To: linux-kernel@vger.kernel.org
From: "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: What are .s files in arch/i386/boot
Date: 7 Jun 2003 14:27:34 -0700
Organization: Transmeta Corporation, Santa Clara CA
Message-ID: <bbtlc6$qtd$1@cesium.transmeta.com>
References: <Pine.LNX.4.44.0306072102580.1776-100000@jlap.stev.org> <6un0gty981.fsf@zork.zork.net>
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Copyright: Copyright 2003 H. Peter Anvin - All Rights Reserved
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Followup to:  <6un0gty981.fsf@zork.zork.net>
By author:    Sean Neakums <sneakums@zork.net>
In newsgroup: linux.dev.kernel
>
> James Stevenson <james@stev.org> writes:
> 
> >> > > What are .s files in arch/i386/boot, are they c sources of some sort?
> >> > > Where can I find the specifications documents they were made from? 
> >> > 
> >> > There are not c files.
> >> > They are assembler files
> >> > 
> >> > Try running gcc on a c file with the -S option
> >> > it will generate the same then you can tweak the
> >> > assembler produced to make it faster.
> >> > 
> >> Where can I find the .c files they were made from,
> >> and the spec sheets the .c files were made from? 
> >
> > You would have to find the original author of the person
> > who tweaks the assembler in the .s file chances are the .c
> > file is long gone though.
> 
> If there were ever C files to begin with.  It's not unheard-of for
> people to write assembler code from scratch.
> 

The ones in the Linux kernel were all written from scratch.

	-hpa
-- 
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
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