347 lines
8.2 KiB
Bash
347 lines
8.2 KiB
Bash
#! /bin/sh
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#############################################################################
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# Copyright (C) 2007-2009 Laboratório de Sistemas e Tecnologia Subaquática #
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# Departamento de Engenharia Electrotécnica e de Computadores #
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# Rua Dr. Roberto Frias, 4200-465 Porto, Portugal #
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#############################################################################
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# Author: Ricardo Martins #
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#############################################################################
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base='/opt/lsts/glued'
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hostname="$(hostname)"
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flashcp='/usr/sbin/flashcp'
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scratch="$base/.glued"
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clean()
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{
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if [ -d "$base"/.glued-new ]; then
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rm -rf "$base"/.glued-new
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fi
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if [ -d "$base"/.glued-old ]; then
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rm -rf "$base"/.glued-old
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fi
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}
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version()
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{
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file="$(ls -1 $base/glued-*-*-rootfs.tar.bz2 2> /dev/null | head -n 1)"
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if [ -z "$file" ]; then
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return 1
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fi
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# Filter version.
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ver="$(echo $file | sed "s%$base/glued-%%")"
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ver="$(echo $ver | sed "s%-$hostname-bundle\.tar%%")"
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export fw_version="$ver"
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export fw_file="$file"
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return 0
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}
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new_unpack()
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{
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echo -n "* Unpacking new rootfs... "
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mkdir ${base}/.glued-new
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tar -C ${base}/.glued-new -x -f "$fw_file"; rv=$?
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if [ -d /etc/dropbear ]; then
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cp -a /etc/dropbear ${base}/.glued-new/etc
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fi
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if [ $rv -eq 0 ]; then
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rm "$fw_file"
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echo "done"
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return 0
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fi
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echo "failed"
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return 1
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}
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kernel_mtd_part()
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{
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echo -n "* Detecting kernel MTD partition... "
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if [ -d /boot/extlinux ]; then
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echo "not present"
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return 0
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fi
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if ! [ -f /proc/mtd ]; then
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echo "not present"
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return 0
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fi
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export fw_kernel_mtd="$(grep \"kernel\" /proc/mtd | cut -f1 -d':')"
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if [ -z "$fw_kernel_mtd" ]; then
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export fw_kernel_mtd="$(grep \"Kernel\" /proc/mtd | cut -f1 -d':')"
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if [ -z "$fw_kernel_mtd" ]; then
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echo "not present"
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return 1
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fi
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fi
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echo "$fw_kernel_mtd"
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return 0
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}
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uboot_mtd_part()
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{
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echo -n "* Detecting u-boot MTD partition... "
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if ! [ -f /proc/mtd ]; then
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echo "filesystem"
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return 0
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fi
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export fw_uboot_mtd="$(grep \"uboot\" /proc/mtd | cut -f1 -d':')"
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if [ -z "$fw_uboot_mtd" ]; then
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export fw_uboot_mtd="$(grep \"u-boot\" /proc/mtd | cut -f1 -d':')"
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if [ -z "$fw_uboot_mtd" ]; then
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echo "not present"
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return 1
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fi
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fi
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echo "$fw_uboot_mtd"
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return 0
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}
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uboot_mtd_upgrade()
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{
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bin="$base/.glued-new/boot/u-boot.bin"
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if ! [ -f "$bin" ]; then
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return 0
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fi
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if [ -z "$fw_uboot_mtd" ]; then
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return 0
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fi
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echo -n "* Upgrading u-boot MTD partition... "
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"$flashcp" -v "$bin" /dev/"$fw_uboot_mtd"
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if [ $? -ne 0 ]; then
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echo "failed"
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return 1
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fi
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echo "done"
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return 0
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}
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kernel_mtd_upgrade()
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{
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# Upgrade MTD
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if [ -n "$fw_kernel_mtd" ]; then
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echo -n "* Upgrading kernel... "
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"$flashcp" -v "$base/.glued-new/boot/kernel" /dev/"$fw_kernel_mtd"
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if [ $? -ne 0 ]; then
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echo "failed"
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return 1
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fi
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echo "done"
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return 0
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fi
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}
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uboot_part_upgrade()
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{
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label="$1"
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dev="$2"
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echo -en "* $label: probing bootloader partition... "
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if ! [ -b "$dev" ]; then
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echo 'not present'
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return 0
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fi
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echo 'present'
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echo -en "* $label: mounting bootloader partition... "
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mount -t vfat "$dev" /mnt > /dev/null 2>&1
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if [ $? -ne 0 ]; then
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echo "failed"
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return 0
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fi
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echo 'done'
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for f in MLO u-boot.img; do
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if [ -f "/mnt/$f" ]; then
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echo -en "* $label: Replacing $f... "
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cp "$base/.glued-new/boot/$f" /mnt
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echo 'done'
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fi
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done
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echo -en "* $label: unmounting bootloader partition... "
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umount /mnt > /dev/null 2>&1
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if [ $? -ne 0 ]; then
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echo 'failed'
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return 1
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fi
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sync && sync && sync && sync
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echo 'done'
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return 0
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}
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uboot_part_upgrade_check()
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{
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# Check if board is a BeagleBone black.
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dmesg | grep -i 'machine model' | grep -i beaglebone > /dev/null 2>&1
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if [ $? -eq 0 ]; then
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dev="$(ls /sys/class/mmc_host/mmc?/mmc?:0001/block)"
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uboot_part_upgrade 'BeagleBone Black' "/dev/${dev}p1"
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return 0
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fi
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# Check if board is a IGEPv2.
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dmesg | grep -i 'machine model' | grep -i igepv2 > /dev/null 2>&1
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if [ $? -eq 0 ]; then
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uboot_part_upgrade 'IGEPv2' '/dev/mmcblk0p1'
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return 0
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fi
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dmesg | grep Machine | grep 'IGEP v2' > /dev/null 2>&1
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if [ $? -eq 0 ]; then
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uboot_part_upgrade 'IGEPv2' '/dev/mmcblk0p1'
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return 0
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fi
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return 0
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}
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rpi2_boot_part_upgrade()
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{
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label="$1"
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dev="$2"
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echo -en "* $label: probing bootloader partition... "
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if ! [ -b "$dev" ]; then
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echo 'not present'
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return 0
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fi
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echo 'present'
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echo -en "* $label: mounting bootloader partition... "
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mount -t vfat "$dev" /mnt > /dev/null 2>&1
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if [ $? -ne 0 ]; then
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echo "failed"
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return 0
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fi
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echo 'done'
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for f in bootcode.bin cmdline.txt config.txt fixup.dat start.elf; do
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if [ -f "/mnt/$f" ]; then
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echo -en "* $label: Replacing $f... "
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cp "$base/.glued-new/boot/$f" /mnt
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echo 'done'
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fi
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done
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for f in overlays; do
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if [ -d "/mnt/$f" ]; then
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echo -en "* $label: Replacing $f... "
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rm -rf "/mnt/$f" && cp -r "$base/.glued-new/boot/$f" /mnt
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echo 'done'
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fi
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done
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for dtb in "$base/.glued-new/boot/"*.dtb; do
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echo -en "* $label: Replacing $dtb... "
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cp "$dtb" "/mnt"
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echo 'done'
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done
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kernel='kernel7.img'
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if [ -f "/mnt/$kernel" ]; then
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echo -en "* $label: Replacing $kernel... "
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cp "$base/.glued-new/boot/kernel" "/mnt/$kernel"
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echo 'done'
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fi
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echo -en "* $label: unmounting bootloader partition... "
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umount /mnt > /dev/null 2>&1
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if [ $? -ne 0 ]; then
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echo 'failed'
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return 1
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fi
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sync && sync && sync && sync
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echo 'done'
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return 0
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}
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# Check if board is a Raspberry Pi 2/3.
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rpi2_boot_part_upgrade_check()
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{
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for machine in 'bcm2709' 'raspberry pi'; do
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dmesg | grep Machine | grep -i "$machine" > /dev/null 2>&1
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if [ $? -eq 0 ]; then
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echo "* rpi2: machine detected"
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rpi2_boot_part_upgrade "rpi2" "/dev/mmcblk0p1"
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return 0
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fi
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done
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}
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old_move()
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{
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echo "* Mounting rootfs read-write..."
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mount -o remount,rw /
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echo "* Unmounting pseudo filesystems..."
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umount /sys
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umount /dev/pts
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umount /dev/shm
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umount /proc
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if [ -f /boot/extlinux/extlinux.sys ]; then
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/bin/chattr -i /boot/extlinux/extlinux.sys
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fi
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echo "* Moving old rootfs..."
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mkdir $base/.glued-old &&
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mv /bin /boot /etc /init /lib /proc /root /sbin /sys /tmp /usr /var $base/.glued-old &&
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$base/.glued-old/bin/echo "* Moving new rootfs into place..." &&
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$base/.glued-old/bin/busybox cp -a $base/.glued-new/* / &&
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$base/.glued-old/bin/echo "* Mounting procfs..." &&
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$base/.glued-old/bin/busybox mount -t proc proc /proc &&
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if [ -d "/boot/extlinux" ]; then
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$base/.glued-old/usr/sbin/extlinux -i /boot/extlinux
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fi
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$base/.glued-old/bin/echo "* Flushing filesystem cache... "
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$base/.glued-old/bin/busybox sync
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$base/.glued-old/bin/busybox sync
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$base/.glued-old/bin/busybox sync
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$base/.glued-old/bin/busybox sync
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$base/.glued-old/bin/busybox sync
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$base/.glued-old/bin/echo "* Preparing reboot... "
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$base/.glued-old/bin/busybox mount -o remount,ro /opt
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$base/.glued-old/bin/busybox umount /proc
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$base/.glued-old/bin/busybox touch /.reboot
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$base/.glued-old/bin/busybox kill -SIGQUIT 1
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exit 0
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}
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start()
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{
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clean
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version || return 1
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kernel_mtd_part || return 1
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uboot_mtd_part || return 1
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new_unpack || return 1
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uboot_part_upgrade_check || return 1
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rpi2_boot_part_upgrade_check || return 1
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kernel_mtd_upgrade || return 1
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uboot_mtd_upgrade || return 1
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old_move || return 1
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}
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stop()
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{
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echo -n ""
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}
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