diff options
Diffstat (limited to 'src/Ryujinx.HLE/HOS/Kernel/Memory/KPageTable.cs')
| -rw-r--r-- | src/Ryujinx.HLE/HOS/Kernel/Memory/KPageTable.cs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/Ryujinx.HLE/HOS/Kernel/Memory/KPageTable.cs b/src/Ryujinx.HLE/HOS/Kernel/Memory/KPageTable.cs index 543acb7a..d7b601d1 100644 --- a/src/Ryujinx.HLE/HOS/Kernel/Memory/KPageTable.cs +++ b/src/Ryujinx.HLE/HOS/Kernel/Memory/KPageTable.cs @@ -165,6 +165,29 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory /// <inheritdoc/> protected override Result MapForeign(IEnumerable<HostMemoryRange> regions, ulong va, ulong size) { + ulong backingStart = (ulong)Context.Memory.Pointer; + ulong backingEnd = backingStart + Context.Memory.Size; + + KPageList pageList = new(); + + foreach (HostMemoryRange region in regions) + { + // If the range is inside the physical memory, it is shared and we should increment the page count, + // otherwise it is private and we don't need to increment the page count. + + if (region.Address >= backingStart && region.Address < backingEnd) + { + pageList.AddRange(region.Address - backingStart + DramMemoryMap.DramBase, region.Size / PageSize); + } + } + + using var scopedPageList = new KScopedPageList(Context.MemoryManager, pageList); + + foreach (var pageNode in pageList) + { + Context.CommitMemory(pageNode.Address - DramMemoryMap.DramBase, pageNode.PagesCount * PageSize); + } + ulong offset = 0; foreach (var region in regions) @@ -174,6 +197,8 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory offset += region.Size; } + scopedPageList.SignalSuccess(); + return Result.Success; } |