RAMDISK revision 1.13
11.13Sgmcgarry# $NetBSD: RAMDISK,v 1.13 2002/04/12 08:11:23 gmcgarry Exp $
21.1Sfredette
31.1Sfredette# RAMDISK: Root/swap on ramdisk
41.1Sfredette# This kernel is used to:
51.6Slukem#	format the disk (not yet implemented)
61.6Slukem#	partition the disk (disklabel)
71.6Slukem#	install the miniroot in the swap partition
81.1Sfredette
91.1Sfredette# GENERIC Sun2 (2/120, 2/170, 2/50, ...)
101.1Sfredette# Supports root on: ie0, sd*, ...
111.1Sfredette
121.1Sfredetteinclude "arch/sun2/conf/std.sun2"
131.1Sfredette
141.1Sfredette# Machines to be supported by this kernel
151.1Sfredette#options 	FPU_EMULATE
161.1Sfredette
171.1Sfredette# Needs to be set per system.  i.e change these as you see fit
181.1Sfredettemaxusers	2
191.1Sfredette
201.1Sfredette# Standard system options
211.1Sfredette#options 	KTRACE		# system call tracing
221.1Sfredette#options 	SYSVMSG		# System V message queues
231.1Sfredette#options 	SYSVSEM		# System V semaphores
241.1Sfredette#options 	SYSVSHM		# System V shared memory
251.1Sfredette#options 	SHMMAXPGS=1024	# 1024 pages is the default
261.1Sfredette#options 	LKM		# loadable kernel modules
271.1Sfredette#options 	INSECURE	# disable kernel security level
281.1Sfredette#options 	UCONSOLE	# Allow non-root TIOCCONS
291.13Sgmcgarry#options 	USERCONF	# userconf(4) support
301.10Sjdolecek#options	PIPE_SOCKETPAIR	# smaller, but slower pipe(2)
311.1Sfredette
321.1Sfredette# Which kernel debugger?  Uncomment either this:
331.1Sfredette#options 	DDB
341.1Sfredette# ... or these for KGDB (gdb remote target)
351.6Slukem#makeoptions	DEBUG="-g"	# debugging symbols for gdb
361.1Sfredette#options 	KGDB
371.5Slukem#options 	KGDB_DEV=0x0C00	# ttya=0C00 ttyb=0C01
381.1Sfredette
391.1Sfredette# Other debugging options
401.1Sfredette#options 	DDB_HISTORY_SIZE=100	# enable history editing in DDB
411.1Sfredette#options 	DEBUG		# kernel debugging code
421.1Sfredette#options 	DIAGNOSTIC	# extra kernel sanity checking
431.1Sfredette#options 	KMEMSTATS	# kernel memory statistics (vmstat -m)
441.1Sfredette#options 	PMAP_DEBUG
451.1Sfredette#options 	SCSIDEBUG
461.1Sfredette#options 	SCSIVERBOSE		# Verbose SCSI errors
471.1Sfredette
481.2Swiz# Compatibility options
491.1Sfredette#options 	COMPAT_SUNOS	# can run SunOS 4.1.1 executables
501.1Sfredette#options 	COMPAT_43	# and 4.3BSD and ...
511.7Sfredette#options 	COMPAT_AOUT_M68K # support for NetBSD a.out executables
521.7Sfredette#options 	TCP_COMPAT_42	# 4.2BSD TCP/IP bug compat. Not recommended.
531.6Slukemoptions 	EXEC_AOUT	# support for a.out executables
541.1Sfredette
551.1Sfredette# Filesystem options
561.1Sfredettefile-system	FFS		# Berkeley Fast Filesystem
571.1Sfredettefile-system	NFS		# Sun NFS client support
581.1Sfredettefile-system	CD9660		# ISO 9660 + Rock Ridge file system
591.1Sfredette#file-system	FDESC		# /dev/fd/*
601.1Sfredette#file-system	KERNFS		# /kern
611.1Sfredette#file-system	NULLFS		# loopback file system
621.1Sfredette#file-system	OVERLAY		# overlay file system
631.1Sfredette#file-system	PROCFS		# /proc
641.1Sfredette#file-system	UNION		# union file system
651.1Sfredette#file-system	MFS		# memory-based filesystem
661.1Sfredette
671.1Sfredette#options 	NFSSERVER	# nfs server support
681.1Sfredette#options 	QUOTA		# FFS quotas
691.7Sfredette#options 	FFS_EI		# FFS Endian Independant support
701.6Slukem#options 	SOFTDEP		# FFS soft updates support.
711.9Sfredette#options 	NFS_V2_ONLY	# Exclude NFS3 and NQNFS code to save space
721.8Sfredetteoptions 	VNODE_OP_NOINLINE # Save space by not inlining vnode op calls
731.1Sfredette
741.1Sfredette# Networking options
751.1Sfredetteoptions 	INET		# IP prototol stack support
761.1Sfredette#options 	INET6		# IPV6
771.1Sfredette#options 	IPSEC		# IP security
781.1Sfredette#options 	IPSEC_ESP	# IP security (encryption part; define w/IPSEC)
791.1Sfredette#options 	IPSEC_DEBUG	# debug for IP security
801.1Sfredette#options 	GATEWAY		# IP packet forwarding
811.1Sfredette#options 	ISO,TPIP	# OSI networking
821.1Sfredette#options 	EON		# OSI tunneling over IP
831.1Sfredette#options 	CCITT,LLC,HDLC	# X.25
841.1Sfredette#options 	PFIL_HOOKS	# pfil(9) packet filter hooks.
851.4Sabs#options 	TCP_DEBUG	# Record last TCP_NDEBUG packets with SO_DEBUG
861.1Sfredette
871.1Sfredette# Work-around for root on slow servers (insurance...)
881.1Sfredette#options 	NFS_BOOT_RWSIZE=1024
891.1Sfredette#options 	NFS_BOOT_BOOTPARAM
901.1Sfredette
911.1Sfredette# Enable the hooks used for initializing the root memory-disk.
921.6Slukemoptions 	MEMORY_DISK_HOOKS
931.6Slukemoptions 	MEMORY_DISK_IS_ROOT	# force root on memory disk
941.6Slukemoptions 	MEMORY_DISK_SERVER=0	# no userspace memory disk support
951.12Slukemoptions 	MEMORY_DISK_ROOT_SIZE=800	# size of memory disk, in blocks
961.1Sfredette
971.1Sfredetteconfig		netbsd root on ? type ffs
981.1Sfredette
991.1Sfredette#### Main bus.
1001.1Sfredettemainbus0 at root
1011.1Sfredette
1021.1Sfredette#### Bus types.
1031.1Sfredette
1041.1Sfredetteobio0	at mainbus? 		# all Sun-2
1051.1Sfredetteobmem0	at mainbus?		# all Sun-2
1061.1Sfredettembmem0	at mainbus?		# 2/120, 2/170
1071.1Sfredettembio0	at mainbus?		# 2/120, 2/170
1081.3Sfredettesun68kvme0	at mainbus?	# 2/50, 2/130, 2/160
1091.3Sfredettevme0	at sun68kvme0		# mi VME attachment
1101.1Sfredette
1111.1Sfredette#### Standard system devices.
1121.1Sfredette
1131.1Sfredette## The AM9513 clock chip.
1141.6Slukemclock0	at obio0 addr 0x002800	# 2/120, 2/170
1151.6Slukemclock0	at obio0 addr 0x7f2800	# 2/50, 2/130, 2/160
1161.1Sfredette
1171.1Sfredette## The MM58167 time-of-day chip.
1181.6Slukemtod0	at obio0 addr 0x003800	# 2/120, 2/170
1191.3Sfredettetod0	at vme0 addr 0x200800	# 2/50, 2/130, 2/160
1201.1Sfredette
1211.1Sfredette#### Serial port configuration.
1221.1Sfredette
1231.3Sfredette## Zilog 8530 serial chips.  Each has two channels.
1241.1Sfredette## zs0 is ttya and ttyb.  zs1 is the keyboard and mouse.
1251.1Sfredette## zs0 is REQUIRED to use KGDB.
1261.1Sfredettezs0	at obio0 addr 0x002000	# 2/120, 2/170
1271.3Sfredettezs0	at obio0 addr 0x7f2000	# 2/50
1281.1Sfredettezs1	at obmem0 addr 0x780000	# 2/120, 2/170
1291.3Sfredettezs1	at obio0 addr 0x7f1800	# 2/50
1301.9Sfredette#zs2	at mbmem0 addr 0x080800	# 2/120, 2/170 (first sc SCSI)
1311.9Sfredette#zs3	at mbmem0 addr 0x081000	# 2/120, 2/170 (first sc SCSI)
1321.9Sfredette#zs4	at mbmem0 addr 0x084800	# 2/120, 2/170 (second sc SCSI)
1331.9Sfredette#zs5	at mbmem0 addr 0x085000	# 2/120, 2/170 (second sc SCSI)
1341.3Sfredettezstty*	at zs? channel ?	# ttya
1351.3Sfredettekbd0	at zstty?		# keyboard
1361.3Sfredette#ms0	at zstty?		# mouse
1371.1Sfredette
1381.1Sfredette#### Disk controllers and disks.
1391.1Sfredette
1401.1Sfredette## PAL+logic-based "Sun SCSI 2" Multibus/VME SCSI controller.
1411.1Sfredette## This driver has several flags which may be enabled using
1421.1Sfredette## the "flags" directive.  Valid flags are:
1431.1Sfredette##
1441.1Sfredette## 0x0ff		Set (1<<target) to disable parity checking
1451.1Sfredette## 0x100		Set this bit to disable DMA interrupts (poll)
1461.1Sfredette## 0x200		Set this bit to disable DMA entirely (use PIO)
1471.1Sfredette##
1481.1Sfredette## For example: "flags 0x10f" would disable DMA interrupts,
1491.1Sfredette## and disable parity for targets 0-3
1501.1Sfredette
1511.1Sfredettesc0	at mbmem0 addr 0x80000 ipl 2 flags 0xff
1521.6Slukemsc0	at vme0 addr 0x200000 irq 2 vect 0x40 flags 0xff
1531.1Sfredettesc1	at mbmem0 addr 0x84000 ipl 2 flags 0xff
1541.1Sfredette
1551.1Sfredette## NCR5380-based "Sun SCSI 3" VME SCSI controller.
1561.1Sfredette## This driver has several flags which may be enabled by OR'ing
1571.1Sfredette## the values and using the "flags" directive.
1581.1Sfredette## Valid flags are:
1591.1Sfredette##
1601.1Sfredette##	0x01		Use DMA (may be polled)
1611.1Sfredette##	0x02		Use DMA completion interrupts
1621.1Sfredette##	0x04		Allow disconnect/reselect
1631.1Sfredette##
1641.1Sfredette## E.g. the following would enable DMA, interrupts, and reselect:
1651.1Sfredette## si0	at vme0 addr 0x200000 ipl 3 vect 0x40 flags 0x07
1661.1Sfredette##
1671.1Sfredette## By default, DMA is enabled in the driver.
1681.1Sfredette
1691.3Sfredettesi0	at vme0 addr 0x200000 irq 2 vect 0x40
1701.1Sfredette
1711.1Sfredette## These entries find devices on all SCSI busses and assign
1721.1Sfredette## unit numbers dynamically.
1731.1Sfredettescsibus* at sc?
1741.3Sfredettescsibus* at si?
1751.1Sfredettesd*	at scsibus? target ? lun ?		# SCSI disks
1761.1Sfredettest*	at scsibus? target ? lun ?		# SCSI tapes
1771.1Sfredettecd*	at scsibus? target ? lun ?		# SCSI CD-ROMs
1781.1Sfredette#ch*	at scsibus? target ? lun ?		# SCSI changer devices
1791.1Sfredette#ss*	at scsibus? target ? lun ?		# SCSI scanners
1801.1Sfredette#ses*	at scsibus? target ? lun ?		# SCSI SES/SAF-TE
1811.1Sfredette#uk*	at scsibus? target ? lun ?		# unknown SCSI
1821.8Sfredette
1831.8Sfredette# support old SCSI devices that don't understand the INQUIRY command
1841.8Sfredetteoptions 	SCSI_OLD_NOINQUIRY
1851.1Sfredette
1861.1Sfredette## Xylogics 450 or 451 Multibus/VME SMD disk controllers and disks.
1871.6Slukem#xyc0	at mbio0 addr 0xee40 ipl 2
1881.3Sfredettexyc0	at vme0 addr 0xee40 irq 2 vect 0x48
1891.6Slukem#xyc1	at mbio0 addr 0xee48 ipl 2
1901.3Sfredettexyc1	at vme0 addr 0xee48 irq 2 vect 0x49
1911.3Sfredettexy*	at xyc? drive ?
1921.1Sfredette
1931.1Sfredette## Memory-disk device.
1941.1Sfredettepseudo-device	md		2
1951.1Sfredette
1961.1Sfredette#### Network interfaces.
1971.1Sfredette
1981.1Sfredette## Intel Ethernet (onboard, or Multibus/VME)
1991.3Sfredetteie0	at obio0 addr 0x7f0800 ipl 3		# 2/50
2001.1Sfredetteie0	at mbmem0 addr 0x88000 ipl 3
2011.3Sfredetteie1	at mbmem0 addr 0x8c000 ipl 3
2021.3Sfredette## VME: the first [addr,len] pair specifies the device registers;
2031.3Sfredette##	the second pair specifies the on-board memory buffer
2041.3Sfredetteie1	at vme0 addr 0xe88000,0xe00000 len -1,0x40000 irq 3 vect 0x75
2051.3Sfredette
2061.3Sfredette## 3Com Ethernet (Multibus only)
2071.3Sfredetteec0	at mbmem0 addr 0xe0000 ipl 3
2081.3Sfredetteec1	at mbmem0 addr 0xe2000 ipl 3
2091.1Sfredette
2101.1Sfredette## Frame buffers.
2111.1Sfredette
2121.1Sfredette## Sun "bwtwo" black and white framebuffer.
2131.6Slukem#bwtwo0	at obmem0 addr 0x700000	# 2/120, 2/170
2141.3Sfredette#bwtwo0	at obio0 addr 0x0	# 2/50
2151.3Sfredette
2161.3Sfredette## PROM console driver -- if all else fails
2171.3Sfredettepcons0	at mainbus0			# PROM console
2181.1Sfredette
2191.1Sfredette#### Miscellaneous.
2201.1Sfredettepseudo-device	loop		1	# network loopback
2211.1Sfredette#pseudo-device	bpfilter	8	# packet filter
2221.1Sfredettepseudo-device	sl		2	# CSLIP
2231.1Sfredette#pseudo-device	ppp		2	# PPP
2241.1Sfredette#pseudo-device	tun		2	# network tunneling over tty
2251.1Sfredette#pseudo-device	gre		2	# generic L3 over IP tunnel
2261.1Sfredette#pseudo-device	ipfilter		# ip filter
2271.1Sfredette#pseudo-device	gif		4	# IPv[46] over IPv[46] tunnel (RFC1933)
2281.1Sfredette#pseudo-device	faith		1	# IPv[46] tcp relay translation i/f
2291.1Sfredette#pseudo-device	stf		1	# 6to4 IPv6 over IPv4 encapsulation
2301.1Sfredette# rnd is EXPERIMENTAL
2311.1Sfredette#pseudo-device	rnd			# /dev/random and in-kernel generator
2321.1Sfredette
2331.7Sfredettepseudo-device	pty		4	# pseudo-terminals
2341.1Sfredette#pseudo-device	vnd		4	# paging to files
2351.1Sfredette#pseudo-device	ccd		4	# concatenated disks
2361.1Sfredette#pseudo-device	raid		4	# RAIDframe disk driver
2371.1Sfredette#options 	RAID_AUTOCONFIG		# auto-configuration of RAID components
238