reset_stim.h

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/*****************************************************************************

  reset_stim.h -- 

  Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15

 *****************************************************************************/

/*****************************************************************************

  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
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#include "define.h"

/******************************************************************************/
/***************************   reset_stim Function       **********************/
/******************************************************************************/
bool_vector8 mem [LIMIT + 1]; // Stimulus input memory

SC_MODULE( RESET_STIM )
{
    SC_HAS_PROCESS( RESET_STIM );

    sc_in_clk clk;

  /*** Input and Output Ports ***/
  sc_signal<bool>&      ready;
  sc_signal<bool>&      reset;
  sc_signal<int>&       addr;

  /*** Constructor ***/
  RESET_STIM (   sc_module_name         NAME,
                      sc_clock&    TICK_N,
                      sc_signal<bool>&  READY,
                      sc_signal<bool>&  RESET,
                      sc_signal<int>&   ADDR   )
 
    : 
                ready (READY),
                reset (RESET),
                addr  (ADDR)

    {
                clk (TICK_N);
        SC_CTHREAD( entry, clk.neg() );
    }
 
  /*** Call to Process Functionality ***/
  void entry();
 
};
 
void
RESET_STIM::entry()
{

//  LOAD MEMORY WITH DATA AT TIME ZERO

  ifstream              stimulus ("add_chain/add_chain.dat");
  char                  buffer[WIDTH+1];

  for(int i=1; i < LIMIT+1; i++) {
      stimulus >> buffer;
      mem[i] = buffer;  
  }
  
  stimulus.close();
 
//  INITIALIZE reset AND addr, THEN REMOVE RESET AFTER 2 CLOCK CYCLES 

  reset.write(0);       // reset = 0
  addr.write(1);        // addr = 1
  wait(2);

  reset.write(1);       // reset = 1
  wait();

// WAIT FOR LAST MEMORY ADDRESS, THEN 3 CLOCKS, THEN STOP SIMULATION 

  // do { wait(); } while (addr == LIMIT);      
  do { wait(); } while (!(addr == LIMIT));
  wait(LATENCY);
  do { wait(); } while (ready != 1);                    
  sc_stop();
  halt();
}