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Improve kernel IPC related syscalls (#1379)

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* Implement session count decrement when the handle is closed

* Remove unused field

* Implement SendSyncRequestWithUserBuffer, SendAsyncRequestWithUserBuffer and ReplyAndReceiveWithUserBuffer syscalls

* Nits

* Fix swapped copy dst/src

* Add missing pointer buffer descriptor write on reply

* Fix IPC unaligned buffer copy and restoring client attributes on reply

* Oops

* Fix SetIpcMappingPermission

* Fix unaligned copy bugs

* Free memory used for temporary IPC buffers
This commit is contained in:
gdkchan 2020-07-17 01:19:07 -03:00 • committed by GitHub
parent 46f8cef6a9
commit 9f6b24edfd
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14 changed files with 705 additions and 247 deletions
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34
Ryujinx.HLE/HOS/Kernel/Ipc/KClientSession.cs
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@ -13,18 +13,22 @@ namespace Ryujinx.HLE.HOS.Kernel.Ipc
public ChannelState State { get; set; }
public KClientPort ParentPort { get; }
// TODO: Remove that, we need it for now to allow HLE
// services implementation to work with the new IPC system.
public IpcService Service { get; set; }
public KClientSession(KernelContext context, KSession parent) : base(context)
public KClientSession(KernelContext context, KSession parent, KClientPort parentPort) : base(context)
{
_parent = parent;
_parent = parent;
ParentPort = parentPort;
parentPort?.IncrementReferenceCount();
State = ChannelState.Open;
CreatorProcess = context.Scheduler.GetCurrentProcess();
CreatorProcess.IncrementReferenceCount();
}
@ -51,6 +55,30 @@ namespace Ryujinx.HLE.HOS.Kernel.Ipc
return result;
}
public KernelResult SendAsyncRequest(KWritableEvent asyncEvent, ulong customCmdBuffAddr = 0, ulong customCmdBuffSize = 0)
{
KThread currentThread = KernelContext.Scheduler.GetCurrentThread();
KSessionRequest request = new KSessionRequest(currentThread, customCmdBuffAddr, customCmdBuffSize, asyncEvent);
KernelContext.CriticalSection.Enter();
KernelResult result = _parent.ServerSession.EnqueueRequest(request);
KernelContext.CriticalSection.Leave();
return result;
}
public void DisconnectFromPort()
{
if (ParentPort != null)
{
ParentPort.Disconnect();
ParentPort.DecrementReferenceCount();
}
}
protected override void Destroy()
{
_parent.DisconnectClient();