2014-12-15 15:43:46 +00:00
|
|
|
PART_NAME=firmware
|
|
|
|
|
|
|
|
# $(1): file to read magic from
|
|
|
|
# $(2): offset in bytes
|
|
|
|
get_magic_long_at() {
|
|
|
|
dd if="$1" skip=$2 bs=1 count=4 2>/dev/null | hexdump -v -e '1/1 "%02x"'
|
|
|
|
}
|
|
|
|
|
2015-04-07 14:13:56 +00:00
|
|
|
platform_machine() {
|
|
|
|
cat /proc/device-tree/compatible | tr '\0' '\t' | cut -f 1
|
|
|
|
}
|
|
|
|
|
2014-12-15 15:43:46 +00:00
|
|
|
platform_flash_type() {
|
|
|
|
# On NAND devices "rootfs" is UBI volume, so won't be find in /proc/mtd
|
|
|
|
grep -q "\"rootfs\"" /proc/mtd && {
|
|
|
|
echo "serial"
|
|
|
|
return
|
|
|
|
}
|
|
|
|
|
|
|
|
echo "nand"
|
|
|
|
}
|
|
|
|
|
2015-04-07 14:13:56 +00:00
|
|
|
platform_expected_image() {
|
|
|
|
local machine=$(platform_machine)
|
|
|
|
|
|
|
|
case "$machine" in
|
|
|
|
"netgear,r6250v1") echo "chk U12H245T00_NETGEAR"; return;;
|
|
|
|
"netgear,r6300v2") echo "chk U12H240T00_NETGEAR"; return;;
|
|
|
|
"netgear,r8000") echo "chk U12H315T00_NETGEAR"; return;;
|
|
|
|
esac
|
|
|
|
}
|
|
|
|
|
2014-12-15 15:43:46 +00:00
|
|
|
platform_identify() {
|
|
|
|
local magic
|
|
|
|
|
|
|
|
magic=$(get_magic_long "$1")
|
|
|
|
case "$magic" in
|
|
|
|
"48445230")
|
|
|
|
echo "trx"
|
|
|
|
return
|
|
|
|
;;
|
|
|
|
"2a23245e")
|
|
|
|
echo "chk"
|
|
|
|
return
|
|
|
|
;;
|
|
|
|
esac
|
|
|
|
|
|
|
|
magic=$(get_magic_long_at "$1" 14)
|
|
|
|
[ "$magic" = "55324e44" ] && {
|
|
|
|
echo "cybertan"
|
|
|
|
return
|
|
|
|
}
|
|
|
|
|
|
|
|
echo "unknown"
|
|
|
|
}
|
|
|
|
|
|
|
|
platform_check_image() {
|
|
|
|
[ "$#" -gt 1 ] && return 1
|
|
|
|
|
|
|
|
[ "$(platform_flash_type)" = "nand" ] && {
|
|
|
|
echo "Firmware upgrade on NAND devices is not implemented."
|
|
|
|
return 1
|
|
|
|
}
|
|
|
|
|
|
|
|
local file_type=$(platform_identify "$1")
|
2015-04-07 14:13:56 +00:00
|
|
|
local magic
|
2015-04-07 14:14:02 +00:00
|
|
|
local error=0
|
2014-12-15 15:43:46 +00:00
|
|
|
|
|
|
|
case "$file_type" in
|
|
|
|
"chk")
|
|
|
|
local header_len=$((0x$(get_magic_long_at "$1" 4)))
|
|
|
|
local board_id_len=$(($header_len - 40))
|
|
|
|
local board_id=$(dd if="$1" skip=40 bs=1 count=$board_id_len 2>/dev/null | hexdump -v -e '1/1 "%c"')
|
2015-04-07 14:13:56 +00:00
|
|
|
local dev_board_id=$(platform_expected_image)
|
2014-12-15 15:43:46 +00:00
|
|
|
echo "Found CHK image with device board_id $board_id"
|
2014-12-30 17:45:53 +00:00
|
|
|
|
2015-04-07 14:13:56 +00:00
|
|
|
[ -n "$dev_board_id" -a "chk $board_id" != "$dev_board_id" ] && {
|
|
|
|
echo "Firmware board_id doesn't match device board_id ($dev_board_id)"
|
2015-04-07 14:14:02 +00:00
|
|
|
error=1
|
2015-04-07 14:13:56 +00:00
|
|
|
}
|
|
|
|
|
2015-04-14 20:50:46 +00:00
|
|
|
if ! otrx check "$1" -o "$header_len"; then
|
2014-12-30 17:45:53 +00:00
|
|
|
echo "No valid TRX firmware in the CHK image"
|
2015-04-07 14:14:02 +00:00
|
|
|
error=1
|
2015-04-07 14:14:08 +00:00
|
|
|
fi
|
2014-12-15 15:43:46 +00:00
|
|
|
;;
|
|
|
|
"cybertan")
|
2015-04-07 14:13:56 +00:00
|
|
|
local pattern=$(dd if="$1" bs=1 count=4 2>/dev/null | hexdump -v -e '1/1 "%c"')
|
|
|
|
local dev_pattern=$(platform_expected_image)
|
|
|
|
echo "Found CyberTAN image with device pattern: $pattern"
|
|
|
|
|
|
|
|
[ -n "$dev_pattern" -a "cybertan $pattern" != "$dev_pattern" ] && {
|
|
|
|
echo "Firmware pattern doesn't match device pattern ($dev_pattern)"
|
2015-04-07 14:14:02 +00:00
|
|
|
error=1
|
2015-04-07 14:13:56 +00:00
|
|
|
}
|
2014-12-30 17:45:53 +00:00
|
|
|
|
2015-04-14 20:50:46 +00:00
|
|
|
if ! otrx check "$1" -o 32; then
|
2014-12-30 17:45:53 +00:00
|
|
|
echo "No valid TRX firmware in the CyberTAN image"
|
2015-04-07 14:14:02 +00:00
|
|
|
error=1
|
2015-04-07 14:14:08 +00:00
|
|
|
fi
|
2014-12-15 15:43:46 +00:00
|
|
|
;;
|
|
|
|
"trx")
|
2015-04-14 20:50:46 +00:00
|
|
|
if ! otrx check "$1"; then
|
2015-04-09 06:33:56 +00:00
|
|
|
echo "Invalid (corrupted?) TRX firmware"
|
|
|
|
error=1
|
|
|
|
fi
|
2014-12-15 15:43:46 +00:00
|
|
|
;;
|
|
|
|
*)
|
|
|
|
echo "Invalid image type. Please use only .trx files"
|
2015-04-07 14:14:02 +00:00
|
|
|
error=1
|
2014-12-15 15:43:46 +00:00
|
|
|
;;
|
|
|
|
esac
|
2015-04-07 14:14:02 +00:00
|
|
|
|
|
|
|
return $error
|
2014-12-15 15:43:46 +00:00
|
|
|
}
|
|
|
|
|
2015-04-12 10:42:27 +00:00
|
|
|
platform_extract_trx_from_chk() {
|
2014-12-15 15:43:46 +00:00
|
|
|
local header_len=$((0x$(get_magic_long_at "$1" 4)))
|
|
|
|
|
2015-04-12 10:42:27 +00:00
|
|
|
dd if="$1" of="$2" bs=$header_len skip=1
|
2014-12-15 15:43:46 +00:00
|
|
|
}
|
|
|
|
|
2015-04-12 10:42:27 +00:00
|
|
|
platform_extract_trx_from_cybertan() {
|
|
|
|
dd if="$1" of="$2" bs=32 skip=1
|
2014-12-15 15:43:46 +00:00
|
|
|
}
|
|
|
|
|
2015-04-12 11:46:16 +00:00
|
|
|
platform_pre_upgrade() {
|
|
|
|
local file_type=$(platform_identify "$1")
|
|
|
|
local dir="/tmp/sysupgrade-bcm53xx"
|
|
|
|
local trx="$1"
|
|
|
|
|
|
|
|
[ "$(platform_flash_type)" != "nand" ] && return
|
|
|
|
|
|
|
|
# Extract trx
|
|
|
|
case "$file_type" in
|
2015-04-17 06:03:00 +00:00
|
|
|
"chk") trx="/tmp/$(basename $1).trx"; platform_extract_trx_from_chk "$1" "$trx";;
|
|
|
|
"cybertan") trx="/tmp/$(basename $1).trx"; platform_extract_trx_from_cybertan "$1" "$trx";;
|
2015-04-12 11:46:16 +00:00
|
|
|
esac
|
|
|
|
|
|
|
|
# Extract partitions from trx
|
|
|
|
rm -fR $dir
|
|
|
|
mkdir -p $dir
|
2015-04-14 20:50:46 +00:00
|
|
|
otrx extract "$trx" \
|
2015-04-12 11:46:16 +00:00
|
|
|
-1 $dir/kernel \
|
|
|
|
-2 $dir/root
|
|
|
|
|
|
|
|
# Firmwares without UBI image should be flashed "normally"
|
|
|
|
local root_type=$(identify $dir/root)
|
|
|
|
[ "$root_type" != "ubi" ] && return
|
|
|
|
|
2015-04-12 12:04:13 +00:00
|
|
|
echo "Provided firmware contains kernel and UBI image, but flashing it is unsupported yet"
|
2015-04-12 11:46:16 +00:00
|
|
|
exit 1
|
2015-04-14 20:50:59 +00:00
|
|
|
|
|
|
|
# Prepare TRX file with just a kernel that will replace current one
|
|
|
|
local linux_length=$(grep "\"linux\"" /proc/mtd | sed "s/mtd[0-9]*:[ \t]*\([^ \t]*\).*/\1/")
|
|
|
|
[ -z "$linux_length" ] && {
|
|
|
|
echo "Unable to find \"linux\" partition size"
|
|
|
|
exit 1
|
|
|
|
}
|
|
|
|
linux_length=$((0x$linux_length + 28))
|
|
|
|
rm -f /tmp/null.bin
|
|
|
|
rm -f /tmp/kernel.trx
|
|
|
|
touch /tmp/null.bin
|
|
|
|
otrx create /tmp/kernel.trx \
|
|
|
|
-f $dir/kernel -b $linux_length \
|
|
|
|
-f /tmp/null.bin
|
|
|
|
|
|
|
|
# Flash
|
|
|
|
mtd write /tmp/kernel.trx firmware
|
2015-04-12 11:46:16 +00:00
|
|
|
}
|
|
|
|
|
2014-12-15 15:43:46 +00:00
|
|
|
platform_do_upgrade() {
|
|
|
|
local file_type=$(platform_identify "$1")
|
2015-04-12 10:42:27 +00:00
|
|
|
local trx="$1"
|
|
|
|
|
|
|
|
[ "$(platform_flash_type)" == "nand" ] && {
|
2015-04-12 12:04:13 +00:00
|
|
|
echo "Flashing firmware without UBI for rootfs. All erase counters will be lost."
|
2015-04-12 10:42:27 +00:00
|
|
|
}
|
2014-12-15 15:43:46 +00:00
|
|
|
|
|
|
|
case "$file_type" in
|
2015-04-17 06:03:00 +00:00
|
|
|
"chk") trx="/tmp/$(basename $1).trx"; platform_extract_trx_from_chk "$1" "$trx";;
|
|
|
|
"cybertan") trx="/tmp/$(basename $1).trx"; platform_extract_trx_from_cybertan "$1" "$trx";;
|
2014-12-15 15:43:46 +00:00
|
|
|
esac
|
2015-04-12 10:42:27 +00:00
|
|
|
|
|
|
|
shift
|
|
|
|
default_do_upgrade "$trx" "$@"
|
2014-12-15 15:43:46 +00:00
|
|
|
}
|