| #!/bin/sh |
| # |
| # This file is part of the coreboot project. |
| # |
| # Copyright 2019 Google Inc. |
| # |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; version 2 of the License. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| |
| main() { |
| if [ "$#" != 1 ]; then |
| echo "Usage: $0 MAINBOARD_PARTNUMBER" >&2 |
| exit 1 |
| fi |
| |
| # Generate a test-only Chrome OS HWID v2 string |
| local board="$1" |
| local prefix="$(echo "${board}" | tr a-z A-Z) TEST" |
| # gzip has second-to-last 4 bytes in CRC32. |
| local crc32="$(printf "${prefix}" | gzip -1 | tail -c 8 | head -c 4 | \ |
| hexdump -e '1/4 "%04u" ""' | tail -c 4)" |
| |
| echo "${prefix}" "${crc32}" |
| } |
| main "$@" |