40 lines
590 B
ArmAsm
40 lines
590 B
ArmAsm
/* boot.S
|
|
* assembler bootstrap
|
|
*
|
|
* Copyright (C) 2003 Stefan Reinauer
|
|
*
|
|
* See the file "COPYING" for further information about
|
|
* the copyright and warranty status of this work.
|
|
*/
|
|
|
|
#define ASM 1
|
|
#include <multiboot.h>
|
|
|
|
.text
|
|
|
|
.code32
|
|
.globl start, _start
|
|
|
|
/* unused */
|
|
start:
|
|
_start:
|
|
/* Initialize stack pointer. */
|
|
movl $(stack + STACK_SIZE), %esp
|
|
|
|
/* Reset EFLAGS. */
|
|
pushl $0
|
|
popf
|
|
|
|
/* parameter 2 */
|
|
pushl %ebx
|
|
/* parameter 1 */
|
|
pushl %eax
|
|
|
|
/* jump to C main function... */
|
|
call EXT_C(cmain)
|
|
|
|
loop: hlt
|
|
jmp loop
|
|
|
|
.comm stack, STACK_SIZE /* stack area. */
|