On Wed, 2022-02-23 at 12:22 +0100, Gerd Hoffmann wrote:
> On Tue, Feb 22, 2022 at 04:53:04PM +0100, Boeuf, Sebastien wrote:
> > From: Sebastien Boeuf <sebastien.bo...@intel.com>
> >
> > Following the model from the Xen target, CloudHv is generated as a
> > PVH
> > ELF binary to take advantage of the PVH specification.
>
> > --- /dev/null
> > +++ b/OvmfPkg/CloudHv/CloudHvElfHeaderGenerator.c
>
> Why create a new copy of this? What are the differences to the Xen
> version? I guess they are small so we can maybe have a common
> ElfPvhHeaderGenerator.c with command line switches?
That's right, I can work on updating the generator to take some
parameters so that I won't need the duplication of the file.
>
> > - OvmfPkg/ResetVector/ResetVector.inf
> > + OvmfPkg/XenResetVector/XenResetVector.inf
>
> Why this is needed?
It stores the "Start of day" structure pointer, which is then used by
some follow up patches to access hvm_start_info structure (containing
the PVH boot information).
>
> > +DATA = {
> > + #
> > + # This hex array have been generated by
> > OvmfPkg/OvmfXenElfHeaderGenerator.c
> > + # and copied manually.
>
> How about having the generator write a .fdf.inc file which you can
> just
> include directly without manual copying?
I understand the idea, but do you have any pointer to some existing
code in the repo already doing such thing?
Thanks,
Sebastien
>
> take care,
> Gerd
>
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