Re: [Xen-devel] [PATCH v3 07/35] OvmfPkg/XenResetVector: Saving start of day pointer for PVH guests

2019-07-05 Thread Laszlo Ersek
On 07/04/19 16:42, Anthony PERARD wrote: > As described in the Xen PVH documentation [1], "ebx: contains the > physical memory address where the loader has placed the boot start info > structure". To have this pointer saved to be able to use it later in the > PEI phase, we allocate some space in

[Xen-devel] [PATCH v3 07/35] OvmfPkg/XenResetVector: Saving start of day pointer for PVH guests

2019-07-04 Thread Anthony PERARD
As described in the Xen PVH documentation [1], "ebx: contains the physical memory address where the loader has placed the boot start info structure". To have this pointer saved to be able to use it later in the PEI phase, we allocate some space in the MEMFD for it. We use 'XPVH' as a signature