3 files changed, 16 insertions, 0 deletions
diff --git a/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/BootScriptExecutorDxe.inf b/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/BootScriptExecutorDxe.inf
index 29af7f55ec..aac132122c 100644
--- a/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/BootScriptExecutorDxe.inf
+++ b/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/BootScriptExecutorDxe.inf
@@ -68,6 +68,7 @@
   LockBoxLib
   CpuExceptionHandlerLib
   DevicePathLib
+  DxeServicesTableLib
 
 [Guids]
   gEfiBootScriptExecutorVariableGuid    ## PRODUCES ## UNDEFINED # SaveLockBox
diff --git a/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/ScriptExecute.c b/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/ScriptExecute.c
index 4545d6e581..263a282188 100644
--- a/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/ScriptExecute.c
+++ b/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/ScriptExecute.c
@@ -273,6 +273,7 @@ ReadyToLockEventNotify (
   UINTN                                         Pages;
   EFI_PHYSICAL_ADDRESS                          FfsBuffer;
   PE_COFF_LOADER_IMAGE_CONTEXT                  ImageContext;
+  EFI_GCD_MEMORY_SPACE_DESCRIPTOR               MemDesc;
 
   Status = gBS->LocateProtocol (&gEfiDxeSmmReadyToLockProtocolGuid, NULL, &Interface);
   if (EFI_ERROR (Status)) {
@@ -322,6 +323,19 @@ ReadyToLockEventNotify (
                   &FfsBuffer
                   );
   ASSERT_EFI_ERROR (Status);
+
+  //
+  // Make sure that the buffer can be used to store code.
+  //
+  Status = gDS->GetMemorySpaceDescriptor (FfsBuffer, &MemDesc);
+  if (!EFI_ERROR (Status) && (MemDesc.Attributes & EFI_MEMORY_XP) != 0) {
+    gDS->SetMemorySpaceAttributes (
+           FfsBuffer,
+           EFI_PAGES_TO_SIZE (Pages),
+           MemDesc.Attributes & (~EFI_MEMORY_XP)
+           );
+  }
+
   ImageContext.ImageAddress = (PHYSICAL_ADDRESS)(UINTN)FfsBuffer;
   //
   // Align buffer on section boundary
diff --git a/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/ScriptExecute.h b/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/ScriptExecute.h
index 75327569d7..94deae87e6 100644
--- a/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/ScriptExecute.h
+++ b/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/ScriptExecute.h
@@ -38,6 +38,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 #include <Library/LockBoxLib.h>
 #include <Library/CpuExceptionHandlerLib.h>
 #include <Library/DevicePathLib.h>
+#include <Library/DxeServicesTableLib.h>
 
 #include <Guid/AcpiS3Context.h>
 #include <Guid/BootScriptExecutorVariable.h>