1#!/bin/sh 2# 3# MAKEDEV 3.3 - Make special devices. Author: Kees J. Bot 4# 3.4 - Rewritten to allow mtree line to be printed, Lionel A. Sambuc 5# also use getopt for argument parsing 6umask 077 7 8MTREE=false 9STD=false 10RAMDISK=false 11ECHO= 12EXIT=0 13 14# console => lp tty log 15# boot => kmem mem null ram zero 16RAMDISK_DEVICES=" 17 boot 18 console 19 input 20 c0d0 c0d0p0 c0d0p0s0 c0d1 c0d1p0 c0d1p0s0 21 c0d2 c0d2p0 c0d2p0s0 c0d3 c0d3p0 c0d3p0s0 22 c0d4 c0d4p0 c0d4p0s0 c0d5 c0d5p0 c0d5p0s0 23 c0d6 c0d6p0 c0d6p0s0 c0d7 c0d7p0 c0d7p0s0 24 c1d0 c1d0p0 c1d0p0s0 c1d1 c1d1p0 c1d1p0s0 25 c1d2 c1d2p0 c1d2p0s0 c1d3 c1d3p0 c1d3p0s0 26 c1d4 c1d4p0 c1d4p0s0 c1d5 c1d5p0 c1d5p0s0 27 c1d6 c1d6p0 c1d6p0s0 c1d7 c1d7p0 c1d7p0s0 28 fd0 fd1 fd0p0 fd1p0 29 pci 30 ttyc1 ttyc2 ttyc3 tty00 tty01 tty02 tty03 31" 32 33#eth => ip tcp udp 34STD_DEVICES=" 35 ${RAMDISK_DEVICES} 36 bmp085b1s77 bmp085b2s77 bmp085b3s77 37 eepromb1s50 eepromb1s51 eepromb1s52 eepromb1s53 38 eepromb1s54 eepromb1s55 eepromb1s56 eepromb1s57 39 eepromb2s50 eepromb2s51 eepromb2s52 eepromb2s53 40 eepromb2s54 eepromb2s55 eepromb2s56 eepromb2s57 41 eepromb3s50 eepromb3s51 eepromb3s52 eepromb3s53 42 eepromb3s54 eepromb3s55 eepromb3s56 eepromb3s57 43 eth fb0 fbd filter hello 44 i2c-1 i2c-2 i2c-3 45 klog ptmx random 46 sht21b1s40 sht21b2s40 sht21b3s40 47 tsl2550b1s39 tsl2550b2s39 tsl2550b3s39 48 ttyp0 ttyp1 ttyp2 ttyp3 ttyp4 ttyp5 ttyp6 ttyp7 ttyp8 ttyp9 49 ttypa ttypb ttypc ttypd ttype ttypf 50 ttyq0 ttyq1 ttyq2 ttyq3 ttyq4 ttyq5 ttyq6 ttyq7 ttyq8 ttyq9 51 ttyqa ttyqb ttyqc ttyqd ttyqe ttyqf 52 uds 53 vnd0 vnd0p0 vnd0p0s0 vnd1 vnd1p0 vnd1p0s0 54 vnd2 vnd3 vnd4 vnd5 vnd6 vnd7 55" 56 57#makedev ${dev} $type ${major} ${minor} ${uname} ${gname} ${permissions} [link_target] 58#When called for a link, major and minor are ignored 59makedev() 60{ 61 # Check that all the arguments are there, we trust the caller to put 62 # values which make sens. 63 [ $# -eq 7 ] || [ $# -eq 8 ] || return 1; 64 65 local _dev=$1 66 local __type=$2 67 local _major=$3 68 local _minor=$4 69 local _uname=$5 70 local _gname=$6 71 local _mode=$7 72 73 case ${__type} in 74 b)_type=block;; 75 c) _type=char;; 76 l) _type=link; _target=$8;; 77 *) return 2;; 78 esac 79 80 if [ ${MTREE} = "yes" ] 81 then 82 if [ ${_type} = "link" ] 83 then 84 echo ./dev/${_dev} type=${_type} \ 85 uname=${_uname} gname=${_gname} mode=${_mode} \ 86 link=${_target} 87 else 88 echo ./dev/${_dev} type=${_type} \ 89 uname=${_uname} gname=${_gname} mode=${_mode} \ 90 device=native,${_major},${_minor} 91 fi 92 else 93 if [ ${_type} = "link" ] 94 then 95 ${ECHO} ln -f ${_target} ${_dev} 96 else 97 ${ECHO} mknod ${_dev} ${__type} ${_major} ${_minor} 98 ${ECHO} chmod ${_mode} ${_dev} 99 ${ECHO} chown ${_uname}:${_gname} ${_dev} 100 fi 101 fi 102} 103 104# no_return usage() 105usage() 106{ 107 cat >&2 <<EOF 108Usage: $0 [-n|-m] [-s|-r] key ... 109 -n: print the commands instead of executing them 110 -m: print mtree(8) line 111 -s: standard set of devices 112 -r: reduced for ramdisk set of devices 113 114Where key is one of the following: 115 ram mem kmem null boot zero # One of these makes all these memory devices 116 fb0 # Make /dev/fb0 117 i2c-1 i2c-2 i2c-3 # Make /dev/i2c-[1-3] 118 tsl2550b{1,3}s39 # TSL2550 Ambient Light Sensors 119 sht21b{1,3}s40 # SHT21 Relative Humidity and Temperature Sensors 120 bmp085b{1,3}s77 # BMP085 Pressure and Temperature Sensors 121 fd0 fd1 ... # Floppy devices for drive 0, 1, ... 122 fd0p0 fd1p0 ... # Make floppy partitions fd0p[0-3], fd1p[0-3], ... 123 c0d0 c0d1 ... # Make disks c0d0, c0d1, ... 124 c0d0p0 c0d1p0 ... # Make partitions c0d0p[0-3], c0d1p[0-3], ... 125 c0d0p0s0 c0d1p0s0 ... # Subparts c0d0p[0-3]s[0-3], c0d1p[0-3]s[0-3], ... 126 c1d0(p0)(s0) # Likewise for controller 1 127 c0t0 c0t1 c1t0 ... # Make tape devices c0t0, c0t0n, c0t1, ... 128 console lp tty log # One of these makes all four 129 ttyc1 ... ttyc7 # Virtual consoles 130 tty00 ... tty03 # Make serial lines 131 ttyp0 ... ttyq0 ... # Make tty, pty pairs 132 eth ip tcp udp # One of these makes some TCP/IP devices 133 audio mixer # Make audio devices 134 klog # Make /dev/klog 135 ptmx # Make /dev/ptmx 136 random # Make /dev/random, /dev/urandom 137 uds # Make /dev/uds 138 filter # Make /dev/filter 139 fbd # Make /dev/fbd 140 hello # Make /dev/hello 141 video # Make /dev/video 142 pci # Make /dev/pci 143 vnd0 vnd0p0 vnd0p0s0 .. # Make vnode disks /dev/vnd[0-7] and (sub)partitions 144 input # Make /dev/kbdmux, /dev/kbd[0-3], idem /dev/mouse~ 145EOF 146 exit 1 147} 148 149# Parse options 150while getopts "nmrs" arg 151do 152 case "$arg" in 153 n) 154 ECHO=echo 155 ;; 156 m) 157 MTREE=yes 158 ;; 159 r) 160 RAMDISK=yes 161 ;; 162 s) 163 STD=yes 164 ;; 165 h|\?) 166 usage 167 ;; 168 esac 169done 170 171if [ ${STD} = "yes" ] 172then 173 DEVICES=${STD_DEVICES} 174elif [ ${RAMDISK} = "yes" ] 175then 176 DEVICES=${RAMDISK_DEVICES} 177else 178 while [ $OPTIND -gt 1 ] 179 do 180 shift 181 OPTIND=$((${OPTIND} - 1)) 182 done 183 while [ ! -z "$1" ] 184 do 185 DEVICES="${DEVICES} $1" 186 shift 187 done 188fi 189 190for dev in ${DEVICES} 191do 192 # Reset the defaults 193 uname=root 194 gname=operator 195 permissions=600 196 197 case ${dev} in 198 c0*) major=3 ;; 199 c1*) major=8 ;; 200 c2*) major=10 ;; 201 c3*) major=12 ;; 202 vnd*) # Whole vnode disk devices. 203 disk=`expr ${dev} : '...\\(.\\)'` 204 major=`expr ${disk} + 56` 205 ;; 206 esac 207 208 # The following is lexicographicaly ordered 209 case ${dev} in 210 audio|mixer) 211 # Audio devices. 212 makedev audio c 13 0 ${uname} ${gname} 666 213 makedev mixer c 13 1 ${uname} ${gname} 666 214 ;; 215 bmp085b[1-3]s77) 216 # Weather Cape: temperature & pressure sensor 217 bus=`expr ${dev} : 'bmp085b\\(.*\\)s77'` #bus number 218 major=`expr ${bus} + 52` 219 220 makedev bmp085b${bus}s77 c ${major} 0 ${uname} ${gname} 444 221 ;; 222 c[0-3]d[0-7]) 223 # Whole disk devices. 224 disk=`expr ${dev} : '...\\(.\\)'` 225 minor=`expr ${disk} '*' 5` 226 227 makedev ${dev} b ${major} ${minor} ${uname} ${gname} ${permissions} 228 ;; 229 c[0-3]d[0-7]p[0-3]) 230 # Disk primary partitions. 231 prefix=`expr ${dev} : '\\(.*\\).'` 232 disk=`expr ${dev} : '...\\(.\\)'` 233 234 for p in 0 1 2 3 235 do 236 minor=`expr ${disk} '*' 5 + 1 + ${p}` 237 makedev ${prefix}${p} b ${major} ${minor} \ 238 ${uname} ${gname} ${permissions} 239 done 240 ;; 241 c[0-3]d[0-7]p[0-3]s[0-3]) 242 # Disk subpartition. 243 prefix=`expr ${dev} : '\\(.*\\)...'` 244 disk=`expr ${dev} : '...\\(.\\)'` 245 246 for p in 0 1 2 3 247 do 248 for s in 0 1 2 3 249 do 250 minor=`expr 128 + ${disk} '*' 16 + ${p} '*' 4 + ${s}` 251 makedev ${prefix}${p}s${s} b ${major} ${minor} \ 252 ${uname} ${gname} ${permissions} 253 done 254 done 255 ;; 256 c[0-3]t[0-7]|c[0-3]t[0-7]n) 257 # Tape devices. 258 prefix=`expr ${dev} : '\\(....\\)'` 259 tape=`expr ${dev} : '...\\(.\\)'` 260 minor=`expr 64 + ${tape} '*' 2` 261 262 makedev ${prefix}n c ${major} ${minor} ${uname} ${gname} 660 263 makedev ${prefix} c ${major} `expr ${minor} + 1` ${uname} ${gname} 660 264 ;; 265 console|lp|tty|log|video) 266 # Console, line printer, anonymous tty, diagnostics device, video. 267 makedev console c 4 0 ${uname} tty ${permissions} 268 makedev tty c 5 0 ${uname} ${gname} 666 269 makedev lp c 6 0 daemon daemon 200 270 makedev log c 4 15 ${uname} ${gname} 222 271 makedev video c 4 125 ${uname} ${gname} ${permissions} 272 ;; 273 eepromb[1-3]s5[0-7]) 274 # cat24c256 driver 275 bus=`expr ${dev} : 'eepromb\\(.*\\)s'` 276 # configurable part of slave addr 277 slave_low=`expr ${dev} : 'eepromb.s5\\(.*\\)'` 278 major=`expr ${bus} '*' 8 + ${slave_low} + 17` 279 280 makedev eepromb${bus}s5${slave_low} b ${major} 0 ${uname} ${gname} ${permissions} 281 ;; 282 eth|ip|tcp|udp|eth0|ip0|tcp0|udp0) 283 # TCP/IP devices. 284 makedev ipstat c 7 0 ${uname} ${gname} 666 285 makedev eth0 c 7 1 ${uname} ${gname} ${permissions} 286 makedev ip0 c 7 2 ${uname} ${gname} ${permissions} 287 makedev tcp0 c 7 3 ${uname} ${gname} 666 288 makedev udp0 c 7 4 ${uname} ${gname} 666 289 290 # Default interface 291 makedev eth c 7 1 ${uname} ${gname} ${permissions} 292 makedev ip c 7 2 ${uname} ${gname} ${permissions} 293 makedev tcp c 7 3 ${uname} ${gname} 666 294 makedev udp c 7 4 ${uname} ${gname} 666 295 ;; 296 fb0) 297 # Framebuffer driver 298 makedev ${dev} c 19 0 ${uname} ${gname} 644 299 ;; 300 fbd) 301 # Faulty block device driver 302 makedev ${dev} b 14 0 ${uname} ${gname} ${permissions} 303 ;; 304 fd[0-3]) 305 # Floppy disk drive N has minor N. 306 minor=`expr ${dev} : '..\\(.\\)'` 307 308 makedev ${dev} b 2 ${minor} ${uname} ${gname} 666 309 ;; 310 fd[0-3]p[0-3]) 311 # Floppy disk partitions. 312 prefix=`expr ${dev} : '\\(.*\\).'` 313 drive=`expr ${dev} : '..\\(.\\)'` 314 315 for p in 0 1 2 3 316 do 317 minor=`expr 112 + ${drive} + ${p} '*' 4` 318 makedev ${prefix}${p} b 2 ${minor} \ 319 ${uname} ${gname} 666 320 done 321 ;; 322 filter) 323 # Filter driver 324 makedev ${dev} b 11 0 ${uname} ${gname} ${permissions} 325 ;; 326 hello) 327 # Hello driver 328 makedev ${dev} c 17 0 ${uname} ${gname} 644 329 ;; 330 i2c-[1-3]) 331 # i2c driver 332 bus=`expr ${dev} : '....\\(.*\\)'` # bus number 333 # least significant digit of major 334 major_low=`expr ${dev} : '....\\(.*\\)'` 335 major_low=`expr ${major_low} - 1` 336 337 makedev "i2c-${bus}" c 2${major_low} 0 ${uname} ${gname} ${permissions} 338 ;; 339 input) 340 # Input server 341 makedev kbdmux c 64 0 ${uname} ${gname} ${permissions} 342 makedev mousemux c 64 64 ${uname} ${gname} ${permissions} 343 344 for n in 0 1 2 3 345 do 346 minor_keyboard=`expr ${n} + 1` 347 minor_mouse=`expr ${n} + 65` 348 349 makedev kbd${n} c 64 ${minor_keyboard} ${uname} ${gname} ${permissions} 350 makedev mouse${n} c 64 ${minor_mouse} ${uname} ${gname} ${permissions} 351 done 352 ;; 353 klog) 354 # Logging device. 355 makedev ${dev} c 15 0 ${uname} ${gname} ${permissions} 356 ;; 357 pc[0-3]|at[0-3]|qd[0-3]|ps[0-3]|pat[0-3]|qh[0-3]|PS[0-3]) 358 # Obsolete density locked floppy disk drive n. 359 drive=`expr ${dev} : '.*\\(.\\)'` 360 minor=${drive} 361 362 for prefix in pc at qd ps pat qh PS 363 do 364 makedev ${prefix}${drive} b 2 ${minor} \ 365 ${uname} ${gname} 666 366 minor=`expr ${minor} + 4` 367 done 368 ;; 369 pci) 370 # PCI server, manages PCI buses 371 makedev pci c 134 0 ${uname} ${gname} ${permissions} 372 ;; 373 ptmx) 374 # Unix98 pseudoterminal master 375 makedev ptmx c 9 0 ${uname} tty 666 376 ;; 377 ram|mem|kmem|null|boot|zero|imgrd) 378 # Memory devices. 379 makedev ram b 1 0 ${uname} kmem ${permissions} 380 makedev mem c 1 1 ${uname} kmem 640 381 makedev kmem c 1 2 ${uname} kmem 640 382 makedev null c 1 3 ${uname} kmem 666 383 makedev boot b 1 4 ${uname} kmem ${permissions} 384 makedev zero c 1 5 ${uname} kmem 644 385 makedev imgrd b 1 6 ${uname} kmem ${permissions} 386 387 for n in 0 1 2 3 4 5 388 do 389 minor=`expr ${n} + 7` 390 391 makedev ram${n} b 1 ${minor} ${uname} kmem ${permissions} 392 done 393 ;; 394 random|urandom) 395 # Random data generator. 396 makedev random c 16 0 ${uname} ${gname} 644 397 makedev urandom c 16 0 ${uname} ${gname} 644 398 ;; 399 sht21b[1-3]s40) 400 # Weather Cape: relative humidity & temperature sensor 401 bus=`expr ${dev} : 'sht21b\\(.*\\)s40'` 402 major=`expr ${bus} + 49` 403 404 makedev sht21b${bus}s40 c ${major} 0 ${uname} ${gname} 444 405 ;; 406 tsl2550b[1-3]s39) 407 # Weather Cape: ambient light sensor 408 bus=`expr ${dev} : 'tsl2550b\\(.*\\)s39'` 409 major=`expr ${bus} + 46` 410 411 makedev tsl2550b${bus}s39 c ${major} 0 ${uname} ${gname} 444 412 ;; 413 tty0[0-3]) 414 # Serial lines. 415 line=`expr ${dev} : '.*\\(.\\)'` 416 minor=`expr ${line} + 16` 417 418 makedev ${dev} c 4 ${minor} ${uname} tty 666 419 ;; 420 tty[p-s][0-9a-f]|pty[p-s][0-9a-f]) 421 # Pseudo ttys. 422 dev=`expr ${dev} : '...\\(..\\)'` 423 group=`expr ${dev} : '\\(.\\)'` 424 group=`echo ${group} | tr 'pqrs' '0123'` 425 pty=`expr ${dev} : '.\\(.\\)'` 426 case ${pty} in 427 [a-f]) pty=1`/bin/echo ${pty} | tr 'abcdef' '012345'` 428 esac 429 minor_tty=`expr ${group} '*' 16 + ${pty} + 128` 430 minor_pty=`expr ${group} '*' 16 + ${pty} + 192` 431 432 makedev tty${dev} c 9 ${minor_tty} ${uname} tty 666 433 makedev pty${dev} c 9 ${minor_pty} ${uname} tty 666 434 ;; 435 ttyc[1-7]) 436 # Virtual consoles. 437 minor=`expr ${dev} : '....\\(.*\\)'` 438 439 makedev ${dev} c 4 ${minor} ${uname} tty ${permissions} 440 ;; 441 uds) 442 # Unix domain sockets device 443 makedev ${dev} c 18 0 ${uname} ${gname} 666 444 ;; 445 vnd[0-7]) 446 # Whole vnode disk devices. 447 makedev ${dev} b ${major} 0 ${uname} ${gname} ${permissions} 448 ;; 449 vnd[0-7]p[0-3]) 450 # Vnode disk primary partitions. 451 prefix=`expr ${dev} : '\\(.*\\).'` 452 disk=`expr ${dev} : '...\\(.\\)'` 453 454 for p in 0 1 2 3 455 do 456 minor=`expr 1 + ${p}` 457 458 makedev ${prefix}${p} b ${major} ${minor} \ 459 ${uname} ${gname} ${permissions} 460 done 461 ;; 462 vnd[0-7]p[0-3]s[0-3]) 463 # Vnode disk subpartition. 464 prefix=`expr ${dev} : '\\(.*\\)...'` 465 disk=`expr ${dev} : '...\\(.\\)'` 466 467 for p in 0 1 2 3 468 do 469 for s in 0 1 2 3 470 do 471 minor=`expr 128 + ${p} '*' 4 + ${s}` 472 473 makedev ${prefix}${p}s${s} b ${major} ${minor} \ 474 ${uname} ${gname} ${permissions} 475 done 476 done 477 ;; 478 *) 479 echo "$0: don't know about ${dev}" >&2 480 EXIT=1 481 esac 482done 483 484exit $EXIT 485