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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 |
8a541f0a | 3 | produce the implementation of native PCD protocol and EFI_PCD_PROTOCOL defined in\r |
120ca3ce | 4 | PI 1.4a Vol3.\r |
80408db0 | 5 | \r |
d1102dba | 6 | Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r |
9d510e61 | 7 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
80408db0 | 8 | \r |
80408db0 | 9 | **/\r |
10 | \r | |
80408db0 | 11 | #include "Service.h"\r |
12 | \r | |
2ab6330e | 13 | ///\r |
14 | /// PCD database lock.\r | |
15 | ///\r | |
6a429dfa | 16 | EFI_LOCK mPcdDatabaseLock = EFI_INITIALIZE_LOCK_VARIABLE(TPL_NOTIFY);\r |
80408db0 | 17 | \r |
17e7fa8f | 18 | ///\r |
d1102dba | 19 | /// PCD_PROTOCOL the EDKII native implementation which support dynamic\r |
17e7fa8f | 20 | /// type and dynamicEx type PCDs.\r |
21 | ///\r | |
80408db0 | 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 | |
55 | DxeRegisterCallBackOnSet,\r | |
56 | DxeUnRegisterCallBackOnSet,\r | |
57 | DxePcdGetNextToken,\r | |
58 | DxePcdGetNextTokenSpace\r | |
59 | };\r | |
60 | \r | |
17e7fa8f | 61 | ///\r |
62 | /// EFI_PCD_PROTOCOL is defined in PI 1.2 Vol 3 which only support dynamicEx type\r | |
63 | /// PCD.\r | |
64 | ///\r | |
c896d682 | 65 | EFI_PCD_PROTOCOL mEfiPcdInstance = {\r |
66 | DxePcdSetSku,\r | |
67 | DxePcdGet8Ex,\r | |
68 | DxePcdGet16Ex,\r | |
69 | DxePcdGet32Ex,\r | |
70 | DxePcdGet64Ex,\r | |
71 | DxePcdGetPtrEx,\r | |
72 | DxePcdGetBoolEx,\r | |
73 | DxePcdGetSizeEx,\r | |
74 | DxePcdSet8Ex,\r | |
75 | DxePcdSet16Ex,\r | |
76 | DxePcdSet32Ex,\r | |
77 | DxePcdSet64Ex,\r | |
78 | DxePcdSetPtrEx,\r | |
79 | DxePcdSetBoolEx,\r | |
80 | (EFI_PCD_PROTOCOL_CALLBACK_ON_SET) DxeRegisterCallBackOnSet,\r | |
81 | (EFI_PCD_PROTOCOL_CANCEL_CALLBACK) DxeUnRegisterCallBackOnSet,\r | |
82 | DxePcdGetNextToken,\r | |
83 | DxePcdGetNextTokenSpace\r | |
84 | };\r | |
80408db0 | 85 | \r |
96d6d004 SZ |
86 | ///\r |
87 | /// Instance of GET_PCD_INFO_PROTOCOL protocol is EDKII native implementation.\r | |
88 | /// This protocol instance support dynamic and dynamicEx type PCDs.\r | |
89 | ///\r | |
90 | GET_PCD_INFO_PROTOCOL mGetPcdInfoInstance = {\r | |
91 | DxeGetPcdInfoGetInfo,\r | |
92 | DxeGetPcdInfoGetInfoEx,\r | |
93 | DxeGetPcdInfoGetSku\r | |
94 | };\r | |
95 | \r | |
96 | ///\r | |
97 | /// Instance of EFI_GET_PCD_INFO_PROTOCOL which is defined in PI 1.2.1 Vol 3.\r | |
98 | /// This PPI instance only support dyanmicEx type PCD.\r | |
99 | ///\r | |
100 | EFI_GET_PCD_INFO_PROTOCOL mEfiGetPcdInfoInstance = {\r | |
101 | DxeGetPcdInfoGetInfoEx,\r | |
102 | DxeGetPcdInfoGetSku\r | |
103 | };\r | |
104 | \r | |
17e7fa8f | 105 | EFI_HANDLE mPcdHandle = NULL;\r |
534efca0 | 106 | UINTN mVpdBaseAddress = 0;\r |
80408db0 | 107 | \r |
2ab6330e | 108 | /**\r |
109 | Main entry for PCD DXE driver.\r | |
d1102dba | 110 | \r |
2ab6330e | 111 | This routine initialize the PCD database and install PCD_PROTOCOL.\r |
d1102dba | 112 | \r |
2ab6330e | 113 | @param ImageHandle Image handle for PCD DXE driver.\r |
114 | @param SystemTable Pointer to SystemTable.\r | |
115 | \r | |
116 | @return Status of gBS->InstallProtocolInterface()\r | |
117 | \r | |
118 | **/\r | |
80408db0 | 119 | EFI_STATUS\r |
120 | EFIAPI\r | |
121 | PcdDxeInit (\r | |
122 | IN EFI_HANDLE ImageHandle,\r | |
123 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
124 | )\r | |
125 | {\r | |
8a541f0a | 126 | EFI_STATUS Status;\r |
23f3e119 SZ |
127 | VOID *Registration;\r |
128 | \r | |
80408db0 | 129 | //\r |
130 | // Make sure the Pcd Protocol is not already installed in the system\r | |
131 | //\r | |
132 | \r | |
133 | ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gPcdProtocolGuid);\r | |
134 | \r | |
135 | BuildPcdDxeDataBase ();\r | |
136 | \r | |
c896d682 | 137 | //\r |
8a541f0a | 138 | // Install PCD_PROTOCOL to handle dynamic type PCD\r |
139 | // Install EFI_PCD_PROTOCOL to handle dynamicEx type PCD\r | |
c896d682 | 140 | //\r |
8a541f0a | 141 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
17e7fa8f | 142 | &mPcdHandle,\r |
143 | &gPcdProtocolGuid, &mPcdInstance,\r | |
144 | &gEfiPcdProtocolGuid, &mEfiPcdInstance,\r | |
145 | NULL\r | |
c896d682 | 146 | );\r |
80408db0 | 147 | ASSERT_EFI_ERROR (Status);\r |
148 | \r | |
61d8989f | 149 | //\r |
85d0b97d SZ |
150 | // Install GET_PCD_INFO_PROTOCOL to handle dynamic type PCD\r |
151 | // Install EFI_GET_PCD_INFO_PROTOCOL to handle dynamicEx type PCD\r | |
61d8989f | 152 | //\r |
85d0b97d SZ |
153 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
154 | &mPcdHandle,\r | |
155 | &gGetPcdInfoProtocolGuid, &mGetPcdInfoInstance,\r | |
156 | &gEfiGetPcdInfoProtocolGuid, &mEfiGetPcdInfoInstance,\r | |
157 | NULL\r | |
158 | );\r | |
159 | ASSERT_EFI_ERROR (Status);\r | |
96d6d004 | 160 | \r |
23f3e119 SZ |
161 | //\r |
162 | // Register callback function upon VariableLockProtocol\r | |
163 | // to lock the variables referenced by DynamicHii PCDs with RO property set in *.dsc.\r | |
164 | //\r | |
165 | EfiCreateProtocolNotifyEvent (\r | |
166 | &gEdkiiVariableLockProtocolGuid,\r | |
167 | TPL_CALLBACK,\r | |
168 | VariableLockCallBack,\r | |
169 | NULL,\r | |
170 | &Registration\r | |
171 | );\r | |
172 | \r | |
534efca0 LG |
173 | //\r |
174 | // Cache VpdBaseAddress in entry point for the following usage.\r | |
175 | //\r | |
176 | \r | |
177 | //\r | |
178 | // PcdVpdBaseAddress64 is DynamicEx PCD only. So, DxePcdGet64Ex() is used to get its value.\r | |
179 | //\r | |
180 | mVpdBaseAddress = (UINTN) DxePcdGet64Ex (&gEfiMdeModulePkgTokenSpaceGuid, PcdToken (PcdVpdBaseAddress64));\r | |
181 | if (mVpdBaseAddress == 0) {\r | |
182 | //\r | |
183 | // PcdVpdBaseAddress64 is not set, get value from PcdVpdBaseAddress.\r | |
184 | //\r | |
185 | mVpdBaseAddress = (UINTN) PcdGet32 (PcdVpdBaseAddress);\r | |
186 | }\r | |
187 | \r | |
17e7fa8f | 188 | return Status;\r |
96d6d004 SZ |
189 | }\r |
190 | \r | |
191 | /**\r | |
192 | Retrieve additional information associated with a PCD token in the default token space.\r | |
193 | \r | |
194 | This includes information such as the type of value the TokenNumber is associated with as well as possible\r | |
195 | human readable name that is associated with the token.\r | |
196 | \r | |
197 | @param[in] TokenNumber The PCD token number.\r | |
198 | @param[out] PcdInfo The returned information associated with the requested TokenNumber.\r | |
199 | The caller is responsible for freeing the buffer that is allocated by callee for PcdInfo->PcdName.\r | |
200 | \r | |
201 | @retval EFI_SUCCESS The PCD information was returned successfully.\r | |
202 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
203 | **/\r | |
204 | EFI_STATUS\r | |
205 | EFIAPI\r | |
206 | DxeGetPcdInfoGetInfo (\r | |
207 | IN UINTN TokenNumber,\r | |
208 | OUT EFI_PCD_INFO *PcdInfo\r | |
209 | )\r | |
210 | {\r | |
211 | return DxeGetPcdInfo (NULL, TokenNumber, PcdInfo);\r | |
212 | }\r | |
213 | \r | |
214 | /**\r | |
215 | Retrieve additional information associated with a PCD token.\r | |
216 | \r | |
217 | This includes information such as the type of value the TokenNumber is associated with as well as possible\r | |
218 | human readable name that is associated with the token.\r | |
80408db0 | 219 | \r |
96d6d004 SZ |
220 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
221 | @param[in] TokenNumber The PCD token number.\r | |
222 | @param[out] PcdInfo The returned information associated with the requested TokenNumber.\r | |
223 | The caller is responsible for freeing the buffer that is allocated by callee for PcdInfo->PcdName.\r | |
224 | \r | |
225 | @retval EFI_SUCCESS The PCD information was returned successfully.\r | |
226 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
227 | **/\r | |
228 | EFI_STATUS\r | |
229 | EFIAPI\r | |
230 | DxeGetPcdInfoGetInfoEx (\r | |
231 | IN CONST EFI_GUID *Guid,\r | |
232 | IN UINTN TokenNumber,\r | |
233 | OUT EFI_PCD_INFO *PcdInfo\r | |
234 | )\r | |
235 | {\r | |
236 | return DxeGetPcdInfo (Guid, TokenNumber, PcdInfo);\r | |
237 | }\r | |
238 | \r | |
239 | /**\r | |
240 | Retrieve the currently set SKU Id.\r | |
241 | \r | |
242 | @return The currently set SKU Id. If the platform has not set at a SKU Id, then the\r | |
243 | default SKU Id value of 0 is returned. If the platform has set a SKU Id, then the currently set SKU\r | |
244 | Id is returned.\r | |
245 | **/\r | |
246 | UINTN\r | |
247 | EFIAPI\r | |
248 | DxeGetPcdInfoGetSku (\r | |
249 | VOID\r | |
250 | )\r | |
251 | {\r | |
b6e89910 | 252 | return (UINTN) mPcdDatabase.DxeDb->SystemSkuId;\r |
80408db0 | 253 | }\r |
254 | \r | |
2ab6330e | 255 | /**\r |
256 | Sets the SKU value for subsequent calls to set or get PCD token values.\r | |
257 | \r | |
d1102dba | 258 | SetSku() sets the SKU Id to be used for subsequent calls to set or get PCD values.\r |
2ab6330e | 259 | SetSku() is normally called only once by the system.\r |
260 | \r | |
d1102dba LG |
261 | For each item (token), the database can hold a single value that applies to all SKUs,\r |
262 | or multiple values, where each value is associated with a specific SKU Id. Items with multiple,\r | |
263 | SKU-specific values are called SKU enabled.\r | |
264 | \r | |
120ca3ce | 265 | The SKU Id of zero is reserved as a default.\r |
d1102dba LG |
266 | For tokens that are not SKU enabled, the system ignores any set SKU Id and works with the\r |
267 | single value for that token. For SKU-enabled tokens, the system will use the SKU Id set by the\r | |
268 | last call to SetSku(). If no SKU Id is set or the currently set SKU Id isn't valid for the specified token,\r | |
269 | the system uses the default SKU Id. If the system attempts to use the default SKU Id and no value has been\r | |
2ab6330e | 270 | set for that Id, the results are unpredictable.\r |
271 | \r | |
d1102dba | 272 | @param[in] SkuId The SKU value that will be used when the PCD service will retrieve and\r |
2ab6330e | 273 | set values associated with a PCD token.\r |
274 | \r | |
2ab6330e | 275 | **/\r |
80408db0 | 276 | VOID\r |
277 | EFIAPI\r | |
278 | DxePcdSetSku (\r | |
279 | IN UINTN SkuId\r | |
280 | )\r | |
281 | {\r | |
7c736265 LG |
282 | SKU_ID *SkuIdTable;\r |
283 | UINTN Index;\r | |
284 | EFI_STATUS Status;\r | |
85d0b97d | 285 | \r |
f71503c3 LG |
286 | DEBUG ((DEBUG_INFO, "PcdDxe - SkuId 0x%lx is to be set.\n", (SKU_ID) SkuId));\r |
287 | \r | |
2db48a1f SZ |
288 | if (SkuId == mPcdDatabase.DxeDb->SystemSkuId) {\r |
289 | //\r | |
290 | // The input SKU Id is equal to current SKU Id, return directly.\r | |
291 | //\r | |
f71503c3 | 292 | DEBUG ((DEBUG_INFO, "PcdDxe - SkuId is same to current system Sku.\n"));\r |
2db48a1f SZ |
293 | return;\r |
294 | }\r | |
295 | \r | |
296 | if (mPcdDatabase.DxeDb->SystemSkuId != (SKU_ID) 0) {\r | |
297 | DEBUG ((DEBUG_ERROR, "PcdDxe - The SKU Id could be changed only once."));\r | |
298 | DEBUG ((\r | |
299 | DEBUG_ERROR,\r | |
300 | "PcdDxe - The SKU Id was set to 0x%lx already, it could not be set to 0x%lx any more.",\r | |
301 | mPcdDatabase.DxeDb->SystemSkuId,\r | |
302 | (SKU_ID) SkuId\r | |
303 | ));\r | |
304 | ASSERT (FALSE);\r | |
305 | return;\r | |
306 | }\r | |
307 | \r | |
85d0b97d SZ |
308 | SkuIdTable = (SKU_ID *) ((UINT8 *) mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->SkuIdTableOffset);\r |
309 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r | |
310 | if (SkuId == SkuIdTable[Index + 1]) {\r | |
f71503c3 | 311 | DEBUG ((DEBUG_INFO, "PcdDxe - SkuId is found in SkuId table.\n"));\r |
7c736265 LG |
312 | Status = UpdatePcdDatabase (SkuId, TRUE);\r |
313 | if (!EFI_ERROR (Status)) {\r | |
314 | mPcdDatabase.DxeDb->SystemSkuId = (SKU_ID) SkuId;\r | |
315 | DEBUG ((DEBUG_INFO, "PcdDxe - Set current SKU Id to 0x%lx.\n", (SKU_ID) SkuId));\r | |
316 | return;\r | |
317 | }\r | |
85d0b97d SZ |
318 | }\r |
319 | }\r | |
320 | \r | |
321 | //\r | |
2db48a1f | 322 | // Invalid input SkuId, the default SKU Id will be still used for the system.\r |
85d0b97d | 323 | //\r |
f71503c3 | 324 | DEBUG ((DEBUG_ERROR, "PcdDxe - Invalid input SkuId, the default SKU Id will be still used.\n"));\r |
80408db0 | 325 | return;\r |
326 | }\r | |
327 | \r | |
2ab6330e | 328 | /**\r |
329 | Retrieves an 8-bit value for a given PCD token.\r | |
80408db0 | 330 | \r |
d1102dba | 331 | Retrieves the current byte-sized value for a PCD token number.\r |
2ab6330e | 332 | If the TokenNumber is invalid, the results are unpredictable.\r |
d1102dba LG |
333 | \r |
334 | @param[in] TokenNumber The PCD token number.\r | |
80408db0 | 335 | \r |
2ab6330e | 336 | @return The UINT8 value.\r |
d1102dba | 337 | \r |
2ab6330e | 338 | **/\r |
80408db0 | 339 | UINT8\r |
340 | EFIAPI\r | |
341 | DxePcdGet8 (\r | |
342 | IN UINTN TokenNumber\r | |
343 | )\r | |
344 | {\r | |
345 | return *((UINT8 *) GetWorker (TokenNumber, sizeof (UINT8)));\r | |
346 | }\r | |
347 | \r | |
2ab6330e | 348 | /**\r |
349 | Retrieves an 16-bit value for a given PCD token.\r | |
80408db0 | 350 | \r |
d1102dba | 351 | Retrieves the current 16-bits value for a PCD token number.\r |
2ab6330e | 352 | If the TokenNumber is invalid, the results are unpredictable.\r |
d1102dba LG |
353 | \r |
354 | @param[in] TokenNumber The PCD token number.\r | |
80408db0 | 355 | \r |
2ab6330e | 356 | @return The UINT16 value.\r |
d1102dba | 357 | \r |
2ab6330e | 358 | **/\r |
80408db0 | 359 | UINT16\r |
360 | EFIAPI\r | |
361 | DxePcdGet16 (\r | |
362 | IN UINTN TokenNumber\r | |
363 | )\r | |
364 | {\r | |
365 | return ReadUnaligned16 (GetWorker (TokenNumber, sizeof (UINT16)));\r | |
366 | }\r | |
367 | \r | |
2ab6330e | 368 | /**\r |
369 | Retrieves an 32-bit value for a given PCD token.\r | |
80408db0 | 370 | \r |
d1102dba | 371 | Retrieves the current 32-bits value for a PCD token number.\r |
2ab6330e | 372 | If the TokenNumber is invalid, the results are unpredictable.\r |
d1102dba LG |
373 | \r |
374 | @param[in] TokenNumber The PCD token number.\r | |
80408db0 | 375 | \r |
2ab6330e | 376 | @return The UINT32 value.\r |
d1102dba | 377 | \r |
2ab6330e | 378 | **/\r |
80408db0 | 379 | UINT32\r |
380 | EFIAPI\r | |
381 | DxePcdGet32 (\r | |
382 | IN UINTN TokenNumber\r | |
383 | )\r | |
384 | {\r | |
385 | return ReadUnaligned32 (GetWorker (TokenNumber, sizeof (UINT32)));\r | |
386 | }\r | |
387 | \r | |
2ab6330e | 388 | /**\r |
389 | Retrieves an 64-bit value for a given PCD token.\r | |
80408db0 | 390 | \r |
d1102dba | 391 | Retrieves the current 64-bits value for a PCD token number.\r |
2ab6330e | 392 | If the TokenNumber is invalid, the results are unpredictable.\r |
d1102dba LG |
393 | \r |
394 | @param[in] TokenNumber The PCD token number.\r | |
80408db0 | 395 | \r |
2ab6330e | 396 | @return The UINT64 value.\r |
d1102dba | 397 | \r |
2ab6330e | 398 | **/\r |
80408db0 | 399 | UINT64\r |
400 | EFIAPI\r | |
401 | DxePcdGet64 (\r | |
402 | IN UINTN TokenNumber\r | |
403 | )\r | |
404 | {\r | |
405 | return ReadUnaligned64(GetWorker (TokenNumber, sizeof (UINT64)));\r | |
406 | }\r | |
407 | \r | |
2ab6330e | 408 | /**\r |
409 | Retrieves a pointer to a value for a given PCD token.\r | |
80408db0 | 410 | \r |
d1102dba LG |
411 | Retrieves the current pointer to the buffer for a PCD token number.\r |
412 | Do not make any assumptions about the alignment of the pointer that\r | |
413 | is returned by this function call. If the TokenNumber is invalid,\r | |
2ab6330e | 414 | the results are unpredictable.\r |
80408db0 | 415 | \r |
d1102dba | 416 | @param[in] TokenNumber The PCD token number.\r |
2ab6330e | 417 | \r |
418 | @return The pointer to the buffer to be retrived.\r | |
d1102dba | 419 | \r |
2ab6330e | 420 | **/\r |
80408db0 | 421 | VOID *\r |
422 | EFIAPI\r | |
423 | DxePcdGetPtr (\r | |
424 | IN UINTN TokenNumber\r | |
425 | )\r | |
426 | {\r | |
427 | return GetWorker (TokenNumber, 0);\r | |
428 | }\r | |
429 | \r | |
2ab6330e | 430 | /**\r |
431 | Retrieves a Boolean value for a given PCD token.\r | |
432 | \r | |
d1102dba LG |
433 | Retrieves the current boolean value for a PCD token number.\r |
434 | Do not make any assumptions about the alignment of the pointer that\r | |
435 | is returned by this function call. If the TokenNumber is invalid,\r | |
2ab6330e | 436 | the results are unpredictable.\r |
80408db0 | 437 | \r |
d1102dba | 438 | @param[in] TokenNumber The PCD token number.\r |
80408db0 | 439 | \r |
2ab6330e | 440 | @return The Boolean value.\r |
d1102dba | 441 | \r |
2ab6330e | 442 | **/\r |
80408db0 | 443 | BOOLEAN\r |
444 | EFIAPI\r | |
445 | DxePcdGetBool (\r | |
446 | IN UINTN TokenNumber\r | |
447 | )\r | |
448 | {\r | |
449 | return *((BOOLEAN *) GetWorker (TokenNumber, sizeof (BOOLEAN)));\r | |
450 | }\r | |
451 | \r | |
2ab6330e | 452 | /**\r |
453 | Retrieves the size of the value for a given PCD token.\r | |
80408db0 | 454 | \r |
d1102dba | 455 | Retrieves the current size of a particular PCD token.\r |
2ab6330e | 456 | If the TokenNumber is invalid, the results are unpredictable.\r |
80408db0 | 457 | \r |
d1102dba | 458 | @param[in] TokenNumber The PCD token number.\r |
2ab6330e | 459 | \r |
460 | @return The size of the value for the PCD token.\r | |
d1102dba | 461 | \r |
2ab6330e | 462 | **/\r |
80408db0 | 463 | UINTN\r |
464 | EFIAPI\r | |
465 | DxePcdGetSize (\r | |
466 | IN UINTN TokenNumber\r | |
467 | )\r | |
468 | {\r | |
469 | UINTN Size;\r | |
470 | UINT32 *LocalTokenNumberTable;\r | |
471 | BOOLEAN IsPeiDb;\r | |
472 | UINTN MaxSize;\r | |
473 | UINTN TmpTokenNumber;\r | |
474 | //\r | |
475 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
476 | // We have to decrement TokenNumber by 1 to make it usable\r | |
477 | // as the array index.\r | |
478 | //\r | |
479 | TokenNumber--;\r | |
480 | \r | |
481 | //\r | |
482 | // Backup the TokenNumber passed in as GetPtrTypeSize need the original TokenNumber\r | |
d1102dba | 483 | //\r |
80408db0 | 484 | TmpTokenNumber = TokenNumber;\r |
485 | \r | |
486 | // EBC compiler is very choosy. It may report warning about comparison\r | |
d1102dba | 487 | // between UINTN and 0 . So we add 1 in each size of the\r |
80408db0 | 488 | // comparison.\r |
419db80b | 489 | ASSERT (TokenNumber + 1 < mPcdTotalTokenCount + 1);\r |
80408db0 | 490 | \r |
491 | // EBC compiler is very choosy. It may report warning about comparison\r | |
d1102dba | 492 | // between UINTN and 0 . So we add 1 in each size of the\r |
80408db0 | 493 | // comparison.\r |
419db80b | 494 | IsPeiDb = (BOOLEAN) (TokenNumber + 1 < mPeiLocalTokenCount + 1);\r |
d1102dba LG |
495 | \r |
496 | TokenNumber = IsPeiDb ? TokenNumber :\r | |
419db80b | 497 | (TokenNumber - mPeiLocalTokenCount);\r |
80408db0 | 498 | \r |
d1102dba | 499 | LocalTokenNumberTable = IsPeiDb ? (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset)\r |
419db80b | 500 | : (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r |
80408db0 | 501 | \r |
502 | Size = (LocalTokenNumberTable[TokenNumber] & PCD_DATUM_TYPE_ALL_SET) >> PCD_DATUM_TYPE_SHIFT;\r | |
503 | \r | |
504 | if (Size == 0) {\r | |
505 | //\r | |
506 | // For pointer type, we need to scan the SIZE_TABLE to get the current size.\r | |
507 | //\r | |
508 | return GetPtrTypeSize (TmpTokenNumber, &MaxSize);\r | |
509 | } else {\r | |
510 | return Size;\r | |
511 | }\r | |
512 | \r | |
513 | }\r | |
514 | \r | |
2ab6330e | 515 | /**\r |
516 | Retrieves an 8-bit value for a given PCD token.\r | |
517 | \r | |
d1102dba | 518 | Retrieves the 8-bit value of a particular PCD token.\r |
2ab6330e | 519 | If the TokenNumber is invalid or the token space\r |
d1102dba | 520 | specified by Guid does not exist, the results are\r |
2ab6330e | 521 | unpredictable.\r |
80408db0 | 522 | \r |
2ab6330e | 523 | @param[in] Guid The token space for the token number.\r |
d1102dba | 524 | @param[in] ExTokenNumber The PCD token number.\r |
80408db0 | 525 | \r |
2ab6330e | 526 | @return The size 8-bit value for the PCD token.\r |
d1102dba | 527 | \r |
2ab6330e | 528 | **/\r |
80408db0 | 529 | UINT8\r |
530 | EFIAPI\r | |
531 | DxePcdGet8Ex (\r | |
532 | IN CONST EFI_GUID *Guid,\r | |
2ab6330e | 533 | IN UINTN ExTokenNumber\r |
80408db0 | 534 | )\r |
535 | {\r | |
536 | return *((UINT8 *) ExGetWorker (Guid, ExTokenNumber, sizeof(UINT8)));\r | |
537 | }\r | |
538 | \r | |
2ab6330e | 539 | /**\r |
540 | Retrieves an 16-bit value for a given PCD token.\r | |
541 | \r | |
d1102dba | 542 | Retrieves the 16-bit value of a particular PCD token.\r |
2ab6330e | 543 | If the TokenNumber is invalid or the token space\r |
d1102dba | 544 | specified by Guid does not exist, the results are\r |
2ab6330e | 545 | unpredictable.\r |
80408db0 | 546 | \r |
2ab6330e | 547 | @param[in] Guid The token space for the token number.\r |
d1102dba | 548 | @param[in] ExTokenNumber The PCD token number.\r |
80408db0 | 549 | \r |
2ab6330e | 550 | @return The size 16-bit value for the PCD token.\r |
d1102dba | 551 | \r |
2ab6330e | 552 | **/\r |
80408db0 | 553 | UINT16\r |
554 | EFIAPI\r | |
555 | DxePcdGet16Ex (\r | |
556 | IN CONST EFI_GUID *Guid,\r | |
557 | IN UINTN ExTokenNumber\r | |
558 | )\r | |
559 | {\r | |
560 | return ReadUnaligned16 (ExGetWorker (Guid, ExTokenNumber, sizeof(UINT16)));\r | |
561 | }\r | |
562 | \r | |
2ab6330e | 563 | /**\r |
564 | Retrieves an 32-bit value for a given PCD token.\r | |
565 | \r | |
d1102dba | 566 | Retrieves the 32-bit value of a particular PCD token.\r |
2ab6330e | 567 | If the TokenNumber is invalid or the token space\r |
d1102dba | 568 | specified by Guid does not exist, the results are\r |
2ab6330e | 569 | unpredictable.\r |
80408db0 | 570 | \r |
2ab6330e | 571 | @param[in] Guid The token space for the token number.\r |
d1102dba | 572 | @param[in] ExTokenNumber The PCD token number.\r |
80408db0 | 573 | \r |
2ab6330e | 574 | @return The size 32-bit value for the PCD token.\r |
d1102dba | 575 | \r |
2ab6330e | 576 | **/\r |
80408db0 | 577 | UINT32\r |
578 | EFIAPI\r | |
579 | DxePcdGet32Ex (\r | |
580 | IN CONST EFI_GUID *Guid,\r | |
581 | IN UINTN ExTokenNumber\r | |
582 | )\r | |
583 | {\r | |
584 | return ReadUnaligned32 (ExGetWorker (Guid, ExTokenNumber, sizeof(UINT32)));\r | |
585 | }\r | |
586 | \r | |
2ab6330e | 587 | /**\r |
588 | Retrieves an 64-bit value for a given PCD token.\r | |
80408db0 | 589 | \r |
d1102dba | 590 | Retrieves the 64-bit value of a particular PCD token.\r |
2ab6330e | 591 | If the TokenNumber is invalid or the token space\r |
d1102dba | 592 | specified by Guid does not exist, the results are\r |
2ab6330e | 593 | unpredictable.\r |
80408db0 | 594 | \r |
2ab6330e | 595 | @param[in] Guid The token space for the token number.\r |
d1102dba | 596 | @param[in] ExTokenNumber The PCD token number.\r |
2ab6330e | 597 | \r |
598 | @return The size 64-bit value for the PCD token.\r | |
d1102dba | 599 | \r |
2ab6330e | 600 | **/\r |
80408db0 | 601 | UINT64\r |
602 | EFIAPI\r | |
603 | DxePcdGet64Ex (\r | |
604 | IN CONST EFI_GUID *Guid,\r | |
605 | IN UINTN ExTokenNumber\r | |
606 | )\r | |
607 | {\r | |
608 | return ReadUnaligned64 (ExGetWorker (Guid, ExTokenNumber, sizeof(UINT64)));\r | |
609 | }\r | |
610 | \r | |
2ab6330e | 611 | /**\r |
612 | Retrieves a pointer to a value for a given PCD token.\r | |
613 | \r | |
d1102dba LG |
614 | Retrieves the current pointer to the buffer for a PCD token number.\r |
615 | Do not make any assumptions about the alignment of the pointer that\r | |
616 | is returned by this function call. If the TokenNumber is invalid,\r | |
2ab6330e | 617 | the results are unpredictable.\r |
80408db0 | 618 | \r |
2ab6330e | 619 | @param[in] Guid The token space for the token number.\r |
d1102dba | 620 | @param[in] ExTokenNumber The PCD token number.\r |
80408db0 | 621 | \r |
2ab6330e | 622 | @return The pointer to the buffer to be retrived.\r |
d1102dba | 623 | \r |
2ab6330e | 624 | **/\r |
80408db0 | 625 | VOID *\r |
626 | EFIAPI\r | |
627 | DxePcdGetPtrEx (\r | |
628 | IN CONST EFI_GUID *Guid,\r | |
629 | IN UINTN ExTokenNumber\r | |
630 | )\r | |
631 | {\r | |
632 | return ExGetWorker (Guid, ExTokenNumber, 0);\r | |
633 | }\r | |
634 | \r | |
2ab6330e | 635 | /**\r |
636 | Retrieves an Boolean value for a given PCD token.\r | |
80408db0 | 637 | \r |
d1102dba | 638 | Retrieves the Boolean value of a particular PCD token.\r |
2ab6330e | 639 | If the TokenNumber is invalid or the token space\r |
d1102dba | 640 | specified by Guid does not exist, the results are\r |
2ab6330e | 641 | unpredictable.\r |
80408db0 | 642 | \r |
2ab6330e | 643 | @param[in] Guid The token space for the token number.\r |
d1102dba | 644 | @param[in] ExTokenNumber The PCD token number.\r |
2ab6330e | 645 | \r |
646 | @return The size Boolean value for the PCD token.\r | |
d1102dba | 647 | \r |
2ab6330e | 648 | **/\r |
80408db0 | 649 | BOOLEAN\r |
650 | EFIAPI\r | |
651 | DxePcdGetBoolEx (\r | |
652 | IN CONST EFI_GUID *Guid,\r | |
653 | IN UINTN ExTokenNumber\r | |
654 | )\r | |
655 | {\r | |
656 | return *((BOOLEAN *) ExGetWorker (Guid, ExTokenNumber, sizeof(BOOLEAN)));\r | |
657 | }\r | |
658 | \r | |
2ab6330e | 659 | /**\r |
660 | Retrieves the size of the value for a given PCD token.\r | |
661 | \r | |
d1102dba | 662 | Retrieves the current size of a particular PCD token.\r |
2ab6330e | 663 | If the TokenNumber is invalid, the results are unpredictable.\r |
80408db0 | 664 | \r |
2ab6330e | 665 | @param[in] Guid The token space for the token number.\r |
d1102dba | 666 | @param[in] ExTokenNumber The PCD token number.\r |
80408db0 | 667 | \r |
2ab6330e | 668 | @return The size of the value for the PCD token.\r |
d1102dba | 669 | \r |
2ab6330e | 670 | **/\r |
80408db0 | 671 | UINTN\r |
672 | EFIAPI\r | |
673 | DxePcdGetSizeEx (\r | |
674 | IN CONST EFI_GUID *Guid,\r | |
675 | IN UINTN ExTokenNumber\r | |
676 | )\r | |
677 | {\r | |
678 | return DxePcdGetSize(GetExPcdTokenNumber (Guid, (UINT32) ExTokenNumber));\r | |
679 | }\r | |
680 | \r | |
2ab6330e | 681 | /**\r |
682 | Sets an 8-bit value for a given PCD token.\r | |
683 | \r | |
d1102dba LG |
684 | When the PCD service sets a value, it will check to ensure that the\r |
685 | size of the value being set is compatible with the Token's existing definition.\r | |
2ab6330e | 686 | If it is not, an error will be returned.\r |
80408db0 | 687 | \r |
d1102dba | 688 | @param[in] TokenNumber The PCD token number.\r |
2ab6330e | 689 | @param[in] Value The value to set for the PCD token.\r |
80408db0 | 690 | \r |
2ab6330e | 691 | @retval EFI_SUCCESS Procedure returned successfully.\r |
d1102dba LG |
692 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r |
693 | being set was incompatible with a call to this function.\r | |
2ab6330e | 694 | Use GetSize() to retrieve the size of the target data.\r |
695 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
d1102dba | 696 | \r |
2ab6330e | 697 | **/\r |
80408db0 | 698 | EFI_STATUS\r |
699 | EFIAPI\r | |
700 | DxePcdSet8 (\r | |
701 | IN UINTN TokenNumber,\r | |
702 | IN UINT8 Value\r | |
703 | )\r | |
704 | {\r | |
705 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r | |
706 | }\r | |
707 | \r | |
2ab6330e | 708 | /**\r |
709 | Sets an 16-bit value for a given PCD token.\r | |
80408db0 | 710 | \r |
d1102dba LG |
711 | When the PCD service sets a value, it will check to ensure that the\r |
712 | size of the value being set is compatible with the Token's existing definition.\r | |
2ab6330e | 713 | If it is not, an error will be returned.\r |
80408db0 | 714 | \r |
d1102dba | 715 | @param[in] TokenNumber The PCD token number.\r |
2ab6330e | 716 | @param[in] Value The value to set for the PCD token.\r |
717 | \r | |
718 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
d1102dba LG |
719 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r |
720 | being set was incompatible with a call to this function.\r | |
2ab6330e | 721 | Use GetSize() to retrieve the size of the target data.\r |
722 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
d1102dba | 723 | \r |
2ab6330e | 724 | **/\r |
80408db0 | 725 | EFI_STATUS\r |
726 | EFIAPI\r | |
727 | DxePcdSet16 (\r | |
728 | IN UINTN TokenNumber,\r | |
729 | IN UINT16 Value\r | |
730 | )\r | |
731 | {\r | |
732 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r | |
733 | }\r | |
734 | \r | |
2ab6330e | 735 | /**\r |
736 | Sets an 32-bit value for a given PCD token.\r | |
737 | \r | |
d1102dba LG |
738 | When the PCD service sets a value, it will check to ensure that the\r |
739 | size of the value being set is compatible with the Token's existing definition.\r | |
2ab6330e | 740 | If it is not, an error will be returned.\r |
80408db0 | 741 | \r |
d1102dba | 742 | @param[in] TokenNumber The PCD token number.\r |
2ab6330e | 743 | @param[in] Value The value to set for the PCD token.\r |
80408db0 | 744 | \r |
2ab6330e | 745 | @retval EFI_SUCCESS Procedure returned successfully.\r |
d1102dba LG |
746 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r |
747 | being set was incompatible with a call to this function.\r | |
2ab6330e | 748 | Use GetSize() to retrieve the size of the target data.\r |
749 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
d1102dba | 750 | \r |
2ab6330e | 751 | **/\r |
80408db0 | 752 | EFI_STATUS\r |
753 | EFIAPI\r | |
754 | DxePcdSet32 (\r | |
755 | IN UINTN TokenNumber,\r | |
756 | IN UINT32 Value\r | |
757 | )\r | |
758 | {\r | |
759 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r | |
760 | }\r | |
761 | \r | |
2ab6330e | 762 | /**\r |
763 | Sets an 64-bit value for a given PCD token.\r | |
80408db0 | 764 | \r |
d1102dba LG |
765 | When the PCD service sets a value, it will check to ensure that the\r |
766 | size of the value being set is compatible with the Token's existing definition.\r | |
2ab6330e | 767 | If it is not, an error will be returned.\r |
80408db0 | 768 | \r |
d1102dba | 769 | @param[in] TokenNumber The PCD token number.\r |
2ab6330e | 770 | @param[in] Value The value to set for the PCD token.\r |
771 | \r | |
772 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
d1102dba LG |
773 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r |
774 | being set was incompatible with a call to this function.\r | |
2ab6330e | 775 | Use GetSize() to retrieve the size of the target data.\r |
776 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
d1102dba | 777 | \r |
2ab6330e | 778 | **/\r |
80408db0 | 779 | EFI_STATUS\r |
780 | EFIAPI\r | |
781 | DxePcdSet64 (\r | |
782 | IN UINTN TokenNumber,\r | |
783 | IN UINT64 Value\r | |
784 | )\r | |
785 | {\r | |
786 | return SetValueWorker (TokenNumber, &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 | |
d1102dba LG |
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 | |
2ab6330e | 794 | If it is not, an error will be returned.\r |
795 | \r | |
d1102dba LG |
796 | @param[in] TokenNumber The PCD token number.\r |
797 | @param[in, out] SizeOfBuffer A pointer to the length of the value being set for the PCD token.\r | |
798 | On input, if the SizeOfValue is greater than the maximum size supported\r | |
799 | for this TokenNumber then the output value of SizeOfValue will reflect\r | |
2ab6330e | 800 | the maximum size supported for this TokenNumber.\r |
801 | @param[in] Buffer The buffer to set for the PCD token.\r | |
802 | \r | |
803 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
d1102dba LG |
804 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r |
805 | being set was incompatible with a call to this function.\r | |
2ab6330e | 806 | Use GetSize() to retrieve the size of the target data.\r |
807 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
d1102dba | 808 | \r |
2ab6330e | 809 | **/\r |
80408db0 | 810 | EFI_STATUS\r |
811 | EFIAPI\r | |
812 | DxePcdSetPtr (\r | |
813 | IN UINTN TokenNumber,\r | |
814 | IN OUT UINTN *SizeOfBuffer,\r | |
815 | IN VOID *Buffer\r | |
816 | )\r | |
817 | {\r | |
818 | return SetWorker (TokenNumber, Buffer, SizeOfBuffer, TRUE);\r | |
819 | }\r | |
820 | \r | |
2ab6330e | 821 | /**\r |
822 | Sets an Boolean value for a given PCD token.\r | |
80408db0 | 823 | \r |
d1102dba LG |
824 | When the PCD service sets a value, it will check to ensure that the\r |
825 | size of the value being set is compatible with the Token's existing definition.\r | |
2ab6330e | 826 | If it is not, an error will be returned.\r |
80408db0 | 827 | \r |
d1102dba | 828 | @param[in] TokenNumber The PCD token number.\r |
2ab6330e | 829 | @param[in] Value The value to set for the PCD token.\r |
830 | \r | |
831 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
d1102dba LG |
832 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r |
833 | being set was incompatible with a call to this function.\r | |
2ab6330e | 834 | Use GetSize() to retrieve the size of the target data.\r |
835 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
d1102dba | 836 | \r |
2ab6330e | 837 | **/\r |
80408db0 | 838 | EFI_STATUS\r |
839 | EFIAPI\r | |
840 | DxePcdSetBool (\r | |
841 | IN UINTN TokenNumber,\r | |
842 | IN BOOLEAN Value\r | |
843 | )\r | |
844 | {\r | |
845 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r | |
846 | }\r | |
847 | \r | |
2ab6330e | 848 | /**\r |
849 | Sets an 8-bit value for a given PCD token.\r | |
850 | \r | |
d1102dba LG |
851 | When the PCD service sets a value, it will check to ensure that the\r |
852 | size of the value being set is compatible with the Token's existing definition.\r | |
2ab6330e | 853 | If it is not, an error will be returned.\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 |
d1102dba | 856 | @param[in] ExTokenNumber The PCD token number.\r |
2ab6330e | 857 | @param[in] Value The value to set for the PCD token.\r |
80408db0 | 858 | \r |
2ab6330e | 859 | @retval EFI_SUCCESS Procedure returned successfully.\r |
d1102dba LG |
860 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r |
861 | being set was incompatible with a call to this function.\r | |
2ab6330e | 862 | Use GetSize() to retrieve the size of the target data.\r |
863 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
d1102dba | 864 | \r |
2ab6330e | 865 | **/\r |
80408db0 | 866 | EFI_STATUS\r |
867 | EFIAPI\r | |
868 | DxePcdSet8Ex (\r | |
869 | IN CONST EFI_GUID *Guid,\r | |
870 | IN UINTN ExTokenNumber,\r | |
871 | IN UINT8 Value\r | |
872 | )\r | |
873 | {\r | |
874 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r | |
875 | }\r | |
876 | \r | |
2ab6330e | 877 | /**\r |
878 | Sets an 16-bit value for a given PCD token.\r | |
80408db0 | 879 | \r |
d1102dba LG |
880 | When the PCD service sets a value, it will check to ensure that the\r |
881 | size of the value being set is compatible with the Token's existing definition.\r | |
2ab6330e | 882 | If it is not, an error will be returned.\r |
80408db0 | 883 | \r |
2ab6330e | 884 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
d1102dba | 885 | @param[in] ExTokenNumber The PCD token number.\r |
2ab6330e | 886 | @param[in] Value The value to set for the PCD token.\r |
887 | \r | |
888 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
d1102dba LG |
889 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r |
890 | being set was incompatible with a call to this function.\r | |
2ab6330e | 891 | Use GetSize() to retrieve the size of the target data.\r |
892 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
d1102dba | 893 | \r |
2ab6330e | 894 | **/\r |
80408db0 | 895 | EFI_STATUS\r |
896 | EFIAPI\r | |
897 | DxePcdSet16Ex (\r | |
898 | IN CONST EFI_GUID *Guid,\r | |
899 | IN UINTN ExTokenNumber,\r | |
900 | IN UINT16 Value\r | |
901 | )\r | |
902 | {\r | |
425084cd SZ |
903 | //\r |
904 | // PcdSetNvStoreDefaultId should be set in PEI phase to take effect.\r | |
905 | //\r | |
906 | ASSERT (!(CompareGuid (Guid, &gEfiMdeModulePkgTokenSpaceGuid) &&\r | |
907 | (ExTokenNumber == PcdToken(PcdSetNvStoreDefaultId))));\r | |
80408db0 | 908 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r |
909 | }\r | |
910 | \r | |
2ab6330e | 911 | /**\r |
912 | Sets an 32-bit value for a given PCD token.\r | |
913 | \r | |
d1102dba LG |
914 | When the PCD service sets a value, it will check to ensure that the\r |
915 | size of the value being set is compatible with the Token's existing definition.\r | |
2ab6330e | 916 | If it is not, an error will be returned.\r |
80408db0 | 917 | \r |
2ab6330e | 918 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
d1102dba | 919 | @param[in] ExTokenNumber The PCD token number.\r |
2ab6330e | 920 | @param[in] Value The value to set for the PCD token.\r |
80408db0 | 921 | \r |
2ab6330e | 922 | @retval EFI_SUCCESS Procedure returned successfully.\r |
d1102dba LG |
923 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r |
924 | being set was incompatible with a call to this function.\r | |
2ab6330e | 925 | Use GetSize() to retrieve the size of the target data.\r |
926 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
d1102dba | 927 | \r |
2ab6330e | 928 | **/\r |
80408db0 | 929 | EFI_STATUS\r |
930 | EFIAPI\r | |
931 | DxePcdSet32Ex (\r | |
932 | IN CONST EFI_GUID *Guid,\r | |
933 | IN UINTN ExTokenNumber,\r | |
934 | IN UINT32 Value\r | |
935 | )\r | |
936 | {\r | |
937 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r | |
938 | }\r | |
939 | \r | |
2ab6330e | 940 | /**\r |
941 | Sets an 64-bit value for a given PCD token.\r | |
942 | \r | |
d1102dba LG |
943 | When the PCD service sets a value, it will check to ensure that the\r |
944 | size of the value being set is compatible with the Token's existing definition.\r | |
2ab6330e | 945 | If it is not, an error will be returned.\r |
80408db0 | 946 | \r |
2ab6330e | 947 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
d1102dba | 948 | @param[in] ExTokenNumber The PCD token number.\r |
2ab6330e | 949 | @param[in] Value The value to set for the PCD token.\r |
80408db0 | 950 | \r |
2ab6330e | 951 | @retval EFI_SUCCESS Procedure returned successfully.\r |
d1102dba LG |
952 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r |
953 | being set was incompatible with a call to this function.\r | |
2ab6330e | 954 | Use GetSize() to retrieve the size of the target data.\r |
955 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
d1102dba | 956 | \r |
2ab6330e | 957 | **/\r |
80408db0 | 958 | EFI_STATUS\r |
959 | EFIAPI\r | |
960 | DxePcdSet64Ex (\r | |
961 | IN CONST EFI_GUID *Guid,\r | |
962 | IN UINTN ExTokenNumber,\r | |
963 | IN UINT64 Value\r | |
964 | )\r | |
965 | {\r | |
966 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r | |
967 | }\r | |
968 | \r | |
2ab6330e | 969 | /**\r |
970 | Sets a value of a specified size for a given PCD token.\r | |
971 | \r | |
d1102dba LG |
972 | When the PCD service sets a value, it will check to ensure that the\r |
973 | size of the value being set is compatible with the Token's existing definition.\r | |
2ab6330e | 974 | If it is not, an error will be returned.\r |
975 | \r | |
976 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r | |
d1102dba LG |
977 | @param[in] ExTokenNumber The PCD token number.\r |
978 | @param[in, out] SizeOfBuffer A pointer to the length of the value being set for the PCD token.\r | |
979 | On input, if the SizeOfValue is greater than the maximum size supported\r | |
980 | for this TokenNumber then the output value of SizeOfValue will reflect\r | |
2ab6330e | 981 | the maximum size supported for this TokenNumber.\r |
982 | @param[in] Buffer The buffer to set for the PCD token.\r | |
983 | \r | |
984 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
d1102dba LG |
985 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r |
986 | being set was incompatible with a call to this function.\r | |
2ab6330e | 987 | Use GetSize() to retrieve the size of the target data.\r |
988 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
d1102dba | 989 | \r |
2ab6330e | 990 | **/\r |
80408db0 | 991 | EFI_STATUS\r |
992 | EFIAPI\r | |
993 | DxePcdSetPtrEx (\r | |
994 | IN CONST EFI_GUID *Guid,\r | |
995 | IN UINTN ExTokenNumber,\r | |
996 | IN OUT UINTN *SizeOfBuffer,\r | |
997 | IN VOID *Buffer\r | |
998 | )\r | |
999 | {\r | |
1000 | return ExSetWorker(ExTokenNumber, Guid, Buffer, SizeOfBuffer, TRUE);\r | |
1001 | }\r | |
1002 | \r | |
2ab6330e | 1003 | /**\r |
1004 | Sets an Boolean value for a given PCD token.\r | |
80408db0 | 1005 | \r |
d1102dba LG |
1006 | When the PCD service sets a value, it will check to ensure that the\r |
1007 | size of the value being set is compatible with the Token's existing definition.\r | |
2ab6330e | 1008 | If it is not, an error will be returned.\r |
80408db0 | 1009 | \r |
2ab6330e | 1010 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
d1102dba | 1011 | @param[in] ExTokenNumber The PCD token number.\r |
2ab6330e | 1012 | @param[in] Value The value to set for the PCD token.\r |
1013 | \r | |
1014 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
d1102dba LG |
1015 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r |
1016 | being set was incompatible with a call to this function.\r | |
2ab6330e | 1017 | Use GetSize() to retrieve the size of the target data.\r |
1018 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
d1102dba | 1019 | \r |
2ab6330e | 1020 | **/\r |
80408db0 | 1021 | EFI_STATUS\r |
1022 | EFIAPI\r | |
1023 | DxePcdSetBoolEx (\r | |
1024 | IN CONST EFI_GUID *Guid,\r | |
1025 | IN UINTN ExTokenNumber,\r | |
1026 | IN BOOLEAN Value\r | |
1027 | )\r | |
1028 | {\r | |
1029 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r | |
1030 | }\r | |
1031 | \r | |
2ab6330e | 1032 | /**\r |
1033 | Specifies a function to be called anytime the value of a designated token is changed.\r | |
80408db0 | 1034 | \r |
2ab6330e | 1035 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
d1102dba LG |
1036 | @param[in] TokenNumber The PCD token number.\r |
1037 | @param[in] CallBackFunction The function prototype called when the value associated with the CallBackToken is set.\r | |
80408db0 | 1038 | \r |
d1102dba | 1039 | @retval EFI_SUCCESS The PCD service has successfully established a call event\r |
2ab6330e | 1040 | for the CallBackToken requested.\r |
1041 | @retval EFI_NOT_FOUND The PCD service could not find the referenced token number.\r | |
80408db0 | 1042 | \r |
2ab6330e | 1043 | **/\r |
80408db0 | 1044 | EFI_STATUS\r |
1045 | EFIAPI\r | |
1046 | DxeRegisterCallBackOnSet (\r | |
e3917e22 | 1047 | IN CONST EFI_GUID *Guid OPTIONAL,\r |
80408db0 | 1048 | IN UINTN TokenNumber,\r |
1049 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r | |
1050 | )\r | |
1051 | {\r | |
1052 | EFI_STATUS Status;\r | |
d1102dba | 1053 | \r |
e4a3922f | 1054 | if (CallBackFunction == NULL) {\r |
1055 | return EFI_INVALID_PARAMETER;\r | |
1056 | }\r | |
80408db0 | 1057 | //\r |
1058 | // Aquire lock to prevent reentrance from TPL_CALLBACK level\r | |
1059 | //\r | |
1060 | EfiAcquireLock (&mPcdDatabaseLock);\r | |
1061 | \r | |
1062 | Status = DxeRegisterCallBackWorker (TokenNumber, Guid, CallBackFunction);\r | |
1063 | \r | |
1064 | EfiReleaseLock (&mPcdDatabaseLock);\r | |
d1102dba | 1065 | \r |
80408db0 | 1066 | return Status;\r |
1067 | }\r | |
1068 | \r | |
2ab6330e | 1069 | /**\r |
1070 | Cancels a previously set callback function for a particular PCD token number.\r | |
80408db0 | 1071 | \r |
2ab6330e | 1072 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
d1102dba LG |
1073 | @param[in] TokenNumber The PCD token number.\r |
1074 | @param[in] CallBackFunction The function prototype called when the value associated with the CallBackToken is set.\r | |
80408db0 | 1075 | \r |
d1102dba | 1076 | @retval EFI_SUCCESS The PCD service has successfully established a call event\r |
2ab6330e | 1077 | for the CallBackToken requested.\r |
1078 | @retval EFI_NOT_FOUND The PCD service could not find the referenced token number.\r | |
1079 | \r | |
1080 | **/\r | |
80408db0 | 1081 | EFI_STATUS\r |
1082 | EFIAPI\r | |
1083 | DxeUnRegisterCallBackOnSet (\r | |
e3917e22 | 1084 | IN CONST EFI_GUID *Guid OPTIONAL,\r |
80408db0 | 1085 | IN UINTN TokenNumber,\r |
1086 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r | |
1087 | )\r | |
1088 | {\r | |
1089 | EFI_STATUS Status;\r | |
d1102dba | 1090 | \r |
e4a3922f | 1091 | if (CallBackFunction == NULL) {\r |
1092 | return EFI_INVALID_PARAMETER;\r | |
1093 | }\r | |
80408db0 | 1094 | \r |
1095 | //\r | |
1096 | // Aquire lock to prevent reentrance from TPL_CALLBACK level\r | |
1097 | //\r | |
1098 | EfiAcquireLock (&mPcdDatabaseLock);\r | |
d1102dba | 1099 | \r |
80408db0 | 1100 | Status = DxeUnRegisterCallBackWorker (TokenNumber, Guid, CallBackFunction);\r |
1101 | \r | |
1102 | EfiReleaseLock (&mPcdDatabaseLock);\r | |
d1102dba | 1103 | \r |
80408db0 | 1104 | return Status;\r |
1105 | }\r | |
1106 | \r | |
2ab6330e | 1107 | /**\r |
d1102dba LG |
1108 | Retrieves the next valid token number in a given namespace.\r |
1109 | \r | |
1110 | This is useful since the PCD infrastructure contains a sparse list of token numbers,\r | |
1111 | and one cannot a priori know what token numbers are valid in the database.\r | |
1112 | \r | |
1113 | If TokenNumber is 0 and Guid is not NULL, then the first token from the token space specified by Guid is returned.\r | |
1114 | If TokenNumber is not 0 and Guid is not NULL, then the next token in the token space specified by Guid is returned.\r | |
1115 | If TokenNumber is 0 and Guid is NULL, then the first token in the default token space is returned.\r | |
1116 | If TokenNumber is not 0 and Guid is NULL, then the next token in the default token space is returned.\r | |
1117 | The token numbers in the default token space may not be related to token numbers in token spaces that are named by Guid.\r | |
1118 | If the next token number can be retrieved, then it is returned in TokenNumber, and EFI_SUCCESS is returned.\r | |
1119 | If TokenNumber represents the last token number in the token space specified by Guid, then EFI_NOT_FOUND is returned.\r | |
90e06556 | 1120 | If TokenNumber is not present in the token space specified by Guid, then EFI_NOT_FOUND is returned.\r |
1121 | \r | |
1122 | \r | |
d1102dba LG |
1123 | @param[in] Guid The 128-bit unique value that designates the namespace from which to retrieve the next token.\r |
1124 | This is an optional parameter that may be NULL. If this parameter is NULL, then a request is\r | |
90e06556 | 1125 | being made to retrieve tokens from the default token space.\r |
d1102dba LG |
1126 | @param[in, out] TokenNumber\r |
1127 | A pointer to the PCD token number to use to find the subsequent token number.\r | |
90e06556 | 1128 | \r |
419db80b BF |
1129 | @retval EFI_SUCCESS The PCD service has retrieved the next valid token number.\r |
1130 | @retval EFI_NOT_FOUND The PCD service could not find data from the requested token number.\r | |
2ab6330e | 1131 | \r |
1132 | **/\r | |
80408db0 | 1133 | EFI_STATUS\r |
1134 | EFIAPI\r | |
1135 | DxePcdGetNextToken (\r | |
e3917e22 | 1136 | IN CONST EFI_GUID *Guid OPTIONAL,\r |
80408db0 | 1137 | IN OUT UINTN *TokenNumber\r |
1138 | )\r | |
1139 | {\r | |
1140 | EFI_STATUS Status;\r | |
1141 | BOOLEAN PeiExMapTableEmpty;\r | |
1142 | BOOLEAN DxeExMapTableEmpty;\r | |
1143 | \r | |
80408db0 | 1144 | Status = EFI_NOT_FOUND;\r |
419db80b BF |
1145 | PeiExMapTableEmpty = mPeiExMapTableEmpty;\r |
1146 | DxeExMapTableEmpty = mDxeExMapTableEmpty;\r | |
80408db0 | 1147 | \r |
1148 | //\r | |
1149 | // Scan the local token space\r | |
1150 | //\r | |
1151 | if (Guid == NULL) {\r | |
1152 | // EBC compiler is very choosy. It may report warning about comparison\r | |
d1102dba | 1153 | // between UINTN and 0 . So we add 1 in each size of the\r |
80408db0 | 1154 | // comparison.\r |
419db80b BF |
1155 | if (((*TokenNumber + 1 > mPeiNexTokenCount + 1) && (*TokenNumber + 1 <= mPeiLocalTokenCount + 1)) ||\r |
1156 | ((*TokenNumber + 1 > (mPeiLocalTokenCount + mDxeNexTokenCount + 1)))) {\r | |
1157 | return EFI_NOT_FOUND;\r | |
80408db0 | 1158 | }\r |
d1102dba | 1159 | \r |
80408db0 | 1160 | (*TokenNumber)++;\r |
419db80b BF |
1161 | if ((*TokenNumber + 1 > mPeiNexTokenCount + 1) &&\r |
1162 | (*TokenNumber + 1 <= mPeiLocalTokenCount + 1)) {\r | |
80408db0 | 1163 | //\r |
d1102dba | 1164 | // The first Non-Ex type Token Number for DXE PCD\r |
419db80b | 1165 | // database is mPeiLocalTokenCount + 1\r |
80408db0 | 1166 | //\r |
419db80b BF |
1167 | if (mDxeNexTokenCount > 0) {\r |
1168 | *TokenNumber = mPeiLocalTokenCount + 1;\r | |
1169 | } else {\r | |
1170 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r | |
1171 | return EFI_NOT_FOUND;\r | |
1172 | }\r | |
1173 | } else if (*TokenNumber + 1 > mDxeNexTokenCount + mPeiLocalTokenCount + 1) {\r | |
80408db0 | 1174 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r |
419db80b | 1175 | return EFI_NOT_FOUND;\r |
80408db0 | 1176 | }\r |
1177 | return EFI_SUCCESS;\r | |
1178 | }\r | |
1179 | \r | |
1180 | if (PeiExMapTableEmpty && DxeExMapTableEmpty) {\r | |
80408db0 | 1181 | return EFI_NOT_FOUND;\r |
1182 | }\r | |
1183 | \r | |
1184 | if (!PeiExMapTableEmpty) {\r | |
1185 | Status = ExGetNextTokeNumber (\r | |
1186 | Guid,\r | |
1187 | TokenNumber,\r | |
419db80b BF |
1188 | (EFI_GUID *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->GuidTableOffset),\r |
1189 | mPeiGuidTableSize,\r | |
1190 | (DYNAMICEX_MAPPING *)((UINT8 *) mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->ExMapTableOffset),\r | |
1191 | mPeiExMapppingTableSize\r | |
80408db0 | 1192 | );\r |
1193 | }\r | |
1194 | \r | |
1195 | if (Status == EFI_SUCCESS) {\r | |
1196 | return Status;\r | |
1197 | }\r | |
1198 | \r | |
1199 | if (!DxeExMapTableEmpty) {\r | |
1200 | Status = ExGetNextTokeNumber (\r | |
1201 | Guid,\r | |
1202 | TokenNumber,\r | |
419db80b BF |
1203 | (EFI_GUID *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->GuidTableOffset),\r |
1204 | mDxeGuidTableSize,\r | |
1205 | (DYNAMICEX_MAPPING *)((UINT8 *) mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->ExMapTableOffset),\r | |
1206 | mDxeExMapppingTableSize\r | |
80408db0 | 1207 | );\r |
1208 | }\r | |
1209 | \r | |
1210 | return Status;\r | |
1211 | }\r | |
1212 | \r | |
2ab6330e | 1213 | /**\r |
1214 | Get all token space guid table which is different with given token space guid.\r | |
1215 | \r | |
419db80b | 1216 | @param ExMapTableSize The size of ExMapTable in item\r |
2ab6330e | 1217 | @param ExMapTable Token space guid table that want to be scaned.\r |
1218 | @param GuidTable Guid table\r | |
1219 | \r | |
1220 | @return all token space guid table which is different with given token space guid.\r | |
1221 | \r | |
1222 | **/\r | |
80408db0 | 1223 | EFI_GUID **\r |
1224 | GetDistinctTokenSpace (\r | |
1225 | IN OUT UINTN *ExMapTableSize,\r | |
1226 | IN DYNAMICEX_MAPPING *ExMapTable,\r | |
1227 | IN EFI_GUID *GuidTable\r | |
1228 | )\r | |
1229 | {\r | |
1230 | EFI_GUID **DistinctTokenSpace;\r | |
1231 | UINTN OldGuidIndex;\r | |
1232 | UINTN TsIdx;\r | |
419db80b | 1233 | UINTN TempTsIdx;\r |
80408db0 | 1234 | UINTN Idx;\r |
419db80b | 1235 | BOOLEAN Match;\r |
80408db0 | 1236 | \r |
1237 | DistinctTokenSpace = AllocateZeroPool (*ExMapTableSize * sizeof (EFI_GUID *));\r | |
1238 | ASSERT (DistinctTokenSpace != NULL);\r | |
1239 | \r | |
1240 | TsIdx = 0;\r | |
1241 | OldGuidIndex = ExMapTable[0].ExGuidIndex;\r | |
1242 | DistinctTokenSpace[TsIdx] = &GuidTable[OldGuidIndex];\r | |
1243 | for (Idx = 1; Idx < *ExMapTableSize; Idx++) {\r | |
419db80b BF |
1244 | Match = FALSE;\r |
1245 | OldGuidIndex = ExMapTable[Idx].ExGuidIndex;\r | |
1246 | for (TempTsIdx = 0; TempTsIdx <= TsIdx; TempTsIdx++) {\r | |
1247 | if (&GuidTable[OldGuidIndex] == DistinctTokenSpace[TempTsIdx]) {\r | |
1248 | //\r | |
1249 | // Have recorded this GUID.\r | |
1250 | //\r | |
1251 | Match = TRUE;\r | |
1252 | break;\r | |
1253 | }\r | |
1254 | }\r | |
1255 | if (!Match) {\r | |
80408db0 | 1256 | DistinctTokenSpace[++TsIdx] = &GuidTable[OldGuidIndex];\r |
1257 | }\r | |
1258 | }\r | |
1259 | \r | |
1260 | //\r | |
1261 | // The total number of Distinct Token Space\r | |
1262 | // is TsIdx + 1 because we use TsIdx as a index\r | |
1263 | // to the DistinctTokenSpace[]\r | |
1264 | //\r | |
1265 | *ExMapTableSize = TsIdx + 1;\r | |
1266 | return DistinctTokenSpace;\r | |
d1102dba | 1267 | \r |
80408db0 | 1268 | }\r |
d1102dba | 1269 | \r |
2ab6330e | 1270 | /**\r |
419db80b BF |
1271 | Retrieves the next valid PCD token namespace for a given namespace.\r |
1272 | \r | |
1273 | Gets the next valid token namespace for a given namespace. This is useful to traverse the valid\r | |
1274 | token namespaces on a platform.\r | |
1275 | \r | |
1276 | @param[in, out] Guid An indirect pointer to EFI_GUID. On input it designates a known token\r | |
1277 | namespace from which the search will start. On output, it designates the next valid\r | |
1278 | token namespace on the platform. If *Guid is NULL, then the GUID of the first token\r | |
1279 | space of the current platform is returned. If the search cannot locate the next valid\r | |
1280 | token namespace, an error is returned and the value of *Guid is undefined.\r | |
d1102dba | 1281 | \r |
419db80b BF |
1282 | @retval EFI_SUCCESS The PCD service retrieved the value requested.\r |
1283 | @retval EFI_NOT_FOUND The PCD service could not find the next valid token namespace.\r | |
1284 | \r | |
2ab6330e | 1285 | **/\r |
80408db0 | 1286 | EFI_STATUS\r |
1287 | EFIAPI\r | |
1288 | DxePcdGetNextTokenSpace (\r | |
1289 | IN OUT CONST EFI_GUID **Guid\r | |
1290 | )\r | |
1291 | {\r | |
1292 | UINTN Idx;\r | |
1293 | UINTN Idx2;\r | |
1294 | UINTN Idx3;\r | |
1295 | UINTN PeiTokenSpaceTableSize;\r | |
1296 | UINTN DxeTokenSpaceTableSize;\r | |
1297 | EFI_GUID **PeiTokenSpaceTable;\r | |
1298 | EFI_GUID **DxeTokenSpaceTable;\r | |
1299 | BOOLEAN Match;\r | |
1300 | BOOLEAN PeiExMapTableEmpty;\r | |
1301 | BOOLEAN DxeExMapTableEmpty;\r | |
1302 | \r | |
80408db0 | 1303 | ASSERT (Guid != NULL);\r |
d1102dba | 1304 | \r |
419db80b BF |
1305 | PeiExMapTableEmpty = mPeiExMapTableEmpty;\r |
1306 | DxeExMapTableEmpty = mDxeExMapTableEmpty;\r | |
80408db0 | 1307 | \r |
1308 | if (PeiExMapTableEmpty && DxeExMapTableEmpty) {\r | |
419db80b | 1309 | return EFI_NOT_FOUND;\r |
80408db0 | 1310 | }\r |
d1102dba | 1311 | \r |
80408db0 | 1312 | if (TmpTokenSpaceBuffer[0] == NULL) {\r |
1313 | PeiTokenSpaceTableSize = 0;\r | |
1314 | \r | |
1315 | if (!PeiExMapTableEmpty) {\r | |
419db80b | 1316 | PeiTokenSpaceTableSize = mPeiExMapppingTableSize / sizeof(DYNAMICEX_MAPPING);\r |
80408db0 | 1317 | PeiTokenSpaceTable = GetDistinctTokenSpace (&PeiTokenSpaceTableSize,\r |
419db80b BF |
1318 | (DYNAMICEX_MAPPING *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->ExMapTableOffset),\r |
1319 | (EFI_GUID *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->GuidTableOffset)\r | |
80408db0 | 1320 | );\r |
1321 | CopyMem (TmpTokenSpaceBuffer, PeiTokenSpaceTable, sizeof (EFI_GUID*) * PeiTokenSpaceTableSize);\r | |
da0df6ca | 1322 | TmpTokenSpaceBufferCount = PeiTokenSpaceTableSize;\r |
419db80b | 1323 | FreePool (PeiTokenSpaceTable);\r |
80408db0 | 1324 | }\r |
1325 | \r | |
1326 | if (!DxeExMapTableEmpty) {\r | |
419db80b | 1327 | DxeTokenSpaceTableSize = mDxeExMapppingTableSize / sizeof(DYNAMICEX_MAPPING);\r |
80408db0 | 1328 | DxeTokenSpaceTable = GetDistinctTokenSpace (&DxeTokenSpaceTableSize,\r |
419db80b BF |
1329 | (DYNAMICEX_MAPPING *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->ExMapTableOffset),\r |
1330 | (EFI_GUID *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->GuidTableOffset)\r | |
80408db0 | 1331 | );\r |
1332 | \r | |
1333 | //\r | |
1334 | // Make sure EFI_GUID in DxeTokenSpaceTable does not exist in PeiTokenSpaceTable\r | |
1335 | //\r | |
1336 | for (Idx2 = 0, Idx3 = PeiTokenSpaceTableSize; Idx2 < DxeTokenSpaceTableSize; Idx2++) {\r | |
1337 | Match = FALSE;\r | |
1338 | for (Idx = 0; Idx < PeiTokenSpaceTableSize; Idx++) {\r | |
1339 | if (CompareGuid (TmpTokenSpaceBuffer[Idx], DxeTokenSpaceTable[Idx2])) {\r | |
1340 | Match = TRUE;\r | |
1341 | break;\r | |
1342 | }\r | |
1343 | }\r | |
1344 | if (!Match) {\r | |
1345 | TmpTokenSpaceBuffer[Idx3++] = DxeTokenSpaceTable[Idx2];\r | |
1346 | }\r | |
1347 | }\r | |
419db80b BF |
1348 | \r |
1349 | TmpTokenSpaceBufferCount = Idx3;\r | |
1350 | FreePool (DxeTokenSpaceTable);\r | |
80408db0 | 1351 | }\r |
1352 | }\r | |
1353 | \r | |
1354 | if (*Guid == NULL) {\r | |
1355 | *Guid = TmpTokenSpaceBuffer[0];\r | |
1356 | return EFI_SUCCESS;\r | |
1357 | }\r | |
d1102dba | 1358 | \r |
419db80b BF |
1359 | for (Idx = 0; Idx < TmpTokenSpaceBufferCount; Idx++) {\r |
1360 | if (CompareGuid (*Guid, TmpTokenSpaceBuffer[Idx])) {\r | |
1361 | if (Idx == TmpTokenSpaceBufferCount - 1) {\r | |
1362 | //\r | |
1363 | // It has been the last token namespace.\r | |
1364 | //\r | |
1365 | *Guid = NULL;\r | |
1366 | return EFI_NOT_FOUND;\r | |
1367 | } else {\r | |
1368 | Idx++;\r | |
1369 | *Guid = TmpTokenSpaceBuffer[Idx];\r | |
1370 | return EFI_SUCCESS;\r | |
1371 | }\r | |
80408db0 | 1372 | }\r |
1373 | }\r | |
1374 | \r | |
1375 | return EFI_NOT_FOUND;\r | |
80408db0 | 1376 | }\r |