return
 
 def create_system(options, full_system, system, dma_ports, ruby_system):
-    
+
     if buildEnv['PROTOCOL'] != 'MI_example':
         panic("This script requires the MI_example protocol to be built.")
 
     cpu_sequencers = []
-    
+
     #
     # The ruby network creation expects the list of nodes in the system to be
     # consistent with the NetDest list.  Therefore the l1 controller nodes must be
         #
         dma_seq = DMASequencer(version = i,
                                ruby_system = ruby_system)
-        
+
         dma_cntrl = DMA_Controller(version = i,
                                    dma_sequencer = dma_seq,
                                    transitions_per_cycle = options.ports,
 
         panic("This script requires the MOESI_CMP_directory protocol to be built.")
 
     cpu_sequencers = []
-    
+
     #
     # The ruby network creation expects the list of nodes in the system to be
     # consistent with the NetDest list.  Therefore the l1 controller nodes must be
                                       L2cache = l2_cache,
                                       transitions_per_cycle = options.ports,
                                       ruby_system = ruby_system)
-        
+
         exec("ruby_system.l2_cntrl%d = l2_cntrl" % i)
         l2_cntrl_nodes.append(l2_cntrl)
 
         dma_seq = DMASequencer(version = i,
                                ruby_system = ruby_system,
                                slave = dma_port)
-        
+
         dma_cntrl = DMA_Controller(version = i,
                                    dma_sequencer = dma_seq,
                                    transitions_per_cycle = options.ports,
 
           help="Token_CMP: disable dyanimc timeouts, use fixed latency instead")
     parser.add_option("--allow-atomic-migration", action="store_true",
           help="allow migratory sharing for atomic only accessed blocks")
-    
+
 def create_system(options, full_system, system, dma_ports, ruby_system):
-    
+
     if buildEnv['PROTOCOL'] != 'MOESI_CMP_token':
         panic("This script requires the MOESI_CMP_token protocol to be built.")
 
     n_tokens = options.num_cpus + 1
 
     cpu_sequencers = []
-    
+
     #
     # The ruby network creation expects the list of nodes in the system to be
     # consistent with the NetDest list.  Therefore the l1 controller nodes must be
     #
     l2_bits = int(math.log(options.num_l2caches, 2))
     block_size_bits = int(math.log(options.cacheline_size, 2))
-    
+
     for i in xrange(options.num_cpus):
         #
         # First create the Ruby objects associated with this cpu
                                       N_tokens = n_tokens,
                                       transitions_per_cycle = options.ports,
                                       ruby_system = ruby_system)
-        
+
         exec("ruby_system.l2_cntrl%d = l2_cntrl" % i)
         l2_cntrl_nodes.append(l2_cntrl)
 
         dma_seq = DMASequencer(version = i,
                                ruby_system = ruby_system,
                                slave = dma_port)
-        
+
         dma_cntrl = DMA_Controller(version = i,
                                    dma_sequencer = dma_seq,
                                    transitions_per_cycle = options.ports,
 
         panic("This script requires the MOESI_hammer protocol to be built.")
 
     cpu_sequencers = []
-    
+
     #
     # The ruby network creation expects the list of nodes in the system to be
     # consistent with the NetDest list.  Therefore the l1 controller nodes must be
         dma_seq = DMASequencer(version = i,
                                ruby_system = ruby_system,
                                slave = dma_port)
-        
+
         dma_cntrl = DMA_Controller(version = i,
                                    dma_sequencer = dma_seq,
                                    transitions_per_cycle = options.ports,
 
     return
 
 def create_system(options, full_system, system, dma_ports, ruby_system):
-    
+
     if buildEnv['PROTOCOL'] != 'Network_test':
         panic("This script requires the Network_test protocol to be built.")
 
     # The Garnet tester protocol does not support fs nor dma
     #
     assert(dma_ports == [])
-    
+
     #
     # The ruby network creation expects the list of nodes in the system to be
     # consistent with the NetDest list.  Therefore the l1 controller nodes must be
 
     Cycles m_time_last_time_size_checked;
     unsigned int m_size_last_time_size_checked;
 
-    // variables used so enqueues appear to happen imediately, while
+    // variables used so enqueues appear to happen immediately, while
     // pop happen the next cycle
     Cycles m_time_last_time_enqueue;
     Tick m_time_last_time_pop;
 
     typedef RubyNetworkParams Params;
     Network(const Params *p);
     const Params * params() const
-    { return dynamic_cast<const Params *>(_params);}
+    { return dynamic_cast<const Params *>(_params); }
 
     virtual ~Network();
     virtual void init();
 
 #include "mem/ruby/network/fault_model/FaultModel.hh"
 #include "params/BaseGarnetNetwork.hh"
 
-class BaseGarnetNetwork : public Network 
+class BaseGarnetNetwork : public Network
 {
   public:
     typedef BaseGarnetNetworkParams Params;
     BaseGarnetNetwork(const Params *p);
 
     void init();
-    int getNiFlitSize() {return m_ni_flit_size; }
-    int getVCsPerVnet() {return m_vcs_per_vnet; }
-    bool isFaultModelEnabled() {return m_enable_fault_model;}
+    int getNiFlitSize() { return m_ni_flit_size; }
+    int getVCsPerVnet() { return m_vcs_per_vnet; }
+    bool isFaultModelEnabled() { return m_enable_fault_model; }
     FaultModel* fault_model;
 
     void increment_injected_flits(int vnet) { m_flits_injected[vnet]++; }
 
     ~GarnetNetwork_d();
     void init();
 
-    int getBuffersPerDataVC() {return m_buffers_per_data_vc; }
-    int getBuffersPerCtrlVC() {return m_buffers_per_ctrl_vc; }
+    int getBuffersPerDataVC() { return m_buffers_per_data_vc; }
+    int getBuffersPerCtrlVC() { return m_buffers_per_ctrl_vc; }
 
     void collateStats();
     void regStats();
     }
 
     // Methods used by Topology to setup the network
-    void makeOutLink(SwitchID src, NodeID dest, BasicLink* link, 
+    void makeOutLink(SwitchID src, NodeID dest, BasicLink* link,
                      LinkDirection direction,
                      const NetDest& routing_table_entry);
     void makeInLink(NodeID src, SwitchID dest, BasicLink* link,
 
 }
 
 void
-GarnetNetwork::makeInLink(NodeID src, SwitchID dest, BasicLink* link, 
-                          LinkDirection direction, 
+GarnetNetwork::makeInLink(NodeID src, SwitchID dest, BasicLink* link,
+                          LinkDirection direction,
                           const NetDest& routing_table_entry)
 {
     assert(src < m_nodes);
 }
 
 void
-GarnetNetwork::makeOutLink(SwitchID src, NodeID dest, BasicLink* link, 
-                           LinkDirection direction, 
+GarnetNetwork::makeOutLink(SwitchID src, NodeID dest, BasicLink* link,
+                           LinkDirection direction,
                            const NetDest& routing_table_entry)
 {
     assert(dest < m_nodes);
 
 void
 GarnetNetwork::makeInternalLink(SwitchID src, SwitchID dest, BasicLink* link,
-                                LinkDirection direction, 
+                                LinkDirection direction,
                                 const NetDest& routing_table_entry)
 {
     GarnetIntLink* garnet_link = safe_cast<GarnetIntLink*>(link);
 
 
 // From a switch to an endpoint node
 void
-SimpleNetwork::makeOutLink(SwitchID src, NodeID dest, BasicLink* link, 
-                           LinkDirection direction, 
+SimpleNetwork::makeOutLink(SwitchID src, NodeID dest, BasicLink* link,
+                           LinkDirection direction,
                            const NetDest& routing_table_entry)
 {
     assert(dest < m_nodes);
 
 // From an endpoint node to a switch
 void
-SimpleNetwork::makeInLink(NodeID src, SwitchID dest, BasicLink* link, 
-                          LinkDirection direction, 
+SimpleNetwork::makeInLink(NodeID src, SwitchID dest, BasicLink* link,
+                          LinkDirection direction,
                           const NetDest& routing_table_entry)
 {
     assert(src < m_nodes);
 
 // From a switch to a switch
 void
-SimpleNetwork::makeInternalLink(SwitchID src, SwitchID dest, BasicLink* link, 
-                                LinkDirection direction, 
+SimpleNetwork::makeInternalLink(SwitchID src, SwitchID dest, BasicLink* link,
+                                LinkDirection direction,
                                 const NetDest& routing_table_entry)
 {
     // Create a set of new MessageBuffers
 
     unsigned int mapIndexToBank(int64 idx);
 
   public:
-    BankedArray(unsigned int banks, Cycles accessLatency, unsigned int startIndexBit);
+    BankedArray(unsigned int banks, Cycles accessLatency,
+                unsigned int startIndexBit);
 
     // Note: We try the access based on the cache index, not the address
     // This is so we don't get aliasing on blocks being replaced
 
     assert(m_mandatory_q_ptr != NULL);
     m_mandatory_q_ptr->enqueue(msg);
     active_request.bytes_issued += msg->getLen();
-    DPRINTF(RubyDma, 
+    DPRINTF(RubyDma,
             "DMA request bytes issued %d, bytes completed %d, total len %d\n",
             active_request.bytes_issued, active_request.bytes_completed,
             active_request.len);
 
     if (!retryList.empty()) {
         //
         // Record the current list of ports to retry on a temporary list before
-        // calling sendRetry on those ports.  sendRetry will cause an 
+        // calling sendRetry on those ports.  sendRetry will cause an
         // immediate retry, which may result in the ports being put back on the
         // list. Therefore we want to clear the retryList before calling
         // sendRetry.
 {
     bool needsResponse = pkt->needsResponse();
 
-    // Unless specified at configuraiton, all responses except failed SC 
+    // Unless specified at configuraiton, all responses except failed SC
     // and Flush operations access M5 physical memory.
     bool accessPhysMem = access_backing_store;
 
 
         } else {
             //
             // For successful SC requests, indicate the success to the cpu by
-            // setting the extra data to one.  
+            // setting the extra data to one.
             //
             request->pkt->req->setExtraData(1);
         }
 
 void
 RubySystem::registerNetwork(Network* network_ptr)
 {
-  m_network = network_ptr;
+    m_network = network_ptr;
 }
 
 void
 RubySystem::registerAbstractController(AbstractController* cntrl)
 {
-  m_abs_cntrl_vec.push_back(cntrl);
+    m_abs_cntrl_vec.push_back(cntrl);
 
-  MachineID id = cntrl->getMachineID();
-  g_abs_controls[id.getType()][id.getNum()] = cntrl;
+    MachineID id = cntrl->getMachineID();
+    g_abs_controls[id.getType()][id.getNum()] = cntrl;
 }
 
 RubySystem::~RubySystem()
     // Restore curTick
     setCurTick(curtick_original);
 
-    // Aggergate the trace entries together into a single array
+    // Aggregate the trace entries together into a single array
     uint8_t *raw_data = new uint8_t[4096];
     uint64 cache_trace_size = m_cache_recorder->aggregateRecords(&raw_data,
                                                                  4096);
 
                            "in StateMachine.py", param.type_ast.type.c_ident)
         code.dedent()
         code.write(path, '%s.py' % py_ident)
-        
+
 
     def printControllerHH(self, path):
         '''Output the method declarations for the class declaration'''
 
             if re.compile("sequencer").search(param.ident):
                 code('m_${{param.ident}}_ptr->setController(this);')
-            
+
         for var in self.objects:
             if var.ident.find("mandatoryQueue") >= 0:
                 code('''
 </TR>
 ''')
         code('''
-<!- Column footer->     
+<!- Column footer->
 <TR>
   <TH> </TH>
 ''')
 
         # For each field
         for i,(ident,enum) in enumerate(self.enums.iteritems()):
             desc = enum.get("desc", "No description avaliable")
-            if i == 0: 
-                init = ' = %s_FIRST' % self.c_ident 
+            if i == 0:
+                init = ' = %s_FIRST' % self.c_ident
             else:
                 init = ''
             code('${{self.c_ident}}_${{enum.ident}}$init, /**< $desc */')