mirror of
https://github.com/flatcar/scripts.git
synced 2025-08-07 21:16:57 +02:00
e72689e500
Now that netboot firmware is named 'nv_image-xxx.bin', let's change it in make_netboot.sh. Also, update_firmware_vars.py is already included in factory_setup. There is no need to copy it to factory_shim. Remove it. BUG=chrome-os-partner:17471 TEST=Run make_netboot and see nv_image copied. Change-Id: I513c0377d63e2088b36275ab79ea06c6652e4bb4 Signed-off-by: Vic Yang <victoryang@chromium.org> Reviewed-on: https://gerrit.chromium.org/gerrit/42093 Reviewed-by: Hung-Te Lin <hungte@chromium.org>
155 lines
4.6 KiB
Bash
Executable File
155 lines
4.6 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
# Copyright (c) 2011 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.
|
|
|
|
# make_netboot.sh --board=[board]
|
|
#
|
|
# This script validates that the current latest image is an install shim,
|
|
# and generates a netboot image from it. This pulls the u-boot kernel
|
|
# image bundle (uimg), the legacy firmware for netbooting, and the install
|
|
# shim kernel image, bundled as a uboot gz/uimg, and places them in a
|
|
# "netboot" subfolder.
|
|
|
|
SCRIPT_ROOT=$(dirname $(readlink -f "$0"))
|
|
. "${SCRIPT_ROOT}/common.sh" || exit 1
|
|
|
|
# Script must be run inside the chroot.
|
|
restart_in_chroot_if_needed "$@"
|
|
|
|
DEFINE_string board "${DEFAULT_BOARD}" \
|
|
"The board to build an image for."
|
|
DEFINE_string image "" "Path to the image to use"
|
|
|
|
# Parse command line.
|
|
FLAGS "$@" || exit 1
|
|
eval set -- "${FLAGS_ARGV}"
|
|
|
|
. "${SCRIPT_ROOT}/build_library/build_common.sh" || exit 1
|
|
. "${BUILD_LIBRARY_DIR}/board_options.sh" || exit 1
|
|
|
|
switch_to_strict_mode
|
|
# build_packages artifact output.
|
|
SYSROOT="${GCLIENT_ROOT}/chroot/build/${FLAGS_board}"
|
|
# build_image artifact output.
|
|
IMAGES_DIR="${CHROOT_TRUNK_DIR}/src/build/images"
|
|
|
|
if [ -n "${FLAGS_image}" ]; then
|
|
cd $(dirname "${FLAGS_image}")
|
|
INSTALL_SHIM=$(basename "${FLAGS_image}")
|
|
else
|
|
cd ${IMAGES_DIR}/${FLAGS_board}/latest
|
|
# Canonical install shim name.
|
|
INSTALL_SHIM="factory_install_shim.bin"
|
|
fi
|
|
|
|
if [ ! -f "${INSTALL_SHIM}" ]; then
|
|
echo "Cannot locate ${INSTALL_SHIM}, nothing to netbootify!"
|
|
exit 1
|
|
fi
|
|
|
|
# Generate staging dir for netboot files.
|
|
sudo rm -rf netboot
|
|
mkdir -p netboot
|
|
|
|
# Get netboot firmware.
|
|
# TODO(nsanders): Set default IP here when userspace
|
|
# env modification is available.
|
|
# TODO(nsanders): ARM generic doesn't build chromeos-u-boot package.
|
|
# When ARM generic goes away, delete the test.
|
|
if ls "${SYSROOT}"/firmware/nv_image-*.bin >/dev/null 2>&1; then
|
|
echo "Copying netboot firmware nv_image-*.bin"
|
|
cp -v "${SYSROOT}"/firmware/nv_image-*.bin "netboot"
|
|
else
|
|
echo "Skipping netboot firmware: " \
|
|
"${SYSROOT}/firmware/nv_image-*.bin not present?"
|
|
fi
|
|
|
|
# Prepare to mount rootfs.
|
|
umount_loop() {
|
|
safe_umount r || true
|
|
safe_umount s || true
|
|
false
|
|
}
|
|
|
|
echo "Unpack factory install shim partitions"
|
|
./unpack_partitions.sh "${INSTALL_SHIM}"
|
|
|
|
# Genrate clean mountpoints.
|
|
sudo rm -rf r s
|
|
mkdir -p r s
|
|
|
|
# Clean ROified filesystem headers, and mount.
|
|
trap "umount_loop" EXIT
|
|
enable_rw_mount part_3
|
|
sudo mount -o loop part_3 r
|
|
sudo mount -o loop part_1 s
|
|
echo "Mount install shim rootfs (partition 3)"
|
|
|
|
if [ "${ARCH}" = "arm" ]; then
|
|
export MKIMAGE_ARCH="arm"
|
|
else
|
|
export MKIMAGE_ARCH="x86" # including amd64
|
|
fi
|
|
|
|
# Get netboot kernel.
|
|
echo "Building kernel"
|
|
|
|
# Create temporary emerge root
|
|
temp_build_path="$(mktemp -d bk_XXXXXXXX)"
|
|
if ! [ -d "${temp_build_path}" ]; then
|
|
echo "Failed to create temporary directory."
|
|
exit 1
|
|
fi
|
|
|
|
# Emerge network boot kernel
|
|
# We don't want to build whole install shim everytime we run this script,
|
|
# and thus we only build kernel here. If this script is run against install
|
|
# shim with different kernel version, this might not work. But as we don't
|
|
# upgrade kernel so often, this is probably fine.
|
|
export USE='vfat blkdevram fbconsole i2cdev'
|
|
export EMERGE_BOARD_CMD="emerge-${FLAGS_board}"
|
|
emerge_custom_kernel ${temp_build_path}
|
|
|
|
# Generate kernel uImage
|
|
echo "Generating netboot kernel vmlinux.uimg"
|
|
|
|
if [ "${ARCH}" = "arm" ]; then
|
|
cp "${temp_build_path}"/boot/vmlinux.uimg netboot/
|
|
else
|
|
# U-boot put kernel image at 0x100000. We load it at 0x3000000 because
|
|
# 0x3000000 is safe enough not to overlap with image at 0x100000.
|
|
mkimage -A "${MKIMAGE_ARCH}" -O linux -T kernel -n "Linux kernel" -C none \
|
|
-d "${temp_build_path}"/boot/vmlinuz \
|
|
-a 0x03000000 -e 0x03000000 netboot/vmlinux.uimg
|
|
fi
|
|
|
|
# Clean up temporary emerge root
|
|
sudo rm -rf "${temp_build_path}"
|
|
|
|
echo "Add lsb-factory"
|
|
# Copy factory config file.
|
|
# TODO(nsanders): switch this to u-boot env var config.
|
|
LSB_FACTORY_DIR="mnt/stateful_partition/dev_image/etc"
|
|
sudo mkdir -p "r/${LSB_FACTORY_DIR}"
|
|
sudo cp "s/dev_image/etc/lsb-factory" "r/${LSB_FACTORY_DIR}"
|
|
|
|
# Clean up mounts.
|
|
trap - EXIT
|
|
safe_umount r s
|
|
sudo rm -rf r s
|
|
|
|
# Generate an initrd fo u-boot to load.
|
|
gzip -9 -c part_3 > ext2_rootfs.gz
|
|
echo "Generating netboot rootfs initrd.uimg"
|
|
# U-boot's uimg wrapper specifies where we will load the blob into memory.
|
|
# tftp boot's default root address is set to 0x12008000 in legacy_image.bin,
|
|
# so we want to unpack it there.
|
|
mkimage -A "${MKIMAGE_ARCH}" -O linux -T ramdisk -a 0x12008000 \
|
|
-n "Factory Install RootFS" -C gzip -d ext2_rootfs.gz \
|
|
netboot/initrd.uimg
|
|
|
|
# Cleanup
|
|
rm -rf ext2_rootfs.gz part_*
|