include/asm-nios2nommu/cachectl.h

   1 /*
   2  * Copyright (C) 2004 Microtronix Datacom Ltd.
   3  *
   4  * All rights reserved.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
  14  * NON INFRINGEMENT.  See the GNU General Public License for more
  15  * details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20  *
  21  */
  22
  23 #ifndef _NIOS2NOMMU_CACHECTL_H
  24 #define _NIOS2NOMMU_CACHECTL_H
  25
  26 /* Definitions for the cacheflush system call.  */
  27
  28 #define FLUSH_SCOPE_LINE    1   /* Flush a cache line */
  29 #define FLUSH_SCOPE_PAGE    2   /* Flush a page */
  30 #define FLUSH_SCOPE_ALL     3   /* Flush the whole cache -- superuser only */
  31
  32 #define FLUSH_CACHE_DATA    1   /* Writeback and flush data cache */
  33 #define FLUSH_CACHE_INSN    2   /* Flush instruction cache */
  34 #define FLUSH_CACHE_BOTH    3   /* Flush both caches */
  35
  36 #endif /* _NIOS2NOMMU_CACHECTL_H */