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* Added execute permissions to files missed in conversion from CVS
author alexs
date Mon, 12 Oct 2009 02:26:09 +0100
parents d2c90368aeef
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1 #ifndef CYGONCE_HAL_CACHE_H
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2 #define CYGONCE_HAL_CACHE_H
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3
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4 //=============================================================================
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5 //
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6 // hal_cache.h
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7 //
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8 // HAL cache control API
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9 //
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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 Red Hat, 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 version.
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19 //
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20 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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21 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
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22 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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23 // for more details.
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24 //
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25 // You should have received a copy of the GNU General Public License along
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26 // with eCos; if not, write to the Free Software Foundation, Inc.,
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27 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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28 //
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29 // As a special exception, if other files instantiate templates or use macros
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30 // or inline functions from this file, or you compile this file and link it
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31 // with other works to produce a work based on this file, this file does not
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32 // by itself cause the resulting work to be covered by the GNU General Public
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33 // License. However the source code for this file must still be made available
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34 // in accordance with section (3) of the GNU General Public License.
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35 //
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36 // This exception does not invalidate any other reasons why a work based on
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37 // this file might be covered by the GNU General Public License.
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38 //
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39 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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40 // at http://sources.redhat.com/ecos/ecos-license/
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41 // -------------------------------------------
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42 //####ECOSGPLCOPYRIGHTEND####
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43 //=============================================================================
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44 //#####DESCRIPTIONBEGIN####
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45 //
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46 // Author(s): nickg
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47 // Contributors: nickg
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48 // Date: 1998-02-17
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49 // Purpose: Cache control API
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50 // Description: The macros defined here provide the HAL APIs for handling
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51 // cache control operations.
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52 // Usage:
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53 // #include <cyg/hal/hal_cache.h>
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54 // ...
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55 //
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56 //
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57 //####DESCRIPTIONEND####
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58 //
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59 //=============================================================================
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60
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61 #include <pkgconf/hal.h>
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62 #include <cyg/infra/cyg_type.h>
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63
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64 #if !defined(CYG_HAL_MN10300_AM31_SIM)
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65
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66 #include <cyg/hal/var_cache.h>
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67
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68 #else
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69
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70 //=============================================================================
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71 // MN10300 Simulator
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72
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73 //-----------------------------------------------------------------------------
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74 // Cache dimensions
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75
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76 // Data cache
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77 #define HAL_DCACHE_SIZE 4096 // Size of data cache in bytes
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78 #define HAL_DCACHE_LINE_SIZE 16 // Size of a data cache line
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79 #define HAL_DCACHE_WAYS 2 // Associativity of the cache
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80
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81 // Instruction cache
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82 #define HAL_ICACHE_SIZE 4096 // Size of cache in bytes
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83 #define HAL_ICACHE_LINE_SIZE 16 // Size of a cache line
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84 #define HAL_ICACHE_WAYS 2 // Associativity of the cache
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85
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86 #define HAL_DCACHE_SETS (HAL_DCACHE_SIZE/(HAL_DCACHE_LINE_SIZE*HAL_DCACHE_WAYS))
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87 #define HAL_ICACHE_SETS (HAL_ICACHE_SIZE/(HAL_ICACHE_LINE_SIZE*HAL_ICACHE_WAYS))
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88
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89 //-----------------------------------------------------------------------------
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90 // Global control of data cache
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91
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92 // Enable the data cache
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93 #define HAL_DCACHE_ENABLE()
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94
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95 // Disable the data cache
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96 #define HAL_DCACHE_DISABLE()
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97
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98 // Invalidate the entire cache
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99 #define HAL_DCACHE_INVALIDATE_ALL()
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100
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101 // Synchronize the contents of the cache with memory.
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102 #define HAL_DCACHE_SYNC()
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103
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104 // Set the data cache refill burst size
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105 //#define HAL_DCACHE_BURST_SIZE(_size_)
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106
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107 // Set the data cache write mode
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108 //#define HAL_DCACHE_WRITE_MODE( _mode_ )
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109
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110 // Load the contents of the given address range into the data cache
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111 // and then lock the cache so that it stays there.
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112 //#define HAL_DCACHE_LOCK(_base_, _size_)
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113
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114 // Undo a previous lock operation
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115 //#define HAL_DCACHE_UNLOCK(_base_, _size_)
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116
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117 // Unlock entire cache
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118 //#define HAL_DCACHE_UNLOCK_ALL()
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119
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120 //-----------------------------------------------------------------------------
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121 // Data cache line control
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122
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123 // Allocate cache lines for the given address range without reading its
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124 // contents from memory.
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125 //#define HAL_DCACHE_ALLOCATE( _base_ , _size_ )
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126
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127 // Write dirty cache lines to memory and invalidate the cache entries
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128 // for the given address range.
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129 //#define HAL_DCACHE_FLUSH( _base_ , _size_ )
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130
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131 // Invalidate cache lines in the given range without writing to memory.
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132 //#define HAL_DCACHE_INVALIDATE( _base_ , _size_ )
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133
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134 // Write dirty cache lines to memory for the given address range.
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135 //#define HAL_DCACHE_STORE( _base_ , _size_ )
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136
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137 // Preread the given range into the cache with the intention of reading
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138 // from it later.
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139 //#define HAL_DCACHE_READ_HINT( _base_ , _size_ )
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140
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141 // Preread the given range into the cache with the intention of writing
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142 // to it later.
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143 //#define HAL_DCACHE_WRITE_HINT( _base_ , _size_ )
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144
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145 // Allocate and zero the cache lines associated with the given range.
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146 //#define HAL_DCACHE_ZERO( _base_ , _size_ )
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147
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148 //-----------------------------------------------------------------------------
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149 // Global control of Instruction cache
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150
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151 // Enable the instruction cache
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152 #define HAL_ICACHE_ENABLE()
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153
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154 // Disable the instruction cache
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155 #define HAL_ICACHE_DISABLE()
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156
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157 // Invalidate the entire cache
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158 #define HAL_ICACHE_INVALIDATE_ALL()
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159
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160 // Synchronize the contents of the cache with memory.
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161 #define HAL_ICACHE_SYNC()
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162
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163 // Set the instruction cache refill burst size
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164 //#define HAL_ICACHE_BURST_SIZE(_size_)
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165
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166 // Load the contents of the given address range into the instruction cache
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167 // and then lock the cache so that it stays there.
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168 //#define HAL_ICACHE_LOCK(_base_, _size_)
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169
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170 // Undo a previous lock operation
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171 //#define HAL_ICACHE_UNLOCK(_base_, _size_)
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172
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173 // Unlock entire cache
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174 //#define HAL_ICACHE_UNLOCK_ALL()
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175
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176 //-----------------------------------------------------------------------------
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177 // Instruction cache line control
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178
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179 // Invalidate cache lines in the given range without writing to memory.
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180 //#define HAL_ICACHE_INVALIDATE( _base_ , _size_ )
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181
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182 #endif
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183
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184
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185 //-----------------------------------------------------------------------------
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186 // Check that a supported configuration has actually defined some macros.
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187
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188 #ifndef HAL_DCACHE_ENABLE
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189
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190 #error Unsupported MN10300 configuration
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191
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192 #endif
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193
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194 //-----------------------------------------------------------------------------
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195 #endif // ifndef CYGONCE_HAL_CACHE_H
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196 // End of hal_cache.h