1/* 2 * Copyright 2018 Google, Inc. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: redistributions of source code must retain the above copyright 7 * notice, this list of conditions and the following disclaimer; 8 * redistributions in binary form must reproduce the above copyright 9 * notice, this list of conditions and the following disclaimer in the 10 * documentation and/or other materials provided with the distribution; 11 * neither the name of the copyright holders nor the names of its 12 * contributors may be used to endorse or promote products derived from 13 * this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 18 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 19 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 21 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 * Authors: Gabe Black 28 */ 29 30#include "systemc/core/kernel.hh" 31 32#include "base/logging.hh" 33#include "systemc/core/channel.hh" 34#include "systemc/core/module.hh" 35#include "systemc/core/port.hh" 36#include "systemc/core/scheduler.hh" 37 38namespace sc_gem5 39{ 40 41namespace 42{ 43 44bool scMainDone = false; 45bool stopAfterCallbacks = false; 46bool startComplete = false; 47bool endComplete = false; 48 49sc_core::sc_status _status = sc_core::SC_ELABORATION; 50 51} // anonymous namespace 52 53bool Kernel::startOfSimulationComplete() { return startComplete; } 54bool Kernel::endOfSimulationComplete() { return endComplete; } 55 56bool Kernel::scMainFinished() { return scMainDone; } 57void Kernel::scMainFinished(bool finished) { scMainDone = finished; } 58 59sc_core::sc_status Kernel::status() { return _status; } 60void Kernel::status(sc_core::sc_status s) { _status = s; } 61 62Kernel::Kernel(Params *params) : 63 SimObject(params), t0Event(this, false, EventBase::Default_Pri - 1) 64{ 65 // Install ourselves as the scheduler's event manager. 66 ::sc_gem5::scheduler.setEventQueue(eventQueue()); 67} 68 69void 70Kernel::init() 71{ 72 if (scMainDone) 73 return; 74 75 if (stopAfterCallbacks) 76 fatal("Simulation called sc_stop during elaboration.\n"); 77 78 status(::sc_core::SC_BEFORE_END_OF_ELABORATION); 79 for (auto p: allPorts) 80 p->sc_port_base()->before_end_of_elaboration(); 81 for (auto m: sc_gem5::allModules) 82 m->beforeEndOfElaboration(); 83 for (auto c: sc_gem5::allChannels) 84 c->sc_chan()->before_end_of_elaboration();
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