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1 /*
2  * Copyright (c) 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3  * Copyright (c) 2010 Mike Frysinger <vapier@gentoo.org>
4  * Copyright (c) 2010 Carmelo Amoroso <carmelo.amoroso@st.com>
5  * Copyright (c) 2015 Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
6  * Copyright (c) 2014-2015 Dmitry V. Levin <ldv@altlinux.org>
7  * Copyright (c) 2014-2017 The strace developers.
8  * All rights reserved.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. The name of the author may not be used to endorse or promote products
19  *    derived from this software without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #include "defs.h"
34 
35 #ifdef HAVE_ASM_CACHECTL_H
36 # include <asm/cachectl.h>
37 #endif
38 
39 #ifdef M68K
40 # include "xlat/cacheflush_scope.h"
41 
42 static const struct xlat cacheflush_flags[] = {
43 #ifdef FLUSH_CACHE_BOTH
44 	XLAT(FLUSH_CACHE_BOTH),
45 #endif
46 #ifdef FLUSH_CACHE_DATA
47 	XLAT(FLUSH_CACHE_DATA),
48 #endif
49 #ifdef FLUSH_CACHE_INSN
50 	XLAT(FLUSH_CACHE_INSN),
51 #endif
52 	XLAT_END
53 };
54 
SYS_FUNC(cacheflush)55 SYS_FUNC(cacheflush)
56 {
57 	/* addr */
58 	printaddr(tcp->u_arg[0]);
59 	tprints(", ");
60 	/* scope */
61 	printxval(cacheflush_scope, tcp->u_arg[1], "FLUSH_SCOPE_???");
62 	tprints(", ");
63 	/* flags */
64 	printflags(cacheflush_flags, tcp->u_arg[2], "FLUSH_CACHE_???");
65 	/* len */
66 	tprintf(", %lu", tcp->u_arg[3]);
67 
68 	return RVAL_DECODED;
69 }
70 #endif /* M68K */
71 
72 #ifdef BFIN
73 static const struct xlat cacheflush_flags[] = {
74 	XLAT(ICACHE),
75 	XLAT(DCACHE),
76 	XLAT(BCACHE),
77 	XLAT_END
78 };
79 
SYS_FUNC(cacheflush)80 SYS_FUNC(cacheflush)
81 {
82 	/* start addr */
83 	printaddr(tcp->u_arg[0]);
84 	/* length */
85 	tprintf(", %lu, ", tcp->u_arg[1]);
86 	/* flags */
87 	printxval(cacheflush_flags, tcp->u_arg[2], "?CACHE");
88 
89 	return RVAL_DECODED;
90 }
91 #endif /* BFIN */
92 
93 #ifdef SH
94 static const struct xlat cacheflush_flags[] = {
95 #ifdef CACHEFLUSH_D_INVAL
96 	XLAT(CACHEFLUSH_D_INVAL),
97 #endif
98 #ifdef CACHEFLUSH_D_WB
99 	XLAT(CACHEFLUSH_D_WB),
100 #endif
101 #ifdef CACHEFLUSH_D_PURGE
102 	XLAT(CACHEFLUSH_D_PURGE),
103 #endif
104 #ifdef CACHEFLUSH_I
105 	XLAT(CACHEFLUSH_I),
106 #endif
107 	XLAT_END
108 };
109 
SYS_FUNC(cacheflush)110 SYS_FUNC(cacheflush)
111 {
112 	/* addr */
113 	printaddr(tcp->u_arg[0]);
114 	/* len */
115 	tprintf(", %lu, ", tcp->u_arg[1]);
116 	/* flags */
117 	printflags(cacheflush_flags, tcp->u_arg[2], "CACHEFLUSH_???");
118 
119 	return RVAL_DECODED;
120 }
121 #endif /* SH */
122 
123 #ifdef NIOS2
SYS_FUNC(cacheflush)124 SYS_FUNC(cacheflush)
125 {
126 	/* addr */
127 	printaddr(tcp->u_arg[0]);
128 	/* len */
129 	tprintf(", %lu, ", tcp->u_arg[3]);
130 	/* scope and flags (cache type) are currently ignored */
131 
132 	return RVAL_DECODED;
133 }
134 #endif /* NIOS2 */
135