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kernel/linux-rt-4.4.41/arch/arm64/include/asm/hwcap.h 1.86 KB
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  /*
   * 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
  
  #include <uapi/asm/hwcap.h>
  
  #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)
  #define COMPAT_HWCAP_LPAE	(1 << 20)
  #define COMPAT_HWCAP_EVTSTRM	(1 << 21)
  
  #define COMPAT_HWCAP2_AES	(1 << 0)
  #define COMPAT_HWCAP2_PMULL	(1 << 1)
  #define COMPAT_HWCAP2_SHA1	(1 << 2)
  #define COMPAT_HWCAP2_SHA2	(1 << 3)
  #define COMPAT_HWCAP2_CRC32	(1 << 4)
  
  #ifndef __ASSEMBLY__
  /*
   * This yields a mask that user programs can use to figure out what
   * instruction set this cpu supports.
   */
  #define ELF_HWCAP		(elf_hwcap)
  
  #ifdef CONFIG_COMPAT
  #define COMPAT_ELF_HWCAP	(compat_elf_hwcap)
  #define COMPAT_ELF_HWCAP2	(compat_elf_hwcap2)
  extern unsigned int compat_elf_hwcap, compat_elf_hwcap2;
  #endif
  
  enum {
  	CAP_HWCAP = 1,
  #ifdef CONFIG_COMPAT
  	CAP_COMPAT_HWCAP,
  	CAP_COMPAT_HWCAP2,
  #endif
  };
  
  extern unsigned long elf_hwcap;
  #endif
  #endif