Re: QVSS driver and kernel autoconf

[David Brownlee <abs%absd.org@localhost>]

On 26 January 2015 at 00:02, Charles Dickman <chd%chdickman.com@localhost> wrote:
> Is there a good discussion of the kernel autoconf process somewhere? I
> can't seem to figure out how to get config and the kernel to do what I
> want it to do.
>
> The qv has 3 parts: frame buffer, dual serial port, and increment mouse port.
>
> I was trying for something like:
>
> qv* at uba? csr 177400
> qvfb* at qv?
> qvaux* at qv?
> qvmouse* at qv?
>
> but I couldn't get it to work.
>
> I ended up with
>
> qv* at uba? csr 177400
> qvaux* at uba? csr 177420
>
> and no hardware mouse. qv and qvaux are kind of intermixed which I don't like.
>
> According to the manuals for config, devices can only attach at
> interface attributes. How do I create an interface attribute? I think
> that { } makes an attribute an interface attribute.
>
> Here is what I have added to files.vax:
>
> # Monochrome QVSS framebuffer on qbus (VCB01)
> device  qvaux { line=-1 }: tty
> attach  qvaux at uba
> file    arch/vax/uba/qvaux.c            qvaux needs-flag
>
> device qv: displaydev, wsdisplaydev
> attach  qv at uba
> file    arch/vax/uba/qv.c               qv  needs-flag
> file    arch/vax/uba/qv_ic.c            qv | qvaux
>
> This works, but there is something about splitting the QVSS into two
> devices that doesn't set right. Especially since the interrupt
> controller is shared and so it has to be initialized independent of
> which half is first or even if the other half is ever attached to.
>
> What I am going to try next is:
>
> device qv {}:
> attach qv at uba
>
> device qvfb: displaydev, wsdisplaydev
> attach qvfb at qv
>
> device qvaux { line=-1 }: tty
> attach qvaux at qv
>
> I have tried to follow autoconf and I get lost in twisty passages.
>
> I want to have genfb attach to qvfb. When wscons is attached qv using
> code from smg, the display is 128 x 57 characters and is pretty small.
> I was hoping that genfb would give more options.

Did you have any luck with this?

Showing some serendipitous timing, on the day before you emailed this
a nice vt220-alike console font was committed to the tree

http://mail-index.netbsd.org/source-changes/2015/01/25/msg062660.html :)