etc/usr/rc

   1 # /usr/etc/rc - continued system initialization.
   2
   3 RANDOM_FILE=/usr/adm/random.dat
   4 LOCAL_FILE=/usr/etc/rc.local
   5
   6 ARCH="`sysenv arch`"
   7
   8 if [ ! "$ARCH" ]
   9 then    # Older kernels do not provide an arch sysenv variable.
  10         # We assume we are on x86 then, as existing systems with
  11         # kernel and userland (i.e. this script) unsynchronized
  12         # will be x86.
  13         ARCH=i386
  14 fi
  15
  16 # Get $SERVICES_DIRS
  17 . /etc/rc.conf
  18
  19 # Directories to find services in
  20 if [ ! "$SERVICES_DIRS" ]
  21 then    SERVICES_DIRS=/usr/sbin
  22 fi
  23
  24 # Booting from cd?
  25 bootcd="`/bin/sysenv bootcd`"
  26
  27 case "$#:$1" in
  28 1:autoboot)
  29     action=start
  30     ;;
  31 1:start|1:stop|1:down)
  32     action=$1
  33     ;;
  34 *)  echo >&2 "Usage: $0 autoboot|start|stop|down"
  35     exit 1
  36 esac
  37
  38 if [ -f "$LOCAL_FILE" ]
  39 then    . "$LOCAL_FILE" $1
  40 fi
  41
  42 disabled()
  43 {
  44     ifs="$IFS"; IFS=,
  45     for skip in `sysenv disable`
  46     do
  47         if [ "$skip" = "$1" ]
  48         then
  49                 IFS="$ifs"; unset ifs
  50                 return 0
  51         fi
  52     done
  53     IFS="$ifs"; unset ifs
  54     return 1
  55 }
  56
  57 daemonize()
  58 {
  59     # Function to start a daemon, if it exists.
  60     local IFS=':'
  61     local name="$1"
  62     test "$1" = tcpd && name="$2"
  63
  64     for dir in $PATH
  65     do
  66         if [ -f "$dir/$1" ]
  67         then
  68
  69             # check if this service is disabled at the boot monitor.
  70             if disabled $name; then return; fi
  71
  72             echo -n " $name"
  73             "$@" &
  74             return
  75         fi
  76     done
  77 }
  78
  79 up()
  80 {
  81     # Function to dynamically start a system service
  82     opt=""
  83     prefix=$(expr "$1 " : '\(-\)')
  84     if [ "$prefix" = "-" ];
  85     then
  86          opt=$1
  87          shift
  88     fi
  89     service=$1
  90     shift
  91
  92     # First check if this service is disabled at the boot monitor.
  93     if disabled $service; then return; fi
  94
  95     # Service is not disabled. Try to bring it up.
  96     found=""
  97     for dir in $SERVICES_DIRS
  98     do  bin=$dir/$service
  99         if [ -x $bin -a -z "$found" ]
 100         then    service $opt up $bin "$@"
 101                 echo -n " $service"
 102                 found=yes
 103         fi
 104     done
 105     if [ -z "$found" ]
 106     then        echo " ($service not found in $SERVICES_DIRS)"
 107     fi
 108 }
 109
 110 get_eth_labels() {
 111   # Filter out the non-vlan ethernet entries from inet.conf.
 112   # Produce as output a list of "drivername_instancenr"-formatted labels.
 113   sed 's/\008/ /g' /etc/inet.conf | \
 114     sed -n 's/^ *eth[0-9][0-9]* *\([^ ][^ ]*\) *\([0-9][0-9]*\).*$/\1_\2/p' | \
 115     grep -v '^vlan_'
 116 }
 117
 118 # Detect expansion boards on the BeagleBone and load the proper drivers.
 119 capemgr() {
 120
 121     # Probe each possible cape EEPROM slave address for a BeagleBone cape.
 122     for slave_addr in 54 55 56 57
 123     do
 124
 125         # See if there is a readable EEPROM with address ${slave_addr}.
 126         eepromread -f /dev/i2c-3 -a 0x${slave_addr} > /dev/null 2>&1
 127         RESULT=$?
 128         if [ $RESULT -eq 0 ]
 129         then
 130
 131             # Found an alive EEPROM. Try reading the cape name.
 132             CAPE=`eepromread -i -f /dev/i2c-3 -a 0x${slave_addr} | \
 133                 sed -n 's/^PART_NUMBER     : \(.*\)$/\1/p' | \
 134                 sed -e 's/\.*$//g'` # Strip trailing periods.
 135
 136             # Look for a cape specific RC script.
 137             if [ -x /etc/rc.capes/${CAPE} ]
 138             then
 139
 140                 # CAT24C256 EEPROM -- all capes have this chip.
 141                 test -e /dev/eepromb3s${slave_addr} || \
 142                     (cd /dev && MAKEDEV eepromb3s${slave_addr})
 143                 up cat24c256 -dev /dev/eepromb3s${slave_addr} \
 144                     -label cat24c256.3.${slave_addr} \
 145                     -args "bus=3 address=0x${slave_addr}"
 146
 147                 # Load the drivers for the cape and do any other configuration.
 148                 . "/etc/rc.capes/${CAPE}"
 149
 150             else
 151
 152                 echo ""
 153                 echo "** UNSUPPORTED CAPE: ${CAPE}"
 154                 echo ""
 155
 156             fi
 157         fi
 158     done
 159 }
 160
 161 DAEMONS=/etc/rc.daemons
 162
 163 case $action in
 164 start|autoboot)
 165     # Select console font.
 166     test -f /etc/font && loadfont /etc/font </dev/console
 167
 168     # Cleanup.
 169     rm -rf /tmp/* /usr/run/* /usr/spool/lpd/* /usr/spool/locks/*
 170
 171     # Start servers and drivers set at the boot monitor.
 172     echo -n "Starting services:"
 173     up -n random -dev /dev/random -period 3HZ
 174
 175     # load random number generator
 176     if [ -f $RANDOM_FILE ]
 177     then
 178         cat < $RANDOM_FILE >/dev/random
 179         # overwrite $RANDOM_FILE. We don't want to use this data again
 180         dd if=/dev/random of=$RANDOM_FILE bs=1024 count=1 2> /dev/null
 181     fi
 182
 183     # start network driver instances for all configured ethernet devices
 184     for label in $(get_eth_labels); do
 185         driver=$(echo $label | sed 's/\(.*\)_.*/\1/')
 186         instance=$(echo $label | sed 's/.*_//')
 187         eval arg=\$${label}_arg
 188         if [ ! -z "$arg" ]; then arg=" $arg"; fi
 189         arg="-args \"instance=$instance$arg\""
 190         eval up $driver -label $label $arg -period 5HZ
 191     done
 192     if [ X`/bin/sysenv lwip` = Xyes ]
 193     then
 194         up lwip -script /etc/rs.inet -dev /dev/ip
 195     else
 196         up inet -script /etc/rs.inet -dev /dev/ip
 197     fi
 198
 199     up pty -dev /dev/ptyp0
 200
 201     up uds -dev /dev/uds
 202
 203     up -n ipc
 204
 205     up log -dev /dev/klog
 206
 207     if [ $ARCH = i386 ]
 208     then
 209         up -n printer -dev /dev/lp -period 10HZ
 210         # start VirtualBox time sync driver if the device is there
 211         if grep '^[^ ]* [^ ]* 80EE:CAFE ' /proc/pci >/dev/null; then
 212                 up -n vbox -period 10HZ
 213         fi
 214     fi
 215
 216     echo .
 217
 218     # Network initialization.
 219     (: </dev/tcp) 2>/dev/null && net=t  # Is there a TCP/IP server?
 220
 221     echo -n "Starting daemons:"
 222     daemonize update
 223
 224     # Ugly error message when starting cron from CD.
 225     # (and cron unnecessary then so..)
 226     if [ ! -f /CD ]
 227     then        daemonize cron
 228     else        mkdir /tmp/log
 229                 rm -f /var/log || true
 230                 ln -s /tmp/log /var/log || true
 231                 . /etc/rc.cd
 232     fi
 233     # syslogd has not been started yet
 234     rm -f /var/run/syslogd.pid
 235     daemonize syslogd
 236     echo .
 237
 238     # i2c only supported on ARM at the moment
 239     if [ $ARCH = earm ]
 240     then
 241         echo -n "Starting i2c subsystem: "
 242         for bus in 1 2 3
 243         do
 244                 test -e /dev/i2c-${bus} || (cd /dev && MAKEDEV i2c-${bus})
 245                 up i2c -dev /dev/i2c-${bus} -label i2c.${bus} \
 246                         -args instance=${bus}
 247         done
 248         echo .
 249
 250         BOARD_NAME=`sysenv board`
 251         case "${BOARD_NAME}" in
 252
 253                 ARM-ARMV7-TI-BB-WHITE)
 254                         echo "Running on a BeagleBone"
 255                         echo -n "Starting i2c device drivers: "
 256
 257                         # start EEPROM driver for reading board info
 258                         test -e /dev/eepromb1s50 || \
 259                                 (cd /dev && MAKEDEV eepromb1s50)
 260                         up cat24c256 -dev /dev/eepromb1s50 \
 261                                 -label cat24c256.1.50 \
 262                                 -args 'bus=1 address=0x50'
 263
 264                         # Start TPS65217 driver for power management.
 265                         up tps65217 -label tps65217.1.24 \
 266                                 -args 'bus=1 address=0x24'
 267
 268                         # check for the presence of a display
 269                         eepromread -f /dev/i2c-2 -n > /dev/null 2>&1
 270                         RESULT=$?
 271                         if [ $RESULT -eq 0 ]
 272                         then
 273                                 # start eeprom driver for reading EDID.
 274                                 test -e /dev/eepromb2s50 || \
 275                                         (cd /dev && MAKEDEV eepromb2s50)
 276                                 up cat24c256 -dev /dev/eepromb2s50 \
 277                                         -label cat24c256.2.50 \
 278                                         -args 'bus=2 address=0x50'
 279
 280                                 # start frame buffer
 281                                 #up fb -dev /dev/fb0 -args edid.0=cat24c256.2.50
 282                                 # fb hasn't been ported to AM335X yet.
 283                         fi
 284
 285                         if [ -e /service/usbd ]
 286                         then
 287                                 echo "Starting USBD"
 288                                 up usbd
 289                         fi
 290                         # Detect expansion boards and start drivers.
 291                         capemgr
 292
 293                         ;;
 294
 295                 ARM-ARMV7-TI-BB-BLACK)
 296                         echo "Running on a BeagleBone Black"
 297                         echo -n "Starting i2c device drivers: "
 298
 299                         # start EEPROM driver for reading board info
 300                         test -e /dev/eepromb1s50 || \
 301                                 (cd /dev && MAKEDEV eepromb1s50)
 302                         up cat24c256 -dev /dev/eepromb1s50 \
 303                                 -label cat24c256.1.50 \
 304                                 -args 'bus=1 address=0x50'
 305
 306                         # Start TPS65217 driver for power management.
 307                         up tps65217 -label tps65217.1.24 \
 308                                 -args 'bus=1 address=0x24'
 309
 310                         # Start TDA19988 driver for reading EDID.
 311                         up tda19988 -label tda19988.1.3470 -args \
 312                                 'cec_bus=1 cec_address=0x34 hdmi_bus=1 hdmi_address=0x70'
 313
 314                         # start frame buffer
 315                         #up fb -dev /dev/fb0 -args edid.0=tda19988.1.3470
 316                         # fb hasn't been ported to AM335X yet.
 317
 318                         if [ -e /service/usbd ]
 319                         then
 320                                 echo "Starting USBD"
 321                                 up usbd
 322                         fi
 323                         # Detect expansion boards and start drivers.
 324                         capemgr
 325
 326                         ;;
 327
 328                 ARM-ARMV7-TI-BBXM-GENERIC)
 329                         echo "Running on a BeagleBoard-xM"
 330                         echo -n "Starting i2c device drivers: "
 331
 332                         # Start TPS65950 driver for power management.
 333                         up tps65950 -label tps65950.1.48 \
 334                                 -args 'bus=1 address=0x48'
 335
 336                         # Set the system time to the time in the TPS65950's RTC
 337                         readclock
 338
 339                         # check for the presence of a display
 340                         eepromread -f /dev/i2c-3 -n > /dev/null 2>&1
 341                         RESULT=$?
 342                         if [ $RESULT -eq 0 ]
 343                         then
 344                                 # start eeprom driver for reading edid
 345                                 test -e /dev/eepromb3s50 || \
 346                                         (cd /dev && MAKEDEV eepromb3s50)
 347                                 up cat24c256 -dev /dev/eepromb3s50 \
 348                                         -label cat24c256.3.50 \
 349                                         -args 'bus=3 address=0x50'
 350
 351                                 # start frame buffer
 352                                 up fb -dev /dev/fb0 -args edid.0=cat24c256.3.50
 353                         fi
 354
 355                         ;;
 356         esac
 357
 358         echo .
 359     fi
 360
 361     if [ "$net" ]
 362     then
 363         if [ -f /etc/rc.net ]
 364         then
 365             # Let a customized TCP/IP initialization script figure it out.
 366             . /etc/rc.net
 367         else
 368             # Standard network daemons.
 369             echo -n "Starting networking:"
 370             if grep -s 'psip0.*default' /etc/inet.conf >/dev/null
 371             then        ifconfig -h 10.0.0.1
 372             else
 373                     if [ X`/bin/sysenv lwip` = Xyes ]
 374                     then
 375                         dhcpd --lwip &
 376                         echo -n " dhcpd"
 377                     else
 378                         daemonize dhcpd
 379                     fi
 380             fi
 381             daemonize nonamed -L
 382             if [ -f "$DAEMONS" ]
 383             then        . "$DAEMONS"
 384             fi
 385             # The last daemon has been started, so close the list:
 386             echo .
 387         fi
 388     fi
 389
 390     if [ "$net" ]
 391     then
 392         # Get the nodename from the DNS and set it.
 393         trap '' 2
 394         intr -t 20 hostaddr -h
 395         trap 2
 396     fi
 397
 398     # Recover files being edited when the system crashed.
 399     test -f /usr/bin/elvprsv && elvprsv /usr/tmp/elv*
 400
 401     # Run the daily cleanup on systems that are not on at night.
 402     test -f /usr/etc/daily && sh /usr/etc/daily boot &
 403 ;;
 404 stop|down)
 405         # Save random data, if /usr is mounted rw.
 406         if grep ' \/usr .*rw.*' /etc/mtab >/dev/null
 407         then
 408           if dd if=/dev/random of=$RANDOM_FILE.new bs=1024 count=1 2>/dev/null
 409           then
 410                 mv $RANDOM_FILE.new $RANDOM_FILE
 411           else
 412                 echo 'Failed to save random data.'
 413           fi
 414         fi
 415 esac
 416
 417 d=
 418 # Let packages run their own scripts
 419 for d in /usr/local/etc/rc.d /usr/pkg/etc/rc.d
 420 do
 421 if [ -d "$d" -a -z "$bootcd" ]
 422 then    ( if cd $d
 423         then
 424                 echo -n "Local packages ($action): "
 425                 for f in *
 426                 do
 427                         if [ -x "$f" ]
 428                         then    echo -n "$f "
 429                                 sh "$f" "$action"
 430                         fi
 431                 done
 432                 echo " done."
 433         fi
 434         )
 435 fi
 436 done