On Tue, 2013-08-13 at 11:52 -0700, H. Peter Anvin wrote: > On 08/13/2013 11:43 AM, James Bottomley wrote: > > Can we actually boot a 32 bit kernel on an EFI64 system? The last time > > I tried on my Secure Boot SDV it wouldn't work; the problem is getting > > someting in the transfer of control path to boot the processor back to > > 32 bit mode. > > We can boot with a bootloader in "skip stub" mode; no runtime services > yet. So the bootloader has to do the 64->32 transition? > We are working on making it possible to boot via a EFI stub in > assisted mode (still needing a bootloader, but with the boot stub in the > kernel.) > > Runtime services will be the last piece, obviously, but even that looks > reasonably doable. So why not start with the working case (default to EFI on 64 bit) and add in the mostly non-working case (default to EFI on 32 bit) when it actually mostly works? James -- To unsubscribe from this list: send the line "unsubscribe linux-efi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
