GENERIC_TINY revision 1.69
1#	$NetBSD: GENERIC_TINY,v 1.69 2004/07/15 03:53:47 atatat Exp $
2#
3#	GENERIC_TINY -- suitable default for 4M machines
4#			No EISA, PCI, or SCSI.
5#
6
7include "arch/i386/conf/std.i386"
8
9#options 	INCLUDE_CONFIG_FILE	# embed config file in kernel binary
10
11makeoptions	COPTS="-Os"
12
13maxusers	8		# estimated number of users
14
15# CPU support.  At least one is REQUIRED.
16options 	I386_CPU
17options 	I486_CPU
18options 	I586_CPU
19options 	I686_CPU
20
21# CPU-related options.
22options 	MATH_EMULATE	# floating point emulation
23#options 	VM86		# virtual 8086 emulation
24#options 	USER_LDT	# user-settable LDT; used by WINE
25# insert delay no-ops in interrupts; recommended on very old machines
26options 	PIC_DELAY
27
28# This option allows you to force a serial console at the specified
29# I/O address.   see console(4) for details.
30#options 	CONSDEVNAME="\"com\""
31
32# The following options override the memory sizes passed in from the boot
33# block.  Use them *only* if the boot block is unable to determine the correct
34# values.  Note that the BIOS may *correctly* report less than 640k of base
35# memory if the extended BIOS data area is located at the top of base memory
36# (as is the case on most recent systems).
37#options 	REALBASEMEM=...	# size of base memory
38#options 	REALEXTMEM=...	# size of extended memory
39
40# Save a physical page per process by not setting a kernel stack red zone.
41options 	NOREDZONE
42
43# Standard system options
44
45options 	INSECURE	# disable kernel security levels - X needs this
46
47options 	RTC_OFFSET=0	# hardware clock is this many mins. west of GMT
48#options 	NTP		# NTP phase/frequency locked loop
49
50#options 	KTRACE		# system call tracing via ktrace(1)
51
52#options 	SYSVMSG		# System V-like message queues
53#options 	SYSVSEM		# System V-like semaphores
54#options 	SYSVSHM		# System V-like memory sharing
55#options 	SHMMAXPGS=2048	# 2048 pages is the default
56#options 	P1003_1B_SEMAPHORE # p1003.1b semaphore support
57
58options 	NMBCLUSTERS=256
59
60#options 	LKM		# loadable kernel modules
61
62#options 	USERCONF	# userconf(4) support
63options 	PIPE_SOCKETPAIR	# smaller, but slower pipe(2)
64#options 	SYSCTL_INCLUDE_DESCR	# Include sysctl descriptions in kernel
65
66# Diagnostic/debugging support options
67#options 	DIAGNOSTIC	# expensive kernel consistency checks
68#options 	DEBUG		# expensive debugging checks/support
69#options 	KMEMSTATS	# kernel memory statistics (vmstat -m)
70#options 	DDB		# in-kernel debugger
71#options 	DDB_ONPANIC=1	# see also sysctl(8): `ddb.onpanic'
72#options 	DDB_HISTORY_SIZE=512	# enable history editing in DDB
73#options 	KGDB		# remote debugger
74#options 	KGDB_DEVNAME="\"com\"",KGDB_DEVADDR=0x3f8,KGDB_DEVRATE=9600
75#makeoptions	DEBUG="-g"	# compile full symbol table
76
77# Compatibility options
78#options 	COMPAT_NOMID	# NetBSD 0.8, 386BSD, and BSDI
79#options 	COMPAT_09	# NetBSD 0.9
80#options 	COMPAT_10	# NetBSD 1.0
81#options 	COMPAT_11	# NetBSD 1.1
82options 	COMPAT_12	# NetBSD 1.2, 386BSD, and BSDI
83options 	COMPAT_13	# NetBSD 1.3, 386BSD, and BSDI
84options 	COMPAT_14	# NetBSD 1.4
85options 	COMPAT_15	# NetBSD 1.5
86options 	COMPAT_16	# NetBSD 1.6
87options 	COMPAT_43	# 4.3BSD, 386BSD, and BSDI
88options 	COMPAT_386BSD_MBRPART # recognize old partition ID
89#options 	TCP_COMPAT_42	# 4.2BSD TCP/IP bug compat. Not recommended.
90
91#options 	COMPAT_SVR4	# binary compatibility with SVR4
92#options 	COMPAT_IBCS2	# binary compatibility with SCO and ISC
93#options 	COMPAT_LINUX	# binary compatibility with Linux
94#options 	COMPAT_FREEBSD	# binary compatibility with FreeBSD
95
96# File systems
97file-system 	FFS		# UFS
98#file-system 	EXT2FS		# second extended file system (linux)
99#file-system 	LFS		# log-structured file system
100#file-system 	MFS		# memory file system
101file-system 	NFS		# Network File System client
102file-system 	CD9660		# ISO 9660 + Rock Ridge file system
103file-system 	MSDOSFS		# MS-DOS file system
104#file-system 	FDESC		# /dev/fd
105file-system 	KERNFS		# /kern
106#file-system 	NULLFS		# loopback file system
107#file-system 	PORTAL		# portal filesystem (still experimental)
108#file-system 	PROCFS		# /proc
109#file-system 	UMAPFS		# NULLFS + uid and gid remapping
110#file-system 	UNION		# union file system
111
112# File system options
113#options 	QUOTA		# UFS quotas
114#options 	FFS_EI		# FFS Endian Independant support
115#options 	NFSSERVER	# Network File System server
116#options 	EXT2FS_SYSTEM_FLAGS # makes ext2fs file flags (append and
117				# immutable) behave as system flags.
118options 	VNODE_OP_NOINLINE # don't inline vnode op calls
119
120# Networking options
121#options 	GATEWAY		# packet forwarding
122options 	INET		# IP + ICMP + TCP + UDP
123#options 	MROUTING	# IP multicast routing
124#options 	NS		# XNS
125#options 	NSIP		# XNS tunneling over IP
126#options 	ISO,TPIP	# OSI
127#options 	EON		# OSI tunneling over IP
128#options 	CCITT,LLC,HDLC	# X.25
129#options 	NETATALK	# AppleTalk networking protocols
130#options 	PPP_BSDCOMP	# BSD-Compress compression support for PPP
131#options 	PPP_DEFLATE	# Deflate compression support for PPP
132#options 	PPP_FILTER	# Active filter support for PPP (requires bpf)
133#options 	PFIL_HOOKS	# pfil(9) packet filter hooks
134#options 	IPFILTER_LOG	# ipmon(8) log support
135#options 	IPFILTER_DEFAULT_BLOCK	# block all packets by default
136#options 	TCP_DEBUG	# Record last TCP_NDEBUG packets with SO_DEBUG
137
138#options 	ALTQ		# Manipulate network interfaces' output queues
139#options 	ALTQ_BLUE	# Stochastic Fair Blue
140#options 	ALTQ_CBQ	# Class-Based Queueing
141#options 	ALTQ_CDNR	# Diffserv Traffic Conditioner
142#options 	ALTQ_FIFOQ	# First-In First-Out Queue
143#options 	ALTQ_FLOWVALVE	# RED/flow-valve (red-penalty-box)
144#options 	ALTQ_HFSC	# Hierarchical Fair Service Curve
145#options 	ALTQ_LOCALQ	# Local queueing discipline
146#options 	ALTQ_PRIQ	# Priority Queueing
147#options 	ALTQ_RED	# Random Early Detection
148#options 	ALTQ_RIO	# RED with IN/OUT
149#options 	ALTQ_WFQ	# Weighted Fair Queueing
150
151# These options enable verbose messages for several subsystems.
152# Warning, these may compile large string tables into the kernel!
153#options 	EISAVERBOSE	# verbose EISA device autoconfig messages
154#options 	PCIVERBOSE	# verbose PCI device autoconfig messages
155#options 	PCI_CONFIG_DUMP	# verbosely dump PCI config space
156#options 	PCMCIAVERBOSE	# verbose PCMCIA configuration messages
157#options 	SCSIVERBOSE	# human readable SCSI error messages
158#options 	USBVERBOSE	# verbose USB device autoconfig messages
159
160#options 	NFS_BOOT_BOOTP,NFS_BOOT_BOOTPARAM
161
162# Kernel root file system and dump configuration.
163config		netbsd	root on ? type ?
164#config		netbsd	root on sd0a type ffs
165#config		netbsd	root on ? type nfs
166
167#
168# wscons options
169#
170# builtin terminal emulations
171#options 	WSEMUL_SUN		# sun terminal emulation
172options 	WSEMUL_VT100		# VT100 / VT220 emulation
173# different kernel output - see dev/wscons/wsdisplayvar.h
174options 	WS_KERNEL_FG=WSCOL_GREEN
175#options 	WS_KERNEL_BG=WSCOL_BLACK
176# compatibility to other console drivers
177options 	WSDISPLAY_COMPAT_PCVT		# emulate some ioctls
178options 	WSDISPLAY_COMPAT_SYSCONS	# emulate some ioctls
179options 	WSDISPLAY_COMPAT_USL		# VT handling
180options 	WSDISPLAY_COMPAT_RAWKBD		# can get raw scancodes
181# see dev/pckbc/wskbdmap_mfii.c for implemented layouts
182#options 	PCKBD_LAYOUT="(KB_DE | KB_NODEAD)"
183# allocate a number of virtual screens at autoconfiguration time
184#options 	WSDISPLAY_DEFAULTSCREENS=4
185# use a large software cursor that doesn't blink
186options 	PCDISPLAY_SOFTCURSOR
187
188#
189# Device configuration
190#
191
192mainbus0 at root
193
194cpu0 at mainbus0
195
196#apm0	at mainbus0			# Advanced power management
197
198
199# Basic Bus Support
200
201# PCI bus support
202#pci*	at mainbus? bus ?
203#pci*	at pchb? bus ?
204#pci*	at ppb? bus ?
205
206# PCI bridges
207#pchb*	at pci? dev ? function ?	# PCI-Host bridges
208#pceb*	at pci? dev ? function ?	# PCI-EISA bridges
209#pcib*	at pci? dev ? function ?	# PCI-ISA bridges
210#ichlpcib* at pci? dev ? function ?	# Intel ICH PCI-ISA w/ watchdog support
211#ppb*	at pci? dev ? function ?	# PCI-PCI bridges
212# XXX 'puc's aren't really bridges, but there's no better place for them here
213#puc*	at pci? dev ? function ?	# PCI "universal" comm. cards
214
215# EISA bus support
216#eisa0	at mainbus?
217#eisa0	at pceb?
218
219# ISA bus support
220isa0	at mainbus?
221#isa0	at pceb?
222#isa0	at pcib?
223#isa0	at ichlpcib?
224
225# PCMCIA bus support
226pcmcia*	at pcic? controller ? socket ?
227
228# ISA PCMCIA controllers
229pcic0	at isa? port 0x3e0 iomem 0xd0000 iosiz 0x4000
230pcic1	at isa? port 0x3e2 iomem 0xd4000 iosiz 0x4000
231
232# ISA Plug-and-Play bus support
233#isapnp0	at isa?
234
235# ISA Plug-and-Play PCMCIA controllers
236#pcic*	at isapnp?
237
238# Coprocessor Support
239
240# Math Coprocessor support
241npx0	at isa? port 0xf0 irq 13	# x86 math coprocessor
242
243# Console Devices
244
245# ISA console
246#pc0	at isa? port 0x60 irq 1		# pccons generic PC console driver
247
248# wscons
249pckbc0 		at isa?			# pc keyboard controller
250pckbd* 		at pckbc?		# PC keyboard
251#pms*		at pckbc?		# PS/2 mouse for wsmouse
252vga0		at isa?
253#vga*		at pci? dev ? function ?
254pcdisplay0 	at isa?			# CGA, MDA, EGA, HGA
255wsdisplay*	at vga? console ?
256wsdisplay* 	at pcdisplay? console ?
257wskbd* 		at pckbd? console ?
258#wsmouse*	at pms? mux 0
259
260
261#pcppi0	at isa?
262#sysbeep0	at pcppi?
263
264# Serial Devices
265
266# PCI serial interfaces
267#com*	at puc? port ?			# 16x50s on "universal" comm boards
268#cy*	at pci? dev ? function ?	# Cyclades Cyclom-Y serial boards
269
270# ISA Plug-and-Play serial interfaces
271#com*	at isapnp?			# Modems and serial boards
272
273# PCMCIA serial interfaces
274com*	at pcmcia? function ?		# Modems and serial cards
275
276# ISA serial interfaces
277#options 	COM_HAYESP		# adds Hayes ESP serial board support
278com0	at isa? port 0x3f8 irq 4	# Standard PC serial ports
279com1	at isa? port 0x2f8 irq 3
280com2	at isa? port 0x3e8 irq 5
281#com3	at isa? port 0x2e8 irq 9
282#ast0	at isa? port 0x1a0 irq 5	# AST 4-port serial cards
283#com*	at ast? slave ?
284#boca0	at isa? port 0x100 irq 5	# BOCA 8-port serial cards
285#com*	at boca? slave ?
286#rtfps0	at isa? port 0x1230 irq 10	# RT 4-port serial cards
287#com*	at rtfps? slave ?
288#cy0	at isa? iomem 0xd4000 irq 12	# Cyclades serial cards
289
290
291# Parallel Printer Interfaces
292
293# PCI parallel printer interfaces
294#lpt*	at puc? port ?			# || ports on "universal" comm boards
295
296# ISA parallel printer interfaces
297lpt0	at isa? port 0x378 irq 7	# standard PC parallel ports
298#lpt1	at isa? port 0x278
299#lpt2	at isa? port 0x3bc
300
301
302# SCSI Controllers and Devices
303
304# PCI SCSI controllers
305#ahc*	at pci? dev ? function ?	# Adaptec [23]94x, aic78x0 SCSI
306#dpt*	at pci? dev ? function ?	# DPT SmartCache/SmartRAID
307#bha*	at pci? dev ? function ?	# BusLogic 9xx SCSI
308#isp*	at pci? dev ? function ?	# Qlogic ISP [12]0x0 SCSI/FibreChannel
309#siop*	at pci? dev ? function ?	# NCR 53c8xx SCSI
310#esiop*	at pci? dev ? function ?	# NCR 53c875 SCSI and newer
311#options 	SIOP_SYMLED		# drive the act. LED in software
312
313# EISA SCSI controllers
314#ahb*	at eisa? slot ?			# Adaptec 174[02] SCSI
315#ahc*	at eisa? slot ?			# Adaptec 274x, aic7770 SCSI
316#bha*	at eisa? slot ?			# BusLogic 7xx SCSI
317#dpt*	at eisa? slot ?			# DPT SmartCache/SmartRAID
318#uha*	at eisa? slot ?			# UltraStor 24f SCSI
319
320# PCMCIA SCSI controllers
321#aic*	at pcmcia? function ?		# Adaptec APA-1460 SCSI
322
323# ISA Plug-and-Play SCSI controllers
324#aic*	at isapnp?			# Adaptec AHA-1520B
325
326# ISA SCSI controllers
327#aha0	at isa? port 0x330 irq ? drq ?	# Adaptec 154[02] SCSI
328#aha1	at isa? port 0x334 irq ? drq ?
329#ahc0	at isa? port ? irq ?		# Adaptec 284x SCSI
330#aic0	at isa? port 0x340 irq 11	# Adaptec 152[02] SCSI
331#bha0	at isa? port 0x330 irq ? drq ?	# BusLogic [457]4X SCSI
332#bha1	at isa? port 0x334 irq ? drq ?
333#sea0	at isa? iomem 0xc8000 irq 5	# Seagate/Future Domain SCSI
334#uha0	at isa? port 0x330 irq ? drq ?	# UltraStor [13]4f SCSI
335#uha1	at isa? port 0x340 irq ? drq ?
336#wds0	at isa? port 0x350 irq 15 drq 6	# WD7000 and TMC-7000 controllers
337#wds1	at isa? port 0x358 irq 11 drq 5
338
339# SCSI bus support
340#scsibus* at scsi?
341
342# SCSI devices
343#sd*	at scsibus? target ? lun ?	# SCSI disk drives
344#st*	at scsibus? target ? lun ?	# SCSI tape drives
345#cd*	at scsibus? target ? lun ?	# SCSI CD-ROM drives
346#ch*	at scsibus? target ? lun ?	# SCSI autochangers
347#ss*	at scsibus? target ? lun ?	# SCSI scanners
348#uk*	at scsibus? target ? lun ?	# SCSI unknown
349
350
351# IDE and related devices
352
353# ISA Plug-and-Play IDE controllers
354#wdc*	at isapnp?
355
356# PCMCIA IDE controllers
357wdc*	at pcmcia? function ?
358
359# ISA IDE controllers
360wdc0	at isa? port 0x1f0 irq 14	# ST506, ESDI, and IDE controllers
361wdc1	at isa? port 0x170 irq 15
362
363# ATA (IDE) bus support
364atabus* at ata?
365
366# IDE drives
367wd*	at atabus? drive ?			# the drives themselves
368
369# ATAPI bus support
370atapibus* at atapi?
371
372# ATAPI devices
373cd*	at atapibus? drive ?		# ATAPI CD-ROM drives
374sd*	at atapibus? drive ?		# ATAPI disk drives
375
376
377# Miscellaneous mass storage devices
378
379# ISA floppy
380fdc0	at isa? port 0x3f0 irq 6 drq 2	# standard PC floppy controllers
381#fdc1	at isa? port 0x370 irq ? drq ?
382fd*	at fdc? drive ?			# the drives themselves
383# some machines need you to do this instead of fd*
384#fd0	at fdc0 drive 0
385
386# ISA CD-ROM devices
387#mcd0	at isa? port 0x300 irq 10	# Mitsumi CD-ROM drives
388
389# ISA tape devices
390# note: the wt driver conflicts unpleasantly with SMC boards at the
391# same I/O address. The probe reprograms their EEPROMs. Don't
392# uncomment it unless you are actually using it.
393#wt0	at isa? port 0x308 irq 5 drq 1	# Archive and Wangtek QIC tape drives
394
395
396# Network Interfaces
397
398# PCI network interfaces
399#en*	at pci? dev ? function ?	# ENI/Adaptec ATM
400#ep*	at pci? dev ? function ?	# 3Com 3c59x/3c90x Ethernet
401#epic*	at pci? dev ? function ?	# SMC EPIC/100 Ethernet
402#esh*	at pci? dev ? function ?	# Essential HIPPI card
403#fpa*	at pci? dev ? function ?	# DEC DEFPA FDDI
404#fxp*	at pci? dev ? function ?	# Intel EtherExpress PRO 10+/100B
405#le*	at pci? dev ? function ?	# PCnet-PCI Ethernet
406#ne*	at pci? dev ? function ?	# NE2000-compatible Ethernet
407#tl*	at pci? dev ? function ?	# ThunderLAN-based Ethernet
408#tlp*	at pci? dev ? function ?	# DECchip 21x4x and clones
409
410# EISA network interfaces
411#ep*	at eisa? slot ?			# 3Com 3c579 Ethernet
412#fea*	at eisa? slot ?			# DEC DEFEA FDDI
413
414# ISA Plug-and-Play network interfaces
415#ep*	at isapnp?			# 3Com 3c509 Ethernet
416#ne*	at isapnp?			# NE2000-compatible Ethernet
417
418# PCMCIA network interfaces
419ep*	at pcmcia? function ?		# 3Com 3c589 and 3c562 Ethernet
420mbe*	at pcmcia? function ?		# MB8696x based Ethernet
421ne*	at pcmcia? function ?		# NE2000-compatible Ethernet
422sm*	at pcmcia? function ?		# Megahertz Ethernet
423
424# ISA network interfaces
425ate0	at isa? port 0x2a0 irq ?		# AT1700
426ec0	at isa? port 0x250 iomem 0xd8000 irq 9	# 3Com 3c503 Ethernet
427eg0	at isa? port 0x280 irq 9		# 3C505 ethernet cards
428el0	at isa? port 0x300 irq 9		# 3C501 ethernet cards
429ep0	at isa? port ? irq ?			# 3C509 ethernet cards
430ef0	at isa? port 0x360 iomem 0xd0000 irq 7	# 3C507
431ai0	at isa? port 0x360 iomem 0xd0000 irq 7	# StarLAN
432fmv0	at isa? port 0x2a0 irq ?		# FMV-180 series
433ix0	at isa? port 0x300 irq 10		# EtherExpress/16
434iy0	at isa? port 0x360 irq ?		# EtherExpress PRO 10 ISA
435lc0	at isa? port 0x320 iomem ? irq ?	# DEC EtherWORKS III (LEMAC)
436#depca0	at isa? port 0x300 iomem 0xc8000 iosiz 0x8000 irq 5	# DEPCA
437#le*	at depca?
438nele0	at isa? port 0x320 irq 9 drq 7		# NE2100
439le*	at nele?
440bicc0	at isa? port 0x320 irq 10 drq 7		# BICC IsoLan
441le*	at bicc?
442ne0	at isa? port 0x280 irq 9		# NE[12]000 ethernet cards
443ne1	at isa? port 0x300 irq 10
444sm0	at isa? port 0x300 irq 10		# SMC91C9x Ethernet
445we0	at isa? port 0x280 iomem 0xd0000 irq 9	# WD/SMC Ethernet
446we1	at isa? port 0x300 iomem 0xcc000 irq 10
447
448# MII bus support
449#mii*	at tl?
450
451# MII PHY network interfaces
452#tlphy*	at mii? dev ?			# ThunderLAN PHYs
453#nsphy*	at mii? dev ?			# NS and compatible PHYs
454#ukphy*	at mii? phy ?			# generic unknown PHYs
455
456
457# USB Controller and Devices
458
459# PCI USB controllers
460#uhci*	at pci?				# Universal Host Controller (Intel)
461#ohci*	at pci?				# Open Host Controller
462
463# USB bus support
464#usb*	at uhci?
465#usb*	at ohci?
466
467# USB Hubs
468#uhub*	at usb?
469#uhub*	at uhub? port ?
470
471# USB Mice
472#ums*	at uhub? port ?
473
474# USB Keyboards
475#ukbd*	at uhub? port ?
476
477# USB Generic HID devices
478#uhid*	at uhub? port ?
479
480# USB Printer
481#ulpt*	at uhub? port ?
482
483# USB Mass Storage
484#umass*	at uhub? port ? configuration ? interface ?
485#scsibus* at umass?
486#wd*	at umass?
487
488# USB Ethernet adapters
489#aue*	at uhub? port ?		# ADMtek AN986 Pegasus based adapters
490#cue*	at uhub? port ?		# CATC USB-EL1201A based adapters
491#kue*	at uhub? port ?		# Kawasaki LSI KL5KUSB101B based adapters
492#uax*	at uhub? port ?		# ASIX AX88172 based adapters
493#url*	at uhub? port ?		# Realtek RTL8150L based adapters
494
495# Y@P firmware loader
496#uyap* at uhub? port ?
497
498# USB Generic driver
499#ugen*	at uhub? port ?
500
501# Audio Devices
502
503# PCI audio devices
504#eap*	at pci? dev ? function ?	# Ensoniq AudioPCI
505
506# ISA Plug-and-Play audio devices
507#guspnp*	at isapnp?			# Gravis Ultra Sound PnP audio
508#sb*	at isapnp?			# SoundBlaster-compatible audio
509#ym*	at isapnp?			# Yamaha OPL3-SA3 audio
510
511# ISA audio devices
512#aria0	at isa? port 0x290 irq 10 		# Aria
513#gus0	at isa? port 0x220 irq 7 drq 1 drq2 6	# Gravis Ultra Sound
514#pas0	at isa? port 0x220 irq 7 drq 1		# ProAudio Spectrum
515#pss0	at isa? port 0x220 irq 7 drq 6		# Personal Sound System
516#sp0	at pss0 port 0x530 irq 10 drq 0		# 	sound port driver
517#sb0	at isa? port 0x220 irq 5 drq 1 drq2 5	# SoundBlaster
518#wss0	at isa? port 0x530 irq 10 drq 0	drq2 1	# Windows Sound System
519
520# Audio support
521#audio*	at audiobus?
522
523# The spkr driver provides a simple tone interface to the built in speaker.
524#spkr0	at pcppi?		# PC speaker
525
526
527# Joysticks
528
529# ISA Plug-and-Play joysticks
530#joy*	at isapnp?			# Game ports (usually on audio cards)
531
532# ISA joysticks. Probe is a little strange; add only if you have one.
533#joy0	at isa? port 0x201
534
535
536# Miscellaneous Devices
537
538# Planetconnect Satellite receiver driver.
539#satlink0 at isa? port 0x300 drq 1
540
541
542# Pull in optional local configuration
543include	"arch/i386/conf/GENERIC.local"
544
545
546# Pseudo-Devices
547
548# disk/mass storage pseudo-devices
549#pseudo-device	ccd		4	# concatenated/striped disk devices
550#pseudo-device	md		1	# memory disk device (ramdisk)
551pseudo-device	vnd		4	# disk-like interface to files
552
553# network pseudo-devices
554pseudo-device	bpfilter	8	# Berkeley packet filter
555pseudo-device	bridge			# simple inter-network bridging
556pseudo-device	ipfilter		# IP filter (firewall) and NAT
557pseudo-device	loop			# network loopback
558pseudo-device	ppp		2	# Point-to-Point Protocol
559pseudo-device	pppoe			# PPP over Ethernet (RFC 2516)
560#pseudo-device	sl		2	# Serial Line IP
561#pseudo-device	strip		2	# Starmode Radio IP (Metricom)
562pseudo-device	tun		2	# network tunneling over tty
563
564# miscellaneous pseudo-devices
565pseudo-device	pty			# pseudo-terminals
566#pseudo-device	tb		1	# tablet line discipline
567pseudo-device	rnd			# /dev/random and in-kernel generator
568#options 	RND_COM			# use "com" randomness as well (BROKEN)
569pseudo-device	clockctl		# user control of clock subsystem
570