From 7a8c767cea1255c34e01425dd8bf53f4f7cca0cd Mon Sep 17 00:00:00 2001
From: Elekrisk <einar.vilhelm.persson@gmail.com>
Date: Wed, 5 May 2021 01:18:19 +0200
Subject: [PATCH] Change register from bx to ax in stage_4

This changes the register used when setting the stack segment in stage_4 from bx to ax.
The register bx is reserved by LLVM.
---
 src/bin/bios.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/bin/bios.rs b/src/bin/bios.rs
index 557f71d1..c39c45f2 100644
--- a/src/bin/bios.rs
+++ b/src/bin/bios.rs
@@ -51,8 +51,8 @@ extern "C" {
 pub unsafe extern "C" fn stage_4() -> ! {
     // Set stack segment
     asm!(
-        "mov bx, 0x0; mov ss, bx",
-        out("bx") _,
+        "mov ax, 0x0; mov ss, ax",
+        out("ax") _,
     );
 
     let kernel_start = 0x400000;