在 8/4/2018 11:20 PM, Leif Lindholm 写道: > 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?
Yes, the behaviour of OS is like description above. I guess some OS select serial for output and disable graphical output when SPCR is installed. Thanks. > > / > 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 >> _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
