Ryujinx/Ryujinx.HLE/OsHle/Horizon.cs
2018-08-02 23:33:28 +03:00

236 lines
6.6 KiB
C#

using Ryujinx.HLE.Loaders.Executables;
using Ryujinx.HLE.Loaders.Npdm;
using Ryujinx.HLE.Logging;
using Ryujinx.HLE.OsHle.Handles;
using System;
using System.Collections.Concurrent;
using System.IO;
namespace Ryujinx.HLE.OsHle
{
public class Horizon : IDisposable
{
internal const int HidSize = 0x40000;
internal const int FontSize = 0x50;
private Switch Ns;
private KProcessScheduler Scheduler;
private ConcurrentDictionary<int, Process> Processes;
public SystemStateMgr SystemState { get; private set; }
internal MemoryAllocator Allocator { get; private set; }
internal HSharedMem HidSharedMem { get; private set; }
internal HSharedMem FontSharedMem { get; private set; }
internal KEvent VsyncEvent { get; private set; }
public Horizon(Switch Ns)
{
this.Ns = Ns;
Scheduler = new KProcessScheduler(Ns.Log);
Processes = new ConcurrentDictionary<int, Process>();
SystemState = new SystemStateMgr();
Allocator = new MemoryAllocator();
HidSharedMem = new HSharedMem();
FontSharedMem = new HSharedMem();
VsyncEvent = new KEvent();
}
public void LoadCart(string ExeFsDir, string RomFsFile = null)
{
if (RomFsFile != null)
{
Ns.VFs.LoadRomFs(RomFsFile);
}
Process MainProcess = MakeProcess();
void LoadNso(string FileName)
{
foreach (string File in Directory.GetFiles(ExeFsDir, FileName))
{
if (Path.GetExtension(File) != string.Empty)
{
continue;
}
Ns.Log.PrintInfo(LogClass.Loader, $"Loading {Path.GetFileNameWithoutExtension(File)}...");
using (FileStream Input = new FileStream(File, FileMode.Open))
{
string Name = Path.GetFileNameWithoutExtension(File);
Nso Program = new Nso(Input, Name);
MainProcess.LoadProgram(Program);
}
}
}
void LoadNpdm(string FileName)
{
string File = Directory.GetFiles(ExeFsDir, FileName)[0];
Ns.Log.PrintInfo(LogClass.Loader, "Loading Title Metadata...");
using (FileStream Input = new FileStream(File, FileMode.Open))
{
MainProcess.Metadata = new Npdm(Input);
}
}
LoadNpdm("*.npdm");
if (!MainProcess.Metadata.Is64Bits)
{
throw new Exception("32-bit titles are unsupported!");
}
LoadNso("rtld");
MainProcess.SetEmptyArgs();
LoadNso("main");
LoadNso("subsdk*");
LoadNso("sdk");
MainProcess.Run();
}
public void LoadProgram(string FilePath)
{
bool IsNro = Path.GetExtension(FilePath).ToLower() == ".nro";
string Name = Path.GetFileNameWithoutExtension(FilePath);
string SwitchFilePath = Ns.VFs.SystemPathToSwitchPath(FilePath);
if (IsNro && (SwitchFilePath == null || !SwitchFilePath.StartsWith("sdmc:/")))
{
string SwitchPath = $"sdmc:/switch/{Name}{Homebrew.TemporaryNroSuffix}";
string TempPath = Ns.VFs.SwitchPathToSystemPath(SwitchPath);
string SwitchDir = Path.GetDirectoryName(TempPath);
if (!Directory.Exists(SwitchDir))
{
Directory.CreateDirectory(SwitchDir);
}
File.Copy(FilePath, TempPath, true);
FilePath = TempPath;
}
Process MainProcess = MakeProcess();
using (FileStream Input = new FileStream(FilePath, FileMode.Open))
{
MainProcess.LoadProgram(IsNro
? (IExecutable)new Nro(Input, FilePath)
: (IExecutable)new Nso(Input, FilePath));
}
MainProcess.SetEmptyArgs();
MainProcess.Run(IsNro);
}
public void SignalVsync() => VsyncEvent.WaitEvent.Set();
private Process MakeProcess()
{
Process Process;
lock (Processes)
{
int ProcessId = 0;
while (Processes.ContainsKey(ProcessId))
{
ProcessId++;
}
Process = new Process(Ns, Scheduler, ProcessId);
Processes.TryAdd(ProcessId, Process);
}
InitializeProcess(Process);
return Process;
}
private void InitializeProcess(Process Process)
{
Process.AppletState.SetFocus(true);
}
internal void ExitProcess(int ProcessId)
{
if (Processes.TryGetValue(ProcessId, out Process Process) && Process.NeedsHbAbi)
{
string NextNro = Homebrew.ReadHbAbiNextLoadPath(Process.Memory, Process.HbAbiDataPosition);
Ns.Log.PrintInfo(LogClass.Loader, $"HbAbi NextLoadPath {NextNro}");
if (NextNro == string.Empty)
{
NextNro = "sdmc:/hbmenu.nro";
}
NextNro = NextNro.Replace("sdmc:", string.Empty);
NextNro = Ns.VFs.GetFullPath(Ns.VFs.GetSdCardPath(), NextNro);
if (File.Exists(NextNro))
{
LoadProgram(NextNro);
}
}
if (Processes.TryRemove(ProcessId, out Process))
{
Process.StopAllThreadsAsync();
Process.Dispose();
if (Processes.Count == 0)
{
Ns.OnFinish(EventArgs.Empty);
}
}
}
internal bool TryGetProcess(int ProcessId, out Process Process)
{
return Processes.TryGetValue(ProcessId, out Process);
}
public void Dispose()
{
Dispose(true);
}
protected virtual void Dispose(bool Disposing)
{
if (Disposing)
{
foreach (Process Process in Processes.Values)
{
Process.StopAllThreadsAsync();
Process.Dispose();
}
VsyncEvent.Dispose();
Scheduler.Dispose();
}
}
}
}