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| author | TSR Berry <20988865+TSRBerry@users.noreply.github.com> | 2023-04-08 01:22:00 +0200 |
|---|---|---|
| committer | Mary <thog@protonmail.com> | 2023-04-27 23:51:14 +0200 |
| commit | cee712105850ac3385cd0091a923438167433f9f (patch) | |
| tree | 4a5274b21d8b7f938c0d0ce18736d3f2993b11b1 /src/Ryujinx.Memory/Tracking/AbstractRegion.cs | |
| parent | cd124bda587ef09668a971fa1cac1c3f0cfc9f21 (diff) | |
Move solution and projects to src
Diffstat (limited to 'src/Ryujinx.Memory/Tracking/AbstractRegion.cs')
| -rw-r--r-- | src/Ryujinx.Memory/Tracking/AbstractRegion.cs | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/Ryujinx.Memory/Tracking/AbstractRegion.cs b/src/Ryujinx.Memory/Tracking/AbstractRegion.cs new file mode 100644 index 00000000..bd4c8ab5 --- /dev/null +++ b/src/Ryujinx.Memory/Tracking/AbstractRegion.cs @@ -0,0 +1,73 @@ +using Ryujinx.Memory.Range; + +namespace Ryujinx.Memory.Tracking +{ + /// <summary> + /// A region of memory. + /// </summary> + abstract class AbstractRegion : INonOverlappingRange + { + /// <summary> + /// Base address. + /// </summary> + public ulong Address { get; } + + /// <summary> + /// Size of the range in bytes. + /// </summary> + public ulong Size { get; protected set; } + + /// <summary> + /// End address. + /// </summary> + public ulong EndAddress => Address + Size; + + /// <summary> + /// Create a new region. + /// </summary> + /// <param name="address">Base address</param> + /// <param name="size">Size of the range</param> + protected AbstractRegion(ulong address, ulong size) + { + Address = address; + Size = size; + } + + /// <summary> + /// Check if this range overlaps with another. + /// </summary> + /// <param name="address">Base address</param> + /// <param name="size">Size of the range</param> + /// <returns>True if overlapping, false otherwise</returns> + public bool OverlapsWith(ulong address, ulong size) + { + return Address < address + size && address < EndAddress; + } + + /// <summary> + /// Signals to the handles that a memory event has occurred, and unprotects the region. Assumes that the tracking lock has been obtained. + /// </summary> + /// <param name="address">Address accessed</param> + /// <param name="size">Size of the region affected in bytes</param> + /// <param name="write">Whether the region was written to or read</param> + /// <param name="exemptId">Optional ID of the handles that should not be signalled</param> + public abstract void Signal(ulong address, ulong size, bool write, int? exemptId); + + /// <summary> + /// Signals to the handles that a precise memory event has occurred. Assumes that the tracking lock has been obtained. + /// </summary> + /// <param name="address">Address accessed</param> + /// <param name="size">Size of the region affected in bytes</param> + /// <param name="write">Whether the region was written to or read</param> + /// <param name="exemptId">Optional ID of the handles that should not be signalled</param> + public abstract void SignalPrecise(ulong address, ulong size, bool write, int? exemptId); + + /// <summary> + /// Split this region into two, around the specified address. + /// This region is updated to end at the split address, and a new region is created to represent past that point. + /// </summary> + /// <param name="splitAddress">Address to split the region around</param> + /// <returns>The second part of the split region, with start address at the given split.</returns> + public abstract INonOverlappingRange Split(ulong splitAddress); + } +} |