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Made initial implementation of the thread scheduler, refactor Svc to avoid passing many arguments

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This commit is contained in:
gdkchan 2018-02-13 23:43:08 -03:00
parent 598d1fd3ae
commit f68696dc4a
19 changed files with 740 additions and 252 deletions
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69
Ryujinx/OsHle/Mutex.cs
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@ -1,5 +1,6 @@
using ChocolArm64;
using ChocolArm64.Memory;
using Ryujinx.OsHle.Handles;
using System.Collections.Concurrent;
using System.Threading;
namespace Ryujinx.OsHle
@ -8,33 +9,31 @@ namespace Ryujinx.OsHle
{
private const int MutexHasListenersMask = 0x40000000;
private AMemory Memory;
private Process Process;
private long MutexAddress;
private int CurrRequestingThreadHandle;
private int HighestPriority;
private ManualResetEvent ThreadEvent;
private object EnterWaitLock;
public Mutex(AMemory Memory, long MutexAddress)
private ConcurrentQueue<HThread> WaitingThreads;
public Mutex(Process Process, long MutexAddress, int OwnerThreadHandle)
{
this.Memory = Memory;
this.Process = Process;
this.MutexAddress = MutexAddress;
ThreadEvent = new ManualResetEvent(false);
//Process.Memory.WriteInt32(MutexAddress, OwnerThreadHandle);
EnterWaitLock = new object();
WaitingThreads = new ConcurrentQueue<HThread>();
}
public void WaitForLock(AThread RequestingThread, int RequestingThreadHandle)
public void WaitForLock(HThread RequestingThread, int RequestingThreadHandle)
{
lock (EnterWaitLock)
{
int CurrentThreadHandle = Memory.ReadInt32(MutexAddress) & ~MutexHasListenersMask;
{
int CurrentThreadHandle = ReadMutexValue() & ~MutexHasListenersMask;
if (CurrentThreadHandle == RequestingThreadHandle ||
CurrentThreadHandle == 0)
@ -42,23 +41,19 @@ namespace Ryujinx.OsHle
return;
}
if (CurrRequestingThreadHandle == 0 || RequestingThread.Priority < HighestPriority)
{
CurrRequestingThreadHandle = RequestingThreadHandle;
WriteMutexValue(CurrentThreadHandle | MutexHasListenersMask);
HighestPriority = RequestingThread.Priority;
}
WaitingThreads.Enqueue(RequestingThread);
}
ThreadEvent.Reset();
ThreadEvent.WaitOne();
Process.Scheduler.WaitForSignal(RequestingThread);
}
public void GiveUpLock(int ThreadHandle)
{
lock (EnterWaitLock)
{
int CurrentThread = Memory.ReadInt32(MutexAddress) & ~MutexHasListenersMask;
int CurrentThread = ReadMutexValue() & ~MutexHasListenersMask;
if (CurrentThread == ThreadHandle)
{
@ -71,19 +66,31 @@ namespace Ryujinx.OsHle
{
lock (EnterWaitLock)
{
if (CurrRequestingThreadHandle != 0)
int HasListeners = WaitingThreads.Count > 1 ? MutexHasListenersMask : 0;
WriteMutexValue(HasListeners);
HThread[] UnlockedThreads = new HThread[WaitingThreads.Count];
int Index = 0;
while (WaitingThreads.TryDequeue(out HThread Thread))
{
Memory.WriteInt32(MutexAddress, CurrRequestingThreadHandle);
}
else
{
Memory.WriteInt32(MutexAddress, 0);
UnlockedThreads[Index++] = Thread;
}
CurrRequestingThreadHandle = 0;
ThreadEvent.Set();
Process.Scheduler.Signal(UnlockedThreads);
}
}
private int ReadMutexValue()
{
return AMemoryHelper.ReadInt32Exclusive(Process.Memory, MutexAddress);
}
private void WriteMutexValue(int Value)
{
AMemoryHelper.WriteInt32Exclusive(Process.Memory, MutexAddress, Value);
}
}
}