1 | /* |
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2 | * $Id: Update_Prediction_Table_allocation.cpp 82 2008-05-01 16:48:45Z 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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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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65 | ALLOC1_SIGNAL_IN ( in_PREDICT_BTB_ADDRESS_SRC ,"btb_address_src" ,Taddress_t ,_param->_size_address); |
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66 | ALLOC1_SIGNAL_IN ( in_PREDICT_BTB_ADDRESS_DEST ,"btb_address_dest" ,Taddress_t ,_param->_size_address); |
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67 | ALLOC1_SIGNAL_IN ( in_PREDICT_BTB_CONDITION ,"btb_condition" ,Tbranch_condition_t,_param->_size_branch_condition); |
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68 | ALLOC1_SIGNAL_IN ( in_PREDICT_BTB_LAST_TAKE ,"btb_last_take" ,Tcontrol_t ,1); |
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69 | ALLOC1_SIGNAL_IN ( in_PREDICT_BTB_IS_ACCURATE ,"btb_is_accurate" ,Tcontrol_t ,1); |
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70 | ALLOC1_SIGNAL_IN ( in_PREDICT_DIR_HISTORY ,"dir_history" ,Thistory_t ,_param->_size_history); |
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71 | ALLOC1_SIGNAL_IN ( in_PREDICT_RAS_ADDRESS ,"ras_address" ,Taddress_t ,_param->_size_address); |
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72 | ALLOC1_SIGNAL_IN ( in_PREDICT_RAS_INDEX ,"ras_index" ,Tptr_t ,_param->_max_size_ras_index); |
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73 | // ALLOC1_SIGNAL_OUT(out_PREDICT_UPDATE_PREDICTION_ID,"update_prediction_id",Tprediction_ptr_t ,_param->_size_depth); |
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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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78 | ALLOC1_INTERFACE("decod", IN,SOUTH, "decod", _param->_nb_inst_predict); |
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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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83 | ALLOC1_SIGNAL_IN ( in_DECOD_BTB_ADDRESS_SRC ,"btb_address_src" ,Taddress_t ,_param->_size_address); |
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84 | ALLOC1_SIGNAL_IN ( in_DECOD_BTB_ADDRESS_DEST ,"btb_address_dest" ,Taddress_t ,_param->_size_address); |
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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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87 | ALLOC1_SIGNAL_IN ( in_DECOD_RAS_ADDRESS ,"ras_address" ,Taddress_t ,_param->_size_address); |
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88 | ALLOC1_SIGNAL_IN ( in_DECOD_RAS_INDEX ,"ras_index" ,Tptr_t ,_param->_max_size_ras_index); |
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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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91 | ALLOC1_SIGNAL_IN ( in_DECOD_UPDATE_PREDICTION_ID,"update_prediction_id",Tprediction_ptr_t ,_param->_max_size_depth); |
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92 | // ALLOC1_SIGNAL_OUT(out_DECOD_DEPTH ,"depth" ,Tdepth_t ,_param->_size_depth); |
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93 | } |
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94 | |
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95 | // ~~~~~[ Interface : "branch_complete" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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96 | { |
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97 | ALLOC1_INTERFACE("branch_complete", IN,SOUTH, "branch_complete", _param->_nb_inst_branch_complete); |
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98 | |
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99 | ALLOC1_VALACK_IN ( in_BRANCH_COMPLETE_VAL ,VAL); |
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100 | ALLOC1_VALACK_OUT(out_BRANCH_COMPLETE_ACK ,ACK); |
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101 | ALLOC1_SIGNAL_IN ( in_BRANCH_COMPLETE_CONTEXT_ID ,"context_id" ,Tcontext_t,_param->_size_context_id); |
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102 | ALLOC1_SIGNAL_IN ( in_BRANCH_COMPLETE_DEPTH ,"depth" ,Tdepth_t ,_param->_max_size_depth); |
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103 | ALLOC1_SIGNAL_IN ( in_BRANCH_COMPLETE_ADDRESS ,"address" ,Taddress_t,_param->_size_address); |
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104 | ALLOC1_SIGNAL_IN ( in_BRANCH_COMPLETE_FLAG ,"flag" ,Tcontrol_t,1); |
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105 | ALLOC1_SIGNAL_OUT(out_BRANCH_COMPLETE_MISS_PREDICTION,"miss_prediction",Tcontrol_t,1); |
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106 | ALLOC1_SIGNAL_OUT(out_BRANCH_COMPLETE_TAKE ,"take" ,Tcontrol_t,1); |
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107 | ALLOC1_SIGNAL_OUT(out_BRANCH_COMPLETE_ADDRESS_SRC ,"address_src" ,Taddress_t,_param->_size_address); |
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108 | ALLOC1_SIGNAL_OUT(out_BRANCH_COMPLETE_ADDRESS_DEST ,"address_dest" ,Taddress_t,_param->_size_address); |
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109 | } |
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110 | |
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111 | // ~~~~~[ Interface : "branch_event" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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112 | { |
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113 | ALLOC1_INTERFACE("branch_event", IN,SOUTH, "branch_event", _param->_nb_context); |
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114 | |
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115 | ALLOC1_VALACK_OUT(out_BRANCH_EVENT_VAL ,VAL); |
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116 | ALLOC1_VALACK_IN ( in_BRANCH_EVENT_ACK ,ACK); |
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117 | // ALLOC1_SIGNAL_OUT(out_BRANCH_EVENT_CONTEXT_ID ,"context_id" ,Tcontext_t,_param->_size_context_id); |
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118 | // ALLOC1_SIGNAL_OUT(out_BRANCH_EVENT_DEPTH ,"depth" ,Tdepth_t ,_param->_max_size_depth); |
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119 | // ALLOC1_SIGNAL_OUT(out_BRANCH_EVENT_MISS_PREDICTION,"miss_prediction",Tcontrol_t,1); |
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120 | ALLOC1_SIGNAL_OUT(out_BRANCH_EVENT_ADDRESS_SRC ,"address_src" ,Taddress_t,_param->_size_address); |
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121 | ALLOC1_SIGNAL_OUT(out_BRANCH_EVENT_ADDRESS_DEST ,"address_dest" ,Taddress_t,_param->_size_address); |
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122 | } |
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123 | |
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124 | // ~~~~~[ Interface : "update" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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125 | { |
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126 | ALLOC1_INTERFACE("update",OUT,SOUTH, "update", _param->_nb_inst_update); |
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127 | |
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128 | ALLOC1_VALACK_OUT(out_UPDATE_VAL ,VAL); |
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129 | ALLOC1_VALACK_IN ( in_UPDATE_ACK ,ACK); |
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130 | ALLOC1_SIGNAL_OUT(out_UPDATE_CONTEXT_ID ,"context_id" ,Tcontext_t ,_param->_size_context_id); |
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131 | ALLOC1_SIGNAL_OUT(out_UPDATE_MISS_PREDICTION ,"miss_prediction" ,Tcontrol_t ,1); |
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132 | ALLOC1_SIGNAL_OUT(out_UPDATE_DIRECTION_GOOD ,"direction_good" ,Tcontrol_t ,1); |
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133 | ALLOC1_SIGNAL_OUT(out_UPDATE_BTB_VAL ,"btb_val" ,Tcontrol_t ,1); |
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134 | ALLOC1_SIGNAL_OUT(out_UPDATE_BTB_ADDRESS_SRC ,"btb_address_src" ,Taddress_t ,_param->_size_address); |
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135 | ALLOC1_SIGNAL_OUT(out_UPDATE_BTB_ADDRESS_DEST ,"btb_address_dest" ,Taddress_t ,_param->_size_address); |
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136 | ALLOC1_SIGNAL_OUT(out_UPDATE_BTB_CONDITION ,"btb_condition" ,Tbranch_condition_t,_param->_size_branch_condition); |
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137 | ALLOC1_SIGNAL_OUT(out_UPDATE_DIR_VAL ,"dir_val" ,Tcontrol_t ,1); |
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138 | ALLOC1_SIGNAL_OUT(out_UPDATE_DIR_HISTORY ,"dir_history" ,Thistory_t ,_param->_size_history); |
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139 | ALLOC1_SIGNAL_OUT(out_UPDATE_RAS_VAL ,"ras_val" ,Tcontrol_t ,1); |
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140 | ALLOC1_SIGNAL_OUT(out_UPDATE_RAS_PUSH ,"ras_push" ,Tcontrol_t ,1); |
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141 | ALLOC1_SIGNAL_OUT(out_UPDATE_RAS_ADDRESS ,"ras_address" ,Taddress_t ,_param->_size_address); |
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142 | ALLOC1_SIGNAL_OUT(out_UPDATE_RAS_INDEX ,"ras_index" ,Tptr_t ,_param->_max_size_ras_index); |
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143 | ALLOC1_SIGNAL_OUT(out_UPDATE_RAS_PREDICTION_IFETCH,"ras_prediction_ifetch",Tcontrol_t ,1); |
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144 | } |
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145 | |
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146 | // ~~~~~[ Interface : "depth" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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147 | { |
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148 | ALLOC1_INTERFACE("depth",OUT,SOUTH, "depth", _param->_nb_context); |
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149 | |
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150 | ALLOC1_SIGNAL_OUT(out_DEPTH_TAIL ,"TAIL" ,Tdepth_t,_param->_size_depth[alloc_signal_it1]); |
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151 | ALLOC1_SIGNAL_OUT(out_DEPTH_NB_BRANCH,"NB_BRANCH",Tdepth_t,_param->_size_depth[alloc_signal_it1]+1); |
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152 | } |
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153 | |
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154 | // ~~~~~[ Internal ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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155 | internal_PREDICT_ACK = new Tcontrol_t [_param->_nb_inst_predict]; |
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156 | internal_DECOD_ACK = new Tcontrol_t [_param->_nb_inst_decod]; |
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157 | internal_BRANCH_COMPLETE_ACK = new Tcontrol_t [_param->_nb_inst_branch_complete]; |
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158 | internal_BRANCH_COMPLETE_MISS_PREDICTION = new Tcontrol_t [_param->_nb_inst_branch_complete]; |
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159 | internal_BRANCH_COMPLETE_TAKE = new Tcontrol_t [_param->_nb_inst_branch_complete]; |
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160 | internal_BRANCH_COMPLETE_ADDRESS_DEST = new Taddress_t [_param->_nb_inst_branch_complete]; |
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161 | internal_BRANCH_EVENT_VAL = new Tcontrol_t [_param->_nb_context]; |
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162 | internal_BRANCH_EVENT_DEPTH = new Tdepth_t [_param->_nb_context]; |
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163 | internal_UPDATE_VAL = new Tcontrol_t [_param->_nb_inst_update]; |
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164 | internal_UPDATE_CONTEXT_ID = new Tcontext_t [_param->_nb_inst_update]; |
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165 | internal_UPDATE_DEPTH = new Tdepth_t [_param->_nb_inst_update]; |
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166 | |
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167 | // ~~~~~[ Register ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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168 | reg_TOP = new uint32_t [_param->_nb_context]; |
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169 | reg_BOTTOM = new uint32_t [_param->_nb_context]; |
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170 | reg_NB_ELT = new uint32_t [_param->_nb_context]; |
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171 | reg_NB_ELT_UPDATE = new uint32_t [_param->_nb_context]; |
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172 | reg_NB_ELT_NEED_UPDATE = new uint32_t [_param->_nb_context]; |
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173 | reg_UPDATE_PREDICTION_TABLE = new entry_t * [_param->_nb_context]; |
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174 | for (uint32_t i=0; i<_param->_nb_context; i++) |
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175 | { |
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176 | #ifndef NO_INIT |
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177 | reg_TOP [i] = 0; |
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178 | #endif |
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179 | reg_UPDATE_PREDICTION_TABLE [i] = new entry_t [_param->_size_queue[i]]; |
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180 | } |
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181 | // ~~~~~[ Component ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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182 | |
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183 | #ifdef POSITION |
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184 | _component->generate_file(); |
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185 | #endif |
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186 | |
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187 | log_printf(FUNC,Update_Prediction_Table,FUNCTION,"End"); |
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188 | }; |
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189 | |
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190 | }; // end namespace update_prediction_table |
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191 | }; // end namespace prediction_unit |
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192 | }; // end namespace front_end |
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193 | }; // end namespace multi_front_end |
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194 | }; // end namespace core |
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195 | |
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196 | }; // end namespace behavioural |
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197 | }; // end namespace morpheo |
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