/* Declare constants for the multiboot header. */
.set ALIGN,    1<<0             /* align loaded modules on page boundaries */
.set MEMINFO,  1<<1             /* provide memory map */
.set MB_FLAGS,    ALIGN | MEMINFO  /* this is the Multiboot 'flag' field */
.set MB_MAGIC,    0x1BADB002       /* 'magic number' lets bootloader find the header */
.set MB_CHECKSUM, -(MB_MAGIC + MB_FLAGS) /* checksum of above, to prove we are multiboot */
 
 /* Multiboot header */
.section .multiboot
	.align 4
	.long MB_MAGIC
	.long MB_FLAGS
	.long MB_CHECKSUM
 
 /* Create stack */
.section .bss
	.align 16
	stack_bottom:
	.skip 16384 # 16 KiB
	stack_top:
 
/* Entrypoint */
.section .text
.global _start
.type _start, @function
_start:
	/* Setup stack */
	mov $stack_top, %esp
 
	/* Call into C code */
	call kernel_main
 
	/* Hang if kernel_main returns */
	cli
1:	hlt
	jmp 1b
 
.size _start, . - _start