RAMDISK revision 1.7
1# $NetBSD: RAMDISK,v 1.7 2001/11/26 17:51:08 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 KGDB_DEV=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# Compatibility options 47#options COMPAT_SUNOS # can run SunOS 4.1.1 executables 48#options COMPAT_43 # and 4.3BSD and ... 49#options COMPAT_AOUT_M68K # support for NetBSD a.out executables 50#options TCP_COMPAT_42 # 4.2BSD TCP/IP bug compat. Not recommended. 51options EXEC_AOUT # support for a.out executables 52 53# Filesystem options 54file-system FFS # Berkeley Fast Filesystem 55file-system NFS # Sun NFS client support 56file-system CD9660 # ISO 9660 + Rock Ridge file system 57#file-system FDESC # /dev/fd/* 58#file-system KERNFS # /kern 59#file-system NULLFS # loopback file system 60#file-system OVERLAY # overlay file system 61#file-system PROCFS # /proc 62#file-system UNION # union file system 63#file-system MFS # memory-based filesystem 64 65#options NFSSERVER # nfs server support 66#options QUOTA # FFS quotas 67#options FFS_EI # FFS Endian Independant support 68#options SOFTDEP # FFS soft updates support. 69 70# Networking options 71options INET # IP prototol stack support 72#options INET6 # IPV6 73#options IPSEC # IP security 74#options IPSEC_ESP # IP security (encryption part; define w/IPSEC) 75#options IPSEC_DEBUG # debug for IP security 76#options GATEWAY # IP packet forwarding 77#options ISO,TPIP # OSI networking 78#options EON # OSI tunneling over IP 79#options CCITT,LLC,HDLC # X.25 80#options PFIL_HOOKS # pfil(9) packet filter hooks. 81#options TCP_DEBUG # Record last TCP_NDEBUG packets with SO_DEBUG 82 83# Work-around for root on slow servers (insurance...) 84#options NFS_BOOT_RWSIZE=1024 85#options NFS_BOOT_BOOTPARAM 86 87# Enable the hooks used for initializing the root memory-disk. 88options MEMORY_DISK_HOOKS 89options MEMORY_DISK_IS_ROOT # force root on memory disk 90options MEMORY_DISK_SERVER=0 # no userspace memory disk support 91options MINIROOTSIZE=800 # size of memory disk, in blocks 92 93config netbsd root on ? type ffs 94 95#### Main bus. 96mainbus0 at root 97 98#### Bus types. 99 100obio0 at mainbus? # all Sun-2 101obmem0 at mainbus? # all Sun-2 102mbmem0 at mainbus? # 2/120, 2/170 103mbio0 at mainbus? # 2/120, 2/170 104sun68kvme0 at mainbus? # 2/50, 2/130, 2/160 105vme0 at sun68kvme0 # mi VME attachment 106 107#### Standard system devices. 108 109## The AM9513 clock chip. 110clock0 at obio0 addr 0x002800 # 2/120, 2/170 111clock0 at obio0 addr 0x7f2800 # 2/50, 2/130, 2/160 112 113## The MM58167 time-of-day chip. 114tod0 at obio0 addr 0x003800 # 2/120, 2/170 115tod0 at vme0 addr 0x200800 # 2/50, 2/130, 2/160 116 117#### Serial port configuration. 118 119## Zilog 8530 serial chips. Each has two channels. 120## zs0 is ttya and ttyb. zs1 is the keyboard and mouse. 121## zs0 is REQUIRED to use KGDB. 122zs0 at obio0 addr 0x002000 # 2/120, 2/170 123zs0 at obio0 addr 0x7f2000 # 2/50 124zs1 at obmem0 addr 0x780000 # 2/120, 2/170 125zs1 at obio0 addr 0x7f1800 # 2/50 126zs2 at mbmem0 addr 0x080800 # 2/120, 2/170 (first sc SCSI) 127zs3 at mbmem0 addr 0x081000 # 2/120, 2/170 (first sc SCSI) 128zs4 at mbmem0 addr 0x084800 # 2/120, 2/170 (second sc SCSI) 129zs5 at mbmem0 addr 0x085000 # 2/120, 2/170 (second sc SCSI) 130zstty* at zs? channel ? # ttya 131kbd0 at zstty? # keyboard 132#ms0 at zstty? # mouse 133 134#### Disk controllers and disks. 135 136## PAL+logic-based "Sun SCSI 2" Multibus/VME SCSI controller. 137## This driver has several flags which may be enabled using 138## the "flags" directive. Valid flags are: 139## 140## 0x0ff Set (1<<target) to disable parity checking 141## 0x100 Set this bit to disable DMA interrupts (poll) 142## 0x200 Set this bit to disable DMA entirely (use PIO) 143## 144## For example: "flags 0x10f" would disable DMA interrupts, 145## and disable parity for targets 0-3 146 147sc0 at mbmem0 addr 0x80000 ipl 2 flags 0xff 148sc0 at vme0 addr 0x200000 irq 2 vect 0x40 flags 0xff 149sc1 at mbmem0 addr 0x84000 ipl 2 flags 0xff 150 151## NCR5380-based "Sun SCSI 3" VME SCSI controller. 152## This driver has several flags which may be enabled by OR'ing 153## the values and using the "flags" directive. 154## Valid flags are: 155## 156## 0x01 Use DMA (may be polled) 157## 0x02 Use DMA completion interrupts 158## 0x04 Allow disconnect/reselect 159## 160## E.g. the following would enable DMA, interrupts, and reselect: 161## si0 at vme0 addr 0x200000 ipl 3 vect 0x40 flags 0x07 162## 163## By default, DMA is enabled in the driver. 164 165si0 at vme0 addr 0x200000 irq 2 vect 0x40 166 167## These entries find devices on all SCSI busses and assign 168## unit numbers dynamically. 169scsibus* at sc? 170scsibus* at si? 171sd* at scsibus? target ? lun ? # SCSI disks 172st* at scsibus? target ? lun ? # SCSI tapes 173cd* at scsibus? target ? lun ? # SCSI CD-ROMs 174#ch* at scsibus? target ? lun ? # SCSI changer devices 175#ss* at scsibus? target ? lun ? # SCSI scanners 176#ses* at scsibus? target ? lun ? # SCSI SES/SAF-TE 177#uk* at scsibus? target ? lun ? # unknown SCSI 178 179## Xylogics 450 or 451 Multibus/VME SMD disk controllers and disks. 180#xyc0 at mbio0 addr 0xee40 ipl 2 181xyc0 at vme0 addr 0xee40 irq 2 vect 0x48 182#xyc1 at mbio0 addr 0xee48 ipl 2 183xyc1 at vme0 addr 0xee48 irq 2 vect 0x49 184xy* at xyc? drive ? 185 186## Memory-disk device. 187pseudo-device md 2 188 189#### Network interfaces. 190 191## Intel Ethernet (onboard, or Multibus/VME) 192ie0 at obio0 addr 0x7f0800 ipl 3 # 2/50 193ie0 at mbmem0 addr 0x88000 ipl 3 194ie1 at mbmem0 addr 0x8c000 ipl 3 195## VME: the first [addr,len] pair specifies the device registers; 196## the second pair specifies the on-board memory buffer 197ie1 at vme0 addr 0xe88000,0xe00000 len -1,0x40000 irq 3 vect 0x75 198 199## 3Com Ethernet (Multibus only) 200ec0 at mbmem0 addr 0xe0000 ipl 3 201ec1 at mbmem0 addr 0xe2000 ipl 3 202 203## Frame buffers. 204 205## Sun "bwtwo" black and white framebuffer. 206#bwtwo0 at obmem0 addr 0x700000 # 2/120, 2/170 207#bwtwo0 at obio0 addr 0x0 # 2/50 208 209## PROM console driver -- if all else fails 210pcons0 at mainbus0 # PROM console 211 212#### Miscellaneous. 213pseudo-device loop 1 # network loopback 214#pseudo-device bpfilter 8 # packet filter 215pseudo-device sl 2 # CSLIP 216#pseudo-device ppp 2 # PPP 217#pseudo-device tun 2 # network tunneling over tty 218#pseudo-device gre 2 # generic L3 over IP tunnel 219#pseudo-device ipfilter # ip filter 220#pseudo-device gif 4 # IPv[46] over IPv[46] tunnel (RFC1933) 221#pseudo-device faith 1 # IPv[46] tcp relay translation i/f 222#pseudo-device stf 1 # 6to4 IPv6 over IPv4 encapsulation 223# rnd is EXPERIMENTAL 224#pseudo-device rnd # /dev/random and in-kernel generator 225 226pseudo-device pty 4 # pseudo-terminals 227#pseudo-device vnd 4 # paging to files 228#pseudo-device ccd 4 # concatenated disks 229#pseudo-device raid 4 # RAIDframe disk driver 230#options RAID_AUTOCONFIG # auto-configuration of RAID components 231