[flashrom] [PATCH] flashrom.8: explain read accesses as part of the write operation

Stefan Tauner stefan.tauner at student.tuwien.ac.at
Thu Jul 21 13:06:29 CEST 2011


Signed-off-by: Stefan Tauner <stefan.tauner at student.tuwien.ac.at>
---
 flashrom.8 |   13 +++++++++----
 1 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/flashrom.8 b/flashrom.8
index 5b11f6e..3b7ad40 100644
--- a/flashrom.8
+++ b/flashrom.8
@@ -44,7 +44,12 @@ Write
 .B <file>
 into flash ROM. This will first automatically
 .B erase
-the chip, then write to it.
+the chip, then write to it. 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 after each erase
+block (in case of errors it is even re-read completely). After writing has
+finished and if verification is enabled, the whole flash 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 +546,7 @@ unusable unless you can desolder the flash chip and have a full flash chip
 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 +628,6 @@ some others, please see the flashrom svn changelog for details.
 .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).
-- 
1.7.1





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