root/include/asm-mips/cachectl.h

/* */

INCLUDED FROM

   1 /*
   2  * include/asm-mips/cachectl.h
   3  *
   4  * Written by Ralf Baechle,
   5  * Copyright (C) 1994 by Waldorf GMBH
   6  */
   7 #ifndef __ASM_MIPS_CACHECTL
   8 #define __ASM_MIPS_CACHECTL
   9 
  10 /*
  11  * cachectl.h -- defines for MIPS cache control system calls
  12  */
  13 
  14 /*
  15  * Options for cacheflush system call
  16  */
  17 #define ICACHE  (1<<0)          /* flush instruction cache        */
  18 #define DCACHE  (1<<1)          /* writeback and flush data cache */
  19 #define BCACHE  (ICACHE|DCACHE) /* flush both caches              */
  20 
  21 #ifdef __KERNEL__
  22 #define CACHELINES      512     /* number of cachelines (kludgy)  */
  23 
  24 /*
  25  * Cache Operations - for use by assembler code
  26  */
  27 #define Index_Invalidate_I      0x00
  28 #define Index_Writeback_Inv_D   0x01
  29 #define Index_Load_Tag_D        0x05
  30 
  31 #ifndef __LANGUAGE_ASSEMBLY__
  32 
  33 extern int sys_cacheflush(void *addr, int nbytes, int cache);
  34 
  35 #endif /* !__LANGUAGE_ASSEMBLY__ */
  36 #endif   /* __KERNEL__ */
  37 #endif  /* __ASM_MIPS_CACHECTL */

/* */