From 243dfd85199004b355b5feddd3d6e164f2551e6a Mon Sep 17 00:00:00 2001
From: Liming Gao <liming.gao@intel.com>
Date: Fri, 6 Feb 2015 06:34:56 +0000
Subject: [PATCH] MdePkg: Update BaseDebugLibSerialPort library

Implement new API DebugPrintLevelEnabled() to base on PCD PcdFixedDebugPrintErrorLevel.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16790 6f19259b-4bc3-4df7-8a09-765794883524
---
 .../BaseDebugLibSerialPort.inf                |  3 ++-
 .../Library/BaseDebugLibSerialPort/DebugLib.c | 19 +++++++++++++++++++
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/MdePkg/Library/BaseDebugLibSerialPort/BaseDebugLibSerialPort.inf b/MdePkg/Library/BaseDebugLibSerialPort/BaseDebugLibSerialPort.inf
index 2b59fb27b8..823511b22f 100644
--- a/MdePkg/Library/BaseDebugLibSerialPort/BaseDebugLibSerialPort.inf
+++ b/MdePkg/Library/BaseDebugLibSerialPort/BaseDebugLibSerialPort.inf
@@ -2,7 +2,7 @@
 #  Instance of Debug Library based on Serial Port Library.
 #  It uses Print Library to produce formatted output strings to seiral port device.
 #
-#  Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
+#  Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>
 #
 #  This program and the accompanying materials
 #  are licensed and made available under the terms and conditions of the BSD License
@@ -45,4 +45,5 @@
 [Pcd]
   gEfiMdePkgTokenSpaceGuid.PcdDebugClearMemoryValue  ## SOMETIMES_CONSUMES
   gEfiMdePkgTokenSpaceGuid.PcdDebugPropertyMask      ## CONSUMES
+  gEfiMdePkgTokenSpaceGuid.PcdFixedDebugPrintErrorLevel ## CONSUMES
 
diff --git a/MdePkg/Library/BaseDebugLibSerialPort/DebugLib.c b/MdePkg/Library/BaseDebugLibSerialPort/DebugLib.c
index e1674fc25d..6fa235c2af 100644
--- a/MdePkg/Library/BaseDebugLibSerialPort/DebugLib.c
+++ b/MdePkg/Library/BaseDebugLibSerialPort/DebugLib.c
@@ -263,3 +263,22 @@ DebugClearMemoryEnabled (
 {
   return (BOOLEAN) ((PcdGet8(PcdDebugPropertyMask) & DEBUG_PROPERTY_CLEAR_MEMORY_ENABLED) != 0);
 }
+
+/**
+  Returns TRUE if any one of the bit is set both in ErrorLevel and PcdFixedDebugPrintErrorLevel.
+
+  This function compares the bit mask of ErrorLevel and PcdFixedDebugPrintErrorLevel.
+
+  @retval  TRUE    Current ErrorLevel is supported.
+  @retval  FALSE   Current ErrorLevel is not supported.
+
+**/
+BOOLEAN
+EFIAPI
+DebugPrintLevelEnabled (
+  IN  CONST UINTN        ErrorLevel
+  )
+{
+  return (BOOLEAN) ((ErrorLevel & PcdGet32(PcdFixedDebugPrintErrorLevel)) != 0);
+}
+