cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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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 */