From dcbddba9cdefcd95847853fc9146976768e15f6d Mon Sep 17 00:00:00 2001 From: Carl-Daniel Hailfinger Date: Sat, 21 Jul 2012 16:56:04 +0000 Subject: Document --output in the man page Add an examples section to the man page. Corresponding to flashrom svn r1550. Signed-off-by: Carl-Daniel Hailfinger Acked-by: Paul Menzel --- flashrom.8 | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/flashrom.8 b/flashrom.8 index 9fb2f55..e104bce 100644 --- a/flashrom.8 +++ b/flashrom.8 @@ -8,6 +8,7 @@ flashrom \- detect, read, write, verify and erase flash chips [\fB\-c\fR ] \ [\fB\-l\fR ] [\fB\-i\fR ] [\fB\-p\fR [:]] + [\fB-o\fR ] .SH DESCRIPTION .B flashrom is a utility for detecting, reading, writing, verifying and erasing flash @@ -220,6 +221,13 @@ lists all supported programmers. .B "\-h, \-\-help" Show a help text and exit. .TP +.B "\-o, \-\-output " +Save the full debug log to +.BR . +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 @@ syntax where 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. -- cgit v1.1