On Tuesday 28 November 2006 10:29, Johan Rydberg wrote:
> "Yoshinori K. Okuji" <[EMAIL PROTECTED]> writes:
> > On Saturday 25 November 2006 04:33, Hollis Blanchard wrote:
> >> That's exactly the point: there will be no difference. Both
> >> architectures will use 64-bit types.
> >
> > No. Both should use 32-bit, because GRUB transfers control in 32-bit
> > mode. Passing 64-bit addresses would be useless in this case. Note that
> > the memory map information is 64-bit even in the previous version of
> > Multiboot Spec.
>
> That will not be true for x86_64-efi, which will have to run in long
> mode.

Oh, sorry. I meant "x86_64-pc" in the previous message. I just omitted "pc". 
When the firmware is different, it is feasible to make a different spec, 
but...

But is it true that EFI starts with 64-bit mode? Where is it defined? In UEFI? 
Could you give me a pointer?

Okuji


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