io_device.cc revision 679 
1/*
2 * Copyright (c) 2003 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include "dev/io_device.hh"
30#include "mem/bus/base_interface.hh"
31#include "mem/bus/dma_interface.hh"
32#include "sim/builder.hh"
33
34PioDevice::PioDevice(const std::string &name)
35    : FunctionalMemory(name), pioInterface(NULL)
36{}
37
38PioDevice::~PioDevice()
39{
40    if (pioInterface)
41        delete pioInterface;
42}
43
44DEFINE_SIM_OBJECT_CLASS_NAME("PioDevice", PioDevice)
45
46DmaDevice::DmaDevice(const std::string &name)
47    : PioDevice(name), dmaInterface(NULL)
48{}
49
50DmaDevice::~DmaDevice()
51{
52    if (dmaInterface)
53        delete dmaInterface;
54}
55
56DEFINE_SIM_OBJECT_CLASS_NAME("DmaDevice", DmaDevice)
57
58