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, 97 insertions, 0 deletions

diff --git a/src/intersim2/pipefifo.hpp b/src/intersim2/pipefifo.hpp
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+++ b/src/intersim2/pipefifo.hpp
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+// $Id: pipefifo.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 _PIPEFIFO_HPP_
+#define _PIPEFIFO_HPP_
+
+#include <vector>
+
+#include "module.hpp"
+
+template<class T> class PipelineFIFO : public Module {
+  int _lanes;
+  int _depth;
+
+  int _pipe_len;
+  int _pipe_ptr;
+  
+  vector<vector<T*> > _data;
+
+public:
+  PipelineFIFO( Module *parent, const string& name, int lanes, int depth );
+  ~PipelineFIFO( );
+
+  void Write( T* val, int lane = 0 );
+  void WriteAll( T* val );
+
+  T*   Read( int lane = 0 );
+
+  void Advance( );
+};
+
+template<class T> PipelineFIFO<T>::PipelineFIFO( Module *parent, 
+						 const string& name, 
+						 int lanes, int depth ) :
+  Module( parent, name ),
+  _lanes( lanes ), _depth( depth )
+{
+  _pipe_len = depth + 1;
+  _pipe_ptr = 0;
+
+  _data.resize(_lanes);
+  for ( int l = 0; l < _lanes; ++l ) {
+    _data[l].resize(_pipe_len, 0);
+  }
+}
+
+template<class T> PipelineFIFO<T>::~PipelineFIFO( ) 
+{
+}
+
+template<class T> void PipelineFIFO<T>::Write( T* val, int lane )
+{
+  _data[lane][_pipe_ptr] = val;
+}
+
+template<class T> void PipelineFIFO<T>::WriteAll( T* val )
+{
+  for ( int l = 0; l < _lanes; ++l ) {
+    _data[l][_pipe_ptr] = val;
+  }
+}
+
+template<class T> T* PipelineFIFO<T>::Read( int lane )
+{
+  return _data[lane][_pipe_ptr];
+}
+
+template<class T> void PipelineFIFO<T>::Advance( )
+{
+  _pipe_ptr = ( _pipe_ptr + 1 ) % _pipe_len;
+}
+
+#endif