[78] | 1 | #ifndef morpheo_behavioural_core_multi_front_end_front_end_ifetch_unit_ifetch_queue_Ifetch_queue_h |
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| 2 | #define morpheo_behavioural_core_multi_front_end_front_end_ifetch_unit_ifetch_queue_Ifetch_queue_h |
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| 3 | |
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| 4 | /* |
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| 5 | * $Id: Ifetch_queue.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 | |
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| 19 | #include "Behavioural/Core/Multi_Front_end/Front_end/Ifetch_unit/Ifetch_queue/include/Types.h" |
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| 20 | #include "Behavioural/Core/Multi_Front_end/Front_end/Ifetch_unit/Ifetch_queue/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 | namespace morpheo { |
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| 31 | namespace behavioural { |
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| 32 | |
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| 33 | namespace core { |
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| 34 | namespace multi_front_end { |
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| 35 | namespace front_end { |
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| 36 | namespace ifetch_unit { |
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| 37 | namespace ifetch_queue { |
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| 38 | |
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| 39 | class Ifetch_queue |
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| 40 | #if SYSTEMC |
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| 41 | : public sc_module |
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| 42 | #endif |
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| 43 | { |
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| 44 | // -----[ fields ]---------------------------------------------------- |
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| 45 | // Parameters |
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| 46 | protected : const std::string _name; |
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| 47 | protected : const Parameters * _param; |
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| 48 | private : const Tusage_t _usage; |
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| 49 | |
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| 50 | #ifdef STATISTICS |
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| 51 | public : Stat * _stat; |
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| 52 | private : counter_t * _sum_use_queue ; |
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| 53 | private : counter_t * _sum_use_queue_wait_rsp; |
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| 54 | private : counter_t * _sum_use_queue_have_rsp; |
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| 55 | private : counter_t * _sum_use_queue_error_wait_rsp; |
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| 56 | |
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| 57 | private : counter_t * _sum_inst_enable; |
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| 58 | private : counter_t * _sum_transaction_address; |
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| 59 | |
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| 60 | private : counter_t * _average_occupation_bundle; |
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| 61 | #endif |
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| 62 | |
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| 63 | public : Component * _component; |
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| 64 | private : Interfaces * _interfaces; |
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| 65 | |
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| 66 | #ifdef SYSTEMC |
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| 67 | // ~~~~~[ Interface ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 68 | // ~~~~~[ Interface : "" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 69 | public : SC_CLOCK * in_CLOCK ; |
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| 70 | public : SC_IN (Tcontrol_t) * in_NRESET ; |
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| 71 | |
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| 72 | // ~~~~~[ Interface : "address" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 73 | public : SC_IN (Tcontrol_t ) * in_ADDRESS_VAL ; |
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| 74 | public : SC_OUT(Tcontrol_t ) * out_ADDRESS_ACK ; |
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| 75 | public : SC_OUT(Tifetch_queue_ptr_t) * out_ADDRESS_IFETCH_QUEUE_ID ; |
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| 76 | public : SC_IN (Tcontrol_t ) ** in_ADDRESS_INSTRUCTION_ENABLE ;//[nb_instruction] |
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| 77 | public : SC_IN (Tgeneral_address_t ) * in_ADDRESS_INSTRUCTION_ADDRESS ; |
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| 78 | public : SC_IN (Tinst_ifetch_ptr_t ) * in_ADDRESS_INST_IFETCH_PTR ; |
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| 79 | public : SC_IN (Tbranch_state_t ) * in_ADDRESS_BRANCH_STATE ; |
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| 80 | public : SC_IN (Tprediction_ptr_t ) * in_ADDRESS_BRANCH_UPDATE_PREDICTION_ID ; |
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| 81 | |
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| 82 | // ~~~~~[ Interface : "decod" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 83 | public : SC_OUT(Tcontrol_t ) ** out_DECOD_VAL ;//[nb_instruction] |
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| 84 | public : SC_IN (Tcontrol_t ) ** in_DECOD_ACK ;//[nb_instruction] |
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| 85 | public : SC_OUT(Tinstruction_t ) ** out_DECOD_INSTRUCTION ;//[nb_instruction] |
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[136] | 86 | public : SC_OUT(Tgeneral_address_t ) ** out_DECOD_ADDRESS ; |
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| 87 | public : SC_OUT(Tbranch_state_t ) ** out_DECOD_BRANCH_STATE ; |
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| 88 | public : SC_OUT(Tprediction_ptr_t ) ** out_DECOD_BRANCH_UPDATE_PREDICTION_ID ; |
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| 89 | public : SC_OUT(Texception_t ) ** out_DECOD_EXCEPTION ; |
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| 90 | //public : SC_OUT(Tgeneral_address_t ) * out_DECOD_ADDRESS ; |
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| 91 | //public : SC_OUT(Tinst_ifetch_ptr_t ) * out_DECOD_INST_IFETCH_PTR ; |
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| 92 | //public : SC_OUT(Tbranch_state_t ) * out_DECOD_BRANCH_STATE ; |
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| 93 | //public : SC_OUT(Tprediction_ptr_t ) * out_DECOD_BRANCH_UPDATE_PREDICTION_ID ; |
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| 94 | //public : SC_OUT(Texception_t ) * out_DECOD_EXCEPTION ; |
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[78] | 95 | |
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| 96 | // ~~~~~[ Interface "icache_rsp" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 97 | public : SC_IN (Tcontrol_t ) * in_ICACHE_RSP_VAL ; |
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| 98 | public : SC_OUT(Tcontrol_t ) * out_ICACHE_RSP_ACK ; |
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| 99 | public : SC_IN (Tpacket_t ) * in_ICACHE_RSP_PACKET_ID ; |
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| 100 | public : SC_IN (Ticache_instruction_t)** in_ICACHE_RSP_INSTRUCTION ;//[nb_instruction] |
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| 101 | public : SC_IN (Ticache_error_t ) * in_ICACHE_RSP_ERROR ; |
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| 102 | |
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| 103 | // ~~~~~[ Interface "event_reset" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 104 | public : SC_IN (Tcontrol_t ) * in_EVENT_RESET_VAL ;// val if : miss_speculation, exception, synchronization |
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| 105 | public : SC_OUT(Tcontrol_t ) * out_EVENT_RESET_ACK ; |
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| 106 | |
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| 107 | // ~~~~~[ Component ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 108 | |
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| 109 | // ~~~~~[ Register ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 110 | private : uint32_t reg_PTR_READ ; |
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| 111 | private : uint32_t reg_PTR_WRITE; |
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| 112 | private : ifetch_queue_entry_t ** _queue; // ifetch_queue |
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| 113 | |
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| 114 | // ~~~~~[ Internal ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 115 | private : Tcontrol_t internal_ADDRESS_ACK ; |
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[136] | 116 | private : Tcontrol_t * internal_DECOD_VAL ;//[nb_instruction] |
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| 117 | private : uint32_t * internal_DECOD_PTR ;//[nb_instruction] Only queue_scheme == full_assoc |
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| 118 | private : uint32_t * internal_DECOD_SLOT ;//[nb_instruction] Only queue_scheme == full_assoc |
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[78] | 119 | private : Tcontrol_t internal_ICACHE_RSP_ACK ; |
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| 120 | private : Tcontrol_t internal_EVENT_RESET_ACK; |
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[136] | 121 | |
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| 122 | |
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| 123 | |
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| 124 | // function pointer |
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| 125 | public : void (morpheo::behavioural::core::multi_front_end::front_end::ifetch_unit::ifetch_queue::Ifetch_queue::*function_transition ) (void); |
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| 126 | public : void (morpheo::behavioural::core::multi_front_end::front_end::ifetch_unit::ifetch_queue::Ifetch_queue::*function_genMoore ) (void); |
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[78] | 127 | #endif |
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| 128 | |
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| 129 | // -----[ Methods ]--------------------------------------------------- |
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| 130 | |
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| 131 | #ifdef SYSTEMC |
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| 132 | SC_HAS_PROCESS (Ifetch_queue); |
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| 133 | #endif |
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| 134 | public : Ifetch_queue |
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| 135 | ( |
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| 136 | #ifdef SYSTEMC |
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| 137 | sc_module_name name, |
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| 138 | #else |
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| 139 | std::string name, |
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| 140 | #endif |
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| 141 | #ifdef STATISTICS |
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| 142 | morpheo::behavioural::Parameters_Statistics * param_statistics, |
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| 143 | #endif |
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| 144 | Parameters * param, |
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[82] | 145 | morpheo::behavioural::Tusage_t usage |
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[78] | 146 | ); |
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| 147 | public : ~Ifetch_queue (void); |
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| 148 | |
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| 149 | private : void allocation ( |
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| 150 | #ifdef STATISTICS |
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| 151 | morpheo::behavioural::Parameters_Statistics * param_statistics |
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| 152 | #else |
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| 153 | void |
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| 154 | #endif |
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| 155 | ); |
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| 156 | private : void deallocation (void); |
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| 157 | |
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| 158 | #ifdef SYSTEMC |
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[131] | 159 | public : void constant (void); |
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[136] | 160 | |
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| 161 | public : void transition (void); |
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| 162 | public : void genMoore (void); |
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| 163 | |
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| 164 | public : void function_no_assoc_transition (void); |
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| 165 | public : void function_no_assoc_genMoore (void); |
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| 166 | |
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| 167 | public : void function_full_assoc_transition (void); |
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| 168 | public : void function_full_assoc_genMoore (void); |
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[78] | 169 | #endif |
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| 170 | |
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| 171 | #if VHDL |
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| 172 | public : void vhdl (void); |
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| 173 | private : void vhdl_declaration (Vhdl * & vhdl); |
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| 174 | private : void vhdl_body (Vhdl * & vhdl); |
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| 175 | #endif |
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| 176 | |
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| 177 | #ifdef STATISTICS |
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| 178 | public : void statistics_allocation (morpheo::behavioural::Parameters_Statistics * param_statistics); |
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| 179 | public : void statistics_deallocation (void); |
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| 180 | #endif |
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| 181 | #if defined(STATISTICS) or defined(VHDL_TESTBENCH) |
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| 182 | private : void end_cycle (void); |
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| 183 | #endif |
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| 184 | }; |
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| 185 | |
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| 186 | }; // end namespace ifetch_queue |
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| 187 | }; // end namespace ifetch_unit |
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| 188 | }; // end namespace front_end |
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| 189 | }; // end namespace multi_front_end |
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| 190 | }; // end namespace core |
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| 191 | |
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| 192 | }; // end namespace behavioural |
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| 193 | }; // end namespace morpheo |
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| 194 | |
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| 195 | #endif |
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