| 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 | | |
| 284 | | |
| 285 | | Autres exemple : |
| 286 | | |
| 287 | | {{{ |
| 288 | | <?xml version="1.0" encoding="ISO-8859-1" ?> |
| 289 | | |
| 290 | | <cpu name="nom_instance" > |
| 291 | | |