diff options
Diffstat (limited to 'src/mem/coherent_xbar.cc')
| -rw-r--r-- | src/mem/coherent_xbar.cc | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/mem/coherent_xbar.cc b/src/mem/coherent_xbar.cc index e90f9c1c8..6aec0b335 100644 --- a/src/mem/coherent_xbar.cc +++ b/src/mem/coherent_xbar.cc @@ -183,7 +183,9 @@ CoherentXBar::recvTimingReq(PacketPtr pkt, PortID slave_port_id) // determine how long to be crossbar layer is busy Tick packetFinishTime = clockEdge(Cycles(1)) + pkt->payloadDelay; - if (!system->bypassCaches()) { + const bool snoop_caches = !system->bypassCaches() && + pkt->cmd != MemCmd::WriteClean; + if (snoop_caches) { assert(pkt->snoopDelay == 0); // the packet is a memory-mapped request and should be @@ -264,7 +266,7 @@ CoherentXBar::recvTimingReq(PacketPtr pkt, PortID slave_port_id) } } - if (snoopFilter && !system->bypassCaches()) { + if (snoopFilter && snoop_caches) { // Let the snoop filter know about the success of the send operation snoopFilter->finishRequest(!success, addr, pkt->isSecure()); } @@ -644,7 +646,9 @@ CoherentXBar::recvAtomic(PacketPtr pkt, PortID slave_port_id) MemCmd snoop_response_cmd = MemCmd::InvalidCmd; Tick snoop_response_latency = 0; - if (!system->bypassCaches()) { + const bool snoop_caches = !system->bypassCaches() && + pkt->cmd != MemCmd::WriteClean; + if (snoop_caches) { // forward to all snoopers but the source std::pair<MemCmd, Tick> snoop_result; if (snoopFilter) { |