arch/microblaze/include/asm/barrier.h

   1 /*
   2  * Copyright (C) 2006 Atmark Techno, Inc.
   3  *
   4  * This file is subject to the terms and conditions of the GNU General Public
   5  * License. See the file "COPYING" in the main directory of this archive
   6  * for more details.
   7  */
   8
   9 #ifndef _ASM_MICROBLAZE_BARRIER_H
  10 #define _ASM_MICROBLAZE_BARRIER_H
  11
  12 #define nop()                  asm volatile ("nop")
  13
  14 #define smp_read_barrier_depends()      do {} while (0)
  15 #define read_barrier_depends()          do {} while (0)
  16
  17 #define mb()                    barrier()
  18 #define rmb()                   mb()
  19 #define wmb()                   mb()
  20 #define set_mb(var, value)      do { var = value; mb(); } while (0)
  21 #define set_wmb(var, value)     do { var = value; wmb(); } while (0)
  22
  23 #define smp_mb()                mb()
  24 #define smp_rmb()               rmb()
  25 #define smp_wmb()               wmb()
  26
  27 #endif /* _ASM_MICROBLAZE_BARRIER_H */