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Implement support for page sizes > 4KB (#4252)

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* Implement support for page sizes > 4KB

* Check and work around more alignment issues

* Was not meant to change this

* Use MemoryBlock.GetPageSize() value for signal handler code

* Do not take the path for private allocations if host supports 4KB pages

* Add Flags attribute on MemoryMapFlags

* Fix dirty region size with 16kb pages

Would accidentally report a size that was too high (generally 16k instead of 4k, uploading 4x as much data)

Co-authored-by: riperiperi <rhy3756547@hotmail.com>
This commit is contained in:
gdkchan 2023-01-17 01:13:24 -03:00 committed by GitHub
parent 43a83a401e
commit 86fd0643c2
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
29 changed files with 1294 additions and 146 deletions
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2
ARMeilleure/Memory/IJitMemoryAllocator.cs
View file

@ -4,5 +4,7 @@
{
IJitMemoryBlock Allocate(ulong size);
IJitMemoryBlock Reserve(ulong size);
ulong GetPageSize();
}
}

24
ARMeilleure/Signal/NativeSignalHandler.cs
View file

@ -71,8 +71,8 @@ namespace ARMeilleure.Signal
private const uint EXCEPTION_ACCESS_VIOLATION = 0xc0000005;
private static ulong _pageSize = GetPageSize();
private static ulong _pageMask = _pageSize - 1;
private static ulong _pageSize;
private static ulong _pageMask;
private static IntPtr _handlerConfig;
private static IntPtr _signalHandlerPtr;
@ -81,19 +81,6 @@ namespace ARMeilleure.Signal
private static readonly object _lock = new object();
private static bool _initialized;
private static ulong GetPageSize()
{
// TODO: This needs to be based on the current memory manager configuration.
if (OperatingSystem.IsMacOS() && RuntimeInformation.ProcessArchitecture == Architecture.Arm64)
{
return 1UL << 14;
}
else
{
return 1UL << 12;
}
}
static NativeSignalHandler()
{
_handlerConfig = Marshal.AllocHGlobal(Unsafe.SizeOf<SignalHandlerConfig>());
@ -102,12 +89,12 @@ namespace ARMeilleure.Signal
config = new SignalHandlerConfig();
}
public static void InitializeJitCache(IJitMemoryAllocator allocator)
public static void Initialize(IJitMemoryAllocator allocator)
{
JitCache.Initialize(allocator);
}
public static void InitializeSignalHandler(Func<IntPtr, IntPtr, IntPtr> customSignalHandlerFactory = null)
public static void InitializeSignalHandler(ulong pageSize, Func<IntPtr, IntPtr, IntPtr> customSignalHandlerFactory = null)
{
if (_initialized) return;
@ -115,6 +102,9 @@ namespace ARMeilleure.Signal
{
if (_initialized) return;
_pageSize = pageSize;
_pageMask = pageSize - 1;
ref SignalHandlerConfig config = ref GetConfigRef();
if (OperatingSystem.IsLinux() || OperatingSystem.IsMacOS())

2
ARMeilleure/Translation/Translator.cs
View file

@ -81,7 +81,7 @@ namespace ARMeilleure.Translation
if (memory.Type.IsHostMapped())
{
NativeSignalHandler.InitializeSignalHandler();
NativeSignalHandler.InitializeSignalHandler(allocator.GetPageSize());
}
}

470
Ryujinx.Cpu/AddressSpace.cs Normal file
View file

@ -0,0 +1,470 @@
using Ryujinx.Common;
using Ryujinx.Common.Collections;
using Ryujinx.Memory;
using System;
namespace Ryujinx.Cpu
{
class AddressSpace : IDisposable
{
private const ulong PageSize = 0x1000;
private const int DefaultBlockAlignment = 1 << 20;
private enum MappingType : byte
{
None,
Private,
Shared
}
private class Mapping : IntrusiveRedBlackTreeNode<Mapping>, IComparable<Mapping>
{
public ulong Address { get; private set; }
public ulong Size { get; private set; }
public ulong EndAddress => Address + Size;
public MappingType Type { get; private set; }
public Mapping(ulong address, ulong size, MappingType type)
{
Address = address;
Size = size;
Type = type;
}
public Mapping Split(ulong splitAddress)
{
ulong leftSize = splitAddress - Address;
ulong rightSize = EndAddress - splitAddress;
Mapping left = new Mapping(Address, leftSize, Type);
Address = splitAddress;
Size = rightSize;
return left;
}
public void UpdateState(MappingType newType)
{
Type = newType;
}
public void Extend(ulong sizeDelta)
{
Size += sizeDelta;
}
public int CompareTo(Mapping other)
{
if (Address < other.Address)
{
return -1;
}
else if (Address <= other.EndAddress - 1UL)
{
return 0;
}
else
{
return 1;
}
}
}
private class PrivateMapping : IntrusiveRedBlackTreeNode<PrivateMapping>, IComparable<PrivateMapping>
{
public ulong Address { get; private set; }
public ulong Size { get; private set; }
public ulong EndAddress => Address + Size;
public PrivateMemoryAllocation PrivateAllocation { get; private set; }
public PrivateMapping(ulong address, ulong size, PrivateMemoryAllocation privateAllocation)
{
Address = address;
Size = size;
PrivateAllocation = privateAllocation;
}
public PrivateMapping Split(ulong splitAddress)
{
ulong leftSize = splitAddress - Address;
ulong rightSize = EndAddress - splitAddress;
(var leftAllocation, PrivateAllocation) = PrivateAllocation.Split(leftSize);
PrivateMapping left = new PrivateMapping(Address, leftSize, leftAllocation);
Address = splitAddress;
Size = rightSize;
return left;
}
public void Map(MemoryBlock baseBlock, MemoryBlock mirrorBlock, PrivateMemoryAllocation newAllocation)
{
baseBlock.MapView(newAllocation.Memory, newAllocation.Offset, Address, Size);
mirrorBlock.MapView(newAllocation.Memory, newAllocation.Offset, Address, Size);
PrivateAllocation = newAllocation;
}
public void Unmap(MemoryBlock baseBlock, MemoryBlock mirrorBlock)
{
if (PrivateAllocation.IsValid)
{
baseBlock.UnmapView(PrivateAllocation.Memory, Address, Size);
mirrorBlock.UnmapView(PrivateAllocation.Memory, Address, Size);
PrivateAllocation.Dispose();
}
PrivateAllocation = default;
}
public void Extend(ulong sizeDelta)
{
Size += sizeDelta;
}
public int CompareTo(PrivateMapping other)
{
if (Address < other.Address)
{
return -1;
}
else if (Address <= other.EndAddress - 1UL)
{
return 0;
}
else
{
return 1;
}
}
}
private readonly MemoryBlock _backingMemory;
private readonly PrivateMemoryAllocator _privateMemoryAllocator;
private readonly IntrusiveRedBlackTree<Mapping> _mappingTree;
private readonly IntrusiveRedBlackTree<PrivateMapping> _privateTree;
private readonly object _treeLock;
private readonly bool _supports4KBPages;
public MemoryBlock Base { get; }
public MemoryBlock Mirror { get; }
public AddressSpace(MemoryBlock backingMemory, ulong asSize, bool supports4KBPages)
{
if (!supports4KBPages)
{
_privateMemoryAllocator = new PrivateMemoryAllocator(DefaultBlockAlignment, MemoryAllocationFlags.Mirrorable | MemoryAllocationFlags.NoMap);
_mappingTree = new IntrusiveRedBlackTree<Mapping>();
_privateTree = new IntrusiveRedBlackTree<PrivateMapping>();
_treeLock = new object();
_mappingTree.Add(new Mapping(0UL, asSize, MappingType.None));
_privateTree.Add(new PrivateMapping(0UL, asSize, default));
}
_backingMemory = backingMemory;
_supports4KBPages = supports4KBPages;
MemoryAllocationFlags asFlags = MemoryAllocationFlags.Reserve | MemoryAllocationFlags.ViewCompatible;
Base = new MemoryBlock(asSize, asFlags);
Mirror = new MemoryBlock(asSize, asFlags);
}
public void Map(ulong va, ulong pa, ulong size, MemoryMapFlags flags)
{
if (_supports4KBPages)
{
Base.MapView(_backingMemory, pa, va, size);
Mirror.MapView(_backingMemory, pa, va, size);
return;
}
lock (_treeLock)
{
ulong alignment = MemoryBlock.GetPageSize();
bool isAligned = ((va | pa | size) & (alignment - 1)) == 0;
if (flags.HasFlag(MemoryMapFlags.Private) && !isAligned)
{
Update(va, pa, size, MappingType.Private);
}
else
{
// The update method assumes that shared mappings are already aligned.
if (!flags.HasFlag(MemoryMapFlags.Private))
{
if ((va & (alignment - 1)) != (pa & (alignment - 1)))
{
throw new InvalidMemoryRegionException($"Virtual address 0x{va:X} and physical address 0x{pa:X} are misaligned and can't be aligned.");
}
ulong endAddress = va + size;
va = BitUtils.AlignDown(va, alignment);
pa = BitUtils.AlignDown(pa, alignment);
size = BitUtils.AlignUp(endAddress, alignment) - va;
}
Update(va, pa, size, MappingType.Shared);
}
}
}
public void Unmap(ulong va, ulong size)
{
if (_supports4KBPages)
{
Base.UnmapView(_backingMemory, va, size);
Mirror.UnmapView(_backingMemory, va, size);
return;
}
lock (_treeLock)
{
Update(va, 0UL, size, MappingType.None);
}
}
private void Update(ulong va, ulong pa, ulong size, MappingType type)
{
Mapping map = _mappingTree.GetNode(new Mapping(va, 1UL, MappingType.None));
Update(map, va, pa, size, type);
}
private Mapping Update(Mapping map, ulong va, ulong pa, ulong size, MappingType type)
{
ulong endAddress = va + size;
for (; map != null; map = map.Successor)
{
if (map.Address < va)
{
_mappingTree.Add(map.Split(va));
}
if (map.EndAddress > endAddress)
{
Mapping newMap = map.Split(endAddress);
_mappingTree.Add(newMap);
map = newMap;
}
switch (type)
{
case MappingType.None:
if (map.Type == MappingType.Shared)
{
ulong startOffset = map.Address - va;
ulong mapVa = va + startOffset;
ulong mapSize = Math.Min(size - startOffset, map.Size);
ulong mapEndAddress = mapVa + mapSize;
ulong alignment = MemoryBlock.GetPageSize();
mapVa = BitUtils.AlignDown(mapVa, alignment);
mapEndAddress = BitUtils.AlignUp(mapEndAddress, alignment);
mapSize = mapEndAddress - mapVa;
Base.UnmapView(_backingMemory, mapVa, mapSize);
Mirror.UnmapView(_backingMemory, mapVa, mapSize);
}
else
{
UnmapPrivate(va, size);
}
break;
case MappingType.Private:
if (map.Type == MappingType.Shared)
{
throw new InvalidMemoryRegionException($"Private mapping request at 0x{va:X} with size 0x{size:X} overlaps shared mapping at 0x{map.Address:X} with size 0x{map.Size:X}.");
}
else
{
MapPrivate(va, size);
}
break;
case MappingType.Shared:
if (map.Type != MappingType.None)
{
throw new InvalidMemoryRegionException($"Shared mapping request at 0x{va:X} with size 0x{size:X} overlaps mapping at 0x{map.Address:X} with size 0x{map.Size:X}.");
}
else
{
ulong startOffset = map.Address - va;
ulong mapPa = pa + startOffset;
ulong mapVa = va + startOffset;
ulong mapSize = Math.Min(size - startOffset, map.Size);
Base.MapView(_backingMemory, mapPa, mapVa, mapSize);
Mirror.MapView(_backingMemory, mapPa, mapVa, mapSize);
}
break;
}
map.UpdateState(type);
map = TryCoalesce(map);
if (map.EndAddress >= endAddress)
{
break;
}
}
return map;
}
private Mapping TryCoalesce(Mapping map)
{
Mapping previousMap = map.Predecessor;
Mapping nextMap = map.Successor;
if (previousMap != null && CanCoalesce(previousMap, map))
{
previousMap.Extend(map.Size);
_mappingTree.Remove(map);
map = previousMap;
}
if (nextMap != null && CanCoalesce(map, nextMap))
{
map.Extend(nextMap.Size);
_mappingTree.Remove(nextMap);
}
return map;
}
private static bool CanCoalesce(Mapping left, Mapping right)
{
return left.Type == right.Type;
}
private void MapPrivate(ulong va, ulong size)
{
ulong endAddress = va + size;
ulong alignment = MemoryBlock.GetPageSize();
// Expand the range outwards based on page size to ensure that at least the requested region is mapped.
ulong vaAligned = BitUtils.AlignDown(va, alignment);
ulong endAddressAligned = BitUtils.AlignUp(endAddress, alignment);
ulong sizeAligned = endAddressAligned - vaAligned;
PrivateMapping map = _privateTree.GetNode(new PrivateMapping(va, 1UL, default));
for (; map != null; map = map.Successor)
{
if (!map.PrivateAllocation.IsValid)
{
if (map.Address < vaAligned)
{
_privateTree.Add(map.Split(vaAligned));
}
if (map.EndAddress > endAddressAligned)
{
PrivateMapping newMap = map.Split(endAddressAligned);
_privateTree.Add(newMap);
map = newMap;
}
map.Map(Base, Mirror, _privateMemoryAllocator.Allocate(map.Size, MemoryBlock.GetPageSize()));
}
if (map.EndAddress >= endAddressAligned)
{
break;
}
}
}
private void UnmapPrivate(ulong va, ulong size)
{
ulong endAddress = va + size;
ulong alignment = MemoryBlock.GetPageSize();
// Shrink the range inwards based on page size to ensure we won't unmap memory that might be still in use.
ulong vaAligned = BitUtils.AlignUp(va, alignment);
ulong endAddressAligned = BitUtils.AlignDown(endAddress, alignment);
if (endAddressAligned <= vaAligned)
{
return;
}
ulong alignedSize = endAddressAligned - vaAligned;
PrivateMapping map = _privateTree.GetNode(new PrivateMapping(va, 1UL, default));
for (; map != null; map = map.Successor)
{
if (map.PrivateAllocation.IsValid)
{
if (map.Address < vaAligned)
{
_privateTree.Add(map.Split(vaAligned));
}
if (map.EndAddress > endAddressAligned)
{
PrivateMapping newMap = map.Split(endAddressAligned);
_privateTree.Add(newMap);
map = newMap;
}
map.Unmap(Base, Mirror);
map = TryCoalesce(map);
}
if (map.EndAddress >= endAddressAligned)
{
break;
}
}
}
private PrivateMapping TryCoalesce(PrivateMapping map)
{
PrivateMapping previousMap = map.Predecessor;
PrivateMapping nextMap = map.Successor;
if (previousMap != null && CanCoalesce(previousMap, map))
{
previousMap.Extend(map.Size);
_privateTree.Remove(map);
map = previousMap;
}
if (nextMap != null && CanCoalesce(map, nextMap))
{
map.Extend(nextMap.Size);
_privateTree.Remove(nextMap);
}
return map;
}
private static bool CanCoalesce(PrivateMapping left, PrivateMapping right)
{
return !left.PrivateAllocation.IsValid && !right.PrivateAllocation.IsValid;
}
public void Dispose()
{
_privateMemoryAllocator.Dispose();
Base.Dispose();
Mirror.Dispose();
}
}
}

2
Ryujinx.Cpu/Jit/JitMemoryAllocator.cs
View file

@ -7,5 +7,7 @@ namespace Ryujinx.Cpu.Jit
{
public IJitMemoryBlock Allocate(ulong size) => new JitMemoryBlock(size, MemoryAllocationFlags.None);
public IJitMemoryBlock Reserve(ulong size) => new JitMemoryBlock(size, MemoryAllocationFlags.Reserve | MemoryAllocationFlags.Jit);
public ulong GetPageSize() => MemoryBlock.GetPageSize();
}
}

43
Ryujinx.Cpu/Jit/MemoryManager.cs
View file

@ -28,6 +28,9 @@ namespace Ryujinx.Cpu.Jit
private readonly MemoryBlock _backingMemory;
private readonly InvalidAccessHandler _invalidAccessHandler;
/// <inheritdoc/>
public bool Supports4KBPages => true;
/// <summary>
/// Address space width in bits.
/// </summary>
@ -76,7 +79,7 @@ namespace Ryujinx.Cpu.Jit
}
/// <inheritdoc/>
public void Map(ulong va, ulong pa, ulong size)
public void Map(ulong va, ulong pa, ulong size, MemoryMapFlags flags)
{
AssertValidAddressAndSize(va, size);
@ -91,9 +94,16 @@ namespace Ryujinx.Cpu.Jit
pa += PageSize;
remainingSize -= PageSize;
}
Tracking.Map(oVa, size);
}
/// <inheritdoc/>
public void MapForeign(ulong va, nuint hostPointer, ulong size)
{
throw new NotSupportedException();
}
/// <inheritdoc/>
public void Unmap(ulong va, ulong size)
{
@ -378,6 +388,32 @@ namespace Ryujinx.Cpu.Jit
return true;
}
/// <inheritdoc/>
public IEnumerable<HostMemoryRange> GetHostRegions(ulong va, ulong size)
{
if (size == 0)
{
return Enumerable.Empty<HostMemoryRange>();
}
var guestRegions = GetPhysicalRegionsImpl(va, size);
if (guestRegions == null)
{
return null;
}
var regions = new HostMemoryRange[guestRegions.Count];
for (int i = 0; i < regions.Length; i++)
{
var guestRegion = guestRegions[i];
IntPtr pointer = _backingMemory.GetPointer(guestRegion.Address, guestRegion.Size);
regions[i] = new HostMemoryRange((nuint)(ulong)pointer, guestRegion.Size);
}
return regions;
}
/// <inheritdoc/>
public IEnumerable<MemoryRange> GetPhysicalRegions(ulong va, ulong size)
{
@ -386,6 +422,11 @@ namespace Ryujinx.Cpu.Jit
return Enumerable.Empty<MemoryRange>();
}
return GetPhysicalRegionsImpl(va, size);
}
private List<MemoryRange> GetPhysicalRegionsImpl(ulong va, ulong size)
{
if (!ValidateAddress(va) || !ValidateAddressAndSize(va, size))
{
return null;

63
Ryujinx.Cpu/Jit/MemoryManagerHostMapped.cs
View file

@ -5,6 +5,7 @@ using Ryujinx.Memory.Range;
using Ryujinx.Memory.Tracking;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Threading;
@ -37,20 +38,21 @@ namespace Ryujinx.Cpu.Jit
private readonly InvalidAccessHandler _invalidAccessHandler;
private readonly bool _unsafeMode;
private readonly MemoryBlock _addressSpace;
private readonly MemoryBlock _addressSpaceMirror;
private readonly AddressSpace _addressSpace;
private readonly ulong _addressSpaceSize;
private readonly MemoryBlock _backingMemory;
private readonly PageTable<ulong> _pageTable;
private readonly MemoryEhMeilleure _memoryEh;
private readonly ulong[] _pageBitmap;
/// <inheritdoc/>
public bool Supports4KBPages => MemoryBlock.GetPageSize() == PageSize;
public int AddressSpaceBits { get; }
public IntPtr PageTablePointer => _addressSpace.Pointer;
public IntPtr PageTablePointer => _addressSpace.Base.Pointer;
public MemoryManagerType Type => _unsafeMode ? MemoryManagerType.HostMappedUnsafe : MemoryManagerType.HostMapped;
@ -67,7 +69,6 @@ namespace Ryujinx.Cpu.Jit
/// <param name="invalidAccessHandler">Optional function to handle invalid memory accesses</param>
public MemoryManagerHostMapped(MemoryBlock backingMemory, ulong addressSpaceSize, bool unsafeMode, InvalidAccessHandler invalidAccessHandler = null)
{
_backingMemory = backingMemory;
_pageTable = new PageTable<ulong>();
_invalidAccessHandler = invalidAccessHandler;
_unsafeMode = unsafeMode;
@ -86,13 +87,10 @@ namespace Ryujinx.Cpu.Jit
_pageBitmap = new ulong[1 << (AddressSpaceBits - (PageBits + PageToPteShift))];
MemoryAllocationFlags asFlags = MemoryAllocationFlags.Reserve | MemoryAllocationFlags.ViewCompatible;
_addressSpace = new AddressSpace(backingMemory, asSize, Supports4KBPages);
_addressSpace = new MemoryBlock(asSize, asFlags);
_addressSpaceMirror = new MemoryBlock(asSize, asFlags);
Tracking = new MemoryTracking(this, PageSize, invalidAccessHandler);
_memoryEh = new MemoryEhMeilleure(_addressSpace, _addressSpaceMirror, Tracking);
Tracking = new MemoryTracking(this, (int)MemoryBlock.GetPageSize(), invalidAccessHandler);
_memoryEh = new MemoryEhMeilleure(_addressSpace.Base, _addressSpace.Mirror, Tracking);
}
/// <summary>
@ -145,18 +143,23 @@ namespace Ryujinx.Cpu.Jit
}
/// <inheritdoc/>
public void Map(ulong va, ulong pa, ulong size)
public void Map(ulong va, ulong pa, ulong size, MemoryMapFlags flags)
{
AssertValidAddressAndSize(va, size);
_addressSpace.MapView(_backingMemory, pa, va, size);
_addressSpaceMirror.MapView(_backingMemory, pa, va, size);
_addressSpace.Map(va, pa, size, flags);
AddMapping(va, size);
PtMap(va, pa, size);
Tracking.Map(va, size);
}
/// <inheritdoc/>
public void MapForeign(ulong va, nuint hostPointer, ulong size)
{
throw new NotSupportedException();
}
/// <inheritdoc/>
public void Unmap(ulong va, ulong size)
{
@ -167,8 +170,7 @@ namespace Ryujinx.Cpu.Jit
RemoveMapping(va, size);
PtUnmap(va, size);
_addressSpace.UnmapView(_backingMemory, va, size);
_addressSpaceMirror.UnmapView(_backingMemory, va, size);
_addressSpace.Unmap(va, size);
}
private void PtMap(ulong va, ulong pa, ulong size)
@ -201,7 +203,7 @@ namespace Ryujinx.Cpu.Jit
{
AssertMapped(va, (ulong)Unsafe.SizeOf<T>());
return _addressSpaceMirror.Read<T>(va);
return _addressSpace.Mirror.Read<T>(va);
}
catch (InvalidMemoryRegionException)
{
@ -241,7 +243,7 @@ namespace Ryujinx.Cpu.Jit
{
AssertMapped(va, (ulong)data.Length);
_addressSpaceMirror.Read(va, data);
_addressSpace.Mirror.Read(va, data);
}
catch (InvalidMemoryRegionException)
{
@ -260,7 +262,7 @@ namespace Ryujinx.Cpu.Jit
{
SignalMemoryTracking(va, (ulong)Unsafe.SizeOf<T>(), write: true);
_addressSpaceMirror.Write(va, value);
_addressSpace.Mirror.Write(va, value);
}
catch (InvalidMemoryRegionException)
{
@ -278,7 +280,7 @@ namespace Ryujinx.Cpu.Jit
{
SignalMemoryTracking(va, (ulong)data.Length, write: true);
_addressSpaceMirror.Write(va, data);
_addressSpace.Mirror.Write(va, data);
}
catch (InvalidMemoryRegionException)
{
@ -296,7 +298,7 @@ namespace Ryujinx.Cpu.Jit
{
AssertMapped(va, (ulong)data.Length);
_addressSpaceMirror.Write(va, data);
_addressSpace.Mirror.Write(va, data);
}
catch (InvalidMemoryRegionException)
{
@ -314,7 +316,7 @@ namespace Ryujinx.Cpu.Jit
{
SignalMemoryTracking(va, (ulong)data.Length, false);
Span<byte> target = _addressSpaceMirror.GetSpan(va, data.Length);
Span<byte> target = _addressSpace.Mirror.GetSpan(va, data.Length);
bool changed = !data.SequenceEqual(target);
if (changed)
@ -347,7 +349,7 @@ namespace Ryujinx.Cpu.Jit
AssertMapped(va, (ulong)size);
}
return _addressSpaceMirror.GetSpan(va, size);
return _addressSpace.Mirror.GetSpan(va, size);
}
/// <inheritdoc/>
@ -362,7 +364,7 @@ namespace Ryujinx.Cpu.Jit
AssertMapped(va, (ulong)size);
}
return _addressSpaceMirror.GetWritableRegion(va, size);
return _addressSpace.Mirror.GetWritableRegion(va, size);
}
/// <inheritdoc/>
@ -370,7 +372,7 @@ namespace Ryujinx.Cpu.Jit
{
SignalMemoryTracking(va, (ulong)Unsafe.SizeOf<T>(), true);
return ref _addressSpaceMirror.GetRef<T>(va);
return ref _addressSpace.Mirror.GetRef<T>(va);
}
/// <inheritdoc/>
@ -454,6 +456,14 @@ namespace Ryujinx.Cpu.Jit
return true;
}
/// <inheritdoc/>
public IEnumerable<HostMemoryRange> GetHostRegions(ulong va, ulong size)
{
AssertValidAddressAndSize(va, size);
return Enumerable.Repeat(new HostMemoryRange((nuint)(ulong)_addressSpace.Mirror.GetPointer(va, size), size), 1);
}
/// <inheritdoc/>
public IEnumerable<MemoryRange> GetPhysicalRegions(ulong va, ulong size)
{
@ -692,7 +702,7 @@ namespace Ryujinx.Cpu.Jit
_ => MemoryPermission.None
};
_addressSpace.Reprotect(va, size, protection, false);
_addressSpace.Base.Reprotect(va, size, protection, false);
}
/// <inheritdoc/>
@ -799,7 +809,6 @@ namespace Ryujinx.Cpu.Jit
protected override void Destroy()
{
_addressSpace.Dispose();
_addressSpaceMirror.Dispose();
_memoryEh.Dispose();
}

41
Ryujinx.Cpu/PrivateMemoryAllocation.cs Normal file
View file

@ -0,0 +1,41 @@
using Ryujinx.Memory;
using System;
namespace Ryujinx.Cpu
{
struct PrivateMemoryAllocation : IDisposable
{
private readonly PrivateMemoryAllocator _owner;
private readonly PrivateMemoryAllocator.Block _block;
public bool IsValid => _owner != null;
public MemoryBlock Memory => _block?.Memory;
public ulong Offset { get; }
public ulong Size { get; }
public PrivateMemoryAllocation(
PrivateMemoryAllocator owner,
PrivateMemoryAllocator.Block block,
ulong offset,
ulong size)
{
_owner = owner;
_block = block;
Offset = offset;
Size = size;
}
public (PrivateMemoryAllocation, PrivateMemoryAllocation) Split(ulong splitOffset)
{
PrivateMemoryAllocation left = new PrivateMemoryAllocation(_owner, _block, Offset, splitOffset);
PrivateMemoryAllocation right = new PrivateMemoryAllocation(_owner, _block, Offset + splitOffset, Size - splitOffset);
return (left, right);
}
public void Dispose()
{
_owner.Free(_block, Offset, Size);
}
}
}

268
Ryujinx.Cpu/PrivateMemoryAllocator.cs Normal file
View file

@ -0,0 +1,268 @@
using Ryujinx.Common;
using Ryujinx.Memory;
using System;
using System.Collections.Generic;
using System.Diagnostics;
namespace Ryujinx.Cpu
{
class PrivateMemoryAllocator : PrivateMemoryAllocatorImpl<PrivateMemoryAllocator.Block>
{
public const ulong InvalidOffset = ulong.MaxValue;
public class Block : IComparable<Block>
{
public MemoryBlock Memory { get; private set; }
public ulong Size { get; }
private struct Range : IComparable<Range>
{
public ulong Offset { get; }
public ulong Size { get; }
public Range(ulong offset, ulong size)
{
Offset = offset;
Size = size;
}
public int CompareTo(Range other)
{
return Offset.CompareTo(other.Offset);
}
}
private readonly List<Range> _freeRanges;
public Block(MemoryBlock memory, ulong size)
{
Memory = memory;
Size = size;
_freeRanges = new List<Range>
{
new Range(0, size)
};
}
public ulong Allocate(ulong size, ulong alignment)
{
for (int i = 0; i < _freeRanges.Count; i++)
{
var range = _freeRanges[i];
ulong alignedOffset = BitUtils.AlignUp(range.Offset, alignment);
ulong sizeDelta = alignedOffset - range.Offset;
ulong usableSize = range.Size - sizeDelta;
if (sizeDelta < range.Size && usableSize >= size)
{
_freeRanges.RemoveAt(i);
if (sizeDelta != 0)
{
InsertFreeRange(range.Offset, sizeDelta);
}
ulong endOffset = range.Offset + range.Size;
ulong remainingSize = endOffset - (alignedOffset + size);
if (remainingSize != 0)
{
InsertFreeRange(endOffset - remainingSize, remainingSize);
}
return alignedOffset;
}
}
return InvalidOffset;
}
public void Free(ulong offset, ulong size)
{
InsertFreeRangeComingled(offset, size);
}
private void InsertFreeRange(ulong offset, ulong size)
{
var range = new Range(offset, size);
int index = _freeRanges.BinarySearch(range);
if (index < 0)
{
index = ~index;
}
_freeRanges.Insert(index, range);
}
private void InsertFreeRangeComingled(ulong offset, ulong size)
{
ulong endOffset = offset + size;
var range = new Range(offset, size);
int index = _freeRanges.BinarySearch(range);
if (index < 0)
{
index = ~index;
}
if (index < _freeRanges.Count && _freeRanges[index].Offset == endOffset)
{
endOffset = _freeRanges[index].Offset + _freeRanges[index].Size;
_freeRanges.RemoveAt(index);
}
if (index > 0 && _freeRanges[index - 1].Offset + _freeRanges[index - 1].Size == offset)
{
offset = _freeRanges[index - 1].Offset;
_freeRanges.RemoveAt(--index);
}
range = new Range(offset, endOffset - offset);
_freeRanges.Insert(index, range);
}
public bool IsTotallyFree()
{
if (_freeRanges.Count == 1 && _freeRanges[0].Size == Size)
{
Debug.Assert(_freeRanges[0].Offset == 0);
return true;
}
return false;
}
public int CompareTo(Block other)
{
return Size.CompareTo(other.Size);
}
public virtual void Destroy()
{
Memory.Dispose();
}
}
public PrivateMemoryAllocator(int blockAlignment, MemoryAllocationFlags allocationFlags) : base(blockAlignment, allocationFlags)
{
}
public PrivateMemoryAllocation Allocate(ulong size, ulong alignment)
{
var allocation = Allocate(size, alignment, CreateBlock);
return new PrivateMemoryAllocation(this, allocation.Block, allocation.Offset, allocation.Size);
}
private Block CreateBlock(MemoryBlock memory, ulong size)
{
return new Block(memory, size);
}
}
class PrivateMemoryAllocatorImpl<T> : IDisposable where T : PrivateMemoryAllocator.Block
{
private const ulong InvalidOffset = ulong.MaxValue;
public struct Allocation
{
public T Block { get; }
public ulong Offset { get; }
public ulong Size { get; }
public Allocation(T block, ulong offset, ulong size)
{
Block = block;
Offset = offset;
Size = size;
}
}
private readonly List<T> _blocks;
private readonly int _blockAlignment;
private readonly MemoryAllocationFlags _allocationFlags;
public PrivateMemoryAllocatorImpl(int blockAlignment, MemoryAllocationFlags allocationFlags)
{
_blocks = new List<T>();
_blockAlignment = blockAlignment;
_allocationFlags = allocationFlags;
}
protected Allocation Allocate(ulong size, ulong alignment, Func<MemoryBlock, ulong, T> createBlock)
{
// Ensure we have a sane alignment value.
if ((ulong)(int)alignment != alignment || (int)alignment <= 0)
{
throw new ArgumentOutOfRangeException(nameof(alignment), $"Invalid alignment 0x{alignment:X}.");
}
for (int i = 0; i < _blocks.Count; i++)
{
var block = _blocks[i];
if (block.Size >= size)
{
ulong offset = block.Allocate(size, alignment);
if (offset != InvalidOffset)
{
return new Allocation(block, offset, size);
}
}
}
ulong blockAlignedSize = BitUtils.AlignUp(size, (ulong)_blockAlignment);
var memory = new MemoryBlock(blockAlignedSize, _allocationFlags);
var newBlock = createBlock(memory, blockAlignedSize);
InsertBlock(newBlock);
ulong newBlockOffset = newBlock.Allocate(size, alignment);
Debug.Assert(newBlockOffset != InvalidOffset);
return new Allocation(newBlock, newBlockOffset, size);
}
public void Free(PrivateMemoryAllocator.Block block, ulong offset, ulong size)
{
block.Free(offset, size);
if (block.IsTotallyFree())
{
for (int i = 0; i < _blocks.Count; i++)
{
if (_blocks[i] == block)
{
_blocks.RemoveAt(i);
break;
}
}
block.Destroy();
}
}
private void InsertBlock(T block)
{
int index = _blocks.BinarySearch(block);
if (index < 0)
{
index = ~index;
}
_blocks.Insert(index, block);
}
public void Dispose()
{
for (int i = 0; i < _blocks.Count; i++)
{
_blocks[i].Destroy();
}
_blocks.Clear();
}
}
}

8
Ryujinx.Graphics.Gpu/Image/TextureGroup.cs
View file

@ -1420,6 +1420,14 @@ namespace Ryujinx.Graphics.Gpu.Image
/// <param name="size">The size of the flushing memory access</param>
public void FlushAction(TextureGroupHandle handle, ulong address, ulong size)
{
// If the page size is larger than 4KB, we will have a lot of false positives for flushing.
// Let's avoid flushing textures that are unlikely to be read from CPU to improve performance
// on those platforms.
if (!_physicalMemory.Supports4KBPages && !Storage.Info.IsLinear && !_context.IsGpuThread())
{
return;
}
// There is a small gap here where the action is removed but _actionRegistered is still 1.
// In this case it will skip registering the action, but here we are already handling it,
// so there shouldn't be any issue as it's the same handler for all actions.

17
Ryujinx.Graphics.Gpu/Memory/Buffer.cs
View file

@ -470,19 +470,16 @@ namespace Ryujinx.Graphics.Gpu.Memory
return false;
}
if (address < Address)
ulong maxAddress = Math.Max(address, Address);
ulong minEndAddress = Math.Min(address + size, Address + Size);
if (maxAddress >= minEndAddress)
{
address = Address;
// Access doesn't overlap.
return false;
}
ulong maxSize = Address + Size - address;
if (size > maxSize)
{
size = maxSize;
}
ForceDirty(address, size);
ForceDirty(maxAddress, minEndAddress - maxAddress);
return true;
}

5
Ryujinx.Graphics.Gpu/Memory/PhysicalMemory.cs
View file

@ -21,6 +21,11 @@ namespace Ryujinx.Graphics.Gpu.Memory
private IVirtualMemoryManagerTracked _cpuMemory;
private int _referenceCount;
/// <summary>
/// Indicates whenever the memory manager supports 4KB pages.
/// </summary>
public bool Supports4KBPages => _cpuMemory.Supports4KBPages;
/// <summary>
/// In-memory shader cache.
/// </summary>

13
Ryujinx.HLE/HOS/Kernel/KernelContext.cs
View file

@ -84,7 +84,7 @@ namespace Ryujinx.HLE.HOS.Kernel
KernelConstants.UserSlabHeapItemSize,
KernelConstants.UserSlabHeapSize);
memory.Commit(KernelConstants.UserSlabHeapBase - DramMemoryMap.DramBase, KernelConstants.UserSlabHeapSize);
CommitMemory(KernelConstants.UserSlabHeapBase - DramMemoryMap.DramBase, KernelConstants.UserSlabHeapSize);
CriticalSection = new KCriticalSection(this);
Schedulers = new KScheduler[KScheduler.CpuCoresCount];
@ -119,6 +119,17 @@ namespace Ryujinx.HLE.HOS.Kernel
new Thread(PreemptionThreadStart) { Name = "HLE.PreemptionThread" }.Start();
}
public void CommitMemory(ulong address, ulong size)
{
ulong alignment = MemoryBlock.GetPageSize();
ulong endAddress = address + size;
address &= ~(alignment - 1);
endAddress = (endAddress + (alignment - 1)) & ~(alignment - 1);
Memory.Commit(address, endAddress - address);
}
public ulong NewThreadUid()
{
return Interlocked.Increment(ref _threadUid) - 1;

2
Ryujinx.HLE/HOS/Kernel/Memory/KMemoryRegionManager.cs
View file

@ -64,7 +64,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
if (address != 0)
{
IncrementPagesReferenceCount(address, pagesCount);
context.Memory.Commit(address - DramMemoryMap.DramBase, pagesCount * KPageTableBase.PageSize);
context.CommitMemory(address - DramMemoryMap.DramBase, pagesCount * KPageTableBase.PageSize);
}
return address;

54
Ryujinx.HLE/HOS/Kernel/Memory/KPageTable.cs
View file

@ -1,6 +1,8 @@
using Ryujinx.Horizon.Common;
using Ryujinx.Memory;
using Ryujinx.Memory.Range;
using System;
using System.Collections.Generic;
using System.Diagnostics;
namespace Ryujinx.HLE.HOS.Kernel.Memory
@ -9,11 +11,19 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
{
private readonly IVirtualMemoryManager _cpuMemory;
protected override bool Supports4KBPages => _cpuMemory.Supports4KBPages;
public KPageTable(KernelContext context, IVirtualMemoryManager cpuMemory) : base(context)
{
_cpuMemory = cpuMemory;
}
/// <inheritdoc/>
protected override IEnumerable<HostMemoryRange> GetHostRegions(ulong va, ulong size)
{
return _cpuMemory.GetHostRegions(va, size);
}
/// <inheritdoc/>
protected override void GetPhysicalRegions(ulong va, ulong size, KPageList pageList)
{
@ -43,7 +53,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
return result;
}
result = MapPages(dst, pageList, newDstPermission, false, 0);
result = MapPages(dst, pageList, newDstPermission, MemoryMapFlags.Private, false, 0);
if (result != Result.Success)
{
@ -81,7 +91,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
if (result != Result.Success)
{
Result mapResult = MapPages(dst, dstPageList, oldDstPermission, false, 0);
Result mapResult = MapPages(dst, dstPageList, oldDstPermission, MemoryMapFlags.Private, false, 0);
Debug.Assert(mapResult == Result.Success);
}
@ -89,13 +99,20 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
}
/// <inheritdoc/>
protected override Result MapPages(ulong dstVa, ulong pagesCount, ulong srcPa, KMemoryPermission permission, bool shouldFillPages, byte fillValue)
protected override Result MapPages(
ulong dstVa,
ulong pagesCount,
ulong srcPa,
KMemoryPermission permission,
MemoryMapFlags flags,
bool shouldFillPages,
byte fillValue)
{
ulong size = pagesCount * PageSize;
Context.Memory.Commit(srcPa - DramMemoryMap.DramBase, size);
Context.CommitMemory(srcPa - DramMemoryMap.DramBase, size);
_cpuMemory.Map(dstVa, srcPa - DramMemoryMap.DramBase, size);
_cpuMemory.Map(dstVa, srcPa - DramMemoryMap.DramBase, size, flags);
if (DramMemoryMap.IsHeapPhysicalAddress(srcPa))
{
@ -111,7 +128,13 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
}
/// <inheritdoc/>
protected override Result MapPages(ulong address, KPageList pageList, KMemoryPermission permission, bool shouldFillPages, byte fillValue)
protected override Result MapPages(
ulong address,
KPageList pageList,
KMemoryPermission permission,
MemoryMapFlags flags,
bool shouldFillPages,
byte fillValue)
{
using var scopedPageList = new KScopedPageList(Context.MemoryManager, pageList);
@ -122,9 +145,9 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
ulong addr = pageNode.Address - DramMemoryMap.DramBase;
ulong size = pageNode.PagesCount * PageSize;
Context.Memory.Commit(addr, size);
Context.CommitMemory(addr, size);
_cpuMemory.Map(currentVa, addr, size);
_cpuMemory.Map(currentVa, addr, size, flags);
if (shouldFillPages)
{
@ -139,6 +162,21 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
return Result.Success;
}
/// <inheritdoc/>
protected override Result MapForeign(IEnumerable<HostMemoryRange> regions, ulong va, ulong size)
{
ulong offset = 0;
foreach (var region in regions)
{
_cpuMemory.MapForeign(va + offset, region.Address, region.Size);
offset += region.Size;
}
return Result.Success;
}
/// <inheritdoc/>
protected override Result Unmap(ulong address, ulong pagesCount)
{

70
Ryujinx.HLE/HOS/Kernel/Memory/KPageTableBase.cs
View file

@ -1,6 +1,8 @@
using Ryujinx.Common;
using Ryujinx.HLE.HOS.Kernel.Common;
using Ryujinx.HLE.HOS.Kernel.Process;
using Ryujinx.Memory;
using Ryujinx.Memory.Range;
using Ryujinx.Horizon.Common;
using System;
using System.Collections.Generic;
@ -29,6 +31,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
private const int MaxBlocksNeededForInsertion = 2;
protected readonly KernelContext Context;
protected virtual bool Supports4KBPages => true;
public ulong AddrSpaceStart { get; private set; }
public ulong AddrSpaceEnd { get; private set; }
@ -366,7 +369,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
return KernelResult.OutOfResource;
}
Result result = MapPages(address, pageList, permission);
Result result = MapPages(address, pageList, permission, MemoryMapFlags.None);
if (result == Result.Success)
{
@ -502,7 +505,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
if (paIsValid)
{
result = MapPages(address, pagesCount, srcPa, permission);
result = MapPages(address, pagesCount, srcPa, permission, MemoryMapFlags.Private);
}
else
{
@ -565,7 +568,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
using var _ = new OnScopeExit(() => pageList.DecrementPagesReferenceCount(Context.MemoryManager));
return MapPages(address, pageList, permission);
return MapPages(address, pageList, permission, MemoryMapFlags.Private);
}
public Result MapProcessCodeMemory(ulong dst, ulong src, ulong size)
@ -746,7 +749,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
return KernelResult.InvalidMemState;
}
result = MapPages(_currentHeapAddr, pageList, KMemoryPermission.ReadAndWrite, true, (byte)_heapFillValue);
result = MapPages(_currentHeapAddr, pageList, KMemoryPermission.ReadAndWrite, MemoryMapFlags.Private, true, (byte)_heapFillValue);
if (result != Result.Success)
{
@ -1334,7 +1337,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
ulong currentPagesCount = Math.Min(srcPaPages, dstVaPages);
MapPages(dstVa, currentPagesCount, srcPa, KMemoryPermission.ReadAndWrite);
MapPages(dstVa, currentPagesCount, srcPa, KMemoryPermission.ReadAndWrite, MemoryMapFlags.Private);
dstVa += currentPagesCount * PageSize;
srcPa += currentPagesCount * PageSize;
@ -1878,7 +1881,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
Context.Memory.Fill(GetDramAddressFromPa(firstPageFillAddress), unusedSizeAfter, (byte)_ipcFillValue);
}
Result result = MapPages(currentVa, 1, dstFirstPagePa, permission);
Result result = MapPages(currentVa, 1, dstFirstPagePa, permission, MemoryMapFlags.Private);
if (result != Result.Success)
{
@ -1894,10 +1897,19 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
{
ulong alignedSize = endAddrTruncated - addressRounded;
KPageList pageList = new KPageList();
srcPageTable.GetPhysicalRegions(addressRounded, alignedSize, pageList);
Result result;
Result result = MapPages(currentVa, pageList, permission);
if (srcPageTable.Supports4KBPages)
{
KPageList pageList = new KPageList();
srcPageTable.GetPhysicalRegions(addressRounded, alignedSize, pageList);
result = MapPages(currentVa, pageList, permission, MemoryMapFlags.None);
}
else
{
result = MapForeign(srcPageTable.GetHostRegions(addressRounded, alignedSize), currentVa, alignedSize);
}
if (result != Result.Success)
{
@ -1932,7 +1944,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
Context.Memory.Fill(GetDramAddressFromPa(lastPageFillAddr), unusedSizeAfter, (byte)_ipcFillValue);
Result result = MapPages(currentVa, 1, dstLastPagePa, permission);
Result result = MapPages(currentVa, 1, dstLastPagePa, permission, MemoryMapFlags.Private);
if (result != Result.Success)
{
@ -2884,6 +2896,16 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
return StackRegionStart > address || address + size - 1 > StackRegionEnd - 1;
}
/// <summary>
/// Gets the host regions that make up the given virtual address region.
/// If any part of the virtual region is unmapped, null is returned.
/// </summary>
/// <param name="va">Virtual address of the range</param>
/// <param name="size">Size of the range</param>
/// <returns>The host regions</returns>
/// <exception cref="Ryujinx.Memory.InvalidMemoryRegionException">Throw for unhandled invalid or unmapped memory accesses</exception>
protected abstract IEnumerable<HostMemoryRange> GetHostRegions(ulong va, ulong size);
/// <summary>
/// Gets the physical regions that make up the given virtual address region.
/// If any part of the virtual region is unmapped, null is returned.
@ -2936,10 +2958,18 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
/// <param name="pagesCount">Number of pages to map</param>
/// <param name="srcPa">Physical address where the pages should be mapped. May be ignored if aliasing is not supported</param>
/// <param name="permission">Permission of the region to be mapped</param>
/// <param name="flags">Flags controlling the memory map operation</param>
/// <param name="shouldFillPages">Indicate if the pages should be filled with the <paramref name="fillValue"/> value</param>
/// <param name="fillValue">The value used to fill pages when <paramref name="shouldFillPages"/> is set to true</param>
/// <returns>Result of the mapping operation</returns>
protected abstract Result MapPages(ulong dstVa, ulong pagesCount, ulong srcPa, KMemoryPermission permission, bool shouldFillPages = false, byte fillValue = 0);
protected abstract Result MapPages(
ulong dstVa,
ulong pagesCount,
ulong srcPa,
KMemoryPermission permission,
MemoryMapFlags flags,
bool shouldFillPages = false,
byte fillValue = 0);
/// <summary>
/// Maps a region of memory into the specified physical memory region.
@ -2947,10 +2977,26 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
/// <param name="address">Destination virtual address that should be mapped</param>
/// <param name="pageList">List of physical memory pages where the pages should be mapped. May be ignored if aliasing is not supported</param>
/// <param name="permission">Permission of the region to be mapped</param>
/// <param name="flags">Flags controlling the memory map operation</param>
/// <param name="shouldFillPages">Indicate if the pages should be filled with the <paramref name="fillValue"/> value</param>
/// <param name="fillValue">The value used to fill pages when <paramref name="shouldFillPages"/> is set to true</param>
/// <returns>Result of the mapping operation</returns>
protected abstract Result MapPages(ulong address, KPageList pageList, KMemoryPermission permission, bool shouldFillPages = false, byte fillValue = 0);
protected abstract Result MapPages(
ulong address,
KPageList pageList,
KMemoryPermission permission,
MemoryMapFlags flags,
bool shouldFillPages = false,
byte fillValue = 0);
/// <summary>
/// Maps pages into an arbitrary host memory location.
/// </summary>
/// <param name="regions">Host regions to be mapped into the specified virtual memory region</param>
/// <param name="va">Destination virtual address of the range on this page table</param>
/// <param name="size">Size of the range</param>
/// <returns>Result of the mapping operation</returns>
protected abstract Result MapForeign(IEnumerable<HostMemoryRange> regions, ulong va, ulong size);
/// <summary>
/// Unmaps a region of memory that was previously mapped with one of the page mapping methods.

13
Ryujinx.HLE/HOS/Kernel/Memory/KSharedMemory.cs
View file

@ -2,6 +2,7 @@ using Ryujinx.Common;
using Ryujinx.HLE.HOS.Kernel.Common;
using Ryujinx.HLE.HOS.Kernel.Process;
using Ryujinx.Horizon.Common;
using Ryujinx.Memory;
namespace Ryujinx.HLE.HOS.Kernel.Memory
{
@ -48,7 +49,17 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
return KernelResult.InvalidPermission;
}
return memoryManager.MapPages(address, _pageList, MemoryState.SharedMemory, permission);
// On platforms with page size > 4 KB, this can fail due to the address not being page aligned,
// we can return an error to force the application to retry with a different address.
try
{
return memoryManager.MapPages(address, _pageList, MemoryState.SharedMemory, permission);
}
catch (InvalidMemoryRegionException)
{
return KernelResult.InvalidMemState;
}
}
public Result UnmapFromProcess(KPageTableBase memoryManager, ulong address, ulong size, KProcess process)

2
Ryujinx.HLE/HOS/Kernel/Memory/SharedMemoryStorage.cs
View file

@ -18,7 +18,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
{
ulong address = pageNode.Address - DramMemoryMap.DramBase;
ulong size = pageNode.PagesCount * KPageTableBase.PageSize;
context.Memory.Commit(address, size);
context.CommitMemory(address, size);
}
}

14
Ryujinx.Memory.Tests/MockVirtualMemoryManager.cs
View file

@ -6,6 +6,8 @@ namespace Ryujinx.Memory.Tests
{
public class MockVirtualMemoryManager : IVirtualMemoryManager
{
public bool Supports4KBPages => true;
public bool NoMappings = false;
public event Action<ulong, ulong, MemoryPermission> OnProtect;
@ -14,7 +16,12 @@ namespace Ryujinx.Memory.Tests
{
}
public void Map(ulong va, ulong pa, ulong size)
public void Map(ulong va, ulong pa, ulong size, MemoryMapFlags flags)
{
throw new NotImplementedException();
}
public void MapForeign(ulong va, nuint hostAddress, ulong size)
{
throw new NotImplementedException();
}
@ -64,6 +71,11 @@ namespace Ryujinx.Memory.Tests
throw new NotImplementedException();
}
IEnumerable<HostMemoryRange> IVirtualMemoryManager.GetHostRegions(ulong va, ulong size)
{
throw new NotImplementedException();
}
IEnumerable<MemoryRange> IVirtualMemoryManager.GetPhysicalRegions(ulong va, ulong size)
{
return NoMappings ? new MemoryRange[0] : new MemoryRange[] { new MemoryRange(va, size) };

137
Ryujinx.Memory/AddressSpaceManager.cs
View file

@ -13,9 +13,12 @@ namespace Ryujinx.Memory
/// </summary>
public sealed class AddressSpaceManager : IVirtualMemoryManager, IWritableBlock
{
public const int PageBits = PageTable<ulong>.PageBits;
public const int PageSize = PageTable<ulong>.PageSize;
public const int PageMask = PageTable<ulong>.PageMask;
public const int PageBits = PageTable<nuint>.PageBits;
public const int PageSize = PageTable<nuint>.PageSize;
public const int PageMask = PageTable<nuint>.PageMask;
/// <inheritdoc/>
public bool Supports4KBPages => true;
/// <summary>
/// Address space width in bits.
@ -25,7 +28,7 @@ namespace Ryujinx.Memory
private readonly ulong _addressSpaceSize;
private readonly MemoryBlock _backingMemory;
private readonly PageTable<ulong> _pageTable;
private readonly PageTable<nuint> _pageTable;
/// <summary>
/// Creates a new instance of the memory manager.
@ -46,17 +49,17 @@ namespace Ryujinx.Memory
AddressSpaceBits = asBits;
_addressSpaceSize = asSize;
_backingMemory = backingMemory;
_pageTable = new PageTable<ulong>();
_pageTable = new PageTable<nuint>();
}
/// <inheritdoc/>
public void Map(ulong va, ulong pa, ulong size)
public void Map(ulong va, ulong pa, ulong size, MemoryMapFlags flags)
{
AssertValidAddressAndSize(va, size);
while (size != 0)
{
_pageTable.Map(va, pa);
_pageTable.Map(va, (nuint)(ulong)_backingMemory.GetPointer(pa, PageSize));
va += PageSize;
pa += PageSize;
@ -64,6 +67,21 @@ namespace Ryujinx.Memory
}
}
/// <inheritdoc/>
public void MapForeign(ulong va, nuint hostPointer, ulong size)
{
AssertValidAddressAndSize(va, size);
while (size != 0)
{
_pageTable.Map(va, hostPointer);
va += PageSize;
hostPointer += PageSize;
size -= PageSize;
}
}
/// <inheritdoc/>
public void Unmap(ulong va, ulong size)
{
@ -108,7 +126,7 @@ namespace Ryujinx.Memory
if (IsContiguousAndMapped(va, data.Length))
{
data.CopyTo(_backingMemory.GetSpan(GetPhysicalAddressInternal(va), data.Length));
data.CopyTo(GetHostSpanContiguous(va, data.Length));
}
else
{
@ -116,22 +134,18 @@ namespace Ryujinx.Memory
if ((va & PageMask) != 0)
{
ulong pa = GetPhysicalAddressInternal(va);
size = Math.Min(data.Length, PageSize - (int)(va & PageMask));
data.Slice(0, size).CopyTo(_backingMemory.GetSpan(pa, size));
data.Slice(0, size).CopyTo(GetHostSpanContiguous(va, size));
offset += size;
}
for (; offset < data.Length; offset += size)
{
ulong pa = GetPhysicalAddressInternal(va + (ulong)offset);
size = Math.Min(data.Length - offset, PageSize);
data.Slice(offset, size).CopyTo(_backingMemory.GetSpan(pa, size));
data.Slice(offset, size).CopyTo(GetHostSpanContiguous(va + (ulong)offset, size));
}
}
}
@ -154,7 +168,7 @@ namespace Ryujinx.Memory
if (IsContiguousAndMapped(va, size))
{
return _backingMemory.GetSpan(GetPhysicalAddressInternal(va), size);
return GetHostSpanContiguous(va, size);
}
else
{
@ -176,7 +190,7 @@ namespace Ryujinx.Memory
if (IsContiguousAndMapped(va, size))
{
return new WritableRegion(null, va, _backingMemory.GetMemory(GetPhysicalAddressInternal(va), size));
return new WritableRegion(null, va, new NativeMemoryManager<byte>((byte*)GetHostAddress(va), size).Memory);
}
else
{
@ -189,14 +203,14 @@ namespace Ryujinx.Memory
}
/// <inheritdoc/>
public ref T GetRef<T>(ulong va) where T : unmanaged
public unsafe ref T GetRef<T>(ulong va) where T : unmanaged
{
if (!IsContiguous(va, Unsafe.SizeOf<T>()))
{
ThrowMemoryNotContiguous();
}
return ref _backingMemory.GetRef<T>(GetPhysicalAddressInternal(va));
return ref *(T*)GetHostAddress(va);
}
/// <inheritdoc/>
@ -210,7 +224,7 @@ namespace Ryujinx.Memory
return (int)(vaSpan / PageSize);
}
private static void ThrowMemoryNotContiguous() => throw new MemoryNotContiguousException();
private void ThrowMemoryNotContiguous() => throw new MemoryNotContiguousException();
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private bool IsContiguousAndMapped(ulong va, int size) => IsContiguous(va, size) && IsMapped(va);
@ -232,7 +246,7 @@ namespace Ryujinx.Memory
return false;
}
if (GetPhysicalAddressInternal(va) + PageSize != GetPhysicalAddressInternal(va + PageSize))
if (GetHostAddress(va) + PageSize != GetHostAddress(va + PageSize))
{
return false;
}
@ -243,6 +257,17 @@ namespace Ryujinx.Memory
return true;
}
/// <inheritdoc/>
public IEnumerable<HostMemoryRange> GetHostRegions(ulong va, ulong size)
{
if (size == 0)
{
return Enumerable.Empty<HostMemoryRange>();
}
return GetHostRegionsImpl(va, size);
}
/// <inheritdoc/>
public IEnumerable<MemoryRange> GetPhysicalRegions(ulong va, ulong size)
{
@ -251,6 +276,39 @@ namespace Ryujinx.Memory
return Enumerable.Empty<MemoryRange>();
}
var hostRegions = GetHostRegionsImpl(va, size);
if (hostRegions == null)
{
return null;
}
var regions = new MemoryRange[hostRegions.Count];
ulong backingStart = (ulong)_backingMemory.Pointer;
ulong backingEnd = backingStart + _backingMemory.Size;
int count = 0;
for (int i = 0; i < regions.Length; i++)
{
var hostRegion = hostRegions[i];
if ((ulong)hostRegion.Address >= backingStart && (ulong)hostRegion.Address < backingEnd)
{
regions[count++] = new MemoryRange((ulong)hostRegion.Address - backingStart, hostRegion.Size);
}
}
if (count != regions.Length)
{
return new ArraySegment<MemoryRange>(regions, 0, count);
}
return regions;
}
private List<HostMemoryRange> GetHostRegionsImpl(ulong va, ulong size)
{
if (!ValidateAddress(va) || !ValidateAddressAndSize(va, size))
{
return null;
@ -258,9 +316,9 @@ namespace Ryujinx.Memory
int pages = GetPagesCount(va, (uint)size, out va);
var regions = new List<MemoryRange>();
var regions = new List<HostMemoryRange>();
ulong regionStart = GetPhysicalAddressInternal(va);
nuint regionStart = GetHostAddress(va);
ulong regionSize = PageSize;
for (int page = 0; page < pages - 1; page++)
@ -270,12 +328,12 @@ namespace Ryujinx.Memory
return null;
}
ulong newPa = GetPhysicalAddressInternal(va + PageSize);
nuint newHostAddress = GetHostAddress(va + PageSize);
if (GetPhysicalAddressInternal(va) + PageSize != newPa)
if (GetHostAddress(va) + PageSize != newHostAddress)
{
regions.Add(new MemoryRange(regionStart, regionSize));
regionStart = newPa;
regions.Add(new HostMemoryRange(regionStart, regionSize));
regionStart = newHostAddress;
regionSize = 0;
}
@ -283,7 +341,7 @@ namespace Ryujinx.Memory
regionSize += PageSize;
}
regions.Add(new MemoryRange(regionStart, regionSize));
regions.Add(new HostMemoryRange(regionStart, regionSize));
return regions;
}
@ -301,22 +359,18 @@ namespace Ryujinx.Memory
if ((va & PageMask) != 0)
{
ulong pa = GetPhysicalAddressInternal(va);
size = Math.Min(data.Length, PageSize - (int)(va & PageMask));
_backingMemory.GetSpan(pa, size).CopyTo(data.Slice(0, size));
GetHostSpanContiguous(va, size).CopyTo(data.Slice(0, size));
offset += size;
}
for (; offset < data.Length; offset += size)
{
ulong pa = GetPhysicalAddressInternal(va + (ulong)offset);
size = Math.Min(data.Length - offset, PageSize);
_backingMemory.GetSpan(pa, size).CopyTo(data.Slice(offset, size));
GetHostSpanContiguous(va + (ulong)offset, size).CopyTo(data.Slice(offset, size));
}
}
@ -391,22 +445,23 @@ namespace Ryujinx.Memory
}
}
private ulong GetPhysicalAddressInternal(ulong va)
private unsafe Span<byte> GetHostSpanContiguous(ulong va, int size)
{
return _pageTable.Read(va) + (va & PageMask);
return new Span<byte>((void*)GetHostAddress(va), size);
}
/// <summary>
/// Reprotect a region of virtual memory for tracking. Sets software protection bits.
/// </summary>
/// <param name="va">Virtual address base</param>
/// <param name="size">Size of the region to protect</param>
/// <param name="protection">Memory protection to set</param>
private nuint GetHostAddress(ulong va)
{
return _pageTable.Read(va) + (nuint)(va & PageMask);
}
/// <inheritdoc/>
public void TrackingReprotect(ulong va, ulong size, MemoryPermission protection)
{
throw new NotImplementedException();
}
/// <inheritdoc/>
public void SignalMemoryTracking(ulong va, ulong size, bool write, bool precise = false)
{
// Only the ARM Memory Manager has tracking for now.

30
Ryujinx.Memory/IVirtualMemoryManager.cs
View file

@ -6,6 +6,12 @@ namespace Ryujinx.Memory
{
public interface IVirtualMemoryManager
{
/// <summary>
/// Indicates whenever the memory manager supports aliasing pages at 4KB granularity.
/// </summary>
/// <returns>True if 4KB pages are supported by the memory manager, false otherwise</returns>
bool Supports4KBPages { get; }
/// <summary>
/// Maps a virtual memory range into a physical memory range.
/// </summary>
@ -15,7 +21,20 @@ namespace Ryujinx.Memory
/// <param name="va">Virtual memory address</param>
/// <param name="pa">Physical memory address where the region should be mapped to</param>
/// <param name="size">Size to be mapped</param>
void Map(ulong va, ulong pa, ulong size);
/// <param name="flags">Flags controlling memory mapping</param>
void Map(ulong va, ulong pa, ulong size, MemoryMapFlags flags);
/// <summary>
/// Maps a virtual memory range into an arbitrary host memory range.
/// </summary>
/// <remarks>
/// Addresses and size must be page aligned.
/// Not all memory managers supports this feature.
/// </remarks>
/// <param name="va">Virtual memory address</param>
/// <param name="hostPointer">Host pointer where the virtual region should be mapped</param>
/// <param name="size">Size to be mapped</param>
void MapForeign(ulong va, nuint hostPointer, ulong size);
/// <summary>
/// Unmaps a previously mapped range of virtual memory.
@ -115,6 +134,15 @@ namespace Ryujinx.Memory
/// <exception cref="MemoryNotContiguousException">Throw if the specified memory region is not contiguous in physical memory</exception>
ref T GetRef<T>(ulong va) where T : unmanaged;
/// <summary>
/// Gets the host regions that make up the given virtual address region.
/// If any part of the virtual region is unmapped, null is returned.
/// </summary>
/// <param name="va">Virtual address of the range</param>
/// <param name="size">Size of the range</param>
/// <returns>Array of host regions</returns>
IEnumerable<HostMemoryRange> GetHostRegions(ulong va, ulong size);
/// <summary>
/// Gets the physical regions that make up the given virtual address region.
/// If any part of the virtual region is unmapped, null is returned.

23
Ryujinx.Memory/MemoryMapFlags.cs Normal file
View file

@ -0,0 +1,23 @@
using System;
namespace Ryujinx.Memory
{
/// <summary>
/// Flags that indicate how the host memory should be mapped.
/// </summary>
[Flags]
public enum MemoryMapFlags
{
/// <summary>
/// No mapping flags.
/// </summary>
None = 0,
/// <summary>
/// Indicates that the implementation is free to ignore the specified backing memory offset
/// and allocate its own private storage for the mapping.
/// This allows some mappings that would otherwise fail due to host platform restrictions to succeed.
/// </summary>
Private = 1 << 0
}
}

71
Ryujinx.Memory/Range/HostMemoryRange.cs Normal file
View file

@ -0,0 +1,71 @@
using System;
namespace Ryujinx.Memory.Range
{
/// <summary>
/// Range of memory composed of an address and size.
/// </summary>
public struct HostMemoryRange : IEquatable<HostMemoryRange>
{
/// <summary>
/// An empty memory range, with a null address and zero size.
/// </summary>
public static HostMemoryRange Empty => new HostMemoryRange(0, 0);
/// <summary>
/// Start address of the range.
/// </summary>
public nuint Address { get; }
/// <summary>
/// Size of the range in bytes.
/// </summary>
public ulong Size { get; }
/// <summary>
/// Address where the range ends (exclusive).
/// </summary>
public nuint EndAddress => Address + (nuint)Size;
/// <summary>
/// Creates a new memory range with the specified address and size.
/// </summary>
/// <param name="address">Start address</param>
/// <param name="size">Size in bytes</param>
public HostMemoryRange(nuint address, ulong size)
{
Address = address;
Size = size;
}
/// <summary>
/// Checks if the range overlaps with another.
/// </summary>
/// <param name="other">The other range to check for overlap</param>
/// <returns>True if the ranges overlap, false otherwise</returns>
public bool OverlapsWith(HostMemoryRange other)
{
nuint thisAddress = Address;
nuint thisEndAddress = EndAddress;
nuint otherAddress = other.Address;
nuint otherEndAddress = other.EndAddress;
return thisAddress < otherEndAddress && otherAddress < thisEndAddress;
}
public override bool Equals(object obj)
{
return obj is HostMemoryRange other && Equals(other);
}
public bool Equals(HostMemoryRange other)
{
return Address == other.Address && Size == other.Size;
}
public override int GetHashCode()
{
return HashCode.Combine(Address, Size);
}
}
}

10
Ryujinx.Memory/Tracking/MemoryTracking.cs
View file

@ -139,8 +139,6 @@ namespace Ryujinx.Memory.Tracking
/// <returns>The memory tracking handle</returns>
public MultiRegionHandle BeginGranularTracking(ulong address, ulong size, IEnumerable<IRegionHandle> handles, ulong granularity)
{
(address, size) = PageAlign(address, size);
return new MultiRegionHandle(this, address, size, handles, granularity);
}
@ -166,11 +164,11 @@ namespace Ryujinx.Memory.Tracking
/// <returns>The memory tracking handle</returns>
public RegionHandle BeginTracking(ulong address, ulong size)
{
(address, size) = PageAlign(address, size);
var (paAddress, paSize) = PageAlign(address, size);
lock (TrackingLock)
{
RegionHandle handle = new RegionHandle(this, address, size, _memoryManager.IsRangeMapped(address, size));
RegionHandle handle = new RegionHandle(this, paAddress, paSize, address, size, _memoryManager.IsRangeMapped(address, size));
return handle;
}
@ -186,11 +184,11 @@ namespace Ryujinx.Memory.Tracking
/// <returns>The memory tracking handle</returns>
internal RegionHandle BeginTrackingBitmap(ulong address, ulong size, ConcurrentBitmap bitmap, int bit)
{
(address, size) = PageAlign(address, size);
var (paAddress, paSize) = PageAlign(address, size);
lock (TrackingLock)
{
RegionHandle handle = new RegionHandle(this, address, size, bitmap, bit, _memoryManager.IsRangeMapped(address, size));
RegionHandle handle = new RegionHandle(this, paAddress, paSize, address, size, bitmap, bit, _memoryManager.IsRangeMapped(address, size));
return handle;
}

21
Ryujinx.Memory/Tracking/MultiRegionHandle.cs
View file

@ -32,7 +32,7 @@ namespace Ryujinx.Memory.Tracking
internal MultiRegionHandle(MemoryTracking tracking, ulong address, ulong size, IEnumerable<IRegionHandle> handles, ulong granularity)
{
_handles = new RegionHandle[size / granularity];
_handles = new RegionHandle[(size + granularity - 1) / granularity];
Granularity = granularity;
_dirtyBitmap = new ConcurrentBitmap(_handles.Length, true);
@ -50,7 +50,7 @@ namespace Ryujinx.Memory.Tracking
foreach (RegionHandle handle in handles)
{
int startIndex = (int)((handle.Address - address) / granularity);
int startIndex = (int)((handle.RealAddress - address) / granularity);
// Fill any gap left before this handle.
while (i < startIndex)
@ -72,7 +72,7 @@ namespace Ryujinx.Memory.Tracking
}
else
{
int endIndex = (int)((handle.EndAddress - address) / granularity);
int endIndex = (int)((handle.RealEndAddress - address) / granularity);
while (i < endIndex)
{
@ -171,12 +171,13 @@ namespace Ryujinx.Memory.Tracking
modifiedAction(rgStart, rgSize);
rgSize = 0;
}
rgStart = handle.Address;
rgStart = handle.RealAddress;
}
if (handle.Dirty)
{
rgSize += handle.Size;
rgSize += handle.RealSize;
handle.Reprotect();
}
@ -191,7 +192,7 @@ namespace Ryujinx.Memory.Tracking
int startHandle = (int)((address - Address) / Granularity);
int lastHandle = (int)((address + (size - 1) - Address) / Granularity);
ulong rgStart = _handles[startHandle].Address;
ulong rgStart = Address + (ulong)startHandle * Granularity;
if (startHandle == lastHandle)
{
@ -200,7 +201,7 @@ namespace Ryujinx.Memory.Tracking
if (handle.Dirty)
{
handle.Reprotect();
modifiedAction(rgStart, handle.Size);
modifiedAction(rgStart, handle.RealSize);
}
return;
@ -273,10 +274,10 @@ namespace Ryujinx.Memory.Tracking
modifiedAction(rgStart, rgSize);
rgSize = 0;
}
rgStart = handle.Address;
rgStart = handle.RealAddress;
}
rgSize += handle.Size;
rgSize += handle.RealSize;
handle.Reprotect(false, (checkMasks[index] & bitValue) == 0);
checkMasks[index] &= ~bitValue;
@ -320,7 +321,7 @@ namespace Ryujinx.Memory.Tracking
{
handle.Reprotect();
modifiedAction(rgStart, handle.Size);
modifiedAction(rgStart, handle.RealSize);
}
}

27
Ryujinx.Memory/Tracking/RegionHandle.cs
View file

@ -42,6 +42,10 @@ namespace Ryujinx.Memory.Tracking
public ulong Size { get; }
public ulong EndAddress { get; }
public ulong RealAddress { get; }
public ulong RealSize { get; }
public ulong RealEndAddress { get; }
internal IMultiRegionHandle Parent { get; set; }
private event Action _onDirty;
@ -89,10 +93,12 @@ namespace Ryujinx.Memory.Tracking
/// <param name="tracking">Tracking object for the target memory block</param>
/// <param name="address">Virtual address of the region to track</param>
/// <param name="size">Size of the region to track</param>
/// <param name="realAddress">The real, unaligned address of the handle</param>
/// <param name="realSize">The real, unaligned size of the handle</param>
/// <param name="bitmap">The bitmap the dirty flag for this handle is stored in</param>
/// <param name="bit">The bit index representing the dirty flag for this handle</param>
/// <param name="mapped">True if the region handle starts mapped</param>
internal RegionHandle(MemoryTracking tracking, ulong address, ulong size, ConcurrentBitmap bitmap, int bit, bool mapped = true)
internal RegionHandle(MemoryTracking tracking, ulong address, ulong size, ulong realAddress, ulong realSize, ConcurrentBitmap bitmap, int bit, bool mapped = true)
{
Bitmap = bitmap;
DirtyBit = bit;
@ -104,6 +110,10 @@ namespace Ryujinx.Memory.Tracking
Size = size;
EndAddress = address + size;
RealAddress = realAddress;
RealSize = realSize;
RealEndAddress = realAddress + realSize;
_tracking = tracking;
_regions = tracking.GetVirtualRegionsForHandle(address, size);
foreach (var region in _regions)
@ -119,16 +129,23 @@ namespace Ryujinx.Memory.Tracking
/// <param name="tracking">Tracking object for the target memory block</param>
/// <param name="address">Virtual address of the region to track</param>
/// <param name="size">Size of the region to track</param>
/// <param name="realAddress">The real, unaligned address of the handle</param>
/// <param name="realSize">The real, unaligned size of the handle</param>
/// <param name="mapped">True if the region handle starts mapped</param>
internal RegionHandle(MemoryTracking tracking, ulong address, ulong size, bool mapped = true)
internal RegionHandle(MemoryTracking tracking, ulong address, ulong size, ulong realAddress, ulong realSize, bool mapped = true)
{
Bitmap = new ConcurrentBitmap(1, mapped);
Unmapped = !mapped;
Address = address;
Size = size;
EndAddress = address + size;
RealAddress = realAddress;
RealSize = realSize;
RealEndAddress = realAddress + realSize;
_tracking = tracking;
_regions = tracking.GetVirtualRegionsForHandle(address, size);
foreach (var region in _regions)
@ -199,6 +216,10 @@ namespace Ryujinx.Memory.Tracking
if (_preAction != null)
{
// Limit the range to within this handle.
ulong maxAddress = Math.Max(address, RealAddress);
ulong minEndAddress = Math.Min(address + size, RealAddress + RealSize);
// Copy the handles list in case it changes when we're out of the lock.
if (handleIterable is List<RegionHandle>)
{
@ -212,7 +233,7 @@ namespace Ryujinx.Memory.Tracking
{
lock (_preActionLock)
{
_preAction?.Invoke(address, size);
_preAction?.Invoke(maxAddress, minEndAddress - maxAddress);
// The action is removed after it returns, to ensure that the null check above succeeds when
// it's still in progress rather than continuing and possibly missing a required data flush.

2
Ryujinx.Tests/Cpu/CpuTest.cs
View file

@ -53,7 +53,7 @@ namespace Ryujinx.Tests.Cpu
_ram = new MemoryBlock(Size * 2);
_memory = new MemoryManager(_ram, 1ul << 16);
_memory.IncrementReferenceCount();
_memory.Map(CodeBaseAddress, 0, Size * 2);
_memory.Map(CodeBaseAddress, 0, Size * 2, MemoryMapFlags.Private);
_context = CpuContext.CreateExecutionContext();
Translator.IsReadyForTranslation.Set();

2
Ryujinx.Tests/Cpu/CpuTest32.cs
View file

@ -48,7 +48,7 @@ namespace Ryujinx.Tests.Cpu
_ram = new MemoryBlock(Size * 2);
_memory = new MemoryManager(_ram, 1ul << 16);
_memory.IncrementReferenceCount();
_memory.Map(CodeBaseAddress, 0, Size * 2);
_memory.Map(CodeBaseAddress, 0, Size * 2, MemoryMapFlags.Private);
_context = CpuContext.CreateExecutionContext();
_context.IsAarch32 = true;