diff options
Diffstat (limited to 'arch')
587 files changed, 13589 insertions, 9504 deletions
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig index 84caf50725b..770f717bd25 100644 --- a/arch/alpha/Kconfig +++ b/arch/alpha/Kconfig @@ -41,6 +41,10 @@ config GENERIC_CALIBRATE_DELAY bool default y +config ZONE_DMA + bool + default y + config GENERIC_ISA_DMA bool default y diff --git a/arch/alpha/kernel/pci.c b/arch/alpha/kernel/pci.c index 3c10b9a1ddf..ab642a4f08d 100644 --- a/arch/alpha/kernel/pci.c +++ b/arch/alpha/kernel/pci.c @@ -575,3 +575,7 @@ void pci_iounmap(struct pci_dev *dev, void __iomem * addr) EXPORT_SYMBOL(pci_iomap); EXPORT_SYMBOL(pci_iounmap); + +/* FIXME: Some boxes have multiple ISA bridges! */ +struct pci_dev *isa_bridge; +EXPORT_SYMBOL(isa_bridge); diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c index 1aea7c7c683..d352c2b05f1 100644 --- a/arch/alpha/kernel/setup.c +++ b/arch/alpha/kernel/setup.c @@ -122,7 +122,7 @@ static void get_sysnames(unsigned long, unsigned long, unsigned long, char **, char **); static void determine_cpu_caches (unsigned int); -static char command_line[COMMAND_LINE_SIZE]; +static char __initdata command_line[COMMAND_LINE_SIZE]; /* * The format of "screen_info" is strange, and due to early @@ -547,7 +547,7 @@ setup_arch(char **cmdline_p) } else { strlcpy(command_line, COMMAND_LINE, sizeof command_line); } - strcpy(saved_command_line, command_line); + strcpy(boot_command_line, command_line); *cmdline_p = command_line; /* @@ -589,7 +589,7 @@ setup_arch(char **cmdline_p) } /* Replace the command line, now that we've killed it with strsep. */ - strcpy(command_line, saved_command_line); + strcpy(command_line, boot_command_line); /* If we want SRM console printk echoing early, do it now. */ if (alpha_using_srm && srmcons_output) { diff --git a/arch/alpha/kernel/time.c b/arch/alpha/kernel/time.c index d7053eb4ffc..4748e14a28b 100644 --- a/arch/alpha/kernel/time.c +++ b/arch/alpha/kernel/time.c @@ -91,17 +91,6 @@ static inline __u32 rpcc(void) } /* - * Scheduler clock - returns current time in nanosec units. - * - * Copied from ARM code for expediency... ;-} - */ -unsigned long long sched_clock(void) -{ - return (unsigned long long)jiffies * (1000000000 / HZ); -} - - -/* * timer_interrupt() needs to keep up the real-time clock, * as well as call the "do_timer()" routine every clocktick */ diff --git a/arch/alpha/kernel/vmlinux.lds.S b/arch/alpha/kernel/vmlinux.lds.S index 76bf071e376..4cc44bd33d3 100644 --- a/arch/alpha/kernel/vmlinux.lds.S +++ b/arch/alpha/kernel/vmlinux.lds.S @@ -52,10 +52,12 @@ SECTIONS } __initcall_end = .; +#ifdef CONFIG_BLK_DEV_INITRD . = ALIGN(8192); __initramfs_start = .; .init.ramfs : { *(.init.ramfs) } __initramfs_end = .; +#endif . = ALIGN(8); .con_initcall.init : { diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 6783c2e5512..5c795193ebb 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -9,6 +9,7 @@ config ARM bool default y select RTC_LIB + select SYS_SUPPORTS_APM_EMULATION help The ARM series is a line of low-power-consumption RISC chip designs licensed by ARM Ltd and targeted at embedded applications and @@ -17,6 +18,9 @@ config ARM Europe. There is an ARM Linux project with a web page at <http://www.arm.linux.org.uk/>. +config SYS_SUPPORTS_APM_EMULATION + bool + config GENERIC_TIME bool default n @@ -25,6 +29,10 @@ config MMU bool default y +config NO_IOPORT + bool + default n + config EISA bool ---help--- @@ -96,6 +104,10 @@ config GENERIC_BUST_SPINLOCK config ARCH_MAY_HAVE_PC_FDC bool +config ZONE_DMA + bool + default y + config GENERIC_ISA_DMA bool @@ -290,6 +302,7 @@ config ARCH_RPC select TIMER_ACORN select ARCH_MAY_HAVE_PC_FDC select ISA_DMA_API + select NO_IOPORT help On the Acorn Risc-PC, Linux can support the internal IDE disk and CD-ROM interface, serial and parallel port, and the floppy drive. @@ -856,31 +869,6 @@ menu "Power management options" source "kernel/power/Kconfig" -config APM - tristate "Advanced Power Management Emulation" - ---help--- - APM is a BIOS specification for saving power using several different - techniques. This is mostly useful for battery powered laptops with - APM compliant BIOSes. If you say Y here, the system time will be - reset after a RESUME operation, the /proc/apm device will provide - battery status information, and user-space programs will receive - notification of APM "events" (e.g. battery status change). - - In order to use APM, you will need supporting software. For location - and more information, read <file:Documentation/pm.txt> and the - Battery Powered Linux mini-HOWTO, available from - <http://www.tldp.org/docs.html#howto>. - - This driver does not spin down disk drives (see the hdparm(8) - manpage ("man 8 hdparm") for that), and it doesn't turn off - VESA-compliant "green" monitors. - - Generally, if you don't have a battery in your machine, there isn't - much point in using this driver and you should say N. If you get - random kernel OOPSes or reboots that don't seem to be related to - anything, try disabling/enabling this option (or disabling/enabling - APM in your BIOS). - endmenu source "net/Kconfig" diff --git a/arch/arm/common/rtctime.c b/arch/arm/common/rtctime.c index 4e5445cfb0e..bf1075e1f57 100644 --- a/arch/arm/common/rtctime.c +++ b/arch/arm/common/rtctime.c @@ -329,7 +329,7 @@ static int rtc_fasync(int fd, struct file *file, int on) return fasync_helper(fd, file, on, &rtc_async_queue); } -static struct file_operations rtc_fops = { +static const struct file_operations rtc_fops = { .owner = THIS_MODULE, .llseek = no_llseek, .read = rtc_read, diff --git a/arch/arm/common/sharpsl_pm.c b/arch/arm/common/sharpsl_pm.c index b3599743093..a3b450f8ef1 100644 --- a/arch/arm/common/sharpsl_pm.c +++ b/arch/arm/common/sharpsl_pm.c @@ -27,7 +27,7 @@ #include <asm/hardware.h> #include <asm/mach-types.h> #include <asm/irq.h> -#include <asm/apm.h> +#include <asm/apm-emulation.h> #include <asm/arch/pm.h> #include <asm/arch/pxa-regs.h> #include <asm/arch/sharpsl.h> diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile index ab06a86e85d..1b935fb94b8 100644 --- a/arch/arm/kernel/Makefile +++ b/arch/arm/kernel/Makefile @@ -10,7 +10,6 @@ obj-y := compat.o entry-armv.o entry-common.o irq.o \ process.o ptrace.o semaphore.o setup.o signal.o sys_arm.o \ time.o traps.o -obj-$(CONFIG_APM) += apm.o obj-$(CONFIG_ISA_DMA_API) += dma.o obj-$(CONFIG_ARCH_ACORN) += ecard.o obj-$(CONFIG_FIQ) += fiq.o diff --git a/arch/arm/kernel/apm.c b/arch/arm/kernel/apm.c deleted file mode 100644 index 2c37b70b17a..00000000000 --- a/arch/arm/kernel/apm.c +++ /dev/null @@ -1,672 +0,0 @@ -/* - * bios-less APM driver for ARM Linux - * Jamey Hicks <jamey@crl.dec.com> - * adapted from the APM BIOS driver for Linux by Stephen Rothwell (sfr@linuxcare.com) - * - * APM 1.2 Reference: - * Intel Corporation, Microsoft Corporation. Advanced Power Management - * (APM) BIOS Interface Specification, Revision 1.2, February 1996. - * - * [This document is available from Microsoft at: - * http://www.microsoft.com/hwdev/busbios/amp_12.htm] - */ -#include <linux/module.h> -#include <linux/poll.h> -#include <linux/slab.h> -#include <linux/proc_fs.h> -#include <linux/miscdevice.h> -#include <linux/apm_bios.h> -#include <linux/capability.h> -#include <linux/sched.h> -#include <linux/pm.h> -#include <linux/device.h> -#include <linux/kernel.h> -#include <linux/list.h> -#include <linux/init.h> -#include <linux/completion.h> -#include <linux/kthread.h> -#include <linux/delay.h> - -#include <asm/apm.h> /* apm_power_info */ -#include <asm/system.h> - -/* - * The apm_bios device is one of the misc char devices. - * This is its minor number. - */ -#define APM_MINOR_DEV 134 - -/* - * See Documentation/Config.help for the configuration options. - * - * Various options can be changed at boot time as follows: - * (We allow underscores for compatibility with the modules code) - * apm=on/off enable/disable APM - */ - -/* - * Maximum number of events stored - */ -#define APM_MAX_EVENTS 16 - -struct apm_queue { - unsigned int event_head; - unsigned int event_tail; - apm_event_t events[APM_MAX_EVENTS]; -}; - -/* - * The per-file APM data - */ -struct apm_user { - struct list_head list; - - unsigned int suser: 1; - unsigned int writer: 1; - unsigned int reader: 1; - - int suspend_result; - unsigned int suspend_state; -#define SUSPEND_NONE 0 /* no suspend pending */ -#define SUSPEND_PENDING 1 /* suspend pending read */ -#define SUSPEND_READ 2 /* suspend read, pending ack */ -#define SUSPEND_ACKED 3 /* suspend acked */ -#define SUSPEND_WAIT 4 /* waiting for suspend */ -#define SUSPEND_DONE 5 /* suspend completed */ - - struct apm_queue queue; -}; - -/* - * Local variables - */ -static int suspends_pending; -static int apm_disabled; -static struct task_struct *kapmd_tsk; - -static DECLARE_WAIT_QUEUE_HEAD(apm_waitqueue); -static DECLARE_WAIT_QUEUE_HEAD(apm_suspend_waitqueue); - -/* - * This is a list of everyone who has opened /dev/apm_bios - */ -static DECLARE_RWSEM(user_list_lock); -static LIST_HEAD(apm_user_list); - -/* - * kapmd info. kapmd provides us a process context to handle - * "APM" events within - specifically necessary if we're going - * to be suspending the system. - */ -static DECLARE_WAIT_QUEUE_HEAD(kapmd_wait); -static DEFINE_SPINLOCK(kapmd_queue_lock); -static struct apm_queue kapmd_queue; - -static DEFINE_MUTEX(state_lock); - -static const char driver_version[] = "1.13"; /* no spaces */ - - - -/* - * Compatibility cruft until the IPAQ people move over to the new - * interface. - */ -static void __apm_get_power_status(struct apm_power_info *info) -{ -} - -/* - * This allows machines to provide their own "apm get power status" function. - */ -void (*apm_get_power_status)(struct apm_power_info *) = __apm_get_power_status; -EXPORT_SYMBOL(apm_get_power_status); - - -/* - * APM event queue management. - */ -static inline int queue_empty(struct apm_queue *q) -{ - return q->event_head == q->event_tail; -} - -static inline apm_event_t queue_get_event(struct apm_queue *q) -{ - q->event_tail = (q->event_tail + 1) % APM_MAX_EVENTS; - return q->events[q->event_tail]; -} - -static void queue_add_event(struct apm_queue *q, apm_event_t event) -{ - q->event_head = (q->event_head + 1) % APM_MAX_EVENTS; - if (q->event_head == q->event_tail) { - static int notified; - - if (notified++ == 0) - printk(KERN_ERR "apm: an event queue overflowed\n"); - q->event_tail = (q->event_tail + 1) % APM_MAX_EVENTS; - } - q->events[q->event_head] = event; -} - -static void queue_event(apm_event_t event) -{ - struct apm_user *as; - - down_read(&user_list_lock); - list_for_each_entry(as, &apm_user_list, list) { - if (as->reader) - queue_add_event(&as->queue, event); - } - up_read(&user_list_lock); - wake_up_interruptible(&apm_waitqueue); -} - -/* - * queue_suspend_event - queue an APM suspend event. - * - * Check that we're in a state where we can suspend. If not, - * return -EBUSY. Otherwise, queue an event to all "writer" - * users. If there are no "writer" users, return '1' to - * indicate that we can immediately suspend. - */ -static int queue_suspend_event(apm_event_t event, struct apm_user *sender) -{ - struct apm_user *as; - int ret = 1; - - mutex_lock(&state_lock); - down_read(&user_list_lock); - - /* - * If a thread is still processing, we can't suspend, so reject - * the request. - */ - list_for_each_entry(as, &apm_user_list, list) { - if (as != sender && as->reader && as->writer && as->suser && - as->suspend_state != SUSPEND_NONE) { - ret = -EBUSY; - goto out; - } - } - - list_for_each_entry(as, &apm_user_list, list) { - if (as != sender && as->reader && as->writer && as->suser) { - as->suspend_state = SUSPEND_PENDING; - suspends_pending++; - queue_add_event(&as->queue, event); - ret = 0; - } - } - out: - up_read(&user_list_lock); - mutex_unlock(&state_lock); - wake_up_interruptible(&apm_waitqueue); - return ret; -} - -static void apm_suspend(void) -{ - struct apm_user *as; - int err = pm_suspend(PM_SUSPEND_MEM); - - /* - * Anyone on the APM queues will think we're still suspended. - * Send a message so everyone knows we're now awake again. - */ - queue_event(APM_NORMAL_RESUME); - - /* - * Finally, wake up anyone who is sleeping on the suspend. - */ - mutex_lock(&state_lock); - down_read(&user_list_lock); - list_for_each_entry(as, &apm_user_list, list) { - if (as->suspend_state == SUSPEND_WAIT || - as->suspend_state == SUSPEND_ACKED) { - as->suspend_result = err; - as->suspend_state = SUSPEND_DONE; - } - } - up_read(&user_list_lock); - mutex_unlock(&state_lock); - - wake_up(&apm_suspend_waitqueue); -} - -static ssize_t apm_read(struct file *fp, char __user *buf, size_t count, loff_t *ppos) -{ - struct apm_user *as = fp->private_data; - apm_event_t event; - int i = count, ret = 0; - - if (count < sizeof(apm_event_t)) - return -EINVAL; - - if (queue_empty(&as->queue) && fp->f_flags & O_NONBLOCK) - return -EAGAIN; - - wait_event_interruptible(apm_waitqueue, !queue_empty(&as->queue)); - - while ((i >= sizeof(event)) && !queue_empty(&as->queue)) { - event = queue_get_event(&as->queue); - - ret = -EFAULT; - if (copy_to_user(buf, &event, sizeof(event))) - break; - - mutex_lock(&state_lock); - if (as->suspend_state == SUSPEND_PENDING && - (event == APM_SYS_SUSPEND || event == APM_USER_SUSPEND)) - as->suspend_state = SUSPEND_READ; - mutex_unlock(&state_lock); - - buf += sizeof(event); - i -= sizeof(event); - } - - if (i < count) - ret = count - i; - - return ret; -} - -static unsigned int apm_poll(struct file *fp, poll_table * wait) -{ - struct apm_user *as = fp->private_data; - - poll_wait(fp, &apm_waitqueue, wait); - return queue_empty(&as->queue) ? 0 : POLLIN | POLLRDNORM; -} - -/* - * apm_ioctl - handle APM ioctl - * - * APM_IOC_SUSPEND - * This IOCTL is overloaded, and performs two functions. It is used to: - * - initiate a suspend - * - acknowledge a suspend read from /dev/apm_bios. - * Only when everyone who has opened /dev/apm_bios with write permission - * has acknowledge does the actual suspend happen. - */ -static int -apm_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg) -{ - struct apm_user *as = filp->private_data; - unsigned long flags; - int err = -EINVAL; - - if (!as->suser || !as->writer) - return -EPERM; - - switch (cmd) { - case APM_IOC_SUSPEND: - mutex_lock(&state_lock); - - as->suspend_result = -EINTR; - - if (as->suspend_state == SUSPEND_READ) { - int pending; - - /* - * If we read a suspend command from /dev/apm_bios, - * then the corresponding APM_IOC_SUSPEND ioctl is - * interpreted as an acknowledge. - */ - as->suspend_state = SUSPEND_ACKED; - suspends_pending--; - pending = suspends_pending == 0; - mutex_unlock(&state_lock); - - /* - * If there are no further acknowledges required, - * suspend the system. - */ - if (pending) - apm_suspend(); - - /* - * Wait for the suspend/resume to complete. If there - * are pending acknowledges, we wait here for them. - * - * Note: we need to ensure that the PM subsystem does - * not kick us out of the wait when it suspends the - * threads. - */ - flags = current->flags; - current->flags |= PF_NOFREEZE; - - wait_event(apm_suspend_waitqueue, - as->suspend_state == SUSPEND_DONE); - } else { - as->suspend_state = SUSPEND_WAIT; - mutex_unlock(&state_lock); - - /* - * Otherwise it is a request to suspend the system. - * Queue an event for all readers, and expect an - * acknowledge from all writers who haven't already - * acknowledged. - */ - err = queue_suspend_event(APM_USER_SUSPEND, as); - if (err < 0) { - /* - * Avoid taking the lock here - this - * should be fine. - */ - as->suspend_state = SUSPEND_NONE; - break; - } - - if (err > 0) - apm_suspend(); - - /* - * Wait for the suspend/resume to complete. If there - * are pending acknowledges, we wait here for them. - * - * Note: we need to ensure that the PM subsystem does - * not kick us out of the wait when it suspends the - * threads. - */ - flags = current->flags; - current->flags |= PF_NOFREEZE; - - wait_event_interruptible(apm_suspend_waitqueue, - as->suspend_state == SUSPEND_DONE); - } - - current->flags = flags; - - mutex_lock(&state_lock); - err = as->suspend_result; - as->suspend_state = SUSPEND_NONE; - mutex_unlock(&state_lock); - break; - } - - return err; -} - -static int apm_release(struct inode * inode, struct file * filp) -{ - struct apm_user *as = filp->private_data; - int pending = 0; - - filp->private_data = NULL; - - down_write(&user_list_lock); - list_del(&as->list); - up_write(&user_list_lock); - - /* - * We are now unhooked from the chain. As far as new - * events are concerned, we no longer exist. However, we - * need to balance suspends_pending, which means the - * possibility of sleeping. - */ - mutex_lock(&state_lock); - if (as->suspend_state != SUSPEND_NONE) { - suspends_pending -= 1; - pending = suspends_pending == 0; - } - mutex_unlock(&state_lock); - if (pending) - apm_suspend(); - - kfree(as); - return 0; -} - -static int apm_open(struct inode * inode, struct file * filp) -{ - struct apm_user *as; - - as = kzalloc(sizeof(*as), GFP_KERNEL); - if (as) { - /* - * XXX - this is a tiny bit broken, when we consider BSD - * process accounting. If the device is opened by root, we - * instantly flag that we used superuser privs. Who knows, - * we might close the device immediately without doing a - * privileged operation -- cevans - */ - as->suser = capable(CAP_SYS_ADMIN); - as->writer = (filp->f_mode & FMODE_WRITE) == FMODE_WRITE; - as->reader = (filp->f_mode & FMODE_READ) == FMODE_READ; - - down_write(&user_list_lock); - list_add(&as->list, &apm_user_list); - up_write(&user_list_lock); - - filp->private_data = as; - } - - return as ? 0 : -ENOMEM; -} - -static struct file_operations apm_bios_fops = { - .owner = THIS_MODULE, - .read = apm_read, - .poll = apm_poll, - .ioctl = apm_ioctl, - .open = apm_open, - .release = apm_release, -}; - -static struct miscdevice apm_device = { - .minor = APM_MINOR_DEV, - .name = "apm_bios", - .fops = &apm_bios_fops -}; - - -#ifdef CONFIG_PROC_FS -/* - * Arguments, with symbols from linux/apm_bios.h. - * - * 0) Linux driver version (this will change if format changes) - * 1) APM BIOS Version. Usually 1.0, 1.1 or 1.2. - * 2) APM flags from APM Installation Check (0x00): - * bit 0: APM_16_BIT_SUPPORT - * bit 1: APM_32_BIT_SUPPORT - * bit 2: APM_IDLE_SLOWS_CLOCK - * bit 3: APM_BIOS_DISABLED - * bit 4: APM_BIOS_DISENGAGED - * 3) AC line status - * 0x00: Off-line - * 0x01: On-line - * 0x02: On backup power (BIOS >= 1.1 only) - * 0xff: Unknown - * 4) Battery status - * 0x00: High - * 0x01: Low - * 0x02: Critical - * 0x03: Charging - * 0x04: Selected battery not present (BIOS >= 1.2 only) - * 0xff: Unknown - * 5) Battery flag - * bit 0: High - * bit 1: Low - * bit 2: Critical - * bit 3: Charging - * bit 7: No system battery - * 0xff: Unknown - * 6) Remaining battery life (percentage of charge): - * 0-100: valid - * -1: Unknown - * 7) Remaining battery life (time units): - * Number of remaining minutes or seconds - * -1: Unknown - * 8) min = minutes; sec = seconds - */ -static int apm_get_info(char *buf, char **start, off_t fpos, int length) -{ - struct apm_power_info info; - char *units; - int ret; - - info.ac_line_status = 0xff; - info.battery_status = 0xff; - info.battery_flag = 0xff; - info.battery_life = -1; - info.time = -1; - info.units = -1; - - if (apm_get_power_status) - apm_get_power_status(&info); - - switch (info.units) { - default: units = "?"; break; - case 0: units = "min"; break; - case 1: units = "sec"; break; - } - - ret = sprintf(buf, "%s 1.2 0x%02x 0x%02x 0x%02x 0x%02x %d%% %d %s\n", - driver_version, APM_32_BIT_SUPPORT, - info.ac_line_status, info.battery_status, - info.battery_flag, info.battery_life, - info.time, units); - - return ret; -} -#endif - -static int kapmd(void *arg) -{ - do { - apm_event_t event; - int ret; - - wait_event_interruptible(kapmd_wait, - !queue_empty(&kapmd_queue) || kthread_should_stop()); - - if (kthread_should_stop()) - break; - - spin_lock_irq(&kapmd_queue_lock); - event = 0; - if (!queue_empty(&kapmd_queue)) - event = queue_get_event(&kapmd_queue); - spin_unlock_irq(&kapmd_queue_lock); - - switch (event) { - case 0: - break; - - case APM_LOW_BATTERY: - case APM_POWER_STATUS_CHANGE: - queue_event(event); - break; - - case APM_USER_SUSPEND: - case APM_SYS_SUSPEND: - ret = queue_suspend_event(event, NULL); - if (ret < 0) { - /* - * We were busy. Try again in 50ms. - */ - queue_add_event(&kapmd_queue, event); - msleep(50); - } - if (ret > 0) - apm_suspend(); - break; - - case APM_CRITICAL_SUSPEND: - apm_suspend(); - break; - } - } while (1); - - return 0; -} - -static int __init apm_init(void) -{ - int ret; - - if (apm_disabled) { - printk(KERN_NOTICE "apm: disabled on user request.\n"); - return -ENODEV; - } - - kapmd_tsk = kthread_create(kapmd, NULL, "kapmd"); - if (IS_ERR(kapmd_tsk)) { - ret = PTR_ERR(kapmd_tsk); - kapmd_tsk = NULL; - return ret; - } - kapmd_tsk->flags |= PF_NOFREEZE; - wake_up_process(kapmd_tsk); - -#ifdef CONFIG_PROC_FS - create_proc_info_entry("apm", 0, NULL, apm_get_info); -#endif - - ret = misc_register(&apm_device); - if (ret != 0) { - remove_proc_entry("apm", NULL); - kthread_stop(kapmd_tsk); - } - - return ret; -} - -static void __exit apm_exit(void) -{ - misc_deregister(&apm_device); - remove_proc_entry("apm", NULL); - - kthread_stop(kapmd_tsk); -} - -module_init(apm_init); -module_exit(apm_exit); - -MODULE_AUTHOR("Stephen Rothwell"); -MODULE_DESCRIPTION("Advanced Power Management"); -MODULE_LICENSE("GPL"); - -#ifndef MODULE -static int __init apm_setup(char *str) -{ - while ((str != NULL) && (*str != '\0')) { - if (strncmp(str, "off", 3) == 0) - apm_disabled = 1; - if (strncmp(str, "on", 2) == 0) - apm_disabled = 0; - str = strchr(str, ','); - if (str != NULL) - str += strspn(str, ", \t"); - } - return 1; -} - -__setup("apm=", apm_setup); -#endif - -/** - * apm_queue_event - queue an APM event for kapmd - * @event: APM event - * - * Queue an APM event for kapmd to process and ultimately take the - * appropriate action. Only a subset of events are handled: - * %APM_LOW_BATTERY - * %APM_POWER_STATUS_CHANGE - * %APM_USER_SUSPEND - * %APM_SYS_SUSPEND - * %APM_CRITICAL_SUSPEND - */ -void apm_queue_event(apm_event_t event) -{ - unsigned long flags; - - spin_lock_irqsave(&kapmd_queue_lock, flags); - queue_add_event(&kapmd_queue, event); - spin_unlock_irqrestore(&kapmd_queue_lock, flags); - - wake_up_interruptible(&kapmd_wait); -} -EXPORT_SYMBOL(apm_queue_event); diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index bbab134cd82..ed522151878 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -106,7 +106,7 @@ unsigned long phys_initrd_size __initdata = 0; static struct meminfo meminfo __initdata = { 0, }; static const char *cpu_name; static const char *machine_name; -static char command_line[COMMAND_LINE_SIZE]; +static char __initdata command_line[COMMAND_LINE_SIZE]; static char default_command_line[COMMAND_LINE_SIZE] __initdata = CONFIG_CMDLINE; static union { char c[4]; unsigned long l; } endian_test __initdata = { { 'l', '?', '?', 'b' } }; @@ -803,8 +803,8 @@ void __init setup_arch(char **cmdline_p) init_mm.end_data = (unsigned long) &_edata; init_mm.brk = (unsigned long) &_end; - memcpy(saved_command_line, from, COMMAND_LINE_SIZE); - saved_command_line[COMMAND_LINE_SIZE-1] = '\0'; + memcpy(boot_command_line, from, COMMAND_LINE_SIZE); + boot_command_line[COMMAND_LINE_SIZE-1] = '\0'; parse_cmdline(cmdline_p, from); paging_init(&meminfo, mdesc); request_standard_resources(&meminfo, mdesc); diff --git a/arch/arm/kernel/time.c b/arch/arm/kernel/time.c index 3c8cdcfe8d4..ee47c532e21 100644 --- a/arch/arm/kernel/time.c +++ b/arch/arm/kernel/time.c @@ -78,16 +78,6 @@ static unsigned long dummy_gettimeoffset(void) #endif /* - * Scheduler clock - returns current time in nanosec units. - * This is the default implementation. Sub-architecture - * implementations can override this. - */ -unsigned long long __attribute__((weak)) sched_clock(void) -{ - return (unsigned long long)jiffies * (1000000000 / HZ); -} - -/* * An implementation of printk_clock() independent from * sched_clock(). This avoids non-bootable kernels when * printk_clock is enabled. diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S index a8fa75ea07a..b929a60f754 100644 --- a/arch/arm/kernel/vmlinux.lds.S +++ b/arch/arm/kernel/vmlinux.lds.S @@ -53,10 +53,12 @@ SECTIONS __security_initcall_start = .; *(.security_initcall.init) __security_initcall_end = .; +#ifdef CONFIG_BLK_DEV_INITRD . = ALIGN(32); __initramfs_start = .; usr/built-in.o(.init.ramfs) __initramfs_end = .; +#endif . = ALIGN(64); __per_cpu_start = .; *(.data.percpu) diff --git a/arch/arm/mach-at91rm9200/clock.c b/arch/arm/mach-at91rm9200/clock.c index 4dee21fefe5..36a8e4d1cc6 100644 --- a/arch/arm/mach-at91rm9200/clock.c +++ b/arch/arm/mach-at91rm9200/clock.c @@ -407,7 +407,7 @@ static int at91_clk_open(struct inode *inode, struct file *file) return single_open(file, at91_clk_show, NULL); } -static struct file_operations at91_clk_operations = { +static const struct file_operations at91_clk_operations = { .open = at91_clk_open, .read = seq_read, .llseek = seq_lseek, diff --git a/arch/arm/mach-at91rm9200/gpio.c b/arch/arm/mach-at91rm9200/gpio.c index af22659c8a2..15eb5b6b29f 100644 --- a/arch/arm/mach-at91rm9200/gpio.c +++ b/arch/arm/mach-at91rm9200/gpio.c @@ -65,6 +65,24 @@ static inline unsigned pin_to_mask(unsigned pin) /* + * mux the pin to the "GPIO" peripheral role. + */ +int __init_or_module at91_set_GPIO_periph(unsigned pin, int use_pullup) +{ + void __iomem *pio = pin_to_controller(pin); + unsigned mask = pin_to_mask(pin); + + if (!pio) + return -EINVAL; + __raw_writel(mask, pio + PIO_IDR); + __raw_writel(mask, pio + (use_pullup ? PIO_PUER : PIO_PUDR)); + __raw_writel(mask, pio + PIO_PER); + return 0; +} +EXPORT_SYMBOL(at91_set_GPIO_periph); + + +/* * mux the pin to the "A" internal peripheral role. */ int __init_or_module at91_set_A_periph(unsigned pin, int use_pullup) @@ -181,6 +199,36 @@ EXPORT_SYMBOL(at91_set_multi_drive); /*--------------------------------------------------------------------------*/ +/* new-style GPIO calls; these expect at91_set_GPIO_periph to have been + * called, and maybe at91_set_multi_drive() for putout pins. + */ + +int gpio_direction_input(unsigned pin) +{ + void __iomem *pio = pin_to_controller(pin); + unsigned mask = pin_to_mask(pin); + + if (!pio || !(__raw_readl(pio + PIO_PSR) & mask)) + return -EINVAL; + __raw_writel(mask, pio + PIO_OER); + return 0; +} +EXPORT_SYMBOL(gpio_direction_input); + +int gpio_direction_output(unsigned pin) +{ + void __iomem *pio = pin_to_controller(pin); + unsigned mask = pin_to_mask(pin); + + if (!pio || !(__raw_readl(pio + PIO_PSR) & mask)) + return -EINVAL; + __raw_writel(mask, pio + PIO_OER); + return 0; +} +EXPORT_SYMBOL(gpio_direction_output); + +/*--------------------------------------------------------------------------*/ + /* * assuming the pin is muxed as a gpio output, set its value. */ diff --git a/arch/arm/mach-pxa/corgi_pm.c b/arch/arm/mach-pxa/corgi_pm.c index 4c3de4008a4..165017de8d0 100644 --- a/arch/arm/mach-pxa/corgi_pm.c +++ b/arch/arm/mach-pxa/corgi_pm.c @@ -16,7 +16,7 @@ #include <linux/delay.h> #include <linux/interrupt.h> #include <linux/platform_device.h> -#include <asm/apm.h> +#include <asm/apm-emulation.h> #include <asm/irq.h> #include <asm/mach-types.h> #include <asm/hardware.h> diff --git a/arch/arm/mach-pxa/sharpsl_pm.c b/arch/arm/mach-pxa/sharpsl_pm.c index db6e8f56a75..b1d8cfca245 100644 --- a/arch/arm/mach-pxa/sharpsl_pm.c +++ b/arch/arm/mach-pxa/sharpsl_pm.c @@ -23,7 +23,7 @@ #include <asm/hardware.h> #include <asm/mach-types.h> -#include <asm/apm.h> +#include <asm/apm-emulation.h> #include <asm/arch/pm.h> #include <asm/arch/pxa-regs.h> #include <asm/arch/sharpsl.h> diff --git a/arch/arm/mach-pxa/spitz_pm.c b/arch/arm/mach-pxa/spitz_pm.c index 40be833079c..b97d543d936 100644 --- a/arch/arm/mach-pxa/spitz_pm.c +++ b/arch/arm/mach-pxa/spitz_pm.c @@ -16,7 +16,7 @@ #include <linux/delay.h> #include <linux/interrupt.h> #include <linux/platform_device.h> -#include <asm/apm.h> +#include <asm/apm-emulation.h> #include <asm/irq.h> #include <asm/mach-types.h> #include <asm/hardware.h> diff --git a/arch/arm26/Kconfig b/arch/arm26/Kconfig index 74eba8b5a8c..989113dce41 100644 --- a/arch/arm26/Kconfig +++ b/arch/arm26/Kconfig @@ -60,6 +60,10 @@ config GENERIC_CALIBRATE_DELAY config GENERIC_BUST_SPINLOCK bool +config ZONE_DMA + bool + default y + config GENERIC_ISA_DMA bool diff --git a/arch/arm26/kernel/ecard.c b/arch/arm26/kernel/ecard.c index 9dbc17247c6..e2bcefc91cc 100644 --- a/arch/arm26/kernel/ecard.c +++ b/arch/arm26/kernel/ecard.c @@ -665,7 +665,7 @@ ecard_probe(int slot, card_type_t type) ec->fiqmask = 4; } - for (i = 0; i < sizeof(blacklist) / sizeof(*blacklist); i++) + for (i = 0; i < ARRAY_SIZE(blacklist); i++) if (blacklist[i].manufacturer == ec->cid.manufacturer && blacklist[i].product == ec->cid.product) { ec->card_desc = blacklist[i].type; diff --git a/arch/arm26/kernel/setup.c b/arch/arm26/kernel/setup.c index 466ddb54b44..0e006c6cd5a 100644 --- a/arch/arm26/kernel/setup.c +++ b/arch/arm26/kernel/setup.c @@ -80,7 +80,7 @@ unsigned long phys_initrd_size __initdata = 0; static struct meminfo meminfo __initdata = { 0, }; static struct proc_info_item proc_info; static const char *machine_name; -static char command_line[COMMAND_LINE_SIZE]; +static char __initdata command_line[COMMAND_LINE_SIZE]; static char default_command_line[COMMAND_LINE_SIZE] __initdata = CONFIG_CMDLINE; @@ -492,8 +492,8 @@ void __init setup_arch(char **cmdline_p) init_mm.end_data = (unsigned long) &_edata; init_mm.brk = (unsigned long) &_end; - memcpy(saved_command_line, from, COMMAND_LINE_SIZE); - saved_command_line[COMMAND_LINE_SIZE-1] = '\0'; + memcpy(boot_command_line, from, COMMAND_LINE_SIZE); + boot_command_line[COMMAND_LINE_SIZE-1] = '\0'; parse_cmdline(&meminfo, cmdline_p, from); bootmem_init(&meminfo); paging_init(&meminfo); diff --git a/arch/arm26/kernel/time.c b/arch/arm26/kernel/time.c index 1206469b2b8..0f1d57fbd3d 100644 --- a/arch/arm26/kernel/time.c +++ b/arch/arm26/kernel/time.c @@ -89,14 +89,6 @@ static unsigned long gettimeoffset(void) return (offset + LATCH/2) / LATCH; } -/* - * Scheduler clock - returns current time in nanosec units. - */ -unsigned long long sched_clock(void) -{ - return (unsigned long long)jiffies * (1000000000 / HZ); -} - static unsigned long next_rtc_update; /* diff --git a/arch/arm26/kernel/vmlinux-arm26-xip.lds.in b/arch/arm26/kernel/vmlinux-arm26-xip.lds.in index ca61ec8218f..046a8505401 100644 --- a/arch/arm26/kernel/vmlinux-arm26-xip.lds.in +++ b/arch/arm26/kernel/vmlinux-arm26-xip.lds.in @@ -46,10 +46,12 @@ SECTIONS __con_initcall_start = .; *(.con_initcall.init) __con_initcall_end = .; +#ifdef CONFIG_BLK_DEV_INITRD . = ALIGN(32); __initramfs_start = .; usr/built-in.o(.init.ramfs) __initramfs_end = .; +#endif . = ALIGN(32768); __init_end = .; } diff --git a/arch/arm26/kernel/vmlinux-arm26.lds.in b/arch/arm26/kernel/vmlinux-arm26.lds.in index d1d3418d7eb..1d2949e83be 100644 --- a/arch/arm26/kernel/vmlinux-arm26.lds.in +++ b/arch/arm26/kernel/vmlinux-arm26.lds.in @@ -47,10 +47,12 @@ SECTIONS __con_initcall_start = .; *(.con_initcall.init) __con_initcall_end = .; +#ifdef CONFIG_BLK_DEV_INITRD . = ALIGN(32); __initramfs_start = .; usr/built-in.o(.init.ramfs) __initramfs_end = .; +#endif . = ALIGN(32768); __init_end = .; } diff --git a/arch/avr32/boards/atstk1000/Makefile b/arch/avr32/boards/atstk1000/Makefile index df949948053..8e0992201bb 100644 --- a/arch/avr32/boards/atstk1000/Makefile +++ b/arch/avr32/boards/atstk1000/Makefile @@ -1,2 +1,2 @@ -obj-y += setup.o spi.o flash.o +obj-y += setup.o flash.o obj-$(CONFIG_BOARD_ATSTK1002) += atstk1002.o diff --git a/arch/avr32/boards/atstk1000/atstk1002.c b/arch/avr32/boards/atstk1000/atstk1002.c index 32b361f31c2..d47e39f0e97 100644 --- a/arch/avr32/boards/atstk1000/atstk1002.c +++ b/arch/avr32/boards/atstk1000/atstk1002.c @@ -8,17 +8,24 @@ * published by the Free Software Foundation. */ #include <linux/clk.h> +#include <linux/device.h> #include <linux/etherdevice.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/platform_device.h> #include <linux/string.h> #include <linux/types.h> +#include <linux/spi/spi.h> #include <asm/io.h> #include <asm/setup.h> +#include <asm/arch/at32ap7000.h> #include <asm/arch/board.h> #include <asm/arch/init.h> +#include <asm/arch/portmux.h> + + +#define SW2_DEFAULT /* MMCI and UART_A available */ struct eth_addr { u8 addr[6]; @@ -29,6 +36,16 @@ static struct eth_addr __initdata hw_addr[2]; static struct eth_platform_data __initdata eth_data[2]; extern struct lcdc_platform_data atstk1000_fb0_data; +static struct spi_board_info spi_board_info[] __initdata = { + { + .modalias = "ltv350qv", + .controller_data = (void *)GPIO_PIN_PA(4), + .max_speed_hz = 16000000, + .bus_num = 0, + .chip_select = 1, + }, +}; + /* * The next two functions should go away as the boot loader is * supposed to initialize the macb address registers with a valid @@ -86,23 +103,53 @@ static void __init set_hw_addr(struct platform_device *pdev) void __init setup_board(void) { - at32_map_usart(1, 0); /* /dev/ttyS0 */ - at32_map_usart(2, 1); /* /dev/ttyS1 */ - at32_map_usart(3, 2); /* /dev/ttyS2 */ +#ifdef SW2_DEFAULT + at32_map_usart(1, 0); /* USART 1/A: /dev/ttyS0, DB9 */ +#else + at32_map_usart(0, 1); /* USART 0/B: /dev/ttyS1, IRDA */ +#endif + /* USART 2/unused: expansion connector */ + at32_map_usart(3, 2); /* USART 3/C: /dev/ttyS2, DB9 */ at32_setup_serial_console(0); } static int __init atstk1002_init(void) { + /* + * ATSTK1000 uses 32-bit SDRAM interface. Reserve the + * SDRAM-specific pins so that nobody messes with them. + */ + at32_reserve_pin(GPIO_PIN_PE(0)); /* DATA[16] */ + at32_reserve_pin(GPIO_PIN_PE(1)); /* DATA[17] */ + at32_reserve_pin(GPIO_PIN_PE(2)); /* DATA[18] */ + at32_reserve_pin(GPIO_PIN_PE(3)); /* DATA[19] */ + at32_reserve_pin(GPIO_PIN_PE(4)); /* DATA[20] */ + at32_reserve_pin(GPIO_PIN_PE(5)); /* DATA[21] */ + at32_reserve_pin(GPIO_PIN_PE(6)); /* DATA[22] */ + at32_reserve_pin(GPIO_PIN_PE(7)); /* DATA[23] */ + at32_reserve_pin(GPIO_PIN_PE(8)); /* DATA[24] */ + at32_reserve_pin(GPIO_PIN_PE(9)); /* DATA[25] */ + at32_reserve_pin(GPIO_PIN_PE(10)); /* DATA[26] */ + at32_reserve_pin(GPIO_PIN_PE(11)); /* DATA[27] */ + at32_reserve_pin(GPIO_PIN_PE(12)); /* DATA[28] */ + at32_reserve_pin(GPIO_PIN_PE(13)); /* DATA[29] */ + at32_reserve_pin(GPIO_PIN_PE(14)); /* DATA[30] */ + at32_reserve_pin(GPIO_PIN_PE(15)); /* DATA[31] */ + at32_reserve_pin(GPIO_PIN_PE(26)); /* SDCS */ + at32_add_system_devices(); +#ifdef SW2_DEFAULT at32_add_device_usart(0); +#else at32_add_device_usart(1); +#endif at32_add_device_usart(2); set_hw_addr(at32_add_device_eth(0, ð_data[0])); + spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info)); at32_add_device_spi(0); at32_add_device_lcdc(0, &atstk1000_fb0_data); diff --git a/arch/avr32/boards/atstk1000/spi.c b/arch/avr32/boards/atstk1000/spi.c deleted file mode 100644 index 567726c82c6..00000000000 --- a/arch/avr32/boards/atstk1000/spi.c +++ /dev/null @@ -1,27 +0,0 @@ -/* - * ATSTK1000 SPI devices - * - * Copyright (C) 2005 Atmel Norway - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/device.h> -#include <linux/spi/spi.h> - -static struct spi_board_info spi_board_info[] __initdata = { - { - .modalias = "ltv350qv", - .max_speed_hz = 16000000, - .bus_num = 0, - .chip_select = 1, - }, -}; - -static int board_init_spi(void) -{ - spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info)); - return 0; -} -arch_initcall(board_init_spi); diff --git a/arch/avr32/kernel/cpu.c b/arch/avr32/kernel/cpu.c index 342452ba204..2e72fd2699d 100644 --- a/arch/avr32/kernel/cpu.c +++ b/arch/avr32/kernel/cpu.c @@ -9,6 +9,7 @@ #include <linux/sysdev.h> #include <linux/seq_file.h> #include <linux/cpu.h> +#include <linux/module.h> #include <linux/percpu.h> #include <linux/param.h> #include <linux/errno.h> diff --git a/arch/avr32/kernel/irq.c b/arch/avr32/kernel/irq.c index 856f3548e66..fd311248c14 100644 --- a/arch/avr32/kernel/irq.c +++ b/arch/avr32/kernel/irq.c @@ -57,6 +57,7 @@ int show_interrupts(struct seq_file *p, void *v) seq_printf(p, "%3d: ", i); for_each_online_cpu(cpu) seq_printf(p, "%10u ", kstat_cpu(cpu).irqs[i]); + seq_printf(p, " %8s", irq_desc[i].chip->name ? : "-"); seq_printf(p, " %s", action->name); for (action = action->next; action; action = action->next) seq_printf(p, ", %s", action->name); diff --git a/arch/avr32/kernel/setup.c b/arch/avr32/kernel/setup.c index a3421160100..a1a7c3c3f52 100644 --- a/arch/avr32/kernel/setup.c +++ b/arch/avr32/kernel/setup.c @@ -16,6 +16,7 @@ #include <linux/module.h> #include <linux/root_dev.h> #include <linux/cpu.h> +#include <linux/kernel.h> #include <asm/sections.h> #include <asm/processor.h> @@ -44,7 +45,7 @@ struct avr32_cpuinfo boot_cpu_data = { }; EXPORT_SYMBOL(boot_cpu_data); -static char command_line[COMMAND_LINE_SIZE]; +static char __initdata command_line[COMMAND_LINE_SIZE]; /* * Should be more than enough, but if you have a _really_ complex @@ -174,8 +175,7 @@ static int __init parse_tag_mem_range(struct tag *tag, * Copy the data so the bootmem init code doesn't need to care * about it. */ - if (mem_range_next_free >= - (sizeof(mem_range_cache) / sizeof(mem_range_cache[0]))) + if (mem_range_next_free >= ARRAY_SIZE(mem_range_cache)) panic("Physical memory map too complex!\n"); new = &mem_range_cache[mem_range_next_free++]; @@ -202,7 +202,7 @@ __tagtable(ATAG_MEM, parse_tag_mem); static int __init parse_tag_cmdline(struct tag *tag) { - strlcpy(saved_command_line, tag->u.cmdline.cmdline, COMMAND_LINE_SIZE); + strlcpy(boot_command_line, tag->u.cmdline.cmdline, COMMAND_LINE_SIZE); return 0; } __tagtable(ATAG_CMDLINE, parse_tag_cmdline); @@ -294,7 +294,7 @@ void __init setup_arch (char **cmdline_p) init_mm.end_data = (unsigned long) &_edata; init_mm.brk = (unsigned long) &_end; - strlcpy(command_line, saved_command_line, COMMAND_LINE_SIZE); + strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE); *cmdline_p = command_line; parse_early_param(); diff --git a/arch/avr32/kernel/time.c b/arch/avr32/kernel/time.c index 5a247ba71a7..a2f74affaa9 100644 --- a/arch/avr32/kernel/time.c +++ b/arch/avr32/kernel/time.c @@ -110,15 +110,6 @@ static void avr32_hpt_init(unsigned int count) } /* - * Scheduler clock - returns current time in nanosec units. - */ -unsigned long long sched_clock(void) -{ - /* There must be better ways...? */ - return (unsigned long long)jiffies * (1000000000 / HZ); -} - -/* * local_timer_interrupt() does profiling and process accounting on a * per-CPU basis. * diff --git a/arch/avr32/kernel/vmlinux.lds.c b/arch/avr32/kernel/vmlinux.lds.c index 5c4424e362b..ef13b7c7893 100644 --- a/arch/avr32/kernel/vmlinux.lds.c +++ b/arch/avr32/kernel/vmlinux.lds.c @@ -46,10 +46,12 @@ SECTIONS __security_initcall_start = .; *(.security_initcall.init) __security_initcall_end = .; +#ifdef CONFIG_BLK_DEV_INITRD . = ALIGN(32); __initramfs_start = .; *(.init.ramfs) __initramfs_end = .; +#endif . = ALIGN(4096); __init_end = .; } diff --git a/arch/avr32/lib/libgcc.h b/arch/avr32/lib/libgcc.h deleted file mode 100644 index 5a091b5e361..00000000000 --- a/arch/avr32/lib/libgcc.h +++ /dev/null @@ -1,33 +0,0 @@ -/* Definitions for various functions 'borrowed' from gcc-3.4.3 */ - -#define BITS_PER_UNIT 8 - -typedef int QItype __attribute__ ((mode (QI))); -typedef unsigned int UQItype __attribute__ ((mode (QI))); -typedef int HItype __attribute__ ((mode (HI))); -typedef unsigned int UHItype __attribute__ ((mode (HI))); -typedef int SItype __attribute__ ((mode (SI))); -typedef unsigned int USItype __attribute__ ((mode (SI))); -typedef int DItype __attribute__ ((mode (DI))); -typedef unsigned int UDItype __attribute__ ((mode (DI))); -typedef float SFtype __attribute__ ((mode (SF))); -typedef float DFtype __attribute__ ((mode (DF))); -typedef int word_type __attribute__ ((mode (__word__))); - -#define W_TYPE_SIZE (4 * BITS_PER_UNIT) -#define Wtype SItype -#define UWtype USItype -#define HWtype SItype -#define UHWtype USItype -#define DWtype DItype -#define UDWtype UDItype -#define __NW(a,b) __ ## a ## si ## b -#define __NDW(a,b) __ ## a ## di ## b - -struct DWstruct {Wtype high, low;}; - -typedef union -{ - struct DWstruct s; - DWtype ll; -} DWunion; diff --git a/arch/avr32/lib/longlong.h b/arch/avr32/lib/longlong.h deleted file mode 100644 index cd5e369ac43..00000000000 --- a/arch/avr32/lib/longlong.h +++ /dev/null @@ -1,98 +0,0 @@ -/* longlong.h -- definitions for mixed size 32/64 bit arithmetic. - Copyright (C) 1991, 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2000 - Free Software Foundation, Inc. - - This definition file is free software; you can redistribute it - and/or modify it under the terms of the GNU General Public - License as published by the Free Software Foundation; either - version 2, or (at your option) any later version. - - This definition file is distributed in the hope that it will be - useful, but WITHOUT ANY WARRANTY; without even the implied - warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -/* Borrowed from gcc-3.4.3 */ - -#define __BITS4 (W_TYPE_SIZE / 4) -#define __ll_B ((UWtype) 1 << (W_TYPE_SIZE / 2)) -#define __ll_lowpart(t) ((UWtype) (t) & (__ll_B - 1)) -#define __ll_highpart(t) ((UWtype) (t) >> (W_TYPE_SIZE / 2)) - -#define count_leading_zeros(count, x) ((count) = __builtin_clz(x)) - -#define __udiv_qrnnd_c(q, r, n1, n0, d) \ - do { \ - UWtype __d1, __d0, __q1, __q0; \ - UWtype __r1, __r0, __m; \ - __d1 = __ll_highpart (d); \ - __d0 = __ll_lowpart (d); \ - \ - __r1 = (n1) % __d1; \ - __q1 = (n1) / __d1; \ - __m = (UWtype) __q1 * __d0; \ - __r1 = __r1 * __ll_B | __ll_highpart (n0); \ - if (__r1 < __m) \ - { \ - __q1--, __r1 += (d); \ - if (__r1 >= (d)) /* i.e. we didn't get carry when adding to __r1 */\ - if (__r1 < __m) \ - __q1--, __r1 += (d); \ - } \ - __r1 -= __m; \ - \ - __r0 = __r1 % __d1; \ - __q0 = __r1 / __d1; \ - __m = (UWtype) __q0 * __d0; \ - __r0 = __r0 * __ll_B | __ll_lowpart (n0); \ - if (__r0 < __m) \ - { \ - __q0--, __r0 += (d); \ - if (__r0 >= (d)) \ - if (__r0 < __m) \ - __q0--, __r0 += (d); \ - } \ - __r0 -= __m; \ - \ - (q) = (UWtype) __q1 * __ll_B | __q0; \ - (r) = __r0; \ - } while (0) - -#define udiv_qrnnd __udiv_qrnnd_c - -#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ - do { \ - UWtype __x; \ - __x = (al) - (bl); \ - (sh) = (ah) - (bh) - (__x > (al)); \ - (sl) = __x; \ - } while (0) - -#define umul_ppmm(w1, w0, u, v) \ - do { \ - UWtype __x0, __x1, __x2, __x3; \ - UHWtype __ul, __vl, __uh, __vh; \ - \ - __ul = __ll_lowpart (u); \ - __uh = __ll_highpart (u); \ - __vl = __ll_lowpart (v); \ - __vh = __ll_highpart (v); \ - \ - __x0 = (UWtype) __ul * __vl; \ - __x1 = (UWtype) __ul * __vh; \ - __x2 = (UWtype) __uh * __vl; \ - __x3 = (UWtype) __uh * __vh; \ - \ - __x1 += __ll_highpart (__x0);/* this can't give carry */ \ - __x1 += __x2; /* but this indeed can */ \ - if (__x1 < __x2) /* did we get it? */ \ - __x3 += __ll_B; /* yes, add it in the proper pos. */ \ - \ - (w1) = __x3 + __ll_highpart (__x1); \ - (w0) = __ll_lowpart (__x1) * __ll_B + __ll_lowpart (__x0); \ - } while (0) diff --git a/arch/avr32/mach-at32ap/Makefile b/arch/avr32/mach-at32ap/Makefile index f62eb691551..b21bea9af8b 100644 --- a/arch/avr32/mach-at32ap/Makefile +++ b/arch/avr32/mach-at32ap/Makefile @@ -1,2 +1,2 @@ -obj-y += at32ap.o clock.o pio.o intc.o extint.o hsmc.o +obj-y += at32ap.o clock.o intc.o extint.o pio.o hsmc.o obj-$(CONFIG_CPU_AT32AP7000) += at32ap7000.o diff --git a/arch/avr32/mach-at32ap/at32ap7000.c b/arch/avr32/mach-at32ap/at32ap7000.c index 48f4ef38c70..c1e477ec757 100644 --- a/arch/avr32/mach-at32ap/at32ap7000.c +++ b/arch/avr32/mach-at32ap/at32ap7000.c @@ -496,9 +496,16 @@ static struct resource pio3_resource[] = { DEFINE_DEV(pio, 3); DEV_CLK(mck, pio3, pba, 13); +static struct resource pio4_resource[] = { + PBMEM(0xffe03800), + IRQ(17), +}; +DEFINE_DEV(pio, 4); +DEV_CLK(mck, pio4, pba, 14); + void __init at32_add_system_devices(void) { - system_manager.eim_first_irq = NR_INTERNAL_IRQS; + system_manager.eim_first_irq = EIM_IRQ_BASE; platform_device_register(&at32_sm_device); platform_device_register(&at32_intc0_device); @@ -509,6 +516,7 @@ void __init at32_add_system_devices(void) platform_device_register(&pio1_device); platform_device_register(&pio2_device); platform_device_register(&pio3_device); + platform_device_register(&pio4_device); } /* -------------------------------------------------------------------- @@ -521,7 +529,7 @@ static struct atmel_uart_data atmel_usart0_data = { }; static struct resource atmel_usart0_resource[] = { PBMEM(0xffe00c00), - IRQ(7), + IRQ(6), }; DEFINE_DEV_DATA(atmel_usart, 0); DEV_CLK(usart, atmel_usart0, pba, 4); @@ -583,7 +591,7 @@ static inline void configure_usart3_pins(void) select_peripheral(PB(17), PERIPH_B, 0); /* TXD */ } -static struct platform_device *at32_usarts[4]; +static struct platform_device *__initdata at32_usarts[4]; void __init at32_map_usart(unsigned int hw_id, unsigned int line) { @@ -728,12 +736,19 @@ at32_add_device_eth(unsigned int id, struct eth_platform_data *data) /* -------------------------------------------------------------------- * SPI * -------------------------------------------------------------------- */ -static struct resource spi0_resource[] = { +static struct resource atmel_spi0_resource[] = { PBMEM(0xffe00000), IRQ(3), }; -DEFINE_DEV(spi, 0); -DEV_CLK(mck, spi0, pba, 0); +DEFINE_DEV(atmel_spi, 0); +DEV_CLK(spi_clk, atmel_spi0, pba, 0); + +static struct resource atmel_spi1_resource[] = { + PBMEM(0xffe00400), + IRQ(4), +}; +DEFINE_DEV(atmel_spi, 1); +DEV_CLK(spi_clk, atmel_spi1, pba, 1); struct platform_device *__init at32_add_device_spi(unsigned int id) { @@ -741,13 +756,33 @@ struct platform_device *__init at32_add_device_spi(unsigned int id) switch (id) { case 0: - pdev = &spi0_device; + pdev = &atmel_spi0_device; select_peripheral(PA(0), PERIPH_A, 0); /* MISO */ select_peripheral(PA(1), PERIPH_A, 0); /* MOSI */ select_peripheral(PA(2), PERIPH_A, 0); /* SCK */ - select_peripheral(PA(3), PERIPH_A, 0); /* NPCS0 */ - select_peripheral(PA(4), PERIPH_A, 0); /* NPCS1 */ - select_peripheral(PA(5), PERIPH_A, 0); /* NPCS2 */ + + /* NPCS[2:0] */ + at32_select_gpio(GPIO_PIN_PA(3), + AT32_GPIOF_OUTPUT | AT32_GPIOF_HIGH); + at32_select_gpio(GPIO_PIN_PA(4), + AT32_GPIOF_OUTPUT | AT32_GPIOF_HIGH); + at32_select_gpio(GPIO_PIN_PA(5), + AT32_GPIOF_OUTPUT | AT32_GPIOF_HIGH); + break; + + case 1: + pdev = &atmel_spi1_device; + select_peripheral(PB(0), PERIPH_B, 0); /* MISO */ + select_peripheral(PB(1), PERIPH_B, 0); /* MOSI */ + select_peripheral(PB(5), PERIPH_B, 0); /* SCK */ + + /* NPCS[2:0] */ + at32_select_gpio(GPIO_PIN_PB(2), + AT32_GPIOF_OUTPUT | AT32_GPIOF_HIGH); + at32_select_gpio(GPIO_PIN_PB(3), + AT32_GPIOF_OUTPUT | AT32_GPIOF_HIGH); + at32_select_gpio(GPIO_PIN_PB(4), + AT32_GPIOF_OUTPUT | AT32_GPIOF_HIGH); break; default: @@ -860,6 +895,7 @@ struct clk *at32_clock_list[] = { &pio1_mck, &pio2_mck, &pio3_mck, + &pio4_mck, &atmel_usart0_usart, &atmel_usart1_usart, &atmel_usart2_usart, @@ -868,7 +904,8 @@ struct clk *at32_clock_list[] = { &macb0_pclk, &macb1_hclk, &macb1_pclk, - &spi0_mck, + &atmel_spi0_spi_clk, + &atmel_spi1_spi_clk, &lcdc0_hclk, &lcdc0_pixclk, }; @@ -880,6 +917,7 @@ void __init at32_portmux_init(void) at32_init_pio(&pio1_device); at32_init_pio(&pio2_device); at32_init_pio(&pio3_device); + at32_init_pio(&pio4_device); } void __init at32_clock_init(void) diff --git a/arch/avr32/mach-at32ap/extint.c b/arch/avr32/mach-at32ap/extint.c index b59272e81b9..4a60eccfebd 100644 --- a/arch/avr32/mach-at32ap/extint.c +++ b/arch/avr32/mach-at32ap/extint.c @@ -55,20 +55,11 @@ static int eim_set_irq_type(unsigned int irq, unsigned int flow_type) unsigned long flags; int ret = 0; + flow_type &= IRQ_TYPE_SENSE_MASK; if (flow_type == IRQ_TYPE_NONE) flow_type = IRQ_TYPE_LEVEL_LOW; desc = &irq_desc[irq]; - desc->status &= ~(IRQ_TYPE_SENSE_MASK | IRQ_LEVEL); - desc->status |= flow_type & IRQ_TYPE_SENSE_MASK; - - if (flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH)) { - desc->status |= IRQ_LEVEL; - set_irq_handler(irq, handle_level_irq); - } else { - set_irq_handler(irq, handle_edge_irq); - } - spin_lock_irqsave(&sm->lock, flags); mode = sm_readl(sm, EIM_MODE); @@ -97,9 +88,16 @@ static int eim_set_irq_type(unsigned int irq, unsigned int flow_type) break; } - sm_writel(sm, EIM_MODE, mode); - sm_writel(sm, EIM_EDGE, edge); - sm_writel(sm, EIM_LEVEL, level); + if (ret == 0) { + sm_writel(sm, EIM_MODE, mode); + sm_writel(sm, EIM_EDGE, edge); + sm_writel(sm, EIM_LEVEL, level); + + if (flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH)) + flow_type |= IRQ_LEVEL; + desc->status &= ~(IRQ_TYPE_SENSE_MASK | IRQ_LEVEL); + desc->status |= flow_type; + } spin_unlock_irqrestore(&sm->lock, flags); @@ -122,8 +120,6 @@ static void demux_eim_irq(unsigned int irq, struct irq_desc *desc) unsigned long status, pending; unsigned int i, ext_irq; - spin_lock(&sm->lock); - status = sm_readl(sm, EIM_ISR); pending = status & sm_readl(sm, EIM_IMR); @@ -133,10 +129,11 @@ static void demux_eim_irq(unsigned int irq, struct irq_desc *desc) ext_irq = i + sm->eim_first_irq; ext_desc = irq_desc + ext_irq; - ext_desc->handle_irq(ext_irq, ext_desc); + if (ext_desc->status & IRQ_LEVEL) + handle_level_irq(ext_irq, ext_desc); + else + handle_edge_irq(ext_irq, ext_desc); } - - spin_unlock(&sm->lock); } static int __init eim_init(void) @@ -168,8 +165,9 @@ static int __init eim_init(void) sm->eim_chip = &eim_chip; for (i = 0; i < nr_irqs; i++) { + /* NOTE the handler we set here is ignored by the demux */ set_irq_chip_and_handler(sm->eim_first_irq + i, &eim_chip, - handle_edge_irq); + handle_level_irq); set_irq_chip_data(sm->eim_first_irq + i, sm); } diff --git a/arch/avr32/mach-at32ap/pio.c b/arch/avr32/mach-at32ap/pio.c index f1280ed8ed6..9ba5654cde1 100644 --- a/arch/avr32/mach-at32ap/pio.c +++ b/arch/avr32/mach-at32ap/pio.c @@ -12,7 +12,9 @@ #include <linux/debugfs.h> #include <linux/fs.h> #include <linux/platform_device.h> +#include <linux/irq.h> +#include <asm/gpio.h> #include <asm/io.h> #include <asm/arch/portmux.h> @@ -26,7 +28,8 @@ struct pio_device { const struct platform_device *pdev; struct clk *clk; u32 pinmux_mask; - char name[32]; + u32 gpio_mask; + char name[8]; }; static struct pio_device pio_dev[MAX_NR_PIO_DEVICES]; @@ -76,6 +79,9 @@ void __init at32_select_periph(unsigned int pin, unsigned int periph, if (!(flags & AT32_GPIOF_PULLUP)) pio_writel(pio, PUDR, mask); + /* gpio_request NOT allowed */ + set_bit(pin_index, &pio->gpio_mask); + return; fail: @@ -99,19 +105,52 @@ void __init at32_select_gpio(unsigned int pin, unsigned long flags) goto fail; } - pio_writel(pio, PUER, mask); - if (flags & AT32_GPIOF_HIGH) - pio_writel(pio, SODR, mask); - else - pio_writel(pio, CODR, mask); - if (flags & AT32_GPIOF_OUTPUT) + if (flags & AT32_GPIOF_OUTPUT) { + if (flags & AT32_GPIOF_HIGH) + pio_writel(pio, SODR, mask); + else + pio_writel(pio, CODR, mask); + pio_writel(pio, PUDR, mask); pio_writel(pio, OER, mask); - else + } else { + if (flags & AT32_GPIOF_PULLUP) + pio_writel(pio, PUER, mask); + else + pio_writel(pio, PUDR, mask); + if (flags & AT32_GPIOF_DEGLITCH) + pio_writel(pio, IFER, mask); + else + pio_writel(pio, IFDR, mask); pio_writel(pio, ODR, mask); + } pio_writel(pio, PER, mask); - if (!(flags & AT32_GPIOF_PULLUP)) - pio_writel(pio, PUDR, mask); + + /* gpio_request now allowed */ + clear_bit(pin_index, &pio->gpio_mask); + + return; + +fail: + dump_stack(); +} + +/* Reserve a pin, preventing anyone else from changing its configuration. */ +void __init at32_reserve_pin(unsigned int pin) +{ + struct pio_device *pio; + unsigned int pin_index = pin & 0x1f; + + pio = gpio_to_pio(pin); + if (unlikely(!pio)) { + printk("pio: invalid pin %u\n", pin); + goto fail; + } + + if (unlikely(test_and_set_bit(pin_index, &pio->pinmux_mask))) { + printk("%s: pin %u is busy\n", pio->name, pin_index); + goto fail; + } return; @@ -119,20 +158,197 @@ fail: dump_stack(); } +/*--------------------------------------------------------------------------*/ + +/* GPIO API */ + +int gpio_request(unsigned int gpio, const char *label) +{ + struct pio_device *pio; + unsigned int pin; + + pio = gpio_to_pio(gpio); + if (!pio) + return -ENODEV; + + pin = gpio & 0x1f; + if (test_and_set_bit(pin, &pio->gpio_mask)) + return -EBUSY; + + return 0; +} +EXPORT_SYMBOL(gpio_request); + +void gpio_free(unsigned int gpio) +{ + struct pio_device *pio; + unsigned int pin; + + pio = gpio_to_pio(gpio); + if (!pio) { + printk(KERN_ERR + "gpio: attempted to free invalid pin %u\n", gpio); + return; + } + + pin = gpio & 0x1f; + if (!test_and_clear_bit(pin, &pio->gpio_mask)) + printk(KERN_ERR "gpio: freeing free or non-gpio pin %s-%u\n", + pio->name, pin); +} +EXPORT_SYMBOL(gpio_free); + +int gpio_direction_input(unsigned int gpio) +{ + struct pio_device *pio; + unsigned int pin; + + pio = gpio_to_pio(gpio); + if (!pio) + return -ENODEV; + + pin = gpio & 0x1f; + pio_writel(pio, ODR, 1 << pin); + + return 0; +} +EXPORT_SYMBOL(gpio_direction_input); + +int gpio_direction_output(unsigned int gpio) +{ + struct pio_device *pio; + unsigned int pin; + + pio = gpio_to_pio(gpio); + if (!pio) + return -ENODEV; + + pin = gpio & 0x1f; + pio_writel(pio, OER, 1 << pin); + + return 0; +} +EXPORT_SYMBOL(gpio_direction_output); + +int gpio_get_value(unsigned int gpio) +{ + struct pio_device *pio = &pio_dev[gpio >> 5]; + + return (pio_readl(pio, PDSR) >> (gpio & 0x1f)) & 1; +} +EXPORT_SYMBOL(gpio_get_value); + +void gpio_set_value(unsigned int gpio, int value) +{ + struct pio_device *pio = &pio_dev[gpio >> 5]; + u32 mask; + + mask = 1 << (gpio & 0x1f); + if (value) + pio_writel(pio, SODR, mask); + else + pio_writel(pio, CODR, mask); +} +EXPORT_SYMBOL(gpio_set_value); + +/*--------------------------------------------------------------------------*/ + +/* GPIO IRQ support */ + +static void gpio_irq_mask(unsigned irq) +{ + unsigned gpio = irq_to_gpio(irq); + struct pio_device *pio = &pio_dev[gpio >> 5]; + + pio_writel(pio, IDR, 1 << (gpio & 0x1f)); +} + +static void gpio_irq_unmask(unsigned irq) +{ + unsigned gpio = irq_to_gpio(irq); + struct pio_device *pio = &pio_dev[gpio >> 5]; + + pio_writel(pio, IER, 1 << (gpio & 0x1f)); +} + +static int gpio_irq_type(unsigned irq, unsigned type) +{ + if (type != IRQ_TYPE_EDGE_BOTH && type != IRQ_TYPE_NONE) + return -EINVAL; + + return 0; +} + +static struct irq_chip gpio_irqchip = { + .name = "gpio", + .mask = gpio_irq_mask, + .unmask = gpio_irq_unmask, + .set_type = gpio_irq_type, +}; + +static void gpio_irq_handler(unsigned irq, struct irq_desc *desc) +{ + struct pio_device *pio = get_irq_chip_data(irq); + unsigned gpio_irq; + + gpio_irq = (unsigned) get_irq_data(irq); + for (;;) { + u32 isr; + struct irq_desc *d; + + /* ack pending GPIO interrupts */ + isr = pio_readl(pio, ISR) & pio_readl(pio, IMR); + if (!isr) + break; + do { + int i; + + i = ffs(isr) - 1; + isr &= ~(1 << i); + + i += gpio_irq; + d = &irq_desc[i]; + + d->handle_irq(i, d); + } while (isr); + } +} + +static void __init +gpio_irq_setup(struct pio_device *pio, int irq, int gpio_irq) +{ + unsigned i; + + set_irq_chip_data(irq, pio); + set_irq_data(irq, (void *) gpio_irq); + + for (i = 0; i < 32; i++, gpio_irq++) { + set_irq_chip_data(gpio_irq, pio); + set_irq_chip_and_handler(gpio_irq, &gpio_irqchip, + handle_simple_irq); + } + + set_irq_chained_handler(irq, gpio_irq_handler); +} + +/*--------------------------------------------------------------------------*/ + static int __init pio_probe(struct platform_device *pdev) { struct pio_device *pio = NULL; + int irq = platform_get_irq(pdev, 0); + int gpio_irq_base = GPIO_IRQ_BASE + pdev->id * 32; BUG_ON(pdev->id >= MAX_NR_PIO_DEVICES); pio = &pio_dev[pdev->id]; BUG_ON(!pio->regs); - /* TODO: Interrupts */ + gpio_irq_setup(pio, irq, gpio_irq_base); platform_set_drvdata(pdev, pio); - printk(KERN_INFO "%s: Atmel Port Multiplexer at 0x%p (irq %d)\n", - pio->name, pio->regs, platform_get_irq(pdev, 0)); + printk(KERN_DEBUG "%s: base 0x%p, irq %d chains %d..%d\n", + pio->name, pio->regs, irq, gpio_irq_base, gpio_irq_base + 31); return 0; } @@ -148,7 +364,7 @@ static int __init pio_init(void) { return platform_driver_register(&pio_driver); } -subsys_initcall(pio_init); +postcore_initcall(pio_init); void __init at32_init_pio(struct platform_device *pdev) { @@ -184,6 +400,13 @@ void __init at32_init_pio(struct platform_device *pdev) pio->pdev = pdev; pio->regs = ioremap(regs->start, regs->end - regs->start + 1); - pio_writel(pio, ODR, ~0UL); - pio_writel(pio, PER, ~0UL); + /* + * request_gpio() is only valid for pins that have been + * explicitly configured as GPIO and not previously requested + */ + pio->gpio_mask = ~0UL; + + /* start with irqs disabled and acked */ + pio_writel(pio, IDR, ~0UL); + (void) pio_readl(pio, ISR); } diff --git a/arch/avr32/mm/cache.c b/arch/avr32/mm/cache.c index 450515b245a..fb13f72e9a0 100644 --- a/arch/avr32/mm/cache.c +++ b/arch/avr32/mm/cache.c @@ -22,18 +22,34 @@ void invalidate_dcache_region(void *start, size_t size) { - unsigned long v, begin, end, linesz; + unsigned long v, begin, end, linesz, mask; + int flush = 0; linesz = boot_cpu_data.dcache.linesz; + mask = linesz - 1; + + /* when first and/or last cachelines are shared, flush them + * instead of invalidating ... never discard valid data! + */ + begin = (unsigned long)start; + end = begin + size - 1; + + if (begin & mask) { + flush_dcache_line(start); + begin += linesz; + flush = 1; + } + if ((end & mask) != mask) { + flush_dcache_line((void *)end); + end -= linesz; + flush = 1; + } - //printk("invalidate dcache: %p + %u\n", start, size); - - /* You asked for it, you got it */ - begin = (unsigned long)start & ~(linesz - 1); - end = ((unsigned long)start + size + linesz - 1) & ~(linesz - 1); - - for (v = begin; v < end; v += linesz) + /* remaining cachelines only need invalidation */ + for (v = begin; v <= end; v += linesz) invalidate_dcache_line((void *)v); + if (flush) + flush_write_buffer(); } void clean_dcache_region(void *start, size_t size) diff --git a/arch/avr32/mm/tlb.c b/arch/avr32/mm/tlb.c index 7b073052203..56672018e42 100644 --- a/arch/avr32/mm/tlb.c +++ b/arch/avr32/mm/tlb.c @@ -360,7 +360,7 @@ static int tlb_open(struct inode *inode, struct file *file) return seq_open(file, &tlb_ops); } -static struct file_operations proc_tlb_operations = { +static const struct file_operations proc_tlb_operations = { .open = tlb_open, .read = seq_read, .llseek = seq_lseek, diff --git a/arch/cris/Kconfig b/arch/cris/Kconfig index 3474309e049..4b41248b61a 100644 --- a/arch/cris/Kconfig +++ b/arch/cris/Kconfig @@ -9,6 +9,10 @@ config MMU bool default y +config ZONE_DMA + bool + default y + config RWSEM_GENERIC_SPINLOCK bool default y @@ -40,6 +44,9 @@ config IRQ_PER_CPU bool default y +config NO_IOPORT + def_bool y + config CRIS bool default y diff --git a/arch/cris/arch-v10/drivers/axisflashmap.c b/arch/cris/arch-v10/drivers/axisflashmap.c index ffade19a14e..efd7b0f3a91 100644 --- a/arch/cris/arch-v10/drivers/axisflashmap.c +++ b/arch/cris/arch-v10/drivers/axisflashmap.c @@ -359,8 +359,7 @@ static struct mtd_info *flash_probe(void) * So we use the MTD concatenation layer instead of further * complicating the probing procedure. */ - mtd_cse = mtd_concat_create(mtds, - sizeof(mtds) / sizeof(mtds[0]), + mtd_cse = mtd_concat_create(mtds, ARRAY_SIZE(mtds), "cse0+cse1"); #else printk(KERN_ERR "%s and %s: Cannot concatenate due to kernel " diff --git a/arch/cris/arch-v10/drivers/ds1302.c b/arch/cris/arch-v10/drivers/ds1302.c index 3cf4f23de1d..88eff7f54ea 100644 --- a/arch/cris/arch-v10/drivers/ds1302.c +++ b/arch/cris/arch-v10/drivers/ds1302.c @@ -499,7 +499,7 @@ print_rtc_status(void) /* The various file operations we support. */ -static struct file_operations rtc_fops = { +static const struct file_operations rtc_fops = { .owner = THIS_MODULE, .ioctl = rtc_ioctl, }; diff --git a/arch/cris/arch-v10/drivers/eeprom.c b/arch/cris/arch-v10/drivers/eeprom.c index 284ebfda03f..be35a70798a 100644 --- a/arch/cris/arch-v10/drivers/eeprom.c +++ b/arch/cris/arch-v10/drivers/eeprom.c @@ -172,7 +172,7 @@ static const char eeprom_name[] = "eeprom"; static struct eeprom_type eeprom; /* This is the exported file-operations structure for this device. */ -struct file_operations eeprom_fops = +const struct file_operations eeprom_fops = { .llseek = eeprom_lseek, .read = eeprom_read, diff --git a/arch/cris/arch-v10/drivers/gpio.c b/arch/cris/arch-v10/drivers/gpio.c index 9aba18b931d..f389ed6998f 100644 --- a/arch/cris/arch-v10/drivers/gpio.c +++ b/arch/cris/arch-v10/drivers/gpio.c @@ -838,7 +838,7 @@ gpio_leds_ioctl(unsigned int cmd, unsigned long arg) return 0; } -struct file_operations gpio_fops = { +const struct file_operations gpio_fops = { .owner = THIS_MODULE, .poll = gpio_poll, .ioctl = gpio_ioctl, diff --git a/arch/cris/arch-v10/drivers/i2c.c b/arch/cris/arch-v10/drivers/i2c.c index 092c724a645..aca81ddaf60 100644 --- a/arch/cris/arch-v10/drivers/i2c.c +++ b/arch/cris/arch-v10/drivers/i2c.c @@ -692,7 +692,7 @@ i2c_ioctl(struct inode *inode, struct file *file, return 0; } -static struct file_operations i2c_fops = { +static const struct file_operations i2c_fops = { .owner = THIS_MODULE, .ioctl = i2c_ioctl, .open = i2c_open, diff --git a/arch/cris/arch-v10/drivers/pcf8563.c b/arch/cris/arch-v10/drivers/pcf8563.c index 8c830eefc89..107796e5014 100644 --- a/arch/cris/arch-v10/drivers/pcf8563.c +++ b/arch/cris/arch-v10/drivers/pcf8563.c @@ -56,7 +56,7 @@ static const unsigned char days_in_month[] = int pcf8563_ioctl(struct inode *, struct file *, unsigned int, unsigned long); -static struct file_operations pcf8563_fops = { +static const struct file_operations pcf8563_fops = { .owner = THIS_MODULE, .ioctl = pcf8563_ioctl, }; diff --git a/arch/cris/arch-v10/kernel/time.c b/arch/cris/arch-v10/kernel/time.c index ebacf1457d9..077e973c33f 100644 --- a/arch/cris/arch-v10/kernel/time.c +++ b/arch/cris/arch-v10/kernel/time.c @@ -38,7 +38,6 @@ unsigned long get_ns_in_jiffie(void) unsigned long flags; local_irq_save(flags); - local_irq_disable(); timer_count = *R_TIMER0_DATA; presc_count = *R_TIM_PRESC_STATUS; /* presc_count might be wrapped */ diff --git a/arch/cris/arch-v10/mm/tlb.c b/arch/cris/arch-v10/mm/tlb.c index 70a5523eff7..7d9fec88dee 100644 --- a/arch/cris/arch-v10/mm/tlb.c +++ b/arch/cris/arch-v10/mm/tlb.c @@ -42,8 +42,7 @@ flush_tlb_all(void) * in the same 4-way entry group. details.. */ - local_save_flags(flags); - local_irq_disable(); + local_irq_save(flags); for(i = 0; i < NUM_TLB_ENTRIES; i++) { *R_TLB_SELECT = ( IO_FIELD(R_TLB_SELECT, index, i) ); *R_TLB_HI = ( IO_FIELD(R_TLB_HI, page_id, INVALID_PAGEID ) | @@ -78,8 +77,7 @@ flush_tlb_mm(struct mm_struct *mm) * global pages. is it worth the extra I/O ? */ - local_save_flags(flags); - local_irq_disable(); + local_irq_save(flags); for(i = 0; i < NUM_TLB_ENTRIES; i++) { *R_TLB_SELECT = IO_FIELD(R_TLB_SELECT, index, i); if (IO_EXTRACT(R_TLB_HI, page_id, *R_TLB_HI) == page_id) { @@ -118,8 +116,7 @@ flush_tlb_page(struct vm_area_struct *vma, * and the virtual address requested */ - local_save_flags(flags); - local_irq_disable(); + local_irq_save(flags); for(i = 0; i < NUM_TLB_ENTRIES; i++) { unsigned long tlb_hi; *R_TLB_SELECT = IO_FIELD(R_TLB_SELECT, index, i); diff --git a/arch/cris/arch-v10/vmlinux.lds.S b/arch/cris/arch-v10/vmlinux.lds.S index 689729a7e66..4b348b38cf3 100644 --- a/arch/cris/arch-v10/vmlinux.lds.S +++ b/arch/cris/arch-v10/vmlinux.lds.S @@ -82,7 +82,8 @@ SECTIONS __con_initcall_end = .; } SECURITY_INIT - + +#ifdef CONFIG_BLK_DEV_INITRD .init.ramfs : { __initramfs_start = .; *(.init.ramfs) @@ -93,6 +94,7 @@ SECTIONS FILL (0); . = ALIGN (8192); } +#endif __vmlinux_end = .; /* last address of the physical file */ __init_end = .; diff --git a/arch/cris/arch-v32/drivers/cryptocop.c b/arch/cris/arch-v32/drivers/cryptocop.c index 2449637e6fc..1a071f17446 100644 --- a/arch/cris/arch-v32/drivers/cryptocop.c +++ b/arch/cris/arch-v32/drivers/cryptocop.c @@ -266,7 +266,7 @@ static void print_user_dma_lists(struct cryptocop_dma_list_operation *dma_op); -struct file_operations cryptocop_fops = { +const struct file_operations cryptocop_fops = { owner: THIS_MODULE, open: cryptocop_open, release: cryptocop_release, diff --git a/arch/cris/arch-v32/drivers/gpio.c b/arch/cris/arch-v32/drivers/gpio.c index 08d36f0955c..d82c5c56113 100644 --- a/arch/cris/arch-v32/drivers/gpio.c +++ b/arch/cris/arch-v32/drivers/gpio.c @@ -705,7 +705,7 @@ gpio_leds_ioctl(unsigned int cmd, unsigned long arg) return 0; } -struct file_operations gpio_fops = { +const struct file_operations gpio_fops = { .owner = THIS_MODULE, .poll = gpio_poll, .ioctl = gpio_ioctl, diff --git a/arch/cris/arch-v32/drivers/i2c.c b/arch/cris/arch-v32/drivers/i2c.c index 95f00188c62..5d6c52737df 100644 --- a/arch/cris/arch-v32/drivers/i2c.c +++ b/arch/cris/arch-v32/drivers/i2c.c @@ -573,7 +573,7 @@ i2c_ioctl(struct inode *inode, struct file *file, return 0; } -static struct file_operations i2c_fops = { +static const struct file_operations i2c_fops = { owner: THIS_MODULE, ioctl: i2c_ioctl, open: i2c_open, diff --git a/arch/cris/arch-v32/drivers/pcf8563.c b/arch/cris/arch-v32/drivers/pcf8563.c index 2fc7d75a35d..544ab017941 100644 --- a/arch/cris/arch-v32/drivers/pcf8563.c +++ b/arch/cris/arch-v32/drivers/pcf8563.c @@ -50,7 +50,7 @@ int pcf8563_ioctl(struct inode *, struct file *, unsigned int, unsigned long); int pcf8563_open(struct inode *, struct file *); int pcf8563_release(struct inode *, struct file *); -static struct file_operations pcf8563_fops = { +static const struct file_operations pcf8563_fops = { owner: THIS_MODULE, ioctl: pcf8563_ioctl, open: pcf8563_open, diff --git a/arch/cris/arch-v32/drivers/sync_serial.c b/arch/cris/arch-v32/drivers/sync_serial.c index 424eb0eb1cd..df89298aafc 100644 --- a/arch/cris/arch-v32/drivers/sync_serial.c +++ b/arch/cris/arch-v32/drivers/sync_serial.c @@ -187,7 +187,7 @@ static struct sync_port ports[]= #define NUMBER_OF_PORTS (sizeof(ports)/sizeof(sync_port)) -static struct file_operations sync_serial_fops = { +static const struct file_operations sync_serial_fops = { .owner = THIS_MODULE, .write = sync_serial_write, .read = sync_serial_read, diff --git a/arch/cris/arch-v32/mm/tlb.c b/arch/cris/arch-v32/mm/tlb.c index 9d75d769230..c2d12e9c40d 100644 --- a/arch/cris/arch-v32/mm/tlb.c +++ b/arch/cris/arch-v32/mm/tlb.c @@ -54,8 +54,7 @@ __flush_tlb_all(void) * Mask with 0xf so similar TLB entries aren't written in the same 4-way * entry group. */ - local_save_flags(flags); - local_irq_disable(); + local_irq_save(flags); for (mmu = 1; mmu <= 2; mmu++) { SUPP_BANK_SEL(mmu); /* Select the MMU */ @@ -92,8 +91,7 @@ __flush_tlb_mm(struct mm_struct *mm) return; /* Mark the TLB entries that match the page_id as invalid. */ - local_save_flags(flags); - local_irq_disable(); + local_irq_save(flags); for (mmu = 1; mmu <= 2; mmu++) { SUPP_BANK_SEL(mmu); @@ -140,8 +138,7 @@ __flush_tlb_page(struct vm_area_struct *vma, unsigned long addr) * Invalidate those TLB entries that match both the mm context and the * requested virtual address. */ - local_save_flags(flags); - local_irq_disable(); + local_irq_save(flags); for (mmu = 1; mmu <= 2; mmu++) { SUPP_BANK_SEL(mmu); diff --git a/arch/cris/arch-v32/vmlinux.lds.S b/arch/cris/arch-v32/vmlinux.lds.S index 472d4b3c4cf..e124fcd766d 100644 --- a/arch/cris/arch-v32/vmlinux.lds.S +++ b/arch/cris/arch-v32/vmlinux.lds.S @@ -95,6 +95,7 @@ SECTIONS .data.percpu : { *(.data.percpu) } __per_cpu_end = .; +#ifdef CONFIG_BLK_DEV_INITRD .init.ramfs : { __initramfs_start = .; *(.init.ramfs) @@ -107,6 +108,7 @@ SECTIONS FILL (0); . = ALIGN (8192); } +#endif __vmlinux_end = .; /* Last address of the physical file. */ __init_end = .; diff --git a/arch/cris/kernel/profile.c b/arch/cris/kernel/profile.c index f60ab785f23..4cfcae62050 100644 --- a/arch/cris/kernel/profile.c +++ b/arch/cris/kernel/profile.c @@ -50,7 +50,7 @@ write_cris_profile(struct file *file, const char __user *buf, memset(sample_buffer, 0, SAMPLE_BUFFER_SIZE); } -static struct file_operations cris_proc_profile_operations = { +static const struct file_operations cris_proc_profile_operations = { .read = read_cris_profile, .write = write_cris_profile, }; diff --git a/arch/cris/kernel/setup.c b/arch/cris/kernel/setup.c index ca8b45a0fe2..65466c49d7a 100644 --- a/arch/cris/kernel/setup.c +++ b/arch/cris/kernel/setup.c @@ -29,7 +29,7 @@ struct screen_info screen_info; extern int root_mountflags; extern char _etext, _edata, _end; -char cris_command_line[COMMAND_LINE_SIZE] = { 0, }; +char __initdata cris_command_line[COMMAND_LINE_SIZE] = { 0, }; extern const unsigned long text_start, edata; /* set by the linker script */ extern unsigned long dram_start, dram_end; @@ -153,8 +153,8 @@ setup_arch(char **cmdline_p) #endif /* Save command line for future references. */ - memcpy(saved_command_line, cris_command_line, COMMAND_LINE_SIZE); - saved_command_line[COMMAND_LINE_SIZE - 1] = '\0'; + memcpy(boot_command_line, cris_command_line, COMMAND_LINE_SIZE); + boot_command_line[COMMAND_LINE_SIZE - 1] = '\0'; /* give credit for the CRIS port */ show_etrax_copyright(); diff --git a/arch/cris/kernel/time.c b/arch/cris/kernel/time.c index 0f9213cbd48..acfd0455940 100644 --- a/arch/cris/kernel/time.c +++ b/arch/cris/kernel/time.c @@ -55,7 +55,6 @@ void do_gettimeofday(struct timeval *tv) unsigned long flags; signed long usec, sec; local_irq_save(flags); - local_irq_disable(); usec = do_gettimeoffset(); /* @@ -217,14 +216,6 @@ cris_do_profile(struct pt_regs* regs) #endif } -/* - * Scheduler clock - returns current time in nanosec units. - */ -unsigned long long sched_clock(void) -{ - return (unsigned long long)jiffies * (1000000000 / HZ); -} - static int __init init_udelay(void) { diff --git a/arch/cris/mm/tlb.c b/arch/cris/mm/tlb.c index 0df390a656c..c4a98e2e529 100644 --- a/arch/cris/mm/tlb.c +++ b/arch/cris/mm/tlb.c @@ -8,6 +8,7 @@ */ #include <linux/init.h> +#include <linux/kernel.h> #include <asm/tlb.h> #define D(x) @@ -100,7 +101,7 @@ tlb_init(void) /* clear the page_id map */ - for (i = 1; i < sizeof (page_id_map) / sizeof (page_id_map[0]); i++) + for (i = 1; i < ARRAY_SIZE(page_id_map); i++) page_id_map[i] = NULL; /* invalidate the entire TLB */ diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig index 7561d7b72e7..cea237413aa 100644 --- a/arch/frv/Kconfig +++ b/arch/frv/Kconfig @@ -6,6 +6,10 @@ config FRV bool default y +config ZONE_DMA + bool + default y + config RWSEM_GENERIC_SPINLOCK bool default y diff --git a/arch/frv/kernel/setup.c b/arch/frv/kernel/setup.c index 1a5eb6c301c..8ea3ca2aba6 100644 --- a/arch/frv/kernel/setup.c +++ b/arch/frv/kernel/setup.c @@ -110,7 +110,7 @@ unsigned long __initdata num_mappedpages; struct cpuinfo_frv __nongprelbss boot_cpu_data; -char command_line[COMMAND_LINE_SIZE]; +char __initdata command_line[COMMAND_LINE_SIZE]; char __initdata redboot_command_line[COMMAND_LINE_SIZE]; #ifdef CONFIG_PM @@ -762,7 +762,7 @@ void __init setup_arch(char **cmdline_p) printk("uClinux FR-V port done by Red Hat Inc <dhowells@redhat.com>\n"); #endif - memcpy(saved_command_line, redboot_command_line, COMMAND_LINE_SIZE); + memcpy(boot_command_line, redboot_command_line, COMMAND_LINE_SIZE); determine_cpu(); determine_clocks(1); @@ -803,7 +803,7 @@ void __init setup_arch(char **cmdline_p) #endif /* deal with the command line - RedBoot may have passed one to the kernel */ - memcpy(command_line, saved_command_line, sizeof(command_line)); + memcpy(command_line, boot_command_line, sizeof(command_line)); *cmdline_p = &command_line[0]; parse_cmdline_early(command_line); diff --git a/arch/frv/kernel/vmlinux.lds.S b/arch/frv/kernel/vmlinux.lds.S index 9c1fb12367f..97910e01682 100644 --- a/arch/frv/kernel/vmlinux.lds.S +++ b/arch/frv/kernel/vmlinux.lds.S @@ -61,10 +61,12 @@ SECTIONS .data.percpu : { *(.data.percpu) } __per_cpu_end = .; +#ifdef CONFIG_BLK_DEV_INITRD . = ALIGN(4096); __initramfs_start = .; .init.ramfs : { *(.init.ramfs) } __initramfs_end = .; +#endif . = ALIGN(THREAD_SIZE); __init_end = .; diff --git a/arch/h8300/Kconfig b/arch/h8300/Kconfig index 34a84bc4baf..1734d96422c 100644 --- a/arch/h8300/Kconfig +++ b/arch/h8300/Kconfig @@ -17,6 +17,10 @@ config SWAP bool default n +config ZONE_DMA + bool + default y + config FPU bool default n @@ -53,6 +57,9 @@ config TIME_LOW_RES bool default y +config NO_IOPORT + def_bool y + config ISA bool default y diff --git a/arch/h8300/kernel/Makefile b/arch/h8300/kernel/Makefile index 71b6131e98b..4edbc2ef6ca 100644 --- a/arch/h8300/kernel/Makefile +++ b/arch/h8300/kernel/Makefile @@ -6,6 +6,8 @@ extra-y := vmlinux.lds obj-y := process.o traps.o ptrace.o ints.o \ sys_h8300.o time.o semaphore.o signal.o \ - setup.o gpio.o init_task.o syscalls.o + setup.o gpio.o init_task.o syscalls.o devres.o + +devres-y = ../../../kernel/irq/devres.o obj-$(CONFIG_MODULES) += module.o h8300_ksyms.o diff --git a/arch/h8300/kernel/setup.c b/arch/h8300/kernel/setup.c index 6adf8f41d2a..313cd808104 100644 --- a/arch/h8300/kernel/setup.c +++ b/arch/h8300/kernel/setup.c @@ -54,7 +54,7 @@ unsigned long rom_length; unsigned long memory_start; unsigned long memory_end; -char command_line[COMMAND_LINE_SIZE]; +char __initdata command_line[COMMAND_LINE_SIZE]; extern int _stext, _etext, _sdata, _edata, _sbss, _ebss, _end; extern int _ramstart, _ramend; @@ -154,8 +154,8 @@ void __init setup_arch(char **cmdline_p) #endif /* Keep a copy of command line */ *cmdline_p = &command_line[0]; - memcpy(saved_command_line, command_line, COMMAND_LINE_SIZE); - saved_command_line[COMMAND_LINE_SIZE-1] = 0; + memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE); + boot_command_line[COMMAND_LINE_SIZE-1] = 0; #ifdef DEBUG if (strlen(*cmdline_p)) diff --git a/arch/h8300/kernel/time.c b/arch/h8300/kernel/time.c index 8abab3bc2b6..d1ef615ba89 100644 --- a/arch/h8300/kernel/time.c +++ b/arch/h8300/kernel/time.c @@ -118,9 +118,3 @@ int do_settimeofday(struct timespec *tv) } EXPORT_SYMBOL(do_settimeofday); - -unsigned long long sched_clock(void) -{ - return (unsigned long long)jiffies * (1000000000 / HZ); - -} diff --git a/arch/h8300/kernel/vmlinux.lds.S b/arch/h8300/kernel/vmlinux.lds.S index f05288be887..65f1cdc5ee0 100644 --- a/arch/h8300/kernel/vmlinux.lds.S +++ b/arch/h8300/kernel/vmlinux.lds.S @@ -126,10 +126,12 @@ SECTIONS ___con_initcall_end = .; *(.exit.text) *(.exit.data) +#if defined(CONFIG_BLK_DEV_INITRD) . = ALIGN(4); ___initramfs_start = .; *(.init.ramfs) ___initramfs_end = .; +#endif . = ALIGN(0x4) ; ___init_end = .; __edata = . ; diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig index 0dfee812811..63d5e841caf 100644 --- a/arch/i386/Kconfig +++ b/arch/i386/Kconfig @@ -38,6 +38,10 @@ config MMU bool default y +config ZONE_DMA + bool + default y + config SBUS bool diff --git a/arch/i386/defconfig b/arch/i386/defconfig index 5d80edfc61b..bb0c376b62b 100644 --- a/arch/i386/defconfig +++ b/arch/i386/defconfig @@ -466,7 +466,8 @@ CONFIG_FW_LOADER=y # # Plug and Play support # -# CONFIG_PNP is not set +CONFIG_PNP=y +CONFIG_PNPACPI=y # # Block devices diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c index cbcb2c27f48..e94aff6888c 100644 --- a/arch/i386/kernel/acpi/boot.c +++ b/arch/i386/kernel/acpi/boot.c @@ -66,7 +66,7 @@ static inline int acpi_madt_oem_check(char *oem_id, char *oem_table_id) { return #define BAD_MADT_ENTRY(entry, end) ( \ (!entry) || (unsigned long)entry + sizeof(*entry) > end || \ - ((acpi_table_entry_header *)entry)->length < sizeof(*entry)) + ((struct acpi_subtable_header *)entry)->length < sizeof(*entry)) #define PREFIX "ACPI: " @@ -79,7 +79,7 @@ int acpi_ioapic; int acpi_strict; EXPORT_SYMBOL(acpi_strict); -acpi_interrupt_flags acpi_sci_flags __initdata; +u8 acpi_sci_flags __initdata; int acpi_sci_override_gsi __initdata; int acpi_skip_timer_override __initdata; int acpi_use_timer_override __initdata; @@ -92,11 +92,6 @@ static u64 acpi_lapic_addr __initdata = APIC_DEFAULT_PHYS_BASE; #warning ACPI uses CMPXCHG, i486 and later hardware #endif -#define MAX_MADT_ENTRIES 256 -u8 x86_acpiid_to_apicid[MAX_MADT_ENTRIES] = - {[0 ... MAX_MADT_ENTRIES - 1] = 0xff }; -EXPORT_SYMBOL(x86_acpiid_to_apicid); - /* -------------------------------------------------------------------------- Boot-time Configuration -------------------------------------------------------------------------- */ @@ -166,30 +161,26 @@ char *__acpi_map_table(unsigned long phys, unsigned long size) #ifdef CONFIG_PCI_MMCONFIG /* The physical address of the MMCONFIG aperture. Set from ACPI tables. */ -struct acpi_table_mcfg_config *pci_mmcfg_config; +struct acpi_mcfg_allocation *pci_mmcfg_config; int pci_mmcfg_config_num; -int __init acpi_parse_mcfg(unsigned long phys_addr, unsigned long size) +int __init acpi_parse_mcfg(struct acpi_table_header *header) { struct acpi_table_mcfg *mcfg; unsigned long i; int config_size; - if (!phys_addr || !size) + if (!header) return -EINVAL; - mcfg = (struct acpi_table_mcfg *)__acpi_map_table(phys_addr, size); - if (!mcfg) { - printk(KERN_WARNING PREFIX "Unable to map MCFG\n"); - return -ENODEV; - } + mcfg = (struct acpi_table_mcfg *)header; /* how many config structures do we have */ pci_mmcfg_config_num = 0; - i = size - sizeof(struct acpi_table_mcfg); - while (i >= sizeof(struct acpi_table_mcfg_config)) { + i = header->length - sizeof(struct acpi_table_mcfg); + while (i >= sizeof(struct acpi_mcfg_allocation)) { ++pci_mmcfg_config_num; - i -= sizeof(struct acpi_table_mcfg_config); + i -= sizeof(struct acpi_mcfg_allocation); }; if (pci_mmcfg_config_num == 0) { printk(KERN_ERR PREFIX "MMCONFIG has no entries\n"); @@ -204,9 +195,9 @@ int __init acpi_parse_mcfg(unsigned long phys_addr, unsigned long size) return -ENOMEM; } - memcpy(pci_mmcfg_config, &mcfg->config, config_size); + memcpy(pci_mmcfg_config, &mcfg[1], config_size); for (i = 0; i < pci_mmcfg_config_num; ++i) { - if (mcfg->config[i].base_reserved) { + if (pci_mmcfg_config[i].address > 0xFFFFFFFF) { printk(KERN_ERR PREFIX "MMCONFIG not in low 4GB of memory\n"); kfree(pci_mmcfg_config); @@ -220,24 +211,24 @@ int __init acpi_parse_mcfg(unsigned long phys_addr, unsigned long size) #endif /* CONFIG_PCI_MMCONFIG */ #ifdef CONFIG_X86_LOCAL_APIC -static int __init acpi_parse_madt(unsigned long phys_addr, unsigned long size) +static int __init acpi_parse_madt(struct acpi_table_header *table) { struct acpi_table_madt *madt = NULL; - if (!phys_addr || !size || !cpu_has_apic) + if (!cpu_has_apic) return -EINVAL; - madt = (struct acpi_table_madt *)__acpi_map_table(phys_addr, size); + madt = (struct acpi_table_madt *)table; if (!madt) { printk(KERN_WARNING PREFIX "Unable to map MADT\n"); return -ENODEV; } - if (madt->lapic_address) { - acpi_lapic_addr = (u64) madt->lapic_address; + if (madt->address) { + acpi_lapic_addr = (u64) madt->address; printk(KERN_DEBUG PREFIX "Local APIC address 0x%08x\n", - madt->lapic_address); + madt->address); } acpi_madt_oem_check(madt->header.oem_id, madt->header.oem_table_id); @@ -246,21 +237,17 @@ static int __init acpi_parse_madt(unsigned long phys_addr, unsigned long size) } static int __init -acpi_parse_lapic(acpi_table_entry_header * header, const unsigned long end) +acpi_parse_lapic(struct acpi_subtable_header * header, const unsigned long end) { - struct acpi_table_lapic *processor = NULL; + struct acpi_madt_local_apic *processor = NULL; - processor = (struct acpi_table_lapic *)header; + processor = (struct acpi_madt_local_apic *)header; if (BAD_MADT_ENTRY(processor, end)) return -EINVAL; acpi_table_print_madt_entry(header); - /* Record local apic id only when enabled */ - if (processor->flags.enabled) - x86_acpiid_to_apicid[processor->acpi_id] = processor->id; - /* * We need to register disabled CPU as well to permit * counting disabled CPUs. This allows us to size @@ -269,18 +256,18 @@ acpi_parse_lapic(acpi_table_entry_header * header, const unsigned long end) * when we use CPU hotplug. */ mp_register_lapic(processor->id, /* APIC ID */ - processor->flags.enabled); /* Enabled? */ + processor->lapic_flags & ACPI_MADT_ENABLED); /* Enabled? */ return 0; } static int __init -acpi_parse_lapic_addr_ovr(acpi_table_entry_header * header, +acpi_parse_lapic_addr_ovr(struct acpi_subtable_header * header, const unsigned long end) { - struct acpi_table_lapic_addr_ovr *lapic_addr_ovr = NULL; + struct acpi_madt_local_apic_override *lapic_addr_ovr = NULL; - lapic_addr_ovr = (struct acpi_table_lapic_addr_ovr *)header; + lapic_addr_ovr = (struct acpi_madt_local_apic_override *)header; if (BAD_MADT_ENTRY(lapic_addr_ovr, end)) return -EINVAL; @@ -291,11 +278,11 @@ acpi_parse_lapic_addr_ovr(acpi_table_entry_header * header, } static int __init -acpi_parse_lapic_nmi(acpi_table_entry_header * header, const unsigned long end) +acpi_parse_lapic_nmi(struct acpi_subtable_header * header, const unsigned long end) { - struct acpi_table_lapic_nmi *lapic_nmi = NULL; + struct acpi_madt_local_apic_nmi *lapic_nmi = NULL; - lapic_nmi = (struct acpi_table_lapic_nmi *)header; + lapic_nmi = (struct acpi_madt_local_apic_nmi *)header; if (BAD_MADT_ENTRY(lapic_nmi, end)) return -EINVAL; @@ -313,11 +300,11 @@ acpi_parse_lapic_nmi(acpi_table_entry_header * header, const unsigned long end) #ifdef CONFIG_X86_IO_APIC static int __init -acpi_parse_ioapic(acpi_table_entry_header * header, const unsigned long end) +acpi_parse_ioapic(struct acpi_subtable_header * header, const unsigned long end) { - struct acpi_table_ioapic *ioapic = NULL; + struct acpi_madt_io_apic *ioapic = NULL; - ioapic = (struct acpi_table_ioapic *)header; + ioapic = (struct acpi_madt_io_apic *)header; if (BAD_MADT_ENTRY(ioapic, end)) return -EINVAL; @@ -342,11 +329,11 @@ static void __init acpi_sci_ioapic_setup(u32 gsi, u16 polarity, u16 trigger) polarity = 3; /* Command-line over-ride via acpi_sci= */ - if (acpi_sci_flags.trigger) - trigger = acpi_sci_flags.trigger; + if (acpi_sci_flags & ACPI_MADT_TRIGGER_MASK) + trigger = (acpi_sci_flags & ACPI_MADT_TRIGGER_MASK) >> 2; - if (acpi_sci_flags.polarity) - polarity = acpi_sci_flags.polarity; + if (acpi_sci_flags & ACPI_MADT_POLARITY_MASK) + polarity = acpi_sci_flags & ACPI_MADT_POLARITY_MASK; /* * mp_config_acpi_legacy_irqs() already setup IRQs < 16 @@ -357,51 +344,52 @@ static void __init acpi_sci_ioapic_setup(u32 gsi, u16 polarity, u16 trigger) /* * stash over-ride to indicate we've been here - * and for later update of acpi_fadt + * and for later update of acpi_gbl_FADT */ acpi_sci_override_gsi = gsi; return; } static int __init -acpi_parse_int_src_ovr(acpi_table_entry_header * header, +acpi_parse_int_src_ovr(struct acpi_subtable_header * header, const unsigned long end) { - struct acpi_table_int_src_ovr *intsrc = NULL; + struct acpi_madt_interrupt_override *intsrc = NULL; - intsrc = (struct acpi_table_int_src_ovr *)header; + intsrc = (struct acpi_madt_interrupt_override *)header; if (BAD_MADT_ENTRY(intsrc, end)) return -EINVAL; acpi_table_print_madt_entry(header); - if (intsrc->bus_irq == acpi_fadt.sci_int) { + if (intsrc->source_irq == acpi_gbl_FADT.sci_interrupt) { acpi_sci_ioapic_setup(intsrc->global_irq, - intsrc->flags.polarity, - intsrc->flags.trigger); + intsrc->inti_flags & ACPI_MADT_POLARITY_MASK, + (intsrc->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2); return 0; } if (acpi_skip_timer_override && - intsrc->bus_irq == 0 && intsrc->global_irq == 2) { + intsrc->source_irq == 0 && intsrc->global_irq == 2) { printk(PREFIX "BIOS IRQ0 pin2 override ignored.\n"); return 0; } - mp_override_legacy_irq(intsrc->bus_irq, - intsrc->flags.polarity, - intsrc->flags.trigger, intsrc->global_irq); + mp_override_legacy_irq(intsrc->source_irq, + intsrc->inti_flags & ACPI_MADT_POLARITY_MASK, + (intsrc->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2, + intsrc->global_irq); return 0; } static int __init -acpi_parse_nmi_src(acpi_table_entry_header * header, const unsigned long end) +acpi_parse_nmi_src(struct acpi_subtable_header * header, const unsigned long end) { - struct acpi_table_nmi_src *nmi_src = NULL; + struct acpi_madt_nmi_source *nmi_src = NULL; - nmi_src = (struct acpi_table_nmi_src *)header; + nmi_src = (struct acpi_madt_nmi_source *)header; if (BAD_MADT_ENTRY(nmi_src, end)) return -EINVAL; @@ -417,7 +405,7 @@ acpi_parse_nmi_src(acpi_table_entry_header * header, const unsigned long end) /* * acpi_pic_sci_set_trigger() - * + * * use ELCR to set PIC-mode trigger type for SCI * * If a PIC-mode SCI is not recognized or gives spurious IRQ7's @@ -511,7 +499,7 @@ int acpi_map_lsapic(acpi_handle handle, int *pcpu) { struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; union acpi_object *obj; - struct acpi_table_lapic *lapic; + struct acpi_madt_local_apic *lapic; cpumask_t tmp_map, new_map; u8 physid; int cpu; @@ -529,10 +517,10 @@ int acpi_map_lsapic(acpi_handle handle, int *pcpu) return -EINVAL; } - lapic = (struct acpi_table_lapic *)obj->buffer.pointer; + lapic = (struct acpi_madt_local_apic *)obj->buffer.pointer; - if ((lapic->header.type != ACPI_MADT_LAPIC) || - (!lapic->flags.enabled)) { + if (lapic->header.type != ACPI_MADT_TYPE_LOCAL_APIC || + !(lapic->lapic_flags & ACPI_MADT_ENABLED)) { kfree(buffer.pointer); return -EINVAL; } @@ -544,7 +532,7 @@ int acpi_map_lsapic(acpi_handle handle, int *pcpu) buffer.pointer = NULL; tmp_map = cpu_present_map; - mp_register_lapic(physid, lapic->flags.enabled); + mp_register_lapic(physid, lapic->lapic_flags & ACPI_MADT_ENABLED); /* * If mp_register_lapic successfully generates a new logical cpu @@ -566,14 +554,6 @@ EXPORT_SYMBOL(acpi_map_lsapic); int acpi_unmap_lsapic(int cpu) { - int i; - - for_each_possible_cpu(i) { - if (x86_acpiid_to_apicid[i] == x86_cpu_to_apicid[cpu]) { - x86_acpiid_to_apicid[i] = -1; - break; - } - } x86_cpu_to_apicid[cpu] = -1; cpu_clear(cpu, cpu_present_map); num_processors--; @@ -619,42 +599,36 @@ acpi_scan_rsdp(unsigned long start, unsigned long length) return 0; } -static int __init acpi_parse_sbf(unsigned long phys_addr, unsigned long size) +static int __init acpi_parse_sbf(struct acpi_table_header *table) { - struct acpi_table_sbf *sb; - - if (!phys_addr || !size) - return -EINVAL; + struct acpi_table_boot *sb; - sb = (struct acpi_table_sbf *)__acpi_map_table(phys_addr, size); + sb = (struct acpi_table_boot *)table; if (!sb) { printk(KERN_WARNING PREFIX "Unable to map SBF\n"); return -ENODEV; } - sbf_port = sb->sbf_cmos; /* Save CMOS port */ + sbf_port = sb->cmos_index; /* Save CMOS port */ return 0; } #ifdef CONFIG_HPET_TIMER -static int __init acpi_parse_hpet(unsigned long phys, unsigned long size) +static int __init acpi_parse_hpet(struct acpi_table_header *table) { struct acpi_table_hpet *hpet_tbl; struct resource *hpet_res; resource_size_t res_start; - if (!phys || !size) - return -EINVAL; - - hpet_tbl = (struct acpi_table_hpet *)__acpi_map_table(phys, size); + hpet_tbl = (struct acpi_table_hpet *)table; if (!hpet_tbl) { printk(KERN_WARNING PREFIX "Unable to map HPET\n"); return -ENODEV; } - if (hpet_tbl->addr.space_id != ACPI_SPACE_MEM) { + if (hpet_tbl->address.space_id != ACPI_SPACE_MEM) { printk(KERN_WARNING PREFIX "HPET timers must be located in " "memory.\n"); return -1; @@ -667,29 +641,28 @@ static int __init acpi_parse_hpet(unsigned long phys, unsigned long size) hpet_res->name = (void *)&hpet_res[1]; hpet_res->flags = IORESOURCE_MEM | IORESOURCE_BUSY; snprintf((char *)hpet_res->name, HPET_RESOURCE_NAME_SIZE, - "HPET %u", hpet_tbl->number); + "HPET %u", hpet_tbl->sequence); hpet_res->end = (1 * 1024) - 1; } -#ifdef CONFIG_X86_64 - vxtime.hpet_address = hpet_tbl->addr.addrl | - ((long)hpet_tbl->addr.addrh << 32); +#ifdef CONFIG_X86_64 + vxtime.hpet_address = hpet_tbl->address.address; printk(KERN_INFO PREFIX "HPET id: %#x base: %#lx\n", - hpet_tbl->id, vxtime.hpet_address); + hpet_tbl->id, vxtime.hpet_address); res_start = vxtime.hpet_address; -#else /* X86 */ +#else /* X86 */ { extern unsigned long hpet_address; - hpet_address = hpet_tbl->addr.addrl; + hpet_address = hpet_tbl->address.address; printk(KERN_INFO PREFIX "HPET id: %#x base: %#lx\n", - hpet_tbl->id, hpet_address); + hpet_tbl->id, hpet_address); res_start = hpet_address; } -#endif /* X86 */ +#endif /* X86 */ if (hpet_res) { hpet_res->start = res_start; @@ -707,42 +680,28 @@ static int __init acpi_parse_hpet(unsigned long phys, unsigned long size) extern u32 pmtmr_ioport; #endif -static int __init acpi_parse_fadt(unsigned long phys, unsigned long size) +static int __init acpi_parse_fadt(struct acpi_table_header *table) { - struct fadt_descriptor *fadt = NULL; - - fadt = (struct fadt_descriptor *)__acpi_map_table(phys, size); - if (!fadt) { - printk(KERN_WARNING PREFIX "Unable to map FADT\n"); - return 0; - } - /* initialize sci_int early for INT_SRC_OVR MADT parsing */ - acpi_fadt.sci_int = fadt->sci_int; - - /* initialize rev and apic_phys_dest_mode for x86_64 genapic */ - acpi_fadt.revision = fadt->revision; - acpi_fadt.force_apic_physical_destination_mode = - fadt->force_apic_physical_destination_mode; #ifdef CONFIG_X86_PM_TIMER /* detect the location of the ACPI PM Timer */ - if (fadt->revision >= FADT2_REVISION_ID) { + if (acpi_gbl_FADT.header.revision >= FADT2_REVISION_ID) { /* FADT rev. 2 */ - if (fadt->xpm_tmr_blk.address_space_id != + if (acpi_gbl_FADT.xpm_timer_block.space_id != ACPI_ADR_SPACE_SYSTEM_IO) return 0; - pmtmr_ioport = fadt->xpm_tmr_blk.address; + pmtmr_ioport = acpi_gbl_FADT.xpm_timer_block.address; /* * "X" fields are optional extensions to the original V1.0 * fields, so we must selectively expand V1.0 fields if the * corresponding X field is zero. */ if (!pmtmr_ioport) - pmtmr_ioport = fadt->V1_pm_tmr_blk; + pmtmr_ioport = acpi_gbl_FADT.pm_timer_block; } else { /* FADT rev. 1 */ - pmtmr_ioport = fadt->V1_pm_tmr_blk; + pmtmr_ioport = acpi_gbl_FADT.pm_timer_block; } if (pmtmr_ioport) printk(KERN_INFO PREFIX "PM-Timer IO Port: %#x\n", @@ -784,13 +743,13 @@ static int __init acpi_parse_madt_lapic_entries(void) if (!cpu_has_apic) return -ENODEV; - /* + /* * Note that the LAPIC address is obtained from the MADT (32-bit value) * and (optionally) overriden by a LAPIC_ADDR_OVR entry (64-bit value). */ count = - acpi_table_parse_madt(ACPI_MADT_LAPIC_ADDR_OVR, + acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE, acpi_parse_lapic_addr_ovr, 0); if (count < 0) { printk(KERN_ERR PREFIX @@ -800,7 +759,7 @@ static int __init acpi_parse_madt_lapic_entries(void) mp_register_lapic_address(acpi_lapic_addr); - count = acpi_table_parse_madt(ACPI_MADT_LAPIC, acpi_parse_lapic, + count = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC, acpi_parse_lapic, MAX_APICS); if (!count) { printk(KERN_ERR PREFIX "No LAPIC entries present\n"); @@ -813,7 +772,7 @@ static int __init acpi_parse_madt_lapic_entries(void) } count = - acpi_table_parse_madt(ACPI_MADT_LAPIC_NMI, acpi_parse_lapic_nmi, 0); + acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC_NMI, acpi_parse_lapic_nmi, 0); if (count < 0) { printk(KERN_ERR PREFIX "Error parsing LAPIC NMI entry\n"); /* TBD: Cleanup to allow fallback to MPS */ @@ -842,7 +801,7 @@ static int __init acpi_parse_madt_ioapic_entries(void) return -ENODEV; } - if (!cpu_has_apic) + if (!cpu_has_apic) return -ENODEV; /* @@ -855,7 +814,7 @@ static int __init acpi_parse_madt_ioapic_entries(void) } count = - acpi_table_parse_madt(ACPI_MADT_IOAPIC, acpi_parse_ioapic, + acpi_table_parse_madt(ACPI_MADT_TYPE_IO_APIC, acpi_parse_ioapic, MAX_IO_APICS); if (!count) { printk(KERN_ERR PREFIX "No IOAPIC entries present\n"); @@ -866,7 +825,7 @@ static int __init acpi_parse_madt_ioapic_entries(void) } count = - acpi_table_parse_madt(ACPI_MADT_INT_SRC_OVR, acpi_parse_int_src_ovr, + acpi_table_parse_madt(ACPI_MADT_TYPE_INTERRUPT_OVERRIDE, acpi_parse_int_src_ovr, NR_IRQ_VECTORS); if (count < 0) { printk(KERN_ERR PREFIX @@ -880,13 +839,13 @@ static int __init acpi_parse_madt_ioapic_entries(void) * pretend we got one so we can set the SCI flags. */ if (!acpi_sci_override_gsi) - acpi_sci_ioapic_setup(acpi_fadt.sci_int, 0, 0); + acpi_sci_ioapic_setup(acpi_gbl_FADT.sci_interrupt, 0, 0); /* Fill in identity legacy mapings where no override */ mp_config_acpi_legacy_irqs(); count = - acpi_table_parse_madt(ACPI_MADT_NMI_SRC, acpi_parse_nmi_src, + acpi_table_parse_madt(ACPI_MADT_TYPE_NMI_SOURCE, acpi_parse_nmi_src, NR_IRQ_VECTORS); if (count < 0) { printk(KERN_ERR PREFIX "Error parsing NMI SRC entry\n"); @@ -908,7 +867,7 @@ static void __init acpi_process_madt(void) #ifdef CONFIG_X86_LOCAL_APIC int count, error; - count = acpi_table_parse(ACPI_APIC, acpi_parse_madt); + count = acpi_table_parse(ACPI_SIG_MADT, acpi_parse_madt); if (count >= 1) { /* @@ -1195,7 +1154,7 @@ int __init acpi_boot_table_init(void) if (acpi_disabled && !acpi_ht) return 1; - /* + /* * Initialize the ACPI boot-time table parser. */ error = acpi_table_init(); @@ -1204,7 +1163,7 @@ int __init acpi_boot_table_init(void) return error; } - acpi_table_parse(ACPI_BOOT, acpi_parse_sbf); + acpi_table_parse(ACPI_SIG_BOOT, acpi_parse_sbf); /* * blacklist may disable ACPI entirely @@ -1232,19 +1191,19 @@ int __init acpi_boot_init(void) if (acpi_disabled && !acpi_ht) return 1; - acpi_table_parse(ACPI_BOOT, acpi_parse_sbf); + acpi_table_parse(ACPI_SIG_BOOT, acpi_parse_sbf); /* * set sci_int and PM timer address */ - acpi_table_parse(ACPI_FADT, acpi_parse_fadt); + acpi_table_parse(ACPI_SIG_FADT, acpi_parse_fadt); /* * Process the Multiple APIC Description Table (MADT), if present */ acpi_process_madt(); - acpi_table_parse(ACPI_HPET, acpi_parse_hpet); + acpi_table_parse(ACPI_SIG_HPET, acpi_parse_hpet); return 0; } @@ -1315,13 +1274,17 @@ static int __init setup_acpi_sci(char *s) if (!s) return -EINVAL; if (!strcmp(s, "edge")) - acpi_sci_flags.trigger = 1; + acpi_sci_flags = ACPI_MADT_TRIGGER_EDGE | + (acpi_sci_flags & ~ACPI_MADT_TRIGGER_MASK); else if (!strcmp(s, "level")) - acpi_sci_flags.trigger = 3; + acpi_sci_flags = ACPI_MADT_TRIGGER_LEVEL | + (acpi_sci_flags & ~ACPI_MADT_TRIGGER_MASK); else if (!strcmp(s, "high")) - acpi_sci_flags.polarity = 1; + acpi_sci_flags = ACPI_MADT_POLARITY_ACTIVE_HIGH | + (acpi_sci_flags & ~ACPI_MADT_POLARITY_MASK); else if (!strcmp(s, "low")) - acpi_sci_flags.polarity = 3; + acpi_sci_flags = ACPI_MADT_POLARITY_ACTIVE_LOW | + (acpi_sci_flags & ~ACPI_MADT_POLARITY_MASK); else return -EINVAL; return 0; diff --git a/arch/i386/kernel/acpi/earlyquirk.c b/arch/i386/kernel/acpi/earlyquirk.c index 4b60af7f91d..bf86f7662d8 100644 --- a/arch/i386/kernel/acpi/earlyquirk.c +++ b/arch/i386/kernel/acpi/earlyquirk.c @@ -16,7 +16,7 @@ static int nvidia_hpet_detected __initdata; -static int __init nvidia_hpet_check(unsigned long phys, unsigned long size) +static int __init nvidia_hpet_check(struct acpi_table_header *header) { nvidia_hpet_detected = 1; return 0; @@ -30,7 +30,7 @@ static int __init check_bridge(int vendor, int device) is enabled. */ if (!acpi_use_timer_override && vendor == PCI_VENDOR_ID_NVIDIA) { nvidia_hpet_detected = 0; - acpi_table_parse(ACPI_HPET, nvidia_hpet_check); + acpi_table_parse(ACPI_SIG_HPET, nvidia_hpet_check); if (nvidia_hpet_detected == 0) { acpi_skip_timer_override = 1; printk(KERN_INFO "Nvidia board " diff --git a/arch/i386/kernel/apm.c b/arch/i386/kernel/apm.c index 19901692754..db99a8948da 100644 --- a/arch/i386/kernel/apm.c +++ b/arch/i386/kernel/apm.c @@ -1894,7 +1894,7 @@ static int __init apm_setup(char *str) __setup("apm=", apm_setup); #endif -static struct file_operations apm_bios_fops = { +static const struct file_operations apm_bios_fops = { .owner = THIS_MODULE, .read = do_read, .poll = do_poll, diff --git a/arch/i386/kernel/cpu/cpufreq/longhaul.c b/arch/i386/kernel/cpu/cpufreq/longhaul.c index e940e00b96c..a3db9332d65 100644 --- a/arch/i386/kernel/cpu/cpufreq/longhaul.c +++ b/arch/i386/kernel/cpu/cpufreq/longhaul.c @@ -190,7 +190,7 @@ static void do_powersaver(int cx_address, unsigned int clock_ratio_index) /* Invoke C3 */ inb(cx_address); /* Dummy op - must do something useless after P_LVL3 read */ - t = inl(acpi_fadt.xpm_tmr_blk.address); + t = inl(acpi_gbl_FADT.xpm_timer_block.address); } /* Disable bus ratio bit */ local_irq_disable(); @@ -250,8 +250,7 @@ static void longhaul_setstate(unsigned int clock_ratio_index) outb(3, 0x22); } else if ((pr != NULL) && pr->flags.bm_control) { /* Disable bus master arbitration */ - acpi_set_register(ACPI_BITREG_ARB_DISABLE, 1, - ACPI_MTX_DO_NOT_LOCK); + acpi_set_register(ACPI_BITREG_ARB_DISABLE, 1); } switch (longhaul_version) { @@ -281,8 +280,7 @@ static void longhaul_setstate(unsigned int clock_ratio_index) case TYPE_POWERSAVER: if (longhaul_flags & USE_ACPI_C3) { /* Don't allow wakeup */ - acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 0, - ACPI_MTX_DO_NOT_LOCK); + acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 0); do_powersaver(cx->address, clock_ratio_index); } else { do_powersaver(0, clock_ratio_index); @@ -295,8 +293,7 @@ static void longhaul_setstate(unsigned int clock_ratio_index) outb(0, 0x22); } else if ((pr != NULL) && pr->flags.bm_control) { /* Enable bus master arbitration */ - acpi_set_register(ACPI_BITREG_ARB_DISABLE, 0, - ACPI_MTX_DO_NOT_LOCK); + acpi_set_register(ACPI_BITREG_ARB_DISABLE, 0); } outb(pic2_mask,0xA1); /* restore mask */ outb(pic1_mask,0x21); @@ -414,7 +411,7 @@ static int __init longhaul_get_ranges(void) highest_speed = calc_speed(maxmult); lowest_speed = calc_speed(minmult); dprintk ("FSB:%dMHz Lowest speed: %s Highest speed:%s\n", fsb, - print_speed(lowest_speed/1000), + print_speed(lowest_speed/1000), print_speed(highest_speed/1000)); if (lowest_speed == highest_speed) { @@ -498,7 +495,7 @@ static void __init longhaul_setup_voltagescaling(void) maxvid.mV/1000, maxvid.mV%1000, minvid.mV/1000, minvid.mV%1000, numvscales); - + j = 0; while (longhaul_table[j].frequency != CPUFREQ_TABLE_END) { speed = longhaul_table[j].frequency; diff --git a/arch/i386/kernel/cpu/mtrr/if.c b/arch/i386/kernel/cpu/mtrr/if.c index 5ae1705eafa..ee771f305f9 100644 --- a/arch/i386/kernel/cpu/mtrr/if.c +++ b/arch/i386/kernel/cpu/mtrr/if.c @@ -339,7 +339,7 @@ static int mtrr_open(struct inode *inode, struct file *file) return single_open(file, mtrr_seq_show, NULL); } -static struct file_operations mtrr_fops = { +static const struct file_operations mtrr_fops = { .owner = THIS_MODULE, .open = mtrr_open, .read = seq_read, diff --git a/arch/i386/kernel/cpuid.c b/arch/i386/kernel/cpuid.c index 51130b39cd2..4da75fa3208 100644 --- a/arch/i386/kernel/cpuid.c +++ b/arch/i386/kernel/cpuid.c @@ -148,7 +148,7 @@ static int cpuid_open(struct inode *inode, struct file *file) /* * File operations we support */ -static struct file_operations cpuid_fops = { +static const struct file_operations cpuid_fops = { .owner = THIS_MODULE, .llseek = cpuid_seek, .read = cpuid_read, diff --git a/arch/i386/kernel/head.S b/arch/i386/kernel/head.S index edef5084ce1..cb9abdfced9 100644 --- a/arch/i386/kernel/head.S +++ b/arch/i386/kernel/head.S @@ -103,7 +103,7 @@ ENTRY(startup_32) movzwl OLD_CL_OFFSET,%esi addl $(OLD_CL_BASE_ADDR),%esi 2: - movl $(saved_command_line - __PAGE_OFFSET),%edi + movl $(boot_command_line - __PAGE_OFFSET),%edi movl $(COMMAND_LINE_SIZE/4),%ecx rep movsl diff --git a/arch/i386/kernel/hpet.c b/arch/i386/kernel/hpet.c index 45a8685bb60..0b29d41322a 100644 --- a/arch/i386/kernel/hpet.c +++ b/arch/i386/kernel/hpet.c @@ -12,7 +12,7 @@ /* FSEC = 10^-15 NSEC = 10^-9 */ #define FSEC_PER_NSEC 1000000 -static void *hpet_ptr; +static void __iomem *hpet_ptr; static cycle_t read_hpet(void) { @@ -40,8 +40,7 @@ static int __init init_hpet_clocksource(void) return -ENODEV; /* calculate the hpet address: */ - hpet_base = - (void __iomem*)ioremap_nocache(hpet_address, HPET_MMAP_SIZE); + hpet_base = ioremap_nocache(hpet_address, HPET_MMAP_SIZE); hpet_ptr = hpet_base + HPET_COUNTER; /* calculate the frequency: */ diff --git a/arch/i386/kernel/io_apic.c b/arch/i386/kernel/io_apic.c index 6a3875f81a0..ba8d302a0b7 100644 --- a/arch/i386/kernel/io_apic.c +++ b/arch/i386/kernel/io_apic.c @@ -126,7 +126,7 @@ static inline void io_apic_write(unsigned int apic, unsigned int reg, unsigned i */ static inline void io_apic_modify(unsigned int apic, unsigned int reg, unsigned int value) { - volatile struct io_apic *io_apic = io_apic_base(apic); + volatile struct io_apic __iomem *io_apic = io_apic_base(apic); if (sis_apic_bug) writel(reg, &io_apic->index); writel(value, &io_apic->data); @@ -2606,25 +2606,32 @@ static struct irq_chip msi_chip = { .retrigger = ioapic_retrigger_irq, }; -int arch_setup_msi_irq(unsigned int irq, struct pci_dev *dev) +int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc) { struct msi_msg msg; - int ret; + int irq, ret; + irq = create_irq(); + if (irq < 0) + return irq; + + set_irq_msi(irq, desc); ret = msi_compose_msg(dev, irq, &msg); - if (ret < 0) + if (ret < 0) { + destroy_irq(irq); return ret; + } write_msi_msg(irq, &msg); set_irq_chip_and_handler_name(irq, &msi_chip, handle_edge_irq, "edge"); - return 0; + return irq; } void arch_teardown_msi_irq(unsigned int irq) { - return; + destroy_irq(irq); } #endif /* CONFIG_PCI_MSI */ diff --git a/arch/i386/kernel/microcode.c b/arch/i386/kernel/microcode.c index c8fa13721bc..381252bae3d 100644 --- a/arch/i386/kernel/microcode.c +++ b/arch/i386/kernel/microcode.c @@ -451,7 +451,7 @@ static ssize_t microcode_write (struct file *file, const char __user *buf, size_ return ret; } -static struct file_operations microcode_fops = { +static const struct file_operations microcode_fops = { .owner = THIS_MODULE, .write = microcode_write, .open = microcode_open, diff --git a/arch/i386/kernel/mpparse.c b/arch/i386/kernel/mpparse.c index 49bff3596bf..4f5983c9866 100644 --- a/arch/i386/kernel/mpparse.c +++ b/arch/i386/kernel/mpparse.c @@ -1057,7 +1057,7 @@ int mp_register_gsi(u32 gsi, int triggering, int polarity) static int gsi_to_irq[MAX_GSI_NUM]; /* Don't set up the ACPI SCI because it's already set up */ - if (acpi_fadt.sci_int == gsi) + if (acpi_gbl_FADT.sci_interrupt == gsi) return gsi; ioapic = mp_find_ioapic(gsi); @@ -1114,7 +1114,7 @@ int mp_register_gsi(u32 gsi, int triggering, int polarity) /* * Don't assign IRQ used by ACPI SCI */ - if (gsi == acpi_fadt.sci_int) + if (gsi == acpi_gbl_FADT.sci_interrupt) gsi = pci_irq++; gsi_to_irq[irq] = gsi; } else { diff --git a/arch/i386/kernel/msr.c b/arch/i386/kernel/msr.c index 4a472a17d1c..4e14264f392 100644 --- a/arch/i386/kernel/msr.c +++ b/arch/i386/kernel/msr.c @@ -230,7 +230,7 @@ static int msr_open(struct inode *inode, struct file *file) /* * File operations we support */ -static struct file_operations msr_fops = { +static const struct file_operations msr_fops = { .owner = THIS_MODULE, .llseek = msr_seek, .read = msr_read, diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c index 4b31ad70c1a..4694ac980cd 100644 --- a/arch/i386/kernel/setup.c +++ b/arch/i386/kernel/setup.c @@ -132,7 +132,7 @@ unsigned long saved_videomode; #define RAMDISK_PROMPT_FLAG 0x8000 #define RAMDISK_LOAD_FLAG 0x4000 -static char command_line[COMMAND_LINE_SIZE]; +static char __initdata command_line[COMMAND_LINE_SIZE]; unsigned char __initdata boot_params[PARAM_SIZE]; @@ -576,7 +576,7 @@ void __init setup_arch(char **cmdline_p) print_memory_map("user"); } - strlcpy(command_line, saved_command_line, COMMAND_LINE_SIZE); + strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE); *cmdline_p = command_line; max_low_pfn = setup_memory(); diff --git a/arch/i386/kernel/srat.c b/arch/i386/kernel/srat.c index f7e735c077c..2a8713ec0f9 100644 --- a/arch/i386/kernel/srat.c +++ b/arch/i386/kernel/srat.c @@ -62,19 +62,19 @@ extern void * boot_ioremap(unsigned long, unsigned long); /* Identify CPU proximity domains */ static void __init parse_cpu_affinity_structure(char *p) { - struct acpi_table_processor_affinity *cpu_affinity = - (struct acpi_table_processor_affinity *) p; + struct acpi_srat_cpu_affinity *cpu_affinity = + (struct acpi_srat_cpu_affinity *) p; - if (!cpu_affinity->flags.enabled) + if ((cpu_affinity->flags & ACPI_SRAT_CPU_ENABLED) == 0) return; /* empty entry */ /* mark this node as "seen" in node bitmap */ - BMAP_SET(pxm_bitmap, cpu_affinity->proximity_domain); + BMAP_SET(pxm_bitmap, cpu_affinity->proximity_domain_lo); - apicid_to_pxm[cpu_affinity->apic_id] = cpu_affinity->proximity_domain; + apicid_to_pxm[cpu_affinity->apic_id] = cpu_affinity->proximity_domain_lo; printk("CPU 0x%02X in proximity domain 0x%02X\n", - cpu_affinity->apic_id, cpu_affinity->proximity_domain); + cpu_affinity->apic_id, cpu_affinity->proximity_domain_lo); } /* @@ -84,28 +84,27 @@ static void __init parse_cpu_affinity_structure(char *p) static void __init parse_memory_affinity_structure (char *sratp) { unsigned long long paddr, size; - unsigned long start_pfn, end_pfn; + unsigned long start_pfn, end_pfn; u8 pxm; struct node_memory_chunk_s *p, *q, *pend; - struct acpi_table_memory_affinity *memory_affinity = - (struct acpi_table_memory_affinity *) sratp; + struct acpi_srat_mem_affinity *memory_affinity = + (struct acpi_srat_mem_affinity *) sratp; - if (!memory_affinity->flags.enabled) + if ((memory_affinity->flags & ACPI_SRAT_MEM_ENABLED) == 0) return; /* empty entry */ + pxm = memory_affinity->proximity_domain & 0xff; + /* mark this node as "seen" in node bitmap */ - BMAP_SET(pxm_bitmap, memory_affinity->proximity_domain); + BMAP_SET(pxm_bitmap, pxm); /* calculate info for memory chunk structure */ - paddr = memory_affinity->base_addr_hi; - paddr = (paddr << 32) | memory_affinity->base_addr_lo; - size = memory_affinity->length_hi; - size = (size << 32) | memory_affinity->length_lo; - + paddr = memory_affinity->base_address; + size = memory_affinity->length; + start_pfn = paddr >> PAGE_SHIFT; end_pfn = (paddr + size) >> PAGE_SHIFT; - - pxm = memory_affinity->proximity_domain; + if (num_memory_chunks >= MAXCHUNKS) { printk("Too many mem chunks in SRAT. Ignoring %lld MBytes at %llx\n", @@ -132,8 +131,8 @@ static void __init parse_memory_affinity_structure (char *sratp) printk("Memory range 0x%lX to 0x%lX (type 0x%X) in proximity domain 0x%02X %s\n", start_pfn, end_pfn, memory_affinity->memory_type, - memory_affinity->proximity_domain, - (memory_affinity->flags.hot_pluggable ? + pxm, + ((memory_affinity->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE) ? "enabled and removable" : "enabled" ) ); } @@ -185,10 +184,10 @@ static int __init acpi20_parse_srat(struct acpi_table_srat *sratp) num_memory_chunks = 0; while (p < end) { switch (*p) { - case ACPI_SRAT_PROCESSOR_AFFINITY: + case ACPI_SRAT_TYPE_CPU_AFFINITY: parse_cpu_affinity_structure(p); break; - case ACPI_SRAT_MEMORY_AFFINITY: + case ACPI_SRAT_TYPE_MEMORY_AFFINITY: parse_memory_affinity_structure(p); break; default: @@ -262,31 +261,30 @@ out_fail: return 0; } +struct acpi_static_rsdt { + struct acpi_table_rsdt table; + u32 padding[7]; /* Allow for 7 more table entries */ +}; + int __init get_memcfg_from_srat(void) { struct acpi_table_header *header = NULL; struct acpi_table_rsdp *rsdp = NULL; struct acpi_table_rsdt *rsdt = NULL; - struct acpi_pointer *rsdp_address = NULL; - struct acpi_table_rsdt saved_rsdt; + acpi_native_uint rsdp_address = 0; + struct acpi_static_rsdt saved_rsdt; int tables = 0; int i = 0; - if (ACPI_FAILURE(acpi_find_root_pointer(ACPI_PHYSICAL_ADDRESSING, - rsdp_address))) { + rsdp_address = acpi_find_rsdp(); + if (!rsdp_address) { printk("%s: System description tables not found\n", __FUNCTION__); goto out_err; } - if (rsdp_address->pointer_type == ACPI_PHYSICAL_POINTER) { - printk("%s: assigning address to rsdp\n", __FUNCTION__); - rsdp = (struct acpi_table_rsdp *) - (u32)rsdp_address->pointer.physical; - } else { - printk("%s: rsdp_address is not a physical pointer\n", __FUNCTION__); - goto out_err; - } + printk("%s: assigning address to rsdp\n", __FUNCTION__); + rsdp = (struct acpi_table_rsdp *)(u32)rsdp_address; if (!rsdp) { printk("%s: Didn't find ACPI root!\n", __FUNCTION__); goto out_err; @@ -295,13 +293,13 @@ int __init get_memcfg_from_srat(void) printk(KERN_INFO "%.8s v%d [%.6s]\n", rsdp->signature, rsdp->revision, rsdp->oem_id); - if (strncmp(rsdp->signature, RSDP_SIG,strlen(RSDP_SIG))) { + if (strncmp(rsdp->signature, ACPI_SIG_RSDP,strlen(ACPI_SIG_RSDP))) { printk(KERN_WARNING "%s: RSDP table signature incorrect\n", __FUNCTION__); goto out_err; } rsdt = (struct acpi_table_rsdt *) - boot_ioremap(rsdp->rsdt_address, sizeof(struct acpi_table_rsdt)); + boot_ioremap(rsdp->rsdt_physical_address, sizeof(struct acpi_table_rsdt)); if (!rsdt) { printk(KERN_WARNING @@ -310,9 +308,9 @@ int __init get_memcfg_from_srat(void) goto out_err; } - header = & rsdt->header; + header = &rsdt->header; - if (strncmp(header->signature, RSDT_SIG, strlen(RSDT_SIG))) { + if (strncmp(header->signature, ACPI_SIG_RSDT, strlen(ACPI_SIG_RSDT))) { printk(KERN_WARNING "ACPI: RSDT signature incorrect\n"); goto out_err; } @@ -330,9 +328,9 @@ int __init get_memcfg_from_srat(void) memcpy(&saved_rsdt, rsdt, sizeof(saved_rsdt)); - if (saved_rsdt.header.length > sizeof(saved_rsdt)) { + if (saved_rsdt.table.header.length > sizeof(saved_rsdt)) { printk(KERN_WARNING "ACPI: Too big length in RSDT: %d\n", - saved_rsdt.header.length); + saved_rsdt.table.header.length); goto out_err; } @@ -341,15 +339,15 @@ int __init get_memcfg_from_srat(void) for (i = 0; i < tables; i++) { /* Map in header, then map in full table length. */ header = (struct acpi_table_header *) - boot_ioremap(saved_rsdt.entry[i], sizeof(struct acpi_table_header)); + boot_ioremap(saved_rsdt.table.table_offset_entry[i], sizeof(struct acpi_table_header)); if (!header) break; header = (struct acpi_table_header *) - boot_ioremap(saved_rsdt.entry[i], header->length); + boot_ioremap(saved_rsdt.table.table_offset_entry[i], header->length); if (!header) break; - if (strncmp((char *) &header->signature, "SRAT", 4)) + if (strncmp((char *) &header->signature, ACPI_SIG_SRAT, 4)) continue; /* we've found the srat table. don't need to look at any more tables */ diff --git a/arch/i386/kernel/sysenter.c b/arch/i386/kernel/sysenter.c index 5da744204d1..bc882a2b1db 100644 --- a/arch/i386/kernel/sysenter.c +++ b/arch/i386/kernel/sysenter.c @@ -70,11 +70,12 @@ void enable_sep_cpu(void) */ extern const char vsyscall_int80_start, vsyscall_int80_end; extern const char vsyscall_sysenter_start, vsyscall_sysenter_end; -static void *syscall_page; +static struct page *syscall_pages[1]; int __init sysenter_setup(void) { - syscall_page = (void *)get_zeroed_page(GFP_ATOMIC); + void *syscall_page = (void *)get_zeroed_page(GFP_ATOMIC); + syscall_pages[0] = virt_to_page(syscall_page); #ifdef CONFIG_COMPAT_VDSO __set_fixmap(FIX_VDSO, __pa(syscall_page), PAGE_READONLY); @@ -96,31 +97,12 @@ int __init sysenter_setup(void) } #ifndef CONFIG_COMPAT_VDSO -static struct page *syscall_nopage(struct vm_area_struct *vma, - unsigned long adr, int *type) -{ - struct page *p = virt_to_page(adr - vma->vm_start + syscall_page); - get_page(p); - return p; -} - -/* Prevent VMA merging */ -static void syscall_vma_close(struct vm_area_struct *vma) -{ -} - -static struct vm_operations_struct syscall_vm_ops = { - .close = syscall_vma_close, - .nopage = syscall_nopage, -}; - /* Defined in vsyscall-sysenter.S */ extern void SYSENTER_RETURN; /* Setup a VMA at program startup for the vsyscall page */ int arch_setup_additional_pages(struct linux_binprm *bprm, int exstack) { - struct vm_area_struct *vma; struct mm_struct *mm = current->mm; unsigned long addr; int ret; @@ -132,38 +114,25 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int exstack) goto up_fail; } - vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); - if (!vma) { - ret = -ENOMEM; - goto up_fail; - } - - vma->vm_start = addr; - vma->vm_end = addr + PAGE_SIZE; - /* MAYWRITE to allow gdb to COW and set breakpoints */ - vma->vm_flags = VM_READ|VM_EXEC|VM_MAYREAD|VM_MAYEXEC|VM_MAYWRITE; /* + * MAYWRITE to allow gdb to COW and set breakpoints + * * Make sure the vDSO gets into every core dump. * Dumping its contents makes post-mortem fully interpretable later * without matching up the same kernel and hardware config to see * what PC values meant. */ - vma->vm_flags |= VM_ALWAYSDUMP; - vma->vm_flags |= mm->def_flags; - vma->vm_page_prot = protection_map[vma->vm_flags & 7]; - vma->vm_ops = &syscall_vm_ops; - vma->vm_mm = mm; - - ret = insert_vm_struct(mm, vma); - if (unlikely(ret)) { - kmem_cache_free(vm_area_cachep, vma); + ret = install_special_mapping(mm, addr, PAGE_SIZE, + VM_READ|VM_EXEC| + VM_MAYREAD|VM_MAYWRITE|VM_MAYEXEC| + VM_ALWAYSDUMP, + syscall_pages); + if (ret) goto up_fail; - } current->mm->context.vdso = (void *)addr; current_thread_info()->sysenter_return = (void *)VDSO_SYM(&SYSENTER_RETURN); - mm->total_vm++; up_fail: up_write(&mm->mmap_sem); return ret; diff --git a/arch/i386/kernel/vmlinux.lds.S b/arch/i386/kernel/vmlinux.lds.S index a53c8b1854b..5038a73d554 100644 --- a/arch/i386/kernel/vmlinux.lds.S +++ b/arch/i386/kernel/vmlinux.lds.S @@ -181,12 +181,14 @@ SECTIONS from .altinstructions and .eh_frame */ .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { *(.exit.text) } .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { *(.exit.data) } +#if defined(CONFIG_BLK_DEV_INITRD) . = ALIGN(4096); .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) { __initramfs_start = .; *(.init.ramfs) __initramfs_end = .; } +#endif . = ALIGN(L1_CACHE_BYTES); .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) { __per_cpu_start = .; diff --git a/arch/i386/mach-es7000/es7000.h b/arch/i386/mach-es7000/es7000.h index 80566ca4a80..c8d5aa132fa 100644 --- a/arch/i386/mach-es7000/es7000.h +++ b/arch/i386/mach-es7000/es7000.h @@ -84,15 +84,6 @@ struct es7000_oem_table { }; #ifdef CONFIG_ACPI -struct acpi_table_sdt { - unsigned long pa; - unsigned long count; - struct { - unsigned long pa; - enum acpi_table_id id; - unsigned long size; - } entry[50]; -}; struct oem_table { struct acpi_table_header Header; diff --git a/arch/i386/mach-es7000/es7000plat.c b/arch/i386/mach-es7000/es7000plat.c index 3d0fc853516..9be6ceabf04 100644 --- a/arch/i386/mach-es7000/es7000plat.c +++ b/arch/i386/mach-es7000/es7000plat.c @@ -160,51 +160,14 @@ parse_unisys_oem (char *oemptr) int __init find_unisys_acpi_oem_table(unsigned long *oem_addr) { - struct acpi_table_rsdp *rsdp = NULL; - unsigned long rsdp_phys = 0; - struct acpi_table_header *header = NULL; - int i; - struct acpi_table_sdt sdt; - - rsdp_phys = acpi_find_rsdp(); - rsdp = __va(rsdp_phys); - if (rsdp->rsdt_address) { - struct acpi_table_rsdt *mapped_rsdt = NULL; - sdt.pa = rsdp->rsdt_address; - - header = (struct acpi_table_header *) - __acpi_map_table(sdt.pa, sizeof(struct acpi_table_header)); - if (!header) - return -ENODEV; - - sdt.count = (header->length - sizeof(struct acpi_table_header)) >> 3; - mapped_rsdt = (struct acpi_table_rsdt *) - __acpi_map_table(sdt.pa, header->length); - if (!mapped_rsdt) - return -ENODEV; - - header = &mapped_rsdt->header; - - for (i = 0; i < sdt.count; i++) - sdt.entry[i].pa = (unsigned long) mapped_rsdt->entry[i]; - }; - for (i = 0; i < sdt.count; i++) { - - header = (struct acpi_table_header *) - __acpi_map_table(sdt.entry[i].pa, - sizeof(struct acpi_table_header)); - if (!header) - continue; - if (!strncmp((char *) &header->signature, "OEM1", 4)) { - if (!strncmp((char *) &header->oem_id, "UNISYS", 6)) { - void *addr; - struct oem_table *t; - acpi_table_print(header, sdt.entry[i].pa); - t = (struct oem_table *) __acpi_map_table(sdt.entry[i].pa, header->length); - addr = (void *) __acpi_map_table(t->OEMTableAddr, t->OEMTableSize); - *oem_addr = (unsigned long) addr; - return 0; - } + struct acpi_table_header *header = NULL; + int i = 0; + while (ACPI_SUCCESS(acpi_get_table("OEM1", i++, &header))) { + if (!memcmp((char *) &header->oem_id, "UNISYS", 6)) { + struct oem_table *t = (struct oem_table *)header; + *oem_addr = (unsigned long)__acpi_map_table(t->OEMTableAddr, + t->OEMTableSize); + return 0; } } return -1; diff --git a/arch/i386/mm/fault.c b/arch/i386/mm/fault.c index aaaa4d225f7..cba9b3894a3 100644 --- a/arch/i386/mm/fault.c +++ b/arch/i386/mm/fault.c @@ -60,32 +60,6 @@ static inline int notify_page_fault(enum die_val val, const char *str, } /* - * Unlock any spinlocks which will prevent us from getting the - * message out - */ -void bust_spinlocks(int yes) -{ - int loglevel_save = console_loglevel; - - if (yes) { - oops_in_progress = 1; - return; - } -#ifdef CONFIG_VT - unblank_screen(); -#endif - oops_in_progress = 0; - /* - * OK, the message is on the console. Now we call printk() - * without oops_in_progress set so that printk will give klogd - * a poke. Hold onto your hats... - */ - console_loglevel = 15; /* NMI oopser may have shut the console up */ - printk(" "); - console_loglevel = loglevel_save; -} - -/* * Return EIP plus the CS segment base. The segment limit is also * adjusted, clamped to the kernel/user address space (whichever is * appropriate), and returned in *eip_limit. diff --git a/arch/i386/mm/highmem.c b/arch/i386/mm/highmem.c index e0fa6cb655a..bb2de1089ad 100644 --- a/arch/i386/mm/highmem.c +++ b/arch/i386/mm/highmem.c @@ -33,13 +33,14 @@ void *kmap_atomic(struct page *page, enum km_type type) /* even !CONFIG_PREEMPT needs this, for in_atomic in do_page_fault */ pagefault_disable(); + + idx = type + KM_TYPE_NR*smp_processor_id(); + BUG_ON(!pte_none(*(kmap_pte-idx))); + if (!PageHighMem(page)) return page_address(page); - idx = type + KM_TYPE_NR*smp_processor_id(); vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx); - if (!pte_none(*(kmap_pte-idx))) - BUG(); set_pte(kmap_pte-idx, mk_pte(page, kmap_prot)); return (void*) vaddr; diff --git a/arch/i386/mm/pageattr.c b/arch/i386/mm/pageattr.c index ad91528bdc1..e223b1d4981 100644 --- a/arch/i386/mm/pageattr.c +++ b/arch/i386/mm/pageattr.c @@ -224,7 +224,7 @@ void global_flush_tlb(void) list_replace_init(&df_list, &l); spin_unlock_irq(&cpa_lock); if (!cpu_has_clflush) - flush_map(0); + flush_map(NULL); list_for_each_entry_safe(pg, next, &l, lru) { if (cpu_has_clflush) flush_map(page_address(pg)); diff --git a/arch/i386/pci/mmconfig.c b/arch/i386/pci/mmconfig.c index e2616a266e1..5700220dcf5 100644 --- a/arch/i386/pci/mmconfig.c +++ b/arch/i386/pci/mmconfig.c @@ -36,7 +36,7 @@ static DECLARE_BITMAP(fallback_slots, MAX_CHECK_BUS*32); static u32 get_base_addr(unsigned int seg, int bus, unsigned devfn) { int cfg_num = -1; - struct acpi_table_mcfg_config *cfg; + struct acpi_mcfg_allocation *cfg; if (seg == 0 && bus < MAX_CHECK_BUS && test_bit(PCI_SLOT(devfn) + 32*bus, fallback_slots)) @@ -48,11 +48,11 @@ static u32 get_base_addr(unsigned int seg, int bus, unsigned devfn) break; } cfg = &pci_mmcfg_config[cfg_num]; - if (cfg->pci_segment_group_number != seg) + if (cfg->pci_segment != seg) continue; if ((cfg->start_bus_number <= bus) && (cfg->end_bus_number >= bus)) - return cfg->base_address; + return cfg->address; } /* Handle more broken MCFG tables on Asus etc. @@ -60,9 +60,9 @@ static u32 get_base_addr(unsigned int seg, int bus, unsigned devfn) this applies to all busses. */ cfg = &pci_mmcfg_config[0]; if (pci_mmcfg_config_num == 1 && - cfg->pci_segment_group_number == 0 && + cfg->pci_segment == 0 && (cfg->start_bus_number | cfg->end_bus_number) == 0) - return cfg->base_address; + return cfg->address; /* Fall back to type 0 */ return 0; @@ -125,7 +125,7 @@ static int pci_mmcfg_write(unsigned int seg, unsigned int bus, unsigned long flags; u32 base; - if ((bus > 255) || (devfn > 255) || (reg > 4095)) + if ((bus > 255) || (devfn > 255) || (reg > 4095)) return -EINVAL; base = get_base_addr(seg, bus, devfn); @@ -199,19 +199,19 @@ void __init pci_mmcfg_init(int type) if ((pci_probe & PCI_PROBE_MMCONF) == 0) return; - acpi_table_parse(ACPI_MCFG, acpi_parse_mcfg); + acpi_table_parse(ACPI_SIG_MCFG, acpi_parse_mcfg); if ((pci_mmcfg_config_num == 0) || (pci_mmcfg_config == NULL) || - (pci_mmcfg_config[0].base_address == 0)) + (pci_mmcfg_config[0].address == 0)) return; /* Only do this check when type 1 works. If it doesn't work assume we run on a Mac and always use MCFG */ - if (type == 1 && !e820_all_mapped(pci_mmcfg_config[0].base_address, - pci_mmcfg_config[0].base_address + MMCONFIG_APER_MIN, + if (type == 1 && !e820_all_mapped(pci_mmcfg_config[0].address, + pci_mmcfg_config[0].address + MMCONFIG_APER_MIN, E820_RESERVED)) { - printk(KERN_ERR "PCI: BIOS Bug: MCFG area at %x is not E820-reserved\n", - pci_mmcfg_config[0].base_address); + printk(KERN_ERR "PCI: BIOS Bug: MCFG area at %lx is not E820-reserved\n", + (unsigned long)pci_mmcfg_config[0].address); printk(KERN_ERR "PCI: Not using MMCONFIG.\n"); return; } diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index fcacfe291b9..db185f34e34 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -11,6 +11,8 @@ menu "Processor type and features" config IA64 bool + select PCI if (!IA64_HP_SIM) + select ACPI if (!IA64_HP_SIM) default y help The Itanium Processor Family is Intel's 64-bit successor to @@ -22,13 +24,16 @@ config 64BIT bool default y +config ZONE_DMA + def_bool y + depends on !IA64_SGI_SN2 + config MMU bool default y config SWIOTLB bool - default y config RWSEM_XCHGADD_ALGORITHM bool @@ -84,10 +89,9 @@ choice config IA64_GENERIC bool "generic" - select ACPI - select PCI select NUMA select ACPI_NUMA + select SWIOTLB help This selects the system type of your hardware. A "generic" kernel will run on any supported IA-64 system. However, if you configure @@ -104,6 +108,7 @@ config IA64_GENERIC config IA64_DIG bool "DIG-compliant" + select SWIOTLB config IA64_HP_ZX1 bool "HP-zx1/sx1000" @@ -113,6 +118,7 @@ config IA64_HP_ZX1 config IA64_HP_ZX1_SWIOTLB bool "HP-zx1/sx1000 with software I/O TLB" + select SWIOTLB help Build a kernel that runs on HP zx1 and sx1000 systems even when they have broken PCI devices which cannot DMA to full 32 bits. Apart @@ -131,6 +137,7 @@ config IA64_SGI_SN2 config IA64_HP_SIM bool "Ski-simulator" + select SWIOTLB endchoice diff --git a/arch/ia64/hp/common/hwsw_iommu.c b/arch/ia64/hp/common/hwsw_iommu.c index a5a5637507b..2153bcacbe6 100644 --- a/arch/ia64/hp/common/hwsw_iommu.c +++ b/arch/ia64/hp/common/hwsw_iommu.c @@ -192,3 +192,7 @@ EXPORT_SYMBOL(hwsw_unmap_sg); EXPORT_SYMBOL(hwsw_dma_supported); EXPORT_SYMBOL(hwsw_alloc_coherent); EXPORT_SYMBOL(hwsw_free_coherent); +EXPORT_SYMBOL(hwsw_sync_single_for_cpu); +EXPORT_SYMBOL(hwsw_sync_single_for_device); +EXPORT_SYMBOL(hwsw_sync_sg_for_cpu); +EXPORT_SYMBOL(hwsw_sync_sg_for_device); diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c index ce49fe3a3b5..c1dca226b47 100644 --- a/arch/ia64/hp/common/sba_iommu.c +++ b/arch/ia64/hp/common/sba_iommu.c @@ -1881,7 +1881,7 @@ ioc_open(struct inode *inode, struct file *file) return seq_open(file, &ioc_seq_ops); } -static struct file_operations ioc_fops = { +static const struct file_operations ioc_fops = { .open = ioc_open, .read = seq_read, .llseek = seq_lseek, diff --git a/arch/ia64/ia32/binfmt_elf32.c b/arch/ia64/ia32/binfmt_elf32.c index 578737ec762..c05bda66236 100644 --- a/arch/ia64/ia32/binfmt_elf32.c +++ b/arch/ia64/ia32/binfmt_elf32.c @@ -91,9 +91,8 @@ ia64_elf32_init (struct pt_regs *regs) * it with privilege level 3 because the IVE uses non-privileged accesses to these * tables. IA-32 segmentation is used to protect against IA-32 accesses to them. */ - vma = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL); + vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); if (vma) { - memset(vma, 0, sizeof(*vma)); vma->vm_mm = current->mm; vma->vm_start = IA32_GDT_OFFSET; vma->vm_end = vma->vm_start + PAGE_SIZE; @@ -117,9 +116,8 @@ ia64_elf32_init (struct pt_regs *regs) * code is locked in specific gate page, which is pointed by pretcode * when setup_frame_ia32 */ - vma = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL); + vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); if (vma) { - memset(vma, 0, sizeof(*vma)); vma->vm_mm = current->mm; vma->vm_start = IA32_GATE_OFFSET; vma->vm_end = vma->vm_start + PAGE_SIZE; @@ -142,9 +140,8 @@ ia64_elf32_init (struct pt_regs *regs) * Install LDT as anonymous memory. This gives us all-zero segment descriptors * until a task modifies them via modify_ldt(). */ - vma = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL); + vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); if (vma) { - memset(vma, 0, sizeof(*vma)); vma->vm_mm = current->mm; vma->vm_start = IA32_LDT_OFFSET; vma->vm_end = vma->vm_start + PAGE_ALIGN(IA32_LDT_ENTRIES*IA32_LDT_ENTRY_SIZE); @@ -214,12 +211,10 @@ ia32_setup_arg_pages (struct linux_binprm *bprm, int executable_stack) bprm->loader += stack_base; bprm->exec += stack_base; - mpnt = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL); + mpnt = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); if (!mpnt) return -ENOMEM; - memset(mpnt, 0, sizeof(*mpnt)); - down_write(¤t->mm->mmap_sem); { mpnt->vm_mm = current->mm; diff --git a/arch/ia64/ia32/ia32_entry.S b/arch/ia64/ia32/ia32_entry.S index a32cd59b81e..687e5fdc968 100644 --- a/arch/ia64/ia32/ia32_entry.S +++ b/arch/ia64/ia32/ia32_entry.S @@ -326,7 +326,7 @@ ia32_syscall_table: data8 sys_ni_syscall data8 compat_sys_wait4 data8 sys_swapoff /* 115 */ - data8 sys32_sysinfo + data8 compat_sys_sysinfo data8 sys32_ipc data8 sys_fsync data8 sys32_sigreturn diff --git a/arch/ia64/ia32/sys_ia32.c b/arch/ia64/ia32/sys_ia32.c index 957681c39ad..d430d36ae49 100644 --- a/arch/ia64/ia32/sys_ia32.c +++ b/arch/ia64/ia32/sys_ia32.c @@ -2209,74 +2209,6 @@ sys32_fstat64 (unsigned int fd, struct stat64 __user *statbuf) return ret; } -struct sysinfo32 { - s32 uptime; - u32 loads[3]; - u32 totalram; - u32 freeram; - u32 sharedram; - u32 bufferram; - u32 totalswap; - u32 freeswap; - u16 procs; - u16 pad; - u32 totalhigh; - u32 freehigh; - u32 mem_unit; - char _f[8]; -}; - -asmlinkage long -sys32_sysinfo (struct sysinfo32 __user *info) -{ - struct sysinfo s; - long ret, err; - int bitcount = 0; - mm_segment_t old_fs = get_fs(); - - set_fs(KERNEL_DS); - ret = sys_sysinfo((struct sysinfo __user *) &s); - set_fs(old_fs); - /* Check to see if any memory value is too large for 32-bit and - * scale down if needed. - */ - if ((s.totalram >> 32) || (s.totalswap >> 32)) { - while (s.mem_unit < PAGE_SIZE) { - s.mem_unit <<= 1; - bitcount++; - } - s.totalram >>= bitcount; - s.freeram >>= bitcount; - s.sharedram >>= bitcount; - s.bufferram >>= bitcount; - s.totalswap >>= bitcount; - s.freeswap >>= bitcount; - s.totalhigh >>= bitcount; - s.freehigh >>= bitcount; - } - - if (!access_ok(VERIFY_WRITE, info, sizeof(*info))) - return -EFAULT; - - err = __put_user(s.uptime, &info->uptime); - err |= __put_user(s.loads[0], &info->loads[0]); - err |= __put_user(s.loads[1], &info->loads[1]); - err |= __put_user(s.loads[2], &info->loads[2]); - err |= __put_user(s.totalram, &info->totalram); - err |= __put_user(s.freeram, &info->freeram); - err |= __put_user(s.sharedram, &info->sharedram); - err |= __put_user(s.bufferram, &info->bufferram); - err |= __put_user(s.totalswap, &info->totalswap); - err |= __put_user(s.freeswap, &info->freeswap); - err |= __put_user(s.procs, &info->procs); - err |= __put_user (s.totalhigh, &info->totalhigh); - err |= __put_user (s.freehigh, &info->freehigh); - err |= __put_user (s.mem_unit, &info->mem_unit); - if (err) - return -EFAULT; - return ret; -} - asmlinkage long sys32_sched_rr_get_interval (pid_t pid, struct compat_timespec __user *interval) { diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c index 29f05d4b68c..9197d7b361b 100644 --- a/arch/ia64/kernel/acpi.c +++ b/arch/ia64/kernel/acpi.c @@ -55,7 +55,7 @@ #define BAD_MADT_ENTRY(entry, end) ( \ (!entry) || (unsigned long)entry + sizeof(*entry) > end || \ - ((acpi_table_entry_header *)entry)->length < sizeof(*entry)) + ((struct acpi_subtable_header *)entry)->length < sizeof(*entry)) #define PREFIX "ACPI: " @@ -67,16 +67,11 @@ EXPORT_SYMBOL(pm_power_off); unsigned int acpi_cpei_override; unsigned int acpi_cpei_phys_cpuid; -#define MAX_SAPICS 256 -u16 ia64_acpiid_to_sapicid[MAX_SAPICS] = {[0 ... MAX_SAPICS - 1] = -1 }; - -EXPORT_SYMBOL(ia64_acpiid_to_sapicid); - const char *acpi_get_sysname(void) { #ifdef CONFIG_IA64_GENERIC unsigned long rsdp_phys; - struct acpi20_table_rsdp *rsdp; + struct acpi_table_rsdp *rsdp; struct acpi_table_xsdt *xsdt; struct acpi_table_header *hdr; @@ -87,16 +82,16 @@ const char *acpi_get_sysname(void) return "dig"; } - rsdp = (struct acpi20_table_rsdp *)__va(rsdp_phys); - if (strncmp(rsdp->signature, RSDP_SIG, sizeof(RSDP_SIG) - 1)) { + rsdp = (struct acpi_table_rsdp *)__va(rsdp_phys); + if (strncmp(rsdp->signature, ACPI_SIG_RSDP, sizeof(ACPI_SIG_RSDP) - 1)) { printk(KERN_ERR "ACPI 2.0 RSDP signature incorrect, default to \"dig\"\n"); return "dig"; } - xsdt = (struct acpi_table_xsdt *)__va(rsdp->xsdt_address); + xsdt = (struct acpi_table_xsdt *)__va(rsdp->xsdt_physical_address); hdr = &xsdt->header; - if (strncmp(hdr->signature, XSDT_SIG, sizeof(XSDT_SIG) - 1)) { + if (strncmp(hdr->signature, ACPI_SIG_XSDT, sizeof(ACPI_SIG_XSDT) - 1)) { printk(KERN_ERR "ACPI 2.0 XSDT signature incorrect, default to \"dig\"\n"); return "dig"; @@ -169,12 +164,12 @@ struct acpi_table_madt *acpi_madt __initdata; static u8 has_8259; static int __init -acpi_parse_lapic_addr_ovr(acpi_table_entry_header * header, +acpi_parse_lapic_addr_ovr(struct acpi_subtable_header * header, const unsigned long end) { - struct acpi_table_lapic_addr_ovr *lapic; + struct acpi_madt_local_apic_override *lapic; - lapic = (struct acpi_table_lapic_addr_ovr *)header; + lapic = (struct acpi_madt_local_apic_override *)header; if (BAD_MADT_ENTRY(lapic, end)) return -EINVAL; @@ -187,22 +182,19 @@ acpi_parse_lapic_addr_ovr(acpi_table_entry_header * header, } static int __init -acpi_parse_lsapic(acpi_table_entry_header * header, const unsigned long end) +acpi_parse_lsapic(struct acpi_subtable_header * header, const unsigned long end) { - struct acpi_table_lsapic *lsapic; + struct acpi_madt_local_sapic *lsapic; - lsapic = (struct acpi_table_lsapic *)header; + lsapic = (struct acpi_madt_local_sapic *)header; - if (BAD_MADT_ENTRY(lsapic, end)) - return -EINVAL; + /*Skip BAD_MADT_ENTRY check, as lsapic size could vary */ - if (lsapic->flags.enabled) { + if (lsapic->lapic_flags & ACPI_MADT_ENABLED) { #ifdef CONFIG_SMP smp_boot_data.cpu_phys_id[available_cpus] = (lsapic->id << 8) | lsapic->eid; #endif - ia64_acpiid_to_sapicid[lsapic->acpi_id] = - (lsapic->id << 8) | lsapic->eid; ++available_cpus; } @@ -211,11 +203,11 @@ acpi_parse_lsapic(acpi_table_entry_header * header, const unsigned long end) } static int __init -acpi_parse_lapic_nmi(acpi_table_entry_header * header, const unsigned long end) +acpi_parse_lapic_nmi(struct acpi_subtable_header * header, const unsigned long end) { - struct acpi_table_lapic_nmi *lacpi_nmi; + struct acpi_madt_local_apic_nmi *lacpi_nmi; - lacpi_nmi = (struct acpi_table_lapic_nmi *)header; + lacpi_nmi = (struct acpi_madt_local_apic_nmi *)header; if (BAD_MADT_ENTRY(lacpi_nmi, end)) return -EINVAL; @@ -225,11 +217,11 @@ acpi_parse_lapic_nmi(acpi_table_entry_header * header, const unsigned long end) } static int __init -acpi_parse_iosapic(acpi_table_entry_header * header, const unsigned long end) +acpi_parse_iosapic(struct acpi_subtable_header * header, const unsigned long end) { - struct acpi_table_iosapic *iosapic; + struct acpi_madt_io_sapic *iosapic; - iosapic = (struct acpi_table_iosapic *)header; + iosapic = (struct acpi_madt_io_sapic *)header; if (BAD_MADT_ENTRY(iosapic, end)) return -EINVAL; @@ -240,13 +232,13 @@ acpi_parse_iosapic(acpi_table_entry_header * header, const unsigned long end) static unsigned int __initdata acpi_madt_rev; static int __init -acpi_parse_plat_int_src(acpi_table_entry_header * header, +acpi_parse_plat_int_src(struct acpi_subtable_header * header, const unsigned long end) { - struct acpi_table_plat_int_src *plintsrc; + struct acpi_madt_interrupt_source *plintsrc; int vector; - plintsrc = (struct acpi_table_plat_int_src *)header; + plintsrc = (struct acpi_madt_interrupt_source *)header; if (BAD_MADT_ENTRY(plintsrc, end)) return -EINVAL; @@ -257,19 +249,19 @@ acpi_parse_plat_int_src(acpi_table_entry_header * header, */ vector = iosapic_register_platform_intr(plintsrc->type, plintsrc->global_irq, - plintsrc->iosapic_vector, + plintsrc->io_sapic_vector, plintsrc->eid, plintsrc->id, - (plintsrc->flags.polarity == - 1) ? IOSAPIC_POL_HIGH : - IOSAPIC_POL_LOW, - (plintsrc->flags.trigger == - 1) ? IOSAPIC_EDGE : - IOSAPIC_LEVEL); + ((plintsrc->inti_flags & ACPI_MADT_POLARITY_MASK) == + ACPI_MADT_POLARITY_ACTIVE_HIGH) ? + IOSAPIC_POL_HIGH : IOSAPIC_POL_LOW, + ((plintsrc->inti_flags & ACPI_MADT_TRIGGER_MASK) == + ACPI_MADT_TRIGGER_EDGE) ? + IOSAPIC_EDGE : IOSAPIC_LEVEL); platform_intr_list[plintsrc->type] = vector; if (acpi_madt_rev > 1) { - acpi_cpei_override = plintsrc->plint_flags.cpei_override_flag; + acpi_cpei_override = plintsrc->flags & ACPI_MADT_CPEI_OVERRIDE; } /* @@ -324,30 +316,32 @@ unsigned int get_cpei_target_cpu(void) } static int __init -acpi_parse_int_src_ovr(acpi_table_entry_header * header, +acpi_parse_int_src_ovr(struct acpi_subtable_header * header, const unsigned long end) { - struct acpi_table_int_src_ovr *p; + struct acpi_madt_interrupt_override *p; - p = (struct acpi_table_int_src_ovr *)header; + p = (struct acpi_madt_interrupt_override *)header; if (BAD_MADT_ENTRY(p, end)) return -EINVAL; - iosapic_override_isa_irq(p->bus_irq, p->global_irq, - (p->flags.polarity == - 1) ? IOSAPIC_POL_HIGH : IOSAPIC_POL_LOW, - (p->flags.trigger == - 1) ? IOSAPIC_EDGE : IOSAPIC_LEVEL); + iosapic_override_isa_irq(p->source_irq, p->global_irq, + ((p->inti_flags & ACPI_MADT_POLARITY_MASK) == + ACPI_MADT_POLARITY_ACTIVE_HIGH) ? + IOSAPIC_POL_HIGH : IOSAPIC_POL_LOW, + ((p->inti_flags & ACPI_MADT_TRIGGER_MASK) == + ACPI_MADT_TRIGGER_EDGE) ? + IOSAPIC_EDGE : IOSAPIC_LEVEL); return 0; } static int __init -acpi_parse_nmi_src(acpi_table_entry_header * header, const unsigned long end) +acpi_parse_nmi_src(struct acpi_subtable_header * header, const unsigned long end) { - struct acpi_table_nmi_src *nmi_src; + struct acpi_madt_nmi_source *nmi_src; - nmi_src = (struct acpi_table_nmi_src *)header; + nmi_src = (struct acpi_madt_nmi_source *)header; if (BAD_MADT_ENTRY(nmi_src, end)) return -EINVAL; @@ -371,12 +365,12 @@ static void __init acpi_madt_oem_check(char *oem_id, char *oem_table_id) } } -static int __init acpi_parse_madt(unsigned long phys_addr, unsigned long size) +static int __init acpi_parse_madt(struct acpi_table_header *table) { - if (!phys_addr || !size) + if (!table) return -EINVAL; - acpi_madt = (struct acpi_table_madt *)__va(phys_addr); + acpi_madt = (struct acpi_table_madt *)table; acpi_madt_rev = acpi_madt->header.revision; @@ -384,14 +378,14 @@ static int __init acpi_parse_madt(unsigned long phys_addr, unsigned long size) #ifdef CONFIG_ITANIUM has_8259 = 1; /* Firmware on old Itanium systems is broken */ #else - has_8259 = acpi_madt->flags.pcat_compat; + has_8259 = acpi_madt->flags & ACPI_MADT_PCAT_COMPAT; #endif iosapic_system_init(has_8259); /* Get base address of IPI Message Block */ - if (acpi_madt->lapic_address) - ipi_base_addr = ioremap(acpi_madt->lapic_address, 0); + if (acpi_madt->address) + ipi_base_addr = ioremap(acpi_madt->address, 0); printk(KERN_INFO PREFIX "Local APIC address %p\n", ipi_base_addr); @@ -413,23 +407,24 @@ static u32 __devinitdata pxm_flag[PXM_FLAG_LEN]; #define pxm_bit_test(bit) (test_bit(bit,(void *)pxm_flag)) static struct acpi_table_slit __initdata *slit_table; -static int get_processor_proximity_domain(struct acpi_table_processor_affinity *pa) +static int get_processor_proximity_domain(struct acpi_srat_cpu_affinity *pa) { int pxm; - pxm = pa->proximity_domain; + pxm = pa->proximity_domain_lo; if (ia64_platform_is("sn2")) - pxm += pa->reserved[0] << 8; + pxm += pa->proximity_domain_hi[0] << 8; return pxm; } -static int get_memory_proximity_domain(struct acpi_table_memory_affinity *ma) +static int get_memory_proximity_domain(struct acpi_srat_mem_affinity *ma) { int pxm; pxm = ma->proximity_domain; - if (ia64_platform_is("sn2")) - pxm += ma->reserved1[0] << 8; + if (!ia64_platform_is("sn2")) + pxm &= 0xff; + return pxm; } @@ -442,7 +437,7 @@ void __init acpi_numa_slit_init(struct acpi_table_slit *slit) u32 len; len = sizeof(struct acpi_table_header) + 8 - + slit->localities * slit->localities; + + slit->locality_count * slit->locality_count; if (slit->header.length != len) { printk(KERN_ERR "ACPI 2.0 SLIT: size mismatch: %d expected, %d actual\n", @@ -454,11 +449,11 @@ void __init acpi_numa_slit_init(struct acpi_table_slit *slit) } void __init -acpi_numa_processor_affinity_init(struct acpi_table_processor_affinity *pa) +acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { int pxm; - if (!pa->flags.enabled) + if (!(pa->flags & ACPI_SRAT_CPU_ENABLED)) return; pxm = get_processor_proximity_domain(pa); @@ -467,14 +462,14 @@ acpi_numa_processor_affinity_init(struct acpi_table_processor_affinity *pa) pxm_bit_set(pxm); node_cpuid[srat_num_cpus].phys_id = - (pa->apic_id << 8) | (pa->lsapic_eid); + (pa->apic_id << 8) | (pa->local_sapic_eid); /* nid should be overridden as logical node id later */ node_cpuid[srat_num_cpus].nid = pxm; srat_num_cpus++; } void __init -acpi_numa_memory_affinity_init(struct acpi_table_memory_affinity *ma) +acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma) { unsigned long paddr, size; int pxm; @@ -483,13 +478,11 @@ acpi_numa_memory_affinity_init(struct acpi_table_memory_affinity *ma) pxm = get_memory_proximity_domain(ma); /* fill node memory chunk structure */ - paddr = ma->base_addr_hi; - paddr = (paddr << 32) | ma->base_addr_lo; - size = ma->length_hi; - size = (size << 32) | ma->length_lo; + paddr = ma->base_address; + size = ma->length; /* Ignore disabled entries */ - if (!ma->flags.enabled) + if (!(ma->flags & ACPI_SRAT_MEM_ENABLED)) return; /* record this node in proximity bitmap */ @@ -560,16 +553,16 @@ void __init acpi_numa_arch_fixup(void) if (!slit_table) return; memset(numa_slit, -1, sizeof(numa_slit)); - for (i = 0; i < slit_table->localities; i++) { + for (i = 0; i < slit_table->locality_count; i++) { if (!pxm_bit_test(i)) continue; node_from = pxm_to_node(i); - for (j = 0; j < slit_table->localities; j++) { + for (j = 0; j < slit_table->locality_count; j++) { if (!pxm_bit_test(j)) continue; node_to = pxm_to_node(j); node_distance(node_from, node_to) = - slit_table->entry[i * slit_table->localities + j]; + slit_table->entry[i * slit_table->locality_count + j]; } } @@ -617,21 +610,21 @@ void acpi_unregister_gsi(u32 gsi) EXPORT_SYMBOL(acpi_unregister_gsi); -static int __init acpi_parse_fadt(unsigned long phys_addr, unsigned long size) +static int __init acpi_parse_fadt(struct acpi_table_header *table) { struct acpi_table_header *fadt_header; - struct fadt_descriptor *fadt; + struct acpi_table_fadt *fadt; - if (!phys_addr || !size) + if (!table) return -EINVAL; - fadt_header = (struct acpi_table_header *)__va(phys_addr); + fadt_header = (struct acpi_table_header *)table; if (fadt_header->revision != 3) return -ENODEV; /* Only deal with ACPI 2.0 FADT */ - fadt = (struct fadt_descriptor *)fadt_header; + fadt = (struct acpi_table_fadt *)fadt_header; - acpi_register_gsi(fadt->sci_int, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW); + acpi_register_gsi(fadt->sci_interrupt, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW); return 0; } @@ -658,7 +651,7 @@ int __init acpi_boot_init(void) * information -- the successor to MPS tables. */ - if (acpi_table_parse(ACPI_APIC, acpi_parse_madt) < 1) { + if (acpi_table_parse(ACPI_SIG_MADT, acpi_parse_madt) < 1) { printk(KERN_ERR PREFIX "Can't find MADT\n"); goto skip_madt; } @@ -666,40 +659,40 @@ int __init acpi_boot_init(void) /* Local APIC */ if (acpi_table_parse_madt - (ACPI_MADT_LAPIC_ADDR_OVR, acpi_parse_lapic_addr_ovr, 0) < 0) + (ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE, acpi_parse_lapic_addr_ovr, 0) < 0) printk(KERN_ERR PREFIX "Error parsing LAPIC address override entry\n"); - if (acpi_table_parse_madt(ACPI_MADT_LSAPIC, acpi_parse_lsapic, NR_CPUS) + if (acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_SAPIC, acpi_parse_lsapic, NR_CPUS) < 1) printk(KERN_ERR PREFIX "Error parsing MADT - no LAPIC entries\n"); - if (acpi_table_parse_madt(ACPI_MADT_LAPIC_NMI, acpi_parse_lapic_nmi, 0) + if (acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC_NMI, acpi_parse_lapic_nmi, 0) < 0) printk(KERN_ERR PREFIX "Error parsing LAPIC NMI entry\n"); /* I/O APIC */ if (acpi_table_parse_madt - (ACPI_MADT_IOSAPIC, acpi_parse_iosapic, NR_IOSAPICS) < 1) + (ACPI_MADT_TYPE_IO_SAPIC, acpi_parse_iosapic, NR_IOSAPICS) < 1) printk(KERN_ERR PREFIX "Error parsing MADT - no IOSAPIC entries\n"); /* System-Level Interrupt Routing */ if (acpi_table_parse_madt - (ACPI_MADT_PLAT_INT_SRC, acpi_parse_plat_int_src, + (ACPI_MADT_TYPE_INTERRUPT_SOURCE, acpi_parse_plat_int_src, ACPI_MAX_PLATFORM_INTERRUPTS) < 0) printk(KERN_ERR PREFIX "Error parsing platform interrupt source entry\n"); if (acpi_table_parse_madt - (ACPI_MADT_INT_SRC_OVR, acpi_parse_int_src_ovr, 0) < 0) + (ACPI_MADT_TYPE_INTERRUPT_OVERRIDE, acpi_parse_int_src_ovr, 0) < 0) printk(KERN_ERR PREFIX "Error parsing interrupt source overrides entry\n"); - if (acpi_table_parse_madt(ACPI_MADT_NMI_SRC, acpi_parse_nmi_src, 0) < 0) + if (acpi_table_parse_madt(ACPI_MADT_TYPE_NMI_SOURCE, acpi_parse_nmi_src, 0) < 0) printk(KERN_ERR PREFIX "Error parsing NMI SRC entry\n"); skip_madt: @@ -709,7 +702,7 @@ int __init acpi_boot_init(void) * gets interrupts such as power and sleep buttons. If it's not * on a Legacy interrupt, it needs to be setup. */ - if (acpi_table_parse(ACPI_FADT, acpi_parse_fadt) < 1) + if (acpi_table_parse(ACPI_SIG_FADT, acpi_parse_fadt) < 1) printk(KERN_ERR PREFIX "Can't find FADT\n"); #ifdef CONFIG_SMP @@ -842,7 +835,7 @@ int acpi_map_lsapic(acpi_handle handle, int *pcpu) { struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; union acpi_object *obj; - struct acpi_table_lsapic *lsapic; + struct acpi_madt_local_sapic *lsapic; cpumask_t tmp_map; long physid; int cpu; @@ -854,16 +847,16 @@ int acpi_map_lsapic(acpi_handle handle, int *pcpu) return -EINVAL; obj = buffer.pointer; - if (obj->type != ACPI_TYPE_BUFFER || - obj->buffer.length < sizeof(*lsapic)) { + if (obj->type != ACPI_TYPE_BUFFER) + { kfree(buffer.pointer); return -EINVAL; } - lsapic = (struct acpi_table_lsapic *)obj->buffer.pointer; + lsapic = (struct acpi_madt_local_sapic *)obj->buffer.pointer; - if ((lsapic->header.type != ACPI_MADT_LSAPIC) || - (!lsapic->flags.enabled)) { + if ((lsapic->header.type != ACPI_MADT_TYPE_LOCAL_SAPIC) || + (!lsapic->lapic_flags & ACPI_MADT_ENABLED)) { kfree(buffer.pointer); return -EINVAL; } @@ -883,7 +876,6 @@ int acpi_map_lsapic(acpi_handle handle, int *pcpu) cpu_set(cpu, cpu_present_map); ia64_cpu_to_sapicid[cpu] = physid; - ia64_acpiid_to_sapicid[lsapic->acpi_id] = ia64_cpu_to_sapicid[cpu]; *pcpu = cpu; return (0); @@ -893,14 +885,6 @@ EXPORT_SYMBOL(acpi_map_lsapic); int acpi_unmap_lsapic(int cpu) { - int i; - - for (i = 0; i < MAX_SAPICS; i++) { - if (ia64_acpiid_to_sapicid[i] == ia64_cpu_to_sapicid[cpu]) { - ia64_acpiid_to_sapicid[i] = -1; - break; - } - } ia64_cpu_to_sapicid[cpu] = -1; cpu_clear(cpu, cpu_present_map); @@ -920,7 +904,7 @@ acpi_map_iosapic(acpi_handle handle, u32 depth, void *context, void **ret) { struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; union acpi_object *obj; - struct acpi_table_iosapic *iosapic; + struct acpi_madt_io_sapic *iosapic; unsigned int gsi_base; int pxm, node; @@ -938,9 +922,9 @@ acpi_map_iosapic(acpi_handle handle, u32 depth, void *context, void **ret) return AE_OK; } - iosapic = (struct acpi_table_iosapic *)obj->buffer.pointer; + iosapic = (struct acpi_madt_io_sapic *)obj->buffer.pointer; - if (iosapic->header.type != ACPI_MADT_IOSAPIC) { + if (iosapic->header.type != ACPI_MADT_TYPE_IO_SAPIC) { kfree(buffer.pointer); return AE_OK; } diff --git a/arch/ia64/kernel/crash.c b/arch/ia64/kernel/crash.c index bc2f64d7224..37bb16f07fc 100644 --- a/arch/ia64/kernel/crash.c +++ b/arch/ia64/kernel/crash.c @@ -52,7 +52,7 @@ extern void ia64_dump_cpu_regs(void *); static DEFINE_PER_CPU(struct elf_prstatus, elf_prstatus); void -crash_save_this_cpu() +crash_save_this_cpu(void) { void *buf; unsigned long cfm, sof, sol; @@ -79,6 +79,7 @@ crash_save_this_cpu() final_note(buf); } +#ifdef CONFIG_SMP static int kdump_wait_cpu_freeze(void) { @@ -91,6 +92,7 @@ kdump_wait_cpu_freeze(void) } return 1; } +#endif void machine_crash_shutdown(struct pt_regs *pt) @@ -116,6 +118,11 @@ machine_crash_shutdown(struct pt_regs *pt) static void machine_kdump_on_init(void) { + if (!ia64_kimage) { + printk(KERN_NOTICE "machine_kdump_on_init(): " + "kdump not configured\n"); + return; + } local_irq_disable(); kexec_disable_iosapic(); machine_kexec(ia64_kimage); @@ -132,11 +139,12 @@ kdump_cpu_freeze(struct unw_frame_info *info, void *arg) atomic_inc(&kdump_cpu_freezed); kdump_status[cpuid] = 1; mb(); - if (cpuid == 0) { - for (;;) - cpu_relax(); - } else +#ifdef CONFIG_HOTPLUG_CPU + if (cpuid != 0) ia64_jump_to_sal(&sal_boot_rendez_state[cpuid]); +#endif + for (;;) + cpu_relax(); } static int diff --git a/arch/ia64/kernel/crash_dump.c b/arch/ia64/kernel/crash_dump.c index 83b8c91c140..da60e90eeeb 100644 --- a/arch/ia64/kernel/crash_dump.c +++ b/arch/ia64/kernel/crash_dump.c @@ -9,7 +9,8 @@ #include <linux/errno.h> #include <linux/types.h> -#include <linux/uaccess.h> +#include <asm/page.h> +#include <asm/uaccess.h> /** * copy_oldmem_page - copy one page from "oldmem" diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c index 0b25a7d4e1e..772ba6fe110 100644 --- a/arch/ia64/kernel/efi.c +++ b/arch/ia64/kernel/efi.c @@ -380,7 +380,7 @@ efi_get_pal_addr (void) #endif return __va(md->phys_addr); } - printk(KERN_WARNING "%s: no PAL-code memory-descriptor found", + printk(KERN_WARNING "%s: no PAL-code memory-descriptor found\n", __FUNCTION__); return NULL; } @@ -413,11 +413,10 @@ efi_init (void) efi_char16_t *c16; u64 efi_desc_size; char *cp, vendor[100] = "unknown"; - extern char saved_command_line[]; int i; /* it's too early to be able to use the standard kernel command line support... */ - for (cp = saved_command_line; *cp; ) { + for (cp = boot_command_line; *cp; ) { if (memcmp(cp, "mem=", 4) == 0) { mem_limit = memparse(cp + 4, &cp); } else if (memcmp(cp, "max_addr=", 9) == 0) { diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S index 15234ed3a34..e7873eeae44 100644 --- a/arch/ia64/kernel/entry.S +++ b/arch/ia64/kernel/entry.S @@ -1610,5 +1610,7 @@ sys_call_table: data8 sys_sync_file_range // 1300 data8 sys_tee data8 sys_vmsplice + data8 sys_ni_syscall // reserved for move_pages + data8 sys_getcpu .org sys_call_table + 8*NR_syscalls // guard against failures to increase NR_syscalls diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c index 0fc5fb7865c..d6aab40c641 100644 --- a/arch/ia64/kernel/iosapic.c +++ b/arch/ia64/kernel/iosapic.c @@ -925,6 +925,11 @@ iosapic_unregister_intr (unsigned int gsi) /* Clear the interrupt controller descriptor */ idesc->chip = &no_irq_type; +#ifdef CONFIG_SMP + /* Clear affinity */ + cpus_setall(idesc->affinity); +#endif + /* Clear the interrupt information */ memset(&iosapic_intr_info[vector], 0, sizeof(struct iosapic_intr_info)); diff --git a/arch/ia64/kernel/machine_kexec.c b/arch/ia64/kernel/machine_kexec.c index e2ccc9f660c..4f0f3b8c1ee 100644 --- a/arch/ia64/kernel/machine_kexec.c +++ b/arch/ia64/kernel/machine_kexec.c @@ -14,6 +14,7 @@ #include <linux/kexec.h> #include <linux/cpu.h> #include <linux/irq.h> +#include <linux/efi.h> #include <asm/mmu_context.h> #include <asm/setup.h> #include <asm/delay.h> @@ -68,22 +69,10 @@ void machine_kexec_cleanup(struct kimage *image) { } -void machine_shutdown(void) -{ - int cpu; - - for_each_online_cpu(cpu) { - if (cpu != smp_processor_id()) - cpu_down(cpu); - } - kexec_disable_iosapic(); -} - /* * Do not allocate memory (or fail in any way) in machine_kexec(). * We are past the point of no return, committed to rebooting now. */ -extern void *efi_get_pal_addr(void); static void ia64_machine_kexec(struct unw_frame_info *info, void *arg) { struct kimage *image = arg; @@ -93,6 +82,7 @@ static void ia64_machine_kexec(struct unw_frame_info *info, void *arg) unsigned long vector; int ii; + BUG_ON(!image); if (image->type == KEXEC_TYPE_CRASH) { crash_save_this_cpu(); current->thread.ksp = (__u64)info->sw - 16; @@ -131,6 +121,7 @@ static void ia64_machine_kexec(struct unw_frame_info *info, void *arg) void machine_kexec(struct kimage *image) { + BUG_ON(!image); unw_init_running(ia64_machine_kexec, image); for(;;); } diff --git a/arch/ia64/kernel/msi_ia64.c b/arch/ia64/kernel/msi_ia64.c index 822e59a1b82..0d05450c91c 100644 --- a/arch/ia64/kernel/msi_ia64.c +++ b/arch/ia64/kernel/msi_ia64.c @@ -64,12 +64,17 @@ static void ia64_set_msi_irq_affinity(unsigned int irq, cpumask_t cpu_mask) } #endif /* CONFIG_SMP */ -int ia64_setup_msi_irq(unsigned int irq, struct pci_dev *pdev) +int ia64_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc) { struct msi_msg msg; unsigned long dest_phys_id; - unsigned int vector; + unsigned int irq, vector; + irq = create_irq(); + if (irq < 0) + return irq; + + set_irq_msi(irq, desc); dest_phys_id = cpu_physical_id(first_cpu(cpu_online_map)); vector = irq; @@ -89,12 +94,12 @@ int ia64_setup_msi_irq(unsigned int irq, struct pci_dev *pdev) write_msi_msg(irq, &msg); set_irq_chip_and_handler(irq, &ia64_msi_chip, handle_edge_irq); - return 0; + return irq; } void ia64_teardown_msi_irq(unsigned int irq) { - return; /* no-op */ + destroy_irq(irq); } static void ia64_ack_msi_irq(unsigned int irq) @@ -126,12 +131,12 @@ static struct irq_chip ia64_msi_chip = { }; -int arch_setup_msi_irq(unsigned int irq, struct pci_dev *pdev) +int arch_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc) { if (platform_setup_msi_irq) - return platform_setup_msi_irq(irq, pdev); + return platform_setup_msi_irq(pdev, desc); - return ia64_setup_msi_irq(irq, pdev); + return ia64_setup_msi_irq(pdev, desc); } void arch_teardown_msi_irq(unsigned int irq) diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c index aa94f60fa8e..9860794a68f 100644 --- a/arch/ia64/kernel/perfmon.c +++ b/arch/ia64/kernel/perfmon.c @@ -621,7 +621,7 @@ EXPORT_PER_CPU_SYMBOL_GPL(pfm_syst_info); /* forward declaration */ -static struct file_operations pfm_file_ops; +static const struct file_operations pfm_file_ops; /* * forward declarations @@ -2126,7 +2126,7 @@ pfm_no_open(struct inode *irrelevant, struct file *dontcare) -static struct file_operations pfm_file_ops = { +static const struct file_operations pfm_file_ops = { .llseek = no_llseek, .read = pfm_read, .write = pfm_write, @@ -2301,12 +2301,11 @@ pfm_smpl_buffer_alloc(struct task_struct *task, pfm_context_t *ctx, unsigned lon DPRINT(("smpl_buf @%p\n", smpl_buf)); /* allocate vma */ - vma = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL); + vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); if (!vma) { DPRINT(("Cannot allocate vma\n")); goto error_kmem; } - memset(vma, 0, sizeof(*vma)); /* * partially initialize the vma for the sampling buffer @@ -6597,7 +6596,7 @@ found: return 0; } -static struct file_operations pfm_proc_fops = { +static const struct file_operations pfm_proc_fops = { .open = pfm_proc_open, .read = seq_read, .llseek = seq_lseek, diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c index 17685abaf49..ae96d417699 100644 --- a/arch/ia64/kernel/process.c +++ b/arch/ia64/kernel/process.c @@ -34,6 +34,7 @@ #include <asm/ia32.h> #include <asm/irq.h> #include <asm/kdebug.h> +#include <asm/kexec.h> #include <asm/pgalloc.h> #include <asm/processor.h> #include <asm/sal.h> @@ -803,6 +804,21 @@ cpu_halt (void) ia64_pal_halt(min_power_state); } +void machine_shutdown(void) +{ +#ifdef CONFIG_HOTPLUG_CPU + int cpu; + + for_each_online_cpu(cpu) { + if (cpu != smp_processor_id()) + cpu_down(cpu); + } +#endif +#ifdef CONFIG_KEXEC + kexec_disable_iosapic(); +#endif +} + void machine_restart (char *restart_cmd) { diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c index aa705e46b97..3f8918782e0 100644 --- a/arch/ia64/kernel/ptrace.c +++ b/arch/ia64/kernel/ptrace.c @@ -607,7 +607,7 @@ find_thread_for_addr (struct task_struct *child, unsigned long addr) */ list_for_each_safe(this, next, ¤t->children) { p = list_entry(this, struct task_struct, sibling); - if (p->mm != mm) + if (p->tgid != child->tgid) continue; if (thread_matches(p, addr)) { child = p; @@ -1405,6 +1405,7 @@ ptrace_disable (struct task_struct *child) struct ia64_psr *child_psr = ia64_psr(task_pt_regs(child)); /* make sure the single step/taken-branch trap bits are not set: */ + clear_tsk_thread_flag(child, TIF_SINGLESTEP); child_psr->ss = 0; child_psr->tb = 0; } @@ -1525,6 +1526,7 @@ sys_ptrace (long request, pid_t pid, unsigned long addr, unsigned long data) * Make sure the single step/taken-branch trap bits * are not set: */ + clear_tsk_thread_flag(child, TIF_SINGLESTEP); ia64_psr(pt)->ss = 0; ia64_psr(pt)->tb = 0; @@ -1556,6 +1558,7 @@ sys_ptrace (long request, pid_t pid, unsigned long addr, unsigned long data) goto out_tsk; clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); + set_tsk_thread_flag(child, TIF_SINGLESTEP); if (request == PTRACE_SINGLESTEP) { ia64_psr(pt)->ss = 1; } else { @@ -1595,13 +1598,9 @@ sys_ptrace (long request, pid_t pid, unsigned long addr, unsigned long data) } -void +static void syscall_trace (void) { - if (!test_thread_flag(TIF_SYSCALL_TRACE)) - return; - if (!(current->ptrace & PT_PTRACED)) - return; /* * The 0x80 provides a way for the tracing parent to * distinguish between a syscall stop and SIGTRAP delivery. @@ -1664,7 +1663,8 @@ syscall_trace_leave (long arg0, long arg1, long arg2, long arg3, audit_syscall_exit(success, result); } - if (test_thread_flag(TIF_SYSCALL_TRACE) + if ((test_thread_flag(TIF_SYSCALL_TRACE) + || test_thread_flag(TIF_SINGLESTEP)) && (current->ptrace & PT_PTRACED)) syscall_trace(); } diff --git a/arch/ia64/kernel/sal.c b/arch/ia64/kernel/sal.c index 20bad78b507..37c876f95db 100644 --- a/arch/ia64/kernel/sal.c +++ b/arch/ia64/kernel/sal.c @@ -194,9 +194,8 @@ static void __init chk_nointroute_opt(void) { char *cp; - extern char saved_command_line[]; - for (cp = saved_command_line; *cp; ) { + for (cp = boot_command_line; *cp; ) { if (memcmp(cp, "nointroute", 10) == 0) { no_int_routing = 1; printk ("no_int_routing on\n"); diff --git a/arch/ia64/kernel/salinfo.c b/arch/ia64/kernel/salinfo.c index e375a2f0f2c..af9f8754d84 100644 --- a/arch/ia64/kernel/salinfo.c +++ b/arch/ia64/kernel/salinfo.c @@ -352,7 +352,7 @@ retry: return size; } -static struct file_operations salinfo_event_fops = { +static const struct file_operations salinfo_event_fops = { .open = salinfo_event_open, .read = salinfo_event_read, }; @@ -568,7 +568,7 @@ salinfo_log_write(struct file *file, const char __user *buffer, size_t count, lo return count; } -static struct file_operations salinfo_data_fops = { +static const struct file_operations salinfo_data_fops = { .open = salinfo_log_open, .release = salinfo_log_release, .read = salinfo_log_read, diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c index ad567b8d432..5fa09d141ab 100644 --- a/arch/ia64/kernel/setup.c +++ b/arch/ia64/kernel/setup.c @@ -262,7 +262,7 @@ reserve_memory (void) * appropriate after a kernel panic. */ { - char *from = strstr(saved_command_line, "crashkernel="); + char *from = strstr(boot_command_line, "crashkernel="); unsigned long base, size; if (from) { size = memparse(from + 12, &from); @@ -463,7 +463,7 @@ setup_arch (char **cmdline_p) ia64_patch_vtop((u64) __start___vtop_patchlist, (u64) __end___vtop_patchlist); *cmdline_p = __va(ia64_boot_param->command_line); - strlcpy(saved_command_line, *cmdline_p, COMMAND_LINE_SIZE); + strlcpy(boot_command_line, *cmdline_p, COMMAND_LINE_SIZE); efi_init(); io_port_init(); @@ -569,34 +569,31 @@ show_cpuinfo (struct seq_file *m, void *v) { 1UL << 1, "spontaneous deferral"}, { 1UL << 2, "16-byte atomic ops" } }; - char features[128], *cp, sep; + char features[128], *cp, *sep; struct cpuinfo_ia64 *c = v; unsigned long mask; unsigned long proc_freq; - int i; + int i, size; mask = c->features; /* build the feature string: */ - memcpy(features, " standard", 10); + memcpy(features, "standard", 9); cp = features; - sep = 0; - for (i = 0; i < (int) ARRAY_SIZE(feature_bits); ++i) { + size = sizeof(features); + sep = ""; + for (i = 0; i < ARRAY_SIZE(feature_bits) && size > 1; ++i) { if (mask & feature_bits[i].mask) { - if (sep) - *cp++ = sep; - sep = ','; - *cp++ = ' '; - strcpy(cp, feature_bits[i].feature_name); - cp += strlen(feature_bits[i].feature_name); + cp += snprintf(cp, size, "%s%s", sep, + feature_bits[i].feature_name), + sep = ", "; mask &= ~feature_bits[i].mask; + size = sizeof(features) - (cp - features); } } - if (mask) { - /* print unknown features as a hex value: */ - if (sep) - *cp++ = sep; - sprintf(cp, " 0x%lx", mask); + if (mask && size > 1) { + /* print unknown features as a hex value */ + snprintf(cp, size, "%s0x%lx", sep, mask); } proc_freq = cpufreq_quick_get(cpunum); @@ -612,7 +609,7 @@ show_cpuinfo (struct seq_file *m, void *v) "model name : %s\n" "revision : %u\n" "archrev : %u\n" - "features :%s\n" /* don't change this---it _is_ right! */ + "features : %s\n" "cpu number : %lu\n" "cpu regs : %u\n" "cpu MHz : %lu.%06lu\n" diff --git a/arch/ia64/kernel/smp.c b/arch/ia64/kernel/smp.c index f4c7f7769cf..55ddd809b02 100644 --- a/arch/ia64/kernel/smp.c +++ b/arch/ia64/kernel/smp.c @@ -221,13 +221,13 @@ send_IPI_self (int op) #ifdef CONFIG_KEXEC void -kdump_smp_send_stop() +kdump_smp_send_stop(void) { send_IPI_allbutself(IPI_KDUMP_CPU_STOP); } void -kdump_smp_send_init() +kdump_smp_send_init(void) { unsigned int cpu, self_cpu; self_cpu = smp_processor_id(); diff --git a/arch/ia64/kernel/traps.c b/arch/ia64/kernel/traps.c index ab684747036..765cbe5ba6a 100644 --- a/arch/ia64/kernel/traps.c +++ b/arch/ia64/kernel/traps.c @@ -24,8 +24,6 @@ #include <asm/uaccess.h> #include <asm/kdebug.h> -extern spinlock_t timerlist_lock; - fpswa_interface_t *fpswa_interface; EXPORT_SYMBOL(fpswa_interface); @@ -53,34 +51,6 @@ trap_init (void) fpswa_interface = __va(ia64_boot_param->fpswa); } -/* - * Unlock any spinlocks which will prevent us from getting the message out (timerlist_lock - * is acquired through the console unblank code) - */ -void -bust_spinlocks (int yes) -{ - int loglevel_save = console_loglevel; - - if (yes) { - oops_in_progress = 1; - return; - } - -#ifdef CONFIG_VT - unblank_screen(); -#endif - oops_in_progress = 0; - /* - * OK, the message is on the console. Now we call printk() without - * oops_in_progress set so that printk will give klogd a poke. Hold onto - * your hats... - */ - console_loglevel = 15; /* NMI oopser may have shut the console up */ - printk(" "); - console_loglevel = loglevel_save; -} - void die (const char *str, struct pt_regs *regs, long err) { diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S index d6083a0936f..25dd55e4db2 100644 --- a/arch/ia64/kernel/vmlinux.lds.S +++ b/arch/ia64/kernel/vmlinux.lds.S @@ -111,12 +111,14 @@ SECTIONS .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) { *(.init.data) } +#ifdef CONFIG_BLK_DEV_INITRD .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) { __initramfs_start = .; *(.init.ramfs) __initramfs_end = .; } +#endif . = ALIGN(16); .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) @@ -157,6 +159,7 @@ SECTIONS } #endif + . = ALIGN(8); __con_initcall_start = .; .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) { *(.con_initcall.init) } diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c index 1e79551231b..ca4d41e5f17 100644 --- a/arch/ia64/mm/contig.c +++ b/arch/ia64/mm/contig.c @@ -30,47 +30,69 @@ static unsigned long max_gap; #endif /** - * show_mem - display a memory statistics summary + * show_mem - give short summary of memory stats * - * Just walks the pages in the system and describes where they're allocated. + * Shows a simple page count of reserved and used pages in the system. + * For discontig machines, it does this on a per-pgdat basis. */ -void -show_mem (void) +void show_mem(void) { - int i, total = 0, reserved = 0; - int shared = 0, cached = 0; + int i, total_reserved = 0; + int total_shared = 0, total_cached = 0; + unsigned long total_present = 0; + pg_data_t *pgdat; printk(KERN_INFO "Mem-info:\n"); show_free_areas(); - printk(KERN_INFO "Free swap: %6ldkB\n", nr_swap_pages<<(PAGE_SHIFT-10)); - i = max_mapnr; - for (i = 0; i < max_mapnr; i++) { - if (!pfn_valid(i)) { + printk(KERN_INFO "Node memory in pages:\n"); + for_each_online_pgdat(pgdat) { + unsigned long present; + unsigned long flags; + int shared = 0, cached = 0, reserved = 0; + + pgdat_resize_lock(pgdat, &flags); + present = pgdat->node_present_pages; + for(i = 0; i < pgdat->node_spanned_pages; i++) { + struct page *page; + if (pfn_valid(pgdat->node_start_pfn + i)) + page = pfn_to_page(pgdat->node_start_pfn + i); + else { #ifdef CONFIG_VIRTUAL_MEM_MAP - if (max_gap < LARGE_GAP) - continue; - i = vmemmap_find_next_valid_pfn(0, i) - 1; + if (max_gap < LARGE_GAP) + continue; #endif - continue; + i = vmemmap_find_next_valid_pfn(pgdat->node_id, + i) - 1; + continue; + } + if (PageReserved(page)) + reserved++; + else if (PageSwapCache(page)) + cached++; + else if (page_count(page)) + shared += page_count(page)-1; } - total++; - if (PageReserved(mem_map+i)) - reserved++; - else if (PageSwapCache(mem_map+i)) - cached++; - else if (page_count(mem_map + i)) - shared += page_count(mem_map + i) - 1; + pgdat_resize_unlock(pgdat, &flags); + total_present += present; + total_reserved += reserved; + total_cached += cached; + total_shared += shared; + printk(KERN_INFO "Node %4d: RAM: %11ld, rsvd: %8d, " + "shrd: %10d, swpd: %10d\n", pgdat->node_id, + present, reserved, shared, cached); } - printk(KERN_INFO "%d pages of RAM\n", total); - printk(KERN_INFO "%d reserved pages\n", reserved); - printk(KERN_INFO "%d pages shared\n", shared); - printk(KERN_INFO "%d pages swap cached\n", cached); - printk(KERN_INFO "%ld pages in page table cache\n", + printk(KERN_INFO "%ld pages of RAM\n", total_present); + printk(KERN_INFO "%d reserved pages\n", total_reserved); + printk(KERN_INFO "%d pages shared\n", total_shared); + printk(KERN_INFO "%d pages swap cached\n", total_cached); + printk(KERN_INFO "Total of %ld pages in page table cache\n", pgtable_quicklist_total_size()); + printk(KERN_INFO "%d free buffer pages\n", nr_free_buffer_pages()); } + /* physical address where the bootmem map is located */ unsigned long bootmap_start; @@ -177,7 +199,7 @@ find_memory (void) #ifdef CONFIG_CRASH_DUMP /* If we are doing a crash dump, we still need to know the real mem - * size before original memory map is * reset. */ + * size before original memory map is reset. */ saved_max_pfn = max_pfn; #endif } @@ -237,9 +259,11 @@ paging_init (void) num_physpages = 0; efi_memmap_walk(count_pages, &num_physpages); - max_dma = virt_to_phys((void *) MAX_DMA_ADDRESS) >> PAGE_SHIFT; memset(max_zone_pfns, 0, sizeof(max_zone_pfns)); +#ifdef CONFIG_ZONE_DMA + max_dma = virt_to_phys((void *) MAX_DMA_ADDRESS) >> PAGE_SHIFT; max_zone_pfns[ZONE_DMA] = max_dma; +#endif max_zone_pfns[ZONE_NORMAL] = max_low_pfn; #ifdef CONFIG_VIRTUAL_MEM_MAP diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c index 96722cb1b49..16835108bb5 100644 --- a/arch/ia64/mm/discontig.c +++ b/arch/ia64/mm/discontig.c @@ -37,7 +37,9 @@ struct early_node_data { unsigned long pernode_size; struct bootmem_data bootmem_data; unsigned long num_physpages; +#ifdef CONFIG_ZONE_DMA unsigned long num_dma_physpages; +#endif unsigned long min_pfn; unsigned long max_pfn; }; @@ -412,37 +414,6 @@ static void __init memory_less_nodes(void) return; } -#ifdef CONFIG_SPARSEMEM -/** - * register_sparse_mem - notify SPARSEMEM that this memory range exists. - * @start: physical start of range - * @end: physical end of range - * @arg: unused - * - * Simply calls SPARSEMEM to register memory section(s). - */ -static int __init register_sparse_mem(unsigned long start, unsigned long end, - void *arg) -{ - int nid; - - start = __pa(start) >> PAGE_SHIFT; - end = __pa(end) >> PAGE_SHIFT; - nid = early_pfn_to_nid(start); - memory_present(nid, start, end); - - return 0; -} - -static void __init arch_sparse_init(void) -{ - efi_memmap_walk(register_sparse_mem, NULL); - sparse_init(); -} -#else -#define arch_sparse_init() do {} while (0) -#endif - /** * find_memory - walk the EFI memory map and setup the bootmem allocator * @@ -473,6 +444,9 @@ void __init find_memory(void) node_clear(node, memory_less_mask); mem_data[node].min_pfn = ~0UL; } + + efi_memmap_walk(register_active_ranges, NULL); + /* * Initialize the boot memory maps in reverse order since that's * what the bootmem allocator expects @@ -506,6 +480,12 @@ void __init find_memory(void) max_pfn = max_low_pfn; find_initrd(); + +#ifdef CONFIG_CRASH_DUMP + /* If we are doing a crash dump, we still need to know the real mem + * size before original memory map is reset. */ + saved_max_pfn = max_pfn; +#endif } #ifdef CONFIG_SMP @@ -654,11 +634,12 @@ static __init int count_node_pages(unsigned long start, unsigned long len, int n { unsigned long end = start + len; - add_active_range(node, start >> PAGE_SHIFT, end >> PAGE_SHIFT); mem_data[node].num_physpages += len >> PAGE_SHIFT; +#ifdef CONFIG_ZONE_DMA if (start <= __pa(MAX_DMA_ADDRESS)) mem_data[node].num_dma_physpages += (min(end, __pa(MAX_DMA_ADDRESS)) - start) >>PAGE_SHIFT; +#endif start = GRANULEROUNDDOWN(start); start = ORDERROUNDDOWN(start); end = GRANULEROUNDUP(end); @@ -686,10 +667,11 @@ void __init paging_init(void) max_dma = virt_to_phys((void *) MAX_DMA_ADDRESS) >> PAGE_SHIFT; - arch_sparse_init(); - efi_memmap_walk(filter_rsvd_memory, count_node_pages); + sparse_memory_present_with_active_regions(MAX_NUMNODES); + sparse_init(); + #ifdef CONFIG_VIRTUAL_MEM_MAP vmalloc_end -= PAGE_ALIGN(ALIGN(max_low_pfn, MAX_ORDER_NR_PAGES) * sizeof(struct page)); @@ -710,7 +692,9 @@ void __init paging_init(void) } memset(max_zone_pfns, 0, sizeof(max_zone_pfns)); +#ifdef CONFIG_ZONE_DMA max_zone_pfns[ZONE_DMA] = max_dma; +#endif max_zone_pfns[ZONE_NORMAL] = max_pfn; free_area_init_nodes(max_zone_pfns); diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c index 1373fae7657..f225dd72968 100644 --- a/arch/ia64/mm/init.c +++ b/arch/ia64/mm/init.c @@ -19,6 +19,7 @@ #include <linux/swap.h> #include <linux/proc_fs.h> #include <linux/bitops.h> +#include <linux/kexec.h> #include <asm/a.out.h> #include <asm/dma.h> @@ -67,7 +68,7 @@ max_pgt_pages(void) #ifndef CONFIG_NUMA node_free_pages = nr_free_pages(); #else - node_free_pages = nr_free_pages_pgdat(NODE_DATA(numa_node_id())); + node_free_pages = node_page_state(numa_node_id(), NR_FREE_PAGES); #endif max_pgt_pages = node_free_pages / PGT_FRACTION_OF_NODE_MEM; max_pgt_pages = max(max_pgt_pages, MIN_PGT_PAGES); @@ -128,6 +129,25 @@ lazy_mmu_prot_update (pte_t pte) set_bit(PG_arch_1, &page->flags); /* mark page as clean */ } +/* + * Since DMA is i-cache coherent, any (complete) pages that were written via + * DMA can be marked as "clean" so that lazy_mmu_prot_update() doesn't have to + * flush them when they get mapped into an executable vm-area. + */ +void +dma_mark_clean(void *addr, size_t size) +{ + unsigned long pg_addr, end; + + pg_addr = PAGE_ALIGN((unsigned long) addr); + end = (unsigned long) addr + size; + while (pg_addr + PAGE_SIZE <= end) { + struct page *page = virt_to_page(pg_addr); + set_bit(PG_arch_1, &page->flags); + pg_addr += PAGE_SIZE; + } +} + inline void ia64_set_rbs_bot (void) { @@ -156,9 +176,8 @@ ia64_init_addr_space (void) * the problem. When the process attempts to write to the register backing store * for the first time, it will get a SEGFAULT in this case. */ - vma = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL); + vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); if (vma) { - memset(vma, 0, sizeof(*vma)); vma->vm_mm = current->mm; vma->vm_start = current->thread.rbs_bot & PAGE_MASK; vma->vm_end = vma->vm_start + PAGE_SIZE; @@ -175,9 +194,8 @@ ia64_init_addr_space (void) /* map NaT-page at address zero to speed up speculative dereferencing of NULL: */ if (!(current->personality & MMAP_PAGE_ZERO)) { - vma = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL); + vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); if (vma) { - memset(vma, 0, sizeof(*vma)); vma->vm_mm = current->mm; vma->vm_end = PAGE_SIZE; vma->vm_page_prot = __pgprot(pgprot_val(PAGE_READONLY) | _PAGE_MA_NAT); @@ -595,13 +613,27 @@ find_largest_hole (u64 start, u64 end, void *arg) return 0; } +#endif /* CONFIG_VIRTUAL_MEM_MAP */ + int __init register_active_ranges(u64 start, u64 end, void *arg) { - add_active_range(0, __pa(start) >> PAGE_SHIFT, __pa(end) >> PAGE_SHIFT); + int nid = paddr_to_nid(__pa(start)); + + if (nid < 0) + nid = 0; +#ifdef CONFIG_KEXEC + if (start > crashk_res.start && start < crashk_res.end) + start = crashk_res.end; + if (end > crashk_res.start && end < crashk_res.end) + end = crashk_res.start; +#endif + + if (start < end) + add_active_range(nid, __pa(start) >> PAGE_SHIFT, + __pa(end) >> PAGE_SHIFT); return 0; } -#endif /* CONFIG_VIRTUAL_MEM_MAP */ static int __init count_reserved_pages (u64 start, u64 end, void *arg) diff --git a/arch/ia64/sn/kernel/huberror.c b/arch/ia64/sn/kernel/huberror.c index abca6bd7962..fcf7f93c4b6 100644 --- a/arch/ia64/sn/kernel/huberror.c +++ b/arch/ia64/sn/kernel/huberror.c @@ -3,7 +3,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 1992 - 1997, 2000,2002-2005 Silicon Graphics, Inc. All rights reserved. + * Copyright (C) 1992 - 1997, 2000,2002-2007 Silicon Graphics, Inc. All rights reserved. */ #include <linux/types.h> @@ -38,12 +38,20 @@ static irqreturn_t hub_eint_handler(int irq, void *arg) (u64) nasid, 0, 0, 0, 0, 0, 0); if ((int)ret_stuff.v0) - panic("hubii_eint_handler(): Fatal TIO Error"); + panic("%s: Fatal %s Error", __FUNCTION__, + ((nasid & 1) ? "TIO" : "HUBII")); if (!(nasid & 1)) /* Not a TIO, handle CRB errors */ (void)hubiio_crb_error_handler(hubdev_info); - } else - bte_error_handler((unsigned long)NODEPDA(nasid_to_cnodeid(nasid))); + } else + if (nasid & 1) { /* TIO errors */ + SAL_CALL_NOLOCK(ret_stuff, SN_SAL_HUB_ERROR_INTERRUPT, + (u64) nasid, 0, 0, 0, 0, 0, 0); + + if ((int)ret_stuff.v0) + panic("%s: Fatal TIO Error", __FUNCTION__); + } else + bte_error_handler((unsigned long)NODEPDA(nasid_to_cnodeid(nasid))); return IRQ_HANDLED; } diff --git a/arch/ia64/sn/kernel/io_acpi_init.c b/arch/ia64/sn/kernel/io_acpi_init.c index cb96b4ea7df..8c331ca6e5c 100644 --- a/arch/ia64/sn/kernel/io_acpi_init.c +++ b/arch/ia64/sn/kernel/io_acpi_init.c @@ -13,6 +13,7 @@ #include <asm/sn/sn_sal.h> #include "xtalk/hubdev.h" #include <linux/acpi.h> +#include <acpi/acnamesp.h> /* @@ -31,6 +32,12 @@ struct acpi_vendor_uuid sn_uuid = { 0xa2, 0x7c, 0x08, 0x00, 0x69, 0x13, 0xea, 0x51 }, }; +struct sn_pcidev_match { + u8 bus; + unsigned int devfn; + acpi_handle handle; +}; + /* * Perform the early IO init in PROM. */ @@ -119,9 +126,11 @@ sn_get_bussoft_ptr(struct pci_bus *bus) status = acpi_get_vendor_resource(handle, METHOD_NAME__CRS, &sn_uuid, &buffer); if (ACPI_FAILURE(status)) { - printk(KERN_ERR "get_acpi_pcibus_ptr: " - "get_acpi_bussoft_info() failed: %d\n", - status); + printk(KERN_ERR "%s: " + "acpi_get_vendor_resource() failed (0x%x) for: ", + __FUNCTION__, status); + acpi_ns_print_node_pathname(handle, NULL); + printk("\n"); return NULL; } resource = buffer.pointer; @@ -130,8 +139,8 @@ sn_get_bussoft_ptr(struct pci_bus *bus) if ((vendor->byte_length - sizeof(struct acpi_vendor_uuid)) != sizeof(struct pcibus_bussoft *)) { printk(KERN_ERR - "get_acpi_bussoft_ptr: Invalid vendor data " - "length %d\n", vendor->byte_length); + "%s: Invalid vendor data length %d\n", + __FUNCTION__, vendor->byte_length); kfree(buffer.pointer); return NULL; } @@ -143,34 +152,254 @@ sn_get_bussoft_ptr(struct pci_bus *bus) } /* - * sn_acpi_bus_fixup + * sn_extract_device_info - Extract the pcidev_info and the sn_irq_info + * pointers from the vendor resource using the + * provided acpi handle, and copy the structures + * into the argument buffers. */ -void -sn_acpi_bus_fixup(struct pci_bus *bus) +static int +sn_extract_device_info(acpi_handle handle, struct pcidev_info **pcidev_info, + struct sn_irq_info **sn_irq_info) { - struct pci_dev *pci_dev = NULL; - struct pcibus_bussoft *prom_bussoft_ptr; - extern void sn_common_bus_fixup(struct pci_bus *, - struct pcibus_bussoft *); + u64 addr; + struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; + struct sn_irq_info *irq_info, *irq_info_prom; + struct pcidev_info *pcidev_ptr, *pcidev_prom_ptr; + struct acpi_resource *resource; + int ret = 0; + acpi_status status; + struct acpi_resource_vendor_typed *vendor; - if (!bus->parent) { /* If root bus */ - prom_bussoft_ptr = sn_get_bussoft_ptr(bus); - if (prom_bussoft_ptr == NULL) { + /* + * The pointer to this device's pcidev_info structure in + * the PROM, is in the vendor resource. + */ + status = acpi_get_vendor_resource(handle, METHOD_NAME__CRS, + &sn_uuid, &buffer); + if (ACPI_FAILURE(status)) { + printk(KERN_ERR + "%s: acpi_get_vendor_resource() failed (0x%x) for: ", + __FUNCTION__, status); + acpi_ns_print_node_pathname(handle, NULL); + printk("\n"); + return 1; + } + + resource = buffer.pointer; + vendor = &resource->data.vendor_typed; + if ((vendor->byte_length - sizeof(struct acpi_vendor_uuid)) != + sizeof(struct pci_devdev_info *)) { + printk(KERN_ERR + "%s: Invalid vendor data length: %d for: ", + __FUNCTION__, vendor->byte_length); + acpi_ns_print_node_pathname(handle, NULL); + printk("\n"); + ret = 1; + goto exit; + } + + pcidev_ptr = kzalloc(sizeof(struct pcidev_info), GFP_KERNEL); + if (!pcidev_ptr) + panic("%s: Unable to alloc memory for pcidev_info", __FUNCTION__); + + memcpy(&addr, vendor->byte_data, sizeof(struct pcidev_info *)); + pcidev_prom_ptr = __va(addr); + memcpy(pcidev_ptr, pcidev_prom_ptr, sizeof(struct pcidev_info)); + + /* Get the IRQ info */ + irq_info = kzalloc(sizeof(struct sn_irq_info), GFP_KERNEL); + if (!irq_info) + panic("%s: Unable to alloc memory for sn_irq_info", __FUNCTION__); + + if (pcidev_ptr->pdi_sn_irq_info) { + irq_info_prom = __va(pcidev_ptr->pdi_sn_irq_info); + memcpy(irq_info, irq_info_prom, sizeof(struct sn_irq_info)); + } + + *pcidev_info = pcidev_ptr; + *sn_irq_info = irq_info; + +exit: + kfree(buffer.pointer); + return ret; +} + +static unsigned int +get_host_devfn(acpi_handle device_handle, acpi_handle rootbus_handle) +{ + unsigned long adr; + acpi_handle child; + unsigned int devfn; + int function; + acpi_handle parent; + int slot; + acpi_status status; + + /* + * Do an upward search to find the root bus device, and + * obtain the host devfn from the previous child device. + */ + child = device_handle; + while (child) { + status = acpi_get_parent(child, &parent); + if (ACPI_FAILURE(status)) { + printk(KERN_ERR "%s: acpi_get_parent() failed " + "(0x%x) for: ", __FUNCTION__, status); + acpi_ns_print_node_pathname(child, NULL); + printk("\n"); + panic("%s: Unable to find host devfn\n", __FUNCTION__); + } + if (parent == rootbus_handle) + break; + child = parent; + } + if (!child) { + printk(KERN_ERR "%s: Unable to find root bus for: ", + __FUNCTION__); + acpi_ns_print_node_pathname(device_handle, NULL); + printk("\n"); + BUG(); + } + + status = acpi_evaluate_integer(child, METHOD_NAME__ADR, NULL, &adr); + if (ACPI_FAILURE(status)) { + printk(KERN_ERR "%s: Unable to get _ADR (0x%x) for: ", + __FUNCTION__, status); + acpi_ns_print_node_pathname(child, NULL); + printk("\n"); + panic("%s: Unable to find host devfn\n", __FUNCTION__); + } + + slot = (adr >> 16) & 0xffff; + function = adr & 0xffff; + devfn = PCI_DEVFN(slot, function); + return devfn; +} + +/* + * find_matching_device - Callback routine to find the ACPI device + * that matches up with our pci_dev device. + * Matching is done on bus number and devfn. + * To find the bus number for a particular + * ACPI device, we must look at the _BBN method + * of its parent. + */ +static acpi_status +find_matching_device(acpi_handle handle, u32 lvl, void *context, void **rv) +{ + unsigned long bbn = -1; + unsigned long adr; + acpi_handle parent = NULL; + acpi_status status; + unsigned int devfn; + int function; + int slot; + struct sn_pcidev_match *info = context; + + status = acpi_evaluate_integer(handle, METHOD_NAME__ADR, NULL, + &adr); + if (ACPI_SUCCESS(status)) { + status = acpi_get_parent(handle, &parent); + if (ACPI_FAILURE(status)) { printk(KERN_ERR - "sn_pci_fixup_bus: 0x%04x:0x%02x Unable to " - "obtain prom_bussoft_ptr\n", - pci_domain_nr(bus), bus->number); - return; + "%s: acpi_get_parent() failed (0x%x) for: ", + __FUNCTION__, status); + acpi_ns_print_node_pathname(handle, NULL); + printk("\n"); + return AE_OK; + } + status = acpi_evaluate_integer(parent, METHOD_NAME__BBN, + NULL, &bbn); + if (ACPI_FAILURE(status)) { + printk(KERN_ERR + "%s: Failed to find _BBN in parent of: ", + __FUNCTION__); + acpi_ns_print_node_pathname(handle, NULL); + printk("\n"); + return AE_OK; + } + + slot = (adr >> 16) & 0xffff; + function = adr & 0xffff; + devfn = PCI_DEVFN(slot, function); + if ((info->devfn == devfn) && (info->bus == bbn)) { + /* We have a match! */ + info->handle = handle; + return 1; } - sn_common_bus_fixup(bus, prom_bussoft_ptr); } - list_for_each_entry(pci_dev, &bus->devices, bus_list) { - sn_pci_fixup_slot(pci_dev); + return AE_OK; +} + +/* + * sn_acpi_get_pcidev_info - Search ACPI namespace for the acpi + * device matching the specified pci_dev, + * and return the pcidev info and irq info. + */ +int +sn_acpi_get_pcidev_info(struct pci_dev *dev, struct pcidev_info **pcidev_info, + struct sn_irq_info **sn_irq_info) +{ + unsigned int host_devfn; + struct sn_pcidev_match pcidev_match; + acpi_handle rootbus_handle; + unsigned long segment; + acpi_status status; + + rootbus_handle = PCI_CONTROLLER(dev)->acpi_handle; + status = acpi_evaluate_integer(rootbus_handle, METHOD_NAME__SEG, NULL, + &segment); + if (ACPI_SUCCESS(status)) { + if (segment != pci_domain_nr(dev)) { + printk(KERN_ERR + "%s: Segment number mismatch, 0x%lx vs 0x%x for: ", + __FUNCTION__, segment, pci_domain_nr(dev)); + acpi_ns_print_node_pathname(rootbus_handle, NULL); + printk("\n"); + return 1; + } + } else { + printk(KERN_ERR "%s: Unable to get __SEG from: ", + __FUNCTION__); + acpi_ns_print_node_pathname(rootbus_handle, NULL); + printk("\n"); + return 1; + } + + /* + * We want to search all devices in this segment/domain + * of the ACPI namespace for the matching ACPI device, + * which holds the pcidev_info pointer in its vendor resource. + */ + pcidev_match.bus = dev->bus->number; + pcidev_match.devfn = dev->devfn; + pcidev_match.handle = NULL; + + acpi_walk_namespace(ACPI_TYPE_DEVICE, rootbus_handle, ACPI_UINT32_MAX, + find_matching_device, &pcidev_match, NULL); + + if (!pcidev_match.handle) { + printk(KERN_ERR + "%s: Could not find matching ACPI device for %s.\n", + __FUNCTION__, pci_name(dev)); + return 1; } + + if (sn_extract_device_info(pcidev_match.handle, pcidev_info, sn_irq_info)) + return 1; + + /* Build up the pcidev_info.pdi_slot_host_handle */ + host_devfn = get_host_devfn(pcidev_match.handle, rootbus_handle); + (*pcidev_info)->pdi_slot_host_handle = + ((unsigned long) pci_domain_nr(dev) << 40) | + /* bus == 0 */ + host_devfn; + return 0; } /* - * sn_acpi_slot_fixup - Perform any SN specific slot fixup. + * sn_acpi_slot_fixup - Obtain the pcidev_info and sn_irq_info. + * Perform any SN specific slot fixup. * At present there does not appear to be * any generic way to handle a ROM image * that has been shadowed by the PROM, so @@ -179,11 +408,18 @@ sn_acpi_bus_fixup(struct pci_bus *bus) */ void -sn_acpi_slot_fixup(struct pci_dev *dev, struct pcidev_info *pcidev_info) +sn_acpi_slot_fixup(struct pci_dev *dev) { void __iomem *addr; + struct pcidev_info *pcidev_info = NULL; + struct sn_irq_info *sn_irq_info = NULL; size_t size; + if (sn_acpi_get_pcidev_info(dev, &pcidev_info, &sn_irq_info)) { + panic("%s: Failure obtaining pcidev_info for %s\n", + __FUNCTION__, pci_name(dev)); + } + if (pcidev_info->pdi_pio_mapped_addr[PCI_ROM_RESOURCE]) { /* * A valid ROM image exists and has been shadowed by the @@ -200,8 +436,11 @@ sn_acpi_slot_fixup(struct pci_dev *dev, struct pcidev_info *pcidev_info) (unsigned long) addr + size; dev->resource[PCI_ROM_RESOURCE].flags |= IORESOURCE_ROM_BIOS_COPY; } + sn_pci_fixup_slot(dev, pcidev_info, sn_irq_info); } +EXPORT_SYMBOL(sn_acpi_slot_fixup); + static struct acpi_driver acpi_sn_hubdev_driver = { .name = "SGI HUBDEV Driver", .ids = "SGIHUB,SGITIO", @@ -212,6 +451,33 @@ static struct acpi_driver acpi_sn_hubdev_driver = { /* + * sn_acpi_bus_fixup - Perform SN specific setup of software structs + * (pcibus_bussoft, pcidev_info) and hardware + * registers, for the specified bus and devices under it. + */ +void +sn_acpi_bus_fixup(struct pci_bus *bus) +{ + struct pci_dev *pci_dev = NULL; + struct pcibus_bussoft *prom_bussoft_ptr; + + if (!bus->parent) { /* If root bus */ + prom_bussoft_ptr = sn_get_bussoft_ptr(bus); + if (prom_bussoft_ptr == NULL) { + printk(KERN_ERR + "%s: 0x%04x:0x%02x Unable to " + "obtain prom_bussoft_ptr\n", + __FUNCTION__, pci_domain_nr(bus), bus->number); + return; + } + sn_common_bus_fixup(bus, prom_bussoft_ptr); + } + list_for_each_entry(pci_dev, &bus->devices, bus_list) { + sn_acpi_slot_fixup(pci_dev); + } +} + +/* * sn_io_acpi_init - PROM has ACPI support for IO, defining at a minimum the * nodes and root buses in the DSDT. As a result, bus scanning * will be initiated by the Linux ACPI code. diff --git a/arch/ia64/sn/kernel/io_common.c b/arch/ia64/sn/kernel/io_common.c index d4dd8f4b6b8..d48bcd83253 100644 --- a/arch/ia64/sn/kernel/io_common.c +++ b/arch/ia64/sn/kernel/io_common.c @@ -26,14 +26,10 @@ #include <linux/acpi.h> #include <asm/sn/sn2/sn_hwperf.h> #include <asm/sn/acpi.h> +#include "acpi/acglobal.h" extern void sn_init_cpei_timer(void); extern void register_sn_procfs(void); -extern void sn_acpi_bus_fixup(struct pci_bus *); -extern void sn_bus_fixup(struct pci_bus *); -extern void sn_acpi_slot_fixup(struct pci_dev *, struct pcidev_info *); -extern void sn_more_slot_fixup(struct pci_dev *, struct pcidev_info *); -extern void sn_legacy_pci_window_fixup(struct pci_controller *, u64, u64); extern void sn_io_acpi_init(void); extern void sn_io_init(void); @@ -48,6 +44,9 @@ struct sysdata_el { int sn_ioif_inited; /* SN I/O infrastructure initialized? */ +int sn_acpi_rev; /* SN ACPI revision */ +EXPORT_SYMBOL_GPL(sn_acpi_rev); + struct sn_pcibus_provider *sn_pci_provider[PCIIO_ASIC_MAX_TYPES]; /* indexed by asic type */ /* @@ -99,25 +98,6 @@ sal_get_device_dmaflush_list(u64 nasid, u64 widget_num, u64 device_num, } /* - * Retrieve the pci device information given the bus and device|function number. - */ -static inline u64 -sal_get_pcidev_info(u64 segment, u64 bus_number, u64 devfn, u64 pci_dev, - u64 sn_irq_info) -{ - struct ia64_sal_retval ret_stuff; - ret_stuff.status = 0; - ret_stuff.v0 = 0; - - SAL_CALL_NOLOCK(ret_stuff, - (u64) SN_SAL_IOIF_GET_PCIDEV_INFO, - (u64) segment, (u64) bus_number, (u64) devfn, - (u64) pci_dev, - sn_irq_info, 0, 0); - return ret_stuff.v0; -} - -/* * sn_pcidev_info_get() - Retrieve the pcidev_info struct for the specified * device. */ @@ -249,50 +229,25 @@ void sn_pci_unfixup_slot(struct pci_dev *dev) } /* - * sn_pci_fixup_slot() - This routine sets up a slot's resources consistent - * with the Linux PCI abstraction layer. Resources - * acquired from our PCI provider include PIO maps - * to BAR space and interrupt objects. + * sn_pci_fixup_slot() */ -void sn_pci_fixup_slot(struct pci_dev *dev) +void sn_pci_fixup_slot(struct pci_dev *dev, struct pcidev_info *pcidev_info, + struct sn_irq_info *sn_irq_info) { int segment = pci_domain_nr(dev->bus); - int status = 0; struct pcibus_bussoft *bs; - struct pci_bus *host_pci_bus; - struct pci_dev *host_pci_dev; - struct pcidev_info *pcidev_info; - struct sn_irq_info *sn_irq_info; - unsigned int bus_no, devfn; + struct pci_bus *host_pci_bus; + struct pci_dev *host_pci_dev; + unsigned int bus_no, devfn; pci_dev_get(dev); /* for the sysdata pointer */ - pcidev_info = kzalloc(sizeof(struct pcidev_info), GFP_KERNEL); - if (!pcidev_info) - BUG(); /* Cannot afford to run out of memory */ - - sn_irq_info = kzalloc(sizeof(struct sn_irq_info), GFP_KERNEL); - if (!sn_irq_info) - BUG(); /* Cannot afford to run out of memory */ - - /* Call to retrieve pci device information needed by kernel. */ - status = sal_get_pcidev_info((u64) segment, (u64) dev->bus->number, - dev->devfn, - (u64) __pa(pcidev_info), - (u64) __pa(sn_irq_info)); - if (status) - BUG(); /* Cannot get platform pci device information */ /* Add pcidev_info to list in pci_controller.platform_data */ list_add_tail(&pcidev_info->pdi_list, &(SN_PLATFORM_DATA(dev->bus)->pcidev_info)); - - if (SN_ACPI_BASE_SUPPORT()) - sn_acpi_slot_fixup(dev, pcidev_info); - else - sn_more_slot_fixup(dev, pcidev_info); /* * Using the PROMs values for the PCI host bus, get the Linux - * PCI host_pci_dev struct and set up host bus linkages + * PCI host_pci_dev struct and set up host bus linkages */ bus_no = (pcidev_info->pdi_slot_host_handle >> 32) & 0xff; @@ -489,11 +444,6 @@ void sn_generate_path(struct pci_bus *pci_bus, char *address) sprintf(address, "%s^%d", address, geo_slot(geoid)); } -/* - * sn_pci_fixup_bus() - Perform SN specific setup of software structs - * (pcibus_bussoft, pcidev_info) and hardware - * registers, for the specified bus and devices under it. - */ void __devinit sn_pci_fixup_bus(struct pci_bus *bus) { @@ -519,6 +469,15 @@ sn_io_early_init(void) if (!ia64_platform_is("sn2") || IS_RUNNING_ON_FAKE_PROM()) return 0; + /* we set the acpi revision to that of the DSDT table OEM rev. */ + { + struct acpi_table_header *header = NULL; + + acpi_get_table_by_index(ACPI_TABLE_INDEX_DSDT, &header); + BUG_ON(header == NULL); + sn_acpi_rev = header->oem_revision; + } + /* * prime sn_pci_provider[]. Individial provider init routines will * override their respective default entries. @@ -544,8 +503,12 @@ sn_io_early_init(void) register_sn_procfs(); #endif - printk(KERN_INFO "ACPI DSDT OEM Rev 0x%x\n", - acpi_gbl_DSDT->oem_revision); + { + struct acpi_table_header *header; + (void)acpi_get_table_by_index(ACPI_TABLE_INDEX_DSDT, &header); + printk(KERN_INFO "ACPI DSDT OEM Rev 0x%x\n", + header->oem_revision); + } if (SN_ACPI_BASE_SUPPORT()) sn_io_acpi_init(); else @@ -605,7 +568,6 @@ sn_io_late_init(void) fs_initcall(sn_io_late_init); -EXPORT_SYMBOL(sn_pci_fixup_slot); EXPORT_SYMBOL(sn_pci_unfixup_slot); EXPORT_SYMBOL(sn_bus_store_sysdata); EXPORT_SYMBOL(sn_bus_free_sysdata); diff --git a/arch/ia64/sn/kernel/io_init.c b/arch/ia64/sn/kernel/io_init.c index 9ad843e0383..600be3ebae0 100644 --- a/arch/ia64/sn/kernel/io_init.c +++ b/arch/ia64/sn/kernel/io_init.c @@ -56,6 +56,25 @@ static inline u64 sal_get_pcibus_info(u64 segment, u64 busnum, u64 address) return ret_stuff.v0; } +/* + * Retrieve the pci device information given the bus and device|function number. + */ +static inline u64 +sal_get_pcidev_info(u64 segment, u64 bus_number, u64 devfn, u64 pci_dev, + u64 sn_irq_info) +{ + struct ia64_sal_retval ret_stuff; + ret_stuff.status = 0; + ret_stuff.v0 = 0; + + SAL_CALL_NOLOCK(ret_stuff, + (u64) SN_SAL_IOIF_GET_PCIDEV_INFO, + (u64) segment, (u64) bus_number, (u64) devfn, + (u64) pci_dev, + sn_irq_info, 0, 0); + return ret_stuff.v0; +} + /* * sn_fixup_ionodes() - This routine initializes the HUB data structure for @@ -172,18 +191,40 @@ sn_pci_window_fixup(struct pci_dev *dev, unsigned int count, } /* - * sn_more_slot_fixup() - We are not running with an ACPI capable PROM, + * sn_io_slot_fixup() - We are not running with an ACPI capable PROM, * and need to convert the pci_dev->resource * 'start' and 'end' addresses to mapped addresses, * and setup the pci_controller->window array entries. */ void -sn_more_slot_fixup(struct pci_dev *dev, struct pcidev_info *pcidev_info) +sn_io_slot_fixup(struct pci_dev *dev) { unsigned int count = 0; int idx; s64 pci_addrs[PCI_ROM_RESOURCE + 1]; unsigned long addr, end, size, start; + struct pcidev_info *pcidev_info; + struct sn_irq_info *sn_irq_info; + int status; + + pcidev_info = kzalloc(sizeof(struct pcidev_info), GFP_KERNEL); + if (!pcidev_info) + panic("%s: Unable to alloc memory for pcidev_info", __FUNCTION__); + + sn_irq_info = kzalloc(sizeof(struct sn_irq_info), GFP_KERNEL); + if (!sn_irq_info) + panic("%s: Unable to alloc memory for sn_irq_info", __FUNCTION__); + + /* Call to retrieve pci device information needed by kernel. */ + status = sal_get_pcidev_info((u64) pci_domain_nr(dev), + (u64) dev->bus->number, + dev->devfn, + (u64) __pa(pcidev_info), + (u64) __pa(sn_irq_info)); + + if (status) + BUG(); /* Cannot get platform pci device information */ + /* Copy over PIO Mapped Addresses */ for (idx = 0; idx <= PCI_ROM_RESOURCE; idx++) { @@ -219,8 +260,12 @@ sn_more_slot_fixup(struct pci_dev *dev, struct pcidev_info *pcidev_info) */ if (count > 0) sn_pci_window_fixup(dev, count, pci_addrs); + + sn_pci_fixup_slot(dev, pcidev_info, sn_irq_info); } +EXPORT_SYMBOL(sn_io_slot_fixup); + /* * sn_pci_controller_fixup() - This routine sets up a bus's resources * consistent with the Linux PCI abstraction layer. @@ -272,9 +317,6 @@ sn_bus_fixup(struct pci_bus *bus) { struct pci_dev *pci_dev = NULL; struct pcibus_bussoft *prom_bussoft_ptr; - extern void sn_common_bus_fixup(struct pci_bus *, - struct pcibus_bussoft *); - if (!bus->parent) { /* If root bus */ prom_bussoft_ptr = PCI_CONTROLLER(bus)->platform_data; @@ -291,7 +333,7 @@ sn_bus_fixup(struct pci_bus *bus) prom_bussoft_ptr->bs_legacy_mem); } list_for_each_entry(pci_dev, &bus->devices, bus_list) { - sn_pci_fixup_slot(pci_dev); + sn_io_slot_fixup(pci_dev); } } diff --git a/arch/ia64/sn/kernel/iomv.c b/arch/ia64/sn/kernel/iomv.c index 4aa4f301d56..ab7e2fd4079 100644 --- a/arch/ia64/sn/kernel/iomv.c +++ b/arch/ia64/sn/kernel/iomv.c @@ -1,4 +1,4 @@ -/* +/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. @@ -26,9 +26,10 @@ * @port: port to convert * * Legacy in/out instructions are converted to ld/st instructions - * on IA64. This routine will convert a port number into a valid + * on IA64. This routine will convert a port number into a valid * SN i/o address. Used by sn_in*() and sn_out*(). */ + void *sn_io_addr(unsigned long port) { if (!IS_RUNNING_ON_SIMULATOR()) { diff --git a/arch/ia64/sn/kernel/msi_sn.c b/arch/ia64/sn/kernel/msi_sn.c index b3a435fd70f..ea3dc38d73f 100644 --- a/arch/ia64/sn/kernel/msi_sn.c +++ b/arch/ia64/sn/kernel/msi_sn.c @@ -59,13 +59,12 @@ void sn_teardown_msi_irq(unsigned int irq) sn_intr_free(nasid, widget, sn_irq_info); sn_msi_info[irq].sn_irq_info = NULL; - return; + destroy_irq(irq); } -int sn_setup_msi_irq(unsigned int irq, struct pci_dev *pdev) +int sn_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *entry) { struct msi_msg msg; - struct msi_desc *entry; int widget; int status; nasid_t nasid; @@ -73,8 +72,8 @@ int sn_setup_msi_irq(unsigned int irq, struct pci_dev *pdev) struct sn_irq_info *sn_irq_info; struct pcibus_bussoft *bussoft = SN_PCIDEV_BUSSOFT(pdev); struct sn_pcibus_provider *provider = SN_PCIDEV_BUSPROVIDER(pdev); + int irq; - entry = get_irq_data(irq); if (!entry->msi_attrib.is_64) return -EINVAL; @@ -84,6 +83,11 @@ int sn_setup_msi_irq(unsigned int irq, struct pci_dev *pdev) if (provider == NULL || provider->dma_map_consistent == NULL) return -EINVAL; + irq = create_irq(); + if (irq < 0) + return irq; + + set_irq_msi(irq, entry); /* * Set up the vector plumbing. Let the prom (via sn_intr_alloc) * decide which cpu to direct this msi at by default. @@ -95,12 +99,15 @@ int sn_setup_msi_irq(unsigned int irq, struct pci_dev *pdev) SWIN_WIDGETNUM(bussoft->bs_base); sn_irq_info = kzalloc(sizeof(struct sn_irq_info), GFP_KERNEL); - if (! sn_irq_info) + if (! sn_irq_info) { + destroy_irq(irq); return -ENOMEM; + } status = sn_intr_alloc(nasid, widget, sn_irq_info, irq, -1, -1); if (status) { kfree(sn_irq_info); + destroy_irq(irq); return -ENOMEM; } @@ -121,6 +128,7 @@ int sn_setup_msi_irq(unsigned int irq, struct pci_dev *pdev) if (! bus_addr) { sn_intr_free(nasid, widget, sn_irq_info); kfree(sn_irq_info); + destroy_irq(irq); return -ENOMEM; } @@ -139,7 +147,7 @@ int sn_setup_msi_irq(unsigned int irq, struct pci_dev *pdev) write_msi_msg(irq, &msg); set_irq_chip_and_handler(irq, &sn_msi_chip, handle_edge_irq); - return 0; + return irq; } #ifdef CONFIG_SMP diff --git a/arch/ia64/sn/kernel/sn2/sn2_smp.c b/arch/ia64/sn/kernel/sn2/sn2_smp.c index d9d306c79f2..601747b1e22 100644 --- a/arch/ia64/sn/kernel/sn2/sn2_smp.c +++ b/arch/ia64/sn/kernel/sn2/sn2_smp.c @@ -455,7 +455,7 @@ static int sn2_ptc_proc_open(struct inode *inode, struct file *file) return seq_open(file, &sn2_ptc_seq_ops); } -static struct file_operations proc_sn2_ptc_operations = { +static const struct file_operations proc_sn2_ptc_operations = { .open = sn2_ptc_proc_open, .read = seq_read, .llseek = seq_lseek, diff --git a/arch/ia64/sn/kernel/sn2/sn_hwperf.c b/arch/ia64/sn/kernel/sn2/sn_hwperf.c index 33367996d72..6da9854751c 100644 --- a/arch/ia64/sn/kernel/sn2/sn_hwperf.c +++ b/arch/ia64/sn/kernel/sn2/sn_hwperf.c @@ -865,7 +865,7 @@ error: return r; } -static struct file_operations sn_hwperf_fops = { +static const struct file_operations sn_hwperf_fops = { .ioctl = sn_hwperf_ioctl, }; diff --git a/arch/ia64/sn/kernel/sn2/sn_proc_fs.c b/arch/ia64/sn/kernel/sn2/sn_proc_fs.c index 43ddc2eccb9..62b3e9a496a 100644 --- a/arch/ia64/sn/kernel/sn2/sn_proc_fs.c +++ b/arch/ia64/sn/kernel/sn2/sn_proc_fs.c @@ -89,61 +89,80 @@ static int coherence_id_open(struct inode *inode, struct file *file) return single_open(file, coherence_id_show, NULL); } -static struct proc_dir_entry -*sn_procfs_create_entry(const char *name, struct proc_dir_entry *parent, - int (*openfunc)(struct inode *, struct file *), - int (*releasefunc)(struct inode *, struct file *), - ssize_t (*write) (struct file *, const char __user *, size_t, loff_t *)) -{ - struct proc_dir_entry *e = create_proc_entry(name, 0444, parent); - - if (e) { - struct file_operations *f; - - f = kzalloc(sizeof(*f), GFP_KERNEL); - if (f) { - f->open = openfunc; - f->read = seq_read; - f->llseek = seq_lseek; - f->release = releasefunc; - f->write = write; - e->proc_fops = f; - } - } - - return e; -} - /* /proc/sgi_sn/sn_topology uses seq_file, see sn_hwperf.c */ extern int sn_topology_open(struct inode *, struct file *); extern int sn_topology_release(struct inode *, struct file *); +static const struct file_operations proc_partition_id_fops = { + .open = partition_id_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static const struct file_operations proc_system_sn_fops = { + .open = system_serial_number_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static const struct file_operations proc_license_id_fops = { + .open = licenseID_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static const struct file_operations proc_sn_force_intr_fops = { + .open = sn_force_interrupt_open, + .read = seq_read, + .write = sn_force_interrupt_write_proc, + .llseek = seq_lseek, + .release = single_release, +}; + +static const struct file_operations proc_coherence_id_fops = { + .open = coherence_id_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static const struct file_operations proc_sn_topo_fops = { + .open = sn_topology_open, + .read = seq_read, + .llseek = seq_lseek, + .release = sn_topology_release, +}; + void register_sn_procfs(void) { static struct proc_dir_entry *sgi_proc_dir = NULL; + struct proc_dir_entry *pde; BUG_ON(sgi_proc_dir != NULL); if (!(sgi_proc_dir = proc_mkdir("sgi_sn", NULL))) return; - sn_procfs_create_entry("partition_id", sgi_proc_dir, - partition_id_open, single_release, NULL); - - sn_procfs_create_entry("system_serial_number", sgi_proc_dir, - system_serial_number_open, single_release, NULL); - - sn_procfs_create_entry("licenseID", sgi_proc_dir, - licenseID_open, single_release, NULL); - - sn_procfs_create_entry("sn_force_interrupt", sgi_proc_dir, - sn_force_interrupt_open, single_release, - sn_force_interrupt_write_proc); - - sn_procfs_create_entry("coherence_id", sgi_proc_dir, - coherence_id_open, single_release, NULL); - - sn_procfs_create_entry("sn_topology", sgi_proc_dir, - sn_topology_open, sn_topology_release, NULL); + pde = create_proc_entry("partition_id", 0444, sgi_proc_dir); + if (pde) + pde->proc_fops = &proc_partition_id_fops; + pde = create_proc_entry("system_serial_number", 0444, sgi_proc_dir); + if (pde) + pde->proc_fops = &proc_system_sn_fops; + pde = create_proc_entry("licenseID", 0444, sgi_proc_dir); + if (pde) + pde->proc_fops = &proc_license_id_fops; + pde = create_proc_entry("sn_force_interrupt", 0644, sgi_proc_dir); + if (pde) + pde->proc_fops = &proc_sn_force_intr_fops; + pde = create_proc_entry("coherence_id", 0444, sgi_proc_dir); + if (pde) + pde->proc_fops = &proc_coherence_id_fops; + pde = create_proc_entry("sn_topology", 0444, sgi_proc_dir); + if (pde) + pde->proc_fops = &proc_sn_topo_fops; } #endif /* CONFIG_PROC_FS */ diff --git a/arch/ia64/sn/pci/pcibr/pcibr_provider.c b/arch/ia64/sn/pci/pcibr/pcibr_provider.c index 6846dc9b432..04a8256017e 100644 --- a/arch/ia64/sn/pci/pcibr/pcibr_provider.c +++ b/arch/ia64/sn/pci/pcibr/pcibr_provider.c @@ -20,7 +20,8 @@ #include "xtalk/hubdev.h" int -sal_pcibr_slot_enable(struct pcibus_info *soft, int device, void *resp) +sal_pcibr_slot_enable(struct pcibus_info *soft, int device, void *resp, + char **ssdt) { struct ia64_sal_retval ret_stuff; u64 busnum; @@ -32,7 +33,8 @@ sal_pcibr_slot_enable(struct pcibus_info *soft, int device, void *resp) segment = soft->pbi_buscommon.bs_persist_segment; busnum = soft->pbi_buscommon.bs_persist_busnum; SAL_CALL_NOLOCK(ret_stuff, (u64) SN_SAL_IOIF_SLOT_ENABLE, segment, - busnum, (u64) device, (u64) resp, 0, 0, 0); + busnum, (u64) device, (u64) resp, (u64)ia64_tpa(ssdt), + 0, 0); return (int)ret_stuff.v0; } diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig index f383dab973f..9740d6b8ae1 100644 --- a/arch/m32r/Kconfig +++ b/arch/m32r/Kconfig @@ -16,6 +16,10 @@ config GENERIC_ISA_DMA bool default y +config ZONE_DMA + bool + default y + config GENERIC_HARDIRQS bool default y @@ -24,6 +28,9 @@ config GENERIC_IRQ_PROBE bool default y +config NO_IOPORT + def_bool y + source "init/Kconfig" diff --git a/arch/m32r/Makefile b/arch/m32r/Makefile index f219c47d334..cdf63b210c5 100644 --- a/arch/m32r/Makefile +++ b/arch/m32r/Makefile @@ -7,7 +7,7 @@ LDFLAGS := OBJCOPYFLAGS := -O binary -R .note -R .comment -S -LDFLAGS_vmlinux := -e startup_32 +LDFLAGS_vmlinux := CFLAGS += -pipe -fno-schedule-insns CFLAGS_KERNEL += -mmodel=medium diff --git a/arch/m32r/defconfig b/arch/m32r/defconfig index 85309309316..13579917afe 100644 --- a/arch/m32r/defconfig +++ b/arch/m32r/defconfig @@ -1,20 +1,18 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.12-rc5 -# Fri Jun 3 16:20:11 2005 +# Linux kernel version: 2.6.19 +# Tue Dec 12 17:52:38 2006 # CONFIG_M32R=y -# CONFIG_UID16 is not set CONFIG_GENERIC_ISA_DMA=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" # # Code maturity level options # CONFIG_EXPERIMENTAL=y -CONFIG_CLEAN_COMPILE=y -CONFIG_BROKEN_ON_SMP=y CONFIG_LOCK_KERNEL=y CONFIG_INIT_ENV_ARG_LIMIT=32 @@ -22,32 +20,40 @@ CONFIG_INIT_ENV_ARG_LIMIT=32 # General setup # CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y CONFIG_SWAP=y CONFIG_SYSVIPC=y +# CONFIG_IPC_NS is not set # CONFIG_POSIX_MQUEUE is not set CONFIG_BSD_PROCESS_ACCT=y # CONFIG_BSD_PROCESS_ACCT_V3 is not set -CONFIG_SYSCTL=y +# CONFIG_TASKSTATS is not set +# CONFIG_UTS_NS is not set # CONFIG_AUDIT is not set -CONFIG_HOTPLUG=y -CONFIG_KOBJECT_UEVENT=y CONFIG_IKCONFIG=y -# CONFIG_IKCONFIG_PROC is not set +CONFIG_IKCONFIG_PROC=y +# CONFIG_CPUSETS is not set +CONFIG_SYSFS_DEPRECATED=y +# CONFIG_RELAY is not set +CONFIG_INITRAMFS_SOURCE="" +# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set +CONFIG_SYSCTL=y CONFIG_EMBEDDED=y +CONFIG_SYSCTL_SYSCALL=y # CONFIG_KALLSYMS is not set +CONFIG_HOTPLUG=y CONFIG_PRINTK=y CONFIG_BUG=y +CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y # CONFIG_FUTEX is not set # CONFIG_EPOLL is not set -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_SHMEM=y -CONFIG_CC_ALIGN_FUNCTIONS=0 -CONFIG_CC_ALIGN_LABELS=0 -CONFIG_CC_ALIGN_LOOPS=0 -CONFIG_CC_ALIGN_JUMPS=0 +CONFIG_SLAB=y +CONFIG_VM_EVENT_COUNTERS=y # CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 +# CONFIG_SLOB is not set # # Loadable module support @@ -55,10 +61,29 @@ CONFIG_BASE_SMALL=0 CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y # CONFIG_MODULE_FORCE_UNLOAD is not set -CONFIG_OBSOLETE_MODPARM=y # CONFIG_MODVERSIONS is not set # CONFIG_MODULE_SRCVERSION_ALL is not set CONFIG_KMOD=y +CONFIG_STOP_MACHINE=y + +# +# Block layer +# +CONFIG_BLOCK=y +# CONFIG_BLK_DEV_IO_TRACE is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +# CONFIG_IOSCHED_AS is not set +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +# CONFIG_DEFAULT_AS is not set +# CONFIG_DEFAULT_DEADLINE is not set +CONFIG_DEFAULT_CFQ=y +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="cfq" # # Processor type and features @@ -70,8 +95,10 @@ CONFIG_PLAT_M32700UT=y # CONFIG_PLAT_OAKS32R is not set # CONFIG_PLAT_MAPPI2 is not set # CONFIG_PLAT_MAPPI3 is not set +# CONFIG_PLAT_M32104UT is not set CONFIG_CHIP_M32700=y # CONFIG_CHIP_M32102 is not set +# CONFIG_CHIP_M32104 is not set # CONFIG_CHIP_VDEC2 is not set # CONFIG_CHIP_OPSP is not set CONFIG_MMU=y @@ -85,34 +112,39 @@ CONFIG_TIMER_DIVIDE=128 CONFIG_MEMORY_START=0x08000000 CONFIG_MEMORY_SIZE=0x01000000 CONFIG_NOHIGHMEM=y -# CONFIG_DISCONTIGMEM is not set +CONFIG_ARCH_DISCONTIGMEM_ENABLE=y +CONFIG_SELECT_MEMORY_MODEL=y +# CONFIG_FLATMEM_MANUAL is not set +CONFIG_DISCONTIGMEM_MANUAL=y +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_DISCONTIGMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +CONFIG_NEED_MULTIPLE_NODES=y +# CONFIG_SPARSEMEM_STATIC is not set +CONFIG_SPLIT_PTLOCK_CPUS=4 +# CONFIG_RESOURCES_64BIT is not set +CONFIG_IRAM_START=0x00f00000 +CONFIG_IRAM_SIZE=0x00080000 CONFIG_RWSEM_GENERIC_SPINLOCK=y # CONFIG_RWSEM_XCHGADD_ALGORITHM is not set +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_PREEMPT=y -# CONFIG_HAVE_DEC_LOCK is not set -# CONFIG_SMP is not set +CONFIG_SMP=y +# CONFIG_CHIP_M32700_TS1 is not set +CONFIG_NR_CPUS=2 +CONFIG_NODES_SHIFT=1 # # Bus options (PCI, PCMCIA, EISA, MCA, ISA) # -# CONFIG_PCI is not set # CONFIG_ISA is not set # # PCCARD (PCMCIA/CardBus) support # -CONFIG_PCCARD=y -# CONFIG_PCMCIA_DEBUG is not set -CONFIG_PCMCIA=y - -# -# PC-card bridges -# -# CONFIG_TCIC is not set -# CONFIG_M32R_PCC is not set -CONFIG_M32R_CFC=y -CONFIG_M32R_CFC_NUM=1 +# CONFIG_PCCARD is not set # # PCI Hotplug Support @@ -125,6 +157,94 @@ CONFIG_BINFMT_ELF=y # CONFIG_BINFMT_MISC is not set # +# Networking +# +CONFIG_NET=y + +# +# Networking options +# +# CONFIG_NETDEBUG is not set +CONFIG_PACKET=y +# CONFIG_PACKET_MMAP is not set +CONFIG_UNIX=y +CONFIG_XFRM=y +# CONFIG_XFRM_USER is not set +# CONFIG_XFRM_SUB_POLICY is not set +# CONFIG_NET_KEY is not set +CONFIG_INET=y +# CONFIG_IP_MULTICAST is not set +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +# CONFIG_IP_PNP_BOOTP is not set +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_ARPD is not set +# CONFIG_SYN_COOKIES is not set +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +# CONFIG_INET_TUNNEL is not set +CONFIG_INET_XFRM_MODE_TRANSPORT=y +CONFIG_INET_XFRM_MODE_TUNNEL=y +CONFIG_INET_XFRM_MODE_BEET=y +CONFIG_INET_DIAG=y +CONFIG_INET_TCP_DIAG=y +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set +# CONFIG_IPV6 is not set +# CONFIG_INET6_XFRM_TUNNEL is not set +# CONFIG_INET6_TUNNEL is not set +# CONFIG_NETWORK_SECMARK is not set +# CONFIG_NETFILTER is not set + +# +# DCCP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_DCCP is not set + +# +# SCTP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_SCTP is not set + +# +# TIPC Configuration (EXPERIMENTAL) +# +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set + +# +# QoS and/or fair queueing +# +# CONFIG_NET_SCHED is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_HAMRADIO is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_IEEE80211 is not set + +# # Device Drivers # @@ -133,12 +253,100 @@ CONFIG_BINFMT_ELF=y # CONFIG_STANDALONE=y CONFIG_PREVENT_FIRMWARE_BUILD=y -# CONFIG_FW_LOADER is not set +CONFIG_FW_LOADER=y +# CONFIG_SYS_HYPERVISOR is not set + +# +# Connector - unified userspace <-> kernelspace linker +# +# CONFIG_CONNECTOR is not set # # Memory Technology Devices (MTD) # -# CONFIG_MTD is not set +CONFIG_MTD=y +# CONFIG_MTD_DEBUG is not set +# CONFIG_MTD_CONCAT is not set +CONFIG_MTD_PARTITIONS=y +CONFIG_MTD_REDBOOT_PARTS=y +CONFIG_MTD_REDBOOT_DIRECTORY_BLOCK=-1 +# CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED is not set +# CONFIG_MTD_REDBOOT_PARTS_READONLY is not set +# CONFIG_MTD_CMDLINE_PARTS is not set + +# +# User Modules And Translation Layers +# +# CONFIG_MTD_CHAR is not set +CONFIG_MTD_BLOCK=y +# CONFIG_FTL is not set +# CONFIG_NFTL is not set +# CONFIG_INFTL is not set +# CONFIG_RFD_FTL is not set +# CONFIG_SSFDC is not set + +# +# RAM/ROM/Flash chip drivers +# +CONFIG_MTD_CFI=m +CONFIG_MTD_JEDECPROBE=m +CONFIG_MTD_GEN_PROBE=m +CONFIG_MTD_CFI_ADV_OPTIONS=y +# CONFIG_MTD_CFI_NOSWAP is not set +CONFIG_MTD_CFI_BE_BYTE_SWAP=y +# CONFIG_MTD_CFI_LE_BYTE_SWAP is not set +CONFIG_MTD_CFI_GEOMETRY=y +CONFIG_MTD_MAP_BANK_WIDTH_1=y +CONFIG_MTD_MAP_BANK_WIDTH_2=y +CONFIG_MTD_MAP_BANK_WIDTH_4=y +# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set +CONFIG_MTD_CFI_I1=y +# CONFIG_MTD_CFI_I2 is not set +# CONFIG_MTD_CFI_I4 is not set +# CONFIG_MTD_CFI_I8 is not set +# CONFIG_MTD_OTP is not set +# CONFIG_MTD_CFI_INTELEXT is not set +CONFIG_MTD_CFI_AMDSTD=m +# CONFIG_MTD_CFI_STAA is not set +CONFIG_MTD_CFI_UTIL=m +# CONFIG_MTD_RAM is not set +# CONFIG_MTD_ROM is not set +# CONFIG_MTD_ABSENT is not set +# CONFIG_MTD_OBSOLETE_CHIPS is not set + +# +# Mapping drivers for chip access +# +# CONFIG_MTD_COMPLEX_MAPPINGS is not set +# CONFIG_MTD_PHYSMAP is not set +# CONFIG_MTD_PLATRAM is not set + +# +# Self-contained MTD device drivers +# +# CONFIG_MTD_SLRAM is not set +# CONFIG_MTD_PHRAM is not set +# CONFIG_MTD_MTDRAM is not set +# CONFIG_MTD_BLOCK2MTD is not set + +# +# Disk-On-Chip Device Drivers +# +# CONFIG_MTD_DOC2000 is not set +# CONFIG_MTD_DOC2001 is not set +# CONFIG_MTD_DOC2001PLUS is not set + +# +# NAND Flash Device Drivers +# +# CONFIG_MTD_NAND is not set + +# +# OneNAND Flash Device Drivers +# +# CONFIG_MTD_ONENAND is not set # # Parallel port support @@ -152,7 +360,6 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # # Block devices # -# CONFIG_BLK_DEV_FD is not set # CONFIG_BLK_DEV_COW_COMMON is not set CONFIG_BLK_DEV_LOOP=y # CONFIG_BLK_DEV_CRYPTOLOOP is not set @@ -160,23 +367,21 @@ CONFIG_BLK_DEV_NBD=y CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_COUNT=16 CONFIG_BLK_DEV_RAM_SIZE=4096 +CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 # CONFIG_BLK_DEV_INITRD is not set -CONFIG_INITRAMFS_SOURCE="" # CONFIG_CDROM_PKTCDVD is not set +CONFIG_ATA_OVER_ETH=m # -# IO Schedulers +# Misc devices # -CONFIG_IOSCHED_NOOP=y -# CONFIG_IOSCHED_AS is not set -CONFIG_IOSCHED_DEADLINE=y -CONFIG_IOSCHED_CFQ=y -# CONFIG_ATA_OVER_ETH is not set +# CONFIG_TIFM_CORE is not set # # ATA/ATAPI/MFM/RLL support # CONFIG_IDE=y +CONFIG_IDE_MAX_HWIFS=4 CONFIG_BLK_DEV_IDE=y # @@ -185,7 +390,6 @@ CONFIG_BLK_DEV_IDE=y # CONFIG_BLK_DEV_IDE_SATA is not set CONFIG_BLK_DEV_IDEDISK=y # CONFIG_IDEDISK_MULTI_MODE is not set -CONFIG_BLK_DEV_IDECS=y CONFIG_BLK_DEV_IDECD=m # CONFIG_BLK_DEV_IDETAPE is not set # CONFIG_BLK_DEV_IDEFLOPPY is not set @@ -204,7 +408,9 @@ CONFIG_IDE_GENERIC=y # # SCSI device support # +# CONFIG_RAID_ATTRS is not set CONFIG_SCSI=m +# CONFIG_SCSI_NETLINK is not set CONFIG_SCSI_PROC_FS=y # @@ -216,6 +422,7 @@ CONFIG_BLK_DEV_SD=m CONFIG_BLK_DEV_SR=m # CONFIG_BLK_DEV_SR_VENDOR is not set CONFIG_CHR_DEV_SG=m +# CONFIG_CHR_DEV_SCH is not set # # Some SCSI devices (e.g. CD jukebox) support multiple LUNs @@ -225,26 +432,23 @@ CONFIG_SCSI_MULTI_LUN=y # CONFIG_SCSI_LOGGING is not set # -# SCSI Transport Attributes +# SCSI Transports # # CONFIG_SCSI_SPI_ATTRS is not set # CONFIG_SCSI_FC_ATTRS is not set # CONFIG_SCSI_ISCSI_ATTRS is not set +# CONFIG_SCSI_SAS_ATTRS is not set +# CONFIG_SCSI_SAS_LIBSAS is not set # # SCSI low-level drivers # -# CONFIG_SCSI_SATA is not set +# CONFIG_ISCSI_TCP is not set # CONFIG_SCSI_DEBUG is not set # -# PCMCIA SCSI adapter support +# Serial ATA (prod) and Parallel ATA (experimental) drivers # -# CONFIG_PCMCIA_AHA152X is not set -# CONFIG_PCMCIA_FDOMAIN is not set -# CONFIG_PCMCIA_NINJA_SCSI is not set -# CONFIG_PCMCIA_QLOGIC is not set -# CONFIG_PCMCIA_SYM53C500 is not set # # Multi-device support (RAID and LVM) @@ -254,6 +458,7 @@ CONFIG_SCSI_MULTI_LUN=y # # Fusion MPT device support # +# CONFIG_FUSION is not set # # IEEE 1394 (FireWire) support @@ -264,69 +469,8 @@ CONFIG_SCSI_MULTI_LUN=y # # -# Networking support -# -CONFIG_NET=y - -# -# Networking options -# -CONFIG_PACKET=y -# CONFIG_PACKET_MMAP is not set -CONFIG_UNIX=y -# CONFIG_NET_KEY is not set -CONFIG_INET=y -# CONFIG_IP_MULTICAST is not set -# CONFIG_IP_ADVANCED_ROUTER is not set -CONFIG_IP_PNP=y -CONFIG_IP_PNP_DHCP=y -# CONFIG_IP_PNP_BOOTP is not set -# CONFIG_IP_PNP_RARP is not set -# CONFIG_NET_IPIP is not set -# CONFIG_NET_IPGRE is not set -# CONFIG_ARPD is not set -# CONFIG_SYN_COOKIES is not set -# CONFIG_INET_AH is not set -# CONFIG_INET_ESP is not set -# CONFIG_INET_IPCOMP is not set -# CONFIG_INET_TUNNEL is not set -CONFIG_IP_TCPDIAG=y -# CONFIG_IP_TCPDIAG_IPV6 is not set -# CONFIG_IPV6 is not set -# CONFIG_NETFILTER is not set - -# -# SCTP Configuration (EXPERIMENTAL) -# -# CONFIG_IP_SCTP is not set -# CONFIG_ATM is not set -# CONFIG_BRIDGE is not set -# CONFIG_VLAN_8021Q is not set -# CONFIG_DECNET is not set -# CONFIG_LLC2 is not set -# CONFIG_IPX is not set -# CONFIG_ATALK is not set -# CONFIG_X25 is not set -# CONFIG_LAPB is not set -# CONFIG_NET_DIVERT is not set -# CONFIG_ECONET is not set -# CONFIG_WAN_ROUTER is not set - -# -# QoS and/or fair queueing -# -# CONFIG_NET_SCHED is not set -# CONFIG_NET_CLS_ROUTE is not set - -# -# Network testing +# Network device support # -# CONFIG_NET_PKTGEN is not set -# CONFIG_NETPOLL is not set -# CONFIG_NET_POLL_CONTROLLER is not set -# CONFIG_HAMRADIO is not set -# CONFIG_IRDA is not set -# CONFIG_BT is not set CONFIG_NETDEVICES=y # CONFIG_DUMMY is not set # CONFIG_BONDING is not set @@ -334,6 +478,11 @@ CONFIG_NETDEVICES=y # CONFIG_TUN is not set # +# PHY device support +# +# CONFIG_PHYLIB is not set + +# # Ethernet (10 or 100Mbit) # CONFIG_NET_ETHERNET=y @@ -359,11 +508,6 @@ CONFIG_SMC91X=y # CONFIG_NET_RADIO is not set # -# PCMCIA network device support -# -# CONFIG_NET_PCMCIA is not set - -# # Wan interfaces # # CONFIG_WAN is not set @@ -371,6 +515,8 @@ CONFIG_SMC91X=y # CONFIG_SLIP is not set # CONFIG_SHAPER is not set # CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set # # ISDN subsystem @@ -386,6 +532,7 @@ CONFIG_SMC91X=y # Input device support # CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set # # Userland interfaces @@ -414,7 +561,6 @@ CONFIG_SERIO_SERPORT=y # CONFIG_SERIO_LIBPS2 is not set # CONFIG_SERIO_RAW is not set # CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y # # Character devices @@ -422,6 +568,7 @@ CONFIG_SOUND_GAMEPORT=y CONFIG_VT=y CONFIG_VT_CONSOLE=y CONFIG_HW_CONSOLE=y +# CONFIG_VT_HW_CONSOLE_BINDING is not set # CONFIG_SERIAL_NONSTANDARD is not set # @@ -450,8 +597,8 @@ CONFIG_LEGACY_PTY_COUNT=256 # Watchdog Cards # # CONFIG_WATCHDOG is not set +CONFIG_HW_RANDOM=y # CONFIG_RTC is not set -# CONFIG_GEN_RTC is not set CONFIG_DS1302=y # CONFIG_DTLK is not set # CONFIG_R3964 is not set @@ -459,17 +606,12 @@ CONFIG_DS1302=y # # Ftape, the floppy tape device driver # -# CONFIG_DRM is not set - -# -# PCMCIA character devices -# -# CONFIG_SYNCLINK_CS is not set # CONFIG_RAW_DRIVER is not set # # TPM devices # +# CONFIG_TCG_TPM is not set # # I2C support @@ -477,34 +619,51 @@ CONFIG_DS1302=y # CONFIG_I2C is not set # +# SPI support +# +# CONFIG_SPI is not set +# CONFIG_SPI_MASTER is not set + +# # Dallas's 1-wire bus # # CONFIG_W1 is not set # -# Misc devices +# Hardware Monitoring support # +CONFIG_HWMON=y +# CONFIG_HWMON_VID is not set +# CONFIG_SENSORS_ABITUGURU is not set +# CONFIG_SENSORS_F71805F is not set +# CONFIG_SENSORS_VT1211 is not set +# CONFIG_HWMON_DEBUG_CHIP is not set # # Multimedia devices # -CONFIG_VIDEO_DEV=y +CONFIG_VIDEO_DEV=m +CONFIG_VIDEO_V4L1=y +CONFIG_VIDEO_V4L1_COMPAT=y +CONFIG_VIDEO_V4L2=y # -# Video For Linux +# Video Capture Adapters # # -# Video Adapters +# Video Capture Adapters # +# CONFIG_VIDEO_ADV_DEBUG is not set +CONFIG_VIDEO_HELPER_CHIPS_AUTO=y +# CONFIG_VIDEO_VIVI is not set # CONFIG_VIDEO_CPIA is not set -CONFIG_VIDEO_M32R_AR=y -CONFIG_VIDEO_M32R_AR_M64278=y +CONFIG_VIDEO_M32R_AR=m +CONFIG_VIDEO_M32R_AR_M64278=m # # Radio Adapters # -# CONFIG_RADIO_MAESTRO is not set # # Digital Video Broadcasting Devices @@ -514,15 +673,16 @@ CONFIG_VIDEO_M32R_AR_M64278=y # # Graphics support # +CONFIG_FIRMWARE_EDID=y CONFIG_FB=y -# CONFIG_FB_CFB_FILLRECT is not set -# CONFIG_FB_CFB_COPYAREA is not set -# CONFIG_FB_CFB_IMAGEBLIT is not set -# CONFIG_FB_SOFT_CURSOR is not set +CONFIG_FB_CFB_FILLRECT=y +CONFIG_FB_CFB_COPYAREA=y +CONFIG_FB_CFB_IMAGEBLIT=y # CONFIG_FB_MACMODES is not set +# CONFIG_FB_BACKLIGHT is not set # CONFIG_FB_MODE_HELPERS is not set # CONFIG_FB_TILEBLITTING is not set -# CONFIG_FB_S1D13XXX is not set +CONFIG_FB_S1D13XXX=y # CONFIG_FB_VIRTUAL is not set # @@ -531,6 +691,7 @@ CONFIG_FB=y # CONFIG_VGA_CONSOLE is not set CONFIG_DUMMY_CONSOLE=y CONFIG_FRAMEBUFFER_CONSOLE=y +# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set # CONFIG_FONTS is not set CONFIG_FONT_8x8=y CONFIG_FONT_8x16=y @@ -542,6 +703,7 @@ CONFIG_LOGO=y CONFIG_LOGO_LINUX_MONO=y CONFIG_LOGO_LINUX_VGA16=y CONFIG_LOGO_LINUX_CLUT224=y +CONFIG_LOGO_M32R_CLUT224=y # CONFIG_BACKLIGHT_LCD_SUPPORT is not set # @@ -554,6 +716,11 @@ CONFIG_LOGO_LINUX_CLUT224=y # # CONFIG_USB_ARCH_HAS_HCD is not set # CONFIG_USB_ARCH_HAS_OHCI is not set +# CONFIG_USB_ARCH_HAS_EHCI is not set + +# +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# # # USB Gadget Support @@ -563,23 +730,62 @@ CONFIG_LOGO_LINUX_CLUT224=y # # MMC/SD Card support # -# CONFIG_MMC is not set +CONFIG_MMC=y +CONFIG_MMC_DEBUG=y +CONFIG_MMC_BLOCK=y +# CONFIG_MMC_TIFM_SD is not set + +# +# LED devices +# +# CONFIG_NEW_LEDS is not set + +# +# LED drivers +# + +# +# LED Triggers +# # # InfiniBand support # -# CONFIG_INFINIBAND is not set + +# +# EDAC - error detection and reporting (RAS) (EXPERIMENTAL) +# + +# +# Real Time Clock +# +# CONFIG_RTC_CLASS is not set + +# +# DMA Engine support +# +# CONFIG_DMA_ENGINE is not set + +# +# DMA Clients +# + +# +# DMA Devices +# # # File systems # CONFIG_EXT2_FS=y # CONFIG_EXT2_FS_XATTR is not set -CONFIG_EXT3_FS=m +# CONFIG_EXT2_FS_XIP is not set +CONFIG_EXT3_FS=y CONFIG_EXT3_FS_XATTR=y # CONFIG_EXT3_FS_POSIX_ACL is not set # CONFIG_EXT3_FS_SECURITY is not set -CONFIG_JBD=m +# CONFIG_EXT4DEV_FS is not set +CONFIG_JBD=y CONFIG_JBD_DEBUG=y CONFIG_FS_MBCACHE=y CONFIG_REISERFS_FS=m @@ -587,17 +793,19 @@ CONFIG_REISERFS_FS=m # CONFIG_REISERFS_PROC_INFO is not set # CONFIG_REISERFS_FS_XATTR is not set # CONFIG_JFS_FS is not set - -# -# XFS support -# +# CONFIG_FS_POSIX_ACL is not set # CONFIG_XFS_FS is not set +# CONFIG_GFS2_FS is not set +# CONFIG_OCFS2_FS is not set # CONFIG_MINIX_FS is not set # CONFIG_ROMFS_FS is not set +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y # CONFIG_QUOTA is not set CONFIG_DNOTIFY=y # CONFIG_AUTOFS_FS is not set # CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set # # CD-ROM/DVD Filesystems @@ -623,15 +831,13 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" # CONFIG_PROC_FS=y CONFIG_PROC_KCORE=y +CONFIG_PROC_SYSCTL=y CONFIG_SYSFS=y -CONFIG_DEVFS_FS=y -CONFIG_DEVFS_MOUNT=y -# CONFIG_DEVFS_DEBUG is not set -# CONFIG_DEVPTS_FS_XATTR is not set CONFIG_TMPFS=y -# CONFIG_TMPFS_XATTR is not set +# CONFIG_TMPFS_POSIX_ACL is not set # CONFIG_HUGETLB_PAGE is not set CONFIG_RAMFS=y +# CONFIG_CONFIGFS_FS is not set # # Miscellaneous filesystems @@ -643,6 +849,8 @@ CONFIG_RAMFS=y # CONFIG_BEFS_FS is not set # CONFIG_BFS_FS is not set # CONFIG_EFS_FS is not set +# CONFIG_JFFS_FS is not set +# CONFIG_JFFS2_FS is not set # CONFIG_CRAMFS is not set # CONFIG_VXFS_FS is not set # CONFIG_HPFS_FS is not set @@ -655,12 +863,14 @@ CONFIG_RAMFS=y # CONFIG_NFS_FS=y CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set # CONFIG_NFS_V4 is not set # CONFIG_NFS_DIRECTIO is not set # CONFIG_NFSD is not set CONFIG_ROOT_NFS=y CONFIG_LOCKD=y CONFIG_LOCKD_V4=y +CONFIG_NFS_COMMON=y CONFIG_SUNRPC=y # CONFIG_RPCSEC_GSS_KRB5 is not set # CONFIG_RPCSEC_GSS_SPKM3 is not set @@ -669,6 +879,7 @@ CONFIG_SUNRPC=y # CONFIG_NCP_FS is not set # CONFIG_CODA_FS is not set # CONFIG_AFS_FS is not set +# CONFIG_9P_FS is not set # # Partition Types @@ -723,16 +934,23 @@ CONFIG_NLS_DEFAULT="iso8859-1" # # Profiling support # -# CONFIG_PROFILING is not set +CONFIG_PROFILING=y +CONFIG_OPROFILE=y # # Kernel hacking # # CONFIG_PRINTK_TIME is not set +CONFIG_ENABLE_MUST_CHECK=y +# CONFIG_MAGIC_SYSRQ is not set +# CONFIG_UNUSED_SYMBOLS is not set # CONFIG_DEBUG_KERNEL is not set -CONFIG_LOG_BUF_SHIFT=14 +CONFIG_LOG_BUF_SHIFT=15 # CONFIG_DEBUG_BUGVERBOSE is not set +# CONFIG_DEBUG_FS is not set # CONFIG_FRAME_POINTER is not set +# CONFIG_UNWIND_INFO is not set +# CONFIG_HEADERS_CHECK is not set # # Security options @@ -746,12 +964,9 @@ CONFIG_LOG_BUF_SHIFT=14 # CONFIG_CRYPTO is not set # -# Hardware crypto devices -# - -# # Library routines # # CONFIG_CRC_CCITT is not set +# CONFIG_CRC16 is not set CONFIG_CRC32=y # CONFIG_LIBCRC32C is not set diff --git a/arch/m32r/kernel/head.S b/arch/m32r/kernel/head.S index 0d3c8ee0e03..dab7436d7bb 100644 --- a/arch/m32r/kernel/head.S +++ b/arch/m32r/kernel/head.S @@ -7,8 +7,6 @@ * Hitoshi Yamamoto */ -/* $Id$ */ - #include <linux/init.h> __INIT __INITDATA diff --git a/arch/m32r/kernel/process.c b/arch/m32r/kernel/process.c index 44cbe0ce0f8..a689e2978b6 100644 --- a/arch/m32r/kernel/process.c +++ b/arch/m32r/kernel/process.c @@ -174,7 +174,7 @@ void show_regs(struct pt_regs * regs) regs->acc1h, regs->acc1l); #elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R) printk("ACCH[%08lx]:ACCL[%08lx]\n", \ - regs->acch, regs->accl); + regs->acc0h, regs->acc0l); #else #error unknown isa configuration #endif diff --git a/arch/m32r/kernel/setup.c b/arch/m32r/kernel/setup.c index 936205f7aba..d64814385d7 100644 --- a/arch/m32r/kernel/setup.c +++ b/arch/m32r/kernel/setup.c @@ -64,7 +64,7 @@ struct screen_info screen_info = { extern int root_mountflags; -static char command_line[COMMAND_LINE_SIZE]; +static char __initdata command_line[COMMAND_LINE_SIZE]; static struct resource data_resource = { .name = "Kernel data", @@ -95,8 +95,8 @@ static __inline__ void parse_mem_cmdline(char ** cmdline_p) int usermem = 0; /* Save unparsed command line copy for /proc/cmdline */ - memcpy(saved_command_line, COMMAND_LINE, COMMAND_LINE_SIZE); - saved_command_line[COMMAND_LINE_SIZE-1] = '\0'; + memcpy(boot_command_line, COMMAND_LINE, COMMAND_LINE_SIZE); + boot_command_line[COMMAND_LINE_SIZE-1] = '\0'; memory_start = (unsigned long)CONFIG_MEMORY_START+PAGE_OFFSET; memory_end = memory_start+(unsigned long)CONFIG_MEMORY_SIZE; diff --git a/arch/m32r/kernel/signal.c b/arch/m32r/kernel/signal.c index 092ea86bb07..4b156054baa 100644 --- a/arch/m32r/kernel/signal.c +++ b/arch/m32r/kernel/signal.c @@ -109,19 +109,10 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, COPY(r10); COPY(r11); COPY(r12); -#if defined(CONFIG_ISA_M32R2) && defined(CONFIG_ISA_DSP_LEVEL2) COPY(acc0h); COPY(acc0l); - COPY(acc1h); - COPY(acc1l); -#elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R) - COPY(acch); - COPY(accl); - COPY(dummy_acc1h); - COPY(dummy_acc1l); -#else -#error unknown isa configuration -#endif + COPY(acc1h); /* ISA_DSP_LEVEL2 only */ + COPY(acc1l); /* ISA_DSP_LEVEL2 only */ COPY(psw); COPY(bpc); COPY(bbpsw); @@ -196,19 +187,10 @@ setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs, COPY(r10); COPY(r11); COPY(r12); -#if defined(CONFIG_ISA_M32R2) && defined(CONFIG_ISA_DSP_LEVEL2) COPY(acc0h); COPY(acc0l); - COPY(acc1h); - COPY(acc1l); -#elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R) - COPY(acch); - COPY(accl); - COPY(dummy_acc1h); - COPY(dummy_acc1l); -#else -#error unknown isa configuration -#endif + COPY(acc1h); /* ISA_DSP_LEVEL2 only */ + COPY(acc1l); /* ISA_DSP_LEVEL2 only */ COPY(psw); COPY(bpc); COPY(bbpsw); diff --git a/arch/m32r/kernel/time.c b/arch/m32r/kernel/time.c index a09038282c7..3858c9f39ba 100644 --- a/arch/m32r/kernel/time.c +++ b/arch/m32r/kernel/time.c @@ -286,11 +286,3 @@ void __init time_init(void) #error no chip configuration #endif } - -/* - * Scheduler clock - returns current time in nanosec units. - */ -unsigned long long sched_clock(void) -{ - return (unsigned long long)jiffies * (1000000000 / HZ); -} diff --git a/arch/m32r/kernel/vmlinux.lds.S b/arch/m32r/kernel/vmlinux.lds.S index 358b9cee2c6..439cc257cd1 100644 --- a/arch/m32r/kernel/vmlinux.lds.S +++ b/arch/m32r/kernel/vmlinux.lds.S @@ -6,12 +6,15 @@ #include <asm/page.h> OUTPUT_ARCH(m32r) -ENTRY(startup_32) #if defined(__LITTLE_ENDIAN__) jiffies = jiffies_64; #else jiffies = jiffies_64 + 4; #endif + +kernel_entry = boot - 0x80000000; +ENTRY(kernel_entry) + SECTIONS { . = CONFIG_MEMORY_START + __PAGE_OFFSET; @@ -99,10 +102,14 @@ SECTIONS from .altinstructions and .eh_frame */ .exit.text : { *(.exit.text) } .exit.data : { *(.exit.data) } + +#ifdef CONFIG_BLK_DEV_INITRD . = ALIGN(4096); __initramfs_start = .; .init.ramfs : { *(.init.ramfs) } __initramfs_end = .; +#endif + . = ALIGN(32); __per_cpu_start = .; .data.percpu : { *(.data.percpu) } diff --git a/arch/m32r/lib/ashxdi3.S b/arch/m32r/lib/ashxdi3.S index 107594b65d5..7fc0c19801b 100644 --- a/arch/m32r/lib/ashxdi3.S +++ b/arch/m32r/lib/ashxdi3.S @@ -4,8 +4,6 @@ * Copyright (C) 2001,2002 Hiroyuki Kondo, and Hirokazu Takata * */ -/* $Id$ */ - ; ; input (r0,r1) src @@ -293,4 +291,3 @@ __lshrdi3: #endif /* not CONFIG_ISA_DUAL_ISSUE */ .end - diff --git a/arch/m32r/lib/checksum.S b/arch/m32r/lib/checksum.S index cfbe00e5184..0af0360c76d 100644 --- a/arch/m32r/lib/checksum.S +++ b/arch/m32r/lib/checksum.S @@ -25,8 +25,6 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ -/* $Id$ */ - #include <linux/linkage.h> #include <asm/assembler.h> @@ -319,3 +317,4 @@ ENTRY(csum_partial_copy_generic) nop nop + .end diff --git a/arch/m32r/lib/delay.c b/arch/m32r/lib/delay.c index 06382a38c31..59bfc34e0d9 100644 --- a/arch/m32r/lib/delay.c +++ b/arch/m32r/lib/delay.c @@ -5,8 +5,6 @@ * Copyright (c) 2004 Hirokazu Takata */ -/* $Id$ */ - #include <linux/param.h> #ifdef CONFIG_SMP #include <linux/sched.h> diff --git a/arch/m32r/lib/memcpy.S b/arch/m32r/lib/memcpy.S index 2089a215314..05987cd639e 100644 --- a/arch/m32r/lib/memcpy.S +++ b/arch/m32r/lib/memcpy.S @@ -10,8 +10,6 @@ * src: r1 * n : r2 */ -/* $Id$ */ - .text #include <linux/linkage.h> diff --git a/arch/m32r/lib/memset.S b/arch/m32r/lib/memset.S index b47fa3537aa..2b2831a3792 100644 --- a/arch/m32r/lib/memset.S +++ b/arch/m32r/lib/memset.S @@ -12,8 +12,6 @@ * ret: r0 * */ -/* $Id$ */ - .text .global memset diff --git a/arch/m32r/lib/strlen.S b/arch/m32r/lib/strlen.S index 5f41aacd7b3..916de9e8f80 100644 --- a/arch/m32r/lib/strlen.S +++ b/arch/m32r/lib/strlen.S @@ -6,8 +6,6 @@ * size_t strlen(const char *s); * */ -/* $Id$ */ - #include <linux/linkage.h> #include <asm/assembler.h> diff --git a/arch/m32r/m32104ut/defconfig.m32104ut b/arch/m32r/m32104ut/defconfig.m32104ut index 454de336803..7b68fe8d921 100644 --- a/arch/m32r/m32104ut/defconfig.m32104ut +++ b/arch/m32r/m32104ut/defconfig.m32104ut @@ -1,20 +1,20 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.14 -# Wed Nov 9 16:04:51 2005 +# Linux kernel version: 2.6.19 +# Wed Dec 13 17:22:20 2006 # CONFIG_M32R=y -# CONFIG_UID16 is not set CONFIG_GENERIC_ISA_DMA=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" # # Code maturity level options # CONFIG_EXPERIMENTAL=y -CONFIG_CLEAN_COMPILE=y CONFIG_BROKEN_ON_SMP=y +CONFIG_LOCK_KERNEL=y CONFIG_INIT_ENV_ARG_LIMIT=32 # @@ -22,33 +22,66 @@ CONFIG_INIT_ENV_ARG_LIMIT=32 # CONFIG_LOCALVERSION="" CONFIG_LOCALVERSION_AUTO=y +CONFIG_SYSVIPC=y +# CONFIG_IPC_NS is not set # CONFIG_POSIX_MQUEUE is not set # CONFIG_BSD_PROCESS_ACCT is not set -CONFIG_SYSCTL=y +# CONFIG_TASKSTATS is not set +# CONFIG_UTS_NS is not set # CONFIG_AUDIT is not set -CONFIG_HOTPLUG=y -# CONFIG_KOBJECT_UEVENT is not set -# CONFIG_IKCONFIG is not set +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_SYSFS_DEPRECATED=y +# CONFIG_RELAY is not set CONFIG_INITRAMFS_SOURCE="" -CONFIG_EMBEDDED=y -# CONFIG_KALLSYMS is not set +CONFIG_CC_OPTIMIZE_FOR_SIZE=y +CONFIG_SYSCTL=y +# CONFIG_EMBEDDED is not set +CONFIG_SYSCTL_SYSCALL=y +CONFIG_KALLSYMS=y +# CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_HOTPLUG=y CONFIG_PRINTK=y CONFIG_BUG=y +CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y -# CONFIG_FUTEX is not set -# CONFIG_EPOLL is not set -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set -CONFIG_CC_ALIGN_FUNCTIONS=0 -CONFIG_CC_ALIGN_LABELS=0 -CONFIG_CC_ALIGN_LOOPS=0 -CONFIG_CC_ALIGN_JUMPS=0 +CONFIG_FUTEX=y +CONFIG_EPOLL=y +CONFIG_SLAB=y +CONFIG_VM_EVENT_COUNTERS=y +CONFIG_RT_MUTEXES=y CONFIG_TINY_SHMEM=y CONFIG_BASE_SMALL=0 +# CONFIG_SLOB is not set # # Loadable module support # -# CONFIG_MODULES is not set +CONFIG_MODULES=y +CONFIG_MODULE_UNLOAD=y +CONFIG_MODULE_FORCE_UNLOAD=y +# CONFIG_MODVERSIONS is not set +# CONFIG_MODULE_SRCVERSION_ALL is not set +CONFIG_KMOD=y + +# +# Block layer +# +CONFIG_BLOCK=y +# CONFIG_BLK_DEV_IO_TRACE is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +CONFIG_IOSCHED_AS=y +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +CONFIG_DEFAULT_AS=y +# CONFIG_DEFAULT_DEADLINE is not set +# CONFIG_DEFAULT_CFQ is not set +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="anticipatory" # # Processor type and features @@ -70,40 +103,40 @@ CONFIG_ISA_M32R=y CONFIG_BUS_CLOCK=54000000 CONFIG_TIMER_DIVIDE=128 # CONFIG_CPU_LITTLE_ENDIAN is not set -CONFIG_MEMORY_START=04000000 -CONFIG_MEMORY_SIZE=01000000 +CONFIG_MEMORY_START=0x04000000 +CONFIG_MEMORY_SIZE=0x01000000 CONFIG_NOHIGHMEM=y -# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set +CONFIG_ARCH_DISCONTIGMEM_ENABLE=y CONFIG_SELECT_MEMORY_MODEL=y -CONFIG_FLATMEM_MANUAL=y -# CONFIG_DISCONTIGMEM_MANUAL is not set +# CONFIG_FLATMEM_MANUAL is not set +CONFIG_DISCONTIGMEM_MANUAL=y # CONFIG_SPARSEMEM_MANUAL is not set -CONFIG_FLATMEM=y +CONFIG_DISCONTIGMEM=y CONFIG_FLAT_NODE_MEM_MAP=y +CONFIG_NEED_MULTIPLE_NODES=y # CONFIG_SPARSEMEM_STATIC is not set +CONFIG_SPLIT_PTLOCK_CPUS=4 +# CONFIG_RESOURCES_64BIT is not set +CONFIG_IRAM_START=0x00700000 +CONFIG_IRAM_SIZE=0x00010000 CONFIG_RWSEM_GENERIC_SPINLOCK=y # CONFIG_RWSEM_XCHGADD_ALGORITHM is not set +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_CALIBRATE_DELAY=y -# CONFIG_PREEMPT is not set +CONFIG_PREEMPT=y # CONFIG_SMP is not set +CONFIG_NODES_SHIFT=1 # # Bus options (PCI, PCMCIA, EISA, MCA, ISA) # -# CONFIG_ISA is not set +CONFIG_ISA=y # # PCCARD (PCMCIA/CardBus) support # -CONFIG_PCCARD=y -# CONFIG_PCMCIA_DEBUG is not set -CONFIG_PCMCIA=y -CONFIG_PCMCIA_LOAD_CIS=y -CONFIG_PCMCIA_IOCTL=y - -# -# PC-card bridges -# +# CONFIG_PCCARD is not set # # PCI Hotplug Support @@ -112,10 +145,8 @@ CONFIG_PCMCIA_IOCTL=y # # Executable file formats # -CONFIG_BINFMT_FLAT=y -# CONFIG_BINFMT_ZFLAT is not set -# CONFIG_BINFMT_SHARED_FLAT is not set -# CONFIG_BINFMT_MISC is not set +# CONFIG_BINFMT_FLAT is not set +CONFIG_BINFMT_MISC=y # # Networking @@ -125,17 +156,19 @@ CONFIG_NET=y # # Networking options # -# CONFIG_PACKET is not set +# CONFIG_NETDEBUG is not set +CONFIG_PACKET=y +# CONFIG_PACKET_MMAP is not set CONFIG_UNIX=y +CONFIG_XFRM=y +# CONFIG_XFRM_USER is not set +# CONFIG_XFRM_SUB_POLICY is not set # CONFIG_NET_KEY is not set CONFIG_INET=y # CONFIG_IP_MULTICAST is not set # CONFIG_IP_ADVANCED_ROUTER is not set CONFIG_IP_FIB_HASH=y -CONFIG_IP_PNP=y -CONFIG_IP_PNP_DHCP=y -# CONFIG_IP_PNP_BOOTP is not set -# CONFIG_IP_PNP_RARP is not set +# CONFIG_IP_PNP is not set # CONFIG_NET_IPIP is not set # CONFIG_NET_IPGRE is not set # CONFIG_ARPD is not set @@ -143,13 +176,87 @@ CONFIG_IP_PNP_DHCP=y # CONFIG_INET_AH is not set # CONFIG_INET_ESP is not set # CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set # CONFIG_INET_TUNNEL is not set +CONFIG_INET_XFRM_MODE_TRANSPORT=y +CONFIG_INET_XFRM_MODE_TUNNEL=y +CONFIG_INET_XFRM_MODE_BEET=y CONFIG_INET_DIAG=y CONFIG_INET_TCP_DIAG=y # CONFIG_TCP_CONG_ADVANCED is not set -CONFIG_TCP_CONG_BIC=y +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set + +# +# IP: Virtual Server Configuration +# +# CONFIG_IP_VS is not set # CONFIG_IPV6 is not set -# CONFIG_NETFILTER is not set +# CONFIG_INET6_XFRM_TUNNEL is not set +# CONFIG_INET6_TUNNEL is not set +# CONFIG_NETWORK_SECMARK is not set +CONFIG_NETFILTER=y +# CONFIG_NETFILTER_DEBUG is not set + +# +# Core Netfilter Configuration +# +CONFIG_NETFILTER_NETLINK=m +CONFIG_NETFILTER_NETLINK_QUEUE=m +CONFIG_NETFILTER_NETLINK_LOG=m +# CONFIG_NF_CONNTRACK_ENABLED is not set +CONFIG_NETFILTER_XTABLES=m +CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m +# CONFIG_NETFILTER_XT_TARGET_DSCP is not set +CONFIG_NETFILTER_XT_TARGET_MARK=m +CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m +# CONFIG_NETFILTER_XT_TARGET_NFLOG is not set +CONFIG_NETFILTER_XT_MATCH_COMMENT=m +CONFIG_NETFILTER_XT_MATCH_DCCP=m +# CONFIG_NETFILTER_XT_MATCH_DSCP is not set +# CONFIG_NETFILTER_XT_MATCH_ESP is not set +CONFIG_NETFILTER_XT_MATCH_LENGTH=m +CONFIG_NETFILTER_XT_MATCH_LIMIT=m +CONFIG_NETFILTER_XT_MATCH_MAC=m +CONFIG_NETFILTER_XT_MATCH_MARK=m +# CONFIG_NETFILTER_XT_MATCH_POLICY is not set +# CONFIG_NETFILTER_XT_MATCH_MULTIPORT is not set +CONFIG_NETFILTER_XT_MATCH_PKTTYPE=m +# CONFIG_NETFILTER_XT_MATCH_QUOTA is not set +CONFIG_NETFILTER_XT_MATCH_REALM=m +CONFIG_NETFILTER_XT_MATCH_SCTP=m +# CONFIG_NETFILTER_XT_MATCH_STATISTIC is not set +CONFIG_NETFILTER_XT_MATCH_STRING=m +CONFIG_NETFILTER_XT_MATCH_TCPMSS=m +# CONFIG_NETFILTER_XT_MATCH_HASHLIMIT is not set + +# +# IP: Netfilter Configuration +# +CONFIG_IP_NF_QUEUE=m +CONFIG_IP_NF_IPTABLES=m +CONFIG_IP_NF_MATCH_IPRANGE=m +CONFIG_IP_NF_MATCH_TOS=m +CONFIG_IP_NF_MATCH_RECENT=m +CONFIG_IP_NF_MATCH_ECN=m +# CONFIG_IP_NF_MATCH_AH is not set +CONFIG_IP_NF_MATCH_TTL=m +CONFIG_IP_NF_MATCH_OWNER=m +CONFIG_IP_NF_MATCH_ADDRTYPE=m +CONFIG_IP_NF_FILTER=m +CONFIG_IP_NF_TARGET_REJECT=m +CONFIG_IP_NF_TARGET_LOG=m +CONFIG_IP_NF_TARGET_ULOG=m +CONFIG_IP_NF_TARGET_TCPMSS=m +CONFIG_IP_NF_MANGLE=m +CONFIG_IP_NF_TARGET_TOS=m +CONFIG_IP_NF_TARGET_ECN=m +CONFIG_IP_NF_TARGET_TTL=m +CONFIG_IP_NF_RAW=m +CONFIG_IP_NF_ARPTABLES=m +CONFIG_IP_NF_ARPFILTER=m +CONFIG_IP_NF_ARP_MANGLE=m # # DCCP Configuration (EXPERIMENTAL) @@ -160,6 +267,11 @@ CONFIG_TCP_CONG_BIC=y # SCTP Configuration (EXPERIMENTAL) # # CONFIG_IP_SCTP is not set + +# +# TIPC Configuration (EXPERIMENTAL) +# +# CONFIG_TIPC is not set # CONFIG_ATM is not set # CONFIG_BRIDGE is not set # CONFIG_VLAN_8021Q is not set @@ -169,11 +281,14 @@ CONFIG_TCP_CONG_BIC=y # CONFIG_ATALK is not set # CONFIG_X25 is not set # CONFIG_LAPB is not set -# CONFIG_NET_DIVERT is not set # CONFIG_ECONET is not set # CONFIG_WAN_ROUTER is not set + +# +# QoS and/or fair queueing +# # CONFIG_NET_SCHED is not set -# CONFIG_NET_CLS_ROUTE is not set +CONFIG_NET_CLS_ROUTE=y # # Network testing @@ -193,8 +308,8 @@ CONFIG_TCP_CONG_BIC=y # CONFIG_STANDALONE=y CONFIG_PREVENT_FIRMWARE_BUILD=y -CONFIG_FW_LOADER=y -# CONFIG_DEBUG_DRIVER is not set +# CONFIG_FW_LOADER is not set +# CONFIG_SYS_HYPERVISOR is not set # # Connector - unified userspace <-> kernelspace linker @@ -209,11 +324,21 @@ CONFIG_FW_LOADER=y # # Parallel port support # -# CONFIG_PARPORT is not set +CONFIG_PARPORT=m +# CONFIG_PARPORT_GSC is not set +# CONFIG_PARPORT_AX88796 is not set +CONFIG_PARPORT_1284=y # # Plug and Play support # +CONFIG_PNP=y +# CONFIG_PNP_DEBUG is not set + +# +# Protocols +# +CONFIG_ISAPNP=y # # Block devices @@ -221,37 +346,130 @@ CONFIG_FW_LOADER=y # CONFIG_BLK_DEV_COW_COMMON is not set CONFIG_BLK_DEV_LOOP=y # CONFIG_BLK_DEV_CRYPTOLOOP is not set -CONFIG_BLK_DEV_NBD=y -CONFIG_BLK_DEV_RAM=y -CONFIG_BLK_DEV_RAM_COUNT=16 -CONFIG_BLK_DEV_RAM_SIZE=4096 -CONFIG_BLK_DEV_INITRD=y -# CONFIG_CDROM_PKTCDVD is not set +CONFIG_BLK_DEV_NBD=m +# CONFIG_BLK_DEV_RAM is not set +# CONFIG_BLK_DEV_INITRD is not set +CONFIG_CDROM_PKTCDVD=m +CONFIG_CDROM_PKTCDVD_BUFFERS=8 +CONFIG_CDROM_PKTCDVD_WCACHE=y +# CONFIG_ATA_OVER_ETH is not set # -# IO Schedulers +# Misc devices # -CONFIG_IOSCHED_NOOP=y -# CONFIG_IOSCHED_AS is not set -# CONFIG_IOSCHED_DEADLINE is not set -# CONFIG_IOSCHED_CFQ is not set -# CONFIG_ATA_OVER_ETH is not set +# CONFIG_TIFM_CORE is not set # # ATA/ATAPI/MFM/RLL support # -# CONFIG_IDE is not set +CONFIG_IDE=y +CONFIG_BLK_DEV_IDE=y + +# +# Please see Documentation/ide.txt for help/info on IDE drives +# +# CONFIG_BLK_DEV_IDE_SATA is not set +CONFIG_BLK_DEV_IDEDISK=y +# CONFIG_IDEDISK_MULTI_MODE is not set +CONFIG_BLK_DEV_IDECD=y +# CONFIG_BLK_DEV_IDETAPE is not set +# CONFIG_BLK_DEV_IDEFLOPPY is not set +# CONFIG_BLK_DEV_IDESCSI is not set +# CONFIG_IDE_TASK_IOCTL is not set + +# +# IDE chipset support/bugfixes +# +CONFIG_IDE_GENERIC=y +# CONFIG_BLK_DEV_IDEPNP is not set +# CONFIG_IDE_ARM is not set +# CONFIG_IDE_CHIPSETS is not set +# CONFIG_BLK_DEV_IDEDMA is not set +# CONFIG_IDEDMA_AUTO is not set +# CONFIG_BLK_DEV_HD is not set # # SCSI device support # # CONFIG_RAID_ATTRS is not set -# CONFIG_SCSI is not set +CONFIG_SCSI=y +# CONFIG_SCSI_NETLINK is not set +CONFIG_SCSI_PROC_FS=y + +# +# SCSI support type (disk, tape, CD-ROM) +# +CONFIG_BLK_DEV_SD=y +CONFIG_CHR_DEV_ST=m +# CONFIG_CHR_DEV_OSST is not set +CONFIG_BLK_DEV_SR=m +# CONFIG_BLK_DEV_SR_VENDOR is not set +CONFIG_CHR_DEV_SG=m +# CONFIG_CHR_DEV_SCH is not set + +# +# Some SCSI devices (e.g. CD jukebox) support multiple LUNs +# +CONFIG_SCSI_MULTI_LUN=y +CONFIG_SCSI_CONSTANTS=y +# CONFIG_SCSI_LOGGING is not set + +# +# SCSI Transports +# +CONFIG_SCSI_SPI_ATTRS=y +# CONFIG_SCSI_FC_ATTRS is not set +# CONFIG_SCSI_ISCSI_ATTRS is not set +# CONFIG_SCSI_SAS_ATTRS is not set +# CONFIG_SCSI_SAS_LIBSAS is not set + +# +# SCSI low-level drivers +# +# CONFIG_ISCSI_TCP is not set +# CONFIG_SCSI_AHA152X is not set +# CONFIG_SCSI_AIC7XXX_OLD is not set +# CONFIG_SCSI_IN2000 is not set +# CONFIG_SCSI_DTC3280 is not set +# CONFIG_SCSI_FUTURE_DOMAIN is not set +# CONFIG_SCSI_GENERIC_NCR5380 is not set +# CONFIG_SCSI_GENERIC_NCR5380_MMIO is not set +# CONFIG_SCSI_NCR53C406A is not set +# CONFIG_SCSI_PAS16 is not set +# CONFIG_SCSI_PSI240I is not set +# CONFIG_SCSI_QLOGIC_FAS is not set +# CONFIG_SCSI_SYM53C416 is not set +# CONFIG_SCSI_T128 is not set +# CONFIG_SCSI_DEBUG is not set + +# +# Serial ATA (prod) and Parallel ATA (experimental) drivers +# + +# +# Old CD-ROM drivers (not SCSI, not IDE) +# +# CONFIG_CD_NO_IDESCSI is not set # # Multi-device support (RAID and LVM) # -# CONFIG_MD is not set +CONFIG_MD=y +CONFIG_BLK_DEV_MD=y +# CONFIG_MD_LINEAR is not set +# CONFIG_MD_RAID0 is not set +CONFIG_MD_RAID1=y +# CONFIG_MD_RAID10 is not set +# CONFIG_MD_RAID456 is not set +# CONFIG_MD_MULTIPATH is not set +# CONFIG_MD_FAULTY is not set +CONFIG_BLK_DEV_DM=m +# CONFIG_DM_DEBUG is not set +CONFIG_DM_CRYPT=m +CONFIG_DM_SNAPSHOT=m +# CONFIG_DM_MIRROR is not set +# CONFIG_DM_ZERO is not set +# CONFIG_DM_MULTIPATH is not set # # Fusion MPT device support @@ -270,10 +488,16 @@ CONFIG_IOSCHED_NOOP=y # Network device support # CONFIG_NETDEVICES=y -CONFIG_DUMMY=y +CONFIG_DUMMY=m # CONFIG_BONDING is not set # CONFIG_EQUALIZER is not set # CONFIG_TUN is not set +# CONFIG_NET_SB1000 is not set + +# +# ARCnet devices +# +# CONFIG_ARCNET is not set # # PHY device support @@ -285,8 +509,33 @@ CONFIG_DUMMY=y # CONFIG_NET_ETHERNET=y CONFIG_MII=y -CONFIG_SMC91X=y -# CONFIG_NE2000 is not set +CONFIG_NET_VENDOR_3COM=y +# CONFIG_EL1 is not set +# CONFIG_EL2 is not set +# CONFIG_EL16 is not set +# CONFIG_EL3 is not set +# CONFIG_NET_VENDOR_SMC is not set +# CONFIG_SMC91X is not set +# CONFIG_NET_VENDOR_RACAL is not set +# CONFIG_AT1700 is not set +# CONFIG_DEPCA is not set +# CONFIG_HP100 is not set +CONFIG_NET_ISA=y +# CONFIG_E2100 is not set +# CONFIG_EWRK3 is not set +# CONFIG_EEXPRESS is not set +# CONFIG_EEXPRESS_PRO is not set +# CONFIG_HPLAN_PLUS is not set +# CONFIG_HPLAN is not set +# CONFIG_LP486E is not set +# CONFIG_ETH16I is not set +CONFIG_NE2000=m +# CONFIG_SEEQ8005 is not set +CONFIG_NET_PCI=y +# CONFIG_AC3200 is not set +# CONFIG_APRICOT is not set +# CONFIG_CS89x0 is not set +# CONFIG_NET_POCKET is not set # # Ethernet (1000 Mbit) @@ -299,6 +548,7 @@ CONFIG_SMC91X=y # # Token Ring devices # +# CONFIG_TR is not set # # Wireless LAN (non-hamradio) @@ -306,14 +556,10 @@ CONFIG_SMC91X=y # CONFIG_NET_RADIO is not set # -# PCMCIA network device support -# -# CONFIG_NET_PCMCIA is not set - -# # Wan interfaces # # CONFIG_WAN is not set +# CONFIG_PLIP is not set # CONFIG_PPP is not set # CONFIG_SLIP is not set # CONFIG_SHAPER is not set @@ -334,35 +580,83 @@ CONFIG_SMC91X=y # # Input device support # -# CONFIG_INPUT is not set +CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set + +# +# Userland interfaces +# +CONFIG_INPUT_MOUSEDEV=y +CONFIG_INPUT_MOUSEDEV_PSAUX=y +CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024 +CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 +# CONFIG_INPUT_JOYDEV is not set +# CONFIG_INPUT_TSDEV is not set +# CONFIG_INPUT_EVDEV is not set +# CONFIG_INPUT_EVBUG is not set + +# +# Input Device Drivers +# +CONFIG_INPUT_KEYBOARD=y +CONFIG_KEYBOARD_ATKBD=y +# CONFIG_KEYBOARD_SUNKBD is not set +# CONFIG_KEYBOARD_LKKBD is not set +# CONFIG_KEYBOARD_XTKBD is not set +# CONFIG_KEYBOARD_NEWTON is not set +# CONFIG_KEYBOARD_STOWAWAY is not set +CONFIG_INPUT_MOUSE=y +CONFIG_MOUSE_PS2=y +# CONFIG_MOUSE_SERIAL is not set +# CONFIG_MOUSE_INPORT is not set +# CONFIG_MOUSE_LOGIBM is not set +# CONFIG_MOUSE_PC110PAD is not set +# CONFIG_MOUSE_VSXXXAA is not set +# CONFIG_INPUT_JOYSTICK is not set +# CONFIG_INPUT_TOUCHSCREEN is not set +# CONFIG_INPUT_MISC is not set # # Hardware I/O ports # -# CONFIG_SERIO is not set +CONFIG_SERIO=y +CONFIG_SERIO_I8042=y +CONFIG_SERIO_SERPORT=y +# CONFIG_SERIO_PARKBD is not set +CONFIG_SERIO_LIBPS2=y +# CONFIG_SERIO_RAW is not set # CONFIG_GAMEPORT is not set # # Character devices # -# CONFIG_VT is not set +CONFIG_VT=y +CONFIG_VT_CONSOLE=y +CONFIG_HW_CONSOLE=y +# CONFIG_VT_HW_CONSOLE_BINDING is not set # CONFIG_SERIAL_NONSTANDARD is not set # # Serial drivers # -# CONFIG_SERIAL_8250 is not set +CONFIG_SERIAL_8250=m +CONFIG_SERIAL_8250_PNP=m +CONFIG_SERIAL_8250_NR_UARTS=4 +CONFIG_SERIAL_8250_RUNTIME_UARTS=4 +# CONFIG_SERIAL_8250_EXTENDED is not set # # Non-8250 serial port support # CONFIG_SERIAL_CORE=y -CONFIG_SERIAL_CORE_CONSOLE=y CONFIG_SERIAL_M32R_SIO=y -CONFIG_SERIAL_M32R_SIO_CONSOLE=y +# CONFIG_SERIAL_M32R_SIO_CONSOLE is not set CONFIG_UNIX98_PTYS=y CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=256 +# CONFIG_PRINTER is not set +# CONFIG_PPDEV is not set +# CONFIG_TIPAR is not set # # IPMI @@ -372,13 +666,8 @@ CONFIG_LEGACY_PTY_COUNT=256 # # Watchdog Cards # -CONFIG_WATCHDOG=y -# CONFIG_WATCHDOG_NOWAYOUT is not set - -# -# Watchdog Device Drivers -# -CONFIG_SOFT_WATCHDOG=y +# CONFIG_WATCHDOG is not set +# CONFIG_HW_RANDOM is not set # CONFIG_RTC is not set # CONFIG_DTLK is not set # CONFIG_R3964 is not set @@ -386,21 +675,57 @@ CONFIG_SOFT_WATCHDOG=y # # Ftape, the floppy tape device driver # - -# -# PCMCIA character devices -# -# CONFIG_SYNCLINK_CS is not set # CONFIG_RAW_DRIVER is not set # # TPM devices # +# CONFIG_TCG_TPM is not set # # I2C support # -# CONFIG_I2C is not set +CONFIG_I2C=m +CONFIG_I2C_CHARDEV=m + +# +# I2C Algorithms +# +CONFIG_I2C_ALGOBIT=m +CONFIG_I2C_ALGOPCF=m +# CONFIG_I2C_ALGOPCA is not set + +# +# I2C Hardware Bus support +# +CONFIG_I2C_ELEKTOR=m +CONFIG_I2C_ISA=m +# CONFIG_I2C_OCORES is not set +# CONFIG_I2C_PARPORT is not set +# CONFIG_I2C_PARPORT_LIGHT is not set +# CONFIG_I2C_STUB is not set +# CONFIG_I2C_PCA_ISA is not set + +# +# Miscellaneous I2C Chip support +# +# CONFIG_SENSORS_DS1337 is not set +# CONFIG_SENSORS_DS1374 is not set +# CONFIG_SENSORS_EEPROM is not set +# CONFIG_SENSORS_PCF8574 is not set +# CONFIG_SENSORS_PCA9539 is not set +# CONFIG_SENSORS_PCF8591 is not set +# CONFIG_SENSORS_MAX6875 is not set +# CONFIG_I2C_DEBUG_CORE is not set +# CONFIG_I2C_DEBUG_ALGO is not set +# CONFIG_I2C_DEBUG_BUS is not set +# CONFIG_I2C_DEBUG_CHIP is not set + +# +# SPI support +# +# CONFIG_SPI is not set +# CONFIG_SPI_MASTER is not set # # Dallas's 1-wire bus @@ -410,21 +735,89 @@ CONFIG_SOFT_WATCHDOG=y # # Hardware Monitoring support # -# CONFIG_HWMON is not set -# CONFIG_HWMON_VID is not set +CONFIG_HWMON=y +CONFIG_HWMON_VID=m +# CONFIG_SENSORS_ABITUGURU is not set +CONFIG_SENSORS_ADM1021=m +CONFIG_SENSORS_ADM1025=m +# CONFIG_SENSORS_ADM1026 is not set +CONFIG_SENSORS_ADM1031=m +# CONFIG_SENSORS_ADM9240 is not set +CONFIG_SENSORS_ASB100=m +# CONFIG_SENSORS_ATXP1 is not set +CONFIG_SENSORS_DS1621=m +# CONFIG_SENSORS_F71805F is not set +CONFIG_SENSORS_FSCHER=m +# CONFIG_SENSORS_FSCPOS is not set +CONFIG_SENSORS_GL518SM=m +# CONFIG_SENSORS_GL520SM is not set +CONFIG_SENSORS_IT87=m +# CONFIG_SENSORS_LM63 is not set +CONFIG_SENSORS_LM75=m +CONFIG_SENSORS_LM77=m +CONFIG_SENSORS_LM78=m +CONFIG_SENSORS_LM80=m +CONFIG_SENSORS_LM83=m +CONFIG_SENSORS_LM85=m +# CONFIG_SENSORS_LM87 is not set +CONFIG_SENSORS_LM90=m +# CONFIG_SENSORS_LM92 is not set +CONFIG_SENSORS_MAX1619=m +# CONFIG_SENSORS_PC87360 is not set +CONFIG_SENSORS_SMSC47M1=m +# CONFIG_SENSORS_SMSC47M192 is not set +# CONFIG_SENSORS_SMSC47B397 is not set +# CONFIG_SENSORS_VT1211 is not set +CONFIG_SENSORS_W83781D=m +# CONFIG_SENSORS_W83791D is not set +# CONFIG_SENSORS_W83792D is not set +CONFIG_SENSORS_W83L785TS=m +CONFIG_SENSORS_W83627HF=m +# CONFIG_SENSORS_W83627EHF is not set +# CONFIG_HWMON_DEBUG_CHIP is not set # -# Misc devices +# Multimedia devices # +CONFIG_VIDEO_DEV=m +CONFIG_VIDEO_V4L1=y +CONFIG_VIDEO_V4L1_COMPAT=y +CONFIG_VIDEO_V4L2=y # -# Multimedia Capabilities Port drivers +# Video Capture Adapters # # -# Multimedia devices +# Video Capture Adapters # -# CONFIG_VIDEO_DEV is not set +# CONFIG_VIDEO_ADV_DEBUG is not set +CONFIG_VIDEO_HELPER_CHIPS_AUTO=y +# CONFIG_VIDEO_VIVI is not set +# CONFIG_VIDEO_PMS is not set +CONFIG_VIDEO_BWQCAM=m +CONFIG_VIDEO_CQCAM=m +# CONFIG_VIDEO_W9966 is not set +# CONFIG_VIDEO_CPIA is not set +# CONFIG_VIDEO_SAA5246A is not set +# CONFIG_VIDEO_SAA5249 is not set +# CONFIG_TUNER_3036 is not set +# CONFIG_VIDEO_M32R_AR is not set + +# +# Radio Adapters +# +# CONFIG_RADIO_CADET is not set +# CONFIG_RADIO_RTRACK is not set +# CONFIG_RADIO_RTRACK2 is not set +# CONFIG_RADIO_AZTECH is not set +# CONFIG_RADIO_GEMTEK is not set +# CONFIG_RADIO_SF16FMI is not set +# CONFIG_RADIO_SF16FMR2 is not set +# CONFIG_RADIO_TERRATEC is not set +# CONFIG_RADIO_TRUST is not set +# CONFIG_RADIO_TYPHOON is not set +# CONFIG_RADIO_ZOLTRIX is not set # # Digital Video Broadcasting Devices @@ -434,9 +827,19 @@ CONFIG_SOFT_WATCHDOG=y # # Graphics support # +CONFIG_FIRMWARE_EDID=y # CONFIG_FB is not set # +# Console display driver support +# +CONFIG_VGA_CONSOLE=y +# CONFIG_VGACON_SOFT_SCROLLBACK is not set +# CONFIG_MDA_CONSOLE is not set +CONFIG_DUMMY_CONSOLE=y +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set + +# # Sound # # CONFIG_SOUND is not set @@ -446,6 +849,11 @@ CONFIG_SOFT_WATCHDOG=y # # CONFIG_USB_ARCH_HAS_HCD is not set # CONFIG_USB_ARCH_HAS_OHCI is not set +# CONFIG_USB_ARCH_HAS_EHCI is not set + +# +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# # # USB Gadget Support @@ -458,33 +866,69 @@ CONFIG_SOFT_WATCHDOG=y # CONFIG_MMC is not set # +# LED devices +# +# CONFIG_NEW_LEDS is not set + +# +# LED drivers +# + +# +# LED Triggers +# + +# # InfiniBand support # # -# SN Devices +# EDAC - error detection and reporting (RAS) (EXPERIMENTAL) +# + +# +# Real Time Clock +# +# CONFIG_RTC_CLASS is not set + +# +# DMA Engine support +# +# CONFIG_DMA_ENGINE is not set + +# +# DMA Clients +# + +# +# DMA Devices # # # File systems # CONFIG_EXT2_FS=y -# CONFIG_EXT2_FS_XATTR is not set -# CONFIG_EXT2_FS_XIP is not set +CONFIG_EXT2_FS_XATTR=y +CONFIG_EXT2_FS_POSIX_ACL=y +CONFIG_EXT2_FS_SECURITY=y CONFIG_EXT3_FS=y CONFIG_EXT3_FS_XATTR=y CONFIG_EXT3_FS_POSIX_ACL=y -# CONFIG_EXT3_FS_SECURITY is not set +CONFIG_EXT3_FS_SECURITY=y +# CONFIG_EXT4DEV_FS is not set CONFIG_JBD=y -# CONFIG_JBD_DEBUG is not set +CONFIG_JBD_DEBUG=y CONFIG_FS_MBCACHE=y # CONFIG_REISERFS_FS is not set # CONFIG_JFS_FS is not set CONFIG_FS_POSIX_ACL=y # CONFIG_XFS_FS is not set +# CONFIG_GFS2_FS is not set +# CONFIG_OCFS2_FS is not set # CONFIG_MINIX_FS is not set -# CONFIG_ROMFS_FS is not set -# CONFIG_INOTIFY is not set +CONFIG_ROMFS_FS=y +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y # CONFIG_QUOTA is not set CONFIG_DNOTIFY=y # CONFIG_AUTOFS_FS is not set @@ -494,8 +938,11 @@ CONFIG_DNOTIFY=y # # CD-ROM/DVD Filesystems # -# CONFIG_ISO9660_FS is not set -# CONFIG_UDF_FS is not set +CONFIG_ISO9660_FS=y +CONFIG_JOLIET=y +# CONFIG_ZISOFS is not set +CONFIG_UDF_FS=m +CONFIG_UDF_NLS=y # # DOS/FAT/NT Filesystems @@ -503,7 +950,7 @@ CONFIG_DNOTIFY=y CONFIG_FAT_FS=y CONFIG_MSDOS_FS=y CONFIG_VFAT_FS=y -CONFIG_FAT_DEFAULT_CODEPAGE=932 +CONFIG_FAT_DEFAULT_CODEPAGE=437 CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" # CONFIG_NTFS_FS is not set @@ -511,11 +958,13 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" # Pseudo filesystems # CONFIG_PROC_FS=y +CONFIG_PROC_SYSCTL=y CONFIG_SYSFS=y CONFIG_TMPFS=y +# CONFIG_TMPFS_POSIX_ACL is not set # CONFIG_HUGETLB_PAGE is not set CONFIG_RAMFS=y -# CONFIG_RELAYFS_FS is not set +CONFIG_CONFIGFS_FS=m # # Miscellaneous filesystems @@ -527,7 +976,7 @@ CONFIG_RAMFS=y # CONFIG_BEFS_FS is not set # CONFIG_BFS_FS is not set # CONFIG_EFS_FS is not set -CONFIG_CRAMFS=y +# CONFIG_CRAMFS is not set # CONFIG_VXFS_FS is not set # CONFIG_HPFS_FS is not set # CONFIG_QNX4FS_FS is not set @@ -542,10 +991,14 @@ CONFIG_NFS_V3=y # CONFIG_NFS_V3_ACL is not set # CONFIG_NFS_V4 is not set # CONFIG_NFS_DIRECTIO is not set -# CONFIG_NFSD is not set -CONFIG_ROOT_NFS=y +CONFIG_NFSD=m +CONFIG_NFSD_V3=y +# CONFIG_NFSD_V3_ACL is not set +# CONFIG_NFSD_V4 is not set +# CONFIG_NFSD_TCP is not set CONFIG_LOCKD=y CONFIG_LOCKD_V4=y +CONFIG_EXPORTFS=m CONFIG_NFS_COMMON=y CONFIG_SUNRPC=y # CONFIG_RPCSEC_GSS_KRB5 is not set @@ -567,7 +1020,7 @@ CONFIG_MSDOS_PARTITION=y # Native Language Support # CONFIG_NLS=y -CONFIG_NLS_DEFAULT="iso8859-1" +CONFIG_NLS_DEFAULT="cp437" CONFIG_NLS_CODEPAGE_437=y # CONFIG_NLS_CODEPAGE_737 is not set # CONFIG_NLS_CODEPAGE_775 is not set @@ -592,7 +1045,7 @@ CONFIG_NLS_CODEPAGE_932=y # CONFIG_NLS_CODEPAGE_1250 is not set # CONFIG_NLS_CODEPAGE_1251 is not set # CONFIG_NLS_ASCII is not set -# CONFIG_NLS_ISO8859_1 is not set +CONFIG_NLS_ISO8859_1=y # CONFIG_NLS_ISO8859_2 is not set # CONFIG_NLS_ISO8859_3 is not set # CONFIG_NLS_ISO8859_4 is not set @@ -605,32 +1058,28 @@ CONFIG_NLS_CODEPAGE_932=y # CONFIG_NLS_ISO8859_15 is not set # CONFIG_NLS_KOI8_R is not set # CONFIG_NLS_KOI8_U is not set -CONFIG_NLS_UTF8=y +# CONFIG_NLS_UTF8 is not set # # Profiling support # -# CONFIG_PROFILING is not set +CONFIG_PROFILING=y +CONFIG_OPROFILE=m # # Kernel hacking # # CONFIG_PRINTK_TIME is not set -CONFIG_DEBUG_KERNEL=y -CONFIG_MAGIC_SYSRQ=y +CONFIG_ENABLE_MUST_CHECK=y +# CONFIG_MAGIC_SYSRQ is not set +# CONFIG_UNUSED_SYMBOLS is not set +# CONFIG_DEBUG_KERNEL is not set CONFIG_LOG_BUF_SHIFT=14 -CONFIG_DETECT_SOFTLOCKUP=y -# CONFIG_SCHEDSTATS is not set -# CONFIG_DEBUG_SLAB is not set -# CONFIG_DEBUG_SPINLOCK is not set -# CONFIG_DEBUG_SPINLOCK_SLEEP is not set -# CONFIG_DEBUG_KOBJECT is not set -# CONFIG_DEBUG_BUGVERBOSE is not set -CONFIG_DEBUG_INFO=y +CONFIG_DEBUG_BUGVERBOSE=y # CONFIG_DEBUG_FS is not set # CONFIG_FRAME_POINTER is not set -# CONFIG_DEBUG_STACKOVERFLOW is not set -# CONFIG_DEBUG_STACK_USAGE is not set +# CONFIG_UNWIND_INFO is not set +# CONFIG_HEADERS_CHECK is not set # # Security options @@ -641,7 +1090,38 @@ CONFIG_DEBUG_INFO=y # # Cryptographic options # -# CONFIG_CRYPTO is not set +CONFIG_CRYPTO=y +CONFIG_CRYPTO_ALGAPI=y +CONFIG_CRYPTO_BLKCIPHER=m +CONFIG_CRYPTO_HASH=y +CONFIG_CRYPTO_MANAGER=y +CONFIG_CRYPTO_HMAC=y +CONFIG_CRYPTO_NULL=m +CONFIG_CRYPTO_MD4=m +CONFIG_CRYPTO_MD5=m +CONFIG_CRYPTO_SHA1=m +CONFIG_CRYPTO_SHA256=m +CONFIG_CRYPTO_SHA512=m +CONFIG_CRYPTO_WP512=m +# CONFIG_CRYPTO_TGR192 is not set +CONFIG_CRYPTO_ECB=m +CONFIG_CRYPTO_CBC=m +CONFIG_CRYPTO_DES=m +CONFIG_CRYPTO_BLOWFISH=m +CONFIG_CRYPTO_TWOFISH=m +CONFIG_CRYPTO_TWOFISH_COMMON=m +CONFIG_CRYPTO_SERPENT=m +CONFIG_CRYPTO_AES=m +# CONFIG_CRYPTO_CAST5 is not set +# CONFIG_CRYPTO_CAST6 is not set +# CONFIG_CRYPTO_TEA is not set +# CONFIG_CRYPTO_ARC4 is not set +# CONFIG_CRYPTO_KHAZAD is not set +# CONFIG_CRYPTO_ANUBIS is not set +# CONFIG_CRYPTO_DEFLATE is not set +# CONFIG_CRYPTO_MICHAEL_MIC is not set +CONFIG_CRYPTO_CRC32C=m +# CONFIG_CRYPTO_TEST is not set # # Hardware crypto devices @@ -650,8 +1130,12 @@ CONFIG_DEBUG_INFO=y # # Library routines # -# CONFIG_CRC_CCITT is not set -# CONFIG_CRC16 is not set +CONFIG_CRC_CCITT=m +CONFIG_CRC16=m CONFIG_CRC32=y -CONFIG_LIBCRC32C=y -CONFIG_ZLIB_INFLATE=y +CONFIG_LIBCRC32C=m +CONFIG_TEXTSEARCH=y +CONFIG_TEXTSEARCH_KMP=m +CONFIG_TEXTSEARCH_BM=m +CONFIG_TEXTSEARCH_FSM=m +CONFIG_PLIST=y diff --git a/arch/m32r/m32700ut/defconfig.m32700ut.smp b/arch/m32r/m32700ut/defconfig.m32700ut.smp index 3e607d90b5f..13579917afe 100644 --- a/arch/m32r/m32700ut/defconfig.m32700ut.smp +++ b/arch/m32r/m32700ut/defconfig.m32700ut.smp @@ -1,19 +1,18 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.12-rc5 -# Fri Jun 3 16:20:58 2005 +# Linux kernel version: 2.6.19 +# Tue Dec 12 17:52:38 2006 # CONFIG_M32R=y -# CONFIG_UID16 is not set CONFIG_GENERIC_ISA_DMA=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" # # Code maturity level options # CONFIG_EXPERIMENTAL=y -CONFIG_CLEAN_COMPILE=y CONFIG_LOCK_KERNEL=y CONFIG_INIT_ENV_ARG_LIMIT=32 @@ -21,33 +20,40 @@ CONFIG_INIT_ENV_ARG_LIMIT=32 # General setup # CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y CONFIG_SWAP=y CONFIG_SYSVIPC=y +# CONFIG_IPC_NS is not set # CONFIG_POSIX_MQUEUE is not set CONFIG_BSD_PROCESS_ACCT=y # CONFIG_BSD_PROCESS_ACCT_V3 is not set -CONFIG_SYSCTL=y +# CONFIG_TASKSTATS is not set +# CONFIG_UTS_NS is not set # CONFIG_AUDIT is not set -CONFIG_HOTPLUG=y -CONFIG_KOBJECT_UEVENT=y CONFIG_IKCONFIG=y -# CONFIG_IKCONFIG_PROC is not set +CONFIG_IKCONFIG_PROC=y # CONFIG_CPUSETS is not set +CONFIG_SYSFS_DEPRECATED=y +# CONFIG_RELAY is not set +CONFIG_INITRAMFS_SOURCE="" +# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set +CONFIG_SYSCTL=y CONFIG_EMBEDDED=y +CONFIG_SYSCTL_SYSCALL=y # CONFIG_KALLSYMS is not set +CONFIG_HOTPLUG=y CONFIG_PRINTK=y CONFIG_BUG=y +CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y # CONFIG_FUTEX is not set # CONFIG_EPOLL is not set -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_SHMEM=y -CONFIG_CC_ALIGN_FUNCTIONS=0 -CONFIG_CC_ALIGN_LABELS=0 -CONFIG_CC_ALIGN_LOOPS=0 -CONFIG_CC_ALIGN_JUMPS=0 +CONFIG_SLAB=y +CONFIG_VM_EVENT_COUNTERS=y # CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 +# CONFIG_SLOB is not set # # Loadable module support @@ -55,13 +61,31 @@ CONFIG_BASE_SMALL=0 CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y # CONFIG_MODULE_FORCE_UNLOAD is not set -CONFIG_OBSOLETE_MODPARM=y # CONFIG_MODVERSIONS is not set # CONFIG_MODULE_SRCVERSION_ALL is not set CONFIG_KMOD=y CONFIG_STOP_MACHINE=y # +# Block layer +# +CONFIG_BLOCK=y +# CONFIG_BLK_DEV_IO_TRACE is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +# CONFIG_IOSCHED_AS is not set +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +# CONFIG_DEFAULT_AS is not set +# CONFIG_DEFAULT_DEADLINE is not set +CONFIG_DEFAULT_CFQ=y +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="cfq" + +# # Processor type and features # # CONFIG_PLAT_MAPPI is not set @@ -71,8 +95,10 @@ CONFIG_PLAT_M32700UT=y # CONFIG_PLAT_OAKS32R is not set # CONFIG_PLAT_MAPPI2 is not set # CONFIG_PLAT_MAPPI3 is not set +# CONFIG_PLAT_M32104UT is not set CONFIG_CHIP_M32700=y # CONFIG_CHIP_M32102 is not set +# CONFIG_CHIP_M32104 is not set # CONFIG_CHIP_VDEC2 is not set # CONFIG_CHIP_OPSP is not set CONFIG_MMU=y @@ -86,37 +112,39 @@ CONFIG_TIMER_DIVIDE=128 CONFIG_MEMORY_START=0x08000000 CONFIG_MEMORY_SIZE=0x01000000 CONFIG_NOHIGHMEM=y -# CONFIG_DISCONTIGMEM is not set +CONFIG_ARCH_DISCONTIGMEM_ENABLE=y +CONFIG_SELECT_MEMORY_MODEL=y +# CONFIG_FLATMEM_MANUAL is not set +CONFIG_DISCONTIGMEM_MANUAL=y +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_DISCONTIGMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +CONFIG_NEED_MULTIPLE_NODES=y +# CONFIG_SPARSEMEM_STATIC is not set +CONFIG_SPLIT_PTLOCK_CPUS=4 +# CONFIG_RESOURCES_64BIT is not set +CONFIG_IRAM_START=0x00f00000 +CONFIG_IRAM_SIZE=0x00080000 CONFIG_RWSEM_GENERIC_SPINLOCK=y # CONFIG_RWSEM_XCHGADD_ALGORITHM is not set +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_PREEMPT=y -# CONFIG_HAVE_DEC_LOCK is not set CONFIG_SMP=y -CONFIG_CHIP_M32700_TS1=y +# CONFIG_CHIP_M32700_TS1 is not set CONFIG_NR_CPUS=2 -# CONFIG_NUMA is not set +CONFIG_NODES_SHIFT=1 # # Bus options (PCI, PCMCIA, EISA, MCA, ISA) # -# CONFIG_PCI is not set # CONFIG_ISA is not set # # PCCARD (PCMCIA/CardBus) support # -CONFIG_PCCARD=y -# CONFIG_PCMCIA_DEBUG is not set -CONFIG_PCMCIA=y - -# -# PC-card bridges -# -# CONFIG_TCIC is not set -# CONFIG_M32R_PCC is not set -CONFIG_M32R_CFC=y -CONFIG_M32R_CFC_NUM=1 +# CONFIG_PCCARD is not set # # PCI Hotplug Support @@ -129,6 +157,94 @@ CONFIG_BINFMT_ELF=y # CONFIG_BINFMT_MISC is not set # +# Networking +# +CONFIG_NET=y + +# +# Networking options +# +# CONFIG_NETDEBUG is not set +CONFIG_PACKET=y +# CONFIG_PACKET_MMAP is not set +CONFIG_UNIX=y +CONFIG_XFRM=y +# CONFIG_XFRM_USER is not set +# CONFIG_XFRM_SUB_POLICY is not set +# CONFIG_NET_KEY is not set +CONFIG_INET=y +# CONFIG_IP_MULTICAST is not set +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +# CONFIG_IP_PNP_BOOTP is not set +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_ARPD is not set +# CONFIG_SYN_COOKIES is not set +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +# CONFIG_INET_TUNNEL is not set +CONFIG_INET_XFRM_MODE_TRANSPORT=y +CONFIG_INET_XFRM_MODE_TUNNEL=y +CONFIG_INET_XFRM_MODE_BEET=y +CONFIG_INET_DIAG=y +CONFIG_INET_TCP_DIAG=y +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set +# CONFIG_IPV6 is not set +# CONFIG_INET6_XFRM_TUNNEL is not set +# CONFIG_INET6_TUNNEL is not set +# CONFIG_NETWORK_SECMARK is not set +# CONFIG_NETFILTER is not set + +# +# DCCP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_DCCP is not set + +# +# SCTP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_SCTP is not set + +# +# TIPC Configuration (EXPERIMENTAL) +# +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set + +# +# QoS and/or fair queueing +# +# CONFIG_NET_SCHED is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_HAMRADIO is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_IEEE80211 is not set + +# # Device Drivers # @@ -137,12 +253,100 @@ CONFIG_BINFMT_ELF=y # CONFIG_STANDALONE=y CONFIG_PREVENT_FIRMWARE_BUILD=y -# CONFIG_FW_LOADER is not set +CONFIG_FW_LOADER=y +# CONFIG_SYS_HYPERVISOR is not set + +# +# Connector - unified userspace <-> kernelspace linker +# +# CONFIG_CONNECTOR is not set # # Memory Technology Devices (MTD) # -# CONFIG_MTD is not set +CONFIG_MTD=y +# CONFIG_MTD_DEBUG is not set +# CONFIG_MTD_CONCAT is not set +CONFIG_MTD_PARTITIONS=y +CONFIG_MTD_REDBOOT_PARTS=y +CONFIG_MTD_REDBOOT_DIRECTORY_BLOCK=-1 +# CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED is not set +# CONFIG_MTD_REDBOOT_PARTS_READONLY is not set +# CONFIG_MTD_CMDLINE_PARTS is not set + +# +# User Modules And Translation Layers +# +# CONFIG_MTD_CHAR is not set +CONFIG_MTD_BLOCK=y +# CONFIG_FTL is not set +# CONFIG_NFTL is not set +# CONFIG_INFTL is not set +# CONFIG_RFD_FTL is not set +# CONFIG_SSFDC is not set + +# +# RAM/ROM/Flash chip drivers +# +CONFIG_MTD_CFI=m +CONFIG_MTD_JEDECPROBE=m +CONFIG_MTD_GEN_PROBE=m +CONFIG_MTD_CFI_ADV_OPTIONS=y +# CONFIG_MTD_CFI_NOSWAP is not set +CONFIG_MTD_CFI_BE_BYTE_SWAP=y +# CONFIG_MTD_CFI_LE_BYTE_SWAP is not set +CONFIG_MTD_CFI_GEOMETRY=y +CONFIG_MTD_MAP_BANK_WIDTH_1=y +CONFIG_MTD_MAP_BANK_WIDTH_2=y +CONFIG_MTD_MAP_BANK_WIDTH_4=y +# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set +CONFIG_MTD_CFI_I1=y +# CONFIG_MTD_CFI_I2 is not set +# CONFIG_MTD_CFI_I4 is not set +# CONFIG_MTD_CFI_I8 is not set +# CONFIG_MTD_OTP is not set +# CONFIG_MTD_CFI_INTELEXT is not set +CONFIG_MTD_CFI_AMDSTD=m +# CONFIG_MTD_CFI_STAA is not set +CONFIG_MTD_CFI_UTIL=m +# CONFIG_MTD_RAM is not set +# CONFIG_MTD_ROM is not set +# CONFIG_MTD_ABSENT is not set +# CONFIG_MTD_OBSOLETE_CHIPS is not set + +# +# Mapping drivers for chip access +# +# CONFIG_MTD_COMPLEX_MAPPINGS is not set +# CONFIG_MTD_PHYSMAP is not set +# CONFIG_MTD_PLATRAM is not set + +# +# Self-contained MTD device drivers +# +# CONFIG_MTD_SLRAM is not set +# CONFIG_MTD_PHRAM is not set +# CONFIG_MTD_MTDRAM is not set +# CONFIG_MTD_BLOCK2MTD is not set + +# +# Disk-On-Chip Device Drivers +# +# CONFIG_MTD_DOC2000 is not set +# CONFIG_MTD_DOC2001 is not set +# CONFIG_MTD_DOC2001PLUS is not set + +# +# NAND Flash Device Drivers +# +# CONFIG_MTD_NAND is not set + +# +# OneNAND Flash Device Drivers +# +# CONFIG_MTD_ONENAND is not set # # Parallel port support @@ -156,7 +360,6 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # # Block devices # -# CONFIG_BLK_DEV_FD is not set # CONFIG_BLK_DEV_COW_COMMON is not set CONFIG_BLK_DEV_LOOP=y # CONFIG_BLK_DEV_CRYPTOLOOP is not set @@ -164,23 +367,21 @@ CONFIG_BLK_DEV_NBD=y CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_COUNT=16 CONFIG_BLK_DEV_RAM_SIZE=4096 +CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 # CONFIG_BLK_DEV_INITRD is not set -CONFIG_INITRAMFS_SOURCE="" # CONFIG_CDROM_PKTCDVD is not set +CONFIG_ATA_OVER_ETH=m # -# IO Schedulers +# Misc devices # -CONFIG_IOSCHED_NOOP=y -# CONFIG_IOSCHED_AS is not set -CONFIG_IOSCHED_DEADLINE=y -CONFIG_IOSCHED_CFQ=y -# CONFIG_ATA_OVER_ETH is not set +# CONFIG_TIFM_CORE is not set # # ATA/ATAPI/MFM/RLL support # CONFIG_IDE=y +CONFIG_IDE_MAX_HWIFS=4 CONFIG_BLK_DEV_IDE=y # @@ -189,7 +390,6 @@ CONFIG_BLK_DEV_IDE=y # CONFIG_BLK_DEV_IDE_SATA is not set CONFIG_BLK_DEV_IDEDISK=y # CONFIG_IDEDISK_MULTI_MODE is not set -CONFIG_BLK_DEV_IDECS=y CONFIG_BLK_DEV_IDECD=m # CONFIG_BLK_DEV_IDETAPE is not set # CONFIG_BLK_DEV_IDEFLOPPY is not set @@ -208,7 +408,9 @@ CONFIG_IDE_GENERIC=y # # SCSI device support # +# CONFIG_RAID_ATTRS is not set CONFIG_SCSI=m +# CONFIG_SCSI_NETLINK is not set CONFIG_SCSI_PROC_FS=y # @@ -220,6 +422,7 @@ CONFIG_BLK_DEV_SD=m CONFIG_BLK_DEV_SR=m # CONFIG_BLK_DEV_SR_VENDOR is not set CONFIG_CHR_DEV_SG=m +# CONFIG_CHR_DEV_SCH is not set # # Some SCSI devices (e.g. CD jukebox) support multiple LUNs @@ -229,26 +432,23 @@ CONFIG_SCSI_MULTI_LUN=y # CONFIG_SCSI_LOGGING is not set # -# SCSI Transport Attributes +# SCSI Transports # # CONFIG_SCSI_SPI_ATTRS is not set # CONFIG_SCSI_FC_ATTRS is not set # CONFIG_SCSI_ISCSI_ATTRS is not set +# CONFIG_SCSI_SAS_ATTRS is not set +# CONFIG_SCSI_SAS_LIBSAS is not set # # SCSI low-level drivers # -# CONFIG_SCSI_SATA is not set +# CONFIG_ISCSI_TCP is not set # CONFIG_SCSI_DEBUG is not set # -# PCMCIA SCSI adapter support +# Serial ATA (prod) and Parallel ATA (experimental) drivers # -# CONFIG_PCMCIA_AHA152X is not set -# CONFIG_PCMCIA_FDOMAIN is not set -# CONFIG_PCMCIA_NINJA_SCSI is not set -# CONFIG_PCMCIA_QLOGIC is not set -# CONFIG_PCMCIA_SYM53C500 is not set # # Multi-device support (RAID and LVM) @@ -258,6 +458,7 @@ CONFIG_SCSI_MULTI_LUN=y # # Fusion MPT device support # +# CONFIG_FUSION is not set # # IEEE 1394 (FireWire) support @@ -268,69 +469,8 @@ CONFIG_SCSI_MULTI_LUN=y # # -# Networking support -# -CONFIG_NET=y - -# -# Networking options -# -CONFIG_PACKET=y -# CONFIG_PACKET_MMAP is not set -CONFIG_UNIX=y -# CONFIG_NET_KEY is not set -CONFIG_INET=y -# CONFIG_IP_MULTICAST is not set -# CONFIG_IP_ADVANCED_ROUTER is not set -CONFIG_IP_PNP=y -CONFIG_IP_PNP_DHCP=y -# CONFIG_IP_PNP_BOOTP is not set -# CONFIG_IP_PNP_RARP is not set -# CONFIG_NET_IPIP is not set -# CONFIG_NET_IPGRE is not set -# CONFIG_ARPD is not set -# CONFIG_SYN_COOKIES is not set -# CONFIG_INET_AH is not set -# CONFIG_INET_ESP is not set -# CONFIG_INET_IPCOMP is not set -# CONFIG_INET_TUNNEL is not set -CONFIG_IP_TCPDIAG=y -# CONFIG_IP_TCPDIAG_IPV6 is not set -# CONFIG_IPV6 is not set -# CONFIG_NETFILTER is not set - -# -# SCTP Configuration (EXPERIMENTAL) -# -# CONFIG_IP_SCTP is not set -# CONFIG_ATM is not set -# CONFIG_BRIDGE is not set -# CONFIG_VLAN_8021Q is not set -# CONFIG_DECNET is not set -# CONFIG_LLC2 is not set -# CONFIG_IPX is not set -# CONFIG_ATALK is not set -# CONFIG_X25 is not set -# CONFIG_LAPB is not set -# CONFIG_NET_DIVERT is not set -# CONFIG_ECONET is not set -# CONFIG_WAN_ROUTER is not set - -# -# QoS and/or fair queueing -# -# CONFIG_NET_SCHED is not set -# CONFIG_NET_CLS_ROUTE is not set - -# -# Network testing +# Network device support # -# CONFIG_NET_PKTGEN is not set -# CONFIG_NETPOLL is not set -# CONFIG_NET_POLL_CONTROLLER is not set -# CONFIG_HAMRADIO is not set -# CONFIG_IRDA is not set -# CONFIG_BT is not set CONFIG_NETDEVICES=y # CONFIG_DUMMY is not set # CONFIG_BONDING is not set @@ -338,6 +478,11 @@ CONFIG_NETDEVICES=y # CONFIG_TUN is not set # +# PHY device support +# +# CONFIG_PHYLIB is not set + +# # Ethernet (10 or 100Mbit) # CONFIG_NET_ETHERNET=y @@ -363,11 +508,6 @@ CONFIG_SMC91X=y # CONFIG_NET_RADIO is not set # -# PCMCIA network device support -# -# CONFIG_NET_PCMCIA is not set - -# # Wan interfaces # # CONFIG_WAN is not set @@ -375,6 +515,8 @@ CONFIG_SMC91X=y # CONFIG_SLIP is not set # CONFIG_SHAPER is not set # CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set # # ISDN subsystem @@ -390,6 +532,7 @@ CONFIG_SMC91X=y # Input device support # CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set # # Userland interfaces @@ -418,7 +561,6 @@ CONFIG_SERIO_SERPORT=y # CONFIG_SERIO_LIBPS2 is not set # CONFIG_SERIO_RAW is not set # CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y # # Character devices @@ -426,6 +568,7 @@ CONFIG_SOUND_GAMEPORT=y CONFIG_VT=y CONFIG_VT_CONSOLE=y CONFIG_HW_CONSOLE=y +# CONFIG_VT_HW_CONSOLE_BINDING is not set # CONFIG_SERIAL_NONSTANDARD is not set # @@ -454,8 +597,8 @@ CONFIG_LEGACY_PTY_COUNT=256 # Watchdog Cards # # CONFIG_WATCHDOG is not set +CONFIG_HW_RANDOM=y # CONFIG_RTC is not set -# CONFIG_GEN_RTC is not set CONFIG_DS1302=y # CONFIG_DTLK is not set # CONFIG_R3964 is not set @@ -463,17 +606,12 @@ CONFIG_DS1302=y # # Ftape, the floppy tape device driver # -# CONFIG_DRM is not set - -# -# PCMCIA character devices -# -# CONFIG_SYNCLINK_CS is not set # CONFIG_RAW_DRIVER is not set # # TPM devices # +# CONFIG_TCG_TPM is not set # # I2C support @@ -481,34 +619,51 @@ CONFIG_DS1302=y # CONFIG_I2C is not set # +# SPI support +# +# CONFIG_SPI is not set +# CONFIG_SPI_MASTER is not set + +# # Dallas's 1-wire bus # # CONFIG_W1 is not set # -# Misc devices +# Hardware Monitoring support # +CONFIG_HWMON=y +# CONFIG_HWMON_VID is not set +# CONFIG_SENSORS_ABITUGURU is not set +# CONFIG_SENSORS_F71805F is not set +# CONFIG_SENSORS_VT1211 is not set +# CONFIG_HWMON_DEBUG_CHIP is not set # # Multimedia devices # -CONFIG_VIDEO_DEV=y +CONFIG_VIDEO_DEV=m +CONFIG_VIDEO_V4L1=y +CONFIG_VIDEO_V4L1_COMPAT=y +CONFIG_VIDEO_V4L2=y # -# Video For Linux +# Video Capture Adapters # # -# Video Adapters +# Video Capture Adapters # +# CONFIG_VIDEO_ADV_DEBUG is not set +CONFIG_VIDEO_HELPER_CHIPS_AUTO=y +# CONFIG_VIDEO_VIVI is not set # CONFIG_VIDEO_CPIA is not set -CONFIG_VIDEO_M32R_AR=y -CONFIG_VIDEO_M32R_AR_M64278=y +CONFIG_VIDEO_M32R_AR=m +CONFIG_VIDEO_M32R_AR_M64278=m # # Radio Adapters # -# CONFIG_RADIO_MAESTRO is not set # # Digital Video Broadcasting Devices @@ -518,15 +673,16 @@ CONFIG_VIDEO_M32R_AR_M64278=y # # Graphics support # +CONFIG_FIRMWARE_EDID=y CONFIG_FB=y -# CONFIG_FB_CFB_FILLRECT is not set -# CONFIG_FB_CFB_COPYAREA is not set -# CONFIG_FB_CFB_IMAGEBLIT is not set -# CONFIG_FB_SOFT_CURSOR is not set +CONFIG_FB_CFB_FILLRECT=y +CONFIG_FB_CFB_COPYAREA=y +CONFIG_FB_CFB_IMAGEBLIT=y # CONFIG_FB_MACMODES is not set +# CONFIG_FB_BACKLIGHT is not set # CONFIG_FB_MODE_HELPERS is not set # CONFIG_FB_TILEBLITTING is not set -# CONFIG_FB_S1D13XXX is not set +CONFIG_FB_S1D13XXX=y # CONFIG_FB_VIRTUAL is not set # @@ -535,6 +691,7 @@ CONFIG_FB=y # CONFIG_VGA_CONSOLE is not set CONFIG_DUMMY_CONSOLE=y CONFIG_FRAMEBUFFER_CONSOLE=y +# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set # CONFIG_FONTS is not set CONFIG_FONT_8x8=y CONFIG_FONT_8x16=y @@ -546,6 +703,7 @@ CONFIG_LOGO=y CONFIG_LOGO_LINUX_MONO=y CONFIG_LOGO_LINUX_VGA16=y CONFIG_LOGO_LINUX_CLUT224=y +CONFIG_LOGO_M32R_CLUT224=y # CONFIG_BACKLIGHT_LCD_SUPPORT is not set # @@ -558,6 +716,11 @@ CONFIG_LOGO_LINUX_CLUT224=y # # CONFIG_USB_ARCH_HAS_HCD is not set # CONFIG_USB_ARCH_HAS_OHCI is not set +# CONFIG_USB_ARCH_HAS_EHCI is not set + +# +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# # # USB Gadget Support @@ -567,23 +730,62 @@ CONFIG_LOGO_LINUX_CLUT224=y # # MMC/SD Card support # -# CONFIG_MMC is not set +CONFIG_MMC=y +CONFIG_MMC_DEBUG=y +CONFIG_MMC_BLOCK=y +# CONFIG_MMC_TIFM_SD is not set + +# +# LED devices +# +# CONFIG_NEW_LEDS is not set + +# +# LED drivers +# + +# +# LED Triggers +# # # InfiniBand support # -# CONFIG_INFINIBAND is not set + +# +# EDAC - error detection and reporting (RAS) (EXPERIMENTAL) +# + +# +# Real Time Clock +# +# CONFIG_RTC_CLASS is not set + +# +# DMA Engine support +# +# CONFIG_DMA_ENGINE is not set + +# +# DMA Clients +# + +# +# DMA Devices +# # # File systems # CONFIG_EXT2_FS=y # CONFIG_EXT2_FS_XATTR is not set -CONFIG_EXT3_FS=m +# CONFIG_EXT2_FS_XIP is not set +CONFIG_EXT3_FS=y CONFIG_EXT3_FS_XATTR=y # CONFIG_EXT3_FS_POSIX_ACL is not set # CONFIG_EXT3_FS_SECURITY is not set -CONFIG_JBD=m +# CONFIG_EXT4DEV_FS is not set +CONFIG_JBD=y CONFIG_JBD_DEBUG=y CONFIG_FS_MBCACHE=y CONFIG_REISERFS_FS=m @@ -591,17 +793,19 @@ CONFIG_REISERFS_FS=m # CONFIG_REISERFS_PROC_INFO is not set # CONFIG_REISERFS_FS_XATTR is not set # CONFIG_JFS_FS is not set - -# -# XFS support -# +# CONFIG_FS_POSIX_ACL is not set # CONFIG_XFS_FS is not set +# CONFIG_GFS2_FS is not set +# CONFIG_OCFS2_FS is not set # CONFIG_MINIX_FS is not set # CONFIG_ROMFS_FS is not set +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y # CONFIG_QUOTA is not set CONFIG_DNOTIFY=y # CONFIG_AUTOFS_FS is not set # CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set # # CD-ROM/DVD Filesystems @@ -627,15 +831,13 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" # CONFIG_PROC_FS=y CONFIG_PROC_KCORE=y +CONFIG_PROC_SYSCTL=y CONFIG_SYSFS=y -CONFIG_DEVFS_FS=y -CONFIG_DEVFS_MOUNT=y -# CONFIG_DEVFS_DEBUG is not set -# CONFIG_DEVPTS_FS_XATTR is not set CONFIG_TMPFS=y -# CONFIG_TMPFS_XATTR is not set +# CONFIG_TMPFS_POSIX_ACL is not set # CONFIG_HUGETLB_PAGE is not set CONFIG_RAMFS=y +# CONFIG_CONFIGFS_FS is not set # # Miscellaneous filesystems @@ -647,6 +849,8 @@ CONFIG_RAMFS=y # CONFIG_BEFS_FS is not set # CONFIG_BFS_FS is not set # CONFIG_EFS_FS is not set +# CONFIG_JFFS_FS is not set +# CONFIG_JFFS2_FS is not set # CONFIG_CRAMFS is not set # CONFIG_VXFS_FS is not set # CONFIG_HPFS_FS is not set @@ -659,12 +863,14 @@ CONFIG_RAMFS=y # CONFIG_NFS_FS=y CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set # CONFIG_NFS_V4 is not set # CONFIG_NFS_DIRECTIO is not set # CONFIG_NFSD is not set CONFIG_ROOT_NFS=y CONFIG_LOCKD=y CONFIG_LOCKD_V4=y +CONFIG_NFS_COMMON=y CONFIG_SUNRPC=y # CONFIG_RPCSEC_GSS_KRB5 is not set # CONFIG_RPCSEC_GSS_SPKM3 is not set @@ -673,6 +879,7 @@ CONFIG_SUNRPC=y # CONFIG_NCP_FS is not set # CONFIG_CODA_FS is not set # CONFIG_AFS_FS is not set +# CONFIG_9P_FS is not set # # Partition Types @@ -727,16 +934,23 @@ CONFIG_NLS_DEFAULT="iso8859-1" # # Profiling support # -# CONFIG_PROFILING is not set +CONFIG_PROFILING=y +CONFIG_OPROFILE=y # # Kernel hacking # # CONFIG_PRINTK_TIME is not set +CONFIG_ENABLE_MUST_CHECK=y +# CONFIG_MAGIC_SYSRQ is not set +# CONFIG_UNUSED_SYMBOLS is not set # CONFIG_DEBUG_KERNEL is not set CONFIG_LOG_BUF_SHIFT=15 # CONFIG_DEBUG_BUGVERBOSE is not set +# CONFIG_DEBUG_FS is not set # CONFIG_FRAME_POINTER is not set +# CONFIG_UNWIND_INFO is not set +# CONFIG_HEADERS_CHECK is not set # # Security options @@ -750,12 +964,9 @@ CONFIG_LOG_BUF_SHIFT=15 # CONFIG_CRYPTO is not set # -# Hardware crypto devices -# - -# # Library routines # # CONFIG_CRC_CCITT is not set +# CONFIG_CRC16 is not set CONFIG_CRC32=y # CONFIG_LIBCRC32C is not set diff --git a/arch/m32r/m32700ut/defconfig.m32700ut.up b/arch/m32r/m32700ut/defconfig.m32700ut.up index 2d3e7cda8f4..190f961d33e 100644 --- a/arch/m32r/m32700ut/defconfig.m32700ut.up +++ b/arch/m32r/m32700ut/defconfig.m32700ut.up @@ -1,19 +1,18 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.12-rc5 -# Fri Jun 3 16:21:34 2005 +# Linux kernel version: 2.6.19 +# Tue Dec 12 12:07:08 2006 # CONFIG_M32R=y -# CONFIG_UID16 is not set CONFIG_GENERIC_ISA_DMA=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" # # Code maturity level options # CONFIG_EXPERIMENTAL=y -CONFIG_CLEAN_COMPILE=y CONFIG_BROKEN_ON_SMP=y CONFIG_LOCK_KERNEL=y CONFIG_INIT_ENV_ARG_LIMIT=32 @@ -22,32 +21,39 @@ CONFIG_INIT_ENV_ARG_LIMIT=32 # General setup # CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y CONFIG_SWAP=y CONFIG_SYSVIPC=y +# CONFIG_IPC_NS is not set # CONFIG_POSIX_MQUEUE is not set CONFIG_BSD_PROCESS_ACCT=y # CONFIG_BSD_PROCESS_ACCT_V3 is not set -CONFIG_SYSCTL=y +# CONFIG_TASKSTATS is not set +# CONFIG_UTS_NS is not set # CONFIG_AUDIT is not set -CONFIG_HOTPLUG=y -CONFIG_KOBJECT_UEVENT=y CONFIG_IKCONFIG=y -# CONFIG_IKCONFIG_PROC is not set +CONFIG_IKCONFIG_PROC=y +CONFIG_SYSFS_DEPRECATED=y +# CONFIG_RELAY is not set +CONFIG_INITRAMFS_SOURCE="" +# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set +CONFIG_SYSCTL=y CONFIG_EMBEDDED=y +CONFIG_SYSCTL_SYSCALL=y # CONFIG_KALLSYMS is not set +CONFIG_HOTPLUG=y CONFIG_PRINTK=y CONFIG_BUG=y +CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y # CONFIG_FUTEX is not set # CONFIG_EPOLL is not set -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_SHMEM=y -CONFIG_CC_ALIGN_FUNCTIONS=0 -CONFIG_CC_ALIGN_LABELS=0 -CONFIG_CC_ALIGN_LOOPS=0 -CONFIG_CC_ALIGN_JUMPS=0 +CONFIG_SLAB=y +CONFIG_VM_EVENT_COUNTERS=y # CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 +# CONFIG_SLOB is not set # # Loadable module support @@ -55,12 +61,30 @@ CONFIG_BASE_SMALL=0 CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y # CONFIG_MODULE_FORCE_UNLOAD is not set -CONFIG_OBSOLETE_MODPARM=y # CONFIG_MODVERSIONS is not set # CONFIG_MODULE_SRCVERSION_ALL is not set CONFIG_KMOD=y # +# Block layer +# +CONFIG_BLOCK=y +# CONFIG_BLK_DEV_IO_TRACE is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +# CONFIG_IOSCHED_AS is not set +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +# CONFIG_DEFAULT_AS is not set +# CONFIG_DEFAULT_DEADLINE is not set +CONFIG_DEFAULT_CFQ=y +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="cfq" + +# # Processor type and features # # CONFIG_PLAT_MAPPI is not set @@ -70,8 +94,10 @@ CONFIG_PLAT_M32700UT=y # CONFIG_PLAT_OAKS32R is not set # CONFIG_PLAT_MAPPI2 is not set # CONFIG_PLAT_MAPPI3 is not set +# CONFIG_PLAT_M32104UT is not set CONFIG_CHIP_M32700=y # CONFIG_CHIP_M32102 is not set +# CONFIG_CHIP_M32104 is not set # CONFIG_CHIP_VDEC2 is not set # CONFIG_CHIP_OPSP is not set CONFIG_MMU=y @@ -85,34 +111,37 @@ CONFIG_TIMER_DIVIDE=128 CONFIG_MEMORY_START=0x08000000 CONFIG_MEMORY_SIZE=0x01000000 CONFIG_NOHIGHMEM=y -# CONFIG_DISCONTIGMEM is not set +CONFIG_ARCH_DISCONTIGMEM_ENABLE=y +CONFIG_SELECT_MEMORY_MODEL=y +# CONFIG_FLATMEM_MANUAL is not set +CONFIG_DISCONTIGMEM_MANUAL=y +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_DISCONTIGMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +CONFIG_NEED_MULTIPLE_NODES=y +# CONFIG_SPARSEMEM_STATIC is not set +CONFIG_SPLIT_PTLOCK_CPUS=4 +# CONFIG_RESOURCES_64BIT is not set +CONFIG_IRAM_START=0x00f00000 +CONFIG_IRAM_SIZE=0x00080000 CONFIG_RWSEM_GENERIC_SPINLOCK=y # CONFIG_RWSEM_XCHGADD_ALGORITHM is not set +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_PREEMPT=y -# CONFIG_HAVE_DEC_LOCK is not set # CONFIG_SMP is not set +CONFIG_NODES_SHIFT=1 # # Bus options (PCI, PCMCIA, EISA, MCA, ISA) # -# CONFIG_PCI is not set # CONFIG_ISA is not set # # PCCARD (PCMCIA/CardBus) support # -CONFIG_PCCARD=y -# CONFIG_PCMCIA_DEBUG is not set -CONFIG_PCMCIA=y - -# -# PC-card bridges -# -# CONFIG_TCIC is not set -# CONFIG_M32R_PCC is not set -CONFIG_M32R_CFC=y -CONFIG_M32R_CFC_NUM=1 +# CONFIG_PCCARD is not set # # PCI Hotplug Support @@ -125,6 +154,94 @@ CONFIG_BINFMT_ELF=y # CONFIG_BINFMT_MISC is not set # +# Networking +# +CONFIG_NET=y + +# +# Networking options +# +# CONFIG_NETDEBUG is not set +CONFIG_PACKET=y +# CONFIG_PACKET_MMAP is not set +CONFIG_UNIX=y +CONFIG_XFRM=y +# CONFIG_XFRM_USER is not set +# CONFIG_XFRM_SUB_POLICY is not set +# CONFIG_NET_KEY is not set +CONFIG_INET=y +# CONFIG_IP_MULTICAST is not set +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +# CONFIG_IP_PNP_BOOTP is not set +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_ARPD is not set +# CONFIG_SYN_COOKIES is not set +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +# CONFIG_INET_TUNNEL is not set +CONFIG_INET_XFRM_MODE_TRANSPORT=y +CONFIG_INET_XFRM_MODE_TUNNEL=y +CONFIG_INET_XFRM_MODE_BEET=y +CONFIG_INET_DIAG=y +CONFIG_INET_TCP_DIAG=y +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set +# CONFIG_IPV6 is not set +# CONFIG_INET6_XFRM_TUNNEL is not set +# CONFIG_INET6_TUNNEL is not set +# CONFIG_NETWORK_SECMARK is not set +# CONFIG_NETFILTER is not set + +# +# DCCP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_DCCP is not set + +# +# SCTP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_SCTP is not set + +# +# TIPC Configuration (EXPERIMENTAL) +# +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set + +# +# QoS and/or fair queueing +# +# CONFIG_NET_SCHED is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_HAMRADIO is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_IEEE80211 is not set + +# # Device Drivers # @@ -133,12 +250,100 @@ CONFIG_BINFMT_ELF=y # CONFIG_STANDALONE=y CONFIG_PREVENT_FIRMWARE_BUILD=y -# CONFIG_FW_LOADER is not set +CONFIG_FW_LOADER=y +# CONFIG_SYS_HYPERVISOR is not set + +# +# Connector - unified userspace <-> kernelspace linker +# +# CONFIG_CONNECTOR is not set # # Memory Technology Devices (MTD) # -# CONFIG_MTD is not set +CONFIG_MTD=y +# CONFIG_MTD_DEBUG is not set +# CONFIG_MTD_CONCAT is not set +CONFIG_MTD_PARTITIONS=y +CONFIG_MTD_REDBOOT_PARTS=y +CONFIG_MTD_REDBOOT_DIRECTORY_BLOCK=-1 +# CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED is not set +# CONFIG_MTD_REDBOOT_PARTS_READONLY is not set +# CONFIG_MTD_CMDLINE_PARTS is not set + +# +# User Modules And Translation Layers +# +# CONFIG_MTD_CHAR is not set +CONFIG_MTD_BLOCK=y +# CONFIG_FTL is not set +# CONFIG_NFTL is not set +# CONFIG_INFTL is not set +# CONFIG_RFD_FTL is not set +# CONFIG_SSFDC is not set + +# +# RAM/ROM/Flash chip drivers +# +CONFIG_MTD_CFI=m +CONFIG_MTD_JEDECPROBE=m +CONFIG_MTD_GEN_PROBE=m +CONFIG_MTD_CFI_ADV_OPTIONS=y +# CONFIG_MTD_CFI_NOSWAP is not set +CONFIG_MTD_CFI_BE_BYTE_SWAP=y +# CONFIG_MTD_CFI_LE_BYTE_SWAP is not set +CONFIG_MTD_CFI_GEOMETRY=y +CONFIG_MTD_MAP_BANK_WIDTH_1=y +CONFIG_MTD_MAP_BANK_WIDTH_2=y +CONFIG_MTD_MAP_BANK_WIDTH_4=y +# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set +CONFIG_MTD_CFI_I1=y +# CONFIG_MTD_CFI_I2 is not set +# CONFIG_MTD_CFI_I4 is not set +# CONFIG_MTD_CFI_I8 is not set +# CONFIG_MTD_OTP is not set +# CONFIG_MTD_CFI_INTELEXT is not set +CONFIG_MTD_CFI_AMDSTD=m +# CONFIG_MTD_CFI_STAA is not set +CONFIG_MTD_CFI_UTIL=m +# CONFIG_MTD_RAM is not set +# CONFIG_MTD_ROM is not set +# CONFIG_MTD_ABSENT is not set +# CONFIG_MTD_OBSOLETE_CHIPS is not set + +# +# Mapping drivers for chip access +# +# CONFIG_MTD_COMPLEX_MAPPINGS is not set +# CONFIG_MTD_PHYSMAP is not set +# CONFIG_MTD_PLATRAM is not set + +# +# Self-contained MTD device drivers +# +# CONFIG_MTD_SLRAM is not set +# CONFIG_MTD_PHRAM is not set +# CONFIG_MTD_MTDRAM is not set +# CONFIG_MTD_BLOCK2MTD is not set + +# +# Disk-On-Chip Device Drivers +# +# CONFIG_MTD_DOC2000 is not set +# CONFIG_MTD_DOC2001 is not set +# CONFIG_MTD_DOC2001PLUS is not set + +# +# NAND Flash Device Drivers +# +# CONFIG_MTD_NAND is not set + +# +# OneNAND Flash Device Drivers +# +# CONFIG_MTD_ONENAND is not set # # Parallel port support @@ -152,7 +357,6 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # # Block devices # -# CONFIG_BLK_DEV_FD is not set # CONFIG_BLK_DEV_COW_COMMON is not set CONFIG_BLK_DEV_LOOP=y # CONFIG_BLK_DEV_CRYPTOLOOP is not set @@ -160,23 +364,21 @@ CONFIG_BLK_DEV_NBD=y CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_COUNT=16 CONFIG_BLK_DEV_RAM_SIZE=4096 +CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 # CONFIG_BLK_DEV_INITRD is not set -CONFIG_INITRAMFS_SOURCE="" # CONFIG_CDROM_PKTCDVD is not set +CONFIG_ATA_OVER_ETH=m # -# IO Schedulers +# Misc devices # -CONFIG_IOSCHED_NOOP=y -# CONFIG_IOSCHED_AS is not set -CONFIG_IOSCHED_DEADLINE=y -CONFIG_IOSCHED_CFQ=y -# CONFIG_ATA_OVER_ETH is not set +# CONFIG_TIFM_CORE is not set # # ATA/ATAPI/MFM/RLL support # CONFIG_IDE=y +CONFIG_IDE_MAX_HWIFS=4 CONFIG_BLK_DEV_IDE=y # @@ -185,7 +387,6 @@ CONFIG_BLK_DEV_IDE=y # CONFIG_BLK_DEV_IDE_SATA is not set CONFIG_BLK_DEV_IDEDISK=y # CONFIG_IDEDISK_MULTI_MODE is not set -CONFIG_BLK_DEV_IDECS=y CONFIG_BLK_DEV_IDECD=m # CONFIG_BLK_DEV_IDETAPE is not set # CONFIG_BLK_DEV_IDEFLOPPY is not set @@ -204,7 +405,9 @@ CONFIG_IDE_GENERIC=y # # SCSI device support # +# CONFIG_RAID_ATTRS is not set CONFIG_SCSI=m +# CONFIG_SCSI_NETLINK is not set CONFIG_SCSI_PROC_FS=y # @@ -216,6 +419,7 @@ CONFIG_BLK_DEV_SD=m CONFIG_BLK_DEV_SR=m # CONFIG_BLK_DEV_SR_VENDOR is not set CONFIG_CHR_DEV_SG=m +# CONFIG_CHR_DEV_SCH is not set # # Some SCSI devices (e.g. CD jukebox) support multiple LUNs @@ -225,26 +429,23 @@ CONFIG_SCSI_MULTI_LUN=y # CONFIG_SCSI_LOGGING is not set # -# SCSI Transport Attributes +# SCSI Transports # # CONFIG_SCSI_SPI_ATTRS is not set # CONFIG_SCSI_FC_ATTRS is not set # CONFIG_SCSI_ISCSI_ATTRS is not set +# CONFIG_SCSI_SAS_ATTRS is not set +# CONFIG_SCSI_SAS_LIBSAS is not set # # SCSI low-level drivers # -# CONFIG_SCSI_SATA is not set +# CONFIG_ISCSI_TCP is not set # CONFIG_SCSI_DEBUG is not set # -# PCMCIA SCSI adapter support +# Serial ATA (prod) and Parallel ATA (experimental) drivers # -# CONFIG_PCMCIA_AHA152X is not set -# CONFIG_PCMCIA_FDOMAIN is not set -# CONFIG_PCMCIA_NINJA_SCSI is not set -# CONFIG_PCMCIA_QLOGIC is not set -# CONFIG_PCMCIA_SYM53C500 is not set # # Multi-device support (RAID and LVM) @@ -254,6 +455,7 @@ CONFIG_SCSI_MULTI_LUN=y # # Fusion MPT device support # +# CONFIG_FUSION is not set # # IEEE 1394 (FireWire) support @@ -264,69 +466,8 @@ CONFIG_SCSI_MULTI_LUN=y # # -# Networking support -# -CONFIG_NET=y - -# -# Networking options -# -CONFIG_PACKET=y -# CONFIG_PACKET_MMAP is not set -CONFIG_UNIX=y -# CONFIG_NET_KEY is not set -CONFIG_INET=y -# CONFIG_IP_MULTICAST is not set -# CONFIG_IP_ADVANCED_ROUTER is not set -CONFIG_IP_PNP=y -CONFIG_IP_PNP_DHCP=y -# CONFIG_IP_PNP_BOOTP is not set -# CONFIG_IP_PNP_RARP is not set -# CONFIG_NET_IPIP is not set -# CONFIG_NET_IPGRE is not set -# CONFIG_ARPD is not set -# CONFIG_SYN_COOKIES is not set -# CONFIG_INET_AH is not set -# CONFIG_INET_ESP is not set -# CONFIG_INET_IPCOMP is not set -# CONFIG_INET_TUNNEL is not set -CONFIG_IP_TCPDIAG=y -# CONFIG_IP_TCPDIAG_IPV6 is not set -# CONFIG_IPV6 is not set -# CONFIG_NETFILTER is not set - -# -# SCTP Configuration (EXPERIMENTAL) -# -# CONFIG_IP_SCTP is not set -# CONFIG_ATM is not set -# CONFIG_BRIDGE is not set -# CONFIG_VLAN_8021Q is not set -# CONFIG_DECNET is not set -# CONFIG_LLC2 is not set -# CONFIG_IPX is not set -# CONFIG_ATALK is not set -# CONFIG_X25 is not set -# CONFIG_LAPB is not set -# CONFIG_NET_DIVERT is not set -# CONFIG_ECONET is not set -# CONFIG_WAN_ROUTER is not set - -# -# QoS and/or fair queueing -# -# CONFIG_NET_SCHED is not set -# CONFIG_NET_CLS_ROUTE is not set - -# -# Network testing +# Network device support # -# CONFIG_NET_PKTGEN is not set -# CONFIG_NETPOLL is not set -# CONFIG_NET_POLL_CONTROLLER is not set -# CONFIG_HAMRADIO is not set -# CONFIG_IRDA is not set -# CONFIG_BT is not set CONFIG_NETDEVICES=y # CONFIG_DUMMY is not set # CONFIG_BONDING is not set @@ -334,6 +475,11 @@ CONFIG_NETDEVICES=y # CONFIG_TUN is not set # +# PHY device support +# +# CONFIG_PHYLIB is not set + +# # Ethernet (10 or 100Mbit) # CONFIG_NET_ETHERNET=y @@ -359,11 +505,6 @@ CONFIG_SMC91X=y # CONFIG_NET_RADIO is not set # -# PCMCIA network device support -# -# CONFIG_NET_PCMCIA is not set - -# # Wan interfaces # # CONFIG_WAN is not set @@ -371,6 +512,8 @@ CONFIG_SMC91X=y # CONFIG_SLIP is not set # CONFIG_SHAPER is not set # CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set # # ISDN subsystem @@ -386,6 +529,7 @@ CONFIG_SMC91X=y # Input device support # CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set # # Userland interfaces @@ -414,7 +558,6 @@ CONFIG_SERIO_SERPORT=y # CONFIG_SERIO_LIBPS2 is not set # CONFIG_SERIO_RAW is not set # CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y # # Character devices @@ -422,6 +565,7 @@ CONFIG_SOUND_GAMEPORT=y CONFIG_VT=y CONFIG_VT_CONSOLE=y CONFIG_HW_CONSOLE=y +# CONFIG_VT_HW_CONSOLE_BINDING is not set # CONFIG_SERIAL_NONSTANDARD is not set # @@ -450,8 +594,8 @@ CONFIG_LEGACY_PTY_COUNT=256 # Watchdog Cards # # CONFIG_WATCHDOG is not set +CONFIG_HW_RANDOM=y # CONFIG_RTC is not set -# CONFIG_GEN_RTC is not set CONFIG_DS1302=y # CONFIG_DTLK is not set # CONFIG_R3964 is not set @@ -459,17 +603,12 @@ CONFIG_DS1302=y # # Ftape, the floppy tape device driver # -# CONFIG_DRM is not set - -# -# PCMCIA character devices -# -# CONFIG_SYNCLINK_CS is not set # CONFIG_RAW_DRIVER is not set # # TPM devices # +# CONFIG_TCG_TPM is not set # # I2C support @@ -477,34 +616,51 @@ CONFIG_DS1302=y # CONFIG_I2C is not set # +# SPI support +# +# CONFIG_SPI is not set +# CONFIG_SPI_MASTER is not set + +# # Dallas's 1-wire bus # # CONFIG_W1 is not set # -# Misc devices +# Hardware Monitoring support # +CONFIG_HWMON=y +# CONFIG_HWMON_VID is not set +# CONFIG_SENSORS_ABITUGURU is not set +# CONFIG_SENSORS_F71805F is not set +# CONFIG_SENSORS_VT1211 is not set +# CONFIG_HWMON_DEBUG_CHIP is not set # # Multimedia devices # -CONFIG_VIDEO_DEV=y +CONFIG_VIDEO_DEV=m +CONFIG_VIDEO_V4L1=y +CONFIG_VIDEO_V4L1_COMPAT=y +CONFIG_VIDEO_V4L2=y # -# Video For Linux +# Video Capture Adapters # # -# Video Adapters +# Video Capture Adapters # +# CONFIG_VIDEO_ADV_DEBUG is not set +CONFIG_VIDEO_HELPER_CHIPS_AUTO=y +# CONFIG_VIDEO_VIVI is not set # CONFIG_VIDEO_CPIA is not set -CONFIG_VIDEO_M32R_AR=y -CONFIG_VIDEO_M32R_AR_M64278=y +CONFIG_VIDEO_M32R_AR=m +CONFIG_VIDEO_M32R_AR_M64278=m # # Radio Adapters # -# CONFIG_RADIO_MAESTRO is not set # # Digital Video Broadcasting Devices @@ -514,15 +670,16 @@ CONFIG_VIDEO_M32R_AR_M64278=y # # Graphics support # +CONFIG_FIRMWARE_EDID=y CONFIG_FB=y -# CONFIG_FB_CFB_FILLRECT is not set -# CONFIG_FB_CFB_COPYAREA is not set -# CONFIG_FB_CFB_IMAGEBLIT is not set -# CONFIG_FB_SOFT_CURSOR is not set +CONFIG_FB_CFB_FILLRECT=y +CONFIG_FB_CFB_COPYAREA=y +CONFIG_FB_CFB_IMAGEBLIT=y # CONFIG_FB_MACMODES is not set +# CONFIG_FB_BACKLIGHT is not set # CONFIG_FB_MODE_HELPERS is not set # CONFIG_FB_TILEBLITTING is not set -# CONFIG_FB_S1D13XXX is not set +CONFIG_FB_S1D13XXX=y # CONFIG_FB_VIRTUAL is not set # @@ -531,6 +688,7 @@ CONFIG_FB=y # CONFIG_VGA_CONSOLE is not set CONFIG_DUMMY_CONSOLE=y CONFIG_FRAMEBUFFER_CONSOLE=y +# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set # CONFIG_FONTS is not set CONFIG_FONT_8x8=y CONFIG_FONT_8x16=y @@ -542,6 +700,7 @@ CONFIG_LOGO=y CONFIG_LOGO_LINUX_MONO=y CONFIG_LOGO_LINUX_VGA16=y CONFIG_LOGO_LINUX_CLUT224=y +CONFIG_LOGO_M32R_CLUT224=y # CONFIG_BACKLIGHT_LCD_SUPPORT is not set # @@ -554,6 +713,11 @@ CONFIG_LOGO_LINUX_CLUT224=y # # CONFIG_USB_ARCH_HAS_HCD is not set # CONFIG_USB_ARCH_HAS_OHCI is not set +# CONFIG_USB_ARCH_HAS_EHCI is not set + +# +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# # # USB Gadget Support @@ -563,23 +727,62 @@ CONFIG_LOGO_LINUX_CLUT224=y # # MMC/SD Card support # -# CONFIG_MMC is not set +CONFIG_MMC=y +CONFIG_MMC_DEBUG=y +CONFIG_MMC_BLOCK=y +# CONFIG_MMC_TIFM_SD is not set + +# +# LED devices +# +# CONFIG_NEW_LEDS is not set + +# +# LED drivers +# + +# +# LED Triggers +# # # InfiniBand support # -# CONFIG_INFINIBAND is not set + +# +# EDAC - error detection and reporting (RAS) (EXPERIMENTAL) +# + +# +# Real Time Clock +# +# CONFIG_RTC_CLASS is not set + +# +# DMA Engine support +# +# CONFIG_DMA_ENGINE is not set + +# +# DMA Clients +# + +# +# DMA Devices +# # # File systems # CONFIG_EXT2_FS=y # CONFIG_EXT2_FS_XATTR is not set -CONFIG_EXT3_FS=m +# CONFIG_EXT2_FS_XIP is not set +CONFIG_EXT3_FS=y CONFIG_EXT3_FS_XATTR=y # CONFIG_EXT3_FS_POSIX_ACL is not set # CONFIG_EXT3_FS_SECURITY is not set -CONFIG_JBD=m +# CONFIG_EXT4DEV_FS is not set +CONFIG_JBD=y CONFIG_JBD_DEBUG=y CONFIG_FS_MBCACHE=y CONFIG_REISERFS_FS=m @@ -587,17 +790,19 @@ CONFIG_REISERFS_FS=m # CONFIG_REISERFS_PROC_INFO is not set # CONFIG_REISERFS_FS_XATTR is not set # CONFIG_JFS_FS is not set - -# -# XFS support -# +# CONFIG_FS_POSIX_ACL is not set # CONFIG_XFS_FS is not set +# CONFIG_GFS2_FS is not set +# CONFIG_OCFS2_FS is not set # CONFIG_MINIX_FS is not set # CONFIG_ROMFS_FS is not set +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y # CONFIG_QUOTA is not set CONFIG_DNOTIFY=y # CONFIG_AUTOFS_FS is not set # CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set # # CD-ROM/DVD Filesystems @@ -623,15 +828,13 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" # CONFIG_PROC_FS=y CONFIG_PROC_KCORE=y +CONFIG_PROC_SYSCTL=y CONFIG_SYSFS=y -CONFIG_DEVFS_FS=y -CONFIG_DEVFS_MOUNT=y -# CONFIG_DEVFS_DEBUG is not set -# CONFIG_DEVPTS_FS_XATTR is not set CONFIG_TMPFS=y -# CONFIG_TMPFS_XATTR is not set +# CONFIG_TMPFS_POSIX_ACL is not set # CONFIG_HUGETLB_PAGE is not set CONFIG_RAMFS=y +# CONFIG_CONFIGFS_FS is not set # # Miscellaneous filesystems @@ -643,6 +846,8 @@ CONFIG_RAMFS=y # CONFIG_BEFS_FS is not set # CONFIG_BFS_FS is not set # CONFIG_EFS_FS is not set +# CONFIG_JFFS_FS is not set +# CONFIG_JFFS2_FS is not set # CONFIG_CRAMFS is not set # CONFIG_VXFS_FS is not set # CONFIG_HPFS_FS is not set @@ -655,12 +860,14 @@ CONFIG_RAMFS=y # CONFIG_NFS_FS=y CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set # CONFIG_NFS_V4 is not set # CONFIG_NFS_DIRECTIO is not set # CONFIG_NFSD is not set CONFIG_ROOT_NFS=y CONFIG_LOCKD=y CONFIG_LOCKD_V4=y +CONFIG_NFS_COMMON=y CONFIG_SUNRPC=y # CONFIG_RPCSEC_GSS_KRB5 is not set # CONFIG_RPCSEC_GSS_SPKM3 is not set @@ -669,6 +876,7 @@ CONFIG_SUNRPC=y # CONFIG_NCP_FS is not set # CONFIG_CODA_FS is not set # CONFIG_AFS_FS is not set +# CONFIG_9P_FS is not set # # Partition Types @@ -723,16 +931,23 @@ CONFIG_NLS_DEFAULT="iso8859-1" # # Profiling support # -# CONFIG_PROFILING is not set +CONFIG_PROFILING=y +CONFIG_OPROFILE=y # # Kernel hacking # # CONFIG_PRINTK_TIME is not set +CONFIG_ENABLE_MUST_CHECK=y +# CONFIG_MAGIC_SYSRQ is not set +# CONFIG_UNUSED_SYMBOLS is not set # CONFIG_DEBUG_KERNEL is not set CONFIG_LOG_BUF_SHIFT=14 # CONFIG_DEBUG_BUGVERBOSE is not set +# CONFIG_DEBUG_FS is not set # CONFIG_FRAME_POINTER is not set +# CONFIG_UNWIND_INFO is not set +# CONFIG_HEADERS_CHECK is not set # # Security options @@ -746,12 +961,9 @@ CONFIG_LOG_BUF_SHIFT=14 # CONFIG_CRYPTO is not set # -# Hardware crypto devices -# - -# # Library routines # # CONFIG_CRC_CCITT is not set +# CONFIG_CRC16 is not set CONFIG_CRC32=y # CONFIG_LIBCRC32C is not set diff --git a/arch/m32r/mappi/defconfig.nommu b/arch/m32r/mappi/defconfig.nommu index a8425fba340..fbf6c384c9d 100644 --- a/arch/m32r/mappi/defconfig.nommu +++ b/arch/m32r/mappi/defconfig.nommu @@ -1,19 +1,18 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.12-rc5 -# Fri Jun 3 16:21:46 2005 +# Linux kernel version: 2.6.19 +# Wed Dec 13 17:57:45 2006 # CONFIG_M32R=y -# CONFIG_UID16 is not set CONFIG_GENERIC_ISA_DMA=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" # # Code maturity level options # CONFIG_EXPERIMENTAL=y -CONFIG_CLEAN_COMPILE=y CONFIG_BROKEN_ON_SMP=y CONFIG_LOCK_KERNEL=y CONFIG_INIT_ENV_ARG_LIMIT=32 @@ -22,29 +21,36 @@ CONFIG_INIT_ENV_ARG_LIMIT=32 # General setup # CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y +# CONFIG_SYSVIPC is not set # CONFIG_POSIX_MQUEUE is not set CONFIG_BSD_PROCESS_ACCT=y # CONFIG_BSD_PROCESS_ACCT_V3 is not set -CONFIG_SYSCTL=y +# CONFIG_TASKSTATS is not set +# CONFIG_UTS_NS is not set # CONFIG_AUDIT is not set -CONFIG_HOTPLUG=y -CONFIG_KOBJECT_UEVENT=y CONFIG_IKCONFIG=y # CONFIG_IKCONFIG_PROC is not set +CONFIG_SYSFS_DEPRECATED=y +# CONFIG_RELAY is not set +CONFIG_INITRAMFS_SOURCE="" +# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set +CONFIG_SYSCTL=y CONFIG_EMBEDDED=y +CONFIG_SYSCTL_SYSCALL=y # CONFIG_KALLSYMS is not set +CONFIG_HOTPLUG=y CONFIG_PRINTK=y CONFIG_BUG=y +CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y # CONFIG_FUTEX is not set # CONFIG_EPOLL is not set -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set -CONFIG_CC_ALIGN_FUNCTIONS=0 -CONFIG_CC_ALIGN_LABELS=0 -CONFIG_CC_ALIGN_LOOPS=0 -CONFIG_CC_ALIGN_JUMPS=0 +CONFIG_SLAB=y +CONFIG_VM_EVENT_COUNTERS=y CONFIG_TINY_SHMEM=y CONFIG_BASE_SMALL=0 +# CONFIG_SLOB is not set # # Loadable module support @@ -52,12 +58,30 @@ CONFIG_BASE_SMALL=0 CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y # CONFIG_MODULE_FORCE_UNLOAD is not set -CONFIG_OBSOLETE_MODPARM=y # CONFIG_MODVERSIONS is not set # CONFIG_MODULE_SRCVERSION_ALL is not set CONFIG_KMOD=y # +# Block layer +# +CONFIG_BLOCK=y +# CONFIG_BLK_DEV_IO_TRACE is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +# CONFIG_IOSCHED_AS is not set +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +# CONFIG_DEFAULT_AS is not set +# CONFIG_DEFAULT_DEADLINE is not set +CONFIG_DEFAULT_CFQ=y +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="cfq" + +# # Processor type and features # CONFIG_PLAT_MAPPI=y @@ -67,8 +91,10 @@ CONFIG_PLAT_MAPPI=y # CONFIG_PLAT_OAKS32R is not set # CONFIG_PLAT_MAPPI2 is not set # CONFIG_PLAT_MAPPI3 is not set +# CONFIG_PLAT_M32104UT is not set CONFIG_CHIP_M32700=y # CONFIG_CHIP_M32102 is not set +# CONFIG_CHIP_M32104 is not set # CONFIG_CHIP_VDEC2 is not set # CONFIG_CHIP_OPSP is not set # CONFIG_MMU is not set @@ -82,18 +108,31 @@ CONFIG_TIMER_DIVIDE=128 CONFIG_MEMORY_START=0x00000000 CONFIG_MEMORY_SIZE=0x00E00000 CONFIG_NOHIGHMEM=y -# CONFIG_DISCONTIGMEM is not set +CONFIG_ARCH_DISCONTIGMEM_ENABLE=y +CONFIG_SELECT_MEMORY_MODEL=y +# CONFIG_FLATMEM_MANUAL is not set +CONFIG_DISCONTIGMEM_MANUAL=y +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_DISCONTIGMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +CONFIG_NEED_MULTIPLE_NODES=y +# CONFIG_SPARSEMEM_STATIC is not set +CONFIG_SPLIT_PTLOCK_CPUS=4 +# CONFIG_RESOURCES_64BIT is not set +CONFIG_IRAM_START=0x00f00000 +CONFIG_IRAM_SIZE=0x00080000 CONFIG_RWSEM_GENERIC_SPINLOCK=y # CONFIG_RWSEM_XCHGADD_ALGORITHM is not set +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_PREEMPT=y -# CONFIG_HAVE_DEC_LOCK is not set # CONFIG_SMP is not set +CONFIG_NODES_SHIFT=1 # # Bus options (PCI, PCMCIA, EISA, MCA, ISA) # -# CONFIG_PCI is not set # CONFIG_ISA is not set # @@ -102,12 +141,14 @@ CONFIG_PREEMPT=y CONFIG_PCCARD=y # CONFIG_PCMCIA_DEBUG is not set CONFIG_PCMCIA=y +CONFIG_PCMCIA_LOAD_CIS=y +CONFIG_PCMCIA_IOCTL=y # # PC-card bridges # -# CONFIG_TCIC is not set CONFIG_M32R_PCC=y +CONFIG_PCCARD_NONSTATIC=y # # PCI Hotplug Support @@ -122,6 +163,94 @@ CONFIG_BINFMT_FLAT=y # CONFIG_BINFMT_MISC is not set # +# Networking +# +CONFIG_NET=y + +# +# Networking options +# +# CONFIG_NETDEBUG is not set +CONFIG_PACKET=y +# CONFIG_PACKET_MMAP is not set +CONFIG_UNIX=y +CONFIG_XFRM=y +# CONFIG_XFRM_USER is not set +# CONFIG_XFRM_SUB_POLICY is not set +# CONFIG_NET_KEY is not set +CONFIG_INET=y +# CONFIG_IP_MULTICAST is not set +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +# CONFIG_IP_PNP_BOOTP is not set +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_ARPD is not set +# CONFIG_SYN_COOKIES is not set +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +# CONFIG_INET_TUNNEL is not set +CONFIG_INET_XFRM_MODE_TRANSPORT=y +CONFIG_INET_XFRM_MODE_TUNNEL=y +CONFIG_INET_XFRM_MODE_BEET=y +CONFIG_INET_DIAG=y +CONFIG_INET_TCP_DIAG=y +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set +# CONFIG_IPV6 is not set +# CONFIG_INET6_XFRM_TUNNEL is not set +# CONFIG_INET6_TUNNEL is not set +# CONFIG_NETWORK_SECMARK is not set +# CONFIG_NETFILTER is not set + +# +# DCCP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_DCCP is not set + +# +# SCTP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_SCTP is not set + +# +# TIPC Configuration (EXPERIMENTAL) +# +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set + +# +# QoS and/or fair queueing +# +# CONFIG_NET_SCHED is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_HAMRADIO is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_IEEE80211 is not set + +# # Device Drivers # @@ -130,7 +259,13 @@ CONFIG_BINFMT_FLAT=y # CONFIG_STANDALONE=y CONFIG_PREVENT_FIRMWARE_BUILD=y -# CONFIG_FW_LOADER is not set +CONFIG_FW_LOADER=y +# CONFIG_SYS_HYPERVISOR is not set + +# +# Connector - unified userspace <-> kernelspace linker +# +# CONFIG_CONNECTOR is not set # # Memory Technology Devices (MTD) @@ -149,7 +284,6 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # # Block devices # -# CONFIG_BLK_DEV_FD is not set # CONFIG_BLK_DEV_COW_COMMON is not set CONFIG_BLK_DEV_LOOP=y # CONFIG_BLK_DEV_CRYPTOLOOP is not set @@ -157,18 +291,15 @@ CONFIG_BLK_DEV_NBD=y CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_COUNT=16 CONFIG_BLK_DEV_RAM_SIZE=4096 +CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 # CONFIG_BLK_DEV_INITRD is not set -CONFIG_INITRAMFS_SOURCE="" # CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set # -# IO Schedulers +# Misc devices # -CONFIG_IOSCHED_NOOP=y -# CONFIG_IOSCHED_AS is not set -CONFIG_IOSCHED_DEADLINE=y -CONFIG_IOSCHED_CFQ=y -# CONFIG_ATA_OVER_ETH is not set +# CONFIG_TIFM_CORE is not set # # ATA/ATAPI/MFM/RLL support @@ -178,7 +309,13 @@ CONFIG_IOSCHED_CFQ=y # # SCSI device support # +# CONFIG_RAID_ATTRS is not set # CONFIG_SCSI is not set +# CONFIG_SCSI_NETLINK is not set + +# +# Serial ATA (prod) and Parallel ATA (experimental) drivers +# # # Multi-device support (RAID and LVM) @@ -188,6 +325,7 @@ CONFIG_IOSCHED_CFQ=y # # Fusion MPT device support # +# CONFIG_FUSION is not set # # IEEE 1394 (FireWire) support @@ -198,69 +336,8 @@ CONFIG_IOSCHED_CFQ=y # # -# Networking support -# -CONFIG_NET=y - -# -# Networking options -# -CONFIG_PACKET=y -# CONFIG_PACKET_MMAP is not set -CONFIG_UNIX=y -# CONFIG_NET_KEY is not set -CONFIG_INET=y -# CONFIG_IP_MULTICAST is not set -# CONFIG_IP_ADVANCED_ROUTER is not set -CONFIG_IP_PNP=y -CONFIG_IP_PNP_DHCP=y -# CONFIG_IP_PNP_BOOTP is not set -# CONFIG_IP_PNP_RARP is not set -# CONFIG_NET_IPIP is not set -# CONFIG_NET_IPGRE is not set -# CONFIG_ARPD is not set -# CONFIG_SYN_COOKIES is not set -# CONFIG_INET_AH is not set -# CONFIG_INET_ESP is not set -# CONFIG_INET_IPCOMP is not set -# CONFIG_INET_TUNNEL is not set -CONFIG_IP_TCPDIAG=y -# CONFIG_IP_TCPDIAG_IPV6 is not set -# CONFIG_IPV6 is not set -# CONFIG_NETFILTER is not set - -# -# SCTP Configuration (EXPERIMENTAL) -# -# CONFIG_IP_SCTP is not set -# CONFIG_ATM is not set -# CONFIG_BRIDGE is not set -# CONFIG_VLAN_8021Q is not set -# CONFIG_DECNET is not set -# CONFIG_LLC2 is not set -# CONFIG_IPX is not set -# CONFIG_ATALK is not set -# CONFIG_X25 is not set -# CONFIG_LAPB is not set -# CONFIG_NET_DIVERT is not set -# CONFIG_ECONET is not set -# CONFIG_WAN_ROUTER is not set - -# -# QoS and/or fair queueing -# -# CONFIG_NET_SCHED is not set -# CONFIG_NET_CLS_ROUTE is not set - -# -# Network testing +# Network device support # -# CONFIG_NET_PKTGEN is not set -# CONFIG_NETPOLL is not set -# CONFIG_NET_POLL_CONTROLLER is not set -# CONFIG_HAMRADIO is not set -# CONFIG_IRDA is not set -# CONFIG_BT is not set CONFIG_NETDEVICES=y # CONFIG_DUMMY is not set # CONFIG_BONDING is not set @@ -268,6 +345,10 @@ CONFIG_NETDEVICES=y # CONFIG_TUN is not set # +# PHY device support +# + +# # Ethernet (10 or 100Mbit) # # CONFIG_NET_ETHERNET is not set @@ -303,6 +384,8 @@ CONFIG_NE2000=y # CONFIG_SLIP is not set # CONFIG_SHAPER is not set # CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set # # ISDN subsystem @@ -318,6 +401,7 @@ CONFIG_NE2000=y # Input device support # CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set # # Userland interfaces @@ -346,7 +430,6 @@ CONFIG_SERIO_SERPORT=y # CONFIG_SERIO_LIBPS2 is not set # CONFIG_SERIO_RAW is not set # CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y # # Character devices @@ -366,7 +449,6 @@ CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y CONFIG_SERIAL_M32R_SIO=y CONFIG_SERIAL_M32R_SIO_CONSOLE=y -# CONFIG_SERIAL_M32R_PLDSIO is not set CONFIG_UNIX98_PTYS=y CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=256 @@ -380,25 +462,27 @@ CONFIG_LEGACY_PTY_COUNT=256 # Watchdog Cards # # CONFIG_WATCHDOG is not set +CONFIG_HW_RANDOM=y # CONFIG_RTC is not set -# CONFIG_GEN_RTC is not set # CONFIG_DTLK is not set # CONFIG_R3964 is not set # # Ftape, the floppy tape device driver # -# CONFIG_DRM is not set # # PCMCIA character devices # # CONFIG_SYNCLINK_CS is not set +# CONFIG_CARDMAN_4000 is not set +# CONFIG_CARDMAN_4040 is not set # CONFIG_RAW_DRIVER is not set # # TPM devices # +# CONFIG_TCG_TPM is not set # # I2C support @@ -406,13 +490,25 @@ CONFIG_LEGACY_PTY_COUNT=256 # CONFIG_I2C is not set # +# SPI support +# +# CONFIG_SPI is not set +# CONFIG_SPI_MASTER is not set + +# # Dallas's 1-wire bus # # CONFIG_W1 is not set # -# Misc devices +# Hardware Monitoring support # +CONFIG_HWMON=y +# CONFIG_HWMON_VID is not set +# CONFIG_SENSORS_ABITUGURU is not set +# CONFIG_SENSORS_F71805F is not set +# CONFIG_SENSORS_VT1211 is not set +# CONFIG_HWMON_DEBUG_CHIP is not set # # Multimedia devices @@ -427,7 +523,9 @@ CONFIG_LEGACY_PTY_COUNT=256 # # Graphics support # +CONFIG_FIRMWARE_EDID=y # CONFIG_FB is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set # # Sound @@ -439,6 +537,11 @@ CONFIG_LEGACY_PTY_COUNT=256 # # CONFIG_USB_ARCH_HAS_HCD is not set # CONFIG_USB_ARCH_HAS_OHCI is not set +# CONFIG_USB_ARCH_HAS_EHCI is not set + +# +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# # # USB Gadget Support @@ -451,30 +554,72 @@ CONFIG_LEGACY_PTY_COUNT=256 # CONFIG_MMC is not set # +# LED devices +# +# CONFIG_NEW_LEDS is not set + +# +# LED drivers +# + +# +# LED Triggers +# + +# # InfiniBand support # -# CONFIG_INFINIBAND is not set + +# +# EDAC - error detection and reporting (RAS) (EXPERIMENTAL) +# + +# +# Real Time Clock +# +# CONFIG_RTC_CLASS is not set + +# +# DMA Engine support +# +# CONFIG_DMA_ENGINE is not set + +# +# DMA Clients +# + +# +# DMA Devices +# # # File systems # CONFIG_EXT2_FS=y # CONFIG_EXT2_FS_XATTR is not set -# CONFIG_EXT3_FS is not set -# CONFIG_JBD is not set +CONFIG_EXT3_FS=y +CONFIG_EXT3_FS_XATTR=y +# CONFIG_EXT3_FS_POSIX_ACL is not set +# CONFIG_EXT3_FS_SECURITY is not set +# CONFIG_EXT4DEV_FS is not set +CONFIG_JBD=y +# CONFIG_JBD_DEBUG is not set +CONFIG_FS_MBCACHE=y # CONFIG_REISERFS_FS is not set # CONFIG_JFS_FS is not set - -# -# XFS support -# +# CONFIG_FS_POSIX_ACL is not set # CONFIG_XFS_FS is not set +# CONFIG_GFS2_FS is not set +# CONFIG_OCFS2_FS is not set # CONFIG_MINIX_FS is not set # CONFIG_ROMFS_FS is not set +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y # CONFIG_QUOTA is not set CONFIG_DNOTIFY=y # CONFIG_AUTOFS_FS is not set # CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set # # CD-ROM/DVD Filesystems @@ -493,15 +638,12 @@ CONFIG_DNOTIFY=y # Pseudo filesystems # CONFIG_PROC_FS=y +CONFIG_PROC_SYSCTL=y CONFIG_SYSFS=y -CONFIG_DEVFS_FS=y -CONFIG_DEVFS_MOUNT=y -# CONFIG_DEVFS_DEBUG is not set -CONFIG_DEVPTS_FS_XATTR=y -CONFIG_DEVPTS_FS_SECURITY=y # CONFIG_TMPFS is not set # CONFIG_HUGETLB_PAGE is not set CONFIG_RAMFS=y +# CONFIG_CONFIGFS_FS is not set # # Miscellaneous filesystems @@ -525,12 +667,14 @@ CONFIG_RAMFS=y # CONFIG_NFS_FS=y CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set # CONFIG_NFS_V4 is not set # CONFIG_NFS_DIRECTIO is not set # CONFIG_NFSD is not set CONFIG_ROOT_NFS=y CONFIG_LOCKD=y CONFIG_LOCKD_V4=y +CONFIG_NFS_COMMON=y CONFIG_SUNRPC=y # CONFIG_RPCSEC_GSS_KRB5 is not set # CONFIG_RPCSEC_GSS_SPKM3 is not set @@ -539,6 +683,7 @@ CONFIG_SUNRPC=y # CONFIG_NCP_FS is not set # CONFIG_CODA_FS is not set # CONFIG_AFS_FS is not set +# CONFIG_9P_FS is not set # # Partition Types @@ -599,10 +744,16 @@ CONFIG_NLS_DEFAULT="iso8859-1" # Kernel hacking # # CONFIG_PRINTK_TIME is not set +CONFIG_ENABLE_MUST_CHECK=y +# CONFIG_MAGIC_SYSRQ is not set +# CONFIG_UNUSED_SYMBOLS is not set # CONFIG_DEBUG_KERNEL is not set CONFIG_LOG_BUF_SHIFT=14 # CONFIG_DEBUG_BUGVERBOSE is not set +# CONFIG_DEBUG_FS is not set # CONFIG_FRAME_POINTER is not set +# CONFIG_UNWIND_INFO is not set +# CONFIG_HEADERS_CHECK is not set # # Security options @@ -616,12 +767,9 @@ CONFIG_LOG_BUF_SHIFT=14 # CONFIG_CRYPTO is not set # -# Hardware crypto devices -# - -# # Library routines # # CONFIG_CRC_CCITT is not set +# CONFIG_CRC16 is not set CONFIG_CRC32=y # CONFIG_LIBCRC32C is not set diff --git a/arch/m32r/mappi/defconfig.smp b/arch/m32r/mappi/defconfig.smp index 1a7f3cd4224..168669202b9 100644 --- a/arch/m32r/mappi/defconfig.smp +++ b/arch/m32r/mappi/defconfig.smp @@ -1,21 +1,18 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.12-rc5 -# Fri Jun 3 16:21:52 2005 +# Linux kernel version: 2.6.19 +# Wed Dec 13 17:50:59 2006 # CONFIG_M32R=y -# CONFIG_UID16 is not set CONFIG_GENERIC_ISA_DMA=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" # # Code maturity level options # CONFIG_EXPERIMENTAL=y -# CONFIG_CLEAN_COMPILE is not set -CONFIG_BROKEN=y -CONFIG_BROKEN_ON_SMP=y CONFIG_LOCK_KERNEL=y CONFIG_INIT_ENV_ARG_LIMIT=32 @@ -23,32 +20,39 @@ CONFIG_INIT_ENV_ARG_LIMIT=32 # General setup # CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y CONFIG_SWAP=y CONFIG_SYSVIPC=y +# CONFIG_IPC_NS is not set # CONFIG_POSIX_MQUEUE is not set # CONFIG_BSD_PROCESS_ACCT is not set -CONFIG_SYSCTL=y +# CONFIG_TASKSTATS is not set +# CONFIG_UTS_NS is not set # CONFIG_AUDIT is not set -CONFIG_HOTPLUG=y -CONFIG_KOBJECT_UEVENT=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y # CONFIG_CPUSETS is not set +CONFIG_SYSFS_DEPRECATED=y +# CONFIG_RELAY is not set +CONFIG_INITRAMFS_SOURCE="" +# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set +CONFIG_SYSCTL=y CONFIG_EMBEDDED=y +CONFIG_SYSCTL_SYSCALL=y # CONFIG_KALLSYMS is not set +CONFIG_HOTPLUG=y CONFIG_PRINTK=y CONFIG_BUG=y +CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y # CONFIG_FUTEX is not set # CONFIG_EPOLL is not set -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_SHMEM=y -CONFIG_CC_ALIGN_FUNCTIONS=0 -CONFIG_CC_ALIGN_LABELS=0 -CONFIG_CC_ALIGN_LOOPS=0 -CONFIG_CC_ALIGN_JUMPS=0 +CONFIG_SLAB=y +CONFIG_VM_EVENT_COUNTERS=y # CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 +# CONFIG_SLOB is not set # # Loadable module support @@ -56,13 +60,31 @@ CONFIG_BASE_SMALL=0 CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y # CONFIG_MODULE_FORCE_UNLOAD is not set -CONFIG_OBSOLETE_MODPARM=y # CONFIG_MODVERSIONS is not set # CONFIG_MODULE_SRCVERSION_ALL is not set CONFIG_KMOD=y CONFIG_STOP_MACHINE=y # +# Block layer +# +CONFIG_BLOCK=y +# CONFIG_BLK_DEV_IO_TRACE is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +# CONFIG_IOSCHED_AS is not set +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +# CONFIG_DEFAULT_AS is not set +# CONFIG_DEFAULT_DEADLINE is not set +CONFIG_DEFAULT_CFQ=y +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="cfq" + +# # Processor type and features # CONFIG_PLAT_MAPPI=y @@ -72,8 +94,10 @@ CONFIG_PLAT_MAPPI=y # CONFIG_PLAT_OAKS32R is not set # CONFIG_PLAT_MAPPI2 is not set # CONFIG_PLAT_MAPPI3 is not set +# CONFIG_PLAT_M32104UT is not set CONFIG_CHIP_M32700=y # CONFIG_CHIP_M32102 is not set +# CONFIG_CHIP_M32104 is not set # CONFIG_CHIP_VDEC2 is not set # CONFIG_CHIP_OPSP is not set CONFIG_MMU=y @@ -87,23 +111,33 @@ CONFIG_TIMER_DIVIDE=128 CONFIG_MEMORY_START=0x08000000 CONFIG_MEMORY_SIZE=0x04000000 CONFIG_NOHIGHMEM=y +CONFIG_ARCH_DISCONTIGMEM_ENABLE=y +CONFIG_SELECT_MEMORY_MODEL=y +# CONFIG_FLATMEM_MANUAL is not set +CONFIG_DISCONTIGMEM_MANUAL=y +# CONFIG_SPARSEMEM_MANUAL is not set CONFIG_DISCONTIGMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +CONFIG_NEED_MULTIPLE_NODES=y +# CONFIG_SPARSEMEM_STATIC is not set +CONFIG_SPLIT_PTLOCK_CPUS=4 +# CONFIG_RESOURCES_64BIT is not set CONFIG_IRAM_START=0x00f00000 CONFIG_IRAM_SIZE=0x00080000 CONFIG_RWSEM_GENERIC_SPINLOCK=y # CONFIG_RWSEM_XCHGADD_ALGORITHM is not set +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_PREEMPT=y -# CONFIG_HAVE_DEC_LOCK is not set CONFIG_SMP=y CONFIG_CHIP_M32700_TS1=y CONFIG_NR_CPUS=2 -# CONFIG_NUMA is not set +CONFIG_NODES_SHIFT=1 # # Bus options (PCI, PCMCIA, EISA, MCA, ISA) # -# CONFIG_PCI is not set # CONFIG_ISA is not set # @@ -112,12 +146,14 @@ CONFIG_NR_CPUS=2 CONFIG_PCCARD=y # CONFIG_PCMCIA_DEBUG is not set CONFIG_PCMCIA=y +CONFIG_PCMCIA_LOAD_CIS=y +CONFIG_PCMCIA_IOCTL=y # # PC-card bridges # -# CONFIG_TCIC is not set CONFIG_M32R_PCC=y +CONFIG_PCCARD_NONSTATIC=y # # PCI Hotplug Support @@ -130,6 +166,93 @@ CONFIG_BINFMT_ELF=y # CONFIG_BINFMT_MISC is not set # +# Networking +# +CONFIG_NET=y + +# +# Networking options +# +# CONFIG_NETDEBUG is not set +# CONFIG_PACKET is not set +CONFIG_UNIX=y +CONFIG_XFRM=y +# CONFIG_XFRM_USER is not set +# CONFIG_XFRM_SUB_POLICY is not set +# CONFIG_NET_KEY is not set +CONFIG_INET=y +# CONFIG_IP_MULTICAST is not set +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +# CONFIG_IP_PNP_BOOTP is not set +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_ARPD is not set +# CONFIG_SYN_COOKIES is not set +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +# CONFIG_INET_TUNNEL is not set +CONFIG_INET_XFRM_MODE_TRANSPORT=y +CONFIG_INET_XFRM_MODE_TUNNEL=y +CONFIG_INET_XFRM_MODE_BEET=y +CONFIG_INET_DIAG=y +CONFIG_INET_TCP_DIAG=y +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set +# CONFIG_IPV6 is not set +# CONFIG_INET6_XFRM_TUNNEL is not set +# CONFIG_INET6_TUNNEL is not set +# CONFIG_NETWORK_SECMARK is not set +# CONFIG_NETFILTER is not set + +# +# DCCP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_DCCP is not set + +# +# SCTP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_SCTP is not set + +# +# TIPC Configuration (EXPERIMENTAL) +# +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set + +# +# QoS and/or fair queueing +# +# CONFIG_NET_SCHED is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_HAMRADIO is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_IEEE80211 is not set + +# # Device Drivers # @@ -138,7 +261,13 @@ CONFIG_BINFMT_ELF=y # # CONFIG_STANDALONE is not set CONFIG_PREVENT_FIRMWARE_BUILD=y -# CONFIG_FW_LOADER is not set +CONFIG_FW_LOADER=y +# CONFIG_SYS_HYPERVISOR is not set + +# +# Connector - unified userspace <-> kernelspace linker +# +# CONFIG_CONNECTOR is not set # # Memory Technology Devices (MTD) @@ -161,6 +290,8 @@ CONFIG_MTD_BLOCK=y # CONFIG_FTL is not set # CONFIG_NFTL is not set # CONFIG_INFTL is not set +# CONFIG_RFD_FTL is not set +# CONFIG_SSFDC is not set # # RAM/ROM/Flash chip drivers @@ -186,6 +317,7 @@ CONFIG_MTD_CFI_I2=y # Mapping drivers for chip access # # CONFIG_MTD_COMPLEX_MAPPINGS is not set +# CONFIG_MTD_PLATRAM is not set # # Self-contained MTD device drivers @@ -193,7 +325,6 @@ CONFIG_MTD_CFI_I2=y # CONFIG_MTD_SLRAM is not set # CONFIG_MTD_PHRAM is not set # CONFIG_MTD_MTDRAM is not set -# CONFIG_MTD_BLKMTD is not set # CONFIG_MTD_BLOCK2MTD is not set # @@ -209,6 +340,11 @@ CONFIG_MTD_CFI_I2=y # CONFIG_MTD_NAND is not set # +# OneNAND Flash Device Drivers +# +# CONFIG_MTD_ONENAND is not set + +# # Parallel port support # # CONFIG_PARPORT is not set @@ -220,7 +356,6 @@ CONFIG_MTD_CFI_I2=y # # Block devices # -# CONFIG_BLK_DEV_FD is not set # CONFIG_BLK_DEV_COW_COMMON is not set CONFIG_BLK_DEV_LOOP=y # CONFIG_BLK_DEV_CRYPTOLOOP is not set @@ -228,23 +363,21 @@ CONFIG_BLK_DEV_NBD=m CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_COUNT=16 CONFIG_BLK_DEV_RAM_SIZE=4096 +CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 CONFIG_BLK_DEV_INITRD=y -CONFIG_INITRAMFS_SOURCE="" # CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set # -# IO Schedulers +# Misc devices # -CONFIG_IOSCHED_NOOP=y -# CONFIG_IOSCHED_AS is not set -CONFIG_IOSCHED_DEADLINE=y -CONFIG_IOSCHED_CFQ=y -# CONFIG_ATA_OVER_ETH is not set +# CONFIG_TIFM_CORE is not set # # ATA/ATAPI/MFM/RLL support # CONFIG_IDE=m +CONFIG_IDE_MAX_HWIFS=4 CONFIG_BLK_DEV_IDE=m # @@ -271,7 +404,13 @@ CONFIG_IDE_GENERIC=m # # SCSI device support # +# CONFIG_RAID_ATTRS is not set # CONFIG_SCSI is not set +# CONFIG_SCSI_NETLINK is not set + +# +# Serial ATA (prod) and Parallel ATA (experimental) drivers +# # # Multi-device support (RAID and LVM) @@ -281,79 +420,19 @@ CONFIG_IDE_GENERIC=m # # Fusion MPT device support # +# CONFIG_FUSION is not set # # IEEE 1394 (FireWire) support # -# CONFIG_IEEE1394 is not set # # I2O device support # # -# Networking support +# Network device support # -CONFIG_NET=y - -# -# Networking options -# -# CONFIG_PACKET is not set -CONFIG_UNIX=y -# CONFIG_NET_KEY is not set -CONFIG_INET=y -# CONFIG_IP_MULTICAST is not set -# CONFIG_IP_ADVANCED_ROUTER is not set -CONFIG_IP_PNP=y -CONFIG_IP_PNP_DHCP=y -# CONFIG_IP_PNP_BOOTP is not set -# CONFIG_IP_PNP_RARP is not set -# CONFIG_NET_IPIP is not set -# CONFIG_NET_IPGRE is not set -# CONFIG_ARPD is not set -# CONFIG_SYN_COOKIES is not set -# CONFIG_INET_AH is not set -# CONFIG_INET_ESP is not set -# CONFIG_INET_IPCOMP is not set -# CONFIG_INET_TUNNEL is not set -CONFIG_IP_TCPDIAG=y -# CONFIG_IP_TCPDIAG_IPV6 is not set -# CONFIG_IPV6 is not set -# CONFIG_NETFILTER is not set - -# -# SCTP Configuration (EXPERIMENTAL) -# -# CONFIG_IP_SCTP is not set -# CONFIG_ATM is not set -# CONFIG_BRIDGE is not set -# CONFIG_VLAN_8021Q is not set -# CONFIG_DECNET is not set -# CONFIG_LLC2 is not set -# CONFIG_IPX is not set -# CONFIG_ATALK is not set -# CONFIG_X25 is not set -# CONFIG_LAPB is not set -# CONFIG_NET_DIVERT is not set -# CONFIG_ECONET is not set -# CONFIG_WAN_ROUTER is not set - -# -# QoS and/or fair queueing -# -# CONFIG_NET_SCHED is not set -# CONFIG_NET_CLS_ROUTE is not set - -# -# Network testing -# -# CONFIG_NET_PKTGEN is not set -# CONFIG_NETPOLL is not set -# CONFIG_NET_POLL_CONTROLLER is not set -# CONFIG_HAMRADIO is not set -# CONFIG_IRDA is not set -# CONFIG_BT is not set CONFIG_NETDEVICES=y # CONFIG_DUMMY is not set # CONFIG_BONDING is not set @@ -361,6 +440,10 @@ CONFIG_NETDEVICES=y # CONFIG_TUN is not set # +# PHY device support +# + +# # Ethernet (10 or 100Mbit) # # CONFIG_NET_ETHERNET is not set @@ -396,6 +479,8 @@ CONFIG_NE2000=y # CONFIG_SLIP is not set # CONFIG_SHAPER is not set # CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set # # ISDN subsystem @@ -411,6 +496,7 @@ CONFIG_NE2000=y # Input device support # CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set # # Userland interfaces @@ -442,7 +528,6 @@ CONFIG_SERIO=y # CONFIG_SERIO_LIBPS2 is not set # CONFIG_SERIO_RAW is not set # CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y # # Character devices @@ -462,7 +547,6 @@ CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y CONFIG_SERIAL_M32R_SIO=y CONFIG_SERIAL_M32R_SIO_CONSOLE=y -# CONFIG_SERIAL_M32R_PLDSIO is not set CONFIG_UNIX98_PTYS=y CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=256 @@ -476,25 +560,27 @@ CONFIG_LEGACY_PTY_COUNT=256 # Watchdog Cards # # CONFIG_WATCHDOG is not set +CONFIG_HW_RANDOM=y # CONFIG_RTC is not set -# CONFIG_GEN_RTC is not set # CONFIG_DTLK is not set # CONFIG_R3964 is not set # # Ftape, the floppy tape device driver # -# CONFIG_DRM is not set # # PCMCIA character devices # # CONFIG_SYNCLINK_CS is not set +# CONFIG_CARDMAN_4000 is not set +# CONFIG_CARDMAN_4040 is not set # CONFIG_RAW_DRIVER is not set # # TPM devices # +# CONFIG_TCG_TPM is not set # # I2C support @@ -502,13 +588,25 @@ CONFIG_LEGACY_PTY_COUNT=256 # CONFIG_I2C is not set # +# SPI support +# +# CONFIG_SPI is not set +# CONFIG_SPI_MASTER is not set + +# # Dallas's 1-wire bus # # CONFIG_W1 is not set # -# Misc devices +# Hardware Monitoring support # +CONFIG_HWMON=y +# CONFIG_HWMON_VID is not set +# CONFIG_SENSORS_ABITUGURU is not set +# CONFIG_SENSORS_F71805F is not set +# CONFIG_SENSORS_VT1211 is not set +# CONFIG_HWMON_DEBUG_CHIP is not set # # Multimedia devices @@ -523,7 +621,9 @@ CONFIG_LEGACY_PTY_COUNT=256 # # Graphics support # +CONFIG_FIRMWARE_EDID=y # CONFIG_FB is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set # # Sound @@ -535,6 +635,11 @@ CONFIG_LEGACY_PTY_COUNT=256 # # CONFIG_USB_ARCH_HAS_HCD is not set # CONFIG_USB_ARCH_HAS_OHCI is not set +# CONFIG_USB_ARCH_HAS_EHCI is not set + +# +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# # # USB Gadget Support @@ -547,30 +652,73 @@ CONFIG_LEGACY_PTY_COUNT=256 # CONFIG_MMC is not set # +# LED devices +# +# CONFIG_NEW_LEDS is not set + +# +# LED drivers +# + +# +# LED Triggers +# + +# # InfiniBand support # -# CONFIG_INFINIBAND is not set + +# +# EDAC - error detection and reporting (RAS) (EXPERIMENTAL) +# + +# +# Real Time Clock +# +# CONFIG_RTC_CLASS is not set + +# +# DMA Engine support +# +# CONFIG_DMA_ENGINE is not set + +# +# DMA Clients +# + +# +# DMA Devices +# # # File systems # CONFIG_EXT2_FS=y # CONFIG_EXT2_FS_XATTR is not set -# CONFIG_EXT3_FS is not set -# CONFIG_JBD is not set +# CONFIG_EXT2_FS_XIP is not set +CONFIG_EXT3_FS=y +CONFIG_EXT3_FS_XATTR=y +# CONFIG_EXT3_FS_POSIX_ACL is not set +# CONFIG_EXT3_FS_SECURITY is not set +# CONFIG_EXT4DEV_FS is not set +CONFIG_JBD=y +# CONFIG_JBD_DEBUG is not set +CONFIG_FS_MBCACHE=y # CONFIG_REISERFS_FS is not set # CONFIG_JFS_FS is not set - -# -# XFS support -# +# CONFIG_FS_POSIX_ACL is not set # CONFIG_XFS_FS is not set +# CONFIG_GFS2_FS is not set +# CONFIG_OCFS2_FS is not set # CONFIG_MINIX_FS is not set CONFIG_ROMFS_FS=y +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y # CONFIG_QUOTA is not set CONFIG_DNOTIFY=y # CONFIG_AUTOFS_FS is not set # CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set # # CD-ROM/DVD Filesystems @@ -595,16 +743,13 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" # CONFIG_PROC_FS=y CONFIG_PROC_KCORE=y +CONFIG_PROC_SYSCTL=y CONFIG_SYSFS=y -CONFIG_DEVFS_FS=y -CONFIG_DEVFS_MOUNT=y -# CONFIG_DEVFS_DEBUG is not set -# CONFIG_DEVPTS_FS_XATTR is not set CONFIG_TMPFS=y -# CONFIG_TMPFS_XATTR is not set -# CONFIG_HUGETLBFS is not set +# CONFIG_TMPFS_POSIX_ACL is not set # CONFIG_HUGETLB_PAGE is not set CONFIG_RAMFS=y +# CONFIG_CONFIGFS_FS is not set # # Miscellaneous filesystems @@ -621,8 +766,9 @@ CONFIG_JFFS_FS_VERBOSE=0 CONFIG_JFFS_PROC_FS=y CONFIG_JFFS2_FS=y CONFIG_JFFS2_FS_DEBUG=0 -# CONFIG_JFFS2_FS_NAND is not set -# CONFIG_JFFS2_FS_NOR_ECC is not set +CONFIG_JFFS2_FS_WRITEBUFFER=y +# CONFIG_JFFS2_SUMMARY is not set +# CONFIG_JFFS2_FS_XATTR is not set # CONFIG_JFFS2_COMPRESSION_OPTIONS is not set CONFIG_JFFS2_ZLIB=y CONFIG_JFFS2_RTIME=y @@ -639,12 +785,14 @@ CONFIG_JFFS2_RTIME=y # CONFIG_NFS_FS=y CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set # CONFIG_NFS_V4 is not set # CONFIG_NFS_DIRECTIO is not set # CONFIG_NFSD is not set CONFIG_ROOT_NFS=y CONFIG_LOCKD=y CONFIG_LOCKD_V4=y +CONFIG_NFS_COMMON=y CONFIG_SUNRPC=y # CONFIG_RPCSEC_GSS_KRB5 is not set # CONFIG_RPCSEC_GSS_SPKM3 is not set @@ -653,6 +801,7 @@ CONFIG_SUNRPC=y # CONFIG_NCP_FS is not set # CONFIG_CODA_FS is not set # CONFIG_AFS_FS is not set +# CONFIG_9P_FS is not set # # Partition Types @@ -713,10 +862,16 @@ CONFIG_NLS_DEFAULT="iso8859-1" # Kernel hacking # # CONFIG_PRINTK_TIME is not set +CONFIG_ENABLE_MUST_CHECK=y +# CONFIG_MAGIC_SYSRQ is not set +# CONFIG_UNUSED_SYMBOLS is not set # CONFIG_DEBUG_KERNEL is not set CONFIG_LOG_BUF_SHIFT=15 # CONFIG_DEBUG_BUGVERBOSE is not set +# CONFIG_DEBUG_FS is not set # CONFIG_FRAME_POINTER is not set +# CONFIG_UNWIND_INFO is not set +# CONFIG_HEADERS_CHECK is not set # # Security options @@ -730,13 +885,10 @@ CONFIG_LOG_BUF_SHIFT=15 # CONFIG_CRYPTO is not set # -# Hardware crypto devices -# - -# # Library routines # # CONFIG_CRC_CCITT is not set +# CONFIG_CRC16 is not set CONFIG_CRC32=y # CONFIG_LIBCRC32C is not set CONFIG_ZLIB_INFLATE=y diff --git a/arch/m32r/mappi/defconfig.up b/arch/m32r/mappi/defconfig.up index 38910fb7669..5ba00603c1a 100644 --- a/arch/m32r/mappi/defconfig.up +++ b/arch/m32r/mappi/defconfig.up @@ -1,20 +1,18 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.12-rc5 -# Fri Jun 3 16:21:59 2005 +# Linux kernel version: 2.6.19 +# Wed Dec 13 17:51:20 2006 # CONFIG_M32R=y -# CONFIG_UID16 is not set CONFIG_GENERIC_ISA_DMA=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" # # Code maturity level options # CONFIG_EXPERIMENTAL=y -# CONFIG_CLEAN_COMPILE is not set -CONFIG_BROKEN=y CONFIG_BROKEN_ON_SMP=y CONFIG_LOCK_KERNEL=y CONFIG_INIT_ENV_ARG_LIMIT=32 @@ -23,31 +21,38 @@ CONFIG_INIT_ENV_ARG_LIMIT=32 # General setup # CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y CONFIG_SWAP=y CONFIG_SYSVIPC=y +# CONFIG_IPC_NS is not set # CONFIG_POSIX_MQUEUE is not set # CONFIG_BSD_PROCESS_ACCT is not set -CONFIG_SYSCTL=y +# CONFIG_TASKSTATS is not set +# CONFIG_UTS_NS is not set # CONFIG_AUDIT is not set -CONFIG_HOTPLUG=y -CONFIG_KOBJECT_UEVENT=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y +CONFIG_SYSFS_DEPRECATED=y +# CONFIG_RELAY is not set +CONFIG_INITRAMFS_SOURCE="" +# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set +CONFIG_SYSCTL=y CONFIG_EMBEDDED=y +CONFIG_SYSCTL_SYSCALL=y # CONFIG_KALLSYMS is not set +CONFIG_HOTPLUG=y CONFIG_PRINTK=y CONFIG_BUG=y +CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y # CONFIG_FUTEX is not set # CONFIG_EPOLL is not set -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_SHMEM=y -CONFIG_CC_ALIGN_FUNCTIONS=0 -CONFIG_CC_ALIGN_LABELS=0 -CONFIG_CC_ALIGN_LOOPS=0 -CONFIG_CC_ALIGN_JUMPS=0 +CONFIG_SLAB=y +CONFIG_VM_EVENT_COUNTERS=y # CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 +# CONFIG_SLOB is not set # # Loadable module support @@ -55,12 +60,30 @@ CONFIG_BASE_SMALL=0 CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y # CONFIG_MODULE_FORCE_UNLOAD is not set -CONFIG_OBSOLETE_MODPARM=y # CONFIG_MODVERSIONS is not set # CONFIG_MODULE_SRCVERSION_ALL is not set CONFIG_KMOD=y # +# Block layer +# +CONFIG_BLOCK=y +# CONFIG_BLK_DEV_IO_TRACE is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +# CONFIG_IOSCHED_AS is not set +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +# CONFIG_DEFAULT_AS is not set +# CONFIG_DEFAULT_DEADLINE is not set +CONFIG_DEFAULT_CFQ=y +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="cfq" + +# # Processor type and features # CONFIG_PLAT_MAPPI=y @@ -70,8 +93,10 @@ CONFIG_PLAT_MAPPI=y # CONFIG_PLAT_OAKS32R is not set # CONFIG_PLAT_MAPPI2 is not set # CONFIG_PLAT_MAPPI3 is not set +# CONFIG_PLAT_M32104UT is not set CONFIG_CHIP_M32700=y # CONFIG_CHIP_M32102 is not set +# CONFIG_CHIP_M32104 is not set # CONFIG_CHIP_VDEC2 is not set # CONFIG_CHIP_OPSP is not set CONFIG_MMU=y @@ -85,20 +110,31 @@ CONFIG_TIMER_DIVIDE=128 CONFIG_MEMORY_START=0x08000000 CONFIG_MEMORY_SIZE=0x04000000 CONFIG_NOHIGHMEM=y +CONFIG_ARCH_DISCONTIGMEM_ENABLE=y +CONFIG_SELECT_MEMORY_MODEL=y +# CONFIG_FLATMEM_MANUAL is not set +CONFIG_DISCONTIGMEM_MANUAL=y +# CONFIG_SPARSEMEM_MANUAL is not set CONFIG_DISCONTIGMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +CONFIG_NEED_MULTIPLE_NODES=y +# CONFIG_SPARSEMEM_STATIC is not set +CONFIG_SPLIT_PTLOCK_CPUS=4 +# CONFIG_RESOURCES_64BIT is not set CONFIG_IRAM_START=0x00f00000 CONFIG_IRAM_SIZE=0x00080000 CONFIG_RWSEM_GENERIC_SPINLOCK=y # CONFIG_RWSEM_XCHGADD_ALGORITHM is not set +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_PREEMPT=y -# CONFIG_HAVE_DEC_LOCK is not set # CONFIG_SMP is not set +CONFIG_NODES_SHIFT=1 # # Bus options (PCI, PCMCIA, EISA, MCA, ISA) # -# CONFIG_PCI is not set # CONFIG_ISA is not set # @@ -107,12 +143,14 @@ CONFIG_PREEMPT=y CONFIG_PCCARD=y # CONFIG_PCMCIA_DEBUG is not set CONFIG_PCMCIA=y +CONFIG_PCMCIA_LOAD_CIS=y +CONFIG_PCMCIA_IOCTL=y # # PC-card bridges # -# CONFIG_TCIC is not set CONFIG_M32R_PCC=y +CONFIG_PCCARD_NONSTATIC=y # # PCI Hotplug Support @@ -125,6 +163,93 @@ CONFIG_BINFMT_ELF=y # CONFIG_BINFMT_MISC is not set # +# Networking +# +CONFIG_NET=y + +# +# Networking options +# +# CONFIG_NETDEBUG is not set +# CONFIG_PACKET is not set +CONFIG_UNIX=y +CONFIG_XFRM=y +# CONFIG_XFRM_USER is not set +# CONFIG_XFRM_SUB_POLICY is not set +# CONFIG_NET_KEY is not set +CONFIG_INET=y +# CONFIG_IP_MULTICAST is not set +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +# CONFIG_IP_PNP_BOOTP is not set +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_ARPD is not set +# CONFIG_SYN_COOKIES is not set +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +# CONFIG_INET_TUNNEL is not set +CONFIG_INET_XFRM_MODE_TRANSPORT=y +CONFIG_INET_XFRM_MODE_TUNNEL=y +CONFIG_INET_XFRM_MODE_BEET=y +CONFIG_INET_DIAG=y +CONFIG_INET_TCP_DIAG=y +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set +# CONFIG_IPV6 is not set +# CONFIG_INET6_XFRM_TUNNEL is not set +# CONFIG_INET6_TUNNEL is not set +# CONFIG_NETWORK_SECMARK is not set +# CONFIG_NETFILTER is not set + +# +# DCCP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_DCCP is not set + +# +# SCTP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_SCTP is not set + +# +# TIPC Configuration (EXPERIMENTAL) +# +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set + +# +# QoS and/or fair queueing +# +# CONFIG_NET_SCHED is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_HAMRADIO is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_IEEE80211 is not set + +# # Device Drivers # @@ -133,7 +258,13 @@ CONFIG_BINFMT_ELF=y # # CONFIG_STANDALONE is not set CONFIG_PREVENT_FIRMWARE_BUILD=y -# CONFIG_FW_LOADER is not set +CONFIG_FW_LOADER=y +# CONFIG_SYS_HYPERVISOR is not set + +# +# Connector - unified userspace <-> kernelspace linker +# +# CONFIG_CONNECTOR is not set # # Memory Technology Devices (MTD) @@ -156,6 +287,8 @@ CONFIG_MTD_BLOCK=y # CONFIG_FTL is not set # CONFIG_NFTL is not set # CONFIG_INFTL is not set +# CONFIG_RFD_FTL is not set +# CONFIG_SSFDC is not set # # RAM/ROM/Flash chip drivers @@ -181,6 +314,7 @@ CONFIG_MTD_CFI_I2=y # Mapping drivers for chip access # # CONFIG_MTD_COMPLEX_MAPPINGS is not set +# CONFIG_MTD_PLATRAM is not set # # Self-contained MTD device drivers @@ -188,7 +322,6 @@ CONFIG_MTD_CFI_I2=y # CONFIG_MTD_SLRAM is not set # CONFIG_MTD_PHRAM is not set # CONFIG_MTD_MTDRAM is not set -# CONFIG_MTD_BLKMTD is not set # CONFIG_MTD_BLOCK2MTD is not set # @@ -204,6 +337,11 @@ CONFIG_MTD_CFI_I2=y # CONFIG_MTD_NAND is not set # +# OneNAND Flash Device Drivers +# +# CONFIG_MTD_ONENAND is not set + +# # Parallel port support # # CONFIG_PARPORT is not set @@ -215,7 +353,6 @@ CONFIG_MTD_CFI_I2=y # # Block devices # -# CONFIG_BLK_DEV_FD is not set # CONFIG_BLK_DEV_COW_COMMON is not set CONFIG_BLK_DEV_LOOP=y # CONFIG_BLK_DEV_CRYPTOLOOP is not set @@ -223,23 +360,21 @@ CONFIG_BLK_DEV_NBD=m CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_COUNT=16 CONFIG_BLK_DEV_RAM_SIZE=4096 +CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 CONFIG_BLK_DEV_INITRD=y -CONFIG_INITRAMFS_SOURCE="" # CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set # -# IO Schedulers +# Misc devices # -CONFIG_IOSCHED_NOOP=y -# CONFIG_IOSCHED_AS is not set -CONFIG_IOSCHED_DEADLINE=y -CONFIG_IOSCHED_CFQ=y -# CONFIG_ATA_OVER_ETH is not set +# CONFIG_TIFM_CORE is not set # # ATA/ATAPI/MFM/RLL support # CONFIG_IDE=m +CONFIG_IDE_MAX_HWIFS=4 CONFIG_BLK_DEV_IDE=m # @@ -266,7 +401,13 @@ CONFIG_IDE_GENERIC=m # # SCSI device support # +# CONFIG_RAID_ATTRS is not set # CONFIG_SCSI is not set +# CONFIG_SCSI_NETLINK is not set + +# +# Serial ATA (prod) and Parallel ATA (experimental) drivers +# # # Multi-device support (RAID and LVM) @@ -276,79 +417,19 @@ CONFIG_IDE_GENERIC=m # # Fusion MPT device support # +# CONFIG_FUSION is not set # # IEEE 1394 (FireWire) support # -# CONFIG_IEEE1394 is not set # # I2O device support # # -# Networking support +# Network device support # -CONFIG_NET=y - -# -# Networking options -# -# CONFIG_PACKET is not set -CONFIG_UNIX=y -# CONFIG_NET_KEY is not set -CONFIG_INET=y -# CONFIG_IP_MULTICAST is not set -# CONFIG_IP_ADVANCED_ROUTER is not set -CONFIG_IP_PNP=y -CONFIG_IP_PNP_DHCP=y -# CONFIG_IP_PNP_BOOTP is not set -# CONFIG_IP_PNP_RARP is not set -# CONFIG_NET_IPIP is not set -# CONFIG_NET_IPGRE is not set -# CONFIG_ARPD is not set -# CONFIG_SYN_COOKIES is not set -# CONFIG_INET_AH is not set -# CONFIG_INET_ESP is not set -# CONFIG_INET_IPCOMP is not set -# CONFIG_INET_TUNNEL is not set -CONFIG_IP_TCPDIAG=y -# CONFIG_IP_TCPDIAG_IPV6 is not set -# CONFIG_IPV6 is not set -# CONFIG_NETFILTER is not set - -# -# SCTP Configuration (EXPERIMENTAL) -# -# CONFIG_IP_SCTP is not set -# CONFIG_ATM is not set -# CONFIG_BRIDGE is not set -# CONFIG_VLAN_8021Q is not set -# CONFIG_DECNET is not set -# CONFIG_LLC2 is not set -# CONFIG_IPX is not set -# CONFIG_ATALK is not set -# CONFIG_X25 is not set -# CONFIG_LAPB is not set -# CONFIG_NET_DIVERT is not set -# CONFIG_ECONET is not set -# CONFIG_WAN_ROUTER is not set - -# -# QoS and/or fair queueing -# -# CONFIG_NET_SCHED is not set -# CONFIG_NET_CLS_ROUTE is not set - -# -# Network testing -# -# CONFIG_NET_PKTGEN is not set -# CONFIG_NETPOLL is not set -# CONFIG_NET_POLL_CONTROLLER is not set -# CONFIG_HAMRADIO is not set -# CONFIG_IRDA is not set -# CONFIG_BT is not set CONFIG_NETDEVICES=y # CONFIG_DUMMY is not set # CONFIG_BONDING is not set @@ -356,6 +437,10 @@ CONFIG_NETDEVICES=y # CONFIG_TUN is not set # +# PHY device support +# + +# # Ethernet (10 or 100Mbit) # # CONFIG_NET_ETHERNET is not set @@ -391,6 +476,8 @@ CONFIG_NE2000=y # CONFIG_SLIP is not set # CONFIG_SHAPER is not set # CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set # # ISDN subsystem @@ -406,6 +493,7 @@ CONFIG_NE2000=y # Input device support # CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set # # Userland interfaces @@ -437,7 +525,6 @@ CONFIG_SERIO=y # CONFIG_SERIO_LIBPS2 is not set # CONFIG_SERIO_RAW is not set # CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y # # Character devices @@ -457,7 +544,6 @@ CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y CONFIG_SERIAL_M32R_SIO=y CONFIG_SERIAL_M32R_SIO_CONSOLE=y -# CONFIG_SERIAL_M32R_PLDSIO is not set CONFIG_UNIX98_PTYS=y CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=256 @@ -471,25 +557,27 @@ CONFIG_LEGACY_PTY_COUNT=256 # Watchdog Cards # # CONFIG_WATCHDOG is not set +CONFIG_HW_RANDOM=y # CONFIG_RTC is not set -# CONFIG_GEN_RTC is not set # CONFIG_DTLK is not set # CONFIG_R3964 is not set # # Ftape, the floppy tape device driver # -# CONFIG_DRM is not set # # PCMCIA character devices # # CONFIG_SYNCLINK_CS is not set +# CONFIG_CARDMAN_4000 is not set +# CONFIG_CARDMAN_4040 is not set # CONFIG_RAW_DRIVER is not set # # TPM devices # +# CONFIG_TCG_TPM is not set # # I2C support @@ -497,13 +585,25 @@ CONFIG_LEGACY_PTY_COUNT=256 # CONFIG_I2C is not set # +# SPI support +# +# CONFIG_SPI is not set +# CONFIG_SPI_MASTER is not set + +# # Dallas's 1-wire bus # # CONFIG_W1 is not set # -# Misc devices +# Hardware Monitoring support # +CONFIG_HWMON=y +# CONFIG_HWMON_VID is not set +# CONFIG_SENSORS_ABITUGURU is not set +# CONFIG_SENSORS_F71805F is not set +# CONFIG_SENSORS_VT1211 is not set +# CONFIG_HWMON_DEBUG_CHIP is not set # # Multimedia devices @@ -518,7 +618,9 @@ CONFIG_LEGACY_PTY_COUNT=256 # # Graphics support # +CONFIG_FIRMWARE_EDID=y # CONFIG_FB is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set # # Sound @@ -530,6 +632,11 @@ CONFIG_LEGACY_PTY_COUNT=256 # # CONFIG_USB_ARCH_HAS_HCD is not set # CONFIG_USB_ARCH_HAS_OHCI is not set +# CONFIG_USB_ARCH_HAS_EHCI is not set + +# +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# # # USB Gadget Support @@ -542,30 +649,73 @@ CONFIG_LEGACY_PTY_COUNT=256 # CONFIG_MMC is not set # +# LED devices +# +# CONFIG_NEW_LEDS is not set + +# +# LED drivers +# + +# +# LED Triggers +# + +# # InfiniBand support # -# CONFIG_INFINIBAND is not set + +# +# EDAC - error detection and reporting (RAS) (EXPERIMENTAL) +# + +# +# Real Time Clock +# +# CONFIG_RTC_CLASS is not set + +# +# DMA Engine support +# +# CONFIG_DMA_ENGINE is not set + +# +# DMA Clients +# + +# +# DMA Devices +# # # File systems # CONFIG_EXT2_FS=y # CONFIG_EXT2_FS_XATTR is not set -# CONFIG_EXT3_FS is not set -# CONFIG_JBD is not set +# CONFIG_EXT2_FS_XIP is not set +CONFIG_EXT3_FS=y +CONFIG_EXT3_FS_XATTR=y +# CONFIG_EXT3_FS_POSIX_ACL is not set +# CONFIG_EXT3_FS_SECURITY is not set +# CONFIG_EXT4DEV_FS is not set +CONFIG_JBD=y +# CONFIG_JBD_DEBUG is not set +CONFIG_FS_MBCACHE=y # CONFIG_REISERFS_FS is not set # CONFIG_JFS_FS is not set - -# -# XFS support -# +# CONFIG_FS_POSIX_ACL is not set # CONFIG_XFS_FS is not set +# CONFIG_GFS2_FS is not set +# CONFIG_OCFS2_FS is not set # CONFIG_MINIX_FS is not set CONFIG_ROMFS_FS=y +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y # CONFIG_QUOTA is not set CONFIG_DNOTIFY=y # CONFIG_AUTOFS_FS is not set # CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set # # CD-ROM/DVD Filesystems @@ -590,16 +740,13 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" # CONFIG_PROC_FS=y CONFIG_PROC_KCORE=y +CONFIG_PROC_SYSCTL=y CONFIG_SYSFS=y -CONFIG_DEVFS_FS=y -CONFIG_DEVFS_MOUNT=y -# CONFIG_DEVFS_DEBUG is not set -# CONFIG_DEVPTS_FS_XATTR is not set CONFIG_TMPFS=y -# CONFIG_TMPFS_XATTR is not set -# CONFIG_HUGETLBFS is not set +# CONFIG_TMPFS_POSIX_ACL is not set # CONFIG_HUGETLB_PAGE is not set CONFIG_RAMFS=y +# CONFIG_CONFIGFS_FS is not set # # Miscellaneous filesystems @@ -616,8 +763,9 @@ CONFIG_JFFS_FS_VERBOSE=0 CONFIG_JFFS_PROC_FS=y CONFIG_JFFS2_FS=y CONFIG_JFFS2_FS_DEBUG=0 -# CONFIG_JFFS2_FS_NAND is not set -# CONFIG_JFFS2_FS_NOR_ECC is not set +CONFIG_JFFS2_FS_WRITEBUFFER=y +# CONFIG_JFFS2_SUMMARY is not set +# CONFIG_JFFS2_FS_XATTR is not set # CONFIG_JFFS2_COMPRESSION_OPTIONS is not set CONFIG_JFFS2_ZLIB=y CONFIG_JFFS2_RTIME=y @@ -634,12 +782,14 @@ CONFIG_JFFS2_RTIME=y # CONFIG_NFS_FS=y CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set # CONFIG_NFS_V4 is not set # CONFIG_NFS_DIRECTIO is not set # CONFIG_NFSD is not set CONFIG_ROOT_NFS=y CONFIG_LOCKD=y CONFIG_LOCKD_V4=y +CONFIG_NFS_COMMON=y CONFIG_SUNRPC=y # CONFIG_RPCSEC_GSS_KRB5 is not set # CONFIG_RPCSEC_GSS_SPKM3 is not set @@ -648,6 +798,7 @@ CONFIG_SUNRPC=y # CONFIG_NCP_FS is not set # CONFIG_CODA_FS is not set # CONFIG_AFS_FS is not set +# CONFIG_9P_FS is not set # # Partition Types @@ -708,10 +859,16 @@ CONFIG_NLS_DEFAULT="iso8859-1" # Kernel hacking # # CONFIG_PRINTK_TIME is not set +CONFIG_ENABLE_MUST_CHECK=y +# CONFIG_MAGIC_SYSRQ is not set +# CONFIG_UNUSED_SYMBOLS is not set # CONFIG_DEBUG_KERNEL is not set CONFIG_LOG_BUF_SHIFT=14 # CONFIG_DEBUG_BUGVERBOSE is not set +# CONFIG_DEBUG_FS is not set # CONFIG_FRAME_POINTER is not set +# CONFIG_UNWIND_INFO is not set +# CONFIG_HEADERS_CHECK is not set # # Security options @@ -725,13 +882,10 @@ CONFIG_LOG_BUF_SHIFT=14 # CONFIG_CRYPTO is not set # -# Hardware crypto devices -# - -# # Library routines # # CONFIG_CRC_CCITT is not set +# CONFIG_CRC16 is not set CONFIG_CRC32=y # CONFIG_LIBCRC32C is not set CONFIG_ZLIB_INFLATE=y diff --git a/arch/m32r/mappi2/defconfig.opsp b/arch/m32r/mappi2/defconfig.opsp new file mode 100644 index 00000000000..b379ae96e6a --- /dev/null +++ b/arch/m32r/mappi2/defconfig.opsp @@ -0,0 +1,883 @@ +# +# Automatically generated make config: don't edit +# Linux kernel version: 2.6.19 +# Wed Dec 13 19:40:30 2006 +# +CONFIG_M32R=y +CONFIG_GENERIC_ISA_DMA=y +CONFIG_GENERIC_HARDIRQS=y +CONFIG_GENERIC_IRQ_PROBE=y +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" + +# +# Code maturity level options +# +CONFIG_EXPERIMENTAL=y +CONFIG_BROKEN_ON_SMP=y +CONFIG_LOCK_KERNEL=y +CONFIG_INIT_ENV_ARG_LIMIT=32 + +# +# General setup +# +CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y +CONFIG_SWAP=y +CONFIG_SYSVIPC=y +# CONFIG_IPC_NS is not set +# CONFIG_POSIX_MQUEUE is not set +CONFIG_BSD_PROCESS_ACCT=y +# CONFIG_BSD_PROCESS_ACCT_V3 is not set +# CONFIG_TASKSTATS is not set +# CONFIG_UTS_NS is not set +# CONFIG_AUDIT is not set +CONFIG_IKCONFIG=y +# CONFIG_IKCONFIG_PROC is not set +CONFIG_SYSFS_DEPRECATED=y +# CONFIG_RELAY is not set +CONFIG_INITRAMFS_SOURCE="" +# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set +CONFIG_SYSCTL=y +CONFIG_EMBEDDED=y +CONFIG_SYSCTL_SYSCALL=y +# CONFIG_KALLSYMS is not set +CONFIG_HOTPLUG=y +CONFIG_PRINTK=y +CONFIG_BUG=y +CONFIG_ELF_CORE=y +CONFIG_BASE_FULL=y +# CONFIG_FUTEX is not set +# CONFIG_EPOLL is not set +CONFIG_SHMEM=y +CONFIG_SLAB=y +CONFIG_VM_EVENT_COUNTERS=y +# CONFIG_TINY_SHMEM is not set +CONFIG_BASE_SMALL=0 +# CONFIG_SLOB is not set + +# +# Loadable module support +# +CONFIG_MODULES=y +CONFIG_MODULE_UNLOAD=y +# CONFIG_MODULE_FORCE_UNLOAD is not set +# CONFIG_MODVERSIONS is not set +# CONFIG_MODULE_SRCVERSION_ALL is not set +CONFIG_KMOD=y + +# +# Block layer +# +CONFIG_BLOCK=y +# CONFIG_BLK_DEV_IO_TRACE is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +# CONFIG_IOSCHED_AS is not set +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +# CONFIG_DEFAULT_AS is not set +# CONFIG_DEFAULT_DEADLINE is not set +CONFIG_DEFAULT_CFQ=y +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="cfq" + +# +# Processor type and features +# +# CONFIG_PLAT_MAPPI is not set +# CONFIG_PLAT_USRV is not set +# CONFIG_PLAT_M32700UT is not set +# CONFIG_PLAT_OPSPUT is not set +# CONFIG_PLAT_OAKS32R is not set +CONFIG_PLAT_MAPPI2=y +# CONFIG_PLAT_MAPPI3 is not set +# CONFIG_PLAT_M32104UT is not set +# CONFIG_CHIP_M32700 is not set +# CONFIG_CHIP_M32102 is not set +# CONFIG_CHIP_M32104 is not set +# CONFIG_CHIP_VDEC2 is not set +CONFIG_CHIP_OPSP=y +CONFIG_MMU=y +CONFIG_TLB_ENTRIES=16 +CONFIG_ISA_M32R2=y +CONFIG_ISA_DSP_LEVEL2=y +CONFIG_ISA_DUAL_ISSUE=y +CONFIG_BUS_CLOCK=50000000 +CONFIG_TIMER_DIVIDE=128 +# CONFIG_CPU_LITTLE_ENDIAN is not set +CONFIG_MEMORY_START=0x08000000 +CONFIG_MEMORY_SIZE=0x01000000 +CONFIG_NOHIGHMEM=y +CONFIG_ARCH_DISCONTIGMEM_ENABLE=y +CONFIG_SELECT_MEMORY_MODEL=y +# CONFIG_FLATMEM_MANUAL is not set +CONFIG_DISCONTIGMEM_MANUAL=y +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_DISCONTIGMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +CONFIG_NEED_MULTIPLE_NODES=y +# CONFIG_SPARSEMEM_STATIC is not set +CONFIG_SPLIT_PTLOCK_CPUS=4 +# CONFIG_RESOURCES_64BIT is not set +CONFIG_IRAM_START=0x00f00000 +CONFIG_IRAM_SIZE=0x00008000 +CONFIG_RWSEM_GENERIC_SPINLOCK=y +# CONFIG_RWSEM_XCHGADD_ALGORITHM is not set +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_GENERIC_HWEIGHT=y +CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_PREEMPT=y +# CONFIG_SMP is not set +CONFIG_NODES_SHIFT=1 + +# +# Bus options (PCI, PCMCIA, EISA, MCA, ISA) +# +# CONFIG_ISA is not set + +# +# PCCARD (PCMCIA/CardBus) support +# +CONFIG_PCCARD=y +# CONFIG_PCMCIA_DEBUG is not set +CONFIG_PCMCIA=y +CONFIG_PCMCIA_LOAD_CIS=y +CONFIG_PCMCIA_IOCTL=y + +# +# PC-card bridges +# +# CONFIG_M32R_CFC is not set + +# +# PCI Hotplug Support +# + +# +# Executable file formats +# +CONFIG_BINFMT_ELF=y +# CONFIG_BINFMT_MISC is not set + +# +# Networking +# +CONFIG_NET=y + +# +# Networking options +# +# CONFIG_NETDEBUG is not set +CONFIG_PACKET=y +# CONFIG_PACKET_MMAP is not set +CONFIG_UNIX=y +CONFIG_XFRM=y +# CONFIG_XFRM_USER is not set +# CONFIG_XFRM_SUB_POLICY is not set +# CONFIG_NET_KEY is not set +CONFIG_INET=y +# CONFIG_IP_MULTICAST is not set +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +# CONFIG_IP_PNP_BOOTP is not set +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_ARPD is not set +# CONFIG_SYN_COOKIES is not set +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +# CONFIG_INET_TUNNEL is not set +CONFIG_INET_XFRM_MODE_TRANSPORT=y +CONFIG_INET_XFRM_MODE_TUNNEL=y +CONFIG_INET_XFRM_MODE_BEET=y +CONFIG_INET_DIAG=y +CONFIG_INET_TCP_DIAG=y +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set +# CONFIG_IPV6 is not set +# CONFIG_INET6_XFRM_TUNNEL is not set +# CONFIG_INET6_TUNNEL is not set +# CONFIG_NETWORK_SECMARK is not set +# CONFIG_NETFILTER is not set + +# +# DCCP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_DCCP is not set + +# +# SCTP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_SCTP is not set + +# +# TIPC Configuration (EXPERIMENTAL) +# +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set + +# +# QoS and/or fair queueing +# +# CONFIG_NET_SCHED is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_HAMRADIO is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_IEEE80211 is not set + +# +# Device Drivers +# + +# +# Generic Driver Options +# +CONFIG_STANDALONE=y +CONFIG_PREVENT_FIRMWARE_BUILD=y +CONFIG_FW_LOADER=y +# CONFIG_SYS_HYPERVISOR is not set + +# +# Connector - unified userspace <-> kernelspace linker +# +# CONFIG_CONNECTOR is not set + +# +# Memory Technology Devices (MTD) +# +# CONFIG_MTD is not set + +# +# Parallel port support +# +# CONFIG_PARPORT is not set + +# +# Plug and Play support +# + +# +# Block devices +# +# CONFIG_BLK_DEV_COW_COMMON is not set +CONFIG_BLK_DEV_LOOP=y +# CONFIG_BLK_DEV_CRYPTOLOOP is not set +CONFIG_BLK_DEV_NBD=y +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=16 +CONFIG_BLK_DEV_RAM_SIZE=4096 +CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 +# CONFIG_BLK_DEV_INITRD is not set +# CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set + +# +# Misc devices +# +# CONFIG_TIFM_CORE is not set + +# +# ATA/ATAPI/MFM/RLL support +# +CONFIG_IDE=y +CONFIG_IDE_MAX_HWIFS=4 +CONFIG_BLK_DEV_IDE=y + +# +# Please see Documentation/ide.txt for help/info on IDE drives +# +# CONFIG_BLK_DEV_IDE_SATA is not set +CONFIG_BLK_DEV_IDEDISK=y +# CONFIG_IDEDISK_MULTI_MODE is not set +CONFIG_BLK_DEV_IDECS=y +CONFIG_BLK_DEV_IDECD=m +# CONFIG_BLK_DEV_IDETAPE is not set +# CONFIG_BLK_DEV_IDEFLOPPY is not set +# CONFIG_BLK_DEV_IDESCSI is not set +# CONFIG_IDE_TASK_IOCTL is not set + +# +# IDE chipset support/bugfixes +# +CONFIG_IDE_GENERIC=y +# CONFIG_IDE_ARM is not set +# CONFIG_BLK_DEV_IDEDMA is not set +# CONFIG_IDEDMA_AUTO is not set +# CONFIG_BLK_DEV_HD is not set + +# +# SCSI device support +# +# CONFIG_RAID_ATTRS is not set +CONFIG_SCSI=m +# CONFIG_SCSI_NETLINK is not set +CONFIG_SCSI_PROC_FS=y + +# +# SCSI support type (disk, tape, CD-ROM) +# +CONFIG_BLK_DEV_SD=m +# CONFIG_CHR_DEV_ST is not set +# CONFIG_CHR_DEV_OSST is not set +CONFIG_BLK_DEV_SR=m +# CONFIG_BLK_DEV_SR_VENDOR is not set +CONFIG_CHR_DEV_SG=m +# CONFIG_CHR_DEV_SCH is not set + +# +# Some SCSI devices (e.g. CD jukebox) support multiple LUNs +# +CONFIG_SCSI_MULTI_LUN=y +# CONFIG_SCSI_CONSTANTS is not set +# CONFIG_SCSI_LOGGING is not set + +# +# SCSI Transports +# +# CONFIG_SCSI_SPI_ATTRS is not set +# CONFIG_SCSI_FC_ATTRS is not set +# CONFIG_SCSI_ISCSI_ATTRS is not set +# CONFIG_SCSI_SAS_ATTRS is not set +# CONFIG_SCSI_SAS_LIBSAS is not set + +# +# SCSI low-level drivers +# +# CONFIG_ISCSI_TCP is not set +# CONFIG_SCSI_DEBUG is not set + +# +# PCMCIA SCSI adapter support +# +# CONFIG_PCMCIA_AHA152X is not set +# CONFIG_PCMCIA_FDOMAIN is not set +# CONFIG_PCMCIA_NINJA_SCSI is not set +# CONFIG_PCMCIA_QLOGIC is not set +# CONFIG_PCMCIA_SYM53C500 is not set + +# +# Serial ATA (prod) and Parallel ATA (experimental) drivers +# + +# +# Multi-device support (RAID and LVM) +# +# CONFIG_MD is not set + +# +# Fusion MPT device support +# +# CONFIG_FUSION is not set + +# +# IEEE 1394 (FireWire) support +# + +# +# I2O device support +# + +# +# Network device support +# +CONFIG_NETDEVICES=y +# CONFIG_DUMMY is not set +# CONFIG_BONDING is not set +# CONFIG_EQUALIZER is not set +# CONFIG_TUN is not set + +# +# PHY device support +# +# CONFIG_PHYLIB is not set + +# +# Ethernet (10 or 100Mbit) +# +CONFIG_NET_ETHERNET=y +CONFIG_MII=y +CONFIG_SMC91X=y +# CONFIG_NE2000 is not set + +# +# Ethernet (1000 Mbit) +# + +# +# Ethernet (10000 Mbit) +# + +# +# Token Ring devices +# + +# +# Wireless LAN (non-hamradio) +# +# CONFIG_NET_RADIO is not set + +# +# PCMCIA network device support +# +# CONFIG_NET_PCMCIA is not set + +# +# Wan interfaces +# +# CONFIG_WAN is not set +# CONFIG_PPP is not set +# CONFIG_SLIP is not set +# CONFIG_SHAPER is not set +# CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set + +# +# ISDN subsystem +# +# CONFIG_ISDN is not set + +# +# Telephony Support +# +# CONFIG_PHONE is not set + +# +# Input device support +# +CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set + +# +# Userland interfaces +# +# CONFIG_INPUT_MOUSEDEV is not set +# CONFIG_INPUT_JOYDEV is not set +# CONFIG_INPUT_TSDEV is not set +# CONFIG_INPUT_EVDEV is not set +# CONFIG_INPUT_EVBUG is not set + +# +# Input Device Drivers +# +# CONFIG_INPUT_KEYBOARD is not set +# CONFIG_INPUT_MOUSE is not set +# CONFIG_INPUT_JOYSTICK is not set +# CONFIG_INPUT_TOUCHSCREEN is not set +# CONFIG_INPUT_MISC is not set + +# +# Hardware I/O ports +# +CONFIG_SERIO=y +# CONFIG_SERIO_I8042 is not set +CONFIG_SERIO_SERPORT=y +# CONFIG_SERIO_LIBPS2 is not set +# CONFIG_SERIO_RAW is not set +# CONFIG_GAMEPORT is not set + +# +# Character devices +# +CONFIG_VT=y +CONFIG_VT_CONSOLE=y +CONFIG_HW_CONSOLE=y +# CONFIG_VT_HW_CONSOLE_BINDING is not set +# CONFIG_SERIAL_NONSTANDARD is not set + +# +# Serial drivers +# +# CONFIG_SERIAL_8250 is not set + +# +# Non-8250 serial port support +# +CONFIG_SERIAL_CORE=y +CONFIG_SERIAL_CORE_CONSOLE=y +CONFIG_SERIAL_M32R_SIO=y +CONFIG_SERIAL_M32R_SIO_CONSOLE=y +CONFIG_UNIX98_PTYS=y +CONFIG_LEGACY_PTYS=y +CONFIG_LEGACY_PTY_COUNT=256 + +# +# IPMI +# +# CONFIG_IPMI_HANDLER is not set + +# +# Watchdog Cards +# +# CONFIG_WATCHDOG is not set +CONFIG_HW_RANDOM=y +# CONFIG_RTC is not set +# CONFIG_DTLK is not set +# CONFIG_R3964 is not set + +# +# Ftape, the floppy tape device driver +# + +# +# PCMCIA character devices +# +# CONFIG_SYNCLINK_CS is not set +# CONFIG_CARDMAN_4000 is not set +# CONFIG_CARDMAN_4040 is not set +# CONFIG_RAW_DRIVER is not set + +# +# TPM devices +# +# CONFIG_TCG_TPM is not set + +# +# I2C support +# +# CONFIG_I2C is not set + +# +# SPI support +# +# CONFIG_SPI is not set +# CONFIG_SPI_MASTER is not set + +# +# Dallas's 1-wire bus +# +# CONFIG_W1 is not set + +# +# Hardware Monitoring support +# +CONFIG_HWMON=y +# CONFIG_HWMON_VID is not set +# CONFIG_SENSORS_ABITUGURU is not set +# CONFIG_SENSORS_F71805F is not set +# CONFIG_SENSORS_VT1211 is not set +# CONFIG_HWMON_DEBUG_CHIP is not set + +# +# Multimedia devices +# +CONFIG_VIDEO_DEV=y +CONFIG_VIDEO_V4L1=y +CONFIG_VIDEO_V4L1_COMPAT=y +CONFIG_VIDEO_V4L2=y + +# +# Video Capture Adapters +# + +# +# Video Capture Adapters +# +# CONFIG_VIDEO_ADV_DEBUG is not set +CONFIG_VIDEO_HELPER_CHIPS_AUTO=y +# CONFIG_VIDEO_VIVI is not set +# CONFIG_VIDEO_CPIA is not set +# CONFIG_VIDEO_M32R_AR is not set + +# +# Radio Adapters +# + +# +# Digital Video Broadcasting Devices +# +# CONFIG_DVB is not set + +# +# Graphics support +# +CONFIG_FIRMWARE_EDID=y +# CONFIG_FB is not set + +# +# Console display driver support +# +# CONFIG_VGA_CONSOLE is not set +CONFIG_DUMMY_CONSOLE=y +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set + +# +# Sound +# +# CONFIG_SOUND is not set + +# +# USB support +# +# CONFIG_USB_ARCH_HAS_HCD is not set +# CONFIG_USB_ARCH_HAS_OHCI is not set +# CONFIG_USB_ARCH_HAS_EHCI is not set + +# +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# + +# +# USB Gadget Support +# +# CONFIG_USB_GADGET is not set + +# +# MMC/SD Card support +# +# CONFIG_MMC is not set + +# +# LED devices +# +# CONFIG_NEW_LEDS is not set + +# +# LED drivers +# + +# +# LED Triggers +# + +# +# InfiniBand support +# + +# +# EDAC - error detection and reporting (RAS) (EXPERIMENTAL) +# + +# +# Real Time Clock +# +# CONFIG_RTC_CLASS is not set + +# +# DMA Engine support +# +# CONFIG_DMA_ENGINE is not set + +# +# DMA Clients +# + +# +# DMA Devices +# + +# +# File systems +# +CONFIG_EXT2_FS=y +# CONFIG_EXT2_FS_XATTR is not set +# CONFIG_EXT2_FS_XIP is not set +CONFIG_EXT3_FS=y +CONFIG_EXT3_FS_XATTR=y +# CONFIG_EXT3_FS_POSIX_ACL is not set +# CONFIG_EXT3_FS_SECURITY is not set +# CONFIG_EXT4DEV_FS is not set +CONFIG_JBD=y +CONFIG_JBD_DEBUG=y +CONFIG_FS_MBCACHE=y +# CONFIG_REISERFS_FS is not set +# CONFIG_JFS_FS is not set +# CONFIG_FS_POSIX_ACL is not set +# CONFIG_XFS_FS is not set +# CONFIG_GFS2_FS is not set +# CONFIG_OCFS2_FS is not set +# CONFIG_MINIX_FS is not set +# CONFIG_ROMFS_FS is not set +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y +# CONFIG_QUOTA is not set +CONFIG_DNOTIFY=y +# CONFIG_AUTOFS_FS is not set +# CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set + +# +# CD-ROM/DVD Filesystems +# +CONFIG_ISO9660_FS=m +CONFIG_JOLIET=y +# CONFIG_ZISOFS is not set +CONFIG_UDF_FS=m +CONFIG_UDF_NLS=y + +# +# DOS/FAT/NT Filesystems +# +CONFIG_FAT_FS=m +CONFIG_MSDOS_FS=m +CONFIG_VFAT_FS=m +CONFIG_FAT_DEFAULT_CODEPAGE=437 +CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" +# CONFIG_NTFS_FS is not set + +# +# Pseudo filesystems +# +CONFIG_PROC_FS=y +CONFIG_PROC_KCORE=y +CONFIG_PROC_SYSCTL=y +CONFIG_SYSFS=y +CONFIG_TMPFS=y +# CONFIG_TMPFS_POSIX_ACL is not set +# CONFIG_HUGETLB_PAGE is not set +CONFIG_RAMFS=y +# CONFIG_CONFIGFS_FS is not set + +# +# Miscellaneous filesystems +# +# CONFIG_ADFS_FS is not set +# CONFIG_AFFS_FS is not set +# CONFIG_HFS_FS is not set +# CONFIG_HFSPLUS_FS is not set +# CONFIG_BEFS_FS is not set +# CONFIG_BFS_FS is not set +# CONFIG_EFS_FS is not set +# CONFIG_CRAMFS is not set +# CONFIG_VXFS_FS is not set +# CONFIG_HPFS_FS is not set +# CONFIG_QNX4FS_FS is not set +# CONFIG_SYSV_FS is not set +# CONFIG_UFS_FS is not set + +# +# Network File Systems +# +CONFIG_NFS_FS=y +CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set +# CONFIG_NFS_V4 is not set +# CONFIG_NFS_DIRECTIO is not set +# CONFIG_NFSD is not set +CONFIG_ROOT_NFS=y +CONFIG_LOCKD=y +CONFIG_LOCKD_V4=y +CONFIG_NFS_COMMON=y +CONFIG_SUNRPC=y +# CONFIG_RPCSEC_GSS_KRB5 is not set +# CONFIG_RPCSEC_GSS_SPKM3 is not set +# CONFIG_SMB_FS is not set +# CONFIG_CIFS is not set +# CONFIG_NCP_FS is not set +# CONFIG_CODA_FS is not set +# CONFIG_AFS_FS is not set +# CONFIG_9P_FS is not set + +# +# Partition Types +# +# CONFIG_PARTITION_ADVANCED is not set +CONFIG_MSDOS_PARTITION=y + +# +# Native Language Support +# +CONFIG_NLS=y +CONFIG_NLS_DEFAULT="iso8859-1" +# CONFIG_NLS_CODEPAGE_437 is not set +# CONFIG_NLS_CODEPAGE_737 is not set +# CONFIG_NLS_CODEPAGE_775 is not set +# CONFIG_NLS_CODEPAGE_850 is not set +# CONFIG_NLS_CODEPAGE_852 is not set +# CONFIG_NLS_CODEPAGE_855 is not set +# CONFIG_NLS_CODEPAGE_857 is not set +# CONFIG_NLS_CODEPAGE_860 is not set +# CONFIG_NLS_CODEPAGE_861 is not set +# CONFIG_NLS_CODEPAGE_862 is not set +# CONFIG_NLS_CODEPAGE_863 is not set +# CONFIG_NLS_CODEPAGE_864 is not set +# CONFIG_NLS_CODEPAGE_865 is not set +# CONFIG_NLS_CODEPAGE_866 is not set +# CONFIG_NLS_CODEPAGE_869 is not set +# CONFIG_NLS_CODEPAGE_936 is not set +# CONFIG_NLS_CODEPAGE_950 is not set +# CONFIG_NLS_CODEPAGE_932 is not set +# CONFIG_NLS_CODEPAGE_949 is not set +# CONFIG_NLS_CODEPAGE_874 is not set +# CONFIG_NLS_ISO8859_8 is not set +# CONFIG_NLS_CODEPAGE_1250 is not set +# CONFIG_NLS_CODEPAGE_1251 is not set +# CONFIG_NLS_ASCII is not set +# CONFIG_NLS_ISO8859_1 is not set +# CONFIG_NLS_ISO8859_2 is not set +# CONFIG_NLS_ISO8859_3 is not set +# CONFIG_NLS_ISO8859_4 is not set +# CONFIG_NLS_ISO8859_5 is not set +# CONFIG_NLS_ISO8859_6 is not set +# CONFIG_NLS_ISO8859_7 is not set +# CONFIG_NLS_ISO8859_9 is not set +# CONFIG_NLS_ISO8859_13 is not set +# CONFIG_NLS_ISO8859_14 is not set +# CONFIG_NLS_ISO8859_15 is not set +# CONFIG_NLS_KOI8_R is not set +# CONFIG_NLS_KOI8_U is not set +# CONFIG_NLS_UTF8 is not set + +# +# Profiling support +# +# CONFIG_PROFILING is not set + +# +# Kernel hacking +# +# CONFIG_PRINTK_TIME is not set +CONFIG_ENABLE_MUST_CHECK=y +# CONFIG_MAGIC_SYSRQ is not set +# CONFIG_UNUSED_SYMBOLS is not set +# CONFIG_DEBUG_KERNEL is not set +CONFIG_LOG_BUF_SHIFT=14 +# CONFIG_DEBUG_BUGVERBOSE is not set +# CONFIG_DEBUG_FS is not set +# CONFIG_FRAME_POINTER is not set +# CONFIG_UNWIND_INFO is not set +# CONFIG_HEADERS_CHECK is not set + +# +# Security options +# +# CONFIG_KEYS is not set +# CONFIG_SECURITY is not set + +# +# Cryptographic options +# +# CONFIG_CRYPTO is not set + +# +# Library routines +# +# CONFIG_CRC_CCITT is not set +# CONFIG_CRC16 is not set +CONFIG_CRC32=y +# CONFIG_LIBCRC32C is not set diff --git a/arch/m32r/mappi2/defconfig.vdec2 b/arch/m32r/mappi2/defconfig.vdec2 index 56f287b6589..fe5b2a63cd6 100644 --- a/arch/m32r/mappi2/defconfig.vdec2 +++ b/arch/m32r/mappi2/defconfig.vdec2 @@ -1,19 +1,18 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.12-rc5 -# Fri Jun 3 16:22:02 2005 +# Linux kernel version: 2.6.19 +# Wed Dec 13 19:31:44 2006 # CONFIG_M32R=y -# CONFIG_UID16 is not set CONFIG_GENERIC_ISA_DMA=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" # # Code maturity level options # CONFIG_EXPERIMENTAL=y -CONFIG_CLEAN_COMPILE=y CONFIG_BROKEN_ON_SMP=y CONFIG_LOCK_KERNEL=y CONFIG_INIT_ENV_ARG_LIMIT=32 @@ -22,32 +21,39 @@ CONFIG_INIT_ENV_ARG_LIMIT=32 # General setup # CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y CONFIG_SWAP=y CONFIG_SYSVIPC=y +# CONFIG_IPC_NS is not set # CONFIG_POSIX_MQUEUE is not set CONFIG_BSD_PROCESS_ACCT=y # CONFIG_BSD_PROCESS_ACCT_V3 is not set -CONFIG_SYSCTL=y +# CONFIG_TASKSTATS is not set +# CONFIG_UTS_NS is not set # CONFIG_AUDIT is not set -CONFIG_HOTPLUG=y -CONFIG_KOBJECT_UEVENT=y CONFIG_IKCONFIG=y # CONFIG_IKCONFIG_PROC is not set +CONFIG_SYSFS_DEPRECATED=y +# CONFIG_RELAY is not set +CONFIG_INITRAMFS_SOURCE="" +# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set +CONFIG_SYSCTL=y CONFIG_EMBEDDED=y +CONFIG_SYSCTL_SYSCALL=y # CONFIG_KALLSYMS is not set +CONFIG_HOTPLUG=y CONFIG_PRINTK=y CONFIG_BUG=y +CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y # CONFIG_FUTEX is not set # CONFIG_EPOLL is not set -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_SHMEM=y -CONFIG_CC_ALIGN_FUNCTIONS=0 -CONFIG_CC_ALIGN_LABELS=0 -CONFIG_CC_ALIGN_LOOPS=0 -CONFIG_CC_ALIGN_JUMPS=0 +CONFIG_SLAB=y +CONFIG_VM_EVENT_COUNTERS=y # CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 +# CONFIG_SLOB is not set # # Loadable module support @@ -55,12 +61,30 @@ CONFIG_BASE_SMALL=0 CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y # CONFIG_MODULE_FORCE_UNLOAD is not set -CONFIG_OBSOLETE_MODPARM=y # CONFIG_MODVERSIONS is not set # CONFIG_MODULE_SRCVERSION_ALL is not set CONFIG_KMOD=y # +# Block layer +# +CONFIG_BLOCK=y +# CONFIG_BLK_DEV_IO_TRACE is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +# CONFIG_IOSCHED_AS is not set +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +# CONFIG_DEFAULT_AS is not set +# CONFIG_DEFAULT_DEADLINE is not set +CONFIG_DEFAULT_CFQ=y +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="cfq" + +# # Processor type and features # # CONFIG_PLAT_MAPPI is not set @@ -70,8 +94,10 @@ CONFIG_KMOD=y # CONFIG_PLAT_OAKS32R is not set CONFIG_PLAT_MAPPI2=y # CONFIG_PLAT_MAPPI3 is not set +# CONFIG_PLAT_M32104UT is not set # CONFIG_CHIP_M32700 is not set # CONFIG_CHIP_M32102 is not set +# CONFIG_CHIP_M32104 is not set CONFIG_CHIP_VDEC2=y # CONFIG_CHIP_OPSP is not set CONFIG_MMU=y @@ -83,18 +109,31 @@ CONFIG_TIMER_DIVIDE=128 CONFIG_MEMORY_START=0x08000000 CONFIG_MEMORY_SIZE=0x01000000 CONFIG_NOHIGHMEM=y -# CONFIG_DISCONTIGMEM is not set +CONFIG_ARCH_DISCONTIGMEM_ENABLE=y +CONFIG_SELECT_MEMORY_MODEL=y +# CONFIG_FLATMEM_MANUAL is not set +CONFIG_DISCONTIGMEM_MANUAL=y +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_DISCONTIGMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +CONFIG_NEED_MULTIPLE_NODES=y +# CONFIG_SPARSEMEM_STATIC is not set +CONFIG_SPLIT_PTLOCK_CPUS=4 +# CONFIG_RESOURCES_64BIT is not set +CONFIG_IRAM_START=0x00f00000 +CONFIG_IRAM_SIZE=0x00008000 CONFIG_RWSEM_GENERIC_SPINLOCK=y # CONFIG_RWSEM_XCHGADD_ALGORITHM is not set +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_PREEMPT=y -# CONFIG_HAVE_DEC_LOCK is not set # CONFIG_SMP is not set +CONFIG_NODES_SHIFT=1 # # Bus options (PCI, PCMCIA, EISA, MCA, ISA) # -# CONFIG_PCI is not set # CONFIG_ISA is not set # @@ -103,11 +142,12 @@ CONFIG_PREEMPT=y CONFIG_PCCARD=y # CONFIG_PCMCIA_DEBUG is not set CONFIG_PCMCIA=y +CONFIG_PCMCIA_LOAD_CIS=y +CONFIG_PCMCIA_IOCTL=y # # PC-card bridges # -# CONFIG_TCIC is not set # CONFIG_M32R_CFC is not set # @@ -121,6 +161,94 @@ CONFIG_BINFMT_ELF=y # CONFIG_BINFMT_MISC is not set # +# Networking +# +CONFIG_NET=y + +# +# Networking options +# +# CONFIG_NETDEBUG is not set +CONFIG_PACKET=y +# CONFIG_PACKET_MMAP is not set +CONFIG_UNIX=y +CONFIG_XFRM=y +# CONFIG_XFRM_USER is not set +# CONFIG_XFRM_SUB_POLICY is not set +# CONFIG_NET_KEY is not set +CONFIG_INET=y +# CONFIG_IP_MULTICAST is not set +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +# CONFIG_IP_PNP_BOOTP is not set +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_ARPD is not set +# CONFIG_SYN_COOKIES is not set +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +# CONFIG_INET_TUNNEL is not set +CONFIG_INET_XFRM_MODE_TRANSPORT=y +CONFIG_INET_XFRM_MODE_TUNNEL=y +CONFIG_INET_XFRM_MODE_BEET=y +CONFIG_INET_DIAG=y +CONFIG_INET_TCP_DIAG=y +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set +# CONFIG_IPV6 is not set +# CONFIG_INET6_XFRM_TUNNEL is not set +# CONFIG_INET6_TUNNEL is not set +# CONFIG_NETWORK_SECMARK is not set +# CONFIG_NETFILTER is not set + +# +# DCCP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_DCCP is not set + +# +# SCTP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_SCTP is not set + +# +# TIPC Configuration (EXPERIMENTAL) +# +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set + +# +# QoS and/or fair queueing +# +# CONFIG_NET_SCHED is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_HAMRADIO is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_IEEE80211 is not set + +# # Device Drivers # @@ -129,7 +257,13 @@ CONFIG_BINFMT_ELF=y # CONFIG_STANDALONE=y CONFIG_PREVENT_FIRMWARE_BUILD=y -# CONFIG_FW_LOADER is not set +CONFIG_FW_LOADER=y +# CONFIG_SYS_HYPERVISOR is not set + +# +# Connector - unified userspace <-> kernelspace linker +# +# CONFIG_CONNECTOR is not set # # Memory Technology Devices (MTD) @@ -148,7 +282,6 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # # Block devices # -# CONFIG_BLK_DEV_FD is not set # CONFIG_BLK_DEV_COW_COMMON is not set CONFIG_BLK_DEV_LOOP=y # CONFIG_BLK_DEV_CRYPTOLOOP is not set @@ -156,23 +289,21 @@ CONFIG_BLK_DEV_NBD=y CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_COUNT=16 CONFIG_BLK_DEV_RAM_SIZE=4096 +CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 # CONFIG_BLK_DEV_INITRD is not set -CONFIG_INITRAMFS_SOURCE="" # CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set # -# IO Schedulers +# Misc devices # -CONFIG_IOSCHED_NOOP=y -# CONFIG_IOSCHED_AS is not set -CONFIG_IOSCHED_DEADLINE=y -CONFIG_IOSCHED_CFQ=y -# CONFIG_ATA_OVER_ETH is not set +# CONFIG_TIFM_CORE is not set # # ATA/ATAPI/MFM/RLL support # CONFIG_IDE=y +CONFIG_IDE_MAX_HWIFS=4 CONFIG_BLK_DEV_IDE=y # @@ -200,7 +331,9 @@ CONFIG_IDE_GENERIC=y # # SCSI device support # +# CONFIG_RAID_ATTRS is not set CONFIG_SCSI=m +# CONFIG_SCSI_NETLINK is not set CONFIG_SCSI_PROC_FS=y # @@ -212,6 +345,7 @@ CONFIG_BLK_DEV_SD=m CONFIG_BLK_DEV_SR=m # CONFIG_BLK_DEV_SR_VENDOR is not set CONFIG_CHR_DEV_SG=m +# CONFIG_CHR_DEV_SCH is not set # # Some SCSI devices (e.g. CD jukebox) support multiple LUNs @@ -221,16 +355,18 @@ CONFIG_SCSI_MULTI_LUN=y # CONFIG_SCSI_LOGGING is not set # -# SCSI Transport Attributes +# SCSI Transports # # CONFIG_SCSI_SPI_ATTRS is not set # CONFIG_SCSI_FC_ATTRS is not set # CONFIG_SCSI_ISCSI_ATTRS is not set +# CONFIG_SCSI_SAS_ATTRS is not set +# CONFIG_SCSI_SAS_LIBSAS is not set # # SCSI low-level drivers # -# CONFIG_SCSI_SATA is not set +# CONFIG_ISCSI_TCP is not set # CONFIG_SCSI_DEBUG is not set # @@ -243,6 +379,10 @@ CONFIG_SCSI_MULTI_LUN=y # CONFIG_PCMCIA_SYM53C500 is not set # +# Serial ATA (prod) and Parallel ATA (experimental) drivers +# + +# # Multi-device support (RAID and LVM) # # CONFIG_MD is not set @@ -250,6 +390,7 @@ CONFIG_SCSI_MULTI_LUN=y # # Fusion MPT device support # +# CONFIG_FUSION is not set # # IEEE 1394 (FireWire) support @@ -260,69 +401,8 @@ CONFIG_SCSI_MULTI_LUN=y # # -# Networking support -# -CONFIG_NET=y - -# -# Networking options -# -CONFIG_PACKET=y -# CONFIG_PACKET_MMAP is not set -CONFIG_UNIX=y -# CONFIG_NET_KEY is not set -CONFIG_INET=y -# CONFIG_IP_MULTICAST is not set -# CONFIG_IP_ADVANCED_ROUTER is not set -CONFIG_IP_PNP=y -CONFIG_IP_PNP_DHCP=y -# CONFIG_IP_PNP_BOOTP is not set -# CONFIG_IP_PNP_RARP is not set -# CONFIG_NET_IPIP is not set -# CONFIG_NET_IPGRE is not set -# CONFIG_ARPD is not set -# CONFIG_SYN_COOKIES is not set -# CONFIG_INET_AH is not set -# CONFIG_INET_ESP is not set -# CONFIG_INET_IPCOMP is not set -# CONFIG_INET_TUNNEL is not set -CONFIG_IP_TCPDIAG=y -# CONFIG_IP_TCPDIAG_IPV6 is not set -# CONFIG_IPV6 is not set -# CONFIG_NETFILTER is not set - -# -# SCTP Configuration (EXPERIMENTAL) -# -# CONFIG_IP_SCTP is not set -# CONFIG_ATM is not set -# CONFIG_BRIDGE is not set -# CONFIG_VLAN_8021Q is not set -# CONFIG_DECNET is not set -# CONFIG_LLC2 is not set -# CONFIG_IPX is not set -# CONFIG_ATALK is not set -# CONFIG_X25 is not set -# CONFIG_LAPB is not set -# CONFIG_NET_DIVERT is not set -# CONFIG_ECONET is not set -# CONFIG_WAN_ROUTER is not set - -# -# QoS and/or fair queueing -# -# CONFIG_NET_SCHED is not set -# CONFIG_NET_CLS_ROUTE is not set - -# -# Network testing +# Network device support # -# CONFIG_NET_PKTGEN is not set -# CONFIG_NETPOLL is not set -# CONFIG_NET_POLL_CONTROLLER is not set -# CONFIG_HAMRADIO is not set -# CONFIG_IRDA is not set -# CONFIG_BT is not set CONFIG_NETDEVICES=y # CONFIG_DUMMY is not set # CONFIG_BONDING is not set @@ -330,6 +410,11 @@ CONFIG_NETDEVICES=y # CONFIG_TUN is not set # +# PHY device support +# +# CONFIG_PHYLIB is not set + +# # Ethernet (10 or 100Mbit) # CONFIG_NET_ETHERNET=y @@ -367,6 +452,8 @@ CONFIG_SMC91X=y # CONFIG_SLIP is not set # CONFIG_SHAPER is not set # CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set # # ISDN subsystem @@ -382,6 +469,7 @@ CONFIG_SMC91X=y # Input device support # CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set # # Userland interfaces @@ -410,7 +498,6 @@ CONFIG_SERIO_SERPORT=y # CONFIG_SERIO_LIBPS2 is not set # CONFIG_SERIO_RAW is not set # CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y # # Character devices @@ -418,6 +505,7 @@ CONFIG_SOUND_GAMEPORT=y CONFIG_VT=y CONFIG_VT_CONSOLE=y CONFIG_HW_CONSOLE=y +# CONFIG_VT_HW_CONSOLE_BINDING is not set # CONFIG_SERIAL_NONSTANDARD is not set # @@ -432,7 +520,6 @@ CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y CONFIG_SERIAL_M32R_SIO=y CONFIG_SERIAL_M32R_SIO_CONSOLE=y -# CONFIG_SERIAL_M32R_PLDSIO is not set CONFIG_UNIX98_PTYS=y CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=256 @@ -446,25 +533,27 @@ CONFIG_LEGACY_PTY_COUNT=256 # Watchdog Cards # # CONFIG_WATCHDOG is not set +CONFIG_HW_RANDOM=y # CONFIG_RTC is not set -# CONFIG_GEN_RTC is not set # CONFIG_DTLK is not set # CONFIG_R3964 is not set # # Ftape, the floppy tape device driver # -# CONFIG_DRM is not set # # PCMCIA character devices # # CONFIG_SYNCLINK_CS is not set +# CONFIG_CARDMAN_4000 is not set +# CONFIG_CARDMAN_4040 is not set # CONFIG_RAW_DRIVER is not set # # TPM devices # +# CONFIG_TCG_TPM is not set # # I2C support @@ -472,33 +561,50 @@ CONFIG_LEGACY_PTY_COUNT=256 # CONFIG_I2C is not set # +# SPI support +# +# CONFIG_SPI is not set +# CONFIG_SPI_MASTER is not set + +# # Dallas's 1-wire bus # # CONFIG_W1 is not set # -# Misc devices +# Hardware Monitoring support # +CONFIG_HWMON=y +# CONFIG_HWMON_VID is not set +# CONFIG_SENSORS_ABITUGURU is not set +# CONFIG_SENSORS_F71805F is not set +# CONFIG_SENSORS_VT1211 is not set +# CONFIG_HWMON_DEBUG_CHIP is not set # # Multimedia devices # CONFIG_VIDEO_DEV=y +CONFIG_VIDEO_V4L1=y +CONFIG_VIDEO_V4L1_COMPAT=y +CONFIG_VIDEO_V4L2=y # -# Video For Linux +# Video Capture Adapters # # -# Video Adapters +# Video Capture Adapters # +# CONFIG_VIDEO_ADV_DEBUG is not set +CONFIG_VIDEO_HELPER_CHIPS_AUTO=y +# CONFIG_VIDEO_VIVI is not set # CONFIG_VIDEO_CPIA is not set # CONFIG_VIDEO_M32R_AR is not set # # Radio Adapters # -# CONFIG_RADIO_MAESTRO is not set # # Digital Video Broadcasting Devices @@ -508,6 +614,7 @@ CONFIG_VIDEO_DEV=y # # Graphics support # +CONFIG_FIRMWARE_EDID=y # CONFIG_FB is not set # @@ -515,6 +622,7 @@ CONFIG_VIDEO_DEV=y # # CONFIG_VGA_CONSOLE is not set CONFIG_DUMMY_CONSOLE=y +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set # # Sound @@ -526,6 +634,11 @@ CONFIG_DUMMY_CONSOLE=y # # CONFIG_USB_ARCH_HAS_HCD is not set # CONFIG_USB_ARCH_HAS_OHCI is not set +# CONFIG_USB_ARCH_HAS_EHCI is not set + +# +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# # # USB Gadget Support @@ -538,38 +651,73 @@ CONFIG_DUMMY_CONSOLE=y # CONFIG_MMC is not set # +# LED devices +# +# CONFIG_NEW_LEDS is not set + +# +# LED drivers +# + +# +# LED Triggers +# + +# # InfiniBand support # -# CONFIG_INFINIBAND is not set + +# +# EDAC - error detection and reporting (RAS) (EXPERIMENTAL) +# + +# +# Real Time Clock +# +# CONFIG_RTC_CLASS is not set + +# +# DMA Engine support +# +# CONFIG_DMA_ENGINE is not set + +# +# DMA Clients +# + +# +# DMA Devices +# # # File systems # CONFIG_EXT2_FS=y # CONFIG_EXT2_FS_XATTR is not set -CONFIG_EXT3_FS=m +# CONFIG_EXT2_FS_XIP is not set +CONFIG_EXT3_FS=y CONFIG_EXT3_FS_XATTR=y # CONFIG_EXT3_FS_POSIX_ACL is not set # CONFIG_EXT3_FS_SECURITY is not set -CONFIG_JBD=m +# CONFIG_EXT4DEV_FS is not set +CONFIG_JBD=y CONFIG_JBD_DEBUG=y CONFIG_FS_MBCACHE=y -CONFIG_REISERFS_FS=m -# CONFIG_REISERFS_CHECK is not set -# CONFIG_REISERFS_PROC_INFO is not set -# CONFIG_REISERFS_FS_XATTR is not set +# CONFIG_REISERFS_FS is not set # CONFIG_JFS_FS is not set - -# -# XFS support -# +# CONFIG_FS_POSIX_ACL is not set # CONFIG_XFS_FS is not set +# CONFIG_GFS2_FS is not set +# CONFIG_OCFS2_FS is not set # CONFIG_MINIX_FS is not set # CONFIG_ROMFS_FS is not set +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y # CONFIG_QUOTA is not set CONFIG_DNOTIFY=y # CONFIG_AUTOFS_FS is not set # CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set # # CD-ROM/DVD Filesystems @@ -595,15 +743,13 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" # CONFIG_PROC_FS=y CONFIG_PROC_KCORE=y +CONFIG_PROC_SYSCTL=y CONFIG_SYSFS=y -CONFIG_DEVFS_FS=y -CONFIG_DEVFS_MOUNT=y -# CONFIG_DEVFS_DEBUG is not set -# CONFIG_DEVPTS_FS_XATTR is not set CONFIG_TMPFS=y -# CONFIG_TMPFS_XATTR is not set +# CONFIG_TMPFS_POSIX_ACL is not set # CONFIG_HUGETLB_PAGE is not set CONFIG_RAMFS=y +# CONFIG_CONFIGFS_FS is not set # # Miscellaneous filesystems @@ -627,12 +773,14 @@ CONFIG_RAMFS=y # CONFIG_NFS_FS=y CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set # CONFIG_NFS_V4 is not set # CONFIG_NFS_DIRECTIO is not set # CONFIG_NFSD is not set CONFIG_ROOT_NFS=y CONFIG_LOCKD=y CONFIG_LOCKD_V4=y +CONFIG_NFS_COMMON=y CONFIG_SUNRPC=y # CONFIG_RPCSEC_GSS_KRB5 is not set # CONFIG_RPCSEC_GSS_SPKM3 is not set @@ -641,6 +789,7 @@ CONFIG_SUNRPC=y # CONFIG_NCP_FS is not set # CONFIG_CODA_FS is not set # CONFIG_AFS_FS is not set +# CONFIG_9P_FS is not set # # Partition Types @@ -701,10 +850,16 @@ CONFIG_NLS_DEFAULT="iso8859-1" # Kernel hacking # # CONFIG_PRINTK_TIME is not set +CONFIG_ENABLE_MUST_CHECK=y +# CONFIG_MAGIC_SYSRQ is not set +# CONFIG_UNUSED_SYMBOLS is not set # CONFIG_DEBUG_KERNEL is not set CONFIG_LOG_BUF_SHIFT=14 # CONFIG_DEBUG_BUGVERBOSE is not set +# CONFIG_DEBUG_FS is not set # CONFIG_FRAME_POINTER is not set +# CONFIG_UNWIND_INFO is not set +# CONFIG_HEADERS_CHECK is not set # # Security options @@ -718,12 +873,9 @@ CONFIG_LOG_BUF_SHIFT=14 # CONFIG_CRYPTO is not set # -# Hardware crypto devices -# - -# # Library routines # # CONFIG_CRC_CCITT is not set +# CONFIG_CRC16 is not set CONFIG_CRC32=y # CONFIG_LIBCRC32C is not set diff --git a/arch/m32r/mappi3/defconfig.smp b/arch/m32r/mappi3/defconfig.smp index 2eebe75fc07..2f352267a6d 100644 --- a/arch/m32r/mappi3/defconfig.smp +++ b/arch/m32r/mappi3/defconfig.smp @@ -1,21 +1,18 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.12-rc5 -# Tue May 31 17:55:34 2005 +# Linux kernel version: 2.6.19 +# Mon Dec 11 19:57:33 2006 # CONFIG_M32R=y -# CONFIG_UID16 is not set CONFIG_GENERIC_ISA_DMA=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" # # Code maturity level options # CONFIG_EXPERIMENTAL=y -# CONFIG_CLEAN_COMPILE is not set -CONFIG_BROKEN=y -CONFIG_BROKEN_ON_SMP=y CONFIG_LOCK_KERNEL=y CONFIG_INIT_ENV_ARG_LIMIT=32 @@ -23,32 +20,39 @@ CONFIG_INIT_ENV_ARG_LIMIT=32 # General setup # CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y CONFIG_SWAP=y CONFIG_SYSVIPC=y +# CONFIG_IPC_NS is not set # CONFIG_POSIX_MQUEUE is not set # CONFIG_BSD_PROCESS_ACCT is not set -CONFIG_SYSCTL=y +# CONFIG_TASKSTATS is not set +# CONFIG_UTS_NS is not set # CONFIG_AUDIT is not set -CONFIG_HOTPLUG=y -CONFIG_KOBJECT_UEVENT=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y # CONFIG_CPUSETS is not set +CONFIG_SYSFS_DEPRECATED=y +# CONFIG_RELAY is not set +CONFIG_INITRAMFS_SOURCE="" +# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set +CONFIG_SYSCTL=y CONFIG_EMBEDDED=y +CONFIG_SYSCTL_SYSCALL=y # CONFIG_KALLSYMS is not set +CONFIG_HOTPLUG=y CONFIG_PRINTK=y CONFIG_BUG=y +CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y # CONFIG_FUTEX is not set # CONFIG_EPOLL is not set -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_SHMEM=y -CONFIG_CC_ALIGN_FUNCTIONS=0 -CONFIG_CC_ALIGN_LABELS=0 -CONFIG_CC_ALIGN_LOOPS=0 -CONFIG_CC_ALIGN_JUMPS=0 +CONFIG_SLAB=y +CONFIG_VM_EVENT_COUNTERS=y # CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 +# CONFIG_SLOB is not set # # Loadable module support @@ -56,13 +60,31 @@ CONFIG_BASE_SMALL=0 CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y # CONFIG_MODULE_FORCE_UNLOAD is not set -CONFIG_OBSOLETE_MODPARM=y # CONFIG_MODVERSIONS is not set # CONFIG_MODULE_SRCVERSION_ALL is not set CONFIG_KMOD=y CONFIG_STOP_MACHINE=y # +# Block layer +# +CONFIG_BLOCK=y +# CONFIG_BLK_DEV_IO_TRACE is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +# CONFIG_IOSCHED_AS is not set +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +# CONFIG_DEFAULT_AS is not set +# CONFIG_DEFAULT_DEADLINE is not set +CONFIG_DEFAULT_CFQ=y +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="cfq" + +# # Processor type and features # # CONFIG_PLAT_MAPPI is not set @@ -72,8 +94,10 @@ CONFIG_STOP_MACHINE=y # CONFIG_PLAT_OAKS32R is not set # CONFIG_PLAT_MAPPI2 is not set CONFIG_PLAT_MAPPI3=y +# CONFIG_PLAT_M32104UT is not set CONFIG_CHIP_M32700=y # CONFIG_CHIP_M32102 is not set +# CONFIG_CHIP_M32104 is not set # CONFIG_CHIP_VDEC2 is not set # CONFIG_CHIP_OPSP is not set CONFIG_MMU=y @@ -87,23 +111,33 @@ CONFIG_TIMER_DIVIDE=128 CONFIG_MEMORY_START=0x08000000 CONFIG_MEMORY_SIZE=0x08000000 CONFIG_NOHIGHMEM=y +CONFIG_ARCH_DISCONTIGMEM_ENABLE=y +CONFIG_SELECT_MEMORY_MODEL=y +# CONFIG_FLATMEM_MANUAL is not set +CONFIG_DISCONTIGMEM_MANUAL=y +# CONFIG_SPARSEMEM_MANUAL is not set CONFIG_DISCONTIGMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +CONFIG_NEED_MULTIPLE_NODES=y +# CONFIG_SPARSEMEM_STATIC is not set +CONFIG_SPLIT_PTLOCK_CPUS=4 +# CONFIG_RESOURCES_64BIT is not set CONFIG_IRAM_START=0x00f00000 CONFIG_IRAM_SIZE=0x00080000 CONFIG_RWSEM_GENERIC_SPINLOCK=y # CONFIG_RWSEM_XCHGADD_ALGORITHM is not set +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_PREEMPT=y -# CONFIG_HAVE_DEC_LOCK is not set CONFIG_SMP=y # CONFIG_CHIP_M32700_TS1 is not set CONFIG_NR_CPUS=2 -# CONFIG_NUMA is not set +CONFIG_NODES_SHIFT=1 # # Bus options (PCI, PCMCIA, EISA, MCA, ISA) # -# CONFIG_PCI is not set # CONFIG_ISA is not set # @@ -112,11 +146,12 @@ CONFIG_NR_CPUS=2 CONFIG_PCCARD=y # CONFIG_PCMCIA_DEBUG is not set CONFIG_PCMCIA=y +CONFIG_PCMCIA_LOAD_CIS=y +CONFIG_PCMCIA_IOCTL=y # # PC-card bridges # -# CONFIG_TCIC is not set # CONFIG_M32R_PCC is not set # CONFIG_M32R_CFC is not set @@ -131,6 +166,93 @@ CONFIG_BINFMT_ELF=y # CONFIG_BINFMT_MISC is not set # +# Networking +# +CONFIG_NET=y + +# +# Networking options +# +# CONFIG_NETDEBUG is not set +# CONFIG_PACKET is not set +CONFIG_UNIX=y +CONFIG_XFRM=y +# CONFIG_XFRM_USER is not set +# CONFIG_XFRM_SUB_POLICY is not set +# CONFIG_NET_KEY is not set +CONFIG_INET=y +# CONFIG_IP_MULTICAST is not set +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +# CONFIG_IP_PNP_BOOTP is not set +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_ARPD is not set +# CONFIG_SYN_COOKIES is not set +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +# CONFIG_INET_TUNNEL is not set +CONFIG_INET_XFRM_MODE_TRANSPORT=y +CONFIG_INET_XFRM_MODE_TUNNEL=y +CONFIG_INET_XFRM_MODE_BEET=y +CONFIG_INET_DIAG=y +CONFIG_INET_TCP_DIAG=y +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set +# CONFIG_IPV6 is not set +# CONFIG_INET6_XFRM_TUNNEL is not set +# CONFIG_INET6_TUNNEL is not set +# CONFIG_NETWORK_SECMARK is not set +# CONFIG_NETFILTER is not set + +# +# DCCP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_DCCP is not set + +# +# SCTP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_SCTP is not set + +# +# TIPC Configuration (EXPERIMENTAL) +# +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set + +# +# QoS and/or fair queueing +# +# CONFIG_NET_SCHED is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_HAMRADIO is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_IEEE80211 is not set + +# # Device Drivers # @@ -140,6 +262,12 @@ CONFIG_BINFMT_ELF=y CONFIG_STANDALONE=y CONFIG_PREVENT_FIRMWARE_BUILD=y CONFIG_FW_LOADER=y +# CONFIG_SYS_HYPERVISOR is not set + +# +# Connector - unified userspace <-> kernelspace linker +# +# CONFIG_CONNECTOR is not set # # Memory Technology Devices (MTD) @@ -162,6 +290,8 @@ CONFIG_MTD_BLOCK=y # CONFIG_FTL is not set # CONFIG_NFTL is not set # CONFIG_INFTL is not set +# CONFIG_RFD_FTL is not set +# CONFIG_SSFDC is not set # # RAM/ROM/Flash chip drivers @@ -187,6 +317,7 @@ CONFIG_MTD_CFI_I2=y # Mapping drivers for chip access # # CONFIG_MTD_COMPLEX_MAPPINGS is not set +# CONFIG_MTD_PLATRAM is not set # # Self-contained MTD device drivers @@ -194,7 +325,6 @@ CONFIG_MTD_CFI_I2=y # CONFIG_MTD_SLRAM is not set # CONFIG_MTD_PHRAM is not set # CONFIG_MTD_MTDRAM is not set -# CONFIG_MTD_BLKMTD is not set # CONFIG_MTD_BLOCK2MTD is not set # @@ -210,6 +340,11 @@ CONFIG_MTD_CFI_I2=y # CONFIG_MTD_NAND is not set # +# OneNAND Flash Device Drivers +# +# CONFIG_MTD_ONENAND is not set + +# # Parallel port support # # CONFIG_PARPORT is not set @@ -221,7 +356,6 @@ CONFIG_MTD_CFI_I2=y # # Block devices # -# CONFIG_BLK_DEV_FD is not set # CONFIG_BLK_DEV_COW_COMMON is not set CONFIG_BLK_DEV_LOOP=y # CONFIG_BLK_DEV_CRYPTOLOOP is not set @@ -229,23 +363,21 @@ CONFIG_BLK_DEV_NBD=m CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_COUNT=16 CONFIG_BLK_DEV_RAM_SIZE=4096 +CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 CONFIG_BLK_DEV_INITRD=y -CONFIG_INITRAMFS_SOURCE="" # CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set # -# IO Schedulers +# Misc devices # -CONFIG_IOSCHED_NOOP=y -# CONFIG_IOSCHED_AS is not set -CONFIG_IOSCHED_DEADLINE=y -CONFIG_IOSCHED_CFQ=y -# CONFIG_ATA_OVER_ETH is not set +# CONFIG_TIFM_CORE is not set # # ATA/ATAPI/MFM/RLL support # CONFIG_IDE=y +CONFIG_IDE_MAX_HWIFS=4 CONFIG_BLK_DEV_IDE=y # @@ -254,7 +386,7 @@ CONFIG_BLK_DEV_IDE=y # CONFIG_BLK_DEV_IDE_SATA is not set CONFIG_BLK_DEV_IDEDISK=y # CONFIG_IDEDISK_MULTI_MODE is not set -CONFIG_BLK_DEV_IDECS=y +CONFIG_BLK_DEV_IDECS=m CONFIG_BLK_DEV_IDECD=m # CONFIG_BLK_DEV_IDETAPE is not set # CONFIG_BLK_DEV_IDEFLOPPY is not set @@ -272,7 +404,13 @@ CONFIG_IDE_GENERIC=y # # SCSI device support # +# CONFIG_RAID_ATTRS is not set # CONFIG_SCSI is not set +# CONFIG_SCSI_NETLINK is not set + +# +# Serial ATA (prod) and Parallel ATA (experimental) drivers +# # # Multi-device support (RAID and LVM) @@ -282,79 +420,19 @@ CONFIG_IDE_GENERIC=y # # Fusion MPT device support # +# CONFIG_FUSION is not set # # IEEE 1394 (FireWire) support # -# CONFIG_IEEE1394 is not set # # I2O device support # # -# Networking support +# Network device support # -CONFIG_NET=y - -# -# Networking options -# -# CONFIG_PACKET is not set -CONFIG_UNIX=y -# CONFIG_NET_KEY is not set -CONFIG_INET=y -# CONFIG_IP_MULTICAST is not set -# CONFIG_IP_ADVANCED_ROUTER is not set -CONFIG_IP_PNP=y -CONFIG_IP_PNP_DHCP=y -# CONFIG_IP_PNP_BOOTP is not set -# CONFIG_IP_PNP_RARP is not set -# CONFIG_NET_IPIP is not set -# CONFIG_NET_IPGRE is not set -# CONFIG_ARPD is not set -# CONFIG_SYN_COOKIES is not set -# CONFIG_INET_AH is not set -# CONFIG_INET_ESP is not set -# CONFIG_INET_IPCOMP is not set -# CONFIG_INET_TUNNEL is not set -CONFIG_IP_TCPDIAG=y -# CONFIG_IP_TCPDIAG_IPV6 is not set -# CONFIG_IPV6 is not set -# CONFIG_NETFILTER is not set - -# -# SCTP Configuration (EXPERIMENTAL) -# -# CONFIG_IP_SCTP is not set -# CONFIG_ATM is not set -# CONFIG_BRIDGE is not set -# CONFIG_VLAN_8021Q is not set -# CONFIG_DECNET is not set -# CONFIG_LLC2 is not set -# CONFIG_IPX is not set -# CONFIG_ATALK is not set -# CONFIG_X25 is not set -# CONFIG_LAPB is not set -# CONFIG_NET_DIVERT is not set -# CONFIG_ECONET is not set -# CONFIG_WAN_ROUTER is not set - -# -# QoS and/or fair queueing -# -# CONFIG_NET_SCHED is not set -# CONFIG_NET_CLS_ROUTE is not set - -# -# Network testing -# -# CONFIG_NET_PKTGEN is not set -# CONFIG_NETPOLL is not set -# CONFIG_NET_POLL_CONTROLLER is not set -# CONFIG_HAMRADIO is not set -# CONFIG_IRDA is not set -# CONFIG_BT is not set CONFIG_NETDEVICES=y # CONFIG_DUMMY is not set # CONFIG_BONDING is not set @@ -362,6 +440,11 @@ CONFIG_NETDEVICES=y # CONFIG_TUN is not set # +# PHY device support +# +# CONFIG_PHYLIB is not set + +# # Ethernet (10 or 100Mbit) # CONFIG_NET_ETHERNET=y @@ -399,6 +482,8 @@ CONFIG_SMC91X=y # CONFIG_SLIP is not set # CONFIG_SHAPER is not set # CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set # # ISDN subsystem @@ -414,6 +499,7 @@ CONFIG_SMC91X=y # Input device support # CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set # # Userland interfaces @@ -445,7 +531,6 @@ CONFIG_SERIO=y # CONFIG_SERIO_LIBPS2 is not set # CONFIG_SERIO_RAW is not set # CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y # # Character devices @@ -465,7 +550,6 @@ CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y CONFIG_SERIAL_M32R_SIO=y CONFIG_SERIAL_M32R_SIO_CONSOLE=y -# CONFIG_SERIAL_M32R_PLDSIO is not set CONFIG_UNIX98_PTYS=y CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=256 @@ -479,25 +563,27 @@ CONFIG_LEGACY_PTY_COUNT=256 # Watchdog Cards # # CONFIG_WATCHDOG is not set +CONFIG_HW_RANDOM=y # CONFIG_RTC is not set -# CONFIG_GEN_RTC is not set # CONFIG_DTLK is not set # CONFIG_R3964 is not set # # Ftape, the floppy tape device driver # -# CONFIG_DRM is not set # # PCMCIA character devices # # CONFIG_SYNCLINK_CS is not set +# CONFIG_CARDMAN_4000 is not set +# CONFIG_CARDMAN_4040 is not set # CONFIG_RAW_DRIVER is not set # # TPM devices # +# CONFIG_TCG_TPM is not set # # I2C support @@ -505,13 +591,25 @@ CONFIG_LEGACY_PTY_COUNT=256 # CONFIG_I2C is not set # +# SPI support +# +# CONFIG_SPI is not set +# CONFIG_SPI_MASTER is not set + +# # Dallas's 1-wire bus # # CONFIG_W1 is not set # -# Misc devices +# Hardware Monitoring support # +CONFIG_HWMON=y +# CONFIG_HWMON_VID is not set +# CONFIG_SENSORS_ABITUGURU is not set +# CONFIG_SENSORS_F71805F is not set +# CONFIG_SENSORS_VT1211 is not set +# CONFIG_HWMON_DEBUG_CHIP is not set # # Multimedia devices @@ -526,7 +624,9 @@ CONFIG_LEGACY_PTY_COUNT=256 # # Graphics support # +CONFIG_FIRMWARE_EDID=y # CONFIG_FB is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set # # Sound @@ -538,6 +638,11 @@ CONFIG_LEGACY_PTY_COUNT=256 # # CONFIG_USB_ARCH_HAS_HCD is not set # CONFIG_USB_ARCH_HAS_OHCI is not set +# CONFIG_USB_ARCH_HAS_EHCI is not set + +# +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# # # USB Gadget Support @@ -550,35 +655,73 @@ CONFIG_LEGACY_PTY_COUNT=256 # CONFIG_MMC is not set # +# LED devices +# +# CONFIG_NEW_LEDS is not set + +# +# LED drivers +# + +# +# LED Triggers +# + +# # InfiniBand support # -# CONFIG_INFINIBAND is not set + +# +# EDAC - error detection and reporting (RAS) (EXPERIMENTAL) +# + +# +# Real Time Clock +# +# CONFIG_RTC_CLASS is not set + +# +# DMA Engine support +# +# CONFIG_DMA_ENGINE is not set + +# +# DMA Clients +# + +# +# DMA Devices +# # # File systems # CONFIG_EXT2_FS=y # CONFIG_EXT2_FS_XATTR is not set +# CONFIG_EXT2_FS_XIP is not set CONFIG_EXT3_FS=y CONFIG_EXT3_FS_XATTR=y # CONFIG_EXT3_FS_POSIX_ACL is not set # CONFIG_EXT3_FS_SECURITY is not set +# CONFIG_EXT4DEV_FS is not set CONFIG_JBD=y # CONFIG_JBD_DEBUG is not set CONFIG_FS_MBCACHE=y # CONFIG_REISERFS_FS is not set # CONFIG_JFS_FS is not set - -# -# XFS support -# +# CONFIG_FS_POSIX_ACL is not set # CONFIG_XFS_FS is not set +# CONFIG_GFS2_FS is not set +# CONFIG_OCFS2_FS is not set # CONFIG_MINIX_FS is not set CONFIG_ROMFS_FS=y +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y # CONFIG_QUOTA is not set CONFIG_DNOTIFY=y # CONFIG_AUTOFS_FS is not set # CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set # # CD-ROM/DVD Filesystems @@ -603,16 +746,13 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" # CONFIG_PROC_FS=y CONFIG_PROC_KCORE=y +CONFIG_PROC_SYSCTL=y CONFIG_SYSFS=y -CONFIG_DEVFS_FS=y -CONFIG_DEVFS_MOUNT=y -# CONFIG_DEVFS_DEBUG is not set -# CONFIG_DEVPTS_FS_XATTR is not set CONFIG_TMPFS=y -# CONFIG_TMPFS_XATTR is not set -# CONFIG_HUGETLBFS is not set +# CONFIG_TMPFS_POSIX_ACL is not set # CONFIG_HUGETLB_PAGE is not set CONFIG_RAMFS=y +# CONFIG_CONFIGFS_FS is not set # # Miscellaneous filesystems @@ -629,8 +769,9 @@ CONFIG_JFFS_FS_VERBOSE=0 CONFIG_JFFS_PROC_FS=y CONFIG_JFFS2_FS=y CONFIG_JFFS2_FS_DEBUG=0 -# CONFIG_JFFS2_FS_NAND is not set -# CONFIG_JFFS2_FS_NOR_ECC is not set +CONFIG_JFFS2_FS_WRITEBUFFER=y +# CONFIG_JFFS2_SUMMARY is not set +# CONFIG_JFFS2_FS_XATTR is not set # CONFIG_JFFS2_COMPRESSION_OPTIONS is not set CONFIG_JFFS2_ZLIB=y CONFIG_JFFS2_RTIME=y @@ -647,12 +788,14 @@ CONFIG_JFFS2_RTIME=y # CONFIG_NFS_FS=y CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set # CONFIG_NFS_V4 is not set # CONFIG_NFS_DIRECTIO is not set # CONFIG_NFSD is not set CONFIG_ROOT_NFS=y CONFIG_LOCKD=y CONFIG_LOCKD_V4=y +CONFIG_NFS_COMMON=y CONFIG_SUNRPC=y # CONFIG_RPCSEC_GSS_KRB5 is not set # CONFIG_RPCSEC_GSS_SPKM3 is not set @@ -661,6 +804,7 @@ CONFIG_SUNRPC=y # CONFIG_NCP_FS is not set # CONFIG_CODA_FS is not set # CONFIG_AFS_FS is not set +# CONFIG_9P_FS is not set # # Partition Types @@ -721,10 +865,16 @@ CONFIG_NLS_DEFAULT="iso8859-1" # Kernel hacking # # CONFIG_PRINTK_TIME is not set +CONFIG_ENABLE_MUST_CHECK=y +# CONFIG_MAGIC_SYSRQ is not set +# CONFIG_UNUSED_SYMBOLS is not set # CONFIG_DEBUG_KERNEL is not set CONFIG_LOG_BUF_SHIFT=15 # CONFIG_DEBUG_BUGVERBOSE is not set +# CONFIG_DEBUG_FS is not set # CONFIG_FRAME_POINTER is not set +# CONFIG_UNWIND_INFO is not set +# CONFIG_HEADERS_CHECK is not set # # Security options @@ -738,13 +888,10 @@ CONFIG_LOG_BUF_SHIFT=15 # CONFIG_CRYPTO is not set # -# Hardware crypto devices -# - -# # Library routines # # CONFIG_CRC_CCITT is not set +# CONFIG_CRC16 is not set CONFIG_CRC32=y # CONFIG_LIBCRC32C is not set CONFIG_ZLIB_INFLATE=y diff --git a/arch/m32r/mm/fault-nommu.c b/arch/m32r/mm/fault-nommu.c index 03fc4c858e0..9880abac3f5 100644 --- a/arch/m32r/mm/fault-nommu.c +++ b/arch/m32r/mm/fault-nommu.c @@ -7,8 +7,6 @@ * Copyright (C) 1995 Linus Torvalds */ -/* $Id: fault-nommu.c,v 1.1 2004/03/30 06:40:59 sakugawa Exp $ */ - #include <linux/signal.h> #include <linux/sched.h> #include <linux/kernel.h> @@ -46,32 +44,6 @@ unsigned int tlb_entry_d_dat[NR_CPUS]; #define tlb_entry_d tlb_entry_d_dat[smp_processor_id()] #endif -/* - * Unlock any spinlocks which will prevent us from getting the - * message out - */ -void bust_spinlocks(int yes) -{ - int loglevel_save = console_loglevel; - - if (yes) { - oops_in_progress = 1; - return; - } -#ifdef CONFIG_VT - unblank_screen(); -#endif - oops_in_progress = 0; - /* - * OK, the message is on the console. Now we call printk() - * without oops_in_progress set so that printk will give klogd - * a poke. Hold onto your hats... - */ - console_loglevel = 15; /* NMI oopser may have shut the console up */ - printk(" "); - console_loglevel = loglevel_save; -} - void do_BUG(const char *file, int line) { bust_spinlocks(1); @@ -161,4 +133,3 @@ void local_flush_tlb_all(void) { BUG(); } - diff --git a/arch/m32r/mm/fault.c b/arch/m32r/mm/fault.c index 9b9feb0f161..037d58e82fb 100644 --- a/arch/m32r/mm/fault.c +++ b/arch/m32r/mm/fault.c @@ -49,32 +49,6 @@ unsigned int tlb_entry_d_dat[NR_CPUS]; extern void init_tlb(void); -/* - * Unlock any spinlocks which will prevent us from getting the - * message out - */ -void bust_spinlocks(int yes) -{ - int loglevel_save = console_loglevel; - - if (yes) { - oops_in_progress = 1; - return; - } -#ifdef CONFIG_VT - unblank_screen(); -#endif - oops_in_progress = 0; - /* - * OK, the message is on the console. Now we call printk() - * without oops_in_progress set so that printk will give klogd - * a poke. Hold onto your hats... - */ - console_loglevel = 15; /* NMI oopser may have shut the console up */ - printk(" "); - console_loglevel = loglevel_save; -} - /*======================================================================* * do_page_fault() *======================================================================* @@ -362,8 +336,10 @@ vmalloc_fault: if (!pte_present(*pte_k)) goto no_context; - addr = (address & PAGE_MASK) | (error_code & ACE_INSTRUCTION); + addr = (address & PAGE_MASK); + set_thread_fault_code(error_code); update_mmu_cache(NULL, addr, *pte_k); + set_thread_fault_code(0); return; } } @@ -377,7 +353,7 @@ vmalloc_fault: void update_mmu_cache(struct vm_area_struct *vma, unsigned long vaddr, pte_t pte) { - unsigned long *entry1, *entry2; + volatile unsigned long *entry1, *entry2; unsigned long pte_data, flags; unsigned int *entry_dat; int inst = get_thread_fault_code() & ACE_INSTRUCTION; @@ -391,30 +367,26 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long vaddr, vaddr = (vaddr & PAGE_MASK) | get_asid(); + pte_data = pte_val(pte); + #ifdef CONFIG_CHIP_OPSP entry1 = (unsigned long *)ITLB_BASE; - for(i = 0 ; i < NR_TLB_ENTRIES; i++) { - if(*entry1++ == vaddr) { - pte_data = pte_val(pte); - set_tlb_data(entry1, pte_data); - break; - } - entry1++; + for (i = 0; i < NR_TLB_ENTRIES; i++) { + if (*entry1++ == vaddr) { + set_tlb_data(entry1, pte_data); + break; + } + entry1++; } entry2 = (unsigned long *)DTLB_BASE; - for(i = 0 ; i < NR_TLB_ENTRIES ; i++) { - if(*entry2++ == vaddr) { - pte_data = pte_val(pte); - set_tlb_data(entry2, pte_data); - break; - } - entry2++; + for (i = 0; i < NR_TLB_ENTRIES; i++) { + if (*entry2++ == vaddr) { + set_tlb_data(entry2, pte_data); + break; + } + entry2++; } - local_irq_restore(flags); - return; #else - pte_data = pte_val(pte); - /* * Update TLB entries * entry1: ITLB entry address @@ -439,6 +411,7 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long vaddr, "i" (MSVA_offset), "i" (MTOP_offset), "i" (MIDXI_offset) : "r4", "memory" ); +#endif if ((!inst && entry2 >= DTLB_END) || (inst && entry1 >= ITLB_END)) goto notfound; @@ -482,7 +455,6 @@ notfound: set_tlb_data(entry1, pte_data); goto found; -#endif } /*======================================================================* diff --git a/arch/m32r/mm/mmu.S b/arch/m32r/mm/mmu.S index 9a4d40b3d6a..8bb74b10dca 100644 --- a/arch/m32r/mm/mmu.S +++ b/arch/m32r/mm/mmu.S @@ -4,8 +4,6 @@ * Copyright (C) 2001 by Hiroyuki Kondo */ -/* $Id: mmu.S,v 1.15 2004/03/16 02:56:27 takata Exp $ */ - #include <linux/linkage.h> #include <asm/assembler.h> #include <asm/smp.h> @@ -345,5 +343,4 @@ ENTRY(m32r_otlb_entrys) #endif /* CONFIG_MMU */ -.end - + .end diff --git a/arch/m32r/oaks32r/defconfig.nommu b/arch/m32r/oaks32r/defconfig.nommu index 3f9fe519acb..aaa00828e0d 100644 --- a/arch/m32r/oaks32r/defconfig.nommu +++ b/arch/m32r/oaks32r/defconfig.nommu @@ -1,19 +1,18 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.12-rc5 -# Fri Jun 3 16:22:04 2005 +# Linux kernel version: 2.6.19 +# Tue Dec 12 12:09:17 2006 # CONFIG_M32R=y -# CONFIG_UID16 is not set CONFIG_GENERIC_ISA_DMA=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" # # Code maturity level options # CONFIG_EXPERIMENTAL=y -CONFIG_CLEAN_COMPILE=y CONFIG_BROKEN_ON_SMP=y CONFIG_LOCK_KERNEL=y CONFIG_INIT_ENV_ARG_LIMIT=32 @@ -22,28 +21,35 @@ CONFIG_INIT_ENV_ARG_LIMIT=32 # General setup # CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y +# CONFIG_SYSVIPC is not set # CONFIG_POSIX_MQUEUE is not set CONFIG_BSD_PROCESS_ACCT=y # CONFIG_BSD_PROCESS_ACCT_V3 is not set -CONFIG_SYSCTL=y +# CONFIG_TASKSTATS is not set +# CONFIG_UTS_NS is not set # CONFIG_AUDIT is not set -CONFIG_HOTPLUG=y -CONFIG_KOBJECT_UEVENT=y # CONFIG_IKCONFIG is not set +CONFIG_SYSFS_DEPRECATED=y +# CONFIG_RELAY is not set +CONFIG_INITRAMFS_SOURCE="" +# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set +CONFIG_SYSCTL=y CONFIG_EMBEDDED=y +CONFIG_SYSCTL_SYSCALL=y # CONFIG_KALLSYMS is not set +CONFIG_HOTPLUG=y CONFIG_PRINTK=y CONFIG_BUG=y +CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y # CONFIG_FUTEX is not set # CONFIG_EPOLL is not set -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set -CONFIG_CC_ALIGN_FUNCTIONS=0 -CONFIG_CC_ALIGN_LABELS=0 -CONFIG_CC_ALIGN_LOOPS=0 -CONFIG_CC_ALIGN_JUMPS=0 +CONFIG_SLAB=y +CONFIG_VM_EVENT_COUNTERS=y CONFIG_TINY_SHMEM=y CONFIG_BASE_SMALL=0 +# CONFIG_SLOB is not set # # Loadable module support @@ -51,12 +57,30 @@ CONFIG_BASE_SMALL=0 CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y # CONFIG_MODULE_FORCE_UNLOAD is not set -CONFIG_OBSOLETE_MODPARM=y # CONFIG_MODVERSIONS is not set # CONFIG_MODULE_SRCVERSION_ALL is not set CONFIG_KMOD=y # +# Block layer +# +CONFIG_BLOCK=y +# CONFIG_BLK_DEV_IO_TRACE is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +# CONFIG_IOSCHED_AS is not set +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +# CONFIG_DEFAULT_AS is not set +# CONFIG_DEFAULT_DEADLINE is not set +CONFIG_DEFAULT_CFQ=y +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="cfq" + +# # Processor type and features # # CONFIG_PLAT_MAPPI is not set @@ -66,8 +90,10 @@ CONFIG_KMOD=y CONFIG_PLAT_OAKS32R=y # CONFIG_PLAT_MAPPI2 is not set # CONFIG_PLAT_MAPPI3 is not set +# CONFIG_PLAT_M32104UT is not set # CONFIG_CHIP_M32700 is not set CONFIG_CHIP_M32102=y +# CONFIG_CHIP_M32104 is not set # CONFIG_CHIP_VDEC2 is not set # CONFIG_CHIP_OPSP is not set CONFIG_ISA_M32R=y @@ -77,18 +103,31 @@ CONFIG_TIMER_DIVIDE=128 CONFIG_MEMORY_START=0x01000000 CONFIG_MEMORY_SIZE=0x00800000 CONFIG_NOHIGHMEM=y -# CONFIG_DISCONTIGMEM is not set +CONFIG_ARCH_DISCONTIGMEM_ENABLE=y +CONFIG_SELECT_MEMORY_MODEL=y +# CONFIG_FLATMEM_MANUAL is not set +CONFIG_DISCONTIGMEM_MANUAL=y +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_DISCONTIGMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +CONFIG_NEED_MULTIPLE_NODES=y +# CONFIG_SPARSEMEM_STATIC is not set +CONFIG_SPLIT_PTLOCK_CPUS=4 +# CONFIG_RESOURCES_64BIT is not set +CONFIG_IRAM_START=0x00f00000 +CONFIG_IRAM_SIZE=0x00010000 CONFIG_RWSEM_GENERIC_SPINLOCK=y # CONFIG_RWSEM_XCHGADD_ALGORITHM is not set +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_PREEMPT=y -# CONFIG_HAVE_DEC_LOCK is not set # CONFIG_SMP is not set +CONFIG_NODES_SHIFT=1 # # Bus options (PCI, PCMCIA, EISA, MCA, ISA) # -# CONFIG_PCI is not set # CONFIG_ISA is not set # @@ -109,6 +148,94 @@ CONFIG_BINFMT_FLAT=y # CONFIG_BINFMT_MISC is not set # +# Networking +# +CONFIG_NET=y + +# +# Networking options +# +# CONFIG_NETDEBUG is not set +CONFIG_PACKET=y +# CONFIG_PACKET_MMAP is not set +CONFIG_UNIX=y +CONFIG_XFRM=y +# CONFIG_XFRM_USER is not set +# CONFIG_XFRM_SUB_POLICY is not set +# CONFIG_NET_KEY is not set +CONFIG_INET=y +# CONFIG_IP_MULTICAST is not set +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +# CONFIG_IP_PNP_BOOTP is not set +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_ARPD is not set +# CONFIG_SYN_COOKIES is not set +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +# CONFIG_INET_TUNNEL is not set +CONFIG_INET_XFRM_MODE_TRANSPORT=y +CONFIG_INET_XFRM_MODE_TUNNEL=y +CONFIG_INET_XFRM_MODE_BEET=y +CONFIG_INET_DIAG=y +CONFIG_INET_TCP_DIAG=y +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set +# CONFIG_IPV6 is not set +# CONFIG_INET6_XFRM_TUNNEL is not set +# CONFIG_INET6_TUNNEL is not set +# CONFIG_NETWORK_SECMARK is not set +# CONFIG_NETFILTER is not set + +# +# DCCP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_DCCP is not set + +# +# SCTP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_SCTP is not set + +# +# TIPC Configuration (EXPERIMENTAL) +# +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set + +# +# QoS and/or fair queueing +# +# CONFIG_NET_SCHED is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_HAMRADIO is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_IEEE80211 is not set + +# # Device Drivers # @@ -118,6 +245,12 @@ CONFIG_BINFMT_FLAT=y CONFIG_STANDALONE=y CONFIG_PREVENT_FIRMWARE_BUILD=y # CONFIG_FW_LOADER is not set +# CONFIG_SYS_HYPERVISOR is not set + +# +# Connector - unified userspace <-> kernelspace linker +# +# CONFIG_CONNECTOR is not set # # Memory Technology Devices (MTD) @@ -136,7 +269,6 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # # Block devices # -# CONFIG_BLK_DEV_FD is not set # CONFIG_BLK_DEV_COW_COMMON is not set CONFIG_BLK_DEV_LOOP=y # CONFIG_BLK_DEV_CRYPTOLOOP is not set @@ -144,18 +276,15 @@ CONFIG_BLK_DEV_NBD=y CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_COUNT=16 CONFIG_BLK_DEV_RAM_SIZE=4096 +CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 # CONFIG_BLK_DEV_INITRD is not set -CONFIG_INITRAMFS_SOURCE="" # CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set # -# IO Schedulers +# Misc devices # -CONFIG_IOSCHED_NOOP=y -# CONFIG_IOSCHED_AS is not set -CONFIG_IOSCHED_DEADLINE=y -CONFIG_IOSCHED_CFQ=y -# CONFIG_ATA_OVER_ETH is not set +# CONFIG_TIFM_CORE is not set # # ATA/ATAPI/MFM/RLL support @@ -165,7 +294,13 @@ CONFIG_IOSCHED_CFQ=y # # SCSI device support # +# CONFIG_RAID_ATTRS is not set # CONFIG_SCSI is not set +# CONFIG_SCSI_NETLINK is not set + +# +# Serial ATA (prod) and Parallel ATA (experimental) drivers +# # # Multi-device support (RAID and LVM) @@ -175,6 +310,7 @@ CONFIG_IOSCHED_CFQ=y # # Fusion MPT device support # +# CONFIG_FUSION is not set # # IEEE 1394 (FireWire) support @@ -185,69 +321,8 @@ CONFIG_IOSCHED_CFQ=y # # -# Networking support -# -CONFIG_NET=y - -# -# Networking options -# -CONFIG_PACKET=y -# CONFIG_PACKET_MMAP is not set -CONFIG_UNIX=y -# CONFIG_NET_KEY is not set -CONFIG_INET=y -# CONFIG_IP_MULTICAST is not set -# CONFIG_IP_ADVANCED_ROUTER is not set -CONFIG_IP_PNP=y -CONFIG_IP_PNP_DHCP=y -# CONFIG_IP_PNP_BOOTP is not set -# CONFIG_IP_PNP_RARP is not set -# CONFIG_NET_IPIP is not set -# CONFIG_NET_IPGRE is not set -# CONFIG_ARPD is not set -# CONFIG_SYN_COOKIES is not set -# CONFIG_INET_AH is not set -# CONFIG_INET_ESP is not set -# CONFIG_INET_IPCOMP is not set -# CONFIG_INET_TUNNEL is not set -CONFIG_IP_TCPDIAG=y -# CONFIG_IP_TCPDIAG_IPV6 is not set -# CONFIG_IPV6 is not set -# CONFIG_NETFILTER is not set - -# -# SCTP Configuration (EXPERIMENTAL) -# -# CONFIG_IP_SCTP is not set -# CONFIG_ATM is not set -# CONFIG_BRIDGE is not set -# CONFIG_VLAN_8021Q is not set -# CONFIG_DECNET is not set -# CONFIG_LLC2 is not set -# CONFIG_IPX is not set -# CONFIG_ATALK is not set -# CONFIG_X25 is not set -# CONFIG_LAPB is not set -# CONFIG_NET_DIVERT is not set -# CONFIG_ECONET is not set -# CONFIG_WAN_ROUTER is not set - -# -# QoS and/or fair queueing -# -# CONFIG_NET_SCHED is not set -# CONFIG_NET_CLS_ROUTE is not set - -# -# Network testing +# Network device support # -# CONFIG_NET_PKTGEN is not set -# CONFIG_NETPOLL is not set -# CONFIG_NET_POLL_CONTROLLER is not set -# CONFIG_HAMRADIO is not set -# CONFIG_IRDA is not set -# CONFIG_BT is not set CONFIG_NETDEVICES=y # CONFIG_DUMMY is not set # CONFIG_BONDING is not set @@ -255,6 +330,10 @@ CONFIG_NETDEVICES=y # CONFIG_TUN is not set # +# PHY device support +# + +# # Ethernet (10 or 100Mbit) # # CONFIG_NET_ETHERNET is not set @@ -285,6 +364,8 @@ CONFIG_NE2000=y # CONFIG_SLIP is not set # CONFIG_SHAPER is not set # CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set # # ISDN subsystem @@ -300,6 +381,7 @@ CONFIG_NE2000=y # Input device support # CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set # # Userland interfaces @@ -328,7 +410,6 @@ CONFIG_SERIO_SERPORT=y # CONFIG_SERIO_LIBPS2 is not set # CONFIG_SERIO_RAW is not set # CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y # # Character devices @@ -348,7 +429,6 @@ CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y CONFIG_SERIAL_M32R_SIO=y CONFIG_SERIAL_M32R_SIO_CONSOLE=y -# CONFIG_SERIAL_M32R_PLDSIO is not set CONFIG_UNIX98_PTYS=y CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=256 @@ -362,20 +442,20 @@ CONFIG_LEGACY_PTY_COUNT=256 # Watchdog Cards # # CONFIG_WATCHDOG is not set +CONFIG_HW_RANDOM=y # CONFIG_RTC is not set -# CONFIG_GEN_RTC is not set # CONFIG_DTLK is not set # CONFIG_R3964 is not set # # Ftape, the floppy tape device driver # -# CONFIG_DRM is not set # CONFIG_RAW_DRIVER is not set # # TPM devices # +# CONFIG_TCG_TPM is not set # # I2C support @@ -383,13 +463,25 @@ CONFIG_LEGACY_PTY_COUNT=256 # CONFIG_I2C is not set # +# SPI support +# +# CONFIG_SPI is not set +# CONFIG_SPI_MASTER is not set + +# # Dallas's 1-wire bus # # CONFIG_W1 is not set # -# Misc devices +# Hardware Monitoring support # +CONFIG_HWMON=y +# CONFIG_HWMON_VID is not set +# CONFIG_SENSORS_ABITUGURU is not set +# CONFIG_SENSORS_F71805F is not set +# CONFIG_SENSORS_VT1211 is not set +# CONFIG_HWMON_DEBUG_CHIP is not set # # Multimedia devices @@ -404,7 +496,9 @@ CONFIG_LEGACY_PTY_COUNT=256 # # Graphics support # +CONFIG_FIRMWARE_EDID=y # CONFIG_FB is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set # # Sound @@ -416,6 +510,11 @@ CONFIG_LEGACY_PTY_COUNT=256 # # CONFIG_USB_ARCH_HAS_HCD is not set # CONFIG_USB_ARCH_HAS_OHCI is not set +# CONFIG_USB_ARCH_HAS_EHCI is not set + +# +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# # # USB Gadget Support @@ -428,9 +527,43 @@ CONFIG_LEGACY_PTY_COUNT=256 # CONFIG_MMC is not set # +# LED devices +# +# CONFIG_NEW_LEDS is not set + +# +# LED drivers +# + +# +# LED Triggers +# + +# # InfiniBand support # -# CONFIG_INFINIBAND is not set + +# +# EDAC - error detection and reporting (RAS) (EXPERIMENTAL) +# + +# +# Real Time Clock +# +# CONFIG_RTC_CLASS is not set + +# +# DMA Engine support +# +# CONFIG_DMA_ENGINE is not set + +# +# DMA Clients +# + +# +# DMA Devices +# # # File systems @@ -438,20 +571,22 @@ CONFIG_LEGACY_PTY_COUNT=256 CONFIG_EXT2_FS=y # CONFIG_EXT2_FS_XATTR is not set # CONFIG_EXT3_FS is not set -# CONFIG_JBD is not set +# CONFIG_EXT4DEV_FS is not set # CONFIG_REISERFS_FS is not set # CONFIG_JFS_FS is not set - -# -# XFS support -# +# CONFIG_FS_POSIX_ACL is not set # CONFIG_XFS_FS is not set +# CONFIG_GFS2_FS is not set +# CONFIG_OCFS2_FS is not set # CONFIG_MINIX_FS is not set # CONFIG_ROMFS_FS is not set +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y # CONFIG_QUOTA is not set CONFIG_DNOTIFY=y # CONFIG_AUTOFS_FS is not set # CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set # # CD-ROM/DVD Filesystems @@ -470,13 +605,12 @@ CONFIG_DNOTIFY=y # Pseudo filesystems # CONFIG_PROC_FS=y +CONFIG_PROC_SYSCTL=y CONFIG_SYSFS=y -# CONFIG_DEVFS_FS is not set -CONFIG_DEVPTS_FS_XATTR=y -CONFIG_DEVPTS_FS_SECURITY=y # CONFIG_TMPFS is not set # CONFIG_HUGETLB_PAGE is not set CONFIG_RAMFS=y +# CONFIG_CONFIGFS_FS is not set # # Miscellaneous filesystems @@ -500,12 +634,14 @@ CONFIG_RAMFS=y # CONFIG_NFS_FS=y CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set # CONFIG_NFS_V4 is not set # CONFIG_NFS_DIRECTIO is not set # CONFIG_NFSD is not set CONFIG_ROOT_NFS=y CONFIG_LOCKD=y CONFIG_LOCKD_V4=y +CONFIG_NFS_COMMON=y CONFIG_SUNRPC=y # CONFIG_RPCSEC_GSS_KRB5 is not set # CONFIG_RPCSEC_GSS_SPKM3 is not set @@ -514,6 +650,7 @@ CONFIG_SUNRPC=y # CONFIG_NCP_FS is not set # CONFIG_CODA_FS is not set # CONFIG_AFS_FS is not set +# CONFIG_9P_FS is not set # # Partition Types @@ -574,10 +711,16 @@ CONFIG_NLS_DEFAULT="iso8859-1" # Kernel hacking # # CONFIG_PRINTK_TIME is not set +CONFIG_ENABLE_MUST_CHECK=y +# CONFIG_MAGIC_SYSRQ is not set +# CONFIG_UNUSED_SYMBOLS is not set # CONFIG_DEBUG_KERNEL is not set CONFIG_LOG_BUF_SHIFT=14 # CONFIG_DEBUG_BUGVERBOSE is not set +# CONFIG_DEBUG_FS is not set # CONFIG_FRAME_POINTER is not set +# CONFIG_UNWIND_INFO is not set +# CONFIG_HEADERS_CHECK is not set # # Security options @@ -591,12 +734,9 @@ CONFIG_LOG_BUF_SHIFT=14 # CONFIG_CRYPTO is not set # -# Hardware crypto devices -# - -# # Library routines # # CONFIG_CRC_CCITT is not set +# CONFIG_CRC16 is not set CONFIG_CRC32=y # CONFIG_LIBCRC32C is not set diff --git a/arch/m32r/opsput/defconfig.opsput b/arch/m32r/opsput/defconfig.opsput index 66adec6a701..461f95e72d1 100644 --- a/arch/m32r/opsput/defconfig.opsput +++ b/arch/m32r/opsput/defconfig.opsput @@ -1,19 +1,18 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.12-rc5 -# Fri Jun 3 16:22:06 2005 +# Linux kernel version: 2.6.19 +# Wed Dec 13 18:34:36 2006 # CONFIG_M32R=y -# CONFIG_UID16 is not set CONFIG_GENERIC_ISA_DMA=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" # # Code maturity level options # CONFIG_EXPERIMENTAL=y -CONFIG_CLEAN_COMPILE=y CONFIG_BROKEN_ON_SMP=y CONFIG_INIT_ENV_ARG_LIMIT=32 @@ -21,32 +20,39 @@ CONFIG_INIT_ENV_ARG_LIMIT=32 # General setup # CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y CONFIG_SWAP=y CONFIG_SYSVIPC=y +# CONFIG_IPC_NS is not set # CONFIG_POSIX_MQUEUE is not set CONFIG_BSD_PROCESS_ACCT=y # CONFIG_BSD_PROCESS_ACCT_V3 is not set -CONFIG_SYSCTL=y +# CONFIG_TASKSTATS is not set +# CONFIG_UTS_NS is not set # CONFIG_AUDIT is not set -CONFIG_HOTPLUG=y -CONFIG_KOBJECT_UEVENT=y CONFIG_IKCONFIG=y # CONFIG_IKCONFIG_PROC is not set +CONFIG_SYSFS_DEPRECATED=y +# CONFIG_RELAY is not set +CONFIG_INITRAMFS_SOURCE="" +# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set +CONFIG_SYSCTL=y CONFIG_EMBEDDED=y +CONFIG_SYSCTL_SYSCALL=y # CONFIG_KALLSYMS is not set +CONFIG_HOTPLUG=y CONFIG_PRINTK=y CONFIG_BUG=y +CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y # CONFIG_FUTEX is not set # CONFIG_EPOLL is not set -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_SHMEM=y -CONFIG_CC_ALIGN_FUNCTIONS=0 -CONFIG_CC_ALIGN_LABELS=0 -CONFIG_CC_ALIGN_LOOPS=0 -CONFIG_CC_ALIGN_JUMPS=0 +CONFIG_SLAB=y +CONFIG_VM_EVENT_COUNTERS=y # CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 +# CONFIG_SLOB is not set # # Loadable module support @@ -54,12 +60,30 @@ CONFIG_BASE_SMALL=0 CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y # CONFIG_MODULE_FORCE_UNLOAD is not set -CONFIG_OBSOLETE_MODPARM=y # CONFIG_MODVERSIONS is not set # CONFIG_MODULE_SRCVERSION_ALL is not set CONFIG_KMOD=y # +# Block layer +# +CONFIG_BLOCK=y +# CONFIG_BLK_DEV_IO_TRACE is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +# CONFIG_IOSCHED_AS is not set +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +# CONFIG_DEFAULT_AS is not set +# CONFIG_DEFAULT_DEADLINE is not set +CONFIG_DEFAULT_CFQ=y +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="cfq" + +# # Processor type and features # # CONFIG_PLAT_MAPPI is not set @@ -69,8 +93,10 @@ CONFIG_PLAT_OPSPUT=y # CONFIG_PLAT_OAKS32R is not set # CONFIG_PLAT_MAPPI2 is not set # CONFIG_PLAT_MAPPI3 is not set +# CONFIG_PLAT_M32104UT is not set # CONFIG_CHIP_M32700 is not set # CONFIG_CHIP_M32102 is not set +# CONFIG_CHIP_M32104 is not set # CONFIG_CHIP_VDEC2 is not set CONFIG_CHIP_OPSP=y CONFIG_MMU=y @@ -84,17 +110,31 @@ CONFIG_TIMER_DIVIDE=128 CONFIG_MEMORY_START=0x08000000 CONFIG_MEMORY_SIZE=0x01000000 CONFIG_NOHIGHMEM=y -# CONFIG_DISCONTIGMEM is not set +CONFIG_ARCH_DISCONTIGMEM_ENABLE=y +CONFIG_SELECT_MEMORY_MODEL=y +# CONFIG_FLATMEM_MANUAL is not set +CONFIG_DISCONTIGMEM_MANUAL=y +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_DISCONTIGMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +CONFIG_NEED_MULTIPLE_NODES=y +# CONFIG_SPARSEMEM_STATIC is not set +CONFIG_SPLIT_PTLOCK_CPUS=4 +# CONFIG_RESOURCES_64BIT is not set +CONFIG_IRAM_START=0x00f00000 +CONFIG_IRAM_SIZE=0x00010000 CONFIG_RWSEM_GENERIC_SPINLOCK=y # CONFIG_RWSEM_XCHGADD_ALGORITHM is not set +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_CALIBRATE_DELAY=y # CONFIG_PREEMPT is not set # CONFIG_SMP is not set +CONFIG_NODES_SHIFT=1 # # Bus options (PCI, PCMCIA, EISA, MCA, ISA) # -# CONFIG_PCI is not set # CONFIG_ISA is not set # @@ -103,13 +143,15 @@ CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_PCCARD=y # CONFIG_PCMCIA_DEBUG is not set CONFIG_PCMCIA=y +CONFIG_PCMCIA_LOAD_CIS=y +CONFIG_PCMCIA_IOCTL=y # # PC-card bridges # -# CONFIG_TCIC is not set CONFIG_M32R_CFC=y CONFIG_M32R_CFC_NUM=1 +CONFIG_PCCARD_NONSTATIC=y # # PCI Hotplug Support @@ -122,6 +164,94 @@ CONFIG_BINFMT_ELF=y # CONFIG_BINFMT_MISC is not set # +# Networking +# +CONFIG_NET=y + +# +# Networking options +# +# CONFIG_NETDEBUG is not set +CONFIG_PACKET=y +# CONFIG_PACKET_MMAP is not set +CONFIG_UNIX=y +CONFIG_XFRM=y +# CONFIG_XFRM_USER is not set +# CONFIG_XFRM_SUB_POLICY is not set +# CONFIG_NET_KEY is not set +CONFIG_INET=y +# CONFIG_IP_MULTICAST is not set +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +# CONFIG_IP_PNP_BOOTP is not set +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_ARPD is not set +# CONFIG_SYN_COOKIES is not set +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +# CONFIG_INET_TUNNEL is not set +CONFIG_INET_XFRM_MODE_TRANSPORT=y +CONFIG_INET_XFRM_MODE_TUNNEL=y +CONFIG_INET_XFRM_MODE_BEET=y +CONFIG_INET_DIAG=y +CONFIG_INET_TCP_DIAG=y +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set +# CONFIG_IPV6 is not set +# CONFIG_INET6_XFRM_TUNNEL is not set +# CONFIG_INET6_TUNNEL is not set +# CONFIG_NETWORK_SECMARK is not set +# CONFIG_NETFILTER is not set + +# +# DCCP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_DCCP is not set + +# +# SCTP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_SCTP is not set + +# +# TIPC Configuration (EXPERIMENTAL) +# +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set + +# +# QoS and/or fair queueing +# +# CONFIG_NET_SCHED is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_HAMRADIO is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_IEEE80211 is not set + +# # Device Drivers # @@ -130,8 +260,14 @@ CONFIG_BINFMT_ELF=y # CONFIG_STANDALONE=y CONFIG_PREVENT_FIRMWARE_BUILD=y -# CONFIG_FW_LOADER is not set +CONFIG_FW_LOADER=y # CONFIG_DEBUG_DRIVER is not set +# CONFIG_SYS_HYPERVISOR is not set + +# +# Connector - unified userspace <-> kernelspace linker +# +# CONFIG_CONNECTOR is not set # # Memory Technology Devices (MTD) @@ -150,7 +286,6 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # # Block devices # -# CONFIG_BLK_DEV_FD is not set # CONFIG_BLK_DEV_COW_COMMON is not set CONFIG_BLK_DEV_LOOP=y # CONFIG_BLK_DEV_CRYPTOLOOP is not set @@ -158,18 +293,15 @@ CONFIG_BLK_DEV_LOOP=y CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_COUNT=16 CONFIG_BLK_DEV_RAM_SIZE=4096 +CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 # CONFIG_BLK_DEV_INITRD is not set -CONFIG_INITRAMFS_SOURCE="" # CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set # -# IO Schedulers +# Misc devices # -CONFIG_IOSCHED_NOOP=y -# CONFIG_IOSCHED_AS is not set -CONFIG_IOSCHED_DEADLINE=y -CONFIG_IOSCHED_CFQ=y -# CONFIG_ATA_OVER_ETH is not set +# CONFIG_TIFM_CORE is not set # # ATA/ATAPI/MFM/RLL support @@ -179,7 +311,9 @@ CONFIG_IOSCHED_CFQ=y # # SCSI device support # +# CONFIG_RAID_ATTRS is not set CONFIG_SCSI=m +# CONFIG_SCSI_NETLINK is not set CONFIG_SCSI_PROC_FS=y # @@ -191,6 +325,7 @@ CONFIG_BLK_DEV_SD=m CONFIG_BLK_DEV_SR=m # CONFIG_BLK_DEV_SR_VENDOR is not set CONFIG_CHR_DEV_SG=m +# CONFIG_CHR_DEV_SCH is not set # # Some SCSI devices (e.g. CD jukebox) support multiple LUNs @@ -200,16 +335,18 @@ CONFIG_SCSI_MULTI_LUN=y # CONFIG_SCSI_LOGGING is not set # -# SCSI Transport Attributes +# SCSI Transports # # CONFIG_SCSI_SPI_ATTRS is not set # CONFIG_SCSI_FC_ATTRS is not set # CONFIG_SCSI_ISCSI_ATTRS is not set +# CONFIG_SCSI_SAS_ATTRS is not set +# CONFIG_SCSI_SAS_LIBSAS is not set # # SCSI low-level drivers # -# CONFIG_SCSI_SATA is not set +# CONFIG_ISCSI_TCP is not set # CONFIG_SCSI_DEBUG is not set # @@ -222,6 +359,10 @@ CONFIG_SCSI_MULTI_LUN=y # CONFIG_PCMCIA_SYM53C500 is not set # +# Serial ATA (prod) and Parallel ATA (experimental) drivers +# + +# # Multi-device support (RAID and LVM) # # CONFIG_MD is not set @@ -229,6 +370,7 @@ CONFIG_SCSI_MULTI_LUN=y # # Fusion MPT device support # +# CONFIG_FUSION is not set # # IEEE 1394 (FireWire) support @@ -239,69 +381,8 @@ CONFIG_SCSI_MULTI_LUN=y # # -# Networking support -# -CONFIG_NET=y - -# -# Networking options -# -CONFIG_PACKET=y -# CONFIG_PACKET_MMAP is not set -CONFIG_UNIX=y -# CONFIG_NET_KEY is not set -CONFIG_INET=y -# CONFIG_IP_MULTICAST is not set -# CONFIG_IP_ADVANCED_ROUTER is not set -CONFIG_IP_PNP=y -CONFIG_IP_PNP_DHCP=y -# CONFIG_IP_PNP_BOOTP is not set -# CONFIG_IP_PNP_RARP is not set -# CONFIG_NET_IPIP is not set -# CONFIG_NET_IPGRE is not set -# CONFIG_ARPD is not set -# CONFIG_SYN_COOKIES is not set -# CONFIG_INET_AH is not set -# CONFIG_INET_ESP is not set -# CONFIG_INET_IPCOMP is not set -# CONFIG_INET_TUNNEL is not set -CONFIG_IP_TCPDIAG=y -# CONFIG_IP_TCPDIAG_IPV6 is not set -# CONFIG_IPV6 is not set -# CONFIG_NETFILTER is not set - -# -# SCTP Configuration (EXPERIMENTAL) +# Network device support # -# CONFIG_IP_SCTP is not set -# CONFIG_ATM is not set -# CONFIG_BRIDGE is not set -# CONFIG_VLAN_8021Q is not set -# CONFIG_DECNET is not set -# CONFIG_LLC2 is not set -# CONFIG_IPX is not set -# CONFIG_ATALK is not set -# CONFIG_X25 is not set -# CONFIG_LAPB is not set -# CONFIG_NET_DIVERT is not set -# CONFIG_ECONET is not set -# CONFIG_WAN_ROUTER is not set - -# -# QoS and/or fair queueing -# -# CONFIG_NET_SCHED is not set -# CONFIG_NET_CLS_ROUTE is not set - -# -# Network testing -# -# CONFIG_NET_PKTGEN is not set -# CONFIG_NETPOLL is not set -# CONFIG_NET_POLL_CONTROLLER is not set -# CONFIG_HAMRADIO is not set -# CONFIG_IRDA is not set -# CONFIG_BT is not set CONFIG_NETDEVICES=y # CONFIG_DUMMY is not set # CONFIG_BONDING is not set @@ -309,6 +390,11 @@ CONFIG_NETDEVICES=y # CONFIG_TUN is not set # +# PHY device support +# +# CONFIG_PHYLIB is not set + +# # Ethernet (10 or 100Mbit) # CONFIG_NET_ETHERNET=y @@ -346,6 +432,8 @@ CONFIG_SMC91X=y # CONFIG_SLIP is not set # CONFIG_SHAPER is not set # CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set # # ISDN subsystem @@ -361,6 +449,7 @@ CONFIG_SMC91X=y # Input device support # CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set # # Userland interfaces @@ -389,7 +478,6 @@ CONFIG_SERIO_SERPORT=y # CONFIG_SERIO_LIBPS2 is not set # CONFIG_SERIO_RAW is not set # CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y # # Character devices @@ -423,8 +511,8 @@ CONFIG_LEGACY_PTY_COUNT=256 # Watchdog Cards # # CONFIG_WATCHDOG is not set +CONFIG_HW_RANDOM=y # CONFIG_RTC is not set -# CONFIG_GEN_RTC is not set CONFIG_DS1302=y # CONFIG_DTLK is not set # CONFIG_R3964 is not set @@ -432,17 +520,19 @@ CONFIG_DS1302=y # # Ftape, the floppy tape device driver # -# CONFIG_DRM is not set # # PCMCIA character devices # # CONFIG_SYNCLINK_CS is not set +# CONFIG_CARDMAN_4000 is not set +# CONFIG_CARDMAN_4040 is not set # CONFIG_RAW_DRIVER is not set # # TPM devices # +# CONFIG_TCG_TPM is not set # # I2C support @@ -450,13 +540,25 @@ CONFIG_DS1302=y # CONFIG_I2C is not set # +# SPI support +# +# CONFIG_SPI is not set +# CONFIG_SPI_MASTER is not set + +# # Dallas's 1-wire bus # # CONFIG_W1 is not set # -# Misc devices +# Hardware Monitoring support # +CONFIG_HWMON=y +# CONFIG_HWMON_VID is not set +# CONFIG_SENSORS_ABITUGURU is not set +# CONFIG_SENSORS_F71805F is not set +# CONFIG_SENSORS_VT1211 is not set +# CONFIG_HWMON_DEBUG_CHIP is not set # # Multimedia devices @@ -471,7 +573,9 @@ CONFIG_DS1302=y # # Graphics support # +CONFIG_FIRMWARE_EDID=y # CONFIG_FB is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set # # Sound @@ -483,6 +587,11 @@ CONFIG_DS1302=y # # CONFIG_USB_ARCH_HAS_HCD is not set # CONFIG_USB_ARCH_HAS_OHCI is not set +# CONFIG_USB_ARCH_HAS_EHCI is not set + +# +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# # # USB Gadget Support @@ -495,38 +604,73 @@ CONFIG_DS1302=y # CONFIG_MMC is not set # +# LED devices +# +# CONFIG_NEW_LEDS is not set + +# +# LED drivers +# + +# +# LED Triggers +# + +# # InfiniBand support # -# CONFIG_INFINIBAND is not set + +# +# EDAC - error detection and reporting (RAS) (EXPERIMENTAL) +# + +# +# Real Time Clock +# +# CONFIG_RTC_CLASS is not set + +# +# DMA Engine support +# +# CONFIG_DMA_ENGINE is not set + +# +# DMA Clients +# + +# +# DMA Devices +# # # File systems # CONFIG_EXT2_FS=y # CONFIG_EXT2_FS_XATTR is not set -CONFIG_EXT3_FS=m +# CONFIG_EXT2_FS_XIP is not set +CONFIG_EXT3_FS=y CONFIG_EXT3_FS_XATTR=y # CONFIG_EXT3_FS_POSIX_ACL is not set # CONFIG_EXT3_FS_SECURITY is not set -CONFIG_JBD=m +# CONFIG_EXT4DEV_FS is not set +CONFIG_JBD=y CONFIG_JBD_DEBUG=y CONFIG_FS_MBCACHE=y -CONFIG_REISERFS_FS=m -# CONFIG_REISERFS_CHECK is not set -# CONFIG_REISERFS_PROC_INFO is not set -# CONFIG_REISERFS_FS_XATTR is not set +# CONFIG_REISERFS_FS is not set # CONFIG_JFS_FS is not set - -# -# XFS support -# +# CONFIG_FS_POSIX_ACL is not set # CONFIG_XFS_FS is not set +# CONFIG_GFS2_FS is not set +# CONFIG_OCFS2_FS is not set # CONFIG_MINIX_FS is not set # CONFIG_ROMFS_FS is not set +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y # CONFIG_QUOTA is not set CONFIG_DNOTIFY=y # CONFIG_AUTOFS_FS is not set # CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set # # CD-ROM/DVD Filesystems @@ -552,15 +696,13 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" # CONFIG_PROC_FS=y CONFIG_PROC_KCORE=y +CONFIG_PROC_SYSCTL=y CONFIG_SYSFS=y -CONFIG_DEVFS_FS=y -CONFIG_DEVFS_MOUNT=y -# CONFIG_DEVFS_DEBUG is not set -# CONFIG_DEVPTS_FS_XATTR is not set CONFIG_TMPFS=y -# CONFIG_TMPFS_XATTR is not set +# CONFIG_TMPFS_POSIX_ACL is not set # CONFIG_HUGETLB_PAGE is not set CONFIG_RAMFS=y +# CONFIG_CONFIGFS_FS is not set # # Miscellaneous filesystems @@ -584,12 +726,14 @@ CONFIG_RAMFS=y # CONFIG_NFS_FS=y CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set # CONFIG_NFS_V4 is not set # CONFIG_NFS_DIRECTIO is not set # CONFIG_NFSD is not set CONFIG_ROOT_NFS=y CONFIG_LOCKD=y CONFIG_LOCKD_V4=y +CONFIG_NFS_COMMON=y CONFIG_SUNRPC=y # CONFIG_RPCSEC_GSS_KRB5 is not set # CONFIG_RPCSEC_GSS_SPKM3 is not set @@ -598,6 +742,7 @@ CONFIG_SUNRPC=y # CONFIG_NCP_FS is not set # CONFIG_CODA_FS is not set # CONFIG_AFS_FS is not set +# CONFIG_9P_FS is not set # # Partition Types @@ -658,21 +803,32 @@ CONFIG_NLS_DEFAULT="iso8859-1" # Kernel hacking # # CONFIG_PRINTK_TIME is not set -CONFIG_DEBUG_KERNEL=y +CONFIG_ENABLE_MUST_CHECK=y # CONFIG_MAGIC_SYSRQ is not set +# CONFIG_UNUSED_SYMBOLS is not set +CONFIG_DEBUG_KERNEL=y CONFIG_LOG_BUF_SHIFT=14 +CONFIG_DETECT_SOFTLOCKUP=y # CONFIG_SCHEDSTATS is not set # CONFIG_DEBUG_SLAB is not set # CONFIG_DEBUG_SPINLOCK is not set +# CONFIG_DEBUG_MUTEXES is not set +# CONFIG_DEBUG_RWSEMS is not set # CONFIG_DEBUG_SPINLOCK_SLEEP is not set +# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set # CONFIG_DEBUG_KOBJECT is not set # CONFIG_DEBUG_BUGVERBOSE is not set CONFIG_DEBUG_INFO=y # CONFIG_DEBUG_FS is not set +# CONFIG_DEBUG_VM is not set +# CONFIG_DEBUG_LIST is not set # CONFIG_FRAME_POINTER is not set +# CONFIG_UNWIND_INFO is not set +CONFIG_FORCED_INLINING=y +# CONFIG_HEADERS_CHECK is not set +# CONFIG_RCU_TORTURE_TEST is not set # CONFIG_DEBUG_STACKOVERFLOW is not set # CONFIG_DEBUG_STACK_USAGE is not set -# CONFIG_DEBUG_PAGEALLOC is not set # # Security options @@ -686,12 +842,9 @@ CONFIG_DEBUG_INFO=y # CONFIG_CRYPTO is not set # -# Hardware crypto devices -# - -# # Library routines # # CONFIG_CRC_CCITT is not set +# CONFIG_CRC16 is not set CONFIG_CRC32=y # CONFIG_LIBCRC32C is not set diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig index 70a577c89c7..a8e1e604dfa 100644 --- a/arch/m68k/Kconfig +++ b/arch/m68k/Kconfig @@ -42,6 +42,9 @@ config ARCH_MAY_HAVE_PC_FDC depends on Q40 || (BROKEN && SUN3X) default y +config NO_IOPORT + def_bool y + mainmenu "Linux/68k Kernel Configuration" source "init/Kconfig" @@ -439,6 +442,10 @@ config GENERIC_ISA_DMA depends on Q40 || AMIGA_PCMCIA || GG2 default y +config ZONE_DMA + bool + default y + source "drivers/pci/Kconfig" source "drivers/zorro/Kconfig" diff --git a/arch/m68k/bvme6000/rtc.c b/arch/m68k/bvme6000/rtc.c index 15c16b62dff..a812d03879f 100644 --- a/arch/m68k/bvme6000/rtc.c +++ b/arch/m68k/bvme6000/rtc.c @@ -159,7 +159,7 @@ static int rtc_release(struct inode *inode, struct file *file) * The various file operations we support. */ -static struct file_operations rtc_fops = { +static const struct file_operations rtc_fops = { .ioctl = rtc_ioctl, .open = rtc_open, .release = rtc_release, diff --git a/arch/m68k/kernel/Makefile b/arch/m68k/kernel/Makefile index 1c9ecaa473d..0b68ab8d63d 100644 --- a/arch/m68k/kernel/Makefile +++ b/arch/m68k/kernel/Makefile @@ -10,7 +10,9 @@ endif extra-y += vmlinux.lds obj-y := entry.o process.o traps.o ints.o signal.o ptrace.o \ - sys_m68k.o time.o semaphore.o setup.o m68k_ksyms.o + sys_m68k.o time.o semaphore.o setup.o m68k_ksyms.o devres.o + +devres-y = ../../../kernel/irq/devres.o obj-$(CONFIG_PCI) += bios32.o obj-$(CONFIG_MODULES) += module.o diff --git a/arch/m68k/kernel/ptrace.c b/arch/m68k/kernel/ptrace.c index ef89060ea32..7fd2720c384 100644 --- a/arch/m68k/kernel/ptrace.c +++ b/arch/m68k/kernel/ptrace.c @@ -76,7 +76,7 @@ static inline long get_reg(struct task_struct *task, int regno) if (regno == PT_USP) addr = &task->thread.usp; - else if (regno < sizeof(regoff)/sizeof(regoff[0])) + else if (regno < ARRAY_SIZE(regoff)) addr = (unsigned long *)(task->thread.esp0 + regoff[regno]); else return 0; @@ -93,7 +93,7 @@ static inline int put_reg(struct task_struct *task, int regno, if (regno == PT_USP) addr = &task->thread.usp; - else if (regno < sizeof(regoff)/sizeof(regoff[0])) + else if (regno < ARRAY_SIZE(regoff)) addr = (unsigned long *)(task->thread.esp0 + regoff[regno]); else return -1; diff --git a/arch/m68k/kernel/setup.c b/arch/m68k/kernel/setup.c index 9af3ee0e555..42b8fd09ea8 100644 --- a/arch/m68k/kernel/setup.c +++ b/arch/m68k/kernel/setup.c @@ -256,7 +256,7 @@ void __init setup_arch(char **cmdline_p) init_mm.brk = (unsigned long) &_end; *cmdline_p = m68k_command_line; - memcpy(saved_command_line, *cmdline_p, CL_SIZE); + memcpy(boot_command_line, *cmdline_p, CL_SIZE); /* Parse the command line for arch-specific options. * For the m68k, this is currently only "debug=xxx" to enable printing diff --git a/arch/m68k/kernel/time.c b/arch/m68k/kernel/time.c index 2a599c3ed78..4c065f9ceff 100644 --- a/arch/m68k/kernel/time.c +++ b/arch/m68k/kernel/time.c @@ -159,12 +159,3 @@ int do_settimeofday(struct timespec *tv) } EXPORT_SYMBOL(do_settimeofday); - -/* - * Scheduler clock - returns current time in ns units. - */ -unsigned long long sched_clock(void) -{ - return (unsigned long long)jiffies*(1000000000/HZ); -} - diff --git a/arch/m68k/kernel/traps.c b/arch/m68k/kernel/traps.c index 759fa244e6c..a27a4fa3329 100644 --- a/arch/m68k/kernel/traps.c +++ b/arch/m68k/kernel/traps.c @@ -1011,7 +1011,7 @@ EXPORT_SYMBOL(dump_stack); void bad_super_trap (struct frame *fp) { console_verbose(); - if (fp->ptregs.vector < 4*sizeof(vec_names)/sizeof(vec_names[0])) + if (fp->ptregs.vector < 4 * ARRAY_SIZE(vec_names)) printk ("*** %s *** FORMAT=%X\n", vec_names[(fp->ptregs.vector) >> 2], fp->ptregs.format); diff --git a/arch/m68k/kernel/vmlinux-std.lds b/arch/m68k/kernel/vmlinux-std.lds index d2794452b19..437b4f8d86c 100644 --- a/arch/m68k/kernel/vmlinux-std.lds +++ b/arch/m68k/kernel/vmlinux-std.lds @@ -61,10 +61,12 @@ SECTIONS .con_initcall.init : { *(.con_initcall.init) } __con_initcall_end = .; SECURITY_INIT +#ifdef CONFIG_BLK_DEV_INITRD . = ALIGN(8192); __initramfs_start = .; .init.ramfs : { *(.init.ramfs) } __initramfs_end = .; +#endif . = ALIGN(8192); __init_end = .; diff --git a/arch/m68k/kernel/vmlinux-sun3.lds b/arch/m68k/kernel/vmlinux-sun3.lds index 8c7eccbfc98..2868e206fc7 100644 --- a/arch/m68k/kernel/vmlinux-sun3.lds +++ b/arch/m68k/kernel/vmlinux-sun3.lds @@ -55,10 +55,12 @@ __init_begin = .; .con_initcall.init : { *(.con_initcall.init) } __con_initcall_end = .; SECURITY_INIT +#ifdef CONFIG_BLK_DEV_INITRD . = ALIGN(8192); __initramfs_start = .; .init.ramfs : { *(.init.ramfs) } __initramfs_end = .; +#endif . = ALIGN(8192); __init_end = .; .data.init.task : { *(.data.init_task) } diff --git a/arch/m68k/mvme16x/rtc.c b/arch/m68k/mvme16x/rtc.c index b0e4c084df8..272d47eac58 100644 --- a/arch/m68k/mvme16x/rtc.c +++ b/arch/m68k/mvme16x/rtc.c @@ -147,7 +147,7 @@ static int rtc_release(struct inode *inode, struct file *file) * The various file operations we support. */ -static struct file_operations rtc_fops = { +static const struct file_operations rtc_fops = { .ioctl = rtc_ioctl, .open = rtc_open, .release = rtc_release, diff --git a/arch/m68knommu/Kconfig b/arch/m68knommu/Kconfig index 25993c2a8fb..823f73736bb 100644 --- a/arch/m68knommu/Kconfig +++ b/arch/m68knommu/Kconfig @@ -17,6 +17,10 @@ config FPU bool default n +config ZONE_DMA + bool + default y + config RWSEM_GENERIC_SPINLOCK bool default y @@ -49,6 +53,9 @@ config TIME_LOW_RES bool default y +config NO_IOPORT + def_bool y + source "init/Kconfig" menu "Processor type and features" diff --git a/arch/m68knommu/kernel/ptrace.c b/arch/m68knommu/kernel/ptrace.c index 9130119537b..72d34962357 100644 --- a/arch/m68knommu/kernel/ptrace.c +++ b/arch/m68knommu/kernel/ptrace.c @@ -62,7 +62,7 @@ static inline long get_reg(struct task_struct *task, int regno) if (regno == PT_USP) addr = &task->thread.usp; - else if (regno < sizeof(regoff)/sizeof(regoff[0])) + else if (regno < ARRAY_SIZE(regoff)) addr = (unsigned long *)(task->thread.esp0 + regoff[regno]); else return 0; @@ -79,7 +79,7 @@ static inline int put_reg(struct task_struct *task, int regno, if (regno == PT_USP) addr = &task->thread.usp; - else if (regno < sizeof(regoff)/sizeof(regoff[0])) + else if (regno < ARRAY_SIZE(regoff)) addr = (unsigned long *) (task->thread.esp0 + regoff[regno]); else return -1; diff --git a/arch/m68knommu/kernel/setup.c b/arch/m68knommu/kernel/setup.c index 9cf2e4d1fc7..d5c25d27b64 100644 --- a/arch/m68knommu/kernel/setup.c +++ b/arch/m68knommu/kernel/setup.c @@ -44,7 +44,7 @@ unsigned long memory_end; EXPORT_SYMBOL(memory_start); EXPORT_SYMBOL(memory_end); -char command_line[COMMAND_LINE_SIZE]; +char __initdata command_line[COMMAND_LINE_SIZE]; /* setup some dummy routines */ static void dummy_waitbut(void) @@ -231,8 +231,8 @@ void setup_arch(char **cmdline_p) /* Keep a copy of command line */ *cmdline_p = &command_line[0]; - memcpy(saved_command_line, command_line, COMMAND_LINE_SIZE); - saved_command_line[COMMAND_LINE_SIZE-1] = 0; + memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE); + boot_command_line[COMMAND_LINE_SIZE-1] = 0; #ifdef DEBUG if (strlen(*cmdline_p)) diff --git a/arch/m68knommu/kernel/time.c b/arch/m68knommu/kernel/time.c index 9226264abf1..467053da2d0 100644 --- a/arch/m68knommu/kernel/time.c +++ b/arch/m68knommu/kernel/time.c @@ -23,6 +23,7 @@ #include <asm/machdep.h> #include <asm/io.h> +#include <asm/irq_regs.h> #define TICK_SIZE (tick_nsec / 1000) @@ -38,7 +39,7 @@ static inline int set_rtc_mmss(unsigned long nowtime) * timer_interrupt() needs to keep up the real-time clock, * as well as call the "do_timer()" routine every clocktick */ -static irqreturn_t timer_interrupt(int irq, void *dummy, struct pt_regs * regs) +static irqreturn_t timer_interrupt(int irq, void *dummy) { /* last time the cmos clock got updated */ static long last_rtc_update=0; @@ -51,7 +52,7 @@ static irqreturn_t timer_interrupt(int irq, void *dummy, struct pt_regs * regs) do_timer(1); #ifndef CONFIG_SMP - update_process_times(user_mode(regs)); + update_process_times(user_mode(get_irq_regs())); #endif if (current->pid) profile_tick(CPU_PROFILING); @@ -173,13 +174,4 @@ int do_settimeofday(struct timespec *tv) clock_was_set(); return 0; } - -/* - * Scheduler clock - returns current time in nanosec units. - */ -unsigned long long sched_clock(void) -{ - return (unsigned long long)jiffies * (1000000000 / HZ); -} - EXPORT_SYMBOL(do_settimeofday); diff --git a/arch/m68knommu/kernel/traps.c b/arch/m68knommu/kernel/traps.c index 9129b3a5258..bed5f47bf56 100644 --- a/arch/m68knommu/kernel/traps.c +++ b/arch/m68knommu/kernel/traps.c @@ -158,7 +158,7 @@ void show_stack(struct task_struct *task, unsigned long *stack) void bad_super_trap(struct frame *fp) { console_verbose(); - if (fp->ptregs.vector < 4*sizeof(vec_names)/sizeof(vec_names[0])) + if (fp->ptregs.vector < 4 * ARRAY_SIZE(vec_names)) printk (KERN_WARNING "*** %s *** FORMAT=%X\n", vec_names[(fp->ptregs.vector) >> 2], fp->ptregs.format); diff --git a/arch/m68knommu/kernel/vmlinux.lds.S b/arch/m68knommu/kernel/vmlinux.lds.S index 2b2a10da64a..c86a1bf589d 100644 --- a/arch/m68knommu/kernel/vmlinux.lds.S +++ b/arch/m68knommu/kernel/vmlinux.lds.S @@ -87,6 +87,16 @@ SECTIONS { *(__ksymtab_gpl) __stop___ksymtab_gpl = .; + /* Kernel symbol table: Normal unused symbols */ + __start___ksymtab_unused = .; + *(__ksymtab_unused) + __stop___ksymtab_unused = .; + + /* Kernel symbol table: GPL-only unused symbols */ + __start___ksymtab_unused_gpl = .; + *(__ksymtab_unused_gpl) + __stop___ksymtab_unused_gpl = .; + /* Kernel symbol table: GPL-future symbols */ __start___ksymtab_gpl_future = .; *(__ksymtab_gpl_future) @@ -149,10 +159,12 @@ SECTIONS { __security_initcall_start = .; *(.security_initcall.init) __security_initcall_end = .; +#ifdef CONFIG_BLK_DEV_INITRD . = ALIGN(4); __initramfs_start = .; *(.init.ramfs) __initramfs_end = .; +#endif . = ALIGN(4096); __init_end = .; } > INIT diff --git a/arch/m68knommu/platform/5206/config.c b/arch/m68knommu/platform/5206/config.c index 34657f85e70..3343830aad1 100644 --- a/arch/m68knommu/platform/5206/config.c +++ b/arch/m68knommu/platform/5206/config.c @@ -26,7 +26,7 @@ /***************************************************************************/ void coldfire_tick(void); -void coldfire_timer_init(irqreturn_t (*handler)(int, void *, struct pt_regs *)); +void coldfire_timer_init(irq_handler_t handler); unsigned long coldfire_timer_offset(void); void coldfire_trap_init(void); void coldfire_reset(void); diff --git a/arch/m68knommu/platform/5206e/config.c b/arch/m68knommu/platform/5206e/config.c index 48e4d626650..0f67320b403 100644 --- a/arch/m68knommu/platform/5206e/config.c +++ b/arch/m68knommu/platform/5206e/config.c @@ -25,7 +25,7 @@ /***************************************************************************/ void coldfire_tick(void); -void coldfire_timer_init(irqreturn_t (*handler)(int, void *, struct pt_regs *)); +void coldfire_timer_init(irq_handler_t handler); unsigned long coldfire_timer_offset(void); void coldfire_trap_init(void); void coldfire_reset(void); diff --git a/arch/m68knommu/platform/520x/config.c b/arch/m68knommu/platform/520x/config.c index 823f561f35b..58b2878deb6 100644 --- a/arch/m68knommu/platform/520x/config.c +++ b/arch/m68knommu/platform/520x/config.c @@ -13,6 +13,7 @@ #include <linux/kernel.h> #include <linux/param.h> +#include <linux/interrupt.h> #include <asm/machdep.h> #include <asm/dma.h> @@ -27,7 +28,7 @@ unsigned int dma_device_address[MAX_M68K_DMA_CHANNELS]; /***************************************************************************/ void coldfire_pit_tick(void); -void coldfire_pit_init(irqreturn_t (*handler)(int, void *, struct pt_regs *)); +void coldfire_pit_init(irq_handler_t handler); unsigned long coldfire_pit_offset(void); void coldfire_trap_init(void); void coldfire_reset(void); diff --git a/arch/m68knommu/platform/523x/config.c b/arch/m68knommu/platform/523x/config.c index 85de817e9ec..9b054e6caee 100644 --- a/arch/m68knommu/platform/523x/config.c +++ b/arch/m68knommu/platform/523x/config.c @@ -27,7 +27,7 @@ /***************************************************************************/ void coldfire_pit_tick(void); -void coldfire_pit_init(irqreturn_t (*handler)(int, void *, struct pt_regs *)); +void coldfire_pit_init(irq_handler_t handler); unsigned long coldfire_pit_offset(void); void coldfire_trap_init(void); void coldfire_reset(void); diff --git a/arch/m68knommu/platform/5249/config.c b/arch/m68knommu/platform/5249/config.c index 9d19d5bdb8a..d6706079d64 100644 --- a/arch/m68knommu/platform/5249/config.c +++ b/arch/m68knommu/platform/5249/config.c @@ -12,6 +12,7 @@ #include <linux/sched.h> #include <linux/param.h> #include <linux/init.h> +#include <linux/interrupt.h> #include <asm/irq.h> #include <asm/dma.h> #include <asm/traps.h> @@ -24,7 +25,7 @@ /***************************************************************************/ void coldfire_tick(void); -void coldfire_timer_init(irqreturn_t (*handler)(int, void *, struct pt_regs *)); +void coldfire_timer_init(irq_handler_t handler); unsigned long coldfire_timer_offset(void); void coldfire_trap_init(void); void coldfire_reset(void); diff --git a/arch/m68knommu/platform/5272/config.c b/arch/m68knommu/platform/5272/config.c index d500e27eda5..6b437cc9777 100644 --- a/arch/m68knommu/platform/5272/config.c +++ b/arch/m68knommu/platform/5272/config.c @@ -26,7 +26,7 @@ /***************************************************************************/ void coldfire_tick(void); -void coldfire_timer_init(irqreturn_t (*handler)(int, void *, struct pt_regs *)); +void coldfire_timer_init(irq_handler_t handler); unsigned long coldfire_timer_offset(void); void coldfire_trap_init(void); void coldfire_reset(void); diff --git a/arch/m68knommu/platform/527x/config.c b/arch/m68knommu/platform/527x/config.c index bbae5159745..28e7d964eef 100644 --- a/arch/m68knommu/platform/527x/config.c +++ b/arch/m68knommu/platform/527x/config.c @@ -27,7 +27,7 @@ /***************************************************************************/ void coldfire_pit_tick(void); -void coldfire_pit_init(irqreturn_t (*handler)(int, void *, struct pt_regs *)); +void coldfire_pit_init(irq_handler_t handler); unsigned long coldfire_pit_offset(void); void coldfire_trap_init(void); void coldfire_reset(void); diff --git a/arch/m68knommu/platform/528x/config.c b/arch/m68knommu/platform/528x/config.c index 18dad904614..805b4f74ff1 100644 --- a/arch/m68knommu/platform/528x/config.c +++ b/arch/m68knommu/platform/528x/config.c @@ -27,7 +27,7 @@ /***************************************************************************/ void coldfire_pit_tick(void); -void coldfire_pit_init(irqreturn_t (*handler)(int, void *, struct pt_regs *)); +void coldfire_pit_init(irq_handler_t handler); unsigned long coldfire_pit_offset(void); void coldfire_trap_init(void); void coldfire_reset(void); diff --git a/arch/m68knommu/platform/5307/config.c b/arch/m68knommu/platform/5307/config.c index 8074ac56f47..e04b84deb57 100644 --- a/arch/m68knommu/platform/5307/config.c +++ b/arch/m68knommu/platform/5307/config.c @@ -27,7 +27,7 @@ /***************************************************************************/ void coldfire_tick(void); -void coldfire_timer_init(irqreturn_t (*handler)(int, void *, struct pt_regs *)); +void coldfire_timer_init(irq_handler_t handler); unsigned long coldfire_timer_offset(void); void coldfire_trap_init(void); void coldfire_reset(void); diff --git a/arch/m68knommu/platform/5307/pit.c b/arch/m68knommu/platform/5307/pit.c index 9dc5688f71b..aa15beeb36c 100644 --- a/arch/m68knommu/platform/5307/pit.c +++ b/arch/m68knommu/platform/5307/pit.c @@ -43,7 +43,7 @@ void coldfire_pit_tick(void) /***************************************************************************/ -void coldfire_pit_init(irqreturn_t (*handler)(int, void *, struct pt_regs *)) +void coldfire_pit_init(irq_handler_t handler) { volatile unsigned char *icrp; volatile unsigned long *imrp; diff --git a/arch/m68knommu/platform/5307/timers.c b/arch/m68knommu/platform/5307/timers.c index e5668af1978..87b112b363a 100644 --- a/arch/m68knommu/platform/5307/timers.c +++ b/arch/m68knommu/platform/5307/timers.c @@ -62,7 +62,7 @@ void coldfire_tick(void) /***************************************************************************/ -void coldfire_timer_init(irqreturn_t (*handler)(int, void *, struct pt_regs *)) +void coldfire_timer_init(irq_handler_t handler) { __raw_writew(MCFTIMER_TMR_DISABLE, TA(MCFTIMER_TMR)); __raw_writetrr(((MCF_BUSCLK / 16) / HZ), TA(MCFTIMER_TRR)); @@ -111,12 +111,13 @@ unsigned long coldfire_timer_offset(void) /* * Use the other timer to provide high accuracy profiling info. */ -void coldfire_profile_tick(int irq, void *dummy, struct pt_regs *regs) +irqreturn_t coldfire_profile_tick(int irq, void *dummy) { /* Reset ColdFire timer2 */ __raw_writeb(MCFTIMER_TER_CAP | MCFTIMER_TER_REF, PA(MCFTIMER_TER)); if (current->pid) profile_tick(CPU_PROFILING, regs); + return IRQ_HANDLED; } /***************************************************************************/ diff --git a/arch/m68knommu/platform/532x/config.c b/arch/m68knommu/platform/532x/config.c index c7d6ad51382..664c3a12b0c 100644 --- a/arch/m68knommu/platform/532x/config.c +++ b/arch/m68knommu/platform/532x/config.c @@ -35,7 +35,7 @@ /***************************************************************************/ void coldfire_tick(void); -void coldfire_timer_init(irqreturn_t (*handler)(int, void *, struct pt_regs *)); +void coldfire_timer_init(irq_handler_t handler); unsigned long coldfire_timer_offset(void); void coldfire_trap_init(void); void coldfire_reset(void); diff --git a/arch/m68knommu/platform/5407/config.c b/arch/m68knommu/platform/5407/config.c index 5aad2645f0f..036f6287624 100644 --- a/arch/m68knommu/platform/5407/config.c +++ b/arch/m68knommu/platform/5407/config.c @@ -26,7 +26,7 @@ /***************************************************************************/ void coldfire_tick(void); -void coldfire_timer_init(irqreturn_t (*handler)(int, void *, struct pt_regs *)); +void coldfire_timer_init(irq_handler_t handler); unsigned long coldfire_timer_offset(void); void coldfire_trap_init(void); void coldfire_reset(void); diff --git a/arch/m68knommu/platform/68328/config.c b/arch/m68knommu/platform/68328/config.c index 26ffeba2864..e5c537d14df 100644 --- a/arch/m68knommu/platform/68328/config.c +++ b/arch/m68knommu/platform/68328/config.c @@ -34,7 +34,7 @@ /***************************************************************************/ -void m68328_timer_init(irqreturn_t (*timer_routine) (int, void *, struct pt_regs *)); +void m68328_timer_init(irq_handler_t timer_routine); void m68328_timer_tick(void); unsigned long m68328_timer_gettimeoffset(void); void m68328_timer_gettod(int *year, int *mon, int *day, int *hour, int *min, int *sec); diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index bbd386f572d..5fe195a41a8 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -8,6 +8,10 @@ mainmenu "Linux/MIPS Kernel Configuration" menu "Machine selection" +config ZONE_DMA + bool + default y + choice prompt "System type" default SGI_IP22 @@ -575,6 +579,7 @@ config SGI_IP27 select DMA_IP27 select EARLY_PRINTK select HW_HAS_PCI + select NR_CPUS_DEFAULT_64 select PCI_DOMAINS select SYS_HAS_CPU_R10000 select SYS_SUPPORTS_64BIT_KERNEL @@ -612,6 +617,7 @@ config SIBYTE_BIGSUR bool "Sibyte BCM91480B-BigSur" select BOOT_ELF32 select DMA_COHERENT + select NR_CPUS_DEFAULT_4 select PCI_DOMAINS select SIBYTE_BCM1x80 select SWAP_IO_SPACE @@ -623,6 +629,7 @@ config SIBYTE_SWARM bool "Sibyte BCM91250A-SWARM" select BOOT_ELF32 select DMA_COHERENT + select NR_CPUS_DEFAULT_2 select SIBYTE_SB1250 select SWAP_IO_SPACE select SYS_HAS_CPU_SB1 @@ -635,6 +642,7 @@ config SIBYTE_SENTOSA depends on EXPERIMENTAL select BOOT_ELF32 select DMA_COHERENT + select NR_CPUS_DEFAULT_2 select SIBYTE_SB1250 select SWAP_IO_SPACE select SYS_HAS_CPU_SB1 @@ -668,6 +676,7 @@ config SIBYTE_PTSWARM depends on EXPERIMENTAL select BOOT_ELF32 select DMA_COHERENT + select NR_CPUS_DEFAULT_2 select SIBYTE_SB1250 select SWAP_IO_SPACE select SYS_HAS_CPU_SB1 @@ -680,6 +689,7 @@ config SIBYTE_LITTLESUR depends on EXPERIMENTAL select BOOT_ELF32 select DMA_COHERENT + select NR_CPUS_DEFAULT_2 select SIBYTE_SB1250 select SWAP_IO_SPACE select SYS_HAS_CPU_SB1 @@ -747,6 +757,7 @@ config TOSHIBA_JMR3927 select SWAP_IO_SPACE select SYS_HAS_CPU_TX39XX select SYS_SUPPORTS_32BIT_KERNEL + select SYS_SUPPORTS_LITTLE_ENDIAN select SYS_SUPPORTS_BIG_ENDIAN select TOSHIBA_BOARDS @@ -761,6 +772,7 @@ config TOSHIBA_RBTX4927 select SYS_HAS_CPU_TX49XX select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL + select SYS_SUPPORTS_LITTLE_ENDIAN select SYS_SUPPORTS_BIG_ENDIAN select TOSHIBA_BOARDS select GENERIC_HARDIRQS_NO__DO_IRQ @@ -790,23 +802,6 @@ config TOSHIBA_RBTX4938 endchoice -config KEXEC - bool "Kexec system call (EXPERIMENTAL)" - depends on EXPERIMENTAL - help - kexec is a system call that implements the ability to shutdown your - current kernel, and to start another kernel. It is like a reboot - but it is indepedent of the system firmware. And like a reboot - you can start any kernel with it, not just Linux. - - The name comes from the similiarity to the exec system call. - - It is an ongoing process to be certain the hardware in a machine - is properly shutdown, so do not be surprised if this code does not - initially work for you. It may help to enable device hotplugging - support. As of this writing the exact hardware interface is - strongly in flux, so no good recommendation can be made. - source "arch/mips/ddb5xxx/Kconfig" source "arch/mips/gt64120/ev64120/Kconfig" source "arch/mips/jazz/Kconfig" @@ -945,6 +940,9 @@ config CPU_LITTLE_ENDIAN endchoice +config SYS_SUPPORTS_APM_EMULATION + bool + config SYS_SUPPORTS_BIG_ENDIAN bool @@ -1012,6 +1010,7 @@ config SOC_AU1X00 bool select SYS_HAS_CPU_MIPS32_R1 select SYS_SUPPORTS_32BIT_KERNEL + select SYS_SUPPORTS_APM_EMULATION config PNX8550 bool @@ -1541,6 +1540,8 @@ config MIPS_MT_SMTC select CPU_MIPSR2_IRQ_VI select CPU_MIPSR2_SRS select MIPS_MT + select NR_CPUS_DEFAULT_2 + select NR_CPUS_DEFAULT_8 select SMP select SYS_SUPPORTS_SMP help @@ -1756,13 +1757,34 @@ config SMP config SYS_SUPPORTS_SMP bool +config NR_CPUS_DEFAULT_2 + bool + +config NR_CPUS_DEFAULT_4 + bool + +config NR_CPUS_DEFAULT_8 + bool + +config NR_CPUS_DEFAULT_16 + bool + +config NR_CPUS_DEFAULT_32 + bool + +config NR_CPUS_DEFAULT_64 + bool + config NR_CPUS int "Maximum number of CPUs (2-64)" range 2 64 depends on SMP - default "64" if SGI_IP27 - default "2" - default "8" if MIPS_MT_SMTC + default "2" if NR_CPUS_DEFAULT_2 + default "4" if NR_CPUS_DEFAULT_4 + default "8" if NR_CPUS_DEFAULT_8 + default "16" if NR_CPUS_DEFAULT_16 + default "32" if NR_CPUS_DEFAULT_32 + default "64" if NR_CPUS_DEFAULT_64 help This allows you to specify the maximum number of CPUs which this kernel will support. The maximum supported value is 32 for 32-bit @@ -1859,6 +1881,40 @@ config MIPS_INSANE_LARGE This will result in additional memory usage, so it is not recommended for normal users. +config KEXEC + bool "Kexec system call (EXPERIMENTAL)" + depends on EXPERIMENTAL + help + kexec is a system call that implements the ability to shutdown your + current kernel, and to start another kernel. It is like a reboot + but it is indepedent of the system firmware. And like a reboot + you can start any kernel with it, not just Linux. + + The name comes from the similiarity to the exec system call. + + It is an ongoing process to be certain the hardware in a machine + is properly shutdown, so do not be surprised if this code does not + initially work for you. It may help to enable device hotplugging + support. As of this writing the exact hardware interface is + strongly in flux, so no good recommendation can be made. + +config SECCOMP + bool "Enable seccomp to safely compute untrusted bytecode" + depends on PROC_FS && BROKEN + default y + help + This kernel feature is useful for number crunching applications + that may need to compute untrusted bytecode during their + execution. By using pipes or other transports made available to + the process as file descriptors supporting the read/write + syscalls, it's possible to isolate those applications in + their own address space using seccomp. Once seccomp is + enabled via /proc/<pid>/seccomp, it cannot be disabled + and the task is only allowed to execute a few safe syscalls + defined by each seccomp mode. + + If unsure, say Y. Only embedded should say N here. + endmenu config RWSEM_GENERIC_SPINLOCK @@ -2025,52 +2081,11 @@ config BINFMT_ELF32 bool default y if MIPS32_O32 || MIPS32_N32 -config SECCOMP - bool "Enable seccomp to safely compute untrusted bytecode" - depends on PROC_FS && BROKEN - default y - help - This kernel feature is useful for number crunching applications - that may need to compute untrusted bytecode during their - execution. By using pipes or other transports made available to - the process as file descriptors supporting the read/write - syscalls, it's possible to isolate those applications in - their own address space using seccomp. Once seccomp is - enabled via /proc/<pid>/seccomp, it cannot be disabled - and the task is only allowed to execute a few safe syscalls - defined by each seccomp mode. +endmenu - If unsure, say Y. Only embedded should say N here. +menu "Power management options" -config PM - bool "Power Management support (EXPERIMENTAL)" - depends on EXPERIMENTAL && SOC_AU1X00 - -config APM - tristate "Advanced Power Management Emulation" - depends on PM - ---help--- - APM is a BIOS specification for saving power using several different - techniques. This is mostly useful for battery powered systems with - APM compliant BIOSes. If you say Y here, the system time will be - reset after a RESUME operation, the /proc/apm device will provide - battery status information, and user-space programs will receive - notification of APM "events" (e.g. battery status change). - - In order to use APM, you will need supporting software. For location - and more information, read <file:Documentation/pm.txt> and the - Battery Powered Linux mini-HOWTO, available from - <http://www.tldp.org/docs.html#howto>. - - This driver does not spin down disk drives (see the hdparm(8) - manpage ("man 8 hdparm") for that), and it doesn't turn off - VESA-compliant "green" monitors. - - Generally, if you don't have a battery in your machine, there isn't - much point in using this driver and you should say N. If you get - random kernel OOPSes or reboots that don't seem to be related to - anything, try disabling/enabling this option (or disabling/enabling - APM in your BIOS). +source "kernel/power/Kconfig" endmenu diff --git a/arch/mips/Kconfig.debug b/arch/mips/Kconfig.debug index 5d6afb52d90..9351f1c04a9 100644 --- a/arch/mips/Kconfig.debug +++ b/arch/mips/Kconfig.debug @@ -22,10 +22,10 @@ config CMDLINE string "Default kernel command string" default "" help - On some platforms, there is currently no way for the boot loader to - pass arguments to the kernel. For these platforms, you can supply - some command-line options at build time by entering them here. In - other cases you can specify kernel args so that you don't have + On some platforms, there is currently no way for the boot loader to + pass arguments to the kernel. For these platforms, you can supply + some command-line options at build time by entering them here. In + other cases you can specify kernel args so that you don't have to set them up in board prom initialization routines. config DEBUG_STACK_USAGE diff --git a/arch/mips/arc/identify.c b/arch/mips/arc/identify.c index 3ba7c47f9f2..4b907369b0f 100644 --- a/arch/mips/arc/identify.c +++ b/arch/mips/arc/identify.c @@ -77,7 +77,7 @@ static struct smatch * __init string_to_mach(const char *s) { int i; - for (i = 0; i < (sizeof(mach_table) / sizeof (mach_table[0])); i++) { + for (i = 0; i < ARRAY_SIZE(mach_table); i++) { if (!strcmp(s, mach_table[i].arcname)) return &mach_table[i]; } diff --git a/arch/mips/arc/memory.c b/arch/mips/arc/memory.c index 8a9ef58cc39..456cb81a32d 100644 --- a/arch/mips/arc/memory.c +++ b/arch/mips/arc/memory.c @@ -141,30 +141,20 @@ void __init prom_meminit(void) } } -unsigned long __init prom_free_prom_memory(void) +void __init prom_free_prom_memory(void) { - unsigned long freed = 0; unsigned long addr; int i; if (prom_flags & PROM_FLAG_DONT_FREE_TEMP) - return 0; + return; for (i = 0; i < boot_mem_map.nr_map; i++) { if (boot_mem_map.map[i].type != BOOT_MEM_ROM_DATA) continue; addr = boot_mem_map.map[i].addr; - while (addr < boot_mem_map.map[i].addr - + boot_mem_map.map[i].size) { - ClearPageReserved(virt_to_page(__va(addr))); - init_page_count(virt_to_page(__va(addr))); - free_page((unsigned long)__va(addr)); - addr += PAGE_SIZE; - freed += PAGE_SIZE; - } + free_init_pages("prom memory", + addr, addr + boot_mem_map.map[i].size); } - printk(KERN_INFO "Freeing prom memory: %ldkb freed\n", freed >> 10); - - return freed; } diff --git a/arch/mips/au1000/common/irq.c b/arch/mips/au1000/common/irq.c index 9cf7b671583..ea6e99fbe2f 100644 --- a/arch/mips/au1000/common/irq.c +++ b/arch/mips/au1000/common/irq.c @@ -233,7 +233,7 @@ void restore_local_and_enable(int controller, unsigned long mask) static struct irq_chip rise_edge_irq_type = { - .typename = "Au1000 Rise Edge", + .name = "Au1000 Rise Edge", .ack = mask_and_ack_rise_edge_irq, .mask = local_disable_irq, .mask_ack = mask_and_ack_rise_edge_irq, @@ -242,7 +242,7 @@ static struct irq_chip rise_edge_irq_type = { }; static struct irq_chip fall_edge_irq_type = { - .typename = "Au1000 Fall Edge", + .name = "Au1000 Fall Edge", .ack = mask_and_ack_fall_edge_irq, .mask = local_disable_irq, .mask_ack = mask_and_ack_fall_edge_irq, @@ -251,7 +251,7 @@ static struct irq_chip fall_edge_irq_type = { }; static struct irq_chip either_edge_irq_type = { - .typename = "Au1000 Rise or Fall Edge", + .name = "Au1000 Rise or Fall Edge", .ack = mask_and_ack_either_edge_irq, .mask = local_disable_irq, .mask_ack = mask_and_ack_either_edge_irq, @@ -260,7 +260,7 @@ static struct irq_chip either_edge_irq_type = { }; static struct irq_chip level_irq_type = { - .typename = "Au1000 Level", + .name = "Au1000 Level", .ack = mask_and_ack_level_irq, .mask = local_disable_irq, .mask_ack = mask_and_ack_level_irq, diff --git a/arch/mips/au1000/common/pci.c b/arch/mips/au1000/common/pci.c index 9f8ce08e173..6c25e6c09f7 100644 --- a/arch/mips/au1000/common/pci.c +++ b/arch/mips/au1000/common/pci.c @@ -76,13 +76,17 @@ static int __init au1x_pci_setup(void) } #ifdef CONFIG_DMA_NONCOHERENT - /* - * Set the NC bit in controller for Au1500 pre-AC silicon - */ - u32 prid = read_c0_prid(); - if ( (prid & 0xFF000000) == 0x01000000 && prid < 0x01030202) { - au_writel( 1<<16 | au_readl(Au1500_PCI_CFG), Au1500_PCI_CFG); - printk("Non-coherent PCI accesses enabled\n"); + { + /* + * Set the NC bit in controller for Au1500 pre-AC silicon + */ + u32 prid = read_c0_prid(); + + if ((prid & 0xFF000000) == 0x01000000 && prid < 0x01030202) { + au_writel((1 << 16) | au_readl(Au1500_PCI_CFG), + Au1500_PCI_CFG); + printk("Non-coherent PCI accesses enabled\n"); + } } #endif diff --git a/arch/mips/au1000/common/prom.c b/arch/mips/au1000/common/prom.c index 6fce60af005..a8637cdb5b4 100644 --- a/arch/mips/au1000/common/prom.c +++ b/arch/mips/au1000/common/prom.c @@ -149,9 +149,8 @@ int get_ethernet_addr(char *ethernet_addr) return 0; } -unsigned long __init prom_free_prom_memory(void) +void __init prom_free_prom_memory(void) { - return 0; } EXPORT_SYMBOL(prom_getcmdline); diff --git a/arch/mips/au1000/common/setup.c b/arch/mips/au1000/common/setup.c index 919172db560..13fe187f35d 100644 --- a/arch/mips/au1000/common/setup.c +++ b/arch/mips/au1000/common/setup.c @@ -141,17 +141,20 @@ void __init plat_mem_setup(void) /* This routine should be valid for all Au1x based boards */ phys_t __fixup_bigphys_addr(phys_t phys_addr, phys_t size) { - u32 start, end; - /* Don't fixup 36 bit addresses */ - if ((phys_addr >> 32) != 0) return phys_addr; + if ((phys_addr >> 32) != 0) + return phys_addr; #ifdef CONFIG_PCI - start = (u32)Au1500_PCI_MEM_START; - end = (u32)Au1500_PCI_MEM_END; - /* check for pci memory window */ - if ((phys_addr >= start) && ((phys_addr + size) < end)) { - return (phys_t)((phys_addr - start) + Au1500_PCI_MEM_START); + { + u32 start, end; + + start = (u32)Au1500_PCI_MEM_START; + end = (u32)Au1500_PCI_MEM_END; + /* check for pci memory window */ + if ((phys_addr >= start) && ((phys_addr + size) < end)) + return (phys_t) + ((phys_addr - start) + Au1500_PCI_MEM_START); } #endif diff --git a/arch/mips/au1000/pb1100/board_setup.c b/arch/mips/au1000/pb1100/board_setup.c index 2d1533f116c..6bc1f8e1b60 100644 --- a/arch/mips/au1000/pb1100/board_setup.c +++ b/arch/mips/au1000/pb1100/board_setup.c @@ -47,8 +47,7 @@ void board_reset (void) void __init board_setup(void) { - u32 pin_func; - u32 sys_freqctrl, sys_clksrc; + volatile void __iomem * base = (volatile void __iomem *) 0xac000000UL; // set AUX clock to 12MHz * 8 = 96 MHz au_writel(8, SYS_AUXPLL); @@ -56,58 +55,62 @@ void __init board_setup(void) udelay(100); #ifdef CONFIG_USB_OHCI - // configure pins GPIO[14:9] as GPIO - pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x80); - - /* zero and disable FREQ2 */ - sys_freqctrl = au_readl(SYS_FREQCTRL0); - sys_freqctrl &= ~0xFFF00000; - au_writel(sys_freqctrl, SYS_FREQCTRL0); - - /* zero and disable USBH/USBD/IrDA clock */ - sys_clksrc = au_readl(SYS_CLKSRC); - sys_clksrc &= ~0x0000001F; - au_writel(sys_clksrc, SYS_CLKSRC); - - sys_freqctrl = au_readl(SYS_FREQCTRL0); - sys_freqctrl &= ~0xFFF00000; - - sys_clksrc = au_readl(SYS_CLKSRC); - sys_clksrc &= ~0x0000001F; - - // FREQ2 = aux/2 = 48 MHz - sys_freqctrl |= ((0<<22) | (1<<21) | (1<<20)); - au_writel(sys_freqctrl, SYS_FREQCTRL0); - - /* - * Route 48MHz FREQ2 into USBH/USBD/IrDA - */ - sys_clksrc |= ((4<<2) | (0<<1) | 0 ); - au_writel(sys_clksrc, SYS_CLKSRC); - - /* setup the static bus controller */ - au_writel(0x00000002, MEM_STCFG3); /* type = PCMCIA */ - au_writel(0x280E3D07, MEM_STTIME3); /* 250ns cycle time */ - au_writel(0x10000000, MEM_STADDR3); /* any PCMCIA select */ - - // get USB Functionality pin state (device vs host drive pins) - pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x8000); - // 2nd USB port is USB host - pin_func |= 0x8000; - au_writel(pin_func, SYS_PINFUNC); + { + u32 pin_func, sys_freqctrl, sys_clksrc; + + // configure pins GPIO[14:9] as GPIO + pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x80); + + /* zero and disable FREQ2 */ + sys_freqctrl = au_readl(SYS_FREQCTRL0); + sys_freqctrl &= ~0xFFF00000; + au_writel(sys_freqctrl, SYS_FREQCTRL0); + + /* zero and disable USBH/USBD/IrDA clock */ + sys_clksrc = au_readl(SYS_CLKSRC); + sys_clksrc &= ~0x0000001F; + au_writel(sys_clksrc, SYS_CLKSRC); + + sys_freqctrl = au_readl(SYS_FREQCTRL0); + sys_freqctrl &= ~0xFFF00000; + + sys_clksrc = au_readl(SYS_CLKSRC); + sys_clksrc &= ~0x0000001F; + + // FREQ2 = aux/2 = 48 MHz + sys_freqctrl |= ((0<<22) | (1<<21) | (1<<20)); + au_writel(sys_freqctrl, SYS_FREQCTRL0); + + /* + * Route 48MHz FREQ2 into USBH/USBD/IrDA + */ + sys_clksrc |= ((4<<2) | (0<<1) | 0 ); + au_writel(sys_clksrc, SYS_CLKSRC); + + /* setup the static bus controller */ + au_writel(0x00000002, MEM_STCFG3); /* type = PCMCIA */ + au_writel(0x280E3D07, MEM_STTIME3); /* 250ns cycle time */ + au_writel(0x10000000, MEM_STADDR3); /* any PCMCIA select */ + + // get USB Functionality pin state (device vs host drive pins) + pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x8000); + // 2nd USB port is USB host + pin_func |= 0x8000; + au_writel(pin_func, SYS_PINFUNC); + } #endif // defined (CONFIG_USB_OHCI) /* Enable sys bus clock divider when IDLE state or no bus activity. */ au_writel(au_readl(SYS_POWERCTRL) | (0x3 << 5), SYS_POWERCTRL); // Enable the RTC if not already enabled - if (!(readb(0xac000028) & 0x20)) { - writeb(readb(0xac000028) | 0x20, 0xac000028); + if (!(readb(base + 0x28) & 0x20)) { + writeb(readb(base + 0x28) | 0x20, base + 0x28); au_sync(); } // Put the clock in BCD mode - if (readb(0xac00002C) & 0x4) { /* reg B */ - writeb(readb(0xac00002c) & ~0x4, 0xac00002c); + if (readb(base + 0x2C) & 0x4) { /* reg B */ + writeb(readb(base + 0x2c) & ~0x4, base + 0x2c); au_sync(); } } diff --git a/arch/mips/au1000/pb1200/irqmap.c b/arch/mips/au1000/pb1200/irqmap.c index 91983ba407c..b73b2d18bf5 100644 --- a/arch/mips/au1000/pb1200/irqmap.c +++ b/arch/mips/au1000/pb1200/irqmap.c @@ -137,33 +137,20 @@ static void pb1200_shutdown_irq( unsigned int irq_nr ) return; } -static inline void pb1200_mask_and_ack_irq(unsigned int irq_nr) -{ - pb1200_disable_irq( irq_nr ); -} - -static void pb1200_end_irq(unsigned int irq_nr) -{ - if (!(irq_desc[irq_nr].status & (IRQ_DISABLED|IRQ_INPROGRESS))) { - pb1200_enable_irq(irq_nr); - } -} - static struct irq_chip external_irq_type = { #ifdef CONFIG_MIPS_PB1200 - "Pb1200 Ext", + .name = "Pb1200 Ext", #endif #ifdef CONFIG_MIPS_DB1200 - "Db1200 Ext", + .name = "Db1200 Ext", #endif - pb1200_startup_irq, - pb1200_shutdown_irq, - pb1200_enable_irq, - pb1200_disable_irq, - pb1200_mask_and_ack_irq, - pb1200_end_irq, - NULL + .startup = pb1200_startup_irq, + .shutdown = pb1200_shutdown_irq, + .ack = pb1200_disable_irq, + .mask = pb1200_disable_irq, + .mask_ack = pb1200_disable_irq, + .unmask = pb1200_enable_irq, }; void _board_init_irq(void) @@ -172,7 +159,8 @@ void _board_init_irq(void) for (irq_nr = PB1200_INT_BEGIN; irq_nr <= PB1200_INT_END; irq_nr++) { - irq_desc[irq_nr].chip = &external_irq_type; + set_irq_chip_and_handler(irq_nr, &external_irq_type, + handle_level_irq); pb1200_disable_irq(irq_nr); } diff --git a/arch/mips/basler/excite/excite_irq.c b/arch/mips/basler/excite/excite_irq.c index 2e2061a286c..1ecab635042 100644 --- a/arch/mips/basler/excite/excite_irq.c +++ b/arch/mips/basler/excite/excite_irq.c @@ -47,9 +47,9 @@ extern asmlinkage void excite_handle_int(void); */ void __init arch_init_irq(void) { - mips_cpu_irq_init(0); - rm7k_cpu_irq_init(8); - rm9k_cpu_irq_init(12); + mips_cpu_irq_init(); + rm7k_cpu_irq_init(); + rm9k_cpu_irq_init(); #ifdef CONFIG_KGDB excite_kgdb_init(); diff --git a/arch/mips/cobalt/irq.c b/arch/mips/cobalt/irq.c index 4c46f0e7378..fe93b846923 100644 --- a/arch/mips/cobalt/irq.c +++ b/arch/mips/cobalt/irq.c @@ -104,7 +104,7 @@ void __init arch_init_irq(void) GT_WRITE(GT_INTRMASK_OFS, 0); init_i8259_irqs(); /* 0 ... 15 */ - mips_cpu_irq_init(COBALT_CPU_IRQ); /* 16 ... 23 */ + mips_cpu_irq_init(); /* 16 ... 23 */ /* * Mask all cpu interrupts diff --git a/arch/mips/cobalt/setup.c b/arch/mips/cobalt/setup.c index e8f0f20b852..a4b69b543bd 100644 --- a/arch/mips/cobalt/setup.c +++ b/arch/mips/cobalt/setup.c @@ -204,8 +204,7 @@ void __init prom_init(void) add_memory_region(0x0, memsz, BOOT_MEM_RAM); } -unsigned long __init prom_free_prom_memory(void) +void __init prom_free_prom_memory(void) { /* Nothing to do! */ - return 0; } diff --git a/arch/mips/ddb5xxx/common/prom.c b/arch/mips/ddb5xxx/common/prom.c index efef0f57ce1..54a857b5e3b 100644 --- a/arch/mips/ddb5xxx/common/prom.c +++ b/arch/mips/ddb5xxx/common/prom.c @@ -59,9 +59,8 @@ void __init prom_init(void) #endif } -unsigned long __init prom_free_prom_memory(void) +void __init prom_free_prom_memory(void) { - return 0; } #if defined(CONFIG_DDB5477) diff --git a/arch/mips/ddb5xxx/ddb5477/irq.c b/arch/mips/ddb5xxx/ddb5477/irq.c index a8bd2e66705..2b23234a5b9 100644 --- a/arch/mips/ddb5xxx/ddb5477/irq.c +++ b/arch/mips/ddb5xxx/ddb5477/irq.c @@ -17,6 +17,7 @@ #include <linux/ptrace.h> #include <asm/i8259.h> +#include <asm/irq_cpu.h> #include <asm/system.h> #include <asm/mipsregs.h> #include <asm/debug.h> @@ -73,7 +74,6 @@ set_pci_int_attr(u32 pci, u32 intn, u32 active, u32 trigger) } extern void vrc5477_irq_init(u32 base); -extern void mips_cpu_irq_init(u32 base); static struct irqaction irq_cascade = { no_action, 0, CPU_MASK_NONE, "cascade", NULL, NULL }; void __init arch_init_irq(void) @@ -125,7 +125,7 @@ void __init arch_init_irq(void) /* init all controllers */ init_i8259_irqs(); - mips_cpu_irq_init(CPU_IRQ_BASE); + mips_cpu_irq_init(); vrc5477_irq_init(VRC5477_IRQ_BASE); @@ -146,8 +146,7 @@ u8 i8259_interrupt_ack(void) irq = *(volatile u8 *) KSEG1ADDR(DDB_PCI_IACK_BASE); ddb_out32(DDB_PCIINIT10, reg); - /* i8259.c set the base vector to be 0x0 */ - return irq + I8259_IRQ_BASE; + return irq; } /* * the first level int-handler will jump here if it is a vrc5477 irq @@ -177,7 +176,7 @@ static void vrc5477_irq_dispatch(void) /* check for i8259 interrupts */ if (intStatus & (1 << VRC5477_I8259_CASCADE)) { int i8259_irq = i8259_interrupt_ack(); - do_IRQ(I8259_IRQ_BASE + i8259_irq); + do_IRQ(i8259_irq); return; } } diff --git a/arch/mips/ddb5xxx/ddb5477/irq_5477.c b/arch/mips/ddb5xxx/ddb5477/irq_5477.c index 96249aa5df5..98c3b15eb36 100644 --- a/arch/mips/ddb5xxx/ddb5477/irq_5477.c +++ b/arch/mips/ddb5xxx/ddb5477/irq_5477.c @@ -82,7 +82,7 @@ vrc5477_irq_end(unsigned int irq) } struct irq_chip vrc5477_irq_controller = { - .typename = "vrc5477_irq", + .name = "vrc5477_irq", .ack = vrc5477_irq_ack, .mask = vrc5477_irq_disable, .mask_ack = vrc5477_irq_ack, diff --git a/arch/mips/dec/Makefile b/arch/mips/dec/Makefile index ed181fdc3ac..8b790c2900d 100644 --- a/arch/mips/dec/Makefile +++ b/arch/mips/dec/Makefile @@ -6,6 +6,7 @@ obj-y := ecc-berr.o int-handler.o ioasic-irq.o kn01-berr.o \ kn02-irq.o kn02xa-berr.o reset.o setup.o time.o obj-$(CONFIG_PROM_CONSOLE) += promcon.o +obj-$(CONFIG_TC) += tc.o obj-$(CONFIG_CPU_HAS_WB) += wbflush.o EXTRA_AFLAGS := $(CFLAGS) diff --git a/arch/mips/dec/ioasic-irq.c b/arch/mips/dec/ioasic-irq.c index 4c7cb4048d3..3acb133668d 100644 --- a/arch/mips/dec/ioasic-irq.c +++ b/arch/mips/dec/ioasic-irq.c @@ -62,7 +62,7 @@ static inline void end_ioasic_irq(unsigned int irq) } static struct irq_chip ioasic_irq_type = { - .typename = "IO-ASIC", + .name = "IO-ASIC", .ack = ack_ioasic_irq, .mask = mask_ioasic_irq, .mask_ack = ack_ioasic_irq, @@ -84,7 +84,7 @@ static inline void end_ioasic_dma_irq(unsigned int irq) } static struct irq_chip ioasic_dma_irq_type = { - .typename = "IO-ASIC-DMA", + .name = "IO-ASIC-DMA", .ack = ack_ioasic_dma_irq, .mask = mask_ioasic_dma_irq, .mask_ack = ack_ioasic_dma_irq, diff --git a/arch/mips/dec/kn02-irq.c b/arch/mips/dec/kn02-irq.c index 916e46b8ccd..02439dc0ba8 100644 --- a/arch/mips/dec/kn02-irq.c +++ b/arch/mips/dec/kn02-irq.c @@ -58,7 +58,7 @@ static void ack_kn02_irq(unsigned int irq) } static struct irq_chip kn02_irq_type = { - .typename = "KN02-CSR", + .name = "KN02-CSR", .ack = ack_kn02_irq, .mask = mask_kn02_irq, .mask_ack = ack_kn02_irq, diff --git a/arch/mips/dec/prom/identify.c b/arch/mips/dec/prom/identify.c index 81d5e878ddc..c4e3c1ea0d4 100644 --- a/arch/mips/dec/prom/identify.c +++ b/arch/mips/dec/prom/identify.c @@ -88,6 +88,7 @@ static inline void prom_init_kn02(void) { dec_kn_slot_base = KN02_SLOT_BASE; dec_kn_slot_size = KN02_SLOT_SIZE; + dec_tc_bus = 1; dec_rtc_base = (void *)CKSEG1ADDR(dec_kn_slot_base + KN02_RTC); } @@ -96,6 +97,7 @@ static inline void prom_init_kn02xa(void) { dec_kn_slot_base = KN02XA_SLOT_BASE; dec_kn_slot_size = IOASIC_SLOT_SIZE; + dec_tc_bus = 1; ioasic_base = (void *)CKSEG1ADDR(dec_kn_slot_base + IOASIC_IOCTL); dec_rtc_base = (void *)CKSEG1ADDR(dec_kn_slot_base + IOASIC_TOY); @@ -105,6 +107,7 @@ static inline void prom_init_kn03(void) { dec_kn_slot_base = KN03_SLOT_BASE; dec_kn_slot_size = IOASIC_SLOT_SIZE; + dec_tc_bus = 1; ioasic_base = (void *)CKSEG1ADDR(dec_kn_slot_base + IOASIC_IOCTL); dec_rtc_base = (void *)CKSEG1ADDR(dec_kn_slot_base + IOASIC_TOY); diff --git a/arch/mips/dec/prom/memory.c b/arch/mips/dec/prom/memory.c index 3aa01d268f2..5a557e268f7 100644 --- a/arch/mips/dec/prom/memory.c +++ b/arch/mips/dec/prom/memory.c @@ -92,9 +92,9 @@ void __init prom_meminit(u32 magic) rex_setup_memory_region(); } -unsigned long __init prom_free_prom_memory(void) +void __init prom_free_prom_memory(void) { - unsigned long addr, end; + unsigned long end; /* * Free everything below the kernel itself but leave @@ -114,16 +114,5 @@ unsigned long __init prom_free_prom_memory(void) #endif end = __pa(&_text); - addr = PAGE_SIZE; - while (addr < end) { - ClearPageReserved(virt_to_page(__va(addr))); - init_page_count(virt_to_page(__va(addr))); - free_page((unsigned long)__va(addr)); - addr += PAGE_SIZE; - } - - printk("Freeing unused PROM memory: %ldkb freed\n", - (end - PAGE_SIZE) >> 10); - - return end - PAGE_SIZE; + free_init_pages("unused PROM memory", PAGE_SIZE, end); } diff --git a/arch/mips/dec/setup.c b/arch/mips/dec/setup.c index d34032ac492..b8a5e75ba0a 100644 --- a/arch/mips/dec/setup.c +++ b/arch/mips/dec/setup.c @@ -53,6 +53,8 @@ unsigned long dec_kn_slot_base, dec_kn_slot_size; EXPORT_SYMBOL(dec_kn_slot_base); EXPORT_SYMBOL(dec_kn_slot_size); +int dec_tc_bus; + spinlock_t ioasic_ssr_lock; volatile u32 *ioasic_base; @@ -234,7 +236,7 @@ static void __init dec_init_kn01(void) memcpy(&cpu_mask_nr_tbl, &kn01_cpu_mask_nr_tbl, sizeof(kn01_cpu_mask_nr_tbl)); - mips_cpu_irq_init(DEC_CPU_IRQ_BASE); + mips_cpu_irq_init(); } /* dec_init_kn01 */ @@ -309,7 +311,7 @@ static void __init dec_init_kn230(void) memcpy(&cpu_mask_nr_tbl, &kn230_cpu_mask_nr_tbl, sizeof(kn230_cpu_mask_nr_tbl)); - mips_cpu_irq_init(DEC_CPU_IRQ_BASE); + mips_cpu_irq_init(); } /* dec_init_kn230 */ @@ -403,7 +405,7 @@ static void __init dec_init_kn02(void) memcpy(&asic_mask_nr_tbl, &kn02_asic_mask_nr_tbl, sizeof(kn02_asic_mask_nr_tbl)); - mips_cpu_irq_init(DEC_CPU_IRQ_BASE); + mips_cpu_irq_init(); init_kn02_irqs(KN02_IRQ_BASE); } /* dec_init_kn02 */ @@ -504,7 +506,7 @@ static void __init dec_init_kn02ba(void) memcpy(&asic_mask_nr_tbl, &kn02ba_asic_mask_nr_tbl, sizeof(kn02ba_asic_mask_nr_tbl)); - mips_cpu_irq_init(DEC_CPU_IRQ_BASE); + mips_cpu_irq_init(); init_ioasic_irqs(IO_IRQ_BASE); } /* dec_init_kn02ba */ @@ -601,7 +603,7 @@ static void __init dec_init_kn02ca(void) memcpy(&asic_mask_nr_tbl, &kn02ca_asic_mask_nr_tbl, sizeof(kn02ca_asic_mask_nr_tbl)); - mips_cpu_irq_init(DEC_CPU_IRQ_BASE); + mips_cpu_irq_init(); init_ioasic_irqs(IO_IRQ_BASE); } /* dec_init_kn02ca */ @@ -702,7 +704,7 @@ static void __init dec_init_kn03(void) memcpy(&asic_mask_nr_tbl, &kn03_asic_mask_nr_tbl, sizeof(kn03_asic_mask_nr_tbl)); - mips_cpu_irq_init(DEC_CPU_IRQ_BASE); + mips_cpu_irq_init(); init_ioasic_irqs(IO_IRQ_BASE); } /* dec_init_kn03 */ diff --git a/arch/mips/dec/tc.c b/arch/mips/dec/tc.c new file mode 100644 index 00000000000..732027c7983 --- /dev/null +++ b/arch/mips/dec/tc.c @@ -0,0 +1,95 @@ +/* + * TURBOchannel architecture calls. + * + * Copyright (c) Harald Koerfgen, 1998 + * Copyright (c) 2001, 2003, 2005, 2006 Maciej W. Rozycki + * Copyright (c) 2005 James Simmons + * + * This file is subject to the terms and conditions of the GNU + * General Public License. See the file "COPYING" in the main + * directory of this archive for more details. + */ +#include <linux/compiler.h> +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/string.h> +#include <linux/tc.h> +#include <linux/types.h> + +#include <asm/addrspace.h> +#include <asm/bootinfo.h> +#include <asm/paccess.h> + +#include <asm/dec/interrupts.h> +#include <asm/dec/prom.h> +#include <asm/dec/system.h> + +/* + * Protected read byte from TURBOchannel slot space. + */ +int tc_preadb(u8 *valp, void __iomem *addr) +{ + return get_dbe(*valp, (u8 *)addr); +} + +/* + * Get TURBOchannel bus information as specified by the spec, plus + * the slot space base address and the number of slots. + */ +int __init tc_bus_get_info(struct tc_bus *tbus) +{ + if (!dec_tc_bus) + return -ENXIO; + + memcpy(&tbus->info, rex_gettcinfo(), sizeof(tbus->info)); + tbus->slot_base = CPHYSADDR((long)rex_slot_address(0)); + + switch (mips_machtype) { + case MACH_DS5000_200: + tbus->num_tcslots = 7; + break; + case MACH_DS5000_2X0: + case MACH_DS5900: + tbus->ext_slot_base = 0x20000000; + tbus->ext_slot_size = 0x20000000; + /* fall through */ + case MACH_DS5000_1XX: + tbus->num_tcslots = 3; + break; + case MACH_DS5000_XX: + tbus->num_tcslots = 2; + default: + break; + } + return 0; +} + +/* + * Get the IRQ for the specified slot. + */ +void __init tc_device_get_irq(struct tc_dev *tdev) +{ + switch (tdev->slot) { + case 0: + tdev->interrupt = dec_interrupt[DEC_IRQ_TC0]; + break; + case 1: + tdev->interrupt = dec_interrupt[DEC_IRQ_TC1]; + break; + case 2: + tdev->interrupt = dec_interrupt[DEC_IRQ_TC2]; + break; + /* + * Yuck! DS5000/200 onboard devices + */ + case 5: + tdev->interrupt = dec_interrupt[DEC_IRQ_TC5]; + break; + case 6: + tdev->interrupt = dec_interrupt[DEC_IRQ_TC6]; + break; + default: + tdev->interrupt = -1; + break; + } +} diff --git a/arch/mips/emma2rh/common/irq_emma2rh.c b/arch/mips/emma2rh/common/irq_emma2rh.c index 8d880f0b06e..96df37b7775 100644 --- a/arch/mips/emma2rh/common/irq_emma2rh.c +++ b/arch/mips/emma2rh/common/irq_emma2rh.c @@ -57,7 +57,7 @@ static void emma2rh_irq_disable(unsigned int irq) } struct irq_chip emma2rh_irq_controller = { - .typename = "emma2rh_irq", + .name = "emma2rh_irq", .ack = emma2rh_irq_disable, .mask = emma2rh_irq_disable, .mask_ack = emma2rh_irq_disable, diff --git a/arch/mips/emma2rh/markeins/irq.c b/arch/mips/emma2rh/markeins/irq.c index c93369cb411..3299b6dfe76 100644 --- a/arch/mips/emma2rh/markeins/irq.c +++ b/arch/mips/emma2rh/markeins/irq.c @@ -106,7 +106,7 @@ void __init arch_init_irq(void) emma2rh_irq_init(EMMA2RH_IRQ_BASE); emma2rh_sw_irq_init(EMMA2RH_SW_IRQ_BASE); emma2rh_gpio_irq_init(EMMA2RH_GPIO_IRQ_BASE); - mips_cpu_irq_init(CPU_IRQ_BASE); + mips_cpu_irq_init(); /* setup cascade interrupts */ setup_irq(EMMA2RH_IRQ_BASE + EMMA2RH_SW_CASCADE, &irq_cascade); diff --git a/arch/mips/emma2rh/markeins/irq_markeins.c b/arch/mips/emma2rh/markeins/irq_markeins.c index 2116d9be5fa..fba5c156f47 100644 --- a/arch/mips/emma2rh/markeins/irq_markeins.c +++ b/arch/mips/emma2rh/markeins/irq_markeins.c @@ -49,7 +49,7 @@ static void emma2rh_sw_irq_disable(unsigned int irq) } struct irq_chip emma2rh_sw_irq_controller = { - .typename = "emma2rh_sw_irq", + .name = "emma2rh_sw_irq", .ack = emma2rh_sw_irq_disable, .mask = emma2rh_sw_irq_disable, .mask_ack = emma2rh_sw_irq_disable, @@ -115,7 +115,7 @@ static void emma2rh_gpio_irq_end(unsigned int irq) } struct irq_chip emma2rh_gpio_irq_controller = { - .typename = "emma2rh_gpio_irq", + .name = "emma2rh_gpio_irq", .ack = emma2rh_gpio_irq_ack, .mask = emma2rh_gpio_irq_disable, .mask_ack = emma2rh_gpio_irq_ack, diff --git a/arch/mips/gt64120/ev64120/irq.c b/arch/mips/gt64120/ev64120/irq.c index b3e5796c81d..04572b9c964 100644 --- a/arch/mips/gt64120/ev64120/irq.c +++ b/arch/mips/gt64120/ev64120/irq.c @@ -88,7 +88,7 @@ static void end_ev64120_irq(unsigned int irq) } static struct irq_chip ev64120_irq_type = { - .typename = "EV64120", + .name = "EV64120", .ack = disable_ev64120_irq, .mask = disable_ev64120_irq, .mask_ack = disable_ev64120_irq, diff --git a/arch/mips/gt64120/ev64120/setup.c b/arch/mips/gt64120/ev64120/setup.c index 99c8d42212e..477848c22a2 100644 --- a/arch/mips/gt64120/ev64120/setup.c +++ b/arch/mips/gt64120/ev64120/setup.c @@ -59,9 +59,8 @@ extern void galileo_machine_power_off(void); */ extern struct pci_ops galileo_pci_ops; -unsigned long __init prom_free_prom_memory(void) +void __init prom_free_prom_memory(void) { - return 0; } /* diff --git a/arch/mips/gt64120/momenco_ocelot/dbg_io.c b/arch/mips/gt64120/momenco_ocelot/dbg_io.c index 2128684584f..32d6fb4ee67 100644 --- a/arch/mips/gt64120/momenco_ocelot/dbg_io.c +++ b/arch/mips/gt64120/momenco_ocelot/dbg_io.c @@ -1,6 +1,4 @@ -#ifdef CONFIG_KGDB - #include <asm/serial.h> /* For the serial port location and base baud */ /* --- CONFIG --- */ @@ -121,5 +119,3 @@ int putDebugChar(uint8 byte) UART16550_WRITE(OFS_SEND_BUFFER, byte); return 1; } - -#endif diff --git a/arch/mips/gt64120/momenco_ocelot/irq.c b/arch/mips/gt64120/momenco_ocelot/irq.c index d9294401ccb..2585d9dbda3 100644 --- a/arch/mips/gt64120/momenco_ocelot/irq.c +++ b/arch/mips/gt64120/momenco_ocelot/irq.c @@ -90,6 +90,6 @@ void __init arch_init_irq(void) clear_c0_status(ST0_IM); local_irq_disable(); - mips_cpu_irq_init(0); - rm7k_cpu_irq_init(8); + mips_cpu_irq_init(); + rm7k_cpu_irq_init(); } diff --git a/arch/mips/gt64120/momenco_ocelot/prom.c b/arch/mips/gt64120/momenco_ocelot/prom.c index 8677b6d3ada..78f393b2afd 100644 --- a/arch/mips/gt64120/momenco_ocelot/prom.c +++ b/arch/mips/gt64120/momenco_ocelot/prom.c @@ -67,7 +67,6 @@ void __init prom_init(void) add_memory_region(0, 64 << 20, BOOT_MEM_RAM); } -unsigned long __init prom_free_prom_memory(void) +void __init prom_free_prom_memory(void) { - return 0; } diff --git a/arch/mips/gt64120/wrppmc/irq.c b/arch/mips/gt64120/wrppmc/irq.c index eedfc24e1ea..d3d96591780 100644 --- a/arch/mips/gt64120/wrppmc/irq.c +++ b/arch/mips/gt64120/wrppmc/irq.c @@ -63,7 +63,7 @@ void gt64120_init_pic(void) void __init arch_init_irq(void) { /* IRQ 0 - 7 are for MIPS common irq_cpu controller */ - mips_cpu_irq_init(0); + mips_cpu_irq_init(); gt64120_init_pic(); } diff --git a/arch/mips/gt64120/wrppmc/setup.c b/arch/mips/gt64120/wrppmc/setup.c index 429afc400cb..121188d5ec4 100644 --- a/arch/mips/gt64120/wrppmc/setup.c +++ b/arch/mips/gt64120/wrppmc/setup.c @@ -93,9 +93,8 @@ void __init wrppmc_early_printk(const char *fmt, ...) } #endif /* WRPPMC_EARLY_DEBUG */ -unsigned long __init prom_free_prom_memory(void) +void __init prom_free_prom_memory(void) { - return 0; } #ifdef CONFIG_SERIAL_8250 diff --git a/arch/mips/jazz/irq.c b/arch/mips/jazz/irq.c index f8d417b5c2b..295892e4ce5 100644 --- a/arch/mips/jazz/irq.c +++ b/arch/mips/jazz/irq.c @@ -40,7 +40,7 @@ void disable_r4030_irq(unsigned int irq) } static struct irq_chip r4030_irq_type = { - .typename = "R4030", + .name = "R4030", .ack = disable_r4030_irq, .mask = disable_r4030_irq, .mask_ack = disable_r4030_irq, diff --git a/arch/mips/jmr3927/common/prom.c b/arch/mips/jmr3927/common/prom.c index 5d5838f41d2..aa481b774c4 100644 --- a/arch/mips/jmr3927/common/prom.c +++ b/arch/mips/jmr3927/common/prom.c @@ -75,7 +75,6 @@ void __init prom_init_cmdline(void) *cp = '\0'; } -unsigned long __init prom_free_prom_memory(void) +void __init prom_free_prom_memory(void) { - return 0; } diff --git a/arch/mips/jmr3927/rbhma3100/irq.c b/arch/mips/jmr3927/rbhma3100/irq.c index 3da49c5aaf4..7d2c203cb40 100644 --- a/arch/mips/jmr3927/rbhma3100/irq.c +++ b/arch/mips/jmr3927/rbhma3100/irq.c @@ -439,7 +439,7 @@ void __init arch_init_irq(void) } static struct irq_chip jmr3927_irq_controller = { - .typename = "jmr3927_irq", + .name = "jmr3927_irq", .ack = jmr3927_irq_ack, .mask = jmr3927_irq_disable, .mask_ack = jmr3927_irq_ack, diff --git a/arch/mips/jmr3927/rbhma3100/setup.c b/arch/mips/jmr3927/rbhma3100/setup.c index 138f25efe38..7ca3d6d07b3 100644 --- a/arch/mips/jmr3927/rbhma3100/setup.c +++ b/arch/mips/jmr3927/rbhma3100/setup.c @@ -434,7 +434,7 @@ void __init tx3927_setup(void) /* DMA */ tx3927_dmaptr->mcr = 0; - for (i = 0; i < sizeof(tx3927_dmaptr->ch) / sizeof(tx3927_dmaptr->ch[0]); i++) { + for (i = 0; i < ARRAY_SIZE(tx3927_dmaptr->ch); i++) { /* reset channel */ tx3927_dmaptr->ch[i].ccr = TX3927_DMA_CCR_CHRST; tx3927_dmaptr->ch[i].ccr = 0; diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile index bbbb8d7cb89..1bf2c844891 100644 --- a/arch/mips/kernel/Makefile +++ b/arch/mips/kernel/Makefile @@ -14,8 +14,6 @@ binfmt_irix-objs := irixelf.o irixinv.o irixioctl.o irixsig.o \ obj-$(CONFIG_STACKTRACE) += stacktrace.o obj-$(CONFIG_MODULES) += mips_ksyms.o module.o -obj-$(CONFIG_APM) += apm.o - obj-$(CONFIG_CPU_R3000) += r2300_fpu.o r2300_switch.o obj-$(CONFIG_CPU_TX39XX) += r2300_fpu.o r2300_switch.o obj-$(CONFIG_CPU_TX49XX) += r4k_fpu.o r4k_switch.o diff --git a/arch/mips/kernel/apm.c b/arch/mips/kernel/apm.c deleted file mode 100644 index ba16d07588c..00000000000 --- a/arch/mips/kernel/apm.c +++ /dev/null @@ -1,604 +0,0 @@ -/* - * bios-less APM driver for MIPS Linux - * Jamey Hicks <jamey@crl.dec.com> - * adapted from the APM BIOS driver for Linux by Stephen Rothwell (sfr@linuxcare.com) - * - * APM 1.2 Reference: - * Intel Corporation, Microsoft Corporation. Advanced Power Management - * (APM) BIOS Interface Specification, Revision 1.2, February 1996. - * - * [This document is available from Microsoft at: - * http://www.microsoft.com/hwdev/busbios/amp_12.htm] - */ -#include <linux/module.h> -#include <linux/poll.h> -#include <linux/timer.h> -#include <linux/slab.h> -#include <linux/proc_fs.h> -#include <linux/miscdevice.h> -#include <linux/apm_bios.h> -#include <linux/capability.h> -#include <linux/sched.h> -#include <linux/pm.h> -#include <linux/device.h> -#include <linux/kernel.h> -#include <linux/list.h> -#include <linux/init.h> -#include <linux/completion.h> - -#include <asm/apm.h> /* apm_power_info */ -#include <asm/system.h> - -/* - * The apm_bios device is one of the misc char devices. - * This is its minor number. - */ -#define APM_MINOR_DEV 134 - -/* - * See Documentation/Config.help for the configuration options. - * - * Various options can be changed at boot time as follows: - * (We allow underscores for compatibility with the modules code) - * apm=on/off enable/disable APM - */ - -/* - * Maximum number of events stored - */ -#define APM_MAX_EVENTS 16 - -struct apm_queue { - unsigned int event_head; - unsigned int event_tail; - apm_event_t events[APM_MAX_EVENTS]; -}; - -/* - * The per-file APM data - */ -struct apm_user { - struct list_head list; - - unsigned int suser: 1; - unsigned int writer: 1; - unsigned int reader: 1; - - int suspend_result; - unsigned int suspend_state; -#define SUSPEND_NONE 0 /* no suspend pending */ -#define SUSPEND_PENDING 1 /* suspend pending read */ -#define SUSPEND_READ 2 /* suspend read, pending ack */ -#define SUSPEND_ACKED 3 /* suspend acked */ -#define SUSPEND_DONE 4 /* suspend completed */ - - struct apm_queue queue; -}; - -/* - * Local variables - */ -static int suspends_pending; -static int apm_disabled; -static int mips_apm_active; - -static DECLARE_WAIT_QUEUE_HEAD(apm_waitqueue); -static DECLARE_WAIT_QUEUE_HEAD(apm_suspend_waitqueue); - -/* - * This is a list of everyone who has opened /dev/apm_bios - */ -static DECLARE_RWSEM(user_list_lock); -static LIST_HEAD(apm_user_list); - -/* - * kapmd info. kapmd provides us a process context to handle - * "APM" events within - specifically necessary if we're going - * to be suspending the system. - */ -static DECLARE_WAIT_QUEUE_HEAD(kapmd_wait); -static DECLARE_COMPLETION(kapmd_exit); -static DEFINE_SPINLOCK(kapmd_queue_lock); -static struct apm_queue kapmd_queue; - - -static const char driver_version[] = "1.13"; /* no spaces */ - - - -/* - * Compatibility cruft until the IPAQ people move over to the new - * interface. - */ -static void __apm_get_power_status(struct apm_power_info *info) -{ -} - -/* - * This allows machines to provide their own "apm get power status" function. - */ -void (*apm_get_power_status)(struct apm_power_info *) = __apm_get_power_status; -EXPORT_SYMBOL(apm_get_power_status); - - -/* - * APM event queue management. - */ -static inline int queue_empty(struct apm_queue *q) -{ - return q->event_head == q->event_tail; -} - -static inline apm_event_t queue_get_event(struct apm_queue *q) -{ - q->event_tail = (q->event_tail + 1) % APM_MAX_EVENTS; - return q->events[q->event_tail]; -} - -static void queue_add_event(struct apm_queue *q, apm_event_t event) -{ - q->event_head = (q->event_head + 1) % APM_MAX_EVENTS; - if (q->event_head == q->event_tail) { - static int notified; - - if (notified++ == 0) - printk(KERN_ERR "apm: an event queue overflowed\n"); - q->event_tail = (q->event_tail + 1) % APM_MAX_EVENTS; - } - q->events[q->event_head] = event; -} - -static void queue_event_one_user(struct apm_user *as, apm_event_t event) -{ - if (as->suser && as->writer) { - switch (event) { - case APM_SYS_SUSPEND: - case APM_USER_SUSPEND: - /* - * If this user already has a suspend pending, - * don't queue another one. - */ - if (as->suspend_state != SUSPEND_NONE) - return; - - as->suspend_state = SUSPEND_PENDING; - suspends_pending++; - break; - } - } - queue_add_event(&as->queue, event); -} - -static void queue_event(apm_event_t event, struct apm_user *sender) -{ - struct apm_user *as; - - down_read(&user_list_lock); - list_for_each_entry(as, &apm_user_list, list) { - if (as != sender && as->reader) - queue_event_one_user(as, event); - } - up_read(&user_list_lock); - wake_up_interruptible(&apm_waitqueue); -} - -static void apm_suspend(void) -{ - struct apm_user *as; - int err = pm_suspend(PM_SUSPEND_MEM); - - /* - * Anyone on the APM queues will think we're still suspended. - * Send a message so everyone knows we're now awake again. - */ - queue_event(APM_NORMAL_RESUME, NULL); - - /* - * Finally, wake up anyone who is sleeping on the suspend. - */ - down_read(&user_list_lock); - list_for_each_entry(as, &apm_user_list, list) { - as->suspend_result = err; - as->suspend_state = SUSPEND_DONE; - } - up_read(&user_list_lock); - - wake_up(&apm_suspend_waitqueue); -} - -static ssize_t apm_read(struct file *fp, char __user *buf, size_t count, loff_t *ppos) -{ - struct apm_user *as = fp->private_data; - apm_event_t event; - int i = count, ret = 0; - - if (count < sizeof(apm_event_t)) - return -EINVAL; - - if (queue_empty(&as->queue) && fp->f_flags & O_NONBLOCK) - return -EAGAIN; - - wait_event_interruptible(apm_waitqueue, !queue_empty(&as->queue)); - - while ((i >= sizeof(event)) && !queue_empty(&as->queue)) { - event = queue_get_event(&as->queue); - - ret = -EFAULT; - if (copy_to_user(buf, &event, sizeof(event))) - break; - - if (event == APM_SYS_SUSPEND || event == APM_USER_SUSPEND) - as->suspend_state = SUSPEND_READ; - - buf += sizeof(event); - i -= sizeof(event); - } - - if (i < count) - ret = count - i; - - return ret; -} - -static unsigned int apm_poll(struct file *fp, poll_table * wait) -{ - struct apm_user *as = fp->private_data; - - poll_wait(fp, &apm_waitqueue, wait); - return queue_empty(&as->queue) ? 0 : POLLIN | POLLRDNORM; -} - -/* - * apm_ioctl - handle APM ioctl - * - * APM_IOC_SUSPEND - * This IOCTL is overloaded, and performs two functions. It is used to: - * - initiate a suspend - * - acknowledge a suspend read from /dev/apm_bios. - * Only when everyone who has opened /dev/apm_bios with write permission - * has acknowledge does the actual suspend happen. - */ -static int -apm_ioctl(struct inode * inode, struct file *filp, unsigned int cmd, unsigned long arg) -{ - struct apm_user *as = filp->private_data; - unsigned long flags; - int err = -EINVAL; - - if (!as->suser || !as->writer) - return -EPERM; - - switch (cmd) { - case APM_IOC_SUSPEND: - as->suspend_result = -EINTR; - - if (as->suspend_state == SUSPEND_READ) { - /* - * If we read a suspend command from /dev/apm_bios, - * then the corresponding APM_IOC_SUSPEND ioctl is - * interpreted as an acknowledge. - */ - as->suspend_state = SUSPEND_ACKED; - suspends_pending--; - } else { - /* - * Otherwise it is a request to suspend the system. - * Queue an event for all readers, and expect an - * acknowledge from all writers who haven't already - * acknowledged. - */ - queue_event(APM_USER_SUSPEND, as); - } - - /* - * If there are no further acknowledges required, suspend - * the system. - */ - if (suspends_pending == 0) - apm_suspend(); - - /* - * Wait for the suspend/resume to complete. If there are - * pending acknowledges, we wait here for them. - * - * Note that we need to ensure that the PM subsystem does - * not kick us out of the wait when it suspends the threads. - */ - flags = current->flags; - current->flags |= PF_NOFREEZE; - - /* - * Note: do not allow a thread which is acking the suspend - * to escape until the resume is complete. - */ - if (as->suspend_state == SUSPEND_ACKED) - wait_event(apm_suspend_waitqueue, - as->suspend_state == SUSPEND_DONE); - else - wait_event_interruptible(apm_suspend_waitqueue, - as->suspend_state == SUSPEND_DONE); - - current->flags = flags; - err = as->suspend_result; - as->suspend_state = SUSPEND_NONE; - break; - } - - return err; -} - -static int apm_release(struct inode * inode, struct file * filp) -{ - struct apm_user *as = filp->private_data; - filp->private_data = NULL; - - down_write(&user_list_lock); - list_del(&as->list); - up_write(&user_list_lock); - - /* - * We are now unhooked from the chain. As far as new - * events are concerned, we no longer exist. However, we - * need to balance suspends_pending, which means the - * possibility of sleeping. - */ - if (as->suspend_state != SUSPEND_NONE) { - suspends_pending -= 1; - if (suspends_pending == 0) - apm_suspend(); - } - - kfree(as); - return 0; -} - -static int apm_open(struct inode * inode, struct file * filp) -{ - struct apm_user *as; - - as = kzalloc(sizeof(*as), GFP_KERNEL); - if (as) { - /* - * XXX - this is a tiny bit broken, when we consider BSD - * process accounting. If the device is opened by root, we - * instantly flag that we used superuser privs. Who knows, - * we might close the device immediately without doing a - * privileged operation -- cevans - */ - as->suser = capable(CAP_SYS_ADMIN); - as->writer = (filp->f_mode & FMODE_WRITE) == FMODE_WRITE; - as->reader = (filp->f_mode & FMODE_READ) == FMODE_READ; - - down_write(&user_list_lock); - list_add(&as->list, &apm_user_list); - up_write(&user_list_lock); - - filp->private_data = as; - } - - return as ? 0 : -ENOMEM; -} - -static struct file_operations apm_bios_fops = { - .owner = THIS_MODULE, - .read = apm_read, - .poll = apm_poll, - .ioctl = apm_ioctl, - .open = apm_open, - .release = apm_release, -}; - -static struct miscdevice apm_device = { - .minor = APM_MINOR_DEV, - .name = "apm_bios", - .fops = &apm_bios_fops -}; - - -#ifdef CONFIG_PROC_FS -/* - * Arguments, with symbols from linux/apm_bios.h. - * - * 0) Linux driver version (this will change if format changes) - * 1) APM BIOS Version. Usually 1.0, 1.1 or 1.2. - * 2) APM flags from APM Installation Check (0x00): - * bit 0: APM_16_BIT_SUPPORT - * bit 1: APM_32_BIT_SUPPORT - * bit 2: APM_IDLE_SLOWS_CLOCK - * bit 3: APM_BIOS_DISABLED - * bit 4: APM_BIOS_DISENGAGED - * 3) AC line status - * 0x00: Off-line - * 0x01: On-line - * 0x02: On backup power (BIOS >= 1.1 only) - * 0xff: Unknown - * 4) Battery status - * 0x00: High - * 0x01: Low - * 0x02: Critical - * 0x03: Charging - * 0x04: Selected battery not present (BIOS >= 1.2 only) - * 0xff: Unknown - * 5) Battery flag - * bit 0: High - * bit 1: Low - * bit 2: Critical - * bit 3: Charging - * bit 7: No system battery - * 0xff: Unknown - * 6) Remaining battery life (percentage of charge): - * 0-100: valid - * -1: Unknown - * 7) Remaining battery life (time units): - * Number of remaining minutes or seconds - * -1: Unknown - * 8) min = minutes; sec = seconds - */ -static int apm_get_info(char *buf, char **start, off_t fpos, int length) -{ - struct apm_power_info info; - char *units; - int ret; - - info.ac_line_status = 0xff; - info.battery_status = 0xff; - info.battery_flag = 0xff; - info.battery_life = -1; - info.time = -1; - info.units = -1; - - if (apm_get_power_status) - apm_get_power_status(&info); - - switch (info.units) { - default: units = "?"; break; - case 0: units = "min"; break; - case 1: units = "sec"; break; - } - - ret = sprintf(buf, "%s 1.2 0x%02x 0x%02x 0x%02x 0x%02x %d%% %d %s\n", - driver_version, APM_32_BIT_SUPPORT, - info.ac_line_status, info.battery_status, - info.battery_flag, info.battery_life, - info.time, units); - - return ret; -} -#endif - -static int kapmd(void *arg) -{ - daemonize("kapmd"); - current->flags |= PF_NOFREEZE; - - do { - apm_event_t event; - - wait_event_interruptible(kapmd_wait, - !queue_empty(&kapmd_queue) || !mips_apm_active); - - if (!mips_apm_active) - break; - - spin_lock_irq(&kapmd_queue_lock); - event = 0; - if (!queue_empty(&kapmd_queue)) - event = queue_get_event(&kapmd_queue); - spin_unlock_irq(&kapmd_queue_lock); - - switch (event) { - case 0: - break; - - case APM_LOW_BATTERY: - case APM_POWER_STATUS_CHANGE: - queue_event(event, NULL); - break; - - case APM_USER_SUSPEND: - case APM_SYS_SUSPEND: - queue_event(event, NULL); - if (suspends_pending == 0) - apm_suspend(); - break; - - case APM_CRITICAL_SUSPEND: - apm_suspend(); - break; - } - } while (1); - - complete_and_exit(&kapmd_exit, 0); -} - -static int __init apm_init(void) -{ - int ret; - - if (apm_disabled) { - printk(KERN_NOTICE "apm: disabled on user request.\n"); - return -ENODEV; - } - - mips_apm_active = 1; - - ret = kernel_thread(kapmd, NULL, CLONE_KERNEL); - if (ret < 0) { - mips_apm_active = 0; - return ret; - } - -#ifdef CONFIG_PROC_FS - create_proc_info_entry("apm", 0, NULL, apm_get_info); -#endif - - ret = misc_register(&apm_device); - if (ret != 0) { - remove_proc_entry("apm", NULL); - - mips_apm_active = 0; - wake_up(&kapmd_wait); - wait_for_completion(&kapmd_exit); - } - - return ret; -} - -static void __exit apm_exit(void) -{ - misc_deregister(&apm_device); - remove_proc_entry("apm", NULL); - - mips_apm_active = 0; - wake_up(&kapmd_wait); - wait_for_completion(&kapmd_exit); -} - -module_init(apm_init); -module_exit(apm_exit); - -MODULE_AUTHOR("Stephen Rothwell"); -MODULE_DESCRIPTION("Advanced Power Management"); -MODULE_LICENSE("GPL"); - -#ifndef MODULE -static int __init apm_setup(char *str) -{ - while ((str != NULL) && (*str != '\0')) { - if (strncmp(str, "off", 3) == 0) - apm_disabled = 1; - if (strncmp(str, "on", 2) == 0) - apm_disabled = 0; - str = strchr(str, ','); - if (str != NULL) - str += strspn(str, ", \t"); - } - return 1; -} - -__setup("apm=", apm_setup); -#endif - -/** - * apm_queue_event - queue an APM event for kapmd - * @event: APM event - * - * Queue an APM event for kapmd to process and ultimately take the - * appropriate action. Only a subset of events are handled: - * %APM_LOW_BATTERY - * %APM_POWER_STATUS_CHANGE - * %APM_USER_SUSPEND - * %APM_SYS_SUSPEND - * %APM_CRITICAL_SUSPEND - */ -void apm_queue_event(apm_event_t event) -{ - unsigned long flags; - - spin_lock_irqsave(&kapmd_queue_lock, flags); - queue_add_event(&kapmd_queue, event); - spin_unlock_irqrestore(&kapmd_queue_lock, flags); - - wake_up_interruptible(&kapmd_wait); -} -EXPORT_SYMBOL(apm_queue_event); diff --git a/arch/mips/kernel/asm-offsets.c b/arch/mips/kernel/asm-offsets.c index ff88b06f89d..c0b089d4718 100644 --- a/arch/mips/kernel/asm-offsets.c +++ b/arch/mips/kernel/asm-offsets.c @@ -234,10 +234,6 @@ void output_mm_defines(void) constant("#define _PMD_SHIFT ", PMD_SHIFT); constant("#define _PGDIR_SHIFT ", PGDIR_SHIFT); linefeed; - constant("#define _PGD_ORDER ", PGD_ORDER); - constant("#define _PMD_ORDER ", PMD_ORDER); - constant("#define _PTE_ORDER ", PTE_ORDER); - linefeed; constant("#define _PTRS_PER_PGD ", PTRS_PER_PGD); constant("#define _PTRS_PER_PMD ", PTRS_PER_PMD); constant("#define _PTRS_PER_PTE ", PTRS_PER_PTE); @@ -253,7 +249,6 @@ void output_sc_defines(void) offset("#define SC_MDHI ", struct sigcontext, sc_mdhi); offset("#define SC_MDLO ", struct sigcontext, sc_mdlo); offset("#define SC_PC ", struct sigcontext, sc_pc); - offset("#define SC_STATUS ", struct sigcontext, sc_status); offset("#define SC_FPC_CSR ", struct sigcontext, sc_fpc_csr); offset("#define SC_FPC_EIR ", struct sigcontext, sc_fpc_eir); offset("#define SC_HI1 ", struct sigcontext, sc_hi1); diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index 442839e9578..f59ef271d24 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -565,7 +565,7 @@ static inline unsigned int decode_config3(struct cpuinfo_mips *c) if (config3 & MIPS_CONF3_VEIC) c->options |= MIPS_CPU_VEIC; if (config3 & MIPS_CONF3_MT) - c->ases |= MIPS_ASE_MIPSMT; + c->ases |= MIPS_ASE_MIPSMT; return config3 & MIPS_CONF_M; } diff --git a/arch/mips/kernel/gdb-stub.c b/arch/mips/kernel/gdb-stub.c index 719d26968cb..7bc88204926 100644 --- a/arch/mips/kernel/gdb-stub.c +++ b/arch/mips/kernel/gdb-stub.c @@ -505,13 +505,13 @@ void show_gdbregs(struct gdb_regs * regs) */ printk("$0 : %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n", regs->reg0, regs->reg1, regs->reg2, regs->reg3, - regs->reg4, regs->reg5, regs->reg6, regs->reg7); + regs->reg4, regs->reg5, regs->reg6, regs->reg7); printk("$8 : %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n", regs->reg8, regs->reg9, regs->reg10, regs->reg11, - regs->reg12, regs->reg13, regs->reg14, regs->reg15); + regs->reg12, regs->reg13, regs->reg14, regs->reg15); printk("$16: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n", regs->reg16, regs->reg17, regs->reg18, regs->reg19, - regs->reg20, regs->reg21, regs->reg22, regs->reg23); + regs->reg20, regs->reg21, regs->reg22, regs->reg23); printk("$24: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n", regs->reg24, regs->reg25, regs->reg26, regs->reg27, regs->reg28, regs->reg29, regs->reg30, regs->reg31); diff --git a/arch/mips/kernel/head.S b/arch/mips/kernel/head.S index 9a7811d13db..6f57ca44291 100644 --- a/arch/mips/kernel/head.S +++ b/arch/mips/kernel/head.S @@ -231,28 +231,3 @@ NESTED(smp_bootstrap, 16, sp) #endif /* CONFIG_SMP */ __FINIT - - .comm kernelsp, NR_CPUS * 8, 8 - .comm pgd_current, NR_CPUS * 8, 8 - - .comm fw_arg0, SZREG, SZREG # firmware arguments - .comm fw_arg1, SZREG, SZREG - .comm fw_arg2, SZREG, SZREG - .comm fw_arg3, SZREG, SZREG - - .macro page name, order - .comm \name, (_PAGE_SIZE << \order), (_PAGE_SIZE << \order) - .endm - - /* - * On 64-bit we've got three-level pagetables with a slightly - * different layout ... - */ - page swapper_pg_dir, _PGD_ORDER -#ifdef CONFIG_64BIT -#if defined(CONFIG_MODULES) && !defined(CONFIG_BUILD_ELF64) - page module_pg_dir, _PGD_ORDER -#endif - page invalid_pmd_table, _PMD_ORDER -#endif - page invalid_pte_table, _PTE_ORDER diff --git a/arch/mips/kernel/i8259.c b/arch/mips/kernel/i8259.c index b59a676c6d0..b33ba6cd7f5 100644 --- a/arch/mips/kernel/i8259.c +++ b/arch/mips/kernel/i8259.c @@ -54,9 +54,11 @@ static unsigned int cached_irq_mask = 0xffff; void disable_8259A_irq(unsigned int irq) { - unsigned int mask = 1 << irq; + unsigned int mask; unsigned long flags; + irq -= I8259A_IRQ_BASE; + mask = 1 << irq; spin_lock_irqsave(&i8259A_lock, flags); cached_irq_mask |= mask; if (irq & 8) @@ -68,9 +70,11 @@ void disable_8259A_irq(unsigned int irq) void enable_8259A_irq(unsigned int irq) { - unsigned int mask = ~(1 << irq); + unsigned int mask; unsigned long flags; + irq -= I8259A_IRQ_BASE; + mask = ~(1 << irq); spin_lock_irqsave(&i8259A_lock, flags); cached_irq_mask &= mask; if (irq & 8) @@ -82,10 +86,12 @@ void enable_8259A_irq(unsigned int irq) int i8259A_irq_pending(unsigned int irq) { - unsigned int mask = 1 << irq; + unsigned int mask; unsigned long flags; int ret; + irq -= I8259A_IRQ_BASE; + mask = 1 << irq; spin_lock_irqsave(&i8259A_lock, flags); if (irq < 8) ret = inb(PIC_MASTER_CMD) & mask; @@ -134,9 +140,11 @@ static inline int i8259A_irq_real(unsigned int irq) */ void mask_and_ack_8259A(unsigned int irq) { - unsigned int irqmask = 1 << irq; + unsigned int irqmask; unsigned long flags; + irq -= I8259A_IRQ_BASE; + irqmask = 1 << irq; spin_lock_irqsave(&i8259A_lock, flags); /* * Lightweight spurious IRQ detection. We do not want @@ -169,8 +177,8 @@ handle_real_irq: outb(0x60+irq,PIC_MASTER_CMD); /* 'Specific EOI to master */ } #ifdef CONFIG_MIPS_MT_SMTC - if (irq_hwmask[irq] & ST0_IM) - set_c0_status(irq_hwmask[irq] & ST0_IM); + if (irq_hwmask[irq] & ST0_IM) + set_c0_status(irq_hwmask[irq] & ST0_IM); #endif /* CONFIG_MIPS_MT_SMTC */ spin_unlock_irqrestore(&i8259A_lock, flags); return; @@ -322,8 +330,8 @@ void __init init_i8259_irqs (void) init_8259A(0); - for (i = 0; i < 16; i++) + for (i = I8259A_IRQ_BASE; i < I8259A_IRQ_BASE + 16; i++) set_irq_chip_and_handler(i, &i8259A_chip, handle_level_irq); - setup_irq(PIC_CASCADE_IR, &irq2); + setup_irq(I8259A_IRQ_BASE + PIC_CASCADE_IR, &irq2); } diff --git a/arch/mips/kernel/irixelf.c b/arch/mips/kernel/irixelf.c index 37cad5de515..3cc25c05d36 100644 --- a/arch/mips/kernel/irixelf.c +++ b/arch/mips/kernel/irixelf.c @@ -10,6 +10,8 @@ * Copyright (C) 1996 - 2004 David S. Miller <dm@engr.sgi.com> * Copyright (C) 2004 - 2005 Steven J. Hill <sjhill@realitydiluted.com> */ +#undef DEBUG + #include <linux/module.h> #include <linux/fs.h> #include <linux/stat.h> @@ -40,8 +42,6 @@ #include <linux/elf.h> -#undef DEBUG - static int load_irix_binary(struct linux_binprm * bprm, struct pt_regs * regs); static int load_irix_library(struct file *); static int irix_core_dump(long signr, struct pt_regs * regs, @@ -52,72 +52,102 @@ static struct linux_binfmt irix_format = { irix_core_dump, PAGE_SIZE }; -#ifdef DEBUG /* Debugging routines. */ static char *get_elf_p_type(Elf32_Word p_type) { - int i = (int) p_type; - - switch(i) { - case PT_NULL: return("PT_NULL"); break; - case PT_LOAD: return("PT_LOAD"); break; - case PT_DYNAMIC: return("PT_DYNAMIC"); break; - case PT_INTERP: return("PT_INTERP"); break; - case PT_NOTE: return("PT_NOTE"); break; - case PT_SHLIB: return("PT_SHLIB"); break; - case PT_PHDR: return("PT_PHDR"); break; - case PT_LOPROC: return("PT_LOPROC/REGINFO"); break; - case PT_HIPROC: return("PT_HIPROC"); break; - default: return("PT_BOGUS"); break; +#ifdef DEBUG + switch (p_type) { + case PT_NULL: + return "PT_NULL"; + break; + + case PT_LOAD: + return "PT_LOAD"; + break; + + case PT_DYNAMIC: + return "PT_DYNAMIC"; + break; + + case PT_INTERP: + return "PT_INTERP"; + break; + + case PT_NOTE: + return "PT_NOTE"; + break; + + case PT_SHLIB: + return "PT_SHLIB"; + break; + + case PT_PHDR: + return "PT_PHDR"; + break; + + case PT_LOPROC: + return "PT_LOPROC/REGINFO"; + break; + + case PT_HIPROC: + return "PT_HIPROC"; + break; + + default: + return "PT_BOGUS"; + break; } +#endif } static void print_elfhdr(struct elfhdr *ehp) { int i; - printk("ELFHDR: e_ident<"); - for(i = 0; i < (EI_NIDENT - 1); i++) printk("%x ", ehp->e_ident[i]); - printk("%x>\n", ehp->e_ident[i]); - printk(" e_type[%04x] e_machine[%04x] e_version[%08lx]\n", - (unsigned short) ehp->e_type, (unsigned short) ehp->e_machine, - (unsigned long) ehp->e_version); - printk(" e_entry[%08lx] e_phoff[%08lx] e_shoff[%08lx] " - "e_flags[%08lx]\n", - (unsigned long) ehp->e_entry, (unsigned long) ehp->e_phoff, - (unsigned long) ehp->e_shoff, (unsigned long) ehp->e_flags); - printk(" e_ehsize[%04x] e_phentsize[%04x] e_phnum[%04x]\n", - (unsigned short) ehp->e_ehsize, (unsigned short) ehp->e_phentsize, - (unsigned short) ehp->e_phnum); - printk(" e_shentsize[%04x] e_shnum[%04x] e_shstrndx[%04x]\n", - (unsigned short) ehp->e_shentsize, (unsigned short) ehp->e_shnum, - (unsigned short) ehp->e_shstrndx); + pr_debug("ELFHDR: e_ident<"); + for (i = 0; i < (EI_NIDENT - 1); i++) + pr_debug("%x ", ehp->e_ident[i]); + pr_debug("%x>\n", ehp->e_ident[i]); + pr_debug(" e_type[%04x] e_machine[%04x] e_version[%08lx]\n", + (unsigned short) ehp->e_type, (unsigned short) ehp->e_machine, + (unsigned long) ehp->e_version); + pr_debug(" e_entry[%08lx] e_phoff[%08lx] e_shoff[%08lx] " + "e_flags[%08lx]\n", + (unsigned long) ehp->e_entry, (unsigned long) ehp->e_phoff, + (unsigned long) ehp->e_shoff, (unsigned long) ehp->e_flags); + pr_debug(" e_ehsize[%04x] e_phentsize[%04x] e_phnum[%04x]\n", + (unsigned short) ehp->e_ehsize, + (unsigned short) ehp->e_phentsize, + (unsigned short) ehp->e_phnum); + pr_debug(" e_shentsize[%04x] e_shnum[%04x] e_shstrndx[%04x]\n", + (unsigned short) ehp->e_shentsize, + (unsigned short) ehp->e_shnum, + (unsigned short) ehp->e_shstrndx); } static void print_phdr(int i, struct elf_phdr *ep) { - printk("PHDR[%d]: p_type[%s] p_offset[%08lx] p_vaddr[%08lx] " - "p_paddr[%08lx]\n", i, get_elf_p_type(ep->p_type), - (unsigned long) ep->p_offset, (unsigned long) ep->p_vaddr, - (unsigned long) ep->p_paddr); - printk(" p_filesz[%08lx] p_memsz[%08lx] p_flags[%08lx] " - "p_align[%08lx]\n", (unsigned long) ep->p_filesz, - (unsigned long) ep->p_memsz, (unsigned long) ep->p_flags, - (unsigned long) ep->p_align); + pr_debug("PHDR[%d]: p_type[%s] p_offset[%08lx] p_vaddr[%08lx] " + "p_paddr[%08lx]\n", i, get_elf_p_type(ep->p_type), + (unsigned long) ep->p_offset, (unsigned long) ep->p_vaddr, + (unsigned long) ep->p_paddr); + pr_debug(" p_filesz[%08lx] p_memsz[%08lx] p_flags[%08lx] " + "p_align[%08lx]\n", (unsigned long) ep->p_filesz, + (unsigned long) ep->p_memsz, (unsigned long) ep->p_flags, + (unsigned long) ep->p_align); } static void dump_phdrs(struct elf_phdr *ep, int pnum) { int i; - for(i = 0; i < pnum; i++, ep++) { - if((ep->p_type == PT_LOAD) || - (ep->p_type == PT_INTERP) || - (ep->p_type == PT_PHDR)) + for (i = 0; i < pnum; i++, ep++) { + if ((ep->p_type == PT_LOAD) || + (ep->p_type == PT_INTERP) || + (ep->p_type == PT_PHDR)) print_phdr(i, ep); } } -#endif /* DEBUG */ static void set_brk(unsigned long start, unsigned long end) { @@ -156,11 +186,10 @@ static unsigned long * create_irix_tables(char * p, int argc, int envc, elf_addr_t *envp; elf_addr_t *sp, *csp; -#ifdef DEBUG - printk("create_irix_tables: p[%p] argc[%d] envc[%d] " - "load_addr[%08x] interp_load_addr[%08x]\n", - p, argc, envc, load_addr, interp_load_addr); -#endif + pr_debug("create_irix_tables: p[%p] argc[%d] envc[%d] " + "load_addr[%08x] interp_load_addr[%08x]\n", + p, argc, envc, load_addr, interp_load_addr); + sp = (elf_addr_t *) (~15UL & (unsigned long) p); csp = sp; csp -= exec ? DLINFO_ITEMS*2 : 2; @@ -181,7 +210,7 @@ static unsigned long * create_irix_tables(char * p, int argc, int envc, sp -= 2; NEW_AUX_ENT(0, AT_NULL, 0); - if(exec) { + if (exec) { sp -= 11*2; NEW_AUX_ENT (0, AT_PHDR, load_addr + exec->e_phoff); @@ -245,9 +274,7 @@ static unsigned int load_irix_interp(struct elfhdr * interp_elf_ex, last_bss = 0; error = load_addr = 0; -#ifdef DEBUG print_elfhdr(interp_elf_ex); -#endif /* First of all, some simple consistency checks */ if ((interp_elf_ex->e_type != ET_EXEC && @@ -258,7 +285,7 @@ static unsigned int load_irix_interp(struct elfhdr * interp_elf_ex, } /* Now read in all of the header information */ - if(sizeof(struct elf_phdr) * interp_elf_ex->e_phnum > PAGE_SIZE) { + if (sizeof(struct elf_phdr) * interp_elf_ex->e_phnum > PAGE_SIZE) { printk("IRIX interp header bigger than a page (%d)\n", (sizeof(struct elf_phdr) * interp_elf_ex->e_phnum)); return 0xffffffff; @@ -267,15 +294,15 @@ static unsigned int load_irix_interp(struct elfhdr * interp_elf_ex, elf_phdata = kmalloc(sizeof(struct elf_phdr) * interp_elf_ex->e_phnum, GFP_KERNEL); - if(!elf_phdata) { - printk("Cannot kmalloc phdata for IRIX interp.\n"); - return 0xffffffff; + if (!elf_phdata) { + printk("Cannot kmalloc phdata for IRIX interp.\n"); + return 0xffffffff; } /* If the size of this structure has changed, then punt, since * we will be doing the wrong thing. */ - if(interp_elf_ex->e_phentsize != 32) { + if (interp_elf_ex->e_phentsize != 32) { printk("IRIX interp e_phentsize == %d != 32 ", interp_elf_ex->e_phentsize); kfree(elf_phdata); @@ -286,61 +313,71 @@ static unsigned int load_irix_interp(struct elfhdr * interp_elf_ex, (char *) elf_phdata, sizeof(struct elf_phdr) * interp_elf_ex->e_phnum); -#ifdef DEBUG dump_phdrs(elf_phdata, interp_elf_ex->e_phnum); -#endif eppnt = elf_phdata; - for(i=0; i<interp_elf_ex->e_phnum; i++, eppnt++) { - if(eppnt->p_type == PT_LOAD) { - int elf_type = MAP_PRIVATE | MAP_DENYWRITE; - int elf_prot = 0; - unsigned long vaddr = 0; - if (eppnt->p_flags & PF_R) elf_prot = PROT_READ; - if (eppnt->p_flags & PF_W) elf_prot |= PROT_WRITE; - if (eppnt->p_flags & PF_X) elf_prot |= PROT_EXEC; - elf_type |= MAP_FIXED; - vaddr = eppnt->p_vaddr; - - pr_debug("INTERP do_mmap(%p, %08lx, %08lx, %08lx, %08lx, %08lx) ", - interpreter, vaddr, - (unsigned long) (eppnt->p_filesz + (eppnt->p_vaddr & 0xfff)), - (unsigned long) elf_prot, (unsigned long) elf_type, - (unsigned long) (eppnt->p_offset & 0xfffff000)); - down_write(¤t->mm->mmap_sem); - error = do_mmap(interpreter, vaddr, - eppnt->p_filesz + (eppnt->p_vaddr & 0xfff), - elf_prot, elf_type, - eppnt->p_offset & 0xfffff000); - up_write(¤t->mm->mmap_sem); - - if(error < 0 && error > -1024) { - printk("Aieee IRIX interp mmap error=%d\n", error); - break; /* Real error */ - } - pr_debug("error=%08lx ", (unsigned long) error); - if(!load_addr && interp_elf_ex->e_type == ET_DYN) { - load_addr = error; - pr_debug("load_addr = error "); - } - - /* Find the end of the file mapping for this phdr, and keep - * track of the largest address we see for this. - */ - k = eppnt->p_vaddr + eppnt->p_filesz; - if(k > elf_bss) elf_bss = k; - - /* Do the same thing for the memory mapping - between - * elf_bss and last_bss is the bss section. - */ - k = eppnt->p_memsz + eppnt->p_vaddr; - if(k > last_bss) last_bss = k; - pr_debug("\n"); - } + for (i = 0; i < interp_elf_ex->e_phnum; i++, eppnt++) { + if (eppnt->p_type == PT_LOAD) { + int elf_type = MAP_PRIVATE | MAP_DENYWRITE; + int elf_prot = 0; + unsigned long vaddr = 0; + if (eppnt->p_flags & PF_R) + elf_prot = PROT_READ; + if (eppnt->p_flags & PF_W) + elf_prot |= PROT_WRITE; + if (eppnt->p_flags & PF_X) + elf_prot |= PROT_EXEC; + elf_type |= MAP_FIXED; + vaddr = eppnt->p_vaddr; + + pr_debug("INTERP do_mmap" + "(%p, %08lx, %08lx, %08lx, %08lx, %08lx) ", + interpreter, vaddr, + (unsigned long) + (eppnt->p_filesz + (eppnt->p_vaddr & 0xfff)), + (unsigned long) + elf_prot, (unsigned long) elf_type, + (unsigned long) + (eppnt->p_offset & 0xfffff000)); + + down_write(¤t->mm->mmap_sem); + error = do_mmap(interpreter, vaddr, + eppnt->p_filesz + (eppnt->p_vaddr & 0xfff), + elf_prot, elf_type, + eppnt->p_offset & 0xfffff000); + up_write(¤t->mm->mmap_sem); + + if (error < 0 && error > -1024) { + printk("Aieee IRIX interp mmap error=%d\n", + error); + break; /* Real error */ + } + pr_debug("error=%08lx ", (unsigned long) error); + if (!load_addr && interp_elf_ex->e_type == ET_DYN) { + load_addr = error; + pr_debug("load_addr = error "); + } + + /* + * Find the end of the file mapping for this phdr, and + * keep track of the largest address we see for this. + */ + k = eppnt->p_vaddr + eppnt->p_filesz; + if (k > elf_bss) + elf_bss = k; + + /* Do the same thing for the memory mapping - between + * elf_bss and last_bss is the bss section. + */ + k = eppnt->p_memsz + eppnt->p_vaddr; + if (k > last_bss) + last_bss = k; + pr_debug("\n"); + } } /* Now use mmap to map the library into memory. */ - if(error < 0 && error > -1024) { + if (error < 0 && error > -1024) { pr_debug("got error %d\n", error); kfree(elf_phdata); return 0xffffffff; @@ -377,7 +414,7 @@ static int verify_binary(struct elfhdr *ehp, struct linux_binprm *bprm) return -ENOEXEC; /* First of all, some simple consistency checks */ - if((ehp->e_type != ET_EXEC && ehp->e_type != ET_DYN) || + if ((ehp->e_type != ET_EXEC && ehp->e_type != ET_DYN) || !bprm->file->f_op->mmap) { return -ENOEXEC; } @@ -388,7 +425,7 @@ static int verify_binary(struct elfhdr *ehp, struct linux_binprm *bprm) * XXX all registers as 64bits on cpu's capable of this at * XXX exception time plus frob the XTLB exception vector. */ - if((ehp->e_flags & EF_MIPS_ABI2)) + if ((ehp->e_flags & EF_MIPS_ABI2)) return -ENOEXEC; return 0; @@ -410,7 +447,7 @@ static inline int look_for_irix_interpreter(char **name, struct file *file = NULL; *name = NULL; - for(i = 0; i < pnum; i++, epp++) { + for (i = 0; i < pnum; i++, epp++) { if (epp->p_type != PT_INTERP) continue; @@ -467,8 +504,8 @@ static inline void map_executable(struct file *fp, struct elf_phdr *epp, int pnu unsigned int tmp; int i, prot; - for(i = 0; i < pnum; i++, epp++) { - if(epp->p_type != PT_LOAD) + for (i = 0; i < pnum; i++, epp++) { + if (epp->p_type != PT_LOAD) continue; /* Map it. */ @@ -483,23 +520,23 @@ static inline void map_executable(struct file *fp, struct elf_phdr *epp, int pnu up_write(¤t->mm->mmap_sem); /* Fixup location tracking vars. */ - if((epp->p_vaddr & 0xfffff000) < *estack) + if ((epp->p_vaddr & 0xfffff000) < *estack) *estack = (epp->p_vaddr & 0xfffff000); - if(!*laddr) + if (!*laddr) *laddr = epp->p_vaddr - epp->p_offset; - if(epp->p_vaddr < *scode) + if (epp->p_vaddr < *scode) *scode = epp->p_vaddr; tmp = epp->p_vaddr + epp->p_filesz; - if(tmp > *ebss) + if (tmp > *ebss) *ebss = tmp; - if((epp->p_flags & PF_X) && *ecode < tmp) + if ((epp->p_flags & PF_X) && *ecode < tmp) *ecode = tmp; - if(*edata < tmp) + if (*edata < tmp) *edata = tmp; tmp = epp->p_vaddr + epp->p_memsz; - if(tmp > *ebrk) + if (tmp > *ebrk) *ebrk = tmp; } @@ -513,12 +550,12 @@ static inline int map_interpreter(struct elf_phdr *epp, struct elfhdr *ihp, int i; *eentry = 0xffffffff; - for(i = 0; i < pnum; i++, epp++) { - if(epp->p_type != PT_INTERP) + for (i = 0; i < pnum; i++, epp++) { + if (epp->p_type != PT_INTERP) continue; /* We should have fielded this error elsewhere... */ - if(*eentry != 0xffffffff) + if (*eentry != 0xffffffff) return -1; set_fs(old_fs); @@ -604,9 +641,7 @@ static int load_irix_binary(struct linux_binprm * bprm, struct pt_regs * regs) if (elf_ex.e_shnum > 20) goto out; -#ifdef DEBUG print_elfhdr(&elf_ex); -#endif /* Now read in all of the header information */ size = elf_ex.e_phentsize * elf_ex.e_phnum; @@ -622,13 +657,11 @@ static int load_irix_binary(struct linux_binprm * bprm, struct pt_regs * regs) if (retval < 0) goto out_free_ph; -#ifdef DEBUG dump_phdrs(elf_phdata, elf_ex.e_phnum); -#endif /* Set some things for later. */ - for(i = 0; i < elf_ex.e_phnum; i++) { - switch(elf_phdata[i].p_type) { + for (i = 0; i < elf_ex.e_phnum; i++) { + switch (elf_phdata[i].p_type) { case PT_INTERP: has_interp = 1; elf_ihdr = &elf_phdata[i]; @@ -667,7 +700,7 @@ static int load_irix_binary(struct linux_binprm * bprm, struct pt_regs * regs) if (elf_interpreter) { retval = verify_irix_interpreter(&interp_elf_ex); - if(retval) + if (retval) goto out_free_interp; } @@ -706,12 +739,12 @@ static int load_irix_binary(struct linux_binprm * bprm, struct pt_regs * regs) &load_addr, &start_code, &elf_bss, &end_code, &end_data, &elf_brk); - if(elf_interpreter) { + if (elf_interpreter) { retval = map_interpreter(elf_phdata, &interp_elf_ex, interpreter, &interp_load_addr, elf_ex.e_phnum, old_fs, &elf_entry); kfree(elf_interpreter); - if(retval) { + if (retval) { set_fs(old_fs); printk("Unable to load IRIX ELF interpreter\n"); send_sig(SIGSEGV, current, 0); @@ -809,12 +842,12 @@ static int load_irix_library(struct file *file) return -ENOEXEC; /* First of all, some simple consistency checks. */ - if(elf_ex.e_type != ET_EXEC || elf_ex.e_phnum > 2 || + if (elf_ex.e_type != ET_EXEC || elf_ex.e_phnum > 2 || !file->f_op->mmap) return -ENOEXEC; /* Now read in all of the header information. */ - if(sizeof(struct elf_phdr) * elf_ex.e_phnum > PAGE_SIZE) + if (sizeof(struct elf_phdr) * elf_ex.e_phnum > PAGE_SIZE) return -ENOEXEC; elf_phdata = kmalloc(sizeof(struct elf_phdr) * elf_ex.e_phnum, GFP_KERNEL); @@ -825,15 +858,15 @@ static int load_irix_library(struct file *file) sizeof(struct elf_phdr) * elf_ex.e_phnum); j = 0; - for(i=0; i<elf_ex.e_phnum; i++) - if((elf_phdata + i)->p_type == PT_LOAD) j++; + for (i=0; i<elf_ex.e_phnum; i++) + if ((elf_phdata + i)->p_type == PT_LOAD) j++; - if(j != 1) { + if (j != 1) { kfree(elf_phdata); return -ENOEXEC; } - while(elf_phdata->p_type != PT_LOAD) elf_phdata++; + while (elf_phdata->p_type != PT_LOAD) elf_phdata++; /* Now use mmap to map the library into memory. */ down_write(¤t->mm->mmap_sem); @@ -889,9 +922,7 @@ unsigned long irix_mapelf(int fd, struct elf_phdr __user *user_phdrp, int cnt) return -EFAULT; } -#ifdef DEBUG dump_phdrs(user_phdrp, cnt); -#endif for (i = 0; i < cnt; i++, hp++) { if (__get_user(type, &hp->p_type)) @@ -905,14 +936,14 @@ unsigned long irix_mapelf(int fd, struct elf_phdr __user *user_phdrp, int cnt) filp = fget(fd); if (!filp) return -EACCES; - if(!filp->f_op) { + if (!filp->f_op) { printk("irix_mapelf: Bogon filp!\n"); fput(filp); return -EACCES; } hp = user_phdrp; - for(i = 0; i < cnt; i++, hp++) { + for (i = 0; i < cnt; i++, hp++) { int prot; retval = __get_user(vaddr, &hp->p_vaddr); @@ -1015,8 +1046,6 @@ static int notesize(struct memelfnote *en) return sz; } -/* #define DEBUG */ - #define DUMP_WRITE(addr, nr) \ if (!dump_write(file, (addr), (nr))) \ goto end_coredump; @@ -1093,9 +1122,7 @@ static int irix_core_dump(long signr, struct pt_regs * regs, struct file *file) segs++; } -#ifdef DEBUG - printk("irix_core_dump: %d segs taking %d bytes\n", segs, size); -#endif + pr_debug("irix_core_dump: %d segs taking %d bytes\n", segs, size); /* Set up header. */ memcpy(elf.e_ident, ELFMAG, SELFMAG); @@ -1221,7 +1248,7 @@ static int irix_core_dump(long signr, struct pt_regs * regs, struct file *file) struct elf_phdr phdr; int sz = 0; - for(i = 0; i < numnote; i++) + for (i = 0; i < numnote; i++) sz += notesize(¬es[i]); phdr.p_type = PT_NOTE; @@ -1241,7 +1268,7 @@ static int irix_core_dump(long signr, struct pt_regs * regs, struct file *file) dataoff = offset = roundup(offset, PAGE_SIZE); /* Write program headers for segments dump. */ - for(vma = current->mm->mmap, i = 0; + for (vma = current->mm->mmap, i = 0; i < segs && vma != NULL; vma = vma->vm_next) { struct elf_phdr phdr; size_t sz; @@ -1267,7 +1294,7 @@ static int irix_core_dump(long signr, struct pt_regs * regs, struct file *file) DUMP_WRITE(&phdr, sizeof(phdr)); } - for(i = 0; i < numnote; i++) + for (i = 0; i < numnote; i++) if (!writenote(¬es[i], file)) goto end_coredump; @@ -1275,7 +1302,7 @@ static int irix_core_dump(long signr, struct pt_regs * regs, struct file *file) DUMP_SEEK(dataoff); - for(i = 0, vma = current->mm->mmap; + for (i = 0, vma = current->mm->mmap; i < segs && vma != NULL; vma = vma->vm_next) { unsigned long addr = vma->vm_start; @@ -1284,9 +1311,7 @@ static int irix_core_dump(long signr, struct pt_regs * regs, struct file *file) if (!maydump(vma)) continue; i++; -#ifdef DEBUG - printk("elf_core_dump: writing %08lx %lx\n", addr, len); -#endif + pr_debug("elf_core_dump: writing %08lx %lx\n", addr, len); DUMP_WRITE((void __user *)addr, len); } diff --git a/arch/mips/kernel/irq-msc01.c b/arch/mips/kernel/irq-msc01.c index bcaad669608..2967537221e 100644 --- a/arch/mips/kernel/irq-msc01.c +++ b/arch/mips/kernel/irq-msc01.c @@ -112,7 +112,7 @@ msc_bind_eic_interrupt (unsigned int irq, unsigned int set) } struct irq_chip msc_levelirq_type = { - .typename = "SOC-it-Level", + .name = "SOC-it-Level", .ack = level_mask_and_ack_msc_irq, .mask = mask_msc_irq, .mask_ack = level_mask_and_ack_msc_irq, @@ -122,7 +122,7 @@ struct irq_chip msc_levelirq_type = { }; struct irq_chip msc_edgeirq_type = { - .typename = "SOC-it-Edge", + .name = "SOC-it-Edge", .ack = edge_mask_and_ack_msc_irq, .mask = mask_msc_irq, .mask_ack = edge_mask_and_ack_msc_irq, diff --git a/arch/mips/kernel/irq-mv6434x.c b/arch/mips/kernel/irq-mv6434x.c index efbd219845b..3dd561832e4 100644 --- a/arch/mips/kernel/irq-mv6434x.c +++ b/arch/mips/kernel/irq-mv6434x.c @@ -23,13 +23,13 @@ static unsigned int irq_base; static inline int ls1bit32(unsigned int x) { - int b = 31, s; + int b = 31, s; - s = 16; if (x << 16 == 0) s = 0; b -= s; x <<= s; - s = 8; if (x << 8 == 0) s = 0; b -= s; x <<= s; - s = 4; if (x << 4 == 0) s = 0; b -= s; x <<= s; - s = 2; if (x << 2 == 0) s = 0; b -= s; x <<= s; - s = 1; if (x << 1 == 0) s = 0; b -= s; + s = 16; if (x << 16 == 0) s = 0; b -= s; x <<= s; + s = 8; if (x << 8 == 0) s = 0; b -= s; x <<= s; + s = 4; if (x << 4 == 0) s = 0; b -= s; x <<= s; + s = 2; if (x << 2 == 0) s = 0; b -= s; x <<= s; + s = 1; if (x << 1 == 0) s = 0; b -= s; return b; } @@ -92,7 +92,7 @@ void ll_mv64340_irq(void) } struct irq_chip mv64340_irq_type = { - .typename = "MV-64340", + .name = "MV-64340", .ack = mask_mv64340_irq, .mask = mask_mv64340_irq, .mask_ack = mask_mv64340_irq, diff --git a/arch/mips/kernel/irq-rm7000.c b/arch/mips/kernel/irq-rm7000.c index 123324ba8c1..25073288348 100644 --- a/arch/mips/kernel/irq-rm7000.c +++ b/arch/mips/kernel/irq-rm7000.c @@ -17,28 +17,27 @@ #include <asm/mipsregs.h> #include <asm/system.h> -static int irq_base; - static inline void unmask_rm7k_irq(unsigned int irq) { - set_c0_intcontrol(0x100 << (irq - irq_base)); + set_c0_intcontrol(0x100 << (irq - RM7K_CPU_IRQ_BASE)); } static inline void mask_rm7k_irq(unsigned int irq) { - clear_c0_intcontrol(0x100 << (irq - irq_base)); + clear_c0_intcontrol(0x100 << (irq - RM7K_CPU_IRQ_BASE)); } static struct irq_chip rm7k_irq_controller = { - .typename = "RM7000", + .name = "RM7000", .ack = mask_rm7k_irq, .mask = mask_rm7k_irq, .mask_ack = mask_rm7k_irq, .unmask = unmask_rm7k_irq, }; -void __init rm7k_cpu_irq_init(int base) +void __init rm7k_cpu_irq_init(void) { + int base = RM7K_CPU_IRQ_BASE; int i; clear_c0_intcontrol(0x00000f00); /* Mask all */ @@ -46,6 +45,4 @@ void __init rm7k_cpu_irq_init(int base) for (i = base; i < base + 4; i++) set_irq_chip_and_handler(i, &rm7k_irq_controller, handle_level_irq); - - irq_base = base; } diff --git a/arch/mips/kernel/irq-rm9000.c b/arch/mips/kernel/irq-rm9000.c index 0e6f4c5349d..ae83d2df6f3 100644 --- a/arch/mips/kernel/irq-rm9000.c +++ b/arch/mips/kernel/irq-rm9000.c @@ -18,16 +18,14 @@ #include <asm/mipsregs.h> #include <asm/system.h> -static int irq_base; - static inline void unmask_rm9k_irq(unsigned int irq) { - set_c0_intcontrol(0x1000 << (irq - irq_base)); + set_c0_intcontrol(0x1000 << (irq - RM9K_CPU_IRQ_BASE)); } static inline void mask_rm9k_irq(unsigned int irq) { - clear_c0_intcontrol(0x1000 << (irq - irq_base)); + clear_c0_intcontrol(0x1000 << (irq - RM9K_CPU_IRQ_BASE)); } static inline void rm9k_cpu_irq_enable(unsigned int irq) @@ -39,15 +37,6 @@ static inline void rm9k_cpu_irq_enable(unsigned int irq) local_irq_restore(flags); } -static void rm9k_cpu_irq_disable(unsigned int irq) -{ - unsigned long flags; - - local_irq_save(flags); - mask_rm9k_irq(irq); - local_irq_restore(flags); -} - /* * Performance counter interrupts are global on all processors. */ @@ -81,7 +70,7 @@ static void rm9k_perfcounter_irq_shutdown(unsigned int irq) } static struct irq_chip rm9k_irq_controller = { - .typename = "RM9000", + .name = "RM9000", .ack = mask_rm9k_irq, .mask = mask_rm9k_irq, .mask_ack = mask_rm9k_irq, @@ -89,7 +78,7 @@ static struct irq_chip rm9k_irq_controller = { }; static struct irq_chip rm9k_perfcounter_irq = { - .typename = "RM9000", + .name = "RM9000", .startup = rm9k_perfcounter_irq_startup, .shutdown = rm9k_perfcounter_irq_shutdown, .ack = mask_rm9k_irq, @@ -102,8 +91,9 @@ unsigned int rm9000_perfcount_irq; EXPORT_SYMBOL(rm9000_perfcount_irq); -void __init rm9k_cpu_irq_init(int base) +void __init rm9k_cpu_irq_init(void) { + int base = RM9K_CPU_IRQ_BASE; int i; clear_c0_intcontrol(0x0000f000); /* Mask all */ @@ -115,6 +105,4 @@ void __init rm9k_cpu_irq_init(int base) rm9000_perfcount_irq = base + 1; set_irq_chip_and_handler(rm9000_perfcount_irq, &rm9k_perfcounter_irq, handle_level_irq); - - irq_base = base; } diff --git a/arch/mips/kernel/irq_cpu.c b/arch/mips/kernel/irq_cpu.c index fcc86b96ccf..7b66e03b589 100644 --- a/arch/mips/kernel/irq_cpu.c +++ b/arch/mips/kernel/irq_cpu.c @@ -25,7 +25,7 @@ * Don't even think about using this on SMP. You have been warned. * * This file exports one global function: - * void mips_cpu_irq_init(int irq_base); + * void mips_cpu_irq_init(void); */ #include <linux/init.h> #include <linux/interrupt.h> @@ -36,22 +36,20 @@ #include <asm/mipsmtregs.h> #include <asm/system.h> -static int mips_cpu_irq_base; - static inline void unmask_mips_irq(unsigned int irq) { - set_c0_status(0x100 << (irq - mips_cpu_irq_base)); + set_c0_status(0x100 << (irq - MIPS_CPU_IRQ_BASE)); irq_enable_hazard(); } static inline void mask_mips_irq(unsigned int irq) { - clear_c0_status(0x100 << (irq - mips_cpu_irq_base)); + clear_c0_status(0x100 << (irq - MIPS_CPU_IRQ_BASE)); irq_disable_hazard(); } static struct irq_chip mips_cpu_irq_controller = { - .typename = "MIPS", + .name = "MIPS", .ack = mask_mips_irq, .mask = mask_mips_irq, .mask_ack = mask_mips_irq, @@ -70,7 +68,7 @@ static unsigned int mips_mt_cpu_irq_startup(unsigned int irq) { unsigned int vpflags = dvpe(); - clear_c0_cause(0x100 << (irq - mips_cpu_irq_base)); + clear_c0_cause(0x100 << (irq - MIPS_CPU_IRQ_BASE)); evpe(vpflags); unmask_mips_mt_irq(irq); @@ -84,13 +82,13 @@ static unsigned int mips_mt_cpu_irq_startup(unsigned int irq) static void mips_mt_cpu_irq_ack(unsigned int irq) { unsigned int vpflags = dvpe(); - clear_c0_cause(0x100 << (irq - mips_cpu_irq_base)); + clear_c0_cause(0x100 << (irq - MIPS_CPU_IRQ_BASE)); evpe(vpflags); mask_mips_mt_irq(irq); } static struct irq_chip mips_mt_cpu_irq_controller = { - .typename = "MIPS", + .name = "MIPS", .startup = mips_mt_cpu_irq_startup, .ack = mips_mt_cpu_irq_ack, .mask = mask_mips_mt_irq, @@ -99,8 +97,9 @@ static struct irq_chip mips_mt_cpu_irq_controller = { .eoi = unmask_mips_mt_irq, }; -void __init mips_cpu_irq_init(int irq_base) +void __init mips_cpu_irq_init(void) { + int irq_base = MIPS_CPU_IRQ_BASE; int i; /* Mask interrupts. */ @@ -118,6 +117,4 @@ void __init mips_cpu_irq_init(int irq_base) for (i = irq_base + 2; i < irq_base + 8; i++) set_irq_chip_and_handler(i, &mips_cpu_irq_controller, handle_level_irq); - - mips_cpu_irq_base = irq_base; } diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c index de3fae260ff..ca7ad78f4de 100644 --- a/arch/mips/kernel/linux32.c +++ b/arch/mips/kernel/linux32.c @@ -193,50 +193,6 @@ sysn32_waitid(int which, compat_pid_t pid, return ret; } -struct sysinfo32 { - s32 uptime; - u32 loads[3]; - u32 totalram; - u32 freeram; - u32 sharedram; - u32 bufferram; - u32 totalswap; - u32 freeswap; - u16 procs; - u32 totalhigh; - u32 freehigh; - u32 mem_unit; - char _f[8]; -}; - -asmlinkage int sys32_sysinfo(struct sysinfo32 __user *info) -{ - struct sysinfo s; - int ret, err; - mm_segment_t old_fs = get_fs (); - - set_fs (KERNEL_DS); - ret = sys_sysinfo((struct sysinfo __user *)&s); - set_fs (old_fs); - err = put_user (s.uptime, &info->uptime); - err |= __put_user (s.loads[0], &info->loads[0]); - err |= __put_user (s.loads[1], &info->loads[1]); - err |= __put_user (s.loads[2], &info->loads[2]); - err |= __put_user (s.totalram, &info->totalram); - err |= __put_user (s.freeram, &info->freeram); - err |= __put_user (s.sharedram, &info->sharedram); - err |= __put_user (s.bufferram, &info->bufferram); - err |= __put_user (s.totalswap, &info->totalswap); - err |= __put_user (s.freeswap, &info->freeswap); - err |= __put_user (s.procs, &info->procs); - err |= __put_user (s.totalhigh, &info->totalhigh); - err |= __put_user (s.freehigh, &info->freehigh); - err |= __put_user (s.mem_unit, &info->mem_unit); - if (err) - return -EFAULT; - return ret; -} - #define RLIM_INFINITY32 0x7fffffff #define RESOURCE32(x) ((x > RLIM_INFINITY32) ? RLIM_INFINITY32 : x) @@ -558,7 +514,7 @@ extern asmlinkage long sys_ustat(dev_t dev, struct ustat __user * ubuf); asmlinkage int sys32_ustat(dev_t dev, struct ustat32 __user * ubuf32) { int err; - struct ustat tmp; + struct ustat tmp; struct ustat32 tmp32; mm_segment_t old_fs = get_fs(); @@ -569,11 +525,11 @@ asmlinkage int sys32_ustat(dev_t dev, struct ustat32 __user * ubuf32) if (err) goto out; - memset(&tmp32,0,sizeof(struct ustat32)); - tmp32.f_tfree = tmp.f_tfree; - tmp32.f_tinode = tmp.f_tinode; + memset(&tmp32,0,sizeof(struct ustat32)); + tmp32.f_tfree = tmp.f_tfree; + tmp32.f_tinode = tmp.f_tinode; - err = copy_to_user(ubuf32,&tmp32,sizeof(struct ustat32)) ? -EFAULT : 0; + err = copy_to_user(ubuf32,&tmp32,sizeof(struct ustat32)) ? -EFAULT : 0; out: return err; diff --git a/arch/mips/kernel/mips-mt.c b/arch/mips/kernel/mips-mt.c index c1373a6e668..ba01800b601 100644 --- a/arch/mips/kernel/mips-mt.c +++ b/arch/mips/kernel/mips-mt.c @@ -3,9 +3,11 @@ * Copyright (C) 2005 Mips Technologies, Inc */ +#include <linux/device.h> #include <linux/kernel.h> #include <linux/sched.h> #include <linux/cpumask.h> +#include <linux/module.h> #include <linux/interrupt.h> #include <linux/security.h> @@ -96,6 +98,10 @@ asmlinkage long mipsmt_sys_sched_setaffinity(pid_t pid, unsigned int len, goto out_unlock; } + retval = security_task_setscheduler(p, 0, NULL); + if (retval) + goto out_unlock; + /* Record new user-specified CPU set for future reference */ p->thread.user_cpus_allowed = new_mask; @@ -141,8 +147,9 @@ asmlinkage long mipsmt_sys_sched_getaffinity(pid_t pid, unsigned int len, p = find_process_by_pid(pid); if (!p) goto out_unlock; - - retval = 0; + retval = security_task_getscheduler(p); + if (retval) + goto out_unlock; cpus_and(mask, p->thread.user_cpus_allowed, cpu_possible_map); @@ -448,3 +455,20 @@ void mt_cflush_release(void) #endif /* CONFIG_MIPS_MT_SMTC */ /* FILL IN VSMP and AP/SP VERSIONS HERE */ } + +struct class *mt_class; + +static int __init mt_init(void) +{ + struct class *mtc; + + mtc = class_create(THIS_MODULE, "mt"); + if (IS_ERR(mtc)) + return PTR_ERR(mtc); + + mt_class = mtc; + + return 0; +} + +subsys_initcall(mt_init); diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c index 4ed37ba1973..5ddc2e9deec 100644 --- a/arch/mips/kernel/proc.c +++ b/arch/mips/kernel/proc.c @@ -31,13 +31,13 @@ static const char *cpu_name[] = { [CPU_R4000PC] = "R4000PC", [CPU_R4000SC] = "R4000SC", [CPU_R4000MC] = "R4000MC", - [CPU_R4200] = "R4200", + [CPU_R4200] = "R4200", [CPU_R4400PC] = "R4400PC", [CPU_R4400SC] = "R4400SC", [CPU_R4400MC] = "R4400MC", [CPU_R4600] = "R4600", [CPU_R6000] = "R6000", - [CPU_R6000A] = "R6000A", + [CPU_R6000A] = "R6000A", [CPU_R8000] = "R8000", [CPU_R10000] = "R10000", [CPU_R12000] = "R12000", @@ -46,14 +46,14 @@ static const char *cpu_name[] = { [CPU_R4650] = "R4650", [CPU_R4700] = "R4700", [CPU_R5000] = "R5000", - [CPU_R5000A] = "R5000A", + [CPU_R5000A] = "R5000A", [CPU_R4640] = "R4640", [CPU_NEVADA] = "Nevada", [CPU_RM7000] = "RM7000", [CPU_RM9000] = "RM9000", [CPU_R5432] = "R5432", [CPU_4KC] = "MIPS 4Kc", - [CPU_5KC] = "MIPS 5Kc", + [CPU_5KC] = "MIPS 5Kc", [CPU_R4310] = "R4310", [CPU_SB1] = "SiByte SB1", [CPU_SB1A] = "SiByte SB1A", diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index ec8209f3a0c..04e5b38d327 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -41,10 +41,6 @@ #include <asm/isadep.h> #include <asm/inst.h> #include <asm/stacktrace.h> -#ifdef CONFIG_MIPS_MT_SMTC -#include <asm/mipsmtregs.h> -extern void smtc_idle_loop_hook(void); -#endif /* CONFIG_MIPS_MT_SMTC */ /* * The idle thread. There's no useful work to be done, so just try to conserve @@ -57,6 +53,8 @@ ATTRIB_NORET void cpu_idle(void) while (1) { while (!need_resched()) { #ifdef CONFIG_MIPS_MT_SMTC + extern void smtc_idle_loop_hook(void); + smtc_idle_loop_hook(); #endif /* CONFIG_MIPS_MT_SMTC */ if (cpu_wait) diff --git a/arch/mips/kernel/r4k_fpu.S b/arch/mips/kernel/r4k_fpu.S index 880fa6e841e..59c1577ecbb 100644 --- a/arch/mips/kernel/r4k_fpu.S +++ b/arch/mips/kernel/r4k_fpu.S @@ -114,6 +114,14 @@ LEAF(_save_fp_context32) */ LEAF(_restore_fp_context) EX lw t0, SC_FPC_CSR(a0) + + /* Fail if the CSR has exceptions pending */ + srl t1, t0, 5 + and t1, t0 + andi t1, 0x1f << 7 + bnez t1, fault + nop + #ifdef CONFIG_64BIT EX ldc1 $f1, SC_FPREGS+8(a0) EX ldc1 $f3, SC_FPREGS+24(a0) @@ -157,6 +165,14 @@ LEAF(_restore_fp_context) LEAF(_restore_fp_context32) /* Restore an o32 sigcontext. */ EX lw t0, SC32_FPC_CSR(a0) + + /* Fail if the CSR has exceptions pending */ + srl t1, t0, 5 + and t1, t0 + andi t1, 0x1f << 7 + bnez t1, fault + nop + EX ldc1 $f0, SC32_FPREGS+0(a0) EX ldc1 $f2, SC32_FPREGS+16(a0) EX ldc1 $f4, SC32_FPREGS+32(a0) @@ -177,9 +193,10 @@ LEAF(_restore_fp_context32) jr ra li v0, 0 # success END(_restore_fp_context32) - .set reorder #endif + .set reorder + .type fault@function .ent fault fault: li v0, -EFAULT # failure diff --git a/arch/mips/kernel/rtlx.c b/arch/mips/kernel/rtlx.c index 5a99e3e0c96..d92c48e0d7a 100644 --- a/arch/mips/kernel/rtlx.c +++ b/arch/mips/kernel/rtlx.c @@ -17,6 +17,7 @@ * */ +#include <linux/device.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/fs.h> @@ -34,6 +35,7 @@ #include <linux/sched.h> #include <linux/wait.h> #include <asm/mipsmtregs.h> +#include <asm/mips_mt.h> #include <asm/cacheflush.h> #include <asm/atomic.h> #include <asm/cpu.h> @@ -63,7 +65,7 @@ extern void *vpe_get_shared(int index); static void rtlx_dispatch(void) { - do_IRQ(MIPSCPU_INT_BASE + MIPS_CPU_RTLX_IRQ); + do_IRQ(MIPS_CPU_IRQ_BASE + MIPS_CPU_RTLX_IRQ); } @@ -476,7 +478,7 @@ static ssize_t file_write(struct file *file, const char __user * buffer, return rtlx_write(minor, (void *)buffer, count, 1); } -static struct file_operations rtlx_fops = { +static const struct file_operations rtlx_fops = { .owner = THIS_MODULE, .open = file_open, .release = file_release, @@ -491,14 +493,15 @@ static struct irqaction rtlx_irq = { .name = "RTLX", }; -static int rtlx_irq_num = MIPSCPU_INT_BASE + MIPS_CPU_RTLX_IRQ; +static int rtlx_irq_num = MIPS_CPU_IRQ_BASE + MIPS_CPU_RTLX_IRQ; static char register_chrdev_failed[] __initdata = KERN_ERR "rtlx_module_init: unable to register device\n"; static int rtlx_module_init(void) { - int i; + struct device *dev; + int i, err; major = register_chrdev(0, module_name, &rtlx_fops); if (major < 0) { @@ -511,6 +514,13 @@ static int rtlx_module_init(void) init_waitqueue_head(&channel_wqs[i].rt_queue); init_waitqueue_head(&channel_wqs[i].lx_queue); channel_wqs[i].in_open = 0; + + dev = device_create(mt_class, NULL, MKDEV(major, i), + "%s%d", module_name, i); + if (IS_ERR(dev)) { + err = PTR_ERR(dev); + goto out_chrdev; + } } /* set up notifiers */ @@ -525,10 +535,21 @@ static int rtlx_module_init(void) setup_irq(rtlx_irq_num, &rtlx_irq); return 0; + +out_chrdev: + for (i = 0; i < RTLX_CHANNELS; i++) + device_destroy(mt_class, MKDEV(major, i)); + + return err; } static void __exit rtlx_module_exit(void) { + int i; + + for (i = 0; i < RTLX_CHANNELS; i++) + device_destroy(mt_class, MKDEV(major, i)); + unregister_chrdev(major, module_name); } diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index a7bff2a5472..ee8802b5975 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -217,7 +217,7 @@ EXPORT(sysn32_call_table) PTR sys32_gettimeofday PTR compat_sys_getrlimit /* 6095 */ PTR compat_sys_getrusage - PTR sys32_sysinfo + PTR compat_sys_sysinfo PTR compat_sys_times PTR sys32_ptrace PTR sys_getuid /* 6100 */ @@ -384,7 +384,7 @@ EXPORT(sysn32_call_table) PTR sys_readlinkat PTR sys_fchmodat PTR sys_faccessat - PTR sys_pselect6 + PTR compat_sys_pselect6 PTR sys_ppoll /* 6265 */ PTR sys_unshare PTR sys_splice diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index e91379c1be1..c5f590ca99b 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -321,7 +321,7 @@ sys_call_table: PTR sys_ni_syscall /* sys_vm86 */ PTR compat_sys_wait4 PTR sys_swapoff /* 4115 */ - PTR sys32_sysinfo + PTR compat_sys_sysinfo PTR sys32_ipc PTR sys_fsync PTR sys32_sigreturn @@ -506,7 +506,7 @@ sys_call_table: PTR sys_readlinkat PTR sys_fchmodat PTR sys_faccessat /* 4300 */ - PTR sys_pselect6 + PTR compat_sys_pselect6 PTR sys_ppoll PTR sys_unshare PTR sys_splice diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index 89440a0d852..394540fad76 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -271,8 +271,7 @@ static void __init bootmem_init(void) static void __init bootmem_init(void) { unsigned long reserved_end; - unsigned long highest = 0; - unsigned long mapstart = -1UL; + unsigned long mapstart = ~0UL; unsigned long bootmap_size; int i; @@ -284,6 +283,13 @@ static void __init bootmem_init(void) reserved_end = max(init_initrd(), PFN_UP(__pa_symbol(&_end))); /* + * max_low_pfn is not a number of pages. The number of pages + * of the system is given by 'max_low_pfn - min_low_pfn'. + */ + min_low_pfn = ~0UL; + max_low_pfn = 0; + + /* * Find the highest page frame number we have available. */ for (i = 0; i < boot_mem_map.nr_map; i++) { @@ -296,8 +302,10 @@ static void __init bootmem_init(void) end = PFN_DOWN(boot_mem_map.map[i].addr + boot_mem_map.map[i].size); - if (end > highest) - highest = end; + if (end > max_low_pfn) + max_low_pfn = end; + if (start < min_low_pfn) + min_low_pfn = start; if (end <= reserved_end) continue; if (start >= mapstart) @@ -305,22 +313,36 @@ static void __init bootmem_init(void) mapstart = max(reserved_end, start); } + if (min_low_pfn >= max_low_pfn) + panic("Incorrect memory mapping !!!"); + if (min_low_pfn > ARCH_PFN_OFFSET) { + printk(KERN_INFO + "Wasting %lu bytes for tracking %lu unused pages\n", + (min_low_pfn - ARCH_PFN_OFFSET) * sizeof(struct page), + min_low_pfn - ARCH_PFN_OFFSET); + } else if (min_low_pfn < ARCH_PFN_OFFSET) { + printk(KERN_INFO + "%lu free pages won't be used\n", + ARCH_PFN_OFFSET - min_low_pfn); + } + min_low_pfn = ARCH_PFN_OFFSET; + /* * Determine low and high memory ranges */ - if (highest > PFN_DOWN(HIGHMEM_START)) { + if (max_low_pfn > PFN_DOWN(HIGHMEM_START)) { #ifdef CONFIG_HIGHMEM highstart_pfn = PFN_DOWN(HIGHMEM_START); - highend_pfn = highest; + highend_pfn = max_low_pfn; #endif - highest = PFN_DOWN(HIGHMEM_START); + max_low_pfn = PFN_DOWN(HIGHMEM_START); } /* * Initialize the boot-time allocator with low memory only. */ - bootmap_size = init_bootmem(mapstart, highest); - + bootmap_size = init_bootmem_node(NODE_DATA(0), mapstart, + min_low_pfn, max_low_pfn); /* * Register fully available low RAM pages with the bootmem allocator. */ @@ -430,7 +452,7 @@ static void __init arch_mem_init(char **cmdline_p) print_memory_map(); strlcpy(command_line, arcs_cmdline, sizeof(command_line)); - strlcpy(saved_command_line, command_line, COMMAND_LINE_SIZE); + strlcpy(boot_command_line, command_line, COMMAND_LINE_SIZE); *cmdline_p = command_line; @@ -507,9 +529,9 @@ void __init setup_arch(char **cmdline_p) #if defined(CONFIG_VT) #if defined(CONFIG_VGA_CONSOLE) - conswitchp = &vga_con; + conswitchp = &vga_con; #elif defined(CONFIG_DUMMY_CONSOLE) - conswitchp = &dummy_con; + conswitchp = &dummy_con; #endif #endif @@ -541,3 +563,6 @@ int __init dsp_disable(char *s) } __setup("nodsp", dsp_disable); + +unsigned long kernelsp[NR_CPUS]; +unsigned long fw_arg0, fw_arg1, fw_arg2, fw_arg3; diff --git a/arch/mips/kernel/signal-common.h b/arch/mips/kernel/signal-common.h index b1f09d54ebe..9a8abd67ec5 100644 --- a/arch/mips/kernel/signal-common.h +++ b/arch/mips/kernel/signal-common.h @@ -8,169 +8,57 @@ * Copyright (C) 1999, 2000 Silicon Graphics, Inc. */ +#ifndef __SIGNAL_COMMON_H +#define __SIGNAL_COMMON_H -static inline int -setup_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc) -{ - int err = 0; +/* #define DEBUG_SIG */ - err |= __put_user(regs->cp0_epc, &sc->sc_pc); +#ifdef DEBUG_SIG +# define DEBUGP(fmt, args...) printk("%s: " fmt, __FUNCTION__ , ##args) +#else +# define DEBUGP(fmt, args...) +#endif -#define save_gp_reg(i) do { \ - err |= __put_user(regs->regs[i], &sc->sc_regs[i]); \ -} while(0) - __put_user(0, &sc->sc_regs[0]); save_gp_reg(1); save_gp_reg(2); - save_gp_reg(3); save_gp_reg(4); save_gp_reg(5); save_gp_reg(6); - save_gp_reg(7); save_gp_reg(8); save_gp_reg(9); save_gp_reg(10); - save_gp_reg(11); save_gp_reg(12); save_gp_reg(13); save_gp_reg(14); - save_gp_reg(15); save_gp_reg(16); save_gp_reg(17); save_gp_reg(18); - save_gp_reg(19); save_gp_reg(20); save_gp_reg(21); save_gp_reg(22); - save_gp_reg(23); save_gp_reg(24); save_gp_reg(25); save_gp_reg(26); - save_gp_reg(27); save_gp_reg(28); save_gp_reg(29); save_gp_reg(30); - save_gp_reg(31); -#undef save_gp_reg - - err |= __put_user(regs->hi, &sc->sc_mdhi); - err |= __put_user(regs->lo, &sc->sc_mdlo); - if (cpu_has_dsp) { - err |= __put_user(mfhi1(), &sc->sc_hi1); - err |= __put_user(mflo1(), &sc->sc_lo1); - err |= __put_user(mfhi2(), &sc->sc_hi2); - err |= __put_user(mflo2(), &sc->sc_lo2); - err |= __put_user(mfhi3(), &sc->sc_hi3); - err |= __put_user(mflo3(), &sc->sc_lo3); - err |= __put_user(rddsp(DSP_MASK), &sc->sc_dsp); - } - - err |= __put_user(!!used_math(), &sc->sc_used_math); - - if (!used_math()) - goto out; - - /* - * Save FPU state to signal context. Signal handler will "inherit" - * current FPU state. - */ - preempt_disable(); - - if (!is_fpu_owner()) { - own_fpu(); - restore_fp(current); - } - err |= save_fp_context(sc); - - preempt_enable(); - -out: - return err; -} - -static inline int -restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc) -{ - unsigned int used_math; - unsigned long treg; - int err = 0; - - /* Always make any pending restarted system calls return -EINTR */ - current_thread_info()->restart_block.fn = do_no_restart_syscall; - - err |= __get_user(regs->cp0_epc, &sc->sc_pc); - err |= __get_user(regs->hi, &sc->sc_mdhi); - err |= __get_user(regs->lo, &sc->sc_mdlo); - if (cpu_has_dsp) { - err |= __get_user(treg, &sc->sc_hi1); mthi1(treg); - err |= __get_user(treg, &sc->sc_lo1); mtlo1(treg); - err |= __get_user(treg, &sc->sc_hi2); mthi2(treg); - err |= __get_user(treg, &sc->sc_lo2); mtlo2(treg); - err |= __get_user(treg, &sc->sc_hi3); mthi3(treg); - err |= __get_user(treg, &sc->sc_lo3); mtlo3(treg); - err |= __get_user(treg, &sc->sc_dsp); wrdsp(treg, DSP_MASK); - } - -#define restore_gp_reg(i) do { \ - err |= __get_user(regs->regs[i], &sc->sc_regs[i]); \ -} while(0) - restore_gp_reg( 1); restore_gp_reg( 2); restore_gp_reg( 3); - restore_gp_reg( 4); restore_gp_reg( 5); restore_gp_reg( 6); - restore_gp_reg( 7); restore_gp_reg( 8); restore_gp_reg( 9); - restore_gp_reg(10); restore_gp_reg(11); restore_gp_reg(12); - restore_gp_reg(13); restore_gp_reg(14); restore_gp_reg(15); - restore_gp_reg(16); restore_gp_reg(17); restore_gp_reg(18); - restore_gp_reg(19); restore_gp_reg(20); restore_gp_reg(21); - restore_gp_reg(22); restore_gp_reg(23); restore_gp_reg(24); - restore_gp_reg(25); restore_gp_reg(26); restore_gp_reg(27); - restore_gp_reg(28); restore_gp_reg(29); restore_gp_reg(30); - restore_gp_reg(31); -#undef restore_gp_reg +/* + * Horribly complicated - with the bloody RM9000 workarounds enabled + * the signal trampolines is moving to the end of the structure so we can + * increase the alignment without breaking software compatibility. + */ +#if ICACHE_REFILLS_WORKAROUND_WAR == 0 - err |= __get_user(used_math, &sc->sc_used_math); - conditional_used_math(used_math); +struct sigframe { + u32 sf_ass[4]; /* argument save space for o32 */ + u32 sf_code[2]; /* signal trampoline */ + struct sigcontext sf_sc; + sigset_t sf_mask; +}; - preempt_disable(); +#else /* ICACHE_REFILLS_WORKAROUND_WAR */ - if (used_math()) { - /* restore fpu context if we have used it before */ - own_fpu(); - err |= restore_fp_context(sc); - } else { - /* signal handler may have used FPU. Give it up. */ - lose_fpu(); - } +struct sigframe { + u32 sf_ass[4]; /* argument save space for o32 */ + u32 sf_pad[2]; + struct sigcontext sf_sc; /* hw context */ + sigset_t sf_mask; + u32 sf_code[8] ____cacheline_aligned; /* signal trampoline */ +}; - preempt_enable(); +#endif /* !ICACHE_REFILLS_WORKAROUND_WAR */ - return err; -} +/* + * handle hardware context + */ +extern int setup_sigcontext(struct pt_regs *, struct sigcontext __user *); +extern int restore_sigcontext(struct pt_regs *, struct sigcontext __user *); /* * Determine which stack to use.. */ -static inline void __user * -get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size) -{ - unsigned long sp; - - /* Default to using normal stack */ - sp = regs->regs[29]; - - /* - * FPU emulator may have it's own trampoline active just - * above the user stack, 16-bytes before the next lowest - * 16 byte boundary. Try to avoid trashing it. - */ - sp -= 32; - - /* This is the X/Open sanctioned signal stack switching. */ - if ((ka->sa.sa_flags & SA_ONSTACK) && (sas_ss_flags (sp) == 0)) - sp = current->sas_ss_sp + current->sas_ss_size; - - return (void __user *)((sp - frame_size) & (ICACHE_REFILLS_WORKAROUND_WAR ? ~(cpu_icache_line_size()-1) : ALMASK)); -} - -static inline int install_sigtramp(unsigned int __user *tramp, - unsigned int syscall) -{ - int err; - - /* - * Set up the return code ... - * - * li v0, __NR__foo_sigreturn - * syscall - */ - - err = __put_user(0x24020000 + syscall, tramp + 0); - err |= __put_user(0x0000000c , tramp + 1); - if (ICACHE_REFILLS_WORKAROUND_WAR) { - err |= __put_user(0, tramp + 2); - err |= __put_user(0, tramp + 3); - err |= __put_user(0, tramp + 4); - err |= __put_user(0, tramp + 5); - err |= __put_user(0, tramp + 6); - err |= __put_user(0, tramp + 7); - } - flush_cache_sigtramp((unsigned long) tramp); +extern void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, + size_t frame_size); +/* + * install trampoline code to get back from the sig handler + */ +extern int install_sigtramp(unsigned int __user *tramp, unsigned int syscall); - return err; -} +#endif /* __SIGNAL_COMMON_H */ diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c index b9d358e0521..54398af2371 100644 --- a/arch/mips/kernel/signal.c +++ b/arch/mips/kernel/signal.c @@ -34,18 +34,174 @@ #include "signal-common.h" -#define DEBUG_SIG 0 - #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) +#if ICACHE_REFILLS_WORKAROUND_WAR == 0 + +struct rt_sigframe { + u32 rs_ass[4]; /* argument save space for o32 */ + u32 rs_code[2]; /* signal trampoline */ + struct siginfo rs_info; + struct ucontext rs_uc; +}; + +#else + +struct rt_sigframe { + u32 rs_ass[4]; /* argument save space for o32 */ + u32 rs_pad[2]; + struct siginfo rs_info; + struct ucontext rs_uc; + u32 rs_code[8] ____cacheline_aligned; /* signal trampoline */ +}; + +#endif + +/* + * Helper routines + */ +int setup_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc) +{ + int err = 0; + int i; + + err |= __put_user(regs->cp0_epc, &sc->sc_pc); + + err |= __put_user(0, &sc->sc_regs[0]); + for (i = 1; i < 32; i++) + err |= __put_user(regs->regs[i], &sc->sc_regs[i]); + + err |= __put_user(regs->hi, &sc->sc_mdhi); + err |= __put_user(regs->lo, &sc->sc_mdlo); + if (cpu_has_dsp) { + err |= __put_user(mfhi1(), &sc->sc_hi1); + err |= __put_user(mflo1(), &sc->sc_lo1); + err |= __put_user(mfhi2(), &sc->sc_hi2); + err |= __put_user(mflo2(), &sc->sc_lo2); + err |= __put_user(mfhi3(), &sc->sc_hi3); + err |= __put_user(mflo3(), &sc->sc_lo3); + err |= __put_user(rddsp(DSP_MASK), &sc->sc_dsp); + } + + err |= __put_user(!!used_math(), &sc->sc_used_math); + + if (used_math()) { + /* + * Save FPU state to signal context. Signal handler + * will "inherit" current FPU state. + */ + preempt_disable(); + + if (!is_fpu_owner()) { + own_fpu(); + restore_fp(current); + } + err |= save_fp_context(sc); + + preempt_enable(); + } + return err; +} + +int restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc) +{ + unsigned int used_math; + unsigned long treg; + int err = 0; + int i; + + /* Always make any pending restarted system calls return -EINTR */ + current_thread_info()->restart_block.fn = do_no_restart_syscall; + + err |= __get_user(regs->cp0_epc, &sc->sc_pc); + err |= __get_user(regs->hi, &sc->sc_mdhi); + err |= __get_user(regs->lo, &sc->sc_mdlo); + if (cpu_has_dsp) { + err |= __get_user(treg, &sc->sc_hi1); mthi1(treg); + err |= __get_user(treg, &sc->sc_lo1); mtlo1(treg); + err |= __get_user(treg, &sc->sc_hi2); mthi2(treg); + err |= __get_user(treg, &sc->sc_lo2); mtlo2(treg); + err |= __get_user(treg, &sc->sc_hi3); mthi3(treg); + err |= __get_user(treg, &sc->sc_lo3); mtlo3(treg); + err |= __get_user(treg, &sc->sc_dsp); wrdsp(treg, DSP_MASK); + } + + for (i = 1; i < 32; i++) + err |= __get_user(regs->regs[i], &sc->sc_regs[i]); + + err |= __get_user(used_math, &sc->sc_used_math); + conditional_used_math(used_math); + + preempt_disable(); + + if (used_math()) { + /* restore fpu context if we have used it before */ + own_fpu(); + err |= restore_fp_context(sc); + } else { + /* signal handler may have used FPU. Give it up. */ + lose_fpu(); + } + + preempt_enable(); + + return err; +} + +void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, + size_t frame_size) +{ + unsigned long sp; + + /* Default to using normal stack */ + sp = regs->regs[29]; + + /* + * FPU emulator may have it's own trampoline active just + * above the user stack, 16-bytes before the next lowest + * 16 byte boundary. Try to avoid trashing it. + */ + sp -= 32; + + /* This is the X/Open sanctioned signal stack switching. */ + if ((ka->sa.sa_flags & SA_ONSTACK) && (sas_ss_flags (sp) == 0)) + sp = current->sas_ss_sp + current->sas_ss_size; + + return (void __user *)((sp - frame_size) & (ICACHE_REFILLS_WORKAROUND_WAR ? ~(cpu_icache_line_size()-1) : ALMASK)); +} + +int install_sigtramp(unsigned int __user *tramp, unsigned int syscall) +{ + int err; + + /* + * Set up the return code ... + * + * li v0, __NR__foo_sigreturn + * syscall + */ + + err = __put_user(0x24020000 + syscall, tramp + 0); + err |= __put_user(0x0000000c , tramp + 1); + if (ICACHE_REFILLS_WORKAROUND_WAR) { + err |= __put_user(0, tramp + 2); + err |= __put_user(0, tramp + 3); + err |= __put_user(0, tramp + 4); + err |= __put_user(0, tramp + 5); + err |= __put_user(0, tramp + 6); + err |= __put_user(0, tramp + 7); + } + flush_cache_sigtramp((unsigned long) tramp); + + return err; +} + /* * Atomically swap in the new signal mask, and wait for a signal. */ #ifdef CONFIG_TRAD_SIGNALS -save_static_function(sys_sigsuspend); -__attribute_used__ noinline static int -_sys_sigsuspend(nabi_no_regargs struct pt_regs regs) +asmlinkage int sys_sigsuspend(nabi_no_regargs struct pt_regs regs) { sigset_t newset; sigset_t __user *uset; @@ -68,9 +224,7 @@ _sys_sigsuspend(nabi_no_regargs struct pt_regs regs) } #endif -save_static_function(sys_rt_sigsuspend); -__attribute_used__ noinline static int -_sys_rt_sigsuspend(nabi_no_regargs struct pt_regs regs) +asmlinkage int sys_rt_sigsuspend(nabi_no_regargs struct pt_regs regs) { sigset_t newset; sigset_t __user *unewset; @@ -89,7 +243,7 @@ _sys_rt_sigsuspend(nabi_no_regargs struct pt_regs regs) spin_lock_irq(¤t->sighand->siglock); current->saved_sigmask = current->blocked; current->blocked = newset; - recalc_sigpending(); + recalc_sigpending(); spin_unlock_irq(¤t->sighand->siglock); current->state = TASK_INTERRUPTIBLE; @@ -124,7 +278,7 @@ asmlinkage int sys_sigaction(int sig, const struct sigaction __user *act, if (!ret && oact) { if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact))) - return -EFAULT; + return -EFAULT; err |= __put_user(old_ka.sa.sa_flags, &oact->sa_flags); err |= __put_user(old_ka.sa.sa_handler, &oact->sa_handler); err |= __put_user(old_ka.sa.sa_mask.sig[0], oact->sa_mask.sig); @@ -148,45 +302,8 @@ asmlinkage int sys_sigaltstack(nabi_no_regargs struct pt_regs regs) return do_sigaltstack(uss, uoss, usp); } -/* - * Horribly complicated - with the bloody RM9000 workarounds enabled - * the signal trampolines is moving to the end of the structure so we can - * increase the alignment without breaking software compatibility. - */ #ifdef CONFIG_TRAD_SIGNALS -struct sigframe { - u32 sf_ass[4]; /* argument save space for o32 */ -#if ICACHE_REFILLS_WORKAROUND_WAR - u32 sf_pad[2]; -#else - u32 sf_code[2]; /* signal trampoline */ -#endif - struct sigcontext sf_sc; - sigset_t sf_mask; -#if ICACHE_REFILLS_WORKAROUND_WAR - u32 sf_code[8] ____cacheline_aligned; /* signal trampoline */ -#endif -}; -#endif - -struct rt_sigframe { - u32 rs_ass[4]; /* argument save space for o32 */ -#if ICACHE_REFILLS_WORKAROUND_WAR - u32 rs_pad[2]; -#else - u32 rs_code[2]; /* signal trampoline */ -#endif - struct siginfo rs_info; - struct ucontext rs_uc; -#if ICACHE_REFILLS_WORKAROUND_WAR - u32 rs_code[8] ____cacheline_aligned; /* signal trampoline */ -#endif -}; - -#ifdef CONFIG_TRAD_SIGNALS -save_static_function(sys_sigreturn); -__attribute_used__ noinline static void -_sys_sigreturn(nabi_no_regargs struct pt_regs regs) +asmlinkage void sys_sigreturn(nabi_no_regargs struct pt_regs regs) { struct sigframe __user *frame; sigset_t blocked; @@ -221,9 +338,7 @@ badframe: } #endif /* CONFIG_TRAD_SIGNALS */ -save_static_function(sys_rt_sigreturn); -__attribute_used__ noinline static void -_sys_rt_sigreturn(nabi_no_regargs struct pt_regs regs) +asmlinkage void sys_rt_sigreturn(nabi_no_regargs struct pt_regs regs) { struct rt_sigframe __user *frame; sigset_t set; @@ -275,7 +390,7 @@ int setup_frame(struct k_sigaction * ka, struct pt_regs *regs, if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame))) goto give_sigsegv; - install_sigtramp(frame->sf_code, __NR_sigreturn); + err |= install_sigtramp(frame->sf_code, __NR_sigreturn); err |= setup_sigcontext(regs, &frame->sf_sc); err |= __copy_to_user(&frame->sf_mask, set, sizeof(*set)); @@ -299,12 +414,10 @@ int setup_frame(struct k_sigaction * ka, struct pt_regs *regs, regs->regs[31] = (unsigned long) frame->sf_code; regs->cp0_epc = regs->regs[25] = (unsigned long) ka->sa.sa_handler; -#if DEBUG_SIG - printk("SIG deliver (%s:%d): sp=0x%p pc=0x%lx ra=0x%p\n", + DEBUGP("SIG deliver (%s:%d): sp=0x%p pc=0x%lx ra=0x%lx\n", current->comm, current->pid, - frame, regs->cp0_epc, frame->regs[31]); -#endif - return 0; + frame, regs->cp0_epc, regs->regs[31]); + return 0; give_sigsegv: force_sigsegv(signr, current); @@ -322,7 +435,7 @@ int setup_rt_frame(struct k_sigaction * ka, struct pt_regs *regs, if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame))) goto give_sigsegv; - install_sigtramp(frame->rs_code, __NR_rt_sigreturn); + err |= install_sigtramp(frame->rs_code, __NR_rt_sigreturn); /* Create siginfo. */ err |= copy_siginfo_to_user(&frame->rs_info, info); @@ -359,11 +472,10 @@ int setup_rt_frame(struct k_sigaction * ka, struct pt_regs *regs, regs->regs[31] = (unsigned long) frame->rs_code; regs->cp0_epc = regs->regs[25] = (unsigned long) ka->sa.sa_handler; -#if DEBUG_SIG - printk("SIG deliver (%s:%d): sp=0x%p pc=0x%lx ra=0x%p\n", + DEBUGP("SIG deliver (%s:%d): sp=0x%p pc=0x%lx ra=0x%lx\n", current->comm, current->pid, frame, regs->cp0_epc, regs->regs[31]); -#endif + return 0; give_sigsegv: @@ -371,7 +483,7 @@ give_sigsegv: return -EFAULT; } -static inline int handle_signal(unsigned long sig, siginfo_t *info, +static int handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, sigset_t *oldset, struct pt_regs *regs) { int ret; diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c index c86a5ddff05..183fc7e55f3 100644 --- a/arch/mips/kernel/signal32.c +++ b/arch/mips/kernel/signal32.c @@ -33,6 +33,8 @@ #include <asm/fpu.h> #include <asm/war.h> +#include "signal-common.h" + #define SI_PAD_SIZE32 ((SI_MAX_SIZE/sizeof(int)) - 3) typedef struct compat_siginfo { @@ -102,8 +104,6 @@ typedef struct compat_siginfo { #define __NR_O32_rt_sigreturn 4193 #define __NR_O32_restart_syscall 4253 -#define DEBUG_SIG 0 - #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) /* 32-bit compatibility types */ @@ -139,6 +139,123 @@ struct ucontext32 { sigset_t32 uc_sigmask; /* mask last for extensibility */ }; +#if ICACHE_REFILLS_WORKAROUND_WAR == 0 + +struct rt_sigframe32 { + u32 rs_ass[4]; /* argument save space for o32 */ + u32 rs_code[2]; /* signal trampoline */ + compat_siginfo_t rs_info; + struct ucontext32 rs_uc; +}; + +#else /* ICACHE_REFILLS_WORKAROUND_WAR */ + +struct rt_sigframe32 { + u32 rs_ass[4]; /* argument save space for o32 */ + u32 rs_pad[2]; + compat_siginfo_t rs_info; + struct ucontext32 rs_uc; + u32 rs_code[8] __attribute__((aligned(32))); /* signal trampoline */ +}; + +#endif /* !ICACHE_REFILLS_WORKAROUND_WAR */ + +/* + * sigcontext handlers + */ +static int setup_sigcontext32(struct pt_regs *regs, + struct sigcontext32 __user *sc) +{ + int err = 0; + int i; + + err |= __put_user(regs->cp0_epc, &sc->sc_pc); + + err |= __put_user(0, &sc->sc_regs[0]); + for (i = 1; i < 32; i++) + err |= __put_user(regs->regs[i], &sc->sc_regs[i]); + + err |= __put_user(regs->hi, &sc->sc_mdhi); + err |= __put_user(regs->lo, &sc->sc_mdlo); + if (cpu_has_dsp) { + err |= __put_user(rddsp(DSP_MASK), &sc->sc_dsp); + err |= __put_user(mfhi1(), &sc->sc_hi1); + err |= __put_user(mflo1(), &sc->sc_lo1); + err |= __put_user(mfhi2(), &sc->sc_hi2); + err |= __put_user(mflo2(), &sc->sc_lo2); + err |= __put_user(mfhi3(), &sc->sc_hi3); + err |= __put_user(mflo3(), &sc->sc_lo3); + } + + err |= __put_user(!!used_math(), &sc->sc_used_math); + + if (used_math()) { + /* + * Save FPU state to signal context. Signal handler + * will "inherit" current FPU state. + */ + preempt_disable(); + + if (!is_fpu_owner()) { + own_fpu(); + restore_fp(current); + } + err |= save_fp_context32(sc); + + preempt_enable(); + } + return err; +} + +static int restore_sigcontext32(struct pt_regs *regs, + struct sigcontext32 __user *sc) +{ + u32 used_math; + int err = 0; + s32 treg; + int i; + + /* Always make any pending restarted system calls return -EINTR */ + current_thread_info()->restart_block.fn = do_no_restart_syscall; + + err |= __get_user(regs->cp0_epc, &sc->sc_pc); + err |= __get_user(regs->hi, &sc->sc_mdhi); + err |= __get_user(regs->lo, &sc->sc_mdlo); + if (cpu_has_dsp) { + err |= __get_user(treg, &sc->sc_hi1); mthi1(treg); + err |= __get_user(treg, &sc->sc_lo1); mtlo1(treg); + err |= __get_user(treg, &sc->sc_hi2); mthi2(treg); + err |= __get_user(treg, &sc->sc_lo2); mtlo2(treg); + err |= __get_user(treg, &sc->sc_hi3); mthi3(treg); + err |= __get_user(treg, &sc->sc_lo3); mtlo3(treg); + err |= __get_user(treg, &sc->sc_dsp); wrdsp(treg, DSP_MASK); + } + + for (i = 1; i < 32; i++) + err |= __get_user(regs->regs[i], &sc->sc_regs[i]); + + err |= __get_user(used_math, &sc->sc_used_math); + conditional_used_math(used_math); + + preempt_disable(); + + if (used_math()) { + /* restore fpu context if we have used it before */ + own_fpu(); + err |= restore_fp_context32(sc); + } else { + /* signal handler may have used FPU. Give it up. */ + lose_fpu(); + } + + preempt_enable(); + + return err; +} + +/* + * + */ extern void __put_sigset_unknown_nsig(void); extern void __get_sigset_unknown_nsig(void); @@ -191,9 +308,7 @@ static inline int get_sigset(sigset_t *kbuf, const compat_sigset_t __user *ubuf) * Atomically swap in the new signal mask, and wait for a signal. */ -save_static_function(sys32_sigsuspend); -__attribute_used__ noinline static int -_sys32_sigsuspend(nabi_no_regargs struct pt_regs regs) +asmlinkage int sys32_sigsuspend(nabi_no_regargs struct pt_regs regs) { compat_sigset_t __user *uset; sigset_t newset; @@ -215,9 +330,7 @@ _sys32_sigsuspend(nabi_no_regargs struct pt_regs regs) return -ERESTARTNOHAND; } -save_static_function(sys32_rt_sigsuspend); -__attribute_used__ noinline static int -_sys32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs) +asmlinkage int sys32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs) { compat_sigset_t __user *uset; sigset_t newset; @@ -326,91 +439,6 @@ asmlinkage int sys32_sigaltstack(nabi_no_regargs struct pt_regs regs) return ret; } -static int restore_sigcontext32(struct pt_regs *regs, struct sigcontext32 __user *sc) -{ - u32 used_math; - int err = 0; - s32 treg; - - /* Always make any pending restarted system calls return -EINTR */ - current_thread_info()->restart_block.fn = do_no_restart_syscall; - - err |= __get_user(regs->cp0_epc, &sc->sc_pc); - err |= __get_user(regs->hi, &sc->sc_mdhi); - err |= __get_user(regs->lo, &sc->sc_mdlo); - if (cpu_has_dsp) { - err |= __get_user(treg, &sc->sc_hi1); mthi1(treg); - err |= __get_user(treg, &sc->sc_lo1); mtlo1(treg); - err |= __get_user(treg, &sc->sc_hi2); mthi2(treg); - err |= __get_user(treg, &sc->sc_lo2); mtlo2(treg); - err |= __get_user(treg, &sc->sc_hi3); mthi3(treg); - err |= __get_user(treg, &sc->sc_lo3); mtlo3(treg); - err |= __get_user(treg, &sc->sc_dsp); wrdsp(treg, DSP_MASK); - } - -#define restore_gp_reg(i) do { \ - err |= __get_user(regs->regs[i], &sc->sc_regs[i]); \ -} while(0) - restore_gp_reg( 1); restore_gp_reg( 2); restore_gp_reg( 3); - restore_gp_reg( 4); restore_gp_reg( 5); restore_gp_reg( 6); - restore_gp_reg( 7); restore_gp_reg( 8); restore_gp_reg( 9); - restore_gp_reg(10); restore_gp_reg(11); restore_gp_reg(12); - restore_gp_reg(13); restore_gp_reg(14); restore_gp_reg(15); - restore_gp_reg(16); restore_gp_reg(17); restore_gp_reg(18); - restore_gp_reg(19); restore_gp_reg(20); restore_gp_reg(21); - restore_gp_reg(22); restore_gp_reg(23); restore_gp_reg(24); - restore_gp_reg(25); restore_gp_reg(26); restore_gp_reg(27); - restore_gp_reg(28); restore_gp_reg(29); restore_gp_reg(30); - restore_gp_reg(31); -#undef restore_gp_reg - - err |= __get_user(used_math, &sc->sc_used_math); - conditional_used_math(used_math); - - preempt_disable(); - - if (used_math()) { - /* restore fpu context if we have used it before */ - own_fpu(); - err |= restore_fp_context32(sc); - } else { - /* signal handler may have used FPU. Give it up. */ - lose_fpu(); - } - - preempt_enable(); - - return err; -} - -struct sigframe { - u32 sf_ass[4]; /* argument save space for o32 */ -#if ICACHE_REFILLS_WORKAROUND_WAR - u32 sf_pad[2]; -#else - u32 sf_code[2]; /* signal trampoline */ -#endif - struct sigcontext32 sf_sc; - sigset_t sf_mask; -#if ICACHE_REFILLS_WORKAROUND_WAR - u32 sf_code[8] ____cacheline_aligned; /* signal trampoline */ -#endif -}; - -struct rt_sigframe32 { - u32 rs_ass[4]; /* argument save space for o32 */ -#if ICACHE_REFILLS_WORKAROUND_WAR - u32 rs_pad[2]; -#else - u32 rs_code[2]; /* signal trampoline */ -#endif - compat_siginfo_t rs_info; - struct ucontext32 rs_uc; -#if ICACHE_REFILLS_WORKAROUND_WAR - u32 rs_code[8] __attribute__((aligned(32))); /* signal trampoline */ -#endif -}; - int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from) { int err; @@ -463,9 +491,7 @@ int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from) return err; } -save_static_function(sys32_sigreturn); -__attribute_used__ noinline static void -_sys32_sigreturn(nabi_no_regargs struct pt_regs regs) +asmlinkage void sys32_sigreturn(nabi_no_regargs struct pt_regs regs) { struct sigframe __user *frame; sigset_t blocked; @@ -499,9 +525,7 @@ badframe: force_sig(SIGSEGV, current); } -save_static_function(sys32_rt_sigreturn); -__attribute_used__ noinline static void -_sys32_rt_sigreturn(nabi_no_regargs struct pt_regs regs) +asmlinkage void sys32_rt_sigreturn(nabi_no_regargs struct pt_regs regs) { struct rt_sigframe32 __user *frame; mm_segment_t old_fs; @@ -554,89 +578,6 @@ badframe: force_sig(SIGSEGV, current); } -static inline int setup_sigcontext32(struct pt_regs *regs, - struct sigcontext32 __user *sc) -{ - int err = 0; - - err |= __put_user(regs->cp0_epc, &sc->sc_pc); - err |= __put_user(regs->cp0_status, &sc->sc_status); - -#define save_gp_reg(i) { \ - err |= __put_user(regs->regs[i], &sc->sc_regs[i]); \ -} while(0) - __put_user(0, &sc->sc_regs[0]); save_gp_reg(1); save_gp_reg(2); - save_gp_reg(3); save_gp_reg(4); save_gp_reg(5); save_gp_reg(6); - save_gp_reg(7); save_gp_reg(8); save_gp_reg(9); save_gp_reg(10); - save_gp_reg(11); save_gp_reg(12); save_gp_reg(13); save_gp_reg(14); - save_gp_reg(15); save_gp_reg(16); save_gp_reg(17); save_gp_reg(18); - save_gp_reg(19); save_gp_reg(20); save_gp_reg(21); save_gp_reg(22); - save_gp_reg(23); save_gp_reg(24); save_gp_reg(25); save_gp_reg(26); - save_gp_reg(27); save_gp_reg(28); save_gp_reg(29); save_gp_reg(30); - save_gp_reg(31); -#undef save_gp_reg - - err |= __put_user(regs->hi, &sc->sc_mdhi); - err |= __put_user(regs->lo, &sc->sc_mdlo); - if (cpu_has_dsp) { - err |= __put_user(rddsp(DSP_MASK), &sc->sc_dsp); - err |= __put_user(mfhi1(), &sc->sc_hi1); - err |= __put_user(mflo1(), &sc->sc_lo1); - err |= __put_user(mfhi2(), &sc->sc_hi2); - err |= __put_user(mflo2(), &sc->sc_lo2); - err |= __put_user(mfhi3(), &sc->sc_hi3); - err |= __put_user(mflo3(), &sc->sc_lo3); - } - - err |= __put_user(!!used_math(), &sc->sc_used_math); - - if (!used_math()) - goto out; - - /* - * Save FPU state to signal context. Signal handler will "inherit" - * current FPU state. - */ - preempt_disable(); - - if (!is_fpu_owner()) { - own_fpu(); - restore_fp(current); - } - err |= save_fp_context32(sc); - - preempt_enable(); - -out: - return err; -} - -/* - * Determine which stack to use.. - */ -static inline void __user *get_sigframe(struct k_sigaction *ka, - struct pt_regs *regs, - size_t frame_size) -{ - unsigned long sp; - - /* Default to using normal stack */ - sp = regs->regs[29]; - - /* - * FPU emulator may have it's own trampoline active just - * above the user stack, 16-bytes before the next lowest - * 16 byte boundary. Try to avoid trashing it. - */ - sp -= 32; - - /* This is the X/Open sanctioned signal stack switching. */ - if ((ka->sa.sa_flags & SA_ONSTACK) && (sas_ss_flags (sp) == 0)) - sp = current->sas_ss_sp + current->sas_ss_size; - - return (void __user *)((sp - frame_size) & ALMASK); -} - int setup_frame_32(struct k_sigaction * ka, struct pt_regs *regs, int signr, sigset_t *set) { @@ -647,15 +588,7 @@ int setup_frame_32(struct k_sigaction * ka, struct pt_regs *regs, if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame))) goto give_sigsegv; - /* - * Set up the return code ... - * - * li v0, __NR_O32_sigreturn - * syscall - */ - err |= __put_user(0x24020000 + __NR_O32_sigreturn, frame->sf_code + 0); - err |= __put_user(0x0000000c , frame->sf_code + 1); - flush_cache_sigtramp((unsigned long) frame->sf_code); + err |= install_sigtramp(frame->sf_code, __NR_O32_sigreturn); err |= setup_sigcontext32(regs, &frame->sf_sc); err |= __copy_to_user(&frame->sf_mask, set, sizeof(*set)); @@ -679,11 +612,10 @@ int setup_frame_32(struct k_sigaction * ka, struct pt_regs *regs, regs->regs[31] = (unsigned long) frame->sf_code; regs->cp0_epc = regs->regs[25] = (unsigned long) ka->sa.sa_handler; -#if DEBUG_SIG - printk("SIG deliver (%s:%d): sp=0x%p pc=0x%lx ra=0x%p\n", + DEBUGP("SIG deliver (%s:%d): sp=0x%p pc=0x%lx ra=0x%lx\n", current->comm, current->pid, - frame, regs->cp0_epc, frame->sf_code); -#endif + frame, regs->cp0_epc, regs->regs[31]); + return 0; give_sigsegv: @@ -702,17 +634,7 @@ int setup_rt_frame_32(struct k_sigaction * ka, struct pt_regs *regs, if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame))) goto give_sigsegv; - /* Set up to return from userspace. If provided, use a stub already - in userspace. */ - /* - * Set up the return code ... - * - * li v0, __NR_O32_rt_sigreturn - * syscall - */ - err |= __put_user(0x24020000 + __NR_O32_rt_sigreturn, frame->rs_code + 0); - err |= __put_user(0x0000000c , frame->rs_code + 1); - flush_cache_sigtramp((unsigned long) frame->rs_code); + err |= install_sigtramp(frame->rs_code, __NR_O32_rt_sigreturn); /* Convert (siginfo_t -> compat_siginfo_t) and copy to user. */ err |= copy_siginfo_to_user32(&frame->rs_info, info); @@ -750,11 +672,10 @@ int setup_rt_frame_32(struct k_sigaction * ka, struct pt_regs *regs, regs->regs[31] = (unsigned long) frame->rs_code; regs->cp0_epc = regs->regs[25] = (unsigned long) ka->sa.sa_handler; -#if DEBUG_SIG - printk("SIG deliver (%s:%d): sp=0x%p pc=0x%lx ra=0x%p\n", + DEBUGP("SIG deliver (%s:%d): sp=0x%p pc=0x%lx ra=0x%lx\n", current->comm, current->pid, - frame, regs->cp0_epc, frame->rs_code); -#endif + frame, regs->cp0_epc, regs->regs[31]); + return 0; give_sigsegv: diff --git a/arch/mips/kernel/signal_n32.c b/arch/mips/kernel/signal_n32.c index a67c18555ed..57456e6a0c6 100644 --- a/arch/mips/kernel/signal_n32.c +++ b/arch/mips/kernel/signal_n32.c @@ -47,8 +47,6 @@ #define __NR_N32_rt_sigreturn 6211 #define __NR_N32_restart_syscall 6214 -#define DEBUG_SIG 0 - #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) /* IRIX compatible stack_t */ @@ -66,25 +64,30 @@ struct ucontextn32 { sigset_t uc_sigmask; /* mask last for extensibility */ }; +#if ICACHE_REFILLS_WORKAROUND_WAR == 0 + struct rt_sigframe_n32 { u32 rs_ass[4]; /* argument save space for o32 */ -#if ICACHE_REFILLS_WORKAROUND_WAR - u32 rs_pad[2]; -#else u32 rs_code[2]; /* signal trampoline */ -#endif struct siginfo rs_info; struct ucontextn32 rs_uc; -#if ICACHE_REFILLS_WORKAROUND_WAR +}; + +#else /* ICACHE_REFILLS_WORKAROUND_WAR */ + +struct rt_sigframe_n32 { + u32 rs_ass[4]; /* argument save space for o32 */ + u32 rs_pad[2]; + struct siginfo rs_info; + struct ucontextn32 rs_uc; u32 rs_code[8] ____cacheline_aligned; /* signal trampoline */ -#endif }; +#endif /* !ICACHE_REFILLS_WORKAROUND_WAR */ + extern void sigset_from_compat (sigset_t *set, compat_sigset_t *compat); -save_static_function(sysn32_rt_sigsuspend); -__attribute_used__ noinline static int -_sysn32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs) +asmlinkage int sysn32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs) { compat_sigset_t __user *unewset; compat_sigset_t uset; @@ -105,7 +108,7 @@ _sysn32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs) spin_lock_irq(¤t->sighand->siglock); current->saved_sigmask = current->blocked; current->blocked = newset; - recalc_sigpending(); + recalc_sigpending(); spin_unlock_irq(¤t->sighand->siglock); current->state = TASK_INTERRUPTIBLE; @@ -114,9 +117,7 @@ _sysn32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs) return -ERESTARTNOHAND; } -save_static_function(sysn32_rt_sigreturn); -__attribute_used__ noinline static void -_sysn32_rt_sigreturn(nabi_no_regargs struct pt_regs regs) +asmlinkage void sysn32_rt_sigreturn(nabi_no_regargs struct pt_regs regs) { struct rt_sigframe_n32 __user *frame; sigset_t set; @@ -184,7 +185,7 @@ int setup_rt_frame_n32(struct k_sigaction * ka, /* Create the ucontext. */ err |= __put_user(0, &frame->rs_uc.uc_flags); err |= __put_user(0, &frame->rs_uc.uc_link); - sp = (int) (long) current->sas_ss_sp; + sp = (int) (long) current->sas_ss_sp; err |= __put_user(sp, &frame->rs_uc.uc_stack.ss_sp); err |= __put_user(sas_ss_flags(regs->regs[29]), @@ -214,11 +215,10 @@ int setup_rt_frame_n32(struct k_sigaction * ka, regs->regs[31] = (unsigned long) frame->rs_code; regs->cp0_epc = regs->regs[25] = (unsigned long) ka->sa.sa_handler; -#if DEBUG_SIG - printk("SIG deliver (%s:%d): sp=0x%p pc=0x%lx ra=0x%p\n", + DEBUGP("SIG deliver (%s:%d): sp=0x%p pc=0x%lx ra=0x%lx\n", current->comm, current->pid, frame, regs->cp0_epc, regs->regs[31]); -#endif + return 0; give_sigsegv: diff --git a/arch/mips/kernel/smp-mt.c b/arch/mips/kernel/smp-mt.c index 1ee689c0e0c..64b62bdfb4f 100644 --- a/arch/mips/kernel/smp-mt.c +++ b/arch/mips/kernel/smp-mt.c @@ -35,7 +35,6 @@ #include <asm/mipsregs.h> #include <asm/mipsmtregs.h> #include <asm/mips_mt.h> -#include <asm/mips-boards/maltaint.h> /* This is f*cking wrong */ #define MIPS_CPU_IPI_RESCHED_IRQ 0 #define MIPS_CPU_IPI_CALL_IRQ 1 @@ -108,12 +107,12 @@ void __init sanitize_tlb_entries(void) static void ipi_resched_dispatch(void) { - do_IRQ(MIPSCPU_INT_BASE + MIPS_CPU_IPI_RESCHED_IRQ); + do_IRQ(MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_RESCHED_IRQ); } static void ipi_call_dispatch(void) { - do_IRQ(MIPSCPU_INT_BASE + MIPS_CPU_IPI_CALL_IRQ); + do_IRQ(MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_CALL_IRQ); } static irqreturn_t ipi_resched_interrupt(int irq, void *dev_id) @@ -270,8 +269,8 @@ void __init plat_prepare_cpus(unsigned int max_cpus) set_vi_handler(MIPS_CPU_IPI_CALL_IRQ, ipi_call_dispatch); } - cpu_ipi_resched_irq = MIPSCPU_INT_BASE + MIPS_CPU_IPI_RESCHED_IRQ; - cpu_ipi_call_irq = MIPSCPU_INT_BASE + MIPS_CPU_IPI_CALL_IRQ; + cpu_ipi_resched_irq = MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_RESCHED_IRQ; + cpu_ipi_call_irq = MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_CALL_IRQ; setup_irq(cpu_ipi_resched_irq, &irq_resched); setup_irq(cpu_ipi_call_irq, &irq_call); diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c index 6a857bf030b..9251ea82493 100644 --- a/arch/mips/kernel/smtc.c +++ b/arch/mips/kernel/smtc.c @@ -26,16 +26,6 @@ * This file should be built into the kernel only if CONFIG_MIPS_MT_SMTC is set. */ -/* - * MIPSCPU_INT_BASE is identically defined in both - * asm-mips/mips-boards/maltaint.h and asm-mips/mips-boards/simint.h, - * but as yet there's no properly organized include structure that - * will ensure that the right *int.h file will be included for a - * given platform build. - */ - -#define MIPSCPU_INT_BASE 16 - #define MIPS_CPU_IPI_IRQ 1 #define LOCK_MT_PRA() \ @@ -77,15 +67,15 @@ unsigned int ipi_timer_latch[NR_CPUS]; #define IPIBUF_PER_CPU 4 -struct smtc_ipi_q IPIQ[NR_CPUS]; -struct smtc_ipi_q freeIPIq; +static struct smtc_ipi_q IPIQ[NR_CPUS]; +static struct smtc_ipi_q freeIPIq; /* Forward declarations */ void ipi_decode(struct smtc_ipi *); -void post_direct_ipi(int cpu, struct smtc_ipi *pipi); -void setup_cross_vpe_interrupts(void); +static void post_direct_ipi(int cpu, struct smtc_ipi *pipi); +static void setup_cross_vpe_interrupts(void); void init_smtc_stats(void); /* Global SMTC Status */ @@ -200,7 +190,7 @@ void __init sanitize_tlb_entries(void) * Configure shared TLB - VPC configuration bit must be set by caller */ -void smtc_configure_tlb(void) +static void smtc_configure_tlb(void) { int i,tlbsiz,vpes; unsigned long mvpconf0; @@ -648,7 +638,7 @@ int setup_irq_smtc(unsigned int irq, struct irqaction * new, * the VPE. */ -void smtc_ipi_qdump(void) +static void smtc_ipi_qdump(void) { int i; @@ -686,28 +676,6 @@ static __inline__ int atomic_postincrement(unsigned int *pv) return result; } -/* No longer used in IPI dispatch, but retained for future recycling */ - -static __inline__ int atomic_postclear(unsigned int *pv) -{ - unsigned long result; - - unsigned long temp; - - __asm__ __volatile__( - "1: ll %0, %2 \n" - " or %1, $0, $0 \n" - " sc %1, %2 \n" - " beqz %1, 1b \n" - " sync \n" - : "=&r" (result), "=&r" (temp), "=m" (*pv) - : "m" (*pv) - : "memory"); - - return result; -} - - void smtc_send_ipi(int cpu, int type, unsigned int action) { int tcstatus; @@ -781,7 +749,7 @@ void smtc_send_ipi(int cpu, int type, unsigned int action) /* * Send IPI message to Halted TC, TargTC/TargVPE already having been set */ -void post_direct_ipi(int cpu, struct smtc_ipi *pipi) +static void post_direct_ipi(int cpu, struct smtc_ipi *pipi) { struct pt_regs *kstack; unsigned long tcstatus; @@ -921,7 +889,7 @@ void smtc_timer_broadcast(int vpe) * interrupts. */ -static int cpu_ipi_irq = MIPSCPU_INT_BASE + MIPS_CPU_IPI_IRQ; +static int cpu_ipi_irq = MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_IRQ; static irqreturn_t ipi_interrupt(int irq, void *dev_idm) { @@ -1000,7 +968,7 @@ static void ipi_irq_dispatch(void) static struct irqaction irq_ipi; -void setup_cross_vpe_interrupts(void) +static void setup_cross_vpe_interrupts(void) { if (!cpu_has_vint) panic("SMTC Kernel requires Vectored Interupt support"); @@ -1191,7 +1159,7 @@ void smtc_get_new_mmu_context(struct mm_struct *mm, unsigned long cpu) * It would be nice to be able to use a spinlock here, * but this is invoked from within TLB flush routines * that protect themselves with DVPE, so if a lock is - * held by another TC, it'll never be freed. + * held by another TC, it'll never be freed. * * DVPE/DMT must not be done with interrupts enabled, * so even so most callers will already have disabled @@ -1296,7 +1264,7 @@ void smtc_flush_tlb_asid(unsigned long asid) * Support for single-threading cache flush operations. */ -int halt_state_save[NR_CPUS]; +static int halt_state_save[NR_CPUS]; /* * To really, really be sure that nothing is being done diff --git a/arch/mips/kernel/sysirix.c b/arch/mips/kernel/sysirix.c index 6c2406a93f2..93a148486f8 100644 --- a/arch/mips/kernel/sysirix.c +++ b/arch/mips/kernel/sysirix.c @@ -669,7 +669,7 @@ asmlinkage int irix_mount(char __user *dev_name, char __user *dir_name, struct irix_statfs { short f_type; - long f_bsize, f_frsize, f_blocks, f_bfree, f_files, f_ffree; + long f_bsize, f_frsize, f_blocks, f_bfree, f_files, f_ffree; char f_fname[6], f_fpack[6]; }; @@ -959,7 +959,7 @@ static inline loff_t llseek(struct file *file, loff_t offset, int origin) fn = default_llseek; if (file->f_op && file->f_op->llseek) - fn = file->f_op->llseek; + fn = file->f_op->llseek; lock_kernel(); retval = fn(file, offset, origin); unlock_kernel(); diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c index 8aa544f73a5..545fcbc8cea 100644 --- a/arch/mips/kernel/time.c +++ b/arch/mips/kernel/time.c @@ -455,8 +455,3 @@ EXPORT_SYMBOL(rtc_lock); EXPORT_SYMBOL(to_tm); EXPORT_SYMBOL(rtc_mips_set_time); EXPORT_SYMBOL(rtc_mips_get_time); - -unsigned long long sched_clock(void) -{ - return (unsigned long long)jiffies*(1000000000/HZ); -} diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S index cecff24cc97..c76b793310c 100644 --- a/arch/mips/kernel/vmlinux.lds.S +++ b/arch/mips/kernel/vmlinux.lds.S @@ -113,10 +113,12 @@ SECTIONS references from .rodata */ .exit.text : { *(.exit.text) } .exit.data : { *(.exit.data) } +#if defined(CONFIG_BLK_DEV_INITRD) . = ALIGN(_PAGE_SIZE); __initramfs_start = .; .init.ramfs : { *(.init.ramfs) } __initramfs_end = .; +#endif . = ALIGN(32); __per_cpu_start = .; .data.percpu : { *(.data.percpu) } diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c index 458fccf87c5..9aca871a307 100644 --- a/arch/mips/kernel/vpe.c +++ b/arch/mips/kernel/vpe.c @@ -29,6 +29,7 @@ */ #include <linux/kernel.h> +#include <linux/device.h> #include <linux/module.h> #include <linux/fs.h> #include <linux/init.h> @@ -48,6 +49,7 @@ #include <asm/cacheflush.h> #include <asm/atomic.h> #include <asm/cpu.h> +#include <asm/mips_mt.h> #include <asm/processor.h> #include <asm/system.h> #include <asm/vpe.h> @@ -64,6 +66,7 @@ typedef void *vpe_handle; static char module_name[] = "vpe"; static int major; +static const int minor = 1; /* fixed for now */ #ifdef CONFIG_MIPS_APSP_KSPD static struct kspd_notifications kspd_events; @@ -522,7 +525,7 @@ static int (*reloc_handlers[]) (struct module *me, uint32_t *location, }; static char *rstrs[] = { - [R_MIPS_NONE] = "MIPS_NONE", + [R_MIPS_NONE] = "MIPS_NONE", [R_MIPS_32] = "MIPS_32", [R_MIPS_26] = "MIPS_26", [R_MIPS_HI16] = "MIPS_HI16", @@ -695,7 +698,7 @@ static void dump_tclist(void) } /* We are prepared so configure and start the VPE... */ -int vpe_run(struct vpe * v) +static int vpe_run(struct vpe * v) { struct vpe_notifications *n; unsigned long val, dmt_flag; @@ -713,16 +716,16 @@ int vpe_run(struct vpe * v) dvpe(); if (!list_empty(&v->tc)) { - if ((t = list_entry(v->tc.next, struct tc, tc)) == NULL) { - printk(KERN_WARNING "VPE loader: TC %d is already in use.\n", - t->index); - return -ENOEXEC; - } - } else { - printk(KERN_WARNING "VPE loader: No TC's associated with VPE %d\n", - v->minor); - return -ENOEXEC; - } + if ((t = list_entry(v->tc.next, struct tc, tc)) == NULL) { + printk(KERN_WARNING "VPE loader: TC %d is already in use.\n", + t->index); + return -ENOEXEC; + } + } else { + printk(KERN_WARNING "VPE loader: No TC's associated with VPE %d\n", + v->minor); + return -ENOEXEC; + } /* Put MVPE's into 'configuration state' */ set_c0_mvpcontrol(MVPCONTROL_VPC); @@ -775,14 +778,14 @@ int vpe_run(struct vpe * v) back_to_back_c0_hazard(); - /* Set up the XTC bit in vpeconf0 to point at our tc */ - write_vpe_c0_vpeconf0( (read_vpe_c0_vpeconf0() & ~(VPECONF0_XTC)) - | (t->index << VPECONF0_XTC_SHIFT)); + /* Set up the XTC bit in vpeconf0 to point at our tc */ + write_vpe_c0_vpeconf0( (read_vpe_c0_vpeconf0() & ~(VPECONF0_XTC)) + | (t->index << VPECONF0_XTC_SHIFT)); back_to_back_c0_hazard(); - /* enable this VPE */ - write_vpe_c0_vpeconf0(read_vpe_c0_vpeconf0() | VPECONF0_VPA); + /* enable this VPE */ + write_vpe_c0_vpeconf0(read_vpe_c0_vpeconf0() | VPECONF0_VPA); /* clear out any left overs from a previous program */ write_vpe_c0_status(0); @@ -832,7 +835,7 @@ static int find_vpe_symbols(struct vpe * v, Elf_Shdr * sechdrs, * contents of the program (p)buffer performing relocatations/etc, free's it * when finished. */ -int vpe_elfload(struct vpe * v) +static int vpe_elfload(struct vpe * v) { Elf_Ehdr *hdr; Elf_Shdr *sechdrs; @@ -1205,7 +1208,7 @@ static ssize_t vpe_write(struct file *file, const char __user * buffer, return ret; } -static struct file_operations vpe_fops = { +static const struct file_operations vpe_fops = { .owner = THIS_MODULE, .open = vpe_open, .release = vpe_release, @@ -1365,12 +1368,15 @@ static void kspd_sp_exit( int sp_id) } #endif +static struct device *vpe_dev; + static int __init vpe_module_init(void) { struct vpe *v = NULL; + struct device *dev; struct tc *t; unsigned long val; - int i; + int i, err; if (!cpu_has_mipsmt) { printk("VPE loader: not a MIPS MT capable processor\n"); @@ -1383,6 +1389,14 @@ static int __init vpe_module_init(void) return major; } + dev = device_create(mt_class, NULL, MKDEV(major, minor), + "tc%d", minor); + if (IS_ERR(dev)) { + err = PTR_ERR(dev); + goto out_chrdev; + } + vpe_dev = dev; + dmt(); dvpe(); @@ -1478,6 +1492,11 @@ static int __init vpe_module_init(void) kspd_events.kspd_sp_exit = kspd_sp_exit; #endif return 0; + +out_chrdev: + unregister_chrdev(major, module_name); + + return err; } static void __exit vpe_module_exit(void) @@ -1490,6 +1509,7 @@ static void __exit vpe_module_exit(void) } } + device_destroy(mt_class, MKDEV(major, minor)); unregister_chrdev(major, module_name); } diff --git a/arch/mips/lasat/interrupt.c b/arch/mips/lasat/interrupt.c index 2affa5ff171..9a622b9a105 100644 --- a/arch/mips/lasat/interrupt.c +++ b/arch/mips/lasat/interrupt.c @@ -45,7 +45,7 @@ void enable_lasat_irq(unsigned int irq_nr) } static struct irq_chip lasat_irq_type = { - .typename = "Lasat", + .name = "Lasat", .ack = disable_lasat_irq, .mask = disable_lasat_irq, .mask_ack = disable_lasat_irq, diff --git a/arch/mips/lasat/prom.c b/arch/mips/lasat/prom.c index 88c7ab871ec..d47692f73a2 100644 --- a/arch/mips/lasat/prom.c +++ b/arch/mips/lasat/prom.c @@ -132,9 +132,8 @@ void __init prom_init(void) add_memory_region(0, lasat_board_info.li_memsize, BOOT_MEM_RAM); } -unsigned long __init prom_free_prom_memory(void) +void __init prom_free_prom_memory(void) { - return 0; } const char *get_system_type(void) diff --git a/arch/mips/lib-32/Makefile b/arch/mips/lib-32/Makefile index dcd4d2ed2ac..2036cf5e685 100644 --- a/arch/mips/lib-32/Makefile +++ b/arch/mips/lib-32/Makefile @@ -2,7 +2,7 @@ # Makefile for MIPS-specific library files.. # -lib-y += memset.o watch.o +lib-y += watch.o obj-$(CONFIG_CPU_MIPS32) += dump_tlb.o obj-$(CONFIG_CPU_MIPS64) += dump_tlb.o diff --git a/arch/mips/lib-64/Makefile b/arch/mips/lib-64/Makefile index dcd4d2ed2ac..2036cf5e685 100644 --- a/arch/mips/lib-64/Makefile +++ b/arch/mips/lib-64/Makefile @@ -2,7 +2,7 @@ # Makefile for MIPS-specific library files.. # -lib-y += memset.o watch.o +lib-y += watch.o obj-$(CONFIG_CPU_MIPS32) += dump_tlb.o obj-$(CONFIG_CPU_MIPS64) += dump_tlb.o diff --git a/arch/mips/lib-64/memset.S b/arch/mips/lib-64/memset.S deleted file mode 100644 index e2c42c85113..00000000000 --- a/arch/mips/lib-64/memset.S +++ /dev/null @@ -1,142 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 1998, 1999, 2000 by Ralf Baechle - * Copyright (C) 1999, 2000 Silicon Graphics, Inc. - */ -#include <asm/asm.h> -#include <asm/asm-offsets.h> -#include <asm/regdef.h> - -#define EX(insn,reg,addr,handler) \ -9: insn reg, addr; \ - .section __ex_table,"a"; \ - PTR 9b, handler; \ - .previous - - .macro f_fill64 dst, offset, val, fixup - EX(LONG_S, \val, (\offset + 0 * LONGSIZE)(\dst), \fixup) - EX(LONG_S, \val, (\offset + 1 * LONGSIZE)(\dst), \fixup) - EX(LONG_S, \val, (\offset + 2 * LONGSIZE)(\dst), \fixup) - EX(LONG_S, \val, (\offset + 3 * LONGSIZE)(\dst), \fixup) - EX(LONG_S, \val, (\offset + 4 * LONGSIZE)(\dst), \fixup) - EX(LONG_S, \val, (\offset + 5 * LONGSIZE)(\dst), \fixup) - EX(LONG_S, \val, (\offset + 6 * LONGSIZE)(\dst), \fixup) - EX(LONG_S, \val, (\offset + 7 * LONGSIZE)(\dst), \fixup) - .endm - -/* - * memset(void *s, int c, size_t n) - * - * a0: start of area to clear - * a1: char to fill with - * a2: size of area to clear - */ - .set noreorder - .align 5 -LEAF(memset) - beqz a1, 1f - move v0, a0 /* result */ - - andi a1, 0xff /* spread fillword */ - dsll t1, a1, 8 - or a1, t1 - dsll t1, a1, 16 - or a1, t1 - dsll t1, a1, 32 - or a1, t1 -1: - -FEXPORT(__bzero) - sltiu t0, a2, LONGSIZE /* very small region? */ - bnez t0, small_memset - andi t0, a0, LONGMASK /* aligned? */ - - beqz t0, 1f - PTR_SUBU t0, LONGSIZE /* alignment in bytes */ - -#ifdef __MIPSEB__ - EX(sdl, a1, (a0), first_fixup) /* make dword aligned */ -#endif -#ifdef __MIPSEL__ - EX(sdr, a1, (a0), first_fixup) /* make dword aligned */ -#endif - PTR_SUBU a0, t0 /* long align ptr */ - PTR_ADDU a2, t0 /* correct size */ - -1: ori t1, a2, 0x3f /* # of full blocks */ - xori t1, 0x3f - beqz t1, memset_partial /* no block to fill */ - andi t0, a2, 0x38 - - PTR_ADDU t1, a0 /* end address */ - .set reorder -1: PTR_ADDIU a0, 64 - f_fill64 a0, -64, a1, fwd_fixup - bne t1, a0, 1b - .set noreorder - -memset_partial: - PTR_LA t1, 2f /* where to start */ - .set noat - dsrl AT, t0, 1 - PTR_SUBU t1, AT - .set noat - jr t1 - PTR_ADDU a0, t0 /* dest ptr */ - - .set push - .set noreorder - .set nomacro - f_fill64 a0, -64, a1, partial_fixup /* ... but first do longs ... */ -2: .set pop - andi a2, LONGMASK /* At most one long to go */ - - beqz a2, 1f - PTR_ADDU a0, a2 /* What's left */ -#ifdef __MIPSEB__ - EX(sdr, a1, -1(a0), last_fixup) -#endif -#ifdef __MIPSEL__ - EX(sdl, a1, -1(a0), last_fixup) -#endif -1: jr ra - move a2, zero - -small_memset: - beqz a2, 2f - PTR_ADDU t1, a0, a2 - -1: PTR_ADDIU a0, 1 /* fill bytewise */ - bne t1, a0, 1b - sb a1, -1(a0) - -2: jr ra /* done */ - move a2, zero - END(memset) - -first_fixup: - jr ra - nop - -fwd_fixup: - PTR_L t0, TI_TASK($28) - LONG_L t0, THREAD_BUADDR(t0) - andi a2, 0x3f - LONG_ADDU a2, t1 - jr ra - LONG_SUBU a2, t0 - -partial_fixup: - PTR_L t0, TI_TASK($28) - LONG_L t0, THREAD_BUADDR(t0) - andi a2, LONGMASK - LONG_ADDU a2, t1 - jr ra - LONG_SUBU a2, t0 - -last_fixup: - jr ra - andi v1, a2, LONGMASK diff --git a/arch/mips/lib/Makefile b/arch/mips/lib/Makefile index 989c900b8b1..5ad501b30b4 100644 --- a/arch/mips/lib/Makefile +++ b/arch/mips/lib/Makefile @@ -2,7 +2,7 @@ # Makefile for MIPS-specific library files.. # -lib-y += csum_partial.o memcpy.o promlib.o \ +lib-y += csum_partial.o memcpy.o memset.o promlib.o \ strlen_user.o strncpy_user.o strnlen_user.o uncached.o obj-y += iomap.o diff --git a/arch/mips/lib-32/memset.S b/arch/mips/lib/memset.S index 1981485bd48..3f8b8b3d0b2 100644 --- a/arch/mips/lib-32/memset.S +++ b/arch/mips/lib/memset.S @@ -10,6 +10,14 @@ #include <asm/asm-offsets.h> #include <asm/regdef.h> +#if LONGSIZE == 4 +#define LONG_S_L swl +#define LONG_S_R swr +#else +#define LONG_S_L sdl +#define LONG_S_R sdr +#endif + #define EX(insn,reg,addr,handler) \ 9: insn reg, addr; \ .section __ex_table,"a"; \ @@ -25,6 +33,7 @@ EX(LONG_S, \val, (\offset + 5 * LONGSIZE)(\dst), \fixup) EX(LONG_S, \val, (\offset + 6 * LONGSIZE)(\dst), \fixup) EX(LONG_S, \val, (\offset + 7 * LONGSIZE)(\dst), \fixup) +#if LONGSIZE == 4 EX(LONG_S, \val, (\offset + 8 * LONGSIZE)(\dst), \fixup) EX(LONG_S, \val, (\offset + 9 * LONGSIZE)(\dst), \fixup) EX(LONG_S, \val, (\offset + 10 * LONGSIZE)(\dst), \fixup) @@ -33,6 +42,7 @@ EX(LONG_S, \val, (\offset + 13 * LONGSIZE)(\dst), \fixup) EX(LONG_S, \val, (\offset + 14 * LONGSIZE)(\dst), \fixup) EX(LONG_S, \val, (\offset + 15 * LONGSIZE)(\dst), \fixup) +#endif .endm /* @@ -49,9 +59,13 @@ LEAF(memset) move v0, a0 /* result */ andi a1, 0xff /* spread fillword */ - sll t1, a1, 8 + LONG_SLL t1, a1, 8 or a1, t1 - sll t1, a1, 16 + LONG_SLL t1, a1, 16 +#if LONGSIZE == 8 + or a1, t1 + LONG_SLL t1, a1, 32 +#endif or a1, t1 1: @@ -64,10 +78,10 @@ FEXPORT(__bzero) PTR_SUBU t0, LONGSIZE /* alignment in bytes */ #ifdef __MIPSEB__ - EX(swl, a1, (a0), first_fixup) /* make word aligned */ + EX(LONG_S_L, a1, (a0), first_fixup) /* make word/dword aligned */ #endif #ifdef __MIPSEL__ - EX(swr, a1, (a0), first_fixup) /* make word aligned */ + EX(LONG_S_R, a1, (a0), first_fixup) /* make word/dword aligned */ #endif PTR_SUBU a0, t0 /* long align ptr */ PTR_ADDU a2, t0 /* correct size */ @@ -75,7 +89,7 @@ FEXPORT(__bzero) 1: ori t1, a2, 0x3f /* # of full blocks */ xori t1, 0x3f beqz t1, memset_partial /* no block to fill */ - andi t0, a2, 0x3c + andi t0, a2, 0x40-LONGSIZE PTR_ADDU t1, a0 /* end address */ .set reorder @@ -86,7 +100,14 @@ FEXPORT(__bzero) memset_partial: PTR_LA t1, 2f /* where to start */ +#if LONGSIZE == 4 PTR_SUBU t1, t0 +#else + .set noat + LONG_SRL AT, t0, 1 + PTR_SUBU t1, AT + .set noat +#endif jr t1 PTR_ADDU a0, t0 /* dest ptr */ @@ -100,10 +121,10 @@ memset_partial: beqz a2, 1f PTR_ADDU a0, a2 /* What's left */ #ifdef __MIPSEB__ - EX(swr, a1, -1(a0), last_fixup) + EX(LONG_S_R, a1, -1(a0), last_fixup) #endif #ifdef __MIPSEL__ - EX(swl, a1, -1(a0), last_fixup) + EX(LONG_S_L, a1, -1(a0), last_fixup) #endif 1: jr ra move a2, zero diff --git a/arch/mips/lib/uncached.c b/arch/mips/lib/uncached.c index 98ce89f8068..2388f7f3ffd 100644 --- a/arch/mips/lib/uncached.c +++ b/arch/mips/lib/uncached.c @@ -44,20 +44,24 @@ unsigned long __init run_uncached(void *func) if (sp >= (long)CKSEG0 && sp < (long)CKSEG2) usp = CKSEG1ADDR(sp); +#ifdef CONFIG_64BIT else if ((long long)sp >= (long long)PHYS_TO_XKPHYS(0LL, 0) && (long long)sp < (long long)PHYS_TO_XKPHYS(8LL, 0)) usp = PHYS_TO_XKPHYS((long long)K_CALG_UNCACHED, XKPHYS_TO_PHYS((long long)sp)); +#endif else { BUG(); usp = sp; } if (lfunc >= (long)CKSEG0 && lfunc < (long)CKSEG2) ufunc = CKSEG1ADDR(lfunc); +#ifdef CONFIG_64BIT else if ((long long)lfunc >= (long long)PHYS_TO_XKPHYS(0LL, 0) && (long long)lfunc < (long long)PHYS_TO_XKPHYS(8LL, 0)) ufunc = PHYS_TO_XKPHYS((long long)K_CALG_UNCACHED, XKPHYS_TO_PHYS((long long)lfunc)); +#endif else { BUG(); ufunc = lfunc; diff --git a/arch/mips/mips-boards/atlas/atlas_int.c b/arch/mips/mips-boards/atlas/atlas_int.c index 43dba6ce660..dfa0acbd7fc 100644 --- a/arch/mips/mips-boards/atlas/atlas_int.c +++ b/arch/mips/mips-boards/atlas/atlas_int.c @@ -32,6 +32,7 @@ #include <linux/slab.h> #include <linux/interrupt.h> #include <linux/kernel_stat.h> +#include <linux/kernel.h> #include <asm/gdb-stub.h> #include <asm/io.h> @@ -69,7 +70,7 @@ static void end_atlas_irq(unsigned int irq) } static struct irq_chip atlas_irq_type = { - .typename = "Atlas", + .name = "Atlas", .ack = disable_atlas_irq, .mask = disable_atlas_irq, .mask_ack = disable_atlas_irq, @@ -220,7 +221,7 @@ msc_irqmap_t __initdata msc_irqmap[] = { {MSC01C_INT_TMR, MSC01_IRQ_EDGE, 0}, {MSC01C_INT_PCI, MSC01_IRQ_LEVEL, 0}, }; -int __initdata msc_nr_irqs = sizeof(msc_irqmap) / sizeof(*msc_irqmap); +int __initdata msc_nr_irqs = ARRAY_SIZE(msc_irqmap); msc_irqmap_t __initdata msc_eicirqmap[] = { {MSC01E_INT_SW0, MSC01_IRQ_LEVEL, 0}, @@ -231,14 +232,14 @@ msc_irqmap_t __initdata msc_eicirqmap[] = { {MSC01E_INT_PERFCTR, MSC01_IRQ_LEVEL, 0}, {MSC01E_INT_CPUCTR, MSC01_IRQ_LEVEL, 0} }; -int __initdata msc_nr_eicirqs = sizeof(msc_eicirqmap) / sizeof(*msc_eicirqmap); +int __initdata msc_nr_eicirqs = ARRAY_SIZE(msc_eicirqmap); void __init arch_init_irq(void) { init_atlas_irqs(ATLAS_INT_BASE); if (!cpu_has_veic) - mips_cpu_irq_init(MIPSCPU_INT_BASE); + mips_cpu_irq_init(); switch(mips_revision_corid) { case MIPS_REVISION_CORID_CORE_MSC: diff --git a/arch/mips/mips-boards/generic/memory.c b/arch/mips/mips-boards/generic/memory.c index eeed944e0f8..ebf0e16c5a0 100644 --- a/arch/mips/mips-boards/generic/memory.c +++ b/arch/mips/mips-boards/generic/memory.c @@ -166,9 +166,8 @@ void __init prom_meminit(void) } } -unsigned long __init prom_free_prom_memory(void) +void __init prom_free_prom_memory(void) { - unsigned long freed = 0; unsigned long addr; int i; @@ -176,17 +175,8 @@ unsigned long __init prom_free_prom_memory(void) if (boot_mem_map.map[i].type != BOOT_MEM_ROM_DATA) continue; - addr = PAGE_ALIGN(boot_mem_map.map[i].addr); - while (addr < boot_mem_map.map[i].addr - + boot_mem_map.map[i].size) { - ClearPageReserved(virt_to_page(__va(addr))); - init_page_count(virt_to_page(__va(addr))); - free_page((unsigned long)__va(addr)); - addr += PAGE_SIZE; - freed += PAGE_SIZE; - } + addr = boot_mem_map.map[i].addr; + free_init_pages("prom memory", + addr, addr + boot_mem_map.map[i].size); } - printk("Freeing prom memory: %ldkb freed\n", freed >> 10); - - return freed; } diff --git a/arch/mips/mips-boards/malta/malta_int.c b/arch/mips/mips-boards/malta/malta_int.c index 90ad5bf3e2f..3c206bb1716 100644 --- a/arch/mips/mips-boards/malta/malta_int.c +++ b/arch/mips/mips-boards/malta/malta_int.c @@ -27,6 +27,7 @@ #include <linux/slab.h> #include <linux/interrupt.h> #include <linux/kernel_stat.h> +#include <linux/kernel.h> #include <linux/random.h> #include <asm/i8259.h> @@ -289,7 +290,7 @@ msc_irqmap_t __initdata msc_irqmap[] = { {MSC01C_INT_TMR, MSC01_IRQ_EDGE, 0}, {MSC01C_INT_PCI, MSC01_IRQ_LEVEL, 0}, }; -int __initdata msc_nr_irqs = sizeof(msc_irqmap)/sizeof(msc_irqmap_t); +int __initdata msc_nr_irqs = ARRAY_SIZE(msc_irqmap); msc_irqmap_t __initdata msc_eicirqmap[] = { {MSC01E_INT_SW0, MSC01_IRQ_LEVEL, 0}, @@ -303,14 +304,14 @@ msc_irqmap_t __initdata msc_eicirqmap[] = { {MSC01E_INT_PERFCTR, MSC01_IRQ_LEVEL, 0}, {MSC01E_INT_CPUCTR, MSC01_IRQ_LEVEL, 0} }; -int __initdata msc_nr_eicirqs = sizeof(msc_eicirqmap)/sizeof(msc_irqmap_t); +int __initdata msc_nr_eicirqs = ARRAY_SIZE(msc_eicirqmap); void __init arch_init_irq(void) { init_i8259_irqs(); if (!cpu_has_veic) - mips_cpu_irq_init (MIPSCPU_INT_BASE); + mips_cpu_irq_init(); switch(mips_revision_corid) { case MIPS_REVISION_CORID_CORE_MSC: diff --git a/arch/mips/mips-boards/sead/sead_int.c b/arch/mips/mips-boards/sead/sead_int.c index 874ccb0066b..c4b9de3a7f2 100644 --- a/arch/mips/mips-boards/sead/sead_int.c +++ b/arch/mips/mips-boards/sead/sead_int.c @@ -113,5 +113,5 @@ asmlinkage void plat_irq_dispatch(void) void __init arch_init_irq(void) { - mips_cpu_irq_init(MIPSCPU_INT_BASE); + mips_cpu_irq_init(); } diff --git a/arch/mips/mips-boards/sim/sim_int.c b/arch/mips/mips-boards/sim/sim_int.c index 2ce449dce6f..15ac0655c1f 100644 --- a/arch/mips/mips-boards/sim/sim_int.c +++ b/arch/mips/mips-boards/sim/sim_int.c @@ -21,9 +21,7 @@ #include <linux/interrupt.h> #include <linux/kernel_stat.h> #include <asm/mips-boards/simint.h> - - -extern void mips_cpu_irq_init(int); +#include <asm/irq_cpu.h> static inline int clz(unsigned long x) { @@ -86,5 +84,5 @@ asmlinkage void plat_irq_dispatch(void) void __init arch_init_irq(void) { - mips_cpu_irq_init(MIPSCPU_INT_BASE); + mips_cpu_irq_init(); } diff --git a/arch/mips/mips-boards/sim/sim_mem.c b/arch/mips/mips-boards/sim/sim_mem.c index f7ce7698332..46bc16f8b15 100644 --- a/arch/mips/mips-boards/sim/sim_mem.c +++ b/arch/mips/mips-boards/sim/sim_mem.c @@ -99,10 +99,9 @@ void __init prom_meminit(void) } } -unsigned long __init prom_free_prom_memory(void) +void __init prom_free_prom_memory(void) { int i; - unsigned long freed = 0; unsigned long addr; for (i = 0; i < boot_mem_map.nr_map; i++) { @@ -110,16 +109,7 @@ unsigned long __init prom_free_prom_memory(void) continue; addr = boot_mem_map.map[i].addr; - while (addr < boot_mem_map.map[i].addr - + boot_mem_map.map[i].size) { - ClearPageReserved(virt_to_page(__va(addr))); - init_page_count(virt_to_page(__va(addr))); - free_page((unsigned long)__va(addr)); - addr += PAGE_SIZE; - freed += PAGE_SIZE; - } + free_init_pages("prom memory", + addr, addr + boot_mem_map.map[i].size); } - printk("Freeing prom memory: %ldkb freed\n", freed >> 10); - - return freed; } diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c index 1f954a238a6..31819c58bff 100644 --- a/arch/mips/mm/cache.c +++ b/arch/mips/mm/cache.c @@ -107,8 +107,6 @@ void __update_cache(struct vm_area_struct *vma, unsigned long address, } } -#define __weak __attribute__((weak)) - static char cache_panic[] __initdata = "Yeee, unsupported cache architecture."; void __init cpu_cache_init(void) diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c index 49065c133eb..125a4a85ec0 100644 --- a/arch/mips/mm/init.c +++ b/arch/mips/mm/init.c @@ -341,7 +341,6 @@ static int __init page_is_ram(unsigned long pagenr) void __init paging_init(void) { unsigned long zones_size[MAX_NR_ZONES] = { 0, }; - unsigned long max_dma, low; #ifndef CONFIG_FLATMEM unsigned long zholes_size[MAX_NR_ZONES] = { 0, }; unsigned long i, j, pfn; @@ -354,19 +353,19 @@ void __init paging_init(void) #endif kmap_coherent_init(); - max_dma = virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT; - low = max_low_pfn; - #ifdef CONFIG_ISA - if (low < max_dma) - zones_size[ZONE_DMA] = low; - else { - zones_size[ZONE_DMA] = max_dma; - zones_size[ZONE_NORMAL] = low - max_dma; - } -#else - zones_size[ZONE_DMA] = low; + if (max_low_pfn >= MAX_DMA_PFN) + if (min_low_pfn >= MAX_DMA_PFN) { + zones_size[ZONE_DMA] = 0; + zones_size[ZONE_NORMAL] = max_low_pfn - min_low_pfn; + } else { + zones_size[ZONE_DMA] = MAX_DMA_PFN - min_low_pfn; + zones_size[ZONE_NORMAL] = max_low_pfn - MAX_DMA_PFN; + } + else #endif + zones_size[ZONE_DMA] = max_low_pfn - min_low_pfn; + #ifdef CONFIG_HIGHMEM zones_size[ZONE_HIGHMEM] = highend_pfn - highstart_pfn; @@ -467,7 +466,7 @@ void __init mem_init(void) } #endif /* !CONFIG_NEED_MULTIPLE_NODES */ -static void free_init_pages(char *what, unsigned long begin, unsigned long end) +void free_init_pages(const char *what, unsigned long begin, unsigned long end) { unsigned long pfn; @@ -493,18 +492,25 @@ void free_initrd_mem(unsigned long start, unsigned long end) } #endif -extern unsigned long prom_free_prom_memory(void); - void free_initmem(void) { - unsigned long freed; - - freed = prom_free_prom_memory(); - if (freed) - printk(KERN_INFO "Freeing firmware memory: %ldkb freed\n", - freed >> 10); - + prom_free_prom_memory(); free_init_pages("unused kernel memory", __pa_symbol(&__init_begin), __pa_symbol(&__init_end)); } + +unsigned long pgd_current[NR_CPUS]; +/* + * On 64-bit we've got three-level pagetables with a slightly + * different layout ... + */ +#define __page_aligned(order) __attribute__((__aligned__(PAGE_SIZE<<order))) +pgd_t swapper_pg_dir[PTRS_PER_PGD] __page_aligned(PGD_ORDER); +#ifdef CONFIG_64BIT +#ifdef MODULE_START +pgd_t module_pg_dir[PTRS_PER_PGD] __page_aligned(PGD_ORDER); +#endif +pmd_t invalid_pmd_table[PTRS_PER_PMD] __page_aligned(PMD_ORDER); +#endif +pte_t invalid_pte_table[PTRS_PER_PTE] __page_aligned(PTE_ORDER); diff --git a/arch/mips/momentum/jaguar_atx/Makefile b/arch/mips/momentum/jaguar_atx/Makefile index 67372f3f965..2e8cebd49bc 100644 --- a/arch/mips/momentum/jaguar_atx/Makefile +++ b/arch/mips/momentum/jaguar_atx/Makefile @@ -6,7 +6,7 @@ # unless it's something special (ie not a .c file). # -obj-y += irq.o prom.o reset.o setup.o +obj-y += irq.o platform.o prom.o reset.o setup.o obj-$(CONFIG_SERIAL_8250_CONSOLE) += ja-console.o obj-$(CONFIG_REMOTE_DEBUG) += dbg_io.o diff --git a/arch/mips/momentum/jaguar_atx/irq.c b/arch/mips/momentum/jaguar_atx/irq.c index 2efb25aa1ae..f2b432585df 100644 --- a/arch/mips/momentum/jaguar_atx/irq.c +++ b/arch/mips/momentum/jaguar_atx/irq.c @@ -82,8 +82,8 @@ void __init arch_init_irq(void) */ clear_c0_status(ST0_IM); - mips_cpu_irq_init(0); - rm7k_cpu_irq_init(8); + mips_cpu_irq_init(); + rm7k_cpu_irq_init(); /* set up the cascading interrupts */ setup_irq(8, &cascade_mv64340); diff --git a/arch/mips/momentum/jaguar_atx/jaguar_atx_fpga.h b/arch/mips/momentum/jaguar_atx/jaguar_atx_fpga.h index 6978654c712..022f6974b76 100644 --- a/arch/mips/momentum/jaguar_atx/jaguar_atx_fpga.h +++ b/arch/mips/momentum/jaguar_atx/jaguar_atx_fpga.h @@ -46,7 +46,9 @@ extern unsigned long ja_fpga_base; -#define JAGUAR_FPGA_WRITE(x,y) writeb(x, ja_fpga_base + JAGUAR_ATX_REG_##y) -#define JAGUAR_FPGA_READ(x) readb(ja_fpga_base + JAGUAR_ATX_REG_##x) +#define __FPGA_REG_TO_ADDR(reg) \ + ((void *) ja_fpga_base + JAGUAR_ATX_REG_##reg) +#define JAGUAR_FPGA_WRITE(x, reg) writeb(x, __FPGA_REG_TO_ADDR(reg)) +#define JAGUAR_FPGA_READ(reg) readb(__FPGA_REG_TO_ADDR(reg)) #endif diff --git a/arch/mips/momentum/jaguar_atx/platform.c b/arch/mips/momentum/jaguar_atx/platform.c new file mode 100644 index 00000000000..81037709ba0 --- /dev/null +++ b/arch/mips/momentum/jaguar_atx/platform.c @@ -0,0 +1,235 @@ +#include <linux/delay.h> +#include <linux/if_ether.h> +#include <linux/ioport.h> +#include <linux/mv643xx.h> +#include <linux/platform_device.h> + +#include "jaguar_atx_fpga.h" + +#if defined(CONFIG_MV643XX_ETH) || defined(CONFIG_MV643XX_ETH_MODULE) + +static struct resource mv643xx_eth_shared_resources[] = { + [0] = { + .name = "ethernet shared base", + .start = 0xf1000000 + MV643XX_ETH_SHARED_REGS, + .end = 0xf1000000 + MV643XX_ETH_SHARED_REGS + + MV643XX_ETH_SHARED_REGS_SIZE - 1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device mv643xx_eth_shared_device = { + .name = MV643XX_ETH_SHARED_NAME, + .id = 0, + .num_resources = ARRAY_SIZE(mv643xx_eth_shared_resources), + .resource = mv643xx_eth_shared_resources, +}; + +#define MV_SRAM_BASE 0xfe000000UL +#define MV_SRAM_SIZE (256 * 1024) + +#define MV_SRAM_RXRING_SIZE (MV_SRAM_SIZE / 4) +#define MV_SRAM_TXRING_SIZE (MV_SRAM_SIZE / 4) + +#define MV_SRAM_BASE_ETH0 MV_SRAM_BASE +#define MV_SRAM_BASE_ETH1 (MV_SRAM_BASE + (MV_SRAM_SIZE / 2)) + +#define MV64x60_IRQ_ETH_0 48 +#define MV64x60_IRQ_ETH_1 49 +#define MV64x60_IRQ_ETH_2 50 + +#ifdef CONFIG_MV643XX_ETH_0 + +static struct resource mv64x60_eth0_resources[] = { + [0] = { + .name = "eth0 irq", + .start = MV64x60_IRQ_ETH_0, + .end = MV64x60_IRQ_ETH_0, + .flags = IORESOURCE_IRQ, + }, +}; + +static char eth0_mac_addr[ETH_ALEN]; + +static struct mv643xx_eth_platform_data eth0_pd = { + .mac_addr = eth0_mac_addr, + + .tx_sram_addr = MV_SRAM_BASE_ETH0, + .tx_sram_size = MV_SRAM_TXRING_SIZE, + .tx_queue_size = MV_SRAM_TXRING_SIZE / 16, + + .rx_sram_addr = MV_SRAM_BASE_ETH0 + MV_SRAM_TXRING_SIZE, + .rx_sram_size = MV_SRAM_RXRING_SIZE, + .rx_queue_size = MV_SRAM_RXRING_SIZE / 16, +}; + +static struct platform_device eth0_device = { + .name = MV643XX_ETH_NAME, + .id = 0, + .num_resources = ARRAY_SIZE(mv64x60_eth0_resources), + .resource = mv64x60_eth0_resources, + .dev = { + .platform_data = ð0_pd, + }, +}; +#endif /* CONFIG_MV643XX_ETH_0 */ + +#ifdef CONFIG_MV643XX_ETH_1 + +static struct resource mv64x60_eth1_resources[] = { + [0] = { + .name = "eth1 irq", + .start = MV64x60_IRQ_ETH_1, + .end = MV64x60_IRQ_ETH_1, + .flags = IORESOURCE_IRQ, + }, +}; + +static char eth1_mac_addr[ETH_ALEN]; + +static struct mv643xx_eth_platform_data eth1_pd = { + .mac_addr = eth1_mac_addr, + + .tx_sram_addr = MV_SRAM_BASE_ETH1, + .tx_sram_size = MV_SRAM_TXRING_SIZE, + .tx_queue_size = MV_SRAM_TXRING_SIZE / 16, + + .rx_sram_addr = MV_SRAM_BASE_ETH1 + MV_SRAM_TXRING_SIZE, + .rx_sram_size = MV_SRAM_RXRING_SIZE, + .rx_queue_size = MV_SRAM_RXRING_SIZE / 16, +}; + +static struct platform_device eth1_device = { + .name = MV643XX_ETH_NAME, + .id = 1, + .num_resources = ARRAY_SIZE(mv64x60_eth1_resources), + .resource = mv64x60_eth1_resources, + .dev = { + .platform_data = ð1_pd, + }, +}; +#endif /* CONFIG_MV643XX_ETH_1 */ + +#ifdef CONFIG_MV643XX_ETH_2 + +static struct resource mv64x60_eth2_resources[] = { + [0] = { + .name = "eth2 irq", + .start = MV64x60_IRQ_ETH_2, + .end = MV64x60_IRQ_ETH_2, + .flags = IORESOURCE_IRQ, + }, +}; + +static char eth2_mac_addr[ETH_ALEN]; + +static struct mv643xx_eth_platform_data eth2_pd = { + .mac_addr = eth2_mac_addr, +}; + +static struct platform_device eth2_device = { + .name = MV643XX_ETH_NAME, + .id = 2, + .num_resources = ARRAY_SIZE(mv64x60_eth2_resources), + .resource = mv64x60_eth2_resources, + .dev = { + .platform_data = ð2_pd, + }, +}; +#endif /* CONFIG_MV643XX_ETH_2 */ + +static struct platform_device *mv643xx_eth_pd_devs[] __initdata = { + &mv643xx_eth_shared_device, +#ifdef CONFIG_MV643XX_ETH_0 + ð0_device, +#endif +#ifdef CONFIG_MV643XX_ETH_1 + ð1_device, +#endif +#ifdef CONFIG_MV643XX_ETH_2 + ð2_device, +#endif +}; + +static u8 __init exchange_bit(u8 val, u8 cs) +{ + /* place the data */ + JAGUAR_FPGA_WRITE((val << 2) | cs, EEPROM_MODE); + udelay(1); + + /* turn the clock on */ + JAGUAR_FPGA_WRITE((val << 2) | cs | 0x2, EEPROM_MODE); + udelay(1); + + /* turn the clock off and read-strobe */ + JAGUAR_FPGA_WRITE((val << 2) | cs | 0x10, EEPROM_MODE); + + /* return the data */ + return (JAGUAR_FPGA_READ(EEPROM_MODE) >> 3) & 0x1; +} + +static void __init get_mac(char dest[6]) +{ + u8 read_opcode[12] = {1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; + int i,j; + + for (i = 0; i < 12; i++) + exchange_bit(read_opcode[i], 1); + + for (j = 0; j < 6; j++) { + dest[j] = 0; + for (i = 0; i < 8; i++) { + dest[j] <<= 1; + dest[j] |= exchange_bit(0, 1); + } + } + + /* turn off CS */ + exchange_bit(0,0); +} + +/* + * Copy and increment ethernet MAC address by a small value. + * + * This is useful for systems where the only one MAC address is stored in + * non-volatile memory for multiple ports. + */ +static inline void eth_mac_add(unsigned char *dst, unsigned char *src, + unsigned int add) +{ + int i; + + BUG_ON(add >= 256); + + for (i = ETH_ALEN; i >= 0; i--) { + dst[i] = src[i] + add; + add = dst[i] < src[i]; /* compute carry */ + } + + WARN_ON(add); +} + +static int __init mv643xx_eth_add_pds(void) +{ + unsigned char mac[ETH_ALEN]; + int ret; + + get_mac(mac); +#ifdef CONFIG_MV643XX_ETH_0 + eth_mac_add(eth1_mac_addr, mac, 0); +#endif +#ifdef CONFIG_MV643XX_ETH_1 + eth_mac_add(eth1_mac_addr, mac, 1); +#endif +#ifdef CONFIG_MV643XX_ETH_2 + eth_mac_add(eth2_mac_addr, mac, 2); +#endif + ret = platform_add_devices(mv643xx_eth_pd_devs, + ARRAY_SIZE(mv643xx_eth_pd_devs)); + + return ret; +} + +device_initcall(mv643xx_eth_add_pds); + +#endif /* defined(CONFIG_MV643XX_ETH) || defined(CONFIG_MV643XX_ETH_MODULE) */ diff --git a/arch/mips/momentum/jaguar_atx/prom.c b/arch/mips/momentum/jaguar_atx/prom.c index 3d271292929..5dd154ee58f 100644 --- a/arch/mips/momentum/jaguar_atx/prom.c +++ b/arch/mips/momentum/jaguar_atx/prom.c @@ -39,56 +39,6 @@ const char *get_system_type(void) return "Momentum Jaguar-ATX"; } -#ifdef CONFIG_MV643XX_ETH -extern unsigned char prom_mac_addr_base[6]; - -static void burn_clocks(void) -{ - int i; - - /* this loop should burn at least 1us -- this should be plenty */ - for (i = 0; i < 0x10000; i++) - ; -} - -static u8 exchange_bit(u8 val, u8 cs) -{ - /* place the data */ - JAGUAR_FPGA_WRITE((val << 2) | cs, EEPROM_MODE); - burn_clocks(); - - /* turn the clock on */ - JAGUAR_FPGA_WRITE((val << 2) | cs | 0x2, EEPROM_MODE); - burn_clocks(); - - /* turn the clock off and read-strobe */ - JAGUAR_FPGA_WRITE((val << 2) | cs | 0x10, EEPROM_MODE); - - /* return the data */ - return ((JAGUAR_FPGA_READ(EEPROM_MODE) >> 3) & 0x1); -} - -void get_mac(char dest[6]) -{ - u8 read_opcode[12] = {1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; - int i,j; - - for (i = 0; i < 12; i++) - exchange_bit(read_opcode[i], 1); - - for (j = 0; j < 6; j++) { - dest[j] = 0; - for (i = 0; i < 8; i++) { - dest[j] <<= 1; - dest[j] |= exchange_bit(0, 1); - } - } - - /* turn off CS */ - exchange_bit(0,0); -} -#endif - #ifdef CONFIG_64BIT unsigned long signext(unsigned long addr) @@ -228,16 +178,10 @@ void __init prom_init(void) #endif /* CONFIG_64BIT */ mips_machgroup = MACH_GROUP_MOMENCO; mips_machtype = MACH_MOMENCO_JAGUAR_ATX; - -#ifdef CONFIG_MV643XX_ETH - /* get the base MAC address for on-board ethernet ports */ - get_mac(prom_mac_addr_base); -#endif } -unsigned long __init prom_free_prom_memory(void) +void __init prom_free_prom_memory(void) { - return 0; } void __init prom_fixup_mem_map(unsigned long start, unsigned long end) diff --git a/arch/mips/momentum/ocelot_3/irq.c b/arch/mips/momentum/ocelot_3/irq.c index cea0e5deb80..3862d1d1add 100644 --- a/arch/mips/momentum/ocelot_3/irq.c +++ b/arch/mips/momentum/ocelot_3/irq.c @@ -65,7 +65,7 @@ void __init arch_init_irq(void) */ clear_c0_status(ST0_IM | ST0_BEV); - rm7k_cpu_irq_init(8); + rm7k_cpu_irq_init(); /* set up the cascading interrupts */ setup_irq(8, &cascade_mv64340); /* unmask intControl IM8, IRQ 9 */ diff --git a/arch/mips/momentum/ocelot_3/platform.c b/arch/mips/momentum/ocelot_3/platform.c index eefe5841fbb..57cfe5c6e4a 100644 --- a/arch/mips/momentum/ocelot_3/platform.c +++ b/arch/mips/momentum/ocelot_3/platform.c @@ -129,7 +129,7 @@ static struct mv643xx_eth_platform_data eth2_pd = { static struct platform_device eth2_device = { .name = MV643XX_ETH_NAME, - .id = 1, + .id = 2, .num_resources = ARRAY_SIZE(mv64x60_eth2_resources), .resource = mv64x60_eth2_resources, .dev = { diff --git a/arch/mips/momentum/ocelot_3/prom.c b/arch/mips/momentum/ocelot_3/prom.c index 6ce9b7fdb82..8e02df63578 100644 --- a/arch/mips/momentum/ocelot_3/prom.c +++ b/arch/mips/momentum/ocelot_3/prom.c @@ -180,9 +180,8 @@ void __init prom_init(void) #endif } -unsigned long __init prom_free_prom_memory(void) +void __init prom_free_prom_memory(void) { - return 0; } void __init prom_fixup_mem_map(unsigned long start, unsigned long end) diff --git a/arch/mips/momentum/ocelot_c/cpci-irq.c b/arch/mips/momentum/ocelot_c/cpci-irq.c index bb11fef0847..186a140fd2a 100644 --- a/arch/mips/momentum/ocelot_c/cpci-irq.c +++ b/arch/mips/momentum/ocelot_c/cpci-irq.c @@ -84,7 +84,7 @@ void ll_cpci_irq(void) } struct irq_chip cpci_irq_type = { - .typename = "CPCI/FPGA", + .name = "CPCI/FPGA", .ack = mask_cpci_irq, .mask = mask_cpci_irq, .mask_ack = mask_cpci_irq, diff --git a/arch/mips/momentum/ocelot_c/dbg_io.c b/arch/mips/momentum/ocelot_c/dbg_io.c index 2128684584f..32d6fb4ee67 100644 --- a/arch/mips/momentum/ocelot_c/dbg_io.c +++ b/arch/mips/momentum/ocelot_c/dbg_io.c @@ -1,6 +1,4 @@ -#ifdef CONFIG_KGDB - #include <asm/serial.h> /* For the serial port location and base baud */ /* --- CONFIG --- */ @@ -121,5 +119,3 @@ int putDebugChar(uint8 byte) UART16550_WRITE(OFS_SEND_BUFFER, byte); return 1; } - -#endif diff --git a/arch/mips/momentum/ocelot_c/irq.c b/arch/mips/momentum/ocelot_c/irq.c index ea65223a6d2..40472f7944d 100644 --- a/arch/mips/momentum/ocelot_c/irq.c +++ b/arch/mips/momentum/ocelot_c/irq.c @@ -94,7 +94,7 @@ void __init arch_init_irq(void) */ clear_c0_status(ST0_IM); - mips_cpu_irq_init(0); + mips_cpu_irq_init(); /* set up the cascading interrupts */ setup_irq(3, &cascade_fpga); diff --git a/arch/mips/momentum/ocelot_c/prom.c b/arch/mips/momentum/ocelot_c/prom.c index d0b77e101d7..b689ceea8cf 100644 --- a/arch/mips/momentum/ocelot_c/prom.c +++ b/arch/mips/momentum/ocelot_c/prom.c @@ -178,7 +178,6 @@ void __init prom_init(void) #endif } -unsigned long __init prom_free_prom_memory(void) +void __init prom_free_prom_memory(void) { - return 0; } diff --git a/arch/mips/momentum/ocelot_c/uart-irq.c b/arch/mips/momentum/ocelot_c/uart-irq.c index a7a80c0da56..de1a31ee52f 100644 --- a/arch/mips/momentum/ocelot_c/uart-irq.c +++ b/arch/mips/momentum/ocelot_c/uart-irq.c @@ -77,7 +77,7 @@ void ll_uart_irq(void) } struct irq_chip uart_irq_type = { - .typename = "UART/FPGA", + .name = "UART/FPGA", .ack = mask_uart_irq, .mask = mask_uart_irq, .mask_ack = mask_uart_irq, diff --git a/arch/mips/momentum/ocelot_g/dbg_io.c b/arch/mips/momentum/ocelot_g/dbg_io.c index 2128684584f..32d6fb4ee67 100644 --- a/arch/mips/momentum/ocelot_g/dbg_io.c +++ b/arch/mips/momentum/ocelot_g/dbg_io.c @@ -1,6 +1,4 @@ -#ifdef CONFIG_KGDB - #include <asm/serial.h> /* For the serial port location and base baud */ /* --- CONFIG --- */ @@ -121,5 +119,3 @@ int putDebugChar(uint8 byte) UART16550_WRITE(OFS_SEND_BUFFER, byte); return 1; } - -#endif diff --git a/arch/mips/momentum/ocelot_g/irq.c b/arch/mips/momentum/ocelot_g/irq.c index da46524e87c..273541fe708 100644 --- a/arch/mips/momentum/ocelot_g/irq.c +++ b/arch/mips/momentum/ocelot_g/irq.c @@ -94,8 +94,8 @@ void __init arch_init_irq(void) clear_c0_status(ST0_IM); local_irq_disable(); - mips_cpu_irq_init(0); - rm7k_cpu_irq_init(8); + mips_cpu_irq_init(); + rm7k_cpu_irq_init(); gt64240_irq_init(); } diff --git a/arch/mips/momentum/ocelot_g/prom.c b/arch/mips/momentum/ocelot_g/prom.c index 2f75c6b91ec..836d0830720 100644 --- a/arch/mips/momentum/ocelot_g/prom.c +++ b/arch/mips/momentum/ocelot_g/prom.c @@ -79,7 +79,6 @@ void __init prom_init(void) } } -unsigned long __init prom_free_prom_memory(void) +void __init prom_free_prom_memory(void) { - return 0; } diff --git a/arch/mips/oprofile/Kconfig b/arch/mips/oprofile/Kconfig index 55feaf79859..ca395ef06d4 100644 --- a/arch/mips/oprofile/Kconfig +++ b/arch/mips/oprofile/Kconfig @@ -11,7 +11,7 @@ config PROFILING config OPROFILE tristate "OProfile system profiling (EXPERIMENTAL)" - depends on PROFILING && EXPERIMENTAL + depends on PROFILING && !!MIPS_MT_SMTC && EXPERIMENTAL help OProfile is a profiling system capable of profiling the whole system, include the kernel, kernel modules, libraries, diff --git a/arch/mips/pci/fixup-vr4133.c b/arch/mips/pci/fixup-vr4133.c index 597b89764ba..a8d9d22b13d 100644 --- a/arch/mips/pci/fixup-vr4133.c +++ b/arch/mips/pci/fixup-vr4133.c @@ -17,8 +17,10 @@ */ #include <linux/init.h> #include <linux/pci.h> +#include <linux/kernel.h> #include <asm/io.h> +#include <asm/i8259.h> #include <asm/vr41xx/cmbvr4133.h> extern int vr4133_rockhopper; @@ -142,7 +144,7 @@ int rockhopper_get_irq(struct pci_dev *dev, u8 pin, u8 slot) if (bus == NULL) return -1; - for (i = 0; i < sizeof (int_map) / sizeof (int_map[0]); i++) { + for (i = 0; i < ARRAY_SIZE(int_map); i++) { if (int_map[i].bus == bus->number && int_map[i].slot == slot) { int line; for (line = 0; line < 4; line++) @@ -160,17 +162,7 @@ int rockhopper_get_irq(struct pci_dev *dev, u8 pin, u8 slot) #ifdef CONFIG_ROCKHOPPER void i8259_init(void) { - outb(0x11, 0x20); /* Master ICW1 */ - outb(I8259_IRQ_BASE, 0x21); /* Master ICW2 */ - outb(0x04, 0x21); /* Master ICW3 */ - outb(0x01, 0x21); /* Master ICW4 */ - outb(0xff, 0x21); /* Master IMW */ - - outb(0x11, 0xa0); /* Slave ICW1 */ - outb(I8259_IRQ_BASE + 8, 0xa1); /* Slave ICW2 */ - outb(0x02, 0xa1); /* Slave ICW3 */ - outb(0x01, 0xa1); /* Slave ICW4 */ - outb(0xff, 0xa1); /* Slave IMW */ + init_i8259_irqs(); outb(0x00, 0x4d0); outb(0x02, 0x4d1); /* USB IRQ9 is level */ diff --git a/arch/mips/philips/pnx8550/common/int.c b/arch/mips/philips/pnx8550/common/int.c index 2c36c108c4d..d48665ebd33 100644 --- a/arch/mips/philips/pnx8550/common/int.c +++ b/arch/mips/philips/pnx8550/common/int.c @@ -159,7 +159,7 @@ int pnx8550_set_gic_priority(int irq, int priority) } static struct irq_chip level_irq_type = { - .typename = "PNX Level IRQ", + .name = "PNX Level IRQ", .ack = mask_irq, .mask = mask_irq, .mask_ack = mask_irq, diff --git a/arch/mips/philips/pnx8550/common/proc.c b/arch/mips/philips/pnx8550/common/proc.c index 72a016767e0..3f097558ef1 100644 --- a/arch/mips/philips/pnx8550/common/proc.c +++ b/arch/mips/philips/pnx8550/common/proc.c @@ -79,10 +79,7 @@ static int pnx8550_proc_init( void ) // Create /proc/pnx8550 pnx8550_dir = create_proc_entry("pnx8550", S_IFDIR|S_IRUGO, NULL); - if (pnx8550_dir){ - pnx8550_dir->nlink = 1; - } - else { + if (!pnx8550_dir) { printk(KERN_ERR "Can't create pnx8550 proc dir\n"); return -1; } @@ -90,7 +87,6 @@ static int pnx8550_proc_init( void ) // Create /proc/pnx8550/timers pnx8550_timers = create_proc_entry("timers", S_IFREG|S_IRUGO, pnx8550_dir ); if (pnx8550_timers){ - pnx8550_timers->nlink = 1; pnx8550_timers->read_proc = pnx8550_timers_read; } else { @@ -100,7 +96,6 @@ static int pnx8550_proc_init( void ) // Create /proc/pnx8550/registers pnx8550_registers = create_proc_entry("registers", S_IFREG|S_IRUGO, pnx8550_dir ); if (pnx8550_registers){ - pnx8550_registers->nlink = 1; pnx8550_registers->read_proc = pnx8550_registers_read; } else { diff --git a/arch/mips/philips/pnx8550/common/prom.c b/arch/mips/philips/pnx8550/common/prom.c index eb6ec11fef0..8aeed6c2b8c 100644 --- a/arch/mips/philips/pnx8550/common/prom.c +++ b/arch/mips/philips/pnx8550/common/prom.c @@ -106,9 +106,8 @@ int get_ethernet_addr(char *ethernet_addr) return 0; } -unsigned long __init prom_free_prom_memory(void) +void __init prom_free_prom_memory(void) { - return 0; } extern int pnx8550_console_port; diff --git a/arch/mips/pmc-sierra/yosemite/dbg_io.c b/arch/mips/pmc-sierra/yosemite/dbg_io.c index 0f659c9106a..6362c702e38 100644 --- a/arch/mips/pmc-sierra/yosemite/dbg_io.c +++ b/arch/mips/pmc-sierra/yosemite/dbg_io.c @@ -93,7 +93,7 @@ * Functions to READ and WRITE to serial port 1 */ #define SERIAL_READ_1(ofs) (*((volatile unsigned char*) \ - (TITAN_SERIAL_BASE_1 + ofs) + (TITAN_SERIAL_BASE_1 + ofs))) #define SERIAL_WRITE_1(ofs, val) ((*((volatile unsigned char*) \ (TITAN_SERIAL_BASE_1 + ofs))) = val) diff --git a/arch/mips/pmc-sierra/yosemite/irq.c b/arch/mips/pmc-sierra/yosemite/irq.c index adb048527e7..428d1f45a28 100644 --- a/arch/mips/pmc-sierra/yosemite/irq.c +++ b/arch/mips/pmc-sierra/yosemite/irq.c @@ -148,9 +148,9 @@ void __init arch_init_irq(void) { clear_c0_status(ST0_IM); - mips_cpu_irq_init(0); - rm7k_cpu_irq_init(8); - rm9k_cpu_irq_init(12); + mips_cpu_irq_init(); + rm7k_cpu_irq_init(); + rm9k_cpu_irq_init(); #ifdef CONFIG_KGDB /* At this point, initialize the second serial port */ diff --git a/arch/mips/pmc-sierra/yosemite/prom.c b/arch/mips/pmc-sierra/yosemite/prom.c index 9fe4973377c..1e1685e415a 100644 --- a/arch/mips/pmc-sierra/yosemite/prom.c +++ b/arch/mips/pmc-sierra/yosemite/prom.c @@ -132,9 +132,8 @@ void __init prom_init(void) prom_grab_secondary(); } -unsigned long __init prom_free_prom_memory(void) +void __init prom_free_prom_memory(void) { - return 0; } void __init prom_fixup_mem_map(unsigned long start, unsigned long end) diff --git a/arch/mips/pmc-sierra/yosemite/setup.c b/arch/mips/pmc-sierra/yosemite/setup.c index 1b9b0d396d3..6a6e15e4000 100644 --- a/arch/mips/pmc-sierra/yosemite/setup.c +++ b/arch/mips/pmc-sierra/yosemite/setup.c @@ -171,6 +171,7 @@ static void __init py_map_ocd(void) static void __init py_uart_setup(void) { +#ifdef CONFIG_SERIAL_8250 struct uart_port up; /* @@ -188,6 +189,7 @@ static void __init py_uart_setup(void) if (early_serial_setup(&up)) printk(KERN_ERR "Early serial init of port 0 failed\n"); +#endif /* CONFIG_SERIAL_8250 */ } static void __init py_rtc_setup(void) diff --git a/arch/mips/qemu/q-mem.c b/arch/mips/qemu/q-mem.c index d174fac4303..dae39b59de1 100644 --- a/arch/mips/qemu/q-mem.c +++ b/arch/mips/qemu/q-mem.c @@ -1,6 +1,5 @@ #include <linux/init.h> -unsigned long __init prom_free_prom_memory(void) +void __init prom_free_prom_memory(void) { - return 0UL; } diff --git a/arch/mips/sgi-ip22/ip22-eisa.c b/arch/mips/sgi-ip22/ip22-eisa.c index a1a9af6da7b..6b6e97b90c6 100644 --- a/arch/mips/sgi-ip22/ip22-eisa.c +++ b/arch/mips/sgi-ip22/ip22-eisa.c @@ -139,7 +139,7 @@ static void end_eisa1_irq(unsigned int irq) } static struct irq_chip ip22_eisa1_irq_type = { - .typename = "IP22 EISA", + .name = "IP22 EISA", .startup = startup_eisa1_irq, .ack = mask_and_ack_eisa1_irq, .mask = disable_eisa1_irq, @@ -194,7 +194,7 @@ static void end_eisa2_irq(unsigned int irq) } static struct irq_chip ip22_eisa2_irq_type = { - .typename = "IP22 EISA", + .name = "IP22 EISA", .startup = startup_eisa2_irq, .ack = mask_and_ack_eisa2_irq, .mask = disable_eisa2_irq, diff --git a/arch/mips/sgi-ip22/ip22-int.c b/arch/mips/sgi-ip22/ip22-int.c index c44f8be0644..b454924aeb5 100644 --- a/arch/mips/sgi-ip22/ip22-int.c +++ b/arch/mips/sgi-ip22/ip22-int.c @@ -19,6 +19,7 @@ #include <asm/mipsregs.h> #include <asm/addrspace.h> +#include <asm/irq_cpu.h> #include <asm/sgi/ioc.h> #include <asm/sgi/hpc3.h> @@ -52,7 +53,7 @@ static void disable_local0_irq(unsigned int irq) } static struct irq_chip ip22_local0_irq_type = { - .typename = "IP22 local 0", + .name = "IP22 local 0", .ack = disable_local0_irq, .mask = disable_local0_irq, .mask_ack = disable_local0_irq, @@ -73,7 +74,7 @@ void disable_local1_irq(unsigned int irq) } static struct irq_chip ip22_local1_irq_type = { - .typename = "IP22 local 1", + .name = "IP22 local 1", .ack = disable_local1_irq, .mask = disable_local1_irq, .mask_ack = disable_local1_irq, @@ -94,7 +95,7 @@ void disable_local2_irq(unsigned int irq) } static struct irq_chip ip22_local2_irq_type = { - .typename = "IP22 local 2", + .name = "IP22 local 2", .ack = disable_local2_irq, .mask = disable_local2_irq, .mask_ack = disable_local2_irq, @@ -115,7 +116,7 @@ void disable_local3_irq(unsigned int irq) } static struct irq_chip ip22_local3_irq_type = { - .typename = "IP22 local 3", + .name = "IP22 local 3", .ack = disable_local3_irq, .mask = disable_local3_irq, .mask_ack = disable_local3_irq, @@ -253,8 +254,6 @@ asmlinkage void plat_irq_dispatch(void) indy_8254timer_irq(); } -extern void mips_cpu_irq_init(unsigned int irq_base); - void __init arch_init_irq(void) { int i; @@ -316,7 +315,7 @@ void __init arch_init_irq(void) sgint->cmeimask1 = 0; /* init CPU irqs */ - mips_cpu_irq_init(SGINT_CPU); + mips_cpu_irq_init(); for (i = SGINT_LOCAL0; i < SGI_INTERRUPTS; i++) { struct irq_chip *handler; diff --git a/arch/mips/sgi-ip22/ip22-mc.c b/arch/mips/sgi-ip22/ip22-mc.c index b58bd522262..ddb6506d834 100644 --- a/arch/mips/sgi-ip22/ip22-mc.c +++ b/arch/mips/sgi-ip22/ip22-mc.c @@ -202,7 +202,6 @@ void __init sgimc_init(void) } void __init prom_meminit(void) {} -unsigned long __init prom_free_prom_memory(void) +void __init prom_free_prom_memory(void) { - return 0; } diff --git a/arch/mips/sgi-ip27/ip27-irq.c b/arch/mips/sgi-ip27/ip27-irq.c index 319f8803ef6..60ade7690e0 100644 --- a/arch/mips/sgi-ip27/ip27-irq.c +++ b/arch/mips/sgi-ip27/ip27-irq.c @@ -333,7 +333,7 @@ static inline void disable_bridge_irq(unsigned int irq) } static struct irq_chip bridge_irq_type = { - .typename = "bridge", + .name = "bridge", .startup = startup_bridge_irq, .shutdown = shutdown_bridge_irq, .ack = disable_bridge_irq, diff --git a/arch/mips/sgi-ip27/ip27-memory.c b/arch/mips/sgi-ip27/ip27-memory.c index 16e5682b01f..0e3d535e9f4 100644 --- a/arch/mips/sgi-ip27/ip27-memory.c +++ b/arch/mips/sgi-ip27/ip27-memory.c @@ -498,10 +498,9 @@ void __init prom_meminit(void) } } -unsigned long __init prom_free_prom_memory(void) +void __init prom_free_prom_memory(void) { /* We got nothing to free here ... */ - return 0; } extern void pagetable_init(void); diff --git a/arch/mips/sgi-ip27/ip27-timer.c b/arch/mips/sgi-ip27/ip27-timer.c index c20e9899b34..9ce513629b1 100644 --- a/arch/mips/sgi-ip27/ip27-timer.c +++ b/arch/mips/sgi-ip27/ip27-timer.c @@ -181,7 +181,7 @@ static void disable_rt_irq(unsigned int irq) } static struct irq_chip rt_irq_type = { - .typename = "SN HUB RT timer", + .name = "SN HUB RT timer", .ack = disable_rt_irq, .mask = disable_rt_irq, .mask_ack = disable_rt_irq, diff --git a/arch/mips/sgi-ip32/ip32-irq.c b/arch/mips/sgi-ip32/ip32-irq.c index ae063864c02..8c450d9e869 100644 --- a/arch/mips/sgi-ip32/ip32-irq.c +++ b/arch/mips/sgi-ip32/ip32-irq.c @@ -144,7 +144,7 @@ static void end_cpu_irq(unsigned int irq) } static struct irq_chip ip32_cpu_interrupt = { - .typename = "IP32 CPU", + .name = "IP32 CPU", .ack = disable_cpu_irq, .mask = disable_cpu_irq, .mask_ack = disable_cpu_irq, @@ -193,7 +193,7 @@ static void end_crime_irq(unsigned int irq) } static struct irq_chip ip32_crime_interrupt = { - .typename = "IP32 CRIME", + .name = "IP32 CRIME", .ack = mask_and_ack_crime_irq, .mask = disable_crime_irq, .mask_ack = mask_and_ack_crime_irq, @@ -234,7 +234,7 @@ static void end_macepci_irq(unsigned int irq) } static struct irq_chip ip32_macepci_interrupt = { - .typename = "IP32 MACE PCI", + .name = "IP32 MACE PCI", .ack = disable_macepci_irq, .mask = disable_macepci_irq, .mask_ack = disable_macepci_irq, @@ -347,7 +347,7 @@ static void end_maceisa_irq(unsigned irq) } static struct irq_chip ip32_maceisa_interrupt = { - .typename = "IP32 MACE ISA", + .name = "IP32 MACE ISA", .ack = mask_and_ack_maceisa_irq, .mask = disable_maceisa_irq, .mask_ack = mask_and_ack_maceisa_irq, @@ -379,7 +379,7 @@ static void end_mace_irq(unsigned int irq) } static struct irq_chip ip32_mace_interrupt = { - .typename = "IP32 MACE", + .name = "IP32 MACE", .ack = disable_mace_irq, .mask = disable_mace_irq, .mask_ack = disable_mace_irq, diff --git a/arch/mips/sgi-ip32/ip32-memory.c b/arch/mips/sgi-ip32/ip32-memory.c index d37d40a3cda..849d392a001 100644 --- a/arch/mips/sgi-ip32/ip32-memory.c +++ b/arch/mips/sgi-ip32/ip32-memory.c @@ -43,7 +43,6 @@ void __init prom_meminit (void) } -unsigned long __init prom_free_prom_memory (void) +void __init prom_free_prom_memory(void) { - return 0; } diff --git a/arch/mips/sibyte/bcm1480/irq.c b/arch/mips/sibyte/bcm1480/irq.c index 2e8f6b2e242..1dc5d05d896 100644 --- a/arch/mips/sibyte/bcm1480/irq.c +++ b/arch/mips/sibyte/bcm1480/irq.c @@ -82,7 +82,7 @@ extern char sb1250_duart_present[]; #endif static struct irq_chip bcm1480_irq_type = { - .typename = "BCM1480-IMR", + .name = "BCM1480-IMR", .ack = ack_bcm1480_irq, .mask = disable_bcm1480_irq, .mask_ack = ack_bcm1480_irq, diff --git a/arch/mips/sibyte/cfe/setup.c b/arch/mips/sibyte/cfe/setup.c index 6e8952da6e2..9e6099e6962 100644 --- a/arch/mips/sibyte/cfe/setup.c +++ b/arch/mips/sibyte/cfe/setup.c @@ -343,10 +343,9 @@ void __init prom_init(void) prom_meminit(); } -unsigned long __init prom_free_prom_memory(void) +void __init prom_free_prom_memory(void) { /* Not sure what I'm supposed to do here. Nothing, I think */ - return 0; } void prom_putchar(char c) diff --git a/arch/mips/sibyte/sb1250/bcm1250_tbprof.c b/arch/mips/sibyte/sb1250/bcm1250_tbprof.c index d1a906e683b..212547c5731 100644 --- a/arch/mips/sibyte/sb1250/bcm1250_tbprof.c +++ b/arch/mips/sibyte/sb1250/bcm1250_tbprof.c @@ -374,7 +374,7 @@ static long sbprof_tb_ioctl(struct file *filp, return error; } -static struct file_operations sbprof_tb_fops = { +static const struct file_operations sbprof_tb_fops = { .owner = THIS_MODULE, .open = sbprof_tb_open, .release = sbprof_tb_release, diff --git a/arch/mips/sibyte/sb1250/irq.c b/arch/mips/sibyte/sb1250/irq.c index 82ce7533053..148239446e6 100644 --- a/arch/mips/sibyte/sb1250/irq.c +++ b/arch/mips/sibyte/sb1250/irq.c @@ -67,7 +67,7 @@ extern char sb1250_duart_present[]; #endif static struct irq_chip sb1250_irq_type = { - .typename = "SB1250-IMR", + .name = "SB1250-IMR", .ack = ack_sb1250_irq, .mask = disable_sb1250_irq, .mask_ack = ack_sb1250_irq, diff --git a/arch/mips/sibyte/sb1250/prom.c b/arch/mips/sibyte/sb1250/prom.c index 3c33a4517bc..257c4e67435 100644 --- a/arch/mips/sibyte/sb1250/prom.c +++ b/arch/mips/sibyte/sb1250/prom.c @@ -87,10 +87,9 @@ void __init prom_init(void) prom_meminit(); } -unsigned long __init prom_free_prom_memory(void) +void __init prom_free_prom_memory(void) { /* Not sure what I'm supposed to do here. Nothing, I think */ - return 0; } void prom_putchar(char c) diff --git a/arch/mips/sni/irq.c b/arch/mips/sni/irq.c index 8511bcc6d99..039e8e54050 100644 --- a/arch/mips/sni/irq.c +++ b/arch/mips/sni/irq.c @@ -37,7 +37,7 @@ static void end_pciasic_irq(unsigned int irq) } static struct irq_chip pciasic_irq_type = { - .typename = "ASIC-PCI", + .name = "ASIC-PCI", .ack = disable_pciasic_irq, .mask = disable_pciasic_irq, .mask_ack = disable_pciasic_irq, diff --git a/arch/mips/sni/sniprom.c b/arch/mips/sni/sniprom.c index d1d0f1f493b..1213d166f22 100644 --- a/arch/mips/sni/sniprom.c +++ b/arch/mips/sni/sniprom.c @@ -67,9 +67,8 @@ void prom_printf(char *fmt, ...) va_end(args); } -unsigned long prom_free_prom_memory(void) +void __init prom_free_prom_memory(void) { - return 0; } /* diff --git a/arch/mips/tx4927/common/tx4927_irq.c b/arch/mips/tx4927/common/tx4927_irq.c index ed4a19adf36..e7f3e5b84dc 100644 --- a/arch/mips/tx4927/common/tx4927_irq.c +++ b/arch/mips/tx4927/common/tx4927_irq.c @@ -120,7 +120,7 @@ static void tx4927_irq_pic_disable(unsigned int irq); #define TX4927_CP0_NAME "TX4927-CP0" static struct irq_chip tx4927_irq_cp0_type = { - .typename = TX4927_CP0_NAME, + .name = TX4927_CP0_NAME, .ack = tx4927_irq_cp0_disable, .mask = tx4927_irq_cp0_disable, .mask_ack = tx4927_irq_cp0_disable, @@ -129,7 +129,7 @@ static struct irq_chip tx4927_irq_cp0_type = { #define TX4927_PIC_NAME "TX4927-PIC" static struct irq_chip tx4927_irq_pic_type = { - .typename = TX4927_PIC_NAME, + .name = TX4927_PIC_NAME, .ack = tx4927_irq_pic_disable, .mask = tx4927_irq_pic_disable, .mask_ack = tx4927_irq_pic_disable, diff --git a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_irq.c b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_irq.c index b54b529a29f..dcce88f403c 100644 --- a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_irq.c +++ b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_irq.c @@ -228,7 +228,7 @@ static void toshiba_rbtx4927_irq_isa_mask_and_ack(unsigned int irq); #define TOSHIBA_RBTX4927_IOC_NAME "RBTX4927-IOC" static struct irq_chip toshiba_rbtx4927_irq_ioc_type = { - .typename = TOSHIBA_RBTX4927_IOC_NAME, + .name = TOSHIBA_RBTX4927_IOC_NAME, .ack = toshiba_rbtx4927_irq_ioc_disable, .mask = toshiba_rbtx4927_irq_ioc_disable, .mask_ack = toshiba_rbtx4927_irq_ioc_disable, @@ -241,7 +241,7 @@ static struct irq_chip toshiba_rbtx4927_irq_ioc_type = { #ifdef CONFIG_TOSHIBA_FPCIB0 #define TOSHIBA_RBTX4927_ISA_NAME "RBTX4927-ISA" static struct irq_chip toshiba_rbtx4927_irq_isa_type = { - .typename = TOSHIBA_RBTX4927_ISA_NAME, + .name = TOSHIBA_RBTX4927_ISA_NAME, .ack = toshiba_rbtx4927_irq_isa_mask_and_ack, .mask = toshiba_rbtx4927_irq_isa_disable, .mask_ack = toshiba_rbtx4927_irq_isa_mask_and_ack, @@ -490,13 +490,13 @@ void toshiba_rbtx4927_irq_dump(char *key) { u32 i, j = 0; for (i = 0; i < NR_IRQS; i++) { - if (strcmp(irq_desc[i].chip->typename, "none") + if (strcmp(irq_desc[i].chip->name, "none") == 0) continue; if ((i >= 1) - && (irq_desc[i - 1].chip->typename == - irq_desc[i].chip->typename)) { + && (irq_desc[i - 1].chip->name == + irq_desc[i].chip->name)) { j++; } else { j = 0; @@ -510,7 +510,7 @@ void toshiba_rbtx4927_irq_dump(char *key) (u32) (irq_desc[i].action ? irq_desc[i]. action->handler : 0), irq_desc[i].depth, - irq_desc[i].chip->typename, j); + irq_desc[i].chip->name, j); } } #endif diff --git a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_prom.c b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_prom.c index efe50562f0c..9a3a5babd1f 100644 --- a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_prom.c +++ b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_prom.c @@ -80,9 +80,8 @@ void __init prom_init(void) add_memory_region(0, msize << 20, BOOT_MEM_RAM); } -unsigned long __init prom_free_prom_memory(void) +void __init prom_free_prom_memory(void) { - return 0; } const char *get_system_type(void) diff --git a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c index 735cb8778f4..7316a78fdd6 100644 --- a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c +++ b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c @@ -137,6 +137,8 @@ int tx4927_using_backplane = 0; extern void gt64120_time_init(void); extern void toshiba_rbtx4927_irq_setup(void); +char *prom_getcmdline(void); + #ifdef CONFIG_PCI #define CONFIG_TX4927BUG_WORKAROUND #undef TX4927_SUPPORT_COMMAND_IO diff --git a/arch/mips/tx4938/common/irq.c b/arch/mips/tx4938/common/irq.c index a347b424d91..3a2dbfc2501 100644 --- a/arch/mips/tx4938/common/irq.c +++ b/arch/mips/tx4938/common/irq.c @@ -49,7 +49,7 @@ static void tx4938_irq_pic_disable(unsigned int irq); #define TX4938_CP0_NAME "TX4938-CP0" static struct irq_chip tx4938_irq_cp0_type = { - .typename = TX4938_CP0_NAME, + .name = TX4938_CP0_NAME, .ack = tx4938_irq_cp0_disable, .mask = tx4938_irq_cp0_disable, .mask_ack = tx4938_irq_cp0_disable, @@ -58,7 +58,7 @@ static struct irq_chip tx4938_irq_cp0_type = { #define TX4938_PIC_NAME "TX4938-PIC" static struct irq_chip tx4938_irq_pic_type = { - .typename = TX4938_PIC_NAME, + .name = TX4938_PIC_NAME, .ack = tx4938_irq_pic_disable, .mask = tx4938_irq_pic_disable, .mask_ack = tx4938_irq_pic_disable, diff --git a/arch/mips/tx4938/toshiba_rbtx4938/irq.c b/arch/mips/tx4938/toshiba_rbtx4938/irq.c index b6f363d0801..2e96dbb248b 100644 --- a/arch/mips/tx4938/toshiba_rbtx4938/irq.c +++ b/arch/mips/tx4938/toshiba_rbtx4938/irq.c @@ -92,7 +92,7 @@ static void toshiba_rbtx4938_irq_ioc_disable(unsigned int irq); #define TOSHIBA_RBTX4938_IOC_NAME "RBTX4938-IOC" static struct irq_chip toshiba_rbtx4938_irq_ioc_type = { - .typename = TOSHIBA_RBTX4938_IOC_NAME, + .name = TOSHIBA_RBTX4938_IOC_NAME, .ack = toshiba_rbtx4938_irq_ioc_disable, .mask = toshiba_rbtx4938_irq_ioc_disable, .mask_ack = toshiba_rbtx4938_irq_ioc_disable, diff --git a/arch/mips/tx4938/toshiba_rbtx4938/prom.c b/arch/mips/tx4938/toshiba_rbtx4938/prom.c index e44daf30a7c..7dc6a0aae21 100644 --- a/arch/mips/tx4938/toshiba_rbtx4938/prom.c +++ b/arch/mips/tx4938/toshiba_rbtx4938/prom.c @@ -56,9 +56,8 @@ void __init prom_init(void) return; } -unsigned long __init prom_free_prom_memory(void) +void __init prom_free_prom_memory(void) { - return 0; } void __init prom_fixup_mem_map(unsigned long start, unsigned long end) diff --git a/arch/mips/vr41xx/common/icu.c b/arch/mips/vr41xx/common/icu.c index c075261976c..adabc6bad44 100644 --- a/arch/mips/vr41xx/common/icu.c +++ b/arch/mips/vr41xx/common/icu.c @@ -3,7 +3,7 @@ * * Copyright (C) 2001-2002 MontaVista Software Inc. * Author: Yoichi Yuasa <yyuasa@mvista.com or source@mvista.com> - * Copyright (C) 2003-2005 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2003-2006 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -68,6 +68,7 @@ static unsigned char sysint2_assign[16] = { #define MPIUINTREG 0x0e #define MAIUINTREG 0x10 #define MKIUINTREG 0x12 +#define MMACINTREG 0x12 #define MGIUINTLREG 0x14 #define MDSIUINTREG 0x16 #define NMIREG 0x18 @@ -241,6 +242,30 @@ void vr41xx_disable_kiuint(uint16_t mask) EXPORT_SYMBOL(vr41xx_disable_kiuint); +void vr41xx_enable_macint(uint16_t mask) +{ + struct irq_desc *desc = irq_desc + ETHERNET_IRQ; + unsigned long flags; + + spin_lock_irqsave(&desc->lock, flags); + icu1_set(MMACINTREG, mask); + spin_unlock_irqrestore(&desc->lock, flags); +} + +EXPORT_SYMBOL(vr41xx_enable_macint); + +void vr41xx_disable_macint(uint16_t mask) +{ + struct irq_desc *desc = irq_desc + ETHERNET_IRQ; + unsigned long flags; + + spin_lock_irqsave(&desc->lock, flags); + icu1_clear(MMACINTREG, mask); + spin_unlock_irqrestore(&desc->lock, flags); +} + +EXPORT_SYMBOL(vr41xx_disable_macint); + void vr41xx_enable_dsiuint(uint16_t mask) { struct irq_desc *desc = irq_desc + DSIU_IRQ; @@ -428,7 +453,7 @@ static void enable_sysint1_irq(unsigned int irq) } static struct irq_chip sysint1_irq_type = { - .typename = "SYSINT1", + .name = "SYSINT1", .ack = disable_sysint1_irq, .mask = disable_sysint1_irq, .mask_ack = disable_sysint1_irq, @@ -446,7 +471,7 @@ static void enable_sysint2_irq(unsigned int irq) } static struct irq_chip sysint2_irq_type = { - .typename = "SYSINT2", + .name = "SYSINT2", .ack = disable_sysint2_irq, .mask = disable_sysint2_irq, .mask_ack = disable_sysint2_irq, diff --git a/arch/mips/vr41xx/common/init.c b/arch/mips/vr41xx/common/init.c index a2e285c1d4d..4f97e0ba9e2 100644 --- a/arch/mips/vr41xx/common/init.c +++ b/arch/mips/vr41xx/common/init.c @@ -81,7 +81,6 @@ void __init prom_init(void) } } -unsigned long __init prom_free_prom_memory (void) +void __init prom_free_prom_memory(void) { - return 0UL; } diff --git a/arch/mips/vr41xx/common/irq.c b/arch/mips/vr41xx/common/irq.c index 16decf4ac2f..cba36a247e3 100644 --- a/arch/mips/vr41xx/common/irq.c +++ b/arch/mips/vr41xx/common/irq.c @@ -95,27 +95,27 @@ asmlinkage void plat_irq_dispatch(void) unsigned int pending = read_c0_cause() & read_c0_status() & ST0_IM; if (pending & CAUSEF_IP7) - do_IRQ(7); + do_IRQ(TIMER_IRQ); else if (pending & 0x7800) { if (pending & CAUSEF_IP3) - irq_dispatch(3); + irq_dispatch(INT1_IRQ); else if (pending & CAUSEF_IP4) - irq_dispatch(4); + irq_dispatch(INT2_IRQ); else if (pending & CAUSEF_IP5) - irq_dispatch(5); + irq_dispatch(INT3_IRQ); else if (pending & CAUSEF_IP6) - irq_dispatch(6); + irq_dispatch(INT4_IRQ); } else if (pending & CAUSEF_IP2) - irq_dispatch(2); + irq_dispatch(INT0_IRQ); else if (pending & CAUSEF_IP0) - do_IRQ(0); + do_IRQ(MIPS_SOFTINT0_IRQ); else if (pending & CAUSEF_IP1) - do_IRQ(1); + do_IRQ(MIPS_SOFTINT1_IRQ); else spurious_interrupt(); } void __init arch_init_irq(void) { - mips_cpu_irq_init(MIPS_CPU_IRQ_BASE); + mips_cpu_irq_init(); } diff --git a/arch/mips/vr41xx/nec-cmbvr4133/irq.c b/arch/mips/vr41xx/nec-cmbvr4133/irq.c index 128ed8d6f11..7d2d076b0f5 100644 --- a/arch/mips/vr41xx/nec-cmbvr4133/irq.c +++ b/arch/mips/vr41xx/nec-cmbvr4133/irq.c @@ -21,60 +21,16 @@ #include <linux/interrupt.h> #include <asm/io.h> +#include <asm/i8259.h> #include <asm/vr41xx/cmbvr4133.h> -extern void enable_8259A_irq(unsigned int irq); -extern void disable_8259A_irq(unsigned int irq); -extern void mask_and_ack_8259A(unsigned int irq); -extern void init_8259A(int hoge); - extern int vr4133_rockhopper; -static void enable_i8259_irq(unsigned int irq) -{ - enable_8259A_irq(irq - I8259_IRQ_BASE); -} - -static void disable_i8259_irq(unsigned int irq) -{ - disable_8259A_irq(irq - I8259_IRQ_BASE); -} - -static void ack_i8259_irq(unsigned int irq) -{ - mask_and_ack_8259A(irq - I8259_IRQ_BASE); -} - -static struct irq_chip i8259_irq_type = { - .typename = "XT-PIC", - .ack = ack_i8259_irq, - .mask = disable_i8259_irq, - .mask_ack = ack_i8259_irq, - .unmask = enable_i8259_irq, -}; - static int i8259_get_irq_number(int irq) { - unsigned long isr; - - isr = inb(0x20); - irq = ffz(~isr); - if (irq == 2) { - isr = inb(0xa0); - irq = 8 + ffz(~isr); - } - - if (irq < 0 || irq > 15) - return -EINVAL; - - return I8259_IRQ_BASE + irq; + return i8259_irq(); } -static struct irqaction i8259_slave_cascade = { - .handler = &no_action, - .name = "cascade", -}; - void __init rockhopper_init_irq(void) { int i; @@ -84,11 +40,6 @@ void __init rockhopper_init_irq(void) return; } - for (i = I8259_IRQ_BASE; i <= I8259_IRQ_LAST; i++) - set_irq_chip_and_handler(i, &i8259_irq_type, handle_level_irq); - - setup_irq(I8259_SLAVE_IRQ, &i8259_slave_cascade); - vr41xx_set_irq_trigger(CMBVR41XX_INTC_PIN, TRIGGER_LEVEL, SIGNAL_THROUGH); vr41xx_set_irq_level(CMBVR41XX_INTC_PIN, LEVEL_HIGH); vr41xx_cascade_irq(CMBVR41XX_INTC_IRQ, i8259_get_irq_number); diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig index 0f9ff618c6d..28da4e71c44 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -50,9 +50,6 @@ config TIME_LOW_RES depends on SMP default y -config GENERIC_ISA_DMA - bool - config GENERIC_HARDIRQS def_bool y diff --git a/arch/parisc/kernel/perf.c b/arch/parisc/kernel/perf.c index ac8ee205c35..a46bc62b643 100644 --- a/arch/parisc/kernel/perf.c +++ b/arch/parisc/kernel/perf.c @@ -479,7 +479,7 @@ static long perf_ioctl(struct file *file, unsigned int cmd, unsigned long arg) return error; } -static struct file_operations perf_fops = { +static const struct file_operations perf_fops = { .llseek = no_llseek, .read = perf_read, .write = perf_write, diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c index 3c7a3faf78e..74b3686dd1e 100644 --- a/arch/parisc/kernel/setup.c +++ b/arch/parisc/kernel/setup.c @@ -45,7 +45,7 @@ #include <asm/io.h> #include <asm/setup.h> -char command_line[COMMAND_LINE_SIZE] __read_mostly; +char __initdata command_line[COMMAND_LINE_SIZE] __read_mostly; /* Intended for ccio/sba/cpu statistics under /proc/bus/{runway|gsc} */ struct proc_dir_entry * proc_runway_root __read_mostly = NULL; @@ -71,9 +71,9 @@ void __init setup_cmdline(char **cmdline_p) /* boot_args[0] is free-mem start, boot_args[1] is ptr to command line */ if (boot_args[0] < 64) { /* called from hpux boot loader */ - saved_command_line[0] = '\0'; + boot_command_line[0] = '\0'; } else { - strcpy(saved_command_line, (char *)__va(boot_args[1])); + strcpy(boot_command_line, (char *)__va(boot_args[1])); #ifdef CONFIG_BLK_DEV_INITRD if (boot_args[2] != 0) /* did palo pass us a ramdisk? */ @@ -84,7 +84,7 @@ void __init setup_cmdline(char **cmdline_p) #endif } - strcpy(command_line, saved_command_line); + strcpy(command_line, boot_command_line); *cmdline_p = command_line; } diff --git a/arch/parisc/kernel/sys_parisc32.c b/arch/parisc/kernel/sys_parisc32.c index 29be4377aca..ce3245f87fd 100644 --- a/arch/parisc/kernel/sys_parisc32.c +++ b/arch/parisc/kernel/sys_parisc32.c @@ -579,70 +579,6 @@ asmlinkage int sys32_sendfile64(int out_fd, int in_fd, compat_loff_t __user *off } -struct sysinfo32 { - s32 uptime; - u32 loads[3]; - u32 totalram; - u32 freeram; - u32 sharedram; - u32 bufferram; - u32 totalswap; - u32 freeswap; - unsigned short procs; - u32 totalhigh; - u32 freehigh; - u32 mem_unit; - char _f[12]; -}; - -/* We used to call sys_sysinfo and translate the result. But sys_sysinfo - * undoes the good work done elsewhere, and rather than undoing the - * damage, I decided to just duplicate the code from sys_sysinfo here. - */ - -asmlinkage int sys32_sysinfo(struct sysinfo32 __user *info) -{ - struct sysinfo val; - int err; - unsigned long seq; - - /* We don't need a memset here because we copy the - * struct to userspace once element at a time. - */ - - do { - seq = read_seqbegin(&xtime_lock); - val.uptime = jiffies / HZ; - - val.loads[0] = avenrun[0] << (SI_LOAD_SHIFT - FSHIFT); - val.loads[1] = avenrun[1] << (SI_LOAD_SHIFT - FSHIFT); - val.loads[2] = avenrun[2] << (SI_LOAD_SHIFT - FSHIFT); - - val.procs = nr_threads; - } while (read_seqretry(&xtime_lock, seq)); - - - si_meminfo(&val); - si_swapinfo(&val); - - err = put_user (val.uptime, &info->uptime); - err |= __put_user (val.loads[0], &info->loads[0]); - err |= __put_user (val.loads[1], &info->loads[1]); - err |= __put_user (val.loads[2], &info->loads[2]); - err |= __put_user (val.totalram, &info->totalram); - err |= __put_user (val.freeram, &info->freeram); - err |= __put_user (val.sharedram, &info->sharedram); - err |= __put_user (val.bufferram, &info->bufferram); - err |= __put_user (val.totalswap, &info->totalswap); - err |= __put_user (val.freeswap, &info->freeswap); - err |= __put_user (val.procs, &info->procs); - err |= __put_user (val.totalhigh, &info->totalhigh); - err |= __put_user (val.freehigh, &info->freehigh); - err |= __put_user (val.mem_unit, &info->mem_unit); - return err ? -EFAULT : 0; -} - - /* lseek() needs a wrapper because 'offset' can be negative, but the top * half of the argument has been zeroed by syscall.S. */ diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S index 701d66a596e..be8eb9a0d24 100644 --- a/arch/parisc/kernel/syscall_table.S +++ b/arch/parisc/kernel/syscall_table.S @@ -197,7 +197,7 @@ /* struct rusage contains longs... */ ENTRY_COMP(wait4) ENTRY_SAME(swapoff) /* 115 */ - ENTRY_DIFF(sysinfo) + ENTRY_COMP(sysinfo) ENTRY_SAME(shutdown) ENTRY_SAME(fsync) ENTRY_SAME(madvise) diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c index bad7d1eb62b..5f1b51af06a 100644 --- a/arch/parisc/kernel/time.c +++ b/arch/parisc/kernel/time.c @@ -288,17 +288,6 @@ do_settimeofday (struct timespec *tv) } EXPORT_SYMBOL(do_settimeofday); -/* - * XXX: We can do better than this. - * Returns nanoseconds - */ - -unsigned long long sched_clock(void) -{ - return (unsigned long long)jiffies * (1000000000 / HZ); -} - - void __init start_cpu_itimer(void) { unsigned int cpu = smp_processor_id(); diff --git a/arch/parisc/kernel/vmlinux.lds.S b/arch/parisc/kernel/vmlinux.lds.S index 7b943b45f7c..3b78c2794c3 100644 --- a/arch/parisc/kernel/vmlinux.lds.S +++ b/arch/parisc/kernel/vmlinux.lds.S @@ -173,10 +173,12 @@ SECTIONS from .altinstructions and .eh_frame */ .exit.text : { *(.exit.text) } .exit.data : { *(.exit.data) } +#ifdef CONFIG_BLK_DEV_INITRD . = ALIGN(ASM_PAGE_SIZE); __initramfs_start = .; .init.ramfs : { *(.init.ramfs) } __initramfs_end = .; +#endif . = ALIGN(32); __per_cpu_start = .; .data.percpu : { *(.data.percpu) } diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c index 0667f2b4f97..12117db0043 100644 --- a/arch/parisc/mm/init.c +++ b/arch/parisc/mm/init.c @@ -77,12 +77,11 @@ static void __init mem_limit_func(void) { char *cp, *end; unsigned long limit; - extern char saved_command_line[]; /* We need this before __setup() functions are called */ limit = MAX_MEM; - for (cp = saved_command_line; *cp; ) { + for (cp = boot_command_line; *cp; ) { if (memcmp(cp, "mem=", 4) == 0) { cp += 4; limit = memparse(cp, &end); @@ -808,9 +807,7 @@ void __init paging_init(void) for (i = 0; i < npmem_ranges; i++) { unsigned long zones_size[MAX_NR_ZONES] = { 0, }; - /* We have an IOMMU, so all memory can go into a single - ZONE_DMA zone. */ - zones_size[ZONE_DMA] = pmem_ranges[i].pages; + zones_size[ZONE_NORMAL] = pmem_ranges[i].pages; #ifdef CONFIG_DISCONTIGMEM /* Need to initialize the pfnnid_map before we can initialize diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index abc6bd2f858..0088c5ebca7 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -552,6 +552,11 @@ config PPC_PS3 bool "Sony PS3 (incomplete)" depends on PPC_MULTIPLATFORM && PPC64 select PPC_CELL + select USB_ARCH_HAS_OHCI + select USB_OHCI_LITTLE_ENDIAN + select USB_OHCI_BIG_ENDIAN_MMIO + select USB_ARCH_HAS_EHCI + select USB_EHCI_BIG_ENDIAN_MMIO help This option enables support for the Sony PS3 game console and other platforms using the PS3 hypervisor. @@ -972,6 +977,10 @@ config ISA have an IBM RS/6000 or pSeries machine or a PReP machine, say Y. If you have an embedded board, consult your board documentation. +config ZONE_DMA + bool + default y + config GENERIC_ISA_DMA bool depends on PPC64 || POWER4 || 6xx && !CPM2 diff --git a/arch/powerpc/configs/ps3_defconfig b/arch/powerpc/configs/ps3_defconfig index ec644b34a08..0345a2ceec5 100644 --- a/arch/powerpc/configs/ps3_defconfig +++ b/arch/powerpc/configs/ps3_defconfig @@ -163,6 +163,7 @@ CONFIG_PS3_HTAB_SIZE=20 # CONFIG_PS3_DYNAMIC_DMA is not set CONFIG_PS3_USE_LPAR_ADDR=y CONFIG_PS3_VUART=y +CONFIG_PS3_PS3AV=y # # Kernel options @@ -611,14 +612,40 @@ CONFIG_GEN_RTC=y # Graphics support # # CONFIG_FIRMWARE_EDID is not set -# CONFIG_FB is not set +CONFIG_FB=y +CONFIG_FB_CFB_FILLRECT=y +CONFIG_FB_CFB_COPYAREA=y +CONFIG_FB_CFB_IMAGEBLIT=y +# CONFIG_FB_MACMODES is not set +# CONFIG_FB_BACKLIGHT is not set +# CONFIG_FB_MODE_HELPERS is not set +# CONFIG_FB_TILEBLITTING is not set +# CONFIG_FB_OF is not set +# CONFIG_FB_VGA16 is not set +# CONFIG_FB_S1D13XXX is not set # CONFIG_FB_IBM_GXT4500 is not set +CONFIG_FB_PS3=y +CONFIG_FB_PS3_DEFAULT_SIZE_M=18 +# CONFIG_FB_VIRTUAL is not set # # Console display driver support # # CONFIG_VGA_CONSOLE is not set CONFIG_DUMMY_CONSOLE=y +CONFIG_FRAMEBUFFER_CONSOLE=y +# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set +# CONFIG_FONTS is not set +CONFIG_FONT_8x8=y +CONFIG_FONT_8x16=y + +# +# Logo configuration +# +CONFIG_LOGO=y +# CONFIG_LOGO_LINUX_MONO is not set +# CONFIG_LOGO_LINUX_VGA16 is not set +CONFIG_LOGO_LINUX_CLUT224=y # CONFIG_BACKLIGHT_LCD_SUPPORT is not set # diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c index 5e6ddfa474c..89f46f37792 100644 --- a/arch/powerpc/kernel/legacy_serial.c +++ b/arch/powerpc/kernel/legacy_serial.c @@ -498,7 +498,7 @@ static int __init check_legacy_serial_console(void) DBG(" -> check_legacy_serial_console()\n"); /* The user has requested a console so this is already set up. */ - if (strstr(saved_command_line, "console=")) { + if (strstr(boot_command_line, "console=")) { DBG(" console was specified !\n"); return -EBUSY; } diff --git a/arch/powerpc/kernel/lparcfg.c b/arch/powerpc/kernel/lparcfg.c index 0de5a08cf9b..89486b63128 100644 --- a/arch/powerpc/kernel/lparcfg.c +++ b/arch/powerpc/kernel/lparcfg.c @@ -571,7 +571,7 @@ static int lparcfg_open(struct inode *inode, struct file *file) return single_open(file, lparcfg_data, NULL); } -struct file_operations lparcfg_fops = { +const struct file_operations lparcfg_fops = { .owner = THIS_MODULE, .read = seq_read, .write = lparcfg_write, diff --git a/arch/powerpc/kernel/nvram_64.c b/arch/powerpc/kernel/nvram_64.c index 869cebbba96..f9676f52c6d 100644 --- a/arch/powerpc/kernel/nvram_64.c +++ b/arch/powerpc/kernel/nvram_64.c @@ -179,7 +179,7 @@ static int dev_nvram_ioctl(struct inode *inode, struct file *file, } } -struct file_operations nvram_fops = { +const struct file_operations nvram_fops = { .owner = THIS_MODULE, .llseek = dev_nvram_llseek, .read = dev_nvram_read, diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c index 6828df4afd9..7e97d71a5f8 100644 --- a/arch/powerpc/kernel/pci_64.c +++ b/arch/powerpc/kernel/pci_64.c @@ -381,8 +381,6 @@ struct pci_dev *of_create_pci_dev(struct device_node *node, pci_device_add(dev, bus); - /* XXX pci_scan_msi_device(dev); */ - return dev; } EXPORT_SYMBOL(of_create_pci_dev); diff --git a/arch/powerpc/kernel/proc_ppc64.c b/arch/powerpc/kernel/proc_ppc64.c index dd7001cacf7..f78dfce1b77 100644 --- a/arch/powerpc/kernel/proc_ppc64.c +++ b/arch/powerpc/kernel/proc_ppc64.c @@ -33,7 +33,7 @@ static ssize_t page_map_read( struct file *file, char __user *buf, size_t nbytes loff_t *ppos); static int page_map_mmap( struct file *file, struct vm_area_struct *vma ); -static struct file_operations page_map_fops = { +static const struct file_operations page_map_fops = { .llseek = page_map_seek, .read = page_map_read, .mmap = page_map_mmap @@ -71,7 +71,6 @@ static int __init proc_ppc64_init(void) pde = create_proc_entry("ppc64/systemcfg", S_IFREG|S_IRUGO, NULL); if (!pde) return 1; - pde->nlink = 1; pde->data = vdso_data; pde->size = PAGE_SIZE; pde->proc_fops = &page_map_fops; diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 3be52d693ec..3e86e6e0f77 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -991,7 +991,7 @@ void __init early_init_devtree(void *params) of_scan_flat_dt(early_init_dt_scan_memory, NULL); /* Save command line for /proc/cmdline and then parse parameters */ - strlcpy(saved_command_line, cmd_line, COMMAND_LINE_SIZE); + strlcpy(boot_command_line, cmd_line, COMMAND_LINE_SIZE); parse_early_param(); /* Reserve LMB regions used by kernel, initrd, dt, etc... */ diff --git a/arch/powerpc/kernel/rtas-proc.c b/arch/powerpc/kernel/rtas-proc.c index 2fe82abf1c5..6cbf2ae5d7a 100644 --- a/arch/powerpc/kernel/rtas-proc.c +++ b/arch/powerpc/kernel/rtas-proc.c @@ -160,7 +160,7 @@ static int sensors_open(struct inode *inode, struct file *file) return single_open(file, ppc_rtas_sensors_show, NULL); } -struct file_operations ppc_rtas_sensors_operations = { +const struct file_operations ppc_rtas_sensors_operations = { .open = sensors_open, .read = seq_read, .llseek = seq_lseek, @@ -172,7 +172,7 @@ static int poweron_open(struct inode *inode, struct file *file) return single_open(file, ppc_rtas_poweron_show, NULL); } -struct file_operations ppc_rtas_poweron_operations = { +const struct file_operations ppc_rtas_poweron_operations = { .open = poweron_open, .read = seq_read, .llseek = seq_lseek, @@ -185,7 +185,7 @@ static int progress_open(struct inode *inode, struct file *file) return single_open(file, ppc_rtas_progress_show, NULL); } -struct file_operations ppc_rtas_progress_operations = { +const struct file_operations ppc_rtas_progress_operations = { .open = progress_open, .read = seq_read, .llseek = seq_lseek, @@ -198,7 +198,7 @@ static int clock_open(struct inode *inode, struct file *file) return single_open(file, ppc_rtas_clock_show, NULL); } -struct file_operations ppc_rtas_clock_operations = { +const struct file_operations ppc_rtas_clock_operations = { .open = clock_open, .read = seq_read, .llseek = seq_lseek, @@ -211,7 +211,7 @@ static int tone_freq_open(struct inode *inode, struct file *file) return single_open(file, ppc_rtas_tone_freq_show, NULL); } -struct file_operations ppc_rtas_tone_freq_operations = { +const struct file_operations ppc_rtas_tone_freq_operations = { .open = tone_freq_open, .read = seq_read, .llseek = seq_lseek, @@ -224,7 +224,7 @@ static int tone_volume_open(struct inode *inode, struct file *file) return single_open(file, ppc_rtas_tone_volume_show, NULL); } -struct file_operations ppc_rtas_tone_volume_operations = { +const struct file_operations ppc_rtas_tone_volume_operations = { .open = tone_volume_open, .read = seq_read, .llseek = seq_lseek, @@ -237,7 +237,7 @@ static int rmo_buf_open(struct inode *inode, struct file *file) return single_open(file, ppc_rtas_rmo_buf_show, NULL); } -struct file_operations ppc_rtas_rmo_buf_ops = { +const struct file_operations ppc_rtas_rmo_buf_ops = { .open = rmo_buf_open, .read = seq_read, .llseek = seq_lseek, diff --git a/arch/powerpc/kernel/rtas_flash.c b/arch/powerpc/kernel/rtas_flash.c index 0c4fcd34bfe..f72118c0844 100644 --- a/arch/powerpc/kernel/rtas_flash.c +++ b/arch/powerpc/kernel/rtas_flash.c @@ -702,13 +702,12 @@ static int initialize_flash_pde_data(const char *rtas_call_name, } static struct proc_dir_entry *create_flash_pde(const char *filename, - struct file_operations *fops) + const struct file_operations *fops) { struct proc_dir_entry *ent = NULL; ent = create_proc_entry(filename, S_IRUSR | S_IWUSR, NULL); if (ent != NULL) { - ent->nlink = 1; ent->proc_fops = fops; ent->owner = THIS_MODULE; } @@ -716,21 +715,21 @@ static struct proc_dir_entry *create_flash_pde(const char *filename, return ent; } -static struct file_operations rtas_flash_operations = { +static const struct file_operations rtas_flash_operations = { .read = rtas_flash_read, .write = rtas_flash_write, .open = rtas_excl_open, .release = rtas_flash_release, }; -static struct file_operations manage_flash_operations = { +static const struct file_operations manage_flash_operations = { .read = manage_flash_read, .write = manage_flash_write, .open = rtas_excl_open, .release = rtas_excl_release, }; -static struct file_operations validate_flash_operations = { +static const struct file_operations validate_flash_operations = { .read = validate_flash_read, .write = validate_flash_write, .open = rtas_excl_open, diff --git a/arch/powerpc/kernel/sys_ppc32.c b/arch/powerpc/kernel/sys_ppc32.c index 03a2a2f30d6..673e8d9df7f 100644 --- a/arch/powerpc/kernel/sys_ppc32.c +++ b/arch/powerpc/kernel/sys_ppc32.c @@ -198,73 +198,6 @@ static inline long put_tv32(struct compat_timeval __user *o, struct timeval *i) __put_user(i->tv_usec, &o->tv_usec))); } -struct sysinfo32 { - s32 uptime; - u32 loads[3]; - u32 totalram; - u32 freeram; - u32 sharedram; - u32 bufferram; - u32 totalswap; - u32 freeswap; - unsigned short procs; - unsigned short pad; - u32 totalhigh; - u32 freehigh; - u32 mem_unit; - char _f[20-2*sizeof(int)-sizeof(int)]; -}; - -asmlinkage long compat_sys_sysinfo(struct sysinfo32 __user *info) -{ - struct sysinfo s; - int ret, err; - int bitcount=0; - mm_segment_t old_fs = get_fs (); - - /* The __user cast is valid due to set_fs() */ - set_fs (KERNEL_DS); - ret = sys_sysinfo((struct sysinfo __user *)&s); - set_fs (old_fs); - - /* Check to see if any memory value is too large for 32-bit and - * scale down if needed. - */ - if ((s.totalram >> 32) || (s.totalswap >> 32)) { - while (s.mem_unit < PAGE_SIZE) { - s.mem_unit <<= 1; - bitcount++; - } - s.totalram >>=bitcount; - s.freeram >>= bitcount; - s.sharedram >>= bitcount; - s.bufferram >>= bitcount; - s.totalswap >>= bitcount; - s.freeswap >>= bitcount; - s.totalhigh >>= bitcount; - s.freehigh >>= bitcount; - } - - err = put_user (s.uptime, &info->uptime); - err |= __put_user (s.loads[0], &info->loads[0]); - err |= __put_user (s.loads[1], &info->loads[1]); - err |= __put_user (s.loads[2], &info->loads[2]); - err |= __put_user (s.totalram, &info->totalram); - err |= __put_user (s.freeram, &info->freeram); - err |= __put_user (s.sharedram, &info->sharedram); - err |= __put_user (s.bufferram, &info->bufferram); - err |= __put_user (s.totalswap, &info->totalswap); - err |= __put_user (s.freeswap, &info->freeswap); - err |= __put_user (s.procs, &info->procs); - err |= __put_user (s.totalhigh, &info->totalhigh); - err |= __put_user (s.freehigh, &info->freehigh); - err |= __put_user (s.mem_unit, &info->mem_unit); - if (err) - return -EFAULT; - - return ret; -} - diff --git a/arch/powerpc/kernel/udbg.c b/arch/powerpc/kernel/udbg.c index 8f5afdbad0d..194a93eeb3e 100644 --- a/arch/powerpc/kernel/udbg.c +++ b/arch/powerpc/kernel/udbg.c @@ -150,7 +150,7 @@ void __init disable_early_printk(void) { if (!early_console_initialized) return; - if (strstr(saved_command_line, "udbg-immortal")) { + if (strstr(boot_command_line, "udbg-immortal")) { printk(KERN_INFO "early console immortal !\n"); return; } diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c index ae0ede19879..50149ec6efa 100644 --- a/arch/powerpc/kernel/vdso.c +++ b/arch/powerpc/kernel/vdso.c @@ -49,9 +49,13 @@ /* Max supported size for symbol names */ #define MAX_SYMNAME 64 +#define VDSO32_MAXPAGES (((0x3000 + PAGE_MASK) >> PAGE_SHIFT) + 2) +#define VDSO64_MAXPAGES (((0x3000 + PAGE_MASK) >> PAGE_SHIFT) + 2) + extern char vdso32_start, vdso32_end; static void *vdso32_kbase = &vdso32_start; unsigned int vdso32_pages; +static struct page *vdso32_pagelist[VDSO32_MAXPAGES]; unsigned long vdso32_sigtramp; unsigned long vdso32_rt_sigtramp; @@ -59,6 +63,7 @@ unsigned long vdso32_rt_sigtramp; extern char vdso64_start, vdso64_end; static void *vdso64_kbase = &vdso64_start; unsigned int vdso64_pages; +static struct page *vdso64_pagelist[VDSO64_MAXPAGES]; unsigned long vdso64_rt_sigtramp; #endif /* CONFIG_PPC64 */ @@ -165,55 +170,6 @@ static void dump_vdso_pages(struct vm_area_struct * vma) #endif /* DEBUG */ /* - * Keep a dummy vma_close for now, it will prevent VMA merging. - */ -static void vdso_vma_close(struct vm_area_struct * vma) -{ -} - -/* - * Our nopage() function, maps in the actual vDSO kernel pages, they will - * be mapped read-only by do_no_page(), and eventually COW'ed, either - * right away for an initial write access, or by do_wp_page(). - */ -static struct page * vdso_vma_nopage(struct vm_area_struct * vma, - unsigned long address, int *type) -{ - unsigned long offset = address - vma->vm_start; - struct page *pg; -#ifdef CONFIG_PPC64 - void *vbase = (vma->vm_mm->task_size > TASK_SIZE_USER32) ? - vdso64_kbase : vdso32_kbase; -#else - void *vbase = vdso32_kbase; -#endif - - DBG("vdso_vma_nopage(current: %s, address: %016lx, off: %lx)\n", - current->comm, address, offset); - - if (address < vma->vm_start || address > vma->vm_end) - return NOPAGE_SIGBUS; - - /* - * Last page is systemcfg. - */ - if ((vma->vm_end - address) <= PAGE_SIZE) - pg = virt_to_page(vdso_data); - else - pg = virt_to_page(vbase + offset); - - get_page(pg); - DBG(" ->page count: %d\n", page_count(pg)); - - return pg; -} - -static struct vm_operations_struct vdso_vmops = { - .close = vdso_vma_close, - .nopage = vdso_vma_nopage, -}; - -/* * This is called from binfmt_elf, we create the special vma for the * vDSO and insert it into the mm struct tree */ @@ -221,20 +177,23 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int executable_stack) { struct mm_struct *mm = current->mm; - struct vm_area_struct *vma; + struct page **vdso_pagelist; unsigned long vdso_pages; unsigned long vdso_base; int rc; #ifdef CONFIG_PPC64 if (test_thread_flag(TIF_32BIT)) { + vdso_pagelist = vdso32_pagelist; vdso_pages = vdso32_pages; vdso_base = VDSO32_MBASE; } else { + vdso_pagelist = vdso64_pagelist; vdso_pages = vdso64_pages; vdso_base = VDSO64_MBASE; } #else + vdso_pagelist = vdso32_pagelist; vdso_pages = vdso32_pages; vdso_base = VDSO32_MBASE; #endif @@ -262,17 +221,6 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, goto fail_mmapsem; } - - /* Allocate a VMA structure and fill it up */ - vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); - if (vma == NULL) { - rc = -ENOMEM; - goto fail_mmapsem; - } - vma->vm_mm = mm; - vma->vm_start = vdso_base; - vma->vm_end = vma->vm_start + (vdso_pages << PAGE_SHIFT); - /* * our vma flags don't have VM_WRITE so by default, the process isn't * allowed to write those pages. @@ -282,32 +230,26 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, * and your nice userland gettimeofday will be totally dead. * It's fine to use that for setting breakpoints in the vDSO code * pages though - */ - vma->vm_flags = VM_READ|VM_EXEC|VM_MAYREAD|VM_MAYWRITE|VM_MAYEXEC; - /* + * * Make sure the vDSO gets into every core dump. * Dumping its contents makes post-mortem fully interpretable later * without matching up the same kernel and hardware config to see * what PC values meant. */ - vma->vm_flags |= VM_ALWAYSDUMP; - vma->vm_flags |= mm->def_flags; - vma->vm_page_prot = protection_map[vma->vm_flags & 0x7]; - vma->vm_ops = &vdso_vmops; - - /* Insert new VMA */ - rc = insert_vm_struct(mm, vma); + rc = install_special_mapping(mm, vdso_base, vdso_pages << PAGE_SHIFT, + VM_READ|VM_EXEC| + VM_MAYREAD|VM_MAYWRITE|VM_MAYEXEC| + VM_ALWAYSDUMP, + vdso_pagelist); if (rc) - goto fail_vma; + goto fail_mmapsem; - /* Put vDSO base into mm struct and account for memory usage */ + /* Put vDSO base into mm struct */ current->mm->context.vdso_base = vdso_base; - mm->total_vm += (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; + up_write(&mm->mmap_sem); return 0; - fail_vma: - kmem_cache_free(vm_area_cachep, vma); fail_mmapsem: up_write(&mm->mmap_sem); return rc; @@ -778,18 +720,26 @@ void __init vdso_init(void) } /* Make sure pages are in the correct state */ + BUG_ON(vdso32_pages + 2 > VDSO32_MAXPAGES); for (i = 0; i < vdso32_pages; i++) { struct page *pg = virt_to_page(vdso32_kbase + i*PAGE_SIZE); ClearPageReserved(pg); get_page(pg); - + vdso32_pagelist[i] = pg; } + vdso32_pagelist[i++] = virt_to_page(vdso_data); + vdso32_pagelist[i] = NULL; + #ifdef CONFIG_PPC64 + BUG_ON(vdso64_pages + 2 > VDSO64_MAXPAGES); for (i = 0; i < vdso64_pages; i++) { struct page *pg = virt_to_page(vdso64_kbase + i*PAGE_SIZE); ClearPageReserved(pg); get_page(pg); + vdso64_pagelist[i] = pg; } + vdso64_pagelist[i++] = virt_to_page(vdso_data); + vdso64_pagelist[i] = NULL; #endif /* CONFIG_PPC64 */ get_page(virt_to_page(vdso_data)); diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S index 04b8e71bf5b..7eefeb4a30e 100644 --- a/arch/powerpc/kernel/vmlinux.lds.S +++ b/arch/powerpc/kernel/vmlinux.lds.S @@ -131,14 +131,14 @@ SECTIONS __stop___fw_ftr_fixup = .; } #endif - +#ifdef CONFIG_BLK_DEV_INITRD . = ALIGN(PAGE_SIZE); .init.ramfs : { __initramfs_start = .; *(.init.ramfs) __initramfs_end = .; } - +#endif #ifdef CONFIG_PPC32 . = ALIGN(32); #else diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c index b43466ba809..67d617b60a2 100644 --- a/arch/powerpc/platforms/cell/iommu.c +++ b/arch/powerpc/platforms/cell/iommu.c @@ -149,7 +149,8 @@ static int cbe_nr_iommus; static void invalidate_tce_cache(struct cbe_iommu *iommu, unsigned long *pte, long n_ptes) { - unsigned long *reg, val; + unsigned long __iomem *reg; + unsigned long val; long n; reg = iommu->xlate_regs + IOC_IOPT_CacheInvd; @@ -592,7 +593,7 @@ static void __init cell_iommu_init_one(struct device_node *np, unsigned long off /* Init base fields */ i = cbe_nr_iommus++; iommu = &iommus[i]; - iommu->stab = 0; + iommu->stab = NULL; iommu->nid = nid; snprintf(iommu->name, sizeof(iommu->name), "iommu%d", i); INIT_LIST_HEAD(&iommu->windows); diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c index 347eff56fcb..af9e9455a70 100644 --- a/arch/powerpc/platforms/cell/spufs/file.c +++ b/arch/powerpc/platforms/cell/spufs/file.c @@ -144,7 +144,7 @@ spufs_mem_mmap(struct file *file, struct vm_area_struct *vma) return 0; } -static struct file_operations spufs_mem_fops = { +static const struct file_operations spufs_mem_fops = { .open = spufs_mem_open, .read = spufs_mem_read, .write = spufs_mem_write, @@ -249,7 +249,7 @@ static int spufs_cntl_open(struct inode *inode, struct file *file) spufs_cntl_set, "0x%08lx"); } -static struct file_operations spufs_cntl_fops = { +static const struct file_operations spufs_cntl_fops = { .open = spufs_cntl_open, .release = simple_attr_close, .read = simple_attr_read, @@ -309,7 +309,7 @@ spufs_regs_write(struct file *file, const char __user *buffer, return ret; } -static struct file_operations spufs_regs_fops = { +static const struct file_operations spufs_regs_fops = { .open = spufs_regs_open, .read = spufs_regs_read, .write = spufs_regs_write, @@ -360,7 +360,7 @@ spufs_fpcr_write(struct file *file, const char __user * buffer, return ret; } -static struct file_operations spufs_fpcr_fops = { +static const struct file_operations spufs_fpcr_fops = { .open = spufs_regs_open, .read = spufs_fpcr_read, .write = spufs_fpcr_write, @@ -426,7 +426,7 @@ static ssize_t spufs_mbox_read(struct file *file, char __user *buf, return count; } -static struct file_operations spufs_mbox_fops = { +static const struct file_operations spufs_mbox_fops = { .open = spufs_pipe_open, .read = spufs_mbox_read, }; @@ -452,7 +452,7 @@ static ssize_t spufs_mbox_stat_read(struct file *file, char __user *buf, return 4; } -static struct file_operations spufs_mbox_stat_fops = { +static const struct file_operations spufs_mbox_stat_fops = { .open = spufs_pipe_open, .read = spufs_mbox_stat_read, }; @@ -559,7 +559,7 @@ static unsigned int spufs_ibox_poll(struct file *file, poll_table *wait) return mask; } -static struct file_operations spufs_ibox_fops = { +static const struct file_operations spufs_ibox_fops = { .open = spufs_pipe_open, .read = spufs_ibox_read, .poll = spufs_ibox_poll, @@ -585,7 +585,7 @@ static ssize_t spufs_ibox_stat_read(struct file *file, char __user *buf, return 4; } -static struct file_operations spufs_ibox_stat_fops = { +static const struct file_operations spufs_ibox_stat_fops = { .open = spufs_pipe_open, .read = spufs_ibox_stat_read, }; @@ -692,7 +692,7 @@ static unsigned int spufs_wbox_poll(struct file *file, poll_table *wait) return mask; } -static struct file_operations spufs_wbox_fops = { +static const struct file_operations spufs_wbox_fops = { .open = spufs_pipe_open, .write = spufs_wbox_write, .poll = spufs_wbox_poll, @@ -718,7 +718,7 @@ static ssize_t spufs_wbox_stat_read(struct file *file, char __user *buf, return 4; } -static struct file_operations spufs_wbox_stat_fops = { +static const struct file_operations spufs_wbox_stat_fops = { .open = spufs_pipe_open, .read = spufs_wbox_stat_read, }; @@ -823,7 +823,7 @@ static int spufs_signal1_mmap(struct file *file, struct vm_area_struct *vma) return 0; } -static struct file_operations spufs_signal1_fops = { +static const struct file_operations spufs_signal1_fops = { .open = spufs_signal1_open, .read = spufs_signal1_read, .write = spufs_signal1_write, @@ -934,7 +934,7 @@ static int spufs_signal2_mmap(struct file *file, struct vm_area_struct *vma) #define spufs_signal2_mmap NULL #endif /* !SPUFS_MMAP_4K */ -static struct file_operations spufs_signal2_fops = { +static const struct file_operations spufs_signal2_fops = { .open = spufs_signal2_open, .read = spufs_signal2_read, .write = spufs_signal2_write, @@ -1037,7 +1037,7 @@ static int spufs_mss_open(struct inode *inode, struct file *file) return nonseekable_open(inode, file); } -static struct file_operations spufs_mss_fops = { +static const struct file_operations spufs_mss_fops = { .open = spufs_mss_open, .mmap = spufs_mss_mmap, }; @@ -1076,7 +1076,7 @@ static int spufs_psmap_open(struct inode *inode, struct file *file) return nonseekable_open(inode, file); } -static struct file_operations spufs_psmap_fops = { +static const struct file_operations spufs_psmap_fops = { .open = spufs_psmap_open, .mmap = spufs_psmap_mmap, }; @@ -1393,7 +1393,7 @@ static int spufs_mfc_fasync(int fd, struct file *file, int on) return fasync_helper(fd, file, on, &ctx->mfc_fasync); } -static struct file_operations spufs_mfc_fops = { +static const struct file_operations spufs_mfc_fops = { .open = spufs_mfc_open, .read = spufs_mfc_read, .write = spufs_mfc_write, @@ -1650,7 +1650,7 @@ static ssize_t spufs_mbox_info_read(struct file *file, char __user *buf, return ret; } -static struct file_operations spufs_mbox_info_fops = { +static const struct file_operations spufs_mbox_info_fops = { .open = spufs_info_open, .read = spufs_mbox_info_read, .llseek = generic_file_llseek, @@ -1688,7 +1688,7 @@ static ssize_t spufs_ibox_info_read(struct file *file, char __user *buf, return ret; } -static struct file_operations spufs_ibox_info_fops = { +static const struct file_operations spufs_ibox_info_fops = { .open = spufs_info_open, .read = spufs_ibox_info_read, .llseek = generic_file_llseek, @@ -1729,7 +1729,7 @@ static ssize_t spufs_wbox_info_read(struct file *file, char __user *buf, return ret; } -static struct file_operations spufs_wbox_info_fops = { +static const struct file_operations spufs_wbox_info_fops = { .open = spufs_info_open, .read = spufs_wbox_info_read, .llseek = generic_file_llseek, @@ -1779,7 +1779,7 @@ static ssize_t spufs_dma_info_read(struct file *file, char __user *buf, return ret; } -static struct file_operations spufs_dma_info_fops = { +static const struct file_operations spufs_dma_info_fops = { .open = spufs_info_open, .read = spufs_dma_info_read, }; @@ -1830,7 +1830,7 @@ static ssize_t spufs_proxydma_info_read(struct file *file, char __user *buf, return ret; } -static struct file_operations spufs_proxydma_info_fops = { +static const struct file_operations spufs_proxydma_info_fops = { .open = spufs_info_open, .read = spufs_proxydma_info_read, }; diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c index 738b9244382..8079983ef94 100644 --- a/arch/powerpc/platforms/cell/spufs/inode.c +++ b/arch/powerpc/platforms/cell/spufs/inode.c @@ -220,11 +220,11 @@ static int spufs_dir_close(struct inode *inode, struct file *file) return dcache_dir_close(inode, file); } -struct inode_operations spufs_dir_inode_operations = { +const struct inode_operations spufs_dir_inode_operations = { .lookup = simple_lookup, }; -struct file_operations spufs_context_fops = { +const struct file_operations spufs_context_fops = { .open = dcache_dir_open, .release = spufs_dir_close, .llseek = dcache_dir_lseek, @@ -372,7 +372,7 @@ static int spufs_gang_close(struct inode *inode, struct file *file) return dcache_dir_close(inode, file); } -struct file_operations spufs_gang_fops = { +const struct file_operations spufs_gang_fops = { .open = dcache_dir_open, .release = spufs_gang_close, .llseek = dcache_dir_lseek, diff --git a/arch/powerpc/platforms/cell/spufs/spufs.h b/arch/powerpc/platforms/cell/spufs/spufs.h index 70fb13395c0..56864469215 100644 --- a/arch/powerpc/platforms/cell/spufs/spufs.h +++ b/arch/powerpc/platforms/cell/spufs/spufs.h @@ -149,7 +149,7 @@ long spufs_run_spu(struct file *file, struct spu_context *ctx, u32 *npc, u32 *status); long spufs_create(struct nameidata *nd, unsigned int flags, mode_t mode); -extern struct file_operations spufs_context_fops; +extern const struct file_operations spufs_context_fops; /* gang management */ struct spu_gang *alloc_spu_gang(void); diff --git a/arch/powerpc/platforms/celleb/pci.c b/arch/powerpc/platforms/celleb/pci.c index 867f83a7d0c..98de836dfed 100644 --- a/arch/powerpc/platforms/celleb/pci.c +++ b/arch/powerpc/platforms/celleb/pci.c @@ -65,13 +65,13 @@ static inline u8 celleb_fake_config_readb(void *addr) static inline u16 celleb_fake_config_readw(void *addr) { - u16 *p = addr; + __le16 *p = addr; return le16_to_cpu(*p); } static inline u32 celleb_fake_config_readl(void *addr) { - u32 *p = addr; + __le32 *p = addr; return le32_to_cpu(*p); } @@ -83,16 +83,16 @@ static inline void celleb_fake_config_writeb(u32 val, void *addr) static inline void celleb_fake_config_writew(u32 val, void *addr) { - u16 val16; - u16 *p = addr; + __le16 val16; + __le16 *p = addr; val16 = cpu_to_le16(val); *p = val16; } static inline void celleb_fake_config_writel(u32 val, void *addr) { - u32 val32; - u32 *p = addr; + __le32 val32; + __le32 *p = addr; val32 = cpu_to_le32(val); *p = val32; } diff --git a/arch/powerpc/platforms/celleb/scc_epci.c b/arch/powerpc/platforms/celleb/scc_epci.c index 0edbc0c4f33..c11b39c3776 100644 --- a/arch/powerpc/platforms/celleb/scc_epci.c +++ b/arch/powerpc/platforms/celleb/scc_epci.c @@ -47,7 +47,7 @@ #if 0 /* test code for epci dummy read */ static void celleb_epci_dummy_read(struct pci_dev *dev) { - void *epci_base; + void __iomem *epci_base; struct device_node *node; struct pci_controller *hose; u32 val; @@ -58,7 +58,7 @@ static void celleb_epci_dummy_read(struct pci_dev *dev) if (!hose) return; - epci_base = (void *)hose->cfg_addr; + epci_base = hose->cfg_addr; val = in_be32(epci_base + SCC_EPCI_WATRP); iosync(); @@ -71,18 +71,18 @@ static inline void clear_and_disable_master_abort_interrupt( struct pci_controller *hose) { void __iomem *addr; - addr = (void *)hose->cfg_addr + PCI_COMMAND; + addr = hose->cfg_addr + PCI_COMMAND; out_be32(addr, in_be32(addr) | (PCI_STATUS_REC_MASTER_ABORT << 16)); } static int celleb_epci_check_abort(struct pci_controller *hose, - unsigned long addr) + void __iomem *addr) { void __iomem *reg, *epci_base; u32 val; iob(); - epci_base = (void *)hose->cfg_addr; + epci_base = hose->cfg_addr; reg = epci_base + PCI_COMMAND; val = in_be32(reg); @@ -108,23 +108,23 @@ static int celleb_epci_check_abort(struct pci_controller *hose, return PCIBIOS_SUCCESSFUL; } -static unsigned long celleb_epci_make_config_addr(struct pci_controller *hose, +static void __iomem *celleb_epci_make_config_addr(struct pci_controller *hose, unsigned int devfn, int where) { - unsigned long addr; + void __iomem *addr; struct pci_bus *bus = hose->bus; if (bus->self) - addr = (unsigned long)hose->cfg_data + + addr = hose->cfg_data + (((bus->number & 0xff) << 16) | ((devfn & 0xff) << 8) | (where & 0xff) | 0x01000000); else - addr = (unsigned long)hose->cfg_data + + addr = hose->cfg_data + (((devfn & 0xff) << 8) | (where & 0xff)); - pr_debug("EPCI: config_addr = 0x%016lx\n", addr); + pr_debug("EPCI: config_addr = 0x%p\n", addr); return addr; } @@ -132,7 +132,7 @@ static unsigned long celleb_epci_make_config_addr(struct pci_controller *hose, static int celleb_epci_read_config(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 * val) { - unsigned long addr; + void __iomem *addr; struct device_node *node; struct pci_controller *hose; @@ -148,17 +148,17 @@ static int celleb_epci_read_config(struct pci_bus *bus, if (bus->number == hose->first_busno && devfn == 0) { /* EPCI controller self */ - addr = (unsigned long)hose->cfg_addr + where; + addr = hose->cfg_addr + where; switch (size) { case 1: - *val = in_8((u8 *)addr); + *val = in_8(addr); break; case 2: - *val = in_be16((u16 *)addr); + *val = in_be16(addr); break; case 4: - *val = in_be32((u32 *)addr); + *val = in_be32(addr); break; default: return PCIBIOS_DEVICE_NOT_FOUND; @@ -171,13 +171,13 @@ static int celleb_epci_read_config(struct pci_bus *bus, switch (size) { case 1: - *val = in_8((u8 *)addr); + *val = in_8(addr); break; case 2: - *val = in_le16((u16 *)addr); + *val = in_le16(addr); break; case 4: - *val = in_le32((u32 *)addr); + *val = in_le32(addr); break; default: return PCIBIOS_DEVICE_NOT_FOUND; @@ -188,13 +188,13 @@ static int celleb_epci_read_config(struct pci_bus *bus, "addr=0x%lx, devfn=0x%x, where=0x%x, size=0x%x, val=0x%x\n", addr, devfn, where, size, *val); - return celleb_epci_check_abort(hose, 0); + return celleb_epci_check_abort(hose, NULL); } static int celleb_epci_write_config(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 val) { - unsigned long addr; + void __iomem *addr; struct device_node *node; struct pci_controller *hose; @@ -210,17 +210,17 @@ static int celleb_epci_write_config(struct pci_bus *bus, if (bus->number == hose->first_busno && devfn == 0) { /* EPCI controller self */ - addr = (unsigned long)hose->cfg_addr + where; + addr = hose->cfg_addr + where; switch (size) { case 1: - out_8((u8 *)addr, val); + out_8(addr, val); break; case 2: - out_be16((u16 *)addr, val); + out_be16(addr, val); break; case 4: - out_be32((u32 *)addr, val); + out_be32(addr, val); break; default: return PCIBIOS_DEVICE_NOT_FOUND; @@ -233,13 +233,13 @@ static int celleb_epci_write_config(struct pci_bus *bus, switch (size) { case 1: - out_8((u8 *)addr, val); + out_8(addr, val); break; case 2: - out_le16((u16 *)addr, val); + out_le16(addr, val); break; case 4: - out_le32((u32 *)addr, val); + out_le32(addr, val); break; default: return PCIBIOS_DEVICE_NOT_FOUND; @@ -261,7 +261,7 @@ static int __devinit celleb_epci_init(struct pci_controller *hose) void __iomem *reg, *epci_base; int hwres = 0; - epci_base = (void *)hose->cfg_addr; + epci_base = hose->cfg_addr; /* PCI core reset(Internal bus and PCI clock) */ reg = epci_base + SCC_EPCI_CKCTRL; diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c index e1f51d45598..117c9a0055b 100644 --- a/arch/powerpc/platforms/chrp/setup.c +++ b/arch/powerpc/platforms/chrp/setup.c @@ -75,7 +75,7 @@ extern irqreturn_t xmon_irq(int, void *); extern unsigned long loops_per_jiffy; /* To be replaced by RTAS when available */ -static unsigned int *briq_SPOR; +static unsigned int __iomem *briq_SPOR; #ifdef CONFIG_SMP extern struct smp_ops_t chrp_smp_ops; @@ -267,7 +267,7 @@ void __init chrp_setup_arch(void) } else if (machine && strncmp(machine, "TotalImpact,BRIQ-1", 18) == 0) { _chrp_type = _CHRP_briq; /* Map the SPOR register on briq and change the restart hook */ - briq_SPOR = (unsigned int *)ioremap(0xff0000e8, 4); + briq_SPOR = ioremap(0xff0000e8, 4); ppc_md.restart = briq_restart; } else { /* Let's assume it is an IBM chrp if all else fails */ diff --git a/arch/powerpc/platforms/iseries/lpevents.c b/arch/powerpc/platforms/iseries/lpevents.c index c1f4502a3c6..91df52a1899 100644 --- a/arch/powerpc/platforms/iseries/lpevents.c +++ b/arch/powerpc/platforms/iseries/lpevents.c @@ -308,7 +308,7 @@ static int proc_lpevents_open(struct inode *inode, struct file *file) return single_open(file, proc_lpevents_show, NULL); } -static struct file_operations proc_lpevents_operations = { +static const struct file_operations proc_lpevents_operations = { .open = proc_lpevents_open, .read = seq_read, .llseek = seq_lseek, diff --git a/arch/powerpc/platforms/iseries/mf.c b/arch/powerpc/platforms/iseries/mf.c index 1ad0e4aaad1..b1187d95e3b 100644 --- a/arch/powerpc/platforms/iseries/mf.c +++ b/arch/powerpc/platforms/iseries/mf.c @@ -1224,7 +1224,7 @@ out: return rc; } -static struct file_operations proc_vmlinux_operations = { +static const struct file_operations proc_vmlinux_operations = { .write = proc_mf_change_vmlinux, }; @@ -1253,7 +1253,6 @@ static int __init mf_proc_init(void) ent = create_proc_entry("cmdline", S_IFREG|S_IRUSR|S_IWUSR, mf); if (!ent) return 1; - ent->nlink = 1; ent->data = (void *)(long)i; ent->read_proc = proc_mf_dump_cmdline; ent->write_proc = proc_mf_change_cmdline; @@ -1264,7 +1263,6 @@ static int __init mf_proc_init(void) ent = create_proc_entry("vmlinux", S_IFREG|S_IWUSR, mf); if (!ent) return 1; - ent->nlink = 1; ent->data = (void *)(long)i; ent->proc_fops = &proc_vmlinux_operations; } @@ -1272,7 +1270,6 @@ static int __init mf_proc_init(void) ent = create_proc_entry("side", S_IFREG|S_IRUSR|S_IWUSR, mf_proc_root); if (!ent) return 1; - ent->nlink = 1; ent->data = (void *)0; ent->read_proc = proc_mf_dump_side; ent->write_proc = proc_mf_change_side; @@ -1280,7 +1277,6 @@ static int __init mf_proc_init(void) ent = create_proc_entry("src", S_IFREG|S_IRUSR|S_IWUSR, mf_proc_root); if (!ent) return 1; - ent->nlink = 1; ent->data = (void *)0; ent->read_proc = proc_mf_dump_src; ent->write_proc = proc_mf_change_src; diff --git a/arch/powerpc/platforms/iseries/proc.c b/arch/powerpc/platforms/iseries/proc.c index b54e37101e6..f2cde418020 100644 --- a/arch/powerpc/platforms/iseries/proc.c +++ b/arch/powerpc/platforms/iseries/proc.c @@ -101,7 +101,7 @@ static int proc_titantod_open(struct inode *inode, struct file *file) return single_open(file, proc_titantod_show, NULL); } -static struct file_operations proc_titantod_operations = { +static const struct file_operations proc_titantod_operations = { .open = proc_titantod_open, .read = seq_read, .llseek = seq_lseek, diff --git a/arch/powerpc/platforms/iseries/viopath.c b/arch/powerpc/platforms/iseries/viopath.c index a6799ed34a6..e2100ece9c6 100644 --- a/arch/powerpc/platforms/iseries/viopath.c +++ b/arch/powerpc/platforms/iseries/viopath.c @@ -173,7 +173,7 @@ static int proc_viopath_open(struct inode *inode, struct file *file) return single_open(file, proc_viopath_show, NULL); } -static struct file_operations proc_viopath_operations = { +static const struct file_operations proc_viopath_operations = { .open = proc_viopath_open, .read = seq_read, .llseek = seq_lseek, diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c index d949e9df41e..651fa424ea0 100644 --- a/arch/powerpc/platforms/powermac/setup.c +++ b/arch/powerpc/platforms/powermac/setup.c @@ -506,8 +506,8 @@ void note_bootable_part(dev_t dev, int part, int goodness) if ((goodness <= current_root_goodness) && ROOT_DEV != DEFAULT_ROOT_DEVICE) return; - p = strstr(saved_command_line, "root="); - if (p != NULL && (p == saved_command_line || p[-1] == ' ')) + p = strstr(boot_command_line, "root="); + if (p != NULL && (p == boot_command_line || p[-1] == ' ')) return; if (!found_boot) { diff --git a/arch/powerpc/platforms/ps3/Kconfig b/arch/powerpc/platforms/ps3/Kconfig index de52ec4e9e5..4be3943d1c0 100644 --- a/arch/powerpc/platforms/ps3/Kconfig +++ b/arch/powerpc/platforms/ps3/Kconfig @@ -51,4 +51,15 @@ config PS3_VUART including the System Manager and AV Settings. In general, all users will say Y. +config PS3_PS3AV + tristate "PS3 AV settings driver" + depends on PPC_PS3 + select PS3_VUART + default y + help + Include support for the PS3 AV Settings driver. + + This support is required for graphics and sound. In + general, all users will say Y or M. + endmenu diff --git a/arch/powerpc/platforms/ps3/htab.c b/arch/powerpc/platforms/ps3/htab.c index a4b5a1bc60f..e12e59fea13 100644 --- a/arch/powerpc/platforms/ps3/htab.c +++ b/arch/powerpc/platforms/ps3/htab.c @@ -2,7 +2,7 @@ * PS3 pagetable management routines. * * Copyright (C) 2006 Sony Computer Entertainment Inc. - * Copyright 2006 Sony Corp. + * Copyright 2006, 2007 Sony Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -24,6 +24,7 @@ #include <asm/lmb.h> #include <asm/udbg.h> #include <asm/lv1call.h> +#include <asm/ps3fb.h> #include "platform.h" @@ -233,6 +234,9 @@ static void ps3_hpte_invalidate(unsigned long slot, unsigned long va, static void ps3_hpte_clear(void) { + /* Make sure to clean up the frame buffer device first */ + ps3fb_cleanup(); + lv1_unmap_htab(htab_addr); } diff --git a/arch/powerpc/platforms/ps3/interrupt.c b/arch/powerpc/platforms/ps3/interrupt.c index bb17283275a..631c3009561 100644 --- a/arch/powerpc/platforms/ps3/interrupt.c +++ b/arch/powerpc/platforms/ps3/interrupt.c @@ -194,6 +194,7 @@ int ps3_alloc_io_irq(enum ps3_cpu_binding cpu, unsigned int interrupt_id, return result; } +EXPORT_SYMBOL_GPL(ps3_alloc_io_irq); int ps3_free_io_irq(unsigned int virq) { @@ -209,6 +210,7 @@ int ps3_free_io_irq(unsigned int virq) return result; } +EXPORT_SYMBOL_GPL(ps3_free_io_irq); /** * ps3_alloc_event_irq - Allocate a virq for use with a system event. diff --git a/arch/powerpc/platforms/ps3/setup.c b/arch/powerpc/platforms/ps3/setup.c index e62505e1881..13d669a8eca 100644 --- a/arch/powerpc/platforms/ps3/setup.c +++ b/arch/powerpc/platforms/ps3/setup.c @@ -24,6 +24,7 @@ #include <linux/root_dev.h> #include <linux/console.h> #include <linux/kexec.h> +#include <linux/bootmem.h> #include <asm/machdep.h> #include <asm/firmware.h> @@ -80,6 +81,46 @@ static void ps3_panic(char *str) for (;;) ; } + +static void prealloc(struct ps3_prealloc *p) +{ + if (!p->size) + return; + + p->address = __alloc_bootmem(p->size, p->align, __pa(MAX_DMA_ADDRESS)); + if (!p->address) { + printk(KERN_ERR "%s: Cannot allocate %s\n", __FUNCTION__, + p->name); + return; + } + + printk(KERN_INFO "%s: %lu bytes at %p\n", p->name, p->size, + p->address); +} + +#ifdef CONFIG_FB_PS3 +struct ps3_prealloc ps3fb_videomemory = { + .name = "ps3fb videomemory", + .size = CONFIG_FB_PS3_DEFAULT_SIZE_M*1024*1024, + .align = 1024*1024 /* the GPU requires 1 MiB alignment */ +}; +#define prealloc_ps3fb_videomemory() prealloc(&ps3fb_videomemory) + +static int __init early_parse_ps3fb(char *p) +{ + if (!p) + return 1; + + ps3fb_videomemory.size = _ALIGN_UP(memparse(p, &p), + ps3fb_videomemory.align); + return 0; +} +early_param("ps3fb", early_parse_ps3fb); +#else +#define prealloc_ps3fb_videomemory() do { } while (0) +#endif + + static void __init ps3_setup_arch(void) { union ps3_firmware_version v; @@ -101,6 +142,7 @@ static void __init ps3_setup_arch(void) conswitchp = &dummy_con; #endif + prealloc_ps3fb_videomemory(); ppc_md.power_save = ps3_power_save; DBG(" <- %s:%d\n", __func__, __LINE__); diff --git a/arch/powerpc/platforms/ps3/system-bus.c b/arch/powerpc/platforms/ps3/system-bus.c index bce6136cbce..a9f7e4a39a2 100644 --- a/arch/powerpc/platforms/ps3/system-bus.c +++ b/arch/powerpc/platforms/ps3/system-bus.c @@ -57,6 +57,7 @@ int ps3_mmio_region_create(struct ps3_mmio_region *r) dump_mmio_region(r); return result; } +EXPORT_SYMBOL_GPL(ps3_mmio_region_create); int ps3_free_mmio_region(struct ps3_mmio_region *r) { @@ -72,6 +73,7 @@ int ps3_free_mmio_region(struct ps3_mmio_region *r) r->lpar_addr = 0; return result; } +EXPORT_SYMBOL_GPL(ps3_free_mmio_region); static int ps3_system_bus_match(struct device *_dev, struct device_driver *_drv) diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c index 9437f48cc9e..6cedbc002e0 100644 --- a/arch/powerpc/platforms/pseries/eeh.c +++ b/arch/powerpc/platforms/pseries/eeh.c @@ -1078,7 +1078,7 @@ static int proc_eeh_open(struct inode *inode, struct file *file) return single_open(file, proc_eeh_show, NULL); } -static struct file_operations proc_eeh_operations = { +static const struct file_operations proc_eeh_operations = { .open = proc_eeh_open, .read = seq_read, .llseek = seq_lseek, diff --git a/arch/powerpc/platforms/pseries/hvCall_inst.c b/arch/powerpc/platforms/pseries/hvCall_inst.c index 3ddc04925d5..eae51ef9af2 100644 --- a/arch/powerpc/platforms/pseries/hvCall_inst.c +++ b/arch/powerpc/platforms/pseries/hvCall_inst.c @@ -90,7 +90,7 @@ static int hcall_inst_seq_open(struct inode *inode, struct file *file) return rc; } -static struct file_operations hcall_inst_seq_fops = { +static const struct file_operations hcall_inst_seq_fops = { .open = hcall_inst_seq_open, .read = seq_read, .llseek = seq_lseek, diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c index 4ad33e41b00..5aa97aff339 100644 --- a/arch/powerpc/platforms/pseries/reconfig.c +++ b/arch/powerpc/platforms/pseries/reconfig.c @@ -499,7 +499,7 @@ out: return rv ? rv : count; } -static struct file_operations ofdt_fops = { +static const struct file_operations ofdt_fops = { .write = ofdt_write }; @@ -513,7 +513,6 @@ static int proc_ppc64_create_ofdt(void) ent = create_proc_entry("ppc64/ofdt", S_IWUSR, NULL); if (ent) { - ent->nlink = 1; ent->data = NULL; ent->size = 0; ent->proc_fops = &ofdt_fops; diff --git a/arch/powerpc/platforms/pseries/rtasd.c b/arch/powerpc/platforms/pseries/rtasd.c index 8ca2612221d..77d0937d5c0 100644 --- a/arch/powerpc/platforms/pseries/rtasd.c +++ b/arch/powerpc/platforms/pseries/rtasd.c @@ -331,7 +331,7 @@ static unsigned int rtas_log_poll(struct file *file, poll_table * wait) return 0; } -struct file_operations proc_rtas_log_operations = { +const struct file_operations proc_rtas_log_operations = { .read = rtas_log_read, .poll = rtas_log_poll, .open = rtas_log_open, diff --git a/arch/powerpc/platforms/pseries/scanlog.c b/arch/powerpc/platforms/pseries/scanlog.c index 45368a57d7d..8e1ef168e2d 100644 --- a/arch/powerpc/platforms/pseries/scanlog.c +++ b/arch/powerpc/platforms/pseries/scanlog.c @@ -184,7 +184,7 @@ static int scanlog_release(struct inode * inode, struct file * file) return 0; } -struct file_operations scanlog_fops = { +const struct file_operations scanlog_fops = { .owner = THIS_MODULE, .read = scanlog_read, .write = scanlog_write, diff --git a/arch/powerpc/xmon/spu-dis.c b/arch/powerpc/xmon/spu-dis.c index ee929c641bf..e5f89837c82 100644 --- a/arch/powerpc/xmon/spu-dis.c +++ b/arch/powerpc/xmon/spu-dis.c @@ -85,7 +85,7 @@ get_index_for_opcode (unsigned int insn) if ((index = spu_disassemble_table[opcode & 0x7ff]) != 0) return index; - return 0; + return NULL; } /* Print a Spu instruction. */ diff --git a/arch/ppc/8xx_io/cs4218_tdm.c b/arch/ppc/8xx_io/cs4218_tdm.c index 684ed04eb8b..a956f28ab16 100644 --- a/arch/ppc/8xx_io/cs4218_tdm.c +++ b/arch/ppc/8xx_io/cs4218_tdm.c @@ -1711,7 +1711,7 @@ static int mixer_ioctl(struct inode *inode, struct file *file, u_int cmd, } -static struct file_operations mixer_fops = +static const struct file_operations mixer_fops = { .owner = THIS_MODULE, .llseek = sound_lseek, @@ -2298,7 +2298,7 @@ static int sq_ioctl(struct inode *inode, struct file *file, u_int cmd, -static struct file_operations sq_fops = +static const struct file_operations sq_fops = { .owner = THIS_MODULE, .llseek = sound_lseek, @@ -2433,7 +2433,7 @@ static ssize_t state_read(struct file *file, char *buf, size_t count, } -static struct file_operations state_fops = +static const struct file_operations state_fops = { .owner = THIS_MODULE, .llseek = sound_lseek, diff --git a/arch/ppc/Kconfig b/arch/ppc/Kconfig index c22e60619d9..0df9c33629f 100644 --- a/arch/ppc/Kconfig +++ b/arch/ppc/Kconfig @@ -1177,6 +1177,10 @@ config ISA have an IBM RS/6000 or pSeries machine or a PReP machine, say Y. If you have an embedded board, consult your board documentation. +config ZONE_DMA + bool + default y + config GENERIC_ISA_DMA bool depends on 6xx && !CPM2 diff --git a/arch/ppc/kernel/setup.c b/arch/ppc/kernel/setup.c index 3c506af1988..c79704f5409 100644 --- a/arch/ppc/kernel/setup.c +++ b/arch/ppc/kernel/setup.c @@ -543,7 +543,7 @@ void __init setup_arch(char **cmdline_p) init_mm.brk = (unsigned long) klimit; /* Save unparsed command line copy for /proc/cmdline */ - strlcpy(saved_command_line, cmd_line, COMMAND_LINE_SIZE); + strlcpy(boot_command_line, cmd_line, COMMAND_LINE_SIZE); *cmdline_p = cmd_line; parse_early_param(); diff --git a/arch/ppc/kernel/vmlinux.lds.S b/arch/ppc/kernel/vmlinux.lds.S index 61921268a0d..a0625562a44 100644 --- a/arch/ppc/kernel/vmlinux.lds.S +++ b/arch/ppc/kernel/vmlinux.lds.S @@ -135,10 +135,12 @@ SECTIONS .data.percpu : { *(.data.percpu) } __per_cpu_end = .; +#ifdef CONFIG_BLK_DEV_INITRD . = ALIGN(4096); __initramfs_start = .; .init.ramfs : { *(.init.ramfs) } __initramfs_end = .; +#endif . = ALIGN(4096); __init_end = .; diff --git a/arch/ppc/platforms/lopec.c b/arch/ppc/platforms/lopec.c index 18dc6e8dd4f..b947c774f52 100644 --- a/arch/ppc/platforms/lopec.c +++ b/arch/ppc/platforms/lopec.c @@ -344,7 +344,7 @@ lopec_setup_arch(void) if (bootargs != NULL) { strcpy(cmd_line, bootargs); /* again.. */ - strcpy(saved_command_line, cmd_line); + strcpy(boot_command_line, cmd_line); } } #endif diff --git a/arch/ppc/platforms/pplus.c b/arch/ppc/platforms/pplus.c index 9778105d4df..8a1788c4815 100644 --- a/arch/ppc/platforms/pplus.c +++ b/arch/ppc/platforms/pplus.c @@ -592,7 +592,7 @@ static void __init pplus_setup_arch(void) if (bootargs != NULL) { strcpy(cmd_line, bootargs); /* again.. */ - strcpy(saved_command_line, cmd_line); + strcpy(boot_command_line, cmd_line); } } #endif diff --git a/arch/ppc/platforms/prep_setup.c b/arch/ppc/platforms/prep_setup.c index 1cb75a1f825..f166299571d 100644 --- a/arch/ppc/platforms/prep_setup.c +++ b/arch/ppc/platforms/prep_setup.c @@ -634,7 +634,7 @@ static void __init prep_init_sound(void) /* * Find a way to push these informations to the cs4232 driver * Give it out with printk, when not in cmd_line? - * Append it to cmd_line and saved_command_line? + * Append it to cmd_line and boot_command_line? * Format is cs4232=io,irq,dma,dma2 */ } @@ -897,7 +897,7 @@ prep_setup_arch(void) if (bootargs != NULL) { strcpy(cmd_line, bootargs); /* again.. */ - strcpy(saved_command_line, cmd_line); + strcpy(boot_command_line, cmd_line); } } diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 12272361c01..eaaac378811 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -7,6 +7,10 @@ config MMU bool default y +config ZONE_DMA + bool + default y + config LOCKDEP_SUPPORT bool default y @@ -34,13 +38,12 @@ config GENERIC_HWEIGHT bool default y -config GENERIC_CALIBRATE_DELAY - bool - default y - config GENERIC_TIME def_bool y +config NO_IOMEM + def_bool y + mainmenu "Linux Kernel Configuration" config S390 @@ -134,6 +137,31 @@ config AUDIT_ARCH bool default y +config S390_SWITCH_AMODE + bool "Switch kernel/user addressing modes" + help + This option allows to switch the addressing modes of kernel and user + space. The kernel parameter switch_amode=on will enable this feature, + default is disabled. Enabling this (via kernel parameter) on machines + earlier than IBM System z9-109 EC/BC will reduce system performance. + + Note that this option will also be selected by selecting the execute + protection option below. Enabling the execute protection via the + noexec kernel parameter will also switch the addressing modes, + independent of the switch_amode kernel parameter. + + +config S390_EXEC_PROTECT + bool "Data execute protection" + select S390_SWITCH_AMODE + help + This option allows to enable a buffer overflow protection for user + space programs and it also selects the addressing mode option above. + The kernel parameter noexec=on will enable this feature and also + switch the addressing modes, default is disabled. Enabling this (via + kernel parameter) on machines earlier than IBM System z9-109 EC/BC + will reduce system performance. + comment "Code generation options" choice diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c index b8c23729026..c9da7d16145 100644 --- a/arch/s390/appldata/appldata_base.c +++ b/arch/s390/appldata/appldata_base.c @@ -81,7 +81,7 @@ static struct ctl_table appldata_dir_table[] = { /* * Timer */ -DEFINE_PER_CPU(struct vtimer_list, appldata_timer); +static DEFINE_PER_CPU(struct vtimer_list, appldata_timer); static atomic_t appldata_expire_count = ATOMIC_INIT(0); static DEFINE_SPINLOCK(appldata_timer_lock); diff --git a/arch/s390/appldata/appldata_mem.c b/arch/s390/appldata/appldata_mem.c index 8aea3698a77..4ca61578870 100644 --- a/arch/s390/appldata/appldata_mem.c +++ b/arch/s390/appldata/appldata_mem.c @@ -36,7 +36,7 @@ * book: * http://oss.software.ibm.com/developerworks/opensource/linux390/index.shtml */ -struct appldata_mem_data { +static struct appldata_mem_data { u64 timestamp; u32 sync_count_1; /* after VM collected the record data, */ u32 sync_count_2; /* sync_count_1 and sync_count_2 should be the diff --git a/arch/s390/appldata/appldata_net_sum.c b/arch/s390/appldata/appldata_net_sum.c index 075e619bf37..f64b8c867ae 100644 --- a/arch/s390/appldata/appldata_net_sum.c +++ b/arch/s390/appldata/appldata_net_sum.c @@ -34,7 +34,7 @@ * book: * http://oss.software.ibm.com/developerworks/opensource/linux390/index.shtml */ -struct appldata_net_sum_data { +static struct appldata_net_sum_data { u64 timestamp; u32 sync_count_1; /* after VM collected the record data, */ u32 sync_count_2; /* sync_count_1 and sync_count_2 should be the diff --git a/arch/s390/crypto/Kconfig b/arch/s390/crypto/Kconfig new file mode 100644 index 00000000000..99ff9f08e4d --- /dev/null +++ b/arch/s390/crypto/Kconfig @@ -0,0 +1,60 @@ +config CRYPTO_SHA1_S390 + tristate "SHA1 digest algorithm" + depends on S390 + select CRYPTO_ALGAPI + help + This is the s390 hardware accelerated implementation of the + SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2). + +config CRYPTO_SHA256_S390 + tristate "SHA256 digest algorithm" + depends on S390 + select CRYPTO_ALGAPI + help + This is the s390 hardware accelerated implementation of the + SHA256 secure hash standard (DFIPS 180-2). + + This version of SHA implements a 256 bit hash with 128 bits of + security against collision attacks. + +config CRYPTO_DES_S390 + tristate "DES and Triple DES cipher algorithms" + depends on S390 + select CRYPTO_ALGAPI + select CRYPTO_BLKCIPHER + help + This us the s390 hardware accelerated implementation of the + DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3). + +config CRYPTO_AES_S390 + tristate "AES cipher algorithms" + depends on S390 + select CRYPTO_ALGAPI + select CRYPTO_BLKCIPHER + help + This is the s390 hardware accelerated implementation of the + AES cipher algorithms (FIPS-197). AES uses the Rijndael + algorithm. + + Rijndael appears to be consistently a very good performer in + both hardware and software across a wide range of computing + environments regardless of its use in feedback or non-feedback + modes. Its key setup time is excellent, and its key agility is + good. Rijndael's very low memory requirements make it very well + suited for restricted-space environments, in which it also + demonstrates excellent performance. Rijndael's operations are + among the easiest to defend against power and timing attacks. + + On s390 the System z9-109 currently only supports the key size + of 128 bit. + +config S390_PRNG + tristate "Pseudo random number generator device driver" + depends on S390 + default "m" + help + Select this option if you want to use the s390 pseudo random number + generator. The PRNG is part of the cryptograhic processor functions + and uses triple-DES to generate secure random numbers like the + ANSI X9.17 standard. The PRNG is usable via the char device + /dev/prandom. diff --git a/arch/s390/crypto/Makefile b/arch/s390/crypto/Makefile index bfe2541dc5c..14e552c5cc4 100644 --- a/arch/s390/crypto/Makefile +++ b/arch/s390/crypto/Makefile @@ -6,5 +6,4 @@ obj-$(CONFIG_CRYPTO_SHA1_S390) += sha1_s390.o obj-$(CONFIG_CRYPTO_SHA256_S390) += sha256_s390.o obj-$(CONFIG_CRYPTO_DES_S390) += des_s390.o des_check_key.o obj-$(CONFIG_CRYPTO_AES_S390) += aes_s390.o - -obj-$(CONFIG_CRYPTO_TEST) += crypt_s390_query.o +obj-$(CONFIG_S390_PRNG) += prng.o diff --git a/arch/s390/crypto/aes_s390.c b/arch/s390/crypto/aes_s390.c index 15c9eec0292..91636353f6f 100644 --- a/arch/s390/crypto/aes_s390.c +++ b/arch/s390/crypto/aes_s390.c @@ -4,7 +4,7 @@ * s390 implementation of the AES Cipher Algorithm. * * s390 Version: - * Copyright (C) 2005 IBM Deutschland GmbH, IBM Corporation + * Copyright IBM Corp. 2005,2007 * Author(s): Jan Glauber (jang@de.ibm.com) * * Derived from "crypto/aes.c" @@ -27,9 +27,11 @@ /* data block size for all key lengths */ #define AES_BLOCK_SIZE 16 -int has_aes_128 = 0; -int has_aes_192 = 0; -int has_aes_256 = 0; +#define AES_KEYLEN_128 1 +#define AES_KEYLEN_192 2 +#define AES_KEYLEN_256 4 + +static char keylen_flag = 0; struct s390_aes_ctx { u8 iv[AES_BLOCK_SIZE]; @@ -47,20 +49,19 @@ static int aes_set_key(struct crypto_tfm *tfm, const u8 *in_key, switch (key_len) { case 16: - if (!has_aes_128) + if (!(keylen_flag & AES_KEYLEN_128)) goto fail; break; case 24: - if (!has_aes_192) + if (!(keylen_flag & AES_KEYLEN_192)) goto fail; break; case 32: - if (!has_aes_256) + if (!(keylen_flag & AES_KEYLEN_256)) goto fail; break; default: - /* invalid key length */ goto fail; break; } @@ -322,34 +323,32 @@ static int __init aes_init(void) int ret; if (crypt_s390_func_available(KM_AES_128_ENCRYPT)) - has_aes_128 = 1; + keylen_flag |= AES_KEYLEN_128; if (crypt_s390_func_available(KM_AES_192_ENCRYPT)) - has_aes_192 = 1; + keylen_flag |= AES_KEYLEN_192; if (crypt_s390_func_available(KM_AES_256_ENCRYPT)) - has_aes_256 = 1; + keylen_flag |= AES_KEYLEN_256; + + if (!keylen_flag) + return -EOPNOTSUPP; - if (!has_aes_128 && !has_aes_192 && !has_aes_256) - return -ENOSYS; + /* z9 109 and z9 BC/EC only support 128 bit key length */ + if (keylen_flag == AES_KEYLEN_128) + printk(KERN_INFO + "aes_s390: hardware acceleration only available for" + "128 bit keys\n"); ret = crypto_register_alg(&aes_alg); - if (ret != 0) { - printk(KERN_INFO "crypt_s390: aes-s390 couldn't be loaded.\n"); + if (ret) goto aes_err; - } ret = crypto_register_alg(&ecb_aes_alg); - if (ret != 0) { - printk(KERN_INFO - "crypt_s390: ecb-aes-s390 couldn't be loaded.\n"); + if (ret) goto ecb_aes_err; - } ret = crypto_register_alg(&cbc_aes_alg); - if (ret != 0) { - printk(KERN_INFO - "crypt_s390: cbc-aes-s390 couldn't be loaded.\n"); + if (ret) goto cbc_aes_err; - } out: return ret; diff --git a/arch/s390/crypto/crypt_s390.h b/arch/s390/crypto/crypt_s390.h index 2b137089f62..2775d261833 100644 --- a/arch/s390/crypto/crypt_s390.h +++ b/arch/s390/crypto/crypt_s390.h @@ -3,8 +3,9 @@ * * Support for s390 cryptographic instructions. * - * Copyright (C) 2003 IBM Deutschland GmbH, IBM Corporation - * Author(s): Thomas Spatzier (tspat@de.ibm.com) + * Copyright IBM Corp. 2003,2007 + * Author(s): Thomas Spatzier + * Jan Glauber (jan.glauber@de.ibm.com) * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the Free @@ -32,7 +33,8 @@ enum crypt_s390_operations { CRYPT_S390_KMAC = 0x0500 }; -/* function codes for KM (CIPHER MESSAGE) instruction +/* + * function codes for KM (CIPHER MESSAGE) instruction * 0x80 is the decipher modifier bit */ enum crypt_s390_km_func { @@ -51,7 +53,8 @@ enum crypt_s390_km_func { KM_AES_256_DECRYPT = CRYPT_S390_KM | 0x14 | 0x80, }; -/* function codes for KMC (CIPHER MESSAGE WITH CHAINING) +/* + * function codes for KMC (CIPHER MESSAGE WITH CHAINING) * instruction */ enum crypt_s390_kmc_func { @@ -68,9 +71,11 @@ enum crypt_s390_kmc_func { KMC_AES_192_DECRYPT = CRYPT_S390_KMC | 0x13 | 0x80, KMC_AES_256_ENCRYPT = CRYPT_S390_KMC | 0x14, KMC_AES_256_DECRYPT = CRYPT_S390_KMC | 0x14 | 0x80, + KMC_PRNG = CRYPT_S390_KMC | 0x43, }; -/* function codes for KIMD (COMPUTE INTERMEDIATE MESSAGE DIGEST) +/* + * function codes for KIMD (COMPUTE INTERMEDIATE MESSAGE DIGEST) * instruction */ enum crypt_s390_kimd_func { @@ -79,7 +84,8 @@ enum crypt_s390_kimd_func { KIMD_SHA_256 = CRYPT_S390_KIMD | 2, }; -/* function codes for KLMD (COMPUTE LAST MESSAGE DIGEST) +/* + * function codes for KLMD (COMPUTE LAST MESSAGE DIGEST) * instruction */ enum crypt_s390_klmd_func { @@ -88,7 +94,8 @@ enum crypt_s390_klmd_func { KLMD_SHA_256 = CRYPT_S390_KLMD | 2, }; -/* function codes for KMAC (COMPUTE MESSAGE AUTHENTICATION CODE) +/* + * function codes for KMAC (COMPUTE MESSAGE AUTHENTICATION CODE) * instruction */ enum crypt_s390_kmac_func { @@ -98,229 +105,219 @@ enum crypt_s390_kmac_func { KMAC_TDEA_192 = CRYPT_S390_KMAC | 3 }; -/* status word for s390 crypto instructions' QUERY functions */ -struct crypt_s390_query_status { - u64 high; - u64 low; -}; - -/* +/** + * crypt_s390_km: + * @func: the function code passed to KM; see crypt_s390_km_func + * @param: address of parameter block; see POP for details on each func + * @dest: address of destination memory area + * @src: address of source memory area + * @src_len: length of src operand in bytes + * * Executes the KM (CIPHER MESSAGE) operation of the CPU. - * @param func: the function code passed to KM; see crypt_s390_km_func - * @param param: address of parameter block; see POP for details on each func - * @param dest: address of destination memory area - * @param src: address of source memory area - * @param src_len: length of src operand in bytes - * @returns < zero for failure, 0 for the query func, number of processed bytes - * for encryption/decryption funcs + * + * Returns -1 for failure, 0 for the query func, number of processed + * bytes for encryption/decryption funcs */ -static inline int -crypt_s390_km(long func, void* param, u8* dest, const u8* src, long src_len) +static inline int crypt_s390_km(long func, void *param, + u8 *dest, const u8 *src, long src_len) { register long __func asm("0") = func & CRYPT_S390_FUNC_MASK; - register void* __param asm("1") = param; - register const u8* __src asm("2") = src; + register void *__param asm("1") = param; + register const u8 *__src asm("2") = src; register long __src_len asm("3") = src_len; - register u8* __dest asm("4") = dest; + register u8 *__dest asm("4") = dest; int ret; asm volatile( "0: .insn rre,0xb92e0000,%3,%1 \n" /* KM opcode */ "1: brc 1,0b \n" /* handle partial completion */ - " ahi %0,%h7\n" - "2: ahi %0,%h8\n" - "3:\n" - EX_TABLE(0b,3b) EX_TABLE(1b,2b) + " la %0,0\n" + "2:\n" + EX_TABLE(0b,2b) EX_TABLE(1b,2b) : "=d" (ret), "+a" (__src), "+d" (__src_len), "+a" (__dest) - : "d" (__func), "a" (__param), "0" (-EFAULT), - "K" (ENOSYS), "K" (-ENOSYS + EFAULT) : "cc", "memory"); + : "d" (__func), "a" (__param), "0" (-1) : "cc", "memory"); if (ret < 0) return ret; return (func & CRYPT_S390_FUNC_MASK) ? src_len - __src_len : __src_len; } -/* +/** + * crypt_s390_kmc: + * @func: the function code passed to KM; see crypt_s390_kmc_func + * @param: address of parameter block; see POP for details on each func + * @dest: address of destination memory area + * @src: address of source memory area + * @src_len: length of src operand in bytes + * * Executes the KMC (CIPHER MESSAGE WITH CHAINING) operation of the CPU. - * @param func: the function code passed to KM; see crypt_s390_kmc_func - * @param param: address of parameter block; see POP for details on each func - * @param dest: address of destination memory area - * @param src: address of source memory area - * @param src_len: length of src operand in bytes - * @returns < zero for failure, 0 for the query func, number of processed bytes - * for encryption/decryption funcs + * + * Returns -1 for failure, 0 for the query func, number of processed + * bytes for encryption/decryption funcs */ -static inline int -crypt_s390_kmc(long func, void* param, u8* dest, const u8* src, long src_len) +static inline int crypt_s390_kmc(long func, void *param, + u8 *dest, const u8 *src, long src_len) { register long __func asm("0") = func & CRYPT_S390_FUNC_MASK; - register void* __param asm("1") = param; - register const u8* __src asm("2") = src; + register void *__param asm("1") = param; + register const u8 *__src asm("2") = src; register long __src_len asm("3") = src_len; - register u8* __dest asm("4") = dest; + register u8 *__dest asm("4") = dest; int ret; asm volatile( "0: .insn rre,0xb92f0000,%3,%1 \n" /* KMC opcode */ "1: brc 1,0b \n" /* handle partial completion */ - " ahi %0,%h7\n" - "2: ahi %0,%h8\n" - "3:\n" - EX_TABLE(0b,3b) EX_TABLE(1b,2b) + " la %0,0\n" + "2:\n" + EX_TABLE(0b,2b) EX_TABLE(1b,2b) : "=d" (ret), "+a" (__src), "+d" (__src_len), "+a" (__dest) - : "d" (__func), "a" (__param), "0" (-EFAULT), - "K" (ENOSYS), "K" (-ENOSYS + EFAULT) : "cc", "memory"); + : "d" (__func), "a" (__param), "0" (-1) : "cc", "memory"); if (ret < 0) return ret; return (func & CRYPT_S390_FUNC_MASK) ? src_len - __src_len : __src_len; } -/* +/** + * crypt_s390_kimd: + * @func: the function code passed to KM; see crypt_s390_kimd_func + * @param: address of parameter block; see POP for details on each func + * @src: address of source memory area + * @src_len: length of src operand in bytes + * * Executes the KIMD (COMPUTE INTERMEDIATE MESSAGE DIGEST) operation * of the CPU. - * @param func: the function code passed to KM; see crypt_s390_kimd_func - * @param param: address of parameter block; see POP for details on each func - * @param src: address of source memory area - * @param src_len: length of src operand in bytes - * @returns < zero for failure, 0 for the query func, number of processed bytes - * for digest funcs + * + * Returns -1 for failure, 0 for the query func, number of processed + * bytes for digest funcs */ -static inline int -crypt_s390_kimd(long func, void* param, const u8* src, long src_len) +static inline int crypt_s390_kimd(long func, void *param, + const u8 *src, long src_len) { register long __func asm("0") = func & CRYPT_S390_FUNC_MASK; - register void* __param asm("1") = param; - register const u8* __src asm("2") = src; + register void *__param asm("1") = param; + register const u8 *__src asm("2") = src; register long __src_len asm("3") = src_len; int ret; asm volatile( "0: .insn rre,0xb93e0000,%1,%1 \n" /* KIMD opcode */ "1: brc 1,0b \n" /* handle partial completion */ - " ahi %0,%h6\n" - "2: ahi %0,%h7\n" - "3:\n" - EX_TABLE(0b,3b) EX_TABLE(1b,2b) + " la %0,0\n" + "2:\n" + EX_TABLE(0b,2b) EX_TABLE(1b,2b) : "=d" (ret), "+a" (__src), "+d" (__src_len) - : "d" (__func), "a" (__param), "0" (-EFAULT), - "K" (ENOSYS), "K" (-ENOSYS + EFAULT) : "cc", "memory"); + : "d" (__func), "a" (__param), "0" (-1) : "cc", "memory"); if (ret < 0) return ret; return (func & CRYPT_S390_FUNC_MASK) ? src_len - __src_len : __src_len; } -/* +/** + * crypt_s390_klmd: + * @func: the function code passed to KM; see crypt_s390_klmd_func + * @param: address of parameter block; see POP for details on each func + * @src: address of source memory area + * @src_len: length of src operand in bytes + * * Executes the KLMD (COMPUTE LAST MESSAGE DIGEST) operation of the CPU. - * @param func: the function code passed to KM; see crypt_s390_klmd_func - * @param param: address of parameter block; see POP for details on each func - * @param src: address of source memory area - * @param src_len: length of src operand in bytes - * @returns < zero for failure, 0 for the query func, number of processed bytes - * for digest funcs + * + * Returns -1 for failure, 0 for the query func, number of processed + * bytes for digest funcs */ -static inline int -crypt_s390_klmd(long func, void* param, const u8* src, long src_len) +static inline int crypt_s390_klmd(long func, void *param, + const u8 *src, long src_len) { register long __func asm("0") = func & CRYPT_S390_FUNC_MASK; - register void* __param asm("1") = param; - register const u8* __src asm("2") = src; + register void *__param asm("1") = param; + register const u8 *__src asm("2") = src; register long __src_len asm("3") = src_len; int ret; asm volatile( "0: .insn rre,0xb93f0000,%1,%1 \n" /* KLMD opcode */ "1: brc 1,0b \n" /* handle partial completion */ - " ahi %0,%h6\n" - "2: ahi %0,%h7\n" - "3:\n" - EX_TABLE(0b,3b) EX_TABLE(1b,2b) + " la %0,0\n" + "2:\n" + EX_TABLE(0b,2b) EX_TABLE(1b,2b) : "=d" (ret), "+a" (__src), "+d" (__src_len) - : "d" (__func), "a" (__param), "0" (-EFAULT), - "K" (ENOSYS), "K" (-ENOSYS + EFAULT) : "cc", "memory"); + : "d" (__func), "a" (__param), "0" (-1) : "cc", "memory"); if (ret < 0) return ret; return (func & CRYPT_S390_FUNC_MASK) ? src_len - __src_len : __src_len; } -/* +/** + * crypt_s390_kmac: + * @func: the function code passed to KM; see crypt_s390_klmd_func + * @param: address of parameter block; see POP for details on each func + * @src: address of source memory area + * @src_len: length of src operand in bytes + * * Executes the KMAC (COMPUTE MESSAGE AUTHENTICATION CODE) operation * of the CPU. - * @param func: the function code passed to KM; see crypt_s390_klmd_func - * @param param: address of parameter block; see POP for details on each func - * @param src: address of source memory area - * @param src_len: length of src operand in bytes - * @returns < zero for failure, 0 for the query func, number of processed bytes - * for digest funcs + * + * Returns -1 for failure, 0 for the query func, number of processed + * bytes for digest funcs */ -static inline int -crypt_s390_kmac(long func, void* param, const u8* src, long src_len) +static inline int crypt_s390_kmac(long func, void *param, + const u8 *src, long src_len) { register long __func asm("0") = func & CRYPT_S390_FUNC_MASK; - register void* __param asm("1") = param; - register const u8* __src asm("2") = src; + register void *__param asm("1") = param; + register const u8 *__src asm("2") = src; register long __src_len asm("3") = src_len; int ret; asm volatile( "0: .insn rre,0xb91e0000,%1,%1 \n" /* KLAC opcode */ "1: brc 1,0b \n" /* handle partial completion */ - " ahi %0,%h6\n" - "2: ahi %0,%h7\n" - "3:\n" - EX_TABLE(0b,3b) EX_TABLE(1b,2b) + " la %0,0\n" + "2:\n" + EX_TABLE(0b,2b) EX_TABLE(1b,2b) : "=d" (ret), "+a" (__src), "+d" (__src_len) - : "d" (__func), "a" (__param), "0" (-EFAULT), - "K" (ENOSYS), "K" (-ENOSYS + EFAULT) : "cc", "memory"); + : "d" (__func), "a" (__param), "0" (-1) : "cc", "memory"); if (ret < 0) return ret; return (func & CRYPT_S390_FUNC_MASK) ? src_len - __src_len : __src_len; } /** + * crypt_s390_func_available: + * @func: the function code of the specific function; 0 if op in general + * * Tests if a specific crypto function is implemented on the machine. - * @param func: the function code of the specific function; 0 if op in general - * @return 1 if func available; 0 if func or op in general not available + * + * Returns 1 if func available; 0 if func or op in general not available */ -static inline int -crypt_s390_func_available(int func) +static inline int crypt_s390_func_available(int func) { + unsigned char status[16]; int ret; - struct crypt_s390_query_status status = { - .high = 0, - .low = 0 - }; - switch (func & CRYPT_S390_OP_MASK){ - case CRYPT_S390_KM: - ret = crypt_s390_km(KM_QUERY, &status, NULL, NULL, 0); - break; - case CRYPT_S390_KMC: - ret = crypt_s390_kmc(KMC_QUERY, &status, NULL, NULL, 0); - break; - case CRYPT_S390_KIMD: - ret = crypt_s390_kimd(KIMD_QUERY, &status, NULL, 0); - break; - case CRYPT_S390_KLMD: - ret = crypt_s390_klmd(KLMD_QUERY, &status, NULL, 0); - break; - case CRYPT_S390_KMAC: - ret = crypt_s390_kmac(KMAC_QUERY, &status, NULL, 0); - break; - default: - ret = 0; - return ret; - } - if (ret >= 0){ - func &= CRYPT_S390_FUNC_MASK; - func &= 0x7f; //mask modifier bit - if (func < 64){ - ret = (status.high >> (64 - func - 1)) & 0x1; - } else { - ret = (status.low >> (128 - func - 1)) & 0x1; - } - } else { - ret = 0; + switch (func & CRYPT_S390_OP_MASK) { + case CRYPT_S390_KM: + ret = crypt_s390_km(KM_QUERY, &status, NULL, NULL, 0); + break; + case CRYPT_S390_KMC: + ret = crypt_s390_kmc(KMC_QUERY, &status, NULL, NULL, 0); + break; + case CRYPT_S390_KIMD: + ret = crypt_s390_kimd(KIMD_QUERY, &status, NULL, 0); + break; + case CRYPT_S390_KLMD: + ret = crypt_s390_klmd(KLMD_QUERY, &status, NULL, 0); + break; + case CRYPT_S390_KMAC: + ret = crypt_s390_kmac(KMAC_QUERY, &status, NULL, 0); + break; + default: + return 0; } - return ret; + if (ret < 0) + return 0; + func &= CRYPT_S390_FUNC_MASK; + func &= 0x7f; /* mask modifier bit */ + return (status[func >> 3] & (0x80 >> (func & 7))) != 0; } -#endif // _CRYPTO_ARCH_S390_CRYPT_S390_H +#endif /* _CRYPTO_ARCH_S390_CRYPT_S390_H */ diff --git a/arch/s390/crypto/crypt_s390_query.c b/arch/s390/crypto/crypt_s390_query.c deleted file mode 100644 index 54fb11d7fad..00000000000 --- a/arch/s390/crypto/crypt_s390_query.c +++ /dev/null @@ -1,129 +0,0 @@ -/* - * Cryptographic API. - * - * Support for s390 cryptographic instructions. - * Testing module for querying processor crypto capabilities. - * - * Copyright (c) 2003 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Thomas Spatzier (tspat@de.ibm.com) - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - */ -#include <linux/module.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <asm/errno.h> -#include "crypt_s390.h" - -static void query_available_functions(void) -{ - printk(KERN_INFO "#####################\n"); - - /* query available KM functions */ - printk(KERN_INFO "KM_QUERY: %d\n", - crypt_s390_func_available(KM_QUERY)); - printk(KERN_INFO "KM_DEA: %d\n", - crypt_s390_func_available(KM_DEA_ENCRYPT)); - printk(KERN_INFO "KM_TDEA_128: %d\n", - crypt_s390_func_available(KM_TDEA_128_ENCRYPT)); - printk(KERN_INFO "KM_TDEA_192: %d\n", - crypt_s390_func_available(KM_TDEA_192_ENCRYPT)); - printk(KERN_INFO "KM_AES_128: %d\n", - crypt_s390_func_available(KM_AES_128_ENCRYPT)); - printk(KERN_INFO "KM_AES_192: %d\n", - crypt_s390_func_available(KM_AES_192_ENCRYPT)); - printk(KERN_INFO "KM_AES_256: %d\n", - crypt_s390_func_available(KM_AES_256_ENCRYPT)); - - /* query available KMC functions */ - printk(KERN_INFO "KMC_QUERY: %d\n", - crypt_s390_func_available(KMC_QUERY)); - printk(KERN_INFO "KMC_DEA: %d\n", - crypt_s390_func_available(KMC_DEA_ENCRYPT)); - printk(KERN_INFO "KMC_TDEA_128: %d\n", - crypt_s390_func_available(KMC_TDEA_128_ENCRYPT)); - printk(KERN_INFO "KMC_TDEA_192: %d\n", - crypt_s390_func_available(KMC_TDEA_192_ENCRYPT)); - printk(KERN_INFO "KMC_AES_128: %d\n", - crypt_s390_func_available(KMC_AES_128_ENCRYPT)); - printk(KERN_INFO "KMC_AES_192: %d\n", - crypt_s390_func_available(KMC_AES_192_ENCRYPT)); - printk(KERN_INFO "KMC_AES_256: %d\n", - crypt_s390_func_available(KMC_AES_256_ENCRYPT)); - - /* query available KIMD functions */ - printk(KERN_INFO "KIMD_QUERY: %d\n", - crypt_s390_func_available(KIMD_QUERY)); - printk(KERN_INFO "KIMD_SHA_1: %d\n", - crypt_s390_func_available(KIMD_SHA_1)); - printk(KERN_INFO "KIMD_SHA_256: %d\n", - crypt_s390_func_available(KIMD_SHA_256)); - - /* query available KLMD functions */ - printk(KERN_INFO "KLMD_QUERY: %d\n", - crypt_s390_func_available(KLMD_QUERY)); - printk(KERN_INFO "KLMD_SHA_1: %d\n", - crypt_s390_func_available(KLMD_SHA_1)); - printk(KERN_INFO "KLMD_SHA_256: %d\n", - crypt_s390_func_available(KLMD_SHA_256)); - - /* query available KMAC functions */ - printk(KERN_INFO "KMAC_QUERY: %d\n", - crypt_s390_func_available(KMAC_QUERY)); - printk(KERN_INFO "KMAC_DEA: %d\n", - crypt_s390_func_available(KMAC_DEA)); - printk(KERN_INFO "KMAC_TDEA_128: %d\n", - crypt_s390_func_available(KMAC_TDEA_128)); - printk(KERN_INFO "KMAC_TDEA_192: %d\n", - crypt_s390_func_available(KMAC_TDEA_192)); -} - -static int init(void) -{ - struct crypt_s390_query_status status = { - .high = 0, - .low = 0 - }; - - printk(KERN_INFO "crypt_s390: querying available crypto functions\n"); - crypt_s390_km(KM_QUERY, &status, NULL, NULL, 0); - printk(KERN_INFO "KM:\t%016llx %016llx\n", - (unsigned long long) status.high, - (unsigned long long) status.low); - status.high = status.low = 0; - crypt_s390_kmc(KMC_QUERY, &status, NULL, NULL, 0); - printk(KERN_INFO "KMC:\t%016llx %016llx\n", - (unsigned long long) status.high, - (unsigned long long) status.low); - status.high = status.low = 0; - crypt_s390_kimd(KIMD_QUERY, &status, NULL, 0); - printk(KERN_INFO "KIMD:\t%016llx %016llx\n", - (unsigned long long) status.high, - (unsigned long long) status.low); - status.high = status.low = 0; - crypt_s390_klmd(KLMD_QUERY, &status, NULL, 0); - printk(KERN_INFO "KLMD:\t%016llx %016llx\n", - (unsigned long long) status.high, - (unsigned long long) status.low); - status.high = status.low = 0; - crypt_s390_kmac(KMAC_QUERY, &status, NULL, 0); - printk(KERN_INFO "KMAC:\t%016llx %016llx\n", - (unsigned long long) status.high, - (unsigned long long) status.low); - - query_available_functions(); - return -ECANCELED; -} - -static void __exit cleanup(void) -{ -} - -module_init(init); -module_exit(cleanup); - -MODULE_LICENSE("GPL"); diff --git a/arch/s390/crypto/des_check_key.c b/arch/s390/crypto/des_check_key.c index e3f5c5f238f..5706af26644 100644 --- a/arch/s390/crypto/des_check_key.c +++ b/arch/s390/crypto/des_check_key.c @@ -10,8 +10,9 @@ * scatterlist interface. Changed LGPL to GPL per section 3 of the LGPL. * * s390 Version: - * Copyright (C) 2003 IBM Deutschland GmbH, IBM Corporation - * Author(s): Thomas Spatzier (tspat@de.ibm.com) + * Copyright IBM Corp. 2003 + * Author(s): Thomas Spatzier + * Jan Glauber (jan.glauber@de.ibm.com) * * Derived from "crypto/des.c" * Copyright (c) 1992 Dana L. How. @@ -30,6 +31,7 @@ #include <linux/module.h> #include <linux/errno.h> #include <linux/crypto.h> +#include "crypto_des.h" #define ROR(d,c,o) ((d) = (d) >> (c) | (d) << (o)) diff --git a/arch/s390/crypto/des_s390.c b/arch/s390/crypto/des_s390.c index 2aba04852fe..ea22707f435 100644 --- a/arch/s390/crypto/des_s390.c +++ b/arch/s390/crypto/des_s390.c @@ -3,9 +3,9 @@ * * s390 implementation of the DES Cipher Algorithm. * - * Copyright (c) 2003 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Thomas Spatzier (tspat@de.ibm.com) - * + * Copyright IBM Corp. 2003,2007 + * Author(s): Thomas Spatzier + * Jan Glauber (jan.glauber@de.ibm.com) * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -557,7 +557,7 @@ static int init(void) if (!crypt_s390_func_available(KM_DEA_ENCRYPT) || !crypt_s390_func_available(KM_TDEA_128_ENCRYPT) || !crypt_s390_func_available(KM_TDEA_192_ENCRYPT)) - return -ENOSYS; + return -EOPNOTSUPP; ret = crypto_register_alg(&des_alg); if (ret) diff --git a/arch/s390/crypto/prng.c b/arch/s390/crypto/prng.c new file mode 100644 index 00000000000..8eb3a1aedc2 --- /dev/null +++ b/arch/s390/crypto/prng.c @@ -0,0 +1,213 @@ +/* + * Copyright IBM Corp. 2006,2007 + * Author(s): Jan Glauber <jan.glauber@de.ibm.com> + * Driver for the s390 pseudo random number generator + */ +#include <linux/fs.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/miscdevice.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/random.h> +#include <asm/debug.h> +#include <asm/uaccess.h> + +#include "crypt_s390.h" + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Jan Glauber <jan.glauber@de.ibm.com>"); +MODULE_DESCRIPTION("s390 PRNG interface"); + +static int prng_chunk_size = 256; +module_param(prng_chunk_size, int, S_IRUSR | S_IRGRP | S_IROTH); +MODULE_PARM_DESC(prng_chunk_size, "PRNG read chunk size in bytes"); + +static int prng_entropy_limit = 4096; +module_param(prng_entropy_limit, int, S_IRUSR | S_IRGRP | S_IROTH | S_IWUSR); +MODULE_PARM_DESC(prng_entropy_limit, + "PRNG add entropy after that much bytes were produced"); + +/* + * Any one who considers arithmetical methods of producing random digits is, + * of course, in a state of sin. -- John von Neumann + */ + +struct s390_prng_data { + unsigned long count; /* how many bytes were produced */ + char *buf; +}; + +static struct s390_prng_data *p; + +/* copied from libica, use a non-zero initial parameter block */ +static unsigned char parm_block[32] = { +0x0F,0x2B,0x8E,0x63,0x8C,0x8E,0xD2,0x52,0x64,0xB7,0xA0,0x7B,0x75,0x28,0xB8,0xF4, +0x75,0x5F,0xD2,0xA6,0x8D,0x97,0x11,0xFF,0x49,0xD8,0x23,0xF3,0x7E,0x21,0xEC,0xA0, +}; + +static int prng_open(struct inode *inode, struct file *file) +{ + return nonseekable_open(inode, file); +} + +static void prng_add_entropy(void) +{ + __u64 entropy[4]; + unsigned int i; + int ret; + + for (i = 0; i < 16; i++) { + ret = crypt_s390_kmc(KMC_PRNG, parm_block, (char *)entropy, + (char *)entropy, sizeof(entropy)); + BUG_ON(ret < 0 || ret != sizeof(entropy)); + memcpy(parm_block, entropy, sizeof(entropy)); + } +} + +static void prng_seed(int nbytes) +{ + char buf[16]; + int i = 0; + + BUG_ON(nbytes > 16); + get_random_bytes(buf, nbytes); + + /* Add the entropy */ + while (nbytes >= 8) { + *((__u64 *)parm_block) ^= *((__u64 *)buf+i*8); + prng_add_entropy(); + i += 8; + nbytes -= 8; + } + prng_add_entropy(); +} + +static ssize_t prng_read(struct file *file, char __user *ubuf, size_t nbytes, + loff_t *ppos) +{ + int chunk, n; + int ret = 0; + int tmp; + + /* nbytes can be arbitrary long, we spilt it into chunks */ + while (nbytes) { + /* same as in extract_entropy_user in random.c */ + if (need_resched()) { + if (signal_pending(current)) { + if (ret == 0) + ret = -ERESTARTSYS; + break; + } + schedule(); + } + + /* + * we lose some random bytes if an attacker issues + * reads < 8 bytes, but we don't care + */ + chunk = min_t(int, nbytes, prng_chunk_size); + + /* PRNG only likes multiples of 8 bytes */ + n = (chunk + 7) & -8; + + if (p->count > prng_entropy_limit) + prng_seed(8); + + /* if the CPU supports PRNG stckf is present too */ + asm volatile(".insn s,0xb27c0000,%0" + : "=m" (*((unsigned long long *)p->buf)) : : "cc"); + + /* + * Beside the STCKF the input for the TDES-EDE is the output + * of the last operation. We differ here from X9.17 since we + * only store one timestamp into the buffer. Padding the whole + * buffer with timestamps does not improve security, since + * successive stckf have nearly constant offsets. + * If an attacker knows the first timestamp it would be + * trivial to guess the additional values. One timestamp + * is therefore enough and still guarantees unique input values. + * + * Note: you can still get strict X9.17 conformity by setting + * prng_chunk_size to 8 bytes. + */ + tmp = crypt_s390_kmc(KMC_PRNG, parm_block, p->buf, p->buf, n); + BUG_ON((tmp < 0) || (tmp != n)); + + p->count += n; + + if (copy_to_user(ubuf, p->buf, chunk)) + return -EFAULT; + + nbytes -= chunk; + ret += chunk; + ubuf += chunk; + } + return ret; +} + +static struct file_operations prng_fops = { + .owner = THIS_MODULE, + .open = &prng_open, + .release = NULL, + .read = &prng_read, +}; + +static struct miscdevice prng_dev = { + .name = "prandom", + .minor = MISC_DYNAMIC_MINOR, + .fops = &prng_fops, +}; + +static int __init prng_init(void) +{ + int ret; + + /* check if the CPU has a PRNG */ + if (!crypt_s390_func_available(KMC_PRNG)) + return -EOPNOTSUPP; + + if (prng_chunk_size < 8) + return -EINVAL; + + p = kmalloc(sizeof(struct s390_prng_data), GFP_KERNEL); + if (!p) + return -ENOMEM; + p->count = 0; + + p->buf = kmalloc(prng_chunk_size, GFP_KERNEL); + if (!p->buf) { + ret = -ENOMEM; + goto out_free; + } + + /* initialize the PRNG, add 128 bits of entropy */ + prng_seed(16); + + ret = misc_register(&prng_dev); + if (ret) { + printk(KERN_WARNING + "Could not register misc device for PRNG.\n"); + goto out_buf; + } + return 0; + +out_buf: + kfree(p->buf); +out_free: + kfree(p); + return ret; +} + +static void __exit prng_exit(void) +{ + /* wipe me */ + memset(p->buf, 0, prng_chunk_size); + kfree(p->buf); + kfree(p); + + misc_deregister(&prng_dev); +} + +module_init(prng_init); +module_exit(prng_exit); diff --git a/arch/s390/crypto/sha1_s390.c b/arch/s390/crypto/sha1_s390.c index 49ca8690ee3..969639f3197 100644 --- a/arch/s390/crypto/sha1_s390.c +++ b/arch/s390/crypto/sha1_s390.c @@ -8,8 +8,9 @@ * implementation written by Steve Reid. * * s390 Version: - * Copyright (C) 2003 IBM Deutschland GmbH, IBM Corporation - * Author(s): Thomas Spatzier (tspat@de.ibm.com) + * Copyright IBM Corp. 2003,2007 + * Author(s): Thomas Spatzier + * Jan Glauber (jan.glauber@de.ibm.com) * * Derived from "crypto/sha1.c" * Copyright (c) Alan Smithee. @@ -43,16 +44,14 @@ struct crypt_s390_sha1_ctx { static void sha1_init(struct crypto_tfm *tfm) { struct crypt_s390_sha1_ctx *ctx = crypto_tfm_ctx(tfm); - static const u32 initstate[5] = { - 0x67452301, - 0xEFCDAB89, - 0x98BADCFE, - 0x10325476, - 0xC3D2E1F0 - }; + + ctx->state[0] = 0x67452301; + ctx->state[1] = 0xEFCDAB89; + ctx->state[2] = 0x98BADCFE; + ctx->state[3] = 0x10325476; + ctx->state[4] = 0xC3D2E1F0; ctx->count = 0; - memcpy(ctx->state, &initstate, sizeof(initstate)); ctx->buf_len = 0; } @@ -63,13 +62,13 @@ static void sha1_update(struct crypto_tfm *tfm, const u8 *data, long imd_len; sctx = crypto_tfm_ctx(tfm); - sctx->count += len * 8; //message bit length + sctx->count += len * 8; /* message bit length */ - //anything in buffer yet? -> must be completed + /* anything in buffer yet? -> must be completed */ if (sctx->buf_len && (sctx->buf_len + len) >= SHA1_BLOCK_SIZE) { - //complete full block and hash + /* complete full block and hash */ memcpy(sctx->buffer + sctx->buf_len, data, - SHA1_BLOCK_SIZE - sctx->buf_len); + SHA1_BLOCK_SIZE - sctx->buf_len); crypt_s390_kimd(KIMD_SHA_1, sctx->state, sctx->buffer, SHA1_BLOCK_SIZE); data += SHA1_BLOCK_SIZE - sctx->buf_len; @@ -77,37 +76,36 @@ static void sha1_update(struct crypto_tfm *tfm, const u8 *data, sctx->buf_len = 0; } - //rest of data contains full blocks? + /* rest of data contains full blocks? */ imd_len = len & ~0x3ful; - if (imd_len){ + if (imd_len) { crypt_s390_kimd(KIMD_SHA_1, sctx->state, data, imd_len); data += imd_len; len -= imd_len; } - //anything left? store in buffer - if (len){ + /* anything left? store in buffer */ + if (len) { memcpy(sctx->buffer + sctx->buf_len , data, len); sctx->buf_len += len; } } -static void -pad_message(struct crypt_s390_sha1_ctx* sctx) +static void pad_message(struct crypt_s390_sha1_ctx* sctx) { int index; index = sctx->buf_len; - sctx->buf_len = (sctx->buf_len < 56)? - SHA1_BLOCK_SIZE:2 * SHA1_BLOCK_SIZE; - //start pad with 1 + sctx->buf_len = (sctx->buf_len < 56) ? + SHA1_BLOCK_SIZE:2 * SHA1_BLOCK_SIZE; + /* start pad with 1 */ sctx->buffer[index] = 0x80; - //pad with zeros + /* pad with zeros */ index++; memset(sctx->buffer + index, 0x00, sctx->buf_len - index); - //append length + /* append length */ memcpy(sctx->buffer + sctx->buf_len - 8, &sctx->count, - sizeof sctx->count); + sizeof sctx->count); } /* Add padding and return the message digest. */ @@ -115,47 +113,40 @@ static void sha1_final(struct crypto_tfm *tfm, u8 *out) { struct crypt_s390_sha1_ctx *sctx = crypto_tfm_ctx(tfm); - //must perform manual padding + /* must perform manual padding */ pad_message(sctx); crypt_s390_kimd(KIMD_SHA_1, sctx->state, sctx->buffer, sctx->buf_len); - //copy digest to out + /* copy digest to out */ memcpy(out, sctx->state, SHA1_DIGEST_SIZE); - /* Wipe context */ + /* wipe context */ memset(sctx, 0, sizeof *sctx); } static struct crypto_alg alg = { .cra_name = "sha1", - .cra_driver_name = "sha1-s390", + .cra_driver_name= "sha1-s390", .cra_priority = CRYPT_S390_PRIORITY, .cra_flags = CRYPTO_ALG_TYPE_DIGEST, .cra_blocksize = SHA1_BLOCK_SIZE, .cra_ctxsize = sizeof(struct crypt_s390_sha1_ctx), .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(alg.cra_list), + .cra_list = LIST_HEAD_INIT(alg.cra_list), .cra_u = { .digest = { .dia_digestsize = SHA1_DIGEST_SIZE, - .dia_init = sha1_init, - .dia_update = sha1_update, - .dia_final = sha1_final } } + .dia_init = sha1_init, + .dia_update = sha1_update, + .dia_final = sha1_final } } }; -static int -init(void) +static int __init init(void) { - int ret = -ENOSYS; + if (!crypt_s390_func_available(KIMD_SHA_1)) + return -EOPNOTSUPP; - if (crypt_s390_func_available(KIMD_SHA_1)){ - ret = crypto_register_alg(&alg); - if (ret == 0){ - printk(KERN_INFO "crypt_s390: sha1_s390 loaded.\n"); - } - } - return ret; + return crypto_register_alg(&alg); } -static void __exit -fini(void) +static void __exit fini(void) { crypto_unregister_alg(&alg); } diff --git a/arch/s390/crypto/sha256_s390.c b/arch/s390/crypto/sha256_s390.c index 8e4e67503fe..78436c696d3 100644 --- a/arch/s390/crypto/sha256_s390.c +++ b/arch/s390/crypto/sha256_s390.c @@ -4,7 +4,7 @@ * s390 implementation of the SHA256 Secure Hash Algorithm. * * s390 Version: - * Copyright (C) 2005 IBM Deutschland GmbH, IBM Corporation + * Copyright IBM Corp. 2005,2007 * Author(s): Jan Glauber (jang@de.ibm.com) * * Derived from "crypto/sha256.c" @@ -143,15 +143,10 @@ static struct crypto_alg alg = { static int init(void) { - int ret; - if (!crypt_s390_func_available(KIMD_SHA_256)) - return -ENOSYS; + return -EOPNOTSUPP; - ret = crypto_register_alg(&alg); - if (ret != 0) - printk(KERN_INFO "crypt_s390: sha256_s390 couldn't be loaded."); - return ret; + return crypto_register_alg(&alg); } static void __exit fini(void) diff --git a/arch/s390/defconfig b/arch/s390/defconfig index 5368cf4a350..1406400bf3e 100644 --- a/arch/s390/defconfig +++ b/arch/s390/defconfig @@ -108,6 +108,8 @@ CONFIG_DEFAULT_MIGRATION_COST=1000000 CONFIG_COMPAT=y CONFIG_SYSVIPC_COMPAT=y CONFIG_AUDIT_ARCH=y +CONFIG_S390_SWITCH_AMODE=y +CONFIG_S390_EXEC_PROTECT=y # # Code generation options @@ -177,6 +179,8 @@ CONFIG_XFRM=y # CONFIG_XFRM_USER is not set # CONFIG_XFRM_SUB_POLICY is not set CONFIG_NET_KEY=y +CONFIG_IUCV=m +CONFIG_AFIUCV=m CONFIG_INET=y CONFIG_IP_MULTICAST=y # CONFIG_IP_ADVANCED_ROUTER is not set @@ -431,7 +435,6 @@ CONFIG_TN3270_CONSOLE=y CONFIG_TN3215=y CONFIG_TN3215_CONSOLE=y CONFIG_CCW_CONSOLE=y -CONFIG_SCLP=y CONFIG_SCLP_TTY=y CONFIG_SCLP_CONSOLE=y CONFIG_SCLP_VT220_TTY=y @@ -507,7 +510,6 @@ CONFIG_NET_ETHERNET=y # CONFIG_LCS=m CONFIG_CTC=m -CONFIG_IUCV=m # CONFIG_NETIUCV is not set # CONFIG_SMSGIUCV is not set # CONFIG_CLAW is not set @@ -724,9 +726,7 @@ CONFIG_CRYPTO_MANAGER=y # CONFIG_CRYPTO_MD4 is not set # CONFIG_CRYPTO_MD5 is not set # CONFIG_CRYPTO_SHA1 is not set -# CONFIG_CRYPTO_SHA1_S390 is not set # CONFIG_CRYPTO_SHA256 is not set -# CONFIG_CRYPTO_SHA256_S390 is not set # CONFIG_CRYPTO_SHA512 is not set # CONFIG_CRYPTO_WP512 is not set # CONFIG_CRYPTO_TGR192 is not set @@ -735,12 +735,10 @@ CONFIG_CRYPTO_ECB=m CONFIG_CRYPTO_CBC=y # CONFIG_CRYPTO_LRW is not set # CONFIG_CRYPTO_DES is not set -# CONFIG_CRYPTO_DES_S390 is not set # CONFIG_CRYPTO_BLOWFISH is not set # CONFIG_CRYPTO_TWOFISH is not set # CONFIG_CRYPTO_SERPENT is not set # CONFIG_CRYPTO_AES is not set -# CONFIG_CRYPTO_AES_S390 is not set # CONFIG_CRYPTO_CAST5 is not set # CONFIG_CRYPTO_CAST6 is not set # CONFIG_CRYPTO_TEA is not set @@ -755,6 +753,11 @@ CONFIG_CRYPTO_CBC=y # # Hardware crypto devices # +# CONFIG_CRYPTO_SHA1_S390 is not set +# CONFIG_CRYPTO_SHA256_S390 is not set +# CONFIG_CRYPTO_DES_S390 is not set +# CONFIG_CRYPTO_AES_S390 is not set +CONFIG_S390_PRNG=m # # Library routines diff --git a/arch/s390/hypfs/Makefile b/arch/s390/hypfs/Makefile index f4b00cd81f7..b08d2abf617 100644 --- a/arch/s390/hypfs/Makefile +++ b/arch/s390/hypfs/Makefile @@ -4,4 +4,4 @@ obj-$(CONFIG_S390_HYPFS_FS) += s390_hypfs.o -s390_hypfs-objs := inode.o hypfs_diag.o +s390_hypfs-objs := inode.o hypfs_diag.o hypfs_vm.o diff --git a/arch/s390/hypfs/hypfs.h b/arch/s390/hypfs/hypfs.h index f3dbd91965c..aea572009d6 100644 --- a/arch/s390/hypfs/hypfs.h +++ b/arch/s390/hypfs/hypfs.h @@ -27,4 +27,13 @@ extern struct dentry *hypfs_create_str(struct super_block *sb, struct dentry *dir, const char *name, char *string); +/* LPAR Hypervisor */ +extern int hypfs_diag_init(void); +extern void hypfs_diag_exit(void); +extern int hypfs_diag_create_files(struct super_block *sb, struct dentry *root); + +/* VM Hypervisor */ +extern int hypfs_vm_init(void); +extern int hypfs_vm_create_files(struct super_block *sb, struct dentry *root); + #endif /* _HYPFS_H_ */ diff --git a/arch/s390/hypfs/hypfs_diag.h b/arch/s390/hypfs/hypfs_diag.h deleted file mode 100644 index 256b384aebe..00000000000 --- a/arch/s390/hypfs/hypfs_diag.h +++ /dev/null @@ -1,16 +0,0 @@ -/* - * arch/s390/hypfs_diag.h - * Hypervisor filesystem for Linux on s390. - * - * Copyright (C) IBM Corp. 2006 - * Author(s): Michael Holzheu <holzheu@de.ibm.com> - */ - -#ifndef _HYPFS_DIAG_H_ -#define _HYPFS_DIAG_H_ - -extern int hypfs_diag_init(void); -extern void hypfs_diag_exit(void); -extern int hypfs_diag_create_files(struct super_block *sb, struct dentry *root); - -#endif /* _HYPFS_DIAG_H_ */ diff --git a/arch/s390/hypfs/hypfs_vm.c b/arch/s390/hypfs/hypfs_vm.c new file mode 100644 index 00000000000..d01fc8f799f --- /dev/null +++ b/arch/s390/hypfs/hypfs_vm.c @@ -0,0 +1,231 @@ +/* + * Hypervisor filesystem for Linux on s390. z/VM implementation. + * + * Copyright (C) IBM Corp. 2006 + * Author(s): Michael Holzheu <holzheu@de.ibm.com> + */ + +#include <linux/types.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/vmalloc.h> +#include <asm/ebcdic.h> +#include "hypfs.h" + +#define NAME_LEN 8 + +static char local_guest[] = " "; +static char all_guests[] = "* "; +static char *guest_query; + +struct diag2fc_data { + __u32 version; + __u32 flags; + __u64 used_cpu; + __u64 el_time; + __u64 mem_min_kb; + __u64 mem_max_kb; + __u64 mem_share_kb; + __u64 mem_used_kb; + __u32 pcpus; + __u32 lcpus; + __u32 vcpus; + __u32 cpu_min; + __u32 cpu_max; + __u32 cpu_shares; + __u32 cpu_use_samp; + __u32 cpu_delay_samp; + __u32 page_wait_samp; + __u32 idle_samp; + __u32 other_samp; + __u32 total_samp; + char guest_name[NAME_LEN]; +}; + +struct diag2fc_parm_list { + char userid[NAME_LEN]; + char aci_grp[NAME_LEN]; + __u64 addr; + __u32 size; + __u32 fmt; +}; + +static int diag2fc(int size, char* query, void *addr) +{ + unsigned long residual_cnt; + unsigned long rc; + struct diag2fc_parm_list parm_list; + + memcpy(parm_list.userid, query, NAME_LEN); + ASCEBC(parm_list.userid, NAME_LEN); + parm_list.addr = (unsigned long) addr ; + parm_list.size = size; + parm_list.fmt = 0x02; + memset(parm_list.aci_grp, 0x40, NAME_LEN); + rc = -1; + + asm volatile( + " diag %0,%1,0x2fc\n" + "0:\n" + EX_TABLE(0b,0b) + : "=d" (residual_cnt), "+d" (rc) : "0" (&parm_list) : "memory"); + + if ((rc != 0 ) && (rc != -2)) + return rc; + else + return -residual_cnt; +} + +static struct diag2fc_data *diag2fc_store(char *query, int *count) +{ + int size; + struct diag2fc_data *data; + + do { + size = diag2fc(0, query, NULL); + if (size < 0) + return ERR_PTR(-EACCES); + data = vmalloc(size); + if (!data) + return ERR_PTR(-ENOMEM); + if (diag2fc(size, query, data) == 0) + break; + vfree(data); + } while (1); + *count = (size / sizeof(*data)); + + return data; +} + +static void diag2fc_free(void *data) +{ + vfree(data); +} + +#define ATTRIBUTE(sb, dir, name, member) \ +do { \ + void *rc; \ + rc = hypfs_create_u64(sb, dir, name, member); \ + if (IS_ERR(rc)) \ + return PTR_ERR(rc); \ +} while(0) + +static int hpyfs_vm_create_guest(struct super_block *sb, + struct dentry *systems_dir, + struct diag2fc_data *data) +{ + char guest_name[NAME_LEN + 1] = {}; + struct dentry *guest_dir, *cpus_dir, *samples_dir, *mem_dir; + int dedicated_flag, capped_value; + + capped_value = (data->flags & 0x00000006) >> 1; + dedicated_flag = (data->flags & 0x00000008) >> 3; + + /* guest dir */ + memcpy(guest_name, data->guest_name, NAME_LEN); + EBCASC(guest_name, NAME_LEN); + strstrip(guest_name); + guest_dir = hypfs_mkdir(sb, systems_dir, guest_name); + if (IS_ERR(guest_dir)) + return PTR_ERR(guest_dir); + ATTRIBUTE(sb, guest_dir, "onlinetime_us", data->el_time); + + /* logical cpu information */ + cpus_dir = hypfs_mkdir(sb, guest_dir, "cpus"); + if (IS_ERR(cpus_dir)) + return PTR_ERR(cpus_dir); + ATTRIBUTE(sb, cpus_dir, "cputime_us", data->used_cpu); + ATTRIBUTE(sb, cpus_dir, "capped", capped_value); + ATTRIBUTE(sb, cpus_dir, "dedicated", dedicated_flag); + ATTRIBUTE(sb, cpus_dir, "count", data->vcpus); + ATTRIBUTE(sb, cpus_dir, "weight_min", data->cpu_min); + ATTRIBUTE(sb, cpus_dir, "weight_max", data->cpu_max); + ATTRIBUTE(sb, cpus_dir, "weight_cur", data->cpu_shares); + + /* memory information */ + mem_dir = hypfs_mkdir(sb, guest_dir, "mem"); + if (IS_ERR(mem_dir)) + return PTR_ERR(mem_dir); + ATTRIBUTE(sb, mem_dir, "min_KiB", data->mem_min_kb); + ATTRIBUTE(sb, mem_dir, "max_KiB", data->mem_max_kb); + ATTRIBUTE(sb, mem_dir, "used_KiB", data->mem_used_kb); + ATTRIBUTE(sb, mem_dir, "share_KiB", data->mem_share_kb); + + /* samples */ + samples_dir = hypfs_mkdir(sb, guest_dir, "samples"); + if (IS_ERR(samples_dir)) + return PTR_ERR(samples_dir); + ATTRIBUTE(sb, samples_dir, "cpu_using", data->cpu_use_samp); + ATTRIBUTE(sb, samples_dir, "cpu_delay", data->cpu_delay_samp); + ATTRIBUTE(sb, samples_dir, "mem_delay", data->page_wait_samp); + ATTRIBUTE(sb, samples_dir, "idle", data->idle_samp); + ATTRIBUTE(sb, samples_dir, "other", data->other_samp); + ATTRIBUTE(sb, samples_dir, "total", data->total_samp); + return 0; +} + +int hypfs_vm_create_files(struct super_block *sb, struct dentry *root) +{ + struct dentry *dir, *file; + struct diag2fc_data *data; + int rc, i, count = 0; + + data = diag2fc_store(guest_query, &count); + if (IS_ERR(data)) + return PTR_ERR(data); + + /* Hpervisor Info */ + dir = hypfs_mkdir(sb, root, "hyp"); + if (IS_ERR(dir)) { + rc = PTR_ERR(dir); + goto failed; + } + file = hypfs_create_str(sb, dir, "type", "z/VM Hypervisor"); + if (IS_ERR(file)) { + rc = PTR_ERR(file); + goto failed; + } + + /* physical cpus */ + dir = hypfs_mkdir(sb, root, "cpus"); + if (IS_ERR(dir)) { + rc = PTR_ERR(dir); + goto failed; + } + file = hypfs_create_u64(sb, dir, "count", data->lcpus); + if (IS_ERR(file)) { + rc = PTR_ERR(file); + goto failed; + } + + /* guests */ + dir = hypfs_mkdir(sb, root, "systems"); + if (IS_ERR(dir)) { + rc = PTR_ERR(dir); + goto failed; + } + + for (i = 0; i < count; i++) { + rc = hpyfs_vm_create_guest(sb, dir, &(data[i])); + if (rc) + goto failed; + } + diag2fc_free(data); + return 0; + +failed: + diag2fc_free(data); + return rc; +} + +int hypfs_vm_init(void) +{ + if (diag2fc(0, all_guests, NULL) > 0) + guest_query = all_guests; + else if (diag2fc(0, local_guest, NULL) > 0) + guest_query = local_guest; + else + return -EACCES; + + return 0; +} diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c index b6716c4b993..ba5d3167df0 100644 --- a/arch/s390/hypfs/inode.c +++ b/arch/s390/hypfs/inode.c @@ -19,7 +19,6 @@ #include <linux/module.h> #include <asm/ebcdic.h> #include "hypfs.h" -#include "hypfs_diag.h" #define HYPFS_MAGIC 0x687970 /* ASCII 'hyp' */ #define TMP_SIZE 64 /* size of temporary buffers */ @@ -35,7 +34,7 @@ struct hypfs_sb_info { struct mutex lock; /* lock to protect update process */ }; -static struct file_operations hypfs_file_ops; +static const struct file_operations hypfs_file_ops; static struct file_system_type hypfs_type; static struct super_operations hypfs_s_ops; @@ -192,7 +191,10 @@ static ssize_t hypfs_aio_write(struct kiocb *iocb, const struct iovec *iov, goto out; } hypfs_delete_tree(sb->s_root); - rc = hypfs_diag_create_files(sb, sb->s_root); + if (MACHINE_IS_VM) + rc = hypfs_vm_create_files(sb, sb->s_root); + else + rc = hypfs_diag_create_files(sb, sb->s_root); if (rc) { printk(KERN_ERR "hypfs: Update failed\n"); hypfs_delete_tree(sb->s_root); @@ -289,7 +291,10 @@ static int hypfs_fill_super(struct super_block *sb, void *data, int silent) rc = -ENOMEM; goto err_alloc; } - rc = hypfs_diag_create_files(sb, root_dentry); + if (MACHINE_IS_VM) + rc = hypfs_vm_create_files(sb, root_dentry); + else + rc = hypfs_diag_create_files(sb, root_dentry); if (rc) goto err_tree; sbi->update_file = hypfs_create_update_file(sb, root_dentry); @@ -435,7 +440,7 @@ struct dentry *hypfs_create_str(struct super_block *sb, struct dentry *dir, return dentry; } -static struct file_operations hypfs_file_ops = { +static const struct file_operations hypfs_file_ops = { .open = hypfs_open, .release = hypfs_release, .read = do_sync_read, @@ -462,11 +467,15 @@ static int __init hypfs_init(void) { int rc; - if (MACHINE_IS_VM) - return -ENODATA; - if (hypfs_diag_init()) { - rc = -ENODATA; - goto fail_diag; + if (MACHINE_IS_VM) { + if (hypfs_vm_init()) + /* no diag 2fc, just exit */ + return -ENODATA; + } else { + if (hypfs_diag_init()) { + rc = -ENODATA; + goto fail_diag; + } } kset_set_kset_s(&s390_subsys, hypervisor_subsys); rc = subsystem_register(&s390_subsys); @@ -480,7 +489,8 @@ static int __init hypfs_init(void) fail_filesystem: subsystem_unregister(&s390_subsys); fail_sysfs: - hypfs_diag_exit(); + if (!MACHINE_IS_VM) + hypfs_diag_exit(); fail_diag: printk(KERN_ERR "hypfs: Initialization failed with rc = %i.\n", rc); return rc; @@ -488,7 +498,8 @@ fail_diag: static void __exit hypfs_exit(void) { - hypfs_diag_exit(); + if (!MACHINE_IS_VM) + hypfs_diag_exit(); unregister_filesystem(&hypfs_type); subsystem_unregister(&s390_subsys); } diff --git a/arch/s390/kernel/Makefile b/arch/s390/kernel/Makefile index a81881c9b29..5492d25d7d6 100644 --- a/arch/s390/kernel/Makefile +++ b/arch/s390/kernel/Makefile @@ -4,9 +4,9 @@ EXTRA_AFLAGS := -traditional -obj-y := bitmap.o traps.o time.o process.o reset.o \ +obj-y := bitmap.o traps.o time.o process.o base.o early.o \ setup.o sys_s390.o ptrace.o signal.o cpcmd.o ebcdic.o \ - semaphore.o s390_ext.o debug.o profile.o irq.o ipl.o + semaphore.o s390_ext.o debug.o irq.o ipl.o obj-y += $(if $(CONFIG_64BIT),entry64.o,entry.o) obj-y += $(if $(CONFIG_64BIT),reipl64.o,reipl.o) diff --git a/arch/s390/kernel/base.S b/arch/s390/kernel/base.S new file mode 100644 index 00000000000..dc7e5259770 --- /dev/null +++ b/arch/s390/kernel/base.S @@ -0,0 +1,150 @@ +/* + * arch/s390/kernel/base.S + * + * Copyright IBM Corp. 2006,2007 + * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com> + * Michael Holzheu <holzheu@de.ibm.com> + */ + +#include <asm/ptrace.h> +#include <asm/lowcore.h> + +#ifdef CONFIG_64BIT + + .globl s390_base_mcck_handler +s390_base_mcck_handler: + basr %r13,0 +0: lg %r15,__LC_PANIC_STACK # load panic stack + aghi %r15,-STACK_FRAME_OVERHEAD + larl %r1,s390_base_mcck_handler_fn + lg %r1,0(%r1) + ltgr %r1,%r1 + jz 1f + basr %r14,%r1 +1: la %r1,4095 + lmg %r0,%r15,__LC_GPREGS_SAVE_AREA-4095(%r1) + lpswe __LC_MCK_OLD_PSW + + .section .bss + .globl s390_base_mcck_handler_fn +s390_base_mcck_handler_fn: + .quad 0 + .previous + + .globl s390_base_ext_handler +s390_base_ext_handler: + stmg %r0,%r15,__LC_SAVE_AREA + basr %r13,0 +0: aghi %r15,-STACK_FRAME_OVERHEAD + larl %r1,s390_base_ext_handler_fn + lg %r1,0(%r1) + ltgr %r1,%r1 + jz 1f + basr %r14,%r1 +1: lmg %r0,%r15,__LC_SAVE_AREA + ni __LC_EXT_OLD_PSW+1,0xfd # clear wait state bit + lpswe __LC_EXT_OLD_PSW + + .section .bss + .globl s390_base_ext_handler_fn +s390_base_ext_handler_fn: + .quad 0 + .previous + + .globl s390_base_pgm_handler +s390_base_pgm_handler: + stmg %r0,%r15,__LC_SAVE_AREA + basr %r13,0 +0: aghi %r15,-STACK_FRAME_OVERHEAD + larl %r1,s390_base_pgm_handler_fn + lg %r1,0(%r1) + ltgr %r1,%r1 + jz 1f + basr %r14,%r1 + lmg %r0,%r15,__LC_SAVE_AREA + lpswe __LC_PGM_OLD_PSW +1: lpswe disabled_wait_psw-0b(%r13) + + .align 8 +disabled_wait_psw: + .quad 0x0002000180000000,0x0000000000000000 + s390_base_pgm_handler + + .section .bss + .globl s390_base_pgm_handler_fn +s390_base_pgm_handler_fn: + .quad 0 + .previous + +#else /* CONFIG_64BIT */ + + .globl s390_base_mcck_handler +s390_base_mcck_handler: + basr %r13,0 +0: l %r15,__LC_PANIC_STACK # load panic stack + ahi %r15,-STACK_FRAME_OVERHEAD + l %r1,2f-0b(%r13) + l %r1,0(%r1) + ltr %r1,%r1 + jz 1f + basr %r14,%r1 +1: lm %r0,%r15,__LC_GPREGS_SAVE_AREA + lpsw __LC_MCK_OLD_PSW + +2: .long s390_base_mcck_handler_fn + + .section .bss + .globl s390_base_mcck_handler_fn +s390_base_mcck_handler_fn: + .long 0 + .previous + + .globl s390_base_ext_handler +s390_base_ext_handler: + stm %r0,%r15,__LC_SAVE_AREA + basr %r13,0 +0: ahi %r15,-STACK_FRAME_OVERHEAD + l %r1,2f-0b(%r13) + l %r1,0(%r1) + ltr %r1,%r1 + jz 1f + basr %r14,%r1 +1: lm %r0,%r15,__LC_SAVE_AREA + ni __LC_EXT_OLD_PSW+1,0xfd # clear wait state bit + lpsw __LC_EXT_OLD_PSW + +2: .long s390_base_ext_handler_fn + + .section .bss + .globl s390_base_ext_handler_fn +s390_base_ext_handler_fn: + .long 0 + .previous + + .globl s390_base_pgm_handler +s390_base_pgm_handler: + stm %r0,%r15,__LC_SAVE_AREA + basr %r13,0 +0: ahi %r15,-STACK_FRAME_OVERHEAD + l %r1,2f-0b(%r13) + l %r1,0(%r1) + ltr %r1,%r1 + jz 1f + basr %r14,%r1 + lm %r0,%r15,__LC_SAVE_AREA + lpsw __LC_PGM_OLD_PSW + +1: lpsw disabled_wait_psw-0b(%r13) + +2: .long s390_base_pgm_handler_fn + +disabled_wait_psw: + .align 8 + .long 0x000a0000,0x00000000 + s390_base_pgm_handler + + .section .bss + .globl s390_base_pgm_handler_fn +s390_base_pgm_handler_fn: + .long 0 + .previous + +#endif /* CONFIG_64BIT */ diff --git a/arch/s390/kernel/binfmt_elf32.c b/arch/s390/kernel/binfmt_elf32.c index 5c46054195c..f1e40ca00d8 100644 --- a/arch/s390/kernel/binfmt_elf32.c +++ b/arch/s390/kernel/binfmt_elf32.c @@ -192,7 +192,7 @@ MODULE_AUTHOR("Gerhard Tonn <ton@de.ibm.com>"); #undef cputime_to_timeval #define cputime_to_timeval cputime_to_compat_timeval -static __inline__ void +static inline void cputime_to_compat_timeval(const cputime_t cputime, struct compat_timeval *value) { value->tv_usec = cputime % 1000000; diff --git a/arch/s390/kernel/compat_exec_domain.c b/arch/s390/kernel/compat_exec_domain.c index 71d27c49356..914d49444f9 100644 --- a/arch/s390/kernel/compat_exec_domain.c +++ b/arch/s390/kernel/compat_exec_domain.c @@ -12,10 +12,9 @@ #include <linux/personality.h> #include <linux/sched.h> -struct exec_domain s390_exec_domain; +static struct exec_domain s390_exec_domain; -static int __init -s390_init (void) +static int __init s390_init (void) { s390_exec_domain.name = "Linux/s390"; s390_exec_domain.handler = NULL; diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c index 5b33f823863..664c669b185 100644 --- a/arch/s390/kernel/compat_linux.c +++ b/arch/s390/kernel/compat_linux.c @@ -69,6 +69,12 @@ #include "compat_linux.h" +long psw_user32_bits = (PSW_BASE32_BITS | PSW_MASK_DAT | PSW_ASC_HOME | + PSW_MASK_IO | PSW_MASK_EXT | PSW_MASK_MCHECK | + PSW_MASK_PSTATE | PSW_DEFAULT_KEY); +long psw32_user_bits = (PSW32_BASE_BITS | PSW32_MASK_DAT | PSW32_ASC_HOME | + PSW32_MASK_IO | PSW32_MASK_EXT | PSW32_MASK_MCHECK | + PSW32_MASK_PSTATE); /* For this source file, we want overflow handling. */ @@ -392,51 +398,6 @@ int cp_compat_stat(struct kstat *stat, struct compat_stat __user *statbuf) return err; } -struct sysinfo32 { - s32 uptime; - u32 loads[3]; - u32 totalram; - u32 freeram; - u32 sharedram; - u32 bufferram; - u32 totalswap; - u32 freeswap; - unsigned short procs; - unsigned short pads; - u32 totalhigh; - u32 freehigh; - unsigned int mem_unit; - char _f[8]; -}; - -asmlinkage long sys32_sysinfo(struct sysinfo32 __user *info) -{ - struct sysinfo s; - int ret, err; - mm_segment_t old_fs = get_fs (); - - set_fs (KERNEL_DS); - ret = sys_sysinfo((struct sysinfo __user *) &s); - set_fs (old_fs); - err = put_user (s.uptime, &info->uptime); - err |= __put_user (s.loads[0], &info->loads[0]); - err |= __put_user (s.loads[1], &info->loads[1]); - err |= __put_user (s.loads[2], &info->loads[2]); - err |= __put_user (s.totalram, &info->totalram); - err |= __put_user (s.freeram, &info->freeram); - err |= __put_user (s.sharedram, &info->sharedram); - err |= __put_user (s.bufferram, &info->bufferram); - err |= __put_user (s.totalswap, &info->totalswap); - err |= __put_user (s.freeswap, &info->freeswap); - err |= __put_user (s.procs, &info->procs); - err |= __put_user (s.totalhigh, &info->totalhigh); - err |= __put_user (s.freehigh, &info->freehigh); - err |= __put_user (s.mem_unit, &info->mem_unit); - if (err) - return -EFAULT; - return ret; -} - asmlinkage long sys32_sched_rr_get_interval(compat_pid_t pid, struct compat_timespec __user *interval) { @@ -445,7 +406,8 @@ asmlinkage long sys32_sched_rr_get_interval(compat_pid_t pid, mm_segment_t old_fs = get_fs (); set_fs (KERNEL_DS); - ret = sys_sched_rr_get_interval(pid, (struct timespec __user *) &t); + ret = sys_sched_rr_get_interval(pid, + (struct timespec __force __user *) &t); set_fs (old_fs); if (put_compat_timespec(&t, interval)) return -EFAULT; @@ -472,8 +434,8 @@ asmlinkage long sys32_rt_sigprocmask(int how, compat_sigset_t __user *set, } set_fs (KERNEL_DS); ret = sys_rt_sigprocmask(how, - set ? (sigset_t __user *) &s : NULL, - oset ? (sigset_t __user *) &s : NULL, + set ? (sigset_t __force __user *) &s : NULL, + oset ? (sigset_t __force __user *) &s : NULL, sigsetsize); set_fs (old_fs); if (ret) return ret; @@ -499,7 +461,7 @@ asmlinkage long sys32_rt_sigpending(compat_sigset_t __user *set, mm_segment_t old_fs = get_fs(); set_fs (KERNEL_DS); - ret = sys_rt_sigpending((sigset_t __user *) &s, sigsetsize); + ret = sys_rt_sigpending((sigset_t __force __user *) &s, sigsetsize); set_fs (old_fs); if (!ret) { switch (_NSIG_WORDS) { @@ -524,7 +486,7 @@ sys32_rt_sigqueueinfo(int pid, int sig, compat_siginfo_t __user *uinfo) if (copy_siginfo_from_user32(&info, uinfo)) return -EFAULT; set_fs (KERNEL_DS); - ret = sys_rt_sigqueueinfo(pid, sig, (siginfo_t __user *) &info); + ret = sys_rt_sigqueueinfo(pid, sig, (siginfo_t __force __user *) &info); set_fs (old_fs); return ret; } @@ -682,7 +644,7 @@ asmlinkage long sys32_sendfile(int out_fd, int in_fd, compat_off_t __user *offse set_fs(KERNEL_DS); ret = sys_sendfile(out_fd, in_fd, - offset ? (off_t __user *) &of : NULL, count); + offset ? (off_t __force __user *) &of : NULL, count); set_fs(old_fs); if (offset && put_user(of, offset)) @@ -703,7 +665,8 @@ asmlinkage long sys32_sendfile64(int out_fd, int in_fd, set_fs(KERNEL_DS); ret = sys_sendfile64(out_fd, in_fd, - offset ? (loff_t __user *) &lof : NULL, count); + offset ? (loff_t __force __user *) &lof : NULL, + count); set_fs(old_fs); if (offset && put_user(lof, offset)) diff --git a/arch/s390/kernel/compat_linux.h b/arch/s390/kernel/compat_linux.h index 1a18e29668e..e89f8c0c42a 100644 --- a/arch/s390/kernel/compat_linux.h +++ b/arch/s390/kernel/compat_linux.h @@ -115,37 +115,6 @@ typedef struct __u32 addr; } _psw_t32 __attribute__ ((aligned(8))); -#define PSW32_MASK_PER 0x40000000UL -#define PSW32_MASK_DAT 0x04000000UL -#define PSW32_MASK_IO 0x02000000UL -#define PSW32_MASK_EXT 0x01000000UL -#define PSW32_MASK_KEY 0x00F00000UL -#define PSW32_MASK_MCHECK 0x00040000UL -#define PSW32_MASK_WAIT 0x00020000UL -#define PSW32_MASK_PSTATE 0x00010000UL -#define PSW32_MASK_ASC 0x0000C000UL -#define PSW32_MASK_CC 0x00003000UL -#define PSW32_MASK_PM 0x00000f00UL - -#define PSW32_ADDR_AMODE31 0x80000000UL -#define PSW32_ADDR_INSN 0x7FFFFFFFUL - -#define PSW32_BASE_BITS 0x00080000UL - -#define PSW32_ASC_PRIMARY 0x00000000UL -#define PSW32_ASC_ACCREG 0x00004000UL -#define PSW32_ASC_SECONDARY 0x00008000UL -#define PSW32_ASC_HOME 0x0000C000UL - -#define PSW32_USER_BITS (PSW32_BASE_BITS | PSW32_MASK_DAT | PSW32_ASC_HOME | \ - PSW32_MASK_IO | PSW32_MASK_EXT | PSW32_MASK_MCHECK | \ - PSW32_MASK_PSTATE) - -#define PSW32_MASK_MERGE(CURRENT,NEW) \ - (((CURRENT) & ~(PSW32_MASK_CC|PSW32_MASK_PM)) | \ - ((NEW) & (PSW32_MASK_CC|PSW32_MASK_PM))) - - typedef struct { _psw_t32 psw; diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c index 861888ab8c1..887a9881d0d 100644 --- a/arch/s390/kernel/compat_signal.c +++ b/arch/s390/kernel/compat_signal.c @@ -275,8 +275,8 @@ sys32_sigaltstack(const stack_t32 __user *uss, stack_t32 __user *uoss, } set_fs (KERNEL_DS); - ret = do_sigaltstack((stack_t __user *) (uss ? &kss : NULL), - (stack_t __user *) (uoss ? &koss : NULL), + ret = do_sigaltstack((stack_t __force __user *) (uss ? &kss : NULL), + (stack_t __force __user *) (uoss ? &koss : NULL), regs->gprs[15]); set_fs (old_fs); @@ -298,7 +298,7 @@ static int save_sigregs32(struct pt_regs *regs, _sigregs32 __user *sregs) _s390_regs_common32 regs32; int err, i; - regs32.psw.mask = PSW32_MASK_MERGE(PSW32_USER_BITS, + regs32.psw.mask = PSW32_MASK_MERGE(psw32_user_bits, (__u32)(regs->psw.mask >> 32)); regs32.psw.addr = PSW32_ADDR_AMODE31 | (__u32) regs->psw.addr; for (i = 0; i < NUM_GPRS; i++) @@ -401,7 +401,7 @@ asmlinkage long sys32_rt_sigreturn(struct pt_regs *regs) goto badframe; set_fs (KERNEL_DS); - do_sigaltstack((stack_t __user *)&st, NULL, regs->gprs[15]); + do_sigaltstack((stack_t __force __user *)&st, NULL, regs->gprs[15]); set_fs (old_fs); return regs->gprs[2]; diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S index 71e54ef0931..97901296894 100644 --- a/arch/s390/kernel/compat_wrapper.S +++ b/arch/s390/kernel/compat_wrapper.S @@ -517,10 +517,10 @@ sys32_swapoff_wrapper: llgtr %r2,%r2 # const char * jg sys_swapoff # branch to system call - .globl sys32_sysinfo_wrapper -sys32_sysinfo_wrapper: + .globl compat_sys_sysinfo_wrapper +compat_sys_sysinfo_wrapper: llgtr %r2,%r2 # struct sysinfo_emu31 * - jg sys32_sysinfo # branch to system call + jg compat_sys_sysinfo # branch to system call .globl sys32_ipc_wrapper sys32_ipc_wrapper: diff --git a/arch/s390/kernel/cpcmd.c b/arch/s390/kernel/cpcmd.c index a5972f1541f..6c89f30c8e3 100644 --- a/arch/s390/kernel/cpcmd.c +++ b/arch/s390/kernel/cpcmd.c @@ -16,6 +16,7 @@ #include <asm/ebcdic.h> #include <asm/cpcmd.h> #include <asm/system.h> +#include <asm/io.h> static DEFINE_SPINLOCK(cpcmd_lock); static char cpcmd_buf[241]; @@ -88,13 +89,8 @@ int cpcmd(const char *cmd, char *response, int rlen, int *response_code) int len; unsigned long flags; - if ((rlen == 0) || (response == NULL) - || !((unsigned long)response >> 31)) { - spin_lock_irqsave(&cpcmd_lock, flags); - len = __cpcmd(cmd, response, rlen, response_code); - spin_unlock_irqrestore(&cpcmd_lock, flags); - } - else { + if ((virt_to_phys(response) != (unsigned long) response) || + (((unsigned long)response + rlen) >> 31)) { lowbuf = kmalloc(rlen, GFP_KERNEL | GFP_DMA); if (!lowbuf) { printk(KERN_WARNING @@ -106,6 +102,10 @@ int cpcmd(const char *cmd, char *response, int rlen, int *response_code) spin_unlock_irqrestore(&cpcmd_lock, flags); memcpy(response, lowbuf, rlen); kfree(lowbuf); + } else { + spin_lock_irqsave(&cpcmd_lock, flags); + len = __cpcmd(cmd, response, rlen, response_code); + spin_unlock_irqrestore(&cpcmd_lock, flags); } return len; } diff --git a/arch/s390/kernel/crash.c b/arch/s390/kernel/crash.c index 926cceeae0f..8cc7c9fa64f 100644 --- a/arch/s390/kernel/crash.c +++ b/arch/s390/kernel/crash.c @@ -9,6 +9,7 @@ #include <linux/threads.h> #include <linux/kexec.h> +#include <linux/reboot.h> void machine_crash_shutdown(struct pt_regs *regs) { diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c index bb57bc0e3fc..51653d82d7d 100644 --- a/arch/s390/kernel/debug.c +++ b/arch/s390/kernel/debug.c @@ -120,7 +120,7 @@ struct debug_view debug_hex_ascii_view = { NULL }; -struct debug_view debug_level_view = { +static struct debug_view debug_level_view = { "level", &debug_prolog_level_fn, NULL, @@ -129,7 +129,7 @@ struct debug_view debug_level_view = { NULL }; -struct debug_view debug_pages_view = { +static struct debug_view debug_pages_view = { "pages", &debug_prolog_pages_fn, NULL, @@ -138,7 +138,7 @@ struct debug_view debug_pages_view = { NULL }; -struct debug_view debug_flush_view = { +static struct debug_view debug_flush_view = { "flush", NULL, NULL, @@ -156,18 +156,18 @@ struct debug_view debug_sprintf_view = { NULL }; - +/* used by dump analysis tools to determine version of debug feature */ unsigned int debug_feature_version = __DEBUG_FEATURE_VERSION; /* static globals */ static debug_info_t *debug_area_first = NULL; static debug_info_t *debug_area_last = NULL; -DECLARE_MUTEX(debug_lock); +static DECLARE_MUTEX(debug_lock); static int initialized; -static struct file_operations debug_file_ops = { +static const struct file_operations debug_file_ops = { .owner = THIS_MODULE, .read = debug_output, .write = debug_input, @@ -905,7 +905,7 @@ static struct ctl_table s390dbf_dir_table[] = { { .ctl_name = 0 } }; -struct ctl_table_header *s390dbf_sysctl_header; +static struct ctl_table_header *s390dbf_sysctl_header; void debug_stop_all(void) @@ -1300,8 +1300,7 @@ out: * flushes debug areas */ -void -debug_flush(debug_info_t* id, int area) +static void debug_flush(debug_info_t* id, int area) { unsigned long flags; int i,j; @@ -1511,8 +1510,7 @@ out: /* * clean up module */ -void -__exit debug_exit(void) +static void __exit debug_exit(void) { debugfs_remove(debug_debugfs_root_entry); unregister_sysctl_table(s390dbf_sysctl_header); diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c new file mode 100644 index 00000000000..e518dd53eff --- /dev/null +++ b/arch/s390/kernel/early.c @@ -0,0 +1,306 @@ +/* + * arch/s390/kernel/early.c + * + * Copyright IBM Corp. 2007 + * Author(s): Hongjie Yang <hongjie@us.ibm.com>, + * Heiko Carstens <heiko.carstens@de.ibm.com> + */ + +#include <linux/init.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/ctype.h> +#include <linux/lockdep.h> +#include <linux/module.h> +#include <linux/pfn.h> +#include <linux/uaccess.h> +#include <asm/lowcore.h> +#include <asm/processor.h> +#include <asm/sections.h> +#include <asm/setup.h> +#include <asm/cpcmd.h> +#include <asm/sclp.h> + +/* + * Create a Kernel NSS if the SAVESYS= parameter is defined + */ +#define DEFSYS_CMD_SIZE 96 +#define SAVESYS_CMD_SIZE 32 + +char kernel_nss_name[NSS_NAME_SIZE + 1]; + +#ifdef CONFIG_SHARED_KERNEL +static noinline __init void create_kernel_nss(void) +{ + unsigned int i, stext_pfn, eshared_pfn, end_pfn, min_size; +#ifdef CONFIG_BLK_DEV_INITRD + unsigned int sinitrd_pfn, einitrd_pfn; +#endif + int response; + char *savesys_ptr; + char upper_command_line[COMMAND_LINE_SIZE]; + char defsys_cmd[DEFSYS_CMD_SIZE]; + char savesys_cmd[SAVESYS_CMD_SIZE]; + + /* Do nothing if we are not running under VM */ + if (!MACHINE_IS_VM) + return; + + /* Convert COMMAND_LINE to upper case */ + for (i = 0; i < strlen(COMMAND_LINE); i++) + upper_command_line[i] = toupper(COMMAND_LINE[i]); + + savesys_ptr = strstr(upper_command_line, "SAVESYS="); + + if (!savesys_ptr) + return; + + savesys_ptr += 8; /* Point to the beginning of the NSS name */ + for (i = 0; i < NSS_NAME_SIZE; i++) { + if (savesys_ptr[i] == ' ' || savesys_ptr[i] == '\0') + break; + kernel_nss_name[i] = savesys_ptr[i]; + } + + stext_pfn = PFN_DOWN(__pa(&_stext)); + eshared_pfn = PFN_DOWN(__pa(&_eshared)); + end_pfn = PFN_UP(__pa(&_end)); + min_size = end_pfn << 2; + + sprintf(defsys_cmd, "DEFSYS %s 00000-%.5X EW %.5X-%.5X SR %.5X-%.5X", + kernel_nss_name, stext_pfn - 1, stext_pfn, eshared_pfn - 1, + eshared_pfn, end_pfn); + +#ifdef CONFIG_BLK_DEV_INITRD + if (INITRD_START && INITRD_SIZE) { + sinitrd_pfn = PFN_DOWN(__pa(INITRD_START)); + einitrd_pfn = PFN_UP(__pa(INITRD_START + INITRD_SIZE)); + min_size = einitrd_pfn << 2; + sprintf(defsys_cmd, "%s EW %.5X-%.5X", defsys_cmd, + sinitrd_pfn, einitrd_pfn); + } +#endif + + sprintf(defsys_cmd, "%s EW MINSIZE=%.7iK", defsys_cmd, min_size); + sprintf(savesys_cmd, "SAVESYS %s \n IPL %s", + kernel_nss_name, kernel_nss_name); + + __cpcmd(defsys_cmd, NULL, 0, &response); + + if (response != 0) + return; + + __cpcmd(savesys_cmd, NULL, 0, &response); + + if (response != strlen(savesys_cmd)) + return; + + ipl_flags = IPL_NSS_VALID; +} + +#else /* CONFIG_SHARED_KERNEL */ + +static inline void create_kernel_nss(void) { } + +#endif /* CONFIG_SHARED_KERNEL */ + +/* + * Clear bss memory + */ +static noinline __init void clear_bss_section(void) +{ + memset(__bss_start, 0, _end - __bss_start); +} + +/* + * Initialize storage key for kernel pages + */ +static noinline __init void init_kernel_storage_key(void) +{ + unsigned long end_pfn, init_pfn; + + end_pfn = PFN_UP(__pa(&_end)); + + for (init_pfn = 0 ; init_pfn < end_pfn; init_pfn++) + page_set_storage_key(init_pfn << PAGE_SHIFT, PAGE_DEFAULT_KEY); +} + +static noinline __init void detect_machine_type(void) +{ + struct cpuinfo_S390 *cpuinfo = &S390_lowcore.cpu_data; + + asm volatile("stidp %0" : "=m" (S390_lowcore.cpu_data.cpu_id)); + + /* Running under z/VM ? */ + if (cpuinfo->cpu_id.version == 0xff) + machine_flags |= 1; + + /* Running on a P/390 ? */ + if (cpuinfo->cpu_id.machine == 0x7490) + machine_flags |= 4; +} + +static noinline __init int memory_fast_detect(void) +{ + + unsigned long val0 = 0; + unsigned long val1 = 0xc; + int ret = -ENOSYS; + + if (ipl_flags & IPL_NSS_VALID) + return -ENOSYS; + + asm volatile( + " diag %1,%2,0x260\n" + "0: lhi %0,0\n" + "1:\n" + EX_TABLE(0b,1b) + : "+d" (ret), "+d" (val0), "+d" (val1) : : "cc"); + + if (ret || val0 != val1) + return -ENOSYS; + + memory_chunk[0].size = val0; + return 0; +} + +#define ADDR2G (1UL << 31) + +static noinline __init unsigned long sclp_memory_detect(void) +{ + struct sclp_readinfo_sccb *sccb; + unsigned long long memsize; + + sccb = &s390_readinfo_sccb; + + if (sccb->header.response_code != 0x10) + return 0; + + if (sccb->rnsize) + memsize = sccb->rnsize << 20; + else + memsize = sccb->rnsize2 << 20; + if (sccb->rnmax) + memsize *= sccb->rnmax; + else + memsize *= sccb->rnmax2; +#ifndef CONFIG_64BIT + /* + * Can't deal with more than 2G in 31 bit addressing mode, so + * limit the value in order to avoid strange side effects. + */ + if (memsize > ADDR2G) + memsize = ADDR2G; +#endif + return (unsigned long) memsize; +} + +static inline __init unsigned long __tprot(unsigned long addr) +{ + int cc = -1; + + asm volatile( + " tprot 0(%1),0\n" + "0: ipm %0\n" + " srl %0,28\n" + "1:\n" + EX_TABLE(0b,1b) + : "+d" (cc) : "a" (addr) : "cc"); + return (unsigned long)cc; +} + +/* Checking memory in 128KB increments. */ +#define CHUNK_INCR (1UL << 17) + +static noinline __init void find_memory_chunks(unsigned long memsize) +{ + unsigned long addr = 0, old_addr = 0; + unsigned long old_cc = CHUNK_READ_WRITE; + unsigned long cc; + int chunk = 0; + + while (chunk < MEMORY_CHUNKS) { + cc = __tprot(addr); + while (cc == old_cc) { + addr += CHUNK_INCR; + cc = __tprot(addr); +#ifndef CONFIG_64BIT + if (addr == ADDR2G) + break; +#endif + } + + if (old_addr != addr && + (old_cc == CHUNK_READ_WRITE || old_cc == CHUNK_READ_ONLY)) { + memory_chunk[chunk].addr = old_addr; + memory_chunk[chunk].size = addr - old_addr; + memory_chunk[chunk].type = old_cc; + chunk++; + } + + old_addr = addr; + old_cc = cc; + +#ifndef CONFIG_64BIT + if (addr == ADDR2G) + break; +#endif + /* + * Finish memory detection at the first hole, unless + * - we reached the hsa -> skip it. + * - we know there must be more. + */ + if (cc == -1UL && !memsize && old_addr != ADDR2G) + break; + if (memsize && addr >= memsize) + break; + } +} + +static __init void early_pgm_check_handler(void) +{ + unsigned long addr; + const struct exception_table_entry *fixup; + + addr = S390_lowcore.program_old_psw.addr; + fixup = search_exception_tables(addr & PSW_ADDR_INSN); + if (!fixup) + disabled_wait(0); + S390_lowcore.program_old_psw.addr = fixup->fixup | PSW_ADDR_AMODE; +} + +static noinline __init void setup_lowcore_early(void) +{ + psw_t psw; + + psw.mask = PSW_BASE_BITS | PSW_DEFAULT_KEY; + psw.addr = PSW_ADDR_AMODE | (unsigned long) s390_base_ext_handler; + S390_lowcore.external_new_psw = psw; + psw.addr = PSW_ADDR_AMODE | (unsigned long) s390_base_pgm_handler; + S390_lowcore.program_new_psw = psw; + s390_base_pgm_handler_fn = early_pgm_check_handler; +} + +/* + * Save ipl parameters, clear bss memory, initialize storage keys + * and create a kernel NSS at startup if the SAVESYS= parm is defined + */ +void __init startup_init(void) +{ + unsigned long memsize; + + ipl_save_parameters(); + clear_bss_section(); + init_kernel_storage_key(); + lockdep_init(); + lockdep_off(); + detect_machine_type(); + create_kernel_nss(); + sort_main_extable(); + setup_lowcore_early(); + sclp_readinfo_early(); + memsize = sclp_memory_detect(); + if (memory_fast_detect() < 0) + find_memory_chunks(memsize); + lockdep_on(); +} diff --git a/arch/s390/kernel/ebcdic.c b/arch/s390/kernel/ebcdic.c index bb0f973137f..cc0dc609d73 100644 --- a/arch/s390/kernel/ebcdic.c +++ b/arch/s390/kernel/ebcdic.c @@ -11,6 +11,7 @@ #include <linux/module.h> #include <asm/types.h> +#include <asm/ebcdic.h> /* * ASCII (IBM PC 437) -> EBCDIC 037 diff --git a/arch/s390/kernel/head31.S b/arch/s390/kernel/head31.S index eca507050e4..453fd3b4ede 100644 --- a/arch/s390/kernel/head31.S +++ b/arch/s390/kernel/head31.S @@ -51,176 +51,15 @@ startup_continue: st %r15,__LC_KERNEL_STACK # set end of kernel stack ahi %r15,-96 xc __SF_BACKCHAIN(4,%r15),__SF_BACKCHAIN(%r15) # clear backchain - - l %r14,.Lipl_save_parameters-.LPG1(%r13) - basr %r14,%r14 # -# clear bss memory +# Save ipl parameters, clear bss memory, initialize storage key for kernel pages, +# and create a kernel NSS if the SAVESYS= parm is defined # - l %r2,.Lbss_bgn-.LPG1(%r13) # start of bss - l %r3,.Lbss_end-.LPG1(%r13) # end of bss - sr %r3,%r2 # length of bss - sr %r4,%r4 - sr %r5,%r5 # set src,length and pad to zero - sr %r0,%r0 - mvcle %r2,%r4,0 # clear mem - jo .-4 # branch back, if not finish - - l %r2,.Lrcp-.LPG1(%r13) # Read SCP forced command word -.Lservicecall: - stosm .Lpmask-.LPG1(%r13),0x01 # authorize ext interrupts - - stctl %r0, %r0,.Lcr-.LPG1(%r13) # get cr0 - la %r1,0x200 # set bit 22 - o %r1,.Lcr-.LPG1(%r13) # or old cr0 with r1 - st %r1,.Lcr-.LPG1(%r13) - lctl %r0, %r0,.Lcr-.LPG1(%r13) # load modified cr0 - - mvc __LC_EXT_NEW_PSW(8),.Lpcext-.LPG1(%r13) # set postcall psw - la %r1, .Lsclph-.LPG1(%r13) - a %r1,__LC_EXT_NEW_PSW+4 # set handler - st %r1,__LC_EXT_NEW_PSW+4 - - l %r4,.Lsccbaddr-.LPG1(%r13) # %r4 is our index for sccb stuff - lr %r1,%r4 # our sccb - .insn rre,0xb2200000,%r2,%r1 # service call - ipm %r1 - srl %r1,28 # get cc code - xr %r3, %r3 - chi %r1,3 - be .Lfchunk-.LPG1(%r13) # leave - chi %r1,2 - be .Lservicecall-.LPG1(%r13) - lpsw .Lwaitsclp-.LPG1(%r13) -.Lsclph: - lh %r1,.Lsccbr-.Lsccb(%r4) - chi %r1,0x10 # 0x0010 is the sucess code - je .Lprocsccb # let's process the sccb - chi %r1,0x1f0 - bne .Lfchunk-.LPG1(%r13) # unhandled error code - c %r2, .Lrcp-.LPG1(%r13) # Did we try Read SCP forced - bne .Lfchunk-.LPG1(%r13) # if no, give up - l %r2, .Lrcp2-.LPG1(%r13) # try with Read SCP - b .Lservicecall-.LPG1(%r13) -.Lprocsccb: - lhi %r1,0 - icm %r1,3,.Lscpincr1-.Lsccb(%r4) # use this one if != 0 - jnz .Lscnd - lhi %r1,0x800 # otherwise report 2GB -.Lscnd: - lhi %r3,0x800 # limit reported memory size to 2GB - cr %r1,%r3 - jl .Lno2gb - lr %r1,%r3 -.Lno2gb: - xr %r3,%r3 # same logic - ic %r3,.Lscpa1-.Lsccb(%r4) - chi %r3,0x00 - jne .Lcompmem - l %r3,.Lscpa2-.Lsccb(%r4) -.Lcompmem: - mr %r2,%r1 # mem in MB on 128-bit - l %r1,.Lonemb-.LPG1(%r13) - mr %r2,%r1 # mem size in bytes in %r3 - b .Lfchunk-.LPG1(%r13) - - .align 4 -.Lipl_save_parameters: - .long ipl_save_parameters -.Linittu: - .long init_thread_union -.Lpmask: - .byte 0 - .align 8 -.Lpcext:.long 0x00080000,0x80000000 -.Lcr: - .long 0x00 # place holder for cr0 - .align 8 -.Lwaitsclp: - .long 0x010a0000,0x80000000 + .Lsclph -.Lrcp: - .int 0x00120001 # Read SCP forced code -.Lrcp2: - .int 0x00020001 # Read SCP code -.Lonemb: - .int 0x100000 -.Lfchunk: + l %r14,.Lstartup_init-.LPG1(%r13) + basr %r14,%r14 -# -# find memory chunks. -# - lr %r9,%r3 # end of mem - mvc __LC_PGM_NEW_PSW(8),.Lpcmem-.LPG1(%r13) - la %r1,1 # test in increments of 128KB - sll %r1,17 - l %r3,.Lmchunk-.LPG1(%r13) # get pointer to memory_chunk array - slr %r4,%r4 # set start of chunk to zero - slr %r5,%r5 # set end of chunk to zero - slr %r6,%r6 # set access code to zero - la %r10,MEMORY_CHUNKS # number of chunks -.Lloop: - tprot 0(%r5),0 # test protection of first byte - ipm %r7 - srl %r7,28 - clr %r6,%r7 # compare cc with last access code - be .Lsame-.LPG1(%r13) - lhi %r8,0 # no program checks - b .Lsavchk-.LPG1(%r13) -.Lsame: - ar %r5,%r1 # add 128KB to end of chunk - bno .Lloop-.LPG1(%r13) # r1 < 0x80000000 -> loop -.Lchkmem: # > 2GB or tprot got a program check - lhi %r8,1 # set program check flag -.Lsavchk: - clr %r4,%r5 # chunk size > 0? - be .Lchkloop-.LPG1(%r13) - st %r4,0(%r3) # store start address of chunk - lr %r0,%r5 - slr %r0,%r4 - st %r0,4(%r3) # store size of chunk - st %r6,8(%r3) # store type of chunk - la %r3,12(%r3) - ahi %r10,-1 # update chunk number -.Lchkloop: - lr %r6,%r7 # set access code to last cc - # we got an exception or we're starting a new - # chunk , we must check if we should - # still try to find valid memory (if we detected - # the amount of available storage), and if we - # have chunks left - xr %r0,%r0 - clr %r0,%r9 # did we detect memory? - je .Ldonemem # if not, leave - chi %r10,0 # do we have chunks left? - je .Ldonemem - chi %r8,1 # program check ? - je .Lpgmchk - lr %r4,%r5 # potential new chunk - alr %r5,%r1 # add 128KB to end of chunk - j .Llpcnt -.Lpgmchk: - alr %r5,%r1 # add 128KB to end of chunk - lr %r4,%r5 # potential new chunk -.Llpcnt: - clr %r5,%r9 # should we go on? - jl .Lloop -.Ldonemem: l %r12,.Lmflags-.LPG1(%r13) # get address of machine_flags # -# find out if we are running under VM -# - stidp __LC_CPUID # store cpuid - tm __LC_CPUID,0xff # running under VM ? - bno .Lnovm-.LPG1(%r13) - oi 3(%r12),1 # set VM flag -.Lnovm: - lh %r0,__LC_CPUID+4 # get cpu version - chi %r0,0x7490 # running on a P/390 ? - bne .Lnop390-.LPG1(%r13) - oi 3(%r12),4 # set P/390 flag -.Lnop390: - -# # find out if we have an IEEE fpu # mvc __LC_PGM_NEW_PSW(8),.Lpcfpu-.LPG1(%r13) @@ -295,7 +134,6 @@ startup_continue: .long 0 # cr15: linkage stack operations .Lduct: .long 0,0,0,0,0,0,0,0 .long 0,0,0,0,0,0,0,0 -.Lpcmem:.long 0x00080000,0x80000000 + .Lchkmem .Lpcfpu:.long 0x00080000,0x80000000 + .Lchkfpu .Lpccsp:.long 0x00080000,0x80000000 + .Lchkcsp .Lpcmvpg:.long 0x00080000,0x80000000 + .Lchkmvpg @@ -306,7 +144,9 @@ startup_continue: .Lbss_bgn: .long __bss_start .Lbss_end: .long _end .Lparmaddr: .long PARMAREA -.Lsccbaddr: .long .Lsccb +.Linittu: .long init_thread_union +.Lstartup_init: + .long startup_init .globl ipl_schib ipl_schib: @@ -322,26 +162,6 @@ ipl_devno: .word 0 .org 0x12000 -.globl s390_readinfo_sccb -s390_readinfo_sccb: -.Lsccb: - .hword 0x1000 # length, one page - .byte 0x00,0x00,0x00 - .byte 0x80 # variable response bit set -.Lsccbr: - .hword 0x00 # response code -.Lscpincr1: - .hword 0x00 -.Lscpa1: - .byte 0x00 - .fill 89,1,0 -.Lscpa2: - .int 0x00 -.Lscpincr2: - .quad 0x00 - .fill 3984,1,0 - .org 0x13000 - #ifdef CONFIG_SHARED_KERNEL .org 0x100000 #endif diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S index 6ba3f4512dd..b8fec4e5c5d 100644 --- a/arch/s390/kernel/head64.S +++ b/arch/s390/kernel/head64.S @@ -58,183 +58,15 @@ startup_continue: stg %r15,__LC_KERNEL_STACK # set end of kernel stack aghi %r15,-160 xc __SF_BACKCHAIN(4,%r15),__SF_BACKCHAIN(%r15) # clear backchain - - brasl %r14,ipl_save_parameters # -# clear bss memory +# Save ipl parameters, clear bss memory, initialize storage key for kernel pages, +# and create a kernel NSS if the SAVESYS= parm is defined # - larl %r2,__bss_start # start of bss segment - larl %r3,_end # end of bss segment - sgr %r3,%r2 # length of bss - sgr %r4,%r4 # - sgr %r5,%r5 # set src,length and pad to zero - mvcle %r2,%r4,0 # clear mem - jo .-4 # branch back, if not finish + brasl %r14,startup_init # set program check new psw mask mvc __LC_PGM_NEW_PSW(8),.Lpcmsk-.LPG1(%r13) - larl %r1,.Lslowmemdetect # set program check address - stg %r1,__LC_PGM_NEW_PSW+8 - lghi %r1,0xc - diag %r0,%r1,0x260 # get memory size of virtual machine - cgr %r0,%r1 # different? -> old detection routine - jne .Lslowmemdetect - aghi %r1,1 # size is one more than end - larl %r2,memory_chunk - stg %r1,8(%r2) # store size of chunk - j .Ldonemem - -.Lslowmemdetect: - l %r2,.Lrcp-.LPG1(%r13) # Read SCP forced command word -.Lservicecall: - stosm .Lpmask-.LPG1(%r13),0x01 # authorize ext interrupts - - stctg %r0,%r0,.Lcr-.LPG1(%r13) # get cr0 - la %r1,0x200 # set bit 22 - og %r1,.Lcr-.LPG1(%r13) # or old cr0 with r1 - stg %r1,.Lcr-.LPG1(%r13) - lctlg %r0,%r0,.Lcr-.LPG1(%r13) # load modified cr0 - - mvc __LC_EXT_NEW_PSW(8),.Lpcmsk-.LPG1(%r13) # set postcall psw - larl %r1,.Lsclph - stg %r1,__LC_EXT_NEW_PSW+8 # set handler - - larl %r4,.Lsccb # %r4 is our index for sccb stuff - lgr %r1,%r4 # our sccb - .insn rre,0xb2200000,%r2,%r1 # service call - ipm %r1 - srl %r1,28 # get cc code - xr %r3,%r3 - chi %r1,3 - be .Lfchunk-.LPG1(%r13) # leave - chi %r1,2 - be .Lservicecall-.LPG1(%r13) - lpswe .Lwaitsclp-.LPG1(%r13) -.Lsclph: - lh %r1,.Lsccbr-.Lsccb(%r4) - chi %r1,0x10 # 0x0010 is the sucess code - je .Lprocsccb # let's process the sccb - chi %r1,0x1f0 - bne .Lfchunk-.LPG1(%r13) # unhandled error code - c %r2,.Lrcp-.LPG1(%r13) # Did we try Read SCP forced - bne .Lfchunk-.LPG1(%r13) # if no, give up - l %r2,.Lrcp2-.LPG1(%r13) # try with Read SCP - b .Lservicecall-.LPG1(%r13) -.Lprocsccb: - lghi %r1,0 - icm %r1,3,.Lscpincr1-.Lsccb(%r4) # use this one if != 0 - jnz .Lscnd - lg %r1,.Lscpincr2-.Lsccb(%r4) # otherwise use this one -.Lscnd: - xr %r3,%r3 # same logic - ic %r3,.Lscpa1-.Lsccb(%r4) - chi %r3,0x00 - jne .Lcompmem - l %r3,.Lscpa2-.Lsccb(%r4) -.Lcompmem: - mlgr %r2,%r1 # mem in MB on 128-bit - l %r1,.Lonemb-.LPG1(%r13) - mlgr %r2,%r1 # mem size in bytes in %r3 - b .Lfchunk-.LPG1(%r13) - - .align 4 -.Lpmask: - .byte 0 - .align 8 -.Lcr: - .quad 0x00 # place holder for cr0 -.Lwaitsclp: - .quad 0x0102000180000000,.Lsclph -.Lrcp: - .int 0x00120001 # Read SCP forced code -.Lrcp2: - .int 0x00020001 # Read SCP code -.Lonemb: - .int 0x100000 - -.Lfchunk: - -# -# find memory chunks. -# - lgr %r9,%r3 # end of mem - larl %r1,.Lchkmem # set program check address - stg %r1,__LC_PGM_NEW_PSW+8 - la %r1,1 # test in increments of 128KB - sllg %r1,%r1,17 - larl %r3,memory_chunk - slgr %r4,%r4 # set start of chunk to zero - slgr %r5,%r5 # set end of chunk to zero - slr %r6,%r6 # set access code to zero - la %r10,MEMORY_CHUNKS # number of chunks -.Lloop: - tprot 0(%r5),0 # test protection of first byte - ipm %r7 - srl %r7,28 - clr %r6,%r7 # compare cc with last access code - je .Lsame - lghi %r8,0 # no program checks - j .Lsavchk -.Lsame: - algr %r5,%r1 # add 128KB to end of chunk - # no need to check here, - brc 12,.Lloop # this is the same chunk -.Lchkmem: # > 16EB or tprot got a program check - lghi %r8,1 # set program check flag -.Lsavchk: - clgr %r4,%r5 # chunk size > 0? - je .Lchkloop - stg %r4,0(%r3) # store start address of chunk - lgr %r0,%r5 - slgr %r0,%r4 - stg %r0,8(%r3) # store size of chunk - st %r6,20(%r3) # store type of chunk - la %r3,24(%r3) - ahi %r10,-1 # update chunk number -.Lchkloop: - lr %r6,%r7 # set access code to last cc - # we got an exception or we're starting a new - # chunk , we must check if we should - # still try to find valid memory (if we detected - # the amount of available storage), and if we - # have chunks left - lghi %r4,1 - sllg %r4,%r4,31 - clgr %r5,%r4 - je .Lhsaskip - xr %r0, %r0 - clgr %r0, %r9 # did we detect memory? - je .Ldonemem # if not, leave - chi %r10, 0 # do we have chunks left? - je .Ldonemem -.Lhsaskip: - chi %r8,1 # program check ? - je .Lpgmchk - lgr %r4,%r5 # potential new chunk - algr %r5,%r1 # add 128KB to end of chunk - j .Llpcnt -.Lpgmchk: - algr %r5,%r1 # add 128KB to end of chunk - lgr %r4,%r5 # potential new chunk -.Llpcnt: - clgr %r5,%r9 # should we go on? - jl .Lloop -.Ldonemem: - larl %r12,machine_flags # -# find out if we are running under VM -# - stidp __LC_CPUID # store cpuid - tm __LC_CPUID,0xff # running under VM ? - bno 0f-.LPG1(%r13) - oi 7(%r12),1 # set VM flag -0: lh %r0,__LC_CPUID+4 # get cpu version - chi %r0,0x7490 # running on a P/390 ? - bne 1f-.LPG1(%r13) - oi 7(%r12),4 # set P/390 flag -1: - -# # find out if we have the MVPG instruction # la %r1,0f-.LPG1(%r13) # set program check address @@ -336,25 +168,6 @@ ipl_devno: .word 0 .org 0x12000 -.globl s390_readinfo_sccb -s390_readinfo_sccb: -.Lsccb: - .hword 0x1000 # length, one page - .byte 0x00,0x00,0x00 - .byte 0x80 # variable response bit set -.Lsccbr: - .hword 0x00 # response code -.Lscpincr1: - .hword 0x00 -.Lscpa1: - .byte 0x00 - .fill 89,1,0 -.Lscpa2: - .int 0x00 -.Lscpincr2: - .quad 0x00 - .fill 3984,1,0 - .org 0x13000 #ifdef CONFIG_SHARED_KERNEL .org 0x100000 diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index 9e9972e8a52..05225953065 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -20,26 +20,27 @@ #include <asm/cio.h> #include <asm/ebcdic.h> #include <asm/reset.h> +#include <asm/sclp.h> #define IPL_PARM_BLOCK_VERSION 0 -#define LOADPARM_LEN 8 -extern char s390_readinfo_sccb[]; -#define SCCB_VALID (*((__u16*)&s390_readinfo_sccb[6]) == 0x0010) -#define SCCB_LOADPARM (&s390_readinfo_sccb[24]) -#define SCCB_FLAG (s390_readinfo_sccb[91]) +#define SCCB_VALID (s390_readinfo_sccb.header.response_code == 0x10) +#define SCCB_LOADPARM (&s390_readinfo_sccb.loadparm) +#define SCCB_FLAG (s390_readinfo_sccb.flags) enum ipl_type { IPL_TYPE_NONE = 1, IPL_TYPE_UNKNOWN = 2, IPL_TYPE_CCW = 4, IPL_TYPE_FCP = 8, + IPL_TYPE_NSS = 16, }; #define IPL_NONE_STR "none" #define IPL_UNKNOWN_STR "unknown" #define IPL_CCW_STR "ccw" #define IPL_FCP_STR "fcp" +#define IPL_NSS_STR "nss" static char *ipl_type_str(enum ipl_type type) { @@ -50,6 +51,8 @@ static char *ipl_type_str(enum ipl_type type) return IPL_CCW_STR; case IPL_TYPE_FCP: return IPL_FCP_STR; + case IPL_TYPE_NSS: + return IPL_NSS_STR; case IPL_TYPE_UNKNOWN: default: return IPL_UNKNOWN_STR; @@ -64,6 +67,7 @@ enum ipl_method { IPL_METHOD_FCP_RO_DIAG, IPL_METHOD_FCP_RW_DIAG, IPL_METHOD_FCP_RO_VM, + IPL_METHOD_NSS, }; enum shutdown_action { @@ -114,11 +118,14 @@ enum diag308_rc { static int diag308_set_works = 0; static int reipl_capabilities = IPL_TYPE_UNKNOWN; + static enum ipl_type reipl_type = IPL_TYPE_UNKNOWN; static enum ipl_method reipl_method = IPL_METHOD_NONE; static struct ipl_parameter_block *reipl_block_fcp; static struct ipl_parameter_block *reipl_block_ccw; +static char reipl_nss_name[NSS_NAME_SIZE + 1]; + static int dump_capabilities = IPL_TYPE_NONE; static enum ipl_type dump_type = IPL_TYPE_NONE; static enum ipl_method dump_method = IPL_METHOD_NONE; @@ -173,6 +180,24 @@ static struct subsys_attribute sys_##_prefix##_##_name##_attr = \ sys_##_prefix##_##_name##_show, \ sys_##_prefix##_##_name##_store); +#define DEFINE_IPL_ATTR_STR_RW(_prefix, _name, _fmt_out, _fmt_in, _value)\ +static ssize_t sys_##_prefix##_##_name##_show(struct subsystem *subsys, \ + char *page) \ +{ \ + return sprintf(page, _fmt_out, _value); \ +} \ +static ssize_t sys_##_prefix##_##_name##_store(struct subsystem *subsys,\ + const char *buf, size_t len) \ +{ \ + if (sscanf(buf, _fmt_in, _value) != 1) \ + return -EINVAL; \ + return len; \ +} \ +static struct subsys_attribute sys_##_prefix##_##_name##_attr = \ + __ATTR(_name,(S_IRUGO | S_IWUSR), \ + sys_##_prefix##_##_name##_show, \ + sys_##_prefix##_##_name##_store); + static void make_attrs_ro(struct attribute **attrs) { while (*attrs) { @@ -189,6 +214,8 @@ static enum ipl_type ipl_get_type(void) { struct ipl_parameter_block *ipl = IPL_PARMBLOCK_START; + if (ipl_flags & IPL_NSS_VALID) + return IPL_TYPE_NSS; if (!(ipl_flags & IPL_DEVNO_VALID)) return IPL_TYPE_UNKNOWN; if (!(ipl_flags & IPL_PARMBLOCK_VALID)) @@ -324,6 +351,20 @@ static struct attribute_group ipl_ccw_attr_group = { .attrs = ipl_ccw_attrs, }; +/* NSS ipl device attributes */ + +DEFINE_IPL_ATTR_RO(ipl_nss, name, "%s\n", kernel_nss_name); + +static struct attribute *ipl_nss_attrs[] = { + &sys_ipl_type_attr.attr, + &sys_ipl_nss_name_attr.attr, + NULL, +}; + +static struct attribute_group ipl_nss_attr_group = { + .attrs = ipl_nss_attrs, +}; + /* UNKNOWN ipl device attributes */ static struct attribute *ipl_unknown_attrs[] = { @@ -432,6 +473,21 @@ static struct attribute_group reipl_ccw_attr_group = { .attrs = reipl_ccw_attrs, }; + +/* NSS reipl device attributes */ + +DEFINE_IPL_ATTR_STR_RW(reipl_nss, name, "%s\n", "%s\n", reipl_nss_name); + +static struct attribute *reipl_nss_attrs[] = { + &sys_reipl_nss_name_attr.attr, + NULL, +}; + +static struct attribute_group reipl_nss_attr_group = { + .name = IPL_NSS_STR, + .attrs = reipl_nss_attrs, +}; + /* reipl type */ static int reipl_set_type(enum ipl_type type) @@ -454,6 +510,9 @@ static int reipl_set_type(enum ipl_type type) else reipl_method = IPL_METHOD_FCP_RO_DIAG; break; + case IPL_TYPE_NSS: + reipl_method = IPL_METHOD_NSS; + break; default: reipl_method = IPL_METHOD_NONE; } @@ -475,6 +534,8 @@ static ssize_t reipl_type_store(struct subsystem *subsys, const char *buf, rc = reipl_set_type(IPL_TYPE_CCW); else if (strncmp(buf, IPL_FCP_STR, strlen(IPL_FCP_STR)) == 0) rc = reipl_set_type(IPL_TYPE_FCP); + else if (strncmp(buf, IPL_NSS_STR, strlen(IPL_NSS_STR)) == 0) + rc = reipl_set_type(IPL_TYPE_NSS); return (rc != 0) ? rc : len; } @@ -647,6 +708,10 @@ void do_reipl(void) case IPL_METHOD_FCP_RO_VM: __cpcmd("IPL", NULL, 0, NULL); break; + case IPL_METHOD_NSS: + sprintf(buf, "IPL %s", reipl_nss_name); + __cpcmd(buf, NULL, 0, NULL); + break; case IPL_METHOD_NONE: default: if (MACHINE_IS_VM) @@ -733,6 +798,10 @@ static int __init ipl_init(void) case IPL_TYPE_FCP: rc = ipl_register_fcp_files(); break; + case IPL_TYPE_NSS: + rc = sysfs_create_group(&ipl_subsys.kset.kobj, + &ipl_nss_attr_group); + break; default: rc = sysfs_create_group(&ipl_subsys.kset.kobj, &ipl_unknown_attr_group); @@ -755,6 +824,20 @@ static void __init reipl_probe(void) free_page((unsigned long)buffer); } +static int __init reipl_nss_init(void) +{ + int rc; + + if (!MACHINE_IS_VM) + return 0; + rc = sysfs_create_group(&reipl_subsys.kset.kobj, &reipl_nss_attr_group); + if (rc) + return rc; + strncpy(reipl_nss_name, kernel_nss_name, NSS_NAME_SIZE + 1); + reipl_capabilities |= IPL_TYPE_NSS; + return 0; +} + static int __init reipl_ccw_init(void) { int rc; @@ -837,6 +920,9 @@ static int __init reipl_init(void) rc = reipl_fcp_init(); if (rc) return rc; + rc = reipl_nss_init(); + if (rc) + return rc; rc = reipl_set_type(ipl_get_type()); if (rc) return rc; @@ -993,8 +1079,6 @@ static void do_reset_calls(void) reset->fn(); } -extern void reset_mcck_handler(void); -extern void reset_pgm_handler(void); extern __u32 dump_prefix_page; void s390_reset_system(void) @@ -1016,14 +1100,14 @@ void s390_reset_system(void) __ctl_clear_bit(0,28); /* Set new machine check handler */ - S390_lowcore.mcck_new_psw.mask = PSW_KERNEL_BITS & ~PSW_MASK_MCHECK; + S390_lowcore.mcck_new_psw.mask = psw_kernel_bits & ~PSW_MASK_MCHECK; S390_lowcore.mcck_new_psw.addr = - PSW_ADDR_AMODE | (unsigned long) &reset_mcck_handler; + PSW_ADDR_AMODE | (unsigned long) s390_base_mcck_handler; /* Set new program check handler */ - S390_lowcore.program_new_psw.mask = PSW_KERNEL_BITS & ~PSW_MASK_MCHECK; + S390_lowcore.program_new_psw.mask = psw_kernel_bits & ~PSW_MASK_MCHECK; S390_lowcore.program_new_psw.addr = - PSW_ADDR_AMODE | (unsigned long) &reset_pgm_handler; + PSW_ADDR_AMODE | (unsigned long) s390_base_pgm_handler; do_reset_calls(); } diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c index 1eef5091861..8f0cbca3120 100644 --- a/arch/s390/kernel/irq.c +++ b/arch/s390/kernel/irq.c @@ -1,9 +1,9 @@ /* * arch/s390/kernel/irq.c * - * S390 version - * Copyright (C) 2004 IBM Deutschland Entwicklung GmbH, IBM Corporation + * Copyright IBM Corp. 2004,2007 * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com), + * Thomas Spatzier (tspat@de.ibm.com) * * This file contains interrupt related functions. */ @@ -14,6 +14,8 @@ #include <linux/interrupt.h> #include <linux/seq_file.h> #include <linux/cpu.h> +#include <linux/proc_fs.h> +#include <linux/profile.h> /* * show_interrupts is needed by /proc/interrupts. @@ -93,5 +95,12 @@ asmlinkage void do_softirq(void) local_irq_restore(flags); } - EXPORT_SYMBOL(do_softirq); + +void init_irq_proc(void) +{ + struct proc_dir_entry *root_irq_dir; + + root_irq_dir = proc_mkdir("irq", NULL); + create_prof_cpu_mask(root_irq_dir); +} diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c index 576368c4f60..a466bab6677 100644 --- a/arch/s390/kernel/kprobes.c +++ b/arch/s390/kernel/kprobes.c @@ -155,15 +155,34 @@ void __kprobes get_instruction_type(struct arch_specific_insn *ainsn) static int __kprobes swap_instruction(void *aref) { struct ins_replace_args *args = aref; + u32 *addr; + u32 instr; int err = -EFAULT; + /* + * Text segment is read-only, hence we use stura to bypass dynamic + * address translation to exchange the instruction. Since stura + * always operates on four bytes, but we only want to exchange two + * bytes do some calculations to get things right. In addition we + * shall not cross any page boundaries (vmalloc area!) when writing + * the new instruction. + */ + addr = (u32 *)ALIGN((unsigned long)args->ptr, 4); + if ((unsigned long)args->ptr & 2) + instr = ((*addr) & 0xffff0000) | args->new; + else + instr = ((*addr) & 0x0000ffff) | args->new << 16; + asm volatile( - "0: mvc 0(2,%2),0(%3)\n" - "1: la %0,0\n" + " lra %1,0(%1)\n" + "0: stura %2,%1\n" + "1: la %0,0\n" "2:\n" EX_TABLE(0b,2b) - : "+d" (err), "=m" (*args->ptr) - : "a" (args->ptr), "a" (&args->new), "m" (args->new)); + : "+d" (err) + : "a" (addr), "d" (instr) + : "memory", "cc"); + return err; } @@ -356,7 +375,7 @@ no_kprobe: * - When the probed function returns, this probe * causes the handlers to fire */ -void __kprobes kretprobe_trampoline_holder(void) +void kretprobe_trampoline_holder(void) { asm volatile(".global kretprobe_trampoline\n" "kretprobe_trampoline: bcr 0,0\n"); @@ -365,7 +384,8 @@ void __kprobes kretprobe_trampoline_holder(void) /* * Called when the probe at kretprobe trampoline is hit */ -int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs) +static int __kprobes trampoline_probe_handler(struct kprobe *p, + struct pt_regs *regs) { struct kretprobe_instance *ri = NULL; struct hlist_head *head, empty_rp; diff --git a/arch/s390/kernel/machine_kexec.c b/arch/s390/kernel/machine_kexec.c index f6d9bcc0f75..52f57af252b 100644 --- a/arch/s390/kernel/machine_kexec.c +++ b/arch/s390/kernel/machine_kexec.c @@ -11,6 +11,7 @@ #include <linux/mm.h> #include <linux/kexec.h> #include <linux/delay.h> +#include <linux/reboot.h> #include <asm/cio.h> #include <asm/setup.h> #include <asm/pgtable.h> diff --git a/arch/s390/kernel/module.c b/arch/s390/kernel/module.c index d989ed45a7a..39d1dd75252 100644 --- a/arch/s390/kernel/module.c +++ b/arch/s390/kernel/module.c @@ -30,6 +30,7 @@ #include <linux/fs.h> #include <linux/string.h> #include <linux/kernel.h> +#include <linux/moduleloader.h> #if 0 #define DEBUGP printk @@ -58,7 +59,7 @@ void module_free(struct module *mod, void *module_region) table entries. */ } -static inline void +static void check_rela(Elf_Rela *rela, struct module *me) { struct mod_arch_syminfo *info; @@ -181,7 +182,7 @@ apply_relocate(Elf_Shdr *sechdrs, const char *strtab, unsigned int symindex, return -ENOEXEC; } -static inline int +static int apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab, struct module *me) { diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c index 6603fbb41d0..5acfac654f9 100644 --- a/arch/s390/kernel/process.c +++ b/arch/s390/kernel/process.c @@ -144,7 +144,7 @@ static void default_idle(void) trace_hardirqs_on(); /* Wait for external, I/O or machine check interrupt. */ - __load_psw_mask(PSW_KERNEL_BITS | PSW_MASK_WAIT | + __load_psw_mask(psw_kernel_bits | PSW_MASK_WAIT | PSW_MASK_IO | PSW_MASK_EXT); } @@ -190,7 +190,7 @@ int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags) struct pt_regs regs; memset(®s, 0, sizeof(regs)); - regs.psw.mask = PSW_KERNEL_BITS | PSW_MASK_IO | PSW_MASK_EXT; + regs.psw.mask = psw_kernel_bits | PSW_MASK_IO | PSW_MASK_EXT; regs.psw.addr = (unsigned long) kernel_thread_starter | PSW_ADDR_AMODE; regs.gprs[9] = (unsigned long) fn; regs.gprs[10] = (unsigned long) arg; diff --git a/arch/s390/kernel/profile.c b/arch/s390/kernel/profile.c deleted file mode 100644 index b81aa1f569c..00000000000 --- a/arch/s390/kernel/profile.c +++ /dev/null @@ -1,20 +0,0 @@ -/* - * arch/s390/kernel/profile.c - * - * Copyright (C) 2003 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Thomas Spatzier (tspat@de.ibm.com) - * - */ -#include <linux/proc_fs.h> -#include <linux/profile.h> - -static struct proc_dir_entry * root_irq_dir; - -void init_irq_proc(void) -{ - /* create /proc/irq */ - root_irq_dir = proc_mkdir("irq", NULL); - - /* create /proc/irq/prof_cpu_mask */ - create_prof_cpu_mask(root_irq_dir); -} diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c index 8f36504075e..2a8f0872ea8 100644 --- a/arch/s390/kernel/ptrace.c +++ b/arch/s390/kernel/ptrace.c @@ -86,15 +86,13 @@ FixPerRegisters(struct task_struct *task) per_info->control_regs.bits.storage_alt_space_ctl = 0; } -void -set_single_step(struct task_struct *task) +static void set_single_step(struct task_struct *task) { task->thread.per_info.single_step = 1; FixPerRegisters(task); } -void -clear_single_step(struct task_struct *task) +static void clear_single_step(struct task_struct *task) { task->thread.per_info.single_step = 0; FixPerRegisters(task); @@ -232,9 +230,9 @@ poke_user(struct task_struct *child, addr_t addr, addr_t data) */ if (addr == (addr_t) &dummy->regs.psw.mask && #ifdef CONFIG_COMPAT - data != PSW_MASK_MERGE(PSW_USER32_BITS, data) && + data != PSW_MASK_MERGE(psw_user32_bits, data) && #endif - data != PSW_MASK_MERGE(PSW_USER_BITS, data)) + data != PSW_MASK_MERGE(psw_user_bits, data)) /* Invalid psw mask. */ return -EINVAL; #ifndef CONFIG_64BIT @@ -309,7 +307,7 @@ do_ptrace_normal(struct task_struct *child, long request, long addr, long data) copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0); if (copied != sizeof(tmp)) return -EIO; - return put_user(tmp, (unsigned long __user *) data); + return put_user(tmp, (unsigned long __force __user *) data); case PTRACE_PEEKUSR: /* read the word at location addr in the USER area. */ @@ -331,7 +329,7 @@ do_ptrace_normal(struct task_struct *child, long request, long addr, long data) case PTRACE_PEEKUSR_AREA: case PTRACE_POKEUSR_AREA: - if (copy_from_user(&parea, (void __user *) addr, + if (copy_from_user(&parea, (void __force __user *) addr, sizeof(parea))) return -EFAULT; addr = parea.kernel_addr; @@ -341,10 +339,11 @@ do_ptrace_normal(struct task_struct *child, long request, long addr, long data) if (request == PTRACE_PEEKUSR_AREA) ret = peek_user(child, addr, data); else { - addr_t tmp; - if (get_user (tmp, (addr_t __user *) data)) + addr_t utmp; + if (get_user(utmp, + (addr_t __force __user *) data)) return -EFAULT; - ret = poke_user(child, addr, tmp); + ret = poke_user(child, addr, utmp); } if (ret) return ret; @@ -394,7 +393,7 @@ peek_user_emu31(struct task_struct *child, addr_t addr, addr_t data) if (addr == (addr_t) &dummy32->regs.psw.mask) { /* Fake a 31 bit psw mask. */ tmp = (__u32)(task_pt_regs(child)->psw.mask >> 32); - tmp = PSW32_MASK_MERGE(PSW32_USER_BITS, tmp); + tmp = PSW32_MASK_MERGE(psw32_user_bits, tmp); } else if (addr == (addr_t) &dummy32->regs.psw.addr) { /* Fake a 31 bit psw address. */ tmp = (__u32) task_pt_regs(child)->psw.addr | @@ -469,11 +468,11 @@ poke_user_emu31(struct task_struct *child, addr_t addr, addr_t data) */ if (addr == (addr_t) &dummy32->regs.psw.mask) { /* Build a 64 bit psw mask from 31 bit mask. */ - if (tmp != PSW32_MASK_MERGE(PSW32_USER_BITS, tmp)) + if (tmp != PSW32_MASK_MERGE(psw32_user_bits, tmp)) /* Invalid psw mask. */ return -EINVAL; task_pt_regs(child)->psw.mask = - PSW_MASK_MERGE(PSW_USER32_BITS, (__u64) tmp << 32); + PSW_MASK_MERGE(psw_user32_bits, (__u64) tmp << 32); } else if (addr == (addr_t) &dummy32->regs.psw.addr) { /* Build a 64 bit psw address from 31 bit address. */ task_pt_regs(child)->psw.addr = @@ -550,7 +549,7 @@ do_ptrace_emu31(struct task_struct *child, long request, long addr, long data) copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0); if (copied != sizeof(tmp)) return -EIO; - return put_user(tmp, (unsigned int __user *) data); + return put_user(tmp, (unsigned int __force __user *) data); case PTRACE_PEEKUSR: /* read the word at location addr in the USER area. */ @@ -571,7 +570,7 @@ do_ptrace_emu31(struct task_struct *child, long request, long addr, long data) case PTRACE_PEEKUSR_AREA: case PTRACE_POKEUSR_AREA: - if (copy_from_user(&parea, (void __user *) addr, + if (copy_from_user(&parea, (void __force __user *) addr, sizeof(parea))) return -EFAULT; addr = parea.kernel_addr; @@ -581,10 +580,11 @@ do_ptrace_emu31(struct task_struct *child, long request, long addr, long data) if (request == PTRACE_PEEKUSR_AREA) ret = peek_user_emu31(child, addr, data); else { - __u32 tmp; - if (get_user (tmp, (__u32 __user *) data)) + __u32 utmp; + if (get_user(utmp, + (__u32 __force __user *) data)) return -EFAULT; - ret = poke_user_emu31(child, addr, tmp); + ret = poke_user_emu31(child, addr, utmp); } if (ret) return ret; @@ -595,17 +595,19 @@ do_ptrace_emu31(struct task_struct *child, long request, long addr, long data) return 0; case PTRACE_GETEVENTMSG: return put_user((__u32) child->ptrace_message, - (unsigned int __user *) data); + (unsigned int __force __user *) data); case PTRACE_GETSIGINFO: if (child->last_siginfo == NULL) return -EINVAL; - return copy_siginfo_to_user32((compat_siginfo_t __user *) data, + return copy_siginfo_to_user32((compat_siginfo_t + __force __user *) data, child->last_siginfo); case PTRACE_SETSIGINFO: if (child->last_siginfo == NULL) return -EINVAL; return copy_siginfo_from_user32(child->last_siginfo, - (compat_siginfo_t __user *) data); + (compat_siginfo_t + __force __user *) data); } return ptrace_request(child, request, addr, data); } diff --git a/arch/s390/kernel/reset.S b/arch/s390/kernel/reset.S deleted file mode 100644 index 8a87355161f..00000000000 --- a/arch/s390/kernel/reset.S +++ /dev/null @@ -1,90 +0,0 @@ -/* - * arch/s390/kernel/reset.S - * - * Copyright (C) IBM Corp. 2006 - * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com> - * Michael Holzheu <holzheu@de.ibm.com> - */ - -#include <asm/ptrace.h> -#include <asm/lowcore.h> - -#ifdef CONFIG_64BIT - - .globl reset_mcck_handler -reset_mcck_handler: - basr %r13,0 -0: lg %r15,__LC_PANIC_STACK # load panic stack - aghi %r15,-STACK_FRAME_OVERHEAD - lg %r1,s390_reset_mcck_handler-0b(%r13) - ltgr %r1,%r1 - jz 1f - basr %r14,%r1 -1: la %r1,4095 - lmg %r0,%r15,__LC_GPREGS_SAVE_AREA-4095(%r1) - lpswe __LC_MCK_OLD_PSW - - .globl s390_reset_mcck_handler -s390_reset_mcck_handler: - .quad 0 - - .globl reset_pgm_handler -reset_pgm_handler: - stmg %r0,%r15,__LC_SAVE_AREA - basr %r13,0 -0: lg %r15,__LC_PANIC_STACK # load panic stack - aghi %r15,-STACK_FRAME_OVERHEAD - lg %r1,s390_reset_pgm_handler-0b(%r13) - ltgr %r1,%r1 - jz 1f - basr %r14,%r1 - lmg %r0,%r15,__LC_SAVE_AREA - lpswe __LC_PGM_OLD_PSW -1: lpswe disabled_wait_psw-0b(%r13) - .globl s390_reset_pgm_handler -s390_reset_pgm_handler: - .quad 0 - .align 8 -disabled_wait_psw: - .quad 0x0002000180000000,0x0000000000000000 + reset_pgm_handler - -#else /* CONFIG_64BIT */ - - .globl reset_mcck_handler -reset_mcck_handler: - basr %r13,0 -0: l %r15,__LC_PANIC_STACK # load panic stack - ahi %r15,-STACK_FRAME_OVERHEAD - l %r1,s390_reset_mcck_handler-0b(%r13) - ltr %r1,%r1 - jz 1f - basr %r14,%r1 -1: lm %r0,%r15,__LC_GPREGS_SAVE_AREA - lpsw __LC_MCK_OLD_PSW - - .globl s390_reset_mcck_handler -s390_reset_mcck_handler: - .long 0 - - .globl reset_pgm_handler -reset_pgm_handler: - stm %r0,%r15,__LC_SAVE_AREA - basr %r13,0 -0: l %r15,__LC_PANIC_STACK # load panic stack - ahi %r15,-STACK_FRAME_OVERHEAD - l %r1,s390_reset_pgm_handler-0b(%r13) - ltr %r1,%r1 - jz 1f - basr %r14,%r1 - lm %r0,%r15,__LC_SAVE_AREA - lpsw __LC_PGM_OLD_PSW - -1: lpsw disabled_wait_psw-0b(%r13) - .globl s390_reset_pgm_handler -s390_reset_pgm_handler: - .long 0 -disabled_wait_psw: - .align 8 - .long 0x000a0000,0x00000000 + reset_pgm_handler - -#endif /* CONFIG_64BIT */ diff --git a/arch/s390/kernel/s390_ext.c b/arch/s390/kernel/s390_ext.c index bc5beaa8f98..acf93dba772 100644 --- a/arch/s390/kernel/s390_ext.c +++ b/arch/s390/kernel/s390_ext.c @@ -125,14 +125,12 @@ void do_extint(struct pt_regs *regs, unsigned short code) * Make sure that the i/o interrupt did not "overtake" * the last HZ timer interrupt. */ - account_ticks(); + account_ticks(S390_lowcore.int_clock); kstat_cpu(smp_processor_id()).irqs[EXTERNAL_INTERRUPT]++; index = ext_hash(code); for (p = ext_int_hash[index]; p; p = p->next) { - if (likely(p->code == code)) { - if (likely(p->handler)) - p->handler(code); - } + if (likely(p->code == code)) + p->handler(code); } irq_exit(); set_irq_regs(old_regs); diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 5d8ee3baac1..50c5210fbc6 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -38,6 +38,8 @@ #include <linux/device.h> #include <linux/notifier.h> #include <linux/pfn.h> +#include <linux/ctype.h> +#include <linux/reboot.h> #include <asm/uaccess.h> #include <asm/system.h> @@ -49,6 +51,14 @@ #include <asm/page.h> #include <asm/ptrace.h> #include <asm/sections.h> +#include <asm/ebcdic.h> +#include <asm/compat.h> + +long psw_kernel_bits = (PSW_BASE_BITS | PSW_MASK_DAT | PSW_ASC_PRIMARY | + PSW_MASK_MCHECK | PSW_DEFAULT_KEY); +long psw_user_bits = (PSW_BASE_BITS | PSW_MASK_DAT | PSW_ASC_HOME | + PSW_MASK_IO | PSW_MASK_EXT | PSW_MASK_MCHECK | + PSW_MASK_PSTATE | PSW_DEFAULT_KEY); /* * User copy operations. @@ -117,9 +127,9 @@ void __devinit cpu_init (void) */ char vmhalt_cmd[128] = ""; char vmpoff_cmd[128] = ""; -char vmpanic_cmd[128] = ""; +static char vmpanic_cmd[128] = ""; -static inline void strncpy_skip_quote(char *dst, char *src, int n) +static void strncpy_skip_quote(char *dst, char *src, int n) { int sx, dx; @@ -275,10 +285,6 @@ static void __init conmode_default(void) } #ifdef CONFIG_SMP -extern void machine_restart_smp(char *); -extern void machine_halt_smp(void); -extern void machine_power_off_smp(void); - void (*_machine_restart)(char *command) = machine_restart_smp; void (*_machine_halt)(void) = machine_halt_smp; void (*_machine_power_off)(void) = machine_power_off_smp; @@ -386,6 +392,84 @@ static int __init early_parse_ipldelay(char *p) } early_param("ipldelay", early_parse_ipldelay); +#ifdef CONFIG_S390_SWITCH_AMODE +unsigned int switch_amode = 0; +EXPORT_SYMBOL_GPL(switch_amode); + +static void set_amode_and_uaccess(unsigned long user_amode, + unsigned long user32_amode) +{ + psw_user_bits = PSW_BASE_BITS | PSW_MASK_DAT | user_amode | + PSW_MASK_IO | PSW_MASK_EXT | PSW_MASK_MCHECK | + PSW_MASK_PSTATE | PSW_DEFAULT_KEY; +#ifdef CONFIG_COMPAT + psw_user32_bits = PSW_BASE32_BITS | PSW_MASK_DAT | user_amode | + PSW_MASK_IO | PSW_MASK_EXT | PSW_MASK_MCHECK | + PSW_MASK_PSTATE | PSW_DEFAULT_KEY; + psw32_user_bits = PSW32_BASE_BITS | PSW32_MASK_DAT | user32_amode | + PSW32_MASK_IO | PSW32_MASK_EXT | PSW32_MASK_MCHECK | + PSW32_MASK_PSTATE; +#endif + psw_kernel_bits = PSW_BASE_BITS | PSW_MASK_DAT | PSW_ASC_HOME | + PSW_MASK_MCHECK | PSW_DEFAULT_KEY; + + if (MACHINE_HAS_MVCOS) { + printk("mvcos available.\n"); + memcpy(&uaccess, &uaccess_mvcos_switch, sizeof(uaccess)); + } else { + printk("mvcos not available.\n"); + memcpy(&uaccess, &uaccess_pt, sizeof(uaccess)); + } +} + +/* + * Switch kernel/user addressing modes? + */ +static int __init early_parse_switch_amode(char *p) +{ + switch_amode = 1; + return 0; +} +early_param("switch_amode", early_parse_switch_amode); + +#else /* CONFIG_S390_SWITCH_AMODE */ +static inline void set_amode_and_uaccess(unsigned long user_amode, + unsigned long user32_amode) +{ +} +#endif /* CONFIG_S390_SWITCH_AMODE */ + +#ifdef CONFIG_S390_EXEC_PROTECT +unsigned int s390_noexec = 0; +EXPORT_SYMBOL_GPL(s390_noexec); + +/* + * Enable execute protection? + */ +static int __init early_parse_noexec(char *p) +{ + if (!strncmp(p, "off", 3)) + return 0; + switch_amode = 1; + s390_noexec = 1; + return 0; +} +early_param("noexec", early_parse_noexec); +#endif /* CONFIG_S390_EXEC_PROTECT */ + +static void setup_addressing_mode(void) +{ + if (s390_noexec) { + printk("S390 execute protection active, "); + set_amode_and_uaccess(PSW_ASC_SECONDARY, PSW32_ASC_SECONDARY); + return; + } + if (switch_amode) { + printk("S390 address spaces switched, "); + set_amode_and_uaccess(PSW_ASC_PRIMARY, PSW32_ASC_PRIMARY); + } +} + static void __init setup_lowcore(void) { @@ -402,19 +486,21 @@ setup_lowcore(void) lc->restart_psw.mask = PSW_BASE_BITS | PSW_DEFAULT_KEY; lc->restart_psw.addr = PSW_ADDR_AMODE | (unsigned long) restart_int_handler; - lc->external_new_psw.mask = PSW_KERNEL_BITS; + if (switch_amode) + lc->restart_psw.mask |= PSW_ASC_HOME; + lc->external_new_psw.mask = psw_kernel_bits; lc->external_new_psw.addr = PSW_ADDR_AMODE | (unsigned long) ext_int_handler; - lc->svc_new_psw.mask = PSW_KERNEL_BITS | PSW_MASK_IO | PSW_MASK_EXT; + lc->svc_new_psw.mask = psw_kernel_bits | PSW_MASK_IO | PSW_MASK_EXT; lc->svc_new_psw.addr = PSW_ADDR_AMODE | (unsigned long) system_call; - lc->program_new_psw.mask = PSW_KERNEL_BITS; + lc->program_new_psw.mask = psw_kernel_bits; lc->program_new_psw.addr = PSW_ADDR_AMODE | (unsigned long)pgm_check_handler; lc->mcck_new_psw.mask = - PSW_KERNEL_BITS & ~PSW_MASK_MCHECK & ~PSW_MASK_DAT; + psw_kernel_bits & ~PSW_MASK_MCHECK & ~PSW_MASK_DAT; lc->mcck_new_psw.addr = PSW_ADDR_AMODE | (unsigned long) mcck_int_handler; - lc->io_new_psw.mask = PSW_KERNEL_BITS; + lc->io_new_psw.mask = psw_kernel_bits; lc->io_new_psw.addr = PSW_ADDR_AMODE | (unsigned long) io_int_handler; lc->ipl_device = S390_lowcore.ipl_device; lc->jiffy_timer = -1LL; @@ -439,7 +525,7 @@ setup_lowcore(void) static void __init setup_resources(void) { - struct resource *res; + struct resource *res, *sub_res; int i; code_resource.start = (unsigned long) &_text; @@ -464,8 +550,38 @@ setup_resources(void) res->start = memory_chunk[i].addr; res->end = memory_chunk[i].addr + memory_chunk[i].size - 1; request_resource(&iomem_resource, res); - request_resource(res, &code_resource); - request_resource(res, &data_resource); + + if (code_resource.start >= res->start && + code_resource.start <= res->end && + code_resource.end > res->end) { + sub_res = alloc_bootmem_low(sizeof(struct resource)); + memcpy(sub_res, &code_resource, + sizeof(struct resource)); + sub_res->end = res->end; + code_resource.start = res->end + 1; + request_resource(res, sub_res); + } + + if (code_resource.start >= res->start && + code_resource.start <= res->end && + code_resource.end <= res->end) + request_resource(res, &code_resource); + + if (data_resource.start >= res->start && + data_resource.start <= res->end && + data_resource.end > res->end) { + sub_res = alloc_bootmem_low(sizeof(struct resource)); + memcpy(sub_res, &data_resource, + sizeof(struct resource)); + sub_res->end = res->end; + data_resource.start = res->end + 1; + request_resource(res, sub_res); + } + + if (data_resource.start >= res->start && + data_resource.start <= res->end && + data_resource.end <= res->end) + request_resource(res, &data_resource); } } @@ -495,16 +611,13 @@ static void __init setup_memory_end(void) } if (!memory_end) memory_end = memory_size; - if (real_size > memory_end) - printk("More memory detected than supported. Unused: %luk\n", - (real_size - memory_end) >> 10); } static void __init setup_memory(void) { unsigned long bootmap_size; - unsigned long start_pfn, end_pfn, init_pfn; + unsigned long start_pfn, end_pfn; int i; /* @@ -514,10 +627,6 @@ setup_memory(void) start_pfn = PFN_UP(__pa(&_end)); end_pfn = max_pfn = PFN_DOWN(memory_end); - /* Initialize storage key for kernel pages */ - for (init_pfn = 0 ; init_pfn < start_pfn; init_pfn++) - page_set_storage_key(init_pfn << PAGE_SHIFT, PAGE_DEFAULT_KEY); - #ifdef CONFIG_BLK_DEV_INITRD /* * Move the initrd in case the bitmap of the bootmem allocater @@ -631,7 +740,7 @@ setup_arch(char **cmdline_p) #endif /* CONFIG_64BIT */ /* Save unparsed command line copy for /proc/cmdline */ - strlcpy(saved_command_line, COMMAND_LINE, COMMAND_LINE_SIZE); + strlcpy(boot_command_line, COMMAND_LINE, COMMAND_LINE_SIZE); *cmdline_p = COMMAND_LINE; *(*cmdline_p + COMMAND_LINE_SIZE - 1) = '\0'; @@ -651,6 +760,7 @@ setup_arch(char **cmdline_p) parse_early_param(); setup_memory_end(); + setup_addressing_mode(); setup_memory(); setup_resources(); setup_lowcore(); @@ -694,6 +804,7 @@ static int show_cpuinfo(struct seq_file *m, void *v) struct cpuinfo_S390 *cpuinfo; unsigned long n = (unsigned long) v - 1; + s390_adjust_jiffies(); preempt_disable(); if (!n) { seq_printf(m, "vendor_id : IBM/S390\n" diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c index 4c8a7954ef4..554f9cf7499 100644 --- a/arch/s390/kernel/signal.c +++ b/arch/s390/kernel/signal.c @@ -119,7 +119,7 @@ static int save_sigregs(struct pt_regs *regs, _sigregs __user *sregs) /* Copy a 'clean' PSW mask to the user to avoid leaking information about whether PER is currently on. */ - user_sregs.regs.psw.mask = PSW_MASK_MERGE(PSW_USER_BITS, regs->psw.mask); + user_sregs.regs.psw.mask = PSW_MASK_MERGE(psw_user_bits, regs->psw.mask); user_sregs.regs.psw.addr = regs->psw.addr; memcpy(&user_sregs.regs.gprs, ®s->gprs, sizeof(sregs->regs.gprs)); memcpy(&user_sregs.regs.acrs, current->thread.acrs, diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index c0cd255fddb..83a4ea6e3d6 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -22,23 +22,23 @@ #include <linux/module.h> #include <linux/init.h> - #include <linux/mm.h> #include <linux/spinlock.h> #include <linux/kernel_stat.h> #include <linux/smp_lock.h> - #include <linux/delay.h> #include <linux/cache.h> #include <linux/interrupt.h> #include <linux/cpu.h> - +#include <linux/timex.h> +#include <asm/setup.h> #include <asm/sigp.h> #include <asm/pgalloc.h> #include <asm/irq.h> #include <asm/s390_ext.h> #include <asm/cpcmd.h> #include <asm/tlbflush.h> +#include <asm/timer.h> extern volatile int __cpu_logical_map[]; @@ -53,17 +53,11 @@ cpumask_t cpu_possible_map = CPU_MASK_NONE; static struct task_struct *current_set[NR_CPUS]; -/* - * Reboot, halt and power_off routines for SMP. - */ -extern char vmhalt_cmd[]; -extern char vmpoff_cmd[]; - static void smp_ext_bitcall(int, ec_bit_sig); static void smp_ext_bitcall_others(ec_bit_sig); /* -5B * Structure and data for smp_call_function(). This is designed to minimise + * Structure and data for smp_call_function(). This is designed to minimise * static memory requirements. It also looks cleaner. */ static DEFINE_SPINLOCK(call_lock); @@ -110,7 +104,7 @@ int smp_call_function (void (*func) (void *info), void *info, int nonatomic, * remote CPUs are nearly ready to execute <<func>> or are or have executed. * * You must not call this function with disabled interrupts or from a - * hardware interrupt handler or from a bottom half handler. + * hardware interrupt handler. */ { struct call_data_struct data; @@ -119,8 +113,8 @@ int smp_call_function (void (*func) (void *info), void *info, int nonatomic, if (cpus <= 0) return 0; - /* Can deadlock when called with interrupts disabled */ - WARN_ON(irqs_disabled()); + /* Can deadlock when interrupts are disabled or if in wrong context */ + WARN_ON(irqs_disabled() || in_irq()); data.func = func; data.info = info; @@ -129,7 +123,7 @@ int smp_call_function (void (*func) (void *info), void *info, int nonatomic, if (wait) atomic_set(&data.finished, 0); - spin_lock(&call_lock); + spin_lock_bh(&call_lock); call_data = &data; /* Send a message to all other CPUs and wait for them to respond */ smp_ext_bitcall_others(ec_call_function); @@ -141,7 +135,7 @@ int smp_call_function (void (*func) (void *info), void *info, int nonatomic, if (wait) while (atomic_read(&data.finished) != cpus) cpu_relax(); - spin_unlock(&call_lock); + spin_unlock_bh(&call_lock); return 0; } @@ -165,6 +159,9 @@ int smp_call_function_on(void (*func) (void *info), void *info, if (!cpu_online(cpu)) return -EINVAL; + /* Can deadlock when interrupts are disabled or if in wrong context */ + WARN_ON(irqs_disabled() || in_irq()); + /* disable preemption for local function call */ curr_cpu = get_cpu(); @@ -200,7 +197,7 @@ int smp_call_function_on(void (*func) (void *info), void *info, } EXPORT_SYMBOL(smp_call_function_on); -static inline void do_send_stop(void) +static void do_send_stop(void) { int cpu, rc; @@ -214,7 +211,7 @@ static inline void do_send_stop(void) } } -static inline void do_store_status(void) +static void do_store_status(void) { int cpu, rc; @@ -230,7 +227,7 @@ static inline void do_store_status(void) } } -static inline void do_wait_for_stop(void) +static void do_wait_for_stop(void) { int cpu; @@ -250,7 +247,7 @@ static inline void do_wait_for_stop(void) void smp_send_stop(void) { /* Disable all interrupts/machine checks */ - __load_psw_mask(PSW_KERNEL_BITS & ~PSW_MASK_MCHECK); + __load_psw_mask(psw_kernel_bits & ~PSW_MASK_MCHECK); /* write magic number to zero page (absolute 0) */ lowcore_ptr[smp_processor_id()]->panic_magic = __PANIC_MAGIC; @@ -298,7 +295,7 @@ void machine_power_off_smp(void) * cpus are handled. */ -void do_ext_call_interrupt(__u16 code) +static void do_ext_call_interrupt(__u16 code) { unsigned long bits; @@ -385,7 +382,7 @@ struct ec_creg_mask_parms { /* * callback for setting/clearing control bits */ -void smp_ctl_bit_callback(void *info) { +static void smp_ctl_bit_callback(void *info) { struct ec_creg_mask_parms *pp = info; unsigned long cregs[16]; int i; @@ -458,17 +455,15 @@ __init smp_count_cpus(void) /* * Activate a secondary processor. */ -extern void init_cpu_timer(void); -extern void init_cpu_vtimer(void); - int __devinit start_secondary(void *cpuvoid) { /* Setup the cpu */ cpu_init(); preempt_disable(); - /* init per CPU timer */ + /* Enable TOD clock interrupts on the secondary cpu. */ init_cpu_timer(); #ifdef CONFIG_VIRT_TIMER + /* Enable cpu timer interrupts on the secondary cpu. */ init_cpu_vtimer(); #endif /* Enable pfault pseudo page faults on this cpu. */ @@ -542,7 +537,7 @@ smp_put_cpu(int cpu) spin_unlock_irqrestore(&smp_reserve_lock, flags); } -static inline int +static int cpu_stopped(int cpu) { __u32 status; diff --git a/arch/s390/kernel/stacktrace.c b/arch/s390/kernel/stacktrace.c index 0d14a4789bf..2e5c65a1863 100644 --- a/arch/s390/kernel/stacktrace.c +++ b/arch/s390/kernel/stacktrace.c @@ -11,11 +11,11 @@ #include <linux/stacktrace.h> #include <linux/kallsyms.h> -static inline unsigned long save_context_stack(struct stack_trace *trace, - unsigned int *skip, - unsigned long sp, - unsigned long low, - unsigned long high) +static unsigned long save_context_stack(struct stack_trace *trace, + unsigned int *skip, + unsigned long sp, + unsigned long low, + unsigned long high) { struct stack_frame *sf; struct pt_regs *regs; diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S index a4ceae3dbcf..a52c44455bf 100644 --- a/arch/s390/kernel/syscalls.S +++ b/arch/s390/kernel/syscalls.S @@ -124,7 +124,7 @@ NI_SYSCALL /* old "idle" system call */ NI_SYSCALL /* vm86old for i386 */ SYSCALL(sys_wait4,sys_wait4,compat_sys_wait4_wrapper) SYSCALL(sys_swapoff,sys_swapoff,sys32_swapoff_wrapper) /* 115 */ -SYSCALL(sys_sysinfo,sys_sysinfo,sys32_sysinfo_wrapper) +SYSCALL(sys_sysinfo,sys_sysinfo,compat_sys_sysinfo_wrapper) SYSCALL(sys_ipc,sys_ipc,sys32_ipc_wrapper) SYSCALL(sys_fsync,sys_fsync,sys32_fsync_wrapper) SYSCALL(sys_sigreturn_glue,sys_sigreturn_glue,sys32_sigreturn_glue) diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c index 6cceed4df73..3b91f27ab20 100644 --- a/arch/s390/kernel/time.c +++ b/arch/s390/kernel/time.c @@ -37,11 +37,15 @@ #include <asm/irq.h> #include <asm/irq_regs.h> #include <asm/timer.h> +#include <asm/etr.h> /* change this if you have some constant time drift */ #define USECS_PER_JIFFY ((unsigned long) 1000000/HZ) #define CLK_TICKS_PER_JIFFY ((unsigned long) USECS_PER_JIFFY << 12) +/* The value of the TOD clock for 1.1.1970. */ +#define TOD_UNIX_EPOCH 0x7d91048bca000000ULL + /* * Create a small time difference between the timer interrupts * on the different cpus to avoid lock contention. @@ -51,6 +55,7 @@ #define TICK_SIZE tick static ext_int_info_t ext_int_info_cc; +static ext_int_info_t ext_int_etr_cc; static u64 init_timer_cc; static u64 jiffies_timer_cc; static u64 xtime_cc; @@ -89,29 +94,21 @@ void tod_to_timeval(__u64 todval, struct timespec *xtime) #define s390_do_profile() do { ; } while(0) #endif /* CONFIG_PROFILING */ - /* - * timer_interrupt() needs to keep up the real-time clock, - * as well as call the "do_timer()" routine every clocktick + * Advance the per cpu tick counter up to the time given with the + * "time" argument. The per cpu update consists of accounting + * the virtual cpu time, calling update_process_times and calling + * the profiling hook. If xtime is before time it is advanced as well. */ -void account_ticks(void) +void account_ticks(u64 time) { - __u64 tmp; __u32 ticks; + __u64 tmp; /* Calculate how many ticks have passed. */ - if (S390_lowcore.int_clock < S390_lowcore.jiffy_timer) { - /* - * We have to program the clock comparator even if - * no tick has passed. That happens if e.g. an i/o - * interrupt wakes up an idle processor that has - * switched off its hz timer. - */ - tmp = S390_lowcore.jiffy_timer + CPU_DEVIATION; - asm volatile ("SCKC %0" : : "m" (tmp)); + if (time < S390_lowcore.jiffy_timer) return; - } - tmp = S390_lowcore.int_clock - S390_lowcore.jiffy_timer; + tmp = time - S390_lowcore.jiffy_timer; if (tmp >= 2*CLK_TICKS_PER_JIFFY) { /* more than two ticks ? */ ticks = __div(tmp, CLK_TICKS_PER_JIFFY) + 1; S390_lowcore.jiffy_timer += @@ -124,10 +121,6 @@ void account_ticks(void) S390_lowcore.jiffy_timer += CLK_TICKS_PER_JIFFY; } - /* set clock comparator for next tick */ - tmp = S390_lowcore.jiffy_timer + CPU_DEVIATION; - asm volatile ("SCKC %0" : : "m" (tmp)); - #ifdef CONFIG_SMP /* * Do not rely on the boot cpu to do the calls to do_timer. @@ -173,7 +166,7 @@ int sysctl_hz_timer = 1; * Stop the HZ tick on the current CPU. * Only cpu_idle may call this function. */ -static inline void stop_hz_timer(void) +static void stop_hz_timer(void) { unsigned long flags; unsigned long seq, next; @@ -210,20 +203,21 @@ static inline void stop_hz_timer(void) if (timer >= jiffies_timer_cc) todval = timer; } - asm volatile ("SCKC %0" : : "m" (todval)); + set_clock_comparator(todval); } /* * Start the HZ tick on the current CPU. * Only cpu_idle may call this function. */ -static inline void start_hz_timer(void) +static void start_hz_timer(void) { BUG_ON(!in_interrupt()); if (!cpu_isset(smp_processor_id(), nohz_cpu_mask)) return; - account_ticks(); + account_ticks(get_clock()); + set_clock_comparator(S390_lowcore.jiffy_timer + CPU_DEVIATION); cpu_clear(smp_processor_id(), nohz_cpu_mask); } @@ -245,7 +239,7 @@ static struct notifier_block nohz_idle_nb = { .notifier_call = nohz_idle_notify, }; -void __init nohz_init(void) +static void __init nohz_init(void) { if (register_idle_notifier(&nohz_idle_nb)) panic("Couldn't register idle notifier"); @@ -254,24 +248,57 @@ void __init nohz_init(void) #endif /* - * Start the clock comparator on the current CPU. + * Set up per cpu jiffy timer and set the clock comparator. + */ +static void setup_jiffy_timer(void) +{ + /* Set up clock comparator to next jiffy. */ + S390_lowcore.jiffy_timer = + jiffies_timer_cc + (jiffies_64 + 1) * CLK_TICKS_PER_JIFFY; + set_clock_comparator(S390_lowcore.jiffy_timer + CPU_DEVIATION); +} + +/* + * Set up lowcore and control register of the current cpu to + * enable TOD clock and clock comparator interrupts. */ void init_cpu_timer(void) { - unsigned long cr0; - __u64 timer; + setup_jiffy_timer(); - timer = jiffies_timer_cc + jiffies_64 * CLK_TICKS_PER_JIFFY; - S390_lowcore.jiffy_timer = timer + CLK_TICKS_PER_JIFFY; - timer += CLK_TICKS_PER_JIFFY + CPU_DEVIATION; - asm volatile ("SCKC %0" : : "m" (timer)); - /* allow clock comparator timer interrupt */ - __ctl_store(cr0, 0, 0); - cr0 |= 0x800; - __ctl_load(cr0, 0, 0); + /* Enable clock comparator timer interrupt. */ + __ctl_set_bit(0,11); + + /* Always allow ETR external interrupts, even without an ETR. */ + __ctl_set_bit(0, 4); } -extern void vtime_init(void); +static void clock_comparator_interrupt(__u16 code) +{ + /* set clock comparator for next tick */ + set_clock_comparator(S390_lowcore.jiffy_timer + CPU_DEVIATION); +} + +static void etr_reset(void); +static void etr_init(void); +static void etr_ext_handler(__u16); + +/* + * Get the TOD clock running. + */ +static u64 __init reset_tod_clock(void) +{ + u64 time; + + etr_reset(); + if (store_clock(&time) == 0) + return time; + /* TOD clock not running. Set the clock to Unix Epoch. */ + if (set_clock(TOD_UNIX_EPOCH) != 0 || store_clock(&time) != 0) + panic("TOD clock not operational."); + + return TOD_UNIX_EPOCH; +} static cycle_t read_tod_clock(void) { @@ -295,48 +322,31 @@ static struct clocksource clocksource_tod = { */ void __init time_init(void) { - __u64 set_time_cc; - int cc; - - /* kick the TOD clock */ - asm volatile( - " stck 0(%2)\n" - " ipm %0\n" - " srl %0,28" - : "=d" (cc), "=m" (init_timer_cc) - : "a" (&init_timer_cc) : "cc"); - switch (cc) { - case 0: /* clock in set state: all is fine */ - break; - case 1: /* clock in non-set state: FIXME */ - printk("time_init: TOD clock in non-set state\n"); - break; - case 2: /* clock in error state: FIXME */ - printk("time_init: TOD clock in error state\n"); - break; - case 3: /* clock in stopped or not-operational state: FIXME */ - printk("time_init: TOD clock stopped/non-operational\n"); - break; - } + init_timer_cc = reset_tod_clock(); + xtime_cc = init_timer_cc + CLK_TICKS_PER_JIFFY; jiffies_timer_cc = init_timer_cc - jiffies_64 * CLK_TICKS_PER_JIFFY; /* set xtime */ - xtime_cc = init_timer_cc + CLK_TICKS_PER_JIFFY; - set_time_cc = init_timer_cc - 0x8126d60e46000000LL + - (0x3c26700LL*1000000*4096); - tod_to_timeval(set_time_cc, &xtime); + tod_to_timeval(init_timer_cc - TOD_UNIX_EPOCH, &xtime); set_normalized_timespec(&wall_to_monotonic, -xtime.tv_sec, -xtime.tv_nsec); /* request the clock comparator external interrupt */ - if (register_early_external_interrupt(0x1004, NULL, + if (register_early_external_interrupt(0x1004, + clock_comparator_interrupt, &ext_int_info_cc) != 0) panic("Couldn't request external interrupt 0x1004"); if (clocksource_register(&clocksource_tod) != 0) panic("Could not register TOD clock source"); - init_cpu_timer(); + /* request the etr external interrupt */ + if (register_early_external_interrupt(0x1406, etr_ext_handler, + &ext_int_etr_cc) != 0) + panic("Couldn't request external interrupt 0x1406"); + + /* Enable TOD clock interrupts on the boot cpu. */ + init_cpu_timer(); #ifdef CONFIG_NO_IDLE_HZ nohz_init(); @@ -345,5 +355,1048 @@ void __init time_init(void) #ifdef CONFIG_VIRT_TIMER vtime_init(); #endif + etr_init(); +} + +/* + * External Time Reference (ETR) code. + */ +static int etr_port0_online; +static int etr_port1_online; + +static int __init early_parse_etr(char *p) +{ + if (strncmp(p, "off", 3) == 0) + etr_port0_online = etr_port1_online = 0; + else if (strncmp(p, "port0", 5) == 0) + etr_port0_online = 1; + else if (strncmp(p, "port1", 5) == 0) + etr_port1_online = 1; + else if (strncmp(p, "on", 2) == 0) + etr_port0_online = etr_port1_online = 1; + return 0; +} +early_param("etr", early_parse_etr); + +enum etr_event { + ETR_EVENT_PORT0_CHANGE, + ETR_EVENT_PORT1_CHANGE, + ETR_EVENT_PORT_ALERT, + ETR_EVENT_SYNC_CHECK, + ETR_EVENT_SWITCH_LOCAL, + ETR_EVENT_UPDATE, +}; + +enum etr_flags { + ETR_FLAG_ENOSYS, + ETR_FLAG_EACCES, + ETR_FLAG_STEAI, +}; + +/* + * Valid bit combinations of the eacr register are (x = don't care): + * e0 e1 dp p0 p1 ea es sl + * 0 0 x 0 0 0 0 0 initial, disabled state + * 0 0 x 0 1 1 0 0 port 1 online + * 0 0 x 1 0 1 0 0 port 0 online + * 0 0 x 1 1 1 0 0 both ports online + * 0 1 x 0 1 1 0 0 port 1 online and usable, ETR or PPS mode + * 0 1 x 0 1 1 0 1 port 1 online, usable and ETR mode + * 0 1 x 0 1 1 1 0 port 1 online, usable, PPS mode, in-sync + * 0 1 x 0 1 1 1 1 port 1 online, usable, ETR mode, in-sync + * 0 1 x 1 1 1 0 0 both ports online, port 1 usable + * 0 1 x 1 1 1 1 0 both ports online, port 1 usable, PPS mode, in-sync + * 0 1 x 1 1 1 1 1 both ports online, port 1 usable, ETR mode, in-sync + * 1 0 x 1 0 1 0 0 port 0 online and usable, ETR or PPS mode + * 1 0 x 1 0 1 0 1 port 0 online, usable and ETR mode + * 1 0 x 1 0 1 1 0 port 0 online, usable, PPS mode, in-sync + * 1 0 x 1 0 1 1 1 port 0 online, usable, ETR mode, in-sync + * 1 0 x 1 1 1 0 0 both ports online, port 0 usable + * 1 0 x 1 1 1 1 0 both ports online, port 0 usable, PPS mode, in-sync + * 1 0 x 1 1 1 1 1 both ports online, port 0 usable, ETR mode, in-sync + * 1 1 x 1 1 1 1 0 both ports online & usable, ETR, in-sync + * 1 1 x 1 1 1 1 1 both ports online & usable, ETR, in-sync + */ +static struct etr_eacr etr_eacr; +static u64 etr_tolec; /* time of last eacr update */ +static unsigned long etr_flags; +static struct etr_aib etr_port0; +static int etr_port0_uptodate; +static struct etr_aib etr_port1; +static int etr_port1_uptodate; +static unsigned long etr_events; +static struct timer_list etr_timer; +static struct tasklet_struct etr_tasklet; +static DEFINE_PER_CPU(atomic_t, etr_sync_word); + +static void etr_timeout(unsigned long dummy); +static void etr_tasklet_fn(unsigned long dummy); + +/* + * The etr get_clock function. It will write the current clock value + * to the clock pointer and return 0 if the clock is in sync with the + * external time source. If the clock mode is local it will return + * -ENOSYS and -EAGAIN if the clock is not in sync with the external + * reference. This function is what ETR is all about.. + */ +int get_sync_clock(unsigned long long *clock) +{ + atomic_t *sw_ptr; + unsigned int sw0, sw1; + + sw_ptr = &get_cpu_var(etr_sync_word); + sw0 = atomic_read(sw_ptr); + *clock = get_clock(); + sw1 = atomic_read(sw_ptr); + put_cpu_var(etr_sync_sync); + if (sw0 == sw1 && (sw0 & 0x80000000U)) + /* Success: time is in sync. */ + return 0; + if (test_bit(ETR_FLAG_ENOSYS, &etr_flags)) + return -ENOSYS; + if (test_bit(ETR_FLAG_EACCES, &etr_flags)) + return -EACCES; + return -EAGAIN; +} +EXPORT_SYMBOL(get_sync_clock); + +/* + * Make get_sync_clock return -EAGAIN. + */ +static void etr_disable_sync_clock(void *dummy) +{ + atomic_t *sw_ptr = &__get_cpu_var(etr_sync_word); + /* + * Clear the in-sync bit 2^31. All get_sync_clock calls will + * fail until the sync bit is turned back on. In addition + * increase the "sequence" counter to avoid the race of an + * etr event and the complete recovery against get_sync_clock. + */ + atomic_clear_mask(0x80000000, sw_ptr); + atomic_inc(sw_ptr); +} + +/* + * Make get_sync_clock return 0 again. + * Needs to be called from a context disabled for preemption. + */ +static void etr_enable_sync_clock(void) +{ + atomic_t *sw_ptr = &__get_cpu_var(etr_sync_word); + atomic_set_mask(0x80000000, sw_ptr); +} + +/* + * Reset ETR attachment. + */ +static void etr_reset(void) +{ + etr_eacr = (struct etr_eacr) { + .e0 = 0, .e1 = 0, ._pad0 = 4, .dp = 0, + .p0 = 0, .p1 = 0, ._pad1 = 0, .ea = 0, + .es = 0, .sl = 0 }; + if (etr_setr(&etr_eacr) == 0) + etr_tolec = get_clock(); + else { + set_bit(ETR_FLAG_ENOSYS, &etr_flags); + if (etr_port0_online || etr_port1_online) { + printk(KERN_WARNING "Running on non ETR capable " + "machine, only local mode available.\n"); + etr_port0_online = etr_port1_online = 0; + } + } +} + +static void etr_init(void) +{ + struct etr_aib aib; + + if (test_bit(ETR_FLAG_ENOSYS, &etr_flags)) + return; + /* Check if this machine has the steai instruction. */ + if (etr_steai(&aib, ETR_STEAI_STEPPING_PORT) == 0) + set_bit(ETR_FLAG_STEAI, &etr_flags); + setup_timer(&etr_timer, etr_timeout, 0UL); + tasklet_init(&etr_tasklet, etr_tasklet_fn, 0); + if (!etr_port0_online && !etr_port1_online) + set_bit(ETR_FLAG_EACCES, &etr_flags); + if (etr_port0_online) { + set_bit(ETR_EVENT_PORT0_CHANGE, &etr_events); + tasklet_hi_schedule(&etr_tasklet); + } + if (etr_port1_online) { + set_bit(ETR_EVENT_PORT1_CHANGE, &etr_events); + tasklet_hi_schedule(&etr_tasklet); + } +} + +/* + * Two sorts of ETR machine checks. The architecture reads: + * "When a machine-check niterruption occurs and if a switch-to-local or + * ETR-sync-check interrupt request is pending but disabled, this pending + * disabled interruption request is indicated and is cleared". + * Which means that we can get etr_switch_to_local events from the machine + * check handler although the interruption condition is disabled. Lovely.. + */ + +/* + * Switch to local machine check. This is called when the last usable + * ETR port goes inactive. After switch to local the clock is not in sync. + */ +void etr_switch_to_local(void) +{ + if (!etr_eacr.sl) + return; + etr_disable_sync_clock(NULL); + set_bit(ETR_EVENT_SWITCH_LOCAL, &etr_events); + tasklet_hi_schedule(&etr_tasklet); +} + +/* + * ETR sync check machine check. This is called when the ETR OTE and the + * local clock OTE are farther apart than the ETR sync check tolerance. + * After a ETR sync check the clock is not in sync. The machine check + * is broadcasted to all cpus at the same time. + */ +void etr_sync_check(void) +{ + if (!etr_eacr.es) + return; + etr_disable_sync_clock(NULL); + set_bit(ETR_EVENT_SYNC_CHECK, &etr_events); + tasklet_hi_schedule(&etr_tasklet); +} + +/* + * ETR external interrupt. There are two causes: + * 1) port state change, check the usability of the port + * 2) port alert, one of the ETR-data-validity bits (v1-v2 bits of the + * sldr-status word) or ETR-data word 1 (edf1) or ETR-data word 3 (edf3) + * or ETR-data word 4 (edf4) has changed. + */ +static void etr_ext_handler(__u16 code) +{ + struct etr_interruption_parameter *intparm = + (struct etr_interruption_parameter *) &S390_lowcore.ext_params; + + if (intparm->pc0) + /* ETR port 0 state change. */ + set_bit(ETR_EVENT_PORT0_CHANGE, &etr_events); + if (intparm->pc1) + /* ETR port 1 state change. */ + set_bit(ETR_EVENT_PORT1_CHANGE, &etr_events); + if (intparm->eai) + /* + * ETR port alert on either port 0, 1 or both. + * Both ports are not up-to-date now. + */ + set_bit(ETR_EVENT_PORT_ALERT, &etr_events); + tasklet_hi_schedule(&etr_tasklet); +} + +static void etr_timeout(unsigned long dummy) +{ + set_bit(ETR_EVENT_UPDATE, &etr_events); + tasklet_hi_schedule(&etr_tasklet); +} + +/* + * Check if the etr mode is pss. + */ +static inline int etr_mode_is_pps(struct etr_eacr eacr) +{ + return eacr.es && !eacr.sl; +} + +/* + * Check if the etr mode is etr. + */ +static inline int etr_mode_is_etr(struct etr_eacr eacr) +{ + return eacr.es && eacr.sl; +} + +/* + * Check if the port can be used for TOD synchronization. + * For PPS mode the port has to receive OTEs. For ETR mode + * the port has to receive OTEs, the ETR stepping bit has to + * be zero and the validity bits for data frame 1, 2, and 3 + * have to be 1. + */ +static int etr_port_valid(struct etr_aib *aib, int port) +{ + unsigned int psc; + + /* Check that this port is receiving OTEs. */ + if (aib->tsp == 0) + return 0; + + psc = port ? aib->esw.psc1 : aib->esw.psc0; + if (psc == etr_lpsc_pps_mode) + return 1; + if (psc == etr_lpsc_operational_step) + return !aib->esw.y && aib->slsw.v1 && + aib->slsw.v2 && aib->slsw.v3; + return 0; +} + +/* + * Check if two ports are on the same network. + */ +static int etr_compare_network(struct etr_aib *aib1, struct etr_aib *aib2) +{ + // FIXME: any other fields we have to compare? + return aib1->edf1.net_id == aib2->edf1.net_id; +} + +/* + * Wrapper for etr_stei that converts physical port states + * to logical port states to be consistent with the output + * of stetr (see etr_psc vs. etr_lpsc). + */ +static void etr_steai_cv(struct etr_aib *aib, unsigned int func) +{ + BUG_ON(etr_steai(aib, func) != 0); + /* Convert port state to logical port state. */ + if (aib->esw.psc0 == 1) + aib->esw.psc0 = 2; + else if (aib->esw.psc0 == 0 && aib->esw.p == 0) + aib->esw.psc0 = 1; + if (aib->esw.psc1 == 1) + aib->esw.psc1 = 2; + else if (aib->esw.psc1 == 0 && aib->esw.p == 1) + aib->esw.psc1 = 1; +} + +/* + * Check if the aib a2 is still connected to the same attachment as + * aib a1, the etv values differ by one and a2 is valid. + */ +static int etr_aib_follows(struct etr_aib *a1, struct etr_aib *a2, int p) +{ + int state_a1, state_a2; + + /* Paranoia check: e0/e1 should better be the same. */ + if (a1->esw.eacr.e0 != a2->esw.eacr.e0 || + a1->esw.eacr.e1 != a2->esw.eacr.e1) + return 0; + + /* Still connected to the same etr ? */ + state_a1 = p ? a1->esw.psc1 : a1->esw.psc0; + state_a2 = p ? a2->esw.psc1 : a2->esw.psc0; + if (state_a1 == etr_lpsc_operational_step) { + if (state_a2 != etr_lpsc_operational_step || + a1->edf1.net_id != a2->edf1.net_id || + a1->edf1.etr_id != a2->edf1.etr_id || + a1->edf1.etr_pn != a2->edf1.etr_pn) + return 0; + } else if (state_a2 != etr_lpsc_pps_mode) + return 0; + + /* The ETV value of a2 needs to be ETV of a1 + 1. */ + if (a1->edf2.etv + 1 != a2->edf2.etv) + return 0; + + if (!etr_port_valid(a2, p)) + return 0; + + return 1; +} + +/* + * The time is "clock". xtime is what we think the time is. + * Adjust the value by a multiple of jiffies and add the delta to ntp. + * "delay" is an approximation how long the synchronization took. If + * the time correction is positive, then "delay" is subtracted from + * the time difference and only the remaining part is passed to ntp. + */ +static void etr_adjust_time(unsigned long long clock, unsigned long long delay) +{ + unsigned long long delta, ticks; + struct timex adjust; + + /* + * We don't have to take the xtime lock because the cpu + * executing etr_adjust_time is running disabled in + * tasklet context and all other cpus are looping in + * etr_sync_cpu_start. + */ + if (clock > xtime_cc) { + /* It is later than we thought. */ + delta = ticks = clock - xtime_cc; + delta = ticks = (delta < delay) ? 0 : delta - delay; + delta -= do_div(ticks, CLK_TICKS_PER_JIFFY); + init_timer_cc = init_timer_cc + delta; + jiffies_timer_cc = jiffies_timer_cc + delta; + xtime_cc = xtime_cc + delta; + adjust.offset = ticks * (1000000 / HZ); + } else { + /* It is earlier than we thought. */ + delta = ticks = xtime_cc - clock; + delta -= do_div(ticks, CLK_TICKS_PER_JIFFY); + init_timer_cc = init_timer_cc - delta; + jiffies_timer_cc = jiffies_timer_cc - delta; + xtime_cc = xtime_cc - delta; + adjust.offset = -ticks * (1000000 / HZ); + } + if (adjust.offset != 0) { + printk(KERN_NOTICE "etr: time adjusted by %li micro-seconds\n", + adjust.offset); + adjust.modes = ADJ_OFFSET_SINGLESHOT; + do_adjtimex(&adjust); + } +} + +static void etr_sync_cpu_start(void *dummy) +{ + int *in_sync = dummy; + + etr_enable_sync_clock(); + /* + * This looks like a busy wait loop but it isn't. etr_sync_cpus + * is called on all other cpus while the TOD clocks is stopped. + * __udelay will stop the cpu on an enabled wait psw until the + * TOD is running again. + */ + while (*in_sync == 0) + __udelay(1); + if (*in_sync != 1) + /* Didn't work. Clear per-cpu in sync bit again. */ + etr_disable_sync_clock(NULL); + /* + * This round of TOD syncing is done. Set the clock comparator + * to the next tick and let the processor continue. + */ + setup_jiffy_timer(); +} + +static void etr_sync_cpu_end(void *dummy) +{ +} + +/* + * Sync the TOD clock using the port refered to by aibp. This port + * has to be enabled and the other port has to be disabled. The + * last eacr update has to be more than 1.6 seconds in the past. + */ +static int etr_sync_clock(struct etr_aib *aib, int port) +{ + struct etr_aib *sync_port; + unsigned long long clock, delay; + int in_sync, follows; + int rc; + + /* Check if the current aib is adjacent to the sync port aib. */ + sync_port = (port == 0) ? &etr_port0 : &etr_port1; + follows = etr_aib_follows(sync_port, aib, port); + memcpy(sync_port, aib, sizeof(*aib)); + if (!follows) + return -EAGAIN; + + /* + * Catch all other cpus and make them wait until we have + * successfully synced the clock. smp_call_function will + * return after all other cpus are in etr_sync_cpu_start. + */ + in_sync = 0; + preempt_disable(); + smp_call_function(etr_sync_cpu_start,&in_sync,0,0); + local_irq_disable(); + etr_enable_sync_clock(); + + /* Set clock to next OTE. */ + __ctl_set_bit(14, 21); + __ctl_set_bit(0, 29); + clock = ((unsigned long long) (aib->edf2.etv + 1)) << 32; + if (set_clock(clock) == 0) { + __udelay(1); /* Wait for the clock to start. */ + __ctl_clear_bit(0, 29); + __ctl_clear_bit(14, 21); + etr_stetr(aib); + /* Adjust Linux timing variables. */ + delay = (unsigned long long) + (aib->edf2.etv - sync_port->edf2.etv) << 32; + etr_adjust_time(clock, delay); + setup_jiffy_timer(); + /* Verify that the clock is properly set. */ + if (!etr_aib_follows(sync_port, aib, port)) { + /* Didn't work. */ + etr_disable_sync_clock(NULL); + in_sync = -EAGAIN; + rc = -EAGAIN; + } else { + in_sync = 1; + rc = 0; + } + } else { + /* Could not set the clock ?!? */ + __ctl_clear_bit(0, 29); + __ctl_clear_bit(14, 21); + etr_disable_sync_clock(NULL); + in_sync = -EAGAIN; + rc = -EAGAIN; + } + local_irq_enable(); + smp_call_function(etr_sync_cpu_end,NULL,0,0); + preempt_enable(); + return rc; +} + +/* + * Handle the immediate effects of the different events. + * The port change event is used for online/offline changes. + */ +static struct etr_eacr etr_handle_events(struct etr_eacr eacr) +{ + if (test_and_clear_bit(ETR_EVENT_SYNC_CHECK, &etr_events)) + eacr.es = 0; + if (test_and_clear_bit(ETR_EVENT_SWITCH_LOCAL, &etr_events)) + eacr.es = eacr.sl = 0; + if (test_and_clear_bit(ETR_EVENT_PORT_ALERT, &etr_events)) + etr_port0_uptodate = etr_port1_uptodate = 0; + + if (test_and_clear_bit(ETR_EVENT_PORT0_CHANGE, &etr_events)) { + if (eacr.e0) + /* + * Port change of an enabled port. We have to + * assume that this can have caused an stepping + * port switch. + */ + etr_tolec = get_clock(); + eacr.p0 = etr_port0_online; + if (!eacr.p0) + eacr.e0 = 0; + etr_port0_uptodate = 0; + } + if (test_and_clear_bit(ETR_EVENT_PORT1_CHANGE, &etr_events)) { + if (eacr.e1) + /* + * Port change of an enabled port. We have to + * assume that this can have caused an stepping + * port switch. + */ + etr_tolec = get_clock(); + eacr.p1 = etr_port1_online; + if (!eacr.p1) + eacr.e1 = 0; + etr_port1_uptodate = 0; + } + clear_bit(ETR_EVENT_UPDATE, &etr_events); + return eacr; +} + +/* + * Set up a timer that expires after the etr_tolec + 1.6 seconds if + * one of the ports needs an update. + */ +static void etr_set_tolec_timeout(unsigned long long now) +{ + unsigned long micros; + + if ((!etr_eacr.p0 || etr_port0_uptodate) && + (!etr_eacr.p1 || etr_port1_uptodate)) + return; + micros = (now > etr_tolec) ? ((now - etr_tolec) >> 12) : 0; + micros = (micros > 1600000) ? 0 : 1600000 - micros; + mod_timer(&etr_timer, jiffies + (micros * HZ) / 1000000 + 1); +} + +/* + * Set up a time that expires after 1/2 second. + */ +static void etr_set_sync_timeout(void) +{ + mod_timer(&etr_timer, jiffies + HZ/2); +} + +/* + * Update the aib information for one or both ports. + */ +static struct etr_eacr etr_handle_update(struct etr_aib *aib, + struct etr_eacr eacr) +{ + /* With both ports disabled the aib information is useless. */ + if (!eacr.e0 && !eacr.e1) + return eacr; + + /* Update port0 or port1 with aib stored in etr_tasklet_fn. */ + if (aib->esw.q == 0) { + /* Information for port 0 stored. */ + if (eacr.p0 && !etr_port0_uptodate) { + etr_port0 = *aib; + if (etr_port0_online) + etr_port0_uptodate = 1; + } + } else { + /* Information for port 1 stored. */ + if (eacr.p1 && !etr_port1_uptodate) { + etr_port1 = *aib; + if (etr_port0_online) + etr_port1_uptodate = 1; + } + } + + /* + * Do not try to get the alternate port aib if the clock + * is not in sync yet. + */ + if (!eacr.es) + return eacr; + + /* + * If steai is available we can get the information about + * the other port immediately. If only stetr is available the + * data-port bit toggle has to be used. + */ + if (test_bit(ETR_FLAG_STEAI, &etr_flags)) { + if (eacr.p0 && !etr_port0_uptodate) { + etr_steai_cv(&etr_port0, ETR_STEAI_PORT_0); + etr_port0_uptodate = 1; + } + if (eacr.p1 && !etr_port1_uptodate) { + etr_steai_cv(&etr_port1, ETR_STEAI_PORT_1); + etr_port1_uptodate = 1; + } + } else { + /* + * One port was updated above, if the other + * port is not uptodate toggle dp bit. + */ + if ((eacr.p0 && !etr_port0_uptodate) || + (eacr.p1 && !etr_port1_uptodate)) + eacr.dp ^= 1; + else + eacr.dp = 0; + } + return eacr; +} + +/* + * Write new etr control register if it differs from the current one. + * Return 1 if etr_tolec has been updated as well. + */ +static void etr_update_eacr(struct etr_eacr eacr) +{ + int dp_changed; + + if (memcmp(&etr_eacr, &eacr, sizeof(eacr)) == 0) + /* No change, return. */ + return; + /* + * The disable of an active port of the change of the data port + * bit can/will cause a change in the data port. + */ + dp_changed = etr_eacr.e0 > eacr.e0 || etr_eacr.e1 > eacr.e1 || + (etr_eacr.dp ^ eacr.dp) != 0; + etr_eacr = eacr; + etr_setr(&etr_eacr); + if (dp_changed) + etr_tolec = get_clock(); +} + +/* + * ETR tasklet. In this function you'll find the main logic. In + * particular this is the only function that calls etr_update_eacr(), + * it "controls" the etr control register. + */ +static void etr_tasklet_fn(unsigned long dummy) +{ + unsigned long long now; + struct etr_eacr eacr; + struct etr_aib aib; + int sync_port; + + /* Create working copy of etr_eacr. */ + eacr = etr_eacr; + + /* Check for the different events and their immediate effects. */ + eacr = etr_handle_events(eacr); + + /* Check if ETR is supposed to be active. */ + eacr.ea = eacr.p0 || eacr.p1; + if (!eacr.ea) { + /* Both ports offline. Reset everything. */ + eacr.dp = eacr.es = eacr.sl = 0; + on_each_cpu(etr_disable_sync_clock, NULL, 0, 1); + del_timer_sync(&etr_timer); + etr_update_eacr(eacr); + set_bit(ETR_FLAG_EACCES, &etr_flags); + return; + } + + /* Store aib to get the current ETR status word. */ + BUG_ON(etr_stetr(&aib) != 0); + etr_port0.esw = etr_port1.esw = aib.esw; /* Copy status word. */ + now = get_clock(); + + /* + * Update the port information if the last stepping port change + * or data port change is older than 1.6 seconds. + */ + if (now >= etr_tolec + (1600000 << 12)) + eacr = etr_handle_update(&aib, eacr); + + /* + * Select ports to enable. The prefered synchronization mode is PPS. + * If a port can be enabled depends on a number of things: + * 1) The port needs to be online and uptodate. A port is not + * disabled just because it is not uptodate, but it is only + * enabled if it is uptodate. + * 2) The port needs to have the same mode (pps / etr). + * 3) The port needs to be usable -> etr_port_valid() == 1 + * 4) To enable the second port the clock needs to be in sync. + * 5) If both ports are useable and are ETR ports, the network id + * has to be the same. + * The eacr.sl bit is used to indicate etr mode vs. pps mode. + */ + if (eacr.p0 && aib.esw.psc0 == etr_lpsc_pps_mode) { + eacr.sl = 0; + eacr.e0 = 1; + if (!etr_mode_is_pps(etr_eacr)) + eacr.es = 0; + if (!eacr.es || !eacr.p1 || aib.esw.psc1 != etr_lpsc_pps_mode) + eacr.e1 = 0; + // FIXME: uptodate checks ? + else if (etr_port0_uptodate && etr_port1_uptodate) + eacr.e1 = 1; + sync_port = (etr_port0_uptodate && + etr_port_valid(&etr_port0, 0)) ? 0 : -1; + clear_bit(ETR_FLAG_EACCES, &etr_flags); + } else if (eacr.p1 && aib.esw.psc1 == etr_lpsc_pps_mode) { + eacr.sl = 0; + eacr.e0 = 0; + eacr.e1 = 1; + if (!etr_mode_is_pps(etr_eacr)) + eacr.es = 0; + sync_port = (etr_port1_uptodate && + etr_port_valid(&etr_port1, 1)) ? 1 : -1; + clear_bit(ETR_FLAG_EACCES, &etr_flags); + } else if (eacr.p0 && aib.esw.psc0 == etr_lpsc_operational_step) { + eacr.sl = 1; + eacr.e0 = 1; + if (!etr_mode_is_etr(etr_eacr)) + eacr.es = 0; + if (!eacr.es || !eacr.p1 || + aib.esw.psc1 != etr_lpsc_operational_alt) + eacr.e1 = 0; + else if (etr_port0_uptodate && etr_port1_uptodate && + etr_compare_network(&etr_port0, &etr_port1)) + eacr.e1 = 1; + sync_port = (etr_port0_uptodate && + etr_port_valid(&etr_port0, 0)) ? 0 : -1; + clear_bit(ETR_FLAG_EACCES, &etr_flags); + } else if (eacr.p1 && aib.esw.psc1 == etr_lpsc_operational_step) { + eacr.sl = 1; + eacr.e0 = 0; + eacr.e1 = 1; + if (!etr_mode_is_etr(etr_eacr)) + eacr.es = 0; + sync_port = (etr_port1_uptodate && + etr_port_valid(&etr_port1, 1)) ? 1 : -1; + clear_bit(ETR_FLAG_EACCES, &etr_flags); + } else { + /* Both ports not usable. */ + eacr.es = eacr.sl = 0; + sync_port = -1; + set_bit(ETR_FLAG_EACCES, &etr_flags); + } + + /* + * If the clock is in sync just update the eacr and return. + * If there is no valid sync port wait for a port update. + */ + if (eacr.es || sync_port < 0) { + etr_update_eacr(eacr); + etr_set_tolec_timeout(now); + return; + } + + /* + * Prepare control register for clock syncing + * (reset data port bit, set sync check control. + */ + eacr.dp = 0; + eacr.es = 1; + + /* + * Update eacr and try to synchronize the clock. If the update + * of eacr caused a stepping port switch (or if we have to + * assume that a stepping port switch has occured) or the + * clock syncing failed, reset the sync check control bit + * and set up a timer to try again after 0.5 seconds + */ + etr_update_eacr(eacr); + if (now < etr_tolec + (1600000 << 12) || + etr_sync_clock(&aib, sync_port) != 0) { + /* Sync failed. Try again in 1/2 second. */ + eacr.es = 0; + etr_update_eacr(eacr); + etr_set_sync_timeout(); + } else + etr_set_tolec_timeout(now); +} + +/* + * Sysfs interface functions + */ +static struct sysdev_class etr_sysclass = { + set_kset_name("etr") +}; + +static struct sys_device etr_port0_dev = { + .id = 0, + .cls = &etr_sysclass, +}; + +static struct sys_device etr_port1_dev = { + .id = 1, + .cls = &etr_sysclass, +}; + +/* + * ETR class attributes + */ +static ssize_t etr_stepping_port_show(struct sysdev_class *class, char *buf) +{ + return sprintf(buf, "%i\n", etr_port0.esw.p); +} + +static SYSDEV_CLASS_ATTR(stepping_port, 0400, etr_stepping_port_show, NULL); + +static ssize_t etr_stepping_mode_show(struct sysdev_class *class, char *buf) +{ + char *mode_str; + + if (etr_mode_is_pps(etr_eacr)) + mode_str = "pps"; + else if (etr_mode_is_etr(etr_eacr)) + mode_str = "etr"; + else + mode_str = "local"; + return sprintf(buf, "%s\n", mode_str); +} + +static SYSDEV_CLASS_ATTR(stepping_mode, 0400, etr_stepping_mode_show, NULL); + +/* + * ETR port attributes + */ +static inline struct etr_aib *etr_aib_from_dev(struct sys_device *dev) +{ + if (dev == &etr_port0_dev) + return etr_port0_online ? &etr_port0 : NULL; + else + return etr_port1_online ? &etr_port1 : NULL; +} + +static ssize_t etr_online_show(struct sys_device *dev, char *buf) +{ + unsigned int online; + + online = (dev == &etr_port0_dev) ? etr_port0_online : etr_port1_online; + return sprintf(buf, "%i\n", online); +} + +static ssize_t etr_online_store(struct sys_device *dev, + const char *buf, size_t count) +{ + unsigned int value; + + value = simple_strtoul(buf, NULL, 0); + if (value != 0 && value != 1) + return -EINVAL; + if (test_bit(ETR_FLAG_ENOSYS, &etr_flags)) + return -ENOSYS; + if (dev == &etr_port0_dev) { + if (etr_port0_online == value) + return count; /* Nothing to do. */ + etr_port0_online = value; + set_bit(ETR_EVENT_PORT0_CHANGE, &etr_events); + tasklet_hi_schedule(&etr_tasklet); + } else { + if (etr_port1_online == value) + return count; /* Nothing to do. */ + etr_port1_online = value; + set_bit(ETR_EVENT_PORT1_CHANGE, &etr_events); + tasklet_hi_schedule(&etr_tasklet); + } + return count; +} + +static SYSDEV_ATTR(online, 0600, etr_online_show, etr_online_store); + +static ssize_t etr_stepping_control_show(struct sys_device *dev, char *buf) +{ + return sprintf(buf, "%i\n", (dev == &etr_port0_dev) ? + etr_eacr.e0 : etr_eacr.e1); +} + +static SYSDEV_ATTR(stepping_control, 0400, etr_stepping_control_show, NULL); + +static ssize_t etr_mode_code_show(struct sys_device *dev, char *buf) +{ + if (!etr_port0_online && !etr_port1_online) + /* Status word is not uptodate if both ports are offline. */ + return -ENODATA; + return sprintf(buf, "%i\n", (dev == &etr_port0_dev) ? + etr_port0.esw.psc0 : etr_port0.esw.psc1); +} + +static SYSDEV_ATTR(state_code, 0400, etr_mode_code_show, NULL); + +static ssize_t etr_untuned_show(struct sys_device *dev, char *buf) +{ + struct etr_aib *aib = etr_aib_from_dev(dev); + + if (!aib || !aib->slsw.v1) + return -ENODATA; + return sprintf(buf, "%i\n", aib->edf1.u); +} + +static SYSDEV_ATTR(untuned, 0400, etr_untuned_show, NULL); + +static ssize_t etr_network_id_show(struct sys_device *dev, char *buf) +{ + struct etr_aib *aib = etr_aib_from_dev(dev); + + if (!aib || !aib->slsw.v1) + return -ENODATA; + return sprintf(buf, "%i\n", aib->edf1.net_id); +} + +static SYSDEV_ATTR(network, 0400, etr_network_id_show, NULL); + +static ssize_t etr_id_show(struct sys_device *dev, char *buf) +{ + struct etr_aib *aib = etr_aib_from_dev(dev); + + if (!aib || !aib->slsw.v1) + return -ENODATA; + return sprintf(buf, "%i\n", aib->edf1.etr_id); +} + +static SYSDEV_ATTR(id, 0400, etr_id_show, NULL); + +static ssize_t etr_port_number_show(struct sys_device *dev, char *buf) +{ + struct etr_aib *aib = etr_aib_from_dev(dev); + + if (!aib || !aib->slsw.v1) + return -ENODATA; + return sprintf(buf, "%i\n", aib->edf1.etr_pn); +} + +static SYSDEV_ATTR(port, 0400, etr_port_number_show, NULL); + +static ssize_t etr_coupled_show(struct sys_device *dev, char *buf) +{ + struct etr_aib *aib = etr_aib_from_dev(dev); + + if (!aib || !aib->slsw.v3) + return -ENODATA; + return sprintf(buf, "%i\n", aib->edf3.c); +} + +static SYSDEV_ATTR(coupled, 0400, etr_coupled_show, NULL); + +static ssize_t etr_local_time_show(struct sys_device *dev, char *buf) +{ + struct etr_aib *aib = etr_aib_from_dev(dev); + + if (!aib || !aib->slsw.v3) + return -ENODATA; + return sprintf(buf, "%i\n", aib->edf3.blto); +} + +static SYSDEV_ATTR(local_time, 0400, etr_local_time_show, NULL); + +static ssize_t etr_utc_offset_show(struct sys_device *dev, char *buf) +{ + struct etr_aib *aib = etr_aib_from_dev(dev); + + if (!aib || !aib->slsw.v3) + return -ENODATA; + return sprintf(buf, "%i\n", aib->edf3.buo); +} + +static SYSDEV_ATTR(utc_offset, 0400, etr_utc_offset_show, NULL); + +static struct sysdev_attribute *etr_port_attributes[] = { + &attr_online, + &attr_stepping_control, + &attr_state_code, + &attr_untuned, + &attr_network, + &attr_id, + &attr_port, + &attr_coupled, + &attr_local_time, + &attr_utc_offset, + NULL +}; + +static int __init etr_register_port(struct sys_device *dev) +{ + struct sysdev_attribute **attr; + int rc; + + rc = sysdev_register(dev); + if (rc) + goto out; + for (attr = etr_port_attributes; *attr; attr++) { + rc = sysdev_create_file(dev, *attr); + if (rc) + goto out_unreg; + } + return 0; +out_unreg: + for (; attr >= etr_port_attributes; attr--) + sysdev_remove_file(dev, *attr); + sysdev_unregister(dev); +out: + return rc; +} + +static void __init etr_unregister_port(struct sys_device *dev) +{ + struct sysdev_attribute **attr; + + for (attr = etr_port_attributes; *attr; attr++) + sysdev_remove_file(dev, *attr); + sysdev_unregister(dev); +} + +static int __init etr_init_sysfs(void) +{ + int rc; + + rc = sysdev_class_register(&etr_sysclass); + if (rc) + goto out; + rc = sysdev_class_create_file(&etr_sysclass, &attr_stepping_port); + if (rc) + goto out_unreg_class; + rc = sysdev_class_create_file(&etr_sysclass, &attr_stepping_mode); + if (rc) + goto out_remove_stepping_port; + rc = etr_register_port(&etr_port0_dev); + if (rc) + goto out_remove_stepping_mode; + rc = etr_register_port(&etr_port1_dev); + if (rc) + goto out_remove_port0; + return 0; + +out_remove_port0: + etr_unregister_port(&etr_port0_dev); +out_remove_stepping_mode: + sysdev_class_remove_file(&etr_sysclass, &attr_stepping_mode); +out_remove_stepping_port: + sysdev_class_remove_file(&etr_sysclass, &attr_stepping_port); +out_unreg_class: + sysdev_class_unregister(&etr_sysclass); +out: + return rc; } +device_initcall(etr_init_sysfs); diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c index 3cbb0dcf1f1..f0e5a320e2e 100644 --- a/arch/s390/kernel/traps.c +++ b/arch/s390/kernel/traps.c @@ -283,7 +283,7 @@ char *task_show_regs(struct task_struct *task, char *buffer) return buffer; } -DEFINE_SPINLOCK(die_lock); +static DEFINE_SPINLOCK(die_lock); void die(const char * str, struct pt_regs * regs, long err) { @@ -364,8 +364,7 @@ void __kprobes do_single_step(struct pt_regs *regs) force_sig(SIGTRAP, current); } -asmlinkage void -default_trap_handler(struct pt_regs * regs, long interruption_code) +static void default_trap_handler(struct pt_regs * regs, long interruption_code) { if (regs->psw.mask & PSW_MASK_PSTATE) { local_irq_enable(); @@ -376,7 +375,7 @@ default_trap_handler(struct pt_regs * regs, long interruption_code) } #define DO_ERROR_INFO(signr, str, name, sicode, siaddr) \ -asmlinkage void name(struct pt_regs * regs, long interruption_code) \ +static void name(struct pt_regs * regs, long interruption_code) \ { \ siginfo_t info; \ info.si_signo = signr; \ @@ -442,7 +441,7 @@ do_fp_trap(struct pt_regs *regs, void __user *location, "floating point exception", regs, &si); } -asmlinkage void illegal_op(struct pt_regs * regs, long interruption_code) +static void illegal_op(struct pt_regs * regs, long interruption_code) { siginfo_t info; __u8 opcode[6]; @@ -491,8 +490,15 @@ asmlinkage void illegal_op(struct pt_regs * regs, long interruption_code) #endif } else signal = SIGILL; - } else - signal = SIGILL; + } else { + /* + * If we get an illegal op in kernel mode, send it through the + * kprobes notifier. If kprobes doesn't pick it up, SIGILL + */ + if (notify_die(DIE_BPT, "bpt", regs, interruption_code, + 3, SIGTRAP) != NOTIFY_STOP) + signal = SIGILL; + } #ifdef CONFIG_MATHEMU if (signal == SIGFPE) @@ -585,7 +591,7 @@ DO_ERROR_INFO(SIGILL, "specification exception", specification_exception, ILL_ILLOPN, get_check_address(regs)); #endif -asmlinkage void data_exception(struct pt_regs * regs, long interruption_code) +static void data_exception(struct pt_regs * regs, long interruption_code) { __u16 __user *location; int signal = 0; @@ -675,7 +681,7 @@ asmlinkage void data_exception(struct pt_regs * regs, long interruption_code) } } -asmlinkage void space_switch_exception(struct pt_regs * regs, long int_code) +static void space_switch_exception(struct pt_regs * regs, long int_code) { siginfo_t info; diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S index fe0f2e97ba7..c30716ae130 100644 --- a/arch/s390/kernel/vmlinux.lds.S +++ b/arch/s390/kernel/vmlinux.lds.S @@ -31,18 +31,19 @@ SECTIONS _etext = .; /* End of text section */ - . = ALIGN(16); /* Exception table */ - __start___ex_table = .; - __ex_table : { *(__ex_table) } - __stop___ex_table = .; - RODATA #ifdef CONFIG_SHARED_KERNEL . = ALIGN(1048576); /* VM shared segments are 1MB aligned */ +#endif + . = ALIGN(4096); _eshared = .; /* End of shareable data */ -#endif + + . = ALIGN(16); /* Exception table */ + __start___ex_table = .; + __ex_table : { *(__ex_table) } + __stop___ex_table = .; .data : { /* Data */ *(.data) @@ -90,11 +91,14 @@ SECTIONS .con_initcall.init : { *(.con_initcall.init) } __con_initcall_end = .; SECURITY_INIT + +#ifdef CONFIG_BLK_DEV_INITRD . = ALIGN(256); __initramfs_start = .; .init.ramfs : { *(.init.initramfs) } . = ALIGN(2); __initramfs_end = .; +#endif . = ALIGN(256); __per_cpu_start = .; .data.percpu : { *(.data.percpu) } diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c index 21baaf5496d..9d5b02801b4 100644 --- a/arch/s390/kernel/vtime.c +++ b/arch/s390/kernel/vtime.c @@ -25,7 +25,7 @@ #include <asm/irq_regs.h> static ext_int_info_t ext_int_info_timer; -DEFINE_PER_CPU(struct vtimer_queue, virt_cpu_timer); +static DEFINE_PER_CPU(struct vtimer_queue, virt_cpu_timer); #ifdef CONFIG_VIRT_CPU_ACCOUNTING /* @@ -524,16 +524,15 @@ EXPORT_SYMBOL(del_virt_timer); void init_cpu_vtimer(void) { struct vtimer_queue *vt_list; - unsigned long cr0; /* kick the virtual timer */ S390_lowcore.exit_timer = VTIMER_MAX_SLICE; S390_lowcore.last_update_timer = VTIMER_MAX_SLICE; asm volatile ("SPT %0" : : "m" (S390_lowcore.last_update_timer)); asm volatile ("STCK %0" : "=m" (S390_lowcore.last_update_clock)); - __ctl_store(cr0, 0, 0); - cr0 |= 0x400; - __ctl_load(cr0, 0, 0); + + /* enable cpu timer interrupts */ + __ctl_set_bit(0,10); vt_list = &per_cpu(virt_cpu_timer, smp_processor_id()); INIT_LIST_HEAD(&vt_list->list); @@ -572,6 +571,7 @@ void __init vtime_init(void) if (register_idle_notifier(&vtimer_idle_nb)) panic("Couldn't register idle notifier"); + /* Enable cpu timer interrupts on the boot cpu. */ init_cpu_vtimer(); } diff --git a/arch/s390/lib/Makefile b/arch/s390/lib/Makefile index b5f94cf3bde..7a44fed21b3 100644 --- a/arch/s390/lib/Makefile +++ b/arch/s390/lib/Makefile @@ -4,7 +4,7 @@ EXTRA_AFLAGS := -traditional -lib-y += delay.o string.o uaccess_std.o uaccess_pt.o +lib-y += delay.o string.o uaccess_std.o uaccess_pt.o qrnnd.o lib-$(CONFIG_32BIT) += div64.o lib-$(CONFIG_64BIT) += uaccess_mvcos.o lib-$(CONFIG_SMP) += spinlock.o diff --git a/arch/s390/lib/delay.c b/arch/s390/lib/delay.c index 027c4742a00..02854449b74 100644 --- a/arch/s390/lib/delay.c +++ b/arch/s390/lib/delay.c @@ -1,5 +1,5 @@ /* - * arch/s390/kernel/delay.c + * arch/s390/lib/delay.c * Precise Delay Loops for S390 * * S390 version @@ -13,10 +13,8 @@ #include <linux/sched.h> #include <linux/delay.h> - -#ifdef CONFIG_SMP -#include <asm/smp.h> -#endif +#include <linux/timex.h> +#include <linux/irqflags.h> void __delay(unsigned long loops) { @@ -31,17 +29,39 @@ void __delay(unsigned long loops) } /* - * Waits for 'usecs' microseconds using the tod clock, giving up the time slice - * of the virtual PU inbetween to avoid congestion. + * Waits for 'usecs' microseconds using the TOD clock comparator. */ void __udelay(unsigned long usecs) { - uint64_t start_cc; + u64 end, time, jiffy_timer = 0; + unsigned long flags, cr0, mask, dummy; + + local_irq_save(flags); + if (raw_irqs_disabled_flags(flags)) { + jiffy_timer = S390_lowcore.jiffy_timer; + S390_lowcore.jiffy_timer = -1ULL - (4096 << 12); + __ctl_store(cr0, 0, 0); + dummy = (cr0 & 0xffff00e0) | 0x00000800; + __ctl_load(dummy , 0, 0); + mask = psw_kernel_bits | PSW_MASK_WAIT | PSW_MASK_EXT; + } else + mask = psw_kernel_bits | PSW_MASK_WAIT | + PSW_MASK_EXT | PSW_MASK_IO; + + end = get_clock() + ((u64) usecs << 12); + do { + time = end < S390_lowcore.jiffy_timer ? + end : S390_lowcore.jiffy_timer; + set_clock_comparator(time); + trace_hardirqs_on(); + __load_psw_mask(mask); + local_irq_disable(); + } while (get_clock() < end); - if (usecs == 0) - return; - start_cc = get_clock(); - do { - cpu_relax(); - } while (((get_clock() - start_cc)/4096) < usecs); + if (raw_irqs_disabled_flags(flags)) { + __ctl_load(cr0, 0, 0); + S390_lowcore.jiffy_timer = jiffy_timer; + } + set_clock_comparator(S390_lowcore.jiffy_timer); + local_irq_restore(flags); } diff --git a/arch/s390/lib/qrnnd.S b/arch/s390/lib/qrnnd.S new file mode 100644 index 00000000000..eb1df632e74 --- /dev/null +++ b/arch/s390/lib/qrnnd.S @@ -0,0 +1,77 @@ +# S/390 __udiv_qrnnd + +# r2 : &__r +# r3 : upper half of 64 bit word n +# r4 : lower half of 64 bit word n +# r5 : divisor d +# the reminder r of the division is to be stored to &__r and +# the quotient q is to be returned + + .text + .globl __udiv_qrnnd +__udiv_qrnnd: + st %r2,24(%r15) # store pointer to reminder for later + lr %r0,%r3 # reload n + lr %r1,%r4 + ltr %r2,%r5 # reload and test divisor + jp 5f + # divisor >= 0x80000000 + srdl %r0,2 # n/4 + srl %r2,1 # d/2 + slr %r1,%r2 # special case if last bit of d is set + brc 3,0f # (n/4) div (n/2) can overflow by 1 + ahi %r0,-1 # trick: subtract n/2, then divide +0: dr %r0,%r2 # signed division + ahi %r1,1 # trick part 2: add 1 to the quotient + # now (n >> 2) = (d >> 1) * %r1 + %r0 + lhi %r3,1 + nr %r3,%r1 # test last bit of q + jz 1f + alr %r0,%r2 # add (d>>1) to r +1: srl %r1,1 # q >>= 1 + # now (n >> 2) = (d&-2) * %r1 + %r0 + lhi %r3,1 + nr %r3,%r5 # test last bit of d + jz 2f + slr %r0,%r1 # r -= q + brc 3,2f # borrow ? + alr %r0,%r5 # r += d + ahi %r1,-1 +2: # now (n >> 2) = d * %r1 + %r0 + alr %r1,%r1 # q <<= 1 + alr %r0,%r0 # r <<= 1 + brc 12,3f # overflow on r ? + slr %r0,%r5 # r -= d + ahi %r1,1 # q += 1 +3: lhi %r3,2 + nr %r3,%r4 # test next to last bit of n + jz 4f + ahi %r0,1 # r += 1 +4: clr %r0,%r5 # r >= d ? + jl 6f + slr %r0,%r5 # r -= d + ahi %r1,1 # q += 1 + # now (n >> 1) = d * %r1 + %r0 + j 6f +5: # divisor < 0x80000000 + srdl %r0,1 + dr %r0,%r2 # signed division + # now (n >> 1) = d * %r1 + %r0 +6: alr %r1,%r1 # q <<= 1 + alr %r0,%r0 # r <<= 1 + brc 12,7f # overflow on r ? + slr %r0,%r5 # r -= d + ahi %r1,1 # q += 1 +7: lhi %r3,1 + nr %r3,%r4 # isolate last bit of n + alr %r0,%r3 # r += (n & 1) + clr %r0,%r5 # r >= d ? + jl 8f + slr %r0,%r5 # r -= d + ahi %r1,1 # q += 1 +8: # now n = d * %r1 + %r0 + l %r2,24(%r15) + st %r0,0(%r2) + lr %r2,%r1 + br %r14 + .end __udiv_qrnnd diff --git a/arch/s390/lib/uaccess.h b/arch/s390/lib/uaccess.h new file mode 100644 index 00000000000..126011df14f --- /dev/null +++ b/arch/s390/lib/uaccess.h @@ -0,0 +1,23 @@ +/* + * arch/s390/uaccess.h + * + * Copyright IBM Corp. 2007 + * + */ + +#ifndef __ARCH_S390_LIB_UACCESS_H +#define __ARCH_S390_LIB_UACCESS_H + +extern size_t copy_from_user_std(size_t, const void __user *, void *); +extern size_t copy_to_user_std(size_t, void __user *, const void *); +extern size_t strnlen_user_std(size_t, const char __user *); +extern size_t strncpy_from_user_std(size_t, const char __user *, char *); +extern int futex_atomic_cmpxchg_std(int __user *, int, int); +extern int futex_atomic_op_std(int, int __user *, int, int *); + +extern size_t copy_from_user_pt(size_t, const void __user *, void *); +extern size_t copy_to_user_pt(size_t, void __user *, const void *); +extern int futex_atomic_op_pt(int, int __user *, int, int *); +extern int futex_atomic_cmpxchg_pt(int __user *, int, int); + +#endif /* __ARCH_S390_LIB_UACCESS_H */ diff --git a/arch/s390/lib/uaccess_mvcos.c b/arch/s390/lib/uaccess_mvcos.c index f9a23d57eb7..6d8772339d7 100644 --- a/arch/s390/lib/uaccess_mvcos.c +++ b/arch/s390/lib/uaccess_mvcos.c @@ -12,6 +12,7 @@ #include <linux/mm.h> #include <asm/uaccess.h> #include <asm/futex.h> +#include "uaccess.h" #ifndef __s390x__ #define AHI "ahi" @@ -27,10 +28,7 @@ #define SLR "slgr" #endif -extern size_t copy_from_user_std(size_t, const void __user *, void *); -extern size_t copy_to_user_std(size_t, void __user *, const void *); - -size_t copy_from_user_mvcos(size_t size, const void __user *ptr, void *x) +static size_t copy_from_user_mvcos(size_t size, const void __user *ptr, void *x) { register unsigned long reg0 asm("0") = 0x81UL; unsigned long tmp1, tmp2; @@ -69,14 +67,14 @@ size_t copy_from_user_mvcos(size_t size, const void __user *ptr, void *x) return size; } -size_t copy_from_user_mvcos_check(size_t size, const void __user *ptr, void *x) +static size_t copy_from_user_mvcos_check(size_t size, const void __user *ptr, void *x) { if (size <= 256) return copy_from_user_std(size, ptr, x); return copy_from_user_mvcos(size, ptr, x); } -size_t copy_to_user_mvcos(size_t size, void __user *ptr, const void *x) +static size_t copy_to_user_mvcos(size_t size, void __user *ptr, const void *x) { register unsigned long reg0 asm("0") = 0x810000UL; unsigned long tmp1, tmp2; @@ -105,14 +103,16 @@ size_t copy_to_user_mvcos(size_t size, void __user *ptr, const void *x) return size; } -size_t copy_to_user_mvcos_check(size_t size, void __user *ptr, const void *x) +static size_t copy_to_user_mvcos_check(size_t size, void __user *ptr, + const void *x) { if (size <= 256) return copy_to_user_std(size, ptr, x); return copy_to_user_mvcos(size, ptr, x); } -size_t copy_in_user_mvcos(size_t size, void __user *to, const void __user *from) +static size_t copy_in_user_mvcos(size_t size, void __user *to, + const void __user *from) { register unsigned long reg0 asm("0") = 0x810081UL; unsigned long tmp1, tmp2; @@ -134,7 +134,7 @@ size_t copy_in_user_mvcos(size_t size, void __user *to, const void __user *from) return size; } -size_t clear_user_mvcos(size_t size, void __user *to) +static size_t clear_user_mvcos(size_t size, void __user *to) { register unsigned long reg0 asm("0") = 0x810000UL; unsigned long tmp1, tmp2; @@ -162,10 +162,43 @@ size_t clear_user_mvcos(size_t size, void __user *to) return size; } -extern size_t strnlen_user_std(size_t, const char __user *); -extern size_t strncpy_from_user_std(size_t, const char __user *, char *); -extern int futex_atomic_op(int, int __user *, int, int *); -extern int futex_atomic_cmpxchg(int __user *, int, int); +static size_t strnlen_user_mvcos(size_t count, const char __user *src) +{ + char buf[256]; + int rc; + size_t done, len, len_str; + + done = 0; + do { + len = min(count - done, (size_t) 256); + rc = uaccess.copy_from_user(len, src + done, buf); + if (unlikely(rc == len)) + return 0; + len -= rc; + len_str = strnlen(buf, len); + done += len_str; + } while ((len_str == len) && (done < count)); + return done + 1; +} + +static size_t strncpy_from_user_mvcos(size_t count, const char __user *src, + char *dst) +{ + int rc; + size_t done, len, len_str; + + done = 0; + do { + len = min(count - done, (size_t) 4096); + rc = uaccess.copy_from_user(len, src + done, dst); + if (unlikely(rc == len)) + return -EFAULT; + len -= rc; + len_str = strnlen(dst, len); + done += len_str; + } while ((len_str == len) && (done < count)); + return done; +} struct uaccess_ops uaccess_mvcos = { .copy_from_user = copy_from_user_mvcos_check, @@ -176,6 +209,21 @@ struct uaccess_ops uaccess_mvcos = { .clear_user = clear_user_mvcos, .strnlen_user = strnlen_user_std, .strncpy_from_user = strncpy_from_user_std, - .futex_atomic_op = futex_atomic_op, - .futex_atomic_cmpxchg = futex_atomic_cmpxchg, + .futex_atomic_op = futex_atomic_op_std, + .futex_atomic_cmpxchg = futex_atomic_cmpxchg_std, +}; + +#ifdef CONFIG_S390_SWITCH_AMODE +struct uaccess_ops uaccess_mvcos_switch = { + .copy_from_user = copy_from_user_mvcos, + .copy_from_user_small = copy_from_user_mvcos, + .copy_to_user = copy_to_user_mvcos, + .copy_to_user_small = copy_to_user_mvcos, + .copy_in_user = copy_in_user_mvcos, + .clear_user = clear_user_mvcos, + .strnlen_user = strnlen_user_mvcos, + .strncpy_from_user = strncpy_from_user_mvcos, + .futex_atomic_op = futex_atomic_op_pt, + .futex_atomic_cmpxchg = futex_atomic_cmpxchg_pt, }; +#endif diff --git a/arch/s390/lib/uaccess_pt.c b/arch/s390/lib/uaccess_pt.c index 49c3e46b406..63181671e3e 100644 --- a/arch/s390/lib/uaccess_pt.c +++ b/arch/s390/lib/uaccess_pt.c @@ -1,7 +1,8 @@ /* * arch/s390/lib/uaccess_pt.c * - * User access functions based on page table walks. + * User access functions based on page table walks for enhanced + * system layout without hardware support. * * Copyright IBM Corp. 2006 * Author(s): Gerald Schaefer (gerald.schaefer@de.ibm.com) @@ -12,9 +13,10 @@ #include <linux/mm.h> #include <asm/uaccess.h> #include <asm/futex.h> +#include "uaccess.h" -static inline int __handle_fault(struct mm_struct *mm, unsigned long address, - int write_access) +static int __handle_fault(struct mm_struct *mm, unsigned long address, + int write_access) { struct vm_area_struct *vma; int ret = -EFAULT; @@ -79,8 +81,8 @@ out_sigbus: return ret; } -static inline size_t __user_copy_pt(unsigned long uaddr, void *kptr, - size_t n, int write_user) +static size_t __user_copy_pt(unsigned long uaddr, void *kptr, + size_t n, int write_user) { struct mm_struct *mm = current->mm; unsigned long offset, pfn, done, size; @@ -133,6 +135,49 @@ fault: goto retry; } +/* + * Do DAT for user address by page table walk, return kernel address. + * This function needs to be called with current->mm->page_table_lock held. + */ +static unsigned long __dat_user_addr(unsigned long uaddr) +{ + struct mm_struct *mm = current->mm; + unsigned long pfn, ret; + pgd_t *pgd; + pmd_t *pmd; + pte_t *pte; + int rc; + + ret = 0; +retry: + pgd = pgd_offset(mm, uaddr); + if (pgd_none(*pgd) || unlikely(pgd_bad(*pgd))) + goto fault; + + pmd = pmd_offset(pgd, uaddr); + if (pmd_none(*pmd) || unlikely(pmd_bad(*pmd))) + goto fault; + + pte = pte_offset_map(pmd, uaddr); + if (!pte || !pte_present(*pte)) + goto fault; + + pfn = pte_pfn(*pte); + if (!pfn_valid(pfn)) + goto out; + + ret = (pfn << PAGE_SHIFT) + (uaddr & (PAGE_SIZE - 1)); +out: + return ret; +fault: + spin_unlock(&mm->page_table_lock); + rc = __handle_fault(mm, uaddr, 0); + spin_lock(&mm->page_table_lock); + if (rc) + goto out; + goto retry; +} + size_t copy_from_user_pt(size_t n, const void __user *from, void *to) { size_t rc; @@ -155,3 +200,277 @@ size_t copy_to_user_pt(size_t n, void __user *to, const void *from) } return __user_copy_pt((unsigned long) to, (void *) from, n, 1); } + +static size_t clear_user_pt(size_t n, void __user *to) +{ + long done, size, ret; + + if (segment_eq(get_fs(), KERNEL_DS)) { + memset((void __kernel __force *) to, 0, n); + return 0; + } + done = 0; + do { + if (n - done > PAGE_SIZE) + size = PAGE_SIZE; + else + size = n - done; + ret = __user_copy_pt((unsigned long) to + done, + &empty_zero_page, size, 1); + done += size; + if (ret) + return ret + n - done; + } while (done < n); + return 0; +} + +static size_t strnlen_user_pt(size_t count, const char __user *src) +{ + char *addr; + unsigned long uaddr = (unsigned long) src; + struct mm_struct *mm = current->mm; + unsigned long offset, pfn, done, len; + pgd_t *pgd; + pmd_t *pmd; + pte_t *pte; + size_t len_str; + + if (segment_eq(get_fs(), KERNEL_DS)) + return strnlen((const char __kernel __force *) src, count) + 1; + done = 0; +retry: + spin_lock(&mm->page_table_lock); + do { + pgd = pgd_offset(mm, uaddr); + if (pgd_none(*pgd) || unlikely(pgd_bad(*pgd))) + goto fault; + + pmd = pmd_offset(pgd, uaddr); + if (pmd_none(*pmd) || unlikely(pmd_bad(*pmd))) + goto fault; + + pte = pte_offset_map(pmd, uaddr); + if (!pte || !pte_present(*pte)) + goto fault; + + pfn = pte_pfn(*pte); + if (!pfn_valid(pfn)) { + done = -1; + goto out; + } + + offset = uaddr & (PAGE_SIZE-1); + addr = (char *)(pfn << PAGE_SHIFT) + offset; + len = min(count - done, PAGE_SIZE - offset); + len_str = strnlen(addr, len); + done += len_str; + uaddr += len_str; + } while ((len_str == len) && (done < count)); +out: + spin_unlock(&mm->page_table_lock); + return done + 1; +fault: + spin_unlock(&mm->page_table_lock); + if (__handle_fault(mm, uaddr, 0)) { + return 0; + } + goto retry; +} + +static size_t strncpy_from_user_pt(size_t count, const char __user *src, + char *dst) +{ + size_t n = strnlen_user_pt(count, src); + + if (!n) + return -EFAULT; + if (n > count) + n = count; + if (segment_eq(get_fs(), KERNEL_DS)) { + memcpy(dst, (const char __kernel __force *) src, n); + if (dst[n-1] == '\0') + return n-1; + else + return n; + } + if (__user_copy_pt((unsigned long) src, dst, n, 0)) + return -EFAULT; + if (dst[n-1] == '\0') + return n-1; + else + return n; +} + +static size_t copy_in_user_pt(size_t n, void __user *to, + const void __user *from) +{ + struct mm_struct *mm = current->mm; + unsigned long offset_from, offset_to, offset_max, pfn_from, pfn_to, + uaddr, done, size; + unsigned long uaddr_from = (unsigned long) from; + unsigned long uaddr_to = (unsigned long) to; + pgd_t *pgd_from, *pgd_to; + pmd_t *pmd_from, *pmd_to; + pte_t *pte_from, *pte_to; + int write_user; + + done = 0; +retry: + spin_lock(&mm->page_table_lock); + do { + pgd_from = pgd_offset(mm, uaddr_from); + if (pgd_none(*pgd_from) || unlikely(pgd_bad(*pgd_from))) { + uaddr = uaddr_from; + write_user = 0; + goto fault; + } + pgd_to = pgd_offset(mm, uaddr_to); + if (pgd_none(*pgd_to) || unlikely(pgd_bad(*pgd_to))) { + uaddr = uaddr_to; + write_user = 1; + goto fault; + } + + pmd_from = pmd_offset(pgd_from, uaddr_from); + if (pmd_none(*pmd_from) || unlikely(pmd_bad(*pmd_from))) { + uaddr = uaddr_from; + write_user = 0; + goto fault; + } + pmd_to = pmd_offset(pgd_to, uaddr_to); + if (pmd_none(*pmd_to) || unlikely(pmd_bad(*pmd_to))) { + uaddr = uaddr_to; + write_user = 1; + goto fault; + } + + pte_from = pte_offset_map(pmd_from, uaddr_from); + if (!pte_from || !pte_present(*pte_from)) { + uaddr = uaddr_from; + write_user = 0; + goto fault; + } + pte_to = pte_offset_map(pmd_to, uaddr_to); + if (!pte_to || !pte_present(*pte_to) || !pte_write(*pte_to)) { + uaddr = uaddr_to; + write_user = 1; + goto fault; + } + + pfn_from = pte_pfn(*pte_from); + if (!pfn_valid(pfn_from)) + goto out; + pfn_to = pte_pfn(*pte_to); + if (!pfn_valid(pfn_to)) + goto out; + + offset_from = uaddr_from & (PAGE_SIZE-1); + offset_to = uaddr_from & (PAGE_SIZE-1); + offset_max = max(offset_from, offset_to); + size = min(n - done, PAGE_SIZE - offset_max); + + memcpy((void *)(pfn_to << PAGE_SHIFT) + offset_to, + (void *)(pfn_from << PAGE_SHIFT) + offset_from, size); + done += size; + uaddr_from += size; + uaddr_to += size; + } while (done < n); +out: + spin_unlock(&mm->page_table_lock); + return n - done; +fault: + spin_unlock(&mm->page_table_lock); + if (__handle_fault(mm, uaddr, write_user)) + return n - done; + goto retry; +} + +#define __futex_atomic_op(insn, ret, oldval, newval, uaddr, oparg) \ + asm volatile("0: l %1,0(%6)\n" \ + "1: " insn \ + "2: cs %1,%2,0(%6)\n" \ + "3: jl 1b\n" \ + " lhi %0,0\n" \ + "4:\n" \ + EX_TABLE(0b,4b) EX_TABLE(2b,4b) EX_TABLE(3b,4b) \ + : "=d" (ret), "=&d" (oldval), "=&d" (newval), \ + "=m" (*uaddr) \ + : "0" (-EFAULT), "d" (oparg), "a" (uaddr), \ + "m" (*uaddr) : "cc" ); + +int futex_atomic_op_pt(int op, int __user *uaddr, int oparg, int *old) +{ + int oldval = 0, newval, ret; + + spin_lock(¤t->mm->page_table_lock); + uaddr = (int __user *) __dat_user_addr((unsigned long) uaddr); + if (!uaddr) { + spin_unlock(¤t->mm->page_table_lock); + return -EFAULT; + } + get_page(virt_to_page(uaddr)); + spin_unlock(¤t->mm->page_table_lock); + switch (op) { + case FUTEX_OP_SET: + __futex_atomic_op("lr %2,%5\n", + ret, oldval, newval, uaddr, oparg); + break; + case FUTEX_OP_ADD: + __futex_atomic_op("lr %2,%1\nar %2,%5\n", + ret, oldval, newval, uaddr, oparg); + break; + case FUTEX_OP_OR: + __futex_atomic_op("lr %2,%1\nor %2,%5\n", + ret, oldval, newval, uaddr, oparg); + break; + case FUTEX_OP_ANDN: + __futex_atomic_op("lr %2,%1\nnr %2,%5\n", + ret, oldval, newval, uaddr, oparg); + break; + case FUTEX_OP_XOR: + __futex_atomic_op("lr %2,%1\nxr %2,%5\n", + ret, oldval, newval, uaddr, oparg); + break; + default: + ret = -ENOSYS; + } + put_page(virt_to_page(uaddr)); + *old = oldval; + return ret; +} + +int futex_atomic_cmpxchg_pt(int __user *uaddr, int oldval, int newval) +{ + int ret; + + spin_lock(¤t->mm->page_table_lock); + uaddr = (int __user *) __dat_user_addr((unsigned long) uaddr); + if (!uaddr) { + spin_unlock(¤t->mm->page_table_lock); + return -EFAULT; + } + get_page(virt_to_page(uaddr)); + spin_unlock(¤t->mm->page_table_lock); + asm volatile(" cs %1,%4,0(%5)\n" + "0: lr %0,%1\n" + "1:\n" + EX_TABLE(0b,1b) + : "=d" (ret), "+d" (oldval), "=m" (*uaddr) + : "0" (-EFAULT), "d" (newval), "a" (uaddr), "m" (*uaddr) + : "cc", "memory" ); + put_page(virt_to_page(uaddr)); + return ret; +} + +struct uaccess_ops uaccess_pt = { + .copy_from_user = copy_from_user_pt, + .copy_from_user_small = copy_from_user_pt, + .copy_to_user = copy_to_user_pt, + .copy_to_user_small = copy_to_user_pt, + .copy_in_user = copy_in_user_pt, + .clear_user = clear_user_pt, + .strnlen_user = strnlen_user_pt, + .strncpy_from_user = strncpy_from_user_pt, + .futex_atomic_op = futex_atomic_op_pt, + .futex_atomic_cmpxchg = futex_atomic_cmpxchg_pt, +}; diff --git a/arch/s390/lib/uaccess_std.c b/arch/s390/lib/uaccess_std.c index 56a0214e992..28c4500a58d 100644 --- a/arch/s390/lib/uaccess_std.c +++ b/arch/s390/lib/uaccess_std.c @@ -13,6 +13,7 @@ #include <linux/mm.h> #include <linux/uaccess.h> #include <asm/futex.h> +#include "uaccess.h" #ifndef __s390x__ #define AHI "ahi" @@ -28,9 +29,6 @@ #define SLR "slgr" #endif -extern size_t copy_from_user_pt(size_t n, const void __user *from, void *to); -extern size_t copy_to_user_pt(size_t n, void __user *to, const void *from); - size_t copy_from_user_std(size_t size, const void __user *ptr, void *x) { unsigned long tmp1, tmp2; @@ -72,7 +70,8 @@ size_t copy_from_user_std(size_t size, const void __user *ptr, void *x) return size; } -size_t copy_from_user_std_check(size_t size, const void __user *ptr, void *x) +static size_t copy_from_user_std_check(size_t size, const void __user *ptr, + void *x) { if (size <= 1024) return copy_from_user_std(size, ptr, x); @@ -110,14 +109,16 @@ size_t copy_to_user_std(size_t size, void __user *ptr, const void *x) return size; } -size_t copy_to_user_std_check(size_t size, void __user *ptr, const void *x) +static size_t copy_to_user_std_check(size_t size, void __user *ptr, + const void *x) { if (size <= 1024) return copy_to_user_std(size, ptr, x); return copy_to_user_pt(size, ptr, x); } -size_t copy_in_user_std(size_t size, void __user *to, const void __user *from) +static size_t copy_in_user_std(size_t size, void __user *to, + const void __user *from) { unsigned long tmp1; @@ -148,7 +149,7 @@ size_t copy_in_user_std(size_t size, void __user *to, const void __user *from) return size; } -size_t clear_user_std(size_t size, void __user *to) +static size_t clear_user_std(size_t size, void __user *to) { unsigned long tmp1, tmp2; @@ -254,7 +255,7 @@ size_t strncpy_from_user_std(size_t size, const char __user *src, char *dst) : "0" (-EFAULT), "d" (oparg), "a" (uaddr), \ "m" (*uaddr) : "cc"); -int futex_atomic_op(int op, int __user *uaddr, int oparg, int *old) +int futex_atomic_op_std(int op, int __user *uaddr, int oparg, int *old) { int oldval = 0, newval, ret; @@ -286,7 +287,7 @@ int futex_atomic_op(int op, int __user *uaddr, int oparg, int *old) return ret; } -int futex_atomic_cmpxchg(int __user *uaddr, int oldval, int newval) +int futex_atomic_cmpxchg_std(int __user *uaddr, int oldval, int newval) { int ret; @@ -311,6 +312,6 @@ struct uaccess_ops uaccess_std = { .clear_user = clear_user_std, .strnlen_user = strnlen_user_std, .strncpy_from_user = strncpy_from_user_std, - .futex_atomic_op = futex_atomic_op, - .futex_atomic_cmpxchg = futex_atomic_cmpxchg, + .futex_atomic_op = futex_atomic_op_std, + .futex_atomic_cmpxchg = futex_atomic_cmpxchg_std, }; diff --git a/arch/s390/math-emu/Makefile b/arch/s390/math-emu/Makefile index c10df144f2a..73b3e72efc4 100644 --- a/arch/s390/math-emu/Makefile +++ b/arch/s390/math-emu/Makefile @@ -2,7 +2,7 @@ # Makefile for the FPU instruction emulation. # -obj-$(CONFIG_MATHEMU) := math.o qrnnd.o +obj-$(CONFIG_MATHEMU) := math.o EXTRA_CFLAGS := -I$(src) -Iinclude/math-emu -w EXTRA_AFLAGS := -traditional diff --git a/arch/s390/math-emu/math.c b/arch/s390/math-emu/math.c index 6b9aec5a2c1..3ee78ccb617 100644 --- a/arch/s390/math-emu/math.c +++ b/arch/s390/math-emu/math.c @@ -15,7 +15,7 @@ #include <asm/uaccess.h> #include <asm/lowcore.h> -#include "sfp-util.h" +#include <asm/sfp-util.h> #include <math-emu/soft-fp.h> #include <math-emu/single.h> #include <math-emu/double.h> diff --git a/arch/s390/math-emu/qrnnd.S b/arch/s390/math-emu/qrnnd.S deleted file mode 100644 index b01c2b648e2..00000000000 --- a/arch/s390/math-emu/qrnnd.S +++ /dev/null @@ -1,77 +0,0 @@ -# S/390 __udiv_qrnnd - -# r2 : &__r -# r3 : upper half of 64 bit word n -# r4 : lower half of 64 bit word n -# r5 : divisor d -# the reminder r of the division is to be stored to &__r and -# the quotient q is to be returned - - .text - .globl __udiv_qrnnd -__udiv_qrnnd: - st %r2,24(%r15) # store pointer to reminder for later - lr %r0,%r3 # reload n - lr %r1,%r4 - ltr %r2,%r5 # reload and test divisor - jp 5f - # divisor >= 0x80000000 - srdl %r0,2 # n/4 - srl %r2,1 # d/2 - slr %r1,%r2 # special case if last bit of d is set - brc 3,0f # (n/4) div (n/2) can overflow by 1 - ahi %r0,-1 # trick: subtract n/2, then divide -0: dr %r0,%r2 # signed division - ahi %r1,1 # trick part 2: add 1 to the quotient - # now (n >> 2) = (d >> 1) * %r1 + %r0 - lhi %r3,1 - nr %r3,%r1 # test last bit of q - jz 1f - alr %r0,%r2 # add (d>>1) to r -1: srl %r1,1 # q >>= 1 - # now (n >> 2) = (d&-2) * %r1 + %r0 - lhi %r3,1 - nr %r3,%r5 # test last bit of d - jz 2f - slr %r0,%r1 # r -= q - brc 3,2f # borrow ? - alr %r0,%r5 # r += d - ahi %r1,-1 -2: # now (n >> 2) = d * %r1 + %r0 - alr %r1,%r1 # q <<= 1 - alr %r0,%r0 # r <<= 1 - brc 12,3f # overflow on r ? - slr %r0,%r5 # r -= d - ahi %r1,1 # q += 1 -3: lhi %r3,2 - nr %r3,%r4 # test next to last bit of n - jz 4f - ahi %r0,1 # r += 1 -4: clr %r0,%r5 # r >= d ? - jl 6f - slr %r0,%r5 # r -= d - ahi %r1,1 # q += 1 - # now (n >> 1) = d * %r1 + %r0 - j 6f -5: # divisor < 0x80000000 - srdl %r0,1 - dr %r0,%r2 # signed division - # now (n >> 1) = d * %r1 + %r0 -6: alr %r1,%r1 # q <<= 1 - alr %r0,%r0 # r <<= 1 - brc 12,7f # overflow on r ? - slr %r0,%r5 # r -= d - ahi %r1,1 # q += 1 -7: lhi %r3,1 - nr %r3,%r4 # isolate last bit of n - alr %r0,%r3 # r += (n & 1) - clr %r0,%r5 # r >= d ? - jl 8f - slr %r0,%r5 # r -= d - ahi %r1,1 # q += 1 -8: # now n = d * %r1 + %r0 - l %r2,24(%r15) - st %r0,0(%r2) - lr %r2,%r1 - br %r14 - .end __udiv_qrnnd diff --git a/arch/s390/math-emu/sfp-util.h b/arch/s390/math-emu/sfp-util.h deleted file mode 100644 index 5b6ca4570ea..00000000000 --- a/arch/s390/math-emu/sfp-util.h +++ /dev/null @@ -1,66 +0,0 @@ -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/types.h> -#include <asm/byteorder.h> - -#define add_ssaaaa(sh, sl, ah, al, bh, bl) ({ \ - unsigned int __sh = (ah); \ - unsigned int __sl = (al); \ - asm volatile( \ - " alr %1,%3\n" \ - " brc 12,0f\n" \ - " ahi %0,1\n" \ - "0: alr %0,%2" \ - : "+&d" (__sh), "+d" (__sl) \ - : "d" (bh), "d" (bl) : "cc"); \ - (sh) = __sh; \ - (sl) = __sl; \ -}) - -#define sub_ddmmss(sh, sl, ah, al, bh, bl) ({ \ - unsigned int __sh = (ah); \ - unsigned int __sl = (al); \ - asm volatile( \ - " slr %1,%3\n" \ - " brc 3,0f\n" \ - " ahi %0,-1\n" \ - "0: slr %0,%2" \ - : "+&d" (__sh), "+d" (__sl) \ - : "d" (bh), "d" (bl) : "cc"); \ - (sh) = __sh; \ - (sl) = __sl; \ -}) - -/* a umul b = a mul b + (a>=2<<31) ? b<<32:0 + (b>=2<<31) ? a<<32:0 */ -#define umul_ppmm(wh, wl, u, v) ({ \ - unsigned int __wh = u; \ - unsigned int __wl = v; \ - asm volatile( \ - " ltr 1,%0\n" \ - " mr 0,%1\n" \ - " jnm 0f\n" \ - " alr 0,%1\n" \ - "0: ltr %1,%1\n" \ - " jnm 1f\n" \ - " alr 0,%0\n" \ - "1: lr %0,0\n" \ - " lr %1,1\n" \ - : "+d" (__wh), "+d" (__wl) \ - : : "0", "1", "cc"); \ - wh = __wh; \ - wl = __wl; \ -}) - -#define udiv_qrnnd(q, r, n1, n0, d) \ - do { unsigned long __r; \ - (q) = __udiv_qrnnd (&__r, (n1), (n0), (d)); \ - (r) = __r; \ - } while (0) -extern unsigned long __udiv_qrnnd (unsigned long *, unsigned long, - unsigned long , unsigned long); - -#define UDIV_NEEDS_NORMALIZATION 0 - -#define abort() return 0 - -#define __BYTE_ORDER __BIG_ENDIAN diff --git a/arch/s390/mm/Makefile b/arch/s390/mm/Makefile index 8e09db1edbb..f95449b29fa 100644 --- a/arch/s390/mm/Makefile +++ b/arch/s390/mm/Makefile @@ -2,6 +2,6 @@ # Makefile for the linux s390-specific parts of the memory manager. # -obj-y := init.o fault.o ioremap.o extmem.o mmap.o vmem.o +obj-y := init.o fault.o extmem.o mmap.o vmem.o obj-$(CONFIG_CMM) += cmm.o diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c index 607f50ead1f..f93a056869b 100644 --- a/arch/s390/mm/cmm.c +++ b/arch/s390/mm/cmm.c @@ -245,7 +245,7 @@ cmm_set_timeout(long nr, long seconds) cmm_set_timer(); } -static inline int +static int cmm_skip_blanks(char *cp, char **endp) { char *str; @@ -414,7 +414,7 @@ cmm_smsg_target(char *from, char *msg) } #endif -struct ctl_table_header *cmm_sysctl_header; +static struct ctl_table_header *cmm_sysctl_header; static int cmm_init (void) diff --git a/arch/s390/mm/extmem.c b/arch/s390/mm/extmem.c index 775bf19e742..394980b05e6 100644 --- a/arch/s390/mm/extmem.c +++ b/arch/s390/mm/extmem.c @@ -15,6 +15,7 @@ #include <linux/module.h> #include <linux/bootmem.h> #include <linux/ctype.h> +#include <linux/ioport.h> #include <asm/page.h> #include <asm/pgtable.h> #include <asm/ebcdic.h> @@ -70,6 +71,7 @@ struct qin64 { struct dcss_segment { struct list_head list; char dcss_name[8]; + char res_name[15]; unsigned long start_addr; unsigned long end; atomic_t ref_count; @@ -77,6 +79,7 @@ struct dcss_segment { unsigned int vm_segtype; struct qrange range[6]; int segcnt; + struct resource *res; }; static DEFINE_MUTEX(dcss_lock); @@ -88,7 +91,7 @@ static char *segtype_string[] = { "SW", "EW", "SR", "ER", "SN", "EN", "SC", * Create the 8 bytes, ebcdic VM segment name from * an ascii name. */ -static void inline +static void dcss_mkname(char *name, char *dcss_name) { int i; @@ -303,6 +306,29 @@ __segment_load (char *name, int do_nonshared, unsigned long *addr, unsigned long goto out_free; } + seg->res = kzalloc(sizeof(struct resource), GFP_KERNEL); + if (seg->res == NULL) { + rc = -ENOMEM; + goto out_shared; + } + seg->res->flags = IORESOURCE_BUSY | IORESOURCE_MEM; + seg->res->start = seg->start_addr; + seg->res->end = seg->end; + memcpy(&seg->res_name, seg->dcss_name, 8); + EBCASC(seg->res_name, 8); + seg->res_name[8] = '\0'; + strncat(seg->res_name, " (DCSS)", 7); + seg->res->name = seg->res_name; + rc = seg->vm_segtype; + if (rc == SEG_TYPE_SC || + ((rc == SEG_TYPE_SR || rc == SEG_TYPE_ER) && !do_nonshared)) + seg->res->flags |= IORESOURCE_READONLY; + if (request_resource(&iomem_resource, seg->res)) { + rc = -EBUSY; + kfree(seg->res); + goto out_shared; + } + if (do_nonshared) dcss_command = DCSS_LOADNSR; else @@ -316,12 +342,11 @@ __segment_load (char *name, int do_nonshared, unsigned long *addr, unsigned long rc = dcss_diag_translate_rc (seg->end); dcss_diag(DCSS_PURGESEG, seg->dcss_name, &seg->start_addr, &seg->end); - goto out_shared; + goto out_resource; } seg->do_nonshared = do_nonshared; atomic_set(&seg->ref_count, 1); list_add(&seg->list, &dcss_list); - rc = seg->vm_segtype; *addr = seg->start_addr; *end = seg->end; if (do_nonshared) @@ -329,12 +354,16 @@ __segment_load (char *name, int do_nonshared, unsigned long *addr, unsigned long "type %s in non-shared mode\n", name, (void*)seg->start_addr, (void*)seg->end, segtype_string[seg->vm_segtype]); - else + else { PRINT_INFO ("segment_load: loaded segment %s range %p .. %p " "type %s in shared mode\n", name, (void*)seg->start_addr, (void*)seg->end, segtype_string[seg->vm_segtype]); + } goto out; + out_resource: + release_resource(seg->res); + kfree(seg->res); out_shared: remove_shared_memory(seg->start_addr, seg->end - seg->start_addr + 1); out_free: @@ -401,6 +430,7 @@ segment_load (char *name, int do_nonshared, unsigned long *addr, * -ENOENT : no such segment (segment gone!) * -EAGAIN : segment is in use by other exploiters, try later * -EINVAL : no segment with the given name is currently loaded - name invalid + * -EBUSY : segment can temporarily not be used (overlaps with dcss) * 0 : operation succeeded */ int @@ -428,12 +458,24 @@ segment_modify_shared (char *name, int do_nonshared) rc = -EAGAIN; goto out_unlock; } - dcss_diag(DCSS_PURGESEG, seg->dcss_name, - &dummy, &dummy); - if (do_nonshared) + release_resource(seg->res); + if (do_nonshared) { dcss_command = DCSS_LOADNSR; - else - dcss_command = DCSS_LOADNOLY; + seg->res->flags &= ~IORESOURCE_READONLY; + } else { + dcss_command = DCSS_LOADNOLY; + if (seg->vm_segtype == SEG_TYPE_SR || + seg->vm_segtype == SEG_TYPE_ER) + seg->res->flags |= IORESOURCE_READONLY; + } + if (request_resource(&iomem_resource, seg->res)) { + PRINT_WARN("segment_modify_shared: could not reload segment %s" + " - overlapping resources\n", name); + rc = -EBUSY; + kfree(seg->res); + goto out_del; + } + dcss_diag(DCSS_PURGESEG, seg->dcss_name, &dummy, &dummy); diag_cc = dcss_diag(dcss_command, seg->dcss_name, &seg->start_addr, &seg->end); if (diag_cc > 1) { @@ -446,9 +488,9 @@ segment_modify_shared (char *name, int do_nonshared) rc = 0; goto out_unlock; out_del: + remove_shared_memory(seg->start_addr, seg->end - seg->start_addr + 1); list_del(&seg->list); - dcss_diag(DCSS_PURGESEG, seg->dcss_name, - &dummy, &dummy); + dcss_diag(DCSS_PURGESEG, seg->dcss_name, &dummy, &dummy); kfree(seg); out_unlock: mutex_unlock(&dcss_lock); @@ -478,6 +520,8 @@ segment_unload(char *name) } if (atomic_dec_return(&seg->ref_count) != 0) goto out_unlock; + release_resource(seg->res); + kfree(seg->res); remove_shared_memory(seg->start_addr, seg->end - seg->start_addr + 1); list_del(&seg->list); dcss_diag(DCSS_PURGESEG, seg->dcss_name, &dummy, &dummy); diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index cd85e34d870..641aef36ccc 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -52,7 +52,7 @@ extern int sysctl_userprocess_debug; extern void die(const char *,struct pt_regs *,long); #ifdef CONFIG_KPROBES -ATOMIC_NOTIFIER_HEAD(notify_page_fault_chain); +static ATOMIC_NOTIFIER_HEAD(notify_page_fault_chain); int register_page_fault_notifier(struct notifier_block *nb) { return atomic_notifier_chain_register(¬ify_page_fault_chain, nb); @@ -83,12 +83,10 @@ static inline int notify_page_fault(enum die_val val, const char *str, } #endif -extern spinlock_t timerlist_lock; /* * Unlock any spinlocks which will prevent us from getting the - * message out (timerlist_lock is acquired through the - * console unblank code) + * message out. */ void bust_spinlocks(int yes) { @@ -137,7 +135,9 @@ static int __check_access_register(struct pt_regs *regs, int error_code) /* * Check which address space the address belongs to. - * Returns 1 for user space and 0 for kernel space. + * May return 1 or 2 for user space and 0 for kernel space. + * Returns 2 for user space in primary addressing mode with + * CONFIG_S390_EXEC_PROTECT on and kernel parameter noexec=on. */ static inline int check_user_space(struct pt_regs *regs, int error_code) { @@ -154,7 +154,7 @@ static inline int check_user_space(struct pt_regs *regs, int error_code) return __check_access_register(regs, error_code); if (descriptor == 2) return current->thread.mm_segment.ar4; - return descriptor != 0; + return ((descriptor != 0) ^ (switch_amode)) << s390_noexec; } /* @@ -183,6 +183,77 @@ static void do_sigsegv(struct pt_regs *regs, unsigned long error_code, force_sig_info(SIGSEGV, &si, current); } +#ifdef CONFIG_S390_EXEC_PROTECT +extern long sys_sigreturn(struct pt_regs *regs); +extern long sys_rt_sigreturn(struct pt_regs *regs); +extern long sys32_sigreturn(struct pt_regs *regs); +extern long sys32_rt_sigreturn(struct pt_regs *regs); + +static inline void do_sigreturn(struct mm_struct *mm, struct pt_regs *regs, + int rt) +{ + up_read(&mm->mmap_sem); + clear_tsk_thread_flag(current, TIF_SINGLE_STEP); +#ifdef CONFIG_COMPAT + if (test_tsk_thread_flag(current, TIF_31BIT)) { + if (rt) + sys32_rt_sigreturn(regs); + else + sys32_sigreturn(regs); + return; + } +#endif /* CONFIG_COMPAT */ + if (rt) + sys_rt_sigreturn(regs); + else + sys_sigreturn(regs); + return; +} + +static int signal_return(struct mm_struct *mm, struct pt_regs *regs, + unsigned long address, unsigned long error_code) +{ + pgd_t *pgd; + pmd_t *pmd; + pte_t *pte; + u16 *instruction; + unsigned long pfn, uaddr = regs->psw.addr; + + spin_lock(&mm->page_table_lock); + pgd = pgd_offset(mm, uaddr); + if (pgd_none(*pgd) || unlikely(pgd_bad(*pgd))) + goto out_fault; + pmd = pmd_offset(pgd, uaddr); + if (pmd_none(*pmd) || unlikely(pmd_bad(*pmd))) + goto out_fault; + pte = pte_offset_map(pmd_offset(pgd_offset(mm, uaddr), uaddr), uaddr); + if (!pte || !pte_present(*pte)) + goto out_fault; + pfn = pte_pfn(*pte); + if (!pfn_valid(pfn)) + goto out_fault; + spin_unlock(&mm->page_table_lock); + + instruction = (u16 *) ((pfn << PAGE_SHIFT) + (uaddr & (PAGE_SIZE-1))); + if (*instruction == 0x0a77) + do_sigreturn(mm, regs, 0); + else if (*instruction == 0x0aad) + do_sigreturn(mm, regs, 1); + else { + printk("- XXX - do_exception: task = %s, primary, NO EXEC " + "-> SIGSEGV\n", current->comm); + up_read(&mm->mmap_sem); + current->thread.prot_addr = address; + current->thread.trap_no = error_code; + do_sigsegv(regs, error_code, SEGV_MAPERR, address); + } + return 0; +out_fault: + spin_unlock(&mm->page_table_lock); + return -EFAULT; +} +#endif /* CONFIG_S390_EXEC_PROTECT */ + /* * This routine handles page faults. It determines the address, * and the problem, and then passes it off to one of the appropriate @@ -260,6 +331,17 @@ do_exception(struct pt_regs *regs, unsigned long error_code, int is_protection) vma = find_vma(mm, address); if (!vma) goto bad_area; + +#ifdef CONFIG_S390_EXEC_PROTECT + if (unlikely((user_address == 2) && !(vma->vm_flags & VM_EXEC))) + if (!signal_return(mm, regs, address, error_code)) + /* + * signal_return() has done an up_read(&mm->mmap_sem) + * if it returns 0. + */ + return; +#endif + if (vma->vm_start <= address) goto good_area; if (!(vma->vm_flags & VM_GROWSDOWN)) @@ -452,8 +534,7 @@ void pfault_fini(void) : : "a" (&refbk), "m" (refbk) : "cc"); } -asmlinkage void -pfault_interrupt(__u16 error_code) +static void pfault_interrupt(__u16 error_code) { struct task_struct *tsk; __u16 subcode; diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c index 4bb21be3b00..b3e7c45efb6 100644 --- a/arch/s390/mm/init.c +++ b/arch/s390/mm/init.c @@ -25,7 +25,7 @@ #include <linux/bootmem.h> #include <linux/pfn.h> #include <linux/poison.h> - +#include <linux/initrd.h> #include <asm/processor.h> #include <asm/system.h> #include <asm/uaccess.h> @@ -95,20 +95,18 @@ static void __init setup_ro_region(void) pte_t new_pte; unsigned long address, end; - address = ((unsigned long)&__start_rodata) & PAGE_MASK; - end = PFN_ALIGN((unsigned long)&__end_rodata); + address = ((unsigned long)&_stext) & PAGE_MASK; + end = PFN_ALIGN((unsigned long)&_eshared); for (; address < end; address += PAGE_SIZE) { pgd = pgd_offset_k(address); pmd = pmd_offset(pgd, address); pte = pte_offset_kernel(pmd, address); new_pte = mk_pte_phys(address, __pgprot(_PAGE_RO)); - set_pte(pte, new_pte); + *pte = new_pte; } } -extern void vmem_map_init(void); - /* * paging_init() sets up the page tables */ @@ -125,11 +123,11 @@ void __init paging_init(void) #ifdef CONFIG_64BIT pgdir_k = (__pa(swapper_pg_dir) & PAGE_MASK) | _KERN_REGION_TABLE; for (i = 0; i < PTRS_PER_PGD; i++) - pgd_clear(pg_dir + i); + pgd_clear_kernel(pg_dir + i); #else pgdir_k = (__pa(swapper_pg_dir) & PAGE_MASK) | _KERNSEG_TABLE; for (i = 0; i < PTRS_PER_PGD; i++) - pmd_clear((pmd_t *)(pg_dir + i)); + pmd_clear_kernel((pmd_t *)(pg_dir + i)); #endif vmem_map_init(); setup_ro_region(); @@ -174,10 +172,8 @@ void __init mem_init(void) datasize >>10, initsize >> 10); printk("Write protected kernel read-only data: %#lx - %#lx\n", - (unsigned long)&__start_rodata, - PFN_ALIGN((unsigned long)&__end_rodata) - 1); - printk("Virtual memmap size: %ldk\n", - (max_pfn * sizeof(struct page)) >> 10); + (unsigned long)&_stext, + PFN_ALIGN((unsigned long)&_eshared) - 1); } void free_initmem(void) diff --git a/arch/s390/mm/ioremap.c b/arch/s390/mm/ioremap.c deleted file mode 100644 index 3d2100a4e20..00000000000 --- a/arch/s390/mm/ioremap.c +++ /dev/null @@ -1,58 +0,0 @@ -/* - * arch/s390/mm/ioremap.c - * - * S390 version - * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Hartmut Penner (hp@de.ibm.com) - * - * Derived from "arch/i386/mm/extable.c" - * (C) Copyright 1995 1996 Linus Torvalds - * - * Re-map IO memory to kernel address space so that we can access it. - * This is needed for high PCI addresses that aren't mapped in the - * 640k-1MB IO memory area on PC's - */ - -#include <linux/vmalloc.h> -#include <linux/mm.h> -#include <linux/io.h> -#include <asm/pgalloc.h> - -/* - * Generic mapping function (not visible outside): - */ - -/* - * Remap an arbitrary physical address space into the kernel virtual - * address space. Needed when the kernel wants to access high addresses - * directly. - */ -void * __ioremap(unsigned long phys_addr, unsigned long size, unsigned long flags) -{ - void * addr; - struct vm_struct * area; - - if (phys_addr < virt_to_phys(high_memory)) - return phys_to_virt(phys_addr); - if (phys_addr & ~PAGE_MASK) - return NULL; - size = PAGE_ALIGN(size); - if (!size || size > phys_addr + size) - return NULL; - area = get_vm_area(size, VM_IOREMAP); - if (!area) - return NULL; - addr = area->addr; - if (ioremap_page_range((unsigned long)addr, (unsigned long)addr + size, - phys_addr, __pgprot(flags))) { - vfree(addr); - return NULL; - } - return addr; -} - -void iounmap(void *addr) -{ - if (addr > high_memory) - vfree(addr); -} diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c index cd3d93e8c21..92a56519002 100644 --- a/arch/s390/mm/vmem.c +++ b/arch/s390/mm/vmem.c @@ -82,7 +82,7 @@ static inline pmd_t *vmem_pmd_alloc(void) if (!pmd) return NULL; for (i = 0; i < PTRS_PER_PMD; i++) - pmd_clear(pmd + i); + pmd_clear_kernel(pmd + i); return pmd; } @@ -97,7 +97,7 @@ static inline pte_t *vmem_pte_alloc(void) return NULL; pte_val(empty_pte) = _PAGE_TYPE_EMPTY; for (i = 0; i < PTRS_PER_PTE; i++) - set_pte(pte + i, empty_pte); + pte[i] = empty_pte; return pte; } @@ -119,7 +119,7 @@ static int vmem_add_range(unsigned long start, unsigned long size) pm_dir = vmem_pmd_alloc(); if (!pm_dir) goto out; - pgd_populate(&init_mm, pg_dir, pm_dir); + pgd_populate_kernel(&init_mm, pg_dir, pm_dir); } pm_dir = pmd_offset(pg_dir, address); @@ -132,7 +132,7 @@ static int vmem_add_range(unsigned long start, unsigned long size) pt_dir = pte_offset_kernel(pm_dir, address); pte = pfn_pte(address >> PAGE_SHIFT, PAGE_KERNEL); - set_pte(pt_dir, pte); + *pt_dir = pte; } ret = 0; out: @@ -161,7 +161,7 @@ static void vmem_remove_range(unsigned long start, unsigned long size) if (pmd_none(*pm_dir)) continue; pt_dir = pte_offset_kernel(pm_dir, address); - set_pte(pt_dir, pte); + *pt_dir = pte; } flush_tlb_kernel_range(start, start + size); } @@ -191,7 +191,7 @@ static int vmem_add_mem_map(unsigned long start, unsigned long size) pm_dir = vmem_pmd_alloc(); if (!pm_dir) goto out; - pgd_populate(&init_mm, pg_dir, pm_dir); + pgd_populate_kernel(&init_mm, pg_dir, pm_dir); } pm_dir = pmd_offset(pg_dir, address); @@ -210,7 +210,7 @@ static int vmem_add_mem_map(unsigned long start, unsigned long size) if (!new_page) goto out; pte = pfn_pte(new_page >> PAGE_SHIFT, PAGE_KERNEL); - set_pte(pt_dir, pte); + *pt_dir = pte; } } ret = 0; diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 3aa3b885ab3..4f3891215b8 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -48,6 +48,9 @@ config GENERIC_IOMAP config GENERIC_TIME def_bool n +config SYS_SUPPORTS_APM_EMULATION + bool + config ARCH_MAY_HAVE_PC_FDC bool @@ -126,6 +129,7 @@ config SH_7751_SYSTEMH config SH_HP6XX bool "HP6XX" + select SYS_SUPPORTS_APM_EMULATION help Select HP6XX if configuring for a HP jornada HP6xx. More information (hardware only) at @@ -694,9 +698,6 @@ depends on EXPERIMENTAL source kernel/power/Kconfig -config APM - bool "Advanced Power Management Emulation" - depends on PM endmenu source "net/Kconfig" diff --git a/arch/sh/boards/hp6xx/hp6xx_apm.c b/arch/sh/boards/hp6xx/hp6xx_apm.c index d146cdaa0b8..d1c1460c8a0 100644 --- a/arch/sh/boards/hp6xx/hp6xx_apm.c +++ b/arch/sh/boards/hp6xx/hp6xx_apm.c @@ -7,12 +7,11 @@ * modify it under the terms of the GNU General Public License. */ #include <linux/module.h> -#include <linux/apm_bios.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/interrupt.h> -#include <asm/io.h> -#include <asm/apm.h> +#include <linux/apm-emulation.h> +#include <linux/io.h> #include <asm/adc.h> #include <asm/hp6xx.h> @@ -27,60 +26,41 @@ #define MODNAME "hp6x0_apm" -static int hp6x0_apm_get_info(char *buf, char **start, off_t fpos, int length) +static void hp6x0_apm_get_power_status(struct apm_power_info *info) { + int battery, backup, charging, percentage; u8 pgdr; - char *p; - int battery_status; - int battery_flag; - int ac_line_status; - int time_units = APM_BATTERY_LIFE_UNKNOWN; - int battery = adc_single(ADC_CHANNEL_BATTERY); - int backup = adc_single(ADC_CHANNEL_BACKUP); - int charging = adc_single(ADC_CHANNEL_CHARGE); - int percentage; + battery = adc_single(ADC_CHANNEL_BATTERY); + backup = adc_single(ADC_CHANNEL_BACKUP); + charging = adc_single(ADC_CHANNEL_CHARGE); percentage = 100 * (battery - HP680_BATTERY_MIN) / (HP680_BATTERY_MAX - HP680_BATTERY_MIN); - ac_line_status = (battery > HP680_BATTERY_AC_ON) ? + info->ac_line_status = (battery > HP680_BATTERY_AC_ON) ? APM_AC_ONLINE : APM_AC_OFFLINE; - p = buf; - pgdr = ctrl_inb(SH7709_PGDR); if (pgdr & PGDR_MAIN_BATTERY_OUT) { - battery_status = APM_BATTERY_STATUS_NOT_PRESENT; - battery_flag = 0x80; - percentage = -1; - } else if (charging < 8 ) { - battery_status = APM_BATTERY_STATUS_CHARGING; - battery_flag = 0x08; - ac_line_status = 0xff; + info->battery_status = APM_BATTERY_STATUS_NOT_PRESENT; + info->battery_flag = 0x80; + } else if (charging < 8) { + info->battery_status = APM_BATTERY_STATUS_CHARGING; + info->battery_flag = 0x08; + info->ac_line_status = 0xff; } else if (percentage <= APM_CRITICAL) { - battery_status = APM_BATTERY_STATUS_CRITICAL; - battery_flag = 0x04; + info->battery_status = APM_BATTERY_STATUS_CRITICAL; + info->battery_flag = 0x04; } else if (percentage <= APM_LOW) { - battery_status = APM_BATTERY_STATUS_LOW; - battery_flag = 0x02; + info->battery_status = APM_BATTERY_STATUS_LOW; + info->battery_flag = 0x02; } else { - battery_status = APM_BATTERY_STATUS_HIGH; - battery_flag = 0x01; + info->battery_status = APM_BATTERY_STATUS_HIGH; + info->battery_flag = 0x01; } - p += sprintf(p, "1.0 1.2 0x%02x 0x%02x 0x%02x 0x%02x %d%% %d %s\n", - APM_32_BIT_SUPPORT, - ac_line_status, - battery_status, - battery_flag, - percentage, - time_units, - "min"); - p += sprintf(p, "bat=%d backup=%d charge=%d\n", - battery, backup, charging); - - return p - buf; + info->units = 0; } static irqreturn_t hp6x0_apm_interrupt(int irq, void *dev) @@ -96,14 +76,14 @@ static int __init hp6x0_apm_init(void) int ret; ret = request_irq(HP680_BTN_IRQ, hp6x0_apm_interrupt, - IRQF_DISABLED, MODNAME, 0); + IRQF_DISABLED, MODNAME, NULL); if (unlikely(ret < 0)) { printk(KERN_ERR MODNAME ": IRQ %d request failed\n", HP680_BTN_IRQ); return ret; } - apm_get_info = hp6x0_apm_get_info; + apm_get_power_status = hp6x0_apm_get_power_status; return ret; } @@ -111,7 +91,7 @@ static int __init hp6x0_apm_init(void) static void __exit hp6x0_apm_exit(void) { free_irq(HP680_BTN_IRQ, 0); - apm_get_info = 0; + apm_get_info = NULL; } module_init(hp6x0_apm_init); diff --git a/arch/sh/boards/landisk/landisk_pwb.c b/arch/sh/boards/landisk/landisk_pwb.c index e6252497816..47a63c6617e 100644 --- a/arch/sh/boards/landisk/landisk_pwb.c +++ b/arch/sh/boards/landisk/landisk_pwb.c @@ -150,7 +150,7 @@ static irqreturn_t sw_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } -static struct file_operations swdrv_fops = { +static const struct file_operations swdrv_fops = { .read = swdrv_read, /* read */ .write = swdrv_write, /* write */ .open = swdrv_open, /* open */ diff --git a/arch/sh/kernel/Makefile b/arch/sh/kernel/Makefile index 99c7e5249f7..2f6d2bcb1c9 100644 --- a/arch/sh/kernel/Makefile +++ b/arch/sh/kernel/Makefile @@ -19,6 +19,5 @@ obj-$(CONFIG_SH_CPU_FREQ) += cpufreq.o obj-$(CONFIG_MODULES) += module.o obj-$(CONFIG_EARLY_PRINTK) += early_printk.o obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o -obj-$(CONFIG_APM) += apm.o obj-$(CONFIG_PM) += pm.o obj-$(CONFIG_STACKTRACE) += stacktrace.o diff --git a/arch/sh/kernel/apm.c b/arch/sh/kernel/apm.c deleted file mode 100644 index 4f66f91b100..00000000000 --- a/arch/sh/kernel/apm.c +++ /dev/null @@ -1,538 +0,0 @@ -/* - * bios-less APM driver for hp680 - * - * Copyright 2005 (c) Andriy Skulysh <askulysh@gmail.com> - * - * based on ARM APM driver by - * Jamey Hicks <jamey@crl.dec.com> - * - * adapted from the APM BIOS driver for Linux by - * Stephen Rothwell (sfr@linuxcare.com) - * - * APM 1.2 Reference: - * Intel Corporation, Microsoft Corporation. Advanced Power Management - * (APM) BIOS Interface Specification, Revision 1.2, February 1996. - * - * [This document is available from Microsoft at: - * http://www.microsoft.com/hwdev/busbios/amp_12.htm] - */ -#include <linux/module.h> -#include <linux/poll.h> -#include <linux/timer.h> -#include <linux/slab.h> -#include <linux/proc_fs.h> -#include <linux/miscdevice.h> -#include <linux/apm_bios.h> -#include <linux/pm.h> -#include <linux/pm_legacy.h> -#include <asm/apm.h> - -#define MODNAME "apm" - -/* - * The apm_bios device is one of the misc char devices. - * This is its minor number. - */ -#define APM_MINOR_DEV 134 - -/* - * Maximum number of events stored - */ -#define APM_MAX_EVENTS 16 - -struct apm_queue { - unsigned int event_head; - unsigned int event_tail; - apm_event_t events[APM_MAX_EVENTS]; -}; - -/* - * The per-file APM data - */ -struct apm_user { - struct list_head list; - - unsigned int suser: 1; - unsigned int writer: 1; - unsigned int reader: 1; - - int suspend_result; - unsigned int suspend_state; -#define SUSPEND_NONE 0 /* no suspend pending */ -#define SUSPEND_PENDING 1 /* suspend pending read */ -#define SUSPEND_READ 2 /* suspend read, pending ack */ -#define SUSPEND_ACKED 3 /* suspend acked */ -#define SUSPEND_DONE 4 /* suspend completed */ - - struct apm_queue queue; -}; - -/* - * Local variables - */ -static int suspends_pending; - -static DECLARE_WAIT_QUEUE_HEAD(apm_waitqueue); -static DECLARE_WAIT_QUEUE_HEAD(apm_suspend_waitqueue); - -/* - * This is a list of everyone who has opened /dev/apm_bios - */ -static DECLARE_RWSEM(user_list_lock); -static LIST_HEAD(apm_user_list); - -/* - * kapmd info. kapmd provides us a process context to handle - * "APM" events within - specifically necessary if we're going - * to be suspending the system. - */ -static DECLARE_WAIT_QUEUE_HEAD(kapmd_wait); -static DECLARE_COMPLETION(kapmd_exit); -static DEFINE_SPINLOCK(kapmd_queue_lock); -static struct apm_queue kapmd_queue; - -int apm_suspended; -EXPORT_SYMBOL(apm_suspended); - -/* Platform-specific apm_read_proc(). */ -int (*apm_get_info)(char *buf, char **start, off_t fpos, int length); -EXPORT_SYMBOL(apm_get_info); - -/* - * APM event queue management. - */ -static inline int queue_empty(struct apm_queue *q) -{ - return q->event_head == q->event_tail; -} - -static inline apm_event_t queue_get_event(struct apm_queue *q) -{ - q->event_tail = (q->event_tail + 1) % APM_MAX_EVENTS; - return q->events[q->event_tail]; -} - -static void queue_add_event(struct apm_queue *q, apm_event_t event) -{ - q->event_head = (q->event_head + 1) % APM_MAX_EVENTS; - if (q->event_head == q->event_tail) { - static int notified; - - if (notified++ == 0) - printk(KERN_ERR "apm: an event queue overflowed\n"); - - q->event_tail = (q->event_tail + 1) % APM_MAX_EVENTS; - } - q->events[q->event_head] = event; -} - -static void queue_event_one_user(struct apm_user *as, apm_event_t event) -{ - if (as->suser && as->writer) { - switch (event) { - case APM_SYS_SUSPEND: - case APM_USER_SUSPEND: - /* - * If this user already has a suspend pending, - * don't queue another one. - */ - if (as->suspend_state != SUSPEND_NONE) - return; - - as->suspend_state = SUSPEND_PENDING; - suspends_pending++; - break; - } - } - queue_add_event(&as->queue, event); -} - -static void queue_event(apm_event_t event, struct apm_user *sender) -{ - struct apm_user *as; - - down_read(&user_list_lock); - - list_for_each_entry(as, &apm_user_list, list) - if (as != sender && as->reader) - queue_event_one_user(as, event); - - up_read(&user_list_lock); - wake_up_interruptible(&apm_waitqueue); -} - -/** - * apm_queue_event - queue an APM event for kapmd - * @event: APM event - * - * Queue an APM event for kapmd to process and ultimately take the - * appropriate action. Only a subset of events are handled: - * %APM_LOW_BATTERY - * %APM_POWER_STATUS_CHANGE - * %APM_USER_SUSPEND - * %APM_SYS_SUSPEND - * %APM_CRITICAL_SUSPEND - */ -void apm_queue_event(apm_event_t event) -{ - spin_lock_irq(&kapmd_queue_lock); - queue_add_event(&kapmd_queue, event); - spin_unlock_irq(&kapmd_queue_lock); - - wake_up_interruptible(&kapmd_wait); -} -EXPORT_SYMBOL(apm_queue_event); - -static void apm_suspend(void) -{ - struct apm_user *as; - int err; - - apm_suspended = 1; - err = pm_suspend(PM_SUSPEND_MEM); - - /* - * Anyone on the APM queues will think we're still suspended. - * Send a message so everyone knows we're now awake again. - */ - queue_event(APM_NORMAL_RESUME, NULL); - - /* - * Finally, wake up anyone who is sleeping on the suspend. - */ - down_read(&user_list_lock); - list_for_each_entry(as, &apm_user_list, list) { - as->suspend_result = err; - as->suspend_state = SUSPEND_DONE; - } - up_read(&user_list_lock); - - wake_up(&apm_suspend_waitqueue); - apm_suspended = 0; -} - -static ssize_t apm_read(struct file *fp, char __user *buf, - size_t count, loff_t *ppos) -{ - struct apm_user *as = fp->private_data; - apm_event_t event; - int i = count, ret = 0; - - if (count < sizeof(apm_event_t)) - return -EINVAL; - - if (queue_empty(&as->queue) && fp->f_flags & O_NONBLOCK) - return -EAGAIN; - - wait_event_interruptible(apm_waitqueue, !queue_empty(&as->queue)); - - while ((i >= sizeof(event)) && !queue_empty(&as->queue)) { - event = queue_get_event(&as->queue); - - ret = -EFAULT; - if (copy_to_user(buf, &event, sizeof(event))) - break; - - if (event == APM_SYS_SUSPEND || event == APM_USER_SUSPEND) - as->suspend_state = SUSPEND_READ; - - buf += sizeof(event); - i -= sizeof(event); - } - - if (i < count) - ret = count - i; - - return ret; -} - -static unsigned int apm_poll(struct file *fp, poll_table * wait) -{ - struct apm_user *as = fp->private_data; - - poll_wait(fp, &apm_waitqueue, wait); - return queue_empty(&as->queue) ? 0 : POLLIN | POLLRDNORM; -} - -/* - * apm_ioctl - handle APM ioctl - * - * APM_IOC_SUSPEND - * This IOCTL is overloaded, and performs two functions. It is used to: - * - initiate a suspend - * - acknowledge a suspend read from /dev/apm_bios. - * Only when everyone who has opened /dev/apm_bios with write permission - * has acknowledge does the actual suspend happen. - */ -static int -apm_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg) -{ - struct apm_user *as = filp->private_data; - unsigned long flags; - int err = -EINVAL; - - if (!as->suser || !as->writer) - return -EPERM; - - switch (cmd) { - case APM_IOC_SUSPEND: - as->suspend_result = -EINTR; - - if (as->suspend_state == SUSPEND_READ) { - /* - * If we read a suspend command from /dev/apm_bios, - * then the corresponding APM_IOC_SUSPEND ioctl is - * interpreted as an acknowledge. - */ - as->suspend_state = SUSPEND_ACKED; - suspends_pending--; - } else { - /* - * Otherwise it is a request to suspend the system. - * Queue an event for all readers, and expect an - * acknowledge from all writers who haven't already - * acknowledged. - */ - queue_event(APM_USER_SUSPEND, as); - } - - /* - * If there are no further acknowledges required, suspend - * the system. - */ - if (suspends_pending == 0) - apm_suspend(); - - /* - * Wait for the suspend/resume to complete. If there are - * pending acknowledges, we wait here for them. - * - * Note that we need to ensure that the PM subsystem does - * not kick us out of the wait when it suspends the threads. - */ - flags = current->flags; - current->flags |= PF_NOFREEZE; - - /* - * Note: do not allow a thread which is acking the suspend - * to escape until the resume is complete. - */ - if (as->suspend_state == SUSPEND_ACKED) - wait_event(apm_suspend_waitqueue, - as->suspend_state == SUSPEND_DONE); - else - wait_event_interruptible(apm_suspend_waitqueue, - as->suspend_state == SUSPEND_DONE); - - current->flags = flags; - err = as->suspend_result; - as->suspend_state = SUSPEND_NONE; - break; - } - - return err; -} - -static int apm_release(struct inode * inode, struct file * filp) -{ - struct apm_user *as = filp->private_data; - filp->private_data = NULL; - - down_write(&user_list_lock); - list_del(&as->list); - up_write(&user_list_lock); - - /* - * We are now unhooked from the chain. As far as new - * events are concerned, we no longer exist. However, we - * need to balance suspends_pending, which means the - * possibility of sleeping. - */ - if (as->suspend_state != SUSPEND_NONE) { - suspends_pending -= 1; - if (suspends_pending == 0) - apm_suspend(); - } - - kfree(as); - return 0; -} - -static int apm_open(struct inode * inode, struct file * filp) -{ - struct apm_user *as; - - as = kzalloc(sizeof(*as), GFP_KERNEL); - if (as) { - /* - * XXX - this is a tiny bit broken, when we consider BSD - * process accounting. If the device is opened by root, we - * instantly flag that we used superuser privs. Who knows, - * we might close the device immediately without doing a - * privileged operation -- cevans - */ - as->suser = capable(CAP_SYS_ADMIN); - as->writer = (filp->f_mode & FMODE_WRITE) == FMODE_WRITE; - as->reader = (filp->f_mode & FMODE_READ) == FMODE_READ; - - down_write(&user_list_lock); - list_add(&as->list, &apm_user_list); - up_write(&user_list_lock); - - filp->private_data = as; - } - - return as ? 0 : -ENOMEM; -} - -static struct file_operations apm_bios_fops = { - .owner = THIS_MODULE, - .read = apm_read, - .poll = apm_poll, - .ioctl = apm_ioctl, - .open = apm_open, - .release = apm_release, -}; - -static struct miscdevice apm_device = { - .minor = APM_MINOR_DEV, - .name = "apm_bios", - .fops = &apm_bios_fops -}; - - -#ifdef CONFIG_PROC_FS -/* - * Arguments, with symbols from linux/apm_bios.h. - * - * 0) Linux driver version (this will change if format changes) - * 1) APM BIOS Version. Usually 1.0, 1.1 or 1.2. - * 2) APM flags from APM Installation Check (0x00): - * bit 0: APM_16_BIT_SUPPORT - * bit 1: APM_32_BIT_SUPPORT - * bit 2: APM_IDLE_SLOWS_CLOCK - * bit 3: APM_BIOS_DISABLED - * bit 4: APM_BIOS_DISENGAGED - * 3) AC line status - * 0x00: Off-line - * 0x01: On-line - * 0x02: On backup power (BIOS >= 1.1 only) - * 0xff: Unknown - * 4) Battery status - * 0x00: High - * 0x01: Low - * 0x02: Critical - * 0x03: Charging - * 0x04: Selected battery not present (BIOS >= 1.2 only) - * 0xff: Unknown - * 5) Battery flag - * bit 0: High - * bit 1: Low - * bit 2: Critical - * bit 3: Charging - * bit 7: No system battery - * 0xff: Unknown - * 6) Remaining battery life (percentage of charge): - * 0-100: valid - * -1: Unknown - * 7) Remaining battery life (time units): - * Number of remaining minutes or seconds - * -1: Unknown - * 8) min = minutes; sec = seconds - */ -static int apm_read_proc(char *buf, char **start, off_t fpos, int length) -{ - if (likely(apm_get_info)) - return apm_get_info(buf, start, fpos, length); - - return -EINVAL; -} -#endif - -static int kapmd(void *arg) -{ - daemonize("kapmd"); - current->flags |= PF_NOFREEZE; - - do { - apm_event_t event; - - wait_event_interruptible(kapmd_wait, - !queue_empty(&kapmd_queue) || !pm_active); - - if (!pm_active) - break; - - spin_lock_irq(&kapmd_queue_lock); - event = 0; - if (!queue_empty(&kapmd_queue)) - event = queue_get_event(&kapmd_queue); - spin_unlock_irq(&kapmd_queue_lock); - - switch (event) { - case 0: - break; - - case APM_LOW_BATTERY: - case APM_POWER_STATUS_CHANGE: - queue_event(event, NULL); - break; - - case APM_USER_SUSPEND: - case APM_SYS_SUSPEND: - queue_event(event, NULL); - if (suspends_pending == 0) - apm_suspend(); - break; - - case APM_CRITICAL_SUSPEND: - apm_suspend(); - break; - } - } while (1); - - complete_and_exit(&kapmd_exit, 0); -} - -static int __init apm_init(void) -{ - int ret; - - pm_active = 1; - - ret = kernel_thread(kapmd, NULL, CLONE_KERNEL); - if (unlikely(ret < 0)) { - pm_active = 0; - return ret; - } - - create_proc_info_entry("apm", 0, NULL, apm_read_proc); - - ret = misc_register(&apm_device); - if (unlikely(ret != 0)) { - remove_proc_entry("apm", NULL); - - pm_active = 0; - wake_up(&kapmd_wait); - wait_for_completion(&kapmd_exit); - } - - return ret; -} - -static void __exit apm_exit(void) -{ - misc_deregister(&apm_device); - remove_proc_entry("apm", NULL); - - pm_active = 0; - wake_up(&kapmd_wait); - wait_for_completion(&kapmd_exit); -} - -module_init(apm_init); -module_exit(apm_exit); - -MODULE_AUTHOR("Stephen Rothwell, Andriy Skulysh"); -MODULE_DESCRIPTION("Advanced Power Management"); -MODULE_LICENSE("GPL"); diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c index 225f9ea5cdd..d6b817aa568 100644 --- a/arch/sh/kernel/setup.c +++ b/arch/sh/kernel/setup.c @@ -75,7 +75,7 @@ static struct sh_machine_vector* __init get_mv_byname(const char* name); #define RAMDISK_PROMPT_FLAG 0x8000 #define RAMDISK_LOAD_FLAG 0x4000 -static char command_line[COMMAND_LINE_SIZE] = { 0, }; +static char __initdata command_line[COMMAND_LINE_SIZE] = { 0, }; static struct resource code_resource = { .name = "Kernel code", }; static struct resource data_resource = { .name = "Kernel data", }; @@ -90,8 +90,8 @@ static inline void parse_cmdline (char ** cmdline_p, char mv_name[MV_NAME_SIZE], int len = 0; /* Save unparsed command line copy for /proc/cmdline */ - memcpy(saved_command_line, COMMAND_LINE, COMMAND_LINE_SIZE); - saved_command_line[COMMAND_LINE_SIZE-1] = '\0'; + memcpy(boot_command_line, COMMAND_LINE, COMMAND_LINE_SIZE); + boot_command_line[COMMAND_LINE_SIZE-1] = '\0'; memory_start = (unsigned long)PAGE_OFFSET+__MEMORY_START; memory_end = memory_start + __MEMORY_SIZE; diff --git a/arch/sh/kernel/time.c b/arch/sh/kernel/time.c index c206c9504c4..d47e775962e 100644 --- a/arch/sh/kernel/time.c +++ b/arch/sh/kernel/time.c @@ -41,14 +41,6 @@ static int null_rtc_set_time(const time_t secs) void (*rtc_sh_get_time)(struct timespec *) = null_rtc_get_time; int (*rtc_sh_set_time)(const time_t) = null_rtc_set_time; -/* - * Scheduler clock - returns current time in nanosec units. - */ -unsigned long long __attribute__ ((weak)) sched_clock(void) -{ - return (unsigned long long)jiffies * (1000000000 / HZ); -} - #ifndef CONFIG_GENERIC_TIME void do_gettimeofday(struct timeval *tv) { diff --git a/arch/sh/kernel/vmlinux.lds.S b/arch/sh/kernel/vmlinux.lds.S index f34bdcc33a7..75de165867a 100644 --- a/arch/sh/kernel/vmlinux.lds.S +++ b/arch/sh/kernel/vmlinux.lds.S @@ -83,9 +83,13 @@ SECTIONS .con_initcall.init : { *(.con_initcall.init) } __con_initcall_end = .; SECURITY_INIT + +#ifdef CONFIG_BLK_DEV_INITRD __initramfs_start = .; .init.ramfs : { *(.init.ramfs) } __initramfs_end = .; +#endif + __machvec_start = .; .init.machvec : { *(.init.machvec) } __machvec_end = .; diff --git a/arch/sh/kernel/vsyscall/vsyscall.c b/arch/sh/kernel/vsyscall/vsyscall.c index deb46941f31..7b0f66f0331 100644 --- a/arch/sh/kernel/vsyscall/vsyscall.c +++ b/arch/sh/kernel/vsyscall/vsyscall.c @@ -37,11 +37,12 @@ __setup("vdso=", vdso_setup); * of the ELF DSO images included therein. */ extern const char vsyscall_trapa_start, vsyscall_trapa_end; -static void *syscall_page; +static struct page *syscall_pages[1]; int __init vsyscall_init(void) { - syscall_page = (void *)get_zeroed_page(GFP_ATOMIC); + void *syscall_page = (void *)get_zeroed_page(GFP_ATOMIC); + syscall_pages[0] = virt_to_page(syscall_page); /* * XXX: Map this page to a fixmap entry if we get around @@ -55,37 +56,10 @@ int __init vsyscall_init(void) return 0; } -static struct page *syscall_vma_nopage(struct vm_area_struct *vma, - unsigned long address, int *type) -{ - unsigned long offset = address - vma->vm_start; - struct page *page; - - if (address < vma->vm_start || address > vma->vm_end) - return NOPAGE_SIGBUS; - - page = virt_to_page(syscall_page + offset); - - get_page(page); - - return page; -} - -/* Prevent VMA merging */ -static void syscall_vma_close(struct vm_area_struct *vma) -{ -} - -static struct vm_operations_struct syscall_vm_ops = { - .nopage = syscall_vma_nopage, - .close = syscall_vma_close, -}; - /* Setup a VMA at program startup for the vsyscall page */ int arch_setup_additional_pages(struct linux_binprm *bprm, int executable_stack) { - struct vm_area_struct *vma; struct mm_struct *mm = current->mm; unsigned long addr; int ret; @@ -97,30 +71,16 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, goto up_fail; } - vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); - if (!vma) { - ret = -ENOMEM; + ret = install_special_mapping(mm, addr, PAGE_SIZE, + VM_READ | VM_EXEC | + VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC | + VM_ALWAYSDUMP, + syscall_pages); + if (unlikely(ret)) goto up_fail; - } - - vma->vm_start = addr; - vma->vm_end = addr + PAGE_SIZE; - /* MAYWRITE to allow gdb to COW and set breakpoints */ - vma->vm_flags = VM_READ|VM_EXEC|VM_MAYREAD|VM_MAYEXEC|VM_MAYWRITE; - vma->vm_flags |= mm->def_flags; - vma->vm_page_prot = protection_map[vma->vm_flags & 7]; - vma->vm_ops = &syscall_vm_ops; - vma->vm_mm = mm; - - ret = insert_vm_struct(mm, vma); - if (unlikely(ret)) { - kmem_cache_free(vm_area_cachep, vma); - goto up_fail; - } current->mm->context.vdso = (void *)addr; - mm->total_vm++; up_fail: up_write(&mm->mmap_sem); return ret; diff --git a/arch/sh/mm/cache-debugfs.c b/arch/sh/mm/cache-debugfs.c index e0122bd33dd..909dcfa8c8c 100644 --- a/arch/sh/mm/cache-debugfs.c +++ b/arch/sh/mm/cache-debugfs.c @@ -114,7 +114,7 @@ static int cache_debugfs_open(struct inode *inode, struct file *file) return single_open(file, cache_seq_show, inode->i_private); } -static struct file_operations cache_debugfs_fops = { +static const struct file_operations cache_debugfs_fops = { .owner = THIS_MODULE, .open = cache_debugfs_open, .read = seq_read, diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c index 29bd37b1488..bf0c263cb6f 100644 --- a/arch/sh/mm/init.c +++ b/arch/sh/mm/init.c @@ -158,7 +158,6 @@ void __init paging_init(void) * Setup some defaults for the zone sizes.. these should be safe * regardless of distcontiguous memory or MMU settings. */ - zones_size[ZONE_DMA] = 0 >> PAGE_SHIFT; zones_size[ZONE_NORMAL] = __MEMORY_SIZE >> PAGE_SHIFT; #ifdef CONFIG_HIGHMEM zones_size[ZONE_HIGHMEM] = 0 >> PAGE_SHIFT; @@ -170,8 +169,6 @@ void __init paging_init(void) * the zone sizes accordingly, in addition to turning it on. */ { - unsigned long max_dma, low, start_pfn; - /* We don't need to map the kernel through the TLB, as * it is permanatly mapped using P1. So clear the * entire pgd. */ @@ -179,19 +176,7 @@ void __init paging_init(void) /* Turn on the MMU */ enable_mmu(); - - /* Fixup the zone sizes */ - start_pfn = START_PFN; - max_dma = virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT; - low = MAX_LOW_PFN; - - if (low < max_dma) { - zones_size[ZONE_DMA] = low - start_pfn; - zones_size[ZONE_NORMAL] = 0; - } else { - zones_size[ZONE_DMA] = max_dma - start_pfn; - zones_size[ZONE_NORMAL] = low - max_dma; - } + zones_size[ZONE_NORMAL] = MAX_LOW_PFN - START_PFN; } /* Set an initial value for the MMU.TTB so we don't have to diff --git a/arch/sh/mm/pmb.c b/arch/sh/mm/pmb.c index b60ad83a763..d0d45e2e0ab 100644 --- a/arch/sh/mm/pmb.c +++ b/arch/sh/mm/pmb.c @@ -378,7 +378,7 @@ static int pmb_debugfs_open(struct inode *inode, struct file *file) return single_open(file, pmb_seq_show, NULL); } -static struct file_operations pmb_debugfs_fops = { +static const struct file_operations pmb_debugfs_fops = { .owner = THIS_MODULE, .open = pmb_debugfs_open, .read = seq_read, diff --git a/arch/sh/oprofile/op_model_sh7750.c b/arch/sh/oprofile/op_model_sh7750.c index 60402eec4b4..0104e44bc76 100644 --- a/arch/sh/oprofile/op_model_sh7750.c +++ b/arch/sh/oprofile/op_model_sh7750.c @@ -187,7 +187,7 @@ static ssize_t sh7750_write_count(struct file *file, const char __user *buf, return count; } -static struct file_operations count_fops = { +static const struct file_operations count_fops = { .read = sh7750_read_count, .write = sh7750_write_count, }; diff --git a/arch/sh64/Kconfig b/arch/sh64/Kconfig index 7bc0744b7ab..e14b533558c 100644 --- a/arch/sh64/Kconfig +++ b/arch/sh64/Kconfig @@ -36,9 +36,6 @@ config GENERIC_CALIBRATE_DELAY config RWSEM_XCHGADD_ALGORITHM bool -config GENERIC_ISA_DMA - bool - config ARCH_HAS_ILOG2_U32 bool default n diff --git a/arch/sh64/kernel/setup.c b/arch/sh64/kernel/setup.c index b9e7d54d7b8..53e9d20a874 100644 --- a/arch/sh64/kernel/setup.c +++ b/arch/sh64/kernel/setup.c @@ -83,7 +83,7 @@ extern int sh64_tlb_init(void); #define RAMDISK_PROMPT_FLAG 0x8000 #define RAMDISK_LOAD_FLAG 0x4000 -static char command_line[COMMAND_LINE_SIZE] = { 0, }; +static char __initdata command_line[COMMAND_LINE_SIZE] = { 0, }; unsigned long long memory_start = CONFIG_MEMORY_START; unsigned long long memory_end = CONFIG_MEMORY_START + (CONFIG_MEMORY_SIZE_IN_MB * 1024 * 1024); @@ -95,8 +95,8 @@ static inline void parse_mem_cmdline (char ** cmdline_p) int len = 0; /* Save unparsed command line copy for /proc/cmdline */ - memcpy(saved_command_line, COMMAND_LINE, COMMAND_LINE_SIZE); - saved_command_line[COMMAND_LINE_SIZE-1] = '\0'; + memcpy(boot_command_line, COMMAND_LINE, COMMAND_LINE_SIZE); + boot_command_line[COMMAND_LINE_SIZE-1] = '\0'; for (;;) { /* diff --git a/arch/sh64/kernel/time.c b/arch/sh64/kernel/time.c index 9c4a38a8698..390b40de7ce 100644 --- a/arch/sh64/kernel/time.c +++ b/arch/sh64/kernel/time.c @@ -579,12 +579,3 @@ void enter_deep_standby(void) asm __volatile__ ("nop"); panic("Unexpected wakeup!\n"); } - -/* - * Scheduler clock - returns current time in nanosec units. - */ -unsigned long long sched_clock(void) -{ - return (unsigned long long)jiffies * (1000000000 / HZ); -} - diff --git a/arch/sh64/kernel/vmlinux.lds.S b/arch/sh64/kernel/vmlinux.lds.S index 95c4d753e35..a59c5e99813 100644 --- a/arch/sh64/kernel/vmlinux.lds.S +++ b/arch/sh64/kernel/vmlinux.lds.S @@ -115,9 +115,13 @@ SECTIONS .con_initcall.init : C_PHYS(.con_initcall.init) { *(.con_initcall.init) } __con_initcall_end = .; SECURITY_INIT + +#ifdef CONFIG_BLK_DEV_INITRD __initramfs_start = .; .init.ramfs : C_PHYS(.init.ramfs) { *(.init.ramfs) } __initramfs_end = .; +#endif + . = ALIGN(PAGE_SIZE); __init_end = .; diff --git a/arch/sh64/mm/init.c b/arch/sh64/mm/init.c index 83295bd21aa..5dc08787259 100644 --- a/arch/sh64/mm/init.c +++ b/arch/sh64/mm/init.c @@ -118,10 +118,7 @@ void __init paging_init(void) mmu_context_cache = MMU_CONTEXT_FIRST_VERSION; - /* - * All memory is good as ZONE_NORMAL (fall-through) and ZONE_DMA. - */ - zones_size[ZONE_DMA] = MAX_LOW_PFN - START_PFN; + zones_size[ZONE_NORMAL] = MAX_LOW_PFN - START_PFN; NODE_DATA(0)->node_mem_map = NULL; free_area_init_node(0, NODE_DATA(0), zones_size, __MEMORY_START >> PAGE_SHIFT, 0); } diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index d0dec1ea2ee..bd992c0048f 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -13,6 +13,10 @@ config HIGHMEM bool default y +config ZONE_DMA + bool + default y + config GENERIC_ISA_DMA bool default y diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile index 6616ee05c31..e795f282dec 100644 --- a/arch/sparc/kernel/Makefile +++ b/arch/sparc/kernel/Makefile @@ -12,7 +12,9 @@ obj-y := entry.o wof.o wuf.o etrap.o rtrap.o traps.o $(IRQ_OBJS) \ sys_sparc.o sunos_asm.o systbls.o \ time.o windows.o cpu.o devices.o sclow.o \ tadpole.o tick14.o ptrace.o sys_solaris.o \ - unaligned.o muldiv.o semaphore.o prom.o of_device.o + unaligned.o muldiv.o semaphore.o prom.o of_device.o devres.o + +devres-y = ../../../kernel/irq/devres.o obj-$(CONFIG_PCI) += pcic.o obj-$(CONFIG_SUN4) += sun4setup.o diff --git a/arch/sparc/kernel/apc.c b/arch/sparc/kernel/apc.c index 406dd94afb4..d06a405ca71 100644 --- a/arch/sparc/kernel/apc.c +++ b/arch/sparc/kernel/apc.c @@ -127,7 +127,7 @@ static int apc_ioctl(struct inode *inode, struct file *f, return 0; } -static struct file_operations apc_fops = { +static const struct file_operations apc_fops = { .ioctl = apc_ioctl, .open = apc_open, .release = apc_release, diff --git a/arch/sparc/kernel/setup.c b/arch/sparc/kernel/setup.c index 383526ad94f..eccd8e87f52 100644 --- a/arch/sparc/kernel/setup.c +++ b/arch/sparc/kernel/setup.c @@ -246,7 +246,7 @@ void __init setup_arch(char **cmdline_p) /* Initialize PROM console and command line. */ *cmdline_p = prom_getbootargs(); - strcpy(saved_command_line, *cmdline_p); + strcpy(boot_command_line, *cmdline_p); /* Set sparc_cpu_model */ sparc_cpu_model = sun_unknown; diff --git a/arch/sparc/kernel/sunos_ioctl.c b/arch/sparc/kernel/sunos_ioctl.c index a6ba3d26222..32e8274e435 100644 --- a/arch/sparc/kernel/sunos_ioctl.c +++ b/arch/sparc/kernel/sunos_ioctl.c @@ -11,6 +11,7 @@ #include <linux/errno.h> #include <linux/string.h> #include <linux/termios.h> +#include <linux/tty.h> #include <linux/ioctl.h> #include <linux/route.h> #include <linux/sockios.h> diff --git a/arch/sparc/kernel/sys_sunos.c b/arch/sparc/kernel/sys_sunos.c index 0bf8c165fc9..da6606f0cff 100644 --- a/arch/sparc/kernel/sys_sunos.c +++ b/arch/sparc/kernel/sys_sunos.c @@ -859,14 +859,16 @@ asmlinkage int sunos_wait4(pid_t pid, unsigned int __user *stat_addr, return ret; } -extern int kill_pg(int, int, int); asmlinkage int sunos_killpg(int pgrp, int sig) { int ret; - lock_kernel(); - ret = kill_pg(pgrp, sig, 0); - unlock_kernel(); + rcu_read_lock(); + ret = -EINVAL; + if (pgrp > 0) + ret = kill_pgrp(find_pid(pgrp), sig, 0); + rcu_read_unlock(); + return ret; } diff --git a/arch/sparc/kernel/time.c b/arch/sparc/kernel/time.c index 2fcce000d87..9bb1240aaf8 100644 --- a/arch/sparc/kernel/time.c +++ b/arch/sparc/kernel/time.c @@ -436,15 +436,6 @@ static inline unsigned long do_gettimeoffset(void) return (*master_l10_counter >> 10) & 0x1fffff; } -/* - * Returns nanoseconds - * XXX This is a suboptimal implementation. - */ -unsigned long long sched_clock(void) -{ - return (unsigned long long)jiffies * (1000000000 / HZ); -} - /* Ok, my cute asm atomicity trick doesn't work anymore. * There are just too many variables that need to be protected * now (both members of xtime, et al.) diff --git a/arch/sparc/kernel/vmlinux.lds.S b/arch/sparc/kernel/vmlinux.lds.S index b73e6b9067e..e5c24e0521d 100644 --- a/arch/sparc/kernel/vmlinux.lds.S +++ b/arch/sparc/kernel/vmlinux.lds.S @@ -57,10 +57,14 @@ SECTIONS .con_initcall.init : { *(.con_initcall.init) } __con_initcall_end = .; SECURITY_INIT + +#ifdef CONFIG_BLK_DEV_INITRD . = ALIGN(4096); __initramfs_start = .; .init.ramfs : { *(.init.ramfs) } __initramfs_end = .; +#endif + . = ALIGN(32); __per_cpu_start = .; .data.percpu : { *(.data.percpu) } diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig index d41f66ac7ff..f75a686ba64 100644 --- a/arch/sparc64/Kconfig +++ b/arch/sparc64/Kconfig @@ -232,10 +232,6 @@ config LARGE_ALLOCS source "mm/Kconfig" -config GENERIC_ISA_DMA - bool - default y - config ISA bool help diff --git a/arch/sparc64/defconfig b/arch/sparc64/defconfig index 5a9e68b13e6..0f44a6a6675 100644 --- a/arch/sparc64/defconfig +++ b/arch/sparc64/defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.20-rc2 -# Thu Dec 28 15:09:49 2006 +# Linux kernel version: 2.6.20 +# Sun Feb 11 23:47:40 2007 # CONFIG_SPARC=y CONFIG_SPARC64=y @@ -49,7 +49,6 @@ CONFIG_POSIX_MQUEUE=y # CONFIG_IKCONFIG is not set CONFIG_SYSFS_DEPRECATED=y CONFIG_RELAY=y -CONFIG_INITRAMFS_SOURCE="" CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_SYSCTL=y # CONFIG_EMBEDDED is not set @@ -144,14 +143,14 @@ CONFIG_HAVE_MEMORY_PRESENT=y CONFIG_SPARSEMEM_EXTREME=y CONFIG_SPLIT_PTLOCK_CPUS=4 CONFIG_RESOURCES_64BIT=y -CONFIG_GENERIC_ISA_DMA=y +CONFIG_ZONE_DMA_FLAG=0 CONFIG_SBUS=y CONFIG_SBUSCHAR=y CONFIG_SUN_AUXIO=y CONFIG_SUN_IO=y CONFIG_PCI=y CONFIG_PCI_DOMAINS=y -# CONFIG_PCI_MULTITHREAD_PROBE is not set +CONFIG_PCI_MSI=y # CONFIG_PCI_DEBUG is not set CONFIG_SUN_OPENPROMFS=m CONFIG_SPARC32_COMPAT=y @@ -182,7 +181,9 @@ CONFIG_UNIX=y CONFIG_XFRM=y CONFIG_XFRM_USER=m # CONFIG_XFRM_SUB_POLICY is not set +CONFIG_XFRM_MIGRATE=y CONFIG_NET_KEY=m +CONFIG_NET_KEY_MIGRATE=y CONFIG_INET=y CONFIG_IP_MULTICAST=y # CONFIG_IP_ADVANCED_ROUTER is not set @@ -300,6 +301,7 @@ CONFIG_STANDALONE=y # CONFIG_PREVENT_FIRMWARE_BUILD is not set CONFIG_FW_LOADER=y # CONFIG_DEBUG_DRIVER is not set +# CONFIG_DEBUG_DEVRES is not set # CONFIG_SYS_HYPERVISOR is not set # @@ -393,6 +395,7 @@ CONFIG_BLK_DEV_ALI15X3=y # CONFIG_BLK_DEV_JMICRON is not set # CONFIG_BLK_DEV_SC1200 is not set # CONFIG_BLK_DEV_PIIX is not set +# CONFIG_BLK_DEV_IT8213 is not set # CONFIG_BLK_DEV_IT821X is not set # CONFIG_BLK_DEV_NS87415 is not set # CONFIG_BLK_DEV_PDC202XX_OLD is not set @@ -402,6 +405,7 @@ CONFIG_BLK_DEV_ALI15X3=y # CONFIG_BLK_DEV_SLC90E66 is not set # CONFIG_BLK_DEV_TRM290 is not set # CONFIG_BLK_DEV_VIA82CXXX is not set +# CONFIG_BLK_DEV_TC86C001 is not set # CONFIG_IDE_ARM is not set CONFIG_BLK_DEV_IDEDMA=y # CONFIG_IDEDMA_IVB is not set @@ -579,6 +583,7 @@ CONFIG_NET_PCI=y # CONFIG_EPIC100 is not set # CONFIG_SUNDANCE is not set # CONFIG_VIA_RHINE is not set +# CONFIG_SC92031 is not set # # Ethernet (1000 Mbit) @@ -601,11 +606,13 @@ CONFIG_E1000_NAPI=y CONFIG_TIGON3=m CONFIG_BNX2=m # CONFIG_QLA3XXX is not set +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) # # CONFIG_CHELSIO_T1 is not set +# CONFIG_CHELSIO_T3 is not set # CONFIG_IXGB is not set # CONFIG_S2IO is not set # CONFIG_MYRI10GE is not set @@ -627,8 +634,17 @@ CONFIG_BNX2=m # CONFIG_WAN is not set # CONFIG_FDDI is not set # CONFIG_HIPPI is not set -# CONFIG_PPP is not set +CONFIG_PPP=m +CONFIG_PPP_MULTILINK=y +CONFIG_PPP_FILTER=y +CONFIG_PPP_ASYNC=m +CONFIG_PPP_SYNC_TTY=m +CONFIG_PPP_DEFLATE=m +CONFIG_PPP_BSDCOMP=m +CONFIG_PPP_MPPE=m +CONFIG_PPPOE=m # CONFIG_SLIP is not set +CONFIG_SLHC=m # CONFIG_NET_FC is not set # CONFIG_SHAPER is not set # CONFIG_NETCONSOLE is not set @@ -1043,6 +1059,11 @@ CONFIG_SND_SUN_CS4231=m # CONFIG_SND_SUN_DBRI is not set # +# SoC audio support +# +# CONFIG_SND_SOC is not set + +# # Open Sound System # # CONFIG_SOUND_PRIME is not set @@ -1052,6 +1073,7 @@ CONFIG_AC97_BUS=m # HID Devices # CONFIG_HID=y +# CONFIG_HID_DEBUG is not set # # USB support @@ -1066,9 +1088,7 @@ CONFIG_USB=y # Miscellaneous USB options # CONFIG_USB_DEVICEFS=y -# CONFIG_USB_BANDWIDTH is not set # CONFIG_USB_DYNAMIC_MINORS is not set -# CONFIG_USB_MULTITHREAD_PROBE is not set # CONFIG_USB_OTG is not set # @@ -1078,9 +1098,11 @@ CONFIG_USB_EHCI_HCD=m # CONFIG_USB_EHCI_SPLIT_ISO is not set # CONFIG_USB_EHCI_ROOT_HUB_TT is not set # CONFIG_USB_EHCI_TT_NEWSCHED is not set +# CONFIG_USB_EHCI_BIG_ENDIAN_MMIO is not set # CONFIG_USB_ISP116X_HCD is not set CONFIG_USB_OHCI_HCD=y -# CONFIG_USB_OHCI_BIG_ENDIAN is not set +# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set +# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set CONFIG_USB_OHCI_LITTLE_ENDIAN=y CONFIG_USB_UHCI_HCD=m # CONFIG_USB_SL811_HCD is not set @@ -1132,6 +1154,7 @@ CONFIG_USB_HIDDEV=y # CONFIG_USB_ATI_REMOTE2 is not set # CONFIG_USB_KEYSPAN_REMOTE is not set # CONFIG_USB_APPLETOUCH is not set +# CONFIG_USB_GTCO is not set # # USB Imaging devices @@ -1236,6 +1259,10 @@ CONFIG_USB_HIDDEV=y # # +# Auxiliary Display support +# + +# # Virtualization # @@ -1426,7 +1453,6 @@ CONFIG_SCHEDSTATS=y # CONFIG_RT_MUTEX_TESTER is not set # CONFIG_DEBUG_SPINLOCK is not set # CONFIG_DEBUG_MUTEXES is not set -# CONFIG_DEBUG_RWSEMS is not set # CONFIG_DEBUG_LOCK_ALLOC is not set # CONFIG_PROVE_LOCKING is not set # CONFIG_DEBUG_SPINLOCK_SLEEP is not set @@ -1473,8 +1499,10 @@ CONFIG_CRYPTO_TGR192=m CONFIG_CRYPTO_GF128MUL=m CONFIG_CRYPTO_ECB=m CONFIG_CRYPTO_CBC=y +CONFIG_CRYPTO_PCBC=m CONFIG_CRYPTO_LRW=m CONFIG_CRYPTO_DES=y +CONFIG_CRYPTO_FCRYPT=m CONFIG_CRYPTO_BLOWFISH=m CONFIG_CRYPTO_TWOFISH=m CONFIG_CRYPTO_TWOFISH_COMMON=m @@ -1489,6 +1517,7 @@ CONFIG_CRYPTO_ANUBIS=m CONFIG_CRYPTO_DEFLATE=y CONFIG_CRYPTO_MICHAEL_MIC=m CONFIG_CRYPTO_CRC32C=m +CONFIG_CRYPTO_CAMELLIA=m CONFIG_CRYPTO_TEST=m # @@ -1506,4 +1535,5 @@ CONFIG_LIBCRC32C=m CONFIG_ZLIB_INFLATE=y CONFIG_ZLIB_DEFLATE=y CONFIG_PLIST=y -CONFIG_IOMAP_COPY=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c index c3d068c7a41..b5ff3ee5ace 100644 --- a/arch/sparc64/kernel/irq.c +++ b/arch/sparc64/kernel/irq.c @@ -22,6 +22,7 @@ #include <linux/seq_file.h> #include <linux/bootmem.h> #include <linux/irq.h> +#include <linux/msi.h> #include <asm/ptrace.h> #include <asm/processor.h> @@ -87,7 +88,6 @@ struct ino_bucket ivector_table[NUM_IVECS] __attribute__ ((aligned (SMP_CACHE_BY #define irq_work(__cpu) &(trap_block[(__cpu)].irq_worklist) static unsigned int virt_to_real_irq_table[NR_IRQS]; -static unsigned char virt_irq_cur = 1; static unsigned char virt_irq_alloc(unsigned int real_irq) { @@ -95,26 +95,32 @@ static unsigned char virt_irq_alloc(unsigned int real_irq) BUILD_BUG_ON(NR_IRQS >= 256); - ent = virt_irq_cur; + for (ent = 1; ent < NR_IRQS; ent++) { + if (!virt_to_real_irq_table[ent]) + break; + } if (ent >= NR_IRQS) { printk(KERN_ERR "IRQ: Out of virtual IRQs.\n"); return 0; } - virt_irq_cur = ent + 1; virt_to_real_irq_table[ent] = real_irq; return ent; } -#if 0 /* Currently unused. */ -static unsigned char real_to_virt_irq(unsigned int real_irq) +static void virt_irq_free(unsigned int virt_irq) { - struct ino_bucket *bucket = __bucket(real_irq); + unsigned int real_irq; - return bucket->virt_irq; + if (virt_irq >= NR_IRQS) + return; + + real_irq = virt_to_real_irq_table[virt_irq]; + virt_to_real_irq_table[virt_irq] = 0; + + __bucket(real_irq)->virt_irq = 0; } -#endif static unsigned int virt_to_real_irq(unsigned char virt_irq) { @@ -268,8 +274,7 @@ static int irq_choose_cpu(unsigned int virt_irq) static void sun4u_irq_enable(unsigned int virt_irq) { - irq_desc_t *desc = irq_desc + virt_irq; - struct irq_handler_data *data = desc->handler_data; + struct irq_handler_data *data = get_irq_chip_data(virt_irq); if (likely(data)) { unsigned long cpuid, imap; @@ -286,8 +291,7 @@ static void sun4u_irq_enable(unsigned int virt_irq) static void sun4u_irq_disable(unsigned int virt_irq) { - irq_desc_t *desc = irq_desc + virt_irq; - struct irq_handler_data *data = desc->handler_data; + struct irq_handler_data *data = get_irq_chip_data(virt_irq); if (likely(data)) { unsigned long imap = data->imap; @@ -300,8 +304,7 @@ static void sun4u_irq_disable(unsigned int virt_irq) static void sun4u_irq_end(unsigned int virt_irq) { - irq_desc_t *desc = irq_desc + virt_irq; - struct irq_handler_data *data = desc->handler_data; + struct irq_handler_data *data = get_irq_chip_data(virt_irq); if (likely(data)) upa_writel(ICLR_IDLE, data->iclr); @@ -344,6 +347,20 @@ static void sun4v_irq_disable(unsigned int virt_irq) } } +#ifdef CONFIG_PCI_MSI +static void sun4v_msi_enable(unsigned int virt_irq) +{ + sun4v_irq_enable(virt_irq); + unmask_msi_irq(virt_irq); +} + +static void sun4v_msi_disable(unsigned int virt_irq) +{ + mask_msi_irq(virt_irq); + sun4v_irq_disable(virt_irq); +} +#endif + static void sun4v_irq_end(unsigned int virt_irq) { struct ino_bucket *bucket = virt_irq_to_bucket(virt_irq); @@ -362,8 +379,7 @@ static void sun4v_irq_end(unsigned int virt_irq) static void run_pre_handler(unsigned int virt_irq) { struct ino_bucket *bucket = virt_irq_to_bucket(virt_irq); - irq_desc_t *desc = irq_desc + virt_irq; - struct irq_handler_data *data = desc->handler_data; + struct irq_handler_data *data = get_irq_chip_data(virt_irq); if (likely(data->pre_handler)) { data->pre_handler(__irq_ino(__irq(bucket)), @@ -402,30 +418,47 @@ static struct irq_chip sun4v_irq_ack = { .end = sun4v_irq_end, }; +#ifdef CONFIG_PCI_MSI +static struct irq_chip sun4v_msi = { + .typename = "sun4v+msi", + .mask = mask_msi_irq, + .unmask = unmask_msi_irq, + .enable = sun4v_msi_enable, + .disable = sun4v_msi_disable, + .ack = run_pre_handler, + .end = sun4v_irq_end, +}; +#endif + void irq_install_pre_handler(int virt_irq, void (*func)(unsigned int, void *, void *), void *arg1, void *arg2) { - irq_desc_t *desc = irq_desc + virt_irq; - struct irq_handler_data *data = desc->handler_data; + struct irq_handler_data *data = get_irq_chip_data(virt_irq); + struct irq_chip *chip; data->pre_handler = func; data->pre_handler_arg1 = arg1; data->pre_handler_arg2 = arg2; - if (desc->chip == &sun4u_irq_ack || - desc->chip == &sun4v_irq_ack) + chip = get_irq_chip(virt_irq); + if (chip == &sun4u_irq_ack || + chip == &sun4v_irq_ack +#ifdef CONFIG_PCI_MSI + || chip == &sun4v_msi +#endif + ) return; - desc->chip = (desc->chip == &sun4u_irq ? - &sun4u_irq_ack : &sun4v_irq_ack); + chip = (chip == &sun4u_irq ? + &sun4u_irq_ack : &sun4v_irq_ack); + set_irq_chip(virt_irq, chip); } unsigned int build_irq(int inofixup, unsigned long iclr, unsigned long imap) { struct ino_bucket *bucket; struct irq_handler_data *data; - irq_desc_t *desc; int ino; BUG_ON(tlb_type == hypervisor); @@ -434,11 +467,11 @@ unsigned int build_irq(int inofixup, unsigned long iclr, unsigned long imap) bucket = &ivector_table[ino]; if (!bucket->virt_irq) { bucket->virt_irq = virt_irq_alloc(__irq(bucket)); - irq_desc[bucket->virt_irq].chip = &sun4u_irq; + set_irq_chip(bucket->virt_irq, &sun4u_irq); } - desc = irq_desc + bucket->virt_irq; - if (unlikely(desc->handler_data)) + data = get_irq_chip_data(bucket->virt_irq); + if (unlikely(data)) goto out; data = kzalloc(sizeof(struct irq_handler_data), GFP_ATOMIC); @@ -446,7 +479,7 @@ unsigned int build_irq(int inofixup, unsigned long iclr, unsigned long imap) prom_printf("IRQ: kzalloc(irq_handler_data) failed.\n"); prom_halt(); } - desc->handler_data = data; + set_irq_chip_data(bucket->virt_irq, data); data->imap = imap; data->iclr = iclr; @@ -460,7 +493,6 @@ unsigned int sun4v_build_irq(u32 devhandle, unsigned int devino) struct ino_bucket *bucket; struct irq_handler_data *data; unsigned long sysino; - irq_desc_t *desc; BUG_ON(tlb_type != hypervisor); @@ -468,11 +500,11 @@ unsigned int sun4v_build_irq(u32 devhandle, unsigned int devino) bucket = &ivector_table[sysino]; if (!bucket->virt_irq) { bucket->virt_irq = virt_irq_alloc(__irq(bucket)); - irq_desc[bucket->virt_irq].chip = &sun4v_irq; + set_irq_chip(bucket->virt_irq, &sun4v_irq); } - desc = irq_desc + bucket->virt_irq; - if (unlikely(desc->handler_data)) + data = get_irq_chip_data(bucket->virt_irq); + if (unlikely(data)) goto out; data = kzalloc(sizeof(struct irq_handler_data), GFP_ATOMIC); @@ -480,7 +512,7 @@ unsigned int sun4v_build_irq(u32 devhandle, unsigned int devino) prom_printf("IRQ: kzalloc(irq_handler_data) failed.\n"); prom_halt(); } - desc->handler_data = data; + set_irq_chip_data(bucket->virt_irq, data); /* Catch accidental accesses to these things. IMAP/ICLR handling * is done by hypervisor calls on sun4v platforms, not by direct @@ -493,6 +525,56 @@ out: return bucket->virt_irq; } +#ifdef CONFIG_PCI_MSI +unsigned int sun4v_build_msi(u32 devhandle, unsigned int *virt_irq_p, + unsigned int msi_start, unsigned int msi_end) +{ + struct ino_bucket *bucket; + struct irq_handler_data *data; + unsigned long sysino; + unsigned int devino; + + BUG_ON(tlb_type != hypervisor); + + /* Find a free devino in the given range. */ + for (devino = msi_start; devino < msi_end; devino++) { + sysino = sun4v_devino_to_sysino(devhandle, devino); + bucket = &ivector_table[sysino]; + if (!bucket->virt_irq) + break; + } + if (devino >= msi_end) + return 0; + + sysino = sun4v_devino_to_sysino(devhandle, devino); + bucket = &ivector_table[sysino]; + bucket->virt_irq = virt_irq_alloc(__irq(bucket)); + *virt_irq_p = bucket->virt_irq; + set_irq_chip(bucket->virt_irq, &sun4v_msi); + + data = get_irq_chip_data(bucket->virt_irq); + if (unlikely(data)) + return devino; + + data = kzalloc(sizeof(struct irq_handler_data), GFP_ATOMIC); + if (unlikely(!data)) { + prom_printf("IRQ: kzalloc(irq_handler_data) failed.\n"); + prom_halt(); + } + set_irq_chip_data(bucket->virt_irq, data); + + data->imap = ~0UL; + data->iclr = ~0UL; + + return devino; +} + +void sun4v_destroy_msi(unsigned int virt_irq) +{ + virt_irq_free(virt_irq); +} +#endif + void ack_bad_irq(unsigned int virt_irq) { struct ino_bucket *bucket = virt_irq_to_bucket(virt_irq); diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c index dfc41cd4bb5..6b740eb6fe7 100644 --- a/arch/sparc64/kernel/pci.c +++ b/arch/sparc64/kernel/pci.c @@ -13,6 +13,8 @@ #include <linux/capability.h> #include <linux/errno.h> #include <linux/smp_lock.h> +#include <linux/msi.h> +#include <linux/irq.h> #include <linux/init.h> #include <asm/uaccess.h> @@ -646,4 +648,37 @@ int pci_domain_nr(struct pci_bus *pbus) } EXPORT_SYMBOL(pci_domain_nr); +#ifdef CONFIG_PCI_MSI +int arch_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc) +{ + struct pcidev_cookie *pcp = pdev->sysdata; + struct pci_pbm_info *pbm = pcp->pbm; + struct pci_controller_info *p = pbm->parent; + int virt_irq, err; + + if (!pbm->msi_num || !p->setup_msi_irq) + return -EINVAL; + + err = p->setup_msi_irq(&virt_irq, pdev, desc); + if (err < 0) + return err; + + return virt_irq; +} + +void arch_teardown_msi_irq(unsigned int virt_irq) +{ + struct msi_desc *entry = get_irq_data(virt_irq); + struct pci_dev *pdev = entry->dev; + struct pcidev_cookie *pcp = pdev->sysdata; + struct pci_pbm_info *pbm = pcp->pbm; + struct pci_controller_info *p = pbm->parent; + + if (!pbm->msi_num || !p->setup_msi_irq) + return; + + return p->teardown_msi_irq(virt_irq, pdev); +} +#endif /* !(CONFIG_PCI_MSI) */ + #endif /* !(CONFIG_PCI) */ diff --git a/arch/sparc64/kernel/pci_common.c b/arch/sparc64/kernel/pci_common.c index 827ae30aa49..5a92cb90ebe 100644 --- a/arch/sparc64/kernel/pci_common.c +++ b/arch/sparc64/kernel/pci_common.c @@ -7,6 +7,8 @@ #include <linux/string.h> #include <linux/slab.h> #include <linux/init.h> +#include <linux/pci.h> +#include <linux/device.h> #include <asm/pbm.h> #include <asm/prom.h> @@ -129,6 +131,20 @@ static void __init fixup_obp_assignments(struct pci_dev *pdev, } } +static ssize_t +show_pciobppath_attr(struct device * dev, struct device_attribute * attr, char * buf) +{ + struct pci_dev *pdev; + struct pcidev_cookie *sysdata; + + pdev = to_pci_dev(dev); + sysdata = pdev->sysdata; + + return snprintf (buf, PAGE_SIZE, "%s\n", sysdata->prom_node->full_name); +} + +static DEVICE_ATTR(obppath, S_IRUSR | S_IRGRP | S_IROTH, show_pciobppath_attr, NULL); + /* Fill in the PCI device cookie sysdata for the given * PCI device. This cookie is the means by which one * can get to OBP and PCI controller specific information @@ -142,7 +158,7 @@ static void __init pdev_cookie_fillin(struct pci_pbm_info *pbm, struct pcidev_cookie *pcp; struct device_node *dp; struct property *prop; - int nregs, len; + int nregs, len, err; dp = find_device_prom_node(pbm, pdev, bus_node, &pregs, &nregs); @@ -215,6 +231,13 @@ static void __init pdev_cookie_fillin(struct pci_pbm_info *pbm, fixup_obp_assignments(pdev, pcp); pdev->sysdata = pcp; + + /* we don't really care if we can create this file or not, + * but we need to assign the result of the call or the world will fall + * under alien invasion and everybody will be frozen on a spaceship + * ready to be eaten on alpha centauri by some green and jelly humanoid. + */ + err = sysfs_create_file(&pdev->dev.kobj, &dev_attr_obppath.attr); } void __init pci_fill_in_pbm_cookies(struct pci_bus *pbus, diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c index 6b04794b7a9..ec22cd61ec8 100644 --- a/arch/sparc64/kernel/pci_sun4v.c +++ b/arch/sparc64/kernel/pci_sun4v.c @@ -10,6 +10,8 @@ #include <linux/slab.h> #include <linux/interrupt.h> #include <linux/percpu.h> +#include <linux/irq.h> +#include <linux/msi.h> #include <asm/pbm.h> #include <asm/iommu.h> @@ -1074,6 +1076,443 @@ static void pci_sun4v_get_bus_range(struct pci_pbm_info *pbm) } +#ifdef CONFIG_PCI_MSI +struct pci_sun4v_msiq_entry { + u64 version_type; +#define MSIQ_VERSION_MASK 0xffffffff00000000UL +#define MSIQ_VERSION_SHIFT 32 +#define MSIQ_TYPE_MASK 0x00000000000000ffUL +#define MSIQ_TYPE_SHIFT 0 +#define MSIQ_TYPE_NONE 0x00 +#define MSIQ_TYPE_MSG 0x01 +#define MSIQ_TYPE_MSI32 0x02 +#define MSIQ_TYPE_MSI64 0x03 +#define MSIQ_TYPE_INTX 0x08 +#define MSIQ_TYPE_NONE2 0xff + + u64 intx_sysino; + u64 reserved1; + u64 stick; + u64 req_id; /* bus/device/func */ +#define MSIQ_REQID_BUS_MASK 0xff00UL +#define MSIQ_REQID_BUS_SHIFT 8 +#define MSIQ_REQID_DEVICE_MASK 0x00f8UL +#define MSIQ_REQID_DEVICE_SHIFT 3 +#define MSIQ_REQID_FUNC_MASK 0x0007UL +#define MSIQ_REQID_FUNC_SHIFT 0 + + u64 msi_address; + + /* The format of this value is message type dependant. + * For MSI bits 15:0 are the data from the MSI packet. + * For MSI-X bits 31:0 are the data from the MSI packet. + * For MSG, the message code and message routing code where: + * bits 39:32 is the bus/device/fn of the msg target-id + * bits 18:16 is the message routing code + * bits 7:0 is the message code + * For INTx the low order 2-bits are: + * 00 - INTA + * 01 - INTB + * 10 - INTC + * 11 - INTD + */ + u64 msi_data; + + u64 reserved2; +}; + +/* For now this just runs as a pre-handler for the real interrupt handler. + * So we just walk through the queue and ACK all the entries, update the + * head pointer, and return. + * + * In the longer term it would be nice to do something more integrated + * wherein we can pass in some of this MSI info to the drivers. This + * would be most useful for PCIe fabric error messages, although we could + * invoke those directly from the loop here in order to pass the info around. + */ +static void pci_sun4v_msi_prehandler(unsigned int ino, void *data1, void *data2) +{ + struct pci_pbm_info *pbm = data1; + struct pci_sun4v_msiq_entry *base, *ep; + unsigned long msiqid, orig_head, head, type, err; + + msiqid = (unsigned long) data2; + + head = 0xdeadbeef; + err = pci_sun4v_msiq_gethead(pbm->devhandle, msiqid, &head); + if (unlikely(err)) + goto hv_error_get; + + if (unlikely(head >= (pbm->msiq_ent_count * sizeof(struct pci_sun4v_msiq_entry)))) + goto bad_offset; + + head /= sizeof(struct pci_sun4v_msiq_entry); + orig_head = head; + base = (pbm->msi_queues + ((msiqid - pbm->msiq_first) * + (pbm->msiq_ent_count * + sizeof(struct pci_sun4v_msiq_entry)))); + ep = &base[head]; + while ((ep->version_type & MSIQ_TYPE_MASK) != 0) { + type = (ep->version_type & MSIQ_TYPE_MASK) >> MSIQ_TYPE_SHIFT; + if (unlikely(type != MSIQ_TYPE_MSI32 && + type != MSIQ_TYPE_MSI64)) + goto bad_type; + + pci_sun4v_msi_setstate(pbm->devhandle, + ep->msi_data /* msi_num */, + HV_MSISTATE_IDLE); + + /* Clear the entry. */ + ep->version_type &= ~MSIQ_TYPE_MASK; + + /* Go to next entry in ring. */ + head++; + if (head >= pbm->msiq_ent_count) + head = 0; + ep = &base[head]; + } + + if (likely(head != orig_head)) { + /* ACK entries by updating head pointer. */ + head *= sizeof(struct pci_sun4v_msiq_entry); + err = pci_sun4v_msiq_sethead(pbm->devhandle, msiqid, head); + if (unlikely(err)) + goto hv_error_set; + } + return; + +hv_error_set: + printk(KERN_EMERG "MSI: Hypervisor set head gives error %lu\n", err); + goto hv_error_cont; + +hv_error_get: + printk(KERN_EMERG "MSI: Hypervisor get head gives error %lu\n", err); + +hv_error_cont: + printk(KERN_EMERG "MSI: devhandle[%x] msiqid[%lx] head[%lu]\n", + pbm->devhandle, msiqid, head); + return; + +bad_offset: + printk(KERN_EMERG "MSI: Hypervisor gives bad offset %lx max(%lx)\n", + head, pbm->msiq_ent_count * sizeof(struct pci_sun4v_msiq_entry)); + return; + +bad_type: + printk(KERN_EMERG "MSI: Entry has bad type %lx\n", type); + return; +} + +static int msi_bitmap_alloc(struct pci_pbm_info *pbm) +{ + unsigned long size, bits_per_ulong; + + bits_per_ulong = sizeof(unsigned long) * 8; + size = (pbm->msi_num + (bits_per_ulong - 1)) & ~(bits_per_ulong - 1); + size /= 8; + BUG_ON(size % sizeof(unsigned long)); + + pbm->msi_bitmap = kzalloc(size, GFP_KERNEL); + if (!pbm->msi_bitmap) + return -ENOMEM; + + return 0; +} + +static void msi_bitmap_free(struct pci_pbm_info *pbm) +{ + kfree(pbm->msi_bitmap); + pbm->msi_bitmap = NULL; +} + +static int msi_queue_alloc(struct pci_pbm_info *pbm) +{ + unsigned long q_size, alloc_size, pages, order; + int i; + + q_size = pbm->msiq_ent_count * sizeof(struct pci_sun4v_msiq_entry); + alloc_size = (pbm->msiq_num * q_size); + order = get_order(alloc_size); + pages = __get_free_pages(GFP_KERNEL | __GFP_COMP, order); + if (pages == 0UL) { + printk(KERN_ERR "MSI: Cannot allocate MSI queues (o=%lu).\n", + order); + return -ENOMEM; + } + memset((char *)pages, 0, PAGE_SIZE << order); + pbm->msi_queues = (void *) pages; + + for (i = 0; i < pbm->msiq_num; i++) { + unsigned long err, base = __pa(pages + (i * q_size)); + unsigned long ret1, ret2; + + err = pci_sun4v_msiq_conf(pbm->devhandle, + pbm->msiq_first + i, + base, pbm->msiq_ent_count); + if (err) { + printk(KERN_ERR "MSI: msiq register fails (err=%lu)\n", + err); + goto h_error; + } + + err = pci_sun4v_msiq_info(pbm->devhandle, + pbm->msiq_first + i, + &ret1, &ret2); + if (err) { + printk(KERN_ERR "MSI: Cannot read msiq (err=%lu)\n", + err); + goto h_error; + } + if (ret1 != base || ret2 != pbm->msiq_ent_count) { + printk(KERN_ERR "MSI: Bogus qconf " + "expected[%lx:%x] got[%lx:%lx]\n", + base, pbm->msiq_ent_count, + ret1, ret2); + goto h_error; + } + } + + return 0; + +h_error: + free_pages(pages, order); + return -EINVAL; +} + +static void pci_sun4v_msi_init(struct pci_pbm_info *pbm) +{ + u32 *val; + int len; + + val = of_get_property(pbm->prom_node, "#msi-eqs", &len); + if (!val || len != 4) + goto no_msi; + pbm->msiq_num = *val; + if (pbm->msiq_num) { + struct msiq_prop { + u32 first_msiq; + u32 num_msiq; + u32 first_devino; + } *mqp; + struct msi_range_prop { + u32 first_msi; + u32 num_msi; + } *mrng; + struct addr_range_prop { + u32 msi32_high; + u32 msi32_low; + u32 msi32_len; + u32 msi64_high; + u32 msi64_low; + u32 msi64_len; + } *arng; + + val = of_get_property(pbm->prom_node, "msi-eq-size", &len); + if (!val || len != 4) + goto no_msi; + + pbm->msiq_ent_count = *val; + + mqp = of_get_property(pbm->prom_node, + "msi-eq-to-devino", &len); + if (!mqp || len != sizeof(struct msiq_prop)) + goto no_msi; + + pbm->msiq_first = mqp->first_msiq; + pbm->msiq_first_devino = mqp->first_devino; + + val = of_get_property(pbm->prom_node, "#msi", &len); + if (!val || len != 4) + goto no_msi; + pbm->msi_num = *val; + + mrng = of_get_property(pbm->prom_node, "msi-ranges", &len); + if (!mrng || len != sizeof(struct msi_range_prop)) + goto no_msi; + pbm->msi_first = mrng->first_msi; + + val = of_get_property(pbm->prom_node, "msi-data-mask", &len); + if (!val || len != 4) + goto no_msi; + pbm->msi_data_mask = *val; + + val = of_get_property(pbm->prom_node, "msix-data-width", &len); + if (!val || len != 4) + goto no_msi; + pbm->msix_data_width = *val; + + arng = of_get_property(pbm->prom_node, "msi-address-ranges", + &len); + if (!arng || len != sizeof(struct addr_range_prop)) + goto no_msi; + pbm->msi32_start = ((u64)arng->msi32_high << 32) | + (u64) arng->msi32_low; + pbm->msi64_start = ((u64)arng->msi64_high << 32) | + (u64) arng->msi64_low; + pbm->msi32_len = arng->msi32_len; + pbm->msi64_len = arng->msi64_len; + + if (msi_bitmap_alloc(pbm)) + goto no_msi; + + if (msi_queue_alloc(pbm)) { + msi_bitmap_free(pbm); + goto no_msi; + } + + printk(KERN_INFO "%s: MSI Queue first[%u] num[%u] count[%u] " + "devino[0x%x]\n", + pbm->name, + pbm->msiq_first, pbm->msiq_num, + pbm->msiq_ent_count, + pbm->msiq_first_devino); + printk(KERN_INFO "%s: MSI first[%u] num[%u] mask[0x%x] " + "width[%u]\n", + pbm->name, + pbm->msi_first, pbm->msi_num, pbm->msi_data_mask, + pbm->msix_data_width); + printk(KERN_INFO "%s: MSI addr32[0x%lx:0x%x] " + "addr64[0x%lx:0x%x]\n", + pbm->name, + pbm->msi32_start, pbm->msi32_len, + pbm->msi64_start, pbm->msi64_len); + printk(KERN_INFO "%s: MSI queues at RA [%p]\n", + pbm->name, + pbm->msi_queues); + } + + return; + +no_msi: + pbm->msiq_num = 0; + printk(KERN_INFO "%s: No MSI support.\n", pbm->name); +} + +static int alloc_msi(struct pci_pbm_info *pbm) +{ + int i; + + for (i = 0; i < pbm->msi_num; i++) { + if (!test_and_set_bit(i, pbm->msi_bitmap)) + return i + pbm->msi_first; + } + + return -ENOENT; +} + +static void free_msi(struct pci_pbm_info *pbm, int msi_num) +{ + msi_num -= pbm->msi_first; + clear_bit(msi_num, pbm->msi_bitmap); +} + +static int pci_sun4v_setup_msi_irq(unsigned int *virt_irq_p, + struct pci_dev *pdev, + struct msi_desc *entry) +{ + struct pcidev_cookie *pcp = pdev->sysdata; + struct pci_pbm_info *pbm = pcp->pbm; + unsigned long devino, msiqid; + struct msi_msg msg; + int msi_num, err; + + *virt_irq_p = 0; + + msi_num = alloc_msi(pbm); + if (msi_num < 0) + return msi_num; + + devino = sun4v_build_msi(pbm->devhandle, virt_irq_p, + pbm->msiq_first_devino, + (pbm->msiq_first_devino + + pbm->msiq_num)); + err = -ENOMEM; + if (!devino) + goto out_err; + + set_irq_msi(*virt_irq_p, entry); + + msiqid = ((devino - pbm->msiq_first_devino) + + pbm->msiq_first); + + err = -EINVAL; + if (pci_sun4v_msiq_setstate(pbm->devhandle, msiqid, HV_MSIQSTATE_IDLE)) + if (err) + goto out_err; + + if (pci_sun4v_msiq_setvalid(pbm->devhandle, msiqid, HV_MSIQ_VALID)) + goto out_err; + + if (pci_sun4v_msi_setmsiq(pbm->devhandle, + msi_num, msiqid, + (entry->msi_attrib.is_64 ? + HV_MSITYPE_MSI64 : HV_MSITYPE_MSI32))) + goto out_err; + + if (pci_sun4v_msi_setstate(pbm->devhandle, msi_num, HV_MSISTATE_IDLE)) + goto out_err; + + if (pci_sun4v_msi_setvalid(pbm->devhandle, msi_num, HV_MSIVALID_VALID)) + goto out_err; + + pcp->msi_num = msi_num; + + if (entry->msi_attrib.is_64) { + msg.address_hi = pbm->msi64_start >> 32; + msg.address_lo = pbm->msi64_start & 0xffffffff; + } else { + msg.address_hi = 0; + msg.address_lo = pbm->msi32_start; + } + msg.data = msi_num; + write_msi_msg(*virt_irq_p, &msg); + + irq_install_pre_handler(*virt_irq_p, + pci_sun4v_msi_prehandler, + pbm, (void *) msiqid); + + return 0; + +out_err: + free_msi(pbm, msi_num); + sun4v_destroy_msi(*virt_irq_p); + *virt_irq_p = 0; + return err; + +} + +static void pci_sun4v_teardown_msi_irq(unsigned int virt_irq, + struct pci_dev *pdev) +{ + struct pcidev_cookie *pcp = pdev->sysdata; + struct pci_pbm_info *pbm = pcp->pbm; + unsigned long msiqid, err; + unsigned int msi_num; + + msi_num = pcp->msi_num; + err = pci_sun4v_msi_getmsiq(pbm->devhandle, msi_num, &msiqid); + if (err) { + printk(KERN_ERR "%s: getmsiq gives error %lu\n", + pbm->name, err); + return; + } + + pci_sun4v_msi_setvalid(pbm->devhandle, msi_num, HV_MSIVALID_INVALID); + pci_sun4v_msiq_setvalid(pbm->devhandle, msiqid, HV_MSIQ_INVALID); + + free_msi(pbm, msi_num); + + /* The sun4v_destroy_msi() will liberate the devino and thus the MSIQ + * allocation. + */ + sun4v_destroy_msi(virt_irq); +} +#else /* CONFIG_PCI_MSI */ +static void pci_sun4v_msi_init(struct pci_pbm_info *pbm) +{ +} +#endif /* !(CONFIG_PCI_MSI) */ + static void pci_sun4v_pbm_init(struct pci_controller_info *p, struct device_node *dp, u32 devhandle) { struct pci_pbm_info *pbm; @@ -1119,6 +1558,7 @@ static void pci_sun4v_pbm_init(struct pci_controller_info *p, struct device_node pci_sun4v_get_bus_range(pbm); pci_sun4v_iommu_init(pbm); + pci_sun4v_msi_init(pbm); pdev_htab_populate(pbm); } @@ -1187,6 +1627,10 @@ void sun4v_pci_init(struct device_node *dp, char *model_name) p->scan_bus = pci_sun4v_scan_bus; p->base_address_update = pci_sun4v_base_address_update; p->resource_adjust = pci_sun4v_resource_adjust; +#ifdef CONFIG_PCI_MSI + p->setup_msi_irq = pci_sun4v_setup_msi_irq; + p->teardown_msi_irq = pci_sun4v_teardown_msi_irq; +#endif p->pci_ops = &pci_sun4v_ops; /* Like PSYCHO and SCHIZO we have a 2GB aligned area diff --git a/arch/sparc64/kernel/pci_sun4v.h b/arch/sparc64/kernel/pci_sun4v.h index 884d25f6158..8e9fc3a5b4f 100644 --- a/arch/sparc64/kernel/pci_sun4v.h +++ b/arch/sparc64/kernel/pci_sun4v.h @@ -28,4 +28,65 @@ extern int pci_sun4v_config_put(unsigned long devhandle, unsigned long size, unsigned long data); +extern unsigned long pci_sun4v_msiq_conf(unsigned long devhandle, + unsigned long msiqid, + unsigned long msiq_paddr, + unsigned long num_entries); +extern unsigned long pci_sun4v_msiq_info(unsigned long devhandle, + unsigned long msiqid, + unsigned long *msiq_paddr, + unsigned long *num_entries); +extern unsigned long pci_sun4v_msiq_getvalid(unsigned long devhandle, + unsigned long msiqid, + unsigned long *valid); +extern unsigned long pci_sun4v_msiq_setvalid(unsigned long devhandle, + unsigned long msiqid, + unsigned long valid); +extern unsigned long pci_sun4v_msiq_getstate(unsigned long devhandle, + unsigned long msiqid, + unsigned long *state); +extern unsigned long pci_sun4v_msiq_setstate(unsigned long devhandle, + unsigned long msiqid, + unsigned long state); +extern unsigned long pci_sun4v_msiq_gethead(unsigned long devhandle, + unsigned long msiqid, + unsigned long *head); +extern unsigned long pci_sun4v_msiq_sethead(unsigned long devhandle, + unsigned long msiqid, + unsigned long head); +extern unsigned long pci_sun4v_msiq_gettail(unsigned long devhandle, + unsigned long msiqid, + unsigned long *head); +extern unsigned long pci_sun4v_msi_getvalid(unsigned long devhandle, + unsigned long msinum, + unsigned long *valid); +extern unsigned long pci_sun4v_msi_setvalid(unsigned long devhandle, + unsigned long msinum, + unsigned long valid); +extern unsigned long pci_sun4v_msi_getmsiq(unsigned long devhandle, + unsigned long msinum, + unsigned long *msiq); +extern unsigned long pci_sun4v_msi_setmsiq(unsigned long devhandle, + unsigned long msinum, + unsigned long msiq, + unsigned long msitype); +extern unsigned long pci_sun4v_msi_getstate(unsigned long devhandle, + unsigned long msinum, + unsigned long *state); +extern unsigned long pci_sun4v_msi_setstate(unsigned long devhandle, + unsigned long msinum, + unsigned long state); +extern unsigned long pci_sun4v_msg_getmsiq(unsigned long devhandle, + unsigned long msinum, + unsigned long *msiq); +extern unsigned long pci_sun4v_msg_setmsiq(unsigned long devhandle, + unsigned long msinum, + unsigned long msiq); +extern unsigned long pci_sun4v_msg_getvalid(unsigned long devhandle, + unsigned long msinum, + unsigned long *valid); +extern unsigned long pci_sun4v_msg_setvalid(unsigned long devhandle, + unsigned long msinum, + unsigned long valid); + #endif /* !(_PCI_SUN4V_H) */ diff --git a/arch/sparc64/kernel/pci_sun4v_asm.S b/arch/sparc64/kernel/pci_sun4v_asm.S index 6604fdbf746..ecb81f389b0 100644 --- a/arch/sparc64/kernel/pci_sun4v_asm.S +++ b/arch/sparc64/kernel/pci_sun4v_asm.S @@ -93,3 +93,269 @@ pci_sun4v_config_put: mov -1, %o1 1: retl mov %o1, %o0 + + /* %o0: devhandle + * %o1: msiqid + * %o2: msiq phys address + * %o3: num entries + * + * returns %o0: status + * + * status will be zero if the operation completed + * successfully, else -1 if not + */ + .globl pci_sun4v_msiq_conf +pci_sun4v_msiq_conf: + mov HV_FAST_PCI_MSIQ_CONF, %o5 + ta HV_FAST_TRAP + retl + mov %o0, %o0 + + /* %o0: devhandle + * %o1: msiqid + * %o2: &msiq_phys_addr + * %o3: &msiq_num_entries + * + * returns %o0: status + */ + .globl pci_sun4v_msiq_info +pci_sun4v_msiq_info: + mov %o2, %o4 + mov HV_FAST_PCI_MSIQ_INFO, %o5 + ta HV_FAST_TRAP + stx %o1, [%o4] + stx %o2, [%o3] + retl + mov %o0, %o0 + + /* %o0: devhandle + * %o1: msiqid + * %o2: &valid + * + * returns %o0: status + */ + .globl pci_sun4v_msiq_getvalid +pci_sun4v_msiq_getvalid: + mov HV_FAST_PCI_MSIQ_GETVALID, %o5 + ta HV_FAST_TRAP + stx %o1, [%o2] + retl + mov %o0, %o0 + + /* %o0: devhandle + * %o1: msiqid + * %o2: valid + * + * returns %o0: status + */ + .globl pci_sun4v_msiq_setvalid +pci_sun4v_msiq_setvalid: + mov HV_FAST_PCI_MSIQ_SETVALID, %o5 + ta HV_FAST_TRAP + retl + mov %o0, %o0 + + /* %o0: devhandle + * %o1: msiqid + * %o2: &state + * + * returns %o0: status + */ + .globl pci_sun4v_msiq_getstate +pci_sun4v_msiq_getstate: + mov HV_FAST_PCI_MSIQ_GETSTATE, %o5 + ta HV_FAST_TRAP + stx %o1, [%o2] + retl + mov %o0, %o0 + + /* %o0: devhandle + * %o1: msiqid + * %o2: state + * + * returns %o0: status + */ + .globl pci_sun4v_msiq_setstate +pci_sun4v_msiq_setstate: + mov HV_FAST_PCI_MSIQ_SETSTATE, %o5 + ta HV_FAST_TRAP + retl + mov %o0, %o0 + + /* %o0: devhandle + * %o1: msiqid + * %o2: &head + * + * returns %o0: status + */ + .globl pci_sun4v_msiq_gethead +pci_sun4v_msiq_gethead: + mov HV_FAST_PCI_MSIQ_GETHEAD, %o5 + ta HV_FAST_TRAP + stx %o1, [%o2] + retl + mov %o0, %o0 + + /* %o0: devhandle + * %o1: msiqid + * %o2: head + * + * returns %o0: status + */ + .globl pci_sun4v_msiq_sethead +pci_sun4v_msiq_sethead: + mov HV_FAST_PCI_MSIQ_SETHEAD, %o5 + ta HV_FAST_TRAP + retl + mov %o0, %o0 + + /* %o0: devhandle + * %o1: msiqid + * %o2: &tail + * + * returns %o0: status + */ + .globl pci_sun4v_msiq_gettail +pci_sun4v_msiq_gettail: + mov HV_FAST_PCI_MSIQ_GETTAIL, %o5 + ta HV_FAST_TRAP + stx %o1, [%o2] + retl + mov %o0, %o0 + + /* %o0: devhandle + * %o1: msinum + * %o2: &valid + * + * returns %o0: status + */ + .globl pci_sun4v_msi_getvalid +pci_sun4v_msi_getvalid: + mov HV_FAST_PCI_MSI_GETVALID, %o5 + ta HV_FAST_TRAP + stx %o1, [%o2] + retl + mov %o0, %o0 + + /* %o0: devhandle + * %o1: msinum + * %o2: valid + * + * returns %o0: status + */ + .globl pci_sun4v_msi_setvalid +pci_sun4v_msi_setvalid: + mov HV_FAST_PCI_MSI_SETVALID, %o5 + ta HV_FAST_TRAP + retl + mov %o0, %o0 + + /* %o0: devhandle + * %o1: msinum + * %o2: &msiq + * + * returns %o0: status + */ + .globl pci_sun4v_msi_getmsiq +pci_sun4v_msi_getmsiq: + mov HV_FAST_PCI_MSI_GETMSIQ, %o5 + ta HV_FAST_TRAP + stx %o1, [%o2] + retl + mov %o0, %o0 + + /* %o0: devhandle + * %o1: msinum + * %o2: msitype + * %o3: msiq + * + * returns %o0: status + */ + .globl pci_sun4v_msi_setmsiq +pci_sun4v_msi_setmsiq: + mov HV_FAST_PCI_MSI_SETMSIQ, %o5 + ta HV_FAST_TRAP + retl + mov %o0, %o0 + + /* %o0: devhandle + * %o1: msinum + * %o2: &state + * + * returns %o0: status + */ + .globl pci_sun4v_msi_getstate +pci_sun4v_msi_getstate: + mov HV_FAST_PCI_MSI_GETSTATE, %o5 + ta HV_FAST_TRAP + stx %o1, [%o2] + retl + mov %o0, %o0 + + /* %o0: devhandle + * %o1: msinum + * %o2: state + * + * returns %o0: status + */ + .globl pci_sun4v_msi_setstate +pci_sun4v_msi_setstate: + mov HV_FAST_PCI_MSI_SETSTATE, %o5 + ta HV_FAST_TRAP + retl + mov %o0, %o0 + + /* %o0: devhandle + * %o1: msinum + * %o2: &msiq + * + * returns %o0: status + */ + .globl pci_sun4v_msg_getmsiq +pci_sun4v_msg_getmsiq: + mov HV_FAST_PCI_MSG_GETMSIQ, %o5 + ta HV_FAST_TRAP + stx %o1, [%o2] + retl + mov %o0, %o0 + + /* %o0: devhandle + * %o1: msinum + * %o2: msiq + * + * returns %o0: status + */ + .globl pci_sun4v_msg_setmsiq +pci_sun4v_msg_setmsiq: + mov HV_FAST_PCI_MSG_SETMSIQ, %o5 + ta HV_FAST_TRAP + retl + mov %o0, %o0 + + /* %o0: devhandle + * %o1: msinum + * %o2: &valid + * + * returns %o0: status + */ + .globl pci_sun4v_msg_getvalid +pci_sun4v_msg_getvalid: + mov HV_FAST_PCI_MSG_GETVALID, %o5 + ta HV_FAST_TRAP + stx %o1, [%o2] + retl + mov %o0, %o0 + + /* %o0: devhandle + * %o1: msinum + * %o2: valid + * + * returns %o0: status + */ + .globl pci_sun4v_msg_setvalid +pci_sun4v_msg_setvalid: + mov HV_FAST_PCI_MSG_SETVALID, %o5 + ta HV_FAST_TRAP + retl + mov %o0, %o0 + diff --git a/arch/sparc64/kernel/setup.c b/arch/sparc64/kernel/setup.c index bf033b31d43..451028341c7 100644 --- a/arch/sparc64/kernel/setup.c +++ b/arch/sparc64/kernel/setup.c @@ -315,7 +315,7 @@ void __init setup_arch(char **cmdline_p) { /* Initialize PROM console and command line. */ *cmdline_p = prom_getbootargs(); - strcpy(saved_command_line, *cmdline_p); + strcpy(boot_command_line, *cmdline_p); if (tlb_type == hypervisor) printk("ARCH: SUN4V\n"); diff --git a/arch/sparc64/kernel/sunos_ioctl32.c b/arch/sparc64/kernel/sunos_ioctl32.c index 3f619ead22c..a05e43d5175 100644 --- a/arch/sparc64/kernel/sunos_ioctl32.c +++ b/arch/sparc64/kernel/sunos_ioctl32.c @@ -11,6 +11,7 @@ #include <linux/errno.h> #include <linux/string.h> #include <linux/termios.h> +#include <linux/tty.h> #include <linux/ioctl.h> #include <linux/route.h> #include <linux/sockios.h> diff --git a/arch/sparc64/kernel/sys_sparc32.c b/arch/sparc64/kernel/sys_sparc32.c index e27cb71bd8e..7876a022628 100644 --- a/arch/sparc64/kernel/sys_sparc32.c +++ b/arch/sparc64/kernel/sys_sparc32.c @@ -459,70 +459,6 @@ asmlinkage long compat_sys_sysfs(int option, u32 arg1, u32 arg2) return sys_sysfs(option, arg1, arg2); } -struct sysinfo32 { - s32 uptime; - u32 loads[3]; - u32 totalram; - u32 freeram; - u32 sharedram; - u32 bufferram; - u32 totalswap; - u32 freeswap; - unsigned short procs; - unsigned short pad; - u32 totalhigh; - u32 freehigh; - u32 mem_unit; - char _f[20-2*sizeof(int)-sizeof(int)]; -}; - -asmlinkage long sys32_sysinfo(struct sysinfo32 __user *info) -{ - struct sysinfo s; - int ret, err; - int bitcount = 0; - mm_segment_t old_fs = get_fs (); - - set_fs(KERNEL_DS); - ret = sys_sysinfo((struct sysinfo __user *) &s); - set_fs(old_fs); - /* Check to see if any memory value is too large for 32-bit and - * scale down if needed. - */ - if ((s.totalram >> 32) || (s.totalswap >> 32)) { - while (s.mem_unit < PAGE_SIZE) { - s.mem_unit <<= 1; - bitcount++; - } - s.totalram >>= bitcount; - s.freeram >>= bitcount; - s.sharedram >>= bitcount; - s.bufferram >>= bitcount; - s.totalswap >>= bitcount; - s.freeswap >>= bitcount; - s.totalhigh >>= bitcount; - s.freehigh >>= bitcount; - } - - err = put_user (s.uptime, &info->uptime); - err |= __put_user (s.loads[0], &info->loads[0]); - err |= __put_user (s.loads[1], &info->loads[1]); - err |= __put_user (s.loads[2], &info->loads[2]); - err |= __put_user (s.totalram, &info->totalram); - err |= __put_user (s.freeram, &info->freeram); - err |= __put_user (s.sharedram, &info->sharedram); - err |= __put_user (s.bufferram, &info->bufferram); - err |= __put_user (s.totalswap, &info->totalswap); - err |= __put_user (s.freeswap, &info->freeswap); - err |= __put_user (s.procs, &info->procs); - err |= __put_user (s.totalhigh, &info->totalhigh); - err |= __put_user (s.freehigh, &info->freehigh); - err |= __put_user (s.mem_unit, &info->mem_unit); - if (err) - return -EFAULT; - return ret; -} - asmlinkage long compat_sys_sched_rr_get_interval(compat_pid_t pid, struct compat_timespec __user *interval) { struct timespec t; diff --git a/arch/sparc64/kernel/sys_sunos32.c b/arch/sparc64/kernel/sys_sunos32.c index 2ebc2c05138..4cff95b7b3a 100644 --- a/arch/sparc64/kernel/sys_sunos32.c +++ b/arch/sparc64/kernel/sys_sunos32.c @@ -824,10 +824,17 @@ asmlinkage int sunos_wait4(compat_pid_t pid, compat_uint_t __user *stat_addr, in return ret; } -extern int kill_pg(int, int, int); asmlinkage int sunos_killpg(int pgrp, int sig) { - return kill_pg(pgrp, sig, 0); + int ret; + + rcu_read_lock(); + ret = -EINVAL; + if (pgrp > 0) + ret = kill_pgrp(find_pid(pgrp), sig, 0); + rcu_read_unlock(); + + return ret; } asmlinkage int sunos_audit(void) diff --git a/arch/sparc64/kernel/systbls.S b/arch/sparc64/kernel/systbls.S index 9a8026797ac..948b7d2d587 100644 --- a/arch/sparc64/kernel/systbls.S +++ b/arch/sparc64/kernel/systbls.S @@ -61,7 +61,7 @@ sys_call_table32: .word sys32_epoll_wait, sys32_ioprio_set, sys_getppid, sys32_sigaction, sys_sgetmask /*200*/ .word sys32_ssetmask, sys_sigsuspend, compat_sys_newlstat, sys_uselib, compat_sys_old_readdir .word sys32_readahead, sys32_socketcall, sys32_syslog, sys32_lookup_dcookie, sys32_fadvise64 -/*210*/ .word sys32_fadvise64_64, sys32_tgkill, sys32_waitpid, sys_swapoff, sys32_sysinfo +/*210*/ .word sys32_fadvise64_64, sys32_tgkill, sys32_waitpid, sys_swapoff, compat_sys_sysinfo .word sys32_ipc, sys32_sigreturn, sys_clone, sys32_ioprio_get, compat_sys_adjtimex /*220*/ .word sys32_sigprocmask, sys_ni_syscall, sys32_delete_module, sys_ni_syscall, sys32_getpgid .word sys32_bdflush, sys32_sysfs, sys_nis_syscall, sys32_setfsuid16, sys32_setfsgid16 diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c index 061e1b1fa58..f84da4f1b70 100644 --- a/arch/sparc64/kernel/time.c +++ b/arch/sparc64/kernel/time.c @@ -1327,7 +1327,7 @@ static int mini_rtc_release(struct inode *inode, struct file *file) } -static struct file_operations mini_rtc_fops = { +static const struct file_operations mini_rtc_fops = { .owner = THIS_MODULE, .ioctl = mini_rtc_ioctl, .open = mini_rtc_open, diff --git a/arch/sparc64/kernel/vmlinux.lds.S b/arch/sparc64/kernel/vmlinux.lds.S index 4a6063f33e7..13fa2a2e451 100644 --- a/arch/sparc64/kernel/vmlinux.lds.S +++ b/arch/sparc64/kernel/vmlinux.lds.S @@ -81,10 +81,14 @@ SECTIONS __sun4v_2insn_patch = .; .sun4v_2insn_patch : { *(.sun4v_2insn_patch) } __sun4v_2insn_patch_end = .; + +#ifdef CONFIG_BLK_DEV_INITRD . = ALIGN(8192); __initramfs_start = .; .init.ramfs : { *(.init.ramfs) } __initramfs_end = .; +#endif + . = ALIGN(8192); __per_cpu_start = .; .data.percpu : { *(.data.percpu) } diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c index 054822a3e05..b1a1ee0cc6b 100644 --- a/arch/sparc64/mm/init.c +++ b/arch/sparc64/mm/init.c @@ -416,7 +416,7 @@ void show_mem(void) printk("Free swap: %6ldkB\n", nr_swap_pages << (PAGE_SHIFT-10)); printk("%ld pages of RAM\n", num_physpages); - printk("%d free pages\n", nr_free_pages()); + printk("%lu free pages\n", nr_free_pages()); } void mmu_info(struct seq_file *m) @@ -1467,8 +1467,8 @@ void __init paging_init(void) for (znum = 0; znum < MAX_NR_ZONES; znum++) zones_size[znum] = zholes_size[znum] = 0; - zones_size[ZONE_DMA] = end_pfn; - zholes_size[ZONE_DMA] = end_pfn - pages_avail; + zones_size[ZONE_NORMAL] = end_pfn; + zholes_size[ZONE_NORMAL] = end_pfn - pages_avail; free_area_init_node(0, &contig_page_data, zones_size, __pa(PAGE_OFFSET) >> PAGE_SHIFT, @@ -1593,7 +1593,7 @@ void __init mem_init(void) initpages = (((unsigned long) __init_end) - ((unsigned long) __init_begin)); initpages = PAGE_ALIGN(initpages) >> PAGE_SHIFT; - printk("Memory: %uk available (%ldk kernel code, %ldk data, %ldk init) [%016lx,%016lx]\n", + printk("Memory: %luk available (%ldk kernel code, %ldk data, %ldk init) [%016lx,%016lx]\n", nr_free_pages() << (PAGE_SHIFT-10), codepages << (PAGE_SHIFT-10), datapages << (PAGE_SHIFT-10), diff --git a/arch/sparc64/solaris/socksys.c b/arch/sparc64/solaris/socksys.c index 89a4757f192..c2864447de8 100644 --- a/arch/sparc64/solaris/socksys.c +++ b/arch/sparc64/solaris/socksys.c @@ -163,7 +163,7 @@ static unsigned int socksys_poll(struct file * filp, poll_table * wait) return mask; } -static struct file_operations socksys_fops = { +static const struct file_operations socksys_fops = { .open = socksys_open, .release = socksys_release, }; diff --git a/arch/um/Kconfig b/arch/um/Kconfig index d32a80e6668..b3a21ba77cd 100644 --- a/arch/um/Kconfig +++ b/arch/um/Kconfig @@ -16,6 +16,9 @@ config MMU bool default y +config NO_IOMEM + def_bool y + mainmenu "Linux/Usermode Kernel Configuration" config ISA diff --git a/arch/um/drivers/chan_kern.c b/arch/um/drivers/chan_kern.c index 7d4190e5565..7b8baf146ac 100644 --- a/arch/um/drivers/chan_kern.c +++ b/arch/um/drivers/chan_kern.c @@ -19,44 +19,11 @@ #include "line.h" #include "os.h" -/* XXX: could well be moved to somewhere else, if needed. */ -static int my_printf(const char * fmt, ...) - __attribute__ ((format (printf, 1, 2))); - -static int my_printf(const char * fmt, ...) -{ - /* Yes, can be called on atomic context.*/ - char *buf = kmalloc(4096, GFP_ATOMIC); - va_list args; - int r; - - if (!buf) { - /* We print directly fmt. - * Yes, yes, yes, feel free to complain. */ - r = strlen(fmt); - } else { - va_start(args, fmt); - r = vsprintf(buf, fmt, args); - va_end(args); - fmt = buf; - } - - if (r) - r = os_write_file(1, fmt, r); - return r; - -} - #ifdef CONFIG_NOCONFIG_CHAN -/* Despite its name, there's no added trailing newline. */ -static int my_puts(const char * buf) -{ - return os_write_file(1, buf, strlen(buf)); -} - -static void *not_configged_init(char *str, int device, struct chan_opts *opts) +static void *not_configged_init(char *str, int device, + const struct chan_opts *opts) { - my_puts("Using a channel type which is configured out of " + printk("Using a channel type which is configured out of " "UML\n"); return NULL; } @@ -64,34 +31,34 @@ static void *not_configged_init(char *str, int device, struct chan_opts *opts) static int not_configged_open(int input, int output, int primary, void *data, char **dev_out) { - my_puts("Using a channel type which is configured out of " + printk("Using a channel type which is configured out of " "UML\n"); return -ENODEV; } static void not_configged_close(int fd, void *data) { - my_puts("Using a channel type which is configured out of " + printk("Using a channel type which is configured out of " "UML\n"); } static int not_configged_read(int fd, char *c_out, void *data) { - my_puts("Using a channel type which is configured out of " + printk("Using a channel type which is configured out of " "UML\n"); return -EIO; } static int not_configged_write(int fd, const char *buf, int len, void *data) { - my_puts("Using a channel type which is configured out of " + printk("Using a channel type which is configured out of " "UML\n"); return -EIO; } static int not_configged_console_write(int fd, const char *buf, int len) { - my_puts("Using a channel type which is configured out of " + printk("Using a channel type which is configured out of " "UML\n"); return -EIO; } @@ -99,14 +66,14 @@ static int not_configged_console_write(int fd, const char *buf, int len) static int not_configged_window_size(int fd, void *data, unsigned short *rows, unsigned short *cols) { - my_puts("Using a channel type which is configured out of " + printk("Using a channel type which is configured out of " "UML\n"); return -ENODEV; } static void not_configged_free(void *data) { - my_puts("Using a channel type which is configured out of " + printk("Using a channel type which is configured out of " "UML\n"); } @@ -255,15 +222,28 @@ void enable_chan(struct line *line) } } +/* Items are added in IRQ context, when free_irq can't be called, and + * removed in process context, when it can. + * This handles interrupt sources which disappear, and which need to + * be permanently disabled. This is discovered in IRQ context, but + * the freeing of the IRQ must be done later. + */ +static DEFINE_SPINLOCK(irqs_to_free_lock); static LIST_HEAD(irqs_to_free); void free_irqs(void) { struct chan *chan; + LIST_HEAD(list); + struct list_head *ele; - while(!list_empty(&irqs_to_free)){ - chan = list_entry(irqs_to_free.next, struct chan, free_list); - list_del(&chan->free_list); + spin_lock_irq(&irqs_to_free_lock); + list_splice_init(&irqs_to_free, &list); + INIT_LIST_HEAD(&irqs_to_free); + spin_unlock_irq(&irqs_to_free_lock); + + list_for_each(ele, &list){ + chan = list_entry(ele, struct chan, free_list); if(chan->input) free_irq(chan->line->driver->read_irq, chan); @@ -279,7 +259,9 @@ static void close_one_chan(struct chan *chan, int delay_free_irq) return; if(delay_free_irq){ + spin_lock_irq(&irqs_to_free_lock); list_add(&chan->free_list, &irqs_to_free); + spin_unlock_irq(&irqs_to_free_lock); } else { if(chan->input) @@ -372,8 +354,7 @@ int console_write_chan(struct list_head *chans, const char *buf, int len) return ret; } -int console_open_chan(struct line *line, struct console *co, - const struct chan_opts *opts) +int console_open_chan(struct line *line, struct console *co) { int err; @@ -381,7 +362,7 @@ int console_open_chan(struct line *line, struct console *co, if(err) return err; - printk("Console initialized on /dev/%s%d\n",co->name,co->index); + printk("Console initialized on /dev/%s%d\n", co->name, co->index); return 0; } @@ -534,7 +515,7 @@ static const struct chan_type chan_table[] = { }; static struct chan *parse_chan(struct line *line, char *str, int device, - const struct chan_opts *opts) + const struct chan_opts *opts, char **error_out) { const struct chan_type *entry; const struct chan_ops *ops; @@ -553,19 +534,21 @@ static struct chan *parse_chan(struct line *line, char *str, int device, } } if(ops == NULL){ - my_printf("parse_chan couldn't parse \"%s\"\n", - str); + *error_out = "No match for configured backends"; return NULL; } - if(ops->init == NULL) - return NULL; + data = (*ops->init)(str, device, opts); - if(data == NULL) + if(data == NULL){ + *error_out = "Configuration failed"; return NULL; + } chan = kmalloc(sizeof(*chan), GFP_ATOMIC); - if(chan == NULL) + if(chan == NULL){ + *error_out = "Memory allocation failed"; return NULL; + } *chan = ((struct chan) { .list = LIST_HEAD_INIT(chan->list), .free_list = LIST_HEAD_INIT(chan->free_list), @@ -582,7 +565,7 @@ static struct chan *parse_chan(struct line *line, char *str, int device, } int parse_chan_pair(char *str, struct line *line, int device, - const struct chan_opts *opts) + const struct chan_opts *opts, char **error_out) { struct list_head *chans = &line->chan_list; struct chan *new, *chan; @@ -599,14 +582,14 @@ int parse_chan_pair(char *str, struct line *line, int device, in = str; *out = '\0'; out++; - new = parse_chan(line, in, device, opts); + new = parse_chan(line, in, device, opts, error_out); if(new == NULL) return -1; new->input = 1; list_add(&new->list, chans); - new = parse_chan(line, out, device, opts); + new = parse_chan(line, out, device, opts, error_out); if(new == NULL) return -1; @@ -614,7 +597,7 @@ int parse_chan_pair(char *str, struct line *line, int device, new->output = 1; } else { - new = parse_chan(line, str, device, opts); + new = parse_chan(line, str, device, opts, error_out); if(new == NULL) return -1; diff --git a/arch/um/drivers/harddog_kern.c b/arch/um/drivers/harddog_kern.c index 64ff22aa077..55601687b3b 100644 --- a/arch/um/drivers/harddog_kern.c +++ b/arch/um/drivers/harddog_kern.c @@ -9,10 +9,10 @@ * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. - * - * Neither Alan Cox nor CymruNet Ltd. admit liability nor provide - * warranty for any of this software. This material is provided - * "AS-IS" and at no charge. + * + * Neither Alan Cox nor CymruNet Ltd. admit liability nor provide + * warranty for any of this software. This material is provided + * "AS-IS" and at no charge. * * (c) Copyright 1995 Alan Cox <alan@lxorguk.ukuu.org.uk> * @@ -29,11 +29,11 @@ * Made SMP safe for 2.3.x * * 20011127 Joel Becker (jlbec@evilplan.org> - * Added soft_noboot; Allows testing the softdog trigger without + * Added soft_noboot; Allows testing the softdog trigger without * requiring a recompile. * Added WDIOC_GETTIMEOUT and WDIOC_SETTIMOUT. */ - + #include <linux/module.h> #include <linux/types.h> #include <linux/kernel.h> @@ -44,12 +44,13 @@ #include <linux/reboot.h> #include <linux/smp_lock.h> #include <linux/init.h> +#include <linux/spinlock.h> #include <asm/uaccess.h> #include "mconsole.h" MODULE_LICENSE("GPL"); -/* Locked by the BKL in harddog_open and harddog_release */ +static DEFINE_SPINLOCK(lock); static int timer_alive; static int harddog_in_fd = -1; static int harddog_out_fd = -1; @@ -57,18 +58,18 @@ static int harddog_out_fd = -1; /* * Allow only one person to hold it open */ - + extern int start_watchdog(int *in_fd_ret, int *out_fd_ret, char *sock); static int harddog_open(struct inode *inode, struct file *file) { - int err; + int err = -EBUSY; char *sock = NULL; - lock_kernel(); + spin_lock(&lock); if(timer_alive) - return -EBUSY; -#ifdef CONFIG_HARDDOG_NOWAYOUT + goto err; +#ifdef CONFIG_HARDDOG_NOWAYOUT __module_get(THIS_MODULE); #endif @@ -76,11 +77,15 @@ static int harddog_open(struct inode *inode, struct file *file) sock = mconsole_notify_socket(); #endif err = start_watchdog(&harddog_in_fd, &harddog_out_fd, sock); - if(err) return(err); + if(err) + goto err; timer_alive = 1; - unlock_kernel(); + spin_unlock(&lock); return nonseekable_open(inode, file); +err: + spin_unlock(&lock); + return err; } extern void stop_watchdog(int in_fd, int out_fd); @@ -90,14 +95,16 @@ static int harddog_release(struct inode *inode, struct file *file) /* * Shut off the timer. */ - lock_kernel(); + + spin_lock(&lock); stop_watchdog(harddog_in_fd, harddog_out_fd); harddog_in_fd = -1; harddog_out_fd = -1; timer_alive=0; - unlock_kernel(); + spin_unlock(&lock); + return 0; } @@ -110,7 +117,7 @@ static ssize_t harddog_write(struct file *file, const char __user *data, size_t * Refresh the timer. */ if(len) - return(ping_watchdog(harddog_out_fd)); + return ping_watchdog(harddog_out_fd); return 0; } @@ -134,11 +141,11 @@ static int harddog_ioctl(struct inode *inode, struct file *file, case WDIOC_GETBOOTSTATUS: return put_user(0,(int __user *)argp); case WDIOC_KEEPALIVE: - return(ping_watchdog(harddog_out_fd)); + return ping_watchdog(harddog_out_fd); } } -static struct file_operations harddog_fops = { +static const struct file_operations harddog_fops = { .owner = THIS_MODULE, .write = harddog_write, .ioctl = harddog_ioctl, @@ -165,7 +172,7 @@ static int __init harddog_init(void) printk(banner); - return(0); + return 0; } static void __exit harddog_exit(void) @@ -175,14 +182,3 @@ static void __exit harddog_exit(void) module_init(harddog_init); module_exit(harddog_exit); - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/drivers/harddog_user.c b/arch/um/drivers/harddog_user.c index def013b5a3c..c495ecf263b 100644 --- a/arch/um/drivers/harddog_user.c +++ b/arch/um/drivers/harddog_user.c @@ -1,4 +1,4 @@ -/* +/* * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) * Licensed under the GPL */ @@ -38,7 +38,7 @@ int start_watchdog(int *in_fd_ret, int *out_fd_ret, char *sock) int in_fds[2], out_fds[2], pid, n, err; char pid_buf[sizeof("nnnnn\0")], c; char *pid_args[] = { "/usr/bin/uml_watchdog", "-pid", pid_buf, NULL }; - char *mconsole_args[] = { "/usr/bin/uml_watchdog", "-mconsole", NULL, + char *mconsole_args[] = { "/usr/bin/uml_watchdog", "-mconsole", NULL, NULL }; char **args = NULL; @@ -96,7 +96,7 @@ int start_watchdog(int *in_fd_ret, int *out_fd_ret, char *sock) } *in_fd_ret = in_fds[0]; *out_fd_ret = out_fds[1]; - return(0); + return 0; out_close_in: os_close_file(in_fds[0]); @@ -105,7 +105,7 @@ int start_watchdog(int *in_fd_ret, int *out_fd_ret, char *sock) os_close_file(out_fds[0]); os_close_file(out_fds[1]); out: - return(err); + return err; } void stop_watchdog(int in_fd, int out_fd) @@ -123,20 +123,9 @@ int ping_watchdog(int fd) if(n != sizeof(c)){ printk("ping_watchdog - write failed, err = %d\n", -n); if(n < 0) - return(n); - return(-EIO); + return n; + return -EIO; } return 1; } - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/drivers/hostaudio_kern.c b/arch/um/drivers/hostaudio_kern.c index a0d148ea63d..10e08a8c17c 100644 --- a/arch/um/drivers/hostaudio_kern.c +++ b/arch/um/drivers/hostaudio_kern.c @@ -15,19 +15,22 @@ #include "os.h" struct hostaudio_state { - int fd; + int fd; }; struct hostmixer_state { - int fd; + int fd; }; #define HOSTAUDIO_DEV_DSP "/dev/sound/dsp" #define HOSTAUDIO_DEV_MIXER "/dev/sound/mixer" -/* Only changed from linux_main at boot time */ -char *dsp = HOSTAUDIO_DEV_DSP; -char *mixer = HOSTAUDIO_DEV_MIXER; +/* Changed either at boot time or module load time. At boot, this is + * single-threaded; at module load, multiple modules would each have + * their own copy of these variables. + */ +static char *dsp = HOSTAUDIO_DEV_DSP; +static char *mixer = HOSTAUDIO_DEV_MIXER; #define DSP_HELP \ " This is used to specify the host dsp device to the hostaudio driver.\n" \ @@ -69,12 +72,12 @@ MODULE_PARM_DESC(mixer, MIXER_HELP); static ssize_t hostaudio_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos) { - struct hostaudio_state *state = file->private_data; + struct hostaudio_state *state = file->private_data; void *kbuf; int err; #ifdef DEBUG - printk("hostaudio: read called, count = %d\n", count); + printk("hostaudio: read called, count = %d\n", count); #endif kbuf = kmalloc(count, GFP_KERNEL); @@ -88,7 +91,7 @@ static ssize_t hostaudio_read(struct file *file, char __user *buffer, if(copy_to_user(buffer, kbuf, err)) err = -EFAULT; - out: +out: kfree(kbuf); return(err); } @@ -96,12 +99,12 @@ static ssize_t hostaudio_read(struct file *file, char __user *buffer, static ssize_t hostaudio_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos) { - struct hostaudio_state *state = file->private_data; + struct hostaudio_state *state = file->private_data; void *kbuf; int err; #ifdef DEBUG - printk("hostaudio: write called, count = %d\n", count); + printk("hostaudio: write called, count = %d\n", count); #endif kbuf = kmalloc(count, GFP_KERNEL); @@ -125,24 +128,24 @@ static ssize_t hostaudio_write(struct file *file, const char __user *buffer, static unsigned int hostaudio_poll(struct file *file, struct poll_table_struct *wait) { - unsigned int mask = 0; + unsigned int mask = 0; #ifdef DEBUG - printk("hostaudio: poll called (unimplemented)\n"); + printk("hostaudio: poll called (unimplemented)\n"); #endif - return(mask); + return(mask); } static int hostaudio_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { - struct hostaudio_state *state = file->private_data; + struct hostaudio_state *state = file->private_data; unsigned long data = 0; int err; #ifdef DEBUG - printk("hostaudio: ioctl called, cmd = %u\n", cmd); + printk("hostaudio: ioctl called, cmd = %u\n", cmd); #endif switch(cmd){ case SNDCTL_DSP_SPEED: @@ -179,42 +182,40 @@ static int hostaudio_ioctl(struct inode *inode, struct file *file, static int hostaudio_open(struct inode *inode, struct file *file) { - struct hostaudio_state *state; - int r = 0, w = 0; - int ret; + struct hostaudio_state *state; + int r = 0, w = 0; + int ret; #ifdef DEBUG - printk("hostaudio: open called (host: %s)\n", dsp); + printk("hostaudio: open called (host: %s)\n", dsp); #endif - state = kmalloc(sizeof(struct hostaudio_state), GFP_KERNEL); - if(state == NULL) + state = kmalloc(sizeof(struct hostaudio_state), GFP_KERNEL); + if(state == NULL) return(-ENOMEM); - if(file->f_mode & FMODE_READ) r = 1; - if(file->f_mode & FMODE_WRITE) w = 1; + if(file->f_mode & FMODE_READ) r = 1; + if(file->f_mode & FMODE_WRITE) w = 1; ret = os_open_file(dsp, of_set_rw(OPENFLAGS(), r, w), 0); - if(ret < 0){ + if(ret < 0){ kfree(state); return(ret); - } - + } state->fd = ret; - file->private_data = state; - return(0); + file->private_data = state; + return(0); } static int hostaudio_release(struct inode *inode, struct file *file) { - struct hostaudio_state *state = file->private_data; + struct hostaudio_state *state = file->private_data; #ifdef DEBUG - printk("hostaudio: release called\n"); + printk("hostaudio: release called\n"); #endif - - os_close_file(state->fd); - kfree(state); + os_close_file(state->fd); + kfree(state); return(0); } @@ -224,10 +225,10 @@ static int hostaudio_release(struct inode *inode, struct file *file) static int hostmixer_ioctl_mixdev(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { - struct hostmixer_state *state = file->private_data; + struct hostmixer_state *state = file->private_data; #ifdef DEBUG - printk("hostmixer: ioctl called\n"); + printk("hostmixer: ioctl called\n"); #endif return(os_ioctl_generic(state->fd, cmd, arg)); @@ -235,68 +236,67 @@ static int hostmixer_ioctl_mixdev(struct inode *inode, struct file *file, static int hostmixer_open_mixdev(struct inode *inode, struct file *file) { - struct hostmixer_state *state; - int r = 0, w = 0; - int ret; + struct hostmixer_state *state; + int r = 0, w = 0; + int ret; #ifdef DEBUG - printk("hostmixer: open called (host: %s)\n", mixer); + printk("hostmixer: open called (host: %s)\n", mixer); #endif - state = kmalloc(sizeof(struct hostmixer_state), GFP_KERNEL); - if(state == NULL) return(-ENOMEM); + state = kmalloc(sizeof(struct hostmixer_state), GFP_KERNEL); + if(state == NULL) return(-ENOMEM); - if(file->f_mode & FMODE_READ) r = 1; - if(file->f_mode & FMODE_WRITE) w = 1; + if(file->f_mode & FMODE_READ) r = 1; + if(file->f_mode & FMODE_WRITE) w = 1; ret = os_open_file(mixer, of_set_rw(OPENFLAGS(), r, w), 0); - if(ret < 0){ + if(ret < 0){ printk("hostaudio_open_mixdev failed to open '%s', err = %d\n", dsp, -ret); kfree(state); return(ret); - } + } - file->private_data = state; - return(0); + file->private_data = state; + return(0); } static int hostmixer_release(struct inode *inode, struct file *file) { - struct hostmixer_state *state = file->private_data; + struct hostmixer_state *state = file->private_data; #ifdef DEBUG - printk("hostmixer: release called\n"); + printk("hostmixer: release called\n"); #endif - os_close_file(state->fd); - kfree(state); + os_close_file(state->fd); + kfree(state); return(0); } - /* kernel module operations */ static const struct file_operations hostaudio_fops = { - .owner = THIS_MODULE, - .llseek = no_llseek, - .read = hostaudio_read, - .write = hostaudio_write, - .poll = hostaudio_poll, - .ioctl = hostaudio_ioctl, - .mmap = NULL, - .open = hostaudio_open, - .release = hostaudio_release, + .owner = THIS_MODULE, + .llseek = no_llseek, + .read = hostaudio_read, + .write = hostaudio_write, + .poll = hostaudio_poll, + .ioctl = hostaudio_ioctl, + .mmap = NULL, + .open = hostaudio_open, + .release = hostaudio_release, }; static const struct file_operations hostmixer_fops = { - .owner = THIS_MODULE, - .llseek = no_llseek, - .ioctl = hostmixer_ioctl_mixdev, - .open = hostmixer_open_mixdev, - .release = hostmixer_release, + .owner = THIS_MODULE, + .llseek = no_llseek, + .ioctl = hostmixer_ioctl_mixdev, + .open = hostmixer_open_mixdev, + .release = hostmixer_release, }; struct { @@ -310,42 +310,31 @@ MODULE_LICENSE("GPL"); static int __init hostaudio_init_module(void) { - printk(KERN_INFO "UML Audio Relay (host dsp = %s, host mixer = %s)\n", + printk(KERN_INFO "UML Audio Relay (host dsp = %s, host mixer = %s)\n", dsp, mixer); module_data.dev_audio = register_sound_dsp(&hostaudio_fops, -1); - if(module_data.dev_audio < 0){ - printk(KERN_ERR "hostaudio: couldn't register DSP device!\n"); - return -ENODEV; - } + if(module_data.dev_audio < 0){ + printk(KERN_ERR "hostaudio: couldn't register DSP device!\n"); + return -ENODEV; + } module_data.dev_mixer = register_sound_mixer(&hostmixer_fops, -1); - if(module_data.dev_mixer < 0){ - printk(KERN_ERR "hostmixer: couldn't register mixer " + if(module_data.dev_mixer < 0){ + printk(KERN_ERR "hostmixer: couldn't register mixer " "device!\n"); - unregister_sound_dsp(module_data.dev_audio); - return -ENODEV; - } + unregister_sound_dsp(module_data.dev_audio); + return -ENODEV; + } - return 0; + return 0; } static void __exit hostaudio_cleanup_module (void) { - unregister_sound_mixer(module_data.dev_mixer); - unregister_sound_dsp(module_data.dev_audio); + unregister_sound_mixer(module_data.dev_mixer); + unregister_sound_dsp(module_data.dev_audio); } module_init(hostaudio_init_module); module_exit(hostaudio_cleanup_module); - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c index 83301e1ef67..01d4ab6b0ef 100644 --- a/arch/um/drivers/line.c +++ b/arch/um/drivers/line.c @@ -191,7 +191,6 @@ void line_flush_buffer(struct tty_struct *tty) /*XXX: copied from line_write, verify if it is correct!*/ if(tty->stopped) return; - //return 0; spin_lock_irqsave(&line->lock, flags); err = flush_buffer(line); @@ -421,42 +420,55 @@ int line_setup_irq(int fd, int input, int output, struct line *line, void *data) return err; } +/* Normally, a driver like this can rely mostly on the tty layer + * locking, particularly when it comes to the driver structure. + * However, in this case, mconsole requests can come in "from the + * side", and race with opens and closes. + * + * mconsole config requests will want to be sure the device isn't in + * use, and get_config, open, and close will want a stable + * configuration. The checking and modification of the configuration + * is done under a spinlock. Checking whether the device is in use is + * line->tty->count > 1, also under the spinlock. + * + * tty->count serves to decide whether the device should be enabled or + * disabled on the host. If it's equal to 1, then we are doing the + * first open or last close. Otherwise, open and close just return. + */ + int line_open(struct line *lines, struct tty_struct *tty) { - struct line *line; + struct line *line = &lines[tty->index]; int err = -ENODEV; - line = &lines[tty->index]; - tty->driver_data = line; + spin_lock(&line->count_lock); + if(!line->valid) + goto out_unlock; - /* The IRQ which takes this lock is not yet enabled and won't be run - * before the end, so we don't need to use spin_lock_irq.*/ - spin_lock(&line->lock); + err = 0; + if(tty->count > 1) + goto out_unlock; + + spin_unlock(&line->count_lock); tty->driver_data = line; line->tty = tty; - if(!line->valid) - goto out; - if(tty->count == 1){ - /* Here the device is opened, if necessary, and interrupt - * is registered. - */ - enable_chan(line); - INIT_DELAYED_WORK(&line->task, line_timer_cb); + enable_chan(line); + INIT_DELAYED_WORK(&line->task, line_timer_cb); - if(!line->sigio){ - chan_enable_winch(&line->chan_list, tty); - line->sigio = 1; - } - - chan_window_size(&line->chan_list, &tty->winsize.ws_row, - &tty->winsize.ws_col); + if(!line->sigio){ + chan_enable_winch(&line->chan_list, tty); + line->sigio = 1; } - err = 0; -out: - spin_unlock(&line->lock); + chan_window_size(&line->chan_list, &tty->winsize.ws_row, + &tty->winsize.ws_col); + + return err; + +out_unlock: + spin_unlock(&line->count_lock); return err; } @@ -466,25 +478,36 @@ void line_close(struct tty_struct *tty, struct file * filp) { struct line *line = tty->driver_data; - /* XXX: I assume this should be called in process context, not with - * interrupts disabled! - */ - spin_lock_irq(&line->lock); + /* If line_open fails (and tty->driver_data is never set), + * tty_open will call line_close. So just return in this case. + */ + if(line == NULL) + return; /* We ignore the error anyway! */ flush_buffer(line); - if(tty->count == 1){ - line->tty = NULL; - tty->driver_data = NULL; + spin_lock(&line->count_lock); + if(!line->valid) + goto out_unlock; - if(line->sigio){ - unregister_winch(tty); - line->sigio = 0; - } + if(tty->count > 1) + goto out_unlock; + + spin_unlock(&line->count_lock); + + line->tty = NULL; + tty->driver_data = NULL; + + if(line->sigio){ + unregister_winch(tty); + line->sigio = 0; } - spin_unlock_irq(&line->lock); + return; + +out_unlock: + spin_unlock(&line->count_lock); } void close_lines(struct line *lines, int nlines) @@ -495,14 +518,44 @@ void close_lines(struct line *lines, int nlines) close_chan(&lines[i].chan_list, 0); } +static int setup_one_line(struct line *lines, int n, char *init, int init_prio, + char **error_out) +{ + struct line *line = &lines[n]; + int err = -EINVAL; + + spin_lock(&line->count_lock); + + if(line->tty != NULL){ + *error_out = "Device is already open"; + goto out; + } + + if (line->init_pri <= init_prio){ + line->init_pri = init_prio; + if (!strcmp(init, "none")) + line->valid = 0; + else { + line->init_str = init; + line->valid = 1; + } + } + err = 0; +out: + spin_unlock(&line->count_lock); + return err; +} + /* Common setup code for both startup command line and mconsole initialization. * @lines contains the array (of size @num) to modify; * @init is the setup string; + * @error_out is an error string in the case of failure; */ -int line_setup(struct line *lines, unsigned int num, char *init) +int line_setup(struct line *lines, unsigned int num, char *init, + char **error_out) { - int i, n; + int i, n, err; char *end; if(*init == '=') { @@ -513,73 +566,56 @@ int line_setup(struct line *lines, unsigned int num, char *init) else { n = simple_strtoul(init, &end, 0); if(*end != '='){ - printk(KERN_ERR "line_setup failed to parse \"%s\"\n", - init); - return 0; + *error_out = "Couldn't parse device number"; + return -EINVAL; } init = end; } init++; if (n >= (signed int) num) { - printk("line_setup - %d out of range ((0 ... %d) allowed)\n", - n, num - 1); - return 0; + *error_out = "Device number out of range"; + return -EINVAL; } else if (n >= 0){ - if (lines[n].tty != NULL) { - printk("line_setup - device %d is open\n", n); - return 0; - } - if (lines[n].init_pri <= INIT_ONE){ - lines[n].init_pri = INIT_ONE; - if (!strcmp(init, "none")) - lines[n].valid = 0; - else { - lines[n].init_str = init; - lines[n].valid = 1; - } - } + err = setup_one_line(lines, n, init, INIT_ONE, error_out); + if(err) + return err; } else { for(i = 0; i < num; i++){ - if(lines[i].init_pri <= INIT_ALL){ - lines[i].init_pri = INIT_ALL; - if(!strcmp(init, "none")) lines[i].valid = 0; - else { - lines[i].init_str = init; - lines[i].valid = 1; - } - } + err = setup_one_line(lines, i, init, INIT_ALL, + error_out); + if(err) + return err; } } return n == -1 ? num : n; } int line_config(struct line *lines, unsigned int num, char *str, - const struct chan_opts *opts) + const struct chan_opts *opts, char **error_out) { struct line *line; char *new; int n; if(*str == '='){ - printk("line_config - can't configure all devices from " - "mconsole\n"); - return 1; + *error_out = "Can't configure all devices from mconsole"; + return -EINVAL; } new = kstrdup(str, GFP_KERNEL); if(new == NULL){ - printk("line_config - kstrdup failed\n"); - return 1; + *error_out = "Failed to allocate memory"; + return -ENOMEM; } - n = line_setup(lines, num, new); + n = line_setup(lines, num, new, error_out); if(n < 0) - return 1; + return n; line = &lines[n]; - return parse_chan_pair(line->init_str, line, n, opts); + return parse_chan_pair(line->init_str, line, n, opts, error_out); } int line_get_config(char *name, struct line *lines, unsigned int num, char *str, @@ -602,13 +638,13 @@ int line_get_config(char *name, struct line *lines, unsigned int num, char *str, line = &lines[dev]; - spin_lock(&line->lock); + spin_lock(&line->count_lock); if(!line->valid) CONFIG_CHUNK(str, size, n, "none", 1); else if(line->tty == NULL) CONFIG_CHUNK(str, size, n, line->init_str, 1); else n = chan_config_string(&line->chan_list, str, size, error_out); - spin_unlock(&line->lock); + spin_unlock(&line->count_lock); return n; } @@ -628,22 +664,21 @@ int line_id(char **str, int *start_out, int *end_out) return n; } -int line_remove(struct line *lines, unsigned int num, int n) +int line_remove(struct line *lines, unsigned int num, int n, char **error_out) { int err; char config[sizeof("conxxxx=none\0")]; sprintf(config, "%d=none", n); - err = line_setup(lines, num, config); + err = line_setup(lines, num, config, error_out); if(err >= 0) err = 0; return err; } -struct tty_driver *line_register_devfs(struct lines *set, - struct line_driver *line_driver, - const struct tty_operations *ops, - struct line *lines, int nlines) +struct tty_driver *register_lines(struct line_driver *line_driver, + const struct tty_operations *ops, + struct line *lines, int nlines) { int i; struct tty_driver *driver = alloc_tty_driver(nlines); @@ -683,6 +718,7 @@ static LIST_HEAD(winch_handlers); void lines_init(struct line *lines, int nlines, struct chan_opts *opts) { struct line *line; + char *error; int i; for(i = 0; i < nlines; i++){ @@ -696,8 +732,9 @@ void lines_init(struct line *lines, int nlines, struct chan_opts *opts) if(line->init_str == NULL) printk("lines_init - kstrdup returned NULL\n"); - if(parse_chan_pair(line->init_str, line, i, opts)){ - printk("parse_chan_pair failed for device %d\n", i); + if(parse_chan_pair(line->init_str, line, i, opts, &error)){ + printk("parse_chan_pair failed for device %d : %s\n", + i, error); line->valid = 0; } } @@ -737,7 +774,7 @@ static irqreturn_t winch_interrupt(int irq, void *data) line = tty->driver_data; chan_window_size(&line->chan_list, &tty->winsize.ws_row, &tty->winsize.ws_col); - kill_pg(tty->pgrp, SIGWINCH, 1); + kill_pgrp(tty->pgrp, SIGWINCH, 1); } out: if(winch->fd != -1) diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c index 96f0189327a..178b2eff4a8 100644 --- a/arch/um/drivers/mconsole_kern.c +++ b/arch/um/drivers/mconsole_kern.c @@ -33,7 +33,6 @@ #include "irq_user.h" #include "init.h" #include "os.h" -#include "umid.h" #include "irq_kern.h" #include "choose-mode.h" @@ -337,13 +336,15 @@ void mconsole_stop(struct mc_request *req) mconsole_reply(req, "", 0, 0); } -/* This list is populated by __initcall routines. */ - +static DEFINE_SPINLOCK(mc_devices_lock); static LIST_HEAD(mconsole_devices); void mconsole_register_dev(struct mc_device *new) { + spin_lock(&mc_devices_lock); + BUG_ON(!list_empty(&new->list)); list_add(&new->list, &mconsole_devices); + spin_unlock(&mc_devices_lock); } static struct mc_device *mconsole_find_dev(char *name) @@ -367,18 +368,21 @@ struct unplugged_pages { void *pages[UNPLUGGED_PER_PAGE]; }; +static DECLARE_MUTEX(plug_mem_mutex); static unsigned long long unplugged_pages_count = 0; -static struct list_head unplugged_pages = LIST_HEAD_INIT(unplugged_pages); +static LIST_HEAD(unplugged_pages); static int unplug_index = UNPLUGGED_PER_PAGE; -static int mem_config(char *str) +static int mem_config(char *str, char **error_out) { unsigned long long diff; int err = -EINVAL, i, add; char *ret; - if(str[0] != '=') + if(str[0] != '='){ + *error_out = "Expected '=' after 'mem'"; goto out; + } str++; if(str[0] == '-') @@ -386,15 +390,21 @@ static int mem_config(char *str) else if(str[0] == '+'){ add = 1; } - else goto out; + else { + *error_out = "Expected increment to start with '-' or '+'"; + goto out; + } str++; diff = memparse(str, &ret); - if(*ret != '\0') + if(*ret != '\0'){ + *error_out = "Failed to parse memory increment"; goto out; + } diff /= PAGE_SIZE; + down(&plug_mem_mutex); for(i = 0; i < diff; i++){ struct unplugged_pages *unplugged; void *addr; @@ -435,11 +445,14 @@ static int mem_config(char *str) unplugged = list_entry(entry, struct unplugged_pages, list); - unplugged->pages[unplug_index++] = addr; err = os_drop_memory(addr, PAGE_SIZE); - if(err) + if(err){ printk("Failed to release memory - " "errno = %d\n", err); + *error_out = "Failed to release memory"; + goto out_unlock; + } + unplugged->pages[unplug_index++] = addr; } unplugged_pages_count++; @@ -447,6 +460,8 @@ static int mem_config(char *str) } err = 0; +out_unlock: + up(&plug_mem_mutex); out: return err; } @@ -470,12 +485,14 @@ static int mem_id(char **str, int *start_out, int *end_out) return 0; } -static int mem_remove(int n) +static int mem_remove(int n, char **error_out) { + *error_out = "Memory doesn't support the remove operation"; return -EBUSY; } static struct mc_device mem_mc = { + .list = LIST_HEAD_INIT(mem_mc.list), .name = "mem", .config = mem_config, .get_config = mem_get_config, @@ -542,7 +559,7 @@ static void mconsole_get_config(int (*get_config)(char *, char *, int, void mconsole_config(struct mc_request *req) { struct mc_device *dev; - char *ptr = req->request.data, *name; + char *ptr = req->request.data, *name, *error_string = ""; int err; ptr += strlen("config"); @@ -559,8 +576,8 @@ void mconsole_config(struct mc_request *req) ptr++; if(*ptr == '='){ - err = (*dev->config)(name); - mconsole_reply(req, "", err, 0); + err = (*dev->config)(name, &error_string); + mconsole_reply(req, error_string, err, 0); } else mconsole_get_config(dev->get_config, req, name); } @@ -595,13 +612,16 @@ void mconsole_remove(struct mc_request *req) goto out; } - err = (*dev->remove)(n); + err_msg = NULL; + err = (*dev->remove)(n, &err_msg); switch(err){ case -ENODEV: - err_msg = "Device doesn't exist"; + if(err_msg == NULL) + err_msg = "Device doesn't exist"; break; case -EBUSY: - err_msg = "Device is currently open"; + if(err_msg == NULL) + err_msg = "Device is currently open"; break; default: break; @@ -615,7 +635,7 @@ struct mconsole_output { struct mc_request *req; }; -static DEFINE_SPINLOCK(console_lock); +static DEFINE_SPINLOCK(client_lock); static LIST_HEAD(clients); static char console_buf[MCONSOLE_MAX_DATA]; static int console_index = 0; @@ -670,16 +690,18 @@ static void with_console(struct mc_request *req, void (*proc)(void *), unsigned long flags; entry.req = req; + spin_lock_irqsave(&client_lock, flags); list_add(&entry.list, &clients); - spin_lock_irqsave(&console_lock, flags); + spin_unlock_irqrestore(&client_lock, flags); (*proc)(arg); mconsole_reply_len(req, console_buf, console_index, 0, 0); console_index = 0; - spin_unlock_irqrestore(&console_lock, flags); + spin_lock_irqsave(&client_lock, flags); list_del(&entry.list); + spin_unlock_irqrestore(&client_lock, flags); } #ifdef CONFIG_MAGIC_SYSRQ diff --git a/arch/um/drivers/mconsole_user.c b/arch/um/drivers/mconsole_user.c index 75aef6f7ef6..f02634fbf32 100644 --- a/arch/um/drivers/mconsole_user.c +++ b/arch/um/drivers/mconsole_user.c @@ -16,7 +16,7 @@ #include "user.h" #include "sysdep/ptrace.h" #include "mconsole.h" -#include "umid.h" +#include "os.h" #include "user_util.h" static struct mconsole_command commands[] = { diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c index afe3d427ddf..04e31f86c10 100644 --- a/arch/um/drivers/net_kern.c +++ b/arch/um/drivers/net_kern.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and + * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and * James Leu (jleu@mindspring.net). * Copyright (C) 2001 by various other people who didn't put their name here. * Licensed under the GPL. @@ -91,8 +91,8 @@ irqreturn_t uml_net_interrupt(int irq, void *dev_id) spin_lock(&lp->lock); while((err = uml_net_rx(dev)) > 0) ; if(err < 0) { - printk(KERN_ERR - "Device '%s' read returned %d, shutting it down\n", + printk(KERN_ERR + "Device '%s' read returned %d, shutting it down\n", dev->name, err); /* dev_close can't be called in interrupt context, and takes * again lp->lock. @@ -108,7 +108,7 @@ irqreturn_t uml_net_interrupt(int irq, void *dev_id) out: spin_unlock(&lp->lock); - return(IRQ_HANDLED); + return IRQ_HANDLED; } static int uml_net_open(struct net_device *dev) @@ -159,7 +159,7 @@ out: static int uml_net_close(struct net_device *dev) { struct uml_net_private *lp = dev->priv; - + netif_stop_queue(dev); free_irq(dev->irq, dev); @@ -194,7 +194,7 @@ static int uml_net_start_xmit(struct sk_buff *skb, struct net_device *dev) /* this is normally done in the interrupt when tx finishes */ netif_wake_queue(dev); - } + } else if(len == 0){ netif_start_queue(dev); lp->stats.tx_dropped++; @@ -239,7 +239,7 @@ static int uml_net_set_mac(struct net_device *dev, void *addr) set_ether_mac(dev, hwaddr->sa_data); spin_unlock_irq(&lp->lock); - return(0); + return 0; } static int uml_net_change_mtu(struct net_device *dev, int new_mtu) @@ -333,7 +333,7 @@ static int eth_configure(int n, void *init, char *mac, struct uml_net_private *lp; int save, err, size; - size = transport->private_size + sizeof(struct uml_net_private) + + size = transport->private_size + sizeof(struct uml_net_private) + sizeof(((struct uml_net_private *) 0)->user); device = kzalloc(sizeof(*device), GFP_KERNEL); @@ -438,7 +438,7 @@ static int eth_configure(int n, void *init, char *mac, lp->tl.function = uml_net_user_timer_expire; memcpy(lp->mac, device->mac, sizeof(lp->mac)); - if (transport->user->init) + if (transport->user->init) (*transport->user->init)(&lp->user, dev); set_ether_mac(dev, device->mac); @@ -460,38 +460,36 @@ static struct uml_net *find_device(int n) device = NULL; out: spin_unlock(&devices_lock); - return(device); + return device; } -static int eth_parse(char *str, int *index_out, char **str_out) +static int eth_parse(char *str, int *index_out, char **str_out, + char **error_out) { char *end; - int n; + int n, err = -EINVAL;; n = simple_strtoul(str, &end, 0); if(end == str){ - printk(KERN_ERR "eth_setup: Failed to parse '%s'\n", str); - return(1); - } - if(n < 0){ - printk(KERN_ERR "eth_setup: device %d is negative\n", n); - return(1); + *error_out = "Bad device number"; + return err; } + str = end; if(*str != '='){ - printk(KERN_ERR - "eth_setup: expected '=' after device number\n"); - return(1); + *error_out = "Expected '=' after device number"; + return err; } + str++; if(find_device(n)){ - printk(KERN_ERR "eth_setup: Device %d already configured\n", - n); - return(1); + *error_out = "Device already configured"; + return err; } - if(index_out) *index_out = n; + + *index_out = n; *str_out = str; - return(0); + return 0; } struct eth_init { @@ -500,13 +498,11 @@ struct eth_init { int index; }; -/* Filled in at boot time. Will need locking if the transports become - * modular. - */ -struct list_head transports = LIST_HEAD_INIT(transports); +static DEFINE_SPINLOCK(transports_lock); +static LIST_HEAD(transports); /* Filled in during early boot */ -struct list_head eth_cmd_line = LIST_HEAD_INIT(eth_cmd_line); +static LIST_HEAD(eth_cmd_line); static int check_transport(struct transport *transport, char *eth, int n, void **init_out, char **mac_out) @@ -515,23 +511,23 @@ static int check_transport(struct transport *transport, char *eth, int n, len = strlen(transport->name); if(strncmp(eth, transport->name, len)) - return(0); + return 0; eth += len; if(*eth == ',') eth++; else if(*eth != '\0') - return(0); + return 0; *init_out = kmalloc(transport->setup_size, GFP_KERNEL); if(*init_out == NULL) - return(1); + return 1; if(!transport->setup(eth, mac_out, *init_out)){ kfree(*init_out); *init_out = NULL; } - return(1); + return 1; } void register_transport(struct transport *new) @@ -542,7 +538,10 @@ void register_transport(struct transport *new) char *mac = NULL; int match; + spin_lock(&transports_lock); + BUG_ON(!list_empty(&new->list)); list_add(&new->list, &transports); + spin_unlock(&transports_lock); list_for_each_safe(ele, next, ð_cmd_line){ eth = list_entry(ele, struct eth_init, list); @@ -564,7 +563,9 @@ static int eth_setup_common(char *str, int index) struct transport *transport; void *init; char *mac = NULL; + int found = 0; + spin_lock(&transports_lock); list_for_each(ele, &transports){ transport = list_entry(ele, struct transport, list); if(!check_transport(transport, str, index, &init, &mac)) @@ -573,19 +574,26 @@ static int eth_setup_common(char *str, int index) eth_configure(index, init, mac, transport); kfree(init); } - return(1); + found = 1; + break; } - return(0); + + spin_unlock(&transports_lock); + return found; } static int eth_setup(char *str) { struct eth_init *new; + char *error; int n, err; - err = eth_parse(str, &n, &str); - if(err) + err = eth_parse(str, &n, &str, &error); + if(err){ + printk(KERN_ERR "eth_setup - Couldn't parse '%s' : %s\n", + str, error); return 1; + } new = alloc_bootmem(sizeof(*new)); if (new == NULL){ @@ -607,38 +615,24 @@ __uml_help(eth_setup, " Configure a network device.\n\n" ); -#if 0 -static int eth_init(void) -{ - struct list_head *ele, *next; - struct eth_init *eth; - - list_for_each_safe(ele, next, ð_cmd_line){ - eth = list_entry(ele, struct eth_init, list); - - if(eth_setup_common(eth->init, eth->index)) - list_del(ð->list); - } - - return(1); -} -__initcall(eth_init); -#endif - -static int net_config(char *str) +static int net_config(char *str, char **error_out) { int n, err; - err = eth_parse(str, &n, &str); - if(err) return(err); + err = eth_parse(str, &n, &str, error_out); + if(err) + return err; + /* This string is broken up and the pieces used by the underlying + * driver. So, it is freed only if eth_setup_common fails. + */ str = kstrdup(str, GFP_KERNEL); if(str == NULL){ - printk(KERN_ERR "net_config failed to strdup string\n"); - return(-1); + *error_out = "net_config failed to strdup string"; + return -ENOMEM; } err = !eth_setup_common(str, n); - if(err) + if(err) kfree(str); return(err); } @@ -658,7 +652,7 @@ static int net_id(char **str, int *start_out, int *end_out) return n; } -static int net_remove(int n) +static int net_remove(int n, char **error_out) { struct uml_net *device; struct net_device *dev; @@ -671,7 +665,7 @@ static int net_remove(int n) dev = device->dev; lp = dev->priv; if(lp->fd > 0) - return -EBUSY; + return -EBUSY; if(lp->remove != NULL) (*lp->remove)(&lp->user); unregister_netdev(dev); platform_device_unregister(&device->pdev); @@ -683,10 +677,11 @@ static int net_remove(int n) } static struct mc_device net_mc = { + .list = LIST_HEAD_INIT(net_mc.list), .name = "eth", .config = net_config, .get_config = NULL, - .id = net_id, + .id = net_id, .remove = net_remove, }; @@ -699,7 +694,8 @@ static int uml_inetaddr_event(struct notifier_block *this, unsigned long event, void (*proc)(unsigned char *, unsigned char *, void *); unsigned char addr_buf[4], netmask_buf[4]; - if(dev->open != uml_net_open) return(NOTIFY_DONE); + if(dev->open != uml_net_open) + return NOTIFY_DONE; lp = dev->priv; @@ -717,9 +713,10 @@ static int uml_inetaddr_event(struct notifier_block *this, unsigned long event, memcpy(netmask_buf, &ifa->ifa_mask, sizeof(netmask_buf)); (*proc)(addr_buf, netmask_buf, &lp->user); } - return(NOTIFY_DONE); + return NOTIFY_DONE; } +/* uml_net_init shouldn't be called twice on two CPUs at the same time */ struct notifier_block uml_inetaddr_notifier = { .notifier_call = uml_inetaddr_event, }; @@ -727,7 +724,7 @@ struct notifier_block uml_inetaddr_notifier = { static int uml_net_init(void) { struct list_head *ele; - struct uml_net_private *lp; + struct uml_net_private *lp; struct in_device *ip; struct in_ifaddr *in; @@ -738,18 +735,21 @@ static int uml_net_init(void) * didn't get a chance to run for them. This fakes it so that * addresses which have already been set up get handled properly. */ + spin_lock(&opened_lock); list_for_each(ele, &opened){ lp = list_entry(ele, struct uml_net_private, list); ip = lp->dev->ip_ptr; - if(ip == NULL) continue; + if(ip == NULL) + continue; in = ip->ifa_list; while(in != NULL){ uml_inetaddr_event(NULL, NETDEV_UP, in); in = in->ifa_next; } - } + } + spin_unlock(&opened_lock); - return(0); + return 0; } __initcall(uml_net_init); @@ -759,13 +759,16 @@ static void close_devices(void) struct list_head *ele; struct uml_net_private *lp; + spin_lock(&opened_lock); list_for_each(ele, &opened){ lp = list_entry(ele, struct uml_net_private, list); free_irq(lp->dev->irq, lp->dev); if((lp->close != NULL) && (lp->fd >= 0)) (*lp->close)(lp->fd, &lp->user); - if(lp->remove != NULL) (*lp->remove)(&lp->user); + if(lp->remove != NULL) + (*lp->remove)(&lp->user); } + spin_unlock(&opened_lock); } __uml_exitcall(close_devices); @@ -783,8 +786,8 @@ struct sk_buff *ether_adjust_skb(struct sk_buff *skb, int extra) return(skb); } -void iter_addresses(void *d, void (*cb)(unsigned char *, unsigned char *, - void *), +void iter_addresses(void *d, void (*cb)(unsigned char *, unsigned char *, + void *), void *arg) { struct net_device *dev = d; @@ -809,11 +812,11 @@ int dev_netmask(void *d, void *m) struct in_ifaddr *in; __be32 *mask_out = m; - if(ip == NULL) + if(ip == NULL) return(1); in = ip->ifa_list; - if(in == NULL) + if(in == NULL) return(1); *mask_out = in->ifa_mask; @@ -827,7 +830,7 @@ void *get_output_buffer(int *len_out) ret = (void *) __get_free_pages(GFP_KERNEL, 0); if(ret) *len_out = PAGE_SIZE; else *len_out = 0; - return(ret); + return ret; } void free_output_buffer(void *buffer) @@ -835,7 +838,7 @@ void free_output_buffer(void *buffer) free_pages((unsigned long) buffer, 0); } -int tap_setup_common(char *str, char *type, char **dev_name, char **mac_out, +int tap_setup_common(char *str, char *type, char **dev_name, char **mac_out, char **gate_addr) { char *remain; @@ -854,14 +857,3 @@ unsigned short eth_protocol(struct sk_buff *skb) { return(eth_type_trans(skb, skb->dev)); } - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/drivers/port_kern.c b/arch/um/drivers/port_kern.c index 6dfe632f1c1..1c8efd95c42 100644 --- a/arch/um/drivers/port_kern.c +++ b/arch/um/drivers/port_kern.c @@ -1,4 +1,4 @@ -/* +/* * Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com) * Licensed under the GPL */ @@ -55,9 +55,9 @@ static irqreturn_t pipe_interrupt(int irq, void *data) fd = os_rcv_fd(conn->socket[0], &conn->helper_pid); if(fd < 0){ if(fd == -EAGAIN) - return(IRQ_NONE); + return IRQ_NONE; - printk(KERN_ERR "pipe_interrupt : os_rcv_fd returned %d\n", + printk(KERN_ERR "pipe_interrupt : os_rcv_fd returned %d\n", -fd); os_close_file(conn->fd); } @@ -68,7 +68,7 @@ static irqreturn_t pipe_interrupt(int irq, void *data) list_add(&conn->list, &conn->port->connections); complete(&conn->port->done); - return(IRQ_HANDLED); + return IRQ_HANDLED; } #define NO_WAITER_MSG \ @@ -97,14 +97,14 @@ static int port_accept(struct port_list *port) "connection\n"); goto out_close; } - *conn = ((struct connection) + *conn = ((struct connection) { .list = LIST_HEAD_INIT(conn->list), .fd = fd, .socket = { socket[0], socket[1] }, .telnetd_pid = pid, .port = port }); - if(um_request_irq(TELNETD_IRQ, socket[0], IRQ_READ, pipe_interrupt, + if(um_request_irq(TELNETD_IRQ, socket[0], IRQ_READ, pipe_interrupt, IRQF_DISABLED | IRQF_SHARED | IRQF_SAMPLE_RANDOM, "telnetd", conn)){ printk(KERN_ERR "port_accept : failed to get IRQ for " @@ -117,20 +117,20 @@ static int port_accept(struct port_list *port) printk("No one waiting for port\n"); } list_add(&conn->list, &port->pending); - return(1); + return 1; out_free: kfree(conn); out_close: os_close_file(fd); - if(pid != -1) + if(pid != -1) os_kill_process(pid, 1); out: - return(ret); -} + return ret; +} -DECLARE_MUTEX(ports_sem); -struct list_head ports = LIST_HEAD_INIT(ports); +static DECLARE_MUTEX(ports_sem); +static LIST_HEAD(ports); void port_work_proc(struct work_struct *unused) { @@ -158,8 +158,8 @@ static irqreturn_t port_interrupt(int irq, void *data) port->has_connection = 1; schedule_work(&port_work); - return(IRQ_HANDLED); -} + return IRQ_HANDLED; +} void *port_data(int port_num) { @@ -185,14 +185,14 @@ void *port_data(int port_num) port_num, -fd); goto out_free; } - if(um_request_irq(ACCEPT_IRQ, fd, IRQ_READ, port_interrupt, - IRQF_DISABLED | IRQF_SHARED | IRQF_SAMPLE_RANDOM, "port", - port)){ + if(um_request_irq(ACCEPT_IRQ, fd, IRQ_READ, port_interrupt, + IRQF_DISABLED | IRQF_SHARED | IRQF_SAMPLE_RANDOM, + "port", port)){ printk(KERN_ERR "Failed to get IRQ for port %d\n", port_num); goto out_close; } - *port = ((struct port_list) + *port = ((struct port_list) { .list = LIST_HEAD_INIT(port->list), .wait_count = ATOMIC_INIT(0), .has_connection = 0, @@ -222,7 +222,7 @@ void *port_data(int port_num) os_close_file(fd); out: up(&ports_sem); - return(dev); + return dev; } int port_wait(void *data) @@ -232,15 +232,15 @@ int port_wait(void *data) struct port_list *port = dev->port; int fd; - atomic_inc(&port->wait_count); + atomic_inc(&port->wait_count); while(1){ fd = -ERESTARTSYS; - if(wait_for_completion_interruptible(&port->done)) - goto out; + if(wait_for_completion_interruptible(&port->done)) + goto out; spin_lock(&port->lock); - conn = list_entry(port->connections.next, struct connection, + conn = list_entry(port->connections.next, struct connection, list); list_del(&conn->list); spin_unlock(&port->lock); @@ -248,12 +248,12 @@ int port_wait(void *data) os_shutdown_socket(conn->socket[0], 1, 1); os_close_file(conn->socket[0]); os_shutdown_socket(conn->socket[1], 1, 1); - os_close_file(conn->socket[1]); + os_close_file(conn->socket[1]); /* This is done here because freeing an IRQ can't be done * within the IRQ handler. So, pipe_interrupt always ups * the semaphore regardless of whether it got a successful - * connection. Then we loop here throwing out failed + * connection. Then we loop here throwing out failed * connections until a good one is found. */ free_irq(TELNETD_IRQ, conn); diff --git a/arch/um/drivers/port_user.c b/arch/um/drivers/port_user.c index bc6afaf74c1..80508023054 100644 --- a/arch/um/drivers/port_user.c +++ b/arch/um/drivers/port_user.c @@ -1,4 +1,4 @@ -/* +/* * Copyright (C) 2001 Jeff Dike (jdike@karaya.com) * Licensed under the GPL */ @@ -38,18 +38,18 @@ static void *port_init(char *str, int device, const struct chan_opts *opts) if(*str != ':'){ printk("port_init : channel type 'port' must specify a " "port number\n"); - return(NULL); + return NULL; } str++; port = strtoul(str, &end, 0); if((*end != '\0') || (end == str)){ printk("port_init : couldn't parse port '%s'\n", str); - return(NULL); + return NULL; } kern_data = port_data(port); if(kern_data == NULL) - return(NULL); + return NULL; data = um_kmalloc(sizeof(*data)); if(data == NULL) @@ -59,10 +59,10 @@ static void *port_init(char *str, int device, const struct chan_opts *opts) .kernel_data = kern_data }); sprintf(data->dev, "%d", port); - return(data); + return data; err: port_kern_free(kern_data); - return(NULL); + return NULL; } static void port_free(void *d) @@ -83,14 +83,14 @@ static int port_open(int input, int output, int primary, void *d, if((fd >= 0) && data->raw){ CATCH_EINTR(err = tcgetattr(fd, &data->tt)); if(err) - return(err); + return err; err = raw(fd); if(err) - return(err); + return err; } *dev_out = data->dev; - return(fd); + return fd; } static void port_close(int fd, void *d) @@ -120,8 +120,8 @@ int port_listen_fd(int port) int fd, err, arg; fd = socket(PF_INET, SOCK_STREAM, 0); - if(fd == -1) - return(-errno); + if(fd == -1) + return -errno; arg = 1; if(setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &arg, sizeof(arg)) < 0){ @@ -136,7 +136,7 @@ int port_listen_fd(int port) err = -errno; goto out; } - + if(listen(fd, 1) < 0){ err = -errno; goto out; @@ -146,10 +146,10 @@ int port_listen_fd(int port) if(err < 0) goto out; - return(fd); + return fd; out: os_close_file(fd); - return(err); + return err; } struct port_pre_exec_data { @@ -173,13 +173,13 @@ void port_pre_exec(void *arg) int port_connection(int fd, int *socket, int *pid_out) { int new, err; - char *argv[] = { "/usr/sbin/in.telnetd", "-L", + char *argv[] = { "/usr/sbin/in.telnetd", "-L", "/usr/lib/uml/port-helper", NULL }; struct port_pre_exec_data data; new = os_accept_connection(fd); if(new < 0) - return(new); + return new; err = os_pipe(socket, 0, 0); if(err < 0) @@ -190,29 +190,18 @@ int port_connection(int fd, int *socket, int *pid_out) .pipe_fd = socket[1] }); err = run_helper(port_pre_exec, &data, argv, NULL); - if(err < 0) + if(err < 0) goto out_shutdown; *pid_out = err; - return(new); + return new; out_shutdown: os_shutdown_socket(socket[0], 1, 1); os_close_file(socket[0]); - os_shutdown_socket(socket[1], 1, 1); + os_shutdown_socket(socket[1], 1, 1); os_close_file(socket[1]); out_close: os_close_file(new); - return(err); + return err; } - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/drivers/random.c b/arch/um/drivers/random.c index 73b2bdd6d2d..e942e836f99 100644 --- a/arch/um/drivers/random.c +++ b/arch/um/drivers/random.c @@ -78,6 +78,7 @@ static const struct file_operations rng_chrdev_ops = { .read = rng_dev_read, }; +/* rng_init shouldn't be called more than once at boot time */ static struct miscdevice rng_miscdev = { RNG_MISCDEV_MINOR, RNG_MODULE_NAME, diff --git a/arch/um/drivers/ssl.c b/arch/um/drivers/ssl.c index ed9c59082d0..fc22b9bd915 100644 --- a/arch/um/drivers/ssl.c +++ b/arch/um/drivers/ssl.c @@ -38,6 +38,7 @@ static void ssl_announce(char *dev_name, int dev) dev_name); } +/* Almost const, except that xterm_title may be changed in an initcall */ static struct chan_opts opts = { .announce = ssl_announce, .xterm_title = "Serial Line #%d", @@ -46,10 +47,12 @@ static struct chan_opts opts = { .in_kernel = 1, }; -static int ssl_config(char *str); +static int ssl_config(char *str, char **error_out); static int ssl_get_config(char *dev, char *str, int size, char **error_out); -static int ssl_remove(int n); +static int ssl_remove(int n, char **error_out); + +/* Const, except for .mc.list */ static struct line_driver driver = { .name = "UML serial line", .device_name = "ttyS", @@ -61,9 +64,8 @@ static struct line_driver driver = { .read_irq_name = "ssl", .write_irq = SSL_WRITE_IRQ, .write_irq_name = "ssl-write", - .symlink_from = "serial", - .symlink_to = "tts", .mc = { + .list = LIST_HEAD_INIT(driver.mc.list), .name = "ssl", .config = ssl_config, .get_config = ssl_get_config, @@ -72,17 +74,16 @@ static struct line_driver driver = { }, }; -/* The array is initialized by line_init, which is an initcall. The - * individual elements are protected by individual semaphores. +/* The array is initialized by line_init, at initcall time. The + * elements are locked individually as needed. */ static struct line serial_lines[NR_PORTS] = { [0 ... NR_PORTS - 1] = LINE_INIT(CONFIG_SSL_CHAN, &driver) }; -static struct lines lines = LINES_INIT(NR_PORTS); - -static int ssl_config(char *str) +static int ssl_config(char *str, char **error_out) { - return line_config(serial_lines, ARRAY_SIZE(serial_lines), str, &opts); + return line_config(serial_lines, ARRAY_SIZE(serial_lines), str, &opts, + error_out); } static int ssl_get_config(char *dev, char *str, int size, char **error_out) @@ -91,9 +92,10 @@ static int ssl_get_config(char *dev, char *str, int size, char **error_out) size, error_out); } -static int ssl_remove(int n) +static int ssl_remove(int n, char **error_out) { - return line_remove(serial_lines, ARRAY_SIZE(serial_lines), n); + return line_remove(serial_lines, ARRAY_SIZE(serial_lines), n, + error_out); } static int ssl_open(struct tty_struct *tty, struct file *filp) @@ -168,9 +170,10 @@ static int ssl_console_setup(struct console *co, char *options) { struct line *line = &serial_lines[co->index]; - return console_open_chan(line, co, &opts); + return console_open_chan(line, co); } +/* No locking for register_console call - relies on single-threaded initcalls */ static struct console ssl_cons = { .name = "ttyS", .write = ssl_console_write, @@ -186,9 +189,8 @@ static int ssl_init(void) printk(KERN_INFO "Initializing software serial port version %d\n", ssl_version); - ssl_driver = line_register_devfs(&lines, &driver, &ssl_ops, - serial_lines, - ARRAY_SIZE(serial_lines)); + ssl_driver = register_lines(&driver, &ssl_ops, serial_lines, + ARRAY_SIZE(serial_lines)); lines_init(serial_lines, ARRAY_SIZE(serial_lines), &opts); @@ -212,7 +214,15 @@ __uml_exitcall(ssl_exit); static int ssl_chan_setup(char *str) { - return line_setup(serial_lines, ARRAY_SIZE(serial_lines), str); + char *error; + int ret; + + ret = line_setup(serial_lines, ARRAY_SIZE(serial_lines), str, &error); + if(ret < 0) + printk(KERN_ERR "Failed to set up serial line with " + "configuration string \"%s\" : %s\n", str, error); + + return 1; } __setup("ssl", ssl_chan_setup); diff --git a/arch/um/drivers/stdio_console.c b/arch/um/drivers/stdio_console.c index 7a4897e27f4..7ff0b0fc37e 100644 --- a/arch/um/drivers/stdio_console.c +++ b/arch/um/drivers/stdio_console.c @@ -30,8 +30,6 @@ #define MAX_TTYS (16) -/* ----------------------------------------------------------------------------- */ - /* Referenced only by tty_driver below - presumably it's locked correctly * by the tty driver. */ @@ -44,6 +42,7 @@ void stdio_announce(char *dev_name, int dev) dev_name); } +/* Almost const, except that xterm_title may be changed in an initcall */ static struct chan_opts opts = { .announce = stdio_announce, .xterm_title = "Virtual Console #%d", @@ -52,10 +51,12 @@ static struct chan_opts opts = { .in_kernel = 1, }; -static int con_config(char *str); +static int con_config(char *str, char **error_out); static int con_get_config(char *dev, char *str, int size, char **error_out); -static int con_remove(int n); +static int con_remove(int n, char **con_remove); + +/* Const, except for .mc.list */ static struct line_driver driver = { .name = "UML console", .device_name = "tty", @@ -67,9 +68,8 @@ static struct line_driver driver = { .read_irq_name = "console", .write_irq = CONSOLE_WRITE_IRQ, .write_irq_name = "console-write", - .symlink_from = "ttys", - .symlink_to = "vc", .mc = { + .list = LIST_HEAD_INIT(driver.mc.list), .name = "con", .config = con_config, .get_config = con_get_config, @@ -78,18 +78,16 @@ static struct line_driver driver = { }, }; -static struct lines console_lines = LINES_INIT(MAX_TTYS); - -/* The array is initialized by line_init, which is an initcall. The - * individual elements are protected by individual semaphores. +/* The array is initialized by line_init, at initcall time. The + * elements are locked individually as needed. */ -struct line vts[MAX_TTYS] = { LINE_INIT(CONFIG_CON_ZERO_CHAN, &driver), - [ 1 ... MAX_TTYS - 1 ] = - LINE_INIT(CONFIG_CON_CHAN, &driver) }; +static struct line vts[MAX_TTYS] = { LINE_INIT(CONFIG_CON_ZERO_CHAN, &driver), + [ 1 ... MAX_TTYS - 1 ] = + LINE_INIT(CONFIG_CON_CHAN, &driver) }; -static int con_config(char *str) +static int con_config(char *str, char **error_out) { - return line_config(vts, ARRAY_SIZE(vts), str, &opts); + return line_config(vts, ARRAY_SIZE(vts), str, &opts, error_out); } static int con_get_config(char *dev, char *str, int size, char **error_out) @@ -97,9 +95,9 @@ static int con_get_config(char *dev, char *str, int size, char **error_out) return line_get_config(dev, vts, ARRAY_SIZE(vts), str, size, error_out); } -static int con_remove(int n) +static int con_remove(int n, char **error_out) { - return line_remove(vts, ARRAY_SIZE(vts), n); + return line_remove(vts, ARRAY_SIZE(vts), n, error_out); } static int con_open(struct tty_struct *tty, struct file *filp) @@ -146,9 +144,10 @@ static int uml_console_setup(struct console *co, char *options) { struct line *line = &vts[co->index]; - return console_open_chan(line, co, &opts); + return console_open_chan(line, co); } +/* No locking for register_console call - relies on single-threaded initcalls */ static struct console stdiocons = { .name = "tty", .write = uml_console_write, @@ -156,16 +155,14 @@ static struct console stdiocons = { .setup = uml_console_setup, .flags = CON_PRINTBUFFER, .index = -1, - .data = &vts, }; int stdio_init(void) { char *new_title; - console_driver = line_register_devfs(&console_lines, &driver, - &console_ops, vts, - ARRAY_SIZE(vts)); + console_driver = register_lines(&driver, &console_ops, vts, + ARRAY_SIZE(vts)); if (console_driver == NULL) return -1; printk(KERN_INFO "Initialized stdio console driver\n"); @@ -192,7 +189,15 @@ __uml_exitcall(console_exit); static int console_chan_setup(char *str) { - return line_setup(vts, ARRAY_SIZE(vts), str); + char *error; + int ret; + + ret = line_setup(vts, ARRAY_SIZE(vts), str, &error); + if(ret < 0) + printk(KERN_ERR "Failed to set up console with " + "configuration string \"%s\" : %s\n", str, error); + + return 1; } __setup("con", console_chan_setup); __channel_help(console_chan_setup, "con"); diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c index 49c047b75cc..f98d26e5138 100644 --- a/arch/um/drivers/ubd_kern.c +++ b/arch/um/drivers/ubd_kern.c @@ -56,6 +56,7 @@ enum ubd_req { UBD_READ, UBD_WRITE }; struct io_thread_req { + struct request *req; enum ubd_req op; int fds[2]; unsigned long offsets[2]; @@ -106,10 +107,6 @@ static inline void ubd_set_bit(__u64 bit, unsigned char *data) #define DRIVER_NAME "uml-blkdev" -/* Can be taken in interrupt context, and is passed to the block layer to lock - * the request queue. Kernel side code knows that. */ -static DEFINE_SPINLOCK(ubd_io_lock); - static DEFINE_MUTEX(ubd_lock); /* XXX - this made sense in 2.4 days, now it's only used as a boolean, and @@ -132,12 +129,8 @@ static struct block_device_operations ubd_blops = { .getgeo = ubd_getgeo, }; -/* Protected by the queue_lock */ -static request_queue_t *ubd_queue; - /* Protected by ubd_lock */ static int fake_major = MAJOR_NR; - static struct gendisk *ubd_gendisk[MAX_DEV]; static struct gendisk *fake_gendisk[MAX_DEV]; @@ -148,10 +141,6 @@ static struct gendisk *fake_gendisk[MAX_DEV]; #define OPEN_FLAGS ((struct openflags) { .r = 1, .w = 1, .s = 0, .c = 0, \ .cl = 1 }) #endif - -/* Not protected - changed only in ubd_setup_common and then only to - * to enable O_SYNC. - */ static struct openflags global_openflags = OPEN_FLAGS; struct cow { @@ -178,6 +167,8 @@ struct ubd { unsigned no_cow:1; struct cow cow; struct platform_device pdev; + struct request_queue *queue; + spinlock_t lock; }; #define DEFAULT_COW { \ @@ -198,8 +189,10 @@ struct ubd { .no_cow = 0, \ .shared = 0, \ .cow = DEFAULT_COW, \ + .lock = SPIN_LOCK_UNLOCKED, \ } +/* Protected by ubd_lock */ struct ubd ubd_devs[MAX_DEV] = { [ 0 ... MAX_DEV - 1 ] = DEFAULT_UBD }; /* Only changed by fake_ide_setup which is a setup */ @@ -242,7 +235,6 @@ static void make_ide_entries(char *dev_name) ent = create_proc_entry("media", S_IFREG|S_IRUGO, dir); if(!ent) return; - ent->nlink = 1; ent->data = NULL; ent->read_proc = proc_ide_read_media; ent->write_proc = NULL; @@ -286,12 +278,12 @@ static int parse_unit(char **ptr) * otherwise, the str pointer is used (and owned) inside ubd_devs array, so it * should not be freed on exit. */ -static int ubd_setup_common(char *str, int *index_out) +static int ubd_setup_common(char *str, int *index_out, char **error_out) { struct ubd *ubd_dev; struct openflags flags = global_openflags; char *backing_file; - int n, err, i; + int n, err = 0, i; if(index_out) *index_out = -1; n = *str; @@ -302,56 +294,55 @@ static int ubd_setup_common(char *str, int *index_out) str++; if(!strcmp(str, "sync")){ global_openflags = of_sync(global_openflags); - return(0); + goto out1; } + + err = -EINVAL; major = simple_strtoul(str, &end, 0); if((*end != '\0') || (end == str)){ - printk(KERN_ERR - "ubd_setup : didn't parse major number\n"); - return(1); + *error_out = "Didn't parse major number"; + goto out1; } - err = 1; - mutex_lock(&ubd_lock); - if(fake_major != MAJOR_NR){ - printk(KERN_ERR "Can't assign a fake major twice\n"); - goto out1; - } + mutex_lock(&ubd_lock); + if(fake_major != MAJOR_NR){ + *error_out = "Can't assign a fake major twice"; + goto out1; + } - fake_major = major; + fake_major = major; printk(KERN_INFO "Setting extra ubd major number to %d\n", major); - err = 0; - out1: - mutex_unlock(&ubd_lock); - return(err); + err = 0; + out1: + mutex_unlock(&ubd_lock); + return err; } n = parse_unit(&str); if(n < 0){ - printk(KERN_ERR "ubd_setup : couldn't parse unit number " - "'%s'\n", str); - return(1); + *error_out = "Couldn't parse device number"; + return -EINVAL; } if(n >= MAX_DEV){ - printk(KERN_ERR "ubd_setup : index %d out of range " - "(%d devices, from 0 to %d)\n", n, MAX_DEV, MAX_DEV - 1); - return(1); + *error_out = "Device number out of range"; + return 1; } - err = 1; + err = -EBUSY; mutex_lock(&ubd_lock); ubd_dev = &ubd_devs[n]; if(ubd_dev->file != NULL){ - printk(KERN_ERR "ubd_setup : device already configured\n"); + *error_out = "Device is already configured"; goto out; } if (index_out) *index_out = n; + err = -EINVAL; for (i = 0; i < sizeof("rscd="); i++) { switch (*str) { case 'r': @@ -370,47 +361,54 @@ static int ubd_setup_common(char *str, int *index_out) str++; goto break_loop; default: - printk(KERN_ERR "ubd_setup : Expected '=' or flag letter (r, s, c, or d)\n"); + *error_out = "Expected '=' or flag letter " + "(r, s, c, or d)"; goto out; } str++; } - if (*str == '=') - printk(KERN_ERR "ubd_setup : Too many flags specified\n"); - else - printk(KERN_ERR "ubd_setup : Expected '='\n"); + if (*str == '=') + *error_out = "Too many flags specified"; + else + *error_out = "Missing '='"; goto out; break_loop: - err = 0; backing_file = strchr(str, ','); - if (!backing_file) { + if (backing_file == NULL) backing_file = strchr(str, ':'); - } - if(backing_file){ - if(ubd_dev->no_cow) - printk(KERN_ERR "Can't specify both 'd' and a " - "cow file\n"); + if(backing_file != NULL){ + if(ubd_dev->no_cow){ + *error_out = "Can't specify both 'd' and a cow file"; + goto out; + } else { *backing_file = '\0'; backing_file++; } } + err = 0; ubd_dev->file = str; ubd_dev->cow.file = backing_file; ubd_dev->boot_openflags = flags; out: mutex_unlock(&ubd_lock); - return(err); + return err; } static int ubd_setup(char *str) { - ubd_setup_common(str, NULL); - return(1); + char *error; + int err; + + err = ubd_setup_common(str, NULL, &error); + if(err) + printk(KERN_ERR "Failed to initialize device with \"%s\" : " + "%s\n", str, error); + return 1; } __setup("ubd", ubd_setup); @@ -422,7 +420,7 @@ __uml_help(ubd_setup, " use either a ':' or a ',': the first one allows writing things like;\n" " ubd0=~/Uml/root_cow:~/Uml/root_backing_file\n" " while with a ',' the shell would not expand the 2nd '~'.\n" -" When using only one filename, UML will detect whether to thread it like\n" +" When using only one filename, UML will detect whether to treat it like\n" " a COW file or a backing file. To override this detection, add the 'd'\n" " flag:\n" " ubd0d=BackingFile\n" @@ -471,12 +469,6 @@ static void do_ubd_request(request_queue_t * q); /* Only changed by ubd_init, which is an initcall. */ int thread_fd = -1; -/* Changed by ubd_handler, which is serialized because interrupts only - * happen on CPU 0. - * XXX: currently unused. - */ -static int intr_count = 0; - /* call ubd_finish if you need to serialize */ static void __ubd_finish(struct request *req, int error) { @@ -499,36 +491,38 @@ static void __ubd_finish(struct request *req, int error) * spin_lock_irq()/spin_lock_irqsave() */ static inline void ubd_finish(struct request *req, int error) { - spin_lock(&ubd_io_lock); + struct ubd *dev = req->rq_disk->private_data; + + spin_lock(&dev->lock); __ubd_finish(req, error); - spin_unlock(&ubd_io_lock); + spin_unlock(&dev->lock); } /* XXX - move this inside ubd_intr. */ -/* Called without ubd_io_lock held, and only in interrupt context. */ +/* Called without dev->lock held, and only in interrupt context. */ static void ubd_handler(void) { struct io_thread_req req; - struct request *rq = elv_next_request(ubd_queue); + struct request *rq; + struct ubd *dev; int n; do_ubd = 0; - intr_count++; n = os_read_file(thread_fd, &req, sizeof(req)); if(n != sizeof(req)){ printk(KERN_ERR "Pid %d - spurious interrupt in ubd_handler, " "err = %d\n", os_getpid(), -n); - spin_lock(&ubd_io_lock); - end_request(rq, 0); - spin_unlock(&ubd_io_lock); return; } + rq = req.req; + dev = rq->rq_disk->private_data; + ubd_finish(rq, req.error); - reactivate_fd(thread_fd, UBD_IRQ); - spin_lock(&ubd_io_lock); - do_ubd_request(ubd_queue); - spin_unlock(&ubd_io_lock); + reactivate_fd(thread_fd, UBD_IRQ); + spin_lock(&dev->lock); + do_ubd_request(dev->queue); + spin_unlock(&dev->lock); } static irqreturn_t ubd_intr(int irq, void *dev) @@ -632,8 +626,7 @@ static int ubd_open_dev(struct ubd *ubd_dev) } static int ubd_disk_register(int major, u64 size, int unit, - struct gendisk **disk_out) - + struct gendisk **disk_out) { struct gendisk *disk; @@ -659,7 +652,7 @@ static int ubd_disk_register(int major, u64 size, int unit, } disk->private_data = &ubd_devs[unit]; - disk->queue = ubd_queue; + disk->queue = ubd_devs[unit].queue; add_disk(disk); *disk_out = disk; @@ -668,28 +661,39 @@ static int ubd_disk_register(int major, u64 size, int unit, #define ROUND_BLOCK(n) ((n + ((1 << 9) - 1)) & (-1 << 9)) -static int ubd_add(int n) +static int ubd_add(int n, char **error_out) { struct ubd *ubd_dev = &ubd_devs[n]; - int err; + int err = 0; - err = -ENODEV; if(ubd_dev->file == NULL) goto out; err = ubd_file_size(ubd_dev, &ubd_dev->size); - if(err < 0) + if(err < 0){ + *error_out = "Couldn't determine size of device's file"; goto out; + } ubd_dev->size = ROUND_BLOCK(ubd_dev->size); - err = ubd_disk_register(MAJOR_NR, ubd_dev->size, n, &ubd_gendisk[n]); - if(err) + err = -ENOMEM; + ubd_dev->queue = blk_init_queue(do_ubd_request, &ubd_dev->lock); + if (ubd_dev->queue == NULL) { + *error_out = "Failed to initialize device queue"; goto out; + } + ubd_dev->queue->queuedata = ubd_dev; + + err = ubd_disk_register(MAJOR_NR, ubd_dev->size, n, &ubd_gendisk[n]); + if(err){ + *error_out = "Failed to register device"; + goto out_cleanup; + } if(fake_major != MAJOR_NR) ubd_disk_register(fake_major, ubd_dev->size, n, - &fake_gendisk[n]); + &fake_gendisk[n]); /* perhaps this should also be under the "if (fake_major)" above */ /* using the fake_disk->disk_name and also the fakehd_set name */ @@ -699,30 +703,37 @@ static int ubd_add(int n) err = 0; out: return err; + +out_cleanup: + blk_cleanup_queue(ubd_dev->queue); + goto out; } -static int ubd_config(char *str) +static int ubd_config(char *str, char **error_out) { int n, ret; + /* This string is possibly broken up and stored, so it's only + * freed if ubd_setup_common fails, or if only general options + * were set. + */ str = kstrdup(str, GFP_KERNEL); if (str == NULL) { - printk(KERN_ERR "ubd_config failed to strdup string\n"); - ret = 1; - goto out; + *error_out = "Failed to allocate memory"; + return -ENOMEM; } - ret = ubd_setup_common(str, &n); - if (ret) { - ret = -1; + + ret = ubd_setup_common(str, &n, error_out); + if (ret) goto err_free; - } + if (n == -1) { ret = 0; goto err_free; } mutex_lock(&ubd_lock); - ret = ubd_add(n); + ret = ubd_add(n, error_out); if (ret) ubd_devs[n].file = NULL; mutex_unlock(&ubd_lock); @@ -777,7 +788,7 @@ static int ubd_id(char **str, int *start_out, int *end_out) return n; } -static int ubd_remove(int n) +static int ubd_remove(int n, char **error_out) { struct ubd *ubd_dev; int err = -ENODEV; @@ -807,6 +818,7 @@ static int ubd_remove(int n) fake_gendisk[n] = NULL; } + blk_cleanup_queue(ubd_dev->queue); platform_device_unregister(&ubd_dev->pdev); *ubd_dev = ((struct ubd) DEFAULT_UBD); err = 0; @@ -815,8 +827,11 @@ out: return err; } -/* All these are called by mconsole in process context and without ubd-specific locks. */ +/* All these are called by mconsole in process context and without + * ubd-specific locks. The structure itself is const except for .list. + */ static struct mc_device ubd_mc = { + .list = LIST_HEAD_INIT(ubd_mc.list), .name = "ubd", .config = ubd_config, .get_config = ubd_get_config, @@ -836,13 +851,17 @@ static int __init ubd0_init(void) { struct ubd *ubd_dev = &ubd_devs[0]; + mutex_lock(&ubd_lock); if(ubd_dev->file == NULL) ubd_dev->file = "root_fs"; + mutex_unlock(&ubd_lock); + return(0); } __initcall(ubd0_init); +/* Used in ubd_init, which is an initcall */ static struct platform_driver ubd_driver = { .driver = { .name = DRIVER_NAME, @@ -851,17 +870,12 @@ static struct platform_driver ubd_driver = { static int __init ubd_init(void) { - int i; + char *error; + int i, err; if (register_blkdev(MAJOR_NR, "ubd")) return -1; - ubd_queue = blk_init_queue(do_ubd_request, &ubd_io_lock); - if (!ubd_queue) { - unregister_blkdev(MAJOR_NR, "ubd"); - return -1; - } - if (fake_major != MAJOR_NR) { char name[sizeof("ubd_nnn\0")]; @@ -870,8 +884,14 @@ static int __init ubd_init(void) return -1; } platform_driver_register(&ubd_driver); - for (i = 0; i < MAX_DEV; i++) - ubd_add(i); + mutex_lock(&ubd_lock); + for (i = 0; i < MAX_DEV; i++){ + err = ubd_add(i, &error); + if(err) + printk(KERN_ERR "Failed to initialize ubd device %d :" + "%s\n", i, error); + } + mutex_unlock(&ubd_lock); return 0; } @@ -1003,7 +1023,7 @@ static void cowify_req(struct io_thread_req *req, unsigned long *bitmap, req->bitmap_words, bitmap_len); } -/* Called with ubd_io_lock held */ +/* Called with dev->lock held */ static int prepare_request(struct request *req, struct io_thread_req *io_req) { struct gendisk *disk = req->rq_disk; @@ -1022,6 +1042,7 @@ static int prepare_request(struct request *req, struct io_thread_req *io_req) offset = ((__u64) req->sector) << 9; len = req->current_nr_sectors << 9; + io_req->req = req; io_req->fds[0] = (ubd_dev->cow.file != NULL) ? ubd_dev->cow.fd : ubd_dev->fd; io_req->fds[1] = ubd_dev->fd; io_req->cow_offset = -1; @@ -1043,7 +1064,7 @@ static int prepare_request(struct request *req, struct io_thread_req *io_req) return(0); } -/* Called with ubd_io_lock held */ +/* Called with dev->lock held */ static void do_ubd_request(request_queue_t *q) { struct io_thread_req io_req; @@ -1102,7 +1123,7 @@ static int ubd_ioctl(struct inode * inode, struct file * file, sizeof(ubd_id))) return(-EFAULT); return(0); - + case CDROMVOLREAD: if(copy_from_user(&volume, (char __user *) arg, sizeof(volume))) return(-EFAULT); diff --git a/arch/um/include/chan_kern.h b/arch/um/include/chan_kern.h index 9003a343e14..c4b41bb1035 100644 --- a/arch/um/include/chan_kern.h +++ b/arch/um/include/chan_kern.h @@ -30,14 +30,13 @@ struct chan { extern void chan_interrupt(struct list_head *chans, struct delayed_work *task, struct tty_struct *tty, int irq); extern int parse_chan_pair(char *str, struct line *line, int device, - const struct chan_opts *opts); + const struct chan_opts *opts, char **error_out); extern int open_chan(struct list_head *chans); extern int write_chan(struct list_head *chans, const char *buf, int len, int write_irq); extern int console_write_chan(struct list_head *chans, const char *buf, int len); -extern int console_open_chan(struct line *line, struct console *co, - const struct chan_opts *opts); +extern int console_open_chan(struct line *line, struct console *co); extern void deactivate_chan(struct list_head *chans, int irq); extern void reactivate_chan(struct list_head *chans, int irq); extern void chan_enable_winch(struct list_head *chans, struct tty_struct *tty); diff --git a/arch/um/include/chan_user.h b/arch/um/include/chan_user.h index a795547a1db..38f16d812e7 100644 --- a/arch/um/include/chan_user.h +++ b/arch/um/include/chan_user.h @@ -1,4 +1,4 @@ -/* +/* * Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com) * Licensed under the GPL */ @@ -9,11 +9,11 @@ #include "init.h" struct chan_opts { - void (*announce)(char *dev_name, int dev); + void (*const announce)(char *dev_name, int dev); char *xterm_title; - int raw; - unsigned long tramp_stack; - int in_kernel; + const int raw; + const unsigned long tramp_stack; + const int in_kernel; }; enum chan_init_pri { INIT_STATIC, INIT_ALL, INIT_ONE }; @@ -54,14 +54,3 @@ __uml_help(fn, prefix "[0-9]*=<channel description>\n" \ ); #endif - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/include/kern_util.h b/arch/um/include/kern_util.h index cec9fcc57bf..173af029d12 100644 --- a/arch/um/include/kern_util.h +++ b/arch/um/include/kern_util.h @@ -61,7 +61,6 @@ extern int set_signals(int enable); extern void force_sigbus(void); extern int pid_to_processor_id(int pid); extern void deliver_signals(void *t); -extern int next_syscall_index(int max); extern int next_trap_index(int max); extern void default_idle(void); extern void finish_fork(void); @@ -88,7 +87,6 @@ extern void timer_irq(union uml_pt_regs *regs); extern void unprotect_stack(unsigned long stack); extern void do_uml_exitcalls(void); extern int attach_debugger(int idle_pid, int pid, int stop); -extern void bad_segv(struct faultinfo fi, unsigned long ip); extern int config_gdb(char *str); extern int remove_gdb(void); extern char *uml_strdup(char *string); @@ -104,8 +102,6 @@ extern int clear_user_proc(void *buf, int size); extern int copy_to_user_proc(void *to, void *from, int size); extern int copy_from_user_proc(void *to, void *from, int size); extern int strlen_user_proc(char *str); -extern void bus_handler(int sig, union uml_pt_regs *regs); -extern void winch(int sig, union uml_pt_regs *regs); extern long execute_syscall(void *r); extern int smp_sigio_handler(void); extern void *get_current(void); @@ -120,7 +116,6 @@ extern void time_init_kern(void); /* Are we disallowed to sleep? Used to choose between GFP_KERNEL and GFP_ATOMIC. */ extern int __cant_sleep(void); -extern void segv_handler(int sig, union uml_pt_regs *regs); extern void sigio_handler(int sig, union uml_pt_regs *regs); #endif diff --git a/arch/um/include/line.h b/arch/um/include/line.h index 5f232ae89fb..1223f2c844b 100644 --- a/arch/um/include/line.h +++ b/arch/um/include/line.h @@ -11,36 +11,37 @@ #include "linux/tty.h" #include "linux/interrupt.h" #include "linux/spinlock.h" +#include "linux/mutex.h" #include "chan_user.h" #include "mconsole_kern.h" +/* There's only one modifiable field in this - .mc.list */ struct line_driver { - char *name; - char *device_name; - short major; - short minor_start; - short type; - short subtype; - int read_irq; - char *read_irq_name; - int write_irq; - char *write_irq_name; - char *symlink_from; - char *symlink_to; + const char *name; + const char *device_name; + const short major; + const short minor_start; + const short type; + const short subtype; + const int read_irq; + const char *read_irq_name; + const int write_irq; + const char *write_irq_name; struct mc_device mc; }; struct line { struct tty_struct *tty; + spinlock_t count_lock; + int valid; + char *init_str; int init_pri; struct list_head chan_list; - int valid; - int count; - int throttled; + /*This lock is actually, mostly, local to*/ spinlock_t lock; - + int throttled; /* Yes, this is a real circular buffer. * XXX: And this should become a struct kfifo! * @@ -57,22 +58,17 @@ struct line { }; #define LINE_INIT(str, d) \ - { .init_str = str, \ + { .count_lock = SPIN_LOCK_UNLOCKED, \ + .init_str = str, \ .init_pri = INIT_STATIC, \ .valid = 1, \ .lock = SPIN_LOCK_UNLOCKED, \ .driver = d } -struct lines { - int num; -}; - -#define LINES_INIT(n) { .num = n } - extern void line_close(struct tty_struct *tty, struct file * filp); extern int line_open(struct line *lines, struct tty_struct *tty); extern int line_setup(struct line *lines, unsigned int sizeof_lines, - char *init); + char *init, char **error_out); extern int line_write(struct tty_struct *tty, const unsigned char *buf, int len); extern void line_put_char(struct tty_struct *tty, unsigned char ch); @@ -90,17 +86,18 @@ extern char *add_xterm_umid(char *base); extern int line_setup_irq(int fd, int input, int output, struct line *line, void *data); extern void line_close_chan(struct line *line); -extern struct tty_driver * line_register_devfs(struct lines *set, - struct line_driver *line_driver, - const struct tty_operations *driver, - struct line *lines, int nlines); +extern struct tty_driver *register_lines(struct line_driver *line_driver, + const struct tty_operations *driver, + struct line *lines, int nlines); extern void lines_init(struct line *lines, int nlines, struct chan_opts *opts); extern void close_lines(struct line *lines, int nlines); extern int line_config(struct line *lines, unsigned int sizeof_lines, - char *str, const struct chan_opts *opts); + char *str, const struct chan_opts *opts, + char **error_out); extern int line_id(char **str, int *start_out, int *end_out); -extern int line_remove(struct line *lines, unsigned int sizeof_lines, int n); +extern int line_remove(struct line *lines, unsigned int sizeof_lines, int n, + char **error_out); extern int line_get_config(char *dev, struct line *lines, unsigned int sizeof_lines, char *str, int size, char **error_out); diff --git a/arch/um/include/mconsole_kern.h b/arch/um/include/mconsole_kern.h index 1ea6d928e1c..d2fe07e7895 100644 --- a/arch/um/include/mconsole_kern.h +++ b/arch/um/include/mconsole_kern.h @@ -18,10 +18,10 @@ struct mconsole_entry { struct mc_device { struct list_head list; char *name; - int (*config)(char *); + int (*config)(char *, char **); int (*get_config)(char *, char *, int, char **); - int (*id)(char **, int *, int *); - int (*remove)(int); + int (*id)(char **, int *, int *); + int (*remove)(int, char **); }; #define CONFIG_CHUNK(str, size, current, chunk, end) \ @@ -50,14 +50,3 @@ static inline void mconsole_register_dev(struct mc_device *new) #endif #endif - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/include/net_kern.h b/arch/um/include/net_kern.h index 218f8b47fdc..125ab42df18 100644 --- a/arch/um/include/net_kern.h +++ b/arch/um/include/net_kern.h @@ -1,4 +1,4 @@ -/* +/* * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) * Licensed under the GPL */ @@ -36,7 +36,7 @@ struct uml_net_private { void (*remove)(void *); int (*read)(int, struct sk_buff **skb, struct uml_net_private *); int (*write)(int, struct sk_buff **skb, struct uml_net_private *); - + void (*add_address)(unsigned char *, unsigned char *, void *); void (*delete_address)(unsigned char *, unsigned char *, void *); int (*set_mtu)(int mtu, void *); @@ -52,18 +52,18 @@ struct net_kern_info { struct transport { struct list_head list; - char *name; - int (*setup)(char *, char **, void *); + const char *name; + int (* const setup)(char *, char **, void *); const struct net_user_info *user; const struct net_kern_info *kern; - int private_size; - int setup_size; + const int private_size; + const int setup_size; }; extern struct net_device *ether_init(int); extern unsigned short ether_protocol(struct sk_buff *); extern struct sk_buff *ether_adjust_skb(struct sk_buff *skb, int extra); -extern int tap_setup_common(char *str, char *type, char **dev_name, +extern int tap_setup_common(char *str, char *type, char **dev_name, char **mac_out, char **gate_addr); extern void register_transport(struct transport *new); extern unsigned short eth_protocol(struct sk_buff *skb); diff --git a/arch/um/include/os.h b/arch/um/include/os.h index 13a86bd383d..8629bd19149 100644 --- a/arch/um/include/os.h +++ b/arch/um/include/os.h @@ -137,7 +137,6 @@ extern int os_new_tty_pgrp(int fd, int pid); extern int os_get_ifname(int fd, char *namebuf); extern int os_set_slip(int fd); extern int os_set_owner(int fd, int pid); -extern int os_sigio_async(int master, int slave); extern int os_mode_fd(int fd, int mode); extern int os_seek_file(int fd, __u64 offset); @@ -341,4 +340,6 @@ extern void maybe_sigio_broken(int fd, int read); extern void sig_handler_common_skas(int sig, void *sc_ptr); extern void user_signal(int sig, union uml_pt_regs *regs, int pid); +extern int os_arch_prctl(int pid, int code, unsigned long *addr); + #endif diff --git a/arch/um/include/sigio.h b/arch/um/include/sigio.h index fe99ea163c2..434f1a9ae4b 100644 --- a/arch/um/include/sigio.h +++ b/arch/um/include/sigio.h @@ -12,14 +12,3 @@ extern void sigio_lock(void); extern void sigio_unlock(void); #endif - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/include/tempfile.h b/arch/um/include/tempfile.h index e36d9e0f510..d441eac936b 100644 --- a/arch/um/include/tempfile.h +++ b/arch/um/include/tempfile.h @@ -9,13 +9,3 @@ extern int make_tempfile(const char *template, char **tempname, int do_unlink); #endif -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/include/umid.h b/arch/um/include/umid.h deleted file mode 100644 index 11373c851f1..00000000000 --- a/arch/um/include/umid.h +++ /dev/null @@ -1,22 +0,0 @@ -/* - * Copyright (C) 2001 Jeff Dike (jdike@karaya.com) - * Licensed under the GPL - */ - -#ifndef __UMID_H__ -#define __UMID_H__ - -extern int umid_file_name(char *name, char *buf, int len); - -#endif - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/include/user_util.h b/arch/um/include/user_util.h index 06625fefef3..023575f6734 100644 --- a/arch/um/include/user_util.h +++ b/arch/um/include/user_util.h @@ -38,8 +38,6 @@ extern unsigned long long highmem; extern char host_info[]; -extern char saved_command_line[]; - extern unsigned long _stext, _etext, _sdata, _edata, __bss_start, _end; extern unsigned long _unprotected_end; extern unsigned long brk_start; diff --git a/arch/um/kernel/Makefile b/arch/um/kernel/Makefile index 6fa63a2a89e..c5cf4a0827b 100644 --- a/arch/um/kernel/Makefile +++ b/arch/um/kernel/Makefile @@ -7,7 +7,7 @@ extra-y := vmlinux.lds clean-files := obj-y = config.o exec.o exitcode.o init_task.o irq.o ksyms.o mem.o \ - physmem.o process.o ptrace.o reboot.o resource.o sigio.o \ + physmem.o process.o ptrace.o reboot.o sigio.o \ signal.o smp.o syscall.o sysrq.o time.o tlb.o trap.o uaccess.o \ um_arch.o umid.o diff --git a/arch/um/kernel/exec.c b/arch/um/kernel/exec.c index 8d56ec6cca7..121166400e2 100644 --- a/arch/um/kernel/exec.c +++ b/arch/um/kernel/exec.c @@ -39,9 +39,9 @@ static long execve1(char *file, char __user * __user *argv, char __user *__user *env) { long error; +#ifdef CONFIG_TTY_LOG struct tty_struct *tty; -#ifdef CONFIG_TTY_LOG mutex_lock(&tty_mutex); tty = get_current_tty(); if (tty) diff --git a/arch/um/kernel/irq.c b/arch/um/kernel/irq.c index 5c1e611f628..50a288bb875 100644 --- a/arch/um/kernel/irq.c +++ b/arch/um/kernel/irq.c @@ -79,7 +79,7 @@ skip: return 0; } -struct irq_fd *active_fds = NULL; +static struct irq_fd *active_fds = NULL; static struct irq_fd **last_irq_ptr = &active_fds; extern void free_irqs(void); @@ -124,8 +124,8 @@ int activate_fd(int irq, int fd, int type, void *dev_id) if (err < 0) goto out; - new_fd = um_kmalloc(sizeof(*new_fd)); err = -ENOMEM; + new_fd = kmalloc(sizeof(struct irq_fd), GFP_KERNEL); if (new_fd == NULL) goto out; @@ -176,9 +176,8 @@ int activate_fd(int irq, int fd, int type, void *dev_id) */ spin_unlock_irqrestore(&irq_lock, flags); kfree(tmp_pfd); - tmp_pfd = NULL; - tmp_pfd = um_kmalloc(n); + tmp_pfd = kmalloc(n, GFP_KERNEL); if (tmp_pfd == NULL) goto out_kfree; diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c index c95855ba6ab..e85d65deea0 100644 --- a/arch/um/kernel/mem.c +++ b/arch/um/kernel/mem.c @@ -24,8 +24,9 @@ #include "init.h" #include "kern_constants.h" -/* Changed during early boot */ +/* allocated in paging_init, zeroed in mem_init, and unchanged thereafter */ unsigned long *empty_zero_page = NULL; +/* allocated in paging_init and unchanged thereafter */ unsigned long *empty_bad_page = NULL; pgd_t swapper_pg_dir[PTRS_PER_PGD]; unsigned long long highmem; @@ -65,8 +66,8 @@ void mem_init(void) { max_low_pfn = (high_physmem - uml_physmem) >> PAGE_SHIFT; - /* clear the zero-page */ - memset((void *) empty_zero_page, 0, PAGE_SIZE); + /* clear the zero-page */ + memset((void *) empty_zero_page, 0, PAGE_SIZE); /* Map in the area just after the brk now that kmalloc is about * to be turned on. @@ -253,8 +254,10 @@ struct page *arch_validate(struct page *page, gfp_t mask, int order) int i; again: - if(page == NULL) return(page); - if(PageHighMem(page)) return(page); + if(page == NULL) + return page; + if(PageHighMem(page)) + return page; addr = (unsigned long) page_address(page); for(i = 0; i < (1 << order); i++){ @@ -263,13 +266,15 @@ struct page *arch_validate(struct page *page, gfp_t mask, int order) sizeof(zero), ¤t->thread.fault_addr, ¤t->thread.fault_catcher)){ - if(!(mask & __GFP_WAIT)) return(NULL); + if(!(mask & __GFP_WAIT)) + return NULL; else break; } addr += PAGE_SIZE; } - if(i == (1 << order)) return(page); + if(i == (1 << order)) + return page; page = alloc_pages(mask, order); goto again; } @@ -283,7 +288,6 @@ void free_initmem(void) } #ifdef CONFIG_BLK_DEV_INITRD - void free_initrd_mem(unsigned long start, unsigned long end) { if (start < end) @@ -296,37 +300,36 @@ void free_initrd_mem(unsigned long start, unsigned long end) totalram_pages++; } } - #endif void show_mem(void) { - int pfn, total = 0, reserved = 0; - int shared = 0, cached = 0; - int highmem = 0; + int pfn, total = 0, reserved = 0; + int shared = 0, cached = 0; + int highmem = 0; struct page *page; - printk("Mem-info:\n"); - show_free_areas(); - printk("Free swap: %6ldkB\n", nr_swap_pages<<(PAGE_SHIFT-10)); - pfn = max_mapnr; - while(pfn-- > 0) { + printk("Mem-info:\n"); + show_free_areas(); + printk("Free swap: %6ldkB\n", nr_swap_pages<<(PAGE_SHIFT-10)); + pfn = max_mapnr; + while(pfn-- > 0) { page = pfn_to_page(pfn); - total++; - if(PageHighMem(page)) - highmem++; - if(PageReserved(page)) - reserved++; - else if(PageSwapCache(page)) - cached++; - else if(page_count(page)) - shared += page_count(page) - 1; - } - printk("%d pages of RAM\n", total); - printk("%d pages of HIGHMEM\n", highmem); - printk("%d reserved pages\n", reserved); - printk("%d pages shared\n", shared); - printk("%d pages swap cached\n", cached); + total++; + if(PageHighMem(page)) + highmem++; + if(PageReserved(page)) + reserved++; + else if(PageSwapCache(page)) + cached++; + else if(page_count(page)) + shared += page_count(page) - 1; + } + printk("%d pages of RAM\n", total); + printk("%d pages of HIGHMEM\n", highmem); + printk("%d reserved pages\n", reserved); + printk("%d pages shared\n", shared); + printk("%d pages swap cached\n", cached); } /* @@ -362,28 +365,7 @@ pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) struct page *pte_alloc_one(struct mm_struct *mm, unsigned long address) { struct page *pte; - + pte = alloc_page(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO); return pte; } - -struct iomem_region *iomem_regions = NULL; -int iomem_size = 0; - -extern int parse_iomem(char *str, int *add) __init; - -__uml_setup("iomem=", parse_iomem, -"iomem=<name>,<file>\n" -" Configure <file> as an IO memory region named <name>.\n\n" -); - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/kernel/physmem.c b/arch/um/kernel/physmem.c index abafa64b872..638f3b5f609 100644 --- a/arch/um/kernel/physmem.c +++ b/arch/um/kernel/physmem.c @@ -40,7 +40,7 @@ static struct rb_node **find_rb(void *virt) while(*n != NULL){ d = rb_entry(*n, struct phys_desc, rb); if(d->virt == virt) - return(n); + return n; if(d->virt > virt) n = &(*n)->rb_left; @@ -48,7 +48,7 @@ static struct rb_node **find_rb(void *virt) n = &(*n)->rb_right; } - return(n); + return n; } static struct phys_desc *find_phys_mapping(void *virt) @@ -56,9 +56,9 @@ static struct phys_desc *find_phys_mapping(void *virt) struct rb_node **n = find_rb(virt); if(*n == NULL) - return(NULL); + return NULL; - return(rb_entry(*n, struct phys_desc, rb)); + return rb_entry(*n, struct phys_desc, rb); } static void insert_phys_mapping(struct phys_desc *desc) @@ -89,10 +89,10 @@ static struct desc_mapping *find_mapping(int fd) list_for_each(ele, &descriptor_mappings){ desc = list_entry(ele, struct desc_mapping, list); if(desc->fd == fd) - return(desc); + return desc; } - return(NULL); + return NULL; } static struct desc_mapping *descriptor_mapping(int fd) @@ -101,11 +101,11 @@ static struct desc_mapping *descriptor_mapping(int fd) desc = find_mapping(fd); if(desc != NULL) - return(desc); + return desc; desc = kmalloc(sizeof(*desc), GFP_ATOMIC); if(desc == NULL) - return(NULL); + return NULL; *desc = ((struct desc_mapping) { .fd = fd, @@ -113,7 +113,7 @@ static struct desc_mapping *descriptor_mapping(int fd) .pages = LIST_HEAD_INIT(desc->pages) }); list_add(&desc->list, &descriptor_mappings); - return(desc); + return desc; } int physmem_subst_mapping(void *virt, int fd, __u64 offset, int w) @@ -125,11 +125,11 @@ int physmem_subst_mapping(void *virt, int fd, __u64 offset, int w) fd_maps = descriptor_mapping(fd); if(fd_maps == NULL) - return(-ENOMEM); + return -ENOMEM; phys = __pa(virt); desc = find_phys_mapping(virt); - if(desc != NULL) + if(desc != NULL) panic("Address 0x%p is already substituted\n", virt); err = -ENOMEM; @@ -155,7 +155,7 @@ int physmem_subst_mapping(void *virt, int fd, __u64 offset, int w) rb_erase(&desc->rb, &phys_mappings); kfree(desc); out: - return(err); + return err; } static int physmem_fd = -1; @@ -182,10 +182,10 @@ int physmem_remove_mapping(void *virt) virt = (void *) ((unsigned long) virt & PAGE_MASK); desc = find_phys_mapping(virt); if(desc == NULL) - return(0); + return 0; remove_mapping(desc); - return(1); + return 1; } void physmem_forget_descriptor(int fd) @@ -239,9 +239,9 @@ void arch_free_page(struct page *page, int order) int is_remapped(void *virt) { - struct phys_desc *desc = find_phys_mapping(virt); + struct phys_desc *desc = find_phys_mapping(virt); - return(desc != NULL); + return desc != NULL; } /* Changed during early boot */ @@ -276,7 +276,7 @@ int init_maps(unsigned long physmem, unsigned long iomem, unsigned long highmem) else map = alloc_bootmem_low_pages(total_len); if(map == NULL) - return(-ENOMEM); + return -ENOMEM; for(i = 0; i < total_pages; i++){ p = &map[i]; @@ -286,7 +286,7 @@ int init_maps(unsigned long physmem, unsigned long iomem, unsigned long highmem) } max_mapnr = total_pages; - return(0); + return 0; } /* Changed during early boot */ @@ -296,7 +296,7 @@ unsigned long get_kmem_end(void) { if(kmem_top == 0) kmem_top = CHOOSE_MODE(kmem_end_tt, kmem_end_skas); - return(kmem_top); + return kmem_top; } void map_memory(unsigned long virt, unsigned long phys, unsigned long len, @@ -379,7 +379,7 @@ int phys_mapping(unsigned long phys, __u64 *offset_out) *offset_out = phys - iomem_size; } - return(fd); + return fd; } static int __init uml_mem_setup(char *line, int *add) @@ -398,6 +398,23 @@ __uml_setup("mem=", uml_mem_setup, " Example: mem=64M\n\n" ); +extern int __init parse_iomem(char *str, int *add); + +__uml_setup("iomem=", parse_iomem, +"iomem=<name>,<file>\n" +" Configure <file> as an IO memory region named <name>.\n\n" +); + +/* + * This list is constructed in parse_iomem and addresses filled in in + * setup_iomem, both of which run during early boot. Afterwards, it's + * unchanged. + */ +struct iomem_region *iomem_regions = NULL; + +/* Initialized in parse_iomem */ +int iomem_size = 0; + unsigned long find_iomem(char *driver, unsigned long *len_out) { struct iomem_region *region = iomem_regions; @@ -405,13 +422,13 @@ unsigned long find_iomem(char *driver, unsigned long *len_out) while(region != NULL){ if(!strcmp(region->driver, driver)){ *len_out = region->size; - return(region->virt); + return region->virt; } region = region->next; } - return(0); + return 0; } int setup_iomem(void) @@ -435,18 +452,7 @@ int setup_iomem(void) region = region->next; } - return(0); + return 0; } __initcall(setup_iomem); - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/kernel/ptrace.c b/arch/um/kernel/ptrace.c index 9a77fb3c269..627742d8943 100644 --- a/arch/um/kernel/ptrace.c +++ b/arch/um/kernel/ptrace.c @@ -18,6 +18,7 @@ #include "kern_util.h" #include "skas_ptrace.h" #include "sysdep/ptrace.h" +#include "os.h" static inline void set_singlestepping(struct task_struct *child, int on) { @@ -241,6 +242,12 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; } #endif +#ifdef PTRACE_ARCH_PRCTL + case PTRACE_ARCH_PRCTL: + /* XXX Calls ptrace on the host - needs some SMP thinking */ + ret = arch_prctl_skas(child, data, (void *) addr); + break; +#endif default: ret = ptrace_request(child, request, addr, data); break; diff --git a/arch/um/kernel/resource.c b/arch/um/kernel/resource.c deleted file mode 100644 index 32188e12e8a..00000000000 --- a/arch/um/kernel/resource.c +++ /dev/null @@ -1,23 +0,0 @@ -/* - * Copyright (C) 2000 Jeff Dike (jdike@karaya.com) - * Licensed under the GPL - */ - -#include "linux/pci.h" - -unsigned long resource_fixup(struct pci_dev * dev, struct resource * res, - unsigned long start, unsigned long size) -{ - return start; -} - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/kernel/sigio.c b/arch/um/kernel/sigio.c index 2b0ab438301..89f9866a135 100644 --- a/arch/um/kernel/sigio.c +++ b/arch/um/kernel/sigio.c @@ -23,7 +23,7 @@ static irqreturn_t sigio_interrupt(int irq, void *data) os_read_file(sigio_irq_fd, &c, sizeof(c)); reactivate_fd(sigio_irq_fd, SIGIO_WRITE_IRQ); - return(IRQ_HANDLED); + return IRQ_HANDLED; } int write_sigio_irq(int fd) @@ -36,12 +36,13 @@ int write_sigio_irq(int fd) if(err){ printk("write_sigio_irq : um_request_irq failed, err = %d\n", err); - return(-1); + return -1; } sigio_irq_fd = fd; - return(0); + return 0; } +/* These are called from os-Linux/sigio.c to protect its pollfds arrays. */ static DEFINE_SPINLOCK(sigio_spinlock); void sigio_lock(void) diff --git a/arch/um/kernel/skas/mem.c b/arch/um/kernel/skas/mem.c index 0d2cce62113..7c18dfcd7d8 100644 --- a/arch/um/kernel/skas/mem.c +++ b/arch/um/kernel/skas/mem.c @@ -14,13 +14,9 @@ unsigned long set_task_sizes_skas(unsigned long *task_size_out) unsigned long host_task_size = ROUND_4M((unsigned long) &host_task_size); -#ifdef CONFIG_HOST_TASK_SIZE - *host_size_out = ROUND_4M(CONFIG_HOST_TASK_SIZE); - *task_size_out = CONFIG_HOST_TASK_SIZE; -#else if (!skas_needs_stub) *task_size_out = host_task_size; else *task_size_out = CONFIG_STUB_START & PGDIR_MASK; -#endif + return host_task_size; } diff --git a/arch/um/kernel/syscall.c b/arch/um/kernel/syscall.c index f5ed8624648..2828c528322 100644 --- a/arch/um/kernel/syscall.c +++ b/arch/um/kernel/syscall.c @@ -149,22 +149,6 @@ long sys_olduname(struct oldold_utsname __user * name) return error; } -DEFINE_SPINLOCK(syscall_lock); - -static int syscall_index = 0; - -int next_syscall_index(int limit) -{ - int ret; - - spin_lock(&syscall_lock); - ret = syscall_index; - if(++syscall_index == limit) - syscall_index = 0; - spin_unlock(&syscall_lock); - return(ret); -} - int kernel_execve(const char *filename, char *const argv[], char *const envp[]) { mm_segment_t fs; diff --git a/arch/um/kernel/sysrq.c b/arch/um/kernel/sysrq.c index 239c98054de..f9e02b31a97 100644 --- a/arch/um/kernel/sysrq.c +++ b/arch/um/kernel/sysrq.c @@ -50,7 +50,7 @@ void dump_stack(void) EXPORT_SYMBOL(dump_stack); /*Stolen from arch/i386/kernel/traps.c */ -static int kstack_depth_to_print = 24; +static const int kstack_depth_to_print = 24; /* This recently started being used in arch-independent code too, as in * kernel/sched.c.*/ diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c index 2e354b3ca06..b1f8b075241 100644 --- a/arch/um/kernel/time.c +++ b/arch/um/kernel/time.c @@ -35,31 +35,31 @@ unsigned long long sched_clock(void) return (unsigned long long)jiffies_64 * (1000000000 / HZ); } -static unsigned long long prev_nsecs; +static unsigned long long prev_nsecs[NR_CPUS]; #ifdef CONFIG_UML_REAL_TIME_CLOCK -static long long delta; /* Deviation per interval */ +static long long delta[NR_CPUS]; /* Deviation per interval */ #endif void timer_irq(union uml_pt_regs *regs) { unsigned long long ticks = 0; - #ifdef CONFIG_UML_REAL_TIME_CLOCK - if(prev_nsecs){ + int c = cpu(); + if(prev_nsecs[c]){ /* We've had 1 tick */ unsigned long long nsecs = os_nsecs(); - delta += nsecs - prev_nsecs; - prev_nsecs = nsecs; + delta[c] += nsecs - prev_nsecs[c]; + prev_nsecs[c] = nsecs; /* Protect against the host clock being set backwards */ - if(delta < 0) - delta = 0; + if(delta[c] < 0) + delta[c] = 0; - ticks += (delta * HZ) / BILLION; - delta -= (ticks * BILLION) / HZ; + ticks += (delta[c] * HZ) / BILLION; + delta[c] -= (ticks * BILLION) / HZ; } - else prev_nsecs = os_nsecs(); + else prev_nsecs[c] = os_nsecs(); #else ticks = 1; #endif @@ -69,8 +69,8 @@ void timer_irq(union uml_pt_regs *regs) } } +/* Protects local_offset */ static DEFINE_SPINLOCK(timer_spinlock); - static unsigned long long local_offset = 0; static inline unsigned long long get_time(void) diff --git a/arch/um/kernel/trap.c b/arch/um/kernel/trap.c index b5f124a2f6a..26f15c45857 100644 --- a/arch/um/kernel/trap.c +++ b/arch/um/kernel/trap.c @@ -128,7 +128,18 @@ out_of_memory: goto out; } -void segv_handler(int sig, union uml_pt_regs *regs) +static void bad_segv(struct faultinfo fi, unsigned long ip) +{ + struct siginfo si; + + si.si_signo = SIGSEGV; + si.si_code = SEGV_ACCERR; + si.si_addr = (void __user *) FAULT_ADDRESS(fi); + current->thread.arch.faultinfo = fi; + force_sig_info(SIGSEGV, &si, current); +} + +static void segv_handler(int sig, union uml_pt_regs *regs) { struct faultinfo * fi = UPT_FAULTINFO(regs); @@ -205,17 +216,6 @@ unsigned long segv(struct faultinfo fi, unsigned long ip, int is_user, void *sc) return(0); } -void bad_segv(struct faultinfo fi, unsigned long ip) -{ - struct siginfo si; - - si.si_signo = SIGSEGV; - si.si_code = SEGV_ACCERR; - si.si_addr = (void __user *) FAULT_ADDRESS(fi); - current->thread.arch.faultinfo = fi; - force_sig_info(SIGSEGV, &si, current); -} - void relay_signal(int sig, union uml_pt_regs *regs) { if(arch_handle_signal(sig, regs)) @@ -232,14 +232,14 @@ void relay_signal(int sig, union uml_pt_regs *regs) force_sig(sig, current); } -void bus_handler(int sig, union uml_pt_regs *regs) +static void bus_handler(int sig, union uml_pt_regs *regs) { if(current->thread.fault_catcher != NULL) do_longjmp(current->thread.fault_catcher, 1); else relay_signal(sig, regs); } -void winch(int sig, union uml_pt_regs *regs) +static void winch(int sig, union uml_pt_regs *regs) { do_IRQ(WINCH_IRQ, regs); } diff --git a/arch/um/kernel/tt/gdb.c b/arch/um/kernel/tt/gdb.c index 786e4edd86c..8eba8f7dca6 100644 --- a/arch/um/kernel/tt/gdb.c +++ b/arch/um/kernel/tt/gdb.c @@ -139,7 +139,7 @@ static void config_gdb_cb(void *arg) init_proxy(debugger_pid, 0, 0); } -int gdb_config(char *str) +int gdb_config(char *str, char **error_out) { struct gdb_data data; @@ -154,7 +154,7 @@ void remove_gdb_cb(void *unused) exit_debugger_cb(NULL); } -int gdb_remove(int unused) +int gdb_remove(int unused, char **error_out) { initial_thread_cb(remove_gdb_cb, NULL); return 0; diff --git a/arch/um/kernel/tt/gdb_kern.c b/arch/um/kernel/tt/gdb_kern.c index 68e1bf63cd0..03b06bc0077 100644 --- a/arch/um/kernel/tt/gdb_kern.c +++ b/arch/um/kernel/tt/gdb_kern.c @@ -8,10 +8,11 @@ #ifdef CONFIG_MCONSOLE -extern int gdb_config(char *str); -extern int gdb_remove(int n); +extern int gdb_config(char *str, char **error_out); +extern int gdb_remove(int n, char **error_out); static struct mc_device gdb_mc = { + .list = INIT_LIST_HEAD(gdb_mc.list), .name = "gdb", .config = gdb_config, .remove = gdb_remove, diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c index 66f43c90682..89c6dba731f 100644 --- a/arch/um/kernel/um_arch.c +++ b/arch/um/kernel/um_arch.c @@ -30,7 +30,6 @@ #include "kern.h" #include "mem_user.h" #include "mem.h" -#include "umid.h" #include "initrd.h" #include "init.h" #include "os.h" @@ -44,9 +43,9 @@ #define DEFAULT_COMMAND_LINE "root=98:0" /* Changed in linux_main and setup_arch, which run before SMP is started */ -static char command_line[COMMAND_LINE_SIZE] = { 0 }; +static char __initdata command_line[COMMAND_LINE_SIZE] = { 0 }; -static void add_arg(char *arg) +static void __init add_arg(char *arg) { if (strlen(command_line) + strlen(arg) + 1 > COMMAND_LINE_SIZE) { printf("add_arg: Too many command line arguments!\n"); @@ -331,7 +330,7 @@ EXPORT_SYMBOL(end_iomem); extern char __binary_start; -int linux_main(int argc, char **argv) +int __init linux_main(int argc, char **argv) { unsigned long avail, diff; unsigned long virtmem_size, max_physmem; @@ -482,7 +481,7 @@ void __init setup_arch(char **cmdline_p) atomic_notifier_chain_register(&panic_notifier_list, &panic_exit_notifier); paging_init(); - strlcpy(saved_command_line, command_line, COMMAND_LINE_SIZE); + strlcpy(boot_command_line, command_line, COMMAND_LINE_SIZE); *cmdline_p = command_line; setup_hostinfo(); } diff --git a/arch/um/kernel/umid.c b/arch/um/kernel/umid.c index 4eaee823bfd..039e16efcd5 100644 --- a/arch/um/kernel/umid.c +++ b/arch/um/kernel/umid.c @@ -16,8 +16,10 @@ static int __init set_umid_arg(char *name, int *add) { int err; - if(umid_inited) + if(umid_inited){ + printf("umid already set\n"); return 0; + } *add = 0; err = set_umid(name); diff --git a/arch/um/os-Linux/aio.c b/arch/um/os-Linux/aio.c index f897140cc4a..6ff12743a0b 100644 --- a/arch/um/os-Linux/aio.c +++ b/arch/um/os-Linux/aio.c @@ -24,9 +24,6 @@ struct aio_thread_req { struct aio_context *aio; }; -static int aio_req_fd_r = -1; -static int aio_req_fd_w = -1; - #if defined(HAVE_AIO_ABI) #include <linux/aio_abi.h> @@ -111,6 +108,7 @@ static int do_aio(aio_context_t ctx, enum aio_type type, int fd, char *buf, return err; } +/* Initialized in an initcall and unchanged thereafter */ static aio_context_t ctx = 0; static int aio_thread(void *arg) @@ -137,7 +135,7 @@ static int aio_thread(void *arg) err = os_write_file(reply_fd, &reply, sizeof(reply)); if(err != sizeof(reply)) printk("aio_thread - write failed, fd = %d, " - "err = %d\n", aio_req_fd_r, -err); + "err = %d\n", reply_fd, -err); } } return 0; @@ -182,6 +180,11 @@ out: return err; } +/* These are initialized in initcalls and not changed */ +static int aio_req_fd_r = -1; +static int aio_req_fd_w = -1; +static int aio_pid = -1; + static int not_aio_thread(void *arg) { struct aio_thread_req req; @@ -208,14 +211,12 @@ static int not_aio_thread(void *arg) err = os_write_file(req.aio->reply_fd, &reply, sizeof(reply)); if(err != sizeof(reply)) printk("not_aio_thread - write failed, fd = %d, " - "err = %d\n", aio_req_fd_r, -err); + "err = %d\n", req.aio->reply_fd, -err); } return 0; } -static int aio_pid = -1; - static int init_aio_24(void) { unsigned long stack; @@ -308,6 +309,7 @@ static int submit_aio_26(enum aio_type type, int io_fd, char *buf, int len, } #endif +/* Initialized in an initcall and unchanged thereafter */ static int aio_24 = DEFAULT_24_AIO; static int __init set_aio_24(char *name, int *add) diff --git a/arch/um/os-Linux/elf_aux.c b/arch/um/os-Linux/elf_aux.c index 5a99dd3fbed..3a8d7e3aae0 100644 --- a/arch/um/os-Linux/elf_aux.c +++ b/arch/um/os-Linux/elf_aux.c @@ -21,12 +21,11 @@ typedef Elf32_auxv_t elf_auxv_t; typedef Elf64_auxv_t elf_auxv_t; #endif +/* These are initialized very early in boot and never changed */ char * elf_aux_platform; long elf_aux_hwcap; - unsigned long vsyscall_ehdr; unsigned long vsyscall_end; - unsigned long __kernel_vsyscall; __init void scan_elf_aux( char **envp) diff --git a/arch/um/os-Linux/file.c b/arch/um/os-Linux/file.c index 189fa677085..371b4335f46 100644 --- a/arch/um/os-Linux/file.c +++ b/arch/um/os-Linux/file.c @@ -162,25 +162,6 @@ int os_set_owner(int fd, int pid) return 0; } -/* FIXME? moved wholesale from sigio_user.c to get fcntls out of that file */ -int os_sigio_async(int master, int slave) -{ - int flags; - - flags = fcntl(master, F_GETFL); - if(flags < 0) - return -errno; - - if((fcntl(master, F_SETFL, flags | O_NONBLOCK | O_ASYNC) < 0) || - (fcntl(master, F_SETOWN, os_getpid()) < 0)) - return -errno; - - if((fcntl(slave, F_SETFL, flags | O_NONBLOCK) < 0)) - return -errno; - - return(0); -} - int os_mode_fd(int fd, int mode) { int err; diff --git a/arch/um/os-Linux/irq.c b/arch/um/os-Linux/irq.c index d46b818c131..d1b61d474e0 100644 --- a/arch/um/os-Linux/irq.c +++ b/arch/um/os-Linux/irq.c @@ -20,6 +20,10 @@ #include "os.h" #include "um_malloc.h" +/* + * Locked by irq_lock in arch/um/kernel/irq.c. Changed by os_create_pollfd + * and os_free_irq_by_cb, which are called under irq_lock. + */ static struct pollfd *pollfds = NULL; static int pollfds_num = 0; static int pollfds_size = 0; @@ -58,7 +62,7 @@ int os_create_pollfd(int fd, int events, void *tmp_pfd, int size_tmpfds) if (pollfds_num == pollfds_size) { if (size_tmpfds <= pollfds_size * sizeof(pollfds[0])) { /* return min size needed for new pollfds area */ - return((pollfds_size + 1) * sizeof(pollfds[0])); + return (pollfds_size + 1) * sizeof(pollfds[0]); } if (pollfds != NULL) { diff --git a/arch/um/os-Linux/mem.c b/arch/um/os-Linux/mem.c index 4203681e508..f1ea169db85 100644 --- a/arch/um/os-Linux/mem.c +++ b/arch/um/os-Linux/mem.c @@ -20,7 +20,13 @@ #include <sys/param.h> +/* Modified by which_tmpdir, which is called during early boot */ static char *default_tmpdir = "/tmp"; + +/* + * Modified when creating the physical memory file and when checking + * the tmp filesystem for usability, both happening during early boot. + */ static char *tempdir = NULL; static void __init find_tempdir(void) @@ -29,7 +35,8 @@ static void __init find_tempdir(void) int i; char *dir = NULL; - if(tempdir != NULL) return; /* We've already been called */ + if(tempdir != NULL) /* We've already been called */ + return; for(i = 0; dirs[i]; i++){ dir = getenv(dirs[i]); if((dir != NULL) && (*dir != '\0')) @@ -83,6 +90,7 @@ static int next(int fd, char *buf, int size, char c) return 1; } +/* which_tmpdir is called only during early boot */ static int checked_tmpdir = 0; /* Look for a tmpfs mounted at /dev/shm. I couldn't find a cleaner @@ -186,7 +194,7 @@ int make_tempfile(const char *template, char **out_tempname, int do_unlink) } else { free(tempname); } - return(fd); + return fd; out: free(tempname); return -1; @@ -231,7 +239,7 @@ int create_tmp_file(unsigned long long len) exit(1); } - return(fd); + return fd; } int create_mem_file(unsigned long long len) @@ -245,7 +253,7 @@ int create_mem_file(unsigned long long len) errno = -err; perror("exec_close"); } - return(fd); + return fd; } diff --git a/arch/um/os-Linux/start_up.c b/arch/um/os-Linux/start_up.c index 7fe92680c7d..5178eba9afa 100644 --- a/arch/um/os-Linux/start_up.c +++ b/arch/um/os-Linux/start_up.c @@ -54,7 +54,7 @@ static int ptrace_child(void *arg) perror("ptrace"); os_kill_process(pid, 0); } - os_stop_process(pid); + kill(pid, SIGSTOP); /*This syscall will be intercepted by the parent. Don't call more than * once, please.*/ @@ -73,6 +73,34 @@ static int ptrace_child(void *arg) _exit(ret); } +static void fatal_perror(char *str) +{ + perror(str); + exit(1); +} + +static void fatal(char *fmt, ...) +{ + va_list list; + + va_start(list, fmt); + vprintf(fmt, list); + va_end(list); + fflush(stdout); + + exit(1); +} + +static void non_fatal(char *fmt, ...) +{ + va_list list; + + va_start(list, fmt); + vprintf(fmt, list); + va_end(list); + fflush(stdout); +} + static int start_ptraced_child(void **stack_out) { void *stack; @@ -82,20 +110,20 @@ static int start_ptraced_child(void **stack_out) stack = mmap(NULL, PAGE_SIZE, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); if(stack == MAP_FAILED) - panic("check_ptrace : mmap failed, errno = %d", errno); + fatal_perror("check_ptrace : mmap failed"); sp = (unsigned long) stack + PAGE_SIZE - sizeof(void *); pid = clone(ptrace_child, (void *) sp, SIGCHLD, NULL); if(pid < 0) - panic("start_ptraced_child : clone failed, errno = %d", errno); + fatal_perror("start_ptraced_child : clone failed"); CATCH_EINTR(n = waitpid(pid, &status, WUNTRACED)); if(n < 0) - panic("check_ptrace : clone failed, errno = %d", errno); + fatal_perror("check_ptrace : clone failed"); if(!WIFSTOPPED(status) || (WSTOPSIG(status) != SIGSTOP)) - panic("check_ptrace : expected SIGSTOP, got status = %d", + fatal("check_ptrace : expected SIGSTOP, got status = %d", status); *stack_out = stack; - return(pid); + return pid; } /* When testing for SYSEMU support, if it is one of the broken versions, we @@ -105,34 +133,34 @@ static int start_ptraced_child(void **stack_out) * must work anyway! */ static int stop_ptraced_child(int pid, void *stack, int exitcode, - int mustpanic) + int mustexit) { int status, n, ret = 0; if(ptrace(PTRACE_CONT, pid, 0, 0) < 0) - panic("check_ptrace : ptrace failed, errno = %d", errno); + fatal_perror("stop_ptraced_child : ptrace failed"); CATCH_EINTR(n = waitpid(pid, &status, 0)); if(!WIFEXITED(status) || (WEXITSTATUS(status) != exitcode)) { int exit_with = WEXITSTATUS(status); if (exit_with == 2) - printf("check_ptrace : child exited with status 2. " - "Serious trouble happening! Try updating your " - "host skas patch!\nDisabling SYSEMU support."); - printf("check_ptrace : child exited with exitcode %d, while " - "expecting %d; status 0x%x", exit_with, - exitcode, status); - if (mustpanic) - panic("\n"); - else - printf("\n"); + non_fatal("check_ptrace : child exited with status 2. " + "Serious trouble happening! Try updating " + "your host skas patch!\nDisabling SYSEMU " + "support."); + non_fatal("check_ptrace : child exited with exitcode %d, while " + "expecting %d; status 0x%x\n", exit_with, + exitcode, status); + if (mustexit) + exit(1); ret = -1; } if(munmap(stack, PAGE_SIZE) < 0) - panic("check_ptrace : munmap failed, errno = %d", errno); + fatal_perror("check_ptrace : munmap failed"); return ret; } +/* Changed only during early boot */ int ptrace_faultinfo = 1; int ptrace_ldt = 1; int proc_mm = 1; @@ -160,6 +188,7 @@ __uml_setup("mode=skas0", mode_skas0_cmd_param, " specify mode=tt. Note that this was recently added - on \n" " older kernels you must use simply \"skas0\".\n\n"); +/* Changed only during early boot */ static int force_sysemu_disabled = 0; static int __init nosysemu_cmd_param(char *str, int* add) @@ -180,9 +209,9 @@ __uml_setup("nosysemu", nosysemu_cmd_param, static void __init check_sysemu(void) { void *stack; - int pid, n, status, count=0; + int pid, n, status, count=0; - printf("Checking syscall emulation patch for ptrace..."); + non_fatal("Checking syscall emulation patch for ptrace..."); sysemu_supported = 0; pid = start_ptraced_child(&stack); @@ -191,31 +220,30 @@ static void __init check_sysemu(void) CATCH_EINTR(n = waitpid(pid, &status, WUNTRACED)); if (n < 0) - panic("check_sysemu : wait failed, errno = %d", errno); + fatal_perror("check_sysemu : wait failed"); if(!WIFSTOPPED(status) || (WSTOPSIG(status) != SIGTRAP)) - panic("check_sysemu : expected SIGTRAP, " - "got status = %d", status); + fatal("check_sysemu : expected SIGTRAP, got status = %d", + status); n = ptrace(PTRACE_POKEUSR, pid, PT_SYSCALL_RET_OFFSET, os_getpid()); if(n < 0) - panic("check_sysemu : failed to modify system " - "call return, errno = %d", errno); + fatal_perror("check_sysemu : failed to modify system call " + "return"); if (stop_ptraced_child(pid, stack, 0, 0) < 0) goto fail_stopped; sysemu_supported = 1; - printf("OK\n"); + non_fatal("OK\n"); set_using_sysemu(!force_sysemu_disabled); - printf("Checking advanced syscall emulation patch for ptrace..."); + non_fatal("Checking advanced syscall emulation patch for ptrace..."); pid = start_ptraced_child(&stack); - if(ptrace(PTRACE_OLDSETOPTIONS, pid, 0, - (void *) PTRACE_O_TRACESYSGOOD) < 0) - panic("check_ptrace: PTRACE_OLDSETOPTIONS failed, errno = %d", - errno); + if((ptrace(PTRACE_OLDSETOPTIONS, pid, 0, + (void *) PTRACE_O_TRACESYSGOOD) < 0)) + fatal_perror("check_ptrace: PTRACE_OLDSETOPTIONS failed"); while(1){ count++; @@ -223,29 +251,30 @@ static void __init check_sysemu(void) goto fail; CATCH_EINTR(n = waitpid(pid, &status, WUNTRACED)); if(n < 0) - panic("check_ptrace : wait failed, errno = %d", errno); + fatal_perror("check_ptrace : wait failed"); + if(WIFSTOPPED(status) && (WSTOPSIG(status) == (SIGTRAP|0x80))){ if (!count) - panic("check_ptrace : SYSEMU_SINGLESTEP " + fatal("check_ptrace : SYSEMU_SINGLESTEP " "doesn't singlestep"); n = ptrace(PTRACE_POKEUSR, pid, PT_SYSCALL_RET_OFFSET, os_getpid()); if(n < 0) - panic("check_sysemu : failed to modify system " - "call return, errno = %d", errno); + fatal_perror("check_sysemu : failed to modify " + "system call return"); break; } else if(WIFSTOPPED(status) && (WSTOPSIG(status) == SIGTRAP)) count++; else - panic("check_ptrace : expected SIGTRAP or " - "(SIGTRAP|0x80), got status = %d", status); + fatal("check_ptrace : expected SIGTRAP or " + "(SIGTRAP | 0x80), got status = %d", status); } if (stop_ptraced_child(pid, stack, 0, 0) < 0) goto fail_stopped; sysemu_supported = 2; - printf("OK\n"); + non_fatal("OK\n"); if ( !force_sysemu_disabled ) set_using_sysemu(sysemu_supported); @@ -254,7 +283,7 @@ static void __init check_sysemu(void) fail: stop_ptraced_child(pid, stack, 1, 0); fail_stopped: - printf("missing\n"); + non_fatal("missing\n"); } static void __init check_ptrace(void) @@ -262,22 +291,25 @@ static void __init check_ptrace(void) void *stack; int pid, syscall, n, status; - printf("Checking that ptrace can change system call numbers..."); + non_fatal("Checking that ptrace can change system call numbers..."); pid = start_ptraced_child(&stack); - if(ptrace(PTRACE_OLDSETOPTIONS, pid, 0, (void *)PTRACE_O_TRACESYSGOOD) < 0) - panic("check_ptrace: PTRACE_OLDSETOPTIONS failed, errno = %d", errno); + if((ptrace(PTRACE_OLDSETOPTIONS, pid, 0, + (void *) PTRACE_O_TRACESYSGOOD) < 0)) + fatal_perror("check_ptrace: PTRACE_OLDSETOPTIONS failed"); while(1){ if(ptrace(PTRACE_SYSCALL, pid, 0, 0) < 0) - panic("check_ptrace : ptrace failed, errno = %d", - errno); + fatal_perror("check_ptrace : ptrace failed"); + CATCH_EINTR(n = waitpid(pid, &status, WUNTRACED)); if(n < 0) - panic("check_ptrace : wait failed, errno = %d", errno); - if(!WIFSTOPPED(status) || (WSTOPSIG(status) != (SIGTRAP|0x80))) - panic("check_ptrace : expected (SIGTRAP|0x80), " - "got status = %d", status); + fatal_perror("check_ptrace : wait failed"); + + if(!WIFSTOPPED(status) || + (WSTOPSIG(status) != (SIGTRAP | 0x80))) + fatal("check_ptrace : expected (SIGTRAP|0x80), " + "got status = %d", status); syscall = ptrace(PTRACE_PEEKUSR, pid, PT_SYSCALL_NR_OFFSET, 0); @@ -285,13 +317,13 @@ static void __init check_ptrace(void) n = ptrace(PTRACE_POKEUSR, pid, PT_SYSCALL_NR_OFFSET, __NR_getppid); if(n < 0) - panic("check_ptrace : failed to modify system " - "call, errno = %d", errno); + fatal_perror("check_ptrace : failed to modify " + "system call"); break; } } stop_ptraced_child(pid, stack, 0, 1); - printf("OK\n"); + non_fatal("OK\n"); check_sysemu(); } @@ -350,22 +382,22 @@ static inline void check_skas3_ptrace_faultinfo(void) void *stack; int pid, n; - printf(" - PTRACE_FAULTINFO..."); + non_fatal(" - PTRACE_FAULTINFO..."); pid = start_ptraced_child(&stack); n = ptrace(PTRACE_FAULTINFO, pid, 0, &fi); if (n < 0) { ptrace_faultinfo = 0; if(errno == EIO) - printf("not found\n"); + non_fatal("not found\n"); else perror("not found"); } else { if (!ptrace_faultinfo) - printf("found but disabled on command line\n"); + non_fatal("found but disabled on command line\n"); else - printf("found\n"); + non_fatal("found\n"); } init_registers(pid); @@ -383,13 +415,13 @@ static inline void check_skas3_ptrace_ldt(void) .ptr = ldtbuf, .bytecount = sizeof(ldtbuf)}; - printf(" - PTRACE_LDT..."); + non_fatal(" - PTRACE_LDT..."); pid = start_ptraced_child(&stack); n = ptrace(PTRACE_LDT, pid, 0, (unsigned long) &ldt_op); if (n < 0) { if(errno == EIO) - printf("not found\n"); + non_fatal("not found\n"); else { perror("not found"); } @@ -397,9 +429,9 @@ static inline void check_skas3_ptrace_ldt(void) } else { if(ptrace_ldt) - printf("found\n"); + non_fatal("found\n"); else - printf("found, but use is disabled\n"); + non_fatal("found, but use is disabled\n"); } stop_ptraced_child(pid, stack, 1, 1); @@ -414,22 +446,22 @@ static inline void check_skas3_ptrace_ldt(void) static inline void check_skas3_proc_mm(void) { - printf(" - /proc/mm..."); - if (os_access("/proc/mm", OS_ACC_W_OK) < 0) { - proc_mm = 0; - printf("not found\n"); + non_fatal(" - /proc/mm..."); + if (access("/proc/mm", W_OK) < 0) { + proc_mm = 0; + perror("not found"); } else { if (!proc_mm) - printf("found but disabled on command line\n"); + non_fatal("found but disabled on command line\n"); else - printf("found\n"); + non_fatal("found\n"); } } int can_do_skas(void) { - printf("Checking for the skas3 patch in the host:\n"); + non_fatal("Checking for the skas3 patch in the host:\n"); check_skas3_proc_mm(); check_skas3_ptrace_faultinfo(); @@ -443,16 +475,16 @@ int can_do_skas(void) #else int can_do_skas(void) { - return(0); + return 0; } #endif int __init parse_iomem(char *str, int *add) { struct iomem_region *new; - struct uml_stat buf; + struct stat64 buf; char *file, *driver; - int fd, err, size; + int fd, size; driver = str; file = strchr(str,','); @@ -462,15 +494,14 @@ int __init parse_iomem(char *str, int *add) } *file = '\0'; file++; - fd = os_open_file(file, of_rdwr(OPENFLAGS()), 0); + fd = open(file, O_RDWR, 0); if(fd < 0){ os_print_error(fd, "parse_iomem - Couldn't open io file"); goto out; } - err = os_stat_fd(fd, &buf); - if(err < 0){ - os_print_error(err, "parse_iomem - cannot stat_fd file"); + if(fstat64(fd, &buf) < 0){ + perror("parse_iomem - cannot stat_fd file"); goto out_close; } @@ -480,7 +511,7 @@ int __init parse_iomem(char *str, int *add) goto out_close; } - size = (buf.ust_size + UM_KERN_PAGE_SIZE) & ~(UM_KERN_PAGE_SIZE - 1); + size = (buf.st_size + UM_KERN_PAGE_SIZE) & ~(UM_KERN_PAGE_SIZE - 1); *new = ((struct iomem_region) { .next = iomem_regions, .driver = driver, @@ -491,11 +522,11 @@ int __init parse_iomem(char *str, int *add) iomem_regions = new; iomem_size += new->size + UM_KERN_PAGE_SIZE; - return(0); + return 0; out_close: - os_close_file(fd); + close(fd); out: - return(1); + return 1; } @@ -526,6 +557,24 @@ static void openpty_cb(void *arg) info->err = -errno; } +static int async_pty(int master, int slave) +{ + int flags; + + flags = fcntl(master, F_GETFL); + if(flags < 0) + return -errno; + + if((fcntl(master, F_SETFL, flags | O_NONBLOCK | O_ASYNC) < 0) || + (fcntl(master, F_SETOWN, os_getpid()) < 0)) + return -errno; + + if((fcntl(slave, F_SETFL, flags | O_NONBLOCK) < 0)) + return -errno; + + return(0); +} + static void __init check_one_sigio(void (*proc)(int, int)) { struct sigaction old, new; @@ -551,7 +600,7 @@ static void __init check_one_sigio(void (*proc)(int, int)) if (err < 0) panic("check_sigio : __raw failed, errno = %d\n", -err); - err = os_sigio_async(master, slave); + err = async_pty(master, slave); if(err < 0) panic("tty_fds : sigio_async failed, err = %d\n", -err); diff --git a/arch/um/os-Linux/sys-i386/registers.c b/arch/um/os-Linux/sys-i386/registers.c index 7cd0369e02b..79cd93c8c5e 100644 --- a/arch/um/os-Linux/sys-i386/registers.c +++ b/arch/um/os-Linux/sys-i386/registers.c @@ -34,27 +34,27 @@ void init_thread_registers(union uml_pt_regs *to) int save_fp_registers(int pid, unsigned long *fp_regs) { if(ptrace(PTRACE_GETFPREGS, pid, 0, fp_regs) < 0) - return(-errno); - return(0); + return -errno; + return 0; } int restore_fp_registers(int pid, unsigned long *fp_regs) { if(ptrace(PTRACE_SETFPREGS, pid, 0, fp_regs) < 0) - return(-errno); - return(0); + return -errno; + return 0; } static int move_registers(int pid, int int_op, union uml_pt_regs *regs, int fp_op, unsigned long *fp_regs) { if(ptrace(int_op, pid, 0, regs->skas.regs) < 0) - return(-errno); + return -errno; if(ptrace(fp_op, pid, 0, fp_regs) < 0) - return(-errno); + return -errno; - return(0); + return 0; } void save_registers(int pid, union uml_pt_regs *regs) diff --git a/arch/um/os-Linux/sys-x86_64/Makefile b/arch/um/os-Linux/sys-x86_64/Makefile index f67842a7735..7955e061a67 100644 --- a/arch/um/os-Linux/sys-x86_64/Makefile +++ b/arch/um/os-Linux/sys-x86_64/Makefile @@ -3,7 +3,7 @@ # Licensed under the GPL # -obj-$(CONFIG_MODE_SKAS) = registers.o signal.o +obj-$(CONFIG_MODE_SKAS) = registers.o prctl.o signal.o USER_OBJS := $(obj-y) diff --git a/arch/um/os-Linux/sys-x86_64/prctl.c b/arch/um/os-Linux/sys-x86_64/prctl.c new file mode 100644 index 00000000000..9d34eddb517 --- /dev/null +++ b/arch/um/os-Linux/sys-x86_64/prctl.c @@ -0,0 +1,12 @@ +/* + * Copyright (C) 2007 Jeff Dike (jdike@{addtoit.com,linux.intel.com}) + * Licensed under the GPL + */ + +#include <sys/ptrace.h> +#include <linux/ptrace.h> + +int os_arch_prctl(int pid, int code, unsigned long *addr) +{ + return ptrace(PTRACE_ARCH_PRCTL, pid, (unsigned long) addr, code); +} diff --git a/arch/um/os-Linux/sys-x86_64/registers.c b/arch/um/os-Linux/sys-x86_64/registers.c index cb8e8a26328..a2d7e0c603f 100644 --- a/arch/um/os-Linux/sys-x86_64/registers.c +++ b/arch/um/os-Linux/sys-x86_64/registers.c @@ -27,12 +27,12 @@ static int move_registers(int pid, int int_op, int fp_op, union uml_pt_regs *regs) { if(ptrace(int_op, pid, 0, regs->skas.regs) < 0) - return(-errno); + return -errno; if(ptrace(fp_op, pid, 0, regs->skas.fp) < 0) - return(-errno); + return -errno; - return(0); + return 0; } void save_registers(int pid, union uml_pt_regs *regs) diff --git a/arch/um/os-Linux/umid.c b/arch/um/os-Linux/umid.c index 48092b95c8a..b462863f717 100644 --- a/arch/um/os-Linux/umid.c +++ b/arch/um/os-Linux/umid.c @@ -18,7 +18,7 @@ #define UMID_LEN 64 /* Changed by set_umid, which is run early in boot */ -char umid[UMID_LEN] = { 0 }; +static char umid[UMID_LEN] = { 0 }; /* Changed by set_uml_dir and make_uml_dir, which are run early in boot */ static char *uml_dir = UML_DIR; @@ -235,6 +235,7 @@ int __init set_umid(char *name) return 0; } +/* Changed in make_umid, which is called during early boot */ static int umid_setup = 0; int __init make_umid(void) diff --git a/arch/um/sys-x86_64/ptrace.c b/arch/um/sys-x86_64/ptrace.c index 147bbf05cbc..55b66e09a98 100644 --- a/arch/um/sys-x86_64/ptrace.c +++ b/arch/um/sys-x86_64/ptrace.c @@ -71,8 +71,6 @@ int poke_user(struct task_struct *child, long addr, long data) if (addr < MAX_REG_OFFSET) return putreg(child, addr, data); - -#if 0 /* Need x86_64 debugregs handling */ else if((addr >= offsetof(struct user, u_debugreg[0])) && (addr <= offsetof(struct user, u_debugreg[7]))){ addr -= offsetof(struct user, u_debugreg[0]); @@ -81,7 +79,6 @@ int poke_user(struct task_struct *child, long addr, long data) child->thread.arch.debugregs[addr] = data; return 0; } -#endif return -EIO; } @@ -119,14 +116,12 @@ int peek_user(struct task_struct *child, long addr, long data) if(addr < MAX_REG_OFFSET){ tmp = getreg(child, addr); } -#if 0 /* Need x86_64 debugregs handling */ else if((addr >= offsetof(struct user, u_debugreg[0])) && (addr <= offsetof(struct user, u_debugreg[7]))){ addr -= offsetof(struct user, u_debugreg[0]); addr = addr >> 2; tmp = child->thread.arch.debugregs[addr]; } -#endif return put_user(tmp, (unsigned long *) data); } diff --git a/arch/um/sys-x86_64/syscalls.c b/arch/um/sys-x86_64/syscalls.c index 73ce4463f70..01b91f9fa78 100644 --- a/arch/um/sys-x86_64/syscalls.c +++ b/arch/um/sys-x86_64/syscalls.c @@ -16,6 +16,7 @@ #include "asm/prctl.h" /* XXX This should get the constants from libc */ #include "choose-mode.h" #include "kern.h" +#include "os.h" asmlinkage long sys_uname64(struct new_utsname __user * name) { @@ -58,40 +59,69 @@ static long arch_prctl_tt(int code, unsigned long addr) #ifdef CONFIG_MODE_SKAS -/* XXX: Must also call arch_prctl in the host, beside saving the segment bases! */ -static long arch_prctl_skas(int code, unsigned long addr) +long arch_prctl_skas(struct task_struct *task, int code, + unsigned long __user *addr) { - long ret = 0; + unsigned long *ptr = addr, tmp; + long ret; + int pid = task->mm->context.skas.id.u.pid; + /* + * With ARCH_SET_FS (and ARCH_SET_GS is treated similarly to + * be safe), we need to call arch_prctl on the host because + * setting %fs may result in something else happening (like a + * GDT or thread.fs being set instead). So, we let the host + * fiddle the registers and thread struct and restore the + * registers afterwards. + * + * So, the saved registers are stored to the process (this + * needed because a stub may have been the last thing to run), + * arch_prctl is run on the host, then the registers are read + * back. + */ switch(code){ case ARCH_SET_FS: - current->thread.regs.regs.skas.regs[FS_BASE / sizeof(unsigned long)] = addr; - break; case ARCH_SET_GS: - current->thread.regs.regs.skas.regs[GS_BASE / sizeof(unsigned long)] = addr; + restore_registers(pid, ¤t->thread.regs.regs); + break; + case ARCH_GET_FS: + case ARCH_GET_GS: + /* + * With these two, we read to a local pointer and + * put_user it to the userspace pointer that we were + * given. If addr isn't valid (because it hasn't been + * faulted in or is just bogus), we want put_user to + * fault it in (or return -EFAULT) instead of having + * the host return -EFAULT. + */ + ptr = &tmp; + } + + ret = os_arch_prctl(pid, code, ptr); + if(ret) + return ret; + + switch(code){ + case ARCH_SET_FS: + case ARCH_SET_GS: + save_registers(pid, ¤t->thread.regs.regs); break; case ARCH_GET_FS: - ret = put_user(current->thread.regs.regs.skas. - regs[FS_BASE / sizeof(unsigned long)], - (unsigned long __user *)addr); + ret = put_user(tmp, addr); break; case ARCH_GET_GS: - ret = put_user(current->thread.regs.regs.skas. - regs[GS_BASE / sizeof(unsigned long)], - (unsigned long __user *)addr); + ret = put_user(tmp, addr); break; - default: - ret = -EINVAL; - break; } - return(ret); + return ret; } #endif long sys_arch_prctl(int code, unsigned long addr) { - return(CHOOSE_MODE_PROC(arch_prctl_tt, arch_prctl_skas, code, addr)); + return CHOOSE_MODE_PROC(arch_prctl_tt, arch_prctl_skas, current, code, + (unsigned long __user *) addr); } long sys_clone(unsigned long clone_flags, unsigned long newsp, @@ -105,5 +135,14 @@ long sys_clone(unsigned long clone_flags, unsigned long newsp, ret = do_fork(clone_flags, newsp, ¤t->thread.regs, 0, parent_tid, child_tid); current->thread.forking = 0; - return(ret); + return ret; +} + +void arch_switch_to_skas(struct task_struct *from, struct task_struct *to) +{ + if(to->thread.arch.fs == 0) + return; + + arch_prctl_skas(to, ARCH_SET_FS, (void __user *) to->thread.arch.fs); } + diff --git a/arch/um/sys-x86_64/tls.c b/arch/um/sys-x86_64/tls.c index ce1bf1b81c4..febbc94be25 100644 --- a/arch/um/sys-x86_64/tls.c +++ b/arch/um/sys-x86_64/tls.c @@ -1,14 +1,17 @@ #include "linux/sched.h" -void debug_arch_force_load_TLS(void) -{ -} - void clear_flushed_tls(struct task_struct *task) { } int arch_copy_tls(struct task_struct *t) { + /* + * If CLONE_SETTLS is set, we need to save the thread id + * (which is argument 5, child_tid, of clone) so it can be set + * during context switches. + */ + t->thread.arch.fs = t->thread.regs.regs.skas.regs[R8 / sizeof(long)]; + return 0; } diff --git a/arch/v850/Kconfig b/arch/v850/Kconfig index f0d4d72e560..dbfab8fc9b4 100644 --- a/arch/v850/Kconfig +++ b/arch/v850/Kconfig @@ -10,6 +10,9 @@ mainmenu "uClinux/v850 (w/o MMU) Kernel Configuration" config MMU bool default n +config ZONE_DMA + bool + default y config RWSEM_GENERIC_SPINLOCK bool default y diff --git a/arch/v850/kernel/anna.c b/arch/v850/kernel/anna.c index 40892d3e3c2..0e429041a11 100644 --- a/arch/v850/kernel/anna.c +++ b/arch/v850/kernel/anna.c @@ -114,7 +114,7 @@ static struct v850e_intc_irq_init irq_inits[] = { { "ST", IRQ_INTST(0), IRQ_INTST_NUM, 3, 5 }, { 0 } }; -#define NUM_IRQ_INITS ((sizeof irq_inits / sizeof irq_inits[0]) - 1) +#define NUM_IRQ_INITS (ARRAY_SIZE(irq_inits) - 1) static struct hw_interrupt_type hw_itypes[NUM_IRQ_INITS]; diff --git a/arch/v850/kernel/as85ep1.c b/arch/v850/kernel/as85ep1.c index 5352f8a5aa0..18437bc5c3a 100644 --- a/arch/v850/kernel/as85ep1.c +++ b/arch/v850/kernel/as85ep1.c @@ -142,7 +142,7 @@ static struct v850e_intc_irq_init irq_inits[] = { { "ST", IRQ_INTST(0), IRQ_INTST_NUM, 3, 5 }, { 0 } }; -#define NUM_IRQ_INITS ((sizeof irq_inits / sizeof irq_inits[0]) - 1) +#define NUM_IRQ_INITS (ARRAY_SIZE(irq_inits) - 1) static struct hw_interrupt_type hw_itypes[NUM_IRQ_INITS]; diff --git a/arch/v850/kernel/fpga85e2c.c b/arch/v850/kernel/fpga85e2c.c index cb04a6954cc..5c4923558a7 100644 --- a/arch/v850/kernel/fpga85e2c.c +++ b/arch/v850/kernel/fpga85e2c.c @@ -138,7 +138,7 @@ struct v850e_intc_irq_init irq_inits[] = { { "RPU", IRQ_RPU(0), IRQ_RPU_NUM, 1, 6 }, { 0 } }; -#define NUM_IRQ_INITS ((sizeof irq_inits / sizeof irq_inits[0]) - 1) +#define NUM_IRQ_INITS (ARRAY_SIZE(irq_inits) - 1) struct hw_interrupt_type hw_itypes[NUM_IRQ_INITS]; diff --git a/arch/v850/kernel/gbus_int.c b/arch/v850/kernel/gbus_int.c index 25d636e79e6..b2bcc251f65 100644 --- a/arch/v850/kernel/gbus_int.c +++ b/arch/v850/kernel/gbus_int.c @@ -16,6 +16,7 @@ #include <linux/irq.h> #include <linux/interrupt.h> #include <linux/signal.h> +#include <linux/kernel.h> #include <asm/machdep.h> @@ -36,7 +37,7 @@ struct used_gint { { 1, GBUS_INT_PRIORITY_HIGH }, { 3, GBUS_INT_PRIORITY_LOW } }; -#define NUM_USED_GINTS (sizeof used_gint / sizeof used_gint[0]) +#define NUM_USED_GINTS ARRAY_SIZE(used_gint) /* A table of which GINT is used by each GBUS interrupts (they are assigned based on priority). */ @@ -231,8 +232,7 @@ struct gbus_int_irq_init gbus_irq_inits[] __initdata = { { "GBUS_INT", IRQ_GBUS_INT(0), IRQ_GBUS_INT_NUM, 1, 6}, { 0 } }; -#define NUM_GBUS_IRQ_INITS \ - ((sizeof gbus_irq_inits / sizeof gbus_irq_inits[0]) - 1) +#define NUM_GBUS_IRQ_INITS (ARRAY_SIZE(gbus_irq_inits) - 1) static struct hw_interrupt_type gbus_hw_itypes[NUM_GBUS_IRQ_INITS]; diff --git a/arch/v850/kernel/ma.c b/arch/v850/kernel/ma.c index 2aa8ab0f7ed..143774de75e 100644 --- a/arch/v850/kernel/ma.c +++ b/arch/v850/kernel/ma.c @@ -43,7 +43,7 @@ static struct v850e_intc_irq_init irq_inits[] = { { "ST", IRQ_INTST(0), IRQ_INTST_NUM, 4, 5 }, { 0 } }; -#define NUM_IRQ_INITS ((sizeof irq_inits / sizeof irq_inits[0]) - 1) +#define NUM_IRQ_INITS (ARRAY_SIZE(irq_inits) - 1) static struct hw_interrupt_type hw_itypes[NUM_IRQ_INITS]; diff --git a/arch/v850/kernel/me2.c b/arch/v850/kernel/me2.c index 14b0c8858aa..38be5c194f6 100644 --- a/arch/v850/kernel/me2.c +++ b/arch/v850/kernel/me2.c @@ -44,7 +44,7 @@ static struct v850e_intc_irq_init irq_inits[] = { { "UBTITO", IRQ_INTUBTITO(0), IRQ_INTUBTITO_NUM, 5, 4 }, { 0 } }; -#define NUM_IRQ_INITS ((sizeof irq_inits / sizeof irq_inits[0]) - 1) +#define NUM_IRQ_INITS (ARRAY_SIZE(irq_inits) - 1) static struct hw_interrupt_type hw_itypes[NUM_IRQ_INITS]; diff --git a/arch/v850/kernel/rte_cb.c b/arch/v850/kernel/rte_cb.c index 0f7f6cd705a..43018e1edeb 100644 --- a/arch/v850/kernel/rte_cb.c +++ b/arch/v850/kernel/rte_cb.c @@ -15,6 +15,7 @@ #include <linux/irq.h> #include <linux/fs.h> #include <linux/module.h> +#include <linux/kernel.h> #include <asm/machdep.h> #include <asm/v850e_uart.h> @@ -176,8 +177,7 @@ static struct gbus_int_irq_init gbus_irq_inits[] = { #endif { 0 } }; -#define NUM_GBUS_IRQ_INITS \ - ((sizeof gbus_irq_inits / sizeof gbus_irq_inits[0]) - 1) +#define NUM_GBUS_IRQ_INITS (ARRAY_SIZE(gbus_irq_inits) - 1) static struct hw_interrupt_type gbus_hw_itypes[NUM_GBUS_IRQ_INITS]; diff --git a/arch/v850/kernel/rte_cb_leds.c b/arch/v850/kernel/rte_cb_leds.c index 996bd4f33ec..aa47ab1dcd8 100644 --- a/arch/v850/kernel/rte_cb_leds.c +++ b/arch/v850/kernel/rte_cb_leds.c @@ -117,7 +117,7 @@ static loff_t leds_dev_lseek (struct file *file, loff_t offs, int whence) return 0; } -static struct file_operations leds_fops = { +static const struct file_operations leds_fops = { .read = leds_dev_read, .write = leds_dev_write, .llseek = leds_dev_lseek diff --git a/arch/v850/kernel/rte_mb_a_pci.c b/arch/v850/kernel/rte_mb_a_pci.c index 35213fa9f7d..35a4bd5515c 100644 --- a/arch/v850/kernel/rte_mb_a_pci.c +++ b/arch/v850/kernel/rte_mb_a_pci.c @@ -70,8 +70,7 @@ static struct mb_pci_dev_irq mb_pci_dev_irqs[] = { /* PCI slot 2 */ { 9, IRQ_MB_A_PCI2(0), 1 } }; -#define NUM_MB_PCI_DEV_IRQS \ - (sizeof mb_pci_dev_irqs / sizeof mb_pci_dev_irqs[0]) +#define NUM_MB_PCI_DEV_IRQS ARRAY_SIZE(mb_pci_dev_irqs) /* PCI configuration primitives. */ diff --git a/arch/v850/kernel/rte_me2_cb.c b/arch/v850/kernel/rte_me2_cb.c index 3be355a029e..46803d48dff 100644 --- a/arch/v850/kernel/rte_me2_cb.c +++ b/arch/v850/kernel/rte_me2_cb.c @@ -170,8 +170,7 @@ static struct cb_pic_irq_init cb_pic_irq_inits[] = { { "CB_EXTTM2", IRQ_CB_EXTTM2, 1, 1, 6 }, { 0 } }; -#define NUM_CB_PIC_IRQ_INITS \ - ((sizeof cb_pic_irq_inits / sizeof cb_pic_irq_inits[0]) - 1) +#define NUM_CB_PIC_IRQ_INITS (ARRAY_SIZE(cb_pic_irq_inits) - 1) static struct hw_interrupt_type cb_pic_hw_itypes[NUM_CB_PIC_IRQ_INITS]; static unsigned char cb_pic_active_irqs = 0; diff --git a/arch/v850/kernel/setup.c b/arch/v850/kernel/setup.c index 1bf672a2569..a914f244f49 100644 --- a/arch/v850/kernel/setup.c +++ b/arch/v850/kernel/setup.c @@ -42,7 +42,7 @@ extern char _root_fs_image_start __attribute__ ((__weak__)); extern char _root_fs_image_end __attribute__ ((__weak__)); -char command_line[COMMAND_LINE_SIZE]; +char __initdata command_line[COMMAND_LINE_SIZE]; /* Memory not used by the kernel. */ static unsigned long total_ram_pages; @@ -64,8 +64,8 @@ void __init setup_arch (char **cmdline) { /* Keep a copy of command line */ *cmdline = command_line; - memcpy (saved_command_line, command_line, COMMAND_LINE_SIZE); - saved_command_line[COMMAND_LINE_SIZE - 1] = '\0'; + memcpy (boot_command_line, command_line, COMMAND_LINE_SIZE); + boot_command_line[COMMAND_LINE_SIZE - 1] = '\0'; console_verbose (); diff --git a/arch/v850/kernel/teg.c b/arch/v850/kernel/teg.c index 290d5066501..699248f92aa 100644 --- a/arch/v850/kernel/teg.c +++ b/arch/v850/kernel/teg.c @@ -43,7 +43,7 @@ static struct v850e_intc_irq_init irq_inits[] = { { "ST", IRQ_INTST(0), IRQ_INTST_NUM, 1, 5 }, { 0 } }; -#define NUM_IRQ_INITS ((sizeof irq_inits / sizeof irq_inits[0]) - 1) +#define NUM_IRQ_INITS (ARRAY_SIZE(irq_inits) - 1) static struct hw_interrupt_type hw_itypes[NUM_IRQ_INITS]; diff --git a/arch/v850/kernel/time.c b/arch/v850/kernel/time.c index cd06f47c0ea..486e3a441c8 100644 --- a/arch/v850/kernel/time.c +++ b/arch/v850/kernel/time.c @@ -28,14 +28,6 @@ #define TICK_SIZE (tick_nsec / 1000) /* - * Scheduler clock - returns current time in nanosec units. - */ -unsigned long long sched_clock(void) -{ - return (unsigned long long)jiffies * (1000000000 / HZ); -} - -/* * timer_interrupt() needs to keep up the real-time clock, * as well as call the "do_timer()" routine every clocktick */ diff --git a/arch/v850/kernel/vmlinux.lds.S b/arch/v850/kernel/vmlinux.lds.S index 3a5fd07fe06..35630822125 100644 --- a/arch/v850/kernel/vmlinux.lds.S +++ b/arch/v850/kernel/vmlinux.lds.S @@ -190,12 +190,16 @@ __root_fs_image_start = . ; \ *(.root) \ __root_fs_image_end = . ; + +#ifdef CONFIG_BLK_DEV_INITRD /* The initramfs archive. */ #define INITRAMFS_CONTENTS \ . = ALIGN (4) ; \ ___initramfs_start = . ; \ *(.init.ramfs) \ ___initramfs_end = . ; +#endif + /* Where the initial bootmap (bitmap for the boot-time memory allocator) should be place. */ #define BOOTMAP_CONTENTS \ diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig index d4275537b25..02dd39457bc 100644 --- a/arch/x86_64/Kconfig +++ b/arch/x86_64/Kconfig @@ -44,6 +44,10 @@ config MMU bool default y +config ZONE_DMA + bool + default y + config ISA bool diff --git a/arch/x86_64/ia32/ia32_binfmt.c b/arch/x86_64/ia32/ia32_binfmt.c index 5ce0bd486bb..6efe04f3cbc 100644 --- a/arch/x86_64/ia32/ia32_binfmt.c +++ b/arch/x86_64/ia32/ia32_binfmt.c @@ -300,12 +300,10 @@ int ia32_setup_arg_pages(struct linux_binprm *bprm, unsigned long stack_top, bprm->loader += stack_base; bprm->exec += stack_base; - mpnt = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL); + mpnt = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); if (!mpnt) return -ENOMEM; - memset(mpnt, 0, sizeof(*mpnt)); - down_write(&mm->mmap_sem); { mpnt->vm_mm = mm; diff --git a/arch/x86_64/ia32/ia32entry.S b/arch/x86_64/ia32/ia32entry.S index b4aa875e175..5f32cf4de5f 100644 --- a/arch/x86_64/ia32/ia32entry.S +++ b/arch/x86_64/ia32/ia32entry.S @@ -515,7 +515,7 @@ ia32_sys_call_table: .quad sys32_vm86_warning /* vm86old */ .quad compat_sys_wait4 .quad sys_swapoff /* 115 */ - .quad sys32_sysinfo + .quad compat_sys_sysinfo .quad sys32_ipc .quad sys_fsync .quad stub32_sigreturn diff --git a/arch/x86_64/ia32/sys_ia32.c b/arch/x86_64/ia32/sys_ia32.c index c9bac3af29d..200fdde18d9 100644 --- a/arch/x86_64/ia32/sys_ia32.c +++ b/arch/x86_64/ia32/sys_ia32.c @@ -523,72 +523,6 @@ sys32_sysfs(int option, u32 arg1, u32 arg2) return sys_sysfs(option, arg1, arg2); } -struct sysinfo32 { - s32 uptime; - u32 loads[3]; - u32 totalram; - u32 freeram; - u32 sharedram; - u32 bufferram; - u32 totalswap; - u32 freeswap; - unsigned short procs; - unsigned short pad; - u32 totalhigh; - u32 freehigh; - u32 mem_unit; - char _f[20-2*sizeof(u32)-sizeof(int)]; -}; - -asmlinkage long -sys32_sysinfo(struct sysinfo32 __user *info) -{ - struct sysinfo s; - int ret; - mm_segment_t old_fs = get_fs (); - int bitcount = 0; - - set_fs (KERNEL_DS); - ret = sys_sysinfo((struct sysinfo __user *)&s); - set_fs (old_fs); - - /* Check to see if any memory value is too large for 32-bit and scale - * down if needed - */ - if ((s.totalram >> 32) || (s.totalswap >> 32)) { - while (s.mem_unit < PAGE_SIZE) { - s.mem_unit <<= 1; - bitcount++; - } - s.totalram >>= bitcount; - s.freeram >>= bitcount; - s.sharedram >>= bitcount; - s.bufferram >>= bitcount; - s.totalswap >>= bitcount; - s.freeswap >>= bitcount; - s.totalhigh >>= bitcount; - s.freehigh >>= bitcount; - } - - if (!access_ok(VERIFY_WRITE, info, sizeof(struct sysinfo32)) || - __put_user (s.uptime, &info->uptime) || - __put_user (s.loads[0], &info->loads[0]) || - __put_user (s.loads[1], &info->loads[1]) || - __put_user (s.loads[2], &info->loads[2]) || - __put_user (s.totalram, &info->totalram) || - __put_user (s.freeram, &info->freeram) || - __put_user (s.sharedram, &info->sharedram) || - __put_user (s.bufferram, &info->bufferram) || - __put_user (s.totalswap, &info->totalswap) || - __put_user (s.freeswap, &info->freeswap) || - __put_user (s.procs, &info->procs) || - __put_user (s.totalhigh, &info->totalhigh) || - __put_user (s.freehigh, &info->freehigh) || - __put_user (s.mem_unit, &info->mem_unit)) - return -EFAULT; - return 0; -} - asmlinkage long sys32_sched_rr_get_interval(compat_pid_t pid, struct compat_timespec __user *interval) { diff --git a/arch/x86_64/ia32/syscall32.c b/arch/x86_64/ia32/syscall32.c index 59f1fa15591..568ff0df89e 100644 --- a/arch/x86_64/ia32/syscall32.c +++ b/arch/x86_64/ia32/syscall32.c @@ -18,68 +18,34 @@ extern unsigned char syscall32_syscall[], syscall32_syscall_end[]; extern unsigned char syscall32_sysenter[], syscall32_sysenter_end[]; extern int sysctl_vsyscall32; -char *syscall32_page; +static struct page *syscall32_pages[1]; static int use_sysenter = -1; -static struct page * -syscall32_nopage(struct vm_area_struct *vma, unsigned long adr, int *type) -{ - struct page *p = virt_to_page(adr - vma->vm_start + syscall32_page); - get_page(p); - return p; -} - -/* Prevent VMA merging */ -static void syscall32_vma_close(struct vm_area_struct *vma) -{ -} - -static struct vm_operations_struct syscall32_vm_ops = { - .close = syscall32_vma_close, - .nopage = syscall32_nopage, -}; - struct linux_binprm; /* Setup a VMA at program startup for the vsyscall page */ int syscall32_setup_pages(struct linux_binprm *bprm, int exstack) { - int npages = (VSYSCALL32_END - VSYSCALL32_BASE) >> PAGE_SHIFT; - struct vm_area_struct *vma; struct mm_struct *mm = current->mm; int ret; - vma = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL); - if (!vma) - return -ENOMEM; - - memset(vma, 0, sizeof(struct vm_area_struct)); - /* Could randomize here */ - vma->vm_start = VSYSCALL32_BASE; - vma->vm_end = VSYSCALL32_END; - /* MAYWRITE to allow gdb to COW and set breakpoints */ - vma->vm_flags = VM_READ|VM_EXEC|VM_MAYREAD|VM_MAYEXEC|VM_MAYWRITE; + down_write(&mm->mmap_sem); /* + * MAYWRITE to allow gdb to COW and set breakpoints + * * Make sure the vDSO gets into every core dump. * Dumping its contents makes post-mortem fully interpretable later * without matching up the same kernel and hardware config to see * what PC values meant. */ - vma->vm_flags |= VM_ALWAYSDUMP; - vma->vm_flags |= mm->def_flags; - vma->vm_page_prot = protection_map[vma->vm_flags & 7]; - vma->vm_ops = &syscall32_vm_ops; - vma->vm_mm = mm; - - down_write(&mm->mmap_sem); - if ((ret = insert_vm_struct(mm, vma))) { - up_write(&mm->mmap_sem); - kmem_cache_free(vm_area_cachep, vma); - return ret; - } - mm->total_vm += npages; + /* Could randomize here */ + ret = install_special_mapping(mm, VSYSCALL32_BASE, PAGE_SIZE, + VM_READ|VM_EXEC| + VM_MAYREAD|VM_MAYWRITE|VM_MAYEXEC| + VM_ALWAYSDUMP, + syscall32_pages); up_write(&mm->mmap_sem); - return 0; + return ret; } const char *arch_vma_name(struct vm_area_struct *vma) @@ -92,9 +58,10 @@ const char *arch_vma_name(struct vm_area_struct *vma) static int __init init_syscall32(void) { - syscall32_page = (void *)get_zeroed_page(GFP_KERNEL); + char *syscall32_page = (void *)get_zeroed_page(GFP_KERNEL); if (!syscall32_page) panic("Cannot allocate syscall32 page"); + syscall32_pages[0] = virt_to_page(syscall32_page); if (use_sysenter > 0) { memcpy(syscall32_page, syscall32_sysenter, syscall32_sysenter_end - syscall32_sysenter); diff --git a/arch/x86_64/kernel/early-quirks.c b/arch/x86_64/kernel/early-quirks.c index 49802f1bee9..bd30d138113 100644 --- a/arch/x86_64/kernel/early-quirks.c +++ b/arch/x86_64/kernel/early-quirks.c @@ -32,7 +32,7 @@ static void via_bugs(void) static int nvidia_hpet_detected __initdata; -static int __init nvidia_hpet_check(unsigned long phys, unsigned long size) +static int __init nvidia_hpet_check(struct acpi_table_header *header) { nvidia_hpet_detected = 1; return 0; @@ -53,7 +53,7 @@ static void nvidia_bugs(void) return; nvidia_hpet_detected = 0; - acpi_table_parse(ACPI_HPET, nvidia_hpet_check); + acpi_table_parse(ACPI_SIG_HPET, nvidia_hpet_check); if (nvidia_hpet_detected == 0) { acpi_skip_timer_override = 1; printk(KERN_INFO "Nvidia board " diff --git a/arch/x86_64/kernel/genapic.c b/arch/x86_64/kernel/genapic.c index b007433f96b..0b3603adf56 100644 --- a/arch/x86_64/kernel/genapic.c +++ b/arch/x86_64/kernel/genapic.c @@ -58,8 +58,8 @@ void __init clustered_apic_check(void) * Some x86_64 machines use physical APIC mode regardless of how many * procs/clusters are present (x86_64 ES7000 is an example). */ - if (acpi_fadt.revision > FADT2_REVISION_ID) - if (acpi_fadt.force_apic_physical_destination_mode) { + if (acpi_gbl_FADT.header.revision > FADT2_REVISION_ID) + if (acpi_gbl_FADT.flags & ACPI_FADT_APIC_PHYSICAL) { genapic = &apic_cluster; goto print; } diff --git a/arch/x86_64/kernel/head64.c b/arch/x86_64/kernel/head64.c index cc230b93cd1..5f197b0a330 100644 --- a/arch/x86_64/kernel/head64.c +++ b/arch/x86_64/kernel/head64.c @@ -34,8 +34,6 @@ static void __init clear_bss(void) #define OLD_CL_BASE_ADDR 0x90000 #define OLD_CL_OFFSET 0x90022 -extern char saved_command_line[]; - static void __init copy_bootdata(char *real_mode_data) { int new_data; @@ -50,7 +48,7 @@ static void __init copy_bootdata(char *real_mode_data) new_data = OLD_CL_BASE_ADDR + * (u16 *) OLD_CL_OFFSET; } command_line = (char *) ((u64)(new_data)); - memcpy(saved_command_line, command_line, COMMAND_LINE_SIZE); + memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE); } void __init x86_64_start_kernel(char * real_mode_data) diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c index d7bad90a5ad..6be6730acb5 100644 --- a/arch/x86_64/kernel/io_apic.c +++ b/arch/x86_64/kernel/io_apic.c @@ -1956,24 +1956,31 @@ static struct irq_chip msi_chip = { .retrigger = ioapic_retrigger_irq, }; -int arch_setup_msi_irq(unsigned int irq, struct pci_dev *dev) +int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc) { struct msi_msg msg; - int ret; + int irq, ret; + irq = create_irq(); + if (irq < 0) + return irq; + + set_irq_msi(irq, desc); ret = msi_compose_msg(dev, irq, &msg); - if (ret < 0) + if (ret < 0) { + destroy_irq(irq); return ret; + } write_msi_msg(irq, &msg); set_irq_chip_and_handler_name(irq, &msi_chip, handle_edge_irq, "edge"); - return 0; + return irq; } void arch_teardown_msi_irq(unsigned int irq) { - return; + destroy_irq(irq); } #endif /* CONFIG_PCI_MSI */ diff --git a/arch/x86_64/kernel/mce.c b/arch/x86_64/kernel/mce.c index ac085038af2..bdb54a2c9f1 100644 --- a/arch/x86_64/kernel/mce.c +++ b/arch/x86_64/kernel/mce.c @@ -516,7 +516,7 @@ static int mce_ioctl(struct inode *i, struct file *f,unsigned int cmd, unsigned } } -static struct file_operations mce_chrdev_ops = { +static const struct file_operations mce_chrdev_ops = { .read = mce_read, .ioctl = mce_ioctl, }; diff --git a/arch/x86_64/kernel/mce_amd.c b/arch/x86_64/kernel/mce_amd.c index fa09debad4b..93c70725763 100644 --- a/arch/x86_64/kernel/mce_amd.c +++ b/arch/x86_64/kernel/mce_amd.c @@ -401,7 +401,6 @@ static __cpuinit int allocate_threshold_blocks(unsigned int cpu, b = kzalloc(sizeof(struct threshold_block), GFP_KERNEL); if (!b) return -ENOMEM; - memset(b, 0, sizeof(struct threshold_block)); b->block = block; b->bank = bank; @@ -490,7 +489,6 @@ static __cpuinit int threshold_create_bank(unsigned int cpu, unsigned int bank) err = -ENOMEM; goto out; } - memset(b, 0, sizeof(struct threshold_bank)); kobject_set_name(&b->kobj, "threshold_bank%i", bank); b->kobj.parent = &per_cpu(device_mce, cpu).kobj; diff --git a/arch/x86_64/kernel/mpparse.c b/arch/x86_64/kernel/mpparse.c index 08072568847..50dd8bef850 100644 --- a/arch/x86_64/kernel/mpparse.c +++ b/arch/x86_64/kernel/mpparse.c @@ -798,7 +798,7 @@ int mp_register_gsi(u32 gsi, int triggering, int polarity) return gsi; /* Don't set up the ACPI SCI because it's already set up */ - if (acpi_fadt.sci_int == gsi) + if (acpi_gbl_FADT.sci_interrupt == gsi) return gsi; ioapic = mp_find_ioapic(gsi); diff --git a/arch/x86_64/kernel/pci-swiotlb.c b/arch/x86_64/kernel/pci-swiotlb.c index 697f0aa794b..eb18be5a656 100644 --- a/arch/x86_64/kernel/pci-swiotlb.c +++ b/arch/x86_64/kernel/pci-swiotlb.c @@ -29,7 +29,7 @@ struct dma_mapping_ops swiotlb_dma_ops = { .dma_supported = NULL, }; -void pci_swiotlb_init(void) +void __init pci_swiotlb_init(void) { /* don't initialize swiotlb if iommu=off (no_iommu=1) */ if (!iommu_detected && !no_iommu && end_pfn > MAX_DMA32_PFN) diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c index af425a8049f..60477244d1a 100644 --- a/arch/x86_64/kernel/setup.c +++ b/arch/x86_64/kernel/setup.c @@ -100,7 +100,7 @@ EXPORT_SYMBOL_GPL(edid_info); extern int root_mountflags; -char command_line[COMMAND_LINE_SIZE]; +char __initdata command_line[COMMAND_LINE_SIZE]; struct resource standard_io_resources[] = { { .name = "dma1", .start = 0x00, .end = 0x1f, @@ -343,7 +343,7 @@ static void discover_ebda(void) void __init setup_arch(char **cmdline_p) { - printk(KERN_INFO "Command line: %s\n", saved_command_line); + printk(KERN_INFO "Command line: %s\n", boot_command_line); ROOT_DEV = old_decode_dev(ORIG_ROOT_DEV); screen_info = SCREEN_INFO; @@ -373,7 +373,7 @@ void __init setup_arch(char **cmdline_p) early_identify_cpu(&boot_cpu_data); - strlcpy(command_line, saved_command_line, COMMAND_LINE_SIZE); + strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE); *cmdline_p = command_line; parse_early_param(); diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c index 5cc76d0d331..335cc91c49b 100644 --- a/arch/x86_64/kernel/time.c +++ b/arch/x86_64/kernel/time.c @@ -498,7 +498,7 @@ static unsigned long get_cmos_time(void) { unsigned int year, mon, day, hour, min, sec; unsigned long flags; - unsigned extyear = 0; + unsigned century = 0; spin_lock_irqsave(&rtc_lock, flags); @@ -510,9 +510,9 @@ static unsigned long get_cmos_time(void) mon = CMOS_READ(RTC_MONTH); year = CMOS_READ(RTC_YEAR); #ifdef CONFIG_ACPI - if (acpi_fadt.revision >= FADT2_REVISION_ID && - acpi_fadt.century) - extyear = CMOS_READ(acpi_fadt.century); + if (acpi_gbl_FADT.header.revision >= FADT2_REVISION_ID && + acpi_gbl_FADT.century) + century = CMOS_READ(acpi_gbl_FADT.century); #endif } while (sec != CMOS_READ(RTC_SECONDS)); @@ -530,10 +530,10 @@ static unsigned long get_cmos_time(void) BCD_TO_BIN(mon); BCD_TO_BIN(year); - if (extyear) { - BCD_TO_BIN(extyear); - year += extyear; - printk(KERN_INFO "Extended CMOS year: %d\n", extyear); + if (century) { + BCD_TO_BIN(century); + year += century * 100; + printk(KERN_INFO "Extended CMOS year: %d\n", century * 100); } else { /* * x86-64 systems only exists since 2002. @@ -954,7 +954,7 @@ __cpuinit int unsynchronized_tsc(void) if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL) { #ifdef CONFIG_ACPI /* But TSC doesn't tick in C3 so don't use it there */ - if (acpi_fadt.length > 0 && acpi_fadt.plvl3_lat < 1000) + if (acpi_gbl_FADT.header.length > 0 && acpi_gbl_FADT.C3latency < 1000) return 1; #endif return 0; diff --git a/arch/x86_64/kernel/vmlinux.lds.S b/arch/x86_64/kernel/vmlinux.lds.S index 1e54ddf2338..c360c422524 100644 --- a/arch/x86_64/kernel/vmlinux.lds.S +++ b/arch/x86_64/kernel/vmlinux.lds.S @@ -192,10 +192,14 @@ SECTIONS from .altinstructions and .eh_frame */ .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { *(.exit.text) } .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { *(.exit.data) } + +#ifdef CONFIG_BLK_DEV_INITRD . = ALIGN(4096); __initramfs_start = .; .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) { *(.init.ramfs) } __initramfs_end = .; +#endif + . = ALIGN(CONFIG_X86_L1_CACHE_BYTES); __per_cpu_start = .; .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) { *(.data.percpu) } diff --git a/arch/x86_64/mm/fault.c b/arch/x86_64/mm/fault.c index a65fc6f1dca..49e8cf2e06f 100644 --- a/arch/x86_64/mm/fault.c +++ b/arch/x86_64/mm/fault.c @@ -69,27 +69,6 @@ static inline int notify_page_fault(enum die_val val, const char *str, return atomic_notifier_call_chain(¬ify_page_fault_chain, val, &args); } -void bust_spinlocks(int yes) -{ - int loglevel_save = console_loglevel; - if (yes) { - oops_in_progress = 1; - } else { -#ifdef CONFIG_VT - unblank_screen(); -#endif - oops_in_progress = 0; - /* - * OK, the message is on the console. Now we call printk() - * without oops_in_progress set so that printk will give klogd - * a poke. Hold onto your hats... - */ - console_loglevel = 15; /* NMI oopser may have shut the console up */ - printk(" "); - console_loglevel = loglevel_save; - } -} - /* Sometimes the CPU reports invalid exceptions on prefetch. Check that here and ignore. Opcode checker based on code by Richard Brunner */ diff --git a/arch/x86_64/mm/srat.c b/arch/x86_64/mm/srat.c index 1087e150a21..2efe215fc76 100644 --- a/arch/x86_64/mm/srat.c +++ b/arch/x86_64/mm/srat.c @@ -101,7 +101,7 @@ static __init inline int srat_disabled(void) static __init int slit_valid(struct acpi_table_slit *slit) { int i, j; - int d = slit->localities; + int d = slit->locality_count; for (i = 0; i < d; i++) { for (j = 0; j < d; j++) { u8 val = slit->entry[d*i + j]; @@ -127,18 +127,18 @@ void __init acpi_numa_slit_init(struct acpi_table_slit *slit) /* Callback for Proximity Domain -> LAPIC mapping */ void __init -acpi_numa_processor_affinity_init(struct acpi_table_processor_affinity *pa) +acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { int pxm, node; if (srat_disabled()) return; - if (pa->header.length != sizeof(struct acpi_table_processor_affinity)) { + if (pa->header.length != sizeof(struct acpi_srat_cpu_affinity)) { bad_srat(); return; } - if (pa->flags.enabled == 0) + if ((pa->flags & ACPI_SRAT_CPU_ENABLED) == 0) return; - pxm = pa->proximity_domain; + pxm = pa->proximity_domain_lo; node = setup_node(pxm); if (node < 0) { printk(KERN_ERR "SRAT: Too many proximity domains %x\n", pxm); @@ -254,21 +254,21 @@ static int reserve_hotadd(int node, unsigned long start, unsigned long end) /* Looks good */ if (nd->start == nd->end) { - nd->start = start; - nd->end = end; + nd->start = start; + nd->end = end; changed = 1; - } else { - if (nd->start == end) { - nd->start = start; + } else { + if (nd->start == end) { + nd->start = start; changed = 1; } - if (nd->end == start) { - nd->end = end; + if (nd->end == start) { + nd->end = end; changed = 1; } if (!changed) printk(KERN_ERR "SRAT: Hotplug zone not continuous. Partly ignored\n"); - } + } ret = update_end_of_memory(nd->end); @@ -279,7 +279,7 @@ static int reserve_hotadd(int node, unsigned long start, unsigned long end) /* Callback for parsing of the Proximity Domain <-> Memory Area mappings */ void __init -acpi_numa_memory_affinity_init(struct acpi_table_memory_affinity *ma) +acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma) { struct bootnode *nd, oldnode; unsigned long start, end; @@ -288,16 +288,17 @@ acpi_numa_memory_affinity_init(struct acpi_table_memory_affinity *ma) if (srat_disabled()) return; - if (ma->header.length != sizeof(struct acpi_table_memory_affinity)) { + if (ma->header.length != sizeof(struct acpi_srat_mem_affinity)) { bad_srat(); return; } - if (ma->flags.enabled == 0) + if ((ma->flags & ACPI_SRAT_MEM_ENABLED) == 0) return; - if (ma->flags.hot_pluggable && !save_add_info()) + + if ((ma->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE) && !save_add_info()) return; - start = ma->base_addr_lo | ((u64)ma->base_addr_hi << 32); - end = start + (ma->length_lo | ((u64)ma->length_hi << 32)); + start = ma->base_address; + end = start + ma->length; pxm = ma->proximity_domain; node = setup_node(pxm); if (node < 0) { @@ -337,7 +338,8 @@ acpi_numa_memory_affinity_init(struct acpi_table_memory_affinity *ma) push_node_boundaries(node, nd->start >> PAGE_SHIFT, nd->end >> PAGE_SHIFT); - if (ma->flags.hot_pluggable && (reserve_hotadd(node, start, end) < 0)) { + if ((ma->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE) && + (reserve_hotadd(node, start, end) < 0)) { /* Ignore hotadd region. Undo damage */ printk(KERN_NOTICE "SRAT: Hotplug region ignored\n"); *nd = oldnode; @@ -394,7 +396,7 @@ int __init acpi_scan_nodes(unsigned long start, unsigned long end) /* First clean up the node list */ for (i = 0; i < MAX_NUMNODES; i++) { - cutoff_node(i, start, end); + cutoff_node(i, start, end); if ((nodes[i].end - nodes[i].start) < NODE_MIN_SIZE) { unparse_node(i); node_set_offline(i); @@ -426,7 +428,7 @@ int __init acpi_scan_nodes(unsigned long start, unsigned long end) if (!node_online(i)) setup_node_bootmem(i, nodes[i].start, nodes[i].end); - for (i = 0; i < NR_CPUS; i++) { + for (i = 0; i < NR_CPUS; i++) { if (cpu_to_node[i] == NUMA_NO_NODE) continue; if (!node_isset(cpu_to_node[i], nodes_parsed)) @@ -461,7 +463,7 @@ int __node_distance(int a, int b) if (!acpi_slit) return a == b ? 10 : 20; - index = acpi_slit->localities * node_to_pxm(a); + index = acpi_slit->locality_count * node_to_pxm(a); return acpi_slit->entry[index + node_to_pxm(b)]; } diff --git a/arch/x86_64/pci/mmconfig.c b/arch/x86_64/pci/mmconfig.c index f8b6b2800a6..faabb6e87f1 100644 --- a/arch/x86_64/pci/mmconfig.c +++ b/arch/x86_64/pci/mmconfig.c @@ -1,6 +1,6 @@ /* * mmconfig.c - Low-level direct PCI config space access via MMCONFIG - * + * * This is an 64bit optimized version that always keeps the full mmconfig * space mapped. This allows lockless config space operation. */ @@ -25,7 +25,7 @@ static DECLARE_BITMAP(fallback_slots, 32*MAX_CHECK_BUS); /* Static virtual mapping of the MMCONFIG aperture */ struct mmcfg_virt { - struct acpi_table_mcfg_config *cfg; + struct acpi_mcfg_allocation *cfg; char __iomem *virt; }; static struct mmcfg_virt *pci_mmcfg_virt; @@ -33,14 +33,14 @@ static struct mmcfg_virt *pci_mmcfg_virt; static char __iomem *get_virt(unsigned int seg, unsigned bus) { int cfg_num = -1; - struct acpi_table_mcfg_config *cfg; + struct acpi_mcfg_allocation *cfg; while (1) { ++cfg_num; if (cfg_num >= pci_mmcfg_config_num) break; cfg = pci_mmcfg_virt[cfg_num].cfg; - if (cfg->pci_segment_group_number != seg) + if (cfg->pci_segment != seg) continue; if ((cfg->start_bus_number <= bus) && (cfg->end_bus_number >= bus)) @@ -52,7 +52,7 @@ static char __iomem *get_virt(unsigned int seg, unsigned bus) this applies to all busses. */ cfg = &pci_mmcfg_config[0]; if (pci_mmcfg_config_num == 1 && - cfg->pci_segment_group_number == 0 && + cfg->pci_segment == 0 && (cfg->start_bus_number | cfg->end_bus_number) == 0) return pci_mmcfg_virt[0].virt; @@ -170,19 +170,19 @@ void __init pci_mmcfg_init(int type) if ((pci_probe & PCI_PROBE_MMCONF) == 0) return; - acpi_table_parse(ACPI_MCFG, acpi_parse_mcfg); + acpi_table_parse(ACPI_SIG_MCFG, acpi_parse_mcfg); if ((pci_mmcfg_config_num == 0) || (pci_mmcfg_config == NULL) || - (pci_mmcfg_config[0].base_address == 0)) + (pci_mmcfg_config[0].address == 0)) return; /* Only do this check when type 1 works. If it doesn't work assume we run on a Mac and always use MCFG */ - if (type == 1 && !e820_all_mapped(pci_mmcfg_config[0].base_address, - pci_mmcfg_config[0].base_address + MMCONFIG_APER_MIN, + if (type == 1 && !e820_all_mapped(pci_mmcfg_config[0].address, + pci_mmcfg_config[0].address + MMCONFIG_APER_MIN, E820_RESERVED)) { - printk(KERN_ERR "PCI: BIOS Bug: MCFG area at %x is not E820-reserved\n", - pci_mmcfg_config[0].base_address); + printk(KERN_ERR "PCI: BIOS Bug: MCFG area at %lx is not E820-reserved\n", + (unsigned long)pci_mmcfg_config[0].address); printk(KERN_ERR "PCI: Not using MMCONFIG.\n"); return; } @@ -194,15 +194,16 @@ void __init pci_mmcfg_init(int type) } for (i = 0; i < pci_mmcfg_config_num; ++i) { pci_mmcfg_virt[i].cfg = &pci_mmcfg_config[i]; - pci_mmcfg_virt[i].virt = ioremap_nocache(pci_mmcfg_config[i].base_address, + pci_mmcfg_virt[i].virt = ioremap_nocache(pci_mmcfg_config[i].address, MMCONFIG_APER_MAX); if (!pci_mmcfg_virt[i].virt) { printk(KERN_ERR "PCI: Cannot map mmconfig aperture for " "segment %d\n", - pci_mmcfg_config[i].pci_segment_group_number); + pci_mmcfg_config[i].pci_segment); return; } - printk(KERN_INFO "PCI: Using MMCONFIG at %x\n", pci_mmcfg_config[i].base_address); + printk(KERN_INFO "PCI: Using MMCONFIG at %lx\n", + (unsigned long)pci_mmcfg_config[i].address); } unreachable_devices(); diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index 2e74cb0b780..7fbb44bea37 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -7,6 +7,10 @@ config FRAME_POINTER bool default n +config ZONE_DMA + bool + default y + config XTENSA bool default y @@ -42,6 +46,9 @@ config ARCH_HAS_ILOG2_U64 bool default n +config NO_IOPORT + def_bool y + source "init/Kconfig" menu "Processor type and features" diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c index b6374c09de2..1ecf6716c32 100644 --- a/arch/xtensa/kernel/setup.c +++ b/arch/xtensa/kernel/setup.c @@ -78,7 +78,7 @@ extern unsigned long loops_per_jiffy; /* Command line specified as configuration option. */ -static char command_line[COMMAND_LINE_SIZE]; +static char __initdata command_line[COMMAND_LINE_SIZE]; #ifdef CONFIG_CMDLINE_BOOL static char default_command_line[COMMAND_LINE_SIZE] __initdata = CONFIG_CMDLINE; @@ -253,8 +253,8 @@ void __init setup_arch(char **cmdline_p) extern int mem_reserve(unsigned long, unsigned long, int); extern void bootmem_init(void); - memcpy(saved_command_line, command_line, COMMAND_LINE_SIZE); - saved_command_line[COMMAND_LINE_SIZE-1] = '\0'; + memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE); + boot_command_line[COMMAND_LINE_SIZE-1] = '\0'; *cmdline_p = command_line; /* Reserve some memory regions */ diff --git a/arch/xtensa/kernel/time.c b/arch/xtensa/kernel/time.c index a350431363a..22949be4a5d 100644 --- a/arch/xtensa/kernel/time.c +++ b/arch/xtensa/kernel/time.c @@ -38,15 +38,6 @@ unsigned long ccount_nsec; /* nsec per ccount increment */ unsigned int last_ccount_stamp; static long last_rtc_update = 0; -/* - * Scheduler clock - returns current tim in nanosec units. - */ - -unsigned long long sched_clock(void) -{ - return (unsigned long long)jiffies * (1000000000 / HZ); -} - static irqreturn_t timer_interrupt(int irq, void *dev_id); static struct irqaction timer_irqaction = { .handler = timer_interrupt, diff --git a/arch/xtensa/kernel/vmlinux.lds.S b/arch/xtensa/kernel/vmlinux.lds.S index a36c104c3a5..ab6370054ce 100644 --- a/arch/xtensa/kernel/vmlinux.lds.S +++ b/arch/xtensa/kernel/vmlinux.lds.S @@ -203,10 +203,12 @@ SECTIONS .data.percpu : { *(.data.percpu) } __per_cpu_end = .; +#ifdef CONFIG_BLK_DEV_INITRD . = ALIGN(4096); __initramfs_start =.; .init.ramfs : { *(.init.ramfs) } __initramfs_end = .; +#endif /* We need this dummy segment here */ |