Cross Reference: /illumos-gate/usr/src/cmd/svc/milestone/fs-root

	fs-root revision 7c478bd95313f5f23a4c958a745db2134aa03244
#!/sbin/sh
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License, Version 1.0 only
# (the "License").  You may not use this file except in compliance
# with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#
#
# Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.
#
# ident "%Z%%M% %I% %E% SMI"
#
# Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T.
# All rights reserved.
#

# Make sure that the libraries essential to this stage of booting can be found.
LD_LIBRARY_PATH=/lib; export LD_LIBRARY_PATH

libc_mount() {
    #
    # If there is an optimized libc available in /usr that fits this
    # processor, mount it on top of the base libc.
    #
    MOE=`/usr/bin/moe -32 '/usr/lib/libc/$HWCAP'`
    if [ -n "$MOE" ]; then
        /usr/sbin/mount | egrep -s "^/lib/libc.so.1 on "
        if [ $? -ne 0 ]; then
            /usr/sbin/mount -O -F lofs $MOE /lib/libc.so.1
        fi
    fi
}

libc_psr_mount() {
    LIBC_MOE_32=`/usr/bin/moe -32 '/platform/sun4v/lib/libc_psr/$HWCAP'`
    if [ -n "$LIBC_MOE_32" ]; then
        /usr/sbin/mount | egrep -s "^/platform/sun4v/lib/libc_psr.so.1 on "
        if [ $? -ne 0 ]; then
            /usr/sbin/mount -O -F lofs $LIBC_MOE_32 /platform/sun4v/lib/libc_psr.so.1
        fi
    fi

    LIBC_MOE_64=`/usr/bin/moe -64 '/platform/sun4v/lib/sparcv9/libc_psr/$HWCAP'`
    if [ -n "$LIBC_MOE_64" ]; then
        /usr/sbin/mount | egrep -s "^/platform/sun4v/lib/sparcv9/libc_psr.so.1 on "
        if [ $? -ne 0 ]; then
            /usr/sbin/mount -O -F lofs $LIBC_MOE_64 /platform/sun4v/lib/sparcv9/libc_psr.so.1
        fi
    fi
}

#
# Most of the operations in this script are only necessary in the global
# zone but due to the way initialization scripts like this are packaged,
# it needs to currently exist for all zones.
#
if [ "${_INIT_ZONENAME:=`/sbin/zonename`}" != "global" ]; then
    libc_mount
    exit 0
fi

. /lib/svc/share/smf_include.sh
. /lib/svc/share/fs_include.sh

#
# Root is already mounted (by the kernel), but still needs to be
# checked, possibly remounted and entered into mnttab. First
# mount /usr read only if it is a separate file system. This must
# be done first to allow utilities such as fsck and setmnt to
# reside on /usr minimizing the space required by the root file
# system.
#
readvfstab "/usr" < $vfstab
if [ -n "$mountp" ]; then
    if [ "$fstype" = cachefs ]; then
        #
        # Mount without the cache initially.  We'll enable it
        # later at remount time.  This lets us avoid
        # teaching the statically linked mount program about
        # cachefs.  Here we determine the backfstype.
        # This is not pretty, but we have no tools for parsing
        # the option string until we get /usr mounted...
        #
        case "$mntopts" in
        *backfstype=nfs*)
            cfsbacktype=nfs
            ;;
        *backfstype=hsfs*)
            cfsbacktype=hsfs
            ;;
        *)
            msg='invalid vfstab entry for /usr'
            echo $msg
            echo "$SMF_FMRI:" $msg >/dev/msglog
            cfsbacktype=nfs
            ;;
        esac
        mountfs - /usr $cfsbacktype ro $special ||
            exit $SMF_EXIT_ERR_FATAL
    else
        #
        # Must use -o largefiles here to ensure the
        # read-only mount does not fail as a result of
        # having a large file present on /usr. This gives
        # fsck a chance to fix up the largefiles flag
        # before we remount /usr read-write.
        #
        if [ "x$mntopts" = x- ]; then
            mntopts='ro,largefiles'
        else
            checkopt largefiles $mntopts
            if [ "x$option" != xlargefiles ]; then
                mntopts="largefiles,$mntopts"
            fi

            checkopt ro $mntopts
            if [ "x$option" != xro ]; then
                mntopts="ro,$mntopts"
            fi

            #
            # Requesting logging on a read-only mount
            # causes errors to be displayed, so remove
            # "logging" from the list of options for now.
            # The read-write mount performed later will
            # specify the logging option if appropriate.
            #

            checkopt logging $mntopts
            if [ "x$option" = xlogging ]; then
                mntopts="$otherops"
            fi
        fi

        mountfs -O /usr $fstype $mntopts - || exit $SMF_EXIT_ERR_FATAL
    fi
fi

#
# Also mount /boot now so that things like keymap.sh can access
# boot properties through eeprom.  Readonly isn't required because
# /boot (and other pcfs filesystems) aren't fsck'ed at boot yet.
# Also, we don't account for caching /boot as it must be on a local
# disk.  So what's in vfstab is fine as it stands; just look to see
# if it's there and avoid the mount if not.
#
readvfstab "/boot" < $vfstab

if [ -n "$mountp" ]; then
    mountfs - /boot $fstype $mntopts - || exit $SMF_EXIT_ERR_FATAL
fi

#
# Update kernel driver.conf cache with any additional driver.conf
# files found on /usr, and device permissions from /etc/minor_perm.
#
/usr/sbin/devfsadm -I -P

[ -f /etc/.dynamic_routing ] && /usr/bin/rm -f /etc/.dynamic_routing

libc_mount

libc_psr_mount

exit 0