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Improve kernel IPC related syscalls (#1379)

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* Implement session count decrement when the handle is closed

* Remove unused field

* Implement SendSyncRequestWithUserBuffer, SendAsyncRequestWithUserBuffer and ReplyAndReceiveWithUserBuffer syscalls

* Nits

* Fix swapped copy dst/src

* Add missing pointer buffer descriptor write on reply

* Fix IPC unaligned buffer copy and restoring client attributes on reply

* Oops

* Fix SetIpcMappingPermission

* Fix unaligned copy bugs

* Free memory used for temporary IPC buffers
This commit is contained in:
gdkchan 2020-07-17 01:19:07 -03:00 • committed by GitHub
parent 46f8cef6a9
commit 9f6b24edfd
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14 changed files with 705 additions and 247 deletions
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11
Ryujinx.HLE/HOS/Kernel/Ipc/KBufferDescriptorTable.cs
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@ -115,19 +115,20 @@ namespace Ryujinx.HLE.HOS.Kernel.Ipc
ulong clientEndAddrTruncated = BitUtils.AlignDown(clientEndAddr, KMemoryManager.PageSize);
ulong clientEndAddrRounded = BitUtils.AlignUp (clientEndAddr, KMemoryManager.PageSize);
ulong serverEndAddrTruncated = BitUtils.AlignDown(clientEndAddr, KMemoryManager.PageSize);
ulong serverEndAddrTruncated = BitUtils.AlignDown(serverEndAddr, KMemoryManager.PageSize);
if (clientEndAddrTruncated < clientAddrRounded)
if (clientEndAddrTruncated < clientEndAddrRounded &&
(clientAddrTruncated == clientAddrRounded || clientAddrTruncated < clientEndAddrTruncated))
{
KernelResult result = memoryManager.CopyDataToCurrentProcess(
KernelResult result = memoryManager.CopyDataFromCurrentProcess(
clientEndAddrTruncated,
clientEndAddr - clientEndAddrTruncated,
serverEndAddrTruncated,
stateMask,
stateMask,
MemoryPermission.ReadAndWrite,
attributeMask,
MemoryAttribute.None);
MemoryAttribute.None,
serverEndAddrTruncated);
if (result != KernelResult.Success)
{