From b323a017385ac6e08db4025fe4ef1bfbb41607ab Mon Sep 17 00:00:00 2001 From: gdkchan Date: Tue, 26 Mar 2024 23:33:24 -0300 Subject: Implement host tracked memory manager mode (#6356) * Add host tracked memory manager mode * Skipping flush is no longer needed * Formatting + revert unrelated change * LightningJit: Ensure that dest register is saved for load ops that do partial updates * avoid allocations when doing address space lookup Add missing improvement * IsRmwMemory -> IsPartialRegisterUpdateMemory * Ensure we iterate all private allocations in range * PR feedback and potential fixes * Simplified bridges a lot * Skip calling SignalMappingChanged if Guest is true * Late map bridge too * Force address masking for prefetch instructions * Reprotection for bridges * Move partition list validation to separate debug method * Move host tracked related classes to HostTracked folder * New HostTracked namespace * Move host tracked modes to the end of enum to avoid PPTC invalidation --------- Co-authored-by: riperiperi --- src/Ryujinx.HLE/HOS/Kernel/Memory/KPageTable.cs | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) (limited to 'src/Ryujinx.HLE/HOS/Kernel/Memory/KPageTable.cs') 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 /// protected override Result MapForeign(IEnumerable 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; } -- cgit v1.2.3