Merge branch 'fix/hda' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6

[linux-2.6-omap-h63xx.git] / arch / blackfin / kernel / traps.c

diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c
index 5b0667da8d05ef3256c3b403111075028ef31bb7..ffe7fb53eccbdaccd344fbe27029fdc5bba12b14 100644 (file)
--- 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);
                }
        }