nuclear@11: #include <stdio.h>
nuclear@13: #include <string.h>
nuclear@11: #include <stdarg.h>
nuclear@11: #include "asmops.h"
nuclear@79: #include "proc.h"
nuclear@11: 
nuclear@43: struct all_registers {
nuclear@13: 	uint32_t eax, ebx, ecx, edx;
nuclear@13: 	uint32_t esp, ebp, esi, edi;
nuclear@13: 	uint32_t eflags;
nuclear@13: 	uint32_t cs, ss, ds, es, fs, gs;
nuclear@13: 	uint32_t cr0, cr1, cr2, cr3;
nuclear@13: };
nuclear@13: 
nuclear@13: /* defined in regs.S */
nuclear@43: void get_regs(struct all_registers *regs);
nuclear@13: 
nuclear@11: void panic(const char *fmt, ...)
nuclear@11: {
nuclear@11: 	va_list ap;
nuclear@43: 	struct all_registers regs;
nuclear@57: 	uint32_t eip;
nuclear@13: 
nuclear@13: 	disable_intr();
nuclear@13: 
nuclear@13: 	memset(&regs, 0, sizeof regs);
nuclear@13: 	get_regs(&regs);
nuclear@11: 
nuclear@57: 	eip = get_caller_instr_ptr();
nuclear@57: 
nuclear@11: 	printf("~~~~~ kernel panic ~~~~~\n");
nuclear@11: 	va_start(ap, fmt);
nuclear@11: 	vprintf(fmt, ap);
nuclear@11: 	va_end(ap);
nuclear@11: 
nuclear@13: 	printf("\nRegisters:\n");
nuclear@13: 	printf("eax: %x, ebx: %x, ecx: %x, edx: %x\n", regs.eax, regs.ebx, regs.ecx, regs.edx);
nuclear@13: 	printf("esp: %x, ebp: %x, esi: %x, edi: %x\n", regs.esp, regs.ebp, regs.esi, regs.edi);
nuclear@57: 	printf("eip: %x, eflags: %x\n", eip, regs.eflags);
nuclear@13: 	printf("cr0: %x, cr1: %x, cr2: %x, cr3: %x\n", regs.cr0, regs.cr1, regs.cr2, regs.cr3);
nuclear@13: 	printf("cs: %x (%d|%d)\n", regs.cs, regs.cs >> 3, regs.cs & 3);
nuclear@13: 	printf("ss: %x (%d|%d)\n", regs.ss, regs.ss >> 3, regs.ss & 3);
nuclear@13: 	printf("ds: %x (%d|%d)\n", regs.ds, regs.ds >> 3, regs.ds & 3);
nuclear@13: 	printf("es: %x (%d|%d)\n", regs.es, regs.es >> 3, regs.es & 3);
nuclear@13: 	printf("fs: %x (%d|%d)\n", regs.fs, regs.fs >> 3, regs.fs & 3);
nuclear@13: 	printf("gs: %x (%d|%d)\n", regs.gs, regs.gs >> 3, regs.gs & 3);
nuclear@13: 
nuclear@11: 	halt_cpu();
nuclear@11: }