Aiee :)
Hello!
On Mon, Apr 29, 2002 at 12:02:08PM -0700, tune more wrote:
> question about following value in head.S
>
> .quad 0x00cf9a000000ffff /* 0x10 kernel 4GB code
> .quad 0x00cf92000000ffff /* 0x18 kernel 4GB data
> .quad 0x00cffa000000ffff /* 0x23 user 4GB code
> .quad 0x00cff2000000ffff /* 0x2B user 4GB data
>
>
> why user selector 0x23 and 0x28? my stupid mind is
> thinking about 0x20 and 0x28.
0x23 (100 0 11) specify a DPL equals to 3 (aka ring 3), GDT, 4th entry.
0x20 (100 0 00) would specify a DPL equals to 0, GDT, 4th entry, which
shouldn't be a right user selector, IMHO :)
Same thoughts applies to 0x2B.
> please straight my foolish mind.
> thanks,
Hope I didn't mess up things ;)
bye bye
-- gg sullivan
--
Lorenzo Cavallaro `Gigi Sullivan' <sullivan@sikurezza.org>
Until I loved, life had no beauty;
I did not know I lived until I had loved. (Theodor Korner)
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