[83] | 1 | /* |
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| 2 | * $Id: Context_State_allocation.cpp 83 2008-05-09 18:00:21Z 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/Context_State/include/Context_State.h" |
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| 9 | #include "Behavioural/include/Allocation.h" |
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| 10 | #include "Common/include/Max.h" |
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| 11 | |
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| 12 | namespace morpheo { |
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| 13 | namespace behavioural { |
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| 14 | namespace core { |
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| 15 | namespace multi_front_end { |
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| 16 | namespace front_end { |
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| 17 | namespace context_state { |
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| 18 | |
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| 19 | |
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| 20 | |
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| 21 | #undef FUNCTION |
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| 22 | #define FUNCTION "Context_State::allocation" |
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| 23 | void Context_State::allocation ( |
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| 24 | #ifdef STATISTICS |
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| 25 | morpheo::behavioural::Parameters_Statistics * param_statistics |
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| 26 | #else |
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| 27 | void |
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| 28 | #endif |
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| 29 | ) |
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| 30 | { |
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| 31 | log_begin(Context_State,FUNCTION); |
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| 32 | |
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| 33 | _component = new Component (_usage); |
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| 34 | |
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| 35 | Entity * entity = _component->set_entity (_name |
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| 36 | ,"Context_State" |
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| 37 | #ifdef POSITION |
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| 38 | ,COMBINATORY |
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| 39 | #endif |
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| 40 | ); |
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| 41 | |
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| 42 | _interfaces = entity->set_interfaces(); |
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| 43 | |
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| 44 | // ~~~~~[ Interface : "" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 45 | { |
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| 46 | Interface * interface = _interfaces->set_interface("" |
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| 47 | #ifdef POSITION |
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| 48 | ,IN |
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| 49 | ,SOUTH, |
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| 50 | _("Generalist interface") |
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| 51 | #endif |
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| 52 | ); |
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| 53 | |
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| 54 | in_CLOCK = interface->set_signal_clk ("clock" ,1, CLOCK_VHDL_YES); |
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| 55 | in_NRESET = interface->set_signal_in <Tcontrol_t> ("nreset",1, RESET_VHDL_YES); |
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| 56 | } |
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| 57 | |
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| 58 | // ~~~~~[ Interface : "decod_event" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 59 | { |
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| 60 | ALLOC1_INTERFACE("decod_event",IN ,SOUTH, _("Decod Interface"), _param->_nb_decod_unit); |
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| 61 | |
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| 62 | ALLOC1_VALACK_IN ( in_DECOD_EVENT_VAL ,VAL); |
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| 63 | ALLOC1_VALACK_OUT(out_DECOD_EVENT_ACK ,ACK); |
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| 64 | ALLOC1_SIGNAL_IN ( in_DECOD_EVENT_CONTEXT_ID ,"context_id" ,Tcontext_t ,_param->_size_context_id); |
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| 65 | ALLOC1_SIGNAL_IN ( in_DECOD_EVENT_DEPTH ,"depth" ,Tdepth_t ,_param->_size_max_depth); |
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| 66 | ALLOC1_SIGNAL_IN ( in_DECOD_EVENT_TYPE ,"type" ,Tevent_type_t ,_param->_size_event_type); |
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| 67 | ALLOC1_SIGNAL_IN ( in_DECOD_EVENT_IS_DELAY_SLOT ,"is_delay_slot" ,Tcontrol_t ,1); |
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| 68 | ALLOC1_SIGNAL_IN ( in_DECOD_EVENT_ADDRESS ,"address" ,Taddress_t ,_param->_size_address); |
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| 69 | ALLOC1_SIGNAL_IN ( in_DECOD_EVENT_ADDRESS_EPCR ,"address_epcr" ,Taddress_t ,_param->_size_address); |
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| 70 | } |
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| 71 | |
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| 72 | // ~~~~~[ Interface : "commit_event" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 73 | { |
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| 74 | ALLOC1_INTERFACE("commit_event",IN ,EAST, _("Interface with the Re Order Buffer"), _param->_nb_ooo_engine); |
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| 75 | |
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| 76 | ALLOC1_VALACK_IN ( in_COMMIT_EVENT_VAL ,VAL); |
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| 77 | ALLOC1_VALACK_OUT(out_COMMIT_EVENT_ACK ,ACK); |
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| 78 | ALLOC1_SIGNAL_IN ( in_COMMIT_EVENT_CONTEXT_ID ,"context_id" ,Tcontext_t ,_param->_size_context_id); |
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| 79 | ALLOC1_SIGNAL_IN ( in_COMMIT_EVENT_DEPTH ,"depth" ,Tdepth_t ,_param->_size_max_depth); |
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| 80 | ALLOC1_SIGNAL_IN ( in_COMMIT_EVENT_TYPE ,"type" ,Tevent_type_t ,_param->_size_event_type); |
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| 81 | ALLOC1_SIGNAL_IN ( in_COMMIT_EVENT_IS_DELAY_SLOT ,"is_delay_slot" ,Tcontrol_t ,1); |
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| 82 | ALLOC1_SIGNAL_IN ( in_COMMIT_EVENT_ADDRESS ,"address" ,Taddress_t ,_param->_size_address); |
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| 83 | ALLOC1_SIGNAL_IN ( in_COMMIT_EVENT_ADDRESS_EPCR ,"address_epcr" ,Taddress_t ,_param->_size_address); |
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| 84 | ALLOC1_SIGNAL_IN ( in_COMMIT_EVENT_ADDRESS_EEAR_VAL ,"address_eear_val",Tcontrol_t ,1); |
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| 85 | ALLOC1_SIGNAL_IN ( in_COMMIT_EVENT_ADDRESS_EEAR ,"address_eear" ,Taddress_t ,_param->_size_address); |
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| 86 | } |
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| 87 | |
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| 88 | // ~~~~~[ Interface : "branch_complete" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 89 | { |
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| 90 | ALLOC1_INTERFACE("branch_complete",IN ,NORTH, _("Interface with the prediction_unit."), _param->_nb_inst_branch_complete); |
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| 91 | |
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| 92 | ALLOC1_VALACK_IN ( in_BRANCH_COMPLETE_VAL ,VAL); |
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| 93 | ALLOC1_VALACK_OUT(out_BRANCH_COMPLETE_ACK ,ACK); |
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| 94 | ALLOC1_SIGNAL_IN ( in_BRANCH_COMPLETE_CONTEXT_ID ,"context_id" ,Tcontext_t ,_param->_size_context_id); |
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| 95 | ALLOC1_SIGNAL_IN ( in_BRANCH_COMPLETE_DEPTH ,"depth" ,Tdepth_t ,_param->_size_max_depth); |
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| 96 | ALLOC1_SIGNAL_IN ( in_BRANCH_COMPLETE_MISS_PREDICTION ,"miss_prediction",Tcontrol_t ,1); |
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| 97 | ALLOC1_SIGNAL_IN ( in_BRANCH_COMPLETE_TAKE ,"take" ,Tcontrol_t ,1); |
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| 98 | ALLOC1_SIGNAL_IN ( in_BRANCH_COMPLETE_ADDRESS_SRC ,"address_src" ,Taddress_t ,_param->_size_address); |
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| 99 | ALLOC1_SIGNAL_IN ( in_BRANCH_COMPLETE_ADDRESS_DEST ,"address_dest" ,Taddress_t ,_param->_size_address); |
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| 100 | } |
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| 101 | |
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| 102 | // ~~~~~[ Interface : "nb_inst" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 103 | { |
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| 104 | ALLOC1_INTERFACE("nb_inst",IN ,EAST, _("Interface to count in fligt present instruction."), _param->_nb_decod_unit); |
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| 105 | |
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| 106 | ALLOC1_SIGNAL_IN ( in_NB_INST_DECOD_ALL ,"decod_all" ,Tcounter_t ,_param->_size_inst_decod [alloc_signal_it1]); |
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| 107 | // ALLOC1_SIGNAL_IN ( in_NB_INST_COMMIT_ALL ,"commit_all",Tcounter_t ,_param->_size_inst_commit [alloc_signal_it1]); |
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| 108 | // ALLOC1_SIGNAL_IN ( in_NB_INST_COMMIT_MEM ,"commit_mem",Tcounter_t ,_param->_size_inst_commit [alloc_signal_it1]); |
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| 109 | } |
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| 110 | { |
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| 111 | ALLOC1_INTERFACE("nb_inst",IN ,EAST, _("Interface to count in fligt present instruction."), _param->_nb_ooo_engine); |
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| 112 | |
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| 113 | // ALLOC1_SIGNAL_IN ( in_NB_INST_DECOD_ALL ,"decod_all" ,Tcounter_t ,_param->_size_inst_decod [alloc_signal_it1]); |
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| 114 | ALLOC1_SIGNAL_IN ( in_NB_INST_COMMIT_ALL ,"commit_all",Tcounter_t ,_param->_size_inst_commit [alloc_signal_it1]); |
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| 115 | ALLOC1_SIGNAL_IN ( in_NB_INST_COMMIT_MEM ,"commit_mem",Tcounter_t ,_param->_size_inst_commit [alloc_signal_it1]); |
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| 116 | } |
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| 117 | |
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| 118 | // ~~~~~[ Interface "event" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 119 | { |
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| 120 | ALLOC1_INTERFACE("event",OUT,WEST, _("An event occure : change PC address."), _param->_nb_context); |
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| 121 | |
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| 122 | ALLOC1_VALACK_OUT(out_EVENT_VAL ,VAL); |
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| 123 | ALLOC1_VALACK_IN ( in_EVENT_ACK ,ACK); |
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| 124 | ALLOC1_SIGNAL_OUT(out_EVENT_ADDRESS ,"address" ,Taddress_t ,_param->_size_address); |
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| 125 | ALLOC1_SIGNAL_OUT(out_EVENT_ADDRESS_NEXT ,"address_next" ,Taddress_t ,_param->_size_address); |
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| 126 | ALLOC1_SIGNAL_OUT(out_EVENT_ADDRESS_NEXT_VAL ,"address_next_val",Tcontrol_t ,1); |
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| 127 | ALLOC1_SIGNAL_OUT(out_EVENT_IS_DS_TAKE ,"is_ds_take" ,Tcontrol_t ,1); |
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| 128 | } |
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| 129 | |
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| 130 | // ~~~~~[ Interface "spr" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 131 | { |
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| 132 | ALLOC1_INTERFACE("spr",OUT,WEST, _("An exception occure : write \"exception PC\"."), _param->_nb_context); |
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| 133 | |
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| 134 | ALLOC1_VALACK_OUT(out_SPR_VAL ,VAL); |
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| 135 | ALLOC1_VALACK_IN ( in_SPR_ACK ,ACK); |
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| 136 | ALLOC1_SIGNAL_OUT(out_SPR_EPCR ,"epcr" ,Taddress_t, _param->_size_address); |
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| 137 | ALLOC1_SIGNAL_OUT(out_SPR_EEAR ,"eear" ,Taddress_t, _param->_size_address); |
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| 138 | ALLOC1_SIGNAL_OUT(out_SPR_EEAR_WEN ,"eear_wen" ,Tcontrol_t,1); |
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| 139 | ALLOC1_SIGNAL_OUT(out_SPR_SR_DSX ,"sr_dsx" ,Tcontrol_t,1); |
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| 140 | ALLOC1_SIGNAL_OUT(out_SPR_SR_TO_ESR ,"sr_to_esr",Tcontrol_t,1); |
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| 141 | } |
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| 142 | |
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| 143 | // ~~~~~[ Interface : "context" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 144 | { |
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| 145 | ALLOC1_INTERFACE("context",OUT,SOUTH, _("To decod."), _param->_nb_context); |
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| 146 | |
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| 147 | ALLOC1_SIGNAL_OUT(out_CONTEXT_DECOD_ENABLE ,"decod_enable",Tcontrol_t,1); |
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| 148 | } |
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| 149 | |
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| 150 | // ~~~~~[ Interface : "depth" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 151 | { |
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| 152 | ALLOC1_INTERFACE("depth",IN ,NORTH, _("From prediction_unit."), _param->_nb_context); |
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| 153 | |
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| 154 | ALLOC1_SIGNAL_IN ( in_DEPTH_TAIL ,"tail",Tdepth_t,_param->_size_depth [alloc_signal_it1]); |
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| 155 | } |
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| 156 | |
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| 157 | // ~~~~~[ Register ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 158 | |
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| 159 | reg_STATE = new context_state_t [_param->_nb_context]; |
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| 160 | reg_EVENT_ADDRESS = new Taddress_t [_param->_nb_context]; |
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| 161 | reg_EVENT_ADDRESS_EPCR = new Taddress_t [_param->_nb_context]; |
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| 162 | reg_EVENT_ADDRESS_EPCR_VAL = new Tcontrol_t [_param->_nb_context]; |
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| 163 | reg_EVENT_ADDRESS_EEAR = new Taddress_t [_param->_nb_context]; |
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| 164 | reg_EVENT_ADDRESS_EEAR_VAL = new Tcontrol_t [_param->_nb_context]; |
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| 165 | reg_EVENT_IS_DELAY_SLOT = new Tcontrol_t [_param->_nb_context]; |
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| 166 | reg_EVENT_IS_DS_TAKE = new Tcontrol_t [_param->_nb_context]; |
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| 167 | reg_EVENT_DEPTH = new Tdepth_t [_param->_nb_context]; |
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| 168 | |
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| 169 | // ~~~~~[ Internal ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 170 | internal_DECOD_EVENT_ACK = new Tcontrol_t [_param->_nb_decod_unit]; |
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| 171 | internal_COMMIT_EVENT_ACK = new Tcontrol_t [_param->_nb_ooo_engine]; |
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| 172 | internal_BRANCH_COMPLETE_ACK = new Tcontrol_t [_param->_nb_inst_branch_complete]; |
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| 173 | internal_EVENT_VAL = new Tcontrol_t [_param->_nb_context]; |
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| 174 | internal_SPR_VAL = new Tcontrol_t [_param->_nb_context]; |
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| 175 | |
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| 176 | // ~~~~~[ Component ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 177 | |
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| 178 | #ifdef POSITION |
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| 179 | if (usage_is_set(_usage,USE_POSITION)) |
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| 180 | _component->generate_file(); |
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| 181 | #endif |
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| 182 | |
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| 183 | log_end(Context_State,FUNCTION); |
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| 184 | }; |
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| 185 | |
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| 186 | }; // end namespace context_state |
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| 187 | }; // end namespace front_end |
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| 188 | }; // end namespace multi_front_end |
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| 189 | }; // end namespace core |
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| 190 | |
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| 191 | }; // end namespace behavioural |
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| 192 | }; // end namespace morpheo |
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