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Initial work to support changing thread core on the scheduler, also some cond var priority fixes

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This commit is contained in:
gdkchan 2018-05-13 00:22:42 -03:00
parent 3603497a13
commit 4546d1b9be
9 changed files with 442 additions and 199 deletions
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158
Ryujinx.Core/OsHle/Handles/ThreadQueue.cs Normal file
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namespace Ryujinx.Core.OsHle.Handles
{
class ThreadQueue
{
private const int LowestPriority = 0x40;
private SchedulerThread Head;
private object ListLock;
public ThreadQueue()
{
ListLock = new object();
}
public void Push(SchedulerThread Wait)
{
lock (ListLock)
{
//Ensure that we're not creating circular references
//by adding a thread that is already on the list.
if (HasThread(Wait))
{
return;
}
if (Head == null || Head.Thread.ActualPriority > Wait.Thread.ActualPriority)
{
Wait.Next = Head;
Head = Wait;
return;
}
SchedulerThread Curr = Head;
while (Curr.Next != null)
{
if (Curr.Next.Thread.ActualPriority > Wait.Thread.ActualPriority)
{
break;
}
Curr = Curr.Next;
}
Wait.Next = Curr.Next;
Curr.Next = Wait;
}
}
public SchedulerThread Pop(int Core, int MinPriority = LowestPriority)
{
lock (ListLock)
{
int CoreMask = 1 << Core;
SchedulerThread Prev = null;
SchedulerThread Curr = Head;
while (Curr != null)
{
KThread Thread = Curr.Thread;
if (Thread.ActualPriority <= MinPriority && (Thread.CoreMask & CoreMask) != 0)
{
if (Prev != null)
{
Prev.Next = Curr.Next;
}
else
{
Head = Head.Next;
}
break;
}
Prev = Curr;
Curr = Curr.Next;
}
return Curr;
}
}
public bool Remove(SchedulerThread Thread)
{
lock (ListLock)
{
if (Head == null)
{
return false;
}
else if (Head == Thread)
{
Head = Head.Next;
return true;
}
SchedulerThread Prev = Head;
SchedulerThread Curr = Head.Next;
while (Curr != null)
{
if (Curr == Thread)
{
Prev.Next = Curr.Next;
return true;
}
Prev = Curr;
Curr = Curr.Next;
}
return false;
}
}
public bool Resort(SchedulerThread Thread)
{
lock (ListLock)
{
if (Remove(Thread))
{
Push(Thread);
return true;
}
return false;
}
}
public bool HasThread(SchedulerThread Thread)
{
lock (ListLock)
{
SchedulerThread Curr = Head;
while (Curr != null)
{
if (Curr == Thread)
{
return true;
}
Curr = Curr.Next;
}
return false;
}
}
}
}