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 | InitVariable.c\r |
15 | \r |
16 | Abstract:\r |
17 | \r |
18 | Revision History\r |
19 | \r |
20 | --*/\r |
21 | \r |
22 | #include "Variable.h"\r |
23 | \r |
24 | //\r |
25 | // Don't use module globals after the SetVirtualAddress map is signaled\r |
26 | //\r |
27 | extern ESAL_VARIABLE_GLOBAL *mVariableModuleGlobal;\r |
28 | \r |
29 | EFI_STATUS\r |
30 | EFIAPI\r |
31 | RuntimeServiceGetVariable (\r |
32 | IN CHAR16 *VariableName,\r |
33 | IN EFI_GUID * VendorGuid,\r |
34 | OUT UINT32 *Attributes OPTIONAL,\r |
35 | IN OUT UINTN *DataSize,\r |
36 | OUT VOID *Data\r |
37 | )\r |
38 | /*++\r |
39 | \r |
40 | Routine Description:\r |
41 | \r |
42 | Arguments:\r |
43 | \r |
44 | Returns:\r |
45 | \r |
46 | --*/\r |
47 | {\r |
48 | return GetVariable (\r |
49 | VariableName,\r |
50 | VendorGuid,\r |
51 | Attributes OPTIONAL,\r |
52 | DataSize,\r |
53 | Data,\r |
54 | &mVariableModuleGlobal->VariableBase[Physical],\r |
55 | mVariableModuleGlobal->FvbInstance\r |
56 | );\r |
57 | }\r |
58 | \r |
59 | EFI_STATUS\r |
60 | EFIAPI\r |
61 | RuntimeServiceGetNextVariableName (\r |
62 | IN OUT UINTN *VariableNameSize,\r |
63 | IN OUT CHAR16 *VariableName,\r |
64 | IN OUT EFI_GUID *VendorGuid\r |
65 | )\r |
66 | /*++\r |
67 | \r |
68 | Routine Description:\r |
69 | \r |
70 | Arguments:\r |
71 | \r |
72 | Returns:\r |
73 | \r |
74 | --*/\r |
75 | {\r |
76 | return GetNextVariableName (\r |
77 | VariableNameSize,\r |
78 | VariableName,\r |
79 | VendorGuid,\r |
80 | &mVariableModuleGlobal->VariableBase[Physical],\r |
81 | mVariableModuleGlobal->FvbInstance\r |
82 | );\r |
83 | }\r |
84 | \r |
85 | EFI_STATUS\r |
86 | EFIAPI\r |
87 | RuntimeServiceSetVariable (\r |
88 | IN CHAR16 *VariableName,\r |
89 | IN EFI_GUID *VendorGuid,\r |
90 | IN UINT32 Attributes,\r |
91 | IN UINTN DataSize,\r |
92 | IN VOID *Data\r |
93 | )\r |
94 | /*++\r |
95 | \r |
96 | Routine Description:\r |
97 | \r |
98 | Arguments:\r |
99 | \r |
100 | Returns:\r |
101 | \r |
102 | --*/\r |
103 | {\r |
104 | return SetVariable (\r |
105 | VariableName,\r |
106 | VendorGuid,\r |
107 | Attributes,\r |
108 | DataSize,\r |
109 | Data,\r |
110 | &mVariableModuleGlobal->VariableBase[Physical],\r |
111 | &mVariableModuleGlobal->VolatileLastVariableOffset,\r |
112 | &mVariableModuleGlobal->NonVolatileLastVariableOffset,\r |
113 | mVariableModuleGlobal->FvbInstance\r |
114 | );\r |
115 | }\r |
116 | \r |
045f4521 |
117 | #if (EFI_SPECIFICATION_VERSION >= 0x00020000)\r |
118 | EFI_STATUS\r |
119 | EFIAPI\r |
120 | RuntimeServiceQueryVariableInfo (\r |
121 | IN UINT32 Attributes,\r |
122 | OUT UINT64 *MaximumVariableStorageSize,\r |
123 | OUT UINT64 *RemainingVariableStorageSize,\r |
124 | OUT UINT64 *MaximumVariableSize\r |
125 | )\r |
126 | /*++\r |
127 | \r |
128 | Routine Description:\r |
129 | \r |
130 | Arguments:\r |
131 | \r |
132 | Returns:\r |
133 | \r |
134 | --*/\r |
135 | {\r |
136 | return QueryVariableInfo (\r |
137 | Attributes,\r |
138 | MaximumVariableStorageSize,\r |
139 | RemainingVariableStorageSize,\r |
140 | MaximumVariableSize,\r |
141 | &mVariableModuleGlobal->VariableBase[Physical],\r |
142 | mVariableModuleGlobal->FvbInstance\r |
143 | );\r |
144 | }\r |
145 | #endif\r |
146 | \r |
878ddf1f |
147 | VOID\r |
148 | EFIAPI\r |
149 | VariableClassAddressChangeEvent (\r |
150 | IN EFI_EVENT Event,\r |
151 | IN VOID *Context\r |
152 | )\r |
153 | /*++\r |
154 | \r |
155 | Routine Description:\r |
156 | \r |
157 | Arguments:\r |
158 | \r |
159 | Returns:\r |
160 | \r |
161 | --*/\r |
162 | {\r |
163 | EfiConvertPointer (\r |
164 | 0x0,\r |
165 | (VOID **) &mVariableModuleGlobal->VariableBase[Physical].NonVolatileVariableBase\r |
166 | );\r |
167 | EfiConvertPointer (\r |
168 | 0x0,\r |
169 | (VOID **) &mVariableModuleGlobal->VariableBase[Physical].VolatileVariableBase\r |
170 | );\r |
171 | EfiConvertPointer (0x0, (VOID **) &mVariableModuleGlobal);\r |
172 | }\r |
173 | \r |
174 | EFI_STATUS\r |
175 | EFIAPI\r |
176 | VariableServiceInitialize (\r |
177 | IN EFI_HANDLE ImageHandle,\r |
178 | IN EFI_SYSTEM_TABLE *SystemTable\r |
179 | )\r |
180 | /*++\r |
181 | \r |
182 | Routine Description:\r |
183 | \r |
184 | Arguments:\r |
185 | \r |
186 | Returns:\r |
187 | \r |
188 | --*/\r |
189 | {\r |
190 | EFI_HANDLE NewHandle;\r |
191 | EFI_STATUS Status;\r |
192 | \r |
193 | Status = VariableCommonInitialize (ImageHandle, SystemTable);\r |
194 | ASSERT_EFI_ERROR (Status);\r |
195 | \r |
196 | SystemTable->RuntimeServices->GetVariable = RuntimeServiceGetVariable;\r |
197 | SystemTable->RuntimeServices->GetNextVariableName = RuntimeServiceGetNextVariableName;\r |
198 | SystemTable->RuntimeServices->SetVariable = RuntimeServiceSetVariable;\r |
045f4521 |
199 | #if (EFI_SPECIFICATION_VERSION >= 0x00020000)\r |
200 | SystemTable->RuntimeServices->QueryVariableInfo = RuntimeServiceQueryVariableInfo;\r |
201 | #endif\r |
878ddf1f |
202 | \r |
203 | //\r |
204 | // Now install the Variable Runtime Architectural Protocol on a new handle\r |
205 | //\r |
206 | NewHandle = NULL;\r |
207 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
208 | &NewHandle,\r |
209 | &gEfiVariableArchProtocolGuid,\r |
210 | NULL,\r |
211 | &gEfiVariableWriteArchProtocolGuid,\r |
212 | NULL,\r |
213 | NULL\r |
214 | );\r |
215 | ASSERT_EFI_ERROR (Status);\r |
216 | \r |
217 | return EFI_SUCCESS;\r |
218 | }\r |