xref: /gem5/src/systemc/tests/systemc/misc/user_guide/chpt7.1/testbench.cpp

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

  testbench.cpp --

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

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

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  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
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/* Filename testbench.cc */
/* This is the implementation file for synchronous process `testbench' */

#include <math.h>
#include "testbench.h"
#include "isaac.h"

QTIsaac<8> rng;

int add(int a, int b)
{
  return (a + b);
}

int adder_sub(int a, int b, int c, int *d)
{
  int sum;

  sum = add(a, b);
  sum = add(sum, c);
  *d = a - b;
  return (sum);
}

void testbench::entry()
{
  int a, b, c, d;
  int sum;
  int i;

  for (i=0; i < 10; i++) {
    a = rng.rand() & 0x0fffffff;
    b = rng.rand() & 0x0fffffff;
    c = rng.rand() & 0x0fffffff;

    sum = adder_sub(a, b, c, &d);
    // printf("A = %d, B = %d, C = %d, D = %d, SUM = %d\n", a, b, c, d, sum);
    char buf[BUFSIZ];
    sprintf(buf, "A = %d, B = %d, C = %d, D = %d, SUM = %d\n", a, b, c, d, sum);
    cout << buf;
  }
  sc_stop();
} // end of entry function