genericRouter4Stg.h

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00001 /*
00002  * =====================================================================================
00003  *
00004  *       Filename:  genericRouterVct.h
00005  *
00006  *    Description:  
00007  *
00008  *        Version:  1.0
00009  *        Created:  03/11/2010 08:56:06 PM
00010  *       Revision:  none
00011  *       Compiler:  gcc
00012  *
00013  *         Author:  Mitchelle Rasquinha (), mitchelle.rasquinha@gatech.edu
00014  *        Company:  Georgia Institute of Technology
00015  *
00016  * =====================================================================================
00017  */
00018 
00019 #ifndef  _genericRouter4Stg_h_INC
00020 #define  _genericRouter4Stg_h_INC
00021 
00022 #include        "../interfaces/router.h"
00023 #include        "genericBuffer.h"
00024 #include        "genericRC.h"
00025 //#include      "pvtopv_swa.h"
00026 #include        "genericVcAllocator.h"
00027 #include        "ptopSwaVcs.h"
00028 #include        "genericCrossbar.h"
00029 #include        "genericEvents.h"
00030 #include        "../../../util/genericData.h"
00031 #include        "../../../util/stats.h"
00032 #include        "genericLink.h"
00033 #include        <sys/time.h>
00034 #include        <algorithm>
00035 
00036 extern uint send_early_credit;
00037 extern uint stat_print_level;
00038 extern uint do_two_stage_router;
00039 extern void print_state_at_deadlock(void);
00040 extern IrisStats* istat;
00041 
00067 class GenericRouter4Stg: public Router
00068 {
00069     public:
00070         GenericRouter4Stg ();                             
00071         ~GenericRouter4Stg();                             
00072         void init(uint ports, uint vcs, uint credits, uint buffer_size);
00076         void set_no_nodes( uint nodes);                 
00079         void set_grid_x_location ( uint a, uint b, uint c);
00080         void set_grid_y_location ( uint a, uint b, uint c);
00081 
00082         void send_credit_back( uint i);
00083 
00084         void process_event(IrisEvent* e);
00085 //        uint get_credits_for(uint op);
00086         string toString() const;
00087         string print_stats();
00088         void set_edge_links();
00089         vector< vector<uint> > downstream_credits;
00090         void dump_buffer_state();
00091 
00093         uint packets;
00094         uint flits;
00095         double total_packet_latency;
00096         double last_flit_out_cycle;
00097         unsigned long long int stat_sim_total_time;
00098         vector< vector<uint> > stat_packet_out;
00099         vector< vector<uint> > stat_flit_out;
00100         bool is_mc_router;
00101 
00102     protected:
00103 
00104     private:
00105         vector <GenericBuffer> in_buffers;
00106         vector <GenericRC> decoders;
00107         vector <InputBufferState> input_buffer_state;
00108         GenericVcAllocator vca;
00109         PToPSwitchArbiterVcs swa;
00110         GenericCrossbar xbar;
00111         vector <uint> available_ports;
00112         vector <uint> available_vcs;
00113         vector < vector<uint> > cr_time;
00114 
00115         bool ticking;
00116         void handle_link_arrival_event(IrisEvent* e);
00117         void handle_tick_event(IrisEvent* e);
00118         void handle_detect_deadlock_event(IrisEvent*);
00119         void do_switch_traversal();
00120         void do_switch_allocation();
00121 
00122 }; /* -----  end of class GenericRouter4Stg  ----- */
00123 
00124 #endif   /* ----- #ifndef _genericRouter4Stg_h_INC  ----- */
00125