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Vlv2TbltDevicePkg: Replace BSD License with BSD+Patent License
[mirror_edk2.git] / Vlv2TbltDevicePkg / Library / BiosIdLib / BiosIdLib.c
CommitLineData
3cbfba02
DW		 1/*++\r
2\r
3Copyright (c) 2011 - 2014, Intel Corporation. All rights reserved\r
4 \r\r
9dc8036d
MK		 5 SPDX-License-Identifier: BSD-2-Clause-Patent\r
6\r
3cbfba02
DW		 7 \r\r
8\r
9Module Name:\r
10\r
11 BiosIdLib.c\r
12\r
13Abstract:\r
14\r
15 Boot service DXE BIOS ID library implementation.\r
16\r
17 These functions in this file can be called during DXE and cannot be called during runtime\r
18 or in SMM which should use a RT or SMM library.\r
19\r
20--*/\r
21\r
22#include <PiDxe.h>\r
23#include <Library/BaseLib.h>\r
24#include <Library/HobLib.h>\r
25#include <Library/UefiBootServicesTableLib.h>\r
26#include <Library/BaseMemoryLib.h>\r
27#include <Library/DebugLib.h>\r
28\r
29#include <Library/BiosIdLib.h>\r
30#include <Guid/BiosId.h>\r
31#include <Protocol/FirmwareVolume2.h>\r
32#include <Protocol/LoadedImage.h>\r
33\r
34\r
35EFI_STATUS\r
36GetImageFromFv (\r
37 IN EFI_FIRMWARE_VOLUME2_PROTOCOL *Fv,\r
38 IN EFI_GUID *NameGuid,\r
39 IN EFI_SECTION_TYPE SectionType,\r
40 OUT VOID **Buffer,\r
41 OUT UINTN *Size\r
42 )\r
43{\r
44 EFI_STATUS Status;\r
45 EFI_FV_FILETYPE FileType;\r
46 EFI_FV_FILE_ATTRIBUTES Attributes;\r
47 UINT32 AuthenticationStatus;\r
48\r
49 //\r
50 // Read desired section content in NameGuid file\r
51 //\r
52 *Buffer = NULL;\r
53 *Size = 0;\r
54 Status = Fv->ReadSection (\r
55 Fv,\r
56 NameGuid,\r
57 SectionType,\r
58 0,\r
59 Buffer,\r
60 Size,\r
61 &AuthenticationStatus\r
62 );\r
63\r
64 if (EFI_ERROR (Status) && (SectionType == EFI_SECTION_TE)) {\r
65 //\r
66 // Try reading PE32 section, since the TE section does not exist\r
67 //\r
68 *Buffer = NULL;\r
69 *Size = 0;\r
70 Status = Fv->ReadSection (\r
71 Fv,\r
72 NameGuid,\r
73 EFI_SECTION_PE32,\r
74 0,\r
75 Buffer,\r
76 Size,\r
77 &AuthenticationStatus\r
78 );\r
79 }\r
80\r
81 if (EFI_ERROR (Status) &&\r
82 ((SectionType == EFI_SECTION_TE) || (SectionType == EFI_SECTION_PE32))) {\r
83 //\r
84 // Try reading raw file, since the desired section does not exist\r
85 //\r
86 *Buffer = NULL;\r
87 *Size = 0;\r
88 Status = Fv->ReadFile (\r
89 Fv,\r
90 NameGuid,\r
91 Buffer,\r
92 Size,\r
93 &FileType,\r
94 &Attributes,\r
95 &AuthenticationStatus\r
96 );\r
97 }\r
98\r
99 return Status;\r
100}\r
101\r
102\r
103EFI_STATUS\r
104GetImageEx (\r
105 IN EFI_HANDLE ImageHandle,\r
106 IN EFI_GUID *NameGuid,\r
107 IN EFI_SECTION_TYPE SectionType,\r
108 OUT VOID **Buffer,\r
109 OUT UINTN *Size,\r
110 BOOLEAN WithinImageFv\r
111 )\r
112{\r
113 EFI_STATUS Status;\r
114 EFI_HANDLE *HandleBuffer;\r
115 UINTN HandleCount;\r
116 UINTN Index;\r
117 EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;\r
118\r
119 EFI_FIRMWARE_VOLUME2_PROTOCOL *ImageFv;\r
120 EFI_FIRMWARE_VOLUME2_PROTOCOL *Fv;\r
121\r
122\r
123 if (ImageHandle == NULL && WithinImageFv) {\r
124 return EFI_INVALID_PARAMETER;\r
125 }\r
126\r
127 Status = EFI_NOT_FOUND;\r
128 ImageFv = NULL;\r
129 if (ImageHandle != NULL) {\r
130 Status = gBS->HandleProtocol (\r
131 ImageHandle,\r
132 &gEfiLoadedImageProtocolGuid,\r
133 (VOID **) &LoadedImage\r
134 );\r
135 if (EFI_ERROR (Status)) {\r
136 return Status;\r
137 }\r
138 Status = gBS->HandleProtocol (\r
139 LoadedImage->DeviceHandle,\r
140 &gEfiFirmwareVolume2ProtocolGuid,\r
141 (VOID **) &ImageFv\r
142 );\r
143 if (!EFI_ERROR (Status)) {\r
144 Status = GetImageFromFv (ImageFv, NameGuid, SectionType, Buffer, Size);\r
145 }\r
146 }\r
147\r
148 if (Status == EFI_SUCCESS || WithinImageFv) {\r
149 return Status;\r
150 }\r
151\r
152 Status = gBS->LocateHandleBuffer (\r
153 ByProtocol,\r
154 &gEfiFirmwareVolume2ProtocolGuid,\r
155 NULL,\r
156 &HandleCount,\r
157 &HandleBuffer\r
158 );\r
159 if (EFI_ERROR (Status)) {\r
160 return Status;\r
161 }\r
162\r
163 //\r
164 // Find desired image in all Fvs\r
165 //\r
166 for (Index = 0; Index < HandleCount; ++Index) {\r
167 Status = gBS->HandleProtocol (\r
168 HandleBuffer[Index],\r
169 &gEfiFirmwareVolume2ProtocolGuid,\r
170 (VOID**)&Fv\r
171 );\r
172\r
173 if (EFI_ERROR (Status)) {\r
174 gBS->FreePool(HandleBuffer);\r
175 return Status;\r
176 }\r
177\r
178 if (ImageFv != NULL && Fv == ImageFv) {\r
179 continue;\r
180 }\r
181\r
182 Status = GetImageFromFv (Fv, NameGuid, SectionType, Buffer, Size);\r
183\r
184 if (!EFI_ERROR (Status)) {\r
185 break;\r
186 }\r
187 }\r
188 gBS->FreePool(HandleBuffer);\r
189\r
190 //\r
191 // Not found image\r
192 //\r
193 if (Index == HandleCount) {\r
194 return EFI_NOT_FOUND;\r
195 }\r
196\r
197 return EFI_SUCCESS;\r
198}\r
199\r
200/**\r
201 This function returns BIOS ID by searching HOB or FV.\r
202\r
203 @param BiosIdImage The BIOS ID got from HOB or FV.\r
204\r
205 @retval EFI_SUCCESS All parameters were valid and BIOS ID has been got.\r
206 @retval EFI_NOT_FOUND BiosId image is not found, and no parameter will be modified.\r
207 @retval EFI_INVALID_PARAMETER The parameter is NULL.\r
208\r
209**/\r
210EFI_STATUS\r
211GetBiosId (\r
212 OUT BIOS_ID_IMAGE *BiosIdImage\r
213 )\r
214\r
215{\r
216 EFI_STATUS Status;\r
217 VOID *Address = NULL;\r
218 UINTN Size = 0;\r
219\r
220 DEBUG ((EFI_D_INFO, "Get BIOS ID from FV\n"));\r
221\r
222 Status = GetImageEx (\r
223 NULL,\r
224 &gEfiBiosIdGuid,\r
225 EFI_SECTION_RAW,\r
226 &Address,\r
227 &Size,\r
228 FALSE\r
229 );\r
230\r
231 if (Status == EFI_SUCCESS) {\r
232 //\r
233 // BiosId image is present in FV\r
234 //\r
235 if (Address != NULL) {\r
236 Size = sizeof (BIOS_ID_IMAGE);\r
237 gBS->CopyMem (\r
238 (void *) BiosIdImage,\r
239 Address,\r
240 Size\r
241 );\r
242 //\r
243 // GetImage () allocated buffer for Address, now clear it.\r
244 //\r
245 gBS->FreePool (Address);\r
246\r
247 DEBUG ((EFI_D_INFO, "Get BIOS ID from FV successfully\n"));\r
248 DEBUG ((EFI_D_INFO, "BIOS ID: %s\n", (CHAR16 *) (&(BiosIdImage->BiosIdString))));\r
249\r
250 return EFI_SUCCESS;\r
251 }\r
252 }\r
253 return EFI_NOT_FOUND;\r
254}\r
255\r
256/**\r
257 This function returns the Version & Release Date and Time by getting and converting\r
258 BIOS ID.\r
259\r
260 @param BiosVersion The Bios Version out of the conversion.\r
261 @param BiosReleaseDate The Bios Release Date out of the conversion.\r
262 @param BiosReleaseTime - The Bios Release Time out of the conversion.\r
263\r
264 @retval EFI_SUCCESS - BIOS Version & Release Date and Time have been got successfully.\r
265 @retval EFI_NOT_FOUND - BiosId image is not found, and no parameter will be modified.\r
266 @retval EFI_INVALID_PARAMETER - All the parameters are NULL.\r
267\r
268**/\r
269EFI_STATUS\r
270GetBiosVersionDateTime (\r
271 OUT CHAR16 *BiosVersion, OPTIONAL\r
272 OUT CHAR16 *BiosReleaseDate, OPTIONAL\r
273 OUT CHAR16 *BiosReleaseTime OPTIONAL\r
274 )\r
275{\r
276 EFI_STATUS Status;\r
277 BIOS_ID_IMAGE BiosIdImage;\r
278\r
279 if ((BiosVersion == NULL) && (BiosReleaseDate == NULL) && (BiosReleaseTime == NULL)) {\r
280 return EFI_INVALID_PARAMETER;\r
281 }\r
282\r
283 Status = GetBiosId (&BiosIdImage);\r
284 if (EFI_ERROR (Status)) {\r
285 return EFI_NOT_FOUND;\r
286 }\r
287\r
288 if (BiosVersion != NULL) {\r
289 //\r
290 // Fill the BiosVersion data from the BIOS ID.\r
291 //\r
292 StrCpy (BiosVersion, (CHAR16 *) (&(BiosIdImage.BiosIdString)));\r
293 }\r
294\r
295 if (BiosReleaseDate != NULL) {\r
296 //\r
297 // Fill the build timestamp date from the BIOS ID in the "MM/DD/YY" format.\r
298 //\r
299 BiosReleaseDate[0] = BiosIdImage.BiosIdString.TimeStamp[2];\r
300 BiosReleaseDate[1] = BiosIdImage.BiosIdString.TimeStamp[3];\r
301 BiosReleaseDate[2] = (CHAR16) ((UINT8) ('/'));\r
302\r
303 BiosReleaseDate[3] = BiosIdImage.BiosIdString.TimeStamp[4];\r
304 BiosReleaseDate[4] = BiosIdImage.BiosIdString.TimeStamp[5];\r
305 BiosReleaseDate[5] = (CHAR16) ((UINT8) ('/'));\r
306\r
307 //\r
308 // Add 20 for SMBIOS table\r
309 // Current Linux kernel will misjudge 09 as year 0, so using 2009 for SMBIOS table\r
310 //\r
311 BiosReleaseDate[6] = '2';\r
312 BiosReleaseDate[7] = '0';\r
313 BiosReleaseDate[8] = BiosIdImage.BiosIdString.TimeStamp[0];\r
314 BiosReleaseDate[9] = BiosIdImage.BiosIdString.TimeStamp[1];\r
315\r
316 BiosReleaseDate[10] = (CHAR16) ((UINT8) ('\0'));\r
317 }\r
318\r
319 if (BiosReleaseTime != NULL) {\r
320\r
321 //\r
322 // Fill the build timestamp time from the BIOS ID in the "HH:MM" format.\r
323 //\r
324\r
325 BiosReleaseTime[0] = BiosIdImage.BiosIdString.TimeStamp[6];\r
326 BiosReleaseTime[1] = BiosIdImage.BiosIdString.TimeStamp[7];\r
327 BiosReleaseTime[2] = (CHAR16) ((UINT8) (':'));\r
328\r
329 BiosReleaseTime[3] = BiosIdImage.BiosIdString.TimeStamp[8];\r
330 BiosReleaseTime[4] = BiosIdImage.BiosIdString.TimeStamp[9];\r
331\r
332 BiosReleaseTime[5] = (CHAR16) ((UINT8) ('\0'));\r
333 }\r
334\r
335 return EFI_SUCCESS;\r
336}\r
337\r
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