Segments in pre-C and C part
ollie at lanl.gov
Tue Nov 2 17:11:06 CET 2004
On Tue, 2004-11-02 at 16:23, Eric W. Biederman wrote:
> Li-Ta Lo <ollie at lanl.gov> writes:
> > Eric,
> > Why we use two differenct segment lay out for pre-C and
> > C part ?
> For the code that runs from ram and the code that runs
> directly from the rom chip.
> > In entry32.inc it is 0x08 for code and 0x10 for data but
> > in c_start we use 0x10 for code and 0x18 for data.
> Good question but it is probably a decent thing that will
> keep up from making too many assumptions that they have the
> same gdt.
> I don't believe this is something that has changed recently.
It is there for a long time. I just want to know why.
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