[82] | 1 | #ifdef SYSTEMC |
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| 2 | /* |
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| 3 | * $Id$ |
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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/Prediction_unit_Glue/include/Prediction_unit_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 prediction_unit_glue { |
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| 18 | |
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| 19 | |
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| 20 | #undef FUNCTION |
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| 21 | #define FUNCTION "Prediction_unit_Glue::genMealy_update" |
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| 22 | void Prediction_unit_Glue::genMealy_update (void) |
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| 23 | { |
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[88] | 24 | log_begin(Prediction_unit_Glue,FUNCTION); |
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[98] | 25 | log_function(Prediction_unit_Glue,FUNCTION,_name.c_str()); |
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[82] | 26 | |
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[123] | 27 | if (PORT_READ(in_NRESET)) |
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| 28 | { |
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[98] | 29 | for (uint32_t i=0; i<_param->_nb_inst_branch_update; i++) |
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| 30 | { |
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| 31 | log_printf(TRACE,Prediction_unit_Glue,FUNCTION," * UPDATE [%d]",i); |
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| 32 | Tcontrol_t btb_ack = PORT_READ(in_UPDATE_BTB_ACK [i]); |
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| 33 | Tcontrol_t dir_ack = PORT_READ(in_UPDATE_DIR_ACK [i]); |
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| 34 | Tcontrol_t ras_ack = PORT_READ(in_UPDATE_RAS_ACK [i]); |
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| 35 | Tcontrol_t upt_val = PORT_READ(in_UPDATE_UPT_VAL [i]); |
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[82] | 36 | |
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[98] | 37 | Tcontrol_t upt_btb_val = PORT_READ(in_UPDATE_UPT_BTB_VAL [i]); |
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| 38 | Tcontrol_t upt_dir_val = PORT_READ(in_UPDATE_UPT_DIR_VAL [i]); |
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| 39 | Tcontrol_t upt_ras_val = PORT_READ(in_UPDATE_UPT_RAS_VAL [i]); |
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[82] | 40 | |
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[98] | 41 | log_printf(TRACE,Prediction_unit_Glue,FUNCTION," * upt_val : %d",upt_val); |
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| 42 | log_printf(TRACE,Prediction_unit_Glue,FUNCTION," * upt_btb_val - btb_ack : %d - %d",upt_btb_val, btb_ack); |
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| 43 | log_printf(TRACE,Prediction_unit_Glue,FUNCTION," * upt_dir_val - dir_ack : %d - %d",upt_dir_val, dir_ack); |
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| 44 | log_printf(TRACE,Prediction_unit_Glue,FUNCTION," * upt_ras_val - ras_ack : %d - %d",upt_ras_val, ras_ack); |
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[82] | 45 | |
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[98] | 46 | Tcontrol_t btb_val = (upt_val and |
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| 47 | upt_btb_val and |
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| 48 | // upt_dir_val and |
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| 49 | // upt_ras_val and |
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| 50 | // (not upt_btb_val or (upt_btb_val and btb_ack)) and |
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| 51 | (not upt_dir_val or (upt_dir_val and dir_ack)) and |
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| 52 | (not upt_ras_val or (upt_ras_val and ras_ack)) |
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| 53 | ); |
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[82] | 54 | |
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[98] | 55 | Tcontrol_t dir_val = (upt_val and |
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| 56 | // upt_btb_val and |
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| 57 | upt_dir_val and |
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| 58 | // upt_ras_val and |
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| 59 | (not upt_btb_val or (upt_btb_val and btb_ack)) and |
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| 60 | // (not upt_dir_val or (upt_dir_val and dir_ack)) and |
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| 61 | (not upt_ras_val or (upt_ras_val and ras_ack)) |
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| 62 | ); |
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[82] | 63 | |
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[98] | 64 | Tcontrol_t ras_val = (upt_val and |
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| 65 | // upt_btb_val and |
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| 66 | // upt_dir_val and |
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| 67 | upt_ras_val and |
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| 68 | (not upt_btb_val or (upt_btb_val and btb_ack)) and |
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| 69 | (not upt_dir_val or (upt_dir_val and dir_ack))// and |
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| 70 | // (not upt_ras_val or (upt_ras_val and ras_ack)) |
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| 71 | ); |
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[82] | 72 | |
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[98] | 73 | Tcontrol_t upt_ack = ( |
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| 74 | // upt_val and |
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| 75 | // upt_btb_val and |
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| 76 | // upt_dir_val and |
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| 77 | // upt_ras_val and |
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| 78 | (not upt_btb_val or (upt_btb_val and btb_ack)) and |
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| 79 | (not upt_dir_val or (upt_dir_val and dir_ack)) and |
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| 80 | (not upt_ras_val or (upt_ras_val and ras_ack)) |
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| 81 | ); |
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| 82 | |
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| 83 | log_printf(TRACE,Prediction_unit_Glue,FUNCTION," * btb_val : %d",btb_val); |
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| 84 | log_printf(TRACE,Prediction_unit_Glue,FUNCTION," * dir_val : %d",dir_val); |
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| 85 | log_printf(TRACE,Prediction_unit_Glue,FUNCTION," * ras_val : %d",ras_val); |
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| 86 | |
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| 87 | PORT_WRITE(out_UPDATE_BTB_VAL [i], btb_val); |
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| 88 | PORT_WRITE(out_UPDATE_DIR_VAL [i], dir_val); |
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| 89 | PORT_WRITE(out_UPDATE_RAS_VAL [i], ras_val); |
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| 90 | PORT_WRITE(out_UPDATE_UPT_ACK [i], upt_ack); |
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| 91 | } |
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[123] | 92 | } |
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| 93 | else |
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| 94 | { |
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| 95 | // RESET |
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| 96 | for (uint32_t i=0; i<_param->_nb_inst_branch_update; i++) |
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| 97 | { |
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| 98 | PORT_WRITE(out_UPDATE_BTB_VAL [i], 0); |
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| 99 | PORT_WRITE(out_UPDATE_DIR_VAL [i], 0); |
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| 100 | PORT_WRITE(out_UPDATE_RAS_VAL [i], 0); |
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| 101 | PORT_WRITE(out_UPDATE_UPT_ACK [i], 0); |
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| 102 | } |
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| 103 | } |
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[98] | 104 | |
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[88] | 105 | log_end(Prediction_unit_Glue,FUNCTION); |
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[82] | 106 | }; |
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| 107 | |
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| 108 | }; // end namespace prediction_unit_glue |
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| 109 | }; // end namespace prediction_unit |
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| 110 | }; // end namespace front_end |
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| 111 | }; // end namespace multi_front_end |
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| 112 | }; // end namespace core |
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| 113 | |
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| 114 | }; // end namespace behavioural |
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| 115 | }; // end namespace morpheo |
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| 116 | #endif |
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