case "$machine" in
"netgear,r6250v1") echo "chk U12H245T00_NETGEAR"; return;;
"netgear,r6300v2") echo "chk U12H240T00_NETGEAR"; return;;
+ "netgear,r7000") echo "chk U12H270T00_NETGEAR"; return;;
"netgear,r8000") echo "chk U12H315T00_NETGEAR"; return;;
esac
}
echo "chk"
return
;;
+ "5ea3a417")
+ echo "seama"
+ return
+ ;;
esac
magic=$(get_magic_long_at "$1" 14)
error=1
fi
;;
+ "seama")
+ echo "Seama firmware format is unsupported"
+ error=1
+ ;;
"trx")
if ! otrx check "$1"; then
echo "Invalid (corrupted?) TRX firmware"
return $error
}
-platform_extract_trx_from_chk() {
- local header_len=$((0x$(get_magic_long_at "$1" 4)))
-
- dd if="$1" of="$2" bs=$header_len skip=1
-}
-
-platform_extract_trx_from_cybertan() {
- dd if="$1" of="$2" bs=32 skip=1
-}
-
platform_pre_upgrade() {
local file_type=$(platform_identify "$1")
local dir="/tmp/sysupgrade-bcm53xx"
local trx="$1"
+ local offset
[ "$(platform_flash_type)" != "nand" ] && return
- # Extract trx
+ # Find trx offset
case "$file_type" in
- "chk") trx="/tmp/$(basename $1).trx"; platform_extract_trx_from_chk "$1" "$trx";;
- "cybertan") trx="/tmp/$(basename $1).trx"; platform_extract_trx_from_cybertan "$1" "$trx";;
+ "chk") offset=$((0x$(get_magic_long_at "$1" 4)));;
+ "cybertan") offset=32;;
esac
# Extract partitions from trx
rm -fR $dir
mkdir -p $dir
otrx extract "$trx" \
+ ${offset:+-o $offset} \
-1 $dir/kernel \
-2 $dir/root
+ [ $? -ne 0 ] && {
+ echo "Failed to extract TRX partitions."
+ return
+ }
# Firmwares without UBI image should be flashed "normally"
local root_type=$(identify $dir/root)
otrx create /tmp/kernel.trx \
-f $dir/kernel -b $(($linux_length + 28)) \
-f /tmp/null.bin
+ [ $? -ne 0 ] && {
+ echo "Failed to create simple TRX with new kernel."
+ return
+ }
# Prepare UBI image (drop unwanted extra blocks)
local ubi_length=0
ubi_length=$(($ubi_length + 131072))
done
dd if=$dir/root of=/tmp/root.ubi bs=131072 count=$((ubi_length / 131072)) 2>/dev/null
+ [ $? -ne 0 ] && {
+ echo "Failed to prepare new UBI image."
+ return
+ }
# Flash
mtd write /tmp/kernel.trx firmware
nand_do_upgrade /tmp/root.ubi
}
+platform_trx_from_chk_cmd() {
+ local header_len=$((0x$(get_magic_long_at "$1" 4)))
+
+ echo -n dd bs=$header_len skip=1
+}
+
+platform_trx_from_cybertan_cmd() {
+ echo -n dd bs=32 skip=1
+}
+
platform_do_upgrade() {
local file_type=$(platform_identify "$1")
local trx="$1"
+ local cmd=
[ "$(platform_flash_type)" == "nand" ] && {
echo "Writing whole image to NAND flash. All erase counters will be lost."
}
case "$file_type" in
- "chk") trx="/tmp/$(basename $1).trx"; platform_extract_trx_from_chk "$1" "$trx";;
- "cybertan") trx="/tmp/$(basename $1).trx"; platform_extract_trx_from_cybertan "$1" "$trx";;
+ "chk") cmd=$(platform_trx_from_chk_cmd "$trx");;
+ "cybertan") cmd=$(platform_trx_from_cybertan_cmd "$trx");;
esac
- shift
- default_do_upgrade "$trx" "$@"
+ default_do_upgrade "$trx" "$cmd"
}