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