480 lines
12 KiB
Bash
Executable File
480 lines
12 KiB
Bash
Executable File
#!/bin/sh
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#
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# MAKEDEV 3.3 - Make special devices. Author: Kees J. Bot
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# 3.4 - Rewritten to allow mtree line to be printed, Lionel A. Sambuc
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# also use getopt for argument parsing
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umask 077
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MTREE=false
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STD=false
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RAMDISK=false
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ECHO=
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EXIT=0
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# console => lp tty log
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# boot => kmem mem null ram zero
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RAMDISK_DEVICES="
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boot
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console
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input
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c0d0 c0d0p0 c0d0p0s0 c0d1 c0d1p0 c0d1p0s0
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c0d2 c0d2p0 c0d2p0s0 c0d3 c0d3p0 c0d3p0s0
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c0d4 c0d4p0 c0d4p0s0 c0d5 c0d5p0 c0d5p0s0
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c0d6 c0d6p0 c0d6p0s0 c0d7 c0d7p0 c0d7p0s0
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c1d0 c1d0p0 c1d0p0s0 c1d1 c1d1p0 c1d1p0s0
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c1d2 c1d2p0 c1d2p0s0 c1d3 c1d3p0 c1d3p0s0
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c1d4 c1d4p0 c1d4p0s0 c1d5 c1d5p0 c1d5p0s0
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c1d6 c1d6p0 c1d6p0s0 c1d7 c1d7p0 c1d7p0s0
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fd0 fd1 fd0p0 fd1p0
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pci
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ttyc1 ttyc2 ttyc3 tty00 tty01 tty02 tty03
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ttyp0 ttyp1 ttyp2 ttyp3 ttyp4 ttyp5 ttyp6 ttyp7 ttyp8 ttyp9
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ttypa ttypb ttypc ttypd ttype ttypf
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ttyq0 ttyq1 ttyq2 ttyq3 ttyq4 ttyq5 ttyq6 ttyq7 ttyq8 ttyq9
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ttyqa ttyqb ttyqc ttyqd ttyqe ttyqf
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"
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#eth => ip tcp udp
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STD_DEVICES="
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${RAMDISK_DEVICES}
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bmp085b1s77 bmp085b2s77 bmp085b3s77
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eepromb1s50 eepromb1s51 eepromb1s52 eepromb1s53
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eepromb1s54 eepromb1s55 eepromb1s56 eepromb1s57
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eepromb2s50 eepromb2s51 eepromb2s52 eepromb2s53
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eepromb2s54 eepromb2s55 eepromb2s56 eepromb2s57
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eepromb3s50 eepromb3s51 eepromb3s52 eepromb3s53
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eepromb3s54 eepromb3s55 eepromb3s56 eepromb3s57
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eth fb0 fbd filter hello
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i2c-1 i2c-2 i2c-3
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klog random
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sht21b1s40 sht21b2s40 sht21b3s40
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tsl2550b1s39 tsl2550b2s39 tsl2550b3s39
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uds
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vnd0 vnd0p0 vnd0p0s0 vnd1 vnd1p0 vnd1p0s0
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vnd2 vnd3 vnd4 vnd5 vnd6 vnd7
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"
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#makedev ${dev} $type ${major} ${minor} ${uname} ${gname} ${permissions} [link_target]
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#When called for a link, major and minor are ignored
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makedev()
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{
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# Check that all the arguments are there, we trust the caller to put
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# values which make sens.
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[ $# -eq 7 ] || [ $# -eq 8 ] || return 1;
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local _dev=$1
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local __type=$2
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local _major=$3
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local _minor=$4
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local _uname=$5
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local _gname=$6
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local _mode=$7
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case ${__type} in
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b)_type=block;;
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c) _type=char;;
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l) _type=link; _target=$8;;
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*) return 2;;
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esac
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if [ ${MTREE} = "yes" ]
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then
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if [ ${_type} = "link" ]
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then
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echo ./dev/${_dev} type=${_type} \
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uname=${_uname} gname=${_gname} mode=${_mode} \
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link=${_target}
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else
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echo ./dev/${_dev} type=${_type} \
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uname=${_uname} gname=${_gname} mode=${_mode} \
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device=native,${_major},${_minor}
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fi
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else
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if [ ${_type} = "link" ]
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then
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${ECHO} ln -f ${_target} ${_dev}
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else
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${ECHO} mknod ${_dev} ${__type} ${_major} ${_minor}
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${ECHO} chmod ${_mode} ${_dev}
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${ECHO} chown ${_uname}:${_gname} ${_dev}
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fi
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fi
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}
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# no_return usage()
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usage()
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{
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cat >&2 <<EOF
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Usage: $0 [-n|-m] [-s|-r] key ...
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-n: print the commands instead of executing them
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-m: print mtree(8) line
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-s: standard set of devices
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-r: reduced for ramdisk set of devices
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Where key is one of the following:
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ram mem kmem null boot zero # One of these makes all these memory devices
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fb0 # Make /dev/fb0
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i2c-1 i2c-2 i2c-3 # Make /dev/i2c-[1-3]
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tsl2550b{1,3}s39 # TSL2550 Ambient Light Sensors
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sht21b{1,3}s40 # SHT21 Relative Humidity and Temperature Sensors
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bmp085b{1,3}s77 # BMP085 Pressure and Temperature Sensors
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fd0 fd1 ... # Floppy devices for drive 0, 1, ...
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fd0p0 fd1p0 ... # Make floppy partitions fd0p[0-3], fd1p[0-3], ...
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c0d0 c0d1 ... # Make disks c0d0, c0d1, ...
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c0d0p0 c0d1p0 ... # Make partitions c0d0p[0-3], c0d1p[0-3], ...
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c0d0p0s0 c0d1p0s0 ... # Subparts c0d0p[0-3]s[0-3], c0d1p[0-3]s[0-3], ...
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c1d0(p0)(s0) # Likewise for controller 1
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c0t0 c0t1 c1t0 ... # Make tape devices c0t0, c0t0n, c0t1, ...
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console lp tty log # One of these makes all four
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ttyc1 ... ttyc7 # Virtual consoles
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tty00 ... tty03 # Make serial lines
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ttyp0 ... ttyq0 ... # Make tty, pty pairs
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eth ip tcp udp # One of these makes some TCP/IP devices
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audio mixer # Make audio devices
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klog # Make /dev/klog
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random # Make /dev/random, /dev/urandom
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uds # Make /dev/uds
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filter # Make /dev/filter
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fbd # Make /dev/fbd
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hello # Make /dev/hello
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video # Make /dev/video
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pci # Make /dev/pci
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vnd0 vnd0p0 vnd0p0s0 .. # Make vnode disks /dev/vnd[0-7] and (sub)partitions
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input # Make /dev/kbdmux, /dev/kbd[0-3], idem /dev/mouse~
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EOF
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exit 1
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}
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# Parse options
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while getopts "nmrs" arg
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do
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case "$arg" in
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n)
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ECHO=echo
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;;
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m)
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MTREE=yes
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;;
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r)
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RAMDISK=yes
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;;
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s)
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STD=yes
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;;
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h|\?)
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usage
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;;
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esac
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done
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if [ ${STD} = "yes" ]
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then
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DEVICES=${STD_DEVICES}
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elif [ ${RAMDISK} = "yes" ]
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then
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DEVICES=${RAMDISK_DEVICES}
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else
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while [ $OPTIND -gt 1 ]
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do
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shift
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OPTIND=$((${OPTIND} - 1))
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done
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while [ ! -z "$1" ]
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do
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DEVICES="${DEVICES} $1"
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shift
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done
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fi
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for dev in ${DEVICES}
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do
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# Reset the defaults
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uname=root
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gname=operator
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permissions=600
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case ${dev} in
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c0*) major=3 ;;
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c1*) major=8 ;;
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c2*) major=10 ;;
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c3*) major=12 ;;
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vnd*) # Whole vnode disk devices.
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disk=`expr ${dev} : '...\\(.\\)'`
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major=`expr ${disk} + 56`
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;;
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esac
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# The following is lexicographicaly ordered
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case ${dev} in
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audio|mixer)
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# Audio devices.
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makedev audio c 13 0 ${uname} ${gname} 666
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makedev mixer c 13 1 ${uname} ${gname} 666
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;;
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bmp085b[1-3]s77)
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# Weather Cape: temperature & pressure sensor
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bus=`expr ${dev} : 'bmp085b\\(.*\\)s77'` #bus number
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major=`expr ${bus} + 52`
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makedev bmp085b${bus}s77 c ${major} 0 ${uname} ${gname} 444
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;;
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c[0-3]d[0-7])
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# Whole disk devices.
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disk=`expr ${dev} : '...\\(.\\)'`
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minor=`expr ${disk} '*' 5`
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makedev ${dev} b ${major} ${minor} ${uname} ${gname} ${permissions}
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;;
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c[0-3]d[0-7]p[0-3])
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# Disk primary partitions.
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prefix=`expr ${dev} : '\\(.*\\).'`
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disk=`expr ${dev} : '...\\(.\\)'`
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for p in 0 1 2 3
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do
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minor=`expr ${disk} '*' 5 + 1 + ${p}`
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makedev ${prefix}${p} b ${major} ${minor} \
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${uname} ${gname} ${permissions}
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done
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;;
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c[0-3]d[0-7]p[0-3]s[0-3])
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# Disk subpartition.
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prefix=`expr ${dev} : '\\(.*\\)...'`
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disk=`expr ${dev} : '...\\(.\\)'`
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for p in 0 1 2 3
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do
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for s in 0 1 2 3
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do
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minor=`expr 128 + ${disk} '*' 16 + ${p} '*' 4 + ${s}`
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makedev ${prefix}${p}s${s} b ${major} ${minor} \
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${uname} ${gname} ${permissions}
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done
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done
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;;
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c[0-3]t[0-7]|c[0-3]t[0-7]n)
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# Tape devices.
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prefix=`expr ${dev} : '\\(....\\)'`
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tape=`expr ${dev} : '...\\(.\\)'`
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minor=`expr 64 + ${tape} '*' 2`
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makedev ${prefix}n c ${major} ${minor} ${uname} ${gname} 660
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makedev ${prefix} c ${major} `expr ${minor} + 1` ${uname} ${gname} 660
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;;
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console|lp|tty|log|video)
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# Console, line printer, anonymous tty, diagnostics device, video.
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makedev console c 4 0 ${uname} tty ${permissions}
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makedev tty c 5 0 ${uname} ${gname} 666
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makedev lp c 6 0 daemon daemon 200
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makedev log c 4 15 ${uname} ${gname} 222
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makedev video c 4 125 ${uname} ${gname} ${permissions}
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;;
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eepromb[1-3]s5[0-7])
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# cat24c256 driver
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bus=`expr ${dev} : 'eepromb\\(.*\\)s'`
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# configurable part of slave addr
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slave_low=`expr ${dev} : 'eepromb.s5\\(.*\\)'`
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major=`expr ${bus} '*' 8 + ${slave_low} + 17`
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makedev eepromb${bus}s5${slave_low} b ${major} 0 ${uname} ${gname} ${permissions}
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;;
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eth|ip|tcp|udp|eth0|ip0|tcp0|udp0)
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# TCP/IP devices.
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makedev ipstat c 7 0 ${uname} ${gname} 666
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makedev eth0 c 7 1 ${uname} ${gname} ${permissions}
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makedev ip0 c 7 2 ${uname} ${gname} ${permissions}
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makedev tcp0 c 7 3 ${uname} ${gname} 666
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makedev udp0 c 7 4 ${uname} ${gname} 666
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# Default interface
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makedev eth c 7 1 ${uname} ${gname} ${permissions}
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makedev ip c 7 2 ${uname} ${gname} ${permissions}
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makedev tcp c 7 3 ${uname} ${gname} 666
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makedev udp c 7 4 ${uname} ${gname} 666
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;;
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fb0)
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# Framebuffer driver
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makedev ${dev} c 19 0 ${uname} ${gname} 644
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;;
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fbd)
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# Faulty block device driver
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makedev ${dev} b 14 0 ${uname} ${gname} ${permissions}
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;;
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fd[0-3])
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# Floppy disk drive N has minor N.
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minor=`expr ${dev} : '..\\(.\\)'`
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makedev ${dev} b 2 ${minor} ${uname} ${gname} 666
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;;
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fd[0-3]p[0-3])
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# Floppy disk partitions.
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prefix=`expr ${dev} : '\\(.*\\).'`
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drive=`expr ${dev} : '..\\(.\\)'`
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for p in 0 1 2 3
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do
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minor=`expr 112 + ${drive} + ${p} '*' 4`
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makedev ${prefix}${p} b 2 ${minor} \
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${uname} ${gname} 666
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done
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;;
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filter)
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# Filter driver
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makedev ${dev} b 11 0 ${uname} ${gname} ${permissions}
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;;
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hello)
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# Hello driver
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makedev ${dev} c 17 0 ${uname} ${gname} 644
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;;
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i2c-[1-3])
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# i2c driver
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bus=`expr ${dev} : '....\\(.*\\)'` # bus number
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# least significant digit of major
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major_low=`expr ${dev} : '....\\(.*\\)'`
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major_low=`expr ${major_low} - 1`
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makedev "i2c-${bus}" c 2${major_low} 0 ${uname} ${gname} ${permissions}
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;;
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input)
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# Input server
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makedev kbdmux c 64 0 ${uname} ${gname} ${permissions}
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makedev mousemux c 64 64 ${uname} ${gname} ${permissions}
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for n in 0 1 2 3
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do
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minor_keyboard=`expr ${n} + 1`
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minor_mouse=`expr ${n} + 65`
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makedev kbd${n} c 64 ${minor_keyboard} ${uname} ${gname} ${permissions}
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makedev mouse${n} c 64 ${minor_mouse} ${uname} ${gname} ${permissions}
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done
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;;
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klog)
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# Logging device.
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makedev ${dev} c 15 0 ${uname} ${gname} ${permissions}
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;;
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pc[0-3]|at[0-3]|qd[0-3]|ps[0-3]|pat[0-3]|qh[0-3]|PS[0-3])
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# Obsolete density locked floppy disk drive n.
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drive=`expr ${dev} : '.*\\(.\\)'`
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minor=${drive}
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for prefix in pc at qd ps pat qh PS
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do
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makedev ${prefix}${drive} b 2 ${minor} \
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${uname} ${gname} 666
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minor=`expr ${minor} + 4`
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done
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;;
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pci)
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# PCI server, manages PCI buses
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makedev pci c 134 0 ${uname} ${gname} ${permissions}
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;;
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ram|mem|kmem|null|boot|zero|imgrd)
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# Memory devices.
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makedev ram b 1 0 ${uname} kmem ${permissions}
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makedev mem c 1 1 ${uname} kmem 640
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makedev kmem c 1 2 ${uname} kmem 640
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makedev null c 1 3 ${uname} kmem 666
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makedev boot b 1 4 ${uname} kmem ${permissions}
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makedev zero c 1 5 ${uname} kmem 644
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makedev imgrd b 1 6 ${uname} kmem ${permissions}
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for n in 0 1 2 3 4 5
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do
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minor=`expr ${n} + 7`
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makedev ram${n} b 1 ${minor} ${uname} kmem ${permissions}
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done
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;;
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random|urandom)
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# Random data generator.
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makedev random c 16 0 ${uname} ${gname} 644
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makedev urandom c 16 0 ${uname} ${gname} 644
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;;
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sht21b[1-3]s40)
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# Weather Cape: relative humidity & temperature sensor
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bus=`expr ${dev} : 'sht21b\\(.*\\)s40'`
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major=`expr ${bus} + 49`
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makedev sht21b${bus}s40 c ${major} 0 ${uname} ${gname} 444
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;;
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tsl2550b[1-3]s39)
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# Weather Cape: ambient light sensor
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bus=`expr ${dev} : 'tsl2550b\\(.*\\)s39'`
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major=`expr ${bus} + 46`
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makedev tsl2550b${bus}s39 c ${major} 0 ${uname} ${gname} 444
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;;
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tty0[0-3])
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# Serial lines.
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line=`expr ${dev} : '.*\\(.\\)'`
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minor=`expr ${line} + 16`
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makedev ${dev} c 4 ${minor} ${uname} tty 666
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;;
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tty[p-s][0-9a-f]|pty[p-s][0-9a-f])
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# Pseudo ttys.
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dev=`expr ${dev} : '...\\(..\\)'`
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group=`expr ${dev} : '\\(.\\)'`
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group=`echo ${group} | tr 'pqrs' '0123'`
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pty=`expr ${dev} : '.\\(.\\)'`
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case ${pty} in
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[a-f]) pty=1`/bin/echo ${pty} | tr 'abcdef' '012345'`
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esac
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minor_tty=`expr ${group} '*' 16 + ${pty} + 128`
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minor_pty=`expr ${group} '*' 16 + ${pty} + 192`
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makedev tty${dev} c 9 ${minor_tty} ${uname} tty 666
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makedev pty${dev} c 9 ${minor_pty} ${uname} tty 666
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;;
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ttyc[1-7])
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# Virtual consoles.
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minor=`expr ${dev} : '....\\(.*\\)'`
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makedev ${dev} c 4 ${minor} ${uname} tty ${permissions}
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;;
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uds)
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# Unix domain sockets device
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makedev ${dev} c 18 0 ${uname} ${gname} 666
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;;
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vnd[0-7])
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# Whole vnode disk devices.
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makedev ${dev} b ${major} 0 ${uname} ${gname} ${permissions}
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;;
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vnd[0-7]p[0-3])
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# Vnode disk primary partitions.
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prefix=`expr ${dev} : '\\(.*\\).'`
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disk=`expr ${dev} : '...\\(.\\)'`
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for p in 0 1 2 3
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do
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minor=`expr 1 + ${p}`
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makedev ${prefix}${p} b ${major} ${minor} \
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${uname} ${gname} ${permissions}
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done
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;;
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vnd[0-7]p[0-3]s[0-3])
|
|
# Vnode disk subpartition.
|
|
prefix=`expr ${dev} : '\\(.*\\)...'`
|
|
disk=`expr ${dev} : '...\\(.\\)'`
|
|
|
|
for p in 0 1 2 3
|
|
do
|
|
for s in 0 1 2 3
|
|
do
|
|
minor=`expr 128 + ${p} '*' 4 + ${s}`
|
|
|
|
makedev ${prefix}${p}s${s} b ${major} ${minor} \
|
|
${uname} ${gname} ${permissions}
|
|
done
|
|
done
|
|
;;
|
|
*)
|
|
echo "$0: don't know about ${dev}" >&2
|
|
EXIT=1
|
|
esac
|
|
done
|
|
|
|
exit $EXIT
|