1 files changed, 63 insertions, 0 deletions
diff --git a/src/intersim/router.hpp b/src/intersim/router.hpp
new file mode 100644
index 0000000..d2dff13
--- /dev/null
+++ b/src/intersim/router.hpp
@@ -0,0 +1,63 @@
+#ifndef _ROUTER_HPP_
+#define _ROUTER_HPP_
+
+#include <string>
+#include <vector>
+
+#include "module.hpp"
+#include "flit.hpp"
+#include "credit.hpp"
+#include "config_utils.hpp"
+
+class Router : public Module {
+protected:
+   int _id;
+
+   int _inputs;
+   int _outputs;
+
+   int _input_speedup;
+   int _output_speedup;
+
+   int _routing_delay;
+   int _vc_alloc_delay;
+   int _sw_alloc_delay;
+   int _st_prepare_delay;
+   int _st_final_delay;
+
+   int _credit_delay;
+
+   vector<Flit **>   *_input_channels;
+   vector<Credit **> *_input_credits;
+   vector<Flit **>   *_output_channels;
+   vector<Credit **> *_output_credits;
+   vector<bool>      *_channel_faults;
+
+   Credit *_NewCredit( int vcs = 1 );
+   void    _RetireCredit( Credit *c );
+
+public:
+   Router( const Configuration& config,
+           Module *parent, string name, int id,
+           int inputs, int outputs );
+
+   virtual ~Router( );
+
+   static Router *NewRouter( const Configuration& config,
+                             Module *parent, string name, int id,
+                             int inputs, int outputs );
+
+   void AddInputChannel( Flit **channel, Credit **backchannel );
+   void AddOutputChannel( Flit **channel, Credit **backchannel );
+
+   virtual void ReadInputs( ) = 0;
+   virtual void InternalStep( ) = 0;
+   virtual void WriteOutputs( ) = 0;
+
+   void OutChannelFault( int c, bool fault = true );
+   bool IsFaultyOutput( int c ) const;
+
+   int GetID( ) const;
+};
+
+#endif