On Fri, Oct 15, 2010 at 10:59:38PM +0100, Piscium wrote: > 2010/10/13 Dennis Cao <[email protected]>: > > HI guys, > > I am really interested in grub. So i dig into the source code a bit. I > > find that the boot program is written in AT&T assembly. > > AT&T?? I am not sure where you got that. i386 is an Intel > architecture, also used by AMD and a few others. So search the Intel > or AMD websites for manuals on CPUs of the i386 family and you will > find complete descriptions of the language. Mind you, they are big > manuals, with hundreds of pages, good to read before going to sleep! > The architecture may be i386, but the assembler syntax can be either Intel or AT&T (I haven't actually looked at the grub source code). The gas assembler uses AT&T syntax by default, most other assemblers use Intel.
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