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/6.1/sys/i386/conf/NOTES 158199 2006-05-01 00:15:13Z 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 #####################################################################
  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          i915drm         # Intel i830 through i915
  459 device          mach64drm       # ATI Rage Pro, Rage Mobility P/M, Rage XL
  460 device          mgadrm          # AGP Matrox G200, G400, G450, G550
  461 device          r128drm         # ATI Rage 128
  462 device          radeondrm       # ATI Radeon
  463 device          savagedrm       # S3 Savage3D, Savage4
  464 device          sisdrm          # SiS 300/305, 540, 630
  465 device          tdfxdrm         # 3dfx Voodoo 3/4/5 and Banshee
  466 options         DRM_DEBUG       # Include debug printfs (slow)
  467 
  468 #
  469 # mse: Logitech and ATI InPort bus mouse ports
  470 
  471 device          mse
  472 hint.mse.0.at="isa"
  473 hint.mse.0.port="0x23c"
  474 hint.mse.0.irq="5"
  475 
  476 #
  477 # Network interfaces:
  478 #
  479 
  480 # ar:   Arnet SYNC/570i hdlc sync 2/4 port V.35/X.21 serial driver
  481 #       (requires sppp)
  482 # arl:  Aironet Arlan 655 wireless adapters.
  483 # ath:  Atheros a/b/g WiFi adapters (requires ath_hal and wlan)
  484 # ce:   Cronyx Tau-PCI/32 sync single/dual port G.703/E1 serial adaptor
  485 #       with 32 HDLC subchannels (requires sppp (default), or NETGRAPH if
  486 #       NETGRAPH_CRONYX is configured)
  487 # cp:   Cronyx Tau-PCI sync single/dual/four port
  488 #       V.35/RS-232/RS-530/RS-449/X.21/G.703/E1/E3/T3/STS-1
  489 #       serial adaptor (requires sppp (default), or NETGRAPH if
  490 #       NETGRAPH_CRONYX is configured)
  491 # ctau: Cronyx Tau sync dual port V.35/RS-232/RS-530/RS-449/X.21/G.703/E1
  492 #       serial adaptor (requires sppp (default), or NETGRAPH if
  493 #       NETGRAPH_CRONYX is configured)
  494 # cx:   Cronyx Sigma multiport sync/async adapter (requires sppp (default),
  495 #       or NETGRAPH if NETGRAPH_CRONYX is configured)
  496 # ed:   Western Digital and SMC 80xx; Novell NE1000 and NE2000; 3Com 3C503
  497 #       HP PC Lan+, various PC Card devices (refer to etc/defaults/pccard.conf)
  498 #       (requires miibus)
  499 # el:   3Com 3C501 (slow!)
  500 # ie:   AT&T StarLAN 10 and EN100; 3Com 3C507; unknown NI5210;
  501 #       Intel EtherExpress
  502 # lnc:  Lance/PCnet cards (Isolan, Novell NE2100, NE32-VL, AMD Am7990 and
  503 #       Am79C960)
  504 # nve:  nVidia nForce MCP on-board Ethernet Networking
  505 # oltr: Olicom ISA token-ring adapters OC-3115, OC-3117, OC-3118 and OC-3133.
  506 #       Olicom PCI token-ring adapters OC-3136, OC-3137, OC-3139, OC-3140,
  507 #       OC-3141, OC-3540 and OC-3250.
  508 # sbni: Granch SBNI12-xx ISA and PCI adapters
  509 # sr:   RISCom/N2 hdlc sync 1/2 port V.35/X.21 serial driver (requires sppp)
  510 # wl:   Lucent Wavelan (ISA card only).
  511 
  512 # Order for ISA/EISA devices is important here
  513 
  514 device          ar
  515 hint.ar.0.at="isa"
  516 hint.ar.0.port="0x300"
  517 hint.ar.0.irq="10"
  518 hint.ar.0.maddr="0xd0000"
  519 device          arl
  520 hint.arl.0.at="isa"
  521 hint.arl.0.irq="9"
  522 hint.arl.0.maddr="0xd0000"
  523 device          ce
  524 device          cp
  525 device          ctau
  526 hint.ctau.0.at="isa"
  527 hint.ctau.0.port="0x240"
  528 hint.ctau.0.irq="15"
  529 hint.ctau.0.drq="7"
  530 device          cx
  531 hint.cx.0.at="isa"
  532 hint.cx.0.port="0x240"
  533 hint.cx.0.irq="15"
  534 hint.cx.0.drq="7"
  535 #options        NETGRAPH_CRONYX         # Enable NETGRAPH support for Cronyx adapter(s)
  536 device          ed
  537 #options        ED_NO_MIIBUS            # Disable ed miibus support
  538 options         ED_3C503
  539 options         ED_HPP
  540 options         ED_SIC
  541 hint.ed.0.at="isa"
  542 hint.ed.0.port="0x280"
  543 hint.ed.0.irq="5"
  544 hint.ed.0.maddr="0xd8000"
  545 device          el
  546 hint.el.0.at="isa"
  547 hint.el.0.port="0x300"
  548 hint.el.0.irq="9"
  549 device          ie                      # Hints only required for Starlan
  550 hint.ie.2.at="isa"
  551 hint.ie.2.port="0x300"
  552 hint.ie.2.irq="5"
  553 hint.ie.2.maddr="0xd0000"
  554 device          lnc
  555 hint.lnc.0.at="isa"
  556 hint.lnc.0.port="0x280"
  557 hint.lnc.0.irq="10"
  558 hint.lnc.0.drq="0"
  559 device          nve             # nVidia nForce MCP on-board Ethernet Networking
  560 device          sbni
  561 hint.sbni.0.at="isa"
  562 hint.sbni.0.port="0x210"
  563 hint.sbni.0.irq="0xefdead"
  564 hint.sbni.0.flags="0"
  565 device          sr
  566 hint.sr.0.at="isa"
  567 hint.sr.0.port="0x300"
  568 hint.sr.0.irq="5"
  569 hint.sr.0.maddr="0xd0000"
  570 device          oltr
  571 hint.oltr.0.at="isa"
  572 device          wl
  573 hint.wl.0.at="isa"
  574 hint.wl.0.port="0x300"
  575 options         WLCACHE         # enables the signal-strength cache
  576 options         WLDEBUG         # enables verbose debugging output
  577 
  578 device          ath
  579 device          ath_hal         # Atheros HAL (includes binary component)
  580 #device         ath_rate_amrr   # AMRR rate control for ath driver
  581 #device         ath_rate_onoe   # Onoe rate control for ath driver
  582 device          ath_rate_sample # SampleRate rate control for the ath driver
  583 #device         wlan            # 802.11 layer
  584 
  585 #
  586 # ATA raid adapters
  587 #
  588 device          pst
  589 
  590 #
  591 # Areca 11xx and 12xx series of SATA II RAID controllers.
  592 # CAM is required.
  593 #
  594 device          arcmsr          # Areca SATA II RAID
  595 
  596 #
  597 # 3ware 9000 series PATA/SATA RAID controller driver and options.
  598 # The driver is implemented as a SIM, and so, needs the CAM infrastructure.
  599 #
  600 options         TWA_DEBUG               # 0-10; 10 prints the most messages.
  601 options         TWA_FLASH_FIRMWARE      # firmware image bundled when defined.
  602 device          twa                     # 3ware 9000 series PATA/SATA RAID
  603 
  604 #
  605 # SCSI host adapters:
  606 #
  607 # ncv: NCR 53C500 based SCSI host adapters.
  608 # nsp: Workbit Ninja SCSI-3 based PC Card SCSI host adapters.
  609 # stg: TMC 18C30, 18C50 based SCSI host adapters.
  610 
  611 device          ncv
  612 device          nsp
  613 device          stg
  614 hint.stg.0.at="isa"
  615 hint.stg.0.port="0x140"
  616 hint.stg.0.port="11"
  617 
  618 #
  619 # Adaptec FSA RAID controllers, including integrated DELL controllers,
  620 # the Dell PERC 2/QC and the HP NetRAID-4M
  621 device          aac
  622 device          aacp    # SCSI Passthrough interface (optional, CAM required)
  623 
  624 #
  625 # Highpoint RocketRAID 182x.  This is really just software RAID on a
  626 # Marvell SATA chip.
  627 device          hptmv
  628 
  629 #
  630 # Highpoint RocketRAID 232x.  This is software RAID but with hardware
  631 # acceleration assistance for RAID_5.
  632 device          rr232x
  633 
  634 #
  635 # IBM (now Adaptec) ServeRAID controllers
  636 device          ips
  637 
  638 #
  639 # SafeNet crypto driver: can be moved to the MI NOTES as soon as
  640 # it's tested on a big-endian machine
  641 #
  642 device          safe            # SafeNet 1141
  643 options         SAFE_DEBUG      # enable debugging support: hw.safe.debug
  644 options         SAFE_RNDTEST    # enable rndtest support
  645 
  646 #####################################################################
  647 
  648 #
  649 # Miscellaneous hardware:
  650 #
  651 # apm: Laptop Advanced Power Management (experimental)
  652 # pmtimer: Timer device driver for power management events (APM or ACPI)
  653 # cy: Cyclades serial driver
  654 # digi: Digiboard driver
  655 # spic: Sony Programmable I/O controller (VAIO notebooks)
  656 
  657 # Notes on APM
  658 #  The flags takes the following meaning for apm0:
  659 #    0x0020  Statclock is broken.
  660 
  661 # Notes on the Specialix SI/XIO driver:
  662 #  The host card is memory, not IO mapped.
  663 #  The Rev 1 host cards use a 64K chunk, on a 32K boundary.
  664 #  The Rev 2 host cards use a 32K chunk, on a 32K boundary.
  665 #  The cards can use an IRQ of 11, 12 or 15.
  666 
  667 # Notes on the Sony Programmable I/O controller
  668 #  This is a temporary driver that should someday be replaced by something
  669 #  that hooks into the ACPI layer.  The device is hooked to the PIIX4's
  670 #  General Device 10 decoder, which means you have to fiddle with PCI
  671 #  registers to map it in, even though it is otherwise treated here as
  672 #  an ISA device.  At the moment, the driver polls, although the device
  673 #  is capable of generating interrupts.  It largely undocumented.
  674 #  The port location in the hint is where you WANT the device to be
  675 #  mapped.  0x10a0 seems to be traditional.  At the moment the jogdial
  676 #  is the only thing truly supported, but apparently a fair percentage
  677 #  of the Vaio extra features are controlled by this device.
  678 
  679 device          apm
  680 hint.apm.0.flags="0x20"
  681 device          pmtimer                 # Adjust system timer at wakeup time
  682 device          cy
  683 options         CY_PCI_FASTINTR         # Use with cy_pci unless irq is shared
  684 hint.cy.0.at="isa"
  685 hint.cy.0.irq="10"
  686 hint.cy.0.maddr="0xd4000"
  687 hint.cy.0.msize="0x2000"
  688 device          digi
  689 hint.digi.0.at="isa"
  690 hint.digi.0.port="0x104"
  691 hint.digi.0.maddr="0xd0000"
  692 # BIOS & FEP/OS components of device digi.
  693 device          digi_CX
  694 device          digi_CX_PCI
  695 device          digi_EPCX
  696 device          digi_EPCX_PCI
  697 device          digi_Xe
  698 device          digi_Xem
  699 device          digi_Xr
  700 # Parallel (8255 PPI) basic I/O (mode 0) port (e.g. Advantech PCL-724)
  701 device          pbio
  702 hint.pbio.0.at="isa"
  703 hint.pbio.0.port="0x360"
  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 # Hardware watchdog timers:
  740 #
  741 # ichwd: Intel ICH watchdog timer
  742 #
  743 device          ichwd
  744 
  745 #---------------------------------------------------------------------------
  746 # ISDN4BSD
  747 #
  748 # See /usr/share/examples/isdn/ROADMAP for an introduction to isdn4bsd.
  749 #
  750 # i4b passive ISDN cards support contains the following hardware drivers:
  751 #
  752 #       isic  - Siemens/Infineon ISDN ISAC/HSCX/IPAC chipset driver
  753 #       iwic  - Winbond W6692 PCI bus ISDN S/T interface controller
  754 #       ifpi  - AVM Fritz!Card PCI driver
  755 #       ifpi2  - AVM Fritz!Card PCI version 2 driver
  756 #       ihfc  - Cologne Chip HFC ISA/ISA-PnP chipset driver
  757 #       ifpnp - AVM Fritz!Card PnP driver
  758 #       itjc  - Siemens ISAC / TJNet Tiger300/320 chipset
  759 #
  760 # i4b active ISDN cards support contains the following hardware drivers:
  761 #
  762 #       iavc  - AVM B1 PCI, AVM B1 ISA, AVM T1
  763 #
  764 # Note that the ``options'' (if given) and ``device'' lines must BOTH
  765 # be uncommented to enable support for a given card !
  766 #
  767 # In addition to a hardware driver (and probably an option) the mandatory
  768 # ISDN protocol stack devices and the mandatory support device must be
  769 # enabled as well as one or more devices from the optional devices section.
  770 #
  771 #---------------------------------------------------------------------------
  772 #       isic driver (Siemens/Infineon chipsets)
  773 #
  774 device  isic
  775 #
  776 # ISA bus non-PnP Cards:
  777 # ----------------------
  778 #
  779 # Teles S0/8 or Niccy 1008
  780 options         TEL_S0_8
  781 hint.isic.0.at="isa"
  782 hint.isic.0.maddr="0xd0000"
  783 hint.isic.0.irq="5"
  784 hint.isic.0.flags="1"
  785 #
  786 # Teles S0/16 or Creatix ISDN-S0 or Niccy 1016
  787 options         TEL_S0_16
  788 hint.isic.0.at="isa"
  789 hint.isic.0.port="0xd80"
  790 hint.isic.0.maddr="0xd0000"
  791 hint.isic.0.irq="5"
  792 hint.isic.0.flags="2"
  793 #
  794 # Teles S0/16.3
  795 options         TEL_S0_16_3
  796 hint.isic.0.at="isa"
  797 hint.isic.0.port="0xd80"
  798 hint.isic.0.irq="5"
  799 hint.isic.0.flags="3"
  800 #
  801 # AVM A1 or AVM Fritz!Card
  802 options         AVM_A1
  803 hint.isic.0.at="isa"
  804 hint.isic.0.port="0x340"
  805 hint.isic.0.irq="5"
  806 hint.isic.0.flags="4"
  807 #
  808 # USRobotics Sportster ISDN TA intern
  809 options         USR_STI
  810 hint.isic.0.at="isa"
  811 hint.isic.0.port="0x268"
  812 hint.isic.0.irq="5"
  813 hint.isic.0.flags="7"
  814 #
  815 # ITK ix1 Micro ( < V.3, non-PnP version )
  816 options         ITKIX1
  817 hint.isic.0.at="isa"
  818 hint.isic.0.port="0x398"
  819 hint.isic.0.irq="10"
  820 hint.isic.0.flags="18"
  821 #
  822 # ELSA PCC-16
  823 options         ELSA_PCC16
  824 hint.isic.0.at="isa"
  825 hint.isic.0.port="0x360"
  826 hint.isic.0.irq="10"
  827 hint.isic.0.flags="20"
  828 #
  829 # ISA bus PnP Cards:
  830 # ------------------
  831 #
  832 # Teles S0/16.3 PnP
  833 options         TEL_S0_16_3_P
  834 #
  835 # Creatix ISDN-S0 P&P
  836 options         CRTX_S0_P
  837 #
  838 # Dr. Neuhaus Niccy Go@
  839 options         DRN_NGO
  840 #
  841 # Sedlbauer Win Speed
  842 options         SEDLBAUER
  843 #
  844 # Dynalink IS64PH
  845 options         DYNALINK
  846 #
  847 # ELSA QuickStep 1000pro ISA
  848 options         ELSA_QS1ISA
  849 #
  850 # Siemens I-Surf 2.0
  851 options         SIEMENS_ISURF2
  852 #
  853 # Asuscom ISDNlink 128K ISA
  854 options         ASUSCOM_IPAC
  855 #
  856 # Eicon Diehl DIVA 2.0 and 2.02
  857 options         EICON_DIVA
  858 #
  859 # Compaq Microcom 610 ISDN card (Compaq series PSB2222I)
  860 options         COMPAQ_M610
  861 #
  862 # PCI bus Cards:
  863 # --------------
  864 #
  865 # ELSA MicroLink ISDN/PCI (same as ELSA QuickStep 1000pro PCI)
  866 options         ELSA_QS1PCI
  867 #
  868 #---------------------------------------------------------------------------
  869 #       ifpnp driver for AVM Fritz!Card PnP
  870 #
  871 # AVM Fritz!Card PnP
  872 device          ifpnp
  873 #
  874 #---------------------------------------------------------------------------
  875 #       ihfc driver for Cologne Chip ISA chipsets (experimental!)
  876 #
  877 # Teles 16.3c ISA PnP
  878 # AcerISDN P10 ISA PnP
  879 # TELEINT ISDN SPEED No.1
  880 device          ihfc
  881 #
  882 #---------------------------------------------------------------------------
  883 #       ifpi driver for AVM Fritz!Card PCI
  884 #
  885 # AVM Fritz!Card PCI
  886 device          ifpi
  887 #
  888 #---------------------------------------------------------------------------
  889 #       ifpi2 driver for AVM Fritz!Card PCI version 2
  890 #
  891 # AVM Fritz!Card PCI version 2
  892 device          ifpi2
  893 #
  894 #---------------------------------------------------------------------------
  895 #       iwic driver for Winbond W6692 chipset
  896 #
  897 # ASUSCOM P-IN100-ST-D (and other Winbond W6692 based cards)
  898 device          iwic
  899 #
  900 #---------------------------------------------------------------------------
  901 #       itjc driver for Siemens ISAC / TJNet Tiger300/320 chipset
  902 #
  903 # Traverse Technologies NETjet-S
  904 # Teles PCI-TJ
  905 device          itjc
  906 #
  907 #---------------------------------------------------------------------------
  908 #       iavc driver (AVM active cards, needs i4bcapi driver!)
  909 #
  910 device          iavc
  911 #
  912 # AVM B1 ISA bus (PnP mode not supported!)
  913 # ----------------------------------------
  914 hint.iavc.0.at="isa"
  915 hint.iavc.0.port="0x150"
  916 hint.iavc.0.irq="5"
  917 #
  918 #---------------------------------------------------------------------------
  919 #       ISDN Protocol Stack - mandatory for all hardware drivers
  920 #
  921 # Q.921 / layer 2 - i4b passive cards D channel handling
  922 device          i4bq921
  923 #
  924 # Q.931 / layer 3 - i4b passive cards D channel handling
  925 device          i4bq931
  926 #
  927 # layer 4 - i4b common passive and active card handling
  928 device          i4b
  929 #
  930 #---------------------------------------------------------------------------
  931 #       ISDN devices - mandatory for all hardware drivers
  932 #
  933 # userland driver to do ISDN tracing (for passive cards only)
  934 device          i4btrc
  935 options         NI4BTRC=4
  936 #
  937 # userland driver to control the whole thing
  938 device          i4bctl
  939 #
  940 #---------------------------------------------------------------------------
  941 #       ISDN devices - optional
  942 #
  943 # userland driver for access to raw B channel
  944 device          i4brbch
  945 options         NI4BRBCH=4
  946 #
  947 # userland driver for telephony
  948 device          i4btel
  949 options         NI4BTEL=2
  950 #
  951 # network driver for IP over raw HDLC ISDN
  952 device          i4bipr
  953 options         NI4BIPR=4
  954 # enable VJ header compression detection for ipr i/f
  955 options         IPR_VJ
  956 # enable logging of the first n IP packets to isdnd (n=32 here)
  957 options         IPR_LOG=32
  958 #
  959 # network driver for sync PPP over ISDN; requires an equivalent
  960 # number of sppp device to be configured
  961 device          i4bisppp
  962 options         NI4BISPPP=4
  963 #
  964 # B-channel interface to the netgraph subsystem
  965 device          i4bing
  966 options         NI4BING=2
  967 #
  968 # CAPI driver needed for active ISDN cards (see iavc driver above)
  969 device          i4bcapi
  970 #
  971 #---------------------------------------------------------------------------
  972 
  973 #
  974 # System Management Bus (SMB)
  975 #
  976 options         ENABLE_ALART            # Control alarm on Intel intpm driver
  977 
  978 #
  979 # Set the number of PV entries per process.  Increasing this can
  980 # stop panics related to heavy use of shared memory.  However, that can
  981 # (combined with large amounts of physical memory) cause panics at
  982 # boot time due the kernel running out of VM space.
  983 #
  984 # If you're tweaking this, you might also want to increase the sysctls
  985 # "vm.v_free_min", "vm.v_free_reserved", and "vm.v_free_target".
  986 #
  987 # The value below is the one more than the default.
  988 #
  989 options         PMAP_SHPGPERPROC=201
  990 
  991 #
  992 # Change the size of the kernel virtual address space.  Due to
  993 # constraints in loader(8) on i386, this must be a multiple of 4.
  994 # 256 = 1 GB of kernel address space.  Increasing this also causes
  995 # a reduction of the address space in user processes.  512 splits
  996 # the 4GB cpu address space in half (2GB user, 2GB kernel).
  997 #
  998 options         KVA_PAGES=260
  999 
 1000 
 1001 #####################################################################
 1002 # ABI Emulation
 1003 
 1004 # Enable iBCS2 runtime support for SCO and ISC binaries
 1005 options         IBCS2
 1006 
 1007 # Emulate spx device for client side of SVR3 local X interface
 1008 options         SPX_HACK
 1009 
 1010 # Enable Linux ABI emulation
 1011 options         COMPAT_LINUX
 1012 
 1013 # Enable i386 a.out binary support
 1014 options         COMPAT_AOUT
 1015 
 1016 # Enable the linux-like proc filesystem support (requires COMPAT_LINUX
 1017 # and PSEUDOFS)
 1018 options         LINPROCFS
 1019 
 1020 #
 1021 # SysVR4 ABI emulation
 1022 #
 1023 # The svr4 ABI emulator can be statically compiled into the kernel or loaded as
 1024 # a KLD module.
 1025 # The STREAMS network emulation code can also be compiled statically or as a
 1026 # module.  If loaded as a module, it must be loaded before the svr4 module
 1027 # (the /usr/sbin/svr4 script does this for you).  If compiling statically,
 1028 # the `streams' device must be configured into any kernel which also
 1029 # specifies COMPAT_SVR4.  It is possible to have a statically-configured
 1030 # STREAMS device and a dynamically loadable svr4 emulator;  the /usr/sbin/svr4
 1031 # script understands that it doesn't need to load the `streams' module under
 1032 # those circumstances.
 1033 # Caveat:  At this time, `options KTRACE' is required for the svr4 emulator
 1034 # (whether static or dynamic).
 1035 #
 1036 options         COMPAT_SVR4     # build emulator statically
 1037 options         DEBUG_SVR4      # enable verbose debugging
 1038 device          streams         # STREAMS network driver (required for svr4).
 1039 
 1040 
 1041 #####################################################################
 1042 # VM OPTIONS
 1043 
 1044 # Disable the 4 MByte page PSE CPU feature.  The PSE feature allows the
 1045 # kernel to use 4 MByte pages to map the kernel instead of 4k pages.
 1046 # This saves on the amount of memory needed for page tables needed to
 1047 # map the kernel.  You should only disable this feature as a temporary
 1048 # workaround if you are having problems with it enabled.
 1049 #
 1050 #options        DISABLE_PSE
 1051 
 1052 # Disable the global pages PGE CPU feature.  The PGE feature allows pages
 1053 # to be marked with the PG_G bit.  TLB entries for these pages are not
 1054 # flushed from the cache when %cr3 is reloaded.  This can make context
 1055 # switches less expensive.  You should only disable this feature as a
 1056 # temporary workaround if you are having problems with it enabled.
 1057 #
 1058 #options        DISABLE_PG_G
 1059 
 1060 # KSTACK_PAGES is the number of memory pages to assign to the kernel
 1061 # stack of each thread.
 1062 
 1063 options         KSTACK_PAGES=3
 1064 
 1065 #####################################################################
 1066 
 1067 # More undocumented options for linting.
 1068 # Note that documenting these are not considered an affront.
 1069 
 1070 options         FB_INSTALL_CDEV         # install a CDEV entry in /dev
 1071 
 1072 # PECOFF module (Win32 Execution Format)
 1073 options         PECOFF_SUPPORT
 1074 options         PECOFF_DEBUG
 1075 
 1076 options         I4B_SMP_WORKAROUND
 1077 options         I586_PMC_GUPROF=0x70000
 1078 options         KBDIO_DEBUG=2
 1079 options         KBD_MAXRETRY=4
 1080 options         KBD_MAXWAIT=6
 1081 options         KBD_RESETDELAY=201
 1082 
 1083 options         PSM_DEBUG=1
 1084 
 1085 options         TIMER_FREQ=((14318182+6)/12)
 1086 
 1087 options         VM_KMEM_SIZE
 1088 options         VM_KMEM_SIZE_MAX
 1089 options         VM_KMEM_SIZE_SCALE
 1090 
 1091 
 1092 # The I/O device
 1093 device          io
 1094 
 1095 # asr old ioctls support, needed by raidutils
 1096 
 1097 options         ASR_COMPAT

Cache object: 91a30a460df80e67afe2c5708837ae04


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