[LinuxBIOS] Patch for vmlinux amd64 with mkelfImage

yhlu yinghailu at gmail.com
Sat Nov 4 21:39:09 CET 2006


So the start32 will go way in vmlinx 64 bit?

Then you will need 64bit boot loader.

Or can I use entrypoint for start64-0x100 to get the address for start32

YH

On 11/4/06, Eric W. Biederman <ebiederm at xmission.com> wrote:
> yhlu <yinghailu at gmail.com> writes:
>
> > On 11/4/06, Eric W. Biederman <ebiederm at xmission.com> wrote:
> >> The 32bit entry point for 64bit kernels is going away.  If you want to use
> >> vmlinux directly for 64bit kernels please use the 64bit entry point.
> >>
> > then with the 64bit entry point in 64bit kernel vmlinux, is it ok with
> > elfboot in current 32bit LinuxBIOS?
>
> Well you either there needs to be a trampoline to go from 32 to 64bit mode in mkelfImage
> or that little bit of logic needs to be in elfboot.  That logic already exists
> in etherboot.
>
> Eric
>




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