Files
OpenCellular/include
Vincent Palatin d9afaba9b4 flash: ensure proper pstate alignment
The pstate structure is written using the low-level
flash_physical_write() function. As a consequence, it is supposed to
meet the CONFIG_FLASH_WRITE_SIZE alignment constraint.
Add a build-time assertion to avoid silent failures.

Slightly decrease the maximum size of the serial number string, so the
structure has a natural 32-byte alignment which is compatible with a
large number of platforms (including STM32L4 which requires 64-bit
alignment).
Of course, this change is not fully backward-compatible.

Signed-off-by: Vincent Palatin <vpalatin@chromium.org>

BRANCH=none
BUG=chromium:571477 b:35648258
TEST=on STM32L442, build and run 'flashrom --wp-enable' without failure.

Change-Id: Ia8f82790a61a6c7d2cf9bfeb95bfdaf7b8c52d11
Reviewed-on: https://chromium-review.googlesource.com/458201
Commit-Ready: Vincent Palatin <vpalatin@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Reviewed-by: Nick Sanders <nsanders@chromium.org>
2017-03-24 09:32:53 -07:00
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