1 | #ifdef SYSTEMC |
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2 | /* |
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3 | * $Id: Direction_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/Direction_Glue/include/Direction_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 direction_glue { |
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19 | |
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20 | |
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21 | #undef FUNCTION |
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22 | #define FUNCTION "Direction_Glue::genMealy_predict" |
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23 | void Direction_Glue::genMealy_predict (void) |
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24 | { |
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25 | log_begin(Direction_Glue,FUNCTION); |
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26 | log_function(Direction_Glue,FUNCTION,_name.c_str()); |
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27 | |
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28 | if (PORT_READ(in_NRESET)) |
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29 | { |
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30 | // std::cout << "Kane (before) " << std::endl; |
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31 | // std::cout << _param << std::endl; |
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32 | // std::cout << _param->_nb_inst_update << std::endl; |
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33 | // std::cout << _param->_nb_inst_predict<< std::endl; |
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34 | // std::cout << "Kane (end) " << std::endl; |
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35 | |
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36 | |
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37 | // constant direction : never / always |
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38 | for (uint32_t i=0; i<_param->_nb_inst_predict; i++) |
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39 | { |
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40 | log_printf(TRACE,Direction_Glue,FUNCTION," * PREDICT [%d]",i); |
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41 | |
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42 | Tcontrol_t direction = false; |
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43 | |
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44 | switch (_param->_predictor_scheme) |
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45 | { |
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46 | // defined as constant in Direction_Glue.cpp |
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47 | // case PREDICTOR_NEVER_TAKE : |
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48 | // { |
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49 | // direction = 0; |
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50 | // break; |
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51 | // } |
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52 | // case PREDICTOR_ALWAYS_TAKE : |
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53 | // { |
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54 | // direction = 1; |
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55 | // break; |
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56 | // } |
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57 | case PREDICTOR_STATIC : |
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58 | { |
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59 | direction = PORT_READ(in_PREDICT_STATIC [i]); |
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60 | break; |
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61 | } |
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62 | case PREDICTOR_LAST_TAKE : |
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63 | { |
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64 | direction = PORT_READ(in_PREDICT_LAST_TAKE [i]); |
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65 | break; |
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66 | } |
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67 | case PREDICTOR_COUNTER : |
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68 | case PREDICTOR_LOCAL : |
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69 | case PREDICTOR_GLOBAL : |
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70 | case PREDICTOR_META : |
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71 | case PREDICTOR_CUSTOM : |
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72 | { |
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73 | // not use : |
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74 | // in_PREDICT_LAST_TAKE |
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75 | // in_PREDICT_STATIC |
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76 | |
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77 | direction = PORT_READ(in_PREDICT_PREDICTOR_DIRECTION [i]); |
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78 | |
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79 | PORT_WRITE(out_PREDICT_PREDICTOR_VAL [i], PORT_READ(in_PREDICT_VAL [i])); |
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80 | PORT_WRITE(out_PREDICT_ACK [i], PORT_READ(in_PREDICT_PREDICTOR_ACK [i])); |
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81 | PORT_WRITE(out_PREDICT_PREDICTOR_ADDRESS_SRC [i], PORT_READ(in_PREDICT_ADDRESS_SRC [i])); |
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82 | PORT_WRITE(out_PREDICT_HISTORY [i], PORT_READ(in_PREDICT_PREDICTOR_HISTORY [i])); |
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83 | |
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84 | break; |
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85 | } |
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86 | default : |
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87 | { |
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88 | ERRORMORPHEO(FUNCTION,"No valid predictor scheme"); |
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89 | break; |
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90 | } |
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91 | } |
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92 | |
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93 | log_printf(TRACE,Direction_Glue,FUNCTION," * direction : %d",direction); |
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94 | |
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95 | PORT_WRITE(out_PREDICT_DIRECTION [i], direction); |
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96 | } |
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97 | } |
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98 | else |
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99 | { |
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100 | //RESET |
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101 | for (uint32_t i=0; i<_param->_nb_inst_predict; i++) |
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102 | { |
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103 | if (_param->_have_component_meta_predictor) |
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104 | { |
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105 | PORT_WRITE(out_PREDICT_PREDICTOR_VAL [i], 0); |
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106 | PORT_WRITE(out_PREDICT_ACK [i], 0); |
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107 | } |
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108 | } |
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109 | } |
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110 | |
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111 | log_end(Direction_Glue,FUNCTION); |
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112 | }; |
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113 | |
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114 | }; // end namespace direction_glue |
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115 | }; // end namespace direction |
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116 | }; // end namespace prediction_unit |
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117 | }; // end namespace front_end |
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118 | }; // end namespace multi_front_end |
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119 | }; // end namespace core |
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120 | }; // end namespace behavioural |
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121 | }; // end namespace morpheo |
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122 | #endif |
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