1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3 * AArch32 user helpers.
4 * Based on the kuser helpers in arch/arm/kern
5 *
6 * Copyright (C) 2005-2011 Nicolas Pitre <nico@
7 * Copyright (C) 2012-2018 ARM Ltd.
8 *
9 * The kuser helpers below are mapped at a fix
10 * aarch32_setup_additional_pages() and are pr
11 * reasons with 32 bit (aarch32) applications
12 *
13 * See Documentation/arch/arm/kernel_user_help
14 */
15
16 #include <asm/unistd.h>
17
18 .section .rodata
19 .align 5
20 .globl __kuser_helper_start
21 __kuser_helper_start:
22
23 __kuser_cmpxchg64: // 0xf
24 .inst 0xe92d00f0 //
25 .inst 0xe1c040d0 //
26 .inst 0xe1c160d0 //
27 .inst 0xe1b20f9f // 1:
28 .inst 0xe0303004 //
29 .inst 0x00313005 //
30 .inst 0x01a23e96 //
31 .inst 0x03330001 //
32 .inst 0x0afffff9 //
33 .inst 0xf57ff05b //
34 .inst 0xe2730000 //
35 .inst 0xe8bd00f0 //
36 .inst 0xe12fff1e //
37
38 .align 5
39 __kuser_memory_barrier: // 0xf
40 .inst 0xf57ff05b //
41 .inst 0xe12fff1e //
42
43 .align 5
44 __kuser_cmpxchg: // 0xf
45 .inst 0xe1923f9f // 1:
46 .inst 0xe0533000 //
47 .inst 0x01823e91 //
48 .inst 0x03330001 //
49 .inst 0x0afffffa //
50 .inst 0xf57ff05b //
51 .inst 0xe2730000 //
52 .inst 0xe12fff1e //
53
54 .align 5
55 __kuser_get_tls: // 0xf
56 .inst 0xee1d0f70 //
57 .inst 0xe12fff1e //
58 .rep 5
59 .word 0
60 .endr
61
62 __kuser_helper_version: // 0xf
63 .word ((__kuser_helper_end - __kuser
64 .globl __kuser_helper_end
65 __kuser_helper_end:
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