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https://github.com/brain-hackers/u-boot-brain
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34861d506c
It is easier and less error-prone to use super() when the parent type is needed. Update binman to remove the type names. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
42 lines
1.3 KiB
Python
42 lines
1.3 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 import Entry_blob
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class Entry_intel_fit_ptr(Entry_blob):
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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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