37 lines
1.4 KiB
C
37 lines
1.4 KiB
C
/*
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* Copied from arch/arm64/include/asm/hwcap.h
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*
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* Copyright (C) 2012 ARM Ltd.
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* Copyright (C) 2017 SiFive
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __UAPI_ASM_HWCAP_H
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#define __UAPI_ASM_HWCAP_H
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/*
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* Linux saves the floating-point registers according to the ISA Linux is
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* executing on, as opposed to the ISA the user program is compiled for. This
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* is necessary for a handful of esoteric use cases: for example, userpsace
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* threading libraries must be able to examine the actual machine state in
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* order to fully reconstruct the state of a thread.
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*/
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#define COMPAT_HWCAP_ISA_I (1 << ('I' - 'A'))
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#define COMPAT_HWCAP_ISA_M (1 << ('M' - 'A'))
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#define COMPAT_HWCAP_ISA_A (1 << ('A' - 'A'))
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#define COMPAT_HWCAP_ISA_F (1 << ('F' - 'A'))
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#define COMPAT_HWCAP_ISA_D (1 << ('D' - 'A'))
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#define COMPAT_HWCAP_ISA_C (1 << ('C' - 'A'))
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#endif
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