On 8/20/07, H. Peter Anvin <[email protected]> wrote:
> Yinghai Lu wrote:
> >
> > someone told me that EFI PEI will be 32 bit ( for mem etc
> > initialization), and after that will be 64 bit, so the Run time
> > service will be 64 bit only, and it will only support 64 bit OS with
> > EFI. and they have another mode to emulate the legacy BIOS to boot
> > 32bit OS.
> >
>
> That seems unlikely for e.g. the existing Macs already in the field.
>
> *Sigh.*
>
Actually some implementations do run PEI in 32 bit and DXE/BDS in 64
bit; I'm not sure what Macintosh does though..
-san
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