Re: [PATCH edk2-platforms v2 39/43] Silicon/Hisilicon/Setup: Support SPCR table switch

[Ming <ming.huang@linaro.org>]

Hi Leif,

How about this patch?

On 8/14/2018 4:08 PM, Ming Huang wrote:
> If install SPCR table, KVM will not output while install or boot
> some OS, like ubuntu, so add SPCR switch setup item and set it
> disable by default.
> 
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Ming Huang <ming.huang@linaro.org>
> Signed-off-by: Heyi Guo <heyi.guo@linaro.org>
> ---
>  Silicon/Hisilicon/Drivers/HisiAcpiPlatformDxe/AcpiPlatformDxe.inf |  1 +
>  Silicon/Hisilicon/Drivers/HisiAcpiPlatformDxe/UpdateAcpiTable.c   | 24 ++++++++++++++++++++
>  2 files changed, 25 insertions(+)
> 
> diff --git a/Silicon/Hisilicon/Drivers/HisiAcpiPlatformDxe/AcpiPlatformDxe.inf b/Silicon/Hisilicon/Drivers/HisiAcpiPlatformDxe/AcpiPlatformDxe.inf
> index 281a4f2ebd..3d133aff85 100644
> --- a/Silicon/Hisilicon/Drivers/HisiAcpiPlatformDxe/AcpiPlatformDxe.inf
> +++ b/Silicon/Hisilicon/Drivers/HisiAcpiPlatformDxe/AcpiPlatformDxe.inf
> @@ -51,6 +51,7 @@
>  
>  [Guids]
>    gHisiEfiMemoryMapGuid
> +  gOemConfigGuid
>  
>  [Pcd]
>    gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiTableStorageFile    ## CONSUMES
> diff --git a/Silicon/Hisilicon/Drivers/HisiAcpiPlatformDxe/UpdateAcpiTable.c b/Silicon/Hisilicon/Drivers/HisiAcpiPlatformDxe/UpdateAcpiTable.c
> index 54f49977c3..32878ca4f9 100644
> --- a/Silicon/Hisilicon/Drivers/HisiAcpiPlatformDxe/UpdateAcpiTable.c
> +++ b/Silicon/Hisilicon/Drivers/HisiAcpiPlatformDxe/UpdateAcpiTable.c
> @@ -16,8 +16,10 @@
>  #include <Library/DebugLib.h>
>  #include <Library/HobLib.h>
>  #include <Library/HwMemInitLib.h>
> +#include <Library/OemConfigData.h>
>  #include <Library/OemMiscLib.h>
>  #include <Library/UefiBootServicesTableLib.h>
> +#include <Library/UefiRuntimeServicesTableLib.h>
>  #include <Library/UefiLib.h>
>  
>  #define CORECOUNT(X) ((X) * CORE_NUM_PER_SOCKET)
> @@ -114,6 +116,25 @@ UpdateSlit (
>    return  EFI_SUCCESS;
>  }
>  
> +STATIC
> +EFI_STATUS
> +IsNeedSpcr (
> +  IN OUT EFI_ACPI_DESCRIPTION_HEADER  *Table
> +  )
> +{
> +  EFI_STATUS                     Status;
> +  OEM_CONFIG_DATA                SetupData;
> +  UINTN                          DataSize = sizeof (OEM_CONFIG_DATA);
> +
> +  Status = gRT->GetVariable (OEM_CONFIG_NAME, &gOemConfigGuid, NULL, &DataSize, &SetupData);
> +  if (!EFI_ERROR (Status) && (SetupData.EnableSpcr == FALSE)) {
> +    return EFI_ABORTED;
> +  }
> +
> +  return EFI_SUCCESS;
> +}
> +
> +
>  EFI_STATUS
>  UpdateAcpiTable (
>    IN OUT EFI_ACPI_DESCRIPTION_HEADER      *TableHeader
> @@ -130,6 +151,9 @@ UpdateAcpiTable (
>    case EFI_ACPI_6_0_SYSTEM_LOCALITY_INFORMATION_TABLE_SIGNATURE:
>      Status = UpdateSlit (TableHeader);
>      break;
> +  case EFI_ACPI_6_2_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_SIGNATURE:
> +    Status = IsNeedSpcr (TableHeader);
> +    break;
>    }
>    return Status;
>  }
>