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

1 files changed, 60 insertions, 0 deletions

diff --git a/src/Ryujinx.Cpu/LightningJit/Graph/RegisterMask.cs b/src/Ryujinx.Cpu/LightningJit/Graph/RegisterMask.cs
new file mode 100644
index 00000000..cde324d5
--- /dev/null
+++ b/src/Ryujinx.Cpu/LightningJit/Graph/RegisterMask.cs
@@ -0,0 +1,60 @@
+using System;
+
+namespace Ryujinx.Cpu.LightningJit.Graph
+{
+    readonly struct RegisterMask : IEquatable<RegisterMask>
+    {
+        public readonly uint GprMask;
+        public readonly uint FpSimdMask;
+        public readonly uint PStateMask;
+
+        public static RegisterMask Zero => new(0u, 0u, 0u);
+
+        public RegisterMask(uint gprMask, uint fpSimdMask, uint pStateMask)
+        {
+            GprMask = gprMask;
+            FpSimdMask = fpSimdMask;
+            PStateMask = pStateMask;
+        }
+
+        public static RegisterMask operator &(RegisterMask x, RegisterMask y)
+        {
+            return new(x.GprMask & y.GprMask, x.FpSimdMask & y.FpSimdMask, x.PStateMask & y.PStateMask);
+        }
+
+        public static RegisterMask operator |(RegisterMask x, RegisterMask y)
+        {
+            return new(x.GprMask | y.GprMask, x.FpSimdMask | y.FpSimdMask, x.PStateMask | y.PStateMask);
+        }
+
+        public static RegisterMask operator ~(RegisterMask x)
+        {
+            return new(~x.GprMask, ~x.FpSimdMask, ~x.PStateMask);
+        }
+
+        public static bool operator ==(RegisterMask x, RegisterMask y)
+        {
+            return x.Equals(y);
+        }
+
+        public static bool operator !=(RegisterMask x, RegisterMask y)
+        {
+            return !x.Equals(y);
+        }
+
+        public override bool Equals(object obj)
+        {
+            return obj is RegisterMask regMask && Equals(regMask);
+        }
+
+        public bool Equals(RegisterMask other)
+        {
+            return GprMask == other.GprMask && FpSimdMask == other.FpSimdMask && PStateMask == other.PStateMask;
+        }
+
+        public override int GetHashCode()
+        {
+            return HashCode.Combine(GprMask, FpSimdMask, PStateMask);
+        }
+    }
+}