mem_checker_monitor.hh

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/*
 * Copyright (c) 2012-2014 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.
 *
 * 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
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Authors: Thomas Grass
 *          Andreas Hansson
 *          Marco Elver
 */

#ifndef __MEM_MEM_CHECKER_MONITOR_HH__
#define __MEM_MEM_CHECKER_MONITOR_HH__

#include "base/statistics.hh"
#include "mem/mem_checker.hh"
#include "mem/mem_object.hh"
#include "params/MemCheckerMonitor.hh"
#include "sim/system.hh"

class MemCheckerMonitor : public MemObject
{
  public:

    typedef MemCheckerMonitorParams Params;
    const Params* params() const
    { return reinterpret_cast<const Params*>(_params); }

    MemCheckerMonitor(Params* params);

    ~MemCheckerMonitor();

    virtual BaseMasterPort& getMasterPort(const std::string& if_name,
                                          PortID idx = InvalidPortID);

    virtual BaseSlavePort& getSlavePort(const std::string& if_name,
                                        PortID idx = InvalidPortID);

    virtual void init();

  private:

    struct MemCheckerMonitorSenderState : public Packet::SenderState
    {
        MemCheckerMonitorSenderState(MemChecker::Serial _serial)
            : serial(_serial)
        {}

        MemChecker::Serial serial;
    };

    class MonitorMasterPort : public MasterPort
    {

      public:

        MonitorMasterPort(const std::string& _name, MemCheckerMonitor& _mon)
            : MasterPort(_name, &_mon), mon(_mon)
        { }

      protected:

        void recvFunctionalSnoop(PacketPtr pkt)
        {
            mon.recvFunctionalSnoop(pkt);
        }

        Tick recvAtomicSnoop(PacketPtr pkt)
        {
            return mon.recvAtomicSnoop(pkt);
        }

        bool recvTimingResp(PacketPtr pkt)
        {
            return mon.recvTimingResp(pkt);
        }

        void recvTimingSnoopReq(PacketPtr pkt)
        {
            mon.recvTimingSnoopReq(pkt);
        }

        void recvRangeChange()
        {
            mon.recvRangeChange();
        }

        bool isSnooping() const
        {
            return mon.isSnooping();
        }

        void recvReqRetry()
        {
            mon.recvReqRetry();
        }

      private:

        MemCheckerMonitor& mon;

    };

    MonitorMasterPort masterPort;

    class MonitorSlavePort : public SlavePort
    {

      public:

        MonitorSlavePort(const std::string& _name, MemCheckerMonitor& _mon)
            : SlavePort(_name, &_mon), mon(_mon)
        { }

      protected:

        void recvFunctional(PacketPtr pkt)
        {
            mon.recvFunctional(pkt);
        }

        Tick recvAtomic(PacketPtr pkt)
        {
            return mon.recvAtomic(pkt);
        }

        bool recvTimingReq(PacketPtr pkt)
        {
            return mon.recvTimingReq(pkt);
        }

        bool recvTimingSnoopResp(PacketPtr pkt)
        {
            return mon.recvTimingSnoopResp(pkt);
        }

        AddrRangeList getAddrRanges() const
        {
            return mon.getAddrRanges();
        }

        void recvRespRetry()
        {
            mon.recvRespRetry();
        }

      private:

        MemCheckerMonitor& mon;

    };

    MonitorSlavePort slavePort;

    void recvFunctional(PacketPtr pkt);

    void recvFunctionalSnoop(PacketPtr pkt);

    Tick recvAtomic(PacketPtr pkt);

    Tick recvAtomicSnoop(PacketPtr pkt);

    bool recvTimingReq(PacketPtr pkt);

    bool recvTimingResp(PacketPtr pkt);

    void recvTimingSnoopReq(PacketPtr pkt);

    bool recvTimingSnoopResp(PacketPtr pkt);

    AddrRangeList getAddrRanges() const;

    bool isSnooping() const;

    void recvReqRetry();

    void recvRespRetry();

    void recvRangeChange();

    bool warnOnly;

    MemChecker *memchecker;
};

#endif //__MEM_MEM_CHECKER_MONITOR_HH__