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/*

 * cachectl.h -- defines for MIPS cache control system calls

 *

 * Copyright (C) 1994, 1995, 1996 by Ralf Baechle

 */

#ifndef __ASM_MIPS_CACHECTL

#define __ASM_MIPS_CACHECTL

/*

 * Options for cacheflush system call

 */

#define ICACHE  (1<<0)          /* flush instruction cache        */

#define DCACHE  (1<<1)          /* writeback and flush data cache */

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

/*

 * Caching modes for the cachectl(2) call

 *

 * cachectl(2) is currently not supported and returns ENOSYS.

 */

#define CACHEABLE       0        /* make pages cacheable */

#define UNCACHEABLE     1       /* make pages uncacheable */

#endif  /* __ASM_MIPS_CACHECTL */