release/src-rt-6.x.4708/linux/linux-2.6.36/arch/sh/include/asm/cachectl.h

   1 #ifndef _SH_CACHECTL_H
   2 #define _SH_CACHECTL_H
   3
   4 /* Definitions for the cacheflush system call.  */
   5
   6 #define CACHEFLUSH_D_INVAL      0x1     /* invalidate (without write back) */
   7 #define CACHEFLUSH_D_WB         0x2     /* write back (without invalidate) */
   8 #define CACHEFLUSH_D_PURGE      0x3     /* writeback and invalidate */
   9
  10 #define CACHEFLUSH_I            0x4
  11
  12 /*
  13  * Options for cacheflush system call
  14  */
  15 #define ICACHE  CACHEFLUSH_I            /* flush instruction cache */
  16 #define DCACHE  CACHEFLUSH_D_PURGE      /* writeback and flush data cache */
  17 #define BCACHE  (ICACHE|DCACHE)         /* flush both caches */
  18
  19 #endif /* _SH_CACHECTL_H */