RAMDISK3X revision 1.27
11.27Sdsl# $NetBSD: RAMDISK3X,v 1.27 2005/02/18 21:05:54 dsl Exp $
21.1Sjeremy
31.1Sjeremy# RAMDISK: Root/swap on ramdisk
41.1Sjeremy# This kernel is used to:
51.1Sjeremy#	format the disk (not yet implemented)
61.1Sjeremy#	partition the disk (disklabel)
71.1Sjeremy#	install the miniroot in the swap partition
81.1Sjeremy
91.4Sgwrinclude "arch/sun3/conf/std.sun3x"
101.21Satatat
111.21Satatat#options 	INCLUDE_CONFIG_FILE	# embed config file in kernel binary
121.3Sgwr
131.4Sgwr# Machines to be supported by this kernel
141.4Sgwr# options 	FPU_EMULATE	# XXX - Ever needed?
151.3Sgwr# options 	HAVE_IOCACHE	# XXX - Not yet supported.
161.1Sjeremy
171.1Sjeremy# Needs to be set per system.  i.e change these as you see fit
181.1Sjeremymaxusers	2
191.1Sjeremy
201.1Sjeremy# Standard system options
211.2Sgwr# ... debugging options
221.5Sgwr#options 	DDB
231.12Swiz# Compatibility options (none)
241.2Sgwr
251.2Sgwr# Filesystem options
261.2Sgwr# Need FFS for the ramdisk image.
271.2Sgwrfile-system	FFS		# Berkeley Fast Filesystem
281.2Sgwr# May need these to get miniroot image.
291.2Sgwrfile-system	NFS		# Sun NFS client support
301.2Sgwrfile-system	CD9660		# ISO 9660 + Rock Ridge file system
311.27Sdsloptions 	FFS_NO_SNAPSHOT	# No FFS snapshots
321.1Sjeremy
331.5Sgwr# Networking options
341.5Sgwroptions 	INET		# IP prototol stack support
351.13Sabs#options 	TCP_DEBUG	# Record last TCP_NDEBUG packets with SO_DEBUG
361.13Sabs
371.13Sabs#options 	TCP_COMPAT_42	# 4.2BSD TCP/IP bug compat. Not recommended.
381.5Sgwr
391.3Sgwr# Enable the hooks used for initializing the root memory-disk.
401.1Sjeremyoptions 	MEMORY_DISK_HOOKS
411.3Sgwroptions 	MEMORY_DISK_IS_ROOT	# force root on memory disk
421.3Sgwroptions 	MEMORY_DISK_SERVER=0	# no userspace memory disk support
431.23Schsoptions 	MEMORY_DISK_ROOT_SIZE=1000	# size of memory disk, in blocks
441.17Sjdolecek
451.22Slukemoptions 	USERCONF	# userconf(4) support
461.17Sjdolecekoptions		PIPE_SOCKETPAIR	# smaller, but slower pipe(2)
471.24Satatat#options 	SYSCTL_INCLUDE_DESCR	# Include sysctl descriptions in kernel
481.1Sjeremy
491.11Stsutsuiconfig		netbsd root on ? type ffs
501.1Sjeremy
511.3Sgwr# On-board I/O space (required)
521.3Sgwrinclude "arch/sun3/conf/obio.sun3x"
531.3Sgwr
541.3Sgwr# On-board memory (optional)
551.3Sgwr# See frame-buffers
561.3Sgwr# obmem0 at mainbus?
571.3Sgwr
581.3Sgwr# VME bus support (optional)
591.3Sgwr# One unit for each address space
601.3Sgwrvme0 at mainbus? # A16/D16
611.3Sgwrvme1 at mainbus? # A16/D32
621.3Sgwrvme2 at mainbus? # A24/D16
631.3Sgwrvme3 at mainbus? # A24/D32
641.3Sgwrvme4 at mainbus? # A32/D16
651.3Sgwrvme5 at mainbus? # A32/D32
661.1Sjeremy
671.1Sjeremy#
681.1Sjeremy# Serial ports
691.1Sjeremy#
701.1Sjeremyzstty0	at zsc1 channel 0	# ttya
711.1Sjeremyzstty1	at zsc1 channel 1	# ttyb
721.1Sjeremy
731.1Sjeremykbd0	at zsc0 channel 0	# keyboard
741.3Sgwr#ms0	at zsc0 channel 1	# mouse
751.1Sjeremy
761.1Sjeremy#
771.1Sjeremy# Network devices
781.1Sjeremy#
791.1Sjeremy
801.3Sgwr# Intel Ethernet (onboard, or VME)
811.2Sgwrie0 at obio0 addr 0x65000000 ipl 3
821.16Slukemie1 at vme2 addr 0xe88000 ipl 3 vect 0x75
831.2Sgwr
841.1Sjeremy# Lance Ethernet (only onboard)
851.1Sjeremyle0 at obio0 addr 0x65002000 ipl 3
861.1Sjeremy
871.1Sjeremy#
881.1Sjeremy# Disk and tape devices
891.1Sjeremy#
901.1Sjeremy
911.2Sgwr# Emulex SCSI (3/80 only)
921.8Sgwr# Both `dma' and `esp' are needed.
931.5Sgwr# See GENERIC3X for the flags description.
941.8Sgwrdma0 at obio0 addr 0x66001000 ipl 2
951.25Stsutsuiesp0 at obio0 addr 0x66000000 ipl 2 flags 0x000000
961.1Sjeremy
971.1Sjeremy# Floppy drive
981.1Sjeremyfdc0 at obio0 addr 0x6e000000 ipl 6 vect 0x40
991.16Slukemfd0	at fdc0	# First (and only) floppy drive.
1001.1Sjeremy
1011.3Sgwr# Sun3 "si" SCSI controller (NCR 5380)
1021.5Sgwr# See GENERIC3X for the flags description.
1031.16Slukemsi0 at vme2 addr 0x200000 ipl 2 vect 0x40
1041.16Slukemsi1 at vme2 addr 0x204000 ipl 2 vect 0x41
1051.3Sgwr
1061.3Sgwr# Xylogics 450/451 controllers (VME A16/D16)
1071.3Sgwrxyc0 at vme0 addr 0xee40 ipl 2 vect 0x48
1081.3Sgwrxyc1 at vme0 addr 0xee48 ipl 2 vect 0x49
1091.3Sgwrxy* at xyc? drive ?
1101.3Sgwr
1111.3Sgwr# Xylogics 7053 controllers (VME A16/D32)
1121.3Sgwrxdc0 at vme1 addr 0xee80 ipl 2 vect 0x44
1131.3Sgwrxdc1 at vme1 addr 0xee90 ipl 2 vect 0x45
1141.3Sgwrxd* at xdc? drive ?
1151.3Sgwr
1161.3Sgwr# Xylogics 472 tape controllers?
1171.3Sgwr
1181.1Sjeremy#
1191.1Sjeremy# Frame buffer devices
1201.5Sgwr# (Not needed for installation kernels.)
1211.1Sjeremy
1221.1Sjeremy#
1231.1Sjeremy# SCSI infrastructure
1241.1Sjeremy#
1251.1Sjeremyscsibus* at scsi?
1261.1Sjeremy
1271.1Sjeremysd* at scsibus? target ? lun ?		# SCSI disks
1281.1Sjeremyst* at scsibus? target ? lun ?		# SCSI tapes
1291.1Sjeremycd* at scsibus? target ? lun ?		# SCSI CD-ROMs
1301.1Sjeremy#ch* at scsibus? target ? lun ?		# SCSI changer devices
1311.1Sjeremy#ss* at scsibus? target ? lun ?		# SCSI scanners
1321.3Sgwr#uk* at scsibus? target ? lun ?		# unknown SCSI devices
1331.1Sjeremy
1341.2Sgwr# Memory-disk drivers (root for install tape)
1351.1Sjeremypseudo-device	md		2
1361.1Sjeremy
1371.1Sjeremy# Misc.
1381.1Sjeremypseudo-device	loop		1	# network loopback
1391.1Sjeremypseudo-device	sl		2	# CSLIP
1401.26Shannken#pseudo-device	fss		4	# file system snapshot device
141