-using LibHac;

-using LibHac.Account;

-using LibHac.Common;

-using LibHac.Fs;

-using LibHac.Fs.Fsa;

-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.Configuration;

-using Ryujinx.Common.Logging;

-using Ryujinx.Cpu;

-using Ryujinx.HLE.FileSystem;

-using Ryujinx.HLE.Loaders.Executables;

-using Ryujinx.Memory;

-using System;

-using System.Collections.Generic;

-using System.Globalization;

-using System.IO;

-using System.Linq;

-using System.Reflection;

-using System.Text;

-using static Ryujinx.HLE.HOS.ModLoader;

-using ApplicationId = LibHac.Ncm.ApplicationId;

-using Path = System.IO.Path;

-

-namespace Ryujinx.HLE.HOS

-{

- using JsonHelper = Common.Utilities.JsonHelper;

-

- public class ApplicationLoader

- {

- // Binaries from exefs are loaded into mem in this order. Do not change.

- internal static readonly string[] ExeFsPrefixes =

- {

- "rtld",

- "main",

- "subsdk0",

- "subsdk1",

- "subsdk2",

- "subsdk3",

- "subsdk4",

- "subsdk5",

- "subsdk6",

- "subsdk7",

- "subsdk8",

- "subsdk9",

- "sdk"

- };

-

- private readonly Switch _device;

- private string _titleName;

- private string _displayVersion;

- private BlitStruct<ApplicationControlProperty> _controlData;

-

- public BlitStruct<ApplicationControlProperty> ControlData => _controlData;

- public string TitleName => _titleName;

- public string DisplayVersion => _displayVersion;

-

- public ulong TitleId { get; private set; }

- public bool TitleIs64Bit { get; private set; }

-

- public string TitleIdText => TitleId.ToString("x16");

-

- public IDiskCacheLoadState DiskCacheLoadState { get; private set; }

-

- public ApplicationLoader(Switch device)

- {

- _device = device;

- _controlData = new BlitStruct<ApplicationControlProperty>(1);

- }

-

- public void LoadCart(string exeFsDir, string romFsFile = null)

- {

- LocalFileSystem codeFs = new LocalFileSystem(exeFsDir);

-

- MetaLoader metaData = ReadNpdm(codeFs);

-

- _device.Configuration.VirtualFileSystem.ModLoader.CollectMods(

- new[] { TitleId },

- _device.Configuration.VirtualFileSystem.ModLoader.GetModsBasePath(),

- _device.Configuration.VirtualFileSystem.ModLoader.GetSdModsBasePath());

-

- if (TitleId != 0)

- {

- EnsureSaveData(new ApplicationId(TitleId));

- }

-

- ulong pid = LoadExeFs(codeFs, string.Empty, metaData);

-

- if (romFsFile != null)

- {

- _device.Configuration.VirtualFileSystem.LoadRomFs(pid, romFsFile);

- }

- }

-

- public static (Nca main, Nca patch, Nca control) GetGameData(VirtualFileSystem fileSystem, PartitionFileSystem pfs, int programIndex)

- {

- Nca mainNca = null;

- Nca patchNca = null;

- Nca controlNca = null;

-

- fileSystem.ImportTickets(pfs);

-

- foreach (DirectoryEntryEx fileEntry in pfs.EnumerateEntries("/", "*.nca"))

- {

- using var ncaFile = new UniqueRef<IFile>();

-

- pfs.OpenFile(ref ncaFile.Ref, fileEntry.FullPath.ToU8Span(), OpenMode.Read).ThrowIfFailure();

-

- Nca nca = new Nca(fileSystem.KeySet, ncaFile.Release().AsStorage());

-

- int ncaProgramIndex = (int)(nca.Header.TitleId & 0xF);

-

- if (ncaProgramIndex != programIndex)

- {

- continue;

- }

-

- if (nca.Header.ContentType == NcaContentType.Program)

- {

- int dataIndex = Nca.GetSectionIndexFromType(NcaSectionType.Data, NcaContentType.Program);

-

- if (nca.SectionExists(NcaSectionType.Data) && nca.Header.GetFsHeader(dataIndex).IsPatchSection())

- {

- patchNca = nca;

- }

- else

- {

- mainNca = nca;

- }

- }

- else if (nca.Header.ContentType == NcaContentType.Control)

- {

- controlNca = nca;

- }

- }

-

- return (mainNca, patchNca, controlNca);

- }

-

- public static (Nca patch, Nca control) GetGameUpdateDataFromPartition(VirtualFileSystem fileSystem, PartitionFileSystem pfs, string titleId, int programIndex)

- {

- Nca patchNca = null;

- Nca controlNca = null;

-

- fileSystem.ImportTickets(pfs);

-

- foreach (DirectoryEntryEx fileEntry in pfs.EnumerateEntries("/", "*.nca"))

- {

- using var ncaFile = new UniqueRef<IFile>();

-

- pfs.OpenFile(ref ncaFile.Ref, fileEntry.FullPath.ToU8Span(), OpenMode.Read).ThrowIfFailure();

-

- Nca nca = new Nca(fileSystem.KeySet, ncaFile.Release().AsStorage());

-

- int ncaProgramIndex = (int)(nca.Header.TitleId & 0xF);

-

- if (ncaProgramIndex != programIndex)

- {

- continue;

- }

-

- if ($"{nca.Header.TitleId.ToString("x16")[..^3]}000" != titleId)

- {

- break;

- }

-

- if (nca.Header.ContentType == NcaContentType.Program)

- {

- patchNca = nca;

- }

- else if (nca.Header.ContentType == NcaContentType.Control)

- {

- controlNca = nca;

- }

- }

-

- return (patchNca, controlNca);

- }

-

- public static (Nca patch, Nca control) GetGameUpdateData(VirtualFileSystem fileSystem, string titleId, int programIndex, out string updatePath)

- {

- updatePath = null;

-

- if (ulong.TryParse(titleId, NumberStyles.HexNumber, CultureInfo.InvariantCulture, out ulong titleIdBase))

- {

- // Clear the program index part.

- titleIdBase &= 0xFFFFFFFFFFFFFFF0;

-

- // Load update informations if existing.

- string titleUpdateMetadataPath = Path.Combine(AppDataManager.GamesDirPath, titleIdBase.ToString("x16"), "updates.json");

-

- if (File.Exists(titleUpdateMetadataPath))

- {

- updatePath = JsonHelper.DeserializeFromFile<TitleUpdateMetadata>(titleUpdateMetadataPath).Selected;

-

- if (File.Exists(updatePath))

- {

- FileStream file = new FileStream(updatePath, FileMode.Open, FileAccess.Read);

- PartitionFileSystem nsp = new PartitionFileSystem(file.AsStorage());

-

- return GetGameUpdateDataFromPartition(fileSystem, nsp, titleIdBase.ToString("x16"), programIndex);

- }

- }

- }

-

- return (null, null);

- }

-

- public void LoadXci(string xciFile)

- {

- FileStream file = new FileStream(xciFile, FileMode.Open, FileAccess.Read);

- Xci xci = new Xci(_device.Configuration.VirtualFileSystem.KeySet, file.AsStorage());

-

- if (!xci.HasPartition(XciPartitionType.Secure))

- {

- Logger.Error?.Print(LogClass.Loader, "Unable to load XCI: Could not find XCI secure partition");

-

- return;

- }

-

- PartitionFileSystem securePartition = xci.OpenPartition(XciPartitionType.Secure);

-

- Nca mainNca;

- Nca patchNca;

- Nca controlNca;

-

- try

- {

- (mainNca, patchNca, controlNca) = GetGameData(_device.Configuration.VirtualFileSystem, securePartition, _device.Configuration.UserChannelPersistence.Index);

-

- RegisterProgramMapInfo(securePartition).ThrowIfFailure();

- }

- catch (Exception e)

- {

- Logger.Error?.Print(LogClass.Loader, $"Unable to load XCI: {e.Message}");

-

- return;

- }

-

- if (mainNca == null)

- {

- Logger.Error?.Print(LogClass.Loader, "Unable to load XCI: Could not find Main NCA");

-

- return;

- }

-

- _device.Configuration.ContentManager.LoadEntries(_device);

- _device.Configuration.ContentManager.ClearAocData();

- _device.Configuration.ContentManager.AddAocData(securePartition, xciFile, mainNca.Header.TitleId, _device.Configuration.FsIntegrityCheckLevel);

-

- LoadNca(mainNca, patchNca, controlNca);

- }

-

- public void LoadNsp(string nspFile)

- {

- FileStream file = new FileStream(nspFile, FileMode.Open, FileAccess.Read);

- PartitionFileSystem nsp = new PartitionFileSystem(file.AsStorage());

-

- Nca mainNca;

- Nca patchNca;

- Nca controlNca;

-

- try

- {

- (mainNca, patchNca, controlNca) = GetGameData(_device.Configuration.VirtualFileSystem, nsp, _device.Configuration.UserChannelPersistence.Index);

-

- RegisterProgramMapInfo(nsp).ThrowIfFailure();

- }

- catch (Exception e)

- {

- Logger.Error?.Print(LogClass.Loader, $"Unable to load NSP: {e.Message}");

-

- return;

- }

-

- if (mainNca != null)

- {

- _device.Configuration.ContentManager.ClearAocData();

- _device.Configuration.ContentManager.AddAocData(nsp, nspFile, mainNca.Header.TitleId, _device.Configuration.FsIntegrityCheckLevel);

-

- LoadNca(mainNca, patchNca, controlNca);

-

- return;

- }

-

- // This is not a normal NSP, it's actually a ExeFS as a NSP

- LoadExeFs(nsp, null, isHomebrew: true);

- }

-

- public void LoadNca(string ncaFile)

- {

- FileStream file = new FileStream(ncaFile, FileMode.Open, FileAccess.Read);

- Nca nca = new Nca(_device.Configuration.VirtualFileSystem.KeySet, file.AsStorage(false));

-

- LoadNca(nca, null, null);

- }

-

- public void LoadServiceNca(string ncaFile)

- {

- FileStream file = new FileStream(ncaFile, FileMode.Open, FileAccess.Read);

- Nca mainNca = new Nca(_device.Configuration.VirtualFileSystem.KeySet, file.AsStorage(false));

-

- if (mainNca.Header.ContentType != NcaContentType.Program)

- {

- Logger.Error?.Print(LogClass.Loader, "Selected NCA is not a \"Program\" NCA");

-

- return;

- }

-

- IFileSystem codeFs = null;

-

- if (mainNca.CanOpenSection(NcaSectionType.Code))

- {

- codeFs = mainNca.OpenFileSystem(NcaSectionType.Code, _device.System.FsIntegrityCheckLevel);

- }

-

- if (codeFs == null)

- {

- Logger.Error?.Print(LogClass.Loader, "No ExeFS found in NCA");

-

- return;

- }

-

- using var npdmFile = new UniqueRef<IFile>();

-

- Result result = codeFs.OpenFile(ref npdmFile.Ref, "/main.npdm".ToU8Span(), OpenMode.Read);

-

- MetaLoader metaData;

-

- npdmFile.Get.GetSize(out long fileSize).ThrowIfFailure();

-

- var npdmBuffer = new byte[fileSize];

- npdmFile.Get.Read(out _, 0, npdmBuffer).ThrowIfFailure();

-

- metaData = new MetaLoader();

- metaData.Load(npdmBuffer).ThrowIfFailure();

-

- NsoExecutable[] nsos = new NsoExecutable[ExeFsPrefixes.Length];

-

- for (int i = 0; i < nsos.Length; i++)

- {

- string name = ExeFsPrefixes[i];

-

- if (!codeFs.FileExists($"/{name}"))

- {

- continue; // File doesn't exist, skip.

- }

-

- Logger.Info?.Print(LogClass.Loader, $"Loading {name}...");

-

- using var nsoFile = new UniqueRef<IFile>();

-

- codeFs.OpenFile(ref nsoFile.Ref, $"/{name}".ToU8Span(), OpenMode.Read).ThrowIfFailure();

-

- nsos[i] = new NsoExecutable(nsoFile.Release().AsStorage(), name);

- }

-

- // Collect the nsos, ignoring ones that aren't used.

- NsoExecutable[] programs = nsos.Where(x => x != null).ToArray();

-

- string displayVersion = _device.System.ContentManager.GetCurrentFirmwareVersion().VersionString;

- bool usePtc = _device.System.EnablePtc;

-

- metaData.GetNpdm(out Npdm npdm).ThrowIfFailure();

- ProgramInfo programInfo = new ProgramInfo(in npdm, displayVersion, usePtc, allowCodeMemoryForJit: false);

- ProgramLoader.LoadNsos(_device.System.KernelContext, metaData, programInfo, executables: programs);

-

- string titleIdText = npdm.Aci.ProgramId.Value.ToString("x16");

- bool titleIs64Bit = (npdm.Meta.Flags & 1) != 0;

-

- string programName = Encoding.ASCII.GetString(npdm.Meta.ProgramName).TrimEnd('\0');

-

- Logger.Info?.Print(LogClass.Loader, $"Service Loaded: {programName} [{titleIdText}] [{(titleIs64Bit ? "64-bit" : "32-bit")}]");

- }

-

- private void LoadNca(Nca mainNca, Nca patchNca, Nca controlNca)

- {

- if (mainNca.Header.ContentType != NcaContentType.Program)

- {

- Logger.Error?.Print(LogClass.Loader, "Selected NCA is not a \"Program\" NCA");

-

- return;

- }

-

- IStorage dataStorage = null;

- IFileSystem codeFs = null;

-

- (Nca updatePatchNca, Nca updateControlNca) = GetGameUpdateData(_device.Configuration.VirtualFileSystem, mainNca.Header.TitleId.ToString("x16"), _device.Configuration.UserChannelPersistence.Index, out _);

-

- if (updatePatchNca != null)

- {

- patchNca = updatePatchNca;

- }

-

- if (updateControlNca != null)

- {

- controlNca = updateControlNca;

- }

-

- // 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 _);

-

- // Load Aoc

- string titleAocMetadataPath = Path.Combine(AppDataManager.GamesDirPath, mainNca.Header.TitleId.ToString("x16"), "dlc.json");

-

- if (File.Exists(titleAocMetadataPath))

- {

- List<DownloadableContentContainer> dlcContainerList = JsonHelper.DeserializeFromFile<List<DownloadableContentContainer>>(titleAocMetadataPath);

-

- 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.");

- }

- }

- }

- }

-

- if (patchNca == null)

- {

- if (mainNca.CanOpenSection(NcaSectionType.Data))

- {

- dataStorage = mainNca.OpenStorage(NcaSectionType.Data, _device.System.FsIntegrityCheckLevel);

- }

-

- if (mainNca.CanOpenSection(NcaSectionType.Code))

- {

- codeFs = mainNca.OpenFileSystem(NcaSectionType.Code, _device.System.FsIntegrityCheckLevel);

- }

- }

- else

- {

- if (patchNca.CanOpenSection(NcaSectionType.Data))

- {

- dataStorage = mainNca.OpenStorageWithPatch(patchNca, NcaSectionType.Data, _device.System.FsIntegrityCheckLevel);

- }

-

- if (patchNca.CanOpenSection(NcaSectionType.Code))

- {

- codeFs = mainNca.OpenFileSystemWithPatch(patchNca, NcaSectionType.Code, _device.System.FsIntegrityCheckLevel);

- }

- }

-

- if (codeFs == null)

- {

- Logger.Error?.Print(LogClass.Loader, "No ExeFS found in NCA");

-

- return;

- }

-

- MetaLoader metaData = ReadNpdm(codeFs);

-

- _device.Configuration.VirtualFileSystem.ModLoader.CollectMods(

- _device.Configuration.ContentManager.GetAocTitleIds().Prepend(TitleId),

- _device.Configuration.VirtualFileSystem.ModLoader.GetModsBasePath(),

- _device.Configuration.VirtualFileSystem.ModLoader.GetSdModsBasePath());

-

- string displayVersion = string.Empty;

-

- if (controlNca != null)

- {

- ReadControlData(_device, controlNca, ref _controlData, ref _titleName, ref displayVersion);

- }

- else

- {

- ControlData.ByteSpan.Clear();

- }

-

- // NOTE: Nintendo doesn't guarantee that the display version will be updated on sub programs when updating a multi program application.

- // BODY: As such, to avoid PTC cache confusion, we only trust the the program 0 display version when launching a sub program.

- if (updateProgram0ControlNca != null && _device.Configuration.UserChannelPersistence.Index != 0)

- {

- string dummyTitleName = "";

- BlitStruct<ApplicationControlProperty> dummyControl = new BlitStruct<ApplicationControlProperty>(1);

-

- ReadControlData(_device, updateProgram0ControlNca, ref dummyControl, ref dummyTitleName, ref displayVersion);

- }

-

- _displayVersion = displayVersion;

-

- ulong pid = LoadExeFs(codeFs, displayVersion, metaData);

-

- if (dataStorage == null)

- {

- Logger.Warning?.Print(LogClass.Loader, "No RomFS found in NCA");

- }

- else

- {

- IStorage newStorage = _device.Configuration.VirtualFileSystem.ModLoader.ApplyRomFsMods(TitleId, dataStorage);

-

- _device.Configuration.VirtualFileSystem.SetRomFs(pid, newStorage.AsStream(FileAccess.Read));

- }

-

- // Don't create save data for system programs.

- if (TitleId != 0 && (TitleId < SystemProgramId.Start.Value || TitleId > 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 stuff will get errors when trying to mount the correct save.

- EnsureSaveData(new ApplicationId(TitleId & ~0xFul));

- }

-

- Logger.Info?.Print(LogClass.Loader, $"Application Loaded: {TitleName} v{DisplayVersion} [{TitleIdText}] [{(TitleIs64Bit ? "64-bit" : "32-bit")}]");

- }

-

- // Sets TitleId, so be sure to call before using it

- private MetaLoader ReadNpdm(IFileSystem fs)

- {

- using var npdmFile = new UniqueRef<IFile>();

-

- Result result = fs.OpenFile(ref npdmFile.Ref, "/main.npdm".ToU8Span(), OpenMode.Read);

-

- MetaLoader metaData;

-

- if (ResultFs.PathNotFound.Includes(result))

- {

- Logger.Warning?.Print(LogClass.Loader, "NPDM file not found, using default values!");

-

- metaData = GetDefaultNpdm();

- }

- else

- {

- npdmFile.Get.GetSize(out long fileSize).ThrowIfFailure();

-

- var npdmBuffer = new byte[fileSize];

- npdmFile.Get.Read(out _, 0, npdmBuffer).ThrowIfFailure();

-

- metaData = new MetaLoader();

- metaData.Load(npdmBuffer).ThrowIfFailure();

- }

-

- metaData.GetNpdm(out var npdm).ThrowIfFailure();

-

- TitleId = npdm.Aci.ProgramId.Value;

- TitleIs64Bit = (npdm.Meta.Flags & 1) != 0;

- _device.System.LibHacHorizonManager.ArpIReader.ApplicationId = new LibHac.ApplicationId(TitleId);

-

- return metaData;

- }

-

- private static void ReadControlData(Switch device, Nca controlNca, ref BlitStruct<ApplicationControlProperty> controlData, ref string titleName, ref string displayVersion)

- {

- using var controlFile = new UniqueRef<IFile>();

-

- IFileSystem controlFs = controlNca.OpenFileSystem(NcaSectionType.Data, device.System.FsIntegrityCheckLevel);

- Result result = controlFs.OpenFile(ref controlFile.Ref, "/control.nacp".ToU8Span(), OpenMode.Read);

-

- if (result.IsSuccess())

- {

- result = controlFile.Get.Read(out long bytesRead, 0, controlData.ByteSpan, ReadOption.None);

-

- if (result.IsSuccess() && bytesRead == controlData.ByteSpan.Length)

- {

- titleName = controlData.Value.Title[(int)device.System.State.DesiredTitleLanguage].NameString.ToString();

-

- if (string.IsNullOrWhiteSpace(titleName))

- {

- titleName = controlData.Value.Title.ItemsRo.ToArray().FirstOrDefault(x => x.Name[0] != 0).NameString.ToString();

- }

-

- displayVersion = controlData.Value.DisplayVersionString.ToString();

- }

- }

- else

- {

- controlData.ByteSpan.Clear();

- }

- }

-

- private ulong LoadExeFs(IFileSystem codeFs, string displayVersion, MetaLoader metaData = null, bool isHomebrew = false)

- {

- if (_device.Configuration.VirtualFileSystem.ModLoader.ReplaceExefsPartition(TitleId, ref codeFs))

- {

- metaData = null; // TODO: Check if we should retain old npdm.

- }

-

- metaData ??= ReadNpdm(codeFs);

-

- NsoExecutable[] nsos = new NsoExecutable[ExeFsPrefixes.Length];

-

- for (int i = 0; i < nsos.Length; i++)

- {

- string name = ExeFsPrefixes[i];

-

- if (!codeFs.FileExists($"/{name}"))

- {

- continue; // File doesn't exist, skip.

- }

-

- Logger.Info?.Print(LogClass.Loader, $"Loading {name}...");

-

- using var nsoFile = new UniqueRef<IFile>();

-

- codeFs.OpenFile(ref nsoFile.Ref, $"/{name}".ToU8Span(), OpenMode.Read).ThrowIfFailure();

-

- nsos[i] = new NsoExecutable(nsoFile.Release().AsStorage(), name);

- }

-

- // ExeFs file replacements.

- ModLoadResult modLoadResult = _device.Configuration.VirtualFileSystem.ModLoader.ApplyExefsMods(TitleId, nsos);

-

- // Collect the nsos, ignoring ones that aren't used.

- NsoExecutable[] programs = nsos.Where(x => x != null).ToArray();

-

- // Take the npdm from mods if present.

- if (modLoadResult.Npdm != null)

- {

- metaData = modLoadResult.Npdm;

- }

-

- _device.Configuration.VirtualFileSystem.ModLoader.ApplyNsoPatches(TitleId, programs);

-

- _device.Configuration.ContentManager.LoadEntries(_device);

-

- bool usePtc = _device.System.EnablePtc;

-

- // Don't use PPTC if ExeFs files have been replaced.

- usePtc &= !modLoadResult.Modified;

-

- if (_device.System.EnablePtc && !usePtc)

- {

- Logger.Warning?.Print(LogClass.Ptc, $"Detected unsupported ExeFs modifications. PPTC disabled.");

- }

-

- Graphics.Gpu.GraphicsConfig.TitleId = TitleIdText;

- _device.Gpu.HostInitalized.Set();

-

- MemoryManagerMode memoryManagerMode = _device.Configuration.MemoryManagerMode;

-

- if (!MemoryBlock.SupportsFlags(MemoryAllocationFlags.ViewCompatible))

- {

- memoryManagerMode = MemoryManagerMode.SoftwarePageTable;

- }

-

- // We allow it for nx-hbloader because it can be used to launch homebrew.

- bool allowCodeMemoryForJit = TitleId == 0x010000000000100DUL || isHomebrew;

-

- metaData.GetNpdm(out Npdm npdm).ThrowIfFailure();

- ProgramInfo programInfo = new ProgramInfo(in npdm, displayVersion, usePtc, allowCodeMemoryForJit);

- ProgramLoadResult result = ProgramLoader.LoadNsos(_device.System.KernelContext, metaData, programInfo, executables: programs);

-

- DiskCacheLoadState = result.DiskCacheLoadState;

-

- _device.Configuration.VirtualFileSystem.ModLoader.LoadCheats(TitleId, result.TamperInfo, _device.TamperMachine);

-

- return result.ProcessId;

- }

-

- public void LoadProgram(string filePath)

- {

- MetaLoader metaData = GetDefaultNpdm();

- metaData.GetNpdm(out Npdm npdm).ThrowIfFailure();

- ProgramInfo programInfo = new ProgramInfo(in npdm, string.Empty, diskCacheEnabled: false, allowCodeMemoryForJit: true);

-

- bool isNro = Path.GetExtension(filePath).ToLower() == ".nro";

-

- IExecutable executable;

- Stream romfsStream = null;

-

- if (isNro)

- {

- FileStream input = new FileStream(filePath, FileMode.Open);

- NroExecutable obj = new NroExecutable(input.AsStorage());

-

- executable = obj;

-

- // Homebrew NRO can actually have some data after the actual NRO.

- if (input.Length > obj.FileSize)

- {

- input.Position = obj.FileSize;

-

- BinaryReader reader = new BinaryReader(input);

-

- uint asetMagic = reader.ReadUInt32();

- if (asetMagic == 0x54455341)

- {

- uint asetVersion = reader.ReadUInt32();

- if (asetVersion == 0)

- {

- ulong iconOffset = reader.ReadUInt64();

- ulong iconSize = reader.ReadUInt64();

-

- ulong nacpOffset = reader.ReadUInt64();

- ulong nacpSize = reader.ReadUInt64();

-

- ulong romfsOffset = reader.ReadUInt64();

- ulong romfsSize = reader.ReadUInt64();

-

- if (romfsSize != 0)

- {

- romfsStream = new HomebrewRomFsStream(input, obj.FileSize + (long)romfsOffset);

- }

-

- if (nacpSize != 0)

- {

- input.Seek(obj.FileSize + (long)nacpOffset, SeekOrigin.Begin);

-

- reader.Read(ControlData.ByteSpan);

-

- ref ApplicationControlProperty nacp = ref ControlData.Value;

-

- programInfo.Name = nacp.Title[(int)_device.System.State.DesiredTitleLanguage].NameString.ToString();

-

- if (string.IsNullOrWhiteSpace(programInfo.Name))

- {

- programInfo.Name = nacp.Title.ItemsRo.ToArray().FirstOrDefault(x => x.Name[0] != 0).NameString.ToString();

- }

-

- if (nacp.PresenceGroupId != 0)

- {

- programInfo.ProgramId = nacp.PresenceGroupId;

- }

- else if (nacp.SaveDataOwnerId != 0)

- {

- programInfo.ProgramId = nacp.SaveDataOwnerId;

- }

- else if (nacp.AddOnContentBaseId != 0)

- {

- programInfo.ProgramId = nacp.AddOnContentBaseId - 0x1000;

- }

- else

- {

- programInfo.ProgramId = 0000000000000000;

- }

- }

- }

- else

- {

- Logger.Warning?.Print(LogClass.Loader, $"Unsupported ASET header version found \"{asetVersion}\"");

- }

- }

- }

- }

- else

- {

- executable = new NsoExecutable(new LocalStorage(filePath, FileAccess.Read), Path.GetFileNameWithoutExtension(filePath));

- }

-

- _device.Configuration.ContentManager.LoadEntries(_device);

-

- _titleName = programInfo.Name;

- TitleId = programInfo.ProgramId;

- TitleIs64Bit = (npdm.Meta.Flags & 1) != 0;

- _device.System.LibHacHorizonManager.ArpIReader.ApplicationId = new LibHac.ApplicationId(TitleId);

-

- // Explicitly null titleid to disable the shader cache.

- Graphics.Gpu.GraphicsConfig.TitleId = null;

- _device.Gpu.HostInitalized.Set();

-

- ProgramLoadResult result = ProgramLoader.LoadNsos(_device.System.KernelContext, metaData, programInfo, executables: executable);

-

- if (romfsStream != null)

- {

- _device.Configuration.VirtualFileSystem.SetRomFs(result.ProcessId, romfsStream);

- }

-

- DiskCacheLoadState = result.DiskCacheLoadState;

-

- _device.Configuration.VirtualFileSystem.ModLoader.LoadCheats(TitleId, result.TamperInfo, _device.TamperMachine);

- }

-

- private MetaLoader GetDefaultNpdm()

- {

- Assembly asm = Assembly.GetCallingAssembly();

-

- using (Stream npdmStream = asm.GetManifestResourceStream("Ryujinx.HLE.Homebrew.npdm"))

- {

- var npdmBuffer = new byte[npdmStream.Length];

- npdmStream.Read(npdmBuffer);

-

- var metaLoader = new MetaLoader();

- metaLoader.Load(npdmBuffer).ThrowIfFailure();

-

- return metaLoader;

- }

- }

-

- private static (ulong applicationId, int programCount) GetMultiProgramInfo(VirtualFileSystem fileSystem, PartitionFileSystem pfs)

- {

- ulong mainProgramId = 0;

- Span<bool> hasIndex = stackalloc bool[0x10];

-

- fileSystem.ImportTickets(pfs);

-

- foreach (DirectoryEntryEx fileEntry in pfs.EnumerateEntries("/", "*.nca"))

- {

- using var ncaFile = new UniqueRef<IFile>();

-

- pfs.OpenFile(ref ncaFile.Ref, fileEntry.FullPath.ToU8Span(), OpenMode.Read).ThrowIfFailure();

-

- Nca nca = new Nca(fileSystem.KeySet, ncaFile.Release().AsStorage());

-

- if (nca.Header.ContentType != NcaContentType.Program)

- {

- continue;

- }

-

- int dataIndex = Nca.GetSectionIndexFromType(NcaSectionType.Data, NcaContentType.Program);

-

- if (nca.SectionExists(NcaSectionType.Data) && nca.Header.GetFsHeader(dataIndex).IsPatchSection())

- {

- continue;

- }

-

- ulong currentProgramId = nca.Header.TitleId;

- ulong currentMainProgramId = currentProgramId & ~0xFFFul;

-

- if (mainProgramId == 0 && currentMainProgramId != 0)

- {

- mainProgramId = currentMainProgramId;

- }

-

- if (mainProgramId != currentMainProgramId)

- {

- // As far as I know there aren't any multi-application game cards containing multi-program applications,

- // so because multi-application game cards are the only way we should run into multiple applications

- // we'll just return that there's a single program.

- return (mainProgramId, 1);

- }

-

- hasIndex[(int)(currentProgramId & 0xF)] = true;

- }

-

- int programCount = 0;

-

- for (int i = 0; i < hasIndex.Length && hasIndex[i]; i++)

- {

- programCount++;

- }

-

- return (mainProgramId, programCount);

- }

-

- private Result RegisterProgramMapInfo(PartitionFileSystem pfs)

- {

- (ulong applicationId, int programCount) = GetMultiProgramInfo(_device.Configuration.VirtualFileSystem, pfs);

-

- if (programCount <= 0)

- return 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.Slice(0, programCount));

- }

-

- private Result EnsureSaveData(ApplicationId applicationId)

- {

- Logger.Info?.Print(LogClass.Application, "Ensuring required savedata exists.");

-

- Uid user = _device.System.AccountManager.LastOpenedUser.UserId.ToLibHacUid();

-

- ref ApplicationControlProperty control = ref ControlData.Value;

-

- if (LibHac.Common.Utilities.IsZeros(ControlData.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.");

- }

-

- HorizonClient hos = _device.System.LibHacHorizonManager.RyujinxClient;

- Result resultCode = hos.Fs.EnsureApplicationCacheStorage(out _, out _, applicationId, in control);

-

- if (resultCode.IsFailure())

- {

- Logger.Error?.Print(LogClass.Application, $"Error calling EnsureApplicationCacheStorage. Result code {resultCode.ToStringWithName()}");

-

- return resultCode;

- }

-

- resultCode = hos.Fs.EnsureApplicationSaveData(out _, applicationId, in control, in user);

-

- if (resultCode.IsFailure())

- {

- Logger.Error?.Print(LogClass.Application, $"Error calling EnsureApplicationSaveData. Result code {resultCode.ToStringWithName()}");

- }

-

- return resultCode;

- }

- }

-}