Mercurial > ecos

annotate packages/hal/powerpc/mpc5xx/current/include/var_cache.h @ 3292:7f8e529b4d82 default tip

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix FREESCALE_EDMA_NBYTES_MLOFFYES_MLOFF() so it works with negative offsets.
author vae
date Wed, 29 Apr 2015 23:31:48 +0000
parents 74dbf4c3f2e1
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1 #ifndef CYGONCE_VAR_CACHE_H
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
2 #define CYGONCE_VAR_CACHE_H
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
3 //=============================================================================
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
4 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
5 // var_cache.h
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
6 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
7 // Variant HAL cache control API
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
8 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
9 //=============================================================================
2729
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
10 // ####ECOSGPLCOPYRIGHTBEGIN####
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
11 // -------------------------------------------
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
12 // This file is part of eCos, the Embedded Configurable Operating System.
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
13 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
14 //
2729
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
15 // eCos is free software; you can redistribute it and/or modify it under
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
16 // the terms of the GNU General Public License as published by the Free
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
17 // Software Foundation; either version 2 or (at your option) any later
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
18 // version.
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
19 //
2729
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
20 // eCos is distributed in the hope that it will be useful, but WITHOUT
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
21 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
22 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
23 // for more details.
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
24 //
2729
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
25 // You should have received a copy of the GNU General Public License
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
26 // along with eCos; if not, write to the Free Software Foundation, Inc.,
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
27 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
28 //
2729
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
29 // As a special exception, if other files instantiate templates or use
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
30 // macros or inline functions from this file, or you compile this file
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
31 // and link it with other works to produce a work based on this file,
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
32 // this file does not by itself cause the resulting work to be covered by
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
33 // the GNU General Public License. However the source code for this file
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
34 // must still be made available in accordance with section (3) of the GNU
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
35 // General Public License v2.
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
36 //
2729
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
37 // This exception does not invalidate any other reasons why a work based
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
38 // on this file might be covered by the GNU General Public License.
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
39 // -------------------------------------------
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
40 // ####ECOSGPLCOPYRIGHTEND####
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
41 //=============================================================================
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
42 //#####DESCRIPTIONBEGIN####
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
43 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
44 // Author(s): Bob Koninckx
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
45 // Contributors:Bob Koninckx
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
46 // Date: 2001-12-11
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
47 // Purpose: Variant cache control API
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
48 // Description: The macros defined here provide the HAL APIs for handling
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
49 // cache control operations on the MPC8xx variant CPUs.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
50 // Usage: Is included via the architecture cache header:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
51 // #include <cyg/hal/hal_cache.h>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
52 // ...
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
53 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
54 //####DESCRIPTIONEND####
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
55 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
56 //=============================================================================
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
57
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
58 #include <pkgconf/hal.h>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
59 #include <cyg/infra/cyg_type.h>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
60
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
61 #include <cyg/hal/ppc_regs.h>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
62
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
63 #include <cyg/hal/plf_cache.h>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
64
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
65
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
66 //-----------------------------------------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
67 // MPC5xx has no data or instruction cache. This is going to be a relatively
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
68 // simple file
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
69
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
70 //-----------------------------------------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
71 // Global control of data cache
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
72
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
73 // Enable the data cache
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
74 #define HAL_DCACHE_ENABLE() \
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
75 CYG_MACRO_START \
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
76 CYG_MACRO_END
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
77
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
78 // Disable the data cache
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
79 #define HAL_DCACHE_DISABLE() \
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
80 CYG_MACRO_START \
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
81 CYG_MACRO_END
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
82
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
83 // Invalidate the entire cache
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
84 #define HAL_DCACHE_INVALIDATE_ALL() \
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
85 CYG_MACRO_START \
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
86 CYG_MACRO_END
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
87
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
88 // Synchronize the contents of the cache with memory.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
89 #define HAL_DCACHE_SYNC() \
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
90 CYG_MACRO_START \
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
91 CYG_MACRO_END
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
92
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
93 // Query the state of the data cache
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
94 #define HAL_DCACHE_IS_ENABLED(_state_) \
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
95 CYG_MACRO_START \
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
96 _state_ = 0; \
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
97 CYG_MACRO_END
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
98
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
99 // Load the contents of the given address range into the data cache
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
100 // and then lock the cache so that it stays there.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
101
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
102 //#define HAL_DCACHE_LOCK(_base_, _size_)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
103
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
104 // Undo a previous lock operation
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
105 //#define HAL_DCACHE_UNLOCK(_base_, _size_)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
106
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
107 // Unlock entire cache
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
108 //#define HAL_DCACHE_UNLOCK_ALL()
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
109
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
110
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
111 //-----------------------------------------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
112 // Data cache line control
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
113
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
114 // Write dirty cache lines to memory and invalidate the cache entries
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
115 // for the given address range.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
116 //#define HAL_DCACHE_FLUSH( _base_ , _size_ )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
117
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
118 // Invalidate cache lines in the given range without writing to memory.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
119 //#define HAL_DCACHE_INVALIDATE( _base_ , _size_ )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
120
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
121 // Write dirty cache lines to memory for the given address range.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
122 //#define HAL_DCACHE_STORE( _base_ , _size_ )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
123
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
124 // Preread the given range into the cache with the intention of reading
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
125 // from it later.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
126 //#define HAL_DCACHE_READ_HINT( _base_ , _size_ )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
127
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
128 // Preread the given range into the cache with the intention of writing
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
129 // to it later.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
130 //#define HAL_DCACHE_WRITE_HINT( _base_ , _size_ )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
131
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
132 // Allocate and zero the cache lines associated with the given range.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
133 //#define HAL_DCACHE_ZERO( _base_ , _size_ )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
134
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
135 //-----------------------------------------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
136 // Global control of Instruction cache
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
137
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
138 // Enable the instruction cache
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
139 #define HAL_ICACHE_ENABLE() \
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
140 CYG_MACRO_START \
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
141 CYG_MACRO_END
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
142
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
143 // Disable the instruction cache
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
144 #define HAL_ICACHE_DISABLE() \
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
145 CYG_MACRO_START \
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
146 CYG_MACRO_END
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
147
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
148 // Invalidate the entire cache
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
149 #define HAL_ICACHE_INVALIDATE_ALL() \
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
150 CYG_MACRO_START \
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
151 CYG_MACRO_END
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
152
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
153 // Synchronize the contents of the cache with memory.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
154 #define HAL_ICACHE_SYNC() \
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
155 CYG_MACRO_START \
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
156 CYG_MACRO_END
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
157
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
158 // Query the state of the instruction cache
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
159 #define HAL_ICACHE_IS_ENABLED(_state_) \
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
160 CYG_MACRO_START \
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
161 _state_ = 0; \
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
162 CYG_MACRO_END
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
163
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
164 // Load the contents of the given address range into the instruction cache
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
165 // and then lock the cache so that it stays there.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
166 //#define HAL_ICACHE_LOCK(_base_, _size_)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
167
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
168 // Undo a previous lock operation
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
169 //#define HAL_ICACHE_UNLOCK(_base_, _size_)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
170
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
171 // Unlock entire cache
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
172 //#define HAL_ICACHE_UNLOCK_ALL()
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
173
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
174 //-----------------------------------------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
175 #endif // ifndef CYGONCE_VAR_CACHE_H
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
176 // End of var_cache.h