#ifndef morpheo_behavioural_core_multi_front_end_front_end_prediction_unit_branch_target_buffer_Branch_Target_Buffer_h #define morpheo_behavioural_core_multi_front_end_front_end_prediction_unit_branch_target_buffer_Branch_Target_Buffer_h /* * $Id: Branch_Target_Buffer.h 82 2008-05-01 16:48:45Z 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/Branch_Target_Buffer/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/Generic/Sort/include/Sort.h" #include "Behavioural/Generic/Victim/include/Victim.h" #include "Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Branch_Target_Buffer/Branch_Target_Buffer_Glue/include/Branch_Target_Buffer_Glue.h" #include "Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Branch_Target_Buffer/Branch_Target_Buffer_Register/include/Branch_Target_Buffer_Register.h" namespace morpheo { namespace behavioural { namespace core { namespace multi_front_end { namespace front_end { namespace prediction_unit { namespace branch_target_buffer { class Branch_Target_Buffer #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_inst_predict] public : SC_OUT(Tcontrol_t ) ** out_PREDICT_ACK ; //[nb_inst_predict] public : SC_IN (Tcontext_t ) ** in_PREDICT_CONTEXT_ID ; //[nb_inst_predict] public : SC_IN (Tgeneral_data_t ) ** in_PREDICT_ADDRESS ; //[nb_inst_predict] public : SC_OUT(Tcontrol_t ) ** out_PREDICT_HIT ; //[nb_inst_predict] public : SC_OUT(Tgeneral_data_t ) ** out_PREDICT_ADDRESS_SRC ; //[nb_inst_predict] public : SC_OUT(Tgeneral_data_t ) ** out_PREDICT_ADDRESS_DEST ; //[nb_inst_predict] public : SC_OUT(Tbranch_condition_t) ** out_PREDICT_CONDITION ; //[nb_inst_predict] public : SC_OUT(Tcontrol_t ) ** out_PREDICT_LAST_TAKE ; //[nb_inst_predict] public : SC_OUT(Tcontrol_t ) ** out_PREDICT_IS_ACCURATE ; //[nb_inst_predict] // ~~~~~[ Interface : "decod" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ public : SC_IN (Tcontrol_t ) ** in_DECOD_VAL ; //[nb_inst_decod] public : SC_OUT(Tcontrol_t ) ** out_DECOD_ACK ; //[nb_inst_decod] //public : SC_OUT(Tcontrol_t ) ** out_DECOD_HIT ; //[nb_inst_decod] //public : SC_IN (Tptr_t ) ** in_DECOD_VICTIM ; //[nb_inst_decod] public : SC_IN (Tcontext_t ) ** in_DECOD_CONTEXT_ID ; //[nb_inst_decod] public : SC_IN (Tgeneral_data_t ) ** in_DECOD_ADDRESS_SRC ; //[nb_inst_decod] public : SC_IN (Tgeneral_data_t ) ** in_DECOD_ADDRESS_DEST ; //[nb_inst_decod] public : SC_IN (Tbranch_condition_t) ** in_DECOD_CONDITION ; //[nb_inst_decod] public : SC_IN (Tcontrol_t ) ** in_DECOD_LAST_TAKE ; //[nb_inst_decod] public : SC_IN (Tcontrol_t ) ** in_DECOD_MISS_PREDICTION ; //[nb_inst_decod] public : SC_IN (Tcontrol_t ) ** in_DECOD_IS_ACCURATE ; //[nb_inst_decod] // ~~~~~[ Interface : "update" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ public : SC_IN (Tcontrol_t ) ** in_UPDATE_VAL ; //[nb_inst_update] public : SC_OUT(Tcontrol_t ) ** out_UPDATE_ACK ; //[nb_inst_update] //public : SC_OUT(Tcontrol_t ) ** out_UPDATE_HIT ; //[nb_inst_update] //public : SC_IN (Tptr_t ) ** in_UPDATE_VICTIM ; //[nb_inst_update] public : SC_IN (Tcontext_t ) ** in_UPDATE_CONTEXT_ID ; //[nb_inst_update] public : SC_IN (Tgeneral_data_t ) ** in_UPDATE_ADDRESS_SRC ; //[nb_inst_update] public : SC_IN (Tgeneral_data_t ) ** in_UPDATE_ADDRESS_DEST ; //[nb_inst_update] public : SC_IN (Tbranch_condition_t) ** in_UPDATE_CONDITION ; //[nb_inst_update] public : SC_IN (Tcontrol_t ) ** in_UPDATE_LAST_TAKE ; //[nb_inst_update] public : SC_IN (Tcontrol_t ) ** in_UPDATE_MISS_PREDICTION; //[nb_inst_update] // ~~~~~[ Component ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ public : morpheo::behavioural::generic::sort::Sort ** _component_sort; public : morpheo::behavioural::generic::victim::Victim * _component_victim; public : morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::branch_target_buffer::branch_target_buffer_glue::Branch_Target_Buffer_Glue * _component_branch_target_buffer_glue; public : morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::branch_target_buffer::branch_target_buffer_register::Branch_Target_Buffer_Register * _component_branch_target_buffer_register; // ~~~~~[ Register ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // ~~~~~[ Internal ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ #endif // -----[ Methods ]--------------------------------------------------- #ifdef SYSTEMC SC_HAS_PROCESS (Branch_Target_Buffer); #endif public : Branch_Target_Buffer ( #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 : ~Branch_Target_Buffer (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 branch_target_buffer }; // end namespace prediction_unit }; // end namespace front_end }; // end namespace multi_front_end }; // end namespace core }; // end namespace behavioural }; // end namespace morpheo #endif