Re: my opinion about VGA devices
From: Oliver Neukum
Date: Wed Oct 20 2004 - 15:30:54 EST
> I guess that you are talking about the fact that displaying text
> messages would be possible only after the first device driver has
> initialized and registered with the kernel.
No, the kernel cannot print at all.
> You could do the printing in two stages: at the begining the same way as
> in the current kernel, but as soon as the first driver is registered,
> the kernel switches to the function provided by the driver.
The current kernel can print only if the video chipset is initialised
to a certain degree, which usually the firmware or the boot loader
provide for.
Regards
Oliver
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