1 | /* -*- c++ -*- |
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2 | * |
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3 | * SOCLIB_LGPL_HEADER_BEGIN |
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4 | * |
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5 | * This file is part of SoCLib, GNU LGPLv2.1. |
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6 | * |
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7 | * SoCLib is free software; you can redistribute it and/or modify it |
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8 | * under the terms of the GNU Lesser General Public License as published |
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9 | * by the Free Software Foundation; version 2.1 of the License. |
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10 | * |
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11 | * SoCLib is distributed in the hope that it will be useful, but |
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12 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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14 | * Lesser General Public License for more details. |
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15 | * |
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16 | * You should have received a copy of the GNU Lesser General Public |
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17 | * License along with SoCLib; if not, write to the Free Software |
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18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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19 | * 02110-1301 USA |
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20 | * |
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21 | * SOCLIB_LGPL_HEADER_END |
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22 | * |
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23 | * Authors : Cesar Armando Fuguet Tortolero |
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24 | * Date : jul 2015 |
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25 | * Copyright: UPMC - LIP6 |
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26 | */ |
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27 | #include <cassert> |
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28 | |
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29 | #include "synthetic_dspin_network.h" |
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30 | #include "dspin_router_config.h" |
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31 | #include "alloc_elems.h" |
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32 | |
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33 | namespace soclib { |
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34 | namespace caba { |
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35 | using namespace soclib::common; |
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36 | |
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37 | |
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38 | SyntheticDspinNetwork::SyntheticDspinNetwork(sc_module_name name, |
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39 | const size_t x_size, |
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40 | const size_t y_size, |
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41 | const size_t load) |
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42 | : BaseModule(name), |
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43 | p_clk("p_clk"), |
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44 | p_resetn("p_resetn"), |
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45 | m_x_size(x_size), |
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46 | m_y_size(y_size) |
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47 | { |
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48 | // DSPIN packet generator instantiation |
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49 | dspinGenerator = (DspinNetworkGenerator**) |
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50 | malloc(sizeof(DspinNetworkGenerator*) * m_x_size); |
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51 | |
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52 | for (size_t x = 0; x < m_x_size; ++x) { |
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53 | dspinGenerator[x] = (DspinNetworkGenerator*) |
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54 | malloc(sizeof(DspinNetworkGenerator) * m_y_size); |
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55 | |
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56 | for (size_t y = 0; y < m_y_size; ++y) { |
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57 | std::ostringstream generator_name; |
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58 | const int SRCID = (x << Y_WIDTH) | y; |
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59 | generator_name << "generator[" << x << "][" << y << "]"; |
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60 | #if UNICAST |
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61 | const size_t PACKET_LENGTH = 8; |
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62 | new(&dspinGenerator[x][y]) |
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63 | DspinNetworkGenerator(generator_name.str().c_str(), |
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64 | (size_t)SRCID, |
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65 | PACKET_LENGTH, |
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66 | load, |
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67 | (size_t)DSPIN_GENERATOR_FIFO_DEPTH, |
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68 | 0 ); |
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69 | #else |
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70 | new(&dspinGenerator[x][y]) |
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71 | DspinNetworkGenerator(generator_name.str().c_str(), |
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72 | m_x_size, |
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73 | m_y_size, |
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74 | SRCID, |
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75 | load, |
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76 | DSPIN_GENERATOR_FIFO_DEPTH); |
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77 | #endif |
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78 | |
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79 | } |
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80 | } |
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81 | |
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82 | // DSPIN router instantiation |
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83 | dspinRouter = (DspinNetworkRouter**) |
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84 | malloc(sizeof(DspinNetworkRouter*) * m_x_size); |
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85 | |
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86 | for (size_t x = 0; x < m_x_size; ++x) { |
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87 | dspinRouter[x] = (DspinNetworkRouter*) |
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88 | malloc(sizeof(DspinNetworkRouter) * m_y_size); |
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89 | |
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90 | for (size_t y = 0; y < m_y_size; ++y) { |
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91 | std::ostringstream router_name; |
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92 | const bool BROADCAST_SUPPORTED = true; |
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93 | const bool CONFIGURATION_SUPPORTED = true; |
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94 | router_name << "router[" << x << "][" << y << "]"; |
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95 | new(&dspinRouter[x][y]) |
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96 | DspinNetworkRouter(router_name.str().c_str(), |
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97 | x, y, |
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98 | X_WIDTH, Y_WIDTH, |
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99 | DSPIN_ROUTER_FIFO_DEPTH, |
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100 | DSPIN_ROUTER_FIFO_DEPTH, |
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101 | BROADCAST_SUPPORTED, |
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102 | CONFIGURATION_SUPPORTED); |
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103 | } |
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104 | } |
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105 | |
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106 | // signals instantiation |
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107 | sL = alloc_elems<DspinNetworkSignal>("sL", m_x_size, m_y_size, 2); |
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108 | sH = alloc_elems<DspinNetworkSignal>("sH", m_x_size + 1, m_y_size, 2); |
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109 | sV = alloc_elems<DspinNetworkSignal>("sV", m_x_size, m_y_size + 1, 2); |
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110 | |
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111 | sConfigRouter = |
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112 | alloc_elems<sc_core::sc_signal<uint32_t> >("sConfigRouter", |
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113 | m_x_size, m_y_size); |
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114 | |
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115 | |
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116 | // netlist |
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117 | for (size_t x = 0; x < m_x_size; ++x) { |
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118 | for (size_t y = 0; y < m_y_size; ++y) { |
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119 | dspinRouter[x][y].p_clk(p_clk); |
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120 | dspinRouter[x][y].p_resetn(p_resetn); |
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121 | dspinRouter[x][y].p_in[DspinNetworkRouter::N](sV[x][y + 1][1]); |
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122 | dspinRouter[x][y].p_out[DspinNetworkRouter::N](sV[x][y + 1][0]); |
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123 | dspinRouter[x][y].p_in[DspinNetworkRouter::S](sV[x][y][0]); |
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124 | dspinRouter[x][y].p_out[DspinNetworkRouter::S](sV[x][y][1]); |
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125 | dspinRouter[x][y].p_in[DspinNetworkRouter::E](sH[x + 1][y][1]); |
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126 | dspinRouter[x][y].p_out[DspinNetworkRouter::E](sH[x + 1][y][0]); |
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127 | dspinRouter[x][y].p_in[DspinNetworkRouter::W](sH[x][y][0]); |
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128 | dspinRouter[x][y].p_out[DspinNetworkRouter::W](sH[x][y][1]); |
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129 | dspinRouter[x][y].p_in[DspinNetworkRouter::L](sL[x][y][0]); |
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130 | dspinRouter[x][y].p_out[DspinNetworkRouter::L](sL[x][y][1]); |
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131 | dspinRouter[x][y].bind_recovery_port(sConfigRouter[x][y]); |
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132 | |
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133 | dspinGenerator[x][y].p_clk(p_clk); |
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134 | dspinGenerator[x][y].p_resetn(p_resetn); |
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135 | dspinGenerator[x][y].p_out(sL[x][y][0]); |
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136 | dspinGenerator[x][y].p_in(sL[x][y][1]); |
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137 | } |
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138 | } |
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139 | } // end constructor() |
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140 | |
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141 | |
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142 | SyntheticDspinNetwork::~SyntheticDspinNetwork() |
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143 | { |
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144 | for (size_t x = 0; x < m_x_size; ++x) { |
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145 | for (size_t y = 0; y < m_y_size; ++y) { |
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146 | #if UNICAST |
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147 | dspinGenerator[x][y].~DspinPacketGenerator(); |
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148 | #else |
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149 | dspinGenerator[x][y].~DspinBroadcastGenerator(); |
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150 | #endif |
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151 | dspinRouter[x][y].~DspinRouter(); |
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152 | } |
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153 | free(dspinGenerator[x]); |
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154 | free(dspinRouter[x]); |
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155 | } |
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156 | free(dspinGenerator); |
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157 | free(dspinRouter); |
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158 | |
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159 | dealloc_elems<DspinNetworkSignal>(sL, m_x_size, m_y_size, 2); |
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160 | dealloc_elems<DspinNetworkSignal>(sH, m_x_size + 1, m_y_size, 2); |
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161 | dealloc_elems<DspinNetworkSignal>(sV, m_x_size, m_y_size + 1, 2); |
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162 | |
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163 | dealloc_elems<sc_core::sc_signal<uint32_t> >(sConfigRouter, |
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164 | m_x_size, m_y_size); |
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165 | } |
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166 | |
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167 | |
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168 | static inline uint32_t configRouter(int reallocation_dir, |
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169 | int recovery_mode, |
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170 | int blackhole_pos) |
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171 | { |
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172 | return ((reallocation_dir & 0x7) << 5) | |
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173 | ((recovery_mode & 0x1) << 4) | |
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174 | (blackhole_pos & 0xF); |
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175 | } |
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176 | |
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177 | |
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178 | void SyntheticDspinNetwork::reset() |
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179 | { |
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180 | // initialize routers' configuration signals |
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181 | for (size_t x = 0; x < m_x_size; ++x) { |
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182 | for (size_t y = 0; y < m_y_size; ++y) { |
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183 | const uint32_t CONFIG_NONE = configRouter(0, 0, NORMAL); |
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184 | sConfigRouter[x][y].write(CONFIG_NONE); |
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185 | } |
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186 | } |
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187 | |
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188 | |
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189 | // initialize mesh's boundary signals |
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190 | for (size_t x = 0; x < m_x_size; ++x) { |
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191 | sV[x][0][0].write = false; |
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192 | sV[x][0][1].read = true; |
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193 | sV[x][m_y_size][0].read = true; |
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194 | sV[x][m_y_size][1].write = false; |
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195 | } |
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196 | for (size_t y = 0; y < m_y_size; ++y) { |
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197 | sH[0][y][0].write = false; |
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198 | sH[0][y][1].read = true; |
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199 | sH[m_x_size][y][0].read = true; |
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200 | sH[m_x_size][y][1].write = false; |
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201 | } |
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202 | } // end reset() |
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203 | |
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204 | |
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205 | void SyntheticDspinNetwork::set_faulty_router(const size_t faulty_x, |
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206 | const size_t faulty_y) |
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207 | { |
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208 | assert(faulty_x < m_x_size); |
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209 | assert(faulty_y < m_y_size); |
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210 | |
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211 | |
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212 | // transform the faulty router in a black-hole |
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213 | dspinRouter[faulty_x][faulty_y].set_disable_mask(0x1F); |
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214 | |
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215 | |
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216 | // reconfigure the faulty router's contour |
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217 | if (faulty_y < (m_y_size - 1)) { |
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218 | const uint32_t CONFIG_N = configRouter(REQ_SOUTH, 1, N_OF_X); |
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219 | sConfigRouter[faulty_x][faulty_y + 1].write(CONFIG_N); |
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220 | |
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221 | if (faulty_x > 0) { |
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222 | const uint32_t CONFIG_NW = configRouter(REQ_EAST, 1, NW_OF_X); |
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223 | sConfigRouter[faulty_x - 1][faulty_y + 1].write(CONFIG_NW); |
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224 | } |
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225 | if (faulty_x < (m_x_size - 1)) { |
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226 | const uint32_t CONFIG_NE = configRouter(REQ_WEST, 1, NE_OF_X); |
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227 | sConfigRouter[faulty_x + 1][faulty_y + 1].write(CONFIG_NE); |
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228 | } |
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229 | } |
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230 | |
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231 | if (faulty_y > 0) { |
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232 | const uint32_t CONFIG_S = configRouter(REQ_NORTH, 1, S_OF_X); |
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233 | sConfigRouter[faulty_x][faulty_y - 1].write(CONFIG_S); |
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234 | |
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235 | if (faulty_x > 0) { |
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236 | const uint32_t CONFIG_SW = configRouter(REQ_EAST, 1, SW_OF_X); |
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237 | sConfigRouter[faulty_x - 1][faulty_y - 1].write(CONFIG_SW); |
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238 | } |
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239 | if (faulty_x < (m_x_size - 1)) { |
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240 | const uint32_t CONFIG_SE = configRouter(REQ_WEST, 1, SE_OF_X); |
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241 | sConfigRouter[faulty_x + 1][faulty_y - 1].write(CONFIG_SE); |
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242 | } |
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243 | } |
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244 | |
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245 | if (faulty_x > 0) { |
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246 | const uint32_t CONFIG_W = configRouter(REQ_EAST, 1, W_OF_X); |
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247 | sConfigRouter[faulty_x - 1][faulty_y].write(CONFIG_W); |
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248 | } |
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249 | |
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250 | if (faulty_x < (m_x_size - 1)) { |
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251 | const uint32_t CONFIG_E = configRouter(REQ_WEST, 1, E_OF_X); |
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252 | sConfigRouter[faulty_x + 1][faulty_y].write(CONFIG_E); |
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253 | } |
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254 | } // end set_faulty_router() |
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255 | |
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256 | |
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257 | void SyntheticDspinNetwork::print_stats(const size_t x, const size_t y) |
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258 | { |
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259 | assert(x < m_x_size); |
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260 | assert(y < m_y_size); |
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261 | |
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262 | dspinGenerator[x][y].print_stats(); |
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263 | } |
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264 | |
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265 | |
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266 | } // end namespace caba |
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267 | } // end namespace soclib |
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268 | |
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269 | // Local Variables: |
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270 | // tab-width: 4 |
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271 | // c-basic-offset: 4 |
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272 | // c-file-offsets:((innamespace . 0)(inline-open . 0)) |
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273 | // indent-tabs-mode: nil |
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274 | // End: |
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275 | |
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276 | // vim: ts=4 : sts=4 : sw=4 : et |
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