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https://github.com/brain-hackers/u-boot-brain
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04e6a6b9ec
Many of the existing blobs rely on external binaries which may not be available. Move them over to use blob_ext to indicate this. Unfortunately cros-ec-rw cannot use this class because it inherits another. So set the 'external' value for that class. While we are here, drop the import of Entry since it is not used (and pylint3 complains). Signed-off-by: Simon Glass <sjg@chromium.org>
42 lines
1.4 KiB
Python
42 lines
1.4 KiB
Python
# SPDX-License-Identifier: GPL-2.0+
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# Copyright (c) 2016 Google, Inc
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# Written by Simon Glass <sjg@chromium.org>
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#
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# Entry-type module for a pointer to an Intel Firmware Image Table
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#
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import struct
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from binman.etype.blob_ext import Entry_blob_ext
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class Entry_intel_fit_ptr(Entry_blob_ext):
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"""Intel Firmware Image Table (FIT) pointer
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This entry contains a pointer to the FIT. It is required to be at address
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0xffffffc0 in the image.
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"""
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def __init__(self, section, etype, node):
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super().__init__(section, etype, node)
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if self.HasSibling('intel-fit') is False:
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self.Raise("'intel-fit-ptr' section must have an 'intel-fit' sibling")
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def _GetContents(self):
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fit_pos = self.GetSiblingImagePos('intel-fit')
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return struct.pack('<II', fit_pos or 0, 0)
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def ObtainContents(self):
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self.SetContents(self._GetContents())
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return True
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def ProcessContents(self):
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"""Write an updated version of the FIT pointer to this entry
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This is necessary since image_pos is not available when ObtainContents()
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is called, since by then the entries have not been packed in the image.
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"""
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return self.ProcessContentsUpdate(self._GetContents())
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def Pack(self, offset):
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"""Special pack method to set the offset to the right place"""
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return super().Pack(0xffffffc0)
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