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v0.5.2
https://github.com/torvalds/linux
Raw File
Tip revision: 62fb9874f5da54fdb243003b386128037319b219 authored by Linus Torvalds on 27 June 2021, 22:21:11 UTC
Linux 5.13
Tip revision: 62fb987
cpufeature.h
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * CPU feature definitions for module loading, used by
 * module_cpu_feature_match(), see uapi/asm/hwcap.h for MIPS CPU features.
 */

#ifndef __ASM_CPUFEATURE_H
#define __ASM_CPUFEATURE_H

#include <uapi/asm/hwcap.h>
#include <asm/elf.h>

#define MAX_CPU_FEATURES (8 * sizeof(elf_hwcap))

#define cpu_feature(x)		ilog2(HWCAP_ ## x)

static inline bool cpu_have_feature(unsigned int num)
{
	return elf_hwcap & (1UL << num);
}

#endif /* __ASM_CPUFEATURE_H */
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