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GENERIC revision 1.55
      1  1.55     lukem #	$NetBSD: GENERIC,v 1.55 2001/11/20 08:43:21 lukem Exp $
      2  1.27      soda #	$OpenBSD: GENERIC,v 1.29 1999/08/29 12:14:03 niklas Exp $
      3   1.1  jonathan #
      4  1.27      soda #	GENERIC -- everything that's currently supported
      5   1.1  jonathan #
      6   1.1  jonathan 
      7  1.23      soda include		"arch/arc/conf/std.arc"
      8  1.24      soda 
      9  1.55     lukem #ident		"GENERIC-$Revision: 1.55 $"
     10   1.1  jonathan 
     11  1.27      soda maxusers	32		# estimated number of users
     12  1.27      soda 
     13  1.45      soda # Platform support
     14  1.45      soda options 	PLATFORM_ACER_PICA_61		# Pica, NEC ImageRISCstation
     15  1.45      soda options 	PLATFORM_DESKTECH_ARCSTATION_I	# DESKstation rPC44
     16  1.45      soda options 	PLATFORM_DESKTECH_TYNE		# DESKstation Tyne
     17  1.45      soda options 	PLATFORM_MICROSOFT_JAZZ		# MIPS Magnum
     18  1.45      soda options 	PLATFORM_NEC_JC94		# NEC Express 5800/230 PCI R4K
     19  1.45      soda options 	PLATFORM_NEC_R94		# NEC RISCstation 2200 EISA
     20  1.45      soda options 	PLATFORM_NEC_R96      # NEC Express RISCserver, RISCserver 2200
     21  1.45      soda options 	PLATFORM_NEC_RAX94		# NEC RISCstation 2200 PCI
     22  1.45      soda options 	PLATFORM_NEC_RD94		# NEC RISCstation 2250
     23  1.45      soda options 	PLATFORM_SNI_RM200PCI
     24  1.45      soda 
     25  1.27      soda # Standard system options
     26   1.1  jonathan 
     27  1.23      soda options 	RTC_OFFSET=0	# hardware clock is this many mins. west of GMT
     28  1.27      soda options 	NTP		# NTP phase/frequency locked loop
     29   1.1  jonathan 
     30  1.27      soda options 	KTRACE		# system call tracing via ktrace(1)
     31   1.1  jonathan 
     32  1.10     lukem options 	SYSVMSG		# System V-like message queues
     33  1.10     lukem options 	SYSVSEM		# System V-like semaphores
     34  1.46     darcy #options	SEMMNI=10	# number of semaphore identifiers
     35  1.46     darcy #options	SEMMNS=60	# number of semaphores in system
     36  1.46     darcy #options	SEMUME=10	# max number of undo entries per process
     37  1.46     darcy #options	SEMMNU=30	# number of undo structures in system
     38  1.10     lukem options 	SYSVSHM		# System V-like memory sharing
     39  1.27      soda #options 	SHMMAXPGS=1024	# 1024 pages is the default
     40  1.27      soda 
     41  1.27      soda options 	LKM		# loadable kernel modules
     42  1.27      soda 
     43  1.27      soda # Diagnostic/debugging support options
     44  1.55     lukem options 	DIAGNOSTIC		# cheap kernel consistency checks
     45  1.55     lukem #options 	DEBUG			# expensive debugging checks/support
     46  1.55     lukem #options 	KMEMSTATS		# kernel memory statistics (vmstat -m)
     47  1.55     lukem options 	DDB			# in-kernel debugger
     48  1.27      soda #options 	DDB_HISTORY_SIZE=100	# enable history editing in DDB
     49  1.55     lukem #options 	KGDB			# remote gdb
     50  1.55     lukem #options 	KGDB_DEVRATE=19200	# kernel gdb port rate (default 9600)
     51  1.55     lukem #options 	KGDB_DEV="17*256+0"	# device for kernel gdb
     52  1.55     lukem #makeoptions	DEBUG="-g"		# compile full symbol table
     53  1.27      soda 
     54  1.27      soda # Compatibility options
     55  1.47       abs #options 	TCP_COMPAT_42	# 4.2BSD TCP/IP bug compat. Not recommended.
     56  1.27      soda options 	COMPAT_10	# NetBSD 1.0,
     57  1.27      soda options 	COMPAT_11	# NetBSD 1.1,
     58  1.27      soda options 	COMPAT_12	# NetBSD 1.2,
     59  1.27      soda options 	COMPAT_13	# NetBSD 1.3,
     60  1.27      soda options 	COMPAT_14	# NetBSD 1.4,
     61  1.27      soda options 	COMPAT_43	# and 4.3BSD
     62  1.27      soda options 	COMPAT_386BSD_MBRPART # recognize old partition ID
     63  1.27      soda 
     64  1.27      soda # mipsel specific
     65  1.27      soda options 	COMPAT_ULTRIX	# Ultrix binary compatibility
     66  1.27      soda options 	EXEC_ECOFF	# Ultrix RISC binaries are ECOFF format
     67   1.1  jonathan 
     68  1.27      soda # File systems
     69   1.6   thorpej file-system 	FFS		# fast filesystem
     70  1.27      soda file-system 	EXT2FS		# second extended file system (linux)
     71  1.27      soda file-system 	LFS		# log-structured file system
     72  1.27      soda file-system 	MFS		# memory file system
     73  1.27      soda file-system 	NTFS		# Windows/NT file system (experimental)
     74  1.23      soda file-system 	CD9660		# ISO 9660 + Rock Ridge file system
     75  1.27      soda file-system 	MSDOSFS		# MS-DOS file system
     76  1.27      soda file-system 	NFS		# Network File System client
     77  1.27      soda file-system 	FDESC		# /dev/fd
     78  1.27      soda file-system 	KERNFS		# /kern
     79  1.27      soda file-system 	NULLFS		# loopback file system
     80  1.27      soda file-system 	OVERLAY		# overlay file system
     81  1.27      soda file-system 	PORTAL		# portal filesystem (still experimental)
     82  1.27      soda file-system 	PROCFS		# /proc
     83  1.27      soda file-system 	UMAPFS		# NULLFS + uid and gid remapping
     84  1.27      soda file-system 	UNION		# union file system
     85  1.27      soda #file-system	CODA		# Coda File System; also needs vcoda (below)
     86   1.6   thorpej 
     87  1.27      soda # File system options
     88  1.10     lukem options 	QUOTA		# FFS quotas
     89  1.27      soda #options 	FFS_EI		# FFS Endian Independent support
     90  1.34      fvdl options 	SOFTDEP		# FFS soft updates support.
     91  1.27      soda options 	NFSSERVER	# Network File System server
     92  1.27      soda #options 	EXT2FS_SYSTEM_FLAGS # makes ext2fs file flags (append and
     93  1.27      soda 				# immutable) behave as system flags.
     94  1.20    itojun 
     95   1.1  jonathan # Networking options
     96  1.23      soda #options 	GATEWAY		# IP packet forwarding
     97  1.27      soda options 	INET		# IP + ICMP + TCP + UDP
     98  1.27      soda options 	INET6		# IPV6
     99  1.20    itojun #options 	IPSEC		# IP security
    100  1.20    itojun #options 	IPSEC_ESP	# IP security (encryption part; define w/IPSEC)
    101  1.20    itojun #options 	IPSEC_DEBUG	# debug for IP security
    102  1.27      soda #options 	MROUTING	# IP multicast routing
    103  1.27      soda options 	NS		# XNS
    104  1.27      soda #options 	NSIP		# XNS tunneling over IP
    105  1.27      soda options 	ISO,TPIP	# OSI networking
    106  1.36  sommerfe #options 	EON		# OSI tunneling over IP
    107  1.27      soda options 	CCITT,LLC,HDLC	# X.25
    108  1.27      soda options 	NETATALK	# AppleTalk networking protocols
    109  1.27      soda options 	PPP_BSDCOMP	# BSD-Compress compression support for PPP
    110  1.27      soda options 	PPP_DEFLATE	# Deflate compression support for PPP
    111  1.27      soda options 	PPP_FILTER	# Active filter support for PPP (requires bpf)
    112  1.27      soda options 	PFIL_HOOKS	# pfil(9) packet filter hooks
    113  1.27      soda options 	IPFILTER_LOG	# ipmon(8) log support
    114  1.47       abs #options 	TCP_DEBUG	# Record last TCP_NDEBUG packets with SO_DEBUG
    115  1.27      soda 
    116  1.27      soda # These options enable verbose messages for several subsystems.
    117  1.27      soda # Warning, these may compile large string tables into the kernel!
    118  1.27      soda #options 	EISAVERBOSE	# verbose EISA device autoconfig messages
    119  1.31      soda options 	PCIVERBOSE	# verbose PCI device autoconfig messages
    120  1.28       cgd #options 	PCI_CONFIG_DUMP	# verbosely dump PCI config space
    121  1.27      soda options 	SCSIVERBOSE	# human readable SCSI error messages
    122  1.37        ur 
    123  1.37        ur # wscons terminal emulation
    124  1.37        ur options 	WSEMUL_VT100	# VT100 emulation
    125  1.23      soda 
    126  1.25      soda # Kernel root file system and dump configuration.
    127  1.27      soda options 	NFS_BOOT_DHCP,NFS_BOOT_BOOTPARAM
    128  1.27      soda config		netbsd	root on ? type ?
    129  1.27      soda #config		netbsd	root on sd0a type ffs
    130  1.27      soda #config		netbsd	root on ? type nfs
    131   1.1  jonathan 
    132  1.23      soda #
    133  1.27      soda # Device configuration
    134  1.23      soda #
    135  1.27      soda 
    136   1.1  jonathan mainbus0	at root
    137   1.1  jonathan cpu*		at mainbus0
    138   1.1  jonathan 
    139  1.41        ur #### Jazz-Internal bus devices
    140  1.23      soda 
    141  1.45      soda # PLATFORM_ACER_PICA_61
    142  1.45      soda # PLATFORM_MICROSOFT_JAZZ
    143  1.45      soda # PLATFORM_NEC_JC94
    144  1.45      soda # PLATFORM_NEC_R94
    145  1.45      soda # PLATFORM_NEC_R96
    146  1.45      soda # PLATFORM_NEC_RAX94
    147  1.45      soda # PLATFORM_NEC_RD94
    148  1.45      soda jazzio*		at mainbus0	# Jazz-Internal bus host bridge.
    149  1.45      soda 
    150  1.45      soda timer0		at jazzio?
    151  1.45      soda mcclock0 	at jazzio?
    152  1.41        ur #pc0		at jazzio?
    153  1.41        ur #opms0		at jazzio?
    154  1.41        ur vga0		at jazzio?	# Jazz localbus VGA
    155  1.41        ur pckbc0		at jazzio?	# PC keyboard controller
    156  1.41        ur com0		at jazzio?
    157  1.41        ur com1		at jazzio?
    158  1.41        ur lpt0		at jazzio?
    159  1.41        ur sn0		at jazzio?
    160   1.1  jonathan 
    161  1.41        ur fdc0		at jazzio?
    162   1.1  jonathan fd*		at fdc? drive ?
    163   1.1  jonathan 
    164  1.42   tsutsui asc0		at jazzio?			# NCR53C9x SCSI
    165   1.1  jonathan scsibus* 	at asc?
    166   1.1  jonathan 
    167  1.42   tsutsui osiop0		at jazzio? flags 0x00000	# NCR53C710 SCSI
    168  1.42   tsutsui osiop1		at jazzio? flags 0x00000
    169  1.42   tsutsui scsibus* 	at osiop?
    170  1.42   tsutsui 
    171  1.42   tsutsui #oosiop0 	at jazzio?			# NCR53C700 SCSI
    172  1.42   tsutsui #oosiop1 	at jazzio?
    173  1.42   tsutsui #scsibus* 	at oosiop?
    174  1.33      soda 
    175  1.27      soda #### ISA bus devices
    176  1.23      soda 
    177  1.45      soda # PLATFORM_ACER_PICA_61
    178  1.45      soda # PLATFORM_MICROSOFT_JAZZ
    179  1.45      soda # PLATFORM_NEC_R94
    180  1.45      soda # PLATFORM_NEC_R96
    181  1.45      soda jazzisabr*	at mainbus0	# Jazz-(E)ISA bus bridge.
    182  1.45      soda isa*		at jazzisabr?
    183  1.45      soda 
    184  1.45      soda # PLATFORM_DESKTECH_ARCSTATION_I
    185  1.45      soda arcsisabr*	at mainbus0	# DESKstation rPC44 ISA host bridge.
    186  1.45      soda isa*		at arcsisabr?
    187  1.45      soda 
    188  1.45      soda # PLATFORM_DESKTECH_TYNE
    189  1.45      soda tyneisabr*	at mainbus0	# DESKstation Tyne ISA host bridge.
    190  1.45      soda isa*		at tyneisabr?
    191  1.45      soda 
    192  1.27      soda #isadma0 	at isa?
    193  1.23      soda 
    194  1.45      soda timer0		at isa? port 0x40 irq 0
    195  1.45      soda mcclock0 	at isa? port 0x70
    196  1.23      soda 
    197  1.45      soda pc0		at isa? irq 1			# generic PC console device
    198  1.45      soda opms0		at isa? irq 12			# PS/2 auxiliary port mouse
    199  1.33      soda #vga0		at isa?
    200  1.33      soda #pckbc0		at isa?				# PC keyboard controller
    201  1.23      soda com0		at isa? port 0x3f8 irq 4
    202  1.23      soda com1		at isa? port 0x2f8 irq 3
    203  1.23      soda com2		at isa? port 0x3e8 irq 4
    204  1.23      soda com3		at isa? port 0x2e8 irq 3
    205  1.27      soda ast0		at isa? port 0x1a0 irq 3	# AST 4-port serial cards
    206  1.27      soda com*		at ast? slave ?
    207  1.27      soda 
    208  1.27      soda # Joystick driver. Probe is a little strange; add only if you have one.
    209  1.27      soda #joy0		at isa? port 0x201
    210  1.23      soda 
    211  1.23      soda # ISA ST506, ESDI, and IDE controllers
    212  1.23      soda # Use flags 0x01 if you want to try to use 32bits data I/O (the driver will
    213  1.23      soda # fall back to 16bits I/O if 32bits I/O are not functional).
    214  1.23      soda # Some controllers pass the initial 32bit test, but will fail later.
    215  1.23      soda # XXX - should be configured
    216  1.27      soda #wdc0		at isa? port 0x1f0 irq 14 flags 0x00
    217  1.27      soda #wdc1		at isa? port 0x170 irq 15 flags 0x00
    218  1.27      soda #wdc*		at isapnp?
    219  1.23      soda 
    220  1.23      soda # IDE drives
    221  1.23      soda # Flags are used only with controllers that support DMA operations
    222  1.23      soda # and mode settings (e.g. some pciide controllers)
    223  1.23      soda # The lowest order four bits (rightmost digit) of the flags define the PIO
    224  1.23      soda # mode to use, the next set of four bits the DMA mode and the third set the
    225  1.23      soda # UltraDMA mode. For each set of four bits, the 3 lower bits define the mode
    226  1.23      soda # to use, and the last bit must be 1 for this setting to be used.
    227  1.23      soda # For DMA and UDMA, 0xf (1111) means 'disable'.
    228  1.23      soda # 0x0fac means 'use PIO mode 4, DMA mode 2, disable UltraDMA'.
    229  1.23      soda # (0xc=1100, 0xa=1010, 0xf=1111)
    230  1.23      soda # 0x0000 means "use whatever the drive claims to support".
    231  1.23      soda # XXX - should be configured
    232  1.27      soda #wd*		at wdc? channel ? drive ? flags 0x0000
    233  1.23      soda 
    234  1.23      soda # ATAPI bus support
    235  1.23      soda # XXX - should be configured
    236  1.27      soda #atapibus*	at wdc? channel ?
    237  1.23      soda 
    238  1.27      soda # ISA parallel printer interfaces
    239  1.27      soda lpt0		at isa? port 0x378 irq 7
    240  1.27      soda 
    241  1.27      soda # ISA network interfaces
    242  1.27      soda # XXX - should be configured
    243  1.27      soda #ec0		at isa? port 0x250 iomem 0xd8000 irq 9	# 3Com 3c503 Ethernet
    244  1.27      soda #ep0		at isa? port ? irq ?		# 3C509 ethernet cards
    245  1.27      soda #ne0		at isa? port 0x280 irq 9	# NE[12]000 ethernet cards
    246  1.27      soda #ne1		at isa? port 0x300 irq 10
    247  1.27      soda #ne*		at isapnp?			# NE[12]000 PnP ethernet
    248  1.27      soda #we0		at isa? port 0x280 iomem 0xd0000 irq 9	# WD/SMC Ethernet
    249  1.27      soda #we1		at isa? port 0x300 iomem 0xcc000 irq 10
    250  1.27      soda #we*		at isapnp?
    251  1.23      soda 
    252  1.27      soda # XXX - should be configured
    253  1.27      soda #btl0		at isa? port 0x330 irq ? drq ?
    254  1.27      soda #scsibus*	at btl?
    255  1.23      soda 
    256  1.27      soda #### PCI bus devices
    257  1.23      soda 
    258  1.45      soda # PLATFORM_NEC_JC94
    259  1.45      soda # PLATFORM_NEC_RAX94
    260  1.45      soda # PLATFORM_NEC_RD94
    261  1.31      soda necpb*		at mainbus0	# NEC RISCstation PCI host bridge.
    262  1.31      soda pci*		at necpb?
    263  1.23      soda 
    264  1.27      soda #pcivga* 	at pci? dev ? function ?
    265  1.43   tsutsui tga*		at pci? dev ? function ?	# DEC ZLXp-E[123] Graphics
    266  1.43   tsutsui 
    267  1.43   tsutsui ahc*		at pci? dev ? function ?	# Adaptec [23]94x, aic78x0 SCSI
    268  1.43   tsutsui scsibus*	at ahc?
    269  1.44   tsutsui 
    270  1.44   tsutsui iha*		at pci? dev ? function ?	# Initio INIC-940/950 SCSI
    271  1.44   tsutsui scsibus*	at iha?
    272  1.43   tsutsui 
    273  1.52   tsutsui pcscp*		at pci? dev ? function ?	# AMD Am53c974 PCscsi-PCI SCSI
    274  1.52   tsutsui scsibus* 	at pcscp?
    275  1.52   tsutsui 
    276  1.51   tsutsui siop*		at pci? dev ? function ?	# NCR/Symbios 53c8xx SCSI
    277  1.51   tsutsui scsibus* 	at siop?
    278  1.53   tsutsui 
    279  1.53   tsutsui trm*		at pci? dev ? function ?	# Tekram DC-395/315 SCSI
    280  1.53   tsutsui scsibus*	at trm?
    281  1.43   tsutsui 
    282  1.27      soda #de*		at pci? dev ? function ?
    283  1.52   tsutsui epic*		at pci? dev ? function ?	# SMC EPIC/100 Ethernet
    284  1.48   hubertf ex*		at pci? dev ? function ?	# 3Com 90x[BC]
    285  1.31      soda fxp*		at pci? dev ? function ?	# Intel EtherExpress PRO
    286  1.31      soda ne*		at pci? dev ? function ?	# NE2000-compatible
    287  1.52   tsutsui pcn*		at pci? dev ? function ?	# AMD PCnet-PCI Ethernet
    288  1.52   tsutsui rtk*		at pci? dev ? function ?	# Tealtek 8129/8139
    289  1.52   tsutsui sip*		at pci? dev ? function ?	# SiS 900/DP83815 Ethernet
    290  1.31      soda tlp*		at pci? dev ? function ?	# DECchip 21x4x (and clones)
    291  1.31      soda #options 	TLP_MATCH_21040
    292  1.31      soda #options 	TLP_MATCH_21041
    293  1.31      soda #options 	TLP_MATCH_21140
    294  1.31      soda #options 	TLP_MATCH_21142
    295  1.31      soda 
    296  1.31      soda # IDE and related devices
    297  1.31      soda # PCI IDE controllers - see pciide(4) for supported hardware.
    298  1.31      soda # The 0x0001 flag force the driver to use DMA, even if the driver doesn't know
    299  1.31      soda # how to set up DMA modes for this chip. This may work, or may cause
    300  1.31      soda # a machine hang with some controllers.
    301  1.31      soda pciide*		at pci ? dev ? function ? flags 0x0000
    302  1.31      soda wd*		at pciide? channel ? drive ? flags 0x0000
    303  1.31      soda atapibus*	at pciide? channel ?
    304  1.31      soda 
    305  1.31      soda #### MII/PHY support
    306  1.31      soda 
    307  1.31      soda exphy*		at mii? phy ?		# 3Com internal PHYs
    308  1.31      soda icsphy*		at mii? phy ?		# Integrated Circuit Systems ICS1890
    309  1.31      soda inphy*		at mii? phy ?		# Intel 82555 PHYs
    310  1.31      soda iophy*		at mii? phy ?		# Intel 82553 PHYs
    311  1.31      soda lxtphy*		at mii? phy ?		# Level One LXT-970 PHYs
    312  1.31      soda nsphy*		at mii? phy ?		# NS83840 PHYs
    313  1.31      soda nsphyter*	at mii? phy ?		# NS83843 PHYs
    314  1.31      soda qsphy*		at mii? phy ?		# Quality Semiconductor QS6612 PHYs
    315  1.31      soda sqphy*		at mii? phy ?		# Seeq 80220/80221/80223 PHYs
    316  1.31      soda tlphy*		at mii? phy ?		# ThunderLAN PHYs
    317  1.31      soda tqphy*		at mii? phy ?		# TDK Semiconductor PHYs
    318  1.31      soda ukphy*		at mii? phy ?		# generic unknown PHYs
    319  1.31      soda 
    320  1.27      soda #### SCSI bus devices
    321  1.23      soda 
    322   1.1  jonathan sd*		at scsibus? target ? lun ?
    323   1.1  jonathan st*		at scsibus? target ? lun ?
    324   1.1  jonathan cd*		at scsibus? target ? lun ?
    325  1.23      soda ch*		at scsibus? target ? lun ?
    326  1.23      soda ss*		at scsibus? target ? lun ?
    327  1.23      soda uk*		at scsibus? target ? lun ?
    328  1.31      soda 
    329  1.31      soda #### ATAPI bus devices
    330  1.31      soda 
    331  1.31      soda # flags have the same meaning as for IDE drives.
    332  1.31      soda cd*		at atapibus? drive ? flags 0x0000	# ATAPI CD-ROM drives
    333  1.31      soda sd*		at atapibus? drive ? flags 0x0000	# ATAPI disk drives
    334  1.31      soda uk*		at atapibus? drive ? flags 0x0000	# ATAPI unknown
    335  1.33      soda 
    336  1.33      soda #### Workstation Console attachments
    337  1.33      soda 
    338  1.33      soda wsdisplay*	at vga?
    339  1.33      soda wsdisplay*	at tga?
    340  1.33      soda pckbd*		at pckbc?	# PC keyboard (kbd port)
    341  1.33      soda wskbd*		at pckbd?
    342  1.33      soda pms*		at pckbc?	# PS/2-style mouse (aux port)
    343  1.33      soda wsmouse*	at pms?
    344  1.33      soda #pmsi*		at pckbc?	# PS/2 "Intelli"mouse (aux port)
    345  1.33      soda #wsmouse*	at pmsi?
    346  1.23      soda 
    347  1.27      soda #### Pseudo devices
    348   1.1  jonathan 
    349  1.27      soda # disk/mass storage pseudo-devices
    350  1.27      soda pseudo-device	ccd		4	# concatenated/striped disk devices
    351  1.27      soda #pseudo-device	raid		4	# RAIDframe disk driver
    352  1.27      soda pseudo-device	md		1	# memory disk device (ramdisk)
    353  1.27      soda pseudo-device	vnd		4	# disk-like interface to files
    354  1.27      soda 
    355  1.27      soda # network pseudo-devices
    356  1.27      soda pseudo-device	bpfilter	8	# Berkeley packet filter
    357  1.27      soda pseudo-device	ipfilter		# IP filter (firewall) and NAT
    358  1.27      soda pseudo-device	loop		1	# network loopback
    359  1.27      soda pseudo-device	ppp		2	# Point-to-Point Protocol
    360  1.27      soda pseudo-device	sl		2	# Serial Line IP
    361  1.27      soda #pseudo-device	strip		2	# Starmode Radio IP (Metricom)
    362  1.27      soda pseudo-device	tun		2	# network tunneling over tty
    363  1.23      soda #pseudo-device	gre		2	# generic L3 over IP tunnel
    364  1.27      soda pseudo-device	ipip		2	# IP Encapsulation within IP (RFC 2003)
    365  1.20    itojun pseudo-device	gif		4	# IPv[46] over IPv[46] tunnel (RFC1933)
    366  1.20    itojun #pseudo-device	faith		1	# IPv[46] tcp relay translation i/f
    367  1.29    itojun #pseudo-device	stf		1	# 6to4 IPv6 over IPv4 encapsulation
    368  1.40    bouyer pseudo-device	vlan			# IEEE 802.1q encapsulation
    369  1.50    atatat #pseudo-device	bridge			# simple inter-network bridging
    370  1.23      soda 
    371  1.27      soda # miscellaneous pseudo-devices
    372  1.39  jdolecek pseudo-device	pty			# pseudo-terminals
    373  1.27      soda pseudo-device	tb		1	# tablet line discipline
    374  1.27      soda #pseudo-device	sequencer	1	# MIDI sequencer
    375  1.27      soda # rnd works; RND_COM does not on port arc yet.
    376  1.27      soda pseudo-device	rnd			# /dev/random and in-kernel generator
    377  1.27      soda #options 	RND_COM			# use "com" randomness as well (BROKEN)
    378  1.27      soda 
    379  1.27      soda # a pseudo device needed for Coda	# also needs CODA (above)
    380  1.27      soda #pseudo-device	vcoda		4	# coda minicache <-> venus comm.
    381  1.27      soda 
    382  1.27      soda # mouse & keyboard multiplexor pseudo-devices
    383  1.54  augustss #pseudo-device	wsmux
    384