Changeset 88 for trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Update_Prediction_Table/include/Update_Prediction_Table.h
- Timestamp:
- Dec 10, 2008, 7:31:39 PM (15 years ago)
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
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trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Update_Prediction_Table/include/Update_Prediction_Table.h
r82 r88 51 51 #ifdef STATISTICS 52 52 public : Stat * _stat; 53 54 private : counter_t ** _stat_nb_branch_hit ; //[nb_context] 55 private : counter_t ** _stat_nb_branch_miss ; //[nb_context] 56 private : counter_t ** _stat_nb_branch_unused ; //[nb_context] 57 private : counter_t ** _stat_queue_nb_cycle_empty; //[nb_context] 58 private : counter_t ** _stat_queue_nb_cycle_full ; //[nb_context] 59 private : counter_t ** _stat_queue_nb_elt ; //[nb_context] 60 53 61 #endif 54 62 … … 59 67 // ~~~~~[ Interface ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 60 68 // ~~~~~[ Interface : "" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 61 public : SC_CLOCK * in_CLOCK ;62 public : SC_IN (Tcontrol_t) * in_NRESET ;69 public : SC_CLOCK * in_CLOCK ; 70 public : SC_IN (Tcontrol_t) * in_NRESET ; 63 71 64 72 // ~~~~~[ Interface : "predict" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 65 public : SC_IN (Tcontrol_t ) ** in_PREDICT_VAL ; //[nb_inst_predict]66 public : SC_OUT(Tcontrol_t ) ** out_PREDICT_ACK ; //[nb_inst_predict]67 public : SC_IN (Tcontext_t ) ** in_PREDICT_CONTEXT_ID ; //[nb_inst_predict]68 public : SC_IN (Taddress_t ) ** in_PREDICT_BTB_ADDRESS_SRC ; //[nb_inst_predict]69 public : SC_IN (Taddress_t ) ** in_PREDICT_BTB_ADDRESS_DEST ; //[nb_inst_predict]70 public : SC_IN (Tbranch_condition_t) ** in_PREDICT_BTB_CONDITION ; //[nb_inst_predict]71 public : SC_IN (Tcontrol_t ) ** in_PREDICT_BTB_LAST_TAKE ; //[nb_inst_predict]72 public : SC_IN (Tcontrol_t ) ** in_PREDICT_BTB_IS_ACCURATE ; //[nb_inst_predict]73 public : SC_IN (Thistory_t ) ** in_PREDICT_DIR_HISTORY ; //[nb_inst_predict]74 public : SC_IN (Taddress_t ) ** in_PREDICT_RAS_ADDRESS ; //[nb_inst_predict]75 public : SC_IN (Tptr_t ) ** in_PREDICT_RAS_INDEX ; //[nb_inst_predict]76 //public : SC_OUT(Tprediction_ptr_t ) ** out_PREDICT_UPDATE_PREDICTION_ID; //[nb_inst_predict]73 public : SC_IN (Tcontrol_t ) ** in_PREDICT_VAL ; //[nb_inst_predict] 74 public : SC_OUT(Tcontrol_t ) ** out_PREDICT_ACK ; //[nb_inst_predict] 75 public : SC_IN (Tcontext_t ) ** in_PREDICT_CONTEXT_ID ; //[nb_inst_predict] 76 public : SC_IN (Taddress_t ) ** in_PREDICT_BTB_ADDRESS_SRC ; //[nb_inst_predict] 77 public : SC_IN (Taddress_t ) ** in_PREDICT_BTB_ADDRESS_DEST ; //[nb_inst_predict] 78 public : SC_IN (Tbranch_condition_t) ** in_PREDICT_BTB_CONDITION ; //[nb_inst_predict] 79 public : SC_IN (Tcontrol_t ) ** in_PREDICT_BTB_LAST_TAKE ; //[nb_inst_predict] 80 public : SC_IN (Tcontrol_t ) ** in_PREDICT_BTB_IS_ACCURATE ; //[nb_inst_predict] 81 public : SC_IN (Thistory_t ) ** in_PREDICT_DIR_HISTORY ; //[nb_inst_predict] 82 public : SC_IN (Taddress_t ) ** in_PREDICT_RAS_ADDRESS ; //[nb_inst_predict] 83 public : SC_IN (Tptr_t ) ** in_PREDICT_RAS_INDEX ; //[nb_inst_predict] 84 public : SC_OUT(Tprediction_ptr_t ) ** out_PREDICT_UPDATE_PREDICTION_ID ; //[nb_inst_predict] 77 85 78 86 // ~~~~~[ Interface : "decod" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 79 public : SC_IN (Tcontrol_t ) ** in_DECOD_VAL ; //[nb_inst_decod]80 public : SC_OUT(Tcontrol_t ) ** out_DECOD_ACK ; //[nb_inst_decod]81 public : SC_IN (Tcontext_t ) ** in_DECOD_CONTEXT_ID ; //[nb_inst_decod]82 public : SC_IN (Taddress_t ) ** in_DECOD_BTB_ADDRESS_SRC ; //[nb_inst_decod]83 public : SC_IN (Taddress_t ) ** in_DECOD_BTB_ADDRESS_DEST ; //[nb_inst_decod]84 public : SC_IN (Tbranch_condition_t) ** in_DECOD_BTB_CONDITION ; //[nb_inst_decod]85 public : SC_IN (Tcontrol_t ) ** in_DECOD_BTB_LAST_TAKE ; //[nb_inst_decod]86 //public : SC_IN (T control_t ) ** in_DECOD_BTB_IS_ACCURATE ; //[nb_inst_decod]87 //public : SC_IN (Thistory_t ) ** in_DECOD_DIR_HISTORY ; //[nb_inst_decod] // if ifetch prediction is miss -> miss btb -> make a static state 88 public : SC_IN (T address_t ) ** in_DECOD_RAS_ADDRESS; //[nb_inst_decod]89 public : SC_IN (T ptr_t ) ** in_DECOD_RAS_INDEX; //[nb_inst_decod]90 public : SC_IN (Tcontrol_t ) ** in_DECOD_MISS_ IFETCH; //[nb_inst_decod]91 public : SC_IN (T control_t ) ** in_DECOD_MISS_DECOD; //[nb_inst_decod]92 public : SC_IN (Tprediction_ptr_t ) ** in_DECOD_UPDATE_PREDICTION_ID; //[nb_inst_decod]93 //public : SC_OUT(Tdepth_t ) ** out_DECOD_DEPTH; //[nb_inst_decod]87 public : SC_IN (Tcontrol_t ) ** in_DECOD_VAL ; //[nb_inst_decod] 88 public : SC_OUT(Tcontrol_t ) ** out_DECOD_ACK ; //[nb_inst_decod] 89 public : SC_IN (Tcontext_t ) ** in_DECOD_CONTEXT_ID ; //[nb_inst_decod] 90 public : SC_IN (Taddress_t ) ** in_DECOD_BTB_ADDRESS_SRC ; //[nb_inst_decod] 91 public : SC_IN (Taddress_t ) ** in_DECOD_BTB_ADDRESS_DEST ; //[nb_inst_decod] 92 public : SC_IN (Tbranch_condition_t) ** in_DECOD_BTB_CONDITION ; //[nb_inst_decod] 93 public : SC_IN (Tcontrol_t ) ** in_DECOD_BTB_LAST_TAKE ; //[nb_inst_decod] 94 //public : SC_IN (Thistory_t ) ** in_DECOD_DIR_HISTORY ; //[nb_inst_decod] // if ifetch prediction is miss -> miss btb -> make a static state 95 public : SC_IN (Taddress_t ) ** in_DECOD_RAS_ADDRESS ; //[nb_inst_decod] 96 public : SC_IN (Tptr_t ) ** in_DECOD_RAS_INDEX ; //[nb_inst_decod] 97 public : SC_IN (Tcontrol_t ) ** in_DECOD_MISS_IFETCH ; //[nb_inst_decod] 98 public : SC_IN (Tcontrol_t ) ** in_DECOD_MISS_DECOD ; //[nb_inst_decod] 99 public : SC_IN (Tprediction_ptr_t ) ** in_DECOD_UPDATE_PREDICTION_ID ; //[nb_inst_decod] 100 //public : SC_OUT(Tdepth_t ) ** out_DECOD_DEPTH ; //[nb_inst_decod] 101 public : SC_IN (Tcontrol_t ) ** in_DECOD_IS_ACCURATE ; //[nb_inst_decod] 94 102 95 103 // ~~~~~[ Interface : "branch_complete" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ … … 106 114 107 115 // ~~~~~[ Interface : "branch_event" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 108 public : SC_OUT(Tcontrol_t ) ** out_BRANCH_EVENT_VAL ; //[nb_context]109 public : SC_IN (Tcontrol_t ) ** in_BRANCH_EVENT_ACK ; //[nb_context]110 //public : SC_OUT(Tcontext_t ) ** out_BRANCH_EVENT_CONTEXT_ID ; //[nb_context]111 //public : SC_OUT(Tdepth_t ) ** out_BRANCH_EVENT_DEPTH ; //[nb_context]112 //public : SC_OUT(Tcontrol_t ) ** out_BRANCH_EVENT_MISS_PREDICTION ; //[nb_context] is always miss prediction113 public : SC_OUT(Taddress_t ) ** out_BRANCH_EVENT_ADDRESS_SRC ; //[nb_context]114 public : SC_OUT(Taddress_t ) ** out_BRANCH_EVENT_ADDRESS_DEST ; //[nb_context]116 public : SC_OUT(Tcontrol_t ) ** out_BRANCH_EVENT_VAL ; //[nb_context] 117 public : SC_IN (Tcontrol_t ) ** in_BRANCH_EVENT_ACK ; //[nb_context] 118 //public : SC_OUT(Tcontext_t ) ** out_BRANCH_EVENT_CONTEXT_ID ; //[nb_context] 119 //public : SC_OUT(Tdepth_t ) ** out_BRANCH_EVENT_DEPTH ; //[nb_context] 120 //public : SC_OUT(Tcontrol_t ) ** out_BRANCH_EVENT_MISS_PREDICTION ; //[nb_context] is always miss prediction 121 public : SC_OUT(Taddress_t ) ** out_BRANCH_EVENT_ADDRESS_SRC ; //[nb_context] 122 public : SC_OUT(Taddress_t ) ** out_BRANCH_EVENT_ADDRESS_DEST ; //[nb_context] 115 123 116 124 // ~~~~~[ Interface : "update" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 117 public : SC_OUT(Tcontrol_t ) ** out_UPDATE_VAL ; //[nb_inst_update]118 public : SC_IN (Tcontrol_t ) ** in_UPDATE_ACK ; //[nb_inst_update]119 public : SC_OUT(Tcontext_t ) ** out_UPDATE_CONTEXT_ID ; //[nb_inst_update]120 public : SC_OUT(Tcontrol_t ) ** out_UPDATE_MISS_PREDICTION ; //[nb_inst_update]121 public : SC_OUT(Tcontrol_t ) ** out_UPDATE_DIRECTION_GOOD ; //[nb_inst_update]122 public : SC_OUT(Tcontrol_t ) ** out_UPDATE_BTB_VAL ; //[nb_inst_update]123 public : SC_OUT(Taddress_t ) ** out_UPDATE_BTB_ADDRESS_SRC ; //[nb_inst_update]124 public : SC_OUT(Taddress_t ) ** out_UPDATE_BTB_ADDRESS_DEST ; //[nb_inst_update]125 public : SC_OUT(Tbranch_condition_t) ** out_UPDATE_BTB_CONDITION ; //[nb_inst_update]126 public : SC_OUT(Tcontrol_t ) ** out_UPDATE_DIR_VAL ; //[nb_inst_update]127 public : SC_OUT(Thistory_t ) ** out_UPDATE_DIR_HISTORY ; //[nb_inst_update]128 public : SC_OUT(Tcontrol_t ) ** out_UPDATE_RAS_VAL ; //[nb_inst_update]129 public : SC_OUT(Tcontrol_t ) ** out_UPDATE_RAS_PUSH ; //[nb_inst_update]130 public : SC_OUT(Taddress_t ) ** out_UPDATE_RAS_ADDRESS ; //[nb_inst_update]131 public : SC_OUT(Tptr_t ) ** out_UPDATE_RAS_INDEX ; //[nb_inst_update]132 public : SC_OUT(Tcontrol_t ) ** out_UPDATE_RAS_PREDICTION_IFETCH ; //[nb_inst_update]125 public : SC_OUT(Tcontrol_t ) ** out_UPDATE_VAL ; //[nb_inst_update] 126 public : SC_IN (Tcontrol_t ) ** in_UPDATE_ACK ; //[nb_inst_update] 127 public : SC_OUT(Tcontext_t ) ** out_UPDATE_CONTEXT_ID ; //[nb_inst_update] 128 public : SC_OUT(Tcontrol_t ) ** out_UPDATE_MISS_PREDICTION ; //[nb_inst_update] 129 public : SC_OUT(Tcontrol_t ) ** out_UPDATE_DIRECTION_GOOD ; //[nb_inst_update] 130 public : SC_OUT(Tcontrol_t ) ** out_UPDATE_BTB_VAL ; //[nb_inst_update] 131 public : SC_OUT(Taddress_t ) ** out_UPDATE_BTB_ADDRESS_SRC ; //[nb_inst_update] 132 public : SC_OUT(Taddress_t ) ** out_UPDATE_BTB_ADDRESS_DEST ; //[nb_inst_update] 133 public : SC_OUT(Tbranch_condition_t) ** out_UPDATE_BTB_CONDITION ; //[nb_inst_update] 134 public : SC_OUT(Tcontrol_t ) ** out_UPDATE_DIR_VAL ; //[nb_inst_update] 135 public : SC_OUT(Thistory_t ) ** out_UPDATE_DIR_HISTORY ; //[nb_inst_update] 136 public : SC_OUT(Tcontrol_t ) ** out_UPDATE_RAS_VAL ; //[nb_inst_update] 137 public : SC_OUT(Tcontrol_t ) ** out_UPDATE_RAS_PUSH ; //[nb_inst_update] 138 public : SC_OUT(Taddress_t ) ** out_UPDATE_RAS_ADDRESS ; //[nb_inst_update] 139 public : SC_OUT(Tptr_t ) ** out_UPDATE_RAS_INDEX ; //[nb_inst_update] 140 public : SC_OUT(Tcontrol_t ) ** out_UPDATE_RAS_PREDICTION_IFETCH ; //[nb_inst_update] 133 141 134 142 // ~~~~~[ Interface : "depth" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 135 public : SC_OUT(Tdepth_t ) ** out_DEPTH_NB_BRANCH; //[nb_context] 136 public : SC_OUT(Tdepth_t ) ** out_DEPTH_TAIL; //[nb_context] 143 public : SC_OUT(Tdepth_t ) ** out_DEPTH_CURRENT ; //[nb_context] 144 public : SC_OUT(Tdepth_t ) ** out_DEPTH_MIN ; //[nb_context] 145 public : SC_OUT(Tdepth_t ) ** out_DEPTH_MAX ; //[nb_context] 146 // If DEPTH_CURRENT : 147 // equal at DEPTH_MIN -> not speculative 148 // not include ]DEPTH_MIN:DEPTH_MAX[ -> previous branch miss 149 // include ]DEPTH_MIN:DEPTH_MAX[ -> speculative 137 150 138 151 // ~~~~~[ Component ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 139 152 140 153 // ~~~~~[ Register ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 141 private : uint32_t * reg_TOP ; //[nb_context] 142 private : uint32_t * reg_BOTTOM ; //[nb_context] 143 private : uint32_t * reg_NB_ELT ; //[nb_context] 144 private : uint32_t * reg_NB_ELT_UPDATE ; //[nb_context] 145 private : uint32_t * reg_NB_ELT_NEED_UPDATE ; //[nb_context] 146 private : entry_t ** reg_UPDATE_PREDICTION_TABLE; //[nb_context][size_queue] 147 private : uint32_t reg_UPDATE_PRIORITY ; 154 private : uint32_t reg_UPDATE_PRIORITY ; 155 156 private : ufpt_entry_t ** reg_UPDATE_FETCH_PREDICTION_TABLE ; //[nb_context][size_ufpt_queue] 157 private : uint32_t * reg_UFPT_BOTTOM ; //[nb_context] 158 private : uint32_t * reg_UFPT_TOP ; //[nb_context] 159 private : uint32_t * reg_UFPT_UPDATE ; //[nb_context] 160 private : uint32_t * reg_UFPT_NB_NEED_UPDATE ; //[nb_context] 161 162 private : upt_entry_t ** reg_UPDATE_PREDICTION_TABLE ; //[nb_context][size_upt_queue] 163 private : uint32_t * reg_UPT_BOTTOM ; //[nb_context] 164 private : uint32_t * reg_UPT_TOP ; //[nb_context] 165 private : uint32_t * reg_UPT_UPDATE ; //[nb_context] 166 private : uint32_t * reg_UPT_NB_NEED_UPDATE ; //[nb_context] 167 168 private : bool * reg_IS_ACCURATE ; //[nb_context] 169 170 private : event_state_t * reg_EVENT_STATE ; //[nb_context] 171 private : Tcontrol_t * reg_EVENT_RAS_CORRUPTED ; //[nb_context] // RAS must be flush 172 private : Taddress_t * reg_EVENT_ADDRESS_SRC ; //[nb_context] // Address branch 173 private : Tcontrol_t * reg_EVENT_ADDRESS_SRC_VAL ; //[nb_context] // if miss ifetch, decod issue branch, dest must be reload 174 private : Taddress_t * reg_EVENT_ADDRESS_DEST ; //[nb_context] // Address dest 148 175 149 176 // ~~~~~[ Internal ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 150 177 private : Tcontrol_t * internal_PREDICT_ACK ; //[nb_inst_predict] 178 private : Tdepth_t * internal_PREDICT_UPDATE_PREDICTION_ID ; //[nb_inst_predict] 151 179 private : Tcontrol_t * internal_DECOD_ACK ; //[nb_inst_decod] 180 private : uint32_t * internal_DECOD_UPT_PTR_WRITE ; //[nb_inst_decod] 152 181 private : Tcontrol_t * internal_BRANCH_COMPLETE_ACK ; //[nb_inst_branch_complete] 153 182 private : Tcontrol_t * internal_BRANCH_COMPLETE_MISS_PREDICTION; //[nb_inst_branch_complete] … … 157 186 private : Tdepth_t * internal_BRANCH_EVENT_DEPTH ; //[nb_context] 158 187 private : Tcontrol_t * internal_UPDATE_VAL ; //[nb_inst_update] 188 private : Tcontrol_t * internal_UPDATE_VAL_WITHOUT_ACK ; //[nb_inst_update] 159 189 private : Tcontext_t * internal_UPDATE_CONTEXT_ID ; //[nb_inst_update] 190 private : bool * internal_UPDATE_FROM_UFPT ; //[nb_inst_update] 160 191 private : Tdepth_t * internal_UPDATE_DEPTH ; //[nb_inst_update] 192 private : bool * internal_UPDATE_RAS ; //[nb_inst_update] 193 161 194 #endif 162 195
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