Mercurial > flash_v2

annotate packages/hal/arm/cma230/current/include/hal_cache.h @ 143:6b5f480c6929 ecos-sw-2000-12-08

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Merge from eCos master repository on 2000-12-08-02:09:36-GMT
author jlarmour
date Fri, 08 Dec 2000 03:30:06 +0000
parents bf00f99aec69
children ac086aa3217e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
46
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
1 #ifndef CYGONCE_HAL_CACHE_H
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
2 #define CYGONCE_HAL_CACHE_H
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
3
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
4 //=============================================================================
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
5 //
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
6 // hal_cache.h
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
7 //
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
8 // HAL cache control API
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
9 //
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
10 //=============================================================================
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
11 //####COPYRIGHTBEGIN####
64
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 58
diff changeset
12 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 58
diff changeset
13 // -------------------------------------------
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 58
diff changeset
14 // The contents of this file are subject to the Red Hat eCos Public License
66
bf00f99aec69 Merge from eCos master repository on 2000-02-02-19:16:44-GMT
jlarmour
parents: 64
diff changeset
15 // Version 1.1 (the "License"); you may not use this file except in
64
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 58
diff changeset
16 // compliance with the License. You may obtain a copy of the License at
66
bf00f99aec69 Merge from eCos master repository on 2000-02-02-19:16:44-GMT
jlarmour
parents: 64
diff changeset
17 // http://www.redhat.com/
64
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 58
diff changeset
18 //
66
bf00f99aec69 Merge from eCos master repository on 2000-02-02-19:16:44-GMT
jlarmour
parents: 64
diff changeset
19 // Software distributed under the License is distributed on an "AS IS"
64
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 58
diff changeset
20 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 58
diff changeset
21 // License for the specific language governing rights and limitations under
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 58
diff changeset
22 // the License.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 58
diff changeset
23 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 58
diff changeset
24 // The Original Code is eCos - Embedded Configurable Operating System,
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 58
diff changeset
25 // released September 30, 1998.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 58
diff changeset
26 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 58
diff changeset
27 // The Initial Developer of the Original Code is Red Hat.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 58
diff changeset
28 // Portions created by Red Hat are
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 58
diff changeset
29 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 58
diff changeset
30 // All Rights Reserved.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 58
diff changeset
31 // -------------------------------------------
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT
jlarmour
parents: 58
diff changeset
32 //
46
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
33 //####COPYRIGHTEND####
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
34 //=============================================================================
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
35 //#####DESCRIPTIONBEGIN####
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
36 //
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
37 // Author(s): nickg, gthomas
58
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
38 // Contributors: nickg, gthomas, msalter
46
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
39 // Date: 1998-09-28
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
40 // Purpose: Cache control API
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
41 // Description: The macros defined here provide the HAL APIs for handling
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
42 // cache control operations.
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
43 // Usage:
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
44 // #include <cyg/hal/hal_cache.h>
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
45 // ...
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
46 //
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
47 //
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
48 //####DESCRIPTIONEND####
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
49 //
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
50 //=============================================================================
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
51
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
52 #include <cyg/infra/cyg_type.h>
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
53
58
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
54 #ifdef __CMA222
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
55 //-----------------------------------------------------------------------------
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
56 // Cache dimensions
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
57
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
58 #define HAL_UCACHE_SIZE 0x2000 // Size of data cache in bytes
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
59 #define HAL_UCACHE_LINE_SIZE 16 // Size of a data cache line
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
60 #define HAL_UCACHE_WAYS 4 // Associativity of the cache
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
61 #define HAL_UCACHE_SETS (HAL_UCACHE_SIZE/(HAL_UCACHE_LINE_SIZE*HAL_UCACHE_WAYS))
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
62
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
63 #define HAL_CACHE_UNIFIED // Let programs know the caches are combined
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
64
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
65 //-----------------------------------------------------------------------------
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
66 // Global control of caches
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
67
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
68 // Note: the 'mrc' doesn't seem to work.
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
69 #if 0
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
70 // Enable the data cache
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
71 // mrc MMU_CP,0,r1,MMU_Control,c0
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
72 // orr r1,r1,#MMU_Control_C|MMU_Control_B
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
73 // mcr MMU_CP,0,r1,MMU_Control,c0
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
74
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
75 #define HAL_UCACHE_ENABLE() \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
76 { \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
77 asm volatile ("mrc p15,0,r1,c1,c0;" \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
78 "orr r1,r1,#0x000C;" \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
79 "mcr p15,0,r1,c1,c0;" \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
80 : \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
81 : \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
82 : "r1" /* Clobber list */ \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
83 ); \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
84 \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
85 }
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
86
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
87 // Disable the data cache
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
88 #define HAL_UCACHE_DISABLE() \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
89 { \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
90 asm volatile ("mrc p15,0,r1,c1,c0;" \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
91 "bic r1,r1,#0x000C;" \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
92 "mcr p15,0,r1,c1,c0;" \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
93 : \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
94 : \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
95 : "r1" /* Clobber list */ \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
96 ); \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
97 \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
98 }
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
99 #else
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
100 #define HAL_UCACHE_ENABLE() \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
101 { \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
102 asm volatile ("mov r1,#0x7D;" \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
103 "mcr p15,0,r1,c1,c0;" \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
104 : \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
105 : \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
106 : "r1" /* Clobber list */ \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
107 ); \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
108 \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
109 }
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
110
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
111 // Disable the data cache
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
112 #define HAL_UCACHE_DISABLE() \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
113 { \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
114 asm volatile ("mov r1,#0x71;" \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
115 "mcr p15,0,r1,c1,c0;" \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
116 : \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
117 : \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
118 : "r1" /* Clobber list */ \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
119 ); \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
120 \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
121 }
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
122 #endif
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
123
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
124 // Is the cache turned on?
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
125 #define HAL_UCACHE_IS_ENABLED(_state_) _state_ = 1;
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
126
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
127 // Invalidate the entire cache
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
128 // mcr MMU_CP,0,r1,MMU_InvalidateCache,c0
143
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT
jlarmour
parents: 66
diff changeset
129 #define HAL_UCACHE_INVALIDATE_ALL() \
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT
jlarmour
parents: 66
diff changeset
130 { \
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT
jlarmour
parents: 66
diff changeset
131 asm volatile ( \
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT
jlarmour
parents: 66
diff changeset
132 "mov r1,#0;" \
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT
jlarmour
parents: 66
diff changeset
133 "mcr p15,0,r1,c7,c0,0;" \
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT
jlarmour
parents: 66
diff changeset
134 : \
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT
jlarmour
parents: 66
diff changeset
135 : \
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT
jlarmour
parents: 66
diff changeset
136 : "r1","memory" /* Clobber list */ \
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT
jlarmour
parents: 66
diff changeset
137 ); \
58
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
138 }
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
139
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
140 // Synchronize the contents of the cache with memory.
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
141 #define HAL_UCACHE_SYNC() \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
142 { \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
143 cyg_uint32 *ROM = (cyg_uint32 *)0xE0000000; \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
144 int i; \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
145 volatile cyg_uint32 val; \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
146 for (i = 0; i < HAL_UCACHE_SETS; i++) { \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
147 val = *ROM; \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
148 ROM += HAL_UCACHE_LINE_SIZE; \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
149 } \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
150 }
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
151
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
152 // Purge contents of data cache
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
153 #define HAL_UCACHE_PURGE_ALL() HAL_UCACHE_INVALIDATE_ALL()
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
154
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
155 //-----------------------------------------------------------------------------
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
156 // Data cache line control
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
157
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
158 // Write dirty cache lines to memory and invalidate the cache entries
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
159 // for the given address range.
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
160 #define HAL_UCACHE_FLUSH( _base_ , _size_ ) HAL_UCACHE_SYNC()
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
161
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
162 // Write dirty cache lines to memory for the given address range.
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
163 #define HAL_UCACHE_STORE( _base_ , _size_ ) HAL_UCACHE_SYNC()
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
164
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
165 #endif // ifdef __CMA222
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
166
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
167 #ifdef HAL_CACHE_UNIFIED
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
168 //-----------------------------------------------------------------------------
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
169 // Global control of data cache
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
170
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
171 #define HAL_DCACHE_SIZE HAL_UCACHE_SIZE
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
172 #define HAL_DCACHE_LINE_SIZE HAL_UCACHE_LINE_SIZE
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
173 #define HAL_DCACHE_WAYS HAL_UCACHE_WAYS
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
174 #define HAL_DCACHE_SETS HAL_UCACHE_SETS
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
175
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
176 // Enable the data cache
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
177 #define HAL_DCACHE_ENABLE() HAL_UCACHE_ENABLE()
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
178
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
179 // Disable the data cache
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
180 #define HAL_DCACHE_DISABLE() HAL_UCACHE_DISABLE()
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
181
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
182 // Invalidate the entire cache
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
183 #define HAL_DCACHE_INVALIDATE_ALL() HAL_UCACHE_INVALIDATE_ALL()
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
184
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
185 // Synchronize the contents of the cache with memory.
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
186 #define HAL_DCACHE_SYNC() HAL_UCACHE_SYNC()
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
187
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
188 // Query the state of the data cache
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
189 #define HAL_DCACHE_IS_ENABLED(_state_) HAL_UCACHE_IS_ENABLED(_state_)
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
190
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
191 //-----------------------------------------------------------------------------
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
192 // Data cache line control
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
193
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
194 // Write dirty cache lines to memory and invalidate the cache entries
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
195 // for the given address range.
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
196 #define HAL_DCACHE_FLUSH( _base_ , _size_ ) HAL_UCACHE_FLUSH( _base_ , _size_ )
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
197
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
198 // Write dirty cache lines to memory for the given address range.
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
199 #define HAL_DCACHE_STORE( _base_ , _size_ ) HAL_UCACHE_STORE( _base_ , _size_ )
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
200
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
201 //-----------------------------------------------------------------------------
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
202 // Global control of Instruction cache - use Data cache controls since they
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
203 // are not separatable.
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
204
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
205 #define HAL_ICACHE_SIZE HAL_UCACHE_SIZE
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
206 #define HAL_ICACHE_LINE_SIZE HAL_UCACHE_LINE_SIZE
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
207 #define HAL_ICACHE_WAYS HAL_UCACHE_WAYS
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
208 #define HAL_ICACHE_SETS HAL_UCACHE_SETS
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
209
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
210 // Enable the instruction cache
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
211 #define HAL_ICACHE_ENABLE() HAL_UCACHE_ENABLE()
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
212
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
213 // Disable the instruction cache
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
214 #define HAL_ICACHE_DISABLE() HAL_UCACHE_DISABLE()
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
215
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
216 // Invalidate the entire cache
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
217 #define HAL_ICACHE_INVALIDATE_ALL() HAL_UCACHE_INVALIDATE_ALL()
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
218
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
219 // Synchronize the contents of the cache with memory.
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
220 #define HAL_ICACHE_SYNC() HAL_UCACHE_SYNC()
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
221
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
222 #else
46
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
223 //-----------------------------------------------------------------------------
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
224 // Cache dimensions
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
225
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
226 // Data cache
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
227 #define HAL_DCACHE_SIZE 0 // Size of data cache in bytes
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
228 #define HAL_DCACHE_LINE_SIZE 0 // Size of a data cache line
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
229 #define HAL_DCACHE_WAYS 0 // Associativity of the cache
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
230
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
231 // Instruction cache
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
232 #define HAL_ICACHE_SIZE 0 // Size of cache in bytes
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
233 #define HAL_ICACHE_LINE_SIZE 0 // Size of a cache line
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
234 #define HAL_ICACHE_WAYS 0 // Associativity of the cache
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
235
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
236 #define HAL_DCACHE_SETS (HAL_DCACHE_SIZE/(HAL_DCACHE_LINE_SIZE*HAL_DCACHE_WAYS))
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
237 #define HAL_ICACHE_SETS (HAL_ICACHE_SIZE/(HAL_ICACHE_LINE_SIZE*HAL_ICACHE_WAYS))
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
238
58
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
239
46
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
240 //-----------------------------------------------------------------------------
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
241 // Global control of data cache
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
242
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
243 // Enable the data cache
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
244 #define HAL_DCACHE_ENABLE()
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
245
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
246 // Disable the data cache
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
247 #define HAL_DCACHE_DISABLE()
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
248
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
249 // Invalidate the entire cache
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
250 #define HAL_DCACHE_INVALIDATE_ALL()
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
251
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
252 // Synchronize the contents of the cache with memory.
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
253 #define HAL_DCACHE_SYNC()
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
254
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
255 // Purge contents of data cache
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
256 #define HAL_DCACHE_PURGE_ALL()
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
257
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
258 // Set the data cache refill burst size
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
259 //#define HAL_DCACHE_BURST_SIZE(_size_)
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
260
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
261 // Set the data cache write mode
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
262 //#define HAL_DCACHE_WRITE_MODE( _mode_ )
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
263
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
264 //#define HAL_DCACHE_WRITETHRU_MODE 0
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
265 //#define HAL_DCACHE_WRITEBACK_MODE 1
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
266
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
267 // Load the contents of the given address range into the data cache
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
268 // and then lock the cache so that it stays there.
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
269 //#define HAL_DCACHE_LOCK(_base_, _size_)
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
270
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
271 // Undo a previous lock operation
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
272 //#define HAL_DCACHE_UNLOCK(_base_, _size_)
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
273
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
274 // Unlock entire cache
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
275 //#define HAL_DCACHE_UNLOCK_ALL()
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
276
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
277 //-----------------------------------------------------------------------------
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
278 // Data cache line control
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
279
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
280 // Allocate cache lines for the given address range without reading its
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
281 // contents from memory.
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
282 //#define HAL_DCACHE_ALLOCATE( _base_ , _size_ )
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
283
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
284 // Write dirty cache lines to memory and invalidate the cache entries
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
285 // for the given address range.
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
286 //#define HAL_DCACHE_FLUSH( _base_ , _size_ )
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
287
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
288 // Invalidate cache lines in the given range without writing to memory.
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
289 //#define HAL_DCACHE_INVALIDATE( _base_ , _size_ )
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
290
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
291 // Write dirty cache lines to memory for the given address range.
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
292 //#define HAL_DCACHE_STORE( _base_ , _size_ )
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
293
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
294 // Preread the given range into the cache with the intention of reading
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
295 // from it later.
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
296 //#define HAL_DCACHE_READ_HINT( _base_ , _size_ )
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
297
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
298 // Preread the given range into the cache with the intention of writing
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
299 // to it later.
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
300 //#define HAL_DCACHE_WRITE_HINT( _base_ , _size_ )
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
301
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
302 // Allocate and zero the cache lines associated with the given range.
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
303 //#define HAL_DCACHE_ZERO( _base_ , _size_ )
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
304
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
305 //-----------------------------------------------------------------------------
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
306 // Global control of Instruction cache
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
307
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
308 // Enable the instruction cache
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
309 #define HAL_ICACHE_ENABLE()
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
310
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
311 // Disable the instruction cache
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
312 #define HAL_ICACHE_DISABLE()
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
313
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
314 // Invalidate the entire cache
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
315 #define HAL_ICACHE_INVALIDATE_ALL()
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
316
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
317 // Synchronize the contents of the cache with memory.
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
318 #define HAL_ICACHE_SYNC()
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
319
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
320 // Set the instruction cache refill burst size
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
321 //#define HAL_ICACHE_BURST_SIZE(_size_)
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
322
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
323 // Load the contents of the given address range into the instruction cache
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
324 // and then lock the cache so that it stays there.
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
325 //#define HAL_ICACHE_LOCK(_base_, _size_)
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
326
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
327 // Undo a previous lock operation
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
328 //#define HAL_ICACHE_UNLOCK(_base_, _size_)
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
329
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
330 // Unlock entire cache
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
331 //#define HAL_ICACHE_UNLOCK_ALL()
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
332
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
333 //-----------------------------------------------------------------------------
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
334 // Instruction cache line control
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
335
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
336 // Invalidate cache lines in the given range without writing to memory.
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
337 //#define HAL_ICACHE_INVALIDATE( _base_ , _size_ )
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
338
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
339 //-----------------------------------------------------------------------------
58
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
340 #endif // ifndef HAL_CACHE_UNIFIED
46
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
341 #endif // ifndef CYGONCE_HAL_CACHE_H
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
342 // End of hal_cache.h