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| author | Felix Morgner <felix.morgner@ost.ch> | 2023-10-11 10:24:38 +0200 |
|---|---|---|
| committer | Felix Morgner <felix.morgner@ost.ch> | 2023-10-11 10:24:38 +0200 |
| commit | f47bee5f51a73593d3594940663f56f2427f480b (patch) | |
| tree | 202f03086a7ee8d7d55d090c3a822c53a98b7d90 | |
| parent | 649eb315d2b629166263e5655609518fc8da528f (diff) | |
| download | teachos-f47bee5f51a73593d3594940663f56f2427f480b.tar.xz teachos-f47bee5f51a73593d3594940663f56f2427f480b.zip | |
x86_64: multiboot: fix header and tag alignment
| -rw-r--r-- | source/boot/arch/x86_64/src/multiboot.s | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/source/boot/arch/x86_64/src/multiboot.s b/source/boot/arch/x86_64/src/multiboot.s index 207a639..7ccca56 100644 --- a/source/boot/arch/x86_64/src/multiboot.s +++ b/source/boot/arch/x86_64/src/multiboot.s @@ -1,5 +1,5 @@ .section .boot_mbh, "a" -.align 64 +.align 8 multiboot_header_start: .Lmagic: @@ -10,8 +10,17 @@ multiboot_header_start: .long multiboot_header_end - multiboot_header_start .Lchecksum: .long 0x100000000 - (0xe85250d6 + 0 + (multiboot_header_end - multiboot_header_start)) -.Lend: - .int 0 - .int 0 - .long 8 +.align 8 +.Lflags_start: + .word 4 + .word 1 + .long .Lflags_end - .Lflags_start + .long 3 +.Lflags_end: +.align 8 +.Lend_start: + .word 0 + .word 0 + .long .Lend_end - .Lend_start +.Lend_end: multiboot_header_end: |