RAMDISK revision 1.36
1# $NetBSD: RAMDISK,v 1.36 2008/04/05 22:16:04 tsutsui 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#options INCLUDE_CONFIG_FILE # embed config file in kernel binary 15 16makeoptions COPTS="-Os" # optimize for size 17 18# Machines to be supported by this kernel 19#options FPU_EMULATE 20 21# Needs to be set per system. i.e change these as you see fit 22maxusers 2 23 24# Standard system options 25#options KTRACE # system call tracing 26#options SYSVMSG # System V message queues 27#options SYSVSEM # System V semaphores 28#options SYSVSHM # System V shared memory 29#options SHMMAXPGS=1024 # 1024 pages is the default 30#options LKM # loadable kernel modules 31#options INSECURE # disable kernel security level 32options USERCONF # userconf(4) support 33#options PIPE_SOCKETPAIR # smaller, but slower pipe(2) 34#options SYSCTL_INCLUDE_DESCR # Include sysctl descriptions in kernel 35 36# Which kernel debugger? Uncomment either this: 37#options DDB 38# ... or these for KGDB (gdb remote target) 39#makeoptions DEBUG="-g" # debugging symbols for gdb 40#options KGDB 41#options KGDB_DEV=0x0C00 # ttya=0C00 ttyb=0C01 42 43# Other debugging options 44#options DDB_HISTORY_SIZE=100 # enable history editing in DDB 45#options DEBUG # kernel debugging code 46#options DIAGNOSTIC # extra kernel sanity checking 47#options KMEMSTATS # kernel memory statistics (vmstat -m) 48#options PMAP_DEBUG 49#options SCSIDEBUG 50#options SCSIVERBOSE # Verbose SCSI errors 51 52# Compatibility options 53#options COMPAT_SUNOS # can run SunOS 4.1.1 executables 54#options COMPAT_43 # and 4.3BSD and ... 55#options COMPAT_AOUT_M68K # support for NetBSD a.out executables 56#options TCP_COMPAT_42 # 4.2BSD TCP/IP bug compat. Not recommended. 57options EXEC_AOUT # support for a.out executables 58options COMPAT_BSDPTY # /dev/[pt]ty?? ptys. 59 60# Filesystem options 61file-system FFS # Berkeley Fast Filesystem 62file-system NFS # Sun NFS client support 63file-system CD9660 # ISO 9660 + Rock Ridge file system 64#file-system FDESC # /dev/fd/* 65#file-system KERNFS # /kern 66#file-system NULLFS # loopback file system 67#file-system OVERLAY # overlay file system 68#file-system PROCFS # /proc 69#file-system UNION # union file system 70#file-system MFS # memory-based filesystem 71#file-system PTYFS # /dev/pts/N support 72 73#options NFSSERVER # nfs server support 74#options QUOTA # FFS quotas 75#options FFS_EI # FFS Endian Independant support 76#options SOFTDEP # FFS soft updates support. 77#options NFS_V2_ONLY # Exclude NFS3 code to save space 78options FFS_NO_SNAPSHOT # No FFS snapshot support 79 80# Networking options 81options INET # IP protocol stack support 82#options INET6 # IPV6 83#options IPSEC # IP security 84#options IPSEC_ESP # IP security (encryption part; define w/IPSEC) 85#options IPSEC_NAT_T # IPsec NAT traversal (NAT-T) 86#options IPSEC_DEBUG # debug for IP security 87#options GATEWAY # IP packet forwarding 88#options ISO,TPIP # OSI networking 89#options EON # OSI tunneling over IP 90#options PFIL_HOOKS # pfil(9) packet filter hooks. 91#options TCP_DEBUG # Record last TCP_NDEBUG packets with SO_DEBUG 92 93# Work-around for root on slow servers (insurance...) 94#options NFS_BOOT_RWSIZE=1024 95#options NFS_BOOT_BOOTPARAM 96 97# Enable the hooks used for initializing the root memory-disk. 98options MEMORY_DISK_HOOKS 99options MEMORY_DISK_IS_ROOT # force root on memory disk 100options MEMORY_DISK_SERVER=0 # no userspace memory disk support 101options MEMORY_DISK_ROOT_SIZE=1000 # size of memory disk, in blocks 102 103config netbsd root on ? type ffs 104 105#### Main bus. 106mainbus0 at root 107 108#### Bus types. 109 110obio0 at mainbus? # all Sun-2 111obmem0 at mainbus? # all Sun-2 112mbmem0 at mainbus? # 2/120, 2/170 113mbio0 at mainbus? # 2/120, 2/170 114sun68kvme0 at mainbus? # 2/50, 2/130, 2/160 115vme0 at sun68kvme0 # mi VME attachment 116 117#### Standard system devices. 118 119## The AM9513 clock chip. 120clock0 at obio0 addr 0x002800 # 2/120, 2/170 121clock0 at obio0 addr 0x7f2800 # 2/50, 2/130, 2/160 122 123## The MM58167 time-of-day chip. 124tod0 at obio0 addr 0x003800 # 2/120, 2/170 125tod0 at vme0 addr 0x200800 # 2/50, 2/130, 2/160 126 127#### Serial port configuration. 128 129## Zilog 8530 serial chips. Each has two channels. 130## zs0 is ttya and ttyb. zs1 is the keyboard and mouse. 131## zs0 is REQUIRED to use KGDB. 132zs0 at obio0 addr 0x002000 # 2/120, 2/170 133zs0 at obio0 addr 0x7f2000 # 2/50 134zs1 at obmem0 addr 0x780000 # 2/120, 2/170 135zs1 at obio0 addr 0x7f1800 # 2/50 136#zs2 at mbmem0 addr 0x080800 # 2/120, 2/170 (first sc SCSI) 137#zs3 at mbmem0 addr 0x081000 # 2/120, 2/170 (first sc SCSI) 138#zs4 at mbmem0 addr 0x084800 # 2/120, 2/170 (second sc SCSI) 139#zs5 at mbmem0 addr 0x085000 # 2/120, 2/170 (second sc SCSI) 140zstty* at zs? channel ? # ttya 141kbd0 at zstty? # keyboard 142#ms0 at zstty? # mouse 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 158sc0 at vme0 addr 0x200000 irq 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 175si0 at vme0 addr 0x200000 irq 2 vect 0x40 176 177## These entries find devices on all SCSI busses and assign 178## unit numbers dynamically. 179scsibus* at sc? 180scsibus* 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# support old SCSI devices that don't understand the INQUIRY command 190options SCSI_OLD_NOINQUIRY 191 192## Xylogics 450 or 451 Multibus/VME SMD disk controllers and disks. 193#xyc0 at mbio0 addr 0xee40 ipl 2 194xyc0 at vme0 addr 0xee40 irq 2 vect 0x48 195#xyc1 at mbio0 addr 0xee48 ipl 2 196xyc1 at vme0 addr 0xee48 irq 2 vect 0x49 197xy* at xyc? drive ? 198 199## Memory-disk device. 200pseudo-device md 2 201 202#### Network interfaces. 203 204## Intel Ethernet (onboard, or Multibus/VME) 205ie0 at obio0 addr 0x7f0800 ipl 3 # 2/50 206ie0 at mbmem0 addr 0x88000 ipl 3 207ie1 at mbmem0 addr 0x8c000 ipl 3 208## VME: the first [addr,len] pair specifies the device registers; 209## the second pair specifies the on-board memory buffer 210ie1 at vme0 addr 0xe88000,0xe00000 len -1,0x40000 irq 3 vect 0x75 211 212## 3Com Ethernet (Multibus only) 213ec0 at mbmem0 addr 0xe0000 ipl 3 214ec1 at mbmem0 addr 0xe2000 ipl 3 215# limit NFS R/W size for poor ec(4) interfaces 216options NFS_RSIZE=1024,NFS_WSIZE=1024 217 218## Frame buffers. 219 220## Sun "bwtwo" black and white framebuffer. 221#bwtwo0 at obmem0 addr 0x700000 # 2/120, 2/170 222#bwtwo0 at obio0 addr 0x0 # 2/50 223 224## PROM console driver -- if all else fails 225pcons0 at mainbus0 # PROM console 226 227#### Miscellaneous. 228pseudo-device loop 1 # network loopback 229#pseudo-device bpfilter # packet filter 230pseudo-device sl # CSLIP 231#pseudo-device ppp # PPP 232#pseudo-device tun # network tunneling over tty 233#pseudo-device gre # generic L3 over IP tunnel 234#pseudo-device ipfilter # ip filter 235#pseudo-device gif # IPv[46] over IPv[46] tunnel (RFC1933) 236#pseudo-device faith # IPv[46] tcp relay translation i/f 237#pseudo-device stf # 6to4 IPv6 over IPv4 encapsulation 238pseudo-device rnd # /dev/random and in-kernel generator 239 240pseudo-device pty 4 # pseudo-terminals 241#pseudo-device vnd # paging to files 242#pseudo-device ccd 4 # concatenated disks 243#pseudo-device raid 4 # RAIDframe disk driver 244#options RAID_AUTOCONFIG # auto-configuration of RAID components 245#pseudo-device fss 4 # file system snapshot device 246