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878ddf1f | 1 | /** @file\r |
2 | PCD DXE driver\r | |
3 | \r | |
4 | Copyright (c) 2006, Intel Corporation\r | |
5 | All rights reserved. This program and the accompanying materials\r | |
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 | Module Name: Pcd.c\r | |
15 | \r | |
16 | **/\r | |
17 | \r | |
878ddf1f | 18 | #include "Service.h"\r |
19 | \r | |
20 | \r | |
21 | PCD_PROTOCOL mPcdInstance = {\r | |
22 | DxePcdSetSku,\r | |
23 | \r | |
24 | DxePcdGet8,\r | |
25 | DxePcdGet16,\r | |
26 | DxePcdGet32,\r | |
27 | DxePcdGet64,\r | |
28 | DxePcdGetPtr,\r | |
29 | DxePcdGetBool,\r | |
30 | DxePcdGetSize,\r | |
31 | \r | |
32 | DxePcdGet8Ex,\r | |
33 | DxePcdGet16Ex,\r | |
34 | DxePcdGet32Ex,\r | |
35 | DxePcdGet64Ex,\r | |
36 | DxePcdGetPtrEx,\r | |
37 | DxePcdGetBoolEx,\r | |
38 | DxePcdGetSizeEx,\r | |
39 | \r | |
40 | DxePcdSet8,\r | |
41 | DxePcdSet16,\r | |
42 | DxePcdSet32,\r | |
43 | DxePcdSet64,\r | |
44 | DxePcdSetPtr,\r | |
45 | DxePcdSetBool,\r | |
46 | \r | |
47 | DxePcdSet8Ex,\r | |
48 | DxePcdSet16Ex,\r | |
49 | DxePcdSet32Ex,\r | |
50 | DxePcdSet64Ex,\r | |
51 | DxePcdSetPtrEx,\r | |
52 | DxePcdSetBoolEx,\r | |
53 | \r | |
4c114006 | 54 | DxeRegisterCallBackOnSet,\r |
55 | DxeUnRegisterCallBackOnSet,\r | |
c24ba2f6 | 56 | DxePcdGetNextToken,\r |
57 | DxePcdGetNextTokenSpace\r | |
878ddf1f | 58 | };\r |
59 | \r | |
60 | \r | |
61 | //\r | |
62 | // Static global to reduce the code size\r | |
63 | //\r | |
64 | static EFI_HANDLE NewHandle = NULL;\r | |
65 | \r | |
66 | EFI_STATUS\r | |
67 | EFIAPI\r | |
68 | PcdDxeInit (\r | |
69 | IN EFI_HANDLE ImageHandle,\r | |
70 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
71 | )\r | |
72 | {\r | |
52e1905d | 73 | EFI_STATUS Status;\r |
74 | \r | |
75 | //\r | |
76 | // Make sure the Pcd Protocol is not already installed in the system\r | |
77 | //\r | |
4f242357 | 78 | \r |
52e1905d | 79 | ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gPcdProtocolGuid);\r |
2a505eac | 80 | \r |
52e1905d | 81 | BuildPcdDxeDataBase ();\r |
82 | \r | |
83 | //\r | |
84 | // BugBug Check if PcdDatabase is already installed.\r | |
85 | //\r | |
878ddf1f | 86 | \r |
87 | Status = gBS->InstallProtocolInterface (\r | |
88 | &NewHandle,\r | |
89 | &gPcdProtocolGuid,\r | |
90 | EFI_NATIVE_INTERFACE,\r | |
91 | &mPcdInstance\r | |
92 | );\r | |
93 | \r | |
94 | ASSERT_EFI_ERROR (Status);\r | |
95 | \r | |
96 | return EFI_SUCCESS;\r | |
97 | \r | |
98 | }\r | |
99 | \r | |
100 | \r | |
00b7af13 | 101 | VOID\r |
878ddf1f | 102 | EFIAPI\r |
103 | DxePcdSetSku (\r | |
8a43e8dd | 104 | IN UINTN SkuId\r |
878ddf1f | 105 | )\r |
106 | {\r | |
8a43e8dd | 107 | mPcdDatabase->PeiDb.Init.SystemSkuId = (SKU_ID) SkuId;\r |
00b7af13 | 108 | \r |
109 | return;\r | |
878ddf1f | 110 | }\r |
111 | \r | |
112 | \r | |
113 | \r | |
114 | UINT8\r | |
115 | EFIAPI\r | |
116 | DxePcdGet8 (\r | |
8a43e8dd | 117 | IN UINTN TokenNumber\r |
878ddf1f | 118 | )\r |
119 | {\r | |
9d6d8b24 | 120 | return *((UINT8 *) GetWorker (TokenNumber, sizeof (UINT8)));\r |
878ddf1f | 121 | }\r |
122 | \r | |
123 | \r | |
124 | \r | |
125 | UINT16\r | |
126 | EFIAPI\r | |
127 | DxePcdGet16 (\r | |
8a43e8dd | 128 | IN UINTN TokenNumber\r |
878ddf1f | 129 | )\r |
130 | {\r | |
9d6d8b24 | 131 | return ReadUnaligned16 (GetWorker (TokenNumber, sizeof (UINT16)));\r |
878ddf1f | 132 | }\r |
133 | \r | |
134 | \r | |
135 | \r | |
136 | UINT32\r | |
137 | EFIAPI\r | |
138 | DxePcdGet32 (\r | |
8a43e8dd | 139 | IN UINTN TokenNumber\r |
878ddf1f | 140 | )\r |
141 | {\r | |
9d6d8b24 | 142 | return ReadUnaligned32 (GetWorker (TokenNumber, sizeof (UINT32)));\r |
878ddf1f | 143 | }\r |
144 | \r | |
145 | \r | |
146 | \r | |
147 | UINT64\r | |
148 | EFIAPI\r | |
149 | DxePcdGet64 (\r | |
8a43e8dd | 150 | IN UINTN TokenNumber\r |
878ddf1f | 151 | )\r |
152 | {\r | |
9d6d8b24 | 153 | return ReadUnaligned64(GetWorker (TokenNumber, sizeof (UINT64)));\r |
878ddf1f | 154 | }\r |
155 | \r | |
156 | \r | |
157 | \r | |
158 | VOID *\r | |
159 | EFIAPI\r | |
160 | DxePcdGetPtr (\r | |
8a43e8dd | 161 | IN UINTN TokenNumber\r |
878ddf1f | 162 | )\r |
163 | {\r | |
9d6d8b24 | 164 | return GetWorker (TokenNumber, 0);\r |
878ddf1f | 165 | }\r |
166 | \r | |
167 | \r | |
168 | \r | |
169 | BOOLEAN\r | |
170 | EFIAPI\r | |
171 | DxePcdGetBool (\r | |
8a43e8dd | 172 | IN UINTN TokenNumber\r |
878ddf1f | 173 | )\r |
174 | {\r | |
9d6d8b24 | 175 | return *((BOOLEAN *) GetWorker (TokenNumber, sizeof (BOOLEAN)));\r |
878ddf1f | 176 | }\r |
177 | \r | |
178 | \r | |
179 | \r | |
180 | UINTN\r | |
181 | EFIAPI\r | |
182 | DxePcdGetSize (\r | |
8a43e8dd | 183 | IN UINTN TokenNumber\r |
878ddf1f | 184 | )\r |
185 | {\r | |
1de04b4f | 186 | UINTN Size;\r |
187 | UINT32 *LocalTokenNumberTable;\r | |
188 | BOOLEAN IsPeiDb;\r | |
189 | UINTN MaxSize;\r | |
190 | UINTN TmpTokenNumber;\r | |
58f1099f | 191 | //\r |
192 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
193 | // We have to decrement TokenNumber by 1 to make it usable\r | |
194 | // as the array index.\r | |
195 | //\r | |
196 | TokenNumber--;\r | |
1de04b4f | 197 | \r |
198 | //\r | |
199 | // Backup the TokenNumber passed in as GetPtrTypeSize need the original TokenNumber\r | |
200 | // \r | |
201 | TmpTokenNumber = TokenNumber;\r | |
202 | \r | |
203 | ASSERT (TokenNumber < PCD_TOTAL_TOKEN_NUMBER);\r | |
204 | \r | |
205 | IsPeiDb = (BOOLEAN) (TokenNumber < PEI_LOCAL_TOKEN_NUMBER);\r | |
58f1099f | 206 | \r |
1de04b4f | 207 | TokenNumber = IsPeiDb ? TokenNumber : \r |
208 | (TokenNumber - PEI_LOCAL_TOKEN_NUMBER);\r | |
52e1905d | 209 | \r |
1de04b4f | 210 | LocalTokenNumberTable = IsPeiDb ? mPcdDatabase->PeiDb.Init.LocalTokenNumberTable \r |
211 | : mPcdDatabase->DxeDb.Init.LocalTokenNumberTable;\r | |
52e1905d | 212 | \r |
1de04b4f | 213 | Size = (LocalTokenNumberTable[TokenNumber] & PCD_DATUM_TYPE_ALL_SET) >> PCD_DATUM_TYPE_SHIFT;\r |
214 | \r | |
215 | if (Size == 0) {\r | |
216 | //\r | |
217 | // For pointer type, we need to scan the SIZE_TABLE to get the current size.\r | |
218 | //\r | |
219 | return GetPtrTypeSize (TmpTokenNumber, &MaxSize);\r | |
220 | } else {\r | |
221 | return Size;\r | |
222 | }\r | |
52e1905d | 223 | \r |
878ddf1f | 224 | }\r |
225 | \r | |
226 | \r | |
227 | \r | |
228 | UINT8\r | |
229 | EFIAPI\r | |
230 | DxePcdGet8Ex (\r | |
52e1905d | 231 | IN CONST EFI_GUID *Guid,\r |
8a43e8dd | 232 | IN UINTN ExTokenNumber\r |
878ddf1f | 233 | )\r |
234 | {\r | |
52e1905d | 235 | return *((UINT8 *) ExGetWorker (Guid, ExTokenNumber, sizeof(UINT8)));\r |
878ddf1f | 236 | }\r |
237 | \r | |
238 | \r | |
239 | \r | |
240 | UINT16\r | |
241 | EFIAPI\r | |
242 | DxePcdGet16Ex (\r | |
243 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 244 | IN UINTN ExTokenNumber\r |
878ddf1f | 245 | )\r |
246 | {\r | |
9d6d8b24 | 247 | return ReadUnaligned16 (ExGetWorker (Guid, ExTokenNumber, sizeof(UINT16)));\r |
878ddf1f | 248 | }\r |
249 | \r | |
250 | \r | |
251 | \r | |
252 | UINT32\r | |
253 | EFIAPI\r | |
254 | DxePcdGet32Ex (\r | |
255 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 256 | IN UINTN ExTokenNumber\r |
878ddf1f | 257 | )\r |
258 | {\r | |
9d6d8b24 | 259 | return ReadUnaligned32 (ExGetWorker (Guid, ExTokenNumber, sizeof(UINT32)));\r |
878ddf1f | 260 | }\r |
261 | \r | |
262 | \r | |
263 | \r | |
264 | UINT64\r | |
265 | EFIAPI\r | |
266 | DxePcdGet64Ex (\r | |
267 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 268 | IN UINTN ExTokenNumber\r |
878ddf1f | 269 | )\r |
270 | {\r | |
9d6d8b24 | 271 | return ReadUnaligned64 (ExGetWorker (Guid, ExTokenNumber, sizeof(UINT64)));\r |
878ddf1f | 272 | }\r |
273 | \r | |
274 | \r | |
275 | \r | |
276 | VOID *\r | |
277 | EFIAPI\r | |
278 | DxePcdGetPtrEx (\r | |
279 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 280 | IN UINTN ExTokenNumber\r |
878ddf1f | 281 | )\r |
282 | {\r | |
1de04b4f | 283 | return ExGetWorker (Guid, ExTokenNumber, 0);\r |
878ddf1f | 284 | }\r |
285 | \r | |
286 | \r | |
287 | \r | |
288 | BOOLEAN\r | |
289 | EFIAPI\r | |
290 | DxePcdGetBoolEx (\r | |
291 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 292 | IN UINTN ExTokenNumber\r |
878ddf1f | 293 | )\r |
294 | {\r | |
52e1905d | 295 | return *((BOOLEAN *) ExGetWorker (Guid, ExTokenNumber, sizeof(BOOLEAN)));\r |
878ddf1f | 296 | }\r |
297 | \r | |
298 | \r | |
299 | \r | |
300 | UINTN\r | |
301 | EFIAPI\r | |
302 | DxePcdGetSizeEx (\r | |
303 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 304 | IN UINTN ExTokenNumber\r |
878ddf1f | 305 | )\r |
306 | {\r | |
4f242357 | 307 | return DxePcdGetSize(GetExPcdTokenNumber (Guid, (UINT32) ExTokenNumber));\r |
878ddf1f | 308 | }\r |
309 | \r | |
310 | \r | |
311 | \r | |
312 | EFI_STATUS\r | |
313 | EFIAPI\r | |
314 | DxePcdSet8 (\r | |
8a43e8dd | 315 | IN UINTN TokenNumber,\r |
52e1905d | 316 | IN UINT8 Value\r |
878ddf1f | 317 | )\r |
318 | {\r | |
1de04b4f | 319 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r |
878ddf1f | 320 | }\r |
321 | \r | |
322 | \r | |
323 | \r | |
324 | EFI_STATUS\r | |
325 | EFIAPI\r | |
326 | DxePcdSet16 (\r | |
8a43e8dd | 327 | IN UINTN TokenNumber,\r |
878ddf1f | 328 | IN UINT16 Value\r |
329 | )\r | |
330 | {\r | |
1de04b4f | 331 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r |
878ddf1f | 332 | }\r |
333 | \r | |
334 | \r | |
335 | \r | |
336 | EFI_STATUS\r | |
337 | EFIAPI\r | |
338 | DxePcdSet32 (\r | |
8a43e8dd | 339 | IN UINTN TokenNumber,\r |
878ddf1f | 340 | IN UINT32 Value\r |
341 | )\r | |
342 | {\r | |
1de04b4f | 343 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r |
878ddf1f | 344 | }\r |
345 | \r | |
346 | \r | |
347 | \r | |
348 | EFI_STATUS\r | |
349 | EFIAPI\r | |
350 | DxePcdSet64 (\r | |
8a43e8dd | 351 | IN UINTN TokenNumber,\r |
52e1905d | 352 | IN UINT64 Value\r |
878ddf1f | 353 | )\r |
354 | {\r | |
1de04b4f | 355 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r |
878ddf1f | 356 | }\r |
357 | \r | |
358 | \r | |
359 | \r | |
360 | EFI_STATUS\r | |
361 | EFIAPI\r | |
362 | DxePcdSetPtr (\r | |
1de04b4f | 363 | IN UINTN TokenNumber,\r |
364 | IN OUT UINTN *SizeOfBuffer,\r | |
365 | IN VOID *Buffer\r | |
878ddf1f | 366 | )\r |
367 | {\r | |
00b7af13 | 368 | return SetWorker (TokenNumber, Buffer, SizeOfBuffer, TRUE);\r |
878ddf1f | 369 | }\r |
370 | \r | |
371 | \r | |
372 | \r | |
373 | EFI_STATUS\r | |
374 | EFIAPI\r | |
375 | DxePcdSetBool (\r | |
8a43e8dd | 376 | IN UINTN TokenNumber,\r |
52e1905d | 377 | IN BOOLEAN Value\r |
878ddf1f | 378 | )\r |
379 | {\r | |
1de04b4f | 380 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r |
878ddf1f | 381 | }\r |
382 | \r | |
383 | \r | |
384 | \r | |
385 | EFI_STATUS\r | |
386 | EFIAPI\r | |
387 | DxePcdSet8Ex (\r | |
4c114006 | 388 | IN CONST EFI_GUID *Guid,\r |
8a43e8dd | 389 | IN UINTN ExTokenNumber,\r |
52e1905d | 390 | IN UINT8 Value\r |
878ddf1f | 391 | )\r |
392 | {\r | |
1de04b4f | 393 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r |
878ddf1f | 394 | }\r |
395 | \r | |
396 | \r | |
397 | \r | |
398 | EFI_STATUS\r | |
399 | EFIAPI\r | |
400 | DxePcdSet16Ex (\r | |
4c114006 | 401 | IN CONST EFI_GUID *Guid,\r |
8a43e8dd | 402 | IN UINTN ExTokenNumber,\r |
878ddf1f | 403 | IN UINT16 Value\r |
404 | )\r | |
405 | {\r | |
1de04b4f | 406 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r |
878ddf1f | 407 | }\r |
408 | \r | |
409 | \r | |
410 | \r | |
411 | EFI_STATUS\r | |
412 | EFIAPI\r | |
413 | DxePcdSet32Ex (\r | |
4c114006 | 414 | IN CONST EFI_GUID *Guid,\r |
8a43e8dd | 415 | IN UINTN ExTokenNumber,\r |
878ddf1f | 416 | IN UINT32 Value\r |
417 | )\r | |
418 | {\r | |
1de04b4f | 419 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r |
878ddf1f | 420 | }\r |
421 | \r | |
422 | \r | |
423 | \r | |
424 | EFI_STATUS\r | |
425 | EFIAPI\r | |
426 | DxePcdSet64Ex (\r | |
4c114006 | 427 | IN CONST EFI_GUID *Guid,\r |
8a43e8dd | 428 | IN UINTN ExTokenNumber,\r |
878ddf1f | 429 | IN UINT64 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 | EFI_STATUS\r | |
438 | EFIAPI\r | |
439 | DxePcdSetPtrEx (\r | |
1de04b4f | 440 | IN CONST EFI_GUID *Guid,\r |
441 | IN UINTN ExTokenNumber,\r | |
442 | IN OUT UINTN *SizeOfBuffer,\r | |
443 | IN VOID *Buffer\r | |
878ddf1f | 444 | )\r |
445 | {\r | |
1de04b4f | 446 | return ExSetWorker(ExTokenNumber, Guid, Buffer, SizeOfBuffer, TRUE);\r |
878ddf1f | 447 | }\r |
448 | \r | |
449 | \r | |
450 | \r | |
451 | EFI_STATUS\r | |
452 | EFIAPI\r | |
453 | DxePcdSetBoolEx (\r | |
4c114006 | 454 | IN CONST EFI_GUID *Guid,\r |
8a43e8dd | 455 | IN UINTN ExTokenNumber,\r |
878ddf1f | 456 | IN BOOLEAN Value\r |
457 | )\r | |
458 | {\r | |
1de04b4f | 459 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r |
878ddf1f | 460 | }\r |
461 | \r | |
462 | \r | |
463 | \r | |
464 | \r | |
465 | EFI_STATUS\r | |
466 | EFIAPI\r | |
4c114006 | 467 | DxeRegisterCallBackOnSet (\r |
8a43e8dd | 468 | IN UINTN TokenNumber,\r |
4c114006 | 469 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
878ddf1f | 470 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r |
471 | )\r | |
472 | {\r | |
4c114006 | 473 | ASSERT (CallBackFunction != NULL);\r |
474 | \r | |
475 | return DxeRegisterCallBackWorker (TokenNumber, Guid, CallBackFunction);\r | |
878ddf1f | 476 | }\r |
477 | \r | |
478 | \r | |
479 | \r | |
480 | EFI_STATUS\r | |
481 | EFIAPI\r | |
4c114006 | 482 | DxeUnRegisterCallBackOnSet (\r |
8a43e8dd | 483 | IN UINTN TokenNumber,\r |
4c114006 | 484 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
878ddf1f | 485 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r |
486 | )\r | |
487 | {\r | |
4c114006 | 488 | ASSERT (CallBackFunction != NULL);\r |
489 | \r | |
58f1099f | 490 | return DxeUnRegisterCallBackWorker (TokenNumber, Guid, CallBackFunction);\r |
878ddf1f | 491 | }\r |
492 | \r | |
493 | \r | |
494 | \r | |
495 | EFI_STATUS\r | |
496 | EFIAPI\r | |
497 | DxePcdGetNextToken (\r | |
4c114006 | 498 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
8a43e8dd | 499 | IN OUT UINTN *TokenNumber\r |
878ddf1f | 500 | )\r |
501 | {\r | |
8a43e8dd | 502 | UINTN ExTokenNumber;\r |
4c114006 | 503 | \r |
504 | //\r | |
505 | // Scan the local token space\r | |
506 | //\r | |
507 | if (Guid == NULL) {\r | |
dcec7651 | 508 | (*TokenNumber)++;\r |
c24ba2f6 | 509 | if (*TokenNumber > PEI_NEX_TOKEN_NUMBER &&\r |
510 | *TokenNumber <= PEI_LOCAL_TOKEN_NUMBER) {\r | |
511 | //\r | |
512 | // The first Non-Ex type Token Number for DXE PCD \r | |
513 | // database is PEI_LOCAL_TOKEN_NUMBER\r | |
514 | //\r | |
515 | *TokenNumber = PEI_LOCAL_TOKEN_NUMBER;\r | |
516 | } else if (*TokenNumber > DXE_NEX_TOKEN_NUMBER + PEI_LOCAL_TOKEN_NUMBER) {\r | |
517 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r | |
4c114006 | 518 | }\r |
c24ba2f6 | 519 | return EFI_SUCCESS;\r |
4c114006 | 520 | }\r |
521 | \r | |
c24ba2f6 | 522 | if (PEI_EXMAP_TABLE_EMPTY && DXE_EXMAP_TABLE_EMPTY) {\r |
523 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r | |
4c114006 | 524 | return EFI_NOT_FOUND;\r |
525 | }\r | |
526 | \r | |
4c114006 | 527 | if (!PEI_EXMAP_TABLE_EMPTY) {\r |
c24ba2f6 | 528 | ExTokenNumber = *TokenNumber;\r |
4c114006 | 529 | ExTokenNumber = ExGetNextTokeNumber (\r |
530 | Guid,\r | |
531 | ExTokenNumber,\r | |
532 | mPcdDatabase->PeiDb.Init.GuidTable,\r | |
533 | sizeof(mPcdDatabase->PeiDb.Init.GuidTable),\r | |
534 | mPcdDatabase->PeiDb.Init.ExMapTable,\r | |
535 | sizeof(mPcdDatabase->PeiDb.Init.ExMapTable)\r | |
536 | );\r | |
537 | }\r | |
538 | \r | |
4276d5da | 539 | if ((ExTokenNumber == PCD_INVALID_TOKEN_NUMBER) &&\r |
540 | !DXE_EXMAP_TABLE_EMPTY\r | |
541 | ) {\r | |
c24ba2f6 | 542 | ExTokenNumber = *TokenNumber;\r |
4c114006 | 543 | ExTokenNumber = ExGetNextTokeNumber (\r |
544 | Guid,\r | |
545 | ExTokenNumber,\r | |
c24ba2f6 | 546 | mPcdDatabase->DxeDb.Init.GuidTable,\r |
547 | sizeof(mPcdDatabase->DxeDb.Init.GuidTable),\r | |
548 | mPcdDatabase->DxeDb.Init.ExMapTable,\r | |
549 | sizeof(mPcdDatabase->DxeDb.Init.ExMapTable)\r | |
4c114006 | 550 | );\r |
551 | }\r | |
552 | \r | |
553 | *TokenNumber = ExTokenNumber;\r | |
554 | \r | |
555 | return EFI_SUCCESS;\r | |
878ddf1f | 556 | }\r |
557 | \r | |
4276d5da | 558 | \r |
559 | EFI_GUID **\r | |
560 | GetDistinctTokenSpace (\r | |
561 | IN OUT UINTN *ExMapTableSize,\r | |
562 | IN DYNAMICEX_MAPPING *ExMapTable,\r | |
563 | IN EFI_GUID *GuidTable\r | |
564 | )\r | |
565 | {\r | |
566 | EFI_GUID **DistinctTokenSpace;\r | |
567 | UINTN OldGuidIndex;\r | |
568 | UINTN TsIdx;\r | |
569 | UINTN Idx;\r | |
570 | \r | |
571 | \r | |
572 | DistinctTokenSpace = AllocateZeroPool (*ExMapTableSize * sizeof (EFI_GUID *));\r | |
573 | ASSERT (DistinctTokenSpace != NULL);\r | |
574 | \r | |
575 | TsIdx = 0;\r | |
576 | OldGuidIndex = ExMapTable[0].ExGuidIndex;\r | |
577 | DistinctTokenSpace[TsIdx] = &GuidTable[OldGuidIndex];\r | |
c24ba2f6 | 578 | for (Idx = 1; Idx < *ExMapTableSize; Idx++) {\r |
4276d5da | 579 | if (ExMapTable[Idx].ExGuidIndex != OldGuidIndex) {\r |
580 | OldGuidIndex = ExMapTable[Idx].ExGuidIndex;\r | |
581 | DistinctTokenSpace[++TsIdx] = &GuidTable[OldGuidIndex];\r | |
582 | }\r | |
583 | }\r | |
584 | \r | |
c24ba2f6 | 585 | //\r |
586 | // The total number of Distinct Token Space\r | |
587 | // is TsIdx + 1 because we use TsIdx as a index\r | |
588 | // to the DistinctTokenSpace[]\r | |
589 | //\r | |
590 | *ExMapTableSize = TsIdx + 1;\r | |
4276d5da | 591 | return DistinctTokenSpace;\r |
592 | \r | |
593 | }\r | |
594 | \r | |
c24ba2f6 | 595 | //\r |
596 | // Just pre-allocate a memory buffer that is big enough to\r | |
597 | // host all distinct TokenSpace guid in both\r | |
598 | // PEI ExMap and DXE ExMap.\r | |
599 | //\r | |
4276d5da | 600 | STATIC EFI_GUID *TmpTokenSpaceBuffer[PEI_EXMAPPING_TABLE_SIZE + DXE_EXMAPPING_TABLE_SIZE] = { 0 };\r |
601 | \r | |
602 | EFI_STATUS\r | |
603 | EFIAPI\r | |
604 | DxePcdGetNextTokenSpace (\r | |
605 | IN OUT CONST EFI_GUID **Guid\r | |
606 | )\r | |
607 | {\r | |
608 | UINTN Idx;\r | |
609 | UINTN Idx2;\r | |
610 | UINTN Idx3;\r | |
611 | UINTN PeiTokenSpaceTableSize;\r | |
612 | UINTN DxeTokenSpaceTableSize;\r | |
613 | EFI_GUID **PeiTokenSpaceTable;\r | |
614 | EFI_GUID **DxeTokenSpaceTable;\r | |
615 | BOOLEAN Match;\r | |
616 | \r | |
617 | ASSERT (Guid != NULL);\r | |
618 | \r | |
619 | if (PEI_EXMAP_TABLE_EMPTY && DXE_EXMAP_TABLE_EMPTY) {\r | |
620 | if (*Guid != NULL) {\r | |
621 | return EFI_NOT_FOUND;\r | |
622 | } else {\r | |
623 | return EFI_SUCCESS;\r | |
624 | }\r | |
625 | }\r | |
626 | \r | |
627 | \r | |
c24ba2f6 | 628 | if (TmpTokenSpaceBuffer[0] == NULL) {\r |
4276d5da | 629 | PeiTokenSpaceTableSize = 0;\r |
630 | \r | |
631 | if (!PEI_EXMAP_TABLE_EMPTY) {\r | |
632 | PeiTokenSpaceTableSize = PEI_EXMAPPING_TABLE_SIZE;\r | |
633 | PeiTokenSpaceTable = GetDistinctTokenSpace (&PeiTokenSpaceTableSize,\r | |
634 | mPcdDatabase->PeiDb.Init.ExMapTable,\r | |
635 | mPcdDatabase->PeiDb.Init.GuidTable\r | |
636 | );\r | |
637 | CopyMem (TmpTokenSpaceBuffer, PeiTokenSpaceTable, sizeof (EFI_GUID*) * PeiTokenSpaceTableSize);\r | |
638 | }\r | |
639 | \r | |
640 | if (!DXE_EXMAP_TABLE_EMPTY) {\r | |
641 | DxeTokenSpaceTableSize = DXE_EXMAPPING_TABLE_SIZE;\r | |
642 | DxeTokenSpaceTable = GetDistinctTokenSpace (&DxeTokenSpaceTableSize,\r | |
643 | mPcdDatabase->DxeDb.Init.ExMapTable,\r | |
644 | mPcdDatabase->DxeDb.Init.GuidTable\r | |
645 | );\r | |
646 | \r | |
647 | //\r | |
648 | // Make sure EFI_GUID in DxeTokenSpaceTable does not exist in PeiTokenSpaceTable\r | |
649 | //\r | |
650 | for (Idx2 = 0, Idx3 = PeiTokenSpaceTableSize; Idx2 < DxeTokenSpaceTableSize; Idx2++) {\r | |
651 | Match = FALSE;\r | |
652 | for (Idx = 0; Idx < PeiTokenSpaceTableSize; Idx++) {\r | |
653 | if (CompareGuid (TmpTokenSpaceBuffer[Idx], DxeTokenSpaceTable[Idx2])) {\r | |
654 | Match = TRUE;\r | |
655 | break;\r | |
656 | }\r | |
657 | }\r | |
658 | if (!Match) {\r | |
659 | TmpTokenSpaceBuffer[Idx3++] = DxeTokenSpaceTable[Idx2];\r | |
660 | }\r | |
661 | }\r | |
662 | }\r | |
663 | }\r | |
664 | \r | |
665 | if (*Guid == NULL) {\r | |
666 | *Guid = TmpTokenSpaceBuffer[0];\r | |
667 | return EFI_SUCCESS;\r | |
668 | }\r | |
669 | \r | |
670 | for (Idx = 0; Idx < (PEI_EXMAPPING_TABLE_SIZE + DXE_EXMAPPING_TABLE_SIZE); Idx++) {\r | |
671 | if(CompareGuid (*Guid, TmpTokenSpaceBuffer[Idx])) {\r | |
672 | Idx++;\r | |
673 | *Guid = TmpTokenSpaceBuffer[Idx];\r | |
674 | return EFI_SUCCESS;\r | |
675 | }\r | |
676 | }\r | |
677 | \r | |
678 | return EFI_NOT_FOUND;\r | |
679 | \r | |
680 | }\r | |
681 | \r | |
682 | \r |