32 lines
539 B
NASM
32 lines
539 B
NASM
;; bootstrap code from osdev.org
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MBALIGN equ 1 << 0
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MEMINFO equ 1 << 1
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FLAGS equ MBALIGN | MEMINFO
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MAGIC equ 0x1BADB002
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CHECKSUM equ -(MAGIC + FLAGS)
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section .multiboot
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align 4
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dd MAGIC
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dd FLAGS
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dd CHECKSUM
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section .bss
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align 16
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stack_bottom:
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resb 16384 ; 16 KiB stack
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stack_top:
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section .text
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global _start:function (_start.end - _start)
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_start:
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mov esp, stack_top
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extern kernel_main
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call kernel_main
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cli
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.hang: hlt
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jmp .hang
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.end:
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