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authorTSR Berry <20988865+TSRBerry@users.noreply.github.com>2023-04-08 01:22:00 +0200
committerMary <thog@protonmail.com>2023-04-27 23:51:14 +0200
commitcee712105850ac3385cd0091a923438167433f9f (patch)
tree4a5274b21d8b7f938c0d0ce18736d3f2993b11b1 /Ryujinx.Memory/MemoryManagementWindows.cs
parentcd124bda587ef09668a971fa1cac1c3f0cfc9f21 (diff)
Move solution and projects to src
Diffstat (limited to 'Ryujinx.Memory/MemoryManagementWindows.cs')
-rw-r--r--Ryujinx.Memory/MemoryManagementWindows.cs144
1 files changed, 0 insertions, 144 deletions
diff --git a/Ryujinx.Memory/MemoryManagementWindows.cs b/Ryujinx.Memory/MemoryManagementWindows.cs
deleted file mode 100644
index 2f89a921..00000000
--- a/Ryujinx.Memory/MemoryManagementWindows.cs
+++ /dev/null
@@ -1,144 +0,0 @@
-using Ryujinx.Memory.WindowsShared;
-using System;
-using System.Runtime.Versioning;
-
-namespace Ryujinx.Memory
-{
- [SupportedOSPlatform("windows")]
- static class MemoryManagementWindows
- {
- public const int PageSize = 0x1000;
-
- private static readonly PlaceholderManager _placeholders = new PlaceholderManager();
-
- public static IntPtr Allocate(IntPtr size)
- {
- return AllocateInternal(size, AllocationType.Reserve | AllocationType.Commit);
- }
-
- public static IntPtr Reserve(IntPtr size, bool viewCompatible)
- {
- if (viewCompatible)
- {
- IntPtr baseAddress = AllocateInternal2(size, AllocationType.Reserve | AllocationType.ReservePlaceholder);
-
- _placeholders.ReserveRange((ulong)baseAddress, (ulong)size);
-
- return baseAddress;
- }
-
- return AllocateInternal(size, AllocationType.Reserve);
- }
-
- private static IntPtr AllocateInternal(IntPtr size, AllocationType flags = 0)
- {
- IntPtr ptr = WindowsApi.VirtualAlloc(IntPtr.Zero, size, flags, MemoryProtection.ReadWrite);
-
- if (ptr == IntPtr.Zero)
- {
- throw new OutOfMemoryException();
- }
-
- return ptr;
- }
-
- private static IntPtr AllocateInternal2(IntPtr size, AllocationType flags = 0)
- {
- IntPtr ptr = WindowsApi.VirtualAlloc2(WindowsApi.CurrentProcessHandle, IntPtr.Zero, size, flags, MemoryProtection.NoAccess, IntPtr.Zero, 0);
-
- if (ptr == IntPtr.Zero)
- {
- throw new OutOfMemoryException();
- }
-
- return ptr;
- }
-
- public static bool Commit(IntPtr location, IntPtr size)
- {
- return WindowsApi.VirtualAlloc(location, size, AllocationType.Commit, MemoryProtection.ReadWrite) != IntPtr.Zero;
- }
-
- public static bool Decommit(IntPtr location, IntPtr size)
- {
- return WindowsApi.VirtualFree(location, size, AllocationType.Decommit);
- }
-
- public static void MapView(IntPtr sharedMemory, ulong srcOffset, IntPtr location, IntPtr size, MemoryBlock owner)
- {
- _placeholders.MapView(sharedMemory, srcOffset, location, size, owner);
- }
-
- public static void UnmapView(IntPtr sharedMemory, IntPtr location, IntPtr size, MemoryBlock owner)
- {
- _placeholders.UnmapView(sharedMemory, location, size, owner);
- }
-
- public static bool Reprotect(IntPtr address, IntPtr size, MemoryPermission permission, bool forView)
- {
- if (forView)
- {
- return _placeholders.ReprotectView(address, size, permission);
- }
- else
- {
- return WindowsApi.VirtualProtect(address, size, WindowsApi.GetProtection(permission), out _);
- }
- }
-
- public static bool Free(IntPtr address, IntPtr size)
- {
- _placeholders.UnreserveRange((ulong)address, (ulong)size);
-
- return WindowsApi.VirtualFree(address, IntPtr.Zero, AllocationType.Release);
- }
-
- public static IntPtr CreateSharedMemory(IntPtr size, bool reserve)
- {
- var prot = reserve ? FileMapProtection.SectionReserve : FileMapProtection.SectionCommit;
-
- IntPtr handle = WindowsApi.CreateFileMapping(
- WindowsApi.InvalidHandleValue,
- IntPtr.Zero,
- FileMapProtection.PageReadWrite | prot,
- (uint)(size.ToInt64() >> 32),
- (uint)size.ToInt64(),
- null);
-
- if (handle == IntPtr.Zero)
- {
- throw new OutOfMemoryException();
- }
-
- return handle;
- }
-
- public static void DestroySharedMemory(IntPtr handle)
- {
- if (!WindowsApi.CloseHandle(handle))
- {
- throw new ArgumentException("Invalid handle.", nameof(handle));
- }
- }
-
- public static IntPtr MapSharedMemory(IntPtr handle)
- {
- IntPtr ptr = WindowsApi.MapViewOfFile(handle, 4 | 2, 0, 0, IntPtr.Zero);
-
- if (ptr == IntPtr.Zero)
- {
- throw new OutOfMemoryException();
- }
-
- return ptr;
- }
-
- public static void UnmapSharedMemory(IntPtr address)
- {
- if (!WindowsApi.UnmapViewOfFile(address))
- {
- throw new ArgumentException("Invalid address.", nameof(address));
- }
- }
- }
-} \ No newline at end of file