[78] | 1 | /* |
---|
| 2 | * $Id: Address_management_allocation.cpp 101 2009-01-15 17:19:08Z rosiere $ |
---|
| 3 | * |
---|
| 4 | * [ Description ] |
---|
| 5 | * |
---|
| 6 | */ |
---|
| 7 | |
---|
| 8 | #include "Behavioural/Core/Multi_Front_end/Front_end/Ifetch_unit/Address_management/include/Address_management.h" |
---|
| 9 | #include "Behavioural/include/Allocation.h" |
---|
| 10 | |
---|
| 11 | namespace morpheo { |
---|
| 12 | namespace behavioural { |
---|
| 13 | namespace core { |
---|
| 14 | namespace multi_front_end { |
---|
| 15 | namespace front_end { |
---|
| 16 | namespace ifetch_unit { |
---|
| 17 | namespace address_management { |
---|
| 18 | |
---|
| 19 | |
---|
| 20 | |
---|
| 21 | #undef FUNCTION |
---|
| 22 | #define FUNCTION "Address_management::allocation" |
---|
| 23 | void Address_management::allocation ( |
---|
| 24 | #ifdef STATISTICS |
---|
| 25 | morpheo::behavioural::Parameters_Statistics * param_statistics |
---|
| 26 | #else |
---|
| 27 | void |
---|
| 28 | #endif |
---|
| 29 | ) |
---|
| 30 | { |
---|
| 31 | log_printf(FUNC,Address_management,FUNCTION,"Begin"); |
---|
| 32 | |
---|
| 33 | _component = new Component (_usage); |
---|
| 34 | |
---|
| 35 | Entity * entity = _component->set_entity (_name |
---|
| 36 | ,"Address_management" |
---|
| 37 | #ifdef POSITION |
---|
| 38 | ,COMBINATORY |
---|
| 39 | #endif |
---|
| 40 | ); |
---|
| 41 | |
---|
| 42 | _interfaces = entity->set_interfaces(); |
---|
| 43 | |
---|
| 44 | // ~~~~~[ Interface : "" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 45 | { |
---|
| 46 | Interface * interface = _interfaces->set_interface("" |
---|
| 47 | #ifdef POSITION |
---|
| 48 | ,IN |
---|
| 49 | ,SOUTH, |
---|
| 50 | "Generalist interface" |
---|
| 51 | #endif |
---|
| 52 | ); |
---|
| 53 | |
---|
| 54 | in_CLOCK = interface->set_signal_clk ("clock" ,1, CLOCK_VHDL_YES); |
---|
| 55 | in_NRESET = interface->set_signal_in <Tcontrol_t> ("nreset",1, RESET_VHDL_YES); |
---|
| 56 | } |
---|
| 57 | |
---|
| 58 | // ~~~~~[ Interface : "address" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 59 | { |
---|
| 60 | ALLOC_INTERFACE("address", OUT, SOUTH, "Access at request icache."); |
---|
| 61 | |
---|
| 62 | ALLOC_VALACK_OUT (out_ADDRESS_VAL ,VAL); |
---|
| 63 | ALLOC_VALACK_IN ( in_ADDRESS_ACK ,ACK); |
---|
[88] | 64 | ALLOC_SIGNAL_OUT (out_ADDRESS_INSTRUCTION_ADDRESS ,"instruction_address" ,Tgeneral_address_t,_param->_size_instruction_address ); |
---|
| 65 | ALLOC_SIGNAL_OUT (out_ADDRESS_INST_IFETCH_PTR ,"inst_ifetch_ptr" ,Tinst_ifetch_ptr_t,_param->_size_inst_ifetch_ptr ); |
---|
[78] | 66 | ALLOC_SIGNAL_OUT (out_ADDRESS_BRANCH_STATE ,"branch_state" ,Tbranch_state_t ,_param->_size_branch_state ); |
---|
[88] | 67 | ALLOC_SIGNAL_OUT (out_ADDRESS_BRANCH_UPDATE_PREDICTION_ID,"branch_update_prediction_id",Tprediction_ptr_t ,_param->_size_depth); |
---|
[78] | 68 | } |
---|
| 69 | |
---|
| 70 | { |
---|
| 71 | ALLOC1_INTERFACE("address", OUT, SOUTH, "Access at request icache.",_param->_nb_instruction); |
---|
| 72 | |
---|
| 73 | ALLOC1_SIGNAL_OUT(out_ADDRESS_INSTRUCTION_ENABLE ,"instruction_enable" ,Tcontrol_t ,1); |
---|
| 74 | } |
---|
| 75 | |
---|
| 76 | // ~~~~~[ Interface : "predict" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 77 | { |
---|
| 78 | ALLOC_INTERFACE("predict", IN, NORTH, "Request the prediction unit."); |
---|
| 79 | |
---|
| 80 | ALLOC_VALACK_OUT (out_PREDICT_VAL ,VAL); |
---|
| 81 | ALLOC_VALACK_IN ( in_PREDICT_ACK ,ACK); |
---|
[88] | 82 | ALLOC_SIGNAL_OUT (out_PREDICT_PC_PREVIOUS ,"pc_previous" ,Tgeneral_address_t,_param->_size_instruction_address); |
---|
| 83 | ALLOC_SIGNAL_OUT (out_PREDICT_PC_CURRENT ,"pc_current" ,Tgeneral_address_t,_param->_size_instruction_address); |
---|
[78] | 84 | ALLOC_SIGNAL_OUT (out_PREDICT_PC_CURRENT_IS_DS_TAKE ,"pc_current_is_ds_take" ,Tcontrol_t ,1); |
---|
[88] | 85 | ALLOC_SIGNAL_IN ( in_PREDICT_PC_NEXT ,"pc_next" ,Tgeneral_address_t,_param->_size_instruction_address); |
---|
[78] | 86 | ALLOC_SIGNAL_IN ( in_PREDICT_PC_NEXT_IS_DS_TAKE ,"pc_next_is_ds_take" ,Tcontrol_t ,1); |
---|
[101] | 87 | // ALLOC_SIGNAL_IN ( in_PREDICT_BRANCH_IS_CURRENT ,"branch_is_current" ,Tcontrol_t ,1); |
---|
[78] | 88 | ALLOC_SIGNAL_IN ( in_PREDICT_BRANCH_STATE ,"branch_state" ,Tbranch_state_t ,_param->_size_branch_state); |
---|
[88] | 89 | ALLOC_SIGNAL_IN ( in_PREDICT_BRANCH_UPDATE_PREDICTION_ID,"branch_update_prediction_id",Tprediction_ptr_t ,_param->_size_depth); |
---|
[101] | 90 | ALLOC_SIGNAL_IN ( in_PREDICT_INST_IFETCH_PTR ,"inst_ifetch_ptr" ,Tinst_ifetch_ptr_t,_param->_size_inst_ifetch_ptr); |
---|
[78] | 91 | } |
---|
| 92 | { |
---|
| 93 | ALLOC1_INTERFACE("predict", IN, NORTH, "Request the prediction unit.",_param->_nb_instruction); |
---|
| 94 | |
---|
| 95 | ALLOC1_SIGNAL_IN (in_PREDICT_INSTRUCTION_ENABLE ,"instruction_enable" ,Tcontrol_t ,1); |
---|
| 96 | } |
---|
| 97 | |
---|
| 98 | // ~~~~~[ Interface "event" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 99 | { |
---|
| 100 | ALLOC_INTERFACE("event", IN, SOUTH, "Event (miss, exception ...)"); |
---|
| 101 | |
---|
[88] | 102 | ALLOC_VALACK_IN ( in_EVENT_VAL ,VAL); |
---|
| 103 | ALLOC_VALACK_OUT(out_EVENT_ACK ,ACK); |
---|
| 104 | ALLOC_SIGNAL_IN ( in_EVENT_ADDRESS ,"address" ,Tgeneral_address_t,_param->_size_instruction_address); |
---|
| 105 | ALLOC_SIGNAL_IN ( in_EVENT_ADDRESS_NEXT ,"address_next" ,Tgeneral_address_t,_param->_size_instruction_address); |
---|
| 106 | ALLOC_SIGNAL_IN ( in_EVENT_ADDRESS_NEXT_VAL,"address_next_val",Tcontrol_t,1); |
---|
| 107 | ALLOC_SIGNAL_IN ( in_EVENT_IS_DS_TAKE ,"is_ds_take" ,Tcontrol_t,1); |
---|
[78] | 108 | } |
---|
| 109 | |
---|
[88] | 110 | // ~~~~~[ Internal ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 111 | if (usage_is_set(_usage,USE_SYSTEMC)) |
---|
| 112 | { |
---|
[101] | 113 | ALLOC1(reg_PC_ACCESS_INSTRUCTION_ENABLE ,Tcontrol_t,_param->_nb_instruction); |
---|
| 114 | ALLOC1(reg_PC_CURRENT_INSTRUCTION_ENABLE,Tcontrol_t,_param->_nb_instruction); |
---|
| 115 | ALLOC1(reg_PC_NEXT_INSTRUCTION_ENABLE ,Tcontrol_t,_param->_nb_instruction); |
---|
[88] | 116 | } |
---|
| 117 | |
---|
[78] | 118 | // ~~~~~[ Component ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 119 | #ifdef POSITION |
---|
[88] | 120 | if (usage_is_set(_usage,USE_POSITION)) |
---|
| 121 | _component->generate_file(); |
---|
[78] | 122 | #endif |
---|
| 123 | |
---|
| 124 | log_printf(FUNC,Address_management,FUNCTION,"End"); |
---|
| 125 | }; |
---|
| 126 | |
---|
| 127 | }; // end namespace address_management |
---|
| 128 | }; // end namespace ifetch_unit |
---|
| 129 | }; // end namespace front_end |
---|
| 130 | }; // end namespace multi_front_end |
---|
| 131 | }; // end namespace core |
---|
| 132 | |
---|
| 133 | }; // end namespace behavioural |
---|
| 134 | }; // end namespace morpheo |
---|