RAMDISK3X revision 1.36
11.36Stsutsui# $NetBSD: RAMDISK3X,v 1.36 2008/04/05 22:08:41 tsutsui 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
131.36Stsutsuimakeoptions	COPTS="-Os"	# bootloader has size limit (~2MB)
141.36Stsutsui
151.4Sgwr# Machines to be supported by this kernel
161.4Sgwr# options 	FPU_EMULATE	# XXX - Ever needed?
171.3Sgwr# options 	HAVE_IOCACHE	# XXX - Not yet supported.
181.1Sjeremy
191.1Sjeremy# Needs to be set per system.  i.e change these as you see fit
201.1Sjeremymaxusers	2
211.1Sjeremy
221.1Sjeremy# Standard system options
231.2Sgwr# ... debugging options
241.5Sgwr#options 	DDB
251.12Swiz# Compatibility options (none)
261.2Sgwr
271.2Sgwr# Filesystem options
281.2Sgwr# Need FFS for the ramdisk image.
291.2Sgwrfile-system	FFS		# Berkeley Fast Filesystem
301.2Sgwr# May need these to get miniroot image.
311.2Sgwrfile-system	NFS		# Sun NFS client support
321.2Sgwrfile-system	CD9660		# ISO 9660 + Rock Ridge file system
331.32Stsutsuioptions 	FFS_NO_SNAPSHOT	# No FFS snapshot support
341.30Schristos#file-system	PTYFS		# /dev/pts/N support
351.1Sjeremy
361.5Sgwr# Networking options
371.31Sisakioptions 	INET		# IP protocol stack support
381.13Sabs#options 	TCP_DEBUG	# Record last TCP_NDEBUG packets with SO_DEBUG
391.13Sabs
401.13Sabs#options 	TCP_COMPAT_42	# 4.2BSD TCP/IP bug compat. Not recommended.
411.5Sgwr
421.3Sgwr# Enable the hooks used for initializing the root memory-disk.
431.1Sjeremyoptions 	MEMORY_DISK_HOOKS
441.3Sgwroptions 	MEMORY_DISK_IS_ROOT	# force root on memory disk
451.3Sgwroptions 	MEMORY_DISK_SERVER=0	# no userspace memory disk support
461.23Schsoptions 	MEMORY_DISK_ROOT_SIZE=1000	# size of memory disk, in blocks
471.17Sjdolecek
481.22Slukemoptions 	USERCONF	# userconf(4) support
491.34Stsutsuioptions 	PIPE_SOCKETPAIR	# smaller, but slower pipe(2)
501.24Satatat#options 	SYSCTL_INCLUDE_DESCR	# Include sysctl descriptions in kernel
511.1Sjeremy
521.11Stsutsuiconfig		netbsd root on ? type ffs
531.1Sjeremy
541.3Sgwr# On-board I/O space (required)
551.3Sgwrinclude "arch/sun3/conf/obio.sun3x"
561.3Sgwr
571.3Sgwr# On-board memory (optional)
581.3Sgwr# See frame-buffers
591.3Sgwr# obmem0 at mainbus?
601.3Sgwr
611.3Sgwr# VME bus support (optional)
621.3Sgwr# One unit for each address space
631.3Sgwrvme0 at mainbus? # A16/D16
641.3Sgwrvme1 at mainbus? # A16/D32
651.3Sgwrvme2 at mainbus? # A24/D16
661.3Sgwrvme3 at mainbus? # A24/D32
671.3Sgwrvme4 at mainbus? # A32/D16
681.3Sgwrvme5 at mainbus? # A32/D32
691.1Sjeremy
701.1Sjeremy#
711.1Sjeremy# Serial ports
721.1Sjeremy#
731.1Sjeremyzstty0	at zsc1 channel 0	# ttya
741.1Sjeremyzstty1	at zsc1 channel 1	# ttyb
751.1Sjeremy
761.1Sjeremykbd0	at zsc0 channel 0	# keyboard
771.3Sgwr#ms0	at zsc0 channel 1	# mouse
781.1Sjeremy
791.1Sjeremy#
801.1Sjeremy# Network devices
811.1Sjeremy#
821.1Sjeremy
831.3Sgwr# Intel Ethernet (onboard, or VME)
841.2Sgwrie0 at obio0 addr 0x65000000 ipl 3
851.16Slukemie1 at vme2 addr 0xe88000 ipl 3 vect 0x75
861.2Sgwr
871.1Sjeremy# Lance Ethernet (only onboard)
881.1Sjeremyle0 at obio0 addr 0x65002000 ipl 3
891.1Sjeremy
901.1Sjeremy#
911.1Sjeremy# Disk and tape devices
921.1Sjeremy#
931.1Sjeremy
941.2Sgwr# Emulex SCSI (3/80 only)
951.8Sgwr# Both `dma' and `esp' are needed.
961.5Sgwr# See GENERIC3X for the flags description.
971.8Sgwrdma0 at obio0 addr 0x66001000 ipl 2
981.25Stsutsuiesp0 at obio0 addr 0x66000000 ipl 2 flags 0x000000
991.1Sjeremy
1001.1Sjeremy# Floppy drive
1011.1Sjeremyfdc0 at obio0 addr 0x6e000000 ipl 6 vect 0x40
1021.16Slukemfd0	at fdc0	# First (and only) floppy drive.
1031.1Sjeremy
1041.3Sgwr# Sun3 "si" SCSI controller (NCR 5380)
1051.5Sgwr# See GENERIC3X for the flags description.
1061.16Slukemsi0 at vme2 addr 0x200000 ipl 2 vect 0x40
1071.16Slukemsi1 at vme2 addr 0x204000 ipl 2 vect 0x41
1081.3Sgwr
1091.3Sgwr# Xylogics 450/451 controllers (VME A16/D16)
1101.3Sgwrxyc0 at vme0 addr 0xee40 ipl 2 vect 0x48
1111.3Sgwrxyc1 at vme0 addr 0xee48 ipl 2 vect 0x49
1121.3Sgwrxy* at xyc? drive ?
1131.3Sgwr
1141.3Sgwr# Xylogics 7053 controllers (VME A16/D32)
1151.3Sgwrxdc0 at vme1 addr 0xee80 ipl 2 vect 0x44
1161.3Sgwrxdc1 at vme1 addr 0xee90 ipl 2 vect 0x45
1171.3Sgwrxd* at xdc? drive ?
1181.3Sgwr
1191.3Sgwr# Xylogics 472 tape controllers?
1201.3Sgwr
1211.1Sjeremy#
1221.1Sjeremy# Frame buffer devices
1231.5Sgwr# (Not needed for installation kernels.)
1241.1Sjeremy
1251.1Sjeremy#
1261.1Sjeremy# SCSI infrastructure
1271.1Sjeremy#
1281.1Sjeremyscsibus* at scsi?
1291.1Sjeremy
1301.1Sjeremysd* at scsibus? target ? lun ?		# SCSI disks
1311.1Sjeremyst* at scsibus? target ? lun ?		# SCSI tapes
1321.1Sjeremycd* at scsibus? target ? lun ?		# SCSI CD-ROMs
1331.1Sjeremy#ch* at scsibus? target ? lun ?		# SCSI changer devices
1341.1Sjeremy#ss* at scsibus? target ? lun ?		# SCSI scanners
1351.3Sgwr#uk* at scsibus? target ? lun ?		# unknown SCSI devices
1361.1Sjeremy
1371.2Sgwr# Memory-disk drivers (root for install tape)
1381.1Sjeremypseudo-device	md		2
1391.1Sjeremy
1401.1Sjeremy# Misc.
1411.1Sjeremypseudo-device	loop		1	# network loopback
1421.33Scubepseudo-device	sl			# CSLIP
1431.26Shannken#pseudo-device	fss		4	# file system snapshot device
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