Intesim2 Integration

Details: See Review 80001 https://gpgpu-sim-code-review.appspot.com/80001/

[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 16747]

1 files changed, 137 insertions, 0 deletions

diff --git a/src/intersim2/vc.hpp b/src/intersim2/vc.hpp
new file mode 100644
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+++ b/src/intersim2/vc.hpp
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+// $Id: vc.hpp 5188 2012-08-30 00:31:31Z dub $
+
+/*
+ Copyright (c) 2007-2012, Trustees of The Leland Stanford Junior University
+ All rights reserved.
+
+ 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.
+
+ 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.
+*/
+
+#ifndef _VC_HPP_
+#define _VC_HPP_
+
+#include <deque>
+
+#include "flit.hpp"
+#include "outputset.hpp"
+#include "routefunc.hpp"
+#include "config_utils.hpp"
+
+class VC : public Module {
+public:
+  enum eVCState { state_min = 0, idle = state_min, routing, vc_alloc, active, 
+		  state_max = active };
+  struct state_info_t {
+    int cycles;
+  };
+  static const char * const VCSTATE[];
+  
+private:
+
+  deque<Flit *> _buffer;
+  
+  eVCState _state;
+  
+  OutputSet *_route_set;
+  int _out_port, _out_vc;
+
+  enum ePrioType { local_age_based, queue_length_based, hop_count_based, none, other };
+
+  ePrioType _pri_type;
+
+  int _pri;
+
+  int _priority_donation;
+
+  bool _watched;
+
+  int _expected_pid;
+
+  int _last_id;
+  int _last_pid;
+
+  bool _lookahead_routing;
+
+public:
+  
+  VC( const Configuration& config, int outputs,
+      Module *parent, const string& name );
+  ~VC();
+
+  void AddFlit( Flit *f );
+  inline Flit *FrontFlit( ) const
+  {
+    return _buffer.empty() ? NULL : _buffer.front();
+  }
+  
+  Flit *RemoveFlit( );
+  
+  
+  inline bool Empty( ) const
+  {
+    return _buffer.empty( );
+  }
+
+  inline VC::eVCState GetState( ) const
+  {
+    return _state;
+  }
+
+
+  void SetState( eVCState s );
+
+  const OutputSet *GetRouteSet( ) const;
+  void SetRouteSet( OutputSet * output_set );
+
+  void SetOutput( int port, int vc );
+
+  inline int GetOutputPort( ) const
+  {
+    return _out_port;
+  }
+
+
+  inline int GetOutputVC( ) const
+  {
+    return _out_vc;
+  }
+
+  void UpdatePriority();
+ 
+  inline int GetPriority( ) const
+  {
+    return _pri;
+  }
+  void Route( tRoutingFunction rf, const Router* router, const Flit* f, int in_channel );
+
+  inline int GetOccupancy() const
+  {
+    return (int)_buffer.size();
+  }
+
+  // ==== Debug functions ====
+
+  void SetWatch( bool watch = true );
+  bool IsWatched( ) const;
+  void Display( ostream & os = cout ) const;
+};
+
+#endif