summaryrefslogtreecommitdiff
path: root/src/dev/sparc/dtod.hh
blob: 7d3a9f628a4cf93d0be2f750611eb3f0e479e6e3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
/*
 * Copyright (c) 206, 2004-2005 The Regents of The University of Michigan
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met: redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer;
 * redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution;
 * neither the name of the copyright holders nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Authors: Ali Saidi
 */

/** @file
 * This device acts as a simple time of date device. It's implemented as a
 * simple device register read.
 */

#ifndef __DEV_SPARC_DTOD_HH__
#define __DEV_SPARC_DTOD_HH__

#include "base/range.hh"
#include "dev/io_device.hh"


/**
 * DumbTOD simply returns some idea of time when read.  Until we finish with
 * legion it starts with the start time and increments itself by 1000 each time.
 */
class DumbTOD : public BasicPioDevice
{
  private:
    uint64_t todTime;

  public:
    struct Params : public BasicPioDevice::Params
    {
        time_t init_time;
    };
  protected:
    const Params *params() const { return (const Params *)_params; }

  public:
    DumbTOD(Params *p);

    virtual Tick read(PacketPtr pkt);
    virtual Tick write(PacketPtr pkt);
};

#endif // __DEV_BADDEV_HH__