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Diffstat (limited to 'src/mem/cache/coherence/uni_coherence.cc')
-rw-r--r--src/mem/cache/coherence/uni_coherence.cc36
1 files changed, 24 insertions, 12 deletions
diff --git a/src/mem/cache/coherence/uni_coherence.cc b/src/mem/cache/coherence/uni_coherence.cc
index 464266a29..4ebb2664c 100644
--- a/src/mem/cache/coherence/uni_coherence.cc
+++ b/src/mem/cache/coherence/uni_coherence.cc
@@ -76,19 +76,31 @@ UniCoherence::handleBusRequest(Packet * &pkt, CacheBlk *blk, MSHR *mshr,
{
new_state = 0;
if (pkt->isInvalidate()) {
- DPRINTF(Cache, "snoop inval on blk %x (blk ptr %x)\n",
- pkt->getAddr(), blk);
- // Forward to other caches
- Packet * tmp = new Packet(pkt->req, Packet::InvalidateReq, -1);
- cshrs.allocate(tmp);
- cache->setSlaveRequest(Request_Coherence, curTick);
- if (cshrs.isFull()) {
- cache->setBlockedForSnoop(Blocked_Coherence);
+ DPRINTF(Cache, "snoop inval on blk %x (blk ptr %x)\n",
+ pkt->getAddr(), blk);
+ }
+ else if (blk) {
+ new_state = blk->status;
+ }
+ return false;
+}
+
+void
+UniCoherence::propogateInvalidate(Packet *pkt, bool isTiming)
+{
+ if (pkt->isInvalidate()) {
+ if (isTiming) {
+ // Forward to other caches
+ Packet * tmp = new Packet(pkt->req, Packet::InvalidateReq, -1);
+ cshrs.allocate(tmp);
+ cache->setSlaveRequest(Request_Coherence, curTick);
+ if (cshrs.isFull())
+ cache->setBlockedForSnoop(Blocked_Coherence);
}
- } else {
- if (blk) {
- new_state = blk->status;
+ else {
+ Packet * tmp = new Packet(pkt->req, Packet::InvalidateReq, -1);
+ cache->cpuSidePort->sendAtomic(tmp);
+ delete tmp;
}
}
- return false;
}