1# Copyright (c) 2009, 2012-2013, 2015-2017 ARM Limited
2# All rights reserved.
3#
4# The license below extends only to copyright in the software and shall
5# not be construed as granting a license to any other intellectual
6# property including but not limited to intellectual property relating
7# to a hardware implementation of the functionality of the software
8# licensed hereunder. You may use the software subject to the license

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83
84 def generateDeviceTree(self, state):
85 # Generate a device tree root node for the system by creating the root
86 # node and adding the generated subnodes of all children.
87 # When a child needs to add multiple nodes, this is done by also
88 # creating a node called '/' which will then be merged with the
89 # root instead of appended.
90
91 root = FdtNode('/')
92 root.append(state.addrCellsProperty())
93 root.append(state.sizeCellsProperty())
94
95 for node in self.recurseDeviceTree(state):
96 # Merge root nodes instead of adding them (for children
97 # that need to add multiple root level nodes)
98 if node.get_name() == root.get_name():
99 root.merge(node)
100 else:
101 root.append(node)
102

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