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/user_guide/chpt12.2/accessor.cpp | 84 ++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 src/systemc/tests/systemc/misc/user_guide/chpt12.2/accessor.cpp (limited to 'src/systemc/tests/systemc/misc/user_guide/chpt12.2/accessor.cpp') diff --git a/src/systemc/tests/systemc/misc/user_guide/chpt12.2/accessor.cpp b/src/systemc/tests/systemc/misc/user_guide/chpt12.2/accessor.cpp new file mode 100644 index 000000000..dbab69698 --- /dev/null +++ b/src/systemc/tests/systemc/misc/user_guide/chpt12.2/accessor.cpp @@ -0,0 +1,84 @@ +/***************************************************************************** + + 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. + + *****************************************************************************/ + +/***************************************************************************** + + accessor.cpp -- + + 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 accessor.cc */ +/* This is the implementation file for synchronous process 'accessor' */ + +#include "accessor.h" + +void accessor::entry() +{ + int addr; + int datao; + int datai; + + addr = 10; + datao = 0xdeadbeef; + + while (true) { + // Write memory location first + chip_select.write(true); + write_enable.write(true); + address.write(addr); + dataout.write(datao); + cout << "Accessor: Data Written = " << hex << datao << " at address " + << hex << addr << endl; + wait(memory_latency); // To make all the outputs appear at the interface + + // some process functionality not shown here during which chip + // chip select is deasserted and bus is tristated + chip_select.write(false); + dataout.write(0); + wait(); + + // Now read memory location + chip_select.write(true); + write_enable.write(false); + address.write(addr); + wait(memory_latency); // For data to appear + + datai = datain.read().to_int(); + cout << "Accessor: Data Read = " << hex << datai << " from address " + << hex << addr << endl; + chip_select.write(false); + wait(); + + addr++; + datao++; + } +} // end of entry function + -- cgit v1.2.3