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Status of vbe and vesa implementation
From: |
Durand Miller |
Subject: |
Status of vbe and vesa implementation |
Date: |
Thu, 30 Oct 2003 10:59:21 +0200 |
Hi,
About a week ago, I was shown the vbe part of the Multiboot specification.
Browsing through the code, I saw that the vbe flags are mostly ignored and
the features not implemented. I also noticed that one of the bugs (bug
#510) noted on the grub website include a "Reconsider the VBE support".
Part of my interest in this has to do with the fact that I have operating
system development as one of my hobbies and the vbe support of grub would
help me out quite a lot. I'm not alone in this though; there are many new
people who get stuck on the vesa support when messing around with os dev.
However, I don't think this feature will have much support outside of
hobbiest developing since all major os's have graphics drivers already and I
think this absence of need has caused this feature to be put aside for a
while.
So what I've done is add two more functions to builtins.c and modified the
boot procedure to check to for vbe request in the multiboot header, set the
correct or close-enough mode and pass this information along in the
multiboot information structure. It all works and it's only a few lines of
code.
I just wanted to know if there is any point in submitting a patch if the VBE
support is possibly going to change.
I would also be interested in working further on this...
Durand Miller
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