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Support memory aliasing (#2954)

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* Back to the origins: Make memory manager take guest PA rather than host address once again

* Direct mapping with alias support on Windows

* Fixes and remove more of the emulated shared memory

* Linux support

* Make shared and transfer memory not depend on SharedMemoryStorage

* More efficient view mapping on Windows (no more restricted to 4KB pages at a time)

* Handle potential access violations caused by partial unmap

* Implement host mapping using shared memory on Linux

* Add new GetPhysicalAddressChecked method, used to ensure the virtual address is mapped before address translation

Also align GetRef behaviour with software memory manager

* We don't need a mirrorable memory block for software memory manager mode

* Disable memory aliasing tests while we don't have shared memory support on Mac

* Shared memory & SIGBUS handler for macOS

* Fix typo + nits + re-enable memory tests

* Set MAP_JIT_DARWIN on x86 Mac too

* Add back the address space mirror

* Only set MAP_JIT_DARWIN if we are mapping as executable

* Disable aliasing tests again (still fails on Mac)

* Fix UnmapView4KB (by not casting size to int)

* Use ref counting on memory blocks to delay closing the shared memory handle until all blocks using it are disposed

* Address PR feedback

* Make RO hold a reference to the guest process memory manager to avoid early disposal

Co-authored-by: nastys <nastys@users.noreply.github.com>
This commit is contained in:
gdkchan 2022-05-02 20:30:02 -03:00 • committed by GitHub
parent 4a892fbdc9
commit 95017b8c66
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41 changed files with 2373 additions and 2155 deletions
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26
Ryujinx.Common/Collections/TreeDictionary.cs
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@ -921,10 +921,10 @@ namespace Ryujinx.Common.Collections
public bool IsReadOnly => false;
public V this[K key]
{
public V this[K key]
{
get => Get(key);
set => Add(key, value);
set => Add(key, value);
}
#endregion
@ -967,20 +967,20 @@ namespace Ryujinx.Common.Collections
/// </summary>
/// <typeparam name="K">Key of the node</typeparam>
/// <typeparam name="V">Value of the node</typeparam>
internal class Node<K, V>
class Node<K, V>
{
internal bool Color = true;
internal Node<K, V> Left = null;
internal Node<K, V> Right = null;
internal Node<K, V> Parent = null;
internal K Key;
internal V Value;
public bool Color = true;
public Node<K, V> Left = null;
public Node<K, V> Right = null;
public Node<K, V> Parent = null;
public K Key;
public V Value;
public Node(K key, V value, Node<K, V> parent)
{
this.Key = key;
this.Value = value;
this.Parent = parent;
Key = key;
Value = value;
Parent = parent;
}
}
}