It's nice to see folks willing to tutor, but really, don't get burned
out. This list is probably better suited to handling deeper questions.
On Sun, 2003-06-08 at 15:04, Jos Hulzink wrote:
> On Saturday 07 Jun 2003 23:27, H. Peter Anvin wrote:
> > Followup to: <firstname.lastname@example.org>
> > By author: Sean Neakums <email@example.com>
> > In newsgroup: linux.dev.kernel
> > > James Stevenson <firstname.lastname@example.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
> > > >> >
> > > >> 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.
> And for a very good reason. A few things really need asm, for example getting
> a CPU in protected mode, setting up the MMU and stuff. Once they are set up,
> you can use C, though sometimes you must be really sure what your compiler
> will make from the C.
> So, why assembly ? Cause it is needed. Why in arch/i386/boot ? for if it is
> well done there, it isn't needed at many other locations. A few things will
> still require asm though, therefore you'll find more .s files in arch/i386.
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