Re: [Xen-devel] Crashing Xen

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

> Does Xen use the start_info (passed in ctxt->esi) for anything (such as
> setting up CR3), or is this value just passed on to the domain? Is
> passing bogus start_info a problem for Xen?

No, the start_info structure is opaque to Xen. The definition of
start_info, and the convention of passing a pointer to it in %esi, is
known only to DOM0 control utils and guest OSes.
 
> If not, what is the state of CR3 and paging when the domain boots?

It's a field in full_execution_context_t, passed to
DOM0_BUILDDOMAIN.

 -- Keir


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