| #!/bin/sh |
| # Copyright (C) 2011 O.S. Systems Software LTDA. |
| # Licensed on MIT |
| |
| rootfs_enabled() { |
| return 0 |
| } |
| |
| rootfs_run() { |
| if [ -z "$ROOTFS_DIR" ]; then |
| return |
| fi |
| C=0 |
| delay=${bootparam_rootdelay:-1} |
| timeout=${bootparam_roottimeout:-5} |
| while ! mountpoint -q $ROOTFS_DIR; do |
| if [ $(( $C * $delay )) -gt $timeout ]; then |
| fatal "root '$bootparam_root' doesn't exist or does not contain a /dev." |
| fi |
| |
| if [ -n "$bootparam_root" ]; then |
| debug "No e2fs compatible filesystem has been mounted, mounting $bootparam_root..." |
| |
| if [ "`echo ${bootparam_root} | cut -c1-5`" = "UUID=" ]; then |
| root_uuid=`echo $bootparam_root | cut -c6-` |
| bootparam_root="/dev/disk/by-uuid/$root_uuid" |
| elif [ "`echo ${bootparam_root} | cut -c1-9`" = "PARTUUID=" ]; then |
| root_partuuid=`echo $bootparam_root | cut -c10-` |
| bootparam_root="/dev/disk/by-partuuid/$root_partuuid" |
| elif [ "`echo ${bootparam_root} | cut -c1-10`" = "PARTLABEL=" ]; then |
| root_partlabel=`echo $bootparam_root | cut -c11-` |
| bootparam_root="/dev/disk/by-partlabel/$root_partlabel" |
| elif [ "`echo ${bootparam_root} | cut -c1-6`" = "LABEL=" ]; then |
| root_label=`echo $bootparam_root | cut -c7-` |
| bootparam_root="/dev/disk/by-label/$root_label" |
| fi |
| |
| if [ -e "$bootparam_root" ]; then |
| flags="" |
| if [ -n "$bootparam_ro" ] && ! echo "$bootparam_rootflags" | grep -w -q "ro"; then |
| if [ -n "$bootparam_rootflags" ]; then |
| bootparam_rootflags="$bootparam_rootflags," |
| fi |
| bootparam_rootflags="${bootparam_rootflags}ro" |
| fi |
| if [ -n "$bootparam_rootflags" ]; then |
| flags="$flags -o$bootparam_rootflags" |
| fi |
| if [ -n "$bootparam_rootfstype" ]; then |
| flags="$flags -t$bootparam_rootfstype" |
| fi |
| mount $flags $bootparam_root $ROOTFS_DIR |
| if mountpoint -q $ROOTFS_DIR; then |
| break |
| else |
| # It is unlikely to change, but keep trying anyway. |
| # Perhaps we pick a different device next time. |
| umount $ROOTFS_DIR |
| fi |
| fi |
| fi |
| debug "Sleeping for $delay second(s) to wait root to settle..." |
| sleep $delay |
| C=$(( $C + 1 )) |
| done |
| } |