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Commit | Line | Data |
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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 | |
5f5f28c9 | 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 | |
5f5f28c9 | 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 | |
5f5f28c9 | 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 | |
5f5f28c9 | 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 | |
5f5f28c9 | 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 | |
5f5f28c9 | 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 | |
5f5f28c9 | 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 | |
5f5f28c9 | 177 | //\r |
178 | // If DebugAssertEnabled is TRUE, we still need to provide the GET size\r | |
179 | // function as GetWorker and SetWoker need this function to do ASSERT.\r | |
180 | //\r | |
181 | if ((!FeaturePcdGet(PcdPeiPcdDatabaseGetSizeEnabled)) &&\r | |
182 | (!DebugAssertEnabled ())) {\r | |
183 | return 0;\r | |
f89f5802 | 184 | }\r |
185 | \r | |
1de04b4f | 186 | PeiPcdDb = GetPcdDatabase ();\r |
58f1099f | 187 | //\r |
188 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
189 | // We have to decrement TokenNumber by 1 to make it usable\r | |
190 | // as the array index.\r | |
191 | //\r | |
192 | TokenNumber--;\r | |
193 | \r | |
4f914125 | 194 | // EBC compiler is very choosy. It may report warning about comparison\r |
195 | // between UINTN and 0 . So we add 1 in each size of the \r | |
196 | // comparison.\r | |
197 | ASSERT (TokenNumber + 1 < PEI_LOCAL_TOKEN_NUMBER + 1);\r | |
52e1905d | 198 | \r |
1de04b4f | 199 | Size = (PeiPcdDb->Init.LocalTokenNumberTable[TokenNumber] & PCD_DATUM_TYPE_ALL_SET) >> PCD_DATUM_TYPE_SHIFT;\r |
200 | \r | |
201 | if (Size == 0) {\r | |
202 | //\r | |
203 | // For pointer type, we need to scan the SIZE_TABLE to get the current size.\r | |
204 | //\r | |
205 | return GetPtrTypeSize (TokenNumber, &MaxSize, PeiPcdDb);\r | |
206 | } else {\r | |
207 | return Size;\r | |
208 | }\r | |
209 | \r | |
878ddf1f | 210 | }\r |
211 | \r | |
212 | \r | |
213 | \r | |
214 | UINT8\r | |
215 | EFIAPI\r | |
216 | PeiPcdGet8Ex (\r | |
5f5f28c9 | 217 | IN CONST EFI_GUID *Guid,\r |
218 | IN UINTN ExTokenNumber\r | |
878ddf1f | 219 | )\r |
220 | {\r | |
52e1905d | 221 | return *((UINT8 *) ExGetWorker (Guid, ExTokenNumber, sizeof (UINT8)));\r |
878ddf1f | 222 | }\r |
223 | \r | |
224 | \r | |
225 | \r | |
226 | UINT16\r | |
227 | EFIAPI\r | |
228 | PeiPcdGet16Ex (\r | |
5f5f28c9 | 229 | IN CONST EFI_GUID *Guid,\r |
230 | IN UINTN ExTokenNumber\r | |
878ddf1f | 231 | )\r |
232 | {\r | |
52e1905d | 233 | return ReadUnaligned16 (ExGetWorker (Guid, ExTokenNumber, sizeof (UINT16)));\r |
878ddf1f | 234 | }\r |
235 | \r | |
236 | \r | |
237 | \r | |
238 | UINT32\r | |
239 | EFIAPI\r | |
240 | PeiPcdGet32Ex (\r | |
5f5f28c9 | 241 | IN CONST EFI_GUID *Guid,\r |
242 | IN UINTN ExTokenNumber\r | |
878ddf1f | 243 | )\r |
244 | {\r | |
52e1905d | 245 | return ReadUnaligned32 (ExGetWorker (Guid, ExTokenNumber, sizeof (UINT32)));\r |
878ddf1f | 246 | }\r |
247 | \r | |
248 | \r | |
249 | \r | |
250 | UINT64\r | |
251 | EFIAPI\r | |
252 | PeiPcdGet64Ex (\r | |
5f5f28c9 | 253 | IN CONST EFI_GUID *Guid,\r |
254 | IN UINTN ExTokenNumber\r | |
878ddf1f | 255 | )\r |
256 | {\r | |
52e1905d | 257 | return ReadUnaligned64 (ExGetWorker (Guid, ExTokenNumber, sizeof (UINT64)));\r |
878ddf1f | 258 | }\r |
259 | \r | |
260 | \r | |
261 | \r | |
262 | VOID *\r | |
263 | EFIAPI\r | |
264 | PeiPcdGetPtrEx (\r | |
5f5f28c9 | 265 | IN CONST EFI_GUID *Guid,\r |
266 | IN UINTN ExTokenNumber\r | |
878ddf1f | 267 | )\r |
268 | {\r | |
52e1905d | 269 | return ExGetWorker (Guid, ExTokenNumber, 0);\r |
878ddf1f | 270 | }\r |
271 | \r | |
272 | \r | |
273 | \r | |
274 | BOOLEAN\r | |
275 | EFIAPI\r | |
276 | PeiPcdGetBoolEx (\r | |
5f5f28c9 | 277 | IN CONST EFI_GUID *Guid,\r |
278 | IN UINTN ExTokenNumber\r | |
878ddf1f | 279 | )\r |
280 | {\r | |
52e1905d | 281 | return *((BOOLEAN *) ExGetWorker (Guid, ExTokenNumber, sizeof (BOOLEAN)));\r |
878ddf1f | 282 | }\r |
283 | \r | |
284 | \r | |
285 | \r | |
286 | UINTN\r | |
287 | EFIAPI\r | |
288 | PeiPcdGetSizeEx (\r | |
5f5f28c9 | 289 | IN CONST EFI_GUID *Guid,\r |
290 | IN UINTN ExTokenNumber\r | |
878ddf1f | 291 | )\r |
292 | {\r | |
f89f5802 | 293 | if ((!FeaturePcdGet (PcdPeiPcdDatabaseGetSizeEnabled)) || !FeaturePcdGet (PcdPeiPcdDatabaseExEnabled)) {\r |
5f5f28c9 | 294 | return 0;\r |
f89f5802 | 295 | }\r |
296 | \r | |
9d6d8b24 | 297 | return PeiPcdGetSize (GetExPcdTokenNumber (Guid, ExTokenNumber));\r |
878ddf1f | 298 | }\r |
299 | \r | |
300 | \r | |
301 | \r | |
302 | EFI_STATUS\r | |
303 | EFIAPI\r | |
304 | PeiPcdSet8 (\r | |
8a43e8dd | 305 | IN UINTN TokenNumber,\r |
1de04b4f | 306 | IN UINT8 Value\r |
878ddf1f | 307 | )\r |
308 | {\r | |
1de04b4f | 309 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r |
878ddf1f | 310 | }\r |
311 | \r | |
312 | \r | |
313 | \r | |
314 | EFI_STATUS\r | |
315 | EFIAPI\r | |
316 | PeiPcdSet16 (\r | |
5f5f28c9 | 317 | IN UINTN TokenNumber,\r |
318 | IN UINT16 Value\r | |
878ddf1f | 319 | )\r |
320 | {\r | |
1de04b4f | 321 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r |
878ddf1f | 322 | }\r |
323 | \r | |
324 | \r | |
325 | \r | |
326 | EFI_STATUS\r | |
327 | EFIAPI\r | |
328 | PeiPcdSet32 (\r | |
5f5f28c9 | 329 | IN UINTN TokenNumber,\r |
330 | IN UINT32 Value\r | |
878ddf1f | 331 | )\r |
332 | {\r | |
1de04b4f | 333 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r |
878ddf1f | 334 | }\r |
335 | \r | |
336 | \r | |
337 | \r | |
338 | EFI_STATUS\r | |
339 | EFIAPI\r | |
340 | PeiPcdSet64 (\r | |
5f5f28c9 | 341 | IN UINTN TokenNumber,\r |
342 | IN UINT64 Value\r | |
878ddf1f | 343 | )\r |
344 | {\r | |
1de04b4f | 345 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r |
878ddf1f | 346 | }\r |
347 | \r | |
348 | \r | |
349 | EFI_STATUS\r | |
350 | EFIAPI\r | |
351 | PeiPcdSetPtr (\r | |
5f5f28c9 | 352 | IN UINTN TokenNumber,\r |
353 | IN OUT UINTN *SizeOfBuffer,\r | |
354 | IN VOID *Buffer\r | |
878ddf1f | 355 | )\r |
356 | {\r | |
00b7af13 | 357 | return SetWorker (TokenNumber, Buffer, SizeOfBuffer, TRUE);\r |
878ddf1f | 358 | }\r |
359 | \r | |
360 | \r | |
361 | \r | |
362 | EFI_STATUS\r | |
363 | EFIAPI\r | |
364 | PeiPcdSetBool (\r | |
5f5f28c9 | 365 | IN UINTN TokenNumber,\r |
366 | IN BOOLEAN Value\r | |
878ddf1f | 367 | )\r |
368 | {\r | |
1de04b4f | 369 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r |
878ddf1f | 370 | }\r |
371 | \r | |
372 | \r | |
373 | \r | |
374 | EFI_STATUS\r | |
375 | EFIAPI\r | |
376 | PeiPcdSet8Ex (\r | |
5f5f28c9 | 377 | IN CONST EFI_GUID *Guid,\r |
378 | IN UINTN ExTokenNumber,\r | |
379 | IN UINT8 Value\r | |
878ddf1f | 380 | )\r |
381 | {\r | |
1de04b4f | 382 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r |
878ddf1f | 383 | }\r |
384 | \r | |
385 | \r | |
386 | \r | |
387 | EFI_STATUS\r | |
388 | EFIAPI\r | |
389 | PeiPcdSet16Ex (\r | |
5f5f28c9 | 390 | IN CONST EFI_GUID *Guid,\r |
391 | IN UINTN ExTokenNumber,\r | |
392 | IN UINT16 Value\r | |
878ddf1f | 393 | )\r |
394 | {\r | |
1de04b4f | 395 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r |
878ddf1f | 396 | }\r |
397 | \r | |
398 | \r | |
399 | \r | |
400 | EFI_STATUS\r | |
401 | EFIAPI\r | |
402 | PeiPcdSet32Ex (\r | |
5f5f28c9 | 403 | IN CONST EFI_GUID *Guid,\r |
404 | IN UINTN ExTokenNumber,\r | |
405 | IN UINT32 Value\r | |
878ddf1f | 406 | )\r |
407 | {\r | |
1de04b4f | 408 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r |
878ddf1f | 409 | }\r |
410 | \r | |
411 | \r | |
412 | \r | |
413 | EFI_STATUS\r | |
414 | EFIAPI\r | |
415 | PeiPcdSet64Ex (\r | |
5f5f28c9 | 416 | IN CONST EFI_GUID *Guid,\r |
417 | IN UINTN ExTokenNumber,\r | |
418 | IN UINT64 Value\r | |
878ddf1f | 419 | )\r |
420 | {\r | |
1de04b4f | 421 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r |
878ddf1f | 422 | }\r |
423 | \r | |
424 | \r | |
425 | \r | |
426 | EFI_STATUS\r | |
427 | EFIAPI\r | |
428 | PeiPcdSetPtrEx (\r | |
5f5f28c9 | 429 | IN CONST EFI_GUID *Guid,\r |
430 | IN UINTN ExTokenNumber,\r | |
431 | IN UINTN *SizeOfBuffer,\r | |
432 | IN VOID *Value\r | |
878ddf1f | 433 | )\r |
434 | {\r | |
1de04b4f | 435 | return ExSetWorker (ExTokenNumber, Guid, Value, SizeOfBuffer, TRUE);\r |
878ddf1f | 436 | }\r |
437 | \r | |
438 | \r | |
439 | \r | |
440 | EFI_STATUS\r | |
441 | EFIAPI\r | |
442 | PeiPcdSetBoolEx (\r | |
5f5f28c9 | 443 | IN CONST EFI_GUID *Guid,\r |
444 | IN UINTN ExTokenNumber,\r | |
445 | IN BOOLEAN Value\r | |
878ddf1f | 446 | )\r |
447 | {\r | |
1de04b4f | 448 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r |
878ddf1f | 449 | }\r |
450 | \r | |
451 | \r | |
452 | \r | |
453 | \r | |
454 | EFI_STATUS\r | |
455 | EFIAPI\r | |
4c114006 | 456 | PeiRegisterCallBackOnSet (\r |
878ddf1f | 457 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
2a870f53 | 458 | IN UINTN ExTokenNumber,\r |
878ddf1f | 459 | IN PCD_PPI_CALLBACK CallBackFunction\r |
460 | )\r | |
461 | {\r | |
f89f5802 | 462 | if (!FeaturePcdGet(PcdPeiPcdDatabaseCallbackOnSetEnabled)) {\r |
463 | return EFI_UNSUPPORTED;\r | |
464 | }\r | |
465 | \r | |
4c114006 | 466 | ASSERT (CallBackFunction != NULL);\r |
467 | \r | |
52e1905d | 468 | return PeiRegisterCallBackWorker (ExTokenNumber, Guid, CallBackFunction, TRUE);\r |
878ddf1f | 469 | }\r |
470 | \r | |
471 | \r | |
472 | \r | |
473 | EFI_STATUS\r | |
474 | EFIAPI\r | |
475 | PcdUnRegisterCallBackOnSet (\r | |
878ddf1f | 476 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
2a870f53 | 477 | IN UINTN ExTokenNumber,\r |
878ddf1f | 478 | IN PCD_PPI_CALLBACK CallBackFunction\r |
479 | )\r | |
480 | {\r | |
f89f5802 | 481 | if (!FeaturePcdGet(PcdPeiPcdDatabaseCallbackOnSetEnabled)) {\r |
482 | return EFI_UNSUPPORTED;\r | |
483 | }\r | |
484 | \r | |
4c114006 | 485 | ASSERT (CallBackFunction != NULL);\r |
486 | \r | |
52e1905d | 487 | return PeiRegisterCallBackWorker (ExTokenNumber, Guid, CallBackFunction, FALSE);\r |
878ddf1f | 488 | }\r |
489 | \r | |
490 | \r | |
491 | \r | |
492 | EFI_STATUS\r | |
493 | EFIAPI\r | |
494 | PeiPcdGetNextToken (\r | |
495 | IN CONST EFI_GUID *Guid, OPTIONAL\r | |
8a43e8dd | 496 | IN OUT UINTN *TokenNumber\r |
878ddf1f | 497 | )\r |
498 | {\r | |
00b7af13 | 499 | UINTN GuidTableIdx;\r |
500 | PEI_PCD_DATABASE *PeiPcdDb;\r | |
501 | EFI_GUID *MatchGuid;\r | |
502 | DYNAMICEX_MAPPING *ExMapTable;\r | |
503 | UINTN i;\r | |
504 | BOOLEAN Found;\r | |
1cc8ee78 | 505 | BOOLEAN PeiExMapTableEmpty;\r |
506 | \r | |
4f914125 | 507 | if (!FeaturePcdGet (PcdPeiPcdDatabaseTraverseEnabled)) {\r |
508 | return EFI_UNSUPPORTED;\r | |
509 | }\r | |
1cc8ee78 | 510 | \r |
511 | PeiExMapTableEmpty = PEI_EXMAP_TABLE_EMPTY;\r | |
512 | \r | |
52e1905d | 513 | if (Guid == NULL) {\r |
2b21a971 | 514 | if (*TokenNumber > PEI_NEX_TOKEN_NUMBER) {\r |
515 | return EFI_NOT_FOUND;\r | |
516 | }\r | |
b560bb65 | 517 | (*TokenNumber)++;\r |
c24ba2f6 | 518 | if (*TokenNumber > PEI_NEX_TOKEN_NUMBER) {\r |
0653eb89 | 519 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r |
52e1905d | 520 | }\r |
c24ba2f6 | 521 | return EFI_SUCCESS;\r |
00b7af13 | 522 | } else {\r |
1cc8ee78 | 523 | if (PeiExMapTableEmpty) {\r |
0653eb89 | 524 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r |
c24ba2f6 | 525 | return EFI_SUCCESS;\r |
00b7af13 | 526 | }\r |
527 | \r | |
528 | //\r | |
529 | // Assume PCD Database AutoGen tool is sorting the ExMap based on the following order\r | |
530 | // 1) ExGuid\r | |
531 | // 2) ExTokenNumber\r | |
532 | //\r | |
533 | PeiPcdDb = GetPcdDatabase ();\r | |
534 | \r | |
535 | MatchGuid = ScanGuid (PeiPcdDb->Init.GuidTable, sizeof(PeiPcdDb->Init.GuidTable), Guid);\r | |
536 | \r | |
537 | if (MatchGuid == NULL) {\r | |
c24ba2f6 | 538 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r |
00b7af13 | 539 | return EFI_NOT_FOUND;\r |
540 | }\r | |
541 | \r | |
542 | GuidTableIdx = MatchGuid - PeiPcdDb->Init.GuidTable;\r | |
543 | \r | |
544 | ExMapTable = PeiPcdDb->Init.ExMapTable;\r | |
545 | \r | |
546 | Found = FALSE;\r | |
c24ba2f6 | 547 | //\r |
548 | // Locate the GUID in ExMapTable first.\r | |
549 | //\r | |
00b7af13 | 550 | for (i = 0; i < PEI_EXMAPPING_TABLE_SIZE; i++) {\r |
551 | if (ExMapTable[i].ExGuidIndex == GuidTableIdx) {\r | |
552 | Found = TRUE;\r | |
553 | break;\r | |
554 | }\r | |
555 | }\r | |
556 | \r | |
557 | if (Found) {\r | |
558 | if (*TokenNumber == PCD_INVALID_TOKEN_NUMBER) {\r | |
559 | *TokenNumber = ExMapTable[i].ExTokenNumber;\r | |
560 | return EFI_SUCCESS;\r | |
561 | }\r | |
c24ba2f6 | 562 | \r |
563 | for ( ; i < PEI_EXMAPPING_TABLE_SIZE; i++) {\r | |
00b7af13 | 564 | if (ExMapTable[i].ExTokenNumber == *TokenNumber) {\r |
565 | i++;\r | |
c24ba2f6 | 566 | if (i == PEI_EXMAPPING_TABLE_SIZE) {\r |
567 | //\r | |
568 | // Exceed the length of ExMap Table\r | |
569 | //\r | |
570 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r | |
571 | return EFI_SUCCESS;\r | |
572 | }\r | |
00b7af13 | 573 | if (ExMapTable[i].ExGuidIndex == GuidTableIdx) {\r |
574 | *TokenNumber = ExMapTable[i].ExTokenNumber;\r | |
575 | return EFI_SUCCESS;\r | |
576 | } else {\r | |
c24ba2f6 | 577 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r |
00b7af13 | 578 | return EFI_SUCCESS;\r |
579 | }\r | |
580 | }\r | |
581 | }\r | |
00b7af13 | 582 | return EFI_NOT_FOUND;\r |
583 | }\r | |
00b7af13 | 584 | }\r |
585 | \r | |
c24ba2f6 | 586 | return EFI_NOT_FOUND;\r |
00b7af13 | 587 | }\r |
588 | \r | |
1de04b4f | 589 | \r |
590 | \r | |
58f1099f | 591 | EFI_STATUS\r |
00b7af13 | 592 | EFIAPI\r |
4276d5da | 593 | PeiPcdGetNextTokenSpace (\r |
5f5f28c9 | 594 | IN OUT CONST EFI_GUID **Guid\r |
00b7af13 | 595 | )\r |
596 | {\r | |
597 | UINTN GuidTableIdx;\r | |
598 | EFI_GUID *MatchGuid;\r | |
599 | PEI_PCD_DATABASE *PeiPcdDb;\r | |
600 | DYNAMICEX_MAPPING *ExMapTable;\r | |
601 | UINTN i;\r | |
602 | BOOLEAN Found;\r | |
1cc8ee78 | 603 | BOOLEAN PeiExMapTableEmpty;\r |
00b7af13 | 604 | \r |
4f914125 | 605 | if (!FeaturePcdGet (PcdPeiPcdDatabaseTraverseEnabled)) {\r |
606 | return EFI_UNSUPPORTED;\r | |
607 | }\r | |
608 | \r | |
4276d5da | 609 | ASSERT (Guid != NULL);\r |
610 | \r | |
1cc8ee78 | 611 | PeiExMapTableEmpty = PEI_EXMAP_TABLE_EMPTY;\r |
612 | \r | |
613 | if (PeiExMapTableEmpty) {\r | |
4276d5da | 614 | if (*Guid != NULL) {\r |
615 | return EFI_NOT_FOUND;\r | |
58f1099f | 616 | } else {\r |
58f1099f | 617 | return EFI_SUCCESS;\r |
618 | }\r | |
4276d5da | 619 | }\r |
52e1905d | 620 | \r |
621 | //\r | |
00b7af13 | 622 | // Assume PCD Database AutoGen tool is sorting the ExMap based on the following order\r |
623 | // 1) ExGuid\r | |
624 | // 2) ExTokenNumber\r | |
52e1905d | 625 | //\r |
00b7af13 | 626 | PeiPcdDb = GetPcdDatabase ();\r |
52e1905d | 627 | \r |
4276d5da | 628 | ExMapTable = PeiPcdDb->Init.ExMapTable;\r |
629 | \r | |
630 | if (*Guid == NULL) {\r | |
631 | //\r | |
632 | // return the first Token Space Guid.\r | |
633 | //\r | |
634 | *Guid = &PeiPcdDb->Init.GuidTable[ExMapTable[0].ExGuidIndex];\r | |
635 | return EFI_SUCCESS;\r | |
636 | }\r | |
637 | \r | |
58f1099f | 638 | MatchGuid = ScanGuid (PeiPcdDb->Init.GuidTable, sizeof(PeiPcdDb->Init.GuidTable), *Guid);\r |
00b7af13 | 639 | \r |
640 | if (MatchGuid == NULL) {\r | |
58f1099f | 641 | return EFI_NOT_FOUND;\r |
00b7af13 | 642 | }\r |
643 | \r | |
644 | GuidTableIdx = MatchGuid - PeiPcdDb->Init.GuidTable;\r | |
878ddf1f | 645 | \r |
00b7af13 | 646 | Found = FALSE;\r |
647 | for (i = 0; i < PEI_EXMAPPING_TABLE_SIZE; i++) {\r | |
648 | if (ExMapTable[i].ExGuidIndex == GuidTableIdx) {\r | |
649 | Found = TRUE;\r | |
650 | break;\r | |
651 | }\r | |
652 | }\r | |
653 | \r | |
654 | if (Found) {\r | |
4276d5da | 655 | i++;\r |
00b7af13 | 656 | for ( ; i < PEI_EXMAPPING_TABLE_SIZE; i++ ) {\r |
657 | if (ExMapTable[i].ExGuidIndex != GuidTableIdx ) {\r | |
58f1099f | 658 | *Guid = &PeiPcdDb->Init.GuidTable[ExMapTable[i].ExGuidIndex];\r |
659 | return EFI_SUCCESS;\r | |
00b7af13 | 660 | }\r |
661 | }\r | |
4276d5da | 662 | *Guid = NULL;\r |
663 | return EFI_SUCCESS;\r | |
00b7af13 | 664 | }\r |
665 | \r | |
58f1099f | 666 | return EFI_NOT_FOUND;\r |
00b7af13 | 667 | \r |
668 | }\r | |
878ddf1f | 669 | \r |