Re: cpuid_eax damages registers (2.4.7pre7)

From: Julian Anastasov (
Date: Thu Jul 19 2001 - 21:01:10 EST


On Thu, 19 Jul 2001, H. Peter Anvin wrote:

> Julian Anastasov wrote:
> >
> > What I want to say (I could be wrong and that can't surprise me) is
> > that the original cpuid_eax is in fact incorrect. All cpuid_XXX funcs
> > use only dummy output operands...
> >
> Bullsh*t. One of the output operands is always a non-dummy (in
> cpuid_edx() edx is not a dummy, for example.)

        Right, and it is may be not damaged. In my first posting I
claim that cpuid_eax damages ebx (and may be ecx and edx).

> -hpa


Julian Anastasov <>

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