| | 1 | [[PageOutline]] |
| | 2 | |
| | 3 | = Fichier de Configuration de l'Instance = |
| | 4 | |
| | 5 | Afin de générer une instance, le générateur à besoin des directives de l'utilisateur. C'est l'objectif du '''fichier de configurations de l'Instance''' |
| | 6 | |
| | 7 | {{{ |
| | 8 | <?xml version="1.0" encoding="ISO-8859-1" ?> |
| | 9 | |
| | 10 | <cpu name="nom_instance" > |
| | 11 | |
| | 12 | <!-- **************************** |
| | 13 | * Définition du processeur * |
| | 14 | **************************** --> |
| | 15 | |
| | 16 | <core size_data="..." > <!-- 1 --> |
| | 17 | |
| | 18 | <cache_unit> <!-- 1 --> |
| | 19 | |
| | 20 | <icache id="..." |
| | 21 | arbiter="..." |
| | 22 | nb_port="..." /> <!-- 1+ --> |
| | 23 | |
| | 24 | <dcache id="..." |
| | 25 | arbiter="..." |
| | 26 | nb_port="..." /> <!-- 1+ --> |
| | 27 | |
| | 28 | </cache_unit> |
| | 29 | |
| | 30 | <front_end id="..." |
| | 31 | link_icache="..." |
| | 32 | link_out_of_order_engine="..."> <!-- 1+ --> |
| | 33 | |
| | 34 | <fetch_unit> <!-- 1 --> |
| | 35 | |
| | 36 | <ifetch id="..." |
| | 37 | nb_inst="..." |
| | 38 | size_queue="..." |
| | 39 | link_decod="..." /> <!-- 1+ --> |
| | 40 | |
| | 41 | </fetch_unit> |
| | 42 | |
| | 43 | <prediction_unit arbiter="..." |
| | 44 | nb_prediction="..." |
| | 45 | nb_branch_complete="..." > <!-- 1 --> |
| | 46 | |
| | 47 | <branch_target_buffer size_queue="..." |
| | 48 | associativity="..." /> <!-- 1 --> |
| | 49 | |
| | 50 | <return_address_stack size_queue="..." /> <!-- 1 --> |
| | 51 | |
| | 52 | <branch_context size_queue="..." /> <!-- 1 --> |
| | 53 | |
| | 54 | <meta_predictor have_meta_predictor="..." |
| | 55 | predictor_0_have_bht="..." |
| | 56 | predictor_0_bht_size_shifter="..." |
| | 57 | predictor_0_bht_nb_shifter="..." |
| | 58 | predictor_0_have_pht="..." |
| | 59 | predictor_0_pht_size_counter="..." |
| | 60 | predictor_0_pht_nb_counter="..." |
| | 61 | predictor_0_pht_size_address_share="..." |
| | 62 | predictor_1_have_bht="..." |
| | 63 | predictor_1_bht_size_shifter="..." |
| | 64 | predictor_1_bht_nb_shifter="..." |
| | 65 | predictor_1_have_pht="..." |
| | 66 | predictor_1_pht_size_counter="..." |
| | 67 | predictor_1_pht_nb_counter="..." |
| | 68 | predictor_1_pht_size_address_share="..." |
| | 69 | predictor_2_have_bht="..." |
| | 70 | predictor_2_bht_size_shifter="..." |
| | 71 | predictor_2_bht_nb_shifter="..." |
| | 72 | predictor_2_have_pht="..." |
| | 73 | predictor_2_pht_size_counter="..." |
| | 74 | predictor_2_pht_nb_counter="..." |
| | 75 | predictor_2_pht_size_address_share="..." /> <!-- 1 --> |
| | 76 | </prediction_unit> |
| | 77 | |
| | 78 | <decod_unit> <!-- 1 --> |
| | 79 | |
| | 80 | <decod id="..." |
| | 81 | arbiter="..." |
| | 82 | nb_branch_decod="..." |
| | 83 | nb_inst="..." |
| | 84 | size_queue="..." |
| | 85 | link_rename="..." /> <!-- 1+ --> |
| | 86 | |
| | 87 | </decod_unit> |
| | 88 | |
| | 89 | </front_end> |
| | 90 | |
| | 91 | <out_of_order_engine id="..." |
| | 92 | link_execution_loop="..."> <!-- 1+ --> |
| | 93 | |
| | 94 | <rename arbiter="..." |
| | 95 | nb_inst="..." |
| | 96 | size_queue="..." |
| | 97 | size_windows="..." |
| | 98 | nb_gpr_physical="..." |
| | 99 | nb_gpr_free="..." |
| | 100 | nb_spr_physical="..." |
| | 101 | nb_spr_free="..." /> <!-- 1+ --> |
| | 102 | |
| | 103 | <commit arbiter="..." |
| | 104 | nb_inst="..." |
| | 105 | size_queue="..." |
| | 106 | size_windows="..." |
| | 107 | commit_out_of_order_thread="..." /> <!-- 1 --> |
| | 108 | |
| | 109 | </out_of_order_engine> |
| | 110 | |
| | 111 | <execution_loop id="..." |
| | 112 | link_dcache="..." > <!-- 1+ --> |
| | 113 | |
| | 114 | <read_unit> <!-- 1 --> |
| | 115 | |
| | 116 | <reservation_station id="..." |
| | 117 | size_queue="..." |
| | 118 | one_queue="..." > <!-- 1+ --> |
| | 119 | |
| | 120 | <link id="..."> <!-- 1+ --> |
| | 121 | |
| | 122 | </reservation_station> |
| | 123 | |
| | 124 | </read_unit> |
| | 125 | |
| | 126 | <memory_unit size_queue="..." |
| | 127 | one_queue="..." |
| | 128 | nb_inst="..." |
| | 129 | size_windows="..." |
| | 130 | bypass_memory_out="..." |
| | 131 | keep_data="..." |
| | 132 | speculated_memory_read="..." > <!-- 1 --> |
| | 133 | |
| | 134 | <link id="..."> <!-- 1+ --> |
| | 135 | |
| | 136 | </memory_unit> |
| | 137 | |
| | 138 | <execution_unit> <!-- 1 --> |
| | 139 | |
| | 140 | <execution id="..." |
| | 141 | type_mul="..." |
| | 142 | type_div="..." |
| | 143 | type_ext="..." |
| | 144 | type_ff1="..." |
| | 145 | type_fl1="..." /> <!-- 1+ --> |
| | 146 | |
| | 147 | </execution_unit> |
| | 148 | |
| | 149 | <write_unit> <!-- 1 --> |
| | 150 | |
| | 151 | <writeback id="..." |
| | 152 | size_queue="..." |
| | 153 | one_queue="..." |
| | 154 | bypass_execute_gpr="..." |
| | 155 | bypass_execute_spr="..." |
| | 156 | bypass_memory_in="..." > <!-- 1+ --> |
| | 157 | |
| | 158 | <link id="..."> <!-- 1+ --> |
| | 159 | |
| | 160 | </writeback> |
| | 161 | |
| | 162 | </write_unit> |
| | 163 | |
| | 164 | </execution_loop> |
| | 165 | |
| | 166 | </core> |
| | 167 | |
| | 168 | </cpu> |
| | 169 | |
| | 170 | }}} |
| | 171 | |
| | 172 | Un petit exemple : |
| | 173 | |
| | 174 | {{{ |
| | 175 | <?xml version="1.0" encoding="ISO-8859-1" ?> |
| | 176 | |
| | 177 | <cpu name="nom_instance" > |
| | 178 | |
| | 179 | <core size_data="32" > |
| | 180 | |
| | 181 | <cache_unit> |
| | 182 | <icache id="0" arbiter="0" nb_port="1" /> |
| | 183 | <dcache id="0" arbiter="0" nb_port="1" /> |
| | 184 | </cache_unit> |
| | 185 | |
| | 186 | <front_end id="0" link_icache="0" link_out_of_order_engine="0"> |
| | 187 | <fetch_unit> |
| | 188 | <ifetch id="0" nb_inst="1" size_queue="4" link_decod="0" /> |
| | 189 | <ifetch id="1" nb_inst="1" size_queue="4" link_decod="0" /> |
| | 190 | </fetch_unit> |
| | 191 | |
| | 192 | <prediction_unit arbiter="0" nb_prediction="1" nb_branch_complete="1" > |
| | 193 | <branch_target_buffer size_queue="32" associativity="4" /> |
| | 194 | <return_address_stack size_queue="8" /> |
| | 195 | <branch_context size_queue="8" /> |
| | 196 | <meta_predictor have_meta_predictor="1" |
| | 197 | predictor_0_have_bht="1" |
| | 198 | predictor_0_bht_size_shifter="10" |
| | 199 | predictor_0_bht_nb_shifter="16" |
| | 200 | predictor_0_have_pht="0" |
| | 201 | predictor_1_have_bht="0" |
| | 202 | predictor_1_have_pht="1" |
| | 203 | predictor_1_pht_size_counter="2" |
| | 204 | predictor_1_pht_nb_counter="64" |
| | 205 | predictor_1_pht_size_address_share="3" |
| | 206 | predictor_2_have_bht="1" |
| | 207 | predictor_2_bht_size_shifter="4" |
| | 208 | predictor_2_bht_nb_shifter="32" |
| | 209 | predictor_2_have_pht="1" |
| | 210 | predictor_2_pht_size_counter="2" |
| | 211 | predictor_2_pht_nb_counter="32" |
| | 212 | predictor_2_pht_size_address_share="4" /> |
| | 213 | </prediction_unit> |
| | 214 | |
| | 215 | <decod_unit> |
| | 216 | <decod id="0" arbiter="0" nb_branch_decod="1" nb_inst="1" size_queue="4" link_rename="0" /> |
| | 217 | </decod_unit> |
| | 218 | |
| | 219 | </front_end> |
| | 220 | |
| | 221 | <out_of_order_engine id="0" link_execution_loop="0"> <!-- 1+ --> |
| | 222 | |
| | 223 | <rename arbiter="1" |
| | 224 | nb_inst="1" |
| | 225 | size_queue="8" |
| | 226 | size_windows="3" |
| | 227 | nb_gpr_physical="64" |
| | 228 | nb_gpr_free="2" |
| | 229 | nb_spr_physical="16" |
| | 230 | nb_spr_free="1" /> |
| | 231 | |
| | 232 | <commit arbiter="0" |
| | 233 | nb_inst="1" |
| | 234 | size_queue="32" |
| | 235 | size_windows="2" |
| | 236 | commit_out_of_order_thread="1" /> |
| | 237 | |
| | 238 | </out_of_order_engine> |
| | 239 | |
| | 240 | <execution_loop id="0"> |
| | 241 | |
| | 242 | <read_unit> |
| | 243 | <reservation_station id="0" size_queue="4" one_queue="1" > |
| | 244 | <link id="0"> |
| | 245 | </reservation_station> |
| | 246 | </read_unit> |
| | 247 | |
| | 248 | <memory_unit size_queue="8" |
| | 249 | one_queue="1" |
| | 250 | nb_inst="1" |
| | 251 | size_windows="2" |
| | 252 | bypass_memory_out="1" |
| | 253 | keep_data="1" |
| | 254 | speculated_memory_read="1" > |
| | 255 | <link id="0"> |
| | 256 | </memory_unit> |
| | 257 | |
| | 258 | <execution_unit> |
| | 259 | <execution id="0" |
| | 260 | type_mul="1" |
| | 261 | type_div="0" |
| | 262 | type_ext="0" |
| | 263 | type_ff1="1" |
| | 264 | type_fl1="1" /> |
| | 265 | </execution_unit> |
| | 266 | |
| | 267 | <write_unit> |
| | 268 | <writeback id="0" |
| | 269 | size_queue="4" |
| | 270 | one_queue="1" |
| | 271 | bypass_execute_gpr="1" |
| | 272 | bypass_execute_spr="1" |
| | 273 | bypass_memory_in="0" > |
| | 274 | <link id="0"> |
| | 275 | </writeback> |
| | 276 | </write_unit> |
| | 277 | |
| | 278 | </execution_loop> |
| | 279 | </core> |
| | 280 | </cpu> |
| | 281 | |
| | 282 | }}} |
| | 283 | |
