1 | /* |
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2 | * $Id: Branch_Target_Buffer_Register.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/Branch_Target_Buffer/Branch_Target_Buffer_Register/include/Branch_Target_Buffer_Register.h" |
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9 | |
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10 | namespace morpheo { |
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11 | namespace behavioural { |
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12 | namespace core { |
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13 | namespace multi_front_end { |
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14 | namespace front_end { |
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15 | namespace prediction_unit { |
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16 | namespace branch_target_buffer { |
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17 | namespace branch_target_buffer_register { |
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18 | |
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19 | |
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20 | #undef FUNCTION |
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21 | #define FUNCTION "Branch_Target_Buffer_Register::Branch_Target_Buffer_Register" |
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22 | Branch_Target_Buffer_Register::Branch_Target_Buffer_Register |
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23 | ( |
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24 | #ifdef SYSTEMC |
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25 | sc_module_name name, |
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26 | #else |
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27 | string name, |
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28 | #endif |
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29 | #ifdef STATISTICS |
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30 | morpheo::behavioural::Parameters_Statistics * param_statistics, |
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31 | #endif |
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32 | morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::branch_target_buffer::branch_target_buffer_register::Parameters * param, |
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33 | morpheo::behavioural::Tusage_t usage |
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34 | ): |
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35 | _name (name) |
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36 | ,_param (param) |
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37 | ,_usage (usage) |
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38 | { |
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39 | log_printf(FUNC,Branch_Target_Buffer_Register,FUNCTION,"Begin"); |
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40 | |
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41 | log_printf(INFO,Branch_Target_Buffer_Register,FUNCTION,"Allocation"); |
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42 | |
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43 | allocation ( |
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44 | #ifdef STATISTICS |
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45 | param_statistics |
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46 | #endif |
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47 | ); |
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48 | |
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49 | #ifdef STATISTICS |
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50 | if (_usage & USE_STATISTICS) |
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51 | { |
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52 | log_printf(INFO,Branch_Target_Buffer_Register,FUNCTION,"Allocation of statistics"); |
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53 | |
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54 | statistics_allocation(param_statistics); |
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55 | } |
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56 | #endif |
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57 | |
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58 | #ifdef VHDL |
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59 | if (_usage & USE_VHDL) |
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60 | { |
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61 | // generate the vhdl |
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62 | log_printf(INFO,Branch_Target_Buffer_Register,FUNCTION,"Generate the vhdl"); |
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63 | |
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64 | vhdl(); |
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65 | } |
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66 | #endif |
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67 | |
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68 | #ifdef SYSTEMC |
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69 | if (_usage & USE_SYSTEMC) |
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70 | { |
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71 | // Constant |
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72 | for (uint32_t i=0; i<_param->_nb_inst_predict; i++) |
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73 | { |
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74 | PORT_WRITE(out_PREDICT_ACK [i],1); |
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75 | } |
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76 | for (uint32_t i=0; i<_param->_nb_inst_decod; i++) |
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77 | { |
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78 | internal_DECOD_ACK [i] = 1; |
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79 | PORT_WRITE(out_DECOD_ACK [i], internal_DECOD_ACK [i]); |
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80 | } |
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81 | for (uint32_t i=0; i<_param->_nb_inst_update; i++) |
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82 | { |
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83 | internal_UPDATE_ACK [i] = 1; |
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84 | PORT_WRITE(out_UPDATE_ACK [i], internal_UPDATE_ACK [i]); |
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85 | } |
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86 | |
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87 | log_printf(INFO,Branch_Target_Buffer_Register,FUNCTION,"Method - transition"); |
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88 | |
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89 | SC_METHOD (transition); |
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90 | dont_initialize (); |
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91 | sensitive << (*(in_CLOCK)).pos(); |
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92 | |
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93 | # ifdef SYSTEMCASS_SPECIFIC |
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94 | // List dependency information |
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95 | # endif |
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96 | |
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97 | log_printf(INFO,Branch_Target_Buffer_Register,FUNCTION,"Method - genMealy_predict"); |
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98 | |
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99 | SC_METHOD (genMealy_predict); |
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100 | dont_initialize (); |
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101 | sensitive << (*(in_CLOCK)).neg(); // use internal register |
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102 | for (uint32_t i=0; i<_param->_nb_inst_predict; i++) |
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103 | { |
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104 | // sensitive << (*(in_PREDICT_VAL [i])) |
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105 | sensitive << (*(in_PREDICT_ADDRESS [i])); |
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106 | if (_param->_have_port_context_id) |
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107 | sensitive << (*(in_PREDICT_CONTEXT_ID [i])); |
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108 | } |
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109 | |
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110 | # ifdef SYSTEMCASS_SPECIFIC |
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111 | // List dependency information |
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112 | for (uint32_t i=0; i<_param->_nb_inst_predict; i++) |
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113 | for (uint32_t j=0; j<_param->_associativity; j++) |
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114 | { |
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115 | (*(out_PREDICT_HIT [i][j])) (*(in_PREDICT_ADDRESS [i])); |
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116 | if (_param->_have_port_context_id) |
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117 | (*(out_PREDICT_HIT [i][j])) (*(in_PREDICT_CONTEXT_ID [i])); |
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118 | |
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119 | (*(out_PREDICT_ADDRESS_SRC [i][j])) (*(in_PREDICT_ADDRESS [i])); |
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120 | if (_param->_have_port_context_id) |
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121 | (*(out_PREDICT_ADDRESS_SRC [i][j])) (*(in_PREDICT_CONTEXT_ID [i])); |
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122 | |
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123 | (*(out_PREDICT_ADDRESS_DEST [i][j])) (*(in_PREDICT_ADDRESS [i])); |
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124 | if (_param->_have_port_context_id) |
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125 | (*(out_PREDICT_ADDRESS_DEST [i][j])) (*(in_PREDICT_CONTEXT_ID [i])); |
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126 | |
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127 | (*(out_PREDICT_CONDITION [i][j])) (*(in_PREDICT_ADDRESS [i])); |
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128 | if (_param->_have_port_context_id) |
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129 | (*(out_PREDICT_CONDITION [i][j])) (*(in_PREDICT_CONTEXT_ID [i])); |
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130 | |
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131 | (*(out_PREDICT_LAST_TAKE [i][j])) (*(in_PREDICT_ADDRESS [i])); |
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132 | if (_param->_have_port_context_id) |
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133 | (*(out_PREDICT_LAST_TAKE [i][j])) (*(in_PREDICT_CONTEXT_ID [i])); |
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134 | |
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135 | (*(out_PREDICT_IS_ACCURATE [i][j])) (*(in_PREDICT_ADDRESS [i])); |
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136 | if (_param->_have_port_context_id) |
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137 | (*(out_PREDICT_IS_ACCURATE [i][j])) (*(in_PREDICT_CONTEXT_ID [i])); |
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138 | } |
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139 | # endif |
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140 | |
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141 | if (_param->_have_port_victim) |
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142 | { |
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143 | log_printf(INFO,Branch_Target_Buffer_Register,FUNCTION,"Method - genMealy_decod"); |
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144 | |
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145 | SC_METHOD (genMealy_decod); |
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146 | dont_initialize (); |
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147 | sensitive << (*(in_CLOCK)).neg(); // use internal register |
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148 | for (uint32_t i=0; i<_param->_nb_inst_decod; i++) |
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149 | { |
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150 | sensitive << (*(in_DECOD_VAL [i])) |
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151 | << (*(in_DECOD_ADDRESS_SRC [i])); |
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152 | if (_param->_have_port_context_id) |
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153 | sensitive << (*(in_DECOD_CONTEXT_ID [i])); |
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154 | } |
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155 | |
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156 | # ifdef SYSTEMCASS_SPECIFIC |
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157 | // List dependency information |
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158 | for (uint32_t i=0; i<_param->_nb_inst_decod; i++) |
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159 | { |
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160 | (*(out_DECOD_HIT [i])) (*(in_DECOD_VAL [i])); |
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161 | (*(out_DECOD_HIT [i])) (*(in_DECOD_ADDRESS_SRC [i])); |
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162 | if (_param->_have_port_context_id) |
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163 | (*(out_DECOD_HIT [i])) (*(in_DECOD_CONTEXT_ID [i])); |
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164 | |
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165 | (*(out_DECOD_HIT_INDEX [i])) (*(in_DECOD_VAL [i])); |
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166 | (*(out_DECOD_HIT_INDEX [i])) (*(in_DECOD_ADDRESS_SRC [i])); |
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167 | if (_param->_have_port_context_id) |
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168 | (*(out_DECOD_HIT_INDEX [i])) (*(in_DECOD_CONTEXT_ID [i])); |
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169 | } |
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170 | } |
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171 | #endif |
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172 | |
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173 | if (_param->_have_port_victim) |
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174 | { |
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175 | log_printf(INFO,Branch_Target_Buffer_Register,FUNCTION,"Method - genMealy_update"); |
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176 | |
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177 | SC_METHOD (genMealy_update); |
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178 | dont_initialize (); |
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179 | sensitive << (*(in_CLOCK)).neg(); // use internal register |
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180 | for (uint32_t i=0; i<_param->_nb_inst_update; i++) |
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181 | { |
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182 | sensitive << (*(in_UPDATE_VAL [i])) |
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183 | << (*(in_UPDATE_ADDRESS_SRC [i])); |
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184 | if (_param->_have_port_context_id) |
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185 | sensitive << (*(in_UPDATE_CONTEXT_ID [i])); |
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186 | } |
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187 | |
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188 | # ifdef SYSTEMCASS_SPECIFIC |
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189 | // List dependency information |
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190 | for (uint32_t i=0; i<_param->_nb_inst_update; i++) |
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191 | { |
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192 | (*(out_UPDATE_HIT [i])) (*(in_UPDATE_VAL [i])); |
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193 | (*(out_UPDATE_HIT [i])) (*(in_UPDATE_ADDRESS_SRC [i])); |
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194 | if (_param->_have_port_context_id) |
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195 | (*(out_UPDATE_HIT [i])) (*(in_UPDATE_CONTEXT_ID [i])); |
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196 | |
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197 | (*(out_UPDATE_HIT_INDEX [i])) (*(in_UPDATE_VAL [i])); |
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198 | (*(out_UPDATE_HIT_INDEX [i])) (*(in_UPDATE_ADDRESS_SRC [i])); |
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199 | if (_param->_have_port_context_id) |
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200 | (*(out_UPDATE_HIT_INDEX [i])) (*(in_UPDATE_CONTEXT_ID [i])); |
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201 | } |
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202 | } |
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203 | # endif |
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204 | #endif |
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205 | |
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206 | } |
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207 | log_printf(FUNC,Branch_Target_Buffer_Register,FUNCTION,"End"); |
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208 | }; |
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209 | |
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210 | #undef FUNCTION |
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211 | #define FUNCTION "Branch_Target_Buffer_Register::~Branch_Target_Buffer_Register" |
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212 | Branch_Target_Buffer_Register::~Branch_Target_Buffer_Register (void) |
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213 | { |
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214 | log_printf(FUNC,Branch_Target_Buffer_Register,FUNCTION,"Begin"); |
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215 | |
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216 | #ifdef STATISTICS |
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217 | if (_usage & USE_STATISTICS) |
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218 | { |
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219 | statistics_deallocation(); |
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220 | } |
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221 | #endif |
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222 | |
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223 | log_printf(INFO,Branch_Target_Buffer_Register,FUNCTION,"Deallocation"); |
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224 | deallocation (); |
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225 | |
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226 | log_printf(FUNC,Branch_Target_Buffer_Register,FUNCTION,"End"); |
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227 | }; |
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228 | |
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229 | }; // end namespace branch_target_buffer_register |
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230 | }; // end namespace branch_target_buffer |
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231 | }; // end namespace prediction_unit |
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232 | }; // end namespace front_end |
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233 | }; // end namespace multi_front_end |
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234 | }; // end namespace core |
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235 | |
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236 | }; // end namespace behavioural |
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237 | }; // end namespace morpheo |
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