mirror of
https://github.com/tailix/kernel.git
synced 2024-12-04 11:34:42 -05:00
43 lines
794 B
ArmAsm
43 lines
794 B
ArmAsm
.set MULTIBOOT_MAGIC, 0xE85250D6
|
|
.set MULTIBOOT_ARCH, 0
|
|
.set MULTIBOOT_LENGTH, 16 + 8
|
|
.set MULTIBOOT_CHECKSUM, -(MULTIBOOT_MAGIC + MULTIBOOT_ARCH + MULTIBOOT_LENGTH)
|
|
|
|
.section .multiboot
|
|
.align 4
|
|
.long MULTIBOOT_MAGIC
|
|
.long MULTIBOOT_ARCH
|
|
.long MULTIBOOT_LENGTH
|
|
.long MULTIBOOT_CHECKSUM
|
|
.long 0
|
|
.long 8
|
|
|
|
.section .bss
|
|
.align 16
|
|
.skip 16384 # 16 KiB
|
|
_kernel_stack_top:
|
|
|
|
.global _kernel_stack_top
|
|
|
|
.section .text
|
|
|
|
.global _start
|
|
|
|
.type _start, @function
|
|
.type halt, @function
|
|
|
|
_start:
|
|
mov $_kernel_stack_top, %esp // Initialize stack
|
|
|
|
push %ebx // Multiboot information pointer
|
|
push %eax // Multiboot magic number
|
|
call main
|
|
|
|
mov $_kernel_stack_top, %esp // Initialize stack
|
|
|
|
push %eax // Kernel information pointer
|
|
call init
|
|
|
|
call halt
|
|
|
|
.size _start, . - _start
|