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Fix block iteration on kernel MemoryManager InsertBlock function (#1184)

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gdkchan 2020-05-06 09:48:57 -03:00 committed by GitHub
parent b8eb6abecc
commit 1e687c4eea
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 16 additions and 20 deletions
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36
Ryujinx.HLE/HOS/Kernel/Memory/KMemoryManager.cs
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@ -2420,9 +2420,9 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
while (node != null) while (node != null)
{ {
KMemoryBlock currBlock = node.Value; LinkedListNode<KMemoryBlock> newNode = node;
LinkedListNode<KMemoryBlock> nextNode = node.Next; KMemoryBlock currBlock = node.Value;
ulong currBaseAddr = currBlock.BaseAddress; ulong currBaseAddr = currBlock.BaseAddress;
ulong currEndAddr = currBlock.PagesCount * PageSize + currBaseAddr; ulong currEndAddr = currBlock.PagesCount * PageSize + currBaseAddr;
@ -2435,13 +2435,11 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
currBlock.Permission != oldPermission || currBlock.Permission != oldPermission ||
currBlockAttr != oldAttribute) currBlockAttr != oldAttribute)
{ {
node = nextNode; node = node.Next;
continue; continue;
} }
LinkedListNode<KMemoryBlock> newNode = node;
if (baseAddress > currBaseAddr) if (baseAddress > currBaseAddr)
{ {
_blocks.AddBefore(node, currBlock.SplitRightAtAddress(baseAddress)); _blocks.AddBefore(node, currBlock.SplitRightAtAddress(baseAddress));
@ -2454,7 +2452,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
newNode.Value.SetState(newPermission, newState, newAttribute); newNode.Value.SetState(newPermission, newState, newAttribute);
MergeEqualStateNeighbors(newNode); newNode = MergeEqualStateNeighbors(newNode);
} }
if (currEndAddr - 1 >= endAddr - 1) if (currEndAddr - 1 >= endAddr - 1)
@ -2462,7 +2460,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
break; break;
} }
node = nextNode; node = newNode.Next;
} }
_blockAllocator.Count += _blocks.Count - oldCount; _blockAllocator.Count += _blocks.Count - oldCount;
@ -2485,17 +2483,15 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
while (node != null) while (node != null)
{ {
KMemoryBlock currBlock = node.Value; LinkedListNode<KMemoryBlock> newNode = node;
LinkedListNode<KMemoryBlock> nextNode = node.Next; KMemoryBlock currBlock = node.Value;
ulong currBaseAddr = currBlock.BaseAddress; ulong currBaseAddr = currBlock.BaseAddress;
ulong currEndAddr = currBlock.PagesCount * PageSize + currBaseAddr; ulong currEndAddr = currBlock.PagesCount * PageSize + currBaseAddr;
if (baseAddress < currEndAddr && currBaseAddr < endAddr) if (baseAddress < currEndAddr && currBaseAddr < endAddr)
{ {
LinkedListNode<KMemoryBlock> newNode = node;
if (baseAddress > currBaseAddr) if (baseAddress > currBaseAddr)
{ {
_blocks.AddBefore(node, currBlock.SplitRightAtAddress(baseAddress)); _blocks.AddBefore(node, currBlock.SplitRightAtAddress(baseAddress));
@ -2508,7 +2504,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
newNode.Value.SetState(permission, state, attribute); newNode.Value.SetState(permission, state, attribute);
MergeEqualStateNeighbors(newNode); newNode = MergeEqualStateNeighbors(newNode);
} }
if (currEndAddr - 1 >= endAddr - 1) if (currEndAddr - 1 >= endAddr - 1)
@ -2516,7 +2512,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
break; break;
} }
node = nextNode; node = newNode.Next;
} }
_blockAllocator.Count += _blocks.Count - oldCount; _blockAllocator.Count += _blocks.Count - oldCount;
@ -2551,17 +2547,15 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
while (node != null) while (node != null)
{ {
KMemoryBlock currBlock = node.Value; LinkedListNode<KMemoryBlock> newNode = node;
LinkedListNode<KMemoryBlock> nextNode = node.Next; KMemoryBlock currBlock = node.Value;
ulong currBaseAddr = currBlock.BaseAddress; ulong currBaseAddr = currBlock.BaseAddress;
ulong currEndAddr = currBlock.PagesCount * PageSize + currBaseAddr; ulong currEndAddr = currBlock.PagesCount * PageSize + currBaseAddr;
if (baseAddress < currEndAddr && currBaseAddr < endAddr) if (baseAddress < currEndAddr && currBaseAddr < endAddr)
{ {
LinkedListNode<KMemoryBlock> newNode = node;
if (baseAddress > currBaseAddr) if (baseAddress > currBaseAddr)
{ {
_blocks.AddBefore(node, currBlock.SplitRightAtAddress(baseAddress)); _blocks.AddBefore(node, currBlock.SplitRightAtAddress(baseAddress));
@ -2576,7 +2570,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
blockMutate(newBlock, permission); blockMutate(newBlock, permission);
MergeEqualStateNeighbors(newNode); newNode = MergeEqualStateNeighbors(newNode);
} }
if (currEndAddr - 1 >= endAddr - 1) if (currEndAddr - 1 >= endAddr - 1)
@ -2584,13 +2578,13 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
break; break;
} }
node = nextNode; node = newNode.Next;
} }
_blockAllocator.Count += _blocks.Count - oldCount; _blockAllocator.Count += _blocks.Count - oldCount;
} }
private void MergeEqualStateNeighbors(LinkedListNode<KMemoryBlock> node) private LinkedListNode<KMemoryBlock> MergeEqualStateNeighbors(LinkedListNode<KMemoryBlock> node)
{ {
KMemoryBlock block = node.Value; KMemoryBlock block = node.Value;
@ -2622,6 +2616,8 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
block.AddPages(nextBlock.PagesCount); block.AddPages(nextBlock.PagesCount);
} }
} }
return node;
} }
private static bool BlockStateEquals(KMemoryBlock lhs, KMemoryBlock rhs) private static bool BlockStateEquals(KMemoryBlock lhs, KMemoryBlock rhs)