aboutsummaryrefslogtreecommitdiff
path: root/arch/mn10300/kernel/traps.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mn10300/kernel/traps.c')
-rw-r--r--arch/mn10300/kernel/traps.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/arch/mn10300/kernel/traps.c b/arch/mn10300/kernel/traps.c
index 716a221df2f..c924a1dd332 100644
--- a/arch/mn10300/kernel/traps.c
+++ b/arch/mn10300/kernel/traps.c
@@ -45,8 +45,13 @@
#error "INTERRUPT_VECTOR_BASE not aligned to 16MiB boundary!"
#endif
+#ifdef CONFIG_SMP
+struct pt_regs *___frame[NR_CPUS]; /* current frame pointer */
+EXPORT_SYMBOL(___frame);
+#else /* CONFIG_SMP */
struct pt_regs *__frame; /* current frame pointer */
EXPORT_SYMBOL(__frame);
+#endif /* CONFIG_SMP */
int kstack_depth_to_print = 24;
@@ -221,11 +226,14 @@ void show_registers_only(struct pt_regs *regs)
printk(KERN_EMERG "threadinfo=%p task=%p)\n",
current_thread_info(), current);
- if ((unsigned long) current >= 0x90000000UL &&
- (unsigned long) current < 0x94000000UL)
+ if ((unsigned long) current >= PAGE_OFFSET &&
+ (unsigned long) current < (unsigned long)high_memory)
printk(KERN_EMERG "Process %s (pid: %d)\n",
current->comm, current->pid);
+#ifdef CONFIG_SMP
+ printk(KERN_EMERG "CPUID: %08x\n", CPUID);
+#endif
printk(KERN_EMERG "CPUP: %04hx\n", CPUP);
printk(KERN_EMERG "TBR: %08x\n", TBR);
printk(KERN_EMERG "DEAR: %08x\n", DEAR);
@@ -521,8 +529,12 @@ void __init set_intr_stub(enum exception_code code, void *handler)
{
unsigned long addr;
u8 *vector = (u8 *)(CONFIG_INTERRUPT_VECTOR_BASE + code);
+ unsigned long flags;
addr = (unsigned long) handler - (unsigned long) vector;
+
+ flags = arch_local_cli_save();
+
vector[0] = 0xdc; /* JMP handler */
vector[1] = addr;
vector[2] = addr >> 8;
@@ -532,6 +544,8 @@ void __init set_intr_stub(enum exception_code code, void *handler)
vector[6] = 0xcb;
vector[7] = 0xcb;
+ arch_local_irq_restore(flags);
+
#ifndef CONFIG_MN10300_CACHE_SNOOP
mn10300_dcache_flush_inv();
mn10300_icache_inv();