[qemu.git] / tests / multiboot / start.S

/*
 * Copyright (c) 2013 Kevin Wolf <[email protected]>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

.section multiboot

#define MB_MAGIC 0x1badb002
#define MB_FLAGS 0x0
#define MB_CHECKSUM -(MB_MAGIC + MB_FLAGS)

.align  4
.int    MB_MAGIC
.int    MB_FLAGS
.int    MB_CHECKSUM

.section .text
.global _start
_start:
    mov     $stack, %esp
    push    %ebx
    push    %eax
    call    test_main

    /* Test device exit */
    outl    %eax, $0xf4

    cli
    hlt
    jmp .

.section bss
.space 8192
stack:
Commit	Line	Data
d1f3a23b KW	1	/*
	2	* Copyright (c) 2013 Kevin Wolf <[email protected]>
	3	*
	4	* Permission is hereby granted, free of charge, to any person obtaining a copy
	5	* of this software and associated documentation files (the "Software"), to deal
	6	* in the Software without restriction, including without limitation the rights
	7	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	8	* copies of the Software, and to permit persons to whom the Software is
	9	* furnished to do so, subject to the following conditions:
	10	*
	11	* The above copyright notice and this permission notice shall be included in
	12	* all copies or substantial portions of the Software.
	13	*
	14	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	15	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	16	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	17	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	18	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	19	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
	20	* THE SOFTWARE.
	21	*/
	22
	23	.section multiboot
	24
	25	#define MB_MAGIC 0x1badb002
	26	#define MB_FLAGS 0x0
	27	#define MB_CHECKSUM -(MB_MAGIC + MB_FLAGS)
	28
	29	.align 4
	30	.int MB_MAGIC
	31	.int MB_FLAGS
	32	.int MB_CHECKSUM
	33
	34	.section .text
	35	.global _start
	36	_start:
	37	mov $stack, %esp
	38	push %ebx
	39	push %eax
	40	call test_main
	41
	42	/* Test device exit */
	43	outl %eax, $0xf4
	44
	45	cli
	46	hlt
	47	jmp .
	48
	49	.section bss
	50	.space 8192
	51	stack: