Ryujinx/Ryujinx.HLE/HOS/Horizon.cs

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using LibHac;
using LibHac.Fs;
using LibHac.Fs.NcaUtils;
using Ryujinx.Common.Logging;
using Ryujinx.HLE.FileSystem.Content;
using Ryujinx.HLE.HOS.Font;
using Ryujinx.HLE.HOS.Kernel.Common;
using Ryujinx.HLE.HOS.Kernel.Memory;
using Ryujinx.HLE.HOS.Kernel.Process;
using Ryujinx.HLE.HOS.Kernel.Threading;
using Ryujinx.HLE.HOS.Services.Sm;
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;
internal const int IirsSize = 0x8000;
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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 KSharedMemory IirsSharedMem { 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; }
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public string TitleName { get; private set; }
public string TitleID { get; private set; }
public IntegrityCheckLevel FsIntegrityCheckLevel { get; set; }
internal long HidBaseAddress { get; private set; }
public Horizon(Switch device)
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{
ControlData = new Nacp();
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;
ulong iirsPa = region.Address + HidSize + FontSize;
HidBaseAddress = (long)(hidPa - DramMemoryMap.DramBase);
KPageList hidPageList = new KPageList();
KPageList fontPageList = new KPageList();
KPageList iirsPageList = new KPageList();
hidPageList .AddRange(hidPa, HidSize / KMemoryManager.PageSize);
fontPageList.AddRange(fontPa, FontSize / KMemoryManager.PageSize);
iirsPageList.AddRange(iirsPa, IirsSize / KMemoryManager.PageSize);
HidSharedMem = new KSharedMemory(this, hidPageList, 0, 0, MemoryPermission.Read);
FontSharedMem = new KSharedMemory(this, fontPageList, 0, 0, MemoryPermission.Read);
IirsSharedMem = new KSharedMemory(this, iirsPageList, 0, 0, MemoryPermission.Read);
AppletState = new AppletStateMgr(this);
AppletState.SetFocus(true);
Font = new SharedFontManager(device, (long)(fontPa - DramMemoryMap.DramBase));
IUserInterface.InitializePort(this);
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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}
LocalFileSystem codeFs = new LocalFileSystem(exeFsDir);
LoadExeFs(codeFs, out _);
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}
public void LoadXci(string xciFile)
{
FileStream file = new FileStream(xciFile, FileMode.Open, FileAccess.Read);
Xci xci = new Xci(KeySet, file.AsStorage());
(Nca mainNca, Nca patchNca, Nca controlNca) = GetXciGameData(xci);
if (mainNca == null)
{
Logger.PrintError(LogClass.Loader, "Unable to load XCI");
return;
}
ContentManager.LoadEntries();
LoadNca(mainNca, patchNca, controlNca);
}
public void LoadKip(string kipFile)
{
using (FileStream fs = new FileStream(kipFile, FileMode.Open))
{
ProgramLoader.LoadKernelInitalProcess(this, new KernelInitialProcess(fs));
}
}
private (Nca Main, Nca patch, Nca Control) GetXciGameData(Xci xci)
{
if (!xci.HasPartition(XciPartitionType.Secure))
{
throw new InvalidDataException("Could not find XCI secure partition");
}
Nca mainNca = null;
Nca patchNca = null;
Nca controlNca = null;
XciPartition securePartition = xci.OpenPartition(XciPartitionType.Secure);
foreach (DirectoryEntry ticketEntry in securePartition.EnumerateEntries("*.tik"))
{
Ticket ticket = new Ticket(securePartition.OpenFile(ticketEntry.FullPath, OpenMode.Read).AsStream());
if (!KeySet.TitleKeys.ContainsKey(ticket.RightsId))
{
KeySet.TitleKeys.Add(ticket.RightsId, ticket.GetTitleKey(KeySet));
}
}
foreach (DirectoryEntry fileEntry in securePartition.EnumerateEntries("*.nca"))
{
IStorage ncaStorage = securePartition.OpenFile(fileEntry.FullPath, OpenMode.Read).AsStorage();
Nca nca = new Nca(KeySet, ncaStorage);
if (nca.Header.ContentType == ContentType.Program)
{
int dataIndex = Nca.GetSectionIndexFromType(NcaSectionType.Data, ContentType.Program);
if (nca.Header.GetFsHeader(dataIndex).IsPatchSection())
{
patchNca = nca;
}
else
{
mainNca = 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");
}
if (controlNca != null)
{
ReadControlData(controlNca);
}
return (mainNca, patchNca, controlNca);
}
public void ReadControlData(Nca controlNca)
{
IFileSystem controlFs = controlNca.OpenFileSystem(NcaSectionType.Data, FsIntegrityCheckLevel);
IFile controlFile = controlFs.OpenFile("/control.nacp", OpenMode.Read);
ControlData = new Nacp(controlFile.AsStream());
TitleName = CurrentTitle = ControlData.Descriptions[(int)State.DesiredTitleLanguage].Title;
}
public void LoadNca(string ncaFile)
{
FileStream file = new FileStream(ncaFile, FileMode.Open, FileAccess.Read);
Nca nca = new Nca(KeySet, file.AsStorage(false));
LoadNca(nca, null, null);
}
public void LoadNsp(string nspFile)
{
FileStream file = new FileStream(nspFile, FileMode.Open, FileAccess.Read);
PartitionFileSystem nsp = new PartitionFileSystem(file.AsStorage());
foreach (DirectoryEntry ticketEntry in nsp.EnumerateEntries("*.tik"))
{
Ticket ticket = new Ticket(nsp.OpenFile(ticketEntry.FullPath, OpenMode.Read).AsStream());
if (!KeySet.TitleKeys.ContainsKey(ticket.RightsId))
{
KeySet.TitleKeys.Add(ticket.RightsId, ticket.GetTitleKey(KeySet));
}
}
Nca mainNca = null;
Nca patchNca = null;
Nca controlNca = null;
foreach (DirectoryEntry fileEntry in nsp.EnumerateEntries("*.nca"))
{
IStorage ncaStorage = nsp.OpenFile(fileEntry.FullPath, OpenMode.Read).AsStorage();
Nca nca = new Nca(KeySet, ncaStorage);
if (nca.Header.ContentType == ContentType.Program)
{
int dataIndex = Nca.GetSectionIndexFromType(NcaSectionType.Data, ContentType.Program);
if (nca.Header.GetFsHeader(dataIndex).IsPatchSection())
{
patchNca = nca;
}
else
{
mainNca = nca;
}
}
else if (nca.Header.ContentType == ContentType.Control)
{
controlNca = nca;
}
}
if (mainNca != null)
{
LoadNca(mainNca, patchNca, controlNca);
return;
}
// This is not a normal NSP, it's actually a ExeFS as a NSP
LoadExeFs(nsp, out _);
}
public void LoadNca(Nca mainNca, Nca patchNca, Nca controlNca)
{
if (mainNca.Header.ContentType != ContentType.Program)
{
Logger.PrintError(LogClass.Loader, "Selected NCA is not a \"Program\" NCA");
return;
}
IStorage dataStorage = null;
IFileSystem codeFs = null;
if (patchNca == null)
{
if (mainNca.CanOpenSection(NcaSectionType.Data))
{
dataStorage = mainNca.OpenStorage(NcaSectionType.Data, FsIntegrityCheckLevel);
}
if (mainNca.CanOpenSection(NcaSectionType.Code))
{
codeFs = mainNca.OpenFileSystem(NcaSectionType.Code, FsIntegrityCheckLevel);
}
}
else
{
if (patchNca.CanOpenSection(NcaSectionType.Data))
{
dataStorage = mainNca.OpenStorageWithPatch(patchNca, NcaSectionType.Data, FsIntegrityCheckLevel);
}
if (patchNca.CanOpenSection(NcaSectionType.Code))
{
codeFs = mainNca.OpenFileSystemWithPatch(patchNca, NcaSectionType.Code, FsIntegrityCheckLevel);
}
}
if (codeFs == null)
{
Logger.PrintError(LogClass.Loader, "No ExeFS found in NCA");
return;
}
if (dataStorage == null)
{
Logger.PrintWarning(LogClass.Loader, "No RomFS found in NCA");
}
else
{
Device.FileSystem.SetRomFs(dataStorage.AsStream(FileAccess.Read));
}
LoadExeFs(codeFs, out Npdm metaData);
Nacp ReadControlData()
{
IFileSystem controlRomfs = controlNca.OpenFileSystem(NcaSectionType.Data, FsIntegrityCheckLevel);
IFile controlFile = controlRomfs.OpenFile("/control.nacp", OpenMode.Read);
Nacp controlData = new Nacp(controlFile.AsStream());
TitleName = CurrentTitle = controlData.Descriptions[(int)State.DesiredTitleLanguage].Title;
TitleID = metaData.Aci0.TitleId.ToString("x16");
CurrentTitle = controlData.Descriptions[(int)State.DesiredTitleLanguage].Title;
if (string.IsNullOrWhiteSpace(CurrentTitle))
{
TitleName = CurrentTitle = controlData.Descriptions.ToList().Find(x => !string.IsNullOrWhiteSpace(x.Title)).Title;
}
return controlData;
}
if (controlNca != null)
{
ReadControlData();
}
else
{
TitleID = CurrentTitle = metaData.Aci0.TitleId.ToString("x16");
}
}
private void LoadExeFs(IFileSystem codeFs, out Npdm metaData)
{
if (codeFs.FileExists("/main.npdm"))
{
Logger.PrintInfo(LogClass.Loader, "Loading main.npdm...");
metaData = new Npdm(codeFs.OpenFile("/main.npdm", OpenMode.Read).AsStream());
}
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 (DirectoryEntry file in codeFs.EnumerateEntries($"{filename}*"))
{
if (Path.GetExtension(file.Name) != string.Empty)
{
continue;
}
Logger.PrintInfo(LogClass.Loader, $"Loading {file.Name}...");
NxStaticObject staticObject = new NxStaticObject(codeFs.OpenFile(file.FullPath, OpenMode.Read).AsStream());
staticObjects.Add(staticObject);
}
}
TitleID = CurrentTitle = metaData.Aci0.TitleId.ToString("x16");
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";
FileStream input = new FileStream(filePath, FileMode.Open);
IExecutable staticObject;
if (isNro)
{
NxRelocatableObject obj = new NxRelocatableObject(input);
staticObject = 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)
{
Device.FileSystem.SetRomFs(new HomebrewRomFsStream(input, obj.FileSize + (long)romfsOffset));
}
}
else
{
Logger.PrintWarning(LogClass.Loader, $"Unsupported ASET header version found \"{asetVersion}\"");
}
}
}
}
else
{
staticObject = new NxStaticObject(input);
}
ContentManager.LoadEntries();
TitleID = CurrentTitle = metaData.Aci0.TitleId.ToString("x16");
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TitleName = metaData.TitleName;
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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}
}
}
}