Not possible without xen cooperation and xen has no hypercalls for this (main problem being page table layout) On 1 Jul 2014 18:06, "Phillip Susi" <ps...@ubuntu.com> wrote:
> -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > I have been trying to fix grub to load a 32 bit kernel from the 64 bit > xen build. After fixing up one or two minor issues with the elf > loader, I believe I now have it to the point where it jumps correctly > to the 32 bit kernel and it crashes there, since it is 32 bit code > still executing on a cpu in 64 bit mode. The question is how to > return the cpu to 32 bit mode *under xen*? > > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v2.0.17 (MingW32) > Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ > > iQEcBAEBAgAGBQJTstxwAAoJEI5FoCIzSKrwTrkH/Ro3cvppQdn0vF0E5pJdsap7 > I9ff+HZ+zhUVY+IBGtcQmfPMzeuQGfltHa+sjiFWwFKjhqTdUmbG6pJAvQLErOv0 > q1/h8QUs6VAWXOCyn0veWD8tFOtoJ7LhAA3VYshTGLXclZbqoiKG233YHBPbT7j+ > 0R8qMSLK7jPlYdvFbAAZn0DaXp1kYiulUEMioqtymLVHHR/0JdHn2KyqvuAPpjZU > +xb4redG8ZV/B2Pe4locncgik0XGb9N7OVrg3wyXUsp3S077TT7kx9sLPkxfhqA+ > bjgO0NQhFoy6ffQzYzvgiWnLBhjmxb0fegGMe3vx7MaYcihpB6mkfHwjzdz1cFs= > =OqNA > -----END PGP SIGNATURE----- > > _______________________________________________ > Grub-devel mailing list > Grub-devel@gnu.org > https://lists.gnu.org/mailman/listinfo/grub-devel >
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