[8] | 1 | /* -*- c++ -*- |
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| 2 | * SOCLIB_LGPL_HEADER_BEGIN |
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| 3 | * |
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| 4 | * This file is part of SoCLib, GNU LGPLv2.1. |
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| 5 | * |
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| 6 | * SoCLib is free software; you can redistribute it and/or modify it |
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| 7 | * under the terms of the GNU Lesser General Public License as published |
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| 8 | * by the Free Software Foundation; version 2.1 of the License. |
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| 9 | * |
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| 10 | * SoCLib is distributed in the hope that it will be useful, but |
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| 11 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | * Lesser General Public License for more details. |
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| 14 | * |
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| 15 | * You should have received a copy of the GNU Lesser General Public |
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| 16 | * License along with SoCLib; if not, write to the Free Software |
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| 17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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| 18 | * 02110-1301 USA |
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| 19 | * |
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| 20 | * SOCLIB_LGPL_HEADER_END |
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| 21 | * |
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| 22 | * Authors : Abdelmalek SI MERABET |
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| 23 | * Date : March 2010 |
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| 24 | * Copyright: UPMC - LIP6 |
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| 25 | */ |
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| 26 | |
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| 27 | #include <iostream> |
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| 28 | #include <string> |
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| 29 | #include <stdarg.h> |
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| 30 | #include "alloc_elems.h" |
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| 31 | #include "../include/vci_local_ring_network_2.h" |
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| 32 | |
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| 33 | namespace soclib { namespace caba { |
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| 34 | |
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| 35 | using soclib::common::alloc_elems; |
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| 36 | using soclib::common::dealloc_elems; |
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| 37 | |
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| 38 | #define tmpl(x) template<typename vci_param, int ring_cmd_data_size, int ring_rsp_data_size > x VciLocalRingNetwork2<vci_param, ring_cmd_data_size, ring_rsp_data_size > |
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| 39 | |
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| 40 | //////////////////////////////// |
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| 41 | // constructor |
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| 42 | // |
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| 43 | //////////////////////////////// |
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| 44 | tmpl(/**/)::VciLocalRingNetwork2( sc_module_name insname, |
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| 45 | const soclib::common::MappingTable &mt, |
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| 46 | const soclib::common::IntTab &ringid, |
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| 47 | const int &wrapper_fifo_depth, |
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| 48 | const int &half_gateway_fifo_depth, |
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| 49 | int nb_attached_initiator, |
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| 50 | int nb_attached_target) |
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| 51 | : soclib::caba::BaseModule(insname), |
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| 52 | m_ns(nb_attached_initiator+nb_attached_target+2), |
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| 53 | m_nai(nb_attached_initiator), |
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| 54 | m_nat(nb_attached_target) |
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| 55 | { |
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| 56 | |
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| 57 | |
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| 58 | |
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| 59 | p_to_initiator = soclib::common::alloc_elems<soclib::caba::VciTarget<vci_param> >("p_to_initiator", m_nai); |
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| 60 | p_to_target = soclib::common::alloc_elems<soclib::caba::VciInitiator<vci_param> >("p_to_target", m_nat); |
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| 61 | |
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| 62 | m_ring_initiator = new ring_initiator_t*[m_nai]; |
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| 63 | m_ring_target = new ring_target_t*[m_nat]; |
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| 64 | m_ring_signal = new ring_signal_t[m_ns]; |
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| 65 | |
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| 66 | |
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| 67 | std::ostringstream o; |
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| 68 | o << name() << "_hg_init"; |
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| 69 | |
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| 70 | m_half_gateway_initiator = new half_gateway_initiator_t(o.str().c_str(), false, half_gateway_fifo_depth, mt, ringid, false); |
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| 71 | |
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| 72 | std::ostringstream p; |
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| 73 | p << name() << "_hg_target"; |
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| 74 | m_half_gateway_target = new half_gateway_target_t(p.str().c_str(), false, half_gateway_fifo_depth, mt, ringid, false); |
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| 75 | |
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| 76 | for(size_t i=0; i<m_nai; ++i) { |
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| 77 | bool alloc_init = (i==0); |
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| 78 | std::ostringstream o; |
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| 79 | o << name() << "_init_" << i; |
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| 80 | m_ring_initiator[i] = new ring_initiator_t(o.str().c_str(), alloc_init, wrapper_fifo_depth, mt, ringid, i); |
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| 81 | } |
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| 82 | |
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| 83 | for(size_t i=0; i<m_nat; ++i) { |
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| 84 | bool alloc_target = (i==0); |
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| 85 | std::ostringstream o; |
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| 86 | o << name() << "_target_" << i; |
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| 87 | m_ring_target[i] = new ring_target_t(o.str().c_str(), alloc_target, wrapper_fifo_depth, mt, ringid, i); |
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| 88 | } |
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| 89 | |
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| 90 | SC_METHOD(transition); |
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| 91 | dont_initialize(); |
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| 92 | sensitive << p_clk.pos(); |
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| 93 | |
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| 94 | SC_METHOD(genMoore); |
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| 95 | dont_initialize(); |
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| 96 | sensitive << p_clk.neg(); |
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| 97 | } |
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| 98 | //--------------------------// |
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| 99 | tmpl(void)::transition() // |
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| 100 | //--------------------------// |
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| 101 | { |
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| 102 | |
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| 103 | |
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| 104 | if ( ! p_resetn.read() ) { |
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| 105 | for(size_t i=0;i<m_nai;i++) |
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| 106 | m_ring_initiator[i]->reset(); |
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| 107 | for(size_t t=0;t<m_nat;t++) |
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| 108 | m_ring_target[t]->reset(); |
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| 109 | |
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| 110 | m_half_gateway_initiator->reset(); |
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| 111 | m_half_gateway_target->reset(); |
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| 112 | return; |
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| 113 | } |
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| 114 | |
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| 115 | // update ring signals Three iterations |
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| 116 | // this is intended in order to break the loop due to dependency existing between ring signals |
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| 117 | // this rule is based based on relaxation principle |
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| 118 | |
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| 119 | //- 1st |
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| 120 | for(size_t i=0;i<m_nai;i++) { |
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| 121 | size_t h = 0; |
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| 122 | if(i == 0) h = m_ns-1; |
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| 123 | else h = i-1; |
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| 124 | m_ring_initiator[i]->update_ring_signals(m_ring_signal[h], m_ring_signal[i]); |
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| 125 | } |
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| 126 | |
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| 127 | for(size_t i=0;i<m_nat;i++){ |
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| 128 | m_ring_target[i]->update_ring_signals(m_ring_signal[m_nai+i-1], m_ring_signal[m_nai+i] ); |
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| 129 | } |
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| 130 | |
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| 131 | m_half_gateway_initiator->update_ring_signals(m_ring_signal[m_nai+m_nat-1], m_ring_signal[m_nai+m_nat] ); |
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| 132 | |
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| 133 | m_half_gateway_target->update_ring_signals(m_ring_signal[m_ns-2], m_ring_signal[m_ns-1] ); |
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| 134 | |
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| 135 | //- 2nd |
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| 136 | for(size_t i=0;i<m_nai;i++) { |
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| 137 | size_t h = 0; |
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| 138 | if(i == 0) h = m_ns-1; |
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| 139 | else h = i-1; |
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| 140 | m_ring_initiator[i]->update_ring_signals(m_ring_signal[h], m_ring_signal[i]); |
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| 141 | } |
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| 142 | |
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| 143 | for(size_t i=0;i<m_nat;i++){ |
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| 144 | m_ring_target[i]->update_ring_signals(m_ring_signal[m_nai+i-1], m_ring_signal[m_nai+i] ); |
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| 145 | } |
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| 146 | |
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| 147 | m_half_gateway_initiator->update_ring_signals(m_ring_signal[m_nai+m_nat-1], m_ring_signal[m_nai+m_nat] ); |
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| 148 | |
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| 149 | m_half_gateway_target->update_ring_signals(m_ring_signal[m_ns-2], m_ring_signal[m_ns-1] ); |
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| 150 | |
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| 151 | |
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| 152 | //- 3rd |
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| 153 | for(size_t i=0;i<m_nai;i++) { |
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| 154 | size_t h = 0; |
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| 155 | if(i == 0) h = m_ns-1; |
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| 156 | else h = i-1; |
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| 157 | m_ring_initiator[i]->update_ring_signals(m_ring_signal[h], m_ring_signal[i]); |
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| 158 | } |
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| 159 | |
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| 160 | for(size_t i=0;i<m_nat;i++){ |
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| 161 | m_ring_target[i]->update_ring_signals(m_ring_signal[m_nai+i-1], m_ring_signal[m_nai+i] ); |
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| 162 | } |
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| 163 | |
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| 164 | m_half_gateway_initiator->update_ring_signals(m_ring_signal[m_nai+m_nat-1], m_ring_signal[m_nai+m_nat] ); |
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| 165 | |
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| 166 | m_half_gateway_target->update_ring_signals(m_ring_signal[m_ns-2], m_ring_signal[m_ns-1] ); |
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| 167 | |
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| 168 | //-----------------------------------------------// |
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| 169 | // transition // |
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| 170 | //----------------------------------------------// |
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| 171 | |
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| 172 | for(size_t i=0;i<m_nai;i++) { |
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| 173 | size_t h = 0; |
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| 174 | if(i == 0) h = m_ns-1; |
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| 175 | else h = i-1; |
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| 176 | m_ring_initiator[i]->transition(p_to_initiator[i], m_ring_signal[h]); |
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| 177 | } |
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| 178 | for(size_t t=0;t<m_nat;t++) { |
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| 179 | m_ring_target[t]->transition(p_to_target[t], m_ring_signal[m_nai+t-1]); |
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| 180 | } |
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| 181 | |
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| 182 | m_half_gateway_initiator->transition(p_gate_initiator, m_ring_signal[m_nai+m_nat-1]); |
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| 183 | m_half_gateway_target->transition(p_gate_target, m_ring_signal[m_nai+m_nat]); |
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| 184 | |
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| 185 | |
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| 186 | /*-------- print |
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| 187 | for(size_t t=0;t<m_nat;t++) { |
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| 188 | print_signal(m_nai+t-1); |
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| 189 | print_vci_target(t); |
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| 190 | } |
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| 191 | |
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| 192 | for(size_t i=0;i<m_nai;i++) { |
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| 193 | size_t h = 0; |
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| 194 | if(i == 0) h = m_ns-1; |
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| 195 | else h = i-1; |
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| 196 | print_signal(h); |
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| 197 | print_vci_init(i); |
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| 198 | } |
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| 199 | */ |
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| 200 | } |
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| 201 | |
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| 202 | tmpl(void)::genMoore() |
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| 203 | { |
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| 204 | |
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| 205 | for(size_t i=0;i<m_nai;i++) |
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| 206 | m_ring_initiator[i]->genMoore(p_to_initiator[i]); |
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| 207 | for(size_t t=0;t<m_nat;t++) |
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| 208 | m_ring_target[t]->genMoore(p_to_target[t]); |
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| 209 | |
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| 210 | m_half_gateway_initiator->genMoore(p_gate_initiator); |
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| 211 | |
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| 212 | m_half_gateway_target->genMoore(p_gate_target); |
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| 213 | } |
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| 214 | //---------------- destructor |
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| 215 | tmpl(/**/)::~VciLocalRingNetwork2() |
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| 216 | { |
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| 217 | |
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| 218 | delete m_half_gateway_initiator; |
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| 219 | delete m_half_gateway_target; |
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| 220 | |
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| 221 | for(size_t x = 0; x < m_nai; x++) |
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| 222 | delete m_ring_initiator[x]; |
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| 223 | |
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| 224 | for(size_t x = 0; x < m_nat; x++) |
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| 225 | delete m_ring_target[x]; |
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| 226 | |
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| 227 | //for(size_t x = 0; x < m_ns; x++) |
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| 228 | // delete m_ring_signal[x]; |
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| 229 | |
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| 230 | delete [] m_ring_initiator; |
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| 231 | delete [] m_ring_target; |
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| 232 | delete [] m_ring_signal; |
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| 233 | |
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| 234 | dealloc_elems(p_to_initiator,m_nai); |
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| 235 | dealloc_elems(p_to_target, m_nat);; |
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| 236 | } |
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| 237 | }} // end namespace |
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