arch/arm64/include/asm/hwcap.h

   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 #include <uapi/asm/hwcap.h>
  20
  21 #define COMPAT_HWCAP_HALF       (1 << 1)
  22 #define COMPAT_HWCAP_THUMB      (1 << 2)
  23 #define COMPAT_HWCAP_FAST_MULT  (1 << 4)
  24 #define COMPAT_HWCAP_VFP        (1 << 6)
  25 #define COMPAT_HWCAP_EDSP       (1 << 7)
  26 #define COMPAT_HWCAP_NEON       (1 << 12)
  27 #define COMPAT_HWCAP_VFPv3      (1 << 13)
  28 #define COMPAT_HWCAP_TLS        (1 << 15)
  29 #define COMPAT_HWCAP_VFPv4      (1 << 16)
  30 #define COMPAT_HWCAP_IDIVA      (1 << 17)
  31 #define COMPAT_HWCAP_IDIVT      (1 << 18)
  32 #define COMPAT_HWCAP_IDIV       (COMPAT_HWCAP_IDIVA|COMPAT_HWCAP_IDIVT)
  33 #define COMPAT_HWCAP_LPAE       (1 << 20)
  34 #define COMPAT_HWCAP_EVTSTRM    (1 << 21)
  35
  36 #define COMPAT_HWCAP2_AES       (1 << 0)
  37 #define COMPAT_HWCAP2_PMULL     (1 << 1)
  38 #define COMPAT_HWCAP2_SHA1      (1 << 2)
  39 #define COMPAT_HWCAP2_SHA2      (1 << 3)
  40 #define COMPAT_HWCAP2_CRC32     (1 << 4)
  41
  42 #ifndef __ASSEMBLY__
  43 /*
  44  * This yields a mask that user programs can use to figure out what
  45  * instruction set this cpu supports.
  46  */
  47 #define ELF_HWCAP               (elf_hwcap)
  48
  49 #ifdef CONFIG_COMPAT
  50 #define COMPAT_ELF_HWCAP        (compat_elf_hwcap)
  51 #define COMPAT_ELF_HWCAP2       (compat_elf_hwcap2)
  52 extern unsigned int compat_elf_hwcap, compat_elf_hwcap2;
  53 #endif
  54
  55 enum {
  56         CAP_HWCAP = 1,
  57 #ifdef CONFIG_COMPAT
  58         CAP_COMPAT_HWCAP,
  59         CAP_COMPAT_HWCAP2,
  60 #endif
  61 };
  62
  63 extern unsigned long elf_hwcap;
  64 #endif
  65 #endif