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Linux/tools/testing/selftests/x86/helpers.h

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  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 
  7 static 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 
 16 static 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 */
 26 

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