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80 lines
2.1 KiB
C#
80 lines
2.1 KiB
C#
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using System.Collections;
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using System.Collections.Generic;
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namespace Ryujinx.HLE.HOS.Kernel
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{
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class KPageList : IEnumerable<KPageNode>
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{
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public LinkedList<KPageNode> Nodes { get; private set; }
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public KPageList()
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{
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Nodes = new LinkedList<KPageNode>();
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}
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public KernelResult AddRange(ulong Address, ulong PagesCount)
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{
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if (PagesCount != 0)
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{
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if (Nodes.Last != null)
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{
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KPageNode LastNode = Nodes.Last.Value;
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if (LastNode.Address + LastNode.PagesCount * KMemoryManager.PageSize == Address)
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{
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Address = LastNode.Address;
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PagesCount += LastNode.PagesCount;
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Nodes.RemoveLast();
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}
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}
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Nodes.AddLast(new KPageNode(Address, PagesCount));
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}
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return KernelResult.Success;
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}
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public ulong GetPagesCount()
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{
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ulong Sum = 0;
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foreach (KPageNode Node in Nodes)
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{
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Sum += Node.PagesCount;
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}
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return Sum;
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}
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public bool IsEqual(KPageList Other)
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{
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LinkedListNode<KPageNode> ThisNode = Nodes.First;
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LinkedListNode<KPageNode> OtherNode = Other.Nodes.First;
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while (ThisNode != null && OtherNode != null)
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{
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if (ThisNode.Value.Address != OtherNode.Value.Address ||
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ThisNode.Value.PagesCount != OtherNode.Value.PagesCount)
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{
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return false;
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}
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ThisNode = ThisNode.Next;
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OtherNode = OtherNode.Next;
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}
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return ThisNode == null && OtherNode == null;
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}
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public IEnumerator<KPageNode> GetEnumerator()
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{
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return Nodes.GetEnumerator();
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}
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IEnumerator IEnumerable.GetEnumerator()
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{
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return GetEnumerator();
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}
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}
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}
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