diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-03-11 10:49:34 +0100 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2009-03-11 10:49:34 +0100 |
commit | d95c3578120e5bc4784069439f00ccb1b5f87717 (patch) | |
tree | c819de31de3983f3d69f223ede07667ff23bf7da /arch/blackfin/kernel/traps.c | |
parent | ba1d755a36f66101aa88ac9ebb54694def6ec38d (diff) | |
parent | 78b020d035074fc3aa4d017353bb2c32e2aff56f (diff) |
Merge branch 'x86/core' into cpus4096
Diffstat (limited to 'arch/blackfin/kernel/traps.c')
-rw-r--r-- | arch/blackfin/kernel/traps.c | 39 |
1 files changed, 28 insertions, 11 deletions
diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c index 5b0667da8d0..ffe7fb53ecc 100644 --- a/arch/blackfin/kernel/traps.c +++ b/arch/blackfin/kernel/traps.c @@ -673,6 +673,14 @@ static void decode_instruction(unsigned short *address) verbose_printk("RTI"); else if (opcode == 0x0012) verbose_printk("RTX"); + else if (opcode == 0x0013) + verbose_printk("RTN"); + else if (opcode == 0x0014) + verbose_printk("RTE"); + else if (opcode == 0x0025) + verbose_printk("EMUEXCPT"); + else if (opcode == 0x0040 && opcode <= 0x0047) + verbose_printk("STI R%i", opcode & 7); else if (opcode >= 0x0050 && opcode <= 0x0057) verbose_printk("JUMP (P%i)", opcode & 7); else if (opcode >= 0x0060 && opcode <= 0x0067) @@ -681,6 +689,10 @@ static void decode_instruction(unsigned short *address) verbose_printk("CALL (PC+P%i)", opcode & 7); else if (opcode >= 0x0080 && opcode <= 0x0087) verbose_printk("JUMP (PC+P%i)", opcode & 7); + else if (opcode >= 0x0090 && opcode <= 0x009F) + verbose_printk("RAISE 0x%x", opcode & 0xF); + else if (opcode >= 0x00A0 && opcode <= 0x00AF) + verbose_printk("EXCPT 0x%x", opcode & 0xF); else if ((opcode >= 0x1000 && opcode <= 0x13FF) || (opcode >= 0x1800 && opcode <= 0x1BFF)) verbose_printk("IF !CC JUMP"); else if ((opcode >= 0x1400 && opcode <= 0x17ff) || (opcode >= 0x1c00 && opcode <= 0x1fff)) @@ -820,11 +832,8 @@ void show_stack(struct task_struct *task, unsigned long *stack) decode_address(buf, (unsigned int)stack); printk(KERN_NOTICE " SP: [0x%p] %s\n", stack, buf); - addr = (unsigned int *)((unsigned int)stack & ~0x3F); - /* First thing is to look for a frame pointer */ - for (addr = (unsigned int *)((unsigned int)stack & ~0xF), i = 0; - addr < endstack; addr++, i++) { + for (addr = (unsigned int *)((unsigned int)stack & ~0xF); addr < endstack; addr++) { if (*addr & 0x1) continue; ins_addr = (unsigned short *)*addr; @@ -834,7 +843,8 @@ void show_stack(struct task_struct *task, unsigned long *stack) if (fp) { /* Let's check to see if it is a frame pointer */ - while (fp >= (addr - 1) && fp < endstack && fp) + while (fp >= (addr - 1) && fp < endstack + && fp && ((unsigned int) fp & 0x3) == 0) fp = (unsigned int *)*fp; if (fp == 0 || fp == endstack) { fp = addr - 1; @@ -1052,8 +1062,9 @@ void show_regs(struct pt_regs *fp) char buf [150]; struct irqaction *action; unsigned int i; - unsigned long flags; + unsigned long flags = 0; unsigned int cpu = smp_processor_id(); + unsigned char in_atomic = (bfin_read_IPEND() & 0x10) || in_atomic(); verbose_printk(KERN_NOTICE "\n" KERN_NOTICE "SEQUENCER STATUS:\t\t%s\n", print_tainted()); verbose_printk(KERN_NOTICE " SEQSTAT: %08lx IPEND: %04lx SYSCFG: %04lx\n", @@ -1073,17 +1084,22 @@ void show_regs(struct pt_regs *fp) } verbose_printk(KERN_NOTICE " EXCAUSE : 0x%lx\n", fp->seqstat & SEQSTAT_EXCAUSE); - for (i = 6; i <= 15 ; i++) { + for (i = 2; i <= 15 ; i++) { if (fp->ipend & (1 << i)) { - decode_address(buf, bfin_read32(EVT0 + 4*i)); - verbose_printk(KERN_NOTICE " physical IVG%i asserted : %s\n", i, buf); + if (i != 4) { + decode_address(buf, bfin_read32(EVT0 + 4*i)); + verbose_printk(KERN_NOTICE " physical IVG%i asserted : %s\n", i, buf); + } else + verbose_printk(KERN_NOTICE " interrupts disabled\n"); } } /* if no interrupts are going off, don't print this out */ if (fp->ipend & ~0x3F) { for (i = 0; i < (NR_IRQS - 1); i++) { - spin_lock_irqsave(&irq_desc[i].lock, flags); + if (!in_atomic) + spin_lock_irqsave(&irq_desc[i].lock, flags); + action = irq_desc[i].action; if (!action) goto unlock; @@ -1096,7 +1112,8 @@ void show_regs(struct pt_regs *fp) } verbose_printk("\n"); unlock: - spin_unlock_irqrestore(&irq_desc[i].lock, flags); + if (!in_atomic) + spin_unlock_irqrestore(&irq_desc[i].lock, flags); } } |