The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/i386/conf/NOTES

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    1 #
    2 # NOTES -- Lines that can be cut/pasted into kernel and hints configs.
    3 #
    4 # This file contains machine dependent kernel configuration notes.  For
    5 # machine independent notes, look in /sys/conf/NOTES.
    6 #
    7 # $FreeBSD: releng/6.3/sys/i386/conf/NOTES 174616 2007-12-15 06:32:34Z scottl $
    8 #
    9 
   10 #
   11 # This directive is mandatory; it defines the architecture to be
   12 # configured for; in this case, the 386 family based IBM-PC and
   13 # compatibles.
   14 #
   15 machine         i386
   16 
   17 #
   18 # We want LINT to cover profiling as well.
   19 profile         2
   20 
   21 
   22 #####################################################################
   23 # SMP OPTIONS:
   24 #
   25 # The apic device enables the use of the I/O APIC for interrupt delivery.
   26 # The apic device can be used in both UP and SMP kernels, but is required
   27 # for SMP kernels.  Thus, the apic device is not strictly an SMP option,
   28 # but it is a prerequisite for SMP.
   29 #
   30 # Notes:
   31 #
   32 # HTT CPUs should only be used if they are enabled in the BIOS.  For
   33 # the ACPI case, ACPI only correctly tells us about any HTT CPUs if
   34 # they are enabled.  However, most HTT systems do not list HTT CPUs
   35 # in the MP Table if they are enabled, thus we guess at the HTT CPUs
   36 # for the MP Table case.  However, we shouldn't try to guess and use
   37 # these CPUs if HTT is disabled.  Thus, HTT guessing is only enabled
   38 # for the MP Table if the user explicitly asks for it via the
   39 # MPTABLE_FORCE_HTT option.  Do NOT use this option if you have HTT
   40 # disabled in your BIOS.
   41 #
   42 # IPI_PREEMPTION instructs the kernel to preempt threads running on other
   43 # CPUS if needed.  Relies on the PREEMPTION option
   44 
   45 # Mandatory:
   46 device          apic                    # I/O apic
   47 
   48 # Optional:
   49 options         MPTABLE_FORCE_HTT       # Enable HTT CPUs with the MP Table
   50 options         IPI_PREEMPTION
   51 
   52 #
   53 # Watchdog routines.
   54 #
   55 options         MP_WATCHDOG
   56 
   57 # Debugging options.
   58 #
   59 options         KDB_STOP_NMI            # Stop CPUS using NMI instead of IPI
   60 
   61 
   62 
   63 #####################################################################
   64 # CPU OPTIONS
   65 
   66 #
   67 # You must specify at least one CPU (the one you intend to run on);
   68 # deleting the specification for CPUs you don't need to use may make
   69 # parts of the system run faster.
   70 #
   71 cpu             I486_CPU
   72 cpu             I586_CPU                # aka Pentium(tm)
   73 cpu             I686_CPU                # aka Pentium Pro(tm)
   74 
   75 #
   76 # Options for CPU features.
   77 #
   78 # CPU_ATHLON_SSE_HACK tries to enable SSE instructions when the BIOS has
   79 # forgotten to enable them.
   80 #
   81 # CPU_BLUELIGHTNING_3X enables triple-clock mode on IBM Blue Lightning
   82 # CPU if CPU supports it.  The default is double-clock mode on
   83 # BlueLightning CPU box.
   84 #
   85 # CPU_BLUELIGHTNING_FPU_OP_CACHE enables FPU operand cache on IBM
   86 # BlueLightning CPU.  It works only with Cyrix FPU, and this option
   87 # should not be used with Intel FPU.
   88 #
   89 # CPU_BTB_EN enables branch target buffer on Cyrix 5x86 (NOTE 1).
   90 #
   91 # CPU_CYRIX_NO_LOCK enables weak locking for the entire address space
   92 # of Cyrix 6x86 and 6x86MX CPUs by setting the NO_LOCK bit of CCR1.
   93 # Otherwise, the NO_LOCK bit of CCR1 is cleared.  (NOTE 3)
   94 #
   95 # CPU_DIRECT_MAPPED_CACHE sets L1 cache of Cyrix 486DLC CPU in direct
   96 # mapped mode.  Default is 2-way set associative mode.
   97 #
   98 # CPU_DISABLE_5X86_LSSER disables load store serialize (i.e., enables
   99 # reorder).  This option should not be used if you use memory mapped
  100 # I/O device(s).
  101 #
  102 # CPU_DISABLE_CMPXCHG disables the CMPXCHG instruction on > i386 IA32
  103 # machines.  VmWare 3.x seems to emulate this instruction poorly, causing
  104 # the guest OS to run very slowly.  This problem appears to be fixed in
  105 # VmWare 4.x, at least in version 4.5.2, so that enabling this option with
  106 # VmWare 4.x will result in locking operations to be 20-30 times slower.
  107 # Enabling this with an SMP kernel will cause the kernel to be unusable.
  108 #
  109 # CPU_DISABLE_SSE explicitly prevents I686_CPU from turning on SSE.
  110 #
  111 # CPU_ELAN enables support for AMDs ElanSC520 CPU.
  112 #    CPU_ELAN_PPS enables precision timestamp code.
  113 #    CPU_ELAN_XTAL sets the clock crystal frequency in Hz.
  114 #
  115 # CPU_ENABLE_LONGRUN enables support for Transmeta Crusoe LongRun
  116 # technology which allows to restrict power consumption of the CPU by
  117 # using group of hw.crusoe.* sysctls.
  118 #
  119 # CPU_FASTER_5X86_FPU enables faster FPU exception handler.
  120 #
  121 # CPU_GEODE is for the SC1100 Geode embedded processor.  This option
  122 # is necessary because the i8254 timecounter is toast.
  123 #
  124 # CPU_I486_ON_386 enables CPU cache on i486 based CPU upgrade products
  125 # for i386 machines.
  126 #
  127 # CPU_IORT defines I/O clock delay time (NOTE 1).  Default values of
  128 # I/O clock delay time on Cyrix 5x86 and 6x86 are 0 and 7,respectively
  129 # (no clock delay).
  130 #
  131 # CPU_L2_LATENCY specifies the L2 cache latency value.  This option is used
  132 # only when CPU_PPRO2CELERON is defined and Mendocino Celeron is detected.
  133 # The default value is 5.
  134 #
  135 # CPU_LOOP_EN prevents flushing the prefetch buffer if the destination
  136 # of a jump is already present in the prefetch buffer on Cyrix 5x86(NOTE
  137 # 1).
  138 #
  139 # CPU_PPRO2CELERON enables L2 cache of Mendocino Celeron CPUs.  This option
  140 # is useful when you use Socket 8 to Socket 370 converter, because most Pentium
  141 # Pro BIOSs do not enable L2 cache of Mendocino Celeron CPUs.
  142 #
  143 # CPU_RSTK_EN enables return stack on Cyrix 5x86 (NOTE 1).
  144 #
  145 # CPU_SOEKRIS enables support www.soekris.com hardware.
  146 #
  147 # CPU_SUSP_HLT enables suspend on HALT.  If this option is set, CPU
  148 # enters suspend mode following execution of HALT instruction.
  149 #
  150 # CPU_UPGRADE_HW_CACHE eliminates unneeded cache flush instruction(s).
  151 #
  152 # CPU_WT_ALLOC enables write allocation on Cyrix 6x86/6x86MX and AMD
  153 # K5/K6/K6-2 CPUs.
  154 #
  155 # CYRIX_CACHE_WORKS enables CPU cache on Cyrix 486 CPUs with cache
  156 # flush at hold state.
  157 #
  158 # CYRIX_CACHE_REALLY_WORKS enables (1) CPU cache on Cyrix 486 CPUs
  159 # without cache flush at hold state, and (2) write-back CPU cache on
  160 # Cyrix 6x86 whose revision < 2.7 (NOTE 2).
  161 #
  162 # NO_F00F_HACK disables the hack that prevents Pentiums (and ONLY
  163 # Pentiums) from locking up when a LOCK CMPXCHG8B instruction is
  164 # executed.  This option is only needed if I586_CPU is also defined,
  165 # and should be included for any non-Pentium CPU that defines it.
  166 #
  167 # NO_MEMORY_HOLE is an optimisation for systems with AMD K6 processors
  168 # which indicates that the 15-16MB range is *definitely* not being
  169 # occupied by an ISA memory hole.
  170 #
  171 # NOTE 1: The options, CPU_BTB_EN, CPU_LOOP_EN, CPU_IORT,
  172 # CPU_LOOP_EN and CPU_RSTK_EN should not be used because of CPU bugs.
  173 # These options may crash your system.
  174 #
  175 # NOTE 2: If CYRIX_CACHE_REALLY_WORKS is not set, CPU cache is enabled
  176 # in write-through mode when revision < 2.7.  If revision of Cyrix
  177 # 6x86 >= 2.7, CPU cache is always enabled in write-back mode.
  178 #
  179 # NOTE 3: This option may cause failures for software that requires
  180 # locked cycles in order to operate correctly.
  181 #
  182 options         CPU_ATHLON_SSE_HACK
  183 options         CPU_BLUELIGHTNING_3X
  184 options         CPU_BLUELIGHTNING_FPU_OP_CACHE
  185 options         CPU_BTB_EN
  186 options         CPU_DIRECT_MAPPED_CACHE
  187 options         CPU_DISABLE_5X86_LSSER
  188 options         CPU_DISABLE_CMPXCHG
  189 #options        CPU_DISABLE_SSE
  190 options         CPU_ELAN
  191 options         CPU_ELAN_PPS
  192 options         CPU_ELAN_XTAL=32768000
  193 options         CPU_ENABLE_LONGRUN
  194 options         CPU_FASTER_5X86_FPU
  195 options         CPU_GEODE
  196 options         CPU_I486_ON_386
  197 options         CPU_IORT
  198 options         CPU_L2_LATENCY=5
  199 options         CPU_LOOP_EN
  200 options         CPU_PPRO2CELERON
  201 options         CPU_RSTK_EN
  202 options         CPU_SOEKRIS
  203 options         CPU_SUSP_HLT
  204 options         CPU_UPGRADE_HW_CACHE
  205 options         CPU_WT_ALLOC
  206 options         CYRIX_CACHE_WORKS
  207 options         CYRIX_CACHE_REALLY_WORKS
  208 #options        NO_F00F_HACK
  209 
  210 # Debug options
  211 options         NPX_DEBUG       # enable npx debugging
  212 
  213 #
  214 # PERFMON causes the driver for Pentium/Pentium Pro performance counters
  215 # to be compiled.  See perfmon(4) for more information.
  216 #
  217 options         PERFMON
  218 
  219 #
  220 # XBOX causes the kernel to be bootable on the Microsoft XBox console system.
  221 # The resulting kernel will auto-detect whether it is being booted on a XBox,
  222 # so kernels compiled with this option will also work on an ordinary PC.
  223 # This option requires I686_CPU.
  224 #
  225 # xboxfb includes support for the XBox frame buffer device. It is fully USB-
  226 # keyboard aware, and will only be used if an xbox is detected. This option
  227 # (obviously) requires XBOX support in your kernel, and depends on syscons(4)
  228 # as well.
  229 #
  230 options         XBOX
  231 device          xboxfb
  232 
  233 
  234 #####################################################################
  235 # NETWORKING OPTIONS
  236 
  237 #
  238 # DEVICE_POLLING adds support for mixed interrupt-polling handling
  239 # of network device drivers, which has significant benefits in terms
  240 # of robustness to overloads and responsivity, as well as permitting
  241 # accurate scheduling of the CPU time between kernel network processing
  242 # and other activities.  The drawback is a moderate (up to 1/HZ seconds)
  243 # potential increase in response times.
  244 # It is strongly recommended to use HZ=1000 or 2000 with DEVICE_POLLING
  245 # to achieve smoother behaviour.
  246 # Additionally, you can enable/disable polling at runtime with help of
  247 # the ifconfig(8) utility, and select the CPU fraction reserved to
  248 # userland with the sysctl variable kern.polling.user_frac
  249 # (default 50, range 0..100).
  250 #
  251 # Not all device drivers support this mode of operation at the time of
  252 # this writing.  See polling(4) for more details.
  253 
  254 options         DEVICE_POLLING
  255 
  256 
  257 #####################################################################
  258 # CLOCK OPTIONS
  259 
  260 # The following options are used for debugging clock behavior only, and
  261 # should not be used for production systems.
  262 
  263 # CLK_CALIBRATION_LOOP causes clock calibration to be run in a loop at
  264 # startup until the user presses a key.  (The i8254 clock is always
  265 # calibrated relative to the RTC (mc146818a) and this option causes the
  266 # calibration to be repeated.)
  267 options         CLK_CALIBRATION_LOOP
  268 
  269 # CLK_USE_I8254_CALIBRATION causes the calibrated frequency of the i8254
  270 # clock to actually be used.
  271 options         CLK_USE_I8254_CALIBRATION
  272 
  273 
  274 #####################################################################
  275 # MISCELLANEOUS DEVICES AND OPTIONS
  276 
  277 device          speaker         #Play IBM BASIC-style noises out your speaker
  278 hint.speaker.0.at="isa"
  279 hint.speaker.0.port="0x61"
  280 device          gzip            #Exec gzipped a.out's.  REQUIRES COMPAT_AOUT!
  281 device          apm_saver       # Requires APM
  282 
  283 
  284 #####################################################################
  285 # HARDWARE BUS CONFIGURATION
  286 
  287 #
  288 # ISA bus
  289 #
  290 device          isa             # Required by npx(4)
  291 
  292 #
  293 # Options for `isa':
  294 #
  295 # AUTO_EOI_1 enables the `automatic EOI' feature for the master 8259A
  296 # interrupt controller.  This saves about 0.7-1.25 usec for each interrupt.
  297 # This option breaks suspend/resume on some portables.
  298 #
  299 # AUTO_EOI_2 enables the `automatic EOI' feature for the slave 8259A
  300 # interrupt controller.  This saves about 0.7-1.25 usec for each interrupt.
  301 # Automatic EOI is documented not to work for for the slave with the
  302 # original i8259A, but it works for some clones and some integrated
  303 # versions.
  304 #
  305 # MAXMEM specifies the amount of RAM on the machine; if this is not
  306 # specified, FreeBSD will first read the amount of memory from the CMOS
  307 # RAM, so the amount of memory will initially be limited to 64MB or 16MB
  308 # depending on the BIOS.  If the BIOS reports 64MB, a memory probe will
  309 # then attempt to detect the installed amount of RAM.  If this probe
  310 # fails to detect >64MB RAM you will have to use the MAXMEM option.
  311 # The amount is in kilobytes, so for a machine with 128MB of RAM, it would
  312 # be 131072 (128 * 1024).
  313 #
  314 # BROKEN_KEYBOARD_RESET disables the use of the keyboard controller to
  315 # reset the CPU for reboot.  This is needed on some systems with broken
  316 # keyboard controllers.
  317 
  318 options         AUTO_EOI_1
  319 #options        AUTO_EOI_2
  320 
  321 options         MAXMEM=(128*1024)
  322 #options        BROKEN_KEYBOARD_RESET
  323 
  324 #
  325 # EISA bus
  326 #
  327 # The EISA bus device is `eisa'.  It provides auto-detection and
  328 # configuration support for all devices on the EISA bus.
  329 
  330 device          eisa
  331 
  332 # By default, only 10 EISA slots are probed, since the slot numbers
  333 # above clash with the configuration address space of the PCI subsystem,
  334 # and the EISA probe is not very smart about this.  This is sufficient
  335 # for most machines, but in particular the HP NetServer LC series comes
  336 # with an onboard AIC7770 dual-channel SCSI controller on EISA slot #11,
  337 # thus you need to bump this figure to 12 for them.
  338 options         EISA_SLOTS=12
  339 
  340 #
  341 # MCA bus:
  342 #
  343 # The MCA bus device is `mca'.  It provides auto-detection and
  344 # configuration support for all devices on the MCA bus.
  345 # No hints are required for MCA.
  346 
  347 device          mca
  348 
  349 #
  350 # PCI bus & PCI options:
  351 #
  352 device          pci
  353 
  354 #
  355 # AGP GART support
  356 device          agp
  357 
  358 
  359 #####################################################################
  360 # HARDWARE DEVICE CONFIGURATION
  361 
  362 # To include support for VGA VESA video modes
  363 options         VESA
  364 
  365 # Turn on extra debugging checks and output for VESA support.
  366 options         VESA_DEBUG
  367 
  368 # The pcvt console driver (vt220 compatible).
  369 device          vt
  370 hint.vt.0.at="isa"
  371 options         XSERVER                 # support for running an X server on vt
  372 options         FAT_CURSOR              # start with block cursor
  373 # This PCVT option is for keyboards such as those used on really old ThinkPads
  374 options         PCVT_SCANSET=2
  375 # Other PCVT options are documented in pcvt(4).
  376 options         PCVT_24LINESDEF
  377 options         PCVT_CTRL_ALT_DEL
  378 options         PCVT_META_ESC
  379 options         PCVT_NSCREENS=9
  380 options         PCVT_PRETTYSCRNS
  381 options         PCVT_SCREENSAVER
  382 options         PCVT_USEKBDSEC
  383 options         PCVT_VT220KEYB
  384 options         PCVT_GREENSAVER
  385 
  386 #
  387 # The Numeric Processing eXtension driver.  This is non-optional.
  388 device          npx
  389 hint.npx.0.flags="0x0"
  390 hint.npx.0.irq="13"
  391 
  392 #
  393 # `flags' for npx0:
  394 #       0x01    don't use the npx registers to optimize bcopy.
  395 #       0x02    don't use the npx registers to optimize bzero.
  396 #       0x04    don't use the npx registers to optimize copyin or copyout.
  397 # The npx registers are normally used to optimize copying and zeroing when
  398 # all of the following conditions are satisfied:
  399 #       I586_CPU is an option
  400 #       the cpu is an i586 (perhaps not a Pentium)
  401 #       the probe for npx0 succeeds
  402 #       INT 16 exception handling works.
  403 # Then copying and zeroing using the npx registers is normally 30-100% faster.
  404 # The flags can be used to control cases where it doesn't work or is slower.
  405 # Setting them at boot time using hints works right (the optimizations
  406 # are not used until later in the bootstrap when npx0 is attached).
  407 # Flag 0x08 automatically disables the i586 optimized routines.
  408 #
  409 
  410 #
  411 # Optional devices:
  412 #
  413 
  414 # 3Dfx Voodoo Graphics, Voodoo II /dev/3dfx CDEV support.  This will create
  415 # the /dev/3dfx0 device to work with glide implementations.  This should get
  416 # linked to /dev/3dfx and /dev/voodoo.  Note that this is not the same as
  417 # the tdfx DRI module from XFree86 and is completely unrelated.
  418 #
  419 # To enable Linuxulator support, one must also include COMPAT_LINUX in the
  420 # config as well, or you will not have the dependencies.  The other option
  421 # is to load both as modules.
  422 
  423 device          tdfx                    # Enable 3Dfx Voodoo support
  424 options         TDFX_LINUX              # Enable Linuxulator support
  425 
  426 #
  427 # ACPI support using the Intel ACPI Component Architecture reference
  428 # implementation.
  429 #
  430 # ACPI_DEBUG enables the use of the debug.acpi.level and debug.acpi.layer
  431 # kernel environment variables to select initial debugging levels for the
  432 # Intel ACPICA code.  (Note that the Intel code must also have USE_DEBUGGER
  433 # defined when it is built).
  434 #
  435 # ACPI_NO_SEMAPHORES makes the AcpiOs*Semaphore routines a no-op.
  436 #
  437 # ACPICA_PEDANTIC enables strict checking of AML.  Our default is to
  438 # relax these checks to allow code generated by the Microsoft compiler
  439 # to still execute.
  440 #
  441 # Note that building ACPI into the kernel is deprecated; the module is
  442 # normally loaded automatically by the loader.
  443 
  444 device          acpi
  445 options         ACPI_DEBUG
  446 #!options       ACPI_NO_SEMAPHORES
  447 #!options       ACPICA_PEDANTIC
  448 
  449 # ACPI Asus Extras (LCD backlight/brightness, video output, etc.)
  450 device          acpi_asus
  451 
  452 # ACPI Fujitsu Extras (Buttons)
  453 device          acpi_fujitsu
  454 
  455 # ACPI extras driver for IBM laptops
  456 device         acpi_ibm
  457 
  458 # ACPI Panasonic Extras (LCD backlight/brightness, video output, etc.)
  459 device          acpi_panasonic
  460 
  461 # ACPI Sony extra (LCD brightness)
  462 device          acpi_sony
  463 
  464 # ACPI Toshiba Extras (LCD backlight/brightness, video output, etc.)
  465 device          acpi_toshiba
  466 
  467 # ACPI Video Extensions (LCD backlight/brightness, video output, etc.)
  468 device          acpi_video
  469 
  470 # ACPI Docking Station
  471 device          acpi_dock
  472 
  473 # The cpufreq(4) driver provides support for non-ACPI CPU frequency control
  474 device          cpufreq
  475 
  476 # Direct Rendering modules for 3D acceleration.
  477 device          drm             # DRM core module required by DRM drivers
  478 device          i915drm         # Intel i830 through i915
  479 device          mach64drm       # ATI Rage Pro, Rage Mobility P/M, Rage XL
  480 device          mgadrm          # AGP Matrox G200, G400, G450, G550
  481 device          r128drm         # ATI Rage 128
  482 device          radeondrm       # ATI Radeon
  483 device          savagedrm       # S3 Savage3D, Savage4
  484 device          sisdrm          # SiS 300/305, 540, 630
  485 device          tdfxdrm         # 3dfx Voodoo 3/4/5 and Banshee
  486 options         DRM_DEBUG       # Include debug printfs (slow)
  487 
  488 #
  489 # mse: Logitech and ATI InPort bus mouse ports
  490 
  491 device          mse
  492 hint.mse.0.at="isa"
  493 hint.mse.0.port="0x23c"
  494 hint.mse.0.irq="5"
  495 
  496 #
  497 # Network interfaces:
  498 #
  499 
  500 # ar:   Arnet SYNC/570i hdlc sync 2/4 port V.35/X.21 serial driver
  501 #       (requires sppp)
  502 # arl:  Aironet Arlan 655 wireless adapters.
  503 # ath:  Atheros a/b/g WiFi adapters (requires ath_hal and wlan)
  504 # ce:   Cronyx Tau-PCI/32 sync single/dual port G.703/E1 serial adaptor
  505 #       with 32 HDLC subchannels (requires sppp (default), or NETGRAPH if
  506 #       NETGRAPH_CRONYX is configured)
  507 # cp:   Cronyx Tau-PCI sync single/dual/four port
  508 #       V.35/RS-232/RS-530/RS-449/X.21/G.703/E1/E3/T3/STS-1
  509 #       serial adaptor (requires sppp (default), or NETGRAPH if
  510 #       NETGRAPH_CRONYX is configured)
  511 # ctau: Cronyx Tau sync dual port V.35/RS-232/RS-530/RS-449/X.21/G.703/E1
  512 #       serial adaptor (requires sppp (default), or NETGRAPH if
  513 #       NETGRAPH_CRONYX is configured)
  514 # cx:   Cronyx Sigma multiport sync/async adapter (requires sppp (default),
  515 #       or NETGRAPH if NETGRAPH_CRONYX is configured)
  516 # ed:   Western Digital and SMC 80xx; Novell NE1000 and NE2000; 3Com 3C503
  517 #       HP PC Lan+, various PC Card devices (refer to etc/defaults/pccard.conf)
  518 #       (requires miibus)
  519 # el:   3Com 3C501 (slow!)
  520 # ie:   AT&T StarLAN 10 and EN100; 3Com 3C507; unknown NI5210;
  521 #       Intel EtherExpress
  522 # lnc:  Lance/PCnet cards (Isolan, Novell NE2100, NE32-VL, AMD Am7990 and
  523 #       Am79C960)
  524 # mxge: Myricom Myri-10G 10GbE NIC
  525 # nve:  nVidia nForce MCP on-board Ethernet Networking
  526 # oltr: Olicom ISA token-ring adapters OC-3115, OC-3117, OC-3118 and OC-3133.
  527 #       Olicom PCI token-ring adapters OC-3136, OC-3137, OC-3139, OC-3140,
  528 #       OC-3141, OC-3540 and OC-3250.
  529 # sbni: Granch SBNI12-xx ISA and PCI adapters
  530 # sr:   RISCom/N2 hdlc sync 1/2 port V.35/X.21 serial driver (requires sppp)
  531 # wl:   Lucent Wavelan (ISA card only).
  532 
  533 # Order for ISA/EISA devices is important here
  534 
  535 device          ar
  536 hint.ar.0.at="isa"
  537 hint.ar.0.port="0x300"
  538 hint.ar.0.irq="10"
  539 hint.ar.0.maddr="0xd0000"
  540 device          arl
  541 hint.arl.0.at="isa"
  542 hint.arl.0.irq="9"
  543 hint.arl.0.maddr="0xd0000"
  544 device          ce
  545 device          cp
  546 device          ctau
  547 hint.ctau.0.at="isa"
  548 hint.ctau.0.port="0x240"
  549 hint.ctau.0.irq="15"
  550 hint.ctau.0.drq="7"
  551 device          cx
  552 hint.cx.0.at="isa"
  553 hint.cx.0.port="0x240"
  554 hint.cx.0.irq="15"
  555 hint.cx.0.drq="7"
  556 #options        NETGRAPH_CRONYX         # Enable NETGRAPH support for Cronyx adapter(s)
  557 device          ed
  558 #options        ED_NO_MIIBUS            # Disable ed miibus support
  559 options         ED_3C503
  560 options         ED_HPP
  561 options         ED_SIC
  562 hint.ed.0.at="isa"
  563 hint.ed.0.port="0x280"
  564 hint.ed.0.irq="5"
  565 hint.ed.0.maddr="0xd8000"
  566 device          el
  567 hint.el.0.at="isa"
  568 hint.el.0.port="0x300"
  569 hint.el.0.irq="9"
  570 device          ie                      # Hints only required for Starlan
  571 hint.ie.2.at="isa"
  572 hint.ie.2.port="0x300"
  573 hint.ie.2.irq="5"
  574 hint.ie.2.maddr="0xd0000"
  575 device          lnc
  576 hint.lnc.0.at="isa"
  577 hint.lnc.0.port="0x280"
  578 hint.lnc.0.irq="10"
  579 hint.lnc.0.drq="0"
  580 device          mxge            # Myricom Myri-10G 10GbE NIC
  581 device          nve             # nVidia nForce MCP on-board Ethernet Networking
  582 device          sbni
  583 hint.sbni.0.at="isa"
  584 hint.sbni.0.port="0x210"
  585 hint.sbni.0.irq="0xefdead"
  586 hint.sbni.0.flags="0"
  587 device          sr
  588 hint.sr.0.at="isa"
  589 hint.sr.0.port="0x300"
  590 hint.sr.0.irq="5"
  591 hint.sr.0.maddr="0xd0000"
  592 device          oltr
  593 hint.oltr.0.at="isa"
  594 device          wl
  595 hint.wl.0.at="isa"
  596 hint.wl.0.port="0x300"
  597 options         WLCACHE         # enables the signal-strength cache
  598 options         WLDEBUG         # enables verbose debugging output
  599 
  600 device          ath
  601 device          ath_hal         # Atheros HAL (includes binary component)
  602 #device         ath_rate_amrr   # AMRR rate control for ath driver
  603 #device         ath_rate_onoe   # Onoe rate control for ath driver
  604 device          ath_rate_sample # SampleRate rate control for the ath driver
  605 #device         wlan            # 802.11 layer
  606 
  607 #
  608 # ATA raid adapters
  609 #
  610 device          pst
  611 
  612 #
  613 # Areca 11xx and 12xx series of SATA II RAID controllers.
  614 # CAM is required.
  615 #
  616 device          arcmsr          # Areca SATA II RAID
  617 
  618 #
  619 # 3ware 9000 series PATA/SATA RAID controller driver and options.
  620 # The driver is implemented as a SIM, and so, needs the CAM infrastructure.
  621 #
  622 options         TWA_DEBUG               # 0-10; 10 prints the most messages.
  623 options         TWA_FLASH_FIRMWARE      # firmware image bundled when defined.
  624 device          twa                     # 3ware 9000 series PATA/SATA RAID
  625 
  626 #
  627 # SCSI host adapters:
  628 #
  629 # ncv: NCR 53C500 based SCSI host adapters.
  630 # nsp: Workbit Ninja SCSI-3 based PC Card SCSI host adapters.
  631 # stg: TMC 18C30, 18C50 based SCSI host adapters.
  632 
  633 device          ncv
  634 device          nsp
  635 device          stg
  636 hint.stg.0.at="isa"
  637 hint.stg.0.port="0x140"
  638 hint.stg.0.port="11"
  639 
  640 #
  641 # Adaptec FSA RAID controllers, including integrated DELL controllers,
  642 # the Dell PERC 2/QC and the HP NetRAID-4M
  643 device          aac
  644 device          aacp    # SCSI Passthrough interface (optional, CAM required)
  645 
  646 #
  647 # Highpoint RocketRAID 182x.  This is really just software RAID on a
  648 # Marvell SATA chip.
  649 device          hptmv
  650 
  651 # 
  652 # Highpoint RocketRAID.  Supports RR172x, RR222x, RR2240, RR232x, RR2340,
  653 # RR2210, RR174x, RR2522, RR231x, RR230x.
  654 device          hptrr
  655 
  656 #
  657 # Highpoint RocketRAID 232x.  This is software RAID but with hardware
  658 # acceleration assistance for RAID_5.
  659 device          rr232x
  660 
  661 #
  662 # IBM (now Adaptec) ServeRAID controllers
  663 device          ips
  664 
  665 #
  666 # SafeNet crypto driver: can be moved to the MI NOTES as soon as
  667 # it's tested on a big-endian machine
  668 #
  669 device          safe            # SafeNet 1141
  670 options         SAFE_DEBUG      # enable debugging support: hw.safe.debug
  671 options         SAFE_RNDTEST    # enable rndtest support
  672 
  673 #####################################################################
  674 
  675 #
  676 # Miscellaneous hardware:
  677 #
  678 # apm: Laptop Advanced Power Management (experimental)
  679 # cy: Cyclades serial driver
  680 # digi: Digiboard driver
  681 # ipmi: Intelligent Platform Management Interface
  682 # pmtimer: Timer device driver for power management events (APM or ACPI)
  683 # spic: Sony Programmable I/O controller (VAIO notebooks)
  684 
  685 # Notes on APM
  686 #  The flags takes the following meaning for apm0:
  687 #    0x0020  Statclock is broken.
  688 
  689 # Notes on the Specialix SI/XIO driver:
  690 #  The host card is memory, not IO mapped.
  691 #  The Rev 1 host cards use a 64K chunk, on a 32K boundary.
  692 #  The Rev 2 host cards use a 32K chunk, on a 32K boundary.
  693 #  The cards can use an IRQ of 11, 12 or 15.
  694 
  695 # Notes on the Sony Programmable I/O controller
  696 #  This is a temporary driver that should someday be replaced by something
  697 #  that hooks into the ACPI layer.  The device is hooked to the PIIX4's
  698 #  General Device 10 decoder, which means you have to fiddle with PCI
  699 #  registers to map it in, even though it is otherwise treated here as
  700 #  an ISA device.  At the moment, the driver polls, although the device
  701 #  is capable of generating interrupts.  It largely undocumented.
  702 #  The port location in the hint is where you WANT the device to be
  703 #  mapped.  0x10a0 seems to be traditional.  At the moment the jogdial
  704 #  is the only thing truly supported, but apparently a fair percentage
  705 #  of the Vaio extra features are controlled by this device.
  706 
  707 device          apm
  708 hint.apm.0.flags="0x20"
  709 device          cy
  710 options         CY_PCI_FASTINTR         # Use with cy_pci unless irq is shared
  711 hint.cy.0.at="isa"
  712 hint.cy.0.irq="10"
  713 hint.cy.0.maddr="0xd4000"
  714 hint.cy.0.msize="0x2000"
  715 device          digi
  716 hint.digi.0.at="isa"
  717 hint.digi.0.port="0x104"
  718 hint.digi.0.maddr="0xd0000"
  719 # BIOS & FEP/OS components of device digi.
  720 device          digi_CX
  721 device          digi_CX_PCI
  722 device          digi_EPCX
  723 device          digi_EPCX_PCI
  724 device          digi_Xe
  725 device          digi_Xem
  726 device          digi_Xr
  727 device          ipmi
  728 # Parallel (8255 PPI) basic I/O (mode 0) port (e.g. Advantech PCL-724)
  729 device          pbio
  730 hint.pbio.0.at="isa"
  731 hint.pbio.0.port="0x360"
  732 device          pmtimer                 # Adjust system timer at wakeup time
  733 device          spic
  734 hint.spic.0.at="isa"
  735 hint.spic.0.port="0x10a0"
  736 # sx device is i386 and pc98 only at the moment.
  737 device          sx
  738 options         SX_DEBUG
  739 # HOT1 Xilinx 6200 card (http://www.vcc.com/)
  740 device          xrpu
  741 
  742 #
  743 # Laptop/Notebook options:
  744 #
  745 # See also:
  746 #  apm under `Miscellaneous hardware'
  747 # above.
  748 
  749 # For older notebooks that signal a powerfail condition (external
  750 # power supply dropped, or battery state low) by issuing an NMI:
  751 
  752 options         POWERFAIL_NMI   # make it beep instead of panicing
  753 
  754 #
  755 # I2C Bus
  756 #
  757 # Philips i2c bus support is provided by the `iicbus' device.
  758 #
  759 # Supported interfaces:
  760 # pcf   Philips PCF8584 ISA-bus controller
  761 #
  762 device          pcf
  763 hint.pcf.0.at="isa"
  764 hint.pcf.0.port="0x320"
  765 hint.pcf.0.irq="5"
  766 
  767 #
  768 # Hardware watchdog timers:
  769 #
  770 # ichwd: Intel ICH watchdog timer
  771 #
  772 device          ichwd
  773 
  774 #
  775 # Temperature sensors:
  776 #
  777 # coretemp: on-die sensor on Intel Core and newer CPUs
  778 #
  779 device          coretemp
  780 
  781 #---------------------------------------------------------------------------
  782 # ISDN4BSD
  783 #
  784 # See /usr/share/examples/isdn/ROADMAP for an introduction to isdn4bsd.
  785 #
  786 # i4b passive ISDN cards support contains the following hardware drivers:
  787 #
  788 #       isic  - Siemens/Infineon ISDN ISAC/HSCX/IPAC chipset driver
  789 #       iwic  - Winbond W6692 PCI bus ISDN S/T interface controller
  790 #       ifpi  - AVM Fritz!Card PCI driver
  791 #       ifpi2  - AVM Fritz!Card PCI version 2 driver
  792 #       ihfc  - Cologne Chip HFC ISA/ISA-PnP chipset driver
  793 #       ifpnp - AVM Fritz!Card PnP driver
  794 #       itjc  - Siemens ISAC / TJNet Tiger300/320 chipset
  795 #
  796 # i4b active ISDN cards support contains the following hardware drivers:
  797 #
  798 #       iavc  - AVM B1 PCI, AVM B1 ISA, AVM T1
  799 #
  800 # Note that the ``options'' (if given) and ``device'' lines must BOTH
  801 # be uncommented to enable support for a given card !
  802 #
  803 # In addition to a hardware driver (and probably an option) the mandatory
  804 # ISDN protocol stack devices and the mandatory support device must be
  805 # enabled as well as one or more devices from the optional devices section.
  806 #
  807 #---------------------------------------------------------------------------
  808 #       isic driver (Siemens/Infineon chipsets)
  809 #
  810 device  isic
  811 #
  812 # ISA bus non-PnP Cards:
  813 # ----------------------
  814 #
  815 # Teles S0/8 or Niccy 1008
  816 options         TEL_S0_8
  817 hint.isic.0.at="isa"
  818 hint.isic.0.maddr="0xd0000"
  819 hint.isic.0.irq="5"
  820 hint.isic.0.flags="1"
  821 #
  822 # Teles S0/16 or Creatix ISDN-S0 or Niccy 1016
  823 options         TEL_S0_16
  824 hint.isic.0.at="isa"
  825 hint.isic.0.port="0xd80"
  826 hint.isic.0.maddr="0xd0000"
  827 hint.isic.0.irq="5"
  828 hint.isic.0.flags="2"
  829 #
  830 # Teles S0/16.3
  831 options         TEL_S0_16_3
  832 hint.isic.0.at="isa"
  833 hint.isic.0.port="0xd80"
  834 hint.isic.0.irq="5"
  835 hint.isic.0.flags="3"
  836 #
  837 # AVM A1 or AVM Fritz!Card
  838 options         AVM_A1
  839 hint.isic.0.at="isa"
  840 hint.isic.0.port="0x340"
  841 hint.isic.0.irq="5"
  842 hint.isic.0.flags="4"
  843 #
  844 # USRobotics Sportster ISDN TA intern
  845 options         USR_STI
  846 hint.isic.0.at="isa"
  847 hint.isic.0.port="0x268"
  848 hint.isic.0.irq="5"
  849 hint.isic.0.flags="7"
  850 #
  851 # ITK ix1 Micro ( < V.3, non-PnP version )
  852 options         ITKIX1
  853 hint.isic.0.at="isa"
  854 hint.isic.0.port="0x398"
  855 hint.isic.0.irq="10"
  856 hint.isic.0.flags="18"
  857 #
  858 # ELSA PCC-16
  859 options         ELSA_PCC16
  860 hint.isic.0.at="isa"
  861 hint.isic.0.port="0x360"
  862 hint.isic.0.irq="10"
  863 hint.isic.0.flags="20"
  864 #
  865 # ISA bus PnP Cards:
  866 # ------------------
  867 #
  868 # Teles S0/16.3 PnP
  869 options         TEL_S0_16_3_P
  870 #
  871 # Creatix ISDN-S0 P&P
  872 options         CRTX_S0_P
  873 #
  874 # Dr. Neuhaus Niccy Go@
  875 options         DRN_NGO
  876 #
  877 # Sedlbauer Win Speed
  878 options         SEDLBAUER
  879 #
  880 # Dynalink IS64PH
  881 options         DYNALINK
  882 #
  883 # ELSA QuickStep 1000pro ISA
  884 options         ELSA_QS1ISA
  885 #
  886 # Siemens I-Surf 2.0
  887 options         SIEMENS_ISURF2
  888 #
  889 # Asuscom ISDNlink 128K ISA
  890 options         ASUSCOM_IPAC
  891 #
  892 # Eicon Diehl DIVA 2.0 and 2.02
  893 options         EICON_DIVA
  894 #
  895 # Compaq Microcom 610 ISDN card (Compaq series PSB2222I)
  896 options         COMPAQ_M610
  897 #
  898 # PCI bus Cards:
  899 # --------------
  900 #
  901 # ELSA MicroLink ISDN/PCI (same as ELSA QuickStep 1000pro PCI)
  902 options         ELSA_QS1PCI
  903 #
  904 #---------------------------------------------------------------------------
  905 #       ifpnp driver for AVM Fritz!Card PnP
  906 #
  907 # AVM Fritz!Card PnP
  908 device          ifpnp
  909 #
  910 #---------------------------------------------------------------------------
  911 #       ihfc driver for Cologne Chip ISA chipsets (experimental!)
  912 #
  913 # Teles 16.3c ISA PnP
  914 # AcerISDN P10 ISA PnP
  915 # TELEINT ISDN SPEED No.1
  916 device          ihfc
  917 #
  918 #---------------------------------------------------------------------------
  919 #       ifpi driver for AVM Fritz!Card PCI
  920 #
  921 # AVM Fritz!Card PCI
  922 device          ifpi
  923 #
  924 #---------------------------------------------------------------------------
  925 #       ifpi2 driver for AVM Fritz!Card PCI version 2
  926 #
  927 # AVM Fritz!Card PCI version 2
  928 device          ifpi2
  929 #
  930 #---------------------------------------------------------------------------
  931 #       iwic driver for Winbond W6692 chipset
  932 #
  933 # ASUSCOM P-IN100-ST-D (and other Winbond W6692 based cards)
  934 device          iwic
  935 #
  936 #---------------------------------------------------------------------------
  937 #       itjc driver for Siemens ISAC / TJNet Tiger300/320 chipset
  938 #
  939 # Traverse Technologies NETjet-S
  940 # Teles PCI-TJ
  941 device          itjc
  942 #
  943 #---------------------------------------------------------------------------
  944 #       iavc driver (AVM active cards, needs i4bcapi driver!)
  945 #
  946 device          iavc
  947 #
  948 # AVM B1 ISA bus (PnP mode not supported!)
  949 # ----------------------------------------
  950 hint.iavc.0.at="isa"
  951 hint.iavc.0.port="0x150"
  952 hint.iavc.0.irq="5"
  953 #
  954 #---------------------------------------------------------------------------
  955 #       ISDN Protocol Stack - mandatory for all hardware drivers
  956 #
  957 # Q.921 / layer 2 - i4b passive cards D channel handling
  958 device          i4bq921
  959 #
  960 # Q.931 / layer 3 - i4b passive cards D channel handling
  961 device          i4bq931
  962 #
  963 # layer 4 - i4b common passive and active card handling
  964 device          i4b
  965 #
  966 #---------------------------------------------------------------------------
  967 #       ISDN devices - mandatory for all hardware drivers
  968 #
  969 # userland driver to do ISDN tracing (for passive cards only)
  970 device          i4btrc
  971 options         NI4BTRC=4
  972 #
  973 # userland driver to control the whole thing
  974 device          i4bctl
  975 #
  976 #---------------------------------------------------------------------------
  977 #       ISDN devices - optional
  978 #
  979 # userland driver for access to raw B channel
  980 device          i4brbch
  981 options         NI4BRBCH=4
  982 #
  983 # userland driver for telephony
  984 device          i4btel
  985 options         NI4BTEL=2
  986 #
  987 # network driver for IP over raw HDLC ISDN
  988 device          i4bipr
  989 options         NI4BIPR=4
  990 # enable VJ header compression detection for ipr i/f
  991 options         IPR_VJ
  992 # enable logging of the first n IP packets to isdnd (n=32 here)
  993 options         IPR_LOG=32
  994 #
  995 # network driver for sync PPP over ISDN; requires an equivalent
  996 # number of sppp device to be configured
  997 device          i4bisppp
  998 options         NI4BISPPP=4
  999 #
 1000 # B-channel interface to the netgraph subsystem
 1001 device          i4bing
 1002 options         NI4BING=2
 1003 #
 1004 # CAPI driver needed for active ISDN cards (see iavc driver above)
 1005 device          i4bcapi
 1006 #
 1007 #---------------------------------------------------------------------------
 1008 
 1009 #
 1010 # System Management Bus (SMB)
 1011 #
 1012 options         ENABLE_ALART            # Control alarm on Intel intpm driver
 1013 
 1014 #
 1015 # Set the number of PV entries per process.  Increasing this can
 1016 # stop panics related to heavy use of shared memory.  However, that can
 1017 # (combined with large amounts of physical memory) cause panics at
 1018 # boot time due the kernel running out of VM space.
 1019 #
 1020 # If you're tweaking this, you might also want to increase the sysctls
 1021 # "vm.v_free_min", "vm.v_free_reserved", and "vm.v_free_target".
 1022 #
 1023 # The value below is the one more than the default.
 1024 #
 1025 options         PMAP_SHPGPERPROC=201
 1026 
 1027 #
 1028 # Change the size of the kernel virtual address space.  Due to
 1029 # constraints in loader(8) on i386, this must be a multiple of 4.
 1030 # 256 = 1 GB of kernel address space.  Increasing this also causes
 1031 # a reduction of the address space in user processes.  512 splits
 1032 # the 4GB cpu address space in half (2GB user, 2GB kernel).  For PAE
 1033 # kernels, the value will need to be double non-PAE.  A value of 1024
 1034 # for PAE kernels is necessary to split the address space in half.
 1035 # This will likely need to be increased to handle memory sizes >4GB.
 1036 # PAE kernels default to a value of 512.
 1037 #
 1038 options         KVA_PAGES=260
 1039 
 1040 
 1041 #####################################################################
 1042 # ABI Emulation
 1043 
 1044 # Enable iBCS2 runtime support for SCO and ISC binaries
 1045 options         IBCS2
 1046 
 1047 # Emulate spx device for client side of SVR3 local X interface
 1048 options         SPX_HACK
 1049 
 1050 # Enable Linux ABI emulation
 1051 options         COMPAT_LINUX
 1052 
 1053 # Enable i386 a.out binary support
 1054 options         COMPAT_AOUT
 1055 
 1056 # Enable the linux-like proc filesystem support (requires COMPAT_LINUX
 1057 # and PSEUDOFS)
 1058 options         LINPROCFS
 1059 
 1060 #Enable the linux-like sys filesystem support (requires COMPAT_LINUX)
 1061 options         LINSYSFS
 1062 
 1063 #
 1064 # SysVR4 ABI emulation
 1065 #
 1066 # The svr4 ABI emulator can be statically compiled into the kernel or loaded as
 1067 # a KLD module.
 1068 # The STREAMS network emulation code can also be compiled statically or as a
 1069 # module.  If loaded as a module, it must be loaded before the svr4 module
 1070 # (the /usr/sbin/svr4 script does this for you).  If compiling statically,
 1071 # the `streams' device must be configured into any kernel which also
 1072 # specifies COMPAT_SVR4.  It is possible to have a statically-configured
 1073 # STREAMS device and a dynamically loadable svr4 emulator;  the /usr/sbin/svr4
 1074 # script understands that it doesn't need to load the `streams' module under
 1075 # those circumstances.
 1076 # Caveat:  At this time, `options KTRACE' is required for the svr4 emulator
 1077 # (whether static or dynamic).
 1078 #
 1079 options         COMPAT_SVR4     # build emulator statically
 1080 options         DEBUG_SVR4      # enable verbose debugging
 1081 device          streams         # STREAMS network driver (required for svr4).
 1082 
 1083 
 1084 #####################################################################
 1085 # VM OPTIONS
 1086 
 1087 # Disable the 4 MByte page PSE CPU feature.  The PSE feature allows the
 1088 # kernel to use 4 MByte pages to map the kernel instead of 4k pages.
 1089 # This saves on the amount of memory needed for page tables needed to
 1090 # map the kernel.  You should only disable this feature as a temporary
 1091 # workaround if you are having problems with it enabled.
 1092 #
 1093 #options        DISABLE_PSE
 1094 
 1095 # Disable the global pages PGE CPU feature.  The PGE feature allows pages
 1096 # to be marked with the PG_G bit.  TLB entries for these pages are not
 1097 # flushed from the cache when %cr3 is reloaded.  This can make context
 1098 # switches less expensive.  You should only disable this feature as a
 1099 # temporary workaround if you are having problems with it enabled.
 1100 #
 1101 #options        DISABLE_PG_G
 1102 
 1103 # KSTACK_PAGES is the number of memory pages to assign to the kernel
 1104 # stack of each thread.
 1105 
 1106 options         KSTACK_PAGES=3
 1107 
 1108 #####################################################################
 1109 
 1110 # More undocumented options for linting.
 1111 # Note that documenting these are not considered an affront.
 1112 
 1113 options         FB_INSTALL_CDEV         # install a CDEV entry in /dev
 1114 
 1115 # PECOFF module (Win32 Execution Format)
 1116 options         PECOFF_SUPPORT
 1117 options         PECOFF_DEBUG
 1118 
 1119 options         I4B_SMP_WORKAROUND
 1120 options         I586_PMC_GUPROF=0x70000
 1121 options         KBDIO_DEBUG=2
 1122 options         KBD_MAXRETRY=4
 1123 options         KBD_MAXWAIT=6
 1124 options         KBD_RESETDELAY=201
 1125 
 1126 options         PSM_DEBUG=1
 1127 
 1128 options         TIMER_FREQ=((14318182+6)/12)
 1129 
 1130 options         VM_KMEM_SIZE
 1131 options         VM_KMEM_SIZE_MAX
 1132 options         VM_KMEM_SIZE_SCALE
 1133 
 1134 
 1135 # The I/O device
 1136 device          io
 1137 
 1138 # asr old ioctls support, needed by raidutils
 1139 
 1140 options         ASR_COMPAT

Cache object: 29d35a6bbfd4d5507f596be3ffa7f9e7


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