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Re: yaboot in a simulation environment




your simulation environment would have to have OpenFirmware for yaboot
to have any hope of working.  If you do have this then the details of
installation would entirely depend on how that OF implementation works.

On Tue, Oct 11, 2005 at 11:48:10AM -0400, Dave B. Sharp wrote:
> 
> Hi There,
>   Was wondering if you could point me to the place I
> could get some info.
> 
> I am trying to create a simulation environment, using
> qemu, for a ppc embedded system. I do not have access
> to Linux running on a ppc or the target board at this
> point. Would like to set yaboot as the boot loader for
> an .img file (virtual hard disk) or similar, such as
> created with the qemu-img command. I can mount this
> disk image but the problem is how to install the boot
> loader. Can I dd some pre-build version of yaboot to
> the first 800k of this disk image?
> 
> My ultimate goal is in creating a wedge program that
> fits between the kernel and boot loader, yaboot acting
> as the arbitrary boot loader. I can build and test
> this on my X86 (sorry) before finally uploading and
> testing on my target board (when I get it). Hoping
> development and test in an emulator should be far
> quicker than using a real board. Ultimately I would
> like to extend this model to other architectures
> running Linux.
> 
> I haven’t found much info on exactly how yaboot works
> at the low level, outside of looking, in depth at the
> source code, and trying to create a possible work
> around. I do have access to an older e-mac running
> Tiger, but I can’t muck with the box in any
> significant way, such as installing Linux.
>   
> Is what I am trying to do possible? Any suggestions
> would be greatly appreciated. 
> Cheers
>   Dave Sharp
> 
> 
> 
> 	
> 
> 	
> 		
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-- 
Ethan Benson
http://www.alaska.net/~erbenson/

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