[OpenBIOS] OpenBIOS PowerPC missing open firmware commands
Andreas Färber
andreas.faerber at web.de
Wed Jul 20 00:14:07 CEST 2011
Am 19.07.2011 um 23:06 schrieb Tarl Neustaedter:
> On 2011-Jul-19 10:12 , Alexander von Gluck wrote:
>>>
>>> The following OpenFirmware commands aren't implemented:
>>>
>>> erase-screen
>>> toggle-cursor
>>
>> It does seem like these are implemented after looking at the sources.
>> However we receive the following error when they are used:
>>
>> undefined defer word toggle-cursor
>> undefined defer word erase-screen
>
> That usually means your Video driver didn't initialize them. The
> words are defined as "defer" words, so they don't point to anything
> useful until a display driver comes by and initializes them. This
> allows one piece of code to be generic and callable from the ok
> prompt, while to unsightly innards are buried in the specific video
> driver that this system has loaded.
>
> It sounds like your display driver didn't initialize them.
Just to verify, your == OpenBIOS' display driver? Or should the OS do
something?
Andreas
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