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