tree 441193a5a33bac7b9762de96e8a5573254da8872
parent 8c8072aa4a084aace4ee16614fad9c626c8f8a44
author William A. Kennington III <wak@google.com> 1554417030 -0700
committer William A. Kennington III <wak@google.com> 1554497134 -0700

mainapp: Add an option for watching post codes

We have some machines that use an IPMI watchdog, but can sometimes take
so long to reboot that the watchdog ends up tripping during the boot
process. Unfortunately the boot firmware has no method of talking IPMI
to pet the watchdog, but does emit post codes during the boot up process
when it makes forward progress.

This change adds a flag to instruct the watchdog that it should reset
the TimeRemaining on the watchdog any time new post codes are seen from
the host.

Tested:
    Verified that post codes signals were received during
    the boot process and the watchdog TimeRemaining was updated
    accordingly.

Change-Id: Ie0616f0fe4ee6601f9afdc4eba71f34968780794
Signed-off-by: William A. Kennington III <wak@google.com>