ide_disk.cc revision 848 
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/** @file
30 * Device model implementation for an IDE disk
31 */
32
33#include <cerrno>
34#include <cstring>
35#include <deque>
36#include <string>
37
38#include "base/cprintf.hh" // csprintf
39#include "base/trace.hh"
40#include "dev/disk_image.hh"
41#include "dev/ide_disk.hh"
42#include "sim/builder.hh"
43#include "sim/sim_object.hh"
44#include "sim/universe.hh"
45
46using namespace std;
47
48IdeDisk::IdeDisk(const string &name, DiskImage *img, int delay)
49    : SimObject(name), ctrl(NULL), image(img)
50{
51    diskDelay = delay * ticksPerSecond / 1000;
52}
53
54IdeDisk::~IdeDisk()
55{
56}
57
58void
59IdeDisk::serialize(ostream &os)
60{
61}
62
63void
64IdeDisk::unserialize(Checkpoint *cp, const string &section)
65{
66}
67
68#ifndef DOXYGEN_SHOULD_SKIP_THIS
69
70BEGIN_DECLARE_SIM_OBJECT_PARAMS(IdeDisk)
71
72    SimObjectParam<DiskImage *> image;
73    Param<int> disk_delay;
74
75END_DECLARE_SIM_OBJECT_PARAMS(IdeDisk)
76
77BEGIN_INIT_SIM_OBJECT_PARAMS(IdeDisk)
78
79    INIT_PARAM(image, "Disk image"),
80    INIT_PARAM_DFLT(disk_delay, "Fixed disk delay in milliseconds", 0)
81
82END_INIT_SIM_OBJECT_PARAMS(IdeDisk)
83
84
85CREATE_SIM_OBJECT(IdeDisk)
86{
87    return new IdeDisk(getInstanceName(), image, disk_delay);
88}
89
90REGISTER_SIM_OBJECT("IdeDisk", IdeDisk)
91
92#endif //DOXYGEN_SHOULD_SKIP_THIS
93