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adds some more exception stuff

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Nathan Singer
2025-06-06 12:58:54 -04:00
parent a0749400f5
commit 378f7ef23d
1 changed files with 13 additions and 0 deletions
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13
kernel/arch/idt/idt.c
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@ -108,6 +108,16 @@ static void examine_page_fault(uint32_t error_code)
#undef PF_SS #undef PF_SS
#undef PF_SGX #undef PF_SGX
static void dump_cpu_state(struct cpu_state cpu, struct stack_state stack)
{
kinfo("DUMPING CPU STATE");
printf("eax: %2\nebx: %2\necx: %2\nedx: %2\nesi: %2\nedi: %22\nebp: %2\n",
cpu.eax, cpu.ebx, cpu.ecx, cpu.edx, cpu.esi, cpu.edi, cpu.ebp);
kinfo("DUMPING STACK STATE FOR INTERRUPT");
printf("eip: %2\ncs: %2\neflags: %2\n",
stack.eip, stack.cs, stack.eflags);
}
#define EXCEPTION_LOCATION() printf("Exception occurred at 0x%2\n", stack.eip) #define EXCEPTION_LOCATION() printf("Exception occurred at 0x%2\n", stack.eip)
void exception_handler(struct cpu_state __attribute__((unused)) cpu, uint32_t interrupt, struct stack_state stack) void exception_handler(struct cpu_state __attribute__((unused)) cpu, uint32_t interrupt, struct stack_state stack)
@ -229,6 +239,9 @@ void exception_handler(struct cpu_state __attribute__((unused)) cpu, uint32_t in
default: default:
kerror("EXCEPTION: UNHANDLED EXCEPTION OR INTERRUPT"); kerror("EXCEPTION: UNHANDLED EXCEPTION OR INTERRUPT");
printf("Error code: 0x%2\n", stack.error_code); printf("Error code: 0x%2\n", stack.error_code);
dump_cpu_state(cpu, stack);
// TODO i would love to track spurious interrupts as well, would be useful to dump their state and specify that its spurious (if possible)
break; break;
} }
} }