From ff838b7e1a789719e49dd12e082733dd62095ed1 Mon Sep 17 00:00:00 2001
From: mrgian <mail@gian.im>
Date: Wed, 29 Mar 2023 14:34:11 +0200
Subject: [PATCH] Fix isr return

---
 kernel/src/idt.rs  |  4 ++--
 kernel/src/main.rs | 10 +++++-----
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/kernel/src/idt.rs b/kernel/src/idt.rs
index bacfd4d..041ee32 100644
--- a/kernel/src/idt.rs
+++ b/kernel/src/idt.rs
@@ -129,14 +129,14 @@ pub extern "C" fn exception_handler(int: u32) {
 #[naked]
 pub extern "C" fn div_error() {
     unsafe {
-        asm!("iret", options(noreturn));
+        asm!("push 0x00", "call exception_handler","add esp, 4","iretd", options(noreturn));
     }
 }
 
 #[naked]
 pub extern "C" fn invalid_opcode() {
     unsafe {
-        asm!("push 0x06", "call exception_handler", "iret", options(noreturn));
+        asm!("push 0x06", "call exception_handler", "add esp, 4","iretd", options(noreturn));
     }
 }
 
diff --git a/kernel/src/main.rs b/kernel/src/main.rs
index dd02354..c3a6b53 100644
--- a/kernel/src/main.rs
+++ b/kernel/src/main.rs
@@ -46,14 +46,14 @@ pub extern "C" fn _start() -> ! {
     IDT.load();
 
     //generates invalid opcode exception
-    /*unsafe {
-        asm!("ud2");
-    }*/
+    unsafe {
+        asm!("int 0x0");
+    }
 
     //generates division error exception
-    unsafe {
+    /*unsafe {
         asm!("div bl", in("al") 0x00 as u8, in("bl") 0x00 as u8);
-    }
+    }*/
 
     println!("Not crashed!");