1#
2# NOTES -- Lines that can be cut/pasted into kernel and hints configs.
3#
4# This file contains machine dependent kernel configuration notes. For
5# machine independent notes, look in /sys/conf/NOTES.
6#
7# $FreeBSD: head/sys/amd64/conf/NOTES 125984 2004-02-19 04:39:14Z obrien $
8#
9
10#
11# This directive is mandatory; it defines the architecture to be
12# configured for; in this case, the 386 family based IBM-PC and
13# compatibles.
14#
15machine amd64
16cpu HAMMER
17
18#
19# We want LINT to cover profiling as well
20profile 2
21
22
23# Debug options
24options NPX_DEBUG # enable npx debugging (FPU/math emu)
25 #new math emulator
26
27#
28# PERFMON causes the driver for Pentium/Pentium Pro performance counters
29# to be compiled. See perfmon(4) for more information.
30#
31options PERFMON
32
33
34#####################################################################
35# NETWORKING OPTIONS
36
37#
38# DEVICE_POLLING adds support for mixed interrupt-polling handling
39# of network device drivers, which has significant benefits in terms
--- 20 unchanged lines hidden (view full) ---
60# The following options are used for debugging clock behavior only, and
61# should not be used for production systems.
62#
63# CLK_CALIBRATION_LOOP will run the clock calibration loop at startup
64# until the user presses a key.
65
66options CLK_CALIBRATION_LOOP
67
68
69#####################################################################
70# MISCELLANEOUS DEVICES AND OPTIONS
71
72hint.speaker.0.at="isa"
73hint.speaker.0.port="0x61"
74device gzip #Exec gzipped a.out's. REQUIRES COMPAT_AOUT!
75device apm_saver # Requires APM
76
77
78#####################################################################
79# HARDWARE BUS CONFIGURATION
80
81#
82# ISA bus
83#
--- 20 unchanged lines hidden (view full) ---
104# fails to detect >64MB RAM you will have to use the MAXMEM option.
105# The amount is in kilobytes, so for a machine with 128MB of RAM, it would
106# be 131072 (128 * 1024).
107#
108# BROKEN_KEYBOARD_RESET disables the use of the keyboard controller to
109# reset the CPU for reboot. This is needed on some systems with broken
110# keyboard controllers.
111
112options MAXMEM=(128*1024)
113#options BROKEN_KEYBOARD_RESET
114
115#
116# PCI bus & PCI options:
117#
118device pci
119
--- 8 unchanged lines hidden (view full) ---
128#
129# Mandatory devices:
130#
131
132#
133# Optional devices:
134#
135
136#
137# ACPI support using the Intel ACPI Component Architecture reference
138# implementation.
139#
140# ACPI_DEBUG enables the use of the debug.acpi.level and debug.acpi.layer
141# kernel environment variables to select initial debugging levels for the
142# Intel ACPICA code. (Note that the Intel code must also have USE_DEBUGGER
143# defined when it is built).
144#
145# Note that building ACPI into the kernel is deprecated; the module is
146# normally loaded automatically by the loader.
147#
148device acpi
149options ACPI_DEBUG
150
151# DRM options:
152# mgadrm: AGP Matrox G200, G400, G450, G550
153# tdfxdrm: 3dfx Voodoo 3/4/5 and Banshee
154# r128drm: ATI Rage 128
155# radeondrm: ATI Radeon up to 9000/9100
156# DRM_DEBUG: include debug printfs, very slow
157#
158# mga requires AGP in the kernel, and it is recommended
159# for AGP r128 and radeon cards.
160
161device mgadrm
162device "r128drm"
163device radeondrm
164device tdfxdrm
165
166options DRM_DEBUG
167
168# M-systems DiskOnchip products see src/sys/contrib/dev/fla/README
169###device fla
170###hint.fla.0.at="isa"
171
172#
173# Network interfaces:
174#
175
176# ed: Western Digital and SMC 80xx; Novell NE1000 and NE2000; 3Com 3C503
177# HP PC Lan+, various PC Card devices (refer to etc/defauls/pccard.conf)
178# (requires miibus)
179# ie: AT&T StarLAN 10 and EN100; 3Com 3C507; unknown NI5210;
180# Intel EtherExpress
181# lnc: Lance/PCnet cards (Isolan, Novell NE2100, NE32-VL, AMD Am7990 and
182# Am79C960)
183# sr: RISCom/N2 hdlc sync 1/2 port V.35/X.21 serial driver (requires sppp)
184# wl: Lucent Wavelan (ISA card only).
185
186# Order for ISA/EISA devices is important here
187
188device ed
189#options ED_NO_MIIBUS # Disable ed miibus support
190hint.ed.0.at="isa"
191hint.ed.0.port="0x280"
192hint.ed.0.irq="5"
193hint.ed.0.maddr="0xd8000"
194device lnc
195hint.lnc.0.at="isa"
196hint.lnc.0.port="0x280"
197hint.lnc.0.irq="10"
198hint.lnc.0.drq="0"
199device sr
200hint.sr.0.at="isa"
201hint.sr.0.port="0x300"
202hint.sr.0.irq="5"
203hint.sr.0.maddr="0xd0000"
204device wl
205hint.wl.0.at="isa"
206hint.wl.0.port="0x300"
207options WLCACHE # enables the signal-strength cache
208options WLDEBUG # enables verbose debugging output
209
210#
211# ATA raid adapters
212#
213device pst
214
215#
216# SCSI host adapters:
217#
218# ncv: NCR 53C500 based SCSI host adapters.
219# nsp: Workbit Ninja SCSI-3 based PC Card SCSI host adapters.
220# stg: TMC 18C30, 18C50 based SCSI host adapters.
221
222device ncv
223device nsp
224device stg
225hint.stg.0.at="isa"
226hint.stg.0.port="0x140"
227hint.stg.0.port="11"
228
229#
230# Adaptec FSA RAID controllers, including integrated DELL controllers,
231# the Dell PERC 2/QC and the HP NetRAID-4M
232device aac
233device aacp # SCSI Passthrough interface (optional, CAM required)
234
235#
236# IBM (now Adaptec) ServeRAID controllers
--- 7 unchanged lines hidden (view full) ---
244options SAFE_DEBUG # enable debugging support: hw.safe.debug
245options SAFE_RNDTEST # enable rndtest support
246
247#####################################################################
248
249#
250# Miscellaneous hardware:
251#
252# dgb: Digiboard PC/Xi and PC/Xe series driver (ALPHA QUALITY!)
253# digi: Digiboard driver
254# gsc: Genius GS-4500 hand scanner.
255# spic: Sony Programmable I/O controller (VAIO notebooks)
256# stl: Stallion EasyIO and EasyConnection 8/32 (cd1400 based)
257# stli: Stallion EasyConnection 8/64, ONboard, Brumby (intelligent)
258
259# Notes on the Specialix SI/XIO driver:
260# The host card is memory, not IO mapped.
261# The Rev 1 host cards use a 64K chunk, on a 32K boundary.
262# The Rev 2 host cards use a 32K chunk, on a 32K boundary.
263# The cards can use an IRQ of 11, 12 or 15.
264
265# Notes on the Digiboard PC/Xi and PC/Xe series driver
266#
267# The NDGBPORTS option specifies the number of ports controlled by the
268# dgb(4) driver. The default value is 16 ports per device.
269#
270# The following flag values have special meanings in dgb:
271# 0x01 - alternate layout of pins
272# 0x02 - use the windowed PC/Xe in 64K mode
273
274device digi
275hint.digi.0.at="isa"
276hint.digi.0.port="0x104"
277hint.digi.0.maddr="0xd0000"
278# BIOS & FEP/OS components of device digi.
279device digi_CX
280device digi_CX_PCI
281device digi_EPCX
282device digi_EPCX_PCI
283device digi_Xe
284device digi_Xem
285device digi_Xr
286# HOT1 Xilinx 6200 card (http://www.vcc.com/)
287device xrpu
288
289#
290# Laptop/Notebook options:
291#
292# See also:
293# apm under `Miscellaneous hardware'
294# above.
295
296# PCI bus Cards:
297# --------------
298#
299# Cyclades Cyclom-Y PCI serial driver
300device cy
301options CY_PCI_FASTINTR # Use with cy_pci unless irq is shared
302#hint.cy.0.at="isa"
303#hint.cy.0.irq="10"
304#hint.cy.0.maddr="0xd4000"
305#hint.cy.0.msize="0x2000"
306
307#
308# Set the number of PV entries per process. Increasing this can
309# stop panics related to heavy use of shared memory. However, that can
310# (combined with large amounts of physical memory) cause panics at
311# boot time due the kernel running out of VM space.
312#
313# If you're tweaking this, you might also want to increase the sysctls
314# "vm.v_free_min", "vm.v_free_reserved", and "vm.v_free_target".
315#
316# The value below is the one more than the default.
317#
318#options PMAP_SHPGPERPROC=201
319
320#
321# Change the size of the kernel virtual address space. Due to
322# constraints in loader(8) on i386, this must be a multiple of 4.
323# 256 = 1 GB of kernel address space. Increasing this also causes
324# a reduction of the address space in user processes. 512 splits
325# the 4GB cpu address space in half (2GB user, 2GB kernel).
326#
327options KVA_PAGES=260
328
329
330#####################################################################
331# ABI Emulation
332
333# Enable Linux ABI emulation
334#options COMPAT_LINUX
335
336# Enable the linux-like proc filesystem support (requires COMPAT_LINUX
337# and PSEUDOFS)
338#options LINPROCFS
339
340
341#####################################################################
342# VM OPTIONS
343
344# Disable the 4 MByte page PSE CPU feature. The PSE feature allows the
345# kernel to use a 4 MByte pages to map the kernel instead of 4k pages.
346# This saves on the amount of memory needed for page tables needed to
347# map the kernel. You should only disable this feature as a temporary
348# workaround if you are having problems with it enabled.
349#
350#options DISABLE_PSE
351
352# Disable the global pages PGE CPU feature. The PGE feature allows pages
353# to be marked with the PG_G bit. TLB entries for these pages are not
354# flushed from the cache when %cr3 is reloaded. This can make context
355# switches less expensive. You should only disable this feature as a
356# temporary workaround if you are having problems with it enabled.
357#
358#options DISABLE_PG_G
359
360# KSTACK_PAGES is the number of memory pages to assign to the kernel
361# stack of each thread.
362
363options KSTACK_PAGES=3
364
365#####################################################################
366
367# More undocumented options for linting.
368# Note that documenting these are not considered an affront.
369
370options FB_INSTALL_CDEV # install a CDEV entry in /dev
371
372options ENABLE_ALART
373options KBDIO_DEBUG=2
374options KBD_MAXRETRY=4
375options KBD_MAXWAIT=6
376options KBD_RESETDELAY=201
377
378options PSM_DEBUG=1
379
380options TIMER_FREQ=((14318182+6)/12)
381
382options VM_KMEM_SIZE
383options VM_KMEM_SIZE_MAX
384options VM_KMEM_SIZE_SCALE
2# NOTES -- Lines that can be cut/pasted into kernel and hints configs.
3#
4# This file contains machine dependent kernel configuration notes. For
5# machine independent notes, look in /sys/conf/NOTES.
6#
7# $FreeBSD: head/sys/amd64/conf/NOTES 125984 2004-02-19 04:39:14Z obrien $
8#
9
10#
11# This directive is mandatory; it defines the architecture to be
12# configured for; in this case, the 386 family based IBM-PC and
13# compatibles.
14#
15machine amd64
16cpu HAMMER
17
18#
19# We want LINT to cover profiling as well
20profile 2
21
22
23# Debug options
24options NPX_DEBUG # enable npx debugging (FPU/math emu)
25 #new math emulator
26
27#
28# PERFMON causes the driver for Pentium/Pentium Pro performance counters
29# to be compiled. See perfmon(4) for more information.
30#
31options PERFMON
32
33
34#####################################################################
35# NETWORKING OPTIONS
36
37#
38# DEVICE_POLLING adds support for mixed interrupt-polling handling
39# of network device drivers, which has significant benefits in terms
--- 20 unchanged lines hidden (view full) ---
60# The following options are used for debugging clock behavior only, and
61# should not be used for production systems.
62#
63# CLK_CALIBRATION_LOOP will run the clock calibration loop at startup
64# until the user presses a key.
65
66options CLK_CALIBRATION_LOOP
67
68
69#####################################################################
70# MISCELLANEOUS DEVICES AND OPTIONS
71
72hint.speaker.0.at="isa"
73hint.speaker.0.port="0x61"
74device gzip #Exec gzipped a.out's. REQUIRES COMPAT_AOUT!
75device apm_saver # Requires APM
76
77
78#####################################################################
79# HARDWARE BUS CONFIGURATION
80
81#
82# ISA bus
83#
--- 20 unchanged lines hidden (view full) ---
104# fails to detect >64MB RAM you will have to use the MAXMEM option.
105# The amount is in kilobytes, so for a machine with 128MB of RAM, it would
106# be 131072 (128 * 1024).
107#
108# BROKEN_KEYBOARD_RESET disables the use of the keyboard controller to
109# reset the CPU for reboot. This is needed on some systems with broken
110# keyboard controllers.
111
112options MAXMEM=(128*1024)
113#options BROKEN_KEYBOARD_RESET
114
115#
116# PCI bus & PCI options:
117#
118device pci
119
--- 8 unchanged lines hidden (view full) ---
128#
129# Mandatory devices:
130#
131
132#
133# Optional devices:
134#
135
136#
137# ACPI support using the Intel ACPI Component Architecture reference
138# implementation.
139#
140# ACPI_DEBUG enables the use of the debug.acpi.level and debug.acpi.layer
141# kernel environment variables to select initial debugging levels for the
142# Intel ACPICA code. (Note that the Intel code must also have USE_DEBUGGER
143# defined when it is built).
144#
145# Note that building ACPI into the kernel is deprecated; the module is
146# normally loaded automatically by the loader.
147#
148device acpi
149options ACPI_DEBUG
150
151# DRM options:
152# mgadrm: AGP Matrox G200, G400, G450, G550
153# tdfxdrm: 3dfx Voodoo 3/4/5 and Banshee
154# r128drm: ATI Rage 128
155# radeondrm: ATI Radeon up to 9000/9100
156# DRM_DEBUG: include debug printfs, very slow
157#
158# mga requires AGP in the kernel, and it is recommended
159# for AGP r128 and radeon cards.
160
161device mgadrm
162device "r128drm"
163device radeondrm
164device tdfxdrm
165
166options DRM_DEBUG
167
168# M-systems DiskOnchip products see src/sys/contrib/dev/fla/README
169###device fla
170###hint.fla.0.at="isa"
171
172#
173# Network interfaces:
174#
175
176# ed: Western Digital and SMC 80xx; Novell NE1000 and NE2000; 3Com 3C503
177# HP PC Lan+, various PC Card devices (refer to etc/defauls/pccard.conf)
178# (requires miibus)
179# ie: AT&T StarLAN 10 and EN100; 3Com 3C507; unknown NI5210;
180# Intel EtherExpress
181# lnc: Lance/PCnet cards (Isolan, Novell NE2100, NE32-VL, AMD Am7990 and
182# Am79C960)
183# sr: RISCom/N2 hdlc sync 1/2 port V.35/X.21 serial driver (requires sppp)
184# wl: Lucent Wavelan (ISA card only).
185
186# Order for ISA/EISA devices is important here
187
188device ed
189#options ED_NO_MIIBUS # Disable ed miibus support
190hint.ed.0.at="isa"
191hint.ed.0.port="0x280"
192hint.ed.0.irq="5"
193hint.ed.0.maddr="0xd8000"
194device lnc
195hint.lnc.0.at="isa"
196hint.lnc.0.port="0x280"
197hint.lnc.0.irq="10"
198hint.lnc.0.drq="0"
199device sr
200hint.sr.0.at="isa"
201hint.sr.0.port="0x300"
202hint.sr.0.irq="5"
203hint.sr.0.maddr="0xd0000"
204device wl
205hint.wl.0.at="isa"
206hint.wl.0.port="0x300"
207options WLCACHE # enables the signal-strength cache
208options WLDEBUG # enables verbose debugging output
209
210#
211# ATA raid adapters
212#
213device pst
214
215#
216# SCSI host adapters:
217#
218# ncv: NCR 53C500 based SCSI host adapters.
219# nsp: Workbit Ninja SCSI-3 based PC Card SCSI host adapters.
220# stg: TMC 18C30, 18C50 based SCSI host adapters.
221
222device ncv
223device nsp
224device stg
225hint.stg.0.at="isa"
226hint.stg.0.port="0x140"
227hint.stg.0.port="11"
228
229#
230# Adaptec FSA RAID controllers, including integrated DELL controllers,
231# the Dell PERC 2/QC and the HP NetRAID-4M
232device aac
233device aacp # SCSI Passthrough interface (optional, CAM required)
234
235#
236# IBM (now Adaptec) ServeRAID controllers
--- 7 unchanged lines hidden (view full) ---
244options SAFE_DEBUG # enable debugging support: hw.safe.debug
245options SAFE_RNDTEST # enable rndtest support
246
247#####################################################################
248
249#
250# Miscellaneous hardware:
251#
252# dgb: Digiboard PC/Xi and PC/Xe series driver (ALPHA QUALITY!)
253# digi: Digiboard driver
254# gsc: Genius GS-4500 hand scanner.
255# spic: Sony Programmable I/O controller (VAIO notebooks)
256# stl: Stallion EasyIO and EasyConnection 8/32 (cd1400 based)
257# stli: Stallion EasyConnection 8/64, ONboard, Brumby (intelligent)
258
259# Notes on the Specialix SI/XIO driver:
260# The host card is memory, not IO mapped.
261# The Rev 1 host cards use a 64K chunk, on a 32K boundary.
262# The Rev 2 host cards use a 32K chunk, on a 32K boundary.
263# The cards can use an IRQ of 11, 12 or 15.
264
265# Notes on the Digiboard PC/Xi and PC/Xe series driver
266#
267# The NDGBPORTS option specifies the number of ports controlled by the
268# dgb(4) driver. The default value is 16 ports per device.
269#
270# The following flag values have special meanings in dgb:
271# 0x01 - alternate layout of pins
272# 0x02 - use the windowed PC/Xe in 64K mode
273
274device digi
275hint.digi.0.at="isa"
276hint.digi.0.port="0x104"
277hint.digi.0.maddr="0xd0000"
278# BIOS & FEP/OS components of device digi.
279device digi_CX
280device digi_CX_PCI
281device digi_EPCX
282device digi_EPCX_PCI
283device digi_Xe
284device digi_Xem
285device digi_Xr
286# HOT1 Xilinx 6200 card (http://www.vcc.com/)
287device xrpu
288
289#
290# Laptop/Notebook options:
291#
292# See also:
293# apm under `Miscellaneous hardware'
294# above.
295
296# PCI bus Cards:
297# --------------
298#
299# Cyclades Cyclom-Y PCI serial driver
300device cy
301options CY_PCI_FASTINTR # Use with cy_pci unless irq is shared
302#hint.cy.0.at="isa"
303#hint.cy.0.irq="10"
304#hint.cy.0.maddr="0xd4000"
305#hint.cy.0.msize="0x2000"
306
307#
308# Set the number of PV entries per process. Increasing this can
309# stop panics related to heavy use of shared memory. However, that can
310# (combined with large amounts of physical memory) cause panics at
311# boot time due the kernel running out of VM space.
312#
313# If you're tweaking this, you might also want to increase the sysctls
314# "vm.v_free_min", "vm.v_free_reserved", and "vm.v_free_target".
315#
316# The value below is the one more than the default.
317#
318#options PMAP_SHPGPERPROC=201
319
320#
321# Change the size of the kernel virtual address space. Due to
322# constraints in loader(8) on i386, this must be a multiple of 4.
323# 256 = 1 GB of kernel address space. Increasing this also causes
324# a reduction of the address space in user processes. 512 splits
325# the 4GB cpu address space in half (2GB user, 2GB kernel).
326#
327options KVA_PAGES=260
328
329
330#####################################################################
331# ABI Emulation
332
333# Enable Linux ABI emulation
334#options COMPAT_LINUX
335
336# Enable the linux-like proc filesystem support (requires COMPAT_LINUX
337# and PSEUDOFS)
338#options LINPROCFS
339
340
341#####################################################################
342# VM OPTIONS
343
344# Disable the 4 MByte page PSE CPU feature. The PSE feature allows the
345# kernel to use a 4 MByte pages to map the kernel instead of 4k pages.
346# This saves on the amount of memory needed for page tables needed to
347# map the kernel. You should only disable this feature as a temporary
348# workaround if you are having problems with it enabled.
349#
350#options DISABLE_PSE
351
352# Disable the global pages PGE CPU feature. The PGE feature allows pages
353# to be marked with the PG_G bit. TLB entries for these pages are not
354# flushed from the cache when %cr3 is reloaded. This can make context
355# switches less expensive. You should only disable this feature as a
356# temporary workaround if you are having problems with it enabled.
357#
358#options DISABLE_PG_G
359
360# KSTACK_PAGES is the number of memory pages to assign to the kernel
361# stack of each thread.
362
363options KSTACK_PAGES=3
364
365#####################################################################
366
367# More undocumented options for linting.
368# Note that documenting these are not considered an affront.
369
370options FB_INSTALL_CDEV # install a CDEV entry in /dev
371
372options ENABLE_ALART
373options KBDIO_DEBUG=2
374options KBD_MAXRETRY=4
375options KBD_MAXWAIT=6
376options KBD_RESETDELAY=201
377
378options PSM_DEBUG=1
379
380options TIMER_FREQ=((14318182+6)/12)
381
382options VM_KMEM_SIZE
383options VM_KMEM_SIZE_MAX
384options VM_KMEM_SIZE_SCALE