OpenWrt – Blame information for rev 2
?pathlinks?
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1 | office | 1 | linksys_get_target_firmware() { |
| 2 | cur_boot_part=$(/usr/sbin/fw_printenv -n boot_part) |
||
| 3 | target_firmware="" |
||
| 4 | if [ "$cur_boot_part" = "1" ]; then |
||
| 5 | # current primary boot - update alt boot |
||
| 6 | target_firmware="alt_kernel" |
||
| 7 | fw_setenv boot_part 2 |
||
| 8 | # In the Linksys EA6350v3, it is enough to set the boot_part as the boot command line is |
||
| 9 | # bootcmd=if test $boot_part = 1; then run bootpart1; else run bootpart2; fi |
||
| 10 | # - You probably want to use that if your device's uboot does not eval bootcmd |
||
| 11 | #fw_setenv bootcmd "run altnandboot" |
||
| 12 | elif [ "$cur_boot_part" = "2" ]; then |
||
| 13 | # current alt boot - update primary boot |
||
| 14 | target_firmware="kernel" |
||
| 15 | fw_setenv boot_part 1 |
||
| 16 | #fw_setenv bootcmd "run nandboot" |
||
| 17 | fi |
||
| 18 | |||
| 19 | # re-enable recovery so we get back if the new firmware is broken |
||
| 20 | fw_setenv auto_recovery yes |
||
| 21 | # see /etc/init.d/zlinksys_recovery |
||
| 22 | |||
| 23 | echo "$target_firmware" |
||
| 24 | } |
||
| 25 | |||
| 26 | linksys_get_root_magic() { |
||
| 27 | (get_image "$@" | dd skip=786432 bs=4 count=1 | hexdump -v -n 4 -e '1/1 "%02x"') 2>/dev/null |
||
| 28 | } |
||
| 29 | |||
| 30 | platform_do_upgrade_linksys() { |
||
| 31 | local magic_long="$(get_magic_long "$1")" |
||
| 32 | |||
| 33 | mkdir -p /var/lock |
||
| 34 | local part_label="$(linksys_get_target_firmware)" |
||
| 35 | touch /var/lock/fw_printenv.lock |
||
| 36 | |||
| 37 | if [ ! -n "$part_label" ]; then |
||
| 38 | echo "cannot find target partition" |
||
| 39 | exit 1 |
||
| 40 | fi |
||
| 41 | |||
| 42 | local target_mtd=$(find_mtd_part $part_label) |
||
| 43 | |||
| 44 | [ "$magic_long" = "73797375" ] && { |
||
| 45 | CI_KERNPART="$part_label" |
||
| 46 | if [ "$part_label" = "kernel" ]; then |
||
| 47 | CI_UBIPART="rootfs" |
||
| 48 | else |
||
| 49 | CI_UBIPART="alt_rootfs" |
||
| 50 | fi |
||
| 51 | |||
| 52 | # remove "squashfs" vol (in case we are flashing over a stock image, which is also UBI) |
||
| 53 | |||
| 54 | local mtdnum="$( find_mtd_index "$CI_UBIPART" )" |
||
| 55 | if [ ! "$mtdnum" ]; then |
||
| 56 | echo "cannot find ubi mtd partition $CI_UBIPART" |
||
| 57 | return 1 |
||
| 58 | fi |
||
| 59 | |||
| 60 | local ubidev="$( nand_find_ubi "$CI_UBIPART" )" |
||
| 61 | if [ ! "$ubidev" ]; then |
||
| 62 | ubiattach -m "$mtdnum" |
||
| 63 | sync |
||
| 64 | ubidev="$( nand_find_ubi "$CI_UBIPART" )" |
||
| 65 | fi |
||
| 66 | |||
| 67 | if [ "$ubidev" ]; then |
||
| 68 | local squash_ubivol="$( nand_find_volume $ubidev squashfs )" |
||
| 69 | # kill volume |
||
| 70 | [ "$squash_ubivol" ] && ubirmvol /dev/$ubidev -N squashfs || true |
||
| 71 | fi |
||
| 72 | |||
| 73 | # complete std upgrade |
||
| 74 | nand_upgrade_tar "$1" |
||
| 75 | } |
||
| 76 | [ "$magic_long" = "27051956" ] && { |
||
| 77 | # This magic is for a uImage (which is a sysupgrade image) |
||
| 78 | # check firmwares' rootfs types |
||
| 79 | local oldroot="$(linksys_get_root_magic $target_mtd)" |
||
| 80 | local newroot="$(linksys_get_root_magic "$1")" |
||
| 81 | |||
| 82 | if [ "$newroot" = "55424923" -a "$oldroot" = "55424923" ]; then |
||
| 83 | # we're upgrading from a firmware with UBI to one with UBI |
||
| 84 | # erase everything to be safe |
||
| 85 | # - Is that really needed? Won't remove (or comment) the if, because it may be needed in a future device. |
||
| 86 | #mtd erase $part_label |
||
| 87 | #get_image "$1" | mtd -n write - $part_label |
||
| 88 | echo "writing \"$1\" UBI image to \"$part_label\" (UBI)..." |
||
| 89 | get_image "$1" | mtd write - $part_label |
||
| 90 | else |
||
| 91 | echo "writing \"$1\" image to \"$part_label\"" |
||
| 92 | get_image "$1" | mtd write - $part_label |
||
| 93 | fi |
||
| 94 | } |
||
| 95 | } |