From fdd3263e31f8bf352a21e05703d0a6a82c800995 Mon Sep 17 00:00:00 2001
From: riperiperi <rhy3756547@hotmail.com>
Date: Thu, 14 Mar 2024 22:38:27 +0000
Subject: Separate guest/host tracking + unaligned protection (#6486)

* 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
---
 src/Ryujinx.Memory/Tracking/RegionFlags.cs | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 src/Ryujinx.Memory/Tracking/RegionFlags.cs

(limited to 'src/Ryujinx.Memory/Tracking/RegionFlags.cs')

diff --git a/src/Ryujinx.Memory/Tracking/RegionFlags.cs b/src/Ryujinx.Memory/Tracking/RegionFlags.cs
new file mode 100644
index 00000000..ceb8e56a
--- /dev/null
+++ b/src/Ryujinx.Memory/Tracking/RegionFlags.cs
@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Ryujinx.Memory.Tracking
+{
+    [Flags]
+    public enum RegionFlags
+    {
+        None = 0,
+
+        /// <summary>
+        /// Access to the resource is expected to occasionally be unaligned.
+        /// With some memory managers, guest protection must extend into the previous page to cover unaligned access.
+        /// If this is not expected, protection is not altered, which can avoid unintended resource dirty/flush.
+        /// </summary>
+        UnalignedAccess = 1,
+    }
+}
-- 
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