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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 | #include <Ppi/SecPlatformInformation.h> | |
21 | ||
22 | #include <Library/BaseLib.h> | |
23 | #include <Library/BaseMemoryLib.h> | |
24 | #include <Library/DebugLib.h> | |
25 | #include <Library/HobLib.h> | |
26 | #include <Library/LocalApicLib.h> | |
27 | #include <Library/MtrrLib.h> | |
28 | #include <Library/PcdLib.h> | |
29 | #include <Library/PeimEntryPoint.h> | |
30 | #include <Library/PeiServicesLib.h> | |
31 | #include <Library/SynchronizationLib.h> | |
32 | #include <Library/TimerLib.h> | |
33 | #include <Library/UefiCpuLib.h> | |
34 | // | |
35 | // AP state | |
36 | // | |
37 | typedef enum { | |
38 | CpuStateIdle, | |
39 | CpuStateBusy, | |
40 | CpuStateDisabled | |
41 | } CPU_STATE; | |
42 | ||
43 | // | |
44 | // AP reset code information | |
45 | // | |
46 | typedef struct { | |
47 | UINT8 *RendezvousFunnelAddress; | |
48 | UINTN PModeEntryOffset; | |
49 | UINTN LModeEntryOffset; | |
50 | UINTN RendezvousFunnelSize; | |
51 | } MP_ASSEMBLY_ADDRESS_MAP; | |
52 | ||
53 | typedef struct _PEI_CPU_MP_DATA PEI_CPU_MP_DATA; | |
54 | ||
55 | #pragma pack() | |
56 | ||
57 | typedef union { | |
58 | struct { | |
59 | UINT32 LimitLow : 16; | |
60 | UINT32 BaseLow : 16; | |
61 | UINT32 BaseMid : 8; | |
62 | UINT32 Type : 4; | |
63 | UINT32 System : 1; | |
64 | UINT32 Dpl : 2; | |
65 | UINT32 Present : 1; | |
66 | UINT32 LimitHigh : 4; | |
67 | UINT32 Software : 1; | |
68 | UINT32 Reserved : 1; | |
69 | UINT32 DefaultSize : 1; | |
70 | UINT32 Granularity : 1; | |
71 | UINT32 BaseHigh : 8; | |
72 | } Bits; | |
73 | UINT64 Uint64; | |
74 | } IA32_GDT; | |
75 | ||
76 | // | |
77 | // MP CPU exchange information for AP reset code | |
78 | // | |
79 | typedef struct { | |
80 | UINTN Lock; | |
81 | UINTN StackStart; | |
82 | UINTN StackSize; | |
83 | UINTN CFunction; | |
84 | IA32_DESCRIPTOR GdtrProfile; | |
85 | IA32_DESCRIPTOR IdtrProfile; | |
86 | UINTN BufferStart; | |
87 | UINTN PmodeOffset; | |
88 | UINTN NumApsExecuting; | |
89 | UINTN LmodeOffset; | |
90 | UINTN Cr3; | |
91 | PEI_CPU_MP_DATA *PeiCpuMpData; | |
92 | } MP_CPU_EXCHANGE_INFO; | |
93 | ||
94 | #pragma pack() | |
95 | ||
96 | typedef struct { | |
97 | UINT32 ApicId; | |
98 | EFI_HEALTH_FLAGS Health; | |
99 | CPU_STATE State; | |
100 | BOOLEAN CpuHealthy; | |
101 | } PEI_CPU_DATA; | |
102 | ||
103 | // | |
104 | // PEI CPU MP Data save in memory | |
105 | // | |
106 | struct _PEI_CPU_MP_DATA { | |
107 | UINT32 CpuCount; | |
108 | UINT32 BspNumber; | |
109 | UINTN Buffer; | |
110 | UINTN CpuApStackSize; | |
111 | MP_ASSEMBLY_ADDRESS_MAP AddressMap; | |
112 | UINTN WakeupBuffer; | |
113 | UINTN BackupBuffer; | |
114 | UINTN BackupBufferSize; | |
115 | UINTN ApFunction; | |
116 | UINTN ApFunctionArgument; | |
117 | volatile UINT32 FinishedCount; | |
118 | BOOLEAN InitFlag; | |
119 | MTRR_SETTINGS MtrrTable; | |
120 | PEI_CPU_DATA *CpuData; | |
121 | volatile MP_CPU_EXCHANGE_INFO *MpCpuExchangeInfo; | |
122 | }; | |
123 | ||
124 | /** | |
125 | Assembly code to get starting address and size of the rendezvous entry for APs. | |
126 | Information for fixing a jump instruction in the code is also returned. | |
127 | ||
128 | @param AddressMap Output buffer for address map information. | |
129 | **/ | |
130 | VOID | |
131 | EFIAPI | |
132 | AsmGetAddressMap ( | |
133 | OUT MP_ASSEMBLY_ADDRESS_MAP *AddressMap | |
134 | ); | |
135 | ||
136 | /** | |
137 | Assembly code to load GDT table and update segment accordingly. | |
138 | ||
139 | @param Gdtr Pointer to GDT descriptor | |
140 | **/ | |
141 | VOID | |
142 | EFIAPI | |
143 | AsmInitializeGdt ( | |
144 | IN IA32_DESCRIPTOR *Gdtr | |
145 | ); | |
146 | ||
147 | ||
148 | #endif |