arch/riscv/include/uapi/asm/hwcap.h

   1 /*
   2  * Copied from arch/arm64/include/asm/hwcap.h
   3  *
   4  * Copyright (C) 2012 ARM Ltd.
   5  * Copyright (C) 2017 SiFive
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19 #ifndef __UAPI_ASM_HWCAP_H
  20 #define __UAPI_ASM_HWCAP_H
  21
  22 /*
  23  * Linux saves the floating-point registers according to the ISA Linux is
  24  * executing on, as opposed to the ISA the user program is compiled for.  This
  25  * is necessary for a handful of esoteric use cases: for example, userpsace
  26  * threading libraries must be able to examine the actual machine state in
  27  * order to fully reconstruct the state of a thread.
  28  */
  29 #define COMPAT_HWCAP_ISA_I      (1 << ('I' - 'A'))
  30 #define COMPAT_HWCAP_ISA_M      (1 << ('M' - 'A'))
  31 #define COMPAT_HWCAP_ISA_A      (1 << ('A' - 'A'))
  32 #define COMPAT_HWCAP_ISA_F      (1 << ('F' - 'A'))
  33 #define COMPAT_HWCAP_ISA_D      (1 << ('D' - 'A'))
  34 #define COMPAT_HWCAP_ISA_C      (1 << ('C' - 'A'))
  35
  36 #endif