xref: /gem5/src/systemc/tests/systemc/misc/synth/concat/fncall/test.cpp

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

  test.cpp --

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

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

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

  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
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//
//	Verifies the functionality of concanetation operation.
//	Operands are arguments to a function
//
//	Author: PRP
//	Date Created: 19 Feb 99
//


#include "systemc.h"
#include "test.h"

sc_lv_base AND_fn (const sc_lv_base &a, const sc_lv_base &b)
{
  return a | b;
}

sc_lv_base OR_fn (const sc_lv_base &a, const sc_lv_base &b)
{
  return a & b;
}

void test::entry()
{
  sc_lv<8> a;
  sc_lv<8> b;
  sc_lv<8> c;
  sc_lv<8> d;
  sc_lv<24> e;
  sc_lv<24> f;

  sc_logic k;
  sc_logic n;
  sc_logic m, o, p, q, r, s, t, u;

  sc_lv<32> x;
  sc_lv<32> y;
  sc_lv<32> z;
  sc_lv<32> z1;


  while (true) {

  wait ();

  a = "00000000";  	// 0
  b = "00000001";	// 1
  c = "00000011";	// 3
  d = "00001111";	// 15
  e = "000000000000000000000001"; // 1
  f = "000000000000000000001010"; // 10

  // =============== Array + Array ====================================
  // variable + variable, cascading
  x = OR_fn ((a, b, c, d), (d, c, b, a));
  // x = 00001111 00000011 00000011 00001111

  // variable + constant, cascading, composition
  y = AND_fn  (((a, b, c), "00000000"), (d, "00000000", b, a));
  // y = 00000000 00000000 00000001 00000000

  // constant + constant
  z = OR_fn (( sc_lv_base( "0000000000000000" ), "1000000000000000"), x);
  // z = 00001111 00000011 10000011 00001111

  z = z & (~y);
  // z = 00001111 00000011 10000010 00001111

  // =============== Array (variable) + Scalar ==============================

  n = '1';
  o = '0';
  z = OR_fn (z, ( sc_lv_base( n ), "000000000000000", "0000000000000000"));
  // z = 10001111 00000011 10000010 00001111

  z =  OR_fn (z, ( sc_lv_base( "00000000" ), o, n, d, "00000000000000"));
  // z = 10001111 01000011 11000010 00001111

  k = '1';
  z =  OR_fn (z, ( sc_lv_base( "00000000" ), "00", k, "00000", "0000000000000000"));
  // z = 10001111 01100011 11000010 00001111

  // =============== Null Vector ====================================

  z = AND_fn (z, (( sc_lv_base( o ), sc_lv_base( k ), "111111"), "111111111111111111111111"));
  // z = 00001111 01100011 11000010 00001111

  // =============== LHS/RHS of different widths ==============================

  z1 = OR_fn (z, sc_lv_base( "00000000000000000000000000000000" )); // length of string = 32

  o1 = z.to_int();  // o1 = 00001111 01100011 11000010 00001111
  wait();

  }
}