[55] | 1 | #ifdef SYSTEMC |
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| 2 | //#if defined(STATISTICS) or defined(VHDL_TESTBENCH) |
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| 3 | /* |
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| 4 | * $Id: Reservation_station_transition.cpp 128 2009-06-26 08:43:23Z rosiere $ |
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| 5 | * |
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| 6 | * [ Description ] |
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| 7 | * |
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| 8 | */ |
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| 9 | |
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| 10 | #include "Behavioural/Core/Multi_Execute_loop/Execute_loop/Multi_Read_unit/Read_unit/Reservation_station/include/Reservation_station.h" |
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| 11 | |
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| 12 | namespace morpheo { |
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| 13 | namespace behavioural { |
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| 14 | namespace core { |
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| 15 | namespace multi_execute_loop { |
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| 16 | namespace execute_loop { |
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| 17 | namespace multi_read_unit { |
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| 18 | namespace read_unit { |
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| 19 | namespace reservation_station { |
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| 20 | |
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[69] | 21 | #ifdef SYSTEMC_VHDL_COMPATIBILITY |
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[88] | 22 | #define dump_queue() \ |
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| 23 | do \ |
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| 24 | { \ |
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| 25 | log_printf(TRACE,Reservation_station,FUNCTION," * Dump Reservation Station"); \ |
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| 26 | for (uint32_t it_dump=0;it_dump<_param->_size_queue; it_dump++) \ |
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[98] | 27 | if (_queue_valid [it_dump]) \ |
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[122] | 28 | log_printf(TRACE,Reservation_station,FUNCTION," * [%.4d] %.2d %.2d %.2d %.4d, %.2d %.3d, %.2d %.2d %.1d %.2d, %.1d %.8x, %.4d %.1d %.8x, %.4d %.1d %.8x, %.4d %.1d %.2x, %.1d %.4d, %.1d %.4d (%s)", \ |
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[98] | 29 | it_dump, \ |
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| 30 | _queue[it_dump]._context_id , \ |
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| 31 | _queue[it_dump]._front_end_id , \ |
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| 32 | _queue[it_dump]._ooo_engine_id , \ |
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| 33 | _queue[it_dump]._rob_id , \ |
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| 34 | _queue[it_dump]._type , \ |
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| 35 | _queue[it_dump]._operation , \ |
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| 36 | _queue[it_dump]._store_queue_ptr_write, \ |
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[122] | 37 | _queue[it_dump]._store_queue_ptr_read , \ |
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| 38 | _queue[it_dump]._store_queue_empty , \ |
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[98] | 39 | _queue[it_dump]._load_queue_ptr_write , \ |
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| 40 | _queue[it_dump]._has_immediat , \ |
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| 41 | _queue[it_dump]._immediat , \ |
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| 42 | _queue[it_dump]._num_reg_ra , \ |
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| 43 | _queue[it_dump]._data_ra_val , \ |
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| 44 | _queue[it_dump]._data_ra , \ |
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| 45 | _queue[it_dump]._num_reg_rb , \ |
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| 46 | _queue[it_dump]._data_rb_val , \ |
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| 47 | _queue[it_dump]._data_rb , \ |
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| 48 | _queue[it_dump]._num_reg_rc , \ |
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| 49 | _queue[it_dump]._data_rc_val , \ |
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| 50 | _queue[it_dump]._data_rc , \ |
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| 51 | _queue[it_dump]._write_rd , \ |
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| 52 | _queue[it_dump]._num_reg_rd , \ |
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| 53 | _queue[it_dump]._write_re , \ |
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| 54 | _queue[it_dump]._num_reg_re , \ |
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| 55 | toString(_queue[it_dump]._type).c_str()); \ |
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[88] | 56 | } while (0) |
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[69] | 57 | #else |
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[88] | 58 | #define dump_queue() \ |
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| 59 | do \ |
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| 60 | { \ |
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| 61 | log_printf(TRACE,Reservation_station,FUNCTION," * Dump Reservation Station"); \ |
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| 62 | log_printf(TRACE,Reservation_station,FUNCTION," * nb_elt : %d",_queue_control->nb_elt()); \ |
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| 63 | for (uint32_t it_dump=0;it_dump<_param->_size_queue; it_dump++) \ |
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[118] | 64 | if (it_dump < _queue_control->nb_elt()) \ |
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[122] | 65 | log_printf(TRACE,Reservation_station,FUNCTION," * [%.4d] %.2d %.2d %.2d %.4d, %.2d %.3d, %.2d %.2d %.1d %.2d, %.1d %.8x, %.4d %.1d %.8x, %.4d %.1d %.8x, %.4d %.1d %.2x, %.1d %.4d, %.1d %.4d (%s)", \ |
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[118] | 66 | (*_queue_control)[it_dump], \ |
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| 67 | _queue[(*_queue_control)[it_dump]]._context_id , \ |
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| 68 | _queue[(*_queue_control)[it_dump]]._front_end_id , \ |
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| 69 | _queue[(*_queue_control)[it_dump]]._ooo_engine_id , \ |
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| 70 | _queue[(*_queue_control)[it_dump]]._rob_id , \ |
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| 71 | _queue[(*_queue_control)[it_dump]]._type , \ |
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| 72 | _queue[(*_queue_control)[it_dump]]._operation , \ |
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| 73 | _queue[(*_queue_control)[it_dump]]._store_queue_ptr_write, \ |
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[122] | 74 | _queue[(*_queue_control)[it_dump]]._store_queue_ptr_read , \ |
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| 75 | _queue[(*_queue_control)[it_dump]]._store_queue_empty , \ |
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[118] | 76 | _queue[(*_queue_control)[it_dump]]._load_queue_ptr_write , \ |
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| 77 | _queue[(*_queue_control)[it_dump]]._has_immediat , \ |
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| 78 | _queue[(*_queue_control)[it_dump]]._immediat , \ |
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| 79 | _queue[(*_queue_control)[it_dump]]._num_reg_ra , \ |
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| 80 | _queue[(*_queue_control)[it_dump]]._data_ra_val , \ |
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| 81 | _queue[(*_queue_control)[it_dump]]._data_ra , \ |
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| 82 | _queue[(*_queue_control)[it_dump]]._num_reg_rb , \ |
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| 83 | _queue[(*_queue_control)[it_dump]]._data_rb_val , \ |
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| 84 | _queue[(*_queue_control)[it_dump]]._data_rb , \ |
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| 85 | _queue[(*_queue_control)[it_dump]]._num_reg_rc , \ |
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| 86 | _queue[(*_queue_control)[it_dump]]._data_rc_val , \ |
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| 87 | _queue[(*_queue_control)[it_dump]]._data_rc , \ |
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| 88 | _queue[(*_queue_control)[it_dump]]._write_rd , \ |
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| 89 | _queue[(*_queue_control)[it_dump]]._num_reg_rd , \ |
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| 90 | _queue[(*_queue_control)[it_dump]]._write_re , \ |
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| 91 | _queue[(*_queue_control)[it_dump]]._num_reg_re , \ |
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| 92 | toString(_queue[(*_queue_control)[it_dump]]._type).c_str()); \ |
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| 93 | else \ |
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| 94 | log_printf(TRACE,Reservation_station,FUNCTION," * [%.4d]", \ |
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| 95 | (*_queue_control)[it_dump]); \ |
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[88] | 96 | } while (0) |
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[69] | 97 | #endif |
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[55] | 98 | |
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| 99 | #undef FUNCTION |
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| 100 | #define FUNCTION "Reservation_station::transition" |
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| 101 | void Reservation_station::transition (void) |
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| 102 | { |
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[88] | 103 | log_begin(Reservation_station,FUNCTION); |
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| 104 | log_function(Reservation_station,FUNCTION,_name.c_str()); |
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[55] | 105 | |
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| 106 | if (PORT_READ(in_NRESET) == 0) |
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| 107 | { |
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[69] | 108 | #ifdef SYSTEMC_VHDL_COMPATIBILITY |
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| 109 | for (uint32_t i=0; i<_param->_size_queue; i++) |
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| 110 | _queue_valid [i] = false; |
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| 111 | #else |
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[55] | 112 | _queue_control->clear(); |
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[69] | 113 | #endif |
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[128] | 114 | |
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| 115 | for (uint32_t i=0; i<_param->_size_queue; i++) |
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| 116 | { |
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| 117 | _queue[i]._context_id = 0; // not necessary |
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| 118 | _queue[i]._front_end_id = 0; // not necessary |
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| 119 | _queue[i]._ooo_engine_id = 0; // not necessary |
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| 120 | _queue[i]._rob_id = 0; // not necessary |
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| 121 | _queue[i]._operation = 0; // not necessary |
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| 122 | _queue[i]._type = 0; // not necessary |
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| 123 | _queue[i]._store_queue_ptr_write = 0; // not necessary |
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| 124 | _queue[i]._store_queue_ptr_read = 0; // not necessary |
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| 125 | _queue[i]._store_queue_empty = 0; // not necessary |
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| 126 | _queue[i]._load_queue_ptr_write = 0; // not necessary |
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| 127 | _queue[i]._has_immediat = 0; // not necessary |
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| 128 | _queue[i]._immediat = 0; // not necessary |
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| 129 | // _queue[i]._read_ra = 0; // not necessary |
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| 130 | _queue[i]._num_reg_ra = 0; // not necessary |
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| 131 | _queue[i]._data_ra_val = 0; // not necessary |
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| 132 | _queue[i]._data_ra = 0; // not necessary |
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| 133 | // _queue[i]._read_rb = 0; // not necessary |
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| 134 | _queue[i]._num_reg_rb = 0; // not necessary |
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| 135 | _queue[i]._data_rb_val = 0; // not necessary |
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| 136 | _queue[i]._data_rb = 0; // not necessary |
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| 137 | // _queue[i]._read_rc = 0; // not necessary |
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| 138 | _queue[i]._num_reg_rc = 0; // not necessary |
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| 139 | _queue[i]._data_rc_val = 0; // not necessary |
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| 140 | _queue[i]._data_rc = 0; // not necessary |
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| 141 | _queue[i]._write_rd = 0; // not necessary |
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| 142 | _queue[i]._num_reg_rd = 0; // not necessary |
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| 143 | _queue[i]._write_re = 0; // not necessary |
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| 144 | _queue[i]._num_reg_re = 0; // not necessary |
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| 145 | } |
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[55] | 146 | } |
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| 147 | else |
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| 148 | { |
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| 149 | // ***** POP from reservation station |
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| 150 | |
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| 151 | // scan in reverse order, because when we pop the queue there are an auto reorder |
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[69] | 152 | //for (int32_t i=(static_cast<int32_t>(_queue_control->nb_elt()))-1;i>=0; i--) |
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| 153 | for (int32_t i=(static_cast<int32_t>(_param->_nb_inst_retire))-1;i>=0; i--) |
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[55] | 154 | { |
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[69] | 155 | if (( internal_RETIRE_VAL [i] == 1) and |
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| 156 | (PORT_READ(in_RETIRE_ACK [i]) == 1)) |
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[55] | 157 | { |
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[69] | 158 | //uint32_t index = (*_queue_control)[i]; |
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| 159 | |
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[88] | 160 | log_printf(NONE,Reservation_station,FUNCTION," * POP [%d]",i); |
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[55] | 161 | |
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[69] | 162 | uint32_t index = internal_RETIRE_SLOT[i]; |
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[55] | 163 | |
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[69] | 164 | #ifdef SYSTEMC_VHDL_COMPATIBILITY |
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| 165 | _queue_valid [index] = false; |
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| 166 | #else |
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| 167 | _queue_control->pop(index); |
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| 168 | #endif |
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[70] | 169 | // cout << "========== Transition : " << endl |
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| 170 | // << " * i : " << i << endl |
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| 171 | // << " * index : " << index << endl; |
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| 172 | |
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[88] | 173 | log_printf(NONE,Reservation_station,FUNCTION," * index : %d",index); |
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[55] | 174 | } |
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| 175 | } |
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[70] | 176 | |
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| 177 | // dump_queue(); |
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[55] | 178 | |
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| 179 | // ***** Bypass |
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| 180 | // Note : we can take this sequence code before the PUSH in the queue, because read_queue make the bypass !!! |
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| 181 | |
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| 182 | // scan all entry |
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[69] | 183 | for (uint32_t i=0; |
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| 184 | #ifdef SYSTEMC_VHDL_COMPATIBILITY |
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| 185 | i<_param->_size_queue; |
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| 186 | #else |
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| 187 | i<_queue_control->nb_elt(); |
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| 188 | #endif |
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| 189 | i++) |
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[55] | 190 | { |
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[69] | 191 | uint32_t index; |
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| 192 | #ifdef SYSTEMC_VHDL_COMPATIBILITY |
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| 193 | index = i; |
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| 194 | #else |
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| 195 | index = (*_queue_control)[i]; |
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| 196 | #endif |
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[55] | 197 | |
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| 198 | // ***** bypass - gpr_write |
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| 199 | for (uint32_t j=0; j<_param->_nb_gpr_write; j++) |
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| 200 | { |
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[69] | 201 | bool cmp; |
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| 202 | if (_param->_have_port_ooo_engine_id) |
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| 203 | cmp = (PORT_READ(in_GPR_WRITE_OOO_ENGINE_ID [j]) == _queue[index]._ooo_engine_id); |
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| 204 | else |
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| 205 | cmp = true; |
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| 206 | |
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| 207 | if ((PORT_READ(in_GPR_WRITE_VAL [j]) == 1) and cmp) |
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[55] | 208 | { |
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| 209 | if (PORT_READ(in_GPR_WRITE_NUM_REG [j]) == _queue[index]._num_reg_ra) |
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| 210 | { |
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[88] | 211 | log_printf(TRACE,Reservation_station,FUNCTION," -> GPR_WRITE [%d] - Hit queue[%d]-GPR_RA[%d]",i,index,_queue[index]._num_reg_ra); |
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[55] | 212 | _queue[index]._data_ra_val = 1; |
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| 213 | _queue[index]._data_ra = PORT_READ(in_GPR_WRITE_DATA [j]); |
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| 214 | } |
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| 215 | if (PORT_READ(in_GPR_WRITE_NUM_REG [j]) == _queue[index]._num_reg_rb) |
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| 216 | { |
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[88] | 217 | log_printf(TRACE,Reservation_station,FUNCTION," -> GPR_WRITE [%d] - Hit queue[%d]-GPR_RB[%d]",i,index,_queue[index]._num_reg_rb); |
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[55] | 218 | _queue[index]._data_rb_val = 1; |
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| 219 | _queue[index]._data_rb = PORT_READ(in_GPR_WRITE_DATA [j]); |
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| 220 | } |
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| 221 | } |
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| 222 | } |
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| 223 | // ***** bypass - spr_write |
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| 224 | for (uint32_t j=0; j<_param->_nb_spr_write; j++) |
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| 225 | { |
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[69] | 226 | bool cmp; |
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| 227 | if (_param->_have_port_ooo_engine_id) |
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| 228 | cmp = (PORT_READ(in_SPR_WRITE_OOO_ENGINE_ID [j]) == _queue[index]._ooo_engine_id); |
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| 229 | else |
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| 230 | cmp = true; |
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| 231 | |
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| 232 | if ((PORT_READ(in_SPR_WRITE_VAL [j]) == 1) and |
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| 233 | cmp and |
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| 234 | (PORT_READ(in_SPR_WRITE_NUM_REG [j]) == _queue[index]._num_reg_rc)) |
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[55] | 235 | { |
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[88] | 236 | log_printf(TRACE,Reservation_station,FUNCTION," -> SPR_WRITE [%d] - Hit queue[%d]-SPR_RC[%d]",i,index,_queue[index]._num_reg_rc); |
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[55] | 237 | _queue[index]._data_rc_val = 1; |
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| 238 | _queue[index]._data_rc = PORT_READ(in_SPR_WRITE_DATA [j]); |
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| 239 | } |
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| 240 | } |
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| 241 | // ***** bypass - bypass_write |
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| 242 | for (uint32_t j=0; j<_param->_nb_bypass_write; j++) |
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| 243 | { |
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[69] | 244 | bool cmp; |
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| 245 | if (_param->_have_port_ooo_engine_id) |
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| 246 | cmp = (PORT_READ(in_BYPASS_WRITE_OOO_ENGINE_ID [j]) == _queue[index]._ooo_engine_id); |
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| 247 | else |
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| 248 | cmp = true; |
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| 249 | |
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| 250 | if (cmp) |
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[55] | 251 | { |
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| 252 | if (PORT_READ(in_BYPASS_WRITE_GPR_VAL [j]) == 1) |
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| 253 | { |
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| 254 | if (PORT_READ(in_BYPASS_WRITE_GPR_NUM_REG[j]) == _queue[index]._num_reg_ra) |
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| 255 | { |
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[88] | 256 | log_printf(TRACE,Reservation_station,FUNCTION," -> BYPASS_WRITE [%d] - Hit queue[%d]-GPR_RA[%d]",i,index,_queue[index]._num_reg_ra); |
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[55] | 257 | _queue[index]._data_ra_val = 1; |
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| 258 | _queue[index]._data_ra = PORT_READ(in_BYPASS_WRITE_GPR_DATA [j]); |
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| 259 | } |
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| 260 | if (PORT_READ(in_BYPASS_WRITE_GPR_NUM_REG [j]) == _queue[index]._num_reg_rb) |
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| 261 | { |
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[88] | 262 | log_printf(TRACE,Reservation_station,FUNCTION," -> BYPASS_WRITE [%d] - Hit queue[%d]-GPR_RB[%d]",i,index,_queue[index]._num_reg_rb); |
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[55] | 263 | _queue[index]._data_rb_val = 1; |
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| 264 | _queue[index]._data_rb = PORT_READ(in_BYPASS_WRITE_GPR_DATA [j]); |
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| 265 | } |
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| 266 | } |
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| 267 | if ((PORT_READ(in_BYPASS_WRITE_SPR_VAL [j]) == 1) and |
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| 268 | (PORT_READ(in_BYPASS_WRITE_SPR_NUM_REG[j]) == _queue[index]._num_reg_rc)) |
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| 269 | { |
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[88] | 270 | log_printf(TRACE,Reservation_station,FUNCTION," -> BYPASS_WRITE [%d] - Hit queue[%d]-SPR_RC[%d]",i,index,_queue[index]._num_reg_rc); |
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[55] | 271 | _queue[index]._data_rc_val = 1; |
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| 272 | _queue[index]._data_rc = PORT_READ(in_BYPASS_WRITE_SPR_DATA [j]); |
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| 273 | } |
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| 274 | } |
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| 275 | } |
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| 276 | // ***** bypass - bypass_memory |
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| 277 | for (uint32_t j=0; j<_param->_nb_bypass_memory; j++) |
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| 278 | { |
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[69] | 279 | bool cmp; |
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| 280 | if (_param->_have_port_ooo_engine_id) |
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| 281 | cmp = (PORT_READ(in_BYPASS_MEMORY_OOO_ENGINE_ID [j]) == _queue[index]._ooo_engine_id); |
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| 282 | else |
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| 283 | cmp = true; |
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| 284 | |
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| 285 | if ((PORT_READ(in_BYPASS_MEMORY_VAL [j]) == 1) and cmp) |
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[55] | 286 | { |
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| 287 | if (PORT_READ(in_BYPASS_MEMORY_NUM_REG [j]) == _queue[index]._num_reg_ra) |
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| 288 | { |
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[88] | 289 | log_printf(TRACE,Reservation_station,FUNCTION," -> BYPASS_MEMORY [%d] - Hit queue[%d]-GPR_RA[%d]",i,index,_queue[index]._num_reg_ra); |
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[55] | 290 | _queue[index]._data_ra_val = 1; |
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| 291 | _queue[index]._data_ra = PORT_READ(in_BYPASS_MEMORY_DATA [j]); |
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| 292 | } |
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| 293 | if (PORT_READ(in_BYPASS_MEMORY_NUM_REG [j]) == _queue[index]._num_reg_rb) |
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| 294 | { |
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[88] | 295 | log_printf(TRACE,Reservation_station,FUNCTION," -> BYPASS_MEMORY [%d] - Hit queue[%d]-GPR_RB[%d]",i,index,_queue[index]._num_reg_rb); |
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[55] | 296 | _queue[index]._data_rb_val = 1; |
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| 297 | _queue[index]._data_rb = PORT_READ(in_BYPASS_MEMORY_DATA [j]); |
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| 298 | } |
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| 299 | } |
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| 300 | } |
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| 301 | } |
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[69] | 302 | // ***** PUSH to reservation station |
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| 303 | if ((PORT_READ(in_INSERT_VAL) == 1) and |
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| 304 | ( internal_INSERT_ACK == 1)) |
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| 305 | { |
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[88] | 306 | log_printf(TRACE,Reservation_station,FUNCTION," * PUSH"); |
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[55] | 307 | |
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[69] | 308 | // Write in reservation station |
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| 309 | uint32_t index; |
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[55] | 310 | |
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[69] | 311 | #ifdef SYSTEMC_VHDL_COMPATIBILITY |
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| 312 | index = internal_INSERT_SLOT; |
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| 313 | _queue_valid [internal_INSERT_SLOT] = true; |
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| 314 | #else |
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| 315 | index = _queue_control->push(); |
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[55] | 316 | #endif |
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[88] | 317 | log_printf(TRACE,Reservation_station,FUNCTION," * index : %d",index); |
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[55] | 318 | |
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[69] | 319 | if (_param->_have_port_context_id) |
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| 320 | _queue[index]._context_id = PORT_READ(in_INSERT_CONTEXT_ID ); |
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| 321 | if (_param->_have_port_front_end_id) |
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| 322 | _queue[index]._front_end_id = PORT_READ(in_INSERT_FRONT_END_ID ); |
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| 323 | if (_param->_have_port_ooo_engine_id) |
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| 324 | _queue[index]._ooo_engine_id = PORT_READ(in_INSERT_OOO_ENGINE_ID ); |
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[88] | 325 | if (_param->_have_port_rob_ptr) |
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[69] | 326 | _queue[index]._rob_id = PORT_READ(in_INSERT_ROB_ID ); |
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| 327 | _queue[index]._operation = PORT_READ(in_INSERT_OPERATION ); |
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| 328 | _queue[index]._type = PORT_READ(in_INSERT_TYPE ); |
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[76] | 329 | _queue[index]._store_queue_ptr_write = PORT_READ(in_INSERT_STORE_QUEUE_PTR_WRITE); |
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[122] | 330 | _queue[index]._store_queue_ptr_read = PORT_READ(in_INSERT_STORE_QUEUE_PTR_READ ); |
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| 331 | _queue[index]._store_queue_empty = PORT_READ(in_INSERT_STORE_QUEUE_EMPTY ); |
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[78] | 332 | if (_param->_have_port_load_queue_ptr) |
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[76] | 333 | _queue[index]._load_queue_ptr_write = PORT_READ(in_INSERT_LOAD_QUEUE_PTR_WRITE ); |
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[69] | 334 | _queue[index]._has_immediat = PORT_READ(in_INSERT_HAS_IMMEDIAT ); |
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| 335 | _queue[index]._immediat = PORT_READ(in_INSERT_IMMEDIAT ); |
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| 336 | // _queue[index]._read_ra = PORT_READ(in_INSERT_READ_RA ); |
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| 337 | _queue[index]._num_reg_ra = PORT_READ(in_INSERT_NUM_REG_RA ); |
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| 338 | _queue[index]._data_ra_val = PORT_READ(in_INSERT_DATA_RA_VAL ); |
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| 339 | _queue[index]._data_ra = PORT_READ(in_INSERT_DATA_RA ); |
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| 340 | // _queue[index]._read_rb = PORT_READ(in_INSERT_READ_RB ); |
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| 341 | _queue[index]._num_reg_rb = PORT_READ(in_INSERT_NUM_REG_RB ); |
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| 342 | _queue[index]._data_rb_val = PORT_READ(in_INSERT_DATA_RB_VAL ); |
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| 343 | _queue[index]._data_rb = PORT_READ(in_INSERT_DATA_RB ); |
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| 344 | // _queue[index]._read_rc = PORT_READ(in_INSERT_READ_RC ); |
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| 345 | _queue[index]._num_reg_rc = PORT_READ(in_INSERT_NUM_REG_RC ); |
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| 346 | _queue[index]._data_rc_val = PORT_READ(in_INSERT_DATA_RC_VAL ); |
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| 347 | _queue[index]._data_rc = PORT_READ(in_INSERT_DATA_RC ); |
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| 348 | _queue[index]._write_rd = PORT_READ(in_INSERT_WRITE_RD ); |
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| 349 | _queue[index]._num_reg_rd = PORT_READ(in_INSERT_NUM_REG_RD ); |
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| 350 | _queue[index]._write_re = PORT_READ(in_INSERT_WRITE_RE ); |
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| 351 | _queue[index]._num_reg_re = PORT_READ(in_INSERT_NUM_REG_RE ); |
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| 352 | // dump_queue(); |
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| 353 | } |
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| 354 | } |
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| 355 | |
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[88] | 356 | dump_queue(); |
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| 357 | |
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[69] | 358 | end_cycle (); |
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| 359 | |
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[88] | 360 | log_end(Reservation_station,FUNCTION); |
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[55] | 361 | }; |
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| 362 | |
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| 363 | }; // end namespace reservation_station |
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| 364 | }; // end namespace read_unit |
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| 365 | }; // end namespace multi_read_unit |
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| 366 | }; // end namespace execute_loop |
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| 367 | }; // end namespace multi_execute_loop |
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| 368 | }; // end namespace core |
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| 369 | |
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| 370 | }; // end namespace behavioural |
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| 371 | }; // end namespace morpheo |
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| 372 | #endif |
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| 373 | //#endif |
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