From 9bdf60bb8841e6d86f77d89c8e8ba3eb6cc47fdf Mon Sep 17 00:00:00 2001
From: Bananymous <oskari.alaranta@bananymous.com>
Date: Wed, 8 Jul 2026 23:19:29 +0300
Subject: [PATCH] bootloader: Fix stack corruption when pressing non ascii keys

---
 bootloader/bios/command_line.S | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/bootloader/bios/command_line.S b/bootloader/bios/command_line.S
index 46b751c9..3ad5ced5 100644
--- a/bootloader/bios/command_line.S
+++ b/bootloader/bios/command_line.S
@@ -35,13 +35,13 @@ read_user_command_line:
 	cmpb $'\n', %al
 	je .read_user_command_line_done
 
-	pushw %ax
+	movb %al, %bl
 
 	call isprint
 	testb %al, %al
 	jz .read_user_command_line_loop
 
-	popw %ax
+	movb %bl, %al
 
 	# put byte to buffer
 	movb %al, (%di)