# $NetBSD: RAMDISK,v 1.55.4.1 2020/07/07 10:49:11 martin Exp $ # RAMDISK: Root/swap on ramdisk # This kernel is used to: # format the disk (not yet implemented) # partition the disk (disklabel) # install the miniroot in the swap partition include "arch/sun3/conf/std.sun3" #options INCLUDE_CONFIG_FILE # embed config file in kernel binary makeoptions COPTS="-Os -fno-unwind-tables" # bootloader has size limit (~2MB) # Machines to be supported by this kernel # options FPU_EMULATE # No FP code here! options HAVECACHE # Sun3/260 VAC # Needs to be set per system. i.e change these as you see fit maxusers 2 # Standard system options # ... debugging options #options DDB # Compatibility options (none) # Filesystem options # Need FFS for the ramdisk image. file-system FFS # Berkeley Fast Filesystem # May need these to get miniroot image. file-system NFS # Sun NFS client support file-system CD9660 # ISO 9660 + Rock Ridge file system options FFS_NO_SNAPSHOT # No FFS snapshot support #file-system PTYFS # /dev/pts/N support # Networking options options INET # IP protocol stack support #options TCP_DEBUG # Record last TCP_NDEBUG packets with SO_DEBUG # Enable the hooks used for initializing the root memory-disk. options MEMORY_DISK_HOOKS options MEMORY_DISK_IS_ROOT # force root on memory disk options MEMORY_DISK_SERVER=0 # no userspace memory disk support options MEMORY_DISK_ROOT_SIZE=1320 # size of memory disk, in blocks options MEMORY_DISK_RBFLAGS=RB_SINGLE # boot in single-user mode options USERCONF # userconf(4) support options PIPE_SOCKETPAIR # smaller, but slower pipe(2) #options SYSCTL_INCLUDE_DESCR # Include sysctl descriptions in kernel config netbsd root on ? type ffs # On-board I/O space (required) include "arch/sun3/conf/obio.sun3" # On-board memory (optional) # See frame-buffers # obmem0 at mainbus? # VME bus support (optional) # One unit for each address space vme0 at mainbus? # A16/D16 vme1 at mainbus? # A16/D32 vme2 at mainbus? # A24/D16 vme3 at mainbus? # A24/D32 vme4 at mainbus? # A32/D16 vme5 at mainbus? # A32/D32 # # Serial ports # zstty0 at zsc1 channel 0 # ttya zstty1 at zsc1 channel 1 # ttyb kbd0 at zsc0 channel 0 # keyboard #ms0 at zsc0 channel 1 # mouse # # Network devices # # Intel Ethernet (onboard, or VME) ie0 at obio0 addr 0x0C0000 ipl 3 ie1 at vme2 addr 0xe88000 ipl 3 vect 0x75 # Lance Ethernet (only onboard) le0 at obio0 addr 0x120000 ipl 3 # All Sun3 machines with an "le" (3/50, 3/60) should be # presumed to have the old, buggy LANCE chip. (Rev. C) options LANCE_REVC_BUG # # Disk and tape devices # # Sun3 "si" SCSI controller (NCR 5380) # See GENERIC for the flags description. si0 at obio0 addr 0x140000 ipl 2 si0 at vme2 addr 0x200000 ipl 2 vect 0x40 si1 at vme2 addr 0x204000 ipl 2 vect 0x41 # Xylogics 450/451 controllers (VME A16/D16) xyc0 at vme0 addr 0xee40 ipl 2 vect 0x48 xyc1 at vme0 addr 0xee48 ipl 2 vect 0x49 xy* at xyc? drive ? # Xylogics 7053 controllers (VME A16/D32) xdc0 at vme1 addr 0xee80 ipl 2 vect 0x44 xdc1 at vme1 addr 0xee90 ipl 2 vect 0x45 xd* at xdc? drive ? # Xylogics 472 tape controllers? # Sun3/E SCSI+Ethernet board (VME A24/D16) # Note: the board uses vect and vect+1 sebuf0 at vme2 addr 0x300000 ipl 2 vect 0x74 # and 0x75 sebuf1 at vme2 addr 0x340000 ipl 2 vect 0x76 # and 0x77 si* at sebuf? ie* at sebuf? # # Frame buffer devices # (Not needed for installation kernels.) # # SCSI infrastructure # scsibus* at scsi? sd* at scsibus? target ? lun ? # SCSI disks st* at scsibus? target ? lun ? # SCSI tapes cd* at scsibus? target ? lun ? # SCSI CD-ROMs #ch* at scsibus? target ? lun ? # SCSI changer devices #ss* at scsibus? target ? lun ? # SCSI scanners #uk* at scsibus? target ? lun ? # unknown SCSI devices # Memory-disk drivers (root for install tape) pseudo-device md # Misc. pseudo-device loop # network loopback pseudo-device sl # CSLIP #pseudo-device fss # file system snapshot device