cpufeature.h (576B)
1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * CPU feature definitions for module loading, used by 4 * module_cpu_feature_match(), see uapi/asm/hwcap.h for LoongArch CPU features. 5 * 6 * Copyright (C) 2020-2022 Loongson Technology Corporation Limited 7 */ 8 9#ifndef __ASM_CPUFEATURE_H 10#define __ASM_CPUFEATURE_H 11 12#include <uapi/asm/hwcap.h> 13#include <asm/elf.h> 14 15#define MAX_CPU_FEATURES (8 * sizeof(elf_hwcap)) 16 17#define cpu_feature(x) ilog2(HWCAP_ ## x) 18 19static inline bool cpu_have_feature(unsigned int num) 20{ 21 return elf_hwcap & (1UL << num); 22} 23 24#endif /* __ASM_CPUFEATURE_H */