UefiCpuPkg/CpuMpPei: Add GDT migration support (CVE-2019-11098)

[mirror_edk2.git] / UefiCpuPkg / CpuMpPei / CpuMpPei.h

diff --git a/UefiCpuPkg/CpuMpPei/CpuMpPei.h b/UefiCpuPkg/CpuMpPei/CpuMpPei.h
index 7d5c527d6006824a33b3aa2967c93c3a080d7ae4..309478cbe14c1dc36d4c4d2408b359b5cad54dcd 100644 (file)
--- a/UefiCpuPkg/CpuMpPei/CpuMpPei.h
+++ b/UefiCpuPkg/CpuMpPei/CpuMpPei.h
@@ -397,6 +397,18 @@ SecPlatformInformation2 (
      OUT EFI_SEC_PLATFORM_INFORMATION_RECORD2 *PlatformInformationRecord2\r
   );\r
 \r
+/**\r
+  Migrates the Global Descriptor Table (GDT) to permanent memory.\r
+\r
+  @retval   EFI_SUCCESS           The GDT was migrated successfully.\r
+  @retval   EFI_OUT_OF_RESOURCES  The GDT could not be migrated due to lack of available memory.\r
+\r
+**/\r
+EFI_STATUS\r
+MigrateGdt (\r
+  VOID\r
+  );\r
+\r
 /**\r
   Initializes MP and exceptions handlers.\r
 \r