From 93aff8cfa8fd5ae868351a33a618ec2891a073dc Mon Sep 17 00:00:00 2001
From: Philipp Oppermann <dev@phil-opp.com>
Date: Tue, 18 Apr 2017 15:17:43 +0200
Subject: [PATCH] Test our exception handler by invoking a breakpoint exception

---
 src/lib.rs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index 8377011..90b4512 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -48,12 +48,17 @@ pub extern "C" fn rust_main(multiboot_information_address: usize) {
         HEAP_ALLOCATOR.lock().init(HEAP_START, HEAP_START + HEAP_SIZE);
     }
 
+    // initialize our IDT
+    interrupts::init();
+
     for i in 0..10000 {
         format!("Some String");
     }
 
-    println!("It did not crash!");
+    // invoke a breakpoint exception
+    x86_64::instructions::interrupts::int3();
 
+    println!("It did not crash!");
     loop {}
 }