RAMDISK revision 1.39
11.39Sdsl#	$NetBSD: RAMDISK,v 1.39 2005/02/18 21:05:54 dsl Exp $
21.1Sgwr
31.1Sgwr# RAMDISK: Root/swap on ramdisk
41.1Sgwr# This kernel is used to:
51.1Sgwr#	format the disk (not yet implemented)
61.1Sgwr#	partition the disk (disklabel)
71.1Sgwr#	install the miniroot in the swap partition
81.1Sgwr
91.5Sjtcinclude "arch/sun3/conf/std.sun3"
101.34Satatat
111.34Satatat#options 	INCLUDE_CONFIG_FILE	# embed config file in kernel binary
121.1Sgwr
131.17Sgwr# Machines to be supported by this kernel
141.13Sgwr# options 	FPU_EMULATE		# No FP code here!
151.1Sgwroptions 	HAVECACHE		# Sun3/260 VAC
161.1Sgwr
171.1Sgwr# Needs to be set per system.  i.e change these as you see fit
181.1Sgwrmaxusers	2
191.1Sgwr
201.1Sgwr# Standard system options
211.13Sgwr# ... debugging options
221.18Sgwr#options 	DDB
231.25Swiz# Compatibility options (none)
241.6Sthorpej
251.13Sgwr# Filesystem options
261.13Sgwr# Need FFS for the ramdisk image.
271.13Sgwrfile-system	FFS		# Berkeley Fast Filesystem
281.13Sgwr# May need these to get miniroot image.
291.13Sgwrfile-system	NFS		# Sun NFS client support
301.13Sgwrfile-system	CD9660		# ISO 9660 + Rock Ridge file system
311.39Sdsloptions 	FFS_NO_SNAPSHOT	# No FFS snapshots
321.2Sgwr
331.18Sgwr# Networking options
341.18Sgwroptions 	INET		# IP prototol stack support
351.26Sabs#options 	TCP_DEBUG	# Record last TCP_NDEBUG packets with SO_DEBUG
361.26Sabs
371.26Sabs#options 	TCP_COMPAT_42	# 4.2BSD TCP/IP bug compat. Not recommended.
381.18Sgwr
391.13Sgwr# Enable the hooks used for initializing the root memory-disk.
401.8Spkoptions 	MEMORY_DISK_HOOKS
411.13Sgwroptions 	MEMORY_DISK_IS_ROOT	# force root on memory disk
421.13Sgwroptions 	MEMORY_DISK_SERVER=0	# no userspace memory disk support
431.36Schsoptions 	MEMORY_DISK_ROOT_SIZE=1000	# size of memory disk, in blocks
441.30Sjdolecek
451.35Slukemoptions 	USERCONF	# userconf(4) support
461.30Sjdolecekoptions		PIPE_SOCKETPAIR	# smaller, but slower pipe(2)
471.37Satatat#options 	SYSCTL_INCLUDE_DESCR	# Include sysctl descriptions in kernel
481.1Sgwr
491.24Stsutsuiconfig		netbsd root on ? type ffs
501.1Sgwr
511.16Sgwr# On-board I/O space (required)
521.16Sgwrinclude "arch/sun3/conf/obio.sun3"
531.16Sgwr
541.16Sgwr# On-board memory (optional)
551.16Sgwr# See frame-buffers
561.16Sgwr# obmem0 at mainbus?
571.16Sgwr
581.16Sgwr# VME bus support (optional)
591.16Sgwr# One unit for each address space
601.16Sgwrvme0 at mainbus? # A16/D16
611.16Sgwrvme1 at mainbus? # A16/D32
621.16Sgwrvme2 at mainbus? # A24/D16
631.16Sgwrvme3 at mainbus? # A24/D32
641.16Sgwrvme4 at mainbus? # A32/D16
651.16Sgwrvme5 at mainbus? # A32/D32
661.16Sgwr
671.2Sgwr#
681.3Sgwr# Serial ports
691.3Sgwr#
701.11Slukemzstty0	at zsc1 channel 0	# ttya
711.11Slukemzstty1	at zsc1 channel 1	# ttyb
721.3Sgwr
731.11Slukemkbd0	at zsc0 channel 0	# keyboard
741.13Sgwr#ms0	at zsc0 channel 1	# mouse
751.3Sgwr
761.3Sgwr#
771.2Sgwr# Network devices
781.2Sgwr#
791.1Sgwr
801.2Sgwr# Intel Ethernet (onboard, or VME)
811.16Sgwrie0 at obio0 addr 0x0C0000 ipl 3
821.29Slukemie1 at vme2 addr 0xe88000 ipl 3 vect 0x75
831.1Sgwr
841.2Sgwr# Lance Ethernet (only onboard)
851.16Sgwrle0 at obio0 addr 0x120000 ipl 3
861.16Sgwr
871.16Sgwr# All Sun3 machines with an "le" (3/50, 3/60) should be
881.16Sgwr# presumed to have the old, buggy LANCE chip. (Rev. C)
891.16Sgwroptions 	LANCE_REVC_BUG
901.1Sgwr
911.2Sgwr#
921.2Sgwr# Disk and tape devices
931.2Sgwr#
941.2Sgwr
951.2Sgwr# Sun3 "si" SCSI controller (NCR 5380)
961.13Sgwr# See GENERIC for the flags description.
971.16Sgwrsi0 at obio0 addr 0x140000 ipl 2
981.29Slukemsi0 at vme2 addr 0x200000 ipl 2 vect 0x40
991.29Slukemsi1 at vme2 addr 0x204000 ipl 2 vect 0x41
1001.16Sgwr
1011.16Sgwr# Xylogics 450/451 controllers (VME A16/D16)
1021.16Sgwrxyc0 at vme0 addr 0xee40 ipl 2 vect 0x48
1031.16Sgwrxyc1 at vme0 addr 0xee48 ipl 2 vect 0x49
1041.13Sgwrxy* at xyc? drive ?
1051.10Sgwr
1061.16Sgwr# Xylogics 7053 controllers (VME A16/D32)
1071.16Sgwrxdc0 at vme1 addr 0xee80 ipl 2 vect 0x44
1081.16Sgwrxdc1 at vme1 addr 0xee90 ipl 2 vect 0x45
1091.13Sgwrxd* at xdc? drive ?
1101.2Sgwr
1111.2Sgwr# Xylogics 472 tape controllers?
1121.13Sgwr
1131.16Sgwr# Sun3/E SCSI+Ethernet board (VME A24/D16)
1141.16Sgwr# Note: the board uses vect and vect+1
1151.16Sgwrsebuf0 at vme2 addr 0x300000 ipl 2 vect 0x74 # and 0x75
1161.16Sgwrsebuf1 at vme2 addr 0x340000 ipl 2 vect 0x76 # and 0x77
1171.13Sgwrsi* at sebuf?
1181.13Sgwrie* at sebuf?
1191.2Sgwr
1201.2Sgwr#
1211.2Sgwr# Frame buffer devices
1221.18Sgwr# (Not needed for installation kernels.)
1231.1Sgwr
1241.2Sgwr#
1251.2Sgwr# SCSI infrastructure
1261.2Sgwr#
1271.1Sgwrscsibus* at scsi?
1281.1Sgwr
1291.10Sgwrsd* at scsibus? target ? lun ?		# SCSI disks
1301.10Sgwrst* at scsibus? target ? lun ?		# SCSI tapes
1311.10Sgwrcd* at scsibus? target ? lun ?		# SCSI CD-ROMs
1321.10Sgwr#ch* at scsibus? target ? lun ?		# SCSI changer devices
1331.10Sgwr#ss* at scsibus? target ? lun ?		# SCSI scanners
1341.20Sgwr#uk* at scsibus? target ? lun ?		# unknown SCSI devices
1351.1Sgwr
1361.16Sgwr# Memory-disk drivers (root for install tape)
1371.11Slukempseudo-device	md		2
1381.2Sgwr
1391.2Sgwr# Misc.
1401.11Slukempseudo-device	loop		1	# network loopback
1411.11Slukempseudo-device	sl		2	# CSLIP
1421.38Shannken#pseudo-device	fss		4	# file system snapshot device
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