[flashrom] [commit] r1550 - trunk

repository service svn at flashrom.org
Sat Jul 21 18:56:04 CEST 2012


Author: hailfinger
Date: Sat Jul 21 18:56:04 2012
New Revision: 1550
URL: http://flashrom.org/trac/flashrom/changeset/1550

Log:
Document --output in the man page.
Add an examples section to the man page.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006 at gmx.net>
Acked-by: Paul Menzel <paulepanter at users.sourceforge.net>

Modified:
   trunk/flashrom.8

Modified: trunk/flashrom.8
==============================================================================
--- trunk/flashrom.8	Fri Jul 20 22:35:14 2012	(r1549)
+++ trunk/flashrom.8	Sat Jul 21 18:56:04 2012	(r1550)
@@ -8,6 +8,7 @@
          [\fB\-c\fR <chipname>] \
 [\fB\-l\fR <file>]
          [\fB\-i\fR <image>] [\fB\-p\fR <programmername>[:<parameters>]]
+         [\fB-o\fR <logfile>]
 .SH DESCRIPTION
 .B flashrom
 is a utility for detecting, reading, writing, verifying and erasing flash
@@ -220,6 +221,13 @@
 .B "\-h, \-\-help"
 Show a help text and exit.
 .TP
+.B "\-o, \-\-output <logfile>"
+Save the full debug log to
+.BR <logfile> .
+If the file already exists, it will be overwritten. This is the recommended
+way to gather logs from flashrom because they will be verbose even if the
+on-screen messages are not verbose.
+.TP
 .B "\-R, \-\-version"
 Show version information and exit.
 .SH PROGRAMMER SPECIFIC INFO
@@ -697,6 +705,25 @@
 is the Linux device node for your SPI controller.
 .sp
 Please note that the linux_spi driver only works on Linux.
+.SH EXAMPLES
+To back up and update your BIOS, run
+.sp
+.B flashrom -p internal -r backup.rom -o backuplog.txt
+.br
+.B flashrom -p internal -w newbios.rom -o writelog.txt
+.sp
+Please make sure to copy backup.rom to some external media before you try
+to write. That makes offline recovery easier.
+.br
+If writing fails and flashrom complains about the chip being in an unknown
+state, you can try to restore the backup by running
+.sp
+.B flashrom -p internal -w backup.rom -o restorelog.txt
+.sp
+If you encounter any problems, please contact us and supply
+backuplog.txt, writelog.txt and restorelog.txt. See section
+.B BUGS
+for contact info.
 .SH EXIT STATUS
 flashrom exits with 0 on success, 1 on most failures but with 2 if /dev/mem
 (/dev/xsvc on Solaris) can not be opened and with 3 if a call to mmap() fails.




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