[OpenBIOS] asm code
edwin_rhodes at hotmail.com
Wed Mar 1 17:07:00 CET 2000
what code do i need to zero 0b8000 - 0bfff0.
----- Original Message -----
From: James <jvh at uclink4.berkeley.edu>
To: <openbios at elvis.informatik.uni-freiburg.de>
Sent: Monday, February 21, 2000 3:27 PM
Subject: Re: [OpenBIOS] asm code
> > hi sorry this is slightly off topic but i need some asm code to clear
> > the screen in the linux kernel -- just after it says uncompressing
> > linux. how would i implement this in assembler, that would compile
> > under gas. thanks edwin
> By the time it says "uncompressing linux" it is already in 32 bit mode C
> code (inflate.c). It is writing to the screen directly at memory address
> 0b8000. To clear the screen, just zero 0b8000 - 0bfff0.
> > ps. will you eventually implement all the standard bios calls so that
> > other os's such as dos etc will run under open bios? or will it be
> > just a bios for linux? thanks and good luck.
> I believe the goal is to get support for the 32 bit OSs that don't use the
> BIOS, like WinNT, BeOS, Linux, BSD, and others (at least I think that is
> the goal and I think those OSs don't use the BIOS).
> - James
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