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