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 <ming.hu...@linaro.org> > Signed-off-by: Heyi Guo <heyi....@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 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 > _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel