citadel/poky/scripts/contrib/mkefidisk.sh

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#!/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
#
LANG=C
echo
echo "WARNING: This script is deprecated and will be removed soon."
echo "Please consider using wic EFI images instead."
echo
# Set to 1 to enable additional output
DEBUG=0
OUT="/dev/null"
#
# Defaults
#
# 20 Mb for the boot partition
BOOT_SIZE=20
# 5% for swap
SWAP_RATIO=5
# 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 "Usage: $(basename $0) [-v] DEVICE HDDIMG TARGET_DEVICE"
echo " -v: Verbose debug"
echo " DEVICE: The device to write the image to, e.g. /dev/sdh"
echo " HDDIMG: The hddimg file to generate the efi disk from"
echo " TARGET_DEVICE: The device the target will boot from, e.g. /dev/mmcblk0"
}
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 [ $# -lt 3 ] || [ $# -gt 4 ]; then
if [ $# -eq 1 ]; then
AVAILABLE_DISK=`lsblk | grep "disk" | cut -f 1 -d " "`
X=0
for disk in `echo $AVAILABLE_DISK`; do
mounted=`lsblk /dev/$disk | awk {'print $7'} | sed "s/MOUNTPOINT//"`
if [ -z "$mounted" ]; then
UNMOUNTED_AVAILABLES="$UNMOUNTED_AVAILABLES /dev/$disk"
info "$X - /dev/$disk"
X=`expr $X + 1`
fi
done
if [ $X -eq 0 ]; then
die "No unmounted device found."
fi
read -p "Choose unmounted device number: " DISK_NUMBER
X=0
for line in `echo $UNMOUNTED_AVAILABLES`; do
if [ $DISK_NUMBER -eq $X ]; then
DISK_TO_BE_FLASHED=$line
break
else
X=`expr $X + 1`
fi
done
if [ -z "$DISK_TO_BE_FLASHED" ]; then
die "Option \"$DISK_NUMBER\" is invalid. Choose a valid option"
else
if [ -z `echo $DISK_TO_BE_FLASHED | grep "mmc"` ]; then
TARGET_TO_BE_BOOT="/dev/sda"
else
TARGET_TO_BE_BOOT="/dev/mmcblk0"
fi
fi
echo ""
echo "Choose a name of the device that will be boot from"
echo -n "Recommended name is: "
info "$TARGET_TO_BE_BOOT"
read -p "Is target device okay? [y/N]: " RESPONSE
if [ "$RESPONSE" != "y" ]; then
read -p "Choose target device name: " TARGET_TO_BE_BOOT
fi
echo ""
if [ -z "$TARGET_TO_BE_BOOT" ]; then
die "Error: choose a valid target name"
fi
else
usage
exit 1
fi
fi
if [ "$1" = "-v" ]; then
DEBUG=1
OUT="1"
shift
fi
if [ -z "$AVAILABLE_DISK" ]; then
DEVICE=$1
HDDIMG=$2
TARGET_DEVICE=$3
else
DEVICE=$DISK_TO_BE_FLASHED
HDDIMG=$1
TARGET_DEVICE=$TARGET_TO_BE_BOOT
fi
LINK=$(readlink $DEVICE)
if [ $? -eq 0 ]; then
DEVICE="$LINK"
fi
if [ ! -w "$DEVICE" ]; then
usage
if [ ! -e "${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
usage
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 $DEVICE unit mb print | grep ^Disk | cut -d" " -f 3 | sed -e "s/MB//")
fi
SWAP_SIZE=$((DEVICE_SIZE*SWAP_RATIO/100))
ROOTFS_SIZE=$((DEVICE_SIZE-BOOT_SIZE-SWAP_SIZE))
ROOTFS_START=$((BOOT_SIZE))
ROOTFS_END=$((ROOTFS_START+ROOTFS_SIZE))
SWAP_START=$((ROOTFS_END))
# 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
SWAP=$DEVICE${PART_PREFIX}3
TARGET_PART_PREFIX=""
if [ ! "${TARGET_DEVICE#/dev/mmcblk}" = "${TARGET_DEVICE}" ]; then
TARGET_PART_PREFIX="p"
fi
TARGET_ROOTFS=$TARGET_DEVICE${TARGET_PART_PREFIX}2
TARGET_SWAP=$TARGET_DEVICE${TARGET_PART_PREFIX}3
echo ""
info "Boot partition size: $BOOT_SIZE MB ($BOOTFS)"
info "ROOTFS partition size: $ROOTFS_SIZE MB ($ROOTFS)"
info "Swap partition size: $SWAP_SIZE MB ($SWAP)"
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"
debug "Creating swap partition on $SWAP"
parted -s $DEVICE mkpart primary $SWAP_START 100% >$OUT 2>&1 || die "Failed to create SWAP partition"
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 $ROOTFS"
debug "Formatting swap partition ($SWAP)"
mkswap $SWAP >$OUT 2>&1 || die "Failed to prepare swap"
#
# Installing to $DEVICE
#
debug "Mounting images and device in preparation for installation"
mount -o ro,loop $HDDIMG $HDDIMG_MNT >$OUT 2>&1 || error "Failed to mount $HDDIMG"
mount -o ro,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"
# 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 systemd-boot 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 the initrd lines
sed -i "/initrd /d" $GRUB_CFG
# Delete any LABEL= strings
sed -i "s/ LABEL=[^ ]*/ /" $GRUB_CFG
sed -i "s@ root=[^ ]*@ @" $GRUB_CFG
sed -i "s@vmlinuz @vmlinuz root=$TARGET_ROOTFS ro rootwait console=ttyS0 console=tty0 @" $GRUB_CFG
fi
# Look for a systemd-boot installation
SYSTEMD_BOOT_ENTRIES="$BOOTFS_MNT/loader/entries"
SYSTEMD_BOOT_CFG="$SYSTEMD_BOOT_ENTRIES/boot.conf"
if [ -d "$SYSTEMD_BOOT_ENTRIES" ]; then
info "Configuring SystemD-boot"
# remove the install target if it exists
rm $SYSTEMD_BOOT_ENTRIES/install.conf >$OUT 2>&1
if [ ! -e "$SYSTEMD_BOOT_CFG" ]; then
echo "ERROR: $SYSTEMD_BOOT_CFG not found"
fi
sed -i "/initrd /d" $SYSTEMD_BOOT_CFG
sed -i "s@ root=[^ ]*@ @" $SYSTEMD_BOOT_CFG
sed -i "s@options *LABEL=boot @options LABEL=Boot root=$TARGET_ROOTFS ro rootwait console=ttyS0 console=tty0 @" $SYSTEMD_BOOT_CFG
fi
# Ensure we have at least one EFI bootloader configured
if [ ! -e $GRUB_CFG ] && [ ! -e $SYSTEMD_BOOT_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"
echo "$TARGET_SWAP swap swap defaults 0 0" >> $ROOTFS_MNT/etc/fstab
# 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
# Add startup.nsh script for automated boot
printf "fs0:\%s\BOOT\%s\n" "EFI" "bootx64.efi" > $BOOTFS_MNT/startup.nsh
# 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 ""