2 # GENERIC -- Generic kernel configuration file for FreeBSD/sparc64
4 # For more information on this file, please read the handbook section on
5 # Kernel Configuration Files:
7 # http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html
9 # The handbook is also available locally in /usr/share/doc/handbook
10 # if you've installed the doc distribution, otherwise always see the
11 # FreeBSD World Wide Web server (http://www.FreeBSD.org/) for the
14 # An exhaustive list of options and more detailed explanations of the
15 # device lines is also present in the ../../conf/NOTES and NOTES files.
16 # If you are in doubt as to the purpose or necessity of a line, check first
19 # For hardware specific information check HARDWARE.TXT
26 makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols
27 makeoptions NO_MODULES="" # disable modules (aicasm in buildenv)
30 # At this time all platforms are supported, as-is.
32 options SCHED_4BSD # 4BSD scheduler
33 #options PREEMPTION # Enable kernel thread preemption
34 options INET # InterNETworking
35 options INET6 # IPv6 communications protocols
36 options FFS # Berkeley Fast Filesystem
37 options SOFTUPDATES # Enable FFS soft updates support
38 options UFS_ACL # Support for access control lists
39 options UFS_DIRHASH # Improve performance on big directories
40 options MD_ROOT # MD is a potential root device
41 options NFSCLIENT # Network Filesystem Client
42 options NFSSERVER # Network Filesystem Server
43 options NFS_ROOT # NFS usable as /, requires NFSCLIENT
44 #options MSDOSFS # MSDOS Filesystem
46 options CD9660 # ISO 9660 Filesystem
47 options PROCFS # Process filesystem (requires PSEUDOFS)
48 options PSEUDOFS # Pseudo-filesystem framework
49 options GEOM_GPT # GUID Partition Tables.
50 options COMPAT_43 # Compatible with BSD 4.3 [KEEP THIS!]
51 options COMPAT_43TTY # BSD 4.3 TTY compat [KEEP THIS!]
52 options COMPAT_FREEBSD5 # Compatible with FreeBSD5
53 options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI
54 options KTRACE # ktrace(1) support
55 options SYSVSHM # SYSV-style shared memory
56 options SYSVMSG # SYSV-style message queues
57 options SYSVSEM # SYSV-style semaphores
58 options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
59 options AHC_REG_PRETTY_PRINT # Print register bitfields in debug
60 # output. Adds ~128k to driver.
61 options ADAPTIVE_GIANT # Giant mutex is adaptive.
62 options PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed.
64 # Debugging for use in -current
65 options KDB # Enable kernel debugger support.
67 options DDB # Support DDB.
68 #options TRAP_TRACING # Enable trap tracing.
69 #options TRAP_TRACE_ENTRIES=256 # Trap trace buffer entries.
70 #options GDB # Support remote GDB.
71 #options INVARIANTS # Enable calls of extra sanity checking
72 #options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS
73 #options WITNESS # Enable checks to detect deadlocks and cycles
74 #options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed
76 #options DEBUG_VFS_LOCKS
78 # To make an SMP kernel, the next line is needed
79 options SMP # Symmetric MultiProcessor Kernel
89 # ATA and ATAPI devices
91 #device atadisk # ATA disk drives
92 device atapicd # ATAPI CDROM drives
93 #device atapifd # ATAPI floppy drives
94 #device atapist # ATAPI tape drives
95 # Do NOT enable ATA_STATIC_ID -- cmd646 controller will be !ata2!,
96 # and you will not mount an ATA /.
97 #options ATA_STATIC_ID # Static device numbering
100 #device ahc # AHA2940 and onboard AIC7xxx devices
101 #device isp # Qlogic family
102 #device ispfw # Firmware module for Qlogic host adapters
103 device mpt # LSI-Logic MPT-Fusion (not yet)
104 #device ncr # NCR/Symbios Logic
105 #device sym # NCR/Symbios Logic (newer chipsets + those of `ncr')
106 #device esp # NCR53c9x (FEPS/FAS366)
109 device scbus # SCSI bus (required for SCSI)
110 device ch # SCSI media changers
111 device da # Direct Access (disks)
112 device sa # Sequential Access (tape etc)
114 device pass # Passthrough device (direct SCSI access)
115 device ses # SCSI Environmental Services (and SAF-TE)
118 #device amr # AMI MegaRAID
119 #device mlx # Mylex DAC960 family
121 # syscons is the default console driver, resembling an SCO console
123 #device splash # Splash screen and screen saver support
124 #options KBD_INSTALL_CDEV # install a CDEV entry in /dev
126 #device ofw_console # Open Firmware console device
129 #device auxio # auxiliary I/O device
130 #device clkbrd # Clock Board (blinkenlight on Sun Exx00)
131 #device eeprom # eeprom (really a front-end for the MK48Txx)
132 #device mk48txx # Mostek MK48Txx clocks
133 #device rtc # rtc (really a front-end for the MC146818)
134 #device mc146818 # Motorola MC146818 and compatible clocks
137 #device sab # Siemens SAB82532 based serial ports
138 #device uart # Multi-uart driver
139 #device puc # Multi-channel uarts
143 #device ppbus # Parallel port bus (required)
144 #device lpt # Printer
145 #device plip # TCP/IP over parallel
146 #device ppi # Parallel port interface device
147 #device vpo # Requires scbus and da
150 #device de # DEC/Intel DC21x4x (``Tulip'')
151 device em # Intel PRO/1000 adapter Gigabit Ethernet Card
152 #device ixgb # Intel PRO/10GbE Ethernet Card
153 #device le # AMD Am7900 LANCE and Am79C9xx PCnet
154 #device txp # 3Com 3cR990 (``Typhoon'')
155 #device vx # 3Com 3c590, 3c595 (``Vortex'')
157 # PCI Ethernet NICs that use the common MII bus controller code.
158 # NOTE: Be sure to keep the 'device miibus' line in order to use these NICs!
159 device miibus # MII bus support
160 device bge # Broadcom BCM570xx Gigabit Ethernet
163 device loop # Network loopback
164 device random # Entropy device
165 device ether # Ethernet support
166 device sl # Kernel SLIP
167 device ppp # Kernel PPP
168 device tun # Packet tunnel.
169 device pty # Pseudo-ttys (telnet etc)
170 device md # Memory "disks"
171 device gif # IPv6 and IPv4 tunneling
172 device faith # IPv6-to-IPv4 relaying (translation)
174 # The `bpf' device enables the Berkeley Packet Filter.
175 # Be aware of the administrative consequences of enabling this!
176 # Note that 'bpf' is required for DHCP.
177 device bpf # Berkeley packet filter
180 #device uhci # UHCI PCI->USB interface
181 #device ohci # OHCI PCI->USB interface
182 device usb # USB Bus (required)
183 #device udbp # USB Double Bulk Pipe devices
184 device ugen # Generic
185 device uhid # "Human Interface Devices"
186 #device ukbd # Keyboard
187 device ulpt # Printer
188 #device umass # Disks/Mass storage - Requires scbus and da
190 #device urio # Diamond Rio 500 MP3 player
191 #device uscanner # Scanners
192 # USB Ethernet, requires mii
193 #device aue # ADMtek USB Ethernet
194 #device axe # ASIX Electronics USB Ethernet
195 #device cdce # Generic USB over Ethernet
196 #device cue # CATC USB Ethernet
197 #device kue # Kawasaki LSI USB Ethernet
198 #device rue # RealTek RTL8150 USB Ethernet
201 #device firewire # FireWire bus code
202 #device sbp # SCSI over FireWire (Requires scbus and da)
203 #device fwe # Ethernet over FireWire (non-standard!)
205 #options SIMULATOR # compile for ISA simulator
207 #options KTR_MASK=(KTR_TRAP)
211 #options DEBUG_VFS_LOCKS
215 # sched_lock incurs a rather high overhead at a 1000Hz with 32 cpus
216 # on most arches and in most cases 1000Hz pessimizes performance
217 # its choice was not adequately researched