[78] | 1 | #ifndef morpheo_behavioural_core_multi_front_end_front_end_decod_unit_decod_Decod_h |
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| 2 | #define morpheo_behavioural_core_multi_front_end_front_end_decod_unit_decod_Decod_h |
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| 3 | |
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| 4 | /* |
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| 5 | * $Id: Decod.h 86 2008-05-14 17:08:56Z 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 <list> |
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| 17 | #include "Common/include/ToString.h" |
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| 18 | #include "Common/include/Debug.h" |
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| 19 | |
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| 20 | #include "Behavioural/Core/Multi_Front_end/Front_end/Decod_unit/Decod/include/Types.h" |
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| 21 | #include "Behavioural/Core/Multi_Front_end/Front_end/Decod_unit/Decod/include/Parameters.h" |
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| 22 | #include "Behavioural/Core/Multi_Front_end/Front_end/Decod_unit/Decod/Instruction/include/Instruction.h" |
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| 23 | #ifdef STATISTICS |
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| 24 | #include "Behavioural/include/Stat.h" |
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| 25 | #endif |
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| 26 | #include "Behavioural/include/Component.h" |
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| 27 | #ifdef VHDL |
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| 28 | #include "Behavioural/include/Vhdl.h" |
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| 29 | #endif |
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| 30 | #include "Behavioural/include/Usage.h" |
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| 31 | |
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| 32 | namespace morpheo { |
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| 33 | namespace behavioural { |
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| 34 | |
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| 35 | namespace core { |
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| 36 | namespace multi_front_end { |
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| 37 | namespace front_end { |
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| 38 | namespace decod_unit { |
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| 39 | namespace decod { |
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| 40 | |
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| 41 | |
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| 42 | class Decod |
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| 43 | #if SYSTEMC |
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| 44 | : public sc_module |
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| 45 | #endif |
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| 46 | { |
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| 47 | // -----[ fields ]---------------------------------------------------- |
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| 48 | // Parameters |
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| 49 | protected : const std::string _name; |
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| 50 | protected : const Parameters * _param; |
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| 51 | private : const Tusage_t _usage; |
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| 52 | |
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| 53 | #ifdef STATISTICS |
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| 54 | public : Stat * _stat; |
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| 55 | public : counter_t * _stat_sum_inst_decod; |
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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 : "ifetch_unit" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 68 | public : SC_IN (Tcontrol_t ) *** in_IFETCH_VAL ;//[nb_context][nb_inst_fetch] |
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| 69 | public : SC_OUT(Tcontrol_t ) *** out_IFETCH_ACK ;//[nb_context][nb_inst_fetch] |
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| 70 | public : SC_IN (Tinstruction_t ) *** in_IFETCH_INSTRUCTION ;//[nb_context][nb_inst_fetch] |
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| 71 | public : SC_IN (Tcontext_t ) ** in_IFETCH_CONTEXT_ID ;//[nb_context] |
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| 72 | public : SC_IN (Tgeneral_address_t ) ** in_IFETCH_ADDRESS ;//[nb_context] |
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| 73 | //public : SC_IN (Tgeneral_address_t ) ** in_IFETCH_ADDRESS_NEXT ;//[nb_context] |
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| 74 | public : SC_IN (Tinst_ifetch_ptr_t ) ** in_IFETCH_INST_IFETCH_PTR ;//[nb_context] |
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| 75 | public : SC_IN (Tbranch_state_t ) ** in_IFETCH_BRANCH_STATE ;//[nb_context] |
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| 76 | public : SC_IN (Tprediction_ptr_t ) ** in_IFETCH_BRANCH_UPDATE_PREDICTION_ID ;//[nb_context] |
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| 77 | |
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| 78 | // ~~~~~[ Interface : "decod" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 79 | public : SC_OUT(Tcontrol_t ) ** out_DECOD_VAL ;//[nb_inst_decod] |
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| 80 | public : SC_IN (Tcontrol_t ) ** in_DECOD_ACK ;//[nb_inst_decod] |
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| 81 | public : SC_OUT(Tcontext_t ) ** out_DECOD_CONTEXT_ID ;//[nb_inst_decod] |
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| 82 | public : SC_OUT(Tdepth_t ) ** out_DECOD_DEPTH ;//[nb_inst_decod] |
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| 83 | public : SC_OUT(Ttype_t ) ** out_DECOD_TYPE ;//[nb_inst_decod] |
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| 84 | public : SC_OUT(Toperation_t ) ** out_DECOD_OPERATION ;//[nb_inst_decod] |
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| 85 | public : SC_OUT(Tcontrol_t ) ** out_DECOD_IS_DELAY_SLOT ;//[nb_inst_decod] |
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| 86 | public : SC_OUT(Tgeneral_data_t ) ** out_DECOD_ADDRESS ;//[nb_inst_decod] |
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| 87 | public : SC_OUT(Tcontrol_t ) ** out_DECOD_HAS_IMMEDIAT ;//[nb_inst_decod] |
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| 88 | public : SC_OUT(Tgeneral_data_t ) ** out_DECOD_IMMEDIAT ;//[nb_inst_decod] |
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| 89 | public : SC_OUT(Tcontrol_t ) ** out_DECOD_READ_RA ;//[nb_inst_decod] |
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| 90 | public : SC_OUT(Tgeneral_address_t ) ** out_DECOD_NUM_REG_RA ;//[nb_inst_decod] |
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| 91 | public : SC_OUT(Tcontrol_t ) ** out_DECOD_READ_RB ;//[nb_inst_decod] |
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| 92 | public : SC_OUT(Tgeneral_address_t ) ** out_DECOD_NUM_REG_RB ;//[nb_inst_decod] |
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| 93 | public : SC_OUT(Tcontrol_t ) ** out_DECOD_READ_RC ;//[nb_inst_decod] |
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| 94 | public : SC_OUT(Tspecial_address_t ) ** out_DECOD_NUM_REG_RC ;//[nb_inst_decod] |
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| 95 | public : SC_OUT(Tcontrol_t ) ** out_DECOD_WRITE_RD ;//[nb_inst_decod] |
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| 96 | public : SC_OUT(Tgeneral_address_t ) ** out_DECOD_NUM_REG_RD ;//[nb_inst_decod] |
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| 97 | public : SC_OUT(Tcontrol_t ) ** out_DECOD_WRITE_RE ;//[nb_inst_decod] |
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| 98 | public : SC_OUT(Tspecial_address_t ) ** out_DECOD_NUM_REG_RE ;//[nb_inst_decod] |
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| 99 | public : SC_OUT(Texception_t ) ** out_DECOD_EXCEPTION_USE ;//[nb_inst_decod] |
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| 100 | |
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| 101 | // ~~~~~[ Interface : "predict" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 102 | public : SC_OUT(Tcontrol_t ) ** out_PREDICT_VAL ;//[nb_inst_decod] |
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| 103 | public : SC_IN (Tcontrol_t ) ** in_PREDICT_ACK ;//[nb_inst_decod] |
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| 104 | public : SC_OUT(Tcontext_t ) ** out_PREDICT_CONTEXT_ID ;//[nb_inst_decod] |
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| 105 | public : SC_OUT(Tcontrol_t ) ** out_PREDICT_MATCH_INST_IFETCH_PTR ;//[nb_inst_decod] |
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| 106 | public : SC_OUT(Tbranch_state_t ) ** out_PREDICT_BRANCH_STATE ;//[nb_inst_decod] |
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| 107 | public : SC_OUT(Tprediction_ptr_t ) ** out_PREDICT_BRANCH_UPDATE_PREDICTION_ID;//[nb_inst_decod] |
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| 108 | public : SC_OUT(Tbranch_condition_t) ** out_PREDICT_BRANCH_CONDITION ;//[nb_inst_decod] |
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| 109 | //public : SC_OUT(Tcontrol_t ) ** out_PREDICT_BRANCH_STACK_WRITE ;//[nb_inst_decod] |
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| 110 | public : SC_OUT(Tcontrol_t ) ** out_PREDICT_BRANCH_DIRECTION ;//[nb_inst_decod] |
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| 111 | public : SC_OUT(Tgeneral_data_t ) ** out_PREDICT_ADDRESS_SRC ;//[nb_inst_decod] |
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| 112 | public : SC_OUT(Tgeneral_data_t ) ** out_PREDICT_ADDRESS_DEST ;//[nb_inst_decod] |
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| 113 | //public : SC_IN (Tcontrol_t ) ** in_PREDICT_CAN_CONTINUE ;//[nb_inst_decod] |
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| 114 | |
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| 115 | // ~~~~~[ Interface : "context" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 116 | public : SC_IN (Tcontrol_t ) ** in_CONTEXT_DECOD_ENABLE ;//[nb_context] |
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| 117 | public : SC_IN (Tdepth_t ) ** in_CONTEXT_DEPTH ;//[nb_context] |
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| 118 | |
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| 119 | // ~~~~~[ Interface : "context_event" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 120 | public : SC_OUT(Tcontrol_t ) * out_CONTEXT_EVENT_VAL ; |
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| 121 | public : SC_IN (Tcontrol_t ) * in_CONTEXT_EVENT_ACK ; |
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| 122 | public : SC_OUT(Tcontext_t ) * out_CONTEXT_EVENT_CONTEXT_ID ; |
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| 123 | public : SC_OUT(Tevent_type_t ) * out_CONTEXT_EVENT_TYPE ; |
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| 124 | public : SC_OUT(Tcontrol_t ) * out_CONTEXT_EVENT_IS_DELAY_SLOT ; |
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| 125 | public : SC_OUT(Tgeneral_data_t ) * out_CONTEXT_EVENT_ADDRESS ; |
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| 126 | public : SC_OUT(Tgeneral_data_t ) * out_CONTEXT_EVENT_ADDRESS_EPCR ; |
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| 127 | |
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| 128 | // ~~~~~[ Component ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 129 | |
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| 130 | // ~~~~~[ Register ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 131 | private : uint32_t reg_CONTEXT_PRIORITY; |
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| 132 | private : Tgeneral_data_t * reg_CONTEXT_ADDRESS_PREVIOUS ; //[nb_context] |
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| 133 | private : Tcontrol_t * reg_CONTEXT_IS_DELAY_SLOT ; //[nb_context] |
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| 134 | private : Tcontrol_t * internal_CONTEXT_HAVE_TRANSACTION; //[nb_context] |
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| 135 | private : Tgeneral_data_t * internal_CONTEXT_ADDRESS_PREVIOUS; //[nb_context] |
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| 136 | private : Tcontrol_t * internal_CONTEXT_IS_DELAY_SLOT ; //[nb_context] |
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| 137 | |
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| 138 | // ~~~~~[ Internal ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 139 | private : decod_instruction_t * _decod_instruction; |
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| 140 | private : decod_param_t ** _decod_param ; //[nb_context] |
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| 141 | private : function_decod_t **** _function_decod ; //[nb_context][type][opcod] |
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[86] | 142 | private : function_decod_t **** _function_custom ; //[nb_context][type][opcod] |
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[78] | 143 | private : std::list<select_t> select; |
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| 144 | #endif |
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| 145 | |
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| 146 | // -----[ Methods ]--------------------------------------------------- |
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| 147 | |
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| 148 | #ifdef SYSTEMC |
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| 149 | SC_HAS_PROCESS (Decod); |
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| 150 | #endif |
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| 151 | public : Decod |
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| 152 | ( |
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| 153 | #ifdef SYSTEMC |
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| 154 | sc_module_name name, |
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| 155 | #else |
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| 156 | std::string name, |
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| 157 | #endif |
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| 158 | #ifdef STATISTICS |
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| 159 | morpheo::behavioural::Parameters_Statistics * param_statistics, |
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| 160 | #endif |
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| 161 | Parameters * param, |
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[82] | 162 | morpheo::behavioural::Tusage_t usage |
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[78] | 163 | ); |
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| 164 | public : ~Decod (void); |
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| 165 | |
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| 166 | private : void allocation ( |
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| 167 | #ifdef STATISTICS |
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| 168 | morpheo::behavioural::Parameters_Statistics * param_statistics |
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| 169 | #else |
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| 170 | void |
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| 171 | #endif |
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| 172 | ); |
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| 173 | private : void deallocation (void); |
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| 174 | |
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| 175 | #ifdef SYSTEMC |
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| 176 | public : void transition (void); |
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| 177 | public : void genMealy (void); |
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| 178 | #endif |
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| 179 | |
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| 180 | #if VHDL |
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| 181 | public : void vhdl (void); |
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| 182 | private : void vhdl_declaration (Vhdl * & vhdl); |
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| 183 | private : void vhdl_body (Vhdl * & vhdl); |
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| 184 | #endif |
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| 185 | |
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| 186 | #ifdef STATISTICS |
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| 187 | public : void statistics_allocation (morpheo::behavioural::Parameters_Statistics * param_statistics); |
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| 188 | public : void statistics_deallocation (void); |
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| 189 | #endif |
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| 190 | #if defined(STATISTICS) or defined(VHDL_TESTBENCH) |
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| 191 | private : void end_cycle (void); |
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| 192 | #endif |
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| 193 | }; |
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| 194 | |
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| 195 | }; // end namespace decod |
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| 196 | }; // end namespace decod_unit |
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| 197 | }; // end namespace front_end |
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| 198 | }; // end namespace multi_front_end |
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| 199 | }; // end namespace core |
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| 200 | |
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| 201 | }; // end namespace behavioural |
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| 202 | }; // end namespace morpheo |
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| 203 | |
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| 204 | #endif |
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