Add: kernel panic fault handler & dumps

This commit is contained in:
xamidev
2024-07-15 18:45:52 +02:00
parent c45c9b3b32
commit 124d88f7b7
5 changed files with 2 additions and 51 deletions

50
<
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@@ -1,50 +0,0 @@
#include "stdio.h"
#include "serial.h"
#include "gdt.h"
#include "idt.h"
#include "system.h"
int kmain(int retvalue)
{
gdt_install();
idt_install();
isr_install();
// serial testing
init_serial();
log("serial connection established", 3);
log("initialized GDT entries", 2);
log("kernel started", 2);
log("initialized IDT", 2);
log("initialized ISRs", 3);
clear();
// printf testing
// TODO: Framebuffer upgrade: color output
int age = 34;
int problems = 124;
char* name = "xamidev";
printf("Hello %s, you are %d years old and have %d problems. wow %%\n", name, age, problems);
long suchwow = 2934342;
char character = 65;
printf("such number %u\nsuch character %c", suchwow, character);
printf("wow negative %d\n", -3742);
printf("such hex %x %X\n", 0xcafe, 0xdeadbeef);
printf("such pointer %p\n", (void*)0xcafe1234);
// Div by zero exception
printf("Lalala, what a beautiful day! %d", 4/0);
return retvalue;
}

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3
isr.c
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@@ -111,7 +111,8 @@ void fault_handler(struct regs *r)
{
if (r->int_no < 32)
{
printf("%s Exception. Halting!\n", exception_messages[r->int_no]);
printf("\n\n*** [Kernel panic - %s Exception] ***\nInterrupt error code %u\nedi: %x esi: %u ebp: %u esp: %u\nebx: %u edx: %u ecx: %u eax: %u\neip: %x cs:%x eflags: %x ss: %x\ngs: %x fs: %x es: %x ds: %x\nHalting!\n", exception_messages[r->int_no], r->err_code, r->edi, r->esi, r->ebp, r->esp, r->ebx, r->edx, r->ecx, r->eax, r->eip, r->cs, r->eflags, r->ss, r->gs, r->fs, r->es, r->ds);
for (;;);
}
}

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os.iso

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