From 6f4aad3b3401f605001a458b95ccb1f322b95036 Mon Sep 17 00:00:00 2001
From: vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Wed, 10 Dec 2008 09:29:06 +0000
Subject: fixed one bug when declaring IA32_IDT_GATE_DESCRIPTOR.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6978 6f19259b-4bc3-4df7-8a09-765794883524
---
 MdePkg/Include/Library/BaseLib.h | 40 ++++++++++++++++++++++------------------
 1 file changed, 22 insertions(+), 18 deletions(-)

(limited to 'MdePkg/Include')

diff --git a/MdePkg/Include/Library/BaseLib.h b/MdePkg/Include/Library/BaseLib.h
index dadf367602..d4db217f9d 100644
--- a/MdePkg/Include/Library/BaseLib.h
+++ b/MdePkg/Include/Library/BaseLib.h
@@ -5090,18 +5090,18 @@ typedef struct {
 #define IA32_IDT_GATE_TYPE_INTERRUPT_32  0x8E
 #define IA32_IDT_GATE_TYPE_TRAP_32       0x8F
 
+
+#if defined (MDE_CPU_IA32)
 ///
-/// Byte packed structure for an Interrupt Gate Descriptor
+/// Byte packed structure for an IA32 Interrupt Gate Descriptor
 ///
-#if defined (MDE_CPU_IA32)
-
 typedef union {
   struct {
-    UINT32  OffsetLow:16;   // Offset bits 15..0
-    UINT32  Selector:16;    // Selector
-    UINT32  Reserved_0:8;   // Reserved
-    UINT32  GateType:8;     // Gate Type.  See #defines above
-    UINT32  OffsetHigh:16;  // Offset bits 31..16
+    UINT32  OffsetLow:16;   ///< Offset bits 15..0
+    UINT32  Selector:16;    ///< Selector
+    UINT32  Reserved_0:8;   ///< Reserved
+    UINT32  GateType:8;     ///< Gate Type.  See #defines above
+    UINT32  OffsetHigh:16;  ///< Offset bits 31..16
   } Bits;
   UINT64  Uint64;
 } IA32_IDT_GATE_DESCRIPTOR;
@@ -5109,19 +5109,23 @@ typedef union {
 #endif
 
 #if defined (MDE_CPU_X64)
-
+///
+/// Byte packed structure for an x64 Interrupt Gate Descriptor
+///
 typedef union {
   struct {
-    UINT32  OffsetLow:16;   // Offset bits 15..0
-    UINT32  Selector:16;    // Selector
-    UINT32  Reserved_0:8;   // Reserved
-    UINT32  GateType:8;     // Gate Type.  See #defines above
-    UINT32  OffsetHigh:16;  // Offset bits 31..16
-    UINT32  OffsetUpper:32; // Offset bits 63..32
-    UINT32  Reserved_1:32;  // Reserved
+    UINT32  OffsetLow:16;   ///< Offset bits 15..0
+    UINT32  Selector:16;    ///< Selector
+    UINT32  Reserved_0:8;   ///< Reserved
+    UINT32  GateType:8;     ///< Gate Type.  See #defines above
+    UINT32  OffsetHigh:16;  ///< Offset bits 31..16
+    UINT32  OffsetUpper:32; ///< Offset bits 63..32
+    UINT32  Reserved_1:32;  ///< Reserved
   } Bits;
-  UINT64  Uint64;
-  UINT64  Uint64_1;
+  struct {
+    UINT64  Uint64;
+    UINT64  Uint64_1;
+  } Uint128;   
 } IA32_IDT_GATE_DESCRIPTOR;
 
 #endif
-- 
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