[syslinux] [RFC][PATCH] Gfxboot COMBOOT module

Steffen Winterfeldt wfeldt at suse.de
Wed Nov 26 02:57:14 PST 2008


On Wed, 26 Nov 2008, Sebastian Herbszt wrote:

> Looking at bootsplash-theme-SuSE-3.1-176.src.rpm i finally found where this is being used.
> system.inc got readsector which calls the internal _readsector from bincode.asm. There is a
> is_dvd function in common.inc which uses readsector to figure out the cd/dvd volume size.
> And this is used in dia_install.inc to display "DVD" or "CD-ROM". is_dvd seems to use
> the gfx_media_type value to only call readsector if media type is cdrom. There is also
> iso.needscheck in common.inc which does use readsector.
> 
> Steffen, is it correct to say readsector is not used unless media type is cdrom?

That's correct.

> I did not find any partition table parsing code (yet), but i am still
> trying to figure out the pscode.

Not in yet.

In principle I can do the int 13 calls directly in gfxboot but it seemed an
unnecessary code duplication. Technically no big deal.


Steffen

-- 
Der frühe Wirt holt sich den Wurm.




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