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34 lines
1.5 KiB
Diff
34 lines
1.5 KiB
Diff
From b7150f7dd885012868c94b29ac4fe6152c065a95 Mon Sep 17 00:00:00 2001
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From: Samuel Holland <samuel@sholland.org>
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Date: Sat, 9 Oct 2021 10:43:56 -0500
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Subject: [PATCH 24/90] binman: Prevent entries in a section from overlapping
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Currently, if the "offset" property is given for an entry, the section's
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running offset is completely ignored. This causes entries to overlap if
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the provided offset is less than the size of the entries earlier in the
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section. Avoid the overlap by only using the provided offset when it is
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greater than the running offset.
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The motivation for this change is the rule used by SPL to find U-Boot on
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sunxi boards: U-Boot starts 32 KiB after the start of SPL, unless SPL is
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larger than 32 KiB, in which case U-Boot immediately follows SPL.
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Signed-off-by: Samuel Holland <samuel@sholland.org>
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---
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tools/binman/entry.py | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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--- a/tools/binman/entry.py
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+++ b/tools/binman/entry.py
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@@ -483,7 +483,9 @@ class Entry(object):
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if self.offset_unset:
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self.Raise('No offset set with offset-unset: should another '
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'entry provide this correct offset?')
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- self.offset = tools.align(offset, self.align)
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+ elif self.offset > offset:
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+ offset = self.offset
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+ self.offset = tools.align(offset, self.align)
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needed = self.pad_before + self.contents_size + self.pad_after
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needed = tools.align(needed, self.align_size)
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size = self.size
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