Ryujinx/Ryujinx.HLE/HOS/Kernel/KMemoryRegionBlock.cs
Alex Barney fb1d9493a3 Adjust naming conventions and general refactoring in HLE Project (#527)
* Rename enum fields

* Naming conventions

* Remove unneeded ".this"

* Remove unneeded semicolons

* Remove unused Usings

* Don't use var

* Remove unneeded enum underlying types

* Explicitly label class visibility

* Remove unneeded @ prefixes

* Remove unneeded commas

* Remove unneeded if expressions

* Method doesn't use unsafe code

* Remove unneeded casts

* Initialized objects don't need an empty constructor

* Remove settings from DotSettings

* Revert "Explicitly label class visibility"

This reverts commit ad5eb5787c.

* Small changes

* Revert external enum renaming

* Changes from feedback

* Apply previous refactorings to the merged code
2018-12-06 09:16:24 -02:00

43 lines
1 KiB
C#

namespace Ryujinx.HLE.HOS.Kernel
{
class KMemoryRegionBlock
{
public long[][] Masks;
public ulong FreeCount;
public int MaxLevel;
public ulong StartAligned;
public ulong SizeInBlocksTruncated;
public ulong SizeInBlocksRounded;
public int Order;
public int NextOrder;
public bool TryCoalesce(int index, int size)
{
long mask = ((1L << size) - 1) << (index & 63);
index /= 64;
if ((mask & ~Masks[MaxLevel - 1][index]) != 0)
{
return false;
}
Masks[MaxLevel - 1][index] &= ~mask;
for (int level = MaxLevel - 2; level >= 0; level--, index /= 64)
{
Masks[level][index / 64] &= ~(1L << (index & 63));
if (Masks[level][index / 64] != 0)
{
break;
}
}
FreeCount -= (ulong)size;
return true;
}
}
}