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Separate guest/host tracking + unaligned protection (#6486)

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* WIP: Separate guest/host tracking + unaligned protection

Allow memory manager to define support for single byte guest tracking

* Formatting

* Improve docs

* Properly handle cases where the address space bits are too low

* Address feedback
This commit is contained in:
riperiperi
2024-03-14 22:38:27 +00:00
committed by GitHub
parent ce607db944
commit fdd3263e31
18 changed files with 774 additions and 763 deletions
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9
src/Ryujinx.Memory/Tracking/MultiRegionHandle.cs
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@@ -37,7 +37,8 @@ namespace Ryujinx.Memory.Tracking
ulong size,
IEnumerable<IRegionHandle> handles,
ulong granularity,
int id)
int id,
RegionFlags flags)
{
_handles = new RegionHandle[(size + granularity - 1) / granularity];
Granularity = granularity;
@@ -62,7 +63,7 @@ namespace Ryujinx.Memory.Tracking
// Fill any gap left before this handle.
while (i < startIndex)
{
RegionHandle fillHandle = tracking.BeginTrackingBitmap(address + (ulong)i * granularity, granularity, _dirtyBitmap, i, id);
RegionHandle fillHandle = tracking.BeginTrackingBitmap(address + (ulong)i * granularity, granularity, _dirtyBitmap, i, id, flags);
fillHandle.Parent = this;
_handles[i++] = fillHandle;
}
@@ -83,7 +84,7 @@ namespace Ryujinx.Memory.Tracking
while (i < endIndex)
{
RegionHandle splitHandle = tracking.BeginTrackingBitmap(address + (ulong)i * granularity, granularity, _dirtyBitmap, i, id);
RegionHandle splitHandle = tracking.BeginTrackingBitmap(address + (ulong)i * granularity, granularity, _dirtyBitmap, i, id, flags);
splitHandle.Parent = this;
splitHandle.Reprotect(handle.Dirty);
@@ -106,7 +107,7 @@ namespace Ryujinx.Memory.Tracking
// Fill any remaining space with new handles.
while (i < _handles.Length)
{
RegionHandle handle = tracking.BeginTrackingBitmap(address + (ulong)i * granularity, granularity, _dirtyBitmap, i, id);
RegionHandle handle = tracking.BeginTrackingBitmap(address + (ulong)i * granularity, granularity, _dirtyBitmap, i, id, flags);
handle.Parent = this;
_handles[i++] = handle;
}