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| author | Gunnar Beutner <gbeutner@serenityos.org> | 2021-06-24 13:00:17 +0200 |
|---|---|---|
| committer | Andreas Kling <kling@serenityos.org> | 2021-06-25 15:19:09 +0200 |
| commit | 13e4093da4e94e2a5bb5576fa8d3faedaa78dd46 (patch) | |
| tree | f78f0de1e62379594c40da827587949ca29363a0 /Kernel/Arch/x86/common | |
| parent | 19c0498ccc635ae9e9cc9f574588f12c5636738a (diff) | |
| download | serenity-13e4093da4e94e2a5bb5576fa8d3faedaa78dd46.zip | |
Kernel: Move Multiboot header into a separate file
Diffstat (limited to 'Kernel/Arch/x86/common')
| -rw-r--r-- | Kernel/Arch/x86/common/Boot/multiboot.S | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/Kernel/Arch/x86/common/Boot/multiboot.S b/Kernel/Arch/x86/common/Boot/multiboot.S new file mode 100644 index 0000000000..1d43fa799b --- /dev/null +++ b/Kernel/Arch/x86/common/Boot/multiboot.S @@ -0,0 +1,28 @@ +.code32 +.set MULTIBOOT_MAGIC, 0x1badb002 +.set MULTIBOOT_PAGE_ALIGN, 0x1 +.set MULTIBOOT_MEMORY_INFO, 0x2 +.set MULTIBOOT_VIDEO_MODE, 0x4 +.set multiboot_flags, MULTIBOOT_PAGE_ALIGN | MULTIBOOT_MEMORY_INFO +.set multiboot_checksum, -(MULTIBOOT_MAGIC + multiboot_flags) + +.section .multiboot, "a" +.align 4 + +.long MULTIBOOT_MAGIC +.long multiboot_flags +.long multiboot_checksum + + +/* for MULTIBOOT_MEMORY_INFO */ +.long 0x00000000 /* header_addr */ +.long 0x00000000 /* load_addr */ +.long 0x00000000 /* load_end_addr */ +.long 0x00000000 /* bss_end_addr */ +.long 0x00000000 /* entry_addr */ + +/* for MULTIBOOT_VIDEO_MODE */ +.long 0x00000000 /* mode_type */ +.long 1280 /* width */ +.long 1024 /* height */ +.long 32 /* depth */ |