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 33STD_DEVICES=" 34 ${RAMDISK_DEVICES} 35 bmp085b1s77 bmp085b2s77 bmp085b3s77 36 bpf 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 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 vnd0 vnd0p0 vnd0p0s0 vnd1 vnd1p0 vnd1p0s0 53 vnd2 vnd3 vnd4 vnd5 vnd6 vnd7 54" 55 56#makedev ${dev} $type ${major} ${minor} ${uname} ${gname} ${permissions} [link_target] 57#When called for a link, major and minor are ignored 58makedev() 59{ 60 # Check that all the arguments are there, we trust the caller to put 61 # values which make sens. 62 [ $# -eq 7 ] || [ $# -eq 8 ] || return 1; 63 64 local _dev=$1 65 local __type=$2 66 local _major=$3 67 local _minor=$4 68 local _uname=$5 69 local _gname=$6 70 local _mode=$7 71 72 case ${__type} in 73 b)_type=block;; 74 c) _type=char;; 75 l) _type=link; _target=$8;; 76 *) return 2;; 77 esac 78 79 if [ ${MTREE} = "yes" ] 80 then 81 if [ ${_type} = "link" ] 82 then 83 echo ./dev/${_dev} type=${_type} \ 84 uname=${_uname} gname=${_gname} mode=${_mode} \ 85 link=${_target} 86 else 87 echo ./dev/${_dev} type=${_type} \ 88 uname=${_uname} gname=${_gname} mode=${_mode} \ 89 device=native,${_major},${_minor} 90 fi 91 else 92 if [ ${_type} = "link" ] 93 then 94 ${ECHO} ln -f ${_target} ${_dev} 95 else 96 ${ECHO} mknod ${_dev} ${__type} ${_major} ${_minor} 97 ${ECHO} chmod ${_mode} ${_dev} 98 ${ECHO} chown ${_uname}:${_gname} ${_dev} 99 fi 100 fi 101} 102 103# no_return usage() 104usage() 105{ 106 cat >&2 <<EOF 107Usage: $0 [-n|-m] [-s|-r] key ... 108 -n: print the commands instead of executing them 109 -m: print mtree(8) line 110 -s: standard set of devices 111 -r: reduced for ramdisk set of devices 112 113Where key is one of the following: 114 ram mem kmem null boot zero # One of these makes all these memory devices 115 fb0 # Make /dev/fb0 116 i2c-1 i2c-2 i2c-3 # Make /dev/i2c-[1-3] 117 tsl2550b{1,3}s39 # TSL2550 Ambient Light Sensors 118 sht21b{1,3}s40 # SHT21 Relative Humidity and Temperature Sensors 119 bmp085b{1,3}s77 # BMP085 Pressure and Temperature Sensors 120 fd0 fd1 ... # Floppy devices for drive 0, 1, ... 121 fd0p0 fd1p0 ... # Make floppy partitions fd0p[0-3], fd1p[0-3], ... 122 c0d0 c0d1 ... # Make disks c0d0, c0d1, ... 123 c0d0p0 c0d1p0 ... # Make partitions c0d0p[0-3], c0d1p[0-3], ... 124 c0d0p0s0 c0d1p0s0 ... # Subparts c0d0p[0-3]s[0-3], c0d1p[0-3]s[0-3], ... 125 c1d0(p0)(s0) # Likewise for controller 1 126 c0t0 c0t1 c1t0 ... # Make tape devices c0t0, c0t0n, c0t1, ... 127 console lp tty log # One of these makes all four 128 ttyc1 ... ttyc7 # Virtual consoles 129 tty00 ... tty03 # Make serial lines 130 ttyp0 ... ttyq0 ... # Make tty, pty pairs 131 audio mixer # Make audio devices 132 bpf # Make /dev/bpf 133 klog # Make /dev/klog 134 ptmx # Make /dev/ptmx 135 random # Make /dev/random, /dev/urandom 136 filter # Make /dev/filter 137 fbd # Make /dev/fbd 138 hello # Make /dev/hello 139 video # Make /dev/video 140 pci # Make /dev/pci 141 vnd0 vnd0p0 vnd0p0s0 .. # Make vnode disks /dev/vnd[0-7] and (sub)partitions 142 input # Make /dev/kbdmux, /dev/kbd[0-3], idem /dev/mouse~ 143EOF 144 exit 1 145} 146 147# Parse options 148while getopts "nmrs" arg 149do 150 case "$arg" in 151 n) 152 ECHO=echo 153 ;; 154 m) 155 MTREE=yes 156 ;; 157 r) 158 RAMDISK=yes 159 ;; 160 s) 161 STD=yes 162 ;; 163 h|\?) 164 usage 165 ;; 166 esac 167done 168 169if [ ${STD} = "yes" ] 170then 171 DEVICES=${STD_DEVICES} 172elif [ ${RAMDISK} = "yes" ] 173then 174 DEVICES=${RAMDISK_DEVICES} 175else 176 while [ $OPTIND -gt 1 ] 177 do 178 shift 179 OPTIND=$((${OPTIND} - 1)) 180 done 181 while [ ! -z "$1" ] 182 do 183 DEVICES="${DEVICES} $1" 184 shift 185 done 186fi 187 188for dev in ${DEVICES} 189do 190 # Reset the defaults 191 uname=root 192 gname=wheel 193 permissions=600 194 195 case ${dev} in 196 c0*) major=3 ;; 197 c1*) major=8 ;; 198 c2*) major=10 ;; 199 c3*) major=12 ;; 200 vnd*) # Whole vnode disk devices. 201 disk=`expr ${dev} : '...\\(.\\)'` 202 major=`expr ${disk} + 56` 203 ;; 204 esac 205 206 # The following is lexicographicaly ordered 207 case ${dev} in 208 audio|mixer) 209 # Audio devices. 210 makedev audio c 13 0 ${uname} ${gname} 666 211 makedev mixer c 13 1 ${uname} ${gname} 666 212 ;; 213 bmp085b[1-3]s77) 214 # Weather Cape: temperature & pressure sensor 215 bus=`expr ${dev} : 'bmp085b\\(.*\\)s77'` #bus number 216 major=`expr ${bus} + 52` 217 218 makedev bmp085b${bus}s77 c ${major} 0 ${uname} ${gname} 444 219 ;; 220 bpf) 221 # Berkeley Packet Filter device, for the LWIP service 222 # This is a cloning device, but some programs (e.g., dhclient) 223 # assume individual devices are numbered, so also create bpf0. 224 makedev ${dev} c 7 0 ${uname} ${gname} 600 225 makedev ${dev}0 c 7 0 ${uname} ${gname} 600 226 ;; 227 c[0-3]d[0-7]) 228 # Whole disk devices. 229 disk=`expr ${dev} : '...\\(.\\)'` 230 minor=`expr ${disk} '*' 5` 231 232 makedev ${dev} b ${major} ${minor} ${uname} ${gname} ${permissions} 233 ;; 234 c[0-3]d[0-7]p[0-3]) 235 # Disk primary partitions. 236 prefix=`expr ${dev} : '\\(.*\\).'` 237 disk=`expr ${dev} : '...\\(.\\)'` 238 239 for p in 0 1 2 3 240 do 241 minor=`expr ${disk} '*' 5 + 1 + ${p}` 242 makedev ${prefix}${p} b ${major} ${minor} \ 243 ${uname} ${gname} ${permissions} 244 done 245 ;; 246 c[0-3]d[0-7]p[0-3]s[0-3]) 247 # Disk subpartition. 248 prefix=`expr ${dev} : '\\(.*\\)...'` 249 disk=`expr ${dev} : '...\\(.\\)'` 250 251 for p in 0 1 2 3 252 do 253 for s in 0 1 2 3 254 do 255 minor=`expr 128 + ${disk} '*' 16 + ${p} '*' 4 + ${s}` 256 makedev ${prefix}${p}s${s} b ${major} ${minor} \ 257 ${uname} ${gname} ${permissions} 258 done 259 done 260 ;; 261 c[0-3]t[0-7]|c[0-3]t[0-7]n) 262 # Tape devices. 263 prefix=`expr ${dev} : '\\(....\\)'` 264 tape=`expr ${dev} : '...\\(.\\)'` 265 minor=`expr 64 + ${tape} '*' 2` 266 267 makedev ${prefix}n c ${major} ${minor} ${uname} ${gname} 660 268 makedev ${prefix} c ${major} `expr ${minor} + 1` ${uname} ${gname} 660 269 ;; 270 console|lp|tty|log|video) 271 # Console, line printer, anonymous tty, diagnostics device, video. 272 makedev console c 4 0 ${uname} tty ${permissions} 273 makedev tty c 5 0 ${uname} ${gname} 666 274 makedev lp c 6 0 daemon daemon 200 275 makedev log c 4 15 ${uname} ${gname} 222 276 makedev video c 4 125 ${uname} ${gname} ${permissions} 277 ;; 278 eepromb[1-3]s5[0-7]) 279 # cat24c256 driver 280 bus=`expr ${dev} : 'eepromb\\(.*\\)s'` 281 # configurable part of slave addr 282 slave_low=`expr ${dev} : 'eepromb.s5\\(.*\\)'` 283 major=`expr ${bus} '*' 8 + ${slave_low} + 17` 284 285 makedev eepromb${bus}s5${slave_low} b ${major} 0 ${uname} ${gname} ${permissions} 286 ;; 287 fb0) 288 # Framebuffer driver 289 makedev ${dev} c 19 0 ${uname} ${gname} 644 290 ;; 291 fbd) 292 # Faulty block device driver 293 makedev ${dev} b 14 0 ${uname} ${gname} ${permissions} 294 ;; 295 fd[0-3]) 296 # Floppy disk drive N has minor N. 297 minor=`expr ${dev} : '..\\(.\\)'` 298 299 makedev ${dev} b 2 ${minor} ${uname} ${gname} 666 300 ;; 301 fd[0-3]p[0-3]) 302 # Floppy disk partitions. 303 prefix=`expr ${dev} : '\\(.*\\).'` 304 drive=`expr ${dev} : '..\\(.\\)'` 305 306 for p in 0 1 2 3 307 do 308 minor=`expr 112 + ${drive} + ${p} '*' 4` 309 makedev ${prefix}${p} b 2 ${minor} \ 310 ${uname} ${gname} 666 311 done 312 ;; 313 filter) 314 # Filter driver 315 makedev ${dev} b 11 0 ${uname} ${gname} ${permissions} 316 ;; 317 hello) 318 # Hello driver 319 makedev ${dev} c 17 0 ${uname} ${gname} 644 320 ;; 321 i2c-[1-3]) 322 # i2c driver 323 bus=`expr ${dev} : '....\\(.*\\)'` # bus number 324 # least significant digit of major 325 major_low=`expr ${dev} : '....\\(.*\\)'` 326 major_low=`expr ${major_low} - 1` 327 328 makedev "i2c-${bus}" c 2${major_low} 0 ${uname} ${gname} ${permissions} 329 ;; 330 input) 331 # Input server 332 makedev kbdmux c 64 0 ${uname} ${gname} ${permissions} 333 makedev mousemux c 64 64 ${uname} ${gname} ${permissions} 334 335 for n in 0 1 2 3 336 do 337 minor_keyboard=`expr ${n} + 1` 338 minor_mouse=`expr ${n} + 65` 339 340 makedev kbd${n} c 64 ${minor_keyboard} ${uname} ${gname} ${permissions} 341 makedev mouse${n} c 64 ${minor_mouse} ${uname} ${gname} ${permissions} 342 done 343 ;; 344 klog) 345 # Logging device. 346 makedev ${dev} c 15 0 ${uname} ${gname} ${permissions} 347 ;; 348 pc[0-3]|at[0-3]|qd[0-3]|ps[0-3]|pat[0-3]|qh[0-3]|PS[0-3]) 349 # Obsolete density locked floppy disk drive n. 350 drive=`expr ${dev} : '.*\\(.\\)'` 351 minor=${drive} 352 353 for prefix in pc at qd ps pat qh PS 354 do 355 makedev ${prefix}${drive} b 2 ${minor} \ 356 ${uname} ${gname} 666 357 minor=`expr ${minor} + 4` 358 done 359 ;; 360 pci) 361 # PCI server, manages PCI buses 362 makedev pci c 134 0 ${uname} ${gname} ${permissions} 363 ;; 364 ptmx) 365 # Unix98 pseudoterminal master 366 makedev ptmx c 9 0 ${uname} tty 666 367 ;; 368 ram|mem|kmem|null|boot|zero|imgrd) 369 # Memory devices. 370 makedev ram b 1 0 ${uname} kmem ${permissions} 371 makedev mem c 1 1 ${uname} kmem 640 372 makedev kmem c 1 2 ${uname} kmem 640 373 makedev null c 1 3 ${uname} kmem 666 374 makedev boot b 1 4 ${uname} kmem ${permissions} 375 makedev zero c 1 5 ${uname} kmem 644 376 makedev imgrd b 1 6 ${uname} kmem ${permissions} 377 378 for n in 0 1 2 3 4 5 379 do 380 minor=`expr ${n} + 7` 381 382 makedev ram${n} b 1 ${minor} ${uname} kmem ${permissions} 383 done 384 ;; 385 random|urandom) 386 # Random data generator. 387 makedev random c 16 0 ${uname} ${gname} 644 388 makedev urandom c 16 0 ${uname} ${gname} 644 389 ;; 390 sht21b[1-3]s40) 391 # Weather Cape: relative humidity & temperature sensor 392 bus=`expr ${dev} : 'sht21b\\(.*\\)s40'` 393 major=`expr ${bus} + 49` 394 395 makedev sht21b${bus}s40 c ${major} 0 ${uname} ${gname} 444 396 ;; 397 tsl2550b[1-3]s39) 398 # Weather Cape: ambient light sensor 399 bus=`expr ${dev} : 'tsl2550b\\(.*\\)s39'` 400 major=`expr ${bus} + 46` 401 402 makedev tsl2550b${bus}s39 c ${major} 0 ${uname} ${gname} 444 403 ;; 404 tty0[0-3]) 405 # Serial lines. 406 line=`expr ${dev} : '.*\\(.\\)'` 407 minor=`expr ${line} + 16` 408 409 makedev ${dev} c 4 ${minor} ${uname} tty 666 410 ;; 411 tty[p-s][0-9a-f]|pty[p-s][0-9a-f]) 412 # Pseudo ttys. 413 dev=`expr ${dev} : '...\\(..\\)'` 414 group=`expr ${dev} : '\\(.\\)'` 415 group=`echo ${group} | tr 'pqrs' '0123'` 416 pty=`expr ${dev} : '.\\(.\\)'` 417 case ${pty} in 418 [a-f]) pty=1`/bin/echo ${pty} | tr 'abcdef' '012345'` 419 esac 420 minor_tty=`expr ${group} '*' 16 + ${pty} + 128` 421 minor_pty=`expr ${group} '*' 16 + ${pty} + 192` 422 423 makedev tty${dev} c 9 ${minor_tty} ${uname} tty 666 424 makedev pty${dev} c 9 ${minor_pty} ${uname} tty 666 425 ;; 426 ttyc[1-7]) 427 # Virtual consoles. 428 minor=`expr ${dev} : '....\\(.*\\)'` 429 430 makedev ${dev} c 4 ${minor} ${uname} tty ${permissions} 431 ;; 432 vnd[0-7]) 433 # Whole vnode disk devices. 434 makedev ${dev} b ${major} 0 ${uname} ${gname} ${permissions} 435 ;; 436 vnd[0-7]p[0-3]) 437 # Vnode disk primary partitions. 438 prefix=`expr ${dev} : '\\(.*\\).'` 439 disk=`expr ${dev} : '...\\(.\\)'` 440 441 for p in 0 1 2 3 442 do 443 minor=`expr 1 + ${p}` 444 445 makedev ${prefix}${p} b ${major} ${minor} \ 446 ${uname} ${gname} ${permissions} 447 done 448 ;; 449 vnd[0-7]p[0-3]s[0-3]) 450 # Vnode disk subpartition. 451 prefix=`expr ${dev} : '\\(.*\\)...'` 452 disk=`expr ${dev} : '...\\(.\\)'` 453 454 for p in 0 1 2 3 455 do 456 for s in 0 1 2 3 457 do 458 minor=`expr 128 + ${p} '*' 4 + ${s}` 459 460 makedev ${prefix}${p}s${s} b ${major} ${minor} \ 461 ${uname} ${gname} ${permissions} 462 done 463 done 464 ;; 465 *) 466 echo "$0: don't know about ${dev}" >&2 467 EXIT=1 468 esac 469done 470 471exit $EXIT 472