419 lines
9.7 KiB
Text
419 lines
9.7 KiB
Text
# /usr/etc/rc - continued system initialization.
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RANDOM_FILE=/usr/adm/random.dat
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LOCAL_FILE=/usr/etc/rc.local
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ARCH="`sysenv arch`"
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if [ ! "$ARCH" ]
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then # Older kernels do not provide an arch sysenv variable.
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# We assume we are on x86 then, as existing systems with
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# kernel and userland (i.e. this script) unsynchronized
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# will be x86.
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ARCH=i386
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fi
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# Get $SERVICES_DIRS
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. /etc/rc.conf
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# Directories to find services in
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if [ ! "$SERVICES_DIRS" ]
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then SERVICES_DIRS=/usr/sbin
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fi
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# Booting from cd?
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bootcd="`/bin/sysenv bootcd`"
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case "$#:$1" in
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1:start|1:stop|1:down)
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action=$1
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;;
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*) echo >&2 "Usage: $0 start|stop|down"
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exit 1
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esac
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if [ -f "$LOCAL_FILE" ]
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then . "$LOCAL_FILE" $1
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fi
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disabled()
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{
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ifs="$IFS"; IFS=,
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for skip in `sysenv disable`
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do
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if [ "$skip" = "$1" ]
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then
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IFS="$ifs"; unset ifs
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return 0
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fi
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done
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IFS="$ifs"; unset ifs
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return 1
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}
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daemonize()
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{
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# Function to start a daemon, if it exists.
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local IFS=':'
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local name="$1"
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test "$1" = tcpd && name="$2"
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for dir in $PATH
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do
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if [ -f "$dir/$1" ]
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then
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# check if this service is disabled at the boot monitor.
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if disabled $name; then return; fi
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echo -n " $name"
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"$@" &
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return
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fi
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done
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}
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up()
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{
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# Function to dynamically start a system service
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opt=""
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prefix=$(expr "$1 " : '\(-\)')
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if [ "$prefix" = "-" ];
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then
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opt=$1
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shift
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fi
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service=$1
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shift
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# First check if this service is disabled at the boot monitor.
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if disabled $service; then return; fi
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# Service is not disabled. Try to bring it up.
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found=""
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for dir in $SERVICES_DIRS
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do bin=$dir/$service
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if [ -x $bin -a -z "$found" ]
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then service $opt up $bin "$@"
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echo -n " $service"
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found=yes
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fi
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done
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if [ -z "$found" ]
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then echo " ($service not found in $SERVICES_DIRS)"
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fi
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}
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get_eth_labels() {
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# Filter out the non-vlan ethernet entries from inet.conf.
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# Produce as output a list of "drivername_instancenr"-formatted labels.
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sed 's/\008/ /g' /etc/inet.conf | \
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sed -n 's/^ *eth[0-9][0-9]* *\([^ ][^ ]*\) *\([0-9][0-9]*\).*$/\1_\2/p' | \
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grep -v '^vlan_'
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}
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# Detect expansion boards on the BeagleBone and load the proper drivers.
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capemgr() {
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# Probe each possible cape EEPROM slave address for a BeagleBone cape.
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for slave_addr in 54 55 56 57
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do
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# See if there is a readable EEPROM with address ${slave_addr}.
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eepromread -f /dev/i2c-3 -a 0x${slave_addr} > /dev/null 2>&1
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RESULT=$?
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if [ $RESULT -eq 0 ]
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then
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# Found an alive EEPROM. Try reading the cape name.
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CAPE=`eepromread -i -f /dev/i2c-3 -a 0x${slave_addr} | \
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sed -n 's/^PART_NUMBER : \(.*\)$/\1/p' | \
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sed -e 's/\.*$//g'` # Strip trailing periods.
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# Look for a cape specific RC script.
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if [ -x /etc/rc.capes/${CAPE} ]
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then
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# CAT24C256 EEPROM -- all capes have this chip.
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test -e /dev/eepromb3s${slave_addr} || \
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(cd /dev && MAKEDEV eepromb3s${slave_addr})
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up cat24c256 -dev /dev/eepromb3s${slave_addr} \
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-label cat24c256.3.${slave_addr} \
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-args "bus=3 address=0x${slave_addr}"
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# Load the drivers for the cape and do any other configuration.
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. "/etc/rc.capes/${CAPE}"
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else
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echo ""
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echo "** UNSUPPORTED CAPE: ${CAPE}"
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echo ""
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fi
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fi
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done
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}
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DAEMONS=/etc/rc.daemons
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case $action in
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start)
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# Select console font.
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test -f /etc/font && loadfont /etc/font </dev/console
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# Cleanup.
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rm -rf /tmp/* /usr/run/* /usr/spool/lpd/* /usr/spool/locks/*
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# Start servers and drivers set at the boot monitor.
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echo -n "Starting services:"
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up -n random -dev /dev/random -period 3HZ
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# load random number generator
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if [ -f $RANDOM_FILE ]
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then
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cat < $RANDOM_FILE >/dev/random
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# overwrite $RANDOM_FILE. We don't want to use this data again
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dd if=/dev/random of=$RANDOM_FILE bs=1024 count=1 2> /dev/null
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fi
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# start network driver instances for all configured ethernet devices
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for label in $(get_eth_labels); do
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driver=$(echo $label | sed 's/\(.*\)_.*/\1/')
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instance=$(echo $label | sed 's/.*_//')
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eval arg=\$${label}_arg
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if [ ! -z "$arg" ]; then arg=" $arg"; fi
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arg="-args \"instance=$instance$arg\""
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eval up $driver -label $label $arg -period 5HZ
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done
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if [ X`/bin/sysenv lwip` = Xyes ]
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then
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up lwip -script /etc/rs.inet -dev /dev/ip
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else
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up inet -script /etc/rs.inet -dev /dev/ip
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fi
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up -n ipc
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up log -dev /dev/klog
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if [ $ARCH = i386 ]
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then
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up -n printer -dev /dev/lp -period 10HZ
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# start VirtualBox time sync driver if the device is there
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if grep '^[^ ]* [^ ]* 80EE:CAFE ' /proc/pci >/dev/null; then
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up -n vbox -period 10HZ
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fi
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fi
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echo .
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# Network initialization.
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(: </dev/tcp) 2>/dev/null && net=t # Is there a TCP/IP server?
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echo -n "Starting daemons:"
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daemonize update
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# Ugly error message when starting cron from CD.
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# (and cron unnecessary then so..)
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if [ ! -f /CD ]
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then daemonize cron
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else mkdir /tmp/log
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rm -f /var/log || true
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ln -s /tmp/log /var/log || true
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. /etc/rc.cd
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fi
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# syslogd has not been started yet
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rm -f /var/run/syslogd.pid
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daemonize syslogd
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echo .
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# i2c only supported on ARM at the moment
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if [ $ARCH = earm ]
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then
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echo -n "Starting i2c subsystem: "
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for bus in 1 2 3
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do
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test -e /dev/i2c-${bus} || (cd /dev && MAKEDEV i2c-${bus})
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up i2c -dev /dev/i2c-${bus} -label i2c.${bus} \
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-args instance=${bus}
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done
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echo .
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BOARD_NAME=`sysenv board`
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case "${BOARD_NAME}" in
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ARM-ARMV7-TI-BB-WHITE)
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echo "Running on a BeagleBone"
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echo -n "Starting i2c device drivers: "
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# start EEPROM driver for reading board info
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test -e /dev/eepromb1s50 || \
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(cd /dev && MAKEDEV eepromb1s50)
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up cat24c256 -dev /dev/eepromb1s50 \
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-label cat24c256.1.50 \
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-args 'bus=1 address=0x50'
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# Start TPS65217 driver for power management.
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up tps65217 -label tps65217.1.24 \
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-args 'bus=1 address=0x24'
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# check for the presence of a display
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eepromread -f /dev/i2c-2 -n > /dev/null 2>&1
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RESULT=$?
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if [ $RESULT -eq 0 ]
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then
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# start eeprom driver for reading EDID.
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test -e /dev/eepromb2s50 || \
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(cd /dev && MAKEDEV eepromb2s50)
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up cat24c256 -dev /dev/eepromb2s50 \
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-label cat24c256.2.50 \
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-args 'bus=2 address=0x50'
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# start frame buffer
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#up fb -dev /dev/fb0 -args edid.0=cat24c256.2.50
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# fb hasn't been ported to AM335X yet.
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fi
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# Detect expansion boards and start drivers.
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capemgr
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;;
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ARM-ARMV7-TI-BB-BLACK)
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echo "Running on a BeagleBone Black"
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echo -n "Starting i2c device drivers: "
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# start EEPROM driver for reading board info
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test -e /dev/eepromb1s50 || \
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(cd /dev && MAKEDEV eepromb1s50)
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up cat24c256 -dev /dev/eepromb1s50 \
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-label cat24c256.1.50 \
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-args 'bus=1 address=0x50'
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# Start TPS65217 driver for power management.
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up tps65217 -label tps65217.1.24 \
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-args 'bus=1 address=0x24'
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# Start TDA19988 driver for reading EDID.
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up tda19988 -label tda19988.1.3470 -args \
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'cec_bus=1 cec_address=0x34 hdmi_bus=1 hdmi_address=0x70'
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# start frame buffer
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#up fb -dev /dev/fb0 -args edid.0=tda19988.1.3470
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# fb hasn't been ported to AM335X yet.
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# Detect expansion boards and start drivers.
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capemgr
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;;
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ARM-ARMV7-TI-BBXM-GENERIC)
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echo "Running on a BeagleBoard-xM"
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echo -n "Starting i2c device drivers: "
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# Start TPS65950 driver for power management.
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up tps65950 -label tps65950.1.48 \
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-args 'bus=1 address=0x48'
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# Set the system time to the time in the TPS65950's RTC
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readclock
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# check for the presence of a display
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eepromread -f /dev/i2c-3 -n > /dev/null 2>&1
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RESULT=$?
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if [ $RESULT -eq 0 ]
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then
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# start eeprom driver for reading edid
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test -e /dev/eepromb3s50 || \
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(cd /dev && MAKEDEV eepromb3s50)
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up cat24c256 -dev /dev/eepromb3s50 \
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-label cat24c256.3.50 \
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-args 'bus=3 address=0x50'
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# start frame buffer
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up fb -dev /dev/fb0 -args edid.0=cat24c256.3.50
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fi
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;;
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esac
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echo .
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fi
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if [ "$net" ]
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then
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if [ -f /etc/rc.net ]
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then
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# Let a customized TCP/IP initialization script figure it out.
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. /etc/rc.net
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else
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# Standard network daemons.
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echo -n "Starting networking:"
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if grep -s 'psip0.*default' /etc/inet.conf >/dev/null
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then ifconfig -h 10.0.0.1
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else
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if [ X`/bin/sysenv lwip` = Xyes ]
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then
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dhcpd --lwip &
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echo -n " dhcpd"
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else
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daemonize dhcpd
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fi
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fi
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daemonize nonamed -L
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if [ -f "$DAEMONS" ]
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then . "$DAEMONS"
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fi
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# The last daemon has been started, so close the list:
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echo .
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fi
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fi
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if [ "$net" ]
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then
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# Get the nodename from the DNS and set it.
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trap '' 2
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intr -t 20 hostaddr -h
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trap 2
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fi
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# Recover files being edited when the system crashed.
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test -f /usr/bin/elvprsv && elvprsv /usr/tmp/elv*
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# Run the daily cleanup on systems that are not on at night.
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test -f /usr/etc/daily && sh /usr/etc/daily boot &
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;;
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stop|down)
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# Save random data, if /usr is mounted rw.
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if grep ' \/usr .*rw.*' /etc/mtab >/dev/null
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then
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if dd if=/dev/random of=$RANDOM_FILE.new bs=1024 count=1 2>/dev/null
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then
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mv $RANDOM_FILE.new $RANDOM_FILE
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else
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echo 'Failed to save random data.'
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fi
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fi
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esac
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d=
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# Let packages run their own scripts
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for d in /usr/local/etc/rc.d /usr/pkg/etc/rc.d
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do
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if [ -d "$d" -a -z "$bootcd" ]
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then ( if cd $d
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then
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echo -n "Local packages ($action): "
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for f in *
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do
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if [ -x "$f" ]
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then echo -n "$f "
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sh "$f" "$action"
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fi
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done
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echo " done."
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fi
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)
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fi
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done
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