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Updating related boot(8) pages



Dear list,

I had to PXE boot a dom0 kernel recently, with all the boot.cfg and DOM0
module + hypervisor deported on a host.

It took my quite some time, mainly due to lack of documentation. Finding a
mail from Christoph [1] sent two years ago (: would have helped me, but
IMHO, such stuff deserves to be added to boot(8) related man pages (in
addition to doc fixes, which I checked through code reading).

Before committing this stuff, I would appreciate if some of you could
proof-read my writings (correctness, better wording, etc.)

This diff:
- indicates that module loading (and not only boot.cfg support) is
disabled with PXE boot. Very helpful, as DOM0 kernel is loaded as a module.
*sigh*
- writes down the different arguments you can pass to a NetBSD DOM0 module
- a few minor fixes, especially in command passed interactively to boot
loader.

XXX the "ip=" parameter for DOM0 kernel seems to be borked; the "host" and
"my_ip" are redundant, and I can't find the code where the associated xi_ip
element is used.

XXX some code between standalone boot and pxeboot could be factored, but
well, it is not quite urgent :o

Thanks!

[1] http://mail-index.netbsd.org/tech-net/2008/10/24/msg000864.html

-- 
Jean-Yves Migeon
jeanyves.migeon%free.fr@localhost

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