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, 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 25 #endif /* _UAPI_ASM_RISCV_HWCAP_H */ 26