RAMDISK revision 1.50
11.50Sjym#	$NetBSD: RAMDISK,v 1.50 2009/02/06 18:50:28 jym 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
131.48Stsutsuimakeoptions	COPTS="-Os"		# bootloader has size limit (~2MB)
141.48Stsutsui
151.17Sgwr# Machines to be supported by this kernel
161.13Sgwr# options 	FPU_EMULATE		# No FP code here!
171.1Sgwroptions 	HAVECACHE		# Sun3/260 VAC
181.1Sgwr
191.1Sgwr# Needs to be set per system.  i.e change these as you see fit
201.1Sgwrmaxusers	2
211.1Sgwr
221.1Sgwr# Standard system options
231.13Sgwr# ... debugging options
241.18Sgwr#options 	DDB
251.25Swiz# Compatibility options (none)
261.6Sthorpej
271.13Sgwr# Filesystem options
281.13Sgwr# Need FFS for the ramdisk image.
291.13Sgwrfile-system	FFS		# Berkeley Fast Filesystem
301.13Sgwr# May need these to get miniroot image.
311.13Sgwrfile-system	NFS		# Sun NFS client support
321.13Sgwrfile-system	CD9660		# ISO 9660 + Rock Ridge file system
331.44Stsutsuioptions 	FFS_NO_SNAPSHOT	# No FFS snapshot support
341.42Schristos#file-system	PTYFS		# /dev/pts/N support
351.2Sgwr
361.18Sgwr# Networking options
371.43Sisakioptions 	INET		# IP protocol stack support
381.26Sabs#options 	TCP_DEBUG	# Record last TCP_NDEBUG packets with SO_DEBUG
391.26Sabs
401.26Sabs#options 	TCP_COMPAT_42	# 4.2BSD TCP/IP bug compat. Not recommended.
411.18Sgwr
421.13Sgwr# Enable the hooks used for initializing the root memory-disk.
431.8Spkoptions 	MEMORY_DISK_HOOKS
441.13Sgwroptions 	MEMORY_DISK_IS_ROOT	# force root on memory disk
451.13Sgwroptions 	MEMORY_DISK_SERVER=0	# no userspace memory disk support
461.49Sheoptions 	MEMORY_DISK_ROOT_SIZE=1200	# size of memory disk, in blocks
471.50Sjymoptions 	MEMORY_DISK_RBFLAGS=RB_SINGLE	# boot in single-user mode
481.30Sjdolecek
491.35Slukemoptions 	USERCONF	# userconf(4) support
501.46Stsutsuioptions 	PIPE_SOCKETPAIR	# smaller, but slower pipe(2)
511.37Satatat#options 	SYSCTL_INCLUDE_DESCR	# Include sysctl descriptions in kernel
521.1Sgwr
531.24Stsutsuiconfig		netbsd root on ? type ffs
541.1Sgwr
551.16Sgwr# On-board I/O space (required)
561.16Sgwrinclude "arch/sun3/conf/obio.sun3"
571.16Sgwr
581.16Sgwr# On-board memory (optional)
591.16Sgwr# See frame-buffers
601.16Sgwr# obmem0 at mainbus?
611.16Sgwr
621.16Sgwr# VME bus support (optional)
631.16Sgwr# One unit for each address space
641.16Sgwrvme0 at mainbus? # A16/D16
651.16Sgwrvme1 at mainbus? # A16/D32
661.16Sgwrvme2 at mainbus? # A24/D16
671.16Sgwrvme3 at mainbus? # A24/D32
681.16Sgwrvme4 at mainbus? # A32/D16
691.16Sgwrvme5 at mainbus? # A32/D32
701.16Sgwr
711.2Sgwr#
721.3Sgwr# Serial ports
731.3Sgwr#
741.11Slukemzstty0	at zsc1 channel 0	# ttya
751.11Slukemzstty1	at zsc1 channel 1	# ttyb
761.3Sgwr
771.11Slukemkbd0	at zsc0 channel 0	# keyboard
781.13Sgwr#ms0	at zsc0 channel 1	# mouse
791.3Sgwr
801.3Sgwr#
811.2Sgwr# Network devices
821.2Sgwr#
831.1Sgwr
841.2Sgwr# Intel Ethernet (onboard, or VME)
851.16Sgwrie0 at obio0 addr 0x0C0000 ipl 3
861.29Slukemie1 at vme2 addr 0xe88000 ipl 3 vect 0x75
871.1Sgwr
881.2Sgwr# Lance Ethernet (only onboard)
891.16Sgwrle0 at obio0 addr 0x120000 ipl 3
901.16Sgwr
911.16Sgwr# All Sun3 machines with an "le" (3/50, 3/60) should be
921.16Sgwr# presumed to have the old, buggy LANCE chip. (Rev. C)
931.16Sgwroptions 	LANCE_REVC_BUG
941.1Sgwr
951.2Sgwr#
961.2Sgwr# Disk and tape devices
971.2Sgwr#
981.2Sgwr
991.2Sgwr# Sun3 "si" SCSI controller (NCR 5380)
1001.13Sgwr# See GENERIC for the flags description.
1011.16Sgwrsi0 at obio0 addr 0x140000 ipl 2
1021.29Slukemsi0 at vme2 addr 0x200000 ipl 2 vect 0x40
1031.29Slukemsi1 at vme2 addr 0x204000 ipl 2 vect 0x41
1041.16Sgwr
1051.16Sgwr# Xylogics 450/451 controllers (VME A16/D16)
1061.16Sgwrxyc0 at vme0 addr 0xee40 ipl 2 vect 0x48
1071.16Sgwrxyc1 at vme0 addr 0xee48 ipl 2 vect 0x49
1081.13Sgwrxy* at xyc? drive ?
1091.10Sgwr
1101.16Sgwr# Xylogics 7053 controllers (VME A16/D32)
1111.16Sgwrxdc0 at vme1 addr 0xee80 ipl 2 vect 0x44
1121.16Sgwrxdc1 at vme1 addr 0xee90 ipl 2 vect 0x45
1131.13Sgwrxd* at xdc? drive ?
1141.2Sgwr
1151.2Sgwr# Xylogics 472 tape controllers?
1161.13Sgwr
1171.16Sgwr# Sun3/E SCSI+Ethernet board (VME A24/D16)
1181.16Sgwr# Note: the board uses vect and vect+1
1191.16Sgwrsebuf0 at vme2 addr 0x300000 ipl 2 vect 0x74 # and 0x75
1201.16Sgwrsebuf1 at vme2 addr 0x340000 ipl 2 vect 0x76 # and 0x77
1211.13Sgwrsi* at sebuf?
1221.13Sgwrie* at sebuf?
1231.2Sgwr
1241.2Sgwr#
1251.2Sgwr# Frame buffer devices
1261.18Sgwr# (Not needed for installation kernels.)
1271.1Sgwr
1281.2Sgwr#
1291.2Sgwr# SCSI infrastructure
1301.2Sgwr#
1311.1Sgwrscsibus* at scsi?
1321.1Sgwr
1331.10Sgwrsd* at scsibus? target ? lun ?		# SCSI disks
1341.10Sgwrst* at scsibus? target ? lun ?		# SCSI tapes
1351.10Sgwrcd* at scsibus? target ? lun ?		# SCSI CD-ROMs
1361.10Sgwr#ch* at scsibus? target ? lun ?		# SCSI changer devices
1371.10Sgwr#ss* at scsibus? target ? lun ?		# SCSI scanners
1381.20Sgwr#uk* at scsibus? target ? lun ?		# unknown SCSI devices
1391.1Sgwr
1401.16Sgwr# Memory-disk drivers (root for install tape)
1411.11Slukempseudo-device	md		2
1421.2Sgwr
1431.2Sgwr# Misc.
1441.11Slukempseudo-device	loop		1	# network loopback
1451.45Scubepseudo-device	sl			# CSLIP
1461.38Shannken#pseudo-device	fss		4	# file system snapshot device
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