Re: [coreboot] Finding whether the BIOS is coreboot or not

[Stefan Reinauer]

* ron minnich  [150718 18:10]:
> Could you also look for LBIO in the e and f segments?

Since we moved the coreboot tables out of e and f you won't find
anything like that anymore.

1. Use cbmem tool
2. Dump coreboot table with nvramtool
3. dmidecode
4. ACPI table vendor
5. flashrom -r and check the image for CBFS, ID and master header

Stefan
> On Sat, Jul 18, 2015 at 12:34 AM Patrick Georgi  wrote:
> 2015-07-18 9:03 GMT+02:00 Kevin Wilson <[e-mail]>:
> > Is there a way, from a device running Linux,  to which I have access
> > to the command line, to know
> > whether the BIOS is coreboot or not ? by some utility, or by some sysfs
> entry ?
> We usually have coreboot related vendor names for ACPI tables (eg.
> dsdt table id 'COREBOOT'). Those are visible early on in dmesg, I
> think.
> Also our cbmem utility (coreboot source tree, util/cbmem) can print a
> coreboot specific table's content.
>
> Neither of these are guaranteed to be around (it would be possible to
> cloak things thoroughly), but it's likely that they are on coreboot,
> and pretty much non-existent otherwise.
>
>
> Patrick
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