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b392153c54
Also drop find_*_component, because it is not used anywhere anymore. BUG=chrome-os-partner:5459 TEST=none Change-Id: Iea49a81538c22fee4b91c8b3e5582b5174282151 Reviewed-on: http://gerrit.chromium.org/gerrit/7425 Tested-by: Stefan Reinauer <reinauer@chromium.org> Reviewed-by: Anton Staaf <robotboy@chromium.org>
137 lines
4.0 KiB
Bash
Executable File
137 lines
4.0 KiB
Bash
Executable File
#!/bin/bash
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# Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# make_netboot.sh --board=[board]
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#
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# This script validates that the current latest image is an install shim,
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# and generates a netboot image from it. This pulls the u-boot kernel
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# image bundle (uimg), the legacy firmware for netbooting, and the install
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# shim kernel image, bundled as a uboot gz/uimg, and places them in a
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# "netboot" subfolder.
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# This script is intended to be called mainly form archive_build.sh, where
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# these files are added to the factory install artifacts generated on buildbot.
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# --- BEGIN COMMON.SH BOILERPLATE ---
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# Load common CrOS utilities. Inside the chroot this file is installed in
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# /usr/lib/crosutils. Outside the chroot we find it relative to the script's
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# location.
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find_common_sh() {
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local common_paths=(/usr/lib/crosutils $(dirname "$(readlink -f "$0")"))
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local path
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SCRIPT_ROOT=
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for path in "${common_paths[@]}"; do
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if [ -r "${path}/common.sh" ]; then
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SCRIPT_ROOT=${path}
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break
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fi
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done
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}
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find_common_sh
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. "${SCRIPT_ROOT}/common.sh" || { echo "Unable to load common.sh"; exit 1; }
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# --- END COMMON.SH BOILERPLATE ---
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# Script must be run inside the chroot.
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restart_in_chroot_if_needed "$@"
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get_default_board
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DEFINE_string board "${DEFAULT_BOARD}" \
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"The board to build an image for."
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DEFINE_string image "" "Path to the image to use"
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# Parse command line.
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FLAGS "$@" || exit 1
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eval set -- "${FLAGS_ARGV}"
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set -e
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# build_packages artifact output.
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SYSROOT="${GCLIENT_ROOT}/chroot/build/${FLAGS_board}"
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# build_image artifact output.
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IMAGES_DIR="${CHROOT_TRUNK_DIR}/src/build/images"
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if [ -n "${FLAGS_image}" ]; then
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cd $(dirname "${FLAGS_image}")
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INSTALL_SHIM=$(basename "${FLAGS_image}")
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else
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cd ${IMAGES_DIR}/${FLAGS_board}/latest
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# Canonical install shim name.
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INSTALL_SHIM="factory_install_shim.bin"
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fi
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if [ ! -f "${INSTALL_SHIM}" ]; then
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echo "Cannot locate ${INSTALL_SHIM}, nothing to netbootify!"
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exit 1
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fi
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# Generate staging dir for netboot files.
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sudo rm -rf netboot
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mkdir -p netboot
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# Get netboot firmware.
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# TODO(nsanders): Set default IP here when userspace
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# env modification is available.
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# TODO(nsanders): ARM generic doesn't build chromeos-u-boot package.
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# When ARM generic goes away, delete the test.
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if [ -r "${SYSROOT}/firmware/legacy_image.bin" ]; then
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echo "Copying netboot firmware legacy_image.bin"
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cp "${SYSROOT}/firmware/legacy_image.bin" "netboot"
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cp "${GCLIENT_ROOT}/chroot/usr/bin/update_firmware_vars.py" "netboot"
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else
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echo "Skipping legacy fw: ${SYSROOT}/firmware/legacy_image.bin not present?"
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fi
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# Prepare to mount rootfs.
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umount_loop() {
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sudo umount r || true
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sudo umount s || true
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false
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}
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echo "Unpack factory install shim partitions"
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./unpack_partitions.sh "${INSTALL_SHIM}"
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# Genrate clean mountpoints.
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sudo rm -rf r s
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mkdir -p r s
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# Clean ROified filesystem headers, and mount.
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trap "umount_loop" EXIT
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enable_rw_mount part_3
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sudo mount -o loop part_3 r
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sudo mount -o loop part_1 s
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echo "Mount install shim rootfs (partition 3)"
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# Get netboot kernel.
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echo "Generating netboot kernel vmlinux.uimg"
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cp "r/boot/vmlinux.uimg" "netboot"
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echo "Add lsb-factory"
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# Copy factory config file.
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# TODO(nsanders): switch this to u-boot env var config.
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LSB_FACTORY_DIR="mnt/stateful_partition/dev_image/etc"
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sudo mkdir -p "r/${LSB_FACTORY_DIR}"
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sudo cp "s/dev_image/etc/lsb-factory" "r/${LSB_FACTORY_DIR}"
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# Clean up mounts.
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trap - EXIT
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sudo umount r s
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sudo rm -rf r s
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# Generate an initrd fo u-boot to load.
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gzip -9 -c part_3 > ext2_rootfs.gz
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echo "Generating netboot rootfs initrd.uimg"
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# U-boot's uimg wrapper specifies where we will load the blob into memory.
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# tftp boot's default root address is set to 0x12008000 in legacy_image.bin,
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# so we want to unpack it there.
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mkimage -A arm -O linux -T ramdisk -a 0x12008000 \
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-n "Factory Install RootFS" -C gzip -d ext2_rootfs.gz \
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netboot/initrd.uimg
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# Cleanup
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rm -rf ext2_rootfs.gz part_*
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