Implement a new JIT for Arm devices (#6057)

* Implement a new JIT for Arm devices

* Auto-format

* Make a lot of Assembler members read-only

* More read-only

* Fix more warnings

* ObjectDisposedException.ThrowIf

* New JIT cache for platforms that enforce W^X, currently unused

* Remove unused using

* Fix assert

* Pass memory manager type around

* Safe memory manager mode support + other improvements

* Actual safe memory manager mode masking support

* PR feedback

src/Ryujinx.Cpu/LightningJit/CodeGen/Register.cs

@@ -0,0 +1,42 @@
+using System;
+
+namespace Ryujinx.Cpu.LightningJit.CodeGen
+{
+    readonly struct Register : IEquatable<Register>
+    {
+        public int Index { get; }
+
+        public RegisterType Type { get; }
+
+        public Register(int index, RegisterType type)
+        {
+            Index = index;
+            Type = type;
+        }
+
+        public override int GetHashCode()
+        {
+            return (ushort)Index | ((int)Type << 16);
+        }
+
+        public static bool operator ==(Register x, Register y)
+        {
+            return x.Equals(y);
+        }
+
+        public static bool operator !=(Register x, Register y)
+        {
+            return !x.Equals(y);
+        }
+
+        public override bool Equals(object obj)
+        {
+            return obj is Register reg && Equals(reg);
+        }
+
+        public bool Equals(Register other)
+        {
+            return other.Index == Index && other.Type == Type;
+        }
+    }
+}