[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 | * $Id$ |
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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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| 21 | #define dump_queue() \ |
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| 22 | do\ |
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| 23 | {\ |
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| 24 | log_printf(TRACE,Reservation_station,FUNCTION," * dump queue");\ |
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| 25 | log_printf(TRACE,Reservation_station,FUNCTION," * nb_elt : %d",_queue_nb_elt);\ |
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| 26 | for (uint32_t j=0;j<_param->_size_queue; j++)\ |
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| 27 | {\ |
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| 28 | cout << "\t"\ |
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| 29 | << "[" << (*_queue_control)[j] << "] "\ |
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| 30 | << "{" << _queue[(*_queue_control)[j]]._packet_id << " - "<< _queue[(*_queue_control)[j]]._context_id << "} "\ |
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| 31 | << _queue[(*_queue_control)[j]]._data_ra_val << ", "\ |
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| 32 | << _queue[(*_queue_control)[j]]._num_reg_ra << " - "\ |
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| 33 | << _queue[(*_queue_control)[j]]._data_rb_val << ","\ |
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| 34 | << _queue[(*_queue_control)[j]]._num_reg_rb << " - "\ |
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| 35 | << _queue[(*_queue_control)[j]]._data_rc_val << ","\ |
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| 36 | << _queue[(*_queue_control)[j]]._num_reg_rc \ |
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| 37 | << endl;\ |
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| 38 | }\ |
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| 39 | } while (0) |
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| 40 | |
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| 41 | #undef FUNCTION |
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| 42 | #define FUNCTION "Reservation_station::transition" |
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| 43 | void Reservation_station::transition (void) |
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| 44 | { |
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| 45 | log_printf(FUNC,Reservation_station,FUNCTION,"Begin"); |
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| 46 | |
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| 47 | if (PORT_READ(in_NRESET) == 0) |
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| 48 | { |
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| 49 | _queue_control->clear(); |
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| 50 | } |
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| 51 | else |
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| 52 | { |
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| 53 | // ***** PUSH to reservation station |
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| 54 | if ((PORT_READ(in_RESERVATION_STATION_IN_VAL) == 1) and |
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| 55 | ( internal_RESERVATION_STATION_IN_ACK == 1)) |
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| 56 | { |
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| 57 | log_printf(TRACE,Reservation_station,FUNCTION,"PUSH"); |
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| 58 | |
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| 59 | // Write in reservation station |
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[56] | 60 | uint32_t index = _queue_control->push(); |
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[55] | 61 | |
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| 62 | log_printf(TRACE,Reservation_station,FUNCTION," * index : %d",index); |
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| 63 | |
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| 64 | _queue[index]._context_id = PORT_READ(in_RESERVATION_STATION_IN_CONTEXT_ID ); |
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| 65 | _queue[index]._packet_id = PORT_READ(in_RESERVATION_STATION_IN_PACKET_ID ); |
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| 66 | _queue[index]._operation = PORT_READ(in_RESERVATION_STATION_IN_OPERATION ); |
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| 67 | _queue[index]._type = PORT_READ(in_RESERVATION_STATION_IN_TYPE ); |
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| 68 | _queue[index]._has_immediat = PORT_READ(in_RESERVATION_STATION_IN_HAS_IMMEDIAT); |
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| 69 | _queue[index]._immediat = PORT_READ(in_RESERVATION_STATION_IN_IMMEDIAT ); |
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| 70 | // _queue[index]._read_ra = PORT_READ(in_RESERVATION_STATION_IN_READ_RA ); |
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| 71 | _queue[index]._num_reg_ra = PORT_READ(in_RESERVATION_STATION_IN_NUM_REG_RA ); |
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| 72 | _queue[index]._data_ra_val = PORT_READ(in_RESERVATION_STATION_IN_DATA_RA_VAL ); |
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| 73 | _queue[index]._data_ra = PORT_READ(in_RESERVATION_STATION_IN_DATA_RA ); |
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| 74 | // _queue[index]._read_rb = PORT_READ(in_RESERVATION_STATION_IN_READ_RB ); |
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| 75 | _queue[index]._num_reg_rb = PORT_READ(in_RESERVATION_STATION_IN_NUM_REG_RB ); |
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| 76 | _queue[index]._data_rb_val = PORT_READ(in_RESERVATION_STATION_IN_DATA_RB_VAL ); |
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| 77 | _queue[index]._data_rb = PORT_READ(in_RESERVATION_STATION_IN_DATA_RB ); |
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| 78 | // _queue[index]._read_rc = PORT_READ(in_RESERVATION_STATION_IN_READ_RC ); |
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| 79 | _queue[index]._num_reg_rc = PORT_READ(in_RESERVATION_STATION_IN_NUM_REG_RC ); |
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| 80 | _queue[index]._data_rc_val = PORT_READ(in_RESERVATION_STATION_IN_DATA_RC_VAL ); |
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| 81 | _queue[index]._data_rc = PORT_READ(in_RESERVATION_STATION_IN_DATA_RC ); |
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| 82 | _queue[index]._write_rd = PORT_READ(in_RESERVATION_STATION_IN_WRITE_RD ); |
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| 83 | _queue[index]._num_reg_rd = PORT_READ(in_RESERVATION_STATION_IN_NUM_REG_RD ); |
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| 84 | _queue[index]._write_re = PORT_READ(in_RESERVATION_STATION_IN_WRITE_RE ); |
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| 85 | _queue[index]._num_reg_re = PORT_READ(in_RESERVATION_STATION_IN_NUM_REG_RE ); |
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| 86 | // dump_queue(); |
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| 87 | } |
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| 88 | |
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| 89 | // ***** POP from reservation station |
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| 90 | |
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| 91 | // scan in reverse order, because when we pop the queue there are an auto reorder |
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[56] | 92 | for (int32_t i=(static_cast<int32_t>(_queue_control->nb_elt()))-1;i>=0; i--) |
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[55] | 93 | { |
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| 94 | uint32_t index = (*_queue_control)[i]; |
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| 95 | |
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| 96 | if (( internal_RESERVATION_STATION_OUT_VAL [index] == 1) and |
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| 97 | (PORT_READ(in_RESERVATION_STATION_OUT_ACK [index]) == 1)) |
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| 98 | { |
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| 99 | log_printf(TRACE,Reservation_station,FUNCTION,"POP [%d]",i); |
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| 100 | |
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[56] | 101 | _queue_control->pop(i); |
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[55] | 102 | |
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| 103 | log_printf(TRACE,Reservation_station,FUNCTION," * index : %d",index); |
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| 104 | // dump_queue(); |
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| 105 | } |
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| 106 | } |
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| 107 | |
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| 108 | // ***** Bypass |
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| 109 | // Note : we can take this sequence code before the PUSH in the queue, because read_queue make the bypass !!! |
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| 110 | |
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| 111 | // scan all entry |
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[56] | 112 | for (uint32_t i=0; i<_queue_control->nb_elt(); i++) |
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[55] | 113 | { |
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| 114 | uint32_t index = (*_queue_control)[i]; |
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| 115 | |
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| 116 | // ***** bypass - gpr_write |
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| 117 | for (uint32_t j=0; j<_param->_nb_gpr_write; j++) |
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| 118 | { |
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| 119 | if ((PORT_READ(in_GPR_WRITE_VAL [j]) == 1) and |
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| 120 | (PORT_READ(in_GPR_WRITE_CONTEXT_ID [j]) == _queue[index]._context_id)) |
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| 121 | { |
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| 122 | if (PORT_READ(in_GPR_WRITE_NUM_REG [j]) == _queue[index]._num_reg_ra) |
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| 123 | { |
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| 124 | 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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| 125 | _queue[index]._data_ra_val = 1; |
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| 126 | _queue[index]._data_ra = PORT_READ(in_GPR_WRITE_DATA [j]); |
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| 127 | } |
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| 128 | if (PORT_READ(in_GPR_WRITE_NUM_REG [j]) == _queue[index]._num_reg_rb) |
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| 129 | { |
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| 130 | 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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| 131 | _queue[index]._data_rb_val = 1; |
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| 132 | _queue[index]._data_rb = PORT_READ(in_GPR_WRITE_DATA [j]); |
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| 133 | } |
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| 134 | } |
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| 135 | } |
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| 136 | // ***** bypass - spr_write |
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| 137 | for (uint32_t j=0; j<_param->_nb_spr_write; j++) |
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| 138 | { |
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| 139 | if ((PORT_READ(in_SPR_WRITE_VAL [j]) == 1) and |
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| 140 | (PORT_READ(in_SPR_WRITE_CONTEXT_ID [j]) == _queue[index]._context_id) and |
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| 141 | (PORT_READ(in_SPR_WRITE_NUM_REG [j]) == _queue[index]._num_reg_rc)) |
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| 142 | { |
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| 143 | 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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| 144 | _queue[index]._data_rc_val = 1; |
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| 145 | _queue[index]._data_rc = PORT_READ(in_SPR_WRITE_DATA [j]); |
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| 146 | } |
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| 147 | } |
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| 148 | // ***** bypass - bypass_write |
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| 149 | for (uint32_t j=0; j<_param->_nb_bypass_write; j++) |
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| 150 | { |
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| 151 | if (PORT_READ(in_BYPASS_WRITE_CONTEXT_ID [j]) == _queue[index]._context_id) |
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| 152 | { |
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| 153 | if (PORT_READ(in_BYPASS_WRITE_GPR_VAL [j]) == 1) |
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| 154 | { |
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| 155 | if (PORT_READ(in_BYPASS_WRITE_GPR_NUM_REG[j]) == _queue[index]._num_reg_ra) |
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| 156 | { |
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| 157 | 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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| 158 | _queue[index]._data_ra_val = 1; |
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| 159 | _queue[index]._data_ra = PORT_READ(in_BYPASS_WRITE_GPR_DATA [j]); |
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| 160 | } |
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| 161 | if (PORT_READ(in_BYPASS_WRITE_GPR_NUM_REG [j]) == _queue[index]._num_reg_rb) |
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| 162 | { |
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| 163 | 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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| 164 | _queue[index]._data_rb_val = 1; |
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| 165 | _queue[index]._data_rb = PORT_READ(in_BYPASS_WRITE_GPR_DATA [j]); |
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| 166 | } |
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| 167 | } |
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| 168 | if ((PORT_READ(in_BYPASS_WRITE_SPR_VAL [j]) == 1) and |
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| 169 | (PORT_READ(in_BYPASS_WRITE_SPR_NUM_REG[j]) == _queue[index]._num_reg_rc)) |
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| 170 | { |
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| 171 | 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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| 172 | _queue[index]._data_rc_val = 1; |
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| 173 | _queue[index]._data_rc = PORT_READ(in_BYPASS_WRITE_SPR_DATA [j]); |
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| 174 | } |
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| 175 | } |
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| 176 | } |
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| 177 | // ***** bypass - bypass_memory |
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| 178 | for (uint32_t j=0; j<_param->_nb_bypass_memory; j++) |
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| 179 | { |
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| 180 | if ((PORT_READ(in_BYPASS_MEMORY_VAL [j]) == 1) and |
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| 181 | (PORT_READ(in_BYPASS_MEMORY_CONTEXT_ID [j]) == _queue[index]._context_id)) |
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| 182 | { |
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| 183 | if (PORT_READ(in_BYPASS_MEMORY_NUM_REG [j]) == _queue[index]._num_reg_ra) |
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| 184 | { |
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| 185 | 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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| 186 | _queue[index]._data_ra_val = 1; |
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| 187 | _queue[index]._data_ra = PORT_READ(in_BYPASS_MEMORY_DATA [j]); |
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| 188 | } |
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| 189 | if (PORT_READ(in_BYPASS_MEMORY_NUM_REG [j]) == _queue[index]._num_reg_rb) |
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| 190 | { |
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| 191 | 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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| 192 | _queue[index]._data_rb_val = 1; |
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| 193 | _queue[index]._data_rb = PORT_READ(in_BYPASS_MEMORY_DATA [j]); |
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| 194 | } |
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| 195 | } |
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| 196 | } |
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| 197 | } |
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| 198 | } |
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| 199 | |
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| 200 | #ifdef STATISTICS |
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| 201 | _stat->add(); |
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| 202 | #endif |
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| 203 | |
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| 204 | #ifdef VHDL_TESTBENCH |
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| 205 | vhdl_testbench_transition (); |
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| 206 | #endif |
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| 207 | |
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| 208 | log_printf(FUNC,Reservation_station,FUNCTION,"End"); |
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| 209 | }; |
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| 210 | |
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| 211 | }; // end namespace reservation_station |
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| 212 | }; // end namespace read_unit |
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| 213 | }; // end namespace multi_read_unit |
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| 214 | }; // end namespace execute_loop |
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| 215 | }; // end namespace multi_execute_loop |
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| 216 | }; // end namespace core |
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| 217 | |
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| 218 | }; // end namespace behavioural |
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| 219 | }; // end namespace morpheo |
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| 220 | #endif |
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| 221 | //#endif |
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