@ -1,92 +1,113 @@
platform_do_upgrade( ) {
local board = $( board_name)
case " $board " in
bananapi,bpi-r2)
local diskdev partdev diff
REQUIRE_IMAGE_METADATA = 1
export_bootdevice && export_partdevice diskdev 0 || {
echo "Unable to determine upgrade device"
return 1
}
# Full system upgrade including preloader for MediaTek SoCs on eMMC or SD
mtk_mmc_full_upgrade( ) {
local diskdev partdev diff oldrecovery
#Keep the persistent random mac address (if it exists)
mkdir -p /tmp/recovery
export_partdevice recoverydev 2
if mount -o rw,noatime " /dev/ $recoverydev " -tvfat /tmp/recovery; then
[ -f "/tmp/recovery/mac_addr" ] && cp /tmp/recovery/mac_addr /tmp/
umount /tmp/recovery
fi
sync
if grep -q root = /dev/mmcblk0p2 /proc/cmdline; then
oldrecovery = 1
else
oldrecovery = 2
fi
if [ " $SAVE_PARTITIONS " = "1" ] ; then
get_partitions " /dev/ $diskdev " bootdisk
export_bootdevice && export_partdevice diskdev 0 || {
echo "Unable to determine upgrade device"
return 1
}
#extract the boot sector from the image
get_image " $@ " | dd of = /tmp/image.bs count = 1 bs = 512b
#Keep the persistent random mac address (if it exists)
mkdir -p /tmp/recovery
export_partdevice recoverydev $oldrecovery
if mount -o rw,noatime " /dev/ $recoverydev " -tvfat /tmp/recovery; then
[ -f "/tmp/recovery/mac_addr" ] && cp /tmp/recovery/mac_addr /tmp/
umount /tmp/recovery
fi
sync
get_partitions /tmp/image.bs image
if [ " $SAVE_PARTITIONS " = "1" ] ; then
get_partitions " /dev/ $diskdev " bootdisk
#compare tables
diff = " $( grep -F -x -v -f /tmp/partmap.bootdisk /tmp/partmap.image) "
else
diff = 1
fi
#extract the boot sector from the image
get_image " $@ " | dd of = /tmp/image.bs count = 1 bs = 512b
if [ -n " $diff " ] ; then
get_image " $@ " | dd of = " /dev/ $diskdev " bs = 4096 conv = fsync
# Separate removal and addtion is necessary; otherwise, partition 1
# will be missing if it overlaps with the old partition 2
partx -d - " /dev/ $diskdev "
partx -a - " /dev/ $diskdev "
else
#iterate over each partition from the image and write it to the boot disk
while read part start size; do
part = " $(( $part - 2 )) "
if export_partdevice partdev $part ; then
echo " Writing image to /dev/ $partdev ... "
get_image " $@ " | dd of = " /dev/ $partdev " ibs = "512" obs = 1M skip = " $start " count = " $size " conv = fsync
else
echo " Unable to find partition $part device, skipped. "
fi
done < /tmp/partmap.image
#copy partition uuid
echo " Writing new UUID to /dev/ $diskdev ... "
get_image " $@ " | dd of = " /dev/ $diskdev " bs = 1 skip = 440 count = 4 seek = 440 conv = fsync
fi
get_partitions /tmp/image.bs image
if mount -o rw,noatime " /dev/ $recoverydev " -t vfat /tmp/recovery; then
[ -f "/tmp/mac_addr" ] && cp /tmp/mac_addr /tmp/recovery
#compare tables
diff = " $( grep -F -x -v -f /tmp/partmap.bootdisk /tmp/partmap.image) "
else
diff = 1
fi
if [ " $diskdev " = "mmcblk0" -a -r /tmp/recovery/eMMCboot.bin ] ; then
echo 0 > /sys/block/mmcblk0boot0/force_ro
dd if = /tmp/recovery/eMMCboot.bin of = /dev/mmcblk0boot0 conv = fsync
sync
echo 1 > /sys/block/mmcblk0boot0/force_ro
if [ -n " $diff " ] ; then
get_image " $@ " | dd of = " /dev/ $diskdev " bs = 4096 conv = fsync
# Separate removal and addition is necessary; otherwise, partition 1
# will be missing if it overlaps with the old partition 2
partx -d - " /dev/ $diskdev "
partx -a - " /dev/ $diskdev "
else
# iterate over each partition from the image and write it to the boot disk
while read part start size; do
part = " $(( $part - 2 )) "
if export_partdevice partdev $part ; then
echo " Writing image to /dev/ $partdev ... "
get_image " $@ " | dd of = " /dev/ $partdev " ibs = "512" obs = 1M skip = " $start " count = " $size " conv = fsync
else
echo " Unable to find partition $part device, skipped. "
fi
done < /tmp/partmap.image
#copy partition uuid
echo " Writing new UUID to /dev/ $diskdev ... "
get_image " $@ " | dd of = " /dev/ $diskdev " bs = 1 skip = 440 count = 4 seek = 440 conv = fsync
fi
export_partdevice recoverydev 2
if mount -o rw,noatime " /dev/ $recoverydev " -t vfat /tmp/recovery; then
[ -f "/tmp/mac_addr" ] && cp /tmp/mac_addr /tmp/recovery
if [ " $diskdev " = "mmcblk0" -a -r /tmp/recovery/eMMCboot.bin ] ; then
echo 0 > /sys/block/mmcblk0boot0/force_ro
dd if = /tmp/recovery/eMMCboot.bin of = /dev/mmcblk0boot0 conv = fsync
sync
umount /tmp/recovery
echo 1 > /sys/block/mmcblk0boot0/force_ro
fi
sync
umount /tmp/recovery
fi
}
platform_do_upgrade( ) {
local board = $( board_name)
case " $board " in
bananapi,bpi-r2)
mtk_mmc_full_upgrade " $1 "
; ;
unielec,u7623-02-emmc-512m)
#Keep the persisten random mac address (if it exists)
mkdir -p /tmp/recovery
mount -o rw,noatime /dev/mmcblk0p1 /tmp/recovery
[ -f "/tmp/recovery/mac_addr" ] && \
mv -f /tmp/recovery/mac_addr /tmp/
umount /tmp/recovery
local magic = " $( get_magic_long " $1 " ) "
if [ " $magic " = "53444d4d" ] ; then
mtk_mmc_full_upgrade " $1 "
else # Old partial image starting with uImage
# Keep the persistent random mac address (if it exists)
recoverydev = mmcblk0p1
mkdir -p /tmp/recovery
mount -o rw,noatime /dev/$recoverydev /tmp/recovery
[ -f "/tmp/recovery/mac_addr" ] && \
mv -f /tmp/recovery/mac_addr /tmp/
umount /tmp/recovery
#1310720 is the offset in bytes from the start of eMMC and to
#the location of the kernel (2560 512 byte sectors)
get_image " $1 " | dd of = /dev/mmcblk0 bs = 1310720 seek = 1 conv = fsync
# 1310720 is the offset in bytes from the start of eMMC and to
# the location of the kernel (2560 512 byte sectors)
get_image " $1 " | dd of = /dev/mmcblk0 bs = 1310720 seek = 1 conv = fsync
mount -o rw,noatime /dev/mmcblk0p1 /tmp/recovery
[ -f "/tmp/mac_addr" ] && mv -f /tmp/mac_addr /tmp/recovery
sync
umount /tmp/recovery
mount -o rw,noatime /dev/$recoverydev /tmp/recovery
[ -f "/tmp/mac_addr" ] && mv -f /tmp/mac_addr /tmp/recovery
sync
umount /tmp/recovery
fi
; ;
*)
default_do_upgrade " $1 "
@ -133,10 +154,21 @@ platform_check_image() {
fi
; ;
unielec,u7623-02-emmc-512m)
# Can always upgrade to the new-style full image
[ " $magic " = "53444d4d" ] && return 0
# Legacy uImage directly at 0xA00 on the eMMC.
[ " $magic " != "27051956" ] && {
echo "Invalid image type."
return 1
}
rootpart = $( cat /proc/cmdline)
rootpart = " ${ rootpart ##*root= } "
rootpart = " ${ rootpart %% * } "
[ " $rootpart " != "/dev/mmcblk0p2" ] && {
echo "Cannot downgrade to legacy image."
return 1
}
return 0
; ;
*)
@ -148,25 +180,18 @@ platform_check_image() {
return 0
}
platform_copy_config_emmc( ) {
local partdev
if export_bootdevice && export_partdevice partdev $1 ; then
mkdir -p /recovery
mount -o rw,noatime " /dev/ $partdev " -t vfat /recovery
cp -af " $UPGRADE_BACKUP " " /recovery/ $BACKUP_FILE "
sync
umount /recovery
fi
}
platform_copy_config( ) {
case " $( board_name) " in
bananapi,bpi-r2)
platform_copy_config_emmc 2
; ;
bananapi,bpi-r2| \
unielec,u7623-02-emmc-512m)
platform_copy_config_emmc 1
# platform_do_upgrade() will have set $recoverydev
if [ -n " $recoverydev " ] ; then
mkdir -p /tmp/recovery
mount -o rw,noatime " /dev/ $recoverydev " -t vfat /tmp/recovery
cp -af " $UPGRADE_BACKUP " " /tmp/recovery/ $BACKUP_FILE "
sync
umount /tmp/recovery
fi
; ;
esac
}