diff options
Diffstat (limited to 'target/linux/ixp4xx/base-files/lib/upgrade')
-rw-r--r-- | target/linux/ixp4xx/base-files/lib/upgrade/platform.sh | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/target/linux/ixp4xx/base-files/lib/upgrade/platform.sh b/target/linux/ixp4xx/base-files/lib/upgrade/platform.sh new file mode 100644 index 000000000..63be29315 --- /dev/null +++ b/target/linux/ixp4xx/base-files/lib/upgrade/platform.sh @@ -0,0 +1,156 @@ +. /lib/ixp4xx.sh + +RAMFS_COPY_DATA="/lib/ixp4xx.sh" + +# testing +RAMFS_COPY_BIN="/usr/bin/less /usr/bin/hexdump" + +CI_BLKSZ=65536 +CI_LDADR=0x00800000 + +platform_find_partitions() { + local first dev size erasesize name + while read dev size erasesize name; do + name=${name#'"'}; name=${name%'"'} + case "$name" in + vmlinux.bin.l7|kernel|linux|rootfs) + if [ -z "$first" ]; then + first="$name" + else + echo "$erasesize:$first:$name" + break + fi + ;; + esac + done < /proc/mtd +} + +platform_find_kernelpart() { + local part + for part in "${1%:*}" "${1#*:}"; do + case "$part" in + vmlinux.bin.l7|kernel|linux) + echo "$part" + break + ;; + esac + done +} + +platform_find_part_size() { + local first dev size erasesize name + while read dev size erasesize name; do + name=${name#'"'}; name=${name%'"'} + [ "$name" = "$1" ] && { + echo "$size" + break + } + done < /proc/mtd +} + +platform_do_upgrade_combined() { + local partitions=$(platform_find_partitions) + local kernelpart=$(platform_find_kernelpart "${partitions#*:}") + local erase_size=$((0x${partitions%%:*})); partitions="${partitions#*:}" + local kern_part_size=0x$(platform_find_part_size "$kernelpart") + local kern_part_blocks=$(($kern_part_size / $CI_BLKSZ)) + local kern_length=0x$(dd if="$1" bs=2 skip=1 count=4 2>/dev/null) + local kern_blocks=$(($kern_length / $CI_BLKSZ)) + local root_blocks=$((0x$(dd if="$1" bs=2 skip=5 count=4 2>/dev/null) / $CI_BLKSZ)) + + v "platform_do_upgrade_combined" + v "partitions=$partitions" + v "kernelpart=$kernelpart" + v "kernel_part_size=$kern_part_size" + v "kernel_part_blocks=$kern_part_blocks" + v "kern_length=$kern_length" + v "erase_size=$erase_size" + v "kern_blocks=$kern_blocks" + v "root_blocks=$root_blocks" + v "kern_pad_blocks=$(($kern_part_blocks-$kern_blocks))" + + if [ -n "$partitions" ] && [ -n "$kernelpart" ] && \ + [ ${kern_blocks:-0} -gt 0 ] && \ + [ ${root_blocks:-0} -gt 0 ] && \ + [ ${erase_size:-0} -gt 0 ]; + then + local append="" + [ -f "$CONF_TAR" -a "$SAVE_CONFIG" -eq 1 ] && append="-j $CONF_TAR" + + # write the kernel + dd if="$1" bs=$CI_BLKSZ skip=1 count=$kern_blocks 2>/dev/null | \ + mtd -F$kernelpart:$kern_part_size:$CI_LDADR write - $kernelpart + # write the rootfs + dd if="$1" bs=$CI_BLKSZ skip=$((1+$kern_blocks)) count=$root_blocks 2>/dev/null | \ + mtd $append write - rootfs + else + echo "invalid image" + fi +} + +platform_check_image() { + local board=$(ixp4xx_board_name) + local magic="$(get_magic_word "$1")" + local partitions=$(platform_find_partitions) + local kernelpart=$(platform_find_kernelpart "${partitions#*:}") + local kern_part_size=0x$(platform_find_part_size "$kernelpart") + local kern_length=0x$(dd if="$1" bs=2 skip=1 count=4 2>/dev/null) + + [ "$ARGC" -gt 1 ] && return 1 + + case "$board" in + avila | cambria ) + [ "$magic" != "4349" ] && { + echo "Invalid image. Use *-sysupgrade.bin files on this board" + return 1 + } + + kern_length_b=$(printf '%d' $kern_length) + kern_part_size_b=$(printf '%d' $kern_part_size) + if [ $kern_length_b -gt $kern_part_size_b ]; then + echo "Invalid image. Kernel size ($kern_length) exceeds kernel partition ($kern_part_size)" + return 1 + fi + + local md5_img=$(dd if="$1" bs=2 skip=9 count=16 2>/dev/null) + local md5_chk=$(dd if="$1" bs=$CI_BLKSZ skip=1 2>/dev/null | md5sum -); md5_chk="${md5_chk%% *}" + if [ -n "$md5_img" -a -n "$md5_chk" ] && [ "$md5_img" = "$md5_chk" ]; then + return 0 + else + echo "Invalid image. Contents do not match checksum (image:$md5_img calculated:$md5_chk)" + return 1 + fi + + return 0 + ;; + esac + + echo "Sysupgrade is not yet supported on $board." + return 1 +} + +platform_do_upgrade() { + local board=$(ixp4xx_board_name) + + v "board=$board" + case "$board" in + avila | cambria ) + platform_do_upgrade_combined "$ARGV" + ;; + *) + default_do_upgrade "$ARGV" + ;; + esac +} + +disable_watchdog() { + v "killing watchdog" + killall watchdog + ( ps | grep -v 'grep' | grep '/dev/watchdog' ) && { + echo 'Could not disable watchdog' + return 1 + } +} + +# CONFIG_WATCHDOG_NOWAYOUT=y - can't kill watchdog unless kernel cmdline has a mpcore_wdt.nowayout=0 +#append sysupgrade_pre_upgrade disable_watchdog |