[flashrom] My first question...

Stefan Tauner stefan.tauner at student.tuwien.ac.at
Sat Oct 1 00:21:03 CEST 2011

On Fri, 30 Sep 2011 19:32:05 +0200
Bernd Blaauw <bblaauw at home.nl> wrote:

> Op 30-9-2011 19:09, Marcos Felipe Rasia de Mello schreef:
> >> I get differences with the previous one. I haven't enter in the bios or change
> >> anything... I was expecting no differences between them. Am I missing
> >> anything?
> >>
> >> Regards
> >> Jorge
> >
> > http://flashrom.org/Random_notes#Bios_content_changes_between_reboots
> It might be usefull if Flashrom gets a percentage counter:
> 'file savebios.bin is 99.3% identical to EEPROM contents, continue at 
> your own risk. It's also 50.0 % identical to file asusbios.bin'
> instead of something along the lines of 'verification failed, file is 
> corrupt'.
> Above example would also require a way to reference a 2nd file to verify 
> against. Let's say that 2nd file is an internet-downloaded original 
> motherboard vendor's BIOS instead of a flashrom dumped file.
> After all, people might want to check if flashrom works correctly before 
> writing anything. What better way than dump current bios, compare dumped 
> file to bios but also compare to vendor bios file. All 3 should be 
> (near-)identical.

some additional output in verify mode might indeed be nice. OTOH bsdiff
etc might give similar insights - not that terse and
"interactively" though.
Kind regards/Mit freundlichen Grüßen, Stefan Tauner

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