Fix the bug in x64 thunk code that it cannot handle the case when GDT is loaded in...

[mirror_edk2.git] / MdePkg / Library / BaseLib / Ia32 / WriteCr2.c

diff --git a/MdePkg/Library/BaseLib/Ia32/WriteCr2.c b/MdePkg/Library/BaseLib/Ia32/WriteCr2.c
index 8c5d617d539dc15492c009669a312c635fc227be..67f45649f56b450adeb7719f8e0d045bbf79dcb7 100644 (file)
--- a/MdePkg/Library/BaseLib/Ia32/WriteCr2.c
+++ b/MdePkg/Library/BaseLib/Ia32/WriteCr2.c
@@ -1,7 +1,7 @@
 /** @file\r
   AsmWriteCr2 function\r
 \r
-  Copyright (c) 2006 - 2007, Intel Corporation<BR>\r
+  Copyright (c) 2006 - 2008, Intel Corporation<BR>\r
   All rights reserved. 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
@@ -12,11 +12,17 @@
 \r
 **/\r
 \r
-//\r
-// Include common header file for this module.\r
-//\r
+/**\r
+  Writes a value to Control Register 2 (CR2).\r
 \r
+  Writes and returns a new value to CR2. This function is only available on\r
+  IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64.\r
 \r
+  @param  Value The value to write to CR2.\r
+\r
+  @return The value written to CR2.\r
+\r
+**/\r
 UINTN\r
 EFIAPI\r
 AsmWriteCr2 (\r