1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * vsyscall_emu_64.S: Vsyscall emulation page
 4 *
 5 * Copyright (c) 2011 Andy Lutomirski
 6 */
 7
 8#include <linux/linkage.h>
 9
10#include <asm/irq_vectors.h>
11#include <asm/page_types.h>
12#include <asm/unistd_64.h>
13
14__PAGE_ALIGNED_DATA
15	.globl __vsyscall_page
16	.balign PAGE_SIZE, 0xcc
17	.type __vsyscall_page, @object
18__vsyscall_page:
19
20	mov $__NR_gettimeofday, %rax
21	syscall
22	ret
23	int3
24
25	.balign 1024, 0xcc
26	mov $__NR_time, %rax
27	syscall
28	ret
29	int3
30
31	.balign 1024, 0xcc
32	mov $__NR_getcpu, %rax
33	syscall
34	ret
35	int3
36
37	.balign 4096, 0xcc
38
39	.size __vsyscall_page, 4096

 1/*
 2 * vsyscall_emu_64.S: Vsyscall emulation page
 3 *
 4 * Copyright (c) 2011 Andy Lutomirski
 5 *
 6 * Subject to the GNU General Public License, version 2
 7 */
 8
 9#include <linux/linkage.h>
10
11#include <asm/irq_vectors.h>
12#include <asm/page_types.h>
13#include <asm/unistd_64.h>
14
15__PAGE_ALIGNED_DATA
16	.globl __vsyscall_page
17	.balign PAGE_SIZE, 0xcc
18	.type __vsyscall_page, @object
19__vsyscall_page:
20
21	mov $__NR_gettimeofday, %rax
22	syscall
23	ret
24
25	.balign 1024, 0xcc
26	mov $__NR_time, %rax
27	syscall
28	ret
29
30	.balign 1024, 0xcc
31	mov $__NR_getcpu, %rax
32	syscall
33	ret
34
35	.balign 4096, 0xcc
36
37	.size __vsyscall_page, 4096