diff options
Diffstat (limited to 'Ryujinx.Graphics/Memory/NvGpuVmm.cs')
| -rw-r--r-- | Ryujinx.Graphics/Memory/NvGpuVmm.cs | 308 |
1 files changed, 154 insertions, 154 deletions
diff --git a/Ryujinx.Graphics/Memory/NvGpuVmm.cs b/Ryujinx.Graphics/Memory/NvGpuVmm.cs index 7fdef473..ac1b765a 100644 --- a/Ryujinx.Graphics/Memory/NvGpuVmm.cs +++ b/Ryujinx.Graphics/Memory/NvGpuVmm.cs @@ -8,177 +8,177 @@ namespace Ryujinx.Graphics.Memory { public const long AddrSize = 1L << 40; - private const int PTLvl0Bits = 14; - private const int PTLvl1Bits = 14; - private const int PTPageBits = 12; + private const int PtLvl0Bits = 14; + private const int PtLvl1Bits = 14; + private const int PtPageBits = 12; - private const int PTLvl0Size = 1 << PTLvl0Bits; - private const int PTLvl1Size = 1 << PTLvl1Bits; - public const int PageSize = 1 << PTPageBits; + private const int PtLvl0Size = 1 << PtLvl0Bits; + private const int PtLvl1Size = 1 << PtLvl1Bits; + public const int PageSize = 1 << PtPageBits; - private const int PTLvl0Mask = PTLvl0Size - 1; - private const int PTLvl1Mask = PTLvl1Size - 1; + private const int PtLvl0Mask = PtLvl0Size - 1; + private const int PtLvl1Mask = PtLvl1Size - 1; public const int PageMask = PageSize - 1; - private const int PTLvl0Bit = PTPageBits + PTLvl1Bits; - private const int PTLvl1Bit = PTPageBits; + private const int PtLvl0Bit = PtPageBits + PtLvl1Bits; + private const int PtLvl1Bit = PtPageBits; public MemoryManager Memory { get; private set; } - private NvGpuVmmCache Cache; + private NvGpuVmmCache _cache; private const long PteUnmapped = -1; private const long PteReserved = -2; - private long[][] PageTable; + private long[][] _pageTable; - public NvGpuVmm(MemoryManager Memory) + public NvGpuVmm(MemoryManager memory) { - this.Memory = Memory; + Memory = memory; - Cache = new NvGpuVmmCache(Memory); + _cache = new NvGpuVmmCache(memory); - PageTable = new long[PTLvl0Size][]; + _pageTable = new long[PtLvl0Size][]; } - public long Map(long PA, long VA, long Size) + public long Map(long pa, long va, long size) { - lock (PageTable) + lock (_pageTable) { - for (long Offset = 0; Offset < Size; Offset += PageSize) + for (long offset = 0; offset < size; offset += PageSize) { - SetPte(VA + Offset, PA + Offset); + SetPte(va + offset, pa + offset); } } - return VA; + return va; } - public long Map(long PA, long Size) + public long Map(long pa, long size) { - lock (PageTable) + lock (_pageTable) { - long VA = GetFreePosition(Size); + long va = GetFreePosition(size); - if (VA != -1) + if (va != -1) { - for (long Offset = 0; Offset < Size; Offset += PageSize) + for (long offset = 0; offset < size; offset += PageSize) { - SetPte(VA + Offset, PA + Offset); + SetPte(va + offset, pa + offset); } } - return VA; + return va; } } - public long MapLow(long PA, long Size) + public long MapLow(long pa, long size) { - lock (PageTable) + lock (_pageTable) { - long VA = GetFreePosition(Size, 1, PageSize); + long va = GetFreePosition(size, 1, PageSize); - if (VA != -1 && (ulong)VA <= uint.MaxValue && (ulong)(VA + Size) <= uint.MaxValue) + if (va != -1 && (ulong)va <= uint.MaxValue && (ulong)(va + size) <= uint.MaxValue) { - for (long Offset = 0; Offset < Size; Offset += PageSize) + for (long offset = 0; offset < size; offset += PageSize) { - SetPte(VA + Offset, PA + Offset); + SetPte(va + offset, pa + offset); } } else { - VA = -1; + va = -1; } - return VA; + return va; } } - public long ReserveFixed(long VA, long Size) + public long ReserveFixed(long va, long size) { - lock (PageTable) + lock (_pageTable) { - for (long Offset = 0; Offset < Size; Offset += PageSize) + for (long offset = 0; offset < size; offset += PageSize) { - if (IsPageInUse(VA + Offset)) + if (IsPageInUse(va + offset)) { return -1; } } - for (long Offset = 0; Offset < Size; Offset += PageSize) + for (long offset = 0; offset < size; offset += PageSize) { - SetPte(VA + Offset, PteReserved); + SetPte(va + offset, PteReserved); } } - return VA; + return va; } - public long Reserve(long Size, long Align) + public long Reserve(long size, long align) { - lock (PageTable) + lock (_pageTable) { - long Position = GetFreePosition(Size, Align); + long position = GetFreePosition(size, align); - if (Position != -1) + if (position != -1) { - for (long Offset = 0; Offset < Size; Offset += PageSize) + for (long offset = 0; offset < size; offset += PageSize) { - SetPte(Position + Offset, PteReserved); + SetPte(position + offset, PteReserved); } } - return Position; + return position; } } - public void Free(long VA, long Size) + public void Free(long va, long size) { - lock (PageTable) + lock (_pageTable) { - for (long Offset = 0; Offset < Size; Offset += PageSize) + for (long offset = 0; offset < size; offset += PageSize) { - SetPte(VA + Offset, PteUnmapped); + SetPte(va + offset, PteUnmapped); } } } - private long GetFreePosition(long Size, long Align = 1, long Start = 1L << 32) + private long GetFreePosition(long size, long align = 1, long start = 1L << 32) { //Note: Address 0 is not considered valid by the driver, //when 0 is returned it's considered a mapping error. - long Position = Start; - long FreeSize = 0; + long position = start; + long freeSize = 0; - if (Align < 1) + if (align < 1) { - Align = 1; + align = 1; } - Align = (Align + PageMask) & ~PageMask; + align = (align + PageMask) & ~PageMask; - while (Position + FreeSize < AddrSize) + while (position + freeSize < AddrSize) { - if (!IsPageInUse(Position + FreeSize)) + if (!IsPageInUse(position + freeSize)) { - FreeSize += PageSize; + freeSize += PageSize; - if (FreeSize >= Size) + if (freeSize >= size) { - return Position; + return position; } } else { - Position += FreeSize + PageSize; - FreeSize = 0; + position += freeSize + PageSize; + freeSize = 0; - long Remainder = Position % Align; + long remainder = position % align; - if (Remainder != 0) + if (remainder != 0) { - Position = (Position - Remainder) + Align; + position = (position - remainder) + align; } } } @@ -186,23 +186,23 @@ namespace Ryujinx.Graphics.Memory return -1; } - public long GetPhysicalAddress(long VA) + public long GetPhysicalAddress(long va) { - long BasePos = GetPte(VA); + long basePos = GetPte(va); - if (BasePos < 0) + if (basePos < 0) { return -1; } - return BasePos + (VA & PageMask); + return basePos + (va & PageMask); } - public bool IsRegionFree(long VA, long Size) + public bool IsRegionFree(long va, long size) { - for (long Offset = 0; Offset < Size; Offset += PageSize) + for (long offset = 0; offset < size; offset += PageSize) { - if (IsPageInUse(VA + Offset)) + if (IsPageInUse(va + offset)) { return false; } @@ -211,189 +211,189 @@ namespace Ryujinx.Graphics.Memory return true; } - private bool IsPageInUse(long VA) + private bool IsPageInUse(long va) { - if (VA >> PTLvl0Bits + PTLvl1Bits + PTPageBits != 0) + if (va >> PtLvl0Bits + PtLvl1Bits + PtPageBits != 0) { return false; } - long L0 = (VA >> PTLvl0Bit) & PTLvl0Mask; - long L1 = (VA >> PTLvl1Bit) & PTLvl1Mask; + long l0 = (va >> PtLvl0Bit) & PtLvl0Mask; + long l1 = (va >> PtLvl1Bit) & PtLvl1Mask; - if (PageTable[L0] == null) + if (_pageTable[l0] == null) { return false; } - return PageTable[L0][L1] != PteUnmapped; + return _pageTable[l0][l1] != PteUnmapped; } - private long GetPte(long Position) + private long GetPte(long position) { - long L0 = (Position >> PTLvl0Bit) & PTLvl0Mask; - long L1 = (Position >> PTLvl1Bit) & PTLvl1Mask; + long l0 = (position >> PtLvl0Bit) & PtLvl0Mask; + long l1 = (position >> PtLvl1Bit) & PtLvl1Mask; - if (PageTable[L0] == null) + if (_pageTable[l0] == null) { return -1; } - return PageTable[L0][L1]; + return _pageTable[l0][l1]; } - private void SetPte(long Position, long TgtAddr) + private void SetPte(long position, long tgtAddr) { - long L0 = (Position >> PTLvl0Bit) & PTLvl0Mask; - long L1 = (Position >> PTLvl1Bit) & PTLvl1Mask; + long l0 = (position >> PtLvl0Bit) & PtLvl0Mask; + long l1 = (position >> PtLvl1Bit) & PtLvl1Mask; - if (PageTable[L0] == null) + if (_pageTable[l0] == null) { - PageTable[L0] = new long[PTLvl1Size]; + _pageTable[l0] = new long[PtLvl1Size]; - for (int Index = 0; Index < PTLvl1Size; Index++) + for (int index = 0; index < PtLvl1Size; index++) { - PageTable[L0][Index] = PteUnmapped; + _pageTable[l0][index] = PteUnmapped; } } - PageTable[L0][L1] = TgtAddr; + _pageTable[l0][l1] = tgtAddr; } - public bool IsRegionModified(long PA, long Size, NvGpuBufferType BufferType) + public bool IsRegionModified(long pa, long size, NvGpuBufferType bufferType) { - return Cache.IsRegionModified(PA, Size, BufferType); + return _cache.IsRegionModified(pa, size, bufferType); } - public bool TryGetHostAddress(long Position, long Size, out IntPtr Ptr) + public bool TryGetHostAddress(long position, long size, out IntPtr ptr) { - return Memory.TryGetHostAddress(GetPhysicalAddress(Position), Size, out Ptr); + return Memory.TryGetHostAddress(GetPhysicalAddress(position), size, out ptr); } - public byte ReadByte(long Position) + public byte ReadByte(long position) { - Position = GetPhysicalAddress(Position); + position = GetPhysicalAddress(position); - return Memory.ReadByte(Position); + return Memory.ReadByte(position); } - public ushort ReadUInt16(long Position) + public ushort ReadUInt16(long position) { - Position = GetPhysicalAddress(Position); + position = GetPhysicalAddress(position); - return Memory.ReadUInt16(Position); + return Memory.ReadUInt16(position); } - public uint ReadUInt32(long Position) + public uint ReadUInt32(long position) { - Position = GetPhysicalAddress(Position); + position = GetPhysicalAddress(position); - return Memory.ReadUInt32(Position); + return Memory.ReadUInt32(position); } - public ulong ReadUInt64(long Position) + public ulong ReadUInt64(long position) { - Position = GetPhysicalAddress(Position); + position = GetPhysicalAddress(position); - return Memory.ReadUInt64(Position); + return Memory.ReadUInt64(position); } - public sbyte ReadSByte(long Position) + public sbyte ReadSByte(long position) { - Position = GetPhysicalAddress(Position); + position = GetPhysicalAddress(position); - return Memory.ReadSByte(Position); + return Memory.ReadSByte(position); } - public short ReadInt16(long Position) + public short ReadInt16(long position) { - Position = GetPhysicalAddress(Position); + position = GetPhysicalAddress(position); - return Memory.ReadInt16(Position); + return Memory.ReadInt16(position); } - public int ReadInt32(long Position) + public int ReadInt32(long position) { - Position = GetPhysicalAddress(Position); + position = GetPhysicalAddress(position); - return Memory.ReadInt32(Position); + return Memory.ReadInt32(position); } - public long ReadInt64(long Position) + public long ReadInt64(long position) { - Position = GetPhysicalAddress(Position); + position = GetPhysicalAddress(position); - return Memory.ReadInt64(Position); + return Memory.ReadInt64(position); } - public byte[] ReadBytes(long Position, long Size) + public byte[] ReadBytes(long position, long size) { - Position = GetPhysicalAddress(Position); + position = GetPhysicalAddress(position); - return Memory.ReadBytes(Position, Size); + return Memory.ReadBytes(position, size); } - public void WriteByte(long Position, byte Value) + public void WriteByte(long position, byte value) { - Position = GetPhysicalAddress(Position); + position = GetPhysicalAddress(position); - Memory.WriteByte(Position, Value); + Memory.WriteByte(position, value); } - public void WriteUInt16(long Position, ushort Value) + public void WriteUInt16(long position, ushort value) { - Position = GetPhysicalAddress(Position); + position = GetPhysicalAddress(position); - Memory.WriteUInt16(Position, Value); + Memory.WriteUInt16(position, value); } - public void WriteUInt32(long Position, uint Value) + public void WriteUInt32(long position, uint value) { - Position = GetPhysicalAddress(Position); + position = GetPhysicalAddress(position); - Memory.WriteUInt32(Position, Value); + Memory.WriteUInt32(position, value); } - public void WriteUInt64(long Position, ulong Value) + public void WriteUInt64(long position, ulong value) { - Position = GetPhysicalAddress(Position); + position = GetPhysicalAddress(position); - Memory.WriteUInt64(Position, Value); + Memory.WriteUInt64(position, value); } - public void WriteSByte(long Position, sbyte Value) + public void WriteSByte(long position, sbyte value) { - Position = GetPhysicalAddress(Position); + position = GetPhysicalAddress(position); - Memory.WriteSByte(Position, Value); + Memory.WriteSByte(position, value); } - public void WriteInt16(long Position, short Value) + public void WriteInt16(long position, short value) { - Position = GetPhysicalAddress(Position); + position = GetPhysicalAddress(position); - Memory.WriteInt16(Position, Value); + Memory.WriteInt16(position, value); } - public void WriteInt32(long Position, int Value) + public void WriteInt32(long position, int value) { - Position = GetPhysicalAddress(Position); + position = GetPhysicalAddress(position); - Memory.WriteInt32(Position, Value); + Memory.WriteInt32(position, value); } - public void WriteInt64(long Position, long Value) + public void WriteInt64(long position, long value) { - Position = GetPhysicalAddress(Position); + position = GetPhysicalAddress(position); - Memory.WriteInt64(Position, Value); + Memory.WriteInt64(position, value); } - public void WriteBytes(long Position, byte[] Data) + public void WriteBytes(long position, byte[] data) { - Position = GetPhysicalAddress(Position); + position = GetPhysicalAddress(position); - Memory.WriteBytes(Position, Data); + Memory.WriteBytes(position, data); } } }
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