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GENERIC revision 1.101
      1  1.101    itojun # $NetBSD: GENERIC,v 1.101 2004/06/22 14:09:50 itojun Exp $
      2    1.1  jonathan #
      3   1.58  gmcgarry # GENERIC machine description file
      4   1.58  gmcgarry # 
      5   1.58  gmcgarry # This machine description file is used to generate the default NetBSD
      6   1.58  gmcgarry # kernel.  The generic kernel does not include all options, subsystems
      7   1.58  gmcgarry # and device drivers, but should be useful for most applications.
      8    1.1  jonathan #
      9   1.58  gmcgarry # The machine description file can be customised for your specific
     10   1.58  gmcgarry # machine to reduce the kernel size and improve its performance.
     11   1.58  gmcgarry #
     12   1.58  gmcgarry # For further information on compiling NetBSD kernels, see the config(8)
     13   1.58  gmcgarry # man page.
     14   1.58  gmcgarry #
     15   1.58  gmcgarry # For further information on hardware support for this architecture, see
     16   1.58  gmcgarry # the intro(4) man page.  For further information about kernel options
     17   1.58  gmcgarry # for this architecture, see the options(4) man page.  For an explanation
     18   1.58  gmcgarry # of each device driver in this file see the section 4 man page for the
     19   1.58  gmcgarry # device.
     20    1.1  jonathan 
     21   1.23      soda include		"arch/arc/conf/std.arc"
     22   1.24      soda 
     23   1.68    atatat options 	INCLUDE_CONFIG_FILE	# embed config file in kernel binary
     24   1.68    atatat 
     25  1.101    itojun #ident		"GENERIC-$Revision: 1.101 $"
     26    1.1  jonathan 
     27   1.27      soda maxusers	32		# estimated number of users
     28   1.27      soda 
     29   1.45      soda # Platform support
     30   1.86   tsutsui options 	PLATFORM_ACER_PICA_61		# PICA, NEC ImageRISCstation
     31   1.87   tsutsui options 	PLATFORM_DESKTECH_ARCSTATION_I	# DeskStation rPC44
     32   1.87   tsutsui options 	PLATFORM_DESKTECH_TYNE		# DeskStation Tyne
     33   1.45      soda options 	PLATFORM_MICROSOFT_JAZZ		# MIPS Magnum
     34   1.77   tsutsui options 	PLATFORM_NEC_J96A		# NEC Express 5800/240 EISA R4K
     35   1.45      soda options 	PLATFORM_NEC_JC94		# NEC Express 5800/230 PCI R4K
     36   1.45      soda options 	PLATFORM_NEC_R94		# NEC RISCstation 2200 EISA
     37   1.56     lukem options 	PLATFORM_NEC_R96	# NEC Express RISCserver, RISCserver 2200
     38   1.45      soda options 	PLATFORM_NEC_RAX94		# NEC RISCstation 2200 PCI
     39   1.45      soda options 	PLATFORM_NEC_RD94		# NEC RISCstation 2250
     40   1.45      soda options 	PLATFORM_SNI_RM200PCI
     41   1.45      soda 
     42   1.27      soda # Standard system options
     43    1.1  jonathan 
     44   1.23      soda options 	RTC_OFFSET=0	# hardware clock is this many mins. west of GMT
     45   1.27      soda options 	NTP		# NTP phase/frequency locked loop
     46    1.1  jonathan 
     47   1.27      soda options 	KTRACE		# system call tracing via ktrace(1)
     48   1.73    provos options 	SYSTRACE	# system call vetting via systrace(1)
     49    1.1  jonathan 
     50   1.10     lukem options 	SYSVMSG		# System V-like message queues
     51   1.10     lukem options 	SYSVSEM		# System V-like semaphores
     52   1.56     lukem #options 	SEMMNI=10	# number of semaphore identifiers
     53   1.56     lukem #options 	SEMMNS=60	# number of semaphores in system
     54   1.56     lukem #options 	SEMUME=10	# max number of undo entries per process
     55   1.56     lukem #options 	SEMMNU=30	# number of undo structures in system
     56   1.10     lukem options 	SYSVSHM		# System V-like memory sharing
     57   1.27      soda #options 	SHMMAXPGS=1024	# 1024 pages is the default
     58   1.27      soda 
     59   1.27      soda options 	LKM		# loadable kernel modules
     60   1.61  jdolecek 
     61   1.70     lukem options 	USERCONF	# userconf(4) support
     62   1.81   tsutsui #options 	PIPE_SOCKETPAIR	# smaller, but slower pipe(2)
     63   1.75  junyoung 
     64   1.76       wiz # Enable experimental buffer queue strategy for better responsiveness under 
     65   1.75  junyoung # high disk I/O load. Use it with caution - it's not proven to be stable yet.
     66   1.75  junyoung #options 	NEW_BUFQ_STRATEGY
     67   1.27      soda 
     68   1.27      soda # Diagnostic/debugging support options
     69   1.55     lukem options 	DIAGNOSTIC		# cheap kernel consistency checks
     70   1.55     lukem #options 	DEBUG			# expensive debugging checks/support
     71   1.55     lukem #options 	KMEMSTATS		# kernel memory statistics (vmstat -m)
     72   1.55     lukem options 	DDB			# in-kernel debugger
     73   1.27      soda #options 	DDB_HISTORY_SIZE=100	# enable history editing in DDB
     74   1.55     lukem #options 	KGDB			# remote gdb
     75   1.55     lukem #options 	KGDB_DEVRATE=19200	# kernel gdb port rate (default 9600)
     76   1.55     lukem #options 	KGDB_DEV="17*256+0"	# device for kernel gdb
     77   1.55     lukem #makeoptions	DEBUG="-g"		# compile full symbol table
     78   1.81   tsutsui options 	SYMTAB_SPACE=262144
     79   1.27      soda 
     80   1.27      soda # Compatibility options
     81   1.47       abs #options 	TCP_COMPAT_42	# 4.2BSD TCP/IP bug compat. Not recommended.
     82   1.27      soda options 	COMPAT_10	# NetBSD 1.0,
     83   1.27      soda options 	COMPAT_11	# NetBSD 1.1,
     84   1.27      soda options 	COMPAT_12	# NetBSD 1.2,
     85   1.27      soda options 	COMPAT_13	# NetBSD 1.3,
     86   1.27      soda options 	COMPAT_14	# NetBSD 1.4,
     87   1.92   tsutsui options 	COMPAT_16	# NetBSD 1.6,
     88   1.27      soda options 	COMPAT_43	# and 4.3BSD
     89   1.27      soda options 	COMPAT_386BSD_MBRPART # recognize old partition ID
     90   1.27      soda 
     91   1.27      soda # mipsel specific
     92   1.27      soda options 	COMPAT_ULTRIX	# Ultrix binary compatibility
     93   1.27      soda options 	EXEC_ECOFF	# Ultrix RISC binaries are ECOFF format
     94    1.1  jonathan 
     95   1.27      soda # File systems
     96    1.6   thorpej file-system 	FFS		# fast filesystem
     97   1.27      soda file-system 	EXT2FS		# second extended file system (linux)
     98   1.27      soda file-system 	LFS		# log-structured file system
     99   1.27      soda file-system 	MFS		# memory file system
    100   1.27      soda file-system 	NTFS		# Windows/NT file system (experimental)
    101   1.23      soda file-system 	CD9660		# ISO 9660 + Rock Ridge file system
    102   1.27      soda file-system 	MSDOSFS		# MS-DOS file system
    103   1.27      soda file-system 	NFS		# Network File System client
    104   1.27      soda file-system 	FDESC		# /dev/fd
    105   1.27      soda file-system 	KERNFS		# /kern
    106   1.27      soda file-system 	NULLFS		# loopback file system
    107   1.27      soda file-system 	OVERLAY		# overlay file system
    108   1.27      soda file-system 	PORTAL		# portal filesystem (still experimental)
    109   1.27      soda file-system 	PROCFS		# /proc
    110   1.27      soda file-system 	UMAPFS		# NULLFS + uid and gid remapping
    111   1.27      soda file-system 	UNION		# union file system
    112   1.27      soda #file-system	CODA		# Coda File System; also needs vcoda (below)
    113    1.6   thorpej 
    114   1.27      soda # File system options
    115   1.10     lukem options 	QUOTA		# FFS quotas
    116   1.27      soda #options 	FFS_EI		# FFS Endian Independent support
    117   1.34      fvdl options 	SOFTDEP		# FFS soft updates support.
    118   1.27      soda options 	NFSSERVER	# Network File System server
    119   1.27      soda #options 	EXT2FS_SYSTEM_FLAGS # makes ext2fs file flags (append and
    120   1.27      soda 				# immutable) behave as system flags.
    121   1.20    itojun 
    122    1.1  jonathan # Networking options
    123   1.23      soda #options 	GATEWAY		# IP packet forwarding
    124   1.27      soda options 	INET		# IP + ICMP + TCP + UDP
    125   1.27      soda options 	INET6		# IPV6
    126   1.20    itojun #options 	IPSEC		# IP security
    127   1.20    itojun #options 	IPSEC_ESP	# IP security (encryption part; define w/IPSEC)
    128   1.20    itojun #options 	IPSEC_DEBUG	# debug for IP security
    129   1.27      soda #options 	MROUTING	# IP multicast routing
    130   1.27      soda options 	NS		# XNS
    131   1.27      soda #options 	NSIP		# XNS tunneling over IP
    132   1.27      soda options 	ISO,TPIP	# OSI networking
    133   1.36  sommerfe #options 	EON		# OSI tunneling over IP
    134   1.27      soda options 	CCITT,LLC,HDLC	# X.25
    135   1.27      soda options 	NETATALK	# AppleTalk networking protocols
    136   1.27      soda options 	PPP_BSDCOMP	# BSD-Compress compression support for PPP
    137   1.27      soda options 	PPP_DEFLATE	# Deflate compression support for PPP
    138   1.27      soda options 	PPP_FILTER	# Active filter support for PPP (requires bpf)
    139   1.27      soda options 	PFIL_HOOKS	# pfil(9) packet filter hooks
    140   1.27      soda options 	IPFILTER_LOG	# ipmon(8) log support
    141   1.72    martti #options 	IPFILTER_DEFAULT_BLOCK	# block all packets by default
    142   1.47       abs #options 	TCP_DEBUG	# Record last TCP_NDEBUG packets with SO_DEBUG
    143   1.27      soda 
    144   1.27      soda # These options enable verbose messages for several subsystems.
    145   1.27      soda # Warning, these may compile large string tables into the kernel!
    146   1.27      soda #options 	EISAVERBOSE	# verbose EISA device autoconfig messages
    147   1.79   tsutsui options 	MIIVERBOSE	# verbose PHY autoconfig messages
    148   1.31      soda options 	PCIVERBOSE	# verbose PCI device autoconfig messages
    149   1.28       cgd #options 	PCI_CONFIG_DUMP	# verbosely dump PCI config space
    150   1.27      soda options 	SCSIVERBOSE	# human readable SCSI error messages
    151   1.37        ur 
    152   1.37        ur # wscons terminal emulation
    153   1.37        ur options 	WSEMUL_VT100	# VT100 emulation
    154   1.23      soda 
    155   1.25      soda # Kernel root file system and dump configuration.
    156   1.27      soda options 	NFS_BOOT_DHCP,NFS_BOOT_BOOTPARAM
    157   1.27      soda config		netbsd	root on ? type ?
    158   1.27      soda #config		netbsd	root on sd0a type ffs
    159   1.27      soda #config		netbsd	root on ? type nfs
    160    1.1  jonathan 
    161   1.23      soda #
    162   1.27      soda # Device configuration
    163   1.23      soda #
    164   1.27      soda 
    165    1.1  jonathan mainbus0	at root
    166    1.1  jonathan cpu*		at mainbus0
    167    1.1  jonathan 
    168   1.41        ur #### Jazz-Internal bus devices
    169   1.23      soda 
    170   1.45      soda # PLATFORM_ACER_PICA_61
    171   1.45      soda # PLATFORM_MICROSOFT_JAZZ
    172   1.77   tsutsui # PLATFORM_NEC_J96A
    173   1.45      soda # PLATFORM_NEC_JC94
    174   1.45      soda # PLATFORM_NEC_R94
    175   1.45      soda # PLATFORM_NEC_R96
    176   1.45      soda # PLATFORM_NEC_RAX94
    177   1.45      soda # PLATFORM_NEC_RD94
    178   1.45      soda jazzio*		at mainbus0	# Jazz-Internal bus host bridge.
    179   1.45      soda 
    180   1.45      soda timer0		at jazzio?
    181   1.45      soda mcclock0 	at jazzio?
    182   1.41        ur #pc0		at jazzio?
    183   1.41        ur #opms0		at jazzio?
    184   1.41        ur vga0		at jazzio?	# Jazz localbus VGA
    185   1.41        ur pckbc0		at jazzio?	# PC keyboard controller
    186   1.41        ur com0		at jazzio?
    187   1.41        ur com1		at jazzio?
    188   1.41        ur lpt0		at jazzio?
    189   1.41        ur sn0		at jazzio?
    190    1.1  jonathan 
    191   1.41        ur fdc0		at jazzio?
    192    1.1  jonathan fd*		at fdc? drive ?
    193    1.1  jonathan 
    194   1.85   tsutsui asc0		at jazzio? flags 0x000000	# NCR53C9x SCSI
    195   1.83   tsutsui osiop*		at jazzio? flags 0x00000	# NCR53C710 SCSI
    196   1.83   tsutsui oosiop* 	at jazzio?			# NCR53C700 SCSI
    197   1.33      soda 
    198   1.27      soda #### ISA bus devices
    199   1.23      soda 
    200   1.45      soda # PLATFORM_ACER_PICA_61
    201   1.45      soda # PLATFORM_MICROSOFT_JAZZ
    202   1.77   tsutsui # PLATFORM_NEC_J96A
    203   1.45      soda # PLATFORM_NEC_R94
    204   1.45      soda # PLATFORM_NEC_R96
    205   1.45      soda jazzisabr*	at mainbus0	# Jazz-(E)ISA bus bridge.
    206   1.45      soda isa*		at jazzisabr?
    207   1.45      soda 
    208   1.45      soda # PLATFORM_DESKTECH_ARCSTATION_I
    209   1.87   tsutsui arcsisabr*	at mainbus0	# DeskStation rPC44 ISA host bridge.
    210   1.45      soda isa*		at arcsisabr?
    211   1.45      soda 
    212   1.45      soda # PLATFORM_DESKTECH_TYNE
    213   1.87   tsutsui tyneisabr*	at mainbus0	# DeskStation Tyne ISA host bridge.
    214   1.45      soda isa*		at tyneisabr?
    215   1.45      soda 
    216   1.27      soda #isadma0 	at isa?
    217   1.23      soda 
    218   1.90   tsutsui isapnp0 	at isa?
    219   1.90   tsutsui 
    220   1.45      soda timer0		at isa? port 0x40 irq 0
    221   1.45      soda mcclock0 	at isa? port 0x70
    222   1.23      soda 
    223   1.88   tsutsui #pc0		at isa? irq 1			# generic PC console device
    224   1.88   tsutsui #opms0		at isa? irq 12			# PS/2 auxiliary port mouse
    225   1.80   tsutsui vga0		at isa?
    226   1.80   tsutsui #options 	VGA_RASTERCONSOLE
    227   1.80   tsutsui options 	VGA_RESET
    228   1.88   tsutsui pckbc0		at isa?				# PC keyboard controller
    229   1.23      soda com0		at isa? port 0x3f8 irq 4
    230   1.23      soda com1		at isa? port 0x2f8 irq 3
    231   1.23      soda com2		at isa? port 0x3e8 irq 4
    232   1.23      soda com3		at isa? port 0x2e8 irq 3
    233   1.27      soda ast0		at isa? port 0x1a0 irq 3	# AST 4-port serial cards
    234   1.27      soda com*		at ast? slave ?
    235   1.27      soda 
    236   1.27      soda # Joystick driver. Probe is a little strange; add only if you have one.
    237   1.27      soda #joy0		at isa? port 0x201
    238   1.23      soda 
    239   1.23      soda # ISA ST506, ESDI, and IDE controllers
    240   1.23      soda # Use flags 0x01 if you want to try to use 32bits data I/O (the driver will
    241   1.23      soda # fall back to 16bits I/O if 32bits I/O are not functional).
    242   1.23      soda # Some controllers pass the initial 32bit test, but will fail later.
    243   1.90   tsutsui wdc0		at isa? port 0x1f0 irq 14 flags 0x00
    244   1.27      soda #wdc1		at isa? port 0x170 irq 15 flags 0x00
    245   1.90   tsutsui wdc*		at isapnp?
    246   1.23      soda 
    247   1.27      soda # ISA parallel printer interfaces
    248   1.27      soda lpt0		at isa? port 0x378 irq 7
    249   1.27      soda 
    250   1.27      soda # ISA network interfaces
    251   1.27      soda #ec0		at isa? port 0x250 iomem 0xd8000 irq 9	# 3Com 3c503 Ethernet
    252   1.90   tsutsui ep*		at isa? port ? irq ?		# 3C509 ethernet cards
    253   1.90   tsutsui ep*		at isapnp?			# 3C509B ethernet card
    254   1.90   tsutsui ne0		at isa? port 0x280 irq 9	# NE[12]000 ethernet cards
    255   1.90   tsutsui ne1		at isa? port 0x300 irq 10
    256   1.90   tsutsui ne*		at isapnp?			# NE[12]000 PnP ethernet
    257   1.90   tsutsui we0		at isa? port 0x280 iomem 0xd0000 irq 9	# WD/SMC Ethernet
    258   1.90   tsutsui we1		at isa? port 0x300 iomem 0xcc000 irq 10
    259   1.23      soda 
    260   1.27      soda # XXX - should be configured
    261   1.27      soda #btl0		at isa? port 0x330 irq ? drq ?
    262   1.23      soda 
    263   1.27      soda #### PCI bus devices
    264   1.23      soda 
    265   1.45      soda # PLATFORM_NEC_JC94
    266   1.45      soda # PLATFORM_NEC_RAX94
    267   1.45      soda # PLATFORM_NEC_RD94
    268   1.31      soda necpb*		at mainbus0	# NEC RISCstation PCI host bridge.
    269   1.31      soda pci*		at necpb?
    270   1.23      soda 
    271   1.98  jonathan # PCI cryptographic devices
    272   1.98  jonathan hifn*	at pci? dev ? function ?	# Hifn 7755/7811/795x
    273   1.98  jonathan ubsec*	at pci? dev ? function ?	# Broadcom 5501/5601/580x/582x
    274   1.98  jonathan 
    275   1.80   tsutsui #vga*	 	at pci? dev ? function ?
    276   1.43   tsutsui tga*		at pci? dev ? function ?	# DEC ZLXp-E[123] Graphics
    277   1.43   tsutsui 
    278   1.43   tsutsui ahc*		at pci? dev ? function ?	# Adaptec [23]94x, aic78x0 SCSI
    279   1.44   tsutsui iha*		at pci? dev ? function ?	# Initio INIC-940/950 SCSI
    280   1.52   tsutsui pcscp*		at pci? dev ? function ?	# AMD Am53c974 PCscsi-PCI SCSI
    281   1.51   tsutsui siop*		at pci? dev ? function ?	# NCR/Symbios 53c8xx SCSI
    282   1.91    bouyer esiop*		at pci? dev ? function ?	# NCR/Symbios 53c875/95/1010
    283   1.53   tsutsui trm*		at pci? dev ? function ?	# Tekram DC-395/315 SCSI
    284   1.31      soda 
    285   1.31      soda # PCI IDE controllers - see pciide(4) for supported hardware.
    286   1.31      soda # The 0x0001 flag force the driver to use DMA, even if the driver doesn't know
    287   1.31      soda # how to set up DMA modes for this chip. This may work, or may cause
    288   1.31      soda # a machine hang with some controllers.
    289   1.94    bouyer pciide* 	at pci? dev ? function ? flags 0x0000	# GENERIC pciide driver
    290   1.94    bouyer acardide*	at pci? dev ? function ?	# Acard IDE controllers
    291   1.95   tsutsui #aceride* 	at pci? dev ? function ?	# Acer Lab IDE controllers
    292   1.97   thorpej artsata*	at pci? dev ? function ?	# Intel i31244 SATA controller
    293   1.94    bouyer cmdide* 	at pci? dev ? function ?	# CMD tech IDE controllers
    294   1.94    bouyer cypide* 	at pci? dev ? function ?	# Cypress IDE controllers
    295   1.94    bouyer hptide* 	at pci? dev ? function ?	# Triones/HighPoint IDE controllers
    296   1.94    bouyer optiide* 	at pci? dev ? function ?	# Opti IDE controllers
    297   1.95   tsutsui #piixide* 	at pci? dev ? function ?	# Intel IDE controllers
    298   1.94    bouyer pdcide* 	at pci? dev ? function ?	# Promise IDE controllers
    299   1.96   thorpej satalink*	at pci? dev ? function ?	# SiI SATALink controllers
    300   1.95   tsutsui #siside* 	at pci? dev ? function ?	# SiS IDE controllers
    301   1.94    bouyer slide*  	at pci? dev ? function ?	# Symphony Labs IDE controllers
    302   1.95   tsutsui #viaide* 	at pci? dev ? function ?	# VIA/AMD/Nvidia IDE controllers
    303   1.95   tsutsui 
    304   1.95   tsutsui epic*		at pci? dev ? function ?	# SMC EPIC/100 Ethernet
    305   1.95   tsutsui ex*		at pci? dev ? function ?	# 3Com 90x[BC]
    306   1.95   tsutsui fxp*		at pci? dev ? function ?	# Intel EtherExpress PRO
    307   1.95   tsutsui ne*		at pci? dev ? function ?	# NE2000-compatible
    308   1.95   tsutsui pcn*		at pci? dev ? function ?	# AMD PCnet-PCI Ethernet
    309   1.95   tsutsui rtk*		at pci? dev ? function ?	# Realtek 8129/8139
    310   1.95   tsutsui sip*		at pci? dev ? function ?	# SiS 900/DP83815 Ethernet
    311   1.95   tsutsui tlp*		at pci? dev ? function ?	# DECchip 21x4x and clones
    312   1.31      soda 
    313   1.31      soda #### MII/PHY support
    314   1.31      soda 
    315   1.31      soda exphy*		at mii? phy ?		# 3Com internal PHYs
    316   1.62       wiz icsphy*		at mii? phy ?		# Integrated Circuit Systems ICS189x
    317   1.31      soda inphy*		at mii? phy ?		# Intel 82555 PHYs
    318   1.31      soda iophy*		at mii? phy ?		# Intel 82553 PHYs
    319   1.31      soda lxtphy*		at mii? phy ?		# Level One LXT-970 PHYs
    320   1.31      soda nsphy*		at mii? phy ?		# NS83840 PHYs
    321   1.31      soda nsphyter*	at mii? phy ?		# NS83843 PHYs
    322   1.31      soda qsphy*		at mii? phy ?		# Quality Semiconductor QS6612 PHYs
    323   1.31      soda sqphy*		at mii? phy ?		# Seeq 80220/80221/80223 PHYs
    324   1.31      soda tlphy*		at mii? phy ?		# ThunderLAN PHYs
    325   1.31      soda tqphy*		at mii? phy ?		# TDK Semiconductor PHYs
    326   1.31      soda ukphy*		at mii? phy ?		# generic unknown PHYs
    327   1.31      soda 
    328   1.95   tsutsui # SCSI bus support
    329   1.95   tsutsui scsibus*	at scsi?
    330   1.95   tsutsui 
    331   1.27      soda #### SCSI bus devices
    332   1.23      soda 
    333    1.1  jonathan sd*		at scsibus? target ? lun ?
    334    1.1  jonathan st*		at scsibus? target ? lun ?
    335    1.1  jonathan cd*		at scsibus? target ? lun ?
    336   1.23      soda ch*		at scsibus? target ? lun ?
    337   1.23      soda ss*		at scsibus? target ? lun ?
    338   1.23      soda uk*		at scsibus? target ? lun ?
    339   1.95   tsutsui 
    340   1.95   tsutsui # ATA (IDE) bus support
    341   1.95   tsutsui atabus* 	at ata?
    342   1.95   tsutsui 
    343   1.95   tsutsui # IDE drives
    344   1.95   tsutsui # Flags are used only with controllers that support DMA operations
    345   1.95   tsutsui # and mode settings (e.g. some pciide controllers)
    346   1.95   tsutsui # The lowest order four bits (rightmost digit) of the flags define the PIO
    347   1.95   tsutsui # mode to use, the next set of four bits the DMA mode and the third set the
    348   1.95   tsutsui # UltraDMA mode. For each set of four bits, the 3 lower bits define the mode
    349   1.95   tsutsui # to use, and the last bit must be 1 for this setting to be used.
    350   1.95   tsutsui # For DMA and UDMA, 0xf (1111) means 'disable'.
    351   1.95   tsutsui # 0x0fac means 'use PIO mode 4, DMA mode 2, disable UltraDMA'.
    352   1.95   tsutsui # (0xc=1100, 0xa=1010, 0xf=1111)
    353   1.95   tsutsui # 0x0000 means "use whatever the drive claims to support".
    354   1.95   tsutsui wd*		at atabus? drive ? flags 0x0000
    355   1.95   tsutsui 
    356   1.95   tsutsui # ATAPI bus support
    357   1.95   tsutsui atapibus*	at atapi?
    358   1.31      soda 
    359   1.31      soda #### ATAPI bus devices
    360   1.31      soda 
    361   1.31      soda # flags have the same meaning as for IDE drives.
    362   1.31      soda cd*		at atapibus? drive ? flags 0x0000	# ATAPI CD-ROM drives
    363   1.31      soda sd*		at atapibus? drive ? flags 0x0000	# ATAPI disk drives
    364   1.31      soda uk*		at atapibus? drive ? flags 0x0000	# ATAPI unknown
    365   1.33      soda 
    366   1.33      soda #### Workstation Console attachments
    367   1.33      soda 
    368   1.33      soda wsdisplay*	at vga?
    369   1.33      soda wsdisplay*	at tga?
    370   1.33      soda pckbd*		at pckbc?	# PC keyboard (kbd port)
    371   1.33      soda wskbd*		at pckbd?
    372   1.33      soda pms*		at pckbc?	# PS/2-style mouse (aux port)
    373   1.33      soda wsmouse*	at pms?
    374   1.23      soda 
    375   1.27      soda #### Pseudo devices
    376    1.1  jonathan 
    377   1.98  jonathan pseudo-device 	crypto			# opencrypto framework
    378   1.98  jonathan 
    379   1.27      soda # disk/mass storage pseudo-devices
    380   1.27      soda pseudo-device	ccd		4	# concatenated/striped disk devices
    381   1.74     elric #pseudo-device	cgd		4	# cryptographic disk devices
    382   1.60     oster pseudo-device	raid		8	# RAIDframe disk driver
    383   1.60     oster # Options to enable various other RAIDframe RAID types.
    384   1.81   tsutsui #options 	RF_INCLUDE_EVENODD=1
    385   1.81   tsutsui #options 	RF_INCLUDE_RAID5_RS=1
    386   1.81   tsutsui #options 	RF_INCLUDE_PARITYLOGGING=1
    387   1.81   tsutsui #options 	RF_INCLUDE_CHAINDECLUSTER=1
    388   1.81   tsutsui #options 	RF_INCLUDE_INTERDECLUSTER=1
    389   1.81   tsutsui #options 	RF_INCLUDE_PARITY_DECLUSTERING=1
    390   1.81   tsutsui #options 	RF_INCLUDE_PARITY_DECLUSTERING_DS=1
    391   1.27      soda pseudo-device	md		1	# memory disk device (ramdisk)
    392   1.27      soda pseudo-device	vnd		4	# disk-like interface to files
    393   1.27      soda 
    394   1.27      soda # network pseudo-devices
    395   1.27      soda pseudo-device	bpfilter	8	# Berkeley packet filter
    396   1.27      soda pseudo-device	ipfilter		# IP filter (firewall) and NAT
    397   1.27      soda pseudo-device	loop		1	# network loopback
    398   1.27      soda pseudo-device	ppp		2	# Point-to-Point Protocol
    399   1.59    martin pseudo-device	pppoe			# PPP over Ethernet (RFC 2516)
    400   1.27      soda pseudo-device	sl		2	# Serial Line IP
    401   1.27      soda #pseudo-device	strip		2	# Starmode Radio IP (Metricom)
    402   1.27      soda pseudo-device	tun		2	# network tunneling over tty
    403   1.23      soda #pseudo-device	gre		2	# generic L3 over IP tunnel
    404   1.20    itojun pseudo-device	gif		4	# IPv[46] over IPv[46] tunnel (RFC1933)
    405   1.20    itojun #pseudo-device	faith		1	# IPv[46] tcp relay translation i/f
    406   1.29    itojun #pseudo-device	stf		1	# 6to4 IPv6 over IPv4 encapsulation
    407   1.40    bouyer pseudo-device	vlan			# IEEE 802.1q encapsulation
    408   1.57    atatat pseudo-device	bridge			# simple inter-network bridging
    409   1.82  perseant #options	BRIDGE_IPF		# bridge uses IP/IPv6 pfil hooks too
    410   1.23      soda 
    411   1.27      soda # miscellaneous pseudo-devices
    412   1.39  jdolecek pseudo-device	pty			# pseudo-terminals
    413   1.27      soda pseudo-device	tb		1	# tablet line discipline
    414   1.27      soda #pseudo-device	sequencer	1	# MIDI sequencer
    415   1.27      soda # rnd works; RND_COM does not on port arc yet.
    416   1.27      soda pseudo-device	rnd			# /dev/random and in-kernel generator
    417   1.27      soda #options 	RND_COM			# use "com" randomness as well (BROKEN)
    418   1.69     lukem pseudo-device	clockctl		# user control of clock subsystem
    419   1.27      soda 
    420   1.27      soda # a pseudo device needed for Coda	# also needs CODA (above)
    421   1.27      soda #pseudo-device	vcoda		4	# coda minicache <-> venus comm.
    422   1.27      soda 
    423   1.27      soda # mouse & keyboard multiplexor pseudo-devices
    424   1.54  augustss #pseudo-device	wsmux
    425   1.84     ragge pseudo-device	ksyms			# /dev/ksyms
    426  1.101    itojun #pseudo-device	pf			# PF packet filter
    427  1.101    itojun #pseudo-device	pflog			# PF log if
    428