On Tue, Jul 24, 2018 at 03:09:19PM +0800, Ming Huang wrote:
> If install SPCR table, KVM will not output while install or boot
> some OS, like ubuntu,
Will not output?
Do you mean it disables the graphical output of the OS?
/
Leif
> so add SPCR switch setup item and set it
> disable by default.
>
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Ming Huang <[email protected]>
> Signed-off-by: Heyi Guo <[email protected]>
> ---
> 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 e268a56bbd..c32fe42d60 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;
> }
> --
> 2.17.0
>
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