tools/testing/selftests/x86/helpers.h

   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 */