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65e79f93 JF |
1 | /** @file |
2 | Definitions to install Multiple Processor PPI. | |
3 | ||
4 | Copyright (c) 2015, Intel Corporation. All rights reserved.<BR> | |
5 | This program and the accompanying materials | |
6 | are licensed and made available under the terms and conditions of the BSD License | |
7 | which accompanies this distribution. The full text of the license may be found at | |
8 | http://opensource.org/licenses/bsd-license.php | |
9 | ||
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
12 | ||
13 | **/ | |
14 | ||
15 | #ifndef _CPU_MP_PEI_H_ | |
16 | #define _CPU_MP_PEI_H_ | |
17 | ||
18 | #include <PiPei.h> | |
19 | ||
20 | ||
21 | #include <Library/BaseLib.h> | |
22 | #include <Library/PeimEntryPoint.h> | |
23 | ||
f9d30595 JF |
24 | #pragma pack(1) |
25 | typedef union { | |
26 | struct { | |
27 | UINT32 LimitLow : 16; | |
28 | UINT32 BaseLow : 16; | |
29 | UINT32 BaseMid : 8; | |
30 | UINT32 Type : 4; | |
31 | UINT32 System : 1; | |
32 | UINT32 Dpl : 2; | |
33 | UINT32 Present : 1; | |
34 | UINT32 LimitHigh : 4; | |
35 | UINT32 Software : 1; | |
36 | UINT32 Reserved : 1; | |
37 | UINT32 DefaultSize : 1; | |
38 | UINT32 Granularity : 1; | |
39 | UINT32 BaseHigh : 8; | |
40 | } Bits; | |
41 | UINT64 Uint64; | |
42 | } IA32_GDT; | |
43 | #pragma pack() | |
44 | /** | |
45 | Assembly code to load GDT table and update segment accordingly. | |
46 | ||
47 | @param Gdtr Pointer to GDT descriptor | |
48 | **/ | |
49 | VOID | |
50 | EFIAPI | |
51 | AsmInitializeGdt ( | |
52 | IN IA32_DESCRIPTOR *Gdtr | |
53 | ); | |
65e79f93 JF |
54 | |
55 | ||
56 | #endif |