On Wed, Dec 01, 2021 at 12:04:36PM +0100, sebastien.bo...@intel.com wrote:
> From: Sebastien Boeuf <sebastien.bo...@intel.com>
>
> Adding support for retrieving the Cloud Hypervisor ACPI tables as a
> fallback mechanism if tables are not found through fw_cfg.
>
> Signed-off-by: Rob Bradford <robert.bradf...@intel.com>
> Signed-off-by: Sebastien Boeuf <sebastien.bo...@intel.com>
> ---
> OvmfPkg/AcpiPlatformDxe/AcpiPlatform.c | 4 +
> OvmfPkg/AcpiPlatformDxe/AcpiPlatform.h | 6 +
> OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf | 1 +
> OvmfPkg/AcpiPlatformDxe/CloudHvAcpi.c | 117 ++++++++++++++++++++
> OvmfPkg/Include/IndustryStandard/CloudHv.h | 5 +
> 5 files changed, 133 insertions(+)
> create mode 100644 OvmfPkg/AcpiPlatformDxe/CloudHvAcpi.c
>
> diff --git a/OvmfPkg/AcpiPlatformDxe/AcpiPlatform.c
> b/OvmfPkg/AcpiPlatformDxe/AcpiPlatform.c
> index 613a8ac97f..abd1f550d4 100644
> --- a/OvmfPkg/AcpiPlatformDxe/AcpiPlatform.c
> +++ b/OvmfPkg/AcpiPlatformDxe/AcpiPlatform.c
> @@ -29,5 +29,9 @@ InstallAcpiTables (
> EFI_STATUS Status;
>
> Status = InstallQemuFwCfgTables (AcpiTable);
> + if (EFI_ERROR (Status)) {
> + Status = InstallCloudHvTables (AcpiTable);
> + }
Same here, I think you should use the host bridge pcd.
take care,
Gerd
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