2d6470936c
This patch adds a _curTick variable to an eventq. This variable is updated whenever an event is serviced in function serviceOne(), or all events upto a particular time are processed in function serviceEvents(). This change helps when there are eventqs that do not make use of curTick for scheduling events.
101 lines
3.2 KiB
C++
101 lines
3.2 KiB
C++
/*
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* Copyright (c) 2012 The Regents of The University of Michigan
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* Copyright (c) 2012 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: Steve Reinhardt
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* Nathan Binkert
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* Nilay Vaish
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*/
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#ifndef __SIM_EVENTQ_IMPL_HH__
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#define __SIM_EVENTQ_IMPL_HH__
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#include "base/trace.hh"
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#include "sim/eventq.hh"
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inline void
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EventQueue::schedule(Event *event, Tick when)
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{
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assert(when >= getCurTick());
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assert(!event->scheduled());
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assert(event->initialized());
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event->setWhen(when, this);
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insert(event);
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event->flags.set(Event::Scheduled);
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if (this == &mainEventQueue)
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event->flags.set(Event::IsMainQueue);
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else
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event->flags.clear(Event::IsMainQueue);
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if (DTRACE(Event))
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event->trace("scheduled");
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}
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inline void
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EventQueue::deschedule(Event *event)
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{
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assert(event->scheduled());
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assert(event->initialized());
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remove(event);
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event->flags.clear(Event::Squashed);
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event->flags.clear(Event::Scheduled);
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if (DTRACE(Event))
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event->trace("descheduled");
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if (event->flags.isSet(Event::AutoDelete))
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delete event;
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}
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inline void
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EventQueue::reschedule(Event *event, Tick when, bool always)
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{
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assert(when >= getCurTick());
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assert(always || event->scheduled());
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assert(event->initialized());
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if (event->scheduled())
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remove(event);
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event->setWhen(when, this);
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insert(event);
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event->flags.clear(Event::Squashed);
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event->flags.set(Event::Scheduled);
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if (this == &mainEventQueue)
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event->flags.set(Event::IsMainQueue);
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else
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event->flags.clear(Event::IsMainQueue);
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if (DTRACE(Event))
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event->trace("rescheduled");
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}
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#endif // __SIM_EVENTQ_IMPL_HH__
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