sim_object.hh

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/*
 * Copyright (c) 2015 ARM Limited
 * All rights reserved
 *
 * The license below extends only to copyright in the software and shall
 * not be construed as granting a license to any other intellectual
 * property including but not limited to intellectual property relating
 * to a hardware implementation of the functionality of the software
 * licensed hereunder.  You may use the software subject to the license
 * terms below provided that you ensure that this notice is replicated
 * unmodified and in its entirety in all distributions of the software,
 * modified or unmodified, in source code or in binary form.
 *
 * Copyright (c) 2001-2005 The Regents of The University of Michigan
 * Copyright (c) 2010 Advanced Micro Devices, Inc.
 * All rights reserved.
 *
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 * 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;
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 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 *
 * Authors: Steve Reinhardt
 *          Nathan Binkert
 */

/* @file
 * User Console Definitions
 */

#ifndef __SIM_OBJECT_HH__
#define __SIM_OBJECT_HH__

#include <string>
#include <vector>

#include "base/stats/group.hh"
#include "params/SimObject.hh"
#include "sim/drain.hh"
#include "sim/eventq.hh"
#include "sim/eventq_impl.hh"
#include "sim/port.hh"
#include "sim/serialize.hh"

class EventManager;
class ProbeManager;

class SimObject : public EventManager, public Serializable, public Drainable,
                  public Stats::Group
{
  private:
    typedef std::vector<SimObject *> SimObjectList;

    static SimObjectList simObjectList;

    ProbeManager *probeManager;

  protected:
    const SimObjectParams *_params;

  public:
    typedef SimObjectParams Params;
    const Params *params() const { return _params; }
    SimObject(const Params *_params);
    virtual ~SimObject();

  public:

    virtual const std::string name() const { return params()->name; }

    virtual void init();

    virtual void loadState(CheckpointIn &cp);

    virtual void initState();

    virtual void regProbePoints();

    virtual void regProbeListeners();

    ProbeManager *getProbeManager();

    virtual Port &getPort(const std::string &if_name,
                          PortID idx=InvalidPortID);

    virtual void startup();

    DrainState drain() override { return DrainState::Drained; }

    virtual void memWriteback() {};

    virtual void memInvalidate() {};

    void serialize(CheckpointOut &cp) const override {};
    void unserialize(CheckpointIn &cp) override {};

    static void serializeAll(CheckpointOut &cp);

#ifdef DEBUG
  public:
    bool doDebugBreak;
    static void debugObjectBreak(const std::string &objs);
#endif

    static SimObject *find(const char *name);
};

class SimObjectResolver
{
  public:
    virtual ~SimObjectResolver() { }

    // Find a SimObject given a full path name
    virtual SimObject *resolveSimObject(const std::string &name) = 0;
};

#ifdef DEBUG
void debugObjectBreak(const char *objs);
#endif

#endif // __SIM_OBJECT_HH__