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Add panic/stack trace display on fb for real hardware debug

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xamidev
2026-03-10 09:48:14 +01:00
parent 6fc28806e2
commit b9c77a316a
3 changed files with 36 additions and 0 deletions
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20
src/debug/panic.c
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@@ -3,6 +3,8 @@
#include "io/serial/serial.h"
#include "kernel.h"
extern struct init_status init;
void panic(struct cpu_status_t* ctx, const char* str)
{
CLEAR_INTERRUPTS;
@@ -15,6 +17,13 @@ void panic(struct cpu_status_t* ctx, const char* str)
skputc('\r');
skputc('\n');
DEBUG("\x1b[38;5;231m\x1b[48;5;196mend Kernel panic - halting...\x1b[0m");
if (init.terminal)
{
printf("\r\n\x1b[38;5;231m\x1b[48;5;196mKernel panic!!!\x1b[0m Something went horribly wrong! (no cpu ctx)");
printf("\r\n%s\r\n\x1b[38;5;231m\x1b[48;5;196mend Kernel panic - halting...\x1b[0m", str);
}
hcf();
}
DEBUG("\x1b[38;5;231m\x1b[48;5;196mKernel panic!!!\x1b[0m at rip=%p\r\nSomething went horribly wrong! (%s) vect=0x%.2x errcode=0x%x\n\rrax=%p rbx=%p rcx=%p rdx=%p\n\rrsi=%p rdi=%p r8=%p r9=%p\n\rr10=%p r11=%p r12=%p r13=%p\n\rr14=%p r15=%p\n\n\rflags=%p\n\rHalting...",
@@ -22,6 +31,17 @@ void panic(struct cpu_status_t* ctx, const char* str)
str,
ctx->vector_number, ctx->error_code, ctx->rax, ctx->rbx, ctx->rcx, ctx->rdx, ctx->rsi, ctx->rdi,
ctx->r8, ctx->r9, ctx->r10, ctx->r11, ctx->r12, ctx->r13, ctx->r14, ctx->r15, ctx->iret_flags);
if (init.terminal)
{
printf("\r\n\x1b[38;5;231m\x1b[48;5;196mKernel panic!!!\x1b[0m at rip=%p\r\nSomething went horribly wrong! (%s) vect=0x%.2x errcode=0x%x\n\rrax=%p rbx=%p rcx=%p rdx=%p\n\rrsi=%p rdi=%p r8=%p r9=%p\n\rr10=%p r11=%p r12=%p r13=%p\n\rr14=%p r15=%p\n\n\rflags=%p\n\rHalting...",
ctx->iret_rip,
str,
ctx->vector_number, ctx->error_code, ctx->rax, ctx->rbx, ctx->rcx, ctx->rdx, ctx->rsi, ctx->rdi,
ctx->r8, ctx->r9, ctx->r10, ctx->r11, ctx->r12, ctx->r13, ctx->r14, ctx->r15, ctx->iret_flags);
}
debug_stack_trace(100);
hcf();
}