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RAMDISK revision 1.29 
      1 #	$NetBSD: RAMDISK,v 1.29 2001/11/20 12:56:41 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 include "arch/sun3/conf/std.sun3"
     10 
     11 # Machines to be supported by this kernel
     12 # options 	FPU_EMULATE		# No FP code here!
     13 options 	HAVECACHE		# Sun3/260 VAC
     14 
     15 # Needs to be set per system.  i.e change these as you see fit
     16 maxusers	2
     17 
     18 # Standard system options
     19 # ... debugging options
     20 #options 	DDB
     21 # Compatibility options (none)
     22 
     23 # Filesystem options
     24 # Need FFS for the ramdisk image.
     25 file-system	FFS		# Berkeley Fast Filesystem
     26 # May need these to get miniroot image.
     27 file-system	NFS		# Sun NFS client support
     28 file-system	CD9660		# ISO 9660 + Rock Ridge file system
     29 
     30 # Networking options
     31 options 	INET		# IP prototol stack support
     32 #options 	TCP_DEBUG	# Record last TCP_NDEBUG packets with SO_DEBUG
     33 
     34 #options 	TCP_COMPAT_42	# 4.2BSD TCP/IP bug compat. Not recommended.
     35 
     36 # Enable the hooks used for initializing the root memory-disk.
     37 options 	MEMORY_DISK_HOOKS
     38 options 	MEMORY_DISK_IS_ROOT	# force root on memory disk
     39 options 	MEMORY_DISK_SERVER=0	# no userspace memory disk support
     40 options 	MINIROOTSIZE=800	# size of memory disk, in blocks
     41 
     42 config		netbsd root on ? type ffs
     43 
     44 # On-board I/O space (required)
     45 include "arch/sun3/conf/obio.sun3"
     46 
     47 # On-board memory (optional)
     48 # See frame-buffers
     49 # obmem0 at mainbus?
     50 
     51 # VME bus support (optional)
     52 # One unit for each address space
     53 vme0 at mainbus? # A16/D16
     54 vme1 at mainbus? # A16/D32
     55 vme2 at mainbus? # A24/D16
     56 vme3 at mainbus? # A24/D32
     57 vme4 at mainbus? # A32/D16
     58 vme5 at mainbus? # A32/D32
     59 
     60 #
     61 # Serial ports
     62 #
     63 zstty0	at zsc1 channel 0	# ttya
     64 zstty1	at zsc1 channel 1	# ttyb
     65 
     66 kbd0	at zsc0 channel 0	# keyboard
     67 #ms0	at zsc0 channel 1	# mouse
     68 
     69 #
     70 # Network devices
     71 #
     72 
     73 # Intel Ethernet (onboard, or VME)
     74 ie0 at obio0 addr 0x0C0000 ipl 3
     75 ie1 at vme2 addr 0xe88000 ipl 3 vect 0x75
     76 
     77 # Lance Ethernet (only onboard)
     78 le0 at obio0 addr 0x120000 ipl 3
     79 
     80 # All Sun3 machines with an "le" (3/50, 3/60) should be
     81 # presumed to have the old, buggy LANCE chip. (Rev. C)
     82 options 	LANCE_REVC_BUG
     83 
     84 #
     85 # Disk and tape devices
     86 #
     87 
     88 # Sun3 "si" SCSI controller (NCR 5380)
     89 # See GENERIC for the flags description.
     90 si0 at obio0 addr 0x140000 ipl 2
     91 si0 at vme2 addr 0x200000 ipl 2 vect 0x40
     92 si1 at vme2 addr 0x204000 ipl 2 vect 0x41
     93 
     94 # Xylogics 450/451 controllers (VME A16/D16)
     95 xyc0 at vme0 addr 0xee40 ipl 2 vect 0x48
     96 xyc1 at vme0 addr 0xee48 ipl 2 vect 0x49
     97 xy* at xyc? drive ?
     98 
     99 # Xylogics 7053 controllers (VME A16/D32)
    100 xdc0 at vme1 addr 0xee80 ipl 2 vect 0x44
    101 xdc1 at vme1 addr 0xee90 ipl 2 vect 0x45
    102 xd* at xdc? drive ?
    103 
    104 # Xylogics 472 tape controllers?
    105 
    106 # Sun3/E SCSI+Ethernet board (VME A24/D16)
    107 # Note: the board uses vect and vect+1
    108 sebuf0 at vme2 addr 0x300000 ipl 2 vect 0x74 # and 0x75
    109 sebuf1 at vme2 addr 0x340000 ipl 2 vect 0x76 # and 0x77
    110 si* at sebuf?
    111 ie* at sebuf?
    112 
    113 #
    114 # Frame buffer devices
    115 # (Not needed for installation kernels.)
    116 
    117 #
    118 # SCSI infrastructure
    119 #
    120 scsibus* at scsi?
    121 
    122 sd* at scsibus? target ? lun ?		# SCSI disks
    123 st* at scsibus? target ? lun ?		# SCSI tapes
    124 cd* at scsibus? target ? lun ?		# SCSI CD-ROMs
    125 #ch* at scsibus? target ? lun ?		# SCSI changer devices
    126 #ss* at scsibus? target ? lun ?		# SCSI scanners
    127 #uk* at scsibus? target ? lun ?		# unknown SCSI devices
    128 
    129 # Memory-disk drivers (root for install tape)
    130 pseudo-device	md		2
    131 
    132 # Misc.
    133 pseudo-device	loop		1	# network loopback
    134 pseudo-device	sl		2	# CSLIP
    135