GENERIC_TINY revision 1.67 1 # $NetBSD: GENERIC_TINY,v 1.67 2004/06/28 21:07:48 bouyer Exp $
2 #
3 # GENERIC_TINY -- suitable default for 4M machines
4 # No EISA, PCI, or SCSI.
5 #
6
7 include "arch/i386/conf/std.i386"
8
9 #options INCLUDE_CONFIG_FILE # embed config file in kernel binary
10
11 makeoptions COPTS="-Os"
12
13 maxusers 8 # estimated number of users
14
15 # CPU support. At least one is REQUIRED.
16 options I386_CPU
17 options I486_CPU
18 options I586_CPU
19 options I686_CPU
20
21 # CPU-related options.
22 options 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
26 options PIC_DELAY
27
28 # Misc. i386-specific options
29 #options XSERVER # X server support in console drivers
30
31 # This option allows you to force a serial console at the specified
32 # I/O address. see console(4) for details.
33 #options CONSDEVNAME="\"com\""
34
35 # The following options override the memory sizes passed in from the boot
36 # block. Use them *only* if the boot block is unable to determine the correct
37 # values. Note that the BIOS may *correctly* report less than 640k of base
38 # memory if the extended BIOS data area is located at the top of base memory
39 # (as is the case on most recent systems).
40 #options REALBASEMEM=... # size of base memory
41 #options REALEXTMEM=... # size of extended memory
42
43 # Save a physical page per process by not setting a kernel stack red zone.
44 options NOREDZONE
45
46 # Standard system options
47
48 options INSECURE # disable kernel security levels - X needs this
49
50 options RTC_OFFSET=0 # hardware clock is this many mins. west of GMT
51 #options NTP # NTP phase/frequency locked loop
52
53 #options KTRACE # system call tracing via ktrace(1)
54
55 #options SYSVMSG # System V-like message queues
56 #options SYSVSEM # System V-like semaphores
57 #options SYSVSHM # System V-like memory sharing
58 #options SHMMAXPGS=2048 # 2048 pages is the default
59 #options P1003_1B_SEMAPHORE # p1003.1b semaphore support
60
61 options NMBCLUSTERS=256
62
63 #options LKM # loadable kernel modules
64
65 #options USERCONF # userconf(4) support
66 options PIPE_SOCKETPAIR # smaller, but slower pipe(2)
67
68 # Diagnostic/debugging support options
69 #options DIAGNOSTIC # expensive kernel consistency checks
70 #options DEBUG # expensive debugging checks/support
71 #options KMEMSTATS # kernel memory statistics (vmstat -m)
72 #options DDB # in-kernel debugger
73 #options DDB_ONPANIC=1 # see also sysctl(8): `ddb.onpanic'
74 #options DDB_HISTORY_SIZE=512 # enable history editing in DDB
75 #options KGDB # remote debugger
76 #options KGDB_DEVNAME="\"com\"",KGDB_DEVADDR=0x3f8,KGDB_DEVRATE=9600
77 #makeoptions DEBUG="-g" # compile full symbol table
78
79 # Compatibility options
80 #options COMPAT_NOMID # NetBSD 0.8, 386BSD, and BSDI
81 #options COMPAT_09 # NetBSD 0.9
82 #options COMPAT_10 # NetBSD 1.0
83 #options COMPAT_11 # NetBSD 1.1
84 options COMPAT_12 # NetBSD 1.2, 386BSD, and BSDI
85 options COMPAT_13 # NetBSD 1.3, 386BSD, and BSDI
86 options COMPAT_14 # NetBSD 1.4
87 options COMPAT_15 # NetBSD 1.5
88 options COMPAT_16 # NetBSD 1.6
89 options COMPAT_43 # 4.3BSD, 386BSD, and BSDI
90 options COMPAT_386BSD_MBRPART # recognize old partition ID
91 #options TCP_COMPAT_42 # 4.2BSD TCP/IP bug compat. Not recommended.
92
93 #options COMPAT_SVR4 # binary compatibility with SVR4
94 #options COMPAT_IBCS2 # binary compatibility with SCO and ISC
95 #options COMPAT_LINUX # binary compatibility with Linux
96 #options COMPAT_FREEBSD # binary compatibility with FreeBSD
97
98 # File systems
99 file-system FFS # UFS
100 #file-system EXT2FS # second extended file system (linux)
101 #file-system LFS # log-structured file system
102 #file-system MFS # memory file system
103 file-system NFS # Network File System client
104 file-system CD9660 # ISO 9660 + Rock Ridge file system
105 file-system MSDOSFS # MS-DOS file system
106 #file-system FDESC # /dev/fd
107 file-system KERNFS # /kern
108 #file-system NULLFS # loopback file system
109 #file-system PORTAL # portal filesystem (still experimental)
110 #file-system PROCFS # /proc
111 #file-system UMAPFS # NULLFS + uid and gid remapping
112 #file-system UNION # union file system
113
114 # File system options
115 #options QUOTA # UFS quotas
116 #options FFS_EI # FFS Endian Independant support
117 #options NFSSERVER # Network File System server
118 #options EXT2FS_SYSTEM_FLAGS # makes ext2fs file flags (append and
119 # immutable) behave as system flags.
120 options VNODE_OP_NOINLINE # don't inline vnode op calls
121
122 # Networking options
123 #options GATEWAY # packet forwarding
124 options INET # IP + ICMP + TCP + UDP
125 #options MROUTING # IP multicast routing
126 #options NS # XNS
127 #options NSIP # XNS tunneling over IP
128 #options ISO,TPIP # OSI
129 #options EON # OSI tunneling over IP
130 #options CCITT,LLC,HDLC # X.25
131 #options NETATALK # AppleTalk networking protocols
132 #options PPP_BSDCOMP # BSD-Compress compression support for PPP
133 #options PPP_DEFLATE # Deflate compression support for PPP
134 #options PPP_FILTER # Active filter support for PPP (requires bpf)
135 #options PFIL_HOOKS # pfil(9) packet filter hooks
136 #options IPFILTER_LOG # ipmon(8) log support
137 #options IPFILTER_DEFAULT_BLOCK # block all packets by default
138 #options TCP_DEBUG # Record last TCP_NDEBUG packets with SO_DEBUG
139
140 #options ALTQ # Manipulate network interfaces' output queues
141 #options ALTQ_BLUE # Stochastic Fair Blue
142 #options ALTQ_CBQ # Class-Based Queueing
143 #options ALTQ_CDNR # Diffserv Traffic Conditioner
144 #options ALTQ_FIFOQ # First-In First-Out Queue
145 #options ALTQ_FLOWVALVE # RED/flow-valve (red-penalty-box)
146 #options ALTQ_HFSC # Hierarchical Fair Service Curve
147 #options ALTQ_LOCALQ # Local queueing discipline
148 #options ALTQ_PRIQ # Priority Queueing
149 #options ALTQ_RED # Random Early Detection
150 #options ALTQ_RIO # RED with IN/OUT
151 #options ALTQ_WFQ # Weighted Fair Queueing
152
153 # These options enable verbose messages for several subsystems.
154 # Warning, these may compile large string tables into the kernel!
155 #options EISAVERBOSE # verbose EISA device autoconfig messages
156 #options PCIVERBOSE # verbose PCI device autoconfig messages
157 #options PCI_CONFIG_DUMP # verbosely dump PCI config space
158 #options PCMCIAVERBOSE # verbose PCMCIA configuration messages
159 #options SCSIVERBOSE # human readable SCSI error messages
160 #options USBVERBOSE # verbose USB device autoconfig messages
161
162 #options NFS_BOOT_BOOTP,NFS_BOOT_BOOTPARAM
163
164 # Kernel root file system and dump configuration.
165 config netbsd root on ? type ?
166 #config netbsd root on sd0a type ffs
167 #config netbsd root on ? type nfs
168
169 #
170 # wscons options
171 #
172 # builtin terminal emulations
173 #options WSEMUL_SUN # sun terminal emulation
174 options WSEMUL_VT100 # VT100 / VT220 emulation
175 # different kernel output - see dev/wscons/wsdisplayvar.h
176 options WS_KERNEL_FG=WSCOL_GREEN
177 #options WS_KERNEL_BG=WSCOL_BLACK
178 # compatibility to other console drivers
179 options WSDISPLAY_COMPAT_PCVT # emulate some ioctls
180 options WSDISPLAY_COMPAT_SYSCONS # emulate some ioctls
181 options WSDISPLAY_COMPAT_USL # VT handling
182 options WSDISPLAY_COMPAT_RAWKBD # can get raw scancodes
183 # see dev/pckbc/wskbdmap_mfii.c for implemented layouts
184 #options PCKBD_LAYOUT="(KB_DE | KB_NODEAD)"
185 # allocate a number of virtual screens at autoconfiguration time
186 #options WSDISPLAY_DEFAULTSCREENS=4
187 # use a large software cursor that doesn't blink
188 options PCDISPLAY_SOFTCURSOR
189
190 #
191 # Device configuration
192 #
193
194 mainbus0 at root
195
196 cpu0 at mainbus0
197
198 #apm0 at mainbus0 # Advanced power management
199
200
201 # Basic Bus Support
202
203 # PCI bus support
204 #pci* at mainbus? bus ?
205 #pci* at pchb? bus ?
206 #pci* at ppb? bus ?
207
208 # PCI bridges
209 #pchb* at pci? dev ? function ? # PCI-Host bridges
210 #pceb* at pci? dev ? function ? # PCI-EISA bridges
211 #pcib* at pci? dev ? function ? # PCI-ISA bridges
212 #ichlpcib* at pci? dev ? function ? # Intel ICH PCI-ISA w/ watchdog support
213 #ppb* at pci? dev ? function ? # PCI-PCI bridges
214 # XXX 'puc's aren't really bridges, but there's no better place for them here
215 #puc* at pci? dev ? function ? # PCI "universal" comm. cards
216
217 # EISA bus support
218 #eisa0 at mainbus?
219 #eisa0 at pceb?
220
221 # ISA bus support
222 isa0 at mainbus?
223 #isa0 at pceb?
224 #isa0 at pcib?
225 #isa0 at ichlpcib?
226
227 # PCMCIA bus support
228 pcmcia* at pcic? controller ? socket ?
229
230 # ISA PCMCIA controllers
231 pcic0 at isa? port 0x3e0 iomem 0xd0000 iosiz 0x4000
232 pcic1 at isa? port 0x3e2 iomem 0xd4000 iosiz 0x4000
233
234 # ISA Plug-and-Play bus support
235 #isapnp0 at isa?
236
237 # ISA Plug-and-Play PCMCIA controllers
238 #pcic* at isapnp?
239
240 # Coprocessor Support
241
242 # Math Coprocessor support
243 npx0 at isa? port 0xf0 irq 13 # x86 math coprocessor
244
245 # Console Devices
246
247 # ISA console
248 #pc0 at isa? port 0x60 irq 1 # pccons generic PC console driver
249
250 # wscons
251 pckbc0 at isa? # pc keyboard controller
252 pckbd* at pckbc? # PC keyboard
253 #pms* at pckbc? # PS/2 mouse for wsmouse
254 vga0 at isa?
255 #vga* at pci? dev ? function ?
256 pcdisplay0 at isa? # CGA, MDA, EGA, HGA
257 wsdisplay* at vga? console ?
258 wsdisplay* at pcdisplay? console ?
259 wskbd* at pckbd? console ?
260 #wsmouse* at pms? mux 0
261
262
263 #pcppi0 at isa?
264 #sysbeep0 at pcppi?
265
266 # Serial Devices
267
268 # PCI serial interfaces
269 #com* at puc? port ? # 16x50s on "universal" comm boards
270 #cy* at pci? dev ? function ? # Cyclades Cyclom-Y serial boards
271
272 # ISA Plug-and-Play serial interfaces
273 #com* at isapnp? # Modems and serial boards
274
275 # PCMCIA serial interfaces
276 com* at pcmcia? function ? # Modems and serial cards
277
278 # ISA serial interfaces
279 #options COM_HAYESP # adds Hayes ESP serial board support
280 com0 at isa? port 0x3f8 irq 4 # Standard PC serial ports
281 com1 at isa? port 0x2f8 irq 3
282 com2 at isa? port 0x3e8 irq 5
283 #com3 at isa? port 0x2e8 irq 9
284 #ast0 at isa? port 0x1a0 irq 5 # AST 4-port serial cards
285 #com* at ast? slave ?
286 #boca0 at isa? port 0x100 irq 5 # BOCA 8-port serial cards
287 #com* at boca? slave ?
288 #rtfps0 at isa? port 0x1230 irq 10 # RT 4-port serial cards
289 #com* at rtfps? slave ?
290 #cy0 at isa? iomem 0xd4000 irq 12 # Cyclades serial cards
291
292
293 # Parallel Printer Interfaces
294
295 # PCI parallel printer interfaces
296 #lpt* at puc? port ? # || ports on "universal" comm boards
297
298 # ISA parallel printer interfaces
299 lpt0 at isa? port 0x378 irq 7 # standard PC parallel ports
300 #lpt1 at isa? port 0x278
301 #lpt2 at isa? port 0x3bc
302
303
304 # SCSI Controllers and Devices
305
306 # PCI SCSI controllers
307 #ahc* at pci? dev ? function ? # Adaptec [23]94x, aic78x0 SCSI
308 #dpt* at pci? dev ? function ? # DPT SmartCache/SmartRAID
309 #bha* at pci? dev ? function ? # BusLogic 9xx SCSI
310 #isp* at pci? dev ? function ? # Qlogic ISP [12]0x0 SCSI/FibreChannel
311 #siop* at pci? dev ? function ? # NCR 53c8xx SCSI
312 #esiop* at pci? dev ? function ? # NCR 53c875 SCSI and newer
313 #options SIOP_SYMLED # drive the act. LED in software
314
315 # EISA SCSI controllers
316 #ahb* at eisa? slot ? # Adaptec 174[02] SCSI
317 #ahc* at eisa? slot ? # Adaptec 274x, aic7770 SCSI
318 #bha* at eisa? slot ? # BusLogic 7xx SCSI
319 #dpt* at eisa? slot ? # DPT SmartCache/SmartRAID
320 #uha* at eisa? slot ? # UltraStor 24f SCSI
321
322 # PCMCIA SCSI controllers
323 #aic* at pcmcia? function ? # Adaptec APA-1460 SCSI
324
325 # ISA Plug-and-Play SCSI controllers
326 #aic* at isapnp? # Adaptec AHA-1520B
327
328 # ISA SCSI controllers
329 #aha0 at isa? port 0x330 irq ? drq ? # Adaptec 154[02] SCSI
330 #aha1 at isa? port 0x334 irq ? drq ?
331 #ahc0 at isa? port ? irq ? # Adaptec 284x SCSI
332 #aic0 at isa? port 0x340 irq 11 # Adaptec 152[02] SCSI
333 #bha0 at isa? port 0x330 irq ? drq ? # BusLogic [457]4X SCSI
334 #bha1 at isa? port 0x334 irq ? drq ?
335 #sea0 at isa? iomem 0xc8000 irq 5 # Seagate/Future Domain SCSI
336 #uha0 at isa? port 0x330 irq ? drq ? # UltraStor [13]4f SCSI
337 #uha1 at isa? port 0x340 irq ? drq ?
338 #wds0 at isa? port 0x350 irq 15 drq 6 # WD7000 and TMC-7000 controllers
339 #wds1 at isa? port 0x358 irq 11 drq 5
340
341 # SCSI bus support
342 #scsibus* at scsi?
343
344 # SCSI devices
345 #sd* at scsibus? target ? lun ? # SCSI disk drives
346 #st* at scsibus? target ? lun ? # SCSI tape drives
347 #cd* at scsibus? target ? lun ? # SCSI CD-ROM drives
348 #ch* at scsibus? target ? lun ? # SCSI autochangers
349 #ss* at scsibus? target ? lun ? # SCSI scanners
350 #uk* at scsibus? target ? lun ? # SCSI unknown
351
352
353 # IDE and related devices
354
355 # ISA Plug-and-Play IDE controllers
356 #wdc* at isapnp?
357
358 # PCMCIA IDE controllers
359 wdc* at pcmcia? function ?
360
361 # ISA IDE controllers
362 wdc0 at isa? port 0x1f0 irq 14 # ST506, ESDI, and IDE controllers
363 wdc1 at isa? port 0x170 irq 15
364
365 # ATA (IDE) bus support
366 atabus* at ata?
367
368 # IDE drives
369 wd* at atabus? drive ? # the drives themselves
370
371 # ATAPI bus support
372 atapibus* at atapi?
373
374 # ATAPI devices
375 cd* at atapibus? drive ? # ATAPI CD-ROM drives
376 sd* at atapibus? drive ? # ATAPI disk drives
377
378
379 # Miscellaneous mass storage devices
380
381 # ISA floppy
382 fdc0 at isa? port 0x3f0 irq 6 drq 2 # standard PC floppy controllers
383 #fdc1 at isa? port 0x370 irq ? drq ?
384 fd* at fdc? drive ? # the drives themselves
385 # some machines need you to do this instead of fd*
386 #fd0 at fdc0 drive 0
387
388 # ISA CD-ROM devices
389 #mcd0 at isa? port 0x300 irq 10 # Mitsumi CD-ROM drives
390
391 # ISA tape devices
392 # note: the wt driver conflicts unpleasantly with SMC boards at the
393 # same I/O address. The probe reprograms their EEPROMs. Don't
394 # uncomment it unless you are actually using it.
395 #wt0 at isa? port 0x308 irq 5 drq 1 # Archive and Wangtek QIC tape drives
396
397
398 # Network Interfaces
399
400 # PCI network interfaces
401 #en* at pci? dev ? function ? # ENI/Adaptec ATM
402 #ep* at pci? dev ? function ? # 3Com 3c59x/3c90x Ethernet
403 #epic* at pci? dev ? function ? # SMC EPIC/100 Ethernet
404 #esh* at pci? dev ? function ? # Essential HIPPI card
405 #fpa* at pci? dev ? function ? # DEC DEFPA FDDI
406 #fxp* at pci? dev ? function ? # Intel EtherExpress PRO 10+/100B
407 #le* at pci? dev ? function ? # PCnet-PCI Ethernet
408 #ne* at pci? dev ? function ? # NE2000-compatible Ethernet
409 #tl* at pci? dev ? function ? # ThunderLAN-based Ethernet
410 #tlp* at pci? dev ? function ? # DECchip 21x4x and clones
411
412 # EISA network interfaces
413 #ep* at eisa? slot ? # 3Com 3c579 Ethernet
414 #fea* at eisa? slot ? # DEC DEFEA FDDI
415
416 # ISA Plug-and-Play network interfaces
417 #ep* at isapnp? # 3Com 3c509 Ethernet
418 #ne* at isapnp? # NE2000-compatible Ethernet
419
420 # PCMCIA network interfaces
421 ep* at pcmcia? function ? # 3Com 3c589 and 3c562 Ethernet
422 mbe* at pcmcia? function ? # MB8696x based Ethernet
423 ne* at pcmcia? function ? # NE2000-compatible Ethernet
424 sm* at pcmcia? function ? # Megahertz Ethernet
425
426 # ISA network interfaces
427 ate0 at isa? port 0x2a0 irq ? # AT1700
428 ec0 at isa? port 0x250 iomem 0xd8000 irq 9 # 3Com 3c503 Ethernet
429 eg0 at isa? port 0x280 irq 9 # 3C505 ethernet cards
430 el0 at isa? port 0x300 irq 9 # 3C501 ethernet cards
431 ep0 at isa? port ? irq ? # 3C509 ethernet cards
432 ef0 at isa? port 0x360 iomem 0xd0000 irq 7 # 3C507
433 ai0 at isa? port 0x360 iomem 0xd0000 irq 7 # StarLAN
434 fmv0 at isa? port 0x2a0 irq ? # FMV-180 series
435 ix0 at isa? port 0x300 irq 10 # EtherExpress/16
436 iy0 at isa? port 0x360 irq ? # EtherExpress PRO 10 ISA
437 lc0 at isa? port 0x320 iomem ? irq ? # DEC EtherWORKS III (LEMAC)
438 #depca0 at isa? port 0x300 iomem 0xc8000 iosiz 0x8000 irq 5 # DEPCA
439 #le* at depca?
440 nele0 at isa? port 0x320 irq 9 drq 7 # NE2100
441 le* at nele?
442 bicc0 at isa? port 0x320 irq 10 drq 7 # BICC IsoLan
443 le* at bicc?
444 ne0 at isa? port 0x280 irq 9 # NE[12]000 ethernet cards
445 ne1 at isa? port 0x300 irq 10
446 sm0 at isa? port 0x300 irq 10 # SMC91C9x Ethernet
447 we0 at isa? port 0x280 iomem 0xd0000 irq 9 # WD/SMC Ethernet
448 we1 at isa? port 0x300 iomem 0xcc000 irq 10
449
450 # MII bus support
451 #mii* at tl?
452
453 # MII PHY network interfaces
454 #tlphy* at mii? dev ? # ThunderLAN PHYs
455 #nsphy* at mii? dev ? # NS and compatible PHYs
456 #ukphy* at mii? phy ? # generic unknown PHYs
457
458
459 # USB Controller and Devices
460
461 # PCI USB controllers
462 #uhci* at pci? # Universal Host Controller (Intel)
463 #ohci* at pci? # Open Host Controller
464
465 # USB bus support
466 #usb* at uhci?
467 #usb* at ohci?
468
469 # USB Hubs
470 #uhub* at usb?
471 #uhub* at uhub? port ?
472
473 # USB Mice
474 #ums* at uhub? port ?
475
476 # USB Keyboards
477 #ukbd* at uhub? port ?
478
479 # USB Generic HID devices
480 #uhid* at uhub? port ?
481
482 # USB Printer
483 #ulpt* at uhub? port ?
484
485 # USB Mass Storage
486 #umass* at uhub? port ? configuration ? interface ?
487 #scsibus* at umass?
488 #wd* at umass?
489
490 # USB Ethernet adapters
491 #aue* at uhub? port ? # ADMtek AN986 Pegasus based adapters
492 #cue* at uhub? port ? # CATC USB-EL1201A based adapters
493 #kue* at uhub? port ? # Kawasaki LSI KL5KUSB101B based adapters
494 #uax* at uhub? port ? # ASIX AX88172 based adapters
495 #url* at uhub? port ? # Realtek RTL8150L based adapters
496
497 # Y@P firmware loader
498 #uyap* at uhub? port ?
499
500 # USB Generic driver
501 #ugen* at uhub? port ?
502
503 # Audio Devices
504
505 # PCI audio devices
506 #eap* at pci? dev ? function ? # Ensoniq AudioPCI
507
508 # ISA Plug-and-Play audio devices
509 #guspnp* at isapnp? # Gravis Ultra Sound PnP audio
510 #sb* at isapnp? # SoundBlaster-compatible audio
511 #ym* at isapnp? # Yamaha OPL3-SA3 audio
512
513 # ISA audio devices
514 #aria0 at isa? port 0x290 irq 10 # Aria
515 #gus0 at isa? port 0x220 irq 7 drq 1 drq2 6 # Gravis Ultra Sound
516 #pas0 at isa? port 0x220 irq 7 drq 1 # ProAudio Spectrum
517 #pss0 at isa? port 0x220 irq 7 drq 6 # Personal Sound System
518 #sp0 at pss0 port 0x530 irq 10 drq 0 # sound port driver
519 #sb0 at isa? port 0x220 irq 5 drq 1 drq2 5 # SoundBlaster
520 #wss0 at isa? port 0x530 irq 10 drq 0 drq2 1 # Windows Sound System
521
522 # Audio support
523 #audio* at audiobus?
524
525 # The spkr driver provides a simple tone interface to the built in speaker.
526 #spkr0 at pcppi? # PC speaker
527
528
529 # Joysticks
530
531 # ISA Plug-and-Play joysticks
532 #joy* at isapnp? # Game ports (usually on audio cards)
533
534 # ISA joysticks. Probe is a little strange; add only if you have one.
535 #joy0 at isa? port 0x201
536
537
538 # Miscellaneous Devices
539
540 # Planetconnect Satellite receiver driver.
541 #satlink0 at isa? port 0x300 drq 1
542
543
544 # Pull in optional local configuration
545 include "arch/i386/conf/GENERIC.local"
546
547
548 # Pseudo-Devices
549
550 # disk/mass storage pseudo-devices
551 #pseudo-device ccd 4 # concatenated/striped disk devices
552 #pseudo-device md 1 # memory disk device (ramdisk)
553 pseudo-device vnd 4 # disk-like interface to files
554
555 # network pseudo-devices
556 pseudo-device bpfilter 8 # Berkeley packet filter
557 pseudo-device bridge # simple inter-network bridging
558 pseudo-device ipfilter # IP filter (firewall) and NAT
559 pseudo-device loop # network loopback
560 pseudo-device ppp 2 # Point-to-Point Protocol
561 pseudo-device pppoe # PPP over Ethernet (RFC 2516)
562 #pseudo-device sl 2 # Serial Line IP
563 #pseudo-device strip 2 # Starmode Radio IP (Metricom)
564 pseudo-device tun 2 # network tunneling over tty
565
566 # miscellaneous pseudo-devices
567 pseudo-device pty # pseudo-terminals
568 #pseudo-device tb 1 # tablet line discipline
569 pseudo-device rnd # /dev/random and in-kernel generator
570 #options RND_COM # use "com" randomness as well (BROKEN)
571 pseudo-device clockctl # user control of clock subsystem
572