blob: 76fa84d3545f425a7f0188dd4eb81a47f0962b73 [file] [log] [blame]
Patrick Williamsc0f7c042017-02-23 20:41:17 -06001#!/bin/sh
2# Copyright (C) 2011 O.S. Systems Software LTDA.
3# Licensed on MIT
4
5rootfs_enabled() {
6 return 0
7}
8
9rootfs_run() {
10 if [ -z "$ROOTFS_DIR" ]; then
11 return
12 fi
13 C=0
14 delay=${bootparam_rootdelay:-1}
15 timeout=${bootparam_roottimeout:-5}
16 while [ ! -d $ROOTFS_DIR/dev ]; do
17 if [ $(( $C * $delay )) -gt $timeout ]; then
18 fatal "root '$bootparam_root' doesn't exist or does not contain a /dev."
19 fi
20
21 if [ -n "$bootparam_root" ]; then
22 debug "No e2fs compatible filesystem has been mounted, mounting $bootparam_root..."
23
24 if [ "`echo ${bootparam_root} | cut -c1-5`" = "UUID=" ]; then
25 root_uuid=`echo $bootparam_root | cut -c6-`
26 bootparam_root="/dev/disk/by-uuid/$root_uuid"
27 fi
28
29 if [ "`echo ${bootparam_root} | cut -c1-9`" = "PARTUUID=" ]; then
30 root_uuid=`echo $bootparam_root | cut -c10-`
31 bootparam_root="/dev/disk/by-partuuid/$root_uuid"
32 fi
33
Brad Bishop316dfdd2018-06-25 12:45:53 -040034 if [ "`echo ${bootparam_root} | cut -c1-6`" = "LABEL=" ]; then
35 root_label=`echo $bootparam_root | cut -c7-`
36 bootparam_root="/dev/disk/by-label/$root_label"
37 fi
38
Patrick Williamsc0f7c042017-02-23 20:41:17 -060039 if [ -e "$bootparam_root" ]; then
40 flags=""
41 if [ -n "$bootparam_ro" ] && ! echo "$bootparam_rootflags" | grep -w -q "ro"; then
42 if [ -n "$bootparam_rootflags" ]; then
43 bootparam_rootflags="$bootparam_rootflags,"
44 fi
45 bootparam_rootflags="${bootparam_rootflags}ro"
46 fi
47 if [ -n "$bootparam_rootflags" ]; then
48 flags="$flags -o$bootparam_rootflags"
49 fi
50 if [ -n "$bootparam_rootfstype" ]; then
51 flags="$flags -t$bootparam_rootfstype"
52 fi
53 mount $flags $bootparam_root $ROOTFS_DIR
54 if [ -d $ROOTFS_DIR/dev ]; then
55 break
56 else
57 # It is unlikely to change, but keep trying anyway.
58 # Perhaps we pick a different device next time.
59 umount $ROOTFS_DIR
60 fi
61 fi
62 fi
63 debug "Sleeping for $delay second(s) to wait root to settle..."
64 sleep $delay
65 C=$(( $C + 1 ))
66 done
67}