1.\" $NetBSD: elftosb.8,v 1.4 2018/09/14 07:07:41 skrll Exp $ 2.\" 3.\" Copyright (c) 2012 The NetBSD Foundation, Inc. 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.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 16.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 17.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 19.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25.\" POSSIBILITY OF SUCH DAMAGE. 26.\" 27.Dd November 3, 2012 28.Dt ELFTOSB 8 29.Os 30.Sh NAME 31.Nm elftosb 32.Nd generate secure boot images for Freescale processors 33.Sh SYNOPSIS 34.Nm 35.Oo Fl ?, Fl Fl help Oc 36.Oo Fl C, Fl Fl component Ar version Oc 37.Oo Fl c, Fl Fl command Ar file Oc 38.Oo Fl D, Fl Fl define Ar const Oc 39.Oo Fl d, Fl Fl debug Oc 40.Oo Fl f, Fl Fl chip-family Ar family Oc 41.Oo Fl k, Fl Fl key Ar file Oc 42.Oo Fl O, Fl Fl option Ar option Oc 43.Oo Fl o, Fl Fl output Ar file Oc 44.Oo Fl P, Fl Fl product Ar version Oc 45.Oo Fl p, Fl Fl search-path Ar path Oc 46.Oo Fl q, Fl Fl quiet Oc 47.Oo Fl V, Fl Fl verbose Oc 48.Oo Fl v, Fl Fl version Oc 49.Oo Fl z, Fl Fl zero-key Oc 50.Ar files... 51.Sh DESCRIPTION 52The 53.Nm 54program is used to create a digitaly signed secure boot (sb) file. 55This sb file can be booted by the first stage boot loader found in 56Freescale i.MX23 and i.MX28 application processors. 57One or several ELF files and optionally a key are taken as input and 58processed under the control of a command file to generate the sb file. 59.Sh SEE ALSO 60.Xr sbkeygen 8 , 61.Xr sbtool 8 62.br 63Freescale Application Note AN4555 64.Sh COPYRIGHT 65Copyright (c) 2004-2010 Freescale Semiconductor, Inc. 66.Sh BUGS 67The 68.Nm 69program and its command file syntax are poorly documented. 70