GENERIC_TINY revision 1.76
1# $NetBSD: GENERIC_TINY,v 1.76 2004/11/10 17:25:22 christos Exp $ 2# 3# GENERIC_TINY -- suitable default for 4M machines 4# No EISA, PCI, or SCSI. 5# 6 7include "arch/i386/conf/std.i386" 8 9#options INCLUDE_CONFIG_FILE # embed config file in kernel binary 10 11makeoptions COPTS="-Os" 12 13maxusers 8 # estimated number of users 14 15# CPU support. At least one is REQUIRED. 16options I386_CPU 17options I486_CPU 18options I586_CPU 19options I686_CPU 20 21# CPU-related options. 22options MATH_EMULATE # floating point emulation 23#options VM86 # virtual 8086 emulation 24#options USER_LDT # user-settable LDT; used by WINE 25# insert delay no-ops in interrupts; recommended on very old machines 26options PIC_DELAY 27 28# This option allows you to force a serial console at the specified 29# I/O address. see console(4) for details. 30#options CONSDEVNAME="\"com\"" 31 32# The following options override the memory sizes passed in from the boot 33# block. Use them *only* if the boot block is unable to determine the correct 34# values. Note that the BIOS may *correctly* report less than 640k of base 35# memory if the extended BIOS data area is located at the top of base memory 36# (as is the case on most recent systems). 37#options REALBASEMEM=... # size of base memory 38#options REALEXTMEM=... # size of extended memory 39 40# Save a physical page per process by not setting a kernel stack red zone. 41options NOREDZONE 42 43# Standard system options 44 45options INSECURE # disable kernel security levels - X needs this 46 47options RTC_OFFSET=0 # hardware clock is this many mins. west of GMT 48#options NTP # NTP phase/frequency locked loop 49 50#options KTRACE # system call tracing via ktrace(1) 51 52#options SYSVMSG # System V-like message queues 53#options SYSVSEM # System V-like semaphores 54#options SYSVSHM # System V-like memory sharing 55#options SHMMAXPGS=2048 # 2048 pages is the default 56#options P1003_1B_SEMAPHORE # p1003.1b semaphore support 57 58options NMBCLUSTERS=256 59 60#options LKM # loadable kernel modules 61 62#options USERCONF # userconf(4) support 63options PIPE_SOCKETPAIR # smaller, but slower pipe(2) 64#options SYSCTL_INCLUDE_DESCR # Include sysctl descriptions in kernel 65 66# Diagnostic/debugging support options 67#options DIAGNOSTIC # expensive kernel consistency checks 68#options DEBUG # expensive debugging checks/support 69#options KMEMSTATS # kernel memory statistics (vmstat -m) 70#options DDB # in-kernel debugger 71#options DDB_ONPANIC=1 # see also sysctl(8): `ddb.onpanic' 72#options DDB_HISTORY_SIZE=512 # enable history editing in DDB 73#options KGDB # remote debugger 74#options KGDB_DEVNAME="\"com\"",KGDB_DEVADDR=0x3f8,KGDB_DEVRATE=9600 75#makeoptions DEBUG="-g" # compile full symbol table 76 77# Compatibility options 78#options COMPAT_NOMID # NetBSD 0.8, 386BSD, and BSDI 79#options COMPAT_09 # NetBSD 0.9 80#options COMPAT_10 # NetBSD 1.0 81#options COMPAT_11 # NetBSD 1.1 82options COMPAT_12 # NetBSD 1.2, 386BSD, and BSDI 83options COMPAT_13 # NetBSD 1.3, 386BSD, and BSDI 84options COMPAT_14 # NetBSD 1.4 85options COMPAT_15 # NetBSD 1.5 86options COMPAT_16 # NetBSD 1.6 87options COMPAT_43 # 4.3BSD, 386BSD, and BSDI 88options COMPAT_386BSD_MBRPART # recognize old partition ID 89#options TCP_COMPAT_42 # 4.2BSD TCP/IP bug compat. Not recommended. 90 91#options COMPAT_SVR4 # binary compatibility with SVR4 92#options COMPAT_IBCS2 # binary compatibility with SCO and ISC 93#options COMPAT_LINUX # binary compatibility with Linux 94#options COMPAT_FREEBSD # binary compatibility with FreeBSD 95options COMPAT_BSDPTY # /dev/[pt]ty?? ptys. 96 97# File systems 98file-system FFS # UFS 99#file-system EXT2FS # second extended file system (linux) 100#file-system LFS # log-structured file system 101#file-system MFS # memory file system 102file-system NFS # Network File System client 103file-system CD9660 # ISO 9660 + Rock Ridge file system 104file-system MSDOSFS # MS-DOS file system 105#file-system FDESC # /dev/fd 106file-system KERNFS # /kern 107#file-system NULLFS # loopback file system 108#file-system PORTAL # portal filesystem (still experimental) 109#file-system PROCFS # /proc 110#file-system UMAPFS # NULLFS + uid and gid remapping 111#file-system UNION # union file system 112 113# File system options 114#options QUOTA # UFS quotas 115#options FFS_EI # FFS Endian Independant support 116#options NFSSERVER # Network File System server 117#options EXT2FS_SYSTEM_FLAGS # makes ext2fs file flags (append and 118 # immutable) behave as system flags. 119options VNODE_OP_NOINLINE # don't inline vnode op calls 120 121# Networking options 122#options GATEWAY # packet forwarding 123options INET # IP + ICMP + TCP + UDP 124#options MROUTING # IP multicast routing 125#options PIM # Protocol Independent Multicast 126#options NS # XNS 127#options NSIP # XNS tunneling over IP 128#options ISO,TPIP # OSI 129#options EON # OSI tunneling over IP 130#options CCITT,LLC,HDLC # X.25 131#options NETATALK # AppleTalk networking protocols 132#options PPP_BSDCOMP # BSD-Compress compression support for PPP 133#options PPP_DEFLATE # Deflate compression support for PPP 134#options PPP_FILTER # Active filter support for PPP (requires bpf) 135#options PFIL_HOOKS # pfil(9) packet filter hooks 136#options IPFILTER_LOG # ipmon(8) log support 137#options IPFILTER_DEFAULT_BLOCK # block all packets by default 138#options TCP_DEBUG # Record last TCP_NDEBUG packets with SO_DEBUG 139 140#options ALTQ # Manipulate network interfaces' output queues 141#options ALTQ_BLUE # Stochastic Fair Blue 142#options ALTQ_CBQ # Class-Based Queueing 143#options ALTQ_CDNR # Diffserv Traffic Conditioner 144#options ALTQ_FIFOQ # First-In First-Out Queue 145#options ALTQ_FLOWVALVE # RED/flow-valve (red-penalty-box) 146#options ALTQ_HFSC # Hierarchical Fair Service Curve 147#options ALTQ_LOCALQ # Local queueing discipline 148#options ALTQ_PRIQ # Priority Queueing 149#options ALTQ_RED # Random Early Detection 150#options ALTQ_RIO # RED with IN/OUT 151#options ALTQ_WFQ # Weighted Fair Queueing 152 153# These options enable verbose messages for several subsystems. 154# Warning, these may compile large string tables into the kernel! 155#options EISAVERBOSE # verbose EISA device autoconfig messages 156#options PCIVERBOSE # verbose PCI device autoconfig messages 157#options PCI_CONFIG_DUMP # verbosely dump PCI config space 158#options PCMCIAVERBOSE # verbose PCMCIA configuration messages 159#options SCSIVERBOSE # human readable SCSI error messages 160#options USBVERBOSE # verbose USB device autoconfig messages 161 162#options NFS_BOOT_BOOTP,NFS_BOOT_BOOTPARAM 163 164# Kernel root file system and dump configuration. 165config netbsd root on ? type ? 166#config netbsd root on sd0a type ffs 167#config netbsd root on ? type nfs 168 169# 170# wscons options 171# 172# builtin terminal emulations 173#options WSEMUL_SUN # sun terminal emulation 174options WSEMUL_VT100 # VT100 / VT220 emulation 175# customization of console and kernel output - see dev/wscons/wsdisplayvar.h 176#options WSDISPLAY_CUSTOM_OUTPUT # color customization from wsconsctl(8) 177#options WS_DEFAULT_FG=WSCOL_WHITE 178#options WS_DEFAULT_BG=WSCOL_BLACK 179#options WS_DEFAULT_COLATTR="(0)" 180#options WS_DEFAULT_MONOATTR="(0)" 181options WS_KERNEL_FG=WSCOL_GREEN 182#options WS_KERNEL_BG=WSCOL_BLACK 183#options WS_KERNEL_COLATTR="" 184#options WS_KERNEL_MONOATTR="" 185# customization of console border color 186#options WSDISPLAY_CUSTOM_BORDER # border customization from wsconsctl(8) 187#options WSDISPLAY_BORDER_COLOR=WSCOL_BLUE # default color 188# compatibility to other console drivers 189options WSDISPLAY_COMPAT_PCVT # emulate some ioctls 190options WSDISPLAY_COMPAT_SYSCONS # emulate some ioctls 191options WSDISPLAY_COMPAT_USL # VT handling 192options WSDISPLAY_COMPAT_RAWKBD # can get raw scancodes 193# see dev/pckbc/wskbdmap_mfii.c for implemented layouts 194#options PCKBD_LAYOUT="(KB_DE | KB_NODEAD)" 195# allocate a number of virtual screens at autoconfiguration time 196#options WSDISPLAY_DEFAULTSCREENS=4 197# use a large software cursor that doesn't blink 198options PCDISPLAY_SOFTCURSOR 199 200# 201# Device configuration 202# 203 204mainbus0 at root 205 206cpu0 at mainbus0 207 208#apm0 at mainbus0 # Advanced power management 209 210 211# Basic Bus Support 212 213# PCI bus support 214#pci* at mainbus? bus ? 215#pci* at pchb? bus ? 216#pci* at ppb? bus ? 217 218# PCI bridges 219#pchb* at pci? dev ? function ? # PCI-Host bridges 220#pceb* at pci? dev ? function ? # PCI-EISA bridges 221#pcib* at pci? dev ? function ? # PCI-ISA bridges 222#ichlpcib* at pci? dev ? function ? # Intel ICH PCI-ISA w/ watchdog and 223 # SpeedStep support 224#ppb* at pci? dev ? function ? # PCI-PCI bridges 225# XXX 'puc's aren't really bridges, but there's no better place for them here 226#puc* at pci? dev ? function ? # PCI "universal" comm. cards 227 228# EISA bus support 229#eisa0 at mainbus? 230#eisa0 at pceb? 231 232# ISA bus support 233isa0 at mainbus? 234#isa0 at pceb? 235#isa0 at pcib? 236#isa0 at ichlpcib? 237 238# PCMCIA bus support 239pcmcia* at pcic? controller ? socket ? 240 241# ISA PCMCIA controllers 242pcic0 at isa? port 0x3e0 iomem 0xd0000 iosiz 0x4000 243pcic1 at isa? port 0x3e2 iomem 0xd4000 iosiz 0x4000 244 245# ISA Plug-and-Play bus support 246#isapnp0 at isa? 247 248# ISA Plug-and-Play PCMCIA controllers 249#pcic* at isapnp? 250 251# Coprocessor Support 252 253# Math Coprocessor support 254npx0 at isa? port 0xf0 irq 13 # x86 math coprocessor 255 256# Console Devices 257 258# ISA console 259#pc0 at isa? port 0x60 irq 1 # pccons generic PC console driver 260 261# wscons 262pckbc0 at isa? # pc keyboard controller 263pckbd* at pckbc? # PC keyboard 264#pms* at pckbc? # PS/2 mouse for wsmouse 265vga0 at isa? 266#vga* at pci? dev ? function ? 267pcdisplay0 at isa? # CGA, MDA, EGA, HGA 268wsdisplay* at vga? console ? 269wsdisplay* at pcdisplay? console ? 270wskbd* at pckbd? console ? 271#wsmouse* at pms? mux 0 272 273 274#pcppi0 at isa? 275#sysbeep0 at pcppi? 276 277# Serial Devices 278 279# PCI serial interfaces 280#com* at puc? port ? # 16x50s on "universal" comm boards 281#cy* at pci? dev ? function ? # Cyclades Cyclom-Y serial boards 282 283# ISA Plug-and-Play serial interfaces 284#com* at isapnp? # Modems and serial boards 285 286# PCMCIA serial interfaces 287com* at pcmcia? function ? # Modems and serial cards 288 289# ISA serial interfaces 290#options COM_HAYESP # adds Hayes ESP serial board support 291com0 at isa? port 0x3f8 irq 4 # Standard PC serial ports 292com1 at isa? port 0x2f8 irq 3 293com2 at isa? port 0x3e8 irq 5 294#com3 at isa? port 0x2e8 irq 9 295#ast0 at isa? port 0x1a0 irq 5 # AST 4-port serial cards 296#com* at ast? slave ? 297#boca0 at isa? port 0x100 irq 5 # BOCA 8-port serial cards 298#com* at boca? slave ? 299#rtfps0 at isa? port 0x1230 irq 10 # RT 4-port serial cards 300#com* at rtfps? slave ? 301#cy0 at isa? iomem 0xd4000 irq 12 # Cyclades serial cards 302 303 304# Parallel Printer Interfaces 305 306# PCI parallel printer interfaces 307#lpt* at puc? port ? # || ports on "universal" comm boards 308 309# ISA parallel printer interfaces 310lpt0 at isa? port 0x378 irq 7 # standard PC parallel ports 311#lpt1 at isa? port 0x278 312#lpt2 at isa? port 0x3bc 313 314 315# SCSI Controllers and Devices 316 317# PCI SCSI controllers 318#ahc* at pci? dev ? function ? # Adaptec [23]94x, aic78x0 SCSI 319#dpt* at pci? dev ? function ? # DPT SmartCache/SmartRAID 320#bha* at pci? dev ? function ? # BusLogic 9xx SCSI 321#isp* at pci? dev ? function ? # Qlogic ISP [12]0x0 SCSI/FibreChannel 322#siop* at pci? dev ? function ? # NCR 53c8xx SCSI 323#esiop* at pci? dev ? function ? # NCR 53c875 SCSI and newer 324#options SIOP_SYMLED # drive the act. LED in software 325 326# EISA SCSI controllers 327#ahb* at eisa? slot ? # Adaptec 174[02] SCSI 328#ahc* at eisa? slot ? # Adaptec 274x, aic7770 SCSI 329#bha* at eisa? slot ? # BusLogic 7xx SCSI 330#dpt* at eisa? slot ? # DPT SmartCache/SmartRAID 331#uha* at eisa? slot ? # UltraStor 24f SCSI 332 333# PCMCIA SCSI controllers 334#aic* at pcmcia? function ? # Adaptec APA-1460 SCSI 335 336# ISA Plug-and-Play SCSI controllers 337#aic* at isapnp? # Adaptec AHA-1520B 338 339# ISA SCSI controllers 340#aha0 at isa? port 0x330 irq ? drq ? # Adaptec 154[02] SCSI 341#aha1 at isa? port 0x334 irq ? drq ? 342#ahc0 at isa? port ? irq ? # Adaptec 284x SCSI 343#aic0 at isa? port 0x340 irq 11 # Adaptec 152[02] SCSI 344#bha0 at isa? port 0x330 irq ? drq ? # BusLogic [457]4X SCSI 345#bha1 at isa? port 0x334 irq ? drq ? 346#sea0 at isa? iomem 0xc8000 irq 5 # Seagate/Future Domain SCSI 347#uha0 at isa? port 0x330 irq ? drq ? # UltraStor [13]4f SCSI 348#uha1 at isa? port 0x340 irq ? drq ? 349#wds0 at isa? port 0x350 irq 15 drq 6 # WD7000 and TMC-7000 controllers 350#wds1 at isa? port 0x358 irq 11 drq 5 351 352# SCSI bus support 353#scsibus* at scsi? 354 355# SCSI devices 356#sd* at scsibus? target ? lun ? # SCSI disk drives 357#st* at scsibus? target ? lun ? # SCSI tape drives 358#cd* at scsibus? target ? lun ? # SCSI CD-ROM drives 359#ch* at scsibus? target ? lun ? # SCSI autochangers 360#ss* at scsibus? target ? lun ? # SCSI scanners 361#uk* at scsibus? target ? lun ? # SCSI unknown 362 363 364# IDE and related devices 365 366# ISA Plug-and-Play IDE controllers 367#wdc* at isapnp? 368 369# PCMCIA IDE controllers 370wdc* at pcmcia? function ? 371 372# ISA IDE controllers 373wdc0 at isa? port 0x1f0 irq 14 # ST506, ESDI, and IDE controllers 374wdc1 at isa? port 0x170 irq 15 375 376# ATA (IDE) bus support 377atabus* at ata? 378 379# IDE drives 380wd* at atabus? drive ? # the drives themselves 381 382# ATAPI bus support 383atapibus* at atapi? 384 385# ATAPI devices 386cd* at atapibus? drive ? # ATAPI CD-ROM drives 387sd* at atapibus? drive ? # ATAPI disk drives 388 389 390# Miscellaneous mass storage devices 391 392# ISA floppy 393fdc0 at isa? port 0x3f0 irq 6 drq 2 # standard PC floppy controllers 394#fdc1 at isa? port 0x370 irq ? drq ? 395fd* at fdc? drive ? # the drives themselves 396# some machines need you to do this instead of fd* 397#fd0 at fdc0 drive 0 398 399# ISA CD-ROM devices 400#mcd0 at isa? port 0x300 irq 10 # Mitsumi CD-ROM drives 401 402# ISA tape devices 403# note: the wt driver conflicts unpleasantly with SMC boards at the 404# same I/O address. The probe reprograms their EEPROMs. Don't 405# uncomment it unless you are actually using it. 406#wt0 at isa? port 0x308 irq 5 drq 1 # Archive and Wangtek QIC tape drives 407 408 409# Network Interfaces 410 411# PCI network interfaces 412#en* at pci? dev ? function ? # ENI/Adaptec ATM 413#ep* at pci? dev ? function ? # 3Com 3c59x/3c90x Ethernet 414#epic* at pci? dev ? function ? # SMC EPIC/100 Ethernet 415#esh* at pci? dev ? function ? # Essential HIPPI card 416#fpa* at pci? dev ? function ? # DEC DEFPA FDDI 417#fxp* at pci? dev ? function ? # Intel EtherExpress PRO 10+/100B 418#le* at pci? dev ? function ? # PCnet-PCI Ethernet 419#ne* at pci? dev ? function ? # NE2000-compatible Ethernet 420#tl* at pci? dev ? function ? # ThunderLAN-based Ethernet 421#tlp* at pci? dev ? function ? # DECchip 21x4x and clones 422 423# EISA network interfaces 424#ep* at eisa? slot ? # 3Com 3c579 Ethernet 425#fea* at eisa? slot ? # DEC DEFEA FDDI 426 427# ISA Plug-and-Play network interfaces 428#ep* at isapnp? # 3Com 3c509 Ethernet 429#ne* at isapnp? # NE2000-compatible Ethernet 430 431# PCMCIA network interfaces 432ep* at pcmcia? function ? # 3Com 3c589 and 3c562 Ethernet 433mbe* at pcmcia? function ? # MB8696x based Ethernet 434ne* at pcmcia? function ? # NE2000-compatible Ethernet 435sm* at pcmcia? function ? # Megahertz Ethernet 436 437# ISA network interfaces 438ate0 at isa? port 0x2a0 irq ? # AT1700 439ec0 at isa? port 0x250 iomem 0xd8000 irq 9 # 3Com 3c503 Ethernet 440eg0 at isa? port 0x280 irq 9 # 3C505 ethernet cards 441el0 at isa? port 0x300 irq 9 # 3C501 ethernet cards 442ep0 at isa? port ? irq ? # 3C509 ethernet cards 443ef0 at isa? port 0x360 iomem 0xd0000 irq 7 # 3C507 444ai0 at isa? port 0x360 iomem 0xd0000 irq 7 # StarLAN 445fmv0 at isa? port 0x2a0 irq ? # FMV-180 series 446ix0 at isa? port 0x300 irq 10 # EtherExpress/16 447iy0 at isa? port 0x360 irq ? # EtherExpress PRO 10 ISA 448lc0 at isa? port 0x320 iomem ? irq ? # DEC EtherWORKS III (LEMAC) 449#depca0 at isa? port 0x300 iomem 0xc8000 iosiz 0x8000 irq 5 # DEPCA 450#le* at depca? 451nele0 at isa? port 0x320 irq 9 drq 7 # NE2100 452le* at nele? 453bicc0 at isa? port 0x320 irq 10 drq 7 # BICC IsoLan 454le* at bicc? 455ne0 at isa? port 0x280 irq 9 # NE[12]000 ethernet cards 456ne1 at isa? port 0x300 irq 10 457sm0 at isa? port 0x300 irq 10 # SMC91C9x Ethernet 458we0 at isa? port 0x280 iomem 0xd0000 irq 9 # WD/SMC Ethernet 459we1 at isa? port 0x300 iomem 0xcc000 irq 10 460 461# MII bus support 462#mii* at tl? 463 464# MII PHY network interfaces 465#tlphy* at mii? dev ? # ThunderLAN PHYs 466#nsphy* at mii? dev ? # NS and compatible PHYs 467#ukphy* at mii? phy ? # generic unknown PHYs 468 469 470# USB Controller and Devices 471 472# PCI USB controllers 473#uhci* at pci? # Universal Host Controller (Intel) 474#ohci* at pci? # Open Host Controller 475 476# USB bus support 477#usb* at uhci? 478#usb* at ohci? 479 480# USB Hubs 481#uhub* at usb? 482#uhub* at uhub? port ? 483 484# USB Mice 485#ums* at uhub? port ? 486 487# USB Keyboards 488#ukbd* at uhub? port ? 489 490# USB Generic HID devices 491#uhid* at uhub? port ? 492 493# USB Printer 494#ulpt* at uhub? port ? 495 496# USB Mass Storage 497#umass* at uhub? port ? configuration ? interface ? 498#scsibus* at umass? 499#wd* at umass? 500 501# USB Ethernet adapters 502#aue* at uhub? port ? # ADMtek AN986 Pegasus based adapters 503#axe* at uhub? port ? # ASIX AX88172 based adapters 504#cue* at uhub? port ? # CATC USB-EL1201A based adapters 505#kue* at uhub? port ? # Kawasaki LSI KL5KUSB101B based adapters 506#url* at uhub? port ? # Realtek RTL8150L based adapters 507 508# Y@P firmware loader 509#uyap* at uhub? port ? 510 511# USB Generic driver 512#ugen* at uhub? port ? 513 514# Audio Devices 515 516# PCI audio devices 517#eap* at pci? dev ? function ? # Ensoniq AudioPCI 518 519# ISA Plug-and-Play audio devices 520#guspnp* at isapnp? # Gravis Ultra Sound PnP audio 521#sb* at isapnp? # SoundBlaster-compatible audio 522#ym* at isapnp? # Yamaha OPL3-SA3 audio 523 524# ISA audio devices 525#aria0 at isa? port 0x290 irq 10 # Aria 526#gus0 at isa? port 0x220 irq 7 drq 1 drq2 6 # Gravis Ultra Sound 527#pas0 at isa? port 0x220 irq 7 drq 1 # ProAudio Spectrum 528#pss0 at isa? port 0x220 irq 7 drq 6 # Personal Sound System 529#sp0 at pss0 port 0x530 irq 10 drq 0 # sound port driver 530#sb0 at isa? port 0x220 irq 5 drq 1 drq2 5 # SoundBlaster 531#wss0 at isa? port 0x530 irq 10 drq 0 drq2 1 # Windows Sound System 532 533# Audio support 534#audio* at audiobus? 535 536# The spkr driver provides a simple tone interface to the built in speaker. 537#spkr0 at pcppi? # PC speaker 538 539 540# Joysticks 541 542# ISA Plug-and-Play joysticks 543#joy* at isapnp? # Game ports (usually on audio cards) 544 545# ISA joysticks. Probe is a little strange; add only if you have one. 546#joy0 at isa? port 0x201 547 548 549# Miscellaneous Devices 550 551# Planetconnect Satellite receiver driver. 552#satlink0 at isa? port 0x300 drq 1 553 554 555# Pull in optional local configuration 556include "arch/i386/conf/GENERIC.local" 557 558 559# Pseudo-Devices 560 561# disk/mass storage pseudo-devices 562#pseudo-device ccd 4 # concatenated/striped disk devices 563#pseudo-device md 1 # memory disk device (ramdisk) 564pseudo-device vnd 4 # disk-like interface to files 565 566# network pseudo-devices 567pseudo-device bpfilter 8 # Berkeley packet filter 568pseudo-device bridge # simple inter-network bridging 569pseudo-device ipfilter # IP filter (firewall) and NAT 570pseudo-device loop # network loopback 571pseudo-device ppp 2 # Point-to-Point Protocol 572pseudo-device pppoe # PPP over Ethernet (RFC 2516) 573#pseudo-device sl 2 # Serial Line IP 574#pseudo-device strip 2 # Starmode Radio IP (Metricom) 575pseudo-device tun 2 # network tunneling over tty 576 577# miscellaneous pseudo-devices 578pseudo-device pty # pseudo-terminals 579#pseudo-device tb 1 # tablet line discipline 580pseudo-device rnd # /dev/random and in-kernel generator 581#options RND_COM # use "com" randomness as well (BROKEN) 582pseudo-device clockctl # user control of clock subsystem 583