1 | #ifndef morpheo_behavioural_core_multi_execute_loop_execute_loop_multi_execute_unit_execute_unit_load_store_unit_Load_store_unit_h |
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2 | #define morpheo_behavioural_core_multi_execute_loop_execute_loop_multi_execute_unit_execute_unit_load_store_unit_Load_store_unit_h |
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3 | |
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4 | /* |
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5 | * $Id$ |
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6 | * |
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7 | * [ Description ] |
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8 | * |
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9 | * Ce composant peut être amélioré en placant deux ptr de lecture au lieu d'un : un pour l'accès au cache et un pour le commit |
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10 | */ |
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11 | |
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12 | #ifdef SYSTEMC |
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13 | #include "systemc.h" |
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14 | #endif |
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15 | |
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16 | #include <iostream> |
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17 | #include "Common/include/ToString.h" |
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18 | #include "Common/include/Debug.h" |
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19 | |
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20 | #include "Behavioural/Generic/Queue_Control/include/Queue_Control.h" |
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21 | |
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22 | #include "Behavioural/Core/Multi_Execute_loop/Execute_loop/Multi_Execute_unit/Execute_unit/Load_store_unit/include/Types.h" |
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23 | #include "Behavioural/Generic/Queue_Control/include/Queue_Control.h" |
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24 | #include "Behavioural/Core/Multi_Execute_loop/Execute_loop/Multi_Execute_unit/Execute_unit/Load_store_unit/include/Parameters.h" |
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25 | #ifdef STATISTICS |
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26 | #include "Behavioural/include/Stat.h" |
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27 | #endif |
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28 | #include "Behavioural/include/Component.h" |
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29 | #ifdef VHDL |
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30 | #include "Behavioural/include/Vhdl.h" |
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31 | #endif |
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32 | |
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33 | using namespace std; |
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34 | using namespace morpheo::behavioural::generic::queue_control; |
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35 | |
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36 | namespace morpheo { |
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37 | namespace behavioural { |
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38 | namespace core { |
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39 | namespace multi_execute_loop { |
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40 | namespace execute_loop { |
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41 | namespace multi_execute_unit { |
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42 | namespace execute_unit { |
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43 | namespace load_store_unit { |
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44 | |
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45 | |
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46 | class Load_store_unit |
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47 | #if SYSTEMC |
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48 | : public sc_module |
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49 | #endif |
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50 | { |
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51 | // -----[ fields ]---------------------------------------------------- |
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52 | // Parameters |
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53 | protected : const string _name; |
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54 | |
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55 | protected : const Parameters * _param; |
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56 | |
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57 | #ifdef STATISTICS |
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58 | private : Stat * _stat; |
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59 | |
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60 | private : counter_t * _stat_use_store_queue; |
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61 | private : counter_t * _stat_use_load_queue; |
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62 | private : counter_t * _stat_use_speculative_access_queue; |
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63 | |
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64 | private : counter_t * _stat_average_use_store_queue; |
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65 | private : counter_t * _stat_average_use_load_queue; |
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66 | private : counter_t * _stat_average_use_speculative_access_queue; |
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67 | |
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68 | private : counter_t * _stat_percent_use_store_queue; |
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69 | private : counter_t * _stat_percent_use_load_queue; |
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70 | private : counter_t * _stat_percent_use_speculative_access_queue; |
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71 | |
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72 | // private : counter_t * _stat_nb_load_miss_speculation; |
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73 | // private : counter_t * _stat_nb_head_ko; |
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74 | |
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75 | // private : counter_t * _stat_nb_inst_load; |
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76 | // private : counter_t * _stat_nb_inst_store; |
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77 | // private : counter_t * _stat_nb_inst_lock; |
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78 | // private : counter_t * _stat_nb_inst_prefetch; |
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79 | // private : counter_t * _stat_nb_inst_invalid; |
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80 | // private : counter_t * _stat_nb_inst_flush; |
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81 | // private : counter_t * _stat_nb_inst_sync; |
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82 | #endif |
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83 | |
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84 | public : Component * _component; |
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85 | private : Interfaces * _interfaces; |
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86 | |
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87 | #ifdef SYSTEMC |
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88 | // ~~~~~[ Interface ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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89 | // Interface |
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90 | public : SC_CLOCK * in_CLOCK ; |
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91 | public : SC_IN (Tcontrol_t) * in_NRESET ; |
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92 | |
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93 | // ~~~~~[ Interface "memory_in" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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94 | public : SC_IN (Tcontrol_t ) * in_MEMORY_IN_VAL ; |
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95 | public : SC_OUT(Tcontrol_t ) * out_MEMORY_IN_ACK ; |
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96 | public : SC_IN (Tcontext_t ) * in_MEMORY_IN_CONTEXT_ID ; |
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97 | public : SC_IN (Tcontext_t ) * in_MEMORY_IN_FRONT_END_ID; |
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98 | public : SC_IN (Tcontext_t ) * in_MEMORY_IN_OOO_ENGINE_ID; |
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99 | public : SC_IN (Tpacket_t ) * in_MEMORY_IN_PACKET_ID ; |
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100 | public : SC_IN (Toperation_t ) * in_MEMORY_IN_OPERATION ; |
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101 | public : SC_IN (Tlsq_ptr_t ) * in_MEMORY_IN_STORE_QUEUE_PTR_WRITE; |
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102 | public : SC_IN (Tlsq_ptr_t ) * in_MEMORY_IN_LOAD_QUEUE_PTR_WRITE; |
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103 | //public : SC_IN (Tcontrol_t ) * in_MEMORY_IN_HAS_IMMEDIAT; |
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104 | public : SC_IN (Tgeneral_data_t ) * in_MEMORY_IN_IMMEDIAT ; // memory address |
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105 | public : SC_IN (Tgeneral_data_t ) * in_MEMORY_IN_DATA_RA ; // memory address |
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106 | public : SC_IN (Tgeneral_data_t ) * in_MEMORY_IN_DATA_RB ; // data (store) |
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107 | //public : SC_IN (Tspecial_data_t ) * in_MEMORY_IN_DATA_RC ; |
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108 | //public : SC_IN (Tcontrol_t ) * in_MEMORY_IN_WRITE_RD ; // = (operation==load) |
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109 | public : SC_IN (Tgeneral_address_t) * in_MEMORY_IN_NUM_REG_RD ; // destination (load) |
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110 | //public : SC_IN (Tcontrol_t ) * in_MEMORY_IN_WRITE_RE ; |
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111 | //public : SC_IN (Tspecial_address_t) * in_MEMORY_IN_NUM_REG_RE ; |
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112 | |
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113 | // ~~~~~[ Interface "memory_out" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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114 | public : SC_OUT(Tcontrol_t ) * out_MEMORY_OUT_VAL ; |
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115 | public : SC_IN (Tcontrol_t ) * in_MEMORY_OUT_ACK ; |
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116 | public : SC_OUT(Tcontext_t ) * out_MEMORY_OUT_CONTEXT_ID; |
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117 | public : SC_OUT(Tcontext_t ) * out_MEMORY_OUT_FRONT_END_ID; |
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118 | public : SC_OUT(Tcontext_t ) * out_MEMORY_OUT_OOO_ENGINE_ID; |
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119 | public : SC_OUT(Tpacket_t ) * out_MEMORY_OUT_PACKET_ID ; |
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120 | public : SC_OUT(Tcontrol_t ) * out_MEMORY_OUT_WRITE_RD ; // = (operation==load) |
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121 | public : SC_OUT(Tgeneral_address_t) * out_MEMORY_OUT_NUM_REG_RD; // destination (load) |
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122 | public : SC_OUT(Tgeneral_data_t ) * out_MEMORY_OUT_DATA_RD ; // data (load) |
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123 | //public : SC_OUT(Tcontrol_t ) * out_MEMORY_OUT_WRITE_RE ; |
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124 | //public : SC_OUT(Tspecial_address_t) * out_MEMORY_OUT_NUM_REG_RE; |
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125 | //public : SC_OUT(Tspecial_data_t ) * out_MEMORY_OUT_DATA_RE ; |
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126 | public : SC_OUT(Texception_t ) * out_MEMORY_OUT_EXCEPTION ; |
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127 | |
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128 | // ~~~~~[ Interface "dcache_req" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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129 | public : SC_OUT(Tcontrol_t ) * out_DCACHE_REQ_VAL ; |
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130 | public : SC_IN (Tcontrol_t ) * in_DCACHE_REQ_ACK ; |
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131 | public : SC_OUT(Tcontext_t ) * out_DCACHE_REQ_CONTEXT_ID; |
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132 | public : SC_OUT(Tpacket_t ) * out_DCACHE_REQ_PACKET_ID ; |
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133 | public : SC_OUT(Tdcache_address_t ) * out_DCACHE_REQ_ADDRESS ; |
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134 | public : SC_OUT(Tdcache_type_t ) * out_DCACHE_REQ_TYPE ; |
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135 | public : SC_OUT(Tdcache_data_t ) * out_DCACHE_REQ_WDATA ; |
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136 | |
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137 | // ~~~~~[ Interface "dcache_rsp" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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138 | public : SC_IN (Tcontrol_t ) * in_DCACHE_RSP_VAL ; |
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139 | public : SC_OUT(Tcontrol_t ) * out_DCACHE_RSP_ACK ; |
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140 | public : SC_IN (Tcontext_t ) * in_DCACHE_RSP_CONTEXT_ID; |
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141 | public : SC_IN (Tpacket_t ) * in_DCACHE_RSP_PACKET_ID ; |
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142 | public : SC_IN (Tdcache_data_t ) * in_DCACHE_RSP_RDATA ; |
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143 | public : SC_IN (Tdcache_error_t ) * in_DCACHE_RSP_ERROR ; |
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144 | |
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145 | // ~~~~~[ Interface "bypass_memory" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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146 | public : SC_OUT(Tcontrol_t ) ** out_BYPASS_MEMORY_VAL ; |
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147 | public : SC_OUT(Tcontext_t ) ** out_BYPASS_MEMORY_OOO_ENGINE_ID; |
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148 | public : SC_OUT(Tgeneral_address_t) ** out_BYPASS_MEMORY_NUM_REG ; |
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149 | public : SC_OUT(Tgeneral_data_t ) ** out_BYPASS_MEMORY_DATA ; |
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150 | |
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151 | // ~~~~~[ Component ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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152 | protected : Tstore_queue_entry_t * _store_queue; |
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153 | protected : Tload_queue_entry_t * _load_queue; |
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154 | protected : Tspeculative_access_queue_entry_t * _speculative_access_queue; |
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155 | protected : morpheo::behavioural::generic::queue_control::Queue_Control * _speculative_access_queue_control; |
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156 | |
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157 | // function pointer |
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158 | public : void (morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::Load_store_unit::*function_transition ) (void); |
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159 | public : void (morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::Load_store_unit::*function_genMoore ) (void); |
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160 | public : void (morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::Load_store_unit::*function_genMealy_dcache) (void); |
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161 | public : void (morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::Load_store_unit::*function_genMealy_insert) (void); |
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162 | public : void (morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::Load_store_unit::*function_genMealy_retire) (void); |
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163 | |
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164 | // ~~~~~[ Register ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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165 | |
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166 | // ~~~~~[ Internal ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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167 | |
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168 | // Registers |
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169 | public : Tlsq_ptr_t reg_STORE_QUEUE_PTR_READ; |
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170 | //public : Tlsq_ptr_t reg_LOAD_QUEUE_PTR_READ ; |
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171 | public : Tlsq_ptr_t reg_LOAD_QUEUE_CHECK_PRIORITY ; |
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172 | |
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173 | // signal |
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174 | public : Tlsq_ptr_t internal_SPECULATIVE_ACCESS_QUEUE_PTR_READ ; |
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175 | |
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176 | private : Tcontrol_t internal_MEMORY_IN_ACK; |
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177 | private : Tcontrol_t internal_MEMORY_OUT_VAL; |
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178 | private : Tselect_queue_t internal_MEMORY_OUT_SELECT_QUEUE; |
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179 | public : Tlsq_ptr_t internal_MEMORY_OUT_PTR; |
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180 | |
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181 | private : Tcontrol_t internal_DCACHE_RSP_ACK; |
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182 | private : Tcontrol_t internal_DCACHE_REQ_VAL; |
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183 | private : Tselect_queue_t internal_DCACHE_REQ_SELECT_QUEUE; |
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184 | #endif |
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185 | |
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186 | // -----[ methods ]--------------------------------------------------- |
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187 | |
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188 | #ifdef SYSTEMC |
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189 | SC_HAS_PROCESS (Load_store_unit); |
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190 | #endif |
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191 | public : Load_store_unit |
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192 | ( |
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193 | #ifdef SYSTEMC |
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194 | sc_module_name name, |
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195 | #else |
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196 | string name, |
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197 | #endif |
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198 | #ifdef STATISTICS |
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199 | morpheo::behavioural::Parameters_Statistics * param_statistics, |
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200 | #endif |
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201 | Parameters * param ); |
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202 | public : ~Load_store_unit (void); |
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203 | |
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204 | #ifdef SYSTEMC |
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205 | private : void allocation (void); |
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206 | private : void deallocation (void); |
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207 | |
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208 | public : void transition (void); |
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209 | public : void genMoore (void); |
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210 | public : void genMealy_dcache (void); |
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211 | public : void genMealy_insert (void); |
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212 | public : void genMealy_retire (void); |
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213 | |
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214 | public : void function_speculative_load_commit_transition (void); |
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215 | public : void function_speculative_load_commit_genMoore (void); |
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216 | public : void function_speculative_load_commit_genMealy_dcache (void); |
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217 | public : void function_speculative_load_commit_genMealy_insert (void); |
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218 | public : void function_speculative_load_commit_genMealy_retire (void); |
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219 | #endif |
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220 | |
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221 | #ifdef STATISTICS |
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222 | public : void statistics_declaration (morpheo::behavioural::Parameters_Statistics * param_statistics); |
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223 | public : string statistics_print (uint32_t depth); |
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224 | #endif |
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225 | |
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226 | #if VHDL |
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227 | public : void vhdl (void); |
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228 | private : void vhdl_declaration (Vhdl * & vhdl); |
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229 | private : void vhdl_body (Vhdl * & vhdl); |
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230 | #endif |
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231 | |
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232 | #if defined(STATISTICS) or defined(VHDL_TESTBENCH) |
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233 | private : void end_cycle (void); |
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234 | #endif |
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235 | }; |
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236 | |
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237 | }; // end namespace load_store_unit |
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238 | }; // end namespace execute_unit |
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239 | }; // end namespace multi_execute_unit |
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240 | }; // end namespace execute_loop |
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241 | }; // end namespace multi_execute_loop |
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242 | }; // end namespace core |
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243 | |
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244 | }; // end namespace behavioural |
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245 | }; // end namespace morpheo |
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246 | |
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247 | #endif |
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