[78] | 1 | /* |
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| 2 | * $Id: Direction_Glue.cpp 107 2009-02-10 23:03:25Z 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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[88] | 41 | |
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| 42 | #if DEBUG_Direction_Glue == true |
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| 43 | log_printf(INFO,Direction_Glue,FUNCTION,_("<%s> Parameters"),_name.c_str()); |
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| 44 | |
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| 45 | std::cout << *param << std::endl; |
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| 46 | #endif |
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| 47 | |
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[78] | 48 | log_printf(INFO,Direction_Glue,FUNCTION,"Allocation"); |
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| 49 | |
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| 50 | allocation ( |
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| 51 | #ifdef STATISTICS |
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| 52 | param_statistics |
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| 53 | #endif |
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| 54 | ); |
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| 55 | |
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| 56 | #ifdef STATISTICS |
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[88] | 57 | if (usage_is_set(_usage,USE_STATISTICS)) |
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[78] | 58 | { |
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| 59 | log_printf(INFO,Direction_Glue,FUNCTION,"Allocation of statistics"); |
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| 60 | |
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| 61 | statistics_allocation(param_statistics); |
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| 62 | } |
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| 63 | #endif |
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| 64 | |
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| 65 | #ifdef VHDL |
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[88] | 66 | if (usage_is_set(_usage,USE_VHDL)) |
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[78] | 67 | { |
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| 68 | // generate the vhdl |
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| 69 | log_printf(INFO,Direction_Glue,FUNCTION,"Generate the vhdl"); |
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| 70 | |
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| 71 | vhdl(); |
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| 72 | } |
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| 73 | #endif |
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| 74 | |
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| 75 | #ifdef SYSTEMC |
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[88] | 76 | if (usage_is_set(_usage,USE_SYSTEMC)) |
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[78] | 77 | { |
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| 78 | bool need_genmealy_predict = true; |
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| 79 | bool need_genmealy_update = true; |
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| 80 | |
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| 81 | // Constant |
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| 82 | if (not _param->_have_component_meta_predictor) |
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| 83 | { |
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| 84 | // no need update |
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| 85 | need_genmealy_update = false; |
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| 86 | for (uint32_t i=0; i<_param->_nb_inst_update; i++) |
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| 87 | PORT_WRITE(out_UPDATE_ACK [i], 1); |
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| 88 | |
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| 89 | // always ack |
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| 90 | for (uint32_t i=0; i<_param->_nb_inst_predict; i++) |
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| 91 | { |
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| 92 | PORT_WRITE(out_PREDICT_ACK [i], 1); |
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| 93 | |
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[107] | 94 | // constant direction : never / always |
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[78] | 95 | switch (_param->_predictor_scheme) |
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| 96 | { |
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| 97 | case PREDICTOR_NEVER_TAKE : |
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| 98 | { |
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| 99 | need_genmealy_predict = false; |
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| 100 | PORT_WRITE(out_PREDICT_DIRECTION [i], 0); |
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| 101 | break; |
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| 102 | } |
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| 103 | case PREDICTOR_ALWAYS_TAKE : |
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| 104 | { |
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| 105 | need_genmealy_predict = false; |
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| 106 | PORT_WRITE(out_PREDICT_DIRECTION [i], 1); |
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| 107 | break; |
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| 108 | } |
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| 109 | default : break; |
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| 110 | } |
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| 111 | } |
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| 112 | } |
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| 113 | |
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| 114 | # if defined(STATISTICS) or defined(VHDL_TESTBENCH) |
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| 115 | log_printf(INFO,Direction_Glue,FUNCTION,"Method - transition"); |
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| 116 | |
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| 117 | SC_METHOD (transition); |
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| 118 | dont_initialize (); |
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| 119 | sensitive << (*(in_CLOCK)).pos(); |
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| 120 | |
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| 121 | # ifdef SYSTEMCASS_SPECIFIC |
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| 122 | // List dependency information |
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| 123 | # endif |
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| 124 | # endif |
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| 125 | |
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| 126 | if (need_genmealy_predict) |
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| 127 | { |
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| 128 | log_printf(INFO,Direction_Glue,FUNCTION,"Method - genMealy_predict"); |
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| 129 | |
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| 130 | SC_METHOD (genMealy_predict); |
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| 131 | dont_initialize (); |
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| 132 | // sensitive << (*(in_CLOCK)).neg(); // don't use internal register |
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| 133 | for (uint32_t i=0; i<_param->_nb_inst_predict; i++) |
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| 134 | { |
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| 135 | switch (_param->_predictor_scheme) |
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| 136 | { |
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| 137 | case PREDICTOR_STATIC : |
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| 138 | { |
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| 139 | sensitive << (*(in_PREDICT_STATIC [i])); |
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| 140 | break; |
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| 141 | } |
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| 142 | case PREDICTOR_LAST_TAKE : |
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| 143 | { |
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| 144 | sensitive << (*(in_PREDICT_LAST_TAKE [i])); |
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| 145 | break; |
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| 146 | } |
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| 147 | case PREDICTOR_COUNTER : |
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| 148 | case PREDICTOR_LOCAL : |
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| 149 | case PREDICTOR_GLOBAL : |
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| 150 | case PREDICTOR_META : |
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| 151 | case PREDICTOR_CUSTOM : |
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| 152 | { |
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| 153 | sensitive << (*(in_PREDICT_VAL [i])) |
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| 154 | << (*(in_PREDICT_ADDRESS_SRC [i])) |
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| 155 | << (*(in_PREDICT_PREDICTOR_ACK [i])) |
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| 156 | << (*(in_PREDICT_PREDICTOR_HISTORY [i])) |
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| 157 | << (*(in_PREDICT_PREDICTOR_DIRECTION [i])); |
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| 158 | break; |
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| 159 | } |
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| 160 | default : |
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| 161 | { |
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| 162 | break; |
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| 163 | } |
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| 164 | } |
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| 165 | } |
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| 166 | |
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| 167 | # ifdef SYSTEMCASS_SPECIFIC |
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[107] | 168 | // // List dependency information |
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| 169 | // for (uint32_t i=0; i<_param->_nb_inst_predict; i++) |
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| 170 | // { |
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[78] | 171 | |
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[107] | 172 | // switch (_param->_predictor_scheme) |
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| 173 | // { |
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| 174 | // case PREDICTOR_STATIC : |
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| 175 | // { |
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| 176 | // (*(out_PREDICT_DIRECTION [i])) (*(in_PREDICT_STATIC [i])); |
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[78] | 177 | |
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[107] | 178 | // break; |
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| 179 | // } |
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| 180 | // case PREDICTOR_LAST_TAKE : |
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| 181 | // { |
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| 182 | // (*(out_PREDICT_DIRECTION [i])) (*(in_PREDICT_LAST_TAKE [i])); |
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[78] | 183 | |
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[107] | 184 | // break; |
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| 185 | // } |
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| 186 | // case PREDICTOR_COUNTER : |
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| 187 | // case PREDICTOR_LOCAL : |
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| 188 | // case PREDICTOR_GLOBAL : |
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| 189 | // case PREDICTOR_META : |
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| 190 | // case PREDICTOR_CUSTOM : |
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| 191 | // { |
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| 192 | // (*(out_PREDICT_ACK [i])) (*(in_PREDICT_PREDICTOR_ACK [i])); |
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| 193 | // (*(out_PREDICT_HISTORY [i])) (*(in_PREDICT_PREDICTOR_HISTORY [i])); |
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| 194 | // (*(out_PREDICT_DIRECTION [i])) (*(in_PREDICT_PREDICTOR_DIRECTION [i])); |
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| 195 | // (*(out_PREDICT_PREDICTOR_VAL [i])) (*(in_PREDICT_VAL [i])); |
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| 196 | // (*(out_PREDICT_PREDICTOR_ADDRESS_SRC [i])) (*(in_PREDICT_ADDRESS_SRC [i])); |
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[78] | 197 | |
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[107] | 198 | // break; |
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| 199 | // } |
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| 200 | // default : |
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| 201 | // { |
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| 202 | // break; |
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| 203 | // } |
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| 204 | // } |
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| 205 | // } |
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[78] | 206 | # endif |
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| 207 | } |
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| 208 | |
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| 209 | if (need_genmealy_update) |
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| 210 | { |
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| 211 | log_printf(INFO,Direction_Glue,FUNCTION,"Method - genMealy_update"); |
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| 212 | |
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| 213 | SC_METHOD (genMealy_update); |
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| 214 | dont_initialize (); |
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| 215 | // sensitive << (*(in_CLOCK)).neg(); // don't use internal register |
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| 216 | for (uint32_t i=0; i<_param->_nb_inst_update; i++) |
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| 217 | sensitive << (*(in_UPDATE_VAL [i])) |
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| 218 | << (*(in_UPDATE_PREDICTOR_ACK [i])) |
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| 219 | << (*(in_UPDATE_ADDRESS [i])) |
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| 220 | << (*(in_UPDATE_HISTORY [i])) |
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| 221 | << (*(in_UPDATE_DIRECTION [i])); |
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| 222 | |
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| 223 | # ifdef SYSTEMCASS_SPECIFIC |
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[107] | 224 | // // List dependency information |
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| 225 | // for (uint32_t i=0; i<_param->_nb_inst_update; i++) |
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| 226 | // { |
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| 227 | // (*(out_UPDATE_PREDICTOR_VAL [i])) (*(in_UPDATE_VAL [i])); |
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| 228 | // (*(out_UPDATE_ACK [i])) (*(in_UPDATE_PREDICTOR_ACK [i])); |
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| 229 | // (*(out_UPDATE_PREDICTOR_ADDRESS [i])) (*(in_UPDATE_ADDRESS [i])); |
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| 230 | // (*(out_UPDATE_PREDICTOR_HISTORY [i])) (*(in_UPDATE_HISTORY [i])); |
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| 231 | // (*(out_UPDATE_PREDICTOR_DIRECTION [i])) (*(in_UPDATE_DIRECTION [i])); |
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| 232 | // } |
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[78] | 233 | # endif |
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| 234 | } |
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| 235 | #endif |
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| 236 | } |
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| 237 | log_printf(FUNC,Direction_Glue,FUNCTION,"End"); |
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| 238 | }; |
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| 239 | |
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| 240 | #undef FUNCTION |
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| 241 | #define FUNCTION "Direction_Glue::~Direction_Glue" |
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| 242 | Direction_Glue::~Direction_Glue (void) |
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| 243 | { |
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| 244 | log_printf(FUNC,Direction_Glue,FUNCTION,"Begin"); |
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| 245 | |
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| 246 | #ifdef STATISTICS |
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[88] | 247 | if (usage_is_set(_usage,USE_STATISTICS)) |
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[78] | 248 | { |
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| 249 | statistics_deallocation(); |
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| 250 | } |
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| 251 | #endif |
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| 252 | |
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| 253 | log_printf(INFO,Direction_Glue,FUNCTION,"Deallocation"); |
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| 254 | deallocation (); |
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| 255 | |
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| 256 | log_printf(FUNC,Direction_Glue,FUNCTION,"End"); |
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| 257 | }; |
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| 258 | |
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| 259 | }; // end namespace direction_glue |
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| 260 | }; // end namespace direction |
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| 261 | }; // end namespace prediction_unit |
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| 262 | }; // end namespace front_end |
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| 263 | }; // end namespace multi_front_end |
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| 264 | }; // end namespace core |
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| 265 | |
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| 266 | }; // end namespace behavioural |
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| 267 | }; // end namespace morpheo |
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