67 lines
2.8 KiB
C
67 lines
2.8 KiB
C
/* $NetBSD: cachectl.h,v 1.4 2001/01/07 04:13:16 simonb Exp $ */
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/*-
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* Copyright (c) 1997 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jonathan Stone.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _MIPS_CACHECTL_H_
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#define _MIPS_CACHECTL_H_
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#include <sys/cdefs.h>
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/*
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* invalidate a range of addresses from the cache.
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*/
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int _cacheflush __P((void *addr, int nbytes, int cacheflags));
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int cacheflush __P((void *addr, int nbytes, int cacheflags));
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/* cacheflush() flags: */
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#define ICACHE 0x01 /* invalidate I-cache */
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#define DCACHE 0x02 /* writeback and invalidate D-cache */
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#define BCACHE (ICACHE|DCACHE) /* invalidate both caches, as above */
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int cachectl __P((void *addr, int nbytes, int cacheop));
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/* cachectl() cache operations: */
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#define CACHEABLE 0x00 /* make page(s) cacheable */
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#define UNCACHEABLE 0x01 /* make page(s) uncacheable */
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#ifdef _KERNEL
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int mips_user_cachectl __P((struct proc *, vaddr_t, int, int));
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int mips_user_cacheflush __P((struct proc *, vaddr_t, int, int));
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#endif
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#endif /* _MIPS_CACHECTL_H_ */
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