| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | # |
| 2 | # Copyright (C) 2014 OpenWrt.org |
| 3 | # |
| 4 | |
| 5 | platform_get_rootfs() { |
| 6 | local rootfsdev |
| 7 | |
| 8 | if read cmdline < /proc/cmdline; then |
| 9 | case "$cmdline" in |
| 10 | *root=*) |
| 11 | rootfsdev="${cmdline##*root=}" |
| 12 | rootfsdev="${rootfsdev%% *}" |
| 13 | ;; |
| 14 | esac |
| 15 | |
| 16 | echo "${rootfsdev}" |
| 17 | fi |
| 18 | } |
| 19 | |
| 20 | platform_copy_config() { |
| 21 | case "$(board_name)" in |
| 22 | erlite) |
| 23 | mount -t vfat /dev/sda1 /mnt |
| 24 | cp -af "$UPGRADE_BACKUP" "/mnt/$BACKUP_FILE" |
| 25 | umount /mnt |
| 26 | ;; |
| 27 | itus,shield-router) |
| 28 | mount -t vfat /dev/mmcblk1p1 /mnt |
| 29 | cp -af "$UPGRADE_BACKUP" "/mnt/$BACKUP_FILE" |
| 30 | umount /mnt |
| 31 | ;; |
| 32 | ubnt,edgerouter-4) |
| 33 | mount -t vfat /dev/mmcblk0p1 /mnt |
| 34 | cp -af "$UPGRADE_BACKUP" "/mnt/$BACKUP_FILE" |
| 35 | umount /mnt |
| 36 | ;; |
| 37 | esac |
| 38 | } |
| 39 | |
| 40 | platform_do_flash() { |
| 41 | local tar_file=$1 |
| 42 | local board=$2 |
| 43 | local kernel=$3 |
| 44 | local rootfs=$4 |
| 45 | |
| 46 | local board_dir=$(tar tf "$tar_file" | grep -m 1 '^sysupgrade-.*/$') |
| 47 | board_dir=${board_dir%/} |
| 48 | [ -n "$board_dir" ] || return 1 |
| 49 | |
| 50 | mkdir -p /boot |
| 51 | |
| 52 | if [ $board = "itus,shield-router" ]; then |
| 53 | # mmcblk1p1 (fat) contains all ELF-bin images for the Shield |
| 54 | mount /dev/mmcblk1p1 /boot |
| 55 | |
| 56 | echo "flashing Itus Kernel to /boot/$kernel (/dev/mmblk1p1)" |
| 57 | tar -Oxf $tar_file "$board_dir/kernel" > /boot/$kernel |
| 58 | else |
| 59 | mount -t vfat /dev/$kernel /boot |
| 60 | |
| 61 | [ -f /boot/vmlinux.64 -a ! -L /boot/vmlinux.64 ] && { |
| 62 | mv /boot/vmlinux.64 /boot/vmlinux.64.previous |
| 63 | mv /boot/vmlinux.64.md5 /boot/vmlinux.64.md5.previous |
| 64 | } |
| 65 | |
| 66 | echo "flashing kernel to /dev/$kernel" |
| 67 | tar xf $tar_file $board_dir/kernel -O > /boot/vmlinux.64 |
| 68 | md5sum /boot/vmlinux.64 | cut -f1 -d " " > /boot/vmlinux.64.md5 |
| 69 | fi |
| 70 | |
| 71 | echo "flashing rootfs to ${rootfs}" |
| 72 | tar xf $tar_file $board_dir/root -O | dd of="${rootfs}" bs=4096 |
| 73 | |
| 74 | sync |
| 75 | umount /boot |
| 76 | } |
| 77 | |
| 78 | platform_do_upgrade() { |
| 79 | local tar_file="$1" |
| 80 | local board=$(board_name) |
| 81 | local rootfs="$(platform_get_rootfs)" |
| 82 | local kernel= |
| 83 | |
| 84 | [ -b "${rootfs}" ] || return 1 |
| 85 | case "$board" in |
| 86 | er | \ |
| 87 | ubnt,edgerouter-4) |
| 88 | kernel=mmcblk0p1 |
| 89 | ;; |
| 90 | erlite) |
| 91 | kernel=sda1 |
| 92 | ;; |
| 93 | itus,shield-router) |
| 94 | kernel=ItusrouterImage |
| 95 | ;; |
| 96 | *) |
| 97 | return 1 |
| 98 | esac |
| 99 | |
| 100 | platform_do_flash $tar_file $board $kernel $rootfs |
| 101 | |
| 102 | return 0 |
| 103 | } |
| 104 | |
| 105 | platform_check_image() { |
| 106 | local board=$(board_name) |
| 107 | local tar_file="$1" |
| 108 | |
| 109 | local board_dir=$(tar tf "$tar_file" | grep -m 1 '^sysupgrade-.*/$') |
| 110 | board_dir=${board_dir%/} |
| 111 | [ -n "$board_dir" ] || return 1 |
| 112 | |
| 113 | case "$board" in |
| 114 | er | \ |
| 115 | erlite | \ |
| 116 | itus,shield-router | \ |
| 117 | ubnt,edgerouter-4) |
| 118 | local kernel_length=$(tar xf $tar_file $board_dir/kernel -O | wc -c 2> /dev/null) |
| 119 | local rootfs_length=$(tar xf $tar_file $board_dir/root -O | wc -c 2> /dev/null) |
| 120 | [ "$kernel_length" = 0 -o "$rootfs_length" = 0 ] && { |
| 121 | echo "The upgrade image is corrupt." |
| 122 | return 1 |
| 123 | } |
| 124 | return 0 |
| 125 | ;; |
| 126 | esac |
| 127 | |
| 128 | echo "Sysupgrade is not yet supported on $board." |
| 129 | return 1 |
| 130 | } |