INSTALL revision 1.97
1# $NetBSD: INSTALL,v 1.97 2017/07/29 18:08:59 maxv 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 8include "arch/sparc/conf/std.sparc" 9 10#options INCLUDE_CONFIG_FILE # embed config file in kernel binary 11 12makeoptions COPTS="-Os" # Optimise for space. Implies -O2 13 14maxusers 32 15 16# Enable the hooks used for initializing the root memory-disk. 17options MEMORY_DISK_HOOKS 18options MEMORY_DISK_IS_ROOT # force root on memory disk 19options MEMORY_DISK_SERVER=0 # no userspace memory disk support 20## The miniroot size must be kept in sync manually with the size of 21## the `ramdisk' image (which is built in distrib/sparc/ramdisk). 22options MEMORY_DISK_ROOT_SIZE=2000 # size of memory disk, in blocks 23options MEMORY_DISK_RBFLAGS=RB_SINGLE # boot in single-user mode 24 25pseudo-device md # memory disk device (ramdisk) 26 27## System kernel configuration. See options(4) for more detail. 28 29 30# Options for variants of the Sun SPARC architecure. 31# We currently support three architecture types; at least one is required. 32options SUN4 # sun4/100, sun4/200, sun4/300 33options SUN4C # sun4c - SS1, 1+, 2, ELC, SLC, IPC, IPX, etc. 34options SUN4M # sun4m - SS10, SS20, Classic, etc. 35 36options SUN4_MMU3L # 3-level MMU on sun4/400 37 38## System options specific to the sparc machine type 39 40# Blink the power LED on some machines to indicate the system load. 41#options BLINK 42 43# wscons stuff 44#options WSEMUL_SUN 45options WSEMUL_VT100 46options WSDISPLAY_DEFAULTSCREENS=1 47#options WSDISPLAY_COMPAT_USL # wsconscfg VT handling 48options WSDISPLAY_COMPAT_RAWKBD 49options WSDISPLAY_CUSTOM_OUTPUT 50options WS_DEFAULT_FG=WSCOL_BLACK 51options WS_DEFAULT_BG=WSCOL_LIGHT_WHITE 52options WS_KERNEL_FG=WSCOL_GREEN 53options WS_KERNEL_BG=WSCOL_LIGHT_WHITE 54options FONT_GALLANT12x22 # the console font 55options FONT_BOLD8x16 # a somewhat smaller font 56 57#### System options that are the same for all ports 58 59## Root device configuration: change the ?'s if you are going to use a 60## nonstandard root partition (other than where the kernel is booted from) 61## and/or nonstandard root type (not ffs or nfs). Normally this can be 62## automagically determined at boot time. 63 64config netbsd root on ? type ? 65 66## System call tracing (see ktrace(1)). 67#options KTRACE 68 69## System V compatible IPC subsystem. (msgctl(2), semctl(2), and shmctl(2)) 70#options SYSVMSG # System V message queues 71#options SYSVSEM # System V semaphores 72#options SYSVSHM # System V shared memory 73 74options USERCONF # userconf(4) support 75options PIPE_SOCKETPAIR # smaller, but slower pipe(2) 76#options SYSCTL_INCLUDE_DESCR # Include sysctl descriptions in kernel 77 78## NFS boot options; tries DHCP/BOOTP then BOOTPARAM 79options NFS_BOOT_BOOTPARAM 80#options NFS_BOOT_BOOTP 81options NFS_BOOT_DHCP 82 83#### Debugging options 84 85## The DDB in-kernel debugger runs at panic (unless DDB_ONPANIC=0), or at 86## serial console break or keyboard reset, where the PROM would normally 87## intercept. DDB_HISTORY_SIZE adds up/down arrow command history. 88#options DDB # kernel dynamic debugger 89#options DDB_HISTORY_SIZE=100 # enable history editing in DDB 90#options DDB_ONPANIC=1 # see also sysctl(7): `ddb.onpanic' 91 92## You may also use gdb, on another computer connected to this machine over 93## a serial port. Both KGDB_DEV and KGDB_DEVRATE should be specified; 94## KGDB_DEV is a dev_t encoded device number of the serial port to use. 95## (0xc01 = ttya, 0xc02 = ttyb.) 96#options KGDB # support for kernel gdb 97#options KGDB_DEV=0xc01 # kgdb device number (this is `ttyb') 98#options KGDB_DEVRATE=38400 # baud rate 99 100 101## Compile the kernel with debugging symbols (`netbsd.gdb' is the debug file), 102## such that gdb(1) can be used on a kernel coredump. 103 104#makeoptions DEBUG="-g" 105 106 107## Adds code to the kernel that does internal consistency checks, and will 108## cause the kernel to panic if corruption of internal data structures 109## is detected. 110#options DIAGNOSTIC # extra kernel sanity checking 111 112## Enable (possibly expensive) debugging code that may also display messages 113## on the system console 114#options DEBUG 115 116#options MIIVERBOSE # verbose PHY autoconfig messages 117 118## Make SCSI error messages more verbose when explaining their meanings. 119#options SCSIVERBOSE 120 121## `INSECURE' turns off the kernel security level (securelevel = 0 always). 122## This allows writing to /dev/mem, loading kernel modules while multi-user, 123## and other insecurities good only for development work. Do not use this 124## option on a production machine. 125options INSECURE 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, 142#options COMPAT_11 # NetBSD 1.1, 143#options COMPAT_12 # NetBSD 1.2, 144#options COMPAT_13 # NetBSD 1.3, 145#options COMPAT_14 # NetBSD 1.4, 146#options COMPAT_15 # NetBSD 1.5, 147#options COMPAT_16 # NetBSD 1.6, 148#options COMPAT_20 # NetBSD 2.0, 149#options COMPAT_30 # NetBSD 3.0, and 150#options COMPAT_40 # NetBSD 4.0 binary compatibility. 151#options COMPAT_SUNOS # SunOS 4.x binary compatibility 152#options COMPAT_SVR4 # SunOS 5.x binary compatibility 153options COMPAT_BSDPTY # /dev/[pt]ty?? ptys. 154 155## File systems. You probably need at least one of FFS or NFS. 156file-system FFS # Berkeley Fast Filesystem 157file-system NFS # Sun NFS-compatible filesystem client 158#file-system KERNFS # kernel data-structure filesystem 159#file-system NULLFS # NULL layered filesystem 160file-system MFS # memory-based filesystem 161#file-system FDESC # user file descriptor filesystem 162#file-system UMAPFS # uid/gid remapping filesystem 163#file-system LFS # Log-based filesystem (still experimental) 164#file-system PROCFS # /proc 165file-system CD9660 # ISO 9660 + Rock Ridge file system 166#file-system UNION # union file system 167#file-system MSDOSFS # MS-DOS FAT filesystem(s). 168#file-system PTYFS # /dev/pts/N support 169 170## File system options 171#options NFSSERVER # Sun NFS-compatible filesystem server 172#options QUOTA # legacy UFS quotas 173#options QUOTA2 # new, in-filesystem UFS quotas 174#options FFS_EI # FFS Endian Independent support 175#options NFS_V2_ONLY # Exclude NFS3 code to save space 176options FFS_NO_SNAPSHOT # No FFS snapshot support 177options WAPBL # File system journaling support 178 179## Network protocol support. In most environments, INET is required. 180options INET # IP (Internet Protocol) v4 181#options GATEWAY # packet forwarding ("router switch") 182#options MROUTING # packet forwarding of multicast packets 183#options PIM # Protocol Independent Multicast 184#options DIRECTED_BROADCAST # allow broadcasts through routers 185#options NETATALK # AppleTalk (over Ethernet) protocol 186#options NTP # Network Time Protocol in-kernel support 187#options PPS_SYNC # Add serial line synchronization for NTP 188#options IPFILTER_LOG # Add ipmon(8) logging for ipfilter device 189#options IPFILTER_LOOKUP # ippool(8) support 190#options PPP_BSDCOMP # Add BSD compression to ppp device 191#options PPP_DEFLATE # Add deflate (libz) compression to ppp device 192#options PPP_FILTER # Add active filters for ppp (via bpf) 193#options TCP_DEBUG # Record last TCP_NDEBUG packets with SO_DEBUG 194 195 196#### Main bus and CPU .. all systems. 197mainbus0 at root 198cpu0 at mainbus0 199 200#### SX rendering engine found in SS20 and SS10SX 201sx0 at mainbus0 202 203#### Bus types found on SPARC systems. 204 205sbus0 at mainbus0 # sun4c 206obio0 at mainbus0 # sun4 and sun4m 207sparcvme0 at mainbus0 # sun4 208iommu0 at mainbus0 # sun4m 209sbus0 at iommu0 # sun4m 210sparcvme0 at iommu0 # sun4m 211vme0 at sparcvme0 # mi VME attachment 212 213## SBus expander box 214xbox* at sbus? slot ? offset ? 215sbus* at xbox? 216 217## SBus to PCMCIA bridge 218# Currently enabling nell* with audioamd* causes panic at attach 219#nell* at sbus? slot ? offset ? # PCMCIA bridge 220#pcmcia* at nell? 221 222#### Standard system devices -- all required for a given architecture 223 224## Auxiliary system registers on sun4c and sun4m 225auxreg0 at mainbus0 # sun4c 226auxreg0 at obio0 # sun4m 227 228## Power status and control register on Sun4m systems 229power0 at obio0 230 231## Mostek clock found on 4/300, sun4c, and sun4m systems. 232## The Mostek clock NVRAM is the "eeprom" on sun4/300 systems. 233clock0 at mainbus0 # sun4c 234clock0 at obio0 # sun4m 235clock0 at obio0 addr 0xf2000000 # sun4/300 236 237## Intersil clock found on 4/100 and 4/200 systems. 238oclock0 at obio0 addr 0xf3000000 # sun4/200 239oclock0 at obio0 addr 0x03000000 # sun4/100 240 241## Memory error registers. 242memreg0 at mainbus0 # sun4c 243memreg0 at obio0 # sun4m 244memreg0 at obio0 addr 0xf4000000 # sun4/200 and sun4/300 245memreg0 at obio0 addr 0x04000000 # sun4/100 246 247## ECC memory control 248eccmemctl0 at mainbus0 # sun4m 249 250## Timer chip found on 4/300, sun4c, and sun4m systems. 251timer0 at mainbus0 # sun4c 252timer0 at obio0 # sun4m 253timer0 at obio0 addr 0xef000000 # sun4/300 254 255## EEPROM found on 4/100 and 4/200 systems. Note that the 4/300 256## doesn't use this driver; the `EEPROM' is in the NVRAM on the 257## Mostek clock chip on 4/300 systems. 258eeprom0 at obio0 addr 0xf2000000 # sun4/200 259eeprom0 at obio0 addr 0x02000000 # sun4/100 260 261 262#### Serial port configuration 263 264## Zilog 8530 serial chips. Each has two-channels. 265## zs0 is ttya and ttyb. zs1 is the keyboard and mouse. 266zs0 at mainbus0 # sun4c 267zs0 at obio0 # sun4m 268zs0 at obio0 addr 0xf1000000 level 12 flags 0x103 # sun4/200 and sun4/300 269zs0 at obio0 addr 0x01000000 level 12 flags 0x103 # sun4/100 270 271zs1 at mainbus0 # sun4c 272zs1 at obio0 # sun4m 273zs1 at obio0 addr 0xf0000000 level 12 flags 0x103 # sun4/200 and sun4/300 274zs1 at obio0 addr 0x00000000 level 12 flags 0x103 # sun4/100 275 276zs2 at obio0 addr 0xe0000000 level 12 # sun4/300 277 278zstty* at zs? 279 280# these are for wscons 281kbd0 at zstty? 282ms0 at zstty? 283wskbd* at wskbddev? 284wsmouse* at wsmousedev? 285 286## Magma Serial/Parallel driver 287#magma* at sbus? slot ? offset ? 288#mtty* at magma? 289#mbpp* at magma? 290 291## PCMCIA serial interfaces 292#com* at pcmcia? 293#pcmcom* at pcmcia? 294#com* at pcmcom? 295 296#### Disk controllers and disks 297 298# 299 300## The following flags may be set for the NCR53c94 based esp driver: 301## bits 0-7: disable disconnect/reselect for the corresponding target 302## bits 8-15: disable synchronous negotiation for target [bit-8] 303 304## sun4/300, sun4c, sun4m on-board SCSI, and FSBE/S SBus SCSI cards. 305## Both `dma' and `esp' are needed in all cases. 306## Two kinds of additional SBus SCSI interfaces are available. One uses 307## "esp at sbus" like the sun4c on-board; the other uses "esp at dma". 308 309## sun4/300 SCSI - an NCR53c94 or equivalent behind 310## an LSI Logic DMA controller 311 312dma0 at obio0 addr 0xfa001000 level 4 # sun4/300 313esp0 at obio0 addr 0xfa000000 level 4 flags 0x0000 # sun4/300 314 315dma0 at sbus0 slot ? offset ? # sun4c/sun4m 316esp0 at sbus0 slot ? offset ? flags 0x0000 # sun4c 317esp0 at dma0 flags 0x0000 # sun4m 318 319# FSBE/S SCSI 320dma* at sbus? slot ? offset ? # SBus 321esp* at sbus? slot ? offset ? flags 0x0000 # SBus (older proms) 322esp* at dma? flags 0x0000 # SBus 323 324scsibus* at esp? 325 326## Qlogic ISP SBus SCSI Card 327isp* at sbus? slot ? offset ? 328scsibus* at isp? 329 330## NCR5380-based "Sun SCSI 3" VME SCSI controller. 331## This driver has several flags which may be enabled by OR'ing 332## the values and using the "flags" directive. 333## Valid flags are: 334## 335## 0x01 Use DMA (may be polled) 336## 0x02 Use DMA completion interrupts 337## 0x04 Allow disconnect/reselect 338## 339## E.g. the following would enable DMA, interrupts, and reselect: 340## si0 at vme0 addr 0x200000 irq 3 vect 0x40 flags 0x07 341## 342## By default, DMA is enabled in the driver. 343 344si0 at vme0 addr 0x200000 irq 2 vect 0x40 345scsibus* at si? 346 347## NCR5380-based "SCSI Weird" on-board SCSI interface found 348## on sun4/100 systems. The flags are the same as the "si" 349## controller. Note, while DMA is enabled by default, only 350## polled DMA works at this time, and reselects do not work 351## on this particular controller. 352 353sw0 at obio0 addr 0x0a000000 level 3 354scsibus* at sw? 355 356## PCMCIA SCSI controllers 357#aic* at pcmcia? 358#scsibus* at aic? 359 360 361## These entries find devices on all SCSI busses and assign 362## unit numbers dynamically. 363sd* at scsibus? target ? lun ? # SCSI disks 364st* at scsibus? target ? lun ? # SCSI tapes 365cd* at scsibus? target ? lun ? # SCSI CD-ROMs 366#ch* at scsibus? target ? lun ? # SCSI changer devices 367#ss* at scsibus? target ? lun ? # SCSI scanners 368#uk* at scsibus? target ? lun ? # unknown SCSI 369 370 371## Xylogics 753 or 7053 VME SMD disk controllers and disks, found 372## on sun4 systems. 373xdc0 at vme0 addr 0xee80 irq 3 vect 0x44 374xdc1 at vme0 addr 0xee90 irq 3 vect 0x45 375xdc2 at vme0 addr 0xeea0 irq 3 vect 0x46 376xdc3 at vme0 addr 0xeeb0 irq 3 vect 0x47 377xd* at xdc? drive ? 378 379## Xylogics 451 or 451 VME SMD disk controllers and disks, found 380## on sun4 systems. 381xyc0 at vme0 addr 0xee40 irq 3 vect 0x48 382xyc1 at vme0 addr 0xee48 irq 3 vect 0x49 383xy* at xyc? drive ? 384 385 386## Floppy controller and drive found on SPARCstations. 387 388fdc0 at mainbus0 # sun4c controller 389fdc0 at obio0 # sun4m controller 390fd* at fdc0 # the drive itself 391 392## PCMCIA IDE controllers 393#wdc* at pcmcia? 394#wd* at wdc? 395 396## A disk-like interface to files. Can be used to create floppy, CD, 397## miniroot images, etc. 398 399#pseudo-device vnd 400 401## Concatenated and striped disks; with this, you can create a software-based 402## disk array similar to a "RAID 0" setup. See ccd(4). 403 404#pseudo-device ccd 405 406## RAIDframe disk driver: software RAID driver. See raid(4). 407 408#pseudo-device raid 409 410## Memory disk device, used on boot floppies with compressed 411## kernel-plus-root-disk images. 412 413#pseudo-device md 414 415 416#### Network interfaces 417 418## LANCE Ethernet - an AMD 7990 LANCE behind specialized DMA glue 419## Three flavors of additional SBus ethernets are available. One attaches 420## directly like the sun4c on-board, one uses the ledma device like the 421## sun4m on-board, and one uses the lebuffer device. 422 423le0 at obio0 addr 0xf9000000 level 6 # sun4/300 424le0 at sbus0 slot ? offset ? # sun4c on-board 425ledma0 at sbus0 slot ? offset ? # sun4m on-board 426le0 at ledma0 # sun4m on-board 427le* at sbus? slot ? offset ? # SBus 428ledma* at sbus? slot ? offset ? # SBus 429le* at ledma? # SBus 430lebuffer0 at sbus? slot ? offset ? # SBus 431le0 at lebuffer? # SBus 432lebuffer* at sbus? slot ? offset ? # SBus 433le* at lebuffer? # SBus 434 435 436## sun4/100 and sun4/200 Ethernet - an Intel 82586 on-board 437## or on a Multibus/VME card. 438ie0 at obio0 addr 0xf6000000 level 6 # sun4/200 on-board 439ie0 at obio0 addr 0x06000000 level 6 # sun4/100 on-board 440ie1 at vme0 addr 0xe88000 irq 3 vect 0x75 # VME 441ie2 at vme0 addr 0x31ff02 irq 3 vect 0x76 # VME 442ie3 at vme0 addr 0x35ff02 irq 3 vect 0x77 # VME 443ie4 at vme0 addr 0x2dff02 irq 3 vect 0x7c # VME 444 445## qec/be, qec/hme 446qec* at sbus? slot ? offset ? 447be* at qec? 448qe* at qec? 449 450# midway ATM 451en0 at sbus? slot ? offset ? 452 453# PCMCIA ethernet devices 454#ep* at pcmcia? 455#mbe* at pcmcia? 456#ne* at pcmcia? 457#sm* at pcmcia? 458 459# MII/PHY support 460#exphy* at mii? phy ? # 3Com internal PHYs 461#icsphy* at mii? phy ? # Integrated Circuit Systems ICS189x 462#inphy* at mii? phy ? # Intel 82555 PHYs 463#lxtphy* at mii? phy ? # Level One LXT-970 PHYs 464#nsphy* at mii? phy ? # NS83840 PHYs 465#qsphy* at mii? phy ? # Quality Semiconductor QS6612 PHYs 466#sqphy* at mii? phy ? # Seeq 80220/80221/80223 PHYs 467#tlphy* at mii? phy ? # ThunderLAN PHYs 468#ukphy* at mii? phy ? # generic unknown PHYs 469 470## Loopback network interface; required 471pseudo-device loop 472 473## SLIP and CSLIP interfaces, for IP over a serial line. 474#pseudo-device sl 475 476## PPP, the successor to SLIP. See pppd(8). 477#pseudo-device ppp 478 479## Starmode Radio IP, a special hardware network device. 480#pseudo-device strip 481 482## Network "tunnel" device, allowing protocol stacks to run in the userland. 483## This is used by the third-party user-mode "ppp" program, and others. 484#pseudo-device tun 485 486## Generic L3 over IP tunnel 487#pseudo-device gre # generic L3 over IP tunnel 488 489## Berkeley Packet Filter, required to run RARPD. A generic C-language 490## interface that allows selective examining of incoming packets. 491#pseudo-device bpfilter 492 493## IP Filter, used in firewall and NAT applications. See ipnat(8) for 494## one example of the use of the IP Filter. 495#pseudo-device ipfilter 496 497 498#### Audio and video devices 499 500## /dev/audio support (`audioamd' plus `audio') 501## 502#audioamd0 at mainbus0 # sun4c 503#audioamd0 at obio0 # sun4m 504#audioamd0 at sbus0 slot ? offset ? # sun4m 505#audio* at audioamd0 506 507#audiocs0 at sbus0 slot ? offset ? # SUNW,CS4231 508#audio* at audiocs0 509 510#spkr* at audio? # PC speaker (synthesized) 511 512 513## Sun "bwtwo" black and white framebuffer, found on sun4, sun4c, and sun4m 514## systems. If your sun4 system has a cgfour installed in the P4 slot, 515## the P4 entries for "bwtwo" will attach to the overlay plane of the 516## "cgfour". 517 518bwtwo0 at sbus0 slot ? offset ? # sun4c and sun4m 519bwtwo* at sbus? slot ? offset ? # 520#bwtwo0 at obio0 addr 0xfd000000 level 4 # sun4/200 521#bwtwo0 at obio0 addr 0xfb300000 level 4 # sun4/300 in P4 slot 522#bwtwo0 at obio0 addr 0x0b300000 level 4 # sun4/100 in P4 slot 523 524## Sun "cgtwo" VME color framebuffer 525#cgtwo0 at vme0 addr 0x400000 irq ? vect 0xa8 526 527## Sun "cgthree" Sbus color framebuffer 528cgthree0 at sbus? slot ? offset ? 529cgthree* at sbus? slot ? offset ? 530 531## Sun "cgfour" color framebuffer with overlay plane. See above comment 532## regarding overlay plane. 533#cgfour0 at obio0 addr 0xfb300000 level 4 # sun4/300 P4 534#cgfour0 at obio0 addr 0x0b300000 level 4 # sun4/100 P4 535 536## Sun "cgsix" accelerated color framebuffer. 537cgsix0 at sbus? slot ? offset ? 538cgsix* at sbus? slot ? offset ? 539#cgsix0 at obio0 addr 0xfb000000 level 4 # sun4/300 P4 540#cgsix0 at obio0 addr 0x0b000000 level 4 # sun4/100 P4 541 542## Sun "cgeight" 24-bit framebuffer 543#cgeight0 at obio0 addr 0xfb300000 level 4 # sun4/300 P4 544#cgeight0 at obio0 addr 0x0b300000 level 4 # sun4/100 P4 545 546## Sun "tcx" accelerated color framebuffer. 547# there can be only one 548tcx0 at sbus? slot ? offset ? 549 550## Sun CG12 / Matrox SG3 accelerated 24bit framebuffer 551## runs monochrome only for now 552## since it occupies 3 SBus slots there's no way to use more than one 553cgtwelve0 at sbus? slot ? offset ? 554 555# Sun "cgfourteen" accelerated 24-bit framebuffer. 556cgfourteen* at obio0 # sun4m 557 558# P9100-based display on Tadpole SPARCbook 3. 559pnozz0 at sbus? slot ? offset ? 560# the SPARCbook 3 hardware docs say that accesses to P9100 registers need to be 561# 'latched in' but at least my 3GX works happily without 562# Enable it by default since we don't know which hardware really needs it. 563options PNOZZ_USE_LATCH 564 565# Sun ZX/Leo 24-bit framebuffer 566zx* at sbus? slot ? offset ? 567 568# Fujitsu AG-10e accelerated graphics 8/24-bit board 569agten* at sbus? slot ? offset ? 570 571## Southland Media Systems (now Quantum 3D) MGX 572mgx* at sbus? slot ? offset ? 573 574# generic framebuffer console 575genfb* at sbus? slot ? offset ? 576 577# make sure wsdisplay0 is the console 578wsdisplay0 at wsemuldisplaydev? console 1 579wsdisplay* at wsemuldisplaydev? 580 581#### Other device configuration 582 583## Pseudo ttys, required for network logins and programs like screen. 584 585pseudo-device pty # pseudo-terminals 586 587## Random device, used to implement /dev/random (a source of random noise), 588## and generate randomness for some kernel formulae. 589 590#pseudo-device fss # file system snapshot device 591 592pseudo-device wsmux # mouse and keyboard multiplexor 593pseudo-device wsfont 594