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GENERIC revision 1.66
      1 # $NetBSD: GENERIC,v 1.66 2005/08/19 05:19:49 christos Exp $
      2 #
      3 # GENERIC machine description file
      4 # 
      5 # This machine description file is used to generate the default NetBSD
      6 # kernel.  The generic kernel does not include all options, subsystems
      7 # and device drivers, but should be useful for most applications.
      8 #
      9 # The machine description file can be customised for your specific
     10 # machine to reduce the kernel size and improve its performance.
     11 #
     12 # For further information on compiling NetBSD kernels, see the config(8)
     13 # man page.
     14 #
     15 # For further information on hardware support for this architecture, see
     16 # the intro(4) man page.  For further information about kernel options
     17 # for this architecture, see the options(4) man page.  For an explanation
     18 # of each device driver in this file see the section 4 man page for the
     19 # device.
     20 
     21 include	"arch/amd64/conf/std.amd64"
     22 
     23 options 	INCLUDE_CONFIG_FILE	# embed config file in kernel binary
     24 
     25 #ident 		"GENERIC-$Revision: 1.66 $"
     26 
     27 maxusers	32		# estimated number of users
     28 
     29 # delay between "rebooting ..." message and hardware reset, in milliseconds
     30 #options 	CPURESET_DELAY=2000
     31 
     32 # This option allows you to force a serial console at the specified
     33 # I/O address.   see console(4) for details.
     34 #options 	CONSDEVNAME="\"com\"",CONADDR=0x2f8,CONSPEED=57600
     35 #	you don't want the option below ON iff you are using the
     36 #	serial console option of the new boot strap code.
     37 #options 	CONS_OVERRIDE	# Always use above! independent of boot info
     38 
     39 # The following options override the memory sizes passed in from the boot
     40 # block.  Use them *only* if the boot block is unable to determine the correct
     41 # values.  Note that the BIOS may *correctly* report less than 640k of base
     42 # memory if the extended BIOS data area is located at the top of base memory
     43 # (as is the case on most recent systems).
     44 #options 	REALBASEMEM=639		# size of base memory (in KB)
     45 #options 	REALEXTMEM=15360	# size of extended memory (in KB)
     46 
     47 # Standard system options
     48 
     49 options 	INSECURE	# disable kernel security levels - X needs this
     50 
     51 options 	RTC_OFFSET=0	# hardware clock is this many mins. west of GMT
     52 options 	NTP		# NTP phase/frequency locked loop
     53 
     54 options 	KTRACE		# system call tracing via ktrace(1)
     55 options 	SYSTRACE	# system call vetting via systrace(1)
     56 
     57 options 	SYSVMSG		# System V-like message queues
     58 options 	SYSVSEM		# System V-like semaphores
     59 #options 	SEMMNI=10	# number of semaphore identifiers
     60 #options 	SEMMNS=60	# number of semaphores in system
     61 #options 	SEMUME=10	# max number of undo entries per process
     62 #options 	SEMMNU=30	# number of undo structures in system
     63 options 	SYSVSHM		# System V-like memory sharing
     64 #options 	SHMMAXPGS=2048	# 2048 pages is the default
     65 options 	P1003_1B_SEMAPHORE
     66 
     67 options 	LKM		# loadable kernel modules
     68 
     69 options 	USERCONF	# userconf(4) support
     70 #options 	PIPE_SOCKETPAIR	# smaller, but slower pipe(2)
     71 options 	SYSCTL_INCLUDE_DESCR	# Include sysctl descriptions in kernel
     72 
     73 # Enable experimental buffer queue strategy for better responsiveness under 
     74 # high disk I/O load. Use it with caution - it's not proven to be stable yet.
     75 #options 	BUFQ_READPRIO
     76 #options 	BUFQ_PRIOCSCAN
     77 
     78 # Diagnostic/debugging support options
     79 #options 	DIAGNOSTIC	# expensive kernel consistency checks
     80 #options 	DEBUG		# expensive debugging checks/support
     81 #options 	KMEMSTATS	# kernel memory statistics (vmstat -m)
     82 
     83 #
     84 # Because gcc omits the frame pointer for any -O level, the line below
     85 # is needed to make backtraces in DDB work.
     86 #
     87 #makeoptions 	COPTS="-O2 -fno-omit-frame-pointer"
     88 #options 	DDB		# in-kernel debugger
     89 #options 	DDB_HISTORY_SIZE=512	# enable history editing in DDB
     90 #options 	KGDB		# remote debugger
     91 #options 	KGDB_DEVNAME="\"com\"",KGDB_DEVADDR=0x3f8,KGDB_DEVRATE=9600
     92 #makeoptions	DEBUG="-g"	# compile full symbol table
     93 
     94 # Compatibility options
     95 options 	COMPAT_15	# compatibility with NetBSD 1.5,
     96 options 	COMPAT_16	# NetBSD 1.6,
     97 options 	COMPAT_20	# NetBSD 2.0,
     98 options 	COMPAT_30	# NetBSD 3.0 compatibility.
     99 options 	COMPAT_43	# and 4.3BSD
    100 options 	COMPAT_386BSD_MBRPART # recognize old partition ID
    101 
    102 options 	COMPAT_NETBSD32
    103 options 	EXEC_ELF32
    104 options		COMPAT_BSDPTY	# /dev/[pt]ty?? ptys.
    105 
    106 # File systems
    107 file-system 	FFS		# UFS
    108 file-system 	EXT2FS		# second extended file system (linux)
    109 file-system 	LFS		# log-structured file system
    110 file-system 	MFS		# memory file system
    111 file-system 	NFS		# Network File System client
    112 file-system 	NTFS		# Windows/NT file system (experimental)
    113 file-system 	CD9660		# ISO 9660 + Rock Ridge file system
    114 file-system 	MSDOSFS		# MS-DOS file system
    115 file-system 	FDESC		# /dev/fd
    116 file-system 	KERNFS		# /kern
    117 file-system 	NULLFS		# loopback file system
    118 file-system 	OVERLAY		# overlay file system
    119 file-system 	PORTAL		# portal filesystem (still experimental)
    120 file-system 	PROCFS		# /proc
    121 file-system 	UMAPFS		# NULLFS + uid and gid remapping
    122 file-system 	UNION		# union file system
    123 file-system	CODA		# Coda File System; also needs vcoda (below)
    124 file-system	PTYFS		# /dev/pts/N support
    125 
    126 # File system options
    127 options 	QUOTA		# UFS quotas
    128 #options 	FFS_EI		# FFS Endian Independent support
    129 options 	SOFTDEP		# FFS soft updates support.
    130 #options	UFS_DIRHASH	# UFS Large Directory Hashing - Experimental
    131 options 	NFSSERVER	# Network File System server
    132 #options 	EXT2FS_SYSTEM_FLAGS # makes ext2fs file flags (append and
    133 				# immutable) behave as system flags.
    134 #options 	FFS_NO_SNAPSHOT	# ffs snapshots
    135 
    136 # Networking options
    137 #options 	GATEWAY		# packet forwarding
    138 options 	INET		# IP + ICMP + TCP + UDP
    139 options 	INET6		# IPV6
    140 #options 	IPSEC		# IP security
    141 #options 	IPSEC_ESP	# IP security (encryption part; define w/IPSEC)
    142 #options 	IPSEC_NAT_T	# IPsec NAT traversal (NAT-T)
    143 #options 	IPSEC_DEBUG	# debug for IP security
    144 #options 	MROUTING	# IP multicast routing
    145 #options 	PIM		# Protocol Independent Multicast
    146 options 	NS		# XNS
    147 #options 	NSIP		# XNS tunneling over IP
    148 options 	ISO,TPIP	# OSI
    149 #options 	EON		# OSI tunneling over IP
    150 options 	CCITT,LLC,HDLC	# X.25
    151 options 	NETATALK	# AppleTalk networking protocols
    152 options 	PPP_BSDCOMP	# BSD-Compress compression support for PPP
    153 options 	PPP_DEFLATE	# Deflate compression support for PPP
    154 options 	PPP_FILTER	# Active filter support for PPP (requires bpf)
    155 options 	PFIL_HOOKS	# pfil(9) packet filter hooks
    156 options 	IPFILTER_LOG	# ipmon(8) log support
    157 #options 	IPFILTER_DEFAULT_BLOCK	# block all packets by default
    158 #options 	TCP_DEBUG	# Record last TCP_NDEBUG packets with SO_DEBUG
    159 
    160 #options 	ALTQ		# Manipulate network interfaces' output queues
    161 #options 	ALTQ_BLUE	# Stochastic Fair Blue
    162 #options 	ALTQ_CBQ	# Class-Based Queueing
    163 #options 	ALTQ_CDNR	# Diffserv Traffic Conditioner
    164 #options 	ALTQ_FIFOQ	# First-In First-Out Queue
    165 #options 	ALTQ_FLOWVALVE	# RED/flow-valve (red-penalty-box)
    166 #options 	ALTQ_HFSC	# Hierarchical Fair Service Curve
    167 #options 	ALTQ_LOCALQ	# Local queueing discipline
    168 #options 	ALTQ_PRIQ	# Priority Queueing
    169 #options 	ALTQ_RED	# Random Early Detection
    170 #options 	ALTQ_RIO	# RED with IN/OUT
    171 #options 	ALTQ_WFQ	# Weighted Fair Queueing
    172 
    173 # These options enable verbose messages for several subsystems.
    174 # Warning, these may compile large string tables into the kernel!
    175 options		ACPIVERBOSE	# verbose ACPI configuration messages
    176 options 	MIIVERBOSE	# verbose PHY autoconfig messages
    177 options 	PCIVERBOSE	# verbose PCI device autoconfig messages
    178 #options 	PCI_CONFIG_DUMP	# verbosely dump PCI config space
    179 #options 	PCMCIAVERBOSE	# verbose PCMCIA configuration messages
    180 options 	SCSIVERBOSE	# human readable SCSI error messages
    181 options 	USBVERBOSE	# verbose USB device autoconfig messages
    182 options 	I2OVERBOSE	# verbose I2O driver messages
    183 
    184 options 	NFS_BOOT_DHCP,NFS_BOOT_BOOTPARAM
    185 
    186 #
    187 # wscons options
    188 #
    189 # builtin terminal emulations
    190 #options 	WSEMUL_SUN		# sun terminal emulation
    191 options 	WSEMUL_VT100		# VT100 / VT220 emulation
    192 # different kernel output - see dev/wscons/wsdisplayvar.h
    193 options 	WS_KERNEL_FG=WSCOL_GREEN
    194 #options 	WS_KERNEL_BG=WSCOL_BLACK
    195 # compatibility to other console drivers
    196 options 	WSDISPLAY_COMPAT_PCVT		# emulate some ioctls
    197 options 	WSDISPLAY_COMPAT_SYSCONS	# emulate some ioctls
    198 options 	WSDISPLAY_COMPAT_USL		# VT handling
    199 options 	WSDISPLAY_COMPAT_RAWKBD		# can get raw scancodes
    200 # see dev/pckbc/wskbdmap_mfii.c for implemented layouts
    201 #options 	PCKBD_LAYOUT="(KB_DE | KB_NODEAD)"
    202 # allocate a number of virtual screens at autoconfiguration time
    203 #options 	WSDISPLAY_DEFAULTSCREENS=4
    204 # use a large software cursor that doesn't blink
    205 options 	PCDISPLAY_SOFTCURSOR
    206 # modify the screen type of the console; defaults to "80x25"
    207 #options 	VGA_CONSOLE_SCREENTYPE="\"80x24\""
    208 # work around a hardware bug that loaded fonts don't work; found on ATI cards
    209 #options 	VGA_CONSOLE_ATI_BROKEN_FONTSEL
    210 # the following enables some functions to get mouse console support.
    211 # if you want a really secure system, it may be better not to enable them,
    212 # see wsmoused(8), section SECURITY CONSIDERATIONS for more info.
    213 #options 	WSDISPLAY_CHARFUNCS		# mouse console support
    214 # enable VGA raster mode capable of displaying multilingual text on console
    215 #options 	VGA_RASTERCONSOLE
    216 
    217 # Kernel root file system and dump configuration.
    218 config		netbsd	root on ? type ?
    219 #config		netbsd	root on sd0a type ffs
    220 #config		netbsd	root on ? type nfs
    221 
    222 #
    223 # Device configuration
    224 #
    225 
    226 mainbus0 at root
    227 
    228 #acpi0 		at mainbus0
    229 #options 	MPACPI
    230 #options 	MPACPI_SCANPCI		# MPBIOS configures PCI roots
    231 #options 	PCI_INTR_FIXUP		# PCI interrupt routing via ACPI
    232 #options 	ACPI_ACTIVATE_DEV	# If set, activate inactive devices
    233 #options	ACPICA_PEDANTIC		# force strict conformance to the Spec.
    234 #options	ACPI_DISABLE_ON_POWEROFF	# disable acpi on power off
    235 
    236 # ACPI devices
    237 #acpiacad* 	at acpi?		# ACPI AC Adapter
    238 #acpibat* 	at acpi?		# ACPI Battery
    239 #acpibut* 	at acpi?		# ACPI Button
    240 #acpiec* 	at acpi?		# ACPI Embedded Controller
    241 #acpilid* 	at acpi?		# ACPI Lid Switch
    242 #acpitz* 	at acpi?		# ACPI Thermal Zone
    243 
    244 # Mainboard devices
    245 #com* 		at acpi?		# Serial communications interface
    246 #fdc* 		at acpi?		# Floppy disk controller
    247 #joy*		at acpi?		# Joystick/Game port
    248 #lpt* 		at acpi?		# Parallel port
    249 #mpu*		at acpi?		# Roland MPU-401 MIDI UART
    250 #pckbc*  	at acpi?		# PC keyboard controller
    251 #attimer*	at acpi?		# AT Timer
    252 #pcppi*         at acpi?                # AT-style speaker sound
    253 #wss* 		at acpi?		# NeoMagic 256AV in wss mode
    254 
    255 options 	MPBIOS
    256 options 	MPBIOS_SCANPCI		# MPBIOS configures PCI roots
    257 cpu* 		at mainbus?
    258 ioapic* 	at mainbus? apid ?
    259 
    260 #apm0	at mainbus0			# Advanced power management
    261 
    262 # Tuning for power management, see apm(4) for more details.
    263 #options 	APM_NO_IDLE		# Don't call BIOS CPU idle function
    264 #options 	APM_V10_ONLY		# Use only the APM 1.0 calls
    265 #options 	APM_NO_POWEROFF		# Don't power off on halt(8)
    266 #options 	APM_POWER_PRINT		# Print stats on the console
    267 #options 	APM_DISABLE_INTERRUPTS=0 # Don't disable interrupts
    268 
    269 
    270 # Basic Bus Support
    271 
    272 # PCI bus support
    273 pci*	at mainbus? bus ?
    274 pci*	at pchb? bus ?
    275 pci*	at ppb? bus ?
    276 
    277 # PCI bridges
    278 pchb*	at pci? dev ? function ?	# PCI-Host bridges
    279 pcib*	at pci? dev ? function ?	# PCI-ISA bridges
    280 ppb*	at pci? dev ? function ?	# PCI-PCI bridges
    281 # XXX 'puc's aren't really bridges, but there's no better place for them here
    282 puc*	at pci? dev ? function ?	# PCI "universal" comm. cards
    283 
    284 aapic* 	at pci? dev ? function ?	# AMD 8131 IO apic
    285 
    286 #agp* 	at pchb?
    287 
    288 #
    289 
    290 # ISA bus support
    291 isa0	at mainbus?
    292 isa0	at pcib?
    293 
    294 # CardBus bridge support
    295 #cbb*		at pci? dev ? function ?
    296 #cardslot*	at cbb?
    297 
    298 # CardBus bus support
    299 #cardbus*	at cardslot?
    300 #pcmcia* 	at cardslot?
    301 
    302 # Coprocessor Support
    303 
    304 # Console Devices
    305 
    306 # wscons
    307 pckbc0		at isa?			# pc keyboard controller
    308 pckbd*		at pckbc?		# PC keyboard
    309 pms*		at pckbc?		# PS/2 mouse for wsmouse
    310 #options 	PMS_DISABLE_POWERHOOK	# Disable PS/2 reset on resume
    311 #options 	PMS_SYNAPTICS_TOUCHPAD	# Enable support for Synaptics Touchpads
    312 vga*		at pci? dev ? function ?
    313 wsdisplay*	at vga? console ?
    314 wskbd*		at pckbd? console ?
    315 wsmouse*	at pms? mux 0
    316 
    317 attimer0	at isa?
    318 pcppi0		at isa?
    319 sysbeep0	at pcppi?
    320 
    321 # Cryptographic Devices
    322 
    323 # PCI cryptographic devices
    324 hifn*	at pci? dev ? function ?	# Hifn 7755/7811/795x
    325 ubsec*	at pci? dev ? function ?	# Broadcom 5501/5601/580x/582x
    326 
    327 # Serial Devices
    328 
    329 # PCI serial interfaces
    330 com*	at puc? port ?			# 16x50s on "universal" comm boards
    331 cy*	at pci? dev ? function ?	# Cyclades Cyclom-Y serial boards
    332 cz*	at pci? dev ? function ?	# Cyclades-Z multi-port serial boards
    333 
    334 # PCMCIA serial interfaces
    335 #com*	at pcmcia? function ?		# Modems and serial cards
    336 
    337 #pcmcom*	at pcmcia? function ?		# PCMCIA multi-port serial cards
    338 #com*	at pcmcom? slave ?		# ...and the slave devices
    339 
    340 # CardBus serial interfaces
    341 #com*	at cardbus? dev ? function ?	# Modems and serial cards
    342 
    343 # ISA serial interfaces
    344 #options 	COM_HAYESP		# adds Hayes ESP serial board support
    345 com0	at isa? port 0x3f8 irq 4	# Standard PC serial ports
    346 com1	at isa? port 0x2f8 irq 3
    347 
    348 # Parallel Printer Interfaces
    349 
    350 # PCI parallel printer interfaces
    351 lpt*	at puc? port ?			# || ports on "universal" comm boards
    352 
    353 # ISA parallel printer interfaces
    354 lpt0	at isa? port 0x378 irq 7	# standard PC parallel ports
    355 lpt1	at isa? port 0x278
    356 
    357 # Hardware monitors
    358 
    359 # LM7[89] and compatible hardware monitors
    360 #lm0	at isa?	port 0x290		# other common ports: 0x280, 0x310
    361 
    362 # I2O devices
    363 iop*	at pci? dev ? function ?	# I/O processor
    364 iopsp*	at iop? tid ?			# SCSI/FC-AL ports
    365 ld*	at iop? tid ?			# block devices
    366 # XXX dpti.c wants a processor type that is not assigned for x86-64
    367 #dpti*	at iop? tid 0			# DPT/Adaptec control interface
    368 
    369 
    370 # SCSI Controllers and Devices
    371 
    372 # PCI SCSI controllers
    373 adv*	at pci? dev ? function ?	# AdvanSys 1200[A,B], 9xx[U,UA] SCSI
    374 adw*	at pci? dev ? function ?	# AdvanSys 9x0UW[D], 3940U[2,3]W SCSI
    375 ahc*	at pci? dev ? function ?	# Adaptec [23]94x, aic78x0 SCSI
    376 ahd*	at pci? dev ? function ?	# Adaptec aic790x SCSI
    377 bha*	at pci? dev ? function ?	# BusLogic 9xx SCSI
    378 dpt*	at pci? dev ? function ?	# DPT SmartCache/SmartRAID
    379 iha*	at pci? dev ? function ?	# Initio INIC-940/950 SCSI
    380 isp*	at pci? dev ? function ?	# Qlogic ISP [12]0x0 SCSI/FibreChannel
    381 mly*	at pci? dev ? function ?	# Mylex AcceleRAID and eXtremeRAID
    382 mpt*	at pci? dev ? function ?	# LSILogic 9x9 and 53c1030
    383 pcscp*	at pci? dev ? function ?	# AMD 53c974 PCscsi-PCI SCSI
    384 siop*	at pci? dev ? function ?	# Symbios 53c8xx SCSI
    385 esiop*	at pci? dev ? function ?	# Symbios 53c875 and newer SCSI
    386 #options 	SIOP_SYMLED		# drive the act. LED in software
    387 trm*	at pci? dev ? function ?	# Tekram DC-395U/UW/F, DC-315/U SCSI
    388 
    389 # PCMCIA SCSI controllers
    390 #aic*	at pcmcia? function ?		# Adaptec APA-1460 SCSI
    391 #esp*	at pcmcia? function ?		# Qlogic ESP406/FAS408 SCSI
    392 
    393 # CardBus SCSI cards
    394 #adv*	at cardbus? dev ? function ?	# AdvanSys 1200[A,B], 9xx[U,UA] SCSI
    395 #ahc*	at cardbus? dev ? function ?	# Adaptec ADP-1480
    396 
    397 # SCSI bus support
    398 scsibus* at scsi?
    399 
    400 # SCSI devices
    401 sd*	at scsibus? target ? lun ?	# SCSI disk drives
    402 st*	at scsibus? target ? lun ?	# SCSI tape drives
    403 cd*	at scsibus? target ? lun ?	# SCSI CD-ROM drives
    404 ch*	at scsibus? target ? lun ?	# SCSI autochangers
    405 ses*	at scsibus? target ? lun ?	# SCSI Enclosure Services devices
    406 ss*	at scsibus? target ? lun ?	# SCSI scanners
    407 uk*	at scsibus? target ? lun ?	# SCSI unknown
    408 
    409 
    410 # RAID controllers and devices
    411 #aac*	at pci? dev ? function ?	# Broken -- 32bit assumptions.
    412 amr*	at pci? dev ? function ?	# AMI/LSI Logic MegaRAID
    413 cac*	at pci? dev ? function ?	# Compaq PCI array controllers
    414 icp*	at pci? dev ? function ?	# ICP-Vortex GDT & Intel RAID
    415 mlx*	at pci? dev ? function ?	# Mylex DAC960 & DEC SWXCR family
    416 twe*	at pci? dev ? function ?	# 3ware Escalade RAID controllers
    417 
    418 ld*	at amr? unit ?
    419 ld*	at cac? unit ?
    420 ld*	at icp? unit ?
    421 ld*	at twe? unit ?
    422 ld*	at mlx? unit ?
    423 
    424 icpsp*	at icp? unit ?			# SCSI pass-through
    425 
    426 # IDE and related devices
    427 # PCI IDE controllers - see pciide(4) for supported hardware.
    428 # The 0x0001 flag force the driver to use DMA, even if the driver doesn't know
    429 # how to set up DMA modes for this chip. This may work, or may cause
    430 # a machine hang with some controllers.
    431 pciide* at pci? dev ? function ? flags 0x0000	# GENERIC pciide driver
    432 acardide* at pci? dev ? function ?	# Acard IDE controllers
    433 aceride* at pci? dev ? function ?	# Acer Lab IDE controllers
    434 artsata* at pci? dev ? function ?	# Intel i31244 SATA controller
    435 cmdide* at pci? dev ? function ?	# CMD tech IDE controllers
    436 cypide* at pci? dev ? function ?	# Cypress IDE controllers
    437 hptide* at pci? dev ? function ?	# Triones/HighPoint IDE controllers
    438 ixpide* at pci? dev ? function ?	# ATI IXP IDE controllers
    439 optiide* at pci? dev ? function ?	# Opti IDE controllers
    440 piixide* at pci? dev ? function ?	# Intel IDE controllers
    441 pdcide* at pci? dev ? function ?	# Promise IDE controllers
    442 pdcsata* at pci? dev ? function ?	# Promise SATA150 controllers
    443 satalink* at pci? dev ? function ?	# SiI SATALink controllers
    444 siside* at pci? dev ? function ?	# SiS IDE controllers
    445 slide*  at pci? dev ? function ?	# Symphony Labs IDE controllers
    446 viaide* at pci? dev ? function ?	# VIA/AMD/Nvidia IDE controllers
    447 
    448 # PCMCIA IDE controllers
    449 #wdc*	at pcmcia? function ?
    450 
    451 # ISA ST506, ESDI, and IDE controllers
    452 # Use flags 0x01 if you want to try to use 32bits data I/O (the driver will
    453 # fall back to 16bits I/O if 32bits I/O are not functional).
    454 # Some controllers pass the initial 32bit test, but will fail later.
    455 wdc0	at isa? port 0x1f0 irq 14 flags 0x00
    456 wdc1	at isa? port 0x170 irq 15 flags 0x00
    457 
    458 # ATA (IDE) bus support
    459 atabus* at ata?
    460 
    461 # IDE drives
    462 # Flags are used only with controllers that support DMA operations
    463 # and mode settings (e.g. some pciide controllers)
    464 # The lowest order four bits (rightmost digit) of the flags define the PIO
    465 # mode to use, the next set of four bits the DMA mode and the third set the
    466 # UltraDMA mode. For each set of four bits, the 3 lower bits define the mode
    467 # to use, and the last bit must be 1 for this setting to be used.
    468 # For DMA and UDMA, 0xf (1111) means 'disable'.
    469 # 0x0fac means 'use PIO mode 4, DMA mode 2, disable UltraDMA'.
    470 # (0xc=1100, 0xa=1010, 0xf=1111)
    471 # 0x0000 means "use whatever the drive claims to support".
    472 wd*	at atabus? drive ? flags 0x0000
    473 
    474 # ATAPI bus support
    475 atapibus* at atapi?
    476 
    477 # ATA RAID configuration support, as found on some Promise controllers.  
    478 pseudo-device ataraid  
    479 ld*     at ataraid? vendtype ? unit ?
    480 
    481 # ATAPI devices
    482 # flags have the same meaning as for IDE drives.
    483 cd*	at atapibus? drive ? flags 0x0000	# ATAPI CD-ROM drives
    484 sd*	at atapibus? drive ? flags 0x0000	# ATAPI disk drives
    485 st*	at atapibus? drive ? flags 0x0000	# ATAPI tape drives
    486 uk*	at atapibus? drive ? flags 0x0000	# ATAPI unknown
    487 
    488 
    489 # Miscellaneous mass storage devices
    490 
    491 # ISA floppy
    492 fdc0	at isa? port 0x3f0 irq 6 drq 2	# standard PC floppy controllers
    493 #fdc1	at isa? port 0x370 irq ? drq ?
    494 fd*	at fdc? drive ?			# the drives themselves
    495 # some machines need you to do this instead of fd*
    496 #fd0	at fdc0 drive 0
    497 
    498 # Network Interfaces
    499 
    500 # PCI network interfaces
    501 an*	at pci? dev ? function ?	# Aironet PC4500/PC4800 (802.11)
    502 ath*	at pci? dev ? function ?	# Atheros 5210/5211/5212 802.11
    503 bce* 	at pci? dev ? function ?	# Broadcom 440x 10/100 Ethernet
    504 bge* 	at pci? dev ? function ?	# Broadcom 570x gigabit Ethernet
    505 en*	at pci? dev ? function ?	# ENI/Adaptec ATM
    506 ep*	at pci? dev ? function ?	# 3Com 3c59x
    507 epic*	at pci? dev ? function ?	# SMC EPIC/100 Ethernet
    508 esh*	at pci? dev ? function ?	# Essential HIPPI card
    509 ex*	at pci? dev ? function ?	# 3Com 90x[BC]
    510 fpa*	at pci? dev ? function ?	# DEC DEFPA FDDI
    511 fxp*	at pci? dev ? function ?	# Intel EtherExpress PRO 10+/100B
    512 gsip*	at pci? dev ? function ?	# NS83820 Gigabit Ethernet
    513 #hme*	at pci? dev ? function ?	# Sun Microelectronics STP2002-STQ
    514 le*	at pci? dev ? function ?	# PCnet-PCI Ethernet
    515 lmc*	at pci? dev ? function ?	# Lan Media Corp SSI/HSSI/DS3
    516 mtd*	at pci? dev ? function ?	# Myson MTD803 3-in-1 Ethernet
    517 ne*	at pci? dev ? function ?	# NE2000-compatible Ethernet
    518 ntwoc*	at pci? dev ? function ?	# Riscom/N2 PCI Sync Serial
    519 pcn*	at pci? dev ? function ?	# AMD PCnet-PCI Ethernet
    520 re*	at pci? dev ? function ?	# Realtek 8139C+/8169/8169S/8110S
    521 rtk*	at pci? dev ? function ?	# Realtek 8129/8139
    522 sf*	at pci? dev ? function ?	# Adaptec AIC-6915 Ethernet
    523 sip*	at pci? dev ? function ?	# SiS 900/DP83815 Ethernet
    524 skc* 	at pci? dev ? function ?	# SysKonnect SK9821 Gigabit Ethernet
    525 sk* 	at skc?				# SysKonnect SK9821 Gigabit Ethernet
    526 ste*	at pci? dev ? function ?	# Sundance ST-201 Ethernet
    527 stge*	at pci? dev ? function ?	# Sundance/Tamarack TC9021 Gigabit
    528 ti*	at pci? dev ? function ?	# Alteon ACEnic gigabit Ethernet
    529 tl*	at pci? dev ? function ?	# ThunderLAN-based Ethernet
    530 tlp*	at pci? dev ? function ?	# DECchip 21x4x and clones
    531 vge*	at pci? dev ? function ?	# VIATech VT612X Gigabit Ethernet
    532 vr*	at pci? dev ? function ?	# VIA Rhine Fast Ethernet
    533 wi*	at pci? dev ? function ?	# Intersil Prism Mini-PCI (802.11b)
    534 wm*	at pci? dev ? function ?	# Intel 82543/82544 gigabit
    535 
    536 # PCMCIA network interfaces
    537 #an*	at pcmcia? function ?		# Aironet PC4500/PC4800 (802.11)
    538 #awi*	at pcmcia? function ?		# BayStack 650/660 (802.11FH/DS)
    539 #cnw*	at pcmcia? function ?		# Xircom/Netwave AirSurfer
    540 #ep*	at pcmcia? function ?		# 3Com 3c589 and 3c562 Ethernet
    541 #mbe*	at pcmcia? function ?		# MB8696x based Ethernet
    542 #ne*	at pcmcia? function ?		# NE2000-compatible Ethernet
    543 #ray*	at pcmcia? function ?		# Raytheon Raylink (802.11)
    544 #sm*	at pcmcia? function ?		# Megahertz Ethernet
    545 # tr at pcmcia has problems with Cardbus bridges
    546 #tr*	at pcmcia? function ?		# TROPIC based Token-Ring
    547 #wi*	at pcmcia? function ?		# Lucent/Intersil WaveLan IEEE (802.11)
    548 #xi*	at pcmcia? function ?		# Xircom CreditCard Ethernet
    549 
    550 #mhzc*	at pcmcia? function ?		# Megahertz Ethernet/Modem combo cards
    551 #com*	at mhzc?
    552 #sm*	at mhzc?
    553 
    554 # CardBus network cards
    555 #ath*	at cardbus? dev ? function ?	# Atheros 5210/5211/5212 802.11
    556 #ex*	at cardbus? dev ? function ?	# 3Com 3C575TX
    557 #fxp*	at cardbus? dev ? function ?	# Intel i8255x
    558 #rtk*	at cardbus? dev ? function ?	# Realtek 8129/8139
    559 #tlp*	at cardbus? dev ? function ?	# DECchip 21143
    560 
    561 # MII/PHY support
    562 acphy*	at mii? phy ?			# DAltima AC101 and AMD Am79c874 PHYs
    563 amhphy*	at mii? phy ?			# AMD 79c901 Ethernet PHYs
    564 bmtphy*	at mii? phy ?			# Broadcom BCM5201 and BCM5202 PHYs
    565 brgphy*	at mii? phy ?			# Broadcom BCM5400-family PHYs
    566 ciphy*	at mii? phy ?			# Cicada CS8201 Gig-E PHYs
    567 dmphy*	at mii? phy ?			# Davicom DM9101 PHYs
    568 exphy*	at mii? phy ?			# 3Com internal PHYs
    569 glxtphy* at mii? phy ?			# Level One LXT-1000 PHYs
    570 gphyter* at mii? phy ?			# NS83861 Gig-E PHY
    571 icsphy*	at mii? phy ?			# Integrated Circuit Systems ICS189x
    572 igphy* 	at mii? phy ?			# Intel IGP01E1000
    573 inphy*	at mii? phy ?			# Intel 82555 PHYs
    574 iophy*	at mii? phy ?			# Intel 82553 PHYs
    575 lxtphy*	at mii? phy ?			# Level One LXT-970 PHYs
    576 makphy*	at mii? phy ?			# Marvell Semiconductor 88E1000 PHYs
    577 nsphy*	at mii? phy ?			# NS83840 PHYs
    578 nsphyter* at mii? phy ?			# NS83843 PHYs
    579 pnaphy*	at mii? phy ?			# generic HomePNA PHYs
    580 qsphy*	at mii? phy ?			# Quality Semiconductor QS6612 PHYs
    581 sqphy*	at mii? phy ?			# Seeq 80220/80221/80223 PHYs
    582 tlphy*	at mii? phy ?			# ThunderLAN PHYs
    583 tqphy*	at mii? phy ?			# TDK Semiconductor PHYs
    584 ukphy*	at mii? phy ?			# generic unknown PHYs
    585 urlphy* at mii? phy ?			# Realtek RTL8150L internal PHYs
    586 
    587 
    588 # USB Controller and Devices
    589 
    590 # PCI USB controllers
    591 ehci*	at pci?	dev ? function ?	# Enhanced Host Controller
    592 ohci*	at pci?	dev ? function ?	# Open Host Controller
    593 uhci*	at pci?	dev ? function ?	# Universal Host Controller (Intel)
    594 
    595 # CardBus USB controllers
    596 #ehci*	at cardbus? dev ? function ?	# Enhanced Host Controller
    597 #ohci*	at cardbus? dev ? function ?	# Open Host Controller
    598 
    599 # ISA USB controllers
    600 #slhci0	at isa? port 0x300 irq 5	# ScanLogic SL811HS
    601 
    602 # USB bus support
    603 usb*	at ehci?
    604 usb*	at ohci?
    605 usb*	at uhci?
    606 #usb*	at slhci?
    607 
    608 # USB Hubs
    609 uhub*	at usb?
    610 uhub*	at uhub? port ? configuration ? interface ?
    611 
    612 # USB HID device
    613 uhidev*	at uhub? port ? configuration ? interface ?
    614 
    615 # USB Mice
    616 ums*	at uhidev? reportid ?
    617 wsmouse* at ums? mux 0
    618 
    619 # USB Keyboards
    620 ukbd*	at uhidev? reportid ?
    621 wskbd*	at ukbd? console ? mux 1
    622 
    623 # USB serial adpater
    624 ucycom*	at uhidev? reportid ?
    625 
    626 # USB Generic HID devices
    627 uhid*	at uhidev? reportid ?
    628 
    629 # USB Printer
    630 ulpt*	at uhub? port ? configuration ? interface ?
    631 
    632 # USB Modem
    633 umodem*	at uhub? port ? configuration ?
    634 ucom*	at umodem?
    635 
    636 # USB Mass Storage
    637 umass*	at uhub? port ? configuration ? interface ?
    638 #wd* at umass?
    639 
    640 # USB audio
    641 uaudio*	at uhub? port ? configuration ?
    642 
    643 # USB MIDI
    644 umidi* at uhub? port ? configuration ?
    645 
    646 # USB IrDA
    647 # USB-IrDA bridge spec
    648 uirda* at uhub? port ? configuration ? interface ?
    649 irframe* at uirda?
    650 
    651 # SigmaTel STIr4200 USB/IrDA Bridge
    652 ustir* at uhub? port ?
    653 irframe* at ustir?
    654 
    655 # USB Ethernet adapters
    656 aue*	at uhub? port ?		# ADMtek AN986 Pegasus based adapters
    657 axe*	at uhub? port ?		# ASIX AX88172 based adapters
    658 cue*	at uhub? port ?		# CATC USB-EL1201A based adapters
    659 kue*	at uhub? port ?		# Kawasaki LSI KL5KUSB101B based adapters
    660 url*	at uhub? port ?		# Realtek RTL8150L based adapters
    661 udav*	at uhub? port ?		# Davicom DM9601 based adapters
    662 
    663 # Prolific PL2301/PL2302 host-to-host adapter
    664 upl*	at uhub? port ?
    665 
    666 # Serial adapters
    667 ubsa*	at uhub? port ?		# Belkin serial adapter
    668 ucom*	at ubsa? portno ?
    669 
    670 uftdi*	at uhub? port ?		# FTDI FT8U100AX serial adapter
    671 ucom*	at uftdi? portno ?
    672 
    673 umct*	at uhub? port ?		# MCT USB-RS232 serial adapter
    674 ucom*	at umct? portno ?
    675 
    676 uplcom*	at uhub? port ?		# I/O DATA USB-RSAQ2 serial adapter
    677 ucom*	at uplcom? portno ?
    678 
    679 uvscom*	at uhub? port ?		# SUNTAC Slipper U VS-10U serial adapter
    680 ucom*	at uvscom? portno ?
    681 
    682 # Diamond Multimedia Rio 500
    683 urio*	at uhub? port ?
    684 
    685 # USB Handspring Visor
    686 uvisor*	at uhub? port ?
    687 ucom*	at uvisor?
    688 
    689 # Kyocera AIR-EDGE PHONE
    690 ukyopon* at uhub? port ?
    691 ucom*	at ukyopon? portno ?
    692 
    693 # USB scanners
    694 uscanner* at uhub? port ?
    695 
    696 # USB scanners that use SCSI emulation, e.g., HP5300
    697 usscanner* at uhub? port ?
    698 
    699 # Y@P firmware loader
    700 uyap* at uhub? port ?
    701 
    702 # D-Link DSB-R100 USB radio
    703 udsbr*	at uhub? port ?
    704 radio*	at udsbr?
    705 
    706 # USB Generic driver
    707 ugen*	at uhub? port ?
    708 
    709 
    710 # IrDA and Consumer Ir devices
    711 
    712 # Toshiba Oboe
    713 #oboe* 	at pci? dev ? function ?	# broken -- vtophys
    714 #irframe* at oboe?
    715 
    716 # PCI IEEE1394 controllers
    717 fwohci*	at pci? dev ? function ?	# IEEE1394 Open Host Controller
    718  
    719 # CardBus IEEE1394 controllers 
    720 #fwohci*	at cardbus? dev ? function ?	# IEEE1394 Open Host Controller
    721 
    722 ieee1394if* at fwohci?
    723 fwip*	at ieee1394if?			# IP over IEEE1394
    724 sbp*	at ieee1394if? euihi ? euilo ?
    725 
    726 # Audio Devices
    727 
    728 # PCI audio devices
    729 auich*	at pci? dev ? function ?	# Intel/AMD/nVidia AC'97 Audio
    730 auixp*	at pci? dev ? function ?	# ATI IXP AC'97 Audio
    731 autri*	at pci? dev ? function ?	# Trident 4DWAVE based AC'97 Audio
    732 auvia*	at pci? dev ? function ?	# VIA AC'97 audio
    733 azalia*	at pci? dev ? function ?	# High Definition Audio
    734 clcs*	at pci? dev ? function ?	# Cirrus Logic CS4280
    735 clct*	at pci? dev ? function ?	# Cirrus Logic CS4281
    736 cmpci*	at pci? dev ? function ?	# C-Media CMI8338/8738
    737 eap*	at pci? dev ? function ?	# Ensoniq AudioPCI
    738 emuxki*	at pci? dev ? function ?	# Creative SBLive! and PCI512
    739 esa*	at pci? dev ? function ?	# ESS Allegro-1 / Maestro-3 PCI Audio
    740 esm*	at pci? dev ? function ?	# ESS Maestro-1/2/2e PCI Audio Accelerator
    741 eso*	at pci? dev ? function ?	# ESS Solo-1 PCI AudioDrive
    742 fms*	at pci? dev ? function ?	# Forte Media FM801
    743 neo*	at pci? dev ? function ?	# NeoMagic 256 AC'97 Audio
    744 sv*	at pci? dev ? function ?	# S3 SonicVibes
    745 yds*	at pci? dev ? function ?	# Yamaha DS-1 PCI Audio
    746 
    747 # PCMCIA audio devices
    748 #esl*	at pcmcia? function ?			# ESS 1688 AudioDrive
    749 
    750 # OPL[23] FM synthesizers
    751 #opl0	at isa? port 0x388	# use only if not attached to sound card
    752 opl*	at cmpci? flags 1
    753 #opl*	at esl?
    754 opl*	at eso?
    755 opl*	at fms?
    756 opl*	at sv?
    757 
    758 # Audio support
    759 audio*	at audiobus?
    760 
    761 # MPU 401 UARTs
    762 #mpu*	at isa? port 0x330 irq 9	# MPU401 or compatible card
    763 mpu*	at cmpci?
    764 mpu*	at eso?
    765 mpu*	at yds?
    766 
    767 # MIDI support
    768 midi*	at midibus?
    769 midi*	at pcppi?		# MIDI interface to the PC speaker
    770 
    771 # The spkr driver provides a simple tone interface to the built in speaker.
    772 #spkr0	at pcppi?		# PC speaker
    773 
    774 
    775 # FM-Radio devices
    776 # PCI radio devices
    777 #gtp*	at pci? dev ? function ? # Guillemot Maxi Radio FM 2000 Radio Card
    778 
    779 # Radio support
    780 #radio*	at gtp?
    781 
    782 
    783 # TV cards
    784 
    785 # Brooktree 848/849/878/879 based TV cards
    786 bktr* at pci? dev ? function ?
    787 radio* at bktr?
    788 
    789 
    790 # Mice
    791 
    792 # Middle Digital, Inc. PCI-Weasel serial console board control
    793 # devices (watchdog timer, etc.)
    794 weasel* at pci?
    795 
    796 # Pull in optional local configuration
    797 include	"arch/amd64/conf/GENERIC.local"
    798 
    799 # Pseudo-Devices
    800 
    801 pseudo-device 	crypto			# opencrypto framework
    802 
    803 # disk/mass storage pseudo-devices
    804 pseudo-device	ccd		4	# concatenated/striped disk devices
    805 #pseudo-device	cgd		4	# cryptographic disk devices
    806 pseudo-device	raid		8	# RAIDframe disk driver
    807 options 	RAID_AUTOCONFIG		# auto-configuration of RAID components
    808 #Options to enable various other RAIDframe RAID types.
    809 #options 	RF_INCLUDE_EVENODD=1
    810 #options 	RF_INCLUDE_RAID5_RS=1
    811 #options 	RF_INCLUDE_PARITYLOGGING=1
    812 #options 	RF_INCLUDE_CHAINDECLUSTER=1
    813 #options 	RF_INCLUDE_INTERDECLUSTER=1
    814 #options 	RF_INCLUDE_PARITY_DECLUSTERING=1
    815 #options 	RF_INCLUDE_PARITY_DECLUSTERING_DS=1
    816 pseudo-device	fss		4	# file system snapshot device
    817 
    818 pseudo-device	md		1	# memory disk device (ramdisk)
    819 pseudo-device	vnd		4	# disk-like interface to files
    820 #options 	VND_COMPRESSION		# compressed vnd(4)
    821 
    822 # network pseudo-devices
    823 pseudo-device	bpfilter	8	# Berkeley packet filter
    824 pseudo-device	ipfilter		# IP filter (firewall) and NAT
    825 pseudo-device	loop			# network loopback
    826 pseudo-device	ppp		2	# Point-to-Point Protocol
    827 pseudo-device	pppoe			# PPP over Ethernet (RFC 2516)
    828 pseudo-device	sl		2	# Serial Line IP
    829 pseudo-device	strip		2	# Starmode Radio IP (Metricom)
    830 pseudo-device	irframetty		# IrDA frame line discipline
    831 pseudo-device	tun		2	# network tunneling over tty
    832 pseudo-device	tap			# virtual Ethernet
    833 pseudo-device	gre		2	# generic L3 over IP tunnel
    834 pseudo-device	gif		4	# IPv[46] over IPv[46] tunnel (RFC1933)
    835 #pseudo-device	faith		1	# IPv[46] tcp relay translation i/f
    836 #pseudo-device	stf		1	# 6to4 IPv6 over IPv4 encapsulation
    837 pseudo-device	vlan			# IEEE 802.1q encapsulation
    838 pseudo-device	bridge			# simple inter-network bridging
    839 #options	BRIDGE_IPF		# bridge uses IP/IPv6 pfil hooks too
    840 
    841 # miscellaneous pseudo-devices
    842 pseudo-device	pty			# pseudo-terminals
    843 pseudo-device	tb		1	# tablet line discipline
    844 pseudo-device	sequencer	1	# MIDI sequencer
    845 # rnd works; RND_COM does not on port i386 yet.
    846 pseudo-device	rnd			# /dev/random and in-kernel generator
    847 #options 	RND_COM			# use "com" randomness as well (BROKEN)
    848 pseudo-device	clockctl		# user control of clock subsystem
    849 pseudo-device	ksyms			# /dev/ksyms
    850 #pseudo-device	pf			# PF packet filter
    851 #pseudo-device	pflog			# PF log if
    852 
    853 # a pseudo device needed for Coda	# also needs CODA (above)
    854 pseudo-device	vcoda		4	# coda minicache <-> venus comm.
    855 
    856 # wscons pseudo-devices
    857 pseudo-device	wsmux			# mouse & keyboard multiplexor
    858 pseudo-device	wsfont
    859