1 files changed, 131 insertions, 0 deletions
diff --git a/src/Ryujinx.HLE/HOS/Services/Time/StaticService/ISystemClock.cs b/src/Ryujinx.HLE/HOS/Services/Time/StaticService/ISystemClock.cs
new file mode 100644
index 00000000..3cd0a4a6
--- /dev/null
+++ b/src/Ryujinx.HLE/HOS/Services/Time/StaticService/ISystemClock.cs
@@ -0,0 +1,131 @@
+using Ryujinx.Common;
+using Ryujinx.Cpu;
+using Ryujinx.HLE.HOS.Ipc;
+using Ryujinx.HLE.HOS.Kernel.Threading;
+using Ryujinx.HLE.HOS.Services.Time.Clock;
+using Ryujinx.Horizon.Common;
+using System;
+
+namespace Ryujinx.HLE.HOS.Services.Time.StaticService
+{
+    class ISystemClock : IpcService
+    {
+        private SystemClockCore _clockCore;
+        private bool            _writePermission;
+        private bool            _bypassUninitializedClock;
+        private int             _operationEventReadableHandle;
+
+        public ISystemClock(SystemClockCore clockCore, bool writePermission, bool bypassUninitializedClock)
+        {
+            _clockCore                    = clockCore;
+            _writePermission              = writePermission;
+            _bypassUninitializedClock     = bypassUninitializedClock;
+            _operationEventReadableHandle = 0;
+        }
+
+        [CommandCmif(0)]
+        // GetCurrentTime() -> nn::time::PosixTime
+        public ResultCode GetCurrentTime(ServiceCtx context)
+        {
+            if (!_bypassUninitializedClock && !_clockCore.IsInitialized())
+            {
+                return ResultCode.UninitializedClock;
+            }
+
+            ITickSource tickSource = context.Device.System.TickSource;
+
+            ResultCode result = _clockCore.GetCurrentTime(tickSource, out long posixTime);
+
+            if (result == ResultCode.Success)
+            {
+                context.ResponseData.Write(posixTime);
+            }
+
+            return result;
+        }
+
+        [CommandCmif(1)]
+        // SetCurrentTime(nn::time::PosixTime)
+        public ResultCode SetCurrentTime(ServiceCtx context)
+        {
+            if (!_writePermission)
+            {
+                return ResultCode.PermissionDenied;
+            }
+
+            if (!_bypassUninitializedClock && !_clockCore.IsInitialized())
+            {
+                return ResultCode.UninitializedClock;
+            }
+
+            long posixTime = context.RequestData.ReadInt64();
+
+            ITickSource tickSource = context.Device.System.TickSource;
+
+            return _clockCore.SetCurrentTime(tickSource, posixTime);
+        }
+
+        [CommandCmif(2)]
+        // GetClockContext() -> nn::time::SystemClockContext
+        public ResultCode GetSystemClockContext(ServiceCtx context)
+        {
+            if (!_bypassUninitializedClock && !_clockCore.IsInitialized())
+            {
+                return ResultCode.UninitializedClock;
+            }
+
+            ITickSource tickSource = context.Device.System.TickSource;
+
+            ResultCode result = _clockCore.GetClockContext(tickSource, out SystemClockContext clockContext);
+
+            if (result == ResultCode.Success)
+            {
+                context.ResponseData.WriteStruct(clockContext);
+            }
+
+            return result;
+        }
+
+        [CommandCmif(3)]
+        // SetClockContext(nn::time::SystemClockContext)
+        public ResultCode SetSystemClockContext(ServiceCtx context)
+        {
+            if (!_writePermission)
+            {
+                return ResultCode.PermissionDenied;
+            }
+
+            if (!_bypassUninitializedClock && !_clockCore.IsInitialized())
+            {
+                return ResultCode.UninitializedClock;
+            }
+
+            SystemClockContext clockContext = context.RequestData.ReadStruct<SystemClockContext>();
+
+            ResultCode result = _clockCore.SetSystemClockContext(clockContext);
+
+            return result;
+        }
+
+        [CommandCmif(4)] // 9.0.0+
+        // GetOperationEventReadableHandle() -> handle<copy>
+        public ResultCode GetOperationEventReadableHandle(ServiceCtx context)
+        {
+            if (_operationEventReadableHandle == 0)
+            {
+                KEvent kEvent = new KEvent(context.Device.System.KernelContext);
+
+                _clockCore.RegisterOperationEvent(kEvent.WritableEvent);
+
+                if (context.Process.HandleTable.GenerateHandle(kEvent.ReadableEvent, out _operationEventReadableHandle) != Result.Success)
+                {
+                    throw new InvalidOperationException("Out of handles!");
+                }
+            }
+
+            context.Response.HandleDesc = IpcHandleDesc.MakeCopy(_operationEventReadableHandle);
+
+            return ResultCode.Success;
+        }
+    }
+}
+\ No newline at end of file