878ddf1f |
1 | /*++\r |
2 | \r |
3 | Copyright (c) 2006, 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 |
12 | Module Name:\r |
13 | \r |
14 | Variable.h\r |
15 | \r |
16 | Abstract:\r |
17 | \r |
18 | --*/\r |
19 | \r |
20 | #ifndef _VARIABLE_H\r |
21 | #define _VARIABLE_H\r |
22 | \r |
23 | //\r |
24 | // Statements that include other header files\r |
25 | //\r |
26 | \r |
27 | //\r |
28 | // BugBug: We need relcate the head file.\r |
29 | // \r |
30 | #include <Common/Variable.h>\r |
31 | \r |
32 | #if defined (MDE_CPU_IPF)\r |
33 | #define ALIGNMENT 8\r |
34 | #else\r |
35 | #define ALIGNMENT 1\r |
36 | #endif\r |
37 | \r |
38 | \r |
39 | #define VARIABLE_STORE_SIZE (64 * 1024)\r |
40 | #define SCRATCH_SIZE (4 * 1024)\r |
41 | \r |
42 | //\r |
43 | // Define GET_PAD_SIZE to optimize compiler\r |
44 | //\r |
45 | #if ((ALIGNMENT == 0) || (ALIGNMENT == 1))\r |
46 | #define GET_PAD_SIZE(a) (0)\r |
47 | #else\r |
48 | #define GET_PAD_SIZE(a) (((~a) + 1) & (ALIGNMENT - 1))\r |
49 | #endif\r |
50 | \r |
51 | #define GET_VARIABLE_NAME_PTR(a) (CHAR16 *) ((UINTN) (a) + sizeof (VARIABLE_HEADER))\r |
52 | \r |
53 | typedef enum {\r |
54 | Physical,\r |
55 | Virtual\r |
56 | } VARIABLE_POINTER_TYPE;\r |
57 | \r |
58 | typedef struct {\r |
59 | VARIABLE_HEADER *CurrPtr;\r |
60 | VARIABLE_HEADER *EndPtr;\r |
61 | VARIABLE_HEADER *StartPtr;\r |
62 | BOOLEAN Volatile;\r |
63 | } VARIABLE_POINTER_TRACK;\r |
64 | \r |
65 | typedef struct {\r |
66 | EFI_PHYSICAL_ADDRESS VolatileVariableBase;\r |
67 | EFI_PHYSICAL_ADDRESS NonVolatileVariableBase;\r |
68 | } VARIABLE_GLOBAL;\r |
69 | \r |
70 | typedef struct {\r |
71 | VARIABLE_GLOBAL VariableBase[2];\r |
72 | UINTN VolatileLastVariableOffset;\r |
73 | UINTN NonVolatileLastVariableOffset;\r |
74 | UINT32 FvbInstance;\r |
75 | } ESAL_VARIABLE_GLOBAL;\r |
76 | \r |
77 | //\r |
78 | // Functions\r |
79 | //\r |
80 | EFI_STATUS\r |
81 | EFIAPI\r |
82 | VariableCommonInitialize (\r |
83 | IN EFI_HANDLE ImageHandle,\r |
84 | IN EFI_SYSTEM_TABLE *SystemTable\r |
85 | )\r |
86 | ;\r |
87 | \r |
88 | EFI_STATUS\r |
89 | EFIAPI\r |
90 | VariableServiceInitialize (\r |
91 | IN EFI_HANDLE ImageHandle,\r |
92 | IN EFI_SYSTEM_TABLE *SystemTable\r |
93 | )\r |
94 | ;\r |
95 | \r |
96 | VOID\r |
97 | EFIAPI\r |
98 | VariableClassAddressChangeEvent (\r |
99 | IN EFI_EVENT Event,\r |
100 | IN VOID *Context\r |
101 | )\r |
102 | ;\r |
103 | \r |
104 | EFI_STATUS\r |
105 | EFIAPI\r |
106 | GetVariable (\r |
107 | IN CHAR16 *VariableName,\r |
108 | IN EFI_GUID * VendorGuid,\r |
109 | OUT UINT32 *Attributes OPTIONAL,\r |
110 | IN OUT UINTN *DataSize,\r |
111 | OUT VOID *Data,\r |
112 | IN VARIABLE_GLOBAL * Global,\r |
113 | IN UINT32 Instance\r |
114 | )\r |
115 | ;\r |
116 | \r |
117 | EFI_STATUS\r |
118 | EFIAPI\r |
119 | GetNextVariableName (\r |
120 | IN OUT UINTN *VariableNameSize,\r |
121 | IN OUT CHAR16 *VariableName,\r |
122 | IN OUT EFI_GUID *VendorGuid,\r |
123 | IN VARIABLE_GLOBAL *Global,\r |
124 | IN UINT32 Instance\r |
125 | )\r |
126 | ;\r |
127 | \r |
128 | EFI_STATUS\r |
129 | EFIAPI\r |
130 | SetVariable (\r |
131 | IN CHAR16 *VariableName,\r |
132 | IN EFI_GUID *VendorGuid,\r |
133 | IN UINT32 Attributes,\r |
134 | IN UINTN DataSize,\r |
135 | IN VOID *Data,\r |
136 | IN VARIABLE_GLOBAL *Global,\r |
137 | IN UINTN *VolatileOffset,\r |
138 | IN UINTN *NonVolatileOffset,\r |
139 | IN UINT32 Instance\r |
140 | )\r |
141 | ;\r |
142 | \r |
143 | #endif\r |