[78] | 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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[82] | 141 | if (_param->_have_port_victim) |
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| 142 | { |
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[78] | 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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[82] | 170 | } |
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[78] | 171 | #endif |
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| 172 | |
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[82] | 173 | if (_param->_have_port_victim) |
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| 174 | { |
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[78] | 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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[82] | 202 | } |
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[78] | 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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