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 --- .../sim_tests/cycle_dw8051_demo/peripheral.cpp | 65 ++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 src/systemc/tests/systemc/misc/sim_tests/cycle_dw8051_demo/peripheral.cpp (limited to 'src/systemc/tests/systemc/misc/sim_tests/cycle_dw8051_demo/peripheral.cpp') diff --git a/src/systemc/tests/systemc/misc/sim_tests/cycle_dw8051_demo/peripheral.cpp b/src/systemc/tests/systemc/misc/sim_tests/cycle_dw8051_demo/peripheral.cpp new file mode 100644 index 000000000..2fdb37151 --- /dev/null +++ b/src/systemc/tests/systemc/misc/sim_tests/cycle_dw8051_demo/peripheral.cpp @@ -0,0 +1,65 @@ +/***************************************************************************** + + 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. + + *****************************************************************************/ + +/***************************************************************************** + + peripheral.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: + + *****************************************************************************/ + +#include "peripheral.h" + +void peripheral::entry() { + unsigned int buffer_in = 0; + unsigned int buffer_out = 0; + wait(); + + while(true) { + unsigned int addr = mem_addr.read().to_uint(); + unsigned int data = mem_data_out.read().to_uint(); + + if(!mem_wr_n.read() && (addr==0x10)) { + // write + cout << "peripheral: receive " << data << endl; + buffer_in = data; + wait(100); + buffer_out = buffer_in; + } + + if(!mem_rd_n.read() && (addr==0x11)) { + // read + mem_data_in.write( sc_bv<8>( buffer_out ) ); + cout << "peripheral: send " << buffer_out << endl; + wait(); + } + wait(); + } +} -- cgit v1.2.3