GENERIC32 revision 1.79.2.3.2.2.2.1       1  1.79.2.3.2.2.2.1    bouyer # 	$NetBSD: GENERIC32,v 1.79.2.3.2.2.2.1 2007/08/11 14:40:12 bouyer Exp $
      2               1.1       eeh 
      3               1.1       eeh include "arch/sparc64/conf/std.sparc64"
      4               1.1       eeh 
      5              1.36    atatat options 	INCLUDE_CONFIG_FILE	# embed config file in kernel binary
      6              1.36    atatat 
      7  1.79.2.3.2.2.2.1    bouyer #ident 		"GENERIC-$Revision: 1.79.2.3.2.2.2.1 $"
      8               1.1       eeh 
      9               1.8       eeh maxusers	64
     10               1.1       eeh 
     11               1.1       eeh ## System kernel configuration.  See options(4) for more detail.
     12               1.1       eeh 
     13               1.1       eeh 
     14               1.1       eeh # Options for variants of the Sun SPARC architecure.
     15               1.1       eeh # We currently support three architecture types; at least one is required.
     16              1.14       mrg options 	SUN4U		# sun4u - UltraSPARC
     17              1.26       mrg #options 	BLINK		# blink the system LED
     18               1.1       eeh 
     19               1.1       eeh ## System options specific to the sparc machine type
     20               1.1       eeh 
     21               1.1       eeh ## Use a faster console than the PROM's slow drawing routines.  Not needed
     22               1.1       eeh ## for headless (no framebuffer) machines.
     23               1.8       eeh # XXX borken on sparc64
     24               1.1       eeh #options 	RASTERCONSOLE		# fast rasterop console
     25               1.1       eeh #options 	FONT_GALLANT12x22	# the console font
     26               1.1       eeh #options 	FONT_BOLD8x16		# a somewhat smaller font
     27               1.1       eeh 
     28               1.1       eeh #### System options that are the same for all ports
     29               1.1       eeh 
     30               1.1       eeh ## Root device configuration: change the ?'s if you are going to use a
     31               1.1       eeh ## nonstandard root partition (other than where the kernel is booted from)
     32               1.1       eeh ## and/or nonstandard root type (not ffs or nfs).  Normally this can be
     33               1.1       eeh ## automagically determined at boot time.
     34               1.1       eeh 
     35               1.1       eeh config		netbsd	root on ? type ?
     36               1.1       eeh 
     37               1.1       eeh ## UVM options.
     38               1.1       eeh #options 	UVM_PAGE_TRKOWN
     39               1.1       eeh #options 	UVMHIST
     40               1.1       eeh #options 	UVMHIST_PRINT	# Loud!
     41               1.1       eeh 
     42               1.1       eeh ## System call tracing (see ktrace(1)).
     43               1.1       eeh options 	KTRACE
     44              1.50    provos options 	SYSTRACE		# system call vetting via systrace(1)
     45               1.1       eeh 
     46               1.1       eeh ## Collect statistics on kernel malloc's and free's.  This does have a
     47               1.1       eeh ## significant performance hit on slower machines, so it is intended for
     48               1.1       eeh ## diagnostic use only.
     49               1.1       eeh #options 	KMEMSTATS
     50               1.1       eeh 
     51               1.1       eeh ## System V compatible IPC subsystem.  (msgctl(2), semctl(2), and shmctl(2))
     52               1.1       eeh options 	SYSVMSG		# System V message queues
     53               1.1       eeh options 	SYSVSEM		# System V semaphores
     54               1.1       eeh options 	SYSVSHM		# System V shared memory
     55               1.1       eeh #options 	SHMMAXPGS=1024	# 1024 pages is the default
     56              1.74  christos options 	P1003_1B_SEMAPHORE	# p1003.1b semaphore support 
     57              1.74  christos 
     58               1.1       eeh 
     59               1.1       eeh ## Loadable kernel module support; still under development.
     60               1.1       eeh options 	LKM
     61              1.30  jdolecek 
     62              1.45     lukem options 	USERCONF	# userconf(4) support
     63              1.69  nakayama #options 	PIPE_SOCKETPAIR	# smaller, but slower pipe(2)
     64          1.79.2.2        he options 	SYSCTL_INCLUDE_DESCR	# Include sysctl descriptions in kernel
     65              1.54  junyoung 
     66              1.55       wiz # Enable experimental buffer queue strategy for better responsiveness under 
     67              1.54  junyoung # high disk I/O load. Use it with caution - it's not proven to be stable yet.
     68              1.54  junyoung #options 	NEW_BUFQ_STRATEGY
     69               1.1       eeh 
     70              1.48       chs ## NFS boot options; tries DHCP/BOOTP then BOOTPARAM
     71               1.1       eeh options 	NFS_BOOT_BOOTPARAM
     72               1.1       eeh #options 	NFS_BOOT_BOOTP
     73              1.48       chs options 	NFS_BOOT_DHCP
     74               1.1       eeh 
     75               1.1       eeh #### Debugging options
     76               1.1       eeh 
     77               1.1       eeh ## The DDB in-kernel debugger runs at panic (unless DDB_ONPANIC=0), or at
     78               1.1       eeh ## serial console break or keyboard reset, where the PROM would normally
     79               1.1       eeh ## intercept.  DDB_HISTORY_SIZE adds up/down arrow command history.
     80               1.1       eeh # we enable DDB in GENERIC for now.
     81               1.1       eeh options 	DDB			# kernel dynamic debugger
     82               1.1       eeh options 	DDB_HISTORY_SIZE=100	# enable history editing in DDB
     83               1.1       eeh #options 	DDB_ONPANIC		# see also sysctl(8): `ddb.onpanic'
     84               1.1       eeh 
     85               1.1       eeh ## You may also use gdb, on another computer connected to this machine over
     86              1.67    martin ## a serial port.
     87              1.67    martin # ttyb on an Ultra5 is aliased to: "/pci@1f,0/pci@1,1/ebus@1/se:b", which is
     88              1.67    martin # "/pci@1f,0/pci@1,1/ebus@1/se@14,400000", port b.
     89              1.68    martin # options 	KGDB			# support for kernel gdb
     90              1.69  nakayama # options 	KGDB_DEVNAME="\"sab\""	# driver name for the kgdb serial chip
     91              1.69  nakayama # options 	KGDB_DEVADDR=0x400000	# physical address of the chip
     92              1.69  nakayama # options 	KGDB_DEVPORT=1		# port b
     93              1.69  nakayama # options 	KGDB_DEVRATE=38400	# baud rate
     94               1.1       eeh 
     95               1.1       eeh 
     96               1.1       eeh ## Compile the kernel with debugging symbols (`netbsd.gdb' is the debug file),
     97               1.1       eeh ## such that gdb(1) can be used on a kernel coredump.
     98               1.1       eeh 
     99              1.25     lukem #makeoptions	DEBUG="-g"
    100               1.1       eeh 
    101               1.1       eeh 
    102               1.1       eeh ## Adds code to the kernel that does internal consistency checks, and will
    103               1.1       eeh ## cause the kernel to panic if corruption of internal data structures
    104               1.1       eeh ## is detected.
    105               1.1       eeh #options 	DIAGNOSTIC	# extra kernel sanity checking
    106               1.1       eeh 
    107               1.1       eeh ## Enable (possibly expensive) debugging code that may also display messages
    108               1.1       eeh ## on the system console
    109               1.6       eeh #options 	DEBUG
    110               1.1       eeh 
    111               1.1       eeh ## Make SCSI error messages more verbose when explaining their meanings.
    112               1.1       eeh options 	SCSIVERBOSE
    113               1.1       eeh options 	PCIVERBOSE
    114               1.1       eeh options 	MIIVERBOSE	# verbose PHY autoconfig messages
    115               1.1       eeh #options 	PCI_CONFIG_DUMP	# verbosely dump PCI config space
    116               1.1       eeh 
    117               1.1       eeh ## `INSECURE' turns off the kernel security level (securelevel = 0 always).
    118               1.1       eeh ## This allows writing to /dev/mem, loading kernel modules while multi-user,
    119               1.1       eeh ## and other insecurities good only for development work.  Do not use this
    120               1.1       eeh ## option on a production machine.
    121               1.1       eeh #options 	INSECURE
    122               1.1       eeh 
    123               1.1       eeh ## `FDSCRIPTS' allows non-readable but executable scripts by providing a
    124               1.1       eeh ## pre-opened opaque file to the script interpreter.  `SETUIDSCRIPTS',
    125               1.1       eeh ## which implies FDSCRIPTS, allows scripts to be set-user-id using the same
    126               1.1       eeh ## opaque file mechanism.  Perl calls this "secure setuid scripts."
    127               1.1       eeh 
    128               1.1       eeh #options 	FDSCRIPTS
    129               1.1       eeh #options 	SETUIDSCRIPTS
    130               1.1       eeh 
    131               1.1       eeh ## Options for compatibility with previous releases foreign system binaries.
    132               1.1       eeh ## In the cases of COMPAT_SUNOS and COMPAT_SVR4, you may need to set up
    133               1.1       eeh ## additional user-level utilities or system configuration files. See
    134               1.1       eeh ## compat_sunos(8) and compat_svr4(8).
    135               1.1       eeh 
    136               1.1       eeh options 	COMPAT_43	# 4.3BSD system interfaces
    137              1.12       eeh options 	COMPAT_09	# NetBSD 0.9 binary compatibility
    138               1.1       eeh options 	COMPAT_10	# NetBSD 1.0 binary compatibility
    139               1.1       eeh options 	COMPAT_11	# NetBSD 1.1 binary compatibility
    140               1.1       eeh options 	COMPAT_12	# NetBSD 1.2 binary compatibility
    141               1.1       eeh options 	COMPAT_13	# NetBSD 1.3 binary compatibility
    142               1.1       eeh options 	COMPAT_14	# NetBSD 1.4 binary compatibility
    143              1.67    martin options 	COMPAT_15	# NetBSD 1.5 binary compatibility
    144              1.67    martin options 	COMPAT_16	# NetBSD 1.6 binary compatibility
    145               1.1       eeh options 	COMPAT_SUNOS	# SunOS 4.x binary compatibility
    146               1.1       eeh options 	COMPAT_SVR4	# SunOS 5.x binary compatibility
    147              1.14       mrg #options 	COMPAT_SVR4_32	# SunOS 5.x 32-bit binary compatibility -- 64-bit only
    148               1.1       eeh #options 	COMPAT_NETBSD32	# NetBSD/sparc binary compatibility -- 64-bit only
    149               1.1       eeh options 	EXEC_AOUT	# execve(2) support for a.out binaries
    150               1.1       eeh options 	EXEC_ELF32	# Exec module for SunOS 5.x binaries.
    151               1.1       eeh #options 	SYSCALL_DEBUG
    152               1.1       eeh 
    153              1.16       abs #options 	TCP_COMPAT_42	# 4.2BSD TCP/IP bug compat. Not recommended.
    154              1.16       abs 
    155               1.1       eeh ## File systems.  You probably need at least one of FFS or NFS.
    156               1.1       eeh file-system	FFS		# Berkeley Fast Filesystem
    157               1.1       eeh file-system	NFS		# Sun NFS-compatible filesystem client
    158               1.1       eeh file-system	KERNFS		# kernel data-structure filesystem
    159               1.1       eeh file-system	NULLFS		# NULL layered filesystem
    160               1.1       eeh file-system 	OVERLAY		# overlay file system
    161               1.1       eeh file-system	MFS		# memory-based filesystem
    162               1.1       eeh file-system	FDESC		# user file descriptor filesystem
    163               1.1       eeh file-system	UMAPFS		# uid/gid remapping filesystem
    164               1.1       eeh file-system	LFS		# Log-based filesystem (still experimental)
    165               1.1       eeh file-system	PORTAL		# portal filesystem (still experimental)
    166               1.1       eeh file-system	PROCFS		# /proc
    167               1.1       eeh file-system	CD9660		# ISO 9660 + Rock Ridge file system
    168               1.1       eeh file-system	UNION		# union file system
    169               1.1       eeh file-system	MSDOSFS		# MS-DOS FAT filesystem(s).
    170               1.1       eeh 
    171               1.1       eeh ## File system options.
    172               1.1       eeh options 	NFSSERVER	# Sun NFS-compatible filesystem server
    173               1.1       eeh options 	QUOTA		# FFS quotas
    174               1.1       eeh #options 	FFS_EI		# FFS Endian Independent support
    175              1.25     lukem options 	SOFTDEP		# FFS soft updates support.
    176               1.1       eeh 
    177               1.1       eeh ## Network protocol support.  In most environments, INET is required.
    178               1.1       eeh options 	INET		# IP (Internet Protocol) v4
    179               1.1       eeh options 	INET6		# IPV6
    180               1.1       eeh #options 	IPSEC		# IP security
    181               1.1       eeh #options 	IPSEC_ESP	# IP security (encryption part; define w/IPSEC)
    182               1.1       eeh #options 	IPSEC_DEBUG	# debug for IP security
    183               1.1       eeh #options 	GATEWAY		# packet forwarding ("router switch")
    184               1.1       eeh options 	MROUTING	# packet forwarding of multicast packets
    185               1.1       eeh #options 	DIRECTED_BROADCAST	# allow broadcasts through routers
    186               1.1       eeh options 	NS		# Xerox NS networking
    187               1.1       eeh #options 	NSIP		# Xerox NS tunneling over IP
    188  1.79.2.3.2.2.2.1    bouyer #options 	ISO,TPIP	# OSI networking
    189  1.79.2.3.2.2.2.1    bouyer #options 	EON		# OSI tunneling over IP
    190               1.1       eeh #options 	CCITT,LLC,HDLC	# X.25 packet switched protocol
    191               1.1       eeh options 	NETATALK	# AppleTalk (over Ethernet) protocol
    192               1.1       eeh options 	NTP		# Network Time Protocol in-kernel support
    193               1.1       eeh #options 	PPS_SYNC	# Add serial line synchronization for NTP
    194               1.1       eeh options 	PFIL_HOOKS	# Add pfil(9) hooks, intended for custom LKMs.
    195               1.1       eeh options 	IPFILTER_LOG	# Add ipmon(8) logging for ipfilter device
    196              1.47    martti #options 	IPFILTER_DEFAULT_BLOCK	# block all packets by default
    197               1.1       eeh options 	PPP_BSDCOMP	# Add BSD compression to ppp device
    198               1.1       eeh options 	PPP_DEFLATE	# Add deflate (libz) compression to ppp device
    199               1.1       eeh options 	PPP_FILTER	# Add active filters for ppp (via bpf)
    200              1.16       abs #options 	TCP_DEBUG	# Record last TCP_NDEBUG packets with SO_DEBUG
    201               1.1       eeh 
    202          1.79.2.1       jdc #options 	ALTQ		# Manipulate network interfaces' output queues
    203          1.79.2.1       jdc #options 	ALTQ_BLUE	# Stochastic Fair Blue
    204          1.79.2.1       jdc #options 	ALTQ_CBQ	# Class-Based Queueing
    205          1.79.2.1       jdc #options 	ALTQ_CDNR	# Diffserv Traffic Conditioner
    206          1.79.2.1       jdc #options 	ALTQ_FIFOQ	# First-In First-Out Queue
    207          1.79.2.1       jdc #options 	ALTQ_FLOWVALVE	# RED/flow-valve (red-penalty-box)
    208          1.79.2.1       jdc #options 	ALTQ_HFSC	# Hierarchical Fair Service Curve
    209          1.79.2.1       jdc #options 	ALTQ_LOCALQ	# Local queueing discipline
    210          1.79.2.1       jdc #options 	ALTQ_PRIQ	# Priority Queueing
    211          1.79.2.1       jdc #options 	ALTQ_RED	# Random Early Detection
    212          1.79.2.1       jdc #options 	ALTQ_RIO	# RED with IN/OUT
    213          1.79.2.1       jdc #options 	ALTQ_WFQ	# Weighted Fair Queueing
    214          1.79.2.1       jdc 
    215               1.1       eeh 
    216               1.1       eeh #### Main bus and CPU .. all systems.
    217               1.1       eeh mainbus0 at root
    218               1.1       eeh cpu0	at mainbus0
    219               1.1       eeh 
    220               1.1       eeh #### Bus types found on SPARC systems.
    221               1.1       eeh 
    222               1.1       eeh sbus0	at mainbus0				# Ultra 1
    223               1.1       eeh #upa0	at mainbus0				# Ultra 1E, Ultra 2, Ex0000
    224              1.14       mrg psycho*	at mainbus0				# Darwin, Ultra5
    225              1.39   thorpej pci*	at psycho?
    226              1.39   thorpej pci*	at ppb?
    227              1.39   thorpej ppb*	at pci?					# `APB' support.
    228              1.39   thorpej ebus*	at pci?					# ebus devices
    229              1.18       eeh # XXX 'puc's aren't really bridges, but there's no better place for them here
    230              1.39   thorpej puc*	at pci? dev ? function ?		# PCI "universal" comm. cards
    231               1.1       eeh 
    232               1.1       eeh #### Standard system devices -- all required for a given architecture
    233               1.1       eeh 
    234               1.1       eeh ## PROM console driver -- if all else fails
    235               1.1       eeh pcons0	at mainbus0				# PROM console
    236               1.1       eeh 
    237               1.1       eeh ## Auxiliary system registers -- We use the OBP for power management
    238               1.1       eeh auxio*	at ebus?				# auxio registers
    239               1.1       eeh auxio*	at sbus? slot ? offset ?		# auxio registers
    240               1.1       eeh 
    241               1.1       eeh # We also need:
    242               1.1       eeh bpp*	at sbus? slot ? offset ?		# parallel port
    243               1.1       eeh lpt*	at ebus?				# parallel port
    244               1.1       eeh 
    245               1.1       eeh ## Mostek clock found on 4/300, sun4c, sun4m and sun4u systems.
    246               1.1       eeh ## The Mostek clock NVRAM is the "eeprom" on sun4/300 systems.
    247               1.1       eeh clock*	at sbus? slot ? offset ?
    248               1.1       eeh clock*	at ebus?
    249              1.38       eeh rtc*	at ebus?
    250               1.1       eeh 
    251               1.1       eeh ## Timer chip found on 4/300, sun4c, sun4m and (some) sun4u systems.
    252               1.1       eeh timer*	at mainbus0				# sun4c
    253               1.1       eeh 
    254               1.1       eeh #### Serial port configuration
    255               1.1       eeh 
    256               1.1       eeh ## Zilog 8530 serial chips.  Each has two-channels.
    257               1.1       eeh ## zs0 is ttya and ttyb.  zs1 is the keyboard and mouse.
    258               1.8       eeh zs*	at sbus? slot ? offset ?
    259               1.8       eeh zstty*	at zs? channel ?			# ttya
    260               1.8       eeh kbd0	at zstty?
    261               1.8       eeh ms0	at zstty?
    262               1.8       eeh 
    263               1.1       eeh ## PCI machines have serial ports:
    264               1.1       eeh ##	Siemens SAB82532 controller: ttya and ttyb (`su'; sab)
    265               1.1       eeh ##	Part of NS PC87332VLJ Super I/O controller: kbd/mouse (`se'; com)
    266               1.1       eeh 
    267              1.14       mrg ## The SAB82532 controller has two serial ports
    268              1.43    petrov sab*	at ebus?				# ttya/ttyb
    269              1.43    petrov sabtty*	at sab? channel ?
    270               1.1       eeh 
    271               1.9       mrg ## Part of a PC87332VLJ
    272               1.8       eeh com*	at ebus?				# `com' driver for `su'
    273               1.8       eeh kbd0	at com?					# keyboard
    274               1.8       eeh ms0	at com?					# mouse
    275               1.1       eeh 
    276              1.18       eeh # PCI serial interfaces
    277              1.18       eeh com*	at puc? port ?			# 16x50s on "universal" comm boards
    278              1.39   thorpej cy*	at pci? dev ? function ?	# Cyclades Cyclom-Y serial boards
    279              1.39   thorpej cz*	at pci? dev ? function ?	# Cyclades-Z multi-port serial boards
    280              1.18       eeh 
    281               1.1       eeh #### Disk controllers and disks
    282               1.1       eeh 
    283               1.1       eeh ## The following flags may be set for the NCR53c94 based esp driver:
    284               1.1       eeh ##	bits 0-7:  disable disconnect/reselect for the corresponding target
    285               1.1       eeh ##	bits 8-15: disable synchronous negotiation for target [bit-8]
    286               1.1       eeh 
    287               1.1       eeh ## sun4u on-board SCSI, and FSBE/S SBus SCSI cards, an NCR53c94 or
    288               1.1       eeh ## equivalent behind an LSI Logic DMA controller
    289               1.1       eeh 
    290              1.49    martin # XXX - the esp driver has problems with tagged queueing.
    291              1.49    martin # To avoid these, tagged queueing has been disabled for the first 8 targets
    292              1.49    martin # by setting those bits to 1 (starting at bit 16, see esp(4) for details).
    293              1.49    martin # If you want tagged queueing, and are sure it works for you, set the flags
    294              1.49    martin # value to 0. CAVEAT: using tagged queueing currently can cause data loss!
    295              1.49    martin 
    296               1.8       eeh dma*	at sbus? slot ? offset ?		# SBus
    297              1.49    martin esp*	at dma? flags 0x00ff0000		# SBus
    298               1.1       eeh 
    299              1.49    martin esp*	at sbus? slot ? offset ? flags 0x00ff0000
    300               1.1       eeh isp*	at sbus? slot ? offset ?
    301              1.42       mrg isp*	at pci? dev ? function ?	# Qlogic ISP [12]0x0 SCSI/FibreChannel
    302              1.70    bouyer siop*	at pci? 			# 53C8xx ("glm" compatible)
    303              1.70    bouyer esiop*	at pci? 			# 53C875 and newer ("glm" compatible)
    304               1.1       eeh 
    305              1.78  jonathan # PCI cryptographic devices
    306              1.78  jonathan hifn*	at pci? dev ? function ?	# Hifn 7755/7811/795x
    307              1.78  jonathan ubsec*	at pci? dev ? function ?	# Broadcom 5501/5601/580x/582x
    308              1.78  jonathan 
    309              1.23   tsutsui # PCI SCSI controllers
    310              1.23   tsutsui # 	UT marks untested.
    311              1.39   thorpej adv*	at pci? dev ? function ?	# AdvanSys 1200[A,B], 9xx[U,UA] SCSI UT
    312              1.39   thorpej adw*	at pci? dev ? function ?	# AdvanSys 9x0UW[D], 3940U[2,3]W SCSI UT
    313              1.61   tsutsui ahc*	at pci? dev ? function ?	# Adaptec [23]94x, aic78x0 SCSI
    314              1.39   thorpej bha*	at pci? dev ? function ?	# BusLogic 9xx SCSI UT
    315              1.39   thorpej dpt*	at pci? dev ? function ?	# DPT SmartCache/SmartRAID UT
    316              1.39   thorpej iha*	at pci? dev ? function ?	# Initio INIC-940/950 SCSI
    317          1.79.2.3      tron njs*	at pci? dev ? function ?	# Workbit NinjaSCSI-32
    318              1.61   tsutsui pcscp*	at pci? dev ? function ?	# AMD 53c974 PCscsi-PCI SCSI
    319              1.39   thorpej trm*	at pci? dev ? function ?	# Tekram DC-395U/UW/F, DC-315/U SCSI
    320              1.18       eeh 
    321              1.18       eeh scsibus* at scsi?
    322              1.18       eeh 
    323               1.1       eeh ## These entries find devices on all SCSI busses and assign
    324               1.1       eeh ## unit numbers dynamically.
    325               1.1       eeh sd*	at scsibus? target ? lun ?		# SCSI disks
    326               1.1       eeh st*	at scsibus? target ? lun ?		# SCSI tapes
    327               1.1       eeh cd*	at scsibus? target ? lun ?		# SCSI CD-ROMs
    328               1.1       eeh ch*	at scsibus? target ? lun ?		# SCSI changer devices
    329               1.1       eeh ss*	at scsibus? target ? lun ?		# SCSI scanners
    330              1.13    mjacob ses*	at scsibus? target ? lun ?		# SCSI SES/SAF-TE devices
    331               1.1       eeh uk*	at scsibus? target ? lun ?		# unknown SCSI
    332               1.1       eeh 
    333              1.52     grant # IDE and related devices
    334              1.52     grant # PCI IDE controllers - see pciide(4) for supported hardware.
    335              1.52     grant # The 0x0001 flag force the driver to use DMA, even if the driver doesn't know
    336              1.52     grant # how to set up DMA modes for this chip. This may work, or may cause
    337              1.52     grant # a machine hang with some controllers.
    338              1.72    bouyer pciide* at pci? dev ? function ? flags 0x0000	# GENERIC pciide driver
    339              1.72    bouyer acardide* at pci? dev ? function ?	# Acard IDE controllers
    340              1.72    bouyer aceride* at pci? dev ? function ?	# Acer Lab IDE controllers
    341              1.77   thorpej artsata* at pci? dev ? function ?	# Intel i31244 SATA controller
    342              1.72    bouyer cmdide* at pci? dev ? function ?	# CMD tech IDE controllers
    343              1.72    bouyer cypide* at pci? dev ? function ?	# Cypress IDE controllers
    344              1.72    bouyer hptide* at pci? dev ? function ?	# Triones/HighPoint IDE controllers
    345              1.72    bouyer optiide* at pci? dev ? function ?	# Opti IDE controllers
    346              1.72    bouyer piixide* at pci? dev ? function ?	# Intel IDE controllers
    347              1.72    bouyer pdcide* at pci? dev ? function ?	# Promise IDE controllers
    348      1.79.2.3.2.1        he pdcsata* at pci? dev ? function ?	# Promise SATA150 controllers
    349              1.76   thorpej satalink* at pci? dev ? function ?	# SiI SATALink controllers
    350              1.72    bouyer siside* at pci? dev ? function ?	# SiS IDE controllers
    351              1.72    bouyer slide*  at pci? dev ? function ?	# Symphony Labs IDE controllers
    352              1.72    bouyer viaide* at pci? dev ? function ?	# VIA/AMD/Nvidia IDE controllers
    353              1.73     lukem atabus* at ata?
    354              1.73     lukem atapibus* at atapi?
    355              1.21       eeh 
    356              1.52     grant # IDE drives
    357              1.52     grant # Flags are used only with controllers that support DMA operations
    358              1.52     grant # and mode settings (e.g. some pciide controllers)
    359              1.52     grant # The lowest order four bits (rightmost digit) of the flags define the PIO
    360              1.52     grant # mode to use, the next set of four bits the DMA mode and the third set the
    361              1.52     grant # UltraDMA mode. For each set of four bits, the 3 lower bits define the mode
    362              1.52     grant # to use, and the last bit must be 1 for this setting to be used.
    363              1.52     grant # For DMA and UDMA, 0xf (1111) means 'disable'.
    364              1.52     grant # 0x0fac means 'use PIO mode 4, DMA mode 2, disable UltraDMA'.
    365              1.52     grant # (0xc=1100, 0xa=1010, 0xf=1111)
    366              1.52     grant # 0x0000 means "use whatever the drive claims to support".
    367              1.52     grant 
    368              1.21       eeh ## Disable UDMA 4 which causes data corruption on the Acer Labs
    369              1.21       eeh ## chipset on Sun Blade 100 and Netra X1 machines.
    370              1.71    bouyer wd*     at atabus? drive ? flags 0x0000
    371               1.1       eeh 
    372               1.1       eeh cd*	at atapibus? drive ? flags 0x0000	# ATAPI CD-ROM drives
    373               1.1       eeh sd*	at atapibus? drive ? flags 0x0000	# ATAPI disk drives
    374               1.1       eeh uk*	at atapibus? drive ? flags 0x0000	# ATAPI unknown
    375               1.1       eeh 
    376              1.18       eeh # RAID controllers and devices (untested)
    377              1.39   thorpej cac*	at pci? dev ? function ?	# Compaq PCI array controllers
    378              1.39   thorpej mlx*	at pci? dev ? function ?	# Mylex DAC960 & DEC SWXCR family
    379              1.39   thorpej twe*	at pci? dev ? function ?	# 3ware Escalade RAID controllers
    380              1.18       eeh 
    381              1.18       eeh ld*	at cac? unit ?			# logical disk devices
    382              1.18       eeh ld*	at twe? unit ?
    383              1.18       eeh ld*	at mlx? unit ?
    384              1.18       eeh 
    385               1.1       eeh ## Floppy controller and drive found on SPARCstations.
    386               1.1       eeh 
    387               1.1       eeh # need share with the sparc, and everyone else.  needs to use auxio.
    388               1.1       eeh # actually, the ebus version has (will have) direct access to it's AUXIO
    389               1.1       eeh # register space (it is mapped in to fdthree not auxio).
    390               1.1       eeh #fdc0	at sbus? slot ? offset ?		# SUNW,fdtwo
    391               1.1       eeh #fdc0	at ebus?				# fdthree
    392               1.1       eeh #fd*	at fdc0 	 			# the drive itself
    393               1.1       eeh 
    394               1.1       eeh ## A disk-like interface to files.  Can be used to create floppy, CD,
    395               1.1       eeh ## miniroot images, etc.
    396               1.1       eeh 
    397               1.1       eeh pseudo-device	vnd	4
    398               1.1       eeh 
    399               1.1       eeh ## Concatenated and striped disks; with this, you can create a software-based
    400               1.1       eeh ## disk array similar to a "RAID 0" setup.  See ccd(4).
    401               1.1       eeh 
    402               1.1       eeh pseudo-device	ccd	4
    403              1.51     elric 
    404              1.51     elric ## Cryptographic disk devices.  See cgd(4).
    405              1.51     elric 
    406              1.51     elric #pseudo-device	cgd	4
    407               1.1       eeh 
    408               1.1       eeh ## RAIDframe disk driver: software RAID driver.  See raid(4).
    409               1.1       eeh 
    410              1.29     oster pseudo-device	raid	8
    411              1.29     oster options 	RAID_AUTOCONFIG		# auto-configuration of RAID components
    412              1.29     oster # Options to enable various other RAIDframe RAID types.
    413              1.69  nakayama # options 	RF_INCLUDE_EVENODD=1
    414              1.69  nakayama # options 	RF_INCLUDE_RAID5_RS=1
    415              1.69  nakayama # options 	RF_INCLUDE_PARITYLOGGING=1
    416              1.69  nakayama # options 	RF_INCLUDE_CHAINDECLUSTER=1
    417              1.69  nakayama # options 	RF_INCLUDE_INTERDECLUSTER=1
    418              1.29     oster # options 	RF_INCLUDE_PARITY_DECLUSTERING=1
    419              1.69  nakayama # options 	RF_INCLUDE_PARITY_DECLUSTERING_DS=1
    420              1.29     oster 
    421               1.1       eeh 
    422               1.1       eeh ## Memory disk device, used on boot floppies with compressed
    423               1.1       eeh ## kernel-plus-root-disk images.
    424               1.1       eeh 
    425               1.1       eeh pseudo-device	md	1
    426               1.1       eeh 
    427               1.1       eeh 
    428               1.1       eeh #### Network interfaces
    429               1.1       eeh 
    430               1.1       eeh ## LANCE Ethernet - an AMD 7990 LANCE behind specialized DMA glue
    431               1.1       eeh ## Three flavors of additional SBus ethernets are available.  One attaches
    432               1.1       eeh ## directly like the sun4c on-board, one uses the ledma device like the
    433               1.1       eeh ## sun4m on-board, and one uses the lebuffer device.
    434               1.1       eeh 
    435               1.8       eeh ledma0		at sbus? slot ? offset ?	# sun4m on-board
    436               1.8       eeh le0		at ledma0			# sun4m on-board
    437               1.8       eeh le*		at sbus? slot ? offset ?	# SBus
    438               1.8       eeh ledma*		at sbus? slot ? offset ?	# SBus
    439               1.8       eeh le*		at ledma?			# SBus
    440               1.8       eeh lebuffer0	at sbus? slot ? offset ?	# SBus
    441               1.8       eeh le0		at lebuffer?			# SBus
    442               1.8       eeh lebuffer*	at sbus? slot ? offset ?	# SBus
    443               1.8       eeh le*		at lebuffer?			# SBus
    444               1.1       eeh 
    445               1.1       eeh ## Happy Meal Ethernet
    446               1.1       eeh hme*		at sbus? slot ? offset ?
    447              1.39   thorpej hme*		at pci?	dev ? function ?	# network "hme" compatible
    448              1.17      matt 
    449              1.18       eeh ## qec/be, qec/hme
    450              1.18       eeh qec*		at sbus? slot ? offset ?
    451              1.18       eeh be*		at qec?
    452              1.18       eeh qe*		at qec?
    453              1.18       eeh 
    454              1.18       eeh # PCI network interfaces
    455              1.18       eeh # 	UT marks untested.
    456              1.39   thorpej an*	at pci? dev ? function ?	# Aironet PC4500/PC4800 (802.11) UT
    457              1.39   thorpej en*	at pci? dev ? function ?	# ENI/Adaptec ATM UT
    458              1.18       eeh # XXX causes ICE
    459              1.39   thorpej #ep*	at pci? dev ? function ?	# 3Com 3c59x
    460              1.61   tsutsui ex*	at pci? dev ? function ?	# 3Com 90x[B]
    461              1.61   tsutsui epic*	at pci? dev ? function ?	# SMC EPIC/100 Ethernet
    462              1.39   thorpej esh*	at pci? dev ? function ?	# Essential HIPPI card UT
    463              1.39   thorpej fpa*	at pci? dev ? function ?	# DEC DEFPA FDDI UT
    464              1.53     grant fxp*	at pci? dev ? function ?	# Intel EtherExpress PRO 10+/100B
    465              1.39   thorpej gem*	at pci? dev ? function ?	# Apple GMAC and Sun ERI gigabit enet
    466              1.62   tsutsui # XXX lacks bus_dmamap_sync()
    467              1.62   tsutsui #le*	at pci? dev ? function ?	# PCnet-PCI Ethernet
    468              1.18       eeh # XXX uses vtophys()
    469              1.39   thorpej #lmc*	at pci? dev ? function ?	# Lan Media Corp SSI/HSSI/DS3
    470              1.39   thorpej ne*	at pci? dev ? function ?	# NE2000-compatible Ethernet UT
    471              1.39   thorpej ntwoc*	at pci? dev ? function ?	# Riscom/N2 PCI Sync Serial UT
    472              1.61   tsutsui # XXX cause uncorrectable DMA error
    473              1.61   tsutsui #pcn*	at pci? dev ? function ?	# PCnet-PCI Ethernet
    474              1.53     grant rtk*	at pci? dev ? function ?	# Realtek 8129/8139
    475              1.61   tsutsui # XXX cause uncorrectable DMA error
    476              1.61   tsutsui #sip*	at pci? dev ? function ?	# SiS 900 Ethernet
    477              1.39   thorpej ti*	at pci? dev ? function ?	# Alteon ACEnic gigabit Ethernet UT
    478              1.39   thorpej tl*	at pci? dev ? function ?	# ThunderLAN-based Ethernet
    479              1.39   thorpej tlp*	at pci? dev ? function ?	# DECchip 21x4x and clones
    480              1.39   thorpej vr*	at pci? dev ? function ?	# VIA Rhine Fast Ethernet
    481              1.56     grant wi*	at pci? dev ? function ?	# Lucent/Intersil WaveLAN/IEEE
    482               1.1       eeh 
    483               1.1       eeh # MII/PHY support
    484               1.1       eeh # XXX: only nsphy "tested"
    485              1.18       eeh dmphy*	at mii? phy ?			# Davicom DM9101 PHYs
    486              1.18       eeh exphy*	at mii? phy ?			# 3Com internal PHYs
    487              1.32       wiz icsphy*	at mii? phy ?			# Integrated Circuit Systems ICS189x
    488              1.18       eeh inphy*	at mii? phy ?			# Intel 82555 PHYs
    489              1.18       eeh iophy*	at mii? phy ?			# Intel 82553 PHYs
    490              1.18       eeh lxtphy*	at mii? phy ?			# Level One LXT-970 PHYs
    491              1.18       eeh nsphy*	at mii? phy ?			# NS83840 PHYs
    492              1.18       eeh nsphyter* at mii? phy ?			# NS83843 PHYs
    493              1.18       eeh qsphy*	at mii? phy ?			# Quality Semiconductor QS6612 PHYs
    494              1.18       eeh sqphy*	at mii? phy ?			# Seeq 80220/80221/80223 PHYs
    495              1.18       eeh tlphy*	at mii? phy ?			# ThunderLAN PHYs
    496              1.18       eeh tqphy*	at mii? phy ?			# TDK Semiconductor PHYs
    497              1.18       eeh ukphy*	at mii? phy ?			# generic unknown PHYs
    498              1.18       eeh 
    499              1.18       eeh # PCI USB controllers
    500              1.66  nakayama ehci*	at pci? dev ? function ?	# Enhanced Host Controller
    501              1.66  nakayama ohci*	at pci? dev ? function ?	# Open Host Controller
    502              1.66  nakayama 
    503              1.66  nakayama usb*	at ehci?			# USB bus support
    504              1.66  nakayama usb*	at ohci?
    505              1.18       eeh 
    506              1.20       eeh uhub*	at usb?						# USB Hubs
    507              1.20       eeh uhub*	at uhub? port ? configuration ? interface ?
    508              1.18       eeh 
    509              1.28  augustss uhidev*	at uhub? port ? configuration ? interface ?	# USB HID
    510              1.28  augustss uhid*	at uhidev? reportid ?				# USB Generic HID
    511              1.28  augustss 
    512              1.20       eeh ulpt*	at uhub? port ? configuration ? interface ?	# USB Printer
    513              1.18       eeh 
    514              1.20       eeh umodem*	at uhub? port ? configuration ?			# USB Modem
    515              1.20       eeh ucom*	at umodem?
    516              1.18       eeh 
    517              1.20       eeh umass*	at uhub? port ? configuration ? interface ?	# USB Mass Storage
    518              1.18       eeh 
    519              1.20       eeh uaudio*	at uhub? port ? configuration ?			# USB audio
    520              1.18       eeh 
    521              1.18       eeh # USB Ethernet adapters
    522              1.20       eeh aue*	at uhub? port ?		# ADMtek AN986 Pegasus based adapters
    523              1.20       eeh cue*	at uhub? port ?		# CATC USB-EL1201A based adapters
    524              1.20       eeh kue*	at uhub? port ?		# Kawasaki LSI KL5KUSB101B based adapters
    525              1.57  augustss uax*	at uhub? port ?		# ASIX AX88172 based adapters
    526              1.57  augustss url*	at uhub? port ?		# Realtek RTL8150L based adapters
    527              1.20       eeh 
    528      1.79.2.3.2.2       riz ukyopon* at uhub? port ?				# Kyocera AIR-EDGE PHONE
    529      1.79.2.3.2.2       riz ucom*	at ukyopon? portno ?
    530      1.79.2.3.2.2       riz 
    531              1.20       eeh uscanner* at uhub? port ?				# USB scanners
    532              1.53     grant uyap*	at uhub? port ?					# Y@P firmware loader
    533              1.20       eeh ugen*	at uhub? port ? configuration ? interface ?	# USB Generic driver
    534              1.20       eeh 
    535              1.20       eeh # PCI IEEE1394 controllers
    536              1.39   thorpej fwohci*	at pci? dev ? function ?	# IEEE1394 Open Host Controller
    537              1.39   thorpej #fwlynx* at pci? dev ? function ?	# IEEE1394 TI Lynx Controller
    538              1.25     lukem fw*	at fwbus?			# IP over 1394
    539              1.20       eeh 
    540              1.20       eeh # IEEE1394 nodes
    541              1.66  nakayama #fwnode* at fwbus? idhi ? idlo ?
    542              1.66  nakayama #sbpscsi* at fwnode?
    543               1.1       eeh 
    544               1.1       eeh ## Loopback network interface; required
    545               1.1       eeh pseudo-device	loop
    546               1.1       eeh 
    547               1.1       eeh ## SLIP and CSLIP interfaces, for IP over a serial line.
    548               1.1       eeh pseudo-device	sl		2
    549               1.1       eeh 
    550               1.1       eeh ## PPP, the successor to SLIP.  See pppd(8).
    551               1.1       eeh pseudo-device	ppp		2
    552              1.27    martin 
    553              1.27    martin ## PPP over Ethernet (RFC 2516)
    554              1.27    martin pseudo-device	pppoe
    555               1.1       eeh 
    556               1.1       eeh ## Starmode Radio IP, a special hardware network device.
    557               1.1       eeh pseudo-device	strip		1
    558               1.1       eeh 
    559               1.1       eeh ## Network "tunnel" device, allowing protocol stacks to run in the userland.
    560               1.1       eeh ## This is used by the third-party user-mode "ppp" program, and others.
    561               1.1       eeh pseudo-device	tun		4
    562               1.1       eeh 
    563               1.1       eeh ## Generic L3 over IP tunnel
    564               1.1       eeh #pseudo-device	gre		2	# generic L3 over IP tunnel
    565               1.1       eeh 
    566               1.1       eeh ## Berkeley Packet Filter, required to run RARPD.  A generic C-language
    567               1.1       eeh ## interface that allows selective examining of incoming packets.
    568               1.1       eeh pseudo-device	bpfilter	8
    569              1.58       seb 
    570              1.58       seb ## IEEE 802.1q encapsulation
    571              1.58       seb pseudo-device	vlan
    572              1.19    atatat 
    573              1.19    atatat ## Simple inter-network traffic bridging
    574              1.19    atatat pseudo-device	bridge
    575              1.69  nakayama #options 	BRIDGE_IPF		# bridge uses IP/IPv6 pfil hooks too
    576               1.1       eeh 
    577               1.1       eeh ## IP Filter, used in firewall and NAT applications.  See ipnat(8) for
    578               1.1       eeh ## one example of the use of the IP Filter.
    579               1.1       eeh pseudo-device	ipfilter
    580               1.1       eeh 
    581               1.1       eeh ## for IPv6
    582               1.1       eeh pseudo-device	gif		4	# IPv[46] over IPv[46] tunnel (RFC1933)
    583               1.1       eeh #pseudo-device	faith		1	# IPv[46] tcp relay translation i/f
    584               1.1       eeh #pseudo-device	stf		1	# 6to4 IPv6 over IPv4 encapsulation
    585              1.60  nakayama 
    586              1.60  nakayama 
    587              1.60  nakayama #### CardBus and PCMCIA devices
    588              1.60  nakayama 
    589              1.60  nakayama # PCI CardBus bridge support
    590              1.60  nakayama #cbb*	at pci? dev ? function ?
    591              1.60  nakayama #cardslot* at cbb?
    592              1.60  nakayama 
    593              1.60  nakayama # CardBus bus support
    594              1.60  nakayama #cardbus* at cardslot?
    595              1.60  nakayama #pcmcia* at cardslot?
    596              1.60  nakayama 
    597              1.60  nakayama ## CardBus cards; UT marks untested.
    598              1.60  nakayama 
    599              1.60  nakayama # CardBus serial interfaces
    600              1.60  nakayama #com*	at cardbus? dev ? function ?	# Modems and serial cards UT
    601              1.60  nakayama 
    602              1.60  nakayama # CardBus SCSI controllers
    603              1.60  nakayama #adv*	at cardbus? dev ? function ?	# AdvanSys 1200[A,B], 9xx[U,UA] SCSI UT
    604              1.60  nakayama #ahc*	at cardbus? dev ? function ?	# Adaptec ADP-1480 UT
    605          1.79.2.3      tron #njs*	at cardbus? dev ? function ?	# Workbit NinjaSCSI-32
    606              1.60  nakayama 
    607              1.60  nakayama # CardBus network interfaces
    608              1.60  nakayama #ex*	at cardbus? dev ? function ?	# 3Com 3C575TX UT
    609              1.60  nakayama #fxp*	at cardbus? dev ? function ?	# Intel i8255x UT
    610              1.60  nakayama #rtk*	at cardbus? dev ? function ?	# Realtek 8129/8139 UT
    611              1.60  nakayama #tlp*	at cardbus? dev ? function ?	# DECchip 21143 UT
    612              1.60  nakayama 
    613              1.60  nakayama # CardBus USB controllers
    614              1.60  nakayama #ehci*	at cardbus? dev ? function ?	# Enhanced Host Controller
    615              1.60  nakayama #ohci*	at cardbus? dev ? function ?	# Open Host Controller
    616              1.60  nakayama 
    617              1.60  nakayama # CardBus IEEE1394 controllers
    618              1.60  nakayama #fwohci* at cardbus? dev ? function ?	# IEEE1394 Open Host Controller UT
    619              1.60  nakayama 
    620              1.60  nakayama ## PCMCIA cards; UT marks untested.
    621              1.60  nakayama 
    622              1.60  nakayama # PCMCIA serial interfaces
    623              1.60  nakayama #com*	at pcmcia? function ?		# Modems and serial cards
    624              1.60  nakayama 
    625              1.60  nakayama #pcmcom* at pcmcia? function ?		# PCMCIA multi-port serial cards UT
    626              1.60  nakayama #com*	at pcmcom? slave ?		# ...and the slave devices
    627              1.60  nakayama 
    628              1.60  nakayama # PCMCIA SCSI controllers
    629              1.60  nakayama #aic*	at pcmcia? function ?		# Adaptec APA-1460 SCSI UT
    630              1.60  nakayama #esp*	at pcmcia? function ?		# Qlogic ESP406/FAS408 SCSI UT
    631              1.60  nakayama 
    632              1.60  nakayama # PCMCIA IDE controllers
    633              1.60  nakayama #wdc*	at pcmcia? function ?
    634              1.60  nakayama 
    635              1.60  nakayama # PCMCIA network interfaces
    636              1.60  nakayama #an*	at pcmcia? function ?		# Aironet PC4500/PC4800 (802.11) UT
    637              1.60  nakayama #awi*	at pcmcia? function ?		# BayStack 650/660 (802.11FH/DS) UT
    638              1.60  nakayama #cnw*	at pcmcia? function ?		# Xircom/Netwave AirSurfer UT
    639              1.60  nakayama #ep*	at pcmcia? function ?		# 3Com 3c589 and 3c562 Ethernet
    640              1.60  nakayama #mbe*	at pcmcia? function ?		# MB8696x based Ethernet UT
    641              1.60  nakayama #ne*	at pcmcia? function ?		# NE2000-compatible Ethernet
    642              1.60  nakayama #ray*	at pcmcia? function ?		# Raytheon Raylink (802.11) UT
    643              1.60  nakayama #sm*	at pcmcia? function ?		# Megahertz Ethernet UT
    644              1.60  nakayama # tr at pcmcia has problems with Cardbus bridges
    645              1.60  nakayama #tr*	at pcmcia? function ?		# TROPIC based Token-Ring UT
    646              1.60  nakayama #wi*	at pcmcia? function ?		# Lucent/Intersil WaveLan IEEE (802.11)
    647              1.60  nakayama #xi*	at pcmcia? function ?		# Xircom CreditCard Ethernet UT
    648              1.60  nakayama 
    649              1.60  nakayama #mhzc*	at pcmcia? function ?		# Megahertz Ethernet/Modem combo cards
    650              1.60  nakayama #com*	at mhzc?
    651              1.60  nakayama #sm*	at mhzc?
    652               1.1       eeh 
    653               1.1       eeh 
    654               1.1       eeh #### Audio and video devices
    655               1.1       eeh 
    656               1.1       eeh ## /dev/audio support (`audiocs' plus `audio')
    657               1.1       eeh ##
    658               1.8       eeh audiocs*	at sbus? slot ? offset ?	# SUNW,CS4231
    659              1.40    martin audiocs*	at ebus?			# SUNW,CS4231 in U5/U10
    660              1.39   thorpej autri*		at pci? dev ? function ?	# Blade 100 'sound'
    661              1.31       eeh 
    662              1.65  nakayama audio*		at audiobus?
    663              1.38       eeh 
    664              1.65  nakayama #midi*		at midibus?
    665               1.1       eeh 
    666               1.1       eeh 
    667               1.1       eeh ## Sun "bwtwo" black and white framebuffer, found on sun4, sun4c, and sun4m
    668               1.1       eeh ## systems.  If your sun4 system has a cgfour installed in the P4 slot,
    669               1.1       eeh ## the P4 entries for "bwtwo" will attach to the overlay plane of the
    670               1.1       eeh ## "cgfour".
    671               1.1       eeh 
    672               1.8       eeh #bwtwo0		at sbus? slot ? offset ?	# sun4c and sun4m
    673               1.8       eeh #bwtwo*		at sbus? slot ? offset ?
    674               1.1       eeh 
    675               1.1       eeh ## Sun "cgthree" Sbus color framebuffer
    676               1.1       eeh #cgthree0	at sbus? slot ? offset ?
    677               1.1       eeh #cgthree*	at sbus? slot ? offset ?
    678               1.1       eeh 
    679               1.1       eeh ## Sun "cgsix" accelerated color framebuffer.
    680               1.1       eeh cgsix0		at sbus? slot ? offset ?
    681               1.1       eeh cgsix*		at sbus? slot ? offset ?
    682               1.1       eeh 
    683               1.1       eeh ## Sun FFB not supported
    684              1.79    petrov #ffb*		at mainbus0
    685              1.79    petrov #wsdisplay*	at ffb?
    686               1.1       eeh 
    687               1.1       eeh #### Other device configuration
    688               1.1       eeh 
    689              1.78  jonathan ### Other pseudo-devices
    690              1.78  jonathan 
    691              1.78  jonathan pseudo-device 	crypto			# opencrypto framework
    692              1.78  jonathan 
    693               1.1       eeh ## Pseudo ttys, required for network logins and programs like screen.
    694               1.1       eeh 
    695               1.7  jdolecek pseudo-device	pty			# pseudo-ttys (for network, etc.)
    696               1.1       eeh 
    697               1.1       eeh ## Random device, used to implement /dev/random (a source of random noise),
    698               1.1       eeh ## and generate randomness for some kernel formulae.
    699               1.1       eeh 
    700               1.1       eeh pseudo-device	rnd
    701              1.41     lukem 
    702              1.41     lukem pseudo-device	clockctl		# user control of clock subsystem
    703              1.64     ragge pseudo-device	ksyms			# /dev/ksyms
    704