NOTES revision 177586
1111314Snyan# 2111314Snyan# NOTES -- Lines that can be cut/pasted into kernel and hints configs. 3111314Snyan# 4111314Snyan# This file contains machine dependent kernel configuration notes. For 5111314Snyan# machine independent notes, look in /sys/conf/NOTES. 6111314Snyan# 7111314Snyan# $FreeBSD: head/sys/pc98/conf/NOTES 177586 2008-03-24 22:23:22Z jkim $ 8111314Snyan# 9111314Snyan 10125234Snyan# 11127520Snyan# We want LINT to cover profiling as well. 12111314Snyanprofile 2 13111314Snyan 14111314Snyan 15111314Snyan##################################################################### 16111314Snyan# SMP OPTIONS: 17111314Snyan# 18122755Snyan# The apic device enables the use of the I/O APIC for interrupt delivery. 19122755Snyan# The apic device can be used in both UP and SMP kernels, but is required 20122755Snyan# for SMP kernels. Thus, the apic device is not strictly an SMP option, 21122755Snyan# but it is a prerequisite for SMP. 22111314Snyan# 23111314Snyan 24111314Snyan# Mandatory: 25122056Snyandevice apic # I/O apic 26124795Snyan 27142783Snyan# 28142783Snyan# Watchdog routines. 29142783Snyan# 30142783Snyanoptions MP_WATCHDOG 31142783Snyan 32145743Snyan# Debugging options. 33145743Snyan# 34151634Sjhboptions STOP_NMI # Stop CPUS using NMI instead of IPI 35145743Snyan 36145743Snyan 37111314Snyan 38111314Snyan##################################################################### 39111314Snyan# CPU OPTIONS 40111314Snyan 41111314Snyan# 42111314Snyan# You must specify at least one CPU (the one you intend to run on); 43111314Snyan# deleting the specification for CPUs you don't need to use may make 44111314Snyan# parts of the system run faster. 45111314Snyan# 46111314Snyancpu I486_CPU 47111314Snyancpu I586_CPU # aka Pentium(tm) 48111314Snyancpu I686_CPU # aka Pentium Pro(tm) 49111314Snyan 50111314Snyan# 51111314Snyan# Options for CPU features. 52111314Snyan# 53124795Snyan# CPU_BLUELIGHTNING_3X enables triple-clock mode on IBM Blue Lightning 54124795Snyan# CPU if CPU supports it. The default is double-clock mode on 55124795Snyan# BlueLightning CPU box. 56124795Snyan# 57111314Snyan# CPU_BLUELIGHTNING_FPU_OP_CACHE enables FPU operand cache on IBM 58111314Snyan# BlueLightning CPU. It works only with Cyrix FPU, and this option 59111314Snyan# should not be used with Intel FPU. 60111314Snyan# 61111314Snyan# CPU_BTB_EN enables branch target buffer on Cyrix 5x86 (NOTE 1). 62111314Snyan# 63111314Snyan# CPU_CYRIX_NO_LOCK enables weak locking for the entire address space 64111314Snyan# of Cyrix 6x86 and 6x86MX CPUs by setting the NO_LOCK bit of CCR1. 65111314Snyan# Otherwise, the NO_LOCK bit of CCR1 is cleared. (NOTE 3) 66111314Snyan# 67124795Snyan# CPU_DIRECT_MAPPED_CACHE sets L1 cache of Cyrix 486DLC CPU in direct 68124795Snyan# mapped mode. Default is 2-way set associative mode. 69124795Snyan# 70127520Snyan# CPU_DISABLE_5X86_LSSER disables load store serialize (i.e., enables 71111314Snyan# reorder). This option should not be used if you use memory mapped 72111314Snyan# I/O device(s). 73111314Snyan# 74125234Snyan# CPU_DISABLE_CMPXCHG disables the CMPXCHG instruction on > i386 IA32 75137526Snyan# machines. VmWare 3.x seems to emulate this instruction poorly, causing 76137526Snyan# the guest OS to run very slowly. This problem appears to be fixed in 77137526Snyan# VmWare 4.x, at least in version 4.5.2, so that enabling this option with 78137526Snyan# VmWare 4.x will result in locking operations to be 20-30 times slower. 79137526Snyan# Enabling this with an SMP kernel will cause the kernel to be unusable. 80124795Snyan# 81127520Snyan# CPU_DISABLE_SSE explicitly prevents I686_CPU from turning on SSE. 82124795Snyan# 83111314Snyan# CPU_FASTER_5X86_FPU enables faster FPU exception handler. 84111314Snyan# 85111314Snyan# CPU_I486_ON_386 enables CPU cache on i486 based CPU upgrade products 86111314Snyan# for i386 machines. 87111314Snyan# 88111314Snyan# CPU_IORT defines I/O clock delay time (NOTE 1). Default values of 89111314Snyan# I/O clock delay time on Cyrix 5x86 and 6x86 are 0 and 7,respectively 90111314Snyan# (no clock delay). 91111314Snyan# 92125234Snyan# CPU_L2_LATENCY specifies the L2 cache latency value. This option is used 93111314Snyan# only when CPU_PPRO2CELERON is defined and Mendocino Celeron is detected. 94111314Snyan# The default value is 5. 95111314Snyan# 96111314Snyan# CPU_LOOP_EN prevents flushing the prefetch buffer if the destination 97111314Snyan# of a jump is already present in the prefetch buffer on Cyrix 5x86(NOTE 98111314Snyan# 1). 99111314Snyan# 100111314Snyan# CPU_PPRO2CELERON enables L2 cache of Mendocino Celeron CPUs. This option 101111314Snyan# is useful when you use Socket 8 to Socket 370 converter, because most Pentium 102111314Snyan# Pro BIOSs do not enable L2 cache of Mendocino Celeron CPUs. 103111314Snyan# 104111314Snyan# CPU_RSTK_EN enables return stack on Cyrix 5x86 (NOTE 1). 105111314Snyan# 106111314Snyan# CPU_SUSP_HLT enables suspend on HALT. If this option is set, CPU 107111314Snyan# enters suspend mode following execution of HALT instruction. 108111314Snyan# 109111314Snyan# CPU_UPGRADE_HW_CACHE eliminates unneeded cache flush instruction(s). 110111314Snyan# 111111314Snyan# CPU_WT_ALLOC enables write allocation on Cyrix 6x86/6x86MX and AMD 112125234Snyan# K5/K6/K6-2 CPUs. 113111314Snyan# 114111314Snyan# CYRIX_CACHE_WORKS enables CPU cache on Cyrix 486 CPUs with cache 115111314Snyan# flush at hold state. 116111314Snyan# 117111314Snyan# CYRIX_CACHE_REALLY_WORKS enables (1) CPU cache on Cyrix 486 CPUs 118111314Snyan# without cache flush at hold state, and (2) write-back CPU cache on 119111314Snyan# Cyrix 6x86 whose revision < 2.7 (NOTE 2). 120111314Snyan# 121111314Snyan# NO_F00F_HACK disables the hack that prevents Pentiums (and ONLY 122111314Snyan# Pentiums) from locking up when a LOCK CMPXCHG8B instruction is 123111314Snyan# executed. This option is only needed if I586_CPU is also defined, 124111314Snyan# and should be included for any non-Pentium CPU that defines it. 125111314Snyan# 126111314Snyan# NO_MEMORY_HOLE is an optimisation for systems with AMD K6 processors 127111314Snyan# which indicates that the 15-16MB range is *definitely* not being 128111314Snyan# occupied by an ISA memory hole. 129111314Snyan# 130111314Snyan# NOTE 1: The options, CPU_BTB_EN, CPU_LOOP_EN, CPU_IORT, 131111314Snyan# CPU_LOOP_EN and CPU_RSTK_EN should not be used because of CPU bugs. 132111314Snyan# These options may crash your system. 133111314Snyan# 134111314Snyan# NOTE 2: If CYRIX_CACHE_REALLY_WORKS is not set, CPU cache is enabled 135111314Snyan# in write-through mode when revision < 2.7. If revision of Cyrix 136111314Snyan# 6x86 >= 2.7, CPU cache is always enabled in write-back mode. 137111314Snyan# 138111314Snyan# NOTE 3: This option may cause failures for software that requires 139111314Snyan# locked cycles in order to operate correctly. 140111314Snyan# 141124795Snyanoptions CPU_BLUELIGHTNING_3X 142111314Snyanoptions CPU_BLUELIGHTNING_FPU_OP_CACHE 143111314Snyanoptions CPU_BTB_EN 144111314Snyanoptions CPU_DIRECT_MAPPED_CACHE 145111314Snyanoptions CPU_DISABLE_5X86_LSSER 146124795Snyanoptions CPU_DISABLE_CMPXCHG 147124795Snyan#options CPU_DISABLE_SSE 148111314Snyanoptions CPU_FASTER_5X86_FPU 149111314Snyanoptions CPU_I486_ON_386 150111314Snyanoptions CPU_IORT 151111314Snyanoptions CPU_L2_LATENCY=5 152111314Snyanoptions CPU_LOOP_EN 153111314Snyanoptions CPU_PPRO2CELERON 154111314Snyanoptions CPU_RSTK_EN 155111314Snyanoptions CPU_SUSP_HLT 156111314Snyanoptions CPU_UPGRADE_HW_CACHE 157111314Snyanoptions CPU_WT_ALLOC 158111314Snyanoptions CYRIX_CACHE_WORKS 159111314Snyanoptions CYRIX_CACHE_REALLY_WORKS 160111314Snyan#options NO_F00F_HACK 161111314Snyan 162111314Snyan# Debug options 163124795Snyanoptions NPX_DEBUG # enable npx debugging 164111314Snyan 165111314Snyan# 166111314Snyan# PERFMON causes the driver for Pentium/Pentium Pro performance counters 167111314Snyan# to be compiled. See perfmon(4) for more information. 168111314Snyan# 169111314Snyanoptions PERFMON 170111314Snyan 171111314Snyan 172111314Snyan##################################################################### 173111314Snyan# NETWORKING OPTIONS 174111314Snyan 175111314Snyan# 176111314Snyan# DEVICE_POLLING adds support for mixed interrupt-polling handling 177111314Snyan# of network device drivers, which has significant benefits in terms 178111314Snyan# of robustness to overloads and responsivity, as well as permitting 179111314Snyan# accurate scheduling of the CPU time between kernel network processing 180124795Snyan# and other activities. The drawback is a moderate (up to 1/HZ seconds) 181111314Snyan# potential increase in response times. 182111314Snyan# It is strongly recommended to use HZ=1000 or 2000 with DEVICE_POLLING 183111314Snyan# to achieve smoother behaviour. 184151051Sglebius# Additionally, you can enable/disable polling at runtime with help of 185151051Sglebius# the ifconfig(8) utility, and select the CPU fraction reserved to 186151051Sglebius# userland with the sysctl variable kern.polling.user_frac 187151051Sglebius# (default 50, range 0..100). 188111314Snyan# 189124408Snyan# Not all device drivers support this mode of operation at the time of 190124408Snyan# this writing. See polling(4) for more details. 191111314Snyan 192111314Snyanoptions DEVICE_POLLING 193111314Snyan 194177586Sjkim# BPF_JITTER adds support for BPF just-in-time compiler. 195177586Sjkim 196177586Sjkimoptions BPF_JITTER 197177586Sjkim 198111314Snyan 199111314Snyan##################################################################### 200111314Snyan# CLOCK OPTIONS 201111314Snyan 202111314Snyan# The following options are used for debugging clock behavior only, and 203111314Snyan# should not be used for production systems. 204111314Snyan 205123984Sbde# CLK_CALIBRATION_LOOP causes clock calibration to be run in a loop at 206123984Sbde# startup until the user presses a key. (The i8254 clock is always 207123984Sbde# calibrated relative to the RTC (mc146818a) and this option causes the 208123984Sbde# calibration to be repeated.) 209111314Snyanoptions CLK_CALIBRATION_LOOP 210111314Snyan 211123984Sbde# CLK_USE_I8254_CALIBRATION causes the calibrated frequency of the i8254 212123984Sbde# clock to actually be used. 213111314Snyanoptions CLK_USE_I8254_CALIBRATION 214111314Snyan 215111314Snyan 216111314Snyan##################################################################### 217111314Snyan# MISCELLANEOUS DEVICES AND OPTIONS 218111314Snyan 219160813Smarcel# 220160813Smarcel# sio: serial ports (see sio(4)), including support for various 221163494Simp# PC Card devices, such as Modem and NICs 222160813Smarcel# 223160813Smarceldevice sio 224160813Smarcelhint.sio.0.at="isa" 225160813Smarcelhint.sio.0.port="0x3F8" 226160813Smarcelhint.sio.0.flags="0x10" 227160813Smarcelhint.sio.0.irq="4" 228160813Smarcel 229160813Smarcel# `flags' specific to sio(4). 230160813Smarcel# 0x10 enable console support for this unit. Other console flags 231160813Smarcel# (if applicable) are ignored unless this is set. Enabling 232160813Smarcel# console support does not make the unit the preferred console. 233160813Smarcel# Boot with -h or set boot_serial=YES in the loader. For sio(4) 234160813Smarcel# specifically, the 0x20 flag can also be set (see above). 235160813Smarcel# Currently, at most one unit can have console support; the 236160813Smarcel# first one (in config file order) with this flag set is 237160813Smarcel# preferred. Setting this flag for sio0 gives the old behaviour. 238160813Smarcel# 0x20 force this unit to be the console (unless there is another 239160813Smarcel# higher priority console). This replaces the COMCONSOLE option. 240160813Smarcel# 0x40 reserve this unit for low level console operations. Do not 241160813Smarcel# access the device in any normal way. 242160813Smarcel# 0x80 use this port for serial line gdb support in ddb. Also known 243160813Smarcel# as debug port. 244160813Smarcel# PnP `flags' 245160813Smarcel# 0x1 disable probing of this device. Used to prevent your modem 246160813Smarcel# from being attached as a PnP modem. 247160813Smarcel# Other flags for sio that aren't documented in the man page. 248160813Smarcel# 0x20000 enable hardware RTS/CTS and larger FIFOs. Only works for 249160813Smarcel# ST16650A-compatible UARTs. 250160813Smarcel 251160813Smarcel# Options for sio: 252160813Smarceloptions COM_ESP # Code for Hayes ESP. 253160813Smarceloptions COM_MULTIPORT # Code for some cards with shared IRQs. 254160813Smarceloptions CONSPEED=115200 # Speed for serial console 255160813Smarcel # (default 9600). 256160813Smarcel 257111314Snyandevice speaker #Play IBM BASIC-style noises out your speaker 258111314Snyanhint.speaker.0.at="isa" 259111314Snyanhint.speaker.0.port="0x35" 260124795Snyandevice gzip #Exec gzipped a.out's. REQUIRES COMPAT_AOUT! 261111314Snyandevice apm_saver # Requires APM 262111314Snyan 263111314Snyan 264111314Snyan##################################################################### 265111314Snyan# HARDWARE BUS CONFIGURATION 266111314Snyan 267111314Snyan# 268111314Snyan# ISA bus 269111314Snyan# 270111314Snyandevice isa 271111314Snyan 272111314Snyan# 273111314Snyan# Options for `isa': 274111314Snyan# 275111314Snyan# AUTO_EOI_1 enables the `automatic EOI' feature for the master 8259A 276111314Snyan# interrupt controller. This saves about 0.7-1.25 usec for each interrupt. 277111314Snyan# This option breaks suspend/resume on some portables. 278111314Snyan# 279111314Snyan# MAXMEM specifies the amount of RAM on the machine; if this is not 280111314Snyan# specified, FreeBSD will first read the amount of memory from the CMOS 281111314Snyan# RAM, so the amount of memory will initially be limited to 64MB or 16MB 282111314Snyan# depending on the BIOS. If the BIOS reports 64MB, a memory probe will 283111314Snyan# then attempt to detect the installed amount of RAM. If this probe 284111314Snyan# fails to detect >64MB RAM you will have to use the MAXMEM option. 285111314Snyan# The amount is in kilobytes, so for a machine with 128MB of RAM, it would 286111314Snyan# be 131072 (128 * 1024). 287111314Snyan# 288111314Snyan# BROKEN_KEYBOARD_RESET disables the use of the keyboard controller to 289111314Snyan# reset the CPU for reboot. This is needed on some systems with broken 290111314Snyan# keyboard controllers. 291111314Snyan 292111314Snyanoptions AUTO_EOI_1 293111314Snyan 294111314Snyanoptions MAXMEM=(128*1024) 295111314Snyan#options BROKEN_KEYBOARD_RESET 296111314Snyanoptions EPSON_BOUNCEDMA 297111314Snyanoptions EPSON_MEMWIN 298111314Snyan 299111314Snyan# 300111314Snyan# PCI bus & PCI options: 301111314Snyan# 302111314Snyandevice pci 303111314Snyan 304111314Snyan# 305111314Snyan# AGP GART support 306111314Snyandevice agp 307111314Snyan 308111314Snyan 309111314Snyan##################################################################### 310111314Snyan# HARDWARE DEVICE CONFIGURATION 311111314Snyan 312111314Snyan# PC98 keyboard 313111314Snyandevice pckbd 314111314Snyanhint.pckbd.0.at="isa" 315111314Snyanhint.pckbd.0.port="0x041" 316111314Snyanhint.pckbd.0.irq="1" 317111314Snyan 318111314Snyan# GDC screen 319111314Snyandevice gdc 320111314Snyanhint.gdc.0.at="isa" 321111314Snyanoptions LINE30 322111314Snyan 323111314Snyan# 324131815Snyan# The Numeric Processing eXtension driver. This is non-optional. 325111314Snyandevice npx 326111314Snyan 327111314Snyan# 328111314Snyan# `flags' for npx0: 329111314Snyan# 0x01 don't use the npx registers to optimize bcopy. 330111314Snyan# 0x02 don't use the npx registers to optimize bzero. 331111314Snyan# 0x04 don't use the npx registers to optimize copyin or copyout. 332111314Snyan# The npx registers are normally used to optimize copying and zeroing when 333111314Snyan# all of the following conditions are satisfied: 334111314Snyan# I586_CPU is an option 335111314Snyan# the cpu is an i586 (perhaps not a Pentium) 336111314Snyan# the probe for npx0 succeeds 337111314Snyan# INT 16 exception handling works. 338111314Snyan# Then copying and zeroing using the npx registers is normally 30-100% faster. 339111314Snyan# The flags can be used to control cases where it doesn't work or is slower. 340140371Sru# Setting them at boot time using hints works right (the optimizations 341111314Snyan# are not used until later in the bootstrap when npx0 is attached). 342111314Snyan# Flag 0x08 automatically disables the i586 optimized routines. 343111314Snyan# 344111314Snyan 345111314Snyan# 346111314Snyan# Optional devices: 347111314Snyan# 348111314Snyan 349124795Snyan# 3Dfx Voodoo Graphics, Voodoo II /dev/3dfx CDEV support. This will create 350124795Snyan# the /dev/3dfx0 device to work with glide implementations. This should get 351124795Snyan# linked to /dev/3dfx and /dev/voodoo. Note that this is not the same as 352111314Snyan# the tdfx DRI module from XFree86 and is completely unrelated. 353111314Snyan# 354111314Snyan# To enable Linuxulator support, one must also include COMPAT_LINUX in the 355156272Snyan# config as well. The other option is to load both as modules. 356111314Snyan 357126708Snyandevice tdfx # Enable 3Dfx Voodoo support 358156272Snyandevice tdfx_linux # Enable Linuxulator support 359111314Snyan 360145183Snyan# Direct Rendering modules for 3D acceleration. 361145183Snyandevice drm # DRM core module required by DRM drivers 362145183Snyandevice mach64drm # ATI Rage Pro, Rage Mobility P/M, Rage XL 363145183Snyandevice mgadrm # AGP Matrox G200, G400, G450, G550 364145183Snyandevice r128drm # ATI Rage 128 365148235Snyandevice radeondrm # ATI Radeon 366152952Snyandevice savagedrm # S3 Savage3D, Savage4 367145183Snyandevice sisdrm # SiS 300/305, 540, 630 368145183Snyandevice tdfxdrm # 3dfx Voodoo 3/4/5 and Banshee 369145183Snyanoptions DRM_DEBUG # Include debug printfs (slow) 370111314Snyan 371111314Snyan# 372111314Snyan# Bus mouse 373111314Snyan# 374111314Snyandevice mse 375111314Snyanhint.mse.0.at="isa" 376111314Snyanhint.mse.0.port="0x7fd9" 377111314Snyanhint.mse.0.irq="13" 378111314Snyan 379111314Snyan# 380111314Snyan# Network interfaces: 381111314Snyan# 382111314Snyan 383111314Snyan# ar: Arnet SYNC/570i hdlc sync 2/4 port V.35/X.21 serial driver 384111314Snyan# (requires sppp) 385158357Snyan# ath: Atheros a/b/g WiFi adapters (requires ath_hal and wlan) 386155215Snyan# ce: Cronyx Tau-PCI/32 sync single/dual port G.703/E1 serial adaptor 387155215Snyan# with 32 HDLC subchannels (requires sppp (default), or NETGRAPH if 388155215Snyan# NETGRAPH_CRONYX is configured) 389129384Snyan# cp: Cronyx Tau-PCI sync single/dual/four port 390129384Snyan# V.35/RS-232/RS-530/RS-449/X.21/G.703/E1/E3/T3/STS-1 391129384Snyan# serial adaptor (requires sppp (default), or NETGRAPH if 392129384Snyan# NETGRAPH_CRONYX is configured) 393153581Simp# cs: IBM Etherjet and other Crystal Semi CS89x0-based adapters and pccard 394111314Snyan# ed: Western Digital and SMC 80xx; Novell NE1000 and NE2000; 3Com 3C503 395150555Simp# HP PC Lan+, various PC Card devices 396111314Snyan# (requires miibus) 397111314Snyan# ie: AT&T StarLAN 10 and EN100; 3Com 3C507; unknown NI5210; 398111314Snyan# Intel EtherExpress 399126708Snyan# oltr: Olicom ISA token-ring adapters OC-3115, OC-3117, OC-3118 and OC-3133. 400111314Snyan# Olicom PCI token-ring adapters OC-3136, OC-3137, OC-3139, OC-3140, 401126708Snyan# OC-3141, OC-3540 and OC-3250. 402159549Sjhb# ral: Ralink Technology IEEE 802.11 wireless adapter 403126708Snyan# sbni: Granch SBNI12-xx ISA and PCI adapters 404111314Snyan# sr: RISCom/N2 hdlc sync 1/2 port V.35/X.21 serial driver (requires sppp) 405159549Sjhb# ural: Ralink Technology RT2500USB IEEE 802.11 wireless adapter 406111314Snyan 407111314Snyan# Order for ISA/EISA devices is important here 408111314Snyan 409111314Snyandevice ar 410155215Snyandevice ce 411129384Snyandevice cp 412153581Simpdevice cs 413111314Snyandevice ed 414111314Snyanhint.ed.0.at="isa" 415111314Snyanhint.ed.0.port="0x280" 416111314Snyanhint.ed.0.irq="5" 417111314Snyanhint.ed.0.maddr="0xd8000" 418112840Smdodddevice ie # Hints only required for Starlan 419112840Smdoddhint.ie.2.at="isa" 420112840Smdoddhint.ie.2.port="0x300" 421112840Smdoddhint.ie.2.irq="5" 422112840Smdoddhint.ie.2.maddr="0xd0000" 423158712Smarius# Hint for the PC98-only C-NET(98)S C-bus front-end of le(4). 424158712Smariushint.le.0.at="isa" 425158712Smariushint.le.0.port="0x03d0" 426158712Smariushint.le.0.irq="6" 427159549Sjhbdevice oltr 428159549Sjhbdevice ral 429111314Snyandevice sbni 430111314Snyanhint.sbni.0.at="isa" 431111314Snyanhint.sbni.0.port="0x210" 432111314Snyanhint.sbni.0.irq="0xefdead" 433111314Snyanhint.sbni.0.flags="0" 434111314Snyandevice snc 435111314Snyanhint.snc.0.at="isa" 436111314Snyanhint.snc.0.port="0x888" 437111314Snyanhint.snc.0.irq="6" 438111314Snyanhint.snc.0.maddr="0xc0000" 439111314Snyandevice sr 440159549Sjhbdevice ural 441111314Snyan 442158357Snyandevice ath 443158357Snyandevice ath_hal # Atheros HAL (includes binary component) 444158357Snyan#device ath_rate_amrr # AMRR rate control for ath driver 445158357Snyan#device ath_rate_onoe # Onoe rate control for ath driver 446158357Snyandevice ath_rate_sample # SampleRate rate control for the ath driver 447158357Snyan#device wlan # 802.11 layer 448158357Snyan 449125234Snyan# 450111314Snyan# SCSI host adapters: 451125234Snyan# 452111314Snyan# ct: WD33C93[ABC] based SCSI host adapters. 453111314Snyan# ncv: NCR 53C500 based SCSI host adapters. 454111314Snyan# nsp: Workbit Ninja SCSI-3 based PC Card SCSI host adapters. 455111314Snyan# stg: TMC 18C30, 18C50 based SCSI host adapters. 456111314Snyan 457111314Snyandevice ct 458111314Snyanhint.ct.0.at="isa" 459126708Snyandevice ncv 460126708Snyandevice nsp 461126708Snyandevice stg 462111314Snyan 463111314Snyan# 464117918Snyan# SafeNet crypto driver: can be moved to the MI NOTES as soon as 465117918Snyan# it's tested on a big-endian machine 466117918Snyan# 467117918Snyandevice safe # SafeNet 1141 468142783Snyanoptions SAFE_DEBUG # enable debugging support: hw.safe.debug 469142783Snyanoptions SAFE_RNDTEST # enable rndtest support 470117918Snyan 471117918Snyan##################################################################### 472117918Snyan 473117918Snyan# 474111314Snyan# Miscellaneous hardware: 475111314Snyan# 476111314Snyan# apm: Laptop Advanced Power Management (experimental) 477111314Snyan# pmtimer: Timer device driver for power management events (APM or ACPI) 478124795Snyan# cy: Cyclades serial driver 479111314Snyan# digi: Digiboard driver 480111314Snyan 481111314Snyan# Notes on APM 482111314Snyan# The flags takes the following meaning for apm0: 483111314Snyan# 0x0020 Statclock is broken. 484111314Snyan 485111314Snyandevice apm 486111314Snyanhint.apm.0.flags="0x20" 487111314Snyandevice canbus 488111314Snyandevice canbepm 489128876Sbdedevice cy 490127945Snyanoptions CY_PCI_FASTINTR # Use with cy_pci unless irq is shared 491111314Snyandevice digi 492111314Snyan# BIOS & FEP/OS components of device digi. 493111314Snyandevice digi_CX 494111314Snyandevice digi_CX_PCI 495111314Snyandevice digi_EPCX 496111314Snyandevice digi_EPCX_PCI 497111314Snyandevice digi_Xe 498111314Snyandevice digi_Xem 499111314Snyandevice digi_Xr 500124795Snyandevice olpt 501124795Snyanhint.olpt.0.at="isa" 502124795Snyanhint.olpt.0.port="0x040" 503128221Simpdevice pmc 504128221Simphint.pmc.0.at="isa" 505128221Simphint.pmc.0.port="0x8f0" 506128221Simpdevice pmtimer # Adjust system timer at wakeup time 507111314Snyan 508111314Snyan# 509111314Snyan# Laptop/Notebook options: 510111314Snyan# 511111314Snyan# See also: 512111314Snyan# apm under `Miscellaneous hardware' 513111314Snyan# above. 514111314Snyan 515111314Snyan# For older notebooks that signal a powerfail condition (external 516111314Snyan# power supply dropped, or battery state low) by issuing an NMI: 517111314Snyan 518111314Snyanoptions POWERFAIL_NMI # make it beep instead of panicing 519111314Snyan 520111314Snyan#--------------------------------------------------------------------------- 521111314Snyan# ISDN4BSD 522111314Snyan# 523111314Snyan# See /usr/share/examples/isdn/ROADMAP for an introduction to isdn4bsd. 524111314Snyan# 525111314Snyan# i4b passive ISDN cards support contains the following hardware drivers: 526111314Snyan# 527111314Snyan# isic - Siemens/Infineon ISDN ISAC/HSCX/IPAC chipset driver 528111314Snyan# iwic - Winbond W6692 PCI bus ISDN S/T interface controller 529111314Snyan# ifpi - AVM Fritz!Card PCI driver 530111314Snyan# ifpi2 - AVM Fritz!Card PCI version 2 driver 531111314Snyan# ihfc - Cologne Chip HFC ISA/ISA-PnP chipset driver 532125234Snyan# ifpnp - AVM Fritz!Card PnP driver 533111314Snyan# itjc - Siemens ISAC / TJNet Tiger300/320 chipset 534111314Snyan# 535111314Snyan# i4b active ISDN cards support contains the following hardware drivers: 536111314Snyan# 537111314Snyan# iavc - AVM B1 PCI, AVM B1 ISA, AVM T1 538111314Snyan# 539111314Snyan# Note that the ``options'' (if given) and ``device'' lines must BOTH 540111314Snyan# be uncommented to enable support for a given card ! 541111314Snyan# 542111314Snyan# In addition to a hardware driver (and probably an option) the mandatory 543125234Snyan# ISDN protocol stack devices and the mandatory support device must be 544111314Snyan# enabled as well as one or more devices from the optional devices section. 545111314Snyan# 546111314Snyan#--------------------------------------------------------------------------- 547111314Snyan# isic driver (Siemens/Infineon chipsets) 548111314Snyan# 549111314Snyandevice isic 550111314Snyan# 551111314Snyan# PCI bus Cards: 552111314Snyan# -------------- 553111314Snyan# 554111314Snyan# ELSA MicroLink ISDN/PCI (same as ELSA QuickStep 1000pro PCI) 555111314Snyanoptions ELSA_QS1PCI 556111314Snyan# 557111314Snyan#--------------------------------------------------------------------------- 558111314Snyan# ifpnp driver for AVM Fritz!Card PnP 559111314Snyan# 560111314Snyan# AVM Fritz!Card PnP 561126708Snyandevice ifpnp 562111314Snyan# 563111314Snyan#--------------------------------------------------------------------------- 564111314Snyan# ihfc driver for Cologne Chip ISA chipsets (experimental!) 565111314Snyan# 566111314Snyan# Teles 16.3c ISA PnP 567111314Snyan# AcerISDN P10 ISA PnP 568111314Snyan# TELEINT ISDN SPEED No.1 569126708Snyandevice ihfc 570111314Snyan# 571111314Snyan#--------------------------------------------------------------------------- 572111314Snyan# ifpi driver for AVM Fritz!Card PCI 573111314Snyan# 574111314Snyan# AVM Fritz!Card PCI 575126708Snyandevice ifpi 576111314Snyan# 577111314Snyan#--------------------------------------------------------------------------- 578111314Snyan# ifpi2 driver for AVM Fritz!Card PCI version 2 579111314Snyan# 580111314Snyan# AVM Fritz!Card PCI version 2 581134634Srudevice ifpi2 582111314Snyan# 583111314Snyan#--------------------------------------------------------------------------- 584111314Snyan# iwic driver for Winbond W6692 chipset 585111314Snyan# 586111314Snyan# ASUSCOM P-IN100-ST-D (and other Winbond W6692 based cards) 587126708Snyandevice iwic 588111314Snyan# 589111314Snyan#--------------------------------------------------------------------------- 590125234Snyan# itjc driver for Siemens ISAC / TJNet Tiger300/320 chipset 591111314Snyan# 592111314Snyan# Traverse Technologies NETjet-S 593111314Snyan# Teles PCI-TJ 594126708Snyandevice itjc 595111314Snyan# 596111314Snyan#--------------------------------------------------------------------------- 597111314Snyan# iavc driver (AVM active cards, needs i4bcapi driver!) 598111314Snyan# 599126708Snyandevice iavc 600111314Snyan# 601111314Snyan#--------------------------------------------------------------------------- 602111314Snyan# ISDN Protocol Stack - mandatory for all hardware drivers 603111314Snyan# 604111314Snyan# Q.921 / layer 2 - i4b passive cards D channel handling 605134634Srudevice i4bq921 606111314Snyan# 607111314Snyan# Q.931 / layer 3 - i4b passive cards D channel handling 608134634Srudevice i4bq931 609111314Snyan# 610111314Snyan# layer 4 - i4b common passive and active card handling 611134634Srudevice i4b 612111314Snyan# 613111314Snyan#--------------------------------------------------------------------------- 614111314Snyan# ISDN devices - mandatory for all hardware drivers 615111314Snyan# 616111314Snyan# userland driver to do ISDN tracing (for passive cards only) 617134634Srudevice i4btrc 618142783Snyanoptions NI4BTRC=4 619111314Snyan# 620111314Snyan# userland driver to control the whole thing 621134634Srudevice i4bctl 622111314Snyan# 623111314Snyan#--------------------------------------------------------------------------- 624111314Snyan# ISDN devices - optional 625111314Snyan# 626111314Snyan# userland driver for access to raw B channel 627134634Srudevice i4brbch 628142783Snyanoptions NI4BRBCH=4 629111314Snyan# 630111314Snyan# userland driver for telephony 631134634Srudevice i4btel 632134634Sruoptions NI4BTEL=2 633111314Snyan# 634171196Sbz#XXXBZ# IPR and ISPPP are not usable until I4B is locked. 635111314Snyan# network driver for IP over raw HDLC ISDN 636171196Sbz#XXXBZ#device i4bipr 637171196Sbz#XXXBZ#options NI4BIPR=4 638111314Snyan# enable VJ header compression detection for ipr i/f 639171196Sbz#XXXBZ#options IPR_VJ 640111314Snyan# enable logging of the first n IP packets to isdnd (n=32 here) 641171196Sbz#XXXBZ#options IPR_LOG=32 642111314Snyan# 643111314Snyan# network driver for sync PPP over ISDN; requires an equivalent 644111314Snyan# number of sppp device to be configured 645171196Sbz#XXXBZ#device i4bisppp 646171196Sbz#XXXBZ#options NI4BISPPP=4 647111314Snyan# 648111314Snyan# B-channel interface to the netgraph subsystem 649171196Sbz#XXXBZ#device i4bing 650171196Sbz#XXXBZ#options NI4BING=2 651111314Snyan# 652111314Snyan# CAPI driver needed for active ISDN cards (see iavc driver above) 653134634Srudevice i4bcapi 654111314Snyan# 655111314Snyan#--------------------------------------------------------------------------- 656111314Snyan 657111314Snyan# 658111314Snyan# Set the number of PV entries per process. Increasing this can 659124795Snyan# stop panics related to heavy use of shared memory. However, that can 660111314Snyan# (combined with large amounts of physical memory) cause panics at 661111314Snyan# boot time due the kernel running out of VM space. 662111314Snyan# 663111314Snyan# If you're tweaking this, you might also want to increase the sysctls 664111314Snyan# "vm.v_free_min", "vm.v_free_reserved", and "vm.v_free_target". 665111314Snyan# 666111314Snyan# The value below is the one more than the default. 667111314Snyan# 668111314Snyanoptions PMAP_SHPGPERPROC=201 669111314Snyan 670111314Snyan# 671111314Snyan# Change the size of the kernel virtual address space. Due to 672111314Snyan# constraints in loader(8) on i386, this must be a multiple of 4. 673111314Snyan# 256 = 1 GB of kernel address space. Increasing this also causes 674111314Snyan# a reduction of the address space in user processes. 512 splits 675111314Snyan# the 4GB cpu address space in half (2GB user, 2GB kernel). 676111314Snyan# 677111314Snyanoptions KVA_PAGES=260 678111314Snyan 679111314Snyan 680111314Snyan##################################################################### 681111314Snyan# ABI Emulation 682111314Snyan 683111314Snyan# Enable iBCS2 runtime support for SCO and ISC binaries 684111314Snyanoptions IBCS2 685111314Snyan 686111314Snyan# Emulate spx device for client side of SVR3 local X interface 687111314Snyanoptions SPX_HACK 688111314Snyan 689111314Snyan# Enable Linux ABI emulation 690111314Snyanoptions COMPAT_LINUX 691111314Snyan 692111314Snyan# Enable i386 a.out binary support 693111314Snyanoptions COMPAT_AOUT 694111314Snyan 695111314Snyan# Enable the linux-like proc filesystem support (requires COMPAT_LINUX 696111314Snyan# and PSEUDOFS) 697111314Snyanoptions LINPROCFS 698111314Snyan 699158381Sambrisko# Enable the linux-like sys filesystem support (requires COMPAT_LINUX 700158381Sambrisko# and PSEUDOFS) 701158381Sambriskooptions LINSYSFS 702158381Sambrisko 703111314Snyan# 704111314Snyan# SysVR4 ABI emulation 705111314Snyan# 706111314Snyan# The svr4 ABI emulator can be statically compiled into the kernel or loaded as 707125234Snyan# a KLD module. 708125234Snyan# The STREAMS network emulation code can also be compiled statically or as a 709111314Snyan# module. If loaded as a module, it must be loaded before the svr4 module 710111314Snyan# (the /usr/sbin/svr4 script does this for you). If compiling statically, 711111314Snyan# the `streams' device must be configured into any kernel which also 712125234Snyan# specifies COMPAT_SVR4. It is possible to have a statically-configured 713111314Snyan# STREAMS device and a dynamically loadable svr4 emulator; the /usr/sbin/svr4 714111314Snyan# script understands that it doesn't need to load the `streams' module under 715111314Snyan# those circumstances. 716111314Snyan# Caveat: At this time, `options KTRACE' is required for the svr4 emulator 717125234Snyan# (whether static or dynamic). 718125234Snyan# 719111314Snyanoptions COMPAT_SVR4 # build emulator statically 720111314Snyanoptions DEBUG_SVR4 # enable verbose debugging 721111314Snyandevice streams # STREAMS network driver (required for svr4). 722111314Snyan 723111314Snyan 724111314Snyan##################################################################### 725111314Snyan# VM OPTIONS 726111314Snyan 727111314Snyan# Disable the 4 MByte page PSE CPU feature. The PSE feature allows the 728130596Snyan# kernel to use 4 MByte pages to map the kernel instead of 4k pages. 729111314Snyan# This saves on the amount of memory needed for page tables needed to 730111314Snyan# map the kernel. You should only disable this feature as a temporary 731111314Snyan# workaround if you are having problems with it enabled. 732111314Snyan# 733111314Snyan#options DISABLE_PSE 734111314Snyan 735111314Snyan# Disable the global pages PGE CPU feature. The PGE feature allows pages 736111314Snyan# to be marked with the PG_G bit. TLB entries for these pages are not 737111314Snyan# flushed from the cache when %cr3 is reloaded. This can make context 738111314Snyan# switches less expensive. You should only disable this feature as a 739111314Snyan# temporary workaround if you are having problems with it enabled. 740111314Snyan# 741111314Snyan#options DISABLE_PG_G 742111314Snyan 743111314Snyan# KSTACK_PAGES is the number of memory pages to assign to the kernel 744111314Snyan# stack of each thread. 745111314Snyan 746111314Snyanoptions KSTACK_PAGES=3 747111314Snyan 748111314Snyan##################################################################### 749111314Snyan 750111314Snyan# More undocumented options for linting. 751111314Snyan# Note that documenting these are not considered an affront. 752111314Snyan 753111314Snyanoptions FB_INSTALL_CDEV # install a CDEV entry in /dev 754111314Snyan 755111314Snyan# PECOFF module (Win32 Execution Format) 756111314Snyanoptions PECOFF_SUPPORT 757111314Snyanoptions PECOFF_DEBUG 758111314Snyan 759111314Snyanoptions I4B_SMP_WORKAROUND 760111314Snyanoptions I586_PMC_GUPROF=0x70000 761111314Snyanoptions KBDIO_DEBUG=2 762111314Snyanoptions KBD_MAXRETRY=4 763111314Snyanoptions KBD_MAXWAIT=6 764111314Snyanoptions KBD_RESETDELAY=201 765111314Snyan 766111314Snyanoptions TIMER_FREQ=((14318182+6)/12) 767111314Snyan 768111314Snyanoptions VM_KMEM_SIZE 769111314Snyanoptions VM_KMEM_SIZE_MAX 770111314Snyanoptions VM_KMEM_SIZE_SCALE 771111314Snyan 772111500Sobrien 773111500Sobrien##################################################################### 774111500Sobrien# Devices we don't want to deal with 775111500Sobrien 776116382Snyannodevice bt 777116382Snyannodevice adw 778111500Sobriennodevice aha 779116382Snyannodevice ahb 780116382Snyannodevice ahd 781116382Snyannodevice mpt 782116382Snyannodevice trm 783111500Sobriennodevice wds 784111500Sobriennodevice dpt 785111500Sobriennodevice ciss 786111500Sobriennodevice iir 787111500Sobriennodevice mly 788111500Sobriennodevice ida # Compaq Smart RAID 789111500Sobriennodevice mlx # Mylex DAC960 790111500Sobriennodevice amr # AMI MegaRAID 791111500Sobriennodevice twe # 3ware ATA RAID 792125086Snyannodevice ataraid 793116382Snyannodevice cm 794116382Snyannodevice ex 795116382Snyannodevice fea 796116382Snyannodevice intpm 797116382Snyannodevice alpm 798116382Snyannodevice ichsmb 799116382Snyannodevice viapm 800116382Snyannodevice amdpm 801153643Snyannodevice amdsmb 802116382Snyannodevice nfpm 803153643Snyannodevice nfsmb 804111582Sru 805111582Sru 806111582Sru##################################################################### 807111582Sru# Options we don't want to deal with 808111582Sru 809116382Snyannooption AHD_DEBUG 810116382Snyannooption AHD_DEBUG_OPTS 811116382Snyannooption AHD_REG_PRETTY_PRINT 812116382Snyannooption ADW_ALLOW_MEMIO 813111582Srunooption DPT_LOST_IRQ 814111582Srunooption DPT_RESET_HBA 815111582Srunooption DPT_TIMEOUT_FACTOR 816116382Snyannooption AAC_DEBUG 817111582Sru 818111582Sru 819111582Sru##################################################################### 820111582Sru# Make options we don't want to deal with 821