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Double Faults

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This commit is contained in:
Sainnhe Park
2022-01-10 17:45:04 +08:00
parent 70099da497
commit a3bc614725
6 changed files with 122 additions and 0 deletions
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9
src/interrupts.rs
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@@ -1,11 +1,16 @@
use x86_64::structures::idt::{InterruptDescriptorTable, InterruptStackFrame};
use crate::println;
use lazy_static::lazy_static;
use crate::gdt;
lazy_static! {
static ref IDT: InterruptDescriptorTable = {
let mut idt = InterruptDescriptorTable::new();
idt.breakpoint.set_handler_fn(breakpoint_handler);
unsafe {
idt.double_fault.set_handler_fn(double_fault_handler)
.set_stack_index(gdt::DOUBLE_FAULT_IST_INDEX);
}
idt
};
}
@@ -17,3 +22,7 @@ pub fn init_idt() {
extern "x86-interrupt" fn breakpoint_handler(stack_frame: InterruptStackFrame) {
println!("EXCEPTION: BREAKPOINT\n{:#?}", stack_frame);
}
extern "x86-interrupt" fn double_fault_handler(stack_frame: InterruptStackFrame, _error_code: u64) -> ! {
panic!("EXCEPTION: DOUBLE FAULT\n{:#?}", stack_frame);
}