#ifdef SYSTEMC /* * $Id$ * * [ Description ] * */ #include "Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Update_Prediction_Table/include/Update_Prediction_Table.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::genMealy_predict" void Update_Prediction_Table::genMealy_predict (void) { log_printf(FUNC,Update_Prediction_Table,FUNCTION,"Begin"); for (uint32_t i=0; i<_param->_nb_inst_predict; i++) { Tcontext_t context = (_param->_have_port_context_id)?PORT_READ(in_PREDICT_CONTEXT_ID [i]):0; uint32_t top = reg_TOP[context]; // log_printf(TRACE,Update_Prediction_Table,FUNCTION,"PREDICT [%d] (genMealy)",i); // log_printf(TRACE,Update_Prediction_Table,FUNCTION," * context : %d",context); // log_printf(TRACE,Update_Prediction_Table,FUNCTION," * top : %d",top); // log_printf(TRACE,Update_Prediction_Table,FUNCTION," * state : %s",toString(reg_UPDATE_PREDICTION_TABLE [context][top]._state).c_str()); // log_printf(TRACE,Update_Prediction_Table,FUNCTION," * is accurate : %d",PORT_READ(in_PREDICT_BTB_IS_ACCURATE [i])); // log_printf(TRACE,Update_Prediction_Table,FUNCTION," * need update : %d",reg_NB_ELT_NEED_UPDATE [context]); // Not Full, accurate and no previous miss // Optimisation to restart faster : // don't counter nb_elt_ko, but just nb_elt that need a update (change branch structure) internal_PREDICT_ACK [i] = ((reg_UPDATE_PREDICTION_TABLE [context][top]._state == UPDATE_PREDICTION_STATE_EMPTY) and PORT_READ(in_PREDICT_BTB_IS_ACCURATE [i]) and (reg_NB_ELT_NEED_UPDATE [context] == 0)); // log_printf(TRACE,Update_Prediction_Table,FUNCTION," * ACK : %d",internal_PREDICT_ACK [i]); PORT_WRITE(out_PREDICT_ACK [i], internal_PREDICT_ACK [i]); } 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 #endif