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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24 | log_begin(Prediction_unit_Glue,FUNCTION); |
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25 | log_function(Prediction_unit_Glue,FUNCTION,_name.c_str()); |
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26 | |
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27 | if (PORT_READ(in_NRESET)) |
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28 | { |
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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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36 | |
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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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40 | |
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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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45 | |
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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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54 | |
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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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63 | |
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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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72 | |
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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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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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104 | |
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105 | log_end(Prediction_unit_Glue,FUNCTION); |
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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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