blob: ccac937319f04653bff277afd9abb34719529feb [file] [log] [blame]
# Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# Script to increment kernel subkey for firmware updates.
# Used when revving versions for a firmware update.
# Load common constants and variables.
. "$(dirname "$0")/"
# Abort on errors.
set -e
if [ $# -ne 1 ]; then
cat <<EOF
Usage: $0 <keyset directory>
Increments the kernel subkey in the specified keyset.
exit 1
main() {
load_current_versions "${KEY_DIR}"
new_firm_ver=$(increment_version "${KEY_DIR}" "firmware_version")
cd "${KEY_DIR}"
backup_existing_kernel_subkeys ${CURR_FIRM_VER} ${CURR_KERNKEY_VER}
cat <<EOF
Generating new kernel subkey and new kernel keyblock.
New Firmware version (due to kernel subkey change): ${new_firm_ver}.
make_pair kernel_subkey ${KERNEL_SUBKEY_ALGOID} ${new_firm_ver}
make_keyblock kernel $KERNEL_KEYBLOCK_MODE kernel_data_key kernel_subkey
write_updated_version_file ${CURR_FIRMKEY_VER} ${new_firm_ver} \
main "$@"