On Nov 11, 2013, at 12:59 PM, Peter Grehan wrote:

> Hi Devin,
>> When boot is executed, I know I can see "kenv console", but hadn't realized
>> that there were/are a host of others that are slurped into the kernel for 
>> later
>> (very purposeful) fetching.
>> So when you say that bhyve requests a serial console... I assume now it's
>> setting variables... but via raw Forth? C code? loader.conf(5)? I've seen my
>> menu come up under bhyve, and I noticed that it only has a 5-second count-
>> down instead of the usual 9 -- but I'm curious how you're exporting the 
>> variables.
> bhyve uses the loader facility to set env variables directly from loader 
> code. This is no different than other arch ports of the loader that set env 
> variables. The forced setting of boot_serial is just a convenience for users 
> since that is the only supported console type.

Thank you much for the explanation. I see it from end-to-end now.

> It doesn't touch the timeout code - should be whatever FreeBSD loader forth 
> scripts tell it to do.

Ah, must have been something Michael did. I noticed this whilst getting
demos from him on his laptop.

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