1# $NetBSD: INSTALL,v 1.93 2016/12/08 11:31:12 nat 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=1800 # 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 153#options TCP_COMPAT_42 # 4.2BSD TCP/IP bug compat. Not recommended. 154options COMPAT_BSDPTY # /dev/[pt]ty?? ptys. 155 156## File systems. You probably need at least one of FFS or NFS. 157file-system FFS # Berkeley Fast Filesystem 158file-system NFS # Sun NFS-compatible filesystem client 159#file-system KERNFS # kernel data-structure filesystem 160#file-system NULLFS # NULL layered filesystem 161file-system MFS # memory-based filesystem 162#file-system FDESC # user file descriptor filesystem 163#file-system UMAPFS # uid/gid remapping filesystem 164#file-system LFS # Log-based filesystem (still experimental) 165#file-system PROCFS # /proc 166file-system CD9660 # ISO 9660 + Rock Ridge file system 167#file-system UNION # union file system 168#file-system MSDOSFS # MS-DOS FAT filesystem(s). 169#file-system PTYFS # /dev/pts/N support 170 171## File system options 172#options NFSSERVER # Sun NFS-compatible filesystem server 173#options QUOTA # legacy UFS quotas 174#options QUOTA2 # new, in-filesystem UFS quotas 175#options FFS_EI # FFS Endian Independent support 176#options NFS_V2_ONLY # Exclude NFS3 code to save space 177options FFS_NO_SNAPSHOT # No FFS snapshot support 178options WAPBL # File system journaling support 179 180## Network protocol support. In most environments, INET is required. 181options INET # IP (Internet Protocol) v4 182#options GATEWAY # packet forwarding ("router switch") 183#options MROUTING # packet forwarding of multicast packets 184#options PIM # Protocol Independent Multicast 185#options DIRECTED_BROADCAST # allow broadcasts through routers 186#options NETATALK # AppleTalk (over Ethernet) protocol 187#options NTP # Network Time Protocol in-kernel support 188#options PPS_SYNC # Add serial line synchronization for NTP 189#options IPFILTER_LOG # Add ipmon(8) logging for ipfilter device 190#options IPFILTER_LOOKUP # ippool(8) support 191#options PPP_BSDCOMP # Add BSD compression to ppp device 192#options PPP_DEFLATE # Add deflate (libz) compression to ppp device 193#options PPP_FILTER # Add active filters for ppp (via bpf) 194#options TCP_DEBUG # Record last TCP_NDEBUG packets with SO_DEBUG 195 196 197#### Main bus and CPU .. all systems. 198mainbus0 at root 199cpu0 at mainbus0 200 201#### SX rendering engine found in SS20 and SS10SX 202sx0 at mainbus0 203 204#### Bus types found on SPARC systems. 205 206sbus0 at mainbus0 # sun4c 207obio0 at mainbus0 # sun4 and sun4m 208sparcvme0 at mainbus0 # sun4 209iommu0 at mainbus0 # sun4m 210sbus0 at iommu0 # sun4m 211sparcvme0 at iommu0 # sun4m 212vme0 at sparcvme0 # mi VME attachment 213 214## SBus expander box 215xbox* at sbus? slot ? offset ? 216sbus* at xbox? 217 218## SBus to PCMCIA bridge 219# Currently enabling nell* with audioamd* causes panic at attach 220#nell* at sbus? slot ? offset ? # PCMCIA bridge 221#pcmcia* at nell? 222 223#### Standard system devices -- all required for a given architecture 224 225## Auxiliary system registers on sun4c and sun4m 226auxreg0 at mainbus0 # sun4c 227auxreg0 at obio0 # sun4m 228 229## Power status and control register on Sun4m systems 230power0 at obio0 231 232## Mostek clock found on 4/300, sun4c, and sun4m systems. 233## The Mostek clock NVRAM is the "eeprom" on sun4/300 systems. 234clock0 at mainbus0 # sun4c 235clock0 at obio0 # sun4m 236clock0 at obio0 addr 0xf2000000 # sun4/300 237 238## Intersil clock found on 4/100 and 4/200 systems. 239oclock0 at obio0 addr 0xf3000000 # sun4/200 240oclock0 at obio0 addr 0x03000000 # sun4/100 241 242## Memory error registers. 243memreg0 at mainbus0 # sun4c 244memreg0 at obio0 # sun4m 245memreg0 at obio0 addr 0xf4000000 # sun4/200 and sun4/300 246memreg0 at obio0 addr 0x04000000 # sun4/100 247 248## ECC memory control 249eccmemctl0 at mainbus0 # sun4m 250 251## Timer chip found on 4/300, sun4c, and sun4m systems. 252timer0 at mainbus0 # sun4c 253timer0 at obio0 # sun4m 254timer0 at obio0 addr 0xef000000 # sun4/300 255 256## EEPROM found on 4/100 and 4/200 systems. Note that the 4/300 257## doesn't use this driver; the `EEPROM' is in the NVRAM on the 258## Mostek clock chip on 4/300 systems. 259eeprom0 at obio0 addr 0xf2000000 # sun4/200 260eeprom0 at obio0 addr 0x02000000 # sun4/100 261 262 263#### Serial port configuration 264 265## Zilog 8530 serial chips. Each has two-channels. 266## zs0 is ttya and ttyb. zs1 is the keyboard and mouse. 267zs0 at mainbus0 # sun4c 268zs0 at obio0 # sun4m 269zs0 at obio0 addr 0xf1000000 level 12 flags 0x103 # sun4/200 and sun4/300 270zs0 at obio0 addr 0x01000000 level 12 flags 0x103 # sun4/100 271 272zs1 at mainbus0 # sun4c 273zs1 at obio0 # sun4m 274zs1 at obio0 addr 0xf0000000 level 12 flags 0x103 # sun4/200 and sun4/300 275zs1 at obio0 addr 0x00000000 level 12 flags 0x103 # sun4/100 276 277zs2 at obio0 addr 0xe0000000 level 12 # sun4/300 278 279zstty* at zs? 280 281# these are for wscons 282kbd0 at zstty? 283ms0 at zstty? 284wskbd* at wskbddev? 285wsmouse* at wsmousedev? 286 287## Magma Serial/Parallel driver 288#magma* at sbus? slot ? offset ? 289#mtty* at magma? 290#mbpp* at magma? 291 292## PCMCIA serial interfaces 293#com* at pcmcia? 294#pcmcom* at pcmcia? 295#com* at pcmcom? 296 297#### Disk controllers and disks 298 299# 300 301## The following flags may be set for the NCR53c94 based esp driver: 302## bits 0-7: disable disconnect/reselect for the corresponding target 303## bits 8-15: disable synchronous negotiation for target [bit-8] 304 305## sun4/300, sun4c, sun4m on-board SCSI, and FSBE/S SBus SCSI cards. 306## Both `dma' and `esp' are needed in all cases. 307## Two kinds of additional SBus SCSI interfaces are available. One uses 308## "esp at sbus" like the sun4c on-board; the other uses "esp at dma". 309 310## sun4/300 SCSI - an NCR53c94 or equivalent behind 311## an LSI Logic DMA controller 312 313dma0 at obio0 addr 0xfa001000 level 4 # sun4/300 314esp0 at obio0 addr 0xfa000000 level 4 flags 0x0000 # sun4/300 315 316dma0 at sbus0 slot ? offset ? # sun4c/sun4m 317esp0 at sbus0 slot ? offset ? flags 0x0000 # sun4c 318esp0 at dma0 flags 0x0000 # sun4m 319 320# FSBE/S SCSI 321dma* at sbus? slot ? offset ? # SBus 322esp* at sbus? slot ? offset ? flags 0x0000 # SBus (older proms) 323esp* at dma? flags 0x0000 # SBus 324 325scsibus* at esp? 326 327## Qlogic ISP SBus SCSI Card 328isp* at sbus? slot ? offset ? 329scsibus* at isp? 330 331## NCR5380-based "Sun SCSI 3" VME SCSI controller. 332## This driver has several flags which may be enabled by OR'ing 333## the values and using the "flags" directive. 334## Valid flags are: 335## 336## 0x01 Use DMA (may be polled) 337## 0x02 Use DMA completion interrupts 338## 0x04 Allow disconnect/reselect 339## 340## E.g. the following would enable DMA, interrupts, and reselect: 341## si0 at vme0 addr 0x200000 irq 3 vect 0x40 flags 0x07 342## 343## By default, DMA is enabled in the driver. 344 345si0 at vme0 addr 0x200000 irq 2 vect 0x40 346scsibus* at si? 347 348## NCR5380-based "SCSI Weird" on-board SCSI interface found 349## on sun4/100 systems. The flags are the same as the "si" 350## controller. Note, while DMA is enabled by default, only 351## polled DMA works at this time, and reselects do not work 352## on this particular controller. 353 354sw0 at obio0 addr 0x0a000000 level 3 355scsibus* at sw? 356 357## PCMCIA SCSI controllers 358#aic* at pcmcia? 359#scsibus* at aic? 360 361 362## These entries find devices on all SCSI busses and assign 363## unit numbers dynamically. 364sd* at scsibus? target ? lun ? # SCSI disks 365st* at scsibus? target ? lun ? # SCSI tapes 366cd* at scsibus? target ? lun ? # SCSI CD-ROMs 367#ch* at scsibus? target ? lun ? # SCSI changer devices 368#ss* at scsibus? target ? lun ? # SCSI scanners 369#uk* at scsibus? target ? lun ? # unknown SCSI 370 371 372## Xylogics 753 or 7053 VME SMD disk controllers and disks, found 373## on sun4 systems. 374xdc0 at vme0 addr 0xee80 irq 3 vect 0x44 375xdc1 at vme0 addr 0xee90 irq 3 vect 0x45 376xdc2 at vme0 addr 0xeea0 irq 3 vect 0x46 377xdc3 at vme0 addr 0xeeb0 irq 3 vect 0x47 378xd* at xdc? drive ? 379 380## Xylogics 451 or 451 VME SMD disk controllers and disks, found 381## on sun4 systems. 382xyc0 at vme0 addr 0xee40 irq 3 vect 0x48 383xyc1 at vme0 addr 0xee48 irq 3 vect 0x49 384xy* at xyc? drive ? 385 386 387## Floppy controller and drive found on SPARCstations. 388 389fdc0 at mainbus0 # sun4c controller 390fdc0 at obio0 # sun4m controller 391fd* at fdc0 # the drive itself 392 393## PCMCIA IDE controllers 394#wdc* at pcmcia? 395#wd* at wdc? 396 397## A disk-like interface to files. Can be used to create floppy, CD, 398## miniroot images, etc. 399 400#pseudo-device vnd 401 402## Concatenated and striped disks; with this, you can create a software-based 403## disk array similar to a "RAID 0" setup. See ccd(4). 404 405#pseudo-device ccd 406 407## RAIDframe disk driver: software RAID driver. See raid(4). 408 409#pseudo-device raid 410 411## Memory disk device, used on boot floppies with compressed 412## kernel-plus-root-disk images. 413 414#pseudo-device md 415 416 417#### Network interfaces 418 419## LANCE Ethernet - an AMD 7990 LANCE behind specialized DMA glue 420## Three flavors of additional SBus ethernets are available. One attaches 421## directly like the sun4c on-board, one uses the ledma device like the 422## sun4m on-board, and one uses the lebuffer device. 423 424le0 at obio0 addr 0xf9000000 level 6 # sun4/300 425le0 at sbus0 slot ? offset ? # sun4c on-board 426ledma0 at sbus0 slot ? offset ? # sun4m on-board 427le0 at ledma0 # sun4m on-board 428le* at sbus? slot ? offset ? # SBus 429ledma* at sbus? slot ? offset ? # SBus 430le* at ledma? # SBus 431lebuffer0 at sbus? slot ? offset ? # SBus 432le0 at lebuffer? # SBus 433lebuffer* at sbus? slot ? offset ? # SBus 434le* at lebuffer? # SBus 435 436 437## sun4/100 and sun4/200 Ethernet - an Intel 82586 on-board 438## or on a Multibus/VME card. 439ie0 at obio0 addr 0xf6000000 level 6 # sun4/200 on-board 440ie0 at obio0 addr 0x06000000 level 6 # sun4/100 on-board 441ie1 at vme0 addr 0xe88000 irq 3 vect 0x75 # VME 442ie2 at vme0 addr 0x31ff02 irq 3 vect 0x76 # VME 443ie3 at vme0 addr 0x35ff02 irq 3 vect 0x77 # VME 444ie4 at vme0 addr 0x2dff02 irq 3 vect 0x7c # VME 445 446## qec/be, qec/hme 447qec* at sbus? slot ? offset ? 448be* at qec? 449qe* at qec? 450 451# midway ATM 452en0 at sbus? slot ? offset ? 453 454# PCMCIA ethernet devices 455#ep* at pcmcia? 456#mbe* at pcmcia? 457#ne* at pcmcia? 458#sm* at pcmcia? 459 460# MII/PHY support 461#exphy* at mii? phy ? # 3Com internal PHYs 462#icsphy* at mii? phy ? # Integrated Circuit Systems ICS189x 463#inphy* at mii? phy ? # Intel 82555 PHYs 464#lxtphy* at mii? phy ? # Level One LXT-970 PHYs 465#nsphy* at mii? phy ? # NS83840 PHYs 466#qsphy* at mii? phy ? # Quality Semiconductor QS6612 PHYs 467#sqphy* at mii? phy ? # Seeq 80220/80221/80223 PHYs 468#tlphy* at mii? phy ? # ThunderLAN PHYs 469#ukphy* at mii? phy ? # generic unknown PHYs 470 471## Loopback network interface; required 472pseudo-device loop 473 474## SLIP and CSLIP interfaces, for IP over a serial line. 475#pseudo-device sl 476 477## PPP, the successor to SLIP. See pppd(8). 478#pseudo-device ppp 479 480## Starmode Radio IP, a special hardware network device. 481#pseudo-device strip 482 483## Network "tunnel" device, allowing protocol stacks to run in the userland. 484## This is used by the third-party user-mode "ppp" program, and others. 485#pseudo-device tun 486 487## Generic L3 over IP tunnel 488#pseudo-device gre # generic L3 over IP tunnel 489 490## Berkeley Packet Filter, required to run RARPD. A generic C-language 491## interface that allows selective examining of incoming packets. 492#pseudo-device bpfilter 493 494## IP Filter, used in firewall and NAT applications. See ipnat(8) for 495## one example of the use of the IP Filter. 496#pseudo-device ipfilter 497 498 499#### Audio and video devices 500 501## /dev/audio support (`audioamd' plus `audio') 502## 503#audioamd0 at mainbus0 # sun4c 504#audioamd0 at obio0 # sun4m 505#audioamd0 at sbus0 slot ? offset ? # sun4m 506#audio* at audioamd0 507 508#audiocs0 at sbus0 slot ? offset ? # SUNW,CS4231 509#audio* at audiocs0 510 511#options VAUDIOSPEAKER 512#spkr0 at audio0 # PC speaker (synthesized) 513 514 515## Sun "bwtwo" black and white framebuffer, found on sun4, sun4c, and sun4m 516## systems. If your sun4 system has a cgfour installed in the P4 slot, 517## the P4 entries for "bwtwo" will attach to the overlay plane of the 518## "cgfour". 519 520bwtwo0 at sbus0 slot ? offset ? # sun4c and sun4m 521bwtwo* at sbus? slot ? offset ? # 522#bwtwo0 at obio0 addr 0xfd000000 level 4 # sun4/200 523#bwtwo0 at obio0 addr 0xfb300000 level 4 # sun4/300 in P4 slot 524#bwtwo0 at obio0 addr 0x0b300000 level 4 # sun4/100 in P4 slot 525 526## Sun "cgtwo" VME color framebuffer 527#cgtwo0 at vme0 addr 0x400000 irq ? vect 0xa8 528 529## Sun "cgthree" Sbus color framebuffer 530cgthree0 at sbus? slot ? offset ? 531cgthree* at sbus? slot ? offset ? 532 533## Sun "cgfour" color framebuffer with overlay plane. See above comment 534## regarding overlay plane. 535#cgfour0 at obio0 addr 0xfb300000 level 4 # sun4/300 P4 536#cgfour0 at obio0 addr 0x0b300000 level 4 # sun4/100 P4 537 538## Sun "cgsix" accelerated color framebuffer. 539cgsix0 at sbus? slot ? offset ? 540cgsix* at sbus? slot ? offset ? 541#cgsix0 at obio0 addr 0xfb000000 level 4 # sun4/300 P4 542#cgsix0 at obio0 addr 0x0b000000 level 4 # sun4/100 P4 543 544## Sun "cgeight" 24-bit framebuffer 545#cgeight0 at obio0 addr 0xfb300000 level 4 # sun4/300 P4 546#cgeight0 at obio0 addr 0x0b300000 level 4 # sun4/100 P4 547 548## Sun "tcx" accelerated color framebuffer. 549# there can be only one 550tcx0 at sbus? slot ? offset ? 551 552## Sun CG12 / Matrox SG3 accelerated 24bit framebuffer 553## runs monochrome only for now 554## since it occupies 3 SBus slots there's no way to use more than one 555cgtwelve0 at sbus? slot ? offset ? 556 557# Sun "cgfourteen" accelerated 24-bit framebuffer. 558cgfourteen* at obio0 # sun4m 559 560# P9100-based display on Tadpole SPARCbook 3. 561pnozz0 at sbus? slot ? offset ? 562# the SPARCbook 3 hardware docs say that accesses to P9100 registers need to be 563# 'latched in' but at least my 3GX works happily without 564# Enable it by default since we don't know which hardware really needs it. 565options PNOZZ_USE_LATCH 566 567# Sun ZX/Leo 24-bit framebuffer 568zx* at sbus? slot ? offset ? 569 570# Fujitsu AG-10e accelerated graphics 8/24-bit board 571agten* at sbus? slot ? offset ? 572 573## Southland Media Systems (now Quantum 3D) MGX 574mgx* at sbus? slot ? offset ? 575 576# generic framebuffer console 577genfb* at sbus? slot ? offset ? 578 579# make sure wsdisplay0 is the console 580wsdisplay0 at wsemuldisplaydev? console 1 581wsdisplay* at wsemuldisplaydev? 582 583#### Other device configuration 584 585## Pseudo ttys, required for network logins and programs like screen. 586 587pseudo-device pty # pseudo-terminals 588 589## Random device, used to implement /dev/random (a source of random noise), 590## and generate randomness for some kernel formulae. 591 592#pseudo-device fss # file system snapshot device 593 594pseudo-device wsmux # mouse and keyboard multiplexor 595pseudo-device wsfont 596