NOTES revision 182912
1123992Ssobomax# 2103026Ssobomax# NOTES -- Lines that can be cut/pasted into kernel and hints configs. 3103026Ssobomax# 4103026Ssobomax# This file contains machine dependent kernel configuration notes. For 5103026Ssobomax# machine independent notes, look in /sys/conf/NOTES. 6103026Ssobomax# 7103026Ssobomax# $FreeBSD: head/sys/pc98/conf/NOTES 182912 2008-09-10 18:36:58Z jhb $ 8103026Ssobomax# 9103026Ssobomax 10103026Ssobomax# 11103026Ssobomax# We want LINT to cover profiling as well. 12103026Ssobomaxprofile 2 13103026Ssobomax 14103026Ssobomax 15103026Ssobomax##################################################################### 16103026Ssobomax# SMP OPTIONS: 17103026Ssobomax# 18103026Ssobomax# The apic device enables the use of the I/O APIC for interrupt delivery. 19103026Ssobomax# The apic device can be used in both UP and SMP kernels, but is required 20103026Ssobomax# for SMP kernels. Thus, the apic device is not strictly an SMP option, 21103026Ssobomax# but it is a prerequisite for SMP. 22103026Ssobomax# 23103026Ssobomax 24103026Ssobomax# Mandatory: 25103026Ssobomaxdevice apic # I/O apic 26103026Ssobomax 27103026Ssobomax# 28103026Ssobomax# Watchdog routines. 29103026Ssobomax# 30103026Ssobomaxoptions MP_WATCHDOG 31103026Ssobomax 32103026Ssobomax# Debugging options. 33103026Ssobomax# 34103026Ssobomaxoptions STOP_NMI # Stop CPUS using NMI instead of IPI 35103026Ssobomax 36103026Ssobomax 37103026Ssobomax 38103026Ssobomax##################################################################### 39103026Ssobomax# CPU OPTIONS 40103026Ssobomax 41103026Ssobomax# 42103026Ssobomax# You must specify at least one CPU (the one you intend to run on); 43103026Ssobomax# deleting the specification for CPUs you don't need to use may make 44103026Ssobomax# parts of the system run faster. 45103026Ssobomax# 46103026Ssobomaxcpu I486_CPU 47103026Ssobomaxcpu I586_CPU # aka Pentium(tm) 48103026Ssobomaxcpu I686_CPU # aka Pentium Pro(tm) 49103394Sbde 50103026Ssobomax# 51122699Sbms# Options for CPU features. 52103026Ssobomax# 53103026Ssobomax# CPU_BLUELIGHTNING_3X enables triple-clock mode on IBM Blue Lightning 54103026Ssobomax# CPU if CPU supports it. The default is double-clock mode on 55103026Ssobomax# BlueLightning CPU box. 56129880Sphk# 57103026Ssobomax# CPU_BLUELIGHTNING_FPU_OP_CACHE enables FPU operand cache on IBM 58103026Ssobomax# BlueLightning CPU. It works only with Cyrix FPU, and this option 59103026Ssobomax# should not be used with Intel FPU. 60103026Ssobomax# 61103026Ssobomax# CPU_BTB_EN enables branch target buffer on Cyrix 5x86 (NOTE 1). 62103344Sbde# 63103026Ssobomax# CPU_CYRIX_NO_LOCK enables weak locking for the entire address space 64103026Ssobomax# of Cyrix 6x86 and 6x86MX CPUs by setting the NO_LOCK bit of CCR1. 65103026Ssobomax# Otherwise, the NO_LOCK bit of CCR1 is cleared. (NOTE 3) 66130933Sbrooks# 67103026Ssobomax# CPU_DIRECT_MAPPED_CACHE sets L1 cache of Cyrix 486DLC CPU in direct 68103026Ssobomax# mapped mode. Default is 2-way set associative mode. 69103026Ssobomax# 70103026Ssobomax# CPU_DISABLE_5X86_LSSER disables load store serialize (i.e., enables 71103026Ssobomax# reorder). This option should not be used if you use memory mapped 72103026Ssobomax# I/O device(s). 73103026Ssobomax# 74103026Ssobomax# CPU_DISABLE_CMPXCHG disables the CMPXCHG instruction on > i386 IA32 75103026Ssobomax# machines. VmWare 3.x seems to emulate this instruction poorly, causing 76103026Ssobomax# the guest OS to run very slowly. This problem appears to be fixed in 77103026Ssobomax# VmWare 4.x, at least in version 4.5.2, so that enabling this option with 78103026Ssobomax# VmWare 4.x will result in locking operations to be 20-30 times slower. 79103026Ssobomax# Enabling this with an SMP kernel will cause the kernel to be unusable. 80103026Ssobomax# 81103026Ssobomax# CPU_DISABLE_SSE explicitly prevents I686_CPU from turning on SSE. 82103026Ssobomax# 83103026Ssobomax# CPU_FASTER_5X86_FPU enables faster FPU exception handler. 84103026Ssobomax# 85103026Ssobomax# CPU_I486_ON_386 enables CPU cache on i486 based CPU upgrade products 86103026Ssobomax# for i386 machines. 87103026Ssobomax# 88103026Ssobomax# CPU_IORT defines I/O clock delay time (NOTE 1). Default values of 89103026Ssobomax# I/O clock delay time on Cyrix 5x86 and 6x86 are 0 and 7,respectively 90103026Ssobomax# (no clock delay). 91103026Ssobomax# 92103026Ssobomax# CPU_L2_LATENCY specifies the L2 cache latency value. This option is used 93103026Ssobomax# only when CPU_PPRO2CELERON is defined and Mendocino Celeron is detected. 94103026Ssobomax# The default value is 5. 95103026Ssobomax# 96127307Srwatson# CPU_LOOP_EN prevents flushing the prefetch buffer if the destination 97127307Srwatson# of a jump is already present in the prefetch buffer on Cyrix 5x86(NOTE 98127307Srwatson# 1). 99127307Srwatson# 100127307Srwatson# CPU_PPRO2CELERON enables L2 cache of Mendocino Celeron CPUs. This option 101103026Ssobomax# is useful when you use Socket 8 to Socket 370 converter, because most Pentium 102103026Ssobomax# Pro BIOSs do not enable L2 cache of Mendocino Celeron CPUs. 103103026Ssobomax# 104103026Ssobomax# CPU_RSTK_EN enables return stack on Cyrix 5x86 (NOTE 1). 105105300Salfred# 106105300Salfred# CPU_SUSP_HLT enables suspend on HALT. If this option is set, CPU 107103032Ssobomax# enters suspend mode following execution of HALT instruction. 108103032Ssobomax# 109103032Ssobomax# CPU_UPGRADE_HW_CACHE eliminates unneeded cache flush instruction(s). 110103026Ssobomax# 111130933Sbrooks# CPU_WT_ALLOC enables write allocation on Cyrix 6x86/6x86MX and AMD 112103026Ssobomax# K5/K6/K6-2 CPUs. 113103032Ssobomax# 114103026Ssobomax# CYRIX_CACHE_WORKS enables CPU cache on Cyrix 486 CPUs with cache 115105300Salfred# flush at hold state. 116103026Ssobomax# 117103026Ssobomax# CYRIX_CACHE_REALLY_WORKS enables (1) CPU cache on Cyrix 486 CPUs 118103026Ssobomax# without cache flush at hold state, and (2) write-back CPU cache on 119103026Ssobomax# Cyrix 6x86 whose revision < 2.7 (NOTE 2). 120103026Ssobomax# 121103026Ssobomax# NO_F00F_HACK disables the hack that prevents Pentiums (and ONLY 122103026Ssobomax# Pentiums) from locking up when a LOCK CMPXCHG8B instruction is 123103026Ssobomax# executed. This option is only needed if I586_CPU is also defined, 124103026Ssobomax# and should be included for any non-Pentium CPU that defines it. 125103026Ssobomax# 126103026Ssobomax# NO_MEMORY_HOLE is an optimisation for systems with AMD K6 processors 127103026Ssobomax# which indicates that the 15-16MB range is *definitely* not being 128103026Ssobomax# occupied by an ISA memory hole. 129103026Ssobomax# 130103026Ssobomax# NOTE 1: The options, CPU_BTB_EN, CPU_LOOP_EN, CPU_IORT, 131103026Ssobomax# CPU_LOOP_EN and CPU_RSTK_EN should not be used because of CPU bugs. 132103026Ssobomax# These options may crash your system. 133103026Ssobomax# 134103026Ssobomax# NOTE 2: If CYRIX_CACHE_REALLY_WORKS is not set, CPU cache is enabled 135103026Ssobomax# in write-through mode when revision < 2.7. If revision of Cyrix 136123338Sbms# 6x86 >= 2.7, CPU cache is always enabled in write-back mode. 137103026Ssobomax# 138103026Ssobomax# NOTE 3: This option may cause failures for software that requires 139103026Ssobomax# locked cycles in order to operate correctly. 140103026Ssobomax# 141103026Ssobomaxoptions CPU_BLUELIGHTNING_3X 142103026Ssobomaxoptions CPU_BLUELIGHTNING_FPU_OP_CACHE 143103026Ssobomaxoptions CPU_BTB_EN 144103026Ssobomaxoptions CPU_DIRECT_MAPPED_CACHE 145103026Ssobomaxoptions CPU_DISABLE_5X86_LSSER 146103026Ssobomaxoptions CPU_DISABLE_CMPXCHG 147103026Ssobomax#options CPU_DISABLE_SSE 148103026Ssobomaxoptions CPU_FASTER_5X86_FPU 149103026Ssobomaxoptions CPU_I486_ON_386 150103026Ssobomaxoptions CPU_IORT 151103026Ssobomaxoptions CPU_L2_LATENCY=5 152103026Ssobomaxoptions CPU_LOOP_EN 153103026Ssobomaxoptions CPU_PPRO2CELERON 154103032Ssobomaxoptions CPU_RSTK_EN 155103026Ssobomaxoptions CPU_SUSP_HLT 156103026Ssobomaxoptions CPU_UPGRADE_HW_CACHE 157103026Ssobomaxoptions CPU_WT_ALLOC 158127307Srwatsonoptions CYRIX_CACHE_WORKS 159103026Ssobomaxoptions CYRIX_CACHE_REALLY_WORKS 160103026Ssobomax#options NO_F00F_HACK 161103026Ssobomax 162103026Ssobomax# Debug options 163103032Ssobomaxoptions NPX_DEBUG # enable npx debugging 164103026Ssobomax 165103026Ssobomax# 166103026Ssobomax# PERFMON causes the driver for Pentium/Pentium Pro performance counters 167103026Ssobomax# to be compiled. See perfmon(4) for more information. 168103026Ssobomax# 169103026Ssobomaxoptions PERFMON 170131673Sbms 171103026Ssobomax 172121816Sbrooks##################################################################### 173103026Ssobomax# NETWORKING OPTIONS 174103026Ssobomax 175123338Sbms# 176103026Ssobomax# DEVICE_POLLING adds support for mixed interrupt-polling handling 177103026Ssobomax# of network device drivers, which has significant benefits in terms 178103026Ssobomax# of robustness to overloads and responsivity, as well as permitting 179103026Ssobomax# accurate scheduling of the CPU time between kernel network processing 180103026Ssobomax# and other activities. The drawback is a moderate (up to 1/HZ seconds) 181103026Ssobomax# potential increase in response times. 182103026Ssobomax# It is strongly recommended to use HZ=1000 or 2000 with DEVICE_POLLING 183103026Ssobomax# to achieve smoother behaviour. 184103026Ssobomax# Additionally, you can enable/disable polling at runtime with help of 185103026Ssobomax# the ifconfig(8) utility, and select the CPU fraction reserved to 186103026Ssobomax# userland with the sysctl variable kern.polling.user_frac 187125024Ssobomax# (default 50, range 0..100). 188103026Ssobomax# 189103026Ssobomax# Not all device drivers support this mode of operation at the time of 190127307Srwatson# this writing. See polling(4) for more details. 191103026Ssobomax 192127307Srwatsonoptions DEVICE_POLLING 193103026Ssobomax 194103026Ssobomax# BPF_JITTER adds support for BPF just-in-time compiler. 195103026Ssobomax 196103032Ssobomaxoptions BPF_JITTER 197127307Srwatson 198103026Ssobomax 199103026Ssobomax##################################################################### 200103026Ssobomax# MISCELLANEOUS DEVICES AND OPTIONS 201103026Ssobomax 202103026Ssobomax# 203103026Ssobomax# sio: serial ports (see sio(4)), including support for various 204127307Srwatson# PC Card devices, such as Modem and NICs 205127307Srwatson# 206103026Ssobomax#device sio 207103026Ssobomaxhint.sio.0.at="isa" 208103026Ssobomaxhint.sio.0.port="0x3F8" 209127307Srwatsonhint.sio.0.flags="0x10" 210127307Srwatsonhint.sio.0.irq="4" 211127307Srwatson 212127307Srwatson# `flags' specific to sio(4). 213127307Srwatson# 0x10 enable console support for this unit. Other console flags 214127307Srwatson# (if applicable) are ignored unless this is set. Enabling 215127307Srwatson# console support does not make the unit the preferred console. 216127307Srwatson# Boot with -h or set boot_serial=YES in the loader. For sio(4) 217127307Srwatson# specifically, the 0x20 flag can also be set (see above). 218127307Srwatson# Currently, at most one unit can have console support; the 219127307Srwatson# first one (in config file order) with this flag set is 220127307Srwatson# preferred. Setting this flag for sio0 gives the old behaviour. 221103026Ssobomax# 0x20 force this unit to be the console (unless there is another 222103026Ssobomax# higher priority console). This replaces the COMCONSOLE option. 223103026Ssobomax# 0x40 reserve this unit for low level console operations. Do not 224103026Ssobomax# access the device in any normal way. 225103032Ssobomax# 0x80 use this port for serial line gdb support in ddb. Also known 226103026Ssobomax# as debug port. 227103026Ssobomax# PnP `flags' 228103026Ssobomax# 0x1 disable probing of this device. Used to prevent your modem 229103026Ssobomax# from being attached as a PnP modem. 230103026Ssobomax# Other flags for sio that aren't documented in the man page. 231103026Ssobomax# 0x20000 enable hardware RTS/CTS and larger FIFOs. Only works for 232103026Ssobomax# ST16650A-compatible UARTs. 233123992Ssobomax 234103026Ssobomax# Options for sio: 235103026Ssobomaxoptions COM_ESP # Code for Hayes ESP. 236103026Ssobomaxoptions COM_MULTIPORT # Code for some cards with shared IRQs. 237103026Ssobomaxoptions CONSPEED=115200 # Speed for serial console 238103026Ssobomax # (default 9600). 239103026Ssobomax 240103026Ssobomaxdevice speaker #Play IBM BASIC-style noises out your speaker 241103026Ssobomaxhint.speaker.0.at="isa" 242103026Ssobomaxhint.speaker.0.port="0x35" 243103026Ssobomaxdevice gzip #Exec gzipped a.out's. REQUIRES COMPAT_AOUT! 244103026Ssobomaxdevice apm_saver # Requires APM 245103026Ssobomax 246103026Ssobomax 247103026Ssobomax##################################################################### 248103026Ssobomax# HARDWARE BUS CONFIGURATION 249103026Ssobomax 250103026Ssobomax# 251103026Ssobomax# ISA bus 252103026Ssobomax# 253103026Ssobomaxdevice isa 254103026Ssobomax 255103026Ssobomax# 256103026Ssobomax# Options for `isa': 257103026Ssobomax# 258103026Ssobomax# AUTO_EOI_1 enables the `automatic EOI' feature for the master 8259A 259103026Ssobomax# interrupt controller. This saves about 0.7-1.25 usec for each interrupt. 260123922Ssam# This option breaks suspend/resume on some portables. 261103026Ssobomax# 262103026Ssobomax# MAXMEM specifies the amount of RAM on the machine; if this is not 263103026Ssobomax# specified, FreeBSD will first read the amount of memory from the CMOS 264103026Ssobomax# RAM, so the amount of memory will initially be limited to 64MB or 16MB 265103026Ssobomax# depending on the BIOS. If the BIOS reports 64MB, a memory probe will 266103026Ssobomax# then attempt to detect the installed amount of RAM. If this probe 267103026Ssobomax# fails to detect >64MB RAM you will have to use the MAXMEM option. 268103026Ssobomax# The amount is in kilobytes, so for a machine with 128MB of RAM, it would 269103026Ssobomax# be 131072 (128 * 1024). 270103026Ssobomax# 271103026Ssobomax# BROKEN_KEYBOARD_RESET disables the use of the keyboard controller to 272103026Ssobomax# reset the CPU for reboot. This is needed on some systems with broken 273103026Ssobomax# keyboard controllers. 274103026Ssobomax 275103026Ssobomaxoptions AUTO_EOI_1 276103026Ssobomax 277103026Ssobomaxoptions MAXMEM=(128*1024) 278103026Ssobomax#options BROKEN_KEYBOARD_RESET 279103026Ssobomaxoptions EPSON_BOUNCEDMA 280103026Ssobomaxoptions EPSON_MEMWIN 281103026Ssobomax 282103026Ssobomax# 283103026Ssobomax# PCI bus & PCI options: 284103026Ssobomax# 285103026Ssobomaxdevice pci 286103026Ssobomax 287103026Ssobomax# 288103026Ssobomax# AGP GART support 289103026Ssobomaxdevice agp 290103026Ssobomax 291103026Ssobomax 292103026Ssobomax##################################################################### 293103026Ssobomax# HARDWARE DEVICE CONFIGURATION 294103026Ssobomax 295103026Ssobomax# PC98 keyboard 296103026Ssobomaxdevice pckbd 297103026Ssobomaxhint.pckbd.0.at="isa" 298103026Ssobomaxhint.pckbd.0.port="0x041" 299103026Ssobomaxhint.pckbd.0.irq="1" 300103026Ssobomax 301123992Ssobomax# GDC screen 302103026Ssobomaxdevice gdc 303103026Ssobomaxhint.gdc.0.at="isa" 304103026Ssobomaxoptions LINE30 305111119Simp 306103026Ssobomax# 307103026Ssobomax# The Numeric Processing eXtension driver. This is non-optional. 308103026Ssobomaxdevice npx 309103026Ssobomax 310103026Ssobomax# 311103026Ssobomax# `flags' for npx0: 312103026Ssobomax# 0x01 don't use the npx registers to optimize bcopy. 313103026Ssobomax# 0x02 don't use the npx registers to optimize bzero. 314103026Ssobomax# 0x04 don't use the npx registers to optimize copyin or copyout. 315103026Ssobomax# The npx registers are normally used to optimize copying and zeroing when 316103026Ssobomax# all of the following conditions are satisfied: 317103026Ssobomax# I586_CPU is an option 318103026Ssobomax# the cpu is an i586 (perhaps not a Pentium) 319103026Ssobomax# the probe for npx0 succeeds 320103026Ssobomax# INT 16 exception handling works. 321103026Ssobomax# Then copying and zeroing using the npx registers is normally 30-100% faster. 322103026Ssobomax# The flags can be used to control cases where it doesn't work or is slower. 323103026Ssobomax# Setting them at boot time using hints works right (the optimizations 324103026Ssobomax# are not used until later in the bootstrap when npx0 is attached). 325103026Ssobomax# Flag 0x08 automatically disables the i586 optimized routines. 326103026Ssobomax# 327103026Ssobomax 328103026Ssobomax# 329103026Ssobomax# Optional devices: 330103026Ssobomax# 331103026Ssobomax 332103026Ssobomax# 3Dfx Voodoo Graphics, Voodoo II /dev/3dfx CDEV support. This will create 333103026Ssobomax# the /dev/3dfx0 device to work with glide implementations. This should get 334103026Ssobomax# linked to /dev/3dfx and /dev/voodoo. Note that this is not the same as 335103026Ssobomax# the tdfx DRI module from XFree86 and is completely unrelated. 336103026Ssobomax# 337103026Ssobomax# To enable Linuxulator support, one must also include COMPAT_LINUX in the 338103026Ssobomax# config as well. The other option is to load both as modules. 339103026Ssobomax 340103026Ssobomaxdevice tdfx # Enable 3Dfx Voodoo support 341103026Ssobomaxdevice tdfx_linux # Enable Linuxulator support 342103026Ssobomax 343103026Ssobomax# Direct Rendering modules for 3D acceleration. 344103026Ssobomaxdevice drm # DRM core module required by DRM drivers 345103026Ssobomaxdevice mach64drm # ATI Rage Pro, Rage Mobility P/M, Rage XL 346103026Ssobomaxdevice mgadrm # AGP Matrox G200, G400, G450, G550 347103026Ssobomaxdevice r128drm # ATI Rage 128 348103026Ssobomaxdevice radeondrm # ATI Radeon 349103026Ssobomaxdevice savagedrm # S3 Savage3D, Savage4 350103026Ssobomaxdevice sisdrm # SiS 300/305, 540, 630 351103026Ssobomaxdevice tdfxdrm # 3dfx Voodoo 3/4/5 and Banshee 352103026Ssobomaxoptions DRM_DEBUG # Include debug printfs (slow) 353103026Ssobomax 354111119Simp# 355103026Ssobomax# Bus mouse 356103026Ssobomax# 357103026Ssobomaxdevice mse 358103026Ssobomaxhint.mse.0.at="isa" 359103026Ssobomaxhint.mse.0.port="0x7fd9" 360103026Ssobomaxhint.mse.0.irq="13" 361103026Ssobomax 362128580Sandre# 363103026Ssobomax# Network interfaces: 364103026Ssobomax# 365103026Ssobomax 366103026Ssobomax# ar: Arnet SYNC/570i hdlc sync 2/4 port V.35/X.21 serial driver 367103026Ssobomax# (requires sppp) 368103026Ssobomax# ath: Atheros a/b/g WiFi adapters (requires ath_hal and wlan) 369103026Ssobomax# ce: Cronyx Tau-PCI/32 sync single/dual port G.703/E1 serial adaptor 370103026Ssobomax# with 32 HDLC subchannels (requires sppp (default), or NETGRAPH if 371125226Ssobomax# NETGRAPH_CRONYX is configured) 372103026Ssobomax# cp: Cronyx Tau-PCI sync single/dual/four port 373103026Ssobomax# V.35/RS-232/RS-530/RS-449/X.21/G.703/E1/E3/T3/STS-1 374103026Ssobomax# serial adaptor (requires sppp (default), or NETGRAPH if 375103026Ssobomax# NETGRAPH_CRONYX is configured) 376103026Ssobomax# cs: IBM Etherjet and other Crystal Semi CS89x0-based adapters and pccard 377103026Ssobomax# ed: Western Digital and SMC 80xx; Novell NE1000 and NE2000; 3Com 3C503 378103026Ssobomax# HP PC Lan+, various PC Card devices 379133163Ssobomax# (requires miibus) 380103026Ssobomax# ie: AT&T StarLAN 10 and EN100; 3Com 3C507; unknown NI5210; 381103032Ssobomax# Intel EtherExpress 382103026Ssobomax# ral: Ralink Technology IEEE 802.11 wireless adapter 383103026Ssobomax# sbni: Granch SBNI12-xx ISA and PCI adapters 384125226Ssobomax# sr: RISCom/N2 hdlc sync 1/2 port V.35/X.21 serial driver (requires sppp) 385103026Ssobomax# ural: Ralink Technology RT2500USB IEEE 802.11 wireless adapter 386103026Ssobomax 387103026Ssobomax# Order for ISA/EISA devices is important here 388103026Ssobomax 389128583Sandredevice ar 390128583Sandredevice ce 391128583Sandredevice cp 392128583Sandredevice cs 393128583Sandredevice ed 394128580Sandrehint.ed.0.at="isa" 395123992Ssobomaxhint.ed.0.port="0x280" 396103026Ssobomaxhint.ed.0.irq="5" 397103026Ssobomaxhint.ed.0.maddr="0xd8000" 398103026Ssobomaxdevice ie # Hints only required for Starlan 399103026Ssobomaxhint.ie.2.at="isa" 400103026Ssobomaxhint.ie.2.port="0x300" 401103026Ssobomaxhint.ie.2.irq="5" 402103026Ssobomaxhint.ie.2.maddr="0xd0000" 403103032Ssobomax# Hint for the PC98-only C-NET(98)S C-bus front-end of le(4). 404103026Ssobomaxhint.le.0.at="isa" 405103026Ssobomaxhint.le.0.port="0x03d0" 406103026Ssobomaxhint.le.0.irq="6" 407103026Ssobomaxdevice ral 408103026Ssobomaxdevice sbni 409103026Ssobomaxhint.sbni.0.at="isa" 410103026Ssobomaxhint.sbni.0.port="0x210" 411103026Ssobomaxhint.sbni.0.irq="0xefdead" 412103026Ssobomaxhint.sbni.0.flags="0" 413103026Ssobomaxdevice snc 414103026Ssobomaxhint.snc.0.at="isa" 415103026Ssobomaxhint.snc.0.port="0x888" 416103026Ssobomaxhint.snc.0.irq="6" 417103026Ssobomaxhint.snc.0.maddr="0xc0000" 418103026Ssobomaxdevice sr 419103026Ssobomaxdevice ural 420103026Ssobomax 421103026Ssobomaxdevice ath 422103026Ssobomaxdevice ath_hal # Atheros HAL (includes binary component) 423125020Ssobomax#device ath_rate_amrr # AMRR rate control for ath driver 424103026Ssobomax#device ath_rate_onoe # Onoe rate control for ath driver 425103026Ssobomaxdevice ath_rate_sample # SampleRate rate control for the ath driver 426103026Ssobomax#device wlan # 802.11 layer 427103026Ssobomax 428103026Ssobomax# 429103026Ssobomax# SCSI host adapters: 430103026Ssobomax# 431103026Ssobomax# ct: WD33C93[ABC] based SCSI host adapters. 432125024Ssobomax# ncv: NCR 53C500 based SCSI host adapters. 433125024Ssobomax# nsp: Workbit Ninja SCSI-3 based PC Card SCSI host adapters. 434125024Ssobomax# stg: TMC 18C30, 18C50 based SCSI host adapters. 435125024Ssobomax 436103026Ssobomaxdevice ct 437103026Ssobomaxhint.ct.0.at="isa" 438103026Ssobomaxdevice ncv 439103026Ssobomaxdevice nsp 440103026Ssobomaxdevice stg 441103026Ssobomax 442103026Ssobomax# 443103026Ssobomax# SafeNet crypto driver: can be moved to the MI NOTES as soon as 444103026Ssobomax# it's tested on a big-endian machine 445103026Ssobomax# 446103026Ssobomaxdevice safe # SafeNet 1141 447103026Ssobomaxoptions SAFE_DEBUG # enable debugging support: hw.safe.debug 448103026Ssobomaxoptions SAFE_RNDTEST # enable rndtest support 449103026Ssobomax 450103026Ssobomax##################################################################### 451103026Ssobomax 452103026Ssobomax# 453103026Ssobomax# Miscellaneous hardware: 454103026Ssobomax# 455103026Ssobomax# apm: Laptop Advanced Power Management (experimental) 456103026Ssobomax# pmtimer: Timer device driver for power management events (APM or ACPI) 457103026Ssobomax 458103026Ssobomax# Notes on APM 459103026Ssobomax# The flags takes the following meaning for apm0: 460103026Ssobomax# 0x0020 Statclock is broken. 461103026Ssobomax 462103026Ssobomaxdevice apm 463103026Ssobomaxhint.apm.0.flags="0x20" 464103026Ssobomaxdevice canbus 465103026Ssobomaxdevice canbepm 466103026Ssobomaxdevice olpt 467103026Ssobomaxhint.olpt.0.at="isa" 468103026Ssobomaxhint.olpt.0.port="0x040" 469103026Ssobomaxdevice pmc 470103026Ssobomaxhint.pmc.0.at="isa" 471103026Ssobomaxhint.pmc.0.port="0x8f0" 472103026Ssobomaxdevice pmtimer # Adjust system timer at wakeup time 473103026Ssobomax 474103026Ssobomax# 475103026Ssobomax# Laptop/Notebook options: 476103026Ssobomax# 477103026Ssobomax# See also: 478103026Ssobomax# apm under `Miscellaneous hardware' 479103026Ssobomax# above. 480103026Ssobomax 481103026Ssobomax# For older notebooks that signal a powerfail condition (external 482103026Ssobomax# power supply dropped, or battery state low) by issuing an NMI: 483103026Ssobomax 484103026Ssobomaxoptions POWERFAIL_NMI # make it beep instead of panicing 485103026Ssobomax 486103026Ssobomax# 487103026Ssobomax# Set the number of PV entries per process. Increasing this can 488103026Ssobomax# stop panics related to heavy use of shared memory. However, that can 489103026Ssobomax# (combined with large amounts of physical memory) cause panics at 490103026Ssobomax# boot time due the kernel running out of VM space. 491103026Ssobomax# 492103026Ssobomax# If you're tweaking this, you might also want to increase the sysctls 493103026Ssobomax# "vm.v_free_min", "vm.v_free_reserved", and "vm.v_free_target". 494103026Ssobomax# 495103026Ssobomax# The value below is the one more than the default. 496103026Ssobomax# 497103026Ssobomaxoptions PMAP_SHPGPERPROC=201 498103026Ssobomax 499103026Ssobomax# 500103026Ssobomax# Change the size of the kernel virtual address space. Due to 501103026Ssobomax# constraints in loader(8) on i386, this must be a multiple of 4. 502103026Ssobomax# 256 = 1 GB of kernel address space. Increasing this also causes 503103026Ssobomax# a reduction of the address space in user processes. 512 splits 504103026Ssobomax# the 4GB cpu address space in half (2GB user, 2GB kernel). 505103026Ssobomax# 506103026Ssobomaxoptions KVA_PAGES=260 507103026Ssobomax 508103026Ssobomax 509103026Ssobomax##################################################################### 510103026Ssobomax# ABI Emulation 511103026Ssobomax 512103026Ssobomax# Enable iBCS2 runtime support for SCO and ISC binaries 513103026Ssobomaxoptions IBCS2 514103026Ssobomax 515103026Ssobomax# Emulate spx device for client side of SVR3 local X interface 516103026Ssobomaxoptions SPX_HACK 517103026Ssobomax 518125020Ssobomax# Enable Linux ABI emulation 519103026Ssobomaxoptions COMPAT_LINUX 520103026Ssobomax 521103026Ssobomax# Enable i386 a.out binary support 522103026Ssobomaxoptions COMPAT_AOUT 523103026Ssobomax 524103026Ssobomax# Enable the linux-like proc filesystem support (requires COMPAT_LINUX 525103026Ssobomax# and PSEUDOFS) 526103026Ssobomaxoptions LINPROCFS 527103026Ssobomax 528103026Ssobomax# Enable the linux-like sys filesystem support (requires COMPAT_LINUX 529103026Ssobomax# and PSEUDOFS) 530103026Ssobomaxoptions LINSYSFS 531103026Ssobomax 532103026Ssobomax# 533103026Ssobomax# SysVR4 ABI emulation 534103026Ssobomax# 535103026Ssobomax# The svr4 ABI emulator can be statically compiled into the kernel or loaded as 536103026Ssobomax# a KLD module. 537103026Ssobomax# The STREAMS network emulation code can also be compiled statically or as a 538103026Ssobomax# module. If loaded as a module, it must be loaded before the svr4 module 539103026Ssobomax# (the /usr/sbin/svr4 script does this for you). If compiling statically, 540103026Ssobomax# the `streams' device must be configured into any kernel which also 541103026Ssobomax# specifies COMPAT_SVR4. It is possible to have a statically-configured 542103026Ssobomax# STREAMS device and a dynamically loadable svr4 emulator; the /usr/sbin/svr4 543103026Ssobomax# script understands that it doesn't need to load the `streams' module under 544103026Ssobomax# those circumstances. 545103026Ssobomax# Caveat: At this time, `options KTRACE' is required for the svr4 emulator 546103026Ssobomax# (whether static or dynamic). 547103026Ssobomax# 548103026Ssobomaxoptions COMPAT_SVR4 # build emulator statically 549103026Ssobomaxoptions DEBUG_SVR4 # enable verbose debugging 550103026Ssobomaxdevice streams # STREAMS network driver (required for svr4). 551103026Ssobomax 552103026Ssobomax 553103026Ssobomax##################################################################### 554103026Ssobomax# VM OPTIONS 555103026Ssobomax 556103026Ssobomax# Disable the 4 MByte page PSE CPU feature. The PSE feature allows the 557103026Ssobomax# kernel to use 4 MByte pages to map the kernel instead of 4k pages. 558103026Ssobomax# This saves on the amount of memory needed for page tables needed to 559103026Ssobomax# map the kernel. You should only disable this feature as a temporary 560103026Ssobomax# workaround if you are having problems with it enabled. 561103026Ssobomax# 562103026Ssobomax#options DISABLE_PSE 563103026Ssobomax 564103026Ssobomax# Disable the global pages PGE CPU feature. The PGE feature allows pages 565103026Ssobomax# to be marked with the PG_G bit. TLB entries for these pages are not 566103026Ssobomax# flushed from the cache when %cr3 is reloaded. This can make context 567103026Ssobomax# switches less expensive. You should only disable this feature as a 568103026Ssobomax# temporary workaround if you are having problems with it enabled. 569103026Ssobomax# 570103026Ssobomax#options DISABLE_PG_G 571103026Ssobomax 572103026Ssobomax# KSTACK_PAGES is the number of memory pages to assign to the kernel 573103026Ssobomax# stack of each thread. 574103026Ssobomax 575103026Ssobomaxoptions KSTACK_PAGES=3 576103026Ssobomax 577103026Ssobomax##################################################################### 578103026Ssobomax 579103026Ssobomax# More undocumented options for linting. 580103026Ssobomax# Note that documenting these are not considered an affront. 581103026Ssobomax 582103026Ssobomaxoptions FB_INSTALL_CDEV # install a CDEV entry in /dev 583103026Ssobomax 584103026Ssobomaxoptions I586_PMC_GUPROF=0x70000 585103026Ssobomaxoptions KBDIO_DEBUG=2 586103026Ssobomaxoptions KBD_MAXRETRY=4 587103026Ssobomaxoptions KBD_MAXWAIT=6 588103026Ssobomaxoptions KBD_RESETDELAY=201 589103026Ssobomax 590103026Ssobomaxoptions TIMER_FREQ=((14318182+6)/12) 591103026Ssobomax 592103026Ssobomaxoptions VM_KMEM_SIZE 593103026Ssobomaxoptions VM_KMEM_SIZE_MAX 594103026Ssobomaxoptions VM_KMEM_SIZE_SCALE 595103026Ssobomax 596103026Ssobomax 597103026Ssobomax##################################################################### 598103026Ssobomax# Devices we don't want to deal with 599103026Ssobomax 600103026Ssobomaxnodevice bt 601103026Ssobomaxnodevice adw 602103026Ssobomaxnodevice aha 603103026Ssobomaxnodevice ahb 604103026Ssobomaxnodevice ahd 605103026Ssobomaxnodevice mpt 606103026Ssobomaxnodevice trm 607122699Sbmsnodevice wds 608122699Sbmsnodevice dpt 609122699Sbmsnodevice ciss 610103026Ssobomaxnodevice iir 611103026Ssobomaxnodevice mly 612103026Ssobomaxnodevice ida # Compaq Smart RAID 613103026Ssobomaxnodevice mlx # Mylex DAC960 614103026Ssobomaxnodevice amr # AMI MegaRAID 615103026Ssobomaxnodevice twe # 3ware ATA RAID 616103026Ssobomaxnodevice ataraid 617103026Ssobomaxnodevice cm 618103026Ssobomaxnodevice ex 619103026Ssobomaxnodevice fea 620103026Ssobomaxnodevice intpm 621122699Sbmsnodevice alpm 622122699Sbmsnodevice ichsmb 623122699Sbmsnodevice viapm 624103026Ssobomaxnodevice amdpm 625103026Ssobomaxnodevice amdsmb 626103026Ssobomaxnodevice nfpm 627103026Ssobomaxnodevice nfsmb 628103026Ssobomax 629103026Ssobomax 630103026Ssobomax##################################################################### 631103026Ssobomax# Options we don't want to deal with 632103026Ssobomax 633103026Ssobomaxnooption AHD_DEBUG 634103026Ssobomaxnooption AHD_DEBUG_OPTS 635103026Ssobomaxnooption AHD_REG_PRETTY_PRINT 636103026Ssobomaxnooption ADW_ALLOW_MEMIO 637103026Ssobomaxnooption DPT_LOST_IRQ 638103026Ssobomaxnooption DPT_RESET_HBA 639103026Ssobomaxnooption DPT_TIMEOUT_FACTOR 640103026Ssobomaxnooption AAC_DEBUG 641103026Ssobomax 642103026Ssobomax 643103026Ssobomax##################################################################### 644103026Ssobomax# Make options we don't want to deal with 645103026Ssobomax