Re: Pegasos frame buffer (was: map_isa_ioregs)

[Frank Wille <frank%phoenix.owl.de@localhost>]

Matt Sealey wrote:

> If you must mess around and need a graphical framebuffer, try this;

Just as a fallback, when no real framebuffer driver is available. The Radeon
driver works perfectly on my Pegasos.


> 1) boot the system
> 2) somewhere in NetBSD, use vesa-set-mode with the correct value for the
>    required framebuffer console mode 3) vesa-frame-buffer-adr will report
> the address, set the framebuffer address
>    in the display node if you need to keep it around

Indeed. This seems to work. But unfortunately there is no way to manipulate
the color map for 8-bit modes.


> It's probably best not to use the VESA stuff outside of the OF console
> (i.e. ofwboot, or a forth script, or manually typing it) and using it
> forfeits your use of the text mode console and the tty emulator so you
> must have a framebuffer console (wscons?) available.

It is available.


-- 
    _  Frank Wille (frank%phoenix.owl.de@localhost)
 _ //  http://sun.hasenbraten.de/~frank/
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