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Aaru/DiscImageChef.DiscImages/MaxiDisk.cs

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// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// Filename : MaxiDisk.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Disk image plugins.
//
// --[ Description ] ----------------------------------------------------------
//
// Manages MaxiDisk images.
//
// --[ License ] --------------------------------------------------------------
//
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2018 Natalia Portillo
// ****************************************************************************/
using System;
using System.Collections.Generic;
using System.IO;
using System.Runtime.InteropServices;
using DiscImageChef.CommonTypes;
using DiscImageChef.Console;
using DiscImageChef.Filters;
namespace DiscImageChef.DiscImages
{
public class MaxiDisk : ImagePlugin
{
#region Internal Structures
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct HdkHeader
{
public byte unknown;
public byte diskType;
public byte heads;
public byte cylinders;
public byte bytesPerSector;
public byte sectorsPerTrack;
public byte unknown2;
public byte unknown3;
}
enum HdkDiskTypes : byte
{
Dos360 = 0,
Maxi420 = 1,
Dos720 = 2,
Maxi800 = 3,
Dos1200 = 4,
Maxi1400 = 5,
Dos1440 = 6,
Mac1440 = 7,
Maxi1600 = 8,
Dmf = 9,
Dos2880 = 10,
Maxi3200 = 11
}
#endregion
#region Internal variables
/// <summary>Disk image file</summary>
Filter hdkImageFilter;
#endregion
public MaxiDisk()
{
Name = "MAXI Disk image";
PluginUuid = new Guid("D27D924A-7034-466E-ADE1-B81EF37E469E");
ImageInfo = new ImageInfo();
ImageInfo.ReadableSectorTags = new List<SectorTagType>();
ImageInfo.ReadableMediaTags = new List<MediaTagType>();
ImageInfo.ImageHasPartitions = false;
ImageInfo.ImageHasSessions = false;
ImageInfo.ImageApplication = "MAXI Disk";
ImageInfo.ImageCreator = null;
ImageInfo.ImageComments = null;
ImageInfo.MediaManufacturer = null;
ImageInfo.MediaModel = null;
ImageInfo.MediaSerialNumber = null;
ImageInfo.MediaBarcode = null;
ImageInfo.MediaPartNumber = null;
ImageInfo.MediaSequence = 0;
ImageInfo.LastMediaSequence = 0;
ImageInfo.DriveManufacturer = null;
ImageInfo.DriveModel = null;
ImageInfo.DriveSerialNumber = null;
ImageInfo.DriveFirmwareRevision = null;
}
public override bool IdentifyImage(Filter imageFilter)
{
Stream stream = imageFilter.GetDataForkStream();
if(stream.Length < 8) return false;
byte[] buffer = new byte[8];
stream.Seek(0, SeekOrigin.Begin);
stream.Read(buffer, 0, buffer.Length);
HdkHeader tmp_header;
IntPtr ftrPtr = Marshal.AllocHGlobal(buffer.Length);
Marshal.Copy(buffer, 0, ftrPtr, buffer.Length);
tmp_header = (HdkHeader)Marshal.PtrToStructure(ftrPtr, typeof(HdkHeader));
Marshal.FreeHGlobal(ftrPtr);
DicConsole.DebugWriteLine("MAXI Disk plugin", "tmp_header.unknown = {0}", tmp_header.unknown);
DicConsole.DebugWriteLine("MAXI Disk plugin", "tmp_header.diskType = {0}", tmp_header.diskType);
DicConsole.DebugWriteLine("MAXI Disk plugin", "tmp_header.heads = {0}", tmp_header.heads);
DicConsole.DebugWriteLine("MAXI Disk plugin", "tmp_header.cylinders = {0}", tmp_header.cylinders);
DicConsole.DebugWriteLine("MAXI Disk plugin", "tmp_header.bytesPerSector = {0}", tmp_header.bytesPerSector);
DicConsole.DebugWriteLine("MAXI Disk plugin", "tmp_header.sectorsPerTrack = {0}",
tmp_header.sectorsPerTrack);
DicConsole.DebugWriteLine("MAXI Disk plugin", "tmp_header.unknown2 = {0}", tmp_header.unknown2);
DicConsole.DebugWriteLine("MAXI Disk plugin", "tmp_header.unknown3 = {0}", tmp_header.unknown3);
// This is hardcoded
// But its possible values are unknown...
//if(tmp_header.diskType > 11)
// return false;
// Only floppies supported
if(tmp_header.heads == 0 || tmp_header.heads > 2) return false;
// No floppies with more than this?
if(tmp_header.cylinders > 90) return false;
// Maximum supported bps is 16384
if(tmp_header.bytesPerSector > 7) return false;
int expectedFileSize = tmp_header.heads * tmp_header.cylinders * tmp_header.sectorsPerTrack *
(128 << tmp_header.bytesPerSector) + 8;
return expectedFileSize == stream.Length;
}
public override bool OpenImage(Filter imageFilter)
{
Stream stream = imageFilter.GetDataForkStream();
if(stream.Length < 8) return false;
byte[] buffer = new byte[8];
stream.Seek(0, SeekOrigin.Begin);
stream.Read(buffer, 0, buffer.Length);
HdkHeader tmp_header;
IntPtr ftrPtr = Marshal.AllocHGlobal(buffer.Length);
Marshal.Copy(buffer, 0, ftrPtr, buffer.Length);
tmp_header = (HdkHeader)Marshal.PtrToStructure(ftrPtr, typeof(HdkHeader));
Marshal.FreeHGlobal(ftrPtr);
// This is hardcoded
// But its possible values are unknown...
//if(tmp_header.diskType > 11)
// return false;
// Only floppies supported
if(tmp_header.heads == 0 || tmp_header.heads > 2) return false;
// No floppies with more than this?
if(tmp_header.cylinders > 90) return false;
// Maximum supported bps is 16384
if(tmp_header.bytesPerSector > 7) return false;
int expectedFileSize = tmp_header.heads * tmp_header.cylinders * tmp_header.sectorsPerTrack *
(128 << tmp_header.bytesPerSector) + 8;
if(expectedFileSize != stream.Length) return false;
ImageInfo.Cylinders = tmp_header.cylinders;
ImageInfo.Heads = tmp_header.heads;
ImageInfo.SectorsPerTrack = tmp_header.sectorsPerTrack;
ImageInfo.Sectors = (ulong)(tmp_header.heads * tmp_header.cylinders * tmp_header.sectorsPerTrack);
ImageInfo.SectorSize = (uint)(128 << tmp_header.bytesPerSector);
hdkImageFilter = imageFilter;
ImageInfo.ImageSize = (ulong)(stream.Length - 8);
ImageInfo.ImageCreationTime = imageFilter.GetCreationTime();
ImageInfo.ImageLastModificationTime = imageFilter.GetLastWriteTime();
if(ImageInfo.Heads == 2 && ImageInfo.Cylinders == 80 && ImageInfo.SectorsPerTrack == 15 &&
ImageInfo.SectorSize == 512) ImageInfo.MediaType = MediaType.DOS_525_HD;
else if(ImageInfo.Heads == 2 && ImageInfo.Cylinders == 80 && ImageInfo.SectorsPerTrack == 16 &&
ImageInfo.SectorSize == 256) ImageInfo.MediaType = MediaType.ACORN_525_DS_DD;
else if(ImageInfo.Heads == 1 && ImageInfo.Cylinders == 80 && ImageInfo.SectorsPerTrack == 16 &&
ImageInfo.SectorSize == 256) ImageInfo.MediaType = MediaType.ACORN_525_SS_DD_80;
else if(ImageInfo.Heads == 1 && ImageInfo.Cylinders == 80 && ImageInfo.SectorsPerTrack == 10 &&
ImageInfo.SectorSize == 256) ImageInfo.MediaType = MediaType.ACORN_525_SS_SD_80;
else if(ImageInfo.Heads == 2 && ImageInfo.Cylinders == 77 && ImageInfo.SectorsPerTrack == 8 &&
ImageInfo.SectorSize == 1024) ImageInfo.MediaType = MediaType.NEC_525_HD;
else if(ImageInfo.Heads == 1 && ImageInfo.Cylinders == 40 && ImageInfo.SectorsPerTrack == 8 &&
ImageInfo.SectorSize == 512) ImageInfo.MediaType = MediaType.DOS_525_SS_DD_8;
else if(ImageInfo.Heads == 1 && ImageInfo.Cylinders == 40 && ImageInfo.SectorsPerTrack == 9 &&
ImageInfo.SectorSize == 512) ImageInfo.MediaType = MediaType.DOS_525_SS_DD_9;
else if(ImageInfo.Heads == 2 && ImageInfo.Cylinders == 40 && ImageInfo.SectorsPerTrack == 8 &&
ImageInfo.SectorSize == 512) ImageInfo.MediaType = MediaType.DOS_525_DS_DD_8;
else if(ImageInfo.Heads == 2 && ImageInfo.Cylinders == 40 && ImageInfo.SectorsPerTrack == 9 &&
ImageInfo.SectorSize == 512) ImageInfo.MediaType = MediaType.DOS_525_DS_DD_9;
else if(ImageInfo.Heads == 1 && ImageInfo.Cylinders == 40 && ImageInfo.SectorsPerTrack == 18 &&
ImageInfo.SectorSize == 128) ImageInfo.MediaType = MediaType.ATARI_525_SD;
else if(ImageInfo.Heads == 1 && ImageInfo.Cylinders == 40 && ImageInfo.SectorsPerTrack == 26 &&
ImageInfo.SectorSize == 128) ImageInfo.MediaType = MediaType.ATARI_525_ED;
else if(ImageInfo.Heads == 1 && ImageInfo.Cylinders == 40 && ImageInfo.SectorsPerTrack == 18 &&
ImageInfo.SectorSize == 256) ImageInfo.MediaType = MediaType.ATARI_525_DD;
else if(ImageInfo.Heads == 2 && ImageInfo.Cylinders == 80 && ImageInfo.SectorsPerTrack == 36 &&
ImageInfo.SectorSize == 512) ImageInfo.MediaType = MediaType.DOS_35_ED;
else if(ImageInfo.Heads == 2 && ImageInfo.Cylinders == 80 && ImageInfo.SectorsPerTrack == 18 &&
ImageInfo.SectorSize == 512) ImageInfo.MediaType = MediaType.DOS_35_HD;
else if(ImageInfo.Heads == 2 && ImageInfo.Cylinders == 80 && ImageInfo.SectorsPerTrack == 21 &&
ImageInfo.SectorSize == 512) ImageInfo.MediaType = MediaType.DMF;
else if(ImageInfo.Heads == 2 && ImageInfo.Cylinders == 82 && ImageInfo.SectorsPerTrack == 21 &&
ImageInfo.SectorSize == 512) ImageInfo.MediaType = MediaType.DMF_82;
else if(ImageInfo.Heads == 2 && ImageInfo.Cylinders == 77 && ImageInfo.SectorsPerTrack == 8 &&
ImageInfo.SectorSize == 1024) ImageInfo.MediaType = MediaType.NEC_35_HD_8;
else if(ImageInfo.Heads == 2 && ImageInfo.Cylinders == 80 && ImageInfo.SectorsPerTrack == 15 &&
ImageInfo.SectorSize == 512) ImageInfo.MediaType = MediaType.NEC_35_HD_15;
else if(ImageInfo.Heads == 2 && ImageInfo.Cylinders == 80 && ImageInfo.SectorsPerTrack == 9 &&
ImageInfo.SectorSize == 512) ImageInfo.MediaType = MediaType.DOS_35_DS_DD_9;
else if(ImageInfo.Heads == 2 && ImageInfo.Cylinders == 80 && ImageInfo.SectorsPerTrack == 8 &&
ImageInfo.SectorSize == 512) ImageInfo.MediaType = MediaType.DOS_35_DS_DD_8;
else if(ImageInfo.Heads == 1 && ImageInfo.Cylinders == 80 && ImageInfo.SectorsPerTrack == 9 &&
ImageInfo.SectorSize == 512) ImageInfo.MediaType = MediaType.DOS_35_SS_DD_9;
else if(ImageInfo.Heads == 1 && ImageInfo.Cylinders == 80 && ImageInfo.SectorsPerTrack == 8 &&
ImageInfo.SectorSize == 512) ImageInfo.MediaType = MediaType.DOS_35_SS_DD_8;
else if(ImageInfo.Heads == 2 && ImageInfo.Cylinders == 80 && ImageInfo.SectorsPerTrack == 5 &&
ImageInfo.SectorSize == 1024) ImageInfo.MediaType = MediaType.ACORN_35_DS_DD;
else if(ImageInfo.Heads == 1 && ImageInfo.Cylinders == 70 && ImageInfo.SectorsPerTrack == 9 &&
ImageInfo.SectorSize == 512) ImageInfo.MediaType = MediaType.Apricot_35;
else ImageInfo.MediaType = MediaType.Unknown;
ImageInfo.XmlMediaType = XmlMediaType.BlockMedia;
return true;
}
public override bool? VerifySector(ulong sectorAddress)
{
return null;
}
public override bool? VerifySector(ulong sectorAddress, uint track)
{
return null;
}
public override bool? VerifySectors(ulong sectorAddress, uint length, out List<ulong> failingLbas,
out List<ulong> unknownLbas)
{
failingLbas = new List<ulong>();
unknownLbas = new List<ulong>();
for(ulong i = sectorAddress; i < sectorAddress + length; i++) unknownLbas.Add(i);
return null;
}
public override bool? VerifySectors(ulong sectorAddress, uint length, uint track, out List<ulong> failingLbas,
out List<ulong> unknownLbas)
{
failingLbas = new List<ulong>();
unknownLbas = new List<ulong>();
for(ulong i = sectorAddress; i < sectorAddress + length; i++) unknownLbas.Add(i);
return null;
}
public override bool? VerifyMediaImage()
{
return null;
}
public override bool ImageHasPartitions()
{
return ImageInfo.ImageHasPartitions;
}
public override ulong GetImageSize()
{
return ImageInfo.ImageSize;
}
public override ulong GetSectors()
{
return ImageInfo.Sectors;
}
public override uint GetSectorSize()
{
return ImageInfo.SectorSize;
}
public override byte[] ReadSector(ulong sectorAddress)
{
return ReadSectors(sectorAddress, 1);
}
public override byte[] ReadSectorTag(ulong sectorAddress, SectorTagType tag)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public override byte[] ReadSectors(ulong sectorAddress, uint length)
{
if(sectorAddress > ImageInfo.Sectors - 1)
throw new ArgumentOutOfRangeException(nameof(sectorAddress), "Sector address not found");
if(sectorAddress + length > ImageInfo.Sectors)
throw new ArgumentOutOfRangeException(nameof(length), "Requested more sectors than available");
byte[] buffer = new byte[length * ImageInfo.SectorSize];
Stream stream = hdkImageFilter.GetDataForkStream();
stream.Seek((long)(8 + sectorAddress * ImageInfo.SectorSize), SeekOrigin.Begin);
stream.Read(buffer, 0, (int)(length * ImageInfo.SectorSize));
return buffer;
}
public override byte[] ReadSectorsTag(ulong sectorAddress, uint length, SectorTagType tag)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public override byte[] ReadSectorLong(ulong sectorAddress)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public override byte[] ReadSectorsLong(ulong sectorAddress, uint length)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public override string GetImageFormat()
{
return "MAXI Disk";
}
public override string GetImageVersion()
{
return ImageInfo.ImageVersion;
}
public override string GetImageApplication()
{
return ImageInfo.ImageApplication;
}
public override string GetImageApplicationVersion()
{
return ImageInfo.ImageApplicationVersion;
}
public override DateTime GetImageCreationTime()
{
return ImageInfo.ImageCreationTime;
}
public override DateTime GetImageLastModificationTime()
{
return ImageInfo.ImageLastModificationTime;
}
public override string GetImageName()
{
return ImageInfo.ImageName;
}
public override MediaType GetMediaType()
{
return ImageInfo.MediaType;
}
#region Unsupported features
public override byte[] ReadDiskTag(MediaTagType tag)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public override string GetImageCreator()
{
return ImageInfo.ImageCreator;
}
public override string GetImageComments()
{
return ImageInfo.ImageComments;
}
public override string GetMediaManufacturer()
{
return ImageInfo.MediaManufacturer;
}
public override string GetMediaModel()
{
return ImageInfo.MediaModel;
}
public override string GetMediaSerialNumber()
{
return ImageInfo.MediaSerialNumber;
}
public override string GetMediaBarcode()
{
return ImageInfo.MediaBarcode;
}
public override string GetMediaPartNumber()
{
return ImageInfo.MediaPartNumber;
}
public override int GetMediaSequence()
{
return ImageInfo.MediaSequence;
}
public override int GetLastDiskSequence()
{
return ImageInfo.LastMediaSequence;
}
public override string GetDriveManufacturer()
{
return ImageInfo.DriveManufacturer;
}
public override string GetDriveModel()
{
return ImageInfo.DriveModel;
}
public override string GetDriveSerialNumber()
{
return ImageInfo.DriveSerialNumber;
}
public override List<Partition> GetPartitions()
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public override List<Track> GetTracks()
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public override List<Track> GetSessionTracks(Session session)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public override List<Track> GetSessionTracks(ushort session)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public override List<Session> GetSessions()
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public override byte[] ReadSector(ulong sectorAddress, uint track)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public override byte[] ReadSectorTag(ulong sectorAddress, uint track, SectorTagType tag)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public override byte[] ReadSectors(ulong sectorAddress, uint length, uint track)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public override byte[] ReadSectorsTag(ulong sectorAddress, uint length, uint track, SectorTagType tag)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public override byte[] ReadSectorLong(ulong sectorAddress, uint track)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
public override byte[] ReadSectorsLong(ulong sectorAddress, uint length, uint track)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
}
#endregion Unsupported features
}
}
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