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TSR Berry 2023-04-08 01:22:00 +02:00 • committed by Mary
parent cd124bda58
commit cee7121058
3466 changed files with 55 additions and 55 deletions
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15
src/Ryujinx.HLE/Loaders/Elf/ElfDynamic.cs Normal file
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namespace Ryujinx.HLE.Loaders.Elf
{
struct ElfDynamic
{
public ElfDynamicTag Tag { get; private set; }
public long Value { get; private set; }
public ElfDynamic(ElfDynamicTag tag, long value)
{
Tag = tag;
Value = value;
}
}
}

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src/Ryujinx.HLE/Loaders/Elf/ElfDynamicTag.cs Normal file
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using System.Diagnostics.CodeAnalysis;
namespace Ryujinx.HLE.Loaders.Elf
{
[SuppressMessage("ReSharper", "InconsistentNaming")]
enum ElfDynamicTag
{
DT_NULL = 0,
DT_NEEDED = 1,
DT_PLTRELSZ = 2,
DT_PLTGOT = 3,
DT_HASH = 4,
DT_STRTAB = 5,
DT_SYMTAB = 6,
DT_RELA = 7,
DT_RELASZ = 8,
DT_RELAENT = 9,
DT_STRSZ = 10,
DT_SYMENT = 11,
DT_INIT = 12,
DT_FINI = 13,
DT_SONAME = 14,
DT_RPATH = 15,
DT_SYMBOLIC = 16,
DT_REL = 17,
DT_RELSZ = 18,
DT_RELENT = 19,
DT_PLTREL = 20,
DT_DEBUG = 21,
DT_TEXTREL = 22,
DT_JMPREL = 23,
DT_BIND_NOW = 24,
DT_INIT_ARRAY = 25,
DT_FINI_ARRAY = 26,
DT_INIT_ARRAYSZ = 27,
DT_FINI_ARRAYSZ = 28,
DT_RUNPATH = 29,
DT_FLAGS = 30,
DT_ENCODING = 32,
DT_PREINIT_ARRAY = 32,
DT_PREINIT_ARRAYSZ = 33,
DT_GNU_PRELINKED = 0x6ffffdf5,
DT_GNU_CONFLICTSZ = 0x6ffffdf6,
DT_GNU_LIBLISTSZ = 0x6ffffdf7,
DT_CHECKSUM = 0x6ffffdf8,
DT_PLTPADSZ = 0x6ffffdf9,
DT_MOVEENT = 0x6ffffdfa,
DT_MOVESZ = 0x6ffffdfb,
DT_FEATURE_1 = 0x6ffffdfc,
DT_POSFLAG_1 = 0x6ffffdfd,
DT_SYMINSZ = 0x6ffffdfe,
DT_SYMINENT = 0x6ffffdff,
DT_GNU_HASH = 0x6ffffef5,
DT_TLSDESC_PLT = 0x6ffffef6,
DT_TLSDESC_GOT = 0x6ffffef7,
DT_GNU_CONFLICT = 0x6ffffef8,
DT_GNU_LIBLIST = 0x6ffffef9,
DT_CONFIG = 0x6ffffefa,
DT_DEPAUDIT = 0x6ffffefb,
DT_AUDIT = 0x6ffffefc,
DT_PLTPAD = 0x6ffffefd,
DT_MOVETAB = 0x6ffffefe,
DT_SYMINFO = 0x6ffffeff,
DT_VERSYM = 0x6ffffff0,
DT_RELACOUNT = 0x6ffffff9,
DT_RELCOUNT = 0x6ffffffa,
DT_FLAGS_1 = 0x6ffffffb,
DT_VERDEF = 0x6ffffffc,
DT_VERDEFNUM = 0x6ffffffd,
DT_VERNEED = 0x6ffffffe,
DT_VERNEEDNUM = 0x6fffffff,
DT_AUXILIARY = 0x7ffffffd,
DT_FILTER = 0x7fffffff
}
}

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src/Ryujinx.HLE/Loaders/Elf/ElfSymbol.cs Normal file
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namespace Ryujinx.HLE.Loaders.Elf
{
struct ElfSymbol
{
public string Name { get; private set; }
public ElfSymbolType Type { get; private set; }
public ElfSymbolBinding Binding { get; private set; }
public ElfSymbolVisibility Visibility { get; private set; }
public bool IsFuncOrObject => Type == ElfSymbolType.SttFunc || Type == ElfSymbolType.SttObject;
public bool IsGlobalOrWeak => Binding == ElfSymbolBinding.StbGlobal || Binding == ElfSymbolBinding.StbWeak;
public int ShIdx { get; private set; }
public ulong Value { get; private set; }
public ulong Size { get; private set; }
public ElfSymbol(
string name,
int info,
int other,
int shIdx,
ulong value,
ulong size)
{
Name = name;
Type = (ElfSymbolType)(info & 0xf);
Binding = (ElfSymbolBinding)(info >> 4);
Visibility = (ElfSymbolVisibility)other;
ShIdx = shIdx;
Value = value;
Size = size;
}
}
}

14
src/Ryujinx.HLE/Loaders/Elf/ElfSymbol32.cs Normal file
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namespace Ryujinx.HLE.Loaders.Elf
{
struct ElfSymbol32
{
#pragma warning disable CS0649
public uint NameOffset;
public uint ValueAddress;
public uint Size;
public byte Info;
public byte Other;
public ushort SectionIndex;
#pragma warning restore CS0649
}
}

14
src/Ryujinx.HLE/Loaders/Elf/ElfSymbol64.cs Normal file
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namespace Ryujinx.HLE.Loaders.Elf
{
struct ElfSymbol64
{
#pragma warning disable CS0649
public uint NameOffset;
public byte Info;
public byte Other;
public ushort SectionIndex;
public ulong ValueAddress;
public ulong Size;
#pragma warning restore CS0649
}
}

9
src/Ryujinx.HLE/Loaders/Elf/ElfSymbolBinding.cs Normal file
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namespace Ryujinx.HLE.Loaders.Elf
{
enum ElfSymbolBinding
{
StbLocal = 0,
StbGlobal = 1,
StbWeak = 2
}
}

13
src/Ryujinx.HLE/Loaders/Elf/ElfSymbolType.cs Normal file
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namespace Ryujinx.HLE.Loaders.Elf
{
enum ElfSymbolType
{
SttNoType = 0,
SttObject = 1,
SttFunc = 2,
SttSection = 3,
SttFile = 4,
SttCommon = 5,
SttTls = 6
}
}

10
src/Ryujinx.HLE/Loaders/Elf/ElfSymbolVisibility.cs Normal file
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namespace Ryujinx.HLE.Loaders.Elf
{
enum ElfSymbolVisibility
{
StvDefault = 0,
StvInternal = 1,
StvHidden = 2,
StvProtected = 3
}
}

18
src/Ryujinx.HLE/Loaders/Executables/IExecutable.cs Normal file
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using System;
namespace Ryujinx.HLE.Loaders.Executables
{
interface IExecutable
{
byte[] Program { get; }
Span<byte> Text { get; }
Span<byte> Ro { get; }
Span<byte> Data { get; }
uint TextOffset { get; }
uint RoOffset { get; }
uint DataOffset { get; }
uint BssOffset { get; }
uint BssSize { get; }
}
}

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src/Ryujinx.HLE/Loaders/Executables/KipExecutable.cs Normal file
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using LibHac.Common;
using LibHac.Fs;
using LibHac.Kernel;
using System;
namespace Ryujinx.HLE.Loaders.Executables
{
class KipExecutable : IExecutable
{
public byte[] Program { get; }
public Span<byte> Text => Program.AsSpan((int)TextOffset, (int)TextSize);
public Span<byte> Ro => Program.AsSpan((int)RoOffset, (int)RoSize);
public Span<byte> Data => Program.AsSpan((int)DataOffset, (int)DataSize);
public uint TextOffset { get; }
public uint RoOffset { get; }
public uint DataOffset { get; }
public uint BssOffset { get; }
public uint TextSize { get; }
public uint RoSize { get; }
public uint DataSize { get; }
public uint BssSize { get; }
public uint[] Capabilities { get; }
public bool UsesSecureMemory { get; }
public bool Is64BitAddressSpace { get; }
public bool Is64Bit { get; }
public ulong ProgramId { get; }
public byte Priority { get; }
public int StackSize { get; }
public byte IdealCoreId { get; }
public int Version { get; }
public string Name { get; }
public KipExecutable(in SharedRef<IStorage> inStorage)
{
KipReader reader = new KipReader();
reader.Initialize(in inStorage).ThrowIfFailure();
TextOffset = (uint)reader.Segments[0].MemoryOffset;
RoOffset = (uint)reader.Segments[1].MemoryOffset;
DataOffset = (uint)reader.Segments[2].MemoryOffset;
BssOffset = (uint)reader.Segments[3].MemoryOffset;
BssSize = (uint)reader.Segments[3].Size;
StackSize = reader.StackSize;
UsesSecureMemory = reader.UsesSecureMemory;
Is64BitAddressSpace = reader.Is64BitAddressSpace;
Is64Bit = reader.Is64Bit;
ProgramId = reader.ProgramId;
Priority = reader.Priority;
IdealCoreId = reader.IdealCoreId;
Version = reader.Version;
Name = reader.Name.ToString();
Capabilities = new uint[32];
for (int index = 0; index < Capabilities.Length; index++)
{
Capabilities[index] = reader.Capabilities[index];
}
reader.GetSegmentSize(KipReader.SegmentType.Data, out int uncompressedSize).ThrowIfFailure();
Program = new byte[DataOffset + uncompressedSize];
TextSize = DecompressSection(reader, KipReader.SegmentType.Text, TextOffset, Program);
RoSize = DecompressSection(reader, KipReader.SegmentType.Ro, RoOffset, Program);
DataSize = DecompressSection(reader, KipReader.SegmentType.Data, DataOffset, Program);
}
private static uint DecompressSection(KipReader reader, KipReader.SegmentType segmentType, uint offset, byte[] program)
{
reader.GetSegmentSize(segmentType, out int uncompressedSize).ThrowIfFailure();
var span = program.AsSpan((int)offset, uncompressedSize);
reader.ReadSegment(segmentType, span).ThrowIfFailure();
return (uint)uncompressedSize;
}
}
}

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src/Ryujinx.HLE/Loaders/Executables/NroExecutable.cs Normal file
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using LibHac.Fs;
using LibHac.Tools.Ro;
using System;
namespace Ryujinx.HLE.Loaders.Executables
{
class NroExecutable : Nro, IExecutable
{
public byte[] Program { get; }
public Span<byte> Text => Program.AsSpan((int)TextOffset, (int)Header.NroSegments[0].Size);
public Span<byte> Ro => Program.AsSpan((int)RoOffset, (int)Header.NroSegments[1].Size);
public Span<byte> Data => Program.AsSpan((int)DataOffset, (int)Header.NroSegments[2].Size);
public uint TextOffset => Header.NroSegments[0].FileOffset;
public uint RoOffset => Header.NroSegments[1].FileOffset;
public uint DataOffset => Header.NroSegments[2].FileOffset;
public uint BssOffset => DataOffset + (uint)Data.Length;
public uint BssSize => Header.BssSize;
public uint Mod0Offset => (uint)Start.Mod0Offset;
public uint FileSize => Header.Size;
public ulong SourceAddress { get; private set; }
public ulong BssAddress { get; private set; }
public NroExecutable(IStorage inStorage, ulong sourceAddress = 0, ulong bssAddress = 0) : base(inStorage)
{
Program = new byte[FileSize];
SourceAddress = sourceAddress;
BssAddress = bssAddress;
OpenNroSegment(NroSegmentType.Text, false).Read(0, Text);
OpenNroSegment(NroSegmentType.Ro , false).Read(0, Ro);
OpenNroSegment(NroSegmentType.Data, false).Read(0, Data);
}
}
}

123
src/Ryujinx.HLE/Loaders/Executables/NsoExecutable.cs Normal file
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using LibHac.Common.FixedArrays;
using LibHac.Fs;
using LibHac.Loader;
using LibHac.Tools.FsSystem;
using Ryujinx.Common.Logging;
using System;
using System.Text;
using System.Text.RegularExpressions;
namespace Ryujinx.HLE.Loaders.Executables
{
partial class NsoExecutable : IExecutable
{
public byte[] Program { get; }
public Span<byte> Text => Program.AsSpan((int)TextOffset, (int)TextSize);
public Span<byte> Ro => Program.AsSpan((int)RoOffset, (int)RoSize);
public Span<byte> Data => Program.AsSpan((int)DataOffset, (int)DataSize);
public uint TextOffset { get; }
public uint RoOffset { get; }
public uint DataOffset { get; }
public uint BssOffset => DataOffset + (uint)Data.Length;
public uint TextSize { get; }
public uint RoSize { get; }
public uint DataSize { get; }
public uint BssSize { get; }
public string Name;
public Array32<byte> BuildId;
[GeneratedRegex(@"[a-z]:[\\/][ -~]{5,}\.nss", RegexOptions.IgnoreCase | RegexOptions.CultureInvariant)]
private static partial Regex ModuleRegex();
[GeneratedRegex(@"sdk_version: ([0-9.]*)")]
private static partial Regex FsSdkRegex();
[GeneratedRegex(@"SDK MW[ -~]*")]
private static partial Regex SdkMwRegex();
public NsoExecutable(IStorage inStorage, string name = null)
{
NsoReader reader = new NsoReader();
reader.Initialize(inStorage.AsFile(OpenMode.Read)).ThrowIfFailure();
TextOffset = reader.Header.Segments[0].MemoryOffset;
RoOffset = reader.Header.Segments[1].MemoryOffset;
DataOffset = reader.Header.Segments[2].MemoryOffset;
BssSize = reader.Header.BssSize;
reader.GetSegmentSize(NsoReader.SegmentType.Data, out uint uncompressedSize).ThrowIfFailure();
Program = new byte[DataOffset + uncompressedSize];
TextSize = DecompressSection(reader, NsoReader.SegmentType.Text, TextOffset);
RoSize = DecompressSection(reader, NsoReader.SegmentType.Ro, RoOffset);
DataSize = DecompressSection(reader, NsoReader.SegmentType.Data, DataOffset);
Name = name;
BuildId = reader.Header.ModuleId;
PrintRoSectionInfo();
}
private uint DecompressSection(NsoReader reader, NsoReader.SegmentType segmentType, uint offset)
{
reader.GetSegmentSize(segmentType, out uint uncompressedSize).ThrowIfFailure();
var span = Program.AsSpan((int)offset, (int)uncompressedSize);
reader.ReadSegment(segmentType, span).ThrowIfFailure();
return uncompressedSize;
}
private void PrintRoSectionInfo()
{
string rawTextBuffer = Encoding.ASCII.GetString(Ro);
StringBuilder stringBuilder = new StringBuilder();
string modulePath = null;
if (BitConverter.ToInt32(Ro.Slice(0, 4)) == 0)
{
int length = BitConverter.ToInt32(Ro.Slice(4, 4));
if (length > 0)
{
modulePath = Encoding.UTF8.GetString(Ro.Slice(8, length));
}
}
if (string.IsNullOrEmpty(modulePath))
{
Match moduleMatch = ModuleRegex().Match(rawTextBuffer);
if (moduleMatch.Success)
{
modulePath = moduleMatch.Value;
}
}
stringBuilder.AppendLine($" Module: {modulePath}");
Match fsSdkMatch = FsSdkRegex().Match(rawTextBuffer);
if (fsSdkMatch.Success)
{
stringBuilder.AppendLine($" FS SDK Version: {fsSdkMatch.Value.Replace("sdk_version: ", "")}");
}
MatchCollection sdkMwMatches = SdkMwRegex().Matches(rawTextBuffer);
if (sdkMwMatches.Count != 0)
{
string libHeader = " SDK Libraries: ";
string libContent = string.Join($"\n{new string(' ', libHeader.Length)}", sdkMwMatches);
stringBuilder.AppendLine($"{libHeader}{libContent}");
}
if (stringBuilder.Length > 0)
{
Logger.Info?.Print(LogClass.Loader, $"{Name}:\n{stringBuilder.ToString().TrimEnd('\r', '\n')}");
}
}
}
}

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src/Ryujinx.HLE/Loaders/Mods/IPSPatcher.cs Normal file
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using Ryujinx.Common.Logging;
using System;
using System.IO;
using System.Text;
namespace Ryujinx.HLE.Loaders.Mods
{
class IpsPatcher
{
MemPatch _patches;
public IpsPatcher(BinaryReader reader)
{
_patches = ParseIps(reader);
if (_patches != null)
{
Logger.Info?.Print(LogClass.ModLoader, "IPS patch loaded successfully");
}
}
private static MemPatch ParseIps(BinaryReader reader)
{
ReadOnlySpan<byte> IpsHeaderMagic = "PATCH"u8;
ReadOnlySpan<byte> IpsTailMagic = "EOF"u8;
ReadOnlySpan<byte> Ips32HeaderMagic = "IPS32"u8;
ReadOnlySpan<byte> Ips32TailMagic = "EEOF"u8;
MemPatch patches = new MemPatch();
var header = reader.ReadBytes(IpsHeaderMagic.Length).AsSpan();
if (header.Length != IpsHeaderMagic.Length)
{
return null;
}
bool is32;
ReadOnlySpan<byte> tailSpan;
if (header.SequenceEqual(IpsHeaderMagic))
{
is32 = false;
tailSpan = IpsTailMagic;
}
else if (header.SequenceEqual(Ips32HeaderMagic))
{
is32 = true;
tailSpan = Ips32TailMagic;
}
else
{
return null;
}
byte[] buf = new byte[tailSpan.Length];
bool ReadNext(int size) => reader.Read(buf, 0, size) != size;
while (true)
{
if (ReadNext(buf.Length))
{
return null;
}
if (buf.AsSpan().SequenceEqual(tailSpan))
{
break;
}
int patchOffset = is32 ? buf[0] << 24 | buf[1] << 16 | buf[2] << 8 | buf[3]
: buf[0] << 16 | buf[1] << 8 | buf[2];
if (ReadNext(2))
{
return null;
}
int patchSize = buf[0] << 8 | buf[1];
if (patchSize == 0) // RLE/Fill mode
{
if (ReadNext(2))
{
return null;
}
int fillLength = buf[0] << 8 | buf[1];
if (ReadNext(1))
{
return null;
}
patches.AddFill((uint)patchOffset, fillLength, buf[0]);
}
else // Copy mode
{
var patch = reader.ReadBytes(patchSize);
if (patch.Length != patchSize)
{
return null;
}
patches.Add((uint)patchOffset, patch);
}
}
return patches;
}
public void AddPatches(MemPatch patches)
{
patches.AddFrom(_patches);
}
}
}

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src/Ryujinx.HLE/Loaders/Mods/IPSwitchPatcher.cs Normal file
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using Ryujinx.Common.Logging;
using System;
using System.IO;
using System.Text;
namespace Ryujinx.HLE.Loaders.Mods
{
class IPSwitchPatcher
{
const string BidHeader = "@nsobid-";
private enum Token
{
Normal,
String,
EscapeChar,
Comment
}
private readonly StreamReader _reader;
public string BuildId { get; }
public IPSwitchPatcher(StreamReader reader)
{
string header = reader.ReadLine();
if (header == null || !header.StartsWith(BidHeader))
{
Logger.Error?.Print(LogClass.ModLoader, "IPSwitch: Malformed PCHTXT file. Skipping...");
return;
}
_reader = reader;
BuildId = header.Substring(BidHeader.Length).TrimEnd().TrimEnd('0');
}
// Uncomments line and unescapes C style strings within
private static string PreprocessLine(string line)
{
StringBuilder str = new StringBuilder();
Token state = Token.Normal;
for (int i = 0; i < line.Length; ++i)
{
char c = line[i];
char la = i + 1 != line.Length ? line[i + 1] : '\0';
switch (state)
{
case Token.Normal:
state = c == '"' ? Token.String :
c == '/' && la == '/' ? Token.Comment :
c == '/' && la != '/' ? Token.Comment : // Ignore error and stop parsing
Token.Normal;
break;
case Token.String:
state = c switch
{
'"' => Token.Normal,
'\\' => Token.EscapeChar,
_ => Token.String
};
break;
case Token.EscapeChar:
state = Token.String;
c = c switch
{
'a' => '\a',
'b' => '\b',
'f' => '\f',
'n' => '\n',
'r' => '\r',
't' => '\t',
'v' => '\v',
'\\' => '\\',
_ => '?'
};
break;
}
if (state == Token.Comment) break;
if (state < Token.EscapeChar)
{
str.Append(c);
}
}
return str.ToString().Trim();
}
static int ParseHexByte(byte c)
{
if (c >= '0' && c <= '9')
{
return c - '0';
}
else if (c >= 'A' && c <= 'F')
{
return c - 'A' + 10;
}
else if (c >= 'a' && c <= 'f')
{
return c - 'a' + 10;
}
else
{
return 0;
}
}
// Big Endian
static byte[] Hex2ByteArrayBE(string hexstr)
{
if ((hexstr.Length & 1) == 1) return null;
byte[] bytes = new byte[hexstr.Length >> 1];
for (int i = 0; i < hexstr.Length; i += 2)
{
int high = ParseHexByte((byte)hexstr[i]);
int low = ParseHexByte((byte)hexstr[i + 1]);
bytes[i >> 1] = (byte)((high << 4) | low);
}
return bytes;
}
// Auto base discovery
private static bool ParseInt(string str, out int value)
{
if (str[0] == '0' && (str[1] == 'x' || str[1] == 'X'))
{
return int.TryParse(str.AsSpan(2), System.Globalization.NumberStyles.HexNumber, null, out value);
}
else
{
return int.TryParse(str, System.Globalization.NumberStyles.Integer, null, out value);
}
}
private MemPatch Parse()
{
if (_reader == null)
{
return null;
}
MemPatch patches = new MemPatch();
bool enabled = false;
bool printValues = false;
int offset_shift = 0;
string line;
int lineNum = 0;
static void Print(string s) => Logger.Info?.Print(LogClass.ModLoader, $"IPSwitch: {s}");
void ParseWarn() => Logger.Warning?.Print(LogClass.ModLoader, $"IPSwitch: Parse error at line {lineNum} for bid={BuildId}");
while ((line = _reader.ReadLine()) != null)
{
if (string.IsNullOrWhiteSpace(line))
{
enabled = false;
continue;
}
line = PreprocessLine(line);
lineNum += 1;
if (line.Length == 0)
{
continue;
}
else if (line.StartsWith('#'))
{
Print(line);
}
else if (line.StartsWith("@stop"))
{
break;
}
else if (line.StartsWith("@enabled"))
{
enabled = true;
}
else if (line.StartsWith("@disabled"))
{
enabled = false;
}
else if (line.StartsWith("@flag"))
{
var tokens = line.Split(' ', 3, StringSplitOptions.RemoveEmptyEntries);
if (tokens.Length < 2)
{
ParseWarn();
continue;
}
if (tokens[1] == "offset_shift")
{
if (tokens.Length != 3 || !ParseInt(tokens[2], out offset_shift))
{
ParseWarn();
continue;
}
}
else if (tokens[1] == "print_values")
{
printValues = true;
}
}
else if (line.StartsWith('@'))
{
// Ignore
}
else
{
if (!enabled)
{
continue;
}
var tokens = line.Split(' ', 2, StringSplitOptions.RemoveEmptyEntries);
if (tokens.Length < 2)
{
ParseWarn();
continue;
}
if (!int.TryParse(tokens[0], System.Globalization.NumberStyles.HexNumber, null, out int offset))
{
ParseWarn();
continue;
}
offset += offset_shift;
if (printValues)
{
Print($"print_values 0x{offset:x} <= {tokens[1]}");
}
if (tokens[1][0] == '"')
{
var patch = Encoding.ASCII.GetBytes(tokens[1].Trim('"') + "\0");
patches.Add((uint)offset, patch);
}
else
{
var patch = Hex2ByteArrayBE(tokens[1]);
patches.Add((uint)offset, patch);
}
}
}
return patches;
}
public void AddPatches(MemPatch patches)
{
patches.AddFrom(Parse());
}
}
}

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src/Ryujinx.HLE/Loaders/Mods/MemPatch.cs Normal file
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using Ryujinx.Common.Logging;
using System;
using System.Collections.Generic;
using System.Linq;
namespace Ryujinx.HLE.Loaders.Mods
{
public class MemPatch
{
readonly Dictionary<uint, byte[]> _patches = new Dictionary<uint, byte[]>();
/// <summary>
/// Adds a patch to specified offset. Overwrites if already present.
/// </summary>
/// <param name="offset">Memory offset</param>
/// <param name="patch">The patch to add</param>
public void Add(uint offset, byte[] patch)
{
_patches[offset] = patch;
}
/// <summary>
/// Adds a patch in the form of an RLE (Fill mode).
/// </summary>
/// <param name="offset">Memory offset</param>
/// <param name="length"The fill length</param>
/// <param name="filler">The byte to fill</param>
public void AddFill(uint offset, int length, byte filler)
{
// TODO: Can be made space efficient by changing `_patches`
// Should suffice for now
byte[] patch = new byte[length];
patch.AsSpan().Fill(filler);
_patches[offset] = patch;
}
/// <summary>
/// Adds all patches from an existing MemPatch
/// </summary>
/// <param name="patches">The patches to add</param>
public void AddFrom(MemPatch patches)
{
if (patches == null)
{
return;
}
foreach (var (patchOffset, patch) in patches._patches)
{
_patches[patchOffset] = patch;
}
}
/// <summary>
/// Applies all the patches added to this instance.
/// </summary>
/// <remarks>
/// Patches are applied in ascending order of offsets to guarantee
/// overlapping patches always apply the same way.
/// </remarks>
/// <param name="memory">The span of bytes to patch</param>
/// <param name="maxSize">The maximum size of the slice of patchable memory</param>
/// <param name="protectedOffset">A secondary offset used in special cases (NSO header)</param>
/// <returns>Successful patches count</returns>
public int Patch(Span<byte> memory, int protectedOffset = 0)
{
int count = 0;
foreach (var (offset, patch) in _patches.OrderBy(item => item.Key))
{
int patchOffset = (int)offset;
int patchSize = patch.Length;
if (patchOffset < protectedOffset || patchOffset > memory.Length)
{
continue; // Add warning?
}
patchOffset -= protectedOffset;
if (patchOffset + patchSize > memory.Length)
{
patchSize = memory.Length - patchOffset; // Add warning?
}
Logger.Info?.Print(LogClass.ModLoader, $"Patching address offset {patchOffset:x} <= {BitConverter.ToString(patch).Replace('-', ' ')} len={patchSize}");
patch.AsSpan(0, patchSize).CopyTo(memory.Slice(patchOffset, patchSize));
count++;
}
return count;
}
}
}

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using Ryujinx.HLE.Exceptions;
using System.IO;
namespace Ryujinx.HLE.Loaders.Npdm
{
public class Aci0
{
private const int Aci0Magic = 'A' << 0 | 'C' << 8 | 'I' << 16 | '0' << 24;
public ulong TitleId { get; set; }
public int FsVersion { get; private set; }
public ulong FsPermissionsBitmask { get; private set; }
public ServiceAccessControl ServiceAccessControl { get; private set; }
public KernelAccessControl KernelAccessControl { get; private set; }
public Aci0(Stream stream, int offset)
{
stream.Seek(offset, SeekOrigin.Begin);
BinaryReader reader = new BinaryReader(stream);
if (reader.ReadInt32() != Aci0Magic)
{
throw new InvalidNpdmException("ACI0 Stream doesn't contain ACI0 section!");
}
stream.Seek(0xc, SeekOrigin.Current);
TitleId = reader.ReadUInt64();
// Reserved.
stream.Seek(8, SeekOrigin.Current);
int fsAccessHeaderOffset = reader.ReadInt32();
int fsAccessHeaderSize = reader.ReadInt32();
int serviceAccessControlOffset = reader.ReadInt32();
int serviceAccessControlSize = reader.ReadInt32();
int kernelAccessControlOffset = reader.ReadInt32();
int kernelAccessControlSize = reader.ReadInt32();
FsAccessHeader fsAccessHeader = new FsAccessHeader(stream, offset + fsAccessHeaderOffset, fsAccessHeaderSize);
FsVersion = fsAccessHeader.Version;
FsPermissionsBitmask = fsAccessHeader.PermissionsBitmask;
ServiceAccessControl = new ServiceAccessControl(stream, offset + serviceAccessControlOffset, serviceAccessControlSize);
KernelAccessControl = new KernelAccessControl(stream, offset + kernelAccessControlOffset, kernelAccessControlSize);
}
}
}

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using Ryujinx.HLE.Exceptions;
using System.IO;
namespace Ryujinx.HLE.Loaders.Npdm
{
public class Acid
{
private const int AcidMagic = 'A' << 0 | 'C' << 8 | 'I' << 16 | 'D' << 24;
public byte[] Rsa2048Signature { get; private set; }
public byte[] Rsa2048Modulus { get; private set; }
public int Unknown1 { get; private set; }
public int Flags { get; private set; }
public long TitleIdRangeMin { get; private set; }
public long TitleIdRangeMax { get; private set; }
public FsAccessControl FsAccessControl { get; private set; }
public ServiceAccessControl ServiceAccessControl { get; private set; }
public KernelAccessControl KernelAccessControl { get; private set; }
public Acid(Stream stream, int offset)
{
stream.Seek(offset, SeekOrigin.Begin);
BinaryReader reader = new BinaryReader(stream);
Rsa2048Signature = reader.ReadBytes(0x100);
Rsa2048Modulus = reader.ReadBytes(0x100);
if (reader.ReadInt32() != AcidMagic)
{
throw new InvalidNpdmException("ACID Stream doesn't contain ACID section!");
}
// Size field used with the above signature (?).
Unknown1 = reader.ReadInt32();
reader.ReadInt32();
// Bit0 must be 1 on retail, on devunit 0 is also allowed. Bit1 is unknown.
Flags = reader.ReadInt32();
TitleIdRangeMin = reader.ReadInt64();
TitleIdRangeMax = reader.ReadInt64();
int fsAccessControlOffset = reader.ReadInt32();
int fsAccessControlSize = reader.ReadInt32();
int serviceAccessControlOffset = reader.ReadInt32();
int serviceAccessControlSize = reader.ReadInt32();
int kernelAccessControlOffset = reader.ReadInt32();
int kernelAccessControlSize = reader.ReadInt32();
FsAccessControl = new FsAccessControl(stream, offset + fsAccessControlOffset, fsAccessControlSize);
ServiceAccessControl = new ServiceAccessControl(stream, offset + serviceAccessControlOffset, serviceAccessControlSize);
KernelAccessControl = new KernelAccessControl(stream, offset + kernelAccessControlOffset, kernelAccessControlSize);
}
}
}

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using System.IO;
namespace Ryujinx.HLE.Loaders.Npdm
{
public class FsAccessControl
{
public int Version { get; private set; }
public ulong PermissionsBitmask { get; private set; }
public int Unknown1 { get; private set; }
public int Unknown2 { get; private set; }
public int Unknown3 { get; private set; }
public int Unknown4 { get; private set; }
public FsAccessControl(Stream stream, int offset, int size)
{
stream.Seek(offset, SeekOrigin.Begin);
BinaryReader reader = new BinaryReader(stream);
Version = reader.ReadInt32();
PermissionsBitmask = reader.ReadUInt64();
Unknown1 = reader.ReadInt32();
Unknown2 = reader.ReadInt32();
Unknown3 = reader.ReadInt32();
Unknown4 = reader.ReadInt32();
}
}
}

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using Ryujinx.HLE.Exceptions;
using System;
using System.IO;
namespace Ryujinx.HLE.Loaders.Npdm
{
class FsAccessHeader
{
public int Version { get; private set; }
public ulong PermissionsBitmask { get; private set; }
public FsAccessHeader(Stream stream, int offset, int size)
{
stream.Seek(offset, SeekOrigin.Begin);
BinaryReader reader = new BinaryReader(stream);
Version = reader.ReadInt32();
PermissionsBitmask = reader.ReadUInt64();
int dataSize = reader.ReadInt32();
if (dataSize != 0x1c)
{
throw new InvalidNpdmException("FsAccessHeader is corrupted!");
}
int contentOwnerIdSize = reader.ReadInt32();
int dataAndContentOwnerIdSize = reader.ReadInt32();
if (dataAndContentOwnerIdSize != 0x1c)
{
throw new NotImplementedException("ContentOwnerId section is not implemented!");
}
}
}
}

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using System.IO;
namespace Ryujinx.HLE.Loaders.Npdm
{
public class KernelAccessControl
{
public int[] Capabilities { get; private set; }
public KernelAccessControl(Stream stream, int offset, int size)
{
stream.Seek(offset, SeekOrigin.Begin);
Capabilities = new int[size / 4];
BinaryReader reader = new BinaryReader(stream);
for (int index = 0; index < Capabilities.Length; index++)
{
Capabilities[index] = reader.ReadInt32();
}
}
}
}

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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
public class Npdm
{
private const int MetaMagic = 'M' << 0 | 'E' << 8 | 'T' << 16 | 'A' << 24;
public byte ProcessFlags { get; private set; }
public bool Is64Bit { get; private set; }
public byte MainThreadPriority { get; private set; }
public byte DefaultCpuId { get; private set; }
public int PersonalMmHeapSize { get; private set; }
public int Version { get; private set; }
public int MainThreadStackSize { get; private set; }
public string TitleName { get; set; }
public byte[] ProductCode { get; private set; }
public Aci0 Aci0 { get; private set; }
public Acid Acid { get; private set; }
public Npdm(Stream stream)
{
BinaryReader reader = new BinaryReader(stream);
if (reader.ReadInt32() != MetaMagic)
{
throw new InvalidNpdmException("NPDM Stream doesn't contain NPDM file!");
}
reader.ReadInt64();
ProcessFlags = reader.ReadByte();
Is64Bit = (ProcessFlags & 1) != 0;
reader.ReadByte();
MainThreadPriority = reader.ReadByte();
DefaultCpuId = reader.ReadByte();
reader.ReadInt32();
PersonalMmHeapSize = reader.ReadInt32();
Version = reader.ReadInt32();
MainThreadStackSize = reader.ReadInt32();
byte[] tempTitleName = reader.ReadBytes(0x10);
TitleName = Encoding.UTF8.GetString(tempTitleName, 0, tempTitleName.Length).Trim('\0');
ProductCode = reader.ReadBytes(0x10);
stream.Seek(0x30, SeekOrigin.Current);
int aci0Offset = reader.ReadInt32();
int aci0Size = reader.ReadInt32();
int acidOffset = reader.ReadInt32();
int acidSize = reader.ReadInt32();
Aci0 = new Aci0(stream, aci0Offset);
Acid = new Acid(stream, acidOffset);
}
}
}

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using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.IO;
using System.Text;
namespace Ryujinx.HLE.Loaders.Npdm
{
public class ServiceAccessControl
{
public IReadOnlyDictionary<string, bool> Services { get; private set; }
public ServiceAccessControl(Stream stream, int offset, int size)
{
stream.Seek(offset, SeekOrigin.Begin);
BinaryReader reader = new BinaryReader(stream);
int bytesRead = 0;
Dictionary<string, bool> services = new Dictionary<string, bool>();
while (bytesRead != size)
{
byte controlByte = reader.ReadByte();
if (controlByte == 0)
{
break;
}
int length = (controlByte & 0x07) + 1;
bool registerAllowed = (controlByte & 0x80) != 0;
services[Encoding.ASCII.GetString(reader.ReadBytes(length))] = registerAllowed;
bytesRead += length + 1;
}
Services = new ReadOnlyDictionary<string, bool>(services);
}
}
}

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using LibHac.Common;
using LibHac.Fs;
using LibHac.Fs.Fsa;
using LibHac.Loader;
using LibHac.Ns;
using LibHac.Tools.FsSystem;
using Ryujinx.Common.Configuration;
using Ryujinx.Common.Logging;
using Ryujinx.HLE.Loaders.Executables;
using Ryujinx.Memory;
using System.Linq;
using static Ryujinx.HLE.HOS.ModLoader;
namespace Ryujinx.HLE.Loaders.Processes.Extensions
{
static class FileSystemExtensions
{
public static MetaLoader GetNpdm(this IFileSystem fileSystem)
{
MetaLoader metaLoader = new();
if (fileSystem == null || !fileSystem.FileExists(ProcessConst.MainNpdmPath))
{
Logger.Warning?.Print(LogClass.Loader, "NPDM file not found, using default values!");
metaLoader.LoadDefault();
}
else
{
metaLoader.LoadFromFile(fileSystem);
}
return metaLoader;
}
public static ProcessResult Load(this IFileSystem exeFs, Switch device, BlitStruct<ApplicationControlProperty> nacpData, MetaLoader metaLoader, bool isHomebrew = false)
{
ulong programId = metaLoader.GetProgramId();
// Replace the whole ExeFs partition by the modded one.
if (device.Configuration.VirtualFileSystem.ModLoader.ReplaceExefsPartition(programId, ref exeFs))
{
metaLoader = null;
}
// Reload the MetaLoader in case of ExeFs partition replacement.
metaLoader ??= exeFs.GetNpdm();
NsoExecutable[] nsoExecutables = new NsoExecutable[ProcessConst.ExeFsPrefixes.Length];
for (int i = 0; i < nsoExecutables.Length; i++)
{
string name = ProcessConst.ExeFsPrefixes[i];
if (!exeFs.FileExists($"/{name}"))
{
continue; // File doesn't exist, skip.
}
Logger.Info?.Print(LogClass.Loader, $"Loading {name}...");
using var nsoFile = new UniqueRef<IFile>();
exeFs.OpenFile(ref nsoFile.Ref, $"/{name}".ToU8Span(), OpenMode.Read).ThrowIfFailure();
nsoExecutables[i] = new NsoExecutable(nsoFile.Release().AsStorage(), name);
}
// ExeFs file replacements.
ModLoadResult modLoadResult = device.Configuration.VirtualFileSystem.ModLoader.ApplyExefsMods(programId, nsoExecutables);
// Take the Npdm from mods if present.
if (modLoadResult.Npdm != null)
{
metaLoader = modLoadResult.Npdm;
}
// Collect the Nsos, ignoring ones that aren't used.
nsoExecutables = nsoExecutables.Where(x => x != null).ToArray();
// Apply Nsos patches.
device.Configuration.VirtualFileSystem.ModLoader.ApplyNsoPatches(programId, nsoExecutables);
// Don't use PTC if ExeFS files have been replaced.
bool enablePtc = device.System.EnablePtc && !modLoadResult.Modified;
if (!enablePtc)
{
Logger.Warning?.Print(LogClass.Ptc, $"Detected unsupported ExeFs modifications. PTC disabled.");
}
// We allow it for nx-hbloader because it can be used to launch homebrew.
bool allowCodeMemoryForJit = programId == 0x010000000000100DUL || isHomebrew;
string programName = "";
if (!isHomebrew && programId > 0x010000000000FFFF)
{
programName = nacpData.Value.Title[(int)device.System.State.DesiredTitleLanguage].NameString.ToString();
if (string.IsNullOrWhiteSpace(programName))
{
programName = nacpData.Value.Title.ItemsRo.ToArray().FirstOrDefault(x => x.Name[0] != 0).NameString.ToString();
}
}
// Initialize GPU.
Graphics.Gpu.GraphicsConfig.TitleId = $"{programId:x16}";
device.Gpu.HostInitalized.Set();
if (!MemoryBlock.SupportsFlags(MemoryAllocationFlags.ViewCompatible))
{
device.Configuration.MemoryManagerMode = MemoryManagerMode.SoftwarePageTable;
}
ProcessResult processResult = ProcessLoaderHelper.LoadNsos(
device,
device.System.KernelContext,
metaLoader,
nacpData.Value,
enablePtc,
allowCodeMemoryForJit,
programName,
metaLoader.GetProgramId(),
null,
nsoExecutables);
// TODO: This should be stored using ProcessId instead.
device.System.LibHacHorizonManager.ArpIReader.ApplicationId = new LibHac.ApplicationId(metaLoader.GetProgramId());
return processResult;
}
}
}

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using LibHac.Common;
using LibHac.FsSystem;
using LibHac.Loader;
using LibHac.Ns;
using Ryujinx.HLE.Loaders.Processes.Extensions;
using ApplicationId = LibHac.Ncm.ApplicationId;
namespace Ryujinx.HLE.Loaders.Processes
{
static class LocalFileSystemExtensions
{
public static ProcessResult Load(this LocalFileSystem exeFs, Switch device, string romFsPath = "")
{
MetaLoader metaLoader = exeFs.GetNpdm();
var nacpData = new BlitStruct<ApplicationControlProperty>(1);
ulong programId = metaLoader.GetProgramId();
device.Configuration.VirtualFileSystem.ModLoader.CollectMods(
new[] { programId },
device.Configuration.VirtualFileSystem.ModLoader.GetModsBasePath(),
device.Configuration.VirtualFileSystem.ModLoader.GetSdModsBasePath());
if (programId != 0)
{
ProcessLoaderHelper.EnsureSaveData(device, new ApplicationId(programId), nacpData);
}
ProcessResult processResult = exeFs.Load(device, nacpData, metaLoader);
// Load RomFS.
if (!string.IsNullOrEmpty(romFsPath))
{
device.Configuration.VirtualFileSystem.LoadRomFs(processResult.ProcessId, romFsPath);
}
return processResult;
}
}
}

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using LibHac.Common;
using LibHac.Fs;
using LibHac.Fs.Fsa;
using LibHac.Loader;
using LibHac.Util;
using Ryujinx.Common;
using System;
namespace Ryujinx.HLE.Loaders.Processes.Extensions
{
public static class MetaLoaderExtensions
{
public static ulong GetProgramId(this MetaLoader metaLoader)
{
metaLoader.GetNpdm(out var npdm).ThrowIfFailure();
return npdm.Aci.ProgramId.Value;
}
public static string GetProgramName(this MetaLoader metaLoader)
{
metaLoader.GetNpdm(out var npdm).ThrowIfFailure();
return StringUtils.Utf8ZToString(npdm.Meta.ProgramName);
}
public static bool IsProgram64Bit(this MetaLoader metaLoader)
{
metaLoader.GetNpdm(out var npdm).ThrowIfFailure();
return (npdm.Meta.Flags & 1) != 0;
}
public static void LoadDefault(this MetaLoader metaLoader)
{
byte[] npdmBuffer = EmbeddedResources.Read("Ryujinx.HLE/Homebrew.npdm");
metaLoader.Load(npdmBuffer).ThrowIfFailure();
}
public static void LoadFromFile(this MetaLoader metaLoader, IFileSystem fileSystem, string path = "")
{
if (string.IsNullOrEmpty(path))
{
path = ProcessConst.MainNpdmPath;
}
using var npdmFile = new UniqueRef<IFile>();
fileSystem.OpenFile(ref npdmFile.Ref, path.ToU8Span(), OpenMode.Read).ThrowIfFailure();
npdmFile.Get.GetSize(out long fileSize).ThrowIfFailure();
Span<byte> npdmBuffer = new byte[fileSize];
npdmFile.Get.Read(out _, 0, npdmBuffer).ThrowIfFailure();
metaLoader.Load(npdmBuffer).ThrowIfFailure();
}
}
}

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using LibHac;
using LibHac.Common;
using LibHac.Fs;
using LibHac.Fs.Fsa;
using LibHac.Loader;
using LibHac.Ncm;
using LibHac.Ns;
using LibHac.Tools.FsSystem;
using LibHac.Tools.FsSystem.NcaUtils;
using Ryujinx.Common.Logging;
using System.IO;
using System.Linq;
using ApplicationId = LibHac.Ncm.ApplicationId;
namespace Ryujinx.HLE.Loaders.Processes.Extensions
{
static class NcaExtensions
{
public static ProcessResult Load(this Nca nca, Switch device, Nca patchNca, Nca controlNca)
{
// Extract RomFs and ExeFs from NCA.
IStorage romFs = nca.GetRomFs(device, patchNca);
IFileSystem exeFs = nca.GetExeFs(device, patchNca);
if (exeFs == null)
{
Logger.Error?.Print(LogClass.Loader, "No ExeFS found in NCA");
return ProcessResult.Failed;
}
// Load Npdm file.
MetaLoader metaLoader = exeFs.GetNpdm();
// Collecting mods related to AocTitleIds and ProgramId.
device.Configuration.VirtualFileSystem.ModLoader.CollectMods(
device.Configuration.ContentManager.GetAocTitleIds().Prepend(metaLoader.GetProgramId()),
device.Configuration.VirtualFileSystem.ModLoader.GetModsBasePath(),
device.Configuration.VirtualFileSystem.ModLoader.GetSdModsBasePath());
// Load Nacp file.
var nacpData = new BlitStruct<ApplicationControlProperty>(1);
if (controlNca != null)
{
nacpData = controlNca.GetNacp(device);
}
/* TODO: Rework this since it's wrong and doesn't work as it takes the DisplayVersion from a "potential" inexistant update.
// Load program 0 control NCA as we are going to need it for display version.
(_, Nca updateProgram0ControlNca) = GetGameUpdateData(_device.Configuration.VirtualFileSystem, mainNca.Header.TitleId.ToString("x16"), 0, out _);
// NOTE: Nintendo doesn't guarantee that the display version will be updated on sub programs when updating a multi program application.
// As such, to avoid PTC cache confusion, we only trust the program 0 display version when launching a sub program.
if (updateProgram0ControlNca != null && _device.Configuration.UserChannelPersistence.Index != 0)
{
nacpData.Value.DisplayVersion = updateProgram0ControlNca.GetNacp(_device).Value.DisplayVersion;
}
*/
ProcessResult processResult = exeFs.Load(device, nacpData, metaLoader);
// Load RomFS.
if (romFs == null)
{
Logger.Warning?.Print(LogClass.Loader, "No RomFS found in NCA");
}
else
{
romFs = device.Configuration.VirtualFileSystem.ModLoader.ApplyRomFsMods(processResult.ProgramId, romFs);
device.Configuration.VirtualFileSystem.SetRomFs(processResult.ProcessId, romFs.AsStream(FileAccess.Read));
}
// Don't create save data for system programs.
if (processResult.ProgramId != 0 && (processResult.ProgramId < SystemProgramId.Start.Value || processResult.ProgramId > SystemAppletId.End.Value))
{
// Multi-program applications can technically use any program ID for the main program, but in practice they always use 0 in the low nibble.
// We'll know if this changes in the future because applications will get errors when trying to mount the correct save.
ProcessLoaderHelper.EnsureSaveData(device, new ApplicationId(processResult.ProgramId & ~0xFul), nacpData);
}
return processResult;
}
public static int GetProgramIndex(this Nca nca)
{
return (int)(nca.Header.TitleId & 0xF);
}
public static bool IsProgram(this Nca nca)
{
return nca.Header.ContentType == NcaContentType.Program;
}
public static bool IsPatch(this Nca nca)
{
int dataIndex = Nca.GetSectionIndexFromType(NcaSectionType.Data, NcaContentType.Program);
return nca.IsProgram() && nca.SectionExists(NcaSectionType.Data) && nca.Header.GetFsHeader(dataIndex).IsPatchSection();
}
public static bool IsControl(this Nca nca)
{
return nca.Header.ContentType == NcaContentType.Control;
}
public static IFileSystem GetExeFs(this Nca nca, Switch device, Nca patchNca = null)
{
IFileSystem exeFs = null;
if (patchNca == null)
{
if (nca.CanOpenSection(NcaSectionType.Code))
{
exeFs = nca.OpenFileSystem(NcaSectionType.Code, device.System.FsIntegrityCheckLevel);
}
}
else
{
if (patchNca.CanOpenSection(NcaSectionType.Code))
{
exeFs = nca.OpenFileSystemWithPatch(patchNca, NcaSectionType.Code, device.System.FsIntegrityCheckLevel);
}
}
return exeFs;
}
public static IStorage GetRomFs(this Nca nca, Switch device, Nca patchNca = null)
{
IStorage romFs = null;
if (patchNca == null)
{
if (nca.CanOpenSection(NcaSectionType.Data))
{
romFs = nca.OpenStorage(NcaSectionType.Data, device.System.FsIntegrityCheckLevel);
}
}
else
{
if (patchNca.CanOpenSection(NcaSectionType.Data))
{
romFs = nca.OpenStorageWithPatch(patchNca, NcaSectionType.Data, device.System.FsIntegrityCheckLevel);
}
}
return romFs;
}
public static BlitStruct<ApplicationControlProperty> GetNacp(this Nca controlNca, Switch device)
{
var nacpData = new BlitStruct<ApplicationControlProperty>(1);
using var controlFile = new UniqueRef<IFile>();
Result result = controlNca.OpenFileSystem(NcaSectionType.Data, device.System.FsIntegrityCheckLevel)
.OpenFile(ref controlFile.Ref, "/control.nacp".ToU8Span(), OpenMode.Read);
if (result.IsSuccess())
{
result = controlFile.Get.Read(out long bytesRead, 0, nacpData.ByteSpan, ReadOption.None);
}
else
{
nacpData.ByteSpan.Clear();
}
return nacpData;
}
}
}

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using LibHac.Common;
using LibHac.Fs;
using LibHac.Fs.Fsa;
using LibHac.FsSystem;
using LibHac.Tools.Fs;
using LibHac.Tools.FsSystem;
using LibHac.Tools.FsSystem.NcaUtils;
using Ryujinx.Common.Configuration;
using Ryujinx.Common.Logging;
using Ryujinx.Common.Utilities;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
namespace Ryujinx.HLE.Loaders.Processes.Extensions
{
public static class PartitionFileSystemExtensions
{
private static readonly DownloadableContentJsonSerializerContext ContentSerializerContext = new(JsonHelper.GetDefaultSerializerOptions());
private static readonly TitleUpdateMetadataJsonSerializerContext TitleSerializerContext = new(JsonHelper.GetDefaultSerializerOptions());
internal static (bool, ProcessResult) TryLoad(this PartitionFileSystem partitionFileSystem, Switch device, string path, out string errorMessage)
{
errorMessage = null;
// Load required NCAs.
Nca mainNca = null;
Nca patchNca = null;
Nca controlNca = null;
try
{
device.Configuration.VirtualFileSystem.ImportTickets(partitionFileSystem);
// TODO: To support multi-games container, this should use CNMT NCA instead.
foreach (DirectoryEntryEx fileEntry in partitionFileSystem.EnumerateEntries("/", "*.nca"))
{
Nca nca = partitionFileSystem.GetNca(device, fileEntry.FullPath);
if (nca.GetProgramIndex() != device.Configuration.UserChannelPersistence.Index)
{
continue;
}
if (nca.IsPatch())
{
patchNca = nca;
}
else if (nca.IsProgram())
{
mainNca = nca;
}
else if (nca.IsControl())
{
controlNca = nca;
}
}
ProcessLoaderHelper.RegisterProgramMapInfo(device, partitionFileSystem).ThrowIfFailure();
}
catch (Exception ex)
{
errorMessage = $"Unable to load: {ex.Message}";
return (false, ProcessResult.Failed);
}
if (mainNca != null)
{
if (mainNca.Header.ContentType != NcaContentType.Program)
{
errorMessage = "Selected NCA file is not a \"Program\" NCA";
return (false, ProcessResult.Failed);
}
// Load Update NCAs.
Nca updatePatchNca = null;
Nca updateControlNca = null;
if (ulong.TryParse(mainNca.Header.TitleId.ToString("x16"), NumberStyles.HexNumber, CultureInfo.InvariantCulture, out ulong titleIdBase))
{
// Clear the program index part.
titleIdBase &= ~0xFUL;
// Load update information if exists.
string titleUpdateMetadataPath = System.IO.Path.Combine(AppDataManager.GamesDirPath, titleIdBase.ToString("x16"), "updates.json");
if (File.Exists(titleUpdateMetadataPath))
{
string updatePath = JsonHelper.DeserializeFromFile(titleUpdateMetadataPath, TitleSerializerContext.TitleUpdateMetadata).Selected;
if (File.Exists(updatePath))
{
PartitionFileSystem updatePartitionFileSystem = new(new FileStream(updatePath, FileMode.Open, FileAccess.Read).AsStorage());
device.Configuration.VirtualFileSystem.ImportTickets(updatePartitionFileSystem);
// TODO: This should use CNMT NCA instead.
foreach (DirectoryEntryEx fileEntry in updatePartitionFileSystem.EnumerateEntries("/", "*.nca"))
{
Nca nca = updatePartitionFileSystem.GetNca(device, fileEntry.FullPath);
if (nca.GetProgramIndex() != device.Configuration.UserChannelPersistence.Index)
{
continue;
}
if ($"{nca.Header.TitleId.ToString("x16")[..^3]}000" != titleIdBase.ToString("x16"))
{
break;
}
if (nca.IsProgram())
{
updatePatchNca = nca;
}
else if (nca.IsControl())
{
updateControlNca = nca;
}
}
}
}
}
if (updatePatchNca != null)
{
patchNca = updatePatchNca;
}
if (updateControlNca != null)
{
controlNca = updateControlNca;
}
// Load contained DownloadableContents.
// TODO: If we want to support multi-processes in future, we shouldn't clear AddOnContent data here.
device.Configuration.ContentManager.ClearAocData();
device.Configuration.ContentManager.AddAocData(partitionFileSystem, path, mainNca.Header.TitleId, device.Configuration.FsIntegrityCheckLevel);
// Load DownloadableContents.
string addOnContentMetadataPath = System.IO.Path.Combine(AppDataManager.GamesDirPath, mainNca.Header.TitleId.ToString("x16"), "dlc.json");
if (File.Exists(addOnContentMetadataPath))
{
List<DownloadableContentContainer> dlcContainerList = JsonHelper.DeserializeFromFile(addOnContentMetadataPath, ContentSerializerContext.ListDownloadableContentContainer);
foreach (DownloadableContentContainer downloadableContentContainer in dlcContainerList)
{
foreach (DownloadableContentNca downloadableContentNca in downloadableContentContainer.DownloadableContentNcaList)
{
if (File.Exists(downloadableContentContainer.ContainerPath) && downloadableContentNca.Enabled)
{
device.Configuration.ContentManager.AddAocItem(downloadableContentNca.TitleId, downloadableContentContainer.ContainerPath, downloadableContentNca.FullPath);
}
else
{
Logger.Warning?.Print(LogClass.Application, $"Cannot find AddOnContent file {downloadableContentContainer.ContainerPath}. It may have been moved or renamed.");
}
}
}
}
return (true, mainNca.Load(device, patchNca, controlNca));
}
errorMessage = "Unable to load: Could not find Main NCA";
return (false, ProcessResult.Failed);
}
public static Nca GetNca(this IFileSystem fileSystem, Switch device, string path)
{
using var ncaFile = new UniqueRef<IFile>();
fileSystem.OpenFile(ref ncaFile.Ref, path.ToU8Span(), OpenMode.Read).ThrowIfFailure();
return new Nca(device.Configuration.VirtualFileSystem.KeySet, ncaFile.Release().AsStorage());
}
}
}

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namespace Ryujinx.HLE.Loaders.Processes
{
static class ProcessConst
{
// Binaries from exefs are loaded into mem in this order. Do not change.
public static readonly string[] ExeFsPrefixes =
{
"rtld",
"main",
"subsdk0",
"subsdk1",
"subsdk2",
"subsdk3",
"subsdk4",
"subsdk5",
"subsdk6",
"subsdk7",
"subsdk8",
"subsdk9",
"sdk"
};
public static readonly string MainNpdmPath = "/main.npdm";
public const int NroAsetMagic = ('A' << 0) | ('S' << 8) | ('E' << 16) | ('T' << 24);
public const bool AslrEnabled = true;
public const int NsoArgsHeaderSize = 8;
public const int NsoArgsDataSize = 0x9000;
public const int NsoArgsTotalSize = NsoArgsHeaderSize + NsoArgsDataSize;
}
}

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using LibHac.Common;
using LibHac.Fs;
using LibHac.Fs.Fsa;
using LibHac.FsSystem;
using LibHac.Ns;
using LibHac.Tools.Fs;
using LibHac.Tools.FsSystem;
using LibHac.Tools.FsSystem.NcaUtils;
using Ryujinx.Common.Logging;
using Ryujinx.HLE.Loaders.Executables;
using Ryujinx.HLE.Loaders.Processes.Extensions;
using System.Collections.Concurrent;
using System.IO;
using System.Linq;
using Path = System.IO.Path;
namespace Ryujinx.HLE.Loaders.Processes
{
public class ProcessLoader
{
private readonly Switch _device;
private readonly ConcurrentDictionary<ulong, ProcessResult> _processesByPid;
private ulong _latestPid;
public ProcessResult ActiveApplication => _processesByPid[_latestPid];
public ProcessLoader(Switch device)
{
_device = device;
_processesByPid = new ConcurrentDictionary<ulong, ProcessResult>();
}
public bool LoadXci(string path)
{
FileStream stream = new(path, FileMode.Open, FileAccess.Read);
Xci xci = new(_device.Configuration.VirtualFileSystem.KeySet, stream.AsStorage());
if (!xci.HasPartition(XciPartitionType.Secure))
{
Logger.Error?.Print(LogClass.Loader, "Unable to load XCI: Could not find XCI Secure partition");
return false;
}
(bool success, ProcessResult processResult) = xci.OpenPartition(XciPartitionType.Secure).TryLoad(_device, path, out string errorMessage);
if (!success)
{
Logger.Error?.Print(LogClass.Loader, errorMessage, nameof(PartitionFileSystemExtensions.TryLoad));
return false;
}
if (processResult.ProcessId != 0 && _processesByPid.TryAdd(processResult.ProcessId, processResult))
{
if (processResult.Start(_device))
{
_latestPid = processResult.ProcessId;
return true;
}
}
return false;
}
public bool LoadNsp(string path)
{
FileStream file = new(path, FileMode.Open, FileAccess.Read);
PartitionFileSystem partitionFileSystem = new(file.AsStorage());
(bool success, ProcessResult processResult) = partitionFileSystem.TryLoad(_device, path, out string errorMessage);
if (processResult.ProcessId == 0)
{
// This is not a normal NSP, it's actually a ExeFS as a NSP
processResult = partitionFileSystem.Load(_device, new BlitStruct<ApplicationControlProperty>(1), partitionFileSystem.GetNpdm(), true);
}
if (processResult.ProcessId != 0 && _processesByPid.TryAdd(processResult.ProcessId, processResult))
{
if (processResult.Start(_device))
{
_latestPid = processResult.ProcessId;
return true;
}
}
if (!success)
{
Logger.Error?.Print(LogClass.Loader, errorMessage, nameof(PartitionFileSystemExtensions.TryLoad));
}
return false;
}
public bool LoadNca(string path)
{
FileStream file = new(path, FileMode.Open, FileAccess.Read);
Nca nca = new(_device.Configuration.VirtualFileSystem.KeySet, file.AsStorage(false));
ProcessResult processResult = nca.Load(_device, null, null);
if (processResult.ProcessId != 0 && _processesByPid.TryAdd(processResult.ProcessId, processResult))
{
if (processResult.Start(_device))
{
// NOTE: Check if process is SystemApplicationId or ApplicationId
if (processResult.ProgramId > 0x01000000000007FF)
{
_latestPid = processResult.ProcessId;
}
return true;
}
}
return false;
}
public bool LoadUnpackedNca(string exeFsDirPath, string romFsPath = null)
{
ProcessResult processResult = new LocalFileSystem(exeFsDirPath).Load(_device, romFsPath);
if (processResult.ProcessId != 0 && _processesByPid.TryAdd(processResult.ProcessId, processResult))
{
if (processResult.Start(_device))
{
_latestPid = processResult.ProcessId;
return true;
}
}
return false;
}
public bool LoadNxo(string path)
{
var nacpData = new BlitStruct<ApplicationControlProperty>(1);
IFileSystem dummyExeFs = null;
Stream romfsStream = null;
string programName = "";
ulong programId = 0000000000000000;
// Load executable.
IExecutable executable;
if (Path.GetExtension(path).ToLower() == ".nro")
{
FileStream input = new(path, FileMode.Open);
NroExecutable nro = new(input.AsStorage());
executable = nro;
// Open RomFS if exists.
IStorage romFsStorage = nro.OpenNroAssetSection(LibHac.Tools.Ro.NroAssetType.RomFs, false);
romFsStorage.GetSize(out long romFsSize).ThrowIfFailure();
if (romFsSize != 0)
{
romfsStream = romFsStorage.AsStream();
}
// Load Nacp if exists.
IStorage nacpStorage = nro.OpenNroAssetSection(LibHac.Tools.Ro.NroAssetType.Nacp, false);
nacpStorage.GetSize(out long nacpSize).ThrowIfFailure();
if (nacpSize != 0)
{
nacpStorage.Read(0, nacpData.ByteSpan);
programName = nacpData.Value.Title[(int)_device.System.State.DesiredTitleLanguage].NameString.ToString();
if (string.IsNullOrWhiteSpace(programName))
{
programName = nacpData.Value.Title.ItemsRo.ToArray().FirstOrDefault(x => x.Name[0] != 0).NameString.ToString();
}
if (nacpData.Value.PresenceGroupId != 0)
{
programId = nacpData.Value.PresenceGroupId;
}
else if (nacpData.Value.SaveDataOwnerId != 0)
{
programId = nacpData.Value.SaveDataOwnerId;
}
else if (nacpData.Value.AddOnContentBaseId != 0)
{
programId = nacpData.Value.AddOnContentBaseId - 0x1000;
}
}
// TODO: Add icon maybe ?
}
else
{
programName = System.IO.Path.GetFileNameWithoutExtension(path);
executable = new NsoExecutable(new LocalStorage(path, FileAccess.Read), programName);
}
// Explicitly null TitleId to disable the shader cache.
Graphics.Gpu.GraphicsConfig.TitleId = null;
_device.Gpu.HostInitalized.Set();
ProcessResult processResult = ProcessLoaderHelper.LoadNsos(_device,
_device.System.KernelContext,
dummyExeFs.GetNpdm(),
nacpData.Value,
diskCacheEnabled: false,
allowCodeMemoryForJit: true,
programName,
programId,
null,
executable);
// Make sure the process id is valid.
if (processResult.ProcessId != 0)
{
// Load RomFS.
if (romfsStream != null)
{
_device.Configuration.VirtualFileSystem.SetRomFs(processResult.ProcessId, romfsStream);
}
// Start process.
if (_processesByPid.TryAdd(processResult.ProcessId, processResult))
{
if (processResult.Start(_device))
{
_latestPid = processResult.ProcessId;
return true;
}
}
}
return false;
}
}
}

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using LibHac.Account;
using LibHac.Common;
using LibHac.Fs;
using LibHac.Fs.Shim;
using LibHac.FsSystem;
using LibHac.Loader;
using LibHac.Ncm;
using LibHac.Ns;
using LibHac.Tools.Fs;
using LibHac.Tools.FsSystem;
using LibHac.Tools.FsSystem.NcaUtils;
using Ryujinx.Common;
using Ryujinx.Common.Logging;
using Ryujinx.HLE.HOS;
using Ryujinx.HLE.HOS.Kernel;
using Ryujinx.HLE.HOS.Kernel.Common;
using Ryujinx.HLE.HOS.Kernel.Memory;
using Ryujinx.HLE.HOS.Kernel.Process;
using Ryujinx.HLE.Loaders.Executables;
using Ryujinx.HLE.Loaders.Processes.Extensions;
using Ryujinx.Horizon.Common;
using System;
using System.Linq;
using System.Runtime.InteropServices;
using ApplicationId = LibHac.Ncm.ApplicationId;
namespace Ryujinx.HLE.Loaders.Processes
{
static class ProcessLoaderHelper
{
public static LibHac.Result RegisterProgramMapInfo(Switch device, PartitionFileSystem partitionFileSystem)
{
ulong applicationId = 0;
int programCount = 0;
Span<bool> hasIndex = stackalloc bool[0x10];
foreach (DirectoryEntryEx fileEntry in partitionFileSystem.EnumerateEntries("/", "*.nca"))
{
Nca nca = partitionFileSystem.GetNca(device, fileEntry.FullPath);
if (!nca.IsProgram() && nca.IsPatch())
{
continue;
}
ulong currentProgramId = nca.Header.TitleId;
ulong currentMainProgramId = currentProgramId & ~0xFFFul;
if (applicationId == 0 && currentMainProgramId != 0)
{
applicationId = currentMainProgramId;
}
if (applicationId != currentMainProgramId)
{
// Currently there aren't any known multi-application game cards containing multi-program applications,
// so because multi-application game cards are the only way we could run into multiple applications
// we'll just return that there's a single program.
programCount = 1;
break;
}
hasIndex[(int)(currentProgramId & 0xF)] = true;
}
if (programCount == 0)
{
for (int i = 0; i < hasIndex.Length && hasIndex[i]; i++)
{
programCount++;
}
}
if (programCount <= 0)
{
return LibHac.Result.Success;
}
Span<ProgramIndexMapInfo> mapInfo = stackalloc ProgramIndexMapInfo[0x10];
for (int i = 0; i < programCount; i++)
{
mapInfo[i].ProgramId = new ProgramId(applicationId + (uint)i);
mapInfo[i].MainProgramId = new ApplicationId(applicationId);
mapInfo[i].ProgramIndex = (byte)i;
}
return device.System.LibHacHorizonManager.NsClient.Fs.RegisterProgramIndexMapInfo(mapInfo[..programCount]);
}
public static LibHac.Result EnsureSaveData(Switch device, ApplicationId applicationId, BlitStruct<ApplicationControlProperty> applicationControlProperty)
{
Logger.Info?.Print(LogClass.Application, "Ensuring required savedata exists.");
ref ApplicationControlProperty control = ref applicationControlProperty.Value;
if (LibHac.Common.Utilities.IsZeros(applicationControlProperty.ByteSpan))
{
// If the current application doesn't have a loaded control property, create a dummy one and set the savedata sizes so a user savedata will be created.
control = ref new BlitStruct<ApplicationControlProperty>(1).Value;
// The set sizes don't actually matter as long as they're non-zero because we use directory savedata.
control.UserAccountSaveDataSize = 0x4000;
control.UserAccountSaveDataJournalSize = 0x4000;
control.SaveDataOwnerId = applicationId.Value;
Logger.Warning?.Print(LogClass.Application, "No control file was found for this game. Using a dummy one instead. This may cause inaccuracies in some games.");
}
LibHac.Result resultCode = device.System.LibHacHorizonManager.RyujinxClient.Fs.EnsureApplicationCacheStorage(out _, out _, applicationId, in control);
if (resultCode.IsFailure())
{
Logger.Error?.Print(LogClass.Application, $"Error calling EnsureApplicationCacheStorage. Result code {resultCode.ToStringWithName()}");
return resultCode;
}
Uid userId = device.System.AccountManager.LastOpenedUser.UserId.ToLibHacUid();
resultCode = device.System.LibHacHorizonManager.RyujinxClient.Fs.EnsureApplicationSaveData(out _, applicationId, in control, in userId);
if (resultCode.IsFailure())
{
Logger.Error?.Print(LogClass.Application, $"Error calling EnsureApplicationSaveData. Result code {resultCode.ToStringWithName()}");
}
return resultCode;
}
public static bool LoadKip(KernelContext context, KipExecutable kip)
{
uint endOffset = kip.DataOffset + (uint)kip.Data.Length;
if (kip.BssSize != 0)
{
endOffset = kip.BssOffset + kip.BssSize;
}
uint codeSize = BitUtils.AlignUp<uint>(kip.TextOffset + endOffset, KPageTableBase.PageSize);
int codePagesCount = (int)(codeSize / KPageTableBase.PageSize);
ulong codeBaseAddress = kip.Is64BitAddressSpace ? 0x8000000UL : 0x200000UL;
ulong codeAddress = codeBaseAddress + kip.TextOffset;
ProcessCreationFlags flags = 0;
if (ProcessConst.AslrEnabled)
{
// TODO: Randomization.
flags |= ProcessCreationFlags.EnableAslr;
}
if (kip.Is64BitAddressSpace)
{
flags |= ProcessCreationFlags.AddressSpace64Bit;
}
if (kip.Is64Bit)
{
flags |= ProcessCreationFlags.Is64Bit;
}
ProcessCreationInfo creationInfo = new(kip.Name, kip.Version, kip.ProgramId, codeAddress, codePagesCount, flags, 0, 0);
MemoryRegion memoryRegion = kip.UsesSecureMemory ? MemoryRegion.Service : MemoryRegion.Application;
KMemoryRegionManager region = context.MemoryManager.MemoryRegions[(int)memoryRegion];
Result result = region.AllocatePages(out KPageList pageList, (ulong)codePagesCount);
if (result != Result.Success)
{
Logger.Error?.Print(LogClass.Loader, $"Process initialization returned error \"{result}\".");
return false;
}
KProcess process = new(context);
var processContextFactory = new ArmProcessContextFactory(
context.Device.System.TickSource,
context.Device.Gpu,
string.Empty,
string.Empty,
false,
codeAddress,
codeSize);
result = process.InitializeKip(creationInfo, kip.Capabilities, pageList, context.ResourceLimit, memoryRegion, processContextFactory);
if (result != Result.Success)
{
Logger.Error?.Print(LogClass.Loader, $"Process initialization returned error \"{result}\".");
return false;
}
result = LoadIntoMemory(process, kip, codeBaseAddress);
if (result != Result.Success)
{
Logger.Error?.Print(LogClass.Loader, $"Process initialization returned error \"{result}\".");
return false;
}
process.DefaultCpuCore = kip.IdealCoreId;
result = process.Start(kip.Priority, (ulong)kip.StackSize);
if (result != Result.Success)
{
Logger.Error?.Print(LogClass.Loader, $"Process start returned error \"{result}\".");
return false;
}
context.Processes.TryAdd(process.Pid, process);
return true;
}
public static ProcessResult LoadNsos(
Switch device,
KernelContext context,
MetaLoader metaLoader,
ApplicationControlProperty applicationControlProperties,
bool diskCacheEnabled,
bool allowCodeMemoryForJit,
string name,
ulong programId,
byte[] arguments = null,
params IExecutable[] executables)
{
context.Device.System.ServiceTable.WaitServicesReady();
LibHac.Result resultCode = metaLoader.GetNpdm(out var npdm);
if (resultCode.IsFailure())
{
Logger.Error?.Print(LogClass.Loader, $"Process initialization failed getting npdm. Result Code {resultCode.ToStringWithName()}");
return ProcessResult.Failed;
}
ref readonly var meta = ref npdm.Meta;
ulong argsStart = 0;
uint argsSize = 0;
ulong codeStart = (meta.Flags & 1) != 0 ? 0x8000000UL : 0x200000UL;
uint codeSize = 0;
var buildIds = executables.Select(e => (e switch
{
NsoExecutable nso => Convert.ToHexString(nso.BuildId.ItemsRo.ToArray()),
NroExecutable nro => Convert.ToHexString(nro.Header.BuildId),
_ => ""
}).ToUpper());
ulong[] nsoBase = new ulong[executables.Length];
for (int index = 0; index < executables.Length; index++)
{
IExecutable nso = executables[index];
uint textEnd = nso.TextOffset + (uint)nso.Text.Length;
uint roEnd = nso.RoOffset + (uint)nso.Ro.Length;
uint dataEnd = nso.DataOffset + (uint)nso.Data.Length + nso.BssSize;
uint nsoSize = textEnd;
if (nsoSize < roEnd)
{
nsoSize = roEnd;
}
if (nsoSize < dataEnd)
{
nsoSize = dataEnd;
}
nsoSize = BitUtils.AlignUp<uint>(nsoSize, KPageTableBase.PageSize);
nsoBase[index] = codeStart + codeSize;
codeSize += nsoSize;
if (arguments != null && argsSize == 0)
{
argsStart = codeSize;
argsSize = (uint)BitUtils.AlignDown(arguments.Length * 2 + ProcessConst.NsoArgsTotalSize - 1, KPageTableBase.PageSize);
codeSize += argsSize;
}
}
int codePagesCount = (int)(codeSize / KPageTableBase.PageSize);
int personalMmHeapPagesCount = (int)(meta.SystemResourceSize / KPageTableBase.PageSize);
ProcessCreationInfo creationInfo = new(
name,
(int)meta.Version,
programId,
codeStart,
codePagesCount,
(ProcessCreationFlags)meta.Flags | ProcessCreationFlags.IsApplication,
0,
personalMmHeapPagesCount);
context.Device.System.LibHacHorizonManager.InitializeApplicationClient(new ProgramId(programId), in npdm);
Result result;
KResourceLimit resourceLimit = new(context);
long applicationRgSize = (long)context.MemoryManager.MemoryRegions[(int)MemoryRegion.Application].Size;
result = resourceLimit.SetLimitValue(LimitableResource.Memory, applicationRgSize);
if (result.IsSuccess)
{
result = resourceLimit.SetLimitValue(LimitableResource.Thread, 608);
}
if (result.IsSuccess)
{
result = resourceLimit.SetLimitValue(LimitableResource.Event, 700);
}
if (result.IsSuccess)
{
result = resourceLimit.SetLimitValue(LimitableResource.TransferMemory, 128);
}
if (result.IsSuccess)
{
result = resourceLimit.SetLimitValue(LimitableResource.Session, 894);
}
if (result != Result.Success)
{
Logger.Error?.Print(LogClass.Loader, $"Process initialization failed setting resource limit values.");
return ProcessResult.Failed;
}
KProcess process = new(context, allowCodeMemoryForJit);
// NOTE: This field doesn't exists one firmware pre-5.0.0, a workaround have to be found.
MemoryRegion memoryRegion = (MemoryRegion)(npdm.Acid.Flags >> 2 & 0xf);
if (memoryRegion > MemoryRegion.NvServices)
{
Logger.Error?.Print(LogClass.Loader, $"Process initialization failed due to invalid ACID flags.");
return ProcessResult.Failed;
}
var processContextFactory = new ArmProcessContextFactory(
context.Device.System.TickSource,
context.Device.Gpu,
$"{programId:x16}",
applicationControlProperties.DisplayVersionString.ToString(),
diskCacheEnabled,
codeStart,
codeSize);
result = process.Initialize(
creationInfo,
MemoryMarshal.Cast<byte, uint>(npdm.KernelCapabilityData),
resourceLimit,
memoryRegion,
processContextFactory);
if (result != Result.Success)
{
Logger.Error?.Print(LogClass.Loader, $"Process initialization returned error \"{result}\".");
return ProcessResult.Failed;
}
for (int index = 0; index < executables.Length; index++)
{
Logger.Info?.Print(LogClass.Loader, $"Loading image {index} at 0x{nsoBase[index]:x16}...");
result = LoadIntoMemory(process, executables[index], nsoBase[index]);
if (result != Result.Success)
{
Logger.Error?.Print(LogClass.Loader, $"Process initialization returned error \"{result}\".");
return ProcessResult.Failed;
}
}
process.DefaultCpuCore = meta.DefaultCpuId;
context.Processes.TryAdd(process.Pid, process);
// Keep the build ids because the tamper machine uses them to know which process to associate a
// tamper to and also keep the starting address of each executable inside a process because some
// memory modifications are relative to this address.
ProcessTamperInfo tamperInfo = new(
process,
buildIds,
nsoBase,
process.MemoryManager.HeapRegionStart,
process.MemoryManager.AliasRegionStart,
process.MemoryManager.CodeRegionStart);
// Once everything is loaded, we can load cheats.
device.Configuration.VirtualFileSystem.ModLoader.LoadCheats(programId, tamperInfo, device.TamperMachine);
return new ProcessResult(
metaLoader,
applicationControlProperties,
diskCacheEnabled,
allowCodeMemoryForJit,
processContextFactory.DiskCacheLoadState,
process.Pid,
meta.MainThreadPriority,
meta.MainThreadStackSize,
device.System.State.DesiredTitleLanguage);
}
public static Result LoadIntoMemory(KProcess process, IExecutable image, ulong baseAddress)
{
ulong textStart = baseAddress + image.TextOffset;
ulong roStart = baseAddress + image.RoOffset;
ulong dataStart = baseAddress + image.DataOffset;
ulong bssStart = baseAddress + image.BssOffset;
ulong end = dataStart + (ulong)image.Data.Length;
if (image.BssSize != 0)
{
end = bssStart + image.BssSize;
}
process.CpuMemory.Write(textStart, image.Text);
process.CpuMemory.Write(roStart, image.Ro);
process.CpuMemory.Write(dataStart, image.Data);
process.CpuMemory.Fill(bssStart, image.BssSize, 0);
Result SetProcessMemoryPermission(ulong address, ulong size, KMemoryPermission permission)
{
if (size == 0)
{
return Result.Success;
}
size = BitUtils.AlignUp<ulong>(size, KPageTableBase.PageSize);
return process.MemoryManager.SetProcessMemoryPermission(address, size, permission);
}
Result result = SetProcessMemoryPermission(textStart, (ulong)image.Text.Length, KMemoryPermission.ReadAndExecute);
if (result != Result.Success)
{
return result;
}
result = SetProcessMemoryPermission(roStart, (ulong)image.Ro.Length, KMemoryPermission.Read);
if (result != Result.Success)
{
return result;
}
return SetProcessMemoryPermission(dataStart, end - dataStart, KMemoryPermission.ReadAndWrite);
}
}
}

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using LibHac.Loader;
using LibHac.Ns;
using Ryujinx.Common.Logging;
using Ryujinx.Cpu;
using Ryujinx.HLE.HOS.SystemState;
using Ryujinx.HLE.Loaders.Processes.Extensions;
using Ryujinx.Horizon.Common;
using System.Linq;
namespace Ryujinx.HLE.Loaders.Processes
{
public struct ProcessResult
{
public static ProcessResult Failed => new(null, new ApplicationControlProperty(), false, false, null, 0, 0, 0, TitleLanguage.AmericanEnglish);
private readonly byte _mainThreadPriority;
private readonly uint _mainThreadStackSize;
public readonly IDiskCacheLoadState DiskCacheLoadState;
public readonly MetaLoader MetaLoader;
public readonly ApplicationControlProperty ApplicationControlProperties;
public readonly ulong ProcessId;
public readonly string Name;
public readonly string DisplayVersion;
public readonly ulong ProgramId;
public readonly string ProgramIdText;
public readonly bool Is64Bit;
public readonly bool DiskCacheEnabled;
public readonly bool AllowCodeMemoryForJit;
public ProcessResult(
MetaLoader metaLoader,
ApplicationControlProperty applicationControlProperties,
bool diskCacheEnabled,
bool allowCodeMemoryForJit,
IDiskCacheLoadState diskCacheLoadState,
ulong pid,
byte mainThreadPriority,
uint mainThreadStackSize,
TitleLanguage titleLanguage)
{
_mainThreadPriority = mainThreadPriority;
_mainThreadStackSize = mainThreadStackSize;
DiskCacheLoadState = diskCacheLoadState;
ProcessId = pid;
MetaLoader = metaLoader;
ApplicationControlProperties = applicationControlProperties;
if (metaLoader is not null)
{
ulong programId = metaLoader.GetProgramId();
Name = ApplicationControlProperties.Title[(int)titleLanguage].NameString.ToString();
if (string.IsNullOrWhiteSpace(Name))
{
Name = ApplicationControlProperties.Title.ItemsRo.ToArray().FirstOrDefault(x => x.Name[0] != 0).NameString.ToString();
}
DisplayVersion = ApplicationControlProperties.DisplayVersionString.ToString();
ProgramId = programId;
ProgramIdText = $"{programId:x16}";
Is64Bit = metaLoader.IsProgram64Bit();
}
DiskCacheEnabled = diskCacheEnabled;
AllowCodeMemoryForJit = allowCodeMemoryForJit;
}
public bool Start(Switch device)
{
device.Configuration.ContentManager.LoadEntries(device);
Result result = device.System.KernelContext.Processes[ProcessId].Start(_mainThreadPriority, _mainThreadStackSize);
if (result != Result.Success)
{
Logger.Error?.Print(LogClass.Loader, $"Process start returned error \"{result}\".");
return false;
}
// TODO: LibHac npdm currently doesn't support version field.
string version = ProgramId > 0x0100000000007FFF ? DisplayVersion : device.System.ContentManager.GetCurrentFirmwareVersion()?.VersionString ?? "?";
Logger.Info?.Print(LogClass.Loader, $"Application Loaded: {Name} v{version} [{ProgramIdText}] [{(Is64Bit ? "64-bit" : "32-bit")}]");
return true;
}
}
}