ryujinx/Ryujinx.HLE/HOS/Kernel/KTlsPageInfo.cs

73 lines
1.6 KiB
C#

namespace Ryujinx.HLE.HOS.Kernel
{
class KTlsPageInfo
{
public const int TlsEntrySize = 0x200;
public ulong PageAddr { get; private set; }
private bool[] IsSlotFree;
public KTlsPageInfo(ulong PageAddress)
{
this.PageAddr = PageAddress;
IsSlotFree = new bool[KMemoryManager.PageSize / TlsEntrySize];
for (int Index = 0; Index < IsSlotFree.Length; Index++)
{
IsSlotFree[Index] = true;
}
}
public bool TryGetFreePage(out ulong Address)
{
Address = PageAddr;
for (int Index = 0; Index < IsSlotFree.Length; Index++)
{
if (IsSlotFree[Index])
{
IsSlotFree[Index] = false;
return true;
}
Address += TlsEntrySize;
}
Address = 0;
return false;
}
public bool IsFull()
{
bool HasFree = false;
for (int Index = 0; Index < IsSlotFree.Length; Index++)
{
HasFree |= IsSlotFree[Index];
}
return !HasFree;
}
public bool IsEmpty()
{
bool AllFree = true;
for (int Index = 0; Index < IsSlotFree.Length; Index++)
{
AllFree &= IsSlotFree[Index];
}
return AllFree;
}
public void FreeTlsSlot(ulong Address)
{
IsSlotFree[(Address - PageAddr) / TlsEntrySize] = true;
}
}
}