Use PacketPtr everywhere

--HG--
extra : convert_revision : d9eb83ab77ffd2d725961f295b1733137e187711

48 files changed, 264 insertions, 264 deletions

diff --git a/src/mem/bridge.cc b/src/mem/bridge.cc
index b181dd583..38dcfd2e8 100644
--- a/src/mem/bridge.cc
+++ b/src/mem/bridge.cc
@@ -89,7 +89,7 @@ Bridge::init()
 /** Function called by the port when the bus is receiving a Timing
  * transaction.*/
 bool
-Bridge::BridgePort::recvTiming(Packet *pkt)
+Bridge::BridgePort::recvTiming(PacketPtr pkt)
 {
     DPRINTF(BusBridge, "recvTiming: src %d dest %d addr 0x%x\n",
             pkt->getSrc(), pkt->getDest(), pkt->getAddr());
@@ -99,7 +99,7 @@ Bridge::BridgePort::recvTiming(Packet *pkt)
 
 
 bool
-Bridge::BridgePort::queueForSendTiming(Packet *pkt)
+Bridge::BridgePort::queueForSendTiming(PacketPtr pkt)
 {
     if (queueFull())
         return false;
@@ -148,7 +148,7 @@ Bridge::BridgePort::trySend()
 
     assert(buf->ready <= curTick);
 
-    Packet *pkt = buf->pkt;
+    PacketPtr pkt = buf->pkt;
 
     DPRINTF(BusBridge, "trySend: origSrc %d dest %d addr 0x%x\n",
             buf->origSrc, pkt->getDest(), pkt->getAddr());
@@ -198,7 +198,7 @@ Bridge::BridgePort::recvRetry()
 /** Function called by the port when the bus is receiving a Atomic
  * transaction.*/
 Tick
-Bridge::BridgePort::recvAtomic(Packet *pkt)
+Bridge::BridgePort::recvAtomic(PacketPtr pkt)
 {
     return otherPort->sendAtomic(pkt) + delay;
 }
@@ -206,7 +206,7 @@ Bridge::BridgePort::recvAtomic(Packet *pkt)
 /** Function called by the port when the bus is receiving a Functional
  * transaction.*/
 void
-Bridge::BridgePort::recvFunctional(Packet *pkt)
+Bridge::BridgePort::recvFunctional(PacketPtr pkt)
 {
     std::list<PacketBuffer*>::iterator i;
     bool pktContinue = true;
diff --git a/src/mem/bridge.hh b/src/mem/bridge.hh
index 2ab9799c7..f7d0d12d0 100644
--- a/src/mem/bridge.hh
+++ b/src/mem/bridge.hh
@@ -70,12 +70,12 @@ class Bridge : public MemObject
 
           public:
             Tick ready;
-            Packet *pkt;
+            PacketPtr pkt;
             Packet::SenderState *origSenderState;
             short origSrc;
             bool expectResponse;
 
-            PacketBuffer(Packet *_pkt, Tick t)
+            PacketBuffer(PacketPtr _pkt, Tick t)
                 : ready(t), pkt(_pkt),
                   origSenderState(_pkt->senderState), origSrc(_pkt->getSrc()),
                   expectResponse(_pkt->needsResponse())
@@ -84,7 +84,7 @@ class Bridge : public MemObject
                     pkt->senderState = this;
             }
 
-            void fixResponse(Packet *pkt)
+            void fixResponse(PacketPtr pkt)
             {
                 assert(pkt->senderState == this);
                 pkt->setDest(origSrc);
@@ -109,7 +109,7 @@ class Bridge : public MemObject
          */
         bool queueFull() { return (sendQueue.size() == queueLimit); }
 
-        bool queueForSendTiming(Packet *pkt);
+        bool queueForSendTiming(PacketPtr pkt);
 
         void finishSend(PacketBuffer *buf);
 
@@ -146,7 +146,7 @@ class Bridge : public MemObject
 
         /** When receiving a timing request from the peer port,
             pass it to the bridge. */
-        virtual bool recvTiming(Packet *pkt);
+        virtual bool recvTiming(PacketPtr pkt);
 
         /** When receiving a retry request from the peer port,
             pass it to the bridge. */
@@ -154,11 +154,11 @@ class Bridge : public MemObject
 
         /** When receiving a Atomic requestfrom the peer port,
             pass it to the bridge. */
-        virtual Tick recvAtomic(Packet *pkt);
+        virtual Tick recvAtomic(PacketPtr pkt);
 
         /** When receiving a Functional request from the peer port,
             pass it to the bridge. */
-        virtual void recvFunctional(Packet *pkt);
+        virtual void recvFunctional(PacketPtr pkt);
 
         /** When receiving a status changefrom the peer port,
             pass it to the bridge. */
diff --git a/src/mem/bus.cc b/src/mem/bus.cc
index b3cc6099c..86a148f87 100644
--- a/src/mem/bus.cc
+++ b/src/mem/bus.cc
@@ -138,7 +138,7 @@ void Bus::occupyBus(PacketPtr pkt)
 /** Function called by the port when the bus is receiving a Timing
  * transaction.*/
 bool
-Bus::recvTiming(Packet *pkt)
+Bus::recvTiming(PacketPtr pkt)
 {
     Port *port;
     DPRINTF(Bus, "recvTiming: packet src %d dest %d addr 0x%x cmd %s\n",
@@ -301,7 +301,7 @@ Bus::findSnoopPorts(Addr addr, int id)
 }
 
 Tick
-Bus::atomicSnoop(Packet *pkt)
+Bus::atomicSnoop(PacketPtr pkt)
 {
     std::vector<int> ports = findSnoopPorts(pkt->getAddr(), pkt->getSrc());
     Tick response_time = 0;
@@ -319,7 +319,7 @@ Bus::atomicSnoop(Packet *pkt)
 }
 
 void
-Bus::functionalSnoop(Packet *pkt)
+Bus::functionalSnoop(PacketPtr pkt)
 {
     std::vector<int> ports = findSnoopPorts(pkt->getAddr(), pkt->getSrc());
 
@@ -331,7 +331,7 @@ Bus::functionalSnoop(Packet *pkt)
 }
 
 bool
-Bus::timingSnoop(Packet *pkt)
+Bus::timingSnoop(PacketPtr pkt)
 {
     std::vector<int> ports = findSnoopPorts(pkt->getAddr(), pkt->getSrc());
     bool success = true;
@@ -349,7 +349,7 @@ Bus::timingSnoop(Packet *pkt)
 /** Function called by the port when the bus is receiving a Atomic
  * transaction.*/
 Tick
-Bus::recvAtomic(Packet *pkt)
+Bus::recvAtomic(PacketPtr pkt)
 {
     DPRINTF(Bus, "recvAtomic: packet src %d dest %d addr 0x%x cmd %s\n",
             pkt->getSrc(), pkt->getDest(), pkt->getAddr(), pkt->cmdString());
@@ -364,7 +364,7 @@ Bus::recvAtomic(Packet *pkt)
 /** Function called by the port when the bus is receiving a Functional
  * transaction.*/
 void
-Bus::recvFunctional(Packet *pkt)
+Bus::recvFunctional(PacketPtr pkt)
 {
     DPRINTF(Bus, "recvFunctional: packet src %d dest %d addr 0x%x cmd %s\n",
             pkt->getSrc(), pkt->getDest(), pkt->getAddr(), pkt->cmdString());
diff --git a/src/mem/bus.hh b/src/mem/bus.hh
index 509b8cf9b..9fb33b7c3 100644
--- a/src/mem/bus.hh
+++ b/src/mem/bus.hh
@@ -71,15 +71,15 @@ class Bus : public MemObject
 
     /** Function called by the port when the bus is recieving a Timing
       transaction.*/
-    bool recvTiming(Packet *pkt);
+    bool recvTiming(PacketPtr pkt);
 
     /** Function called by the port when the bus is recieving a Atomic
       transaction.*/
-    Tick recvAtomic(Packet *pkt);
+    Tick recvAtomic(PacketPtr pkt);
 
     /** Function called by the port when the bus is recieving a Functional
         transaction.*/
-    void recvFunctional(Packet *pkt);
+    void recvFunctional(PacketPtr pkt);
 
     /** Timing function called by port when it is once again able to process
      * requests. */
@@ -107,16 +107,16 @@ class Bus : public MemObject
     std::vector<int> findSnoopPorts(Addr addr, int id);
 
     /** Snoop all relevant ports atomicly. */
-    Tick atomicSnoop(Packet *pkt);
+    Tick atomicSnoop(PacketPtr pkt);
 
     /** Snoop all relevant ports functionally. */
-    void functionalSnoop(Packet *pkt);
+    void functionalSnoop(PacketPtr pkt);
 
     /** Call snoop on caches, be sure to set SNOOP_COMMIT bit if you want
      * the snoop to happen
      * @return True if succeds.
      */
-    bool timingSnoop(Packet *pkt);
+    bool timingSnoop(PacketPtr pkt);
 
     /** Process address range request.
      * @param resp addresses that we can respond to
@@ -157,17 +157,17 @@ class Bus : public MemObject
 
         /** When reciving a timing request from the peer port (at id),
             pass it to the bus. */
-        virtual bool recvTiming(Packet *pkt)
+        virtual bool recvTiming(PacketPtr pkt)
         { pkt->setSrc(id); return bus->recvTiming(pkt); }
 
         /** When reciving a Atomic requestfrom the peer port (at id),
             pass it to the bus. */
-        virtual Tick recvAtomic(Packet *pkt)
+        virtual Tick recvAtomic(PacketPtr pkt)
         { pkt->setSrc(id); return bus->recvAtomic(pkt); }
 
         /** When reciving a Functional requestfrom the peer port (at id),
             pass it to the bus. */
-        virtual void recvFunctional(Packet *pkt)
+        virtual void recvFunctional(PacketPtr pkt)
         { pkt->setSrc(id); bus->recvFunctional(pkt); }
 
         /** When reciving a status changefrom the peer port (at id),
diff --git a/src/mem/cache/base_cache.cc b/src/mem/cache/base_cache.cc
index 7a8776522..6cbeef5a4 100644
--- a/src/mem/cache/base_cache.cc
+++ b/src/mem/cache/base_cache.cc
@@ -71,7 +71,7 @@ BaseCache::CachePort::deviceBlockSize()
 }
 
 bool
-BaseCache::CachePort::recvTiming(Packet *pkt)
+BaseCache::CachePort::recvTiming(PacketPtr pkt)
 {
     if (isCpuSide
         && !pkt->req->isUncacheable()
@@ -99,19 +99,19 @@ BaseCache::CachePort::recvTiming(Packet *pkt)
 }
 
 Tick
-BaseCache::CachePort::recvAtomic(Packet *pkt)
+BaseCache::CachePort::recvAtomic(PacketPtr pkt)
 {
     return cache->doAtomicAccess(pkt, isCpuSide);
 }
 
 void
-BaseCache::CachePort::recvFunctional(Packet *pkt)
+BaseCache::CachePort::recvFunctional(PacketPtr pkt)
 {
     //Check storage here first
-    list<Packet *>::iterator i = drainList.begin();
-    list<Packet *>::iterator end = drainList.end();
+    list<PacketPtr>::iterator i = drainList.begin();
+    list<PacketPtr>::iterator end = drainList.end();
     for (; i != end; ++i) {
-        Packet * target = *i;
+        PacketPtr target = *i;
         // If the target contains data, and it overlaps the
         // probed request, need to update data
         if (target->intersect(pkt)) {
@@ -149,7 +149,7 @@ BaseCache::CachePort::recvFunctional(Packet *pkt)
 void
 BaseCache::CachePort::recvRetry()
 {
-    Packet *pkt;
+    PacketPtr pkt;
     assert(waitingOnRetry);
     if (!drainList.empty()) {
         DPRINTF(CachePort, "%s attempting to send a retry for response\n", name());
@@ -181,7 +181,7 @@ BaseCache::CachePort::recvRetry()
         pkt = cache->getPacket();
         MSHR* mshr = (MSHR*) pkt->senderState;
         //Copy the packet, it may be modified/destroyed elsewhere
-        Packet * copyPkt = new Packet(*pkt);
+        PacketPtr copyPkt = new Packet(*pkt);
         copyPkt->dataStatic<uint8_t>(pkt->getPtr<uint8_t>());
         mshr->pkt = copyPkt;
 
@@ -257,7 +257,7 @@ BaseCache::CacheEvent::CacheEvent(CachePort *_cachePort)
     pkt = NULL;
 }
 
-BaseCache::CacheEvent::CacheEvent(CachePort *_cachePort, Packet *_pkt)
+BaseCache::CacheEvent::CacheEvent(CachePort *_cachePort, PacketPtr _pkt)
     : Event(&mainEventQueue, CPU_Tick_Pri), cachePort(_cachePort), pkt(_pkt)
 {
     this->setFlags(AutoDelete);
@@ -301,7 +301,7 @@ BaseCache::CacheEvent::process()
             pkt = cachePort->cache->getPacket();
             MSHR* mshr = (MSHR*) pkt->senderState;
             //Copy the packet, it may be modified/destroyed elsewhere
-            Packet * copyPkt = new Packet(*pkt);
+            PacketPtr copyPkt = new Packet(*pkt);
             copyPkt->dataStatic<uint8_t>(pkt->getPtr<uint8_t>());
             mshr->pkt = copyPkt;
 
diff --git a/src/mem/cache/base_cache.hh b/src/mem/cache/base_cache.hh
index 60d7029ac..565280aef 100644
--- a/src/mem/cache/base_cache.hh
+++ b/src/mem/cache/base_cache.hh
@@ -85,11 +85,11 @@ class BaseCache : public MemObject
         CachePort(const std::string &_name, BaseCache *_cache, bool _isCpuSide);
 
       protected:
-        virtual bool recvTiming(Packet *pkt);
+        virtual bool recvTiming(PacketPtr pkt);
 
-        virtual Tick recvAtomic(Packet *pkt);
+        virtual Tick recvAtomic(PacketPtr pkt);
 
-        virtual void recvFunctional(Packet *pkt);
+        virtual void recvFunctional(PacketPtr pkt);
 
         virtual void recvStatusChange(Status status);
 
@@ -113,17 +113,17 @@ class BaseCache : public MemObject
 
         bool waitingOnRetry;
 
-        std::list<Packet *> drainList;
+        std::list<PacketPtr> drainList;
 
     };
 
     struct CacheEvent : public Event
     {
         CachePort *cachePort;
-        Packet *pkt;
+        PacketPtr pkt;
 
         CacheEvent(CachePort *_cachePort);
-        CacheEvent(CachePort *_cachePort, Packet *_pkt);
+        CacheEvent(CachePort *_cachePort, PacketPtr _pkt);
         void process();
         const char *description();
     };
@@ -141,17 +141,17 @@ class BaseCache : public MemObject
 
   private:
     //To be defined in cache_impl.hh not in base class
-    virtual bool doTimingAccess(Packet *pkt, CachePort *cachePort, bool isCpuSide)
+    virtual bool doTimingAccess(PacketPtr pkt, CachePort *cachePort, bool isCpuSide)
     {
         fatal("No implementation");
     }
 
-    virtual Tick doAtomicAccess(Packet *pkt, bool isCpuSide)
+    virtual Tick doAtomicAccess(PacketPtr pkt, bool isCpuSide)
     {
         fatal("No implementation");
     }
 
-    virtual void doFunctionalAccess(Packet *pkt, bool isCpuSide)
+    virtual void doFunctionalAccess(PacketPtr pkt, bool isCpuSide)
     {
         fatal("No implementation");
     }
@@ -172,23 +172,23 @@ class BaseCache : public MemObject
         }
     }
 
-    virtual Packet *getPacket()
+    virtual PacketPtr getPacket()
     {
         fatal("No implementation");
     }
 
-    virtual Packet *getCoherencePacket()
+    virtual PacketPtr getCoherencePacket()
     {
         fatal("No implementation");
     }
 
-    virtual void sendResult(Packet* &pkt, MSHR* mshr, bool success)
+    virtual void sendResult(PacketPtr &pkt, MSHR* mshr, bool success)
     {
 
         fatal("No implementation");
     }
 
-    virtual void sendCoherenceResult(Packet* &pkt, MSHR* mshr, bool success)
+    virtual void sendCoherenceResult(PacketPtr &pkt, MSHR* mshr, bool success)
     {
 
         fatal("No implementation");
@@ -519,7 +519,7 @@ class BaseCache : public MemObject
      * @param pkt The request being responded to.
      * @param time The time the response is ready.
      */
-    void respond(Packet *pkt, Tick time)
+    void respond(PacketPtr pkt, Tick time)
     {
         if (pkt->needsResponse()) {
             CacheEvent *reqCpu = new CacheEvent(cpuSidePort, pkt);
@@ -539,7 +539,7 @@ class BaseCache : public MemObject
      * @param pkt The request to respond to.
      * @param time The time the response is ready.
      */
-    void respondToMiss(Packet *pkt, Tick time)
+    void respondToMiss(PacketPtr pkt, Tick time)
     {
         if (!pkt->req->isUncacheable()) {
             missLatency[pkt->cmdToIndex()][0/*pkt->req->getThreadNum()*/] += time - pkt->time;
@@ -561,7 +561,7 @@ class BaseCache : public MemObject
      * Suppliess the data if cache to cache transfers are enabled.
      * @param pkt The bus transaction to fulfill.
      */
-    void respondToSnoop(Packet *pkt, Tick time)
+    void respondToSnoop(PacketPtr pkt, Tick time)
     {
         assert (pkt->needsResponse());
         CacheEvent *reqMem = new CacheEvent(memSidePort, pkt);
diff --git a/src/mem/cache/cache.hh b/src/mem/cache/cache.hh
index 07d9d6336..1f3b087bb 100644
--- a/src/mem/cache/cache.hh
+++ b/src/mem/cache/cache.hh
@@ -96,7 +96,7 @@ class Cache : public BaseCache
       * A permanent mem req to always be used to cause invalidations.
       * Used to append to target list, to cause an invalidation.
       */
-    Packet * invalidatePkt;
+    PacketPtr invalidatePkt;
     Request *invalidateReq;
 
   public:
@@ -127,12 +127,12 @@ class Cache : public BaseCache
     /** Instantiates a basic cache object. */
     Cache(const std::string &_name, Params &params);
 
-    virtual bool doTimingAccess(Packet *pkt, CachePort *cachePort,
+    virtual bool doTimingAccess(PacketPtr pkt, CachePort *cachePort,
                         bool isCpuSide);
 
-    virtual Tick doAtomicAccess(Packet *pkt, bool isCpuSide);
+    virtual Tick doAtomicAccess(PacketPtr pkt, bool isCpuSide);
 
-    virtual void doFunctionalAccess(Packet *pkt, bool isCpuSide);
+    virtual void doFunctionalAccess(PacketPtr pkt, bool isCpuSide);
 
     virtual void recvStatusChange(Port::Status status, bool isCpuSide);
 
@@ -143,47 +143,47 @@ class Cache : public BaseCache
      * @param pkt The request to perform.
      * @return The result of the access.
      */
-    bool access(Packet * &pkt);
+    bool access(PacketPtr &pkt);
 
     /**
      * Selects a request to send on the bus.
      * @return The memory request to service.
      */
-    virtual Packet * getPacket();
+    virtual PacketPtr getPacket();
 
     /**
      * Was the request was sent successfully?
      * @param pkt The request.
      * @param success True if the request was sent successfully.
      */
-    virtual void sendResult(Packet * &pkt, MSHR* mshr, bool success);
+    virtual void sendResult(PacketPtr &pkt, MSHR* mshr, bool success);
 
     /**
      * Was the CSHR request was sent successfully?
      * @param pkt The request.
      * @param success True if the request was sent successfully.
      */
-    virtual void sendCoherenceResult(Packet * &pkt, MSHR* cshr, bool success);
+    virtual void sendCoherenceResult(PacketPtr &pkt, MSHR* cshr, bool success);
 
     /**
      * Handles a response (cache line fill/write ack) from the bus.
      * @param pkt The request being responded to.
      */
-    void handleResponse(Packet * &pkt);
+    void handleResponse(PacketPtr &pkt);
 
     /**
      * Selects a coherence message to forward to lower levels of the hierarchy.
      * @return The coherence message to forward.
      */
-    virtual Packet * getCoherencePacket();
+    virtual PacketPtr getCoherencePacket();
 
     /**
      * Snoops bus transactions to maintain coherence.
      * @param pkt The current bus transaction.
      */
-    void snoop(Packet * &pkt);
+    void snoop(PacketPtr &pkt);
 
-    void snoopResponse(Packet * &pkt);
+    void snoopResponse(PacketPtr &pkt);
 
     /**
      * Invalidates the block containing address if found.
@@ -224,7 +224,7 @@ class Cache : public BaseCache
      * request.
      * @return The estimated completion time.
      */
-    Tick probe(Packet * &pkt, bool update, CachePort * otherSidePort);
+    Tick probe(PacketPtr &pkt, bool update, CachePort * otherSidePort);
 
     /**
      * Snoop for the provided request in the cache and return the estimated
@@ -235,7 +235,7 @@ class Cache : public BaseCache
      * request.
      * @return The estimated completion time.
      */
-    Tick snoopProbe(Packet * &pkt);
+    Tick snoopProbe(PacketPtr &pkt);
 };
 
 #endif // __CACHE_HH__
diff --git a/src/mem/cache/cache_impl.hh b/src/mem/cache/cache_impl.hh
index ea30dbba6..dcb0e7b78 100644
--- a/src/mem/cache/cache_impl.hh
+++ b/src/mem/cache/cache_impl.hh
@@ -56,7 +56,7 @@
 template<class TagStore, class Buffering, class Coherence>
 bool
 Cache<TagStore,Buffering,Coherence>::
-doTimingAccess(Packet *pkt, CachePort *cachePort, bool isCpuSide)
+doTimingAccess(PacketPtr pkt, CachePort *cachePort, bool isCpuSide)
 {
     if (isCpuSide)
     {
@@ -82,7 +82,7 @@ doTimingAccess(Packet *pkt, CachePort *cachePort, bool isCpuSide)
 template<class TagStore, class Buffering, class Coherence>
 Tick
 Cache<TagStore,Buffering,Coherence>::
-doAtomicAccess(Packet *pkt, bool isCpuSide)
+doAtomicAccess(PacketPtr pkt, bool isCpuSide)
 {
     if (isCpuSide)
     {
@@ -104,7 +104,7 @@ doAtomicAccess(Packet *pkt, bool isCpuSide)
 template<class TagStore, class Buffering, class Coherence>
 void
 Cache<TagStore,Buffering,Coherence>::
-doFunctionalAccess(Packet *pkt, bool isCpuSide)
+doFunctionalAccess(PacketPtr pkt, bool isCpuSide)
 {
     if (isCpuSide)
     {
@@ -238,11 +238,11 @@ Cache<TagStore,Buffering,Coherence>::access(PacketPtr &pkt)
 
 
 template<class TagStore, class Buffering, class Coherence>
-Packet *
+PacketPtr
 Cache<TagStore,Buffering,Coherence>::getPacket()
 {
     assert(missQueue->havePending());
-    Packet * pkt = missQueue->getPacket();
+    PacketPtr pkt = missQueue->getPacket();
     if (pkt) {
         if (!pkt->req->isUncacheable()) {
             if (pkt->cmd == Packet::HardPFReq)
@@ -306,7 +306,7 @@ Cache<TagStore,Buffering,Coherence>::sendResult(PacketPtr &pkt, MSHR* mshr,
 
 template<class TagStore, class Buffering, class Coherence>
 void
-Cache<TagStore,Buffering,Coherence>::handleResponse(Packet * &pkt)
+Cache<TagStore,Buffering,Coherence>::handleResponse(PacketPtr &pkt)
 {
     BlkType *blk = NULL;
     if (pkt->senderState) {
@@ -348,7 +348,7 @@ Cache<TagStore,Buffering,Coherence>::handleResponse(Packet * &pkt)
 }
 
 template<class TagStore, class Buffering, class Coherence>
-Packet *
+PacketPtr
 Cache<TagStore,Buffering,Coherence>::getCoherencePacket()
 {
     return coherence->getPacket();
@@ -356,7 +356,7 @@ Cache<TagStore,Buffering,Coherence>::getCoherencePacket()
 
 template<class TagStore, class Buffering, class Coherence>
 void
-Cache<TagStore,Buffering,Coherence>::sendCoherenceResult(Packet* &pkt,
+Cache<TagStore,Buffering,Coherence>::sendCoherenceResult(PacketPtr &pkt,
                                                          MSHR *cshr,
                                                          bool success)
 {
@@ -366,7 +366,7 @@ Cache<TagStore,Buffering,Coherence>::sendCoherenceResult(Packet* &pkt,
 
 template<class TagStore, class Buffering, class Coherence>
 void
-Cache<TagStore,Buffering,Coherence>::snoop(Packet * &pkt)
+Cache<TagStore,Buffering,Coherence>::snoop(PacketPtr &pkt)
 {
     if (pkt->req->isUncacheable()) {
         //Can't get a hit on an uncacheable address
@@ -485,7 +485,7 @@ Cache<TagStore,Buffering,Coherence>::snoop(Packet * &pkt)
 
 template<class TagStore, class Buffering, class Coherence>
 void
-Cache<TagStore,Buffering,Coherence>::snoopResponse(Packet * &pkt)
+Cache<TagStore,Buffering,Coherence>::snoopResponse(PacketPtr &pkt)
 {
     //Need to handle the response, if NACKED
     if (pkt->flags & NACKED_LINE) {
@@ -515,7 +515,7 @@ Cache<TagStore,Buffering,Coherence>::invalidateBlk(Addr addr)
  */
 template<class TagStore, class Buffering, class Coherence>
 Tick
-Cache<TagStore,Buffering,Coherence>::probe(Packet * &pkt, bool update,
+Cache<TagStore,Buffering,Coherence>::probe(PacketPtr &pkt, bool update,
                                            CachePort* otherSidePort)
 {
 //    MemDebug::cacheProbe(pkt);
@@ -565,7 +565,7 @@ Cache<TagStore,Buffering,Coherence>::probe(Packet * &pkt, bool update,
             MSHR::TargetList::iterator i = targets->begin();
             MSHR::TargetList::iterator end = targets->end();
             for (; i != end; ++i) {
-                Packet * target = *i;
+                PacketPtr target = *i;
                 // If the target contains data, and it overlaps the
                 // probed request, need to update data
                 if (target->isWrite() && target->intersect(pkt)) {
@@ -601,7 +601,7 @@ Cache<TagStore,Buffering,Coherence>::probe(Packet * &pkt, bool update,
             }
         }
         for (int i = 0; i < writes.size(); ++i) {
-            Packet * write = writes[i]->pkt;
+            PacketPtr write = writes[i]->pkt;
             if (write->intersect(pkt)) {
                 warn("Found outstanding write on an non-update probe");
                 uint8_t* pkt_data;
@@ -654,7 +654,7 @@ Cache<TagStore,Buffering,Coherence>::probe(Packet * &pkt, bool update,
             Packet::Command temp_cmd = coherence->getBusCmd(pkt->cmd,
                                                             (blk)? blk->status : 0);
 
-            Packet * busPkt = new Packet(pkt->req,temp_cmd, -1, blkSize);
+            PacketPtr busPkt = new Packet(pkt->req,temp_cmd, -1, blkSize);
 
             busPkt->allocate();
 
@@ -700,7 +700,7 @@ return 0;
 
             // Handle writebacks if needed
             while (!writebacks.empty()){
-                Packet *wbPkt = writebacks.front();
+                PacketPtr wbPkt = writebacks.front();
                 memSidePort->sendAtomic(wbPkt);
                 writebacks.pop_front();
                 delete wbPkt;
diff --git a/src/mem/cache/coherence/coherence_protocol.cc b/src/mem/cache/coherence/coherence_protocol.cc
index e28dda3dc..52beb0880 100644
--- a/src/mem/cache/coherence/coherence_protocol.cc
+++ b/src/mem/cache/coherence/coherence_protocol.cc
@@ -192,7 +192,7 @@ CoherenceProtocol::regStats()
 
 
 bool
-CoherenceProtocol::invalidateTrans(BaseCache *cache, Packet * &pkt,
+CoherenceProtocol::invalidateTrans(BaseCache *cache, PacketPtr &pkt,
                                    CacheBlk *blk, MSHR *mshr,
                                    CacheBlk::State & new_state)
 {
@@ -203,7 +203,7 @@ CoherenceProtocol::invalidateTrans(BaseCache *cache, Packet * &pkt,
 
 
 bool
-CoherenceProtocol::supplyTrans(BaseCache *cache, Packet * &pkt,
+CoherenceProtocol::supplyTrans(BaseCache *cache, PacketPtr &pkt,
                                CacheBlk *blk,
                                MSHR *mshr,
                                CacheBlk::State & new_state
@@ -214,7 +214,7 @@ CoherenceProtocol::supplyTrans(BaseCache *cache, Packet * &pkt,
 
 
 bool
-CoherenceProtocol::supplyAndGotoSharedTrans(BaseCache *cache, Packet * &pkt,
+CoherenceProtocol::supplyAndGotoSharedTrans(BaseCache *cache, PacketPtr &pkt,
                                             CacheBlk *blk,
                                             MSHR *mshr,
                                             CacheBlk::State & new_state)
@@ -226,7 +226,7 @@ CoherenceProtocol::supplyAndGotoSharedTrans(BaseCache *cache, Packet * &pkt,
 
 
 bool
-CoherenceProtocol::supplyAndGotoOwnedTrans(BaseCache *cache, Packet * &pkt,
+CoherenceProtocol::supplyAndGotoOwnedTrans(BaseCache *cache, PacketPtr &pkt,
                                            CacheBlk *blk,
                                            MSHR *mshr,
                                            CacheBlk::State & new_state)
@@ -238,7 +238,7 @@ CoherenceProtocol::supplyAndGotoOwnedTrans(BaseCache *cache, Packet * &pkt,
 
 
 bool
-CoherenceProtocol::supplyAndInvalidateTrans(BaseCache *cache, Packet * &pkt,
+CoherenceProtocol::supplyAndInvalidateTrans(BaseCache *cache, PacketPtr &pkt,
                                             CacheBlk *blk,
                                             MSHR *mshr,
                                             CacheBlk::State & new_state)
@@ -248,7 +248,7 @@ CoherenceProtocol::supplyAndInvalidateTrans(BaseCache *cache, Packet * &pkt,
 }
 
 bool
-CoherenceProtocol::assertShared(BaseCache *cache, Packet * &pkt,
+CoherenceProtocol::assertShared(BaseCache *cache, PacketPtr &pkt,
                                             CacheBlk *blk,
                                             MSHR *mshr,
                                             CacheBlk::State & new_state)
@@ -463,7 +463,7 @@ CoherenceProtocol::getBusCmd(Packet::Command cmdIn, CacheBlk::State state,
 
 
 CacheBlk::State
-CoherenceProtocol::getNewState(Packet * &pkt, CacheBlk::State oldState)
+CoherenceProtocol::getNewState(PacketPtr &pkt, CacheBlk::State oldState)
 {
     CacheBlk::State state = oldState & stateMask;
     int cmd_idx = pkt->cmdToIndex();
@@ -488,7 +488,7 @@ CoherenceProtocol::getNewState(Packet * &pkt, CacheBlk::State oldState)
 
 
 bool
-CoherenceProtocol::handleBusRequest(BaseCache *cache, Packet * &pkt,
+CoherenceProtocol::handleBusRequest(BaseCache *cache, PacketPtr &pkt,
                                     CacheBlk *blk,
                                     MSHR *mshr,
                                     CacheBlk::State & new_state)
@@ -518,7 +518,7 @@ CoherenceProtocol::handleBusRequest(BaseCache *cache, Packet * &pkt,
 }
 
 bool
-CoherenceProtocol::nullTransition(BaseCache *cache, Packet * &pkt,
+CoherenceProtocol::nullTransition(BaseCache *cache, PacketPtr &pkt,
                                   CacheBlk *blk, MSHR *mshr,
                                   CacheBlk::State & new_state)
 {
@@ -530,7 +530,7 @@ CoherenceProtocol::nullTransition(BaseCache *cache, Packet * &pkt,
 
 
 bool
-CoherenceProtocol::invalidTransition(BaseCache *cache, Packet * &pkt,
+CoherenceProtocol::invalidTransition(BaseCache *cache, PacketPtr &pkt,
                                      CacheBlk *blk, MSHR *mshr,
                                      CacheBlk::State & new_state)
 {
diff --git a/src/mem/cache/coherence/coherence_protocol.hh b/src/mem/cache/coherence/coherence_protocol.hh
index b5d7d80aa..b30fb053b 100644
--- a/src/mem/cache/coherence/coherence_protocol.hh
+++ b/src/mem/cache/coherence/coherence_protocol.hh
@@ -89,7 +89,7 @@ class CoherenceProtocol : public SimObject
      * @param oldState The current block state.
      * @return The new state.
      */
-    CacheBlk::State getNewState(Packet * &pkt,
+    CacheBlk::State getNewState(PacketPtr &pkt,
                                 CacheBlk::State oldState);
 
     /**
@@ -101,12 +101,12 @@ class CoherenceProtocol : public SimObject
      * @param new_state The new coherence state of the block.
      * @return True if the request should be satisfied locally.
      */
-    bool handleBusRequest(BaseCache *cache, Packet * &pkt, CacheBlk *blk,
+    bool handleBusRequest(BaseCache *cache, PacketPtr &pkt, CacheBlk *blk,
                           MSHR *mshr, CacheBlk::State &new_state);
 
   protected:
     /** Snoop function type. */
-    typedef bool (*SnoopFuncType)(BaseCache *, Packet *&, CacheBlk *,
+    typedef bool (*SnoopFuncType)(BaseCache *, PacketPtr &, CacheBlk *,
                                   MSHR *, CacheBlk::State&);
 
     //
@@ -116,49 +116,49 @@ class CoherenceProtocol : public SimObject
     /**
      * Do nothing transition.
      */
-    static bool nullTransition(BaseCache *, Packet *&, CacheBlk *,
+    static bool nullTransition(BaseCache *, PacketPtr &, CacheBlk *,
                                MSHR *, CacheBlk::State&);
 
     /**
      * Invalid transition, basically panic.
      */
-    static bool invalidTransition(BaseCache *, Packet *&, CacheBlk *,
+    static bool invalidTransition(BaseCache *, PacketPtr &, CacheBlk *,
                                   MSHR *, CacheBlk::State&);
 
     /**
      * Invalidate block, move to Invalid state.
      */
-    static bool invalidateTrans(BaseCache *, Packet *&, CacheBlk *,
+    static bool invalidateTrans(BaseCache *, PacketPtr &, CacheBlk *,
                                 MSHR *, CacheBlk::State&);
 
     /**
      * Supply data, no state transition.
      */
-    static bool supplyTrans(BaseCache *, Packet *&, CacheBlk *,
+    static bool supplyTrans(BaseCache *, PacketPtr &, CacheBlk *,
                             MSHR *, CacheBlk::State&);
 
     /**
      * Supply data and go to Shared state.
      */
-    static bool supplyAndGotoSharedTrans(BaseCache *, Packet *&, CacheBlk *,
+    static bool supplyAndGotoSharedTrans(BaseCache *, PacketPtr &, CacheBlk *,
                                          MSHR *, CacheBlk::State&);
 
     /**
      * Supply data and go to Owned state.
      */
-    static bool supplyAndGotoOwnedTrans(BaseCache *, Packet *&, CacheBlk *,
+    static bool supplyAndGotoOwnedTrans(BaseCache *, PacketPtr &, CacheBlk *,
                                         MSHR *, CacheBlk::State&);
 
     /**
      * Invalidate block, supply data, and go to Invalid state.
      */
-    static bool supplyAndInvalidateTrans(BaseCache *, Packet *&, CacheBlk *,
+    static bool supplyAndInvalidateTrans(BaseCache *, PacketPtr &, CacheBlk *,
                                          MSHR *, CacheBlk::State&);
 
     /**
      * Assert the shared line for a block that is shared/exclusive.
      */
-    static bool assertShared(BaseCache *, Packet *&, CacheBlk *,
+    static bool assertShared(BaseCache *, PacketPtr &, CacheBlk *,
                                          MSHR *, CacheBlk::State&);
 
     /**
diff --git a/src/mem/cache/coherence/simple_coherence.hh b/src/mem/cache/coherence/simple_coherence.hh
index 5a0127c01..5316e64b9 100644
--- a/src/mem/cache/coherence/simple_coherence.hh
+++ b/src/mem/cache/coherence/simple_coherence.hh
@@ -89,7 +89,7 @@ class SimpleCoherence
      * This policy does not forward invalidates, return NULL.
      * @return NULL.
      */
-    Packet * getPacket()
+    PacketPtr getPacket()
     {
         return NULL;
     }
@@ -99,7 +99,7 @@ class SimpleCoherence
      * @param pkt The request.
      * @param success True if the request was sent successfully.
      */
-    void sendResult(Packet * &pkt, MSHR* cshr, bool success)
+    void sendResult(PacketPtr &pkt, MSHR* cshr, bool success)
     {
         //Don't do coherence
         return;
@@ -112,7 +112,7 @@ class SimpleCoherence
      * @param current The current block state.
      * @return The new state.
      */
-    CacheBlk::State getNewState(Packet * &pkt, CacheBlk::State current)
+    CacheBlk::State getNewState(PacketPtr &pkt, CacheBlk::State current)
     {
         return protocol->getNewState(pkt, current);
     }
@@ -124,7 +124,7 @@ class SimpleCoherence
      * @param mshr The MSHR corresponding to the request, if any.
      * @param new_state Return the new state for the block.
      */
-    bool handleBusRequest(Packet * &pkt, CacheBlk *blk, MSHR *mshr,
+    bool handleBusRequest(PacketPtr &pkt, CacheBlk *blk, MSHR *mshr,
                           CacheBlk::State &new_state)
     {
 //	assert(mshr == NULL);
@@ -161,7 +161,7 @@ class SimpleCoherence
 
     bool hasProtocol() { return true; }
 
-    void propogateInvalidate(Packet *pkt, bool isTiming)
+    void propogateInvalidate(PacketPtr pkt, bool isTiming)
     {
         //For now we do nothing, asssumes simple coherence is top level of cache
         return;
diff --git a/src/mem/cache/coherence/uni_coherence.cc b/src/mem/cache/coherence/uni_coherence.cc
index 4ebb2664c..19230e35b 100644
--- a/src/mem/cache/coherence/uni_coherence.cc
+++ b/src/mem/cache/coherence/uni_coherence.cc
@@ -40,15 +40,15 @@ UniCoherence::UniCoherence()
 {
 }
 
-Packet *
+PacketPtr
 UniCoherence::getPacket()
 {
-    Packet* pkt = cshrs.getReq();
+    PacketPtr pkt = cshrs.getReq();
     return pkt;
 }
 
 void
-UniCoherence::sendResult(Packet * &pkt, MSHR* cshr, bool success)
+UniCoherence::sendResult(PacketPtr &pkt, MSHR* cshr, bool success)
 {
     if (success)
     {
@@ -71,7 +71,7 @@ UniCoherence::sendResult(Packet * &pkt, MSHR* cshr, bool success)
  * @todo add support for returning slave requests, not doing them here.
  */
 bool
-UniCoherence::handleBusRequest(Packet * &pkt, CacheBlk *blk, MSHR *mshr,
+UniCoherence::handleBusRequest(PacketPtr &pkt, CacheBlk *blk, MSHR *mshr,
                                CacheBlk::State &new_state)
 {
     new_state = 0;
@@ -86,19 +86,19 @@ UniCoherence::handleBusRequest(Packet * &pkt, CacheBlk *blk, MSHR *mshr,
 }
 
 void
-UniCoherence::propogateInvalidate(Packet *pkt, bool isTiming)
+UniCoherence::propogateInvalidate(PacketPtr pkt, bool isTiming)
 {
     if (pkt->isInvalidate()) {
         if (isTiming) {
             // Forward to other caches
-            Packet * tmp = new Packet(pkt->req, Packet::InvalidateReq, -1);
+            PacketPtr tmp = new Packet(pkt->req, Packet::InvalidateReq, -1);
             cshrs.allocate(tmp);
             cache->setSlaveRequest(Request_Coherence, curTick);
             if (cshrs.isFull())
                 cache->setBlockedForSnoop(Blocked_Coherence);
         }
         else {
-            Packet * tmp = new Packet(pkt->req, Packet::InvalidateReq, -1);
+            PacketPtr tmp = new Packet(pkt->req, Packet::InvalidateReq, -1);
             cache->cpuSidePort->sendAtomic(tmp);
             delete tmp;
         }
diff --git a/src/mem/cache/coherence/uni_coherence.hh b/src/mem/cache/coherence/uni_coherence.hh
index 4f69d52e2..44c752088 100644
--- a/src/mem/cache/coherence/uni_coherence.hh
+++ b/src/mem/cache/coherence/uni_coherence.hh
@@ -92,7 +92,7 @@ class UniCoherence
      * @param current The current block state.
      * @return The new state.
      */
-    CacheBlk::State getNewState(Packet * &pkt, CacheBlk::State current)
+    CacheBlk::State getNewState(PacketPtr &pkt, CacheBlk::State current)
     {
         if (pkt->senderState) //Blocking Buffers don't get mshrs
         {
@@ -113,14 +113,14 @@ class UniCoherence
      * Return outstanding invalidate to forward.
      * @return The next invalidate to forward to lower levels of cache.
      */
-    Packet * getPacket();
+    PacketPtr getPacket();
 
     /**
      * Was the CSHR request was sent successfully?
      * @param pkt The request.
      * @param success True if the request was sent successfully.
      */
-    void sendResult(Packet * &pkt, MSHR* cshr, bool success);
+    void sendResult(PacketPtr &pkt, MSHR* cshr, bool success);
 
     /**
      * Handle snooped bus requests.
@@ -130,7 +130,7 @@ class UniCoherence
      * @param new_state The new coherence state of the block.
      * @return True if the request should be satisfied locally.
      */
-    bool handleBusRequest(Packet * &pkt, CacheBlk *blk, MSHR *mshr,
+    bool handleBusRequest(PacketPtr &pkt, CacheBlk *blk, MSHR *mshr,
                           CacheBlk::State &new_state);
 
     /**
@@ -140,7 +140,7 @@ class UniCoherence
 
     bool hasProtocol() { return false; }
 
-    void propogateInvalidate(Packet *pkt, bool isTiming);
+    void propogateInvalidate(PacketPtr pkt, bool isTiming);
 };
 
 #endif //__UNI_COHERENCE_HH__
diff --git a/src/mem/cache/miss/blocking_buffer.cc b/src/mem/cache/miss/blocking_buffer.cc
index f7aacff89..bf741e547 100644
--- a/src/mem/cache/miss/blocking_buffer.cc
+++ b/src/mem/cache/miss/blocking_buffer.cc
@@ -68,7 +68,7 @@ BlockingBuffer::setPrefetcher(BasePrefetcher *_prefetcher)
     prefetcher = _prefetcher;
 }
 void
-BlockingBuffer::handleMiss(Packet * &pkt, int blk_size, Tick time)
+BlockingBuffer::handleMiss(PacketPtr &pkt, int blk_size, Tick time)
 {
     Addr blk_addr = pkt->getAddr() & ~(Addr)(blk_size - 1);
     if (pkt->isWrite() && (pkt->req->isUncacheable() || !writeAllocate ||
@@ -98,7 +98,7 @@ BlockingBuffer::handleMiss(Packet * &pkt, int blk_size, Tick time)
     cache->setMasterRequest(Request_MSHR, time);
 }
 
-Packet *
+PacketPtr
 BlockingBuffer::getPacket()
 {
     if (miss.pkt && !miss.inService) {
@@ -108,7 +108,7 @@ BlockingBuffer::getPacket()
 }
 
 void
-BlockingBuffer::setBusCmd(Packet * &pkt, Packet::Command cmd)
+BlockingBuffer::setBusCmd(PacketPtr &pkt, Packet::Command cmd)
 {
     MSHR *mshr = (MSHR*) pkt->senderState;
     mshr->originalCmd = pkt->cmd;
@@ -117,13 +117,13 @@ BlockingBuffer::setBusCmd(Packet * &pkt, Packet::Command cmd)
 }
 
 void
-BlockingBuffer::restoreOrigCmd(Packet * &pkt)
+BlockingBuffer::restoreOrigCmd(PacketPtr &pkt)
 {
     pkt->cmdOverride(((MSHR*)(pkt->senderState))->originalCmd);
 }
 
 void
-BlockingBuffer::markInService(Packet * &pkt, MSHR* mshr)
+BlockingBuffer::markInService(PacketPtr &pkt, MSHR* mshr)
 {
     if (!pkt->isCacheFill() && pkt->isWrite()) {
         // Forwarding a write/ writeback, don't need to change
@@ -152,7 +152,7 @@ BlockingBuffer::markInService(Packet * &pkt, MSHR* mshr)
 }
 
 void
-BlockingBuffer::handleResponse(Packet * &pkt, Tick time)
+BlockingBuffer::handleResponse(PacketPtr &pkt, Tick time)
 {
     if (pkt->isCacheFill()) {
         // targets were handled in the cache tags
@@ -163,7 +163,7 @@ BlockingBuffer::handleResponse(Packet * &pkt, Tick time)
         if (((MSHR*)(pkt->senderState))->hasTargets()) {
             // Should only have 1 target if we had any
             assert(((MSHR*)(pkt->senderState))->getNumTargets() == 1);
-            Packet * target = ((MSHR*)(pkt->senderState))->getTarget();
+            PacketPtr target = ((MSHR*)(pkt->senderState))->getTarget();
             ((MSHR*)(pkt->senderState))->popTarget();
             if (pkt->isRead()) {
                 memcpy(target->getPtr<uint8_t>(), pkt->getPtr<uint8_t>(), target->getSize());
@@ -187,7 +187,7 @@ void
 BlockingBuffer::squash(int threadNum)
 {
     if (miss.threadNum == threadNum) {
-        Packet * target = miss.getTarget();
+        PacketPtr target = miss.getTarget();
         miss.popTarget();
         assert(0/*target->req->getThreadNum()*/ == threadNum);
         target = NULL;
@@ -207,7 +207,7 @@ BlockingBuffer::doWriteback(Addr addr,
 {
     // Generate request
     Request * req = new Request(addr, size, 0);
-    Packet * pkt = new Packet(req, Packet::Writeback, -1);
+    PacketPtr pkt = new Packet(req, Packet::Writeback, -1);
     pkt->allocate();
     if (data) {
         memcpy(pkt->getPtr<uint8_t>(), data, size);
@@ -228,7 +228,7 @@ BlockingBuffer::doWriteback(Addr addr,
 
 
 void
-BlockingBuffer::doWriteback(Packet * &pkt)
+BlockingBuffer::doWriteback(PacketPtr &pkt)
 {
     writebacks[0/*pkt->req->getThreadNum()*/]++;
 
diff --git a/src/mem/cache/miss/blocking_buffer.hh b/src/mem/cache/miss/blocking_buffer.hh
index f7069696c..4408cfc4f 100644
--- a/src/mem/cache/miss/blocking_buffer.hh
+++ b/src/mem/cache/miss/blocking_buffer.hh
@@ -111,7 +111,7 @@ public:
      * @param blk_size The block size of the cache.
      * @param time The time the miss is detected.
      */
-    void handleMiss(Packet * &pkt, int blk_size, Tick time);
+    void handleMiss(PacketPtr &pkt, int blk_size, Tick time);
 
     /**
      * Fetch the block for the given address and buffer the given target.
@@ -122,7 +122,7 @@ public:
      * @param target The target for the fetch.
      */
     MSHR* fetchBlock(Addr addr, int blk_size, Tick time,
-                     Packet * &target)
+                     PacketPtr &target)
     {
         fatal("Unimplemented");
     }
@@ -131,20 +131,20 @@ public:
      * Selects a outstanding pktuest to service.
      * @return The pktuest to service, NULL if none found.
      */
-    Packet * getPacket();
+    PacketPtr getPacket();
 
     /**
      * Set the command to the given bus command.
      * @param pkt The request to update.
      * @param cmd The bus command to use.
      */
-    void setBusCmd(Packet * &pkt, Packet::Command cmd);
+    void setBusCmd(PacketPtr &pkt, Packet::Command cmd);
 
     /**
      * Restore the original command in case of a bus transmission error.
      * @param pkt The request to reset.
      */
-    void restoreOrigCmd(Packet * &pkt);
+    void restoreOrigCmd(PacketPtr &pkt);
 
     /**
      * Marks a pktuest as in service (sent on the bus). This can have side
@@ -152,14 +152,14 @@ public:
      * are successfully sent.
      * @param pkt The request that was sent on the bus.
      */
-    void markInService(Packet * &pkt, MSHR* mshr);
+    void markInService(PacketPtr &pkt, MSHR* mshr);
 
     /**
      * Frees the resources of the pktuest and unblock the cache.
      * @param pkt The request that has been satisfied.
      * @param time The time when the pktuest is satisfied.
      */
-    void handleResponse(Packet * &pkt, Tick time);
+    void handleResponse(PacketPtr &pkt, Tick time);
 
     /**
      * Removes all outstanding pktuests for a given thread number. If a request
@@ -223,7 +223,7 @@ public:
      * Perform a writeback pktuest.
      * @param pkt The writeback request.
      */
-    void doWriteback(Packet * &pkt);
+    void doWriteback(PacketPtr &pkt);
 
     /**
      * Returns true if there are outstanding pktuests.
@@ -239,7 +239,7 @@ public:
      * @param mshr The mshr to add a target to.
      * @param pkt The target to add.
      */
-    void addTarget(MSHR *mshr, Packet * &pkt)
+    void addTarget(MSHR *mshr, PacketPtr &pkt)
     {
         fatal("Shouldn't call this on a blocking buffer.");
     }
diff --git a/src/mem/cache/miss/miss_queue.cc b/src/mem/cache/miss/miss_queue.cc
index c23b542f5..fe467a8ea 100644
--- a/src/mem/cache/miss/miss_queue.cc
+++ b/src/mem/cache/miss/miss_queue.cc
@@ -350,7 +350,7 @@ MissQueue::setPrefetcher(BasePrefetcher *_prefetcher)
 }
 
 MSHR*
-MissQueue::allocateMiss(Packet * &pkt, int size, Tick time)
+MissQueue::allocateMiss(PacketPtr &pkt, int size, Tick time)
 {
     MSHR* mshr = mq.allocate(pkt, size);
     mshr->order = order++;
@@ -370,7 +370,7 @@ MissQueue::allocateMiss(Packet * &pkt, int size, Tick time)
 
 
 MSHR*
-MissQueue::allocateWrite(Packet * &pkt, int size, Tick time)
+MissQueue::allocateWrite(PacketPtr &pkt, int size, Tick time)
 {
     MSHR* mshr = wb.allocate(pkt,size);
     mshr->order = order++;
@@ -401,7 +401,7 @@ MissQueue::allocateWrite(Packet * &pkt, int size, Tick time)
  * @todo Remove SW prefetches on mshr hits.
  */
 void
-MissQueue::handleMiss(Packet * &pkt, int blkSize, Tick time)
+MissQueue::handleMiss(PacketPtr &pkt, int blkSize, Tick time)
 {
 //    if (!cache->isTopLevel())
     if (prefetchMiss) prefetcher->handleMiss(pkt, time);
@@ -455,7 +455,7 @@ MissQueue::handleMiss(Packet * &pkt, int blkSize, Tick time)
 
 MSHR*
 MissQueue::fetchBlock(Addr addr, int blk_size, Tick time,
-                      Packet * &target)
+                      PacketPtr &target)
 {
     Addr blkAddr = addr & ~(Addr)(blk_size - 1);
     assert(mq.findMatch(addr) == NULL);
@@ -469,10 +469,10 @@ MissQueue::fetchBlock(Addr addr, int blk_size, Tick time,
     return mshr;
 }
 
-Packet *
+PacketPtr
 MissQueue::getPacket()
 {
-    Packet * pkt = mq.getReq();
+    PacketPtr pkt = mq.getReq();
     if (((wb.isFull() && wb.inServiceMSHRs == 0) || !pkt ||
          pkt->time > curTick) && wb.havePending()) {
         pkt = wb.getReq();
@@ -510,7 +510,7 @@ MissQueue::getPacket()
 }
 
 void
-MissQueue::setBusCmd(Packet * &pkt, Packet::Command cmd)
+MissQueue::setBusCmd(PacketPtr &pkt, Packet::Command cmd)
 {
     assert(pkt->senderState != 0);
     MSHR * mshr = (MSHR*)pkt->senderState;
@@ -528,13 +528,13 @@ MissQueue::setBusCmd(Packet * &pkt, Packet::Command cmd)
 }
 
 void
-MissQueue::restoreOrigCmd(Packet * &pkt)
+MissQueue::restoreOrigCmd(PacketPtr &pkt)
 {
     pkt->cmd = ((MSHR*)(pkt->senderState))->originalCmd;
 }
 
 void
-MissQueue::markInService(Packet * &pkt, MSHR* mshr)
+MissQueue::markInService(PacketPtr &pkt, MSHR* mshr)
 {
     bool unblock = false;
     BlockedCause cause = NUM_BLOCKED_CAUSES;
@@ -583,7 +583,7 @@ MissQueue::markInService(Packet * &pkt, MSHR* mshr)
 
 
 void
-MissQueue::handleResponse(Packet * &pkt, Tick time)
+MissQueue::handleResponse(PacketPtr &pkt, Tick time)
 {
     MSHR* mshr = (MSHR*)pkt->senderState;
     if (((MSHR*)(pkt->senderState))->originalCmd == Packet::HardPFReq) {
@@ -632,7 +632,7 @@ MissQueue::handleResponse(Packet * &pkt, Tick time)
         if (mshr->hasTargets() && pkt->req->isUncacheable()) {
             // Should only have 1 target if we had any
             assert(num_targets == 1);
-            Packet * target = mshr->getTarget();
+            PacketPtr target = mshr->getTarget();
             mshr->popTarget();
             if (pkt->isRead()) {
                 memcpy(target->getPtr<uint8_t>(), pkt->getPtr<uint8_t>(),
@@ -645,7 +645,7 @@ MissQueue::handleResponse(Packet * &pkt, Tick time)
             //Must be a no_allocate with possibly more than one target
             assert(mshr->pkt->isNoAllocate());
             while (mshr->hasTargets()) {
-                Packet * target = mshr->getTarget();
+                PacketPtr target = mshr->getTarget();
                 mshr->popTarget();
                 if (pkt->isRead()) {
                     memcpy(target->getPtr<uint8_t>(), pkt->getPtr<uint8_t>(),
@@ -721,7 +721,7 @@ MissQueue::doWriteback(Addr addr,
 {
     // Generate request
     Request * req = new Request(addr, size, 0);
-    Packet * pkt = new Packet(req, Packet::Writeback, -1);
+    PacketPtr pkt = new Packet(req, Packet::Writeback, -1);
     pkt->allocate();
     if (data) {
         memcpy(pkt->getPtr<uint8_t>(), data, size);
@@ -739,7 +739,7 @@ MissQueue::doWriteback(Addr addr,
 
 
 void
-MissQueue::doWriteback(Packet * &pkt)
+MissQueue::doWriteback(PacketPtr &pkt)
 {
     writebacks[0/*pkt->req->getThreadNum()*/]++;
     allocateWrite(pkt, 0, curTick);
diff --git a/src/mem/cache/miss/miss_queue.hh b/src/mem/cache/miss/miss_queue.hh
index 179638d2b..2e04802fb 100644
--- a/src/mem/cache/miss/miss_queue.hh
+++ b/src/mem/cache/miss/miss_queue.hh
@@ -169,7 +169,7 @@ class MissQueue
      * @param time The time the miss occurs.
      * @return A pointer to the new MSHR.
      */
-    MSHR* allocateMiss(Packet * &pkt, int size, Tick time);
+    MSHR* allocateMiss(PacketPtr &pkt, int size, Tick time);
 
     /**
      * Allocate a new WriteBuffer to handle the provided write.
@@ -178,7 +178,7 @@ class MissQueue
      * @param time The time the write occurs.
      * @return A pointer to the new write buffer.
      */
-    MSHR* allocateWrite(Packet * &pkt, int size, Tick time);
+    MSHR* allocateWrite(PacketPtr &pkt, int size, Tick time);
 
   public:
     /**
@@ -218,7 +218,7 @@ class MissQueue
      * @param blk_size The block size of the cache.
      * @param time The time the miss is detected.
      */
-    void handleMiss(Packet * &pkt, int blk_size, Tick time);
+    void handleMiss(PacketPtr &pkt, int blk_size, Tick time);
 
     /**
      * Fetch the block for the given address and buffer the given target.
@@ -229,26 +229,26 @@ class MissQueue
      * @param target The target for the fetch.
      */
     MSHR* fetchBlock(Addr addr, int blk_size, Tick time,
-                     Packet * &target);
+                     PacketPtr &target);
 
     /**
      * Selects a outstanding pktuest to service.
      * @return The pktuest to service, NULL if none found.
      */
-    Packet * getPacket();
+    PacketPtr getPacket();
 
     /**
      * Set the command to the given bus command.
      * @param pkt The request to update.
      * @param cmd The bus command to use.
      */
-    void setBusCmd(Packet * &pkt, Packet::Command cmd);
+    void setBusCmd(PacketPtr &pkt, Packet::Command cmd);
 
     /**
      * Restore the original command in case of a bus transmission error.
      * @param pkt The request to reset.
      */
-    void restoreOrigCmd(Packet * &pkt);
+    void restoreOrigCmd(PacketPtr &pkt);
 
     /**
      * Marks a pktuest as in service (sent on the bus). This can have side
@@ -256,14 +256,14 @@ class MissQueue
      * are successfully sent.
      * @param pkt The request that was sent on the bus.
      */
-    void markInService(Packet * &pkt, MSHR* mshr);
+    void markInService(PacketPtr &pkt, MSHR* mshr);
 
     /**
      * Collect statistics and free resources of a satisfied pktuest.
      * @param pkt The request that has been satisfied.
      * @param time The time when the pktuest is satisfied.
      */
-    void handleResponse(Packet * &pkt, Tick time);
+    void handleResponse(PacketPtr &pkt, Tick time);
 
     /**
      * Removes all outstanding pktuests for a given thread number. If a request
@@ -316,7 +316,7 @@ class MissQueue
      * Perform the given writeback pktuest.
      * @param pkt The writeback request.
      */
-    void doWriteback(Packet * &pkt);
+    void doWriteback(PacketPtr &pkt);
 
     /**
      * Returns true if there are outstanding pktuests.
@@ -329,7 +329,7 @@ class MissQueue
      * @param mshr The mshr to add a target to.
      * @param pkt The target to add.
      */
-    void addTarget(MSHR *mshr, Packet * &pkt)
+    void addTarget(MSHR *mshr, PacketPtr &pkt)
     {
         mq.allocateTarget(mshr, pkt);
     }
diff --git a/src/mem/cache/miss/mshr.cc b/src/mem/cache/miss/mshr.cc
index 455798f15..fc520b4b4 100644
--- a/src/mem/cache/miss/mshr.cc
+++ b/src/mem/cache/miss/mshr.cc
@@ -55,7 +55,7 @@ MSHR::MSHR()
 
 void
 MSHR::allocate(Packet::Command cmd, Addr _addr, int size,
-               Packet * &target)
+               PacketPtr &target)
 {
     addr = _addr;
     if (target)
@@ -85,7 +85,7 @@ MSHR::allocate(Packet::Command cmd, Addr _addr, int size,
  * @todo When we have a "global" data flag, might want to copy data here.
  */
 void
-MSHR::allocateAsBuffer(Packet * &target)
+MSHR::allocateAsBuffer(PacketPtr &target)
 {
     addr = target->getAddr();
     threadNum = 0/*target->req->getThreadNum()*/;
@@ -111,13 +111,13 @@ MSHR::deallocate()
  * Adds a target to an MSHR
  */
 void
-MSHR::allocateTarget(Packet * &target)
+MSHR::allocateTarget(PacketPtr &target)
 {
     //If we append an invalidate and we issued a read to the bus,
     //but now have some pending writes, we need to move
     //the invalidate to before the first non-read
     if (inService && pkt->isRead() && target->isInvalidate()) {
-        std::list<Packet *> temp;
+        std::list<PacketPtr> temp;
 
         while (!targets.empty()) {
             if (!targets.front()->isRead()) break;
diff --git a/src/mem/cache/miss/mshr.hh b/src/mem/cache/miss/mshr.hh
index 028259b35..d92aa8a85 100644
--- a/src/mem/cache/miss/mshr.hh
+++ b/src/mem/cache/miss/mshr.hh
@@ -49,9 +49,9 @@ class MSHR;
 class MSHR {
   public:
     /** Defines the Data structure of the MSHR targetlist. */
-    typedef std::list<Packet *> TargetList;
+    typedef std::list<PacketPtr> TargetList;
     /** Target list iterator. */
-    typedef std::list<Packet *>::iterator TargetListIterator;
+    typedef std::list<PacketPtr>::iterator TargetListIterator;
     /** A list of MSHRs. */
     typedef std::list<MSHR *> List;
     /** MSHR list iterator. */
@@ -68,7 +68,7 @@ class MSHR {
     /** Thread number of the miss. */
     int threadNum;
     /** The pktuest that is forwarded to the next level of the hierarchy. */
-    Packet * pkt;
+    PacketPtr pkt;
     /** The number of currently allocated targets. */
     short ntargets;
     /** The original pktuesting command. */
@@ -101,13 +101,13 @@ public:
      * @param pkt  The original miss.
      */
     void allocate(Packet::Command cmd, Addr addr, int size,
-                  Packet * &pkt);
+                  PacketPtr &pkt);
 
     /**
      * Allocate this MSHR as a buffer for the given pktuest.
      * @param target The memory pktuest to buffer.
      */
-    void allocateAsBuffer(Packet * &target);
+    void allocateAsBuffer(PacketPtr &target);
 
     /**
      * Mark this MSHR as free.
@@ -118,7 +118,7 @@ public:
      * Add a pktuest to the list of targets.
      * @param target The target.
      */
-    void allocateTarget(Packet * &target);
+    void allocateTarget(PacketPtr &target);
 
     /** A simple constructor. */
     MSHR();
@@ -147,7 +147,7 @@ public:
      * Returns a reference to the first target.
      * @return A pointer to the first target.
      */
-    Packet * getTarget()
+    PacketPtr getTarget()
     {
         return targets.front();
     }
diff --git a/src/mem/cache/miss/mshr_queue.cc b/src/mem/cache/miss/mshr_queue.cc
index 777443e5f..d3a7a7933 100644
--- a/src/mem/cache/miss/mshr_queue.cc
+++ b/src/mem/cache/miss/mshr_queue.cc
@@ -88,7 +88,7 @@ MSHRQueue::findMatches(Addr addr, vector<MSHR*>& matches) const
 }
 
 MSHR*
-MSHRQueue::findPending(Packet * &pkt) const
+MSHRQueue::findPending(PacketPtr &pkt) const
 {
     MSHR::ConstIterator i = pendingList.begin();
     MSHR::ConstIterator end = pendingList.end();
@@ -108,7 +108,7 @@ MSHRQueue::findPending(Packet * &pkt) const
 }
 
 MSHR*
-MSHRQueue::allocate(Packet * &pkt, int size)
+MSHRQueue::allocate(PacketPtr &pkt, int size)
 {
     Addr aligned_addr = pkt->getAddr() & ~((Addr)size - 1);
     assert(!freeList.empty());
@@ -131,7 +131,7 @@ MSHRQueue::allocate(Packet * &pkt, int size)
 }
 
 MSHR*
-MSHRQueue::allocateFetch(Addr addr, int size, Packet * &target)
+MSHRQueue::allocateFetch(Addr addr, int size, PacketPtr &target)
 {
     MSHR *mshr = freeList.front();
     assert(mshr->getNumTargets() == 0);
@@ -150,7 +150,7 @@ MSHRQueue::allocateTargetList(Addr addr, int size)
     MSHR *mshr = freeList.front();
     assert(mshr->getNumTargets() == 0);
     freeList.pop_front();
-    Packet * dummy;
+    PacketPtr dummy;
     mshr->allocate(Packet::ReadReq, addr, size, dummy);
     mshr->allocIter = allocatedList.insert(allocatedList.end(), mshr);
     mshr->inService = true;
@@ -237,7 +237,7 @@ MSHRQueue::squash(int threadNum)
         MSHR *mshr = *i;
         if (mshr->threadNum == threadNum) {
             while (mshr->hasTargets()) {
-                Packet * target = mshr->getTarget();
+                PacketPtr target = mshr->getTarget();
                 mshr->popTarget();
 
                 assert(0/*target->req->getThreadNum()*/ == threadNum);
diff --git a/src/mem/cache/miss/mshr_queue.hh b/src/mem/cache/miss/mshr_queue.hh
index ea5f101b7..30397d9a0 100644
--- a/src/mem/cache/miss/mshr_queue.hh
+++ b/src/mem/cache/miss/mshr_queue.hh
@@ -107,7 +107,7 @@ class MSHRQueue {
      * @param pkt The request to find.
      * @return A pointer to the earliest matching MSHR.
      */
-    MSHR* findPending(Packet * &pkt) const;
+    MSHR* findPending(PacketPtr &pkt) const;
 
     /**
      * Allocates a new MSHR for the pktuest and size. This places the request
@@ -118,7 +118,7 @@ class MSHRQueue {
      *
      * @pre There are free MSHRs.
      */
-    MSHR* allocate(Packet * &pkt, int size = 0);
+    MSHR* allocate(PacketPtr &pkt, int size = 0);
 
     /**
      * Allocate a read pktuest for the given address, and places the given
@@ -129,7 +129,7 @@ class MSHRQueue {
      * @param target The first target for the pktuest.
      * @return Pointer to the new MSHR.
      */
-    MSHR* allocateFetch(Addr addr, int size, Packet * &target);
+    MSHR* allocateFetch(Addr addr, int size, PacketPtr &target);
 
     /**
      * Allocate a target list for the given address.
@@ -153,7 +153,7 @@ class MSHRQueue {
      * @param mshr The MSHR to allocate the target to.
      * @param pkt The target request.
      */
-    void allocateTarget(MSHR* mshr, Packet * &pkt)
+    void allocateTarget(MSHR* mshr, PacketPtr &pkt)
     {
         mshr->allocateTarget(pkt);
         allocatedTargets += 1;
@@ -216,7 +216,7 @@ class MSHRQueue {
      * Returns the pktuest at the head of the pendingList.
      * @return The next pktuest to service.
      */
-    Packet * getReq() const
+    PacketPtr getReq() const
     {
         if (pendingList.empty()) {
             return NULL;
diff --git a/src/mem/cache/prefetch/base_prefetcher.cc b/src/mem/cache/prefetch/base_prefetcher.cc
index 5e50c48bd..a1388fad6 100644
--- a/src/mem/cache/prefetch/base_prefetcher.cc
+++ b/src/mem/cache/prefetch/base_prefetcher.cc
@@ -102,7 +102,7 @@ BasePrefetcher::regStats(const std::string &name)
         ;
 }
 
-Packet *
+PacketPtr
 BasePrefetcher::getPacket()
 {
     DPRINTF(HWPrefetch, "%s:Requesting a hw_pf to issue\n", cache->name());
@@ -112,7 +112,7 @@ BasePrefetcher::getPacket()
         return NULL;
     }
 
-    Packet * pkt;
+    PacketPtr pkt;
     bool keepTrying = false;
     do {
         pkt = *pf.begin();
@@ -131,7 +131,7 @@ BasePrefetcher::getPacket()
 }
 
 void
-BasePrefetcher::handleMiss(Packet * &pkt, Tick time)
+BasePrefetcher::handleMiss(PacketPtr &pkt, Tick time)
 {
     if (!pkt->req->isUncacheable() && !(pkt->req->isInstRead() && only_data))
     {
@@ -139,7 +139,7 @@ BasePrefetcher::handleMiss(Packet * &pkt, Tick time)
         Addr blkAddr = pkt->getAddr() & ~(Addr)(blkSize-1);
 
         //Check if miss is in pfq, if so remove it
-        std::list<Packet *>::iterator iter = inPrefetch(blkAddr);
+        std::list<PacketPtr>::iterator iter = inPrefetch(blkAddr);
         if (iter != pf.end()) {
             DPRINTF(HWPrefetch, "%s:Saw a miss to a queued prefetch, removing it\n", cache->name());
             pfRemovedMSHR++;
@@ -179,7 +179,7 @@ BasePrefetcher::handleMiss(Packet * &pkt, Tick time)
             pfIdentified++;
             //create a prefetch memreq
             Request * prefetchReq = new Request(*addr, blkSize, 0);
-            Packet * prefetch;
+            PacketPtr prefetch;
             prefetch = new Packet(prefetchReq, Packet::HardPFReq, -1);
             prefetch->allocate();
             prefetch->req->setThreadContext(pkt->req->getCpuNum(),
@@ -233,11 +233,11 @@ BasePrefetcher::handleMiss(Packet * &pkt, Tick time)
     }
 }
 
-std::list<Packet *>::iterator
+std::list<PacketPtr>::iterator
 BasePrefetcher::inPrefetch(Addr address)
 {
     //Guaranteed to only be one match, we always check before inserting
-    std::list<Packet *>::iterator iter;
+    std::list<PacketPtr>::iterator iter;
     for (iter=pf.begin(); iter != pf.end(); iter++) {
         if (((*iter)->getAddr() & ~(Addr)(blkSize-1)) == address) {
             return iter;
diff --git a/src/mem/cache/prefetch/base_prefetcher.hh b/src/mem/cache/prefetch/base_prefetcher.hh
index d7ea41961..781d3ab09 100644
--- a/src/mem/cache/prefetch/base_prefetcher.hh
+++ b/src/mem/cache/prefetch/base_prefetcher.hh
@@ -45,7 +45,7 @@ class BasePrefetcher
   protected:
 
     /** The Prefetch Queue. */
-    std::list<Packet *> pf;
+    std::list<PacketPtr> pf;
 
     // PARAMETERS
 
@@ -93,24 +93,24 @@ class BasePrefetcher
 
     void setCache(BaseCache *_cache);
 
-    void handleMiss(Packet * &pkt, Tick time);
+    void handleMiss(PacketPtr &pkt, Tick time);
 
-    Packet * getPacket();
+    PacketPtr getPacket();
 
     bool havePending()
     {
         return !pf.empty();
     }
 
-    virtual void calculatePrefetch(Packet * &pkt,
+    virtual void calculatePrefetch(PacketPtr &pkt,
                                    std::list<Addr> &addresses,
                                    std::list<Tick> &delays) = 0;
 
-    virtual bool inCache(Packet * &pkt) = 0;
+    virtual bool inCache(PacketPtr &pkt) = 0;
 
     virtual bool inMissQueue(Addr address) = 0;
 
-    std::list<Packet *>::iterator inPrefetch(Addr address);
+    std::list<PacketPtr>::iterator inPrefetch(Addr address);
 };
 
 
diff --git a/src/mem/cache/prefetch/ghb_prefetcher.hh b/src/mem/cache/prefetch/ghb_prefetcher.hh
index c22b763d1..14f5747df 100644
--- a/src/mem/cache/prefetch/ghb_prefetcher.hh
+++ b/src/mem/cache/prefetch/ghb_prefetcher.hh
@@ -75,7 +75,7 @@ class GHBPrefetcher : public Prefetcher<TagStore, Buffering>
 
     ~GHBPrefetcher() {}
 
-    void calculatePrefetch(Packet * &pkt, std::list<Addr> &addresses,
+    void calculatePrefetch(PacketPtr &pkt, std::list<Addr> &addresses,
                            std::list<Tick> &delays)
     {
         Addr blkAddr = pkt->getAddr() & ~(Addr)(this->blkSize-1);
diff --git a/src/mem/cache/prefetch/stride_prefetcher.hh b/src/mem/cache/prefetch/stride_prefetcher.hh
index 4a8ee7de4..d6fb8ab66 100644
--- a/src/mem/cache/prefetch/stride_prefetcher.hh
+++ b/src/mem/cache/prefetch/stride_prefetcher.hh
@@ -92,7 +92,7 @@ class StridePrefetcher : public Prefetcher<TagStore, Buffering>
 
     ~StridePrefetcher() {}
 
-    void calculatePrefetch(Packet * &pkt, std::list<Addr> &addresses,
+    void calculatePrefetch(PacketPtr &pkt, std::list<Addr> &addresses,
                            std::list<Tick> &delays)
     {
 //	Addr blkAddr = pkt->paddr & ~(Addr)(this->blkSize-1);
diff --git a/src/mem/cache/prefetch/tagged_prefetcher.hh b/src/mem/cache/prefetch/tagged_prefetcher.hh
index 17f500dd8..b61e57dcc 100644
--- a/src/mem/cache/prefetch/tagged_prefetcher.hh
+++ b/src/mem/cache/prefetch/tagged_prefetcher.hh
@@ -64,7 +64,7 @@ class TaggedPrefetcher : public Prefetcher<TagStore, Buffering>
 
     ~TaggedPrefetcher() {}
 
-    void calculatePrefetch(Packet * &pkt, std::list<Addr> &addresses,
+    void calculatePrefetch(PacketPtr &pkt, std::list<Addr> &addresses,
                            std::list<Tick> &delays);
 };
 
diff --git a/src/mem/cache/prefetch/tagged_prefetcher_impl.hh b/src/mem/cache/prefetch/tagged_prefetcher_impl.hh
index e554b3cec..a18de4571 100644
--- a/src/mem/cache/prefetch/tagged_prefetcher_impl.hh
+++ b/src/mem/cache/prefetch/tagged_prefetcher_impl.hh
@@ -50,7 +50,7 @@ TaggedPrefetcher(int size, bool pageStop, bool serialSquash,
 template <class TagStore, class Buffering>
 void
 TaggedPrefetcher<TagStore, Buffering>::
-calculatePrefetch(Packet * &pkt, std::list<Addr> &addresses,
+calculatePrefetch(PacketPtr &pkt, std::list<Addr> &addresses,
                   std::list<Tick> &delays)
 {
     Addr blkAddr = pkt->getAddr() & ~(Addr)(this->blkSize-1);
diff --git a/src/mem/cache/tags/fa_lru.cc b/src/mem/cache/tags/fa_lru.cc
index 784ba1311..a58ddaff8 100644
--- a/src/mem/cache/tags/fa_lru.cc
+++ b/src/mem/cache/tags/fa_lru.cc
@@ -203,7 +203,7 @@ FALRU::findBlock(Addr addr, int &lat, int *inCache)
 }
 
 FALRUBlk*
-FALRU::findBlock(Packet * &pkt, int &lat, int *inCache)
+FALRU::findBlock(PacketPtr &pkt, int &lat, int *inCache)
 {
     Addr addr = pkt->getAddr();
 
@@ -256,7 +256,7 @@ FALRU::findBlock(Addr addr) const
 }
 
 FALRUBlk*
-FALRU::findReplacement(Packet * &pkt, PacketList &writebacks,
+FALRU::findReplacement(PacketPtr &pkt, PacketList &writebacks,
                        BlkList &compress_blocks)
 {
     FALRUBlk * blk = tail;
diff --git a/src/mem/cache/tags/fa_lru.hh b/src/mem/cache/tags/fa_lru.hh
index 0fc54902b..2db89d603 100644
--- a/src/mem/cache/tags/fa_lru.hh
+++ b/src/mem/cache/tags/fa_lru.hh
@@ -198,7 +198,7 @@ public:
      * @param inCache The FALRUBlk::inCache flags.
      * @return Pointer to the cache block.
      */
-    FALRUBlk* findBlock(Packet * &pkt, int &lat, int *inCache = 0);
+    FALRUBlk* findBlock(PacketPtr &pkt, int &lat, int *inCache = 0);
 
     /**
      * Find the block in the cache, do not update the replacement data.
@@ -215,7 +215,7 @@ public:
      * @param compress_blocks List of blocks to compress, for adaptive comp.
      * @return The block to place the replacement in.
      */
-    FALRUBlk* findReplacement(Packet * &pkt, PacketList & writebacks,
+    FALRUBlk* findReplacement(PacketPtr &pkt, PacketList & writebacks,
                               BlkList &compress_blocks);
 
     /**
diff --git a/src/mem/cache/tags/iic.cc b/src/mem/cache/tags/iic.cc
index bf1d9ece4..f4e870659 100644
--- a/src/mem/cache/tags/iic.cc
+++ b/src/mem/cache/tags/iic.cc
@@ -285,7 +285,7 @@ IIC::findBlock(Addr addr, int &lat)
 }
 
 IICTag*
-IIC::findBlock(Packet * &pkt, int &lat)
+IIC::findBlock(PacketPtr &pkt, int &lat)
 {
     Addr addr = pkt->getAddr();
 
@@ -362,7 +362,7 @@ IIC::findBlock(Addr addr) const
 
 
 IICTag*
-IIC::findReplacement(Packet * &pkt, PacketList &writebacks,
+IIC::findReplacement(PacketPtr &pkt, PacketList &writebacks,
                      BlkList &compress_blocks)
 {
     DPRINTF(IIC, "Finding Replacement for %x\n", pkt->getAddr());
@@ -423,7 +423,7 @@ IIC::freeReplacementBlock(PacketList & writebacks)
         tag_ptr->refCount = 0;
 
         if (tag_ptr->isModified()) {
-/*	    Packet * writeback =
+/*	    PacketPtr writeback =
                 buildWritebackReq(regenerateBlkAddr(tag_ptr->tag, 0),
                                   tag_ptr->req->asid, tag_ptr->xc, blkSize,
                                   tag_ptr->data,
@@ -431,7 +431,7 @@ IIC::freeReplacementBlock(PacketList & writebacks)
 */
             Request *writebackReq = new Request(regenerateBlkAddr(tag_ptr->tag, 0),
                                            blkSize, 0);
-            Packet *writeback = new Packet(writebackReq, Packet::Writeback, -1);
+            PacketPtr writeback = new Packet(writebackReq, Packet::Writeback, -1);
             writeback->allocate();
             memcpy(writeback->getPtr<uint8_t>(), tag_ptr->data, blkSize);
 
diff --git a/src/mem/cache/tags/iic.hh b/src/mem/cache/tags/iic.hh
index 905d480c5..92bd6da1d 100644
--- a/src/mem/cache/tags/iic.hh
+++ b/src/mem/cache/tags/iic.hh
@@ -458,7 +458,7 @@ class IIC : public BaseTags
      * @param lat The access latency.
      * @return A pointer to the block found, if any.
      */
-    IICTag* findBlock(Packet * &pkt, int &lat);
+    IICTag* findBlock(PacketPtr &pkt, int &lat);
 
     /**
      * Find the block, do not update the replacement data.
@@ -475,7 +475,7 @@ class IIC : public BaseTags
      * @param compress_blocks List of blocks to compress, for adaptive comp.
      * @return The block to place the replacement in.
      */
-    IICTag* findReplacement(Packet * &pkt, PacketList &writebacks,
+    IICTag* findReplacement(PacketPtr &pkt, PacketList &writebacks,
                             BlkList &compress_blocks);
 
     /**
diff --git a/src/mem/cache/tags/lru.cc b/src/mem/cache/tags/lru.cc
index 3eb083327..31d29aae6 100644
--- a/src/mem/cache/tags/lru.cc
+++ b/src/mem/cache/tags/lru.cc
@@ -184,7 +184,7 @@ LRU::findBlock(Addr addr, int &lat)
 }
 
 LRUBlk*
-LRU::findBlock(Packet * &pkt, int &lat)
+LRU::findBlock(PacketPtr &pkt, int &lat)
 {
     Addr addr = pkt->getAddr();
 
@@ -215,7 +215,7 @@ LRU::findBlock(Addr addr) const
 }
 
 LRUBlk*
-LRU::findReplacement(Packet * &pkt, PacketList &writebacks,
+LRU::findReplacement(PacketPtr &pkt, PacketList &writebacks,
                      BlkList &compress_blocks)
 {
     unsigned set = extractSet(pkt->getAddr());
diff --git a/src/mem/cache/tags/lru.hh b/src/mem/cache/tags/lru.hh
index 9f0a05ee8..fed688283 100644
--- a/src/mem/cache/tags/lru.hh
+++ b/src/mem/cache/tags/lru.hh
@@ -174,7 +174,7 @@ public:
      * @param lat The access latency.
      * @return Pointer to the cache block if found.
      */
-    LRUBlk* findBlock(Packet * &pkt, int &lat);
+    LRUBlk* findBlock(PacketPtr &pkt, int &lat);
 
     /**
      * Finds the given address in the cache and update replacement data.
@@ -201,7 +201,7 @@ public:
      * @param compress_blocks List of blocks to compress, for adaptive comp.
      * @return The block to place the replacement in.
      */
-    LRUBlk* findReplacement(Packet * &pkt, PacketList &writebacks,
+    LRUBlk* findReplacement(PacketPtr &pkt, PacketList &writebacks,
                             BlkList &compress_blocks);
 
     /**
diff --git a/src/mem/cache/tags/split.cc b/src/mem/cache/tags/split.cc
index cad18e885..bc74f0e0f 100644
--- a/src/mem/cache/tags/split.cc
+++ b/src/mem/cache/tags/split.cc
@@ -267,7 +267,7 @@ Split::probe(Addr addr) const
 }
 
 SplitBlk*
-Split::findBlock(Packet * &pkt, int &lat)
+Split::findBlock(PacketPtr &pkt, int &lat)
 {
 
     Addr aligned = blkAlign(pkt->getAddr());
@@ -350,7 +350,7 @@ Split::findBlock(Addr addr) const
 }
 
 SplitBlk*
-Split::findReplacement(Packet * &pkt, PacketList &writebacks,
+Split::findReplacement(PacketPtr &pkt, PacketList &writebacks,
                      BlkList &compress_blocks)
 {
     SplitBlk *blk;
diff --git a/src/mem/cache/tags/split.hh b/src/mem/cache/tags/split.hh
index 708058e96..748f6fb25 100644
--- a/src/mem/cache/tags/split.hh
+++ b/src/mem/cache/tags/split.hh
@@ -207,7 +207,7 @@ class Split : public BaseTags
      * @param lat The access latency.
      * @return Pointer to the cache block if found.
      */
-    SplitBlk* findBlock(Packet * &pkt, int &lat);
+    SplitBlk* findBlock(PacketPtr &pkt, int &lat);
 
     /**
      * Finds the given address in the cache, do not update replacement data.
@@ -224,7 +224,7 @@ class Split : public BaseTags
      * @param compress_blocks List of blocks to compress, for adaptive comp.
      * @return The block to place the replacement in.
      */
-    SplitBlk* findReplacement(Packet * &pkt, PacketList &writebacks,
+    SplitBlk* findReplacement(PacketPtr &pkt, PacketList &writebacks,
                             BlkList &compress_blocks);
 
 
diff --git a/src/mem/cache/tags/split_lifo.cc b/src/mem/cache/tags/split_lifo.cc
index 4e9375070..302e2aaeb 100644
--- a/src/mem/cache/tags/split_lifo.cc
+++ b/src/mem/cache/tags/split_lifo.cc
@@ -255,7 +255,7 @@ SplitLIFO::findBlock(Addr addr, int &lat)
 }
 
 SplitBlk*
-SplitLIFO::findBlock(Packet * &pkt, int &lat)
+SplitLIFO::findBlock(PacketPtr &pkt, int &lat)
 {
     Addr addr = pkt->getAddr();
 
@@ -291,7 +291,7 @@ SplitLIFO::findBlock(Addr addr) const
 }
 
 SplitBlk*
-SplitLIFO::findReplacement(Packet * &pkt, PacketList &writebacks,
+SplitLIFO::findReplacement(PacketPtr &pkt, PacketList &writebacks,
                            BlkList &compress_blocks)
 {
     unsigned set = extractSet(pkt->getAddr());
diff --git a/src/mem/cache/tags/split_lifo.hh b/src/mem/cache/tags/split_lifo.hh
index ddc7fdeec..6c3befe37 100644
--- a/src/mem/cache/tags/split_lifo.hh
+++ b/src/mem/cache/tags/split_lifo.hh
@@ -207,7 +207,7 @@ public:
      * @param lat The access latency.
      * @return Pointer to the cache block if found.
      */
-    SplitBlk* findBlock(Packet * &pkt, int &lat);
+    SplitBlk* findBlock(PacketPtr &pkt, int &lat);
 
     /**
      * Finds the given address in the cache, do not update replacement data.
@@ -224,7 +224,7 @@ public:
      * @param compress_blocks List of blocks to compress, for adaptive comp.
      * @return The block to place the replacement in.
      */
-    SplitBlk* findReplacement(Packet * &pkt, PacketList &writebacks,
+    SplitBlk* findReplacement(PacketPtr &pkt, PacketList &writebacks,
                             BlkList &compress_blocks);
 
     /**
diff --git a/src/mem/cache/tags/split_lru.cc b/src/mem/cache/tags/split_lru.cc
index 4aba1c37f..11c9a5d64 100644
--- a/src/mem/cache/tags/split_lru.cc
+++ b/src/mem/cache/tags/split_lru.cc
@@ -203,7 +203,7 @@ SplitLRU::findBlock(Addr addr, int &lat)
 }
 
 SplitBlk*
-SplitLRU::findBlock(Packet * &pkt, int &lat)
+SplitLRU::findBlock(PacketPtr &pkt, int &lat)
 {
     Addr addr = pkt->getAddr();
 
@@ -234,7 +234,7 @@ SplitLRU::findBlock(Addr addr) const
 }
 
 SplitBlk*
-SplitLRU::findReplacement(Packet * &pkt, PacketList &writebacks,
+SplitLRU::findReplacement(PacketPtr &pkt, PacketList &writebacks,
                      BlkList &compress_blocks)
 {
     unsigned set = extractSet(pkt->getAddr());
diff --git a/src/mem/cache/tags/split_lru.hh b/src/mem/cache/tags/split_lru.hh
index 71f921177..6160d59e5 100644
--- a/src/mem/cache/tags/split_lru.hh
+++ b/src/mem/cache/tags/split_lru.hh
@@ -190,7 +190,7 @@ public:
      * @param lat The access latency.
      * @return Pointer to the cache block if found.
      */
-    SplitBlk* findBlock(Packet * &pkt, int &lat);
+    SplitBlk* findBlock(PacketPtr &pkt, int &lat);
 
     /**
      * Finds the given address in the cache, do not update replacement data.
@@ -207,7 +207,7 @@ public:
      * @param compress_blocks List of blocks to compress, for adaptive comp.
      * @return The block to place the replacement in.
      */
-    SplitBlk* findReplacement(Packet * &pkt, PacketList &writebacks,
+    SplitBlk* findReplacement(PacketPtr &pkt, PacketList &writebacks,
                             BlkList &compress_blocks);
 
     /**
diff --git a/src/mem/dram.cc b/src/mem/dram.cc
index d7b955975..873ca5b97 100644
--- a/src/mem/dram.cc
+++ b/src/mem/dram.cc
@@ -359,7 +359,7 @@ DRAMMemory::regStats()
 static char *mem_access_output=NULL;
                 /* latency of access [CPU cycles]*/
 Tick
-DRAMMemory::calculateLatency(Packet *pkt)
+DRAMMemory::calculateLatency(PacketPtr pkt)
 {
 
   bool cmdIsRead = pkt->isRead();
diff --git a/src/mem/dram.hh b/src/mem/dram.hh
index 32d117596..9d2f60ee8 100644
--- a/src/mem/dram.hh
+++ b/src/mem/dram.hh
@@ -140,7 +140,7 @@ class DRAMMemory : public PhysicalMemory
 
 
   protected:
-    Tick calculateLatency(Packet *pkt);
+    Tick calculateLatency(PacketPtr pkt);
     int prechargeBanksAround(int bank);
 
   public:
diff --git a/src/mem/packet.cc b/src/mem/packet.cc
index 8e502f2be..834f4b63c 100644
--- a/src/mem/packet.cc
+++ b/src/mem/packet.cc
@@ -133,7 +133,7 @@ Packet::allocate()
 
 /** Do the packet modify the same addresses. */
 bool
-Packet::intersect(Packet *p)
+Packet::intersect(PacketPtr p)
 {
     Addr s1 = getAddr();
     Addr e1 = getAddr() + getSize() - 1;
@@ -144,7 +144,7 @@ Packet::intersect(Packet *p)
 }
 
 bool
-fixPacket(Packet *func, Packet *timing)
+fixPacket(PacketPtr func, PacketPtr timing)
 {
     Addr funcStart      = func->getAddr();
     Addr funcEnd        = func->getAddr() + func->getSize() - 1;
diff --git a/src/mem/packet.hh b/src/mem/packet.hh
index 29b421862..d8ad49bdb 100644
--- a/src/mem/packet.hh
+++ b/src/mem/packet.hh
@@ -46,7 +46,7 @@
 #include "sim/root.hh"
 
 struct Packet;
-typedef Packet* PacketPtr;
+typedef Packet *PacketPtr;
 typedef uint8_t* PacketDataPtr;
 typedef std::list<PacketPtr> PacketList;
 
@@ -103,7 +103,7 @@ class Packet
     /** Device address (e.g., bus ID) of the source of the
      *   transaction. The source is not responsible for setting this
      *   field; it is set implicitly by the interconnect when the
-     *   packet * is first sent.  */
+     *   packet is first sent.  */
     short src;
 
     /** Device address (e.g., bus ID) of the destination of the
@@ -444,7 +444,7 @@ class Packet
     void allocate();
 
     /** Do the packet modify the same addresses. */
-    bool intersect(Packet *p);
+    bool intersect(PacketPtr p);
 };
 
 
@@ -453,7 +453,7 @@ class Packet
  * in the timing packet. It returns if the functional packet should continue to
  * traverse the memory hierarchy or not.
  */
-bool fixPacket(Packet *func, Packet *timing);
+bool fixPacket(PacketPtr func, PacketPtr timing);
 
 std::ostream & operator<<(std::ostream &o, const Packet &p);
 
diff --git a/src/mem/physical.cc b/src/mem/physical.cc
index 43a7c5cb4..0302f7351 100644
--- a/src/mem/physical.cc
+++ b/src/mem/physical.cc
@@ -101,7 +101,7 @@ PhysicalMemory::deviceBlockSize()
 }
 
 Tick
-PhysicalMemory::calculateLatency(Packet *pkt)
+PhysicalMemory::calculateLatency(PacketPtr pkt)
 {
     return lat;
 }
@@ -189,7 +189,7 @@ PhysicalMemory::checkLockedAddrList(Request *req)
 }
 
 void
-PhysicalMemory::doFunctionalAccess(Packet *pkt)
+PhysicalMemory::doFunctionalAccess(PacketPtr pkt)
 {
     assert(pkt->getAddr() + pkt->getSize() <= params()->addrRange.size());
 
@@ -277,14 +277,14 @@ PhysicalMemory::MemoryPort::deviceBlockSize()
 }
 
 Tick
-PhysicalMemory::MemoryPort::recvAtomic(Packet *pkt)
+PhysicalMemory::MemoryPort::recvAtomic(PacketPtr pkt)
 {
     memory->doFunctionalAccess(pkt);
     return memory->calculateLatency(pkt);
 }
 
 void
-PhysicalMemory::MemoryPort::recvFunctional(Packet *pkt)
+PhysicalMemory::MemoryPort::recvFunctional(PacketPtr pkt)
 {
     // Default implementation of SimpleTimingPort::recvFunctional()
     // calls recvAtomic() and throws away the latency; we can save a
diff --git a/src/mem/physical.hh b/src/mem/physical.hh
index 97bea2ec4..045e61612 100644
--- a/src/mem/physical.hh
+++ b/src/mem/physical.hh
@@ -57,9 +57,9 @@ class PhysicalMemory : public MemObject
 
       protected:
 
-        virtual Tick recvAtomic(Packet *pkt);
+        virtual Tick recvAtomic(PacketPtr pkt);
 
-        virtual void recvFunctional(Packet *pkt);
+        virtual void recvFunctional(PacketPtr pkt);
 
         virtual void recvStatusChange(Status status);
 
@@ -172,8 +172,8 @@ class PhysicalMemory : public MemObject
     unsigned int drain(Event *de);
 
   protected:
-    void doFunctionalAccess(Packet *pkt);
-    virtual Tick calculateLatency(Packet *pkt);
+    void doFunctionalAccess(PacketPtr pkt);
+    virtual Tick calculateLatency(PacketPtr pkt);
     void recvStatusChange(Port::Status status);
 
   public:
diff --git a/src/mem/port.hh b/src/mem/port.hh
index bb3bc1b1b..b6eeb9db3 100644
--- a/src/mem/port.hh
+++ b/src/mem/port.hh
@@ -128,13 +128,13 @@ class Port
      * called by a peer port, never directly by any outside object. */
 
     /** Called to recive a timing call from the peer port. */
-    virtual bool recvTiming(Packet *pkt) = 0;
+    virtual bool recvTiming(PacketPtr pkt) = 0;
 
     /** Called to recive a atomic call from the peer port. */
-    virtual Tick recvAtomic(Packet *pkt) = 0;
+    virtual Tick recvAtomic(PacketPtr pkt) = 0;
 
     /** Called to recive a functional call from the peer port. */
-    virtual void recvFunctional(Packet *pkt) = 0;
+    virtual void recvFunctional(PacketPtr pkt) = 0;
 
     /** Called to recieve a status change from the peer port. */
     virtual void recvStatusChange(Status status) = 0;
@@ -172,14 +172,14 @@ class Port
         case a cache has a higher priority request come in while waiting for
         the bus to arbitrate.
     */
-    bool sendTiming(Packet *pkt) { return peer->recvTiming(pkt); }
+    bool sendTiming(PacketPtr pkt) { return peer->recvTiming(pkt); }
 
     /** Function called by the associated device to send an atomic
      *   access, an access in which the data is moved and the state is
      *   updated in one cycle, without interleaving with other memory
      *   accesses.  Returns estimated latency of access.
      */
-    Tick sendAtomic(Packet *pkt)
+    Tick sendAtomic(PacketPtr pkt)
         { return peer->recvAtomic(pkt); }
 
     /** Function called by the associated device to send a functional access,
@@ -187,7 +187,7 @@ class Port
         memory system, without affecting the current state of any block or
         moving the block.
     */
-    void sendFunctional(Packet *pkt)
+    void sendFunctional(PacketPtr pkt)
         { return peer->recvFunctional(pkt); }
 
     /** Called by the associated device to send a status change to the device
@@ -252,9 +252,9 @@ class FunctionalPort : public Port
     {}
 
   protected:
-    virtual bool recvTiming(Packet *pkt) { panic("FuncPort is UniDir"); }
-    virtual Tick recvAtomic(Packet *pkt) { panic("FuncPort is UniDir"); }
-    virtual void recvFunctional(Packet *pkt) { panic("FuncPort is UniDir"); }
+    virtual bool recvTiming(PacketPtr pkt) { panic("FuncPort is UniDir"); }
+    virtual Tick recvAtomic(PacketPtr pkt) { panic("FuncPort is UniDir"); }
+    virtual void recvFunctional(PacketPtr pkt) { panic("FuncPort is UniDir"); }
     virtual void recvStatusChange(Status status) {}
 
   public:
diff --git a/src/mem/tport.cc b/src/mem/tport.cc
index 2d8e7dba4..350b4c8e3 100644
--- a/src/mem/tport.cc
+++ b/src/mem/tport.cc
@@ -31,15 +31,15 @@
 #include "mem/tport.hh"
 
 void
-SimpleTimingPort::recvFunctional(Packet *pkt)
+SimpleTimingPort::recvFunctional(PacketPtr pkt)
 {
     //First check queued events
-    std::list<Packet *>::iterator i = transmitList.begin();
-    std::list<Packet *>::iterator end = transmitList.end();
+    std::list<PacketPtr>::iterator i = transmitList.begin();
+    std::list<PacketPtr>::iterator end = transmitList.end();
     bool cont = true;
 
     while (i != end && cont) {
-        Packet * target = *i;
+        PacketPtr target = *i;
         // If the target contains data, and it overlaps the
         // probed request, need to update data
         if (target->intersect(pkt))
@@ -52,7 +52,7 @@ SimpleTimingPort::recvFunctional(Packet *pkt)
 }
 
 bool
-SimpleTimingPort::recvTiming(Packet *pkt)
+SimpleTimingPort::recvTiming(PacketPtr pkt)
 {
     // If the device is only a slave, it should only be sending
     // responses, which should never get nacked.  There used to be
diff --git a/src/mem/tport.hh b/src/mem/tport.hh
index df6d48196..fbe81c443 100644
--- a/src/mem/tport.hh
+++ b/src/mem/tport.hh
@@ -60,7 +60,7 @@ class SimpleTimingPort : public Port
   protected:
     /** A list of outgoing timing response packets that haven't been
      * serviced yet. */
-    std::list<Packet*> transmitList;
+    std::list<PacketPtr> transmitList;
 
     /**
      * This class is used to implemented sendTiming() with a delay. When
@@ -71,10 +71,10 @@ class SimpleTimingPort : public Port
     class SendEvent : public Event
     {
         SimpleTimingPort *port;
-        Packet *packet;
+        PacketPtr packet;
 
       public:
-        SendEvent(SimpleTimingPort *p, Packet *pkt, Tick t)
+        SendEvent(SimpleTimingPort *p, PacketPtr pkt, Tick t)
             : Event(&mainEventQueue), port(p), packet(pkt)
         { setFlags(AutoDelete); schedule(curTick + t); }
 
@@ -95,7 +95,7 @@ class SimpleTimingPort : public Port
     Event *drainEvent;
 
     /** Schedule a sendTiming() event to be called in the future. */
-    void sendTimingLater(Packet *pkt, Tick time)
+    void sendTimingLater(PacketPtr pkt, Tick time)
     { outTiming++; new SendEvent(this, pkt, time); }
 
     /** This function is notification that the device should attempt to send a
@@ -103,10 +103,10 @@ class SimpleTimingPort : public Port
     virtual void recvRetry();
 
     /** Implemented using recvAtomic(). */
-    void recvFunctional(Packet *pkt);
+    void recvFunctional(PacketPtr pkt);
 
     /** Implemented using recvAtomic(). */
-    bool recvTiming(Packet *pkt);
+    bool recvTiming(PacketPtr pkt);
 
     /**
      * Simple ports generally don't care about any status