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authorgdk <gab.dark.100@gmail.com>2019-10-13 03:02:07 -0300
committerThog <thog@protonmail.com>2020-01-09 02:13:00 +0100
commit1876b346fea647e8284a66bb6d62c38801035cff (patch)
tree6eeff094298cda84d1613dc5ec0691e51d7b35f1 /Ryujinx.Graphics/Memory
parentf617fb542a0e3d36012d77a4b5acbde7b08902f2 (diff)
Initial work
Diffstat (limited to 'Ryujinx.Graphics/Memory')
-rw-r--r--Ryujinx.Graphics/Memory/NvGpuBufferType.cs11
-rw-r--r--Ryujinx.Graphics/Memory/NvGpuVmm.cs399
-rw-r--r--Ryujinx.Graphics/Memory/NvGpuVmmCache.cs79
3 files changed, 0 insertions, 489 deletions
diff --git a/Ryujinx.Graphics/Memory/NvGpuBufferType.cs b/Ryujinx.Graphics/Memory/NvGpuBufferType.cs
deleted file mode 100644
index 6f0d2571..00000000
--- a/Ryujinx.Graphics/Memory/NvGpuBufferType.cs
+++ /dev/null
@@ -1,11 +0,0 @@
-namespace Ryujinx.Graphics.Memory
-{
- public enum NvGpuBufferType
- {
- Index,
- Vertex,
- Texture,
- ConstBuffer,
- Count
- }
-} \ No newline at end of file
diff --git a/Ryujinx.Graphics/Memory/NvGpuVmm.cs b/Ryujinx.Graphics/Memory/NvGpuVmm.cs
deleted file mode 100644
index c72b82e3..00000000
--- a/Ryujinx.Graphics/Memory/NvGpuVmm.cs
+++ /dev/null
@@ -1,399 +0,0 @@
-using ARMeilleure.Memory;
-using Ryujinx.Graphics.Gal;
-using System;
-
-namespace Ryujinx.Graphics.Memory
-{
- public class NvGpuVmm : IMemory, IGalMemory
- {
- public const long AddrSize = 1L << 40;
-
- 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 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;
-
- public MemoryManager Memory { get; private set; }
-
- private NvGpuVmmCache _cache;
-
- private const long PteUnmapped = -1;
- private const long PteReserved = -2;
-
- private long[][] _pageTable;
-
- public NvGpuVmm(MemoryManager memory)
- {
- Memory = memory;
-
- _cache = new NvGpuVmmCache(memory);
-
- _pageTable = new long[PtLvl0Size][];
- }
-
- public long Map(long pa, long va, long size)
- {
- lock (_pageTable)
- {
- for (long offset = 0; offset < size; offset += PageSize)
- {
- SetPte(va + offset, pa + offset);
- }
- }
-
- return va;
- }
-
- public long Map(long pa, long size)
- {
- lock (_pageTable)
- {
- long va = GetFreePosition(size);
-
- if (va != -1)
- {
- for (long offset = 0; offset < size; offset += PageSize)
- {
- SetPte(va + offset, pa + offset);
- }
- }
-
- return va;
- }
- }
-
- public long MapLow(long pa, long size)
- {
- lock (_pageTable)
- {
- long va = GetFreePosition(size, 1, PageSize);
-
- if (va != -1 && (ulong)va <= uint.MaxValue && (ulong)(va + size) <= uint.MaxValue)
- {
- for (long offset = 0; offset < size; offset += PageSize)
- {
- SetPte(va + offset, pa + offset);
- }
- }
- else
- {
- va = -1;
- }
-
- return va;
- }
- }
-
- public long ReserveFixed(long va, long size)
- {
- lock (_pageTable)
- {
- for (long offset = 0; offset < size; offset += PageSize)
- {
- if (IsPageInUse(va + offset))
- {
- return -1;
- }
- }
-
- for (long offset = 0; offset < size; offset += PageSize)
- {
- SetPte(va + offset, PteReserved);
- }
- }
-
- return va;
- }
-
- public long Reserve(long size, long align)
- {
- lock (_pageTable)
- {
- long position = GetFreePosition(size, align);
-
- if (position != -1)
- {
- for (long offset = 0; offset < size; offset += PageSize)
- {
- SetPte(position + offset, PteReserved);
- }
- }
-
- return position;
- }
- }
-
- public void Free(long va, long size)
- {
- lock (_pageTable)
- {
- for (long offset = 0; offset < size; offset += PageSize)
- {
- SetPte(va + offset, PteUnmapped);
- }
- }
- }
-
- 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;
-
- if (align < 1)
- {
- align = 1;
- }
-
- align = (align + PageMask) & ~PageMask;
-
- while (position + freeSize < AddrSize)
- {
- if (!IsPageInUse(position + freeSize))
- {
- freeSize += PageSize;
-
- if (freeSize >= size)
- {
- return position;
- }
- }
- else
- {
- position += freeSize + PageSize;
- freeSize = 0;
-
- long remainder = position % align;
-
- if (remainder != 0)
- {
- position = (position - remainder) + align;
- }
- }
- }
-
- return -1;
- }
-
- public long GetPhysicalAddress(long va)
- {
- long basePos = GetPte(va);
-
- if (basePos < 0)
- {
- return -1;
- }
-
- return basePos + (va & PageMask);
- }
-
- public bool IsRegionFree(long va, long size)
- {
- for (long offset = 0; offset < size; offset += PageSize)
- {
- if (IsPageInUse(va + offset))
- {
- return false;
- }
- }
-
- return true;
- }
-
- private bool IsPageInUse(long va)
- {
- if (va >> PtLvl0Bits + PtLvl1Bits + PtPageBits != 0)
- {
- return false;
- }
-
- long l0 = (va >> PtLvl0Bit) & PtLvl0Mask;
- long l1 = (va >> PtLvl1Bit) & PtLvl1Mask;
-
- if (_pageTable[l0] == null)
- {
- return false;
- }
-
- return _pageTable[l0][l1] != PteUnmapped;
- }
-
- private long GetPte(long position)
- {
- long l0 = (position >> PtLvl0Bit) & PtLvl0Mask;
- long l1 = (position >> PtLvl1Bit) & PtLvl1Mask;
-
- if (_pageTable[l0] == null)
- {
- return -1;
- }
-
- return _pageTable[l0][l1];
- }
-
- private void SetPte(long position, long tgtAddr)
- {
- long l0 = (position >> PtLvl0Bit) & PtLvl0Mask;
- long l1 = (position >> PtLvl1Bit) & PtLvl1Mask;
-
- if (_pageTable[l0] == null)
- {
- _pageTable[l0] = new long[PtLvl1Size];
-
- for (int index = 0; index < PtLvl1Size; index++)
- {
- _pageTable[l0][index] = PteUnmapped;
- }
- }
-
- _pageTable[l0][l1] = tgtAddr;
- }
-
- public bool IsRegionModified(long pa, long size, NvGpuBufferType bufferType)
- {
- return _cache.IsRegionModified(pa, size, bufferType);
- }
-
- public bool TryGetHostAddress(long position, long size, out IntPtr ptr)
- {
- return Memory.TryGetHostAddress(GetPhysicalAddress(position), size, out ptr);
- }
-
- public byte ReadByte(long position)
- {
- position = GetPhysicalAddress(position);
-
- return Memory.ReadByte(position);
- }
-
- public ushort ReadUInt16(long position)
- {
- position = GetPhysicalAddress(position);
-
- return Memory.ReadUInt16(position);
- }
-
- public uint ReadUInt32(long position)
- {
- position = GetPhysicalAddress(position);
-
- return Memory.ReadUInt32(position);
- }
-
- public ulong ReadUInt64(long position)
- {
- position = GetPhysicalAddress(position);
-
- return Memory.ReadUInt64(position);
- }
-
- public sbyte ReadSByte(long position)
- {
- position = GetPhysicalAddress(position);
-
- return Memory.ReadSByte(position);
- }
-
- public short ReadInt16(long position)
- {
- position = GetPhysicalAddress(position);
-
- return Memory.ReadInt16(position);
- }
-
- public int ReadInt32(long position)
- {
- position = GetPhysicalAddress(position);
-
- return Memory.ReadInt32(position);
- }
-
- public long ReadInt64(long position)
- {
- position = GetPhysicalAddress(position);
-
- return Memory.ReadInt64(position);
- }
-
- public byte[] ReadBytes(long position, long size)
- {
- position = GetPhysicalAddress(position);
-
- return Memory.ReadBytes(position, size);
- }
-
- public void WriteByte(long position, byte value)
- {
- position = GetPhysicalAddress(position);
-
- Memory.WriteByte(position, value);
- }
-
- public void WriteUInt16(long position, ushort value)
- {
- position = GetPhysicalAddress(position);
-
- Memory.WriteUInt16(position, value);
- }
-
- public void WriteUInt32(long position, uint value)
- {
- position = GetPhysicalAddress(position);
-
- Memory.WriteUInt32(position, value);
- }
-
- public void WriteUInt64(long position, ulong value)
- {
- position = GetPhysicalAddress(position);
-
- Memory.WriteUInt64(position, value);
- }
-
- public void WriteSByte(long position, sbyte value)
- {
- position = GetPhysicalAddress(position);
-
- Memory.WriteSByte(position, value);
- }
-
- public void WriteInt16(long position, short value)
- {
- position = GetPhysicalAddress(position);
-
- Memory.WriteInt16(position, value);
- }
-
- public void WriteInt32(long position, int value)
- {
- position = GetPhysicalAddress(position);
-
- Memory.WriteInt32(position, value);
- }
-
- public void WriteInt64(long position, long value)
- {
- position = GetPhysicalAddress(position);
-
- Memory.WriteInt64(position, value);
- }
-
- public void WriteBytes(long position, byte[] data)
- {
- position = GetPhysicalAddress(position);
-
- Memory.WriteBytes(position, data);
- }
- }
-} \ No newline at end of file
diff --git a/Ryujinx.Graphics/Memory/NvGpuVmmCache.cs b/Ryujinx.Graphics/Memory/NvGpuVmmCache.cs
deleted file mode 100644
index 2a505443..00000000
--- a/Ryujinx.Graphics/Memory/NvGpuVmmCache.cs
+++ /dev/null
@@ -1,79 +0,0 @@
-using ARMeilleure.Memory;
-using System.Collections.Concurrent;
-
-namespace Ryujinx.Graphics.Memory
-{
- class NvGpuVmmCache
- {
- private const int PageBits = MemoryManager.PageBits;
-
- private const long PageSize = MemoryManager.PageSize;
- private const long PageMask = MemoryManager.PageMask;
-
- private ConcurrentDictionary<long, int>[] _cachedPages;
-
- private MemoryManager _memory;
-
- public NvGpuVmmCache(MemoryManager memory)
- {
- _memory = memory;
-
- _cachedPages = new ConcurrentDictionary<long, int>[1 << 20];
- }
-
- public bool IsRegionModified(long position, long size, NvGpuBufferType bufferType)
- {
- long va = position;
-
- long pa = _memory.GetPhysicalAddress(va);
-
- long endAddr = (va + size + PageMask) & ~PageMask;
-
- long addrTruncated = va & ~PageMask;
-
- bool modified = _memory.IsRegionModified(addrTruncated, endAddr - addrTruncated);
-
- int newBuffMask = 1 << (int)bufferType;
-
- long cachedPagesCount = 0;
-
- while (va < endAddr)
- {
- long page = _memory.GetPhysicalAddress(va) >> PageBits;
-
- ConcurrentDictionary<long, int> dictionary = _cachedPages[page];
-
- if (dictionary == null)
- {
- dictionary = new ConcurrentDictionary<long, int>();
-
- _cachedPages[page] = dictionary;
- }
- else if (modified)
- {
- _cachedPages[page].Clear();
- }
-
- if (dictionary.TryGetValue(pa, out int currBuffMask))
- {
- if ((currBuffMask & newBuffMask) != 0)
- {
- cachedPagesCount++;
- }
- else
- {
- dictionary[pa] |= newBuffMask;
- }
- }
- else
- {
- dictionary[pa] = newBuffMask;
- }
-
- va += PageSize;
- }
-
- return cachedPagesCount != (endAddr - addrTruncated) >> PageBits;
- }
- }
-} \ No newline at end of file