2 * Copyright (c) 2004-2006 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,
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.
30 * This device acts as a simple time of date device. It's implemented as a
31 * simple device register read.
34 #ifndef __DEV_SPARC_DTOD_HH__
35 #define __DEV_SPARC_DTOD_HH__
39 #include "dev/io_device.hh"
40 #include "params/DumbTOD.hh"
43 * DumbTOD simply returns some idea of time when read. Until we finish with
44 * legion it starts with the start time and increments itself by 1000 each time.
46 class DumbTOD : public BasicPioDevice
52 typedef DumbTODParams Params;
53 DumbTOD(const Params &p);
58 return dynamic_cast<const Params &>(_params);
61 Tick read(PacketPtr pkt) override;
62 Tick write(PacketPtr pkt) override;
64 void serialize(CheckpointOut &cp) const override;
65 void unserialize(CheckpointIn &cp) override;
68 #endif // __DEV_BADDEV_HH__