x86: Add stack dump to register dump
authorGraeme Russ <graeme.russ@gmail.com>
Sat, 12 Feb 2011 04:11:28 +0000 (15:11 +1100)
committerGraeme Russ <graeme.russ@gmail.com>
Sat, 12 Feb 2011 04:11:28 +0000 (15:11 +1100)
arch/i386/cpu/interrupts.c

index e4d0868cde39cb2b783f04635e01a2d679088b81..cdff3d934d6a7094bf6d5c105c09e059ccb36822 100644 (file)
@@ -29,6 +29,7 @@
 
 #include <common.h>
 #include <asm/interrupt.h>
+#include <asm/io.h>
 
 #define DECLARE_INTERRUPT(x) \
        ".globl irq_"#x"\n" \
@@ -108,6 +109,7 @@ void dump_regs(struct irq_regs *regs)
 {
        unsigned long cr0 = 0L, cr2 = 0L, cr3 = 0L, cr4 = 0L;
        unsigned long d0, d1, d2, d3, d6, d7;
+       unsigned long sp;
 
        printf("EIP: %04x:[<%08lx>] EFLAGS: %08lx\n",
                        (u16)regs->xcs, regs->eip, regs->eflags);
@@ -139,6 +141,20 @@ void dump_regs(struct irq_regs *regs)
        d7 = get_debugreg(7);
        printf("DR6: %08lx DR7: %08lx\n",
                        d6, d7);
+
+       printf("Stack:\n");
+       sp = regs->esp;
+
+       sp += 64;
+
+       while (sp > (regs->esp - 16)) {
+               if (sp == regs->esp)
+                       printf("--->");
+               else
+                       printf("    ");
+               printf("0x%8.8lx : 0x%8.8lx\n", sp, (ulong)readl(sp));
+               sp -= 4;
+       }
 }
 
 struct idt_entry {