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GENERIC revision 1.21
      1  1.21    itojun # 	$NetBSD: GENERIC,v 1.21 1999/11/21 14:00:44 itojun Exp $
      2   1.1       eeh 
      3   1.1       eeh include "arch/sparc64/conf/std.sparc64"
      4   1.1       eeh 
      5   1.1       eeh maxusers	32
      6   1.1       eeh 
      7   1.1       eeh ## System kernel configuration.  See options(4) for more detail.
      8   1.1       eeh 
      9   1.1       eeh 
     10   1.1       eeh # Options for variants of the Sun SPARC architecure.
     11   1.1       eeh # We currently support three architecture types; at least one is required.
     12   1.1       eeh options		SUN4U		# sun4u - Ultra 140 and 170
     13   1.1       eeh options		TRAPWIN
     14  1.10       eeh options		__ELF__		# we use elf 
     15  1.10       eeh #options		_LP64		# we're using a 64-bit compiler
     16   1.1       eeh 
     17   1.1       eeh ## System options specific to the sparc machine type
     18   1.1       eeh 
     19   1.1       eeh ## Use a faster console than the PROM's slow drawing routines.  Not needed
     20   1.1       eeh ## for headless (no framebuffer) machines.
     21   1.3       mrg # XXX broken on sparc64
     22  1.14        ad #options 	RASTERCONSOLE		# fast rasterop console
     23   1.1       eeh 
     24   1.1       eeh #### System options that are the same for all ports
     25   1.1       eeh 
     26   1.1       eeh ## Root device configuration: change the ?'s if you are going to use a
     27   1.1       eeh ## nonstandard root partition (other than where the kernel is booted from)
     28   1.1       eeh ## and/or nonstandard root type (not ffs or nfs).  Normally this can be
     29   1.1       eeh ## automagically determined at boot time.
     30   1.1       eeh 
     31   1.1       eeh config		netbsd	root on ? type ?
     32   1.1       eeh 
     33   1.4       mrg ## UVM options.
     34  1.10       eeh #options	UVM_PAGE_TRKOWN
     35   1.6       mrg #options 	UVMHIST
     36   1.4       mrg #options 	UVMHIST_PRINT	# Loud!
     37   1.1       eeh 
     38   1.1       eeh ## System call tracing (see ktrace(1)).
     39   1.1       eeh options 	KTRACE
     40   1.1       eeh 
     41   1.1       eeh ## Collect statistics on kernel malloc's and free's.  This does have a
     42   1.1       eeh ## significant performance hit on slower machines, so it is intended for
     43   1.1       eeh ## diagnostic use only.
     44   1.1       eeh #options 	KMEMSTATS
     45   1.1       eeh 
     46   1.1       eeh ## System V compatible IPC subsystem.  (msgctl(2), semctl(2), and shmctl(2))
     47   1.1       eeh options 	SYSVMSG		# System V message queues
     48   1.1       eeh options 	SYSVSEM		# System V semaphores
     49   1.1       eeh options 	SYSVSHM		# System V shared memory
     50   1.1       eeh #options 	SHMMAXPGS=1024	# 1024 pages is the default
     51   1.1       eeh 
     52   1.1       eeh ## Loadable kernel module support; still under development.
     53   1.1       eeh options 	LKM
     54   1.1       eeh 
     55   1.1       eeh ## NFS boot options; default on sparc is the bootparam protocol
     56   1.1       eeh options 	NFS_BOOT_BOOTPARAM
     57   1.1       eeh #options 	NFS_BOOT_BOOTP
     58   1.1       eeh #options 	NFS_BOOT_DHCP
     59   1.1       eeh 
     60   1.1       eeh #### Debugging options
     61   1.1       eeh 
     62   1.1       eeh ## The DDB in-kernel debugger runs at panic (unless DDB_ONPANIC=0), or at
     63   1.1       eeh ## serial console break or keyboard reset, where the PROM would normally
     64   1.1       eeh ## intercept.  DDB_HISTORY_SIZE adds up/down arrow command history.
     65   1.9       mrg # we enable DDB in GENERIC for now.
     66   1.9       mrg options 	DDB			# kernel dynamic debugger
     67  1.16       eeh options 	DDB_HISTORY_SIZE=100	# enable history editing in DDB
     68   1.1       eeh #options 	DDB_ONPANIC		# see also sysctl(8): `ddb.onpanic'
     69   1.1       eeh 
     70   1.1       eeh ## You may also use gdb, on another computer connected to this machine over
     71   1.1       eeh ## a serial port.  Both KGDBDEV and KGDBRATE should be specified; KGDBDEV is
     72   1.1       eeh ## a dev_t encoded device number of the serial port to use.
     73   1.1       eeh ## (0xc01 = ttya, 0xc02 = ttyb.)
     74   1.1       eeh #options 	KGDB		# support for kernel gdb
     75   1.1       eeh #options 	KGDBDEV=0xc01	# kgdb device number (this sample is `ttyb')
     76   1.1       eeh #options 	KGDBRATE=38400	# baud rate
     77   1.1       eeh 
     78   1.1       eeh 
     79   1.1       eeh ## Compile the kernel with debugging symbols (`netbsd.gdb' is the debug file),
     80   1.1       eeh ## such that gdb(1) can be used on a kernel coredump.
     81   1.1       eeh 
     82   1.1       eeh #makeoptions 	DEBUG="-g"
     83   1.1       eeh 
     84   1.1       eeh 
     85   1.1       eeh ## Adds code to the kernel that does internal consistency checks, and will
     86   1.1       eeh ## cause the kernel to panic if corruption of internal data structures
     87   1.1       eeh ## is detected.
     88   1.1       eeh #options 	DIAGNOSTIC	# extra kernel sanity checking
     89   1.1       eeh 
     90   1.1       eeh ## Enable (possibly expensive) debugging code that may also display messages
     91   1.1       eeh ## on the system console
     92   1.1       eeh #options 	DEBUG
     93   1.1       eeh 
     94   1.1       eeh ## Make SCSI error messages more verbose when explaining their meanings.
     95   1.1       eeh options 	SCSIVERBOSE
     96  1.16       eeh options 	PCIVERBOSE
     97   1.1       eeh 
     98   1.1       eeh ## `INSECURE' turns off the kernel security level (securelevel = 0 always).
     99   1.1       eeh ## This allows writing to /dev/mem, loading kernel modules while multi-user,
    100   1.1       eeh ## and other insecurities good only for development work.  Do not use this
    101   1.1       eeh ## option on a production machine.
    102   1.1       eeh #options 	INSECURE
    103   1.1       eeh 
    104   1.1       eeh ## Allow non-root users to grab /dev/console with programs such as xconsole.
    105   1.1       eeh ## `xconsole' therefore does not need setuid root with this option enabled.
    106   1.1       eeh #options 	UCONSOLE
    107   1.1       eeh 
    108   1.1       eeh ## `FDSCRIPTS' allows non-readable but executable scripts by providing a
    109   1.1       eeh ## pre-opened opaque file to the script interpreter.  `SETUIDSCRIPTS',
    110   1.1       eeh ## which implies FDSCRIPTS, allows scripts to be set-user-id using the same
    111   1.1       eeh ## opaque file mechanism.  Perl calls this "secure setuid scripts."
    112   1.1       eeh 
    113   1.1       eeh #options 	FDSCRIPTS
    114   1.1       eeh #options 	SETUIDSCRIPTS
    115   1.1       eeh 
    116   1.1       eeh ## Options for compatibility with previous releases foreign system binaries.
    117   1.1       eeh ## In the cases of COMPAT_SUNOS and COMPAT_SVR4, you may need to set up
    118   1.1       eeh ## additional user-level utilities or system configuration files. See
    119   1.1       eeh ## compat_sunos(8) and compat_svr4(8).
    120   1.1       eeh 
    121   1.1       eeh options 	COMPAT_43	# 4.3BSD system interfaces
    122   1.1       eeh options 	COMPAT_10	# NetBSD 1.0 binary compatibility
    123   1.1       eeh options 	COMPAT_11	# NetBSD 1.1 binary compatibility
    124   1.1       eeh options 	COMPAT_12	# NetBSD 1.2 binary compatibility
    125   1.1       eeh options 	COMPAT_13	# NetBSD 1.3 binary compatibility
    126  1.18  augustss options 	COMPAT_14	# NetBSD 1.4 binary compatibility
    127  1.12       eeh #options 	COMPAT_NETBSD32	# NetBSD/sparc binary compatibility -- 64-bit only
    128   1.1       eeh options 	COMPAT_SUNOS	# SunOS 4.x binary compatibility
    129   1.1       eeh options 	COMPAT_SVR4	# SunOS 5.x binary compatibility
    130   1.1       eeh options 	EXEC_ELF32	# Exec module for SunOS 5.x binaries.
    131  1.11       eeh #options		EXEC_ELF64	# Exec module for sparc64 & SunOs 5.x binaries. -- 64-bit only
    132  1.10       eeh #options		SYSCALL_DEBUG
    133  1.17       eeh options		COMPAT_AOUT	# NetBSD/sparc compat support
    134  1.13       eeh options 	EXEC_AOUT	# execve(2) support for a.out binaries
    135   1.1       eeh 
    136   1.1       eeh ## File systems.  You probably need at least one of FFS or NFS.
    137   1.1       eeh file-system	FFS		# Berkeley Fast Filesystem
    138   1.1       eeh file-system	NFS		# Sun NFS-compatible filesystem client
    139   1.1       eeh file-system	KERNFS		# kernel data-structure filesystem
    140   1.1       eeh file-system	NULLFS		# NULL layered filesystem
    141   1.1       eeh file-system	MFS		# memory-based filesystem
    142   1.1       eeh file-system	FDESC		# user file descriptor filesystem
    143   1.1       eeh file-system	UMAPFS		# uid/gid remapping filesystem
    144   1.1       eeh file-system	LFS		# Log-based filesystem (still experimental)
    145   1.1       eeh file-system	PORTAL		# portal filesystem (still experimental)
    146   1.1       eeh file-system	PROCFS		# /proc
    147   1.1       eeh file-system	CD9660		# ISO 9660 + Rock Ridge file system
    148   1.1       eeh file-system	UNION		# union file system
    149   1.1       eeh file-system	MSDOSFS		# MS-DOS FAT filesystem(s).
    150   1.1       eeh 
    151   1.1       eeh ## File system options.
    152   1.1       eeh options 	NFSSERVER	# Sun NFS-compatible filesystem server
    153   1.1       eeh options 	QUOTA		# FFS quotas
    154   1.1       eeh #options 	FFS_EI		# FFS Endian Independent support
    155  1.20      fvdl #options 	SOFTDEP         # FFS soft updates support.
    156   1.1       eeh 
    157  1.21    itojun # Pull in config fragments for kernel crypto.  This is required for
    158  1.21    itojun # options IPSEC etc. to work. If you want to run with IPSEC, uncomment
    159  1.21    itojun # one of these, based on whether you use crypto-us or crypto-intl, and
    160  1.21    itojun # adjust the prefixes as necessary.
    161  1.21    itojun 
    162  1.21    itojun #prefix ../crypto-us/sys
    163  1.21    itojun #cinclude "conf/files.crypto-us"
    164  1.21    itojun #prefix
    165  1.21    itojun 
    166  1.21    itojun #prefix ../crypto-intl/sys
    167  1.21    itojun #cinclude "conf/files.crypto-intl"
    168  1.21    itojun #prefix
    169  1.21    itojun 
    170   1.1       eeh ## Network protocol support.  In most environments, INET is required.
    171   1.1       eeh options 	INET		# IP (Internet Protocol) v4
    172  1.21    itojun options 	INET6		# IPV6
    173  1.21    itojun #options 	IPSEC		# IP security
    174  1.21    itojun #options 	IPSEC_ESP	# IP security (encryption part; define w/IPSEC)
    175  1.21    itojun #options 	IPSEC_DEBUG	# debug for IP security
    176   1.1       eeh options 	TCP_COMPAT_42	# 4.2BSD IP implementation compatibility
    177   1.1       eeh #options 	GATEWAY		# packet forwarding ("router switch")
    178   1.9       mrg options 	MROUTING	# packet forwarding of multicast packets
    179   1.1       eeh #options 	DIRECTED_BROADCAST	# allow broadcasts through routers
    180   1.1       eeh options 	NS		# Xerox NS networking
    181   1.1       eeh #options 	NSIP		# Xerox NS tunneling over IP
    182   1.1       eeh options 	ISO,TPIP	# OSI networking
    183   1.1       eeh options 	EON		# OSI tunneling over IP
    184   1.1       eeh #options 	CCITT,LLC,HDLC	# X.25 packet switched protocol
    185   1.1       eeh options 	NETATALK	# AppleTalk (over Ethernet) protocol
    186   1.9       mrg options 	NTP		# Network Time Protocol in-kernel support
    187   1.1       eeh #options 	PPS_SYNC	# Add serial line synchronization for NTP
    188   1.9       mrg options 	PFIL_HOOKS	# Add pfil(9) hooks, intended for custom LKMs.
    189   1.9       mrg options 	IPFILTER_LOG	# Add ipmon(8) logging for ipfilter device
    190   1.9       mrg options 	PPP_BSDCOMP	# Add BSD compression to ppp device
    191   1.9       mrg options 	PPP_DEFLATE	# Add deflate (libz) compression to ppp device
    192   1.9       mrg options 	PPP_FILTER	# Add active filters for ppp (via bpf)
    193   1.1       eeh 
    194   1.1       eeh 
    195   1.1       eeh #### Main bus and CPU .. all systems.
    196   1.1       eeh mainbus0 at root
    197   1.1       eeh cpu0	at mainbus0
    198   1.1       eeh 
    199   1.1       eeh #### Bus types found on SPARC systems.
    200   1.1       eeh 
    201  1.10       eeh sbus0	at mainbus0				# Ultra 1
    202   1.1       eeh #upa0	at mainbus0				# Ultra 1E, Ultra 2, Ex0000
    203  1.16       eeh psycho*	at mainbus0				# Darwin, Ultra5
    204  1.16       eeh pci*	at psycho?
    205  1.16       eeh pci*	at simba?
    206  1.16       eeh simba*	at pci? dev ? function ?		# `APB' support.
    207  1.16       eeh ebus*	at pci?					# ebus devices
    208   1.1       eeh 
    209   1.1       eeh #### Standard system devices -- all required for a given architecture
    210   1.1       eeh 
    211  1.10       eeh ## Auxiliary system registers -- We use the OBP for power management
    212   1.3       mrg #auxreg0 at sbus0
    213  1.10       eeh #auxreg0 at pci0
    214   1.1       eeh 
    215   1.1       eeh # We also need:
    216   1.1       eeh # bpp0 at sbus0					# parallel port
    217  1.10       eeh # ecpp0 at pci0					# parallel port ?
    218  1.16       eeh lpt*	at ebus?				# parallel port
    219   1.1       eeh 
    220   1.9       mrg ## Mostek clock found on 4/300, sun4c, sun4m and sun4u systems.
    221   1.1       eeh ## The Mostek clock NVRAM is the "eeprom" on sun4/300 systems.
    222   1.3       mrg clock0	at sbus0 slot ? offset ?
    223  1.16       eeh clock0	at ebus?
    224   1.1       eeh 
    225   1.9       mrg ## Timer chip found on 4/300, sun4c, sun4m and sun4u systems.
    226   1.1       eeh timer0	at mainbus0				# sun4c
    227   1.1       eeh 
    228   1.1       eeh #### Serial port configuration
    229   1.1       eeh 
    230   1.1       eeh ## Zilog 8530 serial chips.  Each has two-channels.
    231   1.1       eeh ## zs0 is ttya and ttyb.  zs1 is the keyboard and mouse.
    232   1.3       mrg zs0	at sbus0 slot ? offset ?
    233   1.1       eeh zstty0	at zs0 channel 0	# ttya
    234   1.1       eeh zstty1	at zs0 channel 1	# ttyb
    235   1.1       eeh 
    236   1.3       mrg zs1	at sbus0 slot ? offset ?
    237   1.1       eeh kbd0	at zs1 channel 0	# keyboard
    238   1.1       eeh ms0	at zs1 channel 1	# mouse
    239   1.1       eeh 
    240  1.10       eeh ## PCI machines apparently have serial ports
    241  1.16       eeh ##	Siemens SAB82532 controller: ttya and ttyb (sab)
    242  1.16       eeh ##	Part of NS PC87332VLJ Super I/O controller: kbd/mouse (com)
    243  1.16       eeh 
    244  1.16       eeh ## These are two SAB82532 controllers
    245  1.16       eeh #sab0	at ebus?			# ttya/ttyb
    246  1.16       eeh #sabtty0	at sab0 channel 0	# ttya
    247  1.16       eeh #sabtty1	at sab0 channel 1	# ttyb
    248  1.10       eeh 
    249  1.10       eeh ## Part of a PC87332VLJ?
    250  1.16       eeh #ucom0	at ebus? addr 0x3083f8		# `com' driver
    251  1.16       eeh #ucom1	at ebus? addr 0x3062f8		# 
    252  1.16       eeh #ucom0	at ebus?			# `com' driver
    253  1.16       eeh #ucom1	at ebus?			# 
    254  1.16       eeh #kbd0	at ucom0 channel 0		# keyboard
    255  1.16       eeh #ms0	at ucom1 channel 1		# mouse
    256  1.10       eeh 
    257   1.1       eeh #### Disk controllers and disks
    258   1.1       eeh 
    259   1.1       eeh ## The following flags may be set for the NCR53c94 based esp driver:
    260   1.1       eeh ##	bits 0-7:  disable disconnect/reselect for the corresponding target
    261   1.1       eeh ##	bits 8-15: disable synchronous negotiation for target [bit-8]
    262   1.1       eeh 
    263   1.9       mrg ## sun4/300, sun4c, sun4m and sun4u on-board SCSI, and FSBE/S SBus SCSI cards.
    264   1.1       eeh ## Both `dma' and `esp' are needed in all cases.
    265   1.1       eeh ## Two kinds of additional SBus SCSI interfaces are available.  One uses
    266   1.1       eeh ## "esp at sbus" like the sun4c on-board; the other uses "esp at dma".
    267   1.1       eeh 
    268   1.1       eeh ## sun4/300 SCSI - an NCR53c94 or equivalent behind
    269   1.1       eeh ## an LSI Logic DMA controller
    270   1.1       eeh 
    271   1.9       mrg dma0	at sbus0 slot ? offset ?			# sun4c/sun4m/sun4u
    272   1.9       mrg esp0	at dma0 flags 0x0000				# sun4m/sun4u
    273  1.10       eeh scsibus* at esp?
    274   1.1       eeh 
    275   1.1       eeh # FSBE/S SCSI
    276   1.1       eeh dma*	at sbus? slot ? offset ?			# SBus
    277   1.1       eeh esp*	at dma? flags 0x0000				# SBus
    278   1.1       eeh 
    279   1.1       eeh scsibus* at esp?
    280   1.1       eeh 
    281   1.1       eeh ## Qlogic ISP SBus SCSI Card
    282   1.5       mrg isp*	at sbus? slot ? offset ?
    283   1.5       mrg scsibus* at isp?
    284   1.1       eeh 
    285   1.9       mrg ## FAS support missing
    286   1.9       mrg #fas*	at sbus? slot ? offset ?
    287   1.9       mrg #scsibus* at fas?
    288   1.9       mrg 
    289  1.10       eeh ## GLM support is missing
    290  1.10       eeh #scsi*	at pci?						# 53C875 "glm" compatible
    291  1.10       eeh 
    292   1.1       eeh ## These entries find devices on all SCSI busses and assign
    293   1.1       eeh ## unit numbers dynamically.
    294   1.1       eeh sd*	at scsibus? target ? lun ?		# SCSI disks
    295   1.1       eeh st*	at scsibus? target ? lun ?		# SCSI tapes
    296   1.1       eeh cd*	at scsibus? target ? lun ?		# SCSI CD-ROMs
    297   1.1       eeh ch*	at scsibus? target ? lun ?		# SCSI changer devices
    298   1.1       eeh ss*	at scsibus? target ? lun ?		# SCSI scanners
    299   1.1       eeh uk*	at scsibus? target ? lun ?		# unknown SCSI
    300  1.16       eeh 
    301  1.16       eeh # PCI IDE.
    302  1.16       eeh pciide* at pci ? dev ? function ? flags 0x0000
    303  1.16       eeh wd*     at pciide? channel ? drive ? flags 0x0000
    304  1.16       eeh atapibus* at pciide? channel ?
    305  1.16       eeh 
    306  1.16       eeh cd*	at atapibus? drive ? flags 0x0000	# ATAPI CD-ROM drives
    307  1.16       eeh sd*	at atapibus? drive ? flags 0x0000	# ATAPI disk drives
    308  1.16       eeh uk*	at atapibus? drive ? flags 0x0000	# ATAPI unknown
    309   1.1       eeh 
    310   1.1       eeh ## Floppy controller and drive found on SPARCstations.
    311   1.1       eeh 
    312   1.9       mrg # need share with the sparc...uses auxreg.  what is this on sparc64?
    313   1.3       mrg #fdc0	at sbus0 slot ? offset ?
    314  1.10       eeh #fdc0	at pci?					# Called fdthree?
    315   1.9       mrg #fd*	at fdc0 	 			# the drive itself
    316   1.1       eeh 
    317   1.1       eeh ## A disk-like interface to files.  Can be used to create floppy, CD,
    318   1.1       eeh ## miniroot images, etc.
    319   1.1       eeh 
    320   1.1       eeh pseudo-device	vnd	4
    321   1.1       eeh 
    322   1.1       eeh ## Concatenated and striped disks; with this, you can create a software-based
    323   1.1       eeh ## disk array similar to a "RAID 0" setup.  See ccd(4).
    324   1.1       eeh 
    325   1.1       eeh pseudo-device	ccd	4
    326   1.7     oster 
    327   1.7     oster ## RAIDframe disk driver: software RAID driver.  See raid(4).
    328   1.7     oster 
    329   1.9       mrg pseudo-device	raid	4
    330   1.1       eeh 
    331   1.1       eeh ## Memory disk device, used on boot floppies with compressed
    332   1.1       eeh ## kernel-plus-root-disk images.
    333   1.1       eeh 
    334   1.9       mrg pseudo-device	md	1
    335   1.1       eeh 
    336   1.1       eeh 
    337   1.1       eeh #### Network interfaces
    338   1.1       eeh 
    339   1.1       eeh ## LANCE Ethernet - an AMD 7990 LANCE behind specialized DMA glue
    340   1.1       eeh ## Three flavors of additional SBus ethernets are available.  One attaches
    341   1.1       eeh ## directly like the sun4c on-board, one uses the ledma device like the
    342   1.1       eeh ## sun4m on-board, and one uses the lebuffer device.
    343   1.1       eeh 
    344   1.1       eeh ledma0		at sbus0 slot ? offset ?		# sun4m on-board
    345   1.1       eeh le0		at ledma0				# sun4m on-board
    346   1.1       eeh le*		at sbus? slot ? offset ?		# SBus
    347   1.1       eeh ledma*		at sbus? slot ? offset ?		# SBus
    348   1.1       eeh le*		at ledma?				# SBus
    349   1.1       eeh lebuffer0	at sbus? slot ? offset ?		# SBus
    350   1.1       eeh le0		at lebuffer?				# SBus
    351   1.1       eeh lebuffer*	at sbus? slot ? offset ?		# SBus
    352   1.1       eeh le*		at lebuffer?				# SBus
    353   1.1       eeh 
    354  1.10       eeh ## HME not supported yet
    355  1.10       eeh #hme*		at sbus0 slot ? offset ?
    356  1.10       eeh #network*	at pci?					# "hme" compatible
    357  1.10       eeh 
    358   1.9       mrg ## qec/be, qec/hme
    359   1.9       mrg qec*		at sbus? slot ? offset ?
    360   1.9       mrg be*		at qec?
    361   1.9       mrg qe*		at qec?
    362   1.1       eeh 
    363   1.1       eeh ## Loopback network interface; required
    364   1.1       eeh pseudo-device	loop
    365   1.1       eeh 
    366   1.1       eeh ## SLIP and CSLIP interfaces, for IP over a serial line.
    367   1.1       eeh pseudo-device	sl		2
    368   1.1       eeh 
    369   1.1       eeh ## PPP, the successor to SLIP.  See pppd(8).
    370   1.1       eeh pseudo-device	ppp		2
    371   1.1       eeh 
    372   1.1       eeh ## Starmode Radio IP, a special hardware network device.
    373   1.9       mrg pseudo-device	strip		1
    374   1.1       eeh 
    375   1.1       eeh ## Network "tunnel" device, allowing protocol stacks to run in the userland.
    376   1.1       eeh ## This is used by the third-party user-mode "ppp" program, and others.
    377   1.1       eeh pseudo-device	tun		4
    378   1.8       hwr 
    379   1.8       hwr ## Generic L3 over IP tunnel
    380   1.8       hwr #pseudo-device	gre		2	# generic L3 over IP tunnel
    381   1.1       eeh 
    382   1.1       eeh ## Berkeley Packet Filter, required to run RARPD.  A generic C-language
    383   1.1       eeh ## interface that allows selective examining of incoming packets.
    384   1.1       eeh pseudo-device	bpfilter	8
    385   1.1       eeh 
    386   1.1       eeh ## IP Filter, used in firewall and NAT applications.  See ipnat(8) for
    387   1.1       eeh ## one example of the use of the IP Filter.
    388   1.1       eeh pseudo-device	ipfilter
    389  1.21    itojun 
    390  1.21    itojun ## for IPv6
    391  1.21    itojun pseudo-device	gif		4	# IPv[46] over IPv[46] tunnel (RFC1933)
    392  1.21    itojun #pseudo-device	faith		1	# IPv[46] tcp relay translation i/f
    393   1.1       eeh 
    394   1.1       eeh 
    395   1.1       eeh #### Audio and video devices
    396   1.1       eeh 
    397   1.9       mrg ## /dev/audio support (`audiocs' plus `audio')
    398   1.1       eeh ##
    399   1.9       mrg audiocs0	at sbus0 slot ? offset ?		# SUNW,CS4231
    400   1.9       mrg audio*		at audiocs0
    401   1.1       eeh 
    402   1.1       eeh 
    403   1.1       eeh ## Sun "bwtwo" black and white framebuffer, found on sun4, sun4c, and sun4m
    404   1.1       eeh ## systems.  If your sun4 system has a cgfour installed in the P4 slot,
    405   1.1       eeh ## the P4 entries for "bwtwo" will attach to the overlay plane of the
    406   1.1       eeh ## "cgfour".
    407   1.1       eeh 
    408   1.3       mrg #bwtwo0		at sbus0 slot ? offset ?		# sun4c and sun4m
    409   1.3       mrg #bwtwo*		at sbus? slot ? offset ?		#
    410   1.1       eeh 
    411   1.1       eeh ## Sun "cgthree" Sbus color framebuffer
    412   1.3       mrg #cgthree0	at sbus? slot ? offset ?
    413   1.3       mrg #cgthree*	at sbus? slot ? offset ?
    414   1.1       eeh 
    415   1.1       eeh ## Sun "cgsix" accelerated color framebuffer.
    416   1.1       eeh cgsix0		at sbus? slot ? offset ?
    417   1.1       eeh cgsix*		at sbus? slot ? offset ?
    418   1.1       eeh 
    419   1.1       eeh ## Sun "tcx" accelerated color framebuffer.
    420   1.3       mrg #tcx0		at sbus? slot ? offset ?
    421   1.3       mrg #tcx*		at sbus? slot ? offset ?
    422   1.1       eeh 
    423   1.1       eeh # Sun "cgfourteen" accelerated 24-bit framebuffer.
    424   1.3       mrg #cgfourteen0	at obio0			# sun4m
    425   1.1       eeh 
    426  1.10       eeh ## Sun FFB not supported
    427  1.10       eeh #ffb*		at upa?
    428   1.1       eeh 
    429   1.1       eeh #### Other device configuration
    430   1.1       eeh 
    431   1.1       eeh ## Pseudo ttys, required for network logins and programs like screen.
    432   1.1       eeh ## 32 is a good number for average systems; you may have as many as you
    433   1.1       eeh ## like, though 256 is more or less the upper limit.  Increasing this
    434   1.1       eeh ## number still requires you to run /dev/MAKEDEV to create the files
    435   1.1       eeh ## for the ptys.
    436   1.1       eeh 
    437   1.9       mrg pseudo-device	pty		64	# pseudo-ttys (for network, etc.)
    438   1.1       eeh 
    439   1.1       eeh ## Random device, used to implement /dev/random (a source of random noise),
    440   1.1       eeh ## and generate randomness for some kernel formulae.
    441   1.1       eeh ## THIS DEVICE IS EXPERIMENTAL; use at your own risk.
    442   1.1       eeh 
    443   1.9       mrg pseudo-device	rnd
    444