cachectl.h revision 1.11 1 1.11 simonb /* $NetBSD: cachectl.h,v 1.11 2020/07/26 08:08:41 simonb Exp $ */
2 1.1 jonathan
3 1.1 jonathan /*-
4 1.1 jonathan * Copyright (c) 1997 The NetBSD Foundation, Inc.
5 1.1 jonathan * All rights reserved.
6 1.1 jonathan *
7 1.1 jonathan * This code is derived from software contributed to The NetBSD Foundation
8 1.1 jonathan * by Jonathan Stone.
9 1.1 jonathan *
10 1.1 jonathan * Redistribution and use in source and binary forms, with or without
11 1.1 jonathan * modification, are permitted provided that the following conditions
12 1.1 jonathan * are met:
13 1.1 jonathan * 1. Redistributions of source code must retain the above copyright
14 1.1 jonathan * notice, this list of conditions and the following disclaimer.
15 1.1 jonathan * 2. Redistributions in binary form must reproduce the above copyright
16 1.1 jonathan * notice, this list of conditions and the following disclaimer in the
17 1.1 jonathan * documentation and/or other materials provided with the distribution.
18 1.1 jonathan *
19 1.1 jonathan * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 1.1 jonathan * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 1.1 jonathan * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 1.1 jonathan * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 1.1 jonathan * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 1.1 jonathan * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 1.1 jonathan * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 1.1 jonathan * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 1.1 jonathan * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 1.1 jonathan * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 1.1 jonathan * POSSIBILITY OF SUCH DAMAGE.
30 1.1 jonathan */
31 1.1 jonathan
32 1.1 jonathan #ifndef _MIPS_CACHECTL_H_
33 1.11 simonb #define _MIPS_CACHECTL_H_
34 1.1 jonathan
35 1.1 jonathan #include <sys/cdefs.h>
36 1.1 jonathan
37 1.10 christos __BEGIN_DECLS
38 1.1 jonathan /*
39 1.1 jonathan * invalidate a range of addresses from the cache.
40 1.1 jonathan */
41 1.10 christos int _cacheflush(void *, size_t, int);
42 1.10 christos int cacheflush(void *, size_t, int);
43 1.1 jonathan
44 1.1 jonathan /* cacheflush() flags: */
45 1.11 simonb #define ICACHE 0x01 /* invalidate I-cache */
46 1.11 simonb #define DCACHE 0x02 /* writeback and invalidate D-cache */
47 1.11 simonb #define BCACHE (ICACHE|DCACHE) /* invalidate both caches, as above */
48 1.1 jonathan
49 1.1 jonathan
50 1.10 christos int cachectl(void *, size_t, int);
51 1.1 jonathan
52 1.1 jonathan /* cachectl() cache operations: */
53 1.11 simonb #define CACHEABLE 0x00 /* make page(s) cacheable */
54 1.11 simonb #define UNCACHEABLE 0x01 /* make page(s) uncacheable */
55 1.1 jonathan
56 1.10 christos __END_DECLS
57 1.10 christos
58 1.4 simonb #ifdef _KERNEL
59 1.6 christos int mips_user_cachectl(struct proc *, vaddr_t, size_t, int);
60 1.6 christos int mips_user_cacheflush(struct proc *, vaddr_t, size_t, int);
61 1.4 simonb #endif
62 1.1 jonathan #endif /* _MIPS_CACHECTL_H_ */
63