barrier.h 720 B

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  1. /* FR-V CPU memory barrier definitions
  2. *
  3. * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
  4. * Written by David Howells (dhowells@redhat.com)
  5. *
  6. * This program is free software; you can redistribute it and/or
  7. * modify it under the terms of the GNU General Public License
  8. * as published by the Free Software Foundation; either version
  9. * 2 of the License, or (at your option) any later version.
  10. */
  11. #ifndef _ASM_BARRIER_H
  12. #define _ASM_BARRIER_H
  13. #define nop() asm volatile ("nop"::)
  14. #define mb() asm volatile ("membar" : : :"memory")
  15. #define rmb() asm volatile ("membar" : : :"memory")
  16. #define wmb() asm volatile ("membar" : : :"memory")
  17. #include <asm-generic/barrier.h>
  18. #endif /* _ASM_BARRIER_H */