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f668cd16 CM |
1 | /* |
2 | * Copyright (C) 2012 ARM Ltd. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License version 2 as | |
6 | * published by the Free Software Foundation. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
15 | */ | |
16 | #ifndef __ASM_HWCAP_H | |
17 | #define __ASM_HWCAP_H | |
18 | ||
19 | /* | |
20 | * HWCAP flags - for elf_hwcap (in kernel) and AT_HWCAP | |
21 | */ | |
22 | #define HWCAP_FP (1 << 0) | |
23 | #define HWCAP_ASIMD (1 << 1) | |
24 | ||
25 | #define COMPAT_HWCAP_HALF (1 << 1) | |
26 | #define COMPAT_HWCAP_THUMB (1 << 2) | |
27 | #define COMPAT_HWCAP_FAST_MULT (1 << 4) | |
28 | #define COMPAT_HWCAP_VFP (1 << 6) | |
29 | #define COMPAT_HWCAP_EDSP (1 << 7) | |
30 | #define COMPAT_HWCAP_NEON (1 << 12) | |
31 | #define COMPAT_HWCAP_VFPv3 (1 << 13) | |
32 | #define COMPAT_HWCAP_TLS (1 << 15) | |
33 | #define COMPAT_HWCAP_VFPv4 (1 << 16) | |
34 | #define COMPAT_HWCAP_IDIVA (1 << 17) | |
35 | #define COMPAT_HWCAP_IDIVT (1 << 18) | |
36 | #define COMPAT_HWCAP_IDIV (COMPAT_HWCAP_IDIVA|COMPAT_HWCAP_IDIVT) | |
37 | ||
38 | #if defined(__KERNEL__) && !defined(__ASSEMBLY__) | |
39 | /* | |
40 | * This yields a mask that user programs can use to figure out what | |
41 | * instruction set this cpu supports. | |
42 | */ | |
43 | #define ELF_HWCAP (elf_hwcap) | |
44 | #define COMPAT_ELF_HWCAP (COMPAT_HWCAP_HALF|COMPAT_HWCAP_THUMB|\ | |
45 | COMPAT_HWCAP_FAST_MULT|COMPAT_HWCAP_EDSP|\ | |
46 | COMPAT_HWCAP_TLS|COMPAT_HWCAP_VFP|\ | |
47 | COMPAT_HWCAP_VFPv3|COMPAT_HWCAP_VFPv4|\ | |
48 | COMPAT_HWCAP_NEON|COMPAT_HWCAP_IDIV) | |
49 | ||
50 | extern unsigned int elf_hwcap; | |
51 | #endif | |
52 | ||
53 | #endif |