Disable memory checks by default, even on debug, move ram memory allocation inside the CPU, since the size if fixed anyway, better heap region size
This commit is contained in:
parent
9376a61229
commit
9aaf563df1
4 changed files with 49 additions and 74 deletions
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@ -1,4 +1,4 @@
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public static class AOptimizations
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{
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public static bool EnableMemoryChecks = false;
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}
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@ -10,7 +10,7 @@ namespace ChocolArm64
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public AThreadState ThreadState { get; private set; }
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public AMemory Memory { get; private set; }
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public long EntryPoint { get; private set; }
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private long EntryPoint;
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private ATranslator Translator;
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@ -3,10 +3,11 @@ using ChocolArm64.State;
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using System;
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using System.Collections.Generic;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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namespace ChocolArm64.Memory
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{
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public unsafe class AMemory
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public unsafe class AMemory : IDisposable
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{
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private const long ErgMask = (4 << AThreadState.ErgSizeLog2) - 1;
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@ -39,9 +40,11 @@ namespace ChocolArm64.Memory
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private HashSet<long> ExAddrs;
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public IntPtr Ram { get; private set; }
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private byte* RamPtr;
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public AMemory(IntPtr Ram)
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public AMemory()
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{
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Manager = new AMemoryMgr();
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@ -49,6 +52,8 @@ namespace ChocolArm64.Memory
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ExAddrs = new HashSet<long>();
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Ram = Marshal.AllocHGlobal((IntPtr)AMemoryMgr.RamSize + AMemoryMgr.PageSize);
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RamPtr = (byte*)Ram;
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}
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@ -142,9 +147,7 @@ namespace ChocolArm64.Memory
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public byte ReadByte(long Position)
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{
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#if DEBUG
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EnsureAccessIsValid(Position, AMemoryPerm.Read);
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#endif
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return *((byte*)(RamPtr + (uint)Position));
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}
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@ -152,9 +155,8 @@ namespace ChocolArm64.Memory
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public ushort ReadUInt16(long Position)
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{
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#if DEBUG
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EnsureAccessIsValid(Position, AMemoryPerm.Read);
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#endif
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EnsureAccessIsValid(Position + 0, AMemoryPerm.Read);
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EnsureAccessIsValid(Position + 1, AMemoryPerm.Read);
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return *((ushort*)(RamPtr + (uint)Position));
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}
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@ -162,9 +164,8 @@ namespace ChocolArm64.Memory
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public uint ReadUInt32(long Position)
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{
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#if DEBUG
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EnsureAccessIsValid(Position, AMemoryPerm.Read);
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#endif
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EnsureAccessIsValid(Position + 0, AMemoryPerm.Read);
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EnsureAccessIsValid(Position + 3, AMemoryPerm.Read);
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return *((uint*)(RamPtr + (uint)Position));
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}
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@ -172,9 +173,8 @@ namespace ChocolArm64.Memory
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public ulong ReadUInt64(long Position)
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{
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#if DEBUG
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EnsureAccessIsValid(Position, AMemoryPerm.Read);
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#endif
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EnsureAccessIsValid(Position + 0, AMemoryPerm.Read);
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EnsureAccessIsValid(Position + 7, AMemoryPerm.Read);
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return *((ulong*)(RamPtr + (uint)Position));
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}
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@ -182,50 +182,30 @@ namespace ChocolArm64.Memory
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public AVec ReadVector8(long Position)
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{
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#if DEBUG
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EnsureAccessIsValid(Position, AMemoryPerm.Read);
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#endif
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return new AVec() { B0 = ReadByte(Position) };
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public AVec ReadVector16(long Position)
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{
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#if DEBUG
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EnsureAccessIsValid(Position, AMemoryPerm.Read);
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#endif
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return new AVec() { H0 = ReadUInt16(Position) };
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public AVec ReadVector32(long Position)
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{
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#if DEBUG
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EnsureAccessIsValid(Position, AMemoryPerm.Read);
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#endif
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return new AVec() { W0 = ReadUInt32(Position) };
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public AVec ReadVector64(long Position)
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{
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#if DEBUG
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EnsureAccessIsValid(Position, AMemoryPerm.Read);
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#endif
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return new AVec() { X0 = ReadUInt64(Position) };
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public AVec ReadVector128(long Position)
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{
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#if DEBUG
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EnsureAccessIsValid(Position, AMemoryPerm.Read);
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#endif
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return new AVec()
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{
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X0 = ReadUInt64(Position + 0),
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@ -241,9 +221,7 @@ namespace ChocolArm64.Memory
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public void WriteByte(long Position, byte Value)
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{
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#if DEBUG
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EnsureAccessIsValid(Position, AMemoryPerm.Write);
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#endif
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*((byte*)(RamPtr + (uint)Position)) = Value;
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}
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@ -251,9 +229,8 @@ namespace ChocolArm64.Memory
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public void WriteUInt16(long Position, ushort Value)
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{
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#if DEBUG
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EnsureAccessIsValid(Position, AMemoryPerm.Write);
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#endif
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EnsureAccessIsValid(Position + 0, AMemoryPerm.Write);
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EnsureAccessIsValid(Position + 1, AMemoryPerm.Write);
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*((ushort*)(RamPtr + (uint)Position)) = Value;
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}
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@ -261,9 +238,8 @@ namespace ChocolArm64.Memory
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public void WriteUInt32(long Position, uint Value)
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{
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#if DEBUG
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EnsureAccessIsValid(Position, AMemoryPerm.Write);
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#endif
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EnsureAccessIsValid(Position + 0, AMemoryPerm.Write);
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EnsureAccessIsValid(Position + 3, AMemoryPerm.Write);
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*((uint*)(RamPtr + (uint)Position)) = Value;
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}
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@ -271,9 +247,8 @@ namespace ChocolArm64.Memory
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public void WriteUInt64(long Position, ulong Value)
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{
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#if DEBUG
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EnsureAccessIsValid(Position, AMemoryPerm.Write);
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#endif
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EnsureAccessIsValid(Position + 0, AMemoryPerm.Write);
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EnsureAccessIsValid(Position + 7, AMemoryPerm.Write);
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*((ulong*)(RamPtr + (uint)Position)) = Value;
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}
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@ -281,56 +256,39 @@ namespace ChocolArm64.Memory
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public void WriteVector8(long Position, AVec Value)
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{
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#if DEBUG
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EnsureAccessIsValid(Position, AMemoryPerm.Write);
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#endif
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WriteByte(Position, Value.B0);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public void WriteVector16(long Position, AVec Value)
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{
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#if DEBUG
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EnsureAccessIsValid(Position, AMemoryPerm.Write);
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#endif
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WriteUInt16(Position, Value.H0);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public void WriteVector32(long Position, AVec Value)
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{
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#if DEBUG
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EnsureAccessIsValid(Position, AMemoryPerm.Write);
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#endif
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WriteUInt32(Position, Value.W0);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public void WriteVector64(long Position, AVec Value)
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{
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#if DEBUG
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EnsureAccessIsValid(Position, AMemoryPerm.Write);
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#endif
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WriteUInt64(Position, Value.X0);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public void WriteVector128(long Position, AVec Value)
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{
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#if DEBUG
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EnsureAccessIsValid(Position, AMemoryPerm.Write);
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#endif
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WriteUInt64(Position + 0, Value.X0);
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WriteUInt64(Position + 8, Value.X1);
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}
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private void EnsureAccessIsValid(long Position, AMemoryPerm Perm)
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{
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#if DEBUG
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if (AOptimizations.EnableMemoryChecks)
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{
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if (!Manager.IsMapped(Position))
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{
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throw new VmmPageFaultException(Position);
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@ -341,5 +299,22 @@ namespace ChocolArm64.Memory
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throw new VmmAccessViolationException(Position, Perm);
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}
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}
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#endif
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}
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public void Dispose()
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{
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Dispose(true);
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}
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protected virtual void Dispose(bool disposing)
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{
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if (Ram != IntPtr.Zero)
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{
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Marshal.FreeHGlobal(Ram);
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Ram = IntPtr.Zero;
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}
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}
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}
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}
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@ -4,8 +4,8 @@ namespace ChocolArm64.Memory
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{
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public class AMemoryMgr
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{
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public const long AddrSize = RamSize;
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public const long RamSize = 4L * 1024 * 1024 * 1024;
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public const long AddrSize = RamSize;
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private const int PTLvl0Bits = 10;
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private const int PTLvl1Bits = 10;
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