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ipq8064: SBL headers must have 4 byte aligned blob sizes

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It turns out that for SBL3 to load the next phase, the sizes int the
MBN header must be 4 byres aligned. This change makes sure that this
requirement is enforced.

BRANCH=None
BUG=chrome-os-partner:28137
TEST=manual
   . examined the generated header, observed the size field aligned
   . the new image gets successfully started by the SBL3 on ap148

Change-Id: Ia64f04bb281ae772b060d2f7713c98dd348972ba
Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/196167
This commit is contained in:
Vadim Bendebury 2014-04-21 18:44:48 -07:00 • committed by chrome-internal-fetch
commit fa6a52a07c
1 changed files with 3 additions and 0 deletions
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3
util/ipqheader/ipqheader.py
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@ -17,6 +17,9 @@ def create_header(base, size):
@returns: string, the MBN header
"""
# SBLs require size to be 4 bytes aligned.
size = (size + 3) & 0xfffffffc
# We currently do not support appending certificates. Signing GPL
# code might violate the GPL. So U-Boot will never be signed. So
# this is not required for U-Boot.