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fc547e08 | 1 | /** @file \r |
5944a83b | 2 | All Pcd Ppi services are implemented here.\r |
fc547e08 | 3 | \r |
419db80b | 4 | Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>\r |
e5eed7d3 | 5 | This program and the accompanying materials \r |
80408db0 | 6 | are licensed and made available under the terms and conditions of the BSD License \r |
7 | which accompanies this distribution. The full text of the license may be found at \r | |
8 | http://opensource.org/licenses/bsd-license.php \r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
12 | \r | |
80408db0 | 13 | **/\r |
14 | \r | |
80408db0 | 15 | #include "Service.h"\r |
16 | \r | |
17e7fa8f | 17 | ///\r |
18 | /// Instance of PCD_PPI protocol is EDKII native implementation.\r | |
19 | /// This protocol instance support dynamic and dynamicEx type PCDs.\r | |
20 | ///\r | |
80408db0 | 21 | PCD_PPI mPcdPpiInstance = {\r |
22 | PeiPcdSetSku,\r | |
23 | \r | |
24 | PeiPcdGet8,\r | |
25 | PeiPcdGet16, \r | |
26 | PeiPcdGet32, \r | |
27 | PeiPcdGet64, \r | |
28 | PeiPcdGetPtr, \r | |
29 | PeiPcdGetBool, \r | |
30 | PeiPcdGetSize,\r | |
31 | \r | |
32 | PeiPcdGet8Ex,\r | |
33 | PeiPcdGet16Ex, \r | |
34 | PeiPcdGet32Ex, \r | |
35 | PeiPcdGet64Ex, \r | |
36 | PeiPcdGetPtrEx, \r | |
37 | PeiPcdGetBoolEx, \r | |
38 | PeiPcdGetSizeEx,\r | |
39 | \r | |
40 | PeiPcdSet8,\r | |
41 | PeiPcdSet16, \r | |
42 | PeiPcdSet32, \r | |
43 | PeiPcdSet64, \r | |
44 | PeiPcdSetPtr, \r | |
45 | PeiPcdSetBool, \r | |
46 | \r | |
47 | PeiPcdSet8Ex,\r | |
48 | PeiPcdSet16Ex, \r | |
49 | PeiPcdSet32Ex, \r | |
50 | PeiPcdSet64Ex, \r | |
51 | PeiPcdSetPtrEx, \r | |
52 | PeiPcdSetBoolEx,\r | |
53 | \r | |
54 | PeiRegisterCallBackOnSet,\r | |
55 | PcdUnRegisterCallBackOnSet,\r | |
56 | PeiPcdGetNextToken,\r | |
57 | PeiPcdGetNextTokenSpace\r | |
58 | };\r | |
59 | \r | |
17e7fa8f | 60 | ///\r |
61 | /// Instance of EFI_PEI_PCD_PPI which is defined in PI 1.2 Vol 3.\r | |
62 | /// This PPI instance only support dyanmicEx type PCD.\r | |
63 | ///\r | |
c896d682 | 64 | EFI_PEI_PCD_PPI mEfiPcdPpiInstance = {\r |
65 | PeiPcdSetSku,\r | |
66 | \r | |
67 | PeiPcdGet8Ex,\r | |
68 | PeiPcdGet16Ex,\r | |
69 | PeiPcdGet32Ex,\r | |
70 | PeiPcdGet64Ex,\r | |
71 | PeiPcdGetPtrEx,\r | |
72 | PeiPcdGetBoolEx,\r | |
73 | PeiPcdGetSizeEx,\r | |
74 | PeiPcdSet8Ex,\r | |
75 | PeiPcdSet16Ex,\r | |
76 | PeiPcdSet32Ex,\r | |
77 | PeiPcdSet64Ex,\r | |
78 | PeiPcdSetPtrEx,\r | |
79 | PeiPcdSetBoolEx,\r | |
80 | (EFI_PEI_PCD_PPI_CALLBACK_ON_SET) PeiRegisterCallBackOnSet,\r | |
81 | (EFI_PEI_PCD_PPI_CANCEL_CALLBACK) PcdUnRegisterCallBackOnSet,\r | |
82 | PeiPcdGetNextToken,\r | |
83 | PeiPcdGetNextTokenSpace\r | |
84 | };\r | |
85 | \r | |
96d6d004 SZ |
86 | ///\r |
87 | /// Instance of GET_PCD_INFO_PPI protocol is EDKII native implementation.\r | |
88 | /// This protocol instance support dynamic and dynamicEx type PCDs.\r | |
89 | ///\r | |
90 | GET_PCD_INFO_PPI mGetPcdInfoInstance = {\r | |
91 | PeiGetPcdInfoGetInfo,\r | |
92 | PeiGetPcdInfoGetInfoEx,\r | |
93 | PeiGetPcdInfoGetSku\r | |
94 | };\r | |
95 | \r | |
96 | ///\r | |
97 | /// Instance of EFI_GET_PCD_INFO_PPI 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_PPI mEfiGetPcdInfoInstance = {\r | |
101 | PeiGetPcdInfoGetInfoEx,\r | |
102 | PeiGetPcdInfoGetSku\r | |
103 | };\r | |
104 | \r | |
17e7fa8f | 105 | EFI_PEI_PPI_DESCRIPTOR mPpiList[] = {\r |
106 | {\r | |
107 | EFI_PEI_PPI_DESCRIPTOR_PPI,\r | |
108 | &gPcdPpiGuid,\r | |
109 | &mPcdPpiInstance\r | |
110 | },\r | |
111 | {\r | |
112 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r | |
113 | &gEfiPeiPcdPpiGuid,\r | |
114 | &mEfiPcdPpiInstance\r | |
115 | }\r | |
c896d682 | 116 | };\r |
117 | \r | |
96d6d004 SZ |
118 | EFI_PEI_PPI_DESCRIPTOR mPpiList2[] = {\r |
119 | {\r | |
120 | EFI_PEI_PPI_DESCRIPTOR_PPI,\r | |
121 | &gGetPcdInfoPpiGuid,\r | |
122 | &mGetPcdInfoInstance\r | |
123 | },\r | |
124 | {\r | |
125 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r | |
126 | &gEfiGetPcdInfoPpiGuid,\r | |
127 | &mEfiGetPcdInfoInstance\r | |
128 | }\r | |
129 | };\r | |
130 | \r | |
fc547e08 | 131 | /**\r |
132 | Main entry for PCD PEIM driver.\r | |
133 | \r | |
8a541f0a | 134 | This routine initialize the PCD database for PEI phase and install PCD_PPI/EFI_PEI_PCD_PPI.\r |
80408db0 | 135 | \r |
8bd22b8a LG |
136 | @param FileHandle Handle of the file being invoked.\r |
137 | @param PeiServices Describes the list of possible PEI Services.\r | |
80408db0 | 138 | \r |
fc547e08 | 139 | @return Status of install PCD_PPI\r |
140 | \r | |
141 | **/\r | |
80408db0 | 142 | EFI_STATUS\r |
143 | EFIAPI\r | |
144 | PcdPeimInit (\r | |
8bd22b8a LG |
145 | IN EFI_PEI_FILE_HANDLE FileHandle,\r |
146 | IN CONST EFI_PEI_SERVICES **PeiServices\r | |
80408db0 | 147 | )\r |
148 | {\r | |
96d6d004 SZ |
149 | EFI_STATUS Status;\r |
150 | PEI_PCD_DATABASE *DataBase;\r | |
151 | \r | |
152 | DataBase = BuildPcdDatabase (FileHandle);\r | |
80408db0 | 153 | \r |
8a541f0a | 154 | //\r |
17e7fa8f | 155 | // Install PCD_PPI and EFI_PEI_PCD_PPI.\r |
8a541f0a | 156 | //\r |
17e7fa8f | 157 | Status = PeiServicesInstallPpi (&mPpiList[0]);\r |
8a541f0a | 158 | ASSERT_EFI_ERROR (Status);\r |
96d6d004 SZ |
159 | \r |
160 | //\r | |
61d8989f | 161 | // Only install PcdInfo PPI when PCD info content is present. \r |
96d6d004 | 162 | //\r |
61d8989f | 163 | if (DataBase->PcdNameTableOffset != 0) {\r |
96d6d004 SZ |
164 | //\r |
165 | // Install GET_PCD_INFO_PPI and EFI_GET_PCD_INFO_PPI.\r | |
166 | //\r | |
167 | Status = PeiServicesInstallPpi (&mPpiList2[0]);\r | |
168 | ASSERT_EFI_ERROR (Status);\r | |
169 | }\r | |
170 | \r | |
8a541f0a | 171 | return Status;\r |
80408db0 | 172 | }\r |
173 | \r | |
96d6d004 SZ |
174 | /**\r |
175 | Retrieve additional information associated with a PCD token in the default token space.\r | |
176 | \r | |
177 | This includes information such as the type of value the TokenNumber is associated with as well as possible\r | |
178 | human readable name that is associated with the token.\r | |
179 | \r | |
180 | @param[in] TokenNumber The PCD token number.\r | |
181 | @param[out] PcdInfo The returned information associated with the requested TokenNumber.\r | |
182 | The caller is responsible for freeing the buffer that is allocated by callee for PcdInfo->PcdName.\r | |
183 | \r | |
184 | @retval EFI_SUCCESS The PCD information was returned successfully.\r | |
185 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
186 | **/\r | |
187 | EFI_STATUS\r | |
188 | EFIAPI\r | |
189 | PeiGetPcdInfoGetInfo (\r | |
190 | IN UINTN TokenNumber,\r | |
191 | OUT EFI_PCD_INFO *PcdInfo\r | |
192 | )\r | |
193 | {\r | |
194 | return PeiGetPcdInfo (NULL, TokenNumber, PcdInfo);\r | |
195 | }\r | |
196 | \r | |
197 | /**\r | |
198 | Retrieve additional information associated with a PCD token.\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] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r | |
204 | @param[in] TokenNumber The PCD token number.\r | |
205 | @param[out] PcdInfo The returned information associated with the requested TokenNumber.\r | |
206 | The caller is responsible for freeing the buffer that is allocated by callee for PcdInfo->PcdName.\r | |
207 | \r | |
208 | @retval EFI_SUCCESS The PCD information was returned successfully.\r | |
209 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
210 | **/\r | |
211 | EFI_STATUS\r | |
212 | EFIAPI\r | |
213 | PeiGetPcdInfoGetInfoEx (\r | |
214 | IN CONST EFI_GUID *Guid,\r | |
215 | IN UINTN TokenNumber,\r | |
216 | OUT EFI_PCD_INFO *PcdInfo\r | |
217 | )\r | |
218 | {\r | |
219 | return PeiGetPcdInfo (Guid, TokenNumber, PcdInfo);\r | |
220 | }\r | |
221 | \r | |
222 | /**\r | |
223 | Retrieve the currently set SKU Id.\r | |
224 | \r | |
225 | @return The currently set SKU Id. If the platform has not set at a SKU Id, then the\r | |
226 | default SKU Id value of 0 is returned. If the platform has set a SKU Id, then the currently set SKU\r | |
227 | Id is returned.\r | |
228 | **/\r | |
229 | UINTN\r | |
230 | EFIAPI\r | |
231 | PeiGetPcdInfoGetSku (\r | |
232 | VOID\r | |
233 | )\r | |
234 | {\r | |
96d6d004 SZ |
235 | return GetPcdDatabase()->SystemSkuId;\r |
236 | }\r | |
237 | \r | |
fc547e08 | 238 | /**\r |
239 | Sets the SKU value for subsequent calls to set or get PCD token values.\r | |
240 | \r | |
241 | SetSku() sets the SKU Id to be used for subsequent calls to set or get PCD values. \r | |
242 | SetSku() is normally called only once by the system.\r | |
243 | \r | |
244 | For each item (token), the database can hold a single value that applies to all SKUs, \r | |
245 | or multiple values, where each value is associated with a specific SKU Id. Items with multiple, \r | |
246 | SKU-specific values are called SKU enabled. \r | |
247 | \r | |
248 | The SKU Id of zero is reserved as a default. The valid SkuId range is 1 to 255. \r | |
249 | For tokens that are not SKU enabled, the system ignores any set SKU Id and works with the \r | |
250 | single value for that token. For SKU-enabled tokens, the system will use the SKU Id set by the \r | |
251 | last call to SetSku(). If no SKU Id is set or the currently set SKU Id isn't valid for the specified token, \r | |
252 | the system uses the default SKU Id. If the system attempts to use the default SKU Id and no value has been \r | |
253 | set for that Id, the results are unpredictable.\r | |
254 | \r | |
255 | @param[in] SkuId The SKU value that will be used when the PCD service will retrieve and \r | |
256 | set values associated with a PCD token.\r | |
257 | \r | |
fc547e08 | 258 | **/\r |
80408db0 | 259 | VOID\r |
260 | EFIAPI\r | |
261 | PeiPcdSetSku (\r | |
262 | IN UINTN SkuId\r | |
263 | )\r | |
264 | {\r | |
265 | \r | |
419db80b | 266 | GetPcdDatabase()->SystemSkuId = (SKU_ID) SkuId;\r |
80408db0 | 267 | \r |
268 | return;\r | |
269 | }\r | |
270 | \r | |
fc547e08 | 271 | /**\r |
272 | Retrieves an 8-bit value for a given PCD token.\r | |
80408db0 | 273 | \r |
fc547e08 | 274 | Retrieves the current byte-sized value for a PCD token number. \r |
275 | If the TokenNumber is invalid, the results are unpredictable.\r | |
276 | \r | |
277 | @param[in] TokenNumber The PCD token number. \r | |
80408db0 | 278 | \r |
fc547e08 | 279 | @return The UINT8 value.\r |
280 | \r | |
281 | **/\r | |
80408db0 | 282 | UINT8\r |
283 | EFIAPI\r | |
284 | PeiPcdGet8 (\r | |
285 | IN UINTN TokenNumber\r | |
286 | )\r | |
287 | {\r | |
288 | return *((UINT8 *) GetWorker (TokenNumber, sizeof (UINT8)));\r | |
289 | }\r | |
290 | \r | |
fc547e08 | 291 | /**\r |
292 | Retrieves an 16-bit value for a given PCD token.\r | |
80408db0 | 293 | \r |
fc547e08 | 294 | Retrieves the current 16-bits value for a PCD token number. \r |
295 | If the TokenNumber is invalid, the results are unpredictable.\r | |
296 | \r | |
297 | @param[in] TokenNumber The PCD token number. \r | |
80408db0 | 298 | \r |
fc547e08 | 299 | @return The UINT16 value.\r |
300 | \r | |
301 | **/\r | |
80408db0 | 302 | UINT16\r |
303 | EFIAPI\r | |
304 | PeiPcdGet16 (\r | |
305 | IN UINTN TokenNumber\r | |
306 | )\r | |
307 | {\r | |
308 | return ReadUnaligned16 (GetWorker (TokenNumber, sizeof (UINT16)));\r | |
309 | }\r | |
310 | \r | |
fc547e08 | 311 | /**\r |
312 | Retrieves an 32-bit value for a given PCD token.\r | |
80408db0 | 313 | \r |
fc547e08 | 314 | Retrieves the current 32-bits value for a PCD token number. \r |
315 | If the TokenNumber is invalid, the results are unpredictable.\r | |
316 | \r | |
317 | @param[in] TokenNumber The PCD token number. \r | |
80408db0 | 318 | \r |
fc547e08 | 319 | @return The UINT32 value.\r |
320 | \r | |
321 | **/\r | |
80408db0 | 322 | UINT32\r |
323 | EFIAPI\r | |
324 | PeiPcdGet32 (\r | |
325 | IN UINTN TokenNumber\r | |
326 | )\r | |
327 | {\r | |
328 | return ReadUnaligned32 (GetWorker (TokenNumber, sizeof (UINT32)));\r | |
329 | }\r | |
330 | \r | |
fc547e08 | 331 | /**\r |
332 | Retrieves an 64-bit value for a given PCD token.\r | |
80408db0 | 333 | \r |
fc547e08 | 334 | Retrieves the current 64-bits value for a PCD token number. \r |
335 | If the TokenNumber is invalid, the results are unpredictable.\r | |
336 | \r | |
337 | @param[in] TokenNumber The PCD token number. \r | |
80408db0 | 338 | \r |
fc547e08 | 339 | @return The UINT64 value.\r |
340 | \r | |
341 | **/\r | |
80408db0 | 342 | UINT64\r |
343 | EFIAPI\r | |
344 | PeiPcdGet64 (\r | |
345 | IN UINTN TokenNumber\r | |
346 | )\r | |
347 | {\r | |
348 | return ReadUnaligned64 (GetWorker (TokenNumber, sizeof (UINT64)));\r | |
349 | }\r | |
350 | \r | |
fc547e08 | 351 | /**\r |
352 | Retrieves a pointer to a value for a given PCD token.\r | |
353 | \r | |
354 | Retrieves the current pointer to the buffer for a PCD token number. \r | |
355 | Do not make any assumptions about the alignment of the pointer that \r | |
356 | is returned by this function call. If the TokenNumber is invalid, \r | |
357 | the results are unpredictable.\r | |
80408db0 | 358 | \r |
fc547e08 | 359 | @param[in] TokenNumber The PCD token number. \r |
80408db0 | 360 | \r |
3fd8027e | 361 | @return The pointer to the buffer to be retrieved.\r |
fc547e08 | 362 | \r |
363 | **/\r | |
80408db0 | 364 | VOID *\r |
365 | EFIAPI\r | |
366 | PeiPcdGetPtr (\r | |
367 | IN UINTN TokenNumber\r | |
368 | )\r | |
369 | {\r | |
370 | return GetWorker (TokenNumber, 0);\r | |
371 | }\r | |
372 | \r | |
fc547e08 | 373 | /**\r |
374 | Retrieves a Boolean value for a given PCD token.\r | |
80408db0 | 375 | \r |
fc547e08 | 376 | Retrieves the current boolean value for a PCD token number. \r |
377 | Do not make any assumptions about the alignment of the pointer that \r | |
378 | is returned by this function call. If the TokenNumber is invalid, \r | |
379 | the results are unpredictable.\r | |
80408db0 | 380 | \r |
fc547e08 | 381 | @param[in] TokenNumber The PCD token number. \r |
382 | \r | |
383 | @return The Boolean value.\r | |
384 | \r | |
385 | **/\r | |
80408db0 | 386 | BOOLEAN\r |
387 | EFIAPI\r | |
388 | PeiPcdGetBool (\r | |
389 | IN UINTN TokenNumber\r | |
390 | )\r | |
391 | {\r | |
392 | return *((BOOLEAN *) GetWorker (TokenNumber, sizeof (BOOLEAN)));\r | |
393 | }\r | |
394 | \r | |
fc547e08 | 395 | /**\r |
396 | Retrieves the size of the value for a given PCD token.\r | |
397 | \r | |
398 | Retrieves the current size of a particular PCD token. \r | |
399 | If the TokenNumber is invalid, the results are unpredictable.\r | |
80408db0 | 400 | \r |
fc547e08 | 401 | @param[in] TokenNumber The PCD token number. \r |
80408db0 | 402 | \r |
fc547e08 | 403 | @return The size of the value for the PCD token.\r |
404 | \r | |
405 | **/\r | |
80408db0 | 406 | UINTN\r |
407 | EFIAPI\r | |
408 | PeiPcdGetSize (\r | |
409 | IN UINTN TokenNumber\r | |
410 | )\r | |
411 | {\r | |
412 | PEI_PCD_DATABASE *PeiPcdDb;\r | |
413 | UINTN Size;\r | |
414 | UINTN MaxSize;\r | |
419db80b | 415 | UINT32 LocalTokenCount;\r |
80408db0 | 416 | \r |
419db80b BF |
417 | PeiPcdDb = GetPcdDatabase ();\r |
418 | LocalTokenCount = PeiPcdDb->LocalTokenCount;\r | |
80408db0 | 419 | //\r |
420 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
421 | // We have to decrement TokenNumber by 1 to make it usable\r | |
422 | // as the array index.\r | |
423 | //\r | |
424 | TokenNumber--;\r | |
425 | \r | |
426 | // EBC compiler is very choosy. It may report warning about comparison\r | |
427 | // between UINTN and 0 . So we add 1 in each size of the \r | |
428 | // comparison.\r | |
419db80b | 429 | ASSERT (TokenNumber + 1 < (LocalTokenCount + 1));\r |
80408db0 | 430 | \r |
419db80b | 431 | Size = (*((UINT32 *)((UINT8 *)PeiPcdDb + PeiPcdDb->LocalTokenNumberTableOffset) + TokenNumber) & PCD_DATUM_TYPE_ALL_SET) >> PCD_DATUM_TYPE_SHIFT;\r |
80408db0 | 432 | \r |
433 | if (Size == 0) {\r | |
434 | //\r | |
435 | // For pointer type, we need to scan the SIZE_TABLE to get the current size.\r | |
436 | //\r | |
437 | return GetPtrTypeSize (TokenNumber, &MaxSize, PeiPcdDb);\r | |
438 | } else {\r | |
439 | return Size;\r | |
440 | }\r | |
441 | \r | |
442 | }\r | |
443 | \r | |
fc547e08 | 444 | /**\r |
445 | Retrieves an 8-bit value for a given PCD token.\r | |
80408db0 | 446 | \r |
fc547e08 | 447 | Retrieves the 8-bit value of a particular PCD token. \r |
448 | If the TokenNumber is invalid or the token space\r | |
449 | specified by Guid does not exist, the results are \r | |
450 | unpredictable.\r | |
80408db0 | 451 | \r |
fc547e08 | 452 | @param[in] Guid The token space for the token number.\r |
453 | @param[in] ExTokenNumber The PCD token number. \r | |
454 | \r | |
455 | @return The size 8-bit value for the PCD token.\r | |
456 | \r | |
457 | **/\r | |
80408db0 | 458 | UINT8\r |
459 | EFIAPI\r | |
460 | PeiPcdGet8Ex (\r | |
461 | IN CONST EFI_GUID *Guid,\r | |
462 | IN UINTN ExTokenNumber\r | |
463 | )\r | |
464 | {\r | |
465 | return *((UINT8 *) ExGetWorker (Guid, ExTokenNumber, sizeof (UINT8)));\r | |
466 | }\r | |
467 | \r | |
fc547e08 | 468 | /**\r |
469 | Retrieves an 16-bit value for a given PCD token.\r | |
80408db0 | 470 | \r |
fc547e08 | 471 | Retrieves the 16-bit value of a particular PCD token. \r |
472 | If the TokenNumber is invalid or the token space\r | |
473 | specified by Guid does not exist, the results are \r | |
474 | unpredictable.\r | |
80408db0 | 475 | \r |
fc547e08 | 476 | @param[in] Guid The token space for the token number.\r |
477 | @param[in] ExTokenNumber The PCD token number. \r | |
478 | \r | |
479 | @return The size 16-bit value for the PCD token.\r | |
480 | \r | |
481 | **/\r | |
80408db0 | 482 | UINT16\r |
483 | EFIAPI\r | |
484 | PeiPcdGet16Ex (\r | |
485 | IN CONST EFI_GUID *Guid,\r | |
486 | IN UINTN ExTokenNumber\r | |
487 | )\r | |
488 | {\r | |
489 | return ReadUnaligned16 (ExGetWorker (Guid, ExTokenNumber, sizeof (UINT16)));\r | |
490 | }\r | |
491 | \r | |
fc547e08 | 492 | /**\r |
493 | Retrieves an 32-bit value for a given PCD token.\r | |
494 | \r | |
495 | Retrieves the 32-bit value of a particular PCD token. \r | |
496 | If the TokenNumber is invalid or the token space\r | |
497 | specified by Guid does not exist, the results are \r | |
498 | unpredictable.\r | |
80408db0 | 499 | \r |
fc547e08 | 500 | @param[in] Guid The token space for the token number.\r |
501 | @param[in] ExTokenNumber The PCD token number. \r | |
80408db0 | 502 | \r |
fc547e08 | 503 | @return The size 32-bit value for the PCD token.\r |
504 | \r | |
505 | **/\r | |
80408db0 | 506 | UINT32\r |
507 | EFIAPI\r | |
508 | PeiPcdGet32Ex (\r | |
509 | IN CONST EFI_GUID *Guid,\r | |
510 | IN UINTN ExTokenNumber\r | |
511 | )\r | |
512 | {\r | |
513 | return ReadUnaligned32 (ExGetWorker (Guid, ExTokenNumber, sizeof (UINT32)));\r | |
514 | }\r | |
515 | \r | |
fc547e08 | 516 | /**\r |
517 | Retrieves an 64-bit value for a given PCD token.\r | |
518 | \r | |
519 | Retrieves the 64-bit value of a particular PCD token. \r | |
520 | If the TokenNumber is invalid or the token space\r | |
521 | specified by Guid does not exist, the results are \r | |
522 | unpredictable.\r | |
80408db0 | 523 | \r |
fc547e08 | 524 | @param[in] Guid The token space for the token number.\r |
525 | @param[in] ExTokenNumber The PCD token number. \r | |
80408db0 | 526 | \r |
fc547e08 | 527 | @return The size 64-bit value for the PCD token.\r |
528 | \r | |
529 | **/\r | |
80408db0 | 530 | UINT64\r |
531 | EFIAPI\r | |
532 | PeiPcdGet64Ex (\r | |
533 | IN CONST EFI_GUID *Guid,\r | |
534 | IN UINTN ExTokenNumber\r | |
535 | )\r | |
536 | {\r | |
537 | return ReadUnaligned64 (ExGetWorker (Guid, ExTokenNumber, sizeof (UINT64)));\r | |
538 | }\r | |
539 | \r | |
fc547e08 | 540 | /**\r |
541 | Retrieves a pointer to a value for a given PCD token.\r | |
80408db0 | 542 | \r |
fc547e08 | 543 | Retrieves the current pointer to the buffer for a PCD token number. \r |
544 | Do not make any assumptions about the alignment of the pointer that \r | |
545 | is returned by this function call. If the TokenNumber is invalid, \r | |
546 | the results are unpredictable.\r | |
80408db0 | 547 | \r |
fc547e08 | 548 | @param[in] Guid The token space for the token number.\r |
549 | @param[in] ExTokenNumber The PCD token number. \r | |
550 | \r | |
3fd8027e | 551 | @return The pointer to the buffer to be retrieved.\r |
fc547e08 | 552 | \r |
553 | **/\r | |
80408db0 | 554 | VOID *\r |
555 | EFIAPI\r | |
556 | PeiPcdGetPtrEx (\r | |
557 | IN CONST EFI_GUID *Guid,\r | |
558 | IN UINTN ExTokenNumber\r | |
559 | )\r | |
560 | {\r | |
561 | return ExGetWorker (Guid, ExTokenNumber, 0);\r | |
562 | }\r | |
563 | \r | |
fc547e08 | 564 | /**\r |
565 | Retrieves an Boolean value for a given PCD token.\r | |
566 | \r | |
567 | Retrieves the Boolean value of a particular PCD token. \r | |
568 | If the TokenNumber is invalid or the token space\r | |
569 | specified by Guid does not exist, the results are \r | |
570 | unpredictable.\r | |
80408db0 | 571 | \r |
fc547e08 | 572 | @param[in] Guid The token space for the token number.\r |
573 | @param[in] ExTokenNumber The PCD token number. \r | |
80408db0 | 574 | \r |
fc547e08 | 575 | @return The size Boolean value for the PCD token.\r |
576 | \r | |
577 | **/\r | |
80408db0 | 578 | BOOLEAN\r |
579 | EFIAPI\r | |
580 | PeiPcdGetBoolEx (\r | |
581 | IN CONST EFI_GUID *Guid,\r | |
582 | IN UINTN ExTokenNumber\r | |
583 | )\r | |
584 | {\r | |
585 | return *((BOOLEAN *) ExGetWorker (Guid, ExTokenNumber, sizeof (BOOLEAN)));\r | |
586 | }\r | |
587 | \r | |
fc547e08 | 588 | /**\r |
589 | Retrieves the size of the value for a given PCD token.\r | |
590 | \r | |
591 | Retrieves the current size of a particular PCD token. \r | |
592 | If the TokenNumber is invalid, the results are unpredictable.\r | |
80408db0 | 593 | \r |
fc547e08 | 594 | @param[in] Guid The token space for the token number.\r |
595 | @param[in] ExTokenNumber The PCD token number. \r | |
80408db0 | 596 | \r |
fc547e08 | 597 | @return The size of the value for the PCD token.\r |
598 | \r | |
599 | **/\r | |
80408db0 | 600 | UINTN\r |
601 | EFIAPI\r | |
602 | PeiPcdGetSizeEx (\r | |
603 | IN CONST EFI_GUID *Guid,\r | |
604 | IN UINTN ExTokenNumber\r | |
605 | )\r | |
606 | {\r | |
80408db0 | 607 | return PeiPcdGetSize (GetExPcdTokenNumber (Guid, ExTokenNumber));\r |
608 | }\r | |
609 | \r | |
fc547e08 | 610 | /**\r |
611 | Sets an 8-bit value for a given PCD token.\r | |
80408db0 | 612 | \r |
fc547e08 | 613 | When the PCD service sets a value, it will check to ensure that the \r |
614 | size of the value being set is compatible with the Token's existing definition. \r | |
615 | If it is not, an error will be returned.\r | |
80408db0 | 616 | \r |
fc547e08 | 617 | @param[in] TokenNumber The PCD token number. \r |
618 | @param[in] Value The value to set for the PCD token.\r | |
619 | \r | |
620 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
621 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
622 | being set was incompatible with a call to this function. \r | |
623 | Use GetSize() to retrieve the size of the target data.\r | |
624 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
625 | \r | |
626 | **/\r | |
80408db0 | 627 | EFI_STATUS\r |
628 | EFIAPI\r | |
629 | PeiPcdSet8 (\r | |
630 | IN UINTN TokenNumber,\r | |
631 | IN UINT8 Value\r | |
632 | )\r | |
633 | {\r | |
634 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r | |
635 | }\r | |
636 | \r | |
fc547e08 | 637 | /**\r |
638 | Sets an 16-bit value for a given PCD token.\r | |
639 | \r | |
640 | When the PCD service sets a value, it will check to ensure that the \r | |
641 | size of the value being set is compatible with the Token's existing definition. \r | |
642 | If it is not, an error will be returned.\r | |
80408db0 | 643 | \r |
fc547e08 | 644 | @param[in] TokenNumber The PCD token number. \r |
645 | @param[in] Value The value to set for the PCD token.\r | |
80408db0 | 646 | \r |
fc547e08 | 647 | @retval EFI_SUCCESS Procedure returned successfully.\r |
648 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
649 | being set was incompatible with a call to this function. \r | |
650 | Use GetSize() to retrieve the size of the target data.\r | |
651 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
652 | \r | |
653 | **/\r | |
80408db0 | 654 | EFI_STATUS\r |
655 | EFIAPI\r | |
656 | PeiPcdSet16 (\r | |
657 | IN UINTN TokenNumber,\r | |
658 | IN UINT16 Value\r | |
659 | )\r | |
660 | {\r | |
661 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r | |
662 | }\r | |
663 | \r | |
fc547e08 | 664 | /**\r |
665 | Sets an 32-bit value for a given PCD token.\r | |
80408db0 | 666 | \r |
fc547e08 | 667 | When the PCD service sets a value, it will check to ensure that the \r |
668 | size of the value being set is compatible with the Token's existing definition. \r | |
669 | If it is not, an error will be returned.\r | |
80408db0 | 670 | \r |
fc547e08 | 671 | @param[in] TokenNumber The PCD token number. \r |
672 | @param[in] Value The value to set for the PCD token.\r | |
673 | \r | |
674 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
675 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
676 | being set was incompatible with a call to this function. \r | |
677 | Use GetSize() to retrieve the size of the target data.\r | |
678 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
679 | \r | |
680 | **/\r | |
80408db0 | 681 | EFI_STATUS\r |
682 | EFIAPI\r | |
683 | PeiPcdSet32 (\r | |
684 | IN UINTN TokenNumber,\r | |
685 | IN UINT32 Value\r | |
686 | )\r | |
687 | {\r | |
688 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r | |
689 | }\r | |
690 | \r | |
fc547e08 | 691 | /**\r |
692 | Sets an 64-bit value for a given PCD token.\r | |
693 | \r | |
694 | When the PCD service sets a value, it will check to ensure that the \r | |
695 | size of the value being set is compatible with the Token's existing definition. \r | |
696 | If it is not, an error will be returned.\r | |
80408db0 | 697 | \r |
fc547e08 | 698 | @param[in] TokenNumber The PCD token number. \r |
699 | @param[in] Value The value to set for the PCD token.\r | |
80408db0 | 700 | \r |
fc547e08 | 701 | @retval EFI_SUCCESS Procedure returned successfully.\r |
702 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
703 | being set was incompatible with a call to this function. \r | |
704 | Use GetSize() to retrieve the size of the target data.\r | |
705 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
706 | \r | |
707 | **/\r | |
80408db0 | 708 | EFI_STATUS\r |
709 | EFIAPI\r | |
710 | PeiPcdSet64 (\r | |
711 | IN UINTN TokenNumber,\r | |
712 | IN UINT64 Value\r | |
713 | )\r | |
714 | {\r | |
715 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r | |
716 | }\r | |
717 | \r | |
fc547e08 | 718 | /**\r |
719 | Sets a value of a specified size for a given PCD token.\r | |
720 | \r | |
721 | When the PCD service sets a value, it will check to ensure that the \r | |
722 | size of the value being set is compatible with the Token's existing definition. \r | |
723 | If it is not, an error will be returned.\r | |
724 | \r | |
725 | @param[in] TokenNumber The PCD token number. \r | |
726 | @param[in, out] SizeOfBuffer A pointer to the length of the value being set for the PCD token. \r | |
727 | On input, if the SizeOfValue is greater than the maximum size supported \r | |
728 | for this TokenNumber then the output value of SizeOfValue will reflect \r | |
729 | the maximum size supported for this TokenNumber.\r | |
730 | @param[in] Buffer The buffer to set for the PCD token.\r | |
731 | \r | |
732 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
733 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
734 | being set was incompatible with a call to this function. \r | |
735 | Use GetSize() to retrieve the size of the target data.\r | |
736 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
737 | \r | |
738 | **/\r | |
80408db0 | 739 | EFI_STATUS\r |
740 | EFIAPI\r | |
741 | PeiPcdSetPtr (\r | |
742 | IN UINTN TokenNumber,\r | |
743 | IN OUT UINTN *SizeOfBuffer,\r | |
744 | IN VOID *Buffer\r | |
745 | )\r | |
746 | {\r | |
747 | return SetWorker (TokenNumber, Buffer, SizeOfBuffer, TRUE);\r | |
748 | }\r | |
749 | \r | |
fc547e08 | 750 | /**\r |
751 | Sets an Boolean value for a given PCD token.\r | |
80408db0 | 752 | \r |
fc547e08 | 753 | When the PCD service sets a value, it will check to ensure that the \r |
754 | size of the value being set is compatible with the Token's existing definition. \r | |
755 | If it is not, an error will be returned.\r | |
80408db0 | 756 | \r |
fc547e08 | 757 | @param[in] TokenNumber The PCD token number. \r |
758 | @param[in] Value The value to set for the PCD token.\r | |
759 | \r | |
760 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
761 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
762 | being set was incompatible with a call to this function. \r | |
763 | Use GetSize() to retrieve the size of the target data.\r | |
764 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
765 | \r | |
766 | **/\r | |
80408db0 | 767 | EFI_STATUS\r |
768 | EFIAPI\r | |
769 | PeiPcdSetBool (\r | |
770 | IN UINTN TokenNumber,\r | |
771 | IN BOOLEAN Value\r | |
772 | )\r | |
773 | {\r | |
774 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r | |
775 | }\r | |
776 | \r | |
fc547e08 | 777 | /**\r |
778 | Sets an 8-bit value for a given PCD token.\r | |
80408db0 | 779 | \r |
fc547e08 | 780 | When the PCD service sets a value, it will check to ensure that the \r |
781 | size of the value being set is compatible with the Token's existing definition. \r | |
782 | If it is not, an error will be returned.\r | |
80408db0 | 783 | \r |
fc547e08 | 784 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
785 | @param[in] ExTokenNumber The PCD token number. \r | |
786 | @param[in] Value The value to set for the PCD token.\r | |
787 | \r | |
788 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
789 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
790 | being set was incompatible with a call to this function. \r | |
791 | Use GetSize() to retrieve the size of the target data.\r | |
792 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
793 | \r | |
794 | **/\r | |
80408db0 | 795 | EFI_STATUS\r |
796 | EFIAPI\r | |
797 | PeiPcdSet8Ex (\r | |
798 | IN CONST EFI_GUID *Guid,\r | |
799 | IN UINTN ExTokenNumber,\r | |
800 | IN UINT8 Value\r | |
801 | )\r | |
802 | {\r | |
803 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r | |
804 | }\r | |
805 | \r | |
fc547e08 | 806 | /**\r |
807 | Sets an 16-bit value for a given PCD token.\r | |
808 | \r | |
809 | When the PCD service sets a value, it will check to ensure that the \r | |
810 | size of the value being set is compatible with the Token's existing definition. \r | |
811 | If it is not, an error will be returned.\r | |
80408db0 | 812 | \r |
fc547e08 | 813 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
814 | @param[in] ExTokenNumber The PCD token number. \r | |
815 | @param[in] Value The value to set for the PCD token.\r | |
80408db0 | 816 | \r |
fc547e08 | 817 | @retval EFI_SUCCESS Procedure returned successfully.\r |
818 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
819 | being set was incompatible with a call to this function. \r | |
820 | Use GetSize() to retrieve the size of the target data.\r | |
821 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
822 | \r | |
823 | **/\r | |
80408db0 | 824 | EFI_STATUS\r |
825 | EFIAPI\r | |
826 | PeiPcdSet16Ex (\r | |
827 | IN CONST EFI_GUID *Guid,\r | |
828 | IN UINTN ExTokenNumber,\r | |
829 | IN UINT16 Value\r | |
830 | )\r | |
831 | {\r | |
832 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r | |
833 | }\r | |
834 | \r | |
fc547e08 | 835 | /**\r |
836 | Sets an 32-bit value for a given PCD token.\r | |
837 | \r | |
838 | When the PCD service sets a value, it will check to ensure that the \r | |
839 | size of the value being set is compatible with the Token's existing definition. \r | |
840 | If it is not, an error will be returned.\r | |
80408db0 | 841 | \r |
fc547e08 | 842 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
843 | @param[in] ExTokenNumber The PCD token number. \r | |
844 | @param[in] Value The value to set for the PCD token.\r | |
80408db0 | 845 | \r |
fc547e08 | 846 | @retval EFI_SUCCESS Procedure returned successfully.\r |
847 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
848 | being set was incompatible with a call to this function. \r | |
849 | Use GetSize() to retrieve the size of the target data.\r | |
850 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
851 | \r | |
852 | **/\r | |
80408db0 | 853 | EFI_STATUS\r |
854 | EFIAPI\r | |
855 | PeiPcdSet32Ex (\r | |
856 | IN CONST EFI_GUID *Guid,\r | |
857 | IN UINTN ExTokenNumber,\r | |
858 | IN UINT32 Value\r | |
859 | )\r | |
860 | {\r | |
861 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r | |
862 | }\r | |
863 | \r | |
fc547e08 | 864 | /**\r |
865 | Sets an 64-bit value for a given PCD token.\r | |
80408db0 | 866 | \r |
fc547e08 | 867 | When the PCD service sets a value, it will check to ensure that the \r |
868 | size of the value being set is compatible with the Token's existing definition. \r | |
869 | If it is not, an error will be returned.\r | |
80408db0 | 870 | \r |
fc547e08 | 871 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
872 | @param[in] ExTokenNumber The PCD token number. \r | |
873 | @param[in] Value The value to set for the PCD token.\r | |
874 | \r | |
875 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
876 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
877 | being set was incompatible with a call to this function. \r | |
878 | Use GetSize() to retrieve the size of the target data.\r | |
879 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
880 | \r | |
881 | **/\r | |
80408db0 | 882 | EFI_STATUS\r |
883 | EFIAPI\r | |
884 | PeiPcdSet64Ex (\r | |
885 | IN CONST EFI_GUID *Guid,\r | |
886 | IN UINTN ExTokenNumber,\r | |
887 | IN UINT64 Value\r | |
888 | )\r | |
889 | {\r | |
890 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r | |
891 | }\r | |
892 | \r | |
fc547e08 | 893 | /**\r |
894 | Sets a value of a specified size for a given PCD token.\r | |
895 | \r | |
896 | When the PCD service sets a value, it will check to ensure that the \r | |
897 | size of the value being set is compatible with the Token's existing definition. \r | |
898 | If it is not, an error will be returned.\r | |
899 | \r | |
900 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r | |
901 | @param[in] ExTokenNumber The PCD token number. \r | |
902 | @param[in, out] SizeOfBuffer A pointer to the length of the value being set for the PCD token. \r | |
903 | On input, if the SizeOfValue is greater than the maximum size supported \r | |
904 | for this TokenNumber then the output value of SizeOfValue will reflect \r | |
905 | the maximum size supported for this TokenNumber.\r | |
906 | @param[in] Value The buffer to set for the PCD token.\r | |
907 | \r | |
908 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
909 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
910 | being set was incompatible with a call to this function. \r | |
911 | Use GetSize() to retrieve the size of the target data.\r | |
912 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
913 | \r | |
914 | **/\r | |
80408db0 | 915 | EFI_STATUS\r |
916 | EFIAPI\r | |
917 | PeiPcdSetPtrEx (\r | |
fc547e08 | 918 | IN CONST EFI_GUID *Guid,\r |
919 | IN UINTN ExTokenNumber,\r | |
920 | IN OUT UINTN *SizeOfBuffer,\r | |
921 | IN VOID *Value\r | |
80408db0 | 922 | )\r |
923 | {\r | |
924 | return ExSetWorker (ExTokenNumber, Guid, Value, SizeOfBuffer, TRUE);\r | |
925 | }\r | |
926 | \r | |
fc547e08 | 927 | /**\r |
928 | Sets an Boolean value for a given PCD token.\r | |
929 | \r | |
930 | When the PCD service sets a value, it will check to ensure that the \r | |
931 | size of the value being set is compatible with the Token's existing definition. \r | |
932 | If it is not, an error will be returned.\r | |
80408db0 | 933 | \r |
fc547e08 | 934 | @param [in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
935 | @param [in] ExTokenNumber The PCD token number. \r | |
936 | @param [in] Value The value to set for the PCD token.\r | |
80408db0 | 937 | \r |
fc547e08 | 938 | @retval EFI_SUCCESS Procedure returned successfully.\r |
939 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
940 | being set was incompatible with a call to this function. \r | |
941 | Use GetSize() to retrieve the size of the target data.\r | |
942 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
943 | \r | |
944 | **/\r | |
80408db0 | 945 | EFI_STATUS\r |
946 | EFIAPI\r | |
947 | PeiPcdSetBoolEx (\r | |
948 | IN CONST EFI_GUID *Guid,\r | |
949 | IN UINTN ExTokenNumber,\r | |
950 | IN BOOLEAN Value\r | |
951 | )\r | |
952 | {\r | |
953 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r | |
954 | }\r | |
955 | \r | |
fc547e08 | 956 | /**\r |
957 | Specifies a function to be called anytime the value of a designated token is changed.\r | |
80408db0 | 958 | \r |
fc547e08 | 959 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
960 | @param[in] ExTokenNumber The PCD token number. \r | |
961 | @param[in] CallBackFunction The function prototype called when the value associated with the CallBackToken is set. \r | |
80408db0 | 962 | \r |
fc547e08 | 963 | @retval EFI_SUCCESS The PCD service has successfully established a call event \r |
964 | for the CallBackToken requested.\r | |
965 | @retval EFI_NOT_FOUND The PCD service could not find the referenced token number.\r | |
80408db0 | 966 | \r |
fc547e08 | 967 | **/\r |
80408db0 | 968 | EFI_STATUS\r |
969 | EFIAPI\r | |
970 | PeiRegisterCallBackOnSet (\r | |
971 | IN CONST EFI_GUID *Guid, OPTIONAL\r | |
972 | IN UINTN ExTokenNumber,\r | |
973 | IN PCD_PPI_CALLBACK CallBackFunction\r | |
974 | )\r | |
975 | {\r | |
f806dd27 | 976 | if (!FeaturePcdGet(PcdPeiFullPcdDatabaseEnable)) {\r |
80408db0 | 977 | return EFI_UNSUPPORTED;\r |
978 | }\r | |
979 | \r | |
e4a3922f | 980 | if (CallBackFunction == NULL) {\r |
981 | return EFI_INVALID_PARAMETER;\r | |
982 | }\r | |
983 | \r | |
80408db0 | 984 | return PeiRegisterCallBackWorker (ExTokenNumber, Guid, CallBackFunction, TRUE);\r |
985 | }\r | |
986 | \r | |
fc547e08 | 987 | /**\r |
988 | Cancels a previously set callback function for a particular PCD token number.\r | |
80408db0 | 989 | \r |
fc547e08 | 990 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
991 | @param[in] ExTokenNumber The PCD token number. \r | |
992 | @param[in] CallBackFunction The function prototype called when the value associated with the CallBackToken is set. \r | |
80408db0 | 993 | \r |
fc547e08 | 994 | @retval EFI_SUCCESS The PCD service has successfully established a call event \r |
995 | for the CallBackToken requested.\r | |
996 | @retval EFI_NOT_FOUND The PCD service could not find the referenced token number.\r | |
997 | \r | |
998 | **/\r | |
80408db0 | 999 | EFI_STATUS\r |
1000 | EFIAPI\r | |
1001 | PcdUnRegisterCallBackOnSet (\r | |
1002 | IN CONST EFI_GUID *Guid, OPTIONAL\r | |
1003 | IN UINTN ExTokenNumber,\r | |
1004 | IN PCD_PPI_CALLBACK CallBackFunction\r | |
1005 | )\r | |
1006 | {\r | |
f806dd27 | 1007 | if (!FeaturePcdGet(PcdPeiFullPcdDatabaseEnable)) {\r |
80408db0 | 1008 | return EFI_UNSUPPORTED;\r |
1009 | }\r | |
1010 | \r | |
e4a3922f | 1011 | if (CallBackFunction == NULL) {\r |
1012 | return EFI_INVALID_PARAMETER;\r | |
1013 | }\r | |
1014 | \r | |
80408db0 | 1015 | return PeiRegisterCallBackWorker (ExTokenNumber, Guid, CallBackFunction, FALSE);\r |
1016 | }\r | |
1017 | \r | |
fc547e08 | 1018 | /**\r |
90e06556 | 1019 | Retrieves the next valid token number in a given namespace. \r |
1020 | \r | |
1021 | This is useful since the PCD infrastructure contains a sparse list of token numbers, \r | |
1022 | and one cannot a priori know what token numbers are valid in the database. \r | |
1023 | \r | |
1024 | If TokenNumber is 0 and Guid is not NULL, then the first token from the token space specified by Guid is returned. \r | |
1025 | If TokenNumber is not 0 and Guid is not NULL, then the next token in the token space specified by Guid is returned. \r | |
1026 | If TokenNumber is 0 and Guid is NULL, then the first token in the default token space is returned. \r | |
1027 | If TokenNumber is not 0 and Guid is NULL, then the next token in the default token space is returned. \r | |
1028 | The token numbers in the default token space may not be related to token numbers in token spaces that are named by Guid. \r | |
1029 | If the next token number can be retrieved, then it is returned in TokenNumber, and EFI_SUCCESS is returned. \r | |
1030 | If TokenNumber represents the last token number in the token space specified by Guid, then EFI_NOT_FOUND is returned. \r | |
1031 | If TokenNumber is not present in the token space specified by Guid, then EFI_NOT_FOUND is returned.\r | |
1032 | \r | |
1033 | \r | |
1034 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value. \r | |
1035 | This is an optional parameter that may be NULL. If this parameter is NULL, then a request \r | |
1036 | is being made to retrieve tokens from the default token space.\r | |
1037 | @param[in, out] TokenNumber A pointer to the PCD token number to use to find the subsequent token number.\r | |
1038 | \r | |
419db80b BF |
1039 | @retval EFI_SUCCESS The PCD service has retrieved the next valid token number.\r |
1040 | @retval EFI_NOT_FOUND The PCD service could not find data from the requested token number.\r | |
fc547e08 | 1041 | \r |
1042 | **/\r | |
80408db0 | 1043 | EFI_STATUS\r |
1044 | EFIAPI\r | |
1045 | PeiPcdGetNextToken (\r | |
1046 | IN CONST EFI_GUID *Guid, OPTIONAL\r | |
1047 | IN OUT UINTN *TokenNumber\r | |
1048 | )\r | |
1049 | {\r | |
1050 | UINTN GuidTableIdx;\r | |
1051 | PEI_PCD_DATABASE *PeiPcdDb;\r | |
1052 | EFI_GUID *MatchGuid;\r | |
419db80b | 1053 | EFI_GUID *GuidTable;\r |
80408db0 | 1054 | DYNAMICEX_MAPPING *ExMapTable;\r |
fc547e08 | 1055 | UINTN Index;\r |
80408db0 | 1056 | BOOLEAN Found;\r |
1057 | BOOLEAN PeiExMapTableEmpty;\r | |
419db80b | 1058 | UINTN PeiNexTokenNumber; \r |
80408db0 | 1059 | \r |
f806dd27 | 1060 | if (!FeaturePcdGet (PcdPeiFullPcdDatabaseEnable)) {\r |
80408db0 | 1061 | return EFI_UNSUPPORTED;\r |
1062 | }\r | |
1063 | \r | |
419db80b BF |
1064 | PeiPcdDb = GetPcdDatabase ();\r |
1065 | PeiNexTokenNumber = PeiPcdDb->LocalTokenCount - PeiPcdDb->ExTokenCount;\r | |
1066 | GuidTable = (EFI_GUID *)((UINT8 *)PeiPcdDb + PeiPcdDb->GuidTableOffset);\r | |
80408db0 | 1067 | \r |
419db80b BF |
1068 | if (PeiPcdDb->ExTokenCount == 0) {\r |
1069 | PeiExMapTableEmpty = TRUE;\r | |
1070 | } else {\r | |
1071 | PeiExMapTableEmpty = FALSE;\r | |
1072 | }\r | |
80408db0 | 1073 | if (Guid == NULL) {\r |
419db80b | 1074 | if (*TokenNumber > PeiNexTokenNumber) {\r |
80408db0 | 1075 | return EFI_NOT_FOUND;\r |
1076 | }\r | |
1077 | (*TokenNumber)++;\r | |
419db80b | 1078 | if (*TokenNumber > PeiNexTokenNumber) {\r |
80408db0 | 1079 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r |
419db80b | 1080 | return EFI_NOT_FOUND;\r |
80408db0 | 1081 | }\r |
1082 | return EFI_SUCCESS;\r | |
1083 | } else {\r | |
1084 | if (PeiExMapTableEmpty) {\r | |
419db80b | 1085 | return EFI_NOT_FOUND;\r |
80408db0 | 1086 | }\r |
419db80b BF |
1087 | \r |
1088 | MatchGuid = ScanGuid (GuidTable, PeiPcdDb->GuidTableCount * sizeof(EFI_GUID), Guid);\r | |
80408db0 | 1089 | \r |
1090 | if (MatchGuid == NULL) {\r | |
80408db0 | 1091 | return EFI_NOT_FOUND;\r |
1092 | }\r | |
1093 | \r | |
419db80b | 1094 | GuidTableIdx = MatchGuid - GuidTable;\r |
80408db0 | 1095 | \r |
419db80b | 1096 | ExMapTable = (DYNAMICEX_MAPPING *)((UINT8 *)PeiPcdDb + PeiPcdDb->ExMapTableOffset);\r |
80408db0 | 1097 | \r |
1098 | Found = FALSE;\r | |
1099 | //\r | |
1100 | // Locate the GUID in ExMapTable first.\r | |
1101 | //\r | |
419db80b | 1102 | for (Index = 0; Index < PeiPcdDb->ExTokenCount; Index++) {\r |
fc547e08 | 1103 | if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {\r |
80408db0 | 1104 | Found = TRUE;\r |
1105 | break;\r | |
1106 | }\r | |
1107 | }\r | |
1108 | \r | |
1109 | if (Found) {\r | |
1110 | if (*TokenNumber == PCD_INVALID_TOKEN_NUMBER) {\r | |
fc547e08 | 1111 | *TokenNumber = ExMapTable[Index].ExTokenNumber;\r |
80408db0 | 1112 | return EFI_SUCCESS;\r |
1113 | }\r | |
1114 | \r | |
419db80b | 1115 | for ( ; Index < PeiPcdDb->ExTokenCount; Index++) {\r |
fc547e08 | 1116 | if (ExMapTable[Index].ExTokenNumber == *TokenNumber) {\r |
419db80b BF |
1117 | break;\r |
1118 | }\r | |
1119 | }\r | |
1120 | \r | |
1121 | while (Index < PeiPcdDb->ExTokenCount) {\r | |
1122 | Index++;\r | |
1123 | if (Index == PeiPcdDb->ExTokenCount) {\r | |
1124 | //\r | |
1125 | // Exceed the length of ExMap Table\r | |
1126 | //\r | |
1127 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r | |
1128 | return EFI_NOT_FOUND;\r | |
1129 | } else if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {\r | |
1130 | //\r | |
1131 | // Found the next match\r | |
1132 | //\r | |
1133 | *TokenNumber = ExMapTable[Index].ExTokenNumber;\r | |
1134 | return EFI_SUCCESS;\r | |
80408db0 | 1135 | }\r |
1136 | }\r | |
80408db0 | 1137 | }\r |
1138 | }\r | |
1139 | \r | |
1140 | return EFI_NOT_FOUND;\r | |
1141 | }\r | |
1142 | \r | |
fc547e08 | 1143 | /**\r |
1144 | Retrieves the next valid PCD token namespace for a given namespace.\r | |
1145 | \r | |
419db80b BF |
1146 | Gets the next valid token namespace for a given namespace. This is useful to traverse the valid\r |
1147 | token namespaces on a platform.\r | |
1148 | \r | |
1149 | @param[in, out] Guid An indirect pointer to EFI_GUID. On input it designates a known token\r | |
1150 | namespace from which the search will start. On output, it designates the next valid\r | |
1151 | token namespace on the platform. If *Guid is NULL, then the GUID of the first token\r | |
1152 | space of the current platform is returned. If the search cannot locate the next valid\r | |
1153 | token namespace, an error is returned and the value of *Guid is undefined.\r | |
1154 | \r | |
1155 | @retval EFI_SUCCESS The PCD service retrieved the value requested.\r | |
1156 | @retval EFI_NOT_FOUND The PCD service could not find the next valid token namespace.\r | |
80408db0 | 1157 | \r |
fc547e08 | 1158 | **/\r |
80408db0 | 1159 | EFI_STATUS\r |
1160 | EFIAPI\r | |
1161 | PeiPcdGetNextTokenSpace (\r | |
1162 | IN OUT CONST EFI_GUID **Guid\r | |
1163 | )\r | |
1164 | {\r | |
1165 | UINTN GuidTableIdx;\r | |
1166 | EFI_GUID *MatchGuid;\r | |
1167 | PEI_PCD_DATABASE *PeiPcdDb;\r | |
1168 | DYNAMICEX_MAPPING *ExMapTable;\r | |
fc547e08 | 1169 | UINTN Index;\r |
419db80b | 1170 | UINTN Index2;\r |
80408db0 | 1171 | BOOLEAN Found;\r |
1172 | BOOLEAN PeiExMapTableEmpty;\r | |
419db80b | 1173 | EFI_GUID *GuidTable;\r |
80408db0 | 1174 | \r |
f806dd27 | 1175 | if (!FeaturePcdGet (PcdPeiFullPcdDatabaseEnable)) {\r |
80408db0 | 1176 | return EFI_UNSUPPORTED;\r |
1177 | }\r | |
1178 | \r | |
1179 | ASSERT (Guid != NULL);\r | |
1180 | \r | |
419db80b | 1181 | PeiPcdDb = GetPcdDatabase ();\r |
80408db0 | 1182 | \r |
419db80b BF |
1183 | if (PeiPcdDb->ExTokenCount == 0) {\r |
1184 | PeiExMapTableEmpty = TRUE;\r | |
1185 | } else {\r | |
1186 | PeiExMapTableEmpty = FALSE;\r | |
1187 | }\r | |
1188 | \r | |
80408db0 | 1189 | if (PeiExMapTableEmpty) {\r |
419db80b | 1190 | return EFI_NOT_FOUND;\r |
80408db0 | 1191 | }\r |
1192 | \r | |
419db80b BF |
1193 | ExMapTable = (DYNAMICEX_MAPPING *)((UINT8 *)PeiPcdDb + PeiPcdDb->ExMapTableOffset);\r |
1194 | GuidTable = (EFI_GUID *)((UINT8 *)PeiPcdDb + PeiPcdDb->GuidTableOffset);\r | |
1195 | \r | |
80408db0 | 1196 | if (*Guid == NULL) {\r |
1197 | //\r | |
1198 | // return the first Token Space Guid.\r | |
1199 | //\r | |
419db80b | 1200 | *Guid = GuidTable + ExMapTable[0].ExGuidIndex;\r |
80408db0 | 1201 | return EFI_SUCCESS;\r |
1202 | }\r | |
1203 | \r | |
419db80b | 1204 | MatchGuid = ScanGuid (GuidTable, PeiPcdDb->GuidTableCount * sizeof(GuidTable[0]), *Guid);\r |
80408db0 | 1205 | \r |
1206 | if (MatchGuid == NULL) {\r | |
1207 | return EFI_NOT_FOUND;\r | |
1208 | }\r | |
1209 | \r | |
419db80b | 1210 | GuidTableIdx = MatchGuid - GuidTable;\r |
80408db0 | 1211 | \r |
1212 | Found = FALSE;\r | |
419db80b | 1213 | for (Index = 0; Index < PeiPcdDb->ExTokenCount; Index++) {\r |
fc547e08 | 1214 | if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {\r |
80408db0 | 1215 | Found = TRUE;\r |
1216 | break;\r | |
1217 | }\r | |
1218 | }\r | |
1219 | \r | |
1220 | if (Found) {\r | |
fc547e08 | 1221 | Index++;\r |
419db80b BF |
1222 | for ( ; Index < PeiPcdDb->ExTokenCount; Index++ ) {\r |
1223 | if (ExMapTable[Index].ExGuidIndex != GuidTableIdx) {\r | |
1224 | Found = FALSE;\r | |
1225 | for (Index2 = 0 ; Index2 < Index; Index2++) {\r | |
1226 | if (ExMapTable[Index2].ExGuidIndex == ExMapTable[Index].ExGuidIndex) {\r | |
1227 | //\r | |
1228 | // This token namespace should have been found and output at preceding getting.\r | |
1229 | //\r | |
1230 | Found = TRUE;\r | |
1231 | break;\r | |
1232 | }\r | |
1233 | }\r | |
1234 | if (!Found) {\r | |
1235 | *Guid = (EFI_GUID *)((UINT8 *)PeiPcdDb + PeiPcdDb->GuidTableOffset) + ExMapTable[Index].ExGuidIndex;\r | |
1236 | return EFI_SUCCESS;\r | |
1237 | }\r | |
80408db0 | 1238 | }\r |
1239 | }\r | |
1240 | *Guid = NULL;\r | |
80408db0 | 1241 | }\r |
1242 | \r | |
1243 | return EFI_NOT_FOUND;\r | |
1244 | \r | |
1245 | }\r | |
1246 | \r | |
fc547e08 | 1247 | /**\r |
1248 | Get PCD value's size for POINTER type PCD.\r | |
1249 | \r | |
419db80b | 1250 | The POINTER type PCD's value will be stored into a buffer in specified size.\r |
fc547e08 | 1251 | The max size of this PCD's value is described in PCD's definition in DEC file.\r |
1252 | \r | |
1253 | @param LocalTokenNumberTableIdx Index of PCD token number in PCD token table\r | |
3fd8027e | 1254 | @param MaxSize Maximum size of PCD's value\r |
fc547e08 | 1255 | @param Database Pcd database in PEI phase.\r |
1256 | \r | |
1257 | @return PCD value's size for POINTER type PCD.\r | |
1258 | \r | |
1259 | **/\r | |
80408db0 | 1260 | UINTN\r |
1261 | GetPtrTypeSize (\r | |
1262 | IN UINTN LocalTokenNumberTableIdx,\r | |
1263 | OUT UINTN *MaxSize,\r | |
1264 | IN PEI_PCD_DATABASE *Database\r | |
1265 | )\r | |
1266 | {\r | |
1267 | INTN SizeTableIdx;\r | |
1268 | UINTN LocalTokenNumber;\r | |
1269 | SKU_ID *SkuIdTable;\r | |
1270 | SIZE_INFO *SizeTable;\r | |
fc547e08 | 1271 | UINTN Index;\r |
80408db0 | 1272 | \r |
1273 | SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, Database);\r | |
1274 | \r | |
419db80b | 1275 | LocalTokenNumber = *((UINT32 *)((UINT8 *)Database + Database->LocalTokenNumberTableOffset) + LocalTokenNumberTableIdx);\r |
80408db0 | 1276 | \r |
1277 | ASSERT ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER);\r | |
1278 | \r | |
419db80b | 1279 | SizeTable = (SIZE_INFO *)((UINT8 *)Database + Database->SizeTableOffset);\r |
80408db0 | 1280 | \r |
1281 | *MaxSize = SizeTable[SizeTableIdx];\r | |
1282 | //\r | |
1283 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r | |
1284 | // PCD entry.\r | |
1285 | //\r | |
fc547e08 | 1286 | if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r |
80408db0 | 1287 | //\r |
419db80b | 1288 | // We have only two entry for VPD enabled PCD entry:\r |
80408db0 | 1289 | // 1) MAX Size.\r |
419db80b | 1290 | // 2) Current Size\r |
80408db0 | 1291 | // We consider current size is equal to MAX size.\r |
1292 | //\r | |
1293 | return *MaxSize;\r | |
1294 | } else {\r | |
1295 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r | |
1296 | //\r | |
1297 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
1298 | // 1) MAX SIZE\r | |
1299 | // 2) Current Size\r | |
1300 | //\r | |
1301 | return SizeTable[SizeTableIdx + 1];\r | |
1302 | } else {\r | |
1303 | //\r | |
1304 | // We have these entry for SKU enabled PCD entry\r | |
1305 | // 1) MAX SIZE\r | |
1306 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r | |
1307 | //\r | |
1308 | SkuIdTable = GetSkuIdArray (LocalTokenNumberTableIdx, Database);\r | |
fc547e08 | 1309 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r |
419db80b | 1310 | if (SkuIdTable[1 + Index] == Database->SystemSkuId) {\r |
fc547e08 | 1311 | return SizeTable[SizeTableIdx + 1 + Index];\r |
80408db0 | 1312 | }\r |
1313 | }\r | |
1314 | return SizeTable[SizeTableIdx + 1];\r | |
1315 | }\r | |
1316 | }\r | |
1317 | }\r | |
1318 | \r | |
fc547e08 | 1319 | /**\r |
1320 | Set PCD value's size for POINTER type PCD.\r | |
1321 | \r | |
419db80b | 1322 | The POINTER type PCD's value will be stored into a buffer in specified size.\r |
fc547e08 | 1323 | The max size of this PCD's value is described in PCD's definition in DEC file.\r |
1324 | \r | |
1325 | @param LocalTokenNumberTableIdx Index of PCD token number in PCD token table\r | |
3fd8027e | 1326 | @param CurrentSize Maximum size of PCD's value\r |
fc547e08 | 1327 | @param Database Pcd database in PEI phase.\r |
80408db0 | 1328 | \r |
3fd8027e | 1329 | @retval TRUE Success to set PCD's value size, which is not exceed maximum size\r |
1330 | @retval FALSE Fail to set PCD's value size, which maybe exceed maximum size\r | |
80408db0 | 1331 | \r |
fc547e08 | 1332 | **/\r |
80408db0 | 1333 | BOOLEAN\r |
1334 | SetPtrTypeSize (\r | |
1335 | IN UINTN LocalTokenNumberTableIdx,\r | |
1336 | IN OUT UINTN *CurrentSize,\r | |
1337 | IN PEI_PCD_DATABASE *Database\r | |
1338 | )\r | |
1339 | {\r | |
1340 | INTN SizeTableIdx;\r | |
1341 | UINTN LocalTokenNumber;\r | |
1342 | SKU_ID *SkuIdTable;\r | |
1343 | SIZE_INFO *SizeTable;\r | |
fc547e08 | 1344 | UINTN Index;\r |
80408db0 | 1345 | UINTN MaxSize;\r |
1346 | \r | |
1347 | SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, Database);\r | |
1348 | \r | |
419db80b | 1349 | LocalTokenNumber = *((UINT32 *)((UINT8 *)Database + Database->LocalTokenNumberTableOffset) + LocalTokenNumberTableIdx);\r |
80408db0 | 1350 | \r |
1351 | ASSERT ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER);\r | |
419db80b BF |
1352 | \r |
1353 | SizeTable = (SIZE_INFO *)((UINT8 *)Database + Database->SizeTableOffset);\r | |
80408db0 | 1354 | \r |
1355 | MaxSize = SizeTable[SizeTableIdx];\r | |
1356 | //\r | |
1357 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r | |
1358 | // PCD entry.\r | |
1359 | //\r | |
fc547e08 | 1360 | if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r |
80408db0 | 1361 | //\r |
1362 | // We shouldn't come here as we don't support SET for VPD\r | |
1363 | //\r | |
1364 | ASSERT (FALSE);\r | |
1365 | return FALSE;\r | |
1366 | } else {\r | |
1367 | if ((*CurrentSize > MaxSize) ||\r | |
1368 | (*CurrentSize == MAX_ADDRESS)) {\r | |
1369 | *CurrentSize = MaxSize;\r | |
1370 | return FALSE;\r | |
5944a83b | 1371 | }\r |
80408db0 | 1372 | \r |
1373 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r | |
1374 | //\r | |
1375 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
1376 | // 1) MAX SIZE\r | |
1377 | // 2) Current Size\r | |
1378 | //\r | |
1379 | SizeTable[SizeTableIdx + 1] = (SIZE_INFO) *CurrentSize;\r | |
1380 | return TRUE;\r | |
1381 | } else {\r | |
1382 | //\r | |
1383 | // We have these entry for SKU enabled PCD entry\r | |
1384 | // 1) MAX SIZE\r | |
1385 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r | |
1386 | //\r | |
1387 | SkuIdTable = GetSkuIdArray (LocalTokenNumberTableIdx, Database);\r | |
fc547e08 | 1388 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r |
419db80b | 1389 | if (SkuIdTable[1 + Index] == Database->SystemSkuId) {\r |
fc547e08 | 1390 | SizeTable[SizeTableIdx + 1 + Index] = (SIZE_INFO) *CurrentSize;\r |
80408db0 | 1391 | return TRUE;\r |
1392 | }\r | |
1393 | }\r | |
1394 | SizeTable[SizeTableIdx + 1] = (SIZE_INFO) *CurrentSize;\r | |
1395 | return TRUE;\r | |
1396 | }\r | |
1397 | }\r | |
1398 | \r | |
1399 | }\r |