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