public void InsertBlock(
ulong baseAddress,
ulong pagesCount,
MemoryState oldState,
KMemoryPermission oldPermission,
MemoryAttribute oldAttribute,
MemoryState newState,
KMemoryPermission newPermission,
MemoryAttribute newAttribute)
{
// Insert new block on the list only on areas where the state
// of the block matches the state specified on the old* state
// arguments, otherwise leave it as is.
int oldCount = _blockTree.Count;
oldAttribute |= MemoryAttribute.IpcAndDeviceMapped;
ulong endAddr = baseAddress + pagesCount * PageSize;
KMemoryBlock currBlock = FindBlock(baseAddress);
while (currBlock != null)
{
ulong currBaseAddr = currBlock.BaseAddress;
ulong currEndAddr = currBlock.PagesCount * PageSize + currBaseAddr;
if (baseAddress < currEndAddr && currBaseAddr < endAddr)
{
MemoryAttribute currBlockAttr = currBlock.Attribute | MemoryAttribute.IpcAndDeviceMapped;
if (currBlock.State != oldState ||
currBlock.Permission != oldPermission ||
currBlockAttr != oldAttribute)
{
currBlock = currBlock.Successor;
continue;
}
if (baseAddress > currBaseAddr)
{
KMemoryBlock newBlock = currBlock.SplitRightAtAddress(baseAddress);
_blockTree.Add(newBlock);
}
if (endAddr < currEndAddr)
{
KMemoryBlock newBlock = currBlock.SplitRightAtAddress(endAddr);
_blockTree.Add(newBlock);
currBlock = newBlock;
}
currBlock.SetState(newPermission, newState, newAttribute);
currBlock = MergeEqualStateNeighbors(currBlock);
}
if (currEndAddr - 1 >= endAddr - 1)
{
break;
}
currBlock = currBlock.Successor;
}
_slabManager.Count += _blockTree.Count - oldCount;
ValidateInternalState();
}