| 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 _ASM_RISCV_HWCAP_H |
| 9 | #define _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, userspace |
| 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 | #define COMPAT_HWCAP_ISA_V (1 << ('V' - 'A')) |
| 25 | |
| 26 | #endif /* _ASM_RISCV_HWCAP_H */ |