3 files changed, 134 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Library/PeiDebugPrintHobLib/PeiDebugPrintHobLib.c b/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Library/PeiDebugPrintHobLib/PeiDebugPrintHobLib.c
new file mode 100644
index 00000000..847b1674
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Library/PeiDebugPrintHobLib/PeiDebugPrintHobLib.c
@@ -0,0 +1,72 @@
+/** @file
+  NULL Library class that reads Debug Mask variable and if it exists makes a
+  HOB that contains the debug mask.
+
+  Copyright (c) 2011, Apple, Inc. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <PiPei.h>
+
+#include <Library/HobLib.h>
+#include <Library/DebugLib.h>
+#include <Library/PeiServicesLib.h>
+
+#include <Ppi/ReadOnlyVariable2.h>
+#include <Guid/DebugMask.h>
+
+
+/**
+  The constructor reads variable and sets HOB
+
+  @param  FileHandle   The handle of FFS header the loaded driver.
+  @param  PeiServices  The pointer to the PEI services.
+
+  @retval EFI_SUCCESS  The constructor always returns EFI_SUCCESS.
+
+**/
+EFI_STATUS
+EFIAPI
+PeiDebugPrintHobLibConstructor (
+  IN EFI_PEI_FILE_HANDLE        FileHandle,
+  IN CONST EFI_PEI_SERVICES     **PeiServices
+  )
+{
+  EFI_STATUS                      Status;
+  EFI_PEI_READ_ONLY_VARIABLE2_PPI *Variable;
+  UINTN                           Size;
+  UINT64                          GlobalErrorLevel;
+  UINT32                          HobErrorLevel;
+
+  Status = PeiServicesLocatePpi (
+             &gEfiPeiReadOnlyVariable2PpiGuid,
+             0,
+             NULL,
+             (VOID **)&Variable
+             );
+  if (!EFI_ERROR (Status)) {
+    Size = sizeof (GlobalErrorLevel);
+    Status = Variable->GetVariable (
+                         Variable,
+                         DEBUG_MASK_VARIABLE_NAME,
+                         &gEfiGenericVariableGuid,
+                         NULL,
+                         &Size,
+                         &GlobalErrorLevel
+                         );
+    if (!EFI_ERROR (Status)) {
+      //
+      // Build the GUID'ed HOB for DXE
+      //
+      HobErrorLevel = (UINT32)GlobalErrorLevel;
+      BuildGuidDataHob (
+        &gEfiGenericVariableGuid,
+        &HobErrorLevel,
+        sizeof (HobErrorLevel)
+        );
+    }
+  }
+
+  return EFI_SUCCESS;
+}
diff --git a/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Library/PeiDebugPrintHobLib/PeiDebugPrintHobLib.inf b/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Library/PeiDebugPrintHobLib/PeiDebugPrintHobLib.inf
new file mode 100644
index 00000000..63c9411b
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Library/PeiDebugPrintHobLib/PeiDebugPrintHobLib.inf
@@ -0,0 +1,45 @@
+## @file
+#  NULL Library class that reads Debug Mask variable and if it exists makes a
+#  HOB that contains the debug mask.
+#
+#  Copyright (c) 2011, Apple, Inc. All rights reserved.<BR>
+#  Copyright (c) 2012 - 2018, Intel Corporation. All rights reserved.<BR>
+#
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = PeiDebugPrintHobLib
+  MODULE_UNI_FILE                = PeiDebugPrintHobLib.uni
+  FILE_GUID                      = EB0BDD73-DABB-E74B-BF51-62DC1DA521E1
+  MODULE_TYPE                    = PEIM
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = NULL|PEIM
+  CONSTRUCTOR                    = PeiDebugPrintHobLibConstructor
+
+
+[Sources]
+  PeiDebugPrintHobLib.c
+
+
+[Packages]
+  MdePkg/MdePkg.dec
+  MdeModulePkg/MdeModulePkg.dec
+
+[LibraryClasses]
+  PeiServicesLib
+  DebugLib
+
+[Ppis]
+  gEfiPeiReadOnlyVariable2PpiGuid   ## CONSUMES
+
+[Guids]
+  ## SOMETIMES_CONSUMES   ## Variable:L"EFIDebug"
+  ## SOMETIMES_PRODUCES   ## HOB
+  gEfiGenericVariableGuid
+
+[Depex]
+  gEfiPeiReadOnlyVariable2PpiGuid
diff --git a/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Library/PeiDebugPrintHobLib/PeiDebugPrintHobLib.uni b/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Library/PeiDebugPrintHobLib/PeiDebugPrintHobLib.uni
new file mode 100644
index 00000000..bdc221b7
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Library/PeiDebugPrintHobLib/PeiDebugPrintHobLib.uni
@@ -0,0 +1,17 @@
+// /** @file
+// NULL Library class that reads Debug Mask variable and if it exists makes a
+//
+// HOB that contains the debug mask.
+//
+// Copyright (c) 2011, Apple, Inc. All rights reserved.<BR>
+// Copyright (c) 2012 - 2014, Intel Corporation. All rights reserved.<BR>
+//
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+// **/
+
+
+#string STR_MODULE_ABSTRACT             #language en-US "Reads Debug Mask variable and if it exists makes a HOB that contains the debug mask"
+
+#string STR_MODULE_DESCRIPTION          #language en-US "NULL Library class that reads Debug Mask variable and if it exists makes a HOB that contains the debug mask."
+