diff options
Diffstat (limited to 'Ryujinx.HLE/HOS/Kernel/KTlsPageManager.cs')
-rw-r--r-- | Ryujinx.HLE/HOS/Kernel/KTlsPageManager.cs | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/Ryujinx.HLE/HOS/Kernel/KTlsPageManager.cs b/Ryujinx.HLE/HOS/Kernel/KTlsPageManager.cs new file mode 100644 index 00000000..1fb2ce6a --- /dev/null +++ b/Ryujinx.HLE/HOS/Kernel/KTlsPageManager.cs @@ -0,0 +1,60 @@ +using System; + +namespace Ryujinx.HLE.HOS.Kernel +{ + class KTlsPageManager + { + private const int TlsEntrySize = 0x200; + + private long PagePosition; + + private int UsedSlots; + + private bool[] Slots; + + public bool IsEmpty => UsedSlots == 0; + public bool IsFull => UsedSlots == Slots.Length; + + public KTlsPageManager(long PagePosition) + { + this.PagePosition = PagePosition; + + Slots = new bool[KMemoryManager.PageSize / TlsEntrySize]; + } + + public bool TryGetFreeTlsAddr(out long Position) + { + Position = PagePosition; + + for (int Index = 0; Index < Slots.Length; Index++) + { + if (!Slots[Index]) + { + Slots[Index] = true; + + UsedSlots++; + + return true; + } + + Position += TlsEntrySize; + } + + Position = 0; + + return false; + } + + public void FreeTlsSlot(int Slot) + { + if ((uint)Slot > Slots.Length) + { + throw new ArgumentOutOfRangeException(nameof(Slot)); + } + + Slots[Slot] = false; + + UsedSlots--; + } + } +}
\ No newline at end of file |