mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-27 17:18:59 +00:00
77 lines
2.0 KiB
Bash
77 lines
2.0 KiB
Bash
|
#
|
||
|
|
# Copyright (C) 2015 OpenWrt.org
|
||
|
|
#
|
||
|
|
|
||
|
|
. /lib/functions.sh
|
||
|
|
#Note: this code also uses some functions from nand.sh, but it is expected to be run by nand.sh, so we are not
|
||
|
|
#sourcing it explicitly here
|
||
|
|
|
||
|
|
UBNT_ERX_KERNEL_INDEX_OFFSET=160
|
||
|
|
|
||
|
|
ubnt_get_target_kernel() {
|
||
|
|
local factory_mtd=$1
|
||
|
|
local current_kernel_index=$(hexdump -s $UBNT_ERX_KERNEL_INDEX_OFFSET -n 1 -e '/1 "%X "' ${factory_mtd})
|
||
|
|
|
||
|
|
if [ $current_kernel_index == "0" ]; then
|
||
|
|
echo 'kernel2'
|
||
|
|
elif [ $current_kernel_index == "1" ]; then
|
||
|
|
echo 'kernel1'
|
||
|
|
fi
|
||
|
|
}
|
||
|
|
|
||
|
|
ubnt_update_target_kernel() {
|
||
|
|
local factory_mtd=$1
|
||
|
|
local kernel_part=$2
|
||
|
|
|
||
|
|
local new_kernel_index
|
||
|
|
if [ $kernel_part == "kernel1" ]; then
|
||
|
|
new_kernel_index="\x00"
|
||
|
|
elif [ $kernel_part == "kernel2" ]; then
|
||
|
|
new_kernel_index="\x01"
|
||
|
|
else
|
||
|
|
echo 'Unknown kernel image index' >&2
|
||
|
|
return 1
|
||
|
|
fi
|
||
|
|
|
||
|
|
if ! (echo -e $new_kernel_index | dd of=${factory_mtd} bs=1 count=1 seek=$UBNT_ERX_KERNEL_INDEX_OFFSET); then
|
||
|
|
echo 'Failed to update kernel bootup index' >&2
|
||
|
|
return 1
|
||
|
|
fi
|
||
|
|
}
|
||
|
|
|
||
|
|
platform_upgrade_ubnt_erx() {
|
||
|
|
local factory_mtd=$(find_mtd_part factory)
|
||
|
|
if [ -z "$factory_mtd" ]; then
|
||
|
|
echo "cannot find factory partition" >&2
|
||
|
|
exit 1
|
||
|
|
fi
|
||
|
|
|
||
|
|
local kernel_part="$(ubnt_get_target_kernel ${factory_mtd})"
|
||
|
|
if [ -z "$kernel_part" ]; then
|
||
|
|
echo "cannot find factory partition" >&2
|
||
|
|
exit 1
|
||
|
|
fi
|
||
|
|
|
||
|
|
# This is a global defined in nand.sh, sets partition kernel will be flashed into
|
||
|
|
CI_KERNPART=${kernel_part}
|
||
|
|
|
||
|
|
#Remove volume possibly left over from stock firmware
|
||
|
|
local ubidev="$( nand_find_ubi "$CI_UBIPART" )"
|
||
|
|
if [ -z "$ubidev" ]; then
|
||
|
|
local mtdnum="$( find_mtd_index "$CI_UBIPART" )"
|
||
|
|
if [ -z "$mtdnum" ]; then
|
||
|
|
echo "cannot find ubi mtd partition $CI_UBIPART" >&2
|
||
|
|
exit 1
|
||
|
|
fi
|
||
|
|
ubiattach -m "$mtdnum"
|
||
|
|
sync
|
||
|
|
ubidev="$( nand_find_ubi "$CI_UBIPART" )"
|
||
|
|
fi
|
||
|
|
if [ -n "$ubidev" ]; then
|
||
|
|
local troot_ubivol="$( nand_find_volume $ubidev troot )"
|
||
|
|
[ -n "$troot_ubivol" ] && ubirmvol /dev/$ubidev -N troot || true
|
||
|
|
fi
|
||
|
|
|
||
|
|
ubnt_update_target_kernel ${factory_mtd} ${kernel_part} || exit 1
|
||
|
|
}
|