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 # $FreeBSD$
    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 # Be sure to disable 'cpu I386_CPU' for SMP kernels.
   33 #
   34 # By default, mixed mode is used to route IRQ0 from the AT timer via
   35 # the 8259A master PIC through the ExtINT pin on the first I/O APIC.
   36 # This can be disabled via the NO_MIXED_MODE option.  In that case,
   37 # IRQ0 will be routed via an intpin on the first I/O APIC.  Not all
   38 # motherboards hook IRQ0 up to the first I/O APIC even though their
   39 # MP table or MADT may claim to do so.  That is why mixed mode is
   40 # enabled by default.
   41 #
   42 # HTT CPUs should only be used if they are enabled in the BIOS.  For
   43 # the ACPI case, ACPI only correctly tells us about any HTT CPUs if
   44 # they are enabled.  However, most HTT systems do not list HTT CPUs
   45 # in the MP Table if they are enabled, thus we guess at the HTT CPUs
   46 # for the MP Table case.  However, we shouldn't try to guess and use
   47 # these CPUs if HTT is disabled.  Thus, HTT guessing is only enabled
   48 # for the MP Table if the user explicitly asks for it via the
   49 # MPTABLE_FORCE_HTT option.  Do NOT use this option if you have HTT
   50 # disabled in your BIOS.
   51 #
   52 
   53 # Mandatory:
   54 device          apic                    # I/O apic
   55 
   56 # Optional:
   57 options         MPTABLE_FORCE_HTT       # Enable HTT CPUs with the MP Table
   58 options         NO_MIXED_MODE           # Disable use of mixed mode
   59 
   60 #
   61 # Watchdog routines.
   62 #
   63 options         MP_WATCHDOG
   64 
   65 # Debugging options.
   66 #
   67 options         KDB_STOP_NMI            # Stop CPUS using NMI instead of IPI
   68 
   69 
   70 
   71 #####################################################################
   72 # CPU OPTIONS
   73 
   74 #
   75 # You must specify at least one CPU (the one you intend to run on);
   76 # deleting the specification for CPUs you don't need to use may make
   77 # parts of the system run faster.
   78 # I386_CPU is mutually exclusive with the other CPU types.
   79 # I386_CPU is deprecated and will be removed in 6.0-RELEASE.
   80 #
   81 #cpu            I386_CPU
   82 cpu             I486_CPU
   83 cpu             I586_CPU                # aka Pentium(tm)
   84 cpu             I686_CPU                # aka Pentium Pro(tm)
   85 
   86 #
   87 # Options for CPU features.
   88 #
   89 # CPU_ATHLON_SSE_HACK tries to enable SSE instructions when the BIOS has
   90 # forgotten to enable them.
   91 #
   92 # CPU_BLUELIGHTNING_3X enables triple-clock mode on IBM Blue Lightning
   93 # CPU if CPU supports it.  The default is double-clock mode on
   94 # BlueLightning CPU box.
   95 #
   96 # CPU_BLUELIGHTNING_FPU_OP_CACHE enables FPU operand cache on IBM
   97 # BlueLightning CPU.  It works only with Cyrix FPU, and this option
   98 # should not be used with Intel FPU.
   99 #
  100 # CPU_BTB_EN enables branch target buffer on Cyrix 5x86 (NOTE 1).
  101 #
  102 # CPU_CYRIX_NO_LOCK enables weak locking for the entire address space
  103 # of Cyrix 6x86 and 6x86MX CPUs by setting the NO_LOCK bit of CCR1.
  104 # Otherwise, the NO_LOCK bit of CCR1 is cleared.  (NOTE 3)
  105 #
  106 # CPU_DIRECT_MAPPED_CACHE sets L1 cache of Cyrix 486DLC CPU in direct
  107 # mapped mode.  Default is 2-way set associative mode.
  108 #
  109 # CPU_DISABLE_5X86_LSSER disables load store serialize (i.e., enables
  110 # reorder).  This option should not be used if you use memory mapped
  111 # I/O device(s).
  112 #
  113 # CPU_DISABLE_CMPXCHG disables the CMPXCHG instruction on > i386 IA32
  114 # machines.  VmWare 3.x seems to emulate this instruction poorly, causing
  115 # the guest OS to run very slowly.  This problem appears to be fixed in
  116 # VmWare 4.x, at least in version 4.5.2, so that enabling this option with
  117 # VmWare 4.x will result in locking operations to be 20-30 times slower.
  118 # Enabling this with an SMP kernel will cause the kernel to be unusable.
  119 #
  120 # CPU_DISABLE_SSE explicitly prevents I686_CPU from turning on SSE.
  121 #
  122 # CPU_ELAN enables support for AMDs ElanSC520 CPU.
  123 #    CPU_ELAN_PPS enables precision timestamp code.
  124 #    CPU_ELAN_XTAL sets the clock crystal frequency in Hz.
  125 #
  126 # CPU_ENABLE_LONGRUN enables support for Transmeta Crusoe LongRun
  127 # technology which allows to restrict power consumption of the CPU by
  128 # using group of hw.crusoe.* sysctls.
  129 #
  130 # CPU_ENABLE_SSE enables SSE/MMX2 instructions support.  This is default
  131 # on I686_CPU and above.
  132 #
  133 # CPU_FASTER_5X86_FPU enables faster FPU exception handler.
  134 #
  135 # CPU_GEODE is for the SC1100 Geode embedded processor.  This option
  136 # is necessary because the i8254 timecounter is toast.
  137 #
  138 # CPU_I486_ON_386 enables CPU cache on i486 based CPU upgrade products
  139 # for i386 machines.
  140 #
  141 # CPU_IORT defines I/O clock delay time (NOTE 1).  Default values of
  142 # I/O clock delay time on Cyrix 5x86 and 6x86 are 0 and 7,respectively
  143 # (no clock delay).
  144 #
  145 # CPU_L2_LATENCY specifies the L2 cache latency value.  This option is used
  146 # only when CPU_PPRO2CELERON is defined and Mendocino Celeron is detected.
  147 # The default value is 5.
  148 #
  149 # CPU_LOOP_EN prevents flushing the prefetch buffer if the destination
  150 # of a jump is already present in the prefetch buffer on Cyrix 5x86(NOTE
  151 # 1).
  152 #
  153 # CPU_PPRO2CELERON enables L2 cache of Mendocino Celeron CPUs.  This option
  154 # is useful when you use Socket 8 to Socket 370 converter, because most Pentium
  155 # Pro BIOSs do not enable L2 cache of Mendocino Celeron CPUs.
  156 #
  157 # CPU_RSTK_EN enables return stack on Cyrix 5x86 (NOTE 1).
  158 #
  159 # CPU_SOEKRIS enables support www.soekris.com hardware.
  160 #
  161 # CPU_SUSP_HLT enables suspend on HALT.  If this option is set, CPU
  162 # enters suspend mode following execution of HALT instruction.
  163 #
  164 # CPU_UPGRADE_HW_CACHE eliminates unneeded cache flush instruction(s).
  165 #
  166 # CPU_WT_ALLOC enables write allocation on Cyrix 6x86/6x86MX and AMD
  167 # K5/K6/K6-2 CPUs.
  168 #
  169 # CYRIX_CACHE_WORKS enables CPU cache on Cyrix 486 CPUs with cache
  170 # flush at hold state.
  171 #
  172 # CYRIX_CACHE_REALLY_WORKS enables (1) CPU cache on Cyrix 486 CPUs
  173 # without cache flush at hold state, and (2) write-back CPU cache on
  174 # Cyrix 6x86 whose revision < 2.7 (NOTE 2).
  175 #
  176 # NO_F00F_HACK disables the hack that prevents Pentiums (and ONLY
  177 # Pentiums) from locking up when a LOCK CMPXCHG8B instruction is
  178 # executed.  This option is only needed if I586_CPU is also defined,
  179 # and should be included for any non-Pentium CPU that defines it.
  180 #
  181 # NO_MEMORY_HOLE is an optimisation for systems with AMD K6 processors
  182 # which indicates that the 15-16MB range is *definitely* not being
  183 # occupied by an ISA memory hole.
  184 #
  185 # NOTE 1: The options, CPU_BTB_EN, CPU_LOOP_EN, CPU_IORT,
  186 # CPU_LOOP_EN and CPU_RSTK_EN should not be used because of CPU bugs.
  187 # These options may crash your system.
  188 #
  189 # NOTE 2: If CYRIX_CACHE_REALLY_WORKS is not set, CPU cache is enabled
  190 # in write-through mode when revision < 2.7.  If revision of Cyrix
  191 # 6x86 >= 2.7, CPU cache is always enabled in write-back mode.
  192 #
  193 # NOTE 3: This option may cause failures for software that requires
  194 # locked cycles in order to operate correctly.
  195 #
  196 options         CPU_ATHLON_SSE_HACK
  197 options         CPU_BLUELIGHTNING_3X
  198 options         CPU_BLUELIGHTNING_FPU_OP_CACHE
  199 options         CPU_BTB_EN
  200 options         CPU_DIRECT_MAPPED_CACHE
  201 options         CPU_DISABLE_5X86_LSSER
  202 options         CPU_DISABLE_CMPXCHG
  203 #options        CPU_DISABLE_SSE
  204 options         CPU_ELAN
  205 options         CPU_ELAN_PPS
  206 options         CPU_ELAN_XTAL=32768000
  207 options         CPU_ENABLE_LONGRUN
  208 options         CPU_ENABLE_SSE
  209 options         CPU_FASTER_5X86_FPU
  210 options         CPU_GEODE
  211 options         CPU_I486_ON_386
  212 options         CPU_IORT
  213 options         CPU_L2_LATENCY=5
  214 options         CPU_LOOP_EN
  215 options         CPU_PPRO2CELERON
  216 options         CPU_RSTK_EN
  217 options         CPU_SOEKRIS
  218 options         CPU_SUSP_HLT
  219 options         CPU_UPGRADE_HW_CACHE
  220 options         CPU_WT_ALLOC
  221 options         CYRIX_CACHE_WORKS
  222 options         CYRIX_CACHE_REALLY_WORKS
  223 #options        NO_F00F_HACK
  224 
  225 # Debug options
  226 options         NPX_DEBUG       # enable npx debugging
  227 
  228 #
  229 # PERFMON causes the driver for Pentium/Pentium Pro performance counters
  230 # to be compiled.  See perfmon(4) for more information.
  231 #
  232 options         PERFMON
  233 
  234 
  235 #####################################################################
  236 # NETWORKING OPTIONS
  237 
  238 #
  239 # DEVICE_POLLING adds support for mixed interrupt-polling handling
  240 # of network device drivers, which has significant benefits in terms
  241 # of robustness to overloads and responsivity, as well as permitting
  242 # accurate scheduling of the CPU time between kernel network processing
  243 # and other activities.  The drawback is a moderate (up to 1/HZ seconds)
  244 # potential increase in response times.
  245 # It is strongly recommended to use HZ=1000 or 2000 with DEVICE_POLLING
  246 # to achieve smoother behaviour.
  247 # Additionally, you can enable/disable polling at runtime with the
  248 # sysctl variable kern.polling.enable (defaults off), and select
  249 # the CPU fraction reserved to userland with the sysctl variable
  250 # kern.polling.user_frac (default 50, range 0..100).
  251 #
  252 # Not all device drivers support this mode of operation at the time of
  253 # this writing.  See polling(4) for more details.
  254 
  255 options         DEVICE_POLLING
  256 
  257 
  258 #####################################################################
  259 # CLOCK OPTIONS
  260 
  261 # The following options are used for debugging clock behavior only, and
  262 # should not be used for production systems.
  263 
  264 # CLK_CALIBRATION_LOOP causes clock calibration to be run in a loop at
  265 # startup until the user presses a key.  (The i8254 clock is always
  266 # calibrated relative to the RTC (mc146818a) and this option causes the
  267 # calibration to be repeated.)
  268 options         CLK_CALIBRATION_LOOP
  269 
  270 # CLK_USE_I8254_CALIBRATION causes the calibrated frequency of the i8254
  271 # clock to actually be used.
  272 options         CLK_USE_I8254_CALIBRATION
  273 
  274 
  275 #####################################################################
  276 # MISCELLANEOUS DEVICES AND OPTIONS
  277 
  278 device          speaker         #Play IBM BASIC-style noises out your speaker
  279 hint.speaker.0.at="isa"
  280 hint.speaker.0.port="0x61"
  281 device          gzip            #Exec gzipped a.out's.  REQUIRES COMPAT_AOUT!
  282 device          apm_saver       # Requires APM
  283 
  284 
  285 #####################################################################
  286 # HARDWARE BUS CONFIGURATION
  287 
  288 #
  289 # ISA bus
  290 #
  291 device          isa             # Required by npx(4)
  292 
  293 #
  294 # Options for `isa':
  295 #
  296 # AUTO_EOI_1 enables the `automatic EOI' feature for the master 8259A
  297 # interrupt controller.  This saves about 0.7-1.25 usec for each interrupt.
  298 # This option breaks suspend/resume on some portables.
  299 #
  300 # AUTO_EOI_2 enables the `automatic EOI' feature for the slave 8259A
  301 # interrupt controller.  This saves about 0.7-1.25 usec for each interrupt.
  302 # Automatic EOI is documented not to work for for the slave with the
  303 # original i8259A, but it works for some clones and some integrated
  304 # versions.
  305 #
  306 # MAXMEM specifies the amount of RAM on the machine; if this is not
  307 # specified, FreeBSD will first read the amount of memory from the CMOS
  308 # RAM, so the amount of memory will initially be limited to 64MB or 16MB
  309 # depending on the BIOS.  If the BIOS reports 64MB, a memory probe will
  310 # then attempt to detect the installed amount of RAM.  If this probe
  311 # fails to detect >64MB RAM you will have to use the MAXMEM option.
  312 # The amount is in kilobytes, so for a machine with 128MB of RAM, it would
  313 # be 131072 (128 * 1024).
  314 #
  315 # BROKEN_KEYBOARD_RESET disables the use of the keyboard controller to
  316 # reset the CPU for reboot.  This is needed on some systems with broken
  317 # keyboard controllers.
  318 
  319 options         AUTO_EOI_1
  320 #options        AUTO_EOI_2
  321 
  322 options         MAXMEM=(128*1024)
  323 #options        BROKEN_KEYBOARD_RESET
  324 
  325 #
  326 # EISA bus
  327 #
  328 # The EISA bus device is `eisa'.  It provides auto-detection and
  329 # configuration support for all devices on the EISA bus.
  330 
  331 device          eisa
  332 
  333 # By default, only 10 EISA slots are probed, since the slot numbers
  334 # above clash with the configuration address space of the PCI subsystem,
  335 # and the EISA probe is not very smart about this.  This is sufficient
  336 # for most machines, but in particular the HP NetServer LC series comes
  337 # with an onboard AIC7770 dual-channel SCSI controller on EISA slot #11,
  338 # thus you need to bump this figure to 12 for them.
  339 options         EISA_SLOTS=12
  340 
  341 #
  342 # MCA bus:
  343 #
  344 # The MCA bus device is `mca'.  It provides auto-detection and
  345 # configuration support for all devices on the MCA bus.
  346 # No hints are required for MCA.
  347 
  348 device          mca
  349 
  350 #
  351 # PCI bus & PCI options:
  352 #
  353 device          pci
  354 
  355 #
  356 # AGP GART support
  357 device          agp
  358 options         AGP_AMD64_GART  # Included GART code for AMD64 machines.
  359 
  360 
  361 #####################################################################
  362 # HARDWARE DEVICE CONFIGURATION
  363 
  364 # To include support for VGA VESA video modes
  365 options         VESA
  366 
  367 # Turn on extra debugging checks and output for VESA support.
  368 options         VESA_DEBUG
  369 
  370 # The pcvt console driver (vt220 compatible).
  371 device          vt
  372 hint.vt.0.at="isa"
  373 options         XSERVER                 # support for running an X server on vt
  374 options         FAT_CURSOR              # start with block cursor
  375 # This PCVT option is for keyboards such as those used on really old ThinkPads
  376 options         PCVT_SCANSET=2
  377 # Other PCVT options are documented in pcvt(4).
  378 options         PCVT_24LINESDEF
  379 options         PCVT_CTRL_ALT_DEL
  380 options         PCVT_META_ESC
  381 options         PCVT_NSCREENS=9
  382 options         PCVT_PRETTYSCRNS
  383 options         PCVT_SCREENSAVER
  384 options         PCVT_USEKBDSEC
  385 options         PCVT_VT220KEYB
  386 options         PCVT_GREENSAVER
  387 
  388 #
  389 # The Numeric Processing eXtension driver.  This is non-optional.
  390 device          npx
  391 hint.npx.0.flags="0x0"
  392 hint.npx.0.irq="13"
  393 
  394 #
  395 # `flags' for npx0:
  396 #       0x01    don't use the npx registers to optimize bcopy.
  397 #       0x02    don't use the npx registers to optimize bzero.
  398 #       0x04    don't use the npx registers to optimize copyin or copyout.
  399 # The npx registers are normally used to optimize copying and zeroing when
  400 # all of the following conditions are satisfied:
  401 #       I586_CPU is an option
  402 #       the cpu is an i586 (perhaps not a Pentium)
  403 #       the probe for npx0 succeeds
  404 #       INT 16 exception handling works.
  405 # Then copying and zeroing using the npx registers is normally 30-100% faster.
  406 # The flags can be used to control cases where it doesn't work or is slower.
  407 # Setting them at boot time using userconfig works right (the optimizations
  408 # are not used until later in the bootstrap when npx0 is attached).
  409 # Flag 0x08 automatically disables the i586 optimized routines.
  410 #
  411 
  412 #
  413 # Optional devices:
  414 #
  415 
  416 # 3Dfx Voodoo Graphics, Voodoo II /dev/3dfx CDEV support.  This will create
  417 # the /dev/3dfx0 device to work with glide implementations.  This should get
  418 # linked to /dev/3dfx and /dev/voodoo.  Note that this is not the same as
  419 # the tdfx DRI module from XFree86 and is completely unrelated.
  420 #
  421 # To enable Linuxulator support, one must also include COMPAT_LINUX in the
  422 # config as well, or you will not have the dependencies.  The other option
  423 # is to load both as modules.
  424 
  425 device          tdfx                    # Enable 3Dfx Voodoo support
  426 options         TDFX_LINUX              # Enable Linuxulator support
  427 
  428 #
  429 # ACPI support using the Intel ACPI Component Architecture reference
  430 # implementation.
  431 #
  432 # ACPI_DEBUG enables the use of the debug.acpi.level and debug.acpi.layer
  433 # kernel environment variables to select initial debugging levels for the
  434 # Intel ACPICA code.  (Note that the Intel code must also have USE_DEBUGGER
  435 # defined when it is built).
  436 #
  437 # ACPI_NO_SEMAPHORES makes the AcpiOs*Semaphore routines a no-op.
  438 #
  439 # ACPICA_PEDANTIC enables strict checking of AML.  Our default is to
  440 # relax these checks to allow code generated by the Microsoft compiler
  441 # to still execute.
  442 #
  443 # Note that building ACPI into the kernel is deprecated; the module is
  444 # normally loaded automatically by the loader.
  445 
  446 device          acpi
  447 options         ACPI_DEBUG
  448 #!options       ACPI_NO_SEMAPHORES
  449 #!options       ACPICA_PEDANTIC
  450 
  451 # ACPI Asus Extras (LCD backlight/brightness, video output, etc.)
  452 device          acpi_asus
  453 
  454 # ACPI Panasonic Extras (LCD backlight/brightness, video output, etc.)
  455 device          acpi_panasonic
  456 
  457 # ACPI Toshiba Extras (LCD backlight/brightness, video output, etc.)
  458 device          acpi_toshiba
  459 
  460 # ACPI Video Extensions (LCD backlight/brightness, video output, etc.)
  461 device          acpi_video
  462 
  463 # The cpufreq(4) driver provides support for non-ACPI CPU frequency control
  464 device          cpufreq
  465 
  466 # DRM options:
  467 # mgadrm:    AGP Matrox G200, G400, G450, G550
  468 # r128drm:   ATI Rage 128
  469 # radeondrm: ATI Radeon up to 9000/9100
  470 # sisdrm:    SiS 300/305,540,630
  471 # tdfxdrm:   3dfx Voodoo 3/4/5 and Banshee
  472 # DRM_DEBUG: include debug printfs, very slow
  473 #
  474 # mga requires AGP in the kernel, and it is recommended
  475 # for AGP r128 and radeon cards.
  476 
  477 device          mgadrm
  478 device          "r128drm"
  479 device          radeondrm
  480 device          sisdrm
  481 device          tdfxdrm
  482 
  483 options         DRM_DEBUG
  484 
  485 #
  486 # mse: Logitech and ATI InPort bus mouse ports
  487 
  488 device          mse
  489 hint.mse.0.at="isa"
  490 hint.mse.0.port="0x23c"
  491 hint.mse.0.irq="5"
  492 
  493 #
  494 # Network interfaces:
  495 #
  496 
  497 # ar:   Arnet SYNC/570i hdlc sync 2/4 port V.35/X.21 serial driver
  498 #       (requires sppp)
  499 # arl:  Aironet Arlan 655 wireless adapters.
  500 # ath:  Atheros a/b/g WiFi adapters (requires ath_hal and wlan)
  501 # ce:   Cronyx Tau-PCI/32 sync single/dual port G.703/E1 serial adaptor
  502 #       with 32 HDLC subchannels (requires sppp (default), or NETGRAPH if
  503 #       NETGRAPH_CRONYX is configured)
  504 # cp:   Cronyx Tau-PCI sync single/dual/four port
  505 #       V.35/RS-232/RS-530/RS-449/X.21/G.703/E1/E3/T3/STS-1
  506 #       serial adaptor (requires sppp (default), or NETGRAPH if
  507 #       NETGRAPH_CRONYX is configured)
  508 # ctau: Cronyx Tau sync dual port V.35/RS-232/RS-530/RS-449/X.21/G.703/E1
  509 #       serial adaptor (requires sppp (default), or NETGRAPH if
  510 #       NETGRAPH_CRONYX is configured)
  511 # cx:   Cronyx Sigma multiport sync/async adapter (requires sppp (default),
  512 #       or NETGRAPH if NETGRAPH_CRONYX is configured)
  513 # ed:   Western Digital and SMC 80xx; Novell NE1000 and NE2000; 3Com 3C503
  514 #       HP PC Lan+, various PC Card devices (refer to etc/defaults/pccard.conf)
  515 #       (requires miibus)
  516 # el:   3Com 3C501 (slow!)
  517 # ie:   AT&T StarLAN 10 and EN100; 3Com 3C507; unknown NI5210;
  518 #       Intel EtherExpress
  519 # lnc:  Lance/PCnet cards (Isolan, Novell NE2100, NE32-VL, AMD Am7990 and
  520 #       Am79C960)
  521 # oltr: Olicom ISA token-ring adapters OC-3115, OC-3117, OC-3118 and OC-3133.
  522 #       Olicom PCI token-ring adapters OC-3136, OC-3137, OC-3139, OC-3140,
  523 #       OC-3141, OC-3540 and OC-3250.
  524 # sbni: Granch SBNI12-xx ISA and PCI adapters
  525 # sr:   RISCom/N2 hdlc sync 1/2 port V.35/X.21 serial driver (requires sppp)
  526 # wl:   Lucent Wavelan (ISA card only).
  527 
  528 # Order for ISA/EISA devices is important here
  529 
  530 device          ar
  531 hint.ar.0.at="isa"
  532 hint.ar.0.port="0x300"
  533 hint.ar.0.irq="10"
  534 hint.ar.0.maddr="0xd0000"
  535 device          arl
  536 hint.arl.0.at="isa"
  537 hint.arl.0.irq="9"
  538 hint.arl.0.maddr="0xd0000"
  539 device          ce
  540 device          cp
  541 device          ctau
  542 hint.ctau.0.at="isa"
  543 hint.ctau.0.port="0x240"
  544 hint.ctau.0.irq="15"
  545 hint.ctau.0.drq="7"
  546 device          cx
  547 hint.cx.0.at="isa"
  548 hint.cx.0.port="0x240"
  549 hint.cx.0.irq="15"
  550 hint.cx.0.drq="7"
  551 #options        NETGRAPH_CRONYX         # Enable NETGRAPH support for Cronyx adapter(s)
  552 device          ed
  553 #options        ED_NO_MIIBUS            # Disable ed miibus support
  554 hint.ed.0.at="isa"
  555 hint.ed.0.port="0x280"
  556 hint.ed.0.irq="5"
  557 hint.ed.0.maddr="0xd8000"
  558 device          el
  559 hint.el.0.at="isa"
  560 hint.el.0.port="0x300"
  561 hint.el.0.irq="9"
  562 device          ie                      # Hints only required for Starlan
  563 hint.ie.2.at="isa"
  564 hint.ie.2.port="0x300"
  565 hint.ie.2.irq="5"
  566 hint.ie.2.maddr="0xd0000"
  567 device          lnc
  568 hint.lnc.0.at="isa"
  569 hint.lnc.0.port="0x280"
  570 hint.lnc.0.irq="10"
  571 hint.lnc.0.drq="0"
  572 device          sbni
  573 hint.sbni.0.at="isa"
  574 hint.sbni.0.port="0x210"
  575 hint.sbni.0.irq="0xefdead"
  576 hint.sbni.0.flags="0"
  577 device          sr
  578 hint.sr.0.at="isa"
  579 hint.sr.0.port="0x300"
  580 hint.sr.0.irq="5"
  581 hint.sr.0.maddr="0xd0000"
  582 device          oltr
  583 hint.oltr.0.at="isa"
  584 device          wl
  585 hint.wl.0.at="isa"
  586 hint.wl.0.port="0x300"
  587 options         WLCACHE         # enables the signal-strength cache
  588 options         WLDEBUG         # enables verbose debugging output
  589 
  590 device          ath
  591 device          ath_hal         # Atheros HAL (includes binary component)
  592 #device         wlan            # 802.11 layer
  593 
  594 #
  595 # ATA raid adapters
  596 #
  597 device          pst
  598 
  599 #
  600 # Areca 11xx and 12xx series of SATA II RAID controllers.
  601 # CAM is required.
  602 #
  603 device          arcmsr          # Areca SATA II RAID
  604 
  605 #
  606 # 3ware 9000 series PATA/SATA RAID controller driver and options.
  607 # The driver is implemented as a SIM, and so, needs the CAM infrastructure.
  608 #
  609 options         TWA_DEBUG               # 0-10; 10 prints the most messages.
  610 options         TWA_FLASH_FIRMWARE      # firmware image bundled when defined.
  611 device          twa                     # 3ware 9000 series PATA/SATA RAID
  612 
  613 #
  614 # SCSI host adapters:
  615 #
  616 # ncv: NCR 53C500 based SCSI host adapters.
  617 # nsp: Workbit Ninja SCSI-3 based PC Card SCSI host adapters.
  618 # stg: TMC 18C30, 18C50 based SCSI host adapters.
  619 
  620 device          ncv
  621 device          nsp
  622 device          stg
  623 hint.stg.0.at="isa"
  624 hint.stg.0.port="0x140"
  625 hint.stg.0.port="11"
  626 
  627 #
  628 # Adaptec FSA RAID controllers, including integrated DELL controllers,
  629 # the Dell PERC 2/QC and the HP NetRAID-4M
  630 device          aac
  631 device          aacp    # SCSI Passthrough interface (optional, CAM required)
  632 
  633 #
  634 # Highpoint RocketRAID 182x.  This is really just software RAID on a
  635 # Marvell SATA chip.
  636 device          hptmv
  637 
  638 #
  639 # IBM (now Adaptec) ServeRAID controllers
  640 device          ips
  641 
  642 #
  643 # SafeNet crypto driver: can be moved to the MI NOTES as soon as
  644 # it's tested on a big-endian machine
  645 #
  646 device          safe            # SafeNet 1141
  647 options         SAFE_DEBUG      # enable debugging support: hw.safe.debug
  648 options         SAFE_RNDTEST    # enable rndtest support
  649 
  650 #####################################################################
  651 
  652 #
  653 # Miscellaneous hardware:
  654 #
  655 # apm: Laptop Advanced Power Management (experimental)
  656 # pmtimer: Timer device driver for power management events (APM or ACPI)
  657 # cy: Cyclades serial driver
  658 # digi: Digiboard driver
  659 # spic: Sony Programmable I/O controller (VAIO notebooks)
  660 
  661 # Notes on APM
  662 #  The flags takes the following meaning for apm0:
  663 #    0x0020  Statclock is broken.
  664 
  665 # Notes on the Specialix SI/XIO driver:
  666 #  The host card is memory, not IO mapped.
  667 #  The Rev 1 host cards use a 64K chunk, on a 32K boundary.
  668 #  The Rev 2 host cards use a 32K chunk, on a 32K boundary.
  669 #  The cards can use an IRQ of 11, 12 or 15.
  670 
  671 # Notes on the Sony Programmable I/O controller
  672 #  This is a temporary driver that should someday be replaced by something
  673 #  that hooks into the ACPI layer.  The device is hooked to the PIIX4's
  674 #  General Device 10 decoder, which means you have to fiddle with PCI
  675 #  registers to map it in, even though it is otherwise treated here as
  676 #  an ISA device.  At the moment, the driver polls, although the device
  677 #  is capable of generating interrupts.  It largely undocumented.
  678 #  The port location in the hint is where you WANT the device to be
  679 #  mapped.  0x10a0 seems to be traditional.  At the moment the jogdial
  680 #  is the only thing truly supported, but apparently a fair percentage
  681 #  of the Vaio extra features are controlled by this device.
  682 
  683 device          apm
  684 hint.apm.0.flags="0x20"
  685 device          pmtimer                 # Adjust system timer at wakeup time
  686 device          cy
  687 options         CY_PCI_FASTINTR         # Use with cy_pci unless irq is shared
  688 hint.cy.0.at="isa"
  689 hint.cy.0.irq="10"
  690 hint.cy.0.maddr="0xd4000"
  691 hint.cy.0.msize="0x2000"
  692 device          digi
  693 hint.digi.0.at="isa"
  694 hint.digi.0.port="0x104"
  695 hint.digi.0.maddr="0xd0000"
  696 # BIOS & FEP/OS components of device digi.
  697 device          digi_CX
  698 device          digi_CX_PCI
  699 device          digi_EPCX
  700 device          digi_EPCX_PCI
  701 device          digi_Xe
  702 device          digi_Xem
  703 device          digi_Xr
  704 device          spic
  705 hint.spic.0.at="isa"
  706 hint.spic.0.port="0x10a0"
  707 # sx device is i386 and pc98 only at the moment.
  708 device          sx
  709 options         SX_DEBUG
  710 # HOT1 Xilinx 6200 card (http://www.vcc.com/)
  711 device          xrpu
  712 
  713 #
  714 # Laptop/Notebook options:
  715 #
  716 # See also:
  717 #  apm under `Miscellaneous hardware'
  718 # above.
  719 
  720 # For older notebooks that signal a powerfail condition (external
  721 # power supply dropped, or battery state low) by issuing an NMI:
  722 
  723 options         POWERFAIL_NMI   # make it beep instead of panicing
  724 
  725 #
  726 # I2C Bus
  727 #
  728 # Philips i2c bus support is provided by the `iicbus' device.
  729 #
  730 # Supported interfaces:
  731 # pcf   Philips PCF8584 ISA-bus controller
  732 #
  733 device          pcf
  734 hint.pcf.0.at="isa"
  735 hint.pcf.0.port="0x320"
  736 hint.pcf.0.irq="5"
  737 
  738 #---------------------------------------------------------------------------
  739 # ISDN4BSD
  740 #
  741 # See /usr/share/examples/isdn/ROADMAP for an introduction to isdn4bsd.
  742 #
  743 # i4b passive ISDN cards support contains the following hardware drivers:
  744 #
  745 #       isic  - Siemens/Infineon ISDN ISAC/HSCX/IPAC chipset driver
  746 #       iwic  - Winbond W6692 PCI bus ISDN S/T interface controller
  747 #       ifpi  - AVM Fritz!Card PCI driver
  748 #       ifpi2  - AVM Fritz!Card PCI version 2 driver
  749 #       ihfc  - Cologne Chip HFC ISA/ISA-PnP chipset driver
  750 #       ifpnp - AVM Fritz!Card PnP driver
  751 #       itjc  - Siemens ISAC / TJNet Tiger300/320 chipset
  752 #
  753 # i4b active ISDN cards support contains the following hardware drivers:
  754 #
  755 #       iavc  - AVM B1 PCI, AVM B1 ISA, AVM T1
  756 #
  757 # Note that the ``options'' (if given) and ``device'' lines must BOTH
  758 # be uncommented to enable support for a given card !
  759 #
  760 # In addition to a hardware driver (and probably an option) the mandatory
  761 # ISDN protocol stack devices and the mandatory support device must be
  762 # enabled as well as one or more devices from the optional devices section.
  763 #
  764 #---------------------------------------------------------------------------
  765 #       isic driver (Siemens/Infineon chipsets)
  766 #
  767 device  isic
  768 #
  769 # ISA bus non-PnP Cards:
  770 # ----------------------
  771 #
  772 # Teles S0/8 or Niccy 1008
  773 options         TEL_S0_8
  774 hint.isic.0.at="isa"
  775 hint.isic.0.maddr="0xd0000"
  776 hint.isic.0.irq="5"
  777 hint.isic.0.flags="1"
  778 #
  779 # Teles S0/16 or Creatix ISDN-S0 or Niccy 1016
  780 options         TEL_S0_16
  781 hint.isic.0.at="isa"
  782 hint.isic.0.port="0xd80"
  783 hint.isic.0.maddr="0xd0000"
  784 hint.isic.0.irq="5"
  785 hint.isic.0.flags="2"
  786 #
  787 # Teles S0/16.3
  788 options         TEL_S0_16_3
  789 hint.isic.0.at="isa"
  790 hint.isic.0.port="0xd80"
  791 hint.isic.0.irq="5"
  792 hint.isic.0.flags="3"
  793 #
  794 # AVM A1 or AVM Fritz!Card
  795 options         AVM_A1
  796 hint.isic.0.at="isa"
  797 hint.isic.0.port="0x340"
  798 hint.isic.0.irq="5"
  799 hint.isic.0.flags="4"
  800 #
  801 # USRobotics Sportster ISDN TA intern
  802 options         USR_STI
  803 hint.isic.0.at="isa"
  804 hint.isic.0.port="0x268"
  805 hint.isic.0.irq="5"
  806 hint.isic.0.flags="7"
  807 #
  808 # ITK ix1 Micro ( < V.3, non-PnP version )
  809 options         ITKIX1
  810 hint.isic.0.at="isa"
  811 hint.isic.0.port="0x398"
  812 hint.isic.0.irq="10"
  813 hint.isic.0.flags="18"
  814 #
  815 # ELSA PCC-16
  816 options         ELSA_PCC16
  817 hint.isic.0.at="isa"
  818 hint.isic.0.port="0x360"
  819 hint.isic.0.irq="10"
  820 hint.isic.0.flags="20"
  821 #
  822 # ISA bus PnP Cards:
  823 # ------------------
  824 #
  825 # Teles S0/16.3 PnP
  826 options         TEL_S0_16_3_P
  827 #
  828 # Creatix ISDN-S0 P&P
  829 options         CRTX_S0_P
  830 #
  831 # Dr. Neuhaus Niccy Go@
  832 options         DRN_NGO
  833 #
  834 # Sedlbauer Win Speed
  835 options         SEDLBAUER
  836 #
  837 # Dynalink IS64PH
  838 options         DYNALINK
  839 #
  840 # ELSA QuickStep 1000pro ISA
  841 options         ELSA_QS1ISA
  842 #
  843 # Siemens I-Surf 2.0
  844 options         SIEMENS_ISURF2
  845 #
  846 # Asuscom ISDNlink 128K ISA
  847 options         ASUSCOM_IPAC
  848 #
  849 # Eicon Diehl DIVA 2.0 and 2.02
  850 options         EICON_DIVA
  851 #
  852 # Compaq Microcom 610 ISDN card (Compaq series PSB2222I)
  853 options         COMPAQ_M610
  854 #
  855 # PCI bus Cards:
  856 # --------------
  857 #
  858 # ELSA MicroLink ISDN/PCI (same as ELSA QuickStep 1000pro PCI)
  859 options         ELSA_QS1PCI
  860 #
  861 #---------------------------------------------------------------------------
  862 #       ifpnp driver for AVM Fritz!Card PnP
  863 #
  864 # AVM Fritz!Card PnP
  865 device          ifpnp
  866 #
  867 #---------------------------------------------------------------------------
  868 #       ihfc driver for Cologne Chip ISA chipsets (experimental!)
  869 #
  870 # Teles 16.3c ISA PnP
  871 # AcerISDN P10 ISA PnP
  872 # TELEINT ISDN SPEED No.1
  873 device          ihfc
  874 #
  875 #---------------------------------------------------------------------------
  876 #       ifpi driver for AVM Fritz!Card PCI
  877 #
  878 # AVM Fritz!Card PCI
  879 device          ifpi
  880 #
  881 #---------------------------------------------------------------------------
  882 #       ifpi2 driver for AVM Fritz!Card PCI version 2
  883 #
  884 # AVM Fritz!Card PCI version 2
  885 device          "ifpi2"
  886 #
  887 #---------------------------------------------------------------------------
  888 #       iwic driver for Winbond W6692 chipset
  889 #
  890 # ASUSCOM P-IN100-ST-D (and other Winbond W6692 based cards)
  891 device          iwic
  892 #
  893 #---------------------------------------------------------------------------
  894 #       itjc driver for Siemens ISAC / TJNet Tiger300/320 chipset
  895 #
  896 # Traverse Technologies NETjet-S
  897 # Teles PCI-TJ
  898 device          itjc
  899 #
  900 #---------------------------------------------------------------------------
  901 #       iavc driver (AVM active cards, needs i4bcapi driver!)
  902 #
  903 device          iavc
  904 #
  905 # AVM B1 ISA bus (PnP mode not supported!)
  906 # ----------------------------------------
  907 hint.iavc.0.at="isa"
  908 hint.iavc.0.port="0x150"
  909 hint.iavc.0.irq="5"
  910 #
  911 #---------------------------------------------------------------------------
  912 #       ISDN Protocol Stack - mandatory for all hardware drivers
  913 #
  914 # Q.921 / layer 2 - i4b passive cards D channel handling
  915 device          "i4bq921"
  916 #
  917 # Q.931 / layer 3 - i4b passive cards D channel handling
  918 device          "i4bq931"
  919 #
  920 # layer 4 - i4b common passive and active card handling
  921 device          "i4b"
  922 #
  923 #---------------------------------------------------------------------------
  924 #       ISDN devices - mandatory for all hardware drivers
  925 #
  926 # userland driver to do ISDN tracing (for passive cards only)
  927 device          "i4btrc"        4
  928 #
  929 # userland driver to control the whole thing
  930 device          "i4bctl"
  931 #
  932 #---------------------------------------------------------------------------
  933 #       ISDN devices - optional
  934 #
  935 # userland driver for access to raw B channel
  936 device          "i4brbch"       4
  937 #
  938 # userland driver for telephony
  939 device          "i4btel"        2
  940 #
  941 # network driver for IP over raw HDLC ISDN
  942 device          "i4bipr"        4
  943 # enable VJ header compression detection for ipr i/f
  944 options         IPR_VJ
  945 # enable logging of the first n IP packets to isdnd (n=32 here)
  946 options         IPR_LOG=32
  947 #
  948 # network driver for sync PPP over ISDN; requires an equivalent
  949 # number of sppp device to be configured
  950 device          "i4bisppp"      4
  951 #
  952 # B-channel interface to the netgraph subsystem
  953 device          "i4bing"        2
  954 #
  955 # CAPI driver needed for active ISDN cards (see iavc driver above)
  956 device          "i4bcapi"
  957 #
  958 #---------------------------------------------------------------------------
  959 
  960 #
  961 # System Management Bus (SMB)
  962 #
  963 options         ENABLE_ALART            # Control alarm on Intel intpm driver
  964 
  965 #
  966 # Set the number of PV entries per process.  Increasing this can
  967 # stop panics related to heavy use of shared memory.  However, that can
  968 # (combined with large amounts of physical memory) cause panics at
  969 # boot time due the kernel running out of VM space.
  970 #
  971 # If you're tweaking this, you might also want to increase the sysctls
  972 # "vm.v_free_min", "vm.v_free_reserved", and "vm.v_free_target".
  973 #
  974 # The value below is the one more than the default.
  975 #
  976 options         PMAP_SHPGPERPROC=201
  977 
  978 #
  979 # Change the size of the kernel virtual address space.  Due to
  980 # constraints in loader(8) on i386, this must be a multiple of 4.
  981 # 256 = 1 GB of kernel address space.  Increasing this also causes
  982 # a reduction of the address space in user processes.  512 splits
  983 # the 4GB cpu address space in half (2GB user, 2GB kernel).
  984 #
  985 options         KVA_PAGES=260
  986 
  987 
  988 #####################################################################
  989 # ABI Emulation
  990 
  991 # Enable iBCS2 runtime support for SCO and ISC binaries
  992 options         IBCS2
  993 
  994 # Emulate spx device for client side of SVR3 local X interface
  995 options         SPX_HACK
  996 
  997 # Enable Linux ABI emulation
  998 options         COMPAT_LINUX
  999 
 1000 # Enable i386 a.out binary support
 1001 options         COMPAT_AOUT
 1002 
 1003 # Enable the linux-like proc filesystem support (requires COMPAT_LINUX
 1004 # and PSEUDOFS)
 1005 options         LINPROCFS
 1006 
 1007 #
 1008 # SysVR4 ABI emulation
 1009 #
 1010 # The svr4 ABI emulator can be statically compiled into the kernel or loaded as
 1011 # a KLD module.
 1012 # The STREAMS network emulation code can also be compiled statically or as a
 1013 # module.  If loaded as a module, it must be loaded before the svr4 module
 1014 # (the /usr/sbin/svr4 script does this for you).  If compiling statically,
 1015 # the `streams' device must be configured into any kernel which also
 1016 # specifies COMPAT_SVR4.  It is possible to have a statically-configured
 1017 # STREAMS device and a dynamically loadable svr4 emulator;  the /usr/sbin/svr4
 1018 # script understands that it doesn't need to load the `streams' module under
 1019 # those circumstances.
 1020 # Caveat:  At this time, `options KTRACE' is required for the svr4 emulator
 1021 # (whether static or dynamic).
 1022 #
 1023 options         COMPAT_SVR4     # build emulator statically
 1024 options         DEBUG_SVR4      # enable verbose debugging
 1025 device          streams         # STREAMS network driver (required for svr4).
 1026 
 1027 
 1028 #####################################################################
 1029 # VM OPTIONS
 1030 
 1031 # Disable the 4 MByte page PSE CPU feature.  The PSE feature allows the
 1032 # kernel to use 4 MByte pages to map the kernel instead of 4k pages.
 1033 # This saves on the amount of memory needed for page tables needed to
 1034 # map the kernel.  You should only disable this feature as a temporary
 1035 # workaround if you are having problems with it enabled.
 1036 #
 1037 #options        DISABLE_PSE
 1038 
 1039 # Disable the global pages PGE CPU feature.  The PGE feature allows pages
 1040 # to be marked with the PG_G bit.  TLB entries for these pages are not
 1041 # flushed from the cache when %cr3 is reloaded.  This can make context
 1042 # switches less expensive.  You should only disable this feature as a
 1043 # temporary workaround if you are having problems with it enabled.
 1044 #
 1045 #options        DISABLE_PG_G
 1046 
 1047 # KSTACK_PAGES is the number of memory pages to assign to the kernel
 1048 # stack of each thread.
 1049 
 1050 options         KSTACK_PAGES=3
 1051 
 1052 #####################################################################
 1053 
 1054 # More undocumented options for linting.
 1055 # Note that documenting these are not considered an affront.
 1056 
 1057 options         FB_INSTALL_CDEV         # install a CDEV entry in /dev
 1058 
 1059 # PECOFF module (Win32 Execution Format)
 1060 options         PECOFF_SUPPORT
 1061 options         PECOFF_DEBUG
 1062 
 1063 options         I4B_SMP_WORKAROUND
 1064 options         I586_PMC_GUPROF=0x70000
 1065 options         KBDIO_DEBUG=2
 1066 options         KBD_MAXRETRY=4
 1067 options         KBD_MAXWAIT=6
 1068 options         KBD_RESETDELAY=201
 1069 
 1070 options         PSM_DEBUG=1
 1071 
 1072 options         TIMER_FREQ=((14318182+6)/12)
 1073 
 1074 options         VM_KMEM_SIZE
 1075 options         VM_KMEM_SIZE_MAX
 1076 options         VM_KMEM_SIZE_SCALE
 1077 
 1078 
 1079 # The I/O device
 1080 device          io
 1081 
 1082 # asr old ioctls support, needed by raidutils
 1083 
 1084 options         ASR_COMPAT

Cache object: 8b267e8d96c6fdd6d815d81c27e00720


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