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libkernaux/examples/bootloader-multiboot2-grub/start.S

30 lines
463 B
ArmAsm

.section .bss
.global _kernel_stack_start
.global _kernel_stack_end
.align 16
_kernel_stack_start:
.skip 16384 # 16 KiB
_kernel_stack_end:
.section .text
.global _start
.type _start, @function
.type main, @function
.type poweroff, @function
_start:
mov $_kernel_stack_end, %esp // Initialize stack
push %ebx // Multiboot information pointer
push %eax // Multiboot magic number
call main
call poweroff
.size _start, . - _start