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/*****************************************************************************
Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
more contributor license agreements. See the NOTICE file distributed
with this work for additional information regarding copyright ownership.
Accellera licenses this file to you under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with the
License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
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
permissions and limitations under the License.
*****************************************************************************/
/*****************************************************************************
addition.cpp --
Original Author: Rocco Jonack, Synopsys, Inc., 1999-05-12
*****************************************************************************/
/*****************************************************************************
MODIFICATION LOG - modifiers, enter your name, affiliation, date and
changes you are making here.
Name, Affiliation, Date:
Description of Modification:
*****************************************************************************/
#include "addition.h"
void addition::entry(){
int tmp1;
sc_bigint<4> tmp2;
sc_biguint<4> tmp3;
sc_bigint<8> tmp4;
sc_biguint<8> tmp5;
// reset_loop
if (reset.read() == true) {
out_valid.write(false);
wait();
} else wait();
//
// main loop
//
//
while(1) {
while(in_valid.read()==false) wait();
wait();
//reading the inputs
tmp1 = in_value1.read();
tmp2 = in_value2.read();
tmp3 = in_value3.read();
tmp4 = in_value4.read();
tmp5 = in_value5.read();
//execute simple operations
tmp1 = tmp1 + 1;
tmp2 = tmp2 + 1;
tmp3 = tmp3 + 1;
tmp4 = tmp4 + 1;
tmp5 = tmp5 + 1;
wait();
// write outputs
out_value1.write(tmp1);
out_value2.write(tmp2);
out_value3.write(tmp3);
out_value4.write(tmp4);
out_value5.write(tmp5);
out_valid.write(true);
wait();
out_valid.write(false);
wait();
// execute increment post-operation and write outputs
out_value1.write(tmp1++);
out_value2.write(tmp2++);
out_value3.write(tmp3++);
out_value4.write(tmp4++);
out_value5.write(tmp5++);
out_valid.write(true);
wait();
out_valid.write(false);
wait();
// execute increment pre-operation and write outputs
out_value1.write(++tmp1);
out_value2.write(++tmp2);
out_value3.write(++tmp3);
out_value4.write(++tmp4);
out_value5.write(++tmp5);
out_valid.write(true);
wait();
out_valid.write(false);
wait();
//execute operations with overflow
tmp1 = tmp1 + 254;
tmp2 = tmp2 + 254;
tmp3 = tmp3 + 254;
tmp4 = tmp4 + 254;
tmp5 = tmp5 + 254;
wait();
// write outputs
out_value1.write(tmp1);
out_value2.write(tmp2);
out_value3.write(tmp3);
out_value4.write(tmp4);
out_value5.write(tmp5);
out_valid.write(true);
wait();
out_valid.write(false);
wait();
//execute operations with self assignment
tmp1 += 254;
tmp2 += 254;
tmp3 += 254;
tmp4 += 254;
tmp5 += 254;
wait();
// write outputs
out_value1.write(tmp1);
out_value2.write(tmp2);
out_value3.write(tmp3);
out_value4.write(tmp4);
out_value5.write(tmp5);
out_valid.write(true);
wait();
out_valid.write(false);
wait();
//execute operations with signed and unsigned mix and mixed bit width
tmp1 = (tmp3 + tmp2).to_int();
tmp2 = tmp2 + tmp4;
tmp3 = tmp3 + tmp5;
tmp4 = tmp4 + tmp5;
tmp5 = tmp4 + tmp5;
wait();
// write outputs
out_value1.write(tmp1);
out_value2.write(tmp2);
out_value3.write(tmp3);
out_value4.write(tmp4);
out_value5.write(tmp5);
out_valid.write(true);
wait();
out_valid.write(false);
wait();
}
}
// EOF
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