| # Copyright 2021 The ChromiumOS Authors |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """A script to generate MiniOS kernel images. |
| |
| And inserting them into the Chromium OS images. |
| """ |
| |
| import tempfile |
| |
| from chromite.lib import commandline |
| from chromite.lib import constants |
| from chromite.lib import minios |
| |
| |
| def GetParser(): |
| """Creates an argument parser and returns it.""" |
| parser = commandline.ArgumentParser(description=__doc__, jobs=True) |
| parser.add_argument( |
| "--board", "-b", "--build-target", required=True, help="The board name." |
| ) |
| parser.add_argument( |
| "--version", required=True, help="The chromeos version string." |
| ) |
| parser.add_argument( |
| "--image", |
| type="str_path", |
| required=True, |
| help="The path to the chromium os image.", |
| ) |
| parser.add_argument( |
| "--keys-dir", |
| type="str_path", |
| help="The path to keyset.", |
| default=constants.VBOOT_DEVKEYS_DIR, |
| ) |
| parser.add_argument( |
| "--public-key", |
| help="Filename to the public key whose private part " |
| "signed the keyblock.", |
| default=constants.RECOVERY_PUBLIC_KEY, |
| ) |
| parser.add_argument( |
| "--private-key", |
| help="Filename to the private key whose public part is " |
| "baked into the keyblock.", |
| default=constants.MINIOS_DATA_PRIVATE_KEY, |
| ) |
| parser.add_argument( |
| "--keyblock", |
| help="Filename to the kernel keyblock.", |
| default=constants.MINIOS_KEYBLOCK, |
| ) |
| parser.add_argument( |
| "--serial", |
| type=str, |
| help="Serial port for the kernel console (e.g. printks)", |
| ) |
| parser.add_argument( |
| "--mod-for-dev", |
| action="store_true", |
| help="Repack the MiniOS image with debug flags.", |
| ) |
| parser.add_argument( |
| "--force-build", |
| action="store_true", |
| help="Force the kernel to be rebuilt when repacking with " |
| "debug flags. Use with --mod-for-dev in case kernel is " |
| "not already built or needs to be rebuilt.", |
| ) |
| return parser |
| |
| |
| def main(argv) -> None: |
| parser = GetParser() |
| opts = parser.parse_args(argv) |
| opts.Freeze() |
| |
| with tempfile.TemporaryDirectory() as work_dir: |
| build_kernel = opts.force_build if opts.mod_for_dev else True |
| kernel = minios.CreateMiniOsKernelImage( |
| opts.board, |
| opts.version, |
| work_dir, |
| opts.keys_dir, |
| opts.public_key, |
| opts.private_key, |
| opts.keyblock, |
| opts.serial, |
| opts.jobs, |
| build_kernel, |
| opts.mod_for_dev, |
| ) |
| minios.InsertMiniOsKernelImage(opts.image, kernel) |