diff options
| author | Chloe M. <chloe@aptel.org> | 2026-08-20 06:50:03 +0000 |
|---|---|---|
| committer | Chloe M. <chloe@aptel.org> | 2026-08-20 06:50:03 +0000 |
| commit | 57f2ee84a8bbfe26ed880d03aa9ca96566e6b8f3 (patch) | |
| tree | df943c184b4a8eb82a350bcfdfe57e003921f7d1 /boot | |
| parent | e53055872e7dddaf9df51c9a3b5bf95778509fe2 (diff) | |
boot: mbr: Link with address relative to 0x0000
Signed-off-by: Chloe M. <chloe@aptel.org>
Diffstat (limited to 'boot')
| -rw-r--r-- | boot/arch/amd64/mbr/link.ld | 2 | ||||
| -rw-r--r-- | boot/arch/amd64/mbr/mbr.S | 5 |
2 files changed, 5 insertions, 2 deletions
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 |