1 | /* |
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2 | * $Id: test.cpp 112 2009-03-18 22:36:26Z rosiere $ |
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3 | * |
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4 | * [ Description ] |
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5 | * |
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6 | * Test |
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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/SelfTest/include/test.h" |
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10 | #include "Behavioural/include/Allocation.h" |
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11 | |
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12 | void test (string name, |
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13 | morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::direction::meta_predictor::two_level_branch_predictor::Parameters * _param) |
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14 | { |
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15 | msg(_("<%s> : Simulation SystemC.\n"),name.c_str()); |
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16 | |
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17 | if (setlocale (LC_ALL, "") == NULL) |
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18 | msg(_("setlocale ko.\n")); |
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19 | |
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20 | #ifdef STATISTICS |
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21 | morpheo::behavioural::Parameters_Statistics * _parameters_statistics = new morpheo::behavioural::Parameters_Statistics (5,CYCLE_MAX); |
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22 | #endif |
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23 | |
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24 | Tusage_t _usage = USE_ALL; |
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25 | |
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26 | // _usage = usage_unset(_usage,USE_SYSTEMC ); |
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27 | // _usage = usage_unset(_usage,USE_VHDL ); |
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28 | // _usage = usage_unset(_usage,USE_VHDL_TESTBENCH ); |
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29 | // _usage = usage_unset(_usage,USE_VHDL_TESTBENCH_ASSERT); |
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30 | // _usage = usage_unset(_usage,USE_POSITION ); |
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31 | // _usage = usage_unset(_usage,USE_STATISTICS ); |
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32 | // _usage = usage_unset(_usage,USE_INFORMATION ); |
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33 | |
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34 | Two_Level_Branch_Predictor * _Two_Level_Branch_Predictor = new Two_Level_Branch_Predictor |
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35 | (name.c_str(), |
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36 | #ifdef STATISTICS |
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37 | _parameters_statistics, |
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38 | #endif |
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39 | _param, |
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40 | _usage); |
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41 | |
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42 | #ifdef SYSTEMC |
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43 | if (usage_is_set(_usage,USE_SYSTEMC)) |
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44 | { |
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45 | /********************************************************************* |
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46 | * Déclarations des signaux |
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47 | *********************************************************************/ |
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48 | string rename; |
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49 | |
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50 | sc_clock * in_CLOCK = new sc_clock ("clock", 1.0, 0.5); |
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51 | sc_signal<Tcontrol_t> * in_NRESET = new sc_signal<Tcontrol_t> ("NRESET"); |
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52 | |
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53 | ALLOC1_SC_SIGNAL( in_PREDICT_VAL ," in_PREDICT_VAL ",Tcontrol_t,_param->_nb_inst_predict); |
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54 | ALLOC1_SC_SIGNAL(out_PREDICT_ACK ,"out_PREDICT_ACK ",Tcontrol_t,_param->_nb_inst_predict); |
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55 | ALLOC1_SC_SIGNAL( in_PREDICT_ADDRESS ," in_PREDICT_ADDRESS ",Taddress_t,_param->_nb_inst_predict); |
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56 | ALLOC1_SC_SIGNAL(out_PREDICT_DIRECTION ,"out_PREDICT_DIRECTION ",Tcontrol_t,_param->_nb_inst_predict); |
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57 | ALLOC1_SC_SIGNAL(out_PREDICT_HISTORY ,"out_PREDICT_HISTORY ",Thistory_t,_param->_nb_inst_predict); |
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58 | ALLOC1_SC_SIGNAL( in_PREDICT_DIRECTION_VAL," in_PREDICT_DIRECTION_VAL",Tcontrol_t,_param->_nb_inst_predict); |
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59 | ALLOC1_SC_SIGNAL( in_PREDICT_DIRECTION ," in_PREDICT_DIRECTION ",Tcontrol_t,_param->_nb_inst_predict); |
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60 | |
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61 | ALLOC1_SC_SIGNAL( in_UPDATE_VAL ," in_UPDATE_VAL ",Tcontrol_t,_param->_nb_inst_update); |
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62 | ALLOC1_SC_SIGNAL(out_UPDATE_ACK ,"out_UPDATE_ACK ",Tcontrol_t,_param->_nb_inst_update); |
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63 | ALLOC1_SC_SIGNAL( in_UPDATE_ADDRESS ," in_UPDATE_ADDRESS ",Taddress_t,_param->_nb_inst_update); |
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64 | ALLOC1_SC_SIGNAL( in_UPDATE_HISTORY ," in_UPDATE_HISTORY ",Thistory_t,_param->_nb_inst_update); |
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65 | ALLOC1_SC_SIGNAL( in_UPDATE_HISTORY_VAL ," in_UPDATE_HISTORY_VAL ",Tcontrol_t,_param->_nb_inst_update); |
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66 | ALLOC1_SC_SIGNAL( in_UPDATE_DIRECTION ," in_UPDATE_DIRECTION ",Tcontrol_t,_param->_nb_inst_update); |
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67 | ALLOC1_SC_SIGNAL( in_UPDATE_MISS ," in_UPDATE_MISS ",Tcontrol_t,_param->_nb_inst_update); |
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68 | |
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69 | /******************************************************** |
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70 | * Instanciation |
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71 | ********************************************************/ |
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72 | |
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73 | msg(_("<%s> : Instanciation of _Two_Level_Branch_Predictor.\n"),name.c_str()); |
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74 | |
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75 | (*(_Two_Level_Branch_Predictor->in_CLOCK)) (*(in_CLOCK)); |
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76 | (*(_Two_Level_Branch_Predictor->in_NRESET)) (*(in_NRESET)); |
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77 | |
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78 | INSTANCE1_SC_SIGNAL(_Two_Level_Branch_Predictor, in_PREDICT_VAL ,_param->_nb_inst_predict); |
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79 | INSTANCE1_SC_SIGNAL(_Two_Level_Branch_Predictor,out_PREDICT_ACK ,_param->_nb_inst_predict); |
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80 | INSTANCE1_SC_SIGNAL(_Two_Level_Branch_Predictor, in_PREDICT_ADDRESS ,_param->_nb_inst_predict); |
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81 | INSTANCE1_SC_SIGNAL(_Two_Level_Branch_Predictor,out_PREDICT_DIRECTION ,_param->_nb_inst_predict); |
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82 | INSTANCE1_SC_SIGNAL(_Two_Level_Branch_Predictor,out_PREDICT_HISTORY ,_param->_nb_inst_predict); |
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83 | if (_param->_update_on_prediction) |
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84 | { |
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85 | INSTANCE1_SC_SIGNAL(_Two_Level_Branch_Predictor, in_PREDICT_DIRECTION_VAL,_param->_nb_inst_predict); |
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86 | INSTANCE1_SC_SIGNAL(_Two_Level_Branch_Predictor, in_PREDICT_DIRECTION ,_param->_nb_inst_predict); |
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87 | } |
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88 | |
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89 | INSTANCE1_SC_SIGNAL(_Two_Level_Branch_Predictor, in_UPDATE_VAL ,_param->_nb_inst_update); |
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90 | INSTANCE1_SC_SIGNAL(_Two_Level_Branch_Predictor,out_UPDATE_ACK ,_param->_nb_inst_update); |
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91 | INSTANCE1_SC_SIGNAL(_Two_Level_Branch_Predictor, in_UPDATE_ADDRESS ,_param->_nb_inst_update); |
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92 | INSTANCE1_SC_SIGNAL(_Two_Level_Branch_Predictor, in_UPDATE_HISTORY ,_param->_nb_inst_update); |
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93 | INSTANCE1_SC_SIGNAL(_Two_Level_Branch_Predictor, in_UPDATE_HISTORY_VAL ,_param->_nb_inst_update); |
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94 | INSTANCE1_SC_SIGNAL(_Two_Level_Branch_Predictor, in_UPDATE_DIRECTION ,_param->_nb_inst_update); |
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95 | if (_param->_update_on_prediction) |
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96 | INSTANCE1_SC_SIGNAL(_Two_Level_Branch_Predictor, in_UPDATE_MISS ,_param->_nb_inst_update); |
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97 | |
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98 | msg(_("<%s> : Start Simulation ............\n"),name.c_str()); |
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99 | |
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100 | Time * _time = new Time(); |
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101 | |
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102 | /******************************************************** |
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103 | * Simulation - Begin |
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104 | ********************************************************/ |
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105 | |
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106 | // Initialisation |
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107 | |
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108 | const uint32_t seed = 0; |
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109 | //const uint32_t seed = static_cast<uint32_t>(time(NULL)); |
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110 | |
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111 | srand(seed); |
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112 | |
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113 | const int32_t percent_transaction_predict = 75; |
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114 | const int32_t percent_transaction_update = 75; |
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115 | |
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116 | SC_START(0); |
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117 | LABEL("Initialisation"); |
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118 | |
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119 | for (uint32_t i=0; i<_param->_nb_inst_predict; ++i) |
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120 | in_PREDICT_VAL [i]->write(0); |
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121 | for (uint32_t i=0; i<_param->_nb_inst_update; ++i) |
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122 | in_UPDATE_VAL [i]->write(0); |
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123 | |
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124 | LABEL("Reset"); |
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125 | in_NRESET->write(0); |
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126 | SC_START(5); |
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127 | in_NRESET->write(1); |
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128 | |
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129 | LABEL("Loop of Test"); |
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130 | |
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131 | Thistory_t bht; |
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132 | Thistory_t pht [_param->_pht_size_bank]; |
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133 | |
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134 | for (uint32_t iteration=0; iteration<NB_ITERATION; iteration ++) |
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135 | { |
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136 | LABEL("Iteration %d",iteration); |
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137 | |
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138 | uint32_t bht_num_reg = (_param->_have_bht)?(rand()%_param->_bht_nb_shifter):0; |
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139 | uint32_t pht_num_bank = (_param->_have_pht)?(rand()%_param->_pht_nb_bank ):0; |
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140 | |
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141 | LABEL(" * bht_num_reg : %d",bht_num_reg ); |
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142 | LABEL(" * pht_num_bank : %d",pht_num_bank); |
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143 | |
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144 | { |
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145 | LABEL("Init BHT and PHT"); |
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146 | |
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147 | bht = 0; |
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148 | for (uint32_t i=0; i<_param->_pht_size_bank; ++i) |
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149 | pht [i] = 0; |
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150 | |
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151 | uint32_t port = rand()%_param->_nb_inst_update; |
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152 | |
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153 | if (_param->_have_bht) |
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154 | { |
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155 | bool find = false; |
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156 | while (not find) |
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157 | { |
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158 | bool val = ((rand()%2)<percent_transaction_update); |
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159 | in_UPDATE_VAL [port]->write(val); |
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160 | in_UPDATE_DIRECTION [port]->write(0); |
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161 | |
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162 | if (_param->_update_on_prediction) |
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163 | in_UPDATE_MISS [port]->write(1); // miss |
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164 | in_UPDATE_HISTORY [port]->write(0); |
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165 | in_UPDATE_HISTORY_VAL [port]->write(0); |
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166 | in_UPDATE_ADDRESS [port]->write(bht_num_reg); |
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167 | |
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168 | SC_START(0); |
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169 | |
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170 | if (val and out_UPDATE_ACK [port]->read()) |
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171 | { |
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172 | LABEL("UPDATE[%d] - Transaction accepted",port); |
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173 | find = true; |
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174 | } |
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175 | |
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176 | SC_START(1); |
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177 | } |
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178 | in_UPDATE_VAL [port]->write(0); |
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179 | } |
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180 | |
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181 | if (_param->_have_pht) |
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182 | { |
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183 | for (uint32_t i=0; i<_param->_pht_size_bank; ++i) |
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184 | { |
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185 | bool find = false; |
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186 | |
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187 | while (not find) |
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188 | { |
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189 | bool val = ((rand()%2)<percent_transaction_update); |
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190 | in_UPDATE_VAL [port]->write(val); |
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191 | in_UPDATE_DIRECTION [port]->write(0); |
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192 | |
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193 | if (_param->_update_on_prediction) |
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194 | in_UPDATE_MISS [port]->write(1); // miss |
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195 | in_UPDATE_HISTORY [port]->write(i<<_param->_bht_history_rshift); |
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196 | in_UPDATE_HISTORY_VAL [port]->write(1); |
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197 | in_UPDATE_ADDRESS [port]->write(pht_num_bank<<_param->_pht_address_bank_rshift); |
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198 | |
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199 | SC_START(0); |
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200 | |
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201 | if (val and out_UPDATE_ACK [port]->read()) |
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202 | { |
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203 | LABEL("UPDATE[%d] - Transaction accepted",port); |
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204 | find = true; |
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205 | } |
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206 | |
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207 | SC_START(1); |
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208 | } |
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209 | in_UPDATE_VAL [port]->write(0); |
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210 | } |
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211 | } |
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212 | } |
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213 | |
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214 | // if (1) |
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215 | // { |
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216 | // LABEL("Saturation all PHT"); |
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217 | |
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218 | // } |
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219 | |
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220 | SC_START(1); |
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221 | } |
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222 | |
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223 | /******************************************************** |
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224 | * Simulation - End |
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225 | ********************************************************/ |
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226 | |
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227 | TEST_OK ("End of Simulation"); |
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228 | delete _time; |
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229 | |
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230 | msg(_("<%s> : ............ Stop Simulation\n"),name.c_str()); |
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231 | |
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232 | delete in_CLOCK; |
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233 | delete in_NRESET; |
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234 | |
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235 | DELETE1_SC_SIGNAL( in_PREDICT_VAL ,_param->_nb_inst_predict); |
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236 | DELETE1_SC_SIGNAL(out_PREDICT_ACK ,_param->_nb_inst_predict); |
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237 | DELETE1_SC_SIGNAL( in_PREDICT_ADDRESS ,_param->_nb_inst_predict); |
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238 | DELETE1_SC_SIGNAL(out_PREDICT_DIRECTION ,_param->_nb_inst_predict); |
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239 | DELETE1_SC_SIGNAL(out_PREDICT_HISTORY ,_param->_nb_inst_predict); |
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240 | DELETE1_SC_SIGNAL( in_PREDICT_DIRECTION_VAL,_param->_nb_inst_predict); |
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241 | DELETE1_SC_SIGNAL( in_PREDICT_DIRECTION ,_param->_nb_inst_predict); |
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242 | |
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243 | DELETE1_SC_SIGNAL( in_UPDATE_VAL ,_param->_nb_inst_update); |
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244 | DELETE1_SC_SIGNAL(out_UPDATE_ACK ,_param->_nb_inst_update); |
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245 | DELETE1_SC_SIGNAL( in_UPDATE_ADDRESS ,_param->_nb_inst_update); |
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246 | DELETE1_SC_SIGNAL( in_UPDATE_HISTORY ,_param->_nb_inst_update); |
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247 | DELETE1_SC_SIGNAL( in_UPDATE_HISTORY_VAL ,_param->_nb_inst_update); |
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248 | DELETE1_SC_SIGNAL( in_UPDATE_DIRECTION ,_param->_nb_inst_update); |
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249 | DELETE1_SC_SIGNAL( in_UPDATE_MISS ,_param->_nb_inst_update); |
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250 | } |
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251 | #endif |
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252 | |
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253 | delete _Two_Level_Branch_Predictor; |
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254 | #ifdef STATISTICS |
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255 | delete _parameters_statistics; |
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256 | #endif |
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257 | } |
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