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TADPOLE3GX revision 1.9.8.5
      1  1.9.8.5  nathanw # 	$NetBSD: TADPOLE3GX,v 1.9.8.5 2002/06/20 03:41:03 nathanw Exp $
      2  1.9.8.2  nathanw 
      3  1.9.8.2  nathanw include "arch/sparc/conf/std.sparc"
      4  1.9.8.2  nathanw 
      5  1.9.8.5  nathanw #options 	INCLUDE_CONFIG_FILE	# embed config file in kernel binary
      6  1.9.8.5  nathanw 
      7  1.9.8.2  nathanw maxusers	32
      8  1.9.8.2  nathanw 
      9  1.9.8.2  nathanw ## System kernel configuration.  See options(4) for more detail.
     10  1.9.8.2  nathanw 
     11  1.9.8.2  nathanw 
     12  1.9.8.2  nathanw # Options for variants of the Sun SPARC architecure.
     13  1.9.8.2  nathanw # We currently support three architecture types; at least one is required.
     14  1.9.8.2  nathanw options 	SUN4M		# sun4m - SS10, SS20, Classic, etc.
     15  1.9.8.2  nathanw 
     16  1.9.8.2  nathanw ## System options specific to the sparc machine type
     17  1.9.8.2  nathanw 
     18  1.9.8.2  nathanw # Blink the power LED on some machines to indicate the system load.
     19  1.9.8.2  nathanw #options 	BLINK
     20  1.9.8.2  nathanw 
     21  1.9.8.2  nathanw ## Use a faster console than the PROM's slow drawing routines.  Not needed
     22  1.9.8.2  nathanw ## for headless (no framebuffer) machines.
     23  1.9.8.2  nathanw options 	RASTERCONSOLE		# fast rasterop console
     24  1.9.8.2  nathanw #options 	FONT_GALLANT12x22	# the console font
     25  1.9.8.2  nathanw options 	FONT_BOLD8x16		# a somewhat smaller font
     26  1.9.8.2  nathanw options 	RASTERCONSOLE_FGCOL=WSCOL_BLACK
     27  1.9.8.2  nathanw options 	RASTERCONSOLE_BGCOL=WSCOL_WHITE
     28  1.9.8.2  nathanw 
     29  1.9.8.2  nathanw #### System options that are the same for all ports
     30  1.9.8.2  nathanw 
     31  1.9.8.2  nathanw ## Root device configuration: change the ?'s if you are going to use a
     32  1.9.8.2  nathanw ## nonstandard root partition (other than where the kernel is booted from)
     33  1.9.8.2  nathanw ## and/or nonstandard root type (not ffs or nfs).  Normally this can be
     34  1.9.8.2  nathanw ## automagically determined at boot time.
     35  1.9.8.2  nathanw 
     36  1.9.8.2  nathanw config		netbsd	root on ? type ?
     37  1.9.8.2  nathanw 
     38  1.9.8.2  nathanw ## System call tracing (see ktrace(1)).
     39  1.9.8.2  nathanw options 	KTRACE
     40  1.9.8.2  nathanw 
     41  1.9.8.2  nathanw ## Collect statistics on kernel malloc's and free's.  This does have a
     42  1.9.8.2  nathanw ## significant performance hit on slower machines, so it is intended for
     43  1.9.8.2  nathanw ## diagnostic use only.
     44  1.9.8.2  nathanw #options 	KMEMSTATS
     45  1.9.8.2  nathanw 
     46  1.9.8.2  nathanw ## System V compatible IPC subsystem.  (msgctl(2), semctl(2), and shmctl(2))
     47  1.9.8.2  nathanw options 	SYSVMSG		# System V message queues
     48  1.9.8.2  nathanw options 	SYSVSEM		# System V semaphores
     49  1.9.8.2  nathanw options 	SYSVSHM		# System V shared memory
     50  1.9.8.2  nathanw #options 	SHMMAXPGS=1024	# 1024 pages is the default
     51  1.9.8.2  nathanw 
     52  1.9.8.2  nathanw ## Loadable kernel module support; still under development.
     53  1.9.8.2  nathanw options 	LKM
     54  1.9.8.2  nathanw 
     55  1.9.8.4  nathanw #options 	USERCONF	# userconf(4) support
     56  1.9.8.3  nathanw #options	PIPE_SOCKETPAIR	# smaller, but slower pipe(2)
     57  1.9.8.3  nathanw 
     58  1.9.8.5  nathanw ## NFS boot options; tries DHCP/BOOTP then BOOTPARAM
     59  1.9.8.2  nathanw options 	NFS_BOOT_BOOTPARAM
     60  1.9.8.2  nathanw #options 	NFS_BOOT_BOOTP
     61  1.9.8.5  nathanw options 	NFS_BOOT_DHCP
     62  1.9.8.2  nathanw 
     63  1.9.8.2  nathanw #### Debugging options
     64  1.9.8.2  nathanw 
     65  1.9.8.2  nathanw ## The DDB in-kernel debugger runs at panic (unless DDB_ONPANIC=0), or at
     66  1.9.8.2  nathanw ## serial console break or keyboard reset, where the PROM would normally
     67  1.9.8.2  nathanw ## intercept.  DDB_HISTORY_SIZE adds up/down arrow command history.
     68  1.9.8.2  nathanw #options 	DDB			# kernel dynamic debugger
     69  1.9.8.2  nathanw #options 	DDB_HISTORY_SIZE=100	# enable history editing in DDB
     70  1.9.8.2  nathanw #options 	DDB_ONPANIC=1		# see also sysctl(8): `ddb.onpanic'
     71  1.9.8.2  nathanw 
     72  1.9.8.2  nathanw ## You may also use gdb, on another computer connected to this machine over
     73  1.9.8.2  nathanw ## a serial port.  Both KGDB_DEV and KGDB_DEVRATE should be specified;
     74  1.9.8.2  nathanw ## KGDB_DEV is a dev_t encoded device number of the serial port to use.
     75  1.9.8.2  nathanw ## (0xc01 = ttya, 0xc02 = ttyb.)
     76  1.9.8.2  nathanw #options 	KGDB			# support for kernel gdb
     77  1.9.8.2  nathanw #options 	KGDB_DEV=0xc01		# kgdb device number (this is `ttyb')
     78  1.9.8.2  nathanw #options 	KGDB_DEVRATE=38400	# baud rate
     79  1.9.8.2  nathanw 
     80  1.9.8.2  nathanw 
     81  1.9.8.2  nathanw ## Compile the kernel with debugging symbols (`netbsd.gdb' is the debug file),
     82  1.9.8.2  nathanw ## such that gdb(1) can be used on a kernel coredump.
     83  1.9.8.2  nathanw 
     84  1.9.8.2  nathanw makeoptions	DEBUG="-g"
     85  1.9.8.2  nathanw 
     86  1.9.8.2  nathanw 
     87  1.9.8.2  nathanw ## Adds code to the kernel that does internal consistency checks, and will
     88  1.9.8.2  nathanw ## cause the kernel to panic if corruption of internal data structures
     89  1.9.8.2  nathanw ## is detected.
     90  1.9.8.2  nathanw #options 	DIAGNOSTIC	# extra kernel sanity checking
     91  1.9.8.2  nathanw 
     92  1.9.8.2  nathanw ## Enable (possibly expensive) debugging code that may also display messages
     93  1.9.8.2  nathanw ## on the system console
     94  1.9.8.2  nathanw #options 	DEBUG
     95  1.9.8.2  nathanw 
     96  1.9.8.2  nathanw ## Make SCSI error messages more verbose when explaining their meanings.
     97  1.9.8.2  nathanw options 	SCSIVERBOSE
     98  1.9.8.2  nathanw 
     99  1.9.8.2  nathanw ## `INSECURE' turns off the kernel security level (securelevel = 0 always).
    100  1.9.8.2  nathanw ## This allows writing to /dev/mem, loading kernel modules while multi-user,
    101  1.9.8.2  nathanw ## and other insecurities good only for development work.  Do not use this
    102  1.9.8.2  nathanw ## option on a production machine.
    103  1.9.8.2  nathanw options 	INSECURE
    104  1.9.8.2  nathanw 
    105  1.9.8.2  nathanw ## Allow non-root users to grab /dev/console with programs such as xconsole.
    106  1.9.8.2  nathanw ## `xconsole' therefore does not need setuid root with this option enabled.
    107  1.9.8.2  nathanw #options 	UCONSOLE
    108  1.9.8.2  nathanw 
    109  1.9.8.2  nathanw ## `FDSCRIPTS' allows non-readable but executable scripts by providing a
    110  1.9.8.2  nathanw ## pre-opened opaque file to the script interpreter.  `SETUIDSCRIPTS',
    111  1.9.8.2  nathanw ## which implies FDSCRIPTS, allows scripts to be set-user-id using the same
    112  1.9.8.2  nathanw ## opaque file mechanism.  Perl calls this "secure setuid scripts."
    113  1.9.8.2  nathanw 
    114  1.9.8.2  nathanw #options 	FDSCRIPTS
    115  1.9.8.2  nathanw #options 	SETUIDSCRIPTS
    116  1.9.8.2  nathanw 
    117  1.9.8.2  nathanw ## Options for compatibility with previous releases foreign system binaries.
    118  1.9.8.2  nathanw ## In the cases of COMPAT_SUNOS and COMPAT_SVR4, you may need to set up
    119  1.9.8.2  nathanw ## additional user-level utilities or system configuration files. See
    120  1.9.8.2  nathanw ## compat_sunos(8) and compat_svr4(8).
    121  1.9.8.2  nathanw 
    122  1.9.8.2  nathanw options 	COMPAT_43	# 4.3BSD system interfaces
    123  1.9.8.2  nathanw options 	COMPAT_10	# NetBSD 1.0 binary compatibility
    124  1.9.8.2  nathanw options 	COMPAT_11	# NetBSD 1.1 binary compatibility
    125  1.9.8.2  nathanw options 	COMPAT_12	# NetBSD 1.2 binary compatibility
    126  1.9.8.2  nathanw options 	COMPAT_13	# NetBSD 1.3 binary compatibility
    127  1.9.8.2  nathanw options 	COMPAT_14	# NetBSD 1.4 binary compatibility
    128  1.9.8.2  nathanw options 	COMPAT_SUNOS	# SunOS 4.x binary compatibility
    129  1.9.8.2  nathanw options 	COMPAT_SVR4	# SunOS 5.x binary compatibility
    130  1.9.8.2  nathanw #options 	TCP_COMPAT_42	# 4.2BSD TCP/IP bug compat. Not recommended.
    131  1.9.8.2  nathanw 
    132  1.9.8.2  nathanw ## File systems.  You probably need at least one of FFS or NFS.
    133  1.9.8.2  nathanw file-system	FFS		# Berkeley Fast Filesystem
    134  1.9.8.2  nathanw file-system	NFS		# Sun NFS-compatible filesystem client
    135  1.9.8.2  nathanw file-system	KERNFS		# kernel data-structure filesystem
    136  1.9.8.2  nathanw #file-system	NULLFS		# NULL layered filesystem
    137  1.9.8.2  nathanw file-system	MFS		# memory-based filesystem
    138  1.9.8.2  nathanw #file-system	FDESC		# user file descriptor filesystem
    139  1.9.8.2  nathanw #file-system	UMAPFS		# uid/gid remapping filesystem
    140  1.9.8.2  nathanw #file-system	LFS		# Log-based filesystem (still experimental)
    141  1.9.8.2  nathanw #file-system	PORTAL		# portal filesystem (still experimental)
    142  1.9.8.2  nathanw file-system	PROCFS		# /proc
    143  1.9.8.2  nathanw file-system	CD9660		# ISO 9660 + Rock Ridge file system
    144  1.9.8.2  nathanw #file-system	UNION		# union file system
    145  1.9.8.2  nathanw file-system	MSDOSFS		# MS-DOS FAT filesystem(s).
    146  1.9.8.2  nathanw 
    147  1.9.8.2  nathanw ## File system options.
    148  1.9.8.2  nathanw options 	NFSSERVER	# Sun NFS-compatible filesystem server
    149  1.9.8.2  nathanw options 	QUOTA		# FFS quotas
    150  1.9.8.2  nathanw #options 	FFS_EI		# FFS Endian Independent support
    151  1.9.8.2  nathanw 
    152  1.9.8.2  nathanw ## Network protocol support.  In most environments, INET is required.
    153  1.9.8.2  nathanw options 	INET		# IP (Internet Protocol) v4
    154  1.9.8.2  nathanw #options 	GATEWAY		# packet forwarding ("router switch")
    155  1.9.8.2  nathanw #options 	MROUTING	# packet forwarding of multicast packets
    156  1.9.8.2  nathanw #options 	DIRECTED_BROADCAST	# allow broadcasts through routers
    157  1.9.8.2  nathanw #options 	NS		# Xerox NS networking
    158  1.9.8.2  nathanw #options 	NSIP		# Xerox NS tunneling over IP
    159  1.9.8.2  nathanw #options 	ISO,TPIP	# OSI networking
    160  1.9.8.2  nathanw #options 	EON		# OSI tunneling over IP
    161  1.9.8.2  nathanw #options 	CCITT,LLC,HDLC	# X.25 packet switched protocol
    162  1.9.8.2  nathanw #options 	NETATALK	# AppleTalk (over Ethernet) protocol
    163  1.9.8.2  nathanw options 	NTP		# Network Time Protocol in-kernel support
    164  1.9.8.2  nathanw #options 	PPS_SYNC	# Add serial line synchronization for NTP
    165  1.9.8.2  nathanw options 	PFIL_HOOKS	# Add pfil(9) hooks, intended for custom LKMs.
    166  1.9.8.2  nathanw options 	IPFILTER_LOG	# Add ipmon(8) logging for ipfilter device
    167  1.9.8.2  nathanw options 	PPP_BSDCOMP	# Add BSD compression to ppp device
    168  1.9.8.2  nathanw options 	PPP_DEFLATE	# Add deflate (libz) compression to ppp device
    169  1.9.8.2  nathanw options 	PPP_FILTER	# Add active filters for ppp (via bpf)
    170  1.9.8.2  nathanw #options 	TCP_DEBUG	# Record last TCP_NDEBUG packets with SO_DEBUG
    171  1.9.8.2  nathanw 
    172  1.9.8.2  nathanw 
    173  1.9.8.2  nathanw #### Main bus and CPU .. all systems.
    174  1.9.8.2  nathanw mainbus0 at root
    175  1.9.8.2  nathanw cpu0	at mainbus0
    176  1.9.8.2  nathanw 
    177  1.9.8.2  nathanw #### Bus types found on SPARC systems.
    178  1.9.8.2  nathanw 
    179  1.9.8.2  nathanw obio0	at mainbus0				# sun4 and sun4m
    180  1.9.8.2  nathanw iommu0	at mainbus0				# sun4m
    181  1.9.8.2  nathanw sbus0	at iommu0				# sun4m
    182  1.9.8.2  nathanw 
    183  1.9.8.2  nathanw ## SBus to PCMCIA bridge
    184  1.9.8.2  nathanw #tpcic*	at sbus? slot ? offset ?		# PCMCIA bridge (tadpole 3gx)
    185  1.9.8.2  nathanw #pcmcia*	at tpcic?
    186  1.9.8.2  nathanw 
    187  1.9.8.2  nathanw #### Standard system devices -- all required for a given architecture
    188  1.9.8.2  nathanw 
    189  1.9.8.2  nathanw ## Auxiliary system registers on sun4c and sun4m
    190  1.9.8.2  nathanw auxreg0	at obio0				# sun4m
    191  1.9.8.2  nathanw 
    192  1.9.8.2  nathanw ## Additional auxiliary system registers on Sparcbook
    193  1.9.8.2  nathanw auxiotwo0	at obio0				# sun4m
    194  1.9.8.2  nathanw 
    195  1.9.8.2  nathanw ## Mostek clock found on 4/300, sun4c, and sun4m systems.
    196  1.9.8.2  nathanw ## The Mostek clock NVRAM is the "eeprom" on sun4/300 systems.
    197  1.9.8.2  nathanw clock0	at obio0				# sun4m
    198  1.9.8.2  nathanw 
    199  1.9.8.2  nathanw ## Timer chip found on 4/300, sun4c, and sun4m systems.
    200  1.9.8.2  nathanw timer0	at obio0				# sun4m
    201  1.9.8.2  nathanw 
    202  1.9.8.2  nathanw #### Serial port configuration
    203  1.9.8.2  nathanw 
    204  1.9.8.2  nathanw ## Zilog 8530 serial chips.  Each has two-channels.
    205  1.9.8.2  nathanw ## zs0 is ttya and ttyb.  zs1 is the keyboard and mouse.
    206  1.9.8.2  nathanw zs0	at obio0					# sun4m
    207  1.9.8.2  nathanw zstty0	at zs0 channel 0	# ttya
    208  1.9.8.2  nathanw zstty1	at zs0 channel 1	# ttyb
    209  1.9.8.2  nathanw 
    210  1.9.8.2  nathanw zs1	at obio0					# sun4m
    211  1.9.8.2  nathanw kbd0	at zs1 channel 0	# keyboard
    212  1.9.8.2  nathanw ms0	at zs1 channel 1	# mouse
    213  1.9.8.2  nathanw zstty*	at zs? channel ?	# mouse
    214  1.9.8.2  nathanw 
    215  1.9.8.2  nathanw ## Tadpole 3GX/3XL have a builtin modem that emulates a NS16450.
    216  1.9.8.2  nathanw com*	at obio0					# sun4m (tadpole)
    217  1.9.8.2  nathanw 
    218  1.9.8.2  nathanw ## PCMCIA serial interfaces
    219  1.9.8.2  nathanw #com*	at pcmcia?
    220  1.9.8.2  nathanw #pcmcom*	at pcmcia?
    221  1.9.8.2  nathanw #com*	at pcmcom?
    222  1.9.8.2  nathanw 
    223  1.9.8.2  nathanw #### Disk controllers and disks
    224  1.9.8.2  nathanw 
    225  1.9.8.2  nathanw #
    226  1.9.8.2  nathanw 
    227  1.9.8.2  nathanw ## The following flags may be set for the NCR53c94 based esp driver:
    228  1.9.8.2  nathanw ##	bits 0-7:  disable disconnect/reselect for the corresponding target
    229  1.9.8.2  nathanw ##	bits 8-15: disable synchronous negotiation for target [bit-8]
    230  1.9.8.2  nathanw 
    231  1.9.8.2  nathanw ## sun4/300, sun4c, sun4m on-board SCSI, and FSBE/S SBus SCSI cards.
    232  1.9.8.2  nathanw ## Both `dma' and `esp' are needed in all cases.
    233  1.9.8.2  nathanw ## Two kinds of additional SBus SCSI interfaces are available.  One uses
    234  1.9.8.2  nathanw ## "esp at sbus" like the sun4c on-board; the other uses "esp at dma".
    235  1.9.8.2  nathanw 
    236  1.9.8.2  nathanw ## sun4/300 SCSI - an NCR53c94 or equivalent behind
    237  1.9.8.2  nathanw ## an LSI Logic DMA controller
    238  1.9.8.2  nathanw 
    239  1.9.8.2  nathanw dma0	at sbus0 slot ? offset ?			# sun4c/sun4m
    240  1.9.8.2  nathanw esp0	at dma0 flags 0x0000				# sun4m
    241  1.9.8.2  nathanw 
    242  1.9.8.2  nathanw scsibus* at esp?
    243  1.9.8.2  nathanw 
    244  1.9.8.2  nathanw ## PCMCIA SCSI controllers
    245  1.9.8.2  nathanw #aic*	at pcmcia?
    246  1.9.8.2  nathanw #scsibus* at aic?
    247  1.9.8.2  nathanw 
    248  1.9.8.2  nathanw ## These entries find devices on all SCSI busses and assign
    249  1.9.8.2  nathanw ## unit numbers dynamically.
    250  1.9.8.2  nathanw sd*	at scsibus? target ? lun ?		# SCSI disks
    251  1.9.8.2  nathanw st*	at scsibus? target ? lun ?		# SCSI tapes
    252  1.9.8.2  nathanw cd*	at scsibus? target ? lun ?		# SCSI CD-ROMs
    253  1.9.8.2  nathanw ch*	at scsibus? target ? lun ?		# SCSI changer devices
    254  1.9.8.2  nathanw ss*	at scsibus? target ? lun ?		# SCSI scanners
    255  1.9.8.2  nathanw uk*	at scsibus? target ? lun ?		# unknown SCSI
    256  1.9.8.2  nathanw 
    257  1.9.8.2  nathanw ## PCMCIA IDE controllers
    258  1.9.8.2  nathanw #wdc*	at pcmcia?
    259  1.9.8.2  nathanw #wd*	at wdc?
    260  1.9.8.2  nathanw 
    261  1.9.8.2  nathanw ## A disk-like interface to files.  Can be used to create floppy, CD,
    262  1.9.8.2  nathanw ## miniroot images, etc.
    263  1.9.8.2  nathanw 
    264  1.9.8.2  nathanw pseudo-device	vnd	4
    265  1.9.8.2  nathanw 
    266  1.9.8.2  nathanw ## Memory disk device, used on boot floppies with compressed
    267  1.9.8.2  nathanw ## kernel-plus-root-disk images.
    268  1.9.8.2  nathanw 
    269  1.9.8.2  nathanw #pseudo-device	md	1
    270  1.9.8.2  nathanw 
    271  1.9.8.2  nathanw 
    272  1.9.8.2  nathanw #### Network interfaces
    273  1.9.8.2  nathanw 
    274  1.9.8.2  nathanw ## LANCE Ethernet - an AMD 7990 LANCE behind specialized DMA glue
    275  1.9.8.2  nathanw ## Three flavors of additional SBus ethernets are available.  One attaches
    276  1.9.8.2  nathanw ## directly like the sun4c on-board, one uses the ledma device like the
    277  1.9.8.2  nathanw ## sun4m on-board, and one uses the lebuffer device.
    278  1.9.8.2  nathanw 
    279  1.9.8.2  nathanw ledma0		at sbus0 slot ? offset ?		# sun4m on-board
    280  1.9.8.2  nathanw le0		at ledma0				# sun4m on-board
    281  1.9.8.2  nathanw 
    282  1.9.8.2  nathanw # PCMCIA ethernet devices
    283  1.9.8.2  nathanw #ep*	at pcmcia?
    284  1.9.8.2  nathanw #mbe*	at pcmcia?
    285  1.9.8.2  nathanw #ne*	at pcmcia?
    286  1.9.8.2  nathanw #sm*	at pcmcia?
    287  1.9.8.2  nathanw 
    288  1.9.8.2  nathanw ## Loopback network interface; required
    289  1.9.8.2  nathanw pseudo-device	loop
    290  1.9.8.2  nathanw 
    291  1.9.8.2  nathanw ## PPP, the successor to SLIP.  See pppd(8).
    292  1.9.8.2  nathanw pseudo-device	ppp		2
    293  1.9.8.2  nathanw 
    294  1.9.8.2  nathanw ## Network "tunnel" device, allowing protocol stacks to run in the userland.
    295  1.9.8.2  nathanw ## This is used by the third-party user-mode "ppp" program, and others.
    296  1.9.8.2  nathanw pseudo-device	tun		4
    297  1.9.8.2  nathanw 
    298  1.9.8.2  nathanw ## Generic L3 over IP tunnel
    299  1.9.8.2  nathanw #pseudo-device	gre		2	# generic L3 over IP tunnel
    300  1.9.8.2  nathanw 
    301  1.9.8.2  nathanw ## Berkeley Packet Filter, required to run RARPD.  A generic C-language
    302  1.9.8.2  nathanw ## interface that allows selective examining of incoming packets.
    303  1.9.8.2  nathanw pseudo-device	bpfilter	16
    304  1.9.8.2  nathanw 
    305  1.9.8.2  nathanw ## IP Filter, used in firewall and NAT applications.  See ipnat(8) for
    306  1.9.8.2  nathanw ## one example of the use of the IP Filter.
    307  1.9.8.2  nathanw pseudo-device	ipfilter
    308  1.9.8.2  nathanw 
    309  1.9.8.2  nathanw 
    310  1.9.8.2  nathanw #### Audio and video devices
    311  1.9.8.2  nathanw 
    312  1.9.8.2  nathanw ## /dev/audio support (`audioamd' plus `audio')
    313  1.9.8.2  nathanw ##
    314  1.9.8.2  nathanw # The Tadpole 3GX audio is accessed through the ISDN chip which
    315  1.9.8.2  nathanw # is not currently supported.
    316  1.9.8.2  nathanw 
    317  1.9.8.2  nathanw # Tadpole 3GX/3GS (P9100 -- P Nine One Zero Zero -> pnozz)
    318  1.9.8.2  nathanw pnozz0 at sbus? slot ? offset ?
    319  1.9.8.2  nathanw 
    320  1.9.8.2  nathanw #### Other device configuration
    321  1.9.8.2  nathanw 
    322  1.9.8.2  nathanw # Tadpole microcontroller
    323  1.9.8.2  nathanw tctrl0 at obio0
    324  1.9.8.2  nathanw 
    325  1.9.8.2  nathanw ## Pseudo ttys, required for network logins and programs like screen.
    326  1.9.8.2  nathanw 
    327  1.9.8.2  nathanw pseudo-device	pty			# pseudo-ttys (for network, etc.)
    328  1.9.8.2  nathanw 
    329  1.9.8.2  nathanw ## Random device, used to implement /dev/random (a source of random noise),
    330  1.9.8.2  nathanw ## and generate randomness for some kernel formulae.
    331  1.9.8.2  nathanw 
    332  1.9.8.2  nathanw pseudo-device	rnd
    333  1.9.8.5  nathanw 
    334  1.9.8.5  nathanw pseudo-device	clockctl		# user control of clock subsystem
    335