| #!/bin/sh -e |
| # |
| # Copyright (C) 2008-2011 Intel |
| # |
| # install.sh [device_name] [rootfs_name] [video_mode] [vga_mode] |
| # |
| |
| PATH=/sbin:/bin:/usr/sbin:/usr/bin |
| |
| # figure out how big of a boot partition we need |
| boot_size=$(du -ms /run/media/$1/ | awk '{print $1}') |
| # remove rootfs.img ($2) from the size if it exists, as its not installed to /boot |
| if [ -e /run/media/$1/$2 ]; then |
| boot_size=$(( boot_size - $( du -ms /run/media/$1/$2 | awk '{print $1}') )) |
| fi |
| # remove initrd from size since its not currently installed |
| if [ -e /run/media/$1/initrd ]; then |
| boot_size=$(( boot_size - $( du -ms /run/media/$1/initrd | awk '{print $1}') )) |
| fi |
| # add 10M to provide some extra space for users and account |
| # for rounding in the above subtractions |
| boot_size=$(( boot_size + 10 )) |
| |
| # 5% for the swap |
| swap_ratio=5 |
| |
| # Get a list of hard drives |
| hdnamelist="" |
| live_dev_name=`cat /proc/mounts | grep ${1%/} | awk '{print $1}'` |
| live_dev_name=${live_dev_name#\/dev/} |
| # Only strip the digit identifier if the device is not an mmc |
| case $live_dev_name in |
| mmcblk*) |
| ;; |
| nvme*) |
| ;; |
| *) |
| live_dev_name=${live_dev_name%%[0-9]*} |
| ;; |
| esac |
| |
| echo "Searching for hard drives ..." |
| |
| # Some eMMC devices have special sub devices such as mmcblk0boot0 etc |
| # we're currently only interested in the root device so pick them wisely |
| devices=`ls /sys/block/ | grep -v mmcblk` || true |
| mmc_devices=`ls /sys/block/ | grep "mmcblk[0-9]\{1,\}$"` || true |
| devices="$devices $mmc_devices" |
| |
| for device in $devices; do |
| case $device in |
| loop*) |
| # skip loop device |
| ;; |
| sr*) |
| # skip CDROM device |
| ;; |
| ram*) |
| # skip ram device |
| ;; |
| *) |
| # skip the device LiveOS is on |
| # Add valid hard drive name to the list |
| case $device in |
| $live_dev_name*) |
| # skip the device we are running from |
| ;; |
| *) |
| hdnamelist="$hdnamelist $device" |
| ;; |
| esac |
| ;; |
| esac |
| done |
| |
| TARGET_DEVICE_NAME="" |
| for hdname in $hdnamelist; do |
| # Display found hard drives and their basic info |
| echo "-------------------------------" |
| echo /dev/$hdname |
| if [ -r /sys/block/$hdname/device/vendor ]; then |
| echo -n "VENDOR=" |
| cat /sys/block/$hdname/device/vendor |
| fi |
| if [ -r /sys/block/$hdname/device/model ]; then |
| echo -n "MODEL=" |
| cat /sys/block/$hdname/device/model |
| fi |
| if [ -r /sys/block/$hdname/device/uevent ]; then |
| echo -n "UEVENT=" |
| cat /sys/block/$hdname/device/uevent |
| fi |
| echo |
| done |
| |
| # Get user choice |
| while true; do |
| echo "Please select an install target or press n to exit ($hdnamelist ): " |
| read answer |
| if [ "$answer" = "n" ]; then |
| echo "Installation manually aborted." |
| exit 1 |
| fi |
| for hdname in $hdnamelist; do |
| if [ "$answer" = "$hdname" ]; then |
| TARGET_DEVICE_NAME=$answer |
| break |
| fi |
| done |
| if [ -n "$TARGET_DEVICE_NAME" ]; then |
| break |
| fi |
| done |
| |
| if [ -n "$TARGET_DEVICE_NAME" ]; then |
| echo "Installing image on /dev/$TARGET_DEVICE_NAME ..." |
| else |
| echo "No hard drive selected. Installation aborted." |
| exit 1 |
| fi |
| |
| device=/dev/$TARGET_DEVICE_NAME |
| |
| # |
| # The udev automounter can cause pain here, kill it |
| # |
| rm -f /etc/udev/rules.d/automount.rules |
| rm -f /etc/udev/scripts/mount* |
| |
| # |
| # Unmount anything the automounter had mounted |
| # |
| umount ${device}* 2> /dev/null || /bin/true |
| |
| if [ ! -b /dev/loop0 ] ; then |
| mknod /dev/loop0 b 7 0 |
| fi |
| |
| mkdir -p /tmp |
| if [ ! -L /etc/mtab ] && [ -e /proc/mounts ]; then |
| ln -sf /proc/mounts /etc/mtab |
| fi |
| |
| disk_size=$(parted ${device} unit mb print | grep '^Disk .*: .*MB' | cut -d" " -f 3 | sed -e "s/MB//") |
| |
| grub_version=$(grub-install -V|sed 's/.* \([0-9]\).*/\1/') |
| |
| if [ $grub_version -eq 0 ] ; then |
| bios_boot_size=0 |
| else |
| # For GRUB 2 we need separate parition to store stage2 grub image |
| # 2Mb value is chosen to align partition for best performance. |
| bios_boot_size=2 |
| fi |
| |
| swap_size=$((disk_size*swap_ratio/100)) |
| rootfs_size=$((disk_size-bios_boot_size-boot_size-swap_size)) |
| |
| boot_start=$((bios_boot_size)) |
| rootfs_start=$((bios_boot_size+boot_size)) |
| rootfs_end=$((rootfs_start+rootfs_size)) |
| swap_start=$((rootfs_end)) |
| |
| # MMC devices are special in a couple of ways |
| # 1) they use a partition prefix character 'p' |
| # 2) they are detected asynchronously (need rootwait) |
| rootwait="" |
| part_prefix="" |
| if [ ! "${device#/dev/mmcblk}" = "${device}" ] || \ |
| [ ! "${device#/dev/nvme}" = "${device}" ]; then |
| part_prefix="p" |
| rootwait="rootwait" |
| fi |
| |
| # USB devices also require rootwait |
| if [ -n `readlink /dev/disk/by-id/usb* | grep $TARGET_DEVICE_NAME` ]; then |
| rootwait="rootwait" |
| fi |
| |
| if [ $grub_version -eq 0 ] ; then |
| bios_boot='' |
| bootfs=${device}${part_prefix}1 |
| rootfs=${device}${part_prefix}2 |
| swap=${device}${part_prefix}3 |
| else |
| bios_boot=${device}${part_prefix}1 |
| bootfs=${device}${part_prefix}2 |
| rootfs=${device}${part_prefix}3 |
| swap=${device}${part_prefix}4 |
| fi |
| |
| echo "*****************" |
| [ $grub_version -ne 0 ] && echo "BIOS boot partition size: $bios_boot_size MB ($bios_boot)" |
| echo "Boot partition size: $boot_size MB ($bootfs)" |
| echo "Rootfs partition size: $rootfs_size MB ($rootfs)" |
| echo "Swap partition size: $swap_size MB ($swap)" |
| echo "*****************" |
| echo "Deleting partition table on ${device} ..." |
| dd if=/dev/zero of=${device} bs=512 count=35 |
| |
| echo "Creating new partition table on ${device} ..." |
| if [ $grub_version -eq 0 ] ; then |
| parted ${device} mktable msdos |
| echo "Creating boot partition on $bootfs" |
| parted ${device} mkpart primary ext3 0% $boot_size |
| else |
| parted ${device} mktable gpt |
| echo "Creating BIOS boot partition on $bios_boot" |
| parted ${device} mkpart bios_boot 0% $bios_boot_size |
| parted ${device} set 1 bios_grub on |
| echo "Creating boot partition on $bootfs" |
| parted ${device} mkpart boot ext3 $boot_start $boot_size |
| fi |
| |
| echo "Creating rootfs partition on $rootfs" |
| [ $grub_version -eq 0 ] && pname='primary' || pname='root' |
| parted ${device} mkpart $pname ext4 $rootfs_start $rootfs_end |
| |
| echo "Creating swap partition on $swap" |
| [ $grub_version -eq 0 ] && pname='primary' || pname='swap' |
| parted ${device} mkpart $pname linux-swap $swap_start 100% |
| |
| parted ${device} print |
| |
| echo "Waiting for device nodes..." |
| C=0 |
| while [ $C -ne 3 ] && [ ! -e $bootfs -o ! -e $rootfs -o ! -e $swap ]; do |
| C=$(( C + 1 )) |
| sleep 1 |
| done |
| |
| echo "Formatting $bootfs to ext3..." |
| mkfs.ext3 $bootfs |
| |
| echo "Formatting $rootfs to ext4..." |
| mkfs.ext4 $rootfs |
| |
| echo "Formatting swap partition...($swap)" |
| mkswap $swap |
| |
| mkdir /tgt_root |
| mkdir /src_root |
| mkdir -p /boot |
| |
| # Handling of the target root partition |
| mount $rootfs /tgt_root |
| mount -o rw,loop,noatime,nodiratime /run/media/$1/$2 /src_root |
| echo "Copying rootfs files..." |
| cp -a /src_root/* /tgt_root |
| if [ -d /tgt_root/etc/ ] ; then |
| if [ $grub_version -ne 0 ] ; then |
| boot_uuid=$(blkid -o value -s UUID ${bootfs}) |
| swap_part_uuid=$(blkid -o value -s PARTUUID ${swap}) |
| bootdev="UUID=$boot_uuid" |
| swapdev=/dev/disk/by-partuuid/$swap_part_uuid |
| else |
| bootdev=${bootfs} |
| swapdev=${swap} |
| fi |
| echo "$swapdev swap swap defaults 0 0" >> /tgt_root/etc/fstab |
| echo "$bootdev /boot ext3 defaults 1 2" >> /tgt_root/etc/fstab |
| # We dont want udev to mount our root device while we're booting... |
| if [ -d /tgt_root/etc/udev/ ] ; then |
| echo "${device}" >> /tgt_root/etc/udev/mount.ignorelist |
| fi |
| fi |
| umount /tgt_root |
| umount /src_root |
| |
| echo "Looking for kernels to use as boot target.." |
| # Find kernel to boot to |
| # Give user options if multiple are found |
| kernels="$(find /run/media/$1/ -type f \ |
| -name bzImage* -o -name zImage* \ |
| -o -name vmlinux* -o -name vmlinuz* \ |
| -o -name fitImage* \ |
| | sed s:.*/::)" |
| if [ -n "$(echo $kernels)" ]; then |
| # only one kernel entry if no space |
| if [ -z "$(echo $kernels | grep " ")" ]; then |
| kernel=$kernels |
| echo "$kernel will be used as the boot target" |
| else |
| echo "Which kernel do we want to boot by default? The following kernels were found:" |
| echo $kernels |
| read answer |
| kernel=$answer |
| fi |
| else |
| echo "No kernels found, exiting..." |
| exit 1 |
| fi |
| |
| # Handling of the target boot partition |
| mount $bootfs /boot |
| echo "Preparing boot partition..." |
| |
| if [ -f /etc/grub.d/00_header -a $grub_version -ne 0 ] ; then |
| echo "Preparing custom grub2 menu..." |
| root_part_uuid=$(blkid -o value -s PARTUUID ${rootfs}) |
| boot_uuid=$(blkid -o value -s UUID ${bootfs}) |
| GRUBCFG="/boot/grub/grub.cfg" |
| mkdir -p $(dirname $GRUBCFG) |
| cat >$GRUBCFG <<_EOF |
| timeout=5 |
| default=0 |
| menuentry "Linux" { |
| search --no-floppy --fs-uuid $boot_uuid --set root |
| linux /$kernel root=PARTUUID=$root_part_uuid $rootwait rw $5 $3 $4 quiet |
| } |
| _EOF |
| chmod 0444 $GRUBCFG |
| fi |
| grub-install ${device} |
| |
| if [ $grub_version -eq 0 ] ; then |
| echo "(hd0) ${device}" > /boot/grub/device.map |
| echo "Preparing custom grub menu..." |
| echo "default 0" > /boot/grub/menu.lst |
| echo "timeout 30" >> /boot/grub/menu.lst |
| echo "title Live Boot/Install-Image" >> /boot/grub/menu.lst |
| echo "root (hd0,0)" >> /boot/grub/menu.lst |
| echo "kernel /$kernel root=$rootfs rw $3 $4 quiet" >> /boot/grub/menu.lst |
| fi |
| |
| # Copy kernel artifacts. To add more artifacts just add to types |
| # For now just support kernel types already being used by something in OE-core |
| for types in bzImage zImage vmlinux vmlinuz fitImage; do |
| for kernel in `find /run/media/$1/ -name $types*`; do |
| cp $kernel /boot |
| done |
| done |
| |
| umount /boot |
| |
| sync |
| |
| echo "Remove your installation media, and press ENTER" |
| |
| read enter |
| |
| echo "Rebooting..." |
| reboot -f |