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RAMDISK revision 1.37
      1 #	$NetBSD: RAMDISK,v 1.37 2004/07/15 03:53:52 atatat 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 #options 	INCLUDE_CONFIG_FILE	# embed config file in kernel binary
     12 
     13 # Machines to be supported by this kernel
     14 # options 	FPU_EMULATE		# No FP code here!
     15 options 	HAVECACHE		# Sun3/260 VAC
     16 
     17 # Needs to be set per system.  i.e change these as you see fit
     18 maxusers	2
     19 
     20 # Standard system options
     21 # ... debugging options
     22 #options 	DDB
     23 # Compatibility options (none)
     24 
     25 # Filesystem options
     26 # Need FFS for the ramdisk image.
     27 file-system	FFS		# Berkeley Fast Filesystem
     28 # May need these to get miniroot image.
     29 file-system	NFS		# Sun NFS client support
     30 file-system	CD9660		# ISO 9660 + Rock Ridge file system
     31 
     32 # Networking options
     33 options 	INET		# IP prototol stack support
     34 #options 	TCP_DEBUG	# Record last TCP_NDEBUG packets with SO_DEBUG
     35 
     36 #options 	TCP_COMPAT_42	# 4.2BSD TCP/IP bug compat. Not recommended.
     37 
     38 # Enable the hooks used for initializing the root memory-disk.
     39 options 	MEMORY_DISK_HOOKS
     40 options 	MEMORY_DISK_IS_ROOT	# force root on memory disk
     41 options 	MEMORY_DISK_SERVER=0	# no userspace memory disk support
     42 options 	MEMORY_DISK_ROOT_SIZE=1000	# size of memory disk, in blocks
     43 
     44 options 	USERCONF	# userconf(4) support
     45 options		PIPE_SOCKETPAIR	# smaller, but slower pipe(2)
     46 #options 	SYSCTL_INCLUDE_DESCR	# Include sysctl descriptions in kernel
     47 
     48 config		netbsd root on ? type ffs
     49 
     50 # On-board I/O space (required)
     51 include "arch/sun3/conf/obio.sun3"
     52 
     53 # On-board memory (optional)
     54 # See frame-buffers
     55 # obmem0 at mainbus?
     56 
     57 # VME bus support (optional)
     58 # One unit for each address space
     59 vme0 at mainbus? # A16/D16
     60 vme1 at mainbus? # A16/D32
     61 vme2 at mainbus? # A24/D16
     62 vme3 at mainbus? # A24/D32
     63 vme4 at mainbus? # A32/D16
     64 vme5 at mainbus? # A32/D32
     65 
     66 #
     67 # Serial ports
     68 #
     69 zstty0	at zsc1 channel 0	# ttya
     70 zstty1	at zsc1 channel 1	# ttyb
     71 
     72 kbd0	at zsc0 channel 0	# keyboard
     73 #ms0	at zsc0 channel 1	# mouse
     74 
     75 #
     76 # Network devices
     77 #
     78 
     79 # Intel Ethernet (onboard, or VME)
     80 ie0 at obio0 addr 0x0C0000 ipl 3
     81 ie1 at vme2 addr 0xe88000 ipl 3 vect 0x75
     82 
     83 # Lance Ethernet (only onboard)
     84 le0 at obio0 addr 0x120000 ipl 3
     85 
     86 # All Sun3 machines with an "le" (3/50, 3/60) should be
     87 # presumed to have the old, buggy LANCE chip. (Rev. C)
     88 options 	LANCE_REVC_BUG
     89 
     90 #
     91 # Disk and tape devices
     92 #
     93 
     94 # Sun3 "si" SCSI controller (NCR 5380)
     95 # See GENERIC for the flags description.
     96 si0 at obio0 addr 0x140000 ipl 2
     97 si0 at vme2 addr 0x200000 ipl 2 vect 0x40
     98 si1 at vme2 addr 0x204000 ipl 2 vect 0x41
     99 
    100 # Xylogics 450/451 controllers (VME A16/D16)
    101 xyc0 at vme0 addr 0xee40 ipl 2 vect 0x48
    102 xyc1 at vme0 addr 0xee48 ipl 2 vect 0x49
    103 xy* at xyc? drive ?
    104 
    105 # Xylogics 7053 controllers (VME A16/D32)
    106 xdc0 at vme1 addr 0xee80 ipl 2 vect 0x44
    107 xdc1 at vme1 addr 0xee90 ipl 2 vect 0x45
    108 xd* at xdc? drive ?
    109 
    110 # Xylogics 472 tape controllers?
    111 
    112 # Sun3/E SCSI+Ethernet board (VME A24/D16)
    113 # Note: the board uses vect and vect+1
    114 sebuf0 at vme2 addr 0x300000 ipl 2 vect 0x74 # and 0x75
    115 sebuf1 at vme2 addr 0x340000 ipl 2 vect 0x76 # and 0x77
    116 si* at sebuf?
    117 ie* at sebuf?
    118 
    119 #
    120 # Frame buffer devices
    121 # (Not needed for installation kernels.)
    122 
    123 #
    124 # SCSI infrastructure
    125 #
    126 scsibus* at scsi?
    127 
    128 sd* at scsibus? target ? lun ?		# SCSI disks
    129 st* at scsibus? target ? lun ?		# SCSI tapes
    130 cd* at scsibus? target ? lun ?		# SCSI CD-ROMs
    131 #ch* at scsibus? target ? lun ?		# SCSI changer devices
    132 #ss* at scsibus? target ? lun ?		# SCSI scanners
    133 #uk* at scsibus? target ? lun ?		# unknown SCSI devices
    134 
    135 # Memory-disk drivers (root for install tape)
    136 pseudo-device	md		2
    137 
    138 # Misc.
    139 pseudo-device	loop		1	# network loopback
    140 pseudo-device	sl		2	# CSLIP
    141