diff options
Diffstat (limited to 'Ryujinx.HLE/HOS/Kernel/Memory/KCodeMemory.cs')
| -rw-r--r-- | Ryujinx.HLE/HOS/Kernel/Memory/KCodeMemory.cs | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/Ryujinx.HLE/HOS/Kernel/Memory/KCodeMemory.cs b/Ryujinx.HLE/HOS/Kernel/Memory/KCodeMemory.cs deleted file mode 100644 index 11474e49..00000000 --- a/Ryujinx.HLE/HOS/Kernel/Memory/KCodeMemory.cs +++ /dev/null @@ -1,169 +0,0 @@ -using Ryujinx.Common; -using Ryujinx.HLE.HOS.Kernel.Common; -using Ryujinx.HLE.HOS.Kernel.Process; -using Ryujinx.Horizon.Common; -using System; -using System.Diagnostics; - -namespace Ryujinx.HLE.HOS.Kernel.Memory -{ - class KCodeMemory : KAutoObject - { - public KProcess Owner { get; private set; } - private readonly KPageList _pageList; - private readonly object _lock; - private ulong _address; - private bool _isOwnerMapped; - private bool _isMapped; - - public KCodeMemory(KernelContext context) : base(context) - { - _pageList = new KPageList(); - _lock = new object(); - } - - public Result Initialize(ulong address, ulong size) - { - Owner = KernelStatic.GetCurrentProcess(); - - Result result = Owner.MemoryManager.BorrowCodeMemory(_pageList, address, size); - - if (result != Result.Success) - { - return result; - } - - Owner.CpuMemory.Fill(address, size, 0xff); - Owner.IncrementReferenceCount(); - - _address = address; - _isMapped = false; - _isOwnerMapped = false; - - return Result.Success; - } - - public Result Map(ulong address, ulong size, KMemoryPermission perm) - { - if (_pageList.GetPagesCount() != BitUtils.DivRoundUp<ulong>(size, (ulong)KPageTableBase.PageSize)) - { - return KernelResult.InvalidSize; - } - - lock (_lock) - { - if (_isMapped) - { - return KernelResult.InvalidState; - } - - KProcess process = KernelStatic.GetCurrentProcess(); - - Result result = process.MemoryManager.MapPages(address, _pageList, MemoryState.CodeWritable, KMemoryPermission.ReadAndWrite); - - if (result != Result.Success) - { - return result; - } - - _isMapped = true; - } - - return Result.Success; - } - - public Result MapToOwner(ulong address, ulong size, KMemoryPermission permission) - { - if (_pageList.GetPagesCount() != BitUtils.DivRoundUp<ulong>(size, (ulong)KPageTableBase.PageSize)) - { - return KernelResult.InvalidSize; - } - - lock (_lock) - { - if (_isOwnerMapped) - { - return KernelResult.InvalidState; - } - - Debug.Assert(permission == KMemoryPermission.Read || permission == KMemoryPermission.ReadAndExecute); - - Result result = Owner.MemoryManager.MapPages(address, _pageList, MemoryState.CodeReadOnly, permission); - - if (result != Result.Success) - { - return result; - } - - _isOwnerMapped = true; - } - - return Result.Success; - } - - public Result Unmap(ulong address, ulong size) - { - if (_pageList.GetPagesCount() != BitUtils.DivRoundUp<ulong>(size, (ulong)KPageTableBase.PageSize)) - { - return KernelResult.InvalidSize; - } - - lock (_lock) - { - KProcess process = KernelStatic.GetCurrentProcess(); - - Result result = process.MemoryManager.UnmapPages(address, _pageList, MemoryState.CodeWritable); - - if (result != Result.Success) - { - return result; - } - - Debug.Assert(_isMapped); - - _isMapped = false; - } - - return Result.Success; - } - - public Result UnmapFromOwner(ulong address, ulong size) - { - if (_pageList.GetPagesCount() != BitUtils.DivRoundUp<ulong>(size, KPageTableBase.PageSize)) - { - return KernelResult.InvalidSize; - } - - lock (_lock) - { - Result result = Owner.MemoryManager.UnmapPages(address, _pageList, MemoryState.CodeReadOnly); - - if (result != Result.Success) - { - return result; - } - - Debug.Assert(_isOwnerMapped); - - _isOwnerMapped = false; - } - - return Result.Success; - } - - protected override void Destroy() - { - if (!_isMapped && !_isOwnerMapped) - { - ulong size = _pageList.GetPagesCount() * KPageTableBase.PageSize; - - if (Owner.MemoryManager.UnborrowCodeMemory(_address, size, _pageList) != Result.Success) - { - throw new InvalidOperationException("Unexpected failure restoring transfer memory attributes."); - } - } - - Owner.DecrementReferenceCount(); - } - } -}
\ No newline at end of file |