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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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