Add page fault handler that does nothing, I am tired

2025-02-22 05:00:18 +00:00
parent 2b2219f5be
commit 40ad5dbbf4
3 changed files with 71 additions and 4 deletions
@@ -1,7 +1,8 @@
 use lib_ascii::println_log;
 use lib_serial::serial_println;
 use x86_64::instructions::port::Port;
-use x86_64::structures::idt::{InterruptDescriptorTable, InterruptStackFrame};
+use x86_64::registers::control::Cr2;
+use x86_64::structures::idt::{InterruptDescriptorTable, InterruptStackFrame, PageFaultErrorCode};

 use pic8259::ChainedPics;
 use spin::{Lazy, Mutex};
@@ -12,6 +13,7 @@ static IDT: Lazy<InterruptDescriptorTable> = Lazy::new(|| {
    idt.double_fault.set_handler_fn(double_fault_handler);
    idt.general_protection_fault
        .set_handler_fn(general_protection_fault_handler);
+    idt.page_fault.set_handler_fn(page_fault_handler);

    idt[InterruptIndex::Timer.as_u8()].set_handler_fn(timer_interrupt_handler);
    idt[InterruptIndex::Keyboard.as_u8()].set_handler_fn(keyboard_interrupt_handler);
@@ -85,3 +87,15 @@ extern "x86-interrupt" fn timer_interrupt_handler(_stack_frame: InterruptStackFr
            .notify_end_of_interrupt(InterruptIndex::Timer.as_u8());
    }
 }
+
+extern "x86-interrupt" fn page_fault_handler(
+    stack_frame: InterruptStackFrame,
+    error_code: PageFaultErrorCode,
+) {
+    serial_println!("Exception: Page Fault");
+    serial_println!("Accessed Address: {:?}", Cr2::read());
+    serial_println!("Error Code: {:?}", error_code);
+    serial_println!("{:#?}", stack_frame);
+
+    crate::hcf();
+}