[LinuxBIOS] about make LinuxBIOS 64bit for Opteron

Kevin O'Connor kevin at koconnor.net
Sat Dec 17 19:54:34 CET 2005

On Fri, Dec 16, 2005 at 04:42:53PM -0700, Eric W. Biederman wrote:
> > Lu, Yinghai wrote:
> >> The problem is that we may need make Etherboot and mkelfImage to support
> >> 64 bit too...
> As for Etherboot and mkelfImage.  Etherboot can already load a 64bit
> payload.  Basically just make the ELF loader capable of handling
> a 32bit or a 64bit target.

If linuxbios uses 64bit mode, does that mean the payload must be

Is it possible to put the opteron back into 32-bit mode (for example
with a cpu reset followed by a warm-reset check at linuxbios start)?


More information about the coreboot mailing list