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.set ALIGN, 1<<0
.set MEMINFO, 1<<1
.set FLAGS, ALIGN | MEMINFO
.set MAGIC, 0x1BADB002
.set CHECKSUM, -(MAGIC + FLAGS)
.section .multiboot
.align 4
.long MAGIC
.long FLAGS
.long CHECKSUM
.global _start
.global load_gdt
load_gdt:
movl 4(%esp), %edx
lgdt (%edx)
ret
.section .bss
.align 16
stack_bottom:
.skip 16384 # 16 KiB
stack_top:
.section .text
.type _start, @function
_start:
call init_gdt_table
mov 0x10, %ax
mov %ds, %ax
mov %es, %ax
mov %fs, %ax
mov %gs, %ax
mov %ss, %ax
mov $stack_top, %esp
cli
call _init
call kernel_main
1: hlt
jmp 1b
.size _start, . - _start
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