Author: stefanct Date: Thu Jul 21 21:52:00 2011 New Revision: 1378 URL: http://flashrom.org/trac/flashrom/changeset/1378
Log: flashrom.8: explain read accesses as part of the write operation
Signed-off-by: Stefan Tauner stefan.tauner@student.tuwien.ac.at Acked-by: Paul Menzel paulepanter@users.sourceforge.net Acked-by: Uwe Hermann uwe@hermann-uwe.de
Modified: trunk/flashrom.8
Modified: trunk/flashrom.8 ============================================================================== --- trunk/flashrom.8 Thu Jul 21 11:18:18 2011 (r1377) +++ trunk/flashrom.8 Thu Jul 21 21:52:00 2011 (r1378) @@ -45,6 +45,13 @@ into flash ROM. This will first automatically .B erase the chip, then write to it. +.sp +In the process the chip is also read several times. First an in-memory backup +is made for disaster recovery and to be able to skip regions that are +already equal to the image file. This copy is updated along with the write +operation. In case of erase errors it is even re-read completely. After +writing has finished and if verification is enabled, the whole flash chip is +read out and compared with the input image. .TP .B "-n, --noverify" Skip the automatic verification of flash ROM contents after writing. Using this @@ -541,7 +548,7 @@ backup. This is caused by the embedded controller (EC) present in many laptops, which interacts badly with any flash attempts. This is a hardware limitation and flashrom will attempt to detect it and abort immediately for safety reasons. -.SH LICENCE +.SH LICENSE .B flashrom is covered by the GNU General Public License (GPL), version 2. Some files are additionally available under the GPL (version 2, or any later version). @@ -623,6 +630,6 @@ .br All authors can be reached via email at flashrom@flashrom.org. .PP -This manual page was written by Uwe Hermann uwe@hermann-uwe.de -and Carl-Daniel Hailfinger. +This manual page was written by Uwe Hermann uwe@hermann-uwe.de, +Carl-Daniel Hailfinger and others. It is licensed under the terms of the GNU GPL (version 2 or later).