hwcap.h 973 B

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  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. * Linux saves the floating-point registers according to the ISA Linux is
  12. * executing on, as opposed to the ISA the user program is compiled for. This
  13. * is necessary for a handful of esoteric use cases: for example, userspace
  14. * threading libraries must be able to examine the actual machine state in
  15. * order to fully reconstruct the state of a thread.
  16. */
  17. #define COMPAT_HWCAP_ISA_I (1 << ('I' - 'A'))
  18. #define COMPAT_HWCAP_ISA_M (1 << ('M' - 'A'))
  19. #define COMPAT_HWCAP_ISA_A (1 << ('A' - 'A'))
  20. #define COMPAT_HWCAP_ISA_F (1 << ('F' - 'A'))
  21. #define COMPAT_HWCAP_ISA_D (1 << ('D' - 'A'))
  22. #define COMPAT_HWCAP_ISA_C (1 << ('C' - 'A'))
  23. #define COMPAT_HWCAP_ISA_V (1 << ('V' - 'A'))
  24. #endif /* _UAPI_ASM_RISCV_HWCAP_H */