RAMDISK revision 1.1
1# $NetBSD: RAMDISK,v 1.1 2001/05/03 15:39:48 fredette Exp $ 2 3# RAMDISK: Root/swap on ramdisk 4# This kernel is used to: 5# format the disk (not yet implemented) 6# partition the disk (disklabel) 7# install the miniroot in the swap partition 8 9# GENERIC Sun2 (2/120, 2/170, 2/50, ...) 10# Supports root on: ie0, sd*, ... 11 12include "arch/sun2/conf/std.sun2" 13 14# Machines to be supported by this kernel 15#options FPU_EMULATE 16 17# Needs to be set per system. i.e change these as you see fit 18maxusers 2 19 20# Standard system options 21#options KTRACE # system call tracing 22#options SYSVMSG # System V message queues 23#options SYSVSEM # System V semaphores 24#options SYSVSHM # System V shared memory 25#options SHMMAXPGS=1024 # 1024 pages is the default 26#options LKM # loadable kernel modules 27#options INSECURE # disable kernel security level 28#options UCONSOLE # Allow non-root TIOCCONS 29 30# Which kernel debugger? Uncomment either this: 31#options DDB 32# ... or these for KGDB (gdb remote target) 33#makeoptions DEBUG="-g" # debugging symbols for gdb 34#options KGDB 35#options KGDBDEV=0x0C00 # ttya=0C00 ttyb=0C01 36 37# Other debugging options 38#options DDB_HISTORY_SIZE=100 # enable history editing in DDB 39#options DEBUG # kernel debugging code 40#options DIAGNOSTIC # extra kernel sanity checking 41#options KMEMSTATS # kernel memory statistics (vmstat -m) 42#options PMAP_DEBUG 43#options SCSIDEBUG 44#options SCSIVERBOSE # Verbose SCSI errors 45 46# Compatability options 47#options COMPAT_SUNOS # can run SunOS 4.1.1 executables 48#options COMPAT_43 # and 4.3BSD and ... 49 50# Filesystem options 51file-system FFS # Berkeley Fast Filesystem 52file-system NFS # Sun NFS client support 53file-system CD9660 # ISO 9660 + Rock Ridge file system 54#file-system FDESC # /dev/fd/* 55#file-system KERNFS # /kern 56#file-system NULLFS # loopback file system 57#file-system OVERLAY # overlay file system 58#file-system PROCFS # /proc 59#file-system UNION # union file system 60#file-system MFS # memory-based filesystem 61 62#options NFSSERVER # nfs server support 63#options QUOTA # FFS quotas 64options FFS_EI # FFS Endian Independant support 65#options SOFTDEP # FFS soft updates support. 66 67# Networking options 68options INET # IP prototol stack support 69#options INET6 # IPV6 70#options IPSEC # IP security 71#options IPSEC_ESP # IP security (encryption part; define w/IPSEC) 72#options IPSEC_DEBUG # debug for IP security 73options TCP_COMPAT_42 # compatibility with 4.2BSD TCP/IP 74#options GATEWAY # IP packet forwarding 75#options ISO,TPIP # OSI networking 76#options EON # OSI tunneling over IP 77#options CCITT,LLC,HDLC # X.25 78#options PFIL_HOOKS # pfil(9) packet filter hooks. 79 80# Work-around for root on slow servers (insurance...) 81#options NFS_BOOT_RWSIZE=1024 82#options NFS_BOOT_BOOTPARAM 83 84# Enable the hooks used for initializing the root memory-disk. 85options MEMORY_DISK_HOOKS 86options MEMORY_DISK_IS_ROOT # force root on memory disk 87options MEMORY_DISK_SERVER=0 # no userspace memory disk support 88options MINIROOTSIZE=800 # size of memory disk, in blocks 89 90config netbsd root on ? type ffs 91 92#### Main bus. 93mainbus0 at root 94 95#### Bus types. 96 97obio0 at mainbus? # all Sun-2 98obmem0 at mainbus? # all Sun-2 99mbmem0 at mainbus? # 2/120, 2/170 100mbio0 at mainbus? # 2/120, 2/170 101#sun2vme0 at mainbus? # 2/50, 2/130, 2/160 102#vme0 at sun2vme0 # mi VME attachment 103 104#### Standard system devices. 105 106## The AM9513 clock chip. 107clock0 at obio0 addr 0x002800 # 2/120, 2/170 108 109## The MM58167 time-of-day chip. 110tod0 at obio0 addr 0x003800 # 2/120, 2/170 111#tod0 at vme0 addr 0x200800 # 2/50, 2/130, 2/160 112 113#### Serial port configuration. 114 115## Zilog 8530 serial chips. Each has two-channels. 116## zs0 is ttya and ttyb. zs1 is the keyboard and mouse. 117## zs0 is REQUIRED to use KGDB. 118zs0 at obio0 addr 0x002000 # 2/120, 2/170 119#zs0 at obio0 addr 0x7f2000 # 2/50 120zstty0 at zs0 channel 0 # ttya 121zstty1 at zs0 channel 1 # ttyb 122 123zs1 at obmem0 addr 0x780000 # 2/120, 2/170 124#zs1 at obio0 addr 0x7f1800 # 2/50 125kbd0 at zs1 channel 0 # keyboard 126#ms0 at zs1 channel 1 # mouse 127 128zs2 at mbmem0 addr 0x080800 # 2/120, 2/170 (first sc SCSI) 129zstty2 at zs2 channel 0 # ttyc 130zstty3 at zs2 channel 1 # ttyd 131 132zs3 at mbmem0 addr 0x081000 # 2/120, 2/170 (first sc SCSI) 133zstty4 at zs3 channel 0 # ttye 134zstty5 at zs3 channel 1 # ttyf 135 136zs4 at mbmem0 addr 0x084800 # 2/120, 2/170 (second sc SCSI) 137zstty6 at zs4 channel 0 # ttyg 138zstty7 at zs4 channel 1 # ttyh 139 140zs5 at mbmem0 addr 0x085000 # 2/120, 2/170 (second sc SCSI) 141zstty8 at zs4 channel 0 # ttyi 142zstty9 at zs4 channel 1 # ttyj 143 144#### Disk controllers and disks. 145 146## PAL+logic-based "Sun SCSI 2" Multibus/VME SCSI controller. 147## This driver has several flags which may be enabled using 148## the "flags" directive. Valid flags are: 149## 150## 0x0ff Set (1<<target) to disable parity checking 151## 0x100 Set this bit to disable DMA interrupts (poll) 152## 0x200 Set this bit to disable DMA entirely (use PIO) 153## 154## For example: "flags 0x10f" would disable DMA interrupts, 155## and disable parity for targets 0-3 156 157sc0 at mbmem0 addr 0x80000 ipl 2 flags 0xff 158#sc0 at vme0 addr 0x200000 ipl 2 vect 0x40 flags 0xff 159sc1 at mbmem0 addr 0x84000 ipl 2 flags 0xff 160 161## NCR5380-based "Sun SCSI 3" VME SCSI controller. 162## This driver has several flags which may be enabled by OR'ing 163## the values and using the "flags" directive. 164## Valid flags are: 165## 166## 0x01 Use DMA (may be polled) 167## 0x02 Use DMA completion interrupts 168## 0x04 Allow disconnect/reselect 169## 170## E.g. the following would enable DMA, interrupts, and reselect: 171## si0 at vme0 addr 0x200000 ipl 3 vect 0x40 flags 0x07 172## 173## By default, DMA is enabled in the driver. 174 175#si0 at vme0 addr 0x200000 ipl 2 vect 0x40 176 177## These entries find devices on all SCSI busses and assign 178## unit numbers dynamically. 179scsibus* at sc? 180#scsibus* at si? 181sd* at scsibus? target ? lun ? # SCSI disks 182st* at scsibus? target ? lun ? # SCSI tapes 183cd* at scsibus? target ? lun ? # SCSI CD-ROMs 184#ch* at scsibus? target ? lun ? # SCSI changer devices 185#ss* at scsibus? target ? lun ? # SCSI scanners 186#ses* at scsibus? target ? lun ? # SCSI SES/SAF-TE 187#uk* at scsibus? target ? lun ? # unknown SCSI 188 189## Xylogics 450 or 451 Multibus/VME SMD disk controllers and disks. 190#xyc0 at mbio0 addr 0xee40 ipl 2 191#xyc0 at vme0 addr 0xee40 ipl 2 vect 0x48 192#xyc1 at mbio0 addr 0xee48 ipl 2 193#xyc1 at vme0 addr 0xee48 ipl 2 vect 0x49 194#xy* at xyc? drive ? 195 196## Memory-disk device. 197pseudo-device md 2 198 199#### Network interfaces. 200 201## Intel Ethernet (onboard, or Multibus/VME) 202#ie0 at obio0 0x7f0800 ipl 3 # 2/50 203ie0 at mbmem0 addr 0x88000 ipl 3 204 205## Frame buffers. 206 207## Sun "bwtwo" black and white framebuffer. 208#bwtwo0 at obmem0 addr 0x00700000 # 2/120, 2/170 209#bwtwo0 at obio0 addr 0x0 # 2/50 210 211#### Miscellaneous. 212pseudo-device loop 1 # network loopback 213#pseudo-device bpfilter 8 # packet filter 214pseudo-device sl 2 # CSLIP 215#pseudo-device ppp 2 # PPP 216#pseudo-device tun 2 # network tunneling over tty 217#pseudo-device gre 2 # generic L3 over IP tunnel 218#pseudo-device ipfilter # ip filter 219#pseudo-device gif 4 # IPv[46] over IPv[46] tunnel (RFC1933) 220#pseudo-device faith 1 # IPv[46] tcp relay translation i/f 221#pseudo-device stf 1 # 6to4 IPv6 over IPv4 encapsulation 222# rnd is EXPERIMENTAL 223#pseudo-device rnd # /dev/random and in-kernel generator 224 225#pseudo-device pty 32 # pseudo-terminals 226#pseudo-device vnd 4 # paging to files 227#pseudo-device ccd 4 # concatenated disks 228#pseudo-device raid 4 # RAIDframe disk driver 229#options RAID_AUTOCONFIG # auto-configuration of RAID components 230