mcFrontEnd.h

Go to the documentation of this file.
00001 /*
00002  * =====================================================================================
00003  *
00004  *       Filename:  mcFrontEnd.h
00005  *
00006  *    Description: This is the interface to connect to the memory controller
00007  *    module. 
00008  *
00009  *        Version:  1.0
00010  *        Created:  03/11/2010 05:00:00 PM
00011  *       Revision:  none
00012  *       Compiler:  gcc
00013  *
00014  *         Author:  Mitchelle Rasquinha (), mitchelle.rasquinha@gatech.edu
00015  *        Company:  Georgia Institute of Technology
00016  *
00017  * =====================================================================================
00018  */
00019 
00020 #ifndef  _mcFrontEnd_h_INC
00021 #define  _mcFrontEnd_h_INC
00022 
00023 #include        "../interfaces/processor.h"
00024 #include        "../../data_types/impl/highLevelPacket.h"
00025 #include        "../../data_types/impl/irisEvent.h"
00026 #include        "../../../util/genericData.h"
00027 #include        "../../../util/mc_constants.h"
00028 #include        "../../../memctrl/request.h"
00029 #include        "../../../memctrl/mshr.h"
00030 #include        <fstream>
00031 #include        <algorithm>
00032 
00033 #define DEFAULT_RAN_MAX_TIME 100
00034 extern uint MC_ADDR_BITS;
00035 extern uint no_mcs;
00036 extern vector <uint> mc_positions;
00037 
00038 using namespace std;
00039 
00040 class McFrontEnd : public Processor
00041 {
00042     public:
00043         McFrontEnd ();                             /* constructor */
00044         ~McFrontEnd ();
00045         Component* mc;
00046         vector<Request> niQueue;
00047         void setup(uint no_nodes, uint vcs, uint max_sim_time);
00048         void finish();
00049         void process_event(IrisEvent* e);
00050         string toString() const;
00051         uint node_ip;
00052         void set_no_vcs ( uint v );
00053         void set_output_path( string v );
00054         bool compare();
00055         string print_stats() const;
00056         bool sending;
00057 
00058     protected:
00059 
00060     private:
00061         double last_pkt_out_cycle;
00062         ullint last_out_pull_cycle;
00063         unsigned long long int total_missed_time;
00064         unsigned long long int total_backward_time;
00065         uint missed_time;
00066         unsigned long long int packets_out;
00067         ullint resp_buff_occ_cycles;
00068         ullint avg_resp_buff_occ;
00069 
00070         uint vcs;
00071         uint no_nodes;
00072         unsigned int packets;
00073         unsigned long long int max_sim_time;
00074         deque< HighLevelPacket > out_packets;
00075         deque< HighLevelPacket > sent_packets;
00076         vector <HighLevelPacket*> outstanding_hlp;
00077         string out_filename;
00078         string trace_name;
00079         ofstream out_file;
00080         fstream trace_filename;
00081         vector< bool > ready;
00082         unsigned int last_vc;
00083         unsigned int flast_vc;
00084         void handle_new_packet_event( IrisEvent* e);
00085         void handle_old_packet_event( IrisEvent* e);
00086         void handle_ready_event(IrisEvent* e);
00087         void handle_out_pull_event(IrisEvent* e);
00088         void handle_detect_deadlock_event(IrisEvent*);
00089         void convertToBitStream(Request* req, HighLevelPacket *hlp);
00090         void convertFromBitStream(Request* req, HighLevelPacket *hlp);
00091         bool GetFrommcFrontEndQueue(Request* req);
00092         void add_mc_bits(Request *req);
00093         void strip_mc_bits(Request *req);
00094 }; /* -----  end of class mcFrontEnd  ----- */
00095 
00096 #endif   /* ----- #ifndef _mcFrontEnd_h_INC  ----- */