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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> | |
05e107f8 | 22 | #include <Library/HobLib.h> |
65e79f93 | 23 | #include <Library/PeimEntryPoint.h> |
46ba0f63 | 24 | #include <Library/UefiCpuLib.h> |
65e79f93 | 25 | |
8018cb15 JF |
26 | // |
27 | // AP reset code information | |
28 | // | |
29 | typedef struct { | |
30 | UINT8 *RendezvousFunnelAddress; | |
31 | UINTN PModeEntryOffset; | |
32 | UINTN LModeEntryOffset; | |
33 | UINTN RendezvousFunnelSize; | |
34 | } MP_ASSEMBLY_ADDRESS_MAP; | |
35 | ||
f9d30595 | 36 | #pragma pack(1) |
a56f6f45 | 37 | |
f9d30595 JF |
38 | typedef union { |
39 | struct { | |
40 | UINT32 LimitLow : 16; | |
41 | UINT32 BaseLow : 16; | |
42 | UINT32 BaseMid : 8; | |
43 | UINT32 Type : 4; | |
44 | UINT32 System : 1; | |
45 | UINT32 Dpl : 2; | |
46 | UINT32 Present : 1; | |
47 | UINT32 LimitHigh : 4; | |
48 | UINT32 Software : 1; | |
49 | UINT32 Reserved : 1; | |
50 | UINT32 DefaultSize : 1; | |
51 | UINT32 Granularity : 1; | |
52 | UINT32 BaseHigh : 8; | |
53 | } Bits; | |
54 | UINT64 Uint64; | |
55 | } IA32_GDT; | |
a56f6f45 JF |
56 | |
57 | // | |
58 | // MP CPU exchange information for AP reset code | |
59 | // | |
60 | typedef struct { | |
61 | UINTN Lock; | |
62 | UINTN StackStart; | |
63 | UINTN StackSize; | |
64 | UINTN CFunction; | |
65 | IA32_DESCRIPTOR GdtrProfile; | |
66 | IA32_DESCRIPTOR IdtrProfile; | |
67 | UINTN BufferStart; | |
68 | UINTN PmodeOffset; | |
69 | UINTN NumApsExecuting; | |
70 | UINTN LmodeOffset; | |
71 | UINTN Cr3; | |
72 | } MP_CPU_EXCHANGE_INFO; | |
73 | ||
f9d30595 | 74 | #pragma pack() |
8018cb15 JF |
75 | |
76 | /** | |
77 | Assembly code to get starting address and size of the rendezvous entry for APs. | |
78 | Information for fixing a jump instruction in the code is also returned. | |
79 | ||
80 | @param AddressMap Output buffer for address map information. | |
81 | **/ | |
82 | VOID | |
83 | EFIAPI | |
84 | AsmGetAddressMap ( | |
85 | OUT MP_ASSEMBLY_ADDRESS_MAP *AddressMap | |
86 | ); | |
87 | ||
f9d30595 JF |
88 | /** |
89 | Assembly code to load GDT table and update segment accordingly. | |
90 | ||
91 | @param Gdtr Pointer to GDT descriptor | |
92 | **/ | |
93 | VOID | |
94 | EFIAPI | |
95 | AsmInitializeGdt ( | |
96 | IN IA32_DESCRIPTOR *Gdtr | |
97 | ); | |
65e79f93 JF |
98 | |
99 | ||
100 | #endif |