1 | #ifdef SYSTEMC |
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2 | /* |
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3 | * $Id: Branch_History_Table_allocation.cpp 81 2008-04-15 18:40:01Z rosiere $ |
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4 | * |
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5 | * [ Description ] |
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6 | * |
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7 | */ |
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8 | |
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9 | #include "Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Direction/Meta_Predictor/Two_Level_Branch_Predictor/Branch_History_Table/include/Branch_History_Table.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 direction { |
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18 | |
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19 | namespace meta_predictor { |
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20 | namespace two_level_branch_predictor { |
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21 | namespace branch_history_table { |
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22 | |
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23 | |
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24 | void Branch_History_Table::allocation (void) |
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25 | { |
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26 | _component = new Component (); |
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27 | |
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28 | Entity * entity = _component->set_entity (_name |
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29 | ,"Branch_History_Table" |
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30 | #ifdef POSITION |
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31 | ,MIXTE |
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32 | #endif |
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33 | ); |
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34 | |
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35 | _interfaces = entity->set_interfaces(); |
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36 | |
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37 | // ~~~~~[ Interface : "" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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38 | { |
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39 | Interface * interface = _interfaces->set_interface("" |
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40 | #ifdef POSITION |
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41 | , IN |
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42 | , SOUTH |
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43 | , "Generalist interface" |
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44 | #endif |
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45 | ); |
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46 | |
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47 | in_CLOCK = interface->set_signal_clk ("clock" ,1); |
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48 | in_NRESET = interface->set_signal_in <Tcontrol_t> ("nreset",1,RESET_VHDL_YES); |
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49 | } |
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50 | |
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51 | // ~~~~~[ Interface : "predict" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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52 | in_PREDICT_VAL = new SC_IN (Tcontrol_t) * [_param._nb_prediction]; |
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53 | out_PREDICT_ACK = new SC_OUT(Tcontrol_t) * [_param._nb_prediction]; |
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54 | in_PREDICT_ADDRESS = new SC_IN (Taddress_t) * [_param._nb_prediction]; |
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55 | out_PREDICT_HISTORY = new SC_OUT(Thistory_t) * [_param._nb_prediction]; |
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56 | |
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57 | for (uint32_t i=0; i<_param._nb_prediction; i++) |
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58 | { |
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59 | Interface_fifo * interface = _interfaces->set_interface("predict_"+toString(i) |
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60 | #ifdef POSITION |
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61 | , IN |
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62 | , WEST |
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63 | , "Interface Predict" |
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64 | #endif |
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65 | ); |
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66 | |
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67 | in_PREDICT_VAL [i] = interface->set_signal_valack_in ("val" , VAL); |
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68 | out_PREDICT_ACK [i] = interface->set_signal_valack_out ("ack" , ACK); |
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69 | in_PREDICT_ADDRESS [i] = interface->set_signal_in <Taddress_t> ("address", static_cast<uint32_t>(ceil(log2(_param._nb_shifter)))); |
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70 | out_PREDICT_HISTORY [i] = interface->set_signal_out <Thistory_t> ("history", _param._size_shifter); |
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71 | } |
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72 | |
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73 | // ~~~~~[ Interface : "branch_complete" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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74 | |
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75 | in_BRANCH_COMPLETE_VAL = new SC_IN (Tcontrol_t) * [_param._nb_branch_complete]; |
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76 | out_BRANCH_COMPLETE_ACK = new SC_OUT (Tcontrol_t) * [_param._nb_branch_complete]; |
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77 | in_BRANCH_COMPLETE_ADDRESS = new SC_IN (Taddress_t) * [_param._nb_branch_complete]; |
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78 | in_BRANCH_COMPLETE_HISTORY = new SC_IN (Thistory_t) * [_param._nb_branch_complete]; |
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79 | in_BRANCH_COMPLETE_DIRECTION = new SC_IN (Tcontrol_t) * [_param._nb_branch_complete]; |
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80 | |
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81 | for (uint32_t i=0; i<_param._nb_branch_complete; i++) |
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82 | { |
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83 | Interface_fifo * interface = _interfaces->set_interface("branch_complete_"+toString(i) |
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84 | #ifdef POSITION |
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85 | , IN |
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86 | , EAST |
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87 | , "Interface branch complete" |
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88 | #endif |
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89 | ); |
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90 | |
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91 | in_BRANCH_COMPLETE_VAL [i] = interface->set_signal_valack_in ("val" , VAL); |
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92 | out_BRANCH_COMPLETE_ACK [i] = interface->set_signal_valack_out ("ack" , ACK); |
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93 | in_BRANCH_COMPLETE_ADDRESS [i] = interface->set_signal_in <Taddress_t> ("address" , static_cast<uint32_t>(ceil(log2(_param._nb_shifter)))); |
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94 | in_BRANCH_COMPLETE_HISTORY [i] = interface->set_signal_in <Thistory_t> ("history" , _param._size_shifter); |
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95 | in_BRANCH_COMPLETE_DIRECTION [i] = interface->set_signal_in <Tcontrol_t> ("direction", 1); |
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96 | } |
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97 | |
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98 | // ~~~~~[ Component ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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99 | string name_component; |
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100 | |
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101 | // =====[ component_Shifter ]========================================= |
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102 | |
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103 | name_component = _name+"_Shifter"; |
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104 | |
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105 | component_Shifter = new morpheo::behavioural::generic::shifter::Shifter (name_component.c_str() |
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106 | #ifdef STATISTICS |
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107 | ,_param_statistics |
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108 | #endif |
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109 | ,*(_param._param_shifter)); |
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110 | |
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111 | _component->set_component (component_Shifter->_component |
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112 | #ifdef POSITION |
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113 | , 25 |
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114 | , 25 |
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115 | , 10 |
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116 | , 10 |
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117 | #endif |
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118 | ); |
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119 | |
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120 | // =====[ component_RegisterFile ]==================================== |
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121 | |
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122 | name_component = _name+"_RegisterFile"; |
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123 | |
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124 | component_RegisterFile = new morpheo::behavioural::generic::registerfile::registerfile_monolithic::RegisterFile_Monolithic(name_component.c_str(), |
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125 | #ifdef STATISTICS |
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126 | _param_statistics , |
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127 | #endif |
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128 | *(_param._param_registerfile)); |
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129 | |
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130 | _component->set_component (component_RegisterFile->_component |
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131 | #ifdef POSITION |
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132 | , 75 |
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133 | , 75 |
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134 | , 10 |
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135 | , 10 |
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136 | #endif |
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137 | ); |
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138 | |
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139 | // ~~~~~[ Component - Instanciation ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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140 | |
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141 | // =====[ component_RegisterFile - Instanciation ]==================== |
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142 | |
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143 | #ifdef POSITION |
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144 | _component->interface_map (_name+"_RegisterFile","", |
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145 | _name ,""); |
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146 | #endif |
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147 | |
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148 | _component->port_map(_name+"_RegisterFile", "in_CLOCK" , _name,"in_CLOCK" ); |
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149 | _component->port_map(_name+"_RegisterFile", "in_NRESET", _name,"in_NRESET"); |
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150 | |
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151 | for (uint32_t i=0; i<_param._nb_prediction; i++) |
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152 | { |
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153 | #ifdef POSITION |
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154 | _component->interface_map (_name+"_RegisterFile","read_" +toString(i), |
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155 | _name ,"predict_"+toString(i)); |
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156 | #endif |
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157 | |
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158 | _component->port_map(_name+"_RegisterFile", "in_READ_"+toString(i)+"_VAL" , _name, "in_PREDICT_"+toString(i)+"_VAL" ); |
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159 | _component->port_map(_name+"_RegisterFile","out_READ_"+toString(i)+"_ACK" , _name,"out_PREDICT_"+toString(i)+"_ACK" ); |
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160 | _component->port_map(_name+"_RegisterFile", "in_READ_"+toString(i)+"_ADDRESS", _name, "in_PREDICT_"+toString(i)+"_ADDRESS"); |
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161 | _component->port_map(_name+"_RegisterFile","out_READ_"+toString(i)+"_DATA" , _name,"out_PREDICT_"+toString(i)+"_HISTORY"); |
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162 | } |
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163 | |
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164 | for (uint32_t i=0; i<_param._nb_branch_complete; i++) |
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165 | { |
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166 | #ifdef POSITION |
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167 | _component->interface_map (_name+"_RegisterFile","write_" +toString(i), |
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168 | _name+"_Shifter" ,"shifter_"+toString(i)); |
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169 | #endif |
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170 | |
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171 | _component->port_map(_name+"_RegisterFile", "in_WRITE_"+toString(i)+"_VAL" , _name , "in_BRANCH_COMPLETE_"+toString(i)+"_VAL" ); |
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172 | _component->port_map(_name+"_RegisterFile","out_WRITE_"+toString(i)+"_ACK" , _name ,"out_BRANCH_COMPLETE_"+toString(i)+"_ACK" ); |
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173 | _component->port_map(_name+"_RegisterFile", "in_WRITE_"+toString(i)+"_ADDRESS", _name , "in_BRANCH_COMPLETE_"+toString(i)+"_ADDRESS"); |
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174 | _component->port_map(_name+"_RegisterFile", "in_WRITE_"+toString(i)+"_DATA" , _name+"_Shifter","out_SHIFTER_" +toString(i)+"_DATA"); |
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175 | } |
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176 | |
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177 | // =====[ component_Shifter - Instanciation ]========================= |
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178 | |
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179 | #if (defined(STATISTICS) || defined (VHDL_TESTBENCH)) |
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180 | |
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181 | #ifdef POSITION |
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182 | _component->interface_map (_name+"_Shifter","", |
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183 | _name ,""); |
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184 | #endif |
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185 | |
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186 | _component->port_map(_name+"_Shifter", "in_CLOCK" , _name,"in_CLOCK" ); |
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187 | _component->port_map(_name+"_Shifter", "in_NRESET", _name,"in_NRESET"); |
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188 | |
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189 | #endif |
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190 | |
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191 | for (uint32_t i=0; i<_param._nb_branch_complete; i++) |
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192 | { |
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193 | #ifdef POSITION |
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194 | _component->interface_map (_name+"_Shifter","shifter_"+toString(i), |
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195 | _name ,"branch_complete_"+toString(i)); |
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196 | |
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197 | #endif |
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198 | |
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199 | _component->port_map(_name+"_Shifter", "in_SHIFTER_" +toString(i)+"_DATA" , _name , "in_BRANCH_COMPLETE_"+toString(i)+"_HISTORY"); |
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200 | _component->port_map(_name+"_Shifter", "in_SHIFTER_" +toString(i)+"_CARRY_IN", _name , "in_BRANCH_COMPLETE_"+toString(i)+"_DIRECTION"); |
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201 | _component->port_map(_name+"_Shifter", "out_SHIFTER_"+toString(i)+"_DATA" , _name+"_RegisterFile", "in_WRITE_"+toString(i)+"_DATA"); |
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202 | } |
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203 | |
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204 | #ifdef POSITION |
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205 | _component->generate_file(); |
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206 | #endif |
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207 | }; |
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208 | |
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209 | }; // end namespace branch_history_table |
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210 | }; // end namespace two_level_branch_predictor |
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211 | }; // end namespace meta_predictor |
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212 | |
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213 | }; // end namespace core |
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214 | }; // end namespace multi_front_end |
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215 | }; // end namespace front_end |
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216 | }; // end namespace prediction_unit |
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217 | }; // end namespace direction |
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218 | |
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219 | }; // end namespace behavioural |
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220 | }; // end namespace morpheo |
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221 | #endif |
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