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RAMDISK revision 1.39
      1 #	$NetBSD: RAMDISK,v 1.39 2005/02/18 21:05:54 dsl 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 options 	FFS_NO_SNAPSHOT	# No FFS snapshots
     32 
     33 # Networking options
     34 options 	INET		# IP prototol stack support
     35 #options 	TCP_DEBUG	# Record last TCP_NDEBUG packets with SO_DEBUG
     36 
     37 #options 	TCP_COMPAT_42	# 4.2BSD TCP/IP bug compat. Not recommended.
     38 
     39 # Enable the hooks used for initializing the root memory-disk.
     40 options 	MEMORY_DISK_HOOKS
     41 options 	MEMORY_DISK_IS_ROOT	# force root on memory disk
     42 options 	MEMORY_DISK_SERVER=0	# no userspace memory disk support
     43 options 	MEMORY_DISK_ROOT_SIZE=1000	# size of memory disk, in blocks
     44 
     45 options 	USERCONF	# userconf(4) support
     46 options		PIPE_SOCKETPAIR	# smaller, but slower pipe(2)
     47 #options 	SYSCTL_INCLUDE_DESCR	# Include sysctl descriptions in kernel
     48 
     49 config		netbsd root on ? type ffs
     50 
     51 # On-board I/O space (required)
     52 include "arch/sun3/conf/obio.sun3"
     53 
     54 # On-board memory (optional)
     55 # See frame-buffers
     56 # obmem0 at mainbus?
     57 
     58 # VME bus support (optional)
     59 # One unit for each address space
     60 vme0 at mainbus? # A16/D16
     61 vme1 at mainbus? # A16/D32
     62 vme2 at mainbus? # A24/D16
     63 vme3 at mainbus? # A24/D32
     64 vme4 at mainbus? # A32/D16
     65 vme5 at mainbus? # A32/D32
     66 
     67 #
     68 # Serial ports
     69 #
     70 zstty0	at zsc1 channel 0	# ttya
     71 zstty1	at zsc1 channel 1	# ttyb
     72 
     73 kbd0	at zsc0 channel 0	# keyboard
     74 #ms0	at zsc0 channel 1	# mouse
     75 
     76 #
     77 # Network devices
     78 #
     79 
     80 # Intel Ethernet (onboard, or VME)
     81 ie0 at obio0 addr 0x0C0000 ipl 3
     82 ie1 at vme2 addr 0xe88000 ipl 3 vect 0x75
     83 
     84 # Lance Ethernet (only onboard)
     85 le0 at obio0 addr 0x120000 ipl 3
     86 
     87 # All Sun3 machines with an "le" (3/50, 3/60) should be
     88 # presumed to have the old, buggy LANCE chip. (Rev. C)
     89 options 	LANCE_REVC_BUG
     90 
     91 #
     92 # Disk and tape devices
     93 #
     94 
     95 # Sun3 "si" SCSI controller (NCR 5380)
     96 # See GENERIC for the flags description.
     97 si0 at obio0 addr 0x140000 ipl 2
     98 si0 at vme2 addr 0x200000 ipl 2 vect 0x40
     99 si1 at vme2 addr 0x204000 ipl 2 vect 0x41
    100 
    101 # Xylogics 450/451 controllers (VME A16/D16)
    102 xyc0 at vme0 addr 0xee40 ipl 2 vect 0x48
    103 xyc1 at vme0 addr 0xee48 ipl 2 vect 0x49
    104 xy* at xyc? drive ?
    105 
    106 # Xylogics 7053 controllers (VME A16/D32)
    107 xdc0 at vme1 addr 0xee80 ipl 2 vect 0x44
    108 xdc1 at vme1 addr 0xee90 ipl 2 vect 0x45
    109 xd* at xdc? drive ?
    110 
    111 # Xylogics 472 tape controllers?
    112 
    113 # Sun3/E SCSI+Ethernet board (VME A24/D16)
    114 # Note: the board uses vect and vect+1
    115 sebuf0 at vme2 addr 0x300000 ipl 2 vect 0x74 # and 0x75
    116 sebuf1 at vme2 addr 0x340000 ipl 2 vect 0x76 # and 0x77
    117 si* at sebuf?
    118 ie* at sebuf?
    119 
    120 #
    121 # Frame buffer devices
    122 # (Not needed for installation kernels.)
    123 
    124 #
    125 # SCSI infrastructure
    126 #
    127 scsibus* at scsi?
    128 
    129 sd* at scsibus? target ? lun ?		# SCSI disks
    130 st* at scsibus? target ? lun ?		# SCSI tapes
    131 cd* at scsibus? target ? lun ?		# SCSI CD-ROMs
    132 #ch* at scsibus? target ? lun ?		# SCSI changer devices
    133 #ss* at scsibus? target ? lun ?		# SCSI scanners
    134 #uk* at scsibus? target ? lun ?		# unknown SCSI devices
    135 
    136 # Memory-disk drivers (root for install tape)
    137 pseudo-device	md		2
    138 
    139 # Misc.
    140 pseudo-device	loop		1	# network loopback
    141 pseudo-device	sl		2	# CSLIP
    142 #pseudo-device	fss		4	# file system snapshot device
    143