SecurityPkg: Update PlatformSecureLibNull with PCD to get physical presence.

[mirror_edk2.git] / SecurityPkg / Library / PlatformSecureLibNull / PlatformSecureLibNull.c

diff --git a/SecurityPkg/Library/PlatformSecureLibNull/PlatformSecureLibNull.c b/SecurityPkg/Library/PlatformSecureLibNull/PlatformSecureLibNull.c
index 1450ac44abe77dd0d9bdfbb24cc320cd05957450..8dc07ec74a10967a7cc7e65ca56a5989a95b591b 100644 (file)
--- a/SecurityPkg/Library/PlatformSecureLibNull/PlatformSecureLibNull.c
+++ b/SecurityPkg/Library/PlatformSecureLibNull/PlatformSecureLibNull.c
@@ -4,7 +4,7 @@
   related features during platform enabling and development. It should be replaced\r
   by a platform-specific method(e.g. Button pressed) in a real platform for product.\r
 \r
-Copyright (c) 2011 - 2012, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2011 - 2016, Intel Corporation. All rights reserved.<BR>\r
 This program and the accompanying materials \r
 are licensed and made available under the terms and conditions of the BSD License \r
 which accompanies this distribution.  The full text of the license may be found at \r
@@ -15,6 +15,8 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 \r
 **/\r
 \r
+BOOLEAN       mUserPhysicalPresence      = FALSE;\r
+\r
 /**\r
 \r
   This function provides a platform-specific method to detect whether the platform\r
@@ -38,5 +40,28 @@ UserPhysicalPresent (
   VOID\r
   )\r
 {\r
-  return TRUE;\r
+  return mUserPhysicalPresence;  \r
+}\r
+\r
+\r
+/**\r
+  Save user physical presence state from a PCD to mUserPhysicalPresence.\r
+\r
+  @param  ImageHandle   ImageHandle of the loaded driver.\r
+  @param  SystemTable   Pointer to the EFI System Table.\r
+\r
+  @retval  EFI_SUCCESS          PcdUserPhysicalPresence is got successfully.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+PlatformSecureLibNullConstructor (\r
+  IN EFI_HANDLE        ImageHandle,\r
+  IN EFI_SYSTEM_TABLE  *SystemTable\r
+  )\r
+{\r
+\r
+  mUserPhysicalPresence = PcdGetBool(PcdUserPhysicalPresence);\r
+\r
+  return EFI_SUCCESS;\r
 }\r