[78] | 1 | /* |
---|
| 2 | * $Id: Direction_Glue.cpp 88 2008-12-10 18:31:39Z rosiere $ |
---|
| 3 | * |
---|
| 4 | * [ Description ] |
---|
| 5 | * |
---|
| 6 | */ |
---|
| 7 | |
---|
| 8 | #include "Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Direction/Direction_Glue/include/Direction_Glue.h" |
---|
| 9 | |
---|
| 10 | namespace morpheo { |
---|
| 11 | namespace behavioural { |
---|
| 12 | namespace core { |
---|
| 13 | namespace multi_front_end { |
---|
| 14 | namespace front_end { |
---|
| 15 | namespace prediction_unit { |
---|
| 16 | namespace direction { |
---|
| 17 | namespace direction_glue { |
---|
| 18 | |
---|
| 19 | |
---|
| 20 | #undef FUNCTION |
---|
| 21 | #define FUNCTION "Direction_Glue::Direction_Glue" |
---|
| 22 | Direction_Glue::Direction_Glue |
---|
| 23 | ( |
---|
| 24 | #ifdef SYSTEMC |
---|
| 25 | sc_module_name name, |
---|
| 26 | #else |
---|
| 27 | string name, |
---|
| 28 | #endif |
---|
| 29 | #ifdef STATISTICS |
---|
| 30 | morpheo::behavioural::Parameters_Statistics * param_statistics, |
---|
| 31 | #endif |
---|
| 32 | morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::direction::direction_glue::Parameters * param, |
---|
| 33 | morpheo::behavioural::Tusage_t usage |
---|
| 34 | ): |
---|
| 35 | _name (name) |
---|
| 36 | ,_param (param) |
---|
| 37 | ,_usage (usage) |
---|
| 38 | { |
---|
| 39 | log_printf(FUNC,Direction_Glue,FUNCTION,"Begin"); |
---|
| 40 | |
---|
[88] | 41 | |
---|
| 42 | #if DEBUG_Direction_Glue == true |
---|
| 43 | log_printf(INFO,Direction_Glue,FUNCTION,_("<%s> Parameters"),_name.c_str()); |
---|
| 44 | |
---|
| 45 | std::cout << *param << std::endl; |
---|
| 46 | #endif |
---|
| 47 | |
---|
[78] | 48 | log_printf(INFO,Direction_Glue,FUNCTION,"Allocation"); |
---|
| 49 | |
---|
| 50 | allocation ( |
---|
| 51 | #ifdef STATISTICS |
---|
| 52 | param_statistics |
---|
| 53 | #endif |
---|
| 54 | ); |
---|
| 55 | |
---|
| 56 | #ifdef STATISTICS |
---|
[88] | 57 | if (usage_is_set(_usage,USE_STATISTICS)) |
---|
[78] | 58 | { |
---|
| 59 | log_printf(INFO,Direction_Glue,FUNCTION,"Allocation of statistics"); |
---|
| 60 | |
---|
| 61 | statistics_allocation(param_statistics); |
---|
| 62 | } |
---|
| 63 | #endif |
---|
| 64 | |
---|
| 65 | #ifdef VHDL |
---|
[88] | 66 | if (usage_is_set(_usage,USE_VHDL)) |
---|
[78] | 67 | { |
---|
| 68 | // generate the vhdl |
---|
| 69 | log_printf(INFO,Direction_Glue,FUNCTION,"Generate the vhdl"); |
---|
| 70 | |
---|
| 71 | vhdl(); |
---|
| 72 | } |
---|
| 73 | #endif |
---|
| 74 | |
---|
| 75 | #ifdef SYSTEMC |
---|
[88] | 76 | if (usage_is_set(_usage,USE_SYSTEMC)) |
---|
[78] | 77 | { |
---|
| 78 | bool need_genmealy_predict = true; |
---|
| 79 | bool need_genmealy_update = true; |
---|
| 80 | |
---|
| 81 | // Constant |
---|
| 82 | if (not _param->_have_component_meta_predictor) |
---|
| 83 | { |
---|
| 84 | // no need update |
---|
| 85 | need_genmealy_update = false; |
---|
| 86 | for (uint32_t i=0; i<_param->_nb_inst_update; i++) |
---|
| 87 | PORT_WRITE(out_UPDATE_ACK [i], 1); |
---|
| 88 | |
---|
| 89 | // always ack |
---|
| 90 | for (uint32_t i=0; i<_param->_nb_inst_predict; i++) |
---|
| 91 | { |
---|
| 92 | PORT_WRITE(out_PREDICT_ACK [i], 1); |
---|
| 93 | |
---|
| 94 | // constant direction : never / always |
---|
| 95 | switch (_param->_predictor_scheme) |
---|
| 96 | { |
---|
| 97 | case PREDICTOR_NEVER_TAKE : |
---|
| 98 | { |
---|
| 99 | need_genmealy_predict = false; |
---|
| 100 | PORT_WRITE(out_PREDICT_DIRECTION [i], 0); |
---|
| 101 | break; |
---|
| 102 | } |
---|
| 103 | case PREDICTOR_ALWAYS_TAKE : |
---|
| 104 | { |
---|
| 105 | need_genmealy_predict = false; |
---|
| 106 | PORT_WRITE(out_PREDICT_DIRECTION [i], 1); |
---|
| 107 | break; |
---|
| 108 | } |
---|
| 109 | default : break; |
---|
| 110 | } |
---|
| 111 | } |
---|
| 112 | } |
---|
| 113 | |
---|
| 114 | # if defined(STATISTICS) or defined(VHDL_TESTBENCH) |
---|
| 115 | log_printf(INFO,Direction_Glue,FUNCTION,"Method - transition"); |
---|
| 116 | |
---|
| 117 | SC_METHOD (transition); |
---|
| 118 | dont_initialize (); |
---|
| 119 | sensitive << (*(in_CLOCK)).pos(); |
---|
| 120 | |
---|
| 121 | # ifdef SYSTEMCASS_SPECIFIC |
---|
| 122 | // List dependency information |
---|
| 123 | # endif |
---|
| 124 | # endif |
---|
| 125 | |
---|
| 126 | if (need_genmealy_predict) |
---|
| 127 | { |
---|
| 128 | log_printf(INFO,Direction_Glue,FUNCTION,"Method - genMealy_predict"); |
---|
| 129 | |
---|
| 130 | SC_METHOD (genMealy_predict); |
---|
| 131 | dont_initialize (); |
---|
| 132 | // sensitive << (*(in_CLOCK)).neg(); // don't use internal register |
---|
| 133 | for (uint32_t i=0; i<_param->_nb_inst_predict; i++) |
---|
| 134 | { |
---|
| 135 | switch (_param->_predictor_scheme) |
---|
| 136 | { |
---|
| 137 | case PREDICTOR_STATIC : |
---|
| 138 | { |
---|
| 139 | sensitive << (*(in_PREDICT_STATIC [i])); |
---|
| 140 | break; |
---|
| 141 | } |
---|
| 142 | case PREDICTOR_LAST_TAKE : |
---|
| 143 | { |
---|
| 144 | sensitive << (*(in_PREDICT_LAST_TAKE [i])); |
---|
| 145 | break; |
---|
| 146 | } |
---|
| 147 | case PREDICTOR_COUNTER : |
---|
| 148 | case PREDICTOR_LOCAL : |
---|
| 149 | case PREDICTOR_GLOBAL : |
---|
| 150 | case PREDICTOR_META : |
---|
| 151 | case PREDICTOR_CUSTOM : |
---|
| 152 | { |
---|
| 153 | sensitive << (*(in_PREDICT_VAL [i])) |
---|
| 154 | << (*(in_PREDICT_ADDRESS_SRC [i])) |
---|
| 155 | << (*(in_PREDICT_PREDICTOR_ACK [i])) |
---|
| 156 | << (*(in_PREDICT_PREDICTOR_HISTORY [i])) |
---|
| 157 | << (*(in_PREDICT_PREDICTOR_DIRECTION [i])); |
---|
| 158 | break; |
---|
| 159 | } |
---|
| 160 | default : |
---|
| 161 | { |
---|
| 162 | break; |
---|
| 163 | } |
---|
| 164 | } |
---|
| 165 | } |
---|
| 166 | |
---|
| 167 | # ifdef SYSTEMCASS_SPECIFIC |
---|
| 168 | // List dependency information |
---|
| 169 | for (uint32_t i=0; i<_param->_nb_inst_predict; i++) |
---|
| 170 | { |
---|
| 171 | |
---|
| 172 | switch (_param->_predictor_scheme) |
---|
| 173 | { |
---|
| 174 | case PREDICTOR_STATIC : |
---|
| 175 | { |
---|
| 176 | (*(out_PREDICT_DIRECTION [i])) (*(in_PREDICT_STATIC [i])); |
---|
| 177 | |
---|
| 178 | break; |
---|
| 179 | } |
---|
| 180 | case PREDICTOR_LAST_TAKE : |
---|
| 181 | { |
---|
| 182 | (*(out_PREDICT_DIRECTION [i])) (*(in_PREDICT_LAST_TAKE [i])); |
---|
| 183 | |
---|
| 184 | break; |
---|
| 185 | } |
---|
| 186 | case PREDICTOR_COUNTER : |
---|
| 187 | case PREDICTOR_LOCAL : |
---|
| 188 | case PREDICTOR_GLOBAL : |
---|
| 189 | case PREDICTOR_META : |
---|
| 190 | case PREDICTOR_CUSTOM : |
---|
| 191 | { |
---|
| 192 | (*(out_PREDICT_ACK [i])) (*(in_PREDICT_PREDICTOR_ACK [i])); |
---|
| 193 | (*(out_PREDICT_HISTORY [i])) (*(in_PREDICT_PREDICTOR_HISTORY [i])); |
---|
| 194 | (*(out_PREDICT_DIRECTION [i])) (*(in_PREDICT_PREDICTOR_DIRECTION [i])); |
---|
| 195 | (*(out_PREDICT_PREDICTOR_VAL [i])) (*(in_PREDICT_VAL [i])); |
---|
| 196 | (*(out_PREDICT_PREDICTOR_ADDRESS_SRC [i])) (*(in_PREDICT_ADDRESS_SRC [i])); |
---|
| 197 | |
---|
| 198 | break; |
---|
| 199 | } |
---|
| 200 | default : |
---|
| 201 | { |
---|
| 202 | break; |
---|
| 203 | } |
---|
| 204 | } |
---|
| 205 | } |
---|
| 206 | # endif |
---|
| 207 | } |
---|
| 208 | |
---|
| 209 | if (need_genmealy_update) |
---|
| 210 | { |
---|
| 211 | log_printf(INFO,Direction_Glue,FUNCTION,"Method - genMealy_update"); |
---|
| 212 | |
---|
| 213 | SC_METHOD (genMealy_update); |
---|
| 214 | dont_initialize (); |
---|
| 215 | // sensitive << (*(in_CLOCK)).neg(); // don't use internal register |
---|
| 216 | for (uint32_t i=0; i<_param->_nb_inst_update; i++) |
---|
| 217 | sensitive << (*(in_UPDATE_VAL [i])) |
---|
| 218 | << (*(in_UPDATE_PREDICTOR_ACK [i])) |
---|
| 219 | << (*(in_UPDATE_ADDRESS [i])) |
---|
| 220 | << (*(in_UPDATE_HISTORY [i])) |
---|
| 221 | << (*(in_UPDATE_DIRECTION [i])); |
---|
| 222 | |
---|
| 223 | # ifdef SYSTEMCASS_SPECIFIC |
---|
| 224 | // List dependency information |
---|
| 225 | for (uint32_t i=0; i<_param->_nb_inst_update; i++) |
---|
| 226 | { |
---|
| 227 | (*(out_UPDATE_PREDICTOR_VAL [i])) (*(in_UPDATE_VAL [i])); |
---|
| 228 | (*(out_UPDATE_ACK [i])) (*(in_UPDATE_PREDICTOR_ACK [i])); |
---|
| 229 | (*(out_UPDATE_PREDICTOR_ADDRESS [i])) (*(in_UPDATE_ADDRESS [i])); |
---|
| 230 | (*(out_UPDATE_PREDICTOR_HISTORY [i])) (*(in_UPDATE_HISTORY [i])); |
---|
| 231 | (*(out_UPDATE_PREDICTOR_DIRECTION [i])) (*(in_UPDATE_DIRECTION [i])); |
---|
| 232 | } |
---|
| 233 | # endif |
---|
| 234 | } |
---|
| 235 | #endif |
---|
| 236 | } |
---|
| 237 | log_printf(FUNC,Direction_Glue,FUNCTION,"End"); |
---|
| 238 | }; |
---|
| 239 | |
---|
| 240 | #undef FUNCTION |
---|
| 241 | #define FUNCTION "Direction_Glue::~Direction_Glue" |
---|
| 242 | Direction_Glue::~Direction_Glue (void) |
---|
| 243 | { |
---|
| 244 | log_printf(FUNC,Direction_Glue,FUNCTION,"Begin"); |
---|
| 245 | |
---|
| 246 | #ifdef STATISTICS |
---|
[88] | 247 | if (usage_is_set(_usage,USE_STATISTICS)) |
---|
[78] | 248 | { |
---|
| 249 | statistics_deallocation(); |
---|
| 250 | } |
---|
| 251 | #endif |
---|
| 252 | |
---|
| 253 | log_printf(INFO,Direction_Glue,FUNCTION,"Deallocation"); |
---|
| 254 | deallocation (); |
---|
| 255 | |
---|
| 256 | log_printf(FUNC,Direction_Glue,FUNCTION,"End"); |
---|
| 257 | }; |
---|
| 258 | |
---|
| 259 | }; // end namespace direction_glue |
---|
| 260 | }; // end namespace direction |
---|
| 261 | }; // end namespace prediction_unit |
---|
| 262 | }; // end namespace front_end |
---|
| 263 | }; // end namespace multi_front_end |
---|
| 264 | }; // end namespace core |
---|
| 265 | |
---|
| 266 | }; // end namespace behavioural |
---|
| 267 | }; // end namespace morpheo |
---|