cacheops_machdep.h revision 1.7 1 /* $NetBSD: cacheops_machdep.h,v 1.7 2011/02/08 20:20:20 rmind Exp $ */
2
3 /*
4 * Copyright (c) 1988 University of Utah.
5 * Copyright (c) 1980, 1990, 1993
6 * The Regents of the University of California. All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * the Systems Programming Group of the University of Utah Computer
10 * Science Department.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 */
36
37 #ifndef _NEWS68K_CACHEOPS_MACHDEP_H_
38 #define _NEWS68K_CACHEOPS_MACHDEP_H_
39
40 extern void *cache_clr;
41
42 static __inline int __attribute__((__unused__))
43 DCIx_md(void)
44 {
45 volatile uint8_t *p = cache_clr;
46
47 if (ectype != EC_VIRT) {
48 return 0;
49 }
50
51 *p = 0xff;
52 return 1;
53 }
54
55 static __inline int __attribute__((__unused__))
56 DCIA_md(void)
57 {
58 return DCIx_md();
59 }
60
61 static __inline int __attribute__((__unused__))
62 DCIS_md(void)
63 {
64 return DCIx_md();
65 }
66
67 static __inline int __attribute__((__unused__))
68 DCIU_md(void)
69 {
70 return DCIx_md();
71 }
72
73 static __inline int __attribute__((__unused__))
74 PCIA_md(void)
75 {
76 volatile uint8_t *p = cache_clr;
77
78 if (ectype != EC_PHYS) {
79 return 0;
80 }
81
82 *p = 0xff;
83 return 1;
84 }
85 #endif /* _NEWS68K_CACHEOPS_MACHDEP_H_ */
86