cache_tx39.h revision 1.2 1 /* $NetBSD: cache_tx39.h,v 1.2 2001/11/14 18:26:22 thorpej Exp $ */
2
3 /*-
4 * Copyright (c) 1999, 2000, 2001 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by UCHIYAMA Yasushi; and by Jason R. Thorpe.
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. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 /*
40 * Cache definitions/operations for TX3900-style caches.
41 *
42 * XXX THIS IS NOT YET COMPLETE.
43 */
44
45 #define CACHE_TX39_I 0
46 #define CACHE_TX39_D 1
47
48 #define CACHEOP_TX3900_INDEX_INV (0 << 2) /* I */
49 #define CACHEOP_TX3900_ILRUC (1 << 2) /* I, D */
50 #define CACHEOP_TX3900_ILCKC (2 << 2) /* D */
51 #define CACHEOP_TX3900_HIT_INV (4 << 2) /* D */
52
53 #define CACHEOP_TX3920_INDEX_INV CACHEOP_TX3900_INDEX_INV
54 #define CACHEOP_TX3920_INDEX_WB_INV (0 << 2) /* D */
55 #define CACHEOP_TX3920_ILRUC CACHEOP_TX3900_ILRUC
56 #define CACHEOP_TX3920_INDEX_LOAD_TAG (3 << 2) /* I, D */
57 #define CACHEOP_TX3920_HIT_INV (4 << 2) /* I, D */
58 #define CACHEOP_TX3920_HIT_WB_INV (5 << 2) /* D */
59 #define CACHEOP_TX3920_HIT_WB (6 << 2) /* D */
60 #define CACHEOP_TX3920_ISTTAG (7 << 2) /* I, D */
61
62 #ifdef _KERNEL
63 #ifndef _LOCORE
64
65 /*
66 * cache_tx39_op_line:
67 *
68 * Perform the specified cache operation on a single line.
69 */
70 #define cache_op_tx39_line(va, op) \
71 do { \
72 __asm __volatile( \
73 ".set noreorder \n\t" \
74 ".set push \n\t" \
75 ".set mips3 \n\t" \
76 "cache %1, 0(%0) \n\t" \
77 ".set pop \n\t" \
78 ".set reorder" \
79 : \
80 : "r" (va), "i" (op) \
81 : "memory"); \
82 } while (/*CONSTCOND*/0)
83
84 /*
85 * cache_tx39_op_32lines_4:
86 *
87 * Perform the specified cache operation on 32 4-byte
88 * cache lines.
89 */
90 #define cache_tx39_op_32lines_4(va, op) \
91 do { \
92 __asm __volatile( \
93 ".set noreorder \n\t" \
94 ".set push \n\t" \
95 ".set mips3 \n\t" \
96 "cache %1, 0x00(%0); cache %1, 0x04(%0); \n\t" \
97 "cache %1, 0x08(%0); cache %1, 0x0c(%0); \n\t" \
98 "cache %1, 0x10(%0); cache %1, 0x14(%0); \n\t" \
99 "cache %1, 0x18(%0); cache %1, 0x1c(%0); \n\t" \
100 "cache %1, 0x20(%0); cache %1, 0x24(%0); \n\t" \
101 "cache %1, 0x28(%0); cache %1, 0x2c(%0); \n\t" \
102 "cache %1, 0x30(%0); cache %1, 0x34(%0); \n\t" \
103 "cache %1, 0x38(%0); cache %1, 0x3c(%0); \n\t" \
104 "cache %1, 0x40(%0); cache %1, 0x44(%0); \n\t" \
105 "cache %1, 0x48(%0); cache %1, 0x4c(%0); \n\t" \
106 "cache %1, 0x50(%0); cache %1, 0x54(%0); \n\t" \
107 "cache %1, 0x58(%0); cache %1, 0x5c(%0); \n\t" \
108 "cache %1, 0x60(%0); cache %1, 0x64(%0); \n\t" \
109 "cache %1, 0x68(%0); cache %1, 0x6c(%0); \n\t" \
110 "cache %1, 0x70(%0); cache %1, 0x74(%0); \n\t" \
111 "cache %1, 0x78(%0); cache %1, 0x7c(%0); \n\t" \
112 ".set pop \n\t" \
113 ".set reorder" \
114 : \
115 : "r" (va), "i" (op) \
116 : "memory"); \
117 } while (/*CONSTCOND*/0)
118
119 /*
120 * cache_tx39_op_32lines_16:
121 *
122 * Perform the specified cache operation on 32 16-byte
123 * cache lines.
124 */
125 #define cache_tx39_op_32lines_16(va, op) \
126 do { \
127 __asm __volatile( \
128 ".set noreorder \n\t" \
129 ".set push \n\t" \
130 ".set mips3 \n\t" \
131 "cache %1, 0x000(%0); cache %1, 0x010(%0); \n\t" \
132 "cache %1, 0x020(%0); cache %1, 0x030(%0); \n\t" \
133 "cache %1, 0x040(%0); cache %1, 0x050(%0); \n\t" \
134 "cache %1, 0x060(%0); cache %1, 0x070(%0); \n\t" \
135 "cache %1, 0x080(%0); cache %1, 0x090(%0); \n\t" \
136 "cache %1, 0x0a0(%0); cache %1, 0x0b0(%0); \n\t" \
137 "cache %1, 0x0c0(%0); cache %1, 0x0d0(%0); \n\t" \
138 "cache %1, 0x0e0(%0); cache %1, 0x0f0(%0); \n\t" \
139 "cache %1, 0x100(%0); cache %1, 0x110(%0); \n\t" \
140 "cache %1, 0x120(%0); cache %1, 0x130(%0); \n\t" \
141 "cache %1, 0x140(%0); cache %1, 0x150(%0); \n\t" \
142 "cache %1, 0x160(%0); cache %1, 0x170(%0); \n\t" \
143 "cache %1, 0x180(%0); cache %1, 0x190(%0); \n\t" \
144 "cache %1, 0x1a0(%0); cache %1, 0x1b0(%0); \n\t" \
145 "cache %1, 0x1c0(%0); cache %1, 0x1d0(%0); \n\t" \
146 "cache %1, 0x1e0(%0); cache %1, 0x1f0(%0); \n\t" \
147 ".set pop \n\t" \
148 ".set reorder" \
149 : \
150 : "r" (va), "i" (op) \
151 : "memory"); \
152 } while (/*CONSTCOND*/0)
153
154 void tx3900_icache_sync_all_16(void);
155 void tx3900_icache_sync_range_16(vaddr_t, vsize_t);
156
157 void tx3900_pdcache_wbinv_all_4(void);
158
159 void tx3900_pdcache_inv_range_4(vaddr_t, vsize_t);
160 void tx3900_pdcache_wb_range_4(vaddr_t, vsize_t);
161
162 void tx3920_icache_sync_all_16wb(void);
163 void tx3920_icache_sync_range_16wt(vaddr_t, vsize_t);
164 void tx3920_icache_sync_range_16wb(vaddr_t, vsize_t);
165
166 void tx3920_pdcache_wbinv_all_16wt(void);
167 void tx3920_pdcache_wbinv_all_16wb(void);
168 void tx3920_pdcache_wbinv_range_16wb(vaddr_t, vsize_t);
169
170 void tx3920_pdcache_inv_range_16(vaddr_t, vsize_t);
171 void tx3920_pdcache_wb_range_16wt(vaddr_t, vsize_t);
172 void tx3920_pdcache_wb_range_16wb(vaddr_t, vsize_t);
173
174 void tx3900_icache_do_inv_index_16(vaddr_t, vsize_t);
175 void tx3920_icache_do_inv_16(vaddr_t, vsize_t);
176
177 #endif /* !_LOCORE */
178 #endif /* _KERNEL */
179