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878ddf1f | 1 | /** @file\r |
2 | PCD DXE driver\r | |
3 | \r | |
d57d21b5 | 4 | Copyright (c) 2006 - 2007, Intel Corporation\r |
878ddf1f | 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 | |
a696a78c | 20 | EFI_LOCK mPcdDatabaseLock = EFI_INITIALIZE_LOCK_VARIABLE(EFI_TPL_CALLBACK);\r |
878ddf1f | 21 | \r |
22 | PCD_PROTOCOL mPcdInstance = {\r | |
23 | DxePcdSetSku,\r | |
24 | \r | |
25 | DxePcdGet8,\r | |
26 | DxePcdGet16,\r | |
27 | DxePcdGet32,\r | |
28 | DxePcdGet64,\r | |
29 | DxePcdGetPtr,\r | |
30 | DxePcdGetBool,\r | |
31 | DxePcdGetSize,\r | |
32 | \r | |
33 | DxePcdGet8Ex,\r | |
34 | DxePcdGet16Ex,\r | |
35 | DxePcdGet32Ex,\r | |
36 | DxePcdGet64Ex,\r | |
37 | DxePcdGetPtrEx,\r | |
38 | DxePcdGetBoolEx,\r | |
39 | DxePcdGetSizeEx,\r | |
40 | \r | |
41 | DxePcdSet8,\r | |
42 | DxePcdSet16,\r | |
43 | DxePcdSet32,\r | |
44 | DxePcdSet64,\r | |
45 | DxePcdSetPtr,\r | |
46 | DxePcdSetBool,\r | |
47 | \r | |
48 | DxePcdSet8Ex,\r | |
49 | DxePcdSet16Ex,\r | |
50 | DxePcdSet32Ex,\r | |
51 | DxePcdSet64Ex,\r | |
52 | DxePcdSetPtrEx,\r | |
53 | DxePcdSetBoolEx,\r | |
54 | \r | |
4c114006 | 55 | DxeRegisterCallBackOnSet,\r |
56 | DxeUnRegisterCallBackOnSet,\r | |
c24ba2f6 | 57 | DxePcdGetNextToken,\r |
58 | DxePcdGetNextTokenSpace\r | |
878ddf1f | 59 | };\r |
60 | \r | |
61 | \r | |
62 | //\r | |
63 | // Static global to reduce the code size\r | |
64 | //\r | |
3b06f97c | 65 | static EFI_HANDLE mNewHandle = NULL;\r |
878ddf1f | 66 | \r |
67 | EFI_STATUS\r | |
68 | EFIAPI\r | |
69 | PcdDxeInit (\r | |
70 | IN EFI_HANDLE ImageHandle,\r | |
71 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
72 | )\r | |
73 | {\r | |
52e1905d | 74 | EFI_STATUS Status;\r |
75 | \r | |
76 | //\r | |
77 | // Make sure the Pcd Protocol is not already installed in the system\r | |
78 | //\r | |
4f242357 | 79 | \r |
52e1905d | 80 | ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gPcdProtocolGuid);\r |
2a505eac | 81 | \r |
52e1905d | 82 | BuildPcdDxeDataBase ();\r |
83 | \r | |
878ddf1f | 84 | Status = gBS->InstallProtocolInterface (\r |
3b06f97c | 85 | &mNewHandle,\r |
878ddf1f | 86 | &gPcdProtocolGuid,\r |
87 | EFI_NATIVE_INTERFACE,\r | |
88 | &mPcdInstance\r | |
89 | );\r | |
90 | \r | |
91 | ASSERT_EFI_ERROR (Status);\r | |
92 | \r | |
93 | return EFI_SUCCESS;\r | |
94 | \r | |
95 | }\r | |
96 | \r | |
97 | \r | |
00b7af13 | 98 | VOID\r |
878ddf1f | 99 | EFIAPI\r |
100 | DxePcdSetSku (\r | |
8a43e8dd | 101 | IN UINTN SkuId\r |
878ddf1f | 102 | )\r |
103 | {\r | |
8a43e8dd | 104 | mPcdDatabase->PeiDb.Init.SystemSkuId = (SKU_ID) SkuId;\r |
00b7af13 | 105 | \r |
106 | return;\r | |
878ddf1f | 107 | }\r |
108 | \r | |
109 | \r | |
110 | \r | |
111 | UINT8\r | |
112 | EFIAPI\r | |
113 | DxePcdGet8 (\r | |
8a43e8dd | 114 | IN UINTN TokenNumber\r |
878ddf1f | 115 | )\r |
116 | {\r | |
9d6d8b24 | 117 | return *((UINT8 *) GetWorker (TokenNumber, sizeof (UINT8)));\r |
878ddf1f | 118 | }\r |
119 | \r | |
120 | \r | |
121 | \r | |
122 | UINT16\r | |
123 | EFIAPI\r | |
124 | DxePcdGet16 (\r | |
8a43e8dd | 125 | IN UINTN TokenNumber\r |
878ddf1f | 126 | )\r |
127 | {\r | |
9d6d8b24 | 128 | return ReadUnaligned16 (GetWorker (TokenNumber, sizeof (UINT16)));\r |
878ddf1f | 129 | }\r |
130 | \r | |
131 | \r | |
132 | \r | |
133 | UINT32\r | |
134 | EFIAPI\r | |
135 | DxePcdGet32 (\r | |
8a43e8dd | 136 | IN UINTN TokenNumber\r |
878ddf1f | 137 | )\r |
138 | {\r | |
9d6d8b24 | 139 | return ReadUnaligned32 (GetWorker (TokenNumber, sizeof (UINT32)));\r |
878ddf1f | 140 | }\r |
141 | \r | |
142 | \r | |
143 | \r | |
144 | UINT64\r | |
145 | EFIAPI\r | |
146 | DxePcdGet64 (\r | |
8a43e8dd | 147 | IN UINTN TokenNumber\r |
878ddf1f | 148 | )\r |
149 | {\r | |
9d6d8b24 | 150 | return ReadUnaligned64(GetWorker (TokenNumber, sizeof (UINT64)));\r |
878ddf1f | 151 | }\r |
152 | \r | |
153 | \r | |
154 | \r | |
155 | VOID *\r | |
156 | EFIAPI\r | |
157 | DxePcdGetPtr (\r | |
8a43e8dd | 158 | IN UINTN TokenNumber\r |
878ddf1f | 159 | )\r |
160 | {\r | |
9d6d8b24 | 161 | return GetWorker (TokenNumber, 0);\r |
878ddf1f | 162 | }\r |
163 | \r | |
164 | \r | |
165 | \r | |
166 | BOOLEAN\r | |
167 | EFIAPI\r | |
168 | DxePcdGetBool (\r | |
8a43e8dd | 169 | IN UINTN TokenNumber\r |
878ddf1f | 170 | )\r |
171 | {\r | |
9d6d8b24 | 172 | return *((BOOLEAN *) GetWorker (TokenNumber, sizeof (BOOLEAN)));\r |
878ddf1f | 173 | }\r |
174 | \r | |
175 | \r | |
176 | \r | |
177 | UINTN\r | |
178 | EFIAPI\r | |
179 | DxePcdGetSize (\r | |
8a43e8dd | 180 | IN UINTN TokenNumber\r |
878ddf1f | 181 | )\r |
182 | {\r | |
1de04b4f | 183 | UINTN Size;\r |
184 | UINT32 *LocalTokenNumberTable;\r | |
185 | BOOLEAN IsPeiDb;\r | |
186 | UINTN MaxSize;\r | |
187 | UINTN TmpTokenNumber;\r | |
58f1099f | 188 | //\r |
189 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
190 | // We have to decrement TokenNumber by 1 to make it usable\r | |
191 | // as the array index.\r | |
192 | //\r | |
193 | TokenNumber--;\r | |
1de04b4f | 194 | \r |
195 | //\r | |
196 | // Backup the TokenNumber passed in as GetPtrTypeSize need the original TokenNumber\r | |
197 | // \r | |
198 | TmpTokenNumber = TokenNumber;\r | |
199 | \r | |
4f914125 | 200 | // EBC compiler is very choosy. It may report warning about comparison\r |
201 | // between UINTN and 0 . So we add 1 in each size of the \r | |
202 | // comparison.\r | |
203 | ASSERT (TokenNumber + 1 < PCD_TOTAL_TOKEN_NUMBER + 1);\r | |
204 | \r | |
205 | // EBC compiler is very choosy. It may report warning about comparison\r | |
206 | // between UINTN and 0 . So we add 1 in each size of the \r | |
207 | // comparison.\r | |
208 | IsPeiDb = (BOOLEAN) (TokenNumber + 1 < PEI_LOCAL_TOKEN_NUMBER + 1);\r | |
58f1099f | 209 | \r |
1de04b4f | 210 | TokenNumber = IsPeiDb ? TokenNumber : \r |
211 | (TokenNumber - PEI_LOCAL_TOKEN_NUMBER);\r | |
52e1905d | 212 | \r |
1de04b4f | 213 | LocalTokenNumberTable = IsPeiDb ? mPcdDatabase->PeiDb.Init.LocalTokenNumberTable \r |
214 | : mPcdDatabase->DxeDb.Init.LocalTokenNumberTable;\r | |
52e1905d | 215 | \r |
1de04b4f | 216 | Size = (LocalTokenNumberTable[TokenNumber] & PCD_DATUM_TYPE_ALL_SET) >> PCD_DATUM_TYPE_SHIFT;\r |
217 | \r | |
218 | if (Size == 0) {\r | |
219 | //\r | |
220 | // For pointer type, we need to scan the SIZE_TABLE to get the current size.\r | |
221 | //\r | |
222 | return GetPtrTypeSize (TmpTokenNumber, &MaxSize);\r | |
223 | } else {\r | |
224 | return Size;\r | |
225 | }\r | |
52e1905d | 226 | \r |
878ddf1f | 227 | }\r |
228 | \r | |
229 | \r | |
230 | \r | |
231 | UINT8\r | |
232 | EFIAPI\r | |
233 | DxePcdGet8Ex (\r | |
52e1905d | 234 | IN CONST EFI_GUID *Guid,\r |
8a43e8dd | 235 | IN UINTN ExTokenNumber\r |
878ddf1f | 236 | )\r |
237 | {\r | |
52e1905d | 238 | return *((UINT8 *) ExGetWorker (Guid, ExTokenNumber, sizeof(UINT8)));\r |
878ddf1f | 239 | }\r |
240 | \r | |
241 | \r | |
242 | \r | |
243 | UINT16\r | |
244 | EFIAPI\r | |
245 | DxePcdGet16Ex (\r | |
246 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 247 | IN UINTN ExTokenNumber\r |
878ddf1f | 248 | )\r |
249 | {\r | |
9d6d8b24 | 250 | return ReadUnaligned16 (ExGetWorker (Guid, ExTokenNumber, sizeof(UINT16)));\r |
878ddf1f | 251 | }\r |
252 | \r | |
253 | \r | |
254 | \r | |
255 | UINT32\r | |
256 | EFIAPI\r | |
257 | DxePcdGet32Ex (\r | |
258 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 259 | IN UINTN ExTokenNumber\r |
878ddf1f | 260 | )\r |
261 | {\r | |
9d6d8b24 | 262 | return ReadUnaligned32 (ExGetWorker (Guid, ExTokenNumber, sizeof(UINT32)));\r |
878ddf1f | 263 | }\r |
264 | \r | |
265 | \r | |
266 | \r | |
267 | UINT64\r | |
268 | EFIAPI\r | |
269 | DxePcdGet64Ex (\r | |
270 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 271 | IN UINTN ExTokenNumber\r |
878ddf1f | 272 | )\r |
273 | {\r | |
9d6d8b24 | 274 | return ReadUnaligned64 (ExGetWorker (Guid, ExTokenNumber, sizeof(UINT64)));\r |
878ddf1f | 275 | }\r |
276 | \r | |
277 | \r | |
278 | \r | |
279 | VOID *\r | |
280 | EFIAPI\r | |
281 | DxePcdGetPtrEx (\r | |
282 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 283 | IN UINTN ExTokenNumber\r |
878ddf1f | 284 | )\r |
285 | {\r | |
1de04b4f | 286 | return ExGetWorker (Guid, ExTokenNumber, 0);\r |
878ddf1f | 287 | }\r |
288 | \r | |
289 | \r | |
290 | \r | |
291 | BOOLEAN\r | |
292 | EFIAPI\r | |
293 | DxePcdGetBoolEx (\r | |
294 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 295 | IN UINTN ExTokenNumber\r |
878ddf1f | 296 | )\r |
297 | {\r | |
52e1905d | 298 | return *((BOOLEAN *) ExGetWorker (Guid, ExTokenNumber, sizeof(BOOLEAN)));\r |
878ddf1f | 299 | }\r |
300 | \r | |
301 | \r | |
302 | \r | |
303 | UINTN\r | |
304 | EFIAPI\r | |
305 | DxePcdGetSizeEx (\r | |
306 | IN CONST EFI_GUID *Guid,\r | |
8a43e8dd | 307 | IN UINTN ExTokenNumber\r |
878ddf1f | 308 | )\r |
309 | {\r | |
4f242357 | 310 | return DxePcdGetSize(GetExPcdTokenNumber (Guid, (UINT32) ExTokenNumber));\r |
878ddf1f | 311 | }\r |
312 | \r | |
313 | \r | |
314 | \r | |
315 | EFI_STATUS\r | |
316 | EFIAPI\r | |
317 | DxePcdSet8 (\r | |
8a43e8dd | 318 | IN UINTN TokenNumber,\r |
52e1905d | 319 | IN UINT8 Value\r |
878ddf1f | 320 | )\r |
321 | {\r | |
1de04b4f | 322 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r |
878ddf1f | 323 | }\r |
324 | \r | |
325 | \r | |
326 | \r | |
327 | EFI_STATUS\r | |
328 | EFIAPI\r | |
329 | DxePcdSet16 (\r | |
8a43e8dd | 330 | IN UINTN TokenNumber,\r |
878ddf1f | 331 | IN UINT16 Value\r |
332 | )\r | |
333 | {\r | |
1de04b4f | 334 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r |
878ddf1f | 335 | }\r |
336 | \r | |
337 | \r | |
338 | \r | |
339 | EFI_STATUS\r | |
340 | EFIAPI\r | |
341 | DxePcdSet32 (\r | |
8a43e8dd | 342 | IN UINTN TokenNumber,\r |
878ddf1f | 343 | IN UINT32 Value\r |
344 | )\r | |
345 | {\r | |
1de04b4f | 346 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r |
878ddf1f | 347 | }\r |
348 | \r | |
349 | \r | |
350 | \r | |
351 | EFI_STATUS\r | |
352 | EFIAPI\r | |
353 | DxePcdSet64 (\r | |
8a43e8dd | 354 | IN UINTN TokenNumber,\r |
52e1905d | 355 | IN UINT64 Value\r |
878ddf1f | 356 | )\r |
357 | {\r | |
1de04b4f | 358 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r |
878ddf1f | 359 | }\r |
360 | \r | |
361 | \r | |
362 | \r | |
363 | EFI_STATUS\r | |
364 | EFIAPI\r | |
365 | DxePcdSetPtr (\r | |
1de04b4f | 366 | IN UINTN TokenNumber,\r |
367 | IN OUT UINTN *SizeOfBuffer,\r | |
368 | IN VOID *Buffer\r | |
878ddf1f | 369 | )\r |
370 | {\r | |
00b7af13 | 371 | return SetWorker (TokenNumber, Buffer, SizeOfBuffer, TRUE);\r |
878ddf1f | 372 | }\r |
373 | \r | |
374 | \r | |
375 | \r | |
376 | EFI_STATUS\r | |
377 | EFIAPI\r | |
378 | DxePcdSetBool (\r | |
8a43e8dd | 379 | IN UINTN TokenNumber,\r |
52e1905d | 380 | IN BOOLEAN Value\r |
878ddf1f | 381 | )\r |
382 | {\r | |
1de04b4f | 383 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r |
878ddf1f | 384 | }\r |
385 | \r | |
386 | \r | |
387 | \r | |
388 | EFI_STATUS\r | |
389 | EFIAPI\r | |
390 | DxePcdSet8Ex (\r | |
4c114006 | 391 | IN CONST EFI_GUID *Guid,\r |
8a43e8dd | 392 | IN UINTN ExTokenNumber,\r |
52e1905d | 393 | IN UINT8 Value\r |
878ddf1f | 394 | )\r |
395 | {\r | |
1de04b4f | 396 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r |
878ddf1f | 397 | }\r |
398 | \r | |
399 | \r | |
400 | \r | |
401 | EFI_STATUS\r | |
402 | EFIAPI\r | |
403 | DxePcdSet16Ex (\r | |
4c114006 | 404 | IN CONST EFI_GUID *Guid,\r |
8a43e8dd | 405 | IN UINTN ExTokenNumber,\r |
878ddf1f | 406 | IN UINT16 Value\r |
407 | )\r | |
408 | {\r | |
1de04b4f | 409 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r |
878ddf1f | 410 | }\r |
411 | \r | |
412 | \r | |
413 | \r | |
414 | EFI_STATUS\r | |
415 | EFIAPI\r | |
416 | DxePcdSet32Ex (\r | |
4c114006 | 417 | IN CONST EFI_GUID *Guid,\r |
8a43e8dd | 418 | IN UINTN ExTokenNumber,\r |
878ddf1f | 419 | IN UINT32 Value\r |
420 | )\r | |
421 | {\r | |
1de04b4f | 422 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r |
878ddf1f | 423 | }\r |
424 | \r | |
425 | \r | |
426 | \r | |
427 | EFI_STATUS\r | |
428 | EFIAPI\r | |
429 | DxePcdSet64Ex (\r | |
4c114006 | 430 | IN CONST EFI_GUID *Guid,\r |
8a43e8dd | 431 | IN UINTN ExTokenNumber,\r |
878ddf1f | 432 | IN UINT64 Value\r |
433 | )\r | |
434 | {\r | |
1de04b4f | 435 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r |
878ddf1f | 436 | }\r |
437 | \r | |
438 | \r | |
439 | \r | |
440 | EFI_STATUS\r | |
441 | EFIAPI\r | |
442 | DxePcdSetPtrEx (\r | |
1de04b4f | 443 | IN CONST EFI_GUID *Guid,\r |
444 | IN UINTN ExTokenNumber,\r | |
445 | IN OUT UINTN *SizeOfBuffer,\r | |
446 | IN VOID *Buffer\r | |
878ddf1f | 447 | )\r |
448 | {\r | |
1de04b4f | 449 | return ExSetWorker(ExTokenNumber, Guid, Buffer, SizeOfBuffer, TRUE);\r |
878ddf1f | 450 | }\r |
451 | \r | |
452 | \r | |
453 | \r | |
454 | EFI_STATUS\r | |
455 | EFIAPI\r | |
456 | DxePcdSetBoolEx (\r | |
4c114006 | 457 | IN CONST EFI_GUID *Guid,\r |
8a43e8dd | 458 | IN UINTN ExTokenNumber,\r |
878ddf1f | 459 | IN BOOLEAN Value\r |
460 | )\r | |
461 | {\r | |
1de04b4f | 462 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r |
878ddf1f | 463 | }\r |
464 | \r | |
465 | \r | |
466 | \r | |
467 | \r | |
468 | EFI_STATUS\r | |
469 | EFIAPI\r | |
4c114006 | 470 | DxeRegisterCallBackOnSet (\r |
4c114006 | 471 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
2a870f53 | 472 | IN UINTN TokenNumber,\r |
878ddf1f | 473 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r |
474 | )\r | |
475 | {\r | |
a696a78c | 476 | EFI_STATUS Status;\r |
477 | \r | |
4c114006 | 478 | ASSERT (CallBackFunction != NULL);\r |
479 | \r | |
a696a78c | 480 | //\r |
481 | // Aquire lock to prevent reentrance from TPL_CALLBACK level\r | |
482 | //\r | |
483 | EfiAcquireLock (&mPcdDatabaseLock);\r | |
484 | \r | |
485 | Status = DxeRegisterCallBackWorker (TokenNumber, Guid, CallBackFunction);\r | |
486 | \r | |
487 | EfiReleaseLock (&mPcdDatabaseLock);\r | |
488 | \r | |
489 | return Status;\r | |
878ddf1f | 490 | }\r |
491 | \r | |
492 | \r | |
493 | \r | |
494 | EFI_STATUS\r | |
495 | EFIAPI\r | |
4c114006 | 496 | DxeUnRegisterCallBackOnSet (\r |
4c114006 | 497 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
2a870f53 | 498 | IN UINTN TokenNumber,\r |
878ddf1f | 499 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r |
500 | )\r | |
501 | {\r | |
a696a78c | 502 | EFI_STATUS Status;\r |
503 | \r | |
4c114006 | 504 | ASSERT (CallBackFunction != NULL);\r |
a696a78c | 505 | \r |
506 | //\r | |
507 | // Aquire lock to prevent reentrance from TPL_CALLBACK level\r | |
508 | //\r | |
509 | EfiAcquireLock (&mPcdDatabaseLock);\r | |
510 | \r | |
511 | Status = DxeUnRegisterCallBackWorker (TokenNumber, Guid, CallBackFunction);\r | |
512 | \r | |
513 | EfiReleaseLock (&mPcdDatabaseLock);\r | |
4c114006 | 514 | \r |
a696a78c | 515 | return Status;\r |
878ddf1f | 516 | }\r |
517 | \r | |
518 | \r | |
519 | \r | |
520 | EFI_STATUS\r | |
521 | EFIAPI\r | |
522 | DxePcdGetNextToken (\r | |
4c114006 | 523 | IN CONST EFI_GUID *Guid, OPTIONAL\r |
8a43e8dd | 524 | IN OUT UINTN *TokenNumber\r |
878ddf1f | 525 | )\r |
526 | {\r | |
2b21a971 | 527 | EFI_STATUS Status;\r |
528 | \r | |
4f914125 | 529 | if (!FeaturePcdGet (PcdDxePcdDatabaseTraverseEnabled)) {\r |
530 | return EFI_UNSUPPORTED;\r | |
531 | }\r | |
532 | \r | |
2b21a971 | 533 | Status = EFI_NOT_FOUND;\r |
4c114006 | 534 | //\r |
535 | // Scan the local token space\r | |
536 | //\r | |
537 | if (Guid == NULL) {\r | |
4f914125 | 538 | // EBC compiler is very choosy. It may report warning about comparison\r |
539 | // between UINTN and 0 . So we add 1 in each size of the \r | |
540 | // comparison.\r | |
541 | if (((*TokenNumber + 1 > PEI_NEX_TOKEN_NUMBER + 1) && (*TokenNumber + 1 < PEI_LOCAL_TOKEN_NUMBER + 1)) ||\r | |
542 | ((*TokenNumber + 1 > (PEI_LOCAL_TOKEN_NUMBER + DXE_NEX_TOKEN_NUMBER + 1)))) {\r | |
2b21a971 | 543 | return EFI_NOT_FOUND;\r |
544 | }\r | |
545 | \r | |
dcec7651 | 546 | (*TokenNumber)++;\r |
4f914125 | 547 | if ((*TokenNumber + 1 > PEI_NEX_TOKEN_NUMBER + 1) &&\r |
548 | (*TokenNumber <= PEI_LOCAL_TOKEN_NUMBER)) {\r | |
c24ba2f6 | 549 | //\r |
550 | // The first Non-Ex type Token Number for DXE PCD \r | |
551 | // database is PEI_LOCAL_TOKEN_NUMBER\r | |
552 | //\r | |
553 | *TokenNumber = PEI_LOCAL_TOKEN_NUMBER;\r | |
4f914125 | 554 | } else if (*TokenNumber + 1 > DXE_NEX_TOKEN_NUMBER + PEI_LOCAL_TOKEN_NUMBER + 1) {\r |
c24ba2f6 | 555 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r |
4c114006 | 556 | }\r |
c24ba2f6 | 557 | return EFI_SUCCESS;\r |
4c114006 | 558 | }\r |
559 | \r | |
c24ba2f6 | 560 | if (PEI_EXMAP_TABLE_EMPTY && DXE_EXMAP_TABLE_EMPTY) {\r |
561 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r | |
4c114006 | 562 | return EFI_NOT_FOUND;\r |
563 | }\r | |
564 | \r | |
4c114006 | 565 | if (!PEI_EXMAP_TABLE_EMPTY) {\r |
2b21a971 | 566 | Status = ExGetNextTokeNumber (\r |
4c114006 | 567 | Guid,\r |
2b21a971 | 568 | TokenNumber,\r |
4c114006 | 569 | mPcdDatabase->PeiDb.Init.GuidTable,\r |
570 | sizeof(mPcdDatabase->PeiDb.Init.GuidTable),\r | |
571 | mPcdDatabase->PeiDb.Init.ExMapTable,\r | |
572 | sizeof(mPcdDatabase->PeiDb.Init.ExMapTable)\r | |
573 | );\r | |
574 | }\r | |
575 | \r | |
2b21a971 | 576 | if (Status == EFI_SUCCESS) {\r |
577 | return Status;\r | |
578 | }\r | |
579 | \r | |
580 | if (!DXE_EXMAP_TABLE_EMPTY) {\r | |
581 | Status = ExGetNextTokeNumber (\r | |
4c114006 | 582 | Guid,\r |
2b21a971 | 583 | TokenNumber,\r |
c24ba2f6 | 584 | mPcdDatabase->DxeDb.Init.GuidTable,\r |
585 | sizeof(mPcdDatabase->DxeDb.Init.GuidTable),\r | |
586 | mPcdDatabase->DxeDb.Init.ExMapTable,\r | |
587 | sizeof(mPcdDatabase->DxeDb.Init.ExMapTable)\r | |
4c114006 | 588 | );\r |
589 | }\r | |
590 | \r | |
2b21a971 | 591 | return Status;\r |
878ddf1f | 592 | }\r |
593 | \r | |
4276d5da | 594 | \r |
595 | EFI_GUID **\r | |
596 | GetDistinctTokenSpace (\r | |
597 | IN OUT UINTN *ExMapTableSize,\r | |
598 | IN DYNAMICEX_MAPPING *ExMapTable,\r | |
599 | IN EFI_GUID *GuidTable\r | |
600 | )\r | |
601 | {\r | |
602 | EFI_GUID **DistinctTokenSpace;\r | |
603 | UINTN OldGuidIndex;\r | |
604 | UINTN TsIdx;\r | |
605 | UINTN Idx;\r | |
606 | \r | |
607 | \r | |
608 | DistinctTokenSpace = AllocateZeroPool (*ExMapTableSize * sizeof (EFI_GUID *));\r | |
609 | ASSERT (DistinctTokenSpace != NULL);\r | |
610 | \r | |
611 | TsIdx = 0;\r | |
612 | OldGuidIndex = ExMapTable[0].ExGuidIndex;\r | |
613 | DistinctTokenSpace[TsIdx] = &GuidTable[OldGuidIndex];\r | |
c24ba2f6 | 614 | for (Idx = 1; Idx < *ExMapTableSize; Idx++) {\r |
4276d5da | 615 | if (ExMapTable[Idx].ExGuidIndex != OldGuidIndex) {\r |
616 | OldGuidIndex = ExMapTable[Idx].ExGuidIndex;\r | |
617 | DistinctTokenSpace[++TsIdx] = &GuidTable[OldGuidIndex];\r | |
618 | }\r | |
619 | }\r | |
620 | \r | |
c24ba2f6 | 621 | //\r |
622 | // The total number of Distinct Token Space\r | |
623 | // is TsIdx + 1 because we use TsIdx as a index\r | |
624 | // to the DistinctTokenSpace[]\r | |
625 | //\r | |
626 | *ExMapTableSize = TsIdx + 1;\r | |
4276d5da | 627 | return DistinctTokenSpace;\r |
628 | \r | |
629 | }\r | |
630 | \r | |
c24ba2f6 | 631 | //\r |
632 | // Just pre-allocate a memory buffer that is big enough to\r | |
633 | // host all distinct TokenSpace guid in both\r | |
634 | // PEI ExMap and DXE ExMap.\r | |
635 | //\r | |
4276d5da | 636 | STATIC EFI_GUID *TmpTokenSpaceBuffer[PEI_EXMAPPING_TABLE_SIZE + DXE_EXMAPPING_TABLE_SIZE] = { 0 };\r |
637 | \r | |
638 | EFI_STATUS\r | |
639 | EFIAPI\r | |
640 | DxePcdGetNextTokenSpace (\r | |
641 | IN OUT CONST EFI_GUID **Guid\r | |
642 | )\r | |
643 | {\r | |
644 | UINTN Idx;\r | |
645 | UINTN Idx2;\r | |
646 | UINTN Idx3;\r | |
647 | UINTN PeiTokenSpaceTableSize;\r | |
648 | UINTN DxeTokenSpaceTableSize;\r | |
649 | EFI_GUID **PeiTokenSpaceTable;\r | |
650 | EFI_GUID **DxeTokenSpaceTable;\r | |
651 | BOOLEAN Match;\r | |
652 | \r | |
4f914125 | 653 | if (!FeaturePcdGet (PcdDxePcdDatabaseTraverseEnabled)) {\r |
654 | return EFI_UNSUPPORTED;\r | |
655 | }\r | |
656 | \r | |
4276d5da | 657 | ASSERT (Guid != NULL);\r |
658 | \r | |
659 | if (PEI_EXMAP_TABLE_EMPTY && DXE_EXMAP_TABLE_EMPTY) {\r | |
660 | if (*Guid != NULL) {\r | |
661 | return EFI_NOT_FOUND;\r | |
662 | } else {\r | |
663 | return EFI_SUCCESS;\r | |
664 | }\r | |
665 | }\r | |
666 | \r | |
667 | \r | |
c24ba2f6 | 668 | if (TmpTokenSpaceBuffer[0] == NULL) {\r |
4276d5da | 669 | PeiTokenSpaceTableSize = 0;\r |
670 | \r | |
671 | if (!PEI_EXMAP_TABLE_EMPTY) {\r | |
672 | PeiTokenSpaceTableSize = PEI_EXMAPPING_TABLE_SIZE;\r | |
673 | PeiTokenSpaceTable = GetDistinctTokenSpace (&PeiTokenSpaceTableSize,\r | |
674 | mPcdDatabase->PeiDb.Init.ExMapTable,\r | |
675 | mPcdDatabase->PeiDb.Init.GuidTable\r | |
676 | );\r | |
677 | CopyMem (TmpTokenSpaceBuffer, PeiTokenSpaceTable, sizeof (EFI_GUID*) * PeiTokenSpaceTableSize);\r | |
678 | }\r | |
679 | \r | |
680 | if (!DXE_EXMAP_TABLE_EMPTY) {\r | |
681 | DxeTokenSpaceTableSize = DXE_EXMAPPING_TABLE_SIZE;\r | |
682 | DxeTokenSpaceTable = GetDistinctTokenSpace (&DxeTokenSpaceTableSize,\r | |
683 | mPcdDatabase->DxeDb.Init.ExMapTable,\r | |
684 | mPcdDatabase->DxeDb.Init.GuidTable\r | |
685 | );\r | |
686 | \r | |
687 | //\r | |
688 | // Make sure EFI_GUID in DxeTokenSpaceTable does not exist in PeiTokenSpaceTable\r | |
689 | //\r | |
690 | for (Idx2 = 0, Idx3 = PeiTokenSpaceTableSize; Idx2 < DxeTokenSpaceTableSize; Idx2++) {\r | |
691 | Match = FALSE;\r | |
692 | for (Idx = 0; Idx < PeiTokenSpaceTableSize; Idx++) {\r | |
693 | if (CompareGuid (TmpTokenSpaceBuffer[Idx], DxeTokenSpaceTable[Idx2])) {\r | |
694 | Match = TRUE;\r | |
695 | break;\r | |
696 | }\r | |
697 | }\r | |
698 | if (!Match) {\r | |
699 | TmpTokenSpaceBuffer[Idx3++] = DxeTokenSpaceTable[Idx2];\r | |
700 | }\r | |
701 | }\r | |
702 | }\r | |
703 | }\r | |
704 | \r | |
705 | if (*Guid == NULL) {\r | |
706 | *Guid = TmpTokenSpaceBuffer[0];\r | |
707 | return EFI_SUCCESS;\r | |
708 | }\r | |
709 | \r | |
710 | for (Idx = 0; Idx < (PEI_EXMAPPING_TABLE_SIZE + DXE_EXMAPPING_TABLE_SIZE); Idx++) {\r | |
711 | if(CompareGuid (*Guid, TmpTokenSpaceBuffer[Idx])) {\r | |
712 | Idx++;\r | |
713 | *Guid = TmpTokenSpaceBuffer[Idx];\r | |
714 | return EFI_SUCCESS;\r | |
715 | }\r | |
716 | }\r | |
717 | \r | |
718 | return EFI_NOT_FOUND;\r | |
719 | \r | |
720 | }\r | |
721 | \r | |
722 | \r |