Re: Generic VESA framebuffer driver and Video card BOOT?

[Richard Smith <rsmith@bitworks.com>]

Kendall Bennett wrote:

> Actually there is nothing wrong with the x86 BIOS from the perspective of 
> functionality and useability (or bloat for that matter). It contains all 
> the functionality we need and armed with something like the x86 emulator 
> we can use it for what we need on any platform.

> IMHO that is the best solution to the problem because it will be using 
> code that has been heavily tested by the vendor. The one thing x86 Video 
> BIOS'es can do reliably is POST the graphics card ;-)

I'm just going to take your word on this since you have messed with far 
more video bioses than I.  I've just got a few too many scars over the 
years from trying to make the whole BIOS sub-system robust enough for 
embedded standards.

> That would be nice if you could trim it down ;-) Would certainly save a 

Check out linux-tiny (http://www.selenic.com/tiny-about/)

> lot of code bloat. But if you do that, then you would need this code in 
> the kernel since now it would be the boot loader as well ;-)

Exactly. Which is why I like your project and I think its a good thing. 
    The only reason I have to carry around the legacy BIOS baggage is 
for video.

How big is your in-kernel implementation?

-- 
Richard A. Smith




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