From 57f2ee84a8bbfe26ed880d03aa9ca96566e6b8f3 Mon Sep 17 00:00:00 2001
From: "Chloe M." <chloe@aptel.org>
Date: Thu, 20 Aug 2026 06:50:03 +0000
Subject: boot: mbr: Link with address relative to 0x0000

Signed-off-by: Chloe M. <chloe@aptel.org>
---
 boot/arch/amd64/mbr/link.ld | 2 +-
 boot/arch/amd64/mbr/mbr.S   | 5 ++++-
 2 files changed, 5 insertions(+), 2 deletions(-)

(limited to 'boot/arch')

diff --git a/boot/arch/amd64/mbr/link.ld b/boot/arch/amd64/mbr/link.ld
index 6d25985..77ded5c 100644
--- a/boot/arch/amd64/mbr/link.ld
+++ b/boot/arch/amd64/mbr/link.ld
@@ -1,7 +1,7 @@
 OUTPUT_FORMAT(binary)
 
 SECTIONS {
-    . = 0x7C00;
+    . = 0x0000;
 
     .text : {
         *(.text)
diff --git a/boot/arch/amd64/mbr/mbr.S b/boot/arch/amd64/mbr/mbr.S
index e071a41..236f9f1 100644
--- a/boot/arch/amd64/mbr/mbr.S
+++ b/boot/arch/amd64/mbr/mbr.S
@@ -1,7 +1,10 @@
+/* Segment constants */
+#define BOOT_SEG 0x7C0      /* Segment we reside on startup */
+
     .code16
 _start:
     /* Normalize CS + other selectors */
-    ljmp $0x00,$1f
+    ljmp $BOOT_SEG,$1f
 1:  xor %ax, %ax
     mov %ax, %ds
     mov %ax, %ss
-- 
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