/// <summary>
/// Creates the VHD footer.
/// </summary>
/// <param name="blocks">The blocks.</param>
/// <param name="timeStamp">The time stamp.</param>
/// <param name="guid">The GUID.</param>
/// <param name="diskGeometry">The disk geometry.</param>
/// <returns></returns>
public static byte[] CreateFooter(ulong blocks, uint timeStamp, byte[] guid, DiskGeometry diskGeometry)
{
var binaryFooter = new Mosa.ClassLib.BinaryFormat(512);
binaryFooter.SetString(VHDFooterOffset.Cookie, "conectix", 8);
binaryFooter.SetUIntReversed(VHDFooterOffset.Features, 0x00000002);
binaryFooter.SetUIntReversed(VHDFooterOffset.FileFormatVersion, 0x00010000);
binaryFooter.SetULong(VHDFooterOffset.DataOffset, ~(ulong)0);
binaryFooter.SetUIntReversed(VHDFooterOffset.TimeStamp, timeStamp);
binaryFooter.SetString(VHDFooterOffset.CreatorApplication, "MOSA", 4);
binaryFooter.SetUIntReversed(VHDFooterOffset.CreatorVersion, 0x00050000);
binaryFooter.SetUIntReversed(VHDFooterOffset.CreatorHostOS, 0x5769326B); // Windows
binaryFooter.SetULongReversed(VHDFooterOffset.OriginalSize, blocks * 512);
binaryFooter.SetULongReversed(VHDFooterOffset.CurrentSize, blocks * 512);
binaryFooter.SetUShortReversed(VHDFooterOffset.DiskGeometryCylinders, diskGeometry.Cylinders);
binaryFooter.SetByte(VHDFooterOffset.DiskGeometryHeads, diskGeometry.Heads);
binaryFooter.SetByte(VHDFooterOffset.DiskGeometrySectors, (byte)diskGeometry.SectorsPerTrack);
binaryFooter.SetUIntReversed(VHDFooterOffset.DiskType, 0x02); // Fixed disk
binaryFooter.SetUIntReversed(VHDFooterOffset.Checksum, 0x00);
binaryFooter.SetBytes(VHDFooterOffset.UniqueId, guid, 0, 16);
binaryFooter.SetByte(VHDFooterOffset.SavedState, 0x00); // No saved state
uint checksum = 0;
for (uint index = 0; index < 512; index++)
checksum += binaryFooter.Data[index];
binaryFooter.SetUIntReversed(VHDFooterOffset.Checksum, ~checksum);
return binaryFooter.Data;
}
/// <summary>
/// Creates the VHD footer.
/// </summary>
/// <param name="blocks">The blocks.</param>
/// <param name="timeStamp">The time stamp.</param>
/// <param name="guid">The GUID.</param>
/// <param name="diskGeometry">The disk geometry.</param>
/// <returns></returns>
static public byte[] CreateFooter(ulong blocks, uint timeStamp, byte[] guid, DiskGeometry diskGeometry)
{
Mosa.ClassLib.BinaryFormat binaryFooter = new Mosa.ClassLib.BinaryFormat(512);
binaryFooter.SetString(VHDFooterOffset.Cookie, "conectix", 8);
binaryFooter.SetUIntReversed(VHDFooterOffset.Features, 0x00000002);
binaryFooter.SetUIntReversed(VHDFooterOffset.FileFormatVersion, 0x00010000);
binaryFooter.SetULong(VHDFooterOffset.DataOffset, ~(ulong)0);
binaryFooter.SetUIntReversed(VHDFooterOffset.TimeStamp, timeStamp);
binaryFooter.SetString(VHDFooterOffset.CreatorApplication, "MOSA", 4);
binaryFooter.SetUIntReversed(VHDFooterOffset.CreatorVersion, 0x00050000);
binaryFooter.SetUIntReversed(VHDFooterOffset.CreatorHostOS, 0x5769326B); // Windows
binaryFooter.SetULongReversed(VHDFooterOffset.OriginalSize, blocks * 512);
binaryFooter.SetULongReversed(VHDFooterOffset.CurrentSize, blocks * 512);
binaryFooter.SetUShortReversed(VHDFooterOffset.DiskGeometryCylinders, diskGeometry.Cylinders);
binaryFooter.SetByte(VHDFooterOffset.DiskGeometryHeads, diskGeometry.Heads);
binaryFooter.SetByte(VHDFooterOffset.DiskGeometrySectors, (byte)diskGeometry.SectorsPerTrack);
binaryFooter.SetUIntReversed(VHDFooterOffset.DiskType, 0x02); // Fixed disk
binaryFooter.SetUIntReversed(VHDFooterOffset.Checksum, 0x00);
binaryFooter.SetBytes(VHDFooterOffset.UniqueId, guid, 0, 16);
binaryFooter.SetByte(VHDFooterOffset.SavedState, 0x00); // No saved state
uint checksum = 0;
for (uint index = 0; index < 512; index++)
{
checksum += binaryFooter.Data[index];
}
binaryFooter.SetUIntReversed(VHDFooterOffset.Checksum, ~checksum);
return(binaryFooter.Data);
}
/// <summary>
/// Creates the header.
/// </summary>
/// <param name="blocks">The blocks.</param>
/// <param name="guid">The GUID.</param>
/// <param name="lastSnapGuid">The last snap GUID.</param>
/// <param name="diskGeometry">The disk geometry.</param>
/// <returns></returns>
public static byte[] CreateHeader(uint blocks, byte[] guid, byte[] lastSnapGuid, DiskGeometry diskGeometry)
{
Mosa.ClassLib.BinaryFormat binaryHeader = new Mosa.ClassLib.BinaryFormat(512);
binaryHeader.SetString(VHIHeaderOffset.HeaderText, HeaderText, (uint)HeaderText.Length);
binaryHeader.SetByte(VHIHeaderOffset.HeaderText + 0x25, 0x0A);
binaryHeader.SetUInt(VHIHeaderOffset.ImageSignature, 0xBEda107F);
binaryHeader.SetUInt(VHIHeaderOffset.Version, 0x00010001);
binaryHeader.SetUInt(VHIHeaderOffset.HeaderSize, 0x180);
binaryHeader.SetUInt(VHIHeaderOffset.ImageType, 0x02);
binaryHeader.SetUInt(VHIHeaderOffset.ImageFlags, 0x00);
binaryHeader.SetUInt(VHIHeaderOffset.OffsetBlocks, 0x200);
binaryHeader.SetUInt(VHIHeaderOffset.OffsetData, 0x400);
binaryHeader.SetUInt(VHIHeaderOffset.DiskGeometryCylinders, 0); // diskGeometry.Cylinders);
binaryHeader.SetUInt(VHIHeaderOffset.DiskGeometryHeads, 0); // diskGeometry.Heads);
binaryHeader.SetUInt(VHIHeaderOffset.DiskGeometrySectors, 0); // diskGeometry.SectorsPerTrack);
binaryHeader.SetUInt(VHIHeaderOffset.SectorSize, 512);
binaryHeader.SetULong(VHIHeaderOffset.DiskSize, blocks * 512);
binaryHeader.SetUInt(VHIHeaderOffset.BlockSize, 0x100000);
binaryHeader.SetUInt(VHIHeaderOffset.BlockExtraData, 0);
binaryHeader.SetUInt(VHIHeaderOffset.BlocksInHDD, (uint)((blocks * 512) / 0x100000));
binaryHeader.SetUInt(VHIHeaderOffset.BlocksAllocated, (uint)((blocks * 512) / 0x100000));
binaryHeader.SetBytes(VHIHeaderOffset.UUID, guid, 0, 16);
binaryHeader.SetBytes(VHIHeaderOffset.UUIDLastSnap, lastSnapGuid, 0, 16);
return binaryHeader.Data;
}
/// <summary>
/// Creates the header.
/// </summary>
/// <param name="blocks">The blocks.</param>
/// <param name="guid">The GUID.</param>
/// <param name="lastSnapGuid">The last snap GUID.</param>
/// <param name="diskGeometry">The disk geometry.</param>
/// <returns></returns>
static public byte[] CreateHeader(uint blocks, byte[] guid, byte[] lastSnapGuid, DiskGeometry diskGeometry)
{
Mosa.ClassLib.BinaryFormat binaryHeader = new Mosa.ClassLib.BinaryFormat(512);
binaryHeader.SetString(VHIHeaderOffset.HeaderText, HeaderText, (uint)HeaderText.Length);
binaryHeader.SetByte(VHIHeaderOffset.HeaderText + 0x25, 0x0A);
binaryHeader.SetUInt(VHIHeaderOffset.ImageSignature, 0xBEda107F);
binaryHeader.SetUInt(VHIHeaderOffset.Version, 0x00010001);
binaryHeader.SetUInt(VHIHeaderOffset.HeaderSize, 0x180);
binaryHeader.SetUInt(VHIHeaderOffset.ImageType, 0x02);
binaryHeader.SetUInt(VHIHeaderOffset.ImageFlags, 0x00);
binaryHeader.SetUInt(VHIHeaderOffset.OffsetBlocks, 0x200);
binaryHeader.SetUInt(VHIHeaderOffset.OffsetData, 0x400);
binaryHeader.SetUInt(VHIHeaderOffset.DiskGeometryCylinders, 0); // diskGeometry.Cylinders);
binaryHeader.SetUInt(VHIHeaderOffset.DiskGeometryHeads, 0); // diskGeometry.Heads);
binaryHeader.SetUInt(VHIHeaderOffset.DiskGeometrySectors, 0); // diskGeometry.SectorsPerTrack);
binaryHeader.SetUInt(VHIHeaderOffset.SectorSize, 512);
binaryHeader.SetULong(VHIHeaderOffset.DiskSize, blocks * 512);
binaryHeader.SetUInt(VHIHeaderOffset.BlockSize, 0x100000);
binaryHeader.SetUInt(VHIHeaderOffset.BlockExtraData, 0);
binaryHeader.SetUInt(VHIHeaderOffset.BlocksInHDD, (uint)((blocks * 512) / 0x100000));
binaryHeader.SetUInt(VHIHeaderOffset.BlocksAllocated, (uint)((blocks * 512) / 0x100000));
binaryHeader.SetBytes(VHIHeaderOffset.UUID, guid, 0, 16);
binaryHeader.SetBytes(VHIHeaderOffset.UUIDLastSnap, lastSnapGuid, 0, 16);
return(binaryHeader.Data);
}