diff options
Diffstat (limited to 'meta/recipes-core/initrdscripts/initramfs-framework/rootfs')
| -rw-r--r-- | meta/recipes-core/initrdscripts/initramfs-framework/rootfs | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/meta/recipes-core/initrdscripts/initramfs-framework/rootfs b/meta/recipes-core/initrdscripts/initramfs-framework/rootfs new file mode 100644 index 0000000000..5790d8cb8b --- /dev/null +++ b/meta/recipes-core/initrdscripts/initramfs-framework/rootfs @@ -0,0 +1,57 @@ +#!/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 [ ! -d $ROOTFS_DIR/dev ]; 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" + 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 [ -d $ROOTFS_DIR/dev ]; 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 +} |