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IPC refactor part 1: Use explicit separate threads to process requests (#1447)

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* Changes to allow explicit management of service threads

* Remove now unused code

* Remove ThreadCounter, its no longer needed

* Allow and use separate server per service, also fix exit issues

* New policy change: PTC version now uses PR number
This commit is contained in:
gdkchan 2020-09-22 01:50:40 -03:00 committed by GitHub
parent 5dd6f41ff4
commit 6c9565693f
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GPG key ID: 4AEE18F83AFDEB23
18 changed files with 138 additions and 135 deletions
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3
ARMeilleure/Instructions/InstEmitException.cs
View file

@ -1,7 +1,6 @@
using ARMeilleure.Decoders;
using ARMeilleure.Translation;
using static ARMeilleure.Instructions.InstEmitFlowHelper;
using static ARMeilleure.IntermediateRepresentation.OperandHelper;
namespace ARMeilleure.Instructions
@ -27,6 +26,8 @@ namespace ARMeilleure.Instructions
context.Call(typeof(NativeInterface).GetMethod(name), Const(op.Address), Const(op.Id));
context.LoadFromContext();
Translator.EmitSynchronization(context);
}
public static void Und(ArmEmitterContext context)

2
ARMeilleure/Instructions/InstEmitException32.cs
View file

@ -27,6 +27,8 @@ namespace ARMeilleure.Instructions
context.Call(typeof(NativeInterface).GetMethod(name), Const(op.Address), Const(op.Id));
context.LoadFromContext();
Translator.EmitSynchronization(context);
}
}
}

2
ARMeilleure/Translation/PTC/Ptc.cs
View file

@ -21,7 +21,7 @@ namespace ARMeilleure.Translation.PTC
{
private const string HeaderMagic = "PTChd";
private const int InternalVersion = 1528; //! To be incremented manually for each change to the ARMeilleure project.
private const int InternalVersion = 1447; //! To be incremented manually for each change to the ARMeilleure project.
private const string ActualDir = "0";
private const string BackupDir = "1";

2
ARMeilleure/Translation/Translator.cs
View file

@ -290,7 +290,7 @@ namespace ARMeilleure.Translation
return context.GetControlFlowGraph();
}
private static void EmitSynchronization(EmitterContext context)
internal static void EmitSynchronization(EmitterContext context)
{
long countOffs = NativeContext.GetCounterOffset();

19
Ryujinx.HLE/HOS/Horizon.cs
View file

@ -30,7 +30,7 @@ using Ryujinx.HLE.Loaders.Executables;
using Ryujinx.HLE.Utilities;
using System;
using System.IO;
using System.Threading;
namespace Ryujinx.HLE.HOS
{
@ -318,18 +318,19 @@ namespace Ryujinx.HLE.HOS
terminationThread.Start();
// Wait until the thread is actually started.
while (terminationThread.HostThread.ThreadState == ThreadState.Unstarted)
{
Thread.Sleep(10);
}
// Wait until the termination thread is done terminating all the other threads.
terminationThread.HostThread.Join();
// Destroy nvservices channels as KThread could be waiting on some user events.
// This is safe as KThread that are likely to call ioctls are going to be terminated by the post handler hook on the SVC facade.
INvDrvServices.Destroy();
// This is needed as the IPC Dummy KThread is also counted in the ThreadCounter.
KernelContext.ThreadCounter.Signal();
// It's only safe to release resources once all threads
// have exited.
KernelContext.ThreadCounter.Signal();
KernelContext.ThreadCounter.Wait();
AudioRendererManager.Dispose();
KernelContext.Dispose();

4
Ryujinx.HLE/HOS/Kernel/KernelContext.cs
View file

@ -24,8 +24,6 @@ namespace Ryujinx.HLE.HOS.Kernel
public Syscall Syscall { get; }
public SyscallHandler SyscallHandler { get; }
public CountdownEvent ThreadCounter { get; }
public KResourceLimit ResourceLimit { get; }
public KMemoryRegionManager[] MemoryRegions { get; }
@ -57,8 +55,6 @@ namespace Ryujinx.HLE.HOS.Kernel
SyscallHandler = new SyscallHandler(this);
ThreadCounter = new CountdownEvent(1);
ResourceLimit = new KResourceLimit(this);
KernelInit.InitializeResourceLimit(ResourceLimit);

14
Ryujinx.HLE/HOS/Kernel/Process/KProcess.cs
View file

@ -791,19 +791,16 @@ namespace Ryujinx.HLE.HOS.Kernel.Process
private void InterruptHandler(object sender, EventArgs e)
{
KernelContext.Scheduler.ContextSwitch();
KernelContext.Scheduler.GetCurrentThread().HandlePostSyscall();
}
public void IncrementThreadCount()
{
Interlocked.Increment(ref _threadCount);
KernelContext.ThreadCounter.AddCount();
}
public void DecrementThreadCountAndTerminateIfZero()
{
KernelContext.ThreadCounter.Signal();
if (Interlocked.Decrement(ref _threadCount) == 0)
{
Terminate();
@ -812,8 +809,6 @@ namespace Ryujinx.HLE.HOS.Kernel.Process
public void DecrementToZeroWhileTerminatingCurrent()
{
KernelContext.ThreadCounter.Signal();
while (Interlocked.Decrement(ref _threadCount) != 0)
{
Destroy();
@ -1000,6 +995,8 @@ namespace Ryujinx.HLE.HOS.Kernel.Process
KernelContext.CriticalSection.Leave();
}
while (true)
{
KThread blockedThread = null;
lock (_threadingLock)
@ -1016,8 +1013,11 @@ namespace Ryujinx.HLE.HOS.Kernel.Process
}
}
if (blockedThread != null)
if (blockedThread == null)
{
break;
}
blockedThread.Terminate();
blockedThread.DecrementReferenceCount();
}

54
Ryujinx.HLE/HOS/Kernel/SupervisorCall/Syscall.cs
View file

@ -2,14 +2,12 @@
using Ryujinx.Common.Logging;
using Ryujinx.Cpu;
using Ryujinx.HLE.Exceptions;
using Ryujinx.HLE.HOS.Ipc;
using Ryujinx.HLE.HOS.Kernel.Common;
using Ryujinx.HLE.HOS.Kernel.Ipc;
using Ryujinx.HLE.HOS.Kernel.Memory;
using Ryujinx.HLE.HOS.Kernel.Process;
using Ryujinx.HLE.HOS.Kernel.Threading;
using System;
using System.Threading;
namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
{
@ -26,29 +24,6 @@ namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
// IPC
private struct HleIpcMessage
{
public KProcess Process { get; }
public KThread Thread { get; }
public KClientSession Session { get; }
public IpcMessage Message { get; }
public long MessagePtr { get; }
public HleIpcMessage(
KProcess process,
KThread thread,
KClientSession session,
IpcMessage message,
long messagePtr)
{
Process = process;
Thread = thread;
Session = session;
Message = message;
MessagePtr = messagePtr;
}
}
public KernelResult ConnectToNamedPort(ulong namePtr, out int handle)
{
handle = 0;
@ -135,16 +110,7 @@ namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
currentThread.Reschedule(ThreadSchedState.Paused);
IpcMessage message = new IpcMessage(messageData, (long)messagePtr);
ThreadPool.QueueUserWorkItem(ProcessIpcRequest, new HleIpcMessage(
process,
currentThread,
clientSession,
message,
(long)messagePtr));
_context.ThreadCounter.AddCount();
clientSession.Service.Server.PushMessage(_device, currentThread, clientSession, messagePtr, messageSize);
_context.CriticalSection.Leave();
@ -158,24 +124,6 @@ namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
}
}
private void ProcessIpcRequest(object state)
{
HleIpcMessage ipcMessage = (HleIpcMessage)state;
ipcMessage.Thread.ObjSyncResult = IpcHandler.IpcCall(
_device,
ipcMessage.Process,
ipcMessage.Process.CpuMemory,
ipcMessage.Thread,
ipcMessage.Session,
ipcMessage.Message,
ipcMessage.MessagePtr);
_context.ThreadCounter.Signal();
ipcMessage.Thread.Reschedule(ThreadSchedState.Running);
}
private KernelResult SendSyncRequest(int handle)
{
KProcess currentProcess = _context.Scheduler.GetCurrentProcess();

1
Ryujinx.HLE/HOS/Kernel/Threading/KThread.cs
View file

@ -348,6 +348,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
if ((SchedFlags & ThreadSchedState.LowMask) == ThreadSchedState.Running)
{
// TODO: GIC distributor stuffs (sgir changes ect)
Context.RequestInterrupt();
}
SignaledObj = null;

2
Ryujinx.HLE/HOS/Services/Audio/IAudioOutManager.cs
View file

@ -14,7 +14,7 @@ namespace Ryujinx.HLE.HOS.Services.Audio
private const int DefaultSampleRate = 48000;
private const int DefaultChannelsCount = 2;
public IAudioOutManager(ServiceCtx context) { }
public IAudioOutManager(ServiceCtx context) : base(new ServerBase("AudioOutServer")) { }
[Command(0)]
// ListAudioOuts() -> (u32 count, buffer<bytes, 6>)

2
Ryujinx.HLE/HOS/Services/CommandAttributes.cs
View file

@ -3,7 +3,7 @@
namespace Ryujinx.HLE.HOS.Services
{
[AttributeUsage(AttributeTargets.Method, AllowMultiple = true)]
public class CommandAttribute : Attribute
class CommandAttribute : Attribute
{
public readonly int Id;

23
Ryujinx.HLE/HOS/Services/IpcService.cs
View file

@ -15,13 +15,13 @@ namespace Ryujinx.HLE.HOS.Services
{
public IReadOnlyDictionary<int, MethodInfo> Commands { get; }
public ServerBase Server { get; private set; }
private IdDictionary _domainObjects;
private int _selfId;
private bool _isDomain;
public IpcService()
public IpcService(ServerBase server = null)
{
Commands = Assembly.GetExecutingAssembly().GetTypes()
.Where(type => type == GetType())
@ -30,8 +30,9 @@ namespace Ryujinx.HLE.HOS.Services
.Select(command => (((CommandAttribute)command).Id, methodInfo)))
.ToDictionary(command => command.Id, command => command.methodInfo);
_domainObjects = new IdDictionary();
Server = server;
_domainObjects = new IdDictionary();
_selfId = -1;
}
@ -152,6 +153,8 @@ namespace Ryujinx.HLE.HOS.Services
{
IpcService service = context.Session.Service;
obj.TrySetServer(service.Server);
if (service._isDomain)
{
context.Response.ObjectIds.Add(service.Add(obj));
@ -194,6 +197,18 @@ namespace Ryujinx.HLE.HOS.Services
return obj is T ? (T)obj : null;
}
public bool TrySetServer(ServerBase newServer)
{
if (Server == null)
{
Server = newServer;
return true;
}
return false;
}
private int Add(IIpcService obj)
{
return _domainObjects.Add(obj);

2
Ryujinx.HLE/HOS/Services/Nv/INvDrvServices.cs
View file

@ -45,7 +45,7 @@ namespace Ryujinx.HLE.HOS.Services.Nv
private bool _transferMemInitialized = false;
public INvDrvServices(ServiceCtx context)
public INvDrvServices(ServiceCtx context) : base(new ServerBase("NvservicesServer"))
{
_owner = null;
}

90
Ryujinx.HLE/HOS/Ipc/IpcHandler.cs → Ryujinx.HLE/HOS/Services/ServerBase.cs
View file

@ -1,4 +1,5 @@
using Ryujinx.Cpu;
using Ryujinx.Common;
using Ryujinx.HLE.HOS.Ipc;
using Ryujinx.HLE.HOS.Kernel.Common;
using Ryujinx.HLE.HOS.Kernel.Ipc;
using Ryujinx.HLE.HOS.Kernel.Process;
@ -6,19 +7,54 @@ using Ryujinx.HLE.HOS.Kernel.Threading;
using System;
using System.IO;
namespace Ryujinx.HLE.HOS.Ipc
namespace Ryujinx.HLE.HOS.Services
{
static class IpcHandler
class ServerBase
{
public static KernelResult IpcCall(
Switch device,
KProcess process,
MemoryManager memory,
KThread thread,
KClientSession session,
IpcMessage request,
long cmdPtr)
private struct IpcRequest
{
public Switch Device { get; }
public KProcess Process => Thread?.Owner;
public KThread Thread { get; }
public KClientSession Session { get; }
public ulong MessagePtr { get; }
public ulong MessageSize { get; }
public IpcRequest(Switch device, KThread thread, KClientSession session, ulong messagePtr, ulong messageSize)
{
Device = device;
Thread = thread;
Session = session;
MessagePtr = messagePtr;
MessageSize = messageSize;
}
public void SignalDone(KernelResult result)
{
Thread.ObjSyncResult = result;
Thread.Reschedule(ThreadSchedState.Running);
}
}
private readonly AsyncWorkQueue<IpcRequest> _ipcProcessor;
public ServerBase(string name)
{
_ipcProcessor = new AsyncWorkQueue<IpcRequest>(Process, name);
}
public void PushMessage(Switch device, KThread thread, KClientSession session, ulong messagePtr, ulong messageSize)
{
_ipcProcessor.Add(new IpcRequest(device, thread, session, messagePtr, messageSize));
}
private void Process(IpcRequest message)
{
byte[] reqData = new byte[message.MessageSize];
message.Process.CpuMemory.Read(message.MessagePtr, reqData);
IpcMessage request = new IpcMessage(reqData, (long)message.MessagePtr);
IpcMessage response = new IpcMessage();
using (MemoryStream raw = new MemoryStream(request.RawData))
@ -35,17 +71,17 @@ namespace Ryujinx.HLE.HOS.Ipc
BinaryWriter resWriter = new BinaryWriter(resMs);
ServiceCtx context = new ServiceCtx(
device,
process,
memory,
thread,
session,
message.Device,
message.Process,
message.Process.CpuMemory,
message.Thread,
message.Session,
request,
response,
reqReader,
resWriter);
session.Service.CallMethod(context);
message.Session.Service.CallMethod(context);
response.RawData = resMs.ToArray();
}
@ -59,26 +95,19 @@ namespace Ryujinx.HLE.HOS.Ipc
switch (cmdId)
{
case 0:
{
request = FillResponse(response, 0, session.Service.ConvertToDomain());
request = FillResponse(response, 0, message.Session.Service.ConvertToDomain());
break;
}
case 3:
{
request = FillResponse(response, 0, 0x1000);
break;
}
// TODO: Whats the difference between IpcDuplicateSession/Ex?
case 2:
case 4:
{
int unknown = reqReader.ReadInt32();
if (process.HandleTable.GenerateHandle(session, out int handle) != KernelResult.Success)
if (message.Process.HandleTable.GenerateHandle(message.Session, out int handle) != KernelResult.Success)
{
throw new InvalidOperationException("Out of handles!");
}
@ -88,25 +117,24 @@ namespace Ryujinx.HLE.HOS.Ipc
request = FillResponse(response, 0);
break;
}
default: throw new NotImplementedException(cmdId.ToString());
}
}
else if (request.Type == IpcMessageType.CloseSession)
{
// TODO
return KernelResult.PortRemoteClosed;
message.SignalDone(KernelResult.PortRemoteClosed);
return;
}
else
{
throw new NotImplementedException(request.Type.ToString());
}
memory.Write((ulong)cmdPtr, response.GetBytes(cmdPtr));
message.Process.CpuMemory.Write(message.MessagePtr, response.GetBytes((long)message.MessagePtr));
}
return KernelResult.Success;
message.SignalDone(KernelResult.Success);
}
private static IpcMessage FillResponse(IpcMessage response, long result, params int[] values)

2
Ryujinx.HLE/HOS/Services/ServiceAttributes.cs
View file

@ -3,7 +3,7 @@
namespace Ryujinx.HLE.HOS.Services
{
[AttributeUsage(AttributeTargets.Class, AllowMultiple = true)]
public class ServiceAttribute : Attribute
class ServiceAttribute : Attribute
{
public readonly string Name;
public readonly object Parameter;

17
Ryujinx.HLE/HOS/Services/Sm/IUserInterface.cs
View file

@ -18,9 +18,11 @@ namespace Ryujinx.HLE.HOS.Services.Sm
private ConcurrentDictionary<string, KPort> _registeredServices;
private readonly ServerBase _commonServer;
private bool _isInitialized;
public IUserInterface(ServiceCtx context = null)
public IUserInterface(ServiceCtx context = null) : base(new ServerBase("SmServer"))
{
_registeredServices = new ConcurrentDictionary<string, KPort>();
@ -28,6 +30,8 @@ namespace Ryujinx.HLE.HOS.Services.Sm
.SelectMany(type => type.GetCustomAttributes(typeof(ServiceAttribute), true)
.Select(service => (((ServiceAttribute)service).Name, type)))
.ToDictionary(service => service.Name, service => service.type);
_commonServer = new ServerBase("CommonServer");
}
public static void InitializePort(Horizon system)
@ -36,7 +40,9 @@ namespace Ryujinx.HLE.HOS.Services.Sm
port.ClientPort.SetName("sm:");
port.ClientPort.Service = new IUserInterface();
IUserInterface smService = new IUserInterface();
port.ClientPort.Service = smService;
}
[Command(0)]
@ -81,8 +87,13 @@ namespace Ryujinx.HLE.HOS.Services.Sm
{
ServiceAttribute serviceAttribute = (ServiceAttribute)type.GetCustomAttributes(typeof(ServiceAttribute)).First(service => ((ServiceAttribute)service).Name == name);
session.ClientSession.Service = serviceAttribute.Parameter != null ? (IpcService)Activator.CreateInstance(type, context, serviceAttribute.Parameter)
IpcService service = serviceAttribute.Parameter != null
? (IpcService)Activator.CreateInstance(type, context, serviceAttribute.Parameter)
: (IpcService)Activator.CreateInstance(type, context);
service.TrySetServer(_commonServer);
session.ClientSession.Service = service;
}
else
{

2
Ryujinx.HLE/HOS/Services/Sockets/Bsd/IClient.cs
View file

@ -102,7 +102,7 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Bsd
private List<BsdSocket> _sockets = new List<BsdSocket>();
public IClient(ServiceCtx context, bool isPrivileged)
public IClient(ServiceCtx context, bool isPrivileged) : base(new ServerBase("BsdServer"))
{
_isPrivileged = isPrivileged;
}

2
Ryujinx.HLE/HOS/Services/Vi/IApplicationRootService.cs
View file

@ -5,7 +5,7 @@ namespace Ryujinx.HLE.HOS.Services.Vi
[Service("vi:u")]
class IApplicationRootService : IpcService
{
public IApplicationRootService(ServiceCtx context) { }
public IApplicationRootService(ServiceCtx context) : base(new ServerBase("ViServer")) { }
[Command(0)]
// GetDisplayService(u32) -> object<nn::visrv::sf::IApplicationDisplayService>