On 04/09/19 13:08, Anthony PERARD wrote:
> A Xen PVH guest doesn't have a RTC that OVMF would expect, so
> PcatRealTimeClockRuntimeDxe fails to initialize and prevent the firmware
> from finish to boot. To prevent that, we will use the
> XenRealTimeClockLib from ArmVirtPkg which simply always return the same
> time. This will work on both Xen PVH and HVM guests.
>
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Anthony PERARD <anthony.per...@citrix.com>
> ---
> OvmfPkg/XenOvmf.dsc | 5 ++++-
> OvmfPkg/XenOvmf.fdf | 2 +-
> 2 files changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/OvmfPkg/XenOvmf.dsc b/OvmfPkg/XenOvmf.dsc
> index 72d6ea8b29..14ef9ea9f2 100644
> --- a/OvmfPkg/XenOvmf.dsc
> +++ b/OvmfPkg/XenOvmf.dsc
> @@ -577,7 +577,10 @@ [Components]
> }
> MdeModulePkg/Universal/ResetSystemRuntimeDxe/ResetSystemRuntimeDxe.inf
> MdeModulePkg/Universal/Metronome/Metronome.inf
> - PcAtChipsetPkg/PcatRealTimeClockRuntimeDxe/PcatRealTimeClockRuntimeDxe.inf
> + EmbeddedPkg/RealTimeClockRuntimeDxe/RealTimeClockRuntimeDxe.inf {
> + <LibraryClasses>
> +
> RealTimeClockLib|OvmfPkg/Library/XenRealTimeClockLib/XenRealTimeClockLib.inf
> + }
> MdeModulePkg/Universal/DriverHealthManagerDxe/DriverHealthManagerDxe.inf
> MdeModulePkg/Universal/BdsDxe/BdsDxe.inf {
> <LibraryClasses>
> diff --git a/OvmfPkg/XenOvmf.fdf b/OvmfPkg/XenOvmf.fdf
> index 9aa998f15f..1b62da2ec5 100644
> --- a/OvmfPkg/XenOvmf.fdf
> +++ b/OvmfPkg/XenOvmf.fdf
> @@ -293,7 +293,7 @@ [FV.DXEFV]
> INF MdeModulePkg/Bus/Pci/PciBusDxe/PciBusDxe.inf
> INF MdeModulePkg/Universal/ResetSystemRuntimeDxe/ResetSystemRuntimeDxe.inf
> INF MdeModulePkg/Universal/Metronome/Metronome.inf
> -INF
> PcAtChipsetPkg/PcatRealTimeClockRuntimeDxe/PcatRealTimeClockRuntimeDxe.inf
> +INF EmbeddedPkg/RealTimeClockRuntimeDxe/RealTimeClockRuntimeDxe.inf
>
> INF OvmfPkg/XenIoPvhDxe/XenIoPvhDxe.inf
> INF OvmfPkg/XenIoPciDxe/XenIoPciDxe.inf
>
(1) I suggest following "ArmVirtXen.dsc", that is, please resolve the
RealTimeClockLib class to XenRealTimeClockLib.inf globally, under
[LibraryClasses].
With that,
Acked-by: Laszlo Ersek <ler...@redhat.com>
Thanks
Laszlo
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