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-rw-r--r--ChocolArm64/Instructions/InstEmitMemoryHelper.cs475
1 files changed, 0 insertions, 475 deletions
diff --git a/ChocolArm64/Instructions/InstEmitMemoryHelper.cs b/ChocolArm64/Instructions/InstEmitMemoryHelper.cs
deleted file mode 100644
index 08c8265b..00000000
--- a/ChocolArm64/Instructions/InstEmitMemoryHelper.cs
+++ /dev/null
@@ -1,475 +0,0 @@
-using ChocolArm64.Decoders;
-using ChocolArm64.IntermediateRepresentation;
-using ChocolArm64.Memory;
-using ChocolArm64.State;
-using ChocolArm64.Translation;
-using System;
-using System.Reflection.Emit;
-using System.Runtime.Intrinsics.X86;
-
-namespace ChocolArm64.Instructions
-{
- static class InstEmitMemoryHelper
- {
- private static int _tempIntAddress = ILEmitterCtx.GetIntTempIndex();
- private static int _tempIntValue = ILEmitterCtx.GetIntTempIndex();
- private static int _tempIntPtAddr = ILEmitterCtx.GetIntTempIndex();
- private static int _tempVecValue = ILEmitterCtx.GetVecTempIndex();
-
- private enum Extension
- {
- Zx,
- Sx32,
- Sx64
- }
-
- public static void EmitReadZxCall(ILEmitterCtx context, int size)
- {
- EmitReadCall(context, Extension.Zx, size);
- }
-
- public static void EmitReadSx32Call(ILEmitterCtx context, int size)
- {
- EmitReadCall(context, Extension.Sx32, size);
- }
-
- public static void EmitReadSx64Call(ILEmitterCtx context, int size)
- {
- EmitReadCall(context, Extension.Sx64, size);
- }
-
- private static void EmitReadCall(ILEmitterCtx context, Extension ext, int size)
- {
- // Save the address into a temp.
- context.EmitStint(_tempIntAddress);
-
- bool isSimd = IsSimd(context);
-
- if (size < 0 || size > (isSimd ? 4 : 3))
- {
- throw new ArgumentOutOfRangeException(nameof(size));
- }
-
- if (isSimd)
- {
- if (context.Tier == TranslationTier.Tier0 || !Sse2.IsSupported || size < 2)
- {
- EmitReadVectorFallback(context, size);
- }
- else
- {
- EmitReadVector(context, size);
- }
- }
- else
- {
- if (context.Tier == TranslationTier.Tier0)
- {
- EmitReadIntFallback(context, size);
- }
- else
- {
- EmitReadInt(context, size);
- }
- }
-
- if (!isSimd)
- {
- if (ext == Extension.Sx32 ||
- ext == Extension.Sx64)
- {
- switch (size)
- {
- case 0: context.Emit(OpCodes.Conv_I1); break;
- case 1: context.Emit(OpCodes.Conv_I2); break;
- case 2: context.Emit(OpCodes.Conv_I4); break;
- }
- }
-
- if (size < 3)
- {
- context.Emit(ext == Extension.Sx64
- ? OpCodes.Conv_I8
- : OpCodes.Conv_U8);
- }
- }
- }
-
- public static void EmitWriteCall(ILEmitterCtx context, int size)
- {
- bool isSimd = IsSimd(context);
-
- // Save the value into a temp.
- if (isSimd)
- {
- context.EmitStvec(_tempVecValue);
- }
- else
- {
- context.EmitStint(_tempIntValue);
- }
-
- // Save the address into a temp.
- context.EmitStint(_tempIntAddress);
-
- if (size < 0 || size > (isSimd ? 4 : 3))
- {
- throw new ArgumentOutOfRangeException(nameof(size));
- }
-
- if (isSimd)
- {
- if (context.Tier == TranslationTier.Tier0 || !Sse2.IsSupported || size < 2)
- {
- EmitWriteVectorFallback(context, size);
- }
- else
- {
- EmitWriteVector(context, size);
- }
- }
- else
- {
- if (context.Tier == TranslationTier.Tier0)
- {
- EmitWriteIntFallback(context, size);
- }
- else
- {
- EmitWriteInt(context, size);
- }
- }
- }
-
- private static bool IsSimd(ILEmitterCtx context)
- {
- return context.CurrOp is IOpCodeSimd64 &&
- !(context.CurrOp is OpCodeSimdMemMs64 ||
- context.CurrOp is OpCodeSimdMemSs64);
- }
-
- private static void EmitReadInt(ILEmitterCtx context, int size)
- {
- EmitAddressCheck(context, size);
-
- ILLabel lblFastPath = new ILLabel();
- ILLabel lblSlowPath = new ILLabel();
- ILLabel lblEnd = new ILLabel();
-
- context.Emit(OpCodes.Brfalse_S, lblFastPath);
-
- context.MarkLabel(lblSlowPath);
-
- EmitReadIntFallback(context, size);
-
- context.Emit(OpCodes.Br, lblEnd);
-
- context.MarkLabel(lblFastPath);
-
- EmitPtPointerLoad(context, lblSlowPath);
-
- switch (size)
- {
- case 0: context.Emit(OpCodes.Ldind_U1); break;
- case 1: context.Emit(OpCodes.Ldind_U2); break;
- case 2: context.Emit(OpCodes.Ldind_U4); break;
- case 3: context.Emit(OpCodes.Ldind_I8); break;
- }
-
- context.MarkLabel(lblEnd);
- }
-
- private static void EmitReadVector(ILEmitterCtx context, int size)
- {
- EmitAddressCheck(context, size);
-
- ILLabel lblFastPath = new ILLabel();
- ILLabel lblSlowPath = new ILLabel();
- ILLabel lblEnd = new ILLabel();
-
- context.Emit(OpCodes.Brfalse_S, lblFastPath);
-
- context.MarkLabel(lblSlowPath);
-
- EmitReadVectorFallback(context, size);
-
- context.Emit(OpCodes.Br, lblEnd);
-
- context.MarkLabel(lblFastPath);
-
- EmitPtPointerLoad(context, lblSlowPath);
-
- switch (size)
- {
- case 2: context.EmitCall(typeof(Sse), nameof(Sse.LoadScalarVector128)); break;
-
- case 3:
- {
- Type[] types = new Type[] { typeof(double*) };
-
- context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.LoadScalarVector128), types));
-
- break;
- }
-
- case 4: context.EmitCall(typeof(Sse), nameof(Sse.LoadAlignedVector128)); break;
-
- throw new InvalidOperationException($"Invalid vector load size of {1 << size} bytes.");
- }
-
- context.MarkLabel(lblEnd);
- }
-
- private static void EmitWriteInt(ILEmitterCtx context, int size)
- {
- EmitAddressCheck(context, size);
-
- ILLabel lblFastPath = new ILLabel();
- ILLabel lblSlowPath = new ILLabel();
- ILLabel lblEnd = new ILLabel();
-
- context.Emit(OpCodes.Brfalse_S, lblFastPath);
-
- context.MarkLabel(lblSlowPath);
-
- EmitWriteIntFallback(context, size);
-
- context.Emit(OpCodes.Br, lblEnd);
-
- context.MarkLabel(lblFastPath);
-
- EmitPtPointerLoad(context, lblSlowPath);
-
- context.EmitLdint(_tempIntValue);
-
- if (size < 3)
- {
- context.Emit(OpCodes.Conv_U4);
- }
-
- switch (size)
- {
- case 0: context.Emit(OpCodes.Stind_I1); break;
- case 1: context.Emit(OpCodes.Stind_I2); break;
- case 2: context.Emit(OpCodes.Stind_I4); break;
- case 3: context.Emit(OpCodes.Stind_I8); break;
- }
-
- context.MarkLabel(lblEnd);
- }
-
- private static void EmitWriteVector(ILEmitterCtx context, int size)
- {
- EmitAddressCheck(context, size);
-
- ILLabel lblFastPath = new ILLabel();
- ILLabel lblSlowPath = new ILLabel();
- ILLabel lblEnd = new ILLabel();
-
- context.Emit(OpCodes.Brfalse_S, lblFastPath);
-
- context.MarkLabel(lblSlowPath);
-
- EmitWriteVectorFallback(context, size);
-
- context.Emit(OpCodes.Br, lblEnd);
-
- context.MarkLabel(lblFastPath);
-
- EmitPtPointerLoad(context, lblSlowPath);
-
- context.EmitLdvec(_tempVecValue);
-
- switch (size)
- {
- case 2: context.EmitCall(typeof(Sse), nameof(Sse.StoreScalar)); break;
- case 3: context.EmitCall(typeof(Sse2), nameof(Sse2.StoreScalar)); break;
- case 4: context.EmitCall(typeof(Sse), nameof(Sse.StoreAligned)); break;
-
- default: throw new InvalidOperationException($"Invalid vector store size of {1 << size} bytes.");
- }
-
- context.MarkLabel(lblEnd);
- }
-
- private static void EmitAddressCheck(ILEmitterCtx context, int size)
- {
- long addressCheckMask = ~(context.Memory.AddressSpaceSize - 1);
-
- addressCheckMask |= (1u << size) - 1;
-
- context.EmitLdint(_tempIntAddress);
-
- context.EmitLdc_I(addressCheckMask);
-
- context.Emit(OpCodes.And);
- }
-
- private static void EmitPtPointerLoad(ILEmitterCtx context, ILLabel lblFallbackPath)
- {
- context.EmitLdc_I8(context.Memory.PageTable.ToInt64());
-
- context.Emit(OpCodes.Conv_I);
-
- int bit = MemoryManager.PageBits;
-
- do
- {
- context.EmitLdint(_tempIntAddress);
-
- if (context.CurrOp.RegisterSize == RegisterSize.Int32)
- {
- context.Emit(OpCodes.Conv_U8);
- }
-
- context.EmitLsr(bit);
-
- bit += context.Memory.PtLevelBits;
-
- if (bit < context.Memory.AddressSpaceBits)
- {
- context.EmitLdc_I8(context.Memory.PtLevelMask);
-
- context.Emit(OpCodes.And);
- }
-
- context.EmitLdc_I8(IntPtr.Size);
-
- context.Emit(OpCodes.Mul);
- context.Emit(OpCodes.Conv_I);
- context.Emit(OpCodes.Add);
- context.Emit(OpCodes.Ldind_I);
- }
- while (bit < context.Memory.AddressSpaceBits);
-
- if (!context.Memory.HasWriteWatchSupport)
- {
- context.Emit(OpCodes.Conv_U8);
-
- context.EmitStint(_tempIntPtAddr);
- context.EmitLdint(_tempIntPtAddr);
-
- context.EmitLdc_I8(MemoryManager.PteFlagsMask);
-
- context.Emit(OpCodes.And);
-
- context.Emit(OpCodes.Brtrue, lblFallbackPath);
-
- context.EmitLdint(_tempIntPtAddr);
-
- context.Emit(OpCodes.Conv_I);
- }
-
- context.EmitLdint(_tempIntAddress);
-
- context.EmitLdc_I(MemoryManager.PageMask);
-
- context.Emit(OpCodes.And);
- context.Emit(OpCodes.Conv_I);
- context.Emit(OpCodes.Add);
- }
-
- private static void EmitReadIntFallback(ILEmitterCtx context, int size)
- {
- context.EmitLdarg(TranslatedSub.MemoryArgIdx);
- context.EmitLdint(_tempIntAddress);
-
- if (context.CurrOp.RegisterSize == RegisterSize.Int32)
- {
- context.Emit(OpCodes.Conv_U8);
- }
-
- string fallbackMethodName = null;
-
- switch (size)
- {
- case 0: fallbackMethodName = nameof(MemoryManager.ReadByte); break;
- case 1: fallbackMethodName = nameof(MemoryManager.ReadUInt16); break;
- case 2: fallbackMethodName = nameof(MemoryManager.ReadUInt32); break;
- case 3: fallbackMethodName = nameof(MemoryManager.ReadUInt64); break;
- }
-
- context.EmitCall(typeof(MemoryManager), fallbackMethodName);
- }
-
- private static void EmitReadVectorFallback(ILEmitterCtx context, int size)
- {
- context.EmitLdarg(TranslatedSub.MemoryArgIdx);
- context.EmitLdint(_tempIntAddress);
-
- if (context.CurrOp.RegisterSize == RegisterSize.Int32)
- {
- context.Emit(OpCodes.Conv_U8);
- }
-
- string fallbackMethodName = null;
-
- switch (size)
- {
- case 0: fallbackMethodName = nameof(MemoryManager.ReadVector8); break;
- case 1: fallbackMethodName = nameof(MemoryManager.ReadVector16); break;
- case 2: fallbackMethodName = nameof(MemoryManager.ReadVector32); break;
- case 3: fallbackMethodName = nameof(MemoryManager.ReadVector64); break;
- case 4: fallbackMethodName = nameof(MemoryManager.ReadVector128); break;
- }
-
- context.EmitCall(typeof(MemoryManager), fallbackMethodName);
- }
-
- private static void EmitWriteIntFallback(ILEmitterCtx context, int size)
- {
- context.EmitLdarg(TranslatedSub.MemoryArgIdx);
- context.EmitLdint(_tempIntAddress);
-
- if (context.CurrOp.RegisterSize == RegisterSize.Int32)
- {
- context.Emit(OpCodes.Conv_U8);
- }
-
- context.EmitLdint(_tempIntValue);
-
- if (size < 3)
- {
- context.Emit(OpCodes.Conv_U4);
- }
-
- string fallbackMethodName = null;
-
- switch (size)
- {
- case 0: fallbackMethodName = nameof(MemoryManager.WriteByte); break;
- case 1: fallbackMethodName = nameof(MemoryManager.WriteUInt16); break;
- case 2: fallbackMethodName = nameof(MemoryManager.WriteUInt32); break;
- case 3: fallbackMethodName = nameof(MemoryManager.WriteUInt64); break;
- }
-
- context.EmitCall(typeof(MemoryManager), fallbackMethodName);
- }
-
- private static void EmitWriteVectorFallback(ILEmitterCtx context, int size)
- {
- context.EmitLdarg(TranslatedSub.MemoryArgIdx);
- context.EmitLdint(_tempIntAddress);
-
- if (context.CurrOp.RegisterSize == RegisterSize.Int32)
- {
- context.Emit(OpCodes.Conv_U8);
- }
-
- context.EmitLdvec(_tempVecValue);
-
- string fallbackMethodName = null;
-
- switch (size)
- {
- case 0: fallbackMethodName = nameof(MemoryManager.WriteVector8); break;
- case 1: fallbackMethodName = nameof(MemoryManager.WriteVector16); break;
- case 2: fallbackMethodName = nameof(MemoryManager.WriteVector32); break;
- case 3: fallbackMethodName = nameof(MemoryManager.WriteVector64); break;
- case 4: fallbackMethodName = nameof(MemoryManager.WriteVector128Internal); break;
- }
-
- context.EmitCall(typeof(MemoryManager), fallbackMethodName);
- }
- }
-} \ No newline at end of file
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