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      1 # $NetBSD: RAMDISK3X,v 1.44 2020/06/19 10:35:11 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 include "arch/sun3/conf/std.sun3x"
     10 
     11 #options 	INCLUDE_CONFIG_FILE	# embed config file in kernel binary
     12 
     13 makeoptions	COPTS="-Os -fno-unwind-tables"	# bootloader has size limit (~2MB)
     14 
     15 # Machines to be supported by this kernel
     16 # options 	FPU_EMULATE	# XXX - Ever needed?
     17 # options 	HAVE_IOCACHE	# XXX - Not yet supported.
     18 
     19 # Needs to be set per system.  i.e change these as you see fit
     20 maxusers	2
     21 
     22 # Standard system options
     23 # ... debugging options
     24 #options 	DDB
     25 # Compatibility options (none)
     26 
     27 # Filesystem options
     28 # Need FFS for the ramdisk image.
     29 file-system	FFS		# Berkeley Fast Filesystem
     30 # May need these to get miniroot image.
     31 file-system	NFS		# Sun NFS client support
     32 file-system	CD9660		# ISO 9660 + Rock Ridge file system
     33 options 	FFS_NO_SNAPSHOT	# No FFS snapshot support
     34 #file-system	PTYFS		# /dev/pts/N support
     35 
     36 # Networking options
     37 options 	INET		# IP protocol stack support
     38 #options 	TCP_DEBUG	# Record last TCP_NDEBUG packets with SO_DEBUG
     39 
     40 # Enable the hooks used for initializing the root memory-disk.
     41 options 	MEMORY_DISK_HOOKS
     42 options 	MEMORY_DISK_IS_ROOT	# force root on memory disk
     43 options 	MEMORY_DISK_SERVER=0	# no userspace memory disk support
     44 options 	MEMORY_DISK_ROOT_SIZE=1320	# size of memory disk, in blocks
     45 options 	MEMORY_DISK_RBFLAGS=RB_SINGLE	# boot in single-user mode
     46 
     47 options 	USERCONF	# userconf(4) support
     48 options 	PIPE_SOCKETPAIR	# smaller, but slower pipe(2)
     49 #options 	SYSCTL_INCLUDE_DESCR	# Include sysctl descriptions in kernel
     50 
     51 config		netbsd root on ? type ffs
     52 
     53 # On-board I/O space (required)
     54 include "arch/sun3/conf/obio.sun3x"
     55 
     56 # On-board memory (optional)
     57 # See frame-buffers
     58 # obmem0 at mainbus?
     59 
     60 # VME bus support (optional)
     61 # One unit for each address space
     62 vme0 at mainbus? # A16/D16
     63 vme1 at mainbus? # A16/D32
     64 vme2 at mainbus? # A24/D16
     65 vme3 at mainbus? # A24/D32
     66 vme4 at mainbus? # A32/D16
     67 vme5 at mainbus? # A32/D32
     68 
     69 #
     70 # Serial ports
     71 #
     72 zstty0	at zsc1 channel 0	# ttya
     73 zstty1	at zsc1 channel 1	# ttyb
     74 
     75 kbd0	at zsc0 channel 0	# keyboard
     76 #ms0	at zsc0 channel 1	# mouse
     77 
     78 #
     79 # Network devices
     80 #
     81 
     82 # Intel Ethernet (onboard, or VME)
     83 ie0 at obio0 addr 0x65000000 ipl 3
     84 ie1 at vme2 addr 0xe88000 ipl 3 vect 0x75
     85 
     86 # Lance Ethernet (only onboard)
     87 le0 at obio0 addr 0x65002000 ipl 3
     88 
     89 #
     90 # Disk and tape devices
     91 #
     92 
     93 # Emulex SCSI (3/80 only)
     94 # Both `dma' and `esp' are needed.
     95 # See GENERIC3X for the flags description.
     96 dma0 at obio0 addr 0x66001000 ipl 2
     97 esp0 at obio0 addr 0x66000000 ipl 2 flags 0x000000
     98 
     99 # Floppy drive
    100 fdc0 at obio0 addr 0x6e000000 ipl 6 vect 0x40
    101 fd0	at fdc0	# First (and only) floppy drive.
    102 
    103 # Sun3 "si" SCSI controller (NCR 5380)
    104 # See GENERIC3X for the flags description.
    105 si0 at vme2 addr 0x200000 ipl 2 vect 0x40
    106 si1 at vme2 addr 0x204000 ipl 2 vect 0x41
    107 
    108 # Xylogics 450/451 controllers (VME A16/D16)
    109 xyc0 at vme0 addr 0xee40 ipl 2 vect 0x48
    110 xyc1 at vme0 addr 0xee48 ipl 2 vect 0x49
    111 xy* at xyc? drive ?
    112 
    113 # Xylogics 7053 controllers (VME A16/D32)
    114 xdc0 at vme1 addr 0xee80 ipl 2 vect 0x44
    115 xdc1 at vme1 addr 0xee90 ipl 2 vect 0x45
    116 xd* at xdc? drive ?
    117 
    118 # Xylogics 472 tape controllers?
    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		
    138 
    139 # Misc.
    140 pseudo-device	loop			# network loopback
    141 pseudo-device	sl			# CSLIP
    142 #pseudo-device	fss			# file system snapshot device
    143