/kern_2.6.32/arch/sh/include/asm/cachectl.h

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  1. #ifndef _SH_CACHECTL_H
    2. 

  2. #define _SH_CACHECTL_H
    3. 

  3. 

  4. /* Definitions for the cacheflush system call.  */
    5. 

  5. 

  6. #define CACHEFLUSH_D_INVAL	0x1	/* invalidate (without write back) */
    7. 

  7. #define CACHEFLUSH_D_WB		0x2	/* write back (without invalidate) */
    8. 

  8. #define CACHEFLUSH_D_PURGE	0x3	/* writeback and invalidate */
    9. 

  9. 

  10. #define CACHEFLUSH_I		0x4
    11. 

  11. 

  12. /*
    13. 

  13.  * Options for cacheflush system call
    14. 

  14.  */
    15. 

  15. #define ICACHE	CACHEFLUSH_I		/* flush instruction cache */
    16. 

  16. #define DCACHE	CACHEFLUSH_D_PURGE	/* writeback and flush data cache */
    17. 

  17. #define BCACHE	(ICACHE|DCACHE)		/* flush both caches */
    18. 

  18. 

  19. #endif /* _SH_CACHECTL_H */
    20.