[78] | 1 | #ifdef SYSTEMC |
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| 2 | /* |
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| 3 | * $Id: Branch_Target_Buffer_Glue_genMealy_decod.cpp 123 2009-06-08 20:43:30Z rosiere $ |
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| 4 | * |
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| 5 | * [ Description ] |
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| 6 | * |
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| 7 | */ |
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| 8 | |
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| 9 | #include "Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Branch_Target_Buffer/Branch_Target_Buffer_Glue/include/Branch_Target_Buffer_Glue.h" |
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| 10 | |
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| 11 | namespace morpheo { |
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| 12 | namespace behavioural { |
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| 13 | namespace core { |
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| 14 | namespace multi_front_end { |
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| 15 | namespace front_end { |
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| 16 | namespace prediction_unit { |
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| 17 | namespace branch_target_buffer { |
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| 18 | namespace branch_target_buffer_glue { |
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| 19 | |
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| 20 | #undef FUNCTION |
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| 21 | #define FUNCTION "Branch_Target_Buffer_Glue::genMealy_decod" |
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| 22 | void Branch_Target_Buffer_Glue::genMealy_decod (void) |
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| 23 | { |
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[98] | 24 | log_begin(Branch_Target_Buffer_Glue,FUNCTION); |
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| 25 | log_function(Branch_Target_Buffer_Glue,FUNCTION,_name.c_str()); |
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[78] | 26 | |
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[123] | 27 | if (PORT_READ(in_NRESET)) |
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| 28 | { |
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[78] | 29 | for (uint32_t i=0; i<_param->_nb_inst_decod; i++) |
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| 30 | { |
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[98] | 31 | log_printf(TRACE,Branch_Target_Buffer_Glue,FUNCTION," * DECOD [%d]",i); |
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[78] | 32 | Tcontrol_t val = PORT_READ(in_DECOD_VAL [i]); |
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| 33 | Tcontrol_t register_ack = PORT_READ(in_DECOD_REGISTER_ACK [i]); |
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| 34 | Tcontrol_t victim_ack = (_param->_have_port_victim)?PORT_READ(in_DECOD_VICTIM_ACK [i]):true; |
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| 35 | |
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[98] | 36 | log_printf(TRACE,Branch_Target_Buffer_Glue,FUNCTION," * val : %d", val ); |
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| 37 | log_printf(TRACE,Branch_Target_Buffer_Glue,FUNCTION," * register_ack : %d", register_ack); |
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| 38 | log_printf(TRACE,Branch_Target_Buffer_Glue,FUNCTION," * victim_ack : %d", victim_ack ); |
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[78] | 39 | |
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[98] | 40 | PORT_WRITE(out_DECOD_ACK [i], ( |
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| 41 | // val and |
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| 42 | register_ack and |
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| 43 | victim_ack |
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| 44 | )); |
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| 45 | PORT_WRITE(out_DECOD_REGISTER_VAL [i], ( |
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| 46 | val and |
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| 47 | // register_ack and |
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| 48 | victim_ack |
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| 49 | )); |
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[78] | 50 | if (_param->_have_port_victim) |
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| 51 | { |
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[98] | 52 | PORT_WRITE(out_DECOD_VICTIM_VAL [i], ( |
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| 53 | val and |
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| 54 | register_ack // and |
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| 55 | // victim_ack |
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| 56 | )); |
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[78] | 57 | if (not _param->_is_full_associative) |
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[98] | 58 | { |
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| 59 | Tgeneral_data_t address_src = PORT_READ(in_DECOD_ADDRESS_SRC [i]); |
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| 60 | log_printf(TRACE,Branch_Target_Buffer_Glue,FUNCTION," * address_src : %.8x", address_src); |
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| 61 | |
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| 62 | PORT_WRITE(out_DECOD_VICTIM_ADDRESS [i], (address_src >> _param->_shift_bank)&_param->_mask_bank); |
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| 63 | } |
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[78] | 64 | } |
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| 65 | } |
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[123] | 66 | } |
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| 67 | else |
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| 68 | { |
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| 69 | for (uint32_t i=0; i<_param->_nb_inst_decod; i++) |
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| 70 | { |
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| 71 | PORT_WRITE(out_DECOD_ACK [i], 0); |
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| 72 | PORT_WRITE(out_DECOD_REGISTER_VAL [i], 0); |
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| 73 | if (_param->_have_port_victim) |
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| 74 | PORT_WRITE(out_DECOD_VICTIM_VAL [i], 0); |
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| 75 | } |
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| 76 | } |
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[78] | 77 | |
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[98] | 78 | log_end(Branch_Target_Buffer_Glue,FUNCTION); |
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[78] | 79 | }; |
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| 80 | |
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| 81 | }; // end namespace branch_target_buffer_glue |
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| 82 | }; // end namespace branch_target_buffer |
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| 83 | }; // end namespace prediction_unit |
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| 84 | }; // end namespace front_end |
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| 85 | }; // end namespace multi_front_end |
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| 86 | }; // end namespace core |
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| 87 | }; // end namespace behavioural |
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| 88 | }; // end namespace morpheo |
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| 89 | #endif |
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