gem5/ext/sst/ExtSlave.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.
//
// 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.
// Copyright 2009-2014 Sandia Coporation. Under the terms
// of Contract DE-AC04-94AL85000 with Sandia Corporation, the U.S.
// Government retains certain rights in this software.
//
// Copyright (c) 2009-2014, Sandia Corporation
// All rights reserved.
//
// For license information, see the LICENSE file in the current directory.
#ifndef EXT_SST_EXTSLAVE_HH
#define EXT_SST_EXTSLAVE_HH
#include <sst/core/serialization.h>
#include <sst/core/component.h>
#include <sst/core/output.h>
#include <sst/core/interfaces/simpleMem.h>
#include <sim/sim_object.hh>
#include <mem/packet.hh>
#include <mem/request.hh>
#include <mem/external_slave.hh>
namespace SST {
class Link;
class Event;
class MemEvent;
namespace gem5 {
class gem5Component;
class ExtSlave : public ExternalSlave::Port {
public:
const std::string name;
bool
recvTimingSnoopResp(PacketPtr packet)
{
fatal("recvTimingSnoopResp unimplemented");
return false;
}
bool recvTimingReq(PacketPtr packet);
void recvFunctional(PacketPtr packet);
void recvRespRetry();
Tick
recvAtomic(PacketPtr packet)
{
fatal("recvAtomic unimplemented");
}
enum Phase { CONSTRUCTION, INIT, RUN };
gem5Component *comp;
Output &out;
Phase simPhase;
std::list<MemEvent*>* initPackets;
Link* link;
std::list<PacketPtr> respQ;
bool blocked() { return !respQ.empty(); }
typedef std::map<Event::id_type, ::Packet*> PacketMap_t;
PacketMap_t PacketMap; // SST Event id -> gem5 Packet*
public:
ExtSlave(gem5Component*, Output&, ExternalSlave&, std::string&);
void init(unsigned phase);
void
setup()
{
simPhase = RUN;
}
void handleEvent(Event*);
};
}
}
#endif