# $NetBSD: RAMDISK,v 1.56 2020/06/19 10:35:11 tsutsui Exp $

# $NetBSD: RAMDISK,v 1.56 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.sun3"

#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 # No FP code here!
options HAVECACHE # Sun3/260 VAC

# 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.sun3"

# 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 0x0C0000 ipl 3
ie1 at vme2 addr 0xe88000 ipl 3 vect 0x75

# Lance Ethernet (only onboard)
le0 at obio0 addr 0x120000 ipl 3

# All Sun3 machines with an "le" (3/50, 3/60) should be
# presumed to have the old, buggy LANCE chip. (Rev. C)
options LANCE_REVC_BUG

#
# Disk and tape devices
#

# Sun3 "si" SCSI controller (NCR 5380)
# See GENERIC for the flags description.
si0 at obio0 addr 0x140000 ipl 2
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?

# Sun3/E SCSI+Ethernet board (VME A24/D16)
# Note: the board uses vect and vect+1
sebuf0 at vme2 addr 0x300000 ipl 2 vect 0x74 # and 0x75
sebuf1 at vme2 addr 0x340000 ipl 2 vect 0x76 # and 0x77
si* at sebuf?
ie* at sebuf?

#
# 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