arch-arm: Do not check MustBeOne flag for TLB requests from the prefetcher
[gem5.git] / src / mem / tport.cc
index bf3d59a8f93905590d452600b5670f71d9b048d5..4de495e22f6d376ea65b547437ebc95384d70a0a 100644 (file)
  *          Andreas Hansson
  */
 
-#include "mem/mem_object.hh"
 #include "mem/tport.hh"
+#include "sim/sim_object.hh"
 
 SimpleTimingPort::SimpleTimingPort(const std::string& _name,
-                                   MemObject* _owner) :
-    QueuedPort(_name, _owner, queue), queue(*_owner, *this)
+                                   SimObject* _owner) :
+    QueuedSlavePort(_name, _owner, queueImpl), queueImpl(*_owner, *this)
 {
 }
 
 void
 SimpleTimingPort::recvFunctional(PacketPtr pkt)
 {
-    assert(pkt->isRequest());
-    if (!queue.checkFunctional(pkt)) {
+    if (!respQueue.trySatisfyFunctional(pkt)) {
         // do an atomic access and throw away the returned latency
         recvAtomic(pkt);
     }
 }
 
 bool
-SimpleTimingPort::recvTiming(PacketPtr pkt)
+SimpleTimingPort::recvTimingReq(PacketPtr pkt)
 {
-    if (pkt->memInhibitAsserted()) {
-        // snooper will supply based on copy of packet
-        // still target's responsibility to delete packet
-        delete pkt;
-        return true;
-    }
+    // the SimpleTimingPort should not be used anywhere where there is
+    // a need to deal with snoop responses and their flow control
+    // requirements
+    if (pkt->cacheResponding())
+        panic("SimpleTimingPort should never see packets with the "
+              "cacheResponding flag set\n");
 
     bool needsResponse = pkt->needsResponse();
     Tick latency = recvAtomic(pkt);
@@ -77,9 +76,10 @@ SimpleTimingPort::recvTiming(PacketPtr pkt)
         // recvAtomic() should already have turned packet into
         // atomic response
         assert(pkt->isResponse());
-        queue.schedSendTiming(pkt, curTick() + latency);
+        schedTimingResp(pkt, curTick() + latency);
     } else {
-        delete pkt;
+        // queue the packet for deletion
+        pendingDelete.reset(pkt);
     }
 
     return true;