root/include/asm-mips/cachectl.h

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   1 /*
   2  * include/asm-mips/cachectl.h
   3  *
   4  * Written by Ralf Baechle,
   5  * Copyright (C) 1994 by Waldorf GMBH
   6  *
   7  * Defines for Risc/OS compatible cacheflush systemcall
   8  */
   9 #ifndef __ASM_MIPS_CACHECTL
  10 #define __ASM_MIPS_CACHECTL
  11 
  12 /*
  13  * cachectl.h -- defines for MIPS cache control system calls
  14  */
  15 
  16 /*
  17  * Options for cacheflush system call
  18  */
  19 #define ICACHE  (1<<0)          /* flush instruction cache        */
  20 #define DCACHE  (1<<1)          /* writeback and flush data cache */
  21 #define BCACHE  (ICACHE|DCACHE) /* flush both caches              */
  22 
  23 #define CACHELINES      512             /* number of cachelines    */
  24 
  25 #ifdef __KERNEL__
  26 #ifndef __ASSEMBLY__
  27 
  28 extern int sys_cacheflush(void *addr, int nbytes, int cache);
  29 
  30 #endif
  31 #endif
  32 #endif  /* __ASM_MIPS_CACHECTL */

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