INSTALL revision 1.23 1 # $NetBSD: INSTALL,v 1.23 2000/10/20 11:24:48 pk Exp $
2 #
3 # from: NetBSD: GENERIC,v 1.84 1999/06/06 13:00:03 mrg Exp
4 #
5 # floppy install kernel. try to keep this in sync with GENERIC but
6 # leave as much disabled as possible.
7
8 include "arch/sparc/conf/std.sparc"
9
10 makeoptions COPTS="-Os" # Optimise for space. Implies -O2
11
12 maxusers 32
13
14 # Enable the hooks used for initializing the root memory-disk.
15 options MEMORY_DISK_HOOKS
16 options MEMORY_DISK_IS_ROOT # force root on memory disk
17 options MEMORY_DISK_SERVER=0 # no userspace memory disk support
18 ## The miniroot size must be kept in sync manually with the size of
19 ## the `ramdisk' image (which is built in distrib/sparc/ramdisk).
20 options MINIROOTSIZE=1360 # size of memory disk, in blocks
21
22 pseudo-device md 1 # memory disk device (ramdisk)
23
24 ## System kernel configuration. See options(4) for more detail.
25
26
27 # Options for variants of the Sun SPARC architecure.
28 # We currently support three architecture types; at least one is required.
29 #options SUN4 # sun4/100, sun4/200, sun4/300
30 options SUN4C # sun4c - SS1, 1+, 2, ELC, SLC, IPC, IPX, etc.
31 options SUN4M # sun4m - SS10, SS20, Classic, etc.
32
33 #options SUN4_MMU3L # 3-level MMU on sun4/400; (incomplete)
34
35 ## System options specific to the sparc machine type
36
37 # Blink the power LED on some machines to indicate the system load.
38 #options BLINK
39
40 ## Use a faster console than the PROM's slow drawing routines. Not needed
41 ## for headless (no framebuffer) machines.
42 #options RASTERCONSOLE # fast rasterop console
43 #options FONT_GALLANT12x22 # the console font
44 #options FONT_BOLD8x16 # a somewhat smaller font
45 #options RASTERCONSOLE_FGCOL=WSCOL_BLACK
46 #options RASTERCONSOLE_BGCOL=WSCOL_WHITE
47
48 #### System options that are the same for all ports
49
50 ## Root device configuration: change the ?'s if you are going to use a
51 ## nonstandard root partition (other than where the kernel is booted from)
52 ## and/or nonstandard root type (not ffs or nfs). Normally this can be
53 ## automagically determined at boot time.
54
55 config netbsd root on ? type ?
56
57 ## System call tracing (see ktrace(1)).
58 #options KTRACE
59
60 ## Collect statistics on kernel malloc's and free's. This does have a
61 ## significant performance hit on slower machines, so it is intended for
62 ## diagnostic use only.
63 #options KMEMSTATS
64
65 ## System V compatible IPC subsystem. (msgctl(2), semctl(2), and shmctl(2))
66 #options SYSVMSG # System V message queues
67 #options SYSVSEM # System V semaphores
68 #options SYSVSHM # System V shared memory
69 #options SHMMAXPGS=1024 # 1024 pages is the default
70
71 ## Loadable kernel module support; still under development.
72 #options LKM
73
74 ## NFS boot options; default on sparc is the bootparam protocol
75 options NFS_BOOT_BOOTPARAM
76 #options NFS_BOOT_BOOTP
77 #options NFS_BOOT_DHCP
78
79 #### Debugging options
80
81 ## The DDB in-kernel debugger runs at panic (unless DDB_ONPANIC=0), or at
82 ## serial console break or keyboard reset, where the PROM would normally
83 ## intercept. DDB_HISTORY_SIZE adds up/down arrow command history.
84 #options DDB # kernel dynamic debugger
85 #options DDB_HISTORY_SIZE=100 # enable history editing in DDB
86 #options DDB_ONPANIC=1 # see also sysctl(8): `ddb.onpanic'
87
88 ## You may also use gdb, on another computer connected to this machine over
89 ## a serial port. Both KGDBDEV and KGDBRATE should be specified; KGDBDEV is
90 ## a dev_t encoded device number of the serial port to use.
91 ## (0xc01 = ttya, 0xc02 = ttyb.)
92 #options KGDB # support for kernel gdb
93 #options KGDBDEV=0xc01 # kgdb device number (this sample is `ttyb')
94 #options KGDBRATE=38400 # baud rate
95
96
97 ## Compile the kernel with debugging symbols (`netbsd.gdb' is the debug file),
98 ## such that gdb(1) can be used on a kernel coredump.
99
100 #makeoptions DEBUG="-g"
101
102
103 ## Adds code to the kernel that does internal consistency checks, and will
104 ## cause the kernel to panic if corruption of internal data structures
105 ## is detected.
106 #options DIAGNOSTIC # extra kernel sanity checking
107
108 ## Enable (possibly expensive) debugging code that may also display messages
109 ## on the system console
110 #options DEBUG
111
112 #options MIIVERBOSE # verbose PHY autoconfig messages
113
114 ## Make SCSI error messages more verbose when explaining their meanings.
115 #options SCSIVERBOSE
116
117 ## `INSECURE' turns off the kernel security level (securelevel = 0 always).
118 ## This allows writing to /dev/mem, loading kernel modules while multi-user,
119 ## and other insecurities good only for development work. Do not use this
120 ## option on a production machine.
121 options INSECURE
122
123 ## Allow non-root users to grab /dev/console with programs such as xconsole.
124 ## `xconsole' therefore does not need setuid root with this option enabled.
125 #options UCONSOLE
126
127 ## `FDSCRIPTS' allows non-readable but executable scripts by providing a
128 ## pre-opened opaque file to the script interpreter. `SETUIDSCRIPTS',
129 ## which implies FDSCRIPTS, allows scripts to be set-user-id using the same
130 ## opaque file mechanism. Perl calls this "secure setuid scripts."
131
132 #options FDSCRIPTS
133 #options SETUIDSCRIPTS
134
135 ## Options for compatibility with previous releases foreign system binaries.
136 ## In the cases of COMPAT_SUNOS and COMPAT_SVR4, you may need to set up
137 ## additional user-level utilities or system configuration files. See
138 ## compat_sunos(8) and compat_svr4(8).
139
140 #options COMPAT_43 # 4.3BSD system interfaces
141 #options COMPAT_10 # NetBSD 1.0 binary compatibility
142 #options COMPAT_11 # NetBSD 1.1 binary compatibility
143 #options COMPAT_12 # NetBSD 1.2 binary compatibility
144 #options COMPAT_13 # NetBSD 1.3 binary compatibility
145 #options COMPAT_14 # NetBSD 1.4 binary compatibility
146 #options COMPAT_SUNOS # SunOS 4.x binary compatibility
147 #options COMPAT_SVR4 # SunOS 5.x binary compatibility
148
149 ## File systems. You probably need at least one of FFS or NFS.
150 file-system FFS # Berkeley Fast Filesystem
151 file-system NFS # Sun NFS-compatible filesystem client
152 #file-system KERNFS # kernel data-structure filesystem
153 #file-system NULLFS # NULL layered filesystem
154 file-system MFS # memory-based filesystem
155 #file-system FDESC # user file descriptor filesystem
156 #file-system UMAPFS # uid/gid remapping filesystem
157 #file-system LFS # Log-based filesystem (still experimental)
158 #file-system PORTAL # portal filesystem (still experimental)
159 #file-system PROCFS # /proc
160 file-system CD9660 # ISO 9660 + Rock Ridge file system
161 #file-system UNION # union file system
162 #file-system MSDOSFS # MS-DOS FAT filesystem(s).
163
164 ## File system options
165 #options NFSSERVER # Sun NFS-compatible filesystem server
166 #options QUOTA # FFS quotas
167 #options FFS_EI # FFS Endian Independent support
168 #options NFS_V2_ONLY # Exclude NFS3 and NQNFS code to save space
169 #options VNODE_OP_NOINLINE # Save space by not inlining vnode op calls
170
171 ## Network protocol support. In most environments, INET is required.
172 options INET # IP (Internet Protocol) v4
173 #options TCP_COMPAT_42 # 4.2BSD IP implementation compatibility
174 #options GATEWAY # packet forwarding ("router switch")
175 #options MROUTING # packet forwarding of multicast packets
176 #options DIRECTED_BROADCAST # allow broadcasts through routers
177 #options NS # Xerox NS networking
178 #options NSIP # Xerox NS tunneling over IP
179 #options ISO,TPIP # OSI networking
180 #options EON # OSI tunneling over IP
181 #options CCITT,LLC,HDLC # X.25 packet switched protocol
182 #options NETATALK # AppleTalk (over Ethernet) protocol
183 #options NTP # Network Time Protocol in-kernel support
184 #options PPS_SYNC # Add serial line synchronization for NTP
185 #options PFIL_HOOKS # Add pfil(9) hooks, intended for custom LKMs.
186 #options IPFILTER_LOG # Add ipmon(8) logging for ipfilter device
187 #options PPP_BSDCOMP # Add BSD compression to ppp device
188 #options PPP_DEFLATE # Add deflate (libz) compression to ppp device
189 #options PPP_FILTER # Add active filters for ppp (via bpf)
190
191
192
193 #### Main bus and CPU .. all systems.
194 mainbus0 at root
195 cpu0 at mainbus0
196
197 #### Bus types found on SPARC systems.
198
199 sbus0 at mainbus0 # sun4c
200 obio0 at mainbus0 # sun4 and sun4m
201 #sparcvme0 at mainbus0 # sun4
202 iommu0 at mainbus0 # sun4m
203 sbus0 at iommu0 # sun4m
204 sparcvme0 at iommu0 # sun4m
205 #vme0 at sparcvme0 # mi VME attachment
206
207 ## SBus expander box
208 xbox* at sbus? slot ? offset ?
209 sbus* at xbox?
210
211 ## SBus to PCMCIA bridge
212 # Currently enabling nell* with audioamd* causes panic at attach
213 #nell* at sbus? slot ? offset ? # PCMCIA bridge
214 #pcmcia* at nell?
215
216 #### Standard system devices -- all required for a given architecture
217
218 ## Auxiliary system registers on sun4c and sun4m
219 auxreg0 at mainbus0 # sun4c
220 auxreg0 at obio0 # sun4m
221
222 ## Power status and control register on Sun4m systems
223 power0 at obio0
224
225 ## Mostek clock found on 4/300, sun4c, and sun4m systems.
226 ## The Mostek clock NVRAM is the "eeprom" on sun4/300 systems.
227 clock0 at mainbus0 # sun4c
228 clock0 at obio0 # sun4m
229 #clock0 at obio0 addr 0xf2000000 # sun4/300
230
231 ## Intersil clock found on 4/100 and 4/200 systems.
232 #oclock0 at obio0 addr 0xf3000000 # sun4/200
233 #oclock0 at obio0 addr 0x03000000 # sun4/100
234
235 ## Memory error registers.
236 memreg0 at mainbus0 # sun4c
237 memreg0 at obio0 # sun4m
238 #memreg0 at obio0 addr 0xf4000000 # sun4/200 and sun4/300
239 #memreg0 at obio0 addr 0x04000000 # sun4/100
240
241 ## ECC memory control
242 eccmemctl0 at mainbus0 # sun4m
243
244 ## Timer chip found on 4/300, sun4c, and sun4m systems.
245 timer0 at mainbus0 # sun4c
246 timer0 at obio0 # sun4m
247 #timer0 at obio0 addr 0xef000000 # sun4/300
248
249 ## EEPROM found on 4/100 and 4/200 systems. Note that the 4/300
250 ## doesn't use this driver; the `EEPROM' is in the NVRAM on the
251 ## Mostek clock chip on 4/300 systems.
252 #eeprom0 at obio0 addr 0xf2000000 # sun4/200
253 #eeprom0 at obio0 addr 0x02000000 # sun4/100
254
255
256 #### Serial port configuration
257
258 ## Zilog 8530 serial chips. Each has two-channels.
259 ## zs0 is ttya and ttyb. zs1 is the keyboard and mouse.
260 zs0 at mainbus0 # sun4c
261 zs0 at obio0 # sun4m
262 #zs0 at obio0 addr 0xf1000000 level 12 flags 0x103 # sun4/200 and sun4/300
263 #zs0 at obio0 addr 0x01000000 level 12 flags 0x103 # sun4/100
264 zstty0 at zs0 channel 0 # ttya
265 zstty1 at zs0 channel 1 # ttyb
266
267 zs1 at mainbus0 # sun4c
268 zs1 at obio0 # sun4m
269 #zs1 at obio0 addr 0xf0000000 level 12 flags 0x103 # sun4/200 and sun4/300
270 #zs1 at obio0 addr 0x00000000 level 12 flags 0x103 # sun4/100
271 kbd0 at zs1 channel 0 # keyboard
272 ms0 at zs1 channel 1 # mouse
273
274 #zs2 at obio0 addr 0xe0000000 level 12 flags 0x103 # sun4/300
275 #zstty2 at zs2 channel 0 # ttyc
276 #zstty3 at zs2 channel 1 # ttyd
277
278
279 ## Magma Serial/Parallel driver
280 #magma* at sbus? slot ? offset ?
281 #mtty* at magma?
282 #mbpp* at magma?
283
284 ## PCMCIA serial interfaces
285 #com* at pcmcia?
286 #pcmcom* at pcmcia?
287 #com* at pcmcom?
288
289 #### Disk controllers and disks
290
291 #
292
293 ## The following flags may be set for the NCR53c94 based esp driver:
294 ## bits 0-7: disable disconnect/reselect for the corresponding target
295 ## bits 8-15: disable synchronous negotiation for target [bit-8]
296
297 ## sun4/300, sun4c, sun4m on-board SCSI, and FSBE/S SBus SCSI cards.
298 ## Both `dma' and `esp' are needed in all cases.
299 ## Two kinds of additional SBus SCSI interfaces are available. One uses
300 ## "esp at sbus" like the sun4c on-board; the other uses "esp at dma".
301
302 ## sun4/300 SCSI - an NCR53c94 or equivalent behind
303 ## an LSI Logic DMA controller
304
305 #dma0 at obio0 addr 0xfa001000 level 4 # sun4/300
306 #esp0 at obio0 addr 0xfa000000 level 4 flags 0x0000 # sun4/300
307
308 dma0 at sbus0 slot ? offset ? # sun4c/sun4m
309 esp0 at sbus0 slot ? offset ? flags 0x0000 # sun4c
310 esp0 at dma0 flags 0x0000 # sun4m
311
312 # FSBE/S SCSI
313 dma* at sbus? slot ? offset ? # SBus
314 esp* at sbus? slot ? offset ? flags 0x0000 # SBus (older proms)
315 esp* at dma? flags 0x0000 # SBus
316
317 scsibus* at esp?
318
319 ## Qlogic ISP SBus SCSI Card
320 isp* at sbus? slot ? offset ?
321 scsibus* at isp?
322
323 ## NCR5380-based "Sun SCSI 3" VME SCSI controller.
324 ## This driver has several flags which may be enabled by OR'ing
325 ## the values and using the "flags" directive.
326 ## Valid flags are:
327 ##
328 ## 0x01 Use DMA (may be polled)
329 ## 0x02 Use DMA completion interrupts
330 ## 0x04 Allow disconnect/reselect
331 ##
332 ## E.g. the following would enable DMA, interrupts, and reselect:
333 ## si0 at vme0 addr 0x200000 irq 3 vect 0x40 flags 0x07
334 ##
335 ## By default, DMA is enabled in the driver.
336
337 #si0 at vme0 addr 0x200000 irq 2 vect 0x40
338 #scsibus* at si?
339
340 ## NCR5380-based "SCSI Weird" on-board SCSI interface found
341 ## on sun4/100 systems. The flags are the same as the "si"
342 ## controller. Note, while DMA is enabled by default, only
343 ## polled DMA works at this time, and reselects do not work
344 ## on this particular controller.
345
346 #sw0 at obio0 addr 0x0a000000 level 3
347 #scsibus* at sw?
348
349 ## PCMCIA SCSI controllers
350 #aic* at pcmcia?
351 #scsibus* at aic?
352
353
354 ## These entries find devices on all SCSI busses and assign
355 ## unit numbers dynamically.
356 sd* at scsibus? target ? lun ? # SCSI disks
357 st* at scsibus? target ? lun ? # SCSI tapes
358 cd* at scsibus? target ? lun ? # SCSI CD-ROMs
359 #ch* at scsibus? target ? lun ? # SCSI changer devices
360 #ss* at scsibus? target ? lun ? # SCSI scanners
361 #uk* at scsibus? target ? lun ? # unknown SCSI
362
363
364 ## Xylogics 753 or 7053 VME SMD disk controllers and disks, found
365 ## on sun4 systems.
366 #xdc0 at vme0 addr 0xee80 irq 3 vect 0x44
367 #xdc1 at vme0 addr 0xee90 irq 3 vect 0x45
368 #xdc2 at vme0 addr 0xeea0 irq 3 vect 0x46
369 #xdc3 at vme0 addr 0xeeb0 irq 3 vect 0x47
370 #xd* at xdc? drive ?
371
372 ## Xylogics 451 or 451 VME SMD disk controllers and disks, found
373 ## on sun4 systems.
374 #xyc0 at vme0 addr 0xee40 irq 3 vect 0x48
375 #xyc1 at vme0 addr 0xee48 irq 3 vect 0x49
376 #xy* at xyc? drive ?
377
378
379 ## Floppy controller and drive found on SPARCstations.
380
381 fdc0 at mainbus0 # sun4c controller
382 fdc0 at obio0 # sun4m controller
383 fd* at fdc0 # the drive itself
384
385 ## PCMCIA IDE controllers
386 #wdc* at pcmcia?
387 #wd* at wdc?
388
389 ## A disk-like interface to files. Can be used to create floppy, CD,
390 ## miniroot images, etc.
391
392 #pseudo-device vnd 4
393
394 ## Concatenated and striped disks; with this, you can create a software-based
395 ## disk array similar to a "RAID 0" setup. See ccd(4).
396
397 #pseudo-device ccd 4
398
399 ## RAIDframe disk driver: software RAID driver. See raid(4).
400
401 #pseudo-device raid 4
402
403 ## Memory disk device, used on boot floppies with compressed
404 ## kernel-plus-root-disk images.
405
406 #pseudo-device md 1
407
408
409 #### Network interfaces
410
411 ## LANCE Ethernet - an AMD 7990 LANCE behind specialized DMA glue
412 ## Three flavors of additional SBus ethernets are available. One attaches
413 ## directly like the sun4c on-board, one uses the ledma device like the
414 ## sun4m on-board, and one uses the lebuffer device.
415
416 #le0 at obio0 addr 0xf9000000 level 6 # sun4/300
417 le0 at sbus0 slot ? offset ? # sun4c on-board
418 ledma0 at sbus0 slot ? offset ? # sun4m on-board
419 le0 at ledma0 # sun4m on-board
420 le* at sbus? slot ? offset ? # SBus
421 ledma* at sbus? slot ? offset ? # SBus
422 le* at ledma? # SBus
423 lebuffer0 at sbus? slot ? offset ? # SBus
424 le0 at lebuffer? # SBus
425 lebuffer* at sbus? slot ? offset ? # SBus
426 le* at lebuffer? # SBus
427
428
429 ## sun4/100 and sun4/200 Ethernet - an Intel 82586 on-board
430 ## or on a Multibus/VME card.
431 #ie0 at obio0 addr 0xf6000000 level 6 # sun4/200 on-board
432 #ie0 at obio0 addr 0x06000000 level 6 # sun4/100 on-board
433 #ie1 at vme0 addr 0xe88000 irq 3 vect 0x75 # VME
434 #ie2 at vme0 addr 0x31ff02 irq 3 vect 0x76 # VME
435 #ie3 at vme0 addr 0x35ff02 irq 3 vect 0x77 # VME
436 #ie4 at vme0 addr 0x2dff02 irq 3 vect 0x7c # VME
437
438 ## qec/be, qec/hme
439 qec* at sbus? slot ? offset ?
440 be* at qec?
441 qe* at qec?
442
443 # midway ATM
444 en0 at sbus? slot ? offset ?
445
446 # PCMCIA ethernet devices
447 #ep* at pcmcia?
448 #mbe* at pcmcia?
449 #ne* at pcmcia?
450 #sm* at pcmcia?
451
452 # MII/PHY support
453 #exphy* at mii? phy ? # 3Com internal PHYs
454 #icsphy* at mii? phy ? # Integrated Circuit Systems ICS1890
455 #inphy* at mii? phy ? # Intel 82555 PHYs
456 #lxtphy* at mii? phy ? # Level One LXT-970 PHYs
457 #nsphy* at mii? phy ? # NS83840 PHYs
458 #qsphy* at mii? phy ? # Quality Semiconductor QS6612 PHYs
459 #sqphy* at mii? phy ? # Seeq 80220/80221/80223 PHYs
460 #tlphy* at mii? phy ? # ThunderLAN PHYs
461 #ukphy* at mii? phy ? # generic unknown PHYs
462
463 ## Loopback network interface; required
464 pseudo-device loop
465
466 ## SLIP and CSLIP interfaces, for IP over a serial line.
467 pseudo-device sl 2
468
469 ## PPP, the successor to SLIP. See pppd(8).
470 #pseudo-device ppp 2
471
472 ## Starmode Radio IP, a special hardware network device.
473 #pseudo-device strip 1
474
475 ## Network "tunnel" device, allowing protocol stacks to run in the userland.
476 ## This is used by the third-party user-mode "ppp" program, and others.
477 #pseudo-device tun 4
478
479 ## Generic L3 over IP tunnel
480 #pseudo-device gre 2 # generic L3 over IP tunnel
481
482 ## Berkeley Packet Filter, required to run RARPD. A generic C-language
483 ## interface that allows selective examining of incoming packets.
484 #pseudo-device bpfilter 8
485
486 ## IP Filter, used in firewall and NAT applications. See ipnat(8) for
487 ## one example of the use of the IP Filter.
488 #pseudo-device ipfilter
489
490
491 #### Audio and video devices
492
493 ## /dev/audio support (`audioamd' plus `audio')
494 ##
495 #audioamd0 at mainbus0 # sun4c
496 #audioamd0 at obio0 # sun4m
497 #audioamd0 at sbus0 slot ? offset ? # sun4m
498 #audio* at audioamd0
499
500 #audiocs0 at sbus0 slot ? offset ? # SUNW,CS4231
501 #audio* at audiocs0
502
503
504 ## Sun "bwtwo" black and white framebuffer, found on sun4, sun4c, and sun4m
505 ## systems. If your sun4 system has a cgfour installed in the P4 slot,
506 ## the P4 entries for "bwtwo" will attach to the overlay plane of the
507 ## "cgfour".
508
509 bwtwo0 at sbus0 slot ? offset ? # sun4c and sun4m
510 bwtwo* at sbus? slot ? offset ? #
511 #bwtwo0 at obio0 addr 0xfd000000 level 4 # sun4/200
512 #bwtwo0 at obio0 addr 0xfb300000 level 4 # sun4/300 in P4 slot
513 #bwtwo0 at obio0 addr 0x0b300000 level 4 # sun4/100 in P4 slot
514
515 ## Sun "cgtwo" VME color framebuffer
516 #cgtwo0 at vme0 addr 0x400000 irq ? vect 0xa8
517
518 ## Sun "cgthree" Sbus color framebuffer
519 cgthree0 at sbus? slot ? offset ?
520 cgthree* at sbus? slot ? offset ?
521 #cgthree0 at obio? slot ? offset ? # sun4m
522
523 ## Sun "cgfour" color framebuffer with overlay plane. See above comment
524 ## regarding overlay plane.
525 #cgfour0 at obio0 addr 0xfb300000 level 4 # sun4/300 P4
526 #cgfour0 at obio0 addr 0x0b300000 level 4 # sun4/100 P4
527
528 ## Sun "cgsix" accelerated color framebuffer.
529 cgsix0 at sbus? slot ? offset ?
530 cgsix* at sbus? slot ? offset ?
531 #cgsix0 at obio0 addr 0xfb000000 level 4 # sun4/300 P4
532 #cgsix0 at obio0 addr 0x0b000000 level 4 # sun4/100 P4
533
534 ## Sun "cgeight" 24-bit framebuffer
535 #cgeight0 at obio0 addr 0xfb300000 level 4 # sun4/300 P4
536 #cgeight0 at obio0 addr 0x0b300000 level 4 # sun4/100 P4
537
538 ## Sun "tcx" accelerated color framebuffer.
539 tcx0 at sbus? slot ? offset ?
540 tcx* at sbus? slot ? offset ?
541
542 # Sun "cgfourteen" accelerated 24-bit framebuffer.
543 cgfourteen0 at obio0 # sun4m
544
545
546 #### Other device configuration
547
548 ## Pseudo ttys, required for network logins and programs like screen.
549
550 pseudo-device pty 2 # pseudo-terminals (Sysinst needs two)
551
552 ## Random device, used to implement /dev/random (a source of random noise),
553 ## and generate randomness for some kernel formulae.
554
555 #pseudo-device rnd
556