forked from AbleOS/ableos
interrupts: page fault handler
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346d3a9166
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@ -12,7 +12,7 @@ use pic8259::ChainedPics;
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use qrcode::QrCode;
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use qrcode::QrCode;
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use seq_macro::seq;
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use seq_macro::seq;
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use spin::Lazy;
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use spin::Lazy;
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use x86_64::structures::idt::{InterruptDescriptorTable, InterruptStackFrame};
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use x86_64::{structures::idt::{InterruptDescriptorTable, InterruptStackFrame, PageFaultErrorCode}, registers::control::Cr2};
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use super::sloop;
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use super::sloop;
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@ -56,6 +56,7 @@ static IDT: Lazy<InterruptDescriptorTable> = Lazy::new(|| {
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});
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});
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idt.breakpoint.set_handler_fn(breakpoint_handler);
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idt.breakpoint.set_handler_fn(breakpoint_handler);
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idt.page_fault.set_handler_fn(page_fault_handler);
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unsafe {
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unsafe {
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idt.double_fault
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idt.double_fault
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.set_handler_fn(double_fault_handler)
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.set_handler_fn(double_fault_handler)
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@ -93,13 +94,22 @@ extern "x86-interrupt" fn breakpoint_handler(stack_frame: InterruptStackFrame) {
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trace!("EXCEPTION: BREAKPOINT\n{:#?}", stack_frame);
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trace!("EXCEPTION: BREAKPOINT\n{:#?}", stack_frame);
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}
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}
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extern "x86-interrupt" fn page_fault_handler(
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stack_frame: InterruptStackFrame,
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error_code: PageFaultErrorCode
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) {
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error!("EXCEPTION: PAGE FAULT {error_code:?}\n{:#?}", stack_frame);
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trace!("CR2: {:x}", Cr2::read_raw());
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loop {}
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}
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extern "x86-interrupt" fn double_fault_handler(
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extern "x86-interrupt" fn double_fault_handler(
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stack_frame: InterruptStackFrame,
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stack_frame: InterruptStackFrame,
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// NOTE(able): ignore this always is 0
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// NOTE(able): ignore this always is 0
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_error_code: u64,
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_error_code: u64,
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) -> ! {
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) -> ! {
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bsod(BSODSource::DoubleFault(&stack_frame));
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// bsod(BSODSource::DoubleFault(&stack_frame));
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// panic!("EXCEPTION: DOUBLE FAULT\n{:#?}", stack_frame);
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panic!("EXCEPTION: DOUBLE FAULT\n{:#?}", stack_frame);
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}
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}
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/* SAFETY
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/* SAFETY
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