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@@ -0,0 +1,41 @@
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+# 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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+
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+import struct
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+
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+from blob import Entry_blob
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+
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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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+
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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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+ Entry_blob.__init__(self, 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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+
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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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+
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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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+
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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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+
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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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+
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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 Entry_blob.Pack(self, 0xffffffc0)
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