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SubjectRe: [Fwd: CPU detection revamp (Request for comments)] wrote:
> On Fri, 10 Nov 2000, Brian Gerst wrote:
> > > features : fpu vme de pse tsc msr mce cx8 pge mmx syscall 3dnow
> >
> > The K6's don't support sysenter/sysexit.
> The K6 datasheets suggests otherwise.
> Some models seem to have sysenter/sysexit, whilst others have
> syscall/sysret. No model seems to have both.
> The datasheets are somewhat confusing, as it doesn't mention bit 10
> at all, just an oversized box for bit 11.

The Athlons support sysenter and syscall, but the K6's only support
syscall. The earlier version of syscall (bit 10) is undocumented by


Brian Gerst
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