#ifndef morpheo_behavioural_core_multi_front_end_front_end_prediction_unit_Prediction_unit_h #define morpheo_behavioural_core_multi_front_end_front_end_prediction_unit_Prediction_unit_h /* * $Id: Prediction_unit.h 88 2008-12-10 18:31:39Z rosiere $ * * [ Description ] * */ #ifdef SYSTEMC #include "systemc.h" #endif #include #include "Common/include/ToString.h" #include "Common/include/Debug.h" #include "Behavioural/include/Types.h" #include "Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/include/Parameters.h" #ifdef STATISTICS #include "Behavioural/include/Stat.h" #endif #include "Behavioural/include/Component.h" #ifdef VHDL #include "Behavioural/include/Vhdl.h" #endif #include "Behavioural/include/Usage.h" #include "Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Branch_Target_Buffer/include/Branch_Target_Buffer.h" #include "Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Direction/include/Direction.h" #include "Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Return_Address_Stack/include/Return_Address_Stack.h" #include "Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Update_Prediction_Table/include/Update_Prediction_Table.h" #include "Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Prediction_unit_Glue/include/Prediction_unit_Glue.h" namespace morpheo { namespace behavioural { namespace core { namespace multi_front_end { namespace front_end { namespace prediction_unit { class Prediction_unit #if SYSTEMC : public sc_module #endif { // -----[ fields ]---------------------------------------------------- // Parameters protected : const std::string _name; protected : const Parameters * _param; private : const Tusage_t _usage; #ifdef STATISTICS public : Stat * _stat; #endif public : Component * _component; private : Interfaces * _interfaces; #ifdef SYSTEMC // ~~~~~[ Interface ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // ~~~~~[ Interface : "" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ public : SC_CLOCK * in_CLOCK ; public : SC_IN (Tcontrol_t) * in_NRESET ; // ~~~~~[ Interface : "predict" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ public : SC_IN (Tcontrol_t ) ** in_PREDICT_VAL ; //[nb_context] public : SC_OUT(Tcontrol_t ) ** out_PREDICT_ACK ; //[nb_context] public : SC_IN (Taddress_t ) ** in_PREDICT_PC_PREVIOUS ; //[nb_context] public : SC_IN (Taddress_t ) ** in_PREDICT_PC_CURRENT ; //[nb_context] public : SC_IN (Tcontrol_t ) ** in_PREDICT_PC_CURRENT_IS_DS_TAKE ; //[nb_context] public : SC_OUT(Taddress_t ) ** out_PREDICT_PC_NEXT ; //[nb_context] public : SC_OUT(Tcontrol_t ) ** out_PREDICT_PC_NEXT_IS_DS_TAKE ; //[nb_context] public : SC_OUT(Tcontrol_t ) *** out_PREDICT_INSTRUCTION_ENABLE ; //[nb_context][nb_instruction] public : SC_OUT(Tinst_ifetch_ptr_t ) ** out_PREDICT_INST_IFETCH_PTR ; //[nb_context] public : SC_OUT(Tbranch_state_t ) ** out_PREDICT_BRANCH_STATE ; //[nb_context] public : SC_OUT(Tprediction_ptr_t ) ** out_PREDICT_BRANCH_UPDATE_PREDICTION_ID ; //[nb_context] // ~~~~~[ Interface : "decod" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ public : SC_IN (Tcontrol_t ) *** in_DECOD_VAL ; //[nb_decod_unit][nb_inst_decod] public : SC_OUT(Tcontrol_t ) *** out_DECOD_ACK ; //[nb_decod_unit][nb_inst_decod] public : SC_IN (Tcontext_t ) *** in_DECOD_CONTEXT_ID ; //[nb_decod_unit][nb_inst_decod] public : SC_IN (Tcontrol_t ) *** in_DECOD_MATCH_INST_IFETCH_PTR ; //[nb_decod_unit][nb_inst_decod] public : SC_IN (Tbranch_state_t ) *** in_DECOD_BRANCH_STATE ; //[nb_decod_unit][nb_inst_decod] public : SC_IN (Tprediction_ptr_t ) *** in_DECOD_BRANCH_UPDATE_PREDICTION_ID ; //[nb_decod_unit][nb_inst_decod] public : SC_IN (Tbranch_condition_t) *** in_DECOD_BRANCH_CONDITION ; //[nb_decod_unit][nb_inst_decod] public : SC_IN (Tcontrol_t ) *** in_DECOD_BRANCH_DIRECTION ; //[nb_decod_unit][nb_inst_decod] public : SC_IN (Taddress_t ) *** in_DECOD_ADDRESS_SRC ; //[nb_decod_unit][nb_inst_decod] public : SC_IN (Taddress_t ) *** in_DECOD_ADDRESS_DEST ; //[nb_decod_unit][nb_inst_decod] // ~~~~~[ Interface : "branch_complete" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ public : SC_IN (Tcontrol_t ) ** in_BRANCH_COMPLETE_VAL ; //[nb_inst_branch_complete] public : SC_OUT(Tcontrol_t ) ** out_BRANCH_COMPLETE_ACK ; //[nb_inst_branch_complete] public : SC_IN (Tcontext_t ) ** in_BRANCH_COMPLETE_CONTEXT_ID ; //[nb_inst_branch_complete] public : SC_IN (Tdepth_t ) ** in_BRANCH_COMPLETE_DEPTH ; //[nb_inst_branch_complete] public : SC_IN (Taddress_t ) ** in_BRANCH_COMPLETE_ADDRESS ; //[nb_inst_branch_complete] public : SC_IN (Tcontrol_t ) ** in_BRANCH_COMPLETE_FLAG ; //[nb_inst_branch_complete] public : SC_OUT(Tcontrol_t ) ** out_BRANCH_COMPLETE_MISS_PREDICTION ; //[nb_inst_branch_complete] public : SC_OUT(Tcontrol_t ) ** out_BRANCH_COMPLETE_TAKE ; //[nb_inst_branch_complete] public : SC_OUT(Taddress_t ) ** out_BRANCH_COMPLETE_ADDRESS_SRC ; //[nb_inst_branch_complete] public : SC_OUT(Taddress_t ) ** out_BRANCH_COMPLETE_ADDRESS_DEST ; //[nb_inst_branch_complete] // ~~~~~[ Interface : "branch_event" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ public : SC_OUT(Tcontrol_t ) ** out_BRANCH_EVENT_VAL ; //[nb_context] public : SC_IN (Tcontrol_t ) ** in_BRANCH_EVENT_ACK ; //[nb_context] //public : SC_OUT(Tcontext_t ) ** out_BRANCH_EVENT_CONTEXT_ID ; //[nb_context] //public : SC_OUT(Tdepth_t ) ** out_BRANCH_EVENT_DEPTH ; //[nb_context] //public : SC_OUT(Tcontrol_t ) ** out_BRANCH_EVENT_MISS_PREDICTION ; //[nb_context] public : SC_OUT(Taddress_t ) ** out_BRANCH_EVENT_ADDRESS_SRC ; //[nb_context] public : SC_OUT(Taddress_t ) ** out_BRANCH_EVENT_ADDRESS_DEST ; //[nb_context] // ~~~~~[ Interface : "depth" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ public : SC_OUT(Tdepth_t ) ** out_DEPTH_CURRENT ; //[nb_context] public : SC_OUT(Tdepth_t ) ** out_DEPTH_MIN ; //[nb_context] public : SC_OUT(Tdepth_t ) ** out_DEPTH_MAX ; //[nb_context] // ~~~~~[ Component ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ public : morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::branch_target_buffer ::Branch_Target_Buffer * _component_btb; public : morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::direction ::Direction * _component_dir; public : morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::return_address_stack ::Return_Address_Stack * _component_ras; public : morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::update_prediction_table::Update_Prediction_Table * _component_upt; public : morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::prediction_unit_glue ::Prediction_unit_Glue * _component_glue; // ~~~~~[ Register ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // ~~~~~[ Internal ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ #endif // -----[ Methods ]--------------------------------------------------- #ifdef SYSTEMC SC_HAS_PROCESS (Prediction_unit); #endif public : Prediction_unit ( #ifdef SYSTEMC sc_module_name name, #else std::string name, #endif #ifdef STATISTICS morpheo::behavioural::Parameters_Statistics * param_statistics, #endif Parameters * param, morpheo::behavioural::Tusage_t usage ); public : ~Prediction_unit (void); private : void allocation ( #ifdef STATISTICS morpheo::behavioural::Parameters_Statistics * param_statistics #else void #endif ); private : void deallocation (void); #ifdef SYSTEMC # if defined(STATISTICS) or defined(VHDL_TESTBENCH) public : void transition (void); # endif #endif #if VHDL public : void vhdl (void); #endif #ifdef STATISTICS public : void statistics_allocation (morpheo::behavioural::Parameters_Statistics * param_statistics); public : void statistics_deallocation (void); #endif #if defined(STATISTICS) or defined(VHDL_TESTBENCH) private : void end_cycle (void); #endif }; }; // end namespace prediction_unit }; // end namespace front_end }; // end namespace multi_front_end }; // end namespace core }; // end namespace behavioural }; // end namespace morpheo #endif