+\r
+ //\r
+ // Mark the variable storage region of the FLASH as RUNTIME.\r
+ //\r
+ VariableStoreBase = mVariableModuleGlobal->VariableGlobal.NonVolatileVariableBase;\r
+ VariableStoreLength = ((VARIABLE_STORE_HEADER *)(UINTN)VariableStoreBase)->Size;\r
+ BaseAddress = VariableStoreBase & (~EFI_PAGE_MASK);\r
+ Length = VariableStoreLength + (VariableStoreBase - BaseAddress);\r
+ Length = (Length + EFI_PAGE_SIZE - 1) & (~EFI_PAGE_MASK);\r
+\r
+ Status = gDS->GetMemorySpaceDescriptor (BaseAddress, &GcdDescriptor);\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG ((DEBUG_WARN, "Variable driver failed to add EFI_MEMORY_RUNTIME attribute to Flash.\n"));\r
+ } else {\r
+ Status = gDS->SetMemorySpaceAttributes (\r
+ BaseAddress,\r
+ Length,\r
+ GcdDescriptor.Attributes | EFI_MEMORY_RUNTIME\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG ((DEBUG_WARN, "Variable driver failed to add EFI_MEMORY_RUNTIME attribute to Flash.\n"));\r
+ }\r
+ }\r