1 files changed, 43 insertions, 0 deletions
diff --git a/src/intersim/buffer_state.hpp b/src/intersim/buffer_state.hpp
new file mode 100644
index 0000000..8418f02
--- /dev/null
+++ b/src/intersim/buffer_state.hpp
@@ -0,0 +1,43 @@
+#ifndef _BUFFER_STATE_HPP_
+#define _BUFFER_STATE_HPP_
+
+#include "module.hpp"
+#include "flit.hpp"
+#include "credit.hpp"
+#include "config_utils.hpp"
+
+class BufferState : public Module {
+
+   int  _wait_for_tail_credit;
+   int  _buf_size;
+   int  _vcs;
+
+   int  _last_avail;
+
+   bool *_in_use;
+   bool *_tail_sent;
+   int  *_cur_occupied;
+
+   void _Init( const Configuration& config );
+
+public:
+    BufferState() : Module( ) {}
+   void init( const Configuration& config );
+   BufferState( const Configuration& config, 
+                Module *parent, const string& name );
+   ~BufferState( );
+
+   void ProcessCredit( Credit *c );
+   void SendingFlit( Flit *f );
+
+   void TakeBuffer( int vc = 0 );
+
+   bool IsFullFor( int vc = 0 ) const;
+   bool IsAvailableFor( int vc = 0 ) const;
+
+   int FindAvailable( );
+
+   void Display( ) const;
+};
+
+#endif