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Refer to chip/mec1322/util/pack_ec.py in chromeec project for MEC1322
firmware format.
Tested on the backup files of the system and private flashes of HP
EliteBook 820 G1. This tool can dump the EC firmware from both flashes
and insert the EC firmware to the original ROM file and make the ROM
unchanged.
It needs to be tested on real hardware to see if a modified ROM with
a re-inserted EC firmware works.
Change-Id: I999bf0289216bf72c4f8f19182c7670d7008b5f9
Signed-off-by: Iru Cai <mytbk920423@gmail.com>
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