2 * Copyright (c) 2004-2005 The Regents of The University of Michigan
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.
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,
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22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 * This devices just panics when touched. For example if you have a
31 * kernel that touches the frame buffer which isn't allowed.
34 #ifndef __DEV_BADDEV_HH__
35 #define __DEV_BADDEV_HH__
37 #include "dev/io_device.hh"
38 #include "params/BadDevice.hh"
42 * This device just panics when accessed. It is supposed to warn
43 * the user that the kernel they are running has unsupported
44 * options (i.e. frame buffer)
46 class BadDevice : public BasicPioDevice
52 typedef BadDeviceParams Params;
58 return dynamic_cast<const Params &>(_params);
63 * Constructor for the Baddev Class.
64 * @param p object parameters
65 * @param a base address of the write
67 BadDevice(const Params &p);
69 virtual Tick read(PacketPtr pkt);
70 virtual Tick write(PacketPtr pkt);
73 #endif // __DEV_BADDEV_HH__