[78] | 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 136 2009-10-20 18:52:15Z 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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[101] | 94 | public : SC_IN (Tinst_ifetch_ptr_t ) * in_PREDICT_INST_IFETCH_PTR ; |
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[78] | 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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[136] | 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(Tbranch_state_t ) ** out_DECOD_BRANCH_STATE ; |
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| 103 | public : SC_OUT(Tprediction_ptr_t ) ** out_DECOD_BRANCH_UPDATE_PREDICTION_ID ; |
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| 104 | public : SC_OUT(Texception_t ) ** out_DECOD_EXCEPTION ; |
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[78] | 105 | |
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| 106 | // ~~~~~[ Interface "event" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 107 | public : SC_IN (Tcontrol_t ) * in_EVENT_VAL ; |
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| 108 | public : SC_OUT(Tcontrol_t ) * out_EVENT_ACK ; |
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| 109 | public : SC_IN (Tgeneral_address_t) * in_EVENT_ADDRESS ; |
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[88] | 110 | public : SC_IN (Tgeneral_address_t) * in_EVENT_ADDRESS_NEXT ; |
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| 111 | public : SC_IN (Tcontrol_t ) * in_EVENT_ADDRESS_NEXT_VAL ; |
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| 112 | public : SC_IN (Tcontrol_t ) * in_EVENT_IS_DS_TAKE ; |
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[78] | 113 | |
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| 114 | // ~~~~~[ Component ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 115 | private : morpheo::behavioural::core::multi_front_end::front_end::ifetch_unit::address_management::Address_management * _component_address_management; |
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| 116 | private : morpheo::behavioural::core::multi_front_end::front_end::ifetch_unit::ifetch_queue:: Ifetch_queue * _component_ifetch_queue; |
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| 117 | 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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| 118 | |
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| 119 | // ~~~~~[ Register ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 120 | |
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| 121 | // ~~~~~[ Internal ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 122 | #endif |
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| 123 | |
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| 124 | // -----[ Methods ]--------------------------------------------------- |
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| 125 | |
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| 126 | #ifdef SYSTEMC |
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| 127 | SC_HAS_PROCESS (Ifetch_unit); |
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| 128 | #endif |
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| 129 | public : Ifetch_unit |
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| 130 | ( |
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| 131 | #ifdef SYSTEMC |
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| 132 | sc_module_name name, |
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| 133 | #else |
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| 134 | std::string name, |
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| 135 | #endif |
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| 136 | #ifdef STATISTICS |
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| 137 | morpheo::behavioural::Parameters_Statistics * param_statistics, |
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| 138 | #endif |
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| 139 | Parameters * param, |
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[82] | 140 | morpheo::behavioural::Tusage_t usage |
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[78] | 141 | ); |
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| 142 | public : ~Ifetch_unit (void); |
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| 143 | |
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| 144 | private : void allocation ( |
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| 145 | #ifdef STATISTICS |
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| 146 | morpheo::behavioural::Parameters_Statistics * param_statistics |
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| 147 | #else |
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| 148 | void |
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| 149 | #endif |
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| 150 | ); |
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| 151 | private : void deallocation (void); |
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| 152 | |
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| 153 | #ifdef SYSTEMC |
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| 154 | # if defined(STATISTICS) or defined(VHDL_TESTBENCH) |
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| 155 | public : void transition (void); |
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| 156 | # endif |
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| 157 | #endif |
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| 158 | |
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| 159 | #if VHDL |
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| 160 | public : void vhdl (void); |
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| 161 | #endif |
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| 162 | |
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| 163 | #ifdef STATISTICS |
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| 164 | public : void statistics_allocation (morpheo::behavioural::Parameters_Statistics * param_statistics); |
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| 165 | public : void statistics_deallocation (void); |
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| 166 | #endif |
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| 167 | #if defined(STATISTICS) or defined(VHDL_TESTBENCH) |
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| 168 | private : void end_cycle (void); |
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| 169 | #endif |
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| 170 | }; |
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| 171 | |
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| 172 | }; // end namespace ifetch_unit |
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| 173 | }; // end namespace front_end |
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| 174 | }; // end namespace multi_front_end |
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| 175 | }; // end namespace core |
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| 176 | |
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| 177 | }; // end namespace behavioural |
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| 178 | }; // end namespace morpheo |
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| 179 | |
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| 180 | #endif |
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