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 d4dfa050e3a5..520d92205fed 100644 --- a/arch/cris/kernel/traps.c +++ b/arch/cris/kernel/traps.c | |||
@@ -1,4 +1,4 @@ | |||
1 | /* $Id: traps.c,v 1.9 2004/05/11 12:28:26 starvik Exp $ | 1 | /* $Id: traps.c,v 1.11 2005/01/24 16:03:19 orjanf Exp $ |
2 | * | 2 | * |
3 | * linux/arch/cris/traps.c | 3 | * linux/arch/cris/traps.c |
4 | * | 4 | * |
@@ -20,13 +20,15 @@ | |||
20 | 20 | ||
21 | static int kstack_depth_to_print = 24; | 21 | static int kstack_depth_to_print = 24; |
22 | 22 | ||
23 | extern int raw_printk(const char *fmt, ...); | ||
24 | |||
23 | void show_trace(unsigned long * stack) | 25 | void show_trace(unsigned long * stack) |
24 | { | 26 | { |
25 | unsigned long addr, module_start, module_end; | 27 | unsigned long addr, module_start, module_end; |
26 | extern char _stext, _etext; | 28 | extern char _stext, _etext; |
27 | int i; | 29 | int i; |
28 | 30 | ||
29 | printk("\nCall Trace: "); | 31 | raw_printk("\nCall Trace: "); |
30 | 32 | ||
31 | i = 1; | 33 | i = 1; |
32 | module_start = VMALLOC_START; | 34 | module_start = VMALLOC_START; |
@@ -37,7 +39,7 @@ void show_trace(unsigned long * stack) | |||
37 | /* This message matches "failing address" marked | 39 | /* This message matches "failing address" marked |
38 | s390 in ksymoops, so lines containing it will | 40 | s390 in ksymoops, so lines containing it will |
39 | not be filtered out by ksymoops. */ | 41 | not be filtered out by ksymoops. */ |
40 | printk ("Failing address 0x%lx\n", (unsigned long)stack); | 42 | raw_printk ("Failing address 0x%lx\n", (unsigned long)stack); |
41 | break; | 43 | break; |
42 | } | 44 | } |
43 | stack++; | 45 | stack++; |
@@ -54,8 +56,8 @@ void show_trace(unsigned long * stack) | |||
54 | (addr <= (unsigned long) &_etext)) || | 56 | (addr <= (unsigned long) &_etext)) || |
55 | ((addr >= module_start) && (addr <= module_end))) { | 57 | ((addr >= module_start) && (addr <= module_end))) { |
56 | if (i && ((i % 8) == 0)) | 58 | if (i && ((i % 8) == 0)) |
57 | printk("\n "); | 59 | raw_printk("\n "); |
58 | printk("[<%08lx>] ", addr); | 60 | raw_printk("[<%08lx>] ", addr); |
59 | i++; | 61 | i++; |
60 | } | 62 | } |
61 | } | 63 | } |
@@ -96,25 +98,59 @@ show_stack(struct task_struct *task, unsigned long *sp) | |||
96 | 98 | ||
97 | stack = sp; | 99 | stack = sp; |
98 | 100 | ||
99 | printk("\nStack from %08lx:\n ", (unsigned long)stack); | 101 | raw_printk("\nStack from %08lx:\n ", (unsigned long)stack); |
100 | for(i = 0; i < kstack_depth_to_print; i++) { | 102 | for(i = 0; i < kstack_depth_to_print; i++) { |
101 | if (((long) stack & (THREAD_SIZE-1)) == 0) | 103 | if (((long) stack & (THREAD_SIZE-1)) == 0) |
102 | break; | 104 | break; |
103 | if (i && ((i % 8) == 0)) | 105 | if (i && ((i % 8) == 0)) |
104 | printk("\n "); | 106 | raw_printk("\n "); |
105 | if (__get_user (addr, stack)) { | 107 | if (__get_user (addr, stack)) { |
106 | /* This message matches "failing address" marked | 108 | /* This message matches "failing address" marked |
107 | s390 in ksymoops, so lines containing it will | 109 | s390 in ksymoops, so lines containing it will |
108 | not be filtered out by ksymoops. */ | 110 | not be filtered out by ksymoops. */ |
109 | printk ("Failing address 0x%lx\n", (unsigned long)stack); | 111 | raw_printk ("Failing address 0x%lx\n", (unsigned long)stack); |
110 | break; | 112 | break; |
111 | } | 113 | } |
112 | stack++; | 114 | stack++; |
113 | printk("%08lx ", addr); | 115 | raw_printk("%08lx ", addr); |
114 | } | 116 | } |
115 | show_trace(sp); | 117 | show_trace(sp); |
116 | } | 118 | } |
117 | 119 | ||
120 | static void (*nmi_handler)(struct pt_regs*); | ||
121 | extern void arch_enable_nmi(void); | ||
122 | |||
123 | void set_nmi_handler(void (*handler)(struct pt_regs*)) | ||
124 | { | ||
125 | nmi_handler = handler; | ||
126 | arch_enable_nmi(); | ||
127 | } | ||
128 | |||
129 | void handle_nmi(struct pt_regs* regs) | ||
130 | { | ||
131 | if (nmi_handler) | ||
132 | nmi_handler(regs); | ||
133 | } | ||
134 | |||
135 | #ifdef CONFIG_DEBUG_NMI_OOPS | ||
136 | void oops_nmi_handler(struct pt_regs* regs) | ||
137 | { | ||
138 | stop_watchdog(); | ||
139 | raw_printk("NMI!\n"); | ||
140 | show_registers(regs); | ||
141 | } | ||
142 | |||
143 | static int | ||
144 | __init oops_nmi_register(void) | ||
145 | { | ||
146 | set_nmi_handler(oops_nmi_handler); | ||
147 | return 0; | ||
148 | } | ||
149 | |||
150 | __initcall(oops_nmi_register); | ||
151 | |||
152 | #endif | ||
153 | |||
118 | #if 0 | 154 | #if 0 |
119 | /* displays a short stack trace */ | 155 | /* displays a short stack trace */ |
120 | 156 | ||
@@ -123,9 +159,9 @@ show_stack() | |||
123 | { | 159 | { |
124 | unsigned long *sp = (unsigned long *)rdusp(); | 160 | unsigned long *sp = (unsigned long *)rdusp(); |
125 | int i; | 161 | int i; |
126 | printk("Stack dump [0x%08lx]:\n", (unsigned long)sp); | 162 | raw_printk("Stack dump [0x%08lx]:\n", (unsigned long)sp); |
127 | for(i = 0; i < 16; i++) | 163 | for(i = 0; i < 16; i++) |
128 | printk("sp + %d: 0x%08lx\n", i*4, sp[i]); | 164 | raw_printk("sp + %d: 0x%08lx\n", i*4, sp[i]); |
129 | return 0; | 165 | return 0; |
130 | } | 166 | } |
131 | #endif | 167 | #endif |
@@ -142,3 +178,9 @@ trap_init(void) | |||
142 | { | 178 | { |
143 | /* Nothing needs to be done */ | 179 | /* Nothing needs to be done */ |
144 | } | 180 | } |
181 | |||
182 | void spinning_cpu(void* addr) | ||
183 | { | ||
184 | raw_printk("CPU %d spinning on %X\n", smp_processor_id(), addr); | ||
185 | dump_stack(); | ||
186 | } | ||