GENERIC revision 1.122 1 1.122 lukem # $NetBSD: GENERIC,v 1.122 1997/11/17 01:57:50 lukem Exp $
2 1.1 mycroft #
3 1.1 mycroft # GENERIC -- everything that's currently supported
4 1.1 mycroft #
5 1.1 mycroft
6 1.61 fvdl include "arch/i386/conf/std.i386"
7 1.14 cgd
8 1.110 thorpej maxusers 32 # estimated number of users
9 1.110 thorpej
10 1.110 thorpej # CPU support. At least one is REQUIRED.
11 1.110 thorpej options I386_CPU
12 1.82 mellon options I486_CPU
13 1.82 mellon options I586_CPU
14 1.110 thorpej options I686_CPU
15 1.110 thorpej
16 1.110 thorpej # CPU-related options.
17 1.82 mellon options MATH_EMULATE # floating point emulation
18 1.102 mycroft #options VM86 # virtual 8086 emulation
19 1.102 mycroft options USER_LDT # user-settable LDT; used by WINE
20 1.112 perry # eliminate delay no-ops in I/O; recommended on all but very old machines
21 1.112 perry #options DUMMY_NOPS
22 1.110 thorpej
23 1.110 thorpej # Misc. i386-specific options
24 1.110 thorpej options XSERVER # X server support in console drivers
25 1.110 thorpej
26 1.110 thorpej # This option allows you to force a serial console at the specified
27 1.121 drochner # I/O address. see console(4) for details.
28 1.121 drochner #options "CONSDEVNAME=\"com\""
29 1.32 thorpej
30 1.101 mycroft # The following options override the memory sizes passed in from the boot
31 1.101 mycroft # block. Use them *only* if the boot block is unable to determine the correct
32 1.111 perry # values. Note that the BIOS may *correctly* report less than 640k of base
33 1.101 mycroft # memory if the extended BIOS data area is located at the top of base memory
34 1.101 mycroft # (as is the case on most recent systems).
35 1.101 mycroft #options REALBASEMEM=... # size of base memory
36 1.101 mycroft #options REALEXTMEM=... # size of extended memory
37 1.1 mycroft
38 1.110 thorpej # Standard system options
39 1.110 thorpej
40 1.110 thorpej options UCONSOLE # users can use TIOCCONS (for xconsole)
41 1.110 thorpej options INSECURE # disable kernel security levels
42 1.1 mycroft
43 1.82 mellon options RTC_OFFSET=0 # hardware clock is this many mins. west of GMT
44 1.82 mellon #options NTP # NTP phase/frequency locked loop
45 1.1 mycroft
46 1.98 mikel options KTRACE # system call tracing via ktrace(1)
47 1.1 mycroft
48 1.82 mellon options SYSVMSG # System V-like message queues
49 1.82 mellon options SYSVSEM # System V-like semaphores
50 1.82 mellon options SYSVSHM # System V-like memory sharing
51 1.82 mellon #options SHMMAXPGS=1024 # 1024 pages is the default
52 1.82 mellon
53 1.110 thorpej options LKM # loadable kernel modules
54 1.110 thorpej
55 1.110 thorpej # Diagnostic/debugging support options
56 1.110 thorpej options DIAGNOSTIC # cheap kernel consistency checks
57 1.110 thorpej #options DEBUG # expensive debugging checks/support
58 1.110 thorpej options KMEMSTATS # kernel memory statistics (vmstat -m)
59 1.110 thorpej options DDB # in-kernel debugger
60 1.122 lukem #options DDB_HISTORY_SIZE=100 # enable history editing in DDB
61 1.110 thorpej #options KGDB # remote debugger
62 1.110 thorpej #options "KGDB_DEVNAME=\"com\"",KGDBADDR=0x3f8,KGDBRATE=9600
63 1.110 thorpej #makeoptions DEBUG="-g" # compile full symbol table
64 1.110 thorpej
65 1.116 mikel # Compatibility options
66 1.82 mellon options COMPAT_NOMID # compatibility with 386BSD, BSDI, NetBSD 0.8,
67 1.82 mellon options COMPAT_09 # NetBSD 0.9,
68 1.82 mellon options COMPAT_10 # NetBSD 1.0,
69 1.82 mellon options COMPAT_11 # NetBSD 1.1,
70 1.55 mycroft options COMPAT_12 # NetBSD 1.2,
71 1.82 mellon options COMPAT_43 # and 4.3BSD
72 1.1 mycroft
73 1.82 mellon options COMPAT_SVR4 # binary compatibility with SVR4
74 1.82 mellon options COMPAT_IBCS2 # binary compatibility with SCO and ISC
75 1.82 mellon options COMPAT_LINUX # binary compatibility with Linux
76 1.82 mellon options COMPAT_FREEBSD # binary compatibility with FreeBSD
77 1.59 mycroft
78 1.110 thorpej # Executable format options
79 1.82 mellon options EXEC_ELF32 # 32-bit ELF executables (SVR4, Linux)
80 1.1 mycroft
81 1.110 thorpej # File systems
82 1.71 thorpej file-system FFS # UFS
83 1.80 perry file-system EXT2FS # second extended file system (linux)
84 1.71 thorpej file-system LFS # log-structured file system
85 1.71 thorpej file-system MFS # memory file system
86 1.71 thorpej file-system NFS # Network File System client
87 1.71 thorpej file-system CD9660 # ISO 9660 + Rock Ridge file system
88 1.71 thorpej file-system MSDOSFS # MS-DOS file system
89 1.71 thorpej file-system FDESC # /dev/fd
90 1.71 thorpej file-system KERNFS # /kern
91 1.71 thorpej file-system NULLFS # loopback file system
92 1.71 thorpej file-system PORTAL # portal filesystem (still experimental)
93 1.71 thorpej file-system PROCFS # /proc
94 1.71 thorpej file-system UMAPFS # NULLFS + uid and gid remapping
95 1.71 thorpej file-system UNION # union file system
96 1.71 thorpej
97 1.110 thorpej # File system options
98 1.82 mellon options QUOTA # UFS quotas
99 1.82 mellon options NFSSERVER # Network File System server
100 1.82 mellon options FIFO # FIFOs; RECOMMENDED
101 1.81 veego #options EXT2FS_SYSTEM_FLAGS # makes ext2fs file flags (append and
102 1.80 perry # immutable) behave as system flags.
103 1.116 mikel
104 1.110 thorpej # Networking options
105 1.82 mellon #options GATEWAY # packet forwarding
106 1.82 mellon options INET # IP + ICMP + TCP + UDP
107 1.82 mellon #options MROUTING # IP multicast routing
108 1.82 mellon options NS # XNS
109 1.82 mellon #options NSIP # XNS tunneling over IP
110 1.82 mellon options ISO,TPIP # OSI
111 1.82 mellon options EON # OSI tunneling over IP
112 1.82 mellon options CCITT,LLC,HDLC # X.25
113 1.110 thorpej options NETATALK # AppleTalk networking protocols
114 1.110 thorpej #options PPP_BSDCOMP # BSD-Compress compression support for PPP
115 1.110 thorpej #options PPP_DEFLATE # Deflate compression support for PPP
116 1.110 thorpej #options PPP_FILTER # Active filter support for PPP (requires bpf)
117 1.82 mellon #options PFIL_HOOKS # pfil(9) packet filter hooks
118 1.1 mycroft
119 1.116 mikel # Compatibility with 4.2BSD implementation of TCP/IP. Not recommended.
120 1.110 thorpej #options TCP_COMPAT_42
121 1.1 mycroft
122 1.112 perry # These options enable verbose messages for several subsystems.
123 1.112 perry # Warning, these may compile large string tables into the kernel!
124 1.112 perry options EISAVERBOSE # verbose EISA device autoconfig messages
125 1.112 perry options PCIVERBOSE # verbose PCI device autoconfig messages
126 1.110 thorpej #options PCMCIAVERBOSE # verbose PCMCIA configuration messages
127 1.112 perry options SCSIVERBOSE # human readable SCSI error messages
128 1.110 thorpej
129 1.110 thorpej # Kernel root file system and dump configuration.
130 1.110 thorpej config netbsd root on ? type ?
131 1.110 thorpej #config netbsd root on sd0a type ffs
132 1.110 thorpej #config netbsd root on ? type nfs
133 1.110 thorpej
134 1.110 thorpej #
135 1.110 thorpej # Device configuration
136 1.110 thorpej #
137 1.63 thorpej
138 1.31 cgd mainbus0 at root
139 1.31 cgd
140 1.110 thorpej #apm0 at mainbus0 # Advanced power management
141 1.1 mycroft
142 1.112 perry
143 1.112 perry # Basic Bus Support
144 1.112 perry
145 1.110 thorpej # PCI bus support
146 1.110 thorpej pci* at mainbus? bus ?
147 1.110 thorpej pci* at pchb? bus ?
148 1.30 cgd pci* at ppb? bus ?
149 1.110 thorpej
150 1.112 perry # PCI bridges
151 1.63 thorpej pchb* at pci? dev ? function ? # PCI-Host bridges
152 1.63 thorpej pcib* at pci? dev ? function ? # PCI-ISA bridges
153 1.110 thorpej ppb* at pci? dev ? function ? # PCI-PCI bridges
154 1.110 thorpej
155 1.110 thorpej # EISA bus support
156 1.110 thorpej eisa* at mainbus?
157 1.110 thorpej
158 1.110 thorpej # ISA bus support
159 1.110 thorpej isa* at mainbus?
160 1.110 thorpej isa* at pcib?
161 1.63 thorpej
162 1.112 perry # PCMCIA bus support
163 1.112 perry pcmcia* at pcic? controller ? socket ?
164 1.112 perry
165 1.112 perry # ISA PCMCIA controllers
166 1.112 perry pcic0 at isa? port 0x3e0 iomem 0xd0000 iosiz 0x4000
167 1.112 perry pcic1 at isa? port 0x3e2 iomem 0xd4000 iosiz 0x4000
168 1.112 perry
169 1.112 perry # ISA Plug-and-Play bus support
170 1.112 perry isapnp0 at isa?
171 1.112 perry
172 1.112 perry
173 1.112 perry # Coprocessor Support
174 1.112 perry
175 1.112 perry # Math Coprocessor support
176 1.112 perry npx0 at isa? port 0xf0 irq 13 # x86 math coprocessor
177 1.112 perry
178 1.112 perry
179 1.112 perry # Console Devices
180 1.112 perry
181 1.112 perry # ISA console. You can only configure one of these!
182 1.112 perry pc0 at isa? port 0x60 irq 1 # pccons generic PC console driver
183 1.112 perry #vt0 at isa? port 0x60 irq 1 # PCVT console driver
184 1.110 thorpej
185 1.110 thorpej
186 1.112 perry # Serial Devices
187 1.63 thorpej
188 1.112 perry # PCI serial interfaces
189 1.112 perry cy* at pci? dev ? function ? # Cyclades Cyclom-Y serial boards
190 1.30 cgd
191 1.112 perry # ISA Plug-and-Play serial interfaces
192 1.112 perry com* at isapnp? # Modems and serial boards
193 1.1 mycroft
194 1.112 perry # PCMCIA serial interfaces
195 1.112 perry com* at pcmcia? function ? # Modems and serial cards
196 1.1 mycroft
197 1.110 thorpej # ISA serial interfaces
198 1.89 perry #options COM_HAYESP # adds Hayes ESP serial board support
199 1.112 perry com0 at isa? port 0x3f8 irq 4 # Standard PC serial ports
200 1.2 mycroft com1 at isa? port 0x2f8 irq 3
201 1.2 mycroft com2 at isa? port 0x3e8 irq 5
202 1.2 mycroft #com3 at isa? port 0x2e8 irq 9
203 1.8 mycroft #ast0 at isa? port 0x1a0 irq 5 # AST 4-port serial cards
204 1.34 cgd #com* at ast? slave ?
205 1.8 mycroft #boca0 at isa? port 0x100 irq 5 # BOCA 8-port serial cards
206 1.8 mycroft #com* at boca? slave ?
207 1.1 mycroft #rtfps0 at isa? port 0x1230 irq 10 # RT 4-port serial cards
208 1.1 mycroft #com* at rtfps? slave ?
209 1.58 christos #cy0 at isa? iomem 0xd4000 irq 12 # Cyclades serial cards
210 1.88 mikel
211 1.1 mycroft
212 1.112 perry # Parallel Printer Interfaces
213 1.110 thorpej
214 1.112 perry # ISA parallel printer interfaces
215 1.110 thorpej lpt0 at isa? port 0x378 irq 7 # standard PC parallel ports
216 1.110 thorpej lpt1 at isa? port 0x278
217 1.110 thorpej lpt2 at isa? port 0x3bc
218 1.1 mycroft
219 1.40 perry
220 1.112 perry # SCSI Controllers and Devices
221 1.68 christos
222 1.112 perry # PCI SCSI controllers
223 1.112 perry ahc* at pci? dev ? function ? # Adaptec [23]94x, aic78x0 SCSI
224 1.112 perry bha* at pci? dev ? function ? # BusLogic 9xx SCSI
225 1.112 perry isp* at pci? dev ? function ? # Qlogic ISP [12]0x0 SCSI/FibreChannel
226 1.112 perry ncr* at pci? dev ? function ? # NCR 53c8xx SCSI
227 1.110 thorpej
228 1.112 perry # EISA SCSI controllers
229 1.112 perry ahb* at eisa? slot ? # Adaptec 174[02] SCSI
230 1.112 perry ahc* at eisa? slot ? # Adaptec 274x, aic7770 SCSI
231 1.112 perry bha* at eisa? slot ? # BusLogic 7xx SCSI
232 1.112 perry uha* at eisa? slot ? # UltraStor 24f SCSI
233 1.105 thorpej
234 1.112 perry # PCMCIA SCSI controllers
235 1.110 thorpej aic* at pcmcia? function ? # Adaptec APA-1460 SCSI
236 1.110 thorpej
237 1.112 perry # ISA SCSI controllers
238 1.112 perry aha0 at isa? port 0x330 irq ? drq ? # Adaptec 154[02] SCSI
239 1.112 perry aha1 at isa? port 0x334 irq ? drq ?
240 1.112 perry ahc0 at isa? port ? irq ? # Adaptec 284x SCSI
241 1.112 perry aic0 at isa? port 0x340 irq 11 # Adaptec 152[02] SCSI
242 1.116 mikel bha0 at isa? port 0x330 irq ? drq ? # BusLogic [457]4X SCSI
243 1.112 perry bha1 at isa? port 0x334 irq ? drq ?
244 1.112 perry sea0 at isa? iomem 0xc8000 irq 5 # Seagate/Future Domain SCSI
245 1.112 perry uha0 at isa? port 0x330 irq ? drq ? # UltraStor [13]4f SCSI
246 1.112 perry uha1 at isa? port 0x334 irq ? drq ?
247 1.112 perry wds0 at isa? port 0x350 irq 15 drq 6 # WD7000 and TMC-7000 controllers
248 1.112 perry wds1 at isa? port 0x358 irq 11 drq 5
249 1.110 thorpej
250 1.110 thorpej # SCSI bus support
251 1.110 thorpej scsibus* at aha?
252 1.110 thorpej scsibus* at ahb?
253 1.110 thorpej scsibus* at ahc?
254 1.110 thorpej scsibus* at aic?
255 1.110 thorpej scsibus* at bha?
256 1.110 thorpej scsibus* at isp?
257 1.110 thorpej scsibus* at ncr?
258 1.110 thorpej scsibus* at sea?
259 1.110 thorpej scsibus* at uha?
260 1.110 thorpej scsibus* at wds?
261 1.110 thorpej
262 1.110 thorpej # SCSI devices
263 1.110 thorpej sd* at scsibus? target ? lun ? # SCSI disk drives
264 1.110 thorpej st* at scsibus? target ? lun ? # SCSI tape drives
265 1.110 thorpej cd* at scsibus? target ? lun ? # SCSI CD-ROM drives
266 1.110 thorpej ch* at scsibus? target ? lun ? # SCSI autochangers
267 1.110 thorpej ss* at scsibus? target ? lun ? # SCSI scanners
268 1.110 thorpej uk* at scsibus? target ? lun ? # SCSI unknown
269 1.110 thorpej
270 1.112 perry
271 1.112 perry # IDE and Related Devices
272 1.112 perry
273 1.112 perry # ISA IDE controllers
274 1.112 perry wdc0 at isa? port 0x1f0 irq 14 # ST506, ESDI, and IDE controllers
275 1.112 perry wdc1 at isa? port 0x170 irq 15
276 1.112 perry
277 1.112 perry # IDE drives
278 1.116 mikel wd* at wdc? drive ? # the drives themselves
279 1.112 perry
280 1.110 thorpej # ATAPI bus support
281 1.110 thorpej atapibus* at wdc?
282 1.110 thorpej
283 1.110 thorpej # ATAPI devices
284 1.110 thorpej cd* at atapibus? drive ? # ATAPI CD-ROM drives
285 1.110 thorpej
286 1.112 perry
287 1.112 perry # Miscellaneous mass storage devices
288 1.112 perry
289 1.112 perry # ISA floppy
290 1.112 perry fdc0 at isa? port 0x3f0 irq 6 drq 2 # standard PC floppy controllers
291 1.112 perry #fdc1 at isa? port 0x370 irq ? drq ?
292 1.112 perry fd* at fdc? drive ? # the drives themselves
293 1.112 perry # some machines need you to do this instead of fd*
294 1.112 perry #fd0 at fdc0 drive 0
295 1.112 perry
296 1.112 perry # ISA CD-ROM devices
297 1.112 perry #mcd0 at isa? port 0x300 irq 10 # Mitsumi CD-ROM drives
298 1.112 perry
299 1.112 perry # ISA tape devices
300 1.112 perry # note: the wt driver conflicts unpleasantly with ed devices at the
301 1.116 mikel # same I/O address. The probe reprograms their EEPROMs. Don't
302 1.112 perry # uncomment it unless you are actually using it.
303 1.112 perry #wt0 at isa? port 0x300 irq 5 drq 1 # Archive and Wangtek QIC tape drives
304 1.112 perry
305 1.112 perry
306 1.112 perry # Network Interfaces
307 1.112 perry
308 1.112 perry # PCI network interfaces
309 1.112 perry de* at pci? dev ? function ? # DEC 21x4x-based Ethernet
310 1.112 perry en* at pci? dev ? function ? # ENI/Adaptec ATM
311 1.112 perry ep* at pci? dev ? function ? # 3Com 3c59x/3c90x Ethernet
312 1.112 perry fpa* at pci? dev ? function ? # DEC DEFPA FDDI
313 1.112 perry fxp* at pci? dev ? function ? # Intel EtherExpress PRO 10+/100B
314 1.112 perry le* at pci? dev ? function ? # PCnet-PCI Ethernet
315 1.112 perry ne* at pci? dev ? function ? # NE2000-compatible Ethernet
316 1.115 bouyer tl* at pci? dev ? function ? # ThunderLAN-based Ethernet
317 1.112 perry
318 1.112 perry # EISA network interfaces
319 1.112 perry ep* at eisa? slot ? # 3Com 3c579 Ethernet
320 1.112 perry fea* at eisa? slot ? # DEC DEFEA FDDI
321 1.112 perry
322 1.112 perry # ISA Plug-and-Play network interfaces
323 1.112 perry ep* at isapnp? # 3Com 3c509 Ethernet
324 1.112 perry ne* at isapnp? # NE2000-compatible Ethernet
325 1.112 perry
326 1.112 perry # PCMCIA network interfaces
327 1.112 perry ep* at pcmcia? function ? # 3Com 3c589 and 3c562 Ethernet
328 1.112 perry ne* at pcmcia? function ? # NE2000-compatible Ethernet
329 1.112 perry sm* at pcmcia? function ? # Megahertz Ethernet
330 1.112 perry
331 1.112 perry # ISA network interfaces
332 1.117 thorpej ec0 at isa? port 0x250 iomem 0xd8000 irq 9 # 3Com 3c503 Ethernet
333 1.120 thorpej eg0 at isa? port 0x280 irq 9 # 3C505 ethernet cards
334 1.112 perry el0 at isa? port 0x300 irq 9 # 3C501 ethernet cards
335 1.112 perry ep0 at isa? port ? irq ? # 3C509 ethernet cards
336 1.112 perry fe0 at isa? port 0x2a0 irq ? # AT1700
337 1.112 perry ie0 at isa? port 0x360 iomem 0xd0000 irq 7 # StarLAN and 3C507
338 1.112 perry ie1 at isa? port 0x300 irq 10 # EtherExpress
339 1.121 drochner iy0 at isa? port 0x360 irq ? # EtherExpress PRO 10 ISA
340 1.112 perry lc0 at isa? port ? iomem ? irq ? # DEC EtherWORKS III (LEMAC)
341 1.112 perry #le0 at isa? port 0x320 irq 10 drq 7 # IsoLan, NE2100, and DEPCA
342 1.112 perry ne0 at isa? port 0x280 irq 9 # NE[12]000 ethernet cards
343 1.112 perry ne1 at isa? port 0x300 irq 10
344 1.119 thorpej sm0 at isa? port 0x300 irq 10 # SMC91C9x Ethernet
345 1.118 thorpej we0 at isa? port 0x280 iomem 0xd0000 irq 9 # WD/SMC Ethernet
346 1.118 thorpej we1 at isa? port 0x300 iomem 0xcc000 irq 10
347 1.112 perry
348 1.110 thorpej # MII bus support
349 1.110 thorpej mii* at tl?
350 1.110 thorpej
351 1.112 perry # MII PHY network interfaces
352 1.115 bouyer tlphy* at mii? dev ? # ThunderLAN PHYs
353 1.110 thorpej nsphy* at mii? dev ? # NS and compatible PHYs
354 1.84 hpeyerl
355 1.112 perry
356 1.112 perry # Audio Devices
357 1.112 perry
358 1.112 perry # ISA Plug-and-Play audio devices
359 1.112 perry guspnp* at isapnp? # Gravis Ultra Sound PnP audio
360 1.112 perry sb* at isapnp? # SoundBlaster-compatible audio
361 1.112 perry
362 1.112 perry # ISA audio devices
363 1.112 perry gus0 at isa? port 0x220 irq 7 drq 1 drq2 6 # Gravis Ultra Sound
364 1.112 perry pas0 at isa? port 0x220 irq 7 drq 1 # ProAudio Spectrum
365 1.112 perry pss0 at isa? port 0x220 irq 7 drq 6 # Personal Sound System
366 1.112 perry sp0 at pss0 port 0x530 irq 10 drq 0 # sound port driver
367 1.112 perry sb0 at isa? port 0x220 irq 7 drq 1 drq2 5 # SoundBlaster
368 1.112 perry wss0 at isa? port 0x530 irq 10 drq 0 drq2 1 # Windows Sound System
369 1.112 perry
370 1.112 perry # Audio support
371 1.112 perry audio* at gus?
372 1.112 perry audio* at guspnp?
373 1.112 perry audio* at pas?
374 1.112 perry audio* at sb?
375 1.112 perry audio* at sp?
376 1.112 perry audio* at wss?
377 1.112 perry
378 1.112 perry # The spkr driver provides a simple tone interface to the built in speaker.
379 1.112 perry #spkr0 at pckbd? port 0x61 # PC speaker
380 1.112 perry
381 1.112 perry
382 1.112 perry # Mice
383 1.112 perry
384 1.112 perry # ISA busmice
385 1.112 perry lms0 at isa? port 0x23c irq 5 # Logitech bus mouse
386 1.112 perry lms1 at isa? port 0x238 irq 5
387 1.112 perry mms0 at isa? port 0x23c irq 5 # Microsoft InPort mouse
388 1.112 perry mms1 at isa? port 0x238 irq 5
389 1.112 perry #pms0 at pckbd? irq 12 # PS/2 auxiliary port mouse
390 1.112 perry
391 1.112 perry
392 1.112 perry # Joysticks
393 1.112 perry
394 1.112 perry # ISA Plug-and-Play joysticks
395 1.112 perry joy* at isapnp? # Game ports (usually on audio cards)
396 1.112 perry
397 1.112 perry # ISA joysticks. Probe is a little strange; add only if you have one.
398 1.112 perry #joy0 at isa? port 0x201
399 1.112 perry
400 1.112 perry
401 1.112 perry # Miscellaneous Devices
402 1.112 perry
403 1.112 perry # Planetconnect Satellite receiver driver.
404 1.112 perry #satlink0 at isa? port 0x300 drq 1
405 1.112 perry
406 1.112 perry
407 1.110 thorpej # Pull in optional local configuration
408 1.57 mycroft include "arch/i386/conf/GENERIC.local"
409 1.1 mycroft
410 1.112 perry
411 1.112 perry # Pseudo-Devices
412 1.112 perry
413 1.112 perry # disk/mass storage pseudo-devices
414 1.112 perry pseudo-device ccd 4 # concatenated/striped disk devices
415 1.112 perry pseudo-device md 1 # memory disk device (ramdisk)
416 1.112 perry pseudo-device vnd 4 # disk-like interface to files
417 1.112 perry
418 1.112 perry # network pseudo-devices
419 1.110 thorpej pseudo-device bpfilter 8 # Berkeley packet filter
420 1.110 thorpej pseudo-device ipfilter # IP filter (firewall) and NAT
421 1.110 thorpej pseudo-device loop # network loopback
422 1.110 thorpej pseudo-device ppp 2 # Point-to-Point Protocol
423 1.112 perry pseudo-device sl 2 # Serial Line IP
424 1.112 perry pseudo-device strip 2 # Starmode Radio IP (Metricom)
425 1.112 perry pseudo-device tun 2 # network tunneling over tty
426 1.112 perry
427 1.112 perry # miscellaneous pseudo-devices
428 1.110 thorpej pseudo-device pty 64 # pseudo-terminals
429 1.113 explorer pseudo-device tb 1 # tablet line discipline
430 1.113 explorer
431 1.116 mikel # rnd is EXPERIMENTAL at this point.
432 1.103 explorer #pseudo-device rnd # /dev/random and in-kernel generator
433 1.114 explorer #options RND_COM # use "com" randomness as well (BROKEN)
434