Ryujinx/Ryujinx.HLE/HOS/Horizon.cs

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using LibHac;
using Ryujinx.Common.Logging;
using Ryujinx.HLE.FileSystem.Content;
using Ryujinx.HLE.HOS.Font;
using Ryujinx.HLE.HOS.Kernel;
using Ryujinx.HLE.HOS.SystemState;
using Ryujinx.HLE.Loaders.Executables;
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using Ryujinx.HLE.Loaders.Npdm;
using System;
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using System.Collections.Concurrent;
using System.Collections.Generic;
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using System.IO;
using System.Linq;
using System.Reflection;
using System.Threading;
using NxStaticObject = Ryujinx.HLE.Loaders.Executables.NxStaticObject;
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namespace Ryujinx.HLE.HOS
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{
public class Horizon : IDisposable
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{
internal const int InitialKipId = 1;
internal const int InitialProcessId = 0x51;
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internal const int HidSize = 0x40000;
internal const int FontSize = 0x1100000;
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private const int MemoryBlockAllocatorSize = 0x2710;
private const ulong UserSlabHeapBase = DramMemoryMap.SlabHeapBase;
private const ulong UserSlabHeapItemSize = KMemoryManager.PageSize;
private const ulong UserSlabHeapSize = 0x3de000;
internal long PrivilegedProcessLowestId { get; set; } = 1;
internal long PrivilegedProcessHighestId { get; set; } = 8;
internal Switch Device { get; private set; }
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public SystemStateMgr State { get; private set; }
internal bool KernelInitialized { get; private set; }
internal KResourceLimit ResourceLimit { get; private set; }
internal KMemoryRegionManager[] MemoryRegions { get; private set; }
internal KMemoryBlockAllocator LargeMemoryBlockAllocator { get; private set; }
internal KMemoryBlockAllocator SmallMemoryBlockAllocator { get; private set; }
internal KSlabHeap UserSlabHeapPages { get; private set; }
internal KCriticalSection CriticalSection { get; private set; }
internal KScheduler Scheduler { get; private set; }
internal KTimeManager TimeManager { get; private set; }
internal KSynchronization Synchronization { get; private set; }
internal KContextIdManager ContextIdManager { get; private set; }
private long KipId;
private long ProcessId;
private long ThreadUid;
internal CountdownEvent ThreadCounter;
internal SortedDictionary<long, KProcess> Processes;
internal ConcurrentDictionary<string, KAutoObject> AutoObjectNames;
internal bool EnableVersionChecks { get; private set; }
internal AppletStateMgr AppletState { get; private set; }
internal KSharedMemory HidSharedMem { get; private set; }
internal KSharedMemory FontSharedMem { get; private set; }
internal SharedFontManager Font { get; private set; }
internal ContentManager ContentManager { get; private set; }
internal KEvent VsyncEvent { get; private set; }
internal Keyset KeySet { get; private set; }
private bool HasStarted;
public Nacp ControlData { get; set; }
public string CurrentTitle { get; private set; }
public IntegrityCheckLevel FsIntegrityCheckLevel { get; set; }
internal long HidBaseAddress { get; private set; }
public Horizon(Switch Device)
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{
this.Device = Device;
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State = new SystemStateMgr();
ResourceLimit = new KResourceLimit(this);
KernelInit.InitializeResourceLimit(ResourceLimit);
MemoryRegions = KernelInit.GetMemoryRegions();
LargeMemoryBlockAllocator = new KMemoryBlockAllocator(MemoryBlockAllocatorSize * 2);
SmallMemoryBlockAllocator = new KMemoryBlockAllocator(MemoryBlockAllocatorSize);
UserSlabHeapPages = new KSlabHeap(
UserSlabHeapBase,
UserSlabHeapItemSize,
UserSlabHeapSize);
CriticalSection = new KCriticalSection(this);
Scheduler = new KScheduler(this);
TimeManager = new KTimeManager();
Synchronization = new KSynchronization(this);
ContextIdManager = new KContextIdManager();
KipId = InitialKipId;
ProcessId = InitialProcessId;
Scheduler.StartAutoPreemptionThread();
KernelInitialized = true;
ThreadCounter = new CountdownEvent(1);
Processes = new SortedDictionary<long, KProcess>();
AutoObjectNames = new ConcurrentDictionary<string, KAutoObject>();
//Note: This is not really correct, but with HLE of services, the only memory
//region used that is used is Application, so we can use the other ones for anything.
KMemoryRegionManager Region = MemoryRegions[(int)MemoryRegion.NvServices];
ulong HidPa = Region.Address;
ulong FontPa = Region.Address + HidSize;
HidBaseAddress = (long)(HidPa - DramMemoryMap.DramBase);
KPageList HidPageList = new KPageList();
KPageList FontPageList = new KPageList();
HidPageList .AddRange(HidPa, HidSize / KMemoryManager.PageSize);
FontPageList.AddRange(FontPa, FontSize / KMemoryManager.PageSize);
HidSharedMem = new KSharedMemory(HidPageList, 0, 0, MemoryPermission.Read);
FontSharedMem = new KSharedMemory(FontPageList, 0, 0, MemoryPermission.Read);
AppletState = new AppletStateMgr(this);
AppletState.SetFocus(true);
Font = new SharedFontManager(Device, (long)(FontPa - DramMemoryMap.DramBase));
VsyncEvent = new KEvent(this);
LoadKeySet();
ContentManager = new ContentManager(Device);
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}
public void LoadCart(string ExeFsDir, string RomFsFile = null)
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{
if (RomFsFile != null)
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{
Device.FileSystem.LoadRomFs(RomFsFile);
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}
string NpdmFileName = Path.Combine(ExeFsDir, "main.npdm");
Npdm MetaData = null;
if (File.Exists(NpdmFileName))
{
Logger.PrintInfo(LogClass.Loader, $"Loading main.npdm...");
using (FileStream Input = new FileStream(NpdmFileName, FileMode.Open))
{
MetaData = new Npdm(Input);
}
}
else
{
Logger.PrintWarning(LogClass.Loader, $"NPDM file not found, using default values!");
MetaData = GetDefaultNpdm();
}
List<IExecutable> StaticObjects = new List<IExecutable>();
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void LoadNso(string SearchPattern)
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{
foreach (string File in Directory.GetFiles(ExeFsDir, SearchPattern))
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{
if (Path.GetExtension(File) != string.Empty)
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{
continue;
}
Logger.PrintInfo(LogClass.Loader, $"Loading {Path.GetFileNameWithoutExtension(File)}...");
using (FileStream Input = new FileStream(File, FileMode.Open))
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{
NxStaticObject StaticObject = new NxStaticObject(Input);
StaticObjects.Add(StaticObject);
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}
}
}
if (!MetaData.Is64Bits)
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{
throw new NotImplementedException("32-bit titles are unsupported!");
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}
CurrentTitle = MetaData.ACI0.TitleId.ToString("x16");
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LoadNso("rtld");
LoadNso("main");
LoadNso("subsdk*");
LoadNso("sdk");
ContentManager.LoadEntries();
ProgramLoader.LoadStaticObjects(this, MetaData, StaticObjects.ToArray());
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}
public void LoadXci(string XciFile)
{
FileStream File = new FileStream(XciFile, FileMode.Open, FileAccess.Read);
Xci Xci = new Xci(KeySet, File);
(Nca MainNca, Nca ControlNca) = GetXciGameData(Xci);
if (MainNca == null)
{
Logger.PrintError(LogClass.Loader, "Unable to load XCI");
return;
}
ContentManager.LoadEntries();
LoadNca(MainNca, ControlNca);
}
private (Nca Main, Nca Control) GetXciGameData(Xci Xci)
{
if (Xci.SecurePartition == null)
{
throw new InvalidDataException("Could not find XCI secure partition");
}
Nca MainNca = null;
Nca PatchNca = null;
Nca ControlNca = null;
foreach (PfsFileEntry TicketEntry in Xci.SecurePartition.Files.Where(x => x.Name.EndsWith(".tik")))
{
Ticket ticket = new Ticket(Xci.SecurePartition.OpenFile(TicketEntry));
if (!KeySet.TitleKeys.ContainsKey(ticket.RightsId))
{
KeySet.TitleKeys.Add(ticket.RightsId, ticket.GetTitleKey(KeySet));
}
}
foreach (PfsFileEntry FileEntry in Xci.SecurePartition.Files.Where(x => x.Name.EndsWith(".nca")))
{
Stream NcaStream = Xci.SecurePartition.OpenFile(FileEntry);
Nca Nca = new Nca(KeySet, NcaStream, true);
if (Nca.Header.ContentType == ContentType.Program)
{
if (Nca.Sections.Any(x => x?.Type == SectionType.Romfs))
{
MainNca = Nca;
}
else if (Nca.Sections.Any(x => x?.Type == SectionType.Bktr))
{
PatchNca = Nca;
}
}
else if (Nca.Header.ContentType == ContentType.Control)
{
ControlNca = Nca;
}
}
if (MainNca == null)
{
Logger.PrintError(LogClass.Loader, "Could not find an Application NCA in the provided XCI file");
}
MainNca.SetBaseNca(PatchNca);
if (ControlNca != null)
{
ReadControlData(ControlNca);
}
if (PatchNca != null)
{
PatchNca.SetBaseNca(MainNca);
return (PatchNca, ControlNca);
}
return (MainNca, ControlNca);
}
public void ReadControlData(Nca ControlNca)
{
Romfs ControlRomfs = new Romfs(ControlNca.OpenSection(0, false, FsIntegrityCheckLevel));
byte[] ControlFile = ControlRomfs.GetFile("/control.nacp");
BinaryReader Reader = new BinaryReader(new MemoryStream(ControlFile));
ControlData = new Nacp(Reader);
}
public void LoadNca(string NcaFile)
{
FileStream File = new FileStream(NcaFile, FileMode.Open, FileAccess.Read);
Nca Nca = new Nca(KeySet, File, true);
LoadNca(Nca, null);
}
public void LoadNsp(string NspFile)
{
FileStream File = new FileStream(NspFile, FileMode.Open, FileAccess.Read);
Pfs Nsp = new Pfs(File);
PfsFileEntry TicketFile = Nsp.Files.FirstOrDefault(x => x.Name.EndsWith(".tik"));
// Load title key from the NSP's ticket in case the user doesn't have a title key file
if (TicketFile != null)
{
Ticket Ticket = new Ticket(Nsp.OpenFile(TicketFile));
KeySet.TitleKeys[Ticket.RightsId] = Ticket.GetTitleKey(KeySet);
}
Nca MainNca = null;
Nca ControlNca = null;
foreach (PfsFileEntry NcaFile in Nsp.Files.Where(x => x.Name.EndsWith(".nca")))
{
Nca Nca = new Nca(KeySet, Nsp.OpenFile(NcaFile), true);
if (Nca.Header.ContentType == ContentType.Program)
{
MainNca = Nca;
}
else if (Nca.Header.ContentType == ContentType.Control)
{
ControlNca = Nca;
}
}
if (MainNca != null)
{
LoadNca(MainNca, ControlNca);
return;
}
Logger.PrintError(LogClass.Loader, "Could not find an Application NCA in the provided NSP file");
}
public void LoadNca(Nca MainNca, Nca ControlNca)
{
if (MainNca.Header.ContentType != ContentType.Program)
{
Logger.PrintError(LogClass.Loader, "Selected NCA is not a \"Program\" NCA");
return;
}
Stream RomfsStream = MainNca.OpenSection(ProgramPartitionType.Data, false, FsIntegrityCheckLevel);
Stream ExefsStream = MainNca.OpenSection(ProgramPartitionType.Code, false, FsIntegrityCheckLevel);
if (ExefsStream == null)
{
Logger.PrintError(LogClass.Loader, "No ExeFS found in NCA");
return;
}
if (RomfsStream == null)
{
Logger.PrintWarning(LogClass.Loader, "No RomFS found in NCA");
}
else
{
Device.FileSystem.SetRomFs(RomfsStream);
}
Pfs Exefs = new Pfs(ExefsStream);
Npdm MetaData = null;
if (Exefs.FileExists("main.npdm"))
{
Logger.PrintInfo(LogClass.Loader, "Loading main.npdm...");
MetaData = new Npdm(Exefs.OpenFile("main.npdm"));
}
else
{
Logger.PrintWarning(LogClass.Loader, $"NPDM file not found, using default values!");
MetaData = GetDefaultNpdm();
}
List<IExecutable> StaticObjects = new List<IExecutable>();
void LoadNso(string Filename)
{
foreach (PfsFileEntry File in Exefs.Files.Where(x => x.Name.StartsWith(Filename)))
{
if (Path.GetExtension(File.Name) != string.Empty)
{
continue;
}
Logger.PrintInfo(LogClass.Loader, $"Loading {Filename}...");
NxStaticObject StaticObject = new NxStaticObject(Exefs.OpenFile(File));
StaticObjects.Add(StaticObject);
}
}
Nacp ReadControlData()
{
Romfs ControlRomfs = new Romfs(ControlNca.OpenSection(0, false, FsIntegrityCheckLevel));
byte[] ControlFile = ControlRomfs.GetFile("/control.nacp");
BinaryReader Reader = new BinaryReader(new MemoryStream(ControlFile));
Nacp ControlData = new Nacp(Reader);
CurrentTitle = ControlData.Languages[(int)State.DesiredTitleLanguage].Title;
if (string.IsNullOrWhiteSpace(CurrentTitle))
{
CurrentTitle = ControlData.Languages.ToList().Find(x => !string.IsNullOrWhiteSpace(x.Title)).Title;
}
return ControlData;
}
if (ControlNca != null)
{
ReadControlData();
}
else
{
CurrentTitle = MetaData.ACI0.TitleId.ToString("x16");
}
if (!MetaData.Is64Bits)
{
throw new NotImplementedException("32-bit titles are not supported!");
}
LoadNso("rtld");
LoadNso("main");
LoadNso("subsdk");
LoadNso("sdk");
ContentManager.LoadEntries();
ProgramLoader.LoadStaticObjects(this, MetaData, StaticObjects.ToArray());
}
public void LoadProgram(string FilePath)
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{
Npdm MetaData = GetDefaultNpdm();
bool IsNro = Path.GetExtension(FilePath).ToLower() == ".nro";
using (FileStream Input = new FileStream(FilePath, FileMode.Open))
{
IExecutable StaticObject = IsNro
? (IExecutable)new NxRelocatableObject(Input)
: (IExecutable)new NxStaticObject(Input);
ProgramLoader.LoadStaticObjects(this, MetaData, new IExecutable[] { StaticObject });
}
}
private Npdm GetDefaultNpdm()
{
Assembly Asm = Assembly.GetCallingAssembly();
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using (Stream NpdmStream = Asm.GetManifestResourceStream("Ryujinx.HLE.Homebrew.npdm"))
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{
return new Npdm(NpdmStream);
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}
}
public void LoadKeySet()
{
string KeyFile = null;
string TitleKeyFile = null;
string ConsoleKeyFile = null;
string Home = Environment.GetFolderPath(Environment.SpecialFolder.UserProfile);
LoadSetAtPath(Path.Combine(Home, ".switch"));
LoadSetAtPath(Device.FileSystem.GetSystemPath());
KeySet = ExternalKeys.ReadKeyFile(KeyFile, TitleKeyFile, ConsoleKeyFile);
void LoadSetAtPath(string BasePath)
{
string LocalKeyFile = Path.Combine(BasePath, "prod.keys");
string LocalTitleKeyFile = Path.Combine(BasePath, "title.keys");
string LocalConsoleKeyFile = Path.Combine(BasePath, "console.keys");
if (File.Exists(LocalKeyFile))
{
KeyFile = LocalKeyFile;
}
if (File.Exists(LocalTitleKeyFile))
{
TitleKeyFile = LocalTitleKeyFile;
}
if (File.Exists(LocalConsoleKeyFile))
{
ConsoleKeyFile = LocalConsoleKeyFile;
}
}
}
public void SignalVsync()
{
VsyncEvent.ReadableEvent.Signal();
}
internal long GetThreadUid()
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{
return Interlocked.Increment(ref ThreadUid) - 1;
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}
internal long GetKipId()
{
return Interlocked.Increment(ref KipId) - 1;
}
internal long GetProcessId()
{
return Interlocked.Increment(ref ProcessId) - 1;
}
public void EnableMultiCoreScheduling()
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{
if (!HasStarted)
{
Scheduler.MultiCoreScheduling = true;
}
}
public void DisableMultiCoreScheduling()
{
if (!HasStarted)
{
Scheduler.MultiCoreScheduling = false;
}
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}
public void Dispose()
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{
Dispose(true);
}
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protected virtual void Dispose(bool Disposing)
{
if (Disposing)
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{
//Force all threads to exit.
lock (Processes)
{
foreach (KProcess Process in Processes.Values)
{
Process.StopAllThreads();
}
}
//It's only safe to release resources once all threads
//have exited.
ThreadCounter.Signal();
ThreadCounter.Wait();
Scheduler.Dispose();
TimeManager.Dispose();
Device.Unload();
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}
}
}
}