LXR linux/arch/mips/include/asm/cpufeature.h

   1/*
   2 * CPU feature definitions for module loading, used by
   3 * module_cpu_feature_match(), see uapi/asm/hwcap.h for MIPS CPU features.
   4 *
   5 * This program is free software; you can redistribute it and/or
   6 * modify it under the terms of the GNU General Public License
   7 * as published by the Free Software Foundation; either version
   8 * 2 of the License, or (at your option) any later version.
   9 */
  10
  11#ifndef __ASM_CPUFEATURE_H
  12#define __ASM_CPUFEATURE_H
  13
  14#include <uapi/asm/hwcap.h>
  15#include <asm/elf.h>
  16
  17#define MAX_CPU_FEATURES (8 * sizeof(elf_hwcap))
  18
  19#define cpu_feature(x)          ilog2(HWCAP_ ## x)
  20
  21static inline bool cpu_have_feature(unsigned int num)
  22{
  23        return elf_hwcap & (1UL << num);
  24}
  25
  26#endif /* __ASM_CPUFEATURE_H */
  27