Move solution and projects to src

src/Ryujinx.Horizon/ServiceEntry.cs

@@ -0,0 +1,27 @@
+using Ryujinx.Horizon.Common;
+using Ryujinx.Memory;
+using System;
+
+namespace Ryujinx.Horizon
+{
+    public struct ServiceEntry
+    {
+        private readonly Action<ServiceTable> _entrypoint;
+        private readonly ServiceTable         _serviceTable;
+        private readonly HorizonOptions       _options;
+
+        internal ServiceEntry(Action<ServiceTable> entrypoint, ServiceTable serviceTable, HorizonOptions options)
+        {
+            _entrypoint   = entrypoint;
+            _serviceTable = serviceTable;
+            _options      = options;
+        }
+
+        public void Start(ISyscallApi syscallApi, IVirtualMemoryManager addressSpace, IThreadContext threadContext)
+        {
+            HorizonStatic.Register(_options, syscallApi, addressSpace, threadContext, (int)threadContext.GetX(1));
+
+            _entrypoint(_serviceTable);
+        }
+    }
+}