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This returns the system information that is needed to determine the correct signing keys for firmware updates. BUG=chrome-os-partner:59747 BUG=chrome-os-partner:59705 BRANCH=none TEST=make buildall; test on Reef Run the "sysinfo" command on the Cr50 console: > sysinfo Reset flags: 0x00000800 (hard) Chip: g cr50 B2 RO keyid: 0x3716ee6b(dev) RW keyid: 0xb93d6539(dev) DEV_ID: 0x017950ab 0x04656742 > Send the raw command bytes from the Reef AP, observe the result: # /tmp/trunks_send --raw 80 01 00 00 00 0C 20 00 00 00 00 12 80010000001C0000000000123716EE6BB93D6539017950AB04656742 # The result contains the same information from the console command: 8001 TPM_ST_NO_SESSIONS 0000001C responseSize (28 bytes) 00000000 RC_SUCCESS 0012 vendor-specific subcommand 3716EE6B RO keyid B93D6539 RW keyid 017950AB DEV_ID0 04656742 DEV_ID1 Change-Id: I82de3ebfb3e9be3b707583bc825d2efbcf851c5c Signed-off-by: Bill Richardson <wfrichar@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/413106 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