Jeremy Fitzhardinge wrote:
>> First of all, is this actually true? This seems like a monumental
>> screwup.
>>
>
> Yes. Is this a report of observed failure? And how would VMWare even
> go about implementing this kind of misfeature? Maybe it fails with
> particular instructions reading the framebuffer?
It supposedly is.
>> Second, assuming it is true, what should be done about it? The notion
>> that the bootloader should erase the screen is ridiculous since we spend
>> a lot of effort maintaining the screen context from 16-bit code.
>>
>> I see a couple of options:
>>
>
> Maintain a shadow framebuffer, and copy it to the real framebuffer on
> update...
How would you populate the shadow framebuffer? Pass it in from real mode?
-hpa
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