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52e1905d | 1 | /** @file PCD PEIM\r |
878ddf1f | 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 | \r | |
13 | Module Name: Pcd.c\r | |
14 | \r | |
15 | **/\r | |
16 | \r | |
878ddf1f | 17 | #include "Service.h"\r |
18 | \r | |
19 | \r | |
20 | PCD_PPI mPcdPpiInstance = {\r | |
21 | PeiPcdSetSku,\r | |
22 | \r | |
23 | PeiPcdGet8,\r | |
24 | PeiPcdGet16, \r | |
25 | PeiPcdGet32, \r | |
26 | PeiPcdGet64, \r | |
27 | PeiPcdGetPtr, \r | |
28 | PeiPcdGetBool, \r | |
29 | PeiPcdGetSize,\r | |
30 | \r | |
31 | PeiPcdGet8Ex,\r | |
32 | PeiPcdGet16Ex, \r | |
33 | PeiPcdGet32Ex, \r | |
34 | PeiPcdGet64Ex, \r | |
35 | PeiPcdGetPtrEx, \r | |
36 | PeiPcdGetBoolEx, \r | |
37 | PeiPcdGetSizeEx,\r | |
38 | \r | |
39 | PeiPcdSet8,\r | |
40 | PeiPcdSet16, \r | |
41 | PeiPcdSet32, \r | |
42 | PeiPcdSet64, \r | |
43 | PeiPcdSetPtr, \r | |
44 | PeiPcdSetBool, \r | |
45 | \r | |
46 | PeiPcdSet8Ex,\r | |
47 | PeiPcdSet16Ex, \r | |
48 | PeiPcdSet32Ex, \r | |
49 | PeiPcdSet64Ex, \r | |
50 | PeiPcdSetPtrEx, \r | |
51 | PeiPcdSetBoolEx,\r | |
52 | \r | |
4c114006 | 53 | PeiRegisterCallBackOnSet,\r |
878ddf1f | 54 | PcdUnRegisterCallBackOnSet,\r |
4276d5da | 55 | PeiPcdGetNextToken,\r |
56 | PeiPcdGetNextTokenSpace\r | |
878ddf1f | 57 | };\r |
58 | \r | |
59 | \r | |
60 | \r | |
61 | STATIC EFI_PEI_PPI_DESCRIPTOR mPpiPCD = {\r | |
62 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r | |
63 | &gPcdPpiGuid,\r | |
64 | &mPcdPpiInstance\r | |
65 | };\r | |
66 | \r | |
67 | \r | |
68 | \r | |
69 | EFI_STATUS\r | |
70 | EFIAPI\r | |
71 | PcdPeimInit (\r | |
72 | IN EFI_FFS_FILE_HEADER *FfsHeader,\r | |
73 | IN EFI_PEI_SERVICES **PeiServices\r | |
74 | )\r | |
75 | {\r | |
76 | EFI_STATUS Status;\r | |
878ddf1f | 77 | \r |
52e1905d | 78 | BuildPcdDatabase ();\r |
79 | \r | |
84a99d48 | 80 | Status = PeiServicesInstallPpi (&mPpiPCD);\r |
878ddf1f | 81 | \r |
82 | ASSERT_EFI_ERROR (Status);\r | |
83 | \r | |
84 | return EFI_SUCCESS;\r | |
85 | }\r | |
86 | \r | |
00b7af13 | 87 | VOID\r |
878ddf1f | 88 | EFIAPI\r |
89 | PeiPcdSetSku (\r | |
8a43e8dd | 90 | IN UINTN SkuId\r |
878ddf1f | 91 | )\r |
92 | {\r | |
878ddf1f | 93 | \r |
8a43e8dd | 94 | GetPcdDatabase()->Init.SystemSkuId = (SKU_ID) SkuId;\r |
878ddf1f | 95 | \r |
00b7af13 | 96 | return;\r |
878ddf1f | 97 | }\r |
98 | \r | |
99 | \r | |
100 | \r | |
101 | UINT8\r | |
102 | EFIAPI\r | |
103 | PeiPcdGet8 (\r | |
8a43e8dd | 104 | IN UINTN TokenNumber\r |
878ddf1f | 105 | )\r |
106 | {\r | |
52e1905d | 107 | return *((UINT8 *) GetWorker (TokenNumber, sizeof (UINT8)));\r |
878ddf1f | 108 | }\r |
109 | \r | |
110 | \r | |
111 | \r | |
112 | UINT16\r | |
113 | EFIAPI\r | |
114 | PeiPcdGet16 (\r | |
8a43e8dd | 115 | IN UINTN TokenNumber\r |
878ddf1f | 116 | )\r |
117 | {\r | |
52e1905d | 118 | return ReadUnaligned16 (GetWorker (TokenNumber, sizeof (UINT16)));\r |
878ddf1f | 119 | }\r |
120 | \r | |
121 | \r | |
122 | \r | |
123 | UINT32\r | |
124 | EFIAPI\r | |
125 | PeiPcdGet32 (\r | |
8a43e8dd | 126 | IN UINTN TokenNumber\r |
878ddf1f | 127 | )\r |
128 | {\r | |
52e1905d | 129 | return ReadUnaligned32 (GetWorker (TokenNumber, sizeof (UINT32)));\r |
878ddf1f | 130 | }\r |
131 | \r | |
132 | \r | |
133 | \r | |
134 | UINT64\r | |
135 | EFIAPI\r | |
136 | PeiPcdGet64 (\r | |
8a43e8dd | 137 | IN UINTN TokenNumber\r |
878ddf1f | 138 | )\r |
139 | {\r | |
52e1905d | 140 | return ReadUnaligned64 (GetWorker (TokenNumber, sizeof (UINT64)));\r |
878ddf1f | 141 | }\r |
142 | \r | |
143 | \r | |
144 | \r | |
145 | VOID *\r | |
146 | EFIAPI\r | |
147 | PeiPcdGetPtr (\r | |
8a43e8dd | 148 | IN UINTN TokenNumber\r |
878ddf1f | 149 | )\r |
150 | {\r | |
52e1905d | 151 | return GetWorker (TokenNumber, 0);\r |
878ddf1f | 152 | }\r |
153 | \r | |
154 | \r | |
155 | \r | |
156 | BOOLEAN\r | |
157 | EFIAPI\r | |
158 | PeiPcdGetBool (\r | |
8a43e8dd | 159 | IN UINTN TokenNumber\r |
878ddf1f | 160 | )\r |
161 | {\r | |
52e1905d | 162 | return *((BOOLEAN *) GetWorker (TokenNumber, sizeof (BOOLEAN)));\r |
878ddf1f | 163 | }\r |
164 | \r | |
165 | \r | |
166 | \r | |
167 | UINTN\r | |
168 | EFIAPI\r | |
169 | PeiPcdGetSize (\r | |
8a43e8dd | 170 | IN UINTN TokenNumber\r |
878ddf1f | 171 | )\r |
172 | {\r | |
1de04b4f | 173 | PEI_PCD_DATABASE *PeiPcdDb;\r |
174 | UINTN Size;\r | |
175 | UINTN MaxSize;\r | |
176 | \r | |
177 | PeiPcdDb = GetPcdDatabase ();\r | |
58f1099f | 178 | //\r |
179 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
180 | // We have to decrement TokenNumber by 1 to make it usable\r | |
181 | // as the array index.\r | |
182 | //\r | |
183 | TokenNumber--;\r | |
184 | \r | |
52e1905d | 185 | ASSERT (TokenNumber < PEI_LOCAL_TOKEN_NUMBER);\r |
186 | \r | |
1de04b4f | 187 | Size = (PeiPcdDb->Init.LocalTokenNumberTable[TokenNumber] & PCD_DATUM_TYPE_ALL_SET) >> PCD_DATUM_TYPE_SHIFT;\r |
188 | \r | |
189 | if (Size == 0) {\r | |
190 | //\r | |
191 | // For pointer type, we need to scan the SIZE_TABLE to get the current size.\r | |
192 | //\r | |
193 | return GetPtrTypeSize (TokenNumber, &MaxSize, PeiPcdDb);\r | |
194 | } else {\r | |
195 | return Size;\r | |
196 | }\r | |
197 | \r | |
878ddf1f | 198 | }\r |
199 | \r | |
200 | \r | |
201 | \r | |
202 | UINT8\r | |
203 | EFIAPI\r | |
204 | PeiPcdGet8Ex (\r | |
205 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 206 | IN UINTN ExTokenNumber\r |
878ddf1f | 207 | )\r |
208 | {\r | |
52e1905d | 209 | return *((UINT8 *) ExGetWorker (Guid, ExTokenNumber, sizeof (UINT8)));\r |
878ddf1f | 210 | }\r |
211 | \r | |
212 | \r | |
213 | \r | |
214 | UINT16\r | |
215 | EFIAPI\r | |
216 | PeiPcdGet16Ex (\r | |
217 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 218 | IN UINTN ExTokenNumber\r |
878ddf1f | 219 | )\r |
220 | {\r | |
52e1905d | 221 | return ReadUnaligned16 (ExGetWorker (Guid, ExTokenNumber, sizeof (UINT16)));\r |
878ddf1f | 222 | }\r |
223 | \r | |
224 | \r | |
225 | \r | |
226 | UINT32\r | |
227 | EFIAPI\r | |
228 | PeiPcdGet32Ex (\r | |
229 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 230 | IN UINTN ExTokenNumber\r |
878ddf1f | 231 | )\r |
232 | {\r | |
52e1905d | 233 | return ReadUnaligned32 (ExGetWorker (Guid, ExTokenNumber, sizeof (UINT32)));\r |
878ddf1f | 234 | }\r |
235 | \r | |
236 | \r | |
237 | \r | |
238 | UINT64\r | |
239 | EFIAPI\r | |
240 | PeiPcdGet64Ex (\r | |
241 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 242 | IN UINTN ExTokenNumber\r |
878ddf1f | 243 | )\r |
244 | {\r | |
52e1905d | 245 | return ReadUnaligned64 (ExGetWorker (Guid, ExTokenNumber, sizeof (UINT64)));\r |
878ddf1f | 246 | }\r |
247 | \r | |
248 | \r | |
249 | \r | |
250 | VOID *\r | |
251 | EFIAPI\r | |
252 | PeiPcdGetPtrEx (\r | |
253 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 254 | IN UINTN ExTokenNumber\r |
878ddf1f | 255 | )\r |
256 | {\r | |
52e1905d | 257 | return ExGetWorker (Guid, ExTokenNumber, 0);\r |
878ddf1f | 258 | }\r |
259 | \r | |
260 | \r | |
261 | \r | |
262 | BOOLEAN\r | |
263 | EFIAPI\r | |
264 | PeiPcdGetBoolEx (\r | |
265 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 266 | IN UINTN ExTokenNumber\r |
878ddf1f | 267 | )\r |
268 | {\r | |
52e1905d | 269 | return *((BOOLEAN *) ExGetWorker (Guid, ExTokenNumber, sizeof (BOOLEAN)));\r |
878ddf1f | 270 | }\r |
271 | \r | |
272 | \r | |
273 | \r | |
274 | UINTN\r | |
275 | EFIAPI\r | |
276 | PeiPcdGetSizeEx (\r | |
277 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 278 | IN UINTN ExTokenNumber\r |
878ddf1f | 279 | )\r |
280 | {\r | |
9d6d8b24 | 281 | return PeiPcdGetSize (GetExPcdTokenNumber (Guid, ExTokenNumber));\r |
878ddf1f | 282 | }\r |
283 | \r | |
284 | \r | |
285 | \r | |
286 | EFI_STATUS\r | |
287 | EFIAPI\r | |
288 | PeiPcdSet8 (\r | |
8a43e8dd | 289 | IN UINTN TokenNumber,\r |
1de04b4f | 290 | IN UINT8 Value\r |
878ddf1f | 291 | )\r |
292 | {\r | |
1de04b4f | 293 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r |
878ddf1f | 294 | }\r |
295 | \r | |
296 | \r | |
297 | \r | |
298 | EFI_STATUS\r | |
299 | EFIAPI\r | |
300 | PeiPcdSet16 (\r | |
1de04b4f | 301 | IN UINTN TokenNumber,\r |
302 | IN UINT16 Value\r | |
878ddf1f | 303 | )\r |
304 | {\r | |
1de04b4f | 305 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r |
878ddf1f | 306 | }\r |
307 | \r | |
308 | \r | |
309 | \r | |
310 | EFI_STATUS\r | |
311 | EFIAPI\r | |
312 | PeiPcdSet32 (\r | |
1de04b4f | 313 | IN UINTN TokenNumber,\r |
314 | IN UINT32 Value\r | |
878ddf1f | 315 | )\r |
316 | {\r | |
1de04b4f | 317 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r |
878ddf1f | 318 | }\r |
319 | \r | |
320 | \r | |
321 | \r | |
322 | EFI_STATUS\r | |
323 | EFIAPI\r | |
324 | PeiPcdSet64 (\r | |
1de04b4f | 325 | IN UINTN TokenNumber,\r |
326 | IN UINT64 Value\r | |
878ddf1f | 327 | )\r |
328 | {\r | |
1de04b4f | 329 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r |
878ddf1f | 330 | }\r |
331 | \r | |
332 | \r | |
333 | EFI_STATUS\r | |
334 | EFIAPI\r | |
335 | PeiPcdSetPtr (\r | |
1de04b4f | 336 | IN UINTN TokenNumber,\r |
337 | IN OUT UINTN *SizeOfBuffer,\r | |
338 | IN VOID *Buffer\r | |
878ddf1f | 339 | )\r |
340 | {\r | |
00b7af13 | 341 | return SetWorker (TokenNumber, Buffer, SizeOfBuffer, TRUE);\r |
878ddf1f | 342 | }\r |
343 | \r | |
344 | \r | |
345 | \r | |
346 | EFI_STATUS\r | |
347 | EFIAPI\r | |
348 | PeiPcdSetBool (\r | |
1de04b4f | 349 | IN UINTN TokenNumber,\r |
350 | IN BOOLEAN Value\r | |
878ddf1f | 351 | )\r |
352 | {\r | |
1de04b4f | 353 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r |
878ddf1f | 354 | }\r |
355 | \r | |
356 | \r | |
357 | \r | |
358 | EFI_STATUS\r | |
359 | EFIAPI\r | |
360 | PeiPcdSet8Ex (\r | |
361 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 362 | IN UINTN ExTokenNumber,\r |
878ddf1f | 363 | IN UINT8 Value\r |
364 | )\r | |
365 | {\r | |
1de04b4f | 366 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r |
878ddf1f | 367 | }\r |
368 | \r | |
369 | \r | |
370 | \r | |
371 | EFI_STATUS\r | |
372 | EFIAPI\r | |
373 | PeiPcdSet16Ex (\r | |
374 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 375 | IN UINTN ExTokenNumber,\r |
878ddf1f | 376 | IN UINT16 Value\r |
377 | )\r | |
378 | {\r | |
1de04b4f | 379 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r |
878ddf1f | 380 | }\r |
381 | \r | |
382 | \r | |
383 | \r | |
384 | EFI_STATUS\r | |
385 | EFIAPI\r | |
386 | PeiPcdSet32Ex (\r | |
387 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 388 | IN UINTN ExTokenNumber,\r |
878ddf1f | 389 | IN UINT32 Value\r |
390 | )\r | |
391 | {\r | |
1de04b4f | 392 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r |
878ddf1f | 393 | }\r |
394 | \r | |
395 | \r | |
396 | \r | |
397 | EFI_STATUS\r | |
398 | EFIAPI\r | |
399 | PeiPcdSet64Ex (\r | |
400 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 401 | IN UINTN ExTokenNumber,\r |
878ddf1f | 402 | IN UINT64 Value\r |
403 | )\r | |
404 | {\r | |
1de04b4f | 405 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r |
878ddf1f | 406 | }\r |
407 | \r | |
408 | \r | |
409 | \r | |
410 | EFI_STATUS\r | |
411 | EFIAPI\r | |
412 | PeiPcdSetPtrEx (\r | |
413 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 414 | IN UINTN ExTokenNumber,\r |
1de04b4f | 415 | IN UINTN *SizeOfBuffer,\r |
00b7af13 | 416 | IN VOID *Value\r |
878ddf1f | 417 | )\r |
418 | {\r | |
1de04b4f | 419 | return ExSetWorker (ExTokenNumber, Guid, Value, SizeOfBuffer, TRUE);\r |
878ddf1f | 420 | }\r |
421 | \r | |
422 | \r | |
423 | \r | |
424 | EFI_STATUS\r | |
425 | EFIAPI\r | |
426 | PeiPcdSetBoolEx (\r | |
427 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 428 | IN UINTN ExTokenNumber,\r |
878ddf1f | 429 | IN BOOLEAN Value\r |
430 | )\r | |
431 | {\r | |
1de04b4f | 432 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r |
878ddf1f | 433 | }\r |
434 | \r | |
435 | \r | |
436 | \r | |
437 | \r | |
438 | EFI_STATUS\r | |
439 | EFIAPI\r | |
4c114006 | 440 | PeiRegisterCallBackOnSet (\r |
8a43e8dd | 441 | IN UINTN ExTokenNumber,\r |
878ddf1f | 442 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
443 | IN PCD_PPI_CALLBACK CallBackFunction\r | |
444 | )\r | |
445 | {\r | |
4c114006 | 446 | ASSERT (CallBackFunction != NULL);\r |
447 | \r | |
52e1905d | 448 | return PeiRegisterCallBackWorker (ExTokenNumber, Guid, CallBackFunction, TRUE);\r |
878ddf1f | 449 | }\r |
450 | \r | |
451 | \r | |
452 | \r | |
453 | EFI_STATUS\r | |
454 | EFIAPI\r | |
455 | PcdUnRegisterCallBackOnSet (\r | |
8a43e8dd | 456 | IN UINTN ExTokenNumber,\r |
878ddf1f | 457 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
458 | IN PCD_PPI_CALLBACK CallBackFunction\r | |
459 | )\r | |
460 | {\r | |
4c114006 | 461 | ASSERT (CallBackFunction != NULL);\r |
462 | \r | |
52e1905d | 463 | return PeiRegisterCallBackWorker (ExTokenNumber, Guid, CallBackFunction, FALSE);\r |
878ddf1f | 464 | }\r |
465 | \r | |
466 | \r | |
467 | \r | |
468 | EFI_STATUS\r | |
469 | EFIAPI\r | |
470 | PeiPcdGetNextToken (\r | |
471 | IN CONST EFI_GUID *Guid, OPTIONAL\r | |
8a43e8dd | 472 | IN OUT UINTN *TokenNumber\r |
878ddf1f | 473 | )\r |
474 | {\r | |
00b7af13 | 475 | UINTN GuidTableIdx;\r |
476 | PEI_PCD_DATABASE *PeiPcdDb;\r | |
477 | EFI_GUID *MatchGuid;\r | |
478 | DYNAMICEX_MAPPING *ExMapTable;\r | |
479 | UINTN i;\r | |
480 | BOOLEAN Found;\r | |
481 | \r | |
52e1905d | 482 | if (Guid == NULL) {\r |
b560bb65 | 483 | (*TokenNumber)++;\r |
c24ba2f6 | 484 | if (*TokenNumber > PEI_NEX_TOKEN_NUMBER) {\r |
0653eb89 | 485 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r |
52e1905d | 486 | }\r |
c24ba2f6 | 487 | return EFI_SUCCESS;\r |
00b7af13 | 488 | } else {\r |
00b7af13 | 489 | if (PEI_EXMAP_TABLE_EMPTY) {\r |
0653eb89 | 490 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r |
c24ba2f6 | 491 | return EFI_SUCCESS;\r |
00b7af13 | 492 | }\r |
493 | \r | |
494 | //\r | |
495 | // Assume PCD Database AutoGen tool is sorting the ExMap based on the following order\r | |
496 | // 1) ExGuid\r | |
497 | // 2) ExTokenNumber\r | |
498 | //\r | |
499 | PeiPcdDb = GetPcdDatabase ();\r | |
500 | \r | |
501 | MatchGuid = ScanGuid (PeiPcdDb->Init.GuidTable, sizeof(PeiPcdDb->Init.GuidTable), Guid);\r | |
502 | \r | |
503 | if (MatchGuid == NULL) {\r | |
c24ba2f6 | 504 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r |
00b7af13 | 505 | return EFI_NOT_FOUND;\r |
506 | }\r | |
507 | \r | |
508 | GuidTableIdx = MatchGuid - PeiPcdDb->Init.GuidTable;\r | |
509 | \r | |
510 | ExMapTable = PeiPcdDb->Init.ExMapTable;\r | |
511 | \r | |
512 | Found = FALSE;\r | |
c24ba2f6 | 513 | //\r |
514 | // Locate the GUID in ExMapTable first.\r | |
515 | //\r | |
00b7af13 | 516 | for (i = 0; i < PEI_EXMAPPING_TABLE_SIZE; i++) {\r |
517 | if (ExMapTable[i].ExGuidIndex == GuidTableIdx) {\r | |
518 | Found = TRUE;\r | |
519 | break;\r | |
520 | }\r | |
521 | }\r | |
522 | \r | |
523 | if (Found) {\r | |
524 | if (*TokenNumber == PCD_INVALID_TOKEN_NUMBER) {\r | |
525 | *TokenNumber = ExMapTable[i].ExTokenNumber;\r | |
526 | return EFI_SUCCESS;\r | |
527 | }\r | |
c24ba2f6 | 528 | \r |
529 | for ( ; i < PEI_EXMAPPING_TABLE_SIZE; i++) {\r | |
00b7af13 | 530 | if (ExMapTable[i].ExTokenNumber == *TokenNumber) {\r |
531 | i++;\r | |
c24ba2f6 | 532 | if (i == PEI_EXMAPPING_TABLE_SIZE) {\r |
533 | //\r | |
534 | // Exceed the length of ExMap Table\r | |
535 | //\r | |
536 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r | |
537 | return EFI_SUCCESS;\r | |
538 | }\r | |
00b7af13 | 539 | if (ExMapTable[i].ExGuidIndex == GuidTableIdx) {\r |
540 | *TokenNumber = ExMapTable[i].ExTokenNumber;\r | |
541 | return EFI_SUCCESS;\r | |
542 | } else {\r | |
c24ba2f6 | 543 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r |
00b7af13 | 544 | return EFI_SUCCESS;\r |
545 | }\r | |
546 | }\r | |
547 | }\r | |
00b7af13 | 548 | return EFI_NOT_FOUND;\r |
549 | }\r | |
00b7af13 | 550 | }\r |
551 | \r | |
c24ba2f6 | 552 | return EFI_NOT_FOUND;\r |
00b7af13 | 553 | }\r |
554 | \r | |
1de04b4f | 555 | \r |
556 | \r | |
58f1099f | 557 | EFI_STATUS\r |
00b7af13 | 558 | EFIAPI\r |
4276d5da | 559 | PeiPcdGetNextTokenSpace (\r |
58f1099f | 560 | IN OUT CONST EFI_GUID **Guid\r |
00b7af13 | 561 | )\r |
562 | {\r | |
563 | UINTN GuidTableIdx;\r | |
564 | EFI_GUID *MatchGuid;\r | |
565 | PEI_PCD_DATABASE *PeiPcdDb;\r | |
566 | DYNAMICEX_MAPPING *ExMapTable;\r | |
567 | UINTN i;\r | |
568 | BOOLEAN Found;\r | |
569 | \r | |
4276d5da | 570 | ASSERT (Guid != NULL);\r |
571 | \r | |
572 | if (PEI_EXMAP_TABLE_EMPTY) {\r | |
573 | if (*Guid != NULL) {\r | |
574 | return EFI_NOT_FOUND;\r | |
58f1099f | 575 | } else {\r |
58f1099f | 576 | return EFI_SUCCESS;\r |
577 | }\r | |
4276d5da | 578 | }\r |
52e1905d | 579 | \r |
580 | //\r | |
00b7af13 | 581 | // Assume PCD Database AutoGen tool is sorting the ExMap based on the following order\r |
582 | // 1) ExGuid\r | |
583 | // 2) ExTokenNumber\r | |
52e1905d | 584 | //\r |
00b7af13 | 585 | PeiPcdDb = GetPcdDatabase ();\r |
52e1905d | 586 | \r |
4276d5da | 587 | ExMapTable = PeiPcdDb->Init.ExMapTable;\r |
588 | \r | |
589 | if (*Guid == NULL) {\r | |
590 | //\r | |
591 | // return the first Token Space Guid.\r | |
592 | //\r | |
593 | *Guid = &PeiPcdDb->Init.GuidTable[ExMapTable[0].ExGuidIndex];\r | |
594 | return EFI_SUCCESS;\r | |
595 | }\r | |
596 | \r | |
58f1099f | 597 | MatchGuid = ScanGuid (PeiPcdDb->Init.GuidTable, sizeof(PeiPcdDb->Init.GuidTable), *Guid);\r |
00b7af13 | 598 | \r |
599 | if (MatchGuid == NULL) {\r | |
58f1099f | 600 | return EFI_NOT_FOUND;\r |
00b7af13 | 601 | }\r |
602 | \r | |
603 | GuidTableIdx = MatchGuid - PeiPcdDb->Init.GuidTable;\r | |
878ddf1f | 604 | \r |
00b7af13 | 605 | Found = FALSE;\r |
606 | for (i = 0; i < PEI_EXMAPPING_TABLE_SIZE; i++) {\r | |
607 | if (ExMapTable[i].ExGuidIndex == GuidTableIdx) {\r | |
608 | Found = TRUE;\r | |
609 | break;\r | |
610 | }\r | |
611 | }\r | |
612 | \r | |
613 | if (Found) {\r | |
4276d5da | 614 | i++;\r |
00b7af13 | 615 | for ( ; i < PEI_EXMAPPING_TABLE_SIZE; i++ ) {\r |
616 | if (ExMapTable[i].ExGuidIndex != GuidTableIdx ) {\r | |
58f1099f | 617 | *Guid = &PeiPcdDb->Init.GuidTable[ExMapTable[i].ExGuidIndex];\r |
618 | return EFI_SUCCESS;\r | |
00b7af13 | 619 | }\r |
620 | }\r | |
4276d5da | 621 | *Guid = NULL;\r |
622 | return EFI_SUCCESS;\r | |
00b7af13 | 623 | }\r |
624 | \r | |
58f1099f | 625 | return EFI_NOT_FOUND;\r |
00b7af13 | 626 | \r |
627 | }\r | |
878ddf1f | 628 | \r |