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Currently, manually triggered reboots cause the retry counter to be incremented. However, if the system is responsive enough to process the reboot commands from either the console or TPM vendor command, we can assume that the image is "ok". This commit changes the Cr50 behaviour to decrement the retry counter when a reboot is issued on the console or the TPM vendor command is received. BUG=chrome-os-partner:62687 BRANCH=None TEST=Flash cr50. Flash an older image in the other slot. Enter the reboot command on the console over 10 times and verify that retry counter never exceeds RW_BOOT_MAX_RETRY_COUNT and older image is never executed. CQ-DEPEND=CL:444264 Change-Id: Ic35bdc63c4141834584a00a7ecceab2abe8dfc21 Signed-off-by: Aseda Aboagye <aaboagye@google.com> Reviewed-on: https://chromium-review.googlesource.com/443330 Commit-Ready: Aseda Aboagye <aaboagye@chromium.org> Tested-by: Aseda Aboagye <aaboagye@chromium.org> Reviewed-by: Vadim Bendebury <vbendeb@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