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SMALLRAM revision 1.1.2.1
      1  1.1.2.1   lukem #	$NetBSD: SMALLRAM,v 1.1.2.1 2002/08/01 04:24:50 lukem Exp $
      2      1.1  scottr #
      3      1.1  scottr # This is an example of how to configure a small, efficient kernel for a
      4      1.1  scottr # system with limited RAM. Even so it's capable of doing quite a bit. The
      5      1.1  scottr # hypothetical system used for this example is a Macintosh IIx or
      6      1.1  scottr # Macintosh IIcx with 8 MB of RAM and an 80 MB disk. One or more DP5380-
      7      1.1  scottr # based NuBus Ethernet cards and one or more NuBus video cards are
      8      1.1  scottr # configured, and basic PPP support is available. This configuration is
      9      1.1  scottr # suitable for experimenting with NetBSD as a router with one or more
     10      1.1  scottr # Ethernet cards, and up to two PPP connections (one on each serial port).
     11      1.1  scottr 
     12      1.1  scottr include	"arch/mac68k/conf/std.mac68k"
     13      1.1  scottr 
     14      1.1  scottr #options 	INCLUDE_CONFIG_FILE	# embed config file in kernel binary
     15      1.1  scottr 
     16  1.1.2.1   lukem #ident 		"SMALLRAM-$Revision: 1.1.2.1 $"
     17      1.1  scottr 
     18      1.1  scottr maxusers	8
     19      1.1  scottr 
     20      1.1  scottr makeoptions	COPTS="-O2 -m68030"	# Optimize for the MC68030
     21      1.1  scottr 
     22      1.1  scottr # CPU support.  At least one is REQUIRED.
     23      1.1  scottr #options 	M68040
     24      1.1  scottr options 	M68030
     25      1.1  scottr #options 	M68020		# Note:  must have 68851 PMMU
     26      1.1  scottr 
     27      1.1  scottr # CPU-related options.
     28      1.1  scottr #options 	FPSP
     29      1.1  scottr #options 	FPU_EMULATE
     30      1.1  scottr 
     31      1.1  scottr # Standard system options
     32      1.1  scottr 
     33      1.1  scottr #options 	UCONSOLE	# users can use TIOCCONS (for xconsole)
     34      1.1  scottr #options 	INSECURE	# disable kernel security levels
     35      1.1  scottr 
     36      1.1  scottr options 	RTC_OFFSET=0	# hardware clock is this many mins. west of GMT
     37      1.1  scottr #options 	NTP		# NTP phase/frequency locked loop
     38      1.1  scottr 
     39      1.1  scottr options 	KTRACE		# system call tracing via ktrace(1)
     40      1.1  scottr 
     41      1.1  scottr options 	SYSVMSG		# System V-like message queues
     42      1.1  scottr options 	SYSVSEM		# System V-like semaphores
     43      1.1  scottr #options 	SEMMNI=10	# number of semaphore identifiers
     44      1.1  scottr #options 	SEMMNS=60	# number of semaphores in system
     45      1.1  scottr #options 	SEMUME=10	# max number of undo entries per process
     46      1.1  scottr #options 	SEMMNU=30	# number of undo structures in system
     47      1.1  scottr options 	SYSVSHM		# System V-like memory sharing
     48      1.1  scottr #options 	SHMMAXPGS=1024	# 1024 pages is the default
     49      1.1  scottr 
     50      1.1  scottr #options 	LKM		# loadable kernel modules
     51      1.1  scottr 
     52      1.1  scottr #options 	USERCONF	# userconf(4) support
     53      1.1  scottr #options	PIPE_SOCKETPAIR	# smaller, but slower pipe(2)
     54      1.1  scottr 
     55      1.1  scottr # Diagnostic/debugging support options
     56      1.1  scottr options 	DIAGNOSTIC	# cheap kernel consistency checks
     57      1.1  scottr #options 	DEBUG		# expensive debugging checks/support
     58      1.1  scottr #options 	KMEMSTATS	# kernel memory statistics (vmstat -m)
     59      1.1  scottr options 	DDB			# in-kernel debugger
     60      1.1  scottr #options 	DDB_HISTORY_SIZE=100	# enable history editing in DDB
     61      1.1  scottr #options 	KGDB			# remote debugger
     62      1.1  scottr #options 	KGDB_DEV=0xc01		# kgdb device number (dev_t)
     63      1.1  scottr #options 	KGDB_DEVRATE=38400	# baud rate
     64      1.1  scottr #makeoptions	DEBUG="-g"	# compile full symbol table
     65      1.1  scottr 
     66      1.1  scottr # Compatibility options
     67      1.1  scottr #options 	COMPAT_NOMID	# NetBSD 0.8,
     68      1.1  scottr #options 	COMPAT_09	# NetBSD 0.9,
     69      1.1  scottr #options 	COMPAT_10	# NetBSD 1.0,
     70      1.1  scottr #options 	COMPAT_11	# NetBSD 1.1,
     71      1.1  scottr options 	COMPAT_12	# NetBSD 1.2,
     72      1.1  scottr options 	COMPAT_13	# NetBSD 1.3,
     73      1.1  scottr options 	COMPAT_14	# NetBSD 1.4,
     74      1.1  scottr options 	COMPAT_15	# NetBSD 1.5,
     75      1.1  scottr #options 	COMPAT_43	# and 4.3BSD
     76      1.1  scottr #options 	TCP_COMPAT_42	# 4.2BSD TCP/IP bug compat. Not recommended.
     77      1.1  scottr 
     78      1.1  scottr # The following is needed to run pre-NetBSD 1.6 binaries under ELF.
     79      1.1  scottr options 	COMPAT_AOUT_M68K # compatibility with NetBSD/m68k a.out
     80      1.1  scottr options 	EXEC_AOUT	# support for exec'ing a.out
     81      1.1  scottr 
     82      1.1  scottr #options 	COMPAT_LINUX	# compatibility with Linux/m68k binaries
     83      1.1  scottr #options 	COMPAT_M68K4K	# compatibility with NetBSD/m68k4k binaries
     84      1.1  scottr #options 	COMPAT_SUNOS	# compatibility with SunOS 4.x binaries
     85      1.1  scottr #options 	COMPAT_SVR4	# compatibility with SVR4 binaries
     86      1.1  scottr 
     87      1.1  scottr # File systems
     88      1.1  scottr file-system 	FFS		# UFS
     89      1.1  scottr #file-system 	EXT2FS		# second extended file system (linux)
     90      1.1  scottr #file-system 	LFS		# log-structured file system
     91      1.1  scottr file-system 	MFS		# memory file system
     92      1.1  scottr file-system 	NFS		# Network File System client
     93      1.1  scottr #file-system 	CD9660		# ISO 9660 + Rock Ridge file system
     94      1.1  scottr #file-system 	MSDOSFS		# MS-DOS file system
     95      1.1  scottr #file-system 	FDESC		# /dev/fd
     96      1.1  scottr #file-system 	KERNFS		# /kern
     97      1.1  scottr #file-system 	NULLFS		# loopback file system
     98      1.1  scottr #file-system 	OVERLAY		# overlay file system
     99      1.1  scottr #file-system 	PORTAL		# portal filesystem (still experimental)
    100      1.1  scottr #file-system 	PROCFS		# /proc
    101      1.1  scottr #file-system 	UMAPFS		# NULLFS + uid and gid remapping
    102      1.1  scottr #file-system 	UNION		# union file system
    103      1.1  scottr #file-system 	CODA		# Venus/Coda distributed file system
    104      1.1  scottr 
    105      1.1  scottr # File system options
    106      1.1  scottr options 	QUOTA		# UFS quotas
    107      1.1  scottr #options 	FFS_EI		# FFS Endian Independant support
    108      1.1  scottr #options 	SOFTDEP		# FFS soft updates support.
    109      1.1  scottr #options 	NFSSERVER	# Network File System server
    110      1.1  scottr #options 	EXT2FS_SYSTEM_FLAGS # makes ext2fs file flags (append and
    111      1.1  scottr 				# immutable) behave as system flags.
    112      1.1  scottr 
    113      1.1  scottr # Networking options
    114      1.1  scottr options 	GATEWAY		# packet forwarding
    115      1.1  scottr options 	INET		# IP + ICMP + TCP + UDP
    116      1.1  scottr #options 	INET6		# IPV6
    117      1.1  scottr #options 	IPSEC		# IP security
    118      1.1  scottr #options 	IPSEC_ESP	# IP security (encryption part; define w/IPSEC)
    119      1.1  scottr #options 	IPSEC_DEBUG	# debug for IP security
    120      1.1  scottr options 	MROUTING	# IP multicast routing
    121      1.1  scottr #options 	NS		# XNS
    122      1.1  scottr #options 	NSIP		# XNS tunneling over IP
    123      1.1  scottr #options 	ISO,TPIP	# OSI
    124      1.1  scottr #options 	EON		# OSI tunneling over IP
    125      1.1  scottr #options 	CCITT,LLC,HDLC	# X.25
    126      1.1  scottr #options 	NETATALK	# AppleTalk networking protocols
    127      1.1  scottr options 	PPP_BSDCOMP	# BSD-Compress compression support for PPP
    128      1.1  scottr #options 	PPP_DEFLATE	# Deflate compression support for PPP
    129      1.1  scottr options 	PPP_FILTER	# Active filter support for PPP (requires bpf)
    130      1.1  scottr options 	PFIL_HOOKS	# pfil(9) packet filter hooks
    131      1.1  scottr #options 	IPFILTER_LOG	# ipmon(8) log support
    132      1.1  scottr #options 	TCP_DEBUG	# Record last TCP_NDEBUG packets with SO_DEBUG
    133      1.1  scottr 
    134      1.1  scottr # These options enable verbose messages for several subsystems.
    135      1.1  scottr # Warning, these may compile large string tables into the kernel!
    136      1.1  scottr #options 	SCSIVERBOSE	# human readable SCSI error messages
    137      1.1  scottr 
    138      1.1  scottr # wscons options
    139      1.1  scottr #options 	WSEMUL_SUN		# sun terminal emulation
    140      1.1  scottr options 	WSEMUL_VT100		# VT100 / VT220 emulation
    141      1.1  scottr options 	WSDISPLAY_COMPAT_ITEFONT # use ite font (6x10)
    142      1.1  scottr 
    143      1.1  scottr # rcons options; note that 1-bit and 8-bit displays are supported by default.
    144      1.1  scottr #options 	RCONS_2BPP		# Support for 2-bit display
    145      1.1  scottr #options 	RCONS_4BPP		# Support for 4-bit display
    146      1.1  scottr #options 	RCONS_16BPP		# Support for 16-bit display
    147      1.1  scottr 
    148      1.1  scottr # Mac-specific options
    149      1.1  scottr #options 	ALTXBUTTONS	# Map Opt-{1,2,3} to mouse buttons
    150      1.1  scottr #options 	DISABLE_EXT_CACHE # Don't use IIci external cache
    151      1.1  scottr options 	GRF_COMPAT	# Include grf compatibility code
    152      1.1  scottr #options 	MRG_ADB		# Use ROM-based ADB driver
    153      1.1  scottr #options 	ZS_CONSOLE_ABORT
    154      1.1  scottr 
    155      1.1  scottr 
    156      1.1  scottr # Kernel root file system and dump configuration.
    157      1.1  scottr config		netbsd	root on ? type ?
    158      1.1  scottr 
    159      1.1  scottr #
    160      1.1  scottr # Device configuration
    161      1.1  scottr #
    162      1.1  scottr 
    163      1.1  scottr mainbus0 at root
    164      1.1  scottr 
    165      1.1  scottr fpu0 at mainbus?			# Floating-Point Coprocessor support
    166      1.1  scottr 
    167      1.1  scottr 
    168      1.1  scottr # Basic Bus Support
    169      1.1  scottr 
    170      1.1  scottr # On-board I/O bus support
    171      1.1  scottr obio0 at mainbus?
    172      1.1  scottr 
    173      1.1  scottr # NuBus support
    174      1.1  scottr nubus0 at mainbus?
    175      1.1  scottr 
    176      1.1  scottr 
    177      1.1  scottr # Console Devices
    178      1.1  scottr 
    179      1.1  scottr # Apple Desktop Bus interface
    180      1.1  scottr adb0	at obio?
    181      1.1  scottr aed*	at adb?				# ADB event device
    182      1.1  scottr akbd*	at adb?				# ADB keyboard
    183      1.1  scottr ams*	at adb?				# ADB mouse
    184      1.1  scottr 
    185      1.1  scottr # Basic frame buffer support
    186      1.1  scottr #intvid0	at obio?			# Internal video hardware
    187      1.1  scottr macvid*	at nubus?			# NuBus video card
    188      1.1  scottr 
    189      1.1  scottr # Device-independent frame buffer interface
    190      1.1  scottr #macfb*	at intvid?
    191      1.1  scottr macfb*	at macvid?
    192      1.1  scottr 
    193      1.1  scottr # Workstation Console devices
    194      1.1  scottr wsdisplay0 at macfb? console ?
    195      1.1  scottr wskbd0	at akbd? console ?
    196      1.1  scottr wsmouse0 at ams?
    197      1.1  scottr 
    198      1.1  scottr 
    199      1.1  scottr # Serial Devices
    200      1.1  scottr 
    201      1.1  scottr # On-board serial interface
    202      1.1  scottr zsc0	at obio?
    203      1.1  scottr zstty*	at zsc? channel ?
    204      1.1  scottr 
    205      1.1  scottr 
    206      1.1  scottr # SCSI Controllers and Devices
    207      1.1  scottr 
    208      1.1  scottr # SCSI controllers
    209      1.1  scottr # XXX - use only one of ncrscsi or sbc
    210      1.1  scottr #ncrscsi0 at obio?			# SCSI NCR 5380
    211      1.1  scottr sbc0	at obio? flags 0x1		# MI SCSI NCR 5380
    212      1.1  scottr #esp0	at obio?			# SCSI NCR 53C9x
    213      1.1  scottr #esp1	at obio?			# SCSI NCR 53C9x
    214      1.1  scottr 
    215      1.1  scottr # SCSI bus support
    216      1.1  scottr scsibus* at scsi?
    217      1.1  scottr 
    218      1.1  scottr # SCSI devices
    219      1.1  scottr sd*	at scsibus? target ? lun ?	# SCSI disk drives
    220      1.1  scottr #st*	at scsibus? target ? lun ?	# SCSI tape drives
    221      1.1  scottr #cd*	at scsibus? target ? lun ?	# SCSI CD-ROM drives
    222      1.1  scottr #ch*	at scsibus? target ? lun ?	# SCSI autochangers
    223      1.1  scottr #se*	at scsibus? target ? lun ?	# SCSI ethernet
    224      1.1  scottr #ss*	at scsibus? target ? lun ?	# SCSI scanners
    225      1.1  scottr #uk*	at scsibus? target ? lun ?	# SCSI unknown
    226      1.1  scottr 
    227      1.1  scottr # IDE controller and devices
    228      1.1  scottr #wdc*	at obio? flags 0x1000
    229      1.1  scottr #wd*	at wdc? channel ? drive ?
    230      1.1  scottr 
    231      1.1  scottr 
    232      1.1  scottr # Miscellaneous mass storage devices
    233      1.1  scottr 
    234      1.1  scottr # IWM floppy disk controller
    235      1.1  scottr #iwm0	at obio?			# Sony driver (800K GCR)
    236      1.1  scottr #fd*	at iwm? drive ?
    237      1.1  scottr 
    238      1.1  scottr 
    239      1.1  scottr # Network Interfaces
    240      1.1  scottr 
    241      1.1  scottr # On-board Ethernet controllers
    242      1.1  scottr #sn*	at obio?			# SONIC-based (DP83932, DP83916)
    243      1.1  scottr #mc*	at obio?			# MACE-based
    244      1.1  scottr 
    245      1.1  scottr # NuBus Ethernet controllers
    246      1.1  scottr ae*	at nubus?			# DP8390-based
    247      1.1  scottr #sn*	at nubus?			# SONIC-based (DP83932, DP83916)
    248      1.1  scottr #sm*	at nubus?			# SMC 91cxx-based
    249      1.1  scottr 
    250      1.1  scottr nsphy*	at mii? phy ?
    251      1.1  scottr ukphy*	at mii? phy ?
    252      1.1  scottr 
    253      1.1  scottr # Audio Devices
    254      1.1  scottr 
    255      1.1  scottr # On-board audio hardware
    256      1.1  scottr asc0	at obio?			# ASC/EASC audio
    257      1.1  scottr 
    258      1.1  scottr # Pseudo-Devices
    259      1.1  scottr 
    260      1.1  scottr # disk/mass storage pseudo-devices
    261      1.1  scottr pseudo-device	ccd		4	# concatenated/striped disk devices
    262      1.1  scottr #pseudo-device	raid		8	# RAIDframe disk driver
    263      1.1  scottr #options 	RAID_AUTOCONFIG		# auto-configuration of RAID components
    264      1.1  scottr # Options to enable various other RAIDframe RAID types.
    265      1.1  scottr # options	RF_INCLUDE_EVENODD=1
    266      1.1  scottr # options	RF_INCLUDE_RAID5_RS=1
    267      1.1  scottr # options	RF_INCLUDE_PARITYLOGGING=1
    268      1.1  scottr # options	RF_INCLUDE_CHAINDECLUSTER=1
    269      1.1  scottr # options	RF_INCLUDE_INTERDECLUSTER=1
    270      1.1  scottr # options 	RF_INCLUDE_PARITY_DECLUSTERING=1
    271      1.1  scottr # options	RF_INCLUDE_PARITY_DECLUSTERING_DS=1
    272      1.1  scottr #pseudo-device	md		1	# memory disk device (ramdisk)
    273      1.1  scottr #pseudo-device	vcoda		1	# Venus/Coda distributed file system
    274      1.1  scottr pseudo-device	vnd		4	# disk-like interface to files
    275      1.1  scottr 
    276      1.1  scottr # network pseudo-devices
    277      1.1  scottr pseudo-device	bpfilter	12	# Berkeley packet filter
    278      1.1  scottr pseudo-device	ipfilter		# IP filter (firewall) and NAT
    279      1.1  scottr pseudo-device	loop			# network loopback
    280      1.1  scottr pseudo-device	ppp		2	# Point-to-Point Protocol
    281      1.1  scottr #pseudo-device	pppoe			# PPP over Ethernet (RFC 2516)
    282      1.1  scottr #pseudo-device	sl		2	# Serial Line IP
    283      1.1  scottr #pseudo-device	strip		2	# Starmode Radio IP (Metricom)
    284      1.1  scottr pseudo-device	tun		2	# network tunneling over tty
    285      1.1  scottr #pseudo-device	gre		2	# generic L3 over IP tunnel
    286      1.1  scottr #pseudo-device	gif		4	# IPv[46] over IPv[46] tunnel (RFC1933)
    287      1.1  scottr #pseudo-device	faith		1	# IPv[46] tcp relay translation i/f
    288      1.1  scottr #pseudo-device	stf		1	# 6to4 IPv6 over IPv4 encapsulation
    289      1.1  scottr #pseudo-device	vlan			# IEEE 802.1q encapsulation
    290      1.1  scottr #pseudo-device	bridge			# simple inter-network bridging
    291      1.1  scottr 
    292      1.1  scottr # miscellaneous pseudo-devices
    293      1.1  scottr pseudo-device	grf		2	# grf emulation for wscons
    294      1.1  scottr pseudo-device	ite		1	# ite emulation for wscons
    295      1.1  scottr pseudo-device	pty			# pseudo-terminals
    296      1.1  scottr #pseudo-device	tb		1	# tablet line discipline
    297  1.1.2.1   lukem pseudo-device	clockctl		# user control of clock subsystem
    298      1.1  scottr 
    299      1.1  scottr # rnd is EXPERIMENTAL at this point.
    300      1.1  scottr #pseudo-device	rnd			# /dev/random and in-kernel generator
    301      1.1  scottr #options 	RND_COM			# use "com" randomness as well (BROKEN)
    302