[flashrom] [commit] r1378 - trunk
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svn at flashrom.org
Thu Jul 21 21:52:00 CEST 2011
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 at student.tuwien.ac.at>
Acked-by: Paul Menzel <paulepanter at users.sourceforge.net>
Acked-by: Uwe Hermann <uwe at 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 at flashrom.org>.
.PP
-This manual page was written by Uwe Hermann <uwe at hermann-uwe.de>
-and Carl-Daniel Hailfinger.
+This manual page was written by Uwe Hermann <uwe at hermann-uwe.de>,
+Carl-Daniel Hailfinger and others.
It is licensed under the terms of the GNU GPL (version 2 or later).
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