66 lines
1.4 KiB
Bash
66 lines
1.4 KiB
Bash
|
#!/bin/sh
|
||
|
|
#
|
||
|
|
# Copyright (C) 2016 Chris Blake <chrisrblake93@gmail.com>
|
||
|
|
#
|
||
|
|
# Custom upgrade script for Meraki NAND devices (ex. MR24)
|
||
|
|
# Based on merakinand.sh from the ar71xx target
|
||
|
|
#
|
||
|
|
. /lib/apm821xx.sh
|
||
|
|
. /lib/functions.sh
|
||
|
|
|
||
|
|
merakinand_do_kernel_check() {
|
||
|
|
local board_name="$1"
|
||
|
|
local tar_file="$2"
|
||
|
|
local image_magic_word=`(tar xf $tar_file sysupgrade-$board_name/kernel -O 2>/dev/null | dd bs=1 count=4 skip=0 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"')`
|
||
|
|
|
||
|
|
# What is our kernel magic string?
|
||
|
|
case "$board_name" in
|
||
|
|
"mr24")
|
||
|
|
[ "$image_magic_word" == "8e73ed8a" ] && {
|
||
|
|
echo "pass" && return 0
|
||
|
|
}
|
||
|
|
;;
|
||
|
|
esac
|
||
|
|
|
||
|
|
exit 1
|
||
|
|
}
|
||
|
|
|
||
|
|
merakinand_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_tar $2 sysupgrade-$board_name/root)"
|
||
|
|
local kernel_magic="$(merakinand_do_kernel_check $1 $2)"
|
||
|
|
|
||
|
|
case "$board_name" in
|
||
|
|
"mr24")
|
||
|
|
[ "$control_length" = 0 -o "$file_type" != "squashfs" -o "$kernel_magic" != "pass" ] && {
|
||
|
|
echo "Invalid sysupgrade file for $board_name"
|
||
|
|
return 1
|
||
|
|
}
|
||
|
|
;;
|
||
|
|
*)
|
||
|
|
echo "Unsupported device $board_name";
|
||
|
|
return 1
|
||
|
|
;;
|
||
|
|
esac
|
||
|
|
|
||
|
|
return 0
|
||
|
|
}
|
||
|
|
|
||
|
|
merakinand_do_upgrade() {
|
||
|
|
local tar_file="$1"
|
||
|
|
local board_name="$(cat /tmp/sysinfo/board_name)"
|
||
|
|
|
||
|
|
# Do we need to do any platform tweaks?
|
||
|
|
case "$board_name" in
|
||
|
|
"mr24")
|
||
|
|
nand_do_upgrade $1
|
||
|
|
;;
|
||
|
|
*)
|
||
|
|
echo "Unsupported device $board_name";
|
||
|
|
exit 1
|
||
|
|
;;
|
||
|
|
esac
|
||
|
|
}
|