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#! /bin/sh
# waitfor_xpds: wait until all Astribanks were initialized
# Written by Oron Peled <oron@actcom.co.il>
# Copyright (C) 2008, Xorcom
#
# All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
set -e
ab_list() {
ab=`find /sys/bus/astribanks/devices/xbus-*/ -name waitfor_xpds 2> /dev/null || :`
if [ "$ab" = "" ]; then
ab=`find /proc/xpp/XBUS-[0-9]*/ -name waitfor_xpds 2> /dev/null || :`
procfiles=1
fi
if [ "$ab" = "" ]; then
echo 1>&2 "$0: No XBUSES to wait for. Aborting..."
exit 1
fi
if [ -n "$procfiles" ]; then
echo 1>&2 "$0: No /sys attributes, fallback to /proc interface..."
fi
echo $ab
}
while
if ! ab=`ab_list`; then
exit 1
fi
test "$oldab" != "$ab"
do
oldab="$ab"
echo 1>&2 "Waiting for XPDS"
cat $ab
done
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