LibHac/LibHac.Nand/DiscUtils.Core/LogicalDiskManager/TocBlock.cs
2018-08-31 10:50:28 -05:00

72 lines
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3.5 KiB
C#

//
// Copyright (c) 2008-2011, Kenneth Bell
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
using DiscUtils.Streams;
namespace DiscUtils.LogicalDiskManager
{
internal class TocBlock
{
public uint Checksum; // 00 00 08 B6
public long Item1Size; // Unit?
public long Item1Start; // Sector Offset from ConfigurationStart
public string Item1Str; // 'config', length 10
public long Item2Size; // Unit?
public long Item2Start; // Sector Offset from ConfigurationStart
public string Item2Str; // 'log', length 10
public long SequenceNumber; // 00 .. 01
public string Signature; // TOCBLOCK
public long Unknown1; // 0
public long Unknown2; // 00
public uint Unknown3; // 00 06 00 01 (may be two values?)
public uint Unknown4; // 00 00 00 00
public uint Unknown5; // 00 06 00 01 (may be two values?)
public uint Unknown6; // 00 00 00 00
public void ReadFrom(byte[] buffer, int offset)
{
Signature = EndianUtilities.BytesToString(buffer, offset + 0x00, 8);
Checksum = EndianUtilities.ToUInt32BigEndian(buffer, offset + 0x08);
SequenceNumber = EndianUtilities.ToInt64BigEndian(buffer, offset + 0x0C);
Unknown1 = EndianUtilities.ToInt64BigEndian(buffer, offset + 0x14);
Unknown2 = EndianUtilities.ToInt64BigEndian(buffer, offset + 0x1C);
Item1Str = EndianUtilities.BytesToString(buffer, offset + 0x24, 10).Trim('\0');
Item1Start = EndianUtilities.ToInt64BigEndian(buffer, offset + 0x2E);
Item1Size = EndianUtilities.ToInt64BigEndian(buffer, offset + 0x36);
Unknown3 = EndianUtilities.ToUInt32BigEndian(buffer, offset + 0x3E);
Unknown4 = EndianUtilities.ToUInt32BigEndian(buffer, offset + 0x42);
Item2Str = EndianUtilities.BytesToString(buffer, offset + 0x46, 10).Trim('\0');
Item2Start = EndianUtilities.ToInt64BigEndian(buffer, offset + 0x50);
Item2Size = EndianUtilities.ToInt64BigEndian(buffer, offset + 0x58);
Unknown5 = EndianUtilities.ToUInt32BigEndian(buffer, offset + 0x60);
Unknown6 = EndianUtilities.ToUInt32BigEndian(buffer, offset + 0x64);
}
////}
//// throw new NotImplementedException();
//// // Add all byte values for ?? bytes
//// // Zero checksum bytes (0x08, 4)
////{
////private static int CalcChecksum()
}
}