GENERIC revision 1.21
11.21Sitojun# $NetBSD: GENERIC,v 1.21 1999/11/21 14:00:44 itojun Exp $ 21.1Seeh 31.1Seehinclude "arch/sparc64/conf/std.sparc64" 41.1Seeh 51.1Seehmaxusers 32 61.1Seeh 71.1Seeh## System kernel configuration. See options(4) for more detail. 81.1Seeh 91.1Seeh 101.1Seeh# Options for variants of the Sun SPARC architecure. 111.1Seeh# We currently support three architecture types; at least one is required. 121.1Seehoptions SUN4U # sun4u - Ultra 140 and 170 131.1Seehoptions TRAPWIN 141.10Seehoptions __ELF__ # we use elf 151.10Seeh#options _LP64 # we're using a 64-bit compiler 161.1Seeh 171.1Seeh## System options specific to the sparc machine type 181.1Seeh 191.1Seeh## Use a faster console than the PROM's slow drawing routines. Not needed 201.1Seeh## for headless (no framebuffer) machines. 211.3Smrg# XXX broken on sparc64 221.14Sad#options RASTERCONSOLE # fast rasterop console 231.1Seeh 241.1Seeh#### System options that are the same for all ports 251.1Seeh 261.1Seeh## Root device configuration: change the ?'s if you are going to use a 271.1Seeh## nonstandard root partition (other than where the kernel is booted from) 281.1Seeh## and/or nonstandard root type (not ffs or nfs). Normally this can be 291.1Seeh## automagically determined at boot time. 301.1Seeh 311.1Seehconfig netbsd root on ? type ? 321.1Seeh 331.4Smrg## UVM options. 341.10Seeh#options UVM_PAGE_TRKOWN 351.6Smrg#options UVMHIST 361.4Smrg#options UVMHIST_PRINT # Loud! 371.1Seeh 381.1Seeh## System call tracing (see ktrace(1)). 391.1Seehoptions KTRACE 401.1Seeh 411.1Seeh## Collect statistics on kernel malloc's and free's. This does have a 421.1Seeh## significant performance hit on slower machines, so it is intended for 431.1Seeh## diagnostic use only. 441.1Seeh#options KMEMSTATS 451.1Seeh 461.1Seeh## System V compatible IPC subsystem. (msgctl(2), semctl(2), and shmctl(2)) 471.1Seehoptions SYSVMSG # System V message queues 481.1Seehoptions SYSVSEM # System V semaphores 491.1Seehoptions SYSVSHM # System V shared memory 501.1Seeh#options SHMMAXPGS=1024 # 1024 pages is the default 511.1Seeh 521.1Seeh## Loadable kernel module support; still under development. 531.1Seehoptions LKM 541.1Seeh 551.1Seeh## NFS boot options; default on sparc is the bootparam protocol 561.1Seehoptions NFS_BOOT_BOOTPARAM 571.1Seeh#options NFS_BOOT_BOOTP 581.1Seeh#options NFS_BOOT_DHCP 591.1Seeh 601.1Seeh#### Debugging options 611.1Seeh 621.1Seeh## The DDB in-kernel debugger runs at panic (unless DDB_ONPANIC=0), or at 631.1Seeh## serial console break or keyboard reset, where the PROM would normally 641.1Seeh## intercept. DDB_HISTORY_SIZE adds up/down arrow command history. 651.9Smrg# we enable DDB in GENERIC for now. 661.9Smrgoptions DDB # kernel dynamic debugger 671.16Seehoptions DDB_HISTORY_SIZE=100 # enable history editing in DDB 681.1Seeh#options DDB_ONPANIC # see also sysctl(8): `ddb.onpanic' 691.1Seeh 701.1Seeh## You may also use gdb, on another computer connected to this machine over 711.1Seeh## a serial port. Both KGDBDEV and KGDBRATE should be specified; KGDBDEV is 721.1Seeh## a dev_t encoded device number of the serial port to use. 731.1Seeh## (0xc01 = ttya, 0xc02 = ttyb.) 741.1Seeh#options KGDB # support for kernel gdb 751.1Seeh#options KGDBDEV=0xc01 # kgdb device number (this sample is `ttyb') 761.1Seeh#options KGDBRATE=38400 # baud rate 771.1Seeh 781.1Seeh 791.1Seeh## Compile the kernel with debugging symbols (`netbsd.gdb' is the debug file), 801.1Seeh## such that gdb(1) can be used on a kernel coredump. 811.1Seeh 821.1Seeh#makeoptions DEBUG="-g" 831.1Seeh 841.1Seeh 851.1Seeh## Adds code to the kernel that does internal consistency checks, and will 861.1Seeh## cause the kernel to panic if corruption of internal data structures 871.1Seeh## is detected. 881.1Seeh#options DIAGNOSTIC # extra kernel sanity checking 891.1Seeh 901.1Seeh## Enable (possibly expensive) debugging code that may also display messages 911.1Seeh## on the system console 921.1Seeh#options DEBUG 931.1Seeh 941.1Seeh## Make SCSI error messages more verbose when explaining their meanings. 951.1Seehoptions SCSIVERBOSE 961.16Seehoptions PCIVERBOSE 971.1Seeh 981.1Seeh## `INSECURE' turns off the kernel security level (securelevel = 0 always). 991.1Seeh## This allows writing to /dev/mem, loading kernel modules while multi-user, 1001.1Seeh## and other insecurities good only for development work. Do not use this 1011.1Seeh## option on a production machine. 1021.1Seeh#options INSECURE 1031.1Seeh 1041.1Seeh## Allow non-root users to grab /dev/console with programs such as xconsole. 1051.1Seeh## `xconsole' therefore does not need setuid root with this option enabled. 1061.1Seeh#options UCONSOLE 1071.1Seeh 1081.1Seeh## `FDSCRIPTS' allows non-readable but executable scripts by providing a 1091.1Seeh## pre-opened opaque file to the script interpreter. `SETUIDSCRIPTS', 1101.1Seeh## which implies FDSCRIPTS, allows scripts to be set-user-id using the same 1111.1Seeh## opaque file mechanism. Perl calls this "secure setuid scripts." 1121.1Seeh 1131.1Seeh#options FDSCRIPTS 1141.1Seeh#options SETUIDSCRIPTS 1151.1Seeh 1161.1Seeh## Options for compatibility with previous releases foreign system binaries. 1171.1Seeh## In the cases of COMPAT_SUNOS and COMPAT_SVR4, you may need to set up 1181.1Seeh## additional user-level utilities or system configuration files. See 1191.1Seeh## compat_sunos(8) and compat_svr4(8). 1201.1Seeh 1211.1Seehoptions COMPAT_43 # 4.3BSD system interfaces 1221.1Seehoptions COMPAT_10 # NetBSD 1.0 binary compatibility 1231.1Seehoptions COMPAT_11 # NetBSD 1.1 binary compatibility 1241.1Seehoptions COMPAT_12 # NetBSD 1.2 binary compatibility 1251.1Seehoptions COMPAT_13 # NetBSD 1.3 binary compatibility 1261.18Saugustssoptions COMPAT_14 # NetBSD 1.4 binary compatibility 1271.12Seeh#options COMPAT_NETBSD32 # NetBSD/sparc binary compatibility -- 64-bit only 1281.1Seehoptions COMPAT_SUNOS # SunOS 4.x binary compatibility 1291.1Seehoptions COMPAT_SVR4 # SunOS 5.x binary compatibility 1301.1Seehoptions EXEC_ELF32 # Exec module for SunOS 5.x binaries. 1311.11Seeh#options EXEC_ELF64 # Exec module for sparc64 & SunOs 5.x binaries. -- 64-bit only 1321.10Seeh#options SYSCALL_DEBUG 1331.17Seehoptions COMPAT_AOUT # NetBSD/sparc compat support 1341.13Seehoptions EXEC_AOUT # execve(2) support for a.out binaries 1351.1Seeh 1361.1Seeh## File systems. You probably need at least one of FFS or NFS. 1371.1Seehfile-system FFS # Berkeley Fast Filesystem 1381.1Seehfile-system NFS # Sun NFS-compatible filesystem client 1391.1Seehfile-system KERNFS # kernel data-structure filesystem 1401.1Seehfile-system NULLFS # NULL layered filesystem 1411.1Seehfile-system MFS # memory-based filesystem 1421.1Seehfile-system FDESC # user file descriptor filesystem 1431.1Seehfile-system UMAPFS # uid/gid remapping filesystem 1441.1Seehfile-system LFS # Log-based filesystem (still experimental) 1451.1Seehfile-system PORTAL # portal filesystem (still experimental) 1461.1Seehfile-system PROCFS # /proc 1471.1Seehfile-system CD9660 # ISO 9660 + Rock Ridge file system 1481.1Seehfile-system UNION # union file system 1491.1Seehfile-system MSDOSFS # MS-DOS FAT filesystem(s). 1501.1Seeh 1511.1Seeh## File system options. 1521.1Seehoptions NFSSERVER # Sun NFS-compatible filesystem server 1531.1Seehoptions QUOTA # FFS quotas 1541.1Seeh#options FFS_EI # FFS Endian Independent support 1551.20Sfvdl#options SOFTDEP # FFS soft updates support. 1561.1Seeh 1571.21Sitojun# Pull in config fragments for kernel crypto. This is required for 1581.21Sitojun# options IPSEC etc. to work. If you want to run with IPSEC, uncomment 1591.21Sitojun# one of these, based on whether you use crypto-us or crypto-intl, and 1601.21Sitojun# adjust the prefixes as necessary. 1611.21Sitojun 1621.21Sitojun#prefix ../crypto-us/sys 1631.21Sitojun#cinclude "conf/files.crypto-us" 1641.21Sitojun#prefix 1651.21Sitojun 1661.21Sitojun#prefix ../crypto-intl/sys 1671.21Sitojun#cinclude "conf/files.crypto-intl" 1681.21Sitojun#prefix 1691.21Sitojun 1701.1Seeh## Network protocol support. In most environments, INET is required. 1711.1Seehoptions INET # IP (Internet Protocol) v4 1721.21Sitojunoptions INET6 # IPV6 1731.21Sitojun#options IPSEC # IP security 1741.21Sitojun#options IPSEC_ESP # IP security (encryption part; define w/IPSEC) 1751.21Sitojun#options IPSEC_DEBUG # debug for IP security 1761.1Seehoptions TCP_COMPAT_42 # 4.2BSD IP implementation compatibility 1771.1Seeh#options GATEWAY # packet forwarding ("router switch") 1781.9Smrgoptions MROUTING # packet forwarding of multicast packets 1791.1Seeh#options DIRECTED_BROADCAST # allow broadcasts through routers 1801.1Seehoptions NS # Xerox NS networking 1811.1Seeh#options NSIP # Xerox NS tunneling over IP 1821.1Seehoptions ISO,TPIP # OSI networking 1831.1Seehoptions EON # OSI tunneling over IP 1841.1Seeh#options CCITT,LLC,HDLC # X.25 packet switched protocol 1851.1Seehoptions NETATALK # AppleTalk (over Ethernet) protocol 1861.9Smrgoptions NTP # Network Time Protocol in-kernel support 1871.1Seeh#options PPS_SYNC # Add serial line synchronization for NTP 1881.9Smrgoptions PFIL_HOOKS # Add pfil(9) hooks, intended for custom LKMs. 1891.9Smrgoptions IPFILTER_LOG # Add ipmon(8) logging for ipfilter device 1901.9Smrgoptions PPP_BSDCOMP # Add BSD compression to ppp device 1911.9Smrgoptions PPP_DEFLATE # Add deflate (libz) compression to ppp device 1921.9Smrgoptions PPP_FILTER # Add active filters for ppp (via bpf) 1931.1Seeh 1941.1Seeh 1951.1Seeh#### Main bus and CPU .. all systems. 1961.1Seehmainbus0 at root 1971.1Seehcpu0 at mainbus0 1981.1Seeh 1991.1Seeh#### Bus types found on SPARC systems. 2001.1Seeh 2011.10Seehsbus0 at mainbus0 # Ultra 1 2021.1Seeh#upa0 at mainbus0 # Ultra 1E, Ultra 2, Ex0000 2031.16Seehpsycho* at mainbus0 # Darwin, Ultra5 2041.16Seehpci* at psycho? 2051.16Seehpci* at simba? 2061.16Seehsimba* at pci? dev ? function ? # `APB' support. 2071.16Seehebus* at pci? # ebus devices 2081.1Seeh 2091.1Seeh#### Standard system devices -- all required for a given architecture 2101.1Seeh 2111.10Seeh## Auxiliary system registers -- We use the OBP for power management 2121.3Smrg#auxreg0 at sbus0 2131.10Seeh#auxreg0 at pci0 2141.1Seeh 2151.1Seeh# We also need: 2161.1Seeh# bpp0 at sbus0 # parallel port 2171.10Seeh# ecpp0 at pci0 # parallel port ? 2181.16Seehlpt* at ebus? # parallel port 2191.1Seeh 2201.9Smrg## Mostek clock found on 4/300, sun4c, sun4m and sun4u systems. 2211.1Seeh## The Mostek clock NVRAM is the "eeprom" on sun4/300 systems. 2221.3Smrgclock0 at sbus0 slot ? offset ? 2231.16Seehclock0 at ebus? 2241.1Seeh 2251.9Smrg## Timer chip found on 4/300, sun4c, sun4m and sun4u systems. 2261.1Seehtimer0 at mainbus0 # sun4c 2271.1Seeh 2281.1Seeh#### Serial port configuration 2291.1Seeh 2301.1Seeh## Zilog 8530 serial chips. Each has two-channels. 2311.1Seeh## zs0 is ttya and ttyb. zs1 is the keyboard and mouse. 2321.3Smrgzs0 at sbus0 slot ? offset ? 2331.1Seehzstty0 at zs0 channel 0 # ttya 2341.1Seehzstty1 at zs0 channel 1 # ttyb 2351.1Seeh 2361.3Smrgzs1 at sbus0 slot ? offset ? 2371.1Seehkbd0 at zs1 channel 0 # keyboard 2381.1Seehms0 at zs1 channel 1 # mouse 2391.1Seeh 2401.10Seeh## PCI machines apparently have serial ports 2411.16Seeh## Siemens SAB82532 controller: ttya and ttyb (sab) 2421.16Seeh## Part of NS PC87332VLJ Super I/O controller: kbd/mouse (com) 2431.16Seeh 2441.16Seeh## These are two SAB82532 controllers 2451.16Seeh#sab0 at ebus? # ttya/ttyb 2461.16Seeh#sabtty0 at sab0 channel 0 # ttya 2471.16Seeh#sabtty1 at sab0 channel 1 # ttyb 2481.10Seeh 2491.10Seeh## Part of a PC87332VLJ? 2501.16Seeh#ucom0 at ebus? addr 0x3083f8 # `com' driver 2511.16Seeh#ucom1 at ebus? addr 0x3062f8 # 2521.16Seeh#ucom0 at ebus? # `com' driver 2531.16Seeh#ucom1 at ebus? # 2541.16Seeh#kbd0 at ucom0 channel 0 # keyboard 2551.16Seeh#ms0 at ucom1 channel 1 # mouse 2561.10Seeh 2571.1Seeh#### Disk controllers and disks 2581.1Seeh 2591.1Seeh## The following flags may be set for the NCR53c94 based esp driver: 2601.1Seeh## bits 0-7: disable disconnect/reselect for the corresponding target 2611.1Seeh## bits 8-15: disable synchronous negotiation for target [bit-8] 2621.1Seeh 2631.9Smrg## sun4/300, sun4c, sun4m and sun4u on-board SCSI, and FSBE/S SBus SCSI cards. 2641.1Seeh## Both `dma' and `esp' are needed in all cases. 2651.1Seeh## Two kinds of additional SBus SCSI interfaces are available. One uses 2661.1Seeh## "esp at sbus" like the sun4c on-board; the other uses "esp at dma". 2671.1Seeh 2681.1Seeh## sun4/300 SCSI - an NCR53c94 or equivalent behind 2691.1Seeh## an LSI Logic DMA controller 2701.1Seeh 2711.9Smrgdma0 at sbus0 slot ? offset ? # sun4c/sun4m/sun4u 2721.9Smrgesp0 at dma0 flags 0x0000 # sun4m/sun4u 2731.10Seehscsibus* at esp? 2741.1Seeh 2751.1Seeh# FSBE/S SCSI 2761.1Seehdma* at sbus? slot ? offset ? # SBus 2771.1Seehesp* at dma? flags 0x0000 # SBus 2781.1Seeh 2791.1Seehscsibus* at esp? 2801.1Seeh 2811.1Seeh## Qlogic ISP SBus SCSI Card 2821.5Smrgisp* at sbus? slot ? offset ? 2831.5Smrgscsibus* at isp? 2841.1Seeh 2851.9Smrg## FAS support missing 2861.9Smrg#fas* at sbus? slot ? offset ? 2871.9Smrg#scsibus* at fas? 2881.9Smrg 2891.10Seeh## GLM support is missing 2901.10Seeh#scsi* at pci? # 53C875 "glm" compatible 2911.10Seeh 2921.1Seeh## These entries find devices on all SCSI busses and assign 2931.1Seeh## unit numbers dynamically. 2941.1Seehsd* at scsibus? target ? lun ? # SCSI disks 2951.1Seehst* at scsibus? target ? lun ? # SCSI tapes 2961.1Seehcd* at scsibus? target ? lun ? # SCSI CD-ROMs 2971.1Seehch* at scsibus? target ? lun ? # SCSI changer devices 2981.1Seehss* at scsibus? target ? lun ? # SCSI scanners 2991.1Seehuk* at scsibus? target ? lun ? # unknown SCSI 3001.16Seeh 3011.16Seeh# PCI IDE. 3021.16Seehpciide* at pci ? dev ? function ? flags 0x0000 3031.16Seehwd* at pciide? channel ? drive ? flags 0x0000 3041.16Seehatapibus* at pciide? channel ? 3051.16Seeh 3061.16Seehcd* at atapibus? drive ? flags 0x0000 # ATAPI CD-ROM drives 3071.16Seehsd* at atapibus? drive ? flags 0x0000 # ATAPI disk drives 3081.16Seehuk* at atapibus? drive ? flags 0x0000 # ATAPI unknown 3091.1Seeh 3101.1Seeh## Floppy controller and drive found on SPARCstations. 3111.1Seeh 3121.9Smrg# need share with the sparc...uses auxreg. what is this on sparc64? 3131.3Smrg#fdc0 at sbus0 slot ? offset ? 3141.10Seeh#fdc0 at pci? # Called fdthree? 3151.9Smrg#fd* at fdc0 # the drive itself 3161.1Seeh 3171.1Seeh## A disk-like interface to files. Can be used to create floppy, CD, 3181.1Seeh## miniroot images, etc. 3191.1Seeh 3201.1Seehpseudo-device vnd 4 3211.1Seeh 3221.1Seeh## Concatenated and striped disks; with this, you can create a software-based 3231.1Seeh## disk array similar to a "RAID 0" setup. See ccd(4). 3241.1Seeh 3251.1Seehpseudo-device ccd 4 3261.7Soster 3271.7Soster## RAIDframe disk driver: software RAID driver. See raid(4). 3281.7Soster 3291.9Smrgpseudo-device raid 4 3301.1Seeh 3311.1Seeh## Memory disk device, used on boot floppies with compressed 3321.1Seeh## kernel-plus-root-disk images. 3331.1Seeh 3341.9Smrgpseudo-device md 1 3351.1Seeh 3361.1Seeh 3371.1Seeh#### Network interfaces 3381.1Seeh 3391.1Seeh## LANCE Ethernet - an AMD 7990 LANCE behind specialized DMA glue 3401.1Seeh## Three flavors of additional SBus ethernets are available. One attaches 3411.1Seeh## directly like the sun4c on-board, one uses the ledma device like the 3421.1Seeh## sun4m on-board, and one uses the lebuffer device. 3431.1Seeh 3441.1Seehledma0 at sbus0 slot ? offset ? # sun4m on-board 3451.1Seehle0 at ledma0 # sun4m on-board 3461.1Seehle* at sbus? slot ? offset ? # SBus 3471.1Seehledma* at sbus? slot ? offset ? # SBus 3481.1Seehle* at ledma? # SBus 3491.1Seehlebuffer0 at sbus? slot ? offset ? # SBus 3501.1Seehle0 at lebuffer? # SBus 3511.1Seehlebuffer* at sbus? slot ? offset ? # SBus 3521.1Seehle* at lebuffer? # SBus 3531.1Seeh 3541.10Seeh## HME not supported yet 3551.10Seeh#hme* at sbus0 slot ? offset ? 3561.10Seeh#network* at pci? # "hme" compatible 3571.10Seeh 3581.9Smrg## qec/be, qec/hme 3591.9Smrgqec* at sbus? slot ? offset ? 3601.9Smrgbe* at qec? 3611.9Smrgqe* at qec? 3621.1Seeh 3631.1Seeh## Loopback network interface; required 3641.1Seehpseudo-device loop 3651.1Seeh 3661.1Seeh## SLIP and CSLIP interfaces, for IP over a serial line. 3671.1Seehpseudo-device sl 2 3681.1Seeh 3691.1Seeh## PPP, the successor to SLIP. See pppd(8). 3701.1Seehpseudo-device ppp 2 3711.1Seeh 3721.1Seeh## Starmode Radio IP, a special hardware network device. 3731.9Smrgpseudo-device strip 1 3741.1Seeh 3751.1Seeh## Network "tunnel" device, allowing protocol stacks to run in the userland. 3761.1Seeh## This is used by the third-party user-mode "ppp" program, and others. 3771.1Seehpseudo-device tun 4 3781.8Shwr 3791.8Shwr## Generic L3 over IP tunnel 3801.8Shwr#pseudo-device gre 2 # generic L3 over IP tunnel 3811.1Seeh 3821.1Seeh## Berkeley Packet Filter, required to run RARPD. A generic C-language 3831.1Seeh## interface that allows selective examining of incoming packets. 3841.1Seehpseudo-device bpfilter 8 3851.1Seeh 3861.1Seeh## IP Filter, used in firewall and NAT applications. See ipnat(8) for 3871.1Seeh## one example of the use of the IP Filter. 3881.1Seehpseudo-device ipfilter 3891.21Sitojun 3901.21Sitojun## for IPv6 3911.21Sitojunpseudo-device gif 4 # IPv[46] over IPv[46] tunnel (RFC1933) 3921.21Sitojun#pseudo-device faith 1 # IPv[46] tcp relay translation i/f 3931.1Seeh 3941.1Seeh 3951.1Seeh#### Audio and video devices 3961.1Seeh 3971.9Smrg## /dev/audio support (`audiocs' plus `audio') 3981.1Seeh## 3991.9Smrgaudiocs0 at sbus0 slot ? offset ? # SUNW,CS4231 4001.9Smrgaudio* at audiocs0 4011.1Seeh 4021.1Seeh 4031.1Seeh## Sun "bwtwo" black and white framebuffer, found on sun4, sun4c, and sun4m 4041.1Seeh## systems. If your sun4 system has a cgfour installed in the P4 slot, 4051.1Seeh## the P4 entries for "bwtwo" will attach to the overlay plane of the 4061.1Seeh## "cgfour". 4071.1Seeh 4081.3Smrg#bwtwo0 at sbus0 slot ? offset ? # sun4c and sun4m 4091.3Smrg#bwtwo* at sbus? slot ? offset ? # 4101.1Seeh 4111.1Seeh## Sun "cgthree" Sbus color framebuffer 4121.3Smrg#cgthree0 at sbus? slot ? offset ? 4131.3Smrg#cgthree* at sbus? slot ? offset ? 4141.1Seeh 4151.1Seeh## Sun "cgsix" accelerated color framebuffer. 4161.1Seehcgsix0 at sbus? slot ? offset ? 4171.1Seehcgsix* at sbus? slot ? offset ? 4181.1Seeh 4191.1Seeh## Sun "tcx" accelerated color framebuffer. 4201.3Smrg#tcx0 at sbus? slot ? offset ? 4211.3Smrg#tcx* at sbus? slot ? offset ? 4221.1Seeh 4231.1Seeh# Sun "cgfourteen" accelerated 24-bit framebuffer. 4241.3Smrg#cgfourteen0 at obio0 # sun4m 4251.1Seeh 4261.10Seeh## Sun FFB not supported 4271.10Seeh#ffb* at upa? 4281.1Seeh 4291.1Seeh#### Other device configuration 4301.1Seeh 4311.1Seeh## Pseudo ttys, required for network logins and programs like screen. 4321.1Seeh## 32 is a good number for average systems; you may have as many as you 4331.1Seeh## like, though 256 is more or less the upper limit. Increasing this 4341.1Seeh## number still requires you to run /dev/MAKEDEV to create the files 4351.1Seeh## for the ptys. 4361.1Seeh 4371.9Smrgpseudo-device pty 64 # pseudo-ttys (for network, etc.) 4381.1Seeh 4391.1Seeh## Random device, used to implement /dev/random (a source of random noise), 4401.1Seeh## and generate randomness for some kernel formulae. 4411.1Seeh## THIS DEVICE IS EXPERIMENTAL; use at your own risk. 4421.1Seeh 4431.9Smrgpseudo-device rnd 444