From 16fa8d7cc8c92f5ab879e4cf9c6c0bbb3567860f Mon Sep 17 00:00:00 2001 From: Gabe Black Date: Thu, 24 May 2018 01:37:55 -0700 Subject: systemc: Import tests from the Accellera systemc distribution. Change-Id: Iad76b398949a55d768a34d027a2d8e3739953da6 Reviewed-on: https://gem5-review.googlesource.com/10845 Reviewed-by: Giacomo Travaglini Maintainer: Gabe Black --- .../general/arith/addition/bitwidth/bitwidth.cpp | 99 ++++++++++++++++++++++ 1 file changed, 99 insertions(+) create mode 100644 src/systemc/tests/systemc/misc/cae_test/general/arith/addition/bitwidth/bitwidth.cpp (limited to 'src/systemc/tests/systemc/misc/cae_test/general/arith/addition/bitwidth/bitwidth.cpp') diff --git a/src/systemc/tests/systemc/misc/cae_test/general/arith/addition/bitwidth/bitwidth.cpp b/src/systemc/tests/systemc/misc/cae_test/general/arith/addition/bitwidth/bitwidth.cpp new file mode 100644 index 000000000..df19755c1 --- /dev/null +++ b/src/systemc/tests/systemc/misc/cae_test/general/arith/addition/bitwidth/bitwidth.cpp @@ -0,0 +1,99 @@ +/***************************************************************************** + + 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. + + *****************************************************************************/ + +/***************************************************************************** + + bitwidth.cpp -- + + Original Author: Rocco Jonack, Synopsys, Inc., 1999-08-02 + + *****************************************************************************/ + +/***************************************************************************** + + MODIFICATION LOG - modifiers, enter your name, affiliation, date and + changes you are making here. + + Name, Affiliation, Date: + Description of Modification: + + *****************************************************************************/ + +#include "bitwidth.h" + +void bitwidth::entry(){ + + sc_bigint<4> tmp1; + sc_biguint<4> tmp2; + sc_bigint<6> tmp3; + sc_biguint<6> tmp4; + sc_bigint<8> tmp5; + sc_biguint<8> tmp6; + + // 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(); + tmp6 = in_value6.read(); + + //execute simple operations + // expected bitwidth 4 4 4 signed + tmp1 = tmp1 + tmp2; + // expected bitwidth 4 6 6 signed + tmp3 = tmp1 + tmp3; + // expected bitwidth 4 4 6 signed + tmp6 = tmp2 + tmp1; + // expected bitwidth 8 8 6 signed + tmp4 = tmp5 + tmp6; + // expected bitwidth 6 8 4 unsigned + tmp2 = tmp4 + tmp6; + wait(); + + // write outputs + out_value1.write(tmp1); + out_value2.write(tmp2); + out_value3.write(tmp3); + out_value4.write(tmp4); + out_value5.write(tmp5); + out_value6.write(tmp6); + out_valid.write(true); + wait(); + out_valid.write(false); + wait(); + } +} + +// EOF + -- cgit v1.2.3