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annotate packages/hal/mn10300/arch/current/include/hal_cache.h @ 3403:8c8767bb9a62 default tip
devs/nand/micron_mt29: Remove defunct references (in comments) to mt29f2g08_oob_ecc.
| author | Ross Younger <wry@ecoscentric.com> |
|---|---|
| date | Sun, 18 Jan 2015 17:59:01 +1300 |
| parents | 74dbf4c3f2e1 |
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| rev | line source |
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| 0 | 1 #ifndef CYGONCE_HAL_CACHE_H |
| 2 #define CYGONCE_HAL_CACHE_H | |
| 3 | |
| 4 //============================================================================= | |
| 5 // | |
| 2 | 6 // hal_cache.h |
| 0 | 7 // |
| 2 | 8 // HAL cache control API |
| 0 | 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#### |
| 0 | 42 //============================================================================= |
| 43 //#####DESCRIPTIONBEGIN#### | |
| 44 // | |
| 2 | 45 // Author(s): nickg |
| 46 // Contributors: nickg | |
| 47 // Date: 1998-02-17 | |
| 48 // Purpose: Cache control API | |
| 49 // Description: The macros defined here provide the HAL APIs for handling | |
| 0 | 50 // cache control operations. |
| 51 // Usage: | |
| 2 | 52 // #include <cyg/hal/hal_cache.h> |
| 53 // ... | |
| 54 // | |
| 0 | 55 // |
| 56 //####DESCRIPTIONEND#### | |
| 57 // | |
| 58 //============================================================================= | |
| 59 | |
| 2 | 60 #include <pkgconf/hal.h> |
| 0 | 61 #include <cyg/infra/cyg_type.h> |
| 62 | |
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63 #if !defined(CYG_HAL_MN10300_AM31_SIM) |
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64 |
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65 #include <cyg/hal/var_cache.h> |
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67 #else |
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68 |
| 0 | 69 //============================================================================= |
| 70 // MN10300 Simulator | |
| 71 | |
| 72 //----------------------------------------------------------------------------- | |
| 73 // Cache dimensions | |
| 74 | |
| 75 // Data cache | |
| 76 #define HAL_DCACHE_SIZE 4096 // Size of data cache in bytes | |
| 77 #define HAL_DCACHE_LINE_SIZE 16 // Size of a data cache line | |
| 78 #define HAL_DCACHE_WAYS 2 // Associativity of the cache | |
| 79 | |
| 80 // Instruction cache | |
| 81 #define HAL_ICACHE_SIZE 4096 // Size of cache in bytes | |
| 82 #define HAL_ICACHE_LINE_SIZE 16 // Size of a cache line | |
| 83 #define HAL_ICACHE_WAYS 2 // Associativity of the cache | |
| 84 | |
| 85 #define HAL_DCACHE_SETS (HAL_DCACHE_SIZE/(HAL_DCACHE_LINE_SIZE*HAL_DCACHE_WAYS)) | |
| 86 #define HAL_ICACHE_SETS (HAL_ICACHE_SIZE/(HAL_ICACHE_LINE_SIZE*HAL_ICACHE_WAYS)) | |
| 87 | |
| 88 //----------------------------------------------------------------------------- | |
| 89 // Global control of data cache | |
| 90 | |
| 91 // Enable the data cache | |
| 92 #define HAL_DCACHE_ENABLE() | |
| 93 | |
| 94 // Disable the data cache | |
| 95 #define HAL_DCACHE_DISABLE() | |
| 96 | |
| 97 // Invalidate the entire cache | |
| 98 #define HAL_DCACHE_INVALIDATE_ALL() | |
| 99 | |
| 100 // Synchronize the contents of the cache with memory. | |
| 101 #define HAL_DCACHE_SYNC() | |
| 102 | |
| 103 // Set the data cache refill burst size | |
| 104 //#define HAL_DCACHE_BURST_SIZE(_size_) | |
| 105 | |
| 106 // Set the data cache write mode | |
| 107 //#define HAL_DCACHE_WRITE_MODE( _mode_ ) | |
| 108 | |
| 109 // Load the contents of the given address range into the data cache | |
| 110 // and then lock the cache so that it stays there. | |
| 111 //#define HAL_DCACHE_LOCK(_base_, _size_) | |
| 112 | |
| 113 // Undo a previous lock operation | |
| 114 //#define HAL_DCACHE_UNLOCK(_base_, _size_) | |
| 115 | |
| 2 | 116 // Unlock entire cache |
| 117 //#define HAL_DCACHE_UNLOCK_ALL() | |
| 118 | |
| 0 | 119 //----------------------------------------------------------------------------- |
| 120 // Data cache line control | |
| 121 | |
| 122 // Allocate cache lines for the given address range without reading its | |
| 123 // contents from memory. | |
| 124 //#define HAL_DCACHE_ALLOCATE( _base_ , _size_ ) | |
| 125 | |
| 126 // Write dirty cache lines to memory and invalidate the cache entries | |
| 127 // for the given address range. | |
| 128 //#define HAL_DCACHE_FLUSH( _base_ , _size_ ) | |
| 129 | |
| 130 // Invalidate cache lines in the given range without writing to memory. | |
| 131 //#define HAL_DCACHE_INVALIDATE( _base_ , _size_ ) | |
| 132 | |
| 133 // Write dirty cache lines to memory for the given address range. | |
| 134 //#define HAL_DCACHE_STORE( _base_ , _size_ ) | |
| 135 | |
| 136 // Preread the given range into the cache with the intention of reading | |
| 137 // from it later. | |
| 138 //#define HAL_DCACHE_READ_HINT( _base_ , _size_ ) | |
| 139 | |
| 140 // Preread the given range into the cache with the intention of writing | |
| 141 // to it later. | |
| 142 //#define HAL_DCACHE_WRITE_HINT( _base_ , _size_ ) | |
| 143 | |
| 144 // Allocate and zero the cache lines associated with the given range. | |
| 145 //#define HAL_DCACHE_ZERO( _base_ , _size_ ) | |
| 146 | |
| 147 //----------------------------------------------------------------------------- | |
| 148 // Global control of Instruction cache | |
| 149 | |
| 150 // Enable the instruction cache | |
| 151 #define HAL_ICACHE_ENABLE() | |
| 152 | |
| 153 // Disable the instruction cache | |
| 154 #define HAL_ICACHE_DISABLE() | |
| 155 | |
| 156 // Invalidate the entire cache | |
| 157 #define HAL_ICACHE_INVALIDATE_ALL() | |
| 158 | |
| 159 // Synchronize the contents of the cache with memory. | |
| 160 #define HAL_ICACHE_SYNC() | |
| 161 | |
| 162 // Set the instruction cache refill burst size | |
| 163 //#define HAL_ICACHE_BURST_SIZE(_size_) | |
| 164 | |
| 165 // Load the contents of the given address range into the instruction cache | |
| 166 // and then lock the cache so that it stays there. | |
| 167 //#define HAL_ICACHE_LOCK(_base_, _size_) | |
| 168 | |
| 169 // Undo a previous lock operation | |
| 170 //#define HAL_ICACHE_UNLOCK(_base_, _size_) | |
| 171 | |
| 2 | 172 // Unlock entire cache |
| 173 //#define HAL_ICACHE_UNLOCK_ALL() | |
| 174 | |
| 0 | 175 //----------------------------------------------------------------------------- |
| 176 // Instruction cache line control | |
| 177 | |
| 178 // Invalidate cache lines in the given range without writing to memory. | |
| 179 //#define HAL_ICACHE_INVALIDATE( _base_ , _size_ ) | |
| 180 | |
| 181 #endif | |
| 182 | |
| 183 | |
| 2 | 184 //----------------------------------------------------------------------------- |
| 185 // Check that a supported configuration has actually defined some macros. | |
| 186 | |
| 187 #ifndef HAL_DCACHE_ENABLE | |
| 188 | |
| 189 #error Unsupported MN10300 configuration | |
| 190 | |
| 191 #endif | |
| 0 | 192 |
| 193 //----------------------------------------------------------------------------- | |
| 194 #endif // ifndef CYGONCE_HAL_CACHE_H | |
| 195 // End of hal_cache.h |
