diff --git a/src/dev/net/sinic.hh b/src/dev/net/sinic.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: Nathan Binkert
+ */
+
+#ifndef __DEV_NET_SINIC_HH__
+#define __DEV_NET_SINIC_HH__
+
+#include "base/inet.hh"
+#include "base/statistics.hh"
+#include "dev/io_device.hh"
+#include "dev/net/etherdevice.hh"
+#include "dev/net/etherint.hh"
+#include "dev/net/etherpkt.hh"
+#include "dev/net/pktfifo.hh"
+#include "dev/net/sinicreg.hh"
+#include "dev/pci/device.hh"
+#include "params/Sinic.hh"
+#include "sim/eventq.hh"
+
+namespace Sinic {
+
+class Interface;
+class Base : public EtherDevBase
+{
+  protected:
+    bool rxEnable;
+    bool txEnable;
+
+  protected:
+    Tick intrDelay;
+    Tick intrTick;
+    bool cpuIntrEnable;
+    bool cpuPendingIntr;
+    void cpuIntrPost(Tick when);
+    void cpuInterrupt();
+    void cpuIntrClear();
+
+    typedef EventWrapper<Base, &Base::cpuInterrupt> IntrEvent;
+    friend void IntrEvent::process();
+    IntrEvent *intrEvent;
+    Interface *interface;
+
+    bool cpuIntrPending() const;
+    void cpuIntrAck() { cpuIntrClear(); }
+
+/**
+ * Serialization stuff
+ */
+  public:
+    void serialize(CheckpointOut &cp) const override;
+    void unserialize(CheckpointIn &cp) override;
+
+/**
+ * Construction/Destruction/Parameters
+ */
+  public:
+    typedef SinicParams Params;
+    const Params *params() const { return (const Params *)_params; }
+    Base(const Params *p);
+};
+
+class Device : public Base
+{
+  protected:
+    /** Receive State Machine States */
+    enum RxState {
+        rxIdle,
+        rxFifoBlock,
+        rxBeginCopy,
+        rxCopy,
+        rxCopyDone
+    };
+
+    /** Transmit State Machine states */
+    enum TxState {
+        txIdle,
+        txFifoBlock,
+        txBeginCopy,
+        txCopy,
+        txCopyDone
+    };
+
+    /** device register file */
+    struct {
+        uint32_t Config;       // 0x00
+        uint32_t Command;      // 0x04
+        uint32_t IntrStatus;   // 0x08
+        uint32_t IntrMask;     // 0x0c
+        uint32_t RxMaxCopy;    // 0x10
+        uint32_t TxMaxCopy;    // 0x14
+        uint32_t ZeroCopySize; // 0x18
+        uint32_t ZeroCopyMark; // 0x1c
+        uint32_t VirtualCount; // 0x20
+        uint32_t RxMaxIntr;    // 0x24
+        uint32_t RxFifoSize;   // 0x28
+        uint32_t TxFifoSize;   // 0x2c
+        uint32_t RxFifoLow;    // 0x30
+        uint32_t TxFifoLow;    // 0x34
+        uint32_t RxFifoHigh;   // 0x38
+        uint32_t TxFifoHigh;   // 0x3c
+        uint64_t RxData;       // 0x40
+        uint64_t RxDone;       // 0x48
+        uint64_t RxWait;       // 0x50
+        uint64_t TxData;       // 0x58
+        uint64_t TxDone;       // 0x60
+        uint64_t TxWait;       // 0x68
+        uint64_t HwAddr;       // 0x70
+        uint64_t RxStatus;     // 0x78
+    } regs;
+
+    struct VirtualReg {
+        uint64_t RxData;
+        uint64_t RxDone;
+        uint64_t TxData;
+        uint64_t TxDone;
+
+        PacketFifo::iterator rxIndex;
+        unsigned rxPacketOffset;
+        unsigned rxPacketBytes;
+        uint64_t rxDoneData;
+
+        Counter rxUnique;
+        Counter txUnique;
+
+        VirtualReg()
+            : RxData(0), RxDone(0), TxData(0), TxDone(0),
+              rxPacketOffset(0), rxPacketBytes(0), rxDoneData(0)
+        { }
+    };
+    typedef std::vector<VirtualReg> VirtualRegs;
+    typedef std::list<unsigned> VirtualList;
+    Counter rxUnique;
+    Counter txUnique;
+    VirtualRegs virtualRegs;
+    VirtualList rxList;
+    VirtualList rxBusy;
+    int rxActive;
+    VirtualList txList;
+
+    int rxBusyCount;
+    int rxMappedCount;
+    int rxDirtyCount;
+
+    uint8_t  &regData8(Addr daddr) { return *((uint8_t *)&regs + daddr); }
+    uint32_t &regData32(Addr daddr) { return *(uint32_t *)&regData8(daddr); }
+    uint64_t &regData64(Addr daddr) { return *(uint64_t *)&regData8(daddr); }
+
+  protected:
+    RxState rxState;
+    PacketFifo rxFifo;
+    PacketFifo::iterator rxFifoPtr;
+    bool rxEmpty;
+    bool rxLow;
+    Addr rxDmaAddr;
+    uint8_t *rxDmaData;
+    unsigned rxDmaLen;
+
+    TxState txState;
+    PacketFifo txFifo;
+    bool txFull;
+    EthPacketPtr txPacket;
+    int txPacketOffset;
+    int txPacketBytes;
+    Addr txDmaAddr;
+    uint8_t *txDmaData;
+    int txDmaLen;
+
+  protected:
+    void reset();
+
+    void rxKick();
+    Tick rxKickTick;
+    typedef EventWrapper<Device, &Device::rxKick> RxKickEvent;
+    friend void RxKickEvent::process();
+
+    void txKick();
+    Tick txKickTick;
+    typedef EventWrapper<Device, &Device::txKick> TxKickEvent;
+    friend void TxKickEvent::process();
+
+    /**
+     * Retransmit event
+     */
+    void transmit();
+    void txEventTransmit()
+    {
+        transmit();
+        if (txState == txFifoBlock)
+            txKick();
+    }
+    typedef EventWrapper<Device, &Device::txEventTransmit> TxEvent;
+    friend void TxEvent::process();
+    TxEvent txEvent;
+
+    void txDump() const;
+    void rxDump() const;
+
+    /**
+     * receive address filter
+     */
+    bool rxFilter(const EthPacketPtr &packet);
+
+/**
+ * device configuration
+ */
+    void changeConfig(uint32_t newconfig);
+    void command(uint32_t command);
+
+/**
+ * device ethernet interface
+ */
+  public:
+    bool recvPacket(EthPacketPtr packet);
+    void transferDone();
+    EtherInt *getEthPort(const std::string &if_name, int idx) override;
+
+/**
+ * DMA parameters
+ */
+  protected:
+    void rxDmaDone();
+    friend class EventWrapper<Device, &Device::rxDmaDone>;
+    EventWrapper<Device, &Device::rxDmaDone> rxDmaEvent;
+
+    void txDmaDone();
+    friend class EventWrapper<Device, &Device::txDmaDone>;
+    EventWrapper<Device, &Device::txDmaDone> txDmaEvent;
+
+    Tick dmaReadDelay;
+    Tick dmaReadFactor;
+    Tick dmaWriteDelay;
+    Tick dmaWriteFactor;
+
+/**
+ * Interrupt management
+ */
+  protected:
+    void devIntrPost(uint32_t interrupts);
+    void devIntrClear(uint32_t interrupts = Regs::Intr_All);
+    void devIntrChangeMask(uint32_t newmask);
+
+/**
+ * Memory Interface
+ */
+  public:
+    Tick read(PacketPtr pkt) override;
+    Tick write(PacketPtr pkt) override;
+    virtual void drainResume() override;
+
+    void prepareIO(ContextID cpu, int index);
+    void prepareRead(ContextID cpu, int index);
+    void prepareWrite(ContextID cpu, int index);
+ //   Fault iprRead(Addr daddr, ContextID cpu, uint64_t &result);
+
+/**
+ * Statistics
+ */
+  private:
+    Stats::Scalar totalVnicDistance;
+    Stats::Scalar numVnicDistance;
+    Stats::Scalar maxVnicDistance;
+    Stats::Formula avgVnicDistance;
+
+    int _maxVnicDistance;
+
+  public:
+    void regStats() override;
+    void resetStats() override;
+
+/**
+ * Serialization stuff
+ */
+  public:
+    void serialize(CheckpointOut &cp) const override;
+    void unserialize(CheckpointIn &cp) override;
+
+  public:
+    Device(const Params *p);
+    ~Device();
+};
+
+/*
+ * Ethernet Interface for an Ethernet Device
+ */
+class Interface : public EtherInt
+{
+  private:
+    Device *dev;
+
+  public:
+    Interface(const std::string &name, Device *d)
+        : EtherInt(name), dev(d)
+    { }
+
+    virtual bool recvPacket(EthPacketPtr pkt) { return dev->recvPacket(pkt); }
+    virtual void sendDone() { dev->transferDone(); }
+};
+
+} // namespace Sinic
+
+#endif // __DEV_NET_SINIC_HH__