[110] | 1 | /* |
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| 2 | * $Id: Meta_Predictor_allocation.cpp 112 2009-03-18 22:36:26Z 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/Meta_Predictor/include/Meta_Predictor.h" |
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| 9 | #include "Behavioural/include/Allocation.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 core { |
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| 14 | namespace multi_front_end { |
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| 15 | namespace front_end { |
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| 16 | namespace prediction_unit { |
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| 17 | namespace direction { |
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| 18 | namespace meta_predictor { |
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| 19 | |
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| 20 | #undef FUNCTION |
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| 21 | #define FUNCTION "Meta_Predictor::allocation" |
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| 22 | void Meta_Predictor::allocation |
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| 23 | ( |
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| 24 | #ifdef STATISTICS |
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| 25 | morpheo::behavioural::Parameters_Statistics * param_statistics |
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| 26 | #else |
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| 27 | void |
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| 28 | #endif |
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| 29 | ) |
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| 30 | { |
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| 31 | log_begin(Meta_Predictor,FUNCTION); |
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| 32 | |
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| 33 | _component = new Component (_usage); |
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| 34 | |
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| 35 | Entity * entity = _component->set_entity (_name |
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| 36 | ,"Meta_Predictor" |
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| 37 | #ifdef POSITION |
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| 38 | ,COMBINATORY |
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| 39 | #endif |
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| 40 | ); |
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| 41 | |
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| 42 | _interfaces = entity->set_interfaces(); |
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| 43 | |
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| 44 | // ~~~~~[ Interface : "" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 45 | { |
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| 46 | Interface * interface = _interfaces->set_interface("" |
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| 47 | #ifdef POSITION |
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| 48 | ,IN |
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| 49 | ,SOUTH, |
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| 50 | "Generalist interface" |
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| 51 | #endif |
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| 52 | ); |
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| 53 | |
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| 54 | in_CLOCK = interface->set_signal_clk ("clock" ,1, CLOCK_VHDL_YES); |
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| 55 | in_NRESET = interface->set_signal_in <Tcontrol_t> ("nreset",1, RESET_VHDL_YES); |
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| 56 | } |
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[111] | 57 | |
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| 58 | // ~~~~~[ Interface : "predict" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 59 | { |
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[112] | 60 | ALLOC1_INTERFACE_BEGIN("predict",IN,WEST,_("Predict direction interface"),_param->_nb_inst_predict); |
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[111] | 61 | |
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| 62 | ALLOC1_VALACK_IN ( in_PREDICT_VAL ,VAL); |
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| 63 | ALLOC1_VALACK_OUT(out_PREDICT_ACK ,ACK); |
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| 64 | ALLOC1_SIGNAL_IN ( in_PREDICT_ADDRESS ,"ADDRESS" ,Taddress_t,_param->_size_address); |
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| 65 | ALLOC1_SIGNAL_OUT(out_PREDICT_DIRECTION ,"DIRECTION" ,Tcontrol_t,1 ); |
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| 66 | ALLOC1_SIGNAL_OUT(out_PREDICT_HISTORY ,"HISTORY" ,Thistory_t,_param->_size_history); |
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[112] | 67 | |
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| 68 | ALLOC1_INTERFACE_END(_param->_nb_inst_predict); |
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[111] | 69 | } |
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| 70 | |
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| 71 | // ~~~~~[ Interface : "update" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 72 | { |
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[112] | 73 | ALLOC1_INTERFACE_BEGIN("update",IN,WEST,_("Update direction interface"),_param->_nb_inst_update); |
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[111] | 74 | |
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| 75 | ALLOC1_VALACK_IN ( in_UPDATE_VAL ,VAL); |
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| 76 | ALLOC1_VALACK_OUT(out_UPDATE_ACK ,ACK); |
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| 77 | ALLOC1_SIGNAL_IN ( in_UPDATE_ADDRESS ,"ADDRESS" ,Taddress_t,_param->_size_address); |
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| 78 | ALLOC1_SIGNAL_IN ( in_UPDATE_HISTORY ,"HISTORY" ,Thistory_t,_param->_size_history); |
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[112] | 79 | ALLOC1_SIGNAL_IN ( in_UPDATE_HISTORY_VAL ,"HISTORY_VAL" ,Tcontrol_t,1 ); |
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[111] | 80 | ALLOC1_SIGNAL_IN ( in_UPDATE_DIRECTION ,"DIRECTION" ,Tcontrol_t,1 ); |
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[112] | 81 | |
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| 82 | ALLOC1_INTERFACE_END(_param->_nb_inst_update); |
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[111] | 83 | } |
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[110] | 84 | |
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| 85 | // ~~~~~[ Component ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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[111] | 86 | |
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| 87 | std::string name; |
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| 88 | |
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[110] | 89 | |
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[111] | 90 | { |
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| 91 | _component_two_level_branch_predictor = new morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::direction::meta_predictor::two_level_branch_predictor::Two_Level_Branch_Predictor * [_param->_nb_predictor]; |
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| 92 | |
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| 93 | for (uint32_t i=0; i<_param->_nb_predictor; ++i) |
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| 94 | { |
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| 95 | name = _name+"_two_level_branch_predictor_"+toString(i); |
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| 96 | log_printf(INFO,Meta_Predictor,FUNCTION,_("Create : %s"),name.c_str()); |
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| 97 | |
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| 98 | _component_two_level_branch_predictor [i] = new morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::direction::meta_predictor::two_level_branch_predictor::Two_Level_Branch_Predictor |
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| 99 | (name.c_str() |
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| 100 | #ifdef STATISTICS |
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| 101 | ,param_statistics |
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| 102 | #endif |
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| 103 | ,_param->_param_two_level_branch_predictor[i] |
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| 104 | ,_usage); |
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| 105 | |
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| 106 | _component->set_component (_component_two_level_branch_predictor[i]->_component |
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| 107 | #ifdef POSITION |
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| 108 | , 50, 50, 10, 10 |
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| 109 | #endif |
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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 | { |
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| 115 | name = _name+"_glue"; |
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| 116 | log_printf(INFO,Meta_Predictor,FUNCTION,_("Create : %s"),name.c_str()); |
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| 117 | |
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| 118 | _component_glue = new morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::direction::meta_predictor::meta_predictor_glue::Meta_Predictor_Glue |
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| 119 | (name.c_str() |
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| 120 | #ifdef STATISTICS |
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| 121 | ,param_statistics |
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| 122 | #endif |
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| 123 | ,_param->_param_glue |
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| 124 | ,_usage); |
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| 125 | |
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| 126 | _component->set_component (_component_glue->_component |
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| 127 | #ifdef POSITION |
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| 128 | , 50, 50, 10, 10 |
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| 129 | #endif |
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| 130 | ); |
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| 131 | } |
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| 132 | |
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[110] | 133 | // ~~~~~[ Instanciation ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 134 | std::string src,dest; |
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| 135 | |
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[111] | 136 | // =================================================================== |
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| 137 | // =====[ Two_Level_Branch_Predictor ]================================ |
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| 138 | // =================================================================== |
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| 139 | |
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| 140 | for (uint32_t i=0; i<_param->_nb_predictor; ++i) |
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| 141 | { |
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| 142 | src = _name+"_two_level_branch_predictor_"+toString(i); |
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| 143 | log_printf(INFO,Prediction_unit,FUNCTION,_("Instance : %s"),src.c_str()); |
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| 144 | |
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| 145 | { |
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| 146 | dest = _name; |
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| 147 | #ifdef POSITION |
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| 148 | _component->interface_map (src ,"", |
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| 149 | dest,""); |
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| 150 | #endif |
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| 151 | |
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| 152 | PORT_MAP(_component,src , "in_CLOCK" ,dest, "in_CLOCK"); |
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| 153 | PORT_MAP(_component,src , "in_NRESET",dest, "in_NRESET"); |
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| 154 | } |
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| 155 | |
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| 156 | // ~~~~~[ Interface : "predict" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 157 | for (uint32_t j=0; j<_param->_nb_inst_predict; ++j) |
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| 158 | { |
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| 159 | dest = _name; |
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| 160 | |
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| 161 | #ifdef POSITION |
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| 162 | _component->interface_map (src ,"predict_"+toString(j), |
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| 163 | dest,"predict_"+toString(j)); |
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| 164 | #endif |
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| 165 | |
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| 166 | PORT_MAP(_component,src , "in_PREDICT_"+toString(j)+"_ADDRESS" , |
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| 167 | dest, "in_PREDICT_"+toString(j)+"_ADDRESS" ); |
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| 168 | |
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| 169 | dest = _name+"_glue"; |
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| 170 | |
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| 171 | #ifdef POSITION |
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| 172 | _component->interface_map (src ,"predict_"+toString(j), |
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| 173 | dest,"predict_predictor_"+toString(i)+"_"+toString(j)); |
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| 174 | #endif |
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| 175 | |
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| 176 | COMPONENT_MAP(_component,src , "in_PREDICT_" +toString(j)+"_VAL" , |
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| 177 | dest,"out_PREDICT_PREDICTOR_"+toString(i)+"_"+toString(j)+"_VAL" ); |
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| 178 | COMPONENT_MAP(_component,src ,"out_PREDICT_" +toString(j)+"_ACK" , |
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| 179 | dest, "in_PREDICT_PREDICTOR_"+toString(i)+"_"+toString(j)+"_ACK" ); |
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| 180 | // COMPONENT_MAP(_component,src , "in_PREDICT_" +toString(j)+"_ADDRESS" , |
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| 181 | // dest,"out_PREDICT_PREDICTOR_"+toString(i)+"_"+toString(j)+"_ADDRESS" ); |
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| 182 | COMPONENT_MAP(_component,src ,"out_PREDICT_" +toString(j)+"_DIRECTION" , |
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| 183 | dest, "in_PREDICT_PREDICTOR_"+toString(i)+"_"+toString(j)+"_DIRECTION" ); |
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| 184 | COMPONENT_MAP(_component,src ,"out_PREDICT_" +toString(j)+"_HISTORY" , |
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| 185 | dest, "in_PREDICT_PREDICTOR_"+toString(i)+"_"+toString(j)+"_HISTORY" ); |
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| 186 | if (_param->_predictor_update_on_prediction [i]) |
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| 187 | { |
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| 188 | COMPONENT_MAP(_component,src , "in_PREDICT_" +toString(j)+"_DIRECTION_VAL", |
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| 189 | dest,"out_PREDICT_PREDICTOR_"+toString(i)+"_"+toString(j)+"_DIRECTION_VAL"); |
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| 190 | COMPONENT_MAP(_component,src , "in_PREDICT_" +toString(j)+"_DIRECTION" , |
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| 191 | dest,"out_PREDICT_PREDICTOR_"+toString(i)+"_"+toString(j)+"_DIRECTION" ); |
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| 192 | } |
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| 193 | } |
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| 194 | |
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| 195 | // ~~~~~[ Interface : "update" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 196 | for (uint32_t j=0; j<_param->_nb_inst_update; ++j) |
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| 197 | { |
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| 198 | dest = _name; |
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| 199 | |
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| 200 | #ifdef POSITION |
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| 201 | _component->interface_map (src ,"update_"+toString(j), |
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| 202 | dest,"update_"+toString(j)); |
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| 203 | #endif |
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| 204 | |
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| 205 | PORT_MAP(_component,src , "in_UPDATE_"+toString(j)+"_ADDRESS" , |
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| 206 | dest, "in_UPDATE_"+toString(j)+"_ADDRESS" ); |
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| 207 | |
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| 208 | dest = _name+"_glue"; |
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| 209 | |
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| 210 | #ifdef POSITION |
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| 211 | _component->interface_map (src ,"update_"+toString(j), |
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| 212 | dest,"update_predictor_"+toString(i)+"_"+toString(j)); |
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| 213 | #endif |
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| 214 | |
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| 215 | COMPONENT_MAP(_component,src , "in_UPDATE_" +toString(j)+"_VAL" , |
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| 216 | dest,"out_UPDATE_PREDICTOR_"+toString(i)+"_"+toString(j)+"_VAL" ); |
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| 217 | COMPONENT_MAP(_component,src ,"out_UPDATE_" +toString(j)+"_ACK" , |
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| 218 | dest, "in_UPDATE_PREDICTOR_"+toString(i)+"_"+toString(j)+"_ACK" ); |
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| 219 | // COMPONENT_MAP(_component,src , "in_UPDATE_" +toString(j)+"_ADDRESS" , |
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| 220 | // dest,"out_UPDATE_PREDICTOR_"+toString(i)+"_"+toString(j)+"_ADDRESS" ); |
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| 221 | COMPONENT_MAP(_component,src , "in_UPDATE_" +toString(j)+"_DIRECTION" , |
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| 222 | dest,"out_UPDATE_PREDICTOR_"+toString(i)+"_"+toString(j)+"_DIRECTION" ); |
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| 223 | COMPONENT_MAP(_component,src , "in_UPDATE_" +toString(j)+"_HISTORY" , |
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| 224 | dest,"out_UPDATE_PREDICTOR_"+toString(i)+"_"+toString(j)+"_HISTORY" ); |
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[112] | 225 | COMPONENT_MAP(_component,src , "in_UPDATE_" +toString(j)+"_HISTORY_VAL" , |
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| 226 | dest,"out_UPDATE_PREDICTOR_"+toString(i)+"_"+toString(j)+"_HISTORY_VAL" ); |
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[111] | 227 | if (_param->_predictor_update_on_prediction [i]) |
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| 228 | COMPONENT_MAP(_component,src , "in_UPDATE_" +toString(j)+"_MISS" , |
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| 229 | dest,"out_UPDATE_PREDICTOR_"+toString(i)+"_"+toString(j)+"_MISS" ); |
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| 230 | } |
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| 231 | // // ~~~~~[ Interface : "update" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 232 | // public : SC_IN (Tcontrol_t) ** in_UPDATE_VAL ;//[nb_inst_update] |
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| 233 | // public : SC_OUT(Tcontrol_t) ** out_UPDATE_ACK ;//[nb_inst_update] |
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| 234 | // public : SC_IN (Taddress_t) ** in_UPDATE_ADDRESS ;//[nb_inst_update] |
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| 235 | // public : SC_IN (Thistory_t) ** in_UPDATE_HISTORY ;//[nb_inst_update] |
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| 236 | // public : SC_IN (Tcontrol_t) ** in_UPDATE_DIRECTION ;//[nb_inst_update] |
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| 237 | // public : SC_IN (Tcontrol_t) ** in_UPDATE_MISS ;//[nb_inst_update] // if update_on_prediction |
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| 238 | |
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| 239 | } |
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| 240 | |
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| 241 | // =================================================================== |
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| 242 | // =====[ Glue ]====================================================== |
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| 243 | // =================================================================== |
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| 244 | |
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| 245 | { |
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| 246 | src = _name+"_glue"; |
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| 247 | log_printf(INFO,Prediction_unit,FUNCTION,_("Instance : %s"),src.c_str()); |
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| 248 | |
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| 249 | { |
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| 250 | dest = _name; |
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| 251 | #ifdef POSITION |
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| 252 | _component->interface_map (src ,"", |
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| 253 | dest,""); |
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| 254 | #endif |
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| 255 | |
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| 256 | PORT_MAP(_component,src , "in_CLOCK" ,dest, "in_CLOCK"); |
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| 257 | PORT_MAP(_component,src , "in_NRESET",dest, "in_NRESET"); |
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| 258 | } |
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| 259 | |
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| 260 | // ~~~~~[ Interface : "predict" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 261 | for (uint32_t i=0; i<_param->_nb_inst_predict; ++i) |
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| 262 | { |
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| 263 | dest = _name; |
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| 264 | #ifdef POSITION |
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| 265 | _component->interface_map (src ,"predict_"+toString(i), |
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| 266 | dest,"predict_"+toString(i)); |
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| 267 | #endif |
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| 268 | |
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| 269 | PORT_MAP(_component,src , "in_PREDICT_"+toString(i)+"_VAL" , |
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| 270 | dest, "in_PREDICT_"+toString(i)+"_VAL" ); |
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| 271 | PORT_MAP(_component,src ,"out_PREDICT_"+toString(i)+"_ACK" , |
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| 272 | dest,"out_PREDICT_"+toString(i)+"_ACK" ); |
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| 273 | PORT_MAP(_component,src ,"out_PREDICT_"+toString(i)+"_HISTORY" , |
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| 274 | dest,"out_PREDICT_"+toString(i)+"_HISTORY" ); |
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| 275 | PORT_MAP(_component,src ,"out_PREDICT_"+toString(i)+"_DIRECTION", |
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| 276 | dest,"out_PREDICT_"+toString(i)+"_DIRECTION"); |
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| 277 | } |
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| 278 | |
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| 279 | // out_PREDICT_PREDICTOR_VAL -> two_level_branch_predictor. in_PREDICT_PREDICTOR_VAL |
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| 280 | // in_PREDICT_PREDICTOR_ACK -> two_level_branch_predictor.out_PREDICT_PREDICTOR_ACK |
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| 281 | // in_PREDICT_PREDICTOR_HISTORY -> two_level_branch_predictor.out_PREDICT_PREDICTOR_HISTORY |
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| 282 | // in_PREDICT_PREDICTOR_DIRECTION -> two_level_branch_predictor.out_PREDICT_PREDICTOR_DIRECTION |
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| 283 | // out_PREDICT_PREDICTOR_DIRECTION_VAL -> two_level_branch_predictor. in_PREDICT_PREDICTOR_DIRECTION_VAL |
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| 284 | // out_PREDICT_PREDICTOR_DIRECTION -> two_level_branch_predictor. in_PREDICT_PREDICTOR_DIRECTION |
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| 285 | |
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| 286 | // ~~~~~[ Interface : "update" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 287 | for (uint32_t i=0; i<_param->_nb_inst_update; ++i) |
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| 288 | { |
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| 289 | dest = _name; |
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| 290 | #ifdef POSITION |
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| 291 | _component->interface_map (src ,"update_"+toString(i), |
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| 292 | dest,"update_"+toString(i)); |
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| 293 | #endif |
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| 294 | |
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[112] | 295 | PORT_MAP(_component,src , "in_UPDATE_"+toString(i)+"_VAL" , |
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| 296 | dest, "in_UPDATE_"+toString(i)+"_VAL" ); |
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| 297 | PORT_MAP(_component,src ,"out_UPDATE_"+toString(i)+"_ACK" , |
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| 298 | dest,"out_UPDATE_"+toString(i)+"_ACK" ); |
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| 299 | PORT_MAP(_component,src , "in_UPDATE_"+toString(i)+"_HISTORY" , |
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| 300 | dest, "in_UPDATE_"+toString(i)+"_HISTORY" ); |
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| 301 | PORT_MAP(_component,src , "in_UPDATE_"+toString(i)+"_HISTORY_VAL", |
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| 302 | dest, "in_UPDATE_"+toString(i)+"_HISTORY_VAL"); |
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| 303 | PORT_MAP(_component,src , "in_UPDATE_"+toString(i)+"_DIRECTION" , |
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| 304 | dest, "in_UPDATE_"+toString(i)+"_DIRECTION" ); |
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[111] | 305 | } |
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| 306 | |
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[112] | 307 | // out_UPDATE_PREDICTOR_VAL -> two_level_branch_predictor. in_UPDATE_PREDICTOR_VAL |
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| 308 | // in_UPDATE_PREDICTOR_ACK -> two_level_branch_predictor.out_UPDATE_PREDICTOR_ACK |
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| 309 | // out_UPDATE_PREDICTOR_HISTORY -> two_level_branch_predictor. in_UPDATE_PREDICTOR_HISTORY |
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| 310 | // out_UPDATE_PREDICTOR_HISTORY_VAL-> two_level_branch_predictor. in_UPDATE_PREDICTOR_HISTORY |
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| 311 | // out_UPDATE_PREDICTOR_DIRECTION -> two_level_branch_predictor. in_UPDATE_PREDICTOR_DIRECTION |
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| 312 | // out_UPDATE_PREDICTOR_MISS -> two_level_branch_predictor. in_UPDATE_PREDICTOR_MISS |
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[111] | 313 | |
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| 314 | } |
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| 315 | |
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[110] | 316 | // ~~~~~[ Others ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 317 | if (DEBUG_Meta_Predictor == true) |
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| 318 | _component->test_map(); |
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| 319 | |
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| 320 | #ifdef POSITION |
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| 321 | if (usage_is_set(_usage,USE_POSITION)) |
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| 322 | _component->generate_file(); |
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| 323 | #endif |
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| 324 | |
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| 325 | log_end(Meta_Predictor,FUNCTION); |
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| 326 | }; |
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| 327 | |
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| 328 | }; // end namespace meta_predictor |
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| 329 | }; // end namespace direction |
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| 330 | }; // end namespace prediction_unit |
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| 331 | }; // end namespace front_end |
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| 332 | }; // end namespace multi_front_end |
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| 333 | }; // end namespace core |
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| 334 | |
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| 335 | }; // end namespace behavioural |
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| 336 | }; // end namespace morpheo |
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