tsunami_cchip.hh

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/*
 * Copyright (c) 2004-2005 The Regents of The University of Michigan
 * 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: Ali Saidi
 */

#ifndef __TSUNAMI_CCHIP_HH__
#define __TSUNAMI_CCHIP_HH__

#include "dev/alpha/tsunami.hh"
#include "dev/io_device.hh"
#include "params/TsunamiCChip.hh"

class TsunamiCChip : public BasicPioDevice
{
  protected:
    Tsunami *tsunami;

    uint64_t dim[Tsunami::Max_CPUs];

    uint64_t dir[Tsunami::Max_CPUs];

    uint64_t drir;

    uint64_t ipint;

    uint64_t itint;

  public:
    typedef TsunamiCChipParams Params;
    TsunamiCChip(const Params *p);

    const Params *
    params() const
    {
        return dynamic_cast<const Params *>(_params);
    }

    Tick read(PacketPtr pkt) override;

    Tick write(PacketPtr pkt) override;

    void postRTC();

    void postDRIR(uint32_t interrupt);

    void clearDRIR(uint32_t interrupt);

    void clearIPI(uint64_t ipintr);

    void clearITI(uint64_t itintr);

    void reqIPI(uint64_t ipreq);

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

#endif // __TSUNAMI_CCHIP_HH__