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-rw-r--r--src/mem/cache/cache_impl.hh27
1 files changed, 14 insertions, 13 deletions
diff --git a/src/mem/cache/cache_impl.hh b/src/mem/cache/cache_impl.hh
index 056f6033f..5c6ab0950 100644
--- a/src/mem/cache/cache_impl.hh
+++ b/src/mem/cache/cache_impl.hh
@@ -570,8 +570,10 @@ Cache<TagStore,Coherence>::access(PacketPtr &pkt)
}
}
while (!writebacks.empty()) {
- missQueue->doWriteback(writebacks.front());
+ PacketPtr wbPkt = writebacks.front();
+ missQueue->doWriteback(wbPkt);
writebacks.pop_front();
+ delete wbPkt;
}
DPRINTF(Cache, "%s %x %s\n", pkt->cmdString(), pkt->getAddr(),
@@ -581,12 +583,7 @@ Cache<TagStore,Coherence>::access(PacketPtr &pkt)
// Hit
hits[pkt->cmdToIndex()][0/*pkt->req->getThreadNum()*/]++;
// clear dirty bit if write through
- if (pkt->needsResponse())
- respond(pkt, curTick+lat);
- if (pkt->cmd == MemCmd::Writeback) {
- //Signal that you can kill the pkt/req
- pkt->flags |= SATISFIED;
- }
+ respond(pkt, curTick+lat);
return true;
}
@@ -604,14 +601,14 @@ Cache<TagStore,Coherence>::access(PacketPtr &pkt)
if (pkt->flags & SATISFIED) {
// happens when a store conditional fails because it missed
// the cache completely
- if (pkt->needsResponse())
- respond(pkt, curTick+lat);
+ respond(pkt, curTick+lat);
} else {
missQueue->handleMiss(pkt, size, curTick + hitLatency);
}
- if (pkt->cmd == MemCmd::Writeback) {
+ if (!pkt->needsResponse()) {
//Need to clean up the packet on a writeback miss, but leave the request
+ //for the next level.
delete pkt;
}
@@ -721,8 +718,10 @@ Cache<TagStore,Coherence>::handleResponse(PacketPtr &pkt)
blk = handleFill(blk, (MSHR*)pkt->senderState,
new_state, writebacks, pkt);
while (!writebacks.empty()) {
- missQueue->doWriteback(writebacks.front());
- writebacks.pop_front();
+ PacketPtr wbPkt = writebacks.front();
+ missQueue->doWriteback(wbPkt);
+ writebacks.pop_front();
+ delete wbPkt;
}
}
missQueue->handleResponse(pkt, curTick + hitLatency);
@@ -1040,8 +1039,10 @@ return 0;
// There was a cache hit.
// Handle writebacks if needed
while (!writebacks.empty()){
- memSidePort->sendAtomic(writebacks.front());
+ PacketPtr wbPkt = writebacks.front();
+ memSidePort->sendAtomic(wbPkt);
writebacks.pop_front();
+ delete wbPkt;
}
hits[pkt->cmdToIndex()][0/*pkt->req->getThreadNum()*/]++;