From 9448b0e025ff4241c68e9ffeeb28093726c7bf32 Mon Sep 17 00:00:00 2001
From: Philipp Oppermann <dev@phil-opp.com>
Date: Fri, 25 Jan 2019 13:49:09 +0100
Subject: [PATCH] Create a new IDT

---
 src/interrupts.rs | 8 +++++++-
 src/lib.rs        | 1 +
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/interrupts.rs b/src/interrupts.rs
index f9b98fd9..0be9ec40 100644
--- a/src/interrupts.rs
+++ b/src/interrupts.rs
@@ -1,5 +1,11 @@
-use x86_64::structures::idt::InterruptDescriptorTable;
+use crate::println;
+use x86_64::structures::idt::{ExceptionStackFrame, InterruptDescriptorTable};
 
 pub fn init_idt() {
     let mut idt = InterruptDescriptorTable::new();
+    idt.breakpoint.set_handler_fn(breakpoint_handler);
+}
+
+extern "x86-interrupt" fn breakpoint_handler(stack_frame: &mut ExceptionStackFrame) {
+    println!("EXCEPTION: BREAKPOINT\n{:#?}", stack_frame);
 }
diff --git a/src/lib.rs b/src/lib.rs
index 2bb61615..562de39e 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,4 +1,5 @@
 #![cfg_attr(not(test), no_std)]
+#![feature(abi_x86_interrupt)]
 
 pub mod interrupts;
 pub mod serial;