Re: [Xen-devel] [edk2] [PATCH RFC 0/7] OvmfPkg: make OVMF fully working with Xen

[Jordan Justen <jljusten@xxxxxxxxx>]

When I try to boot this on qemu or kvm, it asserts because the video
framebuffer address is NULL.

On Fri, Nov 15, 2013 at 7:58 AM, Wei Liu <wei.liu2@xxxxxxxxxx> wrote:
> This is a quick hack I pulled together last night to make OVMF work with Xen.
> I'm pretty sure there's many things that can be improved. ;-)
>
> Any advice is welcomed. I'm particular interested in comments such as how to
> organize code, what to refactor, how to achieve wider benifit for other use
> cases.
>
> Wei.
>
> Wei Liu (7):
>   HACK: Use DeutPkg/PciRootBridgeNoEnumeration and
>     PciBusNoEnumerationDxe

These modules would need to move to PcAtChipsetPkg in the non-hack version.

Actually, it would be even better if the generic version of these
modules could be tweaked with a PCD to not do enumeration.

>   OvmfPkg: introduce E820.h

Can you copy the E820 structs from IntelFrameworkModulePkg/Csm/
LegacyBiosDxe/LegacyBiosInterface.h instead?

>   OvmfPkg: define EFI_XEN_OVMF_INFO and extend XenInfo
>   OvmfPkg: extract OVMF info passed by Xen hvmloader
>   OvmfPkg: detect Xen earlier
>   OvmfPkg: introduce PublishPeiMemory
>   OvmfPkg: introduce XenMemMapInitialization

A quick glance makes me think the memmap stuff could tweaked, but I'll
wait until it seems like this actually could work before I look at
this too close. :)

-Jordan

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