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Move generic IA32_SEGMENT_DESCRIPTOR definition to BaseLib.h. 

Signed-off-by: li-elvin
Reviewed-by: mdkinney


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12265 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
li-elvin 2011-09-02 11:37:50 +00:00
parent ab7017fe2b
commit 6088db3802
2 changed files with 23 additions and 24 deletions
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22
MdePkg/Include/Library/BaseLib.h
View File

@ -4932,6 +4932,28 @@ typedef union {
UINTN UintN;
} IA32_CR4;
///
/// Byte packed structure for a segment descriptor in a GDT/LDT.
///
typedef union {
struct {
UINT32 LimitLow:16;
UINT32 BaseLow:16;
UINT32 BaseMid:8;
UINT32 Type:4;
UINT32 S:1;
UINT32 DPL:2;
UINT32 P:1;
UINT32 LimitHigh:4;
UINT32 AVL:1;
UINT32 L:1;
UINT32 DB:1;
UINT32 G:1;
UINT32 BaseHigh:8;
} Bits;
UINT64 Uint64;
} IA32_SEGMENT_DESCRIPTOR;
///
/// Byte packed structure for an IDTR, GDTR, LDTR descriptor.
///

25
MdePkg/Library/BaseLib/X86Thunk.c
View File

@ -1,7 +1,7 @@
/** @file
Real Mode Thunk Functions for IA32 and x64.
Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@ -15,29 +15,6 @@
#include "BaseLibInternals.h"
//
// Byte packed structure for a segment descriptor in a GDT/LDT
//
typedef union {
struct {
UINT32 LimitLow:16;
UINT32 BaseLow:16;
UINT32 BaseMid:8;
UINT32 Type:4;
UINT32 S:1;
UINT32 DPL:2;
UINT32 P:1;
UINT32 LimitHigh:4;
UINT32 AVL:1;
UINT32 L:1;
UINT32 DB:1;
UINT32 G:1;
UINT32 BaseHigh:8;
} Bits;
UINT64 Uint64;
} IA32_SEGMENT_DESCRIPTOR;
extern CONST UINT8 m16Start;
extern CONST UINT16 m16Size;
extern CONST UINT16 mThunk16Attr;