[77] | 1 | /* -*- c++ -*- |
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| 2 | * File : vci_traffic_generator.cpp |
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| 3 | * Date : 26/08/2010 |
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| 4 | * Copyright : UPMC / LIP6 |
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| 5 | * Authors : Christophe Choichillon |
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| 6 | * |
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| 7 | * SOCLIB_LGPL_HEADER_BEGIN |
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| 8 | * |
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| 9 | * This file is part of SoCLib, GNU LGPLv2.1. |
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| 10 | * |
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| 11 | * SoCLib is free software; you can redistribute it and/or modify it |
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| 12 | * under the terms of the GNU Lesser General Public License as published |
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| 13 | * by the Free Software Foundation; version 2.1 of the License. |
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| 14 | * |
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| 15 | * SoCLib is distributed in the hope that it will be useful, but |
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| 16 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 18 | * Lesser General Public License for more details. |
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| 19 | * |
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| 20 | * You should have received a copy of the GNU Lesser General Public |
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| 21 | * License along with SoCLib; if not, write to the Free Software |
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| 22 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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| 23 | * 02110-1301 USA |
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| 24 | * |
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| 25 | * SOCLIB_LGPL_HEADER_END |
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| 26 | * |
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| 27 | * Maintainers: christophe.choichillon@lip6.fr |
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| 28 | */ |
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| 29 | |
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[78] | 30 | #include "../include/vci_synthetic_initiator.h" |
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[77] | 31 | |
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| 32 | |
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| 33 | |
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| 34 | namespace soclib { namespace caba { |
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| 35 | |
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| 36 | |
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[78] | 37 | #define tmpl(x) template<typename vci_param> x VciSyntheticInitiator<vci_param> |
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[77] | 38 | |
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[78] | 39 | //using soclib::common::uint32_log2; |
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| 40 | |
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[77] | 41 | //////////////////////////////// |
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| 42 | // Constructor |
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| 43 | //////////////////////////////// |
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| 44 | |
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[78] | 45 | tmpl(/**/)::VciSyntheticInitiator( |
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[77] | 46 | sc_module_name name, |
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[78] | 47 | size_t length, // Packet length (flit numbers) |
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| 48 | float rho, // Packets ratio on the network |
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| 49 | size_t depth, // Fifo depth |
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| 50 | size_t x, // |
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| 51 | size_t y, // |
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| 52 | size_t xmesh, |
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| 53 | size_t ymesh, |
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| 54 | size_t bc_period, // Broadcast period, if no broadcast => 0 |
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| 55 | size_t xmin, |
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| 56 | size_t xmax, |
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| 57 | size_t ymin, |
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| 58 | size_t ymax |
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| 59 | ) |
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[77] | 60 | |
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| 61 | : soclib::caba::BaseModule(name), |
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| 62 | |
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| 63 | p_clk("clk"), |
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| 64 | p_resetn("resetn"), |
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| 65 | p_vci("vci_ini"), |
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| 66 | |
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| 67 | m_srcid_ini( mtc.indexForId(vci_ini_index) ), |
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| 68 | // FIFOs |
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[81] | 69 | m_length(length), |
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| 70 | m_rho(rho), |
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| 71 | m_depth(depth), |
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| 72 | m_x(x), |
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| 73 | m_y(y), |
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| 74 | m_xmesh(xmesh), |
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| 75 | m_ymesh(ymesh), |
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| 76 | m_bc_period(bc_period), |
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| 77 | m_xmin(xmin), |
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| 78 | m_xmax(xmax), |
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| 79 | m_ymin(ymin), |
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| 80 | m_ymax(ymax), |
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[78] | 81 | m_date_fifo("m_date_fifo", depth), |
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[77] | 82 | r_tgt_cmd_fsm("r_tgt_cmd_fsm"), |
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| 83 | { |
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| 84 | |
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| 85 | |
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| 86 | SC_METHOD(transition); |
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| 87 | dont_initialize(); |
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| 88 | sensitive << p_clk.pos(); |
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| 89 | |
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| 90 | SC_METHOD(genMoore); |
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| 91 | dont_initialize(); |
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| 92 | sensitive << p_clk.neg(); |
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| 93 | |
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| 94 | } // end constructor |
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| 95 | |
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| 96 | |
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| 97 | ///////////////////////////////// |
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[78] | 98 | tmpl(/**/)::~VciSyntheticInitiator() |
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[77] | 99 | ///////////////////////////////// |
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| 100 | { |
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| 101 | } |
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| 102 | |
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[81] | 103 | /////////////////////////////////// |
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| 104 | tmpl(void)::destAdress(size_t X_local, size_t Y_local, size_t &X_dest, size_t &Y_dest) |
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| 105 | /////////////////////////////////// |
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| 106 | { |
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| 107 | X_dest = (size_t) ((rand())%m_xmesh); |
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| 108 | Y_dest = (size_t) ((rand())%m_ymesh); |
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| 109 | } |
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| 110 | |
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[77] | 111 | ////////////////////////////////// |
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| 112 | tmpl(void)::transition() |
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| 113 | ////////////////////////////////// |
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| 114 | { |
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[78] | 115 | //using soclib::common::uint32_log2; |
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[77] | 116 | // RESET |
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| 117 | if ( ! p_resetn.read() ) { |
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[81] | 118 | //srand(time(NULL)); |
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[77] | 119 | // Initializing FSMs |
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| 120 | r_tgt_cmd_fsm = TGT_CMD_IDLE; |
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| 121 | |
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| 122 | // initializing FIFOs and communication Buffers |
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| 123 | |
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[78] | 124 | m_date_fifo.init(); |
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[77] | 125 | |
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| 126 | // Activity counters |
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| 127 | m_cpt_cycles = 0; |
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[81] | 128 | m_npackets = 0; |
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[77] | 129 | |
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| 130 | return; |
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| 131 | } |
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| 132 | |
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[81] | 133 | bool date_fifo_put = false; |
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| 134 | bool date_fifo_get = false; |
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[77] | 135 | |
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[78] | 136 | switch ( r_vci_fsm.read() ) { |
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[77] | 137 | |
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| 138 | ////////////////// |
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[78] | 139 | case VCI_IDLE: |
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[77] | 140 | { |
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| 141 | break; |
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| 142 | } |
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| 143 | ////////////////// |
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[78] | 144 | case VCI_SINGLE_SEND: |
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[77] | 145 | { |
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| 146 | break; |
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| 147 | } |
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| 148 | ////////////////////// |
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[78] | 149 | case VCI_SINGLE_RECEIVE: |
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[77] | 150 | { |
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[81] | 151 | if (p_vci.cmdack.read()) { |
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| 152 | // LATENCY |
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| 153 | r_vci_fsm = VCI_IDLE ; |
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| 154 | } |
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[77] | 155 | break; |
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| 156 | } |
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| 157 | /////////////////// |
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[78] | 158 | case VCI_BC_SEND: |
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[77] | 159 | { |
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| 160 | break; |
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| 161 | } |
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| 162 | //////////////////// |
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[78] | 163 | case VCI_BC_RECEIVE: |
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[77] | 164 | { |
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[81] | 165 | r_broadcast_req = false; |
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[77] | 166 | break; |
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| 167 | } |
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[78] | 168 | } // end switch vci_fsm |
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[77] | 169 | |
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| 170 | |
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[81] | 171 | /////////////////// Filling fifo |
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| 172 | if(){ |
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| 173 | if (m_date_fifo.wok()){ |
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| 174 | date_fifo_put = true ; |
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| 175 | } |
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| 176 | if (!r_broadcast_req.read() && (m_cpt_cycles % bc_period)){ |
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| 177 | r_broadcast_req = true; |
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| 178 | } |
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| 179 | } |
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| 180 | |
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| 181 | if (date_fifo_put){ |
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| 182 | if (date_fifo_get){ |
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| 183 | m_date_fifo.put_and_get(m_cpt_cycles); |
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[77] | 184 | } else { |
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[81] | 185 | m_date_fifo.simple_put(m_cpt_cycles); |
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[77] | 186 | } |
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| 187 | } else { |
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[81] | 188 | if (date_fifo_get){ |
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| 189 | m_date_fifo.simple_get(); |
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[77] | 190 | } |
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| 191 | } |
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| 192 | |
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[81] | 193 | |
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[77] | 194 | m_cpt_cycles++; |
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| 195 | |
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[81] | 196 | return; |
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| 197 | |
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[77] | 198 | } // end transition() |
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| 199 | |
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| 200 | ///////////////////////////// |
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| 201 | tmpl(void)::genMoore() |
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| 202 | ///////////////////////////// |
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| 203 | { |
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| 204 | //////////////////////////////////////////////////////////// |
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| 205 | // Command signals on the p_vci_ixr port |
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| 206 | //////////////////////////////////////////////////////////// |
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[81] | 207 | p_vci.cmd = vci_param::CMD_READ; |
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| 208 | p_vci.be = 0xF; |
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| 209 | p_vci.pktid = 0; |
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| 210 | p_vci.srcid = m_srcid_ixr; |
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| 211 | p_vci.cons = false; |
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| 212 | p_vci.wrap = false; |
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| 213 | p_vci.contig = true; |
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| 214 | p_vci.clen = 0; |
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| 215 | p_vci.cfixed = false; |
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[77] | 216 | |
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| 217 | |
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[78] | 218 | switch ( r_vci_fsm.read() ) { |
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[77] | 219 | |
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[78] | 220 | ////////////////// |
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| 221 | case VCI_IDLE: |
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| 222 | { |
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[81] | 223 | p_vci.cmdval = false; |
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| 224 | p_vci.address = 0; |
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| 225 | p_vci.plen = 0; |
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| 226 | p_vci.wdata = 0; |
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| 227 | p_vci.trdid = 0; |
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| 228 | p_vci.eop = false; |
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[78] | 229 | break; |
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| 230 | } |
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| 231 | ////////////////// |
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| 232 | case VCI_SINGLE_SEND: |
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| 233 | { |
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[81] | 234 | p_vci.cmdval = true ; |
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[78] | 235 | break; |
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| 236 | } |
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| 237 | ////////////////////// |
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| 238 | case VCI_SINGLE_RECEIVE: |
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| 239 | { |
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| 240 | break; |
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| 241 | } |
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| 242 | /////////////////// |
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| 243 | case VCI_BC_SEND: |
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| 244 | { |
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| 245 | break; |
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| 246 | } |
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| 247 | //////////////////// |
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| 248 | case VCI_BC_RECEIVE: |
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| 249 | { |
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| 250 | break; |
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| 251 | } |
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| 252 | } // end switch vci_fsm |
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[77] | 253 | |
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| 254 | } // end genMoore() |
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| 255 | |
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| 256 | }} // end name space |
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