From 6d606dbd3d39e7a1dc1315822f8b8e57f9e44992 Mon Sep 17 00:00:00 2001
From: "Chloe M." <chloe@aptel.org>
Date: Thu, 20 Aug 2026 07:10:18 +0000
Subject: boot/amd64: mbr: Save drive and set stack

Signed-off-by: Chloe M. <chloe@aptel.org>
---
 boot/arch/amd64/mbr/mbr.S | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/boot/arch/amd64/mbr/mbr.S b/boot/arch/amd64/mbr/mbr.S
index 4c8c993..fa33707 100644
--- a/boot/arch/amd64/mbr/mbr.S
+++ b/boot/arch/amd64/mbr/mbr.S
@@ -28,12 +28,19 @@ _start:
 
     /* Jump to our relocated self */
     ljmp $BOOT_RELOC_SEG,$reloc
-
 reloc:
+    /* Save the drive number */
+    mov %dl, drive_num
+
+    /* Set our stack */
+    mov $0x7C00, %sp
+
     cli
     hlt
     jmp reloc
 
+drive_num: .byte 0x00
+
     .org 510
     .byte 0x55
     .byte 0xAA
-- 
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