diff options
Diffstat (limited to 'arch/microblaze/kernel')
-rw-r--r-- | arch/microblaze/kernel/asm-offsets.c | 2 | ||||
-rw-r--r-- | arch/microblaze/kernel/cpu/cache.c | 3 | ||||
-rw-r--r-- | arch/microblaze/kernel/cpu/cpuinfo-pvr-full.c | 9 | ||||
-rw-r--r-- | arch/microblaze/kernel/cpu/cpuinfo.c | 2 | ||||
-rw-r--r-- | arch/microblaze/kernel/cpu/mb.c | 4 | ||||
-rw-r--r-- | arch/microblaze/kernel/early_printk.c | 2 | ||||
-rw-r--r-- | arch/microblaze/kernel/of_device.c | 10 | ||||
-rw-r--r-- | arch/microblaze/kernel/process.c | 23 | ||||
-rw-r--r-- | arch/microblaze/kernel/prom.c | 1 | ||||
-rw-r--r-- | arch/microblaze/kernel/ptrace.c | 1 | ||||
-rw-r--r-- | arch/microblaze/kernel/signal.c | 15 | ||||
-rw-r--r-- | arch/microblaze/kernel/sys_microblaze.c | 2 | ||||
-rw-r--r-- | arch/microblaze/kernel/syscall_table.S | 2 | ||||
-rw-r--r-- | arch/microblaze/kernel/timer.c | 2 | ||||
-rw-r--r-- | arch/microblaze/kernel/traps.c | 2 |
15 files changed, 43 insertions, 37 deletions
diff --git a/arch/microblaze/kernel/asm-offsets.c b/arch/microblaze/kernel/asm-offsets.c index 38e1a2e8ad0..aabd9e9423a 100644 --- a/arch/microblaze/kernel/asm-offsets.c +++ b/arch/microblaze/kernel/asm-offsets.c @@ -57,7 +57,7 @@ int main(int argc, char *argv[]) DEFINE(PT_R29, offsetof(struct pt_regs, r29)); DEFINE(PT_R30, offsetof(struct pt_regs, r30)); DEFINE(PT_R31, offsetof(struct pt_regs, r31)); - DEFINE(PT_MODE, offsetof(struct pt_regs, kernel_mode)); + DEFINE(PT_MODE, offsetof(struct pt_regs, pt_mode)); BLANK(); /* Magic offsets for PTRACE PEEK/POKE etc */ diff --git a/arch/microblaze/kernel/cpu/cache.c b/arch/microblaze/kernel/cpu/cache.c index be9fecca4f9..af866a45012 100644 --- a/arch/microblaze/kernel/cpu/cache.c +++ b/arch/microblaze/kernel/cpu/cache.c @@ -100,7 +100,6 @@ void _enable_dcache(void) void _disable_dcache(void) { - if (cpuinfo.use_dcache) { #if CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR __asm__ __volatile__ (" \ msrclr r0, %0; \ @@ -119,12 +118,10 @@ void _disable_dcache(void) : "i" (MSR_DCE) \ : "memory", "r12"); #endif - } } void _invalidate_dcache(unsigned int addr) { - if (cpuinfo.use_dcache) __asm__ __volatile__ (" \ wdc %0, r0" \ : \ diff --git a/arch/microblaze/kernel/cpu/cpuinfo-pvr-full.c b/arch/microblaze/kernel/cpu/cpuinfo-pvr-full.c index cf7424a6bb8..153f57c57b6 100644 --- a/arch/microblaze/kernel/cpu/cpuinfo-pvr-full.c +++ b/arch/microblaze/kernel/cpu/cpuinfo-pvr-full.c @@ -30,6 +30,13 @@ void set_cpuinfo_pvr_full(struct cpuinfo *ci, struct device_node *cpu) int temp; /* for saving temp value */ get_pvr(&pvr); + CI(ver_code, VERSION); + if (!ci->ver_code) { + printk(KERN_ERR "ERROR: MB has broken PVR regs " + "-> use DTS setting\n"); + return; + } + temp = PVR_USE_BARREL(pvr) | PVR_USE_MSR_INSTR(pvr) |\ PVR_USE_PCMP_INSTR(pvr) | PVR_USE_DIV(pvr); if (ci->use_instr != temp) @@ -60,8 +67,6 @@ void set_cpuinfo_pvr_full(struct cpuinfo *ci, struct device_node *cpu) CI(mmu, USE_MMU); - CI(ver_code, VERSION); - CI(use_icache, USE_ICACHE); CI(icache_tagbits, ICACHE_ADDR_TAG_BITS); CI(icache_write, ICACHE_ALLOW_WR); diff --git a/arch/microblaze/kernel/cpu/cpuinfo.c b/arch/microblaze/kernel/cpu/cpuinfo.c index 4a740dfcf6d..a10bea119b9 100644 --- a/arch/microblaze/kernel/cpu/cpuinfo.c +++ b/arch/microblaze/kernel/cpu/cpuinfo.c @@ -71,7 +71,7 @@ void __init setup_cpuinfo(void) __func__); set_cpuinfo_static(&cpuinfo, cpu); break; -/* FIXME I found weird behavior with MB 7.00.a/b +/* FIXME I found weird behavior with MB 7.00.a/b 7.10.a * please do not use FULL PVR with MMU */ case 1: printk(KERN_INFO "%s: Using full CPU PVR support\n", diff --git a/arch/microblaze/kernel/cpu/mb.c b/arch/microblaze/kernel/cpu/mb.c index 3b6212bdc8d..4dcfccdbc36 100644 --- a/arch/microblaze/kernel/cpu/mb.c +++ b/arch/microblaze/kernel/cpu/mb.c @@ -115,8 +115,8 @@ static int show_cpuinfo(struct seq_file *m, void *v) cpuinfo.hw_debug ? "yes" : "no"); count += seq_printf(m, - "PVR-USR1:\t%x\n" - "PVR-USR2:\t%x\n", + "PVR-USR1:\t%02x\n" + "PVR-USR2:\t%08x\n", cpuinfo.pvr_user1, cpuinfo.pvr_user2); diff --git a/arch/microblaze/kernel/early_printk.c b/arch/microblaze/kernel/early_printk.c index 62cc78993f4..4b0f0fdb9ca 100644 --- a/arch/microblaze/kernel/early_printk.c +++ b/arch/microblaze/kernel/early_printk.c @@ -36,7 +36,7 @@ static void early_printk_putc(char c) unsigned retries = 10000; /* read status bit - 0x8 offset */ - while (retries-- && (in_be32(base_addr + 8) & (1 << 3))) + while (--retries && (in_be32(base_addr + 8) & (1 << 3))) ; /* Only attempt the iowrite if we didn't timeout */ diff --git a/arch/microblaze/kernel/of_device.c b/arch/microblaze/kernel/of_device.c index 717edf4ad0b..9a0f7632c47 100644 --- a/arch/microblaze/kernel/of_device.c +++ b/arch/microblaze/kernel/of_device.c @@ -13,7 +13,6 @@ void of_device_make_bus_id(struct of_device *dev) { static atomic_t bus_no_reg_magic; struct device_node *node = dev->node; - char *name = dev->dev.bus_id; const u32 *reg; u64 addr; int magic; @@ -25,9 +24,8 @@ void of_device_make_bus_id(struct of_device *dev) if (reg) { addr = of_translate_address(node, reg); if (addr != OF_BAD_ADDR) { - snprintf(name, BUS_ID_SIZE, - "%llx.%s", (unsigned long long)addr, - node->name); + dev_set_name(&dev->dev, "%llx.%s", + (unsigned long long)addr, node->name); return; } } @@ -37,7 +35,7 @@ void of_device_make_bus_id(struct of_device *dev) * counter (and pray...) */ magic = atomic_add_return(1, &bus_no_reg_magic); - snprintf(name, BUS_ID_SIZE, "%s.%d", node->name, magic - 1); + dev_set_name(&dev->dev, "%s.%d", node->name, magic - 1); } EXPORT_SYMBOL(of_device_make_bus_id); @@ -58,7 +56,7 @@ struct of_device *of_device_alloc(struct device_node *np, dev->dev.archdata.of_node = np; if (bus_id) - strlcpy(dev->dev.bus_id, bus_id, BUS_ID_SIZE); + dev_set_name(&dev->dev, bus_id); else of_device_make_bus_id(dev); diff --git a/arch/microblaze/kernel/process.c b/arch/microblaze/kernel/process.c index 60e9ed7d313..07d4fa339ed 100644 --- a/arch/microblaze/kernel/process.c +++ b/arch/microblaze/kernel/process.c @@ -18,7 +18,7 @@ void show_regs(struct pt_regs *regs) { - printk(KERN_INFO " Registers dump: mode=%X\r\n", regs->kernel_mode); + printk(KERN_INFO " Registers dump: mode=%X\r\n", regs->pt_mode); printk(KERN_INFO " r1=%08lX, r2=%08lX, r3=%08lX, r4=%08lX\n", regs->r1, regs->r2, regs->r3, regs->r4); printk(KERN_INFO " r5=%08lX, r6=%08lX, r7=%08lX, r8=%08lX\n", @@ -37,8 +37,6 @@ void show_regs(struct pt_regs *regs) regs->r29, regs->r30, regs->r31, regs->pc); printk(KERN_INFO " msr=%08lX, ear=%08lX, esr=%08lX, fsr=%08lX\n", regs->msr, regs->ear, regs->esr, regs->fsr); - while (1) - ; } void (*pm_idle)(void); @@ -115,8 +113,7 @@ void flush_thread(void) { } -/* FIXME - here will be a proposed change -> remove nr parameter */ -int copy_thread(int nr, unsigned long clone_flags, unsigned long usp, +int copy_thread(unsigned long clone_flags, unsigned long usp, unsigned long unused, struct task_struct *p, struct pt_regs *regs) { @@ -164,7 +161,6 @@ static void kernel_thread_helper(int (*fn)(void *), void *arg) int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags) { struct pt_regs regs; - int ret; memset(®s, 0, sizeof(regs)); /* store them in non-volatile registers */ @@ -172,12 +168,10 @@ int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags) regs.r6 = (unsigned long)arg; local_save_flags(regs.msr); regs.pc = (unsigned long)kernel_thread_helper; - regs.kernel_mode = 1; + regs.pt_mode = 1; - ret = do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0, + return do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0, ®s, 0, NULL, NULL); - - return ret; } unsigned long get_wchan(struct task_struct *p) @@ -185,3 +179,12 @@ unsigned long get_wchan(struct task_struct *p) /* TBD (used by procfs) */ return 0; } + +/* Set up a thread for executing a new program */ +void start_thread(struct pt_regs *regs, unsigned long pc, unsigned long usp) +{ + set_fs(USER_DS); + regs->pc = pc; + regs->r1 = usp; + regs->pt_mode = 0; +} diff --git a/arch/microblaze/kernel/prom.c b/arch/microblaze/kernel/prom.c index 475b1fac5cf..34c48718061 100644 --- a/arch/microblaze/kernel/prom.c +++ b/arch/microblaze/kernel/prom.c @@ -39,7 +39,6 @@ #include <asm/system.h> #include <asm/mmu.h> #include <asm/pgtable.h> -#include <linux/pci.h> #include <asm/sections.h> #include <asm/pci-bridge.h> diff --git a/arch/microblaze/kernel/ptrace.c b/arch/microblaze/kernel/ptrace.c index 3171e39e322..b86aa623e36 100644 --- a/arch/microblaze/kernel/ptrace.c +++ b/arch/microblaze/kernel/ptrace.c @@ -32,7 +32,6 @@ #include <linux/signal.h> #include <linux/errno.h> -#include <linux/ptrace.h> #include <asm/processor.h> #include <linux/uaccess.h> #include <asm/asm-offsets.h> diff --git a/arch/microblaze/kernel/signal.c b/arch/microblaze/kernel/signal.c index ff347b98863..40d36931e36 100644 --- a/arch/microblaze/kernel/signal.c +++ b/arch/microblaze/kernel/signal.c @@ -37,7 +37,6 @@ #include <linux/uaccess.h> #include <asm/pgtable.h> #include <asm/pgalloc.h> -#include <linux/signal.h> #include <linux/syscalls.h> #include <asm/cacheflush.h> #include <asm/syscalls.h> @@ -179,7 +178,9 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext *sc, int *rval_p) asmlinkage int sys_sigreturn(struct pt_regs *regs) { - struct sigframe *frame = (struct sigframe *)regs->r1; + struct sigframe *frame = + (struct sigframe *)(regs->r1 + STATE_SAVE_ARG_SPACE); + sigset_t set; int rval; @@ -210,7 +211,9 @@ badframe: asmlinkage int sys_rt_sigreturn(struct pt_regs *regs) { - struct rt_sigframe *frame = (struct rt_sigframe *)regs->r1; + struct rt_sigframe *frame = + (struct rt_sigframe *)(regs->r1 + STATE_SAVE_ARG_SPACE); + sigset_t set; stack_t st; int rval; @@ -337,7 +340,8 @@ static void setup_frame(int sig, struct k_sigaction *ka, goto give_sigsegv; /* Set up registers for signal handler */ - regs->r1 = (unsigned long) frame; + regs->r1 = (unsigned long) frame - STATE_SAVE_ARG_SPACE; + /* Signal handler args: */ regs->r5 = signal; /* Arg 0: signum */ regs->r6 = (unsigned long) &frame->sc; /* arg 1: sigcontext */ @@ -415,7 +419,8 @@ static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, goto give_sigsegv; /* Set up registers for signal handler */ - regs->r1 = (unsigned long) frame; + regs->r1 = (unsigned long) frame - STATE_SAVE_ARG_SPACE; + /* Signal handler args: */ regs->r5 = signal; /* arg 0: signum */ regs->r6 = (unsigned long) &frame->info; /* arg 1: siginfo */ diff --git a/arch/microblaze/kernel/sys_microblaze.c b/arch/microblaze/kernel/sys_microblaze.c index d90b548fb1b..ba0568c2cc1 100644 --- a/arch/microblaze/kernel/sys_microblaze.c +++ b/arch/microblaze/kernel/sys_microblaze.c @@ -29,9 +29,7 @@ #include <linux/module.h> #include <linux/err.h> #include <linux/fs.h> -#include <linux/ipc.h> #include <linux/semaphore.h> -#include <linux/syscalls.h> #include <linux/uaccess.h> #include <linux/unistd.h> diff --git a/arch/microblaze/kernel/syscall_table.S b/arch/microblaze/kernel/syscall_table.S index 529b0dbf4fe..3bb42ec924c 100644 --- a/arch/microblaze/kernel/syscall_table.S +++ b/arch/microblaze/kernel/syscall_table.S @@ -363,3 +363,5 @@ ENTRY(sys_call_table) .long sys_sendmsg /* 360 */ .long sys_recvmsg .long sys_ni_syscall + .long sys_ni_syscall + .long sys_ni_syscall diff --git a/arch/microblaze/kernel/timer.c b/arch/microblaze/kernel/timer.c index 05a497eefd7..bdfa2f9f0c8 100644 --- a/arch/microblaze/kernel/timer.c +++ b/arch/microblaze/kernel/timer.c @@ -176,7 +176,7 @@ static __init void microblaze_clockevent_init(void) clockevents_register_device(&clockevent_microblaze_timer); } -static cycle_t microblaze_read(void) +static cycle_t microblaze_read(struct clocksource *cs) { /* reading actual value of timer 1 */ return (cycle_t) (in_be32(TIMER_BASE + TCR1)); diff --git a/arch/microblaze/kernel/traps.c b/arch/microblaze/kernel/traps.c index fbdc533c61e..293ef486013 100644 --- a/arch/microblaze/kernel/traps.c +++ b/arch/microblaze/kernel/traps.c @@ -34,7 +34,7 @@ static int kstack_depth_to_print = 24; static int __init kstack_setup(char *s) { - kstack_depth_to_print = strict_strtoul(s, 0, 0); + kstack_depth_to_print = strict_strtoul(s, 0, NULL); return 1; } |