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Diffstat (limited to 'scripts/mkefi-agl.sh')
| -rwxr-xr-x | scripts/mkefi-agl.sh | 397 |
1 files changed, 397 insertions, 0 deletions
diff --git a/scripts/mkefi-agl.sh b/scripts/mkefi-agl.sh new file mode 100755 index 000000000..d1cf6f490 --- /dev/null +++ b/scripts/mkefi-agl.sh @@ -0,0 +1,397 @@ +#!/bin/sh +# +# Copyright (c) 2012, Intel Corporation. +# All rights reserved. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See +# the GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# +# Modification from mkefidisk.sh provided by the Yocto project by Dominig +# to install Automotive Grade Linux (AGL) on Minnowboard and any PC with UEFI boot +# +# changes +# - simpler use model +# - keep initrd if present +# - create a grub config with PARTUID to ease boot from various devices automaticaly +# - add a UEFI startup.nsh script for autoboot +# - does not allocate swap +# + +LANG=C + +# Set to 1 to enable additional output +DEBUG=0 +OUT="/dev/null" + +# +# Defaults +# +# 20 Mb for the boot partition +BOOT_SIZE=20 + +# Cleanup after die() +cleanup() { + debug "Syncing and unmounting devices" + # Unmount anything we mounted + unmount $ROOTFS_MNT || error "Failed to unmount $ROOTFS_MNT" + unmount $BOOTFS_MNT || error "Failed to unmount $BOOTFS_MNT" + unmount $HDDIMG_ROOTFS_MNT || error "Failed to unmount $HDDIMG_ROOTFS_MNT" + unmount $HDDIMG_MNT || error "Failed to unmount $HDDIMG_MNT" + + # Remove the TMPDIR + debug "Removing temporary files" + if [ -d "$TMPDIR" ]; then + rm -rf $TMPDIR || error "Failed to remove $TMPDIR" + fi +} + +trap 'die "Signal Received, Aborting..."' HUP INT TERM + +# Logging routines +WARNINGS=0 +ERRORS=0 +CLEAR="$(tput sgr0)" +INFO="$(tput bold)" +RED="$(tput setaf 1)$(tput bold)" +GREEN="$(tput setaf 2)$(tput bold)" +YELLOW="$(tput setaf 3)$(tput bold)" +info() { + echo "${INFO}$1${CLEAR}" +} +error() { + ERRORS=$((ERRORS+1)) + echo "${RED}$1${CLEAR}" +} +warn() { + WARNINGS=$((WARNINGS+1)) + echo "${YELLOW}$1${CLEAR}" +} +success() { + echo "${GREEN}$1${CLEAR}" +} +die() { + error "$1" + cleanup + exit 1 +} +debug() { + if [ $DEBUG -eq 1 ]; then + echo "$1" + fi +} + +usage() { + echo "Install AGL on a removable device to boot on IA UEFI based computer" + echo "In particular is can create USB or SD bootable support for Minnowboard" + echo "" + echo "Usage: $(basename $0) [-v] HDDIMG REMOVABLE_DEVICE" + echo " -v: Verbose debug" + echo " HDDIMG: The hddimg file to generate the efi disk from" + echo " REMOVABLE_DEVICE: The block device to write the image to, e.g. /dev/sdh" + echo "ex:" + echo " mkefi-agl.sh agl-demo-platform-intel-corei7-64.hddimg /dev/sdd" + exit 1 +} + +image_details() { + IMG=$1 + info "Image details" + echo " image: $(stat --printf '%N\n' $IMG)" + echo " size: $(stat -L --printf '%s bytes\n' $IMG)" + echo " modified: $(stat -L --printf '%y\n' $IMG)" + echo " type: $(file -L -b $IMG)" + echo "" +} + +device_details() { + DEV=$1 + BLOCK_SIZE=512 + + info "Device details" + echo " device: $DEVICE" + if [ -f "/sys/class/block/$DEV/device/vendor" ]; then + echo " vendor: $(cat /sys/class/block/$DEV/device/vendor)" + else + echo " vendor: UNKOWN" + fi + if [ -f "/sys/class/block/$DEV/device/model" ]; then + echo " model: $(cat /sys/class/block/$DEV/device/model)" + else + echo " model: UNKNOWN" + fi + if [ -f "/sys/class/block/$DEV/size" ]; then + echo " size: $(($(cat /sys/class/block/$DEV/size) * $BLOCK_SIZE)) bytes" + else + echo " size: UNKNOWN" + fi + echo "" +} + +unmount_device() { + grep -q $DEVICE /proc/mounts + if [ $? -eq 0 ]; then + warn "$DEVICE listed in /proc/mounts, attempting to unmount" + umount $DEVICE* 2>/dev/null + return $? + fi + return 0 +} + +unmount() { + if [ "$1" = "" ] ; then + return 0 + fi + grep -q $1 /proc/mounts + if [ $? -eq 0 ]; then + debug "Unmounting $1" + umount $1 + return $? + fi + return 0 +} + +# +# Parse and validate arguments +# +if [ "$1" != "-v" ] && [ $# -ne 2 ]; then + usage +fi +if [ "$1" == "-v" ] && [ $# -ne 3 ]; then + usage +fi + +if [ "$1" = "-v" ] ; then + DEBUG=1 + OUT="1" + shift +fi + +HDDIMG=$1 +DEVICE=$2 + +LINK=$(readlink $DEVICE) +if [ $? -eq 0 ]; then + DEVICE="$LINK" +fi + +if [ ! -w "$DEVICE" ]; then + if [ ! -e "${DEVICE}" ] ; then + die "Device $DEVICE cannot be found" + else + die "Device $DEVICE is not writable (need to run under sudo?)" + fi +fi + +if [ ! -e "$HDDIMG" ]; then + die "HDDIMG $HDDIMG does not exist" +fi + +# +# Ensure the hddimg is not mounted +# +unmount "$HDDIMG" || die "Failed to unmount $HDDIMG" + +# +# Check if any $DEVICE partitions are mounted +# +unmount_device || die "Failed to unmount $DEVICE" + +# +# Confirm device with user +# +image_details $HDDIMG +device_details $(basename $DEVICE) +echo -n "${INFO}Prepare EFI image on $DEVICE [y/N]?${CLEAR} " +read RESPONSE +if [ "$RESPONSE" != "y" ]; then + echo "Image creation aborted" + exit 0 +fi + + +# +# Prepare the temporary working space +# +TMPDIR=$(mktemp -d mkefidisk-XXX) || die "Failed to create temporary mounting directory." +HDDIMG_MNT=$TMPDIR/hddimg +HDDIMG_ROOTFS_MNT=$TMPDIR/hddimg_rootfs +ROOTFS_MNT=$TMPDIR/rootfs +BOOTFS_MNT=$TMPDIR/bootfs +mkdir $HDDIMG_MNT || die "Failed to create $HDDIMG_MNT" +mkdir $HDDIMG_ROOTFS_MNT || die "Failed to create $HDDIMG_ROOTFS_MNT" +mkdir $ROOTFS_MNT || die "Failed to create $ROOTFS_MNT" +mkdir $BOOTFS_MNT || die "Failed to create $BOOTFS_MNT" + + +# +# Partition $DEVICE +# +DEVICE_SIZE=$(parted -s $DEVICE unit mb print | grep ^Disk | cut -d" " -f 3 | sed -e "s/MB//") +# If the device size is not reported there may not be a valid label +if [ "$DEVICE_SIZE" = "" ] ; then + parted -s $DEVICE mklabel msdos || die "Failed to create MSDOS partition table" + DEVICE_SIZE=$(parted -s $DEVICE unit mb print | grep ^Disk | cut -d" " -f 3 | sed -e "s/MB//") +fi +ROOTFS_SIZE=$((DEVICE_SIZE-BOOT_SIZE)) +ROOTFS_START=$((BOOT_SIZE)) +ROOTFS_END=$((ROOTFS_START+ROOTFS_SIZE)) + +# MMC devices use a partition prefix character 'p' +PART_PREFIX="" +if [ ! "${DEVICE#/dev/mmcblk}" = "${DEVICE}" ] || [ ! "${DEVICE#/dev/loop}" = "${DEVICE}" ]; then + PART_PREFIX="p" +fi +BOOTFS=$DEVICE${PART_PREFIX}1 +ROOTFS=$DEVICE${PART_PREFIX}2 + +TARGET_PART_PREFIX="" +if [ ! "${TARGET_DEVICE#/dev/mmcblk}" = "${TARGET_DEVICE}" ]; then + TARGET_PART_PREFIX="p" +fi +TARGET_ROOTFS=$TARGET_DEVICE${TARGET_PART_PREFIX}2 + +echo "" +info "Boot partition size: $BOOT_SIZE MB ($BOOTFS)" +info "ROOTFS partition size: $ROOTFS_SIZE MB ($ROOTFS)" +echo "" + +# Use MSDOS by default as GPT cannot be reliably distributed in disk image form +# as it requires the backup table to be on the last block of the device, which +# of course varies from device to device. + +info "Partitioning installation media ($DEVICE)" + +debug "Deleting partition table on $DEVICE" +dd if=/dev/zero of=$DEVICE bs=512 count=2 >$OUT 2>&1 || die "Failed to zero beginning of $DEVICE" + +debug "Creating new partition table (MSDOS) on $DEVICE" +parted -s $DEVICE mklabel msdos >$OUT 2>&1 || die "Failed to create MSDOS partition table" + +debug "Creating boot partition on $BOOTFS" +parted -s $DEVICE mkpart primary 0% $BOOT_SIZE >$OUT 2>&1 || die "Failed to create BOOT partition" + +debug "Enabling boot flag on $BOOTFS" +parted -s $DEVICE set 1 boot on >$OUT 2>&1 || die "Failed to enable boot flag" + +debug "Creating ROOTFS partition on $ROOTFS" +parted -s $DEVICE mkpart primary $ROOTFS_START $ROOTFS_END >$OUT 2>&1 || die "Failed to create ROOTFS partition" + +# as blkid does not provide PARTUUID on Ubuntu LTS 14.04 we myst hack via fdisk +#ROOTFS_PARTUUID=$(blkid |grep -e "$ROOTFS" |sed -n 's/^.*PARTUUID=/PARTUUID=/p') +export LC_ALL=C +ROOTFS_DISKID=$(fdisk -l "$DEVICE" | grep -e "Disk identifier" | sed -n 's/^.*Disk identifier: 0x/PARTUUID=/p') +if [ $ROOTFS_DISKID == "" ]; then + die "Failed to read DISKID" +fi +ROOTFS_PARTUUID="$ROOTFS_DISKID-02" +debug "PARTUUID for ROOTFS in grub.conf is $ROOTFS_PARTUUID" + +if [ $DEBUG -eq 1 ]; then + parted -s $DEVICE print +fi + + +# +# Check if any $DEVICE partitions are mounted after partitioning +# +unmount_device || die "Failed to unmount $DEVICE partitions" + + +# +# Format $DEVICE partitions +# +info "Formatting partitions" +debug "Formatting $BOOTFS as vfat" +if [ ! "${DEVICE#/dev/loop}" = "${DEVICE}" ]; then + mkfs.vfat -I $BOOTFS -n "EFI" >$OUT 2>&1 || die "Failed to format $BOOTFS" +else + mkfs.vfat $BOOTFS -n "EFI" >$OUT 2>&1 || die "Failed to format $BOOTFS" +fi + +debug "Formatting $ROOTFS as ext3" +mkfs.ext3 -F $ROOTFS -L "ROOT" >$OUT 2>&1 || die "Failed to format $ROOTFS" + + +# +# Installing to $DEVICE +# +debug "Mounting images and device in preparation for installation" +mount -o loop $HDDIMG $HDDIMG_MNT >$OUT 2>&1 || error "Failed to mount $HDDIMG" +mount -o loop $HDDIMG_MNT/rootfs.img $HDDIMG_ROOTFS_MNT >$OUT 2>&1 || error "Failed to mount rootfs.img" +mount $ROOTFS $ROOTFS_MNT >$OUT 2>&1 || error "Failed to mount $ROOTFS on $ROOTFS_MNT" +mount $BOOTFS $BOOTFS_MNT >$OUT 2>&1 || error "Failed to mount $BOOTFS on $BOOTFS_MNT" + +info "Preparing boot partition" +EFIDIR="$BOOTFS_MNT/EFI/BOOT" +cp $HDDIMG_MNT/vmlinuz $BOOTFS_MNT >$OUT 2>&1 || error "Failed to copy vmlinuz" +if [ -f $HDDIMG_MNT/initrd ]; then + cp $HDDIMG_MNT/initrd $BOOTFS_MNT >$OUT 2>&1 || error "Failed to copy initrd" +fi +echo "bootx64.efi" > $BOOTFS_MNT/startup.nsh || error "Failed to create startup.nsh" +# Copy the efi loader and configs (booti*.efi and grub.cfg if it exists) +cp -r $HDDIMG_MNT/EFI $BOOTFS_MNT >$OUT 2>&1 || error "Failed to copy EFI dir" +# Silently ignore a missing gummiboot loader dir (we might just be a GRUB image) +cp -r $HDDIMG_MNT/loader $BOOTFS_MNT >$OUT 2>&1 + +# Update the boot loaders configurations for an installed image +# Remove any existing root= kernel parameters and: +# o Add a root= parameter with the target rootfs +# o Specify ro so fsck can be run during boot +# o Specify rootwait in case the target media is an asyncronous block device +# such as MMC or USB disks +# o Specify "quiet" to minimize boot time when using slow serial consoles + +# Look for a GRUB installation +GRUB_CFG="$EFIDIR/grub.cfg" +if [ -e "$GRUB_CFG" ]; then + info "Configuring GRUB" + # Delete the install entry + sed -i "/menuentry 'install'/,/^}/d" $GRUB_CFG + # Delete any LABEL= strings + sed -i "s/ LABEL=[^ ]*/ /" $GRUB_CFG + + sed -i "s@ root=[^ ]*@ @" $GRUB_CFG + sed -i "s@vmlinuz @vmlinuz root=$ROOTFS_PARTUUID ro rootwait quiet @" $GRUB_CFG +fi + + +# Ensure we have at least one EFI bootloader configured +if [ ! -e $GRUB_CFG ] ; then + die "No EFI bootloader configuration found" +fi + +info "Copying ROOTFS files (this may take a while)" +cp -a $HDDIMG_ROOTFS_MNT/* $ROOTFS_MNT >$OUT 2>&1 || die "Root FS copy failed" + +# We dont want udev to mount our root device while we're booting... +if [ -d $ROOTFS_MNT/etc/udev/ ] ; then + echo "$TARGET_DEVICE" >> $ROOTFS_MNT/etc/udev/mount.blacklist +fi + + +# Call cleanup to unmount devices and images and remove the TMPDIR +cleanup + +echo "" +if [ $WARNINGS -ne 0 ] && [ $ERRORS -eq 0 ]; then + echo "${YELLOW}Installation completed with warnings${CLEAR}" + echo "${YELLOW}Warnings: $WARNINGS${CLEAR}" +elif [ $ERRORS -ne 0 ]; then + echo "${RED}Installation encountered errors${CLEAR}" + echo "${RED}Errors: $ERRORS${CLEAR}" + echo "${YELLOW}Warnings: $WARNINGS${CLEAR}" +else + success "Installation completed successfully" +fi +echo "" |