Breakpoint interrupt
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@ -1,6 +1,20 @@
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use lazy_static::lazy_static;
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use x86_64::structures::idt::{InterruptStackFrame, InterruptDescriptorTable};
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use crate::println;
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use x86_64::structures::idt::InterruptDescriptorTable;
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lazy_static! {
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static ref IDT: InterruptDescriptorTable = {
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let mut idt = InterruptDescriptorTable::new();
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idt.breakpoint.set_handler_fn(breakpoint_handler);
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idt
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};
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}
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pub fn init_idt() {
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let mut idt = InterruptDescriptorTable::new();
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IDT.load();
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}
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extern "x86-interrupt" fn breakpoint_handler(stack_frame: &mut InterruptStackFrame) {
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println!("EXCEPTION - BREAKPOINT\n{:#?}", stack_frame);
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}
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11
src/main.rs
11
src/main.rs
@ -1,3 +1,4 @@
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#![feature(abi_x86_interrupt)]
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#![no_std]
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#![no_main]
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@ -13,10 +14,18 @@ fn panic(info: &PanicInfo) -> !{
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loop {}
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}
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pub fn init() {
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interrupts::init_idt();
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}
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#[no_mangle]
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pub extern "C" fn _start() -> ! {
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init();
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x86_64::instructions::interrupts::int3();
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println!("Gamarjoba, munde: {}", 1);
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panic!("A bad thing happened");
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//panic!("A bad thing happened");
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loop {}
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}
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