xref: /gem5/src/systemc/tests/systemc/misc/cae_test/general/arith/divide/datatypes/datatypes.cpp

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

  datatypes.cpp --

  Original Author: Rocco Jonack, Synopsys, Inc., 1999-12-10

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

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

  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<2>     tmp1;
  sc_bigint<2>      tmp2;
  sc_biguint<3>     tmp3;
  sc_bigint<3>      tmp4;
  sc_biguint<2>     tmp1r;
  sc_bigint<2>      tmp2r;
  sc_biguint<3>     tmp3r;
  sc_bigint<3>      tmp4r;

  // reset_loop
    out_valid.write(false);
    out_ack.write(false);
    wait();

  //
  // main loop
  //

  while(1) {
    //input handshake
    while(in_valid.read()==false) wait();

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

    // input handshake
    out_ack.write(true);

    //execute datatypes operations
    // unsigned(2) <- signed(3)/unsigned(2)
    tmp1r = tmp4 / tmp1;
    // signed(2) <-  unsigned(2)/signed(3)
    tmp2r = tmp1 / tmp4;
    // unsigned(3) <- unsigned(3)/unsigned(2)
    tmp3r = tmp3 / tmp1;
    // signed(3) <- signed(3)/signed(2)
    tmp4r = tmp4 / tmp2;

    // write outputs
    out_value1.write(tmp1r);
    out_value2.write(tmp2r);
    out_value3.write(tmp3r);
    out_value4.write(tmp4r);

    //output handshake
    out_valid.write(true);
    wait();

    //input handshake
    out_ack.write(false);

    //output handshake
    out_valid.write(false);
    wait();
  }
}

// EOF