RAMDISK revision 1.3
1# $NetBSD: RAMDISK,v 1.3 2001/06/27 16:51:21 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# Compatibility options 47#options COMPAT_SUNOS # can run SunOS 4.1.1 executables 48#options COMPAT_43 # and 4.3BSD and ... 49options COMPAT_AOUT_M68K # support for NetBSD a.out executables 50options EXEC_AOUT # support for a.out executables 51 52# Filesystem options 53file-system FFS # Berkeley Fast Filesystem 54file-system NFS # Sun NFS client support 55file-system CD9660 # ISO 9660 + Rock Ridge file system 56#file-system FDESC # /dev/fd/* 57#file-system KERNFS # /kern 58#file-system NULLFS # loopback file system 59#file-system OVERLAY # overlay file system 60#file-system PROCFS # /proc 61#file-system UNION # union file system 62#file-system MFS # memory-based filesystem 63 64#options NFSSERVER # nfs server support 65#options QUOTA # FFS quotas 66options FFS_EI # FFS Endian Independant support 67#options SOFTDEP # FFS soft updates support. 68 69# Networking options 70options INET # IP prototol stack support 71#options INET6 # IPV6 72#options IPSEC # IP security 73#options IPSEC_ESP # IP security (encryption part; define w/IPSEC) 74#options IPSEC_DEBUG # debug for IP security 75options TCP_COMPAT_42 # compatibility with 4.2BSD TCP/IP 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 82# Work-around for root on slow servers (insurance...) 83#options NFS_BOOT_RWSIZE=1024 84#options NFS_BOOT_BOOTPARAM 85 86# Enable the hooks used for initializing the root memory-disk. 87options MEMORY_DISK_HOOKS 88options MEMORY_DISK_IS_ROOT # force root on memory disk 89options MEMORY_DISK_SERVER=0 # no userspace memory disk support 90options MINIROOTSIZE=800 # size of memory disk, in blocks 91 92config netbsd root on ? type ffs 93 94#### Main bus. 95mainbus0 at root 96 97#### Bus types. 98 99obio0 at mainbus? # all Sun-2 100obmem0 at mainbus? # all Sun-2 101mbmem0 at mainbus? # 2/120, 2/170 102mbio0 at mainbus? # 2/120, 2/170 103sun68kvme0 at mainbus? # 2/50, 2/130, 2/160 104vme0 at sun68kvme0 # mi VME attachment 105 106#### Standard system devices. 107 108## The AM9513 clock chip. 109clock0 at obio0 addr 0x002800 # 2/120, 2/170 110clock0 at obio0 addr 0x7f2800 # 2/50, 2/130, 2/160 111 112## The MM58167 time-of-day chip. 113tod0 at obio0 addr 0x003800 # 2/120, 2/170 114tod0 at vme0 addr 0x200800 # 2/50, 2/130, 2/160 115 116#### Serial port configuration. 117 118## Zilog 8530 serial chips. Each has two channels. 119## zs0 is ttya and ttyb. zs1 is the keyboard and mouse. 120## zs0 is REQUIRED to use KGDB. 121zs0 at obio0 addr 0x002000 # 2/120, 2/170 122zs0 at obio0 addr 0x7f2000 # 2/50 123zs1 at obmem0 addr 0x780000 # 2/120, 2/170 124zs1 at obio0 addr 0x7f1800 # 2/50 125zs2 at mbmem0 addr 0x080800 # 2/120, 2/170 (first sc SCSI) 126zs3 at mbmem0 addr 0x081000 # 2/120, 2/170 (first sc SCSI) 127zs4 at mbmem0 addr 0x084800 # 2/120, 2/170 (second sc SCSI) 128zs5 at mbmem0 addr 0x085000 # 2/120, 2/170 (second sc SCSI) 129zstty* at zs? channel ? # ttya 130kbd0 at zstty? # keyboard 131#ms0 at zstty? # mouse 132 133#### Disk controllers and disks. 134 135## PAL+logic-based "Sun SCSI 2" Multibus/VME SCSI controller. 136## This driver has several flags which may be enabled using 137## the "flags" directive. Valid flags are: 138## 139## 0x0ff Set (1<<target) to disable parity checking 140## 0x100 Set this bit to disable DMA interrupts (poll) 141## 0x200 Set this bit to disable DMA entirely (use PIO) 142## 143## For example: "flags 0x10f" would disable DMA interrupts, 144## and disable parity for targets 0-3 145 146sc0 at mbmem0 addr 0x80000 ipl 2 flags 0xff 147sc0 at vme0 addr 0x200000 irq 2 vect 0x40 flags 0xff 148sc1 at mbmem0 addr 0x84000 ipl 2 flags 0xff 149 150## NCR5380-based "Sun SCSI 3" VME SCSI controller. 151## This driver has several flags which may be enabled by OR'ing 152## the values and using the "flags" directive. 153## Valid flags are: 154## 155## 0x01 Use DMA (may be polled) 156## 0x02 Use DMA completion interrupts 157## 0x04 Allow disconnect/reselect 158## 159## E.g. the following would enable DMA, interrupts, and reselect: 160## si0 at vme0 addr 0x200000 ipl 3 vect 0x40 flags 0x07 161## 162## By default, DMA is enabled in the driver. 163 164si0 at vme0 addr 0x200000 irq 2 vect 0x40 165 166## These entries find devices on all SCSI busses and assign 167## unit numbers dynamically. 168scsibus* at sc? 169scsibus* at si? 170sd* at scsibus? target ? lun ? # SCSI disks 171st* at scsibus? target ? lun ? # SCSI tapes 172cd* at scsibus? target ? lun ? # SCSI CD-ROMs 173#ch* at scsibus? target ? lun ? # SCSI changer devices 174#ss* at scsibus? target ? lun ? # SCSI scanners 175#ses* at scsibus? target ? lun ? # SCSI SES/SAF-TE 176#uk* at scsibus? target ? lun ? # unknown SCSI 177 178## Xylogics 450 or 451 Multibus/VME SMD disk controllers and disks. 179#xyc0 at mbio0 addr 0xee40 ipl 2 180xyc0 at vme0 addr 0xee40 irq 2 vect 0x48 181#xyc1 at mbio0 addr 0xee48 ipl 2 182xyc1 at vme0 addr 0xee48 irq 2 vect 0x49 183xy* at xyc? drive ? 184 185## Memory-disk device. 186pseudo-device md 2 187 188#### Network interfaces. 189 190## Intel Ethernet (onboard, or Multibus/VME) 191ie0 at obio0 addr 0x7f0800 ipl 3 # 2/50 192ie0 at mbmem0 addr 0x88000 ipl 3 193ie1 at mbmem0 addr 0x8c000 ipl 3 194## VME: the first [addr,len] pair specifies the device registers; 195## the second pair specifies the on-board memory buffer 196ie1 at vme0 addr 0xe88000,0xe00000 len -1,0x40000 irq 3 vect 0x75 197 198## 3Com Ethernet (Multibus only) 199ec0 at mbmem0 addr 0xe0000 ipl 3 200ec1 at mbmem0 addr 0xe2000 ipl 3 201 202## Frame buffers. 203 204## Sun "bwtwo" black and white framebuffer. 205#bwtwo0 at obmem0 addr 0x700000 # 2/120, 2/170 206#bwtwo0 at obio0 addr 0x0 # 2/50 207 208## PROM console driver -- if all else fails 209pcons0 at mainbus0 # PROM console 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