mirror of
https://github.com/ryujinx-mirror/ryujinx.git
synced 2024-12-24 01:45:46 +00:00
521751795a
* Some style fixes and nits on ITimeZoneService * Remove some unneeded usings * Remove the Ryujinx.HLE.OsHle.Handles namespace * Remove hbmenu automatic load on process exit * Rename Ns to Device, rename Os to System, rename SystemState to State * Move Exceptions and Utilities out of OsHle * Rename OsHle to HOS * Rename OsHle folder to HOS * IManagerDisplayService and ISystemDisplayService style fixes * BsdError shouldn't be public * Add a empty new line before using static * Remove unused file * Some style fixes on NPDM * Exit gracefully when the application is closed * Code style fixes on IGeneralService * Add 0x prefix on values printed as hex * Small improvements on finalization code * Move ProcessId and ThreadId out of AThreadState * Rename VFs to FileSystem * FsAccessHeader shouldn't be public. Also fix file names casing * More case changes on NPDM * Remove unused files * Move using to the correct place on NPDM * Use properties on KernelAccessControlMmio * Address PR feedback
523 lines
No EOL
18 KiB
C#
523 lines
No EOL
18 KiB
C#
using ChocolArm64.State;
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using Ryujinx.HLE.Logging;
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using System;
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using static Ryujinx.HLE.HOS.ErrorCode;
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namespace Ryujinx.HLE.HOS.Kernel
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{
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partial class SvcHandler
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{
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private const int MutexHasListenersMask = 0x40000000;
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private void SvcArbitrateLock(AThreadState ThreadState)
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{
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int OwnerThreadHandle = (int)ThreadState.X0;
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long MutexAddress = (long)ThreadState.X1;
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int WaitThreadHandle = (int)ThreadState.X2;
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Device.Log.PrintDebug(LogClass.KernelSvc,
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"OwnerThreadHandle = 0x" + OwnerThreadHandle.ToString("x8") + ", " +
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"MutexAddress = 0x" + MutexAddress .ToString("x16") + ", " +
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"WaitThreadHandle = 0x" + WaitThreadHandle .ToString("x8"));
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if (IsPointingInsideKernel(MutexAddress))
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{
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Device.Log.PrintWarning(LogClass.KernelSvc, $"Invalid mutex address 0x{MutexAddress:x16}!");
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ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.NoAccessPerm);
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return;
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}
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if (IsAddressNotWordAligned(MutexAddress))
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{
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Device.Log.PrintWarning(LogClass.KernelSvc, $"Unaligned mutex address 0x{MutexAddress:x16}!");
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ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidAddress);
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return;
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}
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KThread OwnerThread = Process.HandleTable.GetData<KThread>(OwnerThreadHandle);
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if (OwnerThread == null)
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{
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Device.Log.PrintWarning(LogClass.KernelSvc, $"Invalid owner thread handle 0x{OwnerThreadHandle:x8}!");
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ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidHandle);
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return;
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}
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KThread WaitThread = Process.HandleTable.GetData<KThread>(WaitThreadHandle);
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if (WaitThread == null)
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{
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Device.Log.PrintWarning(LogClass.KernelSvc, $"Invalid requesting thread handle 0x{WaitThreadHandle:x8}!");
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ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidHandle);
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return;
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}
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KThread CurrThread = Process.GetThread(ThreadState.Tpidr);
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MutexLock(CurrThread, WaitThread, OwnerThreadHandle, WaitThreadHandle, MutexAddress);
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ThreadState.X0 = 0;
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}
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private void SvcArbitrateUnlock(AThreadState ThreadState)
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{
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long MutexAddress = (long)ThreadState.X0;
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Device.Log.PrintDebug(LogClass.KernelSvc, "MutexAddress = 0x" + MutexAddress.ToString("x16"));
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if (IsPointingInsideKernel(MutexAddress))
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{
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Device.Log.PrintWarning(LogClass.KernelSvc, $"Invalid mutex address 0x{MutexAddress:x16}!");
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ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.NoAccessPerm);
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return;
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}
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if (IsAddressNotWordAligned(MutexAddress))
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{
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Device.Log.PrintWarning(LogClass.KernelSvc, $"Unaligned mutex address 0x{MutexAddress:x16}!");
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ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidAddress);
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return;
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}
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MutexUnlock(Process.GetThread(ThreadState.Tpidr), MutexAddress);
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ThreadState.X0 = 0;
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}
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private void SvcWaitProcessWideKeyAtomic(AThreadState ThreadState)
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{
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long MutexAddress = (long)ThreadState.X0;
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long CondVarAddress = (long)ThreadState.X1;
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int ThreadHandle = (int)ThreadState.X2;
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ulong Timeout = ThreadState.X3;
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Device.Log.PrintDebug(LogClass.KernelSvc,
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"MutexAddress = 0x" + MutexAddress .ToString("x16") + ", " +
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"CondVarAddress = 0x" + CondVarAddress.ToString("x16") + ", " +
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"ThreadHandle = 0x" + ThreadHandle .ToString("x8") + ", " +
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"Timeout = 0x" + Timeout .ToString("x16"));
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if (IsPointingInsideKernel(MutexAddress))
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{
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Device.Log.PrintWarning(LogClass.KernelSvc, $"Invalid mutex address 0x{MutexAddress:x16}!");
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ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.NoAccessPerm);
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return;
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}
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if (IsAddressNotWordAligned(MutexAddress))
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{
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Device.Log.PrintWarning(LogClass.KernelSvc, $"Unaligned mutex address 0x{MutexAddress:x16}!");
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ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidAddress);
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return;
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}
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KThread Thread = Process.HandleTable.GetData<KThread>(ThreadHandle);
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if (Thread == null)
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{
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Device.Log.PrintWarning(LogClass.KernelSvc, $"Invalid thread handle 0x{ThreadHandle:x8}!");
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ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidHandle);
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return;
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}
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KThread WaitThread = Process.GetThread(ThreadState.Tpidr);
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if (!CondVarWait(WaitThread, ThreadHandle, MutexAddress, CondVarAddress, Timeout))
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{
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ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.Timeout);
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return;
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}
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ThreadState.X0 = 0;
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}
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private void SvcSignalProcessWideKey(AThreadState ThreadState)
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{
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long CondVarAddress = (long)ThreadState.X0;
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int Count = (int)ThreadState.X1;
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Device.Log.PrintDebug(LogClass.KernelSvc,
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"CondVarAddress = 0x" + CondVarAddress.ToString("x16") + ", " +
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"Count = 0x" + Count .ToString("x8"));
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KThread CurrThread = Process.GetThread(ThreadState.Tpidr);
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CondVarSignal(ThreadState, CurrThread, CondVarAddress, Count);
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ThreadState.X0 = 0;
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}
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private void MutexLock(
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KThread CurrThread,
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KThread WaitThread,
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int OwnerThreadHandle,
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int WaitThreadHandle,
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long MutexAddress)
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{
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lock (Process.ThreadSyncLock)
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{
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int MutexValue = Memory.ReadInt32(MutexAddress);
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Device.Log.PrintDebug(LogClass.KernelSvc, "MutexValue = 0x" + MutexValue.ToString("x8"));
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if (MutexValue != (OwnerThreadHandle | MutexHasListenersMask))
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{
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return;
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}
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CurrThread.WaitHandle = WaitThreadHandle;
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CurrThread.MutexAddress = MutexAddress;
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InsertWaitingMutexThreadUnsafe(OwnerThreadHandle, WaitThread);
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}
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Device.Log.PrintDebug(LogClass.KernelSvc, "Entering wait state...");
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Process.Scheduler.EnterWait(CurrThread);
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}
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private void SvcWaitForAddress(AThreadState ThreadState)
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{
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long Address = (long)ThreadState.X0;
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ArbitrationType Type = (ArbitrationType)ThreadState.X1;
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int Value = (int)ThreadState.X2;
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ulong Timeout = ThreadState.X3;
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Device.Log.PrintDebug(LogClass.KernelSvc,
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"Address = 0x" + Address.ToString("x16") + ", " +
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"ArbitrationType = 0x" + Type .ToString() + ", " +
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"Value = 0x" + Value .ToString("x8") + ", " +
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"Timeout = 0x" + Timeout.ToString("x16"));
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if (IsPointingInsideKernel(Address))
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{
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Device.Log.PrintWarning(LogClass.KernelSvc, $"Invalid address 0x{Address:x16}!");
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ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.NoAccessPerm);
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return;
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}
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if (IsAddressNotWordAligned(Address))
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{
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Device.Log.PrintWarning(LogClass.KernelSvc, $"Unaligned address 0x{Address:x16}!");
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ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidAddress);
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return;
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}
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switch (Type)
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{
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case ArbitrationType.WaitIfLessThan:
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ThreadState.X0 = AddressArbiter.WaitForAddressIfLessThan(Process, ThreadState, Memory, Address, Value, Timeout, false);
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break;
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case ArbitrationType.DecrementAndWaitIfLessThan:
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ThreadState.X0 = AddressArbiter.WaitForAddressIfLessThan(Process, ThreadState, Memory, Address, Value, Timeout, true);
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break;
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case ArbitrationType.WaitIfEqual:
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ThreadState.X0 = AddressArbiter.WaitForAddressIfEqual(Process, ThreadState, Memory, Address, Value, Timeout);
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break;
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default:
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ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidEnumValue);
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break;
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}
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}
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private void MutexUnlock(KThread CurrThread, long MutexAddress)
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{
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lock (Process.ThreadSyncLock)
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{
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//This is the new thread that will now own the mutex.
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//If no threads are waiting for the lock, then it should be null.
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(KThread OwnerThread, int Count) = PopMutexThreadUnsafe(CurrThread, MutexAddress);
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if (OwnerThread == CurrThread)
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{
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throw new InvalidOperationException();
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}
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if (OwnerThread != null)
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{
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//Remove all waiting mutex from the old owner,
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//and insert then on the new owner.
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UpdateMutexOwnerUnsafe(CurrThread, OwnerThread, MutexAddress);
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CurrThread.UpdatePriority();
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int HasListeners = Count >= 2 ? MutexHasListenersMask : 0;
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Memory.WriteInt32ToSharedAddr(MutexAddress, HasListeners | OwnerThread.WaitHandle);
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OwnerThread.WaitHandle = 0;
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OwnerThread.MutexAddress = 0;
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OwnerThread.CondVarAddress = 0;
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OwnerThread.MutexOwner = null;
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OwnerThread.UpdatePriority();
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Process.Scheduler.WakeUp(OwnerThread);
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Device.Log.PrintDebug(LogClass.KernelSvc, "Gave mutex to thread id " + OwnerThread.ThreadId + "!");
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}
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else
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{
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Memory.WriteInt32ToSharedAddr(MutexAddress, 0);
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Device.Log.PrintDebug(LogClass.KernelSvc, "No threads waiting mutex!");
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}
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}
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}
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private bool CondVarWait(
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KThread WaitThread,
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int WaitThreadHandle,
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long MutexAddress,
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long CondVarAddress,
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ulong Timeout)
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{
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WaitThread.WaitHandle = WaitThreadHandle;
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WaitThread.MutexAddress = MutexAddress;
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WaitThread.CondVarAddress = CondVarAddress;
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lock (Process.ThreadSyncLock)
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{
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MutexUnlock(WaitThread, MutexAddress);
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WaitThread.CondVarSignaled = false;
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Process.ThreadArbiterList.Add(WaitThread);
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}
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Device.Log.PrintDebug(LogClass.KernelSvc, "Entering wait state...");
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if (Timeout != ulong.MaxValue)
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{
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Process.Scheduler.EnterWait(WaitThread, NsTimeConverter.GetTimeMs(Timeout));
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lock (Process.ThreadSyncLock)
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{
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if (!WaitThread.CondVarSignaled || WaitThread.MutexOwner != null)
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{
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if (WaitThread.MutexOwner != null)
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{
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WaitThread.MutexOwner.MutexWaiters.Remove(WaitThread);
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WaitThread.MutexOwner.UpdatePriority();
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WaitThread.MutexOwner = null;
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}
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Process.ThreadArbiterList.Remove(WaitThread);
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Device.Log.PrintDebug(LogClass.KernelSvc, "Timed out...");
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return false;
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}
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}
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}
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else
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{
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Process.Scheduler.EnterWait(WaitThread);
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}
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return true;
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}
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private void CondVarSignal(
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AThreadState ThreadState,
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KThread CurrThread,
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long CondVarAddress,
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int Count)
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{
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lock (Process.ThreadSyncLock)
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{
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while (Count == -1 || Count-- > 0)
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{
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KThread WaitThread = PopCondVarThreadUnsafe(CondVarAddress);
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if (WaitThread == null)
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{
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Device.Log.PrintDebug(LogClass.KernelSvc, "No more threads to wake up!");
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break;
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}
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WaitThread.CondVarSignaled = true;
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long MutexAddress = WaitThread.MutexAddress;
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Memory.SetExclusive(ThreadState, MutexAddress);
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int MutexValue = Memory.ReadInt32(MutexAddress);
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while (MutexValue != 0)
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{
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if (Memory.TestExclusive(ThreadState, MutexAddress))
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{
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//Wait until the lock is released.
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InsertWaitingMutexThreadUnsafe(MutexValue & ~MutexHasListenersMask, WaitThread);
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Memory.WriteInt32(MutexAddress, MutexValue | MutexHasListenersMask);
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Memory.ClearExclusiveForStore(ThreadState);
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break;
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}
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Memory.SetExclusive(ThreadState, MutexAddress);
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MutexValue = Memory.ReadInt32(MutexAddress);
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}
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Device.Log.PrintDebug(LogClass.KernelSvc, "MutexValue = 0x" + MutexValue.ToString("x8"));
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if (MutexValue == 0)
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{
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//Give the lock to this thread.
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Memory.WriteInt32ToSharedAddr(MutexAddress, WaitThread.WaitHandle);
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WaitThread.WaitHandle = 0;
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WaitThread.MutexAddress = 0;
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WaitThread.CondVarAddress = 0;
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WaitThread.MutexOwner?.UpdatePriority();
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WaitThread.MutexOwner = null;
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Process.Scheduler.WakeUp(WaitThread);
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}
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}
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}
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}
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private void UpdateMutexOwnerUnsafe(KThread CurrThread, KThread NewOwner, long MutexAddress)
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{
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//Go through all threads waiting for the mutex,
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//and update the MutexOwner field to point to the new owner.
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for (int Index = 0; Index < CurrThread.MutexWaiters.Count; Index++)
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{
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KThread Thread = CurrThread.MutexWaiters[Index];
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if (Thread.MutexAddress == MutexAddress)
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{
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CurrThread.MutexWaiters.RemoveAt(Index--);
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InsertWaitingMutexThreadUnsafe(NewOwner, Thread);
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}
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}
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}
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private void InsertWaitingMutexThreadUnsafe(int OwnerThreadHandle, KThread WaitThread)
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{
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KThread OwnerThread = Process.HandleTable.GetData<KThread>(OwnerThreadHandle);
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if (OwnerThread == null)
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{
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Device.Log.PrintWarning(LogClass.KernelSvc, $"Invalid thread handle 0x{OwnerThreadHandle:x8}!");
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return;
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}
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InsertWaitingMutexThreadUnsafe(OwnerThread, WaitThread);
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}
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private void InsertWaitingMutexThreadUnsafe(KThread OwnerThread, KThread WaitThread)
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{
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WaitThread.MutexOwner = OwnerThread;
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if (!OwnerThread.MutexWaiters.Contains(WaitThread))
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{
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OwnerThread.MutexWaiters.Add(WaitThread);
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OwnerThread.UpdatePriority();
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}
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}
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private (KThread, int) PopMutexThreadUnsafe(KThread OwnerThread, long MutexAddress)
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{
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int Count = 0;
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KThread WakeThread = null;
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foreach (KThread Thread in OwnerThread.MutexWaiters)
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{
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if (Thread.MutexAddress != MutexAddress)
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{
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continue;
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}
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if (WakeThread == null || Thread.ActualPriority < WakeThread.ActualPriority)
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{
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WakeThread = Thread;
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}
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Count++;
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}
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if (WakeThread != null)
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{
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OwnerThread.MutexWaiters.Remove(WakeThread);
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}
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return (WakeThread, Count);
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}
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private KThread PopCondVarThreadUnsafe(long CondVarAddress)
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{
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KThread WakeThread = null;
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foreach (KThread Thread in Process.ThreadArbiterList)
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{
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if (Thread.CondVarAddress != CondVarAddress)
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{
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continue;
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}
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if (WakeThread == null || Thread.ActualPriority < WakeThread.ActualPriority)
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{
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WakeThread = Thread;
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}
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}
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if (WakeThread != null)
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{
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Process.ThreadArbiterList.Remove(WakeThread);
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}
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return WakeThread;
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}
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private bool IsPointingInsideKernel(long Address)
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{
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return ((ulong)Address + 0x1000000000) < 0xffffff000;
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}
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private bool IsAddressNotWordAligned(long Address)
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{
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return (Address & 3) != 0;
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}
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}
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} |