xref: /gem5/src/systemc/tests/systemc/misc/cae_test/general/control/if_test/datatypes/datatypes.cpp

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  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
  implied.  See the License for the specific language governing
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/*****************************************************************************

  datatypes.cpp --

  Original Author: Rocco Jonack, Synopsys, Inc., 1999-07-22

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

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

  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
  changes you are making here.

      Name, Affiliation, Date:
  Description of Modification:

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


#include "datatypes.h"

void datatypes::entry() {

  sc_biguint<4>   tmp1;
  sc_bigint<4>    tmp2;
  sc_lv<4>        tmp3;
  sc_bv<4>        tmp4;

  // reset_loop
    if (reset.read() == true) {
      out_value1.write(0);
      out_value2.write(0);
      out_value3.write(0);
      out_value4.write(0);
      out_valid.write(false);
      wait();
    } else wait();

  //
  // main loop
  //
  while(1) {
    do { wait(); } while  (in_valid == false);

    // reading inputs
    tmp1 = in_value1.read();
    tmp2 = in_value2.read();
    tmp3 = in_value3.read();
    tmp4 = in_value4.read();

    // checking if condition on a range of bits
    if (tmp1.range(1,3) == 4) {
	out_value1.write(3);
    } else if (tmp1.range(3,1) == 4) {
	out_value1.write(2);
    } else {
	out_value1.write(tmp1);
    };
    wait();

    // checking if condition on bit part
    if (tmp2[2]) {
      out_value2.write(3);
    } else if ((bool)tmp1[1]==true) {
	out_value2.write(2);
    } else {
      out_value2.write(tmp2);
    };
    wait();

    // checking if condition on a range of bits in complex condition
    if (tmp3.range(1,3)=="000" || ((tmp3.range(3,1).to_uint()!=4) &&
	tmp3.range(3,1).to_uint()!=5 && tmp3.range(3,1).to_uint()!=6 &&
	tmp3.range(3,1).to_uint()!=7)) {
      out_value3.write(1);
    } else {
      out_value3.write(tmp3);
    };

   // checking if condition on a range of bits in complex condition
   // on signal reads inside condition
    if (in_value4.read().range(1,3)=="000" ||
	(in_value4.read().range(3,1).to_uint()!=4 &&
	 in_value4.read().range(3,1).to_uint()!=5 &&
	 in_value4.read().range(3,1).to_uint()!=6 &&
	 in_value4.read().range(3,1).to_uint()!=7)) {
      out_value4.write(1);
    } else {
      out_value4.write(tmp4);
    };

    out_valid.write(true);
    wait();
    out_valid.write(false);

  }
}

// EOF