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80408db0 | 1 | /** @file\r |
2ab6330e | 2 | PCD DXE driver manage all PCD entry initialized in PEI phase and DXE phase, and\r |
3 | produce the implementation of PCD protocol.\r | |
80408db0 | 4 | \r |
5 | Copyright (c) 2006 - 2007, Intel Corporation\r | |
6 | All rights reserved. This program and the accompanying materials\r | |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
14 | \r | |
15 | Module Name: Pcd.c\r | |
16 | \r | |
17 | **/\r | |
18 | \r | |
80408db0 | 19 | #include "Service.h"\r |
20 | \r | |
2ab6330e | 21 | //\r |
22 | // Just pre-allocate a memory buffer that is big enough to\r | |
23 | // host all distinct TokenSpace guid in both\r | |
24 | // PEI ExMap and DXE ExMap.\r | |
25 | //\r | |
26 | STATIC EFI_GUID *TmpTokenSpaceBuffer[PEI_EXMAPPING_TABLE_SIZE + DXE_EXMAPPING_TABLE_SIZE] = { 0 };\r | |
27 | \r | |
28 | ///\r | |
29 | /// PCD database lock.\r | |
30 | ///\r | |
80408db0 | 31 | EFI_LOCK mPcdDatabaseLock = EFI_INITIALIZE_LOCK_VARIABLE(TPL_CALLBACK);\r |
32 | \r | |
33 | PCD_PROTOCOL mPcdInstance = {\r | |
34 | DxePcdSetSku,\r | |
35 | \r | |
36 | DxePcdGet8,\r | |
37 | DxePcdGet16,\r | |
38 | DxePcdGet32,\r | |
39 | DxePcdGet64,\r | |
40 | DxePcdGetPtr,\r | |
41 | DxePcdGetBool,\r | |
42 | DxePcdGetSize,\r | |
43 | \r | |
44 | DxePcdGet8Ex,\r | |
45 | DxePcdGet16Ex,\r | |
46 | DxePcdGet32Ex,\r | |
47 | DxePcdGet64Ex,\r | |
48 | DxePcdGetPtrEx,\r | |
49 | DxePcdGetBoolEx,\r | |
50 | DxePcdGetSizeEx,\r | |
51 | \r | |
52 | DxePcdSet8,\r | |
53 | DxePcdSet16,\r | |
54 | DxePcdSet32,\r | |
55 | DxePcdSet64,\r | |
56 | DxePcdSetPtr,\r | |
57 | DxePcdSetBool,\r | |
58 | \r | |
59 | DxePcdSet8Ex,\r | |
60 | DxePcdSet16Ex,\r | |
61 | DxePcdSet32Ex,\r | |
62 | DxePcdSet64Ex,\r | |
63 | DxePcdSetPtrEx,\r | |
64 | DxePcdSetBoolEx,\r | |
65 | \r | |
66 | DxeRegisterCallBackOnSet,\r | |
67 | DxeUnRegisterCallBackOnSet,\r | |
68 | DxePcdGetNextToken,\r | |
69 | DxePcdGetNextTokenSpace\r | |
70 | };\r | |
71 | \r | |
72 | \r | |
73 | //\r | |
74 | // Static global to reduce the code size\r | |
75 | //\r | |
2ab6330e | 76 | STATIC EFI_HANDLE mNewHandle = NULL;\r |
80408db0 | 77 | \r |
2ab6330e | 78 | /**\r |
79 | Main entry for PCD DXE driver.\r | |
80 | \r | |
81 | This routine initialize the PCD database and install PCD_PROTOCOL.\r | |
82 | \r | |
83 | @param ImageHandle Image handle for PCD DXE driver.\r | |
84 | @param SystemTable Pointer to SystemTable.\r | |
85 | \r | |
86 | @return Status of gBS->InstallProtocolInterface()\r | |
87 | \r | |
88 | **/\r | |
80408db0 | 89 | EFI_STATUS\r |
90 | EFIAPI\r | |
91 | PcdDxeInit (\r | |
92 | IN EFI_HANDLE ImageHandle,\r | |
93 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
94 | )\r | |
95 | {\r | |
96 | EFI_STATUS Status;\r | |
97 | \r | |
98 | //\r | |
99 | // Make sure the Pcd Protocol is not already installed in the system\r | |
100 | //\r | |
101 | \r | |
102 | ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gPcdProtocolGuid);\r | |
103 | \r | |
104 | BuildPcdDxeDataBase ();\r | |
105 | \r | |
106 | Status = gBS->InstallProtocolInterface (\r | |
107 | &mNewHandle,\r | |
108 | &gPcdProtocolGuid,\r | |
109 | EFI_NATIVE_INTERFACE,\r | |
110 | &mPcdInstance\r | |
111 | );\r | |
112 | \r | |
113 | ASSERT_EFI_ERROR (Status);\r | |
114 | \r | |
115 | return EFI_SUCCESS;\r | |
116 | \r | |
117 | }\r | |
118 | \r | |
2ab6330e | 119 | /**\r |
120 | Sets the SKU value for subsequent calls to set or get PCD token values.\r | |
121 | \r | |
122 | SetSku() sets the SKU Id to be used for subsequent calls to set or get PCD values. \r | |
123 | SetSku() is normally called only once by the system.\r | |
124 | \r | |
125 | For each item (token), the database can hold a single value that applies to all SKUs, \r | |
126 | or multiple values, where each value is associated with a specific SKU Id. Items with multiple, \r | |
127 | SKU-specific values are called SKU enabled. \r | |
128 | \r | |
129 | The SKU Id of zero is reserved as a default. The valid SkuId range is 1 to 255. \r | |
130 | For tokens that are not SKU enabled, the system ignores any set SKU Id and works with the \r | |
131 | single value for that token. For SKU-enabled tokens, the system will use the SKU Id set by the \r | |
132 | last call to SetSku(). If no SKU Id is set or the currently set SKU Id isn't valid for the specified token, \r | |
133 | the system uses the default SKU Id. If the system attempts to use the default SKU Id and no value has been \r | |
134 | set for that Id, the results are unpredictable.\r | |
135 | \r | |
136 | @param[in] SkuId The SKU value that will be used when the PCD service will retrieve and \r | |
137 | set values associated with a PCD token.\r | |
138 | \r | |
139 | @retval VOID\r | |
80408db0 | 140 | \r |
2ab6330e | 141 | **/\r |
80408db0 | 142 | VOID\r |
143 | EFIAPI\r | |
144 | DxePcdSetSku (\r | |
145 | IN UINTN SkuId\r | |
146 | )\r | |
147 | {\r | |
148 | mPcdDatabase->PeiDb.Init.SystemSkuId = (SKU_ID) SkuId;\r | |
149 | \r | |
150 | return;\r | |
151 | }\r | |
152 | \r | |
2ab6330e | 153 | /**\r |
154 | Retrieves an 8-bit value for a given PCD token.\r | |
80408db0 | 155 | \r |
2ab6330e | 156 | Retrieves the current byte-sized value for a PCD token number. \r |
157 | If the TokenNumber is invalid, the results are unpredictable.\r | |
158 | \r | |
159 | @param[in] TokenNumber The PCD token number. \r | |
80408db0 | 160 | \r |
2ab6330e | 161 | @return The UINT8 value.\r |
162 | \r | |
163 | **/\r | |
80408db0 | 164 | UINT8\r |
165 | EFIAPI\r | |
166 | DxePcdGet8 (\r | |
167 | IN UINTN TokenNumber\r | |
168 | )\r | |
169 | {\r | |
170 | return *((UINT8 *) GetWorker (TokenNumber, sizeof (UINT8)));\r | |
171 | }\r | |
172 | \r | |
2ab6330e | 173 | /**\r |
174 | Retrieves an 16-bit value for a given PCD token.\r | |
80408db0 | 175 | \r |
2ab6330e | 176 | Retrieves the current 16-bits value for a PCD token number. \r |
177 | If the TokenNumber is invalid, the results are unpredictable.\r | |
178 | \r | |
179 | @param[in] TokenNumber The PCD token number. \r | |
80408db0 | 180 | \r |
2ab6330e | 181 | @return The UINT16 value.\r |
182 | \r | |
183 | **/\r | |
80408db0 | 184 | UINT16\r |
185 | EFIAPI\r | |
186 | DxePcdGet16 (\r | |
187 | IN UINTN TokenNumber\r | |
188 | )\r | |
189 | {\r | |
190 | return ReadUnaligned16 (GetWorker (TokenNumber, sizeof (UINT16)));\r | |
191 | }\r | |
192 | \r | |
2ab6330e | 193 | /**\r |
194 | Retrieves an 32-bit value for a given PCD token.\r | |
80408db0 | 195 | \r |
2ab6330e | 196 | Retrieves the current 32-bits value for a PCD token number. \r |
197 | If the TokenNumber is invalid, the results are unpredictable.\r | |
198 | \r | |
199 | @param[in] TokenNumber The PCD token number. \r | |
80408db0 | 200 | \r |
2ab6330e | 201 | @return The UINT32 value.\r |
202 | \r | |
203 | **/\r | |
80408db0 | 204 | UINT32\r |
205 | EFIAPI\r | |
206 | DxePcdGet32 (\r | |
207 | IN UINTN TokenNumber\r | |
208 | )\r | |
209 | {\r | |
210 | return ReadUnaligned32 (GetWorker (TokenNumber, sizeof (UINT32)));\r | |
211 | }\r | |
212 | \r | |
2ab6330e | 213 | /**\r |
214 | Retrieves an 64-bit value for a given PCD token.\r | |
80408db0 | 215 | \r |
2ab6330e | 216 | Retrieves the current 64-bits value for a PCD token number. \r |
217 | If the TokenNumber is invalid, the results are unpredictable.\r | |
218 | \r | |
219 | @param[in] TokenNumber The PCD token number. \r | |
80408db0 | 220 | \r |
2ab6330e | 221 | @return The UINT64 value.\r |
222 | \r | |
223 | **/\r | |
80408db0 | 224 | UINT64\r |
225 | EFIAPI\r | |
226 | DxePcdGet64 (\r | |
227 | IN UINTN TokenNumber\r | |
228 | )\r | |
229 | {\r | |
230 | return ReadUnaligned64(GetWorker (TokenNumber, sizeof (UINT64)));\r | |
231 | }\r | |
232 | \r | |
2ab6330e | 233 | /**\r |
234 | Retrieves a pointer to a value for a given PCD token.\r | |
80408db0 | 235 | \r |
2ab6330e | 236 | Retrieves the current pointer to the buffer for a PCD token number. \r |
237 | Do not make any assumptions about the alignment of the pointer that \r | |
238 | is returned by this function call. If the TokenNumber is invalid, \r | |
239 | the results are unpredictable.\r | |
80408db0 | 240 | \r |
2ab6330e | 241 | @param[in] TokenNumber The PCD token number. \r |
242 | \r | |
243 | @return The pointer to the buffer to be retrived.\r | |
244 | \r | |
245 | **/\r | |
80408db0 | 246 | VOID *\r |
247 | EFIAPI\r | |
248 | DxePcdGetPtr (\r | |
249 | IN UINTN TokenNumber\r | |
250 | )\r | |
251 | {\r | |
252 | return GetWorker (TokenNumber, 0);\r | |
253 | }\r | |
254 | \r | |
2ab6330e | 255 | /**\r |
256 | Retrieves a Boolean value for a given PCD token.\r | |
257 | \r | |
258 | Retrieves the current boolean value for a PCD token number. \r | |
259 | Do not make any assumptions about the alignment of the pointer that \r | |
260 | is returned by this function call. If the TokenNumber is invalid, \r | |
261 | the results are unpredictable.\r | |
80408db0 | 262 | \r |
2ab6330e | 263 | @param[in] TokenNumber The PCD token number. \r |
80408db0 | 264 | \r |
2ab6330e | 265 | @return The Boolean value.\r |
266 | \r | |
267 | **/\r | |
80408db0 | 268 | BOOLEAN\r |
269 | EFIAPI\r | |
270 | DxePcdGetBool (\r | |
271 | IN UINTN TokenNumber\r | |
272 | )\r | |
273 | {\r | |
274 | return *((BOOLEAN *) GetWorker (TokenNumber, sizeof (BOOLEAN)));\r | |
275 | }\r | |
276 | \r | |
2ab6330e | 277 | /**\r |
278 | Retrieves the size of the value for a given PCD token.\r | |
80408db0 | 279 | \r |
2ab6330e | 280 | Retrieves the current size of a particular PCD token. \r |
281 | If the TokenNumber is invalid, the results are unpredictable.\r | |
80408db0 | 282 | \r |
2ab6330e | 283 | @param[in] TokenNumber The PCD token number. \r |
284 | \r | |
285 | @return The size of the value for the PCD token.\r | |
286 | \r | |
287 | **/\r | |
80408db0 | 288 | UINTN\r |
289 | EFIAPI\r | |
290 | DxePcdGetSize (\r | |
291 | IN UINTN TokenNumber\r | |
292 | )\r | |
293 | {\r | |
294 | UINTN Size;\r | |
295 | UINT32 *LocalTokenNumberTable;\r | |
296 | BOOLEAN IsPeiDb;\r | |
297 | UINTN MaxSize;\r | |
298 | UINTN TmpTokenNumber;\r | |
299 | //\r | |
300 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
301 | // We have to decrement TokenNumber by 1 to make it usable\r | |
302 | // as the array index.\r | |
303 | //\r | |
304 | TokenNumber--;\r | |
305 | \r | |
306 | //\r | |
307 | // Backup the TokenNumber passed in as GetPtrTypeSize need the original TokenNumber\r | |
308 | // \r | |
309 | TmpTokenNumber = TokenNumber;\r | |
310 | \r | |
311 | // EBC compiler is very choosy. It may report warning about comparison\r | |
312 | // between UINTN and 0 . So we add 1 in each size of the \r | |
313 | // comparison.\r | |
314 | ASSERT (TokenNumber + 1 < PCD_TOTAL_TOKEN_NUMBER + 1);\r | |
315 | \r | |
316 | // EBC compiler is very choosy. It may report warning about comparison\r | |
317 | // between UINTN and 0 . So we add 1 in each size of the \r | |
318 | // comparison.\r | |
319 | IsPeiDb = (BOOLEAN) (TokenNumber + 1 < PEI_LOCAL_TOKEN_NUMBER + 1);\r | |
320 | \r | |
321 | TokenNumber = IsPeiDb ? TokenNumber : \r | |
322 | (TokenNumber - PEI_LOCAL_TOKEN_NUMBER);\r | |
323 | \r | |
324 | LocalTokenNumberTable = IsPeiDb ? mPcdDatabase->PeiDb.Init.LocalTokenNumberTable \r | |
325 | : mPcdDatabase->DxeDb.Init.LocalTokenNumberTable;\r | |
326 | \r | |
327 | Size = (LocalTokenNumberTable[TokenNumber] & PCD_DATUM_TYPE_ALL_SET) >> PCD_DATUM_TYPE_SHIFT;\r | |
328 | \r | |
329 | if (Size == 0) {\r | |
330 | //\r | |
331 | // For pointer type, we need to scan the SIZE_TABLE to get the current size.\r | |
332 | //\r | |
333 | return GetPtrTypeSize (TmpTokenNumber, &MaxSize);\r | |
334 | } else {\r | |
335 | return Size;\r | |
336 | }\r | |
337 | \r | |
338 | }\r | |
339 | \r | |
2ab6330e | 340 | /**\r |
341 | Retrieves an 8-bit value for a given PCD token.\r | |
342 | \r | |
343 | Retrieves the 8-bit value of a particular PCD token. \r | |
344 | If the TokenNumber is invalid or the token space\r | |
345 | specified by Guid does not exist, the results are \r | |
346 | unpredictable.\r | |
80408db0 | 347 | \r |
2ab6330e | 348 | @param[in] Guid The token space for the token number.\r |
349 | @param[in] ExTokenNumber The PCD token number. \r | |
80408db0 | 350 | \r |
2ab6330e | 351 | @return The size 8-bit value for the PCD token.\r |
352 | \r | |
353 | **/\r | |
80408db0 | 354 | UINT8\r |
355 | EFIAPI\r | |
356 | DxePcdGet8Ex (\r | |
357 | IN CONST EFI_GUID *Guid,\r | |
2ab6330e | 358 | IN UINTN ExTokenNumber\r |
80408db0 | 359 | )\r |
360 | {\r | |
361 | return *((UINT8 *) ExGetWorker (Guid, ExTokenNumber, sizeof(UINT8)));\r | |
362 | }\r | |
363 | \r | |
2ab6330e | 364 | /**\r |
365 | Retrieves an 16-bit value for a given PCD token.\r | |
366 | \r | |
367 | Retrieves the 16-bit value of a particular PCD token. \r | |
368 | If the TokenNumber is invalid or the token space\r | |
369 | specified by Guid does not exist, the results are \r | |
370 | unpredictable.\r | |
80408db0 | 371 | \r |
2ab6330e | 372 | @param[in] Guid The token space for the token number.\r |
373 | @param[in] ExTokenNumber The PCD token number. \r | |
80408db0 | 374 | \r |
2ab6330e | 375 | @return The size 16-bit value for the PCD token.\r |
376 | \r | |
377 | **/\r | |
80408db0 | 378 | UINT16\r |
379 | EFIAPI\r | |
380 | DxePcdGet16Ex (\r | |
381 | IN CONST EFI_GUID *Guid,\r | |
382 | IN UINTN ExTokenNumber\r | |
383 | )\r | |
384 | {\r | |
385 | return ReadUnaligned16 (ExGetWorker (Guid, ExTokenNumber, sizeof(UINT16)));\r | |
386 | }\r | |
387 | \r | |
2ab6330e | 388 | /**\r |
389 | Retrieves an 32-bit value for a given PCD token.\r | |
390 | \r | |
391 | Retrieves the 32-bit value of a particular PCD token. \r | |
392 | If the TokenNumber is invalid or the token space\r | |
393 | specified by Guid does not exist, the results are \r | |
394 | unpredictable.\r | |
80408db0 | 395 | \r |
2ab6330e | 396 | @param[in] Guid The token space for the token number.\r |
397 | @param[in] ExTokenNumber The PCD token number. \r | |
80408db0 | 398 | \r |
2ab6330e | 399 | @return The size 32-bit value for the PCD token.\r |
400 | \r | |
401 | **/\r | |
80408db0 | 402 | UINT32\r |
403 | EFIAPI\r | |
404 | DxePcdGet32Ex (\r | |
405 | IN CONST EFI_GUID *Guid,\r | |
406 | IN UINTN ExTokenNumber\r | |
407 | )\r | |
408 | {\r | |
409 | return ReadUnaligned32 (ExGetWorker (Guid, ExTokenNumber, sizeof(UINT32)));\r | |
410 | }\r | |
411 | \r | |
2ab6330e | 412 | /**\r |
413 | Retrieves an 64-bit value for a given PCD token.\r | |
80408db0 | 414 | \r |
2ab6330e | 415 | Retrieves the 64-bit value of a particular PCD token. \r |
416 | If the TokenNumber is invalid or the token space\r | |
417 | specified by Guid does not exist, the results are \r | |
418 | unpredictable.\r | |
80408db0 | 419 | \r |
2ab6330e | 420 | @param[in] Guid The token space for the token number.\r |
421 | @param[in] ExTokenNumber The PCD token number. \r | |
422 | \r | |
423 | @return The size 64-bit value for the PCD token.\r | |
424 | \r | |
425 | **/\r | |
80408db0 | 426 | UINT64\r |
427 | EFIAPI\r | |
428 | DxePcdGet64Ex (\r | |
429 | IN CONST EFI_GUID *Guid,\r | |
430 | IN UINTN ExTokenNumber\r | |
431 | )\r | |
432 | {\r | |
433 | return ReadUnaligned64 (ExGetWorker (Guid, ExTokenNumber, sizeof(UINT64)));\r | |
434 | }\r | |
435 | \r | |
2ab6330e | 436 | /**\r |
437 | Retrieves a pointer to a value for a given PCD token.\r | |
438 | \r | |
439 | Retrieves the current pointer to the buffer for a PCD token number. \r | |
440 | Do not make any assumptions about the alignment of the pointer that \r | |
441 | is returned by this function call. If the TokenNumber is invalid, \r | |
442 | the results are unpredictable.\r | |
80408db0 | 443 | \r |
2ab6330e | 444 | @param[in] Guid The token space for the token number.\r |
445 | @param[in] ExTokenNumber The PCD token number. \r | |
80408db0 | 446 | \r |
2ab6330e | 447 | @return The pointer to the buffer to be retrived.\r |
448 | \r | |
449 | **/\r | |
80408db0 | 450 | VOID *\r |
451 | EFIAPI\r | |
452 | DxePcdGetPtrEx (\r | |
453 | IN CONST EFI_GUID *Guid,\r | |
454 | IN UINTN ExTokenNumber\r | |
455 | )\r | |
456 | {\r | |
457 | return ExGetWorker (Guid, ExTokenNumber, 0);\r | |
458 | }\r | |
459 | \r | |
2ab6330e | 460 | /**\r |
461 | Retrieves an Boolean value for a given PCD token.\r | |
80408db0 | 462 | \r |
2ab6330e | 463 | Retrieves the Boolean value of a particular PCD token. \r |
464 | If the TokenNumber is invalid or the token space\r | |
465 | specified by Guid does not exist, the results are \r | |
466 | unpredictable.\r | |
80408db0 | 467 | \r |
2ab6330e | 468 | @param[in] Guid The token space for the token number.\r |
469 | @param[in] ExTokenNumber The PCD token number. \r | |
470 | \r | |
471 | @return The size Boolean value for the PCD token.\r | |
472 | \r | |
473 | **/\r | |
80408db0 | 474 | BOOLEAN\r |
475 | EFIAPI\r | |
476 | DxePcdGetBoolEx (\r | |
477 | IN CONST EFI_GUID *Guid,\r | |
478 | IN UINTN ExTokenNumber\r | |
479 | )\r | |
480 | {\r | |
481 | return *((BOOLEAN *) ExGetWorker (Guid, ExTokenNumber, sizeof(BOOLEAN)));\r | |
482 | }\r | |
483 | \r | |
2ab6330e | 484 | /**\r |
485 | Retrieves the size of the value for a given PCD token.\r | |
486 | \r | |
487 | Retrieves the current size of a particular PCD token. \r | |
488 | If the TokenNumber is invalid, the results are unpredictable.\r | |
80408db0 | 489 | \r |
2ab6330e | 490 | @param[in] Guid The token space for the token number.\r |
491 | @param[in] ExTokenNumber The PCD token number. \r | |
80408db0 | 492 | \r |
2ab6330e | 493 | @return The size of the value for the PCD token.\r |
494 | \r | |
495 | **/\r | |
80408db0 | 496 | UINTN\r |
497 | EFIAPI\r | |
498 | DxePcdGetSizeEx (\r | |
499 | IN CONST EFI_GUID *Guid,\r | |
500 | IN UINTN ExTokenNumber\r | |
501 | )\r | |
502 | {\r | |
503 | return DxePcdGetSize(GetExPcdTokenNumber (Guid, (UINT32) ExTokenNumber));\r | |
504 | }\r | |
505 | \r | |
2ab6330e | 506 | /**\r |
507 | Sets an 8-bit value for a given PCD token.\r | |
508 | \r | |
509 | When the PCD service sets a value, it will check to ensure that the \r | |
510 | size of the value being set is compatible with the Token's existing definition. \r | |
511 | If it is not, an error will be returned.\r | |
80408db0 | 512 | \r |
2ab6330e | 513 | @param[in] TokenNumber The PCD token number. \r |
514 | @param[in] Value The value to set for the PCD token.\r | |
80408db0 | 515 | \r |
2ab6330e | 516 | @retval EFI_SUCCESS Procedure returned successfully.\r |
517 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
518 | being set was incompatible with a call to this function. \r | |
519 | Use GetSize() to retrieve the size of the target data.\r | |
520 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
521 | \r | |
522 | **/\r | |
80408db0 | 523 | EFI_STATUS\r |
524 | EFIAPI\r | |
525 | DxePcdSet8 (\r | |
526 | IN UINTN TokenNumber,\r | |
527 | IN UINT8 Value\r | |
528 | )\r | |
529 | {\r | |
530 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r | |
531 | }\r | |
532 | \r | |
2ab6330e | 533 | /**\r |
534 | Sets an 16-bit value for a given PCD token.\r | |
80408db0 | 535 | \r |
2ab6330e | 536 | When the PCD service sets a value, it will check to ensure that the \r |
537 | size of the value being set is compatible with the Token's existing definition. \r | |
538 | If it is not, an error will be returned.\r | |
80408db0 | 539 | \r |
2ab6330e | 540 | @param[in] TokenNumber The PCD token number. \r |
541 | @param[in] Value The value to set for the PCD token.\r | |
542 | \r | |
543 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
544 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
545 | being set was incompatible with a call to this function. \r | |
546 | Use GetSize() to retrieve the size of the target data.\r | |
547 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
548 | \r | |
549 | **/\r | |
80408db0 | 550 | EFI_STATUS\r |
551 | EFIAPI\r | |
552 | DxePcdSet16 (\r | |
553 | IN UINTN TokenNumber,\r | |
554 | IN UINT16 Value\r | |
555 | )\r | |
556 | {\r | |
557 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r | |
558 | }\r | |
559 | \r | |
2ab6330e | 560 | /**\r |
561 | Sets an 32-bit value for a given PCD token.\r | |
562 | \r | |
563 | When the PCD service sets a value, it will check to ensure that the \r | |
564 | size of the value being set is compatible with the Token's existing definition. \r | |
565 | If it is not, an error will be returned.\r | |
80408db0 | 566 | \r |
2ab6330e | 567 | @param[in] TokenNumber The PCD token number. \r |
568 | @param[in] Value The value to set for the PCD token.\r | |
80408db0 | 569 | \r |
2ab6330e | 570 | @retval EFI_SUCCESS Procedure returned successfully.\r |
571 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
572 | being set was incompatible with a call to this function. \r | |
573 | Use GetSize() to retrieve the size of the target data.\r | |
574 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
575 | \r | |
576 | **/\r | |
80408db0 | 577 | EFI_STATUS\r |
578 | EFIAPI\r | |
579 | DxePcdSet32 (\r | |
580 | IN UINTN TokenNumber,\r | |
581 | IN UINT32 Value\r | |
582 | )\r | |
583 | {\r | |
584 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r | |
585 | }\r | |
586 | \r | |
2ab6330e | 587 | /**\r |
588 | Sets an 64-bit value for a given PCD token.\r | |
80408db0 | 589 | \r |
2ab6330e | 590 | When the PCD service sets a value, it will check to ensure that the \r |
591 | size of the value being set is compatible with the Token's existing definition. \r | |
592 | If it is not, an error will be returned.\r | |
80408db0 | 593 | \r |
2ab6330e | 594 | @param[in] TokenNumber The PCD token number. \r |
595 | @param[in] Value The value to set for the PCD token.\r | |
596 | \r | |
597 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
598 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
599 | being set was incompatible with a call to this function. \r | |
600 | Use GetSize() to retrieve the size of the target data.\r | |
601 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
602 | \r | |
603 | **/\r | |
80408db0 | 604 | EFI_STATUS\r |
605 | EFIAPI\r | |
606 | DxePcdSet64 (\r | |
607 | IN UINTN TokenNumber,\r | |
608 | IN UINT64 Value\r | |
609 | )\r | |
610 | {\r | |
611 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r | |
612 | }\r | |
613 | \r | |
2ab6330e | 614 | /**\r |
615 | Sets a value of a specified size for a given PCD token.\r | |
616 | \r | |
617 | When the PCD service sets a value, it will check to ensure that the \r | |
618 | size of the value being set is compatible with the Token's existing definition. \r | |
619 | If it is not, an error will be returned.\r | |
620 | \r | |
621 | @param[in] TokenNumber The PCD token number. \r | |
622 | @param[in, out] SizeOfBuffer A pointer to the length of the value being set for the PCD token. \r | |
623 | On input, if the SizeOfValue is greater than the maximum size supported \r | |
624 | for this TokenNumber then the output value of SizeOfValue will reflect \r | |
625 | the maximum size supported for this TokenNumber.\r | |
626 | @param[in] Buffer The buffer to set for the PCD token.\r | |
627 | \r | |
628 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
629 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
630 | being set was incompatible with a call to this function. \r | |
631 | Use GetSize() to retrieve the size of the target data.\r | |
632 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
633 | \r | |
634 | **/\r | |
80408db0 | 635 | EFI_STATUS\r |
636 | EFIAPI\r | |
637 | DxePcdSetPtr (\r | |
638 | IN UINTN TokenNumber,\r | |
639 | IN OUT UINTN *SizeOfBuffer,\r | |
640 | IN VOID *Buffer\r | |
641 | )\r | |
642 | {\r | |
643 | return SetWorker (TokenNumber, Buffer, SizeOfBuffer, TRUE);\r | |
644 | }\r | |
645 | \r | |
2ab6330e | 646 | /**\r |
647 | Sets an Boolean value for a given PCD token.\r | |
80408db0 | 648 | \r |
2ab6330e | 649 | When the PCD service sets a value, it will check to ensure that the \r |
650 | size of the value being set is compatible with the Token's existing definition. \r | |
651 | If it is not, an error will be returned.\r | |
80408db0 | 652 | \r |
2ab6330e | 653 | @param[in] TokenNumber The PCD token number. \r |
654 | @param[in] Value The value to set for the PCD token.\r | |
655 | \r | |
656 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
657 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
658 | being set was incompatible with a call to this function. \r | |
659 | Use GetSize() to retrieve the size of the target data.\r | |
660 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
661 | \r | |
662 | **/\r | |
80408db0 | 663 | EFI_STATUS\r |
664 | EFIAPI\r | |
665 | DxePcdSetBool (\r | |
666 | IN UINTN TokenNumber,\r | |
667 | IN BOOLEAN Value\r | |
668 | )\r | |
669 | {\r | |
670 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r | |
671 | }\r | |
672 | \r | |
2ab6330e | 673 | /**\r |
674 | Sets an 8-bit value for a given PCD token.\r | |
675 | \r | |
676 | When the PCD service sets a value, it will check to ensure that the \r | |
677 | size of the value being set is compatible with the Token's existing definition. \r | |
678 | If it is not, an error will be returned.\r | |
80408db0 | 679 | \r |
2ab6330e | 680 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
681 | @param[in] ExTokenNumber The PCD token number. \r | |
682 | @param[in] Value The value to set for the PCD token.\r | |
80408db0 | 683 | \r |
2ab6330e | 684 | @retval EFI_SUCCESS Procedure returned successfully.\r |
685 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
686 | being set was incompatible with a call to this function. \r | |
687 | Use GetSize() to retrieve the size of the target data.\r | |
688 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
689 | \r | |
690 | **/\r | |
80408db0 | 691 | EFI_STATUS\r |
692 | EFIAPI\r | |
693 | DxePcdSet8Ex (\r | |
694 | IN CONST EFI_GUID *Guid,\r | |
695 | IN UINTN ExTokenNumber,\r | |
696 | IN UINT8 Value\r | |
697 | )\r | |
698 | {\r | |
699 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r | |
700 | }\r | |
701 | \r | |
2ab6330e | 702 | /**\r |
703 | Sets an 16-bit value for a given PCD token.\r | |
80408db0 | 704 | \r |
2ab6330e | 705 | When the PCD service sets a value, it will check to ensure that the \r |
706 | size of the value being set is compatible with the Token's existing definition. \r | |
707 | If it is not, an error will be returned.\r | |
80408db0 | 708 | \r |
2ab6330e | 709 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
710 | @param[in] ExTokenNumber The PCD token number. \r | |
711 | @param[in] Value The value to set for the PCD token.\r | |
712 | \r | |
713 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
714 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
715 | being set was incompatible with a call to this function. \r | |
716 | Use GetSize() to retrieve the size of the target data.\r | |
717 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
718 | \r | |
719 | **/\r | |
80408db0 | 720 | EFI_STATUS\r |
721 | EFIAPI\r | |
722 | DxePcdSet16Ex (\r | |
723 | IN CONST EFI_GUID *Guid,\r | |
724 | IN UINTN ExTokenNumber,\r | |
725 | IN UINT16 Value\r | |
726 | )\r | |
727 | {\r | |
728 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r | |
729 | }\r | |
730 | \r | |
2ab6330e | 731 | /**\r |
732 | Sets an 32-bit value for a given PCD token.\r | |
733 | \r | |
734 | When the PCD service sets a value, it will check to ensure that the \r | |
735 | size of the value being set is compatible with the Token's existing definition. \r | |
736 | If it is not, an error will be returned.\r | |
80408db0 | 737 | \r |
2ab6330e | 738 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
739 | @param[in] ExTokenNumber The PCD token number. \r | |
740 | @param[in] Value The value to set for the PCD token.\r | |
80408db0 | 741 | \r |
2ab6330e | 742 | @retval EFI_SUCCESS Procedure returned successfully.\r |
743 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
744 | being set was incompatible with a call to this function. \r | |
745 | Use GetSize() to retrieve the size of the target data.\r | |
746 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
747 | \r | |
748 | **/\r | |
80408db0 | 749 | EFI_STATUS\r |
750 | EFIAPI\r | |
751 | DxePcdSet32Ex (\r | |
752 | IN CONST EFI_GUID *Guid,\r | |
753 | IN UINTN ExTokenNumber,\r | |
754 | IN UINT32 Value\r | |
755 | )\r | |
756 | {\r | |
757 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r | |
758 | }\r | |
759 | \r | |
2ab6330e | 760 | /**\r |
761 | Sets an 64-bit value for a given PCD token.\r | |
762 | \r | |
763 | When the PCD service sets a value, it will check to ensure that the \r | |
764 | size of the value being set is compatible with the Token's existing definition. \r | |
765 | If it is not, an error will be returned.\r | |
80408db0 | 766 | \r |
2ab6330e | 767 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
768 | @param[in] ExTokenNumber The PCD token number. \r | |
769 | @param[in] Value The value to set for the PCD token.\r | |
80408db0 | 770 | \r |
2ab6330e | 771 | @retval EFI_SUCCESS Procedure returned successfully.\r |
772 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
773 | being set was incompatible with a call to this function. \r | |
774 | Use GetSize() to retrieve the size of the target data.\r | |
775 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
776 | \r | |
777 | **/\r | |
80408db0 | 778 | EFI_STATUS\r |
779 | EFIAPI\r | |
780 | DxePcdSet64Ex (\r | |
781 | IN CONST EFI_GUID *Guid,\r | |
782 | IN UINTN ExTokenNumber,\r | |
783 | IN UINT64 Value\r | |
784 | )\r | |
785 | {\r | |
786 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r | |
787 | }\r | |
788 | \r | |
2ab6330e | 789 | /**\r |
790 | Sets a value of a specified size for a given PCD token.\r | |
791 | \r | |
792 | When the PCD service sets a value, it will check to ensure that the \r | |
793 | size of the value being set is compatible with the Token's existing definition. \r | |
794 | If it is not, an error will be returned.\r | |
795 | \r | |
796 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r | |
797 | @param[in] ExTokenNumber The PCD token number. \r | |
798 | @param[in, out] SizeOfBuffer A pointer to the length of the value being set for the PCD token. \r | |
799 | On input, if the SizeOfValue is greater than the maximum size supported \r | |
800 | for this TokenNumber then the output value of SizeOfValue will reflect \r | |
801 | the maximum size supported for this TokenNumber.\r | |
802 | @param[in] Buffer The buffer to set for the PCD token.\r | |
803 | \r | |
804 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
805 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
806 | being set was incompatible with a call to this function. \r | |
807 | Use GetSize() to retrieve the size of the target data.\r | |
808 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
809 | \r | |
810 | **/\r | |
80408db0 | 811 | EFI_STATUS\r |
812 | EFIAPI\r | |
813 | DxePcdSetPtrEx (\r | |
814 | IN CONST EFI_GUID *Guid,\r | |
815 | IN UINTN ExTokenNumber,\r | |
816 | IN OUT UINTN *SizeOfBuffer,\r | |
817 | IN VOID *Buffer\r | |
818 | )\r | |
819 | {\r | |
820 | return ExSetWorker(ExTokenNumber, Guid, Buffer, SizeOfBuffer, TRUE);\r | |
821 | }\r | |
822 | \r | |
2ab6330e | 823 | /**\r |
824 | Sets an Boolean value for a given PCD token.\r | |
80408db0 | 825 | \r |
2ab6330e | 826 | When the PCD service sets a value, it will check to ensure that the \r |
827 | size of the value being set is compatible with the Token's existing definition. \r | |
828 | If it is not, an error will be returned.\r | |
80408db0 | 829 | \r |
2ab6330e | 830 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
831 | @param[in] ExTokenNumber The PCD token number. \r | |
832 | @param[in] Value The value to set for the PCD token.\r | |
833 | \r | |
834 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
835 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
836 | being set was incompatible with a call to this function. \r | |
837 | Use GetSize() to retrieve the size of the target data.\r | |
838 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
839 | \r | |
840 | **/\r | |
80408db0 | 841 | EFI_STATUS\r |
842 | EFIAPI\r | |
843 | DxePcdSetBoolEx (\r | |
844 | IN CONST EFI_GUID *Guid,\r | |
845 | IN UINTN ExTokenNumber,\r | |
846 | IN BOOLEAN Value\r | |
847 | )\r | |
848 | {\r | |
849 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r | |
850 | }\r | |
851 | \r | |
2ab6330e | 852 | /**\r |
853 | Specifies a function to be called anytime the value of a designated token is changed.\r | |
80408db0 | 854 | \r |
2ab6330e | 855 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
856 | @param[in] TokenNumber The PCD token number. \r | |
857 | @param[in] CallBackFunction The function prototype called when the value associated with the CallBackToken is set. \r | |
80408db0 | 858 | \r |
2ab6330e | 859 | @retval EFI_SUCCESS The PCD service has successfully established a call event \r |
860 | for the CallBackToken requested.\r | |
861 | @retval EFI_NOT_FOUND The PCD service could not find the referenced token number.\r | |
80408db0 | 862 | \r |
2ab6330e | 863 | **/\r |
80408db0 | 864 | EFI_STATUS\r |
865 | EFIAPI\r | |
866 | DxeRegisterCallBackOnSet (\r | |
867 | IN CONST EFI_GUID *Guid, OPTIONAL\r | |
868 | IN UINTN TokenNumber,\r | |
869 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r | |
870 | )\r | |
871 | {\r | |
872 | EFI_STATUS Status;\r | |
873 | \r | |
874 | ASSERT (CallBackFunction != NULL);\r | |
875 | \r | |
876 | //\r | |
877 | // Aquire lock to prevent reentrance from TPL_CALLBACK level\r | |
878 | //\r | |
879 | EfiAcquireLock (&mPcdDatabaseLock);\r | |
880 | \r | |
881 | Status = DxeRegisterCallBackWorker (TokenNumber, Guid, CallBackFunction);\r | |
882 | \r | |
883 | EfiReleaseLock (&mPcdDatabaseLock);\r | |
884 | \r | |
885 | return Status;\r | |
886 | }\r | |
887 | \r | |
2ab6330e | 888 | /**\r |
889 | Cancels a previously set callback function for a particular PCD token number.\r | |
80408db0 | 890 | \r |
2ab6330e | 891 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
892 | @param[in] TokenNumber The PCD token number. \r | |
893 | @param[in] CallBackFunction The function prototype called when the value associated with the CallBackToken is set. \r | |
80408db0 | 894 | \r |
2ab6330e | 895 | @retval EFI_SUCCESS The PCD service has successfully established a call event \r |
896 | for the CallBackToken requested.\r | |
897 | @retval EFI_NOT_FOUND The PCD service could not find the referenced token number.\r | |
898 | \r | |
899 | **/\r | |
80408db0 | 900 | EFI_STATUS\r |
901 | EFIAPI\r | |
902 | DxeUnRegisterCallBackOnSet (\r | |
903 | IN CONST EFI_GUID *Guid, OPTIONAL\r | |
904 | IN UINTN TokenNumber,\r | |
905 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r | |
906 | )\r | |
907 | {\r | |
908 | EFI_STATUS Status;\r | |
909 | \r | |
910 | ASSERT (CallBackFunction != NULL);\r | |
911 | \r | |
912 | //\r | |
913 | // Aquire lock to prevent reentrance from TPL_CALLBACK level\r | |
914 | //\r | |
915 | EfiAcquireLock (&mPcdDatabaseLock);\r | |
916 | \r | |
917 | Status = DxeUnRegisterCallBackWorker (TokenNumber, Guid, CallBackFunction);\r | |
918 | \r | |
919 | EfiReleaseLock (&mPcdDatabaseLock);\r | |
920 | \r | |
921 | return Status;\r | |
922 | }\r | |
923 | \r | |
2ab6330e | 924 | /**\r |
925 | Retrieves the next valid PCD token for a given namespace.\r | |
80408db0 | 926 | \r |
2ab6330e | 927 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
928 | @param[in, out] TokenNumber A pointer to the PCD token number to use to find the subsequent token number. \r | |
929 | If the input token namespace or token number does not exist on the platform, \r | |
930 | an error is returned and the value of *TokenNumber is undefined. To retrieve the "first" token, \r | |
931 | have the pointer reference a TokenNumber value of 0. If the input token number is 0 and \r | |
932 | there is no valid token number for this token namespace, *TokenNumber will be assigned to \r | |
933 | 0 and the function return EFI_SUCCESS. If the token number is the last valid token number, \r | |
934 | *TokenNumber will be assigned to 0 and the function return EFI_SUCCESS.\r | |
80408db0 | 935 | \r |
2ab6330e | 936 | @retval EFI_SUCCESS The PCD service retrieved the next valid token number. Or the input token number \r |
937 | is already the last valid token number in the PCD database. \r | |
938 | In the later case, *TokenNumber is updated with the value of 0.\r | |
939 | @retval EFI_NOT_FOUND If this input token number and token namespace does not exist on the platform.\r | |
940 | \r | |
941 | **/\r | |
80408db0 | 942 | EFI_STATUS\r |
943 | EFIAPI\r | |
944 | DxePcdGetNextToken (\r | |
945 | IN CONST EFI_GUID *Guid, OPTIONAL\r | |
946 | IN OUT UINTN *TokenNumber\r | |
947 | )\r | |
948 | {\r | |
949 | EFI_STATUS Status;\r | |
950 | BOOLEAN PeiExMapTableEmpty;\r | |
951 | BOOLEAN DxeExMapTableEmpty;\r | |
952 | \r | |
953 | if (!FeaturePcdGet (PcdDxePcdDatabaseTraverseEnabled)) {\r | |
954 | return EFI_UNSUPPORTED;\r | |
955 | }\r | |
956 | \r | |
957 | Status = EFI_NOT_FOUND;\r | |
958 | PeiExMapTableEmpty = PEI_EXMAP_TABLE_EMPTY;\r | |
959 | DxeExMapTableEmpty = DXE_EXMAP_TABLE_EMPTY;\r | |
960 | \r | |
961 | //\r | |
962 | // Scan the local token space\r | |
963 | //\r | |
964 | if (Guid == NULL) {\r | |
965 | // EBC compiler is very choosy. It may report warning about comparison\r | |
966 | // between UINTN and 0 . So we add 1 in each size of the \r | |
967 | // comparison.\r | |
968 | if (((*TokenNumber + 1 > PEI_NEX_TOKEN_NUMBER + 1) && (*TokenNumber + 1 < PEI_LOCAL_TOKEN_NUMBER + 1)) ||\r | |
969 | ((*TokenNumber + 1 > (PEI_LOCAL_TOKEN_NUMBER + DXE_NEX_TOKEN_NUMBER + 1)))) {\r | |
970 | return EFI_NOT_FOUND;\r | |
971 | }\r | |
972 | \r | |
973 | (*TokenNumber)++;\r | |
974 | if ((*TokenNumber + 1 > PEI_NEX_TOKEN_NUMBER + 1) &&\r | |
975 | (*TokenNumber <= PEI_LOCAL_TOKEN_NUMBER)) {\r | |
976 | //\r | |
977 | // The first Non-Ex type Token Number for DXE PCD \r | |
978 | // database is PEI_LOCAL_TOKEN_NUMBER\r | |
979 | //\r | |
980 | *TokenNumber = PEI_LOCAL_TOKEN_NUMBER;\r | |
981 | } else if (*TokenNumber + 1 > DXE_NEX_TOKEN_NUMBER + PEI_LOCAL_TOKEN_NUMBER + 1) {\r | |
982 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r | |
983 | }\r | |
984 | return EFI_SUCCESS;\r | |
985 | }\r | |
986 | \r | |
987 | if (PeiExMapTableEmpty && DxeExMapTableEmpty) {\r | |
988 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r | |
989 | return EFI_NOT_FOUND;\r | |
990 | }\r | |
991 | \r | |
992 | if (!PeiExMapTableEmpty) {\r | |
993 | Status = ExGetNextTokeNumber (\r | |
994 | Guid,\r | |
995 | TokenNumber,\r | |
996 | mPcdDatabase->PeiDb.Init.GuidTable,\r | |
997 | sizeof(mPcdDatabase->PeiDb.Init.GuidTable),\r | |
998 | mPcdDatabase->PeiDb.Init.ExMapTable,\r | |
999 | sizeof(mPcdDatabase->PeiDb.Init.ExMapTable)\r | |
1000 | );\r | |
1001 | }\r | |
1002 | \r | |
1003 | if (Status == EFI_SUCCESS) {\r | |
1004 | return Status;\r | |
1005 | }\r | |
1006 | \r | |
1007 | if (!DxeExMapTableEmpty) {\r | |
1008 | Status = ExGetNextTokeNumber (\r | |
1009 | Guid,\r | |
1010 | TokenNumber,\r | |
1011 | mPcdDatabase->DxeDb.Init.GuidTable,\r | |
1012 | sizeof(mPcdDatabase->DxeDb.Init.GuidTable),\r | |
1013 | mPcdDatabase->DxeDb.Init.ExMapTable,\r | |
1014 | sizeof(mPcdDatabase->DxeDb.Init.ExMapTable)\r | |
1015 | );\r | |
1016 | }\r | |
1017 | \r | |
1018 | return Status;\r | |
1019 | }\r | |
1020 | \r | |
2ab6330e | 1021 | /**\r |
1022 | Get all token space guid table which is different with given token space guid.\r | |
1023 | \r | |
1024 | @param ExMapTableSize The size of guid table\r | |
1025 | @param ExMapTable Token space guid table that want to be scaned.\r | |
1026 | @param GuidTable Guid table\r | |
1027 | \r | |
1028 | @return all token space guid table which is different with given token space guid.\r | |
1029 | \r | |
1030 | **/\r | |
80408db0 | 1031 | EFI_GUID **\r |
1032 | GetDistinctTokenSpace (\r | |
1033 | IN OUT UINTN *ExMapTableSize,\r | |
1034 | IN DYNAMICEX_MAPPING *ExMapTable,\r | |
1035 | IN EFI_GUID *GuidTable\r | |
1036 | )\r | |
1037 | {\r | |
1038 | EFI_GUID **DistinctTokenSpace;\r | |
1039 | UINTN OldGuidIndex;\r | |
1040 | UINTN TsIdx;\r | |
1041 | UINTN Idx;\r | |
1042 | \r | |
1043 | \r | |
1044 | DistinctTokenSpace = AllocateZeroPool (*ExMapTableSize * sizeof (EFI_GUID *));\r | |
1045 | ASSERT (DistinctTokenSpace != NULL);\r | |
1046 | \r | |
1047 | TsIdx = 0;\r | |
1048 | OldGuidIndex = ExMapTable[0].ExGuidIndex;\r | |
1049 | DistinctTokenSpace[TsIdx] = &GuidTable[OldGuidIndex];\r | |
1050 | for (Idx = 1; Idx < *ExMapTableSize; Idx++) {\r | |
1051 | if (ExMapTable[Idx].ExGuidIndex != OldGuidIndex) {\r | |
1052 | OldGuidIndex = ExMapTable[Idx].ExGuidIndex;\r | |
1053 | DistinctTokenSpace[++TsIdx] = &GuidTable[OldGuidIndex];\r | |
1054 | }\r | |
1055 | }\r | |
1056 | \r | |
1057 | //\r | |
1058 | // The total number of Distinct Token Space\r | |
1059 | // is TsIdx + 1 because we use TsIdx as a index\r | |
1060 | // to the DistinctTokenSpace[]\r | |
1061 | //\r | |
1062 | *ExMapTableSize = TsIdx + 1;\r | |
1063 | return DistinctTokenSpace;\r | |
1064 | \r | |
1065 | }\r | |
1066 | \r | |
2ab6330e | 1067 | /**\r |
1068 | Get next token space in PCD database according to given token space guid.\r | |
1069 | \r | |
1070 | This routine is enable only when feature flag PCD PcdDxePcdDatabaseTraverseEnabled \r | |
1071 | is TRUE.\r | |
1072 | \r | |
1073 | @param Guid Given token space guid. If NULL, then Guid will be set to \r | |
1074 | the first PCD token space in PCD database, If not NULL, then\r | |
1075 | Guid will be set to next PCD token space.\r | |
1076 | \r | |
1077 | @retval EFI_UNSUPPORTED If feature flag PCD PcdDxePcdDatabaseTraverseEnabled is FALSE.\r | |
1078 | @retval EFI_NOT_FOUND If PCD database has no token space table or can not find given\r | |
1079 | token space in PCD database.\r | |
1080 | @retval EFI_SUCCESS Success to get next token space guid.\r | |
1081 | **/\r | |
80408db0 | 1082 | EFI_STATUS\r |
1083 | EFIAPI\r | |
1084 | DxePcdGetNextTokenSpace (\r | |
1085 | IN OUT CONST EFI_GUID **Guid\r | |
1086 | )\r | |
1087 | {\r | |
1088 | UINTN Idx;\r | |
1089 | UINTN Idx2;\r | |
1090 | UINTN Idx3;\r | |
1091 | UINTN PeiTokenSpaceTableSize;\r | |
1092 | UINTN DxeTokenSpaceTableSize;\r | |
1093 | EFI_GUID **PeiTokenSpaceTable;\r | |
1094 | EFI_GUID **DxeTokenSpaceTable;\r | |
1095 | BOOLEAN Match;\r | |
1096 | BOOLEAN PeiExMapTableEmpty;\r | |
1097 | BOOLEAN DxeExMapTableEmpty;\r | |
1098 | \r | |
1099 | if (!FeaturePcdGet (PcdDxePcdDatabaseTraverseEnabled)) {\r | |
1100 | return EFI_UNSUPPORTED;\r | |
1101 | }\r | |
1102 | \r | |
1103 | ASSERT (Guid != NULL);\r | |
1104 | \r | |
1105 | PeiExMapTableEmpty = PEI_EXMAP_TABLE_EMPTY;\r | |
1106 | DxeExMapTableEmpty = DXE_EXMAP_TABLE_EMPTY;\r | |
1107 | \r | |
1108 | if (PeiExMapTableEmpty && DxeExMapTableEmpty) {\r | |
1109 | if (*Guid != NULL) {\r | |
1110 | return EFI_NOT_FOUND;\r | |
1111 | } else {\r | |
1112 | return EFI_SUCCESS;\r | |
1113 | }\r | |
1114 | }\r | |
1115 | \r | |
1116 | \r | |
1117 | if (TmpTokenSpaceBuffer[0] == NULL) {\r | |
1118 | PeiTokenSpaceTableSize = 0;\r | |
1119 | \r | |
1120 | if (!PeiExMapTableEmpty) {\r | |
1121 | PeiTokenSpaceTableSize = PEI_EXMAPPING_TABLE_SIZE;\r | |
1122 | PeiTokenSpaceTable = GetDistinctTokenSpace (&PeiTokenSpaceTableSize,\r | |
1123 | mPcdDatabase->PeiDb.Init.ExMapTable,\r | |
1124 | mPcdDatabase->PeiDb.Init.GuidTable\r | |
1125 | );\r | |
1126 | CopyMem (TmpTokenSpaceBuffer, PeiTokenSpaceTable, sizeof (EFI_GUID*) * PeiTokenSpaceTableSize);\r | |
1127 | }\r | |
1128 | \r | |
1129 | if (!DxeExMapTableEmpty) {\r | |
1130 | DxeTokenSpaceTableSize = DXE_EXMAPPING_TABLE_SIZE;\r | |
1131 | DxeTokenSpaceTable = GetDistinctTokenSpace (&DxeTokenSpaceTableSize,\r | |
1132 | mPcdDatabase->DxeDb.Init.ExMapTable,\r | |
1133 | mPcdDatabase->DxeDb.Init.GuidTable\r | |
1134 | );\r | |
1135 | \r | |
1136 | //\r | |
1137 | // Make sure EFI_GUID in DxeTokenSpaceTable does not exist in PeiTokenSpaceTable\r | |
1138 | //\r | |
1139 | for (Idx2 = 0, Idx3 = PeiTokenSpaceTableSize; Idx2 < DxeTokenSpaceTableSize; Idx2++) {\r | |
1140 | Match = FALSE;\r | |
1141 | for (Idx = 0; Idx < PeiTokenSpaceTableSize; Idx++) {\r | |
1142 | if (CompareGuid (TmpTokenSpaceBuffer[Idx], DxeTokenSpaceTable[Idx2])) {\r | |
1143 | Match = TRUE;\r | |
1144 | break;\r | |
1145 | }\r | |
1146 | }\r | |
1147 | if (!Match) {\r | |
1148 | TmpTokenSpaceBuffer[Idx3++] = DxeTokenSpaceTable[Idx2];\r | |
1149 | }\r | |
1150 | }\r | |
1151 | }\r | |
1152 | }\r | |
1153 | \r | |
1154 | if (*Guid == NULL) {\r | |
1155 | *Guid = TmpTokenSpaceBuffer[0];\r | |
1156 | return EFI_SUCCESS;\r | |
1157 | }\r | |
1158 | \r | |
1159 | for (Idx = 0; Idx < (PEI_EXMAPPING_TABLE_SIZE + DXE_EXMAPPING_TABLE_SIZE); Idx++) {\r | |
1160 | if(CompareGuid (*Guid, TmpTokenSpaceBuffer[Idx])) {\r | |
1161 | Idx++;\r | |
1162 | *Guid = TmpTokenSpaceBuffer[Idx];\r | |
1163 | return EFI_SUCCESS;\r | |
1164 | }\r | |
1165 | }\r | |
1166 | \r | |
1167 | return EFI_NOT_FOUND;\r | |
80408db0 | 1168 | }\r |
1169 | \r | |
1170 | \r |