Refactor SVC handler (#540)

* Refactor SVC handler

* Get rid of KernelErr

* Split kernel code files into multiple folders

7 files changed, 2236 insertions, 0 deletions

diff --git a/Ryujinx.HLE/HOS/Kernel/SupervisorCall/InvalidSvcException.cs b/Ryujinx.HLE/HOS/Kernel/SupervisorCall/InvalidSvcException.cs
new file mode 100644
index 00000000..b78a2284
--- /dev/null
+++ b/Ryujinx.HLE/HOS/Kernel/SupervisorCall/InvalidSvcException.cs
@@ -0,0 +1,9 @@
+using System;
+
+namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
+{
+    public class InvalidSvcException : Exception
+    {
+        public InvalidSvcException(string message) : base(message) { }
+    }
+}
diff --git a/Ryujinx.HLE/HOS/Kernel/SupervisorCall/SvcHandler.cs b/Ryujinx.HLE/HOS/Kernel/SupervisorCall/SvcHandler.cs
new file mode 100644
index 00000000..08340b06
--- /dev/null
+++ b/Ryujinx.HLE/HOS/Kernel/SupervisorCall/SvcHandler.cs
@@ -0,0 +1,61 @@
+using ChocolArm64.Events;
+using ChocolArm64.Memory;
+using ChocolArm64.State;
+using Ryujinx.HLE.HOS.Ipc;
+using Ryujinx.HLE.HOS.Kernel.Ipc;
+using Ryujinx.HLE.HOS.Kernel.Process;
+using Ryujinx.HLE.HOS.Kernel.Threading;
+using System;
+
+namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
+{
+    partial class SvcHandler
+    {
+        private Switch        _device;
+        private KProcess      _process;
+        private Horizon       _system;
+        private MemoryManager _memory;
+
+        private struct HleIpcMessage
+        {
+            public KThread    Thread     { get; private set; }
+            public KSession   Session    { get; private set; }
+            public IpcMessage Message    { get; private set; }
+            public long       MessagePtr { get; private set; }
+
+            public HleIpcMessage(
+                KThread    thread,
+                KSession   session,
+                IpcMessage message,
+                long       messagePtr)
+            {
+                Thread     = thread;
+                Session    = session;
+                Message    = message;
+                MessagePtr = messagePtr;
+            }
+        }
+
+        public SvcHandler(Switch device, KProcess process)
+        {
+            _device  = device;
+            _process = process;
+            _system  = device.System;
+            _memory  = process.CpuMemory;
+        }
+
+        public void SvcCall(object sender, InstExceptionEventArgs e)
+        {
+            Action<SvcHandler, CpuThreadState> svcFunc = SvcTable.GetSvcFunc(e.Id);
+
+            if (svcFunc == null)
+            {
+                throw new NotImplementedException($"SVC 0x{e.Id:X4} is not implemented.");
+            }
+
+            CpuThreadState threadState = (CpuThreadState)sender;
+
+            svcFunc(this, threadState);
+        }
+    }
+}
\ No newline at end of file
diff --git a/Ryujinx.HLE/HOS/Kernel/SupervisorCall/SvcMemory.cs b/Ryujinx.HLE/HOS/Kernel/SupervisorCall/SvcMemory.cs
new file mode 100644
index 00000000..e6590522
--- /dev/null
+++ b/Ryujinx.HLE/HOS/Kernel/SupervisorCall/SvcMemory.cs
@@ -0,0 +1,394 @@
+using Ryujinx.HLE.HOS.Kernel.Common;
+using Ryujinx.HLE.HOS.Kernel.Memory;
+using Ryujinx.HLE.HOS.Kernel.Process;
+
+namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
+{
+    partial class SvcHandler
+    {
+        public KernelResult SetHeapSize64(ulong size, out ulong position)
+        {
+            return SetHeapSize(size, out position);
+        }
+
+        private KernelResult SetHeapSize(ulong size, out ulong position)
+        {
+            if ((size & 0xfffffffe001fffff) != 0)
+            {
+                position = 0;
+
+                return KernelResult.InvalidSize;
+            }
+
+            return _process.MemoryManager.SetHeapSize(size, out position);
+        }
+
+        public KernelResult SetMemoryAttribute64(
+            ulong           position,
+            ulong           size,
+            MemoryAttribute attributeMask,
+            MemoryAttribute attributeValue)
+        {
+            return SetMemoryAttribute(position, size, attributeMask, attributeValue);
+        }
+
+        private KernelResult SetMemoryAttribute(
+            ulong           position,
+            ulong           size,
+            MemoryAttribute attributeMask,
+            MemoryAttribute attributeValue)
+        {
+            if (!PageAligned(position))
+            {
+                return KernelResult.InvalidAddress;
+            }
+
+            if (!PageAligned(size) || size == 0)
+            {
+                return KernelResult.InvalidSize;
+            }
+
+            MemoryAttribute attributes = attributeMask | attributeValue;
+
+            if (attributes != attributeMask ||
+               (attributes | MemoryAttribute.Uncached) != MemoryAttribute.Uncached)
+            {
+                return KernelResult.InvalidCombination;
+            }
+
+            KernelResult result = _process.MemoryManager.SetMemoryAttribute(
+                position,
+                size,
+                attributeMask,
+                attributeValue);
+
+            if (result == KernelResult.Success)
+            {
+                _memory.StopObservingRegion((long)position, (long)size);
+            }
+
+            return result;
+        }
+
+        public KernelResult MapMemory64(ulong dst, ulong src, ulong size)
+        {
+            return MapMemory(dst, src, size);
+        }
+
+        private KernelResult MapMemory(ulong dst, ulong src, ulong size)
+        {
+            if (!PageAligned(src | dst))
+            {
+                return KernelResult.InvalidAddress;
+            }
+
+            if (!PageAligned(size) || size == 0)
+            {
+                return KernelResult.InvalidSize;
+            }
+
+            if (src + size <= src || dst + size <= dst)
+            {
+                return KernelResult.InvalidMemState;
+            }
+
+            KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
+
+            if (!currentProcess.MemoryManager.InsideAddrSpace(src, size))
+            {
+                return KernelResult.InvalidMemState;
+            }
+
+            if (currentProcess.MemoryManager.OutsideStackRegion(dst, size) ||
+                currentProcess.MemoryManager.InsideHeapRegion  (dst, size) ||
+                currentProcess.MemoryManager.InsideAliasRegion (dst, size))
+            {
+                return KernelResult.InvalidMemRange;
+            }
+
+            return _process.MemoryManager.Map(dst, src, size);
+        }
+
+        public KernelResult UnmapMemory64(ulong dst, ulong src, ulong size)
+        {
+            return UnmapMemory(dst, src, size);
+        }
+
+        private KernelResult UnmapMemory(ulong dst, ulong src, ulong size)
+        {
+            if (!PageAligned(src | dst))
+            {
+                return KernelResult.InvalidAddress;
+            }
+
+            if (!PageAligned(size) || size == 0)
+            {
+                return KernelResult.InvalidSize;
+            }
+
+            if (src + size <= src || dst + size <= dst)
+            {
+                return KernelResult.InvalidMemState;
+            }
+
+            KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
+
+            if (!currentProcess.MemoryManager.InsideAddrSpace(src, size))
+            {
+                return KernelResult.InvalidMemState;
+            }
+
+            if (currentProcess.MemoryManager.OutsideStackRegion(dst, size) ||
+                currentProcess.MemoryManager.InsideHeapRegion  (dst, size) ||
+                currentProcess.MemoryManager.InsideAliasRegion (dst, size))
+            {
+                return KernelResult.InvalidMemRange;
+            }
+
+            return _process.MemoryManager.Unmap(dst, src, size);
+        }
+
+        public KernelResult QueryMemory64(ulong infoPtr, ulong x1, ulong position)
+        {
+            return QueryMemory(infoPtr, position);
+        }
+
+        private KernelResult QueryMemory(ulong infoPtr, ulong position)
+        {
+            KMemoryInfo blkInfo = _process.MemoryManager.QueryMemory(position);
+
+            _memory.WriteUInt64((long)infoPtr + 0x00, blkInfo.Address);
+            _memory.WriteUInt64((long)infoPtr + 0x08, blkInfo.Size);
+            _memory.WriteInt32 ((long)infoPtr + 0x10, (int)blkInfo.State & 0xff);
+            _memory.WriteInt32 ((long)infoPtr + 0x14, (int)blkInfo.Attribute);
+            _memory.WriteInt32 ((long)infoPtr + 0x18, (int)blkInfo.Permission);
+            _memory.WriteInt32 ((long)infoPtr + 0x1c, blkInfo.IpcRefCount);
+            _memory.WriteInt32 ((long)infoPtr + 0x20, blkInfo.DeviceRefCount);
+            _memory.WriteInt32 ((long)infoPtr + 0x24, 0);
+
+            return KernelResult.Success;
+        }
+
+        public KernelResult MapSharedMemory64(int handle, ulong address, ulong size, MemoryPermission permission)
+        {
+            return MapSharedMemory(handle, address, size, permission);
+        }
+
+        private KernelResult MapSharedMemory(int handle, ulong address, ulong size, MemoryPermission permission)
+        {
+            if (!PageAligned(address))
+            {
+                return KernelResult.InvalidAddress;
+            }
+
+            if (!PageAligned(size) || size == 0)
+            {
+                return KernelResult.InvalidSize;
+            }
+
+            if (address + size <= address)
+            {
+                return KernelResult.InvalidMemState;
+            }
+
+            if ((permission | MemoryPermission.Write) != MemoryPermission.ReadAndWrite)
+            {
+                return KernelResult.InvalidPermission;
+            }
+
+            KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
+
+            KSharedMemory sharedMemory = currentProcess.HandleTable.GetObject<KSharedMemory>(handle);
+
+            if (sharedMemory == null)
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            if (currentProcess.MemoryManager.IsInvalidRegion  (address, size) ||
+                currentProcess.MemoryManager.InsideHeapRegion (address, size) ||
+                currentProcess.MemoryManager.InsideAliasRegion(address, size))
+            {
+                return KernelResult.InvalidMemRange;
+            }
+
+            return sharedMemory.MapIntoProcess(
+                currentProcess.MemoryManager,
+                address,
+                size,
+                currentProcess,
+                permission);
+        }
+
+        public KernelResult UnmapSharedMemory64(int handle, ulong address, ulong size)
+        {
+            return UnmapSharedMemory(handle, address, size);
+        }
+
+        private KernelResult UnmapSharedMemory(int handle, ulong address, ulong size)
+        {
+            if (!PageAligned(address))
+            {
+                return KernelResult.InvalidAddress;
+            }
+
+            if (!PageAligned(size) || size == 0)
+            {
+                return KernelResult.InvalidSize;
+            }
+
+            if (address + size <= address)
+            {
+                return KernelResult.InvalidMemState;
+            }
+
+            KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
+
+            KSharedMemory sharedMemory = currentProcess.HandleTable.GetObject<KSharedMemory>(handle);
+
+            if (sharedMemory == null)
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            if (currentProcess.MemoryManager.IsInvalidRegion  (address, size) ||
+                currentProcess.MemoryManager.InsideHeapRegion (address, size) ||
+                currentProcess.MemoryManager.InsideAliasRegion(address, size))
+            {
+                return KernelResult.InvalidMemRange;
+            }
+
+            return sharedMemory.UnmapFromProcess(
+                currentProcess.MemoryManager,
+                address,
+                size,
+                currentProcess);
+        }
+
+        public KernelResult CreateTransferMemory64(
+            ulong            address,
+            ulong            size,
+            MemoryPermission permission,
+            out int          handle)
+        {
+            return CreateTransferMemory(address, size, permission, out handle);
+        }
+
+        private KernelResult CreateTransferMemory(ulong address, ulong size, MemoryPermission permission, out int handle)
+        {
+            handle = 0;
+
+            if (!PageAligned(address))
+            {
+                return KernelResult.InvalidAddress;
+            }
+
+            if (!PageAligned(size) || size == 0)
+            {
+                return KernelResult.InvalidSize;
+            }
+
+            if (address + size <= address)
+            {
+                return KernelResult.InvalidMemState;
+            }
+
+            if (permission > MemoryPermission.ReadAndWrite || permission == MemoryPermission.Write)
+            {
+                return KernelResult.InvalidPermission;
+            }
+
+            KernelResult result = _process.MemoryManager.ReserveTransferMemory(address, size, permission);
+
+            if (result != KernelResult.Success)
+            {
+                return result;
+            }
+
+            KTransferMemory transferMemory = new KTransferMemory(address, size);
+
+            return _process.HandleTable.GenerateHandle(transferMemory, out handle);
+        }
+
+        public KernelResult MapPhysicalMemory64(ulong address, ulong size)
+        {
+            return MapPhysicalMemory(address, size);
+        }
+
+        private KernelResult MapPhysicalMemory(ulong address, ulong size)
+        {
+            if (!PageAligned(address))
+            {
+                return KernelResult.InvalidAddress;
+            }
+
+            if (!PageAligned(size) || size == 0)
+            {
+                return KernelResult.InvalidSize;
+            }
+
+            if (address + size <= address)
+            {
+                return KernelResult.InvalidMemRange;
+            }
+
+            KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
+
+            if ((currentProcess.PersonalMmHeapPagesCount & 0xfffffffffffff) == 0)
+            {
+                return KernelResult.InvalidState;
+            }
+
+            if (!currentProcess.MemoryManager.InsideAddrSpace   (address, size) ||
+                 currentProcess.MemoryManager.OutsideAliasRegion(address, size))
+            {
+                return KernelResult.InvalidMemRange;
+            }
+
+            return _process.MemoryManager.MapPhysicalMemory(address, size);
+        }
+
+        public KernelResult UnmapPhysicalMemory64(ulong address, ulong size)
+        {
+            return MapPhysicalMemory(address, size);
+        }
+
+        private KernelResult UnmapPhysicalMemory(ulong address, ulong size)
+        {
+            if (!PageAligned(address))
+            {
+                return KernelResult.InvalidAddress;
+            }
+
+            if (!PageAligned(size) || size == 0)
+            {
+                return KernelResult.InvalidSize;
+            }
+
+            if (address + size <= address)
+            {
+                return KernelResult.InvalidMemRange;
+            }
+
+            KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
+
+            if ((currentProcess.PersonalMmHeapPagesCount & 0xfffffffffffff) == 0)
+            {
+                return KernelResult.InvalidState;
+            }
+
+            if (!currentProcess.MemoryManager.InsideAddrSpace   (address, size) ||
+                 currentProcess.MemoryManager.OutsideAliasRegion(address, size))
+            {
+                return KernelResult.InvalidMemRange;
+            }
+
+            return _process.MemoryManager.UnmapPhysicalMemory(address, size);
+        }
+
+        private static bool PageAligned(ulong position)
+        {
+            return (position & (KMemoryManager.PageSize - 1)) == 0;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Ryujinx.HLE/HOS/Kernel/SupervisorCall/SvcSystem.cs b/Ryujinx.HLE/HOS/Kernel/SupervisorCall/SvcSystem.cs
new file mode 100644
index 00000000..b0563356
--- /dev/null
+++ b/Ryujinx.HLE/HOS/Kernel/SupervisorCall/SvcSystem.cs
@@ -0,0 +1,762 @@
+using ChocolArm64.Memory;
+using Ryujinx.Common;
+using Ryujinx.Common.Logging;
+using Ryujinx.HLE.Exceptions;
+using Ryujinx.HLE.HOS.Ipc;
+using Ryujinx.HLE.HOS.Kernel.Common;
+using Ryujinx.HLE.HOS.Kernel.Ipc;
+using Ryujinx.HLE.HOS.Kernel.Memory;
+using Ryujinx.HLE.HOS.Kernel.Process;
+using Ryujinx.HLE.HOS.Kernel.Threading;
+using Ryujinx.HLE.HOS.Services;
+using System.Threading;
+
+namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
+{
+    partial class SvcHandler
+    {
+        public void ExitProcess64()
+        {
+            ExitProcess();
+        }
+
+        private void ExitProcess()
+        {
+            _system.Scheduler.GetCurrentProcess().Terminate();
+        }
+
+        public KernelResult SignalEvent64(int handle)
+        {
+            return SignalEvent(handle);
+        }
+
+        private KernelResult SignalEvent(int handle)
+        {
+            KWritableEvent writableEvent = _process.HandleTable.GetObject<KWritableEvent>(handle);
+
+            KernelResult result;
+
+            if (writableEvent != null)
+            {
+                writableEvent.Signal();
+
+                result = KernelResult.Success;
+            }
+            else
+            {
+                result = KernelResult.InvalidHandle;
+            }
+
+            return result;
+        }
+
+        public KernelResult ClearEvent64(int handle)
+        {
+            return ClearEvent(handle);
+        }
+
+        private KernelResult ClearEvent(int handle)
+        {
+            KernelResult result;
+
+            KWritableEvent writableEvent = _process.HandleTable.GetObject<KWritableEvent>(handle);
+
+            if (writableEvent == null)
+            {
+                KReadableEvent readableEvent = _process.HandleTable.GetObject<KReadableEvent>(handle);
+
+                result = readableEvent?.Clear() ?? KernelResult.InvalidHandle;
+            }
+            else
+            {
+                result = writableEvent.Clear();
+            }
+
+            return result;
+        }
+
+        public KernelResult CloseHandle64(int handle)
+        {
+            return CloseHandle(handle);
+        }
+
+        private KernelResult CloseHandle(int handle)
+        {
+            object obj = _process.HandleTable.GetObject<object>(handle);
+
+            _process.HandleTable.CloseHandle(handle);
+
+            if (obj == null)
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            if (obj is KSession session)
+            {
+                session.Dispose();
+            }
+            else if (obj is KTransferMemory transferMemory)
+            {
+                _process.MemoryManager.ResetTransferMemory(
+                    transferMemory.Address,
+                    transferMemory.Size);
+            }
+
+            return KernelResult.Success;
+        }
+
+        public KernelResult ResetSignal64(int handle)
+        {
+            return ResetSignal(handle);
+        }
+
+        private KernelResult ResetSignal(int handle)
+        {
+            KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
+
+            KReadableEvent readableEvent = currentProcess.HandleTable.GetObject<KReadableEvent>(handle);
+
+            KernelResult result;
+
+            if (readableEvent != null)
+            {
+                result = readableEvent.ClearIfSignaled();
+            }
+            else
+            {
+                KProcess process = currentProcess.HandleTable.GetKProcess(handle);
+
+                if (process != null)
+                {
+                    result = process.ClearIfNotExited();
+                }
+                else
+                {
+                    result = KernelResult.InvalidHandle;
+                }
+            }
+
+            return result;
+        }
+
+        public ulong GetSystemTick64()
+        {
+            return _system.Scheduler.GetCurrentThread().Context.ThreadState.CntpctEl0;
+        }
+
+        public KernelResult ConnectToNamedPort64(ulong namePtr, out int handle)
+        {
+            return ConnectToNamedPort(namePtr, out handle);
+        }
+
+        private KernelResult ConnectToNamedPort(ulong namePtr, out int handle)
+        {
+            string name = MemoryHelper.ReadAsciiString(_memory, (long)namePtr, 8);
+
+            //TODO: Validate that app has perms to access the service, and that the service
+            //actually exists, return error codes otherwise.
+            KSession session = new KSession(ServiceFactory.MakeService(_system, name), name);
+
+            return _process.HandleTable.GenerateHandle(session, out handle);
+        }
+
+        public KernelResult SendSyncRequest64(int handle)
+        {
+            return SendSyncRequest((ulong)_system.Scheduler.GetCurrentThread().Context.ThreadState.Tpidr, 0x100, handle);
+        }
+
+        public KernelResult SendSyncRequestWithUserBuffer64(ulong messagePtr, ulong size, int handle)
+        {
+            return SendSyncRequest(messagePtr, size, handle);
+        }
+
+        private KernelResult SendSyncRequest(ulong messagePtr, ulong size, int handle)
+        {
+            byte[] messageData = _memory.ReadBytes((long)messagePtr, (long)size);
+
+            KSession session = _process.HandleTable.GetObject<KSession>(handle);
+
+            if (session != null)
+            {
+                _system.CriticalSection.Enter();
+
+                KThread currentThread = _system.Scheduler.GetCurrentThread();
+
+                currentThread.SignaledObj   = null;
+                currentThread.ObjSyncResult = KernelResult.Success;
+
+                currentThread.Reschedule(ThreadSchedState.Paused);
+
+                IpcMessage message = new IpcMessage(messageData, (long)messagePtr);
+
+                ThreadPool.QueueUserWorkItem(ProcessIpcRequest, new HleIpcMessage(
+                    currentThread,
+                    session,
+                    message,
+                    (long)messagePtr));
+
+                _system.ThreadCounter.AddCount();
+
+                _system.CriticalSection.Leave();
+
+                return currentThread.ObjSyncResult;
+            }
+            else
+            {
+                Logger.PrintWarning(LogClass.KernelSvc, $"Invalid session handle 0x{handle:x8}!");
+
+                return KernelResult.InvalidHandle;
+            }
+        }
+
+        private void ProcessIpcRequest(object state)
+        {
+            HleIpcMessage ipcMessage = (HleIpcMessage)state;
+
+            ipcMessage.Thread.ObjSyncResult = IpcHandler.IpcCall(
+                _device,
+                _process,
+                _memory,
+                ipcMessage.Session,
+                ipcMessage.Message,
+                ipcMessage.MessagePtr);
+
+            _system.ThreadCounter.Signal();
+
+            ipcMessage.Thread.Reschedule(ThreadSchedState.Running);
+        }
+
+        public KernelResult GetProcessId64(int handle, out long pid)
+        {
+            return GetProcessId(handle, out pid);
+        }
+
+        private KernelResult GetProcessId(int handle, out long pid)
+        {
+            KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
+
+            KProcess process = currentProcess.HandleTable.GetKProcess(handle);
+
+            if (process == null)
+            {
+                KThread thread = currentProcess.HandleTable.GetKThread(handle);
+
+                if (thread != null)
+                {
+                    process = thread.Owner;
+                }
+
+                //TODO: KDebugEvent.
+            }
+
+            pid = process?.Pid ?? 0;
+
+            return process != null
+                ? KernelResult.Success
+                : KernelResult.InvalidHandle;
+        }
+
+        public void Break64(ulong reason, ulong x1, ulong info)
+        {
+            Break(reason);
+        }
+
+        private void Break(ulong reason)
+        {
+            KThread currentThread = _system.Scheduler.GetCurrentThread();
+
+            if ((reason & (1UL << 31)) == 0)
+            {
+                currentThread.PrintGuestStackTrace();
+
+                throw new GuestBrokeExecutionException();
+            }
+            else
+            {
+                Logger.PrintInfo(LogClass.KernelSvc, "Debugger triggered.");
+
+                currentThread.PrintGuestStackTrace();
+            }
+        }
+
+        public void OutputDebugString64(ulong strPtr, ulong size)
+        {
+            OutputDebugString(strPtr, size);
+        }
+
+        private void OutputDebugString(ulong strPtr, ulong size)
+        {
+            string str = MemoryHelper.ReadAsciiString(_memory, (long)strPtr, (long)size);
+
+            Logger.PrintWarning(LogClass.KernelSvc, str);
+        }
+
+        public KernelResult GetInfo64(uint id, int handle, long subId, out long value)
+        {
+            return GetInfo(id, handle, subId, out value);
+        }
+
+        private KernelResult GetInfo(uint id, int handle, long subId, out long value)
+        {
+            value = 0;
+
+            switch (id)
+            {
+                case 0:
+                case 1:
+                case 2:
+                case 3:
+                case 4:
+                case 5:
+                case 6:
+                case 7:
+                case 12:
+                case 13:
+                case 14:
+                case 15:
+                case 16:
+                case 17:
+                case 18:
+                case 20:
+                case 21:
+                case 22:
+                {
+                    if (subId != 0)
+                    {
+                        return KernelResult.InvalidCombination;
+                    }
+
+                    KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
+
+                    KProcess process = currentProcess.HandleTable.GetKProcess(handle);
+
+                    if (process == null)
+                    {
+                        return KernelResult.InvalidHandle;
+                    }
+
+                    switch (id)
+                    {
+                        case 0: value = process.Capabilities.AllowedCpuCoresMask;    break;
+                        case 1: value = process.Capabilities.AllowedThreadPriosMask; break;
+
+                        case 2: value = (long)process.MemoryManager.AliasRegionStart; break;
+                        case 3: value = (long)(process.MemoryManager.AliasRegionEnd -
+                                               process.MemoryManager.AliasRegionStart); break;
+
+                        case 4: value = (long)process.MemoryManager.HeapRegionStart; break;
+                        case 5: value = (long)(process.MemoryManager.HeapRegionEnd -
+                                               process.MemoryManager.HeapRegionStart); break;
+
+                        case 6: value = (long)process.GetMemoryCapacity(); break;
+
+                        case 7: value = (long)process.GetMemoryUsage(); break;
+
+                        case 12: value = (long)process.MemoryManager.GetAddrSpaceBaseAddr(); break;
+
+                        case 13: value = (long)process.MemoryManager.GetAddrSpaceSize(); break;
+
+                        case 14: value = (long)process.MemoryManager.StackRegionStart; break;
+                        case 15: value = (long)(process.MemoryManager.StackRegionEnd -
+                                                process.MemoryManager.StackRegionStart); break;
+
+                        case 16: value = (long)process.PersonalMmHeapPagesCount * KMemoryManager.PageSize; break;
+
+                        case 17:
+                            if (process.PersonalMmHeapPagesCount != 0)
+                            {
+                                value = process.MemoryManager.GetMmUsedPages() * KMemoryManager.PageSize;
+                            }
+
+                            break;
+
+                        case 18: value = process.TitleId; break;
+
+                        case 20: value = (long)process.UserExceptionContextAddress; break;
+
+                        case 21: value = (long)process.GetMemoryCapacityWithoutPersonalMmHeap(); break;
+
+                        case 22: value = (long)process.GetMemoryUsageWithoutPersonalMmHeap(); break;
+                    }
+
+                    break;
+                }
+
+                case 8:
+                {
+                    if (handle != 0)
+                    {
+                        return KernelResult.InvalidHandle;
+                    }
+
+                    if (subId != 0)
+                    {
+                        return KernelResult.InvalidCombination;
+                    }
+
+                    value = _system.Scheduler.GetCurrentProcess().Debug ? 1 : 0;
+
+                    break;
+                }
+
+                case 9:
+                {
+                    if (handle != 0)
+                    {
+                        return KernelResult.InvalidHandle;
+                    }
+
+                    if (subId != 0)
+                    {
+                        return KernelResult.InvalidCombination;
+                    }
+
+                    KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
+
+                    if (currentProcess.ResourceLimit != null)
+                    {
+                        KHandleTable   handleTable   = currentProcess.HandleTable;
+                        KResourceLimit resourceLimit = currentProcess.ResourceLimit;
+
+                        KernelResult result = handleTable.GenerateHandle(resourceLimit, out int resLimHandle);
+
+                        if (result != KernelResult.Success)
+                        {
+                            return result;
+                        }
+
+                        value = (uint)resLimHandle;
+                    }
+
+                    break;
+                }
+
+                case 10:
+                {
+                    if (handle != 0)
+                    {
+                        return KernelResult.InvalidHandle;
+                    }
+
+                    int currentCore = _system.Scheduler.GetCurrentThread().CurrentCore;
+
+                    if (subId != -1 && subId != currentCore)
+                    {
+                        return KernelResult.InvalidCombination;
+                    }
+
+                    value = _system.Scheduler.CoreContexts[currentCore].TotalIdleTimeTicks;
+
+                    break;
+                }
+
+                case 11:
+                {
+                    if (handle != 0)
+                    {
+                        return KernelResult.InvalidHandle;
+                    }
+
+                    if ((ulong)subId > 3)
+                    {
+                        return KernelResult.InvalidCombination;
+                    }
+
+                    KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
+
+
+                    value = currentProcess.RandomEntropy[subId];
+
+                    break;
+                }
+
+                case 0xf0000002u:
+                {
+                    if (subId < -1 || subId > 3)
+                    {
+                        return KernelResult.InvalidCombination;
+                    }
+
+                    KThread thread = _system.Scheduler.GetCurrentProcess().HandleTable.GetKThread(handle);
+
+                    if (thread == null)
+                    {
+                        return KernelResult.InvalidHandle;
+                    }
+
+                    KThread currentThread = _system.Scheduler.GetCurrentThread();
+
+                    int currentCore = currentThread.CurrentCore;
+
+                    if (subId != -1 && subId != currentCore)
+                    {
+                        return KernelResult.Success;
+                    }
+
+                    KCoreContext coreContext = _system.Scheduler.CoreContexts[currentCore];
+
+                    long timeDelta = PerformanceCounter.ElapsedMilliseconds - coreContext.LastContextSwitchTime;
+
+                    if (subId != -1)
+                    {
+                        value = KTimeManager.ConvertMillisecondsToTicks(timeDelta);
+                    }
+                    else
+                    {
+                        long totalTimeRunning = thread.TotalTimeRunning;
+
+                        if (thread == currentThread)
+                        {
+                            totalTimeRunning += timeDelta;
+                        }
+
+                        value = KTimeManager.ConvertMillisecondsToTicks(totalTimeRunning);
+                    }
+
+                    break;
+                }
+
+                default: return KernelResult.InvalidEnumValue;
+            }
+
+            return KernelResult.Success;
+        }
+
+        public KernelResult CreateEvent64(out int wEventHandle, out int rEventHandle)
+        {
+            return CreateEvent(out wEventHandle, out rEventHandle);
+        }
+
+        private KernelResult CreateEvent(out int wEventHandle, out int rEventHandle)
+        {
+            KEvent Event = new KEvent(_system);
+
+            KernelResult result = _process.HandleTable.GenerateHandle(Event.WritableEvent, out wEventHandle);
+
+            if (result == KernelResult.Success)
+            {
+                result = _process.HandleTable.GenerateHandle(Event.ReadableEvent, out rEventHandle);
+
+                if (result != KernelResult.Success)
+                {
+                    _process.HandleTable.CloseHandle(wEventHandle);
+                }
+            }
+            else
+            {
+                rEventHandle = 0;
+            }
+
+            return result;
+        }
+
+        public KernelResult GetProcessList64(ulong address, int maxCount, out int count)
+        {
+            return GetProcessList(address, maxCount, out count);
+        }
+
+        private KernelResult GetProcessList(ulong address, int maxCount, out int count)
+        {
+            count = 0;
+
+            if ((maxCount >> 28) != 0)
+            {
+                return KernelResult.MaximumExceeded;
+            }
+
+            if (maxCount != 0)
+            {
+                KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
+
+                ulong copySize = (ulong)maxCount * 8;
+
+                if (address + copySize <= address)
+                {
+                    return KernelResult.InvalidMemState;
+                }
+
+                if (currentProcess.MemoryManager.OutsideAddrSpace(address, copySize))
+                {
+                    return KernelResult.InvalidMemState;
+                }
+            }
+
+            int copyCount = 0;
+
+            lock (_system.Processes)
+            {
+                foreach (KProcess process in _system.Processes.Values)
+                {
+                    if (copyCount < maxCount)
+                    {
+                        if (!KernelTransfer.KernelToUserInt64(_system, address + (ulong)copyCount * 8, process.Pid))
+                        {
+                            return KernelResult.UserCopyFailed;
+                        }
+                    }
+
+                    copyCount++;
+                }
+            }
+
+            count = copyCount;
+
+            return KernelResult.Success;
+        }
+
+        public KernelResult GetSystemInfo64(uint id, int handle, long subId, out long value)
+        {
+            return GetSystemInfo(id, handle, subId, out value);
+        }
+
+        private KernelResult GetSystemInfo(uint id, int handle, long subId, out long value)
+        {
+            value = 0;
+
+            if (id > 2)
+            {
+                return KernelResult.InvalidEnumValue;
+            }
+
+            if (handle != 0)
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            if (id < 2)
+            {
+                if ((ulong)subId > 3)
+                {
+                    return KernelResult.InvalidCombination;
+                }
+
+                KMemoryRegionManager region = _system.MemoryRegions[subId];
+
+                switch (id)
+                {
+                    //Memory region capacity.
+                    case 0: value = (long)region.Size; break;
+
+                    //Memory region free space.
+                    case 1:
+                    {
+                        ulong freePagesCount = region.GetFreePages();
+
+                        value = (long)(freePagesCount * KMemoryManager.PageSize);
+
+                        break;
+                    }
+                }
+            }
+            else /* if (Id == 2) */
+            {
+                if ((ulong)subId > 1)
+                {
+                    return KernelResult.InvalidCombination;
+                }
+
+                switch (subId)
+                {
+                    case 0: value = _system.PrivilegedProcessLowestId;  break;
+                    case 1: value = _system.PrivilegedProcessHighestId; break;
+                }
+            }
+
+            return KernelResult.Success;
+        }
+
+        public KernelResult CreatePort64(
+            int     maxSessions,
+            bool    isLight,
+            ulong   namePtr,
+            out int serverPortHandle,
+            out int clientPortHandle)
+        {
+            return CreatePort(maxSessions, isLight, namePtr, out serverPortHandle, out clientPortHandle);
+        }
+
+        private KernelResult CreatePort(
+            int     maxSessions,
+            bool    isLight,
+            ulong   namePtr,
+            out int serverPortHandle,
+            out int clientPortHandle)
+        {
+            serverPortHandle = clientPortHandle = 0;
+
+            if (maxSessions < 1)
+            {
+                return KernelResult.MaximumExceeded;
+            }
+
+            KPort port = new KPort(_system);
+
+            port.Initialize(maxSessions, isLight, (long)namePtr);
+
+            KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
+
+            KernelResult result = currentProcess.HandleTable.GenerateHandle(port.ClientPort, out clientPortHandle);
+
+            if (result != KernelResult.Success)
+            {
+                return result;
+            }
+
+            result = currentProcess.HandleTable.GenerateHandle(port.ServerPort, out serverPortHandle);
+
+            if (result != KernelResult.Success)
+            {
+                currentProcess.HandleTable.CloseHandle(clientPortHandle);
+            }
+
+            return result;
+        }
+
+        public KernelResult ManageNamedPort64(ulong namePtr, int maxSessions, out int handle)
+        {
+            return ManageNamedPort(namePtr, maxSessions, out handle);
+        }
+
+        private KernelResult ManageNamedPort(ulong namePtr, int maxSessions, out int handle)
+        {
+            handle = 0;
+
+            if (!KernelTransfer.UserToKernelString(_system, namePtr, 12, out string name))
+            {
+                return KernelResult.UserCopyFailed;
+            }
+
+            if (maxSessions < 0 || name.Length > 11)
+            {
+                return KernelResult.MaximumExceeded;
+            }
+
+            if (maxSessions == 0)
+            {
+                return KClientPort.RemoveName(_system, name);
+            }
+
+            KPort port = new KPort(_system);
+
+            KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
+
+            KernelResult result = currentProcess.HandleTable.GenerateHandle(port.ServerPort, out handle);
+
+            if (result != KernelResult.Success)
+            {
+                return result;
+            }
+
+            port.Initialize(maxSessions, false, 0);
+
+            result = port.SetName(name);
+
+            if (result != KernelResult.Success)
+            {
+                currentProcess.HandleTable.CloseHandle(handle);
+            }
+
+            return result;
+        }
+    }
+}
diff --git a/Ryujinx.HLE/HOS/Kernel/SupervisorCall/SvcTable.cs b/Ryujinx.HLE/HOS/Kernel/SupervisorCall/SvcTable.cs
new file mode 100644
index 00000000..a6111777
--- /dev/null
+++ b/Ryujinx.HLE/HOS/Kernel/SupervisorCall/SvcTable.cs
@@ -0,0 +1,340 @@
+using ChocolArm64.State;
+using Ryujinx.Common.Logging;
+using Ryujinx.HLE.HOS.Kernel.Common;
+using System;
+using System.Collections.Generic;
+using System.Reflection;
+using System.Reflection.Emit;
+
+namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
+{
+    static class SvcTable
+    {
+        private const int SvcFuncMaxArguments = 8;
+
+        private static Dictionary<int, string> _svcFuncs64;
+
+        private static Action<SvcHandler, CpuThreadState>[] _svcTable64;
+
+        static SvcTable()
+        {
+            _svcFuncs64 = new Dictionary<int, string>
+            {
+                { 0x01, nameof(SvcHandler.SetHeapSize64)                   },
+                { 0x03, nameof(SvcHandler.SetMemoryAttribute64)            },
+                { 0x04, nameof(SvcHandler.MapMemory64)                     },
+                { 0x05, nameof(SvcHandler.UnmapMemory64)                   },
+                { 0x06, nameof(SvcHandler.QueryMemory64)                   },
+                { 0x07, nameof(SvcHandler.ExitProcess64)                   },
+                { 0x08, nameof(SvcHandler.CreateThread64)                  },
+                { 0x09, nameof(SvcHandler.StartThread64)                   },
+                { 0x0a, nameof(SvcHandler.ExitThread64)                    },
+                { 0x0b, nameof(SvcHandler.SleepThread64)                   },
+                { 0x0c, nameof(SvcHandler.GetThreadPriority64)             },
+                { 0x0d, nameof(SvcHandler.SetThreadPriority64)             },
+                { 0x0e, nameof(SvcHandler.GetThreadCoreMask64)             },
+                { 0x0f, nameof(SvcHandler.SetThreadCoreMask64)             },
+                { 0x10, nameof(SvcHandler.GetCurrentProcessorNumber64)     },
+                { 0x11, nameof(SvcHandler.SignalEvent64)                   },
+                { 0x12, nameof(SvcHandler.ClearEvent64)                    },
+                { 0x13, nameof(SvcHandler.MapSharedMemory64)               },
+                { 0x14, nameof(SvcHandler.UnmapSharedMemory64)             },
+                { 0x15, nameof(SvcHandler.CreateTransferMemory64)          },
+                { 0x16, nameof(SvcHandler.CloseHandle64)                   },
+                { 0x17, nameof(SvcHandler.ResetSignal64)                   },
+                { 0x18, nameof(SvcHandler.WaitSynchronization64)           },
+                { 0x19, nameof(SvcHandler.CancelSynchronization64)         },
+                { 0x1a, nameof(SvcHandler.ArbitrateLock64)                 },
+                { 0x1b, nameof(SvcHandler.ArbitrateUnlock64)               },
+                { 0x1c, nameof(SvcHandler.WaitProcessWideKeyAtomic64)      },
+                { 0x1d, nameof(SvcHandler.SignalProcessWideKey64)          },
+                { 0x1e, nameof(SvcHandler.GetSystemTick64)                 },
+                { 0x1f, nameof(SvcHandler.ConnectToNamedPort64)            },
+                { 0x21, nameof(SvcHandler.SendSyncRequest64)               },
+                { 0x22, nameof(SvcHandler.SendSyncRequestWithUserBuffer64) },
+                { 0x24, nameof(SvcHandler.GetProcessId64)                  },
+                { 0x25, nameof(SvcHandler.GetThreadId64)                   },
+                { 0x26, nameof(SvcHandler.Break64)                         },
+                { 0x27, nameof(SvcHandler.OutputDebugString64)             },
+                { 0x29, nameof(SvcHandler.GetInfo64)                       },
+                { 0x2c, nameof(SvcHandler.MapPhysicalMemory64)             },
+                { 0x2d, nameof(SvcHandler.UnmapPhysicalMemory64)           },
+                { 0x32, nameof(SvcHandler.SetThreadActivity64)             },
+                { 0x33, nameof(SvcHandler.GetThreadContext364)             },
+                { 0x34, nameof(SvcHandler.WaitForAddress64)                },
+                { 0x35, nameof(SvcHandler.SignalToAddress64)               },
+                { 0x45, nameof(SvcHandler.CreateEvent64)                   },
+                { 0x65, nameof(SvcHandler.GetProcessList64)                },
+                { 0x6f, nameof(SvcHandler.GetSystemInfo64)                 },
+                { 0x70, nameof(SvcHandler.CreatePort64)                    },
+                { 0x71, nameof(SvcHandler.ManageNamedPort64)               }
+            };
+
+            _svcTable64 = new Action<SvcHandler, CpuThreadState>[0x80];
+        }
+
+        public static Action<SvcHandler, CpuThreadState> GetSvcFunc(int svcId)
+        {
+            if (_svcTable64[svcId] != null)
+            {
+                return _svcTable64[svcId];
+            }
+
+            if (_svcFuncs64.TryGetValue(svcId, out string svcName))
+            {
+                return _svcTable64[svcId] = GenerateMethod(svcName);
+            }
+
+            return null;
+        }
+
+        private static Action<SvcHandler, CpuThreadState> GenerateMethod(string svcName)
+        {
+            Type[] argTypes = new Type[] { typeof(SvcHandler), typeof(CpuThreadState) };
+
+            DynamicMethod method = new DynamicMethod(svcName, null, argTypes);
+
+            MethodInfo methodInfo = typeof(SvcHandler).GetMethod(svcName);
+
+            ParameterInfo[] methodArgs = methodInfo.GetParameters();
+
+            if (methodArgs.Length > SvcFuncMaxArguments)
+            {
+                throw new InvalidOperationException($"Method \"{svcName}\" has too many arguments, max is 8.");
+            }
+
+            ILGenerator generator = method.GetILGenerator();
+
+            void ConvertToArgType(Type sourceType)
+            {
+                CheckIfTypeIsSupported(sourceType, svcName);
+
+                switch (Type.GetTypeCode(sourceType))
+                {
+                    case TypeCode.UInt32: generator.Emit(OpCodes.Conv_U4); break;
+                    case TypeCode.Int32:  generator.Emit(OpCodes.Conv_I4); break;
+                    case TypeCode.UInt16: generator.Emit(OpCodes.Conv_U2); break;
+                    case TypeCode.Int16:  generator.Emit(OpCodes.Conv_I2); break;
+                    case TypeCode.Byte:   generator.Emit(OpCodes.Conv_U1); break;
+                    case TypeCode.SByte:  generator.Emit(OpCodes.Conv_I1); break;
+
+                    case TypeCode.Boolean:
+                        generator.Emit(OpCodes.Conv_I4);
+                        generator.Emit(OpCodes.Ldc_I4_1);
+                        generator.Emit(OpCodes.And);
+                        break;
+                }
+            }
+
+            void ConvertToFieldType(Type sourceType)
+            {
+                CheckIfTypeIsSupported(sourceType, svcName);
+
+                switch (Type.GetTypeCode(sourceType))
+                {
+                    case TypeCode.UInt32:
+                    case TypeCode.Int32:
+                    case TypeCode.UInt16:
+                    case TypeCode.Int16:
+                    case TypeCode.Byte:
+                    case TypeCode.SByte:
+                    case TypeCode.Boolean:
+                        generator.Emit(OpCodes.Conv_U8);
+                        break;
+                }
+            }
+
+            //For functions returning output values, the first registers
+            //are used to hold pointers where the value will be stored,
+            //so they can't be used to pass argument and we must
+            //skip them.
+            int byRefArgsCount = 0;
+
+            for (int index = 0; index < methodArgs.Length; index++)
+            {
+                if (methodArgs[index].ParameterType.IsByRef)
+                {
+                    byRefArgsCount++;
+                }
+            }
+
+            //Print all the arguments for debugging purposes.
+            int inputArgsCount = methodArgs.Length - byRefArgsCount;
+
+            generator.Emit(OpCodes.Ldc_I4_S, inputArgsCount);
+
+            generator.Emit(OpCodes.Newarr, typeof(object));
+
+            string argsFormat = svcName;
+
+            for (int index = 0; index < inputArgsCount; index++)
+            {
+                argsFormat += $" {methodArgs[index].Name}: 0x{{{index}:X8}},";
+
+                generator.Emit(OpCodes.Dup);
+                generator.Emit(OpCodes.Ldc_I4_S, index);
+                generator.Emit(OpCodes.Conv_I);
+
+                generator.Emit(OpCodes.Ldarg_1);
+                generator.Emit(OpCodes.Ldfld, GetStateFieldX(byRefArgsCount + index));
+
+                generator.Emit(OpCodes.Box, typeof(ulong));
+
+                generator.Emit(OpCodes.Stelem_Ref);
+            }
+
+            argsFormat = argsFormat.Substring(0, argsFormat.Length - 1);
+
+            generator.Emit(OpCodes.Ldstr, argsFormat);
+
+            BindingFlags staticNonPublic = BindingFlags.NonPublic | BindingFlags.Static;
+
+            MethodInfo printArgsMethod = typeof(SvcTable).GetMethod(nameof(PrintArguments), staticNonPublic);
+
+            generator.Emit(OpCodes.Call, printArgsMethod);
+
+            //Call the SVC function handler.
+            generator.Emit(OpCodes.Ldarg_0);
+
+            List<LocalBuilder> locals = new List<LocalBuilder>();
+
+            for (int index = 0; index < methodArgs.Length; index++)
+            {
+                Type argType = methodArgs[index].ParameterType;
+
+                if (argType.IsByRef)
+                {
+                    argType = argType.GetElementType();
+
+                    LocalBuilder local = generator.DeclareLocal(argType);
+
+                    locals.Add(local);
+
+                    if (!methodArgs[index].IsOut)
+                    {
+                        throw new InvalidOperationException($"Method \"{svcName}\" has a invalid ref type \"{argType.Name}\".");
+                    }
+
+                    generator.Emit(OpCodes.Ldloca_S, (byte)local.LocalIndex);
+                }
+                else
+                {
+                    generator.Emit(OpCodes.Ldarg_1);
+                    generator.Emit(OpCodes.Ldfld, GetStateFieldX(byRefArgsCount + index));
+
+                    ConvertToArgType(argType);
+                }
+            }
+
+            generator.Emit(OpCodes.Call, methodInfo);
+
+            int outRegIndex = 0;
+
+            Type retType = methodInfo.ReturnType;
+
+            //Print result code.
+            if (retType == typeof(KernelResult))
+            {
+                MethodInfo printResultMethod = typeof(SvcTable).GetMethod(nameof(PrintResult), staticNonPublic);
+
+                generator.Emit(OpCodes.Dup);
+                generator.Emit(OpCodes.Ldstr, svcName);
+                generator.Emit(OpCodes.Call, printResultMethod);
+            }
+
+            //Save return value into register X0 (when the method has a return value).
+            if (retType != typeof(void))
+            {
+                CheckIfTypeIsSupported(retType, svcName);
+
+                LocalBuilder tempLocal = generator.DeclareLocal(retType);
+
+                generator.Emit(OpCodes.Stloc, tempLocal);
+                generator.Emit(OpCodes.Ldarg_1);
+                generator.Emit(OpCodes.Ldloc, tempLocal);
+
+                ConvertToFieldType(retType);
+
+                generator.Emit(OpCodes.Stfld, GetStateFieldX(outRegIndex++));
+            }
+
+            for (int index = 0; index < locals.Count; index++)
+            {
+                generator.Emit(OpCodes.Ldarg_1);
+                generator.Emit(OpCodes.Ldloc, locals[index]);
+
+                ConvertToFieldType(locals[index].LocalType);
+
+                generator.Emit(OpCodes.Stfld, GetStateFieldX(outRegIndex++));
+            }
+
+            //Zero out the remaining unused registers.
+            while (outRegIndex < SvcFuncMaxArguments)
+            {
+                generator.Emit(OpCodes.Ldarg_1);
+                generator.Emit(OpCodes.Ldc_I8, 0L);
+                generator.Emit(OpCodes.Stfld, GetStateFieldX(outRegIndex++));
+            }
+
+            generator.Emit(OpCodes.Ret);
+
+            return (Action<SvcHandler, CpuThreadState>)method.CreateDelegate(typeof(Action<SvcHandler, CpuThreadState>));
+        }
+
+        private static FieldInfo GetStateFieldX(int index)
+        {
+            switch (index)
+            {
+                case 0: return typeof(CpuThreadState).GetField(nameof(CpuThreadState.X0));
+                case 1: return typeof(CpuThreadState).GetField(nameof(CpuThreadState.X1));
+                case 2: return typeof(CpuThreadState).GetField(nameof(CpuThreadState.X2));
+                case 3: return typeof(CpuThreadState).GetField(nameof(CpuThreadState.X3));
+                case 4: return typeof(CpuThreadState).GetField(nameof(CpuThreadState.X4));
+                case 5: return typeof(CpuThreadState).GetField(nameof(CpuThreadState.X5));
+                case 6: return typeof(CpuThreadState).GetField(nameof(CpuThreadState.X6));
+                case 7: return typeof(CpuThreadState).GetField(nameof(CpuThreadState.X7));
+            }
+
+            throw new ArgumentOutOfRangeException(nameof(index));
+        }
+
+        private static void CheckIfTypeIsSupported(Type type, string svcName)
+        {
+            switch (Type.GetTypeCode(type))
+            {
+                case TypeCode.UInt64:
+                case TypeCode.Int64:
+                case TypeCode.UInt32:
+                case TypeCode.Int32:
+                case TypeCode.UInt16:
+                case TypeCode.Int16:
+                case TypeCode.Byte:
+                case TypeCode.SByte:
+                case TypeCode.Boolean:
+                    return;
+            }
+
+            throw new InvalidSvcException($"Method \"{svcName}\" has a invalid ref type \"{type.Name}\".");
+        }
+
+        private static void PrintResult(KernelResult result, string svcName)
+        {
+            if (result != KernelResult.Success   &&
+                result != KernelResult.TimedOut  &&
+                result != KernelResult.Cancelled &&
+                result != KernelResult.InvalidState)
+            {
+                Logger.PrintWarning(LogClass.KernelSvc, $"{svcName} returned error {result}.");
+            }
+            else
+            {
+                Logger.PrintDebug(LogClass.KernelSvc, $"{svcName} returned result {result}.");
+            }
+        }
+
+        private static void PrintArguments(object[] argValues, string format)
+        {
+            Logger.PrintDebug(LogClass.KernelSvc, string.Format(format, argValues));
+        }
+    }
+}
\ No newline at end of file
diff --git a/Ryujinx.HLE/HOS/Kernel/SupervisorCall/SvcThread.cs b/Ryujinx.HLE/HOS/Kernel/SupervisorCall/SvcThread.cs
new file mode 100644
index 00000000..1e1927fe
--- /dev/null
+++ b/Ryujinx.HLE/HOS/Kernel/SupervisorCall/SvcThread.cs
@@ -0,0 +1,420 @@
+using Ryujinx.HLE.HOS.Kernel.Common;
+using Ryujinx.HLE.HOS.Kernel.Process;
+using Ryujinx.HLE.HOS.Kernel.Threading;
+
+namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
+{
+    partial class SvcHandler
+    {
+        public KernelResult CreateThread64(
+            ulong   entrypoint,
+            ulong   argsPtr,
+            ulong   stackTop,
+            int     priority,
+            int     cpuCore,
+            out int handle)
+        {
+            return CreateThread(entrypoint, argsPtr, stackTop, priority, cpuCore, out handle);
+        }
+
+        private KernelResult CreateThread(
+            ulong   entrypoint,
+            ulong   argsPtr,
+            ulong   stackTop,
+            int     priority,
+            int     cpuCore,
+            out int handle)
+        {
+            handle = 0;
+
+            KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
+
+            if (cpuCore == -2)
+            {
+                cpuCore = currentProcess.DefaultCpuCore;
+            }
+
+            if ((uint)cpuCore >= KScheduler.CpuCoresCount || !currentProcess.IsCpuCoreAllowed(cpuCore))
+            {
+                return KernelResult.InvalidCpuCore;
+            }
+
+            if ((uint)priority >= KScheduler.PrioritiesCount || !currentProcess.IsPriorityAllowed(priority))
+            {
+                return KernelResult.InvalidPriority;
+            }
+
+            long timeout = KTimeManager.ConvertMillisecondsToNanoseconds(100);
+
+            if (currentProcess.ResourceLimit != null &&
+               !currentProcess.ResourceLimit.Reserve(LimitableResource.Thread, 1, timeout))
+            {
+                return KernelResult.ResLimitExceeded;
+            }
+
+            KThread thread = new KThread(_system);
+
+            KernelResult result = currentProcess.InitializeThread(
+                thread,
+                entrypoint,
+                argsPtr,
+                stackTop,
+                priority,
+                cpuCore);
+
+            if (result != KernelResult.Success)
+            {
+                currentProcess.ResourceLimit?.Release(LimitableResource.Thread, 1);
+
+                return result;
+            }
+
+            result = _process.HandleTable.GenerateHandle(thread, out handle);
+
+            if (result != KernelResult.Success)
+            {
+                thread.Terminate();
+
+                currentProcess.ResourceLimit?.Release(LimitableResource.Thread, 1);
+            }
+
+            return result;
+        }
+
+        public KernelResult StartThread64(int handle)
+        {
+            return StartThread(handle);
+        }
+
+        private KernelResult StartThread(int handle)
+        {
+            KThread thread = _process.HandleTable.GetObject<KThread>(handle);
+
+            if (thread != null)
+            {
+                return thread.Start();
+            }
+            else
+            {
+                return KernelResult.InvalidHandle;
+            }
+        }
+
+        public void ExitThread64()
+        {
+            ExitThread();
+        }
+
+        private void ExitThread()
+        {
+            KThread currentThread = _system.Scheduler.GetCurrentThread();
+
+            _system.Scheduler.ExitThread(currentThread);
+
+            currentThread.Exit();
+        }
+
+        public void SleepThread64(long timeout)
+        {
+            SleepThread(timeout);
+        }
+
+        private void SleepThread(long timeout)
+        {
+            KThread currentThread = _system.Scheduler.GetCurrentThread();
+
+            if (timeout < 1)
+            {
+                switch (timeout)
+                {
+                    case  0: currentThread.Yield();                        break;
+                    case -1: currentThread.YieldWithLoadBalancing();       break;
+                    case -2: currentThread.YieldAndWaitForLoadBalancing(); break;
+                }
+            }
+            else
+            {
+                currentThread.Sleep(timeout);
+            }
+        }
+
+        public KernelResult GetThreadPriority64(int handle, out int priority)
+        {
+            return GetThreadPriority(handle, out priority);
+        }
+
+        private KernelResult GetThreadPriority(int handle, out int priority)
+        {
+            KThread thread = _process.HandleTable.GetKThread(handle);
+
+            if (thread != null)
+            {
+                priority = thread.DynamicPriority;
+
+                return KernelResult.Success;
+            }
+            else
+            {
+                priority = 0;
+
+                return KernelResult.InvalidHandle;
+            }
+        }
+
+        public KernelResult SetThreadPriority64(int handle, int priority)
+        {
+            return SetThreadPriority(handle, priority);
+        }
+
+        public KernelResult SetThreadPriority(int handle, int priority)
+        {
+            //TODO: NPDM check.
+
+            KThread thread = _process.HandleTable.GetKThread(handle);
+
+            if (thread == null)
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            thread.SetPriority(priority);
+
+            return KernelResult.Success;
+        }
+
+        public KernelResult GetThreadCoreMask64(int handle, out int preferredCore, out long affinityMask)
+        {
+            return GetThreadCoreMask(handle, out preferredCore, out affinityMask);
+        }
+
+        private KernelResult GetThreadCoreMask(int handle, out int preferredCore, out long affinityMask)
+        {
+            KThread thread = _process.HandleTable.GetKThread(handle);
+
+            if (thread != null)
+            {
+                preferredCore = thread.PreferredCore;
+                affinityMask  = thread.AffinityMask;
+
+                return KernelResult.Success;
+            }
+            else
+            {
+                preferredCore = 0;
+                affinityMask  = 0;
+
+                return KernelResult.InvalidHandle;
+            }
+        }
+
+        public KernelResult SetThreadCoreMask64(int handle, int preferredCore, long affinityMask)
+        {
+            return SetThreadCoreMask(handle, preferredCore, affinityMask);
+        }
+
+        private KernelResult SetThreadCoreMask(int handle, int preferredCore, long affinityMask)
+        {
+            KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
+
+            if (preferredCore == -2)
+            {
+                preferredCore = currentProcess.DefaultCpuCore;
+
+                affinityMask = 1 << preferredCore;
+            }
+            else
+            {
+                if ((currentProcess.Capabilities.AllowedCpuCoresMask | affinityMask) !=
+                     currentProcess.Capabilities.AllowedCpuCoresMask)
+                {
+                    return KernelResult.InvalidCpuCore;
+                }
+
+                if (affinityMask == 0)
+                {
+                    return KernelResult.InvalidCombination;
+                }
+
+                if ((uint)preferredCore > 3)
+                {
+                    if ((preferredCore | 2) != -1)
+                    {
+                        return KernelResult.InvalidCpuCore;
+                    }
+                }
+                else if ((affinityMask & (1 << preferredCore)) == 0)
+                {
+                    return KernelResult.InvalidCombination;
+                }
+            }
+
+            KThread thread = _process.HandleTable.GetKThread(handle);
+
+            if (thread == null)
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            return thread.SetCoreAndAffinityMask(preferredCore, affinityMask);
+        }
+
+        public int GetCurrentProcessorNumber64()
+        {
+            return _system.Scheduler.GetCurrentThread().CurrentCore;
+        }
+
+        public KernelResult GetThreadId64(int handle, out long threadUid)
+        {
+            return GetThreadId(handle, out threadUid);
+        }
+
+        private KernelResult GetThreadId(int handle, out long threadUid)
+        {
+            KThread thread = _process.HandleTable.GetKThread(handle);
+
+            if (thread != null)
+            {
+                threadUid = thread.ThreadUid;
+
+                return KernelResult.Success;
+            }
+            else
+            {
+                threadUid = 0;
+
+                return KernelResult.InvalidHandle;
+            }
+        }
+
+        public KernelResult SetThreadActivity64(int handle, bool pause)
+        {
+            return SetThreadActivity(handle, pause);
+        }
+
+        private KernelResult SetThreadActivity(int handle, bool pause)
+        {
+            KThread thread = _process.HandleTable.GetObject<KThread>(handle);
+
+            if (thread == null)
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            if (thread.Owner != _system.Scheduler.GetCurrentProcess())
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            if (thread == _system.Scheduler.GetCurrentThread())
+            {
+                return KernelResult.InvalidThread;
+            }
+
+            return thread.SetActivity(pause);
+        }
+
+        public KernelResult GetThreadContext364(ulong address, int handle)
+        {
+            return GetThreadContext3(address, handle);
+        }
+
+        private KernelResult GetThreadContext3(ulong address, int handle)
+        {
+            KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
+            KThread  currentThread  = _system.Scheduler.GetCurrentThread();
+
+            KThread thread = _process.HandleTable.GetObject<KThread>(handle);
+
+            if (thread == null)
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            if (thread.Owner != currentProcess)
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            if (currentThread == thread)
+            {
+                return KernelResult.InvalidThread;
+            }
+
+            _memory.WriteUInt64((long)address + 0x0,  thread.Context.ThreadState.X0);
+            _memory.WriteUInt64((long)address + 0x8,  thread.Context.ThreadState.X1);
+            _memory.WriteUInt64((long)address + 0x10, thread.Context.ThreadState.X2);
+            _memory.WriteUInt64((long)address + 0x18, thread.Context.ThreadState.X3);
+            _memory.WriteUInt64((long)address + 0x20, thread.Context.ThreadState.X4);
+            _memory.WriteUInt64((long)address + 0x28, thread.Context.ThreadState.X5);
+            _memory.WriteUInt64((long)address + 0x30, thread.Context.ThreadState.X6);
+            _memory.WriteUInt64((long)address + 0x38, thread.Context.ThreadState.X7);
+            _memory.WriteUInt64((long)address + 0x40, thread.Context.ThreadState.X8);
+            _memory.WriteUInt64((long)address + 0x48, thread.Context.ThreadState.X9);
+            _memory.WriteUInt64((long)address + 0x50, thread.Context.ThreadState.X10);
+            _memory.WriteUInt64((long)address + 0x58, thread.Context.ThreadState.X11);
+            _memory.WriteUInt64((long)address + 0x60, thread.Context.ThreadState.X12);
+            _memory.WriteUInt64((long)address + 0x68, thread.Context.ThreadState.X13);
+            _memory.WriteUInt64((long)address + 0x70, thread.Context.ThreadState.X14);
+            _memory.WriteUInt64((long)address + 0x78, thread.Context.ThreadState.X15);
+            _memory.WriteUInt64((long)address + 0x80, thread.Context.ThreadState.X16);
+            _memory.WriteUInt64((long)address + 0x88, thread.Context.ThreadState.X17);
+            _memory.WriteUInt64((long)address + 0x90, thread.Context.ThreadState.X18);
+            _memory.WriteUInt64((long)address + 0x98, thread.Context.ThreadState.X19);
+            _memory.WriteUInt64((long)address + 0xa0, thread.Context.ThreadState.X20);
+            _memory.WriteUInt64((long)address + 0xa8, thread.Context.ThreadState.X21);
+            _memory.WriteUInt64((long)address + 0xb0, thread.Context.ThreadState.X22);
+            _memory.WriteUInt64((long)address + 0xb8, thread.Context.ThreadState.X23);
+            _memory.WriteUInt64((long)address + 0xc0, thread.Context.ThreadState.X24);
+            _memory.WriteUInt64((long)address + 0xc8, thread.Context.ThreadState.X25);
+            _memory.WriteUInt64((long)address + 0xd0, thread.Context.ThreadState.X26);
+            _memory.WriteUInt64((long)address + 0xd8, thread.Context.ThreadState.X27);
+            _memory.WriteUInt64((long)address + 0xe0, thread.Context.ThreadState.X28);
+            _memory.WriteUInt64((long)address + 0xe8, thread.Context.ThreadState.X29);
+            _memory.WriteUInt64((long)address + 0xf0, thread.Context.ThreadState.X30);
+            _memory.WriteUInt64((long)address + 0xf8, thread.Context.ThreadState.X31);
+
+            _memory.WriteInt64((long)address + 0x100, thread.LastPc);
+
+            _memory.WriteUInt64((long)address + 0x108, (ulong)thread.Context.ThreadState.Psr);
+
+            _memory.WriteVector128((long)address + 0x110, thread.Context.ThreadState.V0);
+            _memory.WriteVector128((long)address + 0x120, thread.Context.ThreadState.V1);
+            _memory.WriteVector128((long)address + 0x130, thread.Context.ThreadState.V2);
+            _memory.WriteVector128((long)address + 0x140, thread.Context.ThreadState.V3);
+            _memory.WriteVector128((long)address + 0x150, thread.Context.ThreadState.V4);
+            _memory.WriteVector128((long)address + 0x160, thread.Context.ThreadState.V5);
+            _memory.WriteVector128((long)address + 0x170, thread.Context.ThreadState.V6);
+            _memory.WriteVector128((long)address + 0x180, thread.Context.ThreadState.V7);
+            _memory.WriteVector128((long)address + 0x190, thread.Context.ThreadState.V8);
+            _memory.WriteVector128((long)address + 0x1a0, thread.Context.ThreadState.V9);
+            _memory.WriteVector128((long)address + 0x1b0, thread.Context.ThreadState.V10);
+            _memory.WriteVector128((long)address + 0x1c0, thread.Context.ThreadState.V11);
+            _memory.WriteVector128((long)address + 0x1d0, thread.Context.ThreadState.V12);
+            _memory.WriteVector128((long)address + 0x1e0, thread.Context.ThreadState.V13);
+            _memory.WriteVector128((long)address + 0x1f0, thread.Context.ThreadState.V14);
+            _memory.WriteVector128((long)address + 0x200, thread.Context.ThreadState.V15);
+            _memory.WriteVector128((long)address + 0x210, thread.Context.ThreadState.V16);
+            _memory.WriteVector128((long)address + 0x220, thread.Context.ThreadState.V17);
+            _memory.WriteVector128((long)address + 0x230, thread.Context.ThreadState.V18);
+            _memory.WriteVector128((long)address + 0x240, thread.Context.ThreadState.V19);
+            _memory.WriteVector128((long)address + 0x250, thread.Context.ThreadState.V20);
+            _memory.WriteVector128((long)address + 0x260, thread.Context.ThreadState.V21);
+            _memory.WriteVector128((long)address + 0x270, thread.Context.ThreadState.V22);
+            _memory.WriteVector128((long)address + 0x280, thread.Context.ThreadState.V23);
+            _memory.WriteVector128((long)address + 0x290, thread.Context.ThreadState.V24);
+            _memory.WriteVector128((long)address + 0x2a0, thread.Context.ThreadState.V25);
+            _memory.WriteVector128((long)address + 0x2b0, thread.Context.ThreadState.V26);
+            _memory.WriteVector128((long)address + 0x2c0, thread.Context.ThreadState.V27);
+            _memory.WriteVector128((long)address + 0x2d0, thread.Context.ThreadState.V28);
+            _memory.WriteVector128((long)address + 0x2e0, thread.Context.ThreadState.V29);
+            _memory.WriteVector128((long)address + 0x2f0, thread.Context.ThreadState.V30);
+            _memory.WriteVector128((long)address + 0x300, thread.Context.ThreadState.V31);
+
+            _memory.WriteInt32((long)address + 0x310, thread.Context.ThreadState.Fpcr);
+            _memory.WriteInt32((long)address + 0x314, thread.Context.ThreadState.Fpsr);
+            _memory.WriteInt64((long)address + 0x318, thread.Context.ThreadState.Tpidr);
+
+            return KernelResult.Success;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Ryujinx.HLE/HOS/Kernel/SupervisorCall/SvcThreadSync.cs b/Ryujinx.HLE/HOS/Kernel/SupervisorCall/SvcThreadSync.cs
new file mode 100644
index 00000000..ecda9e2d
--- /dev/null
+++ b/Ryujinx.HLE/HOS/Kernel/SupervisorCall/SvcThreadSync.cs
@@ -0,0 +1,250 @@
+using Ryujinx.HLE.HOS.Kernel.Common;
+using Ryujinx.HLE.HOS.Kernel.Process;
+using Ryujinx.HLE.HOS.Kernel.Threading;
+using System.Collections.Generic;
+
+namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
+{
+    partial class SvcHandler
+    {
+        public KernelResult WaitSynchronization64(ulong handlesPtr, int handlesCount, long timeout, out int handleIndex)
+        {
+            return WaitSynchronization(handlesPtr, handlesCount, timeout, out handleIndex);
+        }
+
+        private KernelResult WaitSynchronization(ulong handlesPtr, int handlesCount, long timeout, out int handleIndex)
+        {
+            handleIndex = 0;
+
+            if ((uint)handlesCount > 0x40)
+            {
+                return KernelResult.MaximumExceeded;
+            }
+
+            List<KSynchronizationObject> syncObjs = new List<KSynchronizationObject>();
+
+            for (int index = 0; index < handlesCount; index++)
+            {
+                int handle = _memory.ReadInt32((long)handlesPtr + index * 4);
+
+                KSynchronizationObject syncObj = _process.HandleTable.GetObject<KSynchronizationObject>(handle);
+
+                if (syncObj == null)
+                {
+                    break;
+                }
+
+                syncObjs.Add(syncObj);
+            }
+
+            return _system.Synchronization.WaitFor(syncObjs.ToArray(), timeout, out handleIndex);
+        }
+
+        public KernelResult CancelSynchronization64(int handle)
+        {
+            return CancelSynchronization(handle);
+        }
+
+        private KernelResult CancelSynchronization(int handle)
+        {
+            KThread thread = _process.HandleTable.GetKThread(handle);
+
+            if (thread == null)
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            thread.CancelSynchronization();
+
+            return KernelResult.Success;
+        }
+
+        public KernelResult ArbitrateLock64(int ownerHandle, ulong mutexAddress, int requesterHandle)
+        {
+            return ArbitrateLock(ownerHandle, mutexAddress, requesterHandle);
+        }
+
+        private KernelResult ArbitrateLock(int ownerHandle, ulong mutexAddress, int requesterHandle)
+        {
+            if (IsPointingInsideKernel(mutexAddress))
+            {
+                return KernelResult.InvalidMemState;
+            }
+
+            if (IsAddressNotWordAligned(mutexAddress))
+            {
+                return KernelResult.InvalidAddress;
+            }
+
+            KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
+
+            return currentProcess.AddressArbiter.ArbitrateLock(ownerHandle, mutexAddress, requesterHandle);
+        }
+
+        public KernelResult ArbitrateUnlock64(ulong mutexAddress)
+        {
+            return ArbitrateUnlock(mutexAddress);
+        }
+
+        private KernelResult ArbitrateUnlock(ulong mutexAddress)
+        {
+            if (IsPointingInsideKernel(mutexAddress))
+            {
+                return KernelResult.InvalidMemState;
+            }
+
+            if (IsAddressNotWordAligned(mutexAddress))
+            {
+                return KernelResult.InvalidAddress;
+            }
+
+            KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
+
+            return currentProcess.AddressArbiter.ArbitrateUnlock(mutexAddress);
+        }
+
+        public KernelResult WaitProcessWideKeyAtomic64(
+            ulong mutexAddress,
+            ulong condVarAddress,
+            int   handle,
+            long  timeout)
+        {
+            return WaitProcessWideKeyAtomic(mutexAddress, condVarAddress, handle, timeout);
+        }
+
+        private KernelResult WaitProcessWideKeyAtomic(
+            ulong mutexAddress,
+            ulong condVarAddress,
+            int   handle,
+            long  timeout)
+        {
+            if (IsPointingInsideKernel(mutexAddress))
+            {
+                return KernelResult.InvalidMemState;
+            }
+
+            if (IsAddressNotWordAligned(mutexAddress))
+            {
+                return KernelResult.InvalidAddress;
+            }
+
+            KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
+
+            return currentProcess.AddressArbiter.WaitProcessWideKeyAtomic(
+                mutexAddress,
+                condVarAddress,
+                handle,
+                timeout);
+        }
+
+        public KernelResult SignalProcessWideKey64(ulong address, int count)
+        {
+            return SignalProcessWideKey(address, count);
+        }
+
+        private KernelResult SignalProcessWideKey(ulong address, int count)
+        {
+            KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
+
+            currentProcess.AddressArbiter.SignalProcessWideKey(address, count);
+
+            return KernelResult.Success;
+        }
+
+        public KernelResult WaitForAddress64(ulong address, ArbitrationType type, int value, long timeout)
+        {
+            return WaitForAddress(address, type, value, timeout);
+        }
+
+        private KernelResult WaitForAddress(ulong address, ArbitrationType type, int value, long timeout)
+        {
+            if (IsPointingInsideKernel(address))
+            {
+                return KernelResult.InvalidMemState;
+            }
+
+            if (IsAddressNotWordAligned(address))
+            {
+                return KernelResult.InvalidAddress;
+            }
+
+            KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
+
+            KernelResult result;
+
+            switch (type)
+            {
+                case ArbitrationType.WaitIfLessThan:
+                    result = currentProcess.AddressArbiter.WaitForAddressIfLessThan(address, value, false, timeout);
+                    break;
+
+                case ArbitrationType.DecrementAndWaitIfLessThan:
+                    result = currentProcess.AddressArbiter.WaitForAddressIfLessThan(address, value, true, timeout);
+                    break;
+
+                case ArbitrationType.WaitIfEqual:
+                    result = currentProcess.AddressArbiter.WaitForAddressIfEqual(address, value, timeout);
+                    break;
+
+                default:
+                    result = KernelResult.InvalidEnumValue;
+                    break;
+            }
+
+            return result;
+        }
+
+        public KernelResult SignalToAddress64(ulong address, SignalType type, int value, int count)
+        {
+            return SignalToAddress(address, type, value, count);
+        }
+
+        private KernelResult SignalToAddress(ulong address, SignalType type, int value, int count)
+        {
+            if (IsPointingInsideKernel(address))
+            {
+                return KernelResult.InvalidMemState;
+            }
+
+            if (IsAddressNotWordAligned(address))
+            {
+                return KernelResult.InvalidAddress;
+            }
+
+            KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
+
+            KernelResult result;
+
+            switch (type)
+            {
+                case SignalType.Signal:
+                    result = currentProcess.AddressArbiter.Signal(address, count);
+                    break;
+
+                case SignalType.SignalAndIncrementIfEqual:
+                    result = currentProcess.AddressArbiter.SignalAndIncrementIfEqual(address, value, count);
+                    break;
+
+                case SignalType.SignalAndModifyIfEqual:
+                    result = currentProcess.AddressArbiter.SignalAndModifyIfEqual(address, value, count);
+                    break;
+
+                default:
+                    result = KernelResult.InvalidEnumValue;
+                    break;
+            }
+
+            return result;
+        }
+
+        private bool IsPointingInsideKernel(ulong address)
+        {
+            return (address + 0x1000000000) < 0xffffff000;
+        }
+
+        private bool IsAddressNotWordAligned(ulong address)
+        {
+            return (address & 3) != 0;
+        }
+    }
+}
\ No newline at end of file