diff options
Diffstat (limited to 'src/mem')
| -rw-r--r-- | src/mem/bus.cc | 4 | ||||
| -rw-r--r-- | src/mem/cache/cache_impl.hh | 7 | ||||
| -rw-r--r-- | src/mem/cache/miss/miss_queue.cc | 1 |
3 files changed, 11 insertions, 1 deletions
diff --git a/src/mem/bus.cc b/src/mem/bus.cc index 4988df3c5..6e6ba2380 100644 --- a/src/mem/bus.cc +++ b/src/mem/bus.cc @@ -171,8 +171,12 @@ Bus::recvTiming(PacketPtr pkt) } short dest = pkt->getDest(); + + // Make sure to clear the snoop commit flag so it doesn't think an + // access has been handled twice. if (dest == Packet::Broadcast) { port = findPort(pkt->getAddr(), pkt->getSrc()); + pkt->flags &= ~SNOOP_COMMIT; if (timingSnoop(pkt, port ? port : interfaces[pkt->getSrc()])) { bool success; diff --git a/src/mem/cache/cache_impl.hh b/src/mem/cache/cache_impl.hh index 9368e7648..ca965859e 100644 --- a/src/mem/cache/cache_impl.hh +++ b/src/mem/cache/cache_impl.hh @@ -595,8 +595,13 @@ Cache<TagStore,Coherence>::access(PacketPtr &pkt) //We are determining prefetches on access stream, call prefetcher prefetcher->handleMiss(pkt, curTick); } + + Addr blk_addr = pkt->getAddr() & ~(Addr(blkSize-1)); + if (!pkt->req->isUncacheable()) { - blk = handleAccess(pkt, lat, writebacks); + if (!missQueue->findMSHR(blk_addr)) { + blk = handleAccess(pkt, lat, writebacks); + } } else { size = pkt->getSize(); } diff --git a/src/mem/cache/miss/miss_queue.cc b/src/mem/cache/miss/miss_queue.cc index 25b8fcbeb..24ca9cfa2 100644 --- a/src/mem/cache/miss/miss_queue.cc +++ b/src/mem/cache/miss/miss_queue.cc @@ -599,6 +599,7 @@ MissQueue::handleResponse(PacketPtr &pkt, Tick time) MemCmd cmd = mshr->getTarget()->cmd; mshr->pkt->setDest(Packet::Broadcast); mshr->pkt->result = Packet::Unknown; + mshr->pkt->req = mshr->getTarget()->req; mq.markPending(mshr, cmd); mshr->order = order++; cache->setMasterRequest(Request_MSHR, time); |