dd if="$1" skip=$2 bs=1 count=4 2>/dev/null | hexdump -v -e '1/1 "%02x"'
}
+platform_machine() {
+ cat /proc/device-tree/compatible | tr '\0' '\t' | cut -f 1
+}
+
platform_flash_type() {
# On NAND devices "rootfs" is UBI volume, so won't be find in /proc/mtd
grep -q "\"rootfs\"" /proc/mtd && {
echo "nand"
}
+platform_expected_image() {
+ local machine=$(platform_machine)
+
+ case "$machine" in
+ "netgear,r6250v1") echo "chk U12H245T00_NETGEAR"; return;;
+ "netgear,r6300v2") echo "chk U12H240T00_NETGEAR"; return;;
+ "netgear,r7000") echo "chk U12H270T00_NETGEAR"; return;;
+ "netgear,r8000") echo "chk U12H315T00_NETGEAR"; return;;
+ esac
+}
+
platform_identify() {
local magic
echo "chk"
return
;;
+ "5ea3a417")
+ echo "seama"
+ return
+ ;;
esac
magic=$(get_magic_long_at "$1" 14)
platform_check_image() {
[ "$#" -gt 1 ] && return 1
- [ "$(platform_flash_type)" = "nand" ] && {
- echo "Firmware upgrade on NAND devices is not implemented."
- return 1
- }
-
local file_type=$(platform_identify "$1")
+ local magic
+ local error=0
case "$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"')
+ local dev_board_id=$(platform_expected_image)
echo "Found CHK image with device board_id $board_id"
- magic=$(get_magic_long_at "$1" "$header_len")
- [ "$magic" != "48445230" ] && {
- echo "No valid TRX firmware in the CHK image"
- return 1
+ [ -n "$dev_board_id" -a "chk $board_id" != "$dev_board_id" ] && {
+ echo "Firmware board_id doesn't match device board_id ($dev_board_id)"
+ error=1
}
- return 0
+ if ! otrx check "$1" -o "$header_len"; then
+ echo "No valid TRX firmware in the CHK image"
+ error=1
+ fi
;;
"cybertan")
- local magic=$(dd if="$1" bs=1 count=4 2>/dev/null | hexdump -v -e '1/1 "%c"')
- echo "Found CyberTAN image with device magic: $magic"
+ local pattern=$(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: $pattern"
- magic=$(get_magic_long_at "$1" 32)
- [ "$magic" != "48445230" ] && {
- echo "No valid TRX firmware in the CyberTAN image"
- return 1
+ [ -n "$dev_pattern" -a "cybertan $pattern" != "$dev_pattern" ] && {
+ echo "Firmware pattern doesn't match device pattern ($dev_pattern)"
+ error=1
}
- return 0
+ if ! otrx check "$1" -o 32; then
+ echo "No valid TRX firmware in the CyberTAN image"
+ error=1
+ fi
+ ;;
+ "seama")
+ echo "Seama firmware format is unsupported"
+ error=1
;;
"trx")
- return 0
+ if ! otrx check "$1"; then
+ echo "Invalid (corrupted?) TRX firmware"
+ error=1
+ fi
;;
*)
echo "Invalid image type. Please use only .trx files"
- return 1
+ error=1
;;
esac
+
+ return $error
}
-# Extract TRX and use stadard upgrade method
-platform_do_upgrade_chk() {
- local header_len=$((0x$(get_magic_long_at "$1" 4)))
- local trx="/tmp/$1.trx"
+platform_pre_upgrade() {
+ local file_type=$(platform_identify "$1")
+ local dir="/tmp/sysupgrade-bcm53xx"
+ local trx="$1"
+ local offset
- dd if="$1" of="$trx" bs=$header_len skip=1
- shift
- platform_do_upgrade_trx "$trx" "$@"
-}
+ [ "$(platform_flash_type)" != "nand" ] && return
+
+ # Find trx offset
+ case "$file_type" in
+ "chk") offset=$((0x$(get_magic_long_at "$1" 4)));;
+ "cybertan") offset=32;;
+ esac
-# Extract TRX and use stadard upgrade method
-platform_do_upgrade_cybertan() {
- local trx="/tmp/$1.trx"
+ # 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 $dir/root)
+ [ "$root_type" != "ubi" ] && {
+ echo "Provided firmware doesn't use UBI for rootfs."
+ return
+ }
+
+ # 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$linux_length))
+ local kernel_length=$(wc -c $dir/kernel | cut -d ' ' -f 1)
+ [ $kernel_length -gt $linux_length ] && {
+ echo "New kernel doesn't fit \"linux\" partition."
+ return
+ }
+ 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 + 28)) \
+ -f /tmp/null.bin
+ [ $? -ne 0 ] && {
+ echo "Failed to create simple TRX with new kernel."
+ return
+ }
- dd if="$1" of="$trx" bs=32 skip=1
- shift
- platform_do_upgrade_trx "$trx" "$@"
+ # Prepare UBI image (drop unwanted extra blocks)
+ local ubi_length=0
+ while [ "$(dd if=$dir/root skip=$ubi_length bs=1 count=4 2>/dev/null)" = "UBI#" ]; do
+ ubi_length=$(($ubi_length + 131072))
+ done
+ dd if=$dir/root of=/tmp/root.ubi bs=131072 count=$((ubi_length / 131072)) 2>/dev/null
+ [ $? -ne 0 ] && {
+ echo "Failed to prepare new UBI image."
+ return
+ }
+
+ # Flash
+ mtd write /tmp/kernel.trx firmware
+ nand_do_upgrade /tmp/root.ubi
}
-platform_do_upgrade_trx() {
- local flash_type=$(platform_flash_type)
+platform_trx_from_chk_cmd() {
+ local header_len=$((0x$(get_magic_long_at "$1" 4)))
- case "$flash_type" in
- "serial")
- default_do_upgrade "$@"
- ;;
- "nand")
- echo "Firmware upgrade on NAND devices is REALLY unsupported."
- ;;
- esac
+ echo -n dd bs=$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 "$file_type" in
- "chk") platform_do_upgrade_chk "$ARGV";;
- "cybertan") platform_do_upgrade_cybertan "$ARGV";;
- *) platform_do_upgrade_trx "$ARGV";;
+ "chk") cmd=$(platform_trx_from_chk_cmd "$trx");;
+ "cybertan") cmd=$(platform_trx_from_cybertan_cmd "$trx");;
esac
+
+ default_do_upgrade "$trx" "$cmd"
}
projects / openwrt / openwrt.git / blobdiff