1 | #ifndef morpheo_behavioural_core_multi_front_end_front_end_ifetch_unit_Ifetch_unit_h |
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2 | #define morpheo_behavioural_core_multi_front_end_front_end_ifetch_unit_Ifetch_unit_h |
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3 | |
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4 | /* |
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5 | * $Id: Ifetch_unit.h 101 2009-01-15 17:19:08Z rosiere $ |
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6 | * |
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7 | * [ Description ] |
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8 | * |
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9 | */ |
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10 | |
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11 | #ifdef SYSTEMC |
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12 | #include "systemc.h" |
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13 | #endif |
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14 | |
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15 | #include <iostream> |
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16 | #include "Common/include/ToString.h" |
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17 | #include "Common/include/Debug.h" |
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18 | #include "Behavioural/include/Types.h" |
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19 | |
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20 | #include "Behavioural/Core/Multi_Front_end/Front_end/Ifetch_unit/include/Parameters.h" |
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21 | #ifdef STATISTICS |
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22 | #include "Behavioural/include/Stat.h" |
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23 | #endif |
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24 | #include "Behavioural/include/Component.h" |
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25 | #ifdef VHDL |
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26 | #include "Behavioural/include/Vhdl.h" |
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27 | #endif |
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28 | #include "Behavioural/include/Usage.h" |
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29 | |
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30 | #include "Behavioural/Core/Multi_Front_end/Front_end/Ifetch_unit/Address_management/include/Address_management.h" |
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31 | #include "Behavioural/Core/Multi_Front_end/Front_end/Ifetch_unit/Ifetch_queue/include/Ifetch_queue.h" |
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32 | #include "Behavioural/Core/Multi_Front_end/Front_end/Ifetch_unit/Ifetch_unit_Glue/include/Ifetch_unit_Glue.h" |
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33 | |
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34 | namespace morpheo { |
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35 | namespace behavioural { |
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36 | |
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37 | namespace core { |
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38 | namespace multi_front_end { |
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39 | namespace front_end { |
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40 | namespace ifetch_unit { |
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41 | |
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42 | |
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43 | class Ifetch_unit |
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44 | #if SYSTEMC |
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45 | : public sc_module |
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46 | #endif |
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47 | { |
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48 | // -----[ fields ]---------------------------------------------------- |
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49 | // Parameters |
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50 | protected : const std::string _name; |
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51 | protected : const Parameters * _param; |
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52 | private : const Tusage_t _usage; |
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53 | |
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54 | #ifdef STATISTICS |
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55 | public : Stat * _stat; |
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56 | #endif |
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57 | |
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58 | public : Component * _component; |
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59 | private : Interfaces * _interfaces; |
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60 | |
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61 | #ifdef SYSTEMC |
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62 | // ~~~~~[ Interface ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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63 | // ~~~~~[ Interface : "" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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64 | public : SC_CLOCK * in_CLOCK ; |
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65 | public : SC_IN (Tcontrol_t) * in_NRESET ; |
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66 | |
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67 | // ~~~~~[ Interface "icache_req" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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68 | public : SC_OUT(Tcontrol_t ) * out_ICACHE_REQ_VAL ; |
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69 | public : SC_IN (Tcontrol_t ) * in_ICACHE_REQ_ACK ; |
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70 | //public : SC_OUT(Tcontext_t ) * out_ICACHE_REQ_THREAD_ID ; |
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71 | public : SC_OUT(Tpacket_t ) * out_ICACHE_REQ_PACKET_ID ; |
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72 | public : SC_OUT(Ticache_instruction_t) * out_ICACHE_REQ_ADDRESS ; |
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73 | public : SC_OUT(Ticache_type_t ) * out_ICACHE_REQ_TYPE ; |
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74 | |
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75 | // ~~~~~[ Interface "icache_rsp" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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76 | public : SC_IN (Tcontrol_t ) * in_ICACHE_RSP_VAL ; |
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77 | public : SC_OUT(Tcontrol_t ) * out_ICACHE_RSP_ACK ; |
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78 | //public : SC_IN (Tcontext_t ) * in_ICACHE_RSP_THREAD_ID ; |
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79 | public : SC_IN (Tpacket_t ) * in_ICACHE_RSP_PACKET_ID ; |
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80 | public : SC_IN (Ticache_instruction_t)** in_ICACHE_RSP_INSTRUCTION ;//[nb_instruction] |
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81 | public : SC_IN (Ticache_error_t ) * in_ICACHE_RSP_ERROR ; |
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82 | |
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83 | // ~~~~~[ Interface : "predict" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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84 | public : SC_OUT(Tcontrol_t ) * out_PREDICT_VAL ; |
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85 | public : SC_IN (Tcontrol_t ) * in_PREDICT_ACK ; |
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86 | public : SC_OUT(Tgeneral_address_t ) * out_PREDICT_PC_PREVIOUS ; |
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87 | public : SC_OUT(Tgeneral_address_t ) * out_PREDICT_PC_CURRENT ; |
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88 | public : SC_OUT(Tcontrol_t ) * out_PREDICT_PC_CURRENT_IS_DS_TAKE ; |
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89 | public : SC_IN (Tgeneral_address_t ) * in_PREDICT_PC_NEXT ; |
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90 | public : SC_IN (Tcontrol_t ) * in_PREDICT_PC_NEXT_IS_DS_TAKE ; |
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91 | public : SC_IN (Tcontrol_t ) ** in_PREDICT_INSTRUCTION_ENABLE ; //[nb_instruction] |
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92 | public : SC_IN (Tbranch_state_t ) * in_PREDICT_BRANCH_STATE ; |
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93 | public : SC_IN (Tprediction_ptr_t ) * in_PREDICT_BRANCH_UPDATE_PREDICTION_ID ; |
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94 | public : SC_IN (Tinst_ifetch_ptr_t ) * in_PREDICT_INST_IFETCH_PTR ; |
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95 | |
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96 | // ~~~~~[ Interface : "decod" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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97 | public : SC_OUT(Tcontrol_t ) ** out_DECOD_VAL ;//[nb_instruction] |
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98 | public : SC_IN (Tcontrol_t ) ** in_DECOD_ACK ;//[nb_instruction] |
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99 | public : SC_OUT(Tinstruction_t ) ** out_DECOD_INSTRUCTION ;//[nb_instruction] |
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100 | //public : SC_OUT(Tcontext_t ) * out_DECOD_CONTEXT_ID ; |
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101 | public : SC_OUT(Tgeneral_address_t ) * out_DECOD_ADDRESS ; |
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102 | public : SC_OUT(Tinst_ifetch_ptr_t ) * out_DECOD_INST_IFETCH_PTR ; |
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103 | public : SC_OUT(Tbranch_state_t ) * out_DECOD_BRANCH_STATE ; |
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104 | public : SC_OUT(Tprediction_ptr_t ) * out_DECOD_BRANCH_UPDATE_PREDICTION_ID ; |
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105 | public : SC_OUT(Texception_t ) * out_DECOD_EXCEPTION ; |
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106 | |
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107 | // ~~~~~[ Interface "event" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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108 | public : SC_IN (Tcontrol_t ) * in_EVENT_VAL ; |
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109 | public : SC_OUT(Tcontrol_t ) * out_EVENT_ACK ; |
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110 | public : SC_IN (Tgeneral_address_t) * in_EVENT_ADDRESS ; |
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111 | public : SC_IN (Tgeneral_address_t) * in_EVENT_ADDRESS_NEXT ; |
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112 | public : SC_IN (Tcontrol_t ) * in_EVENT_ADDRESS_NEXT_VAL ; |
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113 | public : SC_IN (Tcontrol_t ) * in_EVENT_IS_DS_TAKE ; |
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114 | |
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115 | // ~~~~~[ Component ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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116 | private : morpheo::behavioural::core::multi_front_end::front_end::ifetch_unit::address_management::Address_management * _component_address_management; |
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117 | private : morpheo::behavioural::core::multi_front_end::front_end::ifetch_unit::ifetch_queue:: Ifetch_queue * _component_ifetch_queue; |
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118 | private : morpheo::behavioural::core::multi_front_end::front_end::ifetch_unit::ifetch_unit_glue:: Ifetch_unit_Glue * _component_ifetch_unit_glue; |
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119 | |
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120 | // ~~~~~[ Register ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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121 | |
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122 | // ~~~~~[ Internal ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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123 | #endif |
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124 | |
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125 | // -----[ Methods ]--------------------------------------------------- |
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126 | |
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127 | #ifdef SYSTEMC |
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128 | SC_HAS_PROCESS (Ifetch_unit); |
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129 | #endif |
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130 | public : Ifetch_unit |
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131 | ( |
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132 | #ifdef SYSTEMC |
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133 | sc_module_name name, |
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134 | #else |
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135 | std::string name, |
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136 | #endif |
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137 | #ifdef STATISTICS |
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138 | morpheo::behavioural::Parameters_Statistics * param_statistics, |
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139 | #endif |
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140 | Parameters * param, |
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141 | morpheo::behavioural::Tusage_t usage |
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142 | ); |
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143 | public : ~Ifetch_unit (void); |
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144 | |
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145 | private : void allocation ( |
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146 | #ifdef STATISTICS |
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147 | morpheo::behavioural::Parameters_Statistics * param_statistics |
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148 | #else |
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149 | void |
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150 | #endif |
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151 | ); |
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152 | private : void deallocation (void); |
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153 | |
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154 | #ifdef SYSTEMC |
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155 | # if defined(STATISTICS) or defined(VHDL_TESTBENCH) |
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156 | public : void transition (void); |
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157 | # endif |
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158 | #endif |
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159 | |
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160 | #if VHDL |
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161 | public : void vhdl (void); |
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162 | #endif |
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163 | |
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164 | #ifdef STATISTICS |
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165 | public : void statistics_allocation (morpheo::behavioural::Parameters_Statistics * param_statistics); |
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166 | public : void statistics_deallocation (void); |
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167 | #endif |
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168 | #if defined(STATISTICS) or defined(VHDL_TESTBENCH) |
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169 | private : void end_cycle (void); |
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170 | #endif |
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171 | }; |
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172 | |
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173 | }; // end namespace ifetch_unit |
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174 | }; // end namespace front_end |
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175 | }; // end namespace multi_front_end |
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176 | }; // end namespace core |
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177 | |
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178 | }; // end namespace behavioural |
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179 | }; // end namespace morpheo |
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180 | |
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181 | #endif |
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