Ryujinx/Ryujinx.HLE/Loaders/Npdm/Npdm.cs

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using Ryujinx.HLE.Exceptions;
using System.IO;
using System.Text;
namespace Ryujinx.HLE.Loaders.Npdm
{
// https://github.com/SciresM/hactool/blob/master/npdm.c
// https://github.com/SciresM/hactool/blob/master/npdm.h
// http://switchbrew.org/index.php?title=NPDM
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class Npdm
{
private const int MetaMagic = 'M' << 0 | 'E' << 8 | 'T' << 16 | 'A' << 24;
public byte MmuFlags { get; private set; }
public bool Is64Bits { get; private set; }
public byte MainThreadPriority { get; private set; }
public byte DefaultCpuId { get; private set; }
public int PersonalMmHeapSize { get; private set; }
public int ProcessCategory { get; private set; }
public int MainThreadStackSize { get; private set; }
public string TitleName { get; private set; }
public byte[] ProductCode { get; private set; }
public Aci0 Aci0 { get; private set; }
public Acid Acid { get; private set; }
public Npdm(Stream stream)
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{
BinaryReader reader = new BinaryReader(stream);
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if (reader.ReadInt32() != MetaMagic)
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{
throw new InvalidNpdmException("NPDM Stream doesn't contain NPDM file!");
}
reader.ReadInt64();
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MmuFlags = reader.ReadByte();
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Is64Bits = (MmuFlags & 1) != 0;
reader.ReadByte();
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MainThreadPriority = reader.ReadByte();
DefaultCpuId = reader.ReadByte();
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reader.ReadInt32();
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PersonalMmHeapSize = reader.ReadInt32();
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ProcessCategory = reader.ReadInt32();
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MainThreadStackSize = reader.ReadInt32();
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byte[] tempTitleName = reader.ReadBytes(0x10);
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TitleName = Encoding.UTF8.GetString(tempTitleName, 0, tempTitleName.Length).Trim('\0');
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ProductCode = reader.ReadBytes(0x10);
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stream.Seek(0x30, SeekOrigin.Current);
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int aci0Offset = reader.ReadInt32();
int aci0Size = reader.ReadInt32();
int acidOffset = reader.ReadInt32();
int acidSize = reader.ReadInt32();
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Aci0 = new Aci0(stream, aci0Offset);
Acid = new Acid(stream, acidOffset);
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}
}
}