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| author | Your Name <you@example.com> | 2020-06-22 17:06:46 +0200 |
|---|---|---|
| committer | Your Name <you@example.com> | 2020-06-22 17:06:46 +0200 |
| commit | 6bacc4f30752e49733d6efb219d58eb4745a49a9 (patch) | |
| tree | b1459f86e5b5b0c2ad2fe81e1b96ad588de463d7 /src/bootloader/boot.s | |
| download | pOS-6bacc4f30752e49733d6efb219d58eb4745a49a9.tar.gz pOS-6bacc4f30752e49733d6efb219d58eb4745a49a9.tar.bz2 pOS-6bacc4f30752e49733d6efb219d58eb4745a49a9.zip | |
Git commit clean
Diffstat (limited to 'src/bootloader/boot.s')
| -rw-r--r-- | src/bootloader/boot.s | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/bootloader/boot.s b/src/bootloader/boot.s new file mode 100644 index 0000000..0bb10d5 --- /dev/null +++ b/src/bootloader/boot.s @@ -0,0 +1,33 @@ +; Multiboot header +MBALIGN equ 1 << 0 +MEMINFO equ 1 << 1 +FLAGS equ MBALIGN | MEMINFO +MAGIC equ 0x1BADB002 +CHECKSUM equ -(MAGIC + FLAGS) + +section .multiboot +align 4 + dd MAGIC + dd FLAGS + dd CHECKSUM + +; Setup stack +section .bss +align 16 +stack_bottom: +resb 16384 ; 16 KiB +stack_top: + +section .text +global _start:function (_start.end - _start) +_start: + ; Initialize stack + mov esp, stack_top + + extern kmain + call kmain + + cli +.inf: hlt + jmp .inf +.end: |