amd64 native boot loader?
Bruce Cran
bruce at cran.org.uk
Sat Dec 22 01:33:10 PST 2007
snowcrash+freebsd wrote:
> hi,
>
> i've FBSD/amd64 62Rp9 installed. kernel & world are my own builds
> from latest cvsup.
>
> on boot I see:
>
> "FreeBSD/i386 bootstrap loader"
>
> odd. i'd expect a native loader ...
>
> checking in,
>
> /usr/src/sys/boot > ls
> Makefile alpha/ arm/ efi/ forth/ ia64/ pc98/
> sparc64/
> README arc/ common/ ficl/ i386/ ofw/ powerpc/
>
> other arches seem to be there ... just not amd64.
>
> where's the src for the amd64?
>
>
AMD64 CPUs are backwards compatible with i386; they boot in 16-bit real
mode and only get switched into 64-bit 'long mode' by the kernel later
on. Since both i386 and amd64 start booting in the same way, there's no
need for separate bootloaders.
--
Bruce
More information about the freebsd-questions
mailing list