[2] | 1 | /* |
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| 2 | * $Id$ |
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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 | #define NB_ITERATION 64 |
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| 10 | |
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| 11 | #include "Behavioural/Stage_1_Ifetch/Predictor/Meta_Predictor/Two_Level_Branch_Predictor/Two_Level_Branch_Predictor_Glue/SelfTest/include/test.h" |
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| 12 | #include "Include/BitManipulation.h" |
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| 13 | #include "Include/Test.h" |
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| 14 | |
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| 15 | void test (string name, |
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| 16 | morpheo::behavioural::stage_1_ifetch::predictor::meta_predictor::two_level_branch_predictor::two_level_branch_predictor_glue::Parameters param) |
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| 17 | { |
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| 18 | cout << "<" << name << "> : Simulation SystemC" << endl; |
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| 19 | |
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| 20 | try |
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| 21 | { |
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| 22 | cout << param.print(1); |
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| 23 | param.test(); |
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| 24 | } |
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| 25 | catch (morpheo::ErrorMorpheo & error) |
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| 26 | { |
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| 27 | cout << "<" << name << "> : " << error.what (); |
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| 28 | return; |
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| 29 | } |
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| 30 | catch (...) |
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| 31 | { |
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| 32 | cerr << "<" << name << "> : This test must generate a error" << endl; |
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| 33 | exit (EXIT_FAILURE); |
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| 34 | } |
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| 35 | Two_Level_Branch_Predictor_Glue * _Two_Level_Branch_Predictor_Glue = new Two_Level_Branch_Predictor_Glue (name.c_str(), |
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| 36 | #ifdef STATISTICS |
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| 37 | morpheo::behavioural::Parameters_Statistics(5,50), |
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| 38 | #endif |
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| 39 | param); |
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| 40 | |
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| 41 | #ifdef SYSTEMC |
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| 42 | /********************************************************************* |
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| 43 | * Déclarations des signaux |
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| 44 | *********************************************************************/ |
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| 45 | sc_clock CLOCK ("clock", 1.0, 0.5); |
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| 46 | |
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| 47 | sc_signal<Tcontrol_t> PREDICT_BHT_ACK [param._nb_prediction]; |
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| 48 | sc_signal<Tcontrol_t> PREDICT_PHT_ACK [param._nb_prediction]; |
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| 49 | sc_signal<Tcontrol_t> PREDICT_ACK [param._nb_prediction]; |
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| 50 | |
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| 51 | sc_signal<Taddress_t> PREDICT_ADDRESS [param._nb_prediction]; |
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| 52 | sc_signal<Tbht_history_t> PREDICT_BHT_HISTORY [param._nb_prediction]; |
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| 53 | sc_signal<Taddress_t> PREDICT_BHT_ADDRESS [param._nb_prediction]; |
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| 54 | sc_signal<Taddress_t> PREDICT_PHT_ADDRESS [param._nb_prediction]; |
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| 55 | |
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| 56 | sc_signal<Tcontrol_t> BRANCH_COMPLETE_BHT_ACK [param._nb_branch_complete]; |
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| 57 | sc_signal<Tcontrol_t> BRANCH_COMPLETE_PHT_ACK [param._nb_branch_complete]; |
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| 58 | sc_signal<Tcontrol_t> BRANCH_COMPLETE_ACK [param._nb_branch_complete]; |
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| 59 | sc_signal<Taddress_t> BRANCH_COMPLETE_ADDRESS [param._nb_branch_complete]; |
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| 60 | sc_signal<Tbht_history_t> BRANCH_COMPLETE_BHT_HISTORY [param._nb_branch_complete]; |
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| 61 | sc_signal<Taddress_t> BRANCH_COMPLETE_BHT_ADDRESS [param._nb_branch_complete]; |
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| 62 | sc_signal<Taddress_t> BRANCH_COMPLETE_PHT_ADDRESS [param._nb_branch_complete]; |
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| 63 | |
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| 64 | /******************************************************** |
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| 65 | * Instanciation |
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| 66 | ********************************************************/ |
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| 67 | |
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| 68 | cout << "<" << name << "> Instanciation of _Two_Level_Branch_Predictor_Glue" << endl; |
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| 69 | |
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| 70 | #if defined(STATISTICS) or defined(VHDL_TESTBENCH) |
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| 71 | (*(_Two_Level_Branch_Predictor_Glue->in_CLOCK)) (CLOCK); |
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| 72 | #endif |
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| 73 | |
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| 74 | for (uint32_t i=0; i<param._nb_prediction; i++) |
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| 75 | { |
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| 76 | if (param._have_bht) |
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| 77 | { |
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| 78 | (*(_Two_Level_Branch_Predictor_Glue-> in_PREDICT_BHT_ACK [i])) (PREDICT_BHT_ACK [i]); |
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| 79 | (*(_Two_Level_Branch_Predictor_Glue->out_PREDICT_BHT_ADDRESS [i])) (PREDICT_BHT_ADDRESS [i]); |
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| 80 | } |
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| 81 | if (param._have_bht and param._have_pht) |
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| 82 | (*(_Two_Level_Branch_Predictor_Glue-> in_PREDICT_BHT_HISTORY [i])) (PREDICT_BHT_HISTORY [i]); |
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| 83 | if (param._have_pht) |
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| 84 | { |
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| 85 | (*(_Two_Level_Branch_Predictor_Glue-> in_PREDICT_PHT_ACK [i])) (PREDICT_PHT_ACK [i]); |
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| 86 | (*(_Two_Level_Branch_Predictor_Glue->out_PREDICT_PHT_ADDRESS [i])) (PREDICT_PHT_ADDRESS [i]); |
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| 87 | } |
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| 88 | (*(_Two_Level_Branch_Predictor_Glue->out_PREDICT_ACK [i])) (PREDICT_ACK [i]); |
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| 89 | (*(_Two_Level_Branch_Predictor_Glue-> in_PREDICT_ADDRESS [i])) (PREDICT_ADDRESS [i]); |
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| 90 | } |
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| 91 | for (uint32_t i=0; i<param._nb_branch_complete; i++) |
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| 92 | { |
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| 93 | if (param._have_bht) |
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| 94 | { |
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| 95 | (*(_Two_Level_Branch_Predictor_Glue-> in_BRANCH_COMPLETE_BHT_ACK [i])) (BRANCH_COMPLETE_BHT_ACK [i]); |
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| 96 | (*(_Two_Level_Branch_Predictor_Glue->out_BRANCH_COMPLETE_BHT_ADDRESS [i])) (BRANCH_COMPLETE_BHT_ADDRESS [i]); |
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| 97 | } |
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| 98 | if (param._have_bht and param._have_pht) |
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| 99 | (*(_Two_Level_Branch_Predictor_Glue-> in_BRANCH_COMPLETE_BHT_HISTORY [i])) (BRANCH_COMPLETE_BHT_HISTORY [i]); |
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| 100 | |
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| 101 | if (param._have_pht) |
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| 102 | { |
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| 103 | (*(_Two_Level_Branch_Predictor_Glue-> in_BRANCH_COMPLETE_PHT_ACK [i])) (BRANCH_COMPLETE_PHT_ACK [i]); |
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| 104 | (*(_Two_Level_Branch_Predictor_Glue->out_BRANCH_COMPLETE_PHT_ADDRESS [i])) (BRANCH_COMPLETE_PHT_ADDRESS [i]); |
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| 105 | } |
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| 106 | (*(_Two_Level_Branch_Predictor_Glue->out_BRANCH_COMPLETE_ACK [i])) (BRANCH_COMPLETE_ACK [i]); |
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| 107 | (*(_Two_Level_Branch_Predictor_Glue-> in_BRANCH_COMPLETE_ADDRESS [i])) (BRANCH_COMPLETE_ADDRESS [i]); |
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| 108 | } |
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| 109 | |
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| 110 | /******************************************************** |
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| 111 | * Simulation - Begin |
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| 112 | ********************************************************/ |
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| 113 | |
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| 114 | cout << "<" << name << "> Start Simulation ............" << endl; |
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| 115 | // Initialisation |
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| 116 | |
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| 117 | Tcontrol_t predict_bht_ack; |
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| 118 | Tcontrol_t predict_pht_ack; |
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| 119 | |
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| 120 | Tcontrol_t branch_complete_bht_ack; |
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| 121 | Tcontrol_t branch_complete_pht_ack; |
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| 122 | |
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| 123 | srand(0); |
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| 124 | //srand(time(NULL)); |
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| 125 | |
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| 126 | sc_start(0); |
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| 127 | _Two_Level_Branch_Predictor_Glue->vhdl_testbench_label("Initialisation"); |
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| 128 | cout << "{"+toString(static_cast<uint32_t>(sc_simulation_time()))+"} Initialisation" << endl; |
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| 129 | |
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| 130 | |
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| 131 | _Two_Level_Branch_Predictor_Glue->vhdl_testbench_label("Test ack"); |
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| 132 | cout << "{"+toString(static_cast<uint32_t>(sc_simulation_time()))+"} Test ack" << endl; |
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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 | _Two_Level_Branch_Predictor_Glue->vhdl_testbench_label("Iteration "+toString(iteration)); |
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| 137 | |
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| 138 | // Branch History Table |
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| 139 | if (param._have_bht) |
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| 140 | { |
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| 141 | predict_bht_ack = (rand()%2)!=0; |
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| 142 | branch_complete_bht_ack = (rand()%2)!=0; |
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| 143 | |
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| 144 | } |
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| 145 | else |
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| 146 | { |
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| 147 | predict_bht_ack = 1; |
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| 148 | branch_complete_bht_ack = 1; |
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| 149 | } |
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| 150 | |
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| 151 | // Pattern History Table |
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| 152 | if (param._have_pht) |
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| 153 | { |
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| 154 | predict_pht_ack = (rand()%2)!=0; |
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| 155 | branch_complete_pht_ack = (rand()%2)!=0; |
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| 156 | } |
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| 157 | else |
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| 158 | { |
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| 159 | predict_pht_ack = 1; |
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| 160 | branch_complete_pht_ack = 1; |
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| 161 | } |
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| 162 | |
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| 163 | for (uint32_t i=0; i<param._nb_prediction; i++) |
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| 164 | { |
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| 165 | PREDICT_BHT_ACK [i] .write(predict_bht_ack); |
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| 166 | PREDICT_PHT_ACK [i] .write(predict_pht_ack); |
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| 167 | } |
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| 168 | |
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| 169 | for (uint32_t i=0; i<param._nb_branch_complete; i++) |
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| 170 | { |
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| 171 | BRANCH_COMPLETE_BHT_ACK [i] .write(branch_complete_bht_ack); |
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| 172 | BRANCH_COMPLETE_PHT_ACK [i] .write(branch_complete_pht_ack); |
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| 173 | } |
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| 174 | |
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| 175 | sc_start(0); |
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| 176 | |
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| 177 | // Test result |
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| 178 | for (uint32_t i=0; i<param._nb_prediction; i++) |
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| 179 | TEST(Tcontrol_t,(predict_pht_ack & predict_bht_ack),PREDICT_ACK [i].read()); |
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| 180 | |
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| 181 | for (uint32_t i=0; i<param._nb_branch_complete; i++) |
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| 182 | TEST(Tcontrol_t,(branch_complete_pht_ack & branch_complete_bht_ack),BRANCH_COMPLETE_ACK [i].read()); |
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| 183 | |
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| 184 | sc_start(1); |
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| 185 | } |
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| 186 | |
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| 187 | Taddress_t predict_address; |
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| 188 | Tbht_history_t predict_bht_history; |
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| 189 | Taddress_t branch_complete_address; |
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| 190 | Tbht_history_t branch_complete_bht_history; |
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| 191 | |
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| 192 | |
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| 193 | _Two_Level_Branch_Predictor_Glue->vhdl_testbench_label("Test address"); |
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| 194 | cout << "{"+toString(static_cast<uint32_t>(sc_simulation_time()))+"} Test address" << endl; |
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| 195 | |
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| 196 | for (uint32_t iteration=0; iteration<NB_ITERATION; iteration ++) |
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| 197 | { |
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| 198 | _Two_Level_Branch_Predictor_Glue->vhdl_testbench_label("Iteration "+toString(iteration)); |
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| 199 | |
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| 200 | predict_address = rand()%(1<<param._size_address ); |
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| 201 | predict_bht_history = 0; |
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| 202 | branch_complete_address = rand()%(1<<param._size_address ); |
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| 203 | branch_complete_bht_history = 0; |
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| 204 | |
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| 205 | for (uint32_t i=0; i<param._nb_prediction; i++) |
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| 206 | PREDICT_ADDRESS [i].write (predict_address); |
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| 207 | for (uint32_t i=0; i<param._nb_branch_complete; i++) |
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| 208 | BRANCH_COMPLETE_ADDRESS [i].write (branch_complete_address); |
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| 209 | |
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| 210 | // Branch History Table |
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| 211 | if (param._have_bht and param._have_pht) |
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| 212 | { |
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| 213 | predict_bht_history = rand()%(1<<param._bht_size_history); |
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| 214 | branch_complete_bht_history = rand()%(1<<param._bht_size_history); |
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| 215 | |
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| 216 | for (uint32_t i=0; i<param._nb_prediction; i++) |
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| 217 | PREDICT_BHT_HISTORY [i].write(predict_bht_history); |
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| 218 | for (uint32_t i=0; i<param._nb_branch_complete; i++) |
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| 219 | BRANCH_COMPLETE_BHT_HISTORY [i].write(branch_complete_bht_history); |
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| 220 | } |
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| 221 | |
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| 222 | sc_start(0); |
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| 223 | |
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| 224 | // Branch History Table |
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| 225 | if (param._have_bht) |
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| 226 | { |
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| 227 | for (uint32_t i=0; i<param._nb_prediction; i++) |
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| 228 | TEST(Taddress_t,PREDICT_BHT_ADDRESS [i].read(),(predict_address & gen_mask<Taddress_t>(param._bht_size_address))); |
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| 229 | |
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| 230 | for (uint32_t i=0; i<param._nb_branch_complete; i++) |
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| 231 | TEST(Taddress_t,BRANCH_COMPLETE_BHT_ADDRESS [i].read(),(branch_complete_address & gen_mask<Taddress_t>(param._bht_size_address))); |
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| 232 | } |
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| 233 | |
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| 234 | // Pattern History Table |
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| 235 | if (param._have_pht) |
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| 236 | { |
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| 237 | uint32_t shift = (param._have_bht==false)?0:(param._pht_size_address_shift); |
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| 238 | |
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| 239 | for (uint32_t i=0; i<param._nb_prediction; i++) |
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| 240 | TEST(Taddress_t,PREDICT_PHT_ADDRESS [i].read(),(((predict_address << shift) xor predict_bht_history) & gen_mask<Taddress_t>(param._pht_size_address))); |
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| 241 | for (uint32_t i=0; i<param._nb_branch_complete; i++) |
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| 242 | TEST(Taddress_t,BRANCH_COMPLETE_PHT_ADDRESS [i].read(), (((branch_complete_address << shift) xor branch_complete_bht_history) & gen_mask<Taddress_t>(param._pht_size_address))); |
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| 243 | } |
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| 244 | |
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| 245 | sc_start(1); |
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| 246 | } |
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| 247 | /******************************************************** |
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| 248 | * Simulation - End |
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| 249 | ********************************************************/ |
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| 250 | |
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| 251 | cout << "<" << name << "> ............ Stop Simulation" << endl; |
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| 252 | |
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| 253 | #endif |
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| 254 | |
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| 255 | delete _Two_Level_Branch_Predictor_Glue; |
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| 256 | } |
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