Update the modifier of ThunkContext parameter for AsmPrepareThunk16() in BaseLib...

[mirror_edk2.git] / MdePkg / Include / Library / BaseLib.h

diff --git a/MdePkg/Include/Library/BaseLib.h b/MdePkg/Include/Library/BaseLib.h
index c74ea23a744697b4aab881a85ca0415895713048..33d55c5de788a3073f90167054fbeccd4abc2ce7 100644 (file)
--- a/MdePkg/Include/Library/BaseLib.h
+++ b/MdePkg/Include/Library/BaseLib.h
@@ -2,7 +2,7 @@
   Provides string functions, linked list functions, math functions, synchronization\r
   functions, and CPU architecture-specific functions.\r
 \r
-Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>\r
 Portions copyright (c) 2008 - 2009, Apple Inc. 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
@@ -636,6 +636,9 @@ StrHexToUint64 (
   to the ASCII string Destination by copying the lower 8 bits of\r
   each Unicode character. It returns Destination.\r
 \r
+  The caller is responsible to make sure Destination points to a buffer with size\r
+  equal or greater than ((StrLen (Source) + 1) * sizeof (CHAR8)) in bytes.\r
+\r
   If any Unicode characters in Source contain non-zero value in\r
   the upper 8 bits, then ASSERT().\r
 \r
@@ -4929,6 +4932,28 @@ typedef union {
   UINTN     UintN;\r
 } IA32_CR4;\r
 \r
+///\r
+/// Byte packed structure for a segment descriptor in a GDT/LDT.\r
+///\r
+typedef union {\r
+  struct {\r
+    UINT32  LimitLow:16;\r
+    UINT32  BaseLow:16;\r
+    UINT32  BaseMid:8;\r
+    UINT32  Type:4;\r
+    UINT32  S:1;\r
+    UINT32  DPL:2;\r
+    UINT32  P:1;\r
+    UINT32  LimitHigh:4;\r
+    UINT32  AVL:1;\r
+    UINT32  L:1;\r
+    UINT32  DB:1;\r
+    UINT32  G:1;\r
+    UINT32  BaseHigh:8;\r
+  } Bits;\r
+  UINT64  Uint64;\r
+} IA32_SEGMENT_DESCRIPTOR;\r
+\r
 ///\r
 /// Byte packed structure for an IDTR, GDTR, LDTR descriptor.\r
 ///\r
@@ -7097,7 +7122,7 @@ AsmGetThunk16Properties (
 VOID\r
 EFIAPI\r
 AsmPrepareThunk16 (\r
-  OUT     THUNK_CONTEXT             *ThunkContext\r
+  IN OUT  THUNK_CONTEXT             *ThunkContext\r
   );\r
 \r
 \r