SMALLRAM revision 1.3
1# $NetBSD: SMALLRAM,v 1.3 2002/09/18 02:44:02 lukem Exp $ 2# 3# This is an example of how to configure a small, efficient kernel for a 4# system with limited RAM. Even so it's capable of doing quite a bit. The 5# hypothetical system used for this example is a Macintosh IIx or 6# Macintosh IIcx with 8 MB of RAM and an 80 MB disk. One or more DP5380- 7# based NuBus Ethernet cards and one or more NuBus video cards are 8# configured, and basic PPP support is available. This configuration is 9# suitable for experimenting with NetBSD as a router with one or more 10# Ethernet cards, and up to two PPP connections (one on each serial port). 11 12include "arch/mac68k/conf/std.mac68k" 13 14#options INCLUDE_CONFIG_FILE # embed config file in kernel binary 15 16#ident "SMALLRAM-$Revision: 1.3 $" 17 18maxusers 8 19 20makeoptions COPTS="-O2 -m68030" # Optimize for the MC68030 21 22# CPU support. At least one is REQUIRED. 23#options M68040 24options M68030 25#options M68020 # Note: must have 68851 PMMU 26 27# CPU-related options. 28#options FPSP 29#options FPU_EMULATE 30 31# Standard system options 32 33#options UCONSOLE # users can use TIOCCONS (for xconsole) 34#options INSECURE # disable kernel security levels 35 36options RTC_OFFSET=0 # hardware clock is this many mins. west of GMT 37#options NTP # NTP phase/frequency locked loop 38 39options KTRACE # system call tracing via ktrace(1) 40 41options SYSVMSG # System V-like message queues 42options SYSVSEM # System V-like semaphores 43#options SEMMNI=10 # number of semaphore identifiers 44#options SEMMNS=60 # number of semaphores in system 45#options SEMUME=10 # max number of undo entries per process 46#options SEMMNU=30 # number of undo structures in system 47options SYSVSHM # System V-like memory sharing 48#options SHMMAXPGS=1024 # 1024 pages is the default 49 50#options LKM # loadable kernel modules 51 52options USERCONF # userconf(4) support 53#options PIPE_SOCKETPAIR # smaller, but slower pipe(2) 54 55# Diagnostic/debugging support options 56options DIAGNOSTIC # cheap kernel consistency checks 57#options DEBUG # expensive debugging checks/support 58#options KMEMSTATS # kernel memory statistics (vmstat -m) 59options DDB # in-kernel debugger 60#options DDB_HISTORY_SIZE=100 # enable history editing in DDB 61#options KGDB # remote debugger 62#options KGDB_DEV=0xc01 # kgdb device number (dev_t) 63#options KGDB_DEVRATE=38400 # baud rate 64#makeoptions DEBUG="-g" # compile full symbol table 65 66# Compatibility options 67#options COMPAT_NOMID # NetBSD 0.8, 68#options COMPAT_09 # NetBSD 0.9, 69#options COMPAT_10 # NetBSD 1.0, 70#options COMPAT_11 # NetBSD 1.1, 71options COMPAT_12 # NetBSD 1.2, 72options COMPAT_13 # NetBSD 1.3, 73options COMPAT_14 # NetBSD 1.4, 74options COMPAT_15 # NetBSD 1.5, 75#options COMPAT_43 # and 4.3BSD 76#options TCP_COMPAT_42 # 4.2BSD TCP/IP bug compat. Not recommended. 77 78# The following is needed to run pre-NetBSD 1.6 binaries under ELF. 79options COMPAT_AOUT_M68K # compatibility with NetBSD/m68k a.out 80options EXEC_AOUT # support for exec'ing a.out 81 82#options COMPAT_LINUX # compatibility with Linux/m68k binaries 83#options COMPAT_M68K4K # compatibility with NetBSD/m68k4k binaries 84#options COMPAT_SUNOS # compatibility with SunOS 4.x binaries 85#options COMPAT_SVR4 # compatibility with SVR4 binaries 86 87# File systems 88file-system FFS # UFS 89#file-system EXT2FS # second extended file system (linux) 90#file-system LFS # log-structured file system 91file-system MFS # memory file system 92file-system NFS # Network File System client 93#file-system CD9660 # ISO 9660 + Rock Ridge file system 94#file-system MSDOSFS # MS-DOS file system 95#file-system FDESC # /dev/fd 96#file-system KERNFS # /kern 97#file-system NULLFS # loopback file system 98#file-system OVERLAY # overlay file system 99#file-system PORTAL # portal filesystem (still experimental) 100#file-system PROCFS # /proc 101#file-system UMAPFS # NULLFS + uid and gid remapping 102#file-system UNION # union file system 103#file-system CODA # Venus/Coda distributed file system 104 105# File system options 106options QUOTA # UFS quotas 107#options FFS_EI # FFS Endian Independant support 108#options SOFTDEP # FFS soft updates support. 109#options NFSSERVER # Network File System server 110#options EXT2FS_SYSTEM_FLAGS # makes ext2fs file flags (append and 111 # immutable) behave as system flags. 112 113# Networking options 114options GATEWAY # packet forwarding 115options INET # IP + ICMP + TCP + UDP 116#options INET6 # IPV6 117#options IPSEC # IP security 118#options IPSEC_ESP # IP security (encryption part; define w/IPSEC) 119#options IPSEC_DEBUG # debug for IP security 120options MROUTING # IP multicast routing 121#options NS # XNS 122#options NSIP # XNS tunneling over IP 123#options ISO,TPIP # OSI 124#options EON # OSI tunneling over IP 125#options CCITT,LLC,HDLC # X.25 126#options NETATALK # AppleTalk networking protocols 127options PPP_BSDCOMP # BSD-Compress compression support for PPP 128#options PPP_DEFLATE # Deflate compression support for PPP 129options PPP_FILTER # Active filter support for PPP (requires bpf) 130options PFIL_HOOKS # pfil(9) packet filter hooks 131#options IPFILTER_LOG # ipmon(8) log support 132#options TCP_DEBUG # Record last TCP_NDEBUG packets with SO_DEBUG 133 134# These options enable verbose messages for several subsystems. 135# Warning, these may compile large string tables into the kernel! 136#options SCSIVERBOSE # human readable SCSI error messages 137 138# wscons options 139#options WSEMUL_SUN # sun terminal emulation 140options WSEMUL_VT100 # VT100 / VT220 emulation 141options WSDISPLAY_COMPAT_ITEFONT # use ite font (6x10) 142 143# rcons options; note that 1-bit and 8-bit displays are supported by default. 144#options RCONS_2BPP # Support for 2-bit display 145#options RCONS_4BPP # Support for 4-bit display 146#options RCONS_16BPP # Support for 16-bit display 147 148# Mac-specific options 149#options ALTXBUTTONS # Map Opt-{1,2,3} to mouse buttons 150#options DISABLE_EXT_CACHE # Don't use IIci external cache 151options GRF_COMPAT # Include grf compatibility code 152#options MRG_ADB # Use ROM-based ADB driver 153#options ZS_CONSOLE_ABORT 154 155 156# Kernel root file system and dump configuration. 157config netbsd root on ? type ? 158 159# 160# Device configuration 161# 162 163mainbus0 at root 164 165fpu0 at mainbus? # Floating-Point Coprocessor support 166 167 168# Basic Bus Support 169 170# On-board I/O bus support 171obio0 at mainbus? 172 173# NuBus support 174nubus0 at mainbus? 175 176 177# Console Devices 178 179# Apple Desktop Bus interface 180adb0 at obio? 181aed* at adb? # ADB event device 182akbd* at adb? # ADB keyboard 183ams* at adb? # ADB mouse 184 185# Basic frame buffer support 186#intvid0 at obio? # Internal video hardware 187macvid* at nubus? # NuBus video card 188 189# Device-independent frame buffer interface 190#macfb* at intvid? 191macfb* at macvid? 192 193# Workstation Console devices 194wsdisplay0 at macfb? console ? 195wskbd0 at akbd? console ? 196wsmouse0 at ams? 197 198 199# Serial Devices 200 201# On-board serial interface 202zsc0 at obio? 203zstty* at zsc? channel ? 204 205 206# SCSI Controllers and Devices 207 208# SCSI controllers 209# XXX - use only one of ncrscsi or sbc 210#ncrscsi0 at obio? # SCSI NCR 5380 211sbc0 at obio? flags 0x1 # MI SCSI NCR 5380 212#esp0 at obio? # SCSI NCR 53C9x 213#esp1 at obio? # SCSI NCR 53C9x 214 215# SCSI bus support 216scsibus* at scsi? 217 218# SCSI devices 219sd* at scsibus? target ? lun ? # SCSI disk drives 220#st* at scsibus? target ? lun ? # SCSI tape drives 221#cd* at scsibus? target ? lun ? # SCSI CD-ROM drives 222#ch* at scsibus? target ? lun ? # SCSI autochangers 223#se* at scsibus? target ? lun ? # SCSI ethernet 224#ss* at scsibus? target ? lun ? # SCSI scanners 225#uk* at scsibus? target ? lun ? # SCSI unknown 226 227# IDE controller and devices 228#wdc* at obio? flags 0x1000 229#wd* at wdc? channel ? drive ? 230 231 232# Miscellaneous mass storage devices 233 234# IWM floppy disk controller 235#iwm0 at obio? # Sony driver (800K GCR) 236#fd* at iwm? drive ? 237 238 239# Network Interfaces 240 241# On-board Ethernet controllers 242#sn* at obio? # SONIC-based (DP83932, DP83916) 243#mc* at obio? # MACE-based 244 245# NuBus Ethernet controllers 246ae* at nubus? # DP8390-based 247#sn* at nubus? # SONIC-based (DP83932, DP83916) 248#sm* at nubus? # SMC 91cxx-based 249 250nsphy* at mii? phy ? 251ukphy* at mii? phy ? 252 253# Audio Devices 254 255# On-board audio hardware 256asc0 at obio? # ASC/EASC audio 257 258# Pseudo-Devices 259 260# disk/mass storage pseudo-devices 261pseudo-device ccd 4 # concatenated/striped disk devices 262#pseudo-device raid 8 # RAIDframe disk driver 263#options RAID_AUTOCONFIG # auto-configuration of RAID components 264# Options to enable various other RAIDframe RAID types. 265# options RF_INCLUDE_EVENODD=1 266# options RF_INCLUDE_RAID5_RS=1 267# options RF_INCLUDE_PARITYLOGGING=1 268# options RF_INCLUDE_CHAINDECLUSTER=1 269# options RF_INCLUDE_INTERDECLUSTER=1 270# options RF_INCLUDE_PARITY_DECLUSTERING=1 271# options RF_INCLUDE_PARITY_DECLUSTERING_DS=1 272#pseudo-device md 1 # memory disk device (ramdisk) 273#pseudo-device vcoda 1 # Venus/Coda distributed file system 274pseudo-device vnd 4 # disk-like interface to files 275 276# network pseudo-devices 277pseudo-device bpfilter 12 # Berkeley packet filter 278pseudo-device ipfilter # IP filter (firewall) and NAT 279pseudo-device loop # network loopback 280pseudo-device ppp 2 # Point-to-Point Protocol 281#pseudo-device pppoe # PPP over Ethernet (RFC 2516) 282#pseudo-device sl 2 # Serial Line IP 283#pseudo-device strip 2 # Starmode Radio IP (Metricom) 284pseudo-device tun 2 # network tunneling over tty 285#pseudo-device gre 2 # generic L3 over IP tunnel 286#pseudo-device gif 4 # IPv[46] over IPv[46] tunnel (RFC1933) 287#pseudo-device faith 1 # IPv[46] tcp relay translation i/f 288#pseudo-device stf 1 # 6to4 IPv6 over IPv4 encapsulation 289#pseudo-device vlan # IEEE 802.1q encapsulation 290#pseudo-device bridge # simple inter-network bridging 291 292# miscellaneous pseudo-devices 293pseudo-device grf 2 # grf emulation for wscons 294pseudo-device ite 1 # ite emulation for wscons 295pseudo-device pty # pseudo-terminals 296#pseudo-device tb 1 # tablet line discipline 297pseudo-device clockctl # user control of clock subsystem 298 299# rnd is EXPERIMENTAL at this point. 300#pseudo-device rnd # /dev/random and in-kernel generator 301#options RND_COM # use "com" randomness as well (BROKEN) 302