[111] | 1 | #ifdef SYSTEMC |
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| 2 | /* |
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| 3 | * $Id: Meta_Predictor_Glue_genMealy_predict.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/Direction/Meta_Predictor/Meta_Predictor_Glue/include/Meta_Predictor_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 direction { |
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| 18 | namespace meta_predictor { |
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| 19 | namespace meta_predictor_glue { |
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| 20 | |
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| 21 | |
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| 22 | #undef FUNCTION |
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| 23 | #define FUNCTION "Meta_Predictor_Glue::genMealy_predict" |
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| 24 | void Meta_Predictor_Glue::genMealy_predict (void) |
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| 25 | { |
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| 26 | log_begin(Meta_Predictor_Glue,FUNCTION); |
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| 27 | log_function(Meta_Predictor_Glue,FUNCTION,_name.c_str()); |
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| 28 | |
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[123] | 29 | if (PORT_READ(in_NRESET)) |
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| 30 | { |
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[111] | 31 | for (uint32_t i=0; i<_param->_nb_inst_predict; ++i) |
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| 32 | { |
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| 33 | Thistory_t history ; |
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| 34 | Tcontrol_t direction; |
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| 35 | |
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| 36 | switch (_param->_nb_predictor) |
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| 37 | { |
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| 38 | case 1 : |
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| 39 | { |
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| 40 | history = PORT_READ(in_PREDICT_PREDICTOR_HISTORY [0][i]); |
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| 41 | direction = PORT_READ(in_PREDICT_PREDICTOR_DIRECTION [0][i]); |
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| 42 | |
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| 43 | if (_param->_predictor_update_on_prediction [0]) |
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| 44 | { |
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| 45 | PORT_WRITE(out_PREDICT_PREDICTOR_DIRECTION_VAL [0][i],true ); |
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| 46 | PORT_WRITE(out_PREDICT_PREDICTOR_DIRECTION [0][i],direction); |
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| 47 | } |
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| 48 | break; |
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| 49 | } |
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| 50 | case 3 : |
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| 51 | { |
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| 52 | Thistory_t history_0 = PORT_READ(in_PREDICT_PREDICTOR_HISTORY [0][i]); |
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| 53 | Thistory_t history_1 = PORT_READ(in_PREDICT_PREDICTOR_HISTORY [1][i]); |
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| 54 | Thistory_t history_2 = PORT_READ(in_PREDICT_PREDICTOR_HISTORY [2][i]); |
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| 55 | Tcontrol_t direction_0 = PORT_READ(in_PREDICT_PREDICTOR_DIRECTION [0][i]); |
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| 56 | Tcontrol_t direction_1 = PORT_READ(in_PREDICT_PREDICTOR_DIRECTION [1][i]); |
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| 57 | Tcontrol_t direction_2 = PORT_READ(in_PREDICT_PREDICTOR_DIRECTION [2][i]); |
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| 58 | |
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| 59 | history = ((history_0 <<_param->_predictor_history_shift [0]) | |
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| 60 | (history_1 <<_param->_predictor_history_shift [1]) | |
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| 61 | (history_2 <<_param->_predictor_history_shift [2])); |
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| 62 | |
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| 63 | direction = (( direction_2 and direction_1) or |
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| 64 | (not direction_2 and direction_0)); |
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| 65 | |
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| 66 | if (_param->_predictor_update_on_prediction [0]) |
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| 67 | { |
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| 68 | PORT_WRITE(out_PREDICT_PREDICTOR_DIRECTION_VAL [0][i],direction_2 == 0); |
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| 69 | PORT_WRITE(out_PREDICT_PREDICTOR_DIRECTION [0][i],direction); |
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| 70 | } |
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| 71 | if (_param->_predictor_update_on_prediction [1]) |
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| 72 | { |
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| 73 | PORT_WRITE(out_PREDICT_PREDICTOR_DIRECTION_VAL [1][i],direction_2 == 1); |
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| 74 | PORT_WRITE(out_PREDICT_PREDICTOR_DIRECTION [1][i],direction); |
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| 75 | } |
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| 76 | if (_param->_predictor_update_on_prediction [2]) |
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| 77 | { |
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| 78 | PORT_WRITE(out_PREDICT_PREDICTOR_DIRECTION_VAL [2][i],true); |
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| 79 | PORT_WRITE(out_PREDICT_PREDICTOR_DIRECTION [2][i],direction_2); |
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| 80 | } |
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| 81 | |
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| 82 | break; |
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| 83 | } |
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| 84 | default : |
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| 85 | { |
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| 86 | break; |
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| 87 | } |
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| 88 | } |
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| 89 | |
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| 90 | PORT_WRITE(out_PREDICT_HISTORY [i],history ); |
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| 91 | PORT_WRITE(out_PREDICT_DIRECTION [i],direction); |
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| 92 | } |
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[123] | 93 | } |
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| 94 | // else |
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| 95 | // { |
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| 96 | // } |
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[111] | 97 | |
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| 98 | log_end(Meta_Predictor_Glue,FUNCTION); |
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| 99 | }; |
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| 100 | |
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| 101 | }; // end namespace meta_predictor_glue |
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| 102 | }; // end namespace meta_predictor |
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| 103 | }; // end namespace direction |
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| 104 | }; // end namespace prediction_unit |
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| 105 | }; // end namespace front_end |
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| 106 | }; // end namespace multi_front_end |
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| 107 | }; // end namespace core |
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| 108 | |
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| 109 | }; // end namespace behavioural |
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| 110 | }; // end namespace morpheo |
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| 111 | #endif |
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