Off by eight.

[Eric W. Biederman]

Jordan Archer <jarcher at pobox.com> writes:

> How does the fallback version get executed?  Stepping through the reset sequence
> 
> it looks from my image that that's the default.

Possibly a better term would be failsafe image.

What happens is that if everything looks good the fallback image
hands control to the normal one.  Otherwise it keeps control.

The nice thing is that it is a general purpose technique that can all
be done in software.

Eric