1 | #ifdef SYSTEMC |
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2 | /* |
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3 | * $Id: Load_Store_pointer_unit_genMealy_insert.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_OOO_Engine/OOO_Engine/Rename_unit/Load_Store_pointer_unit/include/Load_Store_pointer_unit.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_ooo_engine { |
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15 | namespace ooo_engine { |
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16 | namespace rename_unit { |
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17 | namespace load_store_pointer_unit { |
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18 | |
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19 | |
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20 | #undef FUNCTION |
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21 | #define FUNCTION "Load_Store_pointer_unit::genMealy_insert" |
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22 | void Load_Store_pointer_unit::genMealy_insert (void) |
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23 | { |
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24 | log_begin(Load_Store_pointer_unit,FUNCTION); |
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25 | log_function(Load_Store_pointer_unit,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 | // TODO : limité à nb_inst_memory le nombre d'accès par lsq !!! |
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30 | |
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31 | uint32_t nb_use_lsq [_param->_nb_load_store_queue]; |
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32 | Tlsq_ptr_t STORE_QUEUE_PTR_WRITE [_param->_nb_load_store_queue]; |
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33 | bool STORE_QUEUE_USE [_param->_nb_load_store_queue][_param->_max_size_store_queue]; |
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34 | Tlsq_ptr_t STORE_QUEUE_NB_USE [_param->_nb_load_store_queue]; |
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35 | Tlsq_ptr_t LOAD_QUEUE_PTR_WRITE [_param->_nb_load_store_queue]; |
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36 | bool LOAD_QUEUE_USE [_param->_nb_load_store_queue][_param->_max_size_load_queue]; |
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37 | |
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38 | for (uint32_t i=0; i<_param->_nb_load_store_queue; i++) |
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39 | { |
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40 | nb_use_lsq [i] = _param->_nb_inst_memory[i]; |
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41 | |
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42 | STORE_QUEUE_PTR_WRITE [i] = reg_STORE_QUEUE_PTR_WRITE [i]; |
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43 | STORE_QUEUE_NB_USE [i] = reg_STORE_QUEUE_NB_USE [i]; |
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44 | LOAD_QUEUE_PTR_WRITE [i] = reg_LOAD_QUEUE_PTR_WRITE [i]; |
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45 | |
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46 | for (uint32_t j=0; j<_param->_size_store_queue[i]; j++) |
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47 | STORE_QUEUE_USE [i][j] = reg_STORE_QUEUE_USE [i][j]; |
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48 | for (uint32_t j=0; j<_param->_size_load_queue[i]; j++) |
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49 | LOAD_QUEUE_USE [i][j] = reg_LOAD_QUEUE_USE [i][j]; |
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50 | } |
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51 | |
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52 | for (uint32_t i=0; i<_param->_nb_inst_insert; i++) |
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53 | { |
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54 | log_printf(TRACE,Load_Store_pointer_unit,FUNCTION," * INSERT [%d]",i); |
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55 | |
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56 | Tcontrol_t ack = false; |
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57 | |
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58 | if ((PORT_READ(in_INSERT_VAL [i]) == true ) and |
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59 | (PORT_READ(in_INSERT_TYPE [i]) == TYPE_MEMORY)) |
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60 | { |
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61 | log_printf(TRACE,Load_Store_pointer_unit,FUNCTION," * type is memory"); |
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62 | |
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63 | Tcontext_t front_end_id = (_param->_have_port_front_end_id)?PORT_READ(in_INSERT_FRONT_END_ID [i]):0; |
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64 | Tcontext_t context_id = (_param->_have_port_context_id )?PORT_READ(in_INSERT_CONTEXT_ID [i]):0; |
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65 | uint32_t lsq = _param->_link_load_store_unit_with_thread[front_end_id][context_id]; |
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66 | |
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67 | log_printf(TRACE,Load_Store_pointer_unit,FUNCTION," * front_end_id : %d",front_end_id); |
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68 | log_printf(TRACE,Load_Store_pointer_unit,FUNCTION," * context_id : %d",context_id ); |
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69 | log_printf(TRACE,Load_Store_pointer_unit,FUNCTION," * lsq : %d",lsq ); |
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70 | |
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71 | // Test if a previous instruction use the same lsq |
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72 | // Authorize once memory access by load store unit |
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73 | if (nb_use_lsq [lsq] > 0) |
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74 | { |
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75 | nb_use_lsq [lsq] --; |
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76 | |
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77 | uint32_t ptr; |
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78 | |
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79 | PORT_WRITE(out_INSERT_STORE_QUEUE_PTR_WRITE [i], STORE_QUEUE_PTR_WRITE [lsq]); |
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80 | // PORT_WRITE(out_INSERT_STORE_QUEUE_PTR_READ [i], ((reg_STORE_QUEUE_PTR_READ [front_end_id][context_id]+1)%_param->_size_load_queue[lsq])); |
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81 | PORT_WRITE(out_INSERT_STORE_QUEUE_PTR_READ [i], reg_STORE_QUEUE_PTR_READ [front_end_id][context_id]); |
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82 | PORT_WRITE(out_INSERT_STORE_QUEUE_EMPTY [i], reg_STORE_QUEUE_EMPTY [front_end_id][context_id]); |
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83 | if (_param->_have_port_load_queue_ptr) |
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84 | PORT_WRITE(out_INSERT_LOAD_QUEUE_PTR_WRITE [i], LOAD_QUEUE_PTR_WRITE [lsq]); |
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85 | |
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86 | log_printf(TRACE,Load_Store_pointer_unit,FUNCTION," * sq_ptr_write : %d",STORE_QUEUE_PTR_WRITE [lsq]); |
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87 | log_printf(TRACE,Load_Store_pointer_unit,FUNCTION," * lq_ptr_write : %d",LOAD_QUEUE_PTR_WRITE [lsq]); |
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88 | |
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89 | // operation became of decod_stage. Also operation is != store_head_ok and store_head_ko |
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90 | if (is_operation_memory_store(PORT_READ(in_INSERT_OPERATION [i]))) |
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91 | { |
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92 | log_printf(TRACE,Load_Store_pointer_unit,FUNCTION," * USE_STORE_QUEUE"); |
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93 | |
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94 | internal_INSERT_OPERATION_USE [i] = OPERATION_USE_STORE_QUEUE; |
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95 | |
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96 | ptr = STORE_QUEUE_PTR_WRITE [lsq]; |
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97 | ack = not STORE_QUEUE_USE [lsq][ptr] and (static_cast<uint32_t>(STORE_QUEUE_NB_USE [lsq]+1) < _param->_size_store_queue[lsq]); |
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98 | |
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99 | if (ack) |
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100 | { |
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101 | STORE_QUEUE_PTR_WRITE [lsq] = (ptr+1)%_param->_size_store_queue[lsq]; |
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102 | STORE_QUEUE_NB_USE [lsq] ++; |
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103 | STORE_QUEUE_USE [lsq][ptr] = true; |
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104 | } |
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105 | } |
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106 | else |
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107 | { |
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108 | log_printf(TRACE,Load_Store_pointer_unit,FUNCTION," * USE_LOAD_QUEUE"); |
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109 | |
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110 | internal_INSERT_OPERATION_USE [i] = OPERATION_USE_LOAD_QUEUE; |
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111 | |
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112 | ptr = LOAD_QUEUE_PTR_WRITE [lsq]; |
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113 | ack = (not LOAD_QUEUE_USE [lsq][ptr]); |
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114 | |
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115 | if (ack) |
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116 | { |
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117 | LOAD_QUEUE_PTR_WRITE [lsq] = (ptr+1)%_param->_size_load_queue[lsq]; |
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118 | LOAD_QUEUE_USE [lsq][ptr] = true; |
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119 | } |
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120 | } |
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121 | |
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122 | log_printf(TRACE,Load_Store_pointer_unit,FUNCTION," * ptr : %d",ptr ); |
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123 | log_printf(TRACE,Load_Store_pointer_unit,FUNCTION," * ack : %d",ack ); |
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124 | |
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125 | internal_INSERT_LSQ [i] = lsq; |
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126 | internal_INSERT_PTR [i] = ptr; |
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127 | } |
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128 | } |
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129 | else |
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130 | { |
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131 | ack = true; |
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132 | |
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133 | internal_INSERT_OPERATION_USE [i] = OPERATION_USE_NONE; |
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134 | } |
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135 | |
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136 | // Write output |
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137 | internal_INSERT_ACK [i] = ack; |
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138 | } |
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139 | } |
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140 | else |
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141 | { |
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142 | for (uint32_t i=0; i<_param->_nb_inst_insert; i++) |
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143 | internal_INSERT_ACK [i] = 0; |
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144 | |
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145 | } |
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146 | |
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147 | for (uint32_t i=0; i<_param->_nb_inst_insert; i++) |
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148 | PORT_WRITE(out_INSERT_ACK [i], internal_INSERT_ACK [i]); |
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149 | |
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150 | log_end(Load_Store_pointer_unit,FUNCTION); |
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151 | }; |
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152 | |
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153 | }; // end namespace load_store_pointer_unit |
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154 | }; // end namespace rename_unit |
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155 | }; // end namespace ooo_engine |
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156 | }; // end namespace multi_ooo_engine |
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157 | }; // end namespace core |
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158 | |
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159 | }; // end namespace behavioural |
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160 | }; // end namespace morpheo |
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161 | #endif |
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