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19eaf54bc9
* Add missing Linux headers. Closes #9837 * Update existing headers to latest Linux. * Consolidate headers that are the same for multiple Zig target CPU architectures. For example, Linux has only an x86 directory for both x86_64 and x86 CPU architectures. Now Zig only ships an x86 directory for Linux headers, and will emit the proper corresponding -isystem flags. * tools/update-linux-headers.zig is now available for upgrading to newer Linux headers, and the update process is now documented on the wiki.
25 lines
911 B
C
Vendored
25 lines
911 B
C
Vendored
/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
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/*
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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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#ifndef _ASM_RISCV_HWCAP_H
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#define _ASM_RISCV_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, userspace
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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 /* _ASM_RISCV_HWCAP_H */ |