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# SPDX-License-Identifier: GPL-2.0+
# Copyright (c) 2018 Google, Inc
# Written by Simon Glass <sjg@chromium.org>
#
# Entry-type module for U-Boot device tree files
#
import state
from entry import Entry
from blob import Entry_blob
class Entry_blob_dtb(Entry_blob):
"""A blob that holds a device tree
This is a blob containing a device tree. The contents of the blob are
obtained from the list of available device-tree files, managed by the
'state' module.
"""
def __init__(self, section, etype, node):
Entry_blob.__init__(self, section, etype, node)
def ObtainContents(self):
"""Get the device-tree from the list held by the 'state' module"""
self._filename = self.GetDefaultFilename()
self._pathname, data = state.GetFdtContents(self._filename)
self.SetContents(data)
return True
def ProcessContents(self):
"""Re-read the DTB contents so that we get any calculated properties"""
_, data = state.GetFdtContents(self._filename)
self.SetContents(data)
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