RE: [OpenBIOS] Questions...

[Stawnyczy, Evan]

> From what i've seen C functions require a bios to run.  Which compiler are
> you using?

-----Original Message-----
From: Ronald G. Minnich [mailto:[e-mail]]
Sent: January 20, 2000 6:19 Pm
To: [e-mail]
Subject: RE: [OpenBIOS] Questions...


On Thu, 20 Jan 2000, Stawnyczy, Evan wrote:
> i agree... i have been known for my proficcency in the ix86 assembly
> coding

my personal bias here would be ... no assembly. The flash roms are 1 MB
and if we can't write a good C bios in that much room we're doing
something wrong. 

doesn't matter, I'm doing my work in C. But I was surprised and happy to
see that OpenBIOS switches very early on to protected mode and shortly
after that to C.

ron

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Questions...

[Jeff Garzik]

"Stawnyczy, Evan" wrote:
> From what i've seen C functions require a bios to run.  Which compiler are
> you using?

No, a C compiler generates straight CPU assembly code.

BIOS only gets involved when through the runtime library.  Under MS-DOS
for example, malloc() and read() both require BIOS assistance.  Under
Linux they do not.

Regards,

	Jeff




-- 
Jeff Garzik         | Andre the Giant has a posse.
Building 1024       |
MandrakeSoft, Inc.  |
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Questions...

[Ronald G. Minnich]

On Mon, 24 Jan 2000, Stawnyczy, Evan wrote:
> > From what i've seen C functions require a bios to run.  Which compiler are
> > you using?

not at all. We're using just enough of the current openbios to get linux
running, and that is a pretty big blob of C code, and it does not need the
bios at all once you jump to it. Note also that openbios hardly does
anything at present. 

ron



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