1# $NetBSD: RAMDISK,v 1.48 2011/06/30 20:09:37 wiz 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 INSECURE # disable kernel security level 30options USERCONF # userconf(4) support 31options PIPE_SOCKETPAIR # smaller, but slower pipe(2) 32#options SYSCTL_INCLUDE_DESCR # Include sysctl descriptions in kernel 33 34# Which kernel debugger? Uncomment either this: 35#options DDB 36# ... or these for KGDB (gdb remote target) 37#makeoptions DEBUG="-g" # debugging symbols for gdb 38#options KGDB 39#options KGDB_DEV=0x0C00 # ttya=0C00 ttyb=0C01 40 41# Other debugging options 42#options DDB_HISTORY_SIZE=100 # enable history editing in DDB 43#options DEBUG # kernel debugging code 44#options DIAGNOSTIC # extra kernel sanity checking 45#options KMEMSTATS # kernel memory statistics (vmstat -m) 46#options PMAP_DEBUG 47#options SCSIDEBUG 48#options SCSIVERBOSE # Verbose SCSI errors 49 50# Compatibility options 51#options COMPAT_SUNOS # can run SunOS 4.1.1 executables 52#options COMPAT_43 # and 4.3BSD and ... 53#options COMPAT_AOUT_M68K # support for NetBSD a.out executables 54#options TCP_COMPAT_42 # 4.2BSD TCP/IP bug compat. Not recommended. 55#options EXEC_AOUT # support for a.out executables 56options COMPAT_BSDPTY # /dev/[pt]ty?? ptys. 57 58# Filesystem options 59file-system FFS # Berkeley Fast Filesystem 60file-system NFS # Sun NFS client support 61file-system CD9660 # ISO 9660 + Rock Ridge file system 62#file-system FDESC # /dev/fd/* 63#file-system KERNFS # /kern 64#file-system NULLFS # loopback file system 65#file-system OVERLAY # overlay file system 66#file-system PROCFS # /proc 67#file-system UNION # union file system 68#file-system MFS # memory-based filesystem 69#file-system PTYFS # /dev/pts/N support 70 71#options NFSSERVER # nfs server support 72#options QUOTA # legacy UFS quotas 73#options QUOTA2 # new, in-filesystem UFS quotas 74#options FFS_EI # FFS Endian Independent support 75options NFS_V2_ONLY # Exclude NFS3 code to save space 76options FFS_NO_SNAPSHOT # No FFS snapshot support 77 78# Networking options 79options INET # IP protocol stack support 80#options INET6 # IPV6 81#options IPSEC # IP security 82#options IPSEC_ESP # IP security (encryption part; define w/IPSEC) 83#options IPSEC_NAT_T # IPsec NAT traversal (NAT-T) 84#options IPSEC_DEBUG # debug for IP security 85#options GATEWAY # IP packet forwarding 86#options ISO,TPIP # OSI networking 87#options EON # OSI tunneling over IP 88#options PFIL_HOOKS # pfil(9) packet filter hooks. 89#options TCP_DEBUG # Record last TCP_NDEBUG packets with SO_DEBUG 90 91# Work-around for root on slow servers (insurance...) 92#options NFS_BOOT_RWSIZE=1024 93#options NFS_BOOT_BOOTPARAM 94 95# Enable the hooks used for initializing the root memory-disk. 96options MEMORY_DISK_HOOKS 97options MEMORY_DISK_IS_ROOT # force root on memory disk 98options MEMORY_DISK_SERVER=0 # no userspace memory disk support 99options MEMORY_DISK_ROOT_SIZE=1200 # size of memory disk, in blocks 100options MEMORY_DISK_RBFLAGS=RB_SINGLE # boot in single-user mode 101 102config netbsd root on ? type ffs 103 104#### Main bus. 105mainbus0 at root 106 107#### Bus types. 108 109obio0 at mainbus? # all Sun-2 110obmem0 at mainbus? # all Sun-2 111mbmem0 at mainbus? # 2/120, 2/170 112mbio0 at mainbus? # 2/120, 2/170 113sun68kvme0 at mainbus? # 2/50, 2/130, 2/160 114vme0 at sun68kvme0 # mi VME attachment 115 116#### Standard system devices. 117 118## The AM9513 clock chip. 119clock0 at obio0 addr 0x002800 # 2/120, 2/170 120clock0 at obio0 addr 0x7f2800 # 2/50, 2/130, 2/160 121 122## The MM58167 time-of-day chip. 123tod0 at obio0 addr 0x003800 # 2/120, 2/170 124tod0 at vme0 addr 0x200800 # 2/50, 2/130, 2/160 125 126#### Serial port configuration. 127 128## Zilog 8530 serial chips. Each has two channels. 129## zs0 is ttya and ttyb. zs1 is the keyboard and mouse. 130## zs0 is REQUIRED to use KGDB. 131zs0 at obio0 addr 0x002000 # 2/120, 2/170 132zs0 at obio0 addr 0x7f2000 # 2/50 133zs1 at obmem0 addr 0x780000 # 2/120, 2/170 134zs1 at obio0 addr 0x7f1800 # 2/50 135#zs2 at mbmem0 addr 0x080800 # 2/120, 2/170 (first sc SCSI) 136#zs3 at mbmem0 addr 0x081000 # 2/120, 2/170 (first sc SCSI) 137#zs4 at mbmem0 addr 0x084800 # 2/120, 2/170 (second sc SCSI) 138#zs5 at mbmem0 addr 0x085000 # 2/120, 2/170 (second sc SCSI) 139zstty* at zs? channel ? # ttya 140kbd0 at zstty? # keyboard 141#ms0 at zstty? # mouse 142 143#### Disk controllers and disks. 144 145## PAL+logic-based "Sun SCSI 2" Multibus/VME SCSI controller. 146## This driver has several flags which may be enabled using 147## the "flags" directive. Valid flags are: 148## 149## 0x0ff Set (1<<target) to disable parity checking 150## 0x100 Set this bit to disable DMA interrupts (poll) 151## 0x200 Set this bit to disable DMA entirely (use PIO) 152## 153## For example: "flags 0x10f" would disable DMA interrupts, 154## and disable parity for targets 0-3 155 156sc0 at mbmem0 addr 0x80000 ipl 2 flags 0xff 157sc0 at vme0 addr 0x200000 irq 2 vect 0x40 flags 0xff 158sc1 at mbmem0 addr 0x84000 ipl 2 flags 0xff 159 160## NCR5380-based "Sun SCSI 3" VME SCSI controller. 161## This driver has several flags which may be enabled by OR'ing 162## the values and using the "flags" directive. 163## Valid flags are: 164## 165## 0x01 Use DMA (may be polled) 166## 0x02 Use DMA completion interrupts 167## 0x04 Allow disconnect/reselect 168## 169## E.g. the following would enable DMA, interrupts, and reselect: 170## si0 at vme0 addr 0x200000 ipl 3 vect 0x40 flags 0x07 171## 172## By default, DMA is enabled in the driver. 173 174si0 at vme0 addr 0x200000 irq 2 vect 0x40 175 176## These entries find devices on all SCSI busses and assign 177## unit numbers dynamically. 178scsibus* at sc? 179scsibus* at si? 180sd* at scsibus? target ? lun ? # SCSI disks 181st* at scsibus? target ? lun ? # SCSI tapes 182cd* at scsibus? target ? lun ? # SCSI CD-ROMs 183#ch* at scsibus? target ? lun ? # SCSI changer devices 184#ss* at scsibus? target ? lun ? # SCSI scanners 185#ses* at scsibus? target ? lun ? # SCSI SES/SAF-TE 186#uk* at scsibus? target ? lun ? # unknown SCSI 187 188# support old SCSI devices that don't understand the INQUIRY command 189options SCSI_OLD_NOINQUIRY 190 191## Xylogics 450 or 451 Multibus/VME SMD disk controllers and disks. 192#xyc0 at mbio0 addr 0xee40 ipl 2 193xyc0 at vme0 addr 0xee40 irq 2 vect 0x48 194#xyc1 at mbio0 addr 0xee48 ipl 2 195xyc1 at vme0 addr 0xee48 irq 2 vect 0x49 196xy* at xyc? drive ? 197 198## Memory-disk device. 199pseudo-device md 200 201#### Network interfaces. 202 203## Intel Ethernet (onboard, or Multibus/VME) 204ie0 at obio0 addr 0x7f0800 ipl 3 # 2/50 205ie0 at mbmem0 addr 0x88000 ipl 3 206ie1 at mbmem0 addr 0x8c000 ipl 3 207## VME: the first [addr,len] pair specifies the device registers; 208## the second pair specifies the on-board memory buffer 209ie1 at vme0 addr 0xe88000,0xe00000 len -1,0x40000 irq 3 vect 0x75 210 211## 3Com Ethernet (Multibus only) 212ec0 at mbmem0 addr 0xe0000 ipl 3 213ec1 at mbmem0 addr 0xe2000 ipl 3 214# limit NFS R/W size for poor ec(4) interfaces 215options NFS_RSIZE=1024,NFS_WSIZE=1024 216 217## Frame buffers. 218 219## Sun "bwtwo" black and white framebuffer. 220#bwtwo0 at obmem0 addr 0x700000 # 2/120, 2/170 221#bwtwo0 at obio0 addr 0x0 # 2/50 222 223## PROM console driver -- if all else fails 224pcons0 at mainbus0 # PROM console 225 226#### Miscellaneous. 227pseudo-device loop 1 # network loopback 228#pseudo-device bpfilter # packet filter 229pseudo-device sl # CSLIP 230#pseudo-device ppp # PPP 231#pseudo-device tun # network tunneling over tty 232#pseudo-device gre # generic L3 over IP tunnel 233#pseudo-device ipfilter # ip filter 234#pseudo-device gif # IPv[46] over IPv[46] tunnel (RFC1933) 235#pseudo-device faith # IPv[46] tcp relay translation i/f 236#pseudo-device stf # 6to4 IPv6 over IPv4 encapsulation 237pseudo-device rnd # /dev/random and in-kernel generator 238 239pseudo-device pty 4 # pseudo-terminals 240#pseudo-device vnd # paging to files 241#pseudo-device ccd 4 # concatenated disks 242#pseudo-device raid 4 # RAIDframe disk driver 243#options RAID_AUTOCONFIG # auto-configuration of RAID components 244#pseudo-device fss # file system snapshot device 245