mem/cache/mshr.cc

268     targets.init(blkAddr, blkSize);
275     targets.add(target, when_ready, _order, source, true, alloc_on_fill);
277     // All targets must refer to the same block
278     assert(target->matchBlockAddr(targets.front().pkt, blkSize));
289     targets.clearDownstreamPending();
298     pendingModified = targets.needsWritable || pending_modified_resp;
304         targets.clearDownstreamPending();
316     assert(targets.empty());
317     targets.resetFlags();
336     // - there are other targets already deferred
347     PacketPtr tgt_pkt = targets.front().pkt;
365         targets.add(pkt, whenReady, _order, Target::FromCPU, !inService,
398             targets.replaceUpgrades();
409         // issue for deferred targets, if any...
413     PacketPtr tgt_pkt = targets.front().pkt;
473         targets.add(cp_pkt, curTick(), _order, Target::FromSnoop,
474                     downstreamPending && targets.needsWritable, false);
501     // service the first of the FromCPU targets and any other
502     // non-FromCPU target. This way the remaining FromCPU targets
506         auto it = targets.begin();
510         it = targets.erase(it);
511         while (it != targets.end()) {
517                 it = targets.erase(it);
522         std::swap(ready_targets, targets);
524     targets.populateFlags();
532     if (targets.empty() && deferredTargets.empty()) {
537     // the deferred targets can be generally promoted unless they
547         // then we can promote provided the targets list is empty and
549         if (targets.empty()) {
550             targets.splice(targets.end(), deferredTargets, it);
554         // deferred targets that precede it, or all deferred targets
556         targets.splice(targets.end(), deferredTargets,
561     targets.populateFlags();
562     order = targets.front().order;
563     readyTime = std::max(curTick(), targets.front().readyTime);
571     // if any of the deferred targets were upper-level cache
584     targets.splice(targets.end(), deferredTargets,
596         // but we have deferred targets which are waiting and they do
600         // have the block, there's no need to defer the targets, so
617         // We got a writable response, but we have deferred targets
622         // need to defer the targets, so move them up to the regular
624         assert(!targets.needsWritable);
625         targets.needsWritable = true;
641     // For other requests, we iterate over the individual targets
647         return (targets.trySatisfyFunctional(pkt) ||
674     if (!targets.empty()) {
676         targets.print(os, verbosity, prefix + "    ");