[coreboot] blobs: is there a reason for intel microcode version 20150121?

Zoran Stojsavljevic zoran.stojsavljevic at gmail.com
Tue Nov 21 21:31:02 CET 2017

> And if you ask Intel employees about it, they just ignore you.

In 99,9% of cases, asking INTEL employees about anything is just pure waste
of the time and effort!



On Tue, Nov 21, 2017 at 7:33 PM, Nico Huber <nico.h at gmx.de> wrote:

> Hi Martin,
> On 21.11.2017 09:31, Martin Kepplinger wrote:
> > Since there are many releases of Intel's cpu microcode since 2015-01, I
> > was wondering if
> > there's a reason why coreboot, if at all, uses this one.
> the explanation might be a simple one, e.g. the last person who tried to
> update it, didn't know the new package exists at all. I bet that's true
> for 99% of the coreboot community.
> Last time I checked for microcode updates (for Skylake) I had to click
> through a license at intel.com and promise not to redistribute it! And
> if you ask Intel employees about it, they just ignore you. So I'm overly
> pleased to see your link ;) thank you very much! Please tell us, for
> future reference, how you found it.
> Now if you also tell us that it comes with a license that allows redris-
> tribution, that would be like an early Christmas xD That we don't have
> the (mandatory!) updates for current Intel processors in our blobs repo-
> sitory is one of the big bummers that make the upstream coreboot ex-
> perience suck.
> >
> > I know very little about it really. It may well be potentially bad to
> > simply use the latest version,
> No, it's considered to be the best thing to use the latest updates.
> > but in case it's really only because nobody did it, I might prepare a
> > patch to use
> > downloadmirror.intel.com/27337/eng/microcode-20171117.tgz instead
> > (someday, after
> > I testing it on my device).
> Please do so. Though, the `update-microcodes.sh` doesn't fit the binary
> format in the new package any more. I guess it can be replaced with a
> simpler script, e.g.
>     for f in ??-??-??; do
>         model=$(echo $f | sed -e's/\(0.\)-\(.\)\(.\)-0./0x\2\1\3/')
>         dir=$(printf "model_%xx\n" $model)
>         mkdir -p $dir
>         cat $f >>$dir/microcode.bin
>     done
> Best,
> Nico
> --
> coreboot mailing list: coreboot at coreboot.org
> https://mail.coreboot.org/mailman/listinfo/coreboot
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