27 lines
700 B
C
27 lines
700 B
C
/*
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* cachectl.h -- defines for M32R cache control system calls
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*
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* Copyright (C) 2003 by Kazuhiro Inaoka
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*/
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#ifndef __ASM_M32R_CACHECTL
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#define __ASM_M32R_CACHECTL
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/*
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* Options for cacheflush system call
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*
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* cacheflush() is currently fluch_cache_all().
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*/
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#define ICACHE (1<<0) /* flush instruction cache */
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#define DCACHE (1<<1) /* writeback and flush data cache */
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#define BCACHE (ICACHE|DCACHE) /* flush both caches */
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/*
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* Caching modes for the cachectl(2) call
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*
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* cachectl(2) is currently not supported and returns ENOSYS.
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*/
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#define CACHEABLE 0 /* make pages cacheable */
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#define UNCACHEABLE 1 /* make pages uncacheable */
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#endif /* __ASM_M32R_CACHECTL */
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