[OpenBIOS] Mixing 16 and 32 bits code
Ronald G Minnich
rminnich at lanl.gov
Sat May 20 13:57:13 CEST 2000
On Fri, 19 May 2000, Maciej W. Rozycki wrote:
> On Wed, 17 May 2000, Ollie Lho wrote:
> > .byte 0x66 /* prefix */
> > .byte 0x26
> > .byte 0x0f, 0x01, 0x16 /* lgdt [es:offset]*/
> > .word 0x02 /* offset in segment */
> Hmm, why would you encode lgdt manually? I can't recall gas handling it
> incorrectly and even if it did it would be gas that would need fixing.
> AFAIR, the "lgdtl %es:2" instruction yields exactly the same bytes as you
> emit explicitly above.
including the 0x66?
anyway I'm more than happy to change this code, but I was having GAS
pains :-). I like your fix though.
Seriously, though, don't forget that this code doesn't change after this
point as far as I am concerned. The real effort at this point is in the C
But thanks for the tip!
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