[78] | 1 | /* |
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| 2 | * $Id: Update_Prediction_Table_allocation.cpp 82 2008-05-01 16:48:45Z 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/Update_Prediction_Table/include/Update_Prediction_Table.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 update_prediction_table { |
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| 18 | |
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| 19 | |
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| 20 | |
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| 21 | #undef FUNCTION |
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| 22 | #define FUNCTION "Update_Prediction_Table::allocation" |
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| 23 | void Update_Prediction_Table::allocation ( |
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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_printf(FUNC,Update_Prediction_Table,FUNCTION,"Begin"); |
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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 | ,"Update_Prediction_Table" |
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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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[81] | 57 | |
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| 58 | // ~~~~~[ Interface : "predict" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 59 | { |
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| 60 | ALLOC1_INTERFACE("predict", IN,SOUTH, "predict", _param->_nb_inst_predict); |
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| 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_CONTEXT_ID ,"context_id" ,Tcontext_t ,_param->_size_context_id); |
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| 65 | ALLOC1_SIGNAL_IN ( in_PREDICT_BTB_ADDRESS_SRC ,"btb_address_src" ,Taddress_t ,_param->_size_address); |
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| 66 | ALLOC1_SIGNAL_IN ( in_PREDICT_BTB_ADDRESS_DEST ,"btb_address_dest" ,Taddress_t ,_param->_size_address); |
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| 67 | ALLOC1_SIGNAL_IN ( in_PREDICT_BTB_CONDITION ,"btb_condition" ,Tbranch_condition_t,_param->_size_branch_condition); |
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| 68 | ALLOC1_SIGNAL_IN ( in_PREDICT_BTB_LAST_TAKE ,"btb_last_take" ,Tcontrol_t ,1); |
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| 69 | ALLOC1_SIGNAL_IN ( in_PREDICT_BTB_IS_ACCURATE ,"btb_is_accurate" ,Tcontrol_t ,1); |
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| 70 | ALLOC1_SIGNAL_IN ( in_PREDICT_DIR_HISTORY ,"dir_history" ,Thistory_t ,_param->_size_history); |
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| 71 | ALLOC1_SIGNAL_IN ( in_PREDICT_RAS_ADDRESS ,"ras_address" ,Taddress_t ,_param->_size_address); |
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| 72 | ALLOC1_SIGNAL_IN ( in_PREDICT_RAS_INDEX ,"ras_index" ,Tptr_t ,_param->_max_size_ras_index); |
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| 73 | // ALLOC1_SIGNAL_OUT(out_PREDICT_UPDATE_PREDICTION_ID,"update_prediction_id",Tprediction_ptr_t ,_param->_size_depth); |
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| 74 | } |
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| 75 | |
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| 76 | // ~~~~~[ Interface : "decod" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 77 | { |
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[82] | 78 | ALLOC1_INTERFACE("decod", IN,SOUTH, "decod", _param->_nb_inst_predict); |
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[81] | 79 | |
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| 80 | ALLOC1_VALACK_IN ( in_DECOD_VAL ,VAL); |
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| 81 | ALLOC1_VALACK_OUT(out_DECOD_ACK ,ACK); |
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| 82 | ALLOC1_SIGNAL_IN ( in_DECOD_CONTEXT_ID ,"context_id" ,Tcontext_t ,_param->_size_context_id); |
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| 83 | ALLOC1_SIGNAL_IN ( in_DECOD_BTB_ADDRESS_SRC ,"btb_address_src" ,Taddress_t ,_param->_size_address); |
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| 84 | ALLOC1_SIGNAL_IN ( in_DECOD_BTB_ADDRESS_DEST ,"btb_address_dest" ,Taddress_t ,_param->_size_address); |
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| 85 | ALLOC1_SIGNAL_IN ( in_DECOD_BTB_CONDITION ,"btb_condition" ,Tbranch_condition_t,_param->_size_branch_condition); |
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| 86 | ALLOC1_SIGNAL_IN ( in_DECOD_BTB_LAST_TAKE ,"btb_last_take" ,Tcontrol_t ,1); |
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| 87 | ALLOC1_SIGNAL_IN ( in_DECOD_RAS_ADDRESS ,"ras_address" ,Taddress_t ,_param->_size_address); |
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| 88 | ALLOC1_SIGNAL_IN ( in_DECOD_RAS_INDEX ,"ras_index" ,Tptr_t ,_param->_max_size_ras_index); |
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[82] | 89 | ALLOC1_SIGNAL_IN ( in_DECOD_MISS_IFETCH ,"miss_ifetch" ,Tcontrol_t ,1); |
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| 90 | ALLOC1_SIGNAL_IN ( in_DECOD_MISS_DECOD ,"miss_decod" ,Tcontrol_t ,1); |
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| 91 | ALLOC1_SIGNAL_IN ( in_DECOD_UPDATE_PREDICTION_ID,"update_prediction_id",Tprediction_ptr_t ,_param->_max_size_depth); |
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[81] | 92 | // ALLOC1_SIGNAL_OUT(out_DECOD_DEPTH ,"depth" ,Tdepth_t ,_param->_size_depth); |
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| 93 | } |
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| 94 | |
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| 95 | // ~~~~~[ Interface : "branch_complete" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 96 | { |
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| 97 | ALLOC1_INTERFACE("branch_complete", IN,SOUTH, "branch_complete", _param->_nb_inst_branch_complete); |
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| 98 | |
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| 99 | ALLOC1_VALACK_IN ( in_BRANCH_COMPLETE_VAL ,VAL); |
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| 100 | ALLOC1_VALACK_OUT(out_BRANCH_COMPLETE_ACK ,ACK); |
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| 101 | ALLOC1_SIGNAL_IN ( in_BRANCH_COMPLETE_CONTEXT_ID ,"context_id" ,Tcontext_t,_param->_size_context_id); |
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[82] | 102 | ALLOC1_SIGNAL_IN ( in_BRANCH_COMPLETE_DEPTH ,"depth" ,Tdepth_t ,_param->_max_size_depth); |
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[81] | 103 | ALLOC1_SIGNAL_IN ( in_BRANCH_COMPLETE_ADDRESS ,"address" ,Taddress_t,_param->_size_address); |
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| 104 | ALLOC1_SIGNAL_IN ( in_BRANCH_COMPLETE_FLAG ,"flag" ,Tcontrol_t,1); |
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| 105 | ALLOC1_SIGNAL_OUT(out_BRANCH_COMPLETE_MISS_PREDICTION,"miss_prediction",Tcontrol_t,1); |
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| 106 | ALLOC1_SIGNAL_OUT(out_BRANCH_COMPLETE_TAKE ,"take" ,Tcontrol_t,1); |
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| 107 | ALLOC1_SIGNAL_OUT(out_BRANCH_COMPLETE_ADDRESS_SRC ,"address_src" ,Taddress_t,_param->_size_address); |
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| 108 | ALLOC1_SIGNAL_OUT(out_BRANCH_COMPLETE_ADDRESS_DEST ,"address_dest" ,Taddress_t,_param->_size_address); |
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| 109 | } |
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| 110 | |
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[82] | 111 | // ~~~~~[ Interface : "branch_event" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 112 | { |
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| 113 | ALLOC1_INTERFACE("branch_event", IN,SOUTH, "branch_event", _param->_nb_context); |
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| 114 | |
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| 115 | ALLOC1_VALACK_OUT(out_BRANCH_EVENT_VAL ,VAL); |
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| 116 | ALLOC1_VALACK_IN ( in_BRANCH_EVENT_ACK ,ACK); |
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| 117 | // ALLOC1_SIGNAL_OUT(out_BRANCH_EVENT_CONTEXT_ID ,"context_id" ,Tcontext_t,_param->_size_context_id); |
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| 118 | // ALLOC1_SIGNAL_OUT(out_BRANCH_EVENT_DEPTH ,"depth" ,Tdepth_t ,_param->_max_size_depth); |
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| 119 | // ALLOC1_SIGNAL_OUT(out_BRANCH_EVENT_MISS_PREDICTION,"miss_prediction",Tcontrol_t,1); |
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| 120 | ALLOC1_SIGNAL_OUT(out_BRANCH_EVENT_ADDRESS_SRC ,"address_src" ,Taddress_t,_param->_size_address); |
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| 121 | ALLOC1_SIGNAL_OUT(out_BRANCH_EVENT_ADDRESS_DEST ,"address_dest" ,Taddress_t,_param->_size_address); |
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| 122 | } |
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| 123 | |
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[81] | 124 | // ~~~~~[ Interface : "update" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 125 | { |
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| 126 | ALLOC1_INTERFACE("update",OUT,SOUTH, "update", _param->_nb_inst_update); |
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| 127 | |
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| 128 | ALLOC1_VALACK_OUT(out_UPDATE_VAL ,VAL); |
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| 129 | ALLOC1_VALACK_IN ( in_UPDATE_ACK ,ACK); |
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| 130 | ALLOC1_SIGNAL_OUT(out_UPDATE_CONTEXT_ID ,"context_id" ,Tcontext_t ,_param->_size_context_id); |
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| 131 | ALLOC1_SIGNAL_OUT(out_UPDATE_MISS_PREDICTION ,"miss_prediction" ,Tcontrol_t ,1); |
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| 132 | ALLOC1_SIGNAL_OUT(out_UPDATE_DIRECTION_GOOD ,"direction_good" ,Tcontrol_t ,1); |
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| 133 | ALLOC1_SIGNAL_OUT(out_UPDATE_BTB_VAL ,"btb_val" ,Tcontrol_t ,1); |
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| 134 | ALLOC1_SIGNAL_OUT(out_UPDATE_BTB_ADDRESS_SRC ,"btb_address_src" ,Taddress_t ,_param->_size_address); |
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| 135 | ALLOC1_SIGNAL_OUT(out_UPDATE_BTB_ADDRESS_DEST ,"btb_address_dest" ,Taddress_t ,_param->_size_address); |
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| 136 | ALLOC1_SIGNAL_OUT(out_UPDATE_BTB_CONDITION ,"btb_condition" ,Tbranch_condition_t,_param->_size_branch_condition); |
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| 137 | ALLOC1_SIGNAL_OUT(out_UPDATE_DIR_VAL ,"dir_val" ,Tcontrol_t ,1); |
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| 138 | ALLOC1_SIGNAL_OUT(out_UPDATE_DIR_HISTORY ,"dir_history" ,Thistory_t ,_param->_size_history); |
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| 139 | ALLOC1_SIGNAL_OUT(out_UPDATE_RAS_VAL ,"ras_val" ,Tcontrol_t ,1); |
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[82] | 140 | ALLOC1_SIGNAL_OUT(out_UPDATE_RAS_PUSH ,"ras_push" ,Tcontrol_t ,1); |
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[81] | 141 | ALLOC1_SIGNAL_OUT(out_UPDATE_RAS_ADDRESS ,"ras_address" ,Taddress_t ,_param->_size_address); |
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| 142 | ALLOC1_SIGNAL_OUT(out_UPDATE_RAS_INDEX ,"ras_index" ,Tptr_t ,_param->_max_size_ras_index); |
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| 143 | ALLOC1_SIGNAL_OUT(out_UPDATE_RAS_PREDICTION_IFETCH,"ras_prediction_ifetch",Tcontrol_t ,1); |
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| 144 | } |
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| 145 | |
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| 146 | // ~~~~~[ Interface : "depth" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 147 | { |
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| 148 | ALLOC1_INTERFACE("depth",OUT,SOUTH, "depth", _param->_nb_context); |
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| 149 | |
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[82] | 150 | ALLOC1_SIGNAL_OUT(out_DEPTH_TAIL ,"TAIL" ,Tdepth_t,_param->_size_depth[alloc_signal_it1]); |
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| 151 | ALLOC1_SIGNAL_OUT(out_DEPTH_NB_BRANCH,"NB_BRANCH",Tdepth_t,_param->_size_depth[alloc_signal_it1]+1); |
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[81] | 152 | } |
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| 153 | |
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| 154 | // ~~~~~[ Internal ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 155 | internal_PREDICT_ACK = new Tcontrol_t [_param->_nb_inst_predict]; |
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| 156 | internal_DECOD_ACK = new Tcontrol_t [_param->_nb_inst_decod]; |
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| 157 | internal_BRANCH_COMPLETE_ACK = new Tcontrol_t [_param->_nb_inst_branch_complete]; |
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| 158 | internal_BRANCH_COMPLETE_MISS_PREDICTION = new Tcontrol_t [_param->_nb_inst_branch_complete]; |
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| 159 | internal_BRANCH_COMPLETE_TAKE = new Tcontrol_t [_param->_nb_inst_branch_complete]; |
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| 160 | internal_BRANCH_COMPLETE_ADDRESS_DEST = new Taddress_t [_param->_nb_inst_branch_complete]; |
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[82] | 161 | internal_BRANCH_EVENT_VAL = new Tcontrol_t [_param->_nb_context]; |
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| 162 | internal_BRANCH_EVENT_DEPTH = new Tdepth_t [_param->_nb_context]; |
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[81] | 163 | internal_UPDATE_VAL = new Tcontrol_t [_param->_nb_inst_update]; |
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| 164 | internal_UPDATE_CONTEXT_ID = new Tcontext_t [_param->_nb_inst_update]; |
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| 165 | internal_UPDATE_DEPTH = new Tdepth_t [_param->_nb_inst_update]; |
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| 166 | |
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| 167 | // ~~~~~[ Register ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 168 | reg_TOP = new uint32_t [_param->_nb_context]; |
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| 169 | reg_BOTTOM = new uint32_t [_param->_nb_context]; |
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| 170 | reg_NB_ELT = new uint32_t [_param->_nb_context]; |
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[82] | 171 | reg_NB_ELT_UPDATE = new uint32_t [_param->_nb_context]; |
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[81] | 172 | reg_NB_ELT_NEED_UPDATE = new uint32_t [_param->_nb_context]; |
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| 173 | reg_UPDATE_PREDICTION_TABLE = new entry_t * [_param->_nb_context]; |
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| 174 | for (uint32_t i=0; i<_param->_nb_context; i++) |
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| 175 | { |
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| 176 | #ifndef NO_INIT |
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| 177 | reg_TOP [i] = 0; |
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| 178 | #endif |
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| 179 | reg_UPDATE_PREDICTION_TABLE [i] = new entry_t [_param->_size_queue[i]]; |
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| 180 | } |
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[78] | 181 | // ~~~~~[ Component ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 182 | |
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| 183 | #ifdef POSITION |
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| 184 | _component->generate_file(); |
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| 185 | #endif |
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| 186 | |
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| 187 | log_printf(FUNC,Update_Prediction_Table,FUNCTION,"End"); |
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| 188 | }; |
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| 189 | |
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| 190 | }; // end namespace update_prediction_table |
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| 191 | }; // end namespace prediction_unit |
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| 192 | }; // end namespace front_end |
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| 193 | }; // end namespace multi_front_end |
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| 194 | }; // end namespace core |
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| 195 | |
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| 196 | }; // end namespace behavioural |
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| 197 | }; // end namespace morpheo |
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