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 --- .../systemc/misc/sim_tests/biquad/biquad2/biquad.h | 79 ++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 src/systemc/tests/systemc/misc/sim_tests/biquad/biquad2/biquad.h (limited to 'src/systemc/tests/systemc/misc/sim_tests/biquad/biquad2/biquad.h') diff --git a/src/systemc/tests/systemc/misc/sim_tests/biquad/biquad2/biquad.h b/src/systemc/tests/systemc/misc/sim_tests/biquad/biquad2/biquad.h new file mode 100644 index 000000000..dd25ed436 --- /dev/null +++ b/src/systemc/tests/systemc/misc/sim_tests/biquad/biquad2/biquad.h @@ -0,0 +1,79 @@ +/***************************************************************************** + + 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. + + *****************************************************************************/ + +/***************************************************************************** + + biquad.h -- + + Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15 + + *****************************************************************************/ + +/***************************************************************************** + + MODIFICATION LOG - modifiers, enter your name, affiliation, date and + changes you are making here. + + Name, Affiliation, Date: + Description of Modification: + + *****************************************************************************/ + +/* Filename biquad.h */ +/* This is the interface file for synchronous process `biquad' */ + +#include "systemc.h" + +SC_MODULE( biquad ) +{ + SC_HAS_PROCESS( biquad ); + + sc_in_clk clk; + + sc_in in; + sc_in reset; + sc_out out; + + int num_taps; //internal variable + float Del[4]; //internal variable + float Cte[5]; //internal variable + + // Constructor + biquad( sc_module_name NAME, + sc_clock& CLK, + sc_signal& IN1, + sc_signal& RESET, + sc_signal& OUT1 ) + { + clk(CLK); + in(IN1); reset(RESET); out(OUT1); + SC_CTHREAD( entry, clk.pos() ); + reset_signal_is(reset,true); + // initialize the coefficient matrix + Cte[0] = 1.0; + Cte[1] = 2.0; + Cte[2] = 1.0; + Cte[3] = 0.75; + Cte[4] = -0.125; + Del[0] = Del[1] = Del[2] = Del[3] = 0.0; + } + + // Process functionality in member function below + void entry(); +}; -- cgit v1.2.3