136 lines
2.3 KiB
Groff
136 lines
2.3 KiB
Groff
.\" $NetBSD: loadbsd.8,v 1.4 2001/12/26 02:18:29 wiz Exp $
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.Dd August 13, 1998
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.Dt LOADBSD 8 x68k
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.Os
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.Sh NAME
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.Nm loadbsd
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.Nd load and boot NetBSD/x68k kernel from Human68k
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.Sh SYNOPSIS
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.Nm loadbsd.x
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.Op Fl hvV
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.Op Fl abDs
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.Op Fl r Ar root_device
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.Ar kernel_file
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.Sh DESCRIPTION
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.Nm
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is a program runs on Human68k.
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It loads and executes the specified
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.Nx Ns Tn /x68k
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kernel.
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.Pp
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The options (for
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.Nm
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itself) are as follows:
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.Bl -tag -width flag
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.It Fl h
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Show help and exit.
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.It Fl v
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Enable verbose mode.
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.It Fl V
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Print version of
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.Nm
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and exit.
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.El
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.Pp
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The options for
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.Nx
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kernel are as follows:
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.Bl -tag -width flag
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.It Fl a
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Auto (multi-user) boot.
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This disables
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.Fl s
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flag.
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.It Fl b
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Ask boot device during boot.
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Pass
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.Dv RB_ASKNAME
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boot flag to the kernel.
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.It Fl d
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Use compiled-in rootdev.
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Pass
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.Dv RB_DFLTROOT
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boot flag to the kernel.
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.It Fl D
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Enter kernel debugger.
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Pass
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.Dv RB_KDB
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boot flag to the kernel.
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.It Fl r Ar root_device
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Specify boot device, which shall be mounted as root device.
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The default device is
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.Sq Li sd@0,0:a .
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Note that the boot device name is
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.Em not
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the same as that of
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.Nx .
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See
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.Sx BOOT DEVICE NAMES
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below.
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.It Fl s
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Single user boot.
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Pass
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.Dv RB_SINGLE
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boot flag to the kernel.
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This disables
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.Fl a
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flag.
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This flag is set by default.
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.El
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.Pp
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Although listed separately, the options may be in any order.
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.Sh BOOT DEVICE NAMES
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The format of boot device names is:
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.Pp
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.Dl "[/interface/]dev@unit[,lun][:partition]"
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.Pp
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.Bl -tag -width Fl
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.It interface
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SCSI interface type.
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One of:
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.Sq Li spc@0 ,
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.Sq Li spc@1 ,
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.Sq Li mha@0 .
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If the dev is a SCSI device, and interface is omitted,
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the current boot interface is used.
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.It dev
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Device type.
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One of:
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.Sq Li fd
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(floppy disk drive),
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.Sq Li sd
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(SCSI disk),
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.Sq Li cd
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(SCSI CD-ROM),
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.Sq Li md
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(Memory disk).
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.It unit
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Device unit #.
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You must specify the target SCSI ID if dev is a SCSI device.
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.It lun
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SCSI LUN #.
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0 is assumed if omitted.
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.It partition
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Partition letter of device.
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Partition
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.Sq Li a
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is used if omitted.
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.El
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.Sh FILES
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.Bl -tag -width /usr/mdec/loadbsd.xxxx -compact
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.It Pa /usr/mdec/loadbsd.x
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You will find this program here.
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.El
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.Sh SEE ALSO
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.Xr reboot 2 ,
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.Xr boot 8
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.Sh HISTORY
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The
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.Nm
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utility first appeared in
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.Nx 1.4 .
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.Sh BUGS
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.Nm
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reads the entire kernel image at once,
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and requires enough free area on the main memory.
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