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Diffstat (limited to 'arch/arm64/include/asm/hwcap.h')
-rw-r--r-- | arch/arm64/include/asm/hwcap.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/hwcap.h b/arch/arm64/include/asm/hwcap.h new file mode 100644 index 0000000..f8190ba --- /dev/null +++ b/arch/arm64/include/asm/hwcap.h @@ -0,0 +1,53 @@ +/* + * Copyright (C) 2012 ARM Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ +#ifndef __ASM_HWCAP_H +#define __ASM_HWCAP_H + +/* + * HWCAP flags - for elf_hwcap (in kernel) and AT_HWCAP + */ +#define HWCAP_FP (1 << 0) +#define HWCAP_ASIMD (1 << 1) + +#define COMPAT_HWCAP_HALF (1 << 1) +#define COMPAT_HWCAP_THUMB (1 << 2) +#define COMPAT_HWCAP_FAST_MULT (1 << 4) +#define COMPAT_HWCAP_VFP (1 << 6) +#define COMPAT_HWCAP_EDSP (1 << 7) +#define COMPAT_HWCAP_NEON (1 << 12) +#define COMPAT_HWCAP_VFPv3 (1 << 13) +#define COMPAT_HWCAP_TLS (1 << 15) +#define COMPAT_HWCAP_VFPv4 (1 << 16) +#define COMPAT_HWCAP_IDIVA (1 << 17) +#define COMPAT_HWCAP_IDIVT (1 << 18) +#define COMPAT_HWCAP_IDIV (COMPAT_HWCAP_IDIVA|COMPAT_HWCAP_IDIVT) + +#if defined(__KERNEL__) && !defined(__ASSEMBLY__) +/* + * This yields a mask that user programs can use to figure out what + * instruction set this cpu supports. + */ +#define ELF_HWCAP (elf_hwcap) +#define COMPAT_ELF_HWCAP (COMPAT_HWCAP_HALF|COMPAT_HWCAP_THUMB|\ + COMPAT_HWCAP_FAST_MULT|COMPAT_HWCAP_EDSP|\ + COMPAT_HWCAP_TLS|COMPAT_HWCAP_VFP|\ + COMPAT_HWCAP_VFPv3|COMPAT_HWCAP_VFPv4|\ + COMPAT_HWCAP_NEON|COMPAT_HWCAP_IDIV) + +extern unsigned int elf_hwcap; +#endif + +#endif |