Re: [Pgubook-readers] pgubook-reader

[Bryn Reeves]

On Sun, 2005-03-13 at 22:34, Jonathan Bartlett wrote:
> > Hallo Mr. Bartlett,
> > i wish to thank you for  having published this absorbing book. Programs 
> > works
> > all on SuSE after assembling with as-assembler. Is it the same assembler 
> > used
> > in linux-programming (kernel) ?
> 
> If I remember correctly, the kernel actually uses two different assemblers
> -- one for bootup code and another for more normal tasks.  The assembler
> used for bootup code is called as86 I believe, and I think it uses Intel
> syntax instead of AT&T.

This is historically correct, but since about 1999 all versions use AT&T
syntax for all files, including the early bootup code. 

bootsect.S and setup.S in the arch/i386/boot subdirectories both contain
the following comments:

 * Transcribed from Intel (as86) -> AT&T (gas) by Chris Noe, May 1999.
 * <address@hidden>

Kind regards,

Bryn.

> Jon
> 
> 
> 
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