Ruby: Remove some unused code

[gem5.git] / src / mem / tport.cc

diff --git a/src/mem/tport.cc b/src/mem/tport.cc
index e4b8d70e9d2131127dbb2a6a994066411c5c82bc..8e02215f275cc3dd2dc81eb4af61df3c06901d2c 100644 (file)
--- a/src/mem/tport.cc
+++ b/src/mem/tport.cc
@@ -28,9 +28,25 @@
  * Authors: Ali Saidi
  */
 
+#include "debug/Bus.hh"
 #include "mem/tport.hh"
 
-void
+using namespace std;
+
+SimpleTimingPort::SimpleTimingPort(string pname, MemObject *_owner)
+    : Port(pname, _owner), sendEvent(0), drainEvent(NULL),
+      waitingOnRetry(false)
+{
+    sendEvent =  new EventWrapper<SimpleTimingPort,
+        &SimpleTimingPort::processSendEvent>(this);
+}
+
+SimpleTimingPort::~SimpleTimingPort()
+{
+    delete sendEvent;
+}
+
+bool
 SimpleTimingPort::checkFunctional(PacketPtr pkt)
 {
     DeferredPacketIterator i = transmitList.begin();
@@ -41,19 +57,20 @@ SimpleTimingPort::checkFunctional(PacketPtr pkt)
         // If the target contains data, and it overlaps the
         // probed request, need to update data
         if (pkt->checkFunctional(target)) {
-            return;
+            return true;
         }
     }
+
+    return false;
 }
 
 void
 SimpleTimingPort::recvFunctional(PacketPtr pkt)
 {
-    checkFunctional(pkt);
-
-    // Just do an atomic access and throw away the returned latency
-    if (!pkt->isResponse())
+    if (!checkFunctional(pkt)) {
+        // Just do an atomic access and throw away the returned latency
         recvAtomic(pkt);
+    }
 }
 
 bool
@@ -64,7 +81,6 @@ SimpleTimingPort::recvTiming(PacketPtr pkt)
     // code to hanldle nacks here, but I'm pretty sure it didn't work
     // correctly with the drain code, so that would need to be fixed
     // if we ever added it back.
-    assert(pkt->isRequest());
 
     if (pkt->memInhibitAsserted()) {
         // snooper will supply based on copy of packet
@@ -80,9 +96,8 @@ SimpleTimingPort::recvTiming(PacketPtr pkt)
         // recvAtomic() should already have turned packet into
         // atomic response
         assert(pkt->isResponse());
-        schedSendTiming(pkt, curTick + latency);
+        schedSendTiming(pkt, curTick() + latency);
     } else {
-        delete pkt->req;
         delete pkt;
     }
 
@@ -93,7 +108,8 @@ SimpleTimingPort::recvTiming(PacketPtr pkt)
 void
 SimpleTimingPort::schedSendTiming(PacketPtr pkt, Tick when)
 {
-    assert(when > curTick);
+    assert(when > curTick());
+    assert(when < curTick() + SimClock::Int::ms);
 
     // Nothing is on the list: add it and schedule an event
     if (transmitList.empty() || when < transmitList.front().tick) {
@@ -102,11 +118,6 @@ SimpleTimingPort::schedSendTiming(PacketPtr pkt, Tick when)
         return;
     }
 
-    // list is non-empty and this is not the head, so event should
-    // already be scheduled
-    assert(waitingOnRetry ||
-           (sendEvent->scheduled() && sendEvent->when() <= when));
-
     // list is non-empty & this belongs at the end
     if (when >= transmitList.back().tick) {
         transmitList.push_back(DeferredPacket(when, pkt));
@@ -142,10 +153,10 @@ SimpleTimingPort::sendDeferredPacket()
     if (success) {
         if (!transmitList.empty() && !sendEvent->scheduled()) {
             Tick time = transmitList.front().tick;
-            sendEvent->schedule(time <= curTick ? curTick+1 : time);
+            schedule(sendEvent, time <= curTick() ? curTick()+1 : time);
         }
 
-        if (transmitList.empty() && drainEvent) {
+        if (transmitList.empty() && drainEvent && !sendEvent->scheduled()) {
             drainEvent->process();
             drainEvent = NULL;
         }
@@ -185,7 +196,7 @@ SimpleTimingPort::processSendEvent()
 unsigned int
 SimpleTimingPort::drain(Event *de)
 {
-    if (transmitList.size() == 0)
+    if (transmitList.size() == 0 && !sendEvent->scheduled())
         return 0;
     drainEvent = de;
     return 1;