\"      $NetBSD: mdsetimage.8,v 1.12 2016/09/21 16:25:41 christos Exp $
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\" <<Id: LICENSE_GC,v 1.1 2001/10/01 23:24:05 cgd Exp>>
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Dd September 21, 2016
Dt MDSETIMAGE 8
Os
Sh NAME
Nm mdsetimage
Nd set kernel RAM disk image
Sh SYNOPSIS
Nm
Op Fl svx
Op Fl b Ar bfdname
Op Fl I Ar image_symbol
Op Fl S Ar size_symbol
Op Fl T Ar address
Ar kernel
Ar image
Sh DESCRIPTION
The
Nm
command copies the disk image specified by
Ar image
into the memory disk storage area in
Ar kernel .
The file system present in
Ar image
will typically be used by the kernel
as the root file system.
Pp
To recognize kernel executable format, the
Fl b
flag specifies BFD name of kernel.
Pp
The
Fl I
and
Fl S
flags specify the symbol names of image and size of memory disk
drivers respectively.
Pp
For a.out kernels only, the
Fl T
flag specifies the starting address of kernel text.
This flag is ignored for other kernel executable formats.
Pp
If the
Fl s
flags is given,
Nm
will write back the actual disk image size back into
Ar kernel .
Pp
If the
Fl v
flag is given,
Nm
will print out status information as
it is copying the image.
Pp
If the
Fl x
flag is given,
Nm
will extract the disk image from
Ar kernel
into the file
Ar image .
This is the opposite of the default behavior.
Sh SEE ALSO
Xr md 4 ,
Xr mdconfig 8

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