| #!/bin/bash |
| set -eo pipefail |
| |
| # Get the root mtd device number (mtdX) from "/dev/ubiblockX_Y on /" |
| function findrootmtd() { |
| rootmatch=" on / " |
| m="$(mount | grep "${rootmatch}" | grep "ubiblock")" |
| m="${m##*ubiblock}" |
| m="${m%_*}" |
| if [ -z "${m}" ]; then |
| # default to bmc mtd (0) |
| m=0 |
| fi |
| echo "mtd${m}" |
| } |
| |
| function findrootubi() { |
| rootmatch=" on / " |
| m="$(mount | grep "${rootmatch}")" |
| m="${m##*ubiblock}" |
| m="${m% on*}" |
| echo "ubi${m}" |
| } |
| |
| # Get the mtd device number (mtdX) |
| function findmtd() { |
| m="$(grep -xl "$1" /sys/class/mtd/*/name)" |
| m="${m%/name}" |
| m="${m##*/}" |
| echo "${m}" |
| } |
| |
| # Get the mtd device number only (return X of mtdX) |
| function findmtdnum() { |
| m="$(findmtd "$1")" |
| m="${m##mtd}" |
| echo "${m}" |
| } |
| |
| # Get the ubi device number (ubiX_Y) |
| function findubi() { |
| u="$(grep -xl "$1" /sys/class/ubi/ubi?/subsystem/ubi*/name)" |
| u="${u%/name}" |
| u="${u##*/}" |
| echo "${u}" |
| } |
| |
| # Get the ubi device number (ubiX_Y) on a specific mtd |
| function findubi_onmtd() { |
| u="$(grep -xl "$1" /sys/class/ubi/ubi"$2"/subsystem/ubi"$2"*/name)" |
| u="${u%/name}" |
| u="${u##*/}" |
| echo "${u}" |
| } |
| |
| # Get all ubi device names on a specific mtd that match requested string |
| function findubiname_onmtd() { |
| u="$(grep -h "$1" /sys/class/ubi/ubi"$2"/subsystem/ubi"$2"*/name)" |
| u="${u%/name}" |
| u="${u##*/}" |
| echo "${u}" |
| } |
| |
| # Get the name from the requested ubiX_Y volume |
| function findname() { |
| n="$(cat /sys/class/ubi/"$1"/name)" |
| echo "${n}" |
| } |
| |
| # Set the version path property to the flash location where the image was |
| # successfully flashed |
| function set_flashid() { |
| busctl set-property xyz.openbmc_project.Software.Manager \ |
| "/xyz/openbmc_project/software/${version}" \ |
| xyz.openbmc_project.Common.FilePath \ |
| Path s "$1" || |
| busctl set-property xyz.openbmc_project.Software.BMC.Updater \ |
| "/xyz/openbmc_project/software/${version}" \ |
| xyz.openbmc_project.Common.FilePath \ |
| Path s "$1" |
| } |
| |
| # Set the u-boot envs that perform a side switch on failure to boot |
| function set_wdt2bite() { |
| if ! fw_printenv wdt2bite 2>/dev/null; then |
| fw_setenv wdt2bite "mw.l 0x1e785024 0xa 1; mw.b 0x1e78502c 0xb3 1" |
| fw_setenv bootalt "run wdt2bite" |
| fw_setenv obmc_bootcmd "ubi part obmc-ubi; run do_rwreset; ubi read \ |
| \${loadaddr} \${kernelname}; bootm \${loadaddr} || run bootalt" |
| fi |
| } |
| |
| # Make space on flash before creating new volumes. This can be enhanced |
| # determine current flash usage. For now only keep a "keepmax" number of them |
| function ubi_remove_volumes() |
| { |
| rootubi="$(findrootubi)" |
| rootname="$(findname "${rootubi}")" |
| rootversion="${rootname##*-}" |
| rootkernel="kernel-${rootversion}" |
| |
| # Just keep max number of volumes before updating, don't delete the version |
| # the BMC is booted from, and when a version is identified to be deleted, |
| # delete both the rofs and kernel volumes for that version. |
| rmnames="$(findubiname_onmtd "${name%-*}-" "${ro}")" |
| mapfile -t array <<< "${rmnames}" |
| ubicount="${#array[@]}" |
| while [ "${ubicount}" -ge "${keepmax}" ]; do |
| # Loop through existing volumes and skip currently active ones |
| for (( index=0; index<${#array[@]}; index++ )); do |
| rmname="${array[${index}]}" |
| rmversion="${rmname##*-}" |
| [ "${rmversion}" == "${version}" ] && continue |
| rmubi="$(findubi_onmtd "rofs-${rmversion}" "${ro}")" |
| if [[ "${rmubi}" != "${rootubi}" ]] && \ |
| [[ "${rmname}" != "${rootkernel}" ]]; then |
| ubi_remove "rofs-${rmversion}" "${ro}" |
| ubi_remove "kernel-${rmversion}" "${ro}" |
| # Remove priority value |
| fw_setenv "${rmversion}" |
| break |
| fi |
| done |
| # Decrease count regardless to avoid an infinite loop |
| (( ubicount-- )) |
| done |
| } |
| |
| function ubi_rw() { |
| rwmtd="$(findmtd "${reqmtd}")" |
| rw="${rwmtd#mtd}" |
| ubidev="/dev/ubi${rw}" |
| |
| # Update rwfs_size, check imgsize was specified, otherwise it'd clear the var |
| if [ -n "$imgsize" ]; then |
| rwsize="$(fw_printenv -n rwfs_size 2>/dev/null)" || true |
| if [[ "${imgsize}" != "${rwsize}" ]]; then |
| fw_setenv rwfs_size "${imgsize}" |
| fi |
| fi |
| |
| vol="$(findubi "${name}")" |
| if [ -z "${vol}" ]; then |
| ubimkvol "${ubidev}" -N "${name}" -s "${imgsize}" |
| fi |
| } |
| |
| function ubi_ro() { |
| keepmax=2 # Default 2 volumes per mtd |
| romtd="$(findmtd "${reqmtd}")" |
| romtd2="$(findmtd "${reqmtd2}")" |
| |
| if [ ! "${romtd}" == "${romtd2}" ]; then |
| # Request to use alternate mtd device, choose the non-root one |
| keepmax=1 # 1 volume on each of the requested mtds |
| rootmtd="$(findrootmtd)" |
| if [ "${rootmtd}" == "${romtd}" ]; then |
| romtd="${romtd2}" |
| fi |
| fi |
| ro="${romtd#mtd}" |
| ubidev="/dev/ubi${ro}" |
| |
| ubi_remove_volumes |
| |
| if [ -z "${imgfile}" ]; then |
| echo "Unable to create read-only volume. Image file not specified." |
| return 1 |
| fi |
| |
| # Create a ubi volume, dynamically sized to fit BMC image if size unspecified |
| img="/tmp/images/${version}/${imgfile}" |
| imgsize="$(stat -c '%s' "${img}")" |
| |
| vol="$(findubi "${name}")" |
| if [ -n "${vol}" ]; then |
| # Allow a duplicate kernel volume on the alt mtd |
| if [[ "${name}" =~ "kernel" ]]; then |
| vol="$(findubi_onmtd "${name}" "${ro}")" |
| fi |
| fi |
| if [ -z "${vol}" ]; then |
| ubimkvol "${ubidev}" -N "${name}" -s "${imgsize}" --type=static |
| vol="$(findubi "${name}")" |
| fi |
| |
| set_flashid "${version}" |
| } |
| |
| # Squashfs images need a ubi block |
| function ubi_block() { |
| vol="$(findubi "${name}")" |
| ubidevid="${vol#ubi}" |
| block="/dev/ubiblock${ubidevid}" |
| if [ ! -e "$block" ]; then |
| ubiblock --create "/dev/ubi${ubidevid}" |
| fi |
| } |
| |
| function ubi_updatevol() { |
| vol="$(findubi "${name}")" |
| ubidevid="${vol#ubi}" |
| img="/tmp/images/${version}/${imgfile}" |
| ubiupdatevol "/dev/ubi${ubidevid}" "${img}" |
| } |
| |
| function ubi_remove() { |
| rmname="$1" |
| rmmtd="$2" |
| if [ -n "${rmmtd}" ]; then |
| vol="$(findubi_onmtd "${rmname}" "${rmmtd}")" |
| else |
| vol="$(findubi "${rmname}")" |
| fi |
| |
| if [ -n "$vol" ]; then |
| vol="${vol%_*}" |
| |
| if grep -q "$rmname" /proc/mounts; then |
| mountdir=$(grep "$rmname" /proc/mounts | cut -d " " -f 2) |
| umount "$mountdir" |
| rm -r "$mountdir" |
| fi |
| |
| ubirmvol "/dev/${vol}" -N "$rmname" |
| fi |
| } |
| |
| function ubi_cleanup() { |
| # When ubi_cleanup is run, it expects one or no active version. |
| activeVersion=$(busctl --list --no-pager tree \ |
| xyz.openbmc_project.Software.Manager | \ |
| grep /xyz/openbmc_project/software/ | tail -c 9) |
| |
| if [[ -z "$activeVersion" ]]; then |
| activeVersion=$(busctl --list --no-pager tree \ |
| xyz.openbmc_project.Software.BMC.Updater | \ |
| grep /xyz/openbmc_project/software/ | tail -c 9) |
| fi |
| |
| if [[ -z "$activeVersion" ]]; then |
| vols=$(ubinfo -a | grep "rofs-" | cut -c 14-) |
| else |
| flashid=$(busctl get-property xyz.openbmc_project.Software.Manager \ |
| "/xyz/openbmc_project/software/${activeVersion}" \ |
| xyz.openbmc_project.Common.FilePath Path | awk '{print $NF;}' | tr -d '"') || |
| flashid=$(busctl get-property xyz.openbmc_project.Software.BMC.Updater \ |
| "/xyz/openbmc_project/software/${activeVersion}" \ |
| xyz.openbmc_project.Common.FilePath Path | awk '{print $NF;}' | tr -d '"') |
| vols=$(ubinfo -a | grep "rofs-" | \ |
| grep -v "$flashid" | cut -c 14-) || true |
| fi |
| |
| mapfile -t array <<< "${vols}" |
| for (( index=0; index<${#array[@]}; index++ )); do |
| ubi_remove "${array[index]}" |
| done |
| } |
| |
| function mount_ubi_alt_rwfs() { |
| altNum="$(findmtdnum "alt-bmc")" |
| if [ -n "${altNum}" ]; then |
| altRwfs=$(ubinfo -a -d "${altNum}" | grep -w "rwfs") || true |
| if [ -n "${altRwfs}" ]; then |
| altVarMount="/media/alt/var" |
| mkdir -p "${altVarMount}" |
| if mount ubi"${altNum}":rwfs "${altVarMount}" -t ubifs -o defaults; then |
| mkdir -p "${altVarMount}"/persist/etc |
| fi |
| fi |
| fi |
| } |
| |
| function remount_ubi() { |
| bmcmtd="$(findmtd "bmc")" |
| altbmcmtd="$(findmtd "alt-bmc")" |
| mtds="${bmcmtd: -1}","${altbmcmtd: -1}" |
| |
| rootubi="$(findrootubi)" |
| rootname="$(findname "${rootubi}")" |
| |
| IFS=',' read -r -a arrayMtds <<< "$mtds" |
| for mtd in "${arrayMtds[@]}"; do |
| # Get information on all ubi volumes |
| ubinfo=$(ubinfo -d "${mtd}") |
| presentVolumes=${ubinfo##*:} |
| IFS=', ' read -r -a array <<< "$presentVolumes" |
| for element in "${array[@]}"; do |
| elementProperties=$(ubinfo -d "$mtd" -n "$element") |
| # Get ubi volume name by getting rid of additional properties |
| name=${elementProperties#*Name:} |
| name="${name%Character*}" |
| name="$(echo -e "${name}" | tr -d '[:space:]')" |
| |
| if [[ ${name} == rofs-* ]]; then |
| if [[ "${name}" == "${rootname}" ]]; then |
| mountdir="/media/${name}-functional" |
| else |
| mountdir="/media/${name}" |
| fi |
| |
| if [ ! -d "${mountdir}" ]; then |
| mkdir -p "${mountdir}" |
| # U-Boot will create the ubiblock for the running version, but not |
| # for the version on the other chip |
| if [ ! -e "/dev/ubiblock${mtd}_${element}" ]; then |
| ubiblock --create "/dev/ubi${mtd}_${element}" |
| fi |
| mount -t squashfs -o ro "/dev/ubiblock${mtd}_${element}" "${mountdir}" |
| fi |
| fi |
| done |
| done |
| |
| set_wdt2bite |
| } |
| |
| function mount_static_alt() { |
| typ=$1 |
| altFs=$2 |
| mountName=$3 |
| altNum="$(findmtdnum "${altFs}")" |
| if [ -n "${altNum}" ]; then |
| altFsMount="/run/media/${mountName}" |
| mkdir -p "${altFsMount}" |
| altFsBlock="/dev/mtdblock${altNum}" |
| mount -t "${typ}" "${altFsBlock}" "${altFsMount}" |
| fi |
| } |
| |
| function umount_static_alt() { |
| altFs=$1 |
| altFsMount="/run/media/${altFs}" |
| umount "${altFsMount}" |
| } |
| |
| # Read the current env variable and set it on the alternate boot env |
| function copy_env_var_to_alt() { |
| varName=$1 |
| value="$(fw_printenv -n "${varName}")" |
| fw_setenv -c /etc/alt_fw_env.config "${varName}" "${value}" |
| } |
| |
| # When the alternate bmc chip boots, u-boot thinks its the primary mtdX. |
| # Therefore need to swap the chip numbers when copying the ubiblock and root to |
| # alternate bmc u-boot environment. |
| function copy_ubiblock_to_alt() { |
| value="$(fw_printenv -n ubiblock)" |
| bmcNum="$(findmtdnum "bmc")" |
| altNum="$(findmtdnum "alt-bmc")" |
| replaceAlt="${value/${altNum},/${bmcNum},}" |
| |
| if [[ "${value}" == "${replaceAlt}" ]]; then |
| replaceBmc="${value/${bmcNum},/${altNum},}" |
| value=${replaceBmc} |
| else |
| value=${replaceAlt} |
| fi |
| |
| fw_setenv -c /etc/alt_fw_env.config ubiblock "${value}" |
| } |
| |
| function copy_root_to_alt() { |
| value="$(fw_printenv -n root)" |
| bmcNum="$(findmtdnum "bmc")" |
| altNum="$(findmtdnum "alt-bmc")" |
| replaceAlt="${value/${altNum}_/${bmcNum}_}" |
| |
| if [[ "${value}" == "${replaceAlt}" ]]; then |
| replaceBmc="${value/${bmcNum}_/${altNum}_}" |
| value=${replaceBmc} |
| else |
| value=${replaceAlt} |
| fi |
| |
| fw_setenv -c /etc/alt_fw_env.config root "${value}" |
| } |
| |
| function ubi_setenv() { |
| # The U-Boot environment maintains two banks of environment variables. |
| # The banks need to be consistent with each other to ensure that these |
| # variables can reliably be read from file. In order to guarantee that the |
| # banks are both correct, we need to run fw_setenv twice. |
| variable=$1 |
| if [[ "$variable" == *"="* ]]; then |
| varName="${variable%=*}" |
| value="${variable##*=}" |
| # Write only if var is not set already to the requested value |
| currentValue="$(fw_printenv -n "${varName}" 2>/dev/null)" || true |
| if [[ "${currentValue}" != "${value}" ]]; then |
| fw_setenv "$varName" "$value" |
| fw_setenv "$varName" "$value" |
| fi |
| else |
| fw_setenv "$variable" |
| fw_setenv "$variable" |
| fi |
| } |
| |
| function mtd_write() { |
| flashmtd="$(findmtd "${reqmtd}")" |
| img="/tmp/images/${version}/${imgfile}" |
| flashcp -v "${img}" /dev/"${flashmtd}" |
| } |
| |
| function backup_env_vars() { |
| copy_env_var_to_alt kernelname |
| copy_ubiblock_to_alt |
| copy_root_to_alt |
| } |
| |
| function update_env_vars() { |
| vol="$(findubi rofs-"${flashid}")" |
| if [ -z "${vol}" ]; then |
| return 1 |
| fi |
| ubidevid="${vol#ubi}" |
| block="/dev/ubiblock${ubidevid}" |
| if [ ! -e "${block}" ]; then |
| return 1 |
| fi |
| ubi_setenv "kernelname=kernel-${flashid}" |
| ubi_setenv "ubiblock=${ubidevid//_/,}" |
| ubi_setenv "root=${block}" |
| } |
| |
| #TODO: Replace the implementation with systemd-inhibitors lock |
| # once systemd/systemd#949 is resolved |
| function rebootguardenable() { |
| dir="/run/systemd/system/" |
| file="reboot-guard.conf" |
| units=("reboot" "poweroff" "halt") |
| |
| for unit in "${units[@]}"; do |
| mkdir -p ${dir}"${unit}".target.d |
| echo -e "[Unit]\nRefuseManualStart=yes" >> ${dir}"${unit}".target.d/${file} |
| done |
| } |
| |
| #TODO: Replace the implementation with systemd-inhibitors lock |
| # once systemd/systemd#949 is resolved |
| function rebootguarddisable() { |
| dir="/run/systemd/system/" |
| file="reboot-guard.conf" |
| units=("reboot" "poweroff" "halt") |
| |
| for unit in "${units[@]}"; do |
| rm -rf ${dir}"${unit}".target.d/${file} |
| done |
| } |
| |
| # Create a copy in the alt mtd |
| function create_vol_in_alt() { |
| alt="alt-bmc" |
| altmtd="$(findmtd "${alt}")" |
| if [ -n "${altmtd}" ]; then |
| reqmtd="${alt}" |
| reqmtd2="${alt}" |
| ubi_ro |
| ubi_updatevol |
| fi |
| } |
| |
| # Copy contents of one MTD device to another |
| function mtd_copy() { |
| in=$1 |
| out=$2 |
| |
| # Must erase MTD first to prevent corruption |
| flash_eraseall "${out}" |
| dd if="${in}" of="${out}" |
| } |
| |
| function mirroruboot() { |
| bmc="$(findmtd "u-boot")" |
| bmcdev="/dev/${bmc}" |
| alt="$(findmtd "alt-u-boot")" |
| altdev="/dev/${alt}" |
| |
| checksum_bmc="$(md5sum "${bmcdev}")" |
| checksum_bmc="${checksum_bmc% *}" |
| checksum_alt="$(md5sum "${altdev}")" |
| checksum_alt="${checksum_alt% *}" |
| |
| if [[ "${checksum_bmc}" != "${checksum_alt}" ]]; then |
| bmcenv="$(findmtd "u-boot-env")" |
| bmcenvdev="/dev/${bmcenv}" |
| altenv="$(findmtd "alt-u-boot-env")" |
| altenvdev="/dev/${altenv}" |
| |
| echo "Mirroring U-boot to alt chip" |
| mtd_copy "${bmcdev}" "${altdev}" |
| mtd_copy "${bmcenvdev}" "${altenvdev}" |
| |
| copy_ubiblock_to_alt |
| copy_root_to_alt |
| fi |
| } |
| |
| # Compare the device where u-boot resides with an image file. Specify the full |
| # path to the device and image file to use for the compare. Print a value of |
| # "0" if identical, "1" otherwise. |
| function cmp_uboot() { |
| device="$1" |
| image="$2" |
| |
| # Since the image file can be smaller than the device, copy the device to a |
| # tmp file and write the image file on top, then compare the sum of each. |
| # Use cat / redirection since busybox does not have the conv=notrunc option. |
| tmpFile="$(mktemp /tmp/ubootdev.XXXXXX)" |
| dd if="${device}" of="${tmpFile}" |
| devSum="$(sha256sum "${tmpFile}")" |
| cat < "${image}" 1<> "${tmpFile}" |
| imgSum="$(sha256sum "${tmpFile}")" |
| rm -f "${tmpFile}" |
| |
| if [ "${imgSum}" == "${devSum}" ]; then |
| echo "0"; |
| else |
| echo "1"; |
| fi |
| } |
| |
| # The eMMC partition labels for the kernel and rootfs are boot-a/b and rofs-a/b. |
| # Return the label (a or b) for the running partition. |
| function mmc_get_primary_label() { |
| # Get root device /dev/mmcblkpX |
| rootmatch=" on / " |
| root="$(mount | grep "${rootmatch}")" |
| # shellcheck disable=SC2295 |
| root="${root%${rootmatch}*}" |
| |
| # Find the device label |
| if [[ $(readlink -f /dev/disk/by-partlabel/rofs-a) == "${root}" ]]; then |
| echo "a" |
| elif [[ $(readlink -f /dev/disk/by-partlabel/rofs-b) == "${root}" ]]; then |
| echo "b" |
| else |
| echo "" |
| fi |
| } |
| |
| # The eMMC partition labels for the kernel and rootfs are boot-a/b and rofs-a/b. |
| # Return the label (a or b) for the non-running partition. |
| function mmc_get_secondary_label() { |
| root="$(mmc_get_primary_label)" |
| if [[ "${root}" == "a" ]]; then |
| echo "b" |
| elif [[ "${root}" == "b" ]]; then |
| echo "a" |
| else |
| echo "" |
| fi |
| } |
| |
| function mmc_mount() { |
| primaryId="$(mmc_get_primary_label)" |
| secondaryId="$(mmc_get_secondary_label)" |
| |
| primaryDir="${mediaDir}/rofs-${primaryId}-functional" |
| secondaryDir="${mediaDir}/rofs-${secondaryId}" |
| |
| # Check the alternate version, remove it if it's corrupted. This can occur |
| # when the BMC is rebooted in the middle of a code update for example. |
| if ! fsck.ext4 -p "/dev/disk/by-partlabel/rofs-${secondaryId}"; then |
| flashid="${secondaryId}" |
| mmc_remove |
| fi |
| |
| mkdir -p "${primaryDir}" |
| mkdir -p "${secondaryDir}" |
| |
| mount PARTLABEL=rofs-"${primaryId}" "${primaryDir}" -t ext4 -o ro || rmdir "${primaryDir}" |
| mount PARTLABEL=rofs-"${secondaryId}" "${secondaryDir}" -t ext4 -o ro || rmdir "${secondaryDir}" |
| } |
| |
| function mmc_update() { |
| # Update u-boot if needed |
| bootPartition="mmcblk0boot0" |
| devUBoot="/dev/${bootPartition}" |
| imgUBoot="${imgpath}/${version}/image-u-boot" |
| if [ "$(cmp_uboot "${devUBoot}" "${imgUBoot}")" != "0" ]; then |
| echo 0 > "/sys/block/${bootPartition}/force_ro" |
| dd if="${imgUBoot}" of="${devUBoot}" |
| echo 1 > "/sys/block/${bootPartition}/force_ro" |
| fi |
| |
| # Update the secondary (non-running) boot and rofs partitions. |
| label="$(mmc_get_secondary_label)" |
| |
| # Update the boot and rootfs partitions, restore their labels after the update |
| # by getting the partition number mmcblk0pX from their label. |
| zstd -d -c "${imgpath}"/"${version}"/image-kernel | dd of="/dev/disk/by-partlabel/boot-${label}" |
| number="$(readlink -f /dev/disk/by-partlabel/boot-"${label}")" |
| number="${number##*mmcblk0p}" |
| sgdisk --change-name="${number}":boot-"${label}" /dev/mmcblk0 1>/dev/null |
| |
| zstd -d -c "${imgpath}"/"${version}"/image-rofs | dd of="/dev/disk/by-partlabel/rofs-${label}" |
| number="$(readlink -f /dev/disk/by-partlabel/rofs-"${label}")" |
| number="${number##*mmcblk0p}" |
| sgdisk --change-name="${number}":rofs-"${label}" /dev/mmcblk0 1>/dev/null |
| |
| # Run this after sgdisk for labels to take effect. |
| partprobe |
| |
| # Update hostfw. The remove function doesn't touch the hostfw image, so |
| # need to unmount and delete it prior to updating it. |
| if [ -f "${imgpath}"/"${version}"/image-hostfw ]; then |
| # Remove patches |
| hostfw_alt="hostfw/alternate" |
| patchdir="/usr/local/share/${hostfw_alt}" |
| if [ -d "${patchdir}" ]; then |
| rm -rf "${patchdir:?}"/* |
| fi |
| if grep -q "${hostfw_alt}" /proc/mounts; then |
| hostfw_alt=$(grep "${hostfw_alt}" /proc/mounts | cut -d " " -f 2) |
| umount "${hostfw_alt}" |
| fi |
| hostfwdir=$(grep "hostfw " /proc/mounts | cut -d " " -f 2) |
| rm -f "${hostfwdir}/hostfw-${flashid}" |
| cp "${imgpath}"/"${version}"/image-hostfw "${hostfwdir}"/hostfw-"${label}" |
| mkdir -p "${hostfwdir}"/alternate |
| mount "${hostfwdir}"/hostfw-"${label}" "${hostfwdir}"/alternate -o ro |
| fi |
| |
| set_flashid "${label}" |
| } |
| |
| function mmc_remove() { |
| # Render the filesystem unbootable by wiping out the first 1MB, this |
| # invalidates the filesystem header. |
| # Check if the requested id is the one the BMC is running from since dd |
| # can still write and corrupt the running partition. |
| primaryid="$(mmc_get_primary_label)" |
| if [[ "${flashid}" == "${primaryid}" ]]; then |
| return 1 |
| fi |
| dd if=/dev/zero of=/dev/disk/by-partlabel/boot-"${flashid}" count=2048 |
| dd if=/dev/zero of=/dev/disk/by-partlabel/rofs-"${flashid}" count=2048 |
| } |
| |
| # Set the requested version as primary for the BMC to boot from upon reboot. |
| function mmc_setprimary() { |
| # Point root to the flashid of the requested BMC rootfs. |
| fw_setenv bootside "${flashid}" |
| } |
| |
| function mmc_mirroruboot() { |
| # Get current boot device; 0-primary_bootdev device; 1 - alt_bootdev |
| bootdev=$(cat /sys/kernel/debug/aspeed/sbc/abr_image) |
| if [[ "${bootdev}" == "0" ]]; then |
| bootPartition="mmcblk0boot0" |
| alt_bootPartition="mmcblk0boot1" |
| else |
| bootPartition="mmcblk0boot1" |
| alt_bootPartition="mmcblk0boot0" |
| fi |
| |
| devUBoot="/dev/${bootPartition}" |
| alt_devUBoot="/dev/${alt_bootPartition}" |
| |
| checksum_UBoot="$(md5sum "${devUBoot}")" |
| checksum_UBoot="${checksum_UBoot% *}" |
| checksum_alt_UBoot="$(md5sum "${alt_devUBoot}")" |
| checksum_alt_UBoot="${checksum_alt% *}" |
| |
| if [[ "${checksum_UBoot}" != "${checksum_alt_UBoot}" ]]; then |
| echo "Mirroring U-boot to alt chip" |
| echo 0 > "/sys/block/${alt_bootPartition}/force_ro" |
| dd if="${devUBoot}" of="${alt_devUBoot}" |
| echo 1 > "/sys/block/${alt_bootPartition}/force_ro" |
| fi |
| } |
| |
| case "$1" in |
| mtduboot) |
| reqmtd="$2" |
| version="$3" |
| imgfile="image-u-boot" |
| mtd_write |
| ;; |
| ubirw) |
| reqmtd="$2" |
| name="$3" |
| imgsize="$4" |
| ubi_rw |
| ;; |
| ubiro) |
| reqmtd="$(echo "$2" | cut -d "+" -f 1)" |
| reqmtd2="$(echo "$2" | cut -d "+" -f 2)" |
| name="$3" |
| version="$4" |
| imgfile="image-rofs" |
| ubi_ro |
| ubi_updatevol |
| ubi_block |
| ;; |
| ubikernel) |
| reqmtd="$(echo "$2" | cut -d "+" -f 1)" |
| reqmtd2="$(echo "$2" | cut -d "+" -f 2)" |
| name="$3" |
| version="$4" |
| imgfile="image-kernel" |
| ubi_ro |
| ubi_updatevol |
| create_vol_in_alt |
| ;; |
| ubiremove) |
| name="$2" |
| ubi_remove "${name}" |
| ;; |
| ubicleanup) |
| ubi_cleanup |
| ;; |
| ubisetenv) |
| ubi_setenv "$2" |
| ;; |
| ubiremount) |
| remount_ubi |
| mount_ubi_alt_rwfs |
| ;; |
| createenvbackup) |
| backup_env_vars |
| ;; |
| updateubootvars) |
| flashid="$2" |
| update_env_vars |
| ;; |
| rebootguardenable) |
| rebootguardenable |
| ;; |
| rebootguarddisable) |
| rebootguarddisable |
| ;; |
| mirroruboot) |
| mirroruboot |
| ;; |
| mmc) |
| version="$2" |
| imgpath="$3" |
| mmc_update |
| ;; |
| mmc-mount) |
| mediaDir="$2" |
| mmc_mount |
| ;; |
| mmc-remove) |
| flashid="$2" |
| mmc_remove |
| ;; |
| mmc-setprimary) |
| flashid="$2" |
| mmc_setprimary |
| ;; |
| mmc-mirroruboot) |
| mmc_mirroruboot |
| ;; |
| static-altfs) |
| mount_static_alt "$2" "$3" "$4" |
| ;; |
| umount-static-altfs) |
| umount_static_alt "$2" |
| ;; |
| *) |
| echo "Invalid argument" |
| exit 1 |
| ;; |
| esac |