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platform_check_image_redboot_fis() {
if [ "$(get_magic_word "$1")" != "7379" ]; then
v "Unknown image format, aborting!"
return 1
else
return 0
fi
}
platform_do_upgrade_redboot_fis() {
local append
local sysup_file="$1"
local kern_part="$2"
if [ "$(get_magic_word "$sysup_file")" = "7379" ]; then
local board_dir=$(tar tf $sysup_file | grep -m 1 '^sysupgrade-.*/$')
[ -f "$UPGRADE_BACKUP" ] && append="-j $UPGRADE_BACKUP"
if grep -q "mtd1.*loader" /proc/mtd; then
tar xf $sysup_file ${board_dir}kernel ${board_dir}root -O | \
mtd -r $append write - loader:firmware
else
local kern_length=$(tar xf $sysup_file ${board_dir}kernel -O | wc -c)
tar xf $sysup_file ${board_dir}kernel ${board_dir}root -O | \
mtd -r $append -F$kern_part:$kern_length:0x80060000,rootfs write - $kern_part:rootfs
fi
fi
}
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