54 lines
1.4 KiB
C#
54 lines
1.4 KiB
C#
// Copyright (C) 2026 SharpEmu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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using SharpEmu.HLE;
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namespace SharpEmu.Core.Cpu;
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public sealed class TrackedCpuMemory : ICpuMemory, ITrackedCpuMemory, IGuestMemoryAllocator
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{
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private readonly ICpuMemory _inner;
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public TrackedCpuMemory(ICpuMemory inner)
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{
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_inner = inner ?? throw new ArgumentNullException(nameof(inner));
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}
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public CpuMemoryAccessFailure? LastFailure { get; private set; }
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public ICpuMemory Inner => _inner;
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public bool TryRead(ulong virtualAddress, Span<byte> destination)
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{
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var result = _inner.TryRead(virtualAddress, destination);
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if (!result)
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{
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LastFailure = new CpuMemoryAccessFailure(virtualAddress, destination.Length, isWrite: false);
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}
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return result;
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}
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public bool TryWrite(ulong virtualAddress, ReadOnlySpan<byte> source)
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{
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var result = _inner.TryWrite(virtualAddress, source);
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if (!result)
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{
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LastFailure = new CpuMemoryAccessFailure(virtualAddress, source.Length, isWrite: true);
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}
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return result;
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}
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public bool TryAllocateGuestMemory(ulong size, ulong alignment, out ulong address)
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{
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if (_inner is IGuestMemoryAllocator allocator)
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{
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return allocator.TryAllocateGuestMemory(size, alignment, out address);
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}
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address = 0;
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return false;
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}
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}
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