102 lines
2 KiB
Bash
Executable file
102 lines
2 KiB
Bash
Executable file
#
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# Copyright (C) 2014 OpenWrt.org
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#
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platform_get_rootfs() {
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local rootfsdev
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if read cmdline < /proc/cmdline; then
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case "$cmdline" in
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*block2mtd=*)
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rootfsdev="${cmdline##*block2mtd=}"
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rootfsdev="${rootfsdev%%,*}"
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;;
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*root=*)
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rootfsdev="${cmdline##*root=}"
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rootfsdev="${rootfsdev%% *}"
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;;
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esac
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echo "${rootfsdev}"
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fi
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}
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platform_copy_config() {
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local board="$(cat /tmp/sysinfo/board_name)"
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case "$board" in
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erlite)
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mount -t vfat /dev/sda1 /mnt
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cp -af "$CONF_TAR" /mnt/
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umount /mnt
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;;
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esac
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}
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platform_do_flash() {
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local tar_file=$1
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local board=$2
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local kernel=$3
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local rootfs=$4
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mkdir -p /boot
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mount -t vfat /dev/$kernel /boot
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[ -f /boot/vmlinux.64 -a ! -L /boot/vmlinux.64 ] && {
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mv /boot/vmlinux.64 /boot/vmlinux.64.previous
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mv /boot/vmlinux.64.md5 /boot/vmlinux.64.md5.previous
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}
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echo "flashing kernel to /dev/$kernel"
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tar xf $tar_file sysupgrade-$board/kernel -O > /boot/vmlinux.64
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md5sum /boot/vmlinux.64 | cut -f1 -d " " > /boot/vmlinux.64.md5
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echo "flashing rootfs to ${rootfs}"
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tar xf $tar_file sysupgrade-$board/root -O | dd of="${rootfs}" bs=4096
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sync
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umount /boot
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}
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platform_do_upgrade() {
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local tar_file="$1"
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local board=$(cat /tmp/sysinfo/board_name)
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local rootfs="$(platform_get_rootfs)"
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local kernel=
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[ -b "${rootfs}" ] || return 1
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case "$board" in
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erlite)
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kernel=sda1
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;;
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er)
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kernel=mmcblk0p1
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;;
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*)
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return 1
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esac
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platform_do_flash $tar_file $board $kernel $rootfs
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return 0
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}
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platform_check_image() {
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local board=$(cat /tmp/sysinfo/board_name)
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case "$board" in
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erlite | \
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er)
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local tar_file="$1"
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local kernel_length=`(tar xf $tar_file sysupgrade-$board/kernel -O | wc -c) 2> /dev/null`
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local rootfs_length=`(tar xf $tar_file sysupgrade-$board/root -O | wc -c) 2> /dev/null`
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[ "$kernel_length" = 0 -o "$rootfs_length" = 0 ] && {
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echo "The upgarde image is corrupt."
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return 1
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}
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return 0
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;;
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esac
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echo "Sysupgrade is not yet supported on $board."
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return 1
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}
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