[LinuxBIOS] Problems with Filo booting - HELP

Jordan Crouse jordan.crouse at amd.com
Tue Oct 2 03:17:56 CEST 2007

On 01/10/07 21:06 -0400, joe at smittys.pointclark.net wrote:
> Quoting ron minnich <rminnich at gmail.com>:
> > On 10/1/07, joe at smittys.pointclark.net <joe at smittys.pointclark.net> wrote:
> >
> >> c. It is located in the second slot not first.
> >
> > hmm. could this second slot somehow have a different base physical
> > address? unlikely but this is getting confusing.
> >
> > ron
> >
> I don't think so. Your telling me. I am so confused right now I'm  
> starting to get a migrane. I can't for the life of me figure out why  
> this is choking. Everything seems to be ok right up to the  
> jmp_to_elf_entry() function. Then it chokes at the assembly part. Does  
> that make sense??

Absolutely - if your memory is hosed, this will be the first place that
you'll run afowl of it, especially when it comes to the top of memory.
Because whats happening at this point is that LinuxBIOS is copying some
part of itself to the top of memory to make room for the payload.  If
your memory map is wierd, then this will easily be the first place where
it will be exposed.


Jordan Crouse
Systems Software Development Engineer 
Advanced Micro Devices, Inc.

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