text: /*
   * Copyright (c) 2012 The Regents of The University of Michigan
   * Copyright (c) 2012 Mark D. Hill and David A. Wood
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are
   * met: redistributions of source code must retain the above copyright
   * notice, this list of conditions and the following disclaimer;
   * redistributions in binary form must reproduce the above copyright
   * notice, this list of conditions and the following disclaimer in the
   * documentation and/or other materials provided with the distribution;
   * neither the name of the copyright holders nor the names of its
   * contributors may be used to endorse or promote products derived from
   * this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   *
   * Authors: Steve Reinhardt
   *          Nathan Binkert
   *          Nilay Vaish
   */
  
  #ifndef __SIM_EVENTQ_IMPL_HH__
  #define __SIM_EVENTQ_IMPL_HH__
  
  #include "base/trace.hh"
  #include "sim/eventq.hh"
  
  inline void
  EventQueue::schedule(Event *event, Tick when)
  {   
      assert(when >= getCurTick());
      assert(!event->scheduled());
      assert(event->initialized());
  
      event->setWhen(when, this);
      insert(event);
      event->flags.set(Event::Scheduled);
      if (this == &mainEventQueue)
          event->flags.set(Event::IsMainQueue);
      else
          event->flags.clear(Event::IsMainQueue);
  
      if (DTRACE(Event))
          event->trace("scheduled");
  }
  
  inline void
  EventQueue::deschedule(Event *event)
  {
      assert(event->scheduled());
      assert(event->initialized());
  
      remove(event);
  
      event->flags.clear(Event::Squashed);
      event->flags.clear(Event::Scheduled);
  
      if (DTRACE(Event))
          event->trace("descheduled");
  
      if (event->flags.isSet(Event::AutoDelete))
          delete event;
  }
  
  inline void
  EventQueue::reschedule(Event *event, Tick when, bool always)
  {
      assert(when >= getCurTick());
      assert(always || event->scheduled());
      assert(event->initialized());
  
      if (event->scheduled())
          remove(event);
  
      event->setWhen(when, this);
      insert(event);
      event->flags.clear(Event::Squashed);
      event->flags.set(Event::Scheduled);
      if (this == &mainEventQueue)
          event->flags.set(Event::IsMainQueue);
      else
          event->flags.clear(Event::IsMainQueue);
  
      if (DTRACE(Event))
          event->trace("rescheduled");
  }
  
  #endif // __SIM_EVENTQ_IMPL_HH__
  