4e430760b4
* Implement NPDM files parser (Currently not used in Ryujinx) * Add credits * Add Swap32 * Update Npdm.cs * Update ACI0.cs * Update ACID.cs * Update Npdm.cs * Update EndianSwap.cs * Update ACI0.cs * Update ACID.cs * Update KernelAccessControl.cs * Update NpdmInfo.cs * Update ServiceAccessControl.cs * Update NpdmInfo.cs
87 lines
3.2 KiB
C#
87 lines
3.2 KiB
C#
using Ryujinx.HLE.OsHle.Utilities;
|
|
using System;
|
|
using System.Collections.Generic;
|
|
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
|
|
class Npdm
|
|
{
|
|
public bool Is64Bits;
|
|
public int AddressSpaceWidth;
|
|
public byte MainThreadPriority;
|
|
public byte DefaultCpuId;
|
|
public int SystemResourceSize;
|
|
public int ProcessCategory;
|
|
public int MainEntrypointStackSize;
|
|
public string TitleName;
|
|
public byte[] ProductCode;
|
|
public ulong FSPerms;
|
|
|
|
private int ACI0Offset;
|
|
private int ACI0Size;
|
|
private int ACIDOffset;
|
|
private int ACIDSize;
|
|
|
|
public ACI0 ACI0;
|
|
public ACID ACID;
|
|
|
|
public const long NpdmMagic = 'M' << 0 | 'E' << 8 | 'T' << 16 | 'A' << 24;
|
|
|
|
public Npdm(Stream NPDMStream)
|
|
{
|
|
BinaryReader Reader = new BinaryReader(NPDMStream);
|
|
|
|
if (Reader.ReadInt32() != NpdmMagic)
|
|
{
|
|
throw new InvalidNpdmException("NPDM Stream doesn't contain NPDM file!");
|
|
}
|
|
|
|
Reader.ReadInt64(); // Padding / Unused
|
|
|
|
// MmuFlags, bit0: 64-bit instructions, bits1-3: address space width (1=64-bit, 2=32-bit). Needs to be <= 0xF
|
|
byte MmuFlags = Reader.ReadByte();
|
|
Is64Bits = (MmuFlags & 1) != 0;
|
|
AddressSpaceWidth = (MmuFlags >> 1) & 7;
|
|
|
|
Reader.ReadByte(); // Padding / Unused
|
|
|
|
MainThreadPriority = Reader.ReadByte(); // (0-63)
|
|
DefaultCpuId = Reader.ReadByte();
|
|
|
|
Reader.ReadInt32(); // Padding / Unused
|
|
|
|
// System resource size (max size as of 5.x: 534773760). Unknown usage.
|
|
SystemResourceSize = EndianSwap.Swap32(Reader.ReadInt32());
|
|
|
|
// ProcessCategory (0: regular title, 1: kernel built-in). Should be 0 here.
|
|
ProcessCategory = EndianSwap.Swap32(Reader.ReadInt32());
|
|
|
|
// Main entrypoint stack size
|
|
// (Should(?) be page-aligned. In non-nspwn scenarios, values of 0 can also rarely break in Horizon.
|
|
// This might be something auto-adapting or a security feature of some sort ?)
|
|
MainEntrypointStackSize = Reader.ReadInt32();
|
|
|
|
byte[] TempTitleName = Reader.ReadBytes(0x10);
|
|
TitleName = Encoding.UTF8.GetString(TempTitleName, 0, TempTitleName.Length).Trim('\0');
|
|
|
|
ProductCode = Reader.ReadBytes(0x10); // Unknown value
|
|
|
|
NPDMStream.Seek(0x30, SeekOrigin.Current); // Skip reserved bytes
|
|
|
|
ACI0Offset = Reader.ReadInt32();
|
|
ACI0Size = Reader.ReadInt32();
|
|
ACIDOffset = Reader.ReadInt32();
|
|
ACIDSize = Reader.ReadInt32();
|
|
|
|
ACI0 = new ACI0(NPDMStream, ACI0Offset);
|
|
ACID = new ACID(NPDMStream, ACIDOffset);
|
|
|
|
FSPerms = ACI0.FSAccessHeader.PermissionsBitmask & ACID.FSAccessControl.PermissionsBitmask;
|
|
}
|
|
}
|
|
}
|