/* * $Id: Update_Prediction_Table_allocation.cpp 81 2008-04-15 18:40:01Z rosiere $ * * [ Description ] * */ #include "Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Update_Prediction_Table/include/Update_Prediction_Table.h" #include "Behavioural/include/Allocation.h" namespace morpheo { namespace behavioural { namespace core { namespace multi_front_end { namespace front_end { namespace prediction_unit { namespace update_prediction_table { #undef FUNCTION #define FUNCTION "Update_Prediction_Table::allocation" void Update_Prediction_Table::allocation ( #ifdef STATISTICS morpheo::behavioural::Parameters_Statistics * param_statistics #else void #endif ) { log_printf(FUNC,Update_Prediction_Table,FUNCTION,"Begin"); _component = new Component (_usage); Entity * entity = _component->set_entity (_name ,"Update_Prediction_Table" #ifdef POSITION ,COMBINATORY #endif ); _interfaces = entity->set_interfaces(); // ~~~~~[ Interface : "" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ { Interface * interface = _interfaces->set_interface("" #ifdef POSITION ,IN ,SOUTH, "Generalist interface" #endif ); in_CLOCK = interface->set_signal_clk ("clock" ,1, CLOCK_VHDL_YES); in_NRESET = interface->set_signal_in ("nreset",1, RESET_VHDL_YES); } // ~~~~~[ Interface : "predict" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ { ALLOC1_INTERFACE("predict", IN,SOUTH, "predict", _param->_nb_inst_predict); ALLOC1_VALACK_IN ( in_PREDICT_VAL ,VAL); ALLOC1_VALACK_OUT(out_PREDICT_ACK ,ACK); ALLOC1_SIGNAL_IN ( in_PREDICT_CONTEXT_ID ,"context_id" ,Tcontext_t ,_param->_size_context_id); ALLOC1_SIGNAL_IN ( in_PREDICT_BTB_ADDRESS_SRC ,"btb_address_src" ,Taddress_t ,_param->_size_address); ALLOC1_SIGNAL_IN ( in_PREDICT_BTB_ADDRESS_DEST ,"btb_address_dest" ,Taddress_t ,_param->_size_address); ALLOC1_SIGNAL_IN ( in_PREDICT_BTB_CONDITION ,"btb_condition" ,Tbranch_condition_t,_param->_size_branch_condition); ALLOC1_SIGNAL_IN ( in_PREDICT_BTB_LAST_TAKE ,"btb_last_take" ,Tcontrol_t ,1); ALLOC1_SIGNAL_IN ( in_PREDICT_BTB_IS_ACCURATE ,"btb_is_accurate" ,Tcontrol_t ,1); ALLOC1_SIGNAL_IN ( in_PREDICT_DIR_HISTORY ,"dir_history" ,Thistory_t ,_param->_size_history); ALLOC1_SIGNAL_IN ( in_PREDICT_RAS_ADDRESS ,"ras_address" ,Taddress_t ,_param->_size_address); ALLOC1_SIGNAL_IN ( in_PREDICT_RAS_INDEX ,"ras_index" ,Tptr_t ,_param->_max_size_ras_index); // ALLOC1_SIGNAL_OUT(out_PREDICT_UPDATE_PREDICTION_ID,"update_prediction_id",Tprediction_ptr_t ,_param->_size_depth); } // ~~~~~[ Interface : "decod" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ { ALLOC1_INTERFACE("predict", IN,SOUTH, "predict", _param->_nb_inst_predict); ALLOC1_VALACK_IN ( in_DECOD_VAL ,VAL); ALLOC1_VALACK_OUT(out_DECOD_ACK ,ACK); ALLOC1_SIGNAL_IN ( in_DECOD_CONTEXT_ID ,"context_id" ,Tcontext_t ,_param->_size_context_id); ALLOC1_SIGNAL_IN ( in_DECOD_BTB_ADDRESS_SRC ,"btb_address_src" ,Taddress_t ,_param->_size_address); ALLOC1_SIGNAL_IN ( in_DECOD_BTB_ADDRESS_DEST ,"btb_address_dest" ,Taddress_t ,_param->_size_address); ALLOC1_SIGNAL_IN ( in_DECOD_BTB_CONDITION ,"btb_condition" ,Tbranch_condition_t,_param->_size_branch_condition); ALLOC1_SIGNAL_IN ( in_DECOD_BTB_LAST_TAKE ,"btb_last_take" ,Tcontrol_t ,1); ALLOC1_SIGNAL_IN ( in_DECOD_RAS_ADDRESS ,"ras_address" ,Taddress_t ,_param->_size_address); ALLOC1_SIGNAL_IN ( in_DECOD_RAS_INDEX ,"ras_index" ,Tptr_t ,_param->_max_size_ras_index); ALLOC1_SIGNAL_IN ( in_DECOD_MISS_PREDICTION ,"miss_prediction" ,Tcontrol_t ,1); ALLOC1_SIGNAL_IN ( in_DECOD_UPDATE_PREDICTION_ID,"update_prediction_id",Tprediction_ptr_t ,_param->_size_depth); // ALLOC1_SIGNAL_OUT(out_DECOD_DEPTH ,"depth" ,Tdepth_t ,_param->_size_depth); } // ~~~~~[ Interface : "branch_complete" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ { ALLOC1_INTERFACE("branch_complete", IN,SOUTH, "branch_complete", _param->_nb_inst_branch_complete); ALLOC1_VALACK_IN ( in_BRANCH_COMPLETE_VAL ,VAL); ALLOC1_VALACK_OUT(out_BRANCH_COMPLETE_ACK ,ACK); ALLOC1_SIGNAL_IN ( in_BRANCH_COMPLETE_CONTEXT_ID ,"context_id" ,Tcontext_t,_param->_size_context_id); ALLOC1_SIGNAL_IN ( in_BRANCH_COMPLETE_DEPTH ,"depth" ,Tdepth_t ,_param->_size_depth); ALLOC1_SIGNAL_IN ( in_BRANCH_COMPLETE_ADDRESS ,"address" ,Taddress_t,_param->_size_address); ALLOC1_SIGNAL_IN ( in_BRANCH_COMPLETE_FLAG ,"flag" ,Tcontrol_t,1); ALLOC1_SIGNAL_OUT(out_BRANCH_COMPLETE_MISS_PREDICTION,"miss_prediction",Tcontrol_t,1); ALLOC1_SIGNAL_OUT(out_BRANCH_COMPLETE_TAKE ,"take" ,Tcontrol_t,1); ALLOC1_SIGNAL_OUT(out_BRANCH_COMPLETE_ADDRESS_SRC ,"address_src" ,Taddress_t,_param->_size_address); ALLOC1_SIGNAL_OUT(out_BRANCH_COMPLETE_ADDRESS_DEST ,"address_dest" ,Taddress_t,_param->_size_address); } // ~~~~~[ Interface : "update" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ { ALLOC1_INTERFACE("update",OUT,SOUTH, "update", _param->_nb_inst_update); ALLOC1_VALACK_OUT(out_UPDATE_VAL ,VAL); ALLOC1_VALACK_IN ( in_UPDATE_ACK ,ACK); ALLOC1_SIGNAL_OUT(out_UPDATE_CONTEXT_ID ,"context_id" ,Tcontext_t ,_param->_size_context_id); ALLOC1_SIGNAL_OUT(out_UPDATE_MISS_PREDICTION ,"miss_prediction" ,Tcontrol_t ,1); ALLOC1_SIGNAL_OUT(out_UPDATE_DIRECTION_GOOD ,"direction_good" ,Tcontrol_t ,1); ALLOC1_SIGNAL_OUT(out_UPDATE_BTB_VAL ,"btb_val" ,Tcontrol_t ,1); ALLOC1_SIGNAL_OUT(out_UPDATE_BTB_ADDRESS_SRC ,"btb_address_src" ,Taddress_t ,_param->_size_address); ALLOC1_SIGNAL_OUT(out_UPDATE_BTB_ADDRESS_DEST ,"btb_address_dest" ,Taddress_t ,_param->_size_address); ALLOC1_SIGNAL_OUT(out_UPDATE_BTB_CONDITION ,"btb_condition" ,Tbranch_condition_t,_param->_size_branch_condition); ALLOC1_SIGNAL_OUT(out_UPDATE_DIR_VAL ,"dir_val" ,Tcontrol_t ,1); ALLOC1_SIGNAL_OUT(out_UPDATE_DIR_HISTORY ,"dir_history" ,Thistory_t ,_param->_size_history); ALLOC1_SIGNAL_OUT(out_UPDATE_RAS_VAL ,"ras_val" ,Tcontrol_t ,1); ALLOC1_SIGNAL_OUT(out_UPDATE_RAS_ADDRESS ,"ras_address" ,Taddress_t ,_param->_size_address); ALLOC1_SIGNAL_OUT(out_UPDATE_RAS_INDEX ,"ras_index" ,Tptr_t ,_param->_max_size_ras_index); ALLOC1_SIGNAL_OUT(out_UPDATE_RAS_PREDICTION_IFETCH,"ras_prediction_ifetch",Tcontrol_t ,1); } // ~~~~~[ Interface : "depth" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ { ALLOC1_INTERFACE("depth",OUT,SOUTH, "depth", _param->_nb_context); ALLOC1_SIGNAL_OUT(out_DEPTH_NB_BRANCH,"NB_BRANCH",Tdepth_t,_param->_size_depth); ALLOC1_SIGNAL_OUT(out_DEPTH_TAIL,"TAIL",Tdepth_t,_param->_size_depth); } // ~~~~~[ Internal ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ internal_PREDICT_ACK = new Tcontrol_t [_param->_nb_inst_predict]; internal_DECOD_ACK = new Tcontrol_t [_param->_nb_inst_decod]; internal_BRANCH_COMPLETE_ACK = new Tcontrol_t [_param->_nb_inst_branch_complete]; internal_BRANCH_COMPLETE_MISS_PREDICTION = new Tcontrol_t [_param->_nb_inst_branch_complete]; internal_BRANCH_COMPLETE_TAKE = new Tcontrol_t [_param->_nb_inst_branch_complete]; internal_BRANCH_COMPLETE_ADDRESS_DEST = new Taddress_t [_param->_nb_inst_branch_complete]; internal_UPDATE_VAL = new Tcontrol_t [_param->_nb_inst_update]; internal_UPDATE_CONTEXT_ID = new Tcontext_t [_param->_nb_inst_update]; internal_UPDATE_DEPTH = new Tdepth_t [_param->_nb_inst_update]; // ~~~~~[ Register ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ reg_TOP = new uint32_t [_param->_nb_context]; reg_BOTTOM = new uint32_t [_param->_nb_context]; reg_NB_ELT = new uint32_t [_param->_nb_context]; reg_NB_ELT_NEED_UPDATE = new uint32_t [_param->_nb_context]; reg_UPDATE_PREDICTION_TABLE = new entry_t * [_param->_nb_context]; for (uint32_t i=0; i<_param->_nb_context; i++) { #ifndef NO_INIT reg_TOP [i] = 0; #endif reg_UPDATE_PREDICTION_TABLE [i] = new entry_t [_param->_size_queue[i]]; } // ~~~~~[ Component ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ #ifdef POSITION _component->generate_file(); #endif log_printf(FUNC,Update_Prediction_Table,FUNCTION,"End"); }; }; // end namespace update_prediction_table }; // end namespace prediction_unit }; // end namespace front_end }; // end namespace multi_front_end }; // end namespace core }; // end namespace behavioural }; // end namespace morpheo