[coreboot] kernel payload

Duncan Guthrie dguthrie at posteo.net
Sat May 6 01:55:05 CEST 2017


Hi Ron,

Oooh how interesting!
Maybe I'm just a little too mundane in my use case :)

-Duncan

On 06.05.2017 01:34, ron minnich wrote:
> Duncan, I'm going to disagree with you  :-)
> 
> In the last years we've done all of these things:
> - build initramfs into kernel, build kernel into flash, boot into
> that, and that's all that's needed for a kiosk or other device
> - use the initramfs to net boot the linux, first shown at LANL on HPC
> systems in 2000.
> - start the kernel and mount the root file system and run from that,
> configure a network, boot from wireless or the disk (shown on the OLPC
> at one point)
> - put the kernel and initramfs in flash, boot that, dhcp configure the
> network, wget a new kernel, gpgv that kernel, kexec that kernel, using
> a Go userland to do all that (what we're doing at Google now as a
> demonstration)
> - kernel in flash, nfs mount root, kexec kernel on that nfs mount
> point
> 
> Once you have a kernel in flash, the possibilities are fairly endless
> and much more interesting that any bootloader I can think of.
> 
> ron



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