GENERIC_TINY revision 1.141 1 # $NetBSD: GENERIC_TINY,v 1.141 2014/08/23 20:26:58 dholland 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 makeoptions USE_SSP="no"
13
14 maxusers 8 # estimated number of users
15
16 # CPU-related options.
17 #options VM86 # virtual 8086 emulation
18 #options USER_LDT # user-settable LDT; used by WINE
19
20 # This option allows you to force a serial console at the specified
21 # I/O address. see console(4) for details.
22 #options CONSDEVNAME="\"com\""
23
24 # The following options override the memory sizes passed in from the boot
25 # block. Use them *only* if the boot block is unable to determine the correct
26 # values. Note that the BIOS may *correctly* report less than 640k of base
27 # memory if the extended BIOS data area is located at the top of base memory
28 # (as is the case on most recent systems).
29 #options REALBASEMEM=... # size of base memory
30 #options REALEXTMEM=... # size of extended memory
31
32 # Standard system options
33
34 options INSECURE # disable kernel security levels - X needs this
35
36 options RTC_OFFSET=0 # hardware clock is this many mins. west of GMT
37 #options NTP # NTP phase/frequency locked loop
38
39 #options KTRACE # system call tracing via ktrace(1)
40
41 #options SYSVMSG # System V-like message queues
42 #options SYSVSEM # System V-like semaphores
43 #options SYSVSHM # System V-like memory sharing
44
45 #options USERCONF # userconf(4) support
46 options PIPE_SOCKETPAIR # smaller, but slower pipe(2)
47 #options SYSCTL_INCLUDE_DESCR # Include sysctl descriptions in kernel
48
49 # Diagnostic/debugging support options
50 #options DIAGNOSTIC # inexpensive kernel consistency checks
51 #options DEBUG # expensive debugging checks/support
52 #options KMEMSTATS # kernel memory statistics (vmstat -m)
53 #options DDB # in-kernel debugger
54 #options DDB_ONPANIC=1 # see also sysctl(7): `ddb.onpanic'
55 #options DDB_HISTORY_SIZE=512 # enable history editing in DDB
56 #options KGDB # remote debugger
57 #options KGDB_DEVNAME="\"com\"",KGDB_DEVADDR=0x3f8,KGDB_DEVRATE=9600
58 #makeoptions DEBUG="-g" # compile full symbol table
59
60 # Compatibility options
61 #options COMPAT_NOMID # NetBSD 0.8, 386BSD, and BSDI
62 #options COMPAT_09 # NetBSD 0.9,
63 #options COMPAT_10 # NetBSD 1.0,
64 #options COMPAT_11 # NetBSD 1.1,
65 options COMPAT_12 # NetBSD 1.2 (and 386BSD and BSDI),
66 options COMPAT_13 # NetBSD 1.3 (and 386BSD and BSDI),
67 options COMPAT_14 # NetBSD 1.4,
68 options COMPAT_15 # NetBSD 1.5,
69 options COMPAT_16 # NetBSD 1.6,
70 options COMPAT_20 # NetBSD 2.0,
71 options COMPAT_30 # NetBSD 3.0,
72 options COMPAT_40 # NetBSD 4.0,
73 options COMPAT_50 # NetBSD 5.0,
74 options COMPAT_60 # NetBSD 6.0, and
75 options COMPAT_70 # NetBSD 7.0 binary compatibility.
76 options COMPAT_43 # 4.3BSD, 386BSD, and BSDI
77 #options COMPAT_386BSD_MBRPART # recognize old partition ID
78 #options TCP_COMPAT_42 # 4.2BSD TCP/IP bug compat. Not recommended.
79
80 #options COMPAT_SVR4 # binary compatibility with SVR4
81 #options COMPAT_IBCS2 # binary compatibility with SCO and ISC
82 #options COMPAT_LINUX # binary compatibility with Linux
83 #options COMPAT_FREEBSD # binary compatibility with FreeBSD
84 options COMPAT_BSDPTY # /dev/[pt]ty?? ptys.
85
86 # File systems
87 file-system FFS # UFS
88 #file-system EXT2FS # second extended file system (linux)
89 #file-system LFS # log-structured file system
90 #file-system MFS # memory file system
91 file-system NFS # Network File System client
92 file-system CD9660 # ISO 9660 + Rock Ridge file system
93 file-system MSDOSFS # MS-DOS file system
94 #file-system FDESC # /dev/fd
95 file-system KERNFS # /kern
96 #file-system NULLFS # loopback file system
97 #file-system PROCFS # /proc
98 #file-system UMAPFS # NULLFS + uid and gid remapping
99 #file-system UNION # union file system
100 #file-system PTYFS # /dev/pts/N support
101 #file-system TMPFS # Efficient memory file-system
102
103 # File system options
104 #options QUOTA # legacy UFS quotas
105 #options QUOTA2 # new, in-filesystem UFS quotas
106 #options FFS_EI # FFS Endian Independent support
107 #options NFSSERVER # Network File System server
108 options FFS_NO_SNAPSHOT # No FF snapshot support
109 #options EXT2FS_SYSTEM_FLAGS # makes ext2fs file flags (append and
110 # immutable) behave as system flags.
111
112 # Networking options
113 #options GATEWAY # packet forwarding
114 options INET # IP + ICMP + TCP + UDP
115 #options MROUTING # IP multicast routing
116 #options PIM # Protocol Independent Multicast
117 #options NETATALK # AppleTalk networking protocols
118 #options PPP_BSDCOMP # BSD-Compress compression support for PPP
119 #options PPP_DEFLATE # Deflate compression support for PPP
120 #options PPP_FILTER # Active filter support for PPP (requires bpf)
121 #options IPFILTER_LOG # ipmon(8) log support
122 #options IPFILTER_LOOKUP # ippool(8) support
123 options IPFILTER_COMPAT # Compat for IP-Filter
124 #options IPFILTER_DEFAULT_BLOCK # block all packets by default
125 #options TCP_DEBUG # Record last TCP_NDEBUG packets with SO_DEBUG
126
127 #options ALTQ # Manipulate network interfaces' output queues
128 #options ALTQ_BLUE # Stochastic Fair Blue
129 #options ALTQ_CBQ # Class-Based Queueing
130 #options ALTQ_CDNR # Diffserv Traffic Conditioner
131 #options ALTQ_FIFOQ # First-In First-Out Queue
132 #options ALTQ_FLOWVALVE # RED/flow-valve (red-penalty-box)
133 #options ALTQ_HFSC # Hierarchical Fair Service Curve
134 #options ALTQ_LOCALQ # Local queueing discipline
135 #options ALTQ_PRIQ # Priority Queueing
136 #options ALTQ_RED # Random Early Detection
137 #options ALTQ_RIO # RED with IN/OUT
138 #options ALTQ_WFQ # Weighted Fair Queueing
139
140 # These options enable verbose messages for several subsystems.
141 # Warning, these may compile large string tables into the kernel!
142 #options EISAVERBOSE # verbose EISA device autoconfig messages
143 #options PCIVERBOSE # verbose PCI device autoconfig messages
144 #options PCI_CONFIG_DUMP # verbosely dump PCI config space
145 #options PCMCIAVERBOSE # verbose PCMCIA configuration messages
146 #options SCSIVERBOSE # human readable SCSI error messages
147 #options USBVERBOSE # verbose USB device autoconfig messages
148
149 #options NFS_BOOT_BOOTP,NFS_BOOT_BOOTPARAM
150
151 # Kernel root file system and dump configuration.
152 config netbsd root on ? type ?
153 #config netbsd root on sd0a type ffs
154 #config netbsd root on ? type nfs
155
156 #
157 # wscons options
158 #
159 # builtin terminal emulations
160 #options WSEMUL_SUN # sun terminal emulation
161 options WSEMUL_VT100 # VT100 / VT220 emulation
162 # customization of console and kernel output - see dev/wscons/wsdisplayvar.h
163 #options WSDISPLAY_CUSTOM_OUTPUT # color customization from wsconsctl(8)
164 #options WS_DEFAULT_FG=WSCOL_WHITE
165 #options WS_DEFAULT_BG=WSCOL_BLACK
166 #options WS_DEFAULT_COLATTR="(0)"
167 #options WS_DEFAULT_MONOATTR="(0)"
168 options WS_KERNEL_FG=WSCOL_GREEN
169 #options WS_KERNEL_BG=WSCOL_BLACK
170 #options WS_KERNEL_COLATTR=""
171 #options WS_KERNEL_MONOATTR=""
172 # customization of console border color
173 #options WSDISPLAY_CUSTOM_BORDER # border customization from wsconsctl(8)
174 #options WSDISPLAY_BORDER_COLOR=WSCOL_BLUE # default color
175 # compatibility to other console drivers
176 options WSDISPLAY_COMPAT_PCVT # emulate some ioctls
177 options WSDISPLAY_COMPAT_SYSCONS # emulate some ioctls
178 options WSDISPLAY_COMPAT_USL # wsconscfg VT handling
179 options WSDISPLAY_COMPAT_RAWKBD # can get raw scancodes
180 # see dev/pckbport/wskbdmap_mfii.c for implemented layouts
181 #options PCKBD_LAYOUT="(KB_DE | KB_NODEAD)" # for pckbd driver
182 #options UKBD_LAYOUT="(KB_DE | KB_NODEAD)" # for ukbd driver
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
186 options PCDISPLAY_SOFTCURSOR
187
188 #
189 # Device configuration
190 #
191
192 #apm0 at mainbus0 # Advanced power management
193
194
195 # Basic Bus Support
196
197 # PCI bus support
198 #pci* at mainbus? bus ?
199 #pci* at pchb? bus ?
200 #pci* at ppb? bus ?
201
202 # PCI bridges
203 #pchb* at pci? dev ? function ? # PCI-Host bridges
204 #pceb* at pci? dev ? function ? # PCI-EISA bridges
205 #pcib* at pci? dev ? function ? # PCI-ISA bridges
206 #ichlpcib* at pci? dev ? function ? # Intel ICH PCI-ISA w/ watchdog and
207 # SpeedStep support
208 #ppb* at pci? dev ? function ? # PCI-PCI bridges
209 # XXX 'puc's aren't really bridges, but there's no better place for them here
210 #puc* at pci? dev ? function ? # PCI "universal" comm. cards
211
212 # EISA bus support
213 #eisa0 at mainbus?
214 #eisa0 at pceb?
215
216 # ISA bus support
217 isa0 at mainbus?
218 #isa0 at pceb?
219 #isa0 at pcib?
220 #isa0 at ichlpcib?
221
222 # PCMCIA bus support
223 pcmcia* at pcic? controller ? socket ?
224
225 # ISA PCMCIA controllers
226 pcic0 at isa? port 0x3e0 iomem 0xd0000 iosiz 0x4000
227 pcic1 at isa? port 0x3e2 iomem 0xd4000 iosiz 0x4000
228
229 # ISA Plug-and-Play bus support
230 #isapnp0 at isa?
231
232 # ISA Plug-and-Play PCMCIA controllers
233 #pcic* at isapnp?
234
235 # Console Devices
236
237 # wscons
238 pckbc0 at isa? # PC keyboard controller
239 pckbd* at pckbc? # PC keyboard
240 #pms* at pckbc? # PS/2 mouse for wsmouse
241 vga0 at isa?
242 #vga* at pci? dev ? function ?
243 pcdisplay0 at isa? # CGA, MDA, EGA, HGA
244 wsdisplay* at vga? console ?
245 wsdisplay* at pcdisplay? console ?
246 wskbd* at pckbd? console ?
247 #wsmouse* at pms? mux 0
248
249
250 #attimer0 at isa?
251 #pcppi0 at isa?
252 #sysbeep0 at pcppi?
253
254 # Serial Devices
255
256 # PCI serial interfaces
257 #com* at puc? port ? # 16x50s on "universal" comm boards
258 #cy* at pci? dev ? function ? # Cyclades Cyclom-Y serial boards
259
260 # ISA Plug-and-Play serial interfaces
261 #com* at isapnp? # Modems and serial boards
262
263 # PCMCIA serial interfaces
264 com* at pcmcia? function ? # Modems and serial cards
265
266 # ISA serial interfaces
267 #options COM_HAYESP # adds Hayes ESP serial board support
268 com0 at isa? port 0x3f8 irq 4 # Standard PC serial ports
269 com1 at isa? port 0x2f8 irq 3
270 com2 at isa? port 0x3e8 irq 5
271 #com3 at isa? port 0x2e8 irq 9
272 #ast0 at isa? port 0x1a0 irq 5 # AST 4-port serial cards
273 #com* at ast? slave ?
274 #boca0 at isa? port 0x100 irq 5 # BOCA 8-port serial cards
275 #com* at boca? slave ?
276 #rtfps0 at isa? port 0x1230 irq 10 # RT 4-port serial cards
277 #com* at rtfps? slave ?
278 #cy0 at isa? iomem 0xd4000 irq 12 # Cyclades serial cards
279
280
281 # Parallel Printer Interfaces
282
283 # PCI parallel printer interfaces
284 #lpt* at puc? port ? # || ports on "universal" comm boards
285
286 # ISA parallel printer interfaces
287 lpt0 at isa? port 0x378 irq 7 # standard PC parallel ports
288 #lpt1 at isa? port 0x278
289 #lpt2 at isa? port 0x3bc
290
291
292 # SCSI Controllers and Devices
293
294 # PCI SCSI controllers
295 #ahc* at pci? dev ? function ? # Adaptec [23]94x, aic78x0 SCSI
296 #dpt* at pci? dev ? function ? # DPT SmartCache/SmartRAID
297 #bha* at pci? dev ? function ? # BusLogic 9xx SCSI
298 #isp* at pci? dev ? function ? # Qlogic ISP [12]0x0 SCSI/FibreChannel
299 #siop* at pci? dev ? function ? # NCR 53c8xx SCSI
300 #esiop* at pci? dev ? function ? # NCR 53c875 SCSI and newer
301 #options SIOP_SYMLED # drive the act. LED in software
302
303 # EISA SCSI controllers
304 #ahb* at eisa? slot ? # Adaptec 174[02] SCSI
305 #ahc* at eisa? slot ? # Adaptec 274x, aic7770 SCSI
306 #bha* at eisa? slot ? # BusLogic 7xx SCSI
307 #dpt* at eisa? slot ? # DPT SmartCache/SmartRAID
308 #uha* at eisa? slot ? # UltraStor 24f SCSI
309
310 # PCMCIA SCSI controllers
311 #aic* at pcmcia? function ? # Adaptec APA-1460 SCSI
312
313 # ISA Plug-and-Play SCSI controllers
314 #aic* at isapnp? # Adaptec AHA-1520B
315
316 # ISA SCSI controllers
317 #aha0 at isa? port 0x330 irq ? drq ? # Adaptec 154[02] SCSI
318 #aha1 at isa? port 0x334 irq ? drq ?
319 #ahc0 at isa? port ? irq ? # Adaptec 284x SCSI
320 #aic0 at isa? port 0x340 irq 11 # Adaptec 152[02] SCSI
321 #bha0 at isa? port 0x330 irq ? drq ? # BusLogic [457]4X SCSI
322 #bha1 at isa? port 0x334 irq ? drq ?
323 #sea0 at isa? iomem 0xc8000 irq 5 # Seagate/Future Domain SCSI
324 #uha0 at isa? port 0x330 irq ? drq ? # UltraStor [13]4f SCSI
325 #uha1 at isa? port 0x340 irq ? drq ?
326 #wds0 at isa? port 0x350 irq 15 drq 6 # WD7000 and TMC-7000 controllers
327 #wds1 at isa? port 0x358 irq 11 drq 5
328
329 # SCSI bus support
330 #scsibus* at scsi?
331
332 # SCSI devices
333 #sd* at scsibus? target ? lun ? # SCSI disk drives
334 #st* at scsibus? target ? lun ? # SCSI tape drives
335 #cd* at scsibus? target ? lun ? # SCSI CD-ROM drives
336 #ch* at scsibus? target ? lun ? # SCSI autochangers
337 #ss* at scsibus? target ? lun ? # SCSI scanners
338 #uk* at scsibus? target ? lun ? # SCSI unknown
339
340
341 # IDE and related devices
342
343 # ISA Plug-and-Play IDE controllers
344 #wdc* at isapnp?
345
346 # PCMCIA IDE controllers
347 wdc* at pcmcia? function ?
348
349 # ISA IDE controllers
350 wdc0 at isa? port 0x1f0 irq 14 # ST506, ESDI, and IDE controllers
351 wdc1 at isa? port 0x170 irq 15
352
353 # ATA (IDE) bus support
354 atabus* at ata?
355 #options ATADEBUG
356
357 # IDE drives
358 wd* at atabus? drive ? # the drives themselves
359
360 # ATAPI bus support
361 atapibus* at atapi?
362
363 # ATAPI devices
364 cd* at atapibus? drive ? # ATAPI CD-ROM drives
365 sd* at atapibus? drive ? # ATAPI disk drives
366
367
368 # Miscellaneous mass storage devices
369
370 # ISA floppy
371 fdc0 at isa? port 0x3f0 irq 6 drq 2 # standard PC floppy controllers
372 #fdc1 at isa? port 0x370 irq ? drq ?
373 fd* at fdc? drive ? # the drives themselves
374 # some machines need you to do this instead of fd*
375 #fd0 at fdc0 drive 0
376
377 # ISA CD-ROM devices
378 #mcd0 at isa? port 0x300 irq 10 # Mitsumi CD-ROM drives
379
380 # ISA tape devices
381 # note: the wt driver conflicts unpleasantly with SMC boards at the
382 # same I/O address. The probe reprograms their EEPROMs. Don't
383 # uncomment it unless you are actually using it.
384 #wt0 at isa? port 0x308 irq 5 drq 1 # Archive and Wangtek QIC tape drives
385
386
387 # Network Interfaces
388
389 # PCI network interfaces
390 #en* at pci? dev ? function ? # ENI/Adaptec ATM
391 #ep* at pci? dev ? function ? # 3Com 3c59x/3c90x Ethernet
392 #epic* at pci? dev ? function ? # SMC EPIC/100 Ethernet
393 #esh* at pci? dev ? function ? # Essential HIPPI card
394 #fpa* at pci? dev ? function ? # DEC DEFPA FDDI
395 #fxp* at pci? dev ? function ? # Intel EtherExpress PRO 10+/100B
396 #le* at pci? dev ? function ? # PCnet-PCI Ethernet
397 #ne* at pci? dev ? function ? # NE2000-compatible Ethernet
398 #tl* at pci? dev ? function ? # ThunderLAN-based Ethernet
399 #tlp* at pci? dev ? function ? # DECchip 21x4x and clones
400
401 # EISA network interfaces
402 #ep* at eisa? slot ? # 3Com 3c579 Ethernet
403 #fea* at eisa? slot ? # DEC DEFEA FDDI
404
405 # ISA Plug-and-Play network interfaces
406 #ep* at isapnp? # 3Com 3c509 Ethernet
407 #ne* at isapnp? # NE2000-compatible Ethernet
408
409 # PCMCIA network interfaces
410 ep* at pcmcia? function ? # 3Com 3c589 and 3c562 Ethernet
411 mbe* at pcmcia? function ? # MB8696x based Ethernet
412 ne* at pcmcia? function ? # NE2000-compatible Ethernet
413 sm* at pcmcia? function ? # Megahertz Ethernet
414
415 # ISA network interfaces
416 ate0 at isa? port 0x2a0 irq ? # AT1700
417 ec0 at isa? port 0x250 iomem 0xd8000 irq 9 # 3Com 3c503 Ethernet
418 eg0 at isa? port 0x280 irq 9 # 3c505 Ethernet cards
419 el0 at isa? port 0x300 irq 9 # 3c501 Ethernet cards
420 ep0 at isa? port ? irq ? # 3c509 Ethernet cards
421 ef0 at isa? port 0x360 iomem 0xd0000 irq 7 # 3c507
422 ai0 at isa? port 0x360 iomem 0xd0000 irq 7 # StarLAN
423 fmv0 at isa? port 0x2a0 irq ? # FMV-180 series
424 ix0 at isa? port 0x300 irq 10 # EtherExpress/16
425 iy0 at isa? port 0x360 irq ? # EtherExpress PRO 10 ISA
426 lc0 at isa? port 0x320 iomem ? irq ? # DEC EtherWORKS III (LEMAC)
427 #depca0 at isa? port 0x300 iomem 0xc8000 iosiz 0x8000 irq 5 # DEPCA
428 #le* at depca?
429 nele0 at isa? port 0x320 irq 9 drq 7 # NE2100
430 le* at nele?
431 bicc0 at isa? port 0x320 irq 10 drq 7 # BICC IsoLan
432 le* at bicc?
433 ne0 at isa? port 0x280 irq 9 # NE[12]000 Ethernet cards
434 ne1 at isa? port 0x300 irq 10
435 sm0 at isa? port 0x300 irq 10 # SMC91C9x Ethernet
436 we0 at isa? port 0x280 iomem 0xd0000 irq 9 # WD/SMC Ethernet
437 we1 at isa? port 0x300 iomem 0xcc000 irq 10
438
439 # MII bus support
440 #mii* at tl?
441
442 # MII PHY network interfaces
443 #tlphy* at mii? dev ? # ThunderLAN PHYs
444 #nsphy* at mii? dev ? # NS and compatible PHYs
445 #ukphy* at mii? phy ? # generic unknown PHYs
446
447
448 # USB Controller and Devices
449
450 # PCI USB controllers
451 #uhci* at pci? # Universal Host Controller (Intel)
452 #ohci* at pci? # Open Host Controller
453
454 # USB bus support
455 #usb* at uhci?
456 #usb* at ohci?
457
458 # USB Hubs
459 #uhub* at usb?
460 #uhub* at uhub? port ?
461
462 # USB Mice
463 #ums* at uhub? port ?
464
465 # USB Keyboards
466 #ukbd* at uhub? port ?
467
468 # USB Generic HID devices
469 #uhid* at uhub? port ?
470
471 # USB Printer
472 #ulpt* at uhub? port ?
473
474 # USB Mass Storage
475 #umass* at uhub? port ? configuration ? interface ?
476 #wd* at umass?
477
478 # USB Ethernet adapters
479 #aue* at uhub? port ? # ADMtek AN986 Pegasus based adapters
480 #axe* at uhub? port ? # ASIX AX88172 based adapters
481 #cue* at uhub? port ? # CATC USB-EL1201A based adapters
482 #kue* at uhub? port ? # Kawasaki LSI KL5KUSB101B based adapters
483 #url* at uhub? port ? # Realtek RTL8150L based adapters
484
485 # Y@P firmware loader
486 #uyap* at uhub? port ?
487
488 # USB Generic driver
489 #ugen* at uhub? port ?
490
491 # Audio Devices
492
493 # PCI audio devices
494 #eap* at pci? dev ? function ? # Ensoniq AudioPCI
495
496 # ISA Plug-and-Play audio devices
497 #guspnp* at isapnp? # Gravis Ultra Sound PnP audio
498 #sb* at isapnp? # SoundBlaster-compatible audio
499 #ym* at isapnp? # Yamaha OPL3-SA[23] audio
500
501 # ISA audio devices
502 #aria0 at isa? port 0x290 irq 10 # Aria
503 #gus0 at isa? port 0x220 irq 7 drq 1 drq2 6 # Gravis Ultra Sound
504 #pas0 at isa? port 0x220 irq 7 drq 1 # ProAudio Spectrum
505 #sb0 at isa? port 0x220 irq 5 drq 1 drq2 5 # SoundBlaster
506 #wss0 at isa? port 0x530 irq 10 drq 0 drq2 1 # Windows Sound System
507
508 # Audio support
509 #audio* at audiobus?
510
511 # The spkr driver provides a simple tone interface to the built in speaker.
512 #spkr0 at pcppi? # PC speaker
513
514
515 # Joysticks
516
517 # ISA Plug-and-Play joysticks
518 #joy* at isapnp? # Game ports (usually on audio cards)
519
520 # ISA joysticks. Probe is a little strange; add only if you have one.
521 #joy0 at isa? port 0x201
522
523
524 # Miscellaneous Devices
525
526 # Planetconnect Satellite receiver driver.
527 #satlink0 at isa? port 0x300 drq 1
528
529
530 # Pull in optional local configuration
531 cinclude "arch/i386/conf/GENERIC.local"
532
533
534 # Pseudo-Devices
535
536 # disk/mass storage pseudo-devices
537 #pseudo-device ccd # concatenated/striped disk devices
538 pseudo-device fss # file system snapshot device
539 #pseudo-device md # memory disk device (ramdisk)
540 pseudo-device vnd # disk-like interface to files
541 #options VND_COMPRESSION # compressed vnd(4)
542
543 # network pseudo-devices
544 pseudo-device bpfilter # Berkeley packet filter
545 pseudo-device bridge # simple inter-network bridging
546 pseudo-device ipfilter # IP filter (firewall) and NAT
547 pseudo-device loop # network loopback
548 pseudo-device ppp # Point-to-Point Protocol
549 pseudo-device pppoe # PPP over Ethernet (RFC 2516)
550 #pseudo-device sl # Serial Line IP
551 #pseudo-device strip # Starmode Radio IP (Metricom)
552 pseudo-device tun # network tunneling over tty
553 #pseudo-device tap # virtual Ethernet
554
555 # miscellaneous pseudo-devices
556 pseudo-device pty # pseudo-terminals
557 #options RND_COM # use "com" randomness as well (BROKEN)
558 pseudo-device clockctl # user control of clock subsystem
559