[78] | 1 | /* |
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| 2 | * $Id: Parameters.cpp 95 2008-12-16 16:24:26Z 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/include/Parameters.h" |
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[82] | 9 | #include "Common/include/Max.h" |
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[78] | 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 | |
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| 18 | |
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| 19 | #undef FUNCTION |
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| 20 | #define FUNCTION "Prediction_unit::Parameters" |
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[82] | 21 | Parameters::Parameters (uint32_t nb_context , |
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| 22 | uint32_t nb_decod_unit , |
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| 23 | uint32_t size_address , |
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| 24 | uint32_t * nb_instruction ,//[nb_context] |
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| 25 | uint32_t * nb_inst_decod ,//[nb_decod_unit] |
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| 26 | uint32_t nb_inst_branch_predict , |
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| 27 | uint32_t nb_inst_branch_decod , |
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| 28 | uint32_t nb_inst_branch_update , |
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| 29 | uint32_t nb_inst_branch_complete , |
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| 30 | uint32_t btb_size_queue , |
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| 31 | uint32_t btb_associativity , |
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| 32 | uint32_t btb_size_counter , |
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| 33 | Tvictim_t btb_victim_scheme , |
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| 34 | Tpredictor_t dir_predictor_scheme , |
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| 35 | bool dir_have_bht [3], |
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| 36 | uint32_t dir_bht_size_shifter [3], |
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| 37 | uint32_t dir_bht_nb_shifter [3], |
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| 38 | bool dir_have_pht [3], |
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| 39 | uint32_t dir_pht_size_counter [3], |
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| 40 | uint32_t dir_pht_nb_counter [3], |
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| 41 | uint32_t dir_pht_size_address_share [3], |
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| 42 | uint32_t * ras_size_queue ,//[nb_context] |
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[88] | 43 | uint32_t * upt_size_queue ,//[nb_context] |
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[95] | 44 | uint32_t * ufpt_size_queue ,//[nb_context] |
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[88] | 45 | bool is_toplevel |
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[82] | 46 | ) |
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[78] | 47 | { |
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| 48 | log_printf(FUNC,Prediction_unit,FUNCTION,"Begin"); |
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[82] | 49 | |
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| 50 | _nb_context = nb_context ; |
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| 51 | _nb_decod_unit = nb_decod_unit ; |
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| 52 | _size_address = size_address ; |
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| 53 | _nb_instruction = nb_instruction ; |
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| 54 | _nb_inst_decod = nb_inst_decod ; |
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| 55 | _nb_inst_branch_predict = nb_inst_branch_predict ; |
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| 56 | _nb_inst_branch_decod = nb_inst_branch_decod ; |
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| 57 | _nb_inst_branch_update = nb_inst_branch_update ; |
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| 58 | _nb_inst_branch_complete = nb_inst_branch_complete ; |
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| 59 | _btb_size_queue = btb_size_queue ; |
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| 60 | _btb_associativity = btb_associativity ; |
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| 61 | _btb_size_counter = btb_size_counter ; |
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| 62 | _btb_victim_scheme = btb_victim_scheme ; |
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| 63 | _dir_predictor_scheme = dir_predictor_scheme ; |
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| 64 | for (uint32_t i=0; i<3; i++) |
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| 65 | { |
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| 66 | _dir_have_bht [i] = dir_have_bht [i]; |
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| 67 | _dir_bht_size_shifter [i] = dir_bht_size_shifter [i]; |
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| 68 | _dir_bht_nb_shifter [i] = dir_bht_nb_shifter [i]; |
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| 69 | _dir_have_pht [i] = dir_have_pht [i]; |
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| 70 | _dir_pht_size_counter [i] = dir_pht_size_counter [i]; |
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| 71 | _dir_pht_nb_counter [i] = dir_pht_nb_counter [i]; |
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| 72 | _dir_pht_size_address_share [i] = dir_pht_size_address_share [i]; |
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| 73 | } |
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| 74 | _ras_size_queue = ras_size_queue ; |
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| 75 | _upt_size_queue = upt_size_queue ; |
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[95] | 76 | _ufpt_size_queue = ufpt_size_queue ; |
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[88] | 77 | |
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| 78 | _array_size_depth = new uint32_t [_nb_context]; |
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| 79 | _size_ras_index = new uint32_t [_nb_context]; |
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[82] | 80 | |
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| 81 | for (uint32_t i=0; i<_nb_context; i++) |
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| 82 | { |
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[88] | 83 | _array_size_depth [i] = log2(_upt_size_queue [i]); |
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| 84 | _size_ras_index [i] = log2(_ras_size_queue [i]); |
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[82] | 85 | } |
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| 86 | |
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| 87 | _param_glue = new morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::prediction_unit_glue ::Parameters |
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| 88 | (_nb_context , |
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| 89 | _nb_decod_unit , |
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| 90 | _size_address , |
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| 91 | _nb_instruction , |
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[88] | 92 | _array_size_depth , |
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[82] | 93 | _nb_inst_decod , |
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| 94 | _nb_inst_branch_predict, |
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| 95 | _nb_inst_branch_decod , |
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| 96 | _nb_inst_branch_update ); |
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| 97 | |
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| 98 | _param_btb = new morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::branch_target_buffer ::Parameters |
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| 99 | (_nb_context , |
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| 100 | _nb_instruction , |
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| 101 | _btb_size_queue , |
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| 102 | _btb_associativity , |
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| 103 | _size_address , |
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| 104 | _btb_size_counter , |
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| 105 | _nb_inst_branch_predict, |
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| 106 | _nb_inst_branch_decod , |
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| 107 | _nb_inst_branch_update , |
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| 108 | _btb_victim_scheme ); |
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[88] | 109 | |
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[82] | 110 | _param_dir = new morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::direction ::Parameters |
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| 111 | (_dir_predictor_scheme , |
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| 112 | _nb_inst_branch_predict , |
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| 113 | _nb_inst_branch_update , |
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| 114 | _size_address , |
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| 115 | _dir_have_bht , |
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| 116 | _dir_bht_size_shifter , |
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| 117 | _dir_bht_nb_shifter , |
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| 118 | _dir_have_pht , |
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| 119 | _dir_pht_size_counter , |
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| 120 | _dir_pht_nb_counter , |
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| 121 | _dir_pht_size_address_share); |
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| 122 | |
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[88] | 123 | _size_history = _param_dir->_size_history; |
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| 124 | _have_port_history = (_size_history > 0); |
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[82] | 125 | |
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| 126 | _param_ras = new morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::return_address_stack ::Parameters |
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| 127 | (_nb_context , |
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| 128 | _ras_size_queue , |
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| 129 | _size_address , |
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| 130 | _nb_inst_branch_predict, |
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| 131 | _nb_inst_branch_decod , |
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| 132 | _nb_inst_branch_update ); |
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| 133 | |
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| 134 | _param_upt = new morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::update_prediction_table::Parameters |
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| 135 | (_nb_context , |
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| 136 | _upt_size_queue , |
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[95] | 137 | _ufpt_size_queue , |
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[82] | 138 | _size_address , |
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| 139 | _nb_inst_branch_predict , |
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| 140 | _nb_inst_branch_decod , |
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| 141 | _nb_inst_branch_complete, |
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| 142 | _nb_inst_branch_update , |
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| 143 | _size_history , |
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| 144 | _size_ras_index ); |
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| 145 | |
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[88] | 146 | |
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| 147 | if (is_toplevel) |
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| 148 | { |
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| 149 | _size_context_id = log2(_nb_context); |
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| 150 | _size_depth = max<uint32_t>(_array_size_depth,_nb_context); |
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| 151 | _size_inst_ifetch_ptr = log2(max<uint32_t>(_nb_instruction,_nb_context)); |
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| 152 | _size_instruction_address = size_address; |
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| 153 | // _size_nb_inst_decod = ; |
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| 154 | // _size_nb_inst_commit = ; |
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| 155 | // _size_ifetch_queue_ptr = ; |
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| 156 | |
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| 157 | _have_port_context_id = (_size_context_id > 0); |
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| 158 | _have_port_depth = (_size_depth > 0); |
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| 159 | _have_port_inst_ifetch_ptr = _size_inst_ifetch_ptr > 0; |
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| 160 | // _have_port_ifetch_queue_ptr= _size_ifetch_queue_ptr > 0; |
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| 161 | |
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| 162 | copy (); |
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| 163 | } |
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| 164 | |
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[78] | 165 | test(); |
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| 166 | log_printf(FUNC,Prediction_unit,FUNCTION,"End"); |
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| 167 | }; |
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| 168 | |
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| 169 | // #undef FUNCTION |
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| 170 | // #define FUNCTION "Prediction_unit::Parameters (copy)" |
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| 171 | // Parameters::Parameters (Parameters & param) |
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| 172 | // { |
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| 173 | // log_printf(FUNC,Prediction_unit,FUNCTION,"Begin"); |
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| 174 | // test(); |
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| 175 | // log_printf(FUNC,Prediction_unit,FUNCTION,"End"); |
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| 176 | // }; |
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| 177 | |
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| 178 | #undef FUNCTION |
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| 179 | #define FUNCTION "Prediction_unit::~Parameters" |
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| 180 | Parameters::~Parameters () |
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| 181 | { |
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| 182 | log_printf(FUNC,Prediction_unit,FUNCTION,"Begin"); |
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[82] | 183 | |
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| 184 | delete _param_btb; |
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| 185 | delete _param_dir; |
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| 186 | delete _param_ras; |
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| 187 | delete _param_upt; |
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| 188 | delete _param_glue; |
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| 189 | |
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[88] | 190 | delete [] _array_size_depth; |
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[82] | 191 | delete [] _size_ras_index; |
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| 192 | |
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[78] | 193 | log_printf(FUNC,Prediction_unit,FUNCTION,"End"); |
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| 194 | }; |
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| 195 | |
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[88] | 196 | #undef FUNCTION |
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| 197 | #define FUNCTION "Prediction_unit::copy" |
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| 198 | void Parameters::copy (void) |
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| 199 | { |
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| 200 | log_printf(FUNC,Prediction_unit,FUNCTION,"Begin"); |
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| 201 | |
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| 202 | COPY(_param_btb ); |
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| 203 | COPY(_param_dir ); |
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| 204 | COPY(_param_ras ); |
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| 205 | COPY(_param_upt ); |
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| 206 | COPY(_param_glue); |
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| 207 | |
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| 208 | log_printf(FUNC,Prediction_unit,FUNCTION,"End"); |
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| 209 | }; |
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| 210 | |
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[78] | 211 | }; // end namespace prediction_unit |
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| 212 | }; // end namespace front_end |
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| 213 | }; // end namespace multi_front_end |
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| 214 | }; // end namespace core |
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| 215 | |
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| 216 | }; // end namespace behavioural |
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| 217 | }; // end namespace morpheo |
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