[coreboot] Linux kernel as payload?

[John Lewis]

Thank Ron!

If anyone's interested, you can find the Buildroot/kernel configs and 
Jeltka script @

https://johnlewis.ie/buildroot-2014.08-config
https://johnlewis.ie/linux-3.16.6-config
https://johnlewis.ie/jeltka.sh

It's out of date and could use some other improvements, but I'm sure it 
would save someone a lot of time getting a kernel payload working in 
under 3.5 megs size.

John.

On 2016-01-21 18:39, ron minnich wrote:
> I think JELTKA is a model of how it can be done. Consider talking to
> John Lewis.
> 
> Ron, Satisfied JELTKA user.
> 
> On Thu, Jan 21, 2016 at 9:58 AM Patrick Georgi via coreboot
> <coreboot at coreboot.org> wrote:
> 
>> 2016-01-21 18:49 GMT+01:00 Kitestramuort
>> <kitestramuort at autistici.org>:
>>> Can I compile it 64bit?
>> As long as you keep the 32bit entry point around, yes (which I
>> think
>> is the default configuration for x86_64 kernels).
>> In kconfig/menuconfig/..., select a linux payload, and point to the
>> bzImage file. That should work (and this part of coreboot is pretty
>> well testable with our QEmu targets, in case you want to try it out
>> first).
>> 
>>> Is there any further documentation on this?
>> Sadly documentation is not a strength in this project.
>> 
>>> I found something on the wiki
>>> https://www.coreboot.org/Board:tyan/s2891#LAB_payload [1]
>> The kexec information there is probably still useful, the buildrom
>> stuff is horribly outdated.
>> 
>> Patrick
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> 
> 
> Links:
> ------
> [1] https://www.coreboot.org/Board:tyan/s2891#LAB_payload
> [2] http://www.coreboot.org/mailman/listinfo/coreboot