Re: [coreboot] suspend/resume in v3

[ron minnich]

On Mon, Sep 8, 2008 at 10:00 AM, Stefan Reinauer  wrote:
> ron minnich wrote:
> > On Mon, Sep 8, 2008 at 8:47 AM, Stefan Reinauer  wrote:
> > > Why would this not be possible? Change %sp and return.
> >
> > if you change sp you really can not return. That's the issue.
>
> why not? Assuming you created a valid stack before you switch esp. But
> that's really no magic.

crafting a return frame is easy. Recreating all of a stack, at a
different address, is easy for all the parts that are not impossible.
The
impossible parts are hard.

ron