Mercurial > ecos
annotate packages/hal/sparclite/sim/current/include/hal_cache.h @ 3292:7f8e529b4d82 default tip
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 |
| rev | line source |
|---|---|
| 2 | 1 #ifndef CYGONCE_HAL_CACHE_H |
| 2 #define CYGONCE_HAL_CACHE_H | |
| 3 | |
| 4 //============================================================================= | |
| 5 // | |
| 6 // hal_cache.h | |
| 7 // | |
| 8 // HAL Cache control support (such as it is in the simulator) | |
| 9 // | |
| 10 //============================================================================= | |
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11 // ####ECOSGPLCOPYRIGHTBEGIN#### |
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12 // ------------------------------------------- |
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13 // This file is part of eCos, the Embedded Configurable Operating System. |
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14 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. |
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15 // |
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16 // eCos is free software; you can redistribute it and/or modify it under |
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17 // the terms of the GNU General Public License as published by the Free |
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18 // Software Foundation; either version 2 or (at your option) any later |
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19 // version. |
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20 // |
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21 // eCos is distributed in the hope that it will be useful, but WITHOUT |
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22 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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23 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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24 // for more details. |
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25 // |
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26 // You should have received a copy of the GNU General Public License |
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27 // along with eCos; if not, write to the Free Software Foundation, Inc., |
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28 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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29 // |
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30 // As a special exception, if other files instantiate templates or use |
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31 // macros or inline functions from this file, or you compile this file |
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32 // and link it with other works to produce a work based on this file, |
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33 // this file does not by itself cause the resulting work to be covered by |
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34 // the GNU General Public License. However the source code for this file |
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35 // must still be made available in accordance with section (3) of the GNU |
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36 // General Public License v2. |
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37 // |
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38 // This exception does not invalidate any other reasons why a work based |
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39 // on this file might be covered by the GNU General Public License. |
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40 // ------------------------------------------- |
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41 // ####ECOSGPLCOPYRIGHTEND#### |
| 2 | 42 //============================================================================= |
| 43 //#####DESCRIPTIONBEGIN#### | |
| 44 // | |
| 45 // Author(s): nickg, gthomas, hmt | |
| 46 // Contributors: nickg, gthomas, hmt | |
| 47 // Date: 1999-01-28 | |
| 48 // Purpose: Define Interrupt support | |
| 49 // Description: The macros defined here provide the HAL APIs for handling | |
| 50 // the caches. | |
| 51 // | |
| 52 // Usage: | |
| 53 // #include <cyg/hal/hal_cache.h> | |
| 54 // ... | |
| 55 // | |
| 56 // | |
| 57 //####DESCRIPTIONEND#### | |
| 58 // | |
| 59 //============================================================================= | |
| 60 | |
| 61 #include <pkgconf/hal.h> | |
| 62 #include <pkgconf/hal_sparclite.h> | |
| 63 | |
| 64 #include <cyg/infra/cyg_type.h> | |
| 65 | |
| 66 //----------------------------------------------------------------------------- | |
| 67 // SPARClite cache macros | |
| 68 | |
| 69 //----------------------------------------------------------------------------- | |
| 70 // Cache dimensions | |
| 71 | |
| 72 // Data cache | |
| 73 #define HAL_DCACHE_SIZE 0x800 // Size of data cache in bytes | |
| 74 #define HAL_DCACHE_LINE_SIZE 4 // Size of a data cache line | |
| 75 #define HAL_DCACHE_WAYS 4 // Associativity of the cache | |
| 76 | |
| 77 // Instruction cache | |
| 78 #define HAL_ICACHE_SIZE 0x800 // Size of cache in bytes | |
| 79 #define HAL_ICACHE_LINE_SIZE 4 // Size of a cache line | |
| 80 #define HAL_ICACHE_WAYS 4 // Associativity of the cache | |
| 81 | |
| 82 #define HAL_DCACHE_SETS (HAL_DCACHE_SIZE/(HAL_DCACHE_LINE_SIZE*HAL_DCACHE_WAYS)) | |
| 83 #define HAL_ICACHE_SETS (HAL_ICACHE_SIZE/(HAL_ICACHE_LINE_SIZE*HAL_ICACHE_WAYS)) | |
| 84 | |
| 85 //----------------------------------------------------------------------------- | |
| 86 // Global control of data cache | |
| 87 | |
| 88 // Enable the data cache | |
| 89 #define HAL_DCACHE_ENABLE() | |
| 90 // Disable the data cache | |
| 91 #define HAL_DCACHE_DISABLE() | |
| 92 // Invalidate the entire cache | |
| 93 #define HAL_DCACHE_INVALIDATE_ALL() | |
| 94 // Synchronize the contents of the cache with memory. | |
| 95 #define HAL_DCACHE_SYNC() | |
| 96 | |
| 97 // Set the data cache refill burst size | |
| 98 //#define HAL_DCACHE_BURST_SIZE(_size_) | |
| 99 | |
| 100 // Set the data cache write mode | |
| 101 //#define HAL_DCACHE_WRITE_MODE( _mode_ ) | |
| 102 | |
| 103 //#define HAL_DCACHE_WRITETHRU_MODE 0 | |
| 104 //#define HAL_DCACHE_WRITEBACK_MODE 1 | |
| 105 | |
| 106 // Load the contents of the given address range into the data cache | |
| 107 // and then lock the cache so that it stays there. | |
| 108 //#define HAL_DCACHE_LOCK(_base_, _size_) | |
| 109 | |
| 110 // Undo a previous lock operation | |
| 111 //#define HAL_DCACHE_UNLOCK(_base_, _size_) | |
| 112 | |
| 113 // Unlock entire cache | |
| 114 //#define HAL_DCACHE_UNLOCK_ALL() | |
| 115 | |
| 116 //----------------------------------------------------------------------------- | |
| 117 // Data cache line control | |
| 118 | |
| 119 // Allocate cache lines for the given address range without reading its | |
| 120 // contents from memory. | |
| 121 //#define HAL_DCACHE_ALLOCATE( _base_ , _size_ ) | |
| 122 | |
| 123 // Write dirty cache lines to memory and invalidate the cache entries | |
| 124 // for the given address range. | |
| 125 //#define HAL_DCACHE_FLUSH( _base_ , _size_ ) | |
| 126 | |
| 127 // Invalidate cache lines in the given range without writing to memory. | |
| 128 //#define HAL_DCACHE_INVALIDATE( _base_ , _size_ ) | |
| 129 | |
| 130 // Write dirty cache lines to memory for the given address range. | |
| 131 //#define HAL_DCACHE_STORE( _base_ , _size_ ) | |
| 132 | |
| 133 // Preread the given range into the cache with the intention of reading | |
| 134 // from it later. | |
| 135 //#define HAL_DCACHE_READ_HINT( _base_ , _size_ ) | |
| 136 | |
| 137 // Preread the given range into the cache with the intention of writing | |
| 138 // to it later. | |
| 139 //#define HAL_DCACHE_WRITE_HINT( _base_ , _size_ ) | |
| 140 | |
| 141 // Allocate and zero the cache lines associated with the given range. | |
| 142 //#define HAL_DCACHE_ZERO( _base_ , _size_ ) | |
| 143 | |
| 144 //----------------------------------------------------------------------------- | |
| 145 // Global control of Instruction cache - use Data cache controls since they | |
| 146 // are not separatable. | |
| 147 | |
| 148 // Enable the instruction cache | |
| 149 #define HAL_ICACHE_ENABLE() HAL_DCACHE_ENABLE() | |
| 150 | |
| 151 // Disable the instruction cache | |
| 152 #define HAL_ICACHE_DISABLE() HAL_DCACHE_DISABLE() | |
| 153 | |
| 154 // Invalidate the entire cache | |
| 155 #define HAL_ICACHE_INVALIDATE_ALL() HAL_DCACHE_SYNC(); HAL_DCACHE_INVALIDATE_ALL() | |
| 156 | |
| 157 // Synchronize the contents of the cache with memory. | |
| 158 #define HAL_ICACHE_SYNC() | |
| 159 | |
| 160 // Set the instruction cache refill burst size | |
| 161 //#define HAL_ICACHE_BURST_SIZE(_size_) | |
| 162 | |
| 163 // Load the contents of the given address range into the instruction cache | |
| 164 // and then lock the cache so that it stays there. | |
| 165 //#define HAL_ICACHE_LOCK(_base_, _size_) | |
| 166 | |
| 167 // Undo a previous lock operation | |
| 168 //#define HAL_ICACHE_UNLOCK(_base_, _size_) | |
| 169 | |
| 170 // Unlock entire cache | |
| 171 //#define HAL_ICACHE_UNLOCK_ALL() | |
| 172 | |
| 173 //----------------------------------------------------------------------------- | |
| 174 // Instruction cache line control | |
| 175 | |
| 176 // Invalidate cache lines in the given range without writing to memory. | |
| 177 //#define HAL_ICACHE_INVALIDATE( _base_ , _size_ ) | |
| 178 | |
| 179 //----------------------------------------------------------------------------- | |
| 180 #endif // ifndef CYGONCE_HAL_CACHE_H | |
| 181 // End of hal_cache.h |