kern: src/panic.c annotate

kern

annotate src/panic.c @ 79:2dda077c1d38

silenced a warning about a missing prototype in panic.c

author	John Tsiombikas <nuclear@member.fsf.org>
date	Tue, 06 Dec 2011 12:59:38 +0200
parents	437360696883
children

rev	line source
nuclear@11	1 #include <stdio.h>
nuclear@13	2 #include <string.h>
nuclear@11	3 #include <stdarg.h>
nuclear@11	4 #include "asmops.h"
nuclear@79	5 #include "proc.h"
nuclear@11	6
nuclear@43	7 struct all_registers {
nuclear@13	8 uint32_t eax, ebx, ecx, edx;
nuclear@13	9 uint32_t esp, ebp, esi, edi;
nuclear@13	10 uint32_t eflags;
nuclear@13	11 uint32_t cs, ss, ds, es, fs, gs;
nuclear@13	12 uint32_t cr0, cr1, cr2, cr3;
nuclear@13	13 };
nuclear@13	14
nuclear@13	15 /* defined in regs.S */
nuclear@43	16 void get_regs(struct all_registers *regs);
nuclear@13	17
nuclear@11	18 void panic(const char *fmt, ...)
nuclear@11	19 {
nuclear@11	20 va_list ap;
nuclear@43	21 struct all_registers regs;
nuclear@57	22 uint32_t eip;
nuclear@13	23
nuclear@13	24 disable_intr();
nuclear@13	25
nuclear@13	26 memset(&regs, 0, sizeof regs);
nuclear@13	27 get_regs(&regs);
nuclear@11	28
nuclear@57	29 eip = get_caller_instr_ptr();
nuclear@57	30
nuclear@11	31 printf("~~~~~ kernel panic ~~~~~\n");
nuclear@11	32 va_start(ap, fmt);
nuclear@11	33 vprintf(fmt, ap);
nuclear@11	34 va_end(ap);
nuclear@11	35
nuclear@13	36 printf("\nRegisters:\n");
nuclear@13	37 printf("eax: %x, ebx: %x, ecx: %x, edx: %x\n", regs.eax, regs.ebx, regs.ecx, regs.edx);
nuclear@13	38 printf("esp: %x, ebp: %x, esi: %x, edi: %x\n", regs.esp, regs.ebp, regs.esi, regs.edi);
nuclear@57	39 printf("eip: %x, eflags: %x\n", eip, regs.eflags);
nuclear@13	40 printf("cr0: %x, cr1: %x, cr2: %x, cr3: %x\n", regs.cr0, regs.cr1, regs.cr2, regs.cr3);
nuclear@13	41 printf("cs: %x (%d\|%d)\n", regs.cs, regs.cs >> 3, regs.cs & 3);
nuclear@13	42 printf("ss: %x (%d\|%d)\n", regs.ss, regs.ss >> 3, regs.ss & 3);
nuclear@13	43 printf("ds: %x (%d\|%d)\n", regs.ds, regs.ds >> 3, regs.ds & 3);
nuclear@13	44 printf("es: %x (%d\|%d)\n", regs.es, regs.es >> 3, regs.es & 3);
nuclear@13	45 printf("fs: %x (%d\|%d)\n", regs.fs, regs.fs >> 3, regs.fs & 3);
nuclear@13	46 printf("gs: %x (%d\|%d)\n", regs.gs, regs.gs >> 3, regs.gs & 3);
nuclear@13	47
nuclear@11	48 halt_cpu();
nuclear@11	49 }