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freebsd-skq/sys/conf/NOTES
jkh e04f9b0798 YAMF22 - XSERVER comment changes.
1997-06-06 12:24:43 +00:00

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#
# LINT -- config file for checking all the sources, tries to pull in
# as much of the source tree as it can.
#
# $Id: LINT,v 1.343 1997/06/04 16:44:27 pst Exp $
#
# NB: You probably don't want to try running a kernel built from this
# file. Instead, you should start from GENERIC, and add options from
# this file as required.
#
#
# This directive is mandatory; it defines the architecture to be
# configured for; in this case, the 386 family based IBM-PC and
# compatibles.
#
machine "i386"
#
# This is the ``identification'' of the kernel. Usually this should
# be the same as the name of your kernel.
#
ident LINT
#
# The `maxusers' parameter controls the static sizing of a number of
# internal system tables by a complicated formula defined in param.c.
#
maxusers 10
#
# Certain applications can grow to be larger than the 128M limit
# that FreeBSD initially imposes. Below are some options to
# allow that limit to grow to 256MB, and can be increased further
# with changing the parameters. MAXDSIZ is the maximum that the
# limit can be set to, and the DFLDSIZ is the default value for
# the limit. You might want to set the default lower than the
# max, and explicitly set the maximum with a shell command for processes
# that regularly exceed the limit like INND.
#
options "MAXDSIZ=(256*1024*1024)"
options "DFLDSIZ=(256*1024*1024)"
# When this is set, be extra conservative in various parts of the kernel
# and choose functionality over speed (on the widest variety of systems).
options FAILSAFE
# This allows you to actually store this configuration file into
# the kernel binary itself, where it may be later read by saying:
# strings /kernel | grep ^___ | sed -e 's/^___//' > MYKERNEL
#
options INCLUDE_CONFIG_FILE # Include this file in kernel
#
# This directive defines a number of things:
# - The compiled kernel is to be called `kernel'
# - The root filesystem might be on partition wd0a
# - Crash dumps will be written to wd0b, if possible. Specifying the
# dump device here is not recommended. Use dumpon(8).
#
config kernel root on wd0 dumps on wd0
#####################################################################
# SMP OPTIONS:
#
# SMP enables building of a Symmetric MultiProcessor Kernel.
# APIC_IO enables the use of the IO APIC for Symmetric I/O.
# NCPU sets the number of CPUs, defaults to 2.
# NBUS sets the number of busses, defaults to 4.
# NAPIC sets the number of IO APICs on the motherboard, defaults to 1.
# NINTR sets the total number of INTs provided by the motherboard.
#
# SMP_AUTOSTART automates the startup of the additional CPUs.
# SMP_PRIVPAGES maintain 'per-CPU' private data, NOT implemented yet!
#
# SMP_TIMER_NC is for motherboards that claim 8254 connectivity to the IO APIC,
# when in fact it is NOT connected.
#
# Notes:
#
# An SMP kernel will ONLY run on an Intel MP spec. qualified motherboard.
#
# Be sure to disable 'cpu "I386_CPU"' && 'cpu "I486_CPU"' for SMP kernels.
#
# Check the 'Rogue SMP hardware' section to see if additional options
# are required by your hardware.
#
# Mandatory:
options SMP # Symmetric MultiProcessor Kernel
options APIC_IO # Symmetric (APIC) I/O
# Useful:
options SMP_AUTOSTART # start the additional CPUs during boot
# Optional, these are the defaults:
#options NCPU=2 # number of CPUs
#options NBUS=4 # number of busses
#options NAPIC=1 # number of IO APICs
#options NINTR=24 # number of INTs
# Currently unusable:
#options SMP_PRIVPAGES # BROKEN: architecture problem
#
# Rogue SMP hardware:
#
# Tyan Tomcat II:
#options SMP_TIMER_NC # 8254 NOT connected to APIC
# SuperMicro P6DNE:
#options SMP_TIMER_NC # 8254 NOT connected to APIC
# Bridged PCI cards:
#
# The MP tables of most of the current generation MP motherboards
# do NOT properly support bridged PCI cards. To use one of these
# cards you should refer to ???
#####################################################################
# CPU OPTIONS
#
# You must specify at least one CPU (the one you intend to run on);
# deleting the specification for CPUs you don't need to use may make
# parts of the system run faster. This is especially true removing
# I386_CPU.
#
cpu "I386_CPU"
cpu "I486_CPU"
cpu "I586_CPU" # aka Pentium(tm)
cpu "I686_CPU" # aka Pentium Pro(tm)
#
# Options for CPU features.
#
# CPU_BLUELIGHTNING_FPU_OP_CACHE enables FPU operand cache on IBM
# BlueLightning CPU. It works only with Cyrix FPU, and this option
# should not be used with Intel FPU.
#
# CPU_BLUELIGHTNING_3X enables triple-clock mode on IBM Blue Lightning
# CPU if CPU supports it. The default is double-clock mode on
# BlueLightning CPU box.
#
# CPU_BTB_EN enables branch target buffer on Cyrix 5x86 (NOTE 1).
#
# CPU_DISABLE_5X86_LSSER disables load store serialize (i.e. enables
# reorder). This option should not be used if you use memory mapped
# I/O device(s).
#
# CPU_FASTER_5X86_FPU enables faster FPU exception handler.
#
# CPU_I486_ON_386 enables CPU cache on i486 based CPU upgrade products
# for i386 machines.
# CPU_IORT defines I/O clock delay time (NOTE 1). Default vaules of
# I/O clock delay time on Cyrix 5x86 and 6x86 are 0 and 7,respectively
# (no clock delay).
#
# CPU_LOOP_EN prevents flushing the prefetch buffer if the destination
# of a jump is already present in the prefetch buffer on Cyrix 5x86(NOTE
# 1).
#
# CPU_RSTK_EN enables return stack on Cyrix 5x86 (NOTE 1).
#
# CPU_SUSP_HLT enables suspend on HALT. If this option is set, CPU
# enters suspend mode following execution of HALT instruction.
#
# CYRIX_CACHE_WORKS enables CPU cache on Cyrix 486 CPUs with cache
# flush at hold state.
#
# CYRIX_CACHE_REALLY_WORKS enables (1) CPU cache on Cyrix 486 CPUs
# without cache flush at hold state, and (2) write-back CPU cache on
# Cyrix 6x86 whose revision < 2.7 (NOTE 2).
#
# NOTE 1: The options, CPU_BTB_EN, CPU_LOOP_EN, CPU_IORT,
# CPU_LOOP_ENand CPU_RSTK_EN should no be used becasue of CPU bugs.
# These options may crash your system.
#
# NOTE 2: If CYRIX_CACHE_REALLY_WORKS is not set, CPU cache is enabled
# in write-through mode when revision < 2.7. If revision of Cyrix
# 6x86 >= 2.7, CPU cache is always enabled in write-back mode.
#
options "CPU_BLUELIGHTNING_FPU_OP_CACHE"
options "CPU_BLUELIGHTNING_3X"
options "CPU_BTB_EN"
options "CPU_DISABLE_5X86_LSSER"
options "CPU_FASTER_5X86_FPU"
options "CPU_I486_ON_386"
options "CPU_IORT"
options "CPU_LOOP_EN"
options "CPU_RSTK_EN"
options "CPU_SUSP_HLT"
options "CYRIX_CACHE_WORKS"
options "CYRIX_CACHE_REALLY_WORKS"
#
# A math emulator is mandatory if you wish to run on hardware which
# does not have a floating-point processor. Pick either the original,
# bogus (but freely-distributable) math emulator, or a much more
# fully-featured but GPL-licensed emulator taken from Linux.
#
options MATH_EMULATE #Support for x87 emulation
# Don't enable both of these in a real config.
options GPL_MATH_EMULATE #Support for x87 emulation via
#new math emulator
#####################################################################
# COMPATIBILITY OPTIONS
#
# Implement system calls compatible with 4.3BSD and older versions of
# FreeBSD. You probably do NOT want to remove this as much current code
# still relies on the 4.3 emulation.
#
options "COMPAT_43"
#
# Allow user-mode programs to manipulate their local descriptor tables.
# This option is required for the WINE Windows(tm) emulator, and is
# not used by anything else (that we know of).
#
options USER_LDT #allow user-level control of i386 ldt
#
# These three options provide support for System V Interface
# Definition-style interprocess communication, in the form of shared
# memory, semaphores, and message queues, respectively.
#
options SYSVSHM
options SYSVSEM
options SYSVMSG
#
# This option includes a MD5 routine in the kernel, this is used for
# various authentication and privacy uses.
#
options "MD5"
#####################################################################
# DEBUGGING OPTIONS
#
# Enable the kernel debugger.
#
options DDB
#
# Don't drop into DDB for a panic. Intended for unattended operation
# where you may want to drop to DDB from the console, but still want
# the machine to recover from a panic
#
options DDB_UNATTENDED
#
# If using GDB remote mode to debug the kernel, there's a non-standard
# extension to the remote protocol that can be used to use the serial
# port as both the debugging port and the system console. It's non-
# standard and you're on your own if you enable it. See also the
# "remotechat" variables in the FreeBSD specific version of gdb.
#
options GDB_REMOTE_CHAT
#
# KTRACE enables the system-call tracing facility ktrace(2).
#
options KTRACE #kernel tracing
#
# The DIAGNOSTIC option is used in a number of source files to enable
# extra sanity checking of internal structures. This support is not
# enabled by default because of the extra time it would take to check
# for these conditions, which can only occur as a result of
# programming errors.
#
options DIAGNOSTIC
#
# PERFMON causes the driver for Pentium/Pentium Pro performance counters
# to be compiled. See perfmon(4) for more information.
#
options PERFMON
# XXX - this doesn't belong here.
# Allow ordinary users to take the console - this is useful for X.
options UCONSOLE
# XXX - this doesn't belong here either
options USERCONFIG #boot -c editor
options USERCONFIG_BOOT #imply -c and parse info area
options VISUAL_USERCONFIG #visual boot -c editor
#####################################################################
# NETWORKING OPTIONS
#
# Protocol families:
# Only the INET (Internet) family is officially supported in FreeBSD.
# Source code for the NS (Xerox Network Service) is provided for amusement
# value.
#
options INET #Internet communications protocols
options IPX #IPX/SPX communications protocols
options IPXIP #IPX in IP encapsulation (not available)
options IPTUNNEL #IP in IPX encapsulation (not available)
options NETATALK #Appletalk communications protocols
# These are currently broken but are shipped due to interest.
#options NS #Xerox NS protocols
# These are currently broken and are no longer shipped due to lack
# of interest.
#options CCITT #X.25 network layer
#options ISO
#options TPIP #ISO TP class 4 over IP
#options TPCONS #ISO TP class 0 over X.25
#options LLC #X.25 link layer for Ethernets
#options HDLC #X.25 link layer for serial lines
#options EON #ISO CLNP over IP
#options NSIP #XNS over IP
#
# Network interfaces:
# The `loop' pseudo-device is MANDATORY when networking is enabled.
# The `ether' pseudo-device provides generic code to handle
# Ethernets; it is MANDATORY when a Ethernet device driver is
# configured.
# The 'fddi' pseudo-device provides generic code to support FDDI.
# The `sppp' pseudo-device serves a similar role for certain types
# of synchronous PPP links (like `cx', `ar').
# The `sl' pseudo-device implements the Serial Line IP (SLIP) service.
# The `ppp' pseudo-device implements the Point-to-Point Protocol.
# The `bpfilter' pseudo-device enables the Berkeley Packet Filter. Be
# aware of the legal and administrative consequences of enabling this
# option. The number of devices determines the maximum number of
# simultaneous BPF clients programs runnable.
# The `disc' pseudo-device implements a minimal network interface,
# which throws away all packets sent and never receives any. It is
# included for testing purposes.
# The `tun' pseudo-device implements the User Process PPP (iijppp)
#
pseudo-device ether #Generic Ethernet
pseudo-device fddi #Generic FDDI
pseudo-device sppp #Generic Synchronous PPP
pseudo-device loop #Network loopback device
pseudo-device sl 2 #Serial Line IP
pseudo-device ppp 2 #Point-to-point protocol
pseudo-device bpfilter 4 #Berkeley packet filter
pseudo-device disc #Discard device
pseudo-device tun 1 #Tunnel driver(user process ppp)
#
# Internet family options:
#
# TCP_COMPAT_42 causes the TCP code to emulate certain bugs present in
# 4.2BSD. This option should not be used unless you have a 4.2BSD
# machine and TCP connections fail.
#
# MROUTING enables the kernel multicast packet forwarder, which works
# with mrouted(8).
#
# IPFIREWALL enables support for IP firewall construction, in
# conjunction with the `ipfw' program. IPFIREWALL_VERBOSE sends
# logged packets to the system logger. IPFIREWALL_VERBOSE_LIMIT
# limits the number of times a matching entry can be logged.
#
# IPDIVERT enables the divert IP sockets, used by ``ipfw divert''
#
# TCPDEBUG is undocumented.
#
options "TCP_COMPAT_42" #emulate 4.2BSD TCP bugs
options MROUTING # Multicast routing
options IPFIREWALL #firewall
options IPFIREWALL_VERBOSE #print information about
# dropped packets
options "IPFIREWALL_VERBOSE_LIMIT=100" #limit verbosity
options IPDIVERT #divert sockets
options TCPDEBUG
#####################################################################
# FILESYSTEM OPTIONS
#
# Only the root, /usr, and /tmp filesystems need be statically
# compiled; everything else will be automatically loaded at mount
# time. (Exception: the UFS family---FFS, MFS, and LFS---cannot
# currently be demand-loaded.) Some people still prefer to statically
# compile other filesystems as well.
#
# NB: The LFS, PORTAL, and UNION filesystems are known to be buggy,
# and WILL panic your system if you attempt to do anything with them.
# They are included here as an incentive for some enterprising soul to
# sit down and fix them.
#
# Note: 4.4BSD NQNFS lease checking has relatively high cost for
# _local_ I/O as well as remote I/O. Don't use it unless you will
# using NQNFS.
#
# One of these is mandatory:
options FFS #Fast filesystem
options NFS #Network File System
# The rest are optional:
options NQNFS #Enable NQNFS lease checking
# options NFS_NOSERVER #Disable the NFS-server code.
options "CD9660" #ISO 9660 filesystem
options FDESC #File descriptor filesystem
options KERNFS #Kernel filesystem
options LFS #Log filesystem
options MFS #Memory File System
options MSDOSFS #MS DOS File System
options NULLFS #NULL filesystem
options PORTAL #Portal filesystem
options PROCFS #Process filesystem
options UMAPFS #UID map filesystem
options UNION #Union filesystem
# This DEVFS is experimental but seems to work
options DEVFS #devices filesystem
# Make space in the kernel for a MFS root filesystem. Define to the number
# of kilobytes to reserve for the filesystem.
options MFS_ROOT=10
# Allow the MFS_ROOT code to load the MFS image from floppy if it is missing.
options MFS_AUTOLOAD
# Allow this many swap-devices.
options NSWAPDEV=20
# Disk quotas are supported when this option is enabled. If you
# change the value of this option, you must do a `make clean' in your
# kernel compile directory in order to get a working kernel.
#
options QUOTA #enable disk quotas
# Add more checking code to various filesystems
#options NULLFS_DIAGNOSTIC
#options KERNFS_DIAGNOSTIC
#options UMAPFS_DIAGNOSTIC
#options UNION_DIAGNOSTIC
# In particular multi-session CD-Rs might require a huge amount of
# time in order to "settle". If we are about mounting them as the
# root f/s, we gotta wait a little.
#
# The number is supposed to be in seconds.
options "CD9660_ROOTDELAY=20"
# Add some error checking code to the null_bypass routine
# in the NULL filesystem
#options SAFETY
#####################################################################
# SCSI DEVICES
# SCSI DEVICE CONFIGURATION
# The SCSI subsystem consists of the `base' SCSI code, a number of
# high-level SCSI device `type' drivers, and the low-level host-adapter
# device drivers. The host adapters are listed in the ISA and PCI
# device configuration sections below.
#
# Beginning with FreeBSD 2.0.5 you can wire down your SCSI devices so
# that a given bus, target, and LUN always come on line as the same
# device unit. In earlier versions the unit numbers were assigned
# in the order that the devices were probed on the SCSI bus. This
# means that if you removed a disk drive, you may have had to rewrite
# your /etc/fstab file, and also that you had to be careful when adding
# a new disk as it may have been probed earlier and moved your device
# configuration around.
# This old behavior is maintained as the default behavior. The unit
# assignment begins with the first non-wired down unit for a device
# type. For example, if you wire a disk as "sd3" then the first
# non-wired disk will be assigned sd4.
# The syntax for wiring down devices is:
# controller scbus0 at ahc0 # Single bus device
# controller scbus1 at ahc1 bus 0 # Single bus device
# controller scbus3 at ahc2 bus 0 # Twin bus device
# controller scbus2 at ahc2 bus 1 # Twin bus device
# disk sd0 at scbus0 target 0 unit 0
# disk sd1 at scbus3 target 1
# disk sd2 at scbus2 target 3
# tape st1 at scbus1 target 6
# device cd0 at scbus?
# "units" (SCSI logical unit number) that are not specified are
# treated as if specified as LUN 0.
# All SCSI devices allocate as many units as are required.
# The "unknown" device (uk? in pre-2.0.5) is now part of the base SCSI
# configuration and doesn't have to be explicitly configured.
controller scbus0 #base SCSI code
device ch0 #SCSI media changers
device sd0 #SCSI disks
device st0 #SCSI tapes
device cd0 #SCSI CD-ROMs
device od0 #SCSI optical disk
# The previous devices (ch, sd, st, cd) are recognized by config.
# config doesn't (and shouldn't) know about these newer ones,
# so we have to specify that they are on a SCSI bus with the "at scbus?"
# clause.
device worm0 at scbus? # SCSI worm
device pt0 at scbus? # SCSI processor type
device sctarg0 at scbus? # SCSI target
# SCSI OPTIONS:
# SCSIDEBUG: When defined enables debugging macros
# NO_SCSI_SENSE: When defined disables sense descriptions (about 4k)
# SCSI_REPORT_GEOMETRY: Always report disk geometry at boot up instead
# of only when booting verbosely.
options SCSIDEBUG
#options NO_SCSI_SENSE
options SCSI_REPORT_GEOMETRY
# Options for the `od' optical disk driver:
#
# If drive returns sense key as 0x02 with vendor specific additional
# sense code (ASC) and additional sense code qualifier (ASCQ), or
# illegal ASC and ASCQ. This cause an error (NOT READY) and retrying.
# To suppress this, use the following option.
#
options OD_BOGUS_NOT_READY
#
# For an automatic spindown, try this. Again, preferably as an
# option in your config file.
# WARNING! Use at your own risk. Joerg's ancient SONY SMO drive
# groks it fine, while Shunsuke's Fujitsu chokes on it and times
# out.
#
options OD_AUTO_TURNOFF
#####################################################################
# MISCELLANEOUS DEVICES AND OPTIONS
#
# Of these, only the `log' device is truly mandatory. The `pty'
# device usually turns out to be ``effectively mandatory'', as it is
# required for `telnetd', `rlogind', `screen', `emacs', and `xterm',
# among others.
# If you wish to run certain
# system utilities which are compressed by default (like /stand/sysinstall)
# then `gzip' becomes mandatory too.
#
pseudo-device pty 16 #Pseudo ttys - can go as high as 256
pseudo-device speaker #Play IBM BASIC-style noises out your speaker
pseudo-device log #Kernel syslog interface (/dev/klog)
pseudo-device gzip #Exec gzipped a.out's
pseudo-device vn #Vnode driver (turns a file into a device)
pseudo-device snp 3 #Snoop device - to look at pty/vty/etc..
pseudo-device ccd 4 #Concatenated disk driver
# These are only for watching for bitrot in old tty code.
# broken
#pseudo-device tb
# These are only for watching for bitrot in old SCSI code.
pseudo-device su #scsi user
pseudo-device ssc #super scsi
#####################################################################
# HARDWARE DEVICE CONFIGURATION
# ISA and EISA devices:
# EISA support is available for some device, so they can be auto-probed.
# Micro Channel is not supported at all.
#
# Mandatory ISA devices: isa, sc or vt, npx
#
controller isa0
#
# Options for `isa':
#
# AUTO_EOI_1 enables the `automatic EOI' feature for the master 8259A
# interrupt controller. This saves about 0.7-1.25 usec for each interrupt.
# This option breaks suspend/resume on some portables.
#
# AUTO_EOI_2 enables the `automatic EOI' feature for the slave 8259A
# interrupt controller. This saves about 0.7-1.25 usec for each interrupt.
# Automatic EOI is documented not to work for for the slave with the
# original i8259A, but it works for some clones and some integrated
# versions.
#
# BOUNCE_BUFFERS provides support for ISA DMA on machines with more
# than 16 megabytes of memory. It doesn't hurt on other machines.
# Some broken EISA and VLB hardware may need this, too.
#
# MAXMEM specifies the amount of RAM on the machine; if this is not
# specified, FreeBSD will read the amount of memory from the CMOS RAM,
# so the amount of memory will be limited to 64MB or 16MB depending on
# the BIOS. The amount is in kilobytes, so for a machine with 128MB of
# RAM, it would be 131072 (128 * 1024).
#
# TUNE_1542 enables the automatic ISA bus speed selection for the
# Adaptec 1542 boards. Does not work for all boards, use it with caution.
#
# BROKEN_KEYBOARD_RESET disables the use of the keyboard controller to
# reset the CPU for reboot. This is needed on some systems with broken
# keyboard controllers.
#
# PAS_JOYSTICK_ENABLE enables the gameport on the ProAudio Spectrum
options "AUTO_EOI_1"
#options "AUTO_EOI_2"
options BOUNCE_BUFFERS
options "MAXMEM=(128*1024)"
#options "TUNE_1542"
#options BROKEN_KEYBOARD_RESET
#options PAS_JOYSTICK_ENABLE
# Enable this and PCVT_FREEBSD for pcvt vt220 compatible console driver
device vt0 at isa? port "IO_KBD" tty irq 1 vector pcrint
options PCVT_FREEBSD=210 # pcvt running on FreeBSD >= 2.0.5
options XSERVER # support for running an X server.
options FAT_CURSOR # start with block cursor
# This PCVT option is for keyboards such as those used on IBM ThinkPad laptops
options PCVT_SCANSET=2 # IBM keyboards are non-std
# The syscons console driver (sco color console compatible) - default.
device sc0 at isa? port "IO_KBD" tty irq 1 vector scintr
options MAXCONS=16 # number of virtual consoles
options SLOW_VGA # do byte-wide i/o's to TS and GDC regs
#
# `flags' for sc0:
# 0x01 Use a 'visual' bell
# 0x02 Use a 'blink' cursor
# 0x04 Use a 'block' cursor
# 0x08 Force detection of keyboard, else we always assume a keyboard
# 0x10 Old-style (XT) keyboard support, useful for older ThinkPads
#
# The Numeric Processing eXtension driver. This should be configured if
# your machine has a math co-processor, unless the coprocessor is very
# buggy. If it is not configured then you *must* configure math emulation
# (see above). If both npx0 and emulation are configured, then only npx0
# is used (provided it works).
device npx0 at isa? port "IO_NPX" iosiz 0x0 flags 0x0 irq 13 vector npxintr
#
# `flags' for npx0:
# 0x01 don't use the npx registers to optimize bcopy
# 0x02 don't use the npx registers to optimize bzero
# 0x04 don't use the npx registers to optimize copyin or copyout.
# The npx registers are normally used to optimize copying and zeroing when
# all of the following conditions are satisfied:
# "I586_CPU" is an option
# the cpu is an i586 (perhaps not a Pentium)
# the probe for npx0 succeeds
# INT 16 exception handling works.
# Then copying and zeroing using the npx registers is normally 30-100% faster.
# The flags can be used to control cases where it doesn't work or is slower.
# Setting them at boot time using userconfig works right (the optimizations
# are not used until later in the bootstrap when npx0 is attached).
#
#
# `iosiz' for npx0:
# This can be used instead of the MAXMEM option to set the memory size. If
# it is nonzero, then it overrides both the MAXMEM option and the memory
# size reported by the BIOS. Setting it at boot time using userconfig takes
# effect on the next reboot after the change has been recorded in the kernel
# binary (the size is used early in the boot before userconfig has a chance
# to change it).
#
#
# Optional ISA and EISA devices:
#
#
# SCSI host adapters: `aha', `aic', `bt', `nca'
#
# aha: Adaptec 154x
# ahc: Adaptec 274x/284x/294x
# aic: Adaptec 152x and sound cards using the Adaptec AIC-6360 (slow!)
# bt: Most Buslogic controllers
# nca: ProAudioSpectrum cards using the NCR 5380 or Trantor T130
# uha: UltraStore 14F and 34F
# sea: Seagate ST01/02 8 bit controller (slow!)
# wds: Western Digital WD7000 controller (no scatter/gather!).
#
# Note that the order is important in order for Buslogic cards to be
# probed correctly.
#
controller bt0 at isa? port "IO_BT0" bio irq ? vector bt_isa_intr
controller aha0 at isa? port "IO_AHA0" bio irq ? drq 5 vector ahaintr
controller uha0 at isa? port "IO_UHA0" bio irq ? drq 5 vector uhaintr
controller aic0 at isa? port 0x340 bio irq 11 vector aicintr
controller nca0 at isa? port 0x1f88 bio irq 10 vector ncaintr
controller nca1 at isa? port 0x1f84
controller nca2 at isa? port 0x1f8c
controller nca3 at isa? port 0x1e88
controller nca4 at isa? port 0x350 bio irq 5 vector ncaintr
controller sea0 at isa? bio irq 5 iomem 0xdc000 iosiz 0x2000 vector seaintr
controller wds0 at isa? port 0x350 bio irq 15 drq 6 vector wdsintr
#
# ST-506, ESDI, and IDE hard disks: `wdc' and `wd'
#
# NB: ``Enhanced IDE'' is NOT supported at this time.
#
# The flags fields are used to enable the multi-sector I/O and
# the 32BIT I/O modes. The flags may be used in either the controller
# definition or in the individual disk definitions. The controller
# definition is supported for the boot configuration stuff.
#
# Each drive has a 16 bit flags value defined:
# The low 8 bits are the maximum value for the multi-sector I/O,
# where 0xff defaults to the maximum that the drive can handle.
# The high bit of the 16 bit flags (0x8000) allows probing for
# 32 bit transfers.
#
# The flags field for the drives can be specified in the controller
# specification with the low 16 bits for drive 0, and the high 16 bits
# for drive 1.
# e.g.:
#controller wdc0 at isa? port "IO_WD1" bio irq 14 flags 0x00ff8004 vector wdintr
#
# specifies that drive 0 will be allowed to probe for 32 bit transfers and
# a maximum multi-sector transfer of 4 sectors, and drive 1 will not be
# allowed to probe for 32 bit transfers, but will allow multi-sector
# transfers up to the maximum that the drive supports.
#
#
controller wdc0 at isa? port "IO_WD1" bio irq 14 vector wdintr
disk wd0 at wdc0 drive 0
disk wd1 at wdc0 drive 1
controller wdc1 at isa? port "IO_WD2" bio irq 15 vector wdintr
disk wd2 at wdc1 drive 0
disk wd3 at wdc1 drive 1
#
# Options for `wdc':
#
# CMD640 enables serializing access to primary and secondary channel
# of the CMD640B IDE Chip. The serializing will only take place
# if this option is set *and* the chip is probed by the pci-system.
#
options "CMD640" #Enable work around for CMD640 h/w bug
#
# ATAPI enables the support for ATAPI-compatible IDE devices
#
options ATAPI #Enable ATAPI support for IDE bus
options ATAPI_STATIC #Don't do it as an LKM
# IDE CD-ROM driver - requires wdc controller and ATAPI option
device wcd0
#
# Standard floppy disk controllers and floppy tapes: `fdc', `fd', and `ft'
#
controller fdc0 at isa? port "IO_FD1" bio irq 6 drq 2 vector fdintr
#
# Activate this line instead of the fdc0 line above if you happen to
# have an Insight floppy tape. Probing them proved to be dangerous
# for people with floppy disks only, so it's "hidden" behind a flag:
#controller fdc0 at isa? port "IO_FD1" bio flags 1 irq 6 drq 2 vector fdintr
disk fd0 at fdc0 drive 0
disk fd1 at fdc0 drive 1
tape ft0 at fdc0 drive 2
#
# Options for `fd':
#
# FDSEEKWAIT selects a non-default head-settle time (i.e., the time to
# wait after a seek is performed). The default value (1/32 s) is
# usually sufficient. The units are inverse seconds, so a value of 16
# here means to wait 1/16th of a second; you should choose a power of
# two.
# XXX: this seems to be missing!
options FDSEEKWAIT=16
#
# Other standard PC hardware: `lpt', `mse', `psm', `sio', etc.
#
# lpt: printer port
# lpt specials:
# port can be specified as ?, this will cause the driver to scan
# the BIOS port list;
# the irq and vector clauses may be omitted, this
# will force the port into polling mode.
# mse: Logitech and ATI InPort bus mouse ports
# psm: PS/2 mouse port [note: conflicts with sc0/vt0, thus "conflicts" keywd]
# sio: serial ports (see sio(4))
device lpt0 at isa? port? tty irq 7 vector lptintr
device lpt1 at isa? port "IO_LPT3" tty irq 5 vector lptintr
device mse0 at isa? port 0x23c tty irq 5 vector mseintr
device psm0 at isa? port "IO_KBD" conflicts tty irq 12 vector psmintr
# Options for psm:
options PSM_CHECKSYNC #checks the header byte for sync.
device sio0 at isa? port "IO_COM1" tty flags 0x10 irq 4 vector siointr
#
# `flags' for serial drivers that support consoles (only for sio now):
# 0x10 enable console support for this unit. The other console flags
# are ignored unless this is set. Enabling console support does
# not make the unit the preferred console - boot with -h or set
# the 0x20 flag for that. Currently, at most one unit can have
# console support; the first one (in config file order) with
# this flag set is preferred. Setting this flag for sio0 gives
# the old behaviour.
# 0x20 force this unit to be the console (unless there is another
# higher priority console). This replaces the COMCONSOLE option.
# 0x40 reserve this unit for low level console operations. Do not
#
# Options for serial drivers that support consoles (only for sio now):
options BREAK_TO_DEBUGGER #a BREAK on a comconsole goes to
#DDB, if available.
options CONSPEED=9600 #default speed for serial console (default 9600)
# Options for sio:
options COM_ESP #code for Hayes ESP
options COM_MULTIPORT #code for some cards with shared IRQs
options DSI_SOFT_MODEM #code for DSI Softmodems
#
# Network interfaces: `cx', `ed', `el', `ep', `ie', `is', `le', `lnc'
#
# ar: Arnet SYNC/570i hdlc sync 2/4 port V.35/X.21 serial driver (requires sppp)
# cx: Cronyx/Sigma multiport sync/async (with Cisco or PPP framing)
# ed: Western Digital and SMC 80xx; Novell NE1000 and NE2000; 3Com 3C503
# el: 3Com 3C501 (slow!)
# ep: 3Com 3C509 (buggy)
# fe: Fujitsu MB86960A/MB86965A Ethernet
# ie: AT&T StarLAN 10 and EN100; 3Com 3C507; unknown NI5210
# le: Digital Equipment EtherWorks 2 and EtherWorks 3 (DEPCA, DE100,
# DE101, DE200, DE201, DE202, DE203, DE204, DE205, DE422)
# lnc: Lance/PCnet cards (Isolan, Novell NE2100, NE32-VL)
# sr: RISCom/N2 hdlc sync 1/2 port V.35/X.21 serial driver (requires sppp)
# wl: Lucent Wavelan (ISA card only).
# ze: IBM/National Semiconductor PCMCIA ethernet controller.
# zp: 3Com PCMCIA Etherlink III (It does not require shared memory for
# send/receive operation, but it needs 'iomem' to read/write the
# attribute memory)
#
device ar0 at isa? port 0x300 net irq 10 iomem 0xd0000 vector arintr
device cx0 at isa? port 0x240 net irq 15 drq 7 vector cxintr
device ed0 at isa? port 0x280 net irq 5 iomem 0xd8000 vector edintr
device eg0 at isa? port 0x310 net irq 5 vector egintr
device el0 at isa? port 0x300 net irq 9 vector elintr
device ep0 at isa? port 0x300 net irq 10 vector epintr
device ex0 at isa? port? net irq? vector exintr
device fe0 at isa? port 0x300 net irq ? vector feintr
device ie0 at isa? port 0x300 net irq 5 iomem 0xd0000 vector ieintr
device ie1 at isa? port 0x360 net irq 7 iomem 0xd0000 vector ieintr
device le0 at isa? port 0x300 net irq 5 iomem 0xd0000 vector le_intr
device lnc0 at isa? port 0x300 net irq 10 drq 0 vector lncintr
device sr0 at isa? port 0x300 net irq 5 iomem 0xd0000 vector srintr
device wl0 at isa? port 0x300 net irq ? vector wlintr
# Needed so that we can (bogusly) include both the dedicated PCCARD
# drivers and the generic support
options LINT_PCCARD_HACK
device ze0 at isa? port 0x300 net irq 5 iomem 0xd8000 vector zeintr
device zp0 at isa? port 0x300 net irq 10 iomem 0xd8000 vector zpintr
#
# ATM related options
#
# The `en' device provides support for Efficient Networks (ENI)
# ENI-155 PCI midway cards, and the Adaptec 155Mbps PCI ATM cards (ANA-59x0).
#
# atm pseudo-device privides generic atm functions and is required for
# atm devices.
# NETNATM enables the netnatm protocol family that can be used to
# bypass TCP/IP.
#
# the current driver supports only PVC operations (no atm-arp, no multicast).
# for more details, please read the original documents at
# http://www.ccrc.wustl.edu/pub/chuck/bsdatm/wucs.html
#
pseudo-device atm
device en0
device en1
options NETNATM #native ATM
#
# Audio drivers: `snd', `sb', `pas', `gus', `pca'
#
# snd: Voxware sound support code
# sb: SoundBlaster PCM - SoundBlaster, SB Pro, SB16, ProAudioSpectrum
# sbxvi: SoundBlaster 16
# sbmidi: SoundBlaster 16 MIDI interface
# pas: ProAudioSpectrum PCM and MIDI
# gus: Gravis Ultrasound - Ultrasound, Ultrasound 16, Ultrasound MAX
# gusxvi: Gravis Ultrasound 16-bit PCM (do not use)
# mss: Microsoft Sound System
# opl: Yamaha OPL-2 and OPL-3 FM - SB, SB Pro, SB 16, ProAudioSpectrum
# uart: stand-alone 6850 UART for MIDI
# mpu: Roland MPU-401 stand-alone card
#
# Beware! The addresses specified below are also hard-coded in
# i386/isa/sound/sound_config.h. If you change the values here, you
# must also change the values in the include file.
#
# pca: PCM audio through your PC speaker
#
# If you don't have a lpt0 device at IRQ 7, you can remove the
# ``conflicts'' specification in the appropriate device entries below.
#
# If you have a GUS-MAX card and want to use the CS4231 codec on the
# card the drqs for the gus max must be 8 bit (1, 2, or 3).
#
# If you would like to use the full duplex option on the gus, then define
# flags to be the ``read dma channel''.
#
# options BROKEN_BUS_CLOCK #PAS-16 isn't working and OPTI chipset
# options SYMPHONY_PAS #PAS-16 isn't working and SYMPHONY chipset
# options EXCLUDE_SBPRO #PAS-16
# options SBC_IRQ=5 #PAS-16. Must match irq on sb0 line.
# PAS16: The order of the pas0/sb0/opl0 is important since the
# sb emulation is enabled in the pas-16 attach.
#
# The i386/isa/sound/sound.doc has more information.
# Controls all sound devices
controller snd0
device pas0 at isa? port 0x388 irq 10 drq 6 vector pasintr
device sb0 at isa? port 0x220 irq 5 conflicts drq 1 vector sbintr
device sbxvi0 at isa? port? irq? drq 5 conflicts
device sbmidi0 at isa? port 0x330 irq? conflicts
#device awe0 at isa? port 0x620
device gus0 at isa? port 0x220 irq 12 drq 1 vector gusintr
#device gus0 at isa? port 0x220 irq 12 drq 1 flags 0x3 vector gusintr
device mss0 at isa? port 0x530 irq 10 drq 1 vector adintr
device opl0 at isa? port 0x388 conflicts
device mpu0 at isa? port 0x330 irq 6 drq 0
device uart0 at isa? port 0x330 irq 5 vector "m6850intr"
# More undocumented sound devices with bogus configurations for linting.
# broken
#device sscape0 at isa? port 0x330 irq 6 drq 0
#device trix0 at isa? port 0x330 irq 6 drq 0 vector sscapeintr
# Not controlled by `snd'
device pca0 at isa? port IO_TIMER1 tty
#
# Miscellaneous hardware:
#
# mcd: Mitsumi CD-ROM
# scd: Sony CD-ROM
# matcd: Matsushita/Panasonic CD-ROM
# wt: Wangtek and Archive QIC-02/QIC-36 tape drives
# ctx: Cortex-I frame grabber
# apm: Laptop Advanced Power Management (experimental)
# spigot: The Creative Labs Video Spigot video-acquisition board
# meteor: Matrox Meteor video capture board
# bktr: Bt848 capture boards (http://www.freebsd.org/~fsmp/HomeAuto/Bt848.html)
# cy: Cyclades serial driver
# dgb: Digiboard PC/Xi and PC/Xe series driver (ALPHA QUALITY!)
# gp: National Instruments AT-GPIB and AT-GPIB/TNT board
# asc: GI1904-based hand scanners, e.g. the Trust Amiscan Grey
# gsc: Genius GS-4500 hand scanner.
# joy: joystick
# labpc: National Instrument's Lab-PC and Lab-PC+
# rc: RISCom/8 multiport card
# tw: TW-523 power line interface for use with X-10 home control products
# si: Specialix SI/XIO 4-32 port terminal multiplexor
# stl: Stallion EasyIO and EasyConnection 8/32 (cd1400 based)
# stli: Stallion EasyConnection 8/64, ONboard, Brumby (intelligent)
#
# Notes on APM
# The flags takes the following meaning for apm0:
# 0x0020 Statclock is broken.
# 0x0011 Limit APM protocol to 1.1 or 1.0
# 0x0010 Limit APM protocol to 1.0
#
#
# Notes on the spigot:
# The video spigot is at 0xad6. This port address can not be changed.
# The irq values may only be 10, 11, or 15
# I/O memory is an 8kb region. Possible values are:
# 0a0000, 0a2000, ..., 0fffff, f00000, f02000, ..., ffffff
# The start address must be on an even boundary.
# Add the following option if you want to allow non-root users to be able
# to access the spigot. This option is not secure because it allows users
# direct access to the I/O page.
# options SPIGOT_UNSECURE
#
# Notes on the Digiboard driver:
#
# The following flag values have special meanings:
# 0x01 - alternate layout of pins
# 0x02 - use the windowed PC/Xe in 64K mode
# Notes on the Specialix SI/XIO driver:
# **This is NOT a Specialix supported Driver!**
# The host card is memory, not IO mapped.
# The Rev 1 host cards use a 64K chunk, on a 32K boundary.
# The Rev 2 host cards use a 32K chunk, on a 32K boundary.
# The cards can use an IRQ of 11, 12 or 15.
# Notes on the Stallion stl and stli drivers:
# See src/i386/isa/README.stl for complete instructions.
# This is version 0.0.5alpha, unsupported by Stallion.
# The stl driver has a secondary IO port hard coded at 0x280. You need
# to change src/i386/isa/stallion.c if you reconfigure this on the boards.
# The "flags" and "iosiz" settings on the stli driver depend on the board:
# EasyConnection 8/64 ISA: flags 23 iosiz 0x1000
# EasyConnection 8/64 EISA: flags 24 iosiz 0x10000
# EasyConnection 8/64 MCA: flags 25 iosiz 0x1000
# ONboard ISA: flags 4 iosiz 0x10000
# ONboard EISA: flags 7 iosiz 0x10000
# ONboard MCA: flags 3 iosiz 0x10000
# Brumby: flags 2 iosiz 0x4000
# Stallion: flags 1 iosiz 0x10000
device mcd0 at isa? port 0x300 bio irq 10 vector mcdintr
# for the Sony CDU31/33A CDROM
device scd0 at isa? port 0x230 bio
# for the SoundBlaster 16 multicd - up to 4 devices
controller matcd0 at isa? port 0x230 bio
device wt0 at isa? port 0x300 bio irq 5 drq 1 vector wtintr
device ctx0 at isa? port 0x230 iomem 0xd0000
device spigot0 at isa? port 0xad6 irq 15 iomem 0xee000 vector spigintr
device qcam0 at isa? port "IO_LPT3" tty
device apm0 at isa?
device gp0 at isa? port 0x2c0 tty
device gsc0 at isa? port "IO_GSC1" tty drq 3
device joy0 at isa? port "IO_GAME"
device cy0 at isa? tty irq 10 iomem 0xd4000 iosiz 0x2000 vector cyintr
device dgb0 at isa? port 0x220 iomem 0xfc0000 iosiz ? tty
device labpc0 at isa? port 0x260 tty irq 5 vector labpcintr
device rc0 at isa? port 0x220 tty irq 12 vector rcintr
# the port and irq for tw0 are fictitious
device tw0 at isa? port 0x380 tty irq 11 vector twintr
device si0 at isa? iomem 0xd0000 tty irq 12 vector siintr
device asc0 at isa? port IO_ASC1 tty drq 3 irq 10 vector ascintr
device bqu0 at isa? port 0x150
device stl0 at isa? port 0x2a0 tty irq 10 vector stlintr
device stli0 at isa? port 0x2a0 tty iomem 0xcc000 flags 23 iosiz 0x1000
#
# EISA devices:
#
# The EISA bus device is eisa0. It provides auto-detection and
# configuration support for all devices on the EISA bus.
#
# The `ahb' device provides support for the Adaptec 174X adapter.
#
# The `ahc' device provides support for the Adaptec 274X and 284X
# adapters. The 284X, although a VLB card responds to EISA probes.
#
# fea: DEC DEFEA EISA FDDI adapter
#
controller eisa0
controller ahb0
controller ahc0
device fea0
# enable tagged command queuing, which is a major performance win on
# devices that support it (and controllers with enough SCB's)
options AHC_TAGENABLE
# enable SCB paging - See the ahc.4 man page
options AHC_SCBPAGING_ENABLE
# The aic7xxx driver will attempt to use memory mapped I/O for all PCI
# controllers that have it configured only if this option is set. Unfortunately,
# this doesn't work on some motherboards, which prevents it from being the
# default.
options AHC_ALLOW_MEMIO
# By default, only 10 EISA slots are probed, since the slot numbers
# above clash with the configuration address space of the PCI subsystem,
# and the EISA probe is not very smart about this. This is sufficient
# for most machines, but in particular the HP NetServer LC series comes
# with an onboard AIC7770 dual-channel SCSI controller on EISA slot #11,
# thus you need to bump this figure to 12 for them.
options "EISA_SLOTS=12"
#
# PCI devices:
#
# The main PCI bus device is `pci'. It provides auto-detection and
# configuration support for all devices on the PCI bus, using either
# configuration mode defined in the PCI specification.
#
# The `ahc' device provides support for the Adaptec 29/3940(U)(W)
# and motherboard based AIC7870/AIC7880 adapters.
#
# The `ncr' device provides support for the NCR 53C810 and 53C825
# self-contained SCSI host adapters.
#
# The `amd' device provides support for the Tekram DC-390 and 390T
# SCSI host adapters, but is expected to work with any AMD 53c974
# PCI SCSI chip and the AMD Ethernet+SCSI Combo chip, after some
# local patches were applied to the sources (that had originally
# been written by Tekram and limited to work with their SCSI cards).
#
# The `de' device provides support for the Digital Equipment DC21040
# self-contained Ethernet adapter.
#
# The `fxp' device provides support for the Intel EtherExpress Pro/100B
# PCI Fast Ethernet adapters.
#
# The `vx' device provides support for the 3Com 3C590 and 3C595
# early support
#
# The `fpa' device provides support for the Digital DEFPA PCI FDDI
# adapter. pseudo-device fddi is also needed.
#
# The `meteor' device is a PCI video capture board. It can also have the
# following options:
# options METEOR_ALLOC_PAGES=xxx preallocate kernel pages for data entry
# figure (ROWS*COLUMN*BYTES_PER_PIXEL*FRAME+PAGE_SIZE-1)/PAGE_SIZE
# options METEOR_DEALLOC_PAGES remove all allocated pages on close(2)
# options METEOR_DEALLOC_ABOVE=xxx remove all allocated pages above the
# specified amount. If this value is below the allocated amount no action
# taken
# option METEOR_SYSTEM_DEFAULT={METEOR_PAL|METEOR_NTSC|METEOR_SECAM}, used
# for initialization of fps routine when a signal is not present.
#
# The 'bktr' device is a PCI video capture board. It also has a TV tuner
# on board.
#
controller pci0
controller ahc1
controller ncr0
controller amd0
device de0
device fxp0
device vx0
device fpa0
device meteor0
device bktr0
#
# PCCARD/PCMCIA
#
# crd: slot controller
# pcic: slots
controller crd0
controller pcic0 at crd?
controller pcic1 at crd?
#
# Laptop/Notebook options:
#
# See also:
# apm under `Miscellaneous hardware'
# above.
# For older notebooks that signal a powerfail condition (external
# power supply dropped, or battery state low) by issuing an NMI:
options POWERFAIL_NMI # make it beep instead of panicing
# Kernel BOOTP support
options BOOTP # Use BOOTP to obtain IP address/hostname
options BOOTP_NFSROOT # NFS mount root filesystem using BOOTP info
options "BOOTP_NFSV3" # Use NFS v3 to NFS mount root
options BOOTP_COMPAT # Workaround for broken bootp daemons.
#
# An obsolete option to test kern_opt.c.
#
options GATEWAY
# More undocumented options for linting.
options CLK_CALIBRATION_LOOP
options "CLK_USE_I8254_CALIBRATION"
options "CLK_USE_I586_CALIBRATION"
options CLUSTERDEBUG
options COMPAT_LINUX
options DEBUG
options DEVFS_ROOT
options "EXT2FS"
options "I586_CTR_GUPROF"
options "I586_PMC_GUPROF=0x70000"
options "IBCS2"
options LOCKF_DEBUG
options KBD_MAXRETRY=4
options KBD_MAXWAIT=6
options KBD_RESETDELAY=201
options KBDIO_DEBUG=2
options MSGMNB=2049
options MSGMNI=41
options MSGSEG=2049
options MSGSSZ=16
options MSGTQL=41
options NBUF=512
options NMBCLUSTERS=1024
options NPX_DEBUG
options PSM_ACCEL=1
options PSM_DEBUG=1
options PSM_EMULATION
options "SCSI_2_DEF"
options SCSI_DELAY=8 # Be pessimistic about Joe SCSI device
options SCSI_NCR_DEBUG
options SCSI_NCR_DFLT_TAGS=4
options SCSI_NCR_MAX_SYNC=10000
options SCSI_NCR_MAX_WIDE=1
options SCSI_NCR_MYADDR=7
options SEMMAP=31
options SEMMNI=11
options SEMMNS=61
options SEMMNU=31
options SEMMSL=61
options SEMOPM=101
options SEMUME=11
options SHOW_BUSYBUFS # List buffers that prevent root unmount
options SHMALL=1025
options "SHMMAX=(SHMMAXPGS*PAGE_SIZE+1)"
options SHMMAXPGS=1025
options SHMMIN=2
options SHMMNI=33
options SHMSEG=9
options SI_DEBUG
options SIMPLELOCK_DEBUG
options SPX_HACK
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