1.\" $NetBSD: flashctl.8,v 1.2 2011/02/27 23:28:12 wiz Exp $ 2.\" 3.\" Copyright (c) 2011 Department of Software Engineering, 4.\" University of Szeged, Hungary 5.\" Copyright (c) 2011 Adam Hoka <ahoka@NetBSD.org> 6.\" All rights reserved. 7.\" 8.\" This code is derived from software contributed to The NetBSD Foundation 9.\" by the Department of Software Engineering, University of Szeged, Hungary 10.\" 11.\" Redistribution and use in source and binary forms, with or without 12.\" modification, are permitted provided that the following conditions 13.\" are met: 14.\" 1. Redistributions of source code must retain the above copyright 15.\" notice, this list of conditions and the following disclaimer. 16.\" 2. Redistributions in binary form must reproduce the above copyright 17.\" notice, this list of conditions and the following disclaimer in the 18.\" documentation and/or other materials provided with the distribution. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 25.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 26.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 27.\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 28.\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.Dd February 27, 2011 33.Dt FLASHCTL 8 34.Os 35.Sh NAME 36.Nm flashctl 37.Nd a program to manipulate flash devices 38.Sh SYNOPSIS 39.Nm 40.Ar device 41.Ar command 42.Oo 43.Ar arg Oo ... 44.Oc 45.Oc 46.Sh DESCRIPTION 47.Nm 48could be used to invoke low level operations specific to flash devices. 49It is used by specifying a device to manipulate, 50the command to perform, and any arguments the command may require. 51.Sh DEVICE COMMANDS 52The following commands may be used on flash devices: 53.Bl -tag -width erase_offset_size 54.It Cm badblocks 55List the bad blocks on the device. 56.It Cm erase Ar offset Ar size 57Erase 58.Ar size 59amount of flash memory from 60.Ar offset . 61Size could be 62.Ar all , 63which means the rest of the flash after 64.Ar offset 65will be erased. 66.It Cm identify 67Identify the specified device, displaying the device's vendor, product 68strings, and the device's capabilities. 69.It Cm markbad Ar offset 70Mark the block given by its 71.Ar offset 72as bad. 73.El 74.Sh SEE ALSO 75.Xr flash 4 76.Sh HISTORY 77The 78.Nm 79command first appeared in 80.Nx 6.0 . 81.Sh AUTHORS 82The 83.Nm 84command was written by 85.An Adam Hoka . 86