# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
-RAMFS_COPY_BIN="bcm4908img expr"
+RAMFS_COPY_BIN="bcm4908img expr egrep fdtget fw_printenv fw_setenv tr"
PART_NAME=firmware
dd if="$1" skip=$2 bs=1 count=$3 2>/dev/null
}
+# $(1): file to read from
+# $(2): offset in bytes
+get_hex_u32_le() {
+ dd if="$1" skip=$2 bs=1 count=4 2>/dev/null | hexdump -v -e '1/4 "%02x"'
+}
+
# $(1): file to read from
# $(2): offset in bytes
get_hex_u32_be() {
magic=$(get_hex_u32_be "$1" 0)
case "$magic" in
+ d00dfeed)
+ BCM4908_FW_FORMAT="pkgtb"
+ return
+ ;;
2a23245e)
local header_len=$((0x$(get_hex_u32_be "$1" 4)))
local board_id_len=$(($header_len - 40))
BCM4908_FW_FORMAT="chk"
BCM4908_FW_BOARD_ID=$(dd if="$1" skip=40 bs=1 count=$board_id_len 2>/dev/null | hexdump -v -e '1/1 "%c"')
- BCM4908_FW_INT_IMG_FORMAT="bcm4908img"
+ magic=$(get_hex_u32_be "$1" "$header_len")
+ [ "$magic" = "d00dfeed" ] && {
+ BCM4908_FW_INT_IMG_FORMAT="pkgtb"
+ } || {
+ BCM4908_FW_INT_IMG_FORMAT="bcm4908img"
+ }
+ BCM4908_FW_INT_IMG_EXTRACT_CMD="dd skip=$header_len iflag=skip_bytes"
return
;;
esac
}
}
+#
+# pkgtb helpers
+#
+
+platform_pkgtb_get_image_name() {
+ local configuration=$($2 < $1 | fdtget - /configurations default)
+ [ -z "$configuration" ] && {
+ echo "Failed to read default configuration from pkgtb" >&2
+ return
+ }
+
+ local image_name=$($2 < $1 | fdtget - /configurations/$configuration $3)
+ [ -z "$image_name" ] && {
+ echo "Failed to read $3 from pkgtb configuration \"$configuration\"" >&2
+ return
+ }
+
+ echo "$image_name"
+}
+
+platform_pkgtb_get_image() {
+ local cmd="${2:-cat}"
+
+ local image_name=$(platform_pkgtb_get_image_name "$1" "$cmd" "$3")
+
+ $cmd < $1 | fdtget -p - /images/$image_name | egrep -q "^data$" && {
+ $cmd < $1 | fdtget -t r - /images/$image_name data
+ return
+ }
+
+ $cmd < $1 | fdtget -p - /images/$image_name | egrep -q "^data-position$" && {
+ local data_position=$($cmd < $1 | fdtget - /images/$image_name data-position)
+ local data_size=$($cmd < $1 | fdtget - /images/$image_name data-size)
+ $cmd < $1 2>/dev/null | dd skip=$data_position count=$data_size iflag=skip_bytes,count_bytes
+ return
+ }
+
+ $cmd < $1 | fdtget -p - /images/$image_name | egrep -q "^data-offset" && {
+ local data_offset=$($cmd < $1 | fdtget - /images/$image_name data-offset)
+ local totalsize=$(get_hex_u32_be "$1" 4)
+ local data_position=$(((0x$totalsize + data_offset + 3) & ~3))
+ local data_size=$($cmd < $1 | fdtget - /images/$image_name data-size)
+ $cmd < $1 2>/dev/null | dd skip=$data_position count=$data_size iflag=skip_bytes,count_bytes
+ return
+ }
+}
+
+platform_pkgtb_setup_env_config() {
+ local size=$((0x$(get_hex_u32_le /dev/ubi0_1 4)))
+
+ dd if=/dev/ubi0_1 of=/tmp/env.head count=8 iflag=count_bytes
+ dd if=/dev/ubi0_1 of=/tmp/env.body skip=8 iflag=skip_bytes
+ printf "%s\t0x%x\t0x%x\t0x%x" "/tmp/env.body" 0x0 $size $size > /tmp/env.config
+}
+
+platform_pkgtb_get_upgrade_index() {
+ platform_pkgtb_setup_env_config
+
+ case "$(fw_printenv -l /tmp -n -c /tmp/env.config COMMITTED)" in
+ 1) echo 2;;
+ 2) echo 1;;
+ *) echo 1;;
+ esac
+}
+
+platform_pkgtb_commit() {
+ local size=$((0x$(get_hex_u32_le /dev/ubi0_1 4)))
+ local valid1=0
+ local valid2=0
+ local seq1
+ local seq2
+ local tmp
+
+ platform_pkgtb_setup_env_config
+
+ # Read current values
+ for valid in $(fw_printenv -l /tmp -n -c /tmp/env.config VALID | tr ',' ' '); do
+ case "$valid" in
+ 1) valid0=1;;
+ 2) valid1=2;;
+ esac
+ done
+ seq0=$(fw_printenv -l /tmp -n -c /tmp/env.config SEQ | cut -d ',' -f 1)
+ seq1=$(fw_printenv -l /tmp -n -c /tmp/env.config SEQ | cut -d ',' -f 2)
+
+ # Calculate values
+ case "$1" in
+ 1) valid0=1; seq0=$(((seq1 + 1) % 1000));;
+ 2) valid1=2; seq1=$(((seq0 + 1) % 1000));;
+ esac
+
+ # Update variables
+ fw_setenv -l /tmp -c /tmp/env.config COMMITTED "$1"
+ fw_setenv -l /tmp -c /tmp/env.config VALID "$valid0,$valid1"
+ fw_setenv -l /tmp -c /tmp/env.config SEQ "$seq0,$seq1"
+
+ # Write
+ tmp=$(cat /tmp/env.head /tmp/env.body | wc -c)
+ cat /tmp/env.head /tmp/env.body | ubiupdatevol /dev/ubi0_1 -s $tmp -
+}
+
+#
+# check
+#
+
+platform_check_pkgtb() {
+ local cmd="${2:-cat}"
+
+ [ -n "$(platform_pkgtb_get_image_name "$1" "$cmd" "bootfs")" -a -n "$(platform_pkgtb_get_image_name "$1" "$cmd" "rootfs")" ]
+}
+
platform_check_image() {
[ "$#" -gt 1 ] && return 1
notify_firmware_no_backup
}
;;
+ "pkgtb")
+ platform_check_pkgtb "$1" || {
+ echo "Failed to validate pkgtb firmware" >&2
+ notify_firmware_broken
+ return 1
+ }
+ ;;
*)
case "$BCM4908_FW_INT_IMG_FORMAT" in
"bcm4908img")
notify_firmware_no_backup
}
;;
+ "pkgtb")
+ platform_check_pkgtb "$1" "$BCM4908_FW_INT_IMG_EXTRACT_CMD" || {
+ echo "Failed to validate pkgtb firmware" >&2
+ notify_firmware_broken
+ return 1
+ }
+ ;;
esac
;;
esac
return $error
}
+#
+# upgrade
+#
+
+platform_do_upgrade_pkgtb() {
+ local cmd="${2:-cat}"
+ local size
+ local idx bootfs_id rootfs_id
+
+ idx=$(platform_pkgtb_get_upgrade_index)
+ case "$idx" in
+ 1) bootfs_id=3; rootfs_id=4;;
+ 2) bootfs_id=5; rootfs_id=6;;
+ esac
+
+ size=$(platform_pkgtb_get_image "$1" "$cmd" "bootfs" | wc -c)
+ ubirmvol /dev/ubi0 -N bootfs$idx
+ ubimkvol /dev/ubi0 -n $bootfs_id -N bootfs$idx -t static -s $size
+ platform_pkgtb_get_image "$1" "$cmd" "bootfs" | ubiupdatevol /dev/ubi0_$bootfs_id -s $size -
+
+ size=$(platform_pkgtb_get_image "$1" "$cmd" "rootfs" | wc -c)
+ ubirmvol /dev/ubi0 -N rootfs$idx
+ ubimkvol /dev/ubi0 -n $rootfs_id -N rootfs$idx -t dynamic -s $size
+ platform_pkgtb_get_image "$1" "$cmd" "rootfs" | ubiupdatevol /dev/ubi0_$rootfs_id -s $size -
+
+ platform_pkgtb_commit $idx
+
+ nand_do_upgrade_success
+}
+
# $1: cferam index increment value
platform_calc_new_cferam() {
local inc="$1"
"bcm4908img")
bcm4908img bootfs -i "$1" ls | grep -q "1-openwrt" && platform_do_upgrade_ubi "$1"
;;
+ "pkgtb")
+ platform_do_upgrade_pkgtb "$1"
+ ;;
*)
case "$BCM4908_FW_INT_IMG_FORMAT" in
"bcm4908img")
bcm4908img bootfs -i "$1" ls | grep -q "1-openwrt" && platform_do_upgrade_ubi "$1"
;;
+ "pkgtb")
+ platform_do_upgrade_pkgtb "$1" "$BCM4908_FW_INT_IMG_EXTRACT_CMD"
+ ;;
*)
echo "NAND aware sysupgrade is unsupported for $BCM4908_FW_FORMAT format"
;;
# Above calls exit on success.
# If we got here it isn't OpenWrt image or something went wrong.
+ [ "$BCM4908_FW_FORMAT" = "pkgtb" -o "$BCM4908_FW_INT_IMG_FORMAT" = "pkgtb" ] && {
+ echo "Failed to upgrade pkgtb. Fallback to raw flashing is impossible for this format." >&2
+ exit 1
+ }
echo "Writing whole image to NAND flash. All erase counters will be lost."
# Find cferam name for new firmware
projects / openwrt / staging / chunkeey.git / commitdiff