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 / ReadDs.c

diff --git a/MdePkg/Library/BaseLib/Ia32/ReadDs.c b/MdePkg/Library/BaseLib/Ia32/ReadDs.c
index c757928372061838fac1198e9277addf64f2db64..a059d04d1a477453cc2f4bda5c6577fc44979584 100644 (file)
--- a/MdePkg/Library/BaseLib/Ia32/ReadDs.c
+++ b/MdePkg/Library/BaseLib/Ia32/ReadDs.c
@@ -1,7 +1,7 @@
 /** @file\r
   AsmReadDs function\r
 \r
-  Copyright (c) 2006, 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
@@ -12,8 +12,18 @@
 \r
 **/\r
 \r
-#if _MSC_EXTENSIONS\r
 \r
+\r
+\r
+/**\r
+  Reads the current value of Data Segment Register (DS).\r
+\r
+  Reads and returns the current value of DS. This function is only available on\r
+  IA-32 and x64.\r
+\r
+  @return The current value of DS.\r
+\r
+**/\r
 UINT16\r
 EFIAPI\r
 AsmReadDs (\r
@@ -26,4 +36,3 @@ AsmReadDs (
   }\r
 }\r
 \r
-#endif\r