rust-operating-system/src/interrupts.rs

27 lines
788 B
Rust

use lazy_static::lazy_static;
use x86_64::structures::idt::{InterruptDescriptorTable, InterruptStackFrame};
lazy_static! {
static ref IDT: InterruptDescriptorTable = {
let mut idt = InterruptDescriptorTable::new();
idt.breakpoint.set_handler_fn(breakpoint_handler);
idt.double_fault.set_handler_fn(double_fault_handler);
idt
};
}
pub fn init_idt() {
IDT.load();
}
extern "x86-interrupt" fn breakpoint_handler(stack_frame: InterruptStackFrame) {
println!("EXCEPTION: Breakpoint\n{:#?}", stack_frame);
}
// The error code of the double-fault handler is always 0
extern "x86-interrupt" fn double_fault_handler(
stack_frame: InterruptStackFrame,
_error_code: u64,
) -> ! {
panic!("Exception: Double fault\n{:#?}", stack_frame)
}