From: Ron Dreslinski <rdreslin@umich.edu>
Date: Tue, 15 Aug 2006 20:21:46 +0000 (-0400)
Subject: Pulled out changes to fix EIO programs with caches.  Also fixes any translatingPort... 
X-Git-Tag: m5_2.0_beta1~35
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d5ac1cb51f2e08531794e1dcbb17e47f51041c4f;p=gem5.git

Pulled out changes to fix EIO programs with caches.  Also fixes any translatingPort read/write Blob function problems with caches.

-Basically removed the ASID from places it is no longer needed due to PageTable

src/mem/cache/cache.hh:
src/mem/cache/cache_impl.hh:
src/mem/cache/miss/blocking_buffer.cc:
src/mem/cache/miss/blocking_buffer.hh:
src/mem/cache/miss/miss_queue.cc:
src/mem/cache/miss/miss_queue.hh:
src/mem/cache/miss/mshr.cc:
src/mem/cache/miss/mshr.hh:
src/mem/cache/miss/mshr_queue.cc:
src/mem/cache/miss/mshr_queue.hh:
src/mem/cache/prefetch/base_prefetcher.cc:
src/mem/cache/prefetch/base_prefetcher.hh:
src/mem/cache/tags/fa_lru.cc:
src/mem/cache/tags/fa_lru.hh:
src/mem/cache/tags/iic.cc:
src/mem/cache/tags/iic.hh:
src/mem/cache/tags/lru.cc:
src/mem/cache/tags/lru.hh:
src/mem/cache/tags/split.cc:
src/mem/cache/tags/split.hh:
src/mem/cache/tags/split_lifo.cc:
src/mem/cache/tags/split_lifo.hh:
src/mem/cache/tags/split_lru.cc:
src/mem/cache/tags/split_lru.hh:
    Remove asid where it wasn't neccesary anymore due to Page Table

--HG--
extra : convert_revision : ab8bbf4cc47b9eaefa9cdfa790881a21d0e7bf28
---

diff --git a/src/mem/cache/cache.hh b/src/mem/cache/cache.hh
index a26d91709..989b8743e 100644
--- a/src/mem/cache/cache.hh
+++ b/src/mem/cache/cache.hh
@@ -108,7 +108,7 @@ class Cache : public BaseCache
      * Temporarily move a block into a MSHR.
      * @todo Remove this when LSQ/SB are fixed and implemented in memtest.
      */
-    void pseudoFill(Addr addr, int asid);
+    void pseudoFill(Addr addr);
 
     /**
      * Temporarily move a block into an existing MSHR.
@@ -218,7 +218,7 @@ class Cache : public BaseCache
      * @param asid The address space ID of the address.
      * @todo Is this function necessary?
      */
-    void invalidateBlk(Addr addr, int asid);
+    void invalidateBlk(Addr addr);
 
     /**
      * Squash all requests associated with specified thread.
diff --git a/src/mem/cache/cache_impl.hh b/src/mem/cache/cache_impl.hh
index b215960c4..2f9415852 100644
--- a/src/mem/cache/cache_impl.hh
+++ b/src/mem/cache/cache_impl.hh
@@ -184,8 +184,8 @@ Cache<TagStore,Buffering,Coherence>::access(PacketPtr &pkt)
             && !pkt->isWrite()) {
             //Upgrade or Invalidate
             //Look into what happens if two slave caches on bus
-            DPRINTF(Cache, "%s %d %x ? blk_addr: %x\n", pkt->cmdString(),
-                    pkt->req->getAsid(), pkt->getAddr() & (((ULL(1))<<48)-1),
+            DPRINTF(Cache, "%s %x ? blk_addr: %x\n", pkt->cmdString(),
+                    pkt->getAddr() & (((ULL(1))<<48)-1),
                     pkt->getAddr() & ~((Addr)blkSize - 1));
 
             //@todo Should this return latency have the hit latency in it?
@@ -205,7 +205,7 @@ Cache<TagStore,Buffering,Coherence>::access(PacketPtr &pkt)
     if (!blk && pkt->getSize() >= blkSize && coherence->allowFastWrites() &&
         (pkt->cmd == Packet::WriteReq || pkt->cmd == Packet::WriteInvalidateReq) ) {
         // not outstanding misses, can do this
-        MSHR* outstanding_miss = missQueue->findMSHR(pkt->getAddr(), pkt->req->getAsid());
+        MSHR* outstanding_miss = missQueue->findMSHR(pkt->getAddr());
         if (pkt->cmd == Packet::WriteInvalidateReq || !outstanding_miss) {
             if (outstanding_miss) {
                 warn("WriteInv doing a fastallocate"
@@ -220,8 +220,8 @@ Cache<TagStore,Buffering,Coherence>::access(PacketPtr &pkt)
         missQueue->doWriteback(writebacks.front());
         writebacks.pop_front();
     }
-    DPRINTF(Cache, "%s %d %x %s blk_addr: %x pc %x\n", pkt->cmdString(),
-            pkt->req->getAsid(), pkt->getAddr() & (((ULL(1))<<48)-1), (blk) ? "hit" : "miss",
+    DPRINTF(Cache, "%s %x %s blk_addr: %x pc %x\n", pkt->cmdString(),
+            pkt->getAddr() & (((ULL(1))<<48)-1), (blk) ? "hit" : "miss",
             pkt->getAddr() & ~((Addr)blkSize - 1), pkt->req->getPC());
     if (blk) {
         // Hit
@@ -311,10 +311,10 @@ Cache<TagStore,Buffering,Coherence>::handleResponse(Packet * &pkt)
 
 template<class TagStore, class Buffering, class Coherence>
 void
-Cache<TagStore,Buffering,Coherence>::pseudoFill(Addr addr, int asid)
+Cache<TagStore,Buffering,Coherence>::pseudoFill(Addr addr)
 {
     // Need to temporarily move this blk into MSHRs
-    MSHR *mshr = missQueue->allocateTargetList(addr, asid);
+    MSHR *mshr = missQueue->allocateTargetList(addr);
     int lat;
     PacketList dummy;
     // Read the data into the mshr
@@ -324,7 +324,7 @@ Cache<TagStore,Buffering,Coherence>::pseudoFill(Addr addr, int asid)
     // can overload order since it isn't used on non pending blocks
     mshr->order = blk->status;
     // temporarily remove the block from the cache.
-    tags->invalidateBlk(addr, asid);
+    tags->invalidateBlk(addr);
 }
 
 template<class TagStore, class Buffering, class Coherence>
@@ -342,7 +342,7 @@ Cache<TagStore,Buffering,Coherence>::pseudoFill(MSHR *mshr)
     // can overload order since it isn't used on non pending blocks
     mshr->order = blk->status;
     // temporarily remove the block from the cache.
-    tags->invalidateBlk(mshr->pkt->getAddr(), mshr->pkt->req->getAsid());
+    tags->invalidateBlk(mshr->pkt->getAddr());
 }
 
 
@@ -361,7 +361,7 @@ Cache<TagStore,Buffering,Coherence>::snoop(Packet * &pkt)
 
     Addr blk_addr = pkt->getAddr() & ~(Addr(blkSize-1));
     BlkType *blk = tags->findBlock(pkt);
-    MSHR *mshr = missQueue->findMSHR(blk_addr, pkt->req->getAsid());
+    MSHR *mshr = missQueue->findMSHR(blk_addr);
     if (isTopLevel() && coherence->hasProtocol()) { //@todo Move this into handle bus req
         //If we find an mshr, and it is in service, we need to NACK or invalidate
         if (mshr) {
@@ -395,7 +395,7 @@ Cache<TagStore,Buffering,Coherence>::snoop(Packet * &pkt)
         }
         //We also need to check the writeback buffers and handle those
         std::vector<MSHR *> writebacks;
-        if (missQueue->findWrites(blk_addr, pkt->req->getAsid(), writebacks)) {
+        if (missQueue->findWrites(blk_addr, writebacks)) {
             DPRINTF(Cache, "Snoop hit in writeback to blk_addr: %x\n", pkt->getAddr() & (((ULL(1))<<48)-1));
 
             //Look through writebacks for any non-uncachable writes, use that
@@ -461,9 +461,9 @@ Cache<TagStore,Buffering,Coherence>::snoopResponse(Packet * &pkt)
 
 template<class TagStore, class Buffering, class Coherence>
 void
-Cache<TagStore,Buffering,Coherence>::invalidateBlk(Addr addr, int asid)
+Cache<TagStore,Buffering,Coherence>::invalidateBlk(Addr addr)
 {
-    tags->invalidateBlk(addr,asid);
+    tags->invalidateBlk(addr);
 }
 
 
@@ -479,8 +479,8 @@ Cache<TagStore,Buffering,Coherence>::probe(Packet * &pkt, bool update)
         if (pkt->isInvalidate() && !pkt->isRead()
             && !pkt->isWrite()) {
             //Upgrade or Invalidate, satisfy it, don't forward
-            DPRINTF(Cache, "%s %d %x ? blk_addr: %x\n", pkt->cmdString(),
-                    pkt->req->getAsid(), pkt->getAddr() & (((ULL(1))<<48)-1),
+            DPRINTF(Cache, "%s %x ? blk_addr: %x\n", pkt->cmdString(),
+                    pkt->getAddr() & (((ULL(1))<<48)-1),
                     pkt->getAddr() & ~((Addr)blkSize - 1));
             pkt->flags |= SATISFIED;
             return 0;
@@ -496,11 +496,11 @@ Cache<TagStore,Buffering,Coherence>::probe(Packet * &pkt, bool update)
         Addr blk_addr = pkt->getAddr() & ~(blkSize - 1);
 
         // There can only be one matching outstanding miss.
-        MSHR* mshr = missQueue->findMSHR(blk_addr, pkt->req->getAsid());
+        MSHR* mshr = missQueue->findMSHR(blk_addr);
 
         // There can be many matching outstanding writes.
         std::vector<MSHR*> writes;
-        missQueue->findWrites(blk_addr, pkt->req->getAsid(), writes);
+        missQueue->findWrites(blk_addr, writes);
 
         if (!update) {
             memSidePort->sendFunctional(pkt);
@@ -645,7 +645,7 @@ Cache<TagStore,Buffering,Coherence>::snoopProbe(PacketPtr &pkt, bool update)
 {
     Addr blk_addr = pkt->getAddr() & ~(Addr(blkSize-1));
     BlkType *blk = tags->findBlock(pkt);
-    MSHR *mshr = missQueue->findMSHR(blk_addr, pkt->req->getAsid());
+    MSHR *mshr = missQueue->findMSHR(blk_addr);
     CacheBlk::State new_state = 0;
     bool satisfy = coherence->handleBusRequest(pkt,blk,mshr, new_state);
     if (satisfy) {
diff --git a/src/mem/cache/miss/blocking_buffer.cc b/src/mem/cache/miss/blocking_buffer.cc
index 2f61e8a54..67fc7ae56 100644
--- a/src/mem/cache/miss/blocking_buffer.cc
+++ b/src/mem/cache/miss/blocking_buffer.cc
@@ -76,7 +76,7 @@ BlockingBuffer::handleMiss(Packet * &pkt, int blk_size, Tick time)
         if (!pkt->needsResponse()) {
             wb.allocateAsBuffer(pkt);
         } else {
-            wb.allocate(pkt->cmd, blk_addr, pkt->req->getAsid(), blk_size, pkt);
+            wb.allocate(pkt->cmd, blk_addr, blk_size, pkt);
         }
 
         memcpy(wb.pkt->getPtr<uint8_t>(), pkt->getPtr<uint8_t>(), blk_size);
@@ -89,7 +89,7 @@ BlockingBuffer::handleMiss(Packet * &pkt, int blk_size, Tick time)
     if (!pkt->needsResponse()) {
         miss.allocateAsBuffer(pkt);
     } else {
-        miss.allocate(pkt->cmd, blk_addr, pkt->req->getAsid(), blk_size, pkt);
+        miss.allocate(pkt->cmd, blk_addr, blk_size, pkt);
     }
     if (!pkt->req->isUncacheable()) {
         miss.pkt->flags |= CACHE_LINE_FILL;
@@ -202,7 +202,7 @@ BlockingBuffer::squash(int threadNum)
 }
 
 void
-BlockingBuffer::doWriteback(Addr addr, int asid,
+BlockingBuffer::doWriteback(Addr addr,
                             int size, uint8_t *data, bool compressed)
 {
     // Generate request
diff --git a/src/mem/cache/miss/blocking_buffer.hh b/src/mem/cache/miss/blocking_buffer.hh
index a6261f62c..641d5a798 100644
--- a/src/mem/cache/miss/blocking_buffer.hh
+++ b/src/mem/cache/miss/blocking_buffer.hh
@@ -121,7 +121,7 @@ public:
      * @param time The time the miss is detected.
      * @param target The target for the fetch.
      */
-    MSHR* fetchBlock(Addr addr, int asid, int blk_size, Tick time,
+    MSHR* fetchBlock(Addr addr, int blk_size, Tick time,
                      Packet * &target)
     {
         fatal("Unimplemented");
@@ -183,7 +183,7 @@ public:
      * @param asid The address space id.
      * @return A pointer to miss if it matches.
      */
-    MSHR* findMSHR(Addr addr, int asid)
+    MSHR* findMSHR(Addr addr)
     {
         if (miss.addr == addr && miss.pkt)
             return &miss;
@@ -197,7 +197,7 @@ public:
      * @param writes List of pointers to the matching writes.
      * @return True if there is a matching write.
      */
-    bool findWrites(Addr addr, int asid, std::vector<MSHR*>& writes)
+    bool findWrites(Addr addr, std::vector<MSHR*>& writes)
     {
         if (wb.addr == addr && wb.pkt) {
             writes.push_back(&wb);
@@ -216,7 +216,7 @@ public:
      * @param data The data to write, can be NULL.
      * @param compressed True if the data is compressed.
      */
-    void doWriteback(Addr addr, int asid,
+    void doWriteback(Addr addr,
                      int size, uint8_t *data, bool compressed);
 
     /**
@@ -247,7 +247,7 @@ public:
     /**
      * Dummy implmentation.
      */
-    MSHR* allocateTargetList(Addr addr, int asid)
+    MSHR* allocateTargetList(Addr addr)
     {
         fatal("Unimplemented");
     }
diff --git a/src/mem/cache/miss/miss_queue.cc b/src/mem/cache/miss/miss_queue.cc
index 4a3dc1062..76fb25716 100644
--- a/src/mem/cache/miss/miss_queue.cc
+++ b/src/mem/cache/miss/miss_queue.cc
@@ -410,7 +410,7 @@ MissQueue::handleMiss(Packet * &pkt, int blkSize, Tick time)
     Addr blkAddr = pkt->getAddr() & ~(Addr)(blkSize-1);
     MSHR* mshr = NULL;
     if (!pkt->req->isUncacheable()) {
-        mshr = mq.findMatch(blkAddr, pkt->req->getAsid());
+        mshr = mq.findMatch(blkAddr);
         if (mshr) {
             //@todo remove hw_pf here
             mshr_hits[pkt->cmdToIndex()][pkt->req->getThreadNum()]++;
@@ -454,12 +454,12 @@ MissQueue::handleMiss(Packet * &pkt, int blkSize, Tick time)
 }
 
 MSHR*
-MissQueue::fetchBlock(Addr addr, int asid, int blk_size, Tick time,
+MissQueue::fetchBlock(Addr addr, int blk_size, Tick time,
                       Packet * &target)
 {
     Addr blkAddr = addr & ~(Addr)(blk_size - 1);
-    assert(mq.findMatch(addr, asid) == NULL);
-    MSHR *mshr = mq.allocateFetch(blkAddr, asid, blk_size, target);
+    assert(mq.findMatch(addr) == NULL);
+    MSHR *mshr = mq.allocateFetch(blkAddr, blk_size, target);
     mshr->order = order++;
     mshr->pkt->flags |= CACHE_LINE_FILL;
     if (mq.isFull()) {
@@ -697,19 +697,19 @@ MissQueue::squash(int threadNum)
 }
 
 MSHR*
-MissQueue::findMSHR(Addr addr, int asid) const
+MissQueue::findMSHR(Addr addr) const
 {
-    return mq.findMatch(addr,asid);
+    return mq.findMatch(addr);
 }
 
 bool
-MissQueue::findWrites(Addr addr, int asid, vector<MSHR*> &writes) const
+MissQueue::findWrites(Addr addr, vector<MSHR*> &writes) const
 {
-    return wb.findMatches(addr,asid,writes);
+    return wb.findMatches(addr,writes);
 }
 
 void
-MissQueue::doWriteback(Addr addr, int asid,
+MissQueue::doWriteback(Addr addr,
                        int size, uint8_t *data, bool compressed)
 {
     // Generate request
@@ -740,9 +740,9 @@ MissQueue::doWriteback(Packet * &pkt)
 
 
 MSHR*
-MissQueue::allocateTargetList(Addr addr, int asid)
+MissQueue::allocateTargetList(Addr addr)
 {
-   MSHR* mshr = mq.allocateTargetList(addr, asid, blkSize);
+   MSHR* mshr = mq.allocateTargetList(addr, blkSize);
    mshr->pkt->flags |= CACHE_LINE_FILL;
    if (mq.isFull()) {
        cache->setBlocked(Blocked_NoMSHRs);
diff --git a/src/mem/cache/miss/miss_queue.hh b/src/mem/cache/miss/miss_queue.hh
index c558df956..505d1f90c 100644
--- a/src/mem/cache/miss/miss_queue.hh
+++ b/src/mem/cache/miss/miss_queue.hh
@@ -228,7 +228,7 @@ class MissQueue
      * @param time The time the miss is detected.
      * @param target The target for the fetch.
      */
-    MSHR* fetchBlock(Addr addr, int asid, int blk_size, Tick time,
+    MSHR* fetchBlock(Addr addr, int blk_size, Tick time,
                      Packet * &target);
 
     /**
@@ -289,7 +289,7 @@ class MissQueue
      * @warning Currently only searches the miss queue. If non write allocate
      * might need to search the write buffer for coherence.
      */
-    MSHR* findMSHR(Addr addr, int asid) const;
+    MSHR* findMSHR(Addr addr) const;
 
     /**
      * Searches for the supplied address in the write buffer.
@@ -298,7 +298,7 @@ class MissQueue
      * @param writes The list of writes that match the address.
      * @return True if any writes are found
      */
-    bool findWrites(Addr addr, int asid, std::vector<MSHR*>& writes) const;
+    bool findWrites(Addr addr, std::vector<MSHR*>& writes) const;
 
     /**
      * Perform a writeback of dirty data to the given address.
@@ -309,7 +309,7 @@ class MissQueue
      * @param data The data to write, can be NULL.
      * @param compressed True if the data is compressed.
      */
-    void doWriteback(Addr addr, int asid,
+    void doWriteback(Addr addr,
                      int size, uint8_t *data, bool compressed);
 
     /**
@@ -342,7 +342,7 @@ class MissQueue
      * @param asid The address space ID.
      * @return A pointer to the allocated MSHR.
      */
-    MSHR* allocateTargetList(Addr addr, int asid);
+    MSHR* allocateTargetList(Addr addr);
 
 };
 
diff --git a/src/mem/cache/miss/mshr.cc b/src/mem/cache/miss/mshr.cc
index db2f40c56..64bcbb833 100644
--- a/src/mem/cache/miss/mshr.cc
+++ b/src/mem/cache/miss/mshr.cc
@@ -54,7 +54,7 @@ MSHR::MSHR()
 }
 
 void
-MSHR::allocate(Packet::Command cmd, Addr _addr, int _asid, int size,
+MSHR::allocate(Packet::Command cmd, Addr _addr, int size,
                Packet * &target)
 {
     addr = _addr;
@@ -88,7 +88,6 @@ void
 MSHR::allocateAsBuffer(Packet * &target)
 {
     addr = target->getAddr();
-    asid = target->req->getAsid();
     threadNum = target->req->getThreadNum();
     pkt = new Packet(target->req, target->cmd, -1);
     pkt->allocate();
@@ -159,9 +158,9 @@ MSHR::dump()
 {
     ccprintf(cerr,
              "inService: %d thread: %d\n"
-             "Addr: %x asid: %d ntargets %d\n"
+             "Addr: %x ntargets %d\n"
              "Targets:\n",
-             inService, threadNum, addr, asid, ntargets);
+             inService, threadNum, addr, ntargets);
 
     TargetListIterator tar_it = targets.begin();
     for (int i = 0; i < ntargets; i++) {
diff --git a/src/mem/cache/miss/mshr.hh b/src/mem/cache/miss/mshr.hh
index ad2865973..028259b35 100644
--- a/src/mem/cache/miss/mshr.hh
+++ b/src/mem/cache/miss/mshr.hh
@@ -100,7 +100,7 @@ public:
      * @param size The number of bytes to pktuest.
      * @param pkt  The original miss.
      */
-    void allocate(Packet::Command cmd, Addr addr, int asid, int size,
+    void allocate(Packet::Command cmd, Addr addr, int size,
                   Packet * &pkt);
 
     /**
diff --git a/src/mem/cache/miss/mshr_queue.cc b/src/mem/cache/miss/mshr_queue.cc
index 6516a99f8..f13f48dec 100644
--- a/src/mem/cache/miss/mshr_queue.cc
+++ b/src/mem/cache/miss/mshr_queue.cc
@@ -55,7 +55,7 @@ MSHRQueue::~MSHRQueue()
 }
 
 MSHR*
-MSHRQueue::findMatch(Addr addr, int asid) const
+MSHRQueue::findMatch(Addr addr) const
 {
     MSHR::ConstIterator i = allocatedList.begin();
     MSHR::ConstIterator end = allocatedList.end();
@@ -69,7 +69,7 @@ MSHRQueue::findMatch(Addr addr, int asid) const
 }
 
 bool
-MSHRQueue::findMatches(Addr addr, int asid, vector<MSHR*>& matches) const
+MSHRQueue::findMatches(Addr addr, vector<MSHR*>& matches) const
 {
     // Need an empty vector
     assert(matches.empty());
@@ -136,7 +136,7 @@ MSHRQueue::allocate(Packet * &pkt, int size)
         mshr->allocateAsBuffer(pkt);
     } else {
         assert(size !=0);
-        mshr->allocate(pkt->cmd, aligned_addr, pkt->req->getAsid(), size, pkt);
+        mshr->allocate(pkt->cmd, aligned_addr, size, pkt);
         allocatedTargets += 1;
     }
     mshr->allocIter = allocatedList.insert(allocatedList.end(), mshr);
@@ -147,12 +147,12 @@ MSHRQueue::allocate(Packet * &pkt, int size)
 }
 
 MSHR*
-MSHRQueue::allocateFetch(Addr addr, int asid, int size, Packet * &target)
+MSHRQueue::allocateFetch(Addr addr, int size, Packet * &target)
 {
     MSHR *mshr = freeList.front();
     assert(mshr->getNumTargets() == 0);
     freeList.pop_front();
-    mshr->allocate(Packet::ReadReq, addr, asid, size, target);
+    mshr->allocate(Packet::ReadReq, addr, size, target);
     mshr->allocIter = allocatedList.insert(allocatedList.end(), mshr);
     mshr->readyIter = pendingList.insert(pendingList.end(), mshr);
 
@@ -161,13 +161,13 @@ MSHRQueue::allocateFetch(Addr addr, int asid, int size, Packet * &target)
 }
 
 MSHR*
-MSHRQueue::allocateTargetList(Addr addr, int asid, int size)
+MSHRQueue::allocateTargetList(Addr addr, int size)
 {
     MSHR *mshr = freeList.front();
     assert(mshr->getNumTargets() == 0);
     freeList.pop_front();
     Packet * dummy;
-    mshr->allocate(Packet::ReadReq, addr, asid, size, dummy);
+    mshr->allocate(Packet::ReadReq, addr, size, dummy);
     mshr->allocIter = allocatedList.insert(allocatedList.end(), mshr);
     mshr->inService = true;
     ++inServiceMSHRs;
diff --git a/src/mem/cache/miss/mshr_queue.hh b/src/mem/cache/miss/mshr_queue.hh
index 02b6a026d..ea5f101b7 100644
--- a/src/mem/cache/miss/mshr_queue.hh
+++ b/src/mem/cache/miss/mshr_queue.hh
@@ -90,7 +90,7 @@ class MSHRQueue {
      * @param asid The address space id.
      * @return Pointer to the matching MSHR, null if not found.
      */
-    MSHR* findMatch(Addr addr, int asid) const;
+    MSHR* findMatch(Addr addr) const;
 
     /**
      * Find and return all the matching MSHRs in the provided vector.
@@ -100,7 +100,7 @@ class MSHRQueue {
      * @return True if any matches are found, false otherwise.
      * @todo Typedef the vector??
      */
-    bool findMatches(Addr addr, int asid, std::vector<MSHR*>& matches) const;
+    bool findMatches(Addr addr, std::vector<MSHR*>& matches) const;
 
     /**
      * Find any pending pktuests that overlap the given request.
@@ -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 asid, int size, Packet * &target);
+    MSHR* allocateFetch(Addr addr, int size, Packet * &target);
 
     /**
      * Allocate a target list for the given address.
@@ -138,7 +138,7 @@ class MSHRQueue {
      * @param size The number of bytes to pktuest.
      * @return Pointer to the new MSHR.
      */
-    MSHR* allocateTargetList(Addr addr, int asid, int size);
+    MSHR* allocateTargetList(Addr addr, int size);
 
     /**
      * Removes the given MSHR from the queue. This places the MSHR on the
diff --git a/src/mem/cache/prefetch/base_prefetcher.cc b/src/mem/cache/prefetch/base_prefetcher.cc
index 897551989..5e50c48bd 100644
--- a/src/mem/cache/prefetch/base_prefetcher.cc
+++ b/src/mem/cache/prefetch/base_prefetcher.cc
@@ -198,7 +198,7 @@ BasePrefetcher::handleMiss(Packet * &pkt, Tick time)
             }
 
             //Check if it is already in the miss_queue
-            if (inMissQueue(prefetch->getAddr(), prefetch->req->getAsid())) {
+            if (inMissQueue(prefetch->getAddr())) {
                 addr++;
                 delay++;
                 continue;
diff --git a/src/mem/cache/prefetch/base_prefetcher.hh b/src/mem/cache/prefetch/base_prefetcher.hh
index 3e4fc89d1..d7ea41961 100644
--- a/src/mem/cache/prefetch/base_prefetcher.hh
+++ b/src/mem/cache/prefetch/base_prefetcher.hh
@@ -108,7 +108,7 @@ class BasePrefetcher
 
     virtual bool inCache(Packet * &pkt) = 0;
 
-    virtual bool inMissQueue(Addr address, int asid) = 0;
+    virtual bool inMissQueue(Addr address) = 0;
 
     std::list<Packet *>::iterator inPrefetch(Addr address);
 };
diff --git a/src/mem/cache/tags/fa_lru.cc b/src/mem/cache/tags/fa_lru.cc
index 82d2c410d..784ba1311 100644
--- a/src/mem/cache/tags/fa_lru.cc
+++ b/src/mem/cache/tags/fa_lru.cc
@@ -145,7 +145,7 @@ FALRU::hashLookup(Addr addr) const
 }
 
 bool
-FALRU::probe(int asid, Addr addr) const
+FALRU::probe(Addr addr) const
 {
     Addr blkAddr = blkAlign(addr);
     FALRUBlk* blk = hashLookup(blkAddr);
@@ -153,7 +153,7 @@ FALRU::probe(int asid, Addr addr) const
 }
 
 void
-FALRU::invalidateBlk(int asid, Addr addr)
+FALRU::invalidateBlk(Addr addr)
 {
     Addr blkAddr = blkAlign(addr);
     FALRUBlk* blk = (*tagHash.find(blkAddr)).second;
@@ -166,7 +166,7 @@ FALRU::invalidateBlk(int asid, Addr addr)
 }
 
 FALRUBlk*
-FALRU::findBlock(Addr addr, int asid, int &lat, int *inCache)
+FALRU::findBlock(Addr addr, int &lat, int *inCache)
 {
     accesses++;
     int tmp_in_cache = 0;
@@ -242,7 +242,7 @@ FALRU::findBlock(Packet * &pkt, int &lat, int *inCache)
 }
 
 FALRUBlk*
-FALRU::findBlock(Addr addr, int asid) const
+FALRU::findBlock(Addr addr) const
 {
     Addr blkAddr = blkAlign(addr);
     FALRUBlk* blk = hashLookup(blkAddr);
diff --git a/src/mem/cache/tags/fa_lru.hh b/src/mem/cache/tags/fa_lru.hh
index 444954917..f9d4d7109 100644
--- a/src/mem/cache/tags/fa_lru.hh
+++ b/src/mem/cache/tags/fa_lru.hh
@@ -170,14 +170,14 @@ public:
      * @param addr The address to look for.
      * @return True if the address is in the cache.
      */
-    bool probe(int asid, Addr addr) const;
+    bool probe(Addr addr) const;
 
     /**
      * Invalidate the cache block that contains the given addr.
      * @param asid The address space ID.
      * @param addr The address to invalidate.
      */
-    void invalidateBlk(int asid, Addr addr);
+    void invalidateBlk(Addr addr);
 
     /**
      * Find the block in the cache and update the replacement data. Returns
@@ -188,7 +188,7 @@ public:
      * @param inCache The FALRUBlk::inCache flags.
      * @return Pointer to the cache block.
      */
-    FALRUBlk* findBlock(Addr addr, int asid, int &lat, int *inCache = 0);
+    FALRUBlk* findBlock(Addr addr, int &lat, int *inCache = 0);
 
     /**
      * Find the block in the cache and update the replacement data. Returns
@@ -206,7 +206,7 @@ public:
      * @param asid The address space ID.
      * @return Pointer to the cache block.
      */
-    FALRUBlk* findBlock(Addr addr, int asid) const;
+    FALRUBlk* findBlock(Addr addr) const;
 
     /**
      * Find a replacement block for the address provided.
@@ -330,7 +330,7 @@ public:
      * @param asid The address space ID.
      * @param writebacks List for any generated writeback pktuests.
      */
-    void doCopy(Addr source, Addr dest, int asid, PacketList &writebacks)
+    void doCopy(Addr source, Addr dest, PacketList &writebacks)
     {
     }
 
diff --git a/src/mem/cache/tags/iic.cc b/src/mem/cache/tags/iic.cc
index 847fabc88..1377c8613 100644
--- a/src/mem/cache/tags/iic.cc
+++ b/src/mem/cache/tags/iic.cc
@@ -221,13 +221,13 @@ IIC::regStats(const string &name)
 
 // probe cache for presence of given block.
 bool
-IIC::probe(int asid, Addr addr) const
+IIC::probe(Addr addr) const
 {
-    return (findBlock(addr,asid) != NULL);
+    return (findBlock(addr) != NULL);
 }
 
 IICTag*
-IIC::findBlock(Addr addr, int asid, int &lat)
+IIC::findBlock(Addr addr, int &lat)
 {
     Addr tag = extractTag(addr);
     unsigned set = hash(addr);
@@ -238,11 +238,11 @@ IIC::findBlock(Addr addr, int asid, int &lat)
     if (PROFILE_IIC)
         setAccess.sample(set);
 
-    IICTag *tag_ptr = sets[set].findTag(asid, tag, chain_ptr);
+    IICTag *tag_ptr = sets[set].findTag(tag, chain_ptr);
     set_lat = 1;
     if (tag_ptr == NULL && chain_ptr != tagNull) {
         int secondary_depth;
-        tag_ptr = secondaryChain(asid, tag, chain_ptr, &secondary_depth);
+        tag_ptr = secondaryChain(tag, chain_ptr, &secondary_depth);
         set_lat += secondary_depth;
         // set depth for statistics fix this later!!! egh
         sets[set].depth = set_lat;
@@ -252,7 +252,7 @@ IIC::findBlock(Addr addr, int asid, int &lat)
             // need to preserve chain: fix this egh
             sets[set].tags[assoc-1]->chain_ptr = tag_ptr->chain_ptr;
             tagSwap(tag_ptr - tagStore, sets[set].tags[assoc-1] - tagStore);
-            tag_ptr = sets[set].findTag(asid, tag, chain_ptr);
+            tag_ptr = sets[set].findTag(tag, chain_ptr);
             assert(tag_ptr!=NULL);
         }
 
@@ -288,7 +288,6 @@ IICTag*
 IIC::findBlock(Packet * &pkt, int &lat)
 {
     Addr addr = pkt->getAddr();
-    int asid = pkt->req->getAsid();
 
     Addr tag = extractTag(addr);
     unsigned set = hash(addr);
@@ -299,11 +298,11 @@ IIC::findBlock(Packet * &pkt, int &lat)
     if (PROFILE_IIC)
         setAccess.sample(set);
 
-    IICTag *tag_ptr = sets[set].findTag(asid, tag, chain_ptr);
+    IICTag *tag_ptr = sets[set].findTag(tag, chain_ptr);
     set_lat = 1;
     if (tag_ptr == NULL && chain_ptr != tagNull) {
         int secondary_depth;
-        tag_ptr = secondaryChain(asid, tag, chain_ptr, &secondary_depth);
+        tag_ptr = secondaryChain(tag, chain_ptr, &secondary_depth);
         set_lat += secondary_depth;
         // set depth for statistics fix this later!!! egh
         sets[set].depth = set_lat;
@@ -313,7 +312,7 @@ IIC::findBlock(Packet * &pkt, int &lat)
             // need to preserve chain: fix this egh
             sets[set].tags[assoc-1]->chain_ptr = tag_ptr->chain_ptr;
             tagSwap(tag_ptr - tagStore, sets[set].tags[assoc-1] - tagStore);
-            tag_ptr = sets[set].findTag(asid, tag, chain_ptr);
+            tag_ptr = sets[set].findTag(tag, chain_ptr);
             assert(tag_ptr!=NULL);
         }
 
@@ -346,17 +345,17 @@ IIC::findBlock(Packet * &pkt, int &lat)
 }
 
 IICTag*
-IIC::findBlock(Addr addr, int asid) const
+IIC::findBlock(Addr addr) const
 {
     Addr tag = extractTag(addr);
     unsigned set = hash(addr);
 
     unsigned long chain_ptr;
 
-    IICTag *tag_ptr = sets[set].findTag(asid, tag, chain_ptr);
+    IICTag *tag_ptr = sets[set].findTag(tag, chain_ptr);
     if (tag_ptr == NULL && chain_ptr != tagNull) {
         int secondary_depth;
-        tag_ptr = secondaryChain(asid, tag, chain_ptr, &secondary_depth);
+        tag_ptr = secondaryChain(tag, chain_ptr, &secondary_depth);
     }
     return tag_ptr;
 }
@@ -658,7 +657,7 @@ IIC::tagSwap(unsigned long index1, unsigned long index2)
 
 
 IICTag *
-IIC::secondaryChain(int asid, Addr tag, unsigned long chain_ptr,
+IIC::secondaryChain(Addr tag, unsigned long chain_ptr,
                     int *_depth) const
 {
     int depth = 0;
@@ -666,7 +665,6 @@ IIC::secondaryChain(int asid, Addr tag, unsigned long chain_ptr,
         DPRINTF(IIC,"Searching secondary at %d for %x\n", chain_ptr,
                 tag<<tagShift);
         if (tagStore[chain_ptr].tag == tag &&
-            tagStore[chain_ptr].asid == asid &&
             (tagStore[chain_ptr].isValid())) {
             *_depth = depth;
             return &tagStore[chain_ptr];
@@ -697,9 +695,9 @@ IIC::compressBlock(unsigned long index)
 }
 
 void
-IIC::invalidateBlk(int asid, Addr addr)
+IIC::invalidateBlk(Addr addr)
 {
-    IICTag* tag_ptr = findBlock(addr, asid);
+    IICTag* tag_ptr = findBlock(addr);
     if (tag_ptr) {
         for (int i = 0; i < tag_ptr->numData; ++i) {
             dataReferenceCount[tag_ptr->data_ptr[i]]--;
@@ -781,11 +779,11 @@ IIC::writeData(IICTag *blk, uint8_t *write_data, int size,
  * @todo This code can break if the src is evicted to get a tag for the dest.
  */
 void
-IIC::doCopy(Addr source, Addr dest, int asid, PacketList &writebacks)
+IIC::doCopy(Addr source, Addr dest, PacketList &writebacks)
 {
 //Copy unsuported now
 #if 0
-    IICTag *dest_tag = findBlock(dest, asid);
+    IICTag *dest_tag = findBlock(dest);
 
     if (dest_tag) {
         for (int i = 0; i < dest_tag->numData; ++i) {
@@ -799,12 +797,11 @@ IIC::doCopy(Addr source, Addr dest, int asid, PacketList &writebacks)
         dest_tag->re = (void*) repl->add(dest_tag - tagStore);
         dest_tag->set = hash(dest);
         dest_tag->tag = extractTag(dest);
-        dest_tag->asid = asid;
         dest_tag->status = BlkValid | BlkWritable;
     }
     // Find the source tag here since it might move if we need to find a
     // tag for the destination.
-    IICTag *src_tag = findBlock(source, asid);
+    IICTag *src_tag = findBlock(source);
     assert(src_tag);
     assert(!cache->doData() || src_tag->size <= trivialSize
            || src_tag->numData > 0);
@@ -841,7 +838,7 @@ IIC::fixCopy(Packet * &pkt, PacketList &writebacks)
     // if reference counter is greater than 1, do copy
     // else do write
     Addr blk_addr = blkAlign(pkt->getAddr);
-    IICTag* blk = findBlock(blk_addr, pkt->req->getAsid());
+    IICTag* blk = findBlock(blk_addr);
 
     if (blk->numData > 0 && dataReferenceCount[blk->data_ptr[0]] != 1) {
         // copy the data
@@ -853,7 +850,7 @@ IIC::fixCopy(Packet * &pkt, PacketList &writebacks)
             /**
              * @todo Remove this refetch once we change IIC to pointer based
              */
-            blk = findBlock(blk_addr, pkt->req->getAsid());
+            blk = findBlock(blk_addr);
             assert(blk);
             if (cache->doData()) {
                 memcpy(&(dataBlks[new_data][0]),
diff --git a/src/mem/cache/tags/iic.hh b/src/mem/cache/tags/iic.hh
index 514d16bdd..2357bdce3 100644
--- a/src/mem/cache/tags/iic.hh
+++ b/src/mem/cache/tags/iic.hh
@@ -117,7 +117,7 @@ class IICSet{
      * @param chain_ptr The chain pointer to start the search of the secondary
      * @return Pointer to the tag, NULL if not found.
      */
-    IICTag* findTag(int asid, Addr tag, unsigned long &chain_ptr)
+    IICTag* findTag( Addr tag, unsigned long &chain_ptr)
     {
         depth = 1;
         for (int i = 0; i < assoc; ++i) {
@@ -401,7 +401,7 @@ class IIC : public BaseTags
      * @param addr The address to find.
      * @return true if it is found.
      */
-    bool probe(int asid, Addr addr) const;
+    bool probe(Addr addr) const;
 
     /**
      * Swap the position of two tags.
@@ -439,7 +439,7 @@ class IIC : public BaseTags
      * @param asid The address space ID.
      * @param addr The address to invalidate.
      */
-    void invalidateBlk(int asid, Addr addr);
+    void invalidateBlk(Addr addr);
 
     /**
      * Find the block and update the replacement data. This call also returns
@@ -449,7 +449,7 @@ class IIC : public BaseTags
      * @param lat The access latency.
      * @return A pointer to the block found, if any.
      */
-    IICTag* findBlock(Addr addr, int asid, int &lat);
+    IICTag* findBlock(Addr addr, int &lat);
 
     /**
      * Find the block and update the replacement data. This call also returns
@@ -466,7 +466,7 @@ class IIC : public BaseTags
      * @param asid The address space ID.
      * @return A pointer to the block found, if any.
      */
-    IICTag* findBlock(Addr addr, int asid) const;
+    IICTag* findBlock(Addr addr) const;
 
     /**
      * Find a replacement block for the address provided.
@@ -504,7 +504,7 @@ class IIC : public BaseTags
      * @param asid The address space DI.
      * @param writebacks List for any generated writeback pktuests.
      */
-    void doCopy(Addr source, Addr dest, int asid, PacketList &writebacks);
+    void doCopy(Addr source, Addr dest, PacketList &writebacks);
 
     /**
      * If a block is currently marked copy on write, copy it before writing.
@@ -534,7 +534,7 @@ private:
      * @param depth The number of hash lookups made while searching.
      * @return A pointer to the block if found.
      */
-    IICTag *secondaryChain(int asid, Addr tag, unsigned long chain_ptr,
+    IICTag *secondaryChain(Addr tag, unsigned long chain_ptr,
                             int *depth) const;
 
     /**
diff --git a/src/mem/cache/tags/lru.cc b/src/mem/cache/tags/lru.cc
index 556025a3a..976bbeff2 100644
--- a/src/mem/cache/tags/lru.cc
+++ b/src/mem/cache/tags/lru.cc
@@ -43,7 +43,7 @@
 using namespace std;
 
 LRUBlk*
-CacheSet::findBlk(int asid, Addr tag) const
+CacheSet::findBlk(Addr tag) const
 {
     for (int i = 0; i < assoc; ++i) {
         if (blks[i]->tag == tag && blks[i]->isValid()) {
@@ -135,7 +135,6 @@ LRU::LRU(int _numSets, int _blkSize, int _assoc, int _hit_latency) :
             // table; won't matter because the block is invalid
             blk->tag = j;
             blk->whenReady = 0;
-            blk->asid = -1;
             blk->isTouched = false;
             blk->size = blkSize;
             sets[i].blks[j]=blk;
@@ -153,23 +152,23 @@ LRU::~LRU()
 
 // probe cache for presence of given block.
 bool
-LRU::probe(int asid, Addr addr) const
+LRU::probe(Addr addr) const
 {
     //  return(findBlock(Read, addr, asid) != 0);
     Addr tag = extractTag(addr);
     unsigned myset = extractSet(addr);
 
-    LRUBlk *blk = sets[myset].findBlk(asid, tag);
+    LRUBlk *blk = sets[myset].findBlk(tag);
 
     return (blk != NULL);	// true if in cache
 }
 
 LRUBlk*
-LRU::findBlock(Addr addr, int asid, int &lat)
+LRU::findBlock(Addr addr, int &lat)
 {
     Addr tag = extractTag(addr);
     unsigned set = extractSet(addr);
-    LRUBlk *blk = sets[set].findBlk(asid, tag);
+    LRUBlk *blk = sets[set].findBlk(tag);
     lat = hitLatency;
     if (blk != NULL) {
         // move this block to head of the MRU list
@@ -188,11 +187,10 @@ LRUBlk*
 LRU::findBlock(Packet * &pkt, int &lat)
 {
     Addr addr = pkt->getAddr();
-    int asid = 0;//pkt->req->getAsid();
 
     Addr tag = extractTag(addr);
     unsigned set = extractSet(addr);
-    LRUBlk *blk = sets[set].findBlk(asid, tag);
+    LRUBlk *blk = sets[set].findBlk(tag);
     lat = hitLatency;
     if (blk != NULL) {
         // move this block to head of the MRU list
@@ -208,11 +206,11 @@ LRU::findBlock(Packet * &pkt, int &lat)
 }
 
 LRUBlk*
-LRU::findBlock(Addr addr, int asid) const
+LRU::findBlock(Addr addr) const
 {
     Addr tag = extractTag(addr);
     unsigned set = extractSet(addr);
-    LRUBlk *blk = sets[set].findBlk(asid, tag);
+    LRUBlk *blk = sets[set].findBlk(tag);
     return blk;
 }
 
@@ -242,9 +240,9 @@ LRU::findReplacement(Packet * &pkt, PacketList &writebacks,
 }
 
 void
-LRU::invalidateBlk(int asid, Addr addr)
+LRU::invalidateBlk(Addr addr)
 {
-    LRUBlk *blk = findBlock(addr, asid);
+    LRUBlk *blk = findBlock(addr);
     if (blk) {
         blk->status = 0;
         blk->isTouched = false;
@@ -253,13 +251,13 @@ LRU::invalidateBlk(int asid, Addr addr)
 }
 
 void
-LRU::doCopy(Addr source, Addr dest, int asid, PacketList &writebacks)
+LRU::doCopy(Addr source, Addr dest, PacketList &writebacks)
 {
     assert(source == blkAlign(source));
     assert(dest == blkAlign(dest));
-    LRUBlk *source_blk = findBlock(source, asid);
+    LRUBlk *source_blk = findBlock(source);
     assert(source_blk);
-    LRUBlk *dest_blk = findBlock(dest, asid);
+    LRUBlk *dest_blk = findBlock(dest);
     if (dest_blk == NULL) {
         // Need to do a replacement
         Request *search = new Request(dest,1,0);
@@ -285,7 +283,6 @@ LRU::doCopy(Addr source, Addr dest, int asid, PacketList &writebacks)
             writebacks.push_back(writeback);
         }
         dest_blk->tag = extractTag(dest);
-        dest_blk->asid = asid;
         delete search;
         delete pkt;
     }
diff --git a/src/mem/cache/tags/lru.hh b/src/mem/cache/tags/lru.hh
index 8f0f3ae27..a3a56a0e6 100644
--- a/src/mem/cache/tags/lru.hh
+++ b/src/mem/cache/tags/lru.hh
@@ -72,7 +72,7 @@ class CacheSet
      * @param tag The Tag to find.
      * @return Pointer to the block if found.
      */
-    LRUBlk* findBlk(int asid, Addr tag) const;
+    LRUBlk* findBlk(Addr tag) const;
 
     /**
      * Move the given block to the head of the list.
@@ -158,14 +158,14 @@ public:
      * @param addr The address to find.
      * @return True if the address is in the cache.
      */
-    bool probe(int asid, Addr addr) const;
+    bool probe(Addr addr) const;
 
     /**
      * Invalidate the block containing the given address.
      * @param asid The address space ID.
      * @param addr The address to invalidate.
      */
-    void invalidateBlk(int asid, Addr addr);
+    void invalidateBlk(Addr addr);
 
     /**
      * Finds the given address in the cache and update replacement data.
@@ -184,7 +184,7 @@ public:
      * @param lat The access latency.
      * @return Pointer to the cache block if found.
      */
-    LRUBlk* findBlock(Addr addr, int asid, int &lat);
+    LRUBlk* findBlock(Addr addr, int &lat);
 
     /**
      * Finds the given address in the cache, do not update replacement data.
@@ -192,7 +192,7 @@ public:
      * @param asid The address space ID.
      * @return Pointer to the cache block if found.
      */
-    LRUBlk* findBlock(Addr addr, int asid) const;
+    LRUBlk* findBlock(Addr addr) const;
 
     /**
      * Find a replacement block for the address provided.
@@ -309,7 +309,7 @@ public:
      * @param asid The address space DI.
      * @param writebacks List for any generated writeback pktuests.
      */
-    void doCopy(Addr source, Addr dest, int asid, PacketList &writebacks);
+    void doCopy(Addr source, Addr dest, PacketList &writebacks);
 
     /**
      * No impl.
diff --git a/src/mem/cache/tags/split.cc b/src/mem/cache/tags/split.cc
index bf23fb8cb..690eea22e 100644
--- a/src/mem/cache/tags/split.cc
+++ b/src/mem/cache/tags/split.cc
@@ -253,14 +253,14 @@ Split::regStats(const string &name)
 
 // probe cache for presence of given block.
 bool
-Split::probe(int asid, Addr addr) const
+Split::probe(Addr addr) const
 {
-    bool success = lru->probe(asid, addr);
+    bool success = lru->probe(addr);
     if (!success) {
         if (lifo && lifo_net)
-            success = lifo_net->probe(asid, addr);
+            success = lifo_net->probe(addr);
         else if (lru_net)
-            success = lru_net->probe(asid, addr);
+            success = lru_net->probe(addr);
     }
 
     return success;
@@ -278,7 +278,7 @@ Split::findBlock(Packet * &pkt, int &lat)
         memHash[aligned] = 1;
     }
 
-    SplitBlk *blk = lru->findBlock(pkt->getAddr(), pkt->req->getAsid(), lat);
+    SplitBlk *blk = lru->findBlock(pkt->getAddr(), lat);
     if (blk) {
         if (pkt->nic_pkt()) {
             NR_CP_hits++;
@@ -287,10 +287,10 @@ Split::findBlock(Packet * &pkt, int &lat)
         }
     } else {
         if (lifo && lifo_net) {
-            blk = lifo_net->findBlock(pkt->getAddr(), pkt->req->getAsid(), lat);
+            blk = lifo_net->findBlock(pkt->getAddr(), lat);
 
         } else if (lru_net) {
-            blk = lru_net->findBlock(pkt->getAddr(), pkt->req->getAsid(), lat);
+            blk = lru_net->findBlock(pkt->getAddr(), lat);
         }
         if (blk) {
             if (pkt->nic_pkt()) {
@@ -320,14 +320,14 @@ Split::findBlock(Packet * &pkt, int &lat)
 }
 
 SplitBlk*
-Split::findBlock(Addr addr, int asid, int &lat)
+Split::findBlock(Addr addr, int &lat)
 {
-    SplitBlk *blk = lru->findBlock(addr, asid, lat);
+    SplitBlk *blk = lru->findBlock(addr, lat);
     if (!blk) {
         if (lifo && lifo_net) {
-            blk = lifo_net->findBlock(addr, asid, lat);
+            blk = lifo_net->findBlock(addr, lat);
         } else if (lru_net) {
-            blk = lru_net->findBlock(addr, asid, lat);
+            blk = lru_net->findBlock(addr, lat);
         }
     }
 
@@ -335,14 +335,14 @@ Split::findBlock(Addr addr, int asid, int &lat)
 }
 
 SplitBlk*
-Split::findBlock(Addr addr, int asid) const
+Split::findBlock(Addr addr) const
 {
-    SplitBlk *blk = lru->findBlock(addr, asid);
+    SplitBlk *blk = lru->findBlock(addr);
     if (!blk) {
         if (lifo && lifo_net) {
-            blk = lifo_net->findBlock(addr, asid);
+            blk = lifo_net->findBlock(addr);
         } else if (lru_net) {
-            blk = lru_net->findBlock(addr, asid);
+            blk = lru_net->findBlock(addr);
         }
     }
 
@@ -403,14 +403,14 @@ Split::findReplacement(Packet * &pkt, PacketList &writebacks,
 }
 
 void
-Split::invalidateBlk(int asid, Addr addr)
+Split::invalidateBlk(Addr addr)
 {
-    SplitBlk *blk = lru->findBlock(addr, asid);
+    SplitBlk *blk = lru->findBlock(addr);
     if (!blk) {
         if (lifo && lifo_net)
-            blk = lifo_net->findBlock(addr, asid);
+            blk = lifo_net->findBlock(addr);
         else if (lru_net)
-            blk = lru_net->findBlock(addr, asid);
+            blk = lru_net->findBlock(addr);
 
         if (!blk)
             return;
@@ -422,15 +422,15 @@ Split::invalidateBlk(int asid, Addr addr)
 }
 
 void
-Split::doCopy(Addr source, Addr dest, int asid, PacketList &writebacks)
+Split::doCopy(Addr source, Addr dest, PacketList &writebacks)
 {
-    if (lru->probe(asid, source))
-        lru->doCopy(source, dest, asid, writebacks);
+    if (lru->probe( source))
+        lru->doCopy(source, dest, writebacks);
     else {
         if (lifo && lifo_net)
-            lifo_net->doCopy(source, dest, asid, writebacks);
+            lifo_net->doCopy(source, dest, writebacks);
         else if (lru_net)
-            lru_net->doCopy(source, dest, asid, writebacks);
+            lru_net->doCopy(source, dest, writebacks);
     }
 }
 
diff --git a/src/mem/cache/tags/split.hh b/src/mem/cache/tags/split.hh
index 25180a02b..f0091e971 100644
--- a/src/mem/cache/tags/split.hh
+++ b/src/mem/cache/tags/split.hh
@@ -181,14 +181,14 @@ class Split : public BaseTags
      * @param addr The address to find.
      * @return True if the address is in the cache.
      */
-    bool probe(int asid, Addr addr) const;
+    bool probe(Addr addr) const;
 
     /**
      * Invalidate the block containing the given address.
      * @param asid The address space ID.
      * @param addr The address to invalidate.
      */
-    void invalidateBlk(int asid, Addr addr);
+    void invalidateBlk(Addr addr);
 
     /**
      * Finds the given address in the cache and update replacement data.
@@ -198,7 +198,7 @@ class Split : public BaseTags
      * @param lat The access latency.
      * @return Pointer to the cache block if found.
      */
-    SplitBlk* findBlock(Addr addr, int asid, int &lat);
+    SplitBlk* findBlock(Addr addr, int &lat);
 
     /**
      * Finds the given address in the cache and update replacement data.
@@ -215,7 +215,7 @@ class Split : public BaseTags
      * @param asid The address space ID.
      * @return Pointer to the cache block if found.
      */
-    SplitBlk* findBlock(Addr addr, int asid) const;
+    SplitBlk* findBlock(Addr addr) const;
 
     /**
      * Find a replacement block for the address provided.
@@ -317,7 +317,7 @@ class Split : public BaseTags
      * @param asid The address space DI.
      * @param writebacks List for any generated writeback pktuests.
      */
-    void doCopy(Addr source, Addr dest, int asid, PacketList &writebacks);
+    void doCopy(Addr source, Addr dest, PacketList &writebacks);
 
     /**
      * No impl.
diff --git a/src/mem/cache/tags/split_lifo.cc b/src/mem/cache/tags/split_lifo.cc
index f6493fdd2..6fcbf3597 100644
--- a/src/mem/cache/tags/split_lifo.cc
+++ b/src/mem/cache/tags/split_lifo.cc
@@ -44,7 +44,7 @@
 using namespace std;
 
 SplitBlk*
-LIFOSet::findBlk(int asid, Addr tag) const
+LIFOSet::findBlk(Addr tag) const
 {
     for (SplitBlk *blk = firstIn; blk != NULL; blk = blk->next) {
         if (blk->tag == tag && blk->isValid()) {
@@ -216,21 +216,21 @@ SplitLIFO::regStats(const std::string &name)
 
 // probe cache for presence of given block.
 bool
-SplitLIFO::probe(int asid, Addr addr) const
+SplitLIFO::probe(Addr addr) const
 {
     Addr tag = extractTag(addr);
     unsigned myset = extractSet(addr);
 
-    SplitBlk* blk = sets[myset].findBlk(asid, tag);
+    SplitBlk* blk = sets[myset].findBlk(tag);
     return (blk != NULL);
 }
 
 SplitBlk*
-SplitLIFO::findBlock(Addr addr, int asid, int &lat)
+SplitLIFO::findBlock(Addr addr, int &lat)
 {
     Addr tag = extractTag(addr);
     unsigned set = extractSet(addr);
-    SplitBlk *blk = sets[set].findBlk(asid, tag);
+    SplitBlk *blk = sets[set].findBlk(tag);
 
     lat = hitLatency;
 
@@ -258,11 +258,10 @@ SplitBlk*
 SplitLIFO::findBlock(Packet * &pkt, int &lat)
 {
     Addr addr = pkt->getAddr();
-    int asid = pkt->req->getAsid();
 
     Addr tag = extractTag(addr);
     unsigned set = extractSet(addr);
-    SplitBlk *blk = sets[set].findBlk(asid, tag);
+    SplitBlk *blk = sets[set].findBlk(tag);
 
     if (blk) {
         DPRINTF(Split, "Found LIFO blk %#x in set %d, with tag %#x\n",
@@ -282,11 +281,11 @@ SplitLIFO::findBlock(Packet * &pkt, int &lat)
 }
 
 SplitBlk*
-SplitLIFO::findBlock(Addr addr, int asid) const
+SplitLIFO::findBlock(Addr addr) const
 {
     Addr tag = extractTag(addr);
     unsigned set = extractSet(addr);
-    SplitBlk *blk = sets[set].findBlk(asid, tag);
+    SplitBlk *blk = sets[set].findBlk(tag);
 
     return blk;
 }
@@ -336,9 +335,9 @@ SplitLIFO::findReplacement(Packet * &pkt, PacketList &writebacks,
 }
 
 void
-SplitLIFO::invalidateBlk(int asid, Addr addr)
+SplitLIFO::invalidateBlk(Addr addr)
 {
-    SplitBlk *blk = findBlock(addr, asid);
+    SplitBlk *blk = findBlock(addr);
     if (blk) {
         blk->status = 0;
         blk->isTouched = false;
@@ -348,15 +347,15 @@ SplitLIFO::invalidateBlk(int asid, Addr addr)
 }
 
 void
-SplitLIFO::doCopy(Addr source, Addr dest, int asid, PacketList &writebacks)
+SplitLIFO::doCopy(Addr source, Addr dest, PacketList &writebacks)
 {
 //Copy Unsuported for now
 #if 0
     assert(source == blkAlign(source));
     assert(dest == blkAlign(dest));
-    SplitBlk *source_blk = findBlock(source, asid);
+    SplitBlk *source_blk = findBlock(source);
     assert(source_blk);
-    SplitBlk *dest_blk = findBlock(dest, asid);
+    SplitBlk *dest_blk = findBlock(dest);
     if (dest_blk == NULL) {
         // Need to do a replacement
         Packet * pkt = new Packet();
@@ -367,7 +366,6 @@ SplitLIFO::doCopy(Addr source, Addr dest, int asid, PacketList &writebacks)
             // Need to writeback data.
             pkt = buildWritebackReq(regenerateBlkAddr(dest_blk->tag,
                                                       dest_blk->set),
-                                    dest_blk->req->asid,
                                     dest_blk->xc,
                                     blkSize,
                                     (cache->doData())?dest_blk->data:0,
@@ -375,7 +373,6 @@ SplitLIFO::doCopy(Addr source, Addr dest, int asid, PacketList &writebacks)
             writebacks.push_back(pkt);
         }
         dest_blk->tag = extractTag(dest);
-        dest_blk->req->asid = asid;
         /**
          * @todo Do we need to pass in the execution context, or can we
          * assume its the same?
diff --git a/src/mem/cache/tags/split_lifo.hh b/src/mem/cache/tags/split_lifo.hh
index 52956b192..355a66162 100644
--- a/src/mem/cache/tags/split_lifo.hh
+++ b/src/mem/cache/tags/split_lifo.hh
@@ -73,7 +73,7 @@ class LIFOSet {
      * @param tag the Tag you are looking for
      * @return Pointer to the block, if found, NULL otherwise
      */
-    SplitBlk* findBlk(int asid, Addr tag) const;
+    SplitBlk* findBlk(Addr tag) const;
 
     void moveToLastIn(SplitBlk *blk);
     void moveToFirstIn(SplitBlk *blk);
@@ -181,14 +181,14 @@ public:
      * @param addr The address to find.
      * @return True if the address is in the cache.
      */
-    bool probe(int asid, Addr addr) const;
+    bool probe( Addr addr) const;
 
     /**
      * Invalidate the block containing the given address.
      * @param asid The address space ID.
      * @param addr The address to invalidate.
      */
-    void invalidateBlk(int asid, Addr addr);
+    void invalidateBlk(Addr addr);
 
     /**
      * Finds the given address in the cache and update replacement data.
@@ -198,7 +198,7 @@ public:
      * @param lat The access latency.
      * @return Pointer to the cache block if found.
      */
-    SplitBlk* findBlock(Addr addr, int asid, int &lat);
+    SplitBlk* findBlock(Addr addr, int &lat);
 
     /**
      * Finds the given address in the cache and update replacement data.
@@ -215,7 +215,7 @@ public:
      * @param asid The address space ID.
      * @return Pointer to the cache block if found.
      */
-    SplitBlk* findBlock(Addr addr, int asid) const;
+    SplitBlk* findBlock(Addr addr) const;
 
     /**
      * Find a replacement block for the address provided.
@@ -332,7 +332,7 @@ public:
      * @param asid The address space DI.
      * @param writebacks List for any generated writeback pktuests.
      */
-    void doCopy(Addr source, Addr dest, int asid, PacketList &writebacks);
+    void doCopy(Addr source, Addr dest, PacketList &writebacks);
 
     /**
      * No impl.
diff --git a/src/mem/cache/tags/split_lru.cc b/src/mem/cache/tags/split_lru.cc
index 7fc742001..4381923bd 100644
--- a/src/mem/cache/tags/split_lru.cc
+++ b/src/mem/cache/tags/split_lru.cc
@@ -43,7 +43,7 @@
 using namespace std;
 
 SplitBlk*
-SplitCacheSet::findBlk(int asid, Addr tag) const
+SplitCacheSet::findBlk(Addr tag) const
 {
     for (int i = 0; i < assoc; ++i) {
         if (blks[i]->tag == tag && blks[i]->isValid()) {
@@ -135,7 +135,6 @@ SplitLRU::SplitLRU(int _numSets, int _blkSize, int _assoc, int _hit_latency, int
             // table; won't matter because the block is invalid
             blk->tag = j;
             blk->whenReady = 0;
-            blk->asid = -1;
             blk->isTouched = false;
             blk->size = blkSize;
             sets[i].blks[j]=blk;
@@ -172,23 +171,23 @@ SplitLRU::regStats(const std::string &name)
 
 // probe cache for presence of given block.
 bool
-SplitLRU::probe(int asid, Addr addr) const
+SplitLRU::probe(Addr addr) const
 {
     //  return(findBlock(Read, addr, asid) != 0);
     Addr tag = extractTag(addr);
     unsigned myset = extractSet(addr);
 
-    SplitBlk *blk = sets[myset].findBlk(asid, tag);
+    SplitBlk *blk = sets[myset].findBlk(tag);
 
     return (blk != NULL);	// true if in cache
 }
 
 SplitBlk*
-SplitLRU::findBlock(Addr addr, int asid, int &lat)
+SplitLRU::findBlock(Addr addr, int &lat)
 {
     Addr tag = extractTag(addr);
     unsigned set = extractSet(addr);
-    SplitBlk *blk = sets[set].findBlk(asid, tag);
+    SplitBlk *blk = sets[set].findBlk(tag);
     lat = hitLatency;
     if (blk != NULL) {
         // move this block to head of the MRU list
@@ -207,11 +206,10 @@ SplitBlk*
 SplitLRU::findBlock(Packet * &pkt, int &lat)
 {
     Addr addr = pkt->getAddr();
-    int asid = pkt->req->getAsid();
 
     Addr tag = extractTag(addr);
     unsigned set = extractSet(addr);
-    SplitBlk *blk = sets[set].findBlk(asid, tag);
+    SplitBlk *blk = sets[set].findBlk(tag);
     lat = hitLatency;
     if (blk != NULL) {
         // move this block to head of the MRU list
@@ -227,11 +225,11 @@ SplitLRU::findBlock(Packet * &pkt, int &lat)
 }
 
 SplitBlk*
-SplitLRU::findBlock(Addr addr, int asid) const
+SplitLRU::findBlock(Addr addr) const
 {
     Addr tag = extractTag(addr);
     unsigned set = extractSet(addr);
-    SplitBlk *blk = sets[set].findBlk(asid, tag);
+    SplitBlk *blk = sets[set].findBlk(tag);
     return blk;
 }
 
@@ -263,9 +261,9 @@ SplitLRU::findReplacement(Packet * &pkt, PacketList &writebacks,
 }
 
 void
-SplitLRU::invalidateBlk(int asid, Addr addr)
+SplitLRU::invalidateBlk(Addr addr)
 {
-    SplitBlk *blk = findBlock(addr, asid);
+    SplitBlk *blk = findBlock(addr);
     if (blk) {
         blk->status = 0;
         blk->isTouched = false;
@@ -274,15 +272,15 @@ SplitLRU::invalidateBlk(int asid, Addr addr)
 }
 
 void
-SplitLRU::doCopy(Addr source, Addr dest, int asid, PacketList &writebacks)
+SplitLRU::doCopy(Addr source, Addr dest, PacketList &writebacks)
 {
 //Copy not supported for now
 #if 0
     assert(source == blkAlign(source));
     assert(dest == blkAlign(dest));
-    SplitBlk *source_blk = findBlock(source, asid);
+    SplitBlk *source_blk = findBlock(source);
     assert(source_blk);
-    SplitBlk *dest_blk = findBlock(dest, asid);
+    SplitBlk *dest_blk = findBlock(dest);
     if (dest_blk == NULL) {
         // Need to do a replacement
         Packet * pkt = new Packet();
@@ -293,7 +291,6 @@ SplitLRU::doCopy(Addr source, Addr dest, int asid, PacketList &writebacks)
             // Need to writeback data.
             pkt = buildWritebackReq(regenerateBlkAddr(dest_blk->tag,
                                                       dest_blk->set),
-                                    dest_blk->req->asid,
                                     dest_blk->xc,
                                     blkSize,
                                     (cache->doData())?dest_blk->data:0,
@@ -301,7 +298,6 @@ SplitLRU::doCopy(Addr source, Addr dest, int asid, PacketList &writebacks)
             writebacks.push_back(pkt);
         }
         dest_blk->tag = extractTag(dest);
-        dest_blk->req->asid = asid;
         /**
          * @todo Do we need to pass in the execution context, or can we
          * assume its the same?
diff --git a/src/mem/cache/tags/split_lru.hh b/src/mem/cache/tags/split_lru.hh
index 6d370c5dd..72aebac9c 100644
--- a/src/mem/cache/tags/split_lru.hh
+++ b/src/mem/cache/tags/split_lru.hh
@@ -65,7 +65,7 @@ class SplitCacheSet
      * @param tag The Tag to find.
      * @return Pointer to the block if found.
      */
-    SplitBlk* findBlk(int asid, Addr tag) const;
+    SplitBlk* findBlk(Addr tag) const;
 
     /**
      * Move the given block to the head of the list.
@@ -164,14 +164,14 @@ public:
      * @param addr The address to find.
      * @return True if the address is in the cache.
      */
-    bool probe(int asid, Addr addr) const;
+    bool probe(Addr addr) const;
 
     /**
      * Invalidate the block containing the given address.
      * @param asid The address space ID.
      * @param addr The address to invalidate.
      */
-    void invalidateBlk(int asid, Addr addr);
+    void invalidateBlk(Addr addr);
 
     /**
      * Finds the given address in the cache and update replacement data.
@@ -181,7 +181,7 @@ public:
      * @param lat The access latency.
      * @return Pointer to the cache block if found.
      */
-    SplitBlk* findBlock(Addr addr, int asid, int &lat);
+    SplitBlk* findBlock(Addr addr, int &lat);
 
     /**
      * Finds the given address in the cache and update replacement data.
@@ -198,7 +198,7 @@ public:
      * @param asid The address space ID.
      * @return Pointer to the cache block if found.
      */
-    SplitBlk* findBlock(Addr addr, int asid) const;
+    SplitBlk* findBlock(Addr addr) const;
 
     /**
      * Find a replacement block for the address provided.
@@ -315,7 +315,7 @@ public:
      * @param asid The address space DI.
      * @param writebacks List for any generated writeback pktuests.
      */
-    void doCopy(Addr source, Addr dest, int asid, PacketList &writebacks);
+    void doCopy(Addr source, Addr dest, PacketList &writebacks);
 
     /**
      * No impl.