[1009] | 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 | new(&dspinGenerator[x][y]) |
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| 61 | DspinNetworkGenerator(generator_name.str().c_str(), |
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| 62 | m_x_size, |
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| 63 | m_y_size, |
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| 64 | SRCID, |
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| 65 | load, |
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| 66 | DSPIN_GENERATOR_FIFO_DEPTH); |
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| 67 | |
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| 68 | } |
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| 69 | } |
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| 70 | |
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| 71 | // DSPIN router instantiation |
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| 72 | dspinRouter = (DspinNetworkRouter**) |
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| 73 | malloc(sizeof(DspinNetworkRouter*) * m_x_size); |
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| 74 | |
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| 75 | for (size_t x = 0; x < m_x_size; ++x) { |
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| 76 | dspinRouter[x] = (DspinNetworkRouter*) |
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| 77 | malloc(sizeof(DspinNetworkRouter) * m_y_size); |
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| 78 | |
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| 79 | for (size_t y = 0; y < m_y_size; ++y) { |
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| 80 | std::ostringstream router_name; |
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| 81 | const bool BROADCAST_SUPPORTED = true; |
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| 82 | const bool CONFIGURATION_SUPPORTED = true; |
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| 83 | router_name << "router[" << x << "][" << y << "]"; |
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| 84 | new(&dspinRouter[x][y]) |
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| 85 | DspinNetworkRouter(router_name.str().c_str(), |
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| 86 | x, y, |
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| 87 | X_WIDTH, Y_WIDTH, |
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| 88 | DSPIN_ROUTER_FIFO_DEPTH, |
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| 89 | DSPIN_ROUTER_FIFO_DEPTH, |
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| 90 | BROADCAST_SUPPORTED, |
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| 91 | CONFIGURATION_SUPPORTED); |
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| 92 | } |
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| 93 | } |
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| 94 | |
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| 95 | // signals instantiation |
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| 96 | sL = alloc_elems<DspinNetworkSignal>("sL", m_x_size, m_y_size, 2); |
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| 97 | sH = alloc_elems<DspinNetworkSignal>("sH", m_x_size + 1, m_y_size, 2); |
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| 98 | sV = alloc_elems<DspinNetworkSignal>("sV", m_x_size, m_y_size + 1, 2); |
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| 99 | |
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| 100 | sConfigRouter = |
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| 101 | alloc_elems<sc_core::sc_signal<uint32_t> >("sConfigRouter", |
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| 102 | m_x_size, m_y_size); |
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| 103 | |
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| 104 | |
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| 105 | // netlist |
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| 106 | for (size_t x = 0; x < m_x_size; ++x) { |
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| 107 | for (size_t y = 0; y < m_y_size; ++y) { |
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| 108 | dspinRouter[x][y].p_clk(p_clk); |
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| 109 | dspinRouter[x][y].p_resetn(p_resetn); |
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| 110 | dspinRouter[x][y].p_in[DspinNetworkRouter::N](sV[x][y + 1][1]); |
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| 111 | dspinRouter[x][y].p_out[DspinNetworkRouter::N](sV[x][y + 1][0]); |
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| 112 | dspinRouter[x][y].p_in[DspinNetworkRouter::S](sV[x][y][0]); |
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| 113 | dspinRouter[x][y].p_out[DspinNetworkRouter::S](sV[x][y][1]); |
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| 114 | dspinRouter[x][y].p_in[DspinNetworkRouter::E](sH[x + 1][y][1]); |
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| 115 | dspinRouter[x][y].p_out[DspinNetworkRouter::E](sH[x + 1][y][0]); |
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| 116 | dspinRouter[x][y].p_in[DspinNetworkRouter::W](sH[x][y][0]); |
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| 117 | dspinRouter[x][y].p_out[DspinNetworkRouter::W](sH[x][y][1]); |
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| 118 | dspinRouter[x][y].p_in[DspinNetworkRouter::L](sL[x][y][0]); |
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| 119 | dspinRouter[x][y].p_out[DspinNetworkRouter::L](sL[x][y][1]); |
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| 120 | dspinRouter[x][y].bind_recovery_port(sConfigRouter[x][y]); |
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| 121 | |
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| 122 | dspinGenerator[x][y].p_clk(p_clk); |
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| 123 | dspinGenerator[x][y].p_resetn(p_resetn); |
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| 124 | dspinGenerator[x][y].p_out(sL[x][y][0]); |
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| 125 | dspinGenerator[x][y].p_in(sL[x][y][1]); |
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| 126 | } |
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| 127 | } |
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| 128 | } // end constructor() |
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| 129 | |
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| 130 | |
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| 131 | SyntheticDspinNetwork::~SyntheticDspinNetwork() |
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| 132 | { |
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| 133 | for (size_t x = 0; x < m_x_size; ++x) { |
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| 134 | for (size_t y = 0; y < m_y_size; ++y) { |
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| 135 | dspinGenerator[x][y].~DspinBroadcastGenerator(); |
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| 136 | dspinRouter[x][y].~DspinRouter(); |
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| 137 | } |
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| 138 | free(dspinGenerator[x]); |
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| 139 | free(dspinRouter[x]); |
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| 140 | } |
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| 141 | free(dspinGenerator); |
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| 142 | free(dspinRouter); |
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| 143 | |
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| 144 | dealloc_elems<DspinNetworkSignal>(sL, m_x_size, m_y_size, 2); |
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| 145 | dealloc_elems<DspinNetworkSignal>(sH, m_x_size + 1, m_y_size, 2); |
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| 146 | dealloc_elems<DspinNetworkSignal>(sV, m_x_size, m_y_size + 1, 2); |
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| 147 | |
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| 148 | dealloc_elems<sc_core::sc_signal<uint32_t> >(sConfigRouter, |
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| 149 | m_x_size, m_y_size); |
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| 150 | } |
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| 151 | |
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| 152 | |
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| 153 | static inline uint32_t configRouter(int bypass_mode, |
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| 154 | int reallocation_dir, |
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| 155 | int blackhole_pos) |
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| 156 | { |
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| 157 | return (bypass_mode << 7) | (reallocation_dir << 4) | blackhole_pos; |
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| 158 | } |
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| 159 | |
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| 160 | |
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| 161 | void SyntheticDspinNetwork::reset() |
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| 162 | { |
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| 163 | // initialize routers' configuration signals |
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| 164 | for (size_t x = 0; x < m_x_size; ++x) { |
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| 165 | for (size_t y = 0; y < m_y_size; ++y) { |
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| 166 | const uint32_t CONFIG_NONE = configRouter(0, REQ_NOP, BH_NONE); |
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| 167 | sConfigRouter[x][y].write(CONFIG_NONE); |
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| 168 | } |
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| 169 | } |
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| 170 | |
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| 171 | |
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| 172 | // initialize mesh's boundary signals |
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| 173 | for (size_t x = 0; x < m_x_size; ++x) { |
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| 174 | sV[x][0][0].write = false; |
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| 175 | sV[x][0][1].read = true; |
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| 176 | sV[x][m_y_size][0].read = true; |
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| 177 | sV[x][m_y_size][1].write = false; |
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| 178 | } |
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| 179 | for (size_t y = 0; y < m_y_size; ++y) { |
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| 180 | sH[0][y][0].write = false; |
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| 181 | sH[0][y][1].read = true; |
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| 182 | sH[m_x_size][y][0].read = true; |
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| 183 | sH[m_x_size][y][1].write = false; |
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| 184 | } |
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| 185 | } // end reset() |
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| 186 | |
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| 187 | |
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| 188 | void SyntheticDspinNetwork::set_faulty_router(const size_t faulty_x, |
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| 189 | const size_t faulty_y) |
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| 190 | { |
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| 191 | assert(faulty_x < m_x_size); |
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| 192 | assert(faulty_y < m_y_size); |
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| 193 | |
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| 194 | |
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| 195 | // transform the faulty router in a black-hole |
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| 196 | dspinRouter[faulty_x][faulty_y].set_disable_mask(0x1F); |
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| 197 | |
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| 198 | |
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| 199 | // reconfigure the faulty router's contour |
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| 200 | if (faulty_y < (m_y_size - 1)) { |
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| 201 | const uint32_t CONFIG_N = configRouter(1, REQ_SOUTH, BH_N); |
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| 202 | sConfigRouter[faulty_x][faulty_y + 1].write(CONFIG_N); |
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| 203 | |
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| 204 | if (faulty_x > 0) { |
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| 205 | const uint32_t CONFIG_NW = configRouter(1, REQ_EAST, BH_NW); |
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| 206 | sConfigRouter[faulty_x - 1][faulty_y + 1].write(CONFIG_NW); |
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| 207 | } |
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| 208 | if (faulty_x < (m_x_size - 1)) { |
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| 209 | const uint32_t CONFIG_NE = configRouter(1, REQ_WEST, BH_NE); |
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| 210 | sConfigRouter[faulty_x + 1][faulty_y + 1].write(CONFIG_NE); |
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| 211 | } |
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| 212 | } |
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| 213 | |
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| 214 | if (faulty_y > 0) { |
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| 215 | const uint32_t CONFIG_S = configRouter(1, REQ_NORTH, BH_S); |
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| 216 | sConfigRouter[faulty_x][faulty_y - 1].write(CONFIG_S); |
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| 217 | |
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| 218 | if (faulty_x > 0) { |
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| 219 | const uint32_t CONFIG_SW = configRouter(1, REQ_EAST, BH_SW); |
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| 220 | sConfigRouter[faulty_x - 1][faulty_y - 1].write(CONFIG_SW); |
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| 221 | } |
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| 222 | if (faulty_x < (m_x_size - 1)) { |
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| 223 | const uint32_t CONFIG_SE = configRouter(1, REQ_WEST, BH_SE); |
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| 224 | sConfigRouter[faulty_x + 1][faulty_y - 1].write(CONFIG_SE); |
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| 225 | } |
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| 226 | } |
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| 227 | |
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| 228 | if (faulty_x > 0) { |
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| 229 | const uint32_t CONFIG_W = configRouter(1, REQ_EAST, BH_W); |
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| 230 | sConfigRouter[faulty_x - 1][faulty_y].write(CONFIG_W); |
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| 231 | } |
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| 232 | |
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| 233 | if (faulty_x < (m_x_size - 1)) { |
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| 234 | const uint32_t CONFIG_E = configRouter(1, REQ_WEST, BH_E); |
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| 235 | sConfigRouter[faulty_x + 1][faulty_y].write(CONFIG_E); |
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| 236 | } |
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| 237 | } // end set_faulty_router() |
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| 238 | |
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| 239 | |
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| 240 | void SyntheticDspinNetwork::print_stats(const size_t x, const size_t y) |
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| 241 | { |
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| 242 | assert(x < m_x_size); |
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| 243 | assert(y < m_y_size); |
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| 244 | |
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| 245 | dspinGenerator[x][y].print_stats(); |
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| 246 | } |
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| 247 | |
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| 248 | |
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| 249 | } // end namespace caba |
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| 250 | } // end namespace soclib |
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| 251 | |
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| 252 | // Local Variables: |
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| 253 | // tab-width: 4 |
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| 254 | // c-basic-offset: 4 |
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| 255 | // c-file-offsets:((innamespace . 0)(inline-open . 0)) |
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| 256 | // indent-tabs-mode: nil |
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| 257 | // End: |
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