ruby: get "using namespace" out of headers

In addition to obvious changes, this required a slight change to the slicc
grammar to allow types with :: in them.  Otherwise slicc barfs on std::string
which we need for the headers that slicc generates.

40 files changed, 161 insertions, 132 deletions

diff --git a/src/mem/ruby/network/Network.hh b/src/mem/ruby/network/Network.hh
index b79c6407e..fb56904db 100644
--- a/src/mem/ruby/network/Network.hh
+++ b/src/mem/ruby/network/Network.hh
@@ -40,6 +40,9 @@
 #ifndef __MEM_RUBY_NETWORK_NETWORK_HH__
 #define __MEM_RUBY_NETWORK_NETWORK_HH__
 
+#include <iostream>
+#include <string>
+
 #include "mem/protocol/MessageSizeType.hh"
 #include "mem/ruby/common/Global.hh"
 #include "mem/ruby/system/NodeID.hh"
@@ -88,10 +91,10 @@ class Network : public SimObject
 
     virtual void reset() = 0;
 
-    virtual void printStats(ostream& out) const = 0;
+    virtual void printStats(std::ostream& out) const = 0;
     virtual void clearStats() = 0;
-    virtual void printConfig(ostream& out) const = 0;
-    virtual void print(ostream& out) const = 0;
+    virtual void printConfig(std::ostream& out) const = 0;
+    virtual void print(std::ostream& out) const = 0;
 
   protected:
     // Private copy constructor and assignment operator
@@ -99,7 +102,7 @@ class Network : public SimObject
     Network& operator=(const Network& obj);
 
   protected:
-    const string m_name;
+    const std::string m_name;
     int m_nodes;
     int m_virtual_networks;
     int m_buffer_size;
@@ -111,11 +114,11 @@ class Network : public SimObject
     int m_data_msg_size;
 };
 
-inline ostream&
-operator<<(ostream& out, const Network& obj)
+inline std::ostream&
+operator<<(std::ostream& out, const Network& obj)
 {
     obj.print(out);
-    out << flush;
+    out << std::flush;
     return out;
 }
 
diff --git a/src/mem/ruby/network/garnet/NetworkHeader.hh b/src/mem/ruby/network/garnet/NetworkHeader.hh
index 1922df5ea..98c8024fa 100644
--- a/src/mem/ruby/network/garnet/NetworkHeader.hh
+++ b/src/mem/ruby/network/garnet/NetworkHeader.hh
@@ -34,9 +34,6 @@
 #include "mem/ruby/common/Global.hh"
 #include "mem/ruby/system/NodeID.hh"
 
-using namespace std;
-using namespace __gnu_cxx;
-
 enum flit_type {HEAD_, BODY_, TAIL_, HEAD_TAIL_, NUM_FLIT_TYPE_};
 enum VC_state_type {IDLE_, VC_AB_, ACTIVE_, NUM_VC_STATE_TYPE_};
 enum flit_stage {I_, VA_, SA_, ST_, LT_, NUM_FLIT_STAGE_};
diff --git a/src/mem/ruby/network/garnet/fixed-pipeline/GarnetNetwork_d.cc b/src/mem/ruby/network/garnet/fixed-pipeline/GarnetNetwork_d.cc
index 7e9fe0762..8bdea4894 100644
--- a/src/mem/ruby/network/garnet/fixed-pipeline/GarnetNetwork_d.cc
+++ b/src/mem/ruby/network/garnet/fixed-pipeline/GarnetNetwork_d.cc
@@ -38,6 +38,8 @@
 #include "mem/ruby/network/garnet/fixed-pipeline/CreditLink_d.hh"
 #include "mem/ruby/common/NetDest.hh"
 
+using namespace std;
+
 GarnetNetwork_d::GarnetNetwork_d(const Params *p)
   : BaseGarnetNetwork(p)
 {
diff --git a/src/mem/ruby/network/garnet/fixed-pipeline/GarnetNetwork_d.hh b/src/mem/ruby/network/garnet/fixed-pipeline/GarnetNetwork_d.hh
index 8a36c1572..7cb87b21a 100644
--- a/src/mem/ruby/network/garnet/fixed-pipeline/GarnetNetwork_d.hh
+++ b/src/mem/ruby/network/garnet/fixed-pipeline/GarnetNetwork_d.hh
@@ -31,6 +31,8 @@
 #ifndef GARNETNETWORK_D_H
 #define GARNETNETWORK_D_H
 
+#include <iostream>
+
 #include "mem/ruby/network/garnet/NetworkHeader.hh"
 #include "mem/gems_common/Vector.hh"
 #include "mem/ruby/network/garnet/BaseGarnetNetwork.hh"
@@ -61,9 +63,9 @@ public:
         MessageBuffer* getFromNetQueue(NodeID id, bool ordered, int network_num);
 
         void clearStats();
-        void printStats(ostream& out) const;
-        void printConfig(ostream& out) const;
-        void print(ostream& out) const;
+        void printStats(std::ostream& out) const;
+        void printConfig(std::ostream& out) const;
+        void print(std::ostream& out) const;
 
         inline void increment_injected_flits()
         {
@@ -125,17 +127,12 @@ private:
         Time m_ruby_start;
 };
 
-// Output operator declaration
-ostream& operator<<(ostream& out, const GarnetNetwork_d& obj);
-
-// ******************* Definitions *******************
-// Output operator definition
-extern inline
-ostream& operator<<(ostream& out, const GarnetNetwork_d& obj)
+inline std::ostream&
+operator<<(std::ostream& out, const GarnetNetwork_d& obj)
 {
-        obj.print(out);
-        out << flush;
-        return out;
+    obj.print(out);
+    out << std::flush;
+    return out;
 }
 
 #endif //GARNETNETWORK_D_H
diff --git a/src/mem/ruby/network/garnet/fixed-pipeline/InputUnit_d.cc b/src/mem/ruby/network/garnet/fixed-pipeline/InputUnit_d.cc
index ce7a0152d..ea8f7789b 100644
--- a/src/mem/ruby/network/garnet/fixed-pipeline/InputUnit_d.cc
+++ b/src/mem/ruby/network/garnet/fixed-pipeline/InputUnit_d.cc
@@ -31,6 +31,8 @@
 #include "mem/ruby/network/garnet/fixed-pipeline/InputUnit_d.hh"
 #include "mem/ruby/network/garnet/fixed-pipeline/Router_d.hh"
 
+using namespace std;
+
 InputUnit_d::InputUnit_d(int id, Router_d *router)
 {
         m_id = id;
diff --git a/src/mem/ruby/network/garnet/fixed-pipeline/InputUnit_d.hh b/src/mem/ruby/network/garnet/fixed-pipeline/InputUnit_d.hh
index bca7b10f0..05358bc8b 100644
--- a/src/mem/ruby/network/garnet/fixed-pipeline/InputUnit_d.hh
+++ b/src/mem/ruby/network/garnet/fixed-pipeline/InputUnit_d.hh
@@ -31,6 +31,8 @@
 #ifndef INPUT_UNIT_D_H
 #define INPUT_UNIT_D_H
 
+#include <iostream>
+
 #include "mem/ruby/network/garnet/NetworkHeader.hh"
 #include "mem/ruby/network/garnet/fixed-pipeline/flitBuffer_d.hh"
 #include "mem/ruby/common/Consumer.hh"
@@ -47,9 +49,9 @@ public:
         ~InputUnit_d();
 
         void wakeup();
-        void printConfig(ostream& out);
+        void printConfig(std::ostream& out);
         flitBuffer_d* getCreditQueue() { return creditQueue; }
-        void print(ostream& out) const {};
+        void print(std::ostream& out) const {};
 
         inline int get_inlink_id()
         {
diff --git a/src/mem/ruby/network/garnet/fixed-pipeline/NetworkInterface_d.cc b/src/mem/ruby/network/garnet/fixed-pipeline/NetworkInterface_d.cc
index 6c61cef26..da86c32fa 100644
--- a/src/mem/ruby/network/garnet/fixed-pipeline/NetworkInterface_d.cc
+++ b/src/mem/ruby/network/garnet/fixed-pipeline/NetworkInterface_d.cc
@@ -335,14 +335,14 @@ void NetworkInterface_d::checkReschedule()
         }
 }
 
-void NetworkInterface_d::printConfig(ostream& out) const
+void NetworkInterface_d::printConfig(std::ostream& out) const
 {
         out << "[Network Interface " << m_id << "] - ";
         out << "[inLink " << inNetLink->get_id() << "] - ";
-        out << "[outLink " << outNetLink->get_id() << "]" << endl;
+        out << "[outLink " << outNetLink->get_id() << "]" << std::endl;
 }
 
-void NetworkInterface_d::print(ostream& out) const
+void NetworkInterface_d::print(std::ostream& out) const
 {
         out << "[Network Interface]";
 }
diff --git a/src/mem/ruby/network/garnet/fixed-pipeline/NetworkInterface_d.hh b/src/mem/ruby/network/garnet/fixed-pipeline/NetworkInterface_d.hh
index 1ca4a7a9c..88d882969 100644
--- a/src/mem/ruby/network/garnet/fixed-pipeline/NetworkInterface_d.hh
+++ b/src/mem/ruby/network/garnet/fixed-pipeline/NetworkInterface_d.hh
@@ -31,6 +31,8 @@
 #ifndef NET_INTERFACE_D_H
 #define NET_INTERFACE_D_H
 
+#include <iostream>
+
 #include "mem/ruby/network/garnet/NetworkHeader.hh"
 #include "mem/ruby/network/garnet/fixed-pipeline/GarnetNetwork_d.hh"
 #include "mem/gems_common/Vector.hh"
@@ -55,8 +57,8 @@ public:
 
         void wakeup();
         void addNode(Vector<MessageBuffer *> &inNode, Vector<MessageBuffer *> &outNode);
-        void printConfig(ostream& out) const;
-        void print(ostream& out) const;
+        void printConfig(std::ostream& out) const;
+        void print(std::ostream& out) const;
         int get_vnet(int vc);
 
 private:
diff --git a/src/mem/ruby/network/garnet/fixed-pipeline/NetworkLink_d.hh b/src/mem/ruby/network/garnet/fixed-pipeline/NetworkLink_d.hh
index b5c58baa2..c5f9f14d1 100644
--- a/src/mem/ruby/network/garnet/fixed-pipeline/NetworkLink_d.hh
+++ b/src/mem/ruby/network/garnet/fixed-pipeline/NetworkLink_d.hh
@@ -31,6 +31,8 @@
 #ifndef NETWORK_LINK_D_H
 #define NETWORK_LINK_D_H
 
+#include <iostream>
+
 #include "mem/ruby/network/garnet/NetworkHeader.hh"
 #include "mem/ruby/common/Consumer.hh"
 #include "mem/ruby/network/garnet/fixed-pipeline/flitBuffer_d.hh"
@@ -47,7 +49,7 @@ public:
         NetworkLink_d(int id, int link_latency, GarnetNetwork_d *net_ptr);
         void setLinkConsumer(Consumer *consumer);
         void setSourceQueue(flitBuffer_d *srcQueue);
-        void print(ostream& out) const{}
+        void print(std::ostream& out) const{}
         int getLinkUtilization();
         Vector<int> getVcLoad();
         int get_id(){return m_id;}
diff --git a/src/mem/ruby/network/garnet/fixed-pipeline/OutputUnit_d.cc b/src/mem/ruby/network/garnet/fixed-pipeline/OutputUnit_d.cc
index 7934dc9bd..99475cf69 100644
--- a/src/mem/ruby/network/garnet/fixed-pipeline/OutputUnit_d.cc
+++ b/src/mem/ruby/network/garnet/fixed-pipeline/OutputUnit_d.cc
@@ -31,6 +31,8 @@
 #include "mem/ruby/network/garnet/fixed-pipeline/OutputUnit_d.hh"
 #include "mem/ruby/network/garnet/fixed-pipeline/Router_d.hh"
 
+using namespace std;
+
 OutputUnit_d::OutputUnit_d(int id, Router_d *router)
 {
         m_id = id;
diff --git a/src/mem/ruby/network/garnet/fixed-pipeline/OutputUnit_d.hh b/src/mem/ruby/network/garnet/fixed-pipeline/OutputUnit_d.hh
index 25747a1f8..93cfd9d12 100644
--- a/src/mem/ruby/network/garnet/fixed-pipeline/OutputUnit_d.hh
+++ b/src/mem/ruby/network/garnet/fixed-pipeline/OutputUnit_d.hh
@@ -31,6 +31,8 @@
 #ifndef OUTPUT_UNIT_D_H
 #define OUTPUT_UNIT_D_H
 
+#include <iostream>
+
 #include "mem/ruby/network/garnet/NetworkHeader.hh"
 #include "mem/ruby/common/Consumer.hh"
 #include "mem/ruby/network/garnet/fixed-pipeline/flitBuffer_d.hh"
@@ -48,9 +50,9 @@ public:
         void set_credit_link(CreditLink_d *credit_link);
         void wakeup();
         flitBuffer_d* getOutQueue();
-        void printConfig(ostream& out);
+        void printConfig(std::ostream& out);
         void update_vc(int vc, int in_port, int in_vc);
-        void print(ostream& out) const {};
+        void print(std::ostream& out) const {};
         int get_credit_cnt(int vc) { return m_outvc_state[vc]->get_credit_count(); }
         void decrement_credit(int out_vc);
 
diff --git a/src/mem/ruby/network/garnet/fixed-pipeline/Router_d.cc b/src/mem/ruby/network/garnet/fixed-pipeline/Router_d.cc
index 7185249e4..428ba3260 100644
--- a/src/mem/ruby/network/garnet/fixed-pipeline/Router_d.cc
+++ b/src/mem/ruby/network/garnet/fixed-pipeline/Router_d.cc
@@ -39,6 +39,8 @@
 #include "mem/ruby/network/garnet/fixed-pipeline/SWallocator_d.hh"
 #include "mem/ruby/network/garnet/fixed-pipeline/Switch_d.hh"
 
+using namespace std;
+
 Router_d::Router_d(int id, GarnetNetwork_d *network_ptr)
 {
         m_id = id;
diff --git a/src/mem/ruby/network/garnet/fixed-pipeline/Router_d.hh b/src/mem/ruby/network/garnet/fixed-pipeline/Router_d.hh
index 498a6cae1..91f79882c 100644
--- a/src/mem/ruby/network/garnet/fixed-pipeline/Router_d.hh
+++ b/src/mem/ruby/network/garnet/fixed-pipeline/Router_d.hh
@@ -31,6 +31,8 @@
 #ifndef ROUTER_D_H
 #define ROUTER_D_H
 
+#include <iostream>
+
 #include "mem/ruby/network/garnet/NetworkHeader.hh"
 #include "mem/gems_common/Vector.hh"
 #include "mem/ruby/network/garnet/fixed-pipeline/flit_d.hh"
@@ -60,7 +62,7 @@ public:
         int get_vc_per_vnet() {return m_vc_per_vnet; }
         int get_num_inports() { return m_input_unit.size(); }
         int get_num_outports() { return m_output_unit.size(); }
-        void printConfig(ostream& out);
+        void printConfig(std::ostream& out);
         int get_id() { return m_id; }
         GarnetNetwork_d* get_net_ptr() { return m_network_ptr; }
 
diff --git a/src/mem/ruby/network/garnet/fixed-pipeline/SWallocator_d.hh b/src/mem/ruby/network/garnet/fixed-pipeline/SWallocator_d.hh
index a6c838e8a..95a7dad1c 100644
--- a/src/mem/ruby/network/garnet/fixed-pipeline/SWallocator_d.hh
+++ b/src/mem/ruby/network/garnet/fixed-pipeline/SWallocator_d.hh
@@ -31,6 +31,8 @@
 #ifndef SW_ALLOCATOR_D_H
 #define SW_ALLOCATOR_D_H
 
+#include <iostream>
+
 #include "mem/ruby/network/garnet/NetworkHeader.hh"
 #include "mem/ruby/common/Consumer.hh"
 
@@ -46,7 +48,7 @@ public:
         void clear_request_vector();
         void check_for_wakeup();
         int get_vnet (int invc);
-        void print(ostream& out) const {};
+        void print(std::ostream& out) const {};
         void arbitrate_inports();
         void arbitrate_outports();
         bool is_candidate_inport(int inport, int invc);
diff --git a/src/mem/ruby/network/garnet/fixed-pipeline/Switch_d.hh b/src/mem/ruby/network/garnet/fixed-pipeline/Switch_d.hh
index 0e3c17b3b..09973b82d 100644
--- a/src/mem/ruby/network/garnet/fixed-pipeline/Switch_d.hh
+++ b/src/mem/ruby/network/garnet/fixed-pipeline/Switch_d.hh
@@ -31,6 +31,8 @@
 #ifndef SWITCH_D_H
 #define SWITCH_D_H
 
+#include <iostream>
+
 #include "mem/ruby/network/garnet/NetworkHeader.hh"
 #include "mem/ruby/common/Consumer.hh"
 #include "mem/ruby/network/garnet/fixed-pipeline/flitBuffer_d.hh"
@@ -45,7 +47,7 @@ public:
         void wakeup();
         void init();
         void check_for_wakeup();
-        void print(ostream& out) const {};
+        void print(std::ostream& out) const {};
         inline void update_sw_winner(int inport, flit_d *t_flit)
         {
                 m_switch_buffer[inport]->insert(t_flit);
diff --git a/src/mem/ruby/network/garnet/fixed-pipeline/VCallocator_d.hh b/src/mem/ruby/network/garnet/fixed-pipeline/VCallocator_d.hh
index c9247c6d0..c6d06d1ae 100644
--- a/src/mem/ruby/network/garnet/fixed-pipeline/VCallocator_d.hh
+++ b/src/mem/ruby/network/garnet/fixed-pipeline/VCallocator_d.hh
@@ -31,6 +31,9 @@
 #ifndef VC_ALLOCATOR_D_H
 #define VC_ALLOCATOR_D_H
 
+#include <iostream>
+#include <utility>
+
 #include "mem/ruby/network/garnet/NetworkHeader.hh"
 #include "mem/ruby/common/Consumer.hh"
 
@@ -46,7 +49,7 @@ public:
         void check_for_wakeup();
         void clear_request_vector();
         int get_vnet(int invc);
-        void print(ostream& out) const {};
+        void print(std::ostream& out) const {};
         void arbitrate_invcs();
         void arbitrate_outvcs();
         bool is_invc_candidate(int inport_iter, int invc_iter);
@@ -69,7 +72,7 @@ private:
 
         Router_d *m_router;
         Vector<Vector <int > > m_round_robin_invc; // First stage of arbitration where all vcs select an output vc to content for
-        Vector<Vector <pair<int, int> > > m_round_robin_outvc; // Arbiter for every output vc
+        Vector<Vector <std::pair<int, int> > > m_round_robin_outvc; // Arbiter for every output vc
         Vector<Vector<Vector<Vector<bool > > > > m_outvc_req; // [outport][outvc][inpotr][invc]. set true in the first phase of allocation
         Vector<Vector<bool > > m_outvc_is_req;
 
diff --git a/src/mem/ruby/network/garnet/fixed-pipeline/VirtualChannel_d.hh b/src/mem/ruby/network/garnet/fixed-pipeline/VirtualChannel_d.hh
index 2b4779038..645506af7 100644
--- a/src/mem/ruby/network/garnet/fixed-pipeline/VirtualChannel_d.hh
+++ b/src/mem/ruby/network/garnet/fixed-pipeline/VirtualChannel_d.hh
@@ -31,6 +31,8 @@
 #ifndef VIRTUAL_CHANNEL_D_H
 #define VIRTUAL_CHANNEL_D_H
 
+#include <utility>
+
 #include "mem/ruby/network/garnet/NetworkHeader.hh"
 #include "mem/ruby/network/garnet/fixed-pipeline/flitBuffer_d.hh"
 
@@ -105,7 +107,7 @@ public:
 private:
         int m_id;
         flitBuffer_d *m_input_buffer;
-        pair<VC_state_type, Time> m_vc_state; // I/R/V/A/C
+        std::pair<VC_state_type, Time> m_vc_state; // I/R/V/A/C
         int route;
         Time m_enqueue_time;
         int m_output_vc;
diff --git a/src/mem/ruby/network/garnet/fixed-pipeline/flitBuffer_d.cc b/src/mem/ruby/network/garnet/fixed-pipeline/flitBuffer_d.cc
index 9578f0a8f..38510c758 100644
--- a/src/mem/ruby/network/garnet/fixed-pipeline/flitBuffer_d.cc
+++ b/src/mem/ruby/network/garnet/fixed-pipeline/flitBuffer_d.cc
@@ -67,10 +67,10 @@ bool flitBuffer_d::isReadyForNext()
         return false;
 }
 
-void flitBuffer_d::print(ostream& out) const
+void flitBuffer_d::print(std::ostream& out) const
 {
         out << "[flitBuffer: ";
-        out << m_buffer.size() << "] " << endl;
+        out << m_buffer.size() << "] " << std::endl;
 }
 
 bool flitBuffer_d::isFull()
diff --git a/src/mem/ruby/network/garnet/fixed-pipeline/flitBuffer_d.hh b/src/mem/ruby/network/garnet/fixed-pipeline/flitBuffer_d.hh
index 11a3cda9c..976fa4053 100644
--- a/src/mem/ruby/network/garnet/fixed-pipeline/flitBuffer_d.hh
+++ b/src/mem/ruby/network/garnet/fixed-pipeline/flitBuffer_d.hh
@@ -31,6 +31,8 @@
 #ifndef FLIT_BUFFER_D_H
 #define FLIT_BUFFER_D_H
 
+#include <iostream>
+
 #include "mem/ruby/network/garnet/NetworkHeader.hh"
 #include "mem/gems_common/PrioHeap.hh"
 #include "mem/ruby/network/garnet/fixed-pipeline/flit_d.hh"
@@ -43,7 +45,7 @@ public:
         bool isReady();
         bool isReadyForNext();
         bool isEmpty();
-        void print(ostream& out) const;
+        void print(std::ostream& out) const;
         bool isFull();
         void setMaxSize(int maximum);
 
@@ -65,17 +67,12 @@ private:
         int size, max_size;
 };
 
-ostream& operator<<(ostream& out, const flitBuffer_d& obj);
-
-// ******************* Definitions *******************
-
-// Output operator definition
-extern inline
-ostream& operator<<(ostream& out, const flitBuffer_d& obj)
+inline std::ostream&
+operator<<(std::ostream& out, const flitBuffer_d& obj)
 {
-  obj.print(out);
-  out << flush;
-  return out;
+    obj.print(out);
+    out << std::flush;
+    return out;
 }
 
 #endif
diff --git a/src/mem/ruby/network/garnet/fixed-pipeline/flit_d.cc b/src/mem/ruby/network/garnet/fixed-pipeline/flit_d.cc
index c6a58a839..2e73cdc72 100644
--- a/src/mem/ruby/network/garnet/fixed-pipeline/flit_d.cc
+++ b/src/mem/ruby/network/garnet/fixed-pipeline/flit_d.cc
@@ -117,7 +117,7 @@ void flit_d::advance_stage(flit_stage t_stage)
         m_stage.second = g_eventQueue_ptr->getTime() + 1;
 }
 */
-void flit_d::print(ostream& out) const
+void flit_d::print(std::ostream& out) const
 {
         out << "[flit:: ";
         out << "Id=" << m_id << " ";
diff --git a/src/mem/ruby/network/garnet/fixed-pipeline/flit_d.hh b/src/mem/ruby/network/garnet/fixed-pipeline/flit_d.hh
index 3f9afcdca..39bbe011d 100644
--- a/src/mem/ruby/network/garnet/fixed-pipeline/flit_d.hh
+++ b/src/mem/ruby/network/garnet/fixed-pipeline/flit_d.hh
@@ -31,6 +31,8 @@
 #ifndef FLIT_D_H
 #define FLIT_D_H
 
+#include <iostream>
+
 #include "mem/ruby/network/garnet/NetworkHeader.hh"
 #include "mem/ruby/slicc_interface/Message.hh"
 
@@ -40,7 +42,7 @@ public:
         flit_d(int vc, bool is_free_signal);
         void set_outport(int port) { m_outport = port; }
         int get_outport() {return m_outport; }
-        void print(ostream& out) const;
+        void print(std::ostream& out) const;
         bool is_free_signal()
         {
                 return m_is_free_signal;
@@ -99,7 +101,7 @@ public:
                 m_stage.first = t_stage;
                 m_stage.second = g_eventQueue_ptr->getTime() + 1;
         }
-        inline pair<flit_stage, Time> get_stage()
+        inline std::pair<flit_stage, Time> get_stage()
         {
                 return m_stage;
         }
@@ -126,7 +128,7 @@ private:
         MsgPtr m_msg_ptr;
         int m_outport;
         int src_delay;
-        pair<flit_stage, Time> m_stage;
+        std::pair<flit_stage, Time> m_stage;
 
 };
 
@@ -143,18 +145,12 @@ bool node_less_then_eq(flit_d* n1, flit_d* n2)
   }
 }
 
-// Output operator declaration
-ostream& operator<<(ostream& out, const flit_d& obj);
-
-// ******************* Definitions *******************
-
-// Output operator definition
-extern inline
-ostream& operator<<(ostream& out, const flit_d& obj)
+inline std::ostream&
+operator<<(std::ostream& out, const flit_d& obj)
 {
-  obj.print(out);
-  out << flush;
-  return out;
+    obj.print(out);
+    out << std::flush;
+    return out;
 }
 
 #endif
diff --git a/src/mem/ruby/network/garnet/flexible-pipeline/GarnetNetwork.cc b/src/mem/ruby/network/garnet/flexible-pipeline/GarnetNetwork.cc
index 82f664d26..e063e6a0e 100644
--- a/src/mem/ruby/network/garnet/flexible-pipeline/GarnetNetwork.cc
+++ b/src/mem/ruby/network/garnet/flexible-pipeline/GarnetNetwork.cc
@@ -39,6 +39,8 @@
 #include "mem/ruby/network/garnet/flexible-pipeline/NetworkLink.hh"
 #include "mem/ruby/common/NetDest.hh"
 
+using namespace std;
+
 GarnetNetwork::GarnetNetwork(const Params *p)
   : BaseGarnetNetwork(p)
 {
diff --git a/src/mem/ruby/network/garnet/flexible-pipeline/GarnetNetwork.hh b/src/mem/ruby/network/garnet/flexible-pipeline/GarnetNetwork.hh
index 3669799fa..c116a324b 100644
--- a/src/mem/ruby/network/garnet/flexible-pipeline/GarnetNetwork.hh
+++ b/src/mem/ruby/network/garnet/flexible-pipeline/GarnetNetwork.hh
@@ -31,6 +31,8 @@
 #ifndef GARNET_NETWORK_H
 #define GARNET_NETWORK_H
 
+#include <iostream>
+
 #include "mem/ruby/network/garnet/NetworkHeader.hh"
 #include "mem/ruby/network/garnet/BaseGarnetNetwork.hh"
 #include "mem/gems_common/Vector.hh"
@@ -58,9 +60,9 @@ public:
         MessageBuffer* getFromNetQueue(NodeID id, bool ordered, int network_num);
 
         void clearStats();
-        void printStats(ostream& out) const;
-        void printConfig(ostream& out) const;
-        void print(ostream& out) const;
+        void printStats(std::ostream& out) const;
+        void printConfig(std::ostream& out) const;
+        void print(std::ostream& out) const;
 
         bool isVNetOrdered(int vnet) { return m_ordered[vnet]; }
         bool validVirtualNetwork(int vnet) { return m_in_use[vnet]; }
@@ -101,17 +103,12 @@ private:
         Time m_ruby_start;
 };
 
-// Output operator declaration
-ostream& operator<<(ostream& out, const GarnetNetwork& obj);
-
-// ******************* Definitions *******************
-// Output operator definition
-extern inline
-ostream& operator<<(ostream& out, const GarnetNetwork& obj)
+inline std::ostream&
+operator<<(std::ostream& out, const GarnetNetwork& obj)
 {
-        obj.print(out);
-        out << flush;
-        return out;
+    obj.print(out);
+    out << std::flush;
+    return out;
 }
 
 #endif //NETWORK_H
diff --git a/src/mem/ruby/network/garnet/flexible-pipeline/NetworkInterface.cc b/src/mem/ruby/network/garnet/flexible-pipeline/NetworkInterface.cc
index 71c433aff..697f954ab 100644
--- a/src/mem/ruby/network/garnet/flexible-pipeline/NetworkInterface.cc
+++ b/src/mem/ruby/network/garnet/flexible-pipeline/NetworkInterface.cc
@@ -290,14 +290,14 @@ void NetworkInterface::checkReschedule()
         }
 }
 
-void NetworkInterface::printConfig(ostream& out) const
+void NetworkInterface::printConfig(std::ostream& out) const
 {
         out << "[Network Interface " << m_id << "] - ";
         out << "[inLink " << inNetLink->get_id() << "] - ";
-        out << "[outLink " << outNetLink->get_id() << "]" << endl;
+        out << "[outLink " << outNetLink->get_id() << "]" << std::endl;
 }
 
-void NetworkInterface::print(ostream& out) const
+void NetworkInterface::print(std::ostream& out) const
 {
         out << "[Network Interface]";
 }
diff --git a/src/mem/ruby/network/garnet/flexible-pipeline/NetworkInterface.hh b/src/mem/ruby/network/garnet/flexible-pipeline/NetworkInterface.hh
index 67bba5f04..bc2701125 100644
--- a/src/mem/ruby/network/garnet/flexible-pipeline/NetworkInterface.hh
+++ b/src/mem/ruby/network/garnet/flexible-pipeline/NetworkInterface.hh
@@ -31,6 +31,8 @@
 #ifndef NET_INTERFACE_H
 #define NET_INTERFACE_H
 
+#include <iostream>
+
 #include "mem/ruby/network/garnet/NetworkHeader.hh"
 #include "mem/ruby/network/garnet/flexible-pipeline/GarnetNetwork.hh"
 #include "mem/gems_common/Vector.hh"
@@ -62,8 +64,8 @@ public:
         }
         void request_vc(int in_vc, int in_port, NetDest destination, Time request_time);
 
-        void printConfig(ostream& out) const;
-        void print(ostream& out) const;
+        void printConfig(std::ostream& out) const;
+        void print(std::ostream& out) const;
 
 private:
 /**************Data Members*************/
diff --git a/src/mem/ruby/network/garnet/flexible-pipeline/NetworkLink.hh b/src/mem/ruby/network/garnet/flexible-pipeline/NetworkLink.hh
index e371d9265..3f648ae14 100644
--- a/src/mem/ruby/network/garnet/flexible-pipeline/NetworkLink.hh
+++ b/src/mem/ruby/network/garnet/flexible-pipeline/NetworkLink.hh
@@ -31,6 +31,8 @@
 #ifndef NETWORK_LINK_H
 #define NETWORK_LINK_H
 
+#include <iostream>
+
 #include "mem/ruby/network/garnet/NetworkHeader.hh"
 #include "mem/ruby/network/garnet/flexible-pipeline/FlexibleConsumer.hh"
 #include "mem/ruby/network/garnet/flexible-pipeline/flitBuffer.hh"
@@ -50,7 +52,7 @@ public:
         flit* peekLink();
         flit* consumeLink();
 
-        void print(ostream& out) const {}
+        void print(std::ostream& out) const {}
 
         bool is_vc_ready(flit *t_flit);
 
diff --git a/src/mem/ruby/network/garnet/flexible-pipeline/Router.cc b/src/mem/ruby/network/garnet/flexible-pipeline/Router.cc
index 9963555cb..10696f1ad 100644
--- a/src/mem/ruby/network/garnet/flexible-pipeline/Router.cc
+++ b/src/mem/ruby/network/garnet/flexible-pipeline/Router.cc
@@ -34,6 +34,8 @@
 #include "mem/ruby/network/garnet/flexible-pipeline/OutVcState.hh"
 #include "mem/ruby/network/garnet/flexible-pipeline/VCarbiter.hh"
 
+using namespace std;
+
 Router::Router(int id, GarnetNetwork *network_ptr)
 {
         m_id = id;
diff --git a/src/mem/ruby/network/garnet/flexible-pipeline/Router.hh b/src/mem/ruby/network/garnet/flexible-pipeline/Router.hh
index 5ec7590a6..5d2610fae 100644
--- a/src/mem/ruby/network/garnet/flexible-pipeline/Router.hh
+++ b/src/mem/ruby/network/garnet/flexible-pipeline/Router.hh
@@ -31,6 +31,8 @@
 #ifndef ROUTER_H
 #define ROUTER_H
 
+#include <iostream>
+
 #include "mem/ruby/network/garnet/NetworkHeader.hh"
 #include "mem/ruby/network/garnet/flexible-pipeline/GarnetNetwork.hh"
 #include "mem/ruby/network/garnet/flexible-pipeline/FlexibleConsumer.hh"
@@ -58,8 +60,8 @@ public:
         void release_vc(int out_port, int vc, Time release_time);
         void vc_arbitrate();
 
-        void printConfig(ostream& out) const;
-        void print(ostream& out) const;
+        void printConfig(std::ostream& out) const;
+        void print(std::ostream& out) const;
 
 private:
 /***************Data Members******************/
diff --git a/src/mem/ruby/network/garnet/flexible-pipeline/VCarbiter.hh b/src/mem/ruby/network/garnet/flexible-pipeline/VCarbiter.hh
index 6a8c356f1..3f3223f29 100644
--- a/src/mem/ruby/network/garnet/flexible-pipeline/VCarbiter.hh
+++ b/src/mem/ruby/network/garnet/flexible-pipeline/VCarbiter.hh
@@ -31,6 +31,8 @@
 #ifndef VC_ARBITER_H
 #define VC_ARBITER_H
 
+#include <iostream>
+
 #include "mem/ruby/network/garnet/NetworkHeader.hh"
 #include "mem/ruby/common/Consumer.hh"
 
@@ -41,7 +43,7 @@ public:
         VCarbiter(Router *router);
         ~VCarbiter() {}
 
-        void print(ostream& out) const {}
+        void print(std::ostream& out) const {}
         void wakeup();
 
 private:
diff --git a/src/mem/ruby/network/garnet/flexible-pipeline/flit.cc b/src/mem/ruby/network/garnet/flexible-pipeline/flit.cc
index e73a8b9b5..dd0525754 100644
--- a/src/mem/ruby/network/garnet/flexible-pipeline/flit.cc
+++ b/src/mem/ruby/network/garnet/flexible-pipeline/flit.cc
@@ -96,7 +96,7 @@ flit_type flit::get_type()
         return m_type;
 }
 
-void flit::print(ostream& out) const
+void flit::print(std::ostream& out) const
 {
         out << "[flit:: ";
         out << "Id=" << m_id << " ";
diff --git a/src/mem/ruby/network/garnet/flexible-pipeline/flit.hh b/src/mem/ruby/network/garnet/flexible-pipeline/flit.hh
index 2cf3eaade..1cc8806e9 100644
--- a/src/mem/ruby/network/garnet/flexible-pipeline/flit.hh
+++ b/src/mem/ruby/network/garnet/flexible-pipeline/flit.hh
@@ -28,6 +28,8 @@
  * Authors: Niket Agarwal
  */
 
+#include <iostream>
+
 #include "mem/ruby/network/garnet/NetworkHeader.hh"
 #include "mem/ruby/slicc_interface/Message.hh"
 
@@ -48,7 +50,7 @@ public:
         void set_vc(int vc);
         MsgPtr& get_msg_ptr();
         flit_type get_type();
-        void print(ostream&out) const;
+        void print(std::ostream& out) const;
 
 private:
 /************Data Members*************/
@@ -75,18 +77,12 @@ bool node_less_then_eq(flit* n1, flit* n2)
   }
 }
 
-// Output operator declaration
-ostream& operator<<(ostream& out, const flit& obj);
-
-// ******************* Definitions *******************
-
-// Output operator definition
-extern inline
-ostream& operator<<(ostream& out, const flit& obj)
+inline std::ostream&
+operator<<(std::ostream& out, const flit& obj)
 {
-  obj.print(out);
-  out << flush;
-  return out;
+    obj.print(out);
+    out << std::flush;
+    return out;
 }
 
 #endif
diff --git a/src/mem/ruby/network/garnet/flexible-pipeline/flitBuffer.cc b/src/mem/ruby/network/garnet/flexible-pipeline/flitBuffer.cc
index d2f9244de..7f41d6f8c 100644
--- a/src/mem/ruby/network/garnet/flexible-pipeline/flitBuffer.cc
+++ b/src/mem/ruby/network/garnet/flexible-pipeline/flitBuffer.cc
@@ -92,8 +92,8 @@ void flitBuffer::insert(flit *flt)
         m_buffer.insert(flt);
 }
 
-void flitBuffer::print(ostream& out) const
+void flitBuffer::print(std::ostream& out) const
 {
         out << "[flitBuffer: ";
-        out << m_buffer.size() << "] " << endl;
+        out << m_buffer.size() << "] " << std::endl;
 }
diff --git a/src/mem/ruby/network/garnet/flexible-pipeline/flitBuffer.hh b/src/mem/ruby/network/garnet/flexible-pipeline/flitBuffer.hh
index f8b34720c..646cd99c7 100644
--- a/src/mem/ruby/network/garnet/flexible-pipeline/flitBuffer.hh
+++ b/src/mem/ruby/network/garnet/flexible-pipeline/flitBuffer.hh
@@ -31,6 +31,8 @@
 #ifndef FLIT_BUFFER_H
 #define FLIT_BUFFER_H
 
+#include <iostream>
+
 #include "mem/ruby/network/garnet/NetworkHeader.hh"
 #include "mem/gems_common/PrioHeap.hh"
 #include "mem/ruby/network/garnet/flexible-pipeline/flit.hh"
@@ -48,7 +50,7 @@ public:
         flit *getTopFlit();
         flit *peekTopFlit();
         void insert(flit *flt);
-        void print(ostream& out) const;
+        void print(std::ostream& out) const;
 
 /**********Data Members*********/
 private:
@@ -56,17 +58,12 @@ private:
         int size, max_size;
 };
 
-ostream& operator<<(ostream& out, const flitBuffer& obj);
-
-// ******************* Definitions *******************
-
-// Output operator definition
-extern inline
-ostream& operator<<(ostream& out, const flitBuffer& obj)
+inline std::ostream&
+operator<<(std::ostream& out, const flitBuffer& obj)
 {
-  obj.print(out);
-  out << flush;
-  return out;
+    obj.print(out);
+    out << std::flush;
+    return out;
 }
 
 #endif
diff --git a/src/mem/ruby/network/simple/PerfectSwitch.cc b/src/mem/ruby/network/simple/PerfectSwitch.cc
index bddcb8412..4555ef2b3 100644
--- a/src/mem/ruby/network/simple/PerfectSwitch.cc
+++ b/src/mem/ruby/network/simple/PerfectSwitch.cc
@@ -35,6 +35,8 @@
 #include "mem/ruby/slicc_interface/NetworkMessage.hh"
 #include "mem/ruby/system/System.hh"
 
+using namespace std;
+
 const int PRIORITY_SWITCH_LIMIT = 128;
 
 // Operator for helper class
diff --git a/src/mem/ruby/network/simple/SimpleNetwork.cc b/src/mem/ruby/network/simple/SimpleNetwork.cc
index 26924c2e7..2940f19a1 100644
--- a/src/mem/ruby/network/simple/SimpleNetwork.cc
+++ b/src/mem/ruby/network/simple/SimpleNetwork.cc
@@ -38,6 +38,8 @@
 #include "mem/ruby/profiler/Profiler.hh"
 #include "mem/ruby/system/System.hh"
 
+using namespace std;
+
 #if 0
 // ***BIG HACK*** - This is actually code that _should_ be in Network.cc
 
diff --git a/src/mem/ruby/network/simple/SimpleNetwork.hh b/src/mem/ruby/network/simple/SimpleNetwork.hh
index d8ec89d49..f9cb22a6a 100644
--- a/src/mem/ruby/network/simple/SimpleNetwork.hh
+++ b/src/mem/ruby/network/simple/SimpleNetwork.hh
@@ -63,6 +63,8 @@
 #ifndef __MEM_RUBY_NETWORK_SIMPLE_SIMPLENETWORK_HH__
 #define __MEM_RUBY_NETWORK_SIMPLE_SIMPLENETWORK_HH__
 
+#include <iostream>
+
 #include "mem/gems_common/Vector.hh"
 #include "mem/ruby/common/Global.hh"
 #include "mem/ruby/network/Network.hh"
@@ -85,9 +87,9 @@ class SimpleNetwork : public Network
 
     void init();
 
-    void printStats(ostream& out) const;
+    void printStats(std::ostream& out) const;
     void clearStats();
-    void printConfig(ostream& out) const;
+    void printConfig(std::ostream& out) const;
 
     void reset();
 
@@ -112,7 +114,7 @@ class SimpleNetwork : public Network
         const NetDest& routing_table_entry, int link_latency, int link_weight,
         int bw_multiplier, bool isReconfiguration);
 
-    void print(ostream& out) const;
+    void print(std::ostream& out) const;
 
   private:
     void checkNetworkAllocation(NodeID id, bool ordered, int network_num);
@@ -138,11 +140,11 @@ class SimpleNetwork : public Network
     Vector<Switch*> m_endpoint_switches;
 };
 
-inline ostream&
-operator<<(ostream& out, const SimpleNetwork& obj)
+inline std::ostream&
+operator<<(std::ostream& out, const SimpleNetwork& obj)
 {
     obj.print(out);
-    out << flush;
+    out << std::flush;
     return out;
 }
 
diff --git a/src/mem/ruby/network/simple/Switch.cc b/src/mem/ruby/network/simple/Switch.cc
index 30403cd67..e88a24505 100644
--- a/src/mem/ruby/network/simple/Switch.cc
+++ b/src/mem/ruby/network/simple/Switch.cc
@@ -34,6 +34,8 @@
 #include "mem/ruby/network/simple/Switch.hh"
 #include "mem/ruby/network/simple/Throttle.hh"
 
+using namespace std;
+
 Switch::Switch(SwitchID sid, SimpleNetwork* network_ptr)
 {
     m_perfect_switch_ptr = new PerfectSwitch(sid, network_ptr);
@@ -129,8 +131,6 @@ Switch::getThrottles() const
 void
 Switch::printStats(std::ostream& out) const
 {
-    using namespace std;
-
     ccprintf(out, "switch_%d_inlinks: %d\n", m_switch_id,
         m_perfect_switch_ptr->getInLinks());
     ccprintf(out, "switch_%d_outlinks: %d\n", m_switch_id,
diff --git a/src/mem/ruby/network/simple/Throttle.cc b/src/mem/ruby/network/simple/Throttle.cc
index f749672e2..2d15b1141 100644
--- a/src/mem/ruby/network/simple/Throttle.cc
+++ b/src/mem/ruby/network/simple/Throttle.cc
@@ -34,6 +34,8 @@
 #include "mem/ruby/slicc_interface/NetworkMessage.hh"
 #include "mem/ruby/system/System.hh"
 
+using namespace std;
+
 const int HIGH_RANGE = 256;
 const int ADJUST_INTERVAL = 50000;
 const int MESSAGE_SIZE_MULTIPLIER = 1000;
@@ -43,7 +45,7 @@ const int PRIORITY_SWITCH_LIMIT = 128;
 
 static int network_message_to_size(NetworkMessage* net_msg_ptr);
 
-extern std::ostream *debug_cout_ptr;
+extern ostream *debug_cout_ptr;
 
 Throttle::Throttle(int sID, NodeID node, int link_latency,
     int link_bandwidth_multiplier)
diff --git a/src/mem/ruby/network/simple/Throttle.hh b/src/mem/ruby/network/simple/Throttle.hh
index 608754190..74cd7b356 100644
--- a/src/mem/ruby/network/simple/Throttle.hh
+++ b/src/mem/ruby/network/simple/Throttle.hh
@@ -38,6 +38,8 @@
 #ifndef __MEM_RUBY_NETWORK_SIMPLE_THROTTLE_HH__
 #define __MEM_RUBY_NETWORK_SIMPLE_THROTTLE_HH__
 
+#include <iostream>
+
 #include "mem/gems_common/Vector.hh"
 #include "mem/ruby/common/Consumer.hh"
 #include "mem/ruby/common/Global.hh"
@@ -59,9 +61,9 @@ class Throttle : public Consumer
         const Vector<MessageBuffer*>& out_vec);
     void wakeup();
 
-    void printStats(ostream& out) const;
+    void printStats(std::ostream& out) const;
     void clearStats();
-    void printConfig(ostream& out) const;
+    void printConfig(std::ostream& out) const;
     // The average utilization (a percent) since last clearStats()
     double getUtilization() const;
     int
@@ -80,7 +82,7 @@ class Throttle : public Consumer
 
     void clear();
 
-    void print(ostream& out) const;
+    void print(std::ostream& out) const;
 
   private:
     void init(NodeID node, int link_latency, int link_bandwidth_multiplier);
@@ -107,11 +109,11 @@ class Throttle : public Consumer
     double m_links_utilized;
 };
 
-inline ostream&
-operator<<(ostream& out, const Throttle& obj)
+inline std::ostream&
+operator<<(std::ostream& out, const Throttle& obj)
 {
     obj.print(out);
-    out << flush;
+    out << std::flush;
     return out;
 }
 
diff --git a/src/mem/ruby/network/simple/Topology.cc b/src/mem/ruby/network/simple/Topology.cc
index 3d7aa35d0..f21129255 100644
--- a/src/mem/ruby/network/simple/Topology.cc
+++ b/src/mem/ruby/network/simple/Topology.cc
@@ -36,6 +36,8 @@
 #include "mem/ruby/slicc_interface/AbstractController.hh"
 #include "mem/ruby/system/System.hh"
 
+using namespace std;
+
 const int INFINITE_LATENCY = 10000; // Yes, this is a big hack
 const int DEFAULT_BW_MULTIPLIER = 1;  // Just to be consistent with above :)
 
@@ -276,8 +278,6 @@ Topology::clearStats()
 void
 Topology::printConfig(std::ostream& out) const
 {
-    using namespace std;
-
     if (m_print_config == false)
         return;