43 lines
1.0 KiB
C#
43 lines
1.0 KiB
C#
namespace Ryujinx.HLE.HOS.Kernel
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{
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class KMemoryRegionBlock
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{
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public long[][] Masks;
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public ulong FreeCount;
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public int MaxLevel;
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public ulong StartAligned;
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public ulong SizeInBlocksTruncated;
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public ulong SizeInBlocksRounded;
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public int Order;
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public int NextOrder;
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public bool TryCoalesce(int Index, int Size)
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{
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long Mask = ((1L << Size) - 1) << (Index & 63);
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Index /= 64;
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if ((Mask & ~Masks[MaxLevel - 1][Index]) != 0)
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{
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return false;
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}
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Masks[MaxLevel - 1][Index] &= ~Mask;
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for (int Level = MaxLevel - 2; Level >= 0; Level--, Index /= 64)
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{
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Masks[Level][Index / 64] &= ~(1L << (Index & 63));
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if (Masks[Level][Index / 64] != 0)
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{
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break;
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}
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}
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FreeCount -= (ulong)Size;
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return true;
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}
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}
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} |