/* $NetBSD: cachectl.h,v 1.10 2012/03/29 21:20:08 christos Exp $ */ /*- * Copyright (c) 1997 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jonathan Stone. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef _MIPS_CACHECTL_H_ #define _MIPS_CACHECTL_H_ #include <sys/cdefs.h> __BEGIN_DECLS /* * invalidate a range of addresses from the cache. */ int _cacheflush(void *, size_t, int); int cacheflush(void *, size_t, int); /* cacheflush() flags: */ #define ICACHE 0x01 /* invalidate I-cache */ #define DCACHE 0x02 /* writeback and invalidate D-cache */ #define BCACHE (ICACHE|DCACHE) /* invalidate both caches, as above */ int cachectl(void *, size_t, int); /* cachectl() cache operations: */ #define CACHEABLE 0x00 /* make page(s) cacheable */ #define UNCACHEABLE 0x01 /* make page(s) uncacheable */ __END_DECLS #ifdef _KERNEL int mips_user_cachectl(struct proc *, vaddr_t, size_t, int); int mips_user_cacheflush(struct proc *, vaddr_t, size_t, int); #endif #endif /* _MIPS_CACHECTL_H_ */ |