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https://github.com/GreemDev/Ryujinx
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efb135b74c
* Clear CPU side data on GPU buffer clears * Implement tracked fill operation that can signal other resource types except buffer * Fix tests, add missing XML doc * PR feedback
77 lines
No EOL
3.2 KiB
C#
77 lines
No EOL
3.2 KiB
C#
using System;
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namespace ARMeilleure.Memory
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{
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public interface IMemoryManager
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{
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int AddressSpaceBits { get; }
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IntPtr PageTablePointer { get; }
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MemoryManagerType Type { get; }
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event Action<ulong, ulong> UnmapEvent;
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/// <summary>
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/// Reads data from CPU mapped memory.
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/// </summary>
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/// <typeparam name="T">Type of the data being read</typeparam>
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/// <param name="va">Virtual address of the data in memory</param>
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/// <returns>The data</returns>
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T Read<T>(ulong va) where T : unmanaged;
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/// <summary>
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/// Reads data from CPU mapped memory, with read tracking
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/// </summary>
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/// <typeparam name="T">Type of the data being read</typeparam>
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/// <param name="va">Virtual address of the data in memory</param>
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/// <returns>The data</returns>
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T ReadTracked<T>(ulong va) where T : unmanaged;
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/// <summary>
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/// Writes data to CPU mapped memory.
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/// </summary>
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/// <typeparam name="T">Type of the data being written</typeparam>
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/// <param name="va">Virtual address to write the data into</param>
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/// <param name="value">Data to be written</param>
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void Write<T>(ulong va, T value) where T : unmanaged;
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/// <summary>
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/// Gets a read-only span of data from CPU mapped memory.
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/// </summary>
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/// <param name="va">Virtual address of the data</param>
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/// <param name="size">Size of the data</param>
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/// <param name="tracked">True if read tracking is triggered on the span</param>
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/// <returns>A read-only span of the data</returns>
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ReadOnlySpan<byte> GetSpan(ulong va, int size, bool tracked = false);
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/// <summary>
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/// Gets a reference for the given type at the specified virtual memory address.
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/// </summary>
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/// <remarks>
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/// The data must be located at a contiguous memory region.
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/// </remarks>
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/// <typeparam name="T">Type of the data to get the reference</typeparam>
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/// <param name="va">Virtual address of the data</param>
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/// <returns>A reference to the data in memory</returns>
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ref T GetRef<T>(ulong va) where T : unmanaged;
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/// <summary>
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/// Checks if the page at a given CPU virtual address is mapped.
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/// </summary>
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/// <param name="va">Virtual address to check</param>
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/// <returns>True if the address is mapped, false otherwise</returns>
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bool IsMapped(ulong va);
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/// <summary>
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/// Alerts the memory tracking that a given region has been read from or written to.
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/// This should be called before read/write is performed.
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/// </summary>
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/// <param name="va">Virtual address of the region</param>
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/// <param name="size">Size of the region</param>
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/// <param name="write">True if the region was written, false if read</param>
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/// <param name="precise">True if the access is precise, false otherwise</param>
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/// <param name="exemptId">Optional ID of the handles that should not be signalled</param>
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void SignalMemoryTracking(ulong va, ulong size, bool write, bool precise = false, int? exemptId = null);
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}
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} |