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

[Ming Huang]

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.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 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;
 }
-- 
2.17.0

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