Move solution and projects to src

1 files changed, 3010 insertions, 0 deletions

diff --git a/src/Ryujinx.HLE/HOS/Kernel/SupervisorCall/Syscall.cs b/src/Ryujinx.HLE/HOS/Kernel/SupervisorCall/Syscall.cs
new file mode 100644
index 00000000..3163c348
--- /dev/null
+++ b/src/Ryujinx.HLE/HOS/Kernel/SupervisorCall/Syscall.cs
@@ -0,0 +1,3010 @@
+using Ryujinx.Common;
+using Ryujinx.Common.Logging;
+using Ryujinx.Cpu;
+using Ryujinx.HLE.Exceptions;
+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.Horizon.Common;
+using System;
+using System.Buffers;
+using System.Threading;
+
+namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
+{
+    [SvcImpl]
+    class Syscall : ISyscallApi
+    {
+        private readonly KernelContext _context;
+
+        public Syscall(KernelContext context)
+        {
+            _context = context;
+        }
+
+        // Process
+
+        [Svc(0x24)]
+        public Result GetProcessId(out ulong pid, int handle)
+        {
+            KProcess currentProcess = KernelStatic.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
+                ? Result.Success
+                : KernelResult.InvalidHandle;
+        }
+
+        public Result CreateProcess(
+            out int handle,
+            ProcessCreationInfo info,
+            ReadOnlySpan<uint> capabilities,
+            IProcessContextFactory contextFactory,
+            ThreadStart customThreadStart = null)
+        {
+            handle = 0;
+
+            if ((info.Flags & ~ProcessCreationFlags.All) != 0)
+            {
+                return KernelResult.InvalidEnumValue;
+            }
+
+            // TODO: Address space check.
+
+            if ((info.Flags & ProcessCreationFlags.PoolPartitionMask) > ProcessCreationFlags.PoolPartitionSystemNonSecure)
+            {
+                return KernelResult.InvalidEnumValue;
+            }
+
+            if ((info.CodeAddress & 0x1fffff) != 0)
+            {
+                return KernelResult.InvalidAddress;
+            }
+
+            if (info.CodePagesCount < 0 || info.SystemResourcePagesCount < 0)
+            {
+                return KernelResult.InvalidSize;
+            }
+
+            if (info.Flags.HasFlag(ProcessCreationFlags.OptimizeMemoryAllocation) &&
+                !info.Flags.HasFlag(ProcessCreationFlags.IsApplication))
+            {
+                return KernelResult.InvalidThread;
+            }
+
+            KHandleTable handleTable = KernelStatic.GetCurrentProcess().HandleTable;
+
+            KProcess process = new KProcess(_context);
+
+            using var _ = new OnScopeExit(process.DecrementReferenceCount);
+
+            KResourceLimit resourceLimit;
+
+            if (info.ResourceLimitHandle != 0)
+            {
+                resourceLimit = handleTable.GetObject<KResourceLimit>(info.ResourceLimitHandle);
+
+                if (resourceLimit == null)
+                {
+                    return KernelResult.InvalidHandle;
+                }
+            }
+            else
+            {
+                resourceLimit = _context.ResourceLimit;
+            }
+
+            MemoryRegion memRegion = (info.Flags & ProcessCreationFlags.PoolPartitionMask) switch
+            {
+                ProcessCreationFlags.PoolPartitionApplication => MemoryRegion.Application,
+                ProcessCreationFlags.PoolPartitionApplet => MemoryRegion.Applet,
+                ProcessCreationFlags.PoolPartitionSystem => MemoryRegion.Service,
+                ProcessCreationFlags.PoolPartitionSystemNonSecure => MemoryRegion.NvServices,
+                _ => MemoryRegion.NvServices
+            };
+
+            Result result = process.Initialize(
+                info,
+                capabilities,
+                resourceLimit,
+                memRegion,
+                contextFactory,
+                customThreadStart);
+
+            if (result != Result.Success)
+            {
+                return result;
+            }
+
+            _context.Processes.TryAdd(process.Pid, process);
+
+            return handleTable.GenerateHandle(process, out handle);
+        }
+
+        public Result StartProcess(int handle, int priority, int cpuCore, ulong mainThreadStackSize)
+        {
+            KProcess process = KernelStatic.GetCurrentProcess().HandleTable.GetObject<KProcess>(handle);
+
+            if (process == null)
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            if ((uint)cpuCore >= KScheduler.CpuCoresCount || !process.IsCpuCoreAllowed(cpuCore))
+            {
+                return KernelResult.InvalidCpuCore;
+            }
+
+            if ((uint)priority >= KScheduler.PrioritiesCount || !process.IsPriorityAllowed(priority))
+            {
+                return KernelResult.InvalidPriority;
+            }
+
+            process.DefaultCpuCore = cpuCore;
+
+            Result result = process.Start(priority, mainThreadStackSize);
+
+            if (result != Result.Success)
+            {
+                return result;
+            }
+
+            process.IncrementReferenceCount();
+
+            return Result.Success;
+        }
+
+        [Svc(0x5f)]
+        public Result FlushProcessDataCache(int processHandle, ulong address, ulong size)
+        {
+            // FIXME: This needs to be implemented as ARMv7 doesn't have any way to do cache maintenance operations on EL0.
+            // As we don't support (and don't actually need) to flush the cache, this is stubbed.
+            return Result.Success;
+        }
+
+        // IPC
+
+        [Svc(0x1f)]
+        public Result ConnectToNamedPort(out int handle, [PointerSized] ulong namePtr)
+        {
+            handle = 0;
+
+            if (!KernelTransfer.UserToKernelString(out string name, namePtr, 12))
+            {
+                return KernelResult.UserCopyFailed;
+            }
+
+            return ConnectToNamedPort(out handle, name);
+        }
+
+        public Result ConnectToNamedPort(out int handle, string name)
+        {
+            handle = 0;
+
+            if (name.Length > 11)
+            {
+                return KernelResult.MaximumExceeded;
+            }
+
+            KAutoObject autoObj = KAutoObject.FindNamedObject(_context, name);
+
+            if (autoObj is not KClientPort clientPort)
+            {
+                return KernelResult.NotFound;
+            }
+
+            KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+            Result result = currentProcess.HandleTable.ReserveHandle(out handle);
+
+            if (result != Result.Success)
+            {
+                return result;
+            }
+
+            result = clientPort.Connect(out KClientSession clientSession);
+
+            if (result != Result.Success)
+            {
+                currentProcess.HandleTable.CancelHandleReservation(handle);
+
+                return result;
+            }
+
+            currentProcess.HandleTable.SetReservedHandleObj(handle, clientSession);
+
+            clientSession.DecrementReferenceCount();
+
+            return result;
+        }
+
+        [Svc(0x21)]
+        public Result SendSyncRequest(int handle)
+        {
+            KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+            KClientSession session = currentProcess.HandleTable.GetObject<KClientSession>(handle);
+
+            if (session == null)
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            return session.SendSyncRequest();
+        }
+
+        [Svc(0x22)]
+        public Result SendSyncRequestWithUserBuffer(
+            [PointerSized] ulong messagePtr,
+            [PointerSized] ulong messageSize,
+            int handle)
+        {
+            if (!PageAligned(messagePtr))
+            {
+                return KernelResult.InvalidAddress;
+            }
+
+            if (!PageAligned(messageSize) || messageSize == 0)
+            {
+                return KernelResult.InvalidSize;
+            }
+
+            if (messagePtr + messageSize <= messagePtr)
+            {
+                return KernelResult.InvalidMemState;
+            }
+
+            KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+            Result result = currentProcess.MemoryManager.BorrowIpcBuffer(messagePtr, messageSize);
+
+            if (result != Result.Success)
+            {
+                return result;
+            }
+
+            KClientSession session = currentProcess.HandleTable.GetObject<KClientSession>(handle);
+
+            if (session == null)
+            {
+                result = KernelResult.InvalidHandle;
+            }
+            else
+            {
+                result = session.SendSyncRequest(messagePtr, messageSize);
+            }
+
+            Result result2 = currentProcess.MemoryManager.UnborrowIpcBuffer(messagePtr, messageSize);
+
+            if (result == Result.Success)
+            {
+                result = result2;
+            }
+
+            return result;
+        }
+
+        [Svc(0x23)]
+        public Result SendAsyncRequestWithUserBuffer(
+            out int doneEventHandle,
+            [PointerSized] ulong messagePtr,
+            [PointerSized] ulong messageSize,
+            int handle)
+        {
+            doneEventHandle = 0;
+
+            if (!PageAligned(messagePtr))
+            {
+                return KernelResult.InvalidAddress;
+            }
+
+            if (!PageAligned(messageSize) || messageSize == 0)
+            {
+                return KernelResult.InvalidSize;
+            }
+
+            if (messagePtr + messageSize <= messagePtr)
+            {
+                return KernelResult.InvalidMemState;
+            }
+
+            KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+            Result result = currentProcess.MemoryManager.BorrowIpcBuffer(messagePtr, messageSize);
+
+            if (result != Result.Success)
+            {
+                return result;
+            }
+
+            KResourceLimit resourceLimit = currentProcess.ResourceLimit;
+
+            if (resourceLimit != null && !resourceLimit.Reserve(LimitableResource.Event, 1))
+            {
+                currentProcess.MemoryManager.UnborrowIpcBuffer(messagePtr, messageSize);
+
+                return KernelResult.ResLimitExceeded;
+            }
+
+            KClientSession session = currentProcess.HandleTable.GetObject<KClientSession>(handle);
+
+            if (session == null)
+            {
+                result = KernelResult.InvalidHandle;
+            }
+            else
+            {
+                KEvent doneEvent = new KEvent(_context);
+
+                result = currentProcess.HandleTable.GenerateHandle(doneEvent.ReadableEvent, out doneEventHandle);
+
+                if (result == Result.Success)
+                {
+                    result = session.SendAsyncRequest(doneEvent.WritableEvent, messagePtr, messageSize);
+
+                    if (result != Result.Success)
+                    {
+                        currentProcess.HandleTable.CloseHandle(doneEventHandle);
+                    }
+                }
+            }
+
+            if (result != Result.Success)
+            {
+                resourceLimit?.Release(LimitableResource.Event, 1);
+
+                currentProcess.MemoryManager.UnborrowIpcBuffer(messagePtr, messageSize);
+            }
+
+            return result;
+        }
+
+        [Svc(0x40)]
+        public Result CreateSession(
+            out int serverSessionHandle,
+            out int clientSessionHandle,
+            bool isLight,
+            [PointerSized] ulong namePtr)
+        {
+            return CreateSession(out serverSessionHandle, out clientSessionHandle, isLight, null);
+        }
+
+        public Result CreateSession(
+            out int serverSessionHandle,
+            out int clientSessionHandle,
+            bool isLight,
+            string name)
+        {
+            serverSessionHandle = 0;
+            clientSessionHandle = 0;
+
+            KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+            KResourceLimit resourceLimit = currentProcess.ResourceLimit;
+
+            if (resourceLimit != null && !resourceLimit.Reserve(LimitableResource.Session, 1))
+            {
+                return KernelResult.ResLimitExceeded;
+            }
+
+            Result result;
+
+            if (isLight)
+            {
+                KLightSession session = new KLightSession(_context);
+
+                result = currentProcess.HandleTable.GenerateHandle(session.ServerSession, out serverSessionHandle);
+
+                if (result == Result.Success)
+                {
+                    result = currentProcess.HandleTable.GenerateHandle(session.ClientSession, out clientSessionHandle);
+
+                    if (result != Result.Success)
+                    {
+                        currentProcess.HandleTable.CloseHandle(serverSessionHandle);
+
+                        serverSessionHandle = 0;
+                    }
+                }
+
+                session.ServerSession.DecrementReferenceCount();
+                session.ClientSession.DecrementReferenceCount();
+            }
+            else
+            {
+                KSession session = new KSession(_context);
+
+                result = currentProcess.HandleTable.GenerateHandle(session.ServerSession, out serverSessionHandle);
+
+                if (result == Result.Success)
+                {
+                    result = currentProcess.HandleTable.GenerateHandle(session.ClientSession, out clientSessionHandle);
+
+                    if (result != Result.Success)
+                    {
+                        currentProcess.HandleTable.CloseHandle(serverSessionHandle);
+
+                        serverSessionHandle = 0;
+                    }
+                }
+
+                session.ServerSession.DecrementReferenceCount();
+                session.ClientSession.DecrementReferenceCount();
+            }
+
+            return result;
+        }
+
+        [Svc(0x41)]
+        public Result AcceptSession(out int sessionHandle, int portHandle)
+        {
+            sessionHandle = 0;
+
+            KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+            KServerPort serverPort = currentProcess.HandleTable.GetObject<KServerPort>(portHandle);
+
+            if (serverPort == null)
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            Result result = currentProcess.HandleTable.ReserveHandle(out int handle);
+
+            if (result != Result.Success)
+            {
+                return result;
+            }
+
+            KAutoObject session;
+
+            if (serverPort.IsLight)
+            {
+                session = serverPort.AcceptIncomingLightConnection();
+            }
+            else
+            {
+                session = serverPort.AcceptIncomingConnection();
+            }
+
+            if (session != null)
+            {
+                currentProcess.HandleTable.SetReservedHandleObj(handle, session);
+
+                session.DecrementReferenceCount();
+
+                sessionHandle = handle;
+
+                result = Result.Success;
+            }
+            else
+            {
+                currentProcess.HandleTable.CancelHandleReservation(handle);
+
+                result = KernelResult.NotFound;
+            }
+
+            return result;
+        }
+
+        [Svc(0x43)]
+        public Result ReplyAndReceive(
+            out int handleIndex,
+            [PointerSized] ulong handlesPtr,
+            int handlesCount,
+            int replyTargetHandle,
+            long timeout)
+        {
+            handleIndex = 0;
+
+            if ((uint)handlesCount > 0x40)
+            {
+                return KernelResult.MaximumExceeded;
+            }
+
+            KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+            ulong copySize = (ulong)((long)handlesCount * 4);
+
+            if (!currentProcess.MemoryManager.InsideAddrSpace(handlesPtr, copySize))
+            {
+                return KernelResult.UserCopyFailed;
+            }
+
+            if (handlesPtr + copySize < handlesPtr)
+            {
+                return KernelResult.UserCopyFailed;
+            }
+
+            int[] handles = new int[handlesCount];
+
+            if (!KernelTransfer.UserToKernelArray<int>(handlesPtr, handles))
+            {
+                return KernelResult.UserCopyFailed;
+            }
+
+            if (timeout > 0)
+            {
+                timeout += KTimeManager.DefaultTimeIncrementNanoseconds;
+            }
+
+            return ReplyAndReceive(out handleIndex, handles, replyTargetHandle, timeout);
+        }
+
+        public Result ReplyAndReceive(out int handleIndex, ReadOnlySpan<int> handles, int replyTargetHandle, long timeout)
+        {
+            handleIndex = 0;
+
+            KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+            KSynchronizationObject[] syncObjsArray = ArrayPool<KSynchronizationObject>.Shared.Rent(handles.Length);
+
+            Span<KSynchronizationObject> syncObjs = syncObjsArray.AsSpan(0, handles.Length);
+
+            for (int index = 0; index < handles.Length; index++)
+            {
+                KSynchronizationObject obj = currentProcess.HandleTable.GetObject<KSynchronizationObject>(handles[index]);
+
+                if (obj == null)
+                {
+                    return KernelResult.InvalidHandle;
+                }
+
+                syncObjs[index] = obj;
+            }
+
+            Result result = Result.Success;
+
+            if (replyTargetHandle != 0)
+            {
+                KServerSession replyTarget = currentProcess.HandleTable.GetObject<KServerSession>(replyTargetHandle);
+
+                if (replyTarget == null)
+                {
+                    result = KernelResult.InvalidHandle;
+                }
+                else
+                {
+                    result = replyTarget.Reply();
+                }
+            }
+
+            if (result == Result.Success)
+            {
+                if (timeout > 0)
+                {
+                    timeout += KTimeManager.DefaultTimeIncrementNanoseconds;
+                }
+
+                while ((result = _context.Synchronization.WaitFor(syncObjs, timeout, out handleIndex)) == Result.Success)
+                {
+                    KServerSession session = currentProcess.HandleTable.GetObject<KServerSession>(handles[handleIndex]);
+
+                    if (session == null)
+                    {
+                        break;
+                    }
+
+                    if ((result = session.Receive()) != KernelResult.NotFound)
+                    {
+                        break;
+                    }
+                }
+            }
+
+            ArrayPool<KSynchronizationObject>.Shared.Return(syncObjsArray);
+
+            return result;
+        }
+
+        [Svc(0x44)]
+        public Result ReplyAndReceiveWithUserBuffer(
+            out int handleIndex,
+            [PointerSized] ulong messagePtr,
+            [PointerSized] ulong messageSize,
+            [PointerSized] ulong handlesPtr,
+            int handlesCount,
+            int replyTargetHandle,
+            long timeout)
+        {
+            handleIndex = 0;
+
+            if ((uint)handlesCount > 0x40)
+            {
+                return KernelResult.MaximumExceeded;
+            }
+
+            KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+            ulong copySize = (ulong)((long)handlesCount * 4);
+
+            if (!currentProcess.MemoryManager.InsideAddrSpace(handlesPtr, copySize))
+            {
+                return KernelResult.UserCopyFailed;
+            }
+
+            if (handlesPtr + copySize < handlesPtr)
+            {
+                return KernelResult.UserCopyFailed;
+            }
+
+            Result result = currentProcess.MemoryManager.BorrowIpcBuffer(messagePtr, messageSize);
+
+            if (result != Result.Success)
+            {
+                return result;
+            }
+
+            int[] handles = new int[handlesCount];
+
+            if (!KernelTransfer.UserToKernelArray<int>(handlesPtr, handles))
+            {
+                currentProcess.MemoryManager.UnborrowIpcBuffer(messagePtr, messageSize);
+
+                return KernelResult.UserCopyFailed;
+            }
+
+            KSynchronizationObject[] syncObjs = new KSynchronizationObject[handlesCount];
+
+            for (int index = 0; index < handlesCount; index++)
+            {
+                KSynchronizationObject obj = currentProcess.HandleTable.GetObject<KSynchronizationObject>(handles[index]);
+
+                if (obj == null)
+                {
+                    currentProcess.MemoryManager.UnborrowIpcBuffer(messagePtr, messageSize);
+
+                    return KernelResult.InvalidHandle;
+                }
+
+                syncObjs[index] = obj;
+            }
+
+            if (replyTargetHandle != 0)
+            {
+                KServerSession replyTarget = currentProcess.HandleTable.GetObject<KServerSession>(replyTargetHandle);
+
+                if (replyTarget == null)
+                {
+                    result = KernelResult.InvalidHandle;
+                }
+                else
+                {
+                    result = replyTarget.Reply(messagePtr, messageSize);
+                }
+            }
+
+            if (result == Result.Success)
+            {
+                if (timeout > 0)
+                {
+                    timeout += KTimeManager.DefaultTimeIncrementNanoseconds;
+                }
+
+                while ((result = _context.Synchronization.WaitFor(syncObjs, timeout, out handleIndex)) == Result.Success)
+                {
+                    KServerSession session = currentProcess.HandleTable.GetObject<KServerSession>(handles[handleIndex]);
+
+                    if (session == null)
+                    {
+                        break;
+                    }
+
+                    if ((result = session.Receive(messagePtr, messageSize)) != KernelResult.NotFound)
+                    {
+                        break;
+                    }
+                }
+            }
+
+            currentProcess.MemoryManager.UnborrowIpcBuffer(messagePtr, messageSize);
+
+            return result;
+        }
+
+        [Svc(0x70)]
+        public Result CreatePort(
+            out int serverPortHandle,
+            out int clientPortHandle,
+            int maxSessions,
+            bool isLight,
+            [PointerSized] ulong namePtr)
+        {
+            // The kernel doesn't use the name pointer, so we can just pass null as the name.
+            return CreatePort(out serverPortHandle, out clientPortHandle, maxSessions, isLight, null);
+        }
+
+        public Result CreatePort(
+            out int serverPortHandle,
+            out int clientPortHandle,
+            int maxSessions,
+            bool isLight,
+            string name)
+        {
+            serverPortHandle = clientPortHandle = 0;
+
+            if (maxSessions < 1)
+            {
+                return KernelResult.MaximumExceeded;
+            }
+
+            KPort port = new KPort(_context, maxSessions, isLight, name);
+
+            KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+            Result result = currentProcess.HandleTable.GenerateHandle(port.ClientPort, out clientPortHandle);
+
+            if (result != Result.Success)
+            {
+                return result;
+            }
+
+            result = currentProcess.HandleTable.GenerateHandle(port.ServerPort, out serverPortHandle);
+
+            if (result != Result.Success)
+            {
+                currentProcess.HandleTable.CloseHandle(clientPortHandle);
+            }
+
+            return result;
+        }
+
+        [Svc(0x71)]
+        public Result ManageNamedPort(out int handle, [PointerSized] ulong namePtr, int maxSessions)
+        {
+            handle = 0;
+
+            if (!KernelTransfer.UserToKernelString(out string name, namePtr, 12))
+            {
+                return KernelResult.UserCopyFailed;
+            }
+
+            if (name.Length > 11)
+            {
+                return KernelResult.MaximumExceeded;
+            }
+
+            return ManageNamedPort(out handle, name, maxSessions);
+        }
+
+        public Result ManageNamedPort(out int handle, string name, int maxSessions)
+        {
+            handle = 0;
+
+            if (maxSessions < 0)
+            {
+                return KernelResult.MaximumExceeded;
+            }
+
+            if (maxSessions == 0)
+            {
+                return KAutoObject.RemoveName(_context, name);
+            }
+
+            KPort port = new KPort(_context, maxSessions, false, null);
+
+            KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+            Result result = currentProcess.HandleTable.GenerateHandle(port.ServerPort, out handle);
+
+            if (result != Result.Success)
+            {
+                return result;
+            }
+
+            result = port.ClientPort.SetName(name);
+
+            if (result != Result.Success)
+            {
+                currentProcess.HandleTable.CloseHandle(handle);
+            }
+
+            return result;
+        }
+
+        [Svc(0x72)]
+        public Result ConnectToPort(out int clientSessionHandle, int clientPortHandle)
+        {
+            clientSessionHandle = 0;
+
+            KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+            KClientPort clientPort = currentProcess.HandleTable.GetObject<KClientPort>(clientPortHandle);
+
+            if (clientPort == null)
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            Result result = currentProcess.HandleTable.ReserveHandle(out int handle);
+
+            if (result != Result.Success)
+            {
+                return result;
+            }
+
+            KAutoObject session;
+
+            if (clientPort.IsLight)
+            {
+                result = clientPort.ConnectLight(out KLightClientSession clientSession);
+
+                session = clientSession;
+            }
+            else
+            {
+                result = clientPort.Connect(out KClientSession clientSession);
+
+                session = clientSession;
+            }
+
+            if (result != Result.Success)
+            {
+                currentProcess.HandleTable.CancelHandleReservation(handle);
+
+                return result;
+            }
+
+            currentProcess.HandleTable.SetReservedHandleObj(handle, session);
+
+            session.DecrementReferenceCount();
+
+            clientSessionHandle = handle;
+
+            return result;
+        }
+
+        // Memory
+
+        [Svc(1)]
+        public Result SetHeapSize([PointerSized] out ulong address, [PointerSized] ulong size)
+        {
+            if ((size & 0xfffffffe001fffff) != 0)
+            {
+                address = 0;
+
+                return KernelResult.InvalidSize;
+            }
+
+            KProcess process = KernelStatic.GetCurrentProcess();
+
+            return process.MemoryManager.SetHeapSize(size, out address);
+        }
+
+        [Svc(2)]
+        public Result SetMemoryPermission([PointerSized] ulong address, [PointerSized] ulong size, KMemoryPermission permission)
+        {
+            if (!PageAligned(address))
+            {
+                return KernelResult.InvalidAddress;
+            }
+
+            if (!PageAligned(size) || size == 0)
+            {
+                return KernelResult.InvalidSize;
+            }
+
+            if (address + size <= address)
+            {
+                return KernelResult.InvalidMemState;
+            }
+
+            if (permission != KMemoryPermission.None && (permission | KMemoryPermission.Write) != KMemoryPermission.ReadAndWrite)
+            {
+                return KernelResult.InvalidPermission;
+            }
+
+            KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+            if (!currentProcess.MemoryManager.InsideAddrSpace(address, size))
+            {
+                return KernelResult.InvalidMemState;
+            }
+
+            return currentProcess.MemoryManager.SetMemoryPermission(address, size, permission);
+        }
+
+        [Svc(3)]
+        public Result SetMemoryAttribute(
+            [PointerSized] ulong address,
+            [PointerSized] ulong size,
+            MemoryAttribute attributeMask,
+            MemoryAttribute attributeValue)
+        {
+            if (!PageAligned(address))
+            {
+                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;
+            }
+
+            KProcess process = KernelStatic.GetCurrentProcess();
+
+            if (!process.MemoryManager.InsideAddrSpace(address, size))
+            {
+                return KernelResult.InvalidMemState;
+            }
+
+            Result result = process.MemoryManager.SetMemoryAttribute(
+                address,
+                size,
+                attributeMask,
+                attributeValue);
+
+            return result;
+        }
+
+        [Svc(4)]
+        public Result MapMemory([PointerSized] ulong dst, [PointerSized] ulong src, [PointerSized] 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 = KernelStatic.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;
+            }
+
+            KProcess process = KernelStatic.GetCurrentProcess();
+
+            return process.MemoryManager.Map(dst, src, size);
+        }
+
+        [Svc(5)]
+        public Result UnmapMemory([PointerSized] ulong dst, [PointerSized] ulong src, [PointerSized] 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 = KernelStatic.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;
+            }
+
+            KProcess process = KernelStatic.GetCurrentProcess();
+
+            return process.MemoryManager.Unmap(dst, src, size);
+        }
+
+        [Svc(6)]
+        public Result QueryMemory([PointerSized] ulong infoPtr, [PointerSized] out ulong pageInfo, [PointerSized] ulong address)
+        {
+            Result result = QueryMemory(out MemoryInfo info, out pageInfo, address);
+
+            if (result == Result.Success)
+            {
+                return KernelTransfer.KernelToUser(infoPtr, info)
+                    ? Result.Success
+                    : KernelResult.InvalidMemState;
+            }
+
+            return result;
+        }
+
+        public Result QueryMemory(out MemoryInfo info, out ulong pageInfo, ulong address)
+        {
+            KProcess process = KernelStatic.GetCurrentProcess();
+
+            KMemoryInfo blockInfo = process.MemoryManager.QueryMemory(address);
+
+            info = new MemoryInfo(
+                blockInfo.Address,
+                blockInfo.Size,
+                blockInfo.State & MemoryState.UserMask,
+                blockInfo.Attribute,
+                blockInfo.Permission & KMemoryPermission.UserMask,
+                blockInfo.IpcRefCount,
+                blockInfo.DeviceRefCount);
+
+            pageInfo = 0;
+
+            return Result.Success;
+        }
+
+        [Svc(0x13)]
+        public Result MapSharedMemory(int handle, [PointerSized] ulong address, [PointerSized] ulong size, KMemoryPermission permission)
+        {
+            if (!PageAligned(address))
+            {
+                return KernelResult.InvalidAddress;
+            }
+
+            if (!PageAligned(size) || size == 0)
+            {
+                return KernelResult.InvalidSize;
+            }
+
+            if (address + size <= address)
+            {
+                return KernelResult.InvalidMemState;
+            }
+
+            if ((permission | KMemoryPermission.Write) != KMemoryPermission.ReadAndWrite)
+            {
+                return KernelResult.InvalidPermission;
+            }
+
+            KProcess currentProcess = KernelStatic.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);
+        }
+
+        [Svc(0x14)]
+        public Result UnmapSharedMemory(int handle, [PointerSized] ulong address, [PointerSized] 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 = KernelStatic.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);
+        }
+
+        [Svc(0x15)]
+        public Result CreateTransferMemory(out int handle, [PointerSized] ulong address, [PointerSized] ulong size, KMemoryPermission permission)
+        {
+            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 > KMemoryPermission.ReadAndWrite || permission == KMemoryPermission.Write)
+            {
+                return KernelResult.InvalidPermission;
+            }
+
+            KProcess process = KernelStatic.GetCurrentProcess();
+
+            KResourceLimit resourceLimit = process.ResourceLimit;
+
+            if (resourceLimit != null && !resourceLimit.Reserve(LimitableResource.TransferMemory, 1))
+            {
+                return KernelResult.ResLimitExceeded;
+            }
+
+            void CleanUpForError()
+            {
+                resourceLimit?.Release(LimitableResource.TransferMemory, 1);
+            }
+
+            if (!process.MemoryManager.InsideAddrSpace(address, size))
+            {
+                CleanUpForError();
+
+                return KernelResult.InvalidMemState;
+            }
+
+            KTransferMemory transferMemory = new KTransferMemory(_context);
+
+            Result result = transferMemory.Initialize(address, size, permission);
+
+            if (result != Result.Success)
+            {
+                CleanUpForError();
+
+                return result;
+            }
+
+            result = process.HandleTable.GenerateHandle(transferMemory, out handle);
+
+            transferMemory.DecrementReferenceCount();
+
+            return result;
+        }
+
+        [Svc(0x51)]
+        public Result MapTransferMemory(int handle, [PointerSized] ulong address, [PointerSized] ulong size, KMemoryPermission permission)
+        {
+            if (!PageAligned(address))
+            {
+                return KernelResult.InvalidAddress;
+            }
+
+            if (!PageAligned(size) || size == 0)
+            {
+                return KernelResult.InvalidSize;
+            }
+
+            if (address + size <= address)
+            {
+                return KernelResult.InvalidMemState;
+            }
+
+            if (permission > KMemoryPermission.ReadAndWrite || permission == KMemoryPermission.Write)
+            {
+                return KernelResult.InvalidPermission;
+            }
+
+            KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+            KTransferMemory transferMemory = currentProcess.HandleTable.GetObject<KTransferMemory>(handle);
+
+            if (transferMemory == null)
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            if (currentProcess.MemoryManager.IsInvalidRegion(address, size) ||
+                currentProcess.MemoryManager.InsideHeapRegion(address, size) ||
+                currentProcess.MemoryManager.InsideAliasRegion(address, size))
+            {
+                return KernelResult.InvalidMemRange;
+            }
+
+            return transferMemory.MapIntoProcess(
+                currentProcess.MemoryManager,
+                address,
+                size,
+                currentProcess,
+                permission);
+        }
+
+        [Svc(0x52)]
+        public Result UnmapTransferMemory(int handle, [PointerSized] ulong address, [PointerSized] 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 = KernelStatic.GetCurrentProcess();
+
+            KTransferMemory transferMemory = currentProcess.HandleTable.GetObject<KTransferMemory>(handle);
+
+            if (transferMemory == null)
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            if (currentProcess.MemoryManager.IsInvalidRegion(address, size) ||
+                currentProcess.MemoryManager.InsideHeapRegion(address, size) ||
+                currentProcess.MemoryManager.InsideAliasRegion(address, size))
+            {
+                return KernelResult.InvalidMemRange;
+            }
+
+            return transferMemory.UnmapFromProcess(
+                currentProcess.MemoryManager,
+                address,
+                size,
+                currentProcess);
+        }
+
+        [Svc(0x2c)]
+        public Result MapPhysicalMemory([PointerSized] ulong address, [PointerSized] 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 = KernelStatic.GetCurrentProcess();
+
+            if ((currentProcess.PersonalMmHeapPagesCount & 0xfffffffffffff) == 0)
+            {
+                return KernelResult.InvalidState;
+            }
+
+            if (!currentProcess.MemoryManager.InsideAddrSpace(address, size) ||
+                 currentProcess.MemoryManager.OutsideAliasRegion(address, size))
+            {
+                return KernelResult.InvalidMemRange;
+            }
+
+            KProcess process = KernelStatic.GetCurrentProcess();
+
+            return process.MemoryManager.MapPhysicalMemory(address, size);
+        }
+
+        [Svc(0x2d)]
+        public Result UnmapPhysicalMemory([PointerSized] ulong address, [PointerSized] 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 = KernelStatic.GetCurrentProcess();
+
+            if ((currentProcess.PersonalMmHeapPagesCount & 0xfffffffffffff) == 0)
+            {
+                return KernelResult.InvalidState;
+            }
+
+            if (!currentProcess.MemoryManager.InsideAddrSpace(address, size) ||
+                 currentProcess.MemoryManager.OutsideAliasRegion(address, size))
+            {
+                return KernelResult.InvalidMemRange;
+            }
+
+            KProcess process = KernelStatic.GetCurrentProcess();
+
+            return process.MemoryManager.UnmapPhysicalMemory(address, size);
+        }
+
+        [Svc(0x4b)]
+        public Result CreateCodeMemory(out int handle, [PointerSized] ulong address, [PointerSized] ulong size)
+        {
+            handle = 0;
+
+            if (!PageAligned(address))
+            {
+                return KernelResult.InvalidAddress;
+            }
+
+            if (!PageAligned(size) || size == 0)
+            {
+                return KernelResult.InvalidSize;
+            }
+
+            if (size + address <= address)
+            {
+                return KernelResult.InvalidMemState;
+            }
+
+            KCodeMemory codeMemory = new KCodeMemory(_context);
+
+            using var _ = new OnScopeExit(codeMemory.DecrementReferenceCount);
+
+            KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+            if (!currentProcess.MemoryManager.InsideAddrSpace(address, size))
+            {
+                return KernelResult.InvalidMemState;
+            }
+
+            Result result = codeMemory.Initialize(address, size);
+
+            if (result != Result.Success)
+            {
+                return result;
+            }
+
+            return currentProcess.HandleTable.GenerateHandle(codeMemory, out handle);
+        }
+
+        [Svc(0x4c)]
+        public Result ControlCodeMemory(
+            int handle,
+            CodeMemoryOperation op,
+            ulong address,
+            ulong size,
+            KMemoryPermission permission)
+        {
+            KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+            KCodeMemory codeMemory = currentProcess.HandleTable.GetObject<KCodeMemory>(handle);
+
+            // Newer versions of the kernel also returns an error here if the owner and process
+            // where the operation will happen are the same. We do not return an error here
+            // for homebrew because some of them requires this to be patched out to work (for JIT).
+            if (codeMemory == null || (!currentProcess.AllowCodeMemoryForJit && codeMemory.Owner == currentProcess))
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            switch (op)
+            {
+                case CodeMemoryOperation.Map:
+                    if (!currentProcess.MemoryManager.CanContain(address, size, MemoryState.CodeWritable))
+                    {
+                        return KernelResult.InvalidMemRange;
+                    }
+
+                    if (permission != KMemoryPermission.ReadAndWrite)
+                    {
+                        return KernelResult.InvalidPermission;
+                    }
+
+                    return codeMemory.Map(address, size, permission);
+
+                case CodeMemoryOperation.MapToOwner:
+                    if (!currentProcess.MemoryManager.CanContain(address, size, MemoryState.CodeReadOnly))
+                    {
+                        return KernelResult.InvalidMemRange;
+                    }
+
+                    if (permission != KMemoryPermission.Read && permission != KMemoryPermission.ReadAndExecute)
+                    {
+                        return KernelResult.InvalidPermission;
+                    }
+
+                    return codeMemory.MapToOwner(address, size, permission);
+
+                case CodeMemoryOperation.Unmap:
+                    if (!currentProcess.MemoryManager.CanContain(address, size, MemoryState.CodeWritable))
+                    {
+                        return KernelResult.InvalidMemRange;
+                    }
+
+                    if (permission != KMemoryPermission.None)
+                    {
+                        return KernelResult.InvalidPermission;
+                    }
+
+                    return codeMemory.Unmap(address, size);
+
+                case CodeMemoryOperation.UnmapFromOwner:
+                    if (!currentProcess.MemoryManager.CanContain(address, size, MemoryState.CodeReadOnly))
+                    {
+                        return KernelResult.InvalidMemRange;
+                    }
+
+                    if (permission != KMemoryPermission.None)
+                    {
+                        return KernelResult.InvalidPermission;
+                    }
+
+                    return codeMemory.UnmapFromOwner(address, size);
+
+                default: return KernelResult.InvalidEnumValue;
+            }
+        }
+
+        [Svc(0x73)]
+        public Result SetProcessMemoryPermission(
+            int handle,
+            [PointerSized] ulong src,
+            [PointerSized] ulong size,
+            KMemoryPermission permission)
+        {
+            if (!PageAligned(src))
+            {
+                return KernelResult.InvalidAddress;
+            }
+
+            if (!PageAligned(size) || size == 0)
+            {
+                return KernelResult.InvalidSize;
+            }
+
+            if (permission != KMemoryPermission.None &&
+                permission != KMemoryPermission.Read &&
+                permission != KMemoryPermission.ReadAndWrite &&
+                permission != KMemoryPermission.ReadAndExecute)
+            {
+                return KernelResult.InvalidPermission;
+            }
+
+            KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+            KProcess targetProcess = currentProcess.HandleTable.GetObject<KProcess>(handle);
+
+            if (targetProcess == null)
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            if (targetProcess.MemoryManager.OutsideAddrSpace(src, size))
+            {
+                return KernelResult.InvalidMemState;
+            }
+
+            return targetProcess.MemoryManager.SetProcessMemoryPermission(src, size, permission);
+        }
+
+        [Svc(0x74)]
+        public Result MapProcessMemory(
+            [PointerSized] ulong dst,
+            int handle,
+            ulong src,
+            [PointerSized] ulong size)
+        {
+            if (!PageAligned(src) || !PageAligned(dst))
+            {
+                return KernelResult.InvalidAddress;
+            }
+
+            if (!PageAligned(size) || size == 0)
+            {
+                return KernelResult.InvalidSize;
+            }
+
+            if (dst + size <= dst || src + size <= src)
+            {
+                return KernelResult.InvalidMemRange;
+            }
+
+            KProcess dstProcess = KernelStatic.GetCurrentProcess();
+            KProcess srcProcess = dstProcess.HandleTable.GetObject<KProcess>(handle);
+
+            if (srcProcess == null)
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            if (!srcProcess.MemoryManager.InsideAddrSpace(src, size) ||
+                !dstProcess.MemoryManager.CanContain(dst, size, MemoryState.ProcessMemory))
+            {
+                return KernelResult.InvalidMemRange;
+            }
+
+            KPageList pageList = new KPageList();
+
+            Result result = srcProcess.MemoryManager.GetPagesIfStateEquals(
+                src,
+                size,
+                MemoryState.MapProcessAllowed,
+                MemoryState.MapProcessAllowed,
+                KMemoryPermission.None,
+                KMemoryPermission.None,
+                MemoryAttribute.Mask,
+                MemoryAttribute.None,
+                pageList);
+
+            if (result != Result.Success)
+            {
+                return result;
+            }
+
+            return dstProcess.MemoryManager.MapPages(dst, pageList, MemoryState.ProcessMemory, KMemoryPermission.ReadAndWrite);
+        }
+
+        [Svc(0x75)]
+        public Result UnmapProcessMemory(
+            [PointerSized] ulong dst,
+            int handle,
+            ulong src,
+            [PointerSized] ulong size)
+        {
+            if (!PageAligned(src) || !PageAligned(dst))
+            {
+                return KernelResult.InvalidAddress;
+            }
+
+            if (!PageAligned(size) || size == 0)
+            {
+                return KernelResult.InvalidSize;
+            }
+
+            if (dst + size <= dst || src + size <= src)
+            {
+                return KernelResult.InvalidMemRange;
+            }
+
+            KProcess dstProcess = KernelStatic.GetCurrentProcess();
+            KProcess srcProcess = dstProcess.HandleTable.GetObject<KProcess>(handle);
+
+            if (srcProcess == null)
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            if (!srcProcess.MemoryManager.InsideAddrSpace(src, size) ||
+                !dstProcess.MemoryManager.CanContain(dst, size, MemoryState.ProcessMemory))
+            {
+                return KernelResult.InvalidMemRange;
+            }
+
+            Result result = dstProcess.MemoryManager.UnmapProcessMemory(dst, size, srcProcess.MemoryManager, src);
+
+            if (result != Result.Success)
+            {
+                return result;
+            }
+
+            return Result.Success;
+        }
+
+        [Svc(0x77)]
+        public Result MapProcessCodeMemory(int handle, ulong dst, ulong src, ulong size)
+        {
+            if (!PageAligned(dst) || !PageAligned(src))
+            {
+                return KernelResult.InvalidAddress;
+            }
+
+            if (!PageAligned(size) || size == 0)
+            {
+                return KernelResult.InvalidSize;
+            }
+
+            KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+            KProcess targetProcess = currentProcess.HandleTable.GetObject<KProcess>(handle);
+
+            if (targetProcess == null)
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            if (targetProcess.MemoryManager.OutsideAddrSpace(dst, size) ||
+                targetProcess.MemoryManager.OutsideAddrSpace(src, size) ||
+                targetProcess.MemoryManager.InsideAliasRegion(dst, size) ||
+                targetProcess.MemoryManager.InsideHeapRegion(dst, size))
+            {
+                return KernelResult.InvalidMemRange;
+            }
+
+            if (size + dst <= dst || size + src <= src)
+            {
+                return KernelResult.InvalidMemState;
+            }
+
+            return targetProcess.MemoryManager.MapProcessCodeMemory(dst, src, size);
+        }
+
+        [Svc(0x78)]
+        public Result UnmapProcessCodeMemory(int handle, ulong dst, ulong src, ulong size)
+        {
+            if (!PageAligned(dst) || !PageAligned(src))
+            {
+                return KernelResult.InvalidAddress;
+            }
+
+            if (!PageAligned(size) || size == 0)
+            {
+                return KernelResult.InvalidSize;
+            }
+
+            KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+            KProcess targetProcess = currentProcess.HandleTable.GetObject<KProcess>(handle);
+
+            if (targetProcess == null)
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            if (targetProcess.MemoryManager.OutsideAddrSpace(dst, size) ||
+                targetProcess.MemoryManager.OutsideAddrSpace(src, size) ||
+                targetProcess.MemoryManager.InsideAliasRegion(dst, size) ||
+                targetProcess.MemoryManager.InsideHeapRegion(dst, size))
+            {
+                return KernelResult.InvalidMemRange;
+            }
+
+            if (size + dst <= dst || size + src <= src)
+            {
+                return KernelResult.InvalidMemState;
+            }
+
+            return targetProcess.MemoryManager.UnmapProcessCodeMemory(dst, src, size);
+        }
+
+        private static bool PageAligned(ulong address)
+        {
+            return (address & (KPageTableBase.PageSize - 1)) == 0;
+        }
+
+        // System
+
+        [Svc(0x7b)]
+        public Result TerminateProcess(int handle)
+        {
+            KProcess process = KernelStatic.GetCurrentProcess();
+
+            process = process.HandleTable.GetObject<KProcess>(handle);
+
+            Result result;
+
+            if (process != null)
+            {
+                if (process == KernelStatic.GetCurrentProcess())
+                {
+                    result = Result.Success;
+                    process.DecrementToZeroWhileTerminatingCurrent();
+                }
+                else
+                {
+                    result = process.Terminate();
+                    process.DecrementReferenceCount();
+                }
+            }
+            else
+            {
+                result = KernelResult.InvalidHandle;
+            }
+
+            return result;
+        }
+
+        [Svc(7)]
+        public void ExitProcess()
+        {
+            KernelStatic.GetCurrentProcess().TerminateCurrentProcess();
+        }
+
+        [Svc(0x11)]
+        public Result SignalEvent(int handle)
+        {
+            KProcess process = KernelStatic.GetCurrentProcess();
+
+            KWritableEvent writableEvent = process.HandleTable.GetObject<KWritableEvent>(handle);
+
+            Result result;
+
+            if (writableEvent != null)
+            {
+                writableEvent.Signal();
+
+                result = Result.Success;
+            }
+            else
+            {
+                result = KernelResult.InvalidHandle;
+            }
+
+            return result;
+        }
+
+        [Svc(0x12)]
+        public Result ClearEvent(int handle)
+        {
+            Result result;
+
+            KProcess process = KernelStatic.GetCurrentProcess();
+
+            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;
+        }
+
+        [Svc(0x16)]
+        public Result CloseHandle(int handle)
+        {
+            KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+            return currentProcess.HandleTable.CloseHandle(handle) ? Result.Success : KernelResult.InvalidHandle;
+        }
+
+        [Svc(0x17)]
+        public Result ResetSignal(int handle)
+        {
+            KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+            KReadableEvent readableEvent = currentProcess.HandleTable.GetObject<KReadableEvent>(handle);
+
+            Result 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;
+        }
+
+        [Svc(0x1e)]
+        public ulong GetSystemTick()
+        {
+            return _context.TickSource.Counter;
+        }
+
+        [Svc(0x26)]
+        public void Break(ulong reason)
+        {
+            KThread currentThread = KernelStatic.GetCurrentThread();
+
+            if ((reason & (1UL << 31)) == 0)
+            {
+                currentThread.PrintGuestStackTrace();
+                currentThread.PrintGuestRegisterPrintout();
+
+                // As the process is exiting, this is probably caused by emulation termination.
+                if (currentThread.Owner.State == ProcessState.Exiting)
+                {
+                    return;
+                }
+
+                // TODO: Debug events.
+                currentThread.Owner.TerminateCurrentProcess();
+
+                throw new GuestBrokeExecutionException();
+            }
+            else
+            {
+                Logger.Debug?.Print(LogClass.KernelSvc, "Debugger triggered.");
+            }
+        }
+
+        [Svc(0x27)]
+        public void OutputDebugString([PointerSized] ulong strPtr, [PointerSized] ulong size)
+        {
+            KProcess process = KernelStatic.GetCurrentProcess();
+
+            string str = MemoryHelper.ReadAsciiString(process.CpuMemory, strPtr, (long)size);
+
+            Logger.Warning?.Print(LogClass.KernelSvc, str);
+        }
+
+        [Svc(0x29)]
+        public Result GetInfo(out ulong value, InfoType id, int handle, long subId)
+        {
+            value = 0;
+
+            switch (id)
+            {
+                case InfoType.CoreMask:
+                case InfoType.PriorityMask:
+                case InfoType.AliasRegionAddress:
+                case InfoType.AliasRegionSize:
+                case InfoType.HeapRegionAddress:
+                case InfoType.HeapRegionSize:
+                case InfoType.TotalMemorySize:
+                case InfoType.UsedMemorySize:
+                case InfoType.AslrRegionAddress:
+                case InfoType.AslrRegionSize:
+                case InfoType.StackRegionAddress:
+                case InfoType.StackRegionSize:
+                case InfoType.SystemResourceSizeTotal:
+                case InfoType.SystemResourceSizeUsed:
+                case InfoType.ProgramId:
+                case InfoType.UserExceptionContextAddress:
+                case InfoType.TotalNonSystemMemorySize:
+                case InfoType.UsedNonSystemMemorySize:
+                case InfoType.IsApplication:
+                case InfoType.FreeThreadCount:
+                    {
+                        if (subId != 0)
+                        {
+                            return KernelResult.InvalidCombination;
+                        }
+
+                        KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+                        KProcess process = currentProcess.HandleTable.GetKProcess(handle);
+
+                        if (process == null)
+                        {
+                            return KernelResult.InvalidHandle;
+                        }
+
+                        switch (id)
+                        {
+                            case InfoType.CoreMask: value = process.Capabilities.AllowedCpuCoresMask; break;
+                            case InfoType.PriorityMask: value = process.Capabilities.AllowedThreadPriosMask; break;
+
+                            case InfoType.AliasRegionAddress: value = process.MemoryManager.AliasRegionStart; break;
+                            case InfoType.AliasRegionSize:
+                                value = (process.MemoryManager.AliasRegionEnd -
+                                         process.MemoryManager.AliasRegionStart); break;
+
+                            case InfoType.HeapRegionAddress: value = process.MemoryManager.HeapRegionStart; break;
+                            case InfoType.HeapRegionSize:
+                                value = (process.MemoryManager.HeapRegionEnd -
+                                         process.MemoryManager.HeapRegionStart); break;
+
+                            case InfoType.TotalMemorySize: value = process.GetMemoryCapacity(); break;
+
+                            case InfoType.UsedMemorySize: value = process.GetMemoryUsage(); break;
+
+                            case InfoType.AslrRegionAddress: value = process.MemoryManager.GetAddrSpaceBaseAddr(); break;
+
+                            case InfoType.AslrRegionSize: value = process.MemoryManager.GetAddrSpaceSize(); break;
+
+                            case InfoType.StackRegionAddress: value = process.MemoryManager.StackRegionStart; break;
+                            case InfoType.StackRegionSize:
+                                value = (process.MemoryManager.StackRegionEnd -
+                                         process.MemoryManager.StackRegionStart); break;
+
+                            case InfoType.SystemResourceSizeTotal: value = process.PersonalMmHeapPagesCount * KPageTableBase.PageSize; break;
+
+                            case InfoType.SystemResourceSizeUsed:
+                                if (process.PersonalMmHeapPagesCount != 0)
+                                {
+                                    value = process.MemoryManager.GetMmUsedPages() * KPageTableBase.PageSize;
+                                }
+
+                                break;
+
+                            case InfoType.ProgramId: value = process.TitleId; break;
+
+                            case InfoType.UserExceptionContextAddress: value = process.UserExceptionContextAddress; break;
+
+                            case InfoType.TotalNonSystemMemorySize: value = process.GetMemoryCapacityWithoutPersonalMmHeap(); break;
+
+                            case InfoType.UsedNonSystemMemorySize: value = process.GetMemoryUsageWithoutPersonalMmHeap(); break;
+
+                            case InfoType.IsApplication: value = process.IsApplication ? 1UL : 0UL; break;
+
+                            case InfoType.FreeThreadCount:
+                                if (process.ResourceLimit != null)
+                                {
+                                    value = (ulong)(process.ResourceLimit.GetLimitValue(LimitableResource.Thread) -
+                                                    process.ResourceLimit.GetCurrentValue(LimitableResource.Thread));
+                                }
+                                else
+                                {
+                                    value = 0;
+                                }
+
+                                break;
+                        }
+
+                        break;
+                    }
+
+                case InfoType.DebuggerAttached:
+                    {
+                        if (handle != 0)
+                        {
+                            return KernelResult.InvalidHandle;
+                        }
+
+                        if (subId != 0)
+                        {
+                            return KernelResult.InvalidCombination;
+                        }
+
+                        value = KernelStatic.GetCurrentProcess().Debug ? 1UL : 0UL;
+
+                        break;
+                    }
+
+                case InfoType.ResourceLimit:
+                    {
+                        if (handle != 0)
+                        {
+                            return KernelResult.InvalidHandle;
+                        }
+
+                        if (subId != 0)
+                        {
+                            return KernelResult.InvalidCombination;
+                        }
+
+                        KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+                        if (currentProcess.ResourceLimit != null)
+                        {
+                            KHandleTable handleTable = currentProcess.HandleTable;
+                            KResourceLimit resourceLimit = currentProcess.ResourceLimit;
+
+                            Result result = handleTable.GenerateHandle(resourceLimit, out int resLimHandle);
+
+                            if (result != Result.Success)
+                            {
+                                return result;
+                            }
+
+                            value = (uint)resLimHandle;
+                        }
+
+                        break;
+                    }
+
+                case InfoType.IdleTickCount:
+                    {
+                        if (handle != 0)
+                        {
+                            return KernelResult.InvalidHandle;
+                        }
+
+                        int currentCore = KernelStatic.GetCurrentThread().CurrentCore;
+
+                        if (subId != -1 && subId != currentCore)
+                        {
+                            return KernelResult.InvalidCombination;
+                        }
+
+                        value = (ulong)KTimeManager.ConvertHostTicksToTicks(_context.Schedulers[currentCore].TotalIdleTimeTicks);
+
+                        break;
+                    }
+
+                case InfoType.RandomEntropy:
+                    {
+                        if (handle != 0)
+                        {
+                            return KernelResult.InvalidHandle;
+                        }
+
+                        if ((ulong)subId > 3)
+                        {
+                            return KernelResult.InvalidCombination;
+                        }
+
+                        KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+                        value = currentProcess.RandomEntropy[subId];
+
+                        break;
+                    }
+
+                case InfoType.ThreadTickCount:
+                    {
+                        if (subId < -1 || subId > 3)
+                        {
+                            return KernelResult.InvalidCombination;
+                        }
+
+                        KThread thread = KernelStatic.GetCurrentProcess().HandleTable.GetKThread(handle);
+
+                        if (thread == null)
+                        {
+                            return KernelResult.InvalidHandle;
+                        }
+
+                        KThread currentThread = KernelStatic.GetCurrentThread();
+
+                        int currentCore = currentThread.CurrentCore;
+
+                        if (subId != -1 && subId != currentCore)
+                        {
+                            return Result.Success;
+                        }
+
+                        KScheduler scheduler = _context.Schedulers[currentCore];
+
+                        long timeDelta = PerformanceCounter.ElapsedTicks - scheduler.LastContextSwitchTime;
+
+                        if (subId != -1)
+                        {
+                            value = (ulong)KTimeManager.ConvertHostTicksToTicks(timeDelta);
+                        }
+                        else
+                        {
+                            long totalTimeRunning = thread.TotalTimeRunning;
+
+                            if (thread == currentThread)
+                            {
+                                totalTimeRunning += timeDelta;
+                            }
+
+                            value = (ulong)KTimeManager.ConvertHostTicksToTicks(totalTimeRunning);
+                        }
+
+                        break;
+                    }
+
+                case InfoType.MesosphereCurrentProcess:
+                    {
+                        if (handle != 0)
+                        {
+                            return KernelResult.InvalidHandle;
+                        }
+
+                        if ((ulong)subId != 0)
+                        {
+                            return KernelResult.InvalidCombination;
+                        }
+
+                        KProcess currentProcess = KernelStatic.GetCurrentProcess();
+                        KHandleTable handleTable = currentProcess.HandleTable;
+
+                        Result result = handleTable.GenerateHandle(currentProcess, out int outHandle);
+
+                        if (result != Result.Success)
+                        {
+                            return result;
+                        }
+
+                        value = (ulong)outHandle;
+
+                        break;
+                    }
+
+                default: return KernelResult.InvalidEnumValue;
+            }
+
+            return Result.Success;
+        }
+
+        [Svc(0x45)]
+        public Result CreateEvent(out int wEventHandle, out int rEventHandle)
+        {
+            KEvent Event = new KEvent(_context);
+
+            KProcess process = KernelStatic.GetCurrentProcess();
+
+            Result result = process.HandleTable.GenerateHandle(Event.WritableEvent, out wEventHandle);
+
+            if (result == Result.Success)
+            {
+                result = process.HandleTable.GenerateHandle(Event.ReadableEvent, out rEventHandle);
+
+                if (result != Result.Success)
+                {
+                    process.HandleTable.CloseHandle(wEventHandle);
+                }
+            }
+            else
+            {
+                rEventHandle = 0;
+            }
+
+            return result;
+        }
+
+        [Svc(0x65)]
+        public Result GetProcessList(out int count, [PointerSized] ulong address, int maxCount)
+        {
+            count = 0;
+
+            if ((maxCount >> 28) != 0)
+            {
+                return KernelResult.MaximumExceeded;
+            }
+
+            if (maxCount != 0)
+            {
+                KProcess currentProcess = KernelStatic.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 (_context.Processes)
+            {
+                foreach (KProcess process in _context.Processes.Values)
+                {
+                    if (copyCount < maxCount)
+                    {
+                        if (!KernelTransfer.KernelToUser(address + (ulong)copyCount * 8, process.Pid))
+                        {
+                            return KernelResult.UserCopyFailed;
+                        }
+                    }
+
+                    copyCount++;
+                }
+            }
+
+            count = copyCount;
+
+            return Result.Success;
+        }
+
+        [Svc(0x6f)]
+        public Result GetSystemInfo(out long value, uint id, int handle, long subId)
+        {
+            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 = _context.MemoryManager.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 * KPageTableBase.PageSize);
+
+                            break;
+                        }
+                }
+            }
+            else /* if (Id == 2) */
+            {
+                if ((ulong)subId > 1)
+                {
+                    return KernelResult.InvalidCombination;
+                }
+
+                switch (subId)
+                {
+                    case 0: value = _context.PrivilegedProcessLowestId; break;
+                    case 1: value = _context.PrivilegedProcessHighestId; break;
+                }
+            }
+
+            return Result.Success;
+        }
+
+        [Svc(0x30)]
+        public Result GetResourceLimitLimitValue(out long limitValue, int handle, LimitableResource resource)
+        {
+            limitValue = 0;
+
+            if (resource >= LimitableResource.Count)
+            {
+                return KernelResult.InvalidEnumValue;
+            }
+
+            KResourceLimit resourceLimit = KernelStatic.GetCurrentProcess().HandleTable.GetObject<KResourceLimit>(handle);
+
+            if (resourceLimit == null)
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            limitValue = resourceLimit.GetLimitValue(resource);
+
+            return Result.Success;
+        }
+
+        [Svc(0x31)]
+        public Result GetResourceLimitCurrentValue(out long limitValue, int handle, LimitableResource resource)
+        {
+            limitValue = 0;
+
+            if (resource >= LimitableResource.Count)
+            {
+                return KernelResult.InvalidEnumValue;
+            }
+
+            KResourceLimit resourceLimit = KernelStatic.GetCurrentProcess().HandleTable.GetObject<KResourceLimit>(handle);
+
+            if (resourceLimit == null)
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            limitValue = resourceLimit.GetCurrentValue(resource);
+
+            return Result.Success;
+        }
+
+        [Svc(0x37)]
+        public Result GetResourceLimitPeakValue(out long peak, int handle, LimitableResource resource)
+        {
+            peak = 0;
+
+            if (resource >= LimitableResource.Count)
+            {
+                return KernelResult.InvalidEnumValue;
+            }
+
+            KResourceLimit resourceLimit = KernelStatic.GetCurrentProcess().HandleTable.GetObject<KResourceLimit>(handle);
+
+            if (resourceLimit == null)
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            peak = resourceLimit.GetPeakValue(resource);
+
+            return Result.Success;
+        }
+
+        [Svc(0x7d)]
+        public Result CreateResourceLimit(out int handle)
+        {
+            KResourceLimit limit = new KResourceLimit(_context);
+
+            KProcess process = KernelStatic.GetCurrentProcess();
+
+            return process.HandleTable.GenerateHandle(limit, out handle);
+        }
+
+        [Svc(0x7e)]
+        public Result SetResourceLimitLimitValue(int handle, LimitableResource resource, long limitValue)
+        {
+            if (resource >= LimitableResource.Count)
+            {
+                return KernelResult.InvalidEnumValue;
+            }
+
+            KResourceLimit resourceLimit = KernelStatic.GetCurrentProcess().HandleTable.GetObject<KResourceLimit>(handle);
+
+            if (resourceLimit == null)
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            return resourceLimit.SetLimitValue(resource, limitValue);
+        }
+
+        // Thread
+
+        [Svc(8)]
+        public Result CreateThread(
+            out int handle,
+            [PointerSized] ulong entrypoint,
+            [PointerSized] ulong argsPtr,
+            [PointerSized] ulong stackTop,
+            int priority,
+            int cpuCore)
+        {
+            return CreateThread(out handle, entrypoint, argsPtr, stackTop, priority, cpuCore, null);
+        }
+
+        public Result CreateThread(
+            out int handle,
+            ulong entrypoint,
+            ulong argsPtr,
+            ulong stackTop,
+            int priority,
+            int cpuCore,
+            ThreadStart customThreadStart)
+        {
+            handle = 0;
+
+            KProcess currentProcess = KernelStatic.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(_context);
+
+            Result result = currentProcess.InitializeThread(
+                thread,
+                entrypoint,
+                argsPtr,
+                stackTop,
+                priority,
+                cpuCore,
+                customThreadStart);
+
+            if (result == Result.Success)
+            {
+                KProcess process = KernelStatic.GetCurrentProcess();
+
+                result = process.HandleTable.GenerateHandle(thread, out handle);
+            }
+            else
+            {
+                currentProcess.ResourceLimit?.Release(LimitableResource.Thread, 1);
+            }
+
+            thread.DecrementReferenceCount();
+
+            return result;
+        }
+
+        [Svc(9)]
+        public Result StartThread(int handle)
+        {
+            KProcess process = KernelStatic.GetCurrentProcess();
+
+            KThread thread = process.HandleTable.GetKThread(handle);
+
+            if (thread != null)
+            {
+                thread.IncrementReferenceCount();
+
+                Result result = thread.Start();
+
+                if (result == Result.Success)
+                {
+                    thread.IncrementReferenceCount();
+                }
+
+                thread.DecrementReferenceCount();
+
+                return result;
+            }
+            else
+            {
+                return KernelResult.InvalidHandle;
+            }
+        }
+
+        [Svc(0xa)]
+        public void ExitThread()
+        {
+            KThread currentThread = KernelStatic.GetCurrentThread();
+
+            currentThread.Exit();
+        }
+
+        [Svc(0xb)]
+        public void SleepThread(long timeout)
+        {
+            if (timeout < 1)
+            {
+                switch (timeout)
+                {
+                    case 0: KScheduler.Yield(_context); break;
+                    case -1: KScheduler.YieldWithLoadBalancing(_context); break;
+                    case -2: KScheduler.YieldToAnyThread(_context); break;
+                }
+            }
+            else
+            {
+                KernelStatic.GetCurrentThread().Sleep(timeout + KTimeManager.DefaultTimeIncrementNanoseconds);
+            }
+        }
+
+        [Svc(0xc)]
+        public Result GetThreadPriority(out int priority, int handle)
+        {
+            KProcess process = KernelStatic.GetCurrentProcess();
+
+            KThread thread = process.HandleTable.GetKThread(handle);
+
+            if (thread != null)
+            {
+                priority = thread.DynamicPriority;
+
+                return Result.Success;
+            }
+            else
+            {
+                priority = 0;
+
+                return KernelResult.InvalidHandle;
+            }
+        }
+
+        [Svc(0xd)]
+        public Result SetThreadPriority(int handle, int priority)
+        {
+            // TODO: NPDM check.
+
+            KProcess process = KernelStatic.GetCurrentProcess();
+
+            KThread thread = process.HandleTable.GetKThread(handle);
+
+            if (thread == null)
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            thread.SetPriority(priority);
+
+            return Result.Success;
+        }
+
+        [Svc(0xe)]
+        public Result GetThreadCoreMask(out int preferredCore, out ulong affinityMask, int handle)
+        {
+            KProcess process = KernelStatic.GetCurrentProcess();
+
+            KThread thread = process.HandleTable.GetKThread(handle);
+
+            if (thread != null)
+            {
+                preferredCore = thread.PreferredCore;
+                affinityMask = thread.AffinityMask;
+
+                return Result.Success;
+            }
+            else
+            {
+                preferredCore = 0;
+                affinityMask = 0;
+
+                return KernelResult.InvalidHandle;
+            }
+        }
+
+        [Svc(0xf)]
+        public Result SetThreadCoreMask(int handle, int preferredCore, ulong affinityMask)
+        {
+            KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+            if (preferredCore == -2)
+            {
+                preferredCore = currentProcess.DefaultCpuCore;
+
+                affinityMask = 1UL << 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 & (1UL << preferredCore)) == 0)
+                {
+                    return KernelResult.InvalidCombination;
+                }
+            }
+
+            KProcess process = KernelStatic.GetCurrentProcess();
+
+            KThread thread = process.HandleTable.GetKThread(handle);
+
+            if (thread == null)
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            return thread.SetCoreAndAffinityMask(preferredCore, affinityMask);
+        }
+
+        [Svc(0x10)]
+        public int GetCurrentProcessorNumber()
+        {
+            return KernelStatic.GetCurrentThread().CurrentCore;
+        }
+
+        [Svc(0x25)]
+        public Result GetThreadId(out ulong threadUid, int handle)
+        {
+            KProcess process = KernelStatic.GetCurrentProcess();
+
+            KThread thread = process.HandleTable.GetKThread(handle);
+
+            if (thread != null)
+            {
+                threadUid = thread.ThreadUid;
+
+                return Result.Success;
+            }
+            else
+            {
+                threadUid = 0;
+
+                return KernelResult.InvalidHandle;
+            }
+        }
+
+        [Svc(0x32)]
+        public Result SetThreadActivity(int handle, bool pause)
+        {
+            KProcess process = KernelStatic.GetCurrentProcess();
+
+            KThread thread = process.HandleTable.GetObject<KThread>(handle);
+
+            if (thread == null)
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            if (thread.Owner != process)
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            if (thread == KernelStatic.GetCurrentThread())
+            {
+                return KernelResult.InvalidThread;
+            }
+
+            return thread.SetActivity(pause);
+        }
+
+        [Svc(0x33)]
+        public Result GetThreadContext3([PointerSized] ulong address, int handle)
+        {
+            KProcess currentProcess = KernelStatic.GetCurrentProcess();
+            KThread currentThread = KernelStatic.GetCurrentThread();
+
+            KThread thread = currentProcess.HandleTable.GetObject<KThread>(handle);
+
+            if (thread == null)
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            if (thread.Owner != currentProcess)
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            if (currentThread == thread)
+            {
+                return KernelResult.InvalidThread;
+            }
+
+            Result result = thread.GetThreadContext3(out ThreadContext context);
+
+            if (result == Result.Success)
+            {
+                return KernelTransfer.KernelToUser(address, context)
+                    ? Result.Success
+                    : KernelResult.InvalidMemState;
+            }
+
+            return result;
+        }
+
+        // Thread synchronization
+
+        [Svc(0x18)]
+        public Result WaitSynchronization(out int handleIndex, [PointerSized] ulong handlesPtr, int handlesCount, long timeout)
+        {
+            handleIndex = 0;
+
+            if ((uint)handlesCount > KThread.MaxWaitSyncObjects)
+            {
+                return KernelResult.MaximumExceeded;
+            }
+
+            KThread currentThread = KernelStatic.GetCurrentThread();
+
+            if (handlesCount != 0)
+            {
+                KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+                if (currentProcess.MemoryManager.AddrSpaceStart > handlesPtr)
+                {
+                    return KernelResult.UserCopyFailed;
+                }
+
+                long handlesSize = handlesCount * 4;
+
+                if (handlesPtr + (ulong)handlesSize <= handlesPtr)
+                {
+                    return KernelResult.UserCopyFailed;
+                }
+
+                if (handlesPtr + (ulong)handlesSize - 1 > currentProcess.MemoryManager.AddrSpaceEnd - 1)
+                {
+                    return KernelResult.UserCopyFailed;
+                }
+
+                Span<int> handles = new Span<int>(currentThread.WaitSyncHandles).Slice(0, handlesCount);
+
+                if (!KernelTransfer.UserToKernelArray(handlesPtr, handles))
+                {
+                    return KernelResult.UserCopyFailed;
+                }
+
+                return WaitSynchronization(out handleIndex, handles, timeout);
+            }
+
+            return WaitSynchronization(out handleIndex, ReadOnlySpan<int>.Empty, timeout);
+        }
+
+        public Result WaitSynchronization(out int handleIndex, ReadOnlySpan<int> handles, long timeout)
+        {
+            handleIndex = 0;
+
+            if ((uint)handles.Length > KThread.MaxWaitSyncObjects)
+            {
+                return KernelResult.MaximumExceeded;
+            }
+
+            KThread currentThread = KernelStatic.GetCurrentThread();
+
+            var syncObjs = new Span<KSynchronizationObject>(currentThread.WaitSyncObjects).Slice(0, handles.Length);
+
+            if (handles.Length != 0)
+            {
+                KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+                int processedHandles = 0;
+
+                for (; processedHandles < handles.Length; processedHandles++)
+                {
+                    KSynchronizationObject syncObj = currentProcess.HandleTable.GetObject<KSynchronizationObject>(handles[processedHandles]);
+
+                    if (syncObj == null)
+                    {
+                        break;
+                    }
+
+                    syncObjs[processedHandles] = syncObj;
+
+                    syncObj.IncrementReferenceCount();
+                }
+
+                if (processedHandles != handles.Length)
+                {
+                    // One or more handles are invalid.
+                    for (int index = 0; index < processedHandles; index++)
+                    {
+                        currentThread.WaitSyncObjects[index].DecrementReferenceCount();
+                    }
+
+                    return KernelResult.InvalidHandle;
+                }
+            }
+
+            if (timeout > 0)
+            {
+                timeout += KTimeManager.DefaultTimeIncrementNanoseconds;
+            }
+
+            Result result = _context.Synchronization.WaitFor(syncObjs, timeout, out handleIndex);
+
+            if (result == KernelResult.PortRemoteClosed)
+            {
+                result = Result.Success;
+            }
+
+            for (int index = 0; index < handles.Length; index++)
+            {
+                currentThread.WaitSyncObjects[index].DecrementReferenceCount();
+            }
+
+            return result;
+        }
+
+        [Svc(0x19)]
+        public Result CancelSynchronization(int handle)
+        {
+            KProcess process = KernelStatic.GetCurrentProcess();
+
+            KThread thread = process.HandleTable.GetKThread(handle);
+
+            if (thread == null)
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            thread.CancelSynchronization();
+
+            return Result.Success;
+        }
+
+        [Svc(0x1a)]
+        public Result ArbitrateLock(int ownerHandle, [PointerSized] ulong mutexAddress, int requesterHandle)
+        {
+            if (IsPointingInsideKernel(mutexAddress))
+            {
+                return KernelResult.InvalidMemState;
+            }
+
+            if (IsAddressNotWordAligned(mutexAddress))
+            {
+                return KernelResult.InvalidAddress;
+            }
+
+            KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+            return currentProcess.AddressArbiter.ArbitrateLock(ownerHandle, mutexAddress, requesterHandle);
+        }
+
+        [Svc(0x1b)]
+        public Result ArbitrateUnlock([PointerSized] ulong mutexAddress)
+        {
+            if (IsPointingInsideKernel(mutexAddress))
+            {
+                return KernelResult.InvalidMemState;
+            }
+
+            if (IsAddressNotWordAligned(mutexAddress))
+            {
+                return KernelResult.InvalidAddress;
+            }
+
+            KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+            return currentProcess.AddressArbiter.ArbitrateUnlock(mutexAddress);
+        }
+
+        [Svc(0x1c)]
+        public Result WaitProcessWideKeyAtomic(
+            [PointerSized] ulong mutexAddress,
+            [PointerSized] ulong condVarAddress,
+            int handle,
+            long timeout)
+        {
+            if (IsPointingInsideKernel(mutexAddress))
+            {
+                return KernelResult.InvalidMemState;
+            }
+
+            if (IsAddressNotWordAligned(mutexAddress))
+            {
+                return KernelResult.InvalidAddress;
+            }
+
+            KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+            if (timeout > 0)
+            {
+                timeout += KTimeManager.DefaultTimeIncrementNanoseconds;
+            }
+
+            return currentProcess.AddressArbiter.WaitProcessWideKeyAtomic(
+                mutexAddress,
+                condVarAddress,
+                handle,
+                timeout);
+        }
+
+        [Svc(0x1d)]
+        public Result SignalProcessWideKey([PointerSized] ulong address, int count)
+        {
+            KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+            currentProcess.AddressArbiter.SignalProcessWideKey(address, count);
+
+            return Result.Success;
+        }
+
+        [Svc(0x34)]
+        public Result WaitForAddress([PointerSized] ulong address, ArbitrationType type, int value, long timeout)
+        {
+            if (IsPointingInsideKernel(address))
+            {
+                return KernelResult.InvalidMemState;
+            }
+
+            if (IsAddressNotWordAligned(address))
+            {
+                return KernelResult.InvalidAddress;
+            }
+
+            KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+            if (timeout > 0)
+            {
+                timeout += KTimeManager.DefaultTimeIncrementNanoseconds;
+            }
+
+            return type switch
+            {
+                ArbitrationType.WaitIfLessThan
+                    => currentProcess.AddressArbiter.WaitForAddressIfLessThan(address, value, false, timeout),
+                ArbitrationType.DecrementAndWaitIfLessThan
+                    => currentProcess.AddressArbiter.WaitForAddressIfLessThan(address, value, true, timeout),
+                ArbitrationType.WaitIfEqual
+                    => currentProcess.AddressArbiter.WaitForAddressIfEqual(address, value, timeout),
+                _ => KernelResult.InvalidEnumValue,
+            };
+        }
+
+        [Svc(0x35)]
+        public Result SignalToAddress([PointerSized] ulong address, SignalType type, int value, int count)
+        {
+            if (IsPointingInsideKernel(address))
+            {
+                return KernelResult.InvalidMemState;
+            }
+
+            if (IsAddressNotWordAligned(address))
+            {
+                return KernelResult.InvalidAddress;
+            }
+
+            KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+            return type switch
+            {
+                SignalType.Signal
+                    => currentProcess.AddressArbiter.Signal(address, count),
+                SignalType.SignalAndIncrementIfEqual
+                    => currentProcess.AddressArbiter.SignalAndIncrementIfEqual(address, value, count),
+                SignalType.SignalAndModifyIfEqual
+                    => currentProcess.AddressArbiter.SignalAndModifyIfEqual(address, value, count),
+                _ => KernelResult.InvalidEnumValue
+            };
+        }
+
+        [Svc(0x36)]
+        public Result SynchronizePreemptionState()
+        {
+            KernelStatic.GetCurrentThread().SynchronizePreemptionState();
+
+            return Result.Success;
+        }
+
+        private static bool IsPointingInsideKernel(ulong address)
+        {
+            return (address + 0x1000000000) < 0xffffff000;
+        }
+
+        private static bool IsAddressNotWordAligned(ulong address)
+        {
+            return (address & 3) != 0;
+        }
+    }
+}
\ No newline at end of file