Re: GRUB2 Multiboot and 64bit OSes

[Jerone Young]

Yes the OS should switch the processor into long mode. You will need
to add this logic to the kernel that you are writing (I'm assuming
that you are, as this logic is already in Linux or FreeBSD).


On 9/30/07, Simon Peter <address@hidden> wrote:
> Hi,
>
> is it true that GRUB2 multiboot, while supporting ELF64 images, does
> not switch to long mode on its own, before booting the kernel image?
>
> Thanks,
> Simon
>
>
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