diff options
Diffstat (limited to 'arch/xtensa/kernel')
-rw-r--r-- | arch/xtensa/kernel/entry.S | 4 | ||||
-rw-r--r-- | arch/xtensa/kernel/irq.c | 9 | ||||
-rw-r--r-- | arch/xtensa/kernel/pci-dma.c | 1 | ||||
-rw-r--r-- | arch/xtensa/kernel/pci.c | 15 | ||||
-rw-r--r-- | arch/xtensa/kernel/process.c | 2 | ||||
-rw-r--r-- | arch/xtensa/kernel/ptrace.c | 56 | ||||
-rw-r--r-- | arch/xtensa/kernel/time.c | 5 | ||||
-rw-r--r-- | arch/xtensa/kernel/vectors.S | 2 |
8 files changed, 22 insertions, 72 deletions
diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S index 80d24c485fd..77fc9f6dc01 100644 --- a/arch/xtensa/kernel/entry.S +++ b/arch/xtensa/kernel/entry.S @@ -104,7 +104,7 @@ * excsave has been restored, and * stack pointer (a1) has been set. * - * Note: _user_exception might be at an odd adress. Don't use call0..call12 + * Note: _user_exception might be at an odd address. Don't use call0..call12 */ ENTRY(user_exception) @@ -244,7 +244,7 @@ _user_exception: * excsave has been restored, and * stack pointer (a1) has been set. * - * Note: _kernel_exception might be at an odd adress. Don't use call0..call12 + * Note: _kernel_exception might be at an odd address. Don't use call0..call12 */ ENTRY(kernel_exception) diff --git a/arch/xtensa/kernel/irq.c b/arch/xtensa/kernel/irq.c index 8cd38484e13..c64a5d387de 100644 --- a/arch/xtensa/kernel/irq.c +++ b/arch/xtensa/kernel/irq.c @@ -27,15 +27,6 @@ static unsigned int cached_irq_mask; atomic_t irq_err_count; /* - * 'what should we do if we get a hw irq event on an illegal vector'. - * each architecture has to answer this themselves. - */ -void ack_bad_irq(unsigned int irq) -{ - printk("unexpected IRQ trap at vector %02x\n", irq); -} - -/* * do_IRQ handles all normal device IRQ's (the special * SMP cross-CPU interrupts have their own specific * handlers). diff --git a/arch/xtensa/kernel/pci-dma.c b/arch/xtensa/kernel/pci-dma.c index f5319d78c87..2783fda76dd 100644 --- a/arch/xtensa/kernel/pci-dma.c +++ b/arch/xtensa/kernel/pci-dma.c @@ -20,6 +20,7 @@ #include <linux/mm.h> #include <linux/string.h> #include <linux/pci.h> +#include <linux/gfp.h> #include <asm/io.h> #include <asm/cacheflush.h> diff --git a/arch/xtensa/kernel/pci.c b/arch/xtensa/kernel/pci.c index b7c073484e0..cd102693120 100644 --- a/arch/xtensa/kernel/pci.c +++ b/arch/xtensa/kernel/pci.c @@ -69,26 +69,25 @@ static int pci_bus_count; * but we want to try to avoid allocating at 0x2900-0x2bff * which might have be mirrored at 0x0100-0x03ff.. */ -void -pcibios_align_resource(void *data, struct resource *res, resource_size_t size, - resource_size_t align) +resource_size_t +pcibios_align_resource(void *data, const struct resource *res, + resource_size_t size, resource_size_t align) { struct pci_dev *dev = data; + resource_size_t start = res->start; if (res->flags & IORESOURCE_IO) { - resource_size_t start = res->start; - if (size > 0x100) { printk(KERN_ERR "PCI: I/O Region %s/%d too large" " (%ld bytes)\n", pci_name(dev), dev->resource - res, size); } - if (start & 0x300) { + if (start & 0x300) start = (start + 0x3ff) & ~0x3ff; - res->start = start; - } } + + return start; } int diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c index e1a04a346e7..f167e0f5e05 100644 --- a/arch/xtensa/kernel/process.c +++ b/arch/xtensa/kernel/process.c @@ -23,7 +23,6 @@ #include <linux/stddef.h> #include <linux/unistd.h> #include <linux/ptrace.h> -#include <linux/slab.h> #include <linux/elf.h> #include <linux/init.h> #include <linux/prctl.h> @@ -31,6 +30,7 @@ #include <linux/module.h> #include <linux/mqueue.h> #include <linux/fs.h> +#include <linux/slab.h> #include <asm/pgtable.h> #include <asm/uaccess.h> diff --git a/arch/xtensa/kernel/ptrace.c b/arch/xtensa/kernel/ptrace.c index 9486882ef0a..9d4e1ceb3f0 100644 --- a/arch/xtensa/kernel/ptrace.c +++ b/arch/xtensa/kernel/ptrace.c @@ -30,6 +30,17 @@ #include <asm/elf.h> #include <asm/coprocessor.h> + +void user_enable_single_step(struct task_struct *child) +{ + child->ptrace |= PT_SINGLESTEP; +} + +void user_disable_single_step(struct task_struct *child) +{ + child->ptrace &= ~PT_SINGLESTEP; +} + /* * Called by kernel/ptrace.c when detaching to disable single stepping. */ @@ -268,51 +279,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) ret = ptrace_pokeusr(child, addr, data); break; - /* continue and stop at next (return from) syscall */ - - case PTRACE_SYSCALL: - case PTRACE_CONT: /* restart after signal. */ - { - ret = -EIO; - if (!valid_signal(data)) - break; - if (request == PTRACE_SYSCALL) - set_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - else - clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - child->exit_code = data; - /* Make sure the single step bit is not set. */ - child->ptrace &= ~PT_SINGLESTEP; - wake_up_process(child); - ret = 0; - break; - } - - /* - * make the child exit. Best I can do is send it a sigkill. - * perhaps it should be put in the status that it wants to - * exit. - */ - case PTRACE_KILL: - ret = 0; - if (child->exit_state == EXIT_ZOMBIE) /* already dead */ - break; - child->exit_code = SIGKILL; - child->ptrace &= ~PT_SINGLESTEP; - wake_up_process(child); - break; - - case PTRACE_SINGLESTEP: - ret = -EIO; - if (!valid_signal(data)) - break; - clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - child->ptrace |= PT_SINGLESTEP; - child->exit_code = data; - wake_up_process(child); - ret = 0; - break; - case PTRACE_GETREGS: ret = ptrace_getregs(child, (void __user *) data); break; diff --git a/arch/xtensa/kernel/time.c b/arch/xtensa/kernel/time.c index 19f7df30937..19df764f639 100644 --- a/arch/xtensa/kernel/time.c +++ b/arch/xtensa/kernel/time.c @@ -60,11 +60,6 @@ static struct irqaction timer_irqaction = { void __init time_init(void) { - /* FIXME: xtime&wall_to_monotonic are set in timekeeping_init. */ - read_persistent_clock(&xtime); - set_normalized_timespec(&wall_to_monotonic, - -xtime.tv_sec, -xtime.tv_nsec); - #ifdef CONFIG_XTENSA_CALIBRATE_CCOUNT printk("Calibrating CPU frequency "); platform_calibrate_ccount(); diff --git a/arch/xtensa/kernel/vectors.S b/arch/xtensa/kernel/vectors.S index 74a7518faf1..70066e3582d 100644 --- a/arch/xtensa/kernel/vectors.S +++ b/arch/xtensa/kernel/vectors.S @@ -44,14 +44,12 @@ #include <linux/linkage.h> #include <asm/ptrace.h> -#include <asm/ptrace.h> #include <asm/current.h> #include <asm/asm-offsets.h> #include <asm/pgtable.h> #include <asm/processor.h> #include <asm/page.h> #include <asm/thread_info.h> -#include <asm/processor.h> #define WINDOW_VECTORS_SIZE 0x180 |