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7d9bd07693
Previously, an error reading Board ID would prevent any image from
running, even a wildcard (unrestricted) image with mask=flags=0 which
would match any Board ID.
Now, if Board ID can't be read, match the image against
type=type_inv=flags=0. This will match only an unrestricted image.
(This is better than checking directly for an unrestricted image,
because that check is more susceptible to clock-jitter-induced errors.)
BUG=b:67651806
BRANCH=cr50
TEST=Hack read_board_id() to return error. See that an unrestricted
image will now boot.
Change-Id: I1071e146b4541e8efd50c8409b8f76012a107731
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/713574
Reviewed-by: Mary Ruthven <mruthven@chromium.org>
For an overview of the Embedded Controller firmware, refer to http://www.chromium.org/chromium-os/2014-firmware-summit For instructions on building from source, refer to http://www.chromium.org/chromium-os/ec-development/getting-started-building-ec-images-quickly