main_net.cpp

国外开源的一个片上网络系统的源代码

/*
 *  TU Eindhoven
 *  Eindhoven, The Netherlands
 *
 *  Name            :   
 *
 *  Author          :   [e-mail]
 *
 *  Date            :   
 *
 *  Function        :   
 *
 */

#define NOVCD
//#define MIPSVCD
//#define MEMVCD
//#define ROUTERVCD

#include "netmips.h"
#include "router.h"
#include "_network2x2.h"
#include "mips_trace.h"

#ifdef MEM_DBG
#include "dbg_mem.h"
#endif

#include <time.h>

sc_signal<bool> clk;
unsigned sim_time = 0, period = 10;


int sc_main(int argc, char *argv[])
{
  char stbuf[1024];
  
  sc_signal< bool > rst, en;
  
  sc_trace_file *tf;
  tf = sc_create_vcd_trace_file("mips");

#include "_network2x2.cpp"

#ifdef MEM_DBG
  dbg_mem_init( dp_x0y0.mips, dp_x0y1.mips, dp_x1y0.mips, dp_x1y1.mips );
#endif
  
  sc_initialize();
  clk = 0; rst = 1; en = 0; 
  sc_cycle(period/2);
  clk = 1; 
  sc_cycle(period/2);
  rst = 0;
  clk = 0; 
  sc_cycle(period/2);    
  en = 1;
  
  /*
   *	Simulate program execution
   */
  int max_time = 0;
  if (argc == 2) max_time = atoi(argv[1]);
  if (max_time == 0) max_time = 500;

  bool e00=false, e10=false, e01=false, e11=false;
  
  int dump_time = time(0);
  
  while( max_time < 0 || sim_time < (unsigned)max_time )
	{
	  clk = 0;
	  sc_cycle(period/2);
	  clk = 1;
	  sc_cycle(period/2);
	  sim_time += period;
      if( sim_time % 10000 == 0 ){
        cout << dec << sim_time << '/' << max_time << " @ " << sc_time_stamp() << " PC:";
        hack_pc();
      }
      
      if( !e00 && dp_x0y0_pc.read().to_uint() == 0x28 ) {
        cout << "FINISHED x0y0 @ " << sc_time_stamp() << endl;
        e00 = true;
      }
      if( !e10 && dp_x1y0_pc.read().to_uint() == 0x28 ) {
        cout << "FINISHED x1y0 @ " << sc_time_stamp() << endl;
        e10 = true;
      }
      if( !e01 && dp_x0y1_pc.read().to_uint() == 0x28 ) {
        cout << "FINISHED x0y1 @ " << sc_time_stamp() << endl;
        e01 = true;
      }
      if( !e11 && dp_x1y1_pc.read().to_uint() == 0x28 ) {
        cout << "FINISHED x1y1 @ " << sc_time_stamp() << endl;
        e11 = true;
      }
      if( e00 && e10 && e01 && e11 ) {
        cout << "ALL FINISHED @ " << sc_time_stamp() << endl;
        break;
      }
      
      if( time(0) - dump_time >= 60 ){
        dump_time = time(0);
        dp_x0y0.mips->dmem->mem_dump("mips_ram.x0y0.dump");
        dp_x0y1.mips->dmem->mem_dump("mips_ram.x0y1.dump");
        dp_x1y0.mips->dmem->mem_dump("mips_ram.x1y0.dump");
        dp_x1y1.mips->dmem->mem_dump("mips_ram.x1y1.dump");
      }
    }

#ifndef CACHE
	dp_x0y0.mips->dmem->mem_dump("mips_ram.x0y0.dump");
	dp_x0y1.mips->dmem->mem_dump("mips_ram.x0y1.dump");
	dp_x1y0.mips->dmem->mem_dump("mips_ram.x1y0.dump");
	dp_x1y1.mips->dmem->mem_dump("mips_ram.x1y1.dump");
#else
	dp_x0y0.mips->memory->memory->mem_dump("mem.x0y0.dump");
	dp_x0y1.mips->memory->memory->mem_dump("mem.x0y1.dump");
	dp_x1y0.mips->memory->memory->mem_dump("mem.x1y0.dump");
	dp_x1y1.mips->memory->memory->mem_dump("mem.x1y1.dump");
#endif

  sc_close_vcd_trace_file(tf);
  return 0;
}