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GENERIC32 revision 1.36
      1 # 	$NetBSD: GENERIC32,v 1.36 2002/04/25 15:06:37 atatat Exp $
      2 
      3 include "arch/sparc64/conf/std.sparc64"
      4 
      5 options 	INCLUDE_CONFIG_FILE	# embed config file in kernel binary
      6 
      7 #ident 		"GENERIC-$Revision: 1.36 $"
      8 
      9 maxusers	64
     10 
     11 ## System kernel configuration.  See options(4) for more detail.
     12 
     13 
     14 # Options for variants of the Sun SPARC architecure.
     15 # We currently support three architecture types; at least one is required.
     16 options 	SUN4U		# sun4u - UltraSPARC
     17 #options 	BLINK		# blink the system LED
     18 
     19 ## System options specific to the sparc machine type
     20 
     21 ## Use a faster console than the PROM's slow drawing routines.  Not needed
     22 ## for headless (no framebuffer) machines.
     23 # XXX borken on sparc64
     24 #options 	RASTERCONSOLE		# fast rasterop console
     25 #options 	FONT_GALLANT12x22	# the console font
     26 #options 	FONT_BOLD8x16		# a somewhat smaller font
     27 
     28 #### System options that are the same for all ports
     29 
     30 ## Root device configuration: change the ?'s if you are going to use a
     31 ## nonstandard root partition (other than where the kernel is booted from)
     32 ## and/or nonstandard root type (not ffs or nfs).  Normally this can be
     33 ## automagically determined at boot time.
     34 
     35 config		netbsd	root on ? type ?
     36 
     37 ## UVM options.
     38 #options 	UVM_PAGE_TRKOWN
     39 #options 	UVMHIST
     40 #options 	UVMHIST_PRINT	# Loud!
     41 
     42 ## System call tracing (see ktrace(1)).
     43 options 	KTRACE
     44 
     45 ## Collect statistics on kernel malloc's and free's.  This does have a
     46 ## significant performance hit on slower machines, so it is intended for
     47 ## diagnostic use only.
     48 #options 	KMEMSTATS
     49 
     50 ## System V compatible IPC subsystem.  (msgctl(2), semctl(2), and shmctl(2))
     51 options 	SYSVMSG		# System V message queues
     52 options 	SYSVSEM		# System V semaphores
     53 options 	SYSVSHM		# System V shared memory
     54 #options 	SHMMAXPGS=1024	# 1024 pages is the default
     55 
     56 ## Loadable kernel module support; still under development.
     57 options 	LKM
     58 
     59 #options 	USERCONF	# userconf(4) support
     60 #options	PIPE_SOCKETPAIR	# smaller, but slower pipe(2)
     61 
     62 ## NFS boot options; default on sparc is the bootparam protocol
     63 options 	NFS_BOOT_BOOTPARAM
     64 #options 	NFS_BOOT_BOOTP
     65 #options 	NFS_BOOT_DHCP
     66 
     67 #### Debugging options
     68 
     69 ## The DDB in-kernel debugger runs at panic (unless DDB_ONPANIC=0), or at
     70 ## serial console break or keyboard reset, where the PROM would normally
     71 ## intercept.  DDB_HISTORY_SIZE adds up/down arrow command history.
     72 # we enable DDB in GENERIC for now.
     73 options 	DDB			# kernel dynamic debugger
     74 options 	DDB_HISTORY_SIZE=100	# enable history editing in DDB
     75 #options 	DDB_ONPANIC		# see also sysctl(8): `ddb.onpanic'
     76 
     77 ## You may also use gdb, on another computer connected to this machine over
     78 ## a serial port.  Both KGDB_DEV and KGDB_DEVRATE should be specified;
     79 ## KGDB_DEV is a dev_t encoded device number of the serial port to use.
     80 ## (0xc01 = ttya, 0xc02 = ttyb.)
     81 #options 	KGDB			# support for kernel gdb
     82 #options 	KGDB_DEV=0xc01		# kgdb device number (this is `ttyb')
     83 #options 	KGDB_DEVRATE=38400	# baud rate
     84 
     85 
     86 ## Compile the kernel with debugging symbols (`netbsd.gdb' is the debug file),
     87 ## such that gdb(1) can be used on a kernel coredump.
     88 
     89 #makeoptions	DEBUG="-g"
     90 
     91 
     92 ## Adds code to the kernel that does internal consistency checks, and will
     93 ## cause the kernel to panic if corruption of internal data structures
     94 ## is detected.
     95 #options 	DIAGNOSTIC	# extra kernel sanity checking
     96 
     97 ## Enable (possibly expensive) debugging code that may also display messages
     98 ## on the system console
     99 #options 	DEBUG
    100 
    101 ## Make SCSI error messages more verbose when explaining their meanings.
    102 options 	SCSIVERBOSE
    103 options 	PCIVERBOSE
    104 options 	MIIVERBOSE	# verbose PHY autoconfig messages
    105 #options 	PCI_CONFIG_DUMP	# verbosely dump PCI config space
    106 
    107 ## `INSECURE' turns off the kernel security level (securelevel = 0 always).
    108 ## This allows writing to /dev/mem, loading kernel modules while multi-user,
    109 ## and other insecurities good only for development work.  Do not use this
    110 ## option on a production machine.
    111 #options 	INSECURE
    112 
    113 ## Allow non-root users to grab /dev/console with programs such as xconsole.
    114 ## `xconsole' therefore does not need setuid root with this option enabled.
    115 #options 	UCONSOLE
    116 
    117 ## `FDSCRIPTS' allows non-readable but executable scripts by providing a
    118 ## pre-opened opaque file to the script interpreter.  `SETUIDSCRIPTS',
    119 ## which implies FDSCRIPTS, allows scripts to be set-user-id using the same
    120 ## opaque file mechanism.  Perl calls this "secure setuid scripts."
    121 
    122 #options 	FDSCRIPTS
    123 #options 	SETUIDSCRIPTS
    124 
    125 ## Options for compatibility with previous releases foreign system binaries.
    126 ## In the cases of COMPAT_SUNOS and COMPAT_SVR4, you may need to set up
    127 ## additional user-level utilities or system configuration files. See
    128 ## compat_sunos(8) and compat_svr4(8).
    129 
    130 options 	COMPAT_43	# 4.3BSD system interfaces
    131 options 	COMPAT_09	# NetBSD 0.9 binary compatibility
    132 options 	COMPAT_10	# NetBSD 1.0 binary compatibility
    133 options 	COMPAT_11	# NetBSD 1.1 binary compatibility
    134 options 	COMPAT_12	# NetBSD 1.2 binary compatibility
    135 options 	COMPAT_13	# NetBSD 1.3 binary compatibility
    136 options 	COMPAT_14	# NetBSD 1.4 binary compatibility
    137 options 	COMPAT_SUNOS	# SunOS 4.x binary compatibility
    138 options 	COMPAT_SVR4	# SunOS 5.x binary compatibility
    139 #options 	COMPAT_SVR4_32	# SunOS 5.x 32-bit binary compatibility -- 64-bit only
    140 #options 	COMPAT_NETBSD32	# NetBSD/sparc binary compatibility -- 64-bit only
    141 options 	EXEC_AOUT	# execve(2) support for a.out binaries
    142 options 	EXEC_ELF32	# Exec module for SunOS 5.x binaries.
    143 #options 	SYSCALL_DEBUG
    144 
    145 #options 	TCP_COMPAT_42	# 4.2BSD TCP/IP bug compat. Not recommended.
    146 
    147 ## File systems.  You probably need at least one of FFS or NFS.
    148 file-system	FFS		# Berkeley Fast Filesystem
    149 file-system	NFS		# Sun NFS-compatible filesystem client
    150 file-system	KERNFS		# kernel data-structure filesystem
    151 file-system	NULLFS		# NULL layered filesystem
    152 file-system 	OVERLAY		# overlay file system
    153 file-system	MFS		# memory-based filesystem
    154 file-system	FDESC		# user file descriptor filesystem
    155 file-system	UMAPFS		# uid/gid remapping filesystem
    156 file-system	LFS		# Log-based filesystem (still experimental)
    157 file-system	PORTAL		# portal filesystem (still experimental)
    158 file-system	PROCFS		# /proc
    159 file-system	CD9660		# ISO 9660 + Rock Ridge file system
    160 file-system	UNION		# union file system
    161 file-system	MSDOSFS		# MS-DOS FAT filesystem(s).
    162 
    163 ## File system options.
    164 options 	NFSSERVER	# Sun NFS-compatible filesystem server
    165 options 	QUOTA		# FFS quotas
    166 #options 	FFS_EI		# FFS Endian Independent support
    167 options 	SOFTDEP		# FFS soft updates support.
    168 
    169 ## Network protocol support.  In most environments, INET is required.
    170 options 	INET		# IP (Internet Protocol) v4
    171 options 	INET6		# IPV6
    172 #options 	IPSEC		# IP security
    173 #options 	IPSEC_ESP	# IP security (encryption part; define w/IPSEC)
    174 #options 	IPSEC_DEBUG	# debug for IP security
    175 #options 	GATEWAY		# packet forwarding ("router switch")
    176 options 	MROUTING	# packet forwarding of multicast packets
    177 #options 	DIRECTED_BROADCAST	# allow broadcasts through routers
    178 options 	NS		# Xerox NS networking
    179 #options 	NSIP		# Xerox NS tunneling over IP
    180 options 	ISO,TPIP	# OSI networking
    181 options 	EON		# OSI tunneling over IP
    182 #options 	CCITT,LLC,HDLC	# X.25 packet switched protocol
    183 options 	NETATALK	# AppleTalk (over Ethernet) protocol
    184 options 	NTP		# Network Time Protocol in-kernel support
    185 #options 	PPS_SYNC	# Add serial line synchronization for NTP
    186 options 	PFIL_HOOKS	# Add pfil(9) hooks, intended for custom LKMs.
    187 options 	IPFILTER_LOG	# Add ipmon(8) logging for ipfilter device
    188 options 	PPP_BSDCOMP	# Add BSD compression to ppp device
    189 options 	PPP_DEFLATE	# Add deflate (libz) compression to ppp device
    190 options 	PPP_FILTER	# Add active filters for ppp (via bpf)
    191 #options 	TCP_DEBUG	# Record last TCP_NDEBUG packets with SO_DEBUG
    192 
    193 
    194 #### Main bus and CPU .. all systems.
    195 mainbus0 at root
    196 cpu0	at mainbus0
    197 
    198 #### Bus types found on SPARC systems.
    199 
    200 sbus0	at mainbus0				# Ultra 1
    201 #upa0	at mainbus0				# Ultra 1E, Ultra 2, Ex0000
    202 psycho*	at mainbus0				# Darwin, Ultra5
    203 pci*	at psycho?
    204 pci*	at ppb?
    205 ppb*	at pci? dev ? function ?		# `APB' support.
    206 #pci*	at simba?
    207 #simba*	at pci? dev ? function ?		# `APB' support.
    208 ebus*	at pci?					# ebus devices
    209 # XXX 'puc's aren't really bridges, but there's no better place for them here
    210 puc*	at pci? dev ? function ?		# PCI "universal" comm. cards
    211 
    212 #### Standard system devices -- all required for a given architecture
    213 
    214 ## PROM console driver -- if all else fails
    215 pcons0	at mainbus0				# PROM console
    216 
    217 ## Auxiliary system registers -- We use the OBP for power management
    218 auxio*	at ebus?				# auxio registers
    219 auxio*	at sbus? slot ? offset ?		# auxio registers
    220 
    221 # We also need:
    222 bpp*	at sbus? slot ? offset ?		# parallel port
    223 lpt*	at ebus?				# parallel port
    224 
    225 ## Mostek clock found on 4/300, sun4c, sun4m and sun4u systems.
    226 ## The Mostek clock NVRAM is the "eeprom" on sun4/300 systems.
    227 clock*	at sbus? slot ? offset ?
    228 clock*	at ebus?
    229 
    230 ## Timer chip found on 4/300, sun4c, sun4m and (some) sun4u systems.
    231 timer*	at mainbus0				# sun4c
    232 
    233 #### Serial port configuration
    234 
    235 ## Zilog 8530 serial chips.  Each has two-channels.
    236 ## zs0 is ttya and ttyb.  zs1 is the keyboard and mouse.
    237 zs*	at sbus? slot ? offset ?
    238 zstty*	at zs? channel ?			# ttya
    239 kbd0	at zstty?
    240 ms0	at zstty?
    241 
    242 ## PCI machines have serial ports:
    243 ##	Siemens SAB82532 controller: ttya and ttyb (`su'; sab)
    244 ##	Part of NS PC87332VLJ Super I/O controller: kbd/mouse (`se'; com)
    245 
    246 ## The SAB82532 controller has two serial ports
    247 #sab*	at ebus?				# ttya/ttyb
    248 #sabtty*	at sab? channel ?
    249 
    250 ## Part of a PC87332VLJ
    251 com*	at ebus?				# `com' driver for `su'
    252 kbd0	at com?					# keyboard
    253 ms0	at com?					# mouse
    254 
    255 # PCI serial interfaces
    256 com*	at puc? port ?			# 16x50s on "universal" comm boards
    257 cy*	at pci? dev ? function ?	# Cyclades Cyclom-Y serial boards
    258 cz*	at pci? dev ? function ?	# Cyclades-Z multi-port serial boards
    259 
    260 #### Disk controllers and disks
    261 
    262 ## The following flags may be set for the NCR53c94 based esp driver:
    263 ##	bits 0-7:  disable disconnect/reselect for the corresponding target
    264 ##	bits 8-15: disable synchronous negotiation for target [bit-8]
    265 
    266 ## sun4u on-board SCSI, and FSBE/S SBus SCSI cards, an NCR53c94 or
    267 ## equivalent behind an LSI Logic DMA controller
    268 
    269 dma*	at sbus? slot ? offset ?		# SBus
    270 esp*	at dma? flags 0x0000			# SBus
    271 
    272 ## FAS supported by esp driver
    273 esp*	at sbus? slot ? offset ?
    274 
    275 scsibus* at esp?
    276 
    277 ## Qlogic ISP SBus or PCI SCSI Card
    278 isp*	at sbus? slot ? offset ?
    279 isp*	at pci?
    280 scsibus* at isp?
    281 
    282 ## GLM support
    283 siop*	at pci?					# 53C875 "glm" compatible
    284 scsibus* at siop?
    285 
    286 # PCI SCSI controllers
    287 # 	UT marks untested.
    288 adv*	at pci? dev ? function ?	# AdvanSys 1200[A,B], 9xx[U,UA] SCSI UT
    289 adw*	at pci? dev ? function ?	# AdvanSys 9x0UW[D], 3940U[2,3]W SCSI UT
    290 ahc*	at pci? dev ? function ?	# Adaptec [23]94x, aic78x0 SCSI UT
    291 bha*	at pci? dev ? function ?	# BusLogic 9xx SCSI UT
    292 dpt*	at pci? dev ? function ?	# DPT SmartCache/SmartRAID UT
    293 iha*	at pci? dev ? function ?	# Initio INIC-940/950 SCSI
    294 pcscp*	at pci? dev ? function ?	# AMD 53c974 PCscsi-PCI SCSI UT
    295 trm*	at pci? dev ? function ?	# Tekram DC-395U/UW/F, DC-315/U SCSI
    296 
    297 scsibus* at scsi?
    298 
    299 ## These entries find devices on all SCSI busses and assign
    300 ## unit numbers dynamically.
    301 sd*	at scsibus? target ? lun ?		# SCSI disks
    302 st*	at scsibus? target ? lun ?		# SCSI tapes
    303 cd*	at scsibus? target ? lun ?		# SCSI CD-ROMs
    304 ch*	at scsibus? target ? lun ?		# SCSI changer devices
    305 ss*	at scsibus? target ? lun ?		# SCSI scanners
    306 ses*	at scsibus? target ? lun ?		# SCSI SES/SAF-TE devices
    307 uk*	at scsibus? target ? lun ?		# unknown SCSI
    308 
    309 # PCI IDE.
    310 pciide* at pci ? dev ? function ? flags 0x0000
    311 atapibus* at pciide? channel ?
    312 
    313 ## Disable UDMA 4 which causes data corruption on the Acer Labs
    314 ## chipset on Sun Blade 100 and Netra X1 machines.
    315 wd*	at pciide? channel ? drive ? flags 0x0a00 # Disable UDMA 4
    316 
    317 
    318 cd*	at atapibus? drive ? flags 0x0000	# ATAPI CD-ROM drives
    319 sd*	at atapibus? drive ? flags 0x0000	# ATAPI disk drives
    320 uk*	at atapibus? drive ? flags 0x0000	# ATAPI unknown
    321 
    322 # RAID controllers and devices (untested)
    323 cac*	at pci? dev ? function ?	# Compaq PCI array controllers
    324 mlx*	at pci? dev ? function ?	# Mylex DAC960 & DEC SWXCR family
    325 twe*	at pci? dev ? function ?	# 3ware Escalade RAID controllers
    326 
    327 ld*	at cac? unit ?			# logical disk devices
    328 ld*	at twe? unit ?
    329 ld*	at mlx? unit ?
    330 
    331 ## Floppy controller and drive found on SPARCstations.
    332 
    333 # need share with the sparc, and everyone else.  needs to use auxio.
    334 # actually, the ebus version has (will have) direct access to it's AUXIO
    335 # register space (it is mapped in to fdthree not auxio).
    336 #fdc0	at sbus? slot ? offset ?		# SUNW,fdtwo
    337 #fdc0	at ebus?				# fdthree
    338 #fd*	at fdc0 	 			# the drive itself
    339 
    340 ## A disk-like interface to files.  Can be used to create floppy, CD,
    341 ## miniroot images, etc.
    342 
    343 pseudo-device	vnd	4
    344 
    345 ## Concatenated and striped disks; with this, you can create a software-based
    346 ## disk array similar to a "RAID 0" setup.  See ccd(4).
    347 
    348 pseudo-device	ccd	4
    349 
    350 ## RAIDframe disk driver: software RAID driver.  See raid(4).
    351 
    352 pseudo-device	raid	8
    353 options 	RAID_AUTOCONFIG		# auto-configuration of RAID components
    354 # Options to enable various other RAIDframe RAID types.
    355 # options	RF_INCLUDE_EVENODD=1
    356 # options	RF_INCLUDE_RAID5_RS=1
    357 # options	RF_INCLUDE_PARITYLOGGING=1
    358 # options	RF_INCLUDE_CHAINDECLUSTER=1
    359 # options	RF_INCLUDE_INTERDECLUSTER=1
    360 # options 	RF_INCLUDE_PARITY_DECLUSTERING=1
    361 # options	RF_INCLUDE_PARITY_DECLUSTERING_DS=1
    362 
    363 
    364 ## Memory disk device, used on boot floppies with compressed
    365 ## kernel-plus-root-disk images.
    366 
    367 pseudo-device	md	1
    368 
    369 
    370 #### Network interfaces
    371 
    372 ## LANCE Ethernet - an AMD 7990 LANCE behind specialized DMA glue
    373 ## Three flavors of additional SBus ethernets are available.  One attaches
    374 ## directly like the sun4c on-board, one uses the ledma device like the
    375 ## sun4m on-board, and one uses the lebuffer device.
    376 
    377 ledma0		at sbus? slot ? offset ?	# sun4m on-board
    378 le0		at ledma0			# sun4m on-board
    379 le*		at sbus? slot ? offset ?	# SBus
    380 ledma*		at sbus? slot ? offset ?	# SBus
    381 le*		at ledma?			# SBus
    382 lebuffer0	at sbus? slot ? offset ?	# SBus
    383 le0		at lebuffer?			# SBus
    384 lebuffer*	at sbus? slot ? offset ?	# SBus
    385 le*		at lebuffer?			# SBus
    386 
    387 ## Happy Meal Ethernet
    388 hme*		at sbus? slot ? offset ?
    389 hme*		at pci?	dev ? function ?	# network "hme" compatible
    390 
    391 ## qec/be, qec/hme
    392 qec*		at sbus? slot ? offset ?
    393 be*		at qec?
    394 qe*		at qec?
    395 
    396 # PCI network interfaces
    397 # 	UT marks untested.
    398 an*	at pci? dev ? function ?	# Aironet PC4500/PC4800 (802.11) UT
    399 en*	at pci? dev ? function ?	# ENI/Adaptec ATM UT
    400 # XXX causes ICE
    401 #ep*	at pci? dev ? function ?	# 3Com 3c59x
    402 ex*	at pci? dev ? function ?	# 3Com 90x[B] UT
    403 epic*	at pci? dev ? function ?	# SMC EPIC/100 Ethernet UT
    404 esh*	at pci? dev ? function ?	# Essential HIPPI card UT
    405 fpa*	at pci? dev ? function ?	# DEC DEFPA FDDI UT
    406 fxp*	at pci? dev ? function ?	# Intel EtherExpress PRO 10+/100B UT
    407 gem*	at pci? dev ? function ?	# Apple GMAC and Sun ERI gigabit enet
    408 le*	at pci? dev ? function ?	# PCnet-PCI Ethernet UT
    409 # XXX uses vtophys()
    410 #lmc*	at pci? dev ? function ?	# Lan Media Corp SSI/HSSI/DS3
    411 ne*	at pci? dev ? function ?	# NE2000-compatible Ethernet UT
    412 ntwoc*	at pci? dev ? function ?	# Riscom/N2 PCI Sync Serial UT
    413 rtk*	at pci? dev ? function ?	# Realtek 8129/8139 UT
    414 sip*	at pci? dev ? function ?	# SiS 900 Ethernet UT
    415 ti*	at pci? dev ? function ?	# Alteon ACEnic gigabit Ethernet UT
    416 tl*	at pci? dev ? function ?	# ThunderLAN-based Ethernet
    417 tlp*	at pci? dev ? function ?	# DECchip 21x4x and clones
    418 vr*	at pci? dev ? function ?	# VIA Rhine Fast Ethernet
    419 
    420 # MII/PHY support
    421 # XXX: only nsphy "tested"
    422 dmphy*	at mii? phy ?			# Davicom DM9101 PHYs
    423 exphy*	at mii? phy ?			# 3Com internal PHYs
    424 icsphy*	at mii? phy ?			# Integrated Circuit Systems ICS189x
    425 inphy*	at mii? phy ?			# Intel 82555 PHYs
    426 iophy*	at mii? phy ?			# Intel 82553 PHYs
    427 lxtphy*	at mii? phy ?			# Level One LXT-970 PHYs
    428 nsphy*	at mii? phy ?			# NS83840 PHYs
    429 nsphyter* at mii? phy ?			# NS83843 PHYs
    430 qsphy*	at mii? phy ?			# Quality Semiconductor QS6612 PHYs
    431 sqphy*	at mii? phy ?			# Seeq 80220/80221/80223 PHYs
    432 tlphy*	at mii? phy ?			# ThunderLAN PHYs
    433 tqphy*	at mii? phy ?			# TDK Semiconductor PHYs
    434 ukphy*	at mii? phy ?			# generic unknown PHYs
    435 
    436 # PCI USB controllers
    437 ohci*	at pci? dev ? function ?			# Open Host Controller
    438 
    439 usb*	at ohci?					# USB bus support
    440 uhub*	at usb?						# USB Hubs
    441 uhub*	at uhub? port ? configuration ? interface ?
    442 
    443 uhidev*	at uhub? port ? configuration ? interface ?	# USB HID
    444 uhid*	at uhidev? reportid ?				# USB Generic HID
    445 
    446 ulpt*	at uhub? port ? configuration ? interface ?	# USB Printer
    447 
    448 umodem*	at uhub? port ? configuration ?			# USB Modem
    449 ucom*	at umodem?
    450 
    451 umass*	at uhub? port ? configuration ? interface ?	# USB Mass Storage
    452 atapibus* at umass? channel ?
    453 scsibus* at umass? channel ?
    454 
    455 uaudio*	at uhub? port ? configuration ?			# USB audio
    456 
    457 # USB Ethernet adapters
    458 aue*	at uhub? port ?		# ADMtek AN986 Pegasus based adapters
    459 cue*	at uhub? port ?		# CATC USB-EL1201A based adapters
    460 kue*	at uhub? port ?		# Kawasaki LSI KL5KUSB101B based adapters
    461 
    462 uscanner* at uhub? port ?				# USB scanners
    463 uyap* at uhub? port ?					# Y@P firmware loader
    464 ugen*	at uhub? port ? configuration ? interface ?	# USB Generic driver
    465 
    466 # PCI IEEE1394 controllers
    467 fwohci*	at pci? dev ? function ?	# IEEE1394 Open Host Controller
    468 #fwlynx* at pci? dev ? function ?	# IEEE1394 TI Lynx Controller
    469 fw*	at fwbus?			# IP over 1394
    470 
    471 # IEEE1394 nodes
    472 #fwnode* at fwbus? oui ? devhi ? devlo ?
    473 #scsibus* at fwnode?
    474 
    475 ## Loopback network interface; required
    476 pseudo-device	loop
    477 
    478 ## SLIP and CSLIP interfaces, for IP over a serial line.
    479 pseudo-device	sl		2
    480 
    481 ## PPP, the successor to SLIP.  See pppd(8).
    482 pseudo-device	ppp		2
    483 
    484 ## PPP over Ethernet (RFC 2516)
    485 pseudo-device	pppoe
    486 
    487 ## Starmode Radio IP, a special hardware network device.
    488 pseudo-device	strip		1
    489 
    490 ## Network "tunnel" device, allowing protocol stacks to run in the userland.
    491 ## This is used by the third-party user-mode "ppp" program, and others.
    492 pseudo-device	tun		4
    493 
    494 ## Generic L3 over IP tunnel
    495 #pseudo-device	gre		2	# generic L3 over IP tunnel
    496 
    497 ## Berkeley Packet Filter, required to run RARPD.  A generic C-language
    498 ## interface that allows selective examining of incoming packets.
    499 pseudo-device	bpfilter	8
    500 
    501 ## Simple inter-network traffic bridging
    502 pseudo-device	bridge
    503 
    504 ## IP Filter, used in firewall and NAT applications.  See ipnat(8) for
    505 ## one example of the use of the IP Filter.
    506 pseudo-device	ipfilter
    507 
    508 ## for IPv6
    509 pseudo-device	gif		4	# IPv[46] over IPv[46] tunnel (RFC1933)
    510 #pseudo-device	faith		1	# IPv[46] tcp relay translation i/f
    511 #pseudo-device	stf		1	# 6to4 IPv6 over IPv4 encapsulation
    512 
    513 
    514 #### Audio and video devices
    515 
    516 ## /dev/audio support (`audiocs' plus `audio')
    517 ##
    518 audiocs*	at sbus? slot ? offset ?	# SUNW,CS4231
    519 autri*		at pci? dev ? function ?	# Blade 100 'sound'
    520 
    521 audio*		at audiocs?
    522 audio*		at autri?
    523 
    524 
    525 ## Sun "bwtwo" black and white framebuffer, found on sun4, sun4c, and sun4m
    526 ## systems.  If your sun4 system has a cgfour installed in the P4 slot,
    527 ## the P4 entries for "bwtwo" will attach to the overlay plane of the
    528 ## "cgfour".
    529 
    530 #bwtwo0		at sbus? slot ? offset ?	# sun4c and sun4m
    531 #bwtwo*		at sbus? slot ? offset ?
    532 
    533 ## Sun "cgthree" Sbus color framebuffer
    534 #cgthree0	at sbus? slot ? offset ?
    535 #cgthree*	at sbus? slot ? offset ?
    536 
    537 ## Sun "cgsix" accelerated color framebuffer.
    538 cgsix0		at sbus? slot ? offset ?
    539 cgsix*		at sbus? slot ? offset ?
    540 
    541 ## Sun FFB not supported
    542 #ffb*		at upa?
    543 
    544 #### Other device configuration
    545 
    546 ## Pseudo ttys, required for network logins and programs like screen.
    547 
    548 pseudo-device	pty			# pseudo-ttys (for network, etc.)
    549 
    550 ## Random device, used to implement /dev/random (a source of random noise),
    551 ## and generate randomness for some kernel formulae.
    552 
    553 pseudo-device	rnd
    554