- if (pkt->needsResponse()) {
- pkt->makeTimingResponse();
- sendTiming(pkt, latency);
- }
- else if (pkt->cmd != MemCmd::UpgradeReq) {
- delete pkt->req;
- delete pkt;
- }
- return true;
-}
-
-void
-SimpleTimingPort::recvRetry()
-{
- assert(!transmitList.empty());
- if (Port::sendTiming(transmitList.front().pkt)) {
- transmitList.pop_front();
- DPRINTF(Bus, "No Longer waiting on retry\n");
- if (!transmitList.empty()) {
- Tick time = transmitList.front().tick;
- sendEvent->schedule(time <= curTick ? curTick+1 : time);
- }
- }
-
- if (transmitList.empty() && drainEvent) {
- drainEvent->process();
- drainEvent = NULL;
- }
-}
-
-void
-SimpleTimingPort::sendTiming(PacketPtr pkt, Tick time)
-{
- // Nothing is on the list: add it and schedule an event
- if (transmitList.empty()) {
- assert(!sendEvent->scheduled());
- sendEvent->schedule(curTick+time);
- transmitList.push_back(DeferredPacket(time+curTick, pkt));
- return;
- }
-
- // something is on the list and this belongs at the end
- if (time+curTick >= transmitList.back().tick) {
- transmitList.push_back(DeferredPacket(time+curTick, pkt));
- return;
+ if (needsResponse) {
+ // recvAtomic() should already have turned packet into
+ // atomic response
+ assert(pkt->isResponse());
+ schedTimingResp(pkt, curTick() + latency);
+ } else {
+ // queue the packet for deletion
+ pendingDelete.reset(pkt);