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 37