yaboot architecture

[Derick Centeno]

Instead of addressing the "grubby" details if you actually visit Terra  
Soft's website, the people who developed Yellow Dog Linux the supported  
hardware for the current version of YDL is posted:

http://www.terrasoftsolutions.com/support/hardware/breakdown/

Essentially the hardware are all varieties of PowerPC systems.  The  
architecture is so vastly different between PowerPC and Intel based  
compatibles that even the order of how data is both read and stored in  
the computer registers are reversed!  That is merely one distinction.   
It cannot even be compared to how some human languages read from left  
to right and others from right to left.  Believe me, the distinctions  
of the architectures if one were to seriously try to comprehend it  
would take several upper level computer science courses over at least  
three semesters and that would be a mere introduction regarding what is  
going on.

As you don't have a PowerPC system perhaps some technical references  
may satisfy your curiosity and assist you in considering whether you  
wish to explore this side of computer research and processing.  You can  
check here:

http://btobsearch.barnesandnoble.com/booksearch/results.asp? 
WRD=PowerPC&z=y&btob=Y

The reference:
The Linux Kernel Primer: A Top-Down Approach for x86 and PowerPC  
Architectures
Claudia Salzberg Rodriguez, Gordon Fischer, Steven Smolski

may sate you.

By the way, this area of Barnes & Nobles is dedicated to Professional  
and Technical works; it's a nice resource.  Not as neat as having  
access to all the reference works of all the libraries on the planet,  
but it's pretty cool.

Best wishes ...

On Feb 28, 2006, at 5:52 AM, Raghu wrote:

> Hello All,
> I do not have a Power processor machine. After reading
> the "README" etc I was not very clear about the
> architecture and wanted to check if I can get more
> detais.
>
> 1. There are not much platform specific initialization
> code i.e. Power G3, G4, G5 etc specific code in yaboot
>
> 2. Is "yaboot" something like "GRUB" i.e. after
> poweron on x86 based systems BIOS takes control, loads
> GRUB which in turn has the option to boot strap either
> windows or Linux ?
>
> 3. Is it like platform specific code for G3, G4 based
> machines actually launches "yaboot" which in turn
> reads the MBR from disk driver and loads the Linux
> kernel ?
>
> Thanks in Advance.
> Warm Regards,
> Raghu.
>
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