Rename Ryujinx.Core to Ryujinx.HLE and add a separate project for a future LLE implementation

Ryujinx.HLE/OsHle/Handles/HSharedMem.cs

@@ -0,0 +1,44 @@
+using ChocolArm64.Memory;
+using System;
+using System.Collections.Generic;
+
+namespace Ryujinx.HLE.OsHle.Handles
+{
+    class HSharedMem
+    {
+        private List<(AMemory, long)> Positions;
+
+        public EventHandler<EventArgs> MemoryMapped;
+        public EventHandler<EventArgs> MemoryUnmapped;
+
+        public HSharedMem()
+        {
+            Positions = new List<(AMemory, long)>();
+        }
+
+        public void AddVirtualPosition(AMemory Memory, long Position)
+        {
+            lock (Positions)
+            {
+                Positions.Add((Memory, Position));
+
+                MemoryMapped?.Invoke(this, EventArgs.Empty);
+            }
+        }
+
+        public void RemoveVirtualPosition(AMemory Memory, long Position)
+        {
+            lock (Positions)
+            {
+                Positions.Remove((Memory, Position));
+
+                MemoryUnmapped?.Invoke(this, EventArgs.Empty);
+            }
+        }
+
+        public (AMemory, long)[] GetVirtualPositions()
+        {
+            return Positions.ToArray();
+        }
+    }
+}