ron minnich wrote: > On Mon, Sep 8, 2008 at 8:23 AM, Stefan Reinauer <[EMAIL PROTECTED]> wrote: > >> Carl-Daniel Hailfinger wrote: >> > > >>> Stefan, you're the core duo expert. Do you see any way to have the same >>> stack location during and after CAR? >>> >>> >> No. There is no RAM at that position. >> >> > > OK, can we get a confirmation here one way or another on core 2 duo. > There is no ram at "that" position. I assume "that" is 0xc0000? Is it > possible to ever have CARBASE where there is RAM or is this a hardware > limit. If there is no RAM at CARBASE, then it is not possible to > return from disable_car and we need a simple redesign. > No, as I wrote, it's 0xFFxxxxxx. Putting it in the low 1M will not work.
> The CAR decision in v3 that was taken some time ago was to assume that
> we could return from disable_car.
>
Why would this not be possible? Change %sp and return.
Stefan
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