protected virtual void Dispose(bool disposing)
{
if (!_isDisposed && disposing)
{
_isDisposed = true;
KProcess terminationProcess = new KProcess(KernelContext);
KThread terminationThread = new KThread(KernelContext);
terminationThread.Initialize(0, 0, 0, 3, 0, terminationProcess, ThreadType.Kernel, () =>
{
// Force all threads to exit.
lock (KernelContext.Processes)
{
// Terminate application.
foreach (KProcess process in KernelContext.Processes.Values.Where(x => x.Flags.HasFlag(ProcessCreationFlags.IsApplication)))
{
process.Terminate();
}
// The application existed, now surface flinger can exit too.
SurfaceFlinger.Dispose();
// Terminate HLE services (must be done after the application is already terminated,
// otherwise the application will receive errors due to service termination.
foreach (KProcess process in KernelContext.Processes.Values.Where(x => !x.Flags.HasFlag(ProcessCreationFlags.IsApplication)))
{
process.Terminate();
}
}
// Exit ourself now!
KernelStatic.GetCurrentThread().Exit();
});
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();
AudioManager.Dispose();
AudioOutputManager.Dispose();
AudioInputManager.Dispose();
AudioRendererManager.Dispose();
KernelContext.Dispose();
}
}
public KernelResult InitializeThread(
KThread thread,
ulong entrypoint,
ulong argsPtr,
ulong stackTop,
int priority,
int cpuCore)
{
lock (_processLock)
{
return(thread.Initialize(entrypoint, argsPtr, stackTop, priority, cpuCore, this));
}
}
protected virtual void Dispose(bool disposing)
{
if (!_isDisposed && disposing)
{
ConfigurationState.Instance.System.EnableDockedMode.Event -= OnDockedModeChange;
_isDisposed = true;
SurfaceFlinger.Dispose();
KProcess terminationProcess = new KProcess(KernelContext);
KThread terminationThread = new KThread(KernelContext);
terminationThread.Initialize(0, 0, 0, 3, 0, terminationProcess, ThreadType.Kernel, () =>
{
// Force all threads to exit.
lock (KernelContext.Processes)
{
foreach (KProcess process in KernelContext.Processes.Values)
{
process.Terminate();
}
}
// Exit ourself now!
KernelContext.Scheduler.ExitThread(terminationThread);
KernelContext.Scheduler.GetCurrentThread().Exit();
KernelContext.Scheduler.RemoveThread(terminationThread);
});
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();
AudioRendererManager.Dispose();
KernelContext.Dispose();
}
}
public KernelResult InitializeThread(
KThread thread,
ulong entrypoint,
ulong argsPtr,
ulong stackTop,
int priority,
int cpuCore,
ThreadStart customThreadStart = null)
{
lock (_processLock)
{
return(thread.Initialize(entrypoint, argsPtr, stackTop, priority, cpuCore, this, ThreadType.User, customThreadStart));
}
}
protected virtual void Dispose(bool disposing)
{
if (!_isDisposed && disposing)
{
ConfigurationState.Instance.System.EnableDockedMode.Event -= OnDockedModeChange;
_isDisposed = true;
SurfaceFlinger.Dispose();
KProcess terminationProcess = new KProcess(KernelContext);
KThread terminationThread = new KThread(KernelContext);
terminationThread.Initialize(0, 0, 0, 3, 0, terminationProcess, ThreadType.Kernel, () =>
{
// Force all threads to exit.
lock (KernelContext.Processes)
{
foreach (KProcess process in KernelContext.Processes.Values)
{
process.Terminate();
}
}
// Exit ourself now!
KernelContext.Scheduler.ExitThread(terminationThread);
KernelContext.Scheduler.GetCurrentThread().Exit();
KernelContext.Scheduler.RemoveThread(terminationThread);
});
terminationThread.Start();
// 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();
}
}
public KernelResult Start(int mainThreadPriority, ulong stackSize)
{
lock (_processLock)
{
if (_state > ProcessState.CreatedAttached)
{
return(KernelResult.InvalidState);
}
if (ResourceLimit != null && !ResourceLimit.Reserve(LimitableResource.Thread, 1))
{
return(KernelResult.ResLimitExceeded);
}
KResourceLimit threadResourceLimit = ResourceLimit;
KResourceLimit memoryResourceLimit = null;
if (_mainThreadStackSize != 0)
{
throw new InvalidOperationException("Trying to start a process with a invalid state!");
}
ulong stackSizeRounded = BitUtils.AlignUp(stackSize, KMemoryManager.PageSize);
ulong neededSize = stackSizeRounded + _imageSize;
// Check if the needed size for the code and the stack will fit on the
// memory usage capacity of this Process. Also check for possible overflow
// on the above addition.
if (neededSize > _memoryUsageCapacity ||
neededSize < stackSizeRounded)
{
threadResourceLimit?.Release(LimitableResource.Thread, 1);
return(KernelResult.OutOfMemory);
}
if (stackSizeRounded != 0 && ResourceLimit != null)
{
memoryResourceLimit = ResourceLimit;
if (!memoryResourceLimit.Reserve(LimitableResource.Memory, stackSizeRounded))
{
threadResourceLimit?.Release(LimitableResource.Thread, 1);
return(KernelResult.ResLimitExceeded);
}
}
KernelResult result;
KThread mainThread = null;
ulong stackTop = 0;
void CleanUpForError()
{
HandleTable.Destroy();
mainThread?.DecrementReferenceCount();
if (_mainThreadStackSize != 0)
{
ulong stackBottom = stackTop - _mainThreadStackSize;
ulong stackPagesCount = _mainThreadStackSize / KMemoryManager.PageSize;
MemoryManager.UnmapForKernel(stackBottom, stackPagesCount, MemoryState.Stack);
_mainThreadStackSize = 0;
}
memoryResourceLimit?.Release(LimitableResource.Memory, stackSizeRounded);
threadResourceLimit?.Release(LimitableResource.Thread, 1);
}
if (stackSizeRounded != 0)
{
ulong stackPagesCount = stackSizeRounded / KMemoryManager.PageSize;
ulong regionStart = MemoryManager.StackRegionStart;
ulong regionSize = MemoryManager.StackRegionEnd - regionStart;
ulong regionPagesCount = regionSize / KMemoryManager.PageSize;
result = MemoryManager.AllocateOrMapPa(
stackPagesCount,
KMemoryManager.PageSize,
0,
false,
regionStart,
regionPagesCount,
MemoryState.Stack,
MemoryPermission.ReadAndWrite,
out ulong stackBottom);
if (result != KernelResult.Success)
{
CleanUpForError();
return(result);
}
_mainThreadStackSize += stackSizeRounded;
stackTop = stackBottom + stackSizeRounded;
}
ulong heapCapacity = _memoryUsageCapacity - _mainThreadStackSize - _imageSize;
result = MemoryManager.SetHeapCapacity(heapCapacity);
if (result != KernelResult.Success)
{
CleanUpForError();
return(result);
}
HandleTable = new KHandleTable(System);
result = HandleTable.Initialize(Capabilities.HandleTableSize);
if (result != KernelResult.Success)
{
CleanUpForError();
return(result);
}
mainThread = new KThread(System);
result = mainThread.Initialize(
_entrypoint,
0,
stackTop,
mainThreadPriority,
DefaultCpuCore,
this);
if (result != KernelResult.Success)
{
CleanUpForError();
return(result);
}
result = HandleTable.GenerateHandle(mainThread, out int mainThreadHandle);
if (result != KernelResult.Success)
{
CleanUpForError();
return(result);
}
mainThread.SetEntryArguments(0, mainThreadHandle);
ProcessState oldState = _state;
ProcessState newState = _state != ProcessState.Created
? ProcessState.Attached
: ProcessState.Started;
SetState(newState);
// TODO: We can't call KThread.Start from a non-guest thread.
// We will need to make some changes to allow the creation of
// dummy threads that will be used to initialize the current
// thread on KCoreContext so that GetCurrentThread doesn't fail.
/* Result = MainThread.Start();
*
* if (Result != KernelResult.Success)
* {
* SetState(OldState);
*
* CleanUpForError();
* } */
mainThread.Reschedule(ThreadSchedState.Running);
if (result == KernelResult.Success)
{
mainThread.IncrementReferenceCount();
}
mainThread.DecrementReferenceCount();
return(result);
}
}
protected virtual void Dispose(bool disposing)
{
if (!_isDisposed && disposing)
{
_isDisposed = true;
// "Soft" stops AudioRenderer and AudioManager to avoid some sound between resume and stop.
if (IsPaused)
{
AudioManager.StopUpdates();
TogglePauseEmulation(false);
AudioRendererManager.StopSendingCommands();
}
KProcess terminationProcess = new KProcess(KernelContext);
KThread terminationThread = new KThread(KernelContext);
terminationThread.Initialize(0, 0, 0, 3, 0, terminationProcess, ThreadType.Kernel, () =>
{
// Force all threads to exit.
lock (KernelContext.Processes)
{
// Terminate application.
foreach (KProcess process in KernelContext.Processes.Values.Where(x => x.Flags.HasFlag(ProcessCreationFlags.IsApplication)))
{
process.Terminate();
process.DecrementReferenceCount();
}
// The application existed, now surface flinger can exit too.
SurfaceFlinger.Dispose();
// Terminate HLE services (must be done after the application is already terminated,
// otherwise the application will receive errors due to service termination).
foreach (KProcess process in KernelContext.Processes.Values.Where(x => !x.Flags.HasFlag(ProcessCreationFlags.IsApplication)))
{
process.Terminate();
process.DecrementReferenceCount();
}
KernelContext.Processes.Clear();
}
// Exit ourself now!
KernelStatic.GetCurrentThread().Exit();
});
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();
AudioManager.Dispose();
AudioOutputManager.Dispose();
AudioInputManager.Dispose();
AudioRendererManager.Dispose();
LibHacHorizonManager.AmClient.Fs.UnregisterProgram(LibHacHorizonManager.ApplicationClient.Os.GetCurrentProcessId().Value);
KernelContext.Dispose();
}
}
public KernelResult Start(int mainThreadPriority, ulong stackSize)
{
lock (_processLock)
{
if (State > ProcessState.CreatedAttached)
{
return(KernelResult.InvalidState);
}
if (ResourceLimit != null && !ResourceLimit.Reserve(LimitableResource.Thread, 1))
{
return(KernelResult.ResLimitExceeded);
}
KResourceLimit threadResourceLimit = ResourceLimit;
KResourceLimit memoryResourceLimit = null;
if (_mainThreadStackSize != 0)
{
throw new InvalidOperationException("Trying to start a process with a invalid state!");
}
ulong stackSizeRounded = BitUtils.AlignUp(stackSize, KPageTableBase.PageSize);
ulong neededSize = stackSizeRounded + _imageSize;
// Check if the needed size for the code and the stack will fit on the
// memory usage capacity of this Process. Also check for possible overflow
// on the above addition.
if (neededSize > _memoryUsageCapacity || neededSize < stackSizeRounded)
{
threadResourceLimit?.Release(LimitableResource.Thread, 1);
return(KernelResult.OutOfMemory);
}
if (stackSizeRounded != 0 && ResourceLimit != null)
{
memoryResourceLimit = ResourceLimit;
if (!memoryResourceLimit.Reserve(LimitableResource.Memory, stackSizeRounded))
{
threadResourceLimit?.Release(LimitableResource.Thread, 1);
return(KernelResult.ResLimitExceeded);
}
}
KernelResult result;
KThread mainThread = null;
ulong stackTop = 0;
void CleanUpForError()
{
HandleTable.Destroy();
mainThread?.DecrementReferenceCount();
if (_mainThreadStackSize != 0)
{
ulong stackBottom = stackTop - _mainThreadStackSize;
ulong stackPagesCount = _mainThreadStackSize / KPageTableBase.PageSize;
MemoryManager.UnmapForKernel(stackBottom, stackPagesCount, MemoryState.Stack);
_mainThreadStackSize = 0;
}
memoryResourceLimit?.Release(LimitableResource.Memory, stackSizeRounded);
threadResourceLimit?.Release(LimitableResource.Thread, 1);
}
if (stackSizeRounded != 0)
{
ulong stackPagesCount = stackSizeRounded / KPageTableBase.PageSize;
ulong regionStart = MemoryManager.StackRegionStart;
ulong regionSize = MemoryManager.StackRegionEnd - regionStart;
ulong regionPagesCount = regionSize / KPageTableBase.PageSize;
result = MemoryManager.MapPages(
stackPagesCount,
KPageTableBase.PageSize,
0,
false,
regionStart,
regionPagesCount,
MemoryState.Stack,
KMemoryPermission.ReadAndWrite,
out ulong stackBottom);
if (result != KernelResult.Success)
{
CleanUpForError();
return(result);
}
_mainThreadStackSize += stackSizeRounded;
stackTop = stackBottom + stackSizeRounded;
}
ulong heapCapacity = _memoryUsageCapacity - _mainThreadStackSize - _imageSize;
result = MemoryManager.SetHeapCapacity(heapCapacity);
if (result != KernelResult.Success)
{
CleanUpForError();
return(result);
}
HandleTable = new KHandleTable(KernelContext);
result = HandleTable.Initialize(Capabilities.HandleTableSize);
if (result != KernelResult.Success)
{
CleanUpForError();
return(result);
}
mainThread = new KThread(KernelContext);
result = mainThread.Initialize(
_entrypoint,
0,
stackTop,
mainThreadPriority,
DefaultCpuCore,
this,
ThreadType.User,
_customThreadStart);
if (result != KernelResult.Success)
{
CleanUpForError();
return(result);
}
result = HandleTable.GenerateHandle(mainThread, out int mainThreadHandle);
if (result != KernelResult.Success)
{
CleanUpForError();
return(result);
}
mainThread.SetEntryArguments(0, mainThreadHandle);
ProcessState oldState = State;
ProcessState newState = State != ProcessState.Created
? ProcessState.Attached
: ProcessState.Started;
SetState(newState);
result = mainThread.Start();
if (result != KernelResult.Success)
{
SetState(oldState);
CleanUpForError();
}
if (result == KernelResult.Success)
{
mainThread.IncrementReferenceCount();
}
mainThread.DecrementReferenceCount();
return(result);
}
}