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1 | /** @file\r |
2 | \r | |
60274cca | 3 | Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r |
3402aac7 | 4 | \r |
60274cca | 5 | This program and the accompanying materials\r |
2ef2b01e A |
6 | are licensed and made available under the terms and conditions of the BSD License\r |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | #include <PiPei.h>\r | |
16 | #include <Library/BaseMemoryLib.h>\r | |
17 | #include <Library/DebugLib.h>\r | |
18 | #include <Library/ExtractGuidedSectionLib.h>\r | |
19 | #include <Library/PcdLib.h>\r | |
20 | #include <Library/PrePiLib.h>\r | |
21 | \r | |
22 | #define PRE_PI_EXTRACT_GUIDED_SECTION_DATA_GUID { 0x385A982C, 0x2F49, 0x4043, { 0xA5, 0x1E, 0x49, 0x01, 0x02, 0x5C, 0x8B, 0x6B }}\r | |
23 | \r | |
24 | typedef struct {\r | |
25 | UINT32 NumberOfExtractHandler;\r | |
26 | GUID *ExtractHandlerGuidTable;\r | |
27 | EXTRACT_GUIDED_SECTION_DECODE_HANDLER *ExtractDecodeHandlerTable;\r | |
28 | EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER *ExtractGetInfoHandlerTable;\r | |
29 | } PRE_PI_EXTRACT_GUIDED_SECTION_DATA;\r | |
30 | \r | |
31 | PRE_PI_EXTRACT_GUIDED_SECTION_DATA *\r | |
32 | GetSavedData (\r | |
33 | VOID\r | |
34 | )\r | |
35 | {\r | |
36 | EFI_HOB_GUID_TYPE *GuidHob;\r | |
37 | GUID SavedDataGuid = PRE_PI_EXTRACT_GUIDED_SECTION_DATA_GUID;\r | |
38 | \r | |
39 | GuidHob = GetFirstGuidHob(&SavedDataGuid);\r | |
40 | GuidHob++;\r | |
3402aac7 | 41 | \r |
2ef2b01e A |
42 | return (PRE_PI_EXTRACT_GUIDED_SECTION_DATA *)GuidHob;\r |
43 | }\r | |
44 | \r | |
45 | RETURN_STATUS\r | |
46 | EFIAPI\r | |
47 | ExtractGuidedSectionRegisterHandlers (\r | |
48 | IN CONST GUID *SectionGuid,\r | |
49 | IN EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER GetInfoHandler,\r | |
50 | IN EXTRACT_GUIDED_SECTION_DECODE_HANDLER DecodeHandler\r | |
51 | )\r | |
52 | {\r | |
53 | PRE_PI_EXTRACT_GUIDED_SECTION_DATA *SavedData;\r | |
54 | UINT32 Index;\r | |
55 | //\r | |
4f0624e8 | 56 | // Check input parameter.\r |
2ef2b01e A |
57 | //\r |
58 | if (SectionGuid == NULL) {\r | |
59 | return RETURN_INVALID_PARAMETER;\r | |
60 | }\r | |
61 | \r | |
62 | SavedData = GetSavedData();\r | |
63 | \r | |
64 | //\r | |
65 | // Search the match registered GetInfo handler for the input guided section.\r | |
66 | //\r | |
67 | for (Index = 0; Index < SavedData->NumberOfExtractHandler; Index ++) {\r | |
68 | if (CompareGuid (&SavedData->ExtractHandlerGuidTable[Index], SectionGuid)) {\r | |
69 | break;\r | |
70 | }\r | |
71 | }\r | |
72 | \r | |
73 | //\r | |
74 | // If the guided handler has been registered before, only update its handler.\r | |
75 | //\r | |
76 | if (Index < SavedData->NumberOfExtractHandler) {\r | |
77 | SavedData->ExtractDecodeHandlerTable [Index] = DecodeHandler;\r | |
78 | SavedData->ExtractGetInfoHandlerTable [Index] = GetInfoHandler;\r | |
79 | return RETURN_SUCCESS;\r | |
80 | }\r | |
3402aac7 | 81 | \r |
2ef2b01e A |
82 | //\r |
83 | // Check the global table is enough to contain new Handler.\r | |
84 | //\r | |
85 | if (SavedData->NumberOfExtractHandler >= PcdGet32 (PcdMaximumGuidedExtractHandler)) {\r | |
86 | return RETURN_OUT_OF_RESOURCES;\r | |
87 | }\r | |
3402aac7 | 88 | \r |
2ef2b01e A |
89 | //\r |
90 | // Register new Handler and guid value.\r | |
91 | //\r | |
92 | CopyGuid (&SavedData->ExtractHandlerGuidTable [SavedData->NumberOfExtractHandler], SectionGuid);\r | |
93 | SavedData->ExtractDecodeHandlerTable [SavedData->NumberOfExtractHandler] = DecodeHandler;\r | |
94 | SavedData->ExtractGetInfoHandlerTable [SavedData->NumberOfExtractHandler++] = GetInfoHandler;\r | |
3402aac7 | 95 | \r |
2ef2b01e A |
96 | return RETURN_SUCCESS;\r |
97 | }\r | |
98 | \r | |
99 | UINTN\r | |
100 | EFIAPI\r | |
101 | ExtractGuidedSectionGetGuidList (\r | |
102 | IN OUT GUID **ExtractHandlerGuidTable\r | |
103 | )\r | |
104 | {\r | |
105 | PRE_PI_EXTRACT_GUIDED_SECTION_DATA *SavedData;\r | |
106 | \r | |
107 | ASSERT(ExtractHandlerGuidTable != NULL);\r | |
3402aac7 | 108 | \r |
2ef2b01e | 109 | SavedData = GetSavedData();\r |
3402aac7 | 110 | \r |
2ef2b01e A |
111 | *ExtractHandlerGuidTable = SavedData->ExtractHandlerGuidTable;\r |
112 | return SavedData->NumberOfExtractHandler;\r | |
113 | }\r | |
114 | \r | |
115 | RETURN_STATUS\r | |
116 | EFIAPI\r | |
117 | ExtractGuidedSectionGetInfo (\r | |
118 | IN CONST VOID *InputSection,\r | |
119 | OUT UINT32 *OutputBufferSize,\r | |
120 | OUT UINT32 *ScratchBufferSize,\r | |
3402aac7 | 121 | OUT UINT16 *SectionAttribute\r |
2ef2b01e A |
122 | )\r |
123 | {\r | |
124 | PRE_PI_EXTRACT_GUIDED_SECTION_DATA *SavedData;\r | |
125 | UINT32 Index;\r | |
9384e1c0 | 126 | EFI_GUID *SectionDefinitionGuid;\r |
3402aac7 | 127 | \r |
2ef2b01e A |
128 | if (InputSection == NULL) {\r |
129 | return RETURN_INVALID_PARAMETER;\r | |
130 | }\r | |
3402aac7 | 131 | \r |
2ef2b01e A |
132 | ASSERT (OutputBufferSize != NULL);\r |
133 | ASSERT (ScratchBufferSize != NULL);\r | |
134 | ASSERT (SectionAttribute != NULL);\r | |
3402aac7 | 135 | \r |
2ef2b01e A |
136 | SavedData = GetSavedData();\r |
137 | \r | |
9384e1c0 GS |
138 | if (IS_SECTION2 (InputSection)) {\r |
139 | SectionDefinitionGuid = &(((EFI_GUID_DEFINED_SECTION2 *) InputSection)->SectionDefinitionGuid);\r | |
140 | } else {\r | |
141 | SectionDefinitionGuid = &(((EFI_GUID_DEFINED_SECTION *) InputSection)->SectionDefinitionGuid);\r | |
142 | }\r | |
143 | \r | |
2ef2b01e A |
144 | //\r |
145 | // Search the match registered GetInfo handler for the input guided section.\r | |
146 | //\r | |
147 | for (Index = 0; Index < SavedData->NumberOfExtractHandler; Index ++) {\r | |
9384e1c0 | 148 | if (CompareGuid (&SavedData->ExtractHandlerGuidTable[Index], SectionDefinitionGuid)) {\r |
2ef2b01e A |
149 | break;\r |
150 | }\r | |
151 | }\r | |
152 | \r | |
153 | //\r | |
3402aac7 | 154 | // Not found, the input guided section is not supported.\r |
2ef2b01e A |
155 | //\r |
156 | if (Index == SavedData->NumberOfExtractHandler) {\r | |
157 | return RETURN_INVALID_PARAMETER;\r | |
158 | }\r | |
159 | \r | |
160 | //\r | |
161 | // Call the match handler to getinfo for the input section data.\r | |
162 | //\r | |
163 | return SavedData->ExtractGetInfoHandlerTable [Index] (\r | |
164 | InputSection,\r | |
165 | OutputBufferSize,\r | |
166 | ScratchBufferSize,\r | |
167 | SectionAttribute\r | |
168 | );\r | |
169 | }\r | |
170 | \r | |
171 | RETURN_STATUS\r | |
172 | EFIAPI\r | |
173 | ExtractGuidedSectionDecode (\r | |
174 | IN CONST VOID *InputSection,\r | |
175 | OUT VOID **OutputBuffer,\r | |
176 | OUT VOID *ScratchBuffer, OPTIONAL\r | |
3402aac7 | 177 | OUT UINT32 *AuthenticationStatus\r |
2ef2b01e A |
178 | )\r |
179 | {\r | |
180 | PRE_PI_EXTRACT_GUIDED_SECTION_DATA *SavedData;\r | |
181 | UINT32 Index;\r | |
9384e1c0 | 182 | EFI_GUID *SectionDefinitionGuid;\r |
3402aac7 | 183 | \r |
2ef2b01e A |
184 | if (InputSection == NULL) {\r |
185 | return RETURN_INVALID_PARAMETER;\r | |
186 | }\r | |
3402aac7 | 187 | \r |
2ef2b01e A |
188 | ASSERT (OutputBuffer != NULL);\r |
189 | ASSERT (AuthenticationStatus != NULL);\r | |
190 | \r | |
191 | SavedData = GetSavedData();\r | |
192 | \r | |
9384e1c0 GS |
193 | if (IS_SECTION2 (InputSection)) {\r |
194 | SectionDefinitionGuid = &(((EFI_GUID_DEFINED_SECTION2 *) InputSection)->SectionDefinitionGuid);\r | |
195 | } else {\r | |
196 | SectionDefinitionGuid = &(((EFI_GUID_DEFINED_SECTION *) InputSection)->SectionDefinitionGuid);\r | |
197 | }\r | |
198 | \r | |
2ef2b01e A |
199 | //\r |
200 | // Search the match registered GetInfo handler for the input guided section.\r | |
201 | //\r | |
202 | for (Index = 0; Index < SavedData->NumberOfExtractHandler; Index ++) {\r | |
9384e1c0 | 203 | if (CompareGuid (&SavedData->ExtractHandlerGuidTable[Index], SectionDefinitionGuid)) {\r |
2ef2b01e A |
204 | break;\r |
205 | }\r | |
206 | }\r | |
207 | \r | |
208 | //\r | |
3402aac7 | 209 | // Not found, the input guided section is not supported.\r |
2ef2b01e A |
210 | //\r |
211 | if (Index == SavedData->NumberOfExtractHandler) {\r | |
212 | return RETURN_INVALID_PARAMETER;\r | |
213 | }\r | |
214 | \r | |
215 | //\r | |
216 | // Call the match handler to getinfo for the input section data.\r | |
217 | //\r | |
218 | return SavedData->ExtractDecodeHandlerTable [Index] (\r | |
219 | InputSection,\r | |
220 | OutputBuffer,\r | |
221 | ScratchBuffer,\r | |
222 | AuthenticationStatus\r | |
223 | );\r | |
224 | }\r | |
225 | \r | |
226 | RETURN_STATUS\r | |
227 | EFIAPI\r | |
228 | ExtractGuidedSectionLibConstructor (\r | |
229 | VOID\r | |
230 | )\r | |
231 | {\r | |
232 | PRE_PI_EXTRACT_GUIDED_SECTION_DATA SavedData;\r | |
233 | GUID HobGuid = PRE_PI_EXTRACT_GUIDED_SECTION_DATA_GUID;\r | |
234 | \r | |
235 | //\r | |
236 | // Allocate global pool space to store the registered handler and its guid value.\r | |
237 | //\r | |
238 | SavedData.ExtractHandlerGuidTable = (GUID *)AllocatePool(PcdGet32(PcdMaximumGuidedExtractHandler) * sizeof(GUID));\r | |
239 | if (SavedData.ExtractHandlerGuidTable == NULL) {\r | |
240 | return RETURN_OUT_OF_RESOURCES;\r | |
241 | }\r | |
3402aac7 | 242 | \r |
2ef2b01e A |
243 | SavedData.ExtractDecodeHandlerTable = (EXTRACT_GUIDED_SECTION_DECODE_HANDLER *)AllocatePool(PcdGet32(PcdMaximumGuidedExtractHandler) * sizeof(EXTRACT_GUIDED_SECTION_DECODE_HANDLER));\r |
244 | if (SavedData.ExtractDecodeHandlerTable == NULL) {\r | |
245 | return RETURN_OUT_OF_RESOURCES;\r | |
246 | }\r | |
247 | \r | |
248 | SavedData.ExtractGetInfoHandlerTable = (EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER *)AllocatePool(PcdGet32(PcdMaximumGuidedExtractHandler) * sizeof(EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER));\r | |
249 | if (SavedData.ExtractGetInfoHandlerTable == NULL) {\r | |
250 | return RETURN_OUT_OF_RESOURCES;\r | |
251 | }\r | |
3402aac7 | 252 | \r |
2ef2b01e A |
253 | //\r |
254 | // the initialized number is Zero.\r | |
255 | //\r | |
256 | SavedData.NumberOfExtractHandler = 0;\r | |
3402aac7 | 257 | \r |
2ef2b01e | 258 | BuildGuidDataHob(&HobGuid, &SavedData, sizeof(SavedData));\r |
3402aac7 | 259 | \r |
2ef2b01e A |
260 | return RETURN_SUCCESS;\r |
261 | }\r |