Re: subr_firmware: implementing firmware_path kenv support

On Thu, Feb 26, 2026 at 6:34 PM Benjamin Lee McQueen <[email protected]>
wrote:

> hi freebsd-hackers@
>
> i'm looking into the TODO in sys/kern/subr_firmware.c ~line 288 which
> mentions
> looping over a path list fetched from a firmware_path kenv that the
> loader sets.
>
> after looking through the src, it looks like the loader doesn't set the
> kenv yet
>
> would an implementation require a loader change in stand/ or have i
> misread
> something?
>
> also, before i start writing after the above has been clarified,
> is this a desired feature?
> what's the format for the path list? (colon seperated, or like commas or
> sometihng else)?
>

It likely is a desirable thing. We likely want it to default to the normal
kernel loading
path if this is not set.

Neither the kernel nor the loader use/define/set this, so I'd suggest
making it as much
we do for module_path.

Warner