Android: NCE support

2026-10-07 07:58:54 +02:00 · 2025-05-26 16:02:20 -05:00
parent 19dd23c288
commit cd3221abdc
35 changed files with 3783 additions and 45 deletions
@@ -0,0 +1,98 @@
+using ARMeilleure.State;
+using Ryujinx.Common.Memory;
+using Ryujinx.Memory;
+using System;
+using System.Runtime.CompilerServices;
+
+namespace Ryujinx.Cpu.Nce
+{
+    class NceNativeContext : IDisposable
+    {
+        public struct NativeCtxStorage
+        {
+            public Array32<ulong> X;
+            public Array32<V128> V;
+            public ulong TpidrEl0;
+            public ulong TpidrroEl0;
+            public ulong CtrEl0;
+            public uint Pstate;
+            public uint Fpcr;
+            public uint Fpsr;
+            public uint InManaged;
+            public ulong HostSp;
+            public IntPtr HostThreadHandle;
+            public ulong TempStorage;
+            public IntPtr SvcCallHandler;
+        }
+
+        private static NativeCtxStorage _dummyStorage = new();
+
+        private readonly MemoryBlock _block;
+
+        public IntPtr BasePtr => _block.Pointer;
+
+        public NceNativeContext()
+        {
+            _block = new MemoryBlock((ulong)Unsafe.SizeOf<NativeCtxStorage>());
+        }
+
+        public static int GetXOffset(int index)
+        {
+            return StorageOffset(ref _dummyStorage, ref _dummyStorage.X[index]);
+        }
+
+        public static int GetGuestSPOffset()
+        {
+            return StorageOffset(ref _dummyStorage, ref _dummyStorage.X[31]);
+        }
+
+        public static int GetVOffset(int index)
+        {
+            return StorageOffset(ref _dummyStorage, ref _dummyStorage.V[index]);
+        }
+
+        public static int GetTpidrEl0Offset()
+        {
+            return StorageOffset(ref _dummyStorage, ref _dummyStorage.TpidrEl0);
+        }
+
+        public static int GetTpidrroEl0Offset()
+        {
+            return StorageOffset(ref _dummyStorage, ref _dummyStorage.TpidrroEl0);
+        }
+
+        public static int GetInManagedOffset()
+        {
+            return StorageOffset(ref _dummyStorage, ref _dummyStorage.InManaged);
+        }
+
+        public static int GetHostSPOffset()
+        {
+            return StorageOffset(ref _dummyStorage, ref _dummyStorage.HostSp);
+        }
+
+        public static int GetCtrEl0Offset()
+        {
+            return StorageOffset(ref _dummyStorage, ref _dummyStorage.CtrEl0);
+        }
+
+        public static int GetTempStorageOffset()
+        {
+            return StorageOffset(ref _dummyStorage, ref _dummyStorage.TempStorage);
+        }
+
+        public static int GetSvcCallHandlerOffset()
+        {
+            return StorageOffset(ref _dummyStorage, ref _dummyStorage.SvcCallHandler);
+        }
+
+        private static int StorageOffset<T>(ref NativeCtxStorage storage, ref T target)
+        {
+            return (int)Unsafe.ByteOffset(ref Unsafe.As<NativeCtxStorage, T>(ref storage), ref target);
+        }
+
+        public unsafe ref NativeCtxStorage GetStorage() => ref Unsafe.AsRef<NativeCtxStorage>((void*)_block.Pointer);
+
+        public void Dispose() => _block.Dispose();
+    }
+}