1.\" $NetBSD: mdsetimage.8,v 1.3 2010/11/07 11:50:23 wiz Exp $ 2.\" 3.\" Copyright (c) 1996 Christopher G. Demetriou 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. The name of the author may not be used to endorse or promote products 15.\" derived from this software without specific prior written permission. 16.\" 17.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27.\" 28.\" <<Id: LICENSE_GC,v 1.1 2001/10/01 23:24:05 cgd Exp>> 29.\" 30.Dd November 4, 2010 31.Dt MDSETIMAGE 8 32.Os 33.Sh NAME 34.Nm mdsetimage 35.Nd set kernel RAM disk image 36.Sh SYNOPSIS 37.Nm 38.Op Fl svx 39.Op Fl b Ar bfdname 40.Op Fl I Ar image_symbol 41.Op Fl S Ar size_symbol 42.Ar kernel 43.Ar image 44.Sh DESCRIPTION 45The 46.Nm 47command copies the disk image specified by 48.Ar image 49into the memory disk storage area in 50.Ar kernel . 51The file system present in 52.Ar image 53will typically be used by the kernel 54as the root file system. 55.Pp 56To recognize kernel executable format, the 57.Fl b 58flag specifies BFD name of kernel. 59.Pp 60The 61.Fl I 62and 63.Fl S 64flags specify the symbol names of image and size of memory disk 65drivers respectively. 66.Pp 67If the 68.Fl s 69flags is given, 70.Nm 71will write back the actual disk image size back into 72.Ar kernel . 73.Pp 74If the 75.Fl v 76flag is given, 77.Nm 78will print out status information as 79it is copying the image. 80.Pp 81If the 82.Fl x 83flag is given, 84.Nm 85will extract the disk image from 86.Ar kernel 87into the file 88.Ar image . 89This is the opposite of the default behavior. 90.Sh SEE ALSO 91.Xr md 4 , 92.Xr mdconfig 8 93