.NET Core 3.0 is here! (#784)
* .NET Core 3.0 is here!
* Remove IMemoryManager.cs and its references.
* Add T Math/F.FusedMultiplyAdd(T, T, T). Nits.
* Nit.
* Update appveyor.yml
* Revert "Resolve Visual Studio build issues"
This reverts commit 1772128ce0.
* Update SvcTable.cs
This commit is contained in:
LDj3SNuD
Ac_K
parent
35443bac5a
commit
eee639d6ba
208 changed files with 138 additions and 27346 deletions
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@ -1,9 +1,8 @@
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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>netcoreapp2.1</TargetFramework>
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<TargetFramework>netcoreapp3.0</TargetFramework>
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<RuntimeIdentifiers>win-x64;osx-x64;linux-x64</RuntimeIdentifiers>
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<LangVersion>latest</LangVersion>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
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@ -1033,14 +1033,13 @@ namespace ARMeilleure.Instructions
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}
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}
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public static void Fnmadd_S(ArmEmitterContext context)
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public static void Fnmadd_S(ArmEmitterContext context) // Fused.
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{
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OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
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int sizeF = op.Size & 1;
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OperandType type = sizeF != 0 ? OperandType.FP64
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: OperandType.FP32;
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OperandType type = sizeF != 0 ? OperandType.FP64 : OperandType.FP32;
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Operand ne = context.VectorExtract(type, GetVec(op.Rn), 0);
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Operand me = context.VectorExtract(type, GetVec(op.Rm), 0);
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@ -1051,14 +1050,13 @@ namespace ARMeilleure.Instructions
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context.Copy(GetVec(op.Rd), context.VectorInsert(context.VectorZero(), res, 0));
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}
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public static void Fnmsub_S(ArmEmitterContext context)
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public static void Fnmsub_S(ArmEmitterContext context) // Fused.
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{
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OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
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int sizeF = op.Size & 1;
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OperandType type = sizeF != 0 ? OperandType.FP64
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: OperandType.FP32;
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OperandType type = sizeF != 0 ? OperandType.FP64 : OperandType.FP32;
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Operand ne = context.VectorExtract(type, GetVec(op.Rn), 0);
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Operand me = context.VectorExtract(type, GetVec(op.Rm), 0);
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@ -1073,10 +1073,7 @@ namespace ARMeilleure.Instructions
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}
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else
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{
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// TODO: When available, use: T MathF.FusedMultiplyAdd(T, T, T);
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// https://github.com/dotnet/corefx/issues/31903
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result = valueA + (value1 * value2);
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result = MathF.FusedMultiplyAdd(value1, value2, valueA);
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if ((context.Fpcr & FPCR.Fz) != 0 && float.IsSubnormal(result))
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{
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@ -1256,10 +1253,7 @@ namespace ARMeilleure.Instructions
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}
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else
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{
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// TODO: When available, use: T MathF.FusedMultiplyAdd(T, T, T);
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// https://github.com/dotnet/corefx/issues/31903
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result = 2f + (value1 * value2);
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result = MathF.FusedMultiplyAdd(value1, value2, 2f);
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if ((context.Fpcr & FPCR.Fz) != 0 && float.IsSubnormal(result))
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{
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@ -1388,10 +1382,7 @@ namespace ARMeilleure.Instructions
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}
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else
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{
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// TODO: When available, use: T MathF.FusedMultiplyAdd(T, T, T);
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// https://github.com/dotnet/corefx/issues/31903
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result = (3f + (value1 * value2)) / 2f;
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result = MathF.FusedMultiplyAdd(value1, value2, 3f) / 2f;
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if ((context.Fpcr & FPCR.Fz) != 0 && float.IsSubnormal(result))
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{
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@ -2142,10 +2133,7 @@ namespace ARMeilleure.Instructions
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}
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else
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{
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// TODO: When available, use: T Math.FusedMultiplyAdd(T, T, T);
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// https://github.com/dotnet/corefx/issues/31903
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result = valueA + (value1 * value2);
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result = Math.FusedMultiplyAdd(value1, value2, valueA);
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if ((context.Fpcr & FPCR.Fz) != 0 && double.IsSubnormal(result))
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{
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@ -2323,10 +2311,7 @@ namespace ARMeilleure.Instructions
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}
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else
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{
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// TODO: When available, use: T Math.FusedMultiplyAdd(T, T, T);
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// https://github.com/dotnet/corefx/issues/31903
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result = 2d + (value1 * value2);
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result = Math.FusedMultiplyAdd(value1, value2, 2d);
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if ((context.Fpcr & FPCR.Fz) != 0 && double.IsSubnormal(result))
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{
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@ -2455,10 +2440,7 @@ namespace ARMeilleure.Instructions
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}
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else
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{
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// TODO: When available, use: T Math.FusedMultiplyAdd(T, T, T);
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// https://github.com/dotnet/corefx/issues/31903
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result = (3d + (value1 * value2)) / 2d;
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result = Math.FusedMultiplyAdd(value1, value2, 3d) / 2d;
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if ((context.Fpcr & FPCR.Fz) != 0 && double.IsSubnormal(result))
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{
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@ -1,40 +0,0 @@
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using ARMeilleure.State;
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using System;
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namespace ARMeilleure.Memory
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{
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public interface IMemoryManager : IMemory, IDisposable
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{
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void Map(long va, long pa, long size);
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void Unmap(long position, long size);
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bool IsMapped(long position);
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long GetPhysicalAddress(long virtualAddress);
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bool IsRegionModified(long position, long size);
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bool TryGetHostAddress(long position, long size, out IntPtr ptr);
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bool IsValidPosition(long position);
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bool AtomicCompareExchangeInt32(long position, int expected, int desired);
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int AtomicIncrementInt32(long position);
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int AtomicDecrementInt32(long position);
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byte[] ReadBytes(long position, long size);
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void ReadBytes(long position, byte[] data, int startIndex, int size);
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void WriteVector128(long position, V128 value);
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void WriteBytes(long position, byte[] data);
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void WriteBytes(long position, byte[] data, int startIndex, int size);
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void CopyBytes(long src, long dst, long size);
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}
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}
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@ -7,7 +7,7 @@ namespace ARMeilleure.Memory
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{
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public static class MemoryHelper
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{
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public static void FillWithZeros(IMemoryManager memory, long position, int size)
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public static void FillWithZeros(MemoryManager memory, long position, int size)
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{
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int size8 = size & ~(8 - 1);
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@ -22,7 +22,7 @@ namespace ARMeilleure.Memory
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}
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}
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public unsafe static T Read<T>(IMemoryManager memory, long position) where T : struct
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public unsafe static T Read<T>(MemoryManager memory, long position) where T : struct
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{
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long size = Marshal.SizeOf<T>();
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@ -34,7 +34,7 @@ namespace ARMeilleure.Memory
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}
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}
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public unsafe static void Write<T>(IMemoryManager memory, long position, T value) where T : struct
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public unsafe static void Write<T>(MemoryManager memory, long position, T value) where T : struct
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{
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long size = Marshal.SizeOf<T>();
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@ -48,7 +48,7 @@ namespace ARMeilleure.Memory
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memory.WriteBytes(position, data);
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}
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public static string ReadAsciiString(IMemoryManager memory, long position, long maxSize = -1)
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public static string ReadAsciiString(MemoryManager memory, long position, long maxSize = -1)
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{
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using (MemoryStream ms = new MemoryStream())
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{
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@ -7,7 +7,7 @@ using static ARMeilleure.Memory.MemoryManagement;
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namespace ARMeilleure.Memory
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{
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public unsafe class MemoryManager : IMemoryManager
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public unsafe class MemoryManager
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{
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public const int PageBits = 12;
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public const int PageSize = 1 << PageBits;
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@ -3,7 +3,7 @@ using System.Diagnostics;
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namespace ARMeilleure.State
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{
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public class ExecutionContext : IExecutionContext
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public class ExecutionContext
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{
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private const int MinCountForCheck = 40000;
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@ -1,37 +0,0 @@
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using System;
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namespace ARMeilleure.State
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{
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public interface IExecutionContext : IDisposable
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{
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uint CtrEl0 { get; }
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uint DczidEl0 { get; }
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ulong CntfrqEl0 { get; set; }
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ulong CntpctEl0 { get; }
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long TpidrEl0 { get; set; }
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long Tpidr { get; set; }
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FPCR Fpcr { get; set; }
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FPSR Fpsr { get; set; }
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bool IsAarch32 { get; set; }
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bool Running { get; set; }
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event EventHandler<EventArgs> Interrupt;
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event EventHandler<InstExceptionEventArgs> Break;
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event EventHandler<InstExceptionEventArgs> SupervisorCall;
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event EventHandler<InstUndefinedEventArgs> Undefined;
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ulong GetX(int index);
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void SetX(int index, ulong value);
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V128 GetV(int index);
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bool GetPstateFlag(PState flag);
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void RequestInterrupt();
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}
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}
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@ -1,9 +0,0 @@
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using ARMeilleure.State;
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namespace ARMeilleure.Translation
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{
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public interface ITranslator
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{
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void Execute(IExecutionContext context, ulong address);
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}
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}
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@ -12,7 +12,7 @@ using static ARMeilleure.IntermediateRepresentation.OperandHelper;
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namespace ARMeilleure.Translation
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{
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public class Translator : ITranslator
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public class Translator
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{
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private const ulong CallFlag = InstEmitFlowHelper.CallFlag;
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@ -54,10 +54,8 @@ namespace ARMeilleure.Translation
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}
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}
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public void Execute(IExecutionContext ctx, ulong address)
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public void Execute(State.ExecutionContext context, ulong address)
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{
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State.ExecutionContext context = (State.ExecutionContext)ctx;
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if (Interlocked.Increment(ref _threadCount) == 1)
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{
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Thread backgroundTranslatorThread = new Thread(TranslateQueuedSubs);
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@ -1,39 +0,0 @@
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<Project Sdk="Microsoft.NET.Sdk">
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|
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<PropertyGroup>
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<TargetFramework>netcoreapp2.1</TargetFramework>
|
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<RuntimeIdentifiers>win-x64;osx-x64;linux-x64</RuntimeIdentifiers>
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<Configurations>Debug;Release;Profile Debug;Profile Release</Configurations>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
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<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
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</PropertyGroup>
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|
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Profile Debug|AnyCPU'">
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<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
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<DefineConstants>TRACE;USE_PROFILING</DefineConstants>
|
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<Optimize>false</Optimize>
|
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</PropertyGroup>
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|
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
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<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
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</PropertyGroup>
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|
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Profile Release|AnyCPU'">
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<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
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<DefineConstants>TRACE;USE_PROFILING</DefineConstants>
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<Optimize>true</Optimize>
|
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</PropertyGroup>
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|
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<ItemGroup>
|
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<PackageReference Include="Mono.Posix.NETStandard" Version="1.0.0" />
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<PackageReference Include="System.Runtime.Intrinsics.Experimental" Version="4.5.0-rc1" />
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</ItemGroup>
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|
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<ItemGroup>
|
||||
<ProjectReference Include="..\Ryujinx.Profiler\Ryujinx.Profiler.csproj" />
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<ProjectReference Include="..\ARMeilleure\ARMeilleure.csproj" />
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</ItemGroup>
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|
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</Project>
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@ -1,59 +0,0 @@
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namespace ChocolArm64.Decoders
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{
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static class BitUtils
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{
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public static int HighestBitSet32(int value)
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{
|
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for (int bit = 31; bit >= 0; bit--)
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{
|
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if (((value >> bit) & 1) != 0)
|
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{
|
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return bit;
|
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}
|
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}
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|
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return -1;
|
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}
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|
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private static readonly sbyte[] HbsNibbleTbl = { -1, 0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3 };
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|
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public static int HighestBitSetNibble(int value) => HbsNibbleTbl[value & 0b1111];
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|
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public static long Replicate(long bits, int size)
|
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{
|
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long output = 0;
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|
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for (int bit = 0; bit < 64; bit += size)
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{
|
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output |= bits << bit;
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}
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|
||||
return output;
|
||||
}
|
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|
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public static long FillWithOnes(int bits)
|
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{
|
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return bits == 64 ? -1L : (1L << bits) - 1;
|
||||
}
|
||||
|
||||
public static int RotateRight(int bits, int shift, int size)
|
||||
{
|
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return (int)RotateRight((uint)bits, shift, size);
|
||||
}
|
||||
|
||||
public static uint RotateRight(uint bits, int shift, int size)
|
||||
{
|
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return (bits >> shift) | (bits << (size - shift));
|
||||
}
|
||||
|
||||
public static long RotateRight(long bits, int shift, int size)
|
||||
{
|
||||
return (long)RotateRight((ulong)bits, shift, size);
|
||||
}
|
||||
|
||||
public static ulong RotateRight(ulong bits, int shift, int size)
|
||||
{
|
||||
return (bits >> shift) | (bits << (size - shift));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,99 +0,0 @@
|
|||
using System;
|
||||
using System.Collections.Generic;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class Block
|
||||
{
|
||||
public ulong Address { get; set; }
|
||||
public ulong EndAddress { get; set; }
|
||||
|
||||
public Block Next { get; set; }
|
||||
public Block Branch { get; set; }
|
||||
|
||||
public List<OpCode64> OpCodes { get; private set; }
|
||||
|
||||
public Block()
|
||||
{
|
||||
OpCodes = new List<OpCode64>();
|
||||
}
|
||||
|
||||
public Block(ulong address) : this()
|
||||
{
|
||||
Address = address;
|
||||
}
|
||||
|
||||
public void Split(Block rightBlock)
|
||||
{
|
||||
int splitIndex = BinarySearch(OpCodes, rightBlock.Address);
|
||||
|
||||
if ((ulong)OpCodes[splitIndex].Position < rightBlock.Address)
|
||||
{
|
||||
splitIndex++;
|
||||
}
|
||||
|
||||
int splitCount = OpCodes.Count - splitIndex;
|
||||
|
||||
if (splitCount <= 0)
|
||||
{
|
||||
throw new ArgumentException("Can't split at right block address.");
|
||||
}
|
||||
|
||||
rightBlock.EndAddress = EndAddress;
|
||||
|
||||
rightBlock.Next = Next;
|
||||
rightBlock.Branch = Branch;
|
||||
|
||||
rightBlock.OpCodes.AddRange(OpCodes.GetRange(splitIndex, splitCount));
|
||||
|
||||
EndAddress = rightBlock.Address;
|
||||
|
||||
Next = rightBlock;
|
||||
Branch = null;
|
||||
|
||||
OpCodes.RemoveRange(splitIndex, splitCount);
|
||||
}
|
||||
|
||||
private static int BinarySearch(List<OpCode64> opCodes, ulong address)
|
||||
{
|
||||
int left = 0;
|
||||
int middle = 0;
|
||||
int right = opCodes.Count - 1;
|
||||
|
||||
while (left <= right)
|
||||
{
|
||||
int size = right - left;
|
||||
|
||||
middle = left + (size >> 1);
|
||||
|
||||
OpCode64 opCode = opCodes[middle];
|
||||
|
||||
if (address == (ulong)opCode.Position)
|
||||
{
|
||||
break;
|
||||
}
|
||||
|
||||
if (address < (ulong)opCode.Position)
|
||||
{
|
||||
right = middle - 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
left = middle + 1;
|
||||
}
|
||||
}
|
||||
|
||||
return middle;
|
||||
}
|
||||
|
||||
public OpCode64 GetLastOp()
|
||||
{
|
||||
if (OpCodes.Count > 0)
|
||||
{
|
||||
return OpCodes[OpCodes.Count - 1];
|
||||
}
|
||||
|
||||
return null;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,32 +0,0 @@
|
|||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
enum Condition
|
||||
{
|
||||
Eq = 0,
|
||||
Ne = 1,
|
||||
GeUn = 2,
|
||||
LtUn = 3,
|
||||
Mi = 4,
|
||||
Pl = 5,
|
||||
Vs = 6,
|
||||
Vc = 7,
|
||||
GtUn = 8,
|
||||
LeUn = 9,
|
||||
Ge = 10,
|
||||
Lt = 11,
|
||||
Gt = 12,
|
||||
Le = 13,
|
||||
Al = 14,
|
||||
Nv = 15
|
||||
}
|
||||
|
||||
static class ConditionExtensions
|
||||
{
|
||||
public static Condition Invert(this Condition cond)
|
||||
{
|
||||
// Bit 0 of all conditions is basically a negation bit, so
|
||||
// inverting this bit has the effect of inverting the condition.
|
||||
return (Condition)((int)cond ^ 1);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,10 +0,0 @@
|
|||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
enum DataOp
|
||||
{
|
||||
Adr = 0,
|
||||
Arithmetic = 1,
|
||||
Logical = 2,
|
||||
BitField = 3
|
||||
}
|
||||
}
|
||||
|
|
@ -1,379 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
using ChocolArm64.Memory;
|
||||
using ChocolArm64.State;
|
||||
using System;
|
||||
using System.Collections.Concurrent;
|
||||
using System.Collections.Generic;
|
||||
using System.Reflection.Emit;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
static class Decoder
|
||||
{
|
||||
private delegate object OpActivator(Inst inst, long position, int opCode);
|
||||
|
||||
private static ConcurrentDictionary<Type, OpActivator> _opActivators;
|
||||
|
||||
static Decoder()
|
||||
{
|
||||
_opActivators = new ConcurrentDictionary<Type, OpActivator>();
|
||||
}
|
||||
|
||||
public static Block[] DecodeBasicBlock(MemoryManager memory, ulong address, ExecutionMode mode)
|
||||
{
|
||||
Block block = new Block(address);
|
||||
|
||||
FillBlock(memory, mode, block, ulong.MaxValue);
|
||||
|
||||
OpCode64 lastOp = block.GetLastOp();
|
||||
|
||||
if (IsBranch(lastOp) && !IsCall(lastOp) && lastOp is IOpCodeBImm op)
|
||||
{
|
||||
// It's possible that the branch on this block lands on the middle of the block.
|
||||
// This is more common on tight loops. In this case, we can improve the codegen
|
||||
// a bit by changing the CFG and either making the branch point to the same block
|
||||
// (which indicates that the block is a loop that jumps back to the start), and the
|
||||
// other possible case is a jump somewhere on the middle of the block, which is
|
||||
// also a loop, but in this case we need to split the block in half.
|
||||
if ((ulong)op.Imm == address)
|
||||
{
|
||||
block.Branch = block;
|
||||
}
|
||||
else if ((ulong)op.Imm > address &&
|
||||
(ulong)op.Imm < block.EndAddress)
|
||||
{
|
||||
Block rightBlock = new Block((ulong)op.Imm);
|
||||
|
||||
block.Split(rightBlock);
|
||||
|
||||
return new Block[] { block, rightBlock };
|
||||
}
|
||||
}
|
||||
|
||||
return new Block[] { block };
|
||||
}
|
||||
|
||||
public static Block[] DecodeSubroutine(MemoryManager memory, ulong address, ExecutionMode mode)
|
||||
{
|
||||
List<Block> blocks = new List<Block>();
|
||||
|
||||
Queue<Block> workQueue = new Queue<Block>();
|
||||
|
||||
Dictionary<ulong, Block> visited = new Dictionary<ulong, Block>();
|
||||
|
||||
Block GetBlock(ulong blkAddress)
|
||||
{
|
||||
if (!visited.TryGetValue(blkAddress, out Block block))
|
||||
{
|
||||
block = new Block(blkAddress);
|
||||
|
||||
workQueue.Enqueue(block);
|
||||
|
||||
visited.Add(blkAddress, block);
|
||||
}
|
||||
|
||||
return block;
|
||||
}
|
||||
|
||||
GetBlock(address);
|
||||
|
||||
while (workQueue.TryDequeue(out Block currBlock))
|
||||
{
|
||||
// Check if the current block is inside another block.
|
||||
if (BinarySearch(blocks, currBlock.Address, out int nBlkIndex))
|
||||
{
|
||||
Block nBlock = blocks[nBlkIndex];
|
||||
|
||||
if (nBlock.Address == currBlock.Address)
|
||||
{
|
||||
throw new InvalidOperationException("Found duplicate block address on the list.");
|
||||
}
|
||||
|
||||
nBlock.Split(currBlock);
|
||||
|
||||
blocks.Insert(nBlkIndex + 1, currBlock);
|
||||
|
||||
continue;
|
||||
}
|
||||
|
||||
// If we have a block after the current one, set the limit address.
|
||||
ulong limitAddress = ulong.MaxValue;
|
||||
|
||||
if (nBlkIndex != blocks.Count)
|
||||
{
|
||||
Block nBlock = blocks[nBlkIndex];
|
||||
|
||||
int nextIndex = nBlkIndex + 1;
|
||||
|
||||
if (nBlock.Address < currBlock.Address && nextIndex < blocks.Count)
|
||||
{
|
||||
limitAddress = blocks[nextIndex].Address;
|
||||
}
|
||||
else if (nBlock.Address > currBlock.Address)
|
||||
{
|
||||
limitAddress = blocks[nBlkIndex].Address;
|
||||
}
|
||||
}
|
||||
|
||||
FillBlock(memory, mode, currBlock, limitAddress);
|
||||
|
||||
if (currBlock.OpCodes.Count != 0)
|
||||
{
|
||||
// Set child blocks. "Branch" is the block the branch instruction
|
||||
// points to (when taken), "Next" is the block at the next address,
|
||||
// executed when the branch is not taken. For Unconditional Branches
|
||||
// (except BL/BLR that are sub calls) or end of executable, Next is null.
|
||||
OpCode64 lastOp = currBlock.GetLastOp();
|
||||
|
||||
bool isCall = IsCall(lastOp);
|
||||
|
||||
if (lastOp is IOpCodeBImm op && !isCall)
|
||||
{
|
||||
currBlock.Branch = GetBlock((ulong)op.Imm);
|
||||
}
|
||||
|
||||
if (!IsUnconditionalBranch(lastOp) || isCall)
|
||||
{
|
||||
currBlock.Next = GetBlock(currBlock.EndAddress);
|
||||
}
|
||||
}
|
||||
|
||||
// Insert the new block on the list (sorted by address).
|
||||
if (blocks.Count != 0)
|
||||
{
|
||||
Block nBlock = blocks[nBlkIndex];
|
||||
|
||||
blocks.Insert(nBlkIndex + (nBlock.Address < currBlock.Address ? 1 : 0), currBlock);
|
||||
}
|
||||
else
|
||||
{
|
||||
blocks.Add(currBlock);
|
||||
}
|
||||
}
|
||||
|
||||
return blocks.ToArray();
|
||||
}
|
||||
|
||||
private static bool BinarySearch(List<Block> blocks, ulong address, out int index)
|
||||
{
|
||||
index = 0;
|
||||
|
||||
int left = 0;
|
||||
int right = blocks.Count - 1;
|
||||
|
||||
while (left <= right)
|
||||
{
|
||||
int size = right - left;
|
||||
|
||||
int middle = left + (size >> 1);
|
||||
|
||||
Block block = blocks[middle];
|
||||
|
||||
index = middle;
|
||||
|
||||
if (address >= block.Address && address < block.EndAddress)
|
||||
{
|
||||
return true;
|
||||
}
|
||||
|
||||
if (address < block.Address)
|
||||
{
|
||||
right = middle - 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
left = middle + 1;
|
||||
}
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
private static void FillBlock(
|
||||
MemoryManager memory,
|
||||
ExecutionMode mode,
|
||||
Block block,
|
||||
ulong limitAddress)
|
||||
{
|
||||
ulong address = block.Address;
|
||||
|
||||
OpCode64 opCode;
|
||||
|
||||
do
|
||||
{
|
||||
if (address >= limitAddress)
|
||||
{
|
||||
break;
|
||||
}
|
||||
|
||||
opCode = DecodeOpCode(memory, address, mode);
|
||||
|
||||
block.OpCodes.Add(opCode);
|
||||
|
||||
address += (ulong)opCode.OpCodeSizeInBytes;
|
||||
}
|
||||
while (!(IsBranch(opCode) || IsException(opCode)));
|
||||
|
||||
block.EndAddress = address;
|
||||
}
|
||||
|
||||
private static bool IsBranch(OpCode64 opCode)
|
||||
{
|
||||
return opCode is OpCodeBImm64 ||
|
||||
opCode is OpCodeBReg64 || IsAarch32Branch(opCode);
|
||||
}
|
||||
|
||||
private static bool IsUnconditionalBranch(OpCode64 opCode)
|
||||
{
|
||||
return opCode is OpCodeBImmAl64 ||
|
||||
opCode is OpCodeBReg64 || IsAarch32UnconditionalBranch(opCode);
|
||||
}
|
||||
|
||||
private static bool IsAarch32UnconditionalBranch(OpCode64 opCode)
|
||||
{
|
||||
if (!(opCode is OpCode32 op))
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
// Note: On ARM32, most instructions have conditional execution,
|
||||
// so there's no "Always" (unconditional) branch like on ARM64.
|
||||
// We need to check if the condition is "Always" instead.
|
||||
return IsAarch32Branch(op) && op.Cond >= Condition.Al;
|
||||
}
|
||||
|
||||
private static bool IsAarch32Branch(OpCode64 opCode)
|
||||
{
|
||||
// Note: On ARM32, most ALU operations can write to R15 (PC),
|
||||
// so we must consider such operations as a branch in potential as well.
|
||||
if (opCode is IOpCode32Alu opAlu && opAlu.Rd == RegisterAlias.Aarch32Pc)
|
||||
{
|
||||
return true;
|
||||
}
|
||||
|
||||
// Same thing for memory operations. We have the cases where PC is a target
|
||||
// register (Rt == 15 or (mask & (1 << 15)) != 0), and cases where there is
|
||||
// a write back to PC (wback == true && Rn == 15), however the later may
|
||||
// be "undefined" depending on the CPU, so compilers should not produce that.
|
||||
if (opCode is IOpCode32Mem || opCode is IOpCode32MemMult)
|
||||
{
|
||||
int rt, rn;
|
||||
|
||||
bool wBack, isLoad;
|
||||
|
||||
if (opCode is IOpCode32Mem opMem)
|
||||
{
|
||||
rt = opMem.Rt;
|
||||
rn = opMem.Rn;
|
||||
wBack = opMem.WBack;
|
||||
isLoad = opMem.IsLoad;
|
||||
|
||||
// For the dual load, we also need to take into account the
|
||||
// case were Rt2 == 15 (PC).
|
||||
if (rt == 14 && opMem.Emitter == InstEmit32.Ldrd)
|
||||
{
|
||||
rt = RegisterAlias.Aarch32Pc;
|
||||
}
|
||||
}
|
||||
else if (opCode is IOpCode32MemMult opMemMult)
|
||||
{
|
||||
const int pcMask = 1 << RegisterAlias.Aarch32Pc;
|
||||
|
||||
rt = (opMemMult.RegisterMask & pcMask) != 0 ? RegisterAlias.Aarch32Pc : 0;
|
||||
rn = opMemMult.Rn;
|
||||
wBack = opMemMult.PostOffset != 0;
|
||||
isLoad = opMemMult.IsLoad;
|
||||
}
|
||||
else
|
||||
{
|
||||
throw new NotImplementedException($"The type \"{opCode.GetType().Name}\" is not implemented on the decoder.");
|
||||
}
|
||||
|
||||
if ((rt == RegisterAlias.Aarch32Pc && isLoad) ||
|
||||
(rn == RegisterAlias.Aarch32Pc && wBack))
|
||||
{
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
// Explicit branch instructions.
|
||||
return opCode is IOpCode32BImm ||
|
||||
opCode is IOpCode32BReg;
|
||||
}
|
||||
|
||||
private static bool IsCall(OpCode64 opCode)
|
||||
{
|
||||
// TODO (CQ): ARM32 support.
|
||||
return opCode.Emitter == InstEmit.Bl ||
|
||||
opCode.Emitter == InstEmit.Blr;
|
||||
}
|
||||
|
||||
private static bool IsException(OpCode64 opCode)
|
||||
{
|
||||
return opCode.Emitter == InstEmit.Brk ||
|
||||
opCode.Emitter == InstEmit.Svc ||
|
||||
opCode.Emitter == InstEmit.Und;
|
||||
}
|
||||
|
||||
public static OpCode64 DecodeOpCode(MemoryManager memory, ulong address, ExecutionMode mode)
|
||||
{
|
||||
int opCode = memory.ReadInt32((long)address);
|
||||
|
||||
Inst inst;
|
||||
|
||||
if (mode == ExecutionMode.Aarch64)
|
||||
{
|
||||
inst = OpCodeTable.GetInstA64(opCode);
|
||||
}
|
||||
else
|
||||
{
|
||||
if (mode == ExecutionMode.Aarch32Arm)
|
||||
{
|
||||
inst = OpCodeTable.GetInstA32(opCode);
|
||||
}
|
||||
else /* if (mode == ExecutionMode.Aarch32Thumb) */
|
||||
{
|
||||
inst = OpCodeTable.GetInstT32(opCode);
|
||||
}
|
||||
}
|
||||
|
||||
OpCode64 decodedOpCode = new OpCode64(Inst.Undefined, (long)address, opCode);
|
||||
|
||||
if (inst.Type != null)
|
||||
{
|
||||
decodedOpCode = MakeOpCode(inst.Type, inst, (long)address, opCode);
|
||||
}
|
||||
|
||||
return decodedOpCode;
|
||||
}
|
||||
|
||||
private static OpCode64 MakeOpCode(Type type, Inst inst, long position, int opCode)
|
||||
{
|
||||
if (type == null)
|
||||
{
|
||||
throw new ArgumentNullException(nameof(type));
|
||||
}
|
||||
|
||||
OpActivator createInstance = _opActivators.GetOrAdd(type, CacheOpActivator);
|
||||
|
||||
return (OpCode64)createInstance(inst, position, opCode);
|
||||
}
|
||||
|
||||
private static OpActivator CacheOpActivator(Type type)
|
||||
{
|
||||
Type[] argTypes = new Type[] { typeof(Inst), typeof(long), typeof(int) };
|
||||
|
||||
DynamicMethod mthd = new DynamicMethod($"Make{type.Name}", type, argTypes);
|
||||
|
||||
ILGenerator generator = mthd.GetILGenerator();
|
||||
|
||||
generator.Emit(OpCodes.Ldarg_0);
|
||||
generator.Emit(OpCodes.Ldarg_1);
|
||||
generator.Emit(OpCodes.Ldarg_2);
|
||||
generator.Emit(OpCodes.Newobj, type.GetConstructor(argTypes));
|
||||
generator.Emit(OpCodes.Ret);
|
||||
|
||||
return (OpActivator)mthd.CreateDelegate(typeof(OpActivator));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,112 +0,0 @@
|
|||
using System;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
static class DecoderHelper
|
||||
{
|
||||
public struct BitMask
|
||||
{
|
||||
public long WMask;
|
||||
public long TMask;
|
||||
public int Pos;
|
||||
public int Shift;
|
||||
public bool IsUndefined;
|
||||
|
||||
public static BitMask Invalid => new BitMask { IsUndefined = true };
|
||||
}
|
||||
|
||||
public static BitMask DecodeBitMask(int opCode, bool immediate)
|
||||
{
|
||||
int immS = (opCode >> 10) & 0x3f;
|
||||
int immR = (opCode >> 16) & 0x3f;
|
||||
|
||||
int n = (opCode >> 22) & 1;
|
||||
int sf = (opCode >> 31) & 1;
|
||||
|
||||
int length = BitUtils.HighestBitSet32((~immS & 0x3f) | (n << 6));
|
||||
|
||||
if (length < 1 || (sf == 0 && n != 0))
|
||||
{
|
||||
return BitMask.Invalid;
|
||||
}
|
||||
|
||||
int size = 1 << length;
|
||||
|
||||
int levels = size - 1;
|
||||
|
||||
int s = immS & levels;
|
||||
int r = immR & levels;
|
||||
|
||||
if (immediate && s == levels)
|
||||
{
|
||||
return BitMask.Invalid;
|
||||
}
|
||||
|
||||
long wMask = BitUtils.FillWithOnes(s + 1);
|
||||
long tMask = BitUtils.FillWithOnes(((s - r) & levels) + 1);
|
||||
|
||||
if (r > 0)
|
||||
{
|
||||
wMask = BitUtils.RotateRight(wMask, r, size);
|
||||
wMask &= BitUtils.FillWithOnes(size);
|
||||
}
|
||||
|
||||
return new BitMask()
|
||||
{
|
||||
WMask = BitUtils.Replicate(wMask, size),
|
||||
TMask = BitUtils.Replicate(tMask, size),
|
||||
|
||||
Pos = immS,
|
||||
Shift = immR
|
||||
};
|
||||
}
|
||||
|
||||
public static long DecodeImm8Float(long imm, int size)
|
||||
{
|
||||
int e = 0, f = 0;
|
||||
|
||||
switch (size)
|
||||
{
|
||||
case 0: e = 8; f = 23; break;
|
||||
case 1: e = 11; f = 52; break;
|
||||
|
||||
default: throw new ArgumentOutOfRangeException(nameof(size));
|
||||
}
|
||||
|
||||
long value = (imm & 0x3f) << f - 4;
|
||||
|
||||
long eBit = (imm >> 6) & 1;
|
||||
long sBit = (imm >> 7) & 1;
|
||||
|
||||
if (eBit != 0)
|
||||
{
|
||||
value |= (1L << e - 3) - 1 << f + 2;
|
||||
}
|
||||
|
||||
value |= (eBit ^ 1) << f + e - 1;
|
||||
value |= sBit << f + e;
|
||||
|
||||
return value;
|
||||
}
|
||||
|
||||
public static long DecodeImm24_2(int opCode)
|
||||
{
|
||||
return ((long)opCode << 40) >> 38;
|
||||
}
|
||||
|
||||
public static long DecodeImm26_2(int opCode)
|
||||
{
|
||||
return ((long)opCode << 38) >> 36;
|
||||
}
|
||||
|
||||
public static long DecodeImmS19_2(int opCode)
|
||||
{
|
||||
return (((long)opCode << 40) >> 43) & ~3;
|
||||
}
|
||||
|
||||
public static long DecodeImmS14_2(int opCode)
|
||||
{
|
||||
return (((long)opCode << 45) >> 48) & ~3;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,9 +0,0 @@
|
|||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
interface IOpCode32 : IOpCode64
|
||||
{
|
||||
Condition Cond { get; }
|
||||
|
||||
uint GetPc();
|
||||
}
|
||||
}
|
||||
|
|
@ -1,10 +0,0 @@
|
|||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
interface IOpCode32Alu : IOpCode32
|
||||
{
|
||||
int Rd { get; }
|
||||
int Rn { get; }
|
||||
|
||||
bool SetFlags { get; }
|
||||
}
|
||||
}
|
||||
|
|
@ -1,4 +0,0 @@
|
|||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
interface IOpCode32BImm : IOpCode32, IOpCodeBImm { }
|
||||
}
|
||||
|
|
@ -1,7 +0,0 @@
|
|||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
interface IOpCode32BReg : IOpCode32
|
||||
{
|
||||
int Rm { get; }
|
||||
}
|
||||
}
|
||||
|
|
@ -1,12 +0,0 @@
|
|||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
interface IOpCode32Mem : IOpCode32
|
||||
{
|
||||
int Rt { get; }
|
||||
int Rn { get; }
|
||||
|
||||
bool WBack { get; }
|
||||
|
||||
bool IsLoad { get; }
|
||||
}
|
||||
}
|
||||
|
|
@ -1,13 +0,0 @@
|
|||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
interface IOpCode32MemMult : IOpCode32
|
||||
{
|
||||
int Rn { get; }
|
||||
|
||||
int RegisterMask { get; }
|
||||
|
||||
int PostOffset { get; }
|
||||
|
||||
bool IsLoad { get; }
|
||||
}
|
||||
}
|
||||
|
|
@ -1,13 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
using ChocolArm64.State;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
interface IOpCode64
|
||||
{
|
||||
long Position { get; }
|
||||
|
||||
InstEmitter Emitter { get; }
|
||||
RegisterSize RegisterSize { get; }
|
||||
}
|
||||
}
|
||||
|
|
@ -1,10 +0,0 @@
|
|||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
interface IOpCodeAlu64 : IOpCode64
|
||||
{
|
||||
int Rd { get; }
|
||||
int Rn { get; }
|
||||
|
||||
DataOp DataOp { get; }
|
||||
}
|
||||
}
|
||||
|
|
@ -1,7 +0,0 @@
|
|||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
interface IOpCodeAluImm64 : IOpCodeAlu64
|
||||
{
|
||||
long Imm { get; }
|
||||
}
|
||||
}
|
||||
|
|
@ -1,10 +0,0 @@
|
|||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
interface IOpCodeAluRs64 : IOpCodeAlu64
|
||||
{
|
||||
int Shift { get; }
|
||||
int Rm { get; }
|
||||
|
||||
ShiftType ShiftType { get; }
|
||||
}
|
||||
}
|
||||
|
|
@ -1,10 +0,0 @@
|
|||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
interface IOpCodeAluRx64 : IOpCodeAlu64
|
||||
{
|
||||
int Shift { get; }
|
||||
int Rm { get; }
|
||||
|
||||
IntType IntType { get; }
|
||||
}
|
||||
}
|
||||
|
|
@ -1,7 +0,0 @@
|
|||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
interface IOpCodeBImm : IOpCode64
|
||||
{
|
||||
long Imm { get; }
|
||||
}
|
||||
}
|
||||
|
|
@ -1,7 +0,0 @@
|
|||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
interface IOpCodeCond64 : IOpCode64
|
||||
{
|
||||
Condition Cond { get; }
|
||||
}
|
||||
}
|
||||
|
|
@ -1,11 +0,0 @@
|
|||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
interface IOpCodeLit64 : IOpCode64
|
||||
{
|
||||
int Rt { get; }
|
||||
long Imm { get; }
|
||||
int Size { get; }
|
||||
bool Signed { get; }
|
||||
bool Prefetch { get; }
|
||||
}
|
||||
}
|
||||
|
|
@ -1,7 +0,0 @@
|
|||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
interface IOpCodeSimd64 : IOpCode64
|
||||
{
|
||||
int Size { get; }
|
||||
}
|
||||
}
|
||||
|
|
@ -1,14 +0,0 @@
|
|||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
enum IntType
|
||||
{
|
||||
UInt8 = 0,
|
||||
UInt16 = 1,
|
||||
UInt32 = 2,
|
||||
UInt64 = 3,
|
||||
Int8 = 4,
|
||||
Int16 = 5,
|
||||
Int32 = 6,
|
||||
Int64 = 7
|
||||
}
|
||||
}
|
||||
|
|
@ -1,24 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
using ChocolArm64.State;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCode32 : OpCode64
|
||||
{
|
||||
public Condition Cond { get; protected set; }
|
||||
|
||||
public OpCode32(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
RegisterSize = RegisterSize.Int32;
|
||||
|
||||
Cond = (Condition)((uint)opCode >> 28);
|
||||
}
|
||||
|
||||
public uint GetPc()
|
||||
{
|
||||
// Due to backwards compatibility and legacy behavior of ARMv4 CPUs pipeline,
|
||||
// the PC actually points 2 instructions ahead.
|
||||
return (uint)Position + (uint)OpCodeSizeInBytes * 2;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,20 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCode32Alu : OpCode32, IOpCode32Alu
|
||||
{
|
||||
public int Rd { get; private set; }
|
||||
public int Rn { get; private set; }
|
||||
|
||||
public bool SetFlags { get; private set; }
|
||||
|
||||
public OpCode32Alu(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Rd = (opCode >> 12) & 0xf;
|
||||
Rn = (opCode >> 16) & 0xf;
|
||||
|
||||
SetFlags = ((opCode >> 20) & 1) != 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,21 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCode32AluImm : OpCode32Alu
|
||||
{
|
||||
public int Imm { get; private set; }
|
||||
|
||||
public bool IsRotated { get; private set; }
|
||||
|
||||
public OpCode32AluImm(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
int value = (opCode >> 0) & 0xff;
|
||||
int shift = (opCode >> 8) & 0xf;
|
||||
|
||||
Imm = BitUtils.RotateRight(value, shift * 2, 32);
|
||||
|
||||
IsRotated = shift != 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,20 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCode32AluRsImm : OpCode32Alu
|
||||
{
|
||||
public int Rm { get; private set; }
|
||||
public int Imm { get; private set; }
|
||||
|
||||
public ShiftType ShiftType { get; private set; }
|
||||
|
||||
public OpCode32AluRsImm(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Rm = (opCode >> 0) & 0xf;
|
||||
Imm = (opCode >> 7) & 0x1f;
|
||||
|
||||
ShiftType = (ShiftType)((opCode >> 5) & 3);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,29 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCode32BImm : OpCode32, IOpCode32BImm
|
||||
{
|
||||
public long Imm { get; private set; }
|
||||
|
||||
public OpCode32BImm(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
uint pc = GetPc();
|
||||
|
||||
// When the condition is never, the instruction is BLX to Thumb mode.
|
||||
if (Cond != Condition.Nv)
|
||||
{
|
||||
pc &= ~3u;
|
||||
}
|
||||
|
||||
Imm = pc + DecoderHelper.DecodeImm24_2(opCode);
|
||||
|
||||
if (Cond == Condition.Nv)
|
||||
{
|
||||
long H = (opCode >> 23) & 2;
|
||||
|
||||
Imm |= H;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,14 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCode32BReg : OpCode32, IOpCode32BReg
|
||||
{
|
||||
public int Rm { get; private set; }
|
||||
|
||||
public OpCode32BReg(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Rm = opCode & 0xf;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,37 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCode32Mem : OpCode32, IOpCode32Mem
|
||||
{
|
||||
public int Rt { get; private set; }
|
||||
public int Rn { get; private set; }
|
||||
|
||||
public int Imm { get; protected set; }
|
||||
|
||||
public bool Index { get; private set; }
|
||||
public bool Add { get; private set; }
|
||||
public bool WBack { get; private set; }
|
||||
public bool Unprivileged { get; private set; }
|
||||
|
||||
public bool IsLoad { get; private set; }
|
||||
|
||||
public OpCode32Mem(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Rt = (opCode >> 12) & 0xf;
|
||||
Rn = (opCode >> 16) & 0xf;
|
||||
|
||||
bool isLoad = (opCode & (1 << 20)) != 0;
|
||||
bool w = (opCode & (1 << 21)) != 0;
|
||||
bool u = (opCode & (1 << 23)) != 0;
|
||||
bool p = (opCode & (1 << 24)) != 0;
|
||||
|
||||
Index = p;
|
||||
Add = u;
|
||||
WBack = !p || w;
|
||||
Unprivileged = !p && w;
|
||||
|
||||
IsLoad = isLoad || inst.Emitter == InstEmit32.Ldrd;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,12 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCode32MemImm : OpCode32Mem
|
||||
{
|
||||
public OpCode32MemImm(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Imm = opCode & 0xfff;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,15 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCode32MemImm8 : OpCode32Mem
|
||||
{
|
||||
public OpCode32MemImm8(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
int imm4L = (opCode >> 0) & 0xf;
|
||||
int imm4H = (opCode >> 8) & 0xf;
|
||||
|
||||
Imm = imm4L | (imm4H << 4);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,57 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCode32MemMult : OpCode32, IOpCode32MemMult
|
||||
{
|
||||
public int Rn { get; private set; }
|
||||
|
||||
public int RegisterMask { get; private set; }
|
||||
public int Offset { get; private set; }
|
||||
public int PostOffset { get; private set; }
|
||||
|
||||
public bool IsLoad { get; private set; }
|
||||
|
||||
public OpCode32MemMult(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Rn = (opCode >> 16) & 0xf;
|
||||
|
||||
bool isLoad = (opCode & (1 << 20)) != 0;
|
||||
bool w = (opCode & (1 << 21)) != 0;
|
||||
bool u = (opCode & (1 << 23)) != 0;
|
||||
bool p = (opCode & (1 << 24)) != 0;
|
||||
|
||||
RegisterMask = opCode & 0xffff;
|
||||
|
||||
int regsSize = 0;
|
||||
|
||||
for (int index = 0; index < 16; index++)
|
||||
{
|
||||
regsSize += (RegisterMask >> index) & 1;
|
||||
}
|
||||
|
||||
regsSize *= 4;
|
||||
|
||||
if (!u)
|
||||
{
|
||||
Offset -= regsSize;
|
||||
}
|
||||
|
||||
if (u == p)
|
||||
{
|
||||
Offset += 4;
|
||||
}
|
||||
|
||||
if (w)
|
||||
{
|
||||
PostOffset = u ? regsSize : -regsSize;
|
||||
}
|
||||
else
|
||||
{
|
||||
PostOffset = 0;
|
||||
}
|
||||
|
||||
IsLoad = isLoad;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,40 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
using ChocolArm64.State;
|
||||
using System;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCode64 : IOpCode64
|
||||
{
|
||||
public long Position { get; private set; }
|
||||
public int RawOpCode { get; private set; }
|
||||
|
||||
public int OpCodeSizeInBytes { get; protected set; } = 4;
|
||||
|
||||
public InstEmitter Emitter { get; protected set; }
|
||||
public RegisterSize RegisterSize { get; protected set; }
|
||||
|
||||
public OpCode64(Inst inst, long position, int opCode)
|
||||
{
|
||||
Position = position;
|
||||
RawOpCode = opCode;
|
||||
|
||||
RegisterSize = RegisterSize.Int64;
|
||||
|
||||
Emitter = inst.Emitter;
|
||||
}
|
||||
|
||||
public int GetBitsCount()
|
||||
{
|
||||
switch (RegisterSize)
|
||||
{
|
||||
case RegisterSize.Int32: return 32;
|
||||
case RegisterSize.Int64: return 64;
|
||||
case RegisterSize.Simd64: return 64;
|
||||
case RegisterSize.Simd128: return 128;
|
||||
}
|
||||
|
||||
throw new InvalidOperationException();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,18 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeAdr64 : OpCode64
|
||||
{
|
||||
public int Rd { get; private set; }
|
||||
public long Imm { get; private set; }
|
||||
|
||||
public OpCodeAdr64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Rd = opCode & 0x1f;
|
||||
|
||||
Imm = DecoderHelper.DecodeImmS19_2(opCode);
|
||||
Imm |= ((long)opCode >> 29) & 3;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,23 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeAlu64 : OpCode64, IOpCodeAlu64
|
||||
{
|
||||
public int Rd { get; protected set; }
|
||||
public int Rn { get; private set; }
|
||||
|
||||
public DataOp DataOp { get; private set; }
|
||||
|
||||
public OpCodeAlu64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Rd = (opCode >> 0) & 0x1f;
|
||||
Rn = (opCode >> 5) & 0x1f;
|
||||
DataOp = (DataOp)((opCode >> 24) & 0x3);
|
||||
|
||||
RegisterSize = (opCode >> 31) != 0
|
||||
? State.RegisterSize.Int64
|
||||
: State.RegisterSize.Int32;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,39 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
using System;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeAluImm64 : OpCodeAlu64, IOpCodeAluImm64
|
||||
{
|
||||
public long Imm { get; private set; }
|
||||
|
||||
public OpCodeAluImm64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
if (DataOp == DataOp.Arithmetic)
|
||||
{
|
||||
Imm = (opCode >> 10) & 0xfff;
|
||||
|
||||
int shift = (opCode >> 22) & 3;
|
||||
|
||||
Imm <<= shift * 12;
|
||||
}
|
||||
else if (DataOp == DataOp.Logical)
|
||||
{
|
||||
var bm = DecoderHelper.DecodeBitMask(opCode, true);
|
||||
|
||||
if (bm.IsUndefined)
|
||||
{
|
||||
Emitter = InstEmit.Und;
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
Imm = bm.WMask;
|
||||
}
|
||||
else
|
||||
{
|
||||
throw new ArgumentException(nameof(opCode));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,29 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeAluRs64 : OpCodeAlu64, IOpCodeAluRs64
|
||||
{
|
||||
public int Shift { get; private set; }
|
||||
public int Rm { get; private set; }
|
||||
|
||||
public ShiftType ShiftType { get; private set; }
|
||||
|
||||
public OpCodeAluRs64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
int shift = (opCode >> 10) & 0x3f;
|
||||
|
||||
if (shift >= GetBitsCount())
|
||||
{
|
||||
Emitter = InstEmit.Und;
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
Shift = shift;
|
||||
|
||||
Rm = (opCode >> 16) & 0x1f;
|
||||
ShiftType = (ShiftType)((opCode >> 22) & 0x3);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,19 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeAluRx64 : OpCodeAlu64, IOpCodeAluRx64
|
||||
{
|
||||
public int Shift { get; private set; }
|
||||
public int Rm { get; private set; }
|
||||
|
||||
public IntType IntType { get; private set; }
|
||||
|
||||
public OpCodeAluRx64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Shift = (opCode >> 10) & 0x7;
|
||||
IntType = (IntType)((opCode >> 13) & 0x7);
|
||||
Rm = (opCode >> 16) & 0x1f;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,11 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeBImm64 : OpCode64, IOpCodeBImm
|
||||
{
|
||||
public long Imm { get; protected set; }
|
||||
|
||||
public OpCodeBImm64(Inst inst, long position, int opCode) : base(inst, position, opCode) { }
|
||||
}
|
||||
}
|
||||
|
|
@ -1,12 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeBImmAl64 : OpCodeBImm64
|
||||
{
|
||||
public OpCodeBImmAl64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Imm = position + DecoderHelper.DecodeImm26_2(opCode);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,20 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeBImmCmp64 : OpCodeBImm64
|
||||
{
|
||||
public int Rt { get; private set; }
|
||||
|
||||
public OpCodeBImmCmp64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Rt = opCode & 0x1f;
|
||||
|
||||
Imm = position + DecoderHelper.DecodeImmS19_2(opCode);
|
||||
|
||||
RegisterSize = (opCode >> 31) != 0
|
||||
? State.RegisterSize.Int64
|
||||
: State.RegisterSize.Int32;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,25 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeBImmCond64 : OpCodeBImm64, IOpCodeCond64
|
||||
{
|
||||
public Condition Cond { get; private set; }
|
||||
|
||||
public OpCodeBImmCond64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
int o0 = (opCode >> 4) & 1;
|
||||
|
||||
if (o0 != 0)
|
||||
{
|
||||
Emitter = InstEmit.Und;
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
Cond = (Condition)(opCode & 0xf);
|
||||
|
||||
Imm = position + DecoderHelper.DecodeImmS19_2(opCode);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,20 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeBImmTest64 : OpCodeBImm64
|
||||
{
|
||||
public int Rt { get; private set; }
|
||||
public int Pos { get; private set; }
|
||||
|
||||
public OpCodeBImmTest64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Rt = opCode & 0x1f;
|
||||
|
||||
Imm = position + DecoderHelper.DecodeImmS14_2(opCode);
|
||||
|
||||
Pos = (opCode >> 19) & 0x1f;
|
||||
Pos |= (opCode >> 26) & 0x20;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,24 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeBReg64 : OpCode64
|
||||
{
|
||||
public int Rn { get; private set; }
|
||||
|
||||
public OpCodeBReg64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
int op4 = (opCode >> 0) & 0x1f;
|
||||
int op2 = (opCode >> 16) & 0x1f;
|
||||
|
||||
if (op2 != 0b11111 || op4 != 0b00000)
|
||||
{
|
||||
Emitter = InstEmit.Und;
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
Rn = (opCode >> 5) & 0x1f;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,29 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeBfm64 : OpCodeAlu64
|
||||
{
|
||||
public long WMask { get; private set; }
|
||||
public long TMask { get; private set; }
|
||||
public int Pos { get; private set; }
|
||||
public int Shift { get; private set; }
|
||||
|
||||
public OpCodeBfm64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
var bm = DecoderHelper.DecodeBitMask(opCode, false);
|
||||
|
||||
if (bm.IsUndefined)
|
||||
{
|
||||
Emitter = InstEmit.Und;
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
WMask = bm.WMask;
|
||||
TMask = bm.TMask;
|
||||
Pos = bm.Pos;
|
||||
Shift = bm.Shift;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,31 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
using ChocolArm64.State;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeCcmp64 : OpCodeAlu64, IOpCodeCond64
|
||||
{
|
||||
public int Nzcv { get; private set; }
|
||||
protected int RmImm;
|
||||
|
||||
public Condition Cond { get; private set; }
|
||||
|
||||
public OpCodeCcmp64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
int o3 = (opCode >> 4) & 1;
|
||||
|
||||
if (o3 != 0)
|
||||
{
|
||||
Emitter = InstEmit.Und;
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
Nzcv = (opCode >> 0) & 0xf;
|
||||
Cond = (Condition)((opCode >> 12) & 0xf);
|
||||
RmImm = (opCode >> 16) & 0x1f;
|
||||
|
||||
Rd = RegisterAlias.Zr;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,11 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeCcmpImm64 : OpCodeCcmp64, IOpCodeAluImm64
|
||||
{
|
||||
public long Imm => RmImm;
|
||||
|
||||
public OpCodeCcmpImm64(Inst inst, long position, int opCode) : base(inst, position, opCode) { }
|
||||
}
|
||||
}
|
||||
|
|
@ -1,15 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeCcmpReg64 : OpCodeCcmp64, IOpCodeAluRs64
|
||||
{
|
||||
public int Rm => RmImm;
|
||||
|
||||
public int Shift => 0;
|
||||
|
||||
public ShiftType ShiftType => ShiftType.Lsl;
|
||||
|
||||
public OpCodeCcmpReg64(Inst inst, long position, int opCode) : base(inst, position, opCode) { }
|
||||
}
|
||||
}
|
||||
|
|
@ -1,17 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeCsel64 : OpCodeAlu64, IOpCodeCond64
|
||||
{
|
||||
public int Rm { get; private set; }
|
||||
|
||||
public Condition Cond { get; private set; }
|
||||
|
||||
public OpCodeCsel64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Rm = (opCode >> 16) & 0x1f;
|
||||
Cond = (Condition)((opCode >> 12) & 0xf);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,14 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeException64 : OpCode64
|
||||
{
|
||||
public int Id { get; private set; }
|
||||
|
||||
public OpCodeException64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Id = (opCode >> 5) & 0xffff;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,19 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeMem64 : OpCode64
|
||||
{
|
||||
public int Rt { get; protected set; }
|
||||
public int Rn { get; protected set; }
|
||||
public int Size { get; protected set; }
|
||||
public bool Extend64 { get; protected set; }
|
||||
|
||||
public OpCodeMem64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Rt = (opCode >> 0) & 0x1f;
|
||||
Rn = (opCode >> 5) & 0x1f;
|
||||
Size = (opCode >> 30) & 0x3;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,16 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeMemEx64 : OpCodeMem64
|
||||
{
|
||||
public int Rt2 { get; private set; }
|
||||
public int Rs { get; private set; }
|
||||
|
||||
public OpCodeMemEx64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Rt2 = (opCode >> 10) & 0x1f;
|
||||
Rs = (opCode >> 16) & 0x1f;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,53 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeMemImm64 : OpCodeMem64
|
||||
{
|
||||
public long Imm { get; protected set; }
|
||||
public bool WBack { get; protected set; }
|
||||
public bool PostIdx { get; protected set; }
|
||||
protected bool Unscaled { get; private set; }
|
||||
|
||||
private enum MemOp
|
||||
{
|
||||
Unscaled = 0,
|
||||
PostIndexed = 1,
|
||||
Unprivileged = 2,
|
||||
PreIndexed = 3,
|
||||
Unsigned
|
||||
}
|
||||
|
||||
public OpCodeMemImm64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Extend64 = ((opCode >> 22) & 3) == 2;
|
||||
WBack = ((opCode >> 24) & 1) == 0;
|
||||
|
||||
// The type is not valid for the Unsigned Immediate 12-bits encoding,
|
||||
// because the bits 11:10 are used for the larger Immediate offset.
|
||||
MemOp type = WBack ? (MemOp)((opCode >> 10) & 3) : MemOp.Unsigned;
|
||||
|
||||
PostIdx = type == MemOp.PostIndexed;
|
||||
Unscaled = type == MemOp.Unscaled ||
|
||||
type == MemOp.Unprivileged;
|
||||
|
||||
// Unscaled and Unprivileged doesn't write back,
|
||||
// but they do use the 9-bits Signed Immediate.
|
||||
if (Unscaled)
|
||||
{
|
||||
WBack = false;
|
||||
}
|
||||
|
||||
if (WBack || Unscaled)
|
||||
{
|
||||
// 9-bits Signed Immediate.
|
||||
Imm = (opCode << 11) >> 23;
|
||||
}
|
||||
else
|
||||
{
|
||||
// 12-bits Unsigned Immediate.
|
||||
Imm = ((opCode >> 10) & 0xfff) << Size;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,28 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeMemLit64 : OpCode64, IOpCodeLit64
|
||||
{
|
||||
public int Rt { get; private set; }
|
||||
public long Imm { get; private set; }
|
||||
public int Size { get; private set; }
|
||||
public bool Signed { get; private set; }
|
||||
public bool Prefetch { get; private set; }
|
||||
|
||||
public OpCodeMemLit64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Rt = opCode & 0x1f;
|
||||
|
||||
Imm = position + DecoderHelper.DecodeImmS19_2(opCode);
|
||||
|
||||
switch ((opCode >> 30) & 3)
|
||||
{
|
||||
case 0: Size = 2; Signed = false; Prefetch = false; break;
|
||||
case 1: Size = 3; Signed = false; Prefetch = false; break;
|
||||
case 2: Size = 2; Signed = true; Prefetch = false; break;
|
||||
case 3: Size = 0; Signed = false; Prefetch = true; break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,25 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeMemPair64 : OpCodeMemImm64
|
||||
{
|
||||
public int Rt2 { get; private set; }
|
||||
|
||||
public OpCodeMemPair64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Rt2 = (opCode >> 10) & 0x1f;
|
||||
WBack = ((opCode >> 23) & 0x1) != 0;
|
||||
PostIdx = ((opCode >> 23) & 0x3) == 1;
|
||||
Extend64 = ((opCode >> 30) & 0x3) == 1;
|
||||
Size = ((opCode >> 31) & 0x1) | 2;
|
||||
|
||||
DecodeImm(opCode);
|
||||
}
|
||||
|
||||
protected void DecodeImm(int opCode)
|
||||
{
|
||||
Imm = ((long)(opCode >> 15) << 57) >> (57 - Size);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,20 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeMemReg64 : OpCodeMem64
|
||||
{
|
||||
public bool Shift { get; private set; }
|
||||
public int Rm { get; private set; }
|
||||
|
||||
public IntType IntType { get; private set; }
|
||||
|
||||
public OpCodeMemReg64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Shift = ((opCode >> 12) & 0x1) != 0;
|
||||
IntType = (IntType)((opCode >> 13) & 0x7);
|
||||
Rm = (opCode >> 16) & 0x1f;
|
||||
Extend64 = ((opCode >> 22) & 0x3) == 2;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,35 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeMov64 : OpCode64
|
||||
{
|
||||
public int Rd { get; private set; }
|
||||
public long Imm { get; private set; }
|
||||
public int Pos { get; private set; }
|
||||
|
||||
public OpCodeMov64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
int p1 = (opCode >> 22) & 1;
|
||||
int sf = (opCode >> 31) & 1;
|
||||
|
||||
if (sf == 0 && p1 != 0)
|
||||
{
|
||||
Emitter = InstEmit.Und;
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
Rd = (opCode >> 0) & 0x1f;
|
||||
Imm = (opCode >> 5) & 0xffff;
|
||||
Pos = (opCode >> 21) & 0x3;
|
||||
|
||||
Pos <<= 4;
|
||||
Imm <<= Pos;
|
||||
|
||||
RegisterSize = (opCode >> 31) != 0
|
||||
? State.RegisterSize.Int64
|
||||
: State.RegisterSize.Int32;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,16 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeMul64 : OpCodeAlu64
|
||||
{
|
||||
public int Rm { get; private set; }
|
||||
public int Ra { get; private set; }
|
||||
|
||||
public OpCodeMul64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Ra = (opCode >> 10) & 0x1f;
|
||||
Rm = (opCode >> 16) & 0x1f;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,25 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
using ChocolArm64.State;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeSimd64 : OpCode64, IOpCodeSimd64
|
||||
{
|
||||
public int Rd { get; private set; }
|
||||
public int Rn { get; private set; }
|
||||
public int Opc { get; private set; }
|
||||
public int Size { get; protected set; }
|
||||
|
||||
public OpCodeSimd64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Rd = (opCode >> 0) & 0x1f;
|
||||
Rn = (opCode >> 5) & 0x1f;
|
||||
Opc = (opCode >> 15) & 0x3;
|
||||
Size = (opCode >> 22) & 0x3;
|
||||
|
||||
RegisterSize = ((opCode >> 30) & 1) != 0
|
||||
? RegisterSize.Simd128
|
||||
: RegisterSize.Simd64;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,21 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeSimdCvt64 : OpCodeSimd64
|
||||
{
|
||||
public int FBits { get; private set; }
|
||||
|
||||
public OpCodeSimdCvt64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
int scale = (opCode >> 10) & 0x3f;
|
||||
int sf = (opCode >> 31) & 0x1;
|
||||
|
||||
FBits = 64 - scale;
|
||||
|
||||
RegisterSize = sf != 0
|
||||
? State.RegisterSize.Int64
|
||||
: State.RegisterSize.Int32;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,14 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeSimdExt64 : OpCodeSimdReg64
|
||||
{
|
||||
public int Imm4 { get; private set; }
|
||||
|
||||
public OpCodeSimdExt64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Imm4 = (opCode >> 11) & 0xf;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,17 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeSimdFcond64 : OpCodeSimdReg64, IOpCodeCond64
|
||||
{
|
||||
public int Nzcv { get; private set; }
|
||||
|
||||
public Condition Cond { get; private set; }
|
||||
|
||||
public OpCodeSimdFcond64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Nzcv = (opCode >> 0) & 0xf;
|
||||
Cond = (Condition)((opCode >> 12) & 0xf);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,33 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeSimdFmov64 : OpCode64, IOpCodeSimd64
|
||||
{
|
||||
public int Rd { get; private set; }
|
||||
public long Imm { get; private set; }
|
||||
public int Size { get; private set; }
|
||||
|
||||
public OpCodeSimdFmov64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
int imm5 = (opCode >> 5) & 0x1f;
|
||||
int type = (opCode >> 22) & 0x3;
|
||||
|
||||
if (imm5 != 0b00000 || type > 1)
|
||||
{
|
||||
Emitter = InstEmit.Und;
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
Size = type;
|
||||
|
||||
long imm;
|
||||
|
||||
Rd = (opCode >> 0) & 0x1f;
|
||||
imm = (opCode >> 13) & 0xff;
|
||||
|
||||
Imm = DecoderHelper.DecodeImm8Float(imm, type);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,100 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeSimdImm64 : OpCode64, IOpCodeSimd64
|
||||
{
|
||||
public int Rd { get; private set; }
|
||||
public long Imm { get; private set; }
|
||||
public int Size { get; private set; }
|
||||
|
||||
public OpCodeSimdImm64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Rd = opCode & 0x1f;
|
||||
|
||||
int cMode = (opCode >> 12) & 0xf;
|
||||
int op = (opCode >> 29) & 0x1;
|
||||
|
||||
int modeLow = cMode & 1;
|
||||
int modeHigh = cMode >> 1;
|
||||
|
||||
long imm;
|
||||
|
||||
imm = ((uint)opCode >> 5) & 0x1f;
|
||||
imm |= ((uint)opCode >> 11) & 0xe0;
|
||||
|
||||
if (modeHigh == 0b111)
|
||||
{
|
||||
Size = modeLow != 0 ? op : 3;
|
||||
|
||||
switch (op | (modeLow << 1))
|
||||
{
|
||||
case 0:
|
||||
// 64-bits Immediate.
|
||||
// Transform abcd efgh into abcd efgh abcd efgh ...
|
||||
imm = (long)((ulong)imm * 0x0101010101010101);
|
||||
break;
|
||||
|
||||
case 1:
|
||||
// 64-bits Immediate.
|
||||
// Transform abcd efgh into aaaa aaaa bbbb bbbb ...
|
||||
imm = (imm & 0xf0) >> 4 | (imm & 0x0f) << 4;
|
||||
imm = (imm & 0xcc) >> 2 | (imm & 0x33) << 2;
|
||||
imm = (imm & 0xaa) >> 1 | (imm & 0x55) << 1;
|
||||
|
||||
imm = (long)((ulong)imm * 0x8040201008040201);
|
||||
imm = (long)((ulong)imm & 0x8080808080808080);
|
||||
|
||||
imm |= imm >> 4;
|
||||
imm |= imm >> 2;
|
||||
imm |= imm >> 1;
|
||||
break;
|
||||
|
||||
case 2:
|
||||
case 3:
|
||||
// Floating point Immediate.
|
||||
imm = DecoderHelper.DecodeImm8Float(imm, Size);
|
||||
break;
|
||||
}
|
||||
}
|
||||
else if ((modeHigh & 0b110) == 0b100)
|
||||
{
|
||||
// 16-bits shifted Immediate.
|
||||
Size = 1; imm <<= (modeHigh & 1) << 3;
|
||||
}
|
||||
else if ((modeHigh & 0b100) == 0b000)
|
||||
{
|
||||
// 32-bits shifted Immediate.
|
||||
Size = 2; imm <<= modeHigh << 3;
|
||||
}
|
||||
else if ((modeHigh & 0b111) == 0b110)
|
||||
{
|
||||
// 32-bits shifted Immediate (fill with ones).
|
||||
Size = 2; imm = ShlOnes(imm, 8 << modeLow);
|
||||
}
|
||||
else
|
||||
{
|
||||
// 8 bits without shift.
|
||||
Size = 0;
|
||||
}
|
||||
|
||||
Imm = imm;
|
||||
|
||||
RegisterSize = ((opCode >> 30) & 1) != 0
|
||||
? State.RegisterSize.Simd128
|
||||
: State.RegisterSize.Simd64;
|
||||
}
|
||||
|
||||
private static long ShlOnes(long value, int shift)
|
||||
{
|
||||
if (shift != 0)
|
||||
{
|
||||
return value << shift | (long)(ulong.MaxValue >> (64 - shift));
|
||||
}
|
||||
else
|
||||
{
|
||||
return value;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,36 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeSimdIns64 : OpCodeSimd64
|
||||
{
|
||||
public int SrcIndex { get; private set; }
|
||||
public int DstIndex { get; private set; }
|
||||
|
||||
public OpCodeSimdIns64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
int imm4 = (opCode >> 11) & 0xf;
|
||||
int imm5 = (opCode >> 16) & 0x1f;
|
||||
|
||||
if (imm5 == 0b10000)
|
||||
{
|
||||
Emitter = InstEmit.Und;
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
Size = imm5 & -imm5;
|
||||
|
||||
switch (Size)
|
||||
{
|
||||
case 1: Size = 0; break;
|
||||
case 2: Size = 1; break;
|
||||
case 4: Size = 2; break;
|
||||
case 8: Size = 3; break;
|
||||
}
|
||||
|
||||
SrcIndex = imm4 >> Size;
|
||||
DstIndex = imm5 >> (Size + 1);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,19 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeSimdMemImm64 : OpCodeMemImm64, IOpCodeSimd64
|
||||
{
|
||||
public OpCodeSimdMemImm64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Size |= (opCode >> 21) & 4;
|
||||
|
||||
if (!WBack && !Unscaled && Size >= 4)
|
||||
{
|
||||
Imm <<= 4;
|
||||
}
|
||||
|
||||
Extend64 = false;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,31 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeSimdMemLit64 : OpCode64, IOpCodeSimd64, IOpCodeLit64
|
||||
{
|
||||
public int Rt { get; private set; }
|
||||
public long Imm { get; private set; }
|
||||
public int Size { get; private set; }
|
||||
public bool Signed => false;
|
||||
public bool Prefetch => false;
|
||||
|
||||
public OpCodeSimdMemLit64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
int opc = (opCode >> 30) & 3;
|
||||
|
||||
if (opc == 3)
|
||||
{
|
||||
Emitter = InstEmit.Und;
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
Rt = opCode & 0x1f;
|
||||
|
||||
Imm = position + DecoderHelper.DecodeImmS19_2(opCode);
|
||||
|
||||
Size = opc + 2;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,48 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeSimdMemMs64 : OpCodeMemReg64, IOpCodeSimd64
|
||||
{
|
||||
public int Reps { get; private set; }
|
||||
public int SElems { get; private set; }
|
||||
public int Elems { get; private set; }
|
||||
public bool WBack { get; private set; }
|
||||
|
||||
public OpCodeSimdMemMs64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
switch ((opCode >> 12) & 0xf)
|
||||
{
|
||||
case 0b0000: Reps = 1; SElems = 4; break;
|
||||
case 0b0010: Reps = 4; SElems = 1; break;
|
||||
case 0b0100: Reps = 1; SElems = 3; break;
|
||||
case 0b0110: Reps = 3; SElems = 1; break;
|
||||
case 0b0111: Reps = 1; SElems = 1; break;
|
||||
case 0b1000: Reps = 1; SElems = 2; break;
|
||||
case 0b1010: Reps = 2; SElems = 1; break;
|
||||
|
||||
default: inst = Inst.Undefined; return;
|
||||
}
|
||||
|
||||
Size = (opCode >> 10) & 3;
|
||||
WBack = ((opCode >> 23) & 1) != 0;
|
||||
|
||||
bool q = ((opCode >> 30) & 1) != 0;
|
||||
|
||||
if (!q && Size == 3 && SElems != 1)
|
||||
{
|
||||
inst = Inst.Undefined;
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
Extend64 = false;
|
||||
|
||||
RegisterSize = q
|
||||
? State.RegisterSize.Simd128
|
||||
: State.RegisterSize.Simd64;
|
||||
|
||||
Elems = (GetBitsCount() >> 3) >> Size;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,16 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeSimdMemPair64 : OpCodeMemPair64, IOpCodeSimd64
|
||||
{
|
||||
public OpCodeSimdMemPair64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Size = ((opCode >> 30) & 3) + 2;
|
||||
|
||||
Extend64 = false;
|
||||
|
||||
DecodeImm(opCode);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,14 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeSimdMemReg64 : OpCodeMemReg64, IOpCodeSimd64
|
||||
{
|
||||
public OpCodeSimdMemReg64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Size |= (opCode >> 21) & 4;
|
||||
|
||||
Extend64 = false;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,97 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeSimdMemSs64 : OpCodeMemReg64, IOpCodeSimd64
|
||||
{
|
||||
public int SElems { get; private set; }
|
||||
public int Index { get; private set; }
|
||||
public bool Replicate { get; private set; }
|
||||
public bool WBack { get; private set; }
|
||||
|
||||
public OpCodeSimdMemSs64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
int size = (opCode >> 10) & 3;
|
||||
int s = (opCode >> 12) & 1;
|
||||
int sElems = (opCode >> 12) & 2;
|
||||
int scale = (opCode >> 14) & 3;
|
||||
int l = (opCode >> 22) & 1;
|
||||
int q = (opCode >> 30) & 1;
|
||||
|
||||
sElems |= (opCode >> 21) & 1;
|
||||
|
||||
sElems++;
|
||||
|
||||
int index = (q << 3) | (s << 2) | size;
|
||||
|
||||
switch (scale)
|
||||
{
|
||||
case 1:
|
||||
{
|
||||
if ((size & 1) != 0)
|
||||
{
|
||||
inst = Inst.Undefined;
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
index >>= 1;
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case 2:
|
||||
{
|
||||
if ((size & 2) != 0 ||
|
||||
((size & 1) != 0 && s != 0))
|
||||
{
|
||||
inst = Inst.Undefined;
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
if ((size & 1) != 0)
|
||||
{
|
||||
index >>= 3;
|
||||
|
||||
scale = 3;
|
||||
}
|
||||
else
|
||||
{
|
||||
index >>= 2;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case 3:
|
||||
{
|
||||
if (l == 0 || s != 0)
|
||||
{
|
||||
inst = Inst.Undefined;
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
scale = size;
|
||||
|
||||
Replicate = true;
|
||||
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
Index = index;
|
||||
SElems = sElems;
|
||||
Size = scale;
|
||||
|
||||
Extend64 = false;
|
||||
|
||||
WBack = ((opCode >> 23) & 1) != 0;
|
||||
|
||||
RegisterSize = q != 0
|
||||
? State.RegisterSize.Simd128
|
||||
: State.RegisterSize.Simd64;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,18 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeSimdReg64 : OpCodeSimd64
|
||||
{
|
||||
public bool Bit3 { get; private set; }
|
||||
public int Ra { get; private set; }
|
||||
public int Rm { get; protected set; }
|
||||
|
||||
public OpCodeSimdReg64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Bit3 = ((opCode >> 3) & 0x1) != 0;
|
||||
Ra = (opCode >> 10) & 0x1f;
|
||||
Rm = (opCode >> 16) & 0x1f;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,31 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeSimdRegElem64 : OpCodeSimdReg64
|
||||
{
|
||||
public int Index { get; private set; }
|
||||
|
||||
public OpCodeSimdRegElem64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
switch (Size)
|
||||
{
|
||||
case 1:
|
||||
Index = (opCode >> 20) & 3 |
|
||||
(opCode >> 9) & 4;
|
||||
|
||||
Rm &= 0xf;
|
||||
|
||||
break;
|
||||
|
||||
case 2:
|
||||
Index = (opCode >> 21) & 1 |
|
||||
(opCode >> 10) & 2;
|
||||
|
||||
break;
|
||||
|
||||
default: Emitter = InstEmit.Und; return;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,33 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeSimdRegElemF64 : OpCodeSimdReg64
|
||||
{
|
||||
public int Index { get; private set; }
|
||||
|
||||
public OpCodeSimdRegElemF64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
switch ((opCode >> 21) & 3) // sz:L
|
||||
{
|
||||
case 0: // H:0
|
||||
Index = (opCode >> 10) & 2; // 0, 2
|
||||
|
||||
break;
|
||||
|
||||
case 1: // H:1
|
||||
Index = (opCode >> 10) & 2;
|
||||
Index++; // 1, 3
|
||||
|
||||
break;
|
||||
|
||||
case 2: // H
|
||||
Index = (opCode >> 11) & 1; // 0, 1
|
||||
|
||||
break;
|
||||
|
||||
default: Emitter = InstEmit.Und; return;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,16 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeSimdShImm64 : OpCodeSimd64
|
||||
{
|
||||
public int Imm { get; private set; }
|
||||
|
||||
public OpCodeSimdShImm64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Imm = (opCode >> 16) & 0x7f;
|
||||
|
||||
Size = BitUtils.HighestBitSetNibble(Imm >> 3);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,12 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeSimdTbl64 : OpCodeSimdReg64
|
||||
{
|
||||
public OpCodeSimdTbl64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Size = ((opCode >> 13) & 3) + 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,24 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeSystem64 : OpCode64
|
||||
{
|
||||
public int Rt { get; private set; }
|
||||
public int Op2 { get; private set; }
|
||||
public int CRm { get; private set; }
|
||||
public int CRn { get; private set; }
|
||||
public int Op1 { get; private set; }
|
||||
public int Op0 { get; private set; }
|
||||
|
||||
public OpCodeSystem64(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Rt = (opCode >> 0) & 0x1f;
|
||||
Op2 = (opCode >> 5) & 0x7;
|
||||
CRm = (opCode >> 8) & 0xf;
|
||||
CRn = (opCode >> 12) & 0xf;
|
||||
Op1 = (opCode >> 16) & 0x7;
|
||||
Op0 = ((opCode >> 19) & 0x1) | 2;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,14 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeT16 : OpCode32
|
||||
{
|
||||
public OpCodeT16(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Cond = Condition.Al;
|
||||
|
||||
OpCodeSizeInBytes = 2;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,22 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeT16AluImm8 : OpCodeT16, IOpCode32Alu
|
||||
{
|
||||
private int _rdn;
|
||||
|
||||
public int Rd => _rdn;
|
||||
public int Rn => _rdn;
|
||||
|
||||
public bool SetFlags => false;
|
||||
|
||||
public int Imm { get; private set; }
|
||||
|
||||
public OpCodeT16AluImm8(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Imm = (opCode >> 0) & 0xff;
|
||||
_rdn = (opCode >> 8) & 0x7;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,14 +0,0 @@
|
|||
using ChocolArm64.Instructions;
|
||||
|
||||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
class OpCodeT16BReg : OpCodeT16, IOpCode32BReg
|
||||
{
|
||||
public int Rm { get; private set; }
|
||||
|
||||
public OpCodeT16BReg(Inst inst, long position, int opCode) : base(inst, position, opCode)
|
||||
{
|
||||
Rm = (opCode >> 3) & 0xf;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,10 +0,0 @@
|
|||
namespace ChocolArm64.Decoders
|
||||
{
|
||||
enum ShiftType
|
||||
{
|
||||
Lsl = 0,
|
||||
Lsr = 1,
|
||||
Asr = 2,
|
||||
Ror = 3
|
||||
}
|
||||
}
|
||||
|
|
@ -1,14 +0,0 @@
|
|||
using System;
|
||||
|
||||
namespace ChocolArm64.Events
|
||||
{
|
||||
public class CpuTraceEventArgs : EventArgs
|
||||
{
|
||||
public long Position { get; private set; }
|
||||
|
||||
public CpuTraceEventArgs(long position)
|
||||
{
|
||||
Position = position;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,16 +0,0 @@
|
|||
using System;
|
||||
|
||||
namespace ChocolArm64.Events
|
||||
{
|
||||
public class InstExceptionEventArgs : EventArgs
|
||||
{
|
||||
public long Position { get; private set; }
|
||||
public int Id { get; private set; }
|
||||
|
||||
public InstExceptionEventArgs(long position, int id)
|
||||
{
|
||||
Position = position;
|
||||
Id = id;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,16 +0,0 @@
|
|||
using System;
|
||||
|
||||
namespace ChocolArm64.Events
|
||||
{
|
||||
public class InstUndefinedEventArgs : EventArgs
|
||||
{
|
||||
public long Position { get; private set; }
|
||||
public int RawOpCode { get; private set; }
|
||||
|
||||
public InstUndefinedEventArgs(long position, int rawOpCode)
|
||||
{
|
||||
Position = position;
|
||||
RawOpCode = rawOpCode;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,331 +0,0 @@
|
|||
// https://www.intel.com/content/dam/doc/white-paper/advanced-encryption-standard-new-instructions-set-paper.pdf
|
||||
|
||||
using System;
|
||||
using System.Runtime.Intrinsics;
|
||||
using System.Runtime.Intrinsics.X86;
|
||||
|
||||
namespace ChocolArm64.Instructions
|
||||
{
|
||||
static class CryptoHelper
|
||||
{
|
||||
#region "LookUp Tables"
|
||||
private static readonly byte[] _sBox = new byte[]
|
||||
{
|
||||
0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
|
||||
0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
|
||||
0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,
|
||||
0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,
|
||||
0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,
|
||||
0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
|
||||
0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,
|
||||
0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,
|
||||
0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
|
||||
0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,
|
||||
0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
|
||||
0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
|
||||
0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
|
||||
0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,
|
||||
0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
|
||||
0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
|
||||
};
|
||||
|
||||
private static readonly byte[] _invSBox = new byte[]
|
||||
{
|
||||
0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb,
|
||||
0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb,
|
||||
0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e,
|
||||
0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25,
|
||||
0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92,
|
||||
0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84,
|
||||
0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06,
|
||||
0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b,
|
||||
0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73,
|
||||
0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e,
|
||||
0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b,
|
||||
0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4,
|
||||
0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f,
|
||||
0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef,
|
||||
0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61,
|
||||
0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d
|
||||
};
|
||||
|
||||
private static readonly byte[] _gfMul02 = new byte[]
|
||||
{
|
||||
0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e, 0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e,
|
||||
0x20, 0x22, 0x24, 0x26, 0x28, 0x2a, 0x2c, 0x2e, 0x30, 0x32, 0x34, 0x36, 0x38, 0x3a, 0x3c, 0x3e,
|
||||
0x40, 0x42, 0x44, 0x46, 0x48, 0x4a, 0x4c, 0x4e, 0x50, 0x52, 0x54, 0x56, 0x58, 0x5a, 0x5c, 0x5e,
|
||||
0x60, 0x62, 0x64, 0x66, 0x68, 0x6a, 0x6c, 0x6e, 0x70, 0x72, 0x74, 0x76, 0x78, 0x7a, 0x7c, 0x7e,
|
||||
0x80, 0x82, 0x84, 0x86, 0x88, 0x8a, 0x8c, 0x8e, 0x90, 0x92, 0x94, 0x96, 0x98, 0x9a, 0x9c, 0x9e,
|
||||
0xa0, 0xa2, 0xa4, 0xa6, 0xa8, 0xaa, 0xac, 0xae, 0xb0, 0xb2, 0xb4, 0xb6, 0xb8, 0xba, 0xbc, 0xbe,
|
||||
0xc0, 0xc2, 0xc4, 0xc6, 0xc8, 0xca, 0xcc, 0xce, 0xd0, 0xd2, 0xd4, 0xd6, 0xd8, 0xda, 0xdc, 0xde,
|
||||
0xe0, 0xe2, 0xe4, 0xe6, 0xe8, 0xea, 0xec, 0xee, 0xf0, 0xf2, 0xf4, 0xf6, 0xf8, 0xfa, 0xfc, 0xfe,
|
||||
0x1b, 0x19, 0x1f, 0x1d, 0x13, 0x11, 0x17, 0x15, 0x0b, 0x09, 0x0f, 0x0d, 0x03, 0x01, 0x07, 0x05,
|
||||
0x3b, 0x39, 0x3f, 0x3d, 0x33, 0x31, 0x37, 0x35, 0x2b, 0x29, 0x2f, 0x2d, 0x23, 0x21, 0x27, 0x25,
|
||||
0x5b, 0x59, 0x5f, 0x5d, 0x53, 0x51, 0x57, 0x55, 0x4b, 0x49, 0x4f, 0x4d, 0x43, 0x41, 0x47, 0x45,
|
||||
0x7b, 0x79, 0x7f, 0x7d, 0x73, 0x71, 0x77, 0x75, 0x6b, 0x69, 0x6f, 0x6d, 0x63, 0x61, 0x67, 0x65,
|
||||
0x9b, 0x99, 0x9f, 0x9d, 0x93, 0x91, 0x97, 0x95, 0x8b, 0x89, 0x8f, 0x8d, 0x83, 0x81, 0x87, 0x85,
|
||||
0xbb, 0xb9, 0xbf, 0xbd, 0xb3, 0xb1, 0xb7, 0xb5, 0xab, 0xa9, 0xaf, 0xad, 0xa3, 0xa1, 0xa7, 0xa5,
|
||||
0xdb, 0xd9, 0xdf, 0xdd, 0xd3, 0xd1, 0xd7, 0xd5, 0xcb, 0xc9, 0xcf, 0xcd, 0xc3, 0xc1, 0xc7, 0xc5,
|
||||
0xfb, 0xf9, 0xff, 0xfd, 0xf3, 0xf1, 0xf7, 0xf5, 0xeb, 0xe9, 0xef, 0xed, 0xe3, 0xe1, 0xe7, 0xe5
|
||||
};
|
||||
|
||||
private static readonly byte[] _gfMul03 = new byte[]
|
||||
{
|
||||
0x00, 0x03, 0x06, 0x05, 0x0c, 0x0f, 0x0a, 0x09, 0x18, 0x1b, 0x1e, 0x1d, 0x14, 0x17, 0x12, 0x11,
|
||||
0x30, 0x33, 0x36, 0x35, 0x3c, 0x3f, 0x3a, 0x39, 0x28, 0x2b, 0x2e, 0x2d, 0x24, 0x27, 0x22, 0x21,
|
||||
0x60, 0x63, 0x66, 0x65, 0x6c, 0x6f, 0x6a, 0x69, 0x78, 0x7b, 0x7e, 0x7d, 0x74, 0x77, 0x72, 0x71,
|
||||
0x50, 0x53, 0x56, 0x55, 0x5c, 0x5f, 0x5a, 0x59, 0x48, 0x4b, 0x4e, 0x4d, 0x44, 0x47, 0x42, 0x41,
|
||||
0xc0, 0xc3, 0xc6, 0xc5, 0xcc, 0xcf, 0xca, 0xc9, 0xd8, 0xdb, 0xde, 0xdd, 0xd4, 0xd7, 0xd2, 0xd1,
|
||||
0xf0, 0xf3, 0xf6, 0xf5, 0xfc, 0xff, 0xfa, 0xf9, 0xe8, 0xeb, 0xee, 0xed, 0xe4, 0xe7, 0xe2, 0xe1,
|
||||
0xa0, 0xa3, 0xa6, 0xa5, 0xac, 0xaf, 0xaa, 0xa9, 0xb8, 0xbb, 0xbe, 0xbd, 0xb4, 0xb7, 0xb2, 0xb1,
|
||||
0x90, 0x93, 0x96, 0x95, 0x9c, 0x9f, 0x9a, 0x99, 0x88, 0x8b, 0x8e, 0x8d, 0x84, 0x87, 0x82, 0x81,
|
||||
0x9b, 0x98, 0x9d, 0x9e, 0x97, 0x94, 0x91, 0x92, 0x83, 0x80, 0x85, 0x86, 0x8f, 0x8c, 0x89, 0x8a,
|
||||
0xab, 0xa8, 0xad, 0xae, 0xa7, 0xa4, 0xa1, 0xa2, 0xb3, 0xb0, 0xb5, 0xb6, 0xbf, 0xbc, 0xb9, 0xba,
|
||||
0xfb, 0xf8, 0xfd, 0xfe, 0xf7, 0xf4, 0xf1, 0xf2, 0xe3, 0xe0, 0xe5, 0xe6, 0xef, 0xec, 0xe9, 0xea,
|
||||
0xcb, 0xc8, 0xcd, 0xce, 0xc7, 0xc4, 0xc1, 0xc2, 0xd3, 0xd0, 0xd5, 0xd6, 0xdf, 0xdc, 0xd9, 0xda,
|
||||
0x5b, 0x58, 0x5d, 0x5e, 0x57, 0x54, 0x51, 0x52, 0x43, 0x40, 0x45, 0x46, 0x4f, 0x4c, 0x49, 0x4a,
|
||||
0x6b, 0x68, 0x6d, 0x6e, 0x67, 0x64, 0x61, 0x62, 0x73, 0x70, 0x75, 0x76, 0x7f, 0x7c, 0x79, 0x7a,
|
||||
0x3b, 0x38, 0x3d, 0x3e, 0x37, 0x34, 0x31, 0x32, 0x23, 0x20, 0x25, 0x26, 0x2f, 0x2c, 0x29, 0x2a,
|
||||
0x0b, 0x08, 0x0d, 0x0e, 0x07, 0x04, 0x01, 0x02, 0x13, 0x10, 0x15, 0x16, 0x1f, 0x1c, 0x19, 0x1a
|
||||
};
|
||||
|
||||
private static readonly byte[] _gfMul09 = new byte[]
|
||||
{
|
||||
0x00, 0x09, 0x12, 0x1b, 0x24, 0x2d, 0x36, 0x3f, 0x48, 0x41, 0x5a, 0x53, 0x6c, 0x65, 0x7e, 0x77,
|
||||
0x90, 0x99, 0x82, 0x8b, 0xb4, 0xbd, 0xa6, 0xaf, 0xd8, 0xd1, 0xca, 0xc3, 0xfc, 0xf5, 0xee, 0xe7,
|
||||
0x3b, 0x32, 0x29, 0x20, 0x1f, 0x16, 0x0d, 0x04, 0x73, 0x7a, 0x61, 0x68, 0x57, 0x5e, 0x45, 0x4c,
|
||||
0xab, 0xa2, 0xb9, 0xb0, 0x8f, 0x86, 0x9d, 0x94, 0xe3, 0xea, 0xf1, 0xf8, 0xc7, 0xce, 0xd5, 0xdc,
|
||||
0x76, 0x7f, 0x64, 0x6d, 0x52, 0x5b, 0x40, 0x49, 0x3e, 0x37, 0x2c, 0x25, 0x1a, 0x13, 0x08, 0x01,
|
||||
0xe6, 0xef, 0xf4, 0xfd, 0xc2, 0xcb, 0xd0, 0xd9, 0xae, 0xa7, 0xbc, 0xb5, 0x8a, 0x83, 0x98, 0x91,
|
||||
0x4d, 0x44, 0x5f, 0x56, 0x69, 0x60, 0x7b, 0x72, 0x05, 0x0c, 0x17, 0x1e, 0x21, 0x28, 0x33, 0x3a,
|
||||
0xdd, 0xd4, 0xcf, 0xc6, 0xf9, 0xf0, 0xeb, 0xe2, 0x95, 0x9c, 0x87, 0x8e, 0xb1, 0xb8, 0xa3, 0xaa,
|
||||
0xec, 0xe5, 0xfe, 0xf7, 0xc8, 0xc1, 0xda, 0xd3, 0xa4, 0xad, 0xb6, 0xbf, 0x80, 0x89, 0x92, 0x9b,
|
||||
0x7c, 0x75, 0x6e, 0x67, 0x58, 0x51, 0x4a, 0x43, 0x34, 0x3d, 0x26, 0x2f, 0x10, 0x19, 0x02, 0x0b,
|
||||
0xd7, 0xde, 0xc5, 0xcc, 0xf3, 0xfa, 0xe1, 0xe8, 0x9f, 0x96, 0x8d, 0x84, 0xbb, 0xb2, 0xa9, 0xa0,
|
||||
0x47, 0x4e, 0x55, 0x5c, 0x63, 0x6a, 0x71, 0x78, 0x0f, 0x06, 0x1d, 0x14, 0x2b, 0x22, 0x39, 0x30,
|
||||
0x9a, 0x93, 0x88, 0x81, 0xbe, 0xb7, 0xac, 0xa5, 0xd2, 0xdb, 0xc0, 0xc9, 0xf6, 0xff, 0xe4, 0xed,
|
||||
0x0a, 0x03, 0x18, 0x11, 0x2e, 0x27, 0x3c, 0x35, 0x42, 0x4b, 0x50, 0x59, 0x66, 0x6f, 0x74, 0x7d,
|
||||
0xa1, 0xa8, 0xb3, 0xba, 0x85, 0x8c, 0x97, 0x9e, 0xe9, 0xe0, 0xfb, 0xf2, 0xcd, 0xc4, 0xdf, 0xd6,
|
||||
0x31, 0x38, 0x23, 0x2a, 0x15, 0x1c, 0x07, 0x0e, 0x79, 0x70, 0x6b, 0x62, 0x5d, 0x54, 0x4f, 0x46
|
||||
};
|
||||
|
||||
private static readonly byte[] _gfMul0B = new byte[]
|
||||
{
|
||||
0x00, 0x0b, 0x16, 0x1d, 0x2c, 0x27, 0x3a, 0x31, 0x58, 0x53, 0x4e, 0x45, 0x74, 0x7f, 0x62, 0x69,
|
||||
0xb0, 0xbb, 0xa6, 0xad, 0x9c, 0x97, 0x8a, 0x81, 0xe8, 0xe3, 0xfe, 0xf5, 0xc4, 0xcf, 0xd2, 0xd9,
|
||||
0x7b, 0x70, 0x6d, 0x66, 0x57, 0x5c, 0x41, 0x4a, 0x23, 0x28, 0x35, 0x3e, 0x0f, 0x04, 0x19, 0x12,
|
||||
0xcb, 0xc0, 0xdd, 0xd6, 0xe7, 0xec, 0xf1, 0xfa, 0x93, 0x98, 0x85, 0x8e, 0xbf, 0xb4, 0xa9, 0xa2,
|
||||
0xf6, 0xfd, 0xe0, 0xeb, 0xda, 0xd1, 0xcc, 0xc7, 0xae, 0xa5, 0xb8, 0xb3, 0x82, 0x89, 0x94, 0x9f,
|
||||
0x46, 0x4d, 0x50, 0x5b, 0x6a, 0x61, 0x7c, 0x77, 0x1e, 0x15, 0x08, 0x03, 0x32, 0x39, 0x24, 0x2f,
|
||||
0x8d, 0x86, 0x9b, 0x90, 0xa1, 0xaa, 0xb7, 0xbc, 0xd5, 0xde, 0xc3, 0xc8, 0xf9, 0xf2, 0xef, 0xe4,
|
||||
0x3d, 0x36, 0x2b, 0x20, 0x11, 0x1a, 0x07, 0x0c, 0x65, 0x6e, 0x73, 0x78, 0x49, 0x42, 0x5f, 0x54,
|
||||
0xf7, 0xfc, 0xe1, 0xea, 0xdb, 0xd0, 0xcd, 0xc6, 0xaf, 0xa4, 0xb9, 0xb2, 0x83, 0x88, 0x95, 0x9e,
|
||||
0x47, 0x4c, 0x51, 0x5a, 0x6b, 0x60, 0x7d, 0x76, 0x1f, 0x14, 0x09, 0x02, 0x33, 0x38, 0x25, 0x2e,
|
||||
0x8c, 0x87, 0x9a, 0x91, 0xa0, 0xab, 0xb6, 0xbd, 0xd4, 0xdf, 0xc2, 0xc9, 0xf8, 0xf3, 0xee, 0xe5,
|
||||
0x3c, 0x37, 0x2a, 0x21, 0x10, 0x1b, 0x06, 0x0d, 0x64, 0x6f, 0x72, 0x79, 0x48, 0x43, 0x5e, 0x55,
|
||||
0x01, 0x0a, 0x17, 0x1c, 0x2d, 0x26, 0x3b, 0x30, 0x59, 0x52, 0x4f, 0x44, 0x75, 0x7e, 0x63, 0x68,
|
||||
0xb1, 0xba, 0xa7, 0xac, 0x9d, 0x96, 0x8b, 0x80, 0xe9, 0xe2, 0xff, 0xf4, 0xc5, 0xce, 0xd3, 0xd8,
|
||||
0x7a, 0x71, 0x6c, 0x67, 0x56, 0x5d, 0x40, 0x4b, 0x22, 0x29, 0x34, 0x3f, 0x0e, 0x05, 0x18, 0x13,
|
||||
0xca, 0xc1, 0xdc, 0xd7, 0xe6, 0xed, 0xf0, 0xfb, 0x92, 0x99, 0x84, 0x8f, 0xbe, 0xb5, 0xa8, 0xa3
|
||||
};
|
||||
|
||||
private static readonly byte[] _gfMul0D = new byte[]
|
||||
{
|
||||
0x00, 0x0d, 0x1a, 0x17, 0x34, 0x39, 0x2e, 0x23, 0x68, 0x65, 0x72, 0x7f, 0x5c, 0x51, 0x46, 0x4b,
|
||||
0xd0, 0xdd, 0xca, 0xc7, 0xe4, 0xe9, 0xfe, 0xf3, 0xb8, 0xb5, 0xa2, 0xaf, 0x8c, 0x81, 0x96, 0x9b,
|
||||
0xbb, 0xb6, 0xa1, 0xac, 0x8f, 0x82, 0x95, 0x98, 0xd3, 0xde, 0xc9, 0xc4, 0xe7, 0xea, 0xfd, 0xf0,
|
||||
0x6b, 0x66, 0x71, 0x7c, 0x5f, 0x52, 0x45, 0x48, 0x03, 0x0e, 0x19, 0x14, 0x37, 0x3a, 0x2d, 0x20,
|
||||
0x6d, 0x60, 0x77, 0x7a, 0x59, 0x54, 0x43, 0x4e, 0x05, 0x08, 0x1f, 0x12, 0x31, 0x3c, 0x2b, 0x26,
|
||||
0xbd, 0xb0, 0xa7, 0xaa, 0x89, 0x84, 0x93, 0x9e, 0xd5, 0xd8, 0xcf, 0xc2, 0xe1, 0xec, 0xfb, 0xf6,
|
||||
0xd6, 0xdb, 0xcc, 0xc1, 0xe2, 0xef, 0xf8, 0xf5, 0xbe, 0xb3, 0xa4, 0xa9, 0x8a, 0x87, 0x90, 0x9d,
|
||||
0x06, 0x0b, 0x1c, 0x11, 0x32, 0x3f, 0x28, 0x25, 0x6e, 0x63, 0x74, 0x79, 0x5a, 0x57, 0x40, 0x4d,
|
||||
0xda, 0xd7, 0xc0, 0xcd, 0xee, 0xe3, 0xf4, 0xf9, 0xb2, 0xbf, 0xa8, 0xa5, 0x86, 0x8b, 0x9c, 0x91,
|
||||
0x0a, 0x07, 0x10, 0x1d, 0x3e, 0x33, 0x24, 0x29, 0x62, 0x6f, 0x78, 0x75, 0x56, 0x5b, 0x4c, 0x41,
|
||||
0x61, 0x6c, 0x7b, 0x76, 0x55, 0x58, 0x4f, 0x42, 0x09, 0x04, 0x13, 0x1e, 0x3d, 0x30, 0x27, 0x2a,
|
||||
0xb1, 0xbc, 0xab, 0xa6, 0x85, 0x88, 0x9f, 0x92, 0xd9, 0xd4, 0xc3, 0xce, 0xed, 0xe0, 0xf7, 0xfa,
|
||||
0xb7, 0xba, 0xad, 0xa0, 0x83, 0x8e, 0x99, 0x94, 0xdf, 0xd2, 0xc5, 0xc8, 0xeb, 0xe6, 0xf1, 0xfc,
|
||||
0x67, 0x6a, 0x7d, 0x70, 0x53, 0x5e, 0x49, 0x44, 0x0f, 0x02, 0x15, 0x18, 0x3b, 0x36, 0x21, 0x2c,
|
||||
0x0c, 0x01, 0x16, 0x1b, 0x38, 0x35, 0x22, 0x2f, 0x64, 0x69, 0x7e, 0x73, 0x50, 0x5d, 0x4a, 0x47,
|
||||
0xdc, 0xd1, 0xc6, 0xcb, 0xe8, 0xe5, 0xf2, 0xff, 0xb4, 0xb9, 0xae, 0xa3, 0x80, 0x8d, 0x9a, 0x97
|
||||
};
|
||||
|
||||
private static readonly byte[] _gfMul0E = new byte[]
|
||||
{
|
||||
0x00, 0x0e, 0x1c, 0x12, 0x38, 0x36, 0x24, 0x2a, 0x70, 0x7e, 0x6c, 0x62, 0x48, 0x46, 0x54, 0x5a,
|
||||
0xe0, 0xee, 0xfc, 0xf2, 0xd8, 0xd6, 0xc4, 0xca, 0x90, 0x9e, 0x8c, 0x82, 0xa8, 0xa6, 0xb4, 0xba,
|
||||
0xdb, 0xd5, 0xc7, 0xc9, 0xe3, 0xed, 0xff, 0xf1, 0xab, 0xa5, 0xb7, 0xb9, 0x93, 0x9d, 0x8f, 0x81,
|
||||
0x3b, 0x35, 0x27, 0x29, 0x03, 0x0d, 0x1f, 0x11, 0x4b, 0x45, 0x57, 0x59, 0x73, 0x7d, 0x6f, 0x61,
|
||||
0xad, 0xa3, 0xb1, 0xbf, 0x95, 0x9b, 0x89, 0x87, 0xdd, 0xd3, 0xc1, 0xcf, 0xe5, 0xeb, 0xf9, 0xf7,
|
||||
0x4d, 0x43, 0x51, 0x5f, 0x75, 0x7b, 0x69, 0x67, 0x3d, 0x33, 0x21, 0x2f, 0x05, 0x0b, 0x19, 0x17,
|
||||
0x76, 0x78, 0x6a, 0x64, 0x4e, 0x40, 0x52, 0x5c, 0x06, 0x08, 0x1a, 0x14, 0x3e, 0x30, 0x22, 0x2c,
|
||||
0x96, 0x98, 0x8a, 0x84, 0xae, 0xa0, 0xb2, 0xbc, 0xe6, 0xe8, 0xfa, 0xf4, 0xde, 0xd0, 0xc2, 0xcc,
|
||||
0x41, 0x4f, 0x5d, 0x53, 0x79, 0x77, 0x65, 0x6b, 0x31, 0x3f, 0x2d, 0x23, 0x09, 0x07, 0x15, 0x1b,
|
||||
0xa1, 0xaf, 0xbd, 0xb3, 0x99, 0x97, 0x85, 0x8b, 0xd1, 0xdf, 0xcd, 0xc3, 0xe9, 0xe7, 0xf5, 0xfb,
|
||||
0x9a, 0x94, 0x86, 0x88, 0xa2, 0xac, 0xbe, 0xb0, 0xea, 0xe4, 0xf6, 0xf8, 0xd2, 0xdc, 0xce, 0xc0,
|
||||
0x7a, 0x74, 0x66, 0x68, 0x42, 0x4c, 0x5e, 0x50, 0x0a, 0x04, 0x16, 0x18, 0x32, 0x3c, 0x2e, 0x20,
|
||||
0xec, 0xe2, 0xf0, 0xfe, 0xd4, 0xda, 0xc8, 0xc6, 0x9c, 0x92, 0x80, 0x8e, 0xa4, 0xaa, 0xb8, 0xb6,
|
||||
0x0c, 0x02, 0x10, 0x1e, 0x34, 0x3a, 0x28, 0x26, 0x7c, 0x72, 0x60, 0x6e, 0x44, 0x4a, 0x58, 0x56,
|
||||
0x37, 0x39, 0x2b, 0x25, 0x0f, 0x01, 0x13, 0x1d, 0x47, 0x49, 0x5b, 0x55, 0x7f, 0x71, 0x63, 0x6d,
|
||||
0xd7, 0xd9, 0xcb, 0xc5, 0xef, 0xe1, 0xf3, 0xfd, 0xa7, 0xa9, 0xbb, 0xb5, 0x9f, 0x91, 0x83, 0x8d
|
||||
};
|
||||
|
||||
private static readonly byte[] _srPerm = new byte[]
|
||||
{
|
||||
0, 13, 10, 7, 4, 1, 14, 11, 8, 5, 2, 15, 12, 9, 6, 3
|
||||
};
|
||||
|
||||
private static readonly byte[] _isrPerm = new byte[]
|
||||
{
|
||||
0, 5, 10, 15, 4, 9, 14, 3, 8, 13, 2, 7, 12, 1, 6, 11
|
||||
};
|
||||
#endregion
|
||||
|
||||
public static Vector128<float> AesInvMixColumns(Vector128<float> op)
|
||||
{
|
||||
byte[] inState = new byte[16];
|
||||
byte[] outState = new byte[16];
|
||||
|
||||
FromVectorToByteArray(op, inState);
|
||||
|
||||
for (int columns = 0; columns <= 3; columns++)
|
||||
{
|
||||
int idx = columns << 2;
|
||||
|
||||
byte row0 = inState[idx + 0]; // A, E, I, M: [row0, col0-col3]
|
||||
byte row1 = inState[idx + 1]; // B, F, J, N: [row1, col0-col3]
|
||||
byte row2 = inState[idx + 2]; // C, G, K, O: [row2, col0-col3]
|
||||
byte row3 = inState[idx + 3]; // D, H, L, P: [row3, col0-col3]
|
||||
|
||||
outState[idx + 0] = (byte)((uint)_gfMul0E[row0] ^ _gfMul0B[row1] ^ _gfMul0D[row2] ^ _gfMul09[row3]);
|
||||
outState[idx + 1] = (byte)((uint)_gfMul09[row0] ^ _gfMul0E[row1] ^ _gfMul0B[row2] ^ _gfMul0D[row3]);
|
||||
outState[idx + 2] = (byte)((uint)_gfMul0D[row0] ^ _gfMul09[row1] ^ _gfMul0E[row2] ^ _gfMul0B[row3]);
|
||||
outState[idx + 3] = (byte)((uint)_gfMul0B[row0] ^ _gfMul0D[row1] ^ _gfMul09[row2] ^ _gfMul0E[row3]);
|
||||
}
|
||||
|
||||
FromByteArrayToVector(outState, ref op);
|
||||
|
||||
return op;
|
||||
}
|
||||
|
||||
public static Vector128<float> AesInvShiftRows(Vector128<float> op)
|
||||
{
|
||||
byte[] inState = new byte[16];
|
||||
byte[] outState = new byte[16];
|
||||
|
||||
FromVectorToByteArray(op, inState);
|
||||
|
||||
for (int idx = 0; idx <= 15; idx++)
|
||||
{
|
||||
outState[_isrPerm[idx]] = inState[idx];
|
||||
}
|
||||
|
||||
FromByteArrayToVector(outState, ref op);
|
||||
|
||||
return op;
|
||||
}
|
||||
|
||||
public static Vector128<float> AesInvSubBytes(Vector128<float> op)
|
||||
{
|
||||
byte[] inState = new byte[16];
|
||||
byte[] outState = new byte[16];
|
||||
|
||||
FromVectorToByteArray(op, inState);
|
||||
|
||||
for (int idx = 0; idx <= 15; idx++)
|
||||
{
|
||||
outState[idx] = _invSBox[inState[idx]];
|
||||
}
|
||||
|
||||
FromByteArrayToVector(outState, ref op);
|
||||
|
||||
return op;
|
||||
}
|
||||
|
||||
public static Vector128<float> AesMixColumns(Vector128<float> op)
|
||||
{
|
||||
byte[] inState = new byte[16];
|
||||
byte[] outState = new byte[16];
|
||||
|
||||
FromVectorToByteArray(op, inState);
|
||||
|
||||
for (int columns = 0; columns <= 3; columns++)
|
||||
{
|
||||
int idx = columns << 2;
|
||||
|
||||
byte row0 = inState[idx + 0]; // A, E, I, M: [row0, col0-col3]
|
||||
byte row1 = inState[idx + 1]; // B, F, J, N: [row1, col0-col3]
|
||||
byte row2 = inState[idx + 2]; // C, G, K, O: [row2, col0-col3]
|
||||
byte row3 = inState[idx + 3]; // D, H, L, P: [row3, col0-col3]
|
||||
|
||||
outState[idx + 0] = (byte)((uint)_gfMul02[row0] ^ _gfMul03[row1] ^ row2 ^ row3);
|
||||
outState[idx + 1] = (byte)((uint)row0 ^ _gfMul02[row1] ^ _gfMul03[row2] ^ row3);
|
||||
outState[idx + 2] = (byte)((uint)row0 ^ row1 ^ _gfMul02[row2] ^ _gfMul03[row3]);
|
||||
outState[idx + 3] = (byte)((uint)_gfMul03[row0] ^ row1 ^ row2 ^ _gfMul02[row3]);
|
||||
}
|
||||
|
||||
FromByteArrayToVector(outState, ref op);
|
||||
|
||||
return op;
|
||||
}
|
||||
|
||||
public static Vector128<float> AesShiftRows(Vector128<float> op)
|
||||
{
|
||||
byte[] inState = new byte[16];
|
||||
byte[] outState = new byte[16];
|
||||
|
||||
FromVectorToByteArray(op, inState);
|
||||
|
||||
for (int idx = 0; idx <= 15; idx++)
|
||||
{
|
||||
outState[_srPerm[idx]] = inState[idx];
|
||||
}
|
||||
|
||||
FromByteArrayToVector(outState, ref op);
|
||||
|
||||
return op;
|
||||
}
|
||||
|
||||
public static Vector128<float> AesSubBytes(Vector128<float> op)
|
||||
{
|
||||
byte[] inState = new byte[16];
|
||||
byte[] outState = new byte[16];
|
||||
|
||||
FromVectorToByteArray(op, inState);
|
||||
|
||||
for (int idx = 0; idx <= 15; idx++)
|
||||
{
|
||||
outState[idx] = _sBox[inState[idx]];
|
||||
}
|
||||
|
||||
FromByteArrayToVector(outState, ref op);
|
||||
|
||||
return op;
|
||||
}
|
||||
|
||||
private unsafe static void FromVectorToByteArray(Vector128<float> op, byte[] state)
|
||||
{
|
||||
if (!Sse2.IsSupported)
|
||||
{
|
||||
throw new PlatformNotSupportedException();
|
||||
}
|
||||
|
||||
fixed (byte* ptr = &state[0])
|
||||
{
|
||||
Sse2.Store(ptr, Sse.StaticCast<float, byte>(op));
|
||||
}
|
||||
}
|
||||
|
||||
private unsafe static void FromByteArrayToVector(byte[] state, ref Vector128<float> op)
|
||||
{
|
||||
if (!Sse2.IsSupported)
|
||||
{
|
||||
throw new PlatformNotSupportedException();
|
||||
}
|
||||
|
||||
fixed (byte* ptr = &state[0])
|
||||
{
|
||||
op = Sse.StaticCast<byte, float>(Sse2.LoadVector128(ptr));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,18 +0,0 @@
|
|||
using System;
|
||||
|
||||
namespace ChocolArm64.Instructions
|
||||
{
|
||||
struct Inst
|
||||
{
|
||||
public InstEmitter Emitter { get; }
|
||||
public Type Type { get; }
|
||||
|
||||
public static Inst Undefined => new Inst(InstEmit.Und, null);
|
||||
|
||||
public Inst(InstEmitter emitter, Type type)
|
||||
{
|
||||
Emitter = emitter;
|
||||
Type = type;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,146 +0,0 @@
|
|||
using ChocolArm64.Decoders;
|
||||
using ChocolArm64.IntermediateRepresentation;
|
||||
using ChocolArm64.State;
|
||||
using ChocolArm64.Translation;
|
||||
using System;
|
||||
using System.Reflection.Emit;
|
||||
|
||||
namespace ChocolArm64.Instructions
|
||||
{
|
||||
static class InstEmit32Helper
|
||||
{
|
||||
public static bool IsThumb(OpCode64 op)
|
||||
{
|
||||
return op is OpCodeT16;
|
||||
}
|
||||
|
||||
public static void EmitLoadFromRegister(ILEmitterCtx context, int register)
|
||||
{
|
||||
if (register == RegisterAlias.Aarch32Pc)
|
||||
{
|
||||
OpCode32 op = (OpCode32)context.CurrOp;
|
||||
|
||||
context.EmitLdc_I4((int)op.GetPc());
|
||||
}
|
||||
else
|
||||
{
|
||||
context.EmitLdint(GetRegisterAlias(context.Mode, register));
|
||||
}
|
||||
}
|
||||
|
||||
public static void EmitStoreToRegister(ILEmitterCtx context, int register)
|
||||
{
|
||||
if (register == RegisterAlias.Aarch32Pc)
|
||||
{
|
||||
context.EmitStoreContext();
|
||||
|
||||
EmitBxWritePc(context);
|
||||
}
|
||||
else
|
||||
{
|
||||
context.EmitStint(GetRegisterAlias(context.Mode, register));
|
||||
}
|
||||
}
|
||||
|
||||
public static void EmitBxWritePc(ILEmitterCtx context)
|
||||
{
|
||||
context.Emit(OpCodes.Dup);
|
||||
|
||||
context.EmitLdc_I4(1);
|
||||
|
||||
context.Emit(OpCodes.And);
|
||||
context.Emit(OpCodes.Dup);
|
||||
|
||||
context.EmitStflg((int)PState.TBit);
|
||||
|
||||
ILLabel lblArmMode = new ILLabel();
|
||||
ILLabel lblEnd = new ILLabel();
|
||||
|
||||
context.Emit(OpCodes.Brtrue_S, lblArmMode);
|
||||
|
||||
context.EmitLdc_I4(~1);
|
||||
|
||||
context.Emit(OpCodes.Br_S, lblEnd);
|
||||
|
||||
context.MarkLabel(lblArmMode);
|
||||
|
||||
context.EmitLdc_I4(~3);
|
||||
|
||||
context.MarkLabel(lblEnd);
|
||||
|
||||
context.Emit(OpCodes.And);
|
||||
context.Emit(OpCodes.Conv_U8);
|
||||
context.Emit(OpCodes.Ret);
|
||||
}
|
||||
|
||||
public static int GetRegisterAlias(Aarch32Mode mode, int register)
|
||||
{
|
||||
//Only registers >= 8 are banked, with registers in the range [8, 12] being
|
||||
//banked for the FIQ mode, and registers 13 and 14 being banked for all modes.
|
||||
if ((uint)register < 8)
|
||||
{
|
||||
return register;
|
||||
}
|
||||
|
||||
return GetBankedRegisterAlias(mode, register);
|
||||
}
|
||||
|
||||
public static int GetBankedRegisterAlias(Aarch32Mode mode, int register)
|
||||
{
|
||||
switch (register)
|
||||
{
|
||||
case 8: return mode == Aarch32Mode.Fiq
|
||||
? RegisterAlias.R8Fiq
|
||||
: RegisterAlias.R8Usr;
|
||||
|
||||
case 9: return mode == Aarch32Mode.Fiq
|
||||
? RegisterAlias.R9Fiq
|
||||
: RegisterAlias.R9Usr;
|
||||
|
||||
case 10: return mode == Aarch32Mode.Fiq
|
||||
? RegisterAlias.R10Fiq
|
||||
: RegisterAlias.R10Usr;
|
||||
|
||||
case 11: return mode == Aarch32Mode.Fiq
|
||||
? RegisterAlias.R11Fiq
|
||||
: RegisterAlias.R11Usr;
|
||||
|
||||
case 12: return mode == Aarch32Mode.Fiq
|
||||
? RegisterAlias.R12Fiq
|
||||
: RegisterAlias.R12Usr;
|
||||
|
||||
case 13:
|
||||
switch (mode)
|
||||
{
|
||||
case Aarch32Mode.User:
|
||||
case Aarch32Mode.System: return RegisterAlias.SpUsr;
|
||||
case Aarch32Mode.Fiq: return RegisterAlias.SpFiq;
|
||||
case Aarch32Mode.Irq: return RegisterAlias.SpIrq;
|
||||
case Aarch32Mode.Supervisor: return RegisterAlias.SpSvc;
|
||||
case Aarch32Mode.Abort: return RegisterAlias.SpAbt;
|
||||
case Aarch32Mode.Hypervisor: return RegisterAlias.SpHyp;
|
||||
case Aarch32Mode.Undefined: return RegisterAlias.SpUnd;
|
||||
|
||||
default: throw new ArgumentException(nameof(mode));
|
||||
}
|
||||
|
||||
case 14:
|
||||
switch (mode)
|
||||
{
|
||||
case Aarch32Mode.User:
|
||||
case Aarch32Mode.Hypervisor:
|
||||
case Aarch32Mode.System: return RegisterAlias.LrUsr;
|
||||
case Aarch32Mode.Fiq: return RegisterAlias.LrFiq;
|
||||
case Aarch32Mode.Irq: return RegisterAlias.LrIrq;
|
||||
case Aarch32Mode.Supervisor: return RegisterAlias.LrSvc;
|
||||
case Aarch32Mode.Abort: return RegisterAlias.LrAbt;
|
||||
case Aarch32Mode.Undefined: return RegisterAlias.LrUnd;
|
||||
|
||||
default: throw new ArgumentException(nameof(mode));
|
||||
}
|
||||
|
||||
default: throw new ArgumentOutOfRangeException(nameof(register));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,422 +0,0 @@
|
|||
using ChocolArm64.Decoders;
|
||||
using ChocolArm64.IntermediateRepresentation;
|
||||
using ChocolArm64.State;
|
||||
using ChocolArm64.Translation;
|
||||
using System;
|
||||
using System.Reflection;
|
||||
using System.Reflection.Emit;
|
||||
using System.Runtime.Intrinsics.X86;
|
||||
|
||||
using static ChocolArm64.Instructions.InstEmitAluHelper;
|
||||
|
||||
namespace ChocolArm64.Instructions
|
||||
{
|
||||
static partial class InstEmit
|
||||
{
|
||||
public static void Adc(ILEmitterCtx context) => EmitAdc(context, false);
|
||||
public static void Adcs(ILEmitterCtx context) => EmitAdc(context, true);
|
||||
|
||||
private static void EmitAdc(ILEmitterCtx context, bool setFlags)
|
||||
{
|
||||
EmitAluLoadOpers(context);
|
||||
|
||||
context.Emit(OpCodes.Add);
|
||||
|
||||
context.EmitLdflg((int)PState.CBit);
|
||||
|
||||
Type[] mthdTypes = new Type[] { typeof(bool) };
|
||||
|
||||
MethodInfo mthdInfo = typeof(Convert).GetMethod(nameof(Convert.ToInt32), mthdTypes);
|
||||
|
||||
context.EmitCall(mthdInfo);
|
||||
|
||||
if (context.CurrOp.RegisterSize != RegisterSize.Int32)
|
||||
{
|
||||
context.Emit(OpCodes.Conv_U8);
|
||||
}
|
||||
|
||||
context.Emit(OpCodes.Add);
|
||||
|
||||
if (setFlags)
|
||||
{
|
||||
context.EmitZnFlagCheck();
|
||||
|
||||
EmitAdcsCCheck(context);
|
||||
EmitAddsVCheck(context);
|
||||
}
|
||||
|
||||
EmitAluStore(context);
|
||||
}
|
||||
|
||||
public static void Add(ILEmitterCtx context) => EmitAluOp(context, OpCodes.Add);
|
||||
|
||||
public static void Adds(ILEmitterCtx context)
|
||||
{
|
||||
context.TryOptMarkCondWithoutCmp();
|
||||
|
||||
EmitAluLoadOpers(context);
|
||||
|
||||
context.Emit(OpCodes.Add);
|
||||
|
||||
context.EmitZnFlagCheck();
|
||||
|
||||
EmitAddsCCheck(context);
|
||||
EmitAddsVCheck(context);
|
||||
EmitAluStoreS(context);
|
||||
}
|
||||
|
||||
public static void And(ILEmitterCtx context) => EmitAluOp(context, OpCodes.And);
|
||||
|
||||
public static void Ands(ILEmitterCtx context)
|
||||
{
|
||||
EmitAluLoadOpers(context);
|
||||
|
||||
context.Emit(OpCodes.And);
|
||||
|
||||
EmitZeroCvFlags(context);
|
||||
|
||||
context.EmitZnFlagCheck();
|
||||
|
||||
EmitAluStoreS(context);
|
||||
}
|
||||
|
||||
public static void Asrv(ILEmitterCtx context) => EmitAluOpShift(context, OpCodes.Shr);
|
||||
|
||||
public static void Bic(ILEmitterCtx context) => EmitBic(context, false);
|
||||
public static void Bics(ILEmitterCtx context) => EmitBic(context, true);
|
||||
|
||||
private static void EmitBic(ILEmitterCtx context, bool setFlags)
|
||||
{
|
||||
EmitAluLoadOpers(context);
|
||||
|
||||
context.Emit(OpCodes.Not);
|
||||
context.Emit(OpCodes.And);
|
||||
|
||||
if (setFlags)
|
||||
{
|
||||
EmitZeroCvFlags(context);
|
||||
|
||||
context.EmitZnFlagCheck();
|
||||
}
|
||||
|
||||
EmitAluStore(context, setFlags);
|
||||
}
|
||||
|
||||
public static void Cls(ILEmitterCtx context)
|
||||
{
|
||||
OpCodeAlu64 op = (OpCodeAlu64)context.CurrOp;
|
||||
|
||||
context.EmitLdintzr(op.Rn);
|
||||
|
||||
context.EmitLdc_I4(op.RegisterSize == RegisterSize.Int32 ? 32 : 64);
|
||||
|
||||
SoftFallback.EmitCall(context, nameof(SoftFallback.CountLeadingSigns));
|
||||
|
||||
context.EmitStintzr(op.Rd);
|
||||
}
|
||||
|
||||
public static void Clz(ILEmitterCtx context)
|
||||
{
|
||||
OpCodeAlu64 op = (OpCodeAlu64)context.CurrOp;
|
||||
|
||||
context.EmitLdintzr(op.Rn);
|
||||
|
||||
if (Lzcnt.IsSupported)
|
||||
{
|
||||
Type tValue = op.RegisterSize == RegisterSize.Int32 ? typeof(uint) : typeof(ulong);
|
||||
|
||||
context.EmitCall(typeof(Lzcnt).GetMethod(nameof(Lzcnt.LeadingZeroCount), new Type[] { tValue }));
|
||||
}
|
||||
else
|
||||
{
|
||||
context.EmitLdc_I4(op.RegisterSize == RegisterSize.Int32 ? 32 : 64);
|
||||
|
||||
SoftFallback.EmitCall(context, nameof(SoftFallback.CountLeadingZeros));
|
||||
}
|
||||
|
||||
context.EmitStintzr(op.Rd);
|
||||
}
|
||||
|
||||
public static void Eon(ILEmitterCtx context)
|
||||
{
|
||||
EmitAluLoadOpers(context);
|
||||
|
||||
context.Emit(OpCodes.Not);
|
||||
context.Emit(OpCodes.Xor);
|
||||
|
||||
EmitAluStore(context);
|
||||
}
|
||||
|
||||
public static void Eor(ILEmitterCtx context) => EmitAluOp(context, OpCodes.Xor);
|
||||
|
||||
public static void Extr(ILEmitterCtx context)
|
||||
{
|
||||
// TODO: Ensure that the Shift is valid for the Is64Bits.
|
||||
OpCodeAluRs64 op = (OpCodeAluRs64)context.CurrOp;
|
||||
|
||||
context.EmitLdintzr(op.Rm);
|
||||
|
||||
if (op.Shift > 0)
|
||||
{
|
||||
context.EmitLdc_I4(op.Shift);
|
||||
|
||||
context.Emit(OpCodes.Shr_Un);
|
||||
|
||||
context.EmitLdintzr(op.Rn);
|
||||
context.EmitLdc_I4(op.GetBitsCount() - op.Shift);
|
||||
|
||||
context.Emit(OpCodes.Shl);
|
||||
context.Emit(OpCodes.Or);
|
||||
}
|
||||
|
||||
EmitAluStore(context);
|
||||
}
|
||||
|
||||
public static void Lslv(ILEmitterCtx context) => EmitAluOpShift(context, OpCodes.Shl);
|
||||
public static void Lsrv(ILEmitterCtx context) => EmitAluOpShift(context, OpCodes.Shr_Un);
|
||||
|
||||
public static void Sbc(ILEmitterCtx context) => EmitSbc(context, false);
|
||||
public static void Sbcs(ILEmitterCtx context) => EmitSbc(context, true);
|
||||
|
||||
private static void EmitSbc(ILEmitterCtx context, bool setFlags)
|
||||
{
|
||||
EmitAluLoadOpers(context);
|
||||
|
||||
context.Emit(OpCodes.Sub);
|
||||
|
||||
context.EmitLdflg((int)PState.CBit);
|
||||
|
||||
Type[] mthdTypes = new Type[] { typeof(bool) };
|
||||
|
||||
MethodInfo mthdInfo = typeof(Convert).GetMethod(nameof(Convert.ToInt32), mthdTypes);
|
||||
|
||||
context.EmitCall(mthdInfo);
|
||||
|
||||
context.EmitLdc_I4(1);
|
||||
|
||||
context.Emit(OpCodes.Xor);
|
||||
|
||||
if (context.CurrOp.RegisterSize != RegisterSize.Int32)
|
||||
{
|
||||
context.Emit(OpCodes.Conv_U8);
|
||||
}
|
||||
|
||||
context.Emit(OpCodes.Sub);
|
||||
|
||||
if (setFlags)
|
||||
{
|
||||
context.EmitZnFlagCheck();
|
||||
|
||||
EmitSbcsCCheck(context);
|
||||
EmitSubsVCheck(context);
|
||||
}
|
||||
|
||||
EmitAluStore(context);
|
||||
}
|
||||
|
||||
public static void Sub(ILEmitterCtx context) => EmitAluOp(context, OpCodes.Sub);
|
||||
|
||||
public static void Subs(ILEmitterCtx context)
|
||||
{
|
||||
context.TryOptMarkCondWithoutCmp();
|
||||
|
||||
EmitAluLoadOpers(context);
|
||||
|
||||
context.Emit(OpCodes.Sub);
|
||||
|
||||
context.EmitZnFlagCheck();
|
||||
|
||||
EmitSubsCCheck(context);
|
||||
EmitSubsVCheck(context);
|
||||
EmitAluStoreS(context);
|
||||
}
|
||||
|
||||
public static void Orn(ILEmitterCtx context)
|
||||
{
|
||||
EmitAluLoadOpers(context);
|
||||
|
||||
context.Emit(OpCodes.Not);
|
||||
context.Emit(OpCodes.Or);
|
||||
|
||||
EmitAluStore(context);
|
||||
}
|
||||
|
||||
public static void Orr(ILEmitterCtx context) => EmitAluOp(context, OpCodes.Or);
|
||||
|
||||
public static void Rbit(ILEmitterCtx context) => EmitFallback32_64(context,
|
||||
nameof(SoftFallback.ReverseBits32),
|
||||
nameof(SoftFallback.ReverseBits64));
|
||||
|
||||
public static void Rev16(ILEmitterCtx context) => EmitFallback32_64(context,
|
||||
nameof(SoftFallback.ReverseBytes16_32),
|
||||
nameof(SoftFallback.ReverseBytes16_64));
|
||||
|
||||
public static void Rev32(ILEmitterCtx context) => EmitFallback32_64(context,
|
||||
nameof(SoftFallback.ReverseBytes32_32),
|
||||
nameof(SoftFallback.ReverseBytes32_64));
|
||||
|
||||
private static void EmitFallback32_64(ILEmitterCtx context, string name32, string name64)
|
||||
{
|
||||
OpCodeAlu64 op = (OpCodeAlu64)context.CurrOp;
|
||||
|
||||
context.EmitLdintzr(op.Rn);
|
||||
|
||||
if (op.RegisterSize == RegisterSize.Int32)
|
||||
{
|
||||
SoftFallback.EmitCall(context, name32);
|
||||
}
|
||||
else
|
||||
{
|
||||
SoftFallback.EmitCall(context, name64);
|
||||
}
|
||||
|
||||
context.EmitStintzr(op.Rd);
|
||||
}
|
||||
|
||||
public static void Rev64(ILEmitterCtx context)
|
||||
{
|
||||
OpCodeAlu64 op = (OpCodeAlu64)context.CurrOp;
|
||||
|
||||
context.EmitLdintzr(op.Rn);
|
||||
|
||||
SoftFallback.EmitCall(context, nameof(SoftFallback.ReverseBytes64));
|
||||
|
||||
context.EmitStintzr(op.Rd);
|
||||
}
|
||||
|
||||
public static void Rorv(ILEmitterCtx context)
|
||||
{
|
||||
EmitAluLoadRn(context);
|
||||
EmitAluLoadShift(context);
|
||||
|
||||
context.Emit(OpCodes.Shr_Un);
|
||||
|
||||
EmitAluLoadRn(context);
|
||||
|
||||
context.EmitLdc_I4(context.CurrOp.GetBitsCount());
|
||||
|
||||
EmitAluLoadShift(context);
|
||||
|
||||
context.Emit(OpCodes.Sub);
|
||||
context.Emit(OpCodes.Shl);
|
||||
context.Emit(OpCodes.Or);
|
||||
|
||||
EmitAluStore(context);
|
||||
}
|
||||
|
||||
public static void Sdiv(ILEmitterCtx context) => EmitDiv(context, OpCodes.Div);
|
||||
public static void Udiv(ILEmitterCtx context) => EmitDiv(context, OpCodes.Div_Un);
|
||||
|
||||
private static void EmitDiv(ILEmitterCtx context, OpCode ilOp)
|
||||
{
|
||||
// If Rm == 0, Rd = 0 (division by zero).
|
||||
context.EmitLdc_I(0);
|
||||
|
||||
EmitAluLoadRm(context);
|
||||
|
||||
context.EmitLdc_I(0);
|
||||
|
||||
ILLabel badDiv = new ILLabel();
|
||||
|
||||
context.Emit(OpCodes.Beq_S, badDiv);
|
||||
context.Emit(OpCodes.Pop);
|
||||
|
||||
if (ilOp == OpCodes.Div)
|
||||
{
|
||||
// If Rn == INT_MIN && Rm == -1, Rd = INT_MIN (overflow).
|
||||
long intMin = 1L << (context.CurrOp.GetBitsCount() - 1);
|
||||
|
||||
context.EmitLdc_I(intMin);
|
||||
|
||||
EmitAluLoadRn(context);
|
||||
|
||||
context.EmitLdc_I(intMin);
|
||||
|
||||
context.Emit(OpCodes.Ceq);
|
||||
|
||||
EmitAluLoadRm(context);
|
||||
|
||||
context.EmitLdc_I(-1);
|
||||
|
||||
context.Emit(OpCodes.Ceq);
|
||||
context.Emit(OpCodes.And);
|
||||
context.Emit(OpCodes.Brtrue_S, badDiv);
|
||||
context.Emit(OpCodes.Pop);
|
||||
}
|
||||
|
||||
EmitAluLoadRn(context);
|
||||
EmitAluLoadRm(context);
|
||||
|
||||
context.Emit(ilOp);
|
||||
|
||||
context.MarkLabel(badDiv);
|
||||
|
||||
EmitAluStore(context);
|
||||
}
|
||||
|
||||
private static void EmitAluOp(ILEmitterCtx context, OpCode ilOp)
|
||||
{
|
||||
EmitAluLoadOpers(context);
|
||||
|
||||
context.Emit(ilOp);
|
||||
|
||||
EmitAluStore(context);
|
||||
}
|
||||
|
||||
private static void EmitAluOpShift(ILEmitterCtx context, OpCode ilOp)
|
||||
{
|
||||
EmitAluLoadRn(context);
|
||||
EmitAluLoadShift(context);
|
||||
|
||||
context.Emit(ilOp);
|
||||
|
||||
EmitAluStore(context);
|
||||
}
|
||||
|
||||
private static void EmitAluLoadShift(ILEmitterCtx context)
|
||||
{
|
||||
EmitAluLoadRm(context);
|
||||
|
||||
context.EmitLdc_I(context.CurrOp.GetBitsCount() - 1);
|
||||
|
||||
context.Emit(OpCodes.And);
|
||||
|
||||
// Note: Only 32-bits shift values are valid, so when the value is 64-bits
|
||||
// we need to cast it to a 32-bits integer. This is fine because we
|
||||
// AND the value and only keep the lower 5 or 6 bits anyway -- it
|
||||
// could very well fit on a byte.
|
||||
if (context.CurrOp.RegisterSize != RegisterSize.Int32)
|
||||
{
|
||||
context.Emit(OpCodes.Conv_I4);
|
||||
}
|
||||
}
|
||||
|
||||
private static void EmitZeroCvFlags(ILEmitterCtx context)
|
||||
{
|
||||
context.EmitLdc_I4(0);
|
||||
|
||||
context.EmitStflg((int)PState.VBit);
|
||||
|
||||
context.EmitLdc_I4(0);
|
||||
|
||||
context.EmitStflg((int)PState.CBit);
|
||||
}
|
||||
|
||||
public static void EmitAluStore(ILEmitterCtx context) => EmitAluStore(context, false);
|
||||
public static void EmitAluStoreS(ILEmitterCtx context) => EmitAluStore(context, true);
|
||||
|
||||
public static void EmitAluStore(ILEmitterCtx context, bool setFlags)
|
||||
{
|
||||
IOpCodeAlu64 op = (IOpCodeAlu64)context.CurrOp;
|
||||
|
||||
if (setFlags || op is IOpCodeAluRs64)
|
||||
{
|
||||
context.EmitStintzr(op.Rd);
|
||||
}
|
||||
else
|
||||
{
|
||||
context.EmitStint(op.Rd);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,142 +0,0 @@
|
|||
using ChocolArm64.Decoders;
|
||||
using ChocolArm64.IntermediateRepresentation;
|
||||
using ChocolArm64.State;
|
||||
using ChocolArm64.Translation;
|
||||
using System.Reflection.Emit;
|
||||
|
||||
using static ChocolArm64.Instructions.InstEmit32Helper;
|
||||
using static ChocolArm64.Instructions.InstEmitAluHelper;
|
||||
|
||||
namespace ChocolArm64.Instructions
|
||||
{
|
||||
static partial class InstEmit32
|
||||
{
|
||||
public static void Add(ILEmitterCtx context)
|
||||
{
|
||||
IOpCode32Alu op = (IOpCode32Alu)context.CurrOp;
|
||||
|
||||
EmitAluLoadOpers(context, setCarry: false);
|
||||
|
||||
context.Emit(OpCodes.Add);
|
||||
|
||||
if (op.SetFlags)
|
||||
{
|
||||
context.EmitZnFlagCheck();
|
||||
|
||||
EmitAddsCCheck(context);
|
||||
EmitAddsVCheck(context);
|
||||
}
|
||||
|
||||
EmitAluStore(context);
|
||||
}
|
||||
|
||||
public static void Cmp(ILEmitterCtx context)
|
||||
{
|
||||
IOpCode32Alu op = (IOpCode32Alu)context.CurrOp;
|
||||
|
||||
EmitAluLoadOpers(context, setCarry: false);
|
||||
|
||||
context.Emit(OpCodes.Sub);
|
||||
|
||||
context.EmitZnFlagCheck();
|
||||
|
||||
EmitSubsCCheck(context);
|
||||
EmitSubsVCheck(context);
|
||||
|
||||
context.Emit(OpCodes.Pop);
|
||||
}
|
||||
|
||||
public static void Mov(ILEmitterCtx context)
|
||||
{
|
||||
IOpCode32Alu op = (IOpCode32Alu)context.CurrOp;
|
||||
|
||||
EmitAluLoadOper2(context);
|
||||
|
||||
if (op.SetFlags)
|
||||
{
|
||||
context.EmitZnFlagCheck();
|
||||
}
|
||||
|
||||
EmitAluStore(context);
|
||||
}
|
||||
|
||||
public static void Sub(ILEmitterCtx context)
|
||||
{
|
||||
IOpCode32Alu op = (IOpCode32Alu)context.CurrOp;
|
||||
|
||||
EmitAluLoadOpers(context, setCarry: false);
|
||||
|
||||
context.Emit(OpCodes.Sub);
|
||||
|
||||
if (op.SetFlags)
|
||||
{
|
||||
context.EmitZnFlagCheck();
|
||||
|
||||
EmitSubsCCheck(context);
|
||||
EmitSubsVCheck(context);
|
||||
}
|
||||
|
||||
EmitAluStore(context);
|
||||
}
|
||||
|
||||
private static void EmitAluStore(ILEmitterCtx context)
|
||||
{
|
||||
IOpCode32Alu op = (IOpCode32Alu)context.CurrOp;
|
||||
|
||||
if (op.Rd == RegisterAlias.Aarch32Pc)
|
||||
{
|
||||
if (op.SetFlags)
|
||||
{
|
||||
// TODO: Load SPSR etc.
|
||||
|
||||
context.EmitLdflg((int)PState.TBit);
|
||||
|
||||
ILLabel lblThumb = new ILLabel();
|
||||
ILLabel lblEnd = new ILLabel();
|
||||
|
||||
context.Emit(OpCodes.Brtrue_S, lblThumb);
|
||||
|
||||
context.EmitLdc_I4(~3);
|
||||
|
||||
context.Emit(OpCodes.Br_S, lblEnd);
|
||||
|
||||
context.MarkLabel(lblThumb);
|
||||
|
||||
context.EmitLdc_I4(~1);
|
||||
|
||||
context.MarkLabel(lblEnd);
|
||||
|
||||
context.Emit(OpCodes.And);
|
||||
context.Emit(OpCodes.Conv_U8);
|
||||
context.Emit(OpCodes.Ret);
|
||||
}
|
||||
else
|
||||
{
|
||||
EmitAluWritePc(context);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
context.EmitStint(GetRegisterAlias(context.Mode, op.Rd));
|
||||
}
|
||||
}
|
||||
|
||||
private static void EmitAluWritePc(ILEmitterCtx context)
|
||||
{
|
||||
context.EmitStoreContext();
|
||||
|
||||
if (IsThumb(context.CurrOp))
|
||||
{
|
||||
context.EmitLdc_I4(~1);
|
||||
|
||||
context.Emit(OpCodes.And);
|
||||
context.Emit(OpCodes.Conv_U8);
|
||||
context.Emit(OpCodes.Ret);
|
||||
}
|
||||
else
|
||||
{
|
||||
EmitBxWritePc(context);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Some files were not shown because too many files have changed in this diff Show more
Reference in a new issue