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https://github.com/Ryujinx/Ryujinx.git
synced 2024-09-17 08:44:49 +02:00
Update KAddressArbiter implementation to 11.x kernel (#1851)
* Update KAddressArbiter implementation to 11.x kernel * InsertSortedByPriority is no longer needed
This commit is contained in:
gdkchan
GitHub
parent
0a55657bd2
commit
532b8cad13
@ -1,5 +1,6 @@
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using Ryujinx.HLE.HOS.Kernel.Common;
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using Ryujinx.HLE.HOS.Kernel.Process;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading;
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@ -83,7 +84,14 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
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KThread currentThread = KernelStatic.GetCurrentThread();
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(KernelResult result, KThread newOwnerThread) = MutexUnlock(currentThread, mutexAddress);
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(int mutexValue, KThread newOwnerThread) = MutexUnlock(currentThread, mutexAddress);
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KernelResult result = KernelResult.Success;
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if (!KernelTransfer.KernelToUserInt32(_context, mutexAddress, mutexValue))
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{
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result = KernelResult.InvalidMemState;
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}
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if (result != KernelResult.Success && newOwnerThread != null)
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{
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@ -96,11 +104,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
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return result;
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}
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public KernelResult WaitProcessWideKeyAtomic(
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ulong mutexAddress,
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ulong condVarAddress,
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int threadHandle,
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long timeout)
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public KernelResult WaitProcessWideKeyAtomic(ulong mutexAddress, ulong condVarAddress, int threadHandle, long timeout)
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{
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_context.CriticalSection.Enter();
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@ -117,13 +121,15 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
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return KernelResult.ThreadTerminating;
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}
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(KernelResult result, _) = MutexUnlock(currentThread, mutexAddress);
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(int mutexValue, _) = MutexUnlock(currentThread, mutexAddress);
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if (result != KernelResult.Success)
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KernelTransfer.KernelToUserInt32(_context, condVarAddress, 1);
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if (!KernelTransfer.KernelToUserInt32(_context, mutexAddress, mutexValue))
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{
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_context.CriticalSection.Leave();
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return result;
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return KernelResult.InvalidMemState;
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}
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currentThread.MutexAddress = mutexAddress;
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@ -163,7 +169,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
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return currentThread.ObjSyncResult;
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}
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private (KernelResult, KThread) MutexUnlock(KThread currentThread, ulong mutexAddress)
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private (int, KThread) MutexUnlock(KThread currentThread, ulong mutexAddress)
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{
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KThread newOwnerThread = currentThread.RelinquishMutex(mutexAddress, out int count);
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@ -184,46 +190,24 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
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newOwnerThread.ReleaseAndResume();
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}
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KernelResult result = KernelResult.Success;
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if (!KernelTransfer.KernelToUserInt32(_context, mutexAddress, mutexValue))
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{
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result = KernelResult.InvalidMemState;
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}
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return (result, newOwnerThread);
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return (mutexValue, newOwnerThread);
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}
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public void SignalProcessWideKey(ulong address, int count)
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{
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Queue<KThread> signaledThreads = new Queue<KThread>();
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_context.CriticalSection.Enter();
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IOrderedEnumerable<KThread> sortedThreads = _condVarThreads.OrderBy(x => x.DynamicPriority);
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WakeThreads(_condVarThreads, count, TryAcquireMutex, x => x.CondVarAddress == address);
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foreach (KThread thread in sortedThreads.Where(x => x.CondVarAddress == address))
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if (!_condVarThreads.Any(x => x.CondVarAddress == address))
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{
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TryAcquireMutex(thread);
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signaledThreads.Enqueue(thread);
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// If the count is <= 0, we should signal all threads waiting.
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if (count >= 1 && --count == 0)
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{
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break;
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}
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}
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while (signaledThreads.TryDequeue(out KThread thread))
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{
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_condVarThreads.Remove(thread);
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KernelTransfer.KernelToUserInt32(_context, address, 0);
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}
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_context.CriticalSection.Leave();
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}
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private KThread TryAcquireMutex(KThread requester)
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private static void TryAcquireMutex(KThread requester)
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{
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ulong address = requester.MutexAddress;
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@ -235,7 +219,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
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requester.SignaledObj = null;
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requester.ObjSyncResult = KernelResult.InvalidMemState;
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return null;
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return;
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}
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ref int mutexRef = ref currentProcess.CpuMemory.GetRef<int>(address);
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@ -267,7 +251,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
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requester.ReleaseAndResume();
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return null;
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return;
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}
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mutexValue &= ~HasListenersMask;
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@ -287,8 +271,6 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
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requester.ReleaseAndResume();
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}
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return mutexOwner;
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}
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public KernelResult WaitForAddressIfEqual(ulong address, int value, long timeout)
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@ -327,7 +309,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
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currentThread.MutexAddress = address;
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currentThread.WaitingInArbitration = true;
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InsertSortedByPriority(_arbiterThreads, currentThread);
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_arbiterThreads.Add(currentThread);
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currentThread.Reschedule(ThreadSchedState.Paused);
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@ -362,11 +344,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
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return KernelResult.InvalidState;
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}
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public KernelResult WaitForAddressIfLessThan(
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ulong address,
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int value,
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bool shouldDecrement,
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long timeout)
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public KernelResult WaitForAddressIfLessThan(ulong address, int value, bool shouldDecrement, long timeout)
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{
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KThread currentThread = KernelStatic.GetCurrentThread();
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@ -409,7 +387,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
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currentThread.MutexAddress = address;
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currentThread.WaitingInArbitration = true;
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InsertSortedByPriority(_arbiterThreads, currentThread);
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_arbiterThreads.Add(currentThread);
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currentThread.Reschedule(ThreadSchedState.Paused);
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@ -444,30 +422,6 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
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return KernelResult.InvalidState;
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}
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private void InsertSortedByPriority(List<KThread> threads, KThread thread)
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{
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int nextIndex = -1;
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for (int index = 0; index < threads.Count; index++)
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{
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if (threads[index].DynamicPriority > thread.DynamicPriority)
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{
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nextIndex = index;
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break;
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}
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}
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if (nextIndex != -1)
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{
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threads.Insert(nextIndex, thread);
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}
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else
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{
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threads.Add(thread);
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}
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}
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public KernelResult Signal(ulong address, int count)
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{
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_context.CriticalSection.Enter();
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@ -520,7 +474,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
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{
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_context.CriticalSection.Enter();
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int offset;
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int addend;
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// The value is decremented if the number of threads waiting is less
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// or equal to the Count of threads to be signaled, or Count is zero
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@ -529,7 +483,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
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foreach (KThread thread in _arbiterThreads.Where(x => x.MutexAddress == address))
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{
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if (++waitingCount > count)
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if (++waitingCount >= count)
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{
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break;
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}
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@ -537,11 +491,22 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
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if (waitingCount > 0)
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{
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offset = waitingCount <= count || count <= 0 ? -1 : 0;
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if (count <= 0)
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{
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addend = -2;
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}
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else if (waitingCount < count)
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{
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addend = -1;
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}
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else
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{
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addend = 0;
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}
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}
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else
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{
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offset = 1;
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addend = 1;
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}
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KProcess currentProcess = KernelStatic.GetCurrentProcess();
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@ -568,7 +533,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
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return KernelResult.InvalidState;
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}
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}
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while (Interlocked.CompareExchange(ref valueRef, currentValue + offset, currentValue) != currentValue);
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while (Interlocked.CompareExchange(ref valueRef, currentValue + addend, currentValue) != currentValue);
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WakeArbiterThreads(address, count);
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@ -579,20 +544,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
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private void WakeArbiterThreads(ulong address, int count)
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{
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Queue<KThread> signaledThreads = new Queue<KThread>();
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foreach (KThread thread in _arbiterThreads.Where(x => x.MutexAddress == address))
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{
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signaledThreads.Enqueue(thread);
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// If the count is <= 0, we should signal all threads waiting.
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if (count >= 1 && --count == 0)
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{
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break;
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}
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}
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while (signaledThreads.TryDequeue(out KThread thread))
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static void RemoveArbiterThread(KThread thread)
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{
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thread.SignaledObj = null;
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thread.ObjSyncResult = KernelResult.Success;
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@ -600,8 +552,24 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
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thread.ReleaseAndResume();
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thread.WaitingInArbitration = false;
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}
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_arbiterThreads.Remove(thread);
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WakeThreads(_arbiterThreads, count, RemoveArbiterThread, x => x.MutexAddress == address);
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}
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private static void WakeThreads(
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List<KThread> threads,
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int count,
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Action<KThread> removeCallback,
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Func<KThread, bool> predicate)
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{
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var candidates = threads.Where(predicate).OrderBy(x => x.DynamicPriority);
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var toSignal = (count > 0 ? candidates.Take(count) : candidates).ToArray();
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foreach (KThread thread in toSignal)
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{
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removeCallback(thread);
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threads.Remove(thread);
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}
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}
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}
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