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Create and load a stack

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This commit is contained in:
Philipp Oppermann 2017-04-11 14:51:10 +02:00
parent 5ebdd89ffb
commit 9819e17a28
1 changed files with 7 additions and 0 deletions
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7
src/arch/x86_64/boot.asm
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@ -3,6 +3,8 @@ global start
section .text section .text
bits 32 bits 32
start: start:
mov esp, stack_top
; print `OK` to screen ; print `OK` to screen
mov dword [0xb8000], 0x2f4b2f4f mov dword [0xb8000], 0x2f4b2f4f
hlt hlt
@ -15,3 +17,8 @@ error:
mov dword [0xb8008], 0x4f204f20 mov dword [0xb8008], 0x4f204f20
mov byte [0xb800a], al mov byte [0xb800a], al
hlt hlt
section .bss
stack_bottom:
resb 64
stack_top: