[78] | 1 | /* |
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| 2 | * $Id: Update_Prediction_Table_allocation.cpp 95 2008-12-16 16:24:26Z rosiere $ |
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| 3 | * |
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| 4 | * [ Description ] |
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| 5 | * |
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| 6 | */ |
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| 7 | |
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| 8 | #include "Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Update_Prediction_Table/include/Update_Prediction_Table.h" |
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| 9 | #include "Behavioural/include/Allocation.h" |
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| 10 | |
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| 11 | namespace morpheo { |
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| 12 | namespace behavioural { |
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| 13 | namespace core { |
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| 14 | namespace multi_front_end { |
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| 15 | namespace front_end { |
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| 16 | namespace prediction_unit { |
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| 17 | namespace update_prediction_table { |
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| 18 | |
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| 19 | |
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| 20 | |
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| 21 | #undef FUNCTION |
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| 22 | #define FUNCTION "Update_Prediction_Table::allocation" |
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| 23 | void Update_Prediction_Table::allocation ( |
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| 24 | #ifdef STATISTICS |
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| 25 | morpheo::behavioural::Parameters_Statistics * param_statistics |
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| 26 | #else |
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| 27 | void |
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| 28 | #endif |
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| 29 | ) |
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| 30 | { |
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| 31 | log_printf(FUNC,Update_Prediction_Table,FUNCTION,"Begin"); |
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| 32 | |
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| 33 | _component = new Component (_usage); |
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| 34 | |
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| 35 | Entity * entity = _component->set_entity (_name |
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| 36 | ,"Update_Prediction_Table" |
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| 37 | #ifdef POSITION |
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| 38 | ,COMBINATORY |
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| 39 | #endif |
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| 40 | ); |
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| 41 | |
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| 42 | _interfaces = entity->set_interfaces(); |
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| 43 | |
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| 44 | // ~~~~~[ Interface : "" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 45 | { |
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| 46 | Interface * interface = _interfaces->set_interface("" |
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| 47 | #ifdef POSITION |
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| 48 | ,IN |
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| 49 | ,SOUTH, |
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| 50 | "Generalist interface" |
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| 51 | #endif |
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| 52 | ); |
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| 53 | |
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| 54 | in_CLOCK = interface->set_signal_clk ("clock" ,1, CLOCK_VHDL_YES); |
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| 55 | in_NRESET = interface->set_signal_in <Tcontrol_t> ("nreset",1, RESET_VHDL_YES); |
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| 56 | } |
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[81] | 57 | |
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| 58 | // ~~~~~[ Interface : "predict" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 59 | { |
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| 60 | ALLOC1_INTERFACE("predict", IN,SOUTH, "predict", _param->_nb_inst_predict); |
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| 61 | |
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| 62 | ALLOC1_VALACK_IN ( in_PREDICT_VAL ,VAL); |
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| 63 | ALLOC1_VALACK_OUT(out_PREDICT_ACK ,ACK); |
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| 64 | ALLOC1_SIGNAL_IN ( in_PREDICT_CONTEXT_ID ,"context_id" ,Tcontext_t ,_param->_size_context_id); |
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[88] | 65 | ALLOC1_SIGNAL_OUT(out_PREDICT_UPDATE_PREDICTION_ID,"update_prediction_id",Tprediction_ptr_t ,_param->_size_depth); |
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| 66 | ALLOC1_SIGNAL_IN ( in_PREDICT_BTB_ADDRESS_SRC ,"btb_address_src" ,Taddress_t ,_param->_size_instruction_address); |
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| 67 | ALLOC1_SIGNAL_IN ( in_PREDICT_BTB_ADDRESS_DEST ,"btb_address_dest" ,Taddress_t ,_param->_size_instruction_address); |
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[81] | 68 | ALLOC1_SIGNAL_IN ( in_PREDICT_BTB_CONDITION ,"btb_condition" ,Tbranch_condition_t,_param->_size_branch_condition); |
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| 69 | ALLOC1_SIGNAL_IN ( in_PREDICT_BTB_LAST_TAKE ,"btb_last_take" ,Tcontrol_t ,1); |
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| 70 | ALLOC1_SIGNAL_IN ( in_PREDICT_BTB_IS_ACCURATE ,"btb_is_accurate" ,Tcontrol_t ,1); |
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| 71 | ALLOC1_SIGNAL_IN ( in_PREDICT_DIR_HISTORY ,"dir_history" ,Thistory_t ,_param->_size_history); |
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[88] | 72 | ALLOC1_SIGNAL_IN ( in_PREDICT_RAS_ADDRESS ,"ras_address" ,Taddress_t ,_param->_size_instruction_address); |
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[81] | 73 | ALLOC1_SIGNAL_IN ( in_PREDICT_RAS_INDEX ,"ras_index" ,Tptr_t ,_param->_max_size_ras_index); |
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| 74 | } |
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| 75 | |
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| 76 | // ~~~~~[ Interface : "decod" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 77 | { |
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[88] | 78 | ALLOC1_INTERFACE("decod", IN,SOUTH, "decod", _param->_nb_inst_decod); |
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[81] | 79 | |
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| 80 | ALLOC1_VALACK_IN ( in_DECOD_VAL ,VAL); |
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| 81 | ALLOC1_VALACK_OUT(out_DECOD_ACK ,ACK); |
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| 82 | ALLOC1_SIGNAL_IN ( in_DECOD_CONTEXT_ID ,"context_id" ,Tcontext_t ,_param->_size_context_id); |
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[88] | 83 | ALLOC1_SIGNAL_IN ( in_DECOD_BTB_ADDRESS_SRC ,"btb_address_src" ,Taddress_t ,_param->_size_instruction_address); |
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| 84 | ALLOC1_SIGNAL_IN ( in_DECOD_BTB_ADDRESS_DEST ,"btb_address_dest" ,Taddress_t ,_param->_size_instruction_address); |
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[81] | 85 | ALLOC1_SIGNAL_IN ( in_DECOD_BTB_CONDITION ,"btb_condition" ,Tbranch_condition_t,_param->_size_branch_condition); |
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| 86 | ALLOC1_SIGNAL_IN ( in_DECOD_BTB_LAST_TAKE ,"btb_last_take" ,Tcontrol_t ,1); |
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[88] | 87 | ALLOC1_SIGNAL_IN ( in_DECOD_RAS_ADDRESS ,"ras_address" ,Taddress_t ,_param->_size_instruction_address); |
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[81] | 88 | ALLOC1_SIGNAL_IN ( in_DECOD_RAS_INDEX ,"ras_index" ,Tptr_t ,_param->_max_size_ras_index); |
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[82] | 89 | ALLOC1_SIGNAL_IN ( in_DECOD_MISS_IFETCH ,"miss_ifetch" ,Tcontrol_t ,1); |
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| 90 | ALLOC1_SIGNAL_IN ( in_DECOD_MISS_DECOD ,"miss_decod" ,Tcontrol_t ,1); |
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[88] | 91 | ALLOC1_SIGNAL_IN ( in_DECOD_UPDATE_PREDICTION_ID,"update_prediction_id",Tprediction_ptr_t ,_param->_size_depth); |
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[81] | 92 | // ALLOC1_SIGNAL_OUT(out_DECOD_DEPTH ,"depth" ,Tdepth_t ,_param->_size_depth); |
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[88] | 93 | ALLOC1_SIGNAL_IN ( in_DECOD_IS_ACCURATE ,"is_accurate" ,Tcontrol_t ,1); |
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[81] | 94 | } |
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| 95 | |
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| 96 | // ~~~~~[ Interface : "branch_complete" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 97 | { |
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| 98 | ALLOC1_INTERFACE("branch_complete", IN,SOUTH, "branch_complete", _param->_nb_inst_branch_complete); |
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| 99 | |
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| 100 | ALLOC1_VALACK_IN ( in_BRANCH_COMPLETE_VAL ,VAL); |
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| 101 | ALLOC1_VALACK_OUT(out_BRANCH_COMPLETE_ACK ,ACK); |
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| 102 | ALLOC1_SIGNAL_IN ( in_BRANCH_COMPLETE_CONTEXT_ID ,"context_id" ,Tcontext_t,_param->_size_context_id); |
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[88] | 103 | ALLOC1_SIGNAL_IN ( in_BRANCH_COMPLETE_DEPTH ,"depth" ,Tdepth_t ,_param->_size_depth); |
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| 104 | ALLOC1_SIGNAL_IN ( in_BRANCH_COMPLETE_ADDRESS ,"address" ,Taddress_t,_param->_size_instruction_address); |
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[81] | 105 | ALLOC1_SIGNAL_IN ( in_BRANCH_COMPLETE_FLAG ,"flag" ,Tcontrol_t,1); |
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| 106 | ALLOC1_SIGNAL_OUT(out_BRANCH_COMPLETE_MISS_PREDICTION,"miss_prediction",Tcontrol_t,1); |
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| 107 | ALLOC1_SIGNAL_OUT(out_BRANCH_COMPLETE_TAKE ,"take" ,Tcontrol_t,1); |
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[88] | 108 | ALLOC1_SIGNAL_OUT(out_BRANCH_COMPLETE_ADDRESS_SRC ,"address_src" ,Taddress_t,_param->_size_instruction_address); |
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| 109 | ALLOC1_SIGNAL_OUT(out_BRANCH_COMPLETE_ADDRESS_DEST ,"address_dest" ,Taddress_t,_param->_size_instruction_address); |
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[81] | 110 | } |
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| 111 | |
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[82] | 112 | // ~~~~~[ Interface : "branch_event" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 113 | { |
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| 114 | ALLOC1_INTERFACE("branch_event", IN,SOUTH, "branch_event", _param->_nb_context); |
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| 115 | |
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[94] | 116 | ALLOC1_VALACK_OUT(out_BRANCH_EVENT_VAL ,VAL); |
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| 117 | ALLOC1_VALACK_IN ( in_BRANCH_EVENT_ACK ,ACK); |
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| 118 | // ALLOC1_SIGNAL_OUT(out_BRANCH_EVENT_CONTEXT_ID ,"context_id" ,Tcontext_t,_param->_size_context_id); |
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| 119 | // ALLOC1_SIGNAL_OUT(out_BRANCH_EVENT_DEPTH ,"depth" ,Tdepth_t ,_param->_size_depth); |
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| 120 | // ALLOC1_SIGNAL_OUT(out_BRANCH_EVENT_MISS_PREDICTION ,"miss_prediction" ,Tcontrol_t,1); |
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| 121 | ALLOC1_SIGNAL_OUT(out_BRANCH_EVENT_ADDRESS_SRC ,"address_src" ,Taddress_t,_param->_size_instruction_address); |
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| 122 | ALLOC1_SIGNAL_OUT(out_BRANCH_EVENT_ADDRESS_DEST_VAL ,"address_dest_val",Tcontrol_t,1); |
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| 123 | ALLOC1_SIGNAL_OUT(out_BRANCH_EVENT_ADDRESS_DEST ,"address_dest" ,Taddress_t,_param->_size_instruction_address); |
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[82] | 124 | } |
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| 125 | |
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[81] | 126 | // ~~~~~[ Interface : "update" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 127 | { |
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| 128 | ALLOC1_INTERFACE("update",OUT,SOUTH, "update", _param->_nb_inst_update); |
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| 129 | |
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| 130 | ALLOC1_VALACK_OUT(out_UPDATE_VAL ,VAL); |
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| 131 | ALLOC1_VALACK_IN ( in_UPDATE_ACK ,ACK); |
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| 132 | ALLOC1_SIGNAL_OUT(out_UPDATE_CONTEXT_ID ,"context_id" ,Tcontext_t ,_param->_size_context_id); |
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| 133 | ALLOC1_SIGNAL_OUT(out_UPDATE_MISS_PREDICTION ,"miss_prediction" ,Tcontrol_t ,1); |
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| 134 | ALLOC1_SIGNAL_OUT(out_UPDATE_DIRECTION_GOOD ,"direction_good" ,Tcontrol_t ,1); |
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| 135 | ALLOC1_SIGNAL_OUT(out_UPDATE_BTB_VAL ,"btb_val" ,Tcontrol_t ,1); |
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[88] | 136 | ALLOC1_SIGNAL_OUT(out_UPDATE_BTB_ADDRESS_SRC ,"btb_address_src" ,Taddress_t ,_param->_size_instruction_address); |
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| 137 | ALLOC1_SIGNAL_OUT(out_UPDATE_BTB_ADDRESS_DEST ,"btb_address_dest" ,Taddress_t ,_param->_size_instruction_address); |
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[81] | 138 | ALLOC1_SIGNAL_OUT(out_UPDATE_BTB_CONDITION ,"btb_condition" ,Tbranch_condition_t,_param->_size_branch_condition); |
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| 139 | ALLOC1_SIGNAL_OUT(out_UPDATE_DIR_VAL ,"dir_val" ,Tcontrol_t ,1); |
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| 140 | ALLOC1_SIGNAL_OUT(out_UPDATE_DIR_HISTORY ,"dir_history" ,Thistory_t ,_param->_size_history); |
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| 141 | ALLOC1_SIGNAL_OUT(out_UPDATE_RAS_VAL ,"ras_val" ,Tcontrol_t ,1); |
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[94] | 142 | ALLOC1_SIGNAL_OUT(out_UPDATE_RAS_FLUSH ,"ras_flush" ,Tcontrol_t ,1); |
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[82] | 143 | ALLOC1_SIGNAL_OUT(out_UPDATE_RAS_PUSH ,"ras_push" ,Tcontrol_t ,1); |
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[88] | 144 | ALLOC1_SIGNAL_OUT(out_UPDATE_RAS_ADDRESS ,"ras_address" ,Taddress_t ,_param->_size_instruction_address); |
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[81] | 145 | ALLOC1_SIGNAL_OUT(out_UPDATE_RAS_INDEX ,"ras_index" ,Tptr_t ,_param->_max_size_ras_index); |
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| 146 | ALLOC1_SIGNAL_OUT(out_UPDATE_RAS_PREDICTION_IFETCH,"ras_prediction_ifetch",Tcontrol_t ,1); |
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| 147 | } |
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| 148 | |
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[94] | 149 | // ~~~~~[ Interface : "event" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 150 | { |
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| 151 | ALLOC1_INTERFACE("event", IN,SOUTH,"event", _param->_nb_context); |
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| 152 | |
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| 153 | ALLOC1_SIGNAL_IN ( in_EVENT_STATE ,"state",Tevent_state_t,_param->_size_event_state); |
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| 154 | ALLOC1_SIGNAL_IN ( in_EVENT_TYPE ,"type" ,Tevent_type_t ,_param->_size_event_type ); |
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| 155 | ALLOC1_SIGNAL_IN ( in_EVENT_DEPTH ,"depth",Tdepth_t ,_param->_size_depth ); |
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| 156 | } |
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| 157 | |
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[81] | 158 | // ~~~~~[ Interface : "depth" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 159 | { |
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| 160 | ALLOC1_INTERFACE("depth",OUT,SOUTH, "depth", _param->_nb_context); |
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[88] | 161 | ALLOC1_SIGNAL_OUT(out_DEPTH_CURRENT,"CURRENT",Tdepth_t,_param->_size_depth); |
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| 162 | ALLOC1_SIGNAL_OUT(out_DEPTH_MIN ,"MIN" ,Tdepth_t,_param->_size_depth); |
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| 163 | ALLOC1_SIGNAL_OUT(out_DEPTH_MAX ,"MAX" ,Tdepth_t,_param->_size_depth+1); |
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[81] | 164 | } |
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| 165 | |
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[88] | 166 | if (usage_is_set(_usage,USE_SYSTEMC)) |
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| 167 | { |
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[81] | 168 | // ~~~~~[ Internal ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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[88] | 169 | ALLOC1(internal_PREDICT_ACK ,Tcontrol_t,_param->_nb_inst_predict); |
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| 170 | ALLOC1(internal_PREDICT_UPDATE_PREDICTION_ID ,Tdepth_t ,_param->_nb_inst_predict); |
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| 171 | ALLOC1(internal_DECOD_ACK ,Tcontrol_t,_param->_nb_inst_decod); |
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| 172 | ALLOC1(internal_DECOD_UPT_PTR_WRITE ,uint32_t ,_param->_nb_inst_decod); |
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| 173 | ALLOC1(internal_BRANCH_COMPLETE_ACK ,Tcontrol_t,_param->_nb_inst_branch_complete); |
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| 174 | ALLOC1(internal_BRANCH_COMPLETE_MISS_PREDICTION ,Tcontrol_t,_param->_nb_inst_branch_complete); |
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| 175 | ALLOC1(internal_BRANCH_COMPLETE_TAKE ,Tcontrol_t,_param->_nb_inst_branch_complete); |
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| 176 | ALLOC1(internal_BRANCH_COMPLETE_ADDRESS_DEST ,Taddress_t,_param->_nb_inst_branch_complete); |
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| 177 | ALLOC1(internal_BRANCH_EVENT_VAL ,Tcontrol_t,_param->_nb_context); |
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| 178 | ALLOC1(internal_BRANCH_EVENT_DEPTH ,Tdepth_t ,_param->_nb_context); |
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| 179 | ALLOC1(internal_UPDATE_VAL ,Tcontrol_t,_param->_nb_inst_update); |
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| 180 | ALLOC1(internal_UPDATE_VAL_WITHOUT_ACK ,Tcontrol_t,_param->_nb_inst_update); |
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| 181 | ALLOC1(internal_UPDATE_CONTEXT_ID ,Tcontext_t,_param->_nb_inst_update); |
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| 182 | ALLOC1(internal_UPDATE_FROM_UFPT ,bool ,_param->_nb_inst_update); |
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| 183 | ALLOC1(internal_UPDATE_DEPTH ,Tdepth_t ,_param->_nb_inst_update); |
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| 184 | ALLOC1(internal_UPDATE_RAS ,bool ,_param->_nb_inst_update); |
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[81] | 185 | |
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| 186 | // ~~~~~[ Register ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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[88] | 187 | |
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| 188 | ALLOC1(reg_IS_ACCURATE ,bool ,_param->_nb_context); |
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| 189 | |
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| 190 | ALLOC2(reg_UPDATE_FETCH_PREDICTION_TABLE,ufpt_entry_t ,_param->_nb_context,_param->_size_ufpt_queue[it1]); |
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| 191 | ALLOC1(reg_UFPT_BOTTOM ,uint32_t ,_param->_nb_context); |
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| 192 | ALLOC1(reg_UFPT_TOP ,uint32_t ,_param->_nb_context); |
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| 193 | ALLOC1(reg_UFPT_UPDATE ,uint32_t ,_param->_nb_context); |
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| 194 | ALLOC1(reg_UFPT_NB_NEED_UPDATE ,uint32_t ,_param->_nb_context); |
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| 195 | |
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| 196 | ALLOC2(reg_UPDATE_PREDICTION_TABLE ,upt_entry_t ,_param->_nb_context,_param->_size_upt_queue[it1]); |
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| 197 | ALLOC1(reg_UPT_BOTTOM ,uint32_t ,_param->_nb_context); |
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| 198 | ALLOC1(reg_UPT_TOP ,uint32_t ,_param->_nb_context); |
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[95] | 199 | ALLOC1(reg_UPT_TOP_EVENT ,uint32_t ,_param->_nb_context); |
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[88] | 200 | ALLOC1(reg_UPT_UPDATE ,uint32_t ,_param->_nb_context); |
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| 201 | |
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| 202 | ALLOC1(reg_EVENT_STATE ,event_state_t,_param->_nb_context); |
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| 203 | ALLOC1(reg_EVENT_ADDRESS_SRC ,Taddress_t ,_param->_nb_context); |
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[94] | 204 | ALLOC1(reg_EVENT_ADDRESS_DEST_VAL ,Tcontrol_t ,_param->_nb_context); |
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[88] | 205 | ALLOC1(reg_EVENT_ADDRESS_DEST ,Taddress_t ,_param->_nb_context); |
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[81] | 206 | } |
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[88] | 207 | |
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[78] | 208 | // ~~~~~[ Component ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 209 | |
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| 210 | #ifdef POSITION |
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[88] | 211 | if (usage_is_set(_usage,USE_POSITION)) |
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| 212 | _component->generate_file(); |
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[78] | 213 | #endif |
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| 214 | |
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| 215 | log_printf(FUNC,Update_Prediction_Table,FUNCTION,"End"); |
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| 216 | }; |
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| 217 | |
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| 218 | }; // end namespace update_prediction_table |
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| 219 | }; // end namespace prediction_unit |
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| 220 | }; // end namespace front_end |
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| 221 | }; // end namespace multi_front_end |
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| 222 | }; // end namespace core |
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| 223 | |
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| 224 | }; // end namespace behavioural |
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| 225 | }; // end namespace morpheo |
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