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path: root/Ryujinx.Memory/IVirtualMemoryManager.cs
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Diffstat (limited to 'Ryujinx.Memory/IVirtualMemoryManager.cs')
-rw-r--r--Ryujinx.Memory/IVirtualMemoryManager.cs30
1 files changed, 29 insertions, 1 deletions
diff --git a/Ryujinx.Memory/IVirtualMemoryManager.cs b/Ryujinx.Memory/IVirtualMemoryManager.cs
index c8a74f66..390371ad 100644
--- a/Ryujinx.Memory/IVirtualMemoryManager.cs
+++ b/Ryujinx.Memory/IVirtualMemoryManager.cs
@@ -7,6 +7,12 @@ namespace Ryujinx.Memory
public interface IVirtualMemoryManager
{
/// <summary>
+ /// Indicates whenever the memory manager supports aliasing pages at 4KB granularity.
+ /// </summary>
+ /// <returns>True if 4KB pages are supported by the memory manager, false otherwise</returns>
+ bool Supports4KBPages { get; }
+
+ /// <summary>
/// Maps a virtual memory range into a physical memory range.
/// </summary>
/// <remarks>
@@ -15,7 +21,20 @@ namespace Ryujinx.Memory
/// <param name="va">Virtual memory address</param>
/// <param name="pa">Physical memory address where the region should be mapped to</param>
/// <param name="size">Size to be mapped</param>
- void Map(ulong va, ulong pa, ulong size);
+ /// <param name="flags">Flags controlling memory mapping</param>
+ void Map(ulong va, ulong pa, ulong size, MemoryMapFlags flags);
+
+ /// <summary>
+ /// Maps a virtual memory range into an arbitrary host memory range.
+ /// </summary>
+ /// <remarks>
+ /// Addresses and size must be page aligned.
+ /// Not all memory managers supports this feature.
+ /// </remarks>
+ /// <param name="va">Virtual memory address</param>
+ /// <param name="hostPointer">Host pointer where the virtual region should be mapped</param>
+ /// <param name="size">Size to be mapped</param>
+ void MapForeign(ulong va, nuint hostPointer, ulong size);
/// <summary>
/// Unmaps a previously mapped range of virtual memory.
@@ -116,6 +135,15 @@ namespace Ryujinx.Memory
ref T GetRef<T>(ulong va) where T : unmanaged;
/// <summary>
+ /// Gets the host regions that make up the given virtual address region.
+ /// If any part of the virtual region is unmapped, null is returned.
+ /// </summary>
+ /// <param name="va">Virtual address of the range</param>
+ /// <param name="size">Size of the range</param>
+ /// <returns>Array of host regions</returns>
+ IEnumerable<HostMemoryRange> GetHostRegions(ulong va, ulong size);
+
+ /// <summary>
/// Gets the physical regions that make up the given virtual address region.
/// If any part of the virtual region is unmapped, null is returned.
/// </summary>