Files
Astral/src/arch/x86_64/panic.c
T
2022-07-27 22:27:12 -03:00

43 lines
1.1 KiB
C

#include <arch/panic.h>
#include <arch/regs.h>
#include <stdio.h>
#include <stddef.h>
#define TRACE_MAXDEPTH 10
static void tracestack(uint64_t** addr){
for(size_t depth = 0; depth < TRACE_MAXDEPTH; ++depth){
uint64_t *calleeaddr = *(addr + 1);
addr = (uint64_t**)*addr;
printf("%lu: %p\n", depth, calleeaddr);
if(depth == TRACE_MAXDEPTH || calleeaddr == 0) break;
}
}
__attribute((noreturn)) void _panic(char* reason, arch_regserror *reg){
printf("PANIC: %s.\n", reason);
if(reg){
printf("Register dump:\nRAX: %p RBX: %p RCX: %p RDX: %p R8: %p R9: %p R10: %p R11: %p R12: %p R13: %p R14: %p R15: %p RDI: %p RSP: %p RBP: %p DS: %p ES: %p FS: %p GS: %p CR2: %p ERR: %p RIP: %p CS: %p RFLAGS: %p SS: %p\n",
reg->rax, reg->rbx, reg->rcx, reg->rdx, reg->r8, reg->r9, reg->r10,
reg->r11, reg->r12, reg->r13, reg->r14, reg->r15, reg->rdi, reg->rsp, reg->rbp, reg->ds, reg->es, reg->fs, reg->gs, reg->cr2, reg->error, reg->rip, reg->cs, reg->rflags, reg->ss
);
printf("Panic location: %p\n", reg->rip);
printf("Stack trace:\n");
tracestack((uint64_t**)reg->rbp);
}
while(1){
asm("cli;hlt;");
}
}