]>
Commit | Line | Data |
---|---|---|
3dbba770 | 1 | /** @file\r |
7ba905c9 | 2 | \r |
3 | Copyright (c) 2006 - 2007, Intel Corporation\r | |
4 | All rights reserved. This program and the accompanying materials\r | |
5 | are licensed and made available under the terms and conditions of the BSD License\r | |
6 | which accompanies this distribution. The full text of the license may be found at\r | |
7 | http://opensource.org/licenses/bsd-license.php\r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
11 | \r | |
3dbba770 | 12 | **/\r |
7ba905c9 | 13 | \r |
14 | #ifndef _PEI_VARIABLE_H\r | |
15 | #define _PEI_VARIABLE_H\r | |
16 | \r | |
17 | #include <PiPei.h>\r | |
18 | #include <Ppi/ReadOnlyVariable.h>\r | |
19 | #include <Ppi/ReadOnlyVariable2.h>\r | |
20 | #include <Library/DebugLib.h>\r | |
21 | #include <Library/PeimEntryPoint.h>\r | |
22 | #include <Library/HobLib.h>\r | |
23 | #include <Library/PcdLib.h>\r | |
24 | #include <Library/BaseMemoryLib.h>\r | |
25 | #include <Library/PeiServicesTablePointerLib.h>\r | |
26 | #include <VariableFormat.h>\r | |
27 | \r | |
28 | //\r | |
29 | // Define GET_PAD_SIZE to optimize compiler\r | |
30 | //\r | |
31 | #if ((ALIGNMENT == 0) || (ALIGNMENT == 1))\r | |
32 | #define GET_PAD_SIZE(a) (0)\r | |
33 | #else\r | |
34 | #define GET_PAD_SIZE(a) (((~a) + 1) & (ALIGNMENT - 1))\r | |
35 | #endif\r | |
36 | \r | |
9cad030b | 37 | #define HEADER_ALIGN(Header) (((UINTN) (Header) + HEADER_ALIGNMENT - 1) & (~(HEADER_ALIGNMENT - 1)))\r |
38 | \r | |
7ba905c9 | 39 | typedef struct {\r |
40 | VARIABLE_HEADER *CurrPtr;\r | |
41 | VARIABLE_HEADER *EndPtr;\r | |
42 | VARIABLE_HEADER *StartPtr;\r | |
43 | } VARIABLE_POINTER_TRACK;\r | |
44 | \r | |
45 | #define VARIABLE_INDEX_TABLE_VOLUME 122\r | |
46 | \r | |
47 | #define EFI_VARIABLE_INDEX_TABLE_GUID \\r | |
48 | { 0x8cfdb8c8, 0xd6b2, 0x40f3, { 0x8e, 0x97, 0x02, 0x30, 0x7c, 0xc9, 0x8b, 0x7c } }\r | |
49 | \r | |
50 | typedef struct {\r | |
51 | UINT16 Length;\r | |
52 | UINT16 GoneThrough;\r | |
53 | VARIABLE_HEADER *EndPtr;\r | |
54 | VARIABLE_HEADER *StartPtr;\r | |
55 | UINT16 Index[VARIABLE_INDEX_TABLE_VOLUME];\r | |
56 | } VARIABLE_INDEX_TABLE;\r | |
57 | \r | |
58 | \r | |
59 | //\r | |
60 | // Functions\r | |
61 | //\r | |
62 | EFI_STATUS\r | |
63 | EFIAPI\r | |
64 | PeimInitializeVariableServices (\r | |
65 | IN EFI_FFS_FILE_HEADER *FfsHeader,\r | |
66 | IN EFI_PEI_SERVICES **PeiServices\r | |
ed66e1bc | 67 | );\r |
7ba905c9 | 68 | \r |
69 | EFI_STATUS\r | |
70 | EFIAPI\r | |
71 | PeiGetVariable (\r | |
72 | IN EFI_PEI_SERVICES **PeiServices,\r | |
73 | IN CHAR16 *VariableName,\r | |
74 | IN EFI_GUID * VendorGuid,\r | |
75 | OUT UINT32 *Attributes OPTIONAL,\r | |
76 | IN OUT UINTN *DataSize,\r | |
77 | OUT VOID *Data\r | |
ed66e1bc | 78 | );\r |
7ba905c9 | 79 | \r |
80 | EFI_STATUS\r | |
81 | EFIAPI\r | |
82 | PeiGetVariable2 (\r | |
83 | IN CONST EFI_PEI_READ_ONLY_VARIABLE2_PPI *This,\r | |
84 | IN CONST CHAR16 *VariableName,\r | |
85 | IN CONST EFI_GUID *VariableGuid,\r | |
86 | OUT UINT32 *Attributes,\r | |
87 | IN OUT UINTN *DataSize,\r | |
88 | OUT VOID *Data\r | |
ed66e1bc | 89 | ); \r |
7ba905c9 | 90 | \r |
91 | EFI_STATUS\r | |
92 | EFIAPI\r | |
93 | PeiGetNextVariableName2 (\r | |
94 | IN CONST EFI_PEI_READ_ONLY_VARIABLE2_PPI *This,\r | |
95 | IN OUT UINTN *VariableNameSize,\r | |
96 | IN OUT CHAR16 *VariableName,\r | |
97 | IN OUT EFI_GUID *VariableGuid\r | |
ed66e1bc | 98 | );\r |
7ba905c9 | 99 | \r |
100 | EFI_STATUS\r | |
101 | EFIAPI\r | |
102 | PeiGetNextVariableName (\r | |
103 | IN EFI_PEI_SERVICES **PeiServices,\r | |
104 | IN OUT UINTN *VariableNameSize,\r | |
105 | IN OUT CHAR16 *VariableName,\r | |
106 | IN OUT EFI_GUID *VendorGuid\r | |
ed66e1bc | 107 | );\r |
7ba905c9 | 108 | \r |
109 | /**\r | |
110 | Get one variable by the index count.\r | |
111 | \r | |
112 | @param IndexTable The pointer to variable index table.\r | |
113 | @param Count The index count of variable in index table.\r | |
114 | \r | |
115 | @return The pointer to variable header indexed by count.\r | |
116 | \r | |
117 | **/\r | |
118 | VARIABLE_HEADER *\r | |
119 | GetVariableByIndex (\r | |
120 | IN VARIABLE_INDEX_TABLE *IndexTable,\r | |
121 | IN UINT32 Count\r | |
122 | );\r | |
123 | \r | |
124 | /**\r | |
125 | Record Variable in VariableIndex HOB.\r | |
126 | \r | |
127 | Record Variable in VariableIndex HOB and update the length of variable index table.\r | |
128 | \r | |
129 | @param IndexTable The pointer to variable index table.\r | |
130 | @param Variable The pointer to the variable that will be recorded.\r | |
131 | \r | |
132 | @retval VOID\r | |
133 | \r | |
134 | **/\r | |
135 | VOID\r | |
136 | VariableIndexTableUpdate (\r | |
137 | IN OUT VARIABLE_INDEX_TABLE *IndexTable,\r | |
138 | IN VARIABLE_HEADER *Variable\r | |
139 | );\r | |
140 | \r | |
141 | #endif // _PEI_VARIABLE_H\r |