diff options
Diffstat (limited to 'target/linux/ipq806x/base-files/lib/upgrade/openmesh.sh')
| -rw-r--r-- | target/linux/ipq806x/base-files/lib/upgrade/openmesh.sh | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/target/linux/ipq806x/base-files/lib/upgrade/openmesh.sh b/target/linux/ipq806x/base-files/lib/upgrade/openmesh.sh deleted file mode 100644 index a2c79d9e44..0000000000 --- a/target/linux/ipq806x/base-files/lib/upgrade/openmesh.sh +++ /dev/null @@ -1,110 +0,0 @@ -# The U-Boot loader of the OpenMesh devices requires image sizes and -# checksums to be provided in the U-Boot environment. -# The OpenMesh devices come with 2 main partitions - while one is active -# sysupgrade will flash the other. The boot order is changed to boot the -# newly flashed partition. If the new partition can't be booted due to -# upgrade failures the previously used partition is loaded. - -platform_do_upgrade_openmesh() { - local tar_file="$1" - local restore_backup - local primary_kernel_mtd - - local setenv_script="/tmp/fw_env_upgrade" - - local kernel_mtd="$(find_mtd_index $PART_NAME)" - local kernel_offset="$(cat /sys/class/mtd/mtd${kernel_mtd}/offset)" - local total_size="$(cat /sys/class/mtd/mtd${kernel_mtd}/size)" - - # detect to which flash region the new image is written to. - # - # 1. check what is the mtd index for the first flash region on this - # device - # 2. check if the target partition ("inactive") has the mtd index of - # the first flash region - # - # - when it is: the new bootseq will be 1,2 and the first region is - # modified - # - when it isnt: bootseq will be 2,1 and the second region is - # modified - # - # The detection has to be done via the hardcoded mtd partition because - # the current boot might be done with the fallback region. Let us - # assume that the current bootseq is 1,2. The bootloader detected that - # the image in flash region 1 is corrupt and thus switches to flash - # region 2. The bootseq in the u-boot-env is now still the same and - # the sysupgrade code can now only rely on the actual mtd indexes and - # not the bootseq variable to detect the currently booted flash - # region/image. - # - # In the above example, an implementation which uses bootseq ("1,2") to - # detect the currently booted image would assume that region 1 is booted - # and then overwrite the variables for the wrong flash region (aka the - # one which isn't modified). This could result in a device which doesn't - # boot anymore to Linux until it was reflashed with ap51-flash. - local next_boot_part="1" - case "$(board_name)" in - openmesh,a42) - primary_kernel_mtd=8 - ;; - *) - echo "failed to detect primary kernel mtd partition for board" - return 1 - ;; - esac - [ "$kernel_mtd" = "$primary_kernel_mtd" ] || next_boot_part="2" - - local board_dir=$(tar tf $tar_file | grep -m 1 '^sysupgrade-.*/$') - board_dir=${board_dir%/} - - local kernel_length=$(tar xf $tar_file ${board_dir}/kernel -O | wc -c) - local rootfs_length=$(tar xf $tar_file ${board_dir}/root -O | wc -c) - # rootfs without EOF marker - rootfs_length=$((rootfs_length-4)) - - local kernel_md5=$(tar xf $tar_file ${board_dir}/kernel -O | md5sum); kernel_md5="${kernel_md5%% *}" - # md5 checksum of rootfs with EOF marker - local rootfs_md5=$(tar xf $tar_file ${board_dir}/root -O | dd bs=1 count=$rootfs_length | md5sum); rootfs_md5="${rootfs_md5%% *}" - - # - # add tar support to get_image() to use default_do_upgrade() instead? - # - - # take care of restoring a saved config - [ "$SAVE_CONFIG" -eq 1 ] && restore_backup="${MTD_CONFIG_ARGS} -j ${CONF_TAR}" - - # write concatinated kernel + rootfs to flash - tar xf $tar_file ${board_dir}/kernel ${board_dir}/root -O | \ - mtd $restore_backup write - $PART_NAME - - # prepare new u-boot env - if [ "$next_boot_part" = "1" ]; then - echo "bootseq 1,2" > $setenv_script - else - echo "bootseq 2,1" > $setenv_script - fi - - printf "kernel_size_%i 0x%08x\n" $next_boot_part $kernel_length >> $setenv_script - printf "vmlinux_start_addr 0x%08x\n" ${kernel_offset} >> $setenv_script - printf "vmlinux_size 0x%08x\n" ${kernel_length} >> $setenv_script - printf "vmlinux_checksum %s\n" ${kernel_md5} >> $setenv_script - - printf "rootfs_size_%i 0x%08x\n" $next_boot_part $((total_size-kernel_length)) >> $setenv_script - printf "rootfs_start_addr 0x%08x\n" $((kernel_offset+kernel_length)) >> $setenv_script - printf "rootfs_size 0x%08x\n" ${rootfs_length} >> $setenv_script - printf "rootfs_checksum %s\n" ${rootfs_md5} >> $setenv_script - - # store u-boot env changes - fw_setenv -s $setenv_script || { - echo "failed to update U-Boot environment" - return 1 - } -} - -# create /var/lock for the lock "fw_setenv.lock" of fw_setenv -# the rest is copied using ipq806x's RAMFS_COPY_BIN and RAMFS_COPY_DATA -platform_add_ramfs_ubootenv() -{ - mkdir -p $RAM_ROOT/var/lock -} -append sysupgrade_pre_upgrade platform_add_ramfs_ubootenv |