[2] | 1 | #ifdef SYSTEMC |
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| 2 | /* |
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| 3 | * $Id$ |
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| 4 | * |
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| 5 | * [ Description ] |
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| 6 | * |
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| 7 | */ |
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| 8 | |
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| 9 | #include "Behavioural/Stage_1_Ifetch/Predictor/Meta_Predictor/Two_Level_Branch_Predictor/include/Two_Level_Branch_Predictor.h" |
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| 10 | |
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| 11 | namespace morpheo { |
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| 12 | namespace behavioural { |
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| 13 | namespace stage_1_ifetch { |
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| 14 | namespace predictor { |
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| 15 | namespace meta_predictor { |
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| 16 | namespace two_level_branch_predictor { |
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| 17 | |
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| 18 | void Two_Level_Branch_Predictor::allocation (void) |
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| 19 | { |
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| 20 | log_printf(FUNC,Two_Level_Branch_Predictor,"allocation","Begin"); |
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| 21 | |
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[42] | 22 | _component = new Component (); |
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[2] | 23 | |
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[42] | 24 | Entity * entity = _component->set_entity (_name |
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| 25 | ,"Two_Level_Branch_Predictor" |
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| 26 | #ifdef POSITION |
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| 27 | ,MIXTE |
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| 28 | #endif |
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| 29 | ); |
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| 30 | |
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| 31 | _interfaces = entity->set_interfaces(); |
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| 32 | |
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| 33 | // ~~~~~[ Interface : "" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 34 | { |
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| 35 | Interface * interface = _interfaces->set_interface("" |
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| 36 | #ifdef POSITION |
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| 37 | , IN |
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| 38 | , SOUTH |
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| 39 | , "Generalist interface" |
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| 40 | #endif |
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| 41 | ); |
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| 42 | |
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| 43 | in_CLOCK = interface->set_signal_clk ("clock" ,1); |
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| 44 | in_NRESET = interface->set_signal_in <Tcontrol_t> ("nreset",1,RESET_VHDL_YES); |
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| 45 | } |
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| 46 | |
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| 47 | // ~~~~~[ Interface : "predict" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 48 | |
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[2] | 49 | in_PREDICT_VAL = new SC_IN (Tcontrol_t) * [_param._nb_prediction ]; |
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| 50 | out_PREDICT_ACK = new SC_OUT(Tcontrol_t) * [_param._nb_prediction ]; |
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| 51 | in_PREDICT_ADDRESS = new SC_IN (Taddress_t) * [_param._nb_prediction ]; |
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| 52 | if (_param._have_bht) |
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| 53 | out_PREDICT_BHT_HISTORY = new SC_OUT(Tbht_history_t) * [_param._nb_prediction ]; |
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| 54 | if (_param._have_pht) |
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| 55 | out_PREDICT_PHT_HISTORY = new SC_OUT(Tpht_history_t) * [_param._nb_prediction ]; |
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| 56 | |
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| 57 | for (uint32_t i=0; i<_param._nb_prediction; i++) |
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| 58 | { |
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[42] | 59 | Interface_fifo * interface = _interfaces->set_interface("predict_"+toString(i) |
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| 60 | #ifdef POSITION |
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| 61 | , IN |
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| 62 | , WEST |
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| 63 | , "Interface Predict" |
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| 64 | #endif |
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| 65 | ); |
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[2] | 66 | |
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[42] | 67 | in_PREDICT_VAL [i] = interface->set_signal_valack_in ("val" , VAL); |
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| 68 | out_PREDICT_ACK [i] = interface->set_signal_valack_out ("ack" , ACK); |
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| 69 | in_PREDICT_ADDRESS [i] = interface->set_signal_in <Taddress_t> ("address", _param._size_address); |
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[2] | 70 | if (_param._have_bht) |
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[42] | 71 | out_PREDICT_BHT_HISTORY [i] = interface->set_signal_out <Tbht_history_t> ("bht_history", _param._bht_size_shifter); |
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[2] | 72 | if (_param._have_pht) |
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[42] | 73 | out_PREDICT_PHT_HISTORY [i] = interface->set_signal_out <Tpht_history_t> ("pht_history", _param._pht_size_counter); |
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| 74 | } |
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[2] | 75 | |
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[42] | 76 | // ~~~~~[ Interface : "branch_complete" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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[2] | 77 | |
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| 78 | in_BRANCH_COMPLETE_VAL = new SC_IN (Tcontrol_t) * [_param._nb_branch_complete]; |
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| 79 | out_BRANCH_COMPLETE_ACK = new SC_OUT(Tcontrol_t) * [_param._nb_branch_complete]; |
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| 80 | in_BRANCH_COMPLETE_ADDRESS = new SC_IN (Taddress_t) * [_param._nb_branch_complete]; |
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| 81 | if (_param._have_bht) |
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| 82 | in_BRANCH_COMPLETE_BHT_HISTORY = new SC_IN (Tbht_history_t) * [_param._nb_branch_complete]; |
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| 83 | if (_param._have_pht) |
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| 84 | in_BRANCH_COMPLETE_PHT_HISTORY = new SC_IN (Tpht_history_t) * [_param._nb_branch_complete]; |
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[3] | 85 | in_BRANCH_COMPLETE_DIRECTION = new SC_IN (Tcontrol_t) * [_param._nb_branch_complete]; |
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[2] | 86 | |
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| 87 | for (uint32_t i=0; i<_param._nb_branch_complete; i++) |
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| 88 | { |
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[43] | 89 | Interface_fifo * interface = _interfaces->set_interface("branch_complete_"+toString(i) |
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| 90 | #ifdef POSITION |
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| 91 | , IN |
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| 92 | , EAST |
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| 93 | , "Interface branch complete" |
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| 94 | #endif |
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| 95 | ); |
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| 96 | |
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| 97 | in_BRANCH_COMPLETE_VAL [i] = interface->set_signal_valack_in ("val" , VAL); |
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| 98 | out_BRANCH_COMPLETE_ACK [i] = interface->set_signal_valack_out ("ack" , ACK); |
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| 99 | in_BRANCH_COMPLETE_ADDRESS [i] = interface->set_signal_in <Taddress_t > ("address" , _param._size_address); |
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[2] | 100 | if (_param._have_bht) |
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[43] | 101 | in_BRANCH_COMPLETE_BHT_HISTORY [i] = interface->set_signal_in <Tbht_history_t> ("bht_history", _param._bht_size_shifter); |
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[3] | 102 | if (_param._have_pht) |
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[43] | 103 | in_BRANCH_COMPLETE_PHT_HISTORY [i] = interface->set_signal_in <Tpht_history_t> ("pht_history", _param._pht_size_counter); |
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| 104 | in_BRANCH_COMPLETE_DIRECTION [i] = interface->set_signal_in <Tcontrol_t > ("direction" , 1); |
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[2] | 105 | } |
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| 106 | |
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| 107 | // ~~~~~[ Component ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 108 | string name_component; |
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| 109 | |
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| 110 | // =====[ component_Branch_History_Table ]============================ |
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| 111 | if (_param._have_bht) |
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| 112 | { |
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| 113 | name_component = _name+"_Branch_History_Table"; |
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| 114 | |
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[42] | 115 | component_Branch_History_Table = new morpheo::behavioural::stage_1_ifetch::predictor::meta_predictor::two_level_branch_predictor::branch_history_table ::Branch_History_Table (name_component.c_str() |
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[2] | 116 | #ifdef STATISTICS |
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[42] | 117 | ,_param_statistics |
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[2] | 118 | #endif |
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[43] | 119 | ,*(_param._param_branch_history_table)); |
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[2] | 120 | |
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[42] | 121 | _component->set_component (component_Branch_History_Table->_component |
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| 122 | #ifdef POSITION |
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| 123 | , 75 |
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| 124 | , 25 |
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| 125 | , 10 |
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| 126 | , 10 |
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| 127 | #endif |
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| 128 | ); |
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| 129 | } |
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| 130 | |
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| 131 | // =====[ component_Pattern_History_Table ]=========================== |
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| 132 | if (_param._have_pht) |
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| 133 | { |
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| 134 | name_component = _name+"_Pattern_History_Table"; |
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| 135 | |
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| 136 | component_Pattern_History_Table = new morpheo::behavioural::stage_1_ifetch::predictor::meta_predictor::two_level_branch_predictor::pattern_history_table ::Pattern_History_Table (name_component.c_str() |
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| 137 | #ifdef STATISTICS |
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| 138 | ,_param_statistics |
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| 139 | #endif |
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[43] | 140 | ,*(_param._param_pattern_history_table)); |
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[42] | 141 | |
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| 142 | _component->set_component (component_Pattern_History_Table->_component |
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| 143 | #ifdef POSITION |
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| 144 | , 75 |
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| 145 | , 75 |
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| 146 | , 10 |
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| 147 | , 10 |
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| 148 | #endif |
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| 149 | ); |
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| 150 | } |
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[2] | 151 | |
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[42] | 152 | // =====[ component_Two_Level_Branch_Predictor_Glue ]================= |
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| 153 | |
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| 154 | name_component = _name+"_Two_Level_Branch_Predictor_Glue"; |
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| 155 | |
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| 156 | component_Two_Level_Branch_Predictor_Glue = new morpheo::behavioural::stage_1_ifetch::predictor::meta_predictor::two_level_branch_predictor::two_level_branch_predictor_glue::Two_Level_Branch_Predictor_Glue (name_component.c_str() |
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| 157 | #ifdef STATISTICS |
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| 158 | ,_param_statistics |
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| 159 | #endif |
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[43] | 160 | ,*(_param._param_two_level_branch_predictor_glue)); |
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[42] | 161 | |
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[43] | 162 | _component->set_component (component_Two_Level_Branch_Predictor_Glue->_component |
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[42] | 163 | #ifdef POSITION |
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| 164 | , 50 |
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| 165 | , 75 |
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| 166 | , 10 |
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| 167 | , 10 |
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| 168 | #endif |
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| 169 | ); |
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| 170 | |
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| 171 | // ~~~~~[ Component - Instanciation ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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[43] | 172 | |
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[42] | 173 | // =====[ component_Branch_History_Table - Instanciation ]============ |
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| 174 | if (_param._have_bht) |
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| 175 | { |
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| 176 | #ifdef POSITION |
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| 177 | _component->interface_map (_name+"_Branch_History_Table","", |
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| 178 | _name ,""); |
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| 179 | #endif |
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| 180 | |
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| 181 | _component->port_map(_name+"_Branch_History_Table", "in_CLOCK" , _name,"in_CLOCK" ); |
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| 182 | _component->port_map(_name+"_Branch_History_Table", "in_NRESET", _name,"in_NRESET"); |
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| 183 | |
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[2] | 184 | for (uint32_t i=0; i<_param._nb_prediction; i++) |
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| 185 | { |
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[42] | 186 | #ifdef POSITION |
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| 187 | _component->interface_map (_name+"_Branch_History_Table","predict_"+toString(i), |
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| 188 | _name ,"predict_"+toString(i)); |
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| 189 | #endif |
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| 190 | _component->port_map(_name+"_Branch_History_Table", "in_PREDICT_"+toString(i)+"_VAL" , _name , "in_PREDICT_"+toString(i)+"_VAL" ); |
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| 191 | _component->port_map(_name+"_Branch_History_Table","out_PREDICT_"+toString(i)+"_ACK" , _name+"_Two_Level_Branch_Predictor_Glue", "in_PREDICT_"+toString(i)+"_BHT_ACK" ); |
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| 192 | _component->port_map(_name+"_Branch_History_Table", "in_PREDICT_"+toString(i)+"_ADDRESS", _name+"_Two_Level_Branch_Predictor_Glue","out_PREDICT_"+toString(i)+"_BHT_ADDRESS"); |
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| 193 | _component->port_map(_name+"_Branch_History_Table","out_PREDICT_"+toString(i)+"_HISTORY", _name ,"out_PREDICT_"+toString(i)+"_BHT_HISTORY"); |
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[2] | 194 | } |
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| 195 | |
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| 196 | for (uint32_t i=0; i<_param._nb_branch_complete; i++) |
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| 197 | { |
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[42] | 198 | #ifdef POSITION |
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| 199 | _component->interface_map (_name+"_Branch_History_Table","branch_complete_"+toString(i), |
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| 200 | _name ,"branch_complete_"+toString(i)); |
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| 201 | #endif |
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| 202 | _component->port_map(_name+"_Branch_History_Table", "in_BRANCH_COMPLETE_"+toString(i)+"_VAL" , _name , "in_BRANCH_COMPLETE_"+toString(i)+"_VAL" ); |
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| 203 | _component->port_map(_name+"_Branch_History_Table","out_BRANCH_COMPLETE_"+toString(i)+"_ACK" , _name+"_Two_Level_Branch_Predictor_Glue", "in_BRANCH_COMPLETE_"+toString(i)+"_BHT_ACK" ); |
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| 204 | _component->port_map(_name+"_Branch_History_Table", "in_BRANCH_COMPLETE_"+toString(i)+"_ADDRESS" , _name+"_Two_Level_Branch_Predictor_Glue","out_BRANCH_COMPLETE_"+toString(i)+"_BHT_ADDRESS" ); |
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| 205 | _component->port_map(_name+"_Branch_History_Table", "in_BRANCH_COMPLETE_"+toString(i)+"_HISTORY" , _name , "in_BRANCH_COMPLETE_"+toString(i)+"_BHT_HISTORY" ); |
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| 206 | _component->port_map(_name+"_Branch_History_Table", "in_BRANCH_COMPLETE_"+toString(i)+"_DIRECTION", _name , "in_BRANCH_COMPLETE_"+toString(i)+"_DIRECTION" ); |
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[2] | 207 | } |
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| 208 | } |
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[42] | 209 | |
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| 210 | // =====[ component_Pattern_History_Table - Instanciation ]=========== |
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[2] | 211 | if (_param._have_pht) |
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| 212 | { |
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[42] | 213 | #ifdef POSITION |
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| 214 | _component->interface_map (_name+"_Pattern_History_Table","", |
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| 215 | _name ,""); |
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[2] | 216 | #endif |
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| 217 | |
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[42] | 218 | _component->port_map(_name+"_Pattern_History_Table", "in_CLOCK" , _name,"in_CLOCK" ); |
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| 219 | _component->port_map(_name+"_Pattern_History_Table", "in_NRESET", _name,"in_NRESET"); |
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| 220 | |
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[2] | 221 | for (uint32_t i=0; i<_param._nb_prediction; i++) |
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| 222 | { |
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[42] | 223 | #ifdef POSITION |
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| 224 | _component->interface_map (_name+"_Pattern_History_Table","predict_"+toString(i), |
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| 225 | _name ,"predict_"+toString(i)); |
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| 226 | #endif |
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| 227 | _component->port_map(_name+"_Pattern_History_Table", "in_PREDICT_"+toString(i)+"_VAL" , _name , "in_PREDICT_"+toString(i)+"_VAL" ); |
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| 228 | _component->port_map(_name+"_Pattern_History_Table","out_PREDICT_"+toString(i)+"_ACK" , _name+"_Two_Level_Branch_Predictor_Glue", "in_PREDICT_"+toString(i)+"_PHT_ACK" ); |
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| 229 | _component->port_map(_name+"_Pattern_History_Table", "in_PREDICT_"+toString(i)+"_ADDRESS", _name+"_Two_Level_Branch_Predictor_Glue","out_PREDICT_"+toString(i)+"_PHT_ADDRESS"); |
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| 230 | _component->port_map(_name+"_Pattern_History_Table","out_PREDICT_"+toString(i)+"_HISTORY", _name ,"out_PREDICT_"+toString(i)+"_PHT_HISTORY"); |
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[2] | 231 | } |
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[43] | 232 | |
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[2] | 233 | for (uint32_t i=0; i<_param._nb_branch_complete; i++) |
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| 234 | { |
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[42] | 235 | #ifdef POSITION |
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| 236 | _component->interface_map (_name+"_Pattern_History_Table","branch_complete_"+toString(i), |
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| 237 | _name ,"branch_complete_"+toString(i)); |
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| 238 | #endif |
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| 239 | _component->port_map(_name+"_Pattern_History_Table", "in_BRANCH_COMPLETE_"+toString(i)+"_VAL" , _name , "in_BRANCH_COMPLETE_"+toString(i)+"_VAL" ); |
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| 240 | _component->port_map(_name+"_Pattern_History_Table","out_BRANCH_COMPLETE_"+toString(i)+"_ACK" , _name+"_Two_Level_Branch_Predictor_Glue", "in_BRANCH_COMPLETE_"+toString(i)+"_PHT_ACK" ); |
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| 241 | _component->port_map(_name+"_Pattern_History_Table", "in_BRANCH_COMPLETE_"+toString(i)+"_ADDRESS" , _name+"_Two_Level_Branch_Predictor_Glue","out_BRANCH_COMPLETE_"+toString(i)+"_PHT_ADDRESS" ); |
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| 242 | _component->port_map(_name+"_Pattern_History_Table", "in_BRANCH_COMPLETE_"+toString(i)+"_HISTORY" , _name , "in_BRANCH_COMPLETE_"+toString(i)+"_PHT_HISTORY" ); |
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| 243 | _component->port_map(_name+"_Pattern_History_Table", "in_BRANCH_COMPLETE_"+toString(i)+"_DIRECTION", _name , "in_BRANCH_COMPLETE_"+toString(i)+"_DIRECTION" ); |
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[2] | 244 | } |
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| 245 | } |
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| 246 | |
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[42] | 247 | // =====[ component_Two_Level_Branch_Predictor_Glue - Instanciation ]= |
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| 248 | #ifdef POSITION |
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| 249 | _component->interface_map (_name+"_Two_Level_Branch_Predictor_Glue","", |
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| 250 | _name ,""); |
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[2] | 251 | #endif |
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[42] | 252 | _component->port_map(_name+"_Two_Level_Branch_Predictor_Glue", "in_CLOCK" , _name,"in_CLOCK" ); |
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| 253 | _component->port_map(_name+"_Two_Level_Branch_Predictor_Glue", "in_NRESET", _name,"in_NRESET"); |
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| 254 | |
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| 255 | for (uint32_t i=0; i<_param._nb_prediction; i++) |
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| 256 | { |
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[3] | 257 | if (_param._have_bht) |
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[2] | 258 | { |
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[43] | 259 | _component->port_map(_name+"_Two_Level_Branch_Predictor_Glue", "in_PREDICT_"+toString(i)+"_BHT_ACK" , _name+"_Branch_History_Table" , "out_PREDICT_"+toString(i)+"_ACK" ); |
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| 260 | _component->port_map(_name+"_Two_Level_Branch_Predictor_Glue", "out_PREDICT_"+toString(i)+"_BHT_ADDRESS", _name+"_Branch_History_Table" , "in_PREDICT_"+toString(i)+"_ADDRESS"); |
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[42] | 261 | } |
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| 262 | if (_param._have_pht) |
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| 263 | { |
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[43] | 264 | _component->port_map(_name+"_Two_Level_Branch_Predictor_Glue", "in_PREDICT_"+toString(i)+"_PHT_ACK" , _name+"_Pattern_History_Table", "out_PREDICT_"+toString(i)+"_ACK" ); |
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| 265 | _component->port_map(_name+"_Two_Level_Branch_Predictor_Glue", "out_PREDICT_"+toString(i)+"_PHT_ADDRESS", _name+"_Pattern_History_Table", "in_PREDICT_"+toString(i)+"_ADDRESS"); |
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[42] | 266 | } |
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| 267 | if (_param._have_bht and _param._have_pht) |
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[44] | 268 | _component->port_map(_name+"_Two_Level_Branch_Predictor_Glue", "in_PREDICT_"+toString(i)+"_BHT_HISTORY" , _name+"_Branch_History_Table" ,"out_PREDICT_"+toString(i)+"_HISTORY"); |
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[42] | 269 | _component->port_map(_name+"_Two_Level_Branch_Predictor_Glue","out_PREDICT_"+toString(i)+"_ACK" , _name ,"out_PREDICT_"+toString(i)+"_ACK"); |
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| 270 | _component->port_map(_name+"_Two_Level_Branch_Predictor_Glue", "in_PREDICT_"+toString(i)+"_ADDRESS" , _name , "in_PREDICT_"+toString(i)+"_ADDRESS"); |
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| 271 | } |
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[3] | 272 | |
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| 273 | for (uint32_t i=0; i<_param._nb_branch_complete; i++) |
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| 274 | { |
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| 275 | if (_param._have_bht) |
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[2] | 276 | { |
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[43] | 277 | _component->port_map(_name+"_Two_Level_Branch_Predictor_Glue", "in_BRANCH_COMPLETE_"+toString(i)+"_BHT_ACK" , _name+"_Branch_History_Table" , "out_BRANCH_COMPLETE_"+toString(i)+"_ACK" ); |
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| 278 | _component->port_map(_name+"_Two_Level_Branch_Predictor_Glue", "out_BRANCH_COMPLETE_"+toString(i)+"_BHT_ADDRESS", _name+"_Branch_History_Table" , "in_BRANCH_COMPLETE_"+toString(i)+"_ADDRESS"); |
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[42] | 279 | } |
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| 280 | if (_param._have_pht) |
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| 281 | { |
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[43] | 282 | _component->port_map(_name+"_Two_Level_Branch_Predictor_Glue", "in_BRANCH_COMPLETE_"+toString(i)+"_PHT_ACK" , _name+"_Pattern_History_Table", "out_BRANCH_COMPLETE_"+toString(i)+"_ACK" ); |
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| 283 | _component->port_map(_name+"_Two_Level_Branch_Predictor_Glue", "out_BRANCH_COMPLETE_"+toString(i)+"_PHT_ADDRESS", _name+"_Pattern_History_Table", "in_BRANCH_COMPLETE_"+toString(i)+"_ADDRESS"); |
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[42] | 284 | } |
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| 285 | if (_param._have_bht and _param._have_pht) |
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| 286 | _component->port_map(_name+"_Two_Level_Branch_Predictor_Glue", "in_BRANCH_COMPLETE_"+toString(i)+"_BHT_HISTORY" , _name , "in_BRANCH_COMPLETE_"+toString(i)+"_BHT_HISTORY"); |
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| 287 | _component->port_map(_name+"_Two_Level_Branch_Predictor_Glue","out_BRANCH_COMPLETE_"+toString(i)+"_ACK" , _name ,"out_BRANCH_COMPLETE_"+toString(i)+"_ACK"); |
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| 288 | _component->port_map(_name+"_Two_Level_Branch_Predictor_Glue", "in_BRANCH_COMPLETE_"+toString(i)+"_ADDRESS" , _name , "in_BRANCH_COMPLETE_"+toString(i)+"_ADDRESS"); |
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[2] | 289 | } |
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[42] | 290 | #ifdef POSITION |
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| 291 | _component->generate_file(); |
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| 292 | #endif |
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| 293 | |
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[2] | 294 | log_printf(FUNC,Two_Level_Branch_Predictor,"allocation","End"); |
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| 295 | }; |
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[3] | 296 | |
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[2] | 297 | }; // end namespace two_level_branch_predictor |
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| 298 | }; // end namespace meta_predictor |
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| 299 | }; // end namespace predictor |
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| 300 | }; // end namespace stage_1_ifetch |
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| 301 | }; // end namespace behavioural |
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| 302 | }; // end namespace morpheo |
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| 303 | #endif |
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