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add int code to KePanic

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maksw committed 2026-05-28 21:00:04 +02:00
1 parent 6bff37746d
commit b17c9ac854
10 files changed
+112 -99
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code/kernel/ke_debug.c
+9 -7
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@@ -38,7 +38,7 @@ __declspec(dllexport) void DbgPrint(const char* fmt, ...) {
}
// KePanic
__declspec(dllexport) _Noreturn void KePanic(const char* fmt, ...) {
__declspec(dllexport) _Noreturn void KePanic(int code, const char* fmt, ...) {
// Silence! Stop the world!
_disable();
@@ -49,7 +49,9 @@ __declspec(dllexport) _Noreturn void KePanic(const char* fmt, ...) {
for (const char* p = banner; *p; p++)
PrintChar(*p, 0xFF2222, 0x000000);
// Now print the caller's message through the normal vprintf path.
// Print the panic code first, then the caller's message through the normal vprintf path.
printf("Panic code: %d\n", code);
va_list va;
va_start(va, fmt);
vprintf(fmt, va);
@@ -436,7 +438,7 @@ __declspec(dllexport) _Noreturn void KeFaultDispatchFrame(const KFAULT_FRAME* fr
PROCESS* proc = thread ? thread->Owner : (PROCESS*)0;
if (!frame || frame->Magic != 0x3146544C5541464BULL) {
KePanic("PANIC: bad KFAULT_FRAME %016llx\n",
KePanic(KE_PANIC_CODE_FAULT, "PANIC: bad KFAULT_FRAME %016llx\n",
(unsigned long long)(uintptr_t)frame);
}
@@ -445,18 +447,18 @@ __declspec(dllexport) _Noreturn void KeFaultDispatchFrame(const KFAULT_FRAME* fr
const char* name = KiFaultVectorName(vector);
if (vector == 14) {
KePanic("PANIC: %s | RIP: %016llx | Code: %04llx | CR2: %016llx\n",
KePanic(KE_PANIC_CODE_FAULT, "PANIC: %s | RIP: %016llx | Code: %04llx | CR2: %016llx\n",
name,
(unsigned long long)frame->Rip,
(unsigned long long)frame->ErrorCode,
(unsigned long long)frame->Cr2);
} else if (KiFaultHasErrorCode(vector)) {
KePanic("PANIC: %s | RIP: %016llx | Code: %04llx\n",
KePanic(KE_PANIC_CODE_FAULT, "PANIC: %s | RIP: %016llx | Code: %04llx\n",
name,
(unsigned long long)frame->Rip,
(unsigned long long)frame->ErrorCode);
} else {
KePanic("PANIC: %s | RIP: %016llx\n",
KePanic(KE_PANIC_CODE_FAULT, "PANIC: %s | RIP: %016llx\n",
name,
(unsigned long long)frame->Rip);
}
@@ -476,7 +478,7 @@ __declspec(dllexport) _Noreturn void KeFaultDispatchFrame(const KFAULT_FRAME* fr
// KeFaultDispatch - single C entry point for all three IDT fault stubs.
//
// The asm stubs (ke_syscall.asm) collect the CPU exception frame values and
// call here. We check the CS RPL to decide: kernel fault → KePanic (halt),
// call here. We check the CS RPL to decide: kernel fault → panic and halt,
// user fault → KeBugCheckProcess (kill process, resume scheduler).
// ---------------------------------------------------------------------------
__declspec(dllexport) _Noreturn void KeFaultDispatch(int vector, uintptr_t rip,