flasher stuff

[pandora-misc.git] / flasher / rootfs / etc / updater.sh

diff --git a/flasher/rootfs/etc/updater.sh b/flasher/rootfs/etc/updater.sh
new file mode 100755 (executable)
index 0000000..67dcc42
--- /dev/null
+++ b/flasher/rootfs/etc/updater.sh
@@ -0,0 +1,170 @@
+#/bin/sh
+#
+# on-target updater script for Pandora
+# Copyright (c) 2010, Gražvydas Ignotas
+
+set -e
+
+. /etc/updater_funcs.sh
+
+status_uboot="missing"
+status_uboot_env="already empty"
+status_uimage="missing"
+status_rootfs="missing"
+
+mkdir /mnt/ubifs 2> /dev/null || true
+
+if [ ! -e /dev/mmcblk0p1 ]
+then
+       # hmh what's up with the SD card?
+       log "Can't access SD card, please reinsert and press enter"
+       read a < /dev/tty3
+       test -e /dev/mmcblk0p1
+fi
+
+mdevs="/dev/mmcblk0p1 /dev/mmcblk0p2"
+
+cd /tmp
+
+for md in $mdevs
+do
+       mpoint="/mnt/`basename $md`"
+       keep_mpoint="no"
+       mkdir $mpoint 2> /dev/null || true
+       if ! mount $md $mpoint
+       then
+               continue;
+       fi
+
+       if [ -e $mpoint/sysf.tgz ]
+       then
+               tar xzvf $mpoint/sysf.tgz
+       fi
+
+       if [ -x $mpoint/finalize.sh ]
+       then
+               finalize_mpoint=$mpoint
+               keep_mpoint="yes"
+       fi
+
+       if [ -e $mpoint/rootfs.img -a -e $mpoint/rootfs.md5 -a -z "$rootfs_file" ]
+       then
+               rootfs_file=$mpoint/rootfs.img
+               rootfs_md5=`head -n 1 $mpoint/rootfs.md5 | cut -c 1-32`
+               rootfs_mpoint=$mpoint
+               keep_mpoint="yes"
+       fi
+
+       if [ "$keep_mpoint" != "yes" ]
+       then
+               umount $mpoint
+       fi
+done
+
+if [ -e u-boot.bin ]
+then
+       size=`stat -c %s u-boot.bin`
+       dd if=/dev/mtdblock1 of=u-boot.bin.flashed bs=$size count=1
+       if ! cmp u-boot.bin u-boot.bin.flashed
+       then
+               flash_eraseall /dev/mtd1
+               nandwrite -p /dev/mtd1 u-boot.bin
+               log "u-boot.bin flashed."
+               status_uboot="flashed"
+       else
+               log "u-boot.bin already flashed, skipped."
+               status_uboot="already there"
+       fi
+else
+       log "u-boot is missing, skipped."
+fi
+
+if ! cmp /dev/mtdblock2 /usr/local/erasednandblk
+then
+       flash_eraseall /dev/mtd2
+       status_uboot_env="cleared"
+       log "u-boot environment cleared."
+fi
+
+if [ -e uImage ]
+then
+       # attempt to mount and check
+       ubiattach /dev/ubi_ctrl -m 3 || true
+       mount -t ubifs ubi0:boot /mnt/ubifs  2> /dev/null || true
+       if ! cmp uImage /mnt/ubifs/uImage  2> /dev/null
+       then
+               log "flashing uImage.."
+               umount /mnt/ubifs  2> /dev/null || true
+               ubidetach /dev/ubi_ctrl -d 0  2> /dev/null || true
+               # format just in case, should be harmless even it's formated already
+               ubiformat /dev/mtd3 -s 512 -y
+               ubiattach /dev/ubi_ctrl -m 3
+               ubimkvol /dev/ubi0 -m -N boot
+               mount -t ubifs ubi0:boot /mnt/ubifs
+               cp uImage /mnt/ubifs/uImage
+               status_uimage="flashed"
+               log "done"
+       else
+               log "uImage already flashed, skipped."
+               status_uimage="already there"
+       fi
+       umount /mnt/ubifs
+       ubidetach /dev/ubi_ctrl -d 0
+else
+       log "uImage is missing, skipped."
+fi
+
+if [ -n "$rootfs_file" ]
+then
+       log "Calculating checksum, this might take a few minutes.."
+       real_md5=`md5sum $rootfs_file | cut -c 1-32`
+       if [ "$real_md5" = "$rootfs_md5" ]
+       then
+               log $real_md5
+       else
+               log "INCORRECT"
+               false
+       fi
+
+       # be destructive here, too hard to validate rootfs to bother
+       log "formatting.."
+       ubiformat /dev/mtd4 -s 512 -y
+       ubiattach /dev/ubi_ctrl -m 4
+       ubimkvol /dev/ubi0 -m -N rootfs
+       log "done."
+       log "Writing rootfs, please wait. This may take up to 15 minutes.."
+       ubiupdatevol /dev/ubi0_0 $rootfs_file
+       ubidetach /dev/ubi_ctrl -d 0
+       status_rootfs="flashed"
+       log "done."
+else
+       log "root filesystem is missing, skipped."
+fi
+
+if [ -n "$finalize_mpoint" ]
+then
+       log "running finalize script.."
+       cd $finalize_mpoint
+       if ! ./finalize.sh
+       then
+               log "finalize.sh failed."
+               false
+       fi
+       log "done."
+       cd /tmp
+       umount $finalize_mpoint
+fi
+
+if [ -n "$rootfs_mpoint" ]
+then
+       umount $rootfs_mpoint 2> /dev/null || true
+fi
+
+log "======================="
+log "results:"
+log "u-boot:     $status_uboot"
+log "u-boot-env: $status_uboot_env"
+log "kernel:     $status_uimage"
+log "rootfs:     $status_rootfs $rootfs_file"
+
+exit 0