| 1 | . /lib/ixp4xx.sh |
| 2 | |
| 3 | RAMFS_COPY_DATA="/lib/ixp4xx.sh" |
| 4 | |
| 5 | # testing |
| 6 | RAMFS_COPY_BIN="/usr/bin/less /usr/bin/hexdump" |
| 7 | |
| 8 | CI_BLKSZ=65536 |
| 9 | CI_LDADR=0x00800000 |
| 10 | |
| 11 | platform_find_partitions() { |
| 12 | local first dev size erasesize name |
| 13 | while read dev size erasesize name; do |
| 14 | name=${name#'"'}; name=${name%'"'} |
| 15 | case "$name" in |
| 16 | vmlinux.bin.l7|kernel|linux|rootfs) |
| 17 | if [ -z "$first" ]; then |
| 18 | first="$name" |
| 19 | else |
| 20 | echo "$erasesize:$first:$name" |
| 21 | break |
| 22 | fi |
| 23 | ;; |
| 24 | esac |
| 25 | done < /proc/mtd |
| 26 | } |
| 27 | |
| 28 | platform_find_kernelpart() { |
| 29 | local part |
| 30 | for part in "${1%:*}" "${1#*:}"; do |
| 31 | case "$part" in |
| 32 | vmlinux.bin.l7|kernel|linux) |
| 33 | echo "$part" |
| 34 | break |
| 35 | ;; |
| 36 | esac |
| 37 | done |
| 38 | } |
| 39 | |
| 40 | platform_find_part_size() { |
| 41 | local first dev size erasesize name |
| 42 | while read dev size erasesize name; do |
| 43 | name=${name#'"'}; name=${name%'"'} |
| 44 | [ "$name" = "$1" ] && { |
| 45 | echo "$size" |
| 46 | break |
| 47 | } |
| 48 | done < /proc/mtd |
| 49 | } |
| 50 | |
| 51 | platform_do_upgrade_combined() { |
| 52 | local partitions=$(platform_find_partitions) |
| 53 | local kernelpart=$(platform_find_kernelpart "${partitions#*:}") |
| 54 | local erase_size=$((0x${partitions%%:*})); partitions="${partitions#*:}" |
| 55 | local kern_part_size=0x$(platform_find_part_size "$kernelpart") |
| 56 | local kern_part_blocks=$(($kern_part_size / $CI_BLKSZ)) |
| 57 | local kern_length=0x$(dd if="$1" bs=2 skip=1 count=4 2>/dev/null) |
| 58 | local kern_blocks=$(($kern_length / $CI_BLKSZ)) |
| 59 | local root_blocks=$((0x$(dd if="$1" bs=2 skip=5 count=4 2>/dev/null) / $CI_BLKSZ)) |
| 60 | |
| 61 | v "platform_do_upgrade_combined" |
| 62 | v "partitions=$partitions" |
| 63 | v "kernelpart=$kernelpart" |
| 64 | v "kernel_part_size=$kern_part_size" |
| 65 | v "kernel_part_blocks=$kern_part_blocks" |
| 66 | v "kern_length=$kern_length" |
| 67 | v "erase_size=$erase_size" |
| 68 | v "kern_blocks=$kern_blocks" |
| 69 | v "root_blocks=$root_blocks" |
| 70 | v "kern_pad_blocks=$(($kern_part_blocks-$kern_blocks))" |
| 71 | |
| 72 | if [ -n "$partitions" ] && [ -n "$kernelpart" ] && \ |
| 73 | [ ${kern_blocks:-0} -gt 0 ] && \ |
| 74 | [ ${root_blocks:-0} -gt 0 ] && \ |
| 75 | [ ${erase_size:-0} -gt 0 ]; |
| 76 | then |
| 77 | local append="" |
| 78 | [ -f "$CONF_TAR" -a "$SAVE_CONFIG" -eq 1 ] && append="-j $CONF_TAR" |
| 79 | |
| 80 | # write the kernel |
| 81 | dd if="$1" bs=$CI_BLKSZ skip=1 count=$kern_blocks 2>/dev/null | \ |
| 82 | mtd -F$kernelpart:$kern_part_size:$CI_LDADR write - $kernelpart |
| 83 | # write the rootfs |
| 84 | dd if="$1" bs=$CI_BLKSZ skip=$((1+$kern_blocks)) count=$root_blocks 2>/dev/null | \ |
| 85 | mtd $append write - rootfs |
| 86 | else |
| 87 | echo "invalid image" |
| 88 | fi |
| 89 | } |
| 90 | |
| 91 | platform_check_image() { |
| 92 | local board=$(ixp4xx_board_name) |
| 93 | local magic="$(get_magic_word "$1")" |
| 94 | local partitions=$(platform_find_partitions) |
| 95 | local kernelpart=$(platform_find_kernelpart "${partitions#*:}") |
| 96 | local kern_part_size=0x$(platform_find_part_size "$kernelpart") |
| 97 | local kern_length=0x$(dd if="$1" bs=2 skip=1 count=4 2>/dev/null) |
| 98 | |
| 99 | [ "$ARGC" -gt 1 ] && return 1 |
| 100 | |
| 101 | case "$board" in |
| 102 | avila | cambria ) |
| 103 | [ "$magic" != "4349" ] && { |
| 104 | echo "Invalid image. Use *-sysupgrade.bin files on this board" |
| 105 | return 1 |
| 106 | } |
| 107 | |
| 108 | kern_length_b=$(printf '%d' $kern_length) |
| 109 | kern_part_size_b=$(printf '%d' $kern_part_size) |
| 110 | if [ $kern_length_b -gt $kern_part_size_b ]; then |
| 111 | echo "Invalid image. Kernel size ($kern_length) exceeds kernel partition ($kern_part_size)" |
| 112 | return 1 |
| 113 | fi |
| 114 | |
| 115 | local md5_img=$(dd if="$1" bs=2 skip=9 count=16 2>/dev/null) |
| 116 | local md5_chk=$(dd if="$1" bs=$CI_BLKSZ skip=1 2>/dev/null | md5sum -); md5_chk="${md5_chk%% *}" |
| 117 | if [ -n "$md5_img" -a -n "$md5_chk" ] && [ "$md5_img" = "$md5_chk" ]; then |
| 118 | return 0 |
| 119 | else |
| 120 | echo "Invalid image. Contents do not match checksum (image:$md5_img calculated:$md5_chk)" |
| 121 | return 1 |
| 122 | fi |
| 123 | |
| 124 | return 0 |
| 125 | ;; |
| 126 | esac |
| 127 | |
| 128 | echo "Sysupgrade is not yet supported on $board." |
| 129 | return 1 |
| 130 | } |
| 131 | |
| 132 | platform_do_upgrade() { |
| 133 | local board=$(ixp4xx_board_name) |
| 134 | |
| 135 | v "board=$board" |
| 136 | case "$board" in |
| 137 | avila | cambria ) |
| 138 | platform_do_upgrade_combined "$ARGV" |
| 139 | ;; |
| 140 | *) |
| 141 | default_do_upgrade "$ARGV" |
| 142 | ;; |
| 143 | esac |
| 144 | } |
| 145 | |
| 146 | disable_watchdog() { |
| 147 | v "killing watchdog" |
| 148 | killall watchdog |
| 149 | ( ps | grep -v 'grep' | grep '/dev/watchdog' ) && { |
| 150 | echo 'Could not disable watchdog' |
| 151 | return 1 |
| 152 | } |
| 153 | } |
| 154 | |
| 155 | # CONFIG_WATCHDOG_NOWAYOUT=y - can't kill watchdog unless kernel cmdline has a mpcore_wdt.nowayout=0 |
| 156 | #append sysupgrade_pre_upgrade disable_watchdog |
| 157 | |
