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Better process implementation (#491)

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* Initial implementation of KProcess

* Some improvements to the memory manager, implement back guest stack trace printing

* Better GetInfo implementation, improve checking in some places with information from process capabilities

* Allow the cpu to read/write from the correct memory locations for accesses crossing a page boundary

* Change long -> ulong for address/size on memory related methods to avoid unnecessary casts

* Attempt at implementing ldr:ro with new KProcess

* Allow BSS with size 0 on ldr:ro

* Add checking for memory block slab heap usage, return errors if full, exit gracefully

* Use KMemoryBlockSize const from KMemoryManager

* Allow all methods to read from non-contiguous locations

* Fix for TransactParcelAuto

* Address PR feedback, additionally fix some small issues related to the KIP loader and implement SVCs GetProcessId, GetProcessList, GetSystemInfo, CreatePort and ManageNamedPort

* Fix wrong check for source pages count from page list on MapPhysicalMemory

* Fix some issues with UnloadNro on ldr:ro
This commit is contained in:
gdkchan 2018-11-28 20:18:09 -02:00 • committed by GitHub
parent e7fe7d7247
commit 00579927e4
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119 changed files with 7998 additions and 3232 deletions
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149
Ryujinx.HLE/Loaders/Executables/KernelInitialProcess.cs Normal file
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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)
{
this.Offset = Offset;
this.DecompressedSize = DecompressedSize;
this.CompressedSize = CompressedSize;
this.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[8];
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)
{
long End = Input.Position + Header.CompressedSize;
Input.Seek(End, SeekOrigin.Begin);
byte[] Data = BackwardsLz.Decompress(Input, Header.DecompressedSize);
Input.Seek(End, SeekOrigin.Begin);
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;
}
}
}