RAMDISK revision 1.12
1# $NetBSD: RAMDISK,v 1.12 2002/04/02 05:30:50 lukem 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#options PIPE_SOCKETPAIR # smaller, but slower pipe(2) 30 31# Which kernel debugger? Uncomment either this: 32#options DDB 33# ... or these for KGDB (gdb remote target) 34#makeoptions DEBUG="-g" # debugging symbols for gdb 35#options KGDB 36#options KGDB_DEV=0x0C00 # ttya=0C00 ttyb=0C01 37 38# Other debugging options 39#options DDB_HISTORY_SIZE=100 # enable history editing in DDB 40#options DEBUG # kernel debugging code 41#options DIAGNOSTIC # extra kernel sanity checking 42#options KMEMSTATS # kernel memory statistics (vmstat -m) 43#options PMAP_DEBUG 44#options SCSIDEBUG 45#options SCSIVERBOSE # Verbose SCSI errors 46 47# Compatibility options 48#options COMPAT_SUNOS # can run SunOS 4.1.1 executables 49#options COMPAT_43 # and 4.3BSD and ... 50#options COMPAT_AOUT_M68K # support for NetBSD a.out executables 51#options TCP_COMPAT_42 # 4.2BSD TCP/IP bug compat. Not recommended. 52options EXEC_AOUT # support for a.out executables 53 54# Filesystem options 55file-system FFS # Berkeley Fast Filesystem 56file-system NFS # Sun NFS client support 57file-system CD9660 # ISO 9660 + Rock Ridge file system 58#file-system FDESC # /dev/fd/* 59#file-system KERNFS # /kern 60#file-system NULLFS # loopback file system 61#file-system OVERLAY # overlay file system 62#file-system PROCFS # /proc 63#file-system UNION # union file system 64#file-system MFS # memory-based filesystem 65 66#options NFSSERVER # nfs server support 67#options QUOTA # FFS quotas 68#options FFS_EI # FFS Endian Independant support 69#options SOFTDEP # FFS soft updates support. 70#options NFS_V2_ONLY # Exclude NFS3 and NQNFS code to save space 71options VNODE_OP_NOINLINE # Save space by not inlining vnode op calls 72 73# Networking options 74options INET # IP prototol stack support 75#options INET6 # IPV6 76#options IPSEC # IP security 77#options IPSEC_ESP # IP security (encryption part; define w/IPSEC) 78#options IPSEC_DEBUG # debug for IP security 79#options GATEWAY # IP packet forwarding 80#options ISO,TPIP # OSI networking 81#options EON # OSI tunneling over IP 82#options CCITT,LLC,HDLC # X.25 83#options PFIL_HOOKS # pfil(9) packet filter hooks. 84#options TCP_DEBUG # Record last TCP_NDEBUG packets with SO_DEBUG 85 86# Work-around for root on slow servers (insurance...) 87#options NFS_BOOT_RWSIZE=1024 88#options NFS_BOOT_BOOTPARAM 89 90# Enable the hooks used for initializing the root memory-disk. 91options MEMORY_DISK_HOOKS 92options MEMORY_DISK_IS_ROOT # force root on memory disk 93options MEMORY_DISK_SERVER=0 # no userspace memory disk support 94options MEMORY_DISK_ROOT_SIZE=800 # size of memory disk, in blocks 95 96config netbsd root on ? type ffs 97 98#### Main bus. 99mainbus0 at root 100 101#### Bus types. 102 103obio0 at mainbus? # all Sun-2 104obmem0 at mainbus? # all Sun-2 105mbmem0 at mainbus? # 2/120, 2/170 106mbio0 at mainbus? # 2/120, 2/170 107sun68kvme0 at mainbus? # 2/50, 2/130, 2/160 108vme0 at sun68kvme0 # mi VME attachment 109 110#### Standard system devices. 111 112## The AM9513 clock chip. 113clock0 at obio0 addr 0x002800 # 2/120, 2/170 114clock0 at obio0 addr 0x7f2800 # 2/50, 2/130, 2/160 115 116## The MM58167 time-of-day chip. 117tod0 at obio0 addr 0x003800 # 2/120, 2/170 118tod0 at vme0 addr 0x200800 # 2/50, 2/130, 2/160 119 120#### Serial port configuration. 121 122## Zilog 8530 serial chips. Each has two channels. 123## zs0 is ttya and ttyb. zs1 is the keyboard and mouse. 124## zs0 is REQUIRED to use KGDB. 125zs0 at obio0 addr 0x002000 # 2/120, 2/170 126zs0 at obio0 addr 0x7f2000 # 2/50 127zs1 at obmem0 addr 0x780000 # 2/120, 2/170 128zs1 at obio0 addr 0x7f1800 # 2/50 129#zs2 at mbmem0 addr 0x080800 # 2/120, 2/170 (first sc SCSI) 130#zs3 at mbmem0 addr 0x081000 # 2/120, 2/170 (first sc SCSI) 131#zs4 at mbmem0 addr 0x084800 # 2/120, 2/170 (second sc SCSI) 132#zs5 at mbmem0 addr 0x085000 # 2/120, 2/170 (second sc SCSI) 133zstty* at zs? channel ? # ttya 134kbd0 at zstty? # keyboard 135#ms0 at zstty? # mouse 136 137#### Disk controllers and disks. 138 139## PAL+logic-based "Sun SCSI 2" Multibus/VME SCSI controller. 140## This driver has several flags which may be enabled using 141## the "flags" directive. Valid flags are: 142## 143## 0x0ff Set (1<<target) to disable parity checking 144## 0x100 Set this bit to disable DMA interrupts (poll) 145## 0x200 Set this bit to disable DMA entirely (use PIO) 146## 147## For example: "flags 0x10f" would disable DMA interrupts, 148## and disable parity for targets 0-3 149 150sc0 at mbmem0 addr 0x80000 ipl 2 flags 0xff 151sc0 at vme0 addr 0x200000 irq 2 vect 0x40 flags 0xff 152sc1 at mbmem0 addr 0x84000 ipl 2 flags 0xff 153 154## NCR5380-based "Sun SCSI 3" VME SCSI controller. 155## This driver has several flags which may be enabled by OR'ing 156## the values and using the "flags" directive. 157## Valid flags are: 158## 159## 0x01 Use DMA (may be polled) 160## 0x02 Use DMA completion interrupts 161## 0x04 Allow disconnect/reselect 162## 163## E.g. the following would enable DMA, interrupts, and reselect: 164## si0 at vme0 addr 0x200000 ipl 3 vect 0x40 flags 0x07 165## 166## By default, DMA is enabled in the driver. 167 168si0 at vme0 addr 0x200000 irq 2 vect 0x40 169 170## These entries find devices on all SCSI busses and assign 171## unit numbers dynamically. 172scsibus* at sc? 173scsibus* at si? 174sd* at scsibus? target ? lun ? # SCSI disks 175st* at scsibus? target ? lun ? # SCSI tapes 176cd* at scsibus? target ? lun ? # SCSI CD-ROMs 177#ch* at scsibus? target ? lun ? # SCSI changer devices 178#ss* at scsibus? target ? lun ? # SCSI scanners 179#ses* at scsibus? target ? lun ? # SCSI SES/SAF-TE 180#uk* at scsibus? target ? lun ? # unknown SCSI 181 182# support old SCSI devices that don't understand the INQUIRY command 183options SCSI_OLD_NOINQUIRY 184 185## Xylogics 450 or 451 Multibus/VME SMD disk controllers and disks. 186#xyc0 at mbio0 addr 0xee40 ipl 2 187xyc0 at vme0 addr 0xee40 irq 2 vect 0x48 188#xyc1 at mbio0 addr 0xee48 ipl 2 189xyc1 at vme0 addr 0xee48 irq 2 vect 0x49 190xy* at xyc? drive ? 191 192## Memory-disk device. 193pseudo-device md 2 194 195#### Network interfaces. 196 197## Intel Ethernet (onboard, or Multibus/VME) 198ie0 at obio0 addr 0x7f0800 ipl 3 # 2/50 199ie0 at mbmem0 addr 0x88000 ipl 3 200ie1 at mbmem0 addr 0x8c000 ipl 3 201## VME: the first [addr,len] pair specifies the device registers; 202## the second pair specifies the on-board memory buffer 203ie1 at vme0 addr 0xe88000,0xe00000 len -1,0x40000 irq 3 vect 0x75 204 205## 3Com Ethernet (Multibus only) 206ec0 at mbmem0 addr 0xe0000 ipl 3 207ec1 at mbmem0 addr 0xe2000 ipl 3 208 209## Frame buffers. 210 211## Sun "bwtwo" black and white framebuffer. 212#bwtwo0 at obmem0 addr 0x700000 # 2/120, 2/170 213#bwtwo0 at obio0 addr 0x0 # 2/50 214 215## PROM console driver -- if all else fails 216pcons0 at mainbus0 # PROM console 217 218#### Miscellaneous. 219pseudo-device loop 1 # network loopback 220#pseudo-device bpfilter 8 # packet filter 221pseudo-device sl 2 # CSLIP 222#pseudo-device ppp 2 # PPP 223#pseudo-device tun 2 # network tunneling over tty 224#pseudo-device gre 2 # generic L3 over IP tunnel 225#pseudo-device ipfilter # ip filter 226#pseudo-device gif 4 # IPv[46] over IPv[46] tunnel (RFC1933) 227#pseudo-device faith 1 # IPv[46] tcp relay translation i/f 228#pseudo-device stf 1 # 6to4 IPv6 over IPv4 encapsulation 229# rnd is EXPERIMENTAL 230#pseudo-device rnd # /dev/random and in-kernel generator 231 232pseudo-device pty 4 # pseudo-terminals 233#pseudo-device vnd 4 # paging to files 234#pseudo-device ccd 4 # concatenated disks 235#pseudo-device raid 4 # RAIDframe disk driver 236#options RAID_AUTOCONFIG # auto-configuration of RAID components 237