1 | /** |
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2 | * @author Cesar Armando Fuguet Tortolero |
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3 | * @date 24 May, 2015 |
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4 | * @brief This platform allows the validation of the reconfigurable routing |
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5 | * algorithm on the DSPIN router component. The platform has been |
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6 | * specifically designed to test the routing of broadcast packets. |
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7 | */ |
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8 | #include <iostream> |
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9 | #include <systemc> |
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10 | #include <cassert> |
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11 | |
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12 | #include "dspin_router.h" |
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13 | #include "dspin_router_config.h" |
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14 | #include "dspin_packet_generator.h" |
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15 | #include "alloc_elems.h" |
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16 | |
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17 | #if _OPENMP |
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18 | #include <omp.h> |
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19 | #endif |
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20 | |
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21 | /* |
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22 | * Platform constant parameters |
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23 | */ |
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24 | #define X_WIDTH 4 |
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25 | #define Y_WIDTH 4 |
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26 | |
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27 | #define FIFO_DEPTH 8 |
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28 | #define NFLITS 2 |
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29 | #define LOAD 1000 |
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30 | #define BROADCAST_PERIOD 3 |
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31 | #define DSPIN_WIDTH 39 |
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32 | |
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33 | /* |
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34 | * Platform default values |
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35 | */ |
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36 | #define X_SIZE 4 |
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37 | #define Y_SIZE 4 |
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38 | |
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39 | static inline int cluster(int x, int y) |
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40 | { |
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41 | return (x << Y_WIDTH) | y; |
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42 | } |
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43 | |
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44 | static inline uint32_t configRouter(int bypass_mode, |
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45 | int reallocation_dir, |
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46 | int blackhole_pos) |
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47 | { |
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48 | return (bypass_mode << 7) | (reallocation_dir << 4) | blackhole_pos; |
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49 | } |
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50 | |
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51 | int sc_main(int argc, char **argv) |
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52 | { |
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53 | using namespace soclib::caba; |
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54 | using namespace soclib::common; |
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55 | |
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56 | typedef DspinPacketGenerator<DSPIN_WIDTH, DSPIN_WIDTH> |
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57 | DspinGeneratorType; |
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58 | typedef DspinRouter<DSPIN_WIDTH> |
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59 | DspinRouterType; |
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60 | typedef DspinSignals<DSPIN_WIDTH> |
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61 | DspinSignalType; |
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62 | |
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63 | #if _OPENMP |
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64 | omp_set_dynamic(false); |
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65 | omp_set_num_threads(1); |
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66 | #endif |
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67 | |
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68 | /* mesh size */ |
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69 | int xSize = X_SIZE; |
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70 | int ySize = Y_SIZE; |
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71 | |
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72 | /* (x,y) coordinates of the initiator router */ |
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73 | int xSrc = -1; |
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74 | int ySrc = -1; |
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75 | |
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76 | /* (x,y) coordinates of the faulty router */ |
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77 | int xFaulty = -1; |
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78 | int yFaulty = -1; |
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79 | |
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80 | /* enable the DSPIN router's debug */ |
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81 | int debug = false; |
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82 | |
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83 | /* number of simulation cycles */ |
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84 | int simCycles = 100000; |
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85 | |
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86 | /* synthetic generator load */ |
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87 | int load = LOAD; |
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88 | |
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89 | for (int n = 1; n < argc; n += 2) { |
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90 | if ((strcmp(argv[n], "-X") == 0) && ((n + 1) < argc)) { |
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91 | xSize = strtol(argv[n + 1], NULL, 0); |
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92 | continue; |
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93 | } |
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94 | if ((strcmp(argv[n], "-Y") == 0) && ((n + 1) < argc) ) { |
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95 | ySize = strtol(argv[n + 1], NULL, 0); |
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96 | continue; |
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97 | } |
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98 | if ((strcmp(argv[n], "-FX") == 0) && ((n + 1) < argc)) { |
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99 | xFaulty = strtol(argv[n + 1], NULL, 0); |
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100 | continue; |
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101 | } |
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102 | if ((strcmp(argv[n], "-FY") == 0) && ((n + 1) < argc) ) { |
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103 | yFaulty = strtol(argv[n + 1], NULL, 0); |
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104 | continue; |
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105 | } |
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106 | if ((strcmp(argv[n], "-SX") == 0) && ((n + 1) < argc)) { |
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107 | xSrc = strtol(argv[n + 1], NULL, 0); |
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108 | continue; |
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109 | } |
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110 | if ((strcmp(argv[n], "-SY") == 0) && ((n + 1) < argc) ) { |
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111 | ySrc = strtol(argv[n + 1], NULL, 0); |
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112 | continue; |
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113 | } |
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114 | if ((strcmp(argv[n], "-N") == 0) && ((n + 1) < argc) ) { |
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115 | simCycles = strtol(argv[n + 1], NULL, 0); |
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116 | assert(simCycles > 0); |
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117 | continue; |
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118 | } |
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119 | if ((strcmp(argv[n], "-L") == 0) && ((n + 1) < argc) ) { |
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120 | load = strtol(argv[n + 1], NULL, 0); |
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121 | assert(load > 0); |
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122 | continue; |
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123 | } |
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124 | if ((strcmp(argv[n--], "-DEBUG") == 0)) { |
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125 | debug = true; |
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126 | continue; |
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127 | } |
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128 | } |
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129 | |
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130 | assert (xFaulty < xSize ); |
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131 | assert (yFaulty < ySize ); |
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132 | assert (xSrc < xSize ); |
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133 | assert (ySrc < ySize ); |
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134 | |
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135 | DspinGeneratorType ***dspinGenerator = new DspinGeneratorType**[xSize]; |
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136 | DspinRouterType ***dspinRouter = new DspinRouterType**[xSize]; |
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137 | for (int x = 0; x < xSize; ++x) { |
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138 | dspinGenerator[x] = new DspinGeneratorType*[ySize]; |
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139 | dspinRouter[x] = new DspinRouterType*[ySize]; |
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140 | for (int y = 0; y < ySize; ++y) { |
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141 | const bool BROADCAST_SUPPORTED = true; |
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142 | const bool CONFIGURATION_SUPPORTED = true; |
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143 | std::ostringstream routerStr; |
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144 | routerStr << "dspinRouter["<< x << "][" << y << "]"; |
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145 | dspinRouter[x][y] = |
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146 | new DspinRouterType(routerStr.str().c_str(), x, y, |
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147 | X_WIDTH, Y_WIDTH, |
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148 | FIFO_DEPTH, FIFO_DEPTH, |
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149 | BROADCAST_SUPPORTED, |
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150 | CONFIGURATION_SUPPORTED); |
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151 | |
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152 | if ((x == xFaulty) && (y == yFaulty)) { |
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153 | dspinRouter[x][y]->set_disable_mask(0x1F); |
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154 | } |
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155 | |
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156 | int broadcast_period = 0; |
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157 | int ld = 0; |
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158 | const int SRCID = cluster(x,y); |
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159 | bool all = (xSrc == -1) || (ySrc == -1); |
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160 | if (all || (cluster(x,y) == cluster(xSrc,ySrc))) { |
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161 | broadcast_period = BROADCAST_PERIOD; |
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162 | ld = load; |
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163 | } |
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164 | std::ostringstream generatorStr; |
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165 | generatorStr << "dspinGenerator["<< x << "][" << y << "]"; |
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166 | dspinGenerator[x][y] = |
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167 | new DspinGeneratorType(generatorStr.str().c_str(), |
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168 | SRCID, NFLITS, |
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169 | ld, FIFO_DEPTH, |
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170 | broadcast_period); |
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171 | } |
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172 | } |
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173 | |
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174 | const int H = xSize - 1; |
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175 | const int Y = ySize - 1; |
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176 | sc_clock signal_clk("clk"); |
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177 | sc_core::sc_signal<bool> signal_resetn("signal_resetn"); |
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178 | DspinSignalType*** sDspinL = |
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179 | alloc_elems<DspinSignalType>("sDspinL", xSize, ySize, 2); |
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180 | DspinSignalType*** sDspinH = |
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181 | alloc_elems<DspinSignalType>("sDspinH", H + 2, ySize, 2); |
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182 | DspinSignalType*** sDspinV = |
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183 | alloc_elems<DspinSignalType>("sDspinV", xSize, Y + 2, 2); |
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184 | sc_signal<uint32_t> sConfigNONE("sConfigNONE"); |
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185 | sc_signal<uint32_t> sConfigN("sConfigN"); |
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186 | sc_signal<uint32_t> sConfigNW("sConfigNW"); |
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187 | sc_signal<uint32_t> sConfigNE("sConfigNE"); |
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188 | sc_signal<uint32_t> sConfigS("sConfigS"); |
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189 | sc_signal<uint32_t> sConfigSW("sConfigSW"); |
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190 | sc_signal<uint32_t> sConfigSE("sConfigSE"); |
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191 | sc_signal<uint32_t> sConfigW("sConfigW"); |
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192 | sc_signal<uint32_t> sConfigE("sConfigE"); |
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193 | for (int x = 0; x < xSize; ++x) { |
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194 | for (int y = 0; y < ySize; ++y) { |
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195 | dspinGenerator[x][y]->p_clk(signal_clk); |
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196 | dspinGenerator[x][y]->p_resetn(signal_resetn); |
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197 | dspinGenerator[x][y]->p_out(sDspinL[x][y][0]); |
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198 | dspinGenerator[x][y]->p_in(sDspinL[x][y][1]); |
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199 | |
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200 | dspinRouter[x][y]->p_clk(signal_clk); |
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201 | dspinRouter[x][y]->p_resetn(signal_resetn); |
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202 | dspinRouter[x][y]->p_in[0](sDspinV[x][y + 1][1]); |
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203 | dspinRouter[x][y]->p_out[0](sDspinV[x][y + 1][0]); |
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204 | dspinRouter[x][y]->p_in[1](sDspinV[x][y][0]); |
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205 | dspinRouter[x][y]->p_out[1](sDspinV[x][y][1]); |
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206 | dspinRouter[x][y]->p_in[2](sDspinH[x + 1][y][1]); |
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207 | dspinRouter[x][y]->p_out[2](sDspinH[x + 1][y][0]); |
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208 | dspinRouter[x][y]->p_in[3](sDspinH[x][y][0]); |
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209 | dspinRouter[x][y]->p_out[3](sDspinH[x][y][1]); |
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210 | dspinRouter[x][y]->p_in[4](sDspinL[x][y][0]); |
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211 | dspinRouter[x][y]->p_out[4](sDspinL[x][y][1]); |
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212 | |
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213 | if ((xFaulty < 0) || (yFaulty < 0)) { |
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214 | dspinRouter[x][y]->bind_recovery_port(sConfigNONE); |
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215 | continue; |
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216 | } |
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217 | |
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218 | if (x == (xFaulty + 1)) { |
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219 | if (y == (yFaulty + 1)) { |
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220 | dspinRouter[x][y]->bind_recovery_port(sConfigNE); |
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221 | std::cout << "config NE" << std::endl; |
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222 | continue; |
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223 | } |
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224 | if (y == yFaulty) { |
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225 | dspinRouter[x][y]->bind_recovery_port(sConfigE); |
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226 | std::cout << "config E" << std::endl; |
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227 | continue; |
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228 | } |
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229 | if (y == (yFaulty - 1)) { |
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230 | dspinRouter[x][y]->bind_recovery_port(sConfigSE); |
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231 | std::cout << "config SE" << std::endl; |
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232 | continue; |
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233 | } |
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234 | } |
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235 | if (x == xFaulty) { |
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236 | if (y == (yFaulty + 1)) { |
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237 | dspinRouter[x][y]->bind_recovery_port(sConfigN); |
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238 | std::cout << "config N" << std::endl; |
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239 | continue; |
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240 | } |
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241 | if (y == (yFaulty - 1)) { |
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242 | dspinRouter[x][y]->bind_recovery_port(sConfigS); |
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243 | std::cout << "config S" << std::endl; |
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244 | continue; |
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245 | } |
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246 | } |
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247 | if (x == (xFaulty - 1)) { |
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248 | if (y == (yFaulty + 1)) { |
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249 | dspinRouter[x][y]->bind_recovery_port(sConfigNW); |
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250 | std::cout << "config NW" << std::endl; |
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251 | continue; |
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252 | } |
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253 | if (y == yFaulty) { |
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254 | dspinRouter[x][y]->bind_recovery_port(sConfigW); |
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255 | std::cout << "config W" << std::endl; |
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256 | continue; |
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257 | } |
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258 | if (y == (yFaulty - 1)) { |
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259 | dspinRouter[x][y]->bind_recovery_port(sConfigSW); |
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260 | std::cout << "config SW" << std::endl; |
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261 | continue; |
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262 | } |
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263 | } |
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264 | dspinRouter[x][y]->bind_recovery_port(sConfigNONE); |
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265 | } |
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266 | } |
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267 | |
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268 | sc_start(sc_core::SC_ZERO_TIME); |
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269 | signal_resetn = 0; |
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270 | |
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271 | /* initialize the configuration signals */ |
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272 | sConfigNONE.write(configRouter(0, REQ_NOP, BH_NONE)); |
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273 | sConfigN.write(configRouter(1, REQ_SOUTH, BH_N)); |
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274 | sConfigNE.write(configRouter(1, REQ_WEST, BH_NE)); |
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275 | sConfigE.write(configRouter(1, REQ_WEST, BH_E)); |
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276 | sConfigSE.write(configRouter(1, REQ_WEST, BH_SE)); |
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277 | sConfigS.write(configRouter(1, REQ_NORTH, BH_S)); |
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278 | sConfigSW.write(configRouter(1, REQ_EAST, BH_SW)); |
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279 | sConfigW.write(configRouter(1, REQ_EAST, BH_W)); |
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280 | sConfigNW.write(configRouter(1, REQ_EAST, BH_NW)); |
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281 | |
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282 | /* initialize mesh boundary signals */ |
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283 | for (int x = 0; x < xSize; ++x) { |
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284 | sDspinV[x][0][0].write = false; |
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285 | sDspinV[x][0][1].read = true; |
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286 | sDspinV[x][ySize][0].read = true; |
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287 | sDspinV[x][ySize][1].write = false; |
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288 | } |
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289 | for (int y = 0; y < ySize; ++y) { |
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290 | sDspinH[0][y][0].write = false; |
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291 | sDspinH[0][y][1].read = true; |
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292 | sDspinH[xSize][y][0].read = true; |
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293 | sDspinH[xSize][y][1].write = false; |
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294 | } |
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295 | |
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296 | sc_start(sc_core::sc_time(5, SC_NS)); |
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297 | signal_resetn = 1; |
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298 | |
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299 | for(int i = 0; i < simCycles; ++i) { |
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300 | if (!debug) { |
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301 | sc_start(sc_core::sc_time(simCycles, SC_NS)); |
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302 | break; |
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303 | } |
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304 | std::cout << std::endl; |
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305 | std::cout << "##########################################" << std::endl; |
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306 | std::cout << "Simulation cycle " << i << std::endl; |
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307 | std::cout << "##########################################" << std::endl; |
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308 | std::cout << std::endl; |
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309 | sc_start(sc_core::sc_time(1, SC_NS)); |
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310 | for (int x = 0; x < xSize; ++x) { |
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311 | for (int y = 0; y < ySize; ++y) { |
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312 | dspinRouter[x][y]->print_trace(); |
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313 | } |
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314 | } |
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315 | } |
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316 | for (int x = 0; x < xSize; ++x) { |
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317 | for (int y = 0; y < ySize; ++y) { |
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318 | dspinGenerator[x][y]->print_stats(); |
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319 | } |
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320 | } |
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321 | |
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322 | return 0; |
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323 | } |
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324 | |
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325 | /* |
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326 | * vim: ts=4 : sw=4 : sts=4 : et |
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327 | */ |
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