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[HLE/Kernel] Somewhat improved sync primitives

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This commit is contained in:
gdkchan 2018-04-18 23:52:23 -03:00
parent e9a96e3522
commit b9af34f3dd
20 changed files with 408 additions and 443 deletions
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120
Ryujinx.Core/OsHle/Kernel/SvcThreadSync.cs Normal file
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using ChocolArm64.State;
using Ryujinx.Core.OsHle.Handles;
using static Ryujinx.Core.OsHle.ErrorCode;
namespace Ryujinx.Core.OsHle.Kernel
{
partial class SvcHandler
{
private void SvcArbitrateLock(AThreadState ThreadState)
{
int OwnerThreadHandle = (int)ThreadState.X0;
long MutexAddress = (long)ThreadState.X1;
int RequestingThreadHandle = (int)ThreadState.X2;
KThread OwnerThread = Process.HandleTable.GetData<KThread>(OwnerThreadHandle);
if (OwnerThread == null)
{
Logging.Warn(LogClass.KernelSvc, $"Invalid owner thread handle 0x{OwnerThreadHandle:x8}!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidHandle);
return;
}
KThread RequestingThread = Process.HandleTable.GetData<KThread>(RequestingThreadHandle);
if (RequestingThread == null)
{
Logging.Warn(LogClass.KernelSvc, $"Invalid requesting thread handle 0x{RequestingThreadHandle:x8}!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidHandle);
return;
}
MutualExclusion Mutex = GetMutex(MutexAddress);
Mutex.WaitForLock(RequestingThread, OwnerThreadHandle);
ThreadState.X0 = 0;
}
private void SvcArbitrateUnlock(AThreadState ThreadState)
{
long MutexAddress = (long)ThreadState.X0;
GetMutex(MutexAddress).Unlock();
Process.Scheduler.Yield(Process.GetThread(ThreadState.Tpidr));
ThreadState.X0 = 0;
}
private void SvcWaitProcessWideKeyAtomic(AThreadState ThreadState)
{
long MutexAddress = (long)ThreadState.X0;
long CondVarAddress = (long)ThreadState.X1;
int ThreadHandle = (int)ThreadState.X2;
long Timeout = (long)ThreadState.X3;
KThread Thread = Process.HandleTable.GetData<KThread>(ThreadHandle);
if (Thread == null)
{
Logging.Warn(LogClass.KernelSvc, $"Invalid thread handle 0x{ThreadHandle:x8}!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidHandle);
}
MutualExclusion Mutex = GetMutex(MutexAddress);
Mutex.Unlock();
if (!GetCondVar(CondVarAddress).WaitForSignal(Thread, Timeout))
{
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.Timeout);
return;
}
Mutex.WaitForLock(Thread);
ThreadState.X0 = 0;
}
private void SvcSignalProcessWideKey(AThreadState ThreadState)
{
long CondVarAddress = (long)ThreadState.X0;
int Count = (int)ThreadState.X1;
KThread CurrThread = Process.GetThread(ThreadState.Tpidr);
GetCondVar(CondVarAddress).SetSignal(CurrThread, Count);
ThreadState.X0 = 0;
}
private MutualExclusion GetMutex(long MutexAddress)
{
MutualExclusion MutexFactory(long Key)
{
return new MutualExclusion(Process, MutexAddress);
}
return Mutexes.GetOrAdd(MutexAddress, MutexFactory);
}
private ConditionVariable GetCondVar(long CondVarAddress)
{
ConditionVariable CondVarFactory(long Key)
{
return new ConditionVariable(Process, CondVarAddress);
}
return CondVars.GetOrAdd(CondVarAddress, CondVarFactory);
}
}
}