163 lines
4.6 KiB
C++
163 lines
4.6 KiB
C++
/*
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* Copyright (c) 2013 ARM Limited
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* All rights reserved
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*
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* The license below extends only to copyright in the software and shall
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* not be construed as granting a license to any other intellectual
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* property including but not limited to intellectual property relating
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* to a hardware implementation of the functionality of the software
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* licensed hereunder. You may use the software subject to the license
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* terms below provided that you ensure that this notice is replicated
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* unmodified and in its entirety in all distributions of the software,
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* modified or unmodified, in source code or in binary form.
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*
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* Copyright (c) 2002-2005 The Regents of The University of Michigan
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* Copyright (c) 2013 Advanced Micro Devices, Inc.
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* Copyright (c) 2013 Mark D. Hill and David A. Wood
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors: Nathan Binkert
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*/
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#include "sim/sim_events.hh"
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#include <string>
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#include "base/callback.hh"
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#include "base/hostinfo.hh"
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#include "sim/eventq_impl.hh"
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#include "sim/sim_exit.hh"
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#include "sim/stats.hh"
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using namespace std;
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GlobalSimLoopExitEvent::GlobalSimLoopExitEvent(Tick when,
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const std::string &_cause,
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int c, Tick r)
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: GlobalEvent(when, Sim_Exit_Pri, IsExitEvent),
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cause(_cause), code(c), repeat(r)
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{
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}
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const char *
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GlobalSimLoopExitEvent::description() const
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{
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return "global simulation loop exit";
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}
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//
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// handle termination event
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//
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void
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GlobalSimLoopExitEvent::process()
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{
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if (repeat) {
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schedule(curTick() + repeat);
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}
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}
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void
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exitSimLoop(const std::string &message, int exit_code, Tick when, Tick repeat,
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bool serialize)
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{
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warn_if(serialize && (when != curTick() || repeat),
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"exitSimLoop called with a delay and auto serialization. This is "
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"currently unsupported.");
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new GlobalSimLoopExitEvent(when + simQuantum, message, exit_code, repeat);
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}
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LocalSimLoopExitEvent::LocalSimLoopExitEvent(const std::string &_cause, int c,
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Tick r)
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: Event(Sim_Exit_Pri, IsExitEvent),
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cause(_cause), code(c), repeat(r)
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{
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}
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//
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// handle termination event
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//
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void
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LocalSimLoopExitEvent::process()
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{
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exitSimLoop(cause, 0);
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}
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const char *
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LocalSimLoopExitEvent::description() const
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{
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return "simulation loop exit";
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}
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void
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LocalSimLoopExitEvent::serialize(CheckpointOut &cp) const
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{
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Event::serialize(cp);
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SERIALIZE_SCALAR(cause);
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SERIALIZE_SCALAR(code);
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SERIALIZE_SCALAR(repeat);
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}
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void
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LocalSimLoopExitEvent::unserialize(CheckpointIn &cp)
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{
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Event::unserialize(cp);
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UNSERIALIZE_SCALAR(cause);
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UNSERIALIZE_SCALAR(code);
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UNSERIALIZE_SCALAR(repeat);
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}
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//
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// constructor: automatically schedules at specified time
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//
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CountedExitEvent::CountedExitEvent(const std::string &_cause, int &counter)
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: Event(Sim_Exit_Pri), cause(_cause), downCounter(counter)
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{
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// catch stupid mistakes
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assert(downCounter > 0);
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}
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//
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// handle termination event
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//
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void
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CountedExitEvent::process()
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{
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if (--downCounter == 0) {
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exitSimLoop(cause, 0);
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}
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}
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const char *
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CountedExitEvent::description() const
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{
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return "counted exit";
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}
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