diff options
Diffstat (limited to 'arch/cris/kernel/traps.c')
| -rw-r--r-- | arch/cris/kernel/traps.c | 64 |
1 files changed, 53 insertions, 11 deletions
diff --git a/arch/cris/kernel/traps.c b/arch/cris/kernel/traps.c index d4dfa050e3a..520d92205fe 100644 --- a/arch/cris/kernel/traps.c +++ b/arch/cris/kernel/traps.c @@ -1,4 +1,4 @@ -/* $Id: traps.c,v 1.9 2004/05/11 12:28:26 starvik Exp $ +/* $Id: traps.c,v 1.11 2005/01/24 16:03:19 orjanf Exp $ * * linux/arch/cris/traps.c * @@ -20,13 +20,15 @@ static int kstack_depth_to_print = 24; +extern int raw_printk(const char *fmt, ...); + void show_trace(unsigned long * stack) { unsigned long addr, module_start, module_end; extern char _stext, _etext; int i; - printk("\nCall Trace: "); + raw_printk("\nCall Trace: "); i = 1; module_start = VMALLOC_START; @@ -37,7 +39,7 @@ void show_trace(unsigned long * stack) /* This message matches "failing address" marked s390 in ksymoops, so lines containing it will not be filtered out by ksymoops. */ - printk ("Failing address 0x%lx\n", (unsigned long)stack); + raw_printk ("Failing address 0x%lx\n", (unsigned long)stack); break; } stack++; @@ -54,8 +56,8 @@ void show_trace(unsigned long * stack) (addr <= (unsigned long) &_etext)) || ((addr >= module_start) && (addr <= module_end))) { if (i && ((i % 8) == 0)) - printk("\n "); - printk("[<%08lx>] ", addr); + raw_printk("\n "); + raw_printk("[<%08lx>] ", addr); i++; } } @@ -96,25 +98,59 @@ show_stack(struct task_struct *task, unsigned long *sp) stack = sp; - printk("\nStack from %08lx:\n ", (unsigned long)stack); + raw_printk("\nStack from %08lx:\n ", (unsigned long)stack); for(i = 0; i < kstack_depth_to_print; i++) { if (((long) stack & (THREAD_SIZE-1)) == 0) break; if (i && ((i % 8) == 0)) - printk("\n "); + raw_printk("\n "); if (__get_user (addr, stack)) { /* This message matches "failing address" marked s390 in ksymoops, so lines containing it will not be filtered out by ksymoops. */ - printk ("Failing address 0x%lx\n", (unsigned long)stack); + raw_printk ("Failing address 0x%lx\n", (unsigned long)stack); break; } stack++; - printk("%08lx ", addr); + raw_printk("%08lx ", addr); } show_trace(sp); } +static void (*nmi_handler)(struct pt_regs*); +extern void arch_enable_nmi(void); + +void set_nmi_handler(void (*handler)(struct pt_regs*)) +{ + nmi_handler = handler; + arch_enable_nmi(); +} + +void handle_nmi(struct pt_regs* regs) +{ + if (nmi_handler) + nmi_handler(regs); +} + +#ifdef CONFIG_DEBUG_NMI_OOPS +void oops_nmi_handler(struct pt_regs* regs) +{ + stop_watchdog(); + raw_printk("NMI!\n"); + show_registers(regs); +} + +static int +__init oops_nmi_register(void) +{ + set_nmi_handler(oops_nmi_handler); + return 0; +} + +__initcall(oops_nmi_register); + +#endif + #if 0 /* displays a short stack trace */ @@ -123,9 +159,9 @@ show_stack() { unsigned long *sp = (unsigned long *)rdusp(); int i; - printk("Stack dump [0x%08lx]:\n", (unsigned long)sp); + raw_printk("Stack dump [0x%08lx]:\n", (unsigned long)sp); for(i = 0; i < 16; i++) - printk("sp + %d: 0x%08lx\n", i*4, sp[i]); + raw_printk("sp + %d: 0x%08lx\n", i*4, sp[i]); return 0; } #endif @@ -142,3 +178,9 @@ trap_init(void) { /* Nothing needs to be done */ } + +void spinning_cpu(void* addr) +{ + raw_printk("CPU %d spinning on %X\n", smp_processor_id(), addr); + dump_stack(); +} |