1.1 --- a/src/panic.c	Tue Feb 22 18:51:44 2011 +0200
     1.2 +++ b/src/panic.c	Wed Feb 23 00:12:36 2011 +0200
     1.3 @@ -1,16 +1,45 @@
     1.4  #include <stdio.h>
     1.5 +#include <string.h>
     1.6  #include <stdarg.h>
     1.7  #include "asmops.h"
     1.8  
     1.9 +struct registers {
    1.10 +	uint32_t eax, ebx, ecx, edx;
    1.11 +	uint32_t esp, ebp, esi, edi;
    1.12 +	uint32_t eflags;
    1.13 +	uint32_t cs, ss, ds, es, fs, gs;
    1.14 +	uint32_t cr0, cr1, cr2, cr3;
    1.15 +};
    1.16 +
    1.17 +/* defined in regs.S */
    1.18 +void get_regs(struct registers *regs);
    1.19 +
    1.20  void panic(const char *fmt, ...)
    1.21  {
    1.22  	va_list ap;
    1.23 +	struct registers regs;
    1.24 +
    1.25 +	disable_intr();
    1.26 +
    1.27 +	memset(&regs, 0, sizeof regs);
    1.28 +	get_regs(&regs);
    1.29  
    1.30  	printf("~~~~~ kernel panic ~~~~~\n");
    1.31  	va_start(ap, fmt);
    1.32  	vprintf(fmt, ap);
    1.33  	va_end(ap);
    1.34  
    1.35 -	disable_intr();
    1.36 +	printf("\nRegisters:\n");
    1.37 +	printf("eax: %x, ebx: %x, ecx: %x, edx: %x\n", regs.eax, regs.ebx, regs.ecx, regs.edx);
    1.38 +	printf("esp: %x, ebp: %x, esi: %x, edi: %x\n", regs.esp, regs.ebp, regs.esi, regs.edi);
    1.39 +	printf("eflags: %x\n", regs.eflags);
    1.40 +	printf("cr0: %x, cr1: %x, cr2: %x, cr3: %x\n", regs.cr0, regs.cr1, regs.cr2, regs.cr3);
    1.41 +	printf("cs: %x (%d|%d)\n", regs.cs, regs.cs >> 3, regs.cs & 3);
    1.42 +	printf("ss: %x (%d|%d)\n", regs.ss, regs.ss >> 3, regs.ss & 3);
    1.43 +	printf("ds: %x (%d|%d)\n", regs.ds, regs.ds >> 3, regs.ds & 3);
    1.44 +	printf("es: %x (%d|%d)\n", regs.es, regs.es >> 3, regs.es & 3);
    1.45 +	printf("fs: %x (%d|%d)\n", regs.fs, regs.fs >> 3, regs.fs & 3);
    1.46 +	printf("gs: %x (%d|%d)\n", regs.gs, regs.gs >> 3, regs.gs & 3);
    1.47 +
    1.48  	halt_cpu();
    1.49  }