ARM as a primary architecture

Richard W.M. Jones rjones at
Mon Mar 26 12:00:25 UTC 2012

On Mon, Mar 26, 2012 at 12:26:47PM +0200, Gerd Hoffmann wrote:
> Another possible way would be to boot directly from iscsi like you can
> do on x86 with an sanboot-enabled iPXE rom.  I have no idea whenever
> u-boot can handle that though.

No.  The U-boot supplied on the Trim-Slice is very simplistic in the
way it boots: It looks for a compiled script called "boot.scr" in four
possible local storage locations.  The script can then boot over the
network, but you've got to have the script in a local location in the
first place.

[You could also patch U-boot.  It's apparently stored in some
on-motherboard serial flash memory.]

Which leads me to a rant about ARM.  Grrrr RANT!!  I didn't think I'd
ever love the BIOS, but compared to the alternatives (UEFI and a
million different ARM bootloaders) it's simple and effective.


Richard Jones, Virtualization Group, Red Hat
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