1 | /* |
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2 | * $Id: Parameters.cpp 81 2008-04-15 18:40:01Z 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/include/Parameters.h" |
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9 | #include "Common/include/Max.h" |
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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 | namespace branch_target_buffer { |
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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::Parameters" |
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22 | Parameters::Parameters (uint32_t nb_context , |
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23 | uint32_t * nb_instruction , |
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24 | uint32_t size_buffer , |
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25 | uint32_t associativity , |
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26 | uint32_t size_address , |
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27 | uint32_t size_counter , |
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28 | uint32_t nb_inst_predict, |
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29 | uint32_t nb_inst_decod , |
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30 | uint32_t nb_inst_update , |
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31 | Tvictim_t victim_scheme ) |
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32 | { |
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33 | log_printf(FUNC,Branch_Target_Buffer,FUNCTION,"Begin"); |
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34 | |
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35 | _nb_context = nb_context ; |
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36 | _nb_instruction = nb_instruction ; |
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37 | _size_buffer = size_buffer ; |
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38 | _associativity = associativity ; |
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39 | _size_address = size_address ; |
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40 | _size_counter = size_counter ; |
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41 | _nb_inst_predict = nb_inst_predict; |
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42 | _nb_inst_decod = nb_inst_decod ; |
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43 | _nb_inst_update = nb_inst_update ; |
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44 | _victim_scheme = victim_scheme ; |
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45 | |
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46 | _size_bank = size_buffer/associativity; |
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47 | _size_context_id = log2(nb_context); |
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48 | _size_victim = log2(associativity); |
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49 | |
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50 | _have_port_context_id = (_size_context_id > 0); |
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51 | _have_component_victim = (_size_victim > 0); |
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52 | _is_full_associative = _size_bank == 1; |
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53 | uint32_t nb_access = nb_inst_predict + nb_inst_decod + nb_inst_update; |
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54 | |
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55 | if (_have_component_victim) |
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56 | { |
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57 | _param_sort = new morpheo::behavioural::generic::sort::Parameters |
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58 | (_associativity, // nb_input |
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59 | 1 , // nb_output |
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60 | true , // ascending |
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61 | _size_victim , // size_data |
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62 | true , // have_port_index_out |
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63 | false // have_port_data_out |
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64 | ); |
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65 | |
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66 | _param_victim = new morpheo::behavioural::generic::victim::Parameters |
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67 | (_victim_scheme, //victim_scheme |
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68 | _associativity, //nb_entity |
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69 | _size_bank , //nb_entry |
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70 | nb_access , //nb_access |
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71 | false //table_global |
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72 | ); |
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73 | } |
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74 | |
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75 | _param_branch_target_buffer_glue = new morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::branch_target_buffer::branch_target_buffer_glue::Parameters |
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76 | ( |
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77 | max<uint32_t>(_nb_instruction, _nb_context), |
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78 | _size_buffer , |
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79 | _associativity , |
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80 | _size_address , |
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81 | _nb_inst_predict , |
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82 | _nb_inst_decod , |
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83 | _nb_inst_update ); |
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84 | |
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85 | _param_branch_target_buffer_register = new morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::branch_target_buffer::branch_target_buffer_register::Parameters |
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86 | (_nb_context , |
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87 | _nb_instruction , |
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88 | _size_buffer , |
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89 | _associativity , |
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90 | _size_address , |
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91 | _size_counter , |
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92 | _nb_inst_predict, |
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93 | _nb_inst_decod , |
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94 | _nb_inst_update ); |
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95 | |
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96 | test(); |
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97 | log_printf(FUNC,Branch_Target_Buffer,FUNCTION,"End"); |
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98 | }; |
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99 | |
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100 | // #undef FUNCTION |
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101 | // #define FUNCTION "Branch_Target_Buffer::Parameters (copy)" |
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102 | // Parameters::Parameters (Parameters & param) |
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103 | // { |
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104 | // log_printf(FUNC,Branch_Target_Buffer,FUNCTION,"Begin"); |
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105 | // test(); |
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106 | // log_printf(FUNC,Branch_Target_Buffer,FUNCTION,"End"); |
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107 | // }; |
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108 | |
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109 | #undef FUNCTION |
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110 | #define FUNCTION "Branch_Target_Buffer::~Parameters" |
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111 | Parameters::~Parameters () |
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112 | { |
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113 | log_printf(FUNC,Branch_Target_Buffer,FUNCTION,"Begin"); |
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114 | |
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115 | if (_have_component_victim) |
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116 | { |
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117 | delete _param_sort; |
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118 | delete _param_victim; |
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119 | } |
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120 | |
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121 | delete _param_branch_target_buffer_glue; |
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122 | delete _param_branch_target_buffer_register; |
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123 | |
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124 | log_printf(FUNC,Branch_Target_Buffer,FUNCTION,"End"); |
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125 | }; |
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126 | |
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127 | }; // end namespace branch_target_buffer |
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128 | }; // end namespace prediction_unit |
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129 | }; // end namespace front_end |
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130 | }; // end namespace multi_front_end |
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131 | }; // end namespace core |
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132 | |
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133 | }; // end namespace behavioural |
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134 | }; // end namespace morpheo |
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