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/6.0/sys/i386/conf/NOTES 151061 2005-10-07 14:00:06Z glebius $
    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 #####################################################################
  221 # NETWORKING OPTIONS
  222 
  223 #
  224 # DEVICE_POLLING adds support for mixed interrupt-polling handling
  225 # of network device drivers, which has significant benefits in terms
  226 # of robustness to overloads and responsivity, as well as permitting
  227 # accurate scheduling of the CPU time between kernel network processing
  228 # and other activities.  The drawback is a moderate (up to 1/HZ seconds)
  229 # potential increase in response times.
  230 # It is strongly recommended to use HZ=1000 or 2000 with DEVICE_POLLING
  231 # to achieve smoother behaviour.
  232 # Additionally, you can enable/disable polling at runtime with help of
  233 # the ifconfig(8) utility, and select the CPU fraction reserved to
  234 # userland with the sysctl variable kern.polling.user_frac
  235 # (default 50, range 0..100).
  236 #
  237 # Not all device drivers support this mode of operation at the time of
  238 # this writing.  See polling(4) for more details.
  239 
  240 options         DEVICE_POLLING
  241 
  242 
  243 #####################################################################
  244 # CLOCK OPTIONS
  245 
  246 # The following options are used for debugging clock behavior only, and
  247 # should not be used for production systems.
  248 
  249 # CLK_CALIBRATION_LOOP causes clock calibration to be run in a loop at
  250 # startup until the user presses a key.  (The i8254 clock is always
  251 # calibrated relative to the RTC (mc146818a) and this option causes the
  252 # calibration to be repeated.)
  253 options         CLK_CALIBRATION_LOOP
  254 
  255 # CLK_USE_I8254_CALIBRATION causes the calibrated frequency of the i8254
  256 # clock to actually be used.
  257 options         CLK_USE_I8254_CALIBRATION
  258 
  259 
  260 #####################################################################
  261 # MISCELLANEOUS DEVICES AND OPTIONS
  262 
  263 device          speaker         #Play IBM BASIC-style noises out your speaker
  264 hint.speaker.0.at="isa"
  265 hint.speaker.0.port="0x61"
  266 device          gzip            #Exec gzipped a.out's.  REQUIRES COMPAT_AOUT!
  267 device          apm_saver       # Requires APM
  268 
  269 
  270 #####################################################################
  271 # HARDWARE BUS CONFIGURATION
  272 
  273 #
  274 # ISA bus
  275 #
  276 device          isa             # Required by npx(4)
  277 
  278 #
  279 # Options for `isa':
  280 #
  281 # AUTO_EOI_1 enables the `automatic EOI' feature for the master 8259A
  282 # interrupt controller.  This saves about 0.7-1.25 usec for each interrupt.
  283 # This option breaks suspend/resume on some portables.
  284 #
  285 # AUTO_EOI_2 enables the `automatic EOI' feature for the slave 8259A
  286 # interrupt controller.  This saves about 0.7-1.25 usec for each interrupt.
  287 # Automatic EOI is documented not to work for for the slave with the
  288 # original i8259A, but it works for some clones and some integrated
  289 # versions.
  290 #
  291 # MAXMEM specifies the amount of RAM on the machine; if this is not
  292 # specified, FreeBSD will first read the amount of memory from the CMOS
  293 # RAM, so the amount of memory will initially be limited to 64MB or 16MB
  294 # depending on the BIOS.  If the BIOS reports 64MB, a memory probe will
  295 # then attempt to detect the installed amount of RAM.  If this probe
  296 # fails to detect >64MB RAM you will have to use the MAXMEM option.
  297 # The amount is in kilobytes, so for a machine with 128MB of RAM, it would
  298 # be 131072 (128 * 1024).
  299 #
  300 # BROKEN_KEYBOARD_RESET disables the use of the keyboard controller to
  301 # reset the CPU for reboot.  This is needed on some systems with broken
  302 # keyboard controllers.
  303 
  304 options         AUTO_EOI_1
  305 #options        AUTO_EOI_2
  306 
  307 options         MAXMEM=(128*1024)
  308 #options        BROKEN_KEYBOARD_RESET
  309 
  310 #
  311 # EISA bus
  312 #
  313 # The EISA bus device is `eisa'.  It provides auto-detection and
  314 # configuration support for all devices on the EISA bus.
  315 
  316 device          eisa
  317 
  318 # By default, only 10 EISA slots are probed, since the slot numbers
  319 # above clash with the configuration address space of the PCI subsystem,
  320 # and the EISA probe is not very smart about this.  This is sufficient
  321 # for most machines, but in particular the HP NetServer LC series comes
  322 # with an onboard AIC7770 dual-channel SCSI controller on EISA slot #11,
  323 # thus you need to bump this figure to 12 for them.
  324 options         EISA_SLOTS=12
  325 
  326 #
  327 # MCA bus:
  328 #
  329 # The MCA bus device is `mca'.  It provides auto-detection and
  330 # configuration support for all devices on the MCA bus.
  331 # No hints are required for MCA.
  332 
  333 device          mca
  334 
  335 #
  336 # PCI bus & PCI options:
  337 #
  338 device          pci
  339 
  340 #
  341 # AGP GART support
  342 device          agp
  343 
  344 
  345 #####################################################################
  346 # HARDWARE DEVICE CONFIGURATION
  347 
  348 # To include support for VGA VESA video modes
  349 options         VESA
  350 
  351 # Turn on extra debugging checks and output for VESA support.
  352 options         VESA_DEBUG
  353 
  354 # The pcvt console driver (vt220 compatible).
  355 device          vt
  356 hint.vt.0.at="isa"
  357 options         XSERVER                 # support for running an X server on vt
  358 options         FAT_CURSOR              # start with block cursor
  359 # This PCVT option is for keyboards such as those used on really old ThinkPads
  360 options         PCVT_SCANSET=2
  361 # Other PCVT options are documented in pcvt(4).
  362 options         PCVT_24LINESDEF
  363 options         PCVT_CTRL_ALT_DEL
  364 options         PCVT_META_ESC
  365 options         PCVT_NSCREENS=9
  366 options         PCVT_PRETTYSCRNS
  367 options         PCVT_SCREENSAVER
  368 options         PCVT_USEKBDSEC
  369 options         PCVT_VT220KEYB
  370 options         PCVT_GREENSAVER
  371 
  372 #
  373 # The Numeric Processing eXtension driver.  This is non-optional.
  374 device          npx
  375 hint.npx.0.flags="0x0"
  376 hint.npx.0.irq="13"
  377 
  378 #
  379 # `flags' for npx0:
  380 #       0x01    don't use the npx registers to optimize bcopy.
  381 #       0x02    don't use the npx registers to optimize bzero.
  382 #       0x04    don't use the npx registers to optimize copyin or copyout.
  383 # The npx registers are normally used to optimize copying and zeroing when
  384 # all of the following conditions are satisfied:
  385 #       I586_CPU is an option
  386 #       the cpu is an i586 (perhaps not a Pentium)
  387 #       the probe for npx0 succeeds
  388 #       INT 16 exception handling works.
  389 # Then copying and zeroing using the npx registers is normally 30-100% faster.
  390 # The flags can be used to control cases where it doesn't work or is slower.
  391 # Setting them at boot time using hints works right (the optimizations
  392 # are not used until later in the bootstrap when npx0 is attached).
  393 # Flag 0x08 automatically disables the i586 optimized routines.
  394 #
  395 
  396 #
  397 # Optional devices:
  398 #
  399 
  400 # 3Dfx Voodoo Graphics, Voodoo II /dev/3dfx CDEV support.  This will create
  401 # the /dev/3dfx0 device to work with glide implementations.  This should get
  402 # linked to /dev/3dfx and /dev/voodoo.  Note that this is not the same as
  403 # the tdfx DRI module from XFree86 and is completely unrelated.
  404 #
  405 # To enable Linuxulator support, one must also include COMPAT_LINUX in the
  406 # config as well, or you will not have the dependencies.  The other option
  407 # is to load both as modules.
  408 
  409 device          tdfx                    # Enable 3Dfx Voodoo support
  410 options         TDFX_LINUX              # Enable Linuxulator support
  411 
  412 #
  413 # ACPI support using the Intel ACPI Component Architecture reference
  414 # implementation.
  415 #
  416 # ACPI_DEBUG enables the use of the debug.acpi.level and debug.acpi.layer
  417 # kernel environment variables to select initial debugging levels for the
  418 # Intel ACPICA code.  (Note that the Intel code must also have USE_DEBUGGER
  419 # defined when it is built).
  420 #
  421 # ACPI_NO_SEMAPHORES makes the AcpiOs*Semaphore routines a no-op.
  422 #
  423 # ACPICA_PEDANTIC enables strict checking of AML.  Our default is to
  424 # relax these checks to allow code generated by the Microsoft compiler
  425 # to still execute.
  426 #
  427 # Note that building ACPI into the kernel is deprecated; the module is
  428 # normally loaded automatically by the loader.
  429 
  430 device          acpi
  431 options         ACPI_DEBUG
  432 #!options       ACPI_NO_SEMAPHORES
  433 #!options       ACPICA_PEDANTIC
  434 
  435 # ACPI Asus Extras (LCD backlight/brightness, video output, etc.)
  436 device          acpi_asus
  437 
  438 # ACPI Fujitsu Extras (Buttons)
  439 device          acpi_fujitsu
  440 
  441 # ACPI Panasonic Extras (LCD backlight/brightness, video output, etc.)
  442 device          acpi_panasonic
  443 
  444 # ACPI Sony extra (LCD brightness)
  445 device          acpi_sony
  446 
  447 # ACPI Toshiba Extras (LCD backlight/brightness, video output, etc.)
  448 device          acpi_toshiba
  449 
  450 # ACPI Video Extensions (LCD backlight/brightness, video output, etc.)
  451 device          acpi_video
  452 
  453 # The cpufreq(4) driver provides support for non-ACPI CPU frequency control
  454 device          cpufreq
  455 
  456 # Direct Rendering modules for 3D acceleration.
  457 device          drm             # DRM core module required by DRM drivers
  458 device          mach64drm       # ATI Rage Pro, Rage Mobility P/M, Rage XL
  459 device          mgadrm          # AGP Matrox G200, G400, G450, G550
  460 device          r128drm         # ATI Rage 128
  461 device          radeondrm       # ATI Radeon
  462 device          sisdrm          # SiS 300/305, 540, 630
  463 device          tdfxdrm         # 3dfx Voodoo 3/4/5 and Banshee
  464 options         DRM_DEBUG       # Include debug printfs (slow)
  465 
  466 #
  467 # mse: Logitech and ATI InPort bus mouse ports
  468 
  469 device          mse
  470 hint.mse.0.at="isa"
  471 hint.mse.0.port="0x23c"
  472 hint.mse.0.irq="5"
  473 
  474 #
  475 # Network interfaces:
  476 #
  477 
  478 # ar:   Arnet SYNC/570i hdlc sync 2/4 port V.35/X.21 serial driver
  479 #       (requires sppp)
  480 # arl:  Aironet Arlan 655 wireless adapters.
  481 # ath:  Atheros a/b/g WiFi adapters (requires ath_hal and wlan)
  482 # cp:   Cronyx Tau-PCI sync single/dual/four port
  483 #       V.35/RS-232/RS-530/RS-449/X.21/G.703/E1/E3/T3/STS-1
  484 #       serial adaptor (requires sppp (default), or NETGRAPH if
  485 #       NETGRAPH_CRONYX is configured)
  486 # ctau: Cronyx Tau sync dual port V.35/RS-232/RS-530/RS-449/X.21/G.703/E1
  487 #       serial adaptor (requires sppp (default), or NETGRAPH if
  488 #       NETGRAPH_CRONYX is configured)
  489 # cx:   Cronyx Sigma multiport sync/async adapter (requires sppp (default),
  490 #       or NETGRAPH if NETGRAPH_CRONYX is configured)
  491 # ed:   Western Digital and SMC 80xx; Novell NE1000 and NE2000; 3Com 3C503
  492 #       HP PC Lan+, various PC Card devices (refer to etc/defaults/pccard.conf)
  493 #       (requires miibus)
  494 # el:   3Com 3C501 (slow!)
  495 # ie:   AT&T StarLAN 10 and EN100; 3Com 3C507; unknown NI5210;
  496 #       Intel EtherExpress
  497 # lnc:  Lance/PCnet cards (Isolan, Novell NE2100, NE32-VL, AMD Am7990 and
  498 #       Am79C960)
  499 # oltr: Olicom ISA token-ring adapters OC-3115, OC-3117, OC-3118 and OC-3133.
  500 #       Olicom PCI token-ring adapters OC-3136, OC-3137, OC-3139, OC-3140,
  501 #       OC-3141, OC-3540 and OC-3250.
  502 # sbni: Granch SBNI12-xx ISA and PCI adapters
  503 # sr:   RISCom/N2 hdlc sync 1/2 port V.35/X.21 serial driver (requires sppp)
  504 # wl:   Lucent Wavelan (ISA card only).
  505 
  506 # Order for ISA/EISA devices is important here
  507 
  508 device          ar
  509 hint.ar.0.at="isa"
  510 hint.ar.0.port="0x300"
  511 hint.ar.0.irq="10"
  512 hint.ar.0.maddr="0xd0000"
  513 device          arl
  514 hint.arl.0.at="isa"
  515 hint.arl.0.irq="9"
  516 hint.arl.0.maddr="0xd0000"
  517 device          cp
  518 device          ctau
  519 hint.ctau.0.at="isa"
  520 hint.ctau.0.port="0x240"
  521 hint.ctau.0.irq="15"
  522 hint.ctau.0.drq="7"
  523 device          cx
  524 hint.cx.0.at="isa"
  525 hint.cx.0.port="0x240"
  526 hint.cx.0.irq="15"
  527 hint.cx.0.drq="7"
  528 #options        NETGRAPH_CRONYX         # Enable NETGRAPH support for Cronyx adapter(s)
  529 device          ed
  530 #options        ED_NO_MIIBUS            # Disable ed miibus support
  531 options         ED_3C503
  532 options         ED_HPP
  533 options         ED_SIC
  534 hint.ed.0.at="isa"
  535 hint.ed.0.port="0x280"
  536 hint.ed.0.irq="5"
  537 hint.ed.0.maddr="0xd8000"
  538 device          el
  539 hint.el.0.at="isa"
  540 hint.el.0.port="0x300"
  541 hint.el.0.irq="9"
  542 device          ie                      # Hints only required for Starlan
  543 hint.ie.2.at="isa"
  544 hint.ie.2.port="0x300"
  545 hint.ie.2.irq="5"
  546 hint.ie.2.maddr="0xd0000"
  547 device          lnc
  548 hint.lnc.0.at="isa"
  549 hint.lnc.0.port="0x280"
  550 hint.lnc.0.irq="10"
  551 hint.lnc.0.drq="0"
  552 device          sbni
  553 hint.sbni.0.at="isa"
  554 hint.sbni.0.port="0x210"
  555 hint.sbni.0.irq="0xefdead"
  556 hint.sbni.0.flags="0"
  557 device          sr
  558 hint.sr.0.at="isa"
  559 hint.sr.0.port="0x300"
  560 hint.sr.0.irq="5"
  561 hint.sr.0.maddr="0xd0000"
  562 device          oltr
  563 hint.oltr.0.at="isa"
  564 device          wl
  565 hint.wl.0.at="isa"
  566 hint.wl.0.port="0x300"
  567 options         WLCACHE         # enables the signal-strength cache
  568 options         WLDEBUG         # enables verbose debugging output
  569 
  570 device          ath
  571 device          ath_hal         # Atheros HAL (includes binary component)
  572 device          ath_rate_onoe   # Onoe rate control for ath driver
  573 #device         ath_rate_amrr   # AMRR rate control for ath driver
  574 #device         ath_rate_sample # SampleRate rate control for the ath driver
  575 #device         wlan            # 802.11 layer
  576 
  577 #
  578 # ATA raid adapters
  579 #
  580 device          pst
  581 
  582 #
  583 # Areca 11xx and 12xx series of SATA II RAID controllers.
  584 # CAM is required.
  585 #
  586 device          arcmsr          # Areca SATA II RAID
  587 
  588 #
  589 # 3ware 9000 series PATA/SATA RAID controller driver and options.
  590 # The driver is implemented as a SIM, and so, needs the CAM infrastructure.
  591 #
  592 options         TWA_DEBUG               # 0-10; 10 prints the most messages.
  593 options         TWA_FLASH_FIRMWARE      # firmware image bundled when defined.
  594 device          twa                     # 3ware 9000 series PATA/SATA RAID
  595 
  596 #
  597 # SCSI host adapters:
  598 #
  599 # ncv: NCR 53C500 based SCSI host adapters.
  600 # nsp: Workbit Ninja SCSI-3 based PC Card SCSI host adapters.
  601 # stg: TMC 18C30, 18C50 based SCSI host adapters.
  602 
  603 device          ncv
  604 device          nsp
  605 device          stg
  606 hint.stg.0.at="isa"
  607 hint.stg.0.port="0x140"
  608 hint.stg.0.port="11"
  609 
  610 #
  611 # Adaptec FSA RAID controllers, including integrated DELL controllers,
  612 # the Dell PERC 2/QC and the HP NetRAID-4M
  613 device          aac
  614 device          aacp    # SCSI Passthrough interface (optional, CAM required)
  615 
  616 #
  617 # Highpoint RocketRAID 182x.  This is really just software RAID on a
  618 # Marvell SATA chip.
  619 device          hptmv
  620 
  621 #
  622 # IBM (now Adaptec) ServeRAID controllers
  623 device          ips
  624 
  625 #
  626 # SafeNet crypto driver: can be moved to the MI NOTES as soon as
  627 # it's tested on a big-endian machine
  628 #
  629 device          safe            # SafeNet 1141
  630 options         SAFE_DEBUG      # enable debugging support: hw.safe.debug
  631 options         SAFE_RNDTEST    # enable rndtest support
  632 
  633 #####################################################################
  634 
  635 #
  636 # Miscellaneous hardware:
  637 #
  638 # apm: Laptop Advanced Power Management (experimental)
  639 # pmtimer: Timer device driver for power management events (APM or ACPI)
  640 # cy: Cyclades serial driver
  641 # digi: Digiboard driver
  642 # spic: Sony Programmable I/O controller (VAIO notebooks)
  643 
  644 # Notes on APM
  645 #  The flags takes the following meaning for apm0:
  646 #    0x0020  Statclock is broken.
  647 
  648 # Notes on the Specialix SI/XIO driver:
  649 #  The host card is memory, not IO mapped.
  650 #  The Rev 1 host cards use a 64K chunk, on a 32K boundary.
  651 #  The Rev 2 host cards use a 32K chunk, on a 32K boundary.
  652 #  The cards can use an IRQ of 11, 12 or 15.
  653 
  654 # Notes on the Sony Programmable I/O controller
  655 #  This is a temporary driver that should someday be replaced by something
  656 #  that hooks into the ACPI layer.  The device is hooked to the PIIX4's
  657 #  General Device 10 decoder, which means you have to fiddle with PCI
  658 #  registers to map it in, even though it is otherwise treated here as
  659 #  an ISA device.  At the moment, the driver polls, although the device
  660 #  is capable of generating interrupts.  It largely undocumented.
  661 #  The port location in the hint is where you WANT the device to be
  662 #  mapped.  0x10a0 seems to be traditional.  At the moment the jogdial
  663 #  is the only thing truly supported, but apparently a fair percentage
  664 #  of the Vaio extra features are controlled by this device.
  665 
  666 device          apm
  667 hint.apm.0.flags="0x20"
  668 device          pmtimer                 # Adjust system timer at wakeup time
  669 device          cy
  670 options         CY_PCI_FASTINTR         # Use with cy_pci unless irq is shared
  671 hint.cy.0.at="isa"
  672 hint.cy.0.irq="10"
  673 hint.cy.0.maddr="0xd4000"
  674 hint.cy.0.msize="0x2000"
  675 device          digi
  676 hint.digi.0.at="isa"
  677 hint.digi.0.port="0x104"
  678 hint.digi.0.maddr="0xd0000"
  679 # BIOS & FEP/OS components of device digi.
  680 device          digi_CX
  681 device          digi_CX_PCI
  682 device          digi_EPCX
  683 device          digi_EPCX_PCI
  684 device          digi_Xe
  685 device          digi_Xem
  686 device          digi_Xr
  687 # Parallel (8255 PPI) basic I/O (mode 0) port (e.g. Advantech PCL-724)
  688 device          pbio
  689 hint.pbio.0.at="isa"
  690 hint.pbio.0.port="0x360"
  691 device          spic
  692 hint.spic.0.at="isa"
  693 hint.spic.0.port="0x10a0"
  694 # sx device is i386 and pc98 only at the moment.
  695 device          sx
  696 options         SX_DEBUG
  697 # HOT1 Xilinx 6200 card (http://www.vcc.com/)
  698 device          xrpu
  699 
  700 #
  701 # Laptop/Notebook options:
  702 #
  703 # See also:
  704 #  apm under `Miscellaneous hardware'
  705 # above.
  706 
  707 # For older notebooks that signal a powerfail condition (external
  708 # power supply dropped, or battery state low) by issuing an NMI:
  709 
  710 options         POWERFAIL_NMI   # make it beep instead of panicing
  711 
  712 #
  713 # I2C Bus
  714 #
  715 # Philips i2c bus support is provided by the `iicbus' device.
  716 #
  717 # Supported interfaces:
  718 # pcf   Philips PCF8584 ISA-bus controller
  719 #
  720 device          pcf
  721 hint.pcf.0.at="isa"
  722 hint.pcf.0.port="0x320"
  723 hint.pcf.0.irq="5"
  724 
  725 #
  726 # Hardware watchdog timers:
  727 #
  728 # ichwd: Intel ICH watchdog timer
  729 #
  730 device          ichwd
  731 
  732 #---------------------------------------------------------------------------
  733 # ISDN4BSD
  734 #
  735 # See /usr/share/examples/isdn/ROADMAP for an introduction to isdn4bsd.
  736 #
  737 # i4b passive ISDN cards support contains the following hardware drivers:
  738 #
  739 #       isic  - Siemens/Infineon ISDN ISAC/HSCX/IPAC chipset driver
  740 #       iwic  - Winbond W6692 PCI bus ISDN S/T interface controller
  741 #       ifpi  - AVM Fritz!Card PCI driver
  742 #       ifpi2  - AVM Fritz!Card PCI version 2 driver
  743 #       ihfc  - Cologne Chip HFC ISA/ISA-PnP chipset driver
  744 #       ifpnp - AVM Fritz!Card PnP driver
  745 #       itjc  - Siemens ISAC / TJNet Tiger300/320 chipset
  746 #
  747 # i4b active ISDN cards support contains the following hardware drivers:
  748 #
  749 #       iavc  - AVM B1 PCI, AVM B1 ISA, AVM T1
  750 #
  751 # Note that the ``options'' (if given) and ``device'' lines must BOTH
  752 # be uncommented to enable support for a given card !
  753 #
  754 # In addition to a hardware driver (and probably an option) the mandatory
  755 # ISDN protocol stack devices and the mandatory support device must be
  756 # enabled as well as one or more devices from the optional devices section.
  757 #
  758 #---------------------------------------------------------------------------
  759 #       isic driver (Siemens/Infineon chipsets)
  760 #
  761 device  isic
  762 #
  763 # ISA bus non-PnP Cards:
  764 # ----------------------
  765 #
  766 # Teles S0/8 or Niccy 1008
  767 options         TEL_S0_8
  768 hint.isic.0.at="isa"
  769 hint.isic.0.maddr="0xd0000"
  770 hint.isic.0.irq="5"
  771 hint.isic.0.flags="1"
  772 #
  773 # Teles S0/16 or Creatix ISDN-S0 or Niccy 1016
  774 options         TEL_S0_16
  775 hint.isic.0.at="isa"
  776 hint.isic.0.port="0xd80"
  777 hint.isic.0.maddr="0xd0000"
  778 hint.isic.0.irq="5"
  779 hint.isic.0.flags="2"
  780 #
  781 # Teles S0/16.3
  782 options         TEL_S0_16_3
  783 hint.isic.0.at="isa"
  784 hint.isic.0.port="0xd80"
  785 hint.isic.0.irq="5"
  786 hint.isic.0.flags="3"
  787 #
  788 # AVM A1 or AVM Fritz!Card
  789 options         AVM_A1
  790 hint.isic.0.at="isa"
  791 hint.isic.0.port="0x340"
  792 hint.isic.0.irq="5"
  793 hint.isic.0.flags="4"
  794 #
  795 # USRobotics Sportster ISDN TA intern
  796 options         USR_STI
  797 hint.isic.0.at="isa"
  798 hint.isic.0.port="0x268"
  799 hint.isic.0.irq="5"
  800 hint.isic.0.flags="7"
  801 #
  802 # ITK ix1 Micro ( < V.3, non-PnP version )
  803 options         ITKIX1
  804 hint.isic.0.at="isa"
  805 hint.isic.0.port="0x398"
  806 hint.isic.0.irq="10"
  807 hint.isic.0.flags="18"
  808 #
  809 # ELSA PCC-16
  810 options         ELSA_PCC16
  811 hint.isic.0.at="isa"
  812 hint.isic.0.port="0x360"
  813 hint.isic.0.irq="10"
  814 hint.isic.0.flags="20"
  815 #
  816 # ISA bus PnP Cards:
  817 # ------------------
  818 #
  819 # Teles S0/16.3 PnP
  820 options         TEL_S0_16_3_P
  821 #
  822 # Creatix ISDN-S0 P&P
  823 options         CRTX_S0_P
  824 #
  825 # Dr. Neuhaus Niccy Go@
  826 options         DRN_NGO
  827 #
  828 # Sedlbauer Win Speed
  829 options         SEDLBAUER
  830 #
  831 # Dynalink IS64PH
  832 options         DYNALINK
  833 #
  834 # ELSA QuickStep 1000pro ISA
  835 options         ELSA_QS1ISA
  836 #
  837 # Siemens I-Surf 2.0
  838 options         SIEMENS_ISURF2
  839 #
  840 # Asuscom ISDNlink 128K ISA
  841 options         ASUSCOM_IPAC
  842 #
  843 # Eicon Diehl DIVA 2.0 and 2.02
  844 options         EICON_DIVA
  845 #
  846 # Compaq Microcom 610 ISDN card (Compaq series PSB2222I)
  847 options         COMPAQ_M610
  848 #
  849 # PCI bus Cards:
  850 # --------------
  851 #
  852 # ELSA MicroLink ISDN/PCI (same as ELSA QuickStep 1000pro PCI)
  853 options         ELSA_QS1PCI
  854 #
  855 #---------------------------------------------------------------------------
  856 #       ifpnp driver for AVM Fritz!Card PnP
  857 #
  858 # AVM Fritz!Card PnP
  859 device          ifpnp
  860 #
  861 #---------------------------------------------------------------------------
  862 #       ihfc driver for Cologne Chip ISA chipsets (experimental!)
  863 #
  864 # Teles 16.3c ISA PnP
  865 # AcerISDN P10 ISA PnP
  866 # TELEINT ISDN SPEED No.1
  867 device          ihfc
  868 #
  869 #---------------------------------------------------------------------------
  870 #       ifpi driver for AVM Fritz!Card PCI
  871 #
  872 # AVM Fritz!Card PCI
  873 device          ifpi
  874 #
  875 #---------------------------------------------------------------------------
  876 #       ifpi2 driver for AVM Fritz!Card PCI version 2
  877 #
  878 # AVM Fritz!Card PCI version 2
  879 device          ifpi2
  880 #
  881 #---------------------------------------------------------------------------
  882 #       iwic driver for Winbond W6692 chipset
  883 #
  884 # ASUSCOM P-IN100-ST-D (and other Winbond W6692 based cards)
  885 device          iwic
  886 #
  887 #---------------------------------------------------------------------------
  888 #       itjc driver for Siemens ISAC / TJNet Tiger300/320 chipset
  889 #
  890 # Traverse Technologies NETjet-S
  891 # Teles PCI-TJ
  892 device          itjc
  893 #
  894 #---------------------------------------------------------------------------
  895 #       iavc driver (AVM active cards, needs i4bcapi driver!)
  896 #
  897 device          iavc
  898 #
  899 # AVM B1 ISA bus (PnP mode not supported!)
  900 # ----------------------------------------
  901 hint.iavc.0.at="isa"
  902 hint.iavc.0.port="0x150"
  903 hint.iavc.0.irq="5"
  904 #
  905 #---------------------------------------------------------------------------
  906 #       ISDN Protocol Stack - mandatory for all hardware drivers
  907 #
  908 # Q.921 / layer 2 - i4b passive cards D channel handling
  909 device          i4bq921
  910 #
  911 # Q.931 / layer 3 - i4b passive cards D channel handling
  912 device          i4bq931
  913 #
  914 # layer 4 - i4b common passive and active card handling
  915 device          i4b
  916 #
  917 #---------------------------------------------------------------------------
  918 #       ISDN devices - mandatory for all hardware drivers
  919 #
  920 # userland driver to do ISDN tracing (for passive cards only)
  921 device          i4btrc
  922 options         NI4BTRC=4
  923 #
  924 # userland driver to control the whole thing
  925 device          i4bctl
  926 #
  927 #---------------------------------------------------------------------------
  928 #       ISDN devices - optional
  929 #
  930 # userland driver for access to raw B channel
  931 device          i4brbch
  932 options         NI4BRBCH=4
  933 #
  934 # userland driver for telephony
  935 device          i4btel
  936 options         NI4BTEL=2
  937 #
  938 # network driver for IP over raw HDLC ISDN
  939 device          i4bipr
  940 options         NI4BIPR=4
  941 # enable VJ header compression detection for ipr i/f
  942 options         IPR_VJ
  943 # enable logging of the first n IP packets to isdnd (n=32 here)
  944 options         IPR_LOG=32
  945 #
  946 # network driver for sync PPP over ISDN; requires an equivalent
  947 # number of sppp device to be configured
  948 device          i4bisppp
  949 options         NI4BISPPP=4
  950 #
  951 # B-channel interface to the netgraph subsystem
  952 device          i4bing
  953 options         NI4BING=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: a9f3831f51ab0963e85e3fb9e2cdebe1


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