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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60 | uint32_t index = _queue_control->push(); |
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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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92 | for (int32_t i=(static_cast<int32_t>(_queue_control->nb_elt()))-1;i>=0; i--) |
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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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101 | _queue_control->pop(i); |
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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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112 | for (uint32_t i=0; i<_queue_control->nb_elt(); i++) |
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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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