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made the jump to ring 3

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slinky55
2026-06-16 21:53:38 -04:00
parent 171cbd21bc
commit 0cb7311911
4 changed files with 35 additions and 278 deletions
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10
kernel/interrupts.c
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@@ -49,13 +49,13 @@ void common_interrupt_handler(struct registers *args) {
uint32_t faulting_address;
asm volatile("mov %%cr2, %0" : "=r"(faulting_address));
kprintf("\n--- PAGE FAULT ---\n");
kprintf("Faulting Virtual Address (CR2): 0x%x\n", faulting_address);
kprintf("Faulted Virtual Address: 0x%x\n", faulting_address);
kprintf("Error Code: 0x%x\n", args->error_code);
kprintf("Instruction Pointer (EIP): 0x%x\n", args->eip);
kprintf("Instruction Pointer: 0x%x\n", args->eip);
kprintf("Caused by: %s, %s, running in %s mode\n",
(args->error_code & 0x01) ? "Page protection violation" : "Non-present page",
(args->error_code & 0x02) ? "Write operation" : "Read operation",
(args->error_code & 0x04) ? "User (Ring 3)" : "Supervisor (Ring 0)");
(args->error_code & 0x01) ? "Protection Violation" : "Page Not Present",
(args->error_code & 0x02) ? "Write" : "Read",
(args->error_code & 0x04) ? "User" : "Supervisor");
while(1);
break;
}