1125461Speter# 2125461Speter# NOTES -- Lines that can be cut/pasted into kernel and hints configs. 3125461Speter# 4125461Speter# This file contains machine dependent kernel configuration notes. For 5125461Speter# machine independent notes, look in /sys/conf/NOTES. 6125984Sobrien# 7125461Speter# $FreeBSD$ 8125461Speter# 9125461Speter 10125461Speter# 11126929Speter# We want LINT to cover profiling as well. 12147687Speterprofile 2 13125461Speter 14209313Skib# 15209313Skib# Enable the kernel DTrace hooks which are required to load the DTrace 16209313Skib# kernel modules. 17209313Skib# 18209313Skiboptions KDTRACE_HOOKS 19209313Skib 20125461Speter 21126541Sobrien##################################################################### 22126541Sobrien# SMP OPTIONS: 23126541Sobrien# 24126541Sobrien# Notes: 25126541Sobrien# 26147378Sups# IPI_PREEMPTION instructs the kernel to preempt threads running on other 27147378Sups# CPUS if needed. Relies on the PREEMPTION option 28125461Speter 29126541Sobrien# Optional: 30147378Supsoptions IPI_PREEMPTION 31126638Sobriendevice atpic # Optional legacy pic support 32126637Sobriendevice mptable # Optional MPSPEC mptable support 33126541Sobrien 34142732Sobrien# 35142732Sobrien# Watchdog routines. 36142732Sobrien# 37142732Sobrienoptions MP_WATCHDOG 38142732Sobrien 39209248Smav# Debugging options. 40209248Smav# 41209248Smavoptions COUNT_XINVLTLB_HITS # Counters for TLB events 42209248Smavoptions COUNT_IPIS # Per-CPU IPI interrupt counters 43145727Sdwhite 44209248Smav 45126541Sobrien 46126541Sobrien##################################################################### 47126541Sobrien# CPU OPTIONS 48126541Sobrien 49125461Speter# 50126541Sobrien# You must specify at least one CPU (the one you intend to run on); 51126541Sobrien# deleting the specification for CPUs you don't need to use may make 52126541Sobrien# parts of the system run faster. 53126541Sobrien# 54126541Sobriencpu HAMMER # aka K8, aka Opteron & Athlon64 55126541Sobrien 56126541Sobrien# 57126541Sobrien# Options for CPU features. 58126541Sobrien# 59126541Sobrien 60126541Sobrien# 61125461Speter# PERFMON causes the driver for Pentium/Pentium Pro performance counters 62125461Speter# to be compiled. See perfmon(4) for more information. 63125461Speter# 64126541Sobrien#XXX#options PERFMON 65125461Speter 66125461Speter 67125461Speter##################################################################### 68125461Speter# NETWORKING OPTIONS 69125461Speter 70125461Speter# 71125461Speter# DEVICE_POLLING adds support for mixed interrupt-polling handling 72125461Speter# of network device drivers, which has significant benefits in terms 73125461Speter# of robustness to overloads and responsivity, as well as permitting 74125461Speter# accurate scheduling of the CPU time between kernel network processing 75126541Sobrien# and other activities. The drawback is a moderate (up to 1/HZ seconds) 76125461Speter# potential increase in response times. 77125461Speter# It is strongly recommended to use HZ=1000 or 2000 with DEVICE_POLLING 78125461Speter# to achieve smoother behaviour. 79151051Sglebius# Additionally, you can enable/disable polling at runtime with help of 80151051Sglebius# the ifconfig(8) utility, and select the CPU fraction reserved to 81151051Sglebius# userland with the sysctl variable kern.polling.user_frac 82151051Sglebius# (default 50, range 0..100). 83125461Speter# 84126541Sobrien# Not all device drivers support this mode of operation at the time of 85126541Sobrien# this writing. See polling(4) for more details. 86125461Speter 87125461Speteroptions DEVICE_POLLING 88125461Speter 89177586Sjkim# BPF_JITTER adds support for BPF just-in-time compiler. 90177586Sjkim 91191954Skuriyamaoptions BPF_JITTER 92177586Sjkim 93234183Sjhb# OpenFabrics Enterprise Distribution (Infiniband). 94234183Sjhboptions OFED 95234183Sjhboptions OFED_DEBUG_INIT 96234183Sjhb 97234183Sjhb# Sockets Direct Protocol 98234183Sjhboptions SDP 99234183Sjhboptions SDP_DEBUG 100234183Sjhb 101239771Sjhb# IP over Infiniband 102234183Sjhboptions IPOIB 103234183Sjhboptions IPOIB_DEBUG 104234183Sjhboptions IPOIB_CM 105234183Sjhb 106125461Speter 107125461Speter##################################################################### 108125461Speter# CLOCK OPTIONS 109125461Speter 110173160Speter# Provide read/write access to the memory in the clock chip. 111173160Speterdevice nvram # Access to rtc cmos via /dev/nvram 112173160Speter 113125461Speter 114125461Speter##################################################################### 115125461Speter# MISCELLANEOUS DEVICES AND OPTIONS 116125461Speter 117152306Srudevice speaker #Play IBM BASIC-style noises out your speaker 118152306Sruhint.speaker.0.at="isa" 119152306Sruhint.speaker.0.port="0x61" 120126541Sobriendevice gzip #Exec gzipped a.out's. REQUIRES COMPAT_AOUT! 121125461Speter 122125461Speter 123125461Speter##################################################################### 124125461Speter# HARDWARE BUS CONFIGURATION 125125461Speter 126125461Speter# 127125461Speter# ISA bus 128125461Speter# 129125461Speterdevice isa 130125461Speter 131125461Speter# 132125461Speter# Options for `isa': 133125461Speter# 134125461Speter# AUTO_EOI_1 enables the `automatic EOI' feature for the master 8259A 135125461Speter# interrupt controller. This saves about 0.7-1.25 usec for each interrupt. 136125461Speter# This option breaks suspend/resume on some portables. 137125461Speter# 138125461Speter# AUTO_EOI_2 enables the `automatic EOI' feature for the slave 8259A 139125461Speter# interrupt controller. This saves about 0.7-1.25 usec for each interrupt. 140125461Speter# Automatic EOI is documented not to work for for the slave with the 141125461Speter# original i8259A, but it works for some clones and some integrated 142125461Speter# versions. 143125461Speter# 144125461Speter# MAXMEM specifies the amount of RAM on the machine; if this is not 145125461Speter# specified, FreeBSD will first read the amount of memory from the CMOS 146125461Speter# RAM, so the amount of memory will initially be limited to 64MB or 16MB 147125461Speter# depending on the BIOS. If the BIOS reports 64MB, a memory probe will 148125461Speter# then attempt to detect the installed amount of RAM. If this probe 149125461Speter# fails to detect >64MB RAM you will have to use the MAXMEM option. 150125461Speter# The amount is in kilobytes, so for a machine with 128MB of RAM, it would 151125461Speter# be 131072 (128 * 1024). 152125461Speter# 153125461Speter# BROKEN_KEYBOARD_RESET disables the use of the keyboard controller to 154125461Speter# reset the CPU for reboot. This is needed on some systems with broken 155125461Speter# keyboard controllers. 156125461Speter 157126541Sobrienoptions AUTO_EOI_1 158126541Sobrien#options AUTO_EOI_2 159126541Sobrien 160125461Speteroptions MAXMEM=(128*1024) 161125461Speter#options BROKEN_KEYBOARD_RESET 162125461Speter 163125461Speter# 164125461Speter# PCI bus & PCI options: 165125461Speter# 166125461Speterdevice pci 167125461Speter 168125461Speter# 169125461Speter# AGP GART support 170125461Speterdevice agp 171125461Speter 172188247Swkoszek# 173188247Swkoszek# AGP debugging. 174188247Swkoszek# 175191954Skuriyamaoptions AGP_DEBUG 176188247Swkoszek 177125461Speter 178125461Speter##################################################################### 179125461Speter# HARDWARE DEVICE CONFIGURATION 180125461Speter 181197380Sdelphij# To include support for VGA VESA video modes 182197025Sdelphijoptions VESA 183197025Sdelphij 184197025Sdelphij# Turn on extra debugging checks and output for VESA support. 185197025Sdelphijoptions VESA_DEBUG 186197025Sdelphij 187197397Sdelphijdevice dpms # DPMS suspend & resume via VESA BIOS 188197397Sdelphij 189197397Sdelphij# x86 real mode BIOS emulator, required by atkbdc/dpms/vesa 190197397Sdelphijoptions X86BIOS 191197397Sdelphij 192125461Speter# 193125461Speter# Optional devices: 194125461Speter# 195125461Speter 196163535Sdes# PS/2 mouse 197163535Sdesdevice psm 198163535Sdeshint.psm.0.at="atkbdc" 199163535Sdeshint.psm.0.irq="12" 200163535Sdes 201163535Sdes# Options for psm: 202163535Sdesoptions PSM_HOOKRESUME #hook the system resume event, useful 203163535Sdes #for some laptops 204163535Sdesoptions PSM_RESETAFTERSUSPEND #reset the device at the resume event 205163535Sdes 206163535Sdes# The keyboard controller; it controls the keyboard and the PS/2 mouse. 207163535Sdesdevice atkbdc 208163535Sdeshint.atkbdc.0.at="isa" 209163535Sdeshint.atkbdc.0.port="0x060" 210163535Sdes 211163535Sdes# The AT keyboard 212163535Sdesdevice atkbd 213163535Sdeshint.atkbd.0.at="atkbdc" 214163535Sdeshint.atkbd.0.irq="1" 215163535Sdes 216163535Sdes# Options for atkbd: 217163535Sdesoptions ATKBD_DFLT_KEYMAP # specify the built-in keymap 218163535Sdesmakeoptions ATKBD_DFLT_KEYMAP=jp.106 219163535Sdes 220163535Sdes# `flags' for atkbd: 221163535Sdes# 0x01 Force detection of keyboard, else we always assume a keyboard 222163535Sdes# 0x02 Don't reset keyboard, useful for some newer ThinkPads 223163535Sdes# 0x03 Force detection and avoid reset, might help with certain 224163535Sdes# dockingstations 225163535Sdes# 0x04 Old-style (XT) keyboard support, useful for older ThinkPads 226163535Sdes 227163535Sdes# Video card driver for VGA adapters. 228163535Sdesdevice vga 229163535Sdeshint.vga.0.at="isa" 230163535Sdes 231163535Sdes# Options for vga: 232163535Sdes# Try the following option if the mouse pointer is not drawn correctly 233163535Sdes# or font does not seem to be loaded properly. May cause flicker on 234163535Sdes# some systems. 235163535Sdesoptions VGA_ALT_SEQACCESS 236163535Sdes 237163535Sdes# If you can dispense with some vga driver features, you may want to 238163535Sdes# use the following options to save some memory. 239163535Sdes#options VGA_NO_FONT_LOADING # don't save/load font 240163535Sdes#options VGA_NO_MODE_CHANGE # don't change video modes 241163535Sdes 242163535Sdes# Older video cards may require this option for proper operation. 243163535Sdesoptions VGA_SLOW_IOACCESS # do byte-wide i/o's to TS and GDC regs 244163535Sdes 245163535Sdes# The following option probably won't work with the LCD displays. 246163535Sdesoptions VGA_WIDTH90 # support 90 column modes 247163535Sdes 248163535Sdes# Debugging. 249163535Sdesoptions VGA_DEBUG 250163535Sdes 251197379Sdelphij# Linear framebuffer driver for S3 VESA 1.2 cards. Works on top of VESA. 252197379Sdelphijdevice s3pci 253197379Sdelphij 254126541Sobrien# 3Dfx Voodoo Graphics, Voodoo II /dev/3dfx CDEV support. This will create 255126541Sobrien# the /dev/3dfx0 device to work with glide implementations. This should get 256126541Sobrien# linked to /dev/3dfx and /dev/voodoo. Note that this is not the same as 257126541Sobrien# the tdfx DRI module from XFree86 and is completely unrelated. 258125461Speter# 259126541Sobrien# To enable Linuxulator support, one must also include COMPAT_LINUX in the 260156354Syar# config as well. The other option is to load both as modules. 261126541Sobrien 262126541Sobriendevice tdfx # Enable 3Dfx Voodoo support 263156354Syar#XXX#device tdfx_linux # Enable Linuxulator support 264126541Sobrien 265126541Sobrien# 266125461Speter# ACPI support using the Intel ACPI Component Architecture reference 267125461Speter# implementation. 268125461Speter# 269125461Speter# ACPI_DEBUG enables the use of the debug.acpi.level and debug.acpi.layer 270125461Speter# kernel environment variables to select initial debugging levels for the 271125461Speter# Intel ACPICA code. (Note that the Intel code must also have USE_DEBUGGER 272125461Speter# defined when it is built). 273126541Sobrien 274125461Speterdevice acpi 275125461Speteroptions ACPI_DEBUG 276125461Speter 277171146Snjl# The cpufreq(4) driver provides support for non-ACPI CPU frequency control 278171146Snjldevice cpufreq 279171146Snjl 280145132Sanholt# Direct Rendering modules for 3D acceleration. 281145132Sanholtdevice drm # DRM core module required by DRM drivers 282153033Sanholtdevice i915drm # Intel i830 through i915 283145132Sanholtdevice mach64drm # ATI Rage Pro, Rage Mobility P/M, Rage XL 284145132Sanholtdevice mgadrm # AGP Matrox G200, G400, G450, G550 285145132Sanholtdevice r128drm # ATI Rage 128 286148211Sanholtdevice radeondrm # ATI Radeon 287152909Sanholtdevice savagedrm # S3 Savage3D, Savage4 288145132Sanholtdevice sisdrm # SiS 300/305, 540, 630 289145132Sanholtdevice tdfxdrm # 3dfx Voodoo 3/4/5 and Banshee 290203288Srnolanddevice viadrm # VIA 291145132Sanholtoptions DRM_DEBUG # Include debug printfs (slow) 292125461Speter 293125461Speter# 294125461Speter# Network interfaces: 295125461Speter# 296125461Speter 297255736Sdavidch# bxe: Broadcom NetXtreme II (BCM5771X/BCM578XX) PCIe 10Gb Ethernet 298255736Sdavidch# adapters. 299125984Sobrien# ed: Western Digital and SMC 80xx; Novell NE1000 and NE2000; 3Com 3C503 300163494Simp# HP PC Lan+, various PC Card devices 301129293Speter# (requires miibus) 302159549Sjhb# ipw: Intel PRO/Wireless 2100 IEEE 802.11 adapter 303203691Sbrucec# Requires the ipw firmware module 304159549Sjhb# iwi: Intel PRO/Wireless 2200BG/2225BG/2915ABG IEEE 802.11 adapters 305203691Sbrucec# Requires the iwi firmware module 306203691Sbrucec# iwn: Intel Wireless WiFi Link 4965/1000/5000/6000 802.11 network adapters 307203691Sbrucec# Requires the iwn firmware module 308234183Sjhb# mlx4ib: Mellanox ConnectX HCA InfiniBand 309234183Sjhb# mlxen: Mellanox ConnectX HCA Ethernet 310234183Sjhb# mthca: Mellanox HCA InfiniBand 311159967Sobrien# nfe: nVidia nForce MCP on-board Ethernet Networking (BSD open source) 312151907Sjhb# nve: nVidia nForce MCP on-board Ethernet Networking 313228085Sphilip# sfxge: Solarflare SFC9000 family 10Gb Ethernet adapters 314255323Sbryanv# vmx: VMware VMXNET3 Ethernet (BSD open source) 315173491Sbenjsc# wpi: Intel 3945ABG Wireless LAN controller 316203691Sbrucec# Requires the wpi firmware module 317125461Speter 318255736Sdavidchdevice bxe # Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE 319233872Sjhbdevice ed # NE[12]000, SMC Ultra, 3c503, DS8390 cards 320148263Speteroptions ED_3C503 321148263Speteroptions ED_HPP 322148263Speteroptions ED_SIC 323233872Sjhbdevice ipw # Intel 2100 wireless NICs. 324233872Sjhbdevice iwi # Intel 2200BG/2225BG/2915ABG wireless NICs. 325233872Sjhbdevice iwn # Intel 4965/1000/5000/6000 wireless NICs. 326234183Sjhbdevice mlx4ib # Mellanox ConnectX HCA InfiniBand 327234183Sjhbdevice mlxen # Mellanox ConnectX HCA Ethernet 328234183Sjhbdevice mthca # Mellanox HCA InfiniBand 329233872Sjhbdevice nfe # nVidia nForce MCP on-board Ethernet 330233872Sjhbdevice nve # nVidia nForce MCP on-board Ethernet Networking 331240098Sjhbdevice sfxge # Solarflare SFC9000 10Gb Ethernet 332255323Sbryanvdevice vmx # VMware VMXNET3 Ethernet 333233872Sjhbdevice wpi # Intel 3945ABG wireless NICs. 334125461Speter 335203691Sbrucec# IEEE 802.11 adapter firmware modules 336203691Sbrucec 337203691Sbrucec# Intel PRO/Wireless 2100 firmware: 338203691Sbrucec# ipwfw: BSS/IBSS/monitor mode firmware 339203691Sbrucec# ipwbssfw: BSS mode firmware 340203691Sbrucec# ipwibssfw: IBSS mode firmware 341203691Sbrucec# ipwmonitorfw: Monitor mode firmware 342203691Sbrucec# Intel PRO/Wireless 2200BG/2225BG/2915ABG firmware: 343203691Sbrucec# iwifw: BSS/IBSS/monitor mode firmware 344203691Sbrucec# iwibssfw: BSS mode firmware 345203691Sbrucec# iwiibssfw: IBSS mode firmware 346203691Sbrucec# iwimonitorfw: Monitor mode firmware 347203691Sbrucec# Intel Wireless WiFi Link 4965/1000/5000/6000 series firmware: 348203691Sbrucec# iwnfw: Single module to support the 4965/1000/5000/5150/6000 349203691Sbrucec# iwn4965fw: Specific module for the 4965 only 350203691Sbrucec# iwn1000fw: Specific module for the 1000 only 351203691Sbrucec# iwn5000fw: Specific module for the 5000 only 352203691Sbrucec# iwn5150fw: Specific module for the 5150 only 353203691Sbrucec# iwn6000fw: Specific module for the 6000 only 354210113Sbschmidt# iwn6050fw: Specific module for the 6050 only 355203691Sbrucec# wpifw: Intel 3945ABG Wireless LAN Controller firmware 356203691Sbrucec 357203691Sbrucecdevice iwifw 358203691Sbrucecdevice iwibssfw 359203691Sbrucecdevice iwiibssfw 360203691Sbrucecdevice iwimonitorfw 361203691Sbrucecdevice ipwfw 362203691Sbrucecdevice ipwbssfw 363203691Sbrucecdevice ipwibssfw 364203691Sbrucecdevice ipwmonitorfw 365203691Sbrucecdevice iwnfw 366203691Sbrucecdevice iwn4965fw 367203691Sbrucecdevice iwn1000fw 368203691Sbrucecdevice iwn5000fw 369203691Sbrucecdevice iwn5150fw 370203691Sbrucecdevice iwn6000fw 371210113Sbschmidtdevice iwn6050fw 372203691Sbrucecdevice wpifw 373203691Sbrucec 374250079Scarl# Intel Non-Transparent Bridge (NTB) hardware 375250079Scarldevice ntb_hw # Hardware Abstraction Layer for the NTB 376250079Scarldevice if_ntb # Simulated ethernet device using the NTB 377250079Scarl 378125461Speter# 379126541Sobrien#XXX this stores pointers in a 32bit field that is defined by the hardware 380126541Sobrien#device pst 381125461Speter 382126541Sobrien# 383144423Sscottl# Areca 11xx and 12xx series of SATA II RAID controllers. 384144423Sscottl# CAM is required. 385144423Sscottl# 386144423Sscottldevice arcmsr # Areca SATA II RAID 387144423Sscottl 388144423Sscottl# 389129293Speter# 3ware 9000 series PATA/SATA RAID controller driver and options. 390129293Speter# The driver is implemented as a SIM, and so, needs the CAM infrastructure. 391129293Speter# 392142733Sobrienoptions TWA_DEBUG # 0-10; 10 prints the most messages. 393142733Sobrienoptions TWA_FLASH_FIRMWARE # firmware image bundled when defined. 394129293Speterdevice twa # 3ware 9000 series PATA/SATA RAID 395129293Speter 396129293Speter# 397125461Speter# SCSI host adapters: 398126541Sobrien# 399125984Sobrien# ncv: NCR 53C500 based SCSI host adapters. 400125984Sobrien# nsp: Workbit Ninja SCSI-3 based PC Card SCSI host adapters. 401125984Sobrien# stg: TMC 18C30, 18C50 based SCSI host adapters. 402125461Speter 403126638Sobriendevice ncv 404126638Sobriendevice nsp 405126638Sobriendevice stg 406125984Sobrien 407125461Speter# 408125461Speter# Adaptec FSA RAID controllers, including integrated DELL controllers, 409125461Speter# the Dell PERC 2/QC and the HP NetRAID-4M 410125461Speterdevice aac 411125461Speterdevice aacp # SCSI Passthrough interface (optional, CAM required) 412125461Speter 413125461Speter# 414250963Sachim# Adaptec by PMC RAID controllers, Series 6/7/8 and upcoming families 415250963Sachimdevice aacraid # Container interface, CAM required 416250963Sachim 417250963Sachim# 418228940Sdelphij# Highpoint RocketRAID 27xx. 419228940Sdelphijdevice hpt27xx 420228940Sdelphij 421228940Sdelphij# 422174604Sscottl# Highpoint RocketRAID 182x. 423149873Sscottldevice hptmv 424147687Speter 425147687Speter# 426252867Sdelphij# Highpoint DC7280 and R750. 427252867Sdelphijdevice hptnr 428252867Sdelphij 429252867Sdelphij# 430174604Sscottl# Highpoint RocketRAID. Supports RR172x, RR222x, RR2240, RR232x, RR2340, 431174604Sscottl# RR2210, RR174x, RR2522, RR231x, RR230x. 432174604Sscottldevice hptrr 433174604Sscottl 434174604Sscottl# 435169421Sscottl# Highpoint RocketRaid 3xxx series SATA RAID 436169421Sscottldevice hptiop 437169421Sscottl 438169421Sscottl# 439125461Speter# IBM (now Adaptec) ServeRAID controllers 440125461Speterdevice ips 441125461Speter 442125461Speter# 443230843Sjimharris# Intel C600 (Patsburg) integrated SAS controller 444230843Sjimharrisdevice isci 445230843Sjimharrisoptions ISCI_LOGGING # enable debugging in isci HAL 446230843Sjimharris 447230843Sjimharris# 448240618Sjimharris# NVM Express (NVMe) support 449240618Sjimharrisdevice nvme # base NVMe driver 450240618Sjimharrisdevice nvd # expose NVMe namespaces as disks, depends on nvme 451240618Sjimharris 452240618Sjimharris# 453125461Speter# SafeNet crypto driver: can be moved to the MI NOTES as soon as 454125461Speter# it's tested on a big-endian machine 455125461Speter# 456125461Speterdevice safe # SafeNet 1141 457142733Sobrienoptions SAFE_DEBUG # enable debugging support: hw.safe.debug 458142733Sobrienoptions SAFE_RNDTEST # enable rndtest support 459125461Speter 460245362Sbryanv# 461245362Sbryanv# VirtIO support 462247870Sbryanv# 463247870Sbryanv# The virtio entry provides a generic bus for use by the device drivers. 464247870Sbryanv# It must be combined with an interface that communicates with the host. 465247870Sbryanv# Multiple such interfaces defined by the VirtIO specification. FreeBSD 466247870Sbryanv# only has support for PCI. Therefore, virtio_pci must be statically 467247870Sbryanv# compiled in or loaded as a module for the device drivers to function. 468247870Sbryanv# 469245362Sbryanvdevice virtio # Generic VirtIO bus (required) 470245362Sbryanvdevice virtio_pci # VirtIO PCI Interface 471245362Sbryanvdevice vtnet # VirtIO Ethernet device 472245362Sbryanvdevice virtio_blk # VirtIO Block device 473245362Sbryanvdevice virtio_scsi # VirtIO SCSI device 474245362Sbryanvdevice virtio_balloon # VirtIO Memory Balloon device 475245362Sbryanv 476259637Sglebiusdevice hyperv # HyperV drivers 477259637Sglebius 478259637Sglebius# Xen HVM Guest Optimizations 479259637Sglebiusoptions XENHVM # Xen HVM kernel infrastructure 480259637Sglebiusdevice xenpci # Xen HVM Hypervisor services driver 481259637Sglebius 482125461Speter##################################################################### 483125461Speter 484125461Speter# 485125461Speter# Miscellaneous hardware: 486125461Speter# 487162562Sjhb# ipmi: Intelligent Platform Management Interface 488188254Swkoszek# pbio: Parallel (8255 PPI) basic I/O (mode 0) port (e.g. Advantech PCL-724) 489148264Speter# smbios: DMI/SMBIOS entry point 490148264Speter# vpd: Vital Product Data kernel interface 491174962Srpaulo# asmc: Apple System Management Controller 492188254Swkoszek# si: Specialix International SI/XIO or SX intelligent serial card 493212861Snork# tpm: Trusted Platform Module 494125461Speter 495125461Speter# Notes on the Specialix SI/XIO driver: 496125461Speter# The host card is memory, not IO mapped. 497125461Speter# The Rev 1 host cards use a 64K chunk, on a 32K boundary. 498125461Speter# The Rev 2 host cards use a 32K chunk, on a 32K boundary. 499125461Speter# The cards can use an IRQ of 11, 12 or 15. 500125461Speter 501162562Sjhbdevice ipmi 502147687Speterdevice pbio 503147687Speterhint.pbio.0.at="isa" 504147687Speterhint.pbio.0.port="0x360" 505148217Sjkimdevice smbios 506148264Speterdevice vpd 507174962Srpaulodevice asmc 508188254Swkoszek#device si 509212861Snorkdevice tpm 510254624Sobriendevice padlock_rng # VIA Padlock RNG 511254624Sobriendevice rdrand_rng # Intel Bull Mountain RNG 512256053Sjmgdevice aesni # AES-NI OpenCrypto module 513188254Swkoszek 514125461Speter# 515125461Speter# Laptop/Notebook options: 516125461Speter# 517125461Speter 518126541Sobrien 519126541Sobrien# 520126541Sobrien# I2C Bus 521126541Sobrien# 522126541Sobrien 523147687Speter# 524147687Speter# Hardware watchdog timers: 525147687Speter# 526147687Speter# ichwd: Intel ICH watchdog timer 527199969Savg# amdsbwd: AMD SB7xx watchdog timer 528228724Sdelphij# viawd: VIA south bridge watchdog timer 529232614Sbz# wbwd: Winbond watchdog timer 530147687Speter# 531147687Speterdevice ichwd 532199969Savgdevice amdsbwd 533228431Sfabientdevice viawd 534232614Sbzdevice wbwd 535147687Speter 536171854Sdes# 537171854Sdes# Temperature sensors: 538171854Sdes# 539171854Sdes# coretemp: on-die sensor on Intel Core and newer CPUs 540189872Sdchagin# amdtemp: on-die sensor on AMD K8/K10/K11 CPUs 541171854Sdes# 542171854Sdesdevice coretemp 543189872Sdchagindevice amdtemp 544171854Sdes 545126541Sobrien# 546181430Sstas# CPU control pseudo-device. Provides access to MSRs, CPUID info and 547181430Sstas# microcode update feature. 548181430Sstas# 549181430Sstasdevice cpuctl 550181430Sstas 551181430Sstas# 552129293Speter# System Management Bus (SMB) 553129293Speter# 554129293Speteroptions ENABLE_ALART # Control alarm on Intel intpm driver 555129293Speter 556129293Speter# 557225194Sjhb# Number of initial kernel page table pages used for early bootstrap. 558225194Sjhb# This number should include enough pages to map the kernel and any 559225194Sjhb# modules or other data loaded with the kernel by the loader. Each 560225194Sjhb# page table page maps 2MB. 561225194Sjhb# 562225194Sjhboptions NKPT=31 563225194Sjhb 564125461Speter 565125461Speter##################################################################### 566125461Speter# ABI Emulation 567125461Speter 568126541Sobrien#XXX keep these here for now and reactivate when support for emulating 569126541Sobrien#XXX these 32 bit binaries is added. 570126541Sobrien 571133844Sobrien# Enable 32-bit runtime support for FreeBSD/i386 binaries. 572205014Snwhitehornoptions COMPAT_FREEBSD32 573133844Sobrien 574126541Sobrien# Enable iBCS2 runtime support for SCO and ISC binaries 575126541Sobrien#XXX#options IBCS2 576126541Sobrien 577126541Sobrien# Emulate spx device for client side of SVR3 local X interface 578126541Sobrien#XXX#options SPX_HACK 579126541Sobrien 580125461Speter# Enable Linux ABI emulation 581126541Sobrien#XXX#options COMPAT_LINUX 582125461Speter 583205014Snwhitehorn# Enable 32-bit Linux ABI emulation (requires COMPAT_43 and COMPAT_FREEBSD32) 584133819Stjroptions COMPAT_LINUX32 585133819Stjr 586133853Stjr# Enable the linux-like proc filesystem support (requires COMPAT_LINUX32 587125461Speter# and PSEUDOFS) 588133853Stjroptions LINPROCFS 589125461Speter 590158381Sambrisko#Enable the linux-like sys filesystem support (requires COMPAT_LINUX32 591158381Sambrisko# and PSEUDOFS) 592191954Skuriyamaoptions LINSYSFS 593158381Sambrisko 594126541Sobrien# 595126541Sobrien# SysVR4 ABI emulation 596126541Sobrien# 597126541Sobrien# The svr4 ABI emulator can be statically compiled into the kernel or loaded as 598126541Sobrien# a KLD module. 599126541Sobrien# The STREAMS network emulation code can also be compiled statically or as a 600126541Sobrien# module. If loaded as a module, it must be loaded before the svr4 module 601126541Sobrien# (the /usr/sbin/svr4 script does this for you). If compiling statically, 602126541Sobrien# the `streams' device must be configured into any kernel which also 603126541Sobrien# specifies COMPAT_SVR4. It is possible to have a statically-configured 604126541Sobrien# STREAMS device and a dynamically loadable svr4 emulator; the /usr/sbin/svr4 605126541Sobrien# script understands that it doesn't need to load the `streams' module under 606126541Sobrien# those circumstances. 607126541Sobrien# Caveat: At this time, `options KTRACE' is required for the svr4 emulator 608126541Sobrien# (whether static or dynamic). 609126541Sobrien# 610126541Sobrien#XXX#options COMPAT_SVR4 # build emulator statically 611126930Speter#XXX#options DEBUG_SVR4 # enable verbose debugging 612126541Sobrien#XXX#device streams # STREAMS network driver (required for svr4). 613126541Sobrien 614125461Speter 615125461Speter##################################################################### 616125461Speter# VM OPTIONS 617125461Speter 618125461Speter# KSTACK_PAGES is the number of memory pages to assign to the kernel 619125461Speter# stack of each thread. 620125461Speter 621219525Savgoptions KSTACK_PAGES=5 622125461Speter 623233433Salc# Enable detailed accounting by the PV entry allocator. 624233433Salc 625233433Salcoptions PV_STATS 626233433Salc 627125461Speter##################################################################### 628125461Speter 629125461Speter# More undocumented options for linting. 630125461Speter# Note that documenting these are not considered an affront. 631125461Speter 632125461Speteroptions FB_INSTALL_CDEV # install a CDEV entry in /dev 633125461Speter 634125461Speteroptions KBDIO_DEBUG=2 635125461Speteroptions KBD_MAXRETRY=4 636125461Speteroptions KBD_MAXWAIT=6 637125461Speteroptions KBD_RESETDELAY=201 638125461Speter 639125461Speteroptions PSM_DEBUG=1 640125461Speter 641125461Speteroptions TIMER_FREQ=((14318182+6)/12) 642125461Speter 643125461Speteroptions VM_KMEM_SIZE 644125461Speteroptions VM_KMEM_SIZE_MAX 645125461Speteroptions VM_KMEM_SIZE_SCALE 646132956Smarkm 647159549Sjhb# Enable NDIS binary driver support 648189497Sthompsaoptions NDISAPI 649189497Sthompsadevice ndis 650197518Sbz 651197518Sbz# Linux-specific pseudo devices support 652197518Sbzdevice lindev 653