RAMDISK revision 1.54
1# $NetBSD: RAMDISK,v 1.54 2013/06/05 23:08:03 christos Exp $ 2 3# RAMDISK: Root/swap on ramdisk 4# This kernel is used to: 5# format the disk (not yet implemented) 6# partition the disk (disklabel) 7# install the miniroot in the swap partition 8 9# GENERIC Sun2 (2/120, 2/170, 2/50, ...) 10# Supports root on: ie0, sd*, ... 11 12include "arch/sun2/conf/std.sun2" 13 14#options INCLUDE_CONFIG_FILE # embed config file in kernel binary 15 16makeoptions COPTS="-Os" # optimize for size 17 18# Machines to be supported by this kernel 19#options FPU_EMULATE 20 21# Needs to be set per system. i.e change these as you see fit 22maxusers 2 23 24# Standard system options 25#options KTRACE # system call tracing 26#options SYSVMSG # System V message queues 27#options SYSVSEM # System V semaphores 28#options SYSVSHM # System V shared memory 29#options INSECURE # disable kernel security level 30options USERCONF # userconf(4) support 31options PIPE_SOCKETPAIR # smaller, but slower pipe(2) 32#options SYSCTL_INCLUDE_DESCR # Include sysctl descriptions in kernel 33 34# Which kernel debugger? Uncomment either this: 35#options DDB 36# ... or these for KGDB (gdb remote target) 37#makeoptions DEBUG="-g" # debugging symbols for gdb 38#options KGDB 39#options KGDB_DEV=0x0C00 # ttya=0C00 ttyb=0C01 40 41# Other debugging options 42#options DDB_HISTORY_SIZE=100 # enable history editing in DDB 43#options DEBUG # kernel debugging code 44#options DIAGNOSTIC # extra kernel sanity checking 45#options KMEMSTATS # kernel memory statistics (vmstat -m) 46#options PMAP_DEBUG 47#options SCSIDEBUG 48#options SCSIVERBOSE # Verbose SCSI errors 49 50# Compatibility options 51#options COMPAT_SUNOS # can run SunOS 4.1.1 executables 52#options COMPAT_43 # and 4.3BSD and ... 53#options COMPAT_AOUT_M68K # support for NetBSD a.out executables 54#options TCP_COMPAT_42 # 4.2BSD TCP/IP bug compat. Not recommended. 55#options EXEC_AOUT # support for a.out executables 56options COMPAT_BSDPTY # /dev/[pt]ty?? ptys. 57 58# Filesystem options 59file-system FFS # Berkeley Fast Filesystem 60file-system NFS # Sun NFS client support 61file-system CD9660 # ISO 9660 + Rock Ridge file system 62#file-system FDESC # /dev/fd/* 63#file-system KERNFS # /kern 64#file-system NULLFS # loopback file system 65#file-system OVERLAY # overlay file system 66#file-system PROCFS # /proc 67#file-system UNION # union file system 68#file-system MFS # memory-based filesystem 69#file-system PTYFS # /dev/pts/N support 70 71#options NFSSERVER # nfs server support 72#options QUOTA # legacy UFS quotas 73#options QUOTA2 # new, in-filesystem UFS quotas 74#options FFS_EI # FFS Endian Independent support 75options NFS_V2_ONLY # Exclude NFS3 code to save space 76options FFS_NO_SNAPSHOT # No FFS snapshot support 77 78# Networking options 79options INET # IP protocol stack support 80#options INET6 # IPV6 81#options IPSEC # IP security 82#options IPSEC_DEBUG # debug for IP security 83#options GATEWAY # IP packet forwarding 84#options PFIL_HOOKS # pfil(9) packet filter hooks. 85#options TCP_DEBUG # Record last TCP_NDEBUG packets with SO_DEBUG 86 87# Work-around for root on slow servers (insurance...) 88#options NFS_BOOT_RWSIZE=1024 89#options NFS_BOOT_BOOTPARAM 90 91# Enable the hooks used for initializing the root memory-disk. 92options MEMORY_DISK_HOOKS 93options MEMORY_DISK_IS_ROOT # force root on memory disk 94options MEMORY_DISK_SERVER=0 # no userspace memory disk support 95options MEMORY_DISK_ROOT_SIZE=1200 # size of memory disk, in blocks 96options MEMORY_DISK_RBFLAGS=RB_SINGLE # boot in single-user mode 97 98config netbsd root on ? type ffs 99 100#### Main bus. 101mainbus0 at root 102 103#### Bus types. 104 105obio0 at mainbus? # all Sun-2 106obmem0 at mainbus? # all Sun-2 107mbmem0 at mainbus? # 2/120, 2/170 108mbio0 at mainbus? # 2/120, 2/170 109sun68kvme0 at mainbus? # 2/50, 2/130, 2/160 110vme0 at sun68kvme0 # mi VME attachment 111 112#### Standard system devices. 113 114## The AM9513 clock chip. 115clock0 at obio0 addr 0x002800 # 2/120, 2/170 116clock0 at obio0 addr 0x7f2800 # 2/50, 2/130, 2/160 117 118## The MM58167 time-of-day chip. 119tod0 at obio0 addr 0x003800 # 2/120, 2/170 120tod0 at vme0 addr 0x200800 # 2/50, 2/130, 2/160 121 122#### Serial port configuration. 123 124## Zilog 8530 serial chips. Each has two channels. 125## zs0 is ttya and ttyb. zs1 is the keyboard and mouse. 126## zs0 is REQUIRED to use KGDB. 127zs0 at obio0 addr 0x002000 # 2/120, 2/170 128zs0 at obio0 addr 0x7f2000 # 2/50 129zs1 at obmem0 addr 0x780000 # 2/120, 2/170 130zs1 at obio0 addr 0x7f1800 # 2/50 131#zs2 at mbmem0 addr 0x080800 # 2/120, 2/170 (first sc SCSI) 132#zs3 at mbmem0 addr 0x081000 # 2/120, 2/170 (first sc SCSI) 133#zs4 at mbmem0 addr 0x084800 # 2/120, 2/170 (second sc SCSI) 134#zs5 at mbmem0 addr 0x085000 # 2/120, 2/170 (second sc SCSI) 135zstty* at zs? channel ? # ttya 136kbd0 at zstty? # keyboard 137#ms0 at zstty? # mouse 138 139#### Disk controllers and disks. 140 141## PAL+logic-based "Sun SCSI 2" Multibus/VME SCSI controller. 142## This driver has several flags which may be enabled using 143## the "flags" directive. Valid flags are: 144## 145## 0x0ff Set (1<<target) to disable parity checking 146## 0x100 Set this bit to disable DMA interrupts (poll) 147## 0x200 Set this bit to disable DMA entirely (use PIO) 148## 149## For example: "flags 0x10f" would disable DMA interrupts, 150## and disable parity for targets 0-3 151 152sc0 at mbmem0 addr 0x80000 ipl 2 flags 0xff 153sc0 at vme0 addr 0x200000 irq 2 vect 0x40 flags 0xff 154sc1 at mbmem0 addr 0x84000 ipl 2 flags 0xff 155 156## NCR5380-based "Sun SCSI 3" VME SCSI controller. 157## This driver has several flags which may be enabled by OR'ing 158## the values and using the "flags" directive. 159## Valid flags are: 160## 161## 0x01 Use DMA (may be polled) 162## 0x02 Use DMA completion interrupts 163## 0x04 Allow disconnect/reselect 164## 165## E.g. the following would enable DMA, interrupts, and reselect: 166## si0 at vme0 addr 0x200000 ipl 3 vect 0x40 flags 0x07 167## 168## By default, DMA is enabled in the driver. 169 170si0 at vme0 addr 0x200000 irq 2 vect 0x40 171 172## These entries find devices on all SCSI busses and assign 173## unit numbers dynamically. 174scsibus* at sc? 175scsibus* at si? 176sd* at scsibus? target ? lun ? # SCSI disks 177st* at scsibus? target ? lun ? # SCSI tapes 178cd* at scsibus? target ? lun ? # SCSI CD-ROMs 179#ch* at scsibus? target ? lun ? # SCSI changer devices 180#ss* at scsibus? target ? lun ? # SCSI scanners 181#ses* at scsibus? target ? lun ? # SCSI SES/SAF-TE 182#uk* at scsibus? target ? lun ? # unknown SCSI 183 184# support old SCSI devices that don't understand the INQUIRY command 185options SCSI_OLD_NOINQUIRY 186 187## Xylogics 450 or 451 Multibus/VME SMD disk controllers and disks. 188#xyc0 at mbio0 addr 0xee40 ipl 2 189xyc0 at vme0 addr 0xee40 irq 2 vect 0x48 190#xyc1 at mbio0 addr 0xee48 ipl 2 191xyc1 at vme0 addr 0xee48 irq 2 vect 0x49 192xy* at xyc? drive ? 193 194## Memory-disk device. 195pseudo-device md 196 197#### Network interfaces. 198 199## Intel Ethernet (onboard, or Multibus/VME) 200ie0 at obio0 addr 0x7f0800 ipl 3 # 2/50 201ie0 at mbmem0 addr 0x88000 ipl 3 202ie1 at mbmem0 addr 0x8c000 ipl 3 203## VME: the first [addr,len] pair specifies the device registers; 204## the second pair specifies the on-board memory buffer 205ie1 at vme0 addr 0xe88000,0xe00000 len -1,0x40000 irq 3 vect 0x75 206 207## 3Com Ethernet (Multibus only) 208ec0 at mbmem0 addr 0xe0000 ipl 3 209ec1 at mbmem0 addr 0xe2000 ipl 3 210# limit NFS R/W size for poor ec(4) interfaces 211options NFS_RSIZE=1024,NFS_WSIZE=1024 212 213## Frame buffers. 214 215## Sun "bwtwo" black and white framebuffer. 216#bwtwo0 at obmem0 addr 0x700000 # 2/120, 2/170 217#bwtwo0 at obio0 addr 0x0 # 2/50 218 219## PROM console driver -- if all else fails 220pcons0 at mainbus0 # PROM console 221 222#### Miscellaneous. 223pseudo-device loop # network loopback 224#pseudo-device bpfilter # packet filter 225pseudo-device sl # CSLIP 226#pseudo-device ppp # PPP 227#pseudo-device tun # network tunneling over tty 228#pseudo-device gre # generic L3 over IP tunnel 229#pseudo-device ipfilter # ip filter 230#pseudo-device gif # IPv[46] over IPv[46] tunnel (RFC1933) 231#pseudo-device faith # IPv[46] tcp relay translation i/f 232#pseudo-device stf # 6to4 IPv6 over IPv4 encapsulation 233 234pseudo-device pty # pseudo-terminals 235#pseudo-device vnd # paging to files 236#pseudo-device ccd # concatenated disks 237#pseudo-device raid # RAIDframe disk driver 238#options RAID_AUTOCONFIG # auto-configuration of RAID components 239#pseudo-device fss # file system snapshot device 240