dev/ide_disk.cc

   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
  46 using namespace std;
  47
  48 IdeDisk::IdeDisk(const string &name, DiskImage *img, int delay)
  49     : SimObject(name), ctrl(NULL), image(img)
  50 {
  51     diskDelay = delay * ticksPerSecond / 1000;
  52 }
  53
  54 IdeDisk::~IdeDisk()
  55 {
  56 }
  57
  58 void
  59 IdeDisk::serialize(ostream &os)
  60 {
  61 }
  62
  63 void
  64 IdeDisk::unserialize(Checkpoint *cp, const string &section)
  65 {
  66 }
  67
  68 #ifndef DOXYGEN_SHOULD_SKIP_THIS
  69
  70 BEGIN_DECLARE_SIM_OBJECT_PARAMS(IdeDisk)
  71
  72     SimObjectParam<DiskImage *> image;
  73     Param<int> disk_delay;
  74
  75 END_DECLARE_SIM_OBJECT_PARAMS(IdeDisk)
  76
  77 BEGIN_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
  82 END_INIT_SIM_OBJECT_PARAMS(IdeDisk)
  83
  84
  85 CREATE_SIM_OBJECT(IdeDisk)
  86 {
  87     return new IdeDisk(getInstanceName(), image, disk_delay);
  88 }
  89
  90 REGISTER_SIM_OBJECT("IdeDisk", IdeDisk)
  91
  92 #endif //DOXYGEN_SHOULD_SKIP_THIS