Mercurial > ecos-v2_0-branch

annotate packages/hal/arm/cma230/current/include/hal_cache.h @ 58:6e51d764f8f1 ecos-sw-1999-12-10

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Merge from eCos master repository on 1999-12-10-07:47:04-GMT
author jlarmour
date Fri, 10 Dec 1999 15:30:44 +0000
parents 797268ecc331
children c38311975d4f
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####
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
12 //
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
13 // -------------------------------------------
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
14 // The contents of this file are subject to the Cygnus eCos Public License
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
15 // Version 1.0 (the "License"); you may not use this file except in
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
16 // compliance with the License. You may obtain a copy of the License at
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
17 // http://sourceware.cygnus.com/ecos
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
18 //
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
19 // Software distributed under the License is distributed on an "AS IS"
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
20 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
21 // License for the specific language governing rights and limitations under
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
22 // the License.
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
23 //
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
24 // The Original Code is eCos - Embedded Cygnus Operating System, released
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
25 // September 30, 1998.
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
26 //
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
27 // The Initial Developer of the Original Code is Cygnus. Portions created
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
28 // by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions. All Rights Reserved.
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
29 // -------------------------------------------
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
30 //
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
31 //####COPYRIGHTEND####
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
32 //=============================================================================
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
33 //#####DESCRIPTIONBEGIN####
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 // Author(s): nickg, gthomas
58
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
36 // Contributors: nickg, gthomas, msalter
46
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
37 // Date: 1998-09-28
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
38 // Purpose: Cache control API
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
39 // 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
40 // cache control operations.
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
41 // Usage:
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
42 // #include <cyg/hal/hal_cache.h>
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
43 // ...
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
44 //
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 //####DESCRIPTIONEND####
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 //=============================================================================
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 #include <cyg/infra/cyg_type.h>
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
51
58
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
52 #ifdef __CMA222
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
53 //-----------------------------------------------------------------------------
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
54 // Cache dimensions
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 #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
57 #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
58 #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
59 #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
60
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
61 #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
62
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
63 //-----------------------------------------------------------------------------
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
64 // Global control of caches
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 // 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
67 #if 0
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
68 // Enable the data cache
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
69 // 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
70 // 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
71 // 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
72
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
73 #define HAL_UCACHE_ENABLE() \
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 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
76 "orr r1,r1,#0x000C;" \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
77 "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
78 : \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
79 : \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
80 : "r1" /* Clobber list */ \
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 \
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 // Disable the data cache
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
86 #define HAL_UCACHE_DISABLE() \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
87 { \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
88 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
89 "bic r1,r1,#0x000C;" \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
90 "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
91 : \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
92 : \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
93 : "r1" /* Clobber list */ \
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 \
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 #else
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
98 #define HAL_UCACHE_ENABLE() \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
99 { \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
100 asm volatile ("mov r1,#0x7D;" \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
101 "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
102 : \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
103 : \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
104 : "r1" /* Clobber list */ \
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 \
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 // Disable the data cache
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
110 #define HAL_UCACHE_DISABLE() \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
111 { \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
112 asm volatile ("mov r1,#0x71;" \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
113 "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
114 : \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
115 : \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
116 : "r1" /* Clobber list */ \
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 \
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 #endif
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 // Is the cache turned on?
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
123 #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
124
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
125 // Invalidate the entire cache
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
126 // mcr MMU_CP,0,r1,MMU_InvalidateCache,c0
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
127 #define HAL_UCACHE_INVALIDATE_ALL() \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
128 { \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
129 asm volatile ("mcr p15,0,r1,c7,c0,0;" ); \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
130 \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
131 }
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
132
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
133 // 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
134 #define HAL_UCACHE_SYNC() \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
135 { \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
136 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
137 int i; \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
138 volatile cyg_uint32 val; \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
139 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
140 val = *ROM; \
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
141 ROM += HAL_UCACHE_LINE_SIZE; \
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 }
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
144
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
145 // Purge contents of data cache
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
146 #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
147
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
148 //-----------------------------------------------------------------------------
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
149 // Data cache line control
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 // 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
152 // for the given address range.
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
153 #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
154
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
155 // 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
156 #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
157
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
158 #endif // ifdef __CMA222
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
159
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
160 #ifdef HAL_CACHE_UNIFIED
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 // Global control of data cache
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
163
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
164 #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
165 #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
166 #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
167 #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
168
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
169 // Enable the data cache
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
170 #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
171
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
172 // Disable the data cache
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
173 #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
174
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
175 // Invalidate the entire cache
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
176 #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
177
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
178 // 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
179 #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
180
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
181 // 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
182 #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
183
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 // Data cache line control
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
186
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
187 // 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
188 // for the given address range.
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
189 #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
190
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
191 // 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
192 #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
193
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
194 //-----------------------------------------------------------------------------
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
195 // 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
196 // are not separatable.
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 #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
199 #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
200 #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
201 #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
202
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
203 // Enable the instruction cache
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
204 #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
205
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
206 // Disable the instruction cache
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
207 #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
208
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
209 // Invalidate the entire cache
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
210 #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
211
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
212 // 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
213 #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
214
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
215 #else
46
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
216 //-----------------------------------------------------------------------------
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
217 // Cache dimensions
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
218
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
219 // Data cache
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
220 #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
221 #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
222 #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
223
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
224 // Instruction cache
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
225 #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
226 #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
227 #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
228
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
229 #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
230 #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
231
58
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
232
46
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
233 //-----------------------------------------------------------------------------
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
234 // Global control of data 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 // Enable the data cache
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
237 #define HAL_DCACHE_ENABLE()
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
238
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
239 // Disable the data cache
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
240 #define HAL_DCACHE_DISABLE()
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
241
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
242 // Invalidate the entire cache
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
243 #define HAL_DCACHE_INVALIDATE_ALL()
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
244
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
245 // 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
246 #define HAL_DCACHE_SYNC()
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
247
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
248 // Purge contents of data cache
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
249 #define HAL_DCACHE_PURGE_ALL()
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
250
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
251 // 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
252 //#define HAL_DCACHE_BURST_SIZE(_size_)
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
253
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
254 // Set the data cache write mode
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
255 //#define HAL_DCACHE_WRITE_MODE( _mode_ )
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
256
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
257 //#define HAL_DCACHE_WRITETHRU_MODE 0
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
258 //#define HAL_DCACHE_WRITEBACK_MODE 1
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
259
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
260 // 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
261 // 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
262 //#define HAL_DCACHE_LOCK(_base_, _size_)
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 // Undo a previous lock operation
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
265 //#define HAL_DCACHE_UNLOCK(_base_, _size_)
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 // Unlock entire cache
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
268 //#define HAL_DCACHE_UNLOCK_ALL()
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
269
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 // Data cache line control
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
272
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
273 // 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
274 // contents from memory.
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
275 //#define HAL_DCACHE_ALLOCATE( _base_ , _size_ )
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 // 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
278 // for the given address range.
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
279 //#define HAL_DCACHE_FLUSH( _base_ , _size_ )
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
280
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
281 // 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
282 //#define HAL_DCACHE_INVALIDATE( _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 for the given address range.
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
285 //#define HAL_DCACHE_STORE( _base_ , _size_ )
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
286
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
287 // 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
288 // from it later.
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
289 //#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
290
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
291 // 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
292 // to it later.
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
293 //#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
294
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
295 // 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
296 //#define HAL_DCACHE_ZERO( _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 //-----------------------------------------------------------------------------
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
299 // Global control of Instruction cache
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
300
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
301 // Enable the instruction cache
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
302 #define HAL_ICACHE_ENABLE()
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
303
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
304 // Disable the instruction cache
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
305 #define HAL_ICACHE_DISABLE()
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
306
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
307 // Invalidate the entire cache
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
308 #define HAL_ICACHE_INVALIDATE_ALL()
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
309
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
310 // 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
311 #define HAL_ICACHE_SYNC()
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
312
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
313 // 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
314 //#define HAL_ICACHE_BURST_SIZE(_size_)
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
315
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
316 // 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
317 // 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
318 //#define HAL_ICACHE_LOCK(_base_, _size_)
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 // Undo a previous lock operation
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
321 //#define HAL_ICACHE_UNLOCK(_base_, _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 // Unlock entire cache
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
324 //#define HAL_ICACHE_UNLOCK_ALL()
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
325
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 // Instruction cache line control
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
328
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
329 // 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
330 //#define HAL_ICACHE_INVALIDATE( _base_ , _size_ )
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
331
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
332 //-----------------------------------------------------------------------------
58
6e51d764f8f1 Merge from eCos master repository on 1999-12-10-07:47:04-GMT
jlarmour
parents: 46
diff changeset
333 #endif // ifndef HAL_CACHE_UNIFIED
46
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
334 #endif // ifndef CYGONCE_HAL_CACHE_H
797268ecc331 Merge from eCos master repository on 1999-10-19-18:55:31-BST
jlarmour
parents:
diff changeset
335 // End of hal_cache.h