os/boot.s

30 lines
471 B
ArmAsm
Raw Normal View History

2024-05-25 19:20:33 +03:00
.set ALIGN, 1<<0
.set MEMINFO, 1<<1
.set FLAGS, ALIGN | MEMINFO
.set MAGIC, 0x1BADB002 /* multiboot 1 */
.set CHECKSUM, -(MAGIC + FLAGS)
.section .multiboot
.align 4
.long MAGIC
.long FLAGS
.long CHECKSUM
.section .stack, "aw", @nobits
.global stack_top
stack_bottom:
.skip 16384
stack_top:
.section .text
.global _start
.type _start, @function
_start:
movl $stack_top, %esp
push %ebx
call kernel_main
1:
jmp 1b