[78] | 1 | /* |
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| 2 | * $Id: Direction_Glue.cpp 81 2008-04-15 18:40:01Z rosiere $ |
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| 3 | * |
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| 4 | * [ Description ] |
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| 5 | * |
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| 6 | */ |
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| 7 | |
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| 8 | #include "Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Direction/Direction_Glue/include/Direction_Glue.h" |
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| 9 | |
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| 10 | namespace morpheo { |
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| 11 | namespace behavioural { |
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| 12 | namespace core { |
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| 13 | namespace multi_front_end { |
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| 14 | namespace front_end { |
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| 15 | namespace prediction_unit { |
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| 16 | namespace direction { |
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| 17 | namespace direction_glue { |
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| 18 | |
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| 19 | |
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| 20 | #undef FUNCTION |
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| 21 | #define FUNCTION "Direction_Glue::Direction_Glue" |
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| 22 | Direction_Glue::Direction_Glue |
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| 23 | ( |
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| 24 | #ifdef SYSTEMC |
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| 25 | sc_module_name name, |
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| 26 | #else |
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| 27 | string name, |
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| 28 | #endif |
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| 29 | #ifdef STATISTICS |
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| 30 | morpheo::behavioural::Parameters_Statistics * param_statistics, |
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| 31 | #endif |
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| 32 | morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::direction::direction_glue::Parameters * param, |
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| 33 | morpheo::behavioural::Tusage_t usage |
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| 34 | ): |
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| 35 | _name (name) |
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| 36 | ,_param (param) |
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| 37 | ,_usage (usage) |
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| 38 | { |
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| 39 | log_printf(FUNC,Direction_Glue,FUNCTION,"Begin"); |
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| 40 | |
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| 41 | log_printf(INFO,Direction_Glue,FUNCTION,"Allocation"); |
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| 42 | |
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| 43 | allocation ( |
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| 44 | #ifdef STATISTICS |
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| 45 | param_statistics |
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| 46 | #endif |
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| 47 | ); |
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| 48 | |
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| 49 | #ifdef STATISTICS |
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| 50 | if (_usage & USE_STATISTICS) |
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| 51 | { |
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| 52 | log_printf(INFO,Direction_Glue,FUNCTION,"Allocation of statistics"); |
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| 53 | |
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| 54 | statistics_allocation(param_statistics); |
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| 55 | } |
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| 56 | #endif |
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| 57 | |
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| 58 | #ifdef VHDL |
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| 59 | if (_usage & USE_VHDL) |
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| 60 | { |
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| 61 | // generate the vhdl |
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| 62 | log_printf(INFO,Direction_Glue,FUNCTION,"Generate the vhdl"); |
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| 63 | |
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| 64 | vhdl(); |
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| 65 | } |
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| 66 | #endif |
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| 67 | |
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| 68 | #ifdef SYSTEMC |
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| 69 | if (_usage & USE_SYSTEMC) |
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| 70 | { |
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| 71 | bool need_genmealy_predict = true; |
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| 72 | bool need_genmealy_update = true; |
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| 73 | |
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| 74 | // Constant |
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| 75 | if (not _param->_have_component_meta_predictor) |
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| 76 | { |
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| 77 | // no need update |
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| 78 | need_genmealy_update = false; |
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| 79 | for (uint32_t i=0; i<_param->_nb_inst_update; i++) |
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| 80 | PORT_WRITE(out_UPDATE_ACK [i], 1); |
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| 81 | |
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| 82 | // always ack |
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| 83 | for (uint32_t i=0; i<_param->_nb_inst_predict; i++) |
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| 84 | { |
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| 85 | PORT_WRITE(out_PREDICT_ACK [i], 1); |
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| 86 | |
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| 87 | // constant direction : never / always |
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| 88 | switch (_param->_predictor_scheme) |
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| 89 | { |
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| 90 | case PREDICTOR_NEVER_TAKE : |
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| 91 | { |
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| 92 | need_genmealy_predict = false; |
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| 93 | PORT_WRITE(out_PREDICT_DIRECTION [i], 0); |
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| 94 | break; |
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| 95 | } |
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| 96 | case PREDICTOR_ALWAYS_TAKE : |
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| 97 | { |
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| 98 | need_genmealy_predict = false; |
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| 99 | PORT_WRITE(out_PREDICT_DIRECTION [i], 1); |
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| 100 | break; |
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| 101 | } |
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| 102 | default : break; |
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| 103 | } |
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| 104 | } |
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| 105 | } |
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| 106 | |
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| 107 | # if defined(STATISTICS) or defined(VHDL_TESTBENCH) |
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| 108 | log_printf(INFO,Direction_Glue,FUNCTION,"Method - transition"); |
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| 109 | |
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| 110 | SC_METHOD (transition); |
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| 111 | dont_initialize (); |
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| 112 | sensitive << (*(in_CLOCK)).pos(); |
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| 113 | |
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| 114 | # ifdef SYSTEMCASS_SPECIFIC |
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| 115 | // List dependency information |
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| 116 | # endif |
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| 117 | # endif |
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| 118 | |
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| 119 | if (need_genmealy_predict) |
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| 120 | { |
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| 121 | log_printf(INFO,Direction_Glue,FUNCTION,"Method - genMealy_predict"); |
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| 122 | |
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| 123 | SC_METHOD (genMealy_predict); |
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| 124 | dont_initialize (); |
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| 125 | // sensitive << (*(in_CLOCK)).neg(); // don't use internal register |
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| 126 | for (uint32_t i=0; i<_param->_nb_inst_predict; i++) |
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| 127 | { |
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| 128 | switch (_param->_predictor_scheme) |
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| 129 | { |
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| 130 | case PREDICTOR_STATIC : |
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| 131 | { |
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| 132 | sensitive << (*(in_PREDICT_STATIC [i])); |
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| 133 | break; |
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| 134 | } |
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| 135 | case PREDICTOR_LAST_TAKE : |
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| 136 | { |
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| 137 | sensitive << (*(in_PREDICT_LAST_TAKE [i])); |
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| 138 | break; |
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| 139 | } |
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| 140 | case PREDICTOR_COUNTER : |
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| 141 | case PREDICTOR_LOCAL : |
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| 142 | case PREDICTOR_GLOBAL : |
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| 143 | case PREDICTOR_META : |
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| 144 | case PREDICTOR_CUSTOM : |
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| 145 | { |
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| 146 | sensitive << (*(in_PREDICT_VAL [i])) |
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| 147 | << (*(in_PREDICT_ADDRESS_SRC [i])) |
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| 148 | << (*(in_PREDICT_PREDICTOR_ACK [i])) |
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| 149 | << (*(in_PREDICT_PREDICTOR_HISTORY [i])) |
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| 150 | << (*(in_PREDICT_PREDICTOR_DIRECTION [i])); |
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| 151 | break; |
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| 152 | } |
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| 153 | default : |
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| 154 | { |
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| 155 | break; |
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| 156 | } |
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| 157 | } |
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| 158 | } |
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| 159 | |
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| 160 | # ifdef SYSTEMCASS_SPECIFIC |
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| 161 | // List dependency information |
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| 162 | for (uint32_t i=0; i<_param->_nb_inst_predict; i++) |
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| 163 | { |
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| 164 | |
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| 165 | switch (_param->_predictor_scheme) |
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| 166 | { |
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| 167 | case PREDICTOR_STATIC : |
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| 168 | { |
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| 169 | (*(out_PREDICT_DIRECTION [i])) (*(in_PREDICT_STATIC [i])); |
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| 170 | |
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| 171 | break; |
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| 172 | } |
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| 173 | case PREDICTOR_LAST_TAKE : |
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| 174 | { |
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| 175 | (*(out_PREDICT_DIRECTION [i])) (*(in_PREDICT_LAST_TAKE [i])); |
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| 176 | |
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| 177 | break; |
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| 178 | } |
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| 179 | case PREDICTOR_COUNTER : |
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| 180 | case PREDICTOR_LOCAL : |
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| 181 | case PREDICTOR_GLOBAL : |
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| 182 | case PREDICTOR_META : |
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| 183 | case PREDICTOR_CUSTOM : |
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| 184 | { |
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| 185 | (*(out_PREDICT_ACK [i])) (*(in_PREDICT_PREDICTOR_ACK [i])); |
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| 186 | (*(out_PREDICT_HISTORY [i])) (*(in_PREDICT_PREDICTOR_HISTORY [i])); |
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| 187 | (*(out_PREDICT_DIRECTION [i])) (*(in_PREDICT_PREDICTOR_DIRECTION [i])); |
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| 188 | (*(out_PREDICT_PREDICTOR_VAL [i])) (*(in_PREDICT_VAL [i])); |
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| 189 | (*(out_PREDICT_PREDICTOR_ADDRESS_SRC [i])) (*(in_PREDICT_ADDRESS_SRC [i])); |
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| 190 | |
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| 191 | break; |
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| 192 | } |
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| 193 | default : |
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| 194 | { |
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| 195 | break; |
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| 196 | } |
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| 197 | } |
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| 198 | } |
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| 199 | # endif |
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| 200 | } |
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| 201 | |
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| 202 | if (need_genmealy_update) |
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| 203 | { |
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| 204 | log_printf(INFO,Direction_Glue,FUNCTION,"Method - genMealy_update"); |
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| 205 | |
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| 206 | SC_METHOD (genMealy_update); |
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| 207 | dont_initialize (); |
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| 208 | // sensitive << (*(in_CLOCK)).neg(); // don't use internal register |
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| 209 | for (uint32_t i=0; i<_param->_nb_inst_update; i++) |
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| 210 | sensitive << (*(in_UPDATE_VAL [i])) |
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| 211 | << (*(in_UPDATE_PREDICTOR_ACK [i])) |
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| 212 | << (*(in_UPDATE_ADDRESS [i])) |
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| 213 | << (*(in_UPDATE_HISTORY [i])) |
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| 214 | << (*(in_UPDATE_DIRECTION [i])); |
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| 215 | |
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| 216 | # ifdef SYSTEMCASS_SPECIFIC |
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| 217 | // List dependency information |
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| 218 | for (uint32_t i=0; i<_param->_nb_inst_update; i++) |
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| 219 | { |
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| 220 | (*(out_UPDATE_PREDICTOR_VAL [i])) (*(in_UPDATE_VAL [i])); |
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| 221 | (*(out_UPDATE_ACK [i])) (*(in_UPDATE_PREDICTOR_ACK [i])); |
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| 222 | (*(out_UPDATE_PREDICTOR_ADDRESS [i])) (*(in_UPDATE_ADDRESS [i])); |
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| 223 | (*(out_UPDATE_PREDICTOR_HISTORY [i])) (*(in_UPDATE_HISTORY [i])); |
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| 224 | (*(out_UPDATE_PREDICTOR_DIRECTION [i])) (*(in_UPDATE_DIRECTION [i])); |
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| 225 | } |
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| 226 | # endif |
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| 227 | } |
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| 228 | #endif |
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| 229 | } |
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| 230 | log_printf(FUNC,Direction_Glue,FUNCTION,"End"); |
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| 231 | }; |
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| 232 | |
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| 233 | #undef FUNCTION |
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| 234 | #define FUNCTION "Direction_Glue::~Direction_Glue" |
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| 235 | Direction_Glue::~Direction_Glue (void) |
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| 236 | { |
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| 237 | log_printf(FUNC,Direction_Glue,FUNCTION,"Begin"); |
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| 238 | |
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| 239 | #ifdef STATISTICS |
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| 240 | if (_usage & USE_STATISTICS) |
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| 241 | { |
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| 242 | statistics_deallocation(); |
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| 243 | } |
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| 244 | #endif |
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| 245 | |
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| 246 | log_printf(INFO,Direction_Glue,FUNCTION,"Deallocation"); |
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| 247 | deallocation (); |
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| 248 | |
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| 249 | log_printf(FUNC,Direction_Glue,FUNCTION,"End"); |
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| 250 | }; |
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| 251 | |
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| 252 | }; // end namespace direction_glue |
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| 253 | }; // end namespace direction |
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| 254 | }; // end namespace prediction_unit |
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| 255 | }; // end namespace front_end |
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| 256 | }; // end namespace multi_front_end |
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| 257 | }; // end namespace core |
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| 258 | |
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| 259 | }; // end namespace behavioural |
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| 260 | }; // end namespace morpheo |
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