Checkpoint a NOTES file I had as of Nov 23rd. It doesn't quite compile
due to triggering some printf breakage in some DIAGNOSTIC printfs.
This commit is contained in:
Peter Wemm
parent
eab0ab565c
commit
b132d96ea6
419
sys/amd64/conf/NOTES
Normal file
419
sys/amd64/conf/NOTES
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@ -0,0 +1,419 @@
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#
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# NOTES -- Lines that can be cut/pasted into kernel and hints configs.
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#
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# This file contains machine dependent kernel configuration notes. For
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# machine independent notes, look in /sys/conf/NOTES.
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# (XXX from i386:NOTES,v 1.1106; merge in updates)
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# $FreeBSD$
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#
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#
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# This directive is mandatory; it defines the architecture to be
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# configured for; in this case, the 386 family based IBM-PC and
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# compatibles.
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#
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machine amd64
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#
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# We want LINT to cover profiling as well
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#X#profile 2
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#####################################################################
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# SMP OPTIONS:
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#
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# The apic device enables the use of the I/O APIC for interrupt delivery.
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# The apic device can be used in both UP and SMP kernels, but is required
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# for SMP kernels. Thus, the apic device is not strictly an SMP option,
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# but it is a prerequisite for SMP.
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#
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# Notes:
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#
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# Be sure to disable 'cpu I386_CPU' for SMP kernels.
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#
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# By default, mixed mode is used to route IRQ0 from the AT timer via
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# the 8259A master PIC through the ExtINT pin on the first I/O APIC.
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# This can be disabled via the NO_MIXED_MODE option. In that case,
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# IRQ0 will be routed via an intpin on the first I/O APIC. Not all
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# motherboards hook IRQ0 up to the first I/O APIC even though their
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# MP table or MADT may claim to do so. That is why mixed mode is
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# enabled by default.
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#
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# Optional:
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device atpic
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device mptable
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options NO_MIXED_MODE # Disable use of mixed mode
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#####################################################################
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# CPU OPTIONS
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#
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# You must specify at least one CPU (the one you intend to run on);
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# deleting the specification for CPUs you don't need to use may make
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# parts of the system run faster.
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#
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cpu HAMMER
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#
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# Options for CPU features.
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#
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#
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# PERFMON causes the driver for Pentium/Pentium Pro performance counters
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# to be compiled. See perfmon(4) for more information.
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#
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#X#options PERFMON
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#####################################################################
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# NETWORKING OPTIONS
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#
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# DEVICE_POLLING adds support for mixed interrupt-polling handling
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# of network device drivers, which has significant benefits in terms
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# of robustness to overloads and responsivity, as well as permitting
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# accurate scheduling of the CPU time between kernel network processing
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# and other activities. The drawback is a moderate (up to 1/HZ seconds)
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# potential increase in response times.
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# It is strongly recommended to use HZ=1000 or 2000 with DEVICE_POLLING
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# to achieve smoother behaviour.
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# Additionally, you can enable/disable polling at runtime with the
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# sysctl variable kern.polling.enable (defaults off), and select
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# the CPU fraction reserved to userland with the sysctl variable
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# kern.polling.user_frac (default 50, range 0..100).
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#
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# Only the "dc" "fxp" and "sis" devices support this mode of operation at
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# the time of this writing.
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options DEVICE_POLLING
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#####################################################################
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# CLOCK OPTIONS
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# The following options are used for debugging clock behavior only, and
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# should not be used for production systems.
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#
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# CLK_CALIBRATION_LOOP will run the clock calibration loop at startup
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# until the user presses a key.
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options CLK_CALIBRATION_LOOP
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# The following two options measure the frequency of the corresponding
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# clock relative to the RTC (onboard mc146818a).
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options CLK_USE_I8254_CALIBRATION
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options CLK_USE_TSC_CALIBRATION
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#####################################################################
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# MISCELLANEOUS DEVICES AND OPTIONS
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device gzip #Exec gzipped a.out's. REQUIRES COMPAT_AOUT!
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#####################################################################
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# HARDWARE BUS CONFIGURATION
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#
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# ISA bus
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#
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device isa
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#
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# Options for `isa':
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#
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# AUTO_EOI_1 enables the `automatic EOI' feature for the master 8259A
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# interrupt controller. This saves about 0.7-1.25 usec for each interrupt.
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# This option breaks suspend/resume on some portables.
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#
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# AUTO_EOI_2 enables the `automatic EOI' feature for the slave 8259A
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# interrupt controller. This saves about 0.7-1.25 usec for each interrupt.
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# Automatic EOI is documented not to work for for the slave with the
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# original i8259A, but it works for some clones and some integrated
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# versions.
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#
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# MAXMEM specifies the amount of RAM on the machine; if this is not
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# specified, FreeBSD will first read the amount of memory from the CMOS
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# RAM, so the amount of memory will initially be limited to 64MB or 16MB
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# depending on the BIOS. If the BIOS reports 64MB, a memory probe will
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# then attempt to detect the installed amount of RAM. If this probe
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# fails to detect >64MB RAM you will have to use the MAXMEM option.
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# The amount is in kilobytes, so for a machine with 128MB of RAM, it would
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# be 131072 (128 * 1024).
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#
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# BROKEN_KEYBOARD_RESET disables the use of the keyboard controller to
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# reset the CPU for reboot. This is needed on some systems with broken
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# keyboard controllers.
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options AUTO_EOI_1
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#options AUTO_EOI_2
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options MAXMEM=(128*1024)
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#options BROKEN_KEYBOARD_RESET
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#
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# PCI bus & PCI options:
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#
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device pci
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#
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# AGP GART support
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device agp
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#####################################################################
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# HARDWARE DEVICE CONFIGURATION
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#
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# Mandatory devices:
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#
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#
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# Optional devices:
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#
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# 3Dfx Voodoo Graphics, Voodoo II /dev/3dfx CDEV support. This will create
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# the /dev/3dfx0 device to work with glide implementations. This should get
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# linked to /dev/3dfx and /dev/voodoo. Note that this is not the same as
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# the tdfx DRI module from XFree86 and is completely unrelated.
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#
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# To enable Linuxulator support, one must also include COMPAT_LINUX in the
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# config as well, or you will not have the dependencies. The other option
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# is to load both as modules.
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device tdfx # Enable 3Dfx Voodoo support
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#X#options TDFX_LINUX # Enable Linuxulator support
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#
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# ACPI support using the Intel ACPI Component Architecture reference
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# implementation.
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#
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# ACPI_DEBUG enables the use of the debug.acpi.level and debug.acpi.layer
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# kernel environment variables to select initial debugging levels for the
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# Intel ACPICA code. (Note that the Intel code must also have USE_DEBUGGER
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# defined when it is built).
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#
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# ACPI_MAX_THREADS sets the number of task threads started.
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#
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# ACPI_NO_SEMAPHORES makes the AcpiOs*Semaphore routines a no-op.
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#
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# ACPICA_PEDANTIC enables strict checking of AML. Our default is to
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# relax these checks to allow code generated by the Microsoft compiler
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# to still execute.
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#
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# Note that building ACPI into the kernel is deprecated; the module is
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# normally loaded automatically by the loader.
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#
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device acpi
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options ACPI_DEBUG
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options ACPI_MAX_THREADS=1
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#!options ACPI_NO_SEMAPHORES
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#!options ACPICA_PEDANTIC
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# DRM options:
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# mgadrm: AGP Matrox G200, G400, G450, G550
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# r128drm: ATI Rage 128
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# radeondrm: ATI Radeon up to 9000/9100
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# sisdrm: SiS 300/305,540,630
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# tdfxdrm: 3dfx Voodoo 3/4/5 and Banshee
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# DRM_DEBUG: include debug printfs, very slow
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#
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# mga requires AGP in the kernel, and it is recommended
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# for AGP r128 and radeon cards.
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device mgadrm
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device "r128drm"
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device radeondrm
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device sisdrm
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device tdfxdrm
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options DRM_DEBUG
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#
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# Network interfaces:
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#
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# ath: Atheros a/b/g WiFi adapters (requires ath_hal and wlan)
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device ath
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#X#device ath_hal # Atheros HAL (includes binary component)
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device wlan # 802.11 layer
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#
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# ATA raid adapters
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#
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#XXX this stores pointers in a 32bit field that is defined by the hardware
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#device pst
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#
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# SCSI host adapters:
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#
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#
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# Adaptec FSA RAID controllers, including integrated DELL controllers,
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# the Dell PERC 2/QC and the HP NetRAID-4M
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device aac
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device aacp # SCSI Passthrough interface (optional, CAM required)
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#
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# IBM (now Adaptec) ServeRAID controllers
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device ips
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#
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# SafeNet crypto driver: can be moved to the MI NOTES as soon as
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# it's tested on a big-endian machine
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#
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device safe # SafeNet 1141
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options SAFE_DEBUG # enable debugging support: hw.safe.debug
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options SAFE_RNDTEST # enable rndtest support
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#####################################################################
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#
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# Miscellaneous hardware:
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#
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# digi: Digiboard driver
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# Notes on the Specialix SI/XIO driver:
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# The host card is memory, not IO mapped.
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# The Rev 1 host cards use a 64K chunk, on a 32K boundary.
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# The Rev 2 host cards use a 32K chunk, on a 32K boundary.
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# The cards can use an IRQ of 11, 12 or 15.
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device digi
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hint.digi.0.at="isa"
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hint.digi.0.port="0x104"
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hint.digi.0.maddr="0xd0000"
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# BIOS & FEP/OS components of device digi.
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device digi_CX
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device digi_CX_PCI
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device digi_EPCX
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device digi_EPCX_PCI
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device digi_Xe
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device digi_Xem
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device digi_Xr
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# HOT1 Xilinx 6200 card (http://www.vcc.com/)
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device xrpu
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#
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# Laptop/Notebook options:
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#
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#
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# I2C Bus
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#
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#---------------------------------------------------------------------------
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#
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# Set the number of PV entries per process. Increasing this can
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# stop panics related to heavy use of shared memory. However, that can
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# (combined with large amounts of physical memory) cause panics at
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# boot time due the kernel running out of VM space.
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#
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# If you're tweaking this, you might also want to increase the sysctls
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# "vm.v_free_min", "vm.v_free_reserved", and "vm.v_free_target".
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#
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# The value below is the one more than the default.
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#
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options PMAP_SHPGPERPROC=201
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#####################################################################
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# ABI Emulation
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#XXX keep these here for now and reactivate when support for emulating
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#XXX these 32 bit binaries is added.
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# Enable iBCS2 runtime support for SCO and ISC binaries
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#X#options IBCS2
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# Emulate spx device for client side of SVR3 local X interface
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#X#options SPX_HACK
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# Enable Linux ABI emulation
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#X#options COMPAT_LINUX
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# Enable the linux-like proc filesystem support (requires COMPAT_LINUX
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# and PSEUDOFS)
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#X#options LINPROCFS
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#
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# SysVR4 ABI emulation
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#
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# The svr4 ABI emulator can be statically compiled into the kernel or loaded as
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# a KLD module.
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# The STREAMS network emulation code can also be compiled statically or as a
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# module. If loaded as a module, it must be loaded before the svr4 module
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# (the /usr/sbin/svr4 script does this for you). If compiling statically,
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# the `streams' device must be configured into any kernel which also
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# specifies COMPAT_SVR4. It is possible to have a statically-configured
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# STREAMS device and a dynamically loadable svr4 emulator; the /usr/sbin/svr4
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# script understands that it doesn't need to load the `streams' module under
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# those circumstances.
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# Caveat: At this time, `options KTRACE' is required for the svr4 emulator
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# (whether static or dynamic).
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#
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#X#options COMPAT_SVR4 # build emulator statically
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#X#options DEBUG_SVR4 # enable verbose debugging
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#X#device streams # STREAMS network driver (required for svr4).
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#####################################################################
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# VM OPTIONS
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# KSTACK_PAGES is the number of memory pages to assign to the kernel
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# stack of each thread.
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options KSTACK_PAGES=3
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#####################################################################
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# More undocumented options for linting.
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# Note that documenting these are not considered an affront.
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options FB_INSTALL_CDEV # install a CDEV entry in /dev
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# PECOFF module (Win32 Execution Format)
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#X#options PECOFF_SUPPORT
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#X#options PECOFF_DEBUG
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options ENABLE_ALART
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options KBDIO_DEBUG=2
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options KBD_MAXRETRY=4
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options KBD_MAXWAIT=6
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options KBD_RESETDELAY=201
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options PSM_DEBUG=1
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options TIMER_FREQ=((14318182+6)/12)
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options VM_KMEM_SIZE
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options VM_KMEM_SIZE_MAX
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options VM_KMEM_SIZE_SCALE
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###############################################################
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# Broken stuff that shouldn't really be broken
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# machine/ioctl_meteor.h and machine/bt848.h
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nodevice bktr
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# pointer/int stuff
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nodevice mgadrm
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nodevice "r128drm"
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nodevice radeondrm
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nodevice sisdrm
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nodevice tdfxdrm
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# missing conf lines (must be fixed ASAP)
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nooption SC_DFLT_FONT
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nooption UKBD_DFLT_KEYMAP
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nooption ATKBD_DFLT_KEYMAP
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nooption PMAP_SHPGPERPROC
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nooption CLK_USE_I8254_CALIBRATION
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# XXX dead option
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nooption CLK_USE_TSC_CALIBRATION
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Loading…
Reference in New Issue
Block a user