# $NetBSD: RAMDISK3X,v 1.44 2020/06/19 10:35:11 tsutsui Exp $

# RAMDISK: Root/swap on ramdisk
# This kernel is used to:
#	format the disk (not yet implemented)
#	partition the disk (disklabel)
#	install the miniroot in the swap partition

include "arch/sun3/conf/std.sun3x"

#options 	INCLUDE_CONFIG_FILE	# embed config file in kernel binary

makeoptions	COPTS="-Os -fno-unwind-tables"	# bootloader has size limit (~2MB)

# Machines to be supported by this kernel
# options 	FPU_EMULATE	# XXX - Ever needed?
# options 	HAVE_IOCACHE	# XXX - Not yet supported.

# Needs to be set per system.  i.e change these as you see fit
maxusers	2

# Standard system options
# ... debugging options
#options 	DDB
# Compatibility options (none)

# Filesystem options
# Need FFS for the ramdisk image.
file-system	FFS		# Berkeley Fast Filesystem
# May need these to get miniroot image.
file-system	NFS		# Sun NFS client support
file-system	CD9660		# ISO 9660 + Rock Ridge file system
options 	FFS_NO_SNAPSHOT	# No FFS snapshot support
#file-system	PTYFS		# /dev/pts/N support

# Networking options
options 	INET		# IP protocol stack support
#options 	TCP_DEBUG	# Record last TCP_NDEBUG packets with SO_DEBUG

# Enable the hooks used for initializing the root memory-disk.
options 	MEMORY_DISK_HOOKS
options 	MEMORY_DISK_IS_ROOT	# force root on memory disk
options 	MEMORY_DISK_SERVER=0	# no userspace memory disk support
options 	MEMORY_DISK_ROOT_SIZE=1320	# size of memory disk, in blocks
options 	MEMORY_DISK_RBFLAGS=RB_SINGLE	# boot in single-user mode

options 	USERCONF	# userconf(4) support
options 	PIPE_SOCKETPAIR	# smaller, but slower pipe(2)
#options 	SYSCTL_INCLUDE_DESCR	# Include sysctl descriptions in kernel

config		netbsd root on ? type ffs

# On-board I/O space (required)
include "arch/sun3/conf/obio.sun3x"

# On-board memory (optional)
# See frame-buffers
# obmem0 at mainbus?

# VME bus support (optional)
# One unit for each address space
vme0 at mainbus? # A16/D16
vme1 at mainbus? # A16/D32
vme2 at mainbus? # A24/D16
vme3 at mainbus? # A24/D32
vme4 at mainbus? # A32/D16
vme5 at mainbus? # A32/D32

#
# Serial ports
#
zstty0	at zsc1 channel 0	# ttya
zstty1	at zsc1 channel 1	# ttyb

kbd0	at zsc0 channel 0	# keyboard
#ms0	at zsc0 channel 1	# mouse

#
# Network devices
#

# Intel Ethernet (onboard, or VME)
ie0 at obio0 addr 0x65000000 ipl 3
ie1 at vme2 addr 0xe88000 ipl 3 vect 0x75

# Lance Ethernet (only onboard)
le0 at obio0 addr 0x65002000 ipl 3

#
# Disk and tape devices
#

# Emulex SCSI (3/80 only)
# Both `dma' and `esp' are needed.
# See GENERIC3X for the flags description.
dma0 at obio0 addr 0x66001000 ipl 2
esp0 at obio0 addr 0x66000000 ipl 2 flags 0x000000

# Floppy drive
fdc0 at obio0 addr 0x6e000000 ipl 6 vect 0x40
fd0	at fdc0	# First (and only) floppy drive.

# Sun3 "si" SCSI controller (NCR 5380)
# See GENERIC3X for the flags description.
si0 at vme2 addr 0x200000 ipl 2 vect 0x40
si1 at vme2 addr 0x204000 ipl 2 vect 0x41

# Xylogics 450/451 controllers (VME A16/D16)
xyc0 at vme0 addr 0xee40 ipl 2 vect 0x48
xyc1 at vme0 addr 0xee48 ipl 2 vect 0x49
xy* at xyc? drive ?

# Xylogics 7053 controllers (VME A16/D32)
xdc0 at vme1 addr 0xee80 ipl 2 vect 0x44
xdc1 at vme1 addr 0xee90 ipl 2 vect 0x45
xd* at xdc? drive ?

# Xylogics 472 tape controllers?

#
# Frame buffer devices
# (Not needed for installation kernels.)

#
# SCSI infrastructure
#
scsibus* at scsi?

sd* at scsibus? target ? lun ?		# SCSI disks
st* at scsibus? target ? lun ?		# SCSI tapes
cd* at scsibus? target ? lun ?		# SCSI CD-ROMs
#ch* at scsibus? target ? lun ?		# SCSI changer devices
#ss* at scsibus? target ? lun ?		# SCSI scanners
#uk* at scsibus? target ? lun ?		# unknown SCSI devices

# Memory-disk drivers (root for install tape)
pseudo-device	md		

# Misc.
pseudo-device	loop			# network loopback
pseudo-device	sl			# CSLIP
#pseudo-device	fss			# file system snapshot device