356 lines
8.4 KiB
Bash
356 lines
8.4 KiB
Bash
#!/bin/sh
|
|
# Copyright (C) 2014 OpenWrt.org
|
|
#
|
|
|
|
. /lib/functions.sh
|
|
|
|
# 'kernel' partition on NAND contains the kernel
|
|
CI_KERNPART="kernel"
|
|
|
|
# 'ubi' partition on NAND contains UBI
|
|
CI_UBIPART="ubi"
|
|
|
|
ubi_mknod() {
|
|
local dir="$1"
|
|
local dev="/dev/$(basename $dir)"
|
|
|
|
[ -e "$dev" ] && return 0
|
|
|
|
local devid="$(cat $dir/dev)"
|
|
local major="${devid%%:*}"
|
|
local minor="${devid##*:}"
|
|
mknod "$dev" c $major $minor
|
|
}
|
|
|
|
nand_find_volume() {
|
|
local ubidevdir ubivoldir
|
|
ubidevdir="/sys/devices/virtual/ubi/$1"
|
|
[ ! -d "$ubidevdir" ] && return 1
|
|
for ubivoldir in $ubidevdir/${1}_*; do
|
|
[ ! -d "$ubivoldir" ] && continue
|
|
if [ "$( cat $ubivoldir/name )" = "$2" ]; then
|
|
basename $ubivoldir
|
|
ubi_mknod "$ubivoldir"
|
|
return 0
|
|
fi
|
|
done
|
|
}
|
|
|
|
nand_find_ubi() {
|
|
local ubidevdir ubidev mtdnum
|
|
mtdnum="$( find_mtd_index $1 )"
|
|
[ ! "$mtdnum" ] && return 1
|
|
for ubidevdir in /sys/devices/virtual/ubi/ubi*; do
|
|
[ ! -d "$ubidevdir" ] && continue
|
|
cmtdnum="$( cat $ubidevdir/mtd_num )"
|
|
[ ! "$mtdnum" ] && continue
|
|
if [ "$mtdnum" = "$cmtdnum" ]; then
|
|
ubidev=$( basename $ubidevdir )
|
|
ubi_mknod "$ubidevdir"
|
|
echo $ubidev
|
|
return 0
|
|
fi
|
|
done
|
|
}
|
|
|
|
nand_get_magic_long() {
|
|
dd if="$1" skip=$2 bs=4 count=1 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"'
|
|
}
|
|
|
|
get_magic_long_tar() {
|
|
( tar xf $1 $2 -O | dd bs=4 count=1 | hexdump -v -n 4 -e '1/1 "%02x"') 2> /dev/null
|
|
}
|
|
|
|
identify_magic() {
|
|
local magic=$1
|
|
case "$magic" in
|
|
"55424923")
|
|
echo "ubi"
|
|
;;
|
|
"31181006")
|
|
echo "ubifs"
|
|
;;
|
|
"68737173")
|
|
echo "squashfs"
|
|
;;
|
|
"d00dfeed")
|
|
echo "fit"
|
|
;;
|
|
"4349"*)
|
|
echo "combined"
|
|
;;
|
|
*)
|
|
echo "unknown $magic"
|
|
;;
|
|
esac
|
|
}
|
|
|
|
|
|
identify() {
|
|
identify_magic $(nand_get_magic_long "$1" "${2:-0}")
|
|
}
|
|
|
|
identify_tar() {
|
|
identify_magic $(get_magic_long_tar "$1" "$2")
|
|
}
|
|
|
|
nand_restore_config() {
|
|
sync
|
|
local ubidev=$( nand_find_ubi $CI_UBIPART )
|
|
local ubivol="$( nand_find_volume $ubidev rootfs_data )"
|
|
[ ! "$ubivol" ] &&
|
|
ubivol="$( nand_find_volume $ubidev rootfs )"
|
|
mkdir /tmp/new_root
|
|
if ! mount -t ubifs /dev/$ubivol /tmp/new_root; then
|
|
echo "mounting ubifs $ubivol failed"
|
|
rmdir /tmp/new_root
|
|
return 1
|
|
fi
|
|
mv "$1" "/tmp/new_root/sysupgrade.tgz"
|
|
umount /tmp/new_root
|
|
sync
|
|
rmdir /tmp/new_root
|
|
}
|
|
|
|
nand_upgrade_prepare_ubi() {
|
|
local rootfs_length="$1"
|
|
local rootfs_type="$2"
|
|
local has_kernel="${3:-0}"
|
|
local has_env="${4:-0}"
|
|
|
|
local mtdnum="$( find_mtd_index "$CI_UBIPART" )"
|
|
if [ ! "$mtdnum" ]; then
|
|
echo "cannot find ubi mtd partition $CI_UBIPART"
|
|
return 1
|
|
fi
|
|
|
|
local ubidev="$( nand_find_ubi "$CI_UBIPART" )"
|
|
if [ ! "$ubidev" ]; then
|
|
ubiattach -m "$mtdnum"
|
|
sync
|
|
ubidev="$( nand_find_ubi "$CI_UBIPART" )"
|
|
fi
|
|
|
|
if [ ! "$ubidev" ]; then
|
|
ubiformat /dev/mtd$mtdnum -y
|
|
ubiattach -m "$mtdnum"
|
|
sync
|
|
ubidev="$( nand_find_ubi "$CI_UBIPART" )"
|
|
[ "$has_env" -gt 0 ] && {
|
|
ubimkvol /dev/$ubidev -n 0 -N ubootenv -s 1MiB
|
|
ubimkvol /dev/$ubidev -n 1 -N ubootenv2 -s 1MiB
|
|
}
|
|
fi
|
|
|
|
local kern_ubivol="$( nand_find_volume $ubidev kernel )"
|
|
local root_ubivol="$( nand_find_volume $ubidev rootfs )"
|
|
local data_ubivol="$( nand_find_volume $ubidev rootfs_data )"
|
|
|
|
# remove ubiblock device of rootfs
|
|
local root_ubiblk="ubiblock${root_ubivol:3}"
|
|
if [ "$root_ubivol" -a -e "/dev/$root_ubiblk" ]; then
|
|
echo "removing $root_ubiblk"
|
|
if ! ubiblock -r /dev/$root_ubivol; then
|
|
echo "cannot remove $root_ubiblk"
|
|
return 1;
|
|
fi
|
|
fi
|
|
|
|
# kill volumes
|
|
[ "$kern_ubivol" ] && ubirmvol /dev/$ubidev -N kernel || true
|
|
[ "$root_ubivol" ] && ubirmvol /dev/$ubidev -N rootfs || true
|
|
[ "$data_ubivol" ] && ubirmvol /dev/$ubidev -N rootfs_data || true
|
|
|
|
# update kernel
|
|
if [ "$has_kernel" = "1" ]; then
|
|
if ! ubimkvol /dev/$ubidev -N kernel -s $kernel_length; then
|
|
echo "cannot create kernel volume"
|
|
return 1;
|
|
fi
|
|
fi
|
|
|
|
# update rootfs
|
|
local root_size_param
|
|
if [ "$rootfs_type" = "ubifs" ]; then
|
|
root_size_param="-m"
|
|
else
|
|
root_size_param="-s $rootfs_length"
|
|
fi
|
|
if ! ubimkvol /dev/$ubidev -N rootfs $root_size_param; then
|
|
echo "cannot create rootfs volume"
|
|
return 1;
|
|
fi
|
|
|
|
# create rootfs_data for non-ubifs rootfs
|
|
if [ "$rootfs_type" != "ubifs" ]; then
|
|
if ! ubimkvol /dev/$ubidev -N rootfs_data -m; then
|
|
echo "cannot initialize rootfs_data volume"
|
|
return 1
|
|
fi
|
|
fi
|
|
sync
|
|
return 0
|
|
}
|
|
|
|
nand_do_upgrade_success() {
|
|
local conf_tar="/tmp/sysupgrade.tgz"
|
|
|
|
sync
|
|
[ -f "$conf_tar" ] && nand_restore_config "$conf_tar"
|
|
echo "sysupgrade successful"
|
|
reboot -f
|
|
}
|
|
|
|
# Flash the UBI image to MTD partition
|
|
nand_upgrade_ubinized() {
|
|
local ubi_file="$1"
|
|
local mtdnum="$(find_mtd_index "$CI_UBIPART")"
|
|
|
|
[ ! "$mtdnum" ] && {
|
|
CI_UBIPART="rootfs"
|
|
mtdnum="$(find_mtd_index "$CI_UBIPART")"
|
|
}
|
|
|
|
if [ ! "$mtdnum" ]; then
|
|
echo "cannot find mtd device $CI_UBIPART"
|
|
reboot -f
|
|
fi
|
|
|
|
local mtddev="/dev/mtd${mtdnum}"
|
|
ubidetach -p "${mtddev}" || true
|
|
sync
|
|
ubiformat "${mtddev}" -y -f "${ubi_file}"
|
|
ubiattach -p "${mtddev}"
|
|
nand_do_upgrade_success
|
|
}
|
|
|
|
# Write the UBIFS image to UBI volume
|
|
nand_upgrade_ubifs() {
|
|
local rootfs_length=`(cat $1 | wc -c) 2> /dev/null`
|
|
|
|
nand_upgrade_prepare_ubi "$rootfs_length" "ubifs" "0" "0"
|
|
|
|
local ubidev="$( nand_find_ubi "$CI_UBIPART" )"
|
|
local root_ubivol="$(nand_find_volume $ubidev rootfs)"
|
|
ubiupdatevol /dev/$root_ubivol -s $rootfs_length $1
|
|
|
|
nand_do_upgrade_success
|
|
}
|
|
|
|
nand_upgrade_tar() {
|
|
local tar_file="$1"
|
|
local board_name="$(cat /tmp/sysinfo/board_name)"
|
|
local kernel_mtd="$(find_mtd_index $CI_KERNPART)"
|
|
|
|
local kernel_length=`(tar xf $tar_file sysupgrade-$board_name/kernel -O | wc -c) 2> /dev/null`
|
|
local rootfs_length=`(tar xf $tar_file sysupgrade-$board_name/root -O | wc -c) 2> /dev/null`
|
|
|
|
local rootfs_type="$(identify_tar "$tar_file" sysupgrade-$board_name/root)"
|
|
|
|
local has_kernel=1
|
|
local has_env=0
|
|
|
|
[ "$kernel_length" != 0 -a -n "$kernel_mtd" ] && {
|
|
tar xf $tar_file sysupgrade-$board_name/kernel -O | mtd write - $CI_KERNPART
|
|
}
|
|
[ "$kernel_length" = 0 -o ! -z "$kernel_mtd" ] && has_kernel=0
|
|
|
|
nand_upgrade_prepare_ubi "$rootfs_length" "$rootfs_type" "$has_kernel" "$has_env"
|
|
|
|
local ubidev="$( nand_find_ubi "$CI_UBIPART" )"
|
|
[ "$has_kernel" = "1" ] && {
|
|
local kern_ubivol="$(nand_find_volume $ubidev kernel)"
|
|
tar xf $tar_file sysupgrade-$board_name/kernel -O | \
|
|
ubiupdatevol /dev/$kern_ubivol -s $kernel_length -
|
|
}
|
|
|
|
local root_ubivol="$(nand_find_volume $ubidev rootfs)"
|
|
tar xf $tar_file sysupgrade-$board_name/root -O | \
|
|
ubiupdatevol /dev/$root_ubivol -s $rootfs_length -
|
|
|
|
nand_do_upgrade_success
|
|
}
|
|
|
|
# Recognize type of passed file and start the upgrade process
|
|
nand_do_upgrade_stage2() {
|
|
local file_type=$(identify $1)
|
|
|
|
[ ! "$(find_mtd_index "$CI_UBIPART")" ] && CI_UBIPART="rootfs"
|
|
|
|
case "$file_type" in
|
|
"ubi") nand_upgrade_ubinized $1;;
|
|
"ubifs") nand_upgrade_ubifs $1;;
|
|
*) nand_upgrade_tar $1;;
|
|
esac
|
|
}
|
|
|
|
nand_upgrade_stage2() {
|
|
[ $1 = "nand" ] && {
|
|
[ -f "$2" ] && {
|
|
touch /tmp/sysupgrade
|
|
|
|
killall -9 telnetd
|
|
killall -9 dropbear
|
|
killall -9 ash
|
|
|
|
kill_remaining TERM
|
|
sleep 3
|
|
kill_remaining KILL
|
|
|
|
sleep 1
|
|
|
|
if [ -n "$(rootfs_type)" ]; then
|
|
v "Switching to ramdisk..."
|
|
run_ramfs ". /lib/functions.sh; include /lib/upgrade; nand_do_upgrade_stage2 $2"
|
|
else
|
|
nand_do_upgrade_stage2 $2
|
|
fi
|
|
return 0
|
|
}
|
|
echo "Nand upgrade failed"
|
|
exit 1
|
|
}
|
|
}
|
|
|
|
nand_upgrade_stage1() {
|
|
[ -f /tmp/sysupgrade-nand-path ] && {
|
|
path="$(cat /tmp/sysupgrade-nand-path)"
|
|
[ "$SAVE_CONFIG" != 1 -a -f "$CONF_TAR" ] &&
|
|
rm $CONF_TAR
|
|
|
|
ubus call system nandupgrade "{\"path\": \"$path\" }"
|
|
exit 0
|
|
}
|
|
}
|
|
append sysupgrade_pre_upgrade nand_upgrade_stage1
|
|
|
|
# Check if passed file is a valid one for NAND sysupgrade. Currently it accepts
|
|
# 3 types of files:
|
|
# 1) UBI - should contain an ubinized image, header is checked for the proper
|
|
# MAGIC
|
|
# 2) UBIFS - should contain UBIFS partition that will replace "rootfs" volume,
|
|
# header is checked for the proper MAGIC
|
|
# 3) TAR - archive has to include "sysupgrade-BOARD" directory with a non-empty
|
|
# "CONTROL" file (at this point its content isn't verified)
|
|
#
|
|
# You usually want to call this function in platform_check_image.
|
|
#
|
|
# $(1): board name, used in case of passing TAR file
|
|
# $(2): file to be checked
|
|
nand_do_platform_check() {
|
|
local board_name="$1"
|
|
local tar_file="$2"
|
|
local control_length=`(tar xf $tar_file sysupgrade-$board_name/CONTROL -O | wc -c) 2> /dev/null`
|
|
local file_type="$(identify $2)"
|
|
|
|
[ "$control_length" = 0 -a "$file_type" != "ubi" -a "$file_type" != "ubifs" ] && {
|
|
echo "Invalid sysupgrade file."
|
|
return 1
|
|
}
|
|
|
|
echo -n $2 > /tmp/sysupgrade-nand-path
|
|
cp /sbin/upgraded /tmp/
|
|
|
|
return 0
|
|
}
|