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

   1 /* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
   2 /*
   3  * Copied from arch/arm64/include/asm/hwcap.h
   4  *
   5  * Copyright (C) 2012 ARM Ltd.
   6  * Copyright (C) 2017 SiFive
   7  */
   8 #ifndef _UAPI_ASM_RISCV_HWCAP_H
   9 #define _UAPI_ASM_RISCV_HWCAP_H
  10
  11 /*
  12  * Linux saves the floating-point registers according to the ISA Linux is
  13  * executing on, as opposed to the ISA the user program is compiled for.  This
  14  * is necessary for a handful of esoteric use cases: for example, userpsace
  15  * threading libraries must be able to examine the actual machine state in
  16  * order to fully reconstruct the state of a thread.
  17  */
  18 #define COMPAT_HWCAP_ISA_I      (1 << ('I' - 'A'))
  19 #define COMPAT_HWCAP_ISA_M      (1 << ('M' - 'A'))
  20 #define COMPAT_HWCAP_ISA_A      (1 << ('A' - 'A'))
  21 #define COMPAT_HWCAP_ISA_F      (1 << ('F' - 'A'))
  22 #define COMPAT_HWCAP_ISA_D      (1 << ('D' - 'A'))
  23 #define COMPAT_HWCAP_ISA_C      (1 << ('C' - 'A'))
  24
  25 #endif /* _UAPI_ASM_RISCV_HWCAP_H */