summaryrefslogtreecommitdiff
path: root/src/mem/cache/cache_impl.hh
diff options
context:
space:
mode:
Diffstat (limited to 'src/mem/cache/cache_impl.hh')
-rw-r--r--src/mem/cache/cache_impl.hh18
1 files changed, 11 insertions, 7 deletions
diff --git a/src/mem/cache/cache_impl.hh b/src/mem/cache/cache_impl.hh
index bde7ac04b..c3c1c0881 100644
--- a/src/mem/cache/cache_impl.hh
+++ b/src/mem/cache/cache_impl.hh
@@ -63,9 +63,8 @@ doTimingAccess(Packet *pkt, CachePort *cachePort, bool isCpuSide)
if (pkt->isWrite() && (pkt->req->isLocked())) {
pkt->req->setScResult(1);
}
- if (!(pkt->flags & SATISFIED)) {
- access(pkt);
- }
+ access(pkt);
+
}
else
{
@@ -204,9 +203,8 @@ Cache<TagStore,Buffering,Coherence>::access(PacketPtr &pkt)
pkt->getAddr() & (((ULL(1))<<48)-1),
pkt->getAddr() & ~((Addr)blkSize - 1));
- //@todo Should this return latency have the hit latency in it?
-// respond(pkt,curTick+lat);
pkt->flags |= SATISFIED;
+ //Invalidates/Upgrades need no response if they get the bus
// return MA_HIT; //@todo, return values
return true;
}
@@ -306,6 +304,13 @@ Cache<TagStore,Buffering,Coherence>::handleResponse(Packet * &pkt)
{
BlkType *blk = NULL;
if (pkt->senderState) {
+ if (pkt->result == Packet::Nacked) {
+ pkt->reinitFromRequest();
+ panic("Unimplemented NACK of packet\n");
+ }
+ if (pkt->result == Packet::BadAddress) {
+ //Make the response a Bad address and send it
+ }
// MemDebug::cacheResponse(pkt);
DPRINTF(Cache, "Handling reponse to %x, blk addr: %x\n",pkt->getAddr(),
pkt->getAddr() & (((ULL(1))<<48)-1));
@@ -392,7 +397,6 @@ Cache<TagStore,Buffering,Coherence>::snoop(Packet * &pkt)
assert(!(pkt->flags & SATISFIED));
pkt->flags |= SATISFIED;
pkt->flags |= NACKED_LINE;
- assert("Don't detect these on the other side yet\n");
respondToSnoop(pkt, curTick + hitLatency);
return;
}
@@ -406,7 +410,7 @@ Cache<TagStore,Buffering,Coherence>::snoop(Packet * &pkt)
//@todo Make it so that a read to a pending read can't be exclusive now.
//Set the address so find match works
- assert("Don't have invalidates yet\n");
+ panic("Don't have invalidates yet\n");
invalidatePkt->addrOverride(pkt->getAddr());
//Append the invalidate on