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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 |
e5eed7d3 | 7 | This program and the accompanying materials\r |
80408db0 | 8 | are licensed and made available under the terms and conditions of the BSD License\r |
9 | which accompanies this distribution. The full text of the license may be found at\r | |
10 | http://opensource.org/licenses/bsd-license.php\r | |
11 | \r | |
12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
14 | \r | |
80408db0 | 15 | **/\r |
16 | \r | |
80408db0 | 17 | #include "Service.h"\r |
18 | \r | |
2ab6330e | 19 | ///\r |
20 | /// PCD database lock.\r | |
21 | ///\r | |
6a429dfa | 22 | EFI_LOCK mPcdDatabaseLock = EFI_INITIALIZE_LOCK_VARIABLE(TPL_NOTIFY);\r |
80408db0 | 23 | \r |
17e7fa8f | 24 | ///\r |
d1102dba | 25 | /// PCD_PROTOCOL the EDKII native implementation which support dynamic\r |
17e7fa8f | 26 | /// type and dynamicEx type PCDs.\r |
27 | ///\r | |
80408db0 | 28 | PCD_PROTOCOL mPcdInstance = {\r |
29 | DxePcdSetSku,\r | |
30 | \r | |
31 | DxePcdGet8,\r | |
32 | DxePcdGet16,\r | |
33 | DxePcdGet32,\r | |
34 | DxePcdGet64,\r | |
35 | DxePcdGetPtr,\r | |
36 | DxePcdGetBool,\r | |
37 | DxePcdGetSize,\r | |
38 | \r | |
39 | DxePcdGet8Ex,\r | |
40 | DxePcdGet16Ex,\r | |
41 | DxePcdGet32Ex,\r | |
42 | DxePcdGet64Ex,\r | |
43 | DxePcdGetPtrEx,\r | |
44 | DxePcdGetBoolEx,\r | |
45 | DxePcdGetSizeEx,\r | |
46 | \r | |
47 | DxePcdSet8,\r | |
48 | DxePcdSet16,\r | |
49 | DxePcdSet32,\r | |
50 | DxePcdSet64,\r | |
51 | DxePcdSetPtr,\r | |
52 | DxePcdSetBool,\r | |
53 | \r | |
54 | DxePcdSet8Ex,\r | |
55 | DxePcdSet16Ex,\r | |
56 | DxePcdSet32Ex,\r | |
57 | DxePcdSet64Ex,\r | |
58 | DxePcdSetPtrEx,\r | |
59 | DxePcdSetBoolEx,\r | |
60 | \r | |
61 | DxeRegisterCallBackOnSet,\r | |
62 | DxeUnRegisterCallBackOnSet,\r | |
63 | DxePcdGetNextToken,\r | |
64 | DxePcdGetNextTokenSpace\r | |
65 | };\r | |
66 | \r | |
17e7fa8f | 67 | ///\r |
68 | /// EFI_PCD_PROTOCOL is defined in PI 1.2 Vol 3 which only support dynamicEx type\r | |
69 | /// PCD.\r | |
70 | ///\r | |
c896d682 | 71 | EFI_PCD_PROTOCOL mEfiPcdInstance = {\r |
72 | DxePcdSetSku,\r | |
73 | DxePcdGet8Ex,\r | |
74 | DxePcdGet16Ex,\r | |
75 | DxePcdGet32Ex,\r | |
76 | DxePcdGet64Ex,\r | |
77 | DxePcdGetPtrEx,\r | |
78 | DxePcdGetBoolEx,\r | |
79 | DxePcdGetSizeEx,\r | |
80 | DxePcdSet8Ex,\r | |
81 | DxePcdSet16Ex,\r | |
82 | DxePcdSet32Ex,\r | |
83 | DxePcdSet64Ex,\r | |
84 | DxePcdSetPtrEx,\r | |
85 | DxePcdSetBoolEx,\r | |
86 | (EFI_PCD_PROTOCOL_CALLBACK_ON_SET) DxeRegisterCallBackOnSet,\r | |
87 | (EFI_PCD_PROTOCOL_CANCEL_CALLBACK) DxeUnRegisterCallBackOnSet,\r | |
88 | DxePcdGetNextToken,\r | |
89 | DxePcdGetNextTokenSpace\r | |
90 | };\r | |
80408db0 | 91 | \r |
96d6d004 SZ |
92 | ///\r |
93 | /// Instance of GET_PCD_INFO_PROTOCOL protocol is EDKII native implementation.\r | |
94 | /// This protocol instance support dynamic and dynamicEx type PCDs.\r | |
95 | ///\r | |
96 | GET_PCD_INFO_PROTOCOL mGetPcdInfoInstance = {\r | |
97 | DxeGetPcdInfoGetInfo,\r | |
98 | DxeGetPcdInfoGetInfoEx,\r | |
99 | DxeGetPcdInfoGetSku\r | |
100 | };\r | |
101 | \r | |
102 | ///\r | |
103 | /// Instance of EFI_GET_PCD_INFO_PROTOCOL which is defined in PI 1.2.1 Vol 3.\r | |
104 | /// This PPI instance only support dyanmicEx type PCD.\r | |
105 | ///\r | |
106 | EFI_GET_PCD_INFO_PROTOCOL mEfiGetPcdInfoInstance = {\r | |
107 | DxeGetPcdInfoGetInfoEx,\r | |
108 | DxeGetPcdInfoGetSku\r | |
109 | };\r | |
110 | \r | |
17e7fa8f | 111 | EFI_HANDLE mPcdHandle = NULL;\r |
534efca0 | 112 | UINTN mVpdBaseAddress = 0;\r |
80408db0 | 113 | \r |
2ab6330e | 114 | /**\r |
115 | Main entry for PCD DXE driver.\r | |
d1102dba | 116 | \r |
2ab6330e | 117 | This routine initialize the PCD database and install PCD_PROTOCOL.\r |
d1102dba | 118 | \r |
2ab6330e | 119 | @param ImageHandle Image handle for PCD DXE driver.\r |
120 | @param SystemTable Pointer to SystemTable.\r | |
121 | \r | |
122 | @return Status of gBS->InstallProtocolInterface()\r | |
123 | \r | |
124 | **/\r | |
80408db0 | 125 | EFI_STATUS\r |
126 | EFIAPI\r | |
127 | PcdDxeInit (\r | |
128 | IN EFI_HANDLE ImageHandle,\r | |
129 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
130 | )\r | |
131 | {\r | |
8a541f0a | 132 | EFI_STATUS Status;\r |
23f3e119 SZ |
133 | VOID *Registration;\r |
134 | \r | |
80408db0 | 135 | //\r |
136 | // Make sure the Pcd Protocol is not already installed in the system\r | |
137 | //\r | |
138 | \r | |
139 | ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gPcdProtocolGuid);\r | |
140 | \r | |
141 | BuildPcdDxeDataBase ();\r | |
142 | \r | |
c896d682 | 143 | //\r |
8a541f0a | 144 | // Install PCD_PROTOCOL to handle dynamic type PCD\r |
145 | // Install EFI_PCD_PROTOCOL to handle dynamicEx type PCD\r | |
c896d682 | 146 | //\r |
8a541f0a | 147 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
17e7fa8f | 148 | &mPcdHandle,\r |
149 | &gPcdProtocolGuid, &mPcdInstance,\r | |
150 | &gEfiPcdProtocolGuid, &mEfiPcdInstance,\r | |
151 | NULL\r | |
c896d682 | 152 | );\r |
80408db0 | 153 | ASSERT_EFI_ERROR (Status);\r |
154 | \r | |
61d8989f | 155 | //\r |
85d0b97d SZ |
156 | // Install GET_PCD_INFO_PROTOCOL to handle dynamic type PCD\r |
157 | // Install EFI_GET_PCD_INFO_PROTOCOL to handle dynamicEx type PCD\r | |
61d8989f | 158 | //\r |
85d0b97d SZ |
159 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
160 | &mPcdHandle,\r | |
161 | &gGetPcdInfoProtocolGuid, &mGetPcdInfoInstance,\r | |
162 | &gEfiGetPcdInfoProtocolGuid, &mEfiGetPcdInfoInstance,\r | |
163 | NULL\r | |
164 | );\r | |
165 | ASSERT_EFI_ERROR (Status);\r | |
96d6d004 | 166 | \r |
23f3e119 SZ |
167 | //\r |
168 | // Register callback function upon VariableLockProtocol\r | |
169 | // to lock the variables referenced by DynamicHii PCDs with RO property set in *.dsc.\r | |
170 | //\r | |
171 | EfiCreateProtocolNotifyEvent (\r | |
172 | &gEdkiiVariableLockProtocolGuid,\r | |
173 | TPL_CALLBACK,\r | |
174 | VariableLockCallBack,\r | |
175 | NULL,\r | |
176 | &Registration\r | |
177 | );\r | |
178 | \r | |
534efca0 LG |
179 | //\r |
180 | // Cache VpdBaseAddress in entry point for the following usage.\r | |
181 | //\r | |
182 | \r | |
183 | //\r | |
184 | // PcdVpdBaseAddress64 is DynamicEx PCD only. So, DxePcdGet64Ex() is used to get its value.\r | |
185 | //\r | |
186 | mVpdBaseAddress = (UINTN) DxePcdGet64Ex (&gEfiMdeModulePkgTokenSpaceGuid, PcdToken (PcdVpdBaseAddress64));\r | |
187 | if (mVpdBaseAddress == 0) {\r | |
188 | //\r | |
189 | // PcdVpdBaseAddress64 is not set, get value from PcdVpdBaseAddress.\r | |
190 | //\r | |
191 | mVpdBaseAddress = (UINTN) PcdGet32 (PcdVpdBaseAddress);\r | |
192 | }\r | |
193 | \r | |
17e7fa8f | 194 | return Status;\r |
96d6d004 SZ |
195 | }\r |
196 | \r | |
197 | /**\r | |
198 | Retrieve additional information associated with a PCD token in the default token space.\r | |
199 | \r | |
200 | This includes information such as the type of value the TokenNumber is associated with as well as possible\r | |
201 | human readable name that is associated with the token.\r | |
202 | \r | |
203 | @param[in] TokenNumber The PCD token number.\r | |
204 | @param[out] PcdInfo The returned information associated with the requested TokenNumber.\r | |
205 | The caller is responsible for freeing the buffer that is allocated by callee for PcdInfo->PcdName.\r | |
206 | \r | |
207 | @retval EFI_SUCCESS The PCD information was returned successfully.\r | |
208 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
209 | **/\r | |
210 | EFI_STATUS\r | |
211 | EFIAPI\r | |
212 | DxeGetPcdInfoGetInfo (\r | |
213 | IN UINTN TokenNumber,\r | |
214 | OUT EFI_PCD_INFO *PcdInfo\r | |
215 | )\r | |
216 | {\r | |
217 | return DxeGetPcdInfo (NULL, TokenNumber, PcdInfo);\r | |
218 | }\r | |
219 | \r | |
220 | /**\r | |
221 | Retrieve additional information associated with a PCD token.\r | |
222 | \r | |
223 | This includes information such as the type of value the TokenNumber is associated with as well as possible\r | |
224 | human readable name that is associated with the token.\r | |
80408db0 | 225 | \r |
96d6d004 SZ |
226 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
227 | @param[in] TokenNumber The PCD token number.\r | |
228 | @param[out] PcdInfo The returned information associated with the requested TokenNumber.\r | |
229 | The caller is responsible for freeing the buffer that is allocated by callee for PcdInfo->PcdName.\r | |
230 | \r | |
231 | @retval EFI_SUCCESS The PCD information was returned successfully.\r | |
232 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
233 | **/\r | |
234 | EFI_STATUS\r | |
235 | EFIAPI\r | |
236 | DxeGetPcdInfoGetInfoEx (\r | |
237 | IN CONST EFI_GUID *Guid,\r | |
238 | IN UINTN TokenNumber,\r | |
239 | OUT EFI_PCD_INFO *PcdInfo\r | |
240 | )\r | |
241 | {\r | |
242 | return DxeGetPcdInfo (Guid, TokenNumber, PcdInfo);\r | |
243 | }\r | |
244 | \r | |
245 | /**\r | |
246 | Retrieve the currently set SKU Id.\r | |
247 | \r | |
248 | @return The currently set SKU Id. If the platform has not set at a SKU Id, then the\r | |
249 | default SKU Id value of 0 is returned. If the platform has set a SKU Id, then the currently set SKU\r | |
250 | Id is returned.\r | |
251 | **/\r | |
252 | UINTN\r | |
253 | EFIAPI\r | |
254 | DxeGetPcdInfoGetSku (\r | |
255 | VOID\r | |
256 | )\r | |
257 | {\r | |
b6e89910 | 258 | return (UINTN) mPcdDatabase.DxeDb->SystemSkuId;\r |
80408db0 | 259 | }\r |
260 | \r | |
2ab6330e | 261 | /**\r |
262 | Sets the SKU value for subsequent calls to set or get PCD token values.\r | |
263 | \r | |
d1102dba | 264 | SetSku() sets the SKU Id to be used for subsequent calls to set or get PCD values.\r |
2ab6330e | 265 | SetSku() is normally called only once by the system.\r |
266 | \r | |
d1102dba LG |
267 | For each item (token), the database can hold a single value that applies to all SKUs,\r |
268 | or multiple values, where each value is associated with a specific SKU Id. Items with multiple,\r | |
269 | SKU-specific values are called SKU enabled.\r | |
270 | \r | |
120ca3ce | 271 | The SKU Id of zero is reserved as a default.\r |
d1102dba LG |
272 | For tokens that are not SKU enabled, the system ignores any set SKU Id and works with the\r |
273 | single value for that token. For SKU-enabled tokens, the system will use the SKU Id set by the\r | |
274 | last call to SetSku(). If no SKU Id is set or the currently set SKU Id isn't valid for the specified token,\r | |
275 | the system uses the default SKU Id. If the system attempts to use the default SKU Id and no value has been\r | |
2ab6330e | 276 | set for that Id, the results are unpredictable.\r |
277 | \r | |
d1102dba | 278 | @param[in] SkuId The SKU value that will be used when the PCD service will retrieve and\r |
2ab6330e | 279 | set values associated with a PCD token.\r |
280 | \r | |
2ab6330e | 281 | **/\r |
80408db0 | 282 | VOID\r |
283 | EFIAPI\r | |
284 | DxePcdSetSku (\r | |
285 | IN UINTN SkuId\r | |
286 | )\r | |
287 | {\r | |
7c736265 LG |
288 | SKU_ID *SkuIdTable;\r |
289 | UINTN Index;\r | |
290 | EFI_STATUS Status;\r | |
85d0b97d | 291 | \r |
f71503c3 LG |
292 | DEBUG ((DEBUG_INFO, "PcdDxe - SkuId 0x%lx is to be set.\n", (SKU_ID) SkuId));\r |
293 | \r | |
2db48a1f SZ |
294 | if (SkuId == mPcdDatabase.DxeDb->SystemSkuId) {\r |
295 | //\r | |
296 | // The input SKU Id is equal to current SKU Id, return directly.\r | |
297 | //\r | |
f71503c3 | 298 | DEBUG ((DEBUG_INFO, "PcdDxe - SkuId is same to current system Sku.\n"));\r |
2db48a1f SZ |
299 | return;\r |
300 | }\r | |
301 | \r | |
302 | if (mPcdDatabase.DxeDb->SystemSkuId != (SKU_ID) 0) {\r | |
303 | DEBUG ((DEBUG_ERROR, "PcdDxe - The SKU Id could be changed only once."));\r | |
304 | DEBUG ((\r | |
305 | DEBUG_ERROR,\r | |
306 | "PcdDxe - The SKU Id was set to 0x%lx already, it could not be set to 0x%lx any more.",\r | |
307 | mPcdDatabase.DxeDb->SystemSkuId,\r | |
308 | (SKU_ID) SkuId\r | |
309 | ));\r | |
310 | ASSERT (FALSE);\r | |
311 | return;\r | |
312 | }\r | |
313 | \r | |
85d0b97d SZ |
314 | SkuIdTable = (SKU_ID *) ((UINT8 *) mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->SkuIdTableOffset);\r |
315 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r | |
316 | if (SkuId == SkuIdTable[Index + 1]) {\r | |
f71503c3 | 317 | DEBUG ((DEBUG_INFO, "PcdDxe - SkuId is found in SkuId table.\n"));\r |
7c736265 LG |
318 | Status = UpdatePcdDatabase (SkuId, TRUE);\r |
319 | if (!EFI_ERROR (Status)) {\r | |
320 | mPcdDatabase.DxeDb->SystemSkuId = (SKU_ID) SkuId;\r | |
321 | DEBUG ((DEBUG_INFO, "PcdDxe - Set current SKU Id to 0x%lx.\n", (SKU_ID) SkuId));\r | |
322 | return;\r | |
323 | }\r | |
85d0b97d SZ |
324 | }\r |
325 | }\r | |
326 | \r | |
327 | //\r | |
2db48a1f | 328 | // Invalid input SkuId, the default SKU Id will be still used for the system.\r |
85d0b97d | 329 | //\r |
f71503c3 | 330 | DEBUG ((DEBUG_ERROR, "PcdDxe - Invalid input SkuId, the default SKU Id will be still used.\n"));\r |
80408db0 | 331 | return;\r |
332 | }\r | |
333 | \r | |
2ab6330e | 334 | /**\r |
335 | Retrieves an 8-bit value for a given PCD token.\r | |
80408db0 | 336 | \r |
d1102dba | 337 | Retrieves the current byte-sized value for a PCD token number.\r |
2ab6330e | 338 | If the TokenNumber is invalid, the results are unpredictable.\r |
d1102dba LG |
339 | \r |
340 | @param[in] TokenNumber The PCD token number.\r | |
80408db0 | 341 | \r |
2ab6330e | 342 | @return The UINT8 value.\r |
d1102dba | 343 | \r |
2ab6330e | 344 | **/\r |
80408db0 | 345 | UINT8\r |
346 | EFIAPI\r | |
347 | DxePcdGet8 (\r | |
348 | IN UINTN TokenNumber\r | |
349 | )\r | |
350 | {\r | |
351 | return *((UINT8 *) GetWorker (TokenNumber, sizeof (UINT8)));\r | |
352 | }\r | |
353 | \r | |
2ab6330e | 354 | /**\r |
355 | Retrieves an 16-bit value for a given PCD token.\r | |
80408db0 | 356 | \r |
d1102dba | 357 | Retrieves the current 16-bits value for a PCD token number.\r |
2ab6330e | 358 | If the TokenNumber is invalid, the results are unpredictable.\r |
d1102dba LG |
359 | \r |
360 | @param[in] TokenNumber The PCD token number.\r | |
80408db0 | 361 | \r |
2ab6330e | 362 | @return The UINT16 value.\r |
d1102dba | 363 | \r |
2ab6330e | 364 | **/\r |
80408db0 | 365 | UINT16\r |
366 | EFIAPI\r | |
367 | DxePcdGet16 (\r | |
368 | IN UINTN TokenNumber\r | |
369 | )\r | |
370 | {\r | |
371 | return ReadUnaligned16 (GetWorker (TokenNumber, sizeof (UINT16)));\r | |
372 | }\r | |
373 | \r | |
2ab6330e | 374 | /**\r |
375 | Retrieves an 32-bit value for a given PCD token.\r | |
80408db0 | 376 | \r |
d1102dba | 377 | Retrieves the current 32-bits value for a PCD token number.\r |
2ab6330e | 378 | If the TokenNumber is invalid, the results are unpredictable.\r |
d1102dba LG |
379 | \r |
380 | @param[in] TokenNumber The PCD token number.\r | |
80408db0 | 381 | \r |
2ab6330e | 382 | @return The UINT32 value.\r |
d1102dba | 383 | \r |
2ab6330e | 384 | **/\r |
80408db0 | 385 | UINT32\r |
386 | EFIAPI\r | |
387 | DxePcdGet32 (\r | |
388 | IN UINTN TokenNumber\r | |
389 | )\r | |
390 | {\r | |
391 | return ReadUnaligned32 (GetWorker (TokenNumber, sizeof (UINT32)));\r | |
392 | }\r | |
393 | \r | |
2ab6330e | 394 | /**\r |
395 | Retrieves an 64-bit value for a given PCD token.\r | |
80408db0 | 396 | \r |
d1102dba | 397 | Retrieves the current 64-bits value for a PCD token number.\r |
2ab6330e | 398 | If the TokenNumber is invalid, the results are unpredictable.\r |
d1102dba LG |
399 | \r |
400 | @param[in] TokenNumber The PCD token number.\r | |
80408db0 | 401 | \r |
2ab6330e | 402 | @return The UINT64 value.\r |
d1102dba | 403 | \r |
2ab6330e | 404 | **/\r |
80408db0 | 405 | UINT64\r |
406 | EFIAPI\r | |
407 | DxePcdGet64 (\r | |
408 | IN UINTN TokenNumber\r | |
409 | )\r | |
410 | {\r | |
411 | return ReadUnaligned64(GetWorker (TokenNumber, sizeof (UINT64)));\r | |
412 | }\r | |
413 | \r | |
2ab6330e | 414 | /**\r |
415 | Retrieves a pointer to a value for a given PCD token.\r | |
80408db0 | 416 | \r |
d1102dba LG |
417 | Retrieves the current pointer to the buffer for a PCD token number.\r |
418 | Do not make any assumptions about the alignment of the pointer that\r | |
419 | is returned by this function call. If the TokenNumber is invalid,\r | |
2ab6330e | 420 | the results are unpredictable.\r |
80408db0 | 421 | \r |
d1102dba | 422 | @param[in] TokenNumber The PCD token number.\r |
2ab6330e | 423 | \r |
424 | @return The pointer to the buffer to be retrived.\r | |
d1102dba | 425 | \r |
2ab6330e | 426 | **/\r |
80408db0 | 427 | VOID *\r |
428 | EFIAPI\r | |
429 | DxePcdGetPtr (\r | |
430 | IN UINTN TokenNumber\r | |
431 | )\r | |
432 | {\r | |
433 | return GetWorker (TokenNumber, 0);\r | |
434 | }\r | |
435 | \r | |
2ab6330e | 436 | /**\r |
437 | Retrieves a Boolean value for a given PCD token.\r | |
438 | \r | |
d1102dba LG |
439 | Retrieves the current boolean value 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 | |
2ab6330e | 442 | the results are unpredictable.\r |
80408db0 | 443 | \r |
d1102dba | 444 | @param[in] TokenNumber The PCD token number.\r |
80408db0 | 445 | \r |
2ab6330e | 446 | @return The Boolean value.\r |
d1102dba | 447 | \r |
2ab6330e | 448 | **/\r |
80408db0 | 449 | BOOLEAN\r |
450 | EFIAPI\r | |
451 | DxePcdGetBool (\r | |
452 | IN UINTN TokenNumber\r | |
453 | )\r | |
454 | {\r | |
455 | return *((BOOLEAN *) GetWorker (TokenNumber, sizeof (BOOLEAN)));\r | |
456 | }\r | |
457 | \r | |
2ab6330e | 458 | /**\r |
459 | Retrieves the size of the value for a given PCD token.\r | |
80408db0 | 460 | \r |
d1102dba | 461 | Retrieves the current size of a particular PCD token.\r |
2ab6330e | 462 | If the TokenNumber is invalid, the results are unpredictable.\r |
80408db0 | 463 | \r |
d1102dba | 464 | @param[in] TokenNumber The PCD token number.\r |
2ab6330e | 465 | \r |
466 | @return The size of the value for the PCD token.\r | |
d1102dba | 467 | \r |
2ab6330e | 468 | **/\r |
80408db0 | 469 | UINTN\r |
470 | EFIAPI\r | |
471 | DxePcdGetSize (\r | |
472 | IN UINTN TokenNumber\r | |
473 | )\r | |
474 | {\r | |
475 | UINTN Size;\r | |
476 | UINT32 *LocalTokenNumberTable;\r | |
477 | BOOLEAN IsPeiDb;\r | |
478 | UINTN MaxSize;\r | |
479 | UINTN TmpTokenNumber;\r | |
480 | //\r | |
481 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
482 | // We have to decrement TokenNumber by 1 to make it usable\r | |
483 | // as the array index.\r | |
484 | //\r | |
485 | TokenNumber--;\r | |
486 | \r | |
487 | //\r | |
488 | // Backup the TokenNumber passed in as GetPtrTypeSize need the original TokenNumber\r | |
d1102dba | 489 | //\r |
80408db0 | 490 | TmpTokenNumber = TokenNumber;\r |
491 | \r | |
492 | // EBC compiler is very choosy. It may report warning about comparison\r | |
d1102dba | 493 | // between UINTN and 0 . So we add 1 in each size of the\r |
80408db0 | 494 | // comparison.\r |
419db80b | 495 | ASSERT (TokenNumber + 1 < mPcdTotalTokenCount + 1);\r |
80408db0 | 496 | \r |
497 | // EBC compiler is very choosy. It may report warning about comparison\r | |
d1102dba | 498 | // between UINTN and 0 . So we add 1 in each size of the\r |
80408db0 | 499 | // comparison.\r |
419db80b | 500 | IsPeiDb = (BOOLEAN) (TokenNumber + 1 < mPeiLocalTokenCount + 1);\r |
d1102dba LG |
501 | \r |
502 | TokenNumber = IsPeiDb ? TokenNumber :\r | |
419db80b | 503 | (TokenNumber - mPeiLocalTokenCount);\r |
80408db0 | 504 | \r |
d1102dba | 505 | LocalTokenNumberTable = IsPeiDb ? (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset)\r |
419db80b | 506 | : (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r |
80408db0 | 507 | \r |
508 | Size = (LocalTokenNumberTable[TokenNumber] & PCD_DATUM_TYPE_ALL_SET) >> PCD_DATUM_TYPE_SHIFT;\r | |
509 | \r | |
510 | if (Size == 0) {\r | |
511 | //\r | |
512 | // For pointer type, we need to scan the SIZE_TABLE to get the current size.\r | |
513 | //\r | |
514 | return GetPtrTypeSize (TmpTokenNumber, &MaxSize);\r | |
515 | } else {\r | |
516 | return Size;\r | |
517 | }\r | |
518 | \r | |
519 | }\r | |
520 | \r | |
2ab6330e | 521 | /**\r |
522 | Retrieves an 8-bit value for a given PCD token.\r | |
523 | \r | |
d1102dba | 524 | Retrieves the 8-bit value of a particular PCD token.\r |
2ab6330e | 525 | If the TokenNumber is invalid or the token space\r |
d1102dba | 526 | specified by Guid does not exist, the results are\r |
2ab6330e | 527 | unpredictable.\r |
80408db0 | 528 | \r |
2ab6330e | 529 | @param[in] Guid The token space for the token number.\r |
d1102dba | 530 | @param[in] ExTokenNumber The PCD token number.\r |
80408db0 | 531 | \r |
2ab6330e | 532 | @return The size 8-bit value for the PCD token.\r |
d1102dba | 533 | \r |
2ab6330e | 534 | **/\r |
80408db0 | 535 | UINT8\r |
536 | EFIAPI\r | |
537 | DxePcdGet8Ex (\r | |
538 | IN CONST EFI_GUID *Guid,\r | |
2ab6330e | 539 | IN UINTN ExTokenNumber\r |
80408db0 | 540 | )\r |
541 | {\r | |
542 | return *((UINT8 *) ExGetWorker (Guid, ExTokenNumber, sizeof(UINT8)));\r | |
543 | }\r | |
544 | \r | |
2ab6330e | 545 | /**\r |
546 | Retrieves an 16-bit value for a given PCD token.\r | |
547 | \r | |
d1102dba | 548 | Retrieves the 16-bit value of a particular PCD token.\r |
2ab6330e | 549 | If the TokenNumber is invalid or the token space\r |
d1102dba | 550 | specified by Guid does not exist, the results are\r |
2ab6330e | 551 | unpredictable.\r |
80408db0 | 552 | \r |
2ab6330e | 553 | @param[in] Guid The token space for the token number.\r |
d1102dba | 554 | @param[in] ExTokenNumber The PCD token number.\r |
80408db0 | 555 | \r |
2ab6330e | 556 | @return The size 16-bit value for the PCD token.\r |
d1102dba | 557 | \r |
2ab6330e | 558 | **/\r |
80408db0 | 559 | UINT16\r |
560 | EFIAPI\r | |
561 | DxePcdGet16Ex (\r | |
562 | IN CONST EFI_GUID *Guid,\r | |
563 | IN UINTN ExTokenNumber\r | |
564 | )\r | |
565 | {\r | |
566 | return ReadUnaligned16 (ExGetWorker (Guid, ExTokenNumber, sizeof(UINT16)));\r | |
567 | }\r | |
568 | \r | |
2ab6330e | 569 | /**\r |
570 | Retrieves an 32-bit value for a given PCD token.\r | |
571 | \r | |
d1102dba | 572 | Retrieves the 32-bit value of a particular PCD token.\r |
2ab6330e | 573 | If the TokenNumber is invalid or the token space\r |
d1102dba | 574 | specified by Guid does not exist, the results are\r |
2ab6330e | 575 | unpredictable.\r |
80408db0 | 576 | \r |
2ab6330e | 577 | @param[in] Guid The token space for the token number.\r |
d1102dba | 578 | @param[in] ExTokenNumber The PCD token number.\r |
80408db0 | 579 | \r |
2ab6330e | 580 | @return The size 32-bit value for the PCD token.\r |
d1102dba | 581 | \r |
2ab6330e | 582 | **/\r |
80408db0 | 583 | UINT32\r |
584 | EFIAPI\r | |
585 | DxePcdGet32Ex (\r | |
586 | IN CONST EFI_GUID *Guid,\r | |
587 | IN UINTN ExTokenNumber\r | |
588 | )\r | |
589 | {\r | |
590 | return ReadUnaligned32 (ExGetWorker (Guid, ExTokenNumber, sizeof(UINT32)));\r | |
591 | }\r | |
592 | \r | |
2ab6330e | 593 | /**\r |
594 | Retrieves an 64-bit value for a given PCD token.\r | |
80408db0 | 595 | \r |
d1102dba | 596 | Retrieves the 64-bit value of a particular PCD token.\r |
2ab6330e | 597 | If the TokenNumber is invalid or the token space\r |
d1102dba | 598 | specified by Guid does not exist, the results are\r |
2ab6330e | 599 | unpredictable.\r |
80408db0 | 600 | \r |
2ab6330e | 601 | @param[in] Guid The token space for the token number.\r |
d1102dba | 602 | @param[in] ExTokenNumber The PCD token number.\r |
2ab6330e | 603 | \r |
604 | @return The size 64-bit value for the PCD token.\r | |
d1102dba | 605 | \r |
2ab6330e | 606 | **/\r |
80408db0 | 607 | UINT64\r |
608 | EFIAPI\r | |
609 | DxePcdGet64Ex (\r | |
610 | IN CONST EFI_GUID *Guid,\r | |
611 | IN UINTN ExTokenNumber\r | |
612 | )\r | |
613 | {\r | |
614 | return ReadUnaligned64 (ExGetWorker (Guid, ExTokenNumber, sizeof(UINT64)));\r | |
615 | }\r | |
616 | \r | |
2ab6330e | 617 | /**\r |
618 | Retrieves a pointer to a value for a given PCD token.\r | |
619 | \r | |
d1102dba LG |
620 | Retrieves the current pointer to the buffer for a PCD token number.\r |
621 | Do not make any assumptions about the alignment of the pointer that\r | |
622 | is returned by this function call. If the TokenNumber is invalid,\r | |
2ab6330e | 623 | the results are unpredictable.\r |
80408db0 | 624 | \r |
2ab6330e | 625 | @param[in] Guid The token space for the token number.\r |
d1102dba | 626 | @param[in] ExTokenNumber The PCD token number.\r |
80408db0 | 627 | \r |
2ab6330e | 628 | @return The pointer to the buffer to be retrived.\r |
d1102dba | 629 | \r |
2ab6330e | 630 | **/\r |
80408db0 | 631 | VOID *\r |
632 | EFIAPI\r | |
633 | DxePcdGetPtrEx (\r | |
634 | IN CONST EFI_GUID *Guid,\r | |
635 | IN UINTN ExTokenNumber\r | |
636 | )\r | |
637 | {\r | |
638 | return ExGetWorker (Guid, ExTokenNumber, 0);\r | |
639 | }\r | |
640 | \r | |
2ab6330e | 641 | /**\r |
642 | Retrieves an Boolean value for a given PCD token.\r | |
80408db0 | 643 | \r |
d1102dba | 644 | Retrieves the Boolean value of a particular PCD token.\r |
2ab6330e | 645 | If the TokenNumber is invalid or the token space\r |
d1102dba | 646 | specified by Guid does not exist, the results are\r |
2ab6330e | 647 | unpredictable.\r |
80408db0 | 648 | \r |
2ab6330e | 649 | @param[in] Guid The token space for the token number.\r |
d1102dba | 650 | @param[in] ExTokenNumber The PCD token number.\r |
2ab6330e | 651 | \r |
652 | @return The size Boolean value for the PCD token.\r | |
d1102dba | 653 | \r |
2ab6330e | 654 | **/\r |
80408db0 | 655 | BOOLEAN\r |
656 | EFIAPI\r | |
657 | DxePcdGetBoolEx (\r | |
658 | IN CONST EFI_GUID *Guid,\r | |
659 | IN UINTN ExTokenNumber\r | |
660 | )\r | |
661 | {\r | |
662 | return *((BOOLEAN *) ExGetWorker (Guid, ExTokenNumber, sizeof(BOOLEAN)));\r | |
663 | }\r | |
664 | \r | |
2ab6330e | 665 | /**\r |
666 | Retrieves the size of the value for a given PCD token.\r | |
667 | \r | |
d1102dba | 668 | Retrieves the current size of a particular PCD token.\r |
2ab6330e | 669 | If the TokenNumber is invalid, the results are unpredictable.\r |
80408db0 | 670 | \r |
2ab6330e | 671 | @param[in] Guid The token space for the token number.\r |
d1102dba | 672 | @param[in] ExTokenNumber The PCD token number.\r |
80408db0 | 673 | \r |
2ab6330e | 674 | @return The size of the value for the PCD token.\r |
d1102dba | 675 | \r |
2ab6330e | 676 | **/\r |
80408db0 | 677 | UINTN\r |
678 | EFIAPI\r | |
679 | DxePcdGetSizeEx (\r | |
680 | IN CONST EFI_GUID *Guid,\r | |
681 | IN UINTN ExTokenNumber\r | |
682 | )\r | |
683 | {\r | |
684 | return DxePcdGetSize(GetExPcdTokenNumber (Guid, (UINT32) ExTokenNumber));\r | |
685 | }\r | |
686 | \r | |
2ab6330e | 687 | /**\r |
688 | Sets an 8-bit value for a given PCD token.\r | |
689 | \r | |
d1102dba LG |
690 | When the PCD service sets a value, it will check to ensure that the\r |
691 | size of the value being set is compatible with the Token's existing definition.\r | |
2ab6330e | 692 | If it is not, an error will be returned.\r |
80408db0 | 693 | \r |
d1102dba | 694 | @param[in] TokenNumber The PCD token number.\r |
2ab6330e | 695 | @param[in] Value The value to set for the PCD token.\r |
80408db0 | 696 | \r |
2ab6330e | 697 | @retval EFI_SUCCESS Procedure returned successfully.\r |
d1102dba LG |
698 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r |
699 | being set was incompatible with a call to this function.\r | |
2ab6330e | 700 | Use GetSize() to retrieve the size of the target data.\r |
701 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
d1102dba | 702 | \r |
2ab6330e | 703 | **/\r |
80408db0 | 704 | EFI_STATUS\r |
705 | EFIAPI\r | |
706 | DxePcdSet8 (\r | |
707 | IN UINTN TokenNumber,\r | |
708 | IN UINT8 Value\r | |
709 | )\r | |
710 | {\r | |
711 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r | |
712 | }\r | |
713 | \r | |
2ab6330e | 714 | /**\r |
715 | Sets an 16-bit value for a given PCD token.\r | |
80408db0 | 716 | \r |
d1102dba LG |
717 | When the PCD service sets a value, it will check to ensure that the\r |
718 | size of the value being set is compatible with the Token's existing definition.\r | |
2ab6330e | 719 | If it is not, an error will be returned.\r |
80408db0 | 720 | \r |
d1102dba | 721 | @param[in] TokenNumber The PCD token number.\r |
2ab6330e | 722 | @param[in] Value The value to set for the PCD token.\r |
723 | \r | |
724 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
d1102dba LG |
725 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r |
726 | being set was incompatible with a call to this function.\r | |
2ab6330e | 727 | Use GetSize() to retrieve the size of the target data.\r |
728 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
d1102dba | 729 | \r |
2ab6330e | 730 | **/\r |
80408db0 | 731 | EFI_STATUS\r |
732 | EFIAPI\r | |
733 | DxePcdSet16 (\r | |
734 | IN UINTN TokenNumber,\r | |
735 | IN UINT16 Value\r | |
736 | )\r | |
737 | {\r | |
738 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r | |
739 | }\r | |
740 | \r | |
2ab6330e | 741 | /**\r |
742 | Sets an 32-bit value for a given PCD token.\r | |
743 | \r | |
d1102dba LG |
744 | When the PCD service sets a value, it will check to ensure that the\r |
745 | size of the value being set is compatible with the Token's existing definition.\r | |
2ab6330e | 746 | If it is not, an error will be returned.\r |
80408db0 | 747 | \r |
d1102dba | 748 | @param[in] TokenNumber The PCD token number.\r |
2ab6330e | 749 | @param[in] Value The value to set for the PCD token.\r |
80408db0 | 750 | \r |
2ab6330e | 751 | @retval EFI_SUCCESS Procedure returned successfully.\r |
d1102dba LG |
752 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r |
753 | being set was incompatible with a call to this function.\r | |
2ab6330e | 754 | Use GetSize() to retrieve the size of the target data.\r |
755 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
d1102dba | 756 | \r |
2ab6330e | 757 | **/\r |
80408db0 | 758 | EFI_STATUS\r |
759 | EFIAPI\r | |
760 | DxePcdSet32 (\r | |
761 | IN UINTN TokenNumber,\r | |
762 | IN UINT32 Value\r | |
763 | )\r | |
764 | {\r | |
765 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r | |
766 | }\r | |
767 | \r | |
2ab6330e | 768 | /**\r |
769 | Sets an 64-bit value for a given PCD token.\r | |
80408db0 | 770 | \r |
d1102dba LG |
771 | When the PCD service sets a value, it will check to ensure that the\r |
772 | size of the value being set is compatible with the Token's existing definition.\r | |
2ab6330e | 773 | If it is not, an error will be returned.\r |
80408db0 | 774 | \r |
d1102dba | 775 | @param[in] TokenNumber The PCD token number.\r |
2ab6330e | 776 | @param[in] Value The value to set for the PCD token.\r |
777 | \r | |
778 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
d1102dba LG |
779 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r |
780 | being set was incompatible with a call to this function.\r | |
2ab6330e | 781 | Use GetSize() to retrieve the size of the target data.\r |
782 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
d1102dba | 783 | \r |
2ab6330e | 784 | **/\r |
80408db0 | 785 | EFI_STATUS\r |
786 | EFIAPI\r | |
787 | DxePcdSet64 (\r | |
788 | IN UINTN TokenNumber,\r | |
789 | IN UINT64 Value\r | |
790 | )\r | |
791 | {\r | |
792 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r | |
793 | }\r | |
794 | \r | |
2ab6330e | 795 | /**\r |
796 | Sets a value of a specified size for a given PCD token.\r | |
797 | \r | |
d1102dba LG |
798 | When the PCD service sets a value, it will check to ensure that the\r |
799 | size of the value being set is compatible with the Token's existing definition.\r | |
2ab6330e | 800 | If it is not, an error will be returned.\r |
801 | \r | |
d1102dba LG |
802 | @param[in] TokenNumber The PCD token number.\r |
803 | @param[in, out] SizeOfBuffer A pointer to the length of the value being set for the PCD token.\r | |
804 | On input, if the SizeOfValue is greater than the maximum size supported\r | |
805 | for this TokenNumber then the output value of SizeOfValue will reflect\r | |
2ab6330e | 806 | the maximum size supported for this TokenNumber.\r |
807 | @param[in] Buffer The buffer to set for the PCD token.\r | |
808 | \r | |
809 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
d1102dba LG |
810 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r |
811 | being set was incompatible with a call to this function.\r | |
2ab6330e | 812 | Use GetSize() to retrieve the size of the target data.\r |
813 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
d1102dba | 814 | \r |
2ab6330e | 815 | **/\r |
80408db0 | 816 | EFI_STATUS\r |
817 | EFIAPI\r | |
818 | DxePcdSetPtr (\r | |
819 | IN UINTN TokenNumber,\r | |
820 | IN OUT UINTN *SizeOfBuffer,\r | |
821 | IN VOID *Buffer\r | |
822 | )\r | |
823 | {\r | |
824 | return SetWorker (TokenNumber, Buffer, SizeOfBuffer, TRUE);\r | |
825 | }\r | |
826 | \r | |
2ab6330e | 827 | /**\r |
828 | Sets an Boolean value for a given PCD token.\r | |
80408db0 | 829 | \r |
d1102dba LG |
830 | When the PCD service sets a value, it will check to ensure that the\r |
831 | size of the value being set is compatible with the Token's existing definition.\r | |
2ab6330e | 832 | If it is not, an error will be returned.\r |
80408db0 | 833 | \r |
d1102dba | 834 | @param[in] TokenNumber The PCD token number.\r |
2ab6330e | 835 | @param[in] Value The value to set for the PCD token.\r |
836 | \r | |
837 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
d1102dba LG |
838 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r |
839 | being set was incompatible with a call to this function.\r | |
2ab6330e | 840 | Use GetSize() to retrieve the size of the target data.\r |
841 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
d1102dba | 842 | \r |
2ab6330e | 843 | **/\r |
80408db0 | 844 | EFI_STATUS\r |
845 | EFIAPI\r | |
846 | DxePcdSetBool (\r | |
847 | IN UINTN TokenNumber,\r | |
848 | IN BOOLEAN Value\r | |
849 | )\r | |
850 | {\r | |
851 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r | |
852 | }\r | |
853 | \r | |
2ab6330e | 854 | /**\r |
855 | Sets an 8-bit value for a given PCD token.\r | |
856 | \r | |
d1102dba LG |
857 | When the PCD service sets a value, it will check to ensure that the\r |
858 | size of the value being set is compatible with the Token's existing definition.\r | |
2ab6330e | 859 | If it is not, an error will be returned.\r |
80408db0 | 860 | \r |
2ab6330e | 861 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
d1102dba | 862 | @param[in] ExTokenNumber The PCD token number.\r |
2ab6330e | 863 | @param[in] Value The value to set for the PCD token.\r |
80408db0 | 864 | \r |
2ab6330e | 865 | @retval EFI_SUCCESS Procedure returned successfully.\r |
d1102dba LG |
866 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r |
867 | being set was incompatible with a call to this function.\r | |
2ab6330e | 868 | Use GetSize() to retrieve the size of the target data.\r |
869 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
d1102dba | 870 | \r |
2ab6330e | 871 | **/\r |
80408db0 | 872 | EFI_STATUS\r |
873 | EFIAPI\r | |
874 | DxePcdSet8Ex (\r | |
875 | IN CONST EFI_GUID *Guid,\r | |
876 | IN UINTN ExTokenNumber,\r | |
877 | IN UINT8 Value\r | |
878 | )\r | |
879 | {\r | |
880 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r | |
881 | }\r | |
882 | \r | |
2ab6330e | 883 | /**\r |
884 | Sets an 16-bit value for a given PCD token.\r | |
80408db0 | 885 | \r |
d1102dba LG |
886 | When the PCD service sets a value, it will check to ensure that the\r |
887 | size of the value being set is compatible with the Token's existing definition.\r | |
2ab6330e | 888 | If it is not, an error will be returned.\r |
80408db0 | 889 | \r |
2ab6330e | 890 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
d1102dba | 891 | @param[in] ExTokenNumber The PCD token number.\r |
2ab6330e | 892 | @param[in] Value The value to set for the PCD token.\r |
893 | \r | |
894 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
d1102dba LG |
895 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r |
896 | being set was incompatible with a call to this function.\r | |
2ab6330e | 897 | Use GetSize() to retrieve the size of the target data.\r |
898 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
d1102dba | 899 | \r |
2ab6330e | 900 | **/\r |
80408db0 | 901 | EFI_STATUS\r |
902 | EFIAPI\r | |
903 | DxePcdSet16Ex (\r | |
904 | IN CONST EFI_GUID *Guid,\r | |
905 | IN UINTN ExTokenNumber,\r | |
906 | IN UINT16 Value\r | |
907 | )\r | |
908 | {\r | |
425084cd SZ |
909 | //\r |
910 | // PcdSetNvStoreDefaultId should be set in PEI phase to take effect.\r | |
911 | //\r | |
912 | ASSERT (!(CompareGuid (Guid, &gEfiMdeModulePkgTokenSpaceGuid) &&\r | |
913 | (ExTokenNumber == PcdToken(PcdSetNvStoreDefaultId))));\r | |
80408db0 | 914 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r |
915 | }\r | |
916 | \r | |
2ab6330e | 917 | /**\r |
918 | Sets an 32-bit value for a given PCD token.\r | |
919 | \r | |
d1102dba LG |
920 | When the PCD service sets a value, it will check to ensure that the\r |
921 | size of the value being set is compatible with the Token's existing definition.\r | |
2ab6330e | 922 | If it is not, an error will be returned.\r |
80408db0 | 923 | \r |
2ab6330e | 924 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
d1102dba | 925 | @param[in] ExTokenNumber The PCD token number.\r |
2ab6330e | 926 | @param[in] Value The value to set for the PCD token.\r |
80408db0 | 927 | \r |
2ab6330e | 928 | @retval EFI_SUCCESS Procedure returned successfully.\r |
d1102dba LG |
929 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r |
930 | being set was incompatible with a call to this function.\r | |
2ab6330e | 931 | Use GetSize() to retrieve the size of the target data.\r |
932 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
d1102dba | 933 | \r |
2ab6330e | 934 | **/\r |
80408db0 | 935 | EFI_STATUS\r |
936 | EFIAPI\r | |
937 | DxePcdSet32Ex (\r | |
938 | IN CONST EFI_GUID *Guid,\r | |
939 | IN UINTN ExTokenNumber,\r | |
940 | IN UINT32 Value\r | |
941 | )\r | |
942 | {\r | |
943 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r | |
944 | }\r | |
945 | \r | |
2ab6330e | 946 | /**\r |
947 | Sets an 64-bit value for a given PCD token.\r | |
948 | \r | |
d1102dba LG |
949 | When the PCD service sets a value, it will check to ensure that the\r |
950 | size of the value being set is compatible with the Token's existing definition.\r | |
2ab6330e | 951 | If it is not, an error will be returned.\r |
80408db0 | 952 | \r |
2ab6330e | 953 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
d1102dba | 954 | @param[in] ExTokenNumber The PCD token number.\r |
2ab6330e | 955 | @param[in] Value The value to set for the PCD token.\r |
80408db0 | 956 | \r |
2ab6330e | 957 | @retval EFI_SUCCESS Procedure returned successfully.\r |
d1102dba LG |
958 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r |
959 | being set was incompatible with a call to this function.\r | |
2ab6330e | 960 | Use GetSize() to retrieve the size of the target data.\r |
961 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
d1102dba | 962 | \r |
2ab6330e | 963 | **/\r |
80408db0 | 964 | EFI_STATUS\r |
965 | EFIAPI\r | |
966 | DxePcdSet64Ex (\r | |
967 | IN CONST EFI_GUID *Guid,\r | |
968 | IN UINTN ExTokenNumber,\r | |
969 | IN UINT64 Value\r | |
970 | )\r | |
971 | {\r | |
972 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r | |
973 | }\r | |
974 | \r | |
2ab6330e | 975 | /**\r |
976 | Sets a value of a specified size for a given PCD token.\r | |
977 | \r | |
d1102dba LG |
978 | When the PCD service sets a value, it will check to ensure that the\r |
979 | size of the value being set is compatible with the Token's existing definition.\r | |
2ab6330e | 980 | If it is not, an error will be returned.\r |
981 | \r | |
982 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r | |
d1102dba LG |
983 | @param[in] ExTokenNumber The PCD token number.\r |
984 | @param[in, out] SizeOfBuffer A pointer to the length of the value being set for the PCD token.\r | |
985 | On input, if the SizeOfValue is greater than the maximum size supported\r | |
986 | for this TokenNumber then the output value of SizeOfValue will reflect\r | |
2ab6330e | 987 | the maximum size supported for this TokenNumber.\r |
988 | @param[in] Buffer The buffer to set for the PCD token.\r | |
989 | \r | |
990 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
d1102dba LG |
991 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r |
992 | being set was incompatible with a call to this function.\r | |
2ab6330e | 993 | Use GetSize() to retrieve the size of the target data.\r |
994 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
d1102dba | 995 | \r |
2ab6330e | 996 | **/\r |
80408db0 | 997 | EFI_STATUS\r |
998 | EFIAPI\r | |
999 | DxePcdSetPtrEx (\r | |
1000 | IN CONST EFI_GUID *Guid,\r | |
1001 | IN UINTN ExTokenNumber,\r | |
1002 | IN OUT UINTN *SizeOfBuffer,\r | |
1003 | IN VOID *Buffer\r | |
1004 | )\r | |
1005 | {\r | |
1006 | return ExSetWorker(ExTokenNumber, Guid, Buffer, SizeOfBuffer, TRUE);\r | |
1007 | }\r | |
1008 | \r | |
2ab6330e | 1009 | /**\r |
1010 | Sets an Boolean value for a given PCD token.\r | |
80408db0 | 1011 | \r |
d1102dba LG |
1012 | When the PCD service sets a value, it will check to ensure that the\r |
1013 | size of the value being set is compatible with the Token's existing definition.\r | |
2ab6330e | 1014 | If it is not, an error will be returned.\r |
80408db0 | 1015 | \r |
2ab6330e | 1016 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
d1102dba | 1017 | @param[in] ExTokenNumber The PCD token number.\r |
2ab6330e | 1018 | @param[in] Value The value to set for the PCD token.\r |
1019 | \r | |
1020 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
d1102dba LG |
1021 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data\r |
1022 | being set was incompatible with a call to this function.\r | |
2ab6330e | 1023 | Use GetSize() to retrieve the size of the target data.\r |
1024 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
d1102dba | 1025 | \r |
2ab6330e | 1026 | **/\r |
80408db0 | 1027 | EFI_STATUS\r |
1028 | EFIAPI\r | |
1029 | DxePcdSetBoolEx (\r | |
1030 | IN CONST EFI_GUID *Guid,\r | |
1031 | IN UINTN ExTokenNumber,\r | |
1032 | IN BOOLEAN Value\r | |
1033 | )\r | |
1034 | {\r | |
1035 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r | |
1036 | }\r | |
1037 | \r | |
2ab6330e | 1038 | /**\r |
1039 | Specifies a function to be called anytime the value of a designated token is changed.\r | |
80408db0 | 1040 | \r |
2ab6330e | 1041 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
d1102dba LG |
1042 | @param[in] TokenNumber The PCD token number.\r |
1043 | @param[in] CallBackFunction The function prototype called when the value associated with the CallBackToken is set.\r | |
80408db0 | 1044 | \r |
d1102dba | 1045 | @retval EFI_SUCCESS The PCD service has successfully established a call event\r |
2ab6330e | 1046 | for the CallBackToken requested.\r |
1047 | @retval EFI_NOT_FOUND The PCD service could not find the referenced token number.\r | |
80408db0 | 1048 | \r |
2ab6330e | 1049 | **/\r |
80408db0 | 1050 | EFI_STATUS\r |
1051 | EFIAPI\r | |
1052 | DxeRegisterCallBackOnSet (\r | |
1053 | IN CONST EFI_GUID *Guid, OPTIONAL\r | |
1054 | IN UINTN TokenNumber,\r | |
1055 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r | |
1056 | )\r | |
1057 | {\r | |
1058 | EFI_STATUS Status;\r | |
d1102dba | 1059 | \r |
e4a3922f | 1060 | if (CallBackFunction == NULL) {\r |
1061 | return EFI_INVALID_PARAMETER;\r | |
1062 | }\r | |
80408db0 | 1063 | //\r |
1064 | // Aquire lock to prevent reentrance from TPL_CALLBACK level\r | |
1065 | //\r | |
1066 | EfiAcquireLock (&mPcdDatabaseLock);\r | |
1067 | \r | |
1068 | Status = DxeRegisterCallBackWorker (TokenNumber, Guid, CallBackFunction);\r | |
1069 | \r | |
1070 | EfiReleaseLock (&mPcdDatabaseLock);\r | |
d1102dba | 1071 | \r |
80408db0 | 1072 | return Status;\r |
1073 | }\r | |
1074 | \r | |
2ab6330e | 1075 | /**\r |
1076 | Cancels a previously set callback function for a particular PCD token number.\r | |
80408db0 | 1077 | \r |
2ab6330e | 1078 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
d1102dba LG |
1079 | @param[in] TokenNumber The PCD token number.\r |
1080 | @param[in] CallBackFunction The function prototype called when the value associated with the CallBackToken is set.\r | |
80408db0 | 1081 | \r |
d1102dba | 1082 | @retval EFI_SUCCESS The PCD service has successfully established a call event\r |
2ab6330e | 1083 | for the CallBackToken requested.\r |
1084 | @retval EFI_NOT_FOUND The PCD service could not find the referenced token number.\r | |
1085 | \r | |
1086 | **/\r | |
80408db0 | 1087 | EFI_STATUS\r |
1088 | EFIAPI\r | |
1089 | DxeUnRegisterCallBackOnSet (\r | |
1090 | IN CONST EFI_GUID *Guid, OPTIONAL\r | |
1091 | IN UINTN TokenNumber,\r | |
1092 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r | |
1093 | )\r | |
1094 | {\r | |
1095 | EFI_STATUS Status;\r | |
d1102dba | 1096 | \r |
e4a3922f | 1097 | if (CallBackFunction == NULL) {\r |
1098 | return EFI_INVALID_PARAMETER;\r | |
1099 | }\r | |
80408db0 | 1100 | \r |
1101 | //\r | |
1102 | // Aquire lock to prevent reentrance from TPL_CALLBACK level\r | |
1103 | //\r | |
1104 | EfiAcquireLock (&mPcdDatabaseLock);\r | |
d1102dba | 1105 | \r |
80408db0 | 1106 | Status = DxeUnRegisterCallBackWorker (TokenNumber, Guid, CallBackFunction);\r |
1107 | \r | |
1108 | EfiReleaseLock (&mPcdDatabaseLock);\r | |
d1102dba | 1109 | \r |
80408db0 | 1110 | return Status;\r |
1111 | }\r | |
1112 | \r | |
2ab6330e | 1113 | /**\r |
d1102dba LG |
1114 | Retrieves the next valid token number in a given namespace.\r |
1115 | \r | |
1116 | This is useful since the PCD infrastructure contains a sparse list of token numbers,\r | |
1117 | and one cannot a priori know what token numbers are valid in the database.\r | |
1118 | \r | |
1119 | If TokenNumber is 0 and Guid is not NULL, then the first token from the token space specified by Guid is returned.\r | |
1120 | If TokenNumber is not 0 and Guid is not NULL, then the next token in the token space specified by Guid is returned.\r | |
1121 | If TokenNumber is 0 and Guid is NULL, then the first token in the default token space is returned.\r | |
1122 | If TokenNumber is not 0 and Guid is NULL, then the next token in the default token space is returned.\r | |
1123 | The token numbers in the default token space may not be related to token numbers in token spaces that are named by Guid.\r | |
1124 | If the next token number can be retrieved, then it is returned in TokenNumber, and EFI_SUCCESS is returned.\r | |
1125 | If TokenNumber represents the last token number in the token space specified by Guid, then EFI_NOT_FOUND is returned.\r | |
90e06556 | 1126 | If TokenNumber is not present in the token space specified by Guid, then EFI_NOT_FOUND is returned.\r |
1127 | \r | |
1128 | \r | |
d1102dba LG |
1129 | @param[in] Guid The 128-bit unique value that designates the namespace from which to retrieve the next token.\r |
1130 | This is an optional parameter that may be NULL. If this parameter is NULL, then a request is\r | |
90e06556 | 1131 | being made to retrieve tokens from the default token space.\r |
d1102dba LG |
1132 | @param[in, out] TokenNumber\r |
1133 | A pointer to the PCD token number to use to find the subsequent token number.\r | |
90e06556 | 1134 | \r |
419db80b BF |
1135 | @retval EFI_SUCCESS The PCD service has retrieved the next valid token number.\r |
1136 | @retval EFI_NOT_FOUND The PCD service could not find data from the requested token number.\r | |
2ab6330e | 1137 | \r |
1138 | **/\r | |
80408db0 | 1139 | EFI_STATUS\r |
1140 | EFIAPI\r | |
1141 | DxePcdGetNextToken (\r | |
1142 | IN CONST EFI_GUID *Guid, OPTIONAL\r | |
1143 | IN OUT UINTN *TokenNumber\r | |
1144 | )\r | |
1145 | {\r | |
1146 | EFI_STATUS Status;\r | |
1147 | BOOLEAN PeiExMapTableEmpty;\r | |
1148 | BOOLEAN DxeExMapTableEmpty;\r | |
1149 | \r | |
80408db0 | 1150 | Status = EFI_NOT_FOUND;\r |
419db80b BF |
1151 | PeiExMapTableEmpty = mPeiExMapTableEmpty;\r |
1152 | DxeExMapTableEmpty = mDxeExMapTableEmpty;\r | |
80408db0 | 1153 | \r |
1154 | //\r | |
1155 | // Scan the local token space\r | |
1156 | //\r | |
1157 | if (Guid == NULL) {\r | |
1158 | // EBC compiler is very choosy. It may report warning about comparison\r | |
d1102dba | 1159 | // between UINTN and 0 . So we add 1 in each size of the\r |
80408db0 | 1160 | // comparison.\r |
419db80b BF |
1161 | if (((*TokenNumber + 1 > mPeiNexTokenCount + 1) && (*TokenNumber + 1 <= mPeiLocalTokenCount + 1)) ||\r |
1162 | ((*TokenNumber + 1 > (mPeiLocalTokenCount + mDxeNexTokenCount + 1)))) {\r | |
1163 | return EFI_NOT_FOUND;\r | |
80408db0 | 1164 | }\r |
d1102dba | 1165 | \r |
80408db0 | 1166 | (*TokenNumber)++;\r |
419db80b BF |
1167 | if ((*TokenNumber + 1 > mPeiNexTokenCount + 1) &&\r |
1168 | (*TokenNumber + 1 <= mPeiLocalTokenCount + 1)) {\r | |
80408db0 | 1169 | //\r |
d1102dba | 1170 | // The first Non-Ex type Token Number for DXE PCD\r |
419db80b | 1171 | // database is mPeiLocalTokenCount + 1\r |
80408db0 | 1172 | //\r |
419db80b BF |
1173 | if (mDxeNexTokenCount > 0) {\r |
1174 | *TokenNumber = mPeiLocalTokenCount + 1;\r | |
1175 | } else {\r | |
1176 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r | |
1177 | return EFI_NOT_FOUND;\r | |
1178 | }\r | |
1179 | } else if (*TokenNumber + 1 > mDxeNexTokenCount + mPeiLocalTokenCount + 1) {\r | |
80408db0 | 1180 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r |
419db80b | 1181 | return EFI_NOT_FOUND;\r |
80408db0 | 1182 | }\r |
1183 | return EFI_SUCCESS;\r | |
1184 | }\r | |
1185 | \r | |
1186 | if (PeiExMapTableEmpty && DxeExMapTableEmpty) {\r | |
80408db0 | 1187 | return EFI_NOT_FOUND;\r |
1188 | }\r | |
1189 | \r | |
1190 | if (!PeiExMapTableEmpty) {\r | |
1191 | Status = ExGetNextTokeNumber (\r | |
1192 | Guid,\r | |
1193 | TokenNumber,\r | |
419db80b BF |
1194 | (EFI_GUID *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->GuidTableOffset),\r |
1195 | mPeiGuidTableSize,\r | |
1196 | (DYNAMICEX_MAPPING *)((UINT8 *) mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->ExMapTableOffset),\r | |
1197 | mPeiExMapppingTableSize\r | |
80408db0 | 1198 | );\r |
1199 | }\r | |
1200 | \r | |
1201 | if (Status == EFI_SUCCESS) {\r | |
1202 | return Status;\r | |
1203 | }\r | |
1204 | \r | |
1205 | if (!DxeExMapTableEmpty) {\r | |
1206 | Status = ExGetNextTokeNumber (\r | |
1207 | Guid,\r | |
1208 | TokenNumber,\r | |
419db80b BF |
1209 | (EFI_GUID *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->GuidTableOffset),\r |
1210 | mDxeGuidTableSize,\r | |
1211 | (DYNAMICEX_MAPPING *)((UINT8 *) mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->ExMapTableOffset),\r | |
1212 | mDxeExMapppingTableSize\r | |
80408db0 | 1213 | );\r |
1214 | }\r | |
1215 | \r | |
1216 | return Status;\r | |
1217 | }\r | |
1218 | \r | |
2ab6330e | 1219 | /**\r |
1220 | Get all token space guid table which is different with given token space guid.\r | |
1221 | \r | |
419db80b | 1222 | @param ExMapTableSize The size of ExMapTable in item\r |
2ab6330e | 1223 | @param ExMapTable Token space guid table that want to be scaned.\r |
1224 | @param GuidTable Guid table\r | |
1225 | \r | |
1226 | @return all token space guid table which is different with given token space guid.\r | |
1227 | \r | |
1228 | **/\r | |
80408db0 | 1229 | EFI_GUID **\r |
1230 | GetDistinctTokenSpace (\r | |
1231 | IN OUT UINTN *ExMapTableSize,\r | |
1232 | IN DYNAMICEX_MAPPING *ExMapTable,\r | |
1233 | IN EFI_GUID *GuidTable\r | |
1234 | )\r | |
1235 | {\r | |
1236 | EFI_GUID **DistinctTokenSpace;\r | |
1237 | UINTN OldGuidIndex;\r | |
1238 | UINTN TsIdx;\r | |
419db80b | 1239 | UINTN TempTsIdx;\r |
80408db0 | 1240 | UINTN Idx;\r |
419db80b | 1241 | BOOLEAN Match;\r |
80408db0 | 1242 | \r |
1243 | DistinctTokenSpace = AllocateZeroPool (*ExMapTableSize * sizeof (EFI_GUID *));\r | |
1244 | ASSERT (DistinctTokenSpace != NULL);\r | |
1245 | \r | |
1246 | TsIdx = 0;\r | |
1247 | OldGuidIndex = ExMapTable[0].ExGuidIndex;\r | |
1248 | DistinctTokenSpace[TsIdx] = &GuidTable[OldGuidIndex];\r | |
1249 | for (Idx = 1; Idx < *ExMapTableSize; Idx++) {\r | |
419db80b BF |
1250 | Match = FALSE;\r |
1251 | OldGuidIndex = ExMapTable[Idx].ExGuidIndex;\r | |
1252 | for (TempTsIdx = 0; TempTsIdx <= TsIdx; TempTsIdx++) {\r | |
1253 | if (&GuidTable[OldGuidIndex] == DistinctTokenSpace[TempTsIdx]) {\r | |
1254 | //\r | |
1255 | // Have recorded this GUID.\r | |
1256 | //\r | |
1257 | Match = TRUE;\r | |
1258 | break;\r | |
1259 | }\r | |
1260 | }\r | |
1261 | if (!Match) {\r | |
80408db0 | 1262 | DistinctTokenSpace[++TsIdx] = &GuidTable[OldGuidIndex];\r |
1263 | }\r | |
1264 | }\r | |
1265 | \r | |
1266 | //\r | |
1267 | // The total number of Distinct Token Space\r | |
1268 | // is TsIdx + 1 because we use TsIdx as a index\r | |
1269 | // to the DistinctTokenSpace[]\r | |
1270 | //\r | |
1271 | *ExMapTableSize = TsIdx + 1;\r | |
1272 | return DistinctTokenSpace;\r | |
d1102dba | 1273 | \r |
80408db0 | 1274 | }\r |
d1102dba | 1275 | \r |
2ab6330e | 1276 | /**\r |
419db80b BF |
1277 | Retrieves the next valid PCD token namespace for a given namespace.\r |
1278 | \r | |
1279 | Gets the next valid token namespace for a given namespace. This is useful to traverse the valid\r | |
1280 | token namespaces on a platform.\r | |
1281 | \r | |
1282 | @param[in, out] Guid An indirect pointer to EFI_GUID. On input it designates a known token\r | |
1283 | namespace from which the search will start. On output, it designates the next valid\r | |
1284 | token namespace on the platform. If *Guid is NULL, then the GUID of the first token\r | |
1285 | space of the current platform is returned. If the search cannot locate the next valid\r | |
1286 | token namespace, an error is returned and the value of *Guid is undefined.\r | |
d1102dba | 1287 | \r |
419db80b BF |
1288 | @retval EFI_SUCCESS The PCD service retrieved the value requested.\r |
1289 | @retval EFI_NOT_FOUND The PCD service could not find the next valid token namespace.\r | |
1290 | \r | |
2ab6330e | 1291 | **/\r |
80408db0 | 1292 | EFI_STATUS\r |
1293 | EFIAPI\r | |
1294 | DxePcdGetNextTokenSpace (\r | |
1295 | IN OUT CONST EFI_GUID **Guid\r | |
1296 | )\r | |
1297 | {\r | |
1298 | UINTN Idx;\r | |
1299 | UINTN Idx2;\r | |
1300 | UINTN Idx3;\r | |
1301 | UINTN PeiTokenSpaceTableSize;\r | |
1302 | UINTN DxeTokenSpaceTableSize;\r | |
1303 | EFI_GUID **PeiTokenSpaceTable;\r | |
1304 | EFI_GUID **DxeTokenSpaceTable;\r | |
1305 | BOOLEAN Match;\r | |
1306 | BOOLEAN PeiExMapTableEmpty;\r | |
1307 | BOOLEAN DxeExMapTableEmpty;\r | |
1308 | \r | |
80408db0 | 1309 | ASSERT (Guid != NULL);\r |
d1102dba | 1310 | \r |
419db80b BF |
1311 | PeiExMapTableEmpty = mPeiExMapTableEmpty;\r |
1312 | DxeExMapTableEmpty = mDxeExMapTableEmpty;\r | |
80408db0 | 1313 | \r |
1314 | if (PeiExMapTableEmpty && DxeExMapTableEmpty) {\r | |
419db80b | 1315 | return EFI_NOT_FOUND;\r |
80408db0 | 1316 | }\r |
d1102dba | 1317 | \r |
80408db0 | 1318 | if (TmpTokenSpaceBuffer[0] == NULL) {\r |
1319 | PeiTokenSpaceTableSize = 0;\r | |
1320 | \r | |
1321 | if (!PeiExMapTableEmpty) {\r | |
419db80b | 1322 | PeiTokenSpaceTableSize = mPeiExMapppingTableSize / sizeof(DYNAMICEX_MAPPING);\r |
80408db0 | 1323 | PeiTokenSpaceTable = GetDistinctTokenSpace (&PeiTokenSpaceTableSize,\r |
419db80b BF |
1324 | (DYNAMICEX_MAPPING *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->ExMapTableOffset),\r |
1325 | (EFI_GUID *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->GuidTableOffset)\r | |
80408db0 | 1326 | );\r |
1327 | CopyMem (TmpTokenSpaceBuffer, PeiTokenSpaceTable, sizeof (EFI_GUID*) * PeiTokenSpaceTableSize);\r | |
da0df6ca | 1328 | TmpTokenSpaceBufferCount = PeiTokenSpaceTableSize;\r |
419db80b | 1329 | FreePool (PeiTokenSpaceTable);\r |
80408db0 | 1330 | }\r |
1331 | \r | |
1332 | if (!DxeExMapTableEmpty) {\r | |
419db80b | 1333 | DxeTokenSpaceTableSize = mDxeExMapppingTableSize / sizeof(DYNAMICEX_MAPPING);\r |
80408db0 | 1334 | DxeTokenSpaceTable = GetDistinctTokenSpace (&DxeTokenSpaceTableSize,\r |
419db80b BF |
1335 | (DYNAMICEX_MAPPING *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->ExMapTableOffset),\r |
1336 | (EFI_GUID *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->GuidTableOffset)\r | |
80408db0 | 1337 | );\r |
1338 | \r | |
1339 | //\r | |
1340 | // Make sure EFI_GUID in DxeTokenSpaceTable does not exist in PeiTokenSpaceTable\r | |
1341 | //\r | |
1342 | for (Idx2 = 0, Idx3 = PeiTokenSpaceTableSize; Idx2 < DxeTokenSpaceTableSize; Idx2++) {\r | |
1343 | Match = FALSE;\r | |
1344 | for (Idx = 0; Idx < PeiTokenSpaceTableSize; Idx++) {\r | |
1345 | if (CompareGuid (TmpTokenSpaceBuffer[Idx], DxeTokenSpaceTable[Idx2])) {\r | |
1346 | Match = TRUE;\r | |
1347 | break;\r | |
1348 | }\r | |
1349 | }\r | |
1350 | if (!Match) {\r | |
1351 | TmpTokenSpaceBuffer[Idx3++] = DxeTokenSpaceTable[Idx2];\r | |
1352 | }\r | |
1353 | }\r | |
419db80b BF |
1354 | \r |
1355 | TmpTokenSpaceBufferCount = Idx3;\r | |
1356 | FreePool (DxeTokenSpaceTable);\r | |
80408db0 | 1357 | }\r |
1358 | }\r | |
1359 | \r | |
1360 | if (*Guid == NULL) {\r | |
1361 | *Guid = TmpTokenSpaceBuffer[0];\r | |
1362 | return EFI_SUCCESS;\r | |
1363 | }\r | |
d1102dba | 1364 | \r |
419db80b BF |
1365 | for (Idx = 0; Idx < TmpTokenSpaceBufferCount; Idx++) {\r |
1366 | if (CompareGuid (*Guid, TmpTokenSpaceBuffer[Idx])) {\r | |
1367 | if (Idx == TmpTokenSpaceBufferCount - 1) {\r | |
1368 | //\r | |
1369 | // It has been the last token namespace.\r | |
1370 | //\r | |
1371 | *Guid = NULL;\r | |
1372 | return EFI_NOT_FOUND;\r | |
1373 | } else {\r | |
1374 | Idx++;\r | |
1375 | *Guid = TmpTokenSpaceBuffer[Idx];\r | |
1376 | return EFI_SUCCESS;\r | |
1377 | }\r | |
80408db0 | 1378 | }\r |
1379 | }\r | |
1380 | \r | |
1381 | return EFI_NOT_FOUND;\r | |
80408db0 | 1382 | }\r |
1383 | \r | |
1384 | \r |