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a694420d11
* Implement speculative translation on the cpu, and change the way how branches to unknown or untranslated addresses works * Port t0opt changes and other cleanups * Change namespace from translation related classes to ChocolArm64.Translation, other minor tweaks * Fix typo * Translate higher quality code for indirect jumps aswell, and on some cases that were missed when lower quality (tier 0) code was available * Remove debug print * Remove direct argument passing optimization, and enable tail calls for BR instructions * Call delegates directly with Callvirt rather than calling Execute, do not emit calls for tier 0 code * Remove unused property * Rename argument on ArmSubroutine delegate
65 lines
1.8 KiB
C#
65 lines
1.8 KiB
C#
using ChocolArm64.Memory;
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using ChocolArm64.State;
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using System;
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using System.Reflection;
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using System.Reflection.Emit;
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namespace ChocolArm64.Translation
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{
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delegate long ArmSubroutine(CpuThreadState state, MemoryManager memory);
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class TranslatedSub
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{
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public ArmSubroutine Delegate { get; private set; }
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public static int StateArgIdx { get; private set; }
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public static int MemoryArgIdx { get; private set; }
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public static Type[] FixedArgTypes { get; private set; }
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public DynamicMethod Method { get; private set; }
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public TranslationTier Tier { get; private set; }
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public TranslatedSub(DynamicMethod method, TranslationTier tier)
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{
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Method = method ?? throw new ArgumentNullException(nameof(method));;
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Tier = tier;
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}
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static TranslatedSub()
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{
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MethodInfo mthdInfo = typeof(ArmSubroutine).GetMethod("Invoke");
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ParameterInfo[] Params = mthdInfo.GetParameters();
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FixedArgTypes = new Type[Params.Length];
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for (int index = 0; index < Params.Length; index++)
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{
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Type argType = Params[index].ParameterType;
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FixedArgTypes[index] = argType;
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if (argType == typeof(CpuThreadState))
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{
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StateArgIdx = index;
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}
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else if (argType == typeof(MemoryManager))
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{
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MemoryArgIdx = index;
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}
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}
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}
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public void PrepareMethod()
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{
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Delegate = (ArmSubroutine)Method.CreateDelegate(typeof(ArmSubroutine));
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}
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public long Execute(CpuThreadState threadState, MemoryManager memory)
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{
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return Delegate(threadState, memory);
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}
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}
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} |