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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helpers.h (516B)


      1// SPDX-License-Identifier: GPL-2.0-only
      2#ifndef __SELFTESTS_X86_HELPERS_H
      3#define __SELFTESTS_X86_HELPERS_H
      4
      5#include <asm/processor-flags.h>
      6
      7static inline unsigned long get_eflags(void)
      8{
      9#ifdef __x86_64__
     10	return __builtin_ia32_readeflags_u64();
     11#else
     12	return __builtin_ia32_readeflags_u32();
     13#endif
     14}
     15
     16static inline void set_eflags(unsigned long eflags)
     17{
     18#ifdef __x86_64__
     19	__builtin_ia32_writeeflags_u64(eflags);
     20#else
     21	__builtin_ia32_writeeflags_u32(eflags);
     22#endif
     23}
     24
     25#endif /* __SELFTESTS_X86_HELPERS_H */