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Fix session service disposal and improve transfer memory implementation (#1397)

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* Fix session service disposal and improve transfer memory implementation

* Remove useless assignment
This commit is contained in:
gdkchan 2020-07-19 15:24:18 -03:00 committed by GitHub
parent 3af2ce74ec
commit e7f2a5ecb7
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 123 additions and 113 deletions
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6
Ryujinx.HLE/HOS/Kernel/Ipc/KClientSession.cs
View file

@ -2,6 +2,7 @@ using Ryujinx.HLE.HOS.Kernel.Common;
using Ryujinx.HLE.HOS.Kernel.Process;
using Ryujinx.HLE.HOS.Kernel.Threading;
using Ryujinx.HLE.HOS.Services;
using System;
namespace Ryujinx.HLE.HOS.Kernel.Ipc
{
@ -83,6 +84,11 @@ namespace Ryujinx.HLE.HOS.Kernel.Ipc
{
_parent.DisconnectClient();
_parent.DecrementReferenceCount();
if (Service is IDisposable disposableObj)
{
disposableObj.Dispose();
}
}
}
}

117
Ryujinx.HLE/HOS/Kernel/Memory/KMemoryManager.cs
View file

@ -1129,82 +1129,6 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
}
}
public KernelResult ReserveTransferMemory(ulong address, ulong size, MemoryPermission permission)
{
lock (_blocks)
{
if (CheckRange(
address,
size,
MemoryState.TransferMemoryAllowed | MemoryState.IsPoolAllocated,
MemoryState.TransferMemoryAllowed | MemoryState.IsPoolAllocated,
MemoryPermission.Mask,
MemoryPermission.ReadAndWrite,
MemoryAttribute.Mask,
MemoryAttribute.None,
MemoryAttribute.IpcAndDeviceMapped,
out MemoryState state,
out _,
out MemoryAttribute attribute))
{
// TODO: Missing checks.
if (!_blockAllocator.CanAllocate(MaxBlocksNeededForInsertion))
{
return KernelResult.OutOfResource;
}
ulong pagesCount = size / PageSize;
attribute |= MemoryAttribute.Borrowed;
InsertBlock(address, pagesCount, state, permission, attribute);
return KernelResult.Success;
}
else
{
return KernelResult.InvalidMemState;
}
}
}
public KernelResult ResetTransferMemory(ulong address, ulong size)
{
lock (_blocks)
{
if (CheckRange(
address,
size,
MemoryState.TransferMemoryAllowed | MemoryState.IsPoolAllocated,
MemoryState.TransferMemoryAllowed | MemoryState.IsPoolAllocated,
MemoryPermission.None,
MemoryPermission.None,
MemoryAttribute.Mask,
MemoryAttribute.Borrowed,
MemoryAttribute.IpcAndDeviceMapped,
out MemoryState state,
out _,
out _))
{
if (!_blockAllocator.CanAllocate(MaxBlocksNeededForInsertion))
{
return KernelResult.OutOfResource;
}
ulong pagesCount = size / PageSize;
InsertBlock(address, pagesCount, state, MemoryPermission.ReadAndWrite);
return KernelResult.Success;
}
else
{
return KernelResult.InvalidMemState;
}
}
}
public KernelResult SetProcessMemoryPermission(ulong address, ulong size, MemoryPermission permission)
{
lock (_blocks)
@ -2195,6 +2119,22 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
MemoryAttribute.Borrowed);
}
public KernelResult BorrowTransferMemory(KPageList pageList, ulong address, ulong size, MemoryPermission permission)
{
return SetAttributesAndChangePermission(
address,
size,
MemoryState.TransferMemoryAllowed,
MemoryState.TransferMemoryAllowed,
MemoryPermission.Mask,
MemoryPermission.ReadAndWrite,
MemoryAttribute.Mask,
MemoryAttribute.None,
permission,
MemoryAttribute.Borrowed,
pageList);
}
private KernelResult SetAttributesAndChangePermission(
ulong address,
ulong size,
@ -2233,14 +2173,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
if (pageList != null)
{
KPageList currPageList = new KPageList();
AddVaRangeToPageList(currPageList, address, pagesCount);
if (!currPageList.IsEqual(pageList))
{
return KernelResult.InvalidMemRange;
}
AddVaRangeToPageList(pageList, address, pagesCount);
}
if (!_blockAllocator.CanAllocate(MaxBlocksNeededForInsertion))
@ -2297,6 +2230,22 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
MemoryAttribute.Borrowed);
}
public KernelResult UnborrowTransferMemory(ulong address, ulong size, KPageList pageList)
{
return ClearAttributesAndChangePermission(
address,
size,
MemoryState.TransferMemoryAllowed,
MemoryState.TransferMemoryAllowed,
MemoryPermission.None,
MemoryPermission.None,
MemoryAttribute.Mask,
MemoryAttribute.Borrowed,
MemoryPermission.ReadAndWrite,
MemoryAttribute.Borrowed,
pageList);
}
private KernelResult ClearAttributesAndChangePermission(
ulong address,
ulong size,

55
Ryujinx.HLE/HOS/Kernel/Memory/KTransferMemory.cs
View file

@ -1,16 +1,63 @@
using Ryujinx.HLE.HOS.Kernel.Common;
using Ryujinx.HLE.HOS.Kernel.Process;
using System;
namespace Ryujinx.HLE.HOS.Kernel.Memory
{
class KTransferMemory : KAutoObject
{
public ulong Address { get; private set; }
public ulong Size { get; private set; }
private KProcess _creator;
public KTransferMemory(KernelContext context, ulong address, ulong size) : base(context)
private readonly KPageList _pageList;
public ulong Address { get; private set; }
public ulong Size => _pageList.GetPagesCount() * KMemoryManager.PageSize;
public MemoryPermission Permission { get; private set; }
private bool _hasBeenInitialized;
private bool _isMapped;
public KTransferMemory(KernelContext context) : base(context)
{
_pageList = new KPageList();
}
public KernelResult Initialize(ulong address, ulong size, MemoryPermission permission)
{
KProcess creator = KernelContext.Scheduler.GetCurrentProcess();
_creator = creator;
KernelResult result = creator.MemoryManager.BorrowTransferMemory(_pageList, address, size, permission);
if (result != KernelResult.Success)
{
return result;
}
creator.IncrementReferenceCount();
Permission = permission;
Address = address;
Size = size;
_hasBeenInitialized = true;
_isMapped = false;
return result;
}
protected override void Destroy()
{
if (_hasBeenInitialized)
{
if (!_isMapped && _creator.MemoryManager.UnborrowTransferMemory(Address, Size, _pageList) != KernelResult.Success)
{
throw new InvalidOperationException("Unexpected failure restoring transfer memory attributes.");
}
_creator.ResourceLimit?.Release(LimitableResource.TransferMemory, 1);
_creator.DecrementReferenceCount();
}
}
}
}

55
Ryujinx.HLE/HOS/Kernel/SupervisorCall/Syscall.cs
View file

@ -991,16 +991,41 @@ namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
KProcess process = _context.Scheduler.GetCurrentProcess();
KernelResult result = process.MemoryManager.ReserveTransferMemory(address, size, permission);
KResourceLimit resourceLimit = process.ResourceLimit;
if (resourceLimit != null && !resourceLimit.Reserve(LimitableResource.TransferMemory, 1))
{
return KernelResult.ResLimitExceeded;
}
void CleanUpForError()
{
resourceLimit?.Release(LimitableResource.TransferMemory, 1);
}
if (!process.MemoryManager.InsideAddrSpace(address, size))
{
CleanUpForError();
return KernelResult.InvalidMemState;
}
KTransferMemory transferMemory = new KTransferMemory(_context);
KernelResult result = transferMemory.Initialize(address, size, permission);
if (result != KernelResult.Success)
{
CleanUpForError();
return result;
}
KTransferMemory transferMemory = new KTransferMemory(_context, address, size);
result = process.HandleTable.GenerateHandle(transferMemory, out handle);
return process.HandleTable.GenerateHandle(transferMemory, out handle);
transferMemory.DecrementReferenceCount();
return result;
}
public KernelResult MapPhysicalMemory(ulong address, ulong size)
@ -1271,29 +1296,9 @@ namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
public KernelResult CloseHandle(int handle)
{
KProcess process = _context.Scheduler.GetCurrentProcess();
KProcess currentProcess = _context.Scheduler.GetCurrentProcess();
KAutoObject obj = process.HandleTable.GetObject<KAutoObject>(handle);
process.HandleTable.CloseHandle(handle);
if (obj == null)
{
return KernelResult.InvalidHandle;
}
if (obj is KSession session)
{
session.Dispose();
}
else if (obj is KTransferMemory transferMemory)
{
process.MemoryManager.ResetTransferMemory(
transferMemory.Address,
transferMemory.Size);
}
return KernelResult.Success;
return currentProcess.HandleTable.CloseHandle(handle) ? KernelResult.Success : KernelResult.InvalidHandle;
}
public KernelResult ResetSignal(int handle)

3
Ryujinx.HLE/HOS/Services/Sm/IUserInterface.cs
View file

@ -104,6 +104,9 @@ namespace Ryujinx.HLE.HOS.Services.Sm
throw new InvalidOperationException("Out of handles!");
}
session.ServerSession.DecrementReferenceCount();
session.ClientSession.DecrementReferenceCount();
context.Response.HandleDesc = IpcHandleDesc.MakeMove(handle);
return ResultCode.Success;