diff options
Diffstat (limited to 'src/mem/cache/mshr.cc')
| -rw-r--r-- | src/mem/cache/mshr.cc | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/mem/cache/mshr.cc b/src/mem/cache/mshr.cc index 6fa22c9b4..86e2bebad 100644 --- a/src/mem/cache/mshr.cc +++ b/src/mem/cache/mshr.cc @@ -82,7 +82,10 @@ MSHR::TargetList::add(PacketPtr pkt, Tick readyTime, } if (markPending) { - MSHR *mshr = dynamic_cast<MSHR*>(pkt->senderState); + // Iterate over the SenderState stack and see if we find + // an MSHR entry. If we do, set the downstreamPending + // flag. Otherwise, do nothing. + MSHR *mshr = pkt->findNextSenderState<MSHR>(); if (mshr != NULL) { assert(!mshr->downstreamPending); mshr->downstreamPending = true; @@ -130,7 +133,13 @@ MSHR::TargetList::clearDownstreamPending() Iterator end_i = end(); for (Iterator i = begin(); i != end_i; ++i) { if (i->markedPending) { - MSHR *mshr = dynamic_cast<MSHR*>(i->pkt->senderState); + // Iterate over the SenderState stack and see if we find + // an MSHR entry. If we find one, clear the + // downstreamPending flag by calling + // clearDownstreamPending(). This recursively clears the + // downstreamPending flag in all caches this packet has + // passed through. + MSHR *mshr = i->pkt->findNextSenderState<MSHR>(); if (mshr != NULL) { mshr->clearDownstreamPending(); } |