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/Memory/KSharedMemory.cs | |
| parent | cd124bda587ef09668a971fa1cac1c3f0cfc9f21 (diff) | |
Move solution and projects to src
Diffstat (limited to 'Ryujinx.HLE/HOS/Kernel/Memory/KSharedMemory.cs')
| -rw-r--r-- | Ryujinx.HLE/HOS/Kernel/Memory/KSharedMemory.cs | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/Ryujinx.HLE/HOS/Kernel/Memory/KSharedMemory.cs b/Ryujinx.HLE/HOS/Kernel/Memory/KSharedMemory.cs deleted file mode 100644 index 5ec3cd72..00000000 --- a/Ryujinx.HLE/HOS/Kernel/Memory/KSharedMemory.cs +++ /dev/null @@ -1,75 +0,0 @@ -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 -{ - class KSharedMemory : KAutoObject - { - private readonly KPageList _pageList; - - private readonly ulong _ownerPid; - - private readonly KMemoryPermission _ownerPermission; - private readonly KMemoryPermission _userPermission; - - public KSharedMemory( - KernelContext context, - SharedMemoryStorage storage, - ulong ownerPid, - KMemoryPermission ownerPermission, - KMemoryPermission userPermission) : base(context) - { - _pageList = storage.GetPageList(); - _ownerPid = ownerPid; - _ownerPermission = ownerPermission; - _userPermission = userPermission; - } - - public Result MapIntoProcess( - KPageTableBase memoryManager, - ulong address, - ulong size, - KProcess process, - KMemoryPermission permission) - { - if (_pageList.GetPagesCount() != BitUtils.DivRoundUp<ulong>(size, KPageTableBase.PageSize)) - { - return KernelResult.InvalidSize; - } - - KMemoryPermission expectedPermission = process.Pid == _ownerPid - ? _ownerPermission - : _userPermission; - - if (permission != expectedPermission) - { - return KernelResult.InvalidPermission; - } - - // 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) - { - if (_pageList.GetPagesCount() != BitUtils.DivRoundUp<ulong>(size, KPageTableBase.PageSize)) - { - return KernelResult.InvalidSize; - } - - return memoryManager.UnmapPages(address, _pageList, MemoryState.SharedMemory); - } - } -}
\ No newline at end of file |
