port.cc revision 13260
112841Sgabeblack@google.com/* 212841Sgabeblack@google.com * Copyright 2018 Google, Inc. 312841Sgabeblack@google.com * 412841Sgabeblack@google.com * Redistribution and use in source and binary forms, with or without 512841Sgabeblack@google.com * modification, are permitted provided that the following conditions are 612841Sgabeblack@google.com * met: redistributions of source code must retain the above copyright 712841Sgabeblack@google.com * notice, this list of conditions and the following disclaimer; 812841Sgabeblack@google.com * redistributions in binary form must reproduce the above copyright 912841Sgabeblack@google.com * notice, this list of conditions and the following disclaimer in the 1012841Sgabeblack@google.com * documentation and/or other materials provided with the distribution; 1112841Sgabeblack@google.com * neither the name of the copyright holders nor the names of its 1212841Sgabeblack@google.com * contributors may be used to endorse or promote products derived from 1312841Sgabeblack@google.com * this software without specific prior written permission. 1412841Sgabeblack@google.com * 1512841Sgabeblack@google.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1612841Sgabeblack@google.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1712841Sgabeblack@google.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1812841Sgabeblack@google.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 1912841Sgabeblack@google.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2012841Sgabeblack@google.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2112841Sgabeblack@google.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2212841Sgabeblack@google.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2312841Sgabeblack@google.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2412841Sgabeblack@google.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2512841Sgabeblack@google.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2612841Sgabeblack@google.com * 2712841Sgabeblack@google.com * Authors: Gabe Black 2812841Sgabeblack@google.com */ 2912841Sgabeblack@google.com 3012841Sgabeblack@google.com#include "systemc/core/port.hh" 3112841Sgabeblack@google.com 3212841Sgabeblack@google.com#include "systemc/core/sensitivity.hh" 3313324Sgabeblack@google.com#include "systemc/ext/channel/sc_signal_in_if.hh" 3412841Sgabeblack@google.com 3512841Sgabeblack@google.comnamespace sc_gem5 3612841Sgabeblack@google.com{ 3712841Sgabeblack@google.com 3812841Sgabeblack@google.comvoid 3912841Sgabeblack@google.comPort::finalizePort(StaticSensitivityPort *port) 4012841Sgabeblack@google.com{ 4112841Sgabeblack@google.com for (int i = 0; i < size(); i++) 4212841Sgabeblack@google.com port->addEvent(&getInterface(i)->default_event()); 4312841Sgabeblack@google.com} 4412841Sgabeblack@google.com 4512841Sgabeblack@google.comvoid 4612841Sgabeblack@google.comPort::finalizeFinder(StaticSensitivityFinder *finder) 4712841Sgabeblack@google.com{ 4812841Sgabeblack@google.com for (int i = 0; i < size(); i++) 4912841Sgabeblack@google.com finder->addEvent(&finder->find(getInterface(i))); 5012841Sgabeblack@google.com} 5112841Sgabeblack@google.com 5212841Sgabeblack@google.comvoid 5312841Sgabeblack@google.comPort::finalizeReset(ResetSensitivityPort *reset) 5412841Sgabeblack@google.com{ 5512841Sgabeblack@google.com assert(size() <= 1); 5612841Sgabeblack@google.com if (size()) { 5712841Sgabeblack@google.com auto iface = 5812841Sgabeblack@google.com dynamic_cast<sc_core::sc_signal_in_if<bool> *>(getInterface(0)); 5912841Sgabeblack@google.com assert(iface); 6012841Sgabeblack@google.com reset->setSignal(iface); 6112841Sgabeblack@google.com } 62} 63 64void 65Port::sensitive(StaticSensitivityPort *port) 66{ 67 if (finalized) 68 finalizePort(port); 69 else 70 sensitivities.push_back(new Sensitivity(port)); 71} 72 73void 74Port::sensitive(StaticSensitivityFinder *finder) 75{ 76 if (finalized) 77 finalizeFinder(finder); 78 else 79 sensitivities.push_back(new Sensitivity(finder)); 80} 81 82void 83Port::sensitive(ResetSensitivityPort *reset) 84{ 85 if (finalized) 86 finalizeReset(reset); 87 else 88 sensitivities.push_back(new Sensitivity(reset)); 89} 90 91void 92Port::finalize() 93{ 94 if (finalized) 95 return; 96 finalized = true; 97 98 for (auto &b: bindings) { 99 if (b->interface) { 100 addInterface(b->interface); 101 } else { 102 b->port->_gem5Port->finalize(); 103 addInterfaces(b->port); 104 } 105 delete b; 106 } 107 108 bindings.clear(); 109 110 for (auto &s: sensitivities) { 111 if (s->port) 112 finalizePort(s->port); 113 else if (s->finder) 114 finalizeFinder(s->finder); 115 else 116 finalizeReset(s->reset); 117 delete s; 118 } 119 120 sensitivities.clear(); 121} 122 123std::list<Port *> allPorts; 124 125} // namespace sc_gem5 126