INSTALL revision 1.7
11.7Saugustss#	$NetBSD: INSTALL,v 1.7 2001/11/13 17:54:48 augustss Exp $
21.1Schris#
31.1Schris#	CATSINST -- CHALTECH CATS Install kernel
41.1Schris#
51.1Schris
61.2Schrisinclude	"arch/cats/conf/std.cats"
71.1Schris
81.1Schris# estimated number of users
91.1Schris
101.1Schrismaxusers	8
111.1Schris
121.1Schris# Standard system options
131.1Schris
141.1Schris#options 	UCONSOLE	# users can use TIOCCONS (for xconsole)
151.1Schrisoptions 	INSECURE	# disable kernel securelevel
161.1Schris
171.1Schrisoptions 	RTC_OFFSET=0	# hardware clock is this many mins. west of GMT
181.1Schris#options 	NTP		# NTP phase/frequency locked loop
191.1Schris
201.1Schris# CPU options
211.1Schris
221.1Schris# For StrongARM systems
231.1Schrisoptions 	CPU_SA110	# Support the SA110 core
241.1Schrismakeoptions	COPTS="-Os -march=armv4 -mtune=strongarm" # optimise for space
251.1Schris
261.1Schris# Architecture options
271.1Schrisoptions 	FOOTBRIDGE	# We have DC21285 'Footbridge' core logic
281.1Schris
291.1Schris# FPA options
301.1Schris
311.1Schris#options 	ARMFPE		# ARM Ltd FPE
321.1Schris
331.1Schris# File systems
341.1Schris
351.1Schrisfile-system	FFS		# UFS
361.1Schris#file-system	LFS		# log-structured file system
371.1Schrisfile-system	MFS		# memory file system
381.1Schrisfile-system	NFS		# Network file system
391.1Schris#file-system 	ADOSFS		# AmigaDOS-compatible file system
401.1Schris#file-system 	EXT2FS		# second extended file system (linux)
411.1Schrisfile-system	CD9660		# ISO 9660 + Rock Ridge file system
421.1Schrisfile-system	MSDOSFS		# MS-DOS file system
431.1Schris#file-system	FDESC		# /dev/fd
441.1Schrisfile-system	KERNFS		# /kern
451.1Schris#file-system	NULLFS		# loopback file system
461.1Schris#file-system 	OVERLAY		# overlay filesystem
471.1Schris#file-system	PORTAL		# portal filesystem (still experimental)
481.1Schris#file-system	PROCFS		# /proc
491.1Schris#file-system	UMAPFS		# NULLFS + uid and gid remapping
501.1Schris#file-system	UNION		# union file system
511.1Schris#file-system	CODA		# Coda File System; also needs vcode (below)
521.1Schris
531.1Schris# File system options
541.1Schris#options 	QUOTA		# UFS quotas
551.1Schris#options 	FFS_EI		# FFS Endian Independant support
561.1Schris#options 	NFSSERVER
571.1Schris#options 	SOFTDEP		# FFS soft updates support
581.1Schrisoptions 	VNODE_OP_NOINLINE # Save space by not inlining vnode op calls
591.1Schris
601.1Schris# Networking options
611.1Schris
621.1Schris#options 	GATEWAY		# packet forwarding
631.1Schrisoptions 	INET		# IP + ICMP + TCP + UDP
641.1Schrisoptions 	INET6		# IPV6
651.1Schris#options 	IPSEC		# IP security
661.1Schris#options 	IPSEC_ESP	# IP security (encryption part; define w/ IPSEC)
671.1Schris#options 	IPSEC_DEBUG	# debug for IP security
681.1Schris#options 	MROUTING	# IP multicast routing
691.1Schris#options 	NS		# XNS
701.1Schris#options 	NSIP		# XNS tunneling over IP
711.1Schris#options 	ISO,TPIP	# OSI
721.1Schris#options 	EON		# OSI tunneling over IP
731.1Schris#options 	CCITT,LLC,HDLC	# X.25
741.1Schris#options 	NETATALK	# AppleTalk networking
751.1Schris#options 	PFIL_HOOKS	# pfil(9) packet filter hooks
761.1Schris#options 	PPP_BSDCOMP	# BSD-Compress compression support for PPP
771.1Schris#options 	PPP_DEFLATE	# Deflate compression support for PPP
781.1Schris#options 	PPP_FILTER	# Active filter support for PPP (requires bpf)
791.6Sabs#options 	TCP_DEBUG	# Record last TCP_NDEBUG packets with SO_DEBUG
801.1Schris
811.1Schrisoptions 	NFS_BOOT_BOOTP
821.1Schrisoptions 	NFS_BOOT_DHCP
831.1Schris#options 	NFS_BOOT_BOOTPARAM
841.1Schris
851.1Schris# Compatibility options
861.1Schris
871.1Schris#options 	COMPAT_43	# 4.3BSD compatibility.
881.1Schrisoptions 	COMPAT_14	# NetBSD 1.4 compatibility.
891.1Schrisoptions 	COMPAT_13	# NetBSD 1.3 compatibility.
901.1Schris#options 	COMPAT_12	# NetBSD 1.2 compatibility.
911.1Schris#options 	COMPAT_11	# NetBSD 1.1 compatibility.
921.1Schris#options 	COMPAT_10	# NetBSD 1.0 compatibility.
931.1Schris#options 	COMPAT_09	# NetBSD 0.9 compatibility.
941.6Sabs#options 	TCP_COMPAT_42	# 4.2BSD TCP/IP bug compat. Not recommended.
951.1Schris
961.1Schris# Shared memory options
971.1Schris
981.1Schris#options 	SYSVMSG		# System V-like message queues
991.1Schris#options 	SYSVSEM		# System V-like semaphores
1001.1Schris#options 	SYSVSHM		# System V-like memory sharing
1011.1Schris#options 	SHMMAXPGS=1024	# 1024 pages is the default
1021.1Schris
1031.1Schris# Device options
1041.1Schris
1051.1Schrisoptions 	MEMORY_DISK_HOOKS	# boottime setup of ramdisk
1061.1Schris#options 	MEMORY_DISK_SIZE=0	# Size in blocks
1071.1Schrisoptions 	MINIROOTSIZE=3800	# Size in blocks
1081.1Schrisoptions 	MEMORY_DISK_IS_ROOT	# use memory disk as root
1091.1Schrisoptions 	MEMORY_DISK_SERVER=0	# no userspace memory disk support
1101.1Schris
1111.1Schris# Miscellaneous kernel options
1121.1Schris#options 	KTRACE		# system call tracing, a la ktrace(1)
1131.1Schris#options 	IRQSTATS	# manage IRQ statistics
1141.1Schris#options 	LKM		# loadable kernel modules
1151.1Schris#options 	KMEMSTATS	# kernel memory statistics
1161.1Schris#options 	SCSIVERBOSE	# Verbose SCSI errors
1171.1Schris#options 	PCIVERBOSE	# Verbose PCI descriptions
1181.1Schris#options 	MIIVERBOSE	# verbose PHY autoconfig messages
1191.1Schris#options 	PCI_CONFIG_DUMP	# verbosely dump PCI config space
1201.1Schris#options 	USBVERBOSE	# verbose USB device autoconfig messages
1211.1Schris#options 	DDB_KEYCODE=0x40
1221.1Schrisoptions		PMAP_STATIC_L1S=128
1231.1Schris
1241.1Schris# wscons options
1251.1Schris#options 	WSEMUL_SUN		# sun terminal emulation
1261.1Schrisoptions 	WSEMUL_VT100		# VT100 / VT220 emulation
1271.1Schris# different kernel output - see dev/wscons/wsdisplayvar.h
1281.1Schrisoptions 	WS_KERNEL_FG=WSCOL_GREEN
1291.1Schrisoptions 	WSDISPLAY_COMPAT_PCVT		# emulate some ioctls
1301.1Schrisoptions 	WSDISPLAY_COMPAT_SYSCONS	# emulate some ioctls
1311.1Schrisoptions 	WSDISPLAY_COMPAT_USL		# VT handling
1321.1Schrisoptions 	WSDISPLAY_COMPAT_RAWKBD		# can get raw scancodes
1331.1Schris# see dev/wscons/wskbdmap_mfii.h for implemented layouts
1341.1Schris#options 	PCKBD_LAYOUT="(KB_DE | KB_NODEAD)"
1351.1Schris
1361.1Schris# Development and Debugging options
1371.1Schris
1381.1Schris#options 	ARM700BUGTRACK	# track the ARM700 swi bug
1391.1Schris#options 	PORTMASTER	# Enable PortMaster only options
1401.1Schris#options 	DIAGNOSTIC	# internally consistency checks
1411.1Schris#options  	PMAP_DEBUG	# Enable pmap_debug_level code
1421.1Schris#options 	IPKDB		# remote kernel debugging
1431.1Schrisoptions 	DDB		# in-kernel debugger
1441.1Schrisoptions 	DDB_HISTORY_SIZE=100	# Enable history editing in DDB
1451.1Schris#makeoptions	DEBUG="-g"	# compile full symbol table
1461.1Schris
1471.1Schrisconfig		netbsd	root on ? type ?
1481.1Schris
1491.1Schris# The main bus device
1501.1Schrismainbus0 at root
1511.1Schris
1521.1Schris# The boot cpu
1531.1Schriscpu0 at mainbus?
1541.1Schris
1551.1Schris# Core logic
1561.1Schrisfootbridge0	at mainbus?
1571.1Schris
1581.1Schris# footbridge uart
1591.1Schrisfcom0	at footbridge?
1601.1Schris
1611.1Schris# system clock via footbridge
1621.1Schris#clock*	at footbridge?
1631.1Schris
1641.1Schris# time-of-day device via footbridge or RTC
1651.1Schristodclock0	at todservice?
1661.1Schris
1671.1Schris# PCI bus support
1681.1Schris# PCI bus via footbridge
1691.1Schrispci0	at footbridge?			# PCI bus
1701.1Schris
1711.1Schrispci*	at ppb? bus ?
1721.1Schris
1731.1Schris# PCI bridges
1741.1Schrisppb*	at pci? dev ? function ?	# PCI-PCI bridges
1751.1Schris# XXX 'puc's aren't really bridges, but there's no better place for them here
1761.1Schris#puc*	at pci? dev ? function ?	# PCI "universal" comm. cards
1771.1Schris
1781.1Schris# PCI serial interfaces
1791.1Schris#com*	at puc? port ?			# 16x50s on "universal" comm boards
1801.1Schris#cy*	at pci? dev ? function ?	# Cyclades Cyclom-Y serial boards
1811.1Schris
1821.1Schris# PCI parallel printer interfaces
1831.1Schris#lpt*	at puc? port ?			# || ports on "universal" comm boards
1841.1Schris
1851.1Schris# PCI SCSI Controllers and Buses
1861.1Schrisadv*	at pci? dev ? function ?	# AdvanSys 1200[A,B], ULTRA SCSI
1871.1Schrisscsibus* at adv?
1881.1Schris#adw*	at pci? dev ? function ?	# AdvanSys 9xxUW SCSI
1891.1Schris#scsibus* at adw?
1901.1Schrisahc*	at pci? dev ? function ?	# Adaptec [23]94x, aic78x0 SCSI controllers
1911.1Schrisscsibus* at ahc?
1921.1Schris#bha*	at pci? dev ? function ?	# BusLogic 9xx SCSI
1931.1Schris#scsibus* at bha?
1941.4Stsutsuiiha*	at pci? dev ? function ?	# Initio INIC-940/950 SCSI
1951.4Stsutsuiscsibus* at iha?
1961.1Schrisisp*	at pci? dev ? function ?	# Qlogic ISP 10x0 SCSI controllers
1971.1Schrisscsibus* at isp?
1981.1Schrispcscp*	at pci? dev ? function ?	# AMD 53c974 PCscsi-PCI SCSI
1991.1Schrisscsibus* at pcscp?
2001.1Schrissiop*	at pci? dev ? function ?	# NCR 53c8xx SCSI
2011.1Schrisscsibus* at siop?
2021.1Schris
2031.1Schris# SCSI devices
2041.1Schrissd*	at scsibus? target ? lun ?	# SCSI disk drives
2051.1Schrisst*	at scsibus? target ? lun ?	# SCSI tape drives
2061.1Schriscd*	at scsibus? target ? lun ?	# SCSI CD-ROM drives
2071.1Schris#ch*	at scsibus? target ? lun ?	# SCSI auto-changers
2081.1Schris#uk*	at scsibus? target ? lun ?	# SCSI unknown device
2091.1Schris#ss*	at scsibus? target ? lun ?	# SCSI scanner
2101.1Schris
2111.1Schris# PCI IDE Controllers and Devices
2121.1Schris# PCI IDE controllers - see pciide(4) for supported hardware.
2131.1Schris# The 0x0001 flag force the driver to use DMA, even if the driver doesn't know
2141.1Schris# how to set up DMA modes for this chip. This may work, or may cause
2151.1Schris# a machine hang with some controllers.
2161.1Schrispciide* at pci? dev ? function ? flags 0x0000
2171.1Schris
2181.1Schris# IDE drives
2191.1Schris# Flags are used only with controllers that support DMA operations
2201.1Schris# and mode settings (e.g. some pciide controllers)
2211.1Schris# The lowest order four bits (rightmost digit) of the flags define the PIO
2221.1Schris# mode to use, the next set of four bits the DMA mode and the third set the
2231.1Schris# UltraDMA mode. For each set of four bits, the 3 lower bits define the mode
2241.1Schris# to use, and the last bit must be 1 for this setting to be used.
2251.1Schris# For DMA and UDMA, 0xf (1111) means 'disable'.
2261.1Schris# 0x0fac means 'use PIO mode 4, DMA mode 2, disable UltraDMA'.
2271.1Schris# (0xc=1100, 0xa=1010, 0xf=1111)
2281.1Schris# 0x0000 means "use whatever the drive claims to support".
2291.1Schriswd*	at pciide? channel ? drive ? flags 0x0000	# the drives themselves
2301.1Schris
2311.1Schris# ATAPI bus support
2321.1Schrisatapibus* at pciide? channel ?
2331.1Schris
2341.1Schris# ATAPI devices
2351.1Schriscd*	at atapibus? drive ? flags 0x0000	# ATAPI CD-ROM drives
2361.1Schrissd*	at atapibus? drive ? flags 0x0000	# ATAPI disk drives
2371.1Schris#uk*	at atapibus? drive ? flags 0x0000	# ATAPI unknown
2381.1Schris
2391.1Schris# PCI network interfaces
2401.1Schrisde*	at pci? dev ? function ?	# DC21X4X-based ethernet cards
2411.1Schris#en*	at pci? dev ? function ?	# ENI/Adaptec ATM
2421.1Schris#ep*	at pci? dev ? function ?	# 3C590 ethernet cards
2431.1Schrisex*	at pci? dev ? function ?	# 3Com 90x[B]
2441.3Stsutsuiepic*	at pci? dev ? function ?	# SMC EPIC/100 Ethernet
2451.1Schris#esh*	at pci? dev ? function ?	# Essential HIPPI card
2461.1Schris#fpa*	at pci? dev ? function ?	# DEC DEFPA FDDI
2471.3Stsutsuifxp*	at pci? dev ? function ?	# Intel EtherExpress PRO 10+/100B
2481.1Schris#le*	at pci? dev ? function ?	# PCnet-PCI Ethernet
2491.1Schrisne*	at pci? dev ? function ?	# NE2000 compat ethernet
2501.1Schris#ntwoc*	at pci? dev ? function ?	# Riscom/N2 PCI Sync Serial
2511.3Stsutsuisip*	at pci? dev ? function ?	# SiS 900 Ethernet
2521.1Schris#tl*	at pci? dev ? function ?	# ThunderLAN-based Ethernet
2531.3Stsutsuitlp*	at pci? dev ? function ?	# DECchip 21x4x (and clones) Ethernet
2541.1Schris#options 	TLP_MATCH_21040
2551.1Schris#options 	TLP_MATCH_21041
2561.1Schris#options 	TLP_MATCH_21140
2571.1Schris#options 	TLP_MATCH_21142
2581.1Schrisvr*	at pci? dev ? function ?	# VIA Rhine Fast Ethernet
2591.1Schris#lmc*	at pci? dev ? function ?	# Lan Media Corp SSI/HSSI/DS3
2601.1Schrisrtk*	at pci? dev ? function ?	# Realtek 8129/8139
2611.1Schris
2621.1Schris# MII/PHY support
2631.1Schrisexphy*	at mii? phy ?			# 3Com internal PHYs
2641.1Schris#icsphy* at mii? phy ?			# Integrated Circuit Systems ICS1890
2651.3Stsutsuiinphy*	at mii? phy ?			# Intel 82555 PHYs
2661.1Schris#iophy*	at mii? phy ?			# Intel 82553 PHYs
2671.1Schris#lxtphy*	at mii? phy ?			# Level One LXT-970 PHYs
2681.1Schrisnsphy*	at mii? phy ?			# NS83840 PHYs
2691.1Schris#nsphyter* at mii? phy ?		# NS83843 PHYs
2701.3Stsutsuiqsphy*	at mii? phy ?			# Quality Semiconductor QS6612 PHYs
2711.1Schris#sqphy*	at mii? phy ?			# Seeq 80220/80221/80223 PHYs
2721.1Schris#tlphy*	at mii? phy ?			# ThunderLAN PHYs
2731.1Schris#tqphy*	at mii? phy ?			# TDK Semiconductor PHYs
2741.1Schrisukphy*	at mii? phy ?			# generic unknown PHYs
2751.1Schris
2761.1Schris# USB Controller and Devices
2771.1Schris
2781.1Schris# PCI USB controllers
2791.1Schris#uhci*	at pci?				# Universal Host Controller (Intel)
2801.1Schrisohci*	at pci?				# Open Host Controller
2811.1Schris
2821.1Schris# USB bus support
2831.1Schris#usb*	at uhci?
2841.1Schrisusb*	at ohci?
2851.1Schris
2861.1Schris# USB Hubs
2871.1Schrisuhub*	at usb?
2881.1Schrisuhub*	at uhub? port ? configuration ? interface ?
2891.1Schris
2901.1Schris# USB Mice
2911.1Schrisums*	at uhub? port ? configuration ? interface ?
2921.1Schriswsmouse*	at ums?
2931.1Schris
2941.1Schris# USB Keyboards
2951.1Schrisukbd*	at uhub? port ? configuration ? interface ?
2961.1Schriswskbd*	at ukbd? console ?
2971.1Schris
2981.1Schris# USB Generic HID devices
2991.1Schris#uhid*	at uhub? port ? configuration ? interface ?
3001.1Schris
3011.1Schris# USB Printer
3021.1Schris#ulpt*	at uhub? port ? configuration ? interface ?
3031.1Schris
3041.1Schris# USB Modem
3051.1Schris#umodem*	at uhub? port ? configuration ?
3061.1Schris#ucom*	at umodem?
3071.1Schris
3081.1Schris# USB Mass Storage
3091.1Schrisumass*	at uhub? port ? configuration ? interface ?
3101.1Schrisatapibus* at umass? channel ?
3111.1Schrisscsibus* at umass? channel ?
3121.1Schris
3131.1Schris# USB audio
3141.1Schris#uaudio*	at uhub? port ? configuration ?
3151.1Schris#audio*	at uaudio?
3161.1Schris
3171.1Schris# USB Ethernet adapters
3181.1Schrisaue*	at uhub? port ?		# ADMtek AN986 Pegasus based adapters
3191.1Schriscue*	at uhub? port ?		# CATC USB-EL1201A based adapters
3201.1Schriskue*	at uhub? port ?		# Kawasaki LSI KL5KUSB101B based adapters
3211.1Schris
3221.1Schris# USB Generic driver
3231.1Schris#ugen* at uhub? port ?
3241.1Schris
3251.1Schris# Audio Devices
3261.1Schris
3271.1Schris# PCI audio devices
3281.1Schris#eap*	at pci? dev ? function ?	# Ensoniq AudioPCI
3291.1Schris#sv*	at pci? dev ? function ?	# S3 SonicVibes
3301.1Schris
3311.1Schris# Audio support
3321.1Schris#audio*	at eap?
3331.1Schris#audio*	at sv?
3341.1Schris
3351.1Schrisvga*		at pci?
3361.1Schriswsdisplay*	at vga? console ?
3371.1Schris
3381.1Schris# ISA bus bridging
3391.1Schris
3401.1Schrispcib*	at pci? dev ? function ?	# PCI-ISA bridge
3411.1Schrisisa*	at pcib?			# ISA bus
3421.1Schris
3431.1Schris# ISA Plug-and-Play bus support
3441.1Schrisisapnp0	at isa?
3451.1Schris
3461.1Schris# wscons
3471.1Schrispckbc0	at isa?			# pc keyboard controller
3481.1Schrispckbd*	at pckbc?		# PC keyboard
3491.1Schrispms*		at pckbc?		# PS/2 mouse for wsmouse
3501.1Schrispmsi*		at pckbc?	# PS/2 "Intelli"mouse for wsmouse
3511.1Schriswskbd*		at pckbd? console ?
3521.1Schriswsmouse*	at pms?
3531.1Schriswsmouse*	at pmsi?
3541.1Schris
3551.1Schrispcppi0	at isa?
3561.1Schrissysbeep0	at pcppi?
3571.1Schris
3581.1Schris# ISA Plug-and-Play serial interfaces
3591.1Schriscom*	at isapnp?			# Modems and serial boards
3601.1Schris
3611.1Schris# ISA Plug-and-Play network interfaces
3621.1Schrisep*	at isapnp?			# 3Com 3c509 Ethernet
3631.1Schris
3641.1Schris# ISA serial interfaces
3651.1Schriscom0	at isa? port 0x3f8 irq 4	# Standard PC serial ports
3661.1Schriscom1	at isa? port 0x2f8 irq 3
3671.1Schris#com2	at isa? port 0x3e8 irq 9
3681.1Schris#com3	at isa? port 0x2e8 irq 10
3691.1Schris
3701.1Schris# ISA parallel printer interfaces
3711.1Schrislpt0	at isa? port 0x378 irq 7	# standard PC parallel ports
3721.1Schrislpt1	at isa? port 0x278 irq 5
3731.1Schris#lpt2	at isa? port 0x3bc
3741.1Schris
3751.1Schris# ISA floppy
3761.1Schris#fdc0	at isa? port 0x3f0 irq 6 drq 2	# standard PC floppy controllers
3771.1Schris#fdc1	at isa? port 0x370 irq ? drq ?
3781.1Schris#fd*	at fdc? drive ?			# the drives themselves
3791.1Schris
3801.1Schris# ISA network interface
3811.1Schris#ne0	at isa? port 0x280 irq 9
3821.1Schris#ne1	at isa? port 0x300 irq 10
3831.1Schris#ep*	at isa? port ? irq ?
3841.1Schris
3851.1Schris# The spkr driver provides a simple tone interface to the built in speaker.
3861.1Schrisspkr0	at pcppi?			# PC speaker
3871.1Schris
3881.1Schrisdsrtc0	at isa? port 0x72		# Dallas RTC
3891.1Schris
3901.1Schris# ISA Plug-and-Play audio devices
3911.1Schris#ess*	at isapnp?			# ESS Tech ES1887, ES1888, ES888 audio
3921.1Schris#sb*	at isapnp?			# SoundBlaster-compatible audio
3931.1Schris#wss*	at isapnp?			# Windows Sound System
3941.1Schris
3951.1Schris# OPL[23] FM syntheziers
3961.1Schris#opl*	at ess?
3971.1Schris#opl*	at sb?
3981.1Schris
3991.1Schris# Audio support
4001.1Schris#audio*	at ess?
4011.1Schris#audio*	at sb?
4021.1Schris#audio*	at wss?
4031.1Schris
4041.1Schris# MPU 401 UARTs
4051.1Schris#mpu*	at sb?
4061.1Schris
4071.1Schris# MIDI support
4081.1Schris#midi*	at pcppi?		# MIDI interface to the PC speaker
4091.1Schris#midi*	at sb?			# SB MPU401 port
4101.1Schris#midi*	at opl?			# OPL FM synth
4111.1Schris#midi*	at mpu?			# MPU 401
4121.1Schris
4131.1Schris# Joysticks
4141.1Schris
4151.1Schris# ISA Plug-and-Play joysticks
4161.1Schris#joy*	at isapnp?			# Game ports (usually on audio cards)
4171.1Schris
4181.1Schris# ISA joysticks. Probe is a little strange; add only if you have one.
4191.1Schris#joy0	at isa? port 0x201
4201.1Schris
4211.1Schris# Pseudo-Devices
4221.1Schris
4231.1Schris# disk/mass storage pseudo-devices
4241.1Schrispseudo-device	ccd		2	# concatenated/striped disk devices
4251.1Schrispseudo-device	md		1	# memory disk device (ramdisk)
4261.1Schris#pseudo-device	vnd		4	# disk-like interface to files
4271.1Schris
4281.1Schris# network pseudo-devices
4291.1Schrispseudo-device	bpfilter	4	# Berkeley packet filter
4301.1Schris#pseudo-device	ipfilter		# IP filter (firewall) and NAT
4311.1Schrispseudo-device	loop			# network loopback
4321.1Schrispseudo-device	ppp		2	# Point-to-Point Protocol
4331.1Schrispseudo-device	sl		2	# Serial Line IP
4341.1Schris#pseudo-device	strip		2	# Starmode Radio IP (Metricom)
4351.1Schris#pseudo-device	tun		2	# network tunneling over tty
4361.1Schris
4371.1Schris# miscellaneous pseudo-devices
4381.1Schrispseudo-device	pty			# pseudo-terminals
4391.1Schris#pseudo-device	tb		1	# tablet line discipline
4401.1Schris#pseudo-device	sequencer	1	# MIDI sequencer
4411.1Schris#pseudo-device	rnd			# /dev/random and in-kernel generator
4421.1Schris#options 	RND_COM			# use "com" randomness as well (BROKEN)
4431.1Schris#pseudo-device	vcoda		4	# coda minicache <-> venus comm.
4441.1Schris
4451.1Schris# mouse & keyboard multiplexor pseudo-devices
4461.7Saugustsspseudo-device	wsmux
4471.1Schris
4481.1Schris# for IPv6
4491.1Schris#pseudo-device	gif		4	# IPv[46] over IPv[46] tunnel (RFC1933)
4501.1Schris#pseudo-device	faith		1	# IPv[46] tcp relay translation i/f
451