ryujinx/Ryujinx.HLE/Loaders/Executables/KernelInitialProcess.cs
gdkchan 22bacc6188
Improve kernel IPC implementation (#550)
* Implement some IPC related kernel SVCs properly

* Fix BLZ decompression when the segment also has a uncompressed chunck

* Set default cpu core on process start from ProgramLoader, remove debug message

* Load process capabilities properly on KIPs

* Fix a copy/paste error in UnmapPhysicalMemory64

* Implement smarter switching between old and new IPC system to support the old HLE services implementation without the manual switch

* Implement RegisterService on sm and AcceptSession (partial)

* Misc fixes and improvements on new IPC methods

* Move IPC related SVCs into a separate file, and logging on RegisterService (sm)

* Some small fixes related to receive list buffers and error cases

* Load NSOs using the correct pool partition

* Fix corner case on GetMaskFromMinMax where range is 64, doesn't happen in pratice however

* Fix send static buffer copy

* Session release, implement closing requests on client disconnect

* Implement ConnectToPort SVC

* KLightSession init
2019-01-18 20:26:39 -02:00

147 lines
4.3 KiB
C#

using Ryujinx.HLE.Loaders.Compression;
using System.IO;
namespace Ryujinx.HLE.Loaders.Executables
{
class KernelInitialProcess : IExecutable
{
public string Name { get; private set; }
public long TitleId { get; private set; }
public int ProcessCategory { get; private set; }
public byte MainThreadPriority { get; private set; }
public byte DefaultProcessorId { get; private set; }
public bool Is64Bits { get; private set; }
public bool Addr39Bits { get; private set; }
public bool IsService { get; private set; }
public byte[] Text { get; private set; }
public byte[] Ro { get; private set; }
public byte[] Data { get; private set; }
public int TextOffset { get; private set; }
public int RoOffset { get; private set; }
public int DataOffset { get; private set; }
public int BssOffset { get; private set; }
public int BssSize { get; private set; }
public int MainThreadStackSize { get; private set; }
public int[] Capabilities { get; private set; }
private struct SegmentHeader
{
public int Offset { get; private set; }
public int DecompressedSize { get; private set; }
public int CompressedSize { get; private set; }
public int Attribute { get; private set; }
public SegmentHeader(
int offset,
int decompressedSize,
int compressedSize,
int attribute)
{
Offset = offset;
DecompressedSize = decompressedSize;
CompressedSize = compressedSize;
Attribute = attribute;
}
}
public KernelInitialProcess(Stream input)
{
BinaryReader reader = new BinaryReader(input);
string magic = ReadString(reader, 4);
if (magic != "KIP1")
{
}
Name = ReadString(reader, 12);
TitleId = reader.ReadInt64();
ProcessCategory = reader.ReadInt32();
MainThreadPriority = reader.ReadByte();
DefaultProcessorId = reader.ReadByte();
byte reserved = reader.ReadByte();
byte flags = reader.ReadByte();
Is64Bits = (flags & 0x08) != 0;
Addr39Bits = (flags & 0x10) != 0;
IsService = (flags & 0x20) != 0;
SegmentHeader[] segments = new SegmentHeader[6];
for (int index = 0; index < segments.Length; index++)
{
segments[index] = new SegmentHeader(
reader.ReadInt32(),
reader.ReadInt32(),
reader.ReadInt32(),
reader.ReadInt32());
}
TextOffset = segments[0].Offset;
RoOffset = segments[1].Offset;
DataOffset = segments[2].Offset;
BssOffset = segments[3].Offset;
BssSize = segments[3].DecompressedSize;
MainThreadStackSize = segments[1].Attribute;
Capabilities = new int[32];
for (int index = 0; index < Capabilities.Length; index++)
{
Capabilities[index] = reader.ReadInt32();
}
input.Seek(0x100, SeekOrigin.Begin);
Text = ReadSegment(segments[0], input);
Ro = ReadSegment(segments[1], input);
Data = ReadSegment(segments[2], input);
}
private byte[] ReadSegment(SegmentHeader header, Stream input)
{
byte[] data = new byte[header.DecompressedSize];
input.Read(data, 0, header.CompressedSize);
BackwardsLz.DecompressInPlace(data, header.CompressedSize);
return data;
}
private static string ReadString(BinaryReader reader, int maxSize)
{
string value = string.Empty;
for (int index = 0; index < maxSize; index++)
{
char chr = (char)reader.ReadByte();
if (chr == '\0')
{
reader.BaseStream.Seek(maxSize - index - 1, SeekOrigin.Current);
break;
}
value += chr;
}
return value;
}
}
}