3 files changed, 76 insertions, 1 deletions
diff --git a/src/mem/ruby/network/MessageBuffer.hh b/src/mem/ruby/network/MessageBuffer.hh
index 69a0fb33e..4e85ac413 100644
--- a/src/mem/ruby/network/MessageBuffer.hh
+++ b/src/mem/ruby/network/MessageBuffer.hh
@@ -43,10 +43,12 @@
 
 #include "base/trace.hh"
 #include "debug/RubyQueue.hh"
+#include "mem/packet.hh"
+#include "mem/port.hh"
 #include "mem/ruby/common/Address.hh"
 #include "mem/ruby/common/Consumer.hh"
+#include "mem/ruby/network/dummy_port.hh"
 #include "mem/ruby/slicc_interface/Message.hh"
-#include "mem/packet.hh"
 #include "params/MessageBuffer.hh"
 #include "sim/sim_object.hh"
 
@@ -120,6 +122,12 @@ class MessageBuffer : public SimObject
     void setIncomingLink(int link_id) { m_input_link_id = link_id; }
     void setVnet(int net) { m_vnet_id = net; }
 
+    Port &
+    getPort(const std::string &, PortID idx=InvalidPortID) override
+    {
+        return RubyDummyPort::instance();
+    }
+
     void regStats();
 
     // Function for figuring out if any of the messages in the buffer need
diff --git a/src/mem/ruby/network/Network.hh b/src/mem/ruby/network/Network.hh
index 7f5ed2aae..4e9791824 100644
--- a/src/mem/ruby/network/Network.hh
+++ b/src/mem/ruby/network/Network.hh
@@ -60,11 +60,13 @@
 #include "base/addr_range.hh"
 #include "base/types.hh"
 #include "mem/packet.hh"
+#include "mem/port.hh"
 #include "mem/protocol/LinkDirection.hh"
 #include "mem/protocol/MessageSizeType.hh"
 #include "mem/ruby/common/MachineID.hh"
 #include "mem/ruby/common/TypeDefines.hh"
 #include "mem/ruby/network/Topology.hh"
+#include "mem/ruby/network/dummy_port.hh"
 #include "params/RubyNetwork.hh"
 #include "sim/clocked_object.hh"
 
@@ -132,6 +134,12 @@ class Network : public ClockedObject
      */
     NodeID addressToNodeID(Addr addr, MachineType mtype);
 
+    Port &
+    getPort(const std::string &, PortID idx=InvalidPortID) override
+    {
+        return RubyDummyPort::instance();
+    }
+
   protected:
     // Private copy constructor and assignment operator
     Network(const Network& obj);
diff --git a/src/mem/ruby/network/dummy_port.hh b/src/mem/ruby/network/dummy_port.hh
new file mode 100644
index 000000000..ca1ef4155
--- /dev/null
+++ b/src/mem/ruby/network/dummy_port.hh
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2019 Google, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Gabe Black
+ */
+
+#ifndef __MEM_RUBY_NETWORK_DUMMY_PORT_HH__
+#define __MEM_RUBY_NETWORK_DUMMY_PORT_HH__
+
+#include "mem/port.hh"
+
+class RubyDummyPort : public Port
+{
+  public:
+    RubyDummyPort() : Port("DummyPort", -1) {}
+
+    void
+    bind(Port &peer) override
+    {
+        // No need to connect anything here currently. MessageBuffer
+        // port connections only serve to print the connections in
+        // the config output.
+        // TODO: Add real ports to MessageBuffers and use MemObject connect
+        // code below to bind MessageBuffer senders and receivers
+    }
+    void unbind() override {}
+
+    static RubyDummyPort &
+    instance()
+    {
+        static RubyDummyPort dummy;
+        return dummy;
+    }
+};
+
+#endif //__MEM_RUBY_NETWORK_DUMMY_PORT_HH__