diff options
Diffstat (limited to 'Ryujinx.HLE/HOS/Kernel/Memory/KPageTableHostMapped.cs')
-rw-r--r-- | Ryujinx.HLE/HOS/Kernel/Memory/KPageTableHostMapped.cs | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/Ryujinx.HLE/HOS/Kernel/Memory/KPageTableHostMapped.cs b/Ryujinx.HLE/HOS/Kernel/Memory/KPageTableHostMapped.cs deleted file mode 100644 index 29a7b2ed..00000000 --- a/Ryujinx.HLE/HOS/Kernel/Memory/KPageTableHostMapped.cs +++ /dev/null @@ -1,139 +0,0 @@ -using Ryujinx.HLE.HOS.Kernel.Common; -using Ryujinx.Memory; -using Ryujinx.Memory.Range; -using System; -using System.Collections.Generic; -using System.Linq; - -namespace Ryujinx.HLE.HOS.Kernel.Memory -{ - class KPageTableHostMapped : KPageTableBase - { - private const int CopyChunckSize = 0x100000; - - private readonly IVirtualMemoryManager _cpuMemory; - - public override bool SupportsMemoryAliasing => false; - - public KPageTableHostMapped(KernelContext context, IVirtualMemoryManager cpuMemory) : base(context) - { - _cpuMemory = cpuMemory; - } - - /// <inheritdoc/> - protected override IEnumerable<HostMemoryRange> GetPhysicalRegions(ulong va, ulong size) - { - return _cpuMemory.GetPhysicalRegions(va, size); - } - - /// <inheritdoc/> - protected override ReadOnlySpan<byte> GetSpan(ulong va, int size) - { - return _cpuMemory.GetSpan(va, size); - } - - /// <inheritdoc/> - protected override KernelResult MapMemory(ulong src, ulong dst, ulong pagesCount, KMemoryPermission oldSrcPermission, KMemoryPermission newDstPermission) - { - ulong size = pagesCount * PageSize; - - _cpuMemory.Map(dst, 0, size); - - ulong currentSize = size; - while (currentSize > 0) - { - ulong copySize = Math.Min(currentSize, CopyChunckSize); - _cpuMemory.Write(dst, _cpuMemory.GetSpan(src, (int)copySize)); - currentSize -= copySize; - } - - return KernelResult.Success; - } - - /// <inheritdoc/> - protected override KernelResult UnmapMemory(ulong dst, ulong src, ulong pagesCount, KMemoryPermission oldDstPermission, KMemoryPermission newSrcPermission) - { - ulong size = pagesCount * PageSize; - - // TODO: Validation. - - ulong currentSize = size; - while (currentSize > 0) - { - ulong copySize = Math.Min(currentSize, CopyChunckSize); - _cpuMemory.Write(src, _cpuMemory.GetSpan(dst, (int)copySize)); - currentSize -= copySize; - } - - _cpuMemory.Unmap(dst, size); - return KernelResult.Success; - } - - /// <inheritdoc/> - protected override KernelResult MapPages(ulong dstVa, ulong pagesCount, ulong srcPa, KMemoryPermission permission, bool shouldFillPages, byte fillValue) - { - _cpuMemory.Map(dstVa, 0, pagesCount * PageSize); - - if (shouldFillPages) - { - _cpuMemory.Fill(dstVa, pagesCount * PageSize, fillValue); - } - - return KernelResult.Success; - } - - /// <inheritdoc/> - protected override KernelResult MapPages(ulong address, KPageList pageList, KMemoryPermission permission, bool shouldFillPages, byte fillValue) - { - ulong pagesCount = pageList.GetPagesCount(); - - _cpuMemory.Map(address, 0, pagesCount * PageSize); - - if (shouldFillPages) - { - _cpuMemory.Fill(address, pagesCount * PageSize, fillValue); - } - - return KernelResult.Success; - } - - /// <inheritdoc/> - protected override KernelResult MapPages(ulong address, IEnumerable<HostMemoryRange> ranges, KMemoryPermission permission) - { - throw new NotSupportedException(); - } - - /// <inheritdoc/> - protected override KernelResult Unmap(ulong address, ulong pagesCount) - { - _cpuMemory.Unmap(address, pagesCount * PageSize); - return KernelResult.Success; - } - - /// <inheritdoc/> - protected override KernelResult Reprotect(ulong address, ulong pagesCount, KMemoryPermission permission) - { - // TODO. - return KernelResult.Success; - } - - /// <inheritdoc/> - protected override KernelResult ReprotectWithAttributes(ulong address, ulong pagesCount, KMemoryPermission permission) - { - // TODO. - return KernelResult.Success; - } - - /// <inheritdoc/> - protected override void SignalMemoryTracking(ulong va, ulong size, bool write) - { - _cpuMemory.SignalMemoryTracking(va, size, write); - } - - /// <inheritdoc/> - protected override void Write(ulong va, ReadOnlySpan<byte> data) - { - _cpuMemory.Write(va, data); - } - } -} |