diff options
| author | TSR Berry <20988865+TSRBerry@users.noreply.github.com> | 2023-04-08 01:22:00 +0200 |
|---|---|---|
| committer | Mary <thog@protonmail.com> | 2023-04-27 23:51:14 +0200 |
| commit | cee712105850ac3385cd0091a923438167433f9f (patch) | |
| tree | 4a5274b21d8b7f938c0d0ce18736d3f2993b11b1 /Ryujinx.HLE/HOS/Kernel/Ipc/KBufferDescriptorTable.cs | |
| parent | cd124bda587ef09668a971fa1cac1c3f0cfc9f21 (diff) | |
Move solution and projects to src
Diffstat (limited to 'Ryujinx.HLE/HOS/Kernel/Ipc/KBufferDescriptorTable.cs')
| -rw-r--r-- | Ryujinx.HLE/HOS/Kernel/Ipc/KBufferDescriptorTable.cs | 217 |
1 files changed, 0 insertions, 217 deletions
diff --git a/Ryujinx.HLE/HOS/Kernel/Ipc/KBufferDescriptorTable.cs b/Ryujinx.HLE/HOS/Kernel/Ipc/KBufferDescriptorTable.cs deleted file mode 100644 index 593d2c9d..00000000 --- a/Ryujinx.HLE/HOS/Kernel/Ipc/KBufferDescriptorTable.cs +++ /dev/null @@ -1,217 +0,0 @@ -using Ryujinx.Common; -using Ryujinx.HLE.HOS.Kernel.Memory; -using Ryujinx.Horizon.Common; -using System.Collections.Generic; - -namespace Ryujinx.HLE.HOS.Kernel.Ipc -{ - class KBufferDescriptorTable - { - private const int MaxInternalBuffersCount = 8; - - private List<KBufferDescriptor> _sendBufferDescriptors; - private List<KBufferDescriptor> _receiveBufferDescriptors; - private List<KBufferDescriptor> _exchangeBufferDescriptors; - - public KBufferDescriptorTable() - { - _sendBufferDescriptors = new List<KBufferDescriptor>(MaxInternalBuffersCount); - _receiveBufferDescriptors = new List<KBufferDescriptor>(MaxInternalBuffersCount); - _exchangeBufferDescriptors = new List<KBufferDescriptor>(MaxInternalBuffersCount); - } - - public Result AddSendBuffer(ulong src, ulong dst, ulong size, MemoryState state) - { - return Add(_sendBufferDescriptors, src, dst, size, state); - } - - public Result AddReceiveBuffer(ulong src, ulong dst, ulong size, MemoryState state) - { - return Add(_receiveBufferDescriptors, src, dst, size, state); - } - - public Result AddExchangeBuffer(ulong src, ulong dst, ulong size, MemoryState state) - { - return Add(_exchangeBufferDescriptors, src, dst, size, state); - } - - private Result Add(List<KBufferDescriptor> list, ulong src, ulong dst, ulong size, MemoryState state) - { - if (list.Count < MaxInternalBuffersCount) - { - list.Add(new KBufferDescriptor(src, dst, size, state)); - - return Result.Success; - } - - return KernelResult.OutOfMemory; - } - - public Result CopyBuffersToClient(KPageTableBase memoryManager) - { - Result result = CopyToClient(memoryManager, _receiveBufferDescriptors); - - if (result != Result.Success) - { - return result; - } - - return CopyToClient(memoryManager, _exchangeBufferDescriptors); - } - - private Result CopyToClient(KPageTableBase memoryManager, List<KBufferDescriptor> list) - { - foreach (KBufferDescriptor desc in list) - { - MemoryState stateMask; - - switch (desc.State) - { - case MemoryState.IpcBuffer0: stateMask = MemoryState.IpcSendAllowedType0; break; - case MemoryState.IpcBuffer1: stateMask = MemoryState.IpcSendAllowedType1; break; - case MemoryState.IpcBuffer3: stateMask = MemoryState.IpcSendAllowedType3; break; - - default: return KernelResult.InvalidCombination; - } - - MemoryAttribute attributeMask = MemoryAttribute.Borrowed | MemoryAttribute.Uncached; - - if (desc.State == MemoryState.IpcBuffer0) - { - attributeMask |= MemoryAttribute.DeviceMapped; - } - - ulong clientAddrTruncated = BitUtils.AlignDown<ulong>(desc.ClientAddress, KPageTableBase.PageSize); - ulong clientAddrRounded = BitUtils.AlignUp<ulong>(desc.ClientAddress, KPageTableBase.PageSize); - - // Check if address is not aligned, in this case we need to perform 2 copies. - if (clientAddrTruncated != clientAddrRounded) - { - ulong copySize = clientAddrRounded - desc.ClientAddress; - - if (copySize > desc.Size) - { - copySize = desc.Size; - } - - Result result = memoryManager.CopyDataFromCurrentProcess( - desc.ClientAddress, - copySize, - stateMask, - stateMask, - KMemoryPermission.ReadAndWrite, - attributeMask, - MemoryAttribute.None, - desc.ServerAddress); - - if (result != Result.Success) - { - return result; - } - } - - ulong clientEndAddr = desc.ClientAddress + desc.Size; - ulong serverEndAddr = desc.ServerAddress + desc.Size; - - ulong clientEndAddrTruncated = BitUtils.AlignDown<ulong>(clientEndAddr, (ulong)KPageTableBase.PageSize); - ulong clientEndAddrRounded = BitUtils.AlignUp<ulong>(clientEndAddr, KPageTableBase.PageSize); - ulong serverEndAddrTruncated = BitUtils.AlignDown<ulong>(serverEndAddr, (ulong)KPageTableBase.PageSize); - - if (clientEndAddrTruncated < clientEndAddrRounded && - (clientAddrTruncated == clientAddrRounded || clientAddrTruncated < clientEndAddrTruncated)) - { - Result result = memoryManager.CopyDataFromCurrentProcess( - clientEndAddrTruncated, - clientEndAddr - clientEndAddrTruncated, - stateMask, - stateMask, - KMemoryPermission.ReadAndWrite, - attributeMask, - MemoryAttribute.None, - serverEndAddrTruncated); - - if (result != Result.Success) - { - return result; - } - } - } - - return Result.Success; - } - - public Result UnmapServerBuffers(KPageTableBase memoryManager) - { - Result result = UnmapServer(memoryManager, _sendBufferDescriptors); - - if (result != Result.Success) - { - return result; - } - - result = UnmapServer(memoryManager, _receiveBufferDescriptors); - - if (result != Result.Success) - { - return result; - } - - return UnmapServer(memoryManager, _exchangeBufferDescriptors); - } - - private Result UnmapServer(KPageTableBase memoryManager, List<KBufferDescriptor> list) - { - foreach (KBufferDescriptor descriptor in list) - { - Result result = memoryManager.UnmapNoAttributeIfStateEquals( - descriptor.ServerAddress, - descriptor.Size, - descriptor.State); - - if (result != Result.Success) - { - return result; - } - } - - return Result.Success; - } - - public Result RestoreClientBuffers(KPageTableBase memoryManager) - { - Result result = RestoreClient(memoryManager, _sendBufferDescriptors); - - if (result != Result.Success) - { - return result; - } - - result = RestoreClient(memoryManager, _receiveBufferDescriptors); - - if (result != Result.Success) - { - return result; - } - - return RestoreClient(memoryManager, _exchangeBufferDescriptors); - } - - private Result RestoreClient(KPageTableBase memoryManager, List<KBufferDescriptor> list) - { - foreach (KBufferDescriptor descriptor in list) - { - Result result = memoryManager.UnmapIpcRestorePermission( - descriptor.ClientAddress, - descriptor.Size, - descriptor.State); - - if (result != Result.Success) - { - return result; - } - } - - return Result.Success; - } - } -}
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