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cacheflush.c revision 1.4.8.2
      1  1.4.8.2  martin /* $NetBSD: cacheflush.c,v 1.4.8.2 2008/04/28 20:22:57 martin Exp $ */
      2  1.4.8.2  martin 
      3  1.4.8.2  martin /*-
      4  1.4.8.2  martin  * Copyright (c) 1997 The NetBSD Foundation, Inc.
      5  1.4.8.2  martin  * All rights reserved.
      6  1.4.8.2  martin  *
      7  1.4.8.2  martin  * This code is derived from software contributed to The NetBSD Foundation
      8  1.4.8.2  martin  * by Jonathan Stone.
      9  1.4.8.2  martin  *
     10  1.4.8.2  martin  * Redistribution and use in source and binary forms, with or without
     11  1.4.8.2  martin  * modification, are permitted provided that the following conditions
     12  1.4.8.2  martin  * are met:
     13  1.4.8.2  martin  * 1. Redistributions of source code must retain the above copyright
     14  1.4.8.2  martin  *    notice, this list of conditions and the following disclaimer.
     15  1.4.8.2  martin  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.4.8.2  martin  *    notice, this list of conditions and the following disclaimer in the
     17  1.4.8.2  martin  *    documentation and/or other materials provided with the distribution.
     18  1.4.8.2  martin  *
     19  1.4.8.2  martin  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  1.4.8.2  martin  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  1.4.8.2  martin  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  1.4.8.2  martin  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  1.4.8.2  martin  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  1.4.8.2  martin  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  1.4.8.2  martin  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  1.4.8.2  martin  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  1.4.8.2  martin  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  1.4.8.2  martin  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  1.4.8.2  martin  * POSSIBILITY OF SUCH DAMAGE.
     30  1.4.8.2  martin  */
     31  1.4.8.2  martin 
     32  1.4.8.2  martin #include <sys/types.h>
     33  1.4.8.2  martin #include <mips/cachectl.h>
     34  1.4.8.2  martin #include <mips/sysarch.h>
     35  1.4.8.2  martin 
     36  1.4.8.2  martin int
     37  1.4.8.2  martin _cacheflush(addr, nbytes, whichcache)
     38  1.4.8.2  martin 	void * addr;
     39  1.4.8.2  martin 	int nbytes, whichcache;
     40  1.4.8.2  martin {
     41  1.4.8.2  martin 	struct mips_cacheflush_args cfa;
     42  1.4.8.2  martin 
     43  1.4.8.2  martin 	cfa.va = (vaddr_t) addr;
     44  1.4.8.2  martin 	cfa.nbytes = nbytes;
     45  1.4.8.2  martin 	cfa.whichcache = whichcache;
     46  1.4.8.2  martin 	return (sysarch(MIPS_CACHEFLUSH, (void *)&cfa));
     47  1.4.8.2  martin }
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