refactor exception code into interrupts.rs

src/main.rs

@@ -1,4 +1,3 @@
-#![feature(abi_x86_interrupt)]
 #![no_std] // don't link the Rust standard library
 #![cfg_attr(not(test), no_main)] // disable all Rust-level entry points
 #![cfg_attr(test, allow(dead_code, unused_macros, unused_imports))]
@@ -19,7 +18,7 @@ pub extern "C" fn _start() -> ! {
     println!("Hello World{}", "!");
 
     blog_os::gdt::init();
-    init_idt();
+    blog_os::interrupts::init_idt();
 
     fn stack_overflow() {
         stack_overflow(); // for each recursion, the return address is pushed
@@ -39,35 +38,3 @@ fn panic(info: &PanicInfo) -> ! {
     println!("{}", info);
     loop {}
 }
-
-use x86_64::structures::idt::{ExceptionStackFrame, InterruptDescriptorTable};
-
-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(blog_os::gdt::DOUBLE_FAULT_IST_INDEX);
-        }
-
-        idt
-    };
-}
-
-pub fn init_idt() {
-    IDT.load();
-}
-
-extern "x86-interrupt" fn breakpoint_handler(stack_frame: &mut ExceptionStackFrame) {
-    println!("EXCEPTION: BREAKPOINT\n{:#?}", stack_frame);
-}
-
-extern "x86-interrupt" fn double_fault_handler(
-    stack_frame: &mut ExceptionStackFrame,
-    _error_code: u64,
-) {
-    println!("EXCEPTION: DOUBLE FAULT\n{:#?}", stack_frame);
-    loop {}
-}