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fc547e08 | 1 | /** @file \r |
5944a83b | 2 | All Pcd Ppi services are implemented here.\r |
fc547e08 | 3 | \r |
2db48a1f | 4 | Copyright (c) 2006 - 2017, Intel Corporation. All rights reserved.<BR>\r |
bfb4c2ba CS |
5 | (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>\r |
6 | This program and the accompanying materials\r | |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
80408db0 | 13 | \r |
80408db0 | 14 | **/\r |
15 | \r | |
80408db0 | 16 | #include "Service.h"\r |
17 | \r | |
17e7fa8f | 18 | ///\r |
19 | /// Instance of PCD_PPI protocol is EDKII native implementation.\r | |
20 | /// This protocol instance support dynamic and dynamicEx type PCDs.\r | |
21 | ///\r | |
80408db0 | 22 | PCD_PPI mPcdPpiInstance = {\r |
23 | PeiPcdSetSku,\r | |
24 | \r | |
25 | PeiPcdGet8,\r | |
26 | PeiPcdGet16, \r | |
27 | PeiPcdGet32, \r | |
28 | PeiPcdGet64, \r | |
29 | PeiPcdGetPtr, \r | |
30 | PeiPcdGetBool, \r | |
31 | PeiPcdGetSize,\r | |
32 | \r | |
33 | PeiPcdGet8Ex,\r | |
34 | PeiPcdGet16Ex, \r | |
35 | PeiPcdGet32Ex, \r | |
36 | PeiPcdGet64Ex, \r | |
37 | PeiPcdGetPtrEx, \r | |
38 | PeiPcdGetBoolEx, \r | |
39 | PeiPcdGetSizeEx,\r | |
40 | \r | |
41 | PeiPcdSet8,\r | |
42 | PeiPcdSet16, \r | |
43 | PeiPcdSet32, \r | |
44 | PeiPcdSet64, \r | |
45 | PeiPcdSetPtr, \r | |
46 | PeiPcdSetBool, \r | |
47 | \r | |
48 | PeiPcdSet8Ex,\r | |
49 | PeiPcdSet16Ex, \r | |
50 | PeiPcdSet32Ex, \r | |
51 | PeiPcdSet64Ex, \r | |
52 | PeiPcdSetPtrEx, \r | |
53 | PeiPcdSetBoolEx,\r | |
54 | \r | |
55 | PeiRegisterCallBackOnSet,\r | |
56 | PcdUnRegisterCallBackOnSet,\r | |
57 | PeiPcdGetNextToken,\r | |
58 | PeiPcdGetNextTokenSpace\r | |
59 | };\r | |
60 | \r | |
17e7fa8f | 61 | ///\r |
62 | /// Instance of EFI_PEI_PCD_PPI which is defined in PI 1.2 Vol 3.\r | |
63 | /// This PPI instance only support dyanmicEx type PCD.\r | |
64 | ///\r | |
c896d682 | 65 | EFI_PEI_PCD_PPI mEfiPcdPpiInstance = {\r |
66 | PeiPcdSetSku,\r | |
67 | \r | |
68 | PeiPcdGet8Ex,\r | |
69 | PeiPcdGet16Ex,\r | |
70 | PeiPcdGet32Ex,\r | |
71 | PeiPcdGet64Ex,\r | |
72 | PeiPcdGetPtrEx,\r | |
73 | PeiPcdGetBoolEx,\r | |
74 | PeiPcdGetSizeEx,\r | |
75 | PeiPcdSet8Ex,\r | |
76 | PeiPcdSet16Ex,\r | |
77 | PeiPcdSet32Ex,\r | |
78 | PeiPcdSet64Ex,\r | |
79 | PeiPcdSetPtrEx,\r | |
80 | PeiPcdSetBoolEx,\r | |
81 | (EFI_PEI_PCD_PPI_CALLBACK_ON_SET) PeiRegisterCallBackOnSet,\r | |
82 | (EFI_PEI_PCD_PPI_CANCEL_CALLBACK) PcdUnRegisterCallBackOnSet,\r | |
83 | PeiPcdGetNextToken,\r | |
84 | PeiPcdGetNextTokenSpace\r | |
85 | };\r | |
86 | \r | |
96d6d004 SZ |
87 | ///\r |
88 | /// Instance of GET_PCD_INFO_PPI protocol is EDKII native implementation.\r | |
89 | /// This protocol instance support dynamic and dynamicEx type PCDs.\r | |
90 | ///\r | |
91 | GET_PCD_INFO_PPI mGetPcdInfoInstance = {\r | |
92 | PeiGetPcdInfoGetInfo,\r | |
93 | PeiGetPcdInfoGetInfoEx,\r | |
94 | PeiGetPcdInfoGetSku\r | |
95 | };\r | |
96 | \r | |
97 | ///\r | |
98 | /// Instance of EFI_GET_PCD_INFO_PPI which is defined in PI 1.2.1 Vol 3.\r | |
99 | /// This PPI instance only support dyanmicEx type PCD.\r | |
100 | ///\r | |
101 | EFI_GET_PCD_INFO_PPI mEfiGetPcdInfoInstance = {\r | |
102 | PeiGetPcdInfoGetInfoEx,\r | |
103 | PeiGetPcdInfoGetSku\r | |
104 | };\r | |
105 | \r | |
17e7fa8f | 106 | EFI_PEI_PPI_DESCRIPTOR mPpiList[] = {\r |
107 | {\r | |
108 | EFI_PEI_PPI_DESCRIPTOR_PPI,\r | |
109 | &gPcdPpiGuid,\r | |
110 | &mPcdPpiInstance\r | |
111 | },\r | |
112 | {\r | |
113 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r | |
114 | &gEfiPeiPcdPpiGuid,\r | |
115 | &mEfiPcdPpiInstance\r | |
116 | }\r | |
c896d682 | 117 | };\r |
118 | \r | |
96d6d004 SZ |
119 | EFI_PEI_PPI_DESCRIPTOR mPpiList2[] = {\r |
120 | {\r | |
121 | EFI_PEI_PPI_DESCRIPTOR_PPI,\r | |
122 | &gGetPcdInfoPpiGuid,\r | |
123 | &mGetPcdInfoInstance\r | |
124 | },\r | |
125 | {\r | |
126 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r | |
127 | &gEfiGetPcdInfoPpiGuid,\r | |
128 | &mEfiGetPcdInfoInstance\r | |
129 | }\r | |
130 | };\r | |
131 | \r | |
219247e1 LG |
132 | /**\r |
133 | Callback on SET PcdSetNvStoreDefaultId\r | |
134 | \r | |
135 | Once PcdSetNvStoreDefaultId is set, the default NV storage will be found from\r | |
136 | PcdNvStoreDefaultValueBuffer, and built into VariableHob.\r | |
137 | \r | |
138 | @param[in] CallBackGuid The PCD token GUID being set.\r | |
139 | @param[in] CallBackToken The PCD token number being set.\r | |
140 | @param[in, out] TokenData A pointer to the token data being set.\r | |
141 | @param[in] TokenDataSize The size, in bytes, of the data being set.\r | |
142 | \r | |
143 | **/\r | |
144 | VOID\r | |
145 | EFIAPI\r | |
146 | PcdSetNvStoreDefaultIdCallBack (\r | |
147 | IN CONST EFI_GUID *CallBackGuid, OPTIONAL\r | |
148 | IN UINTN CallBackToken,\r | |
149 | IN OUT VOID *TokenData,\r | |
150 | IN UINTN TokenDataSize\r | |
151 | )\r | |
152 | {\r | |
153 | EFI_STATUS Status;\r | |
154 | UINT16 DefaultId;\r | |
155 | SKU_ID SkuId;\r | |
156 | UINTN FullSize;\r | |
157 | UINTN Index;\r | |
158 | UINT8 *DataBuffer;\r | |
159 | UINT8 *VarStoreHobData;\r | |
160 | UINT8 *BufferEnd;\r | |
161 | BOOLEAN IsFound;\r | |
162 | VARIABLE_STORE_HEADER *NvStoreBuffer;\r | |
163 | PCD_DEFAULT_DATA *DataHeader;\r | |
164 | PCD_DEFAULT_INFO *DefaultInfo;\r | |
165 | PCD_DATA_DELTA *DeltaData;\r | |
166 | \r | |
167 | DefaultId = *(UINT16 *) TokenData;\r | |
168 | SkuId = GetPcdDatabase()->SystemSkuId;\r | |
169 | IsFound = FALSE;\r | |
170 | \r | |
171 | if (PeiPcdGetSizeEx (&gEfiMdeModulePkgTokenSpaceGuid, PcdToken (PcdNvStoreDefaultValueBuffer)) > sizeof (PCD_NV_STORE_DEFAULT_BUFFER_HEADER)) {\r | |
172 | DataBuffer = (UINT8 *) PeiPcdGetPtrEx (&gEfiMdeModulePkgTokenSpaceGuid, PcdToken (PcdNvStoreDefaultValueBuffer));\r | |
173 | FullSize = ((PCD_NV_STORE_DEFAULT_BUFFER_HEADER *) DataBuffer)->Length;\r | |
174 | DataHeader = (PCD_DEFAULT_DATA *) (DataBuffer + sizeof (PCD_NV_STORE_DEFAULT_BUFFER_HEADER));\r | |
175 | //\r | |
176 | // The first section data includes NV storage default setting.\r | |
177 | //\r | |
178 | NvStoreBuffer = (VARIABLE_STORE_HEADER *) ((UINT8 *) DataHeader + sizeof (DataHeader->DataSize) + DataHeader->HeaderSize);\r | |
179 | VarStoreHobData = (UINT8 *) BuildGuidHob (&NvStoreBuffer->Signature, NvStoreBuffer->Size);\r | |
180 | ASSERT (VarStoreHobData != NULL);\r | |
181 | CopyMem (VarStoreHobData, NvStoreBuffer, NvStoreBuffer->Size);\r | |
182 | //\r | |
183 | // Find the matched SkuId and DefaultId in the first section\r | |
184 | //\r | |
185 | DefaultInfo = &(DataHeader->DefaultInfo[0]);\r | |
186 | BufferEnd = (UINT8 *) DataHeader + sizeof (DataHeader->DataSize) + DataHeader->HeaderSize;\r | |
187 | while ((UINT8 *) DefaultInfo < BufferEnd) {\r | |
188 | if (DefaultInfo->DefaultId == DefaultId && DefaultInfo->SkuId == SkuId) {\r | |
189 | IsFound = TRUE;\r | |
190 | break;\r | |
191 | }\r | |
192 | DefaultInfo ++;\r | |
193 | }\r | |
194 | //\r | |
195 | // Find the matched SkuId and DefaultId in the remaining section\r | |
196 | //\r | |
197 | Index = sizeof (PCD_NV_STORE_DEFAULT_BUFFER_HEADER) + ((DataHeader->DataSize + 7) & (~7));\r | |
198 | DataHeader = (PCD_DEFAULT_DATA *) (DataBuffer + Index);\r | |
199 | while (!IsFound && Index < FullSize && DataHeader->DataSize != 0xFFFFFFFF) {\r | |
200 | DefaultInfo = &(DataHeader->DefaultInfo[0]);\r | |
201 | BufferEnd = (UINT8 *) DataHeader + sizeof (DataHeader->DataSize) + DataHeader->HeaderSize;\r | |
202 | while ((UINT8 *) DefaultInfo < BufferEnd) {\r | |
203 | if (DefaultInfo->DefaultId == DefaultId && DefaultInfo->SkuId == SkuId) {\r | |
204 | IsFound = TRUE;\r | |
205 | break;\r | |
206 | }\r | |
207 | DefaultInfo ++;\r | |
208 | }\r | |
209 | if (IsFound) {\r | |
210 | DeltaData = (PCD_DATA_DELTA *) BufferEnd;\r | |
211 | BufferEnd = (UINT8 *) DataHeader + DataHeader->DataSize;\r | |
212 | while ((UINT8 *) DeltaData < BufferEnd) {\r | |
213 | *(VarStoreHobData + DeltaData->Offset) = (UINT8) DeltaData->Value;\r | |
214 | DeltaData ++;\r | |
215 | }\r | |
216 | break;\r | |
217 | }\r | |
218 | Index = (Index + DataHeader->DataSize + 7) & (~7) ;\r | |
219 | DataHeader = (PCD_DEFAULT_DATA *) (DataBuffer + Index);\r | |
220 | }\r | |
221 | }\r | |
222 | \r | |
223 | Status = PcdUnRegisterCallBackOnSet (\r | |
224 | &gEfiMdeModulePkgTokenSpaceGuid,\r | |
225 | PcdToken(PcdSetNvStoreDefaultId),\r | |
226 | PcdSetNvStoreDefaultIdCallBack\r | |
227 | );\r | |
228 | ASSERT_EFI_ERROR (Status);\r | |
229 | }\r | |
230 | \r | |
fc547e08 | 231 | /**\r |
232 | Main entry for PCD PEIM driver.\r | |
233 | \r | |
8a541f0a | 234 | This routine initialize the PCD database for PEI phase and install PCD_PPI/EFI_PEI_PCD_PPI.\r |
80408db0 | 235 | \r |
8bd22b8a LG |
236 | @param FileHandle Handle of the file being invoked.\r |
237 | @param PeiServices Describes the list of possible PEI Services.\r | |
80408db0 | 238 | \r |
fc547e08 | 239 | @return Status of install PCD_PPI\r |
240 | \r | |
241 | **/\r | |
80408db0 | 242 | EFI_STATUS\r |
243 | EFIAPI\r | |
244 | PcdPeimInit (\r | |
8bd22b8a LG |
245 | IN EFI_PEI_FILE_HANDLE FileHandle,\r |
246 | IN CONST EFI_PEI_SERVICES **PeiServices\r | |
80408db0 | 247 | )\r |
248 | {\r | |
a78d3a27 | 249 | EFI_STATUS Status;\r |
96d6d004 | 250 | \r |
a78d3a27 | 251 | BuildPcdDatabase (FileHandle);\r |
80408db0 | 252 | \r |
8a541f0a | 253 | //\r |
17e7fa8f | 254 | // Install PCD_PPI and EFI_PEI_PCD_PPI.\r |
8a541f0a | 255 | //\r |
17e7fa8f | 256 | Status = PeiServicesInstallPpi (&mPpiList[0]);\r |
8a541f0a | 257 | ASSERT_EFI_ERROR (Status);\r |
96d6d004 SZ |
258 | \r |
259 | //\r | |
85d0b97d | 260 | // Install GET_PCD_INFO_PPI and EFI_GET_PCD_INFO_PPI.\r |
96d6d004 | 261 | //\r |
85d0b97d SZ |
262 | Status = PeiServicesInstallPpi (&mPpiList2[0]);\r |
263 | ASSERT_EFI_ERROR (Status);\r | |
96d6d004 | 264 | \r |
219247e1 LG |
265 | Status = PeiRegisterCallBackOnSet (\r |
266 | &gEfiMdeModulePkgTokenSpaceGuid,\r | |
267 | PcdToken(PcdSetNvStoreDefaultId),\r | |
268 | PcdSetNvStoreDefaultIdCallBack\r | |
269 | );\r | |
270 | ASSERT_EFI_ERROR (Status);\r | |
271 | \r | |
8a541f0a | 272 | return Status;\r |
80408db0 | 273 | }\r |
274 | \r | |
96d6d004 SZ |
275 | /**\r |
276 | Retrieve additional information associated with a PCD token in the default token space.\r | |
277 | \r | |
278 | This includes information such as the type of value the TokenNumber is associated with as well as possible\r | |
279 | human readable name that is associated with the token.\r | |
280 | \r | |
281 | @param[in] TokenNumber The PCD token number.\r | |
282 | @param[out] PcdInfo The returned information associated with the requested TokenNumber.\r | |
283 | The caller is responsible for freeing the buffer that is allocated by callee for PcdInfo->PcdName.\r | |
284 | \r | |
285 | @retval EFI_SUCCESS The PCD information was returned successfully.\r | |
286 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
287 | **/\r | |
288 | EFI_STATUS\r | |
289 | EFIAPI\r | |
290 | PeiGetPcdInfoGetInfo (\r | |
291 | IN UINTN TokenNumber,\r | |
292 | OUT EFI_PCD_INFO *PcdInfo\r | |
293 | )\r | |
294 | {\r | |
295 | return PeiGetPcdInfo (NULL, TokenNumber, PcdInfo);\r | |
296 | }\r | |
297 | \r | |
298 | /**\r | |
299 | Retrieve additional information associated with a PCD token.\r | |
300 | \r | |
301 | This includes information such as the type of value the TokenNumber is associated with as well as possible\r | |
302 | human readable name that is associated with the token.\r | |
303 | \r | |
304 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r | |
305 | @param[in] TokenNumber The PCD token number.\r | |
306 | @param[out] PcdInfo The returned information associated with the requested TokenNumber.\r | |
307 | The caller is responsible for freeing the buffer that is allocated by callee for PcdInfo->PcdName.\r | |
308 | \r | |
309 | @retval EFI_SUCCESS The PCD information was returned successfully.\r | |
310 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
311 | **/\r | |
312 | EFI_STATUS\r | |
313 | EFIAPI\r | |
314 | PeiGetPcdInfoGetInfoEx (\r | |
315 | IN CONST EFI_GUID *Guid,\r | |
316 | IN UINTN TokenNumber,\r | |
317 | OUT EFI_PCD_INFO *PcdInfo\r | |
318 | )\r | |
319 | {\r | |
320 | return PeiGetPcdInfo (Guid, TokenNumber, PcdInfo);\r | |
321 | }\r | |
322 | \r | |
323 | /**\r | |
324 | Retrieve the currently set SKU Id.\r | |
325 | \r | |
326 | @return The currently set SKU Id. If the platform has not set at a SKU Id, then the\r | |
327 | default SKU Id value of 0 is returned. If the platform has set a SKU Id, then the currently set SKU\r | |
328 | Id is returned.\r | |
329 | **/\r | |
330 | UINTN\r | |
331 | EFIAPI\r | |
332 | PeiGetPcdInfoGetSku (\r | |
333 | VOID\r | |
334 | )\r | |
335 | {\r | |
b6e89910 | 336 | return (UINTN) GetPcdDatabase()->SystemSkuId;\r |
96d6d004 SZ |
337 | }\r |
338 | \r | |
fc547e08 | 339 | /**\r |
340 | Sets the SKU value for subsequent calls to set or get PCD token values.\r | |
341 | \r | |
342 | SetSku() sets the SKU Id to be used for subsequent calls to set or get PCD values. \r | |
343 | SetSku() is normally called only once by the system.\r | |
344 | \r | |
345 | For each item (token), the database can hold a single value that applies to all SKUs, \r | |
346 | or multiple values, where each value is associated with a specific SKU Id. Items with multiple, \r | |
347 | SKU-specific values are called SKU enabled. \r | |
348 | \r | |
120ca3ce | 349 | The SKU Id of zero is reserved as a default.\r |
fc547e08 | 350 | For tokens that are not SKU enabled, the system ignores any set SKU Id and works with the \r |
351 | single value for that token. For SKU-enabled tokens, the system will use the SKU Id set by the \r | |
352 | last call to SetSku(). If no SKU Id is set or the currently set SKU Id isn't valid for the specified token, \r | |
353 | the system uses the default SKU Id. If the system attempts to use the default SKU Id and no value has been \r | |
354 | set for that Id, the results are unpredictable.\r | |
355 | \r | |
356 | @param[in] SkuId The SKU value that will be used when the PCD service will retrieve and \r | |
357 | set values associated with a PCD token.\r | |
358 | \r | |
fc547e08 | 359 | **/\r |
80408db0 | 360 | VOID\r |
361 | EFIAPI\r | |
362 | PeiPcdSetSku (\r | |
363 | IN UINTN SkuId\r | |
364 | )\r | |
365 | {\r | |
85d0b97d SZ |
366 | PEI_PCD_DATABASE *PeiPcdDb;\r |
367 | SKU_ID *SkuIdTable;\r | |
368 | UINTN Index;\r | |
369 | \r | |
370 | PeiPcdDb = GetPcdDatabase();\r | |
2db48a1f SZ |
371 | \r |
372 | if (SkuId == PeiPcdDb->SystemSkuId) {\r | |
373 | //\r | |
374 | // The input SKU Id is equal to current SKU Id, return directly.\r | |
375 | //\r | |
376 | return;\r | |
377 | }\r | |
378 | \r | |
379 | if (PeiPcdDb->SystemSkuId != (SKU_ID) 0) {\r | |
380 | DEBUG ((DEBUG_ERROR, "PcdPei - The SKU Id could be changed only once."));\r | |
381 | DEBUG ((\r | |
382 | DEBUG_ERROR,\r | |
383 | "PcdPei - The SKU Id was set to 0x%lx already, it could not be set to 0x%lx any more.",\r | |
384 | PeiPcdDb->SystemSkuId,\r | |
385 | (SKU_ID) SkuId\r | |
386 | ));\r | |
387 | ASSERT (FALSE);\r | |
388 | return;\r | |
389 | }\r | |
390 | \r | |
85d0b97d SZ |
391 | SkuIdTable = (SKU_ID *) ((UINT8 *) PeiPcdDb + PeiPcdDb->SkuIdTableOffset);\r |
392 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r | |
393 | if (SkuId == SkuIdTable[Index + 1]) {\r | |
2db48a1f | 394 | DEBUG ((EFI_D_INFO, "PcdPei - Set current SKU Id to 0x%lx.\n", (SKU_ID) SkuId));\r |
85d0b97d SZ |
395 | PeiPcdDb->SystemSkuId = (SKU_ID) SkuId;\r |
396 | return;\r | |
397 | }\r | |
398 | }\r | |
80408db0 | 399 | \r |
85d0b97d | 400 | //\r |
2db48a1f | 401 | // Invalid input SkuId, the default SKU Id will be still used for the system.\r |
85d0b97d | 402 | //\r |
2db48a1f | 403 | DEBUG ((EFI_D_INFO, "PcdPei - Invalid input SkuId, the default SKU Id will be still used.\n"));\r |
80408db0 | 404 | return;\r |
405 | }\r | |
406 | \r | |
fc547e08 | 407 | /**\r |
408 | Retrieves an 8-bit value for a given PCD token.\r | |
80408db0 | 409 | \r |
fc547e08 | 410 | Retrieves the current byte-sized value for a PCD token number. \r |
411 | If the TokenNumber is invalid, the results are unpredictable.\r | |
412 | \r | |
413 | @param[in] TokenNumber The PCD token number. \r | |
80408db0 | 414 | \r |
fc547e08 | 415 | @return The UINT8 value.\r |
416 | \r | |
417 | **/\r | |
80408db0 | 418 | UINT8\r |
419 | EFIAPI\r | |
420 | PeiPcdGet8 (\r | |
421 | IN UINTN TokenNumber\r | |
422 | )\r | |
423 | {\r | |
424 | return *((UINT8 *) GetWorker (TokenNumber, sizeof (UINT8)));\r | |
425 | }\r | |
426 | \r | |
fc547e08 | 427 | /**\r |
428 | Retrieves an 16-bit value for a given PCD token.\r | |
80408db0 | 429 | \r |
fc547e08 | 430 | Retrieves the current 16-bits value for a PCD token number. \r |
431 | If the TokenNumber is invalid, the results are unpredictable.\r | |
432 | \r | |
433 | @param[in] TokenNumber The PCD token number. \r | |
80408db0 | 434 | \r |
fc547e08 | 435 | @return The UINT16 value.\r |
436 | \r | |
437 | **/\r | |
80408db0 | 438 | UINT16\r |
439 | EFIAPI\r | |
440 | PeiPcdGet16 (\r | |
441 | IN UINTN TokenNumber\r | |
442 | )\r | |
443 | {\r | |
444 | return ReadUnaligned16 (GetWorker (TokenNumber, sizeof (UINT16)));\r | |
445 | }\r | |
446 | \r | |
fc547e08 | 447 | /**\r |
448 | Retrieves an 32-bit value for a given PCD token.\r | |
80408db0 | 449 | \r |
fc547e08 | 450 | Retrieves the current 32-bits value for a PCD token number. \r |
451 | If the TokenNumber is invalid, the results are unpredictable.\r | |
452 | \r | |
453 | @param[in] TokenNumber The PCD token number. \r | |
80408db0 | 454 | \r |
fc547e08 | 455 | @return The UINT32 value.\r |
456 | \r | |
457 | **/\r | |
80408db0 | 458 | UINT32\r |
459 | EFIAPI\r | |
460 | PeiPcdGet32 (\r | |
461 | IN UINTN TokenNumber\r | |
462 | )\r | |
463 | {\r | |
464 | return ReadUnaligned32 (GetWorker (TokenNumber, sizeof (UINT32)));\r | |
465 | }\r | |
466 | \r | |
fc547e08 | 467 | /**\r |
468 | Retrieves an 64-bit value for a given PCD token.\r | |
80408db0 | 469 | \r |
fc547e08 | 470 | Retrieves the current 64-bits value for a PCD token number. \r |
471 | If the TokenNumber is invalid, the results are unpredictable.\r | |
472 | \r | |
473 | @param[in] TokenNumber The PCD token number. \r | |
80408db0 | 474 | \r |
fc547e08 | 475 | @return The UINT64 value.\r |
476 | \r | |
477 | **/\r | |
80408db0 | 478 | UINT64\r |
479 | EFIAPI\r | |
480 | PeiPcdGet64 (\r | |
481 | IN UINTN TokenNumber\r | |
482 | )\r | |
483 | {\r | |
484 | return ReadUnaligned64 (GetWorker (TokenNumber, sizeof (UINT64)));\r | |
485 | }\r | |
486 | \r | |
fc547e08 | 487 | /**\r |
488 | Retrieves a pointer to a value for a given PCD token.\r | |
489 | \r | |
490 | Retrieves the current pointer to the buffer for a PCD token number. \r | |
491 | Do not make any assumptions about the alignment of the pointer that \r | |
492 | is returned by this function call. If the TokenNumber is invalid, \r | |
493 | the results are unpredictable.\r | |
80408db0 | 494 | \r |
fc547e08 | 495 | @param[in] TokenNumber The PCD token number. \r |
80408db0 | 496 | \r |
3fd8027e | 497 | @return The pointer to the buffer to be retrieved.\r |
fc547e08 | 498 | \r |
499 | **/\r | |
80408db0 | 500 | VOID *\r |
501 | EFIAPI\r | |
502 | PeiPcdGetPtr (\r | |
503 | IN UINTN TokenNumber\r | |
504 | )\r | |
505 | {\r | |
506 | return GetWorker (TokenNumber, 0);\r | |
507 | }\r | |
508 | \r | |
fc547e08 | 509 | /**\r |
510 | Retrieves a Boolean value for a given PCD token.\r | |
80408db0 | 511 | \r |
fc547e08 | 512 | Retrieves the current boolean value for a PCD token number. \r |
513 | Do not make any assumptions about the alignment of the pointer that \r | |
514 | is returned by this function call. If the TokenNumber is invalid, \r | |
515 | the results are unpredictable.\r | |
80408db0 | 516 | \r |
fc547e08 | 517 | @param[in] TokenNumber The PCD token number. \r |
518 | \r | |
519 | @return The Boolean value.\r | |
520 | \r | |
521 | **/\r | |
80408db0 | 522 | BOOLEAN\r |
523 | EFIAPI\r | |
524 | PeiPcdGetBool (\r | |
525 | IN UINTN TokenNumber\r | |
526 | )\r | |
527 | {\r | |
528 | return *((BOOLEAN *) GetWorker (TokenNumber, sizeof (BOOLEAN)));\r | |
529 | }\r | |
530 | \r | |
fc547e08 | 531 | /**\r |
532 | Retrieves the size of the value for a given PCD token.\r | |
533 | \r | |
534 | Retrieves the current size of a particular PCD token. \r | |
535 | If the TokenNumber is invalid, the results are unpredictable.\r | |
80408db0 | 536 | \r |
fc547e08 | 537 | @param[in] TokenNumber The PCD token number. \r |
80408db0 | 538 | \r |
fc547e08 | 539 | @return The size of the value for the PCD token.\r |
540 | \r | |
541 | **/\r | |
80408db0 | 542 | UINTN\r |
543 | EFIAPI\r | |
544 | PeiPcdGetSize (\r | |
545 | IN UINTN TokenNumber\r | |
546 | )\r | |
547 | {\r | |
548 | PEI_PCD_DATABASE *PeiPcdDb;\r | |
549 | UINTN Size;\r | |
550 | UINTN MaxSize;\r | |
419db80b | 551 | UINT32 LocalTokenCount;\r |
80408db0 | 552 | \r |
419db80b BF |
553 | PeiPcdDb = GetPcdDatabase ();\r |
554 | LocalTokenCount = PeiPcdDb->LocalTokenCount;\r | |
80408db0 | 555 | //\r |
556 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
557 | // We have to decrement TokenNumber by 1 to make it usable\r | |
558 | // as the array index.\r | |
559 | //\r | |
560 | TokenNumber--;\r | |
561 | \r | |
562 | // EBC compiler is very choosy. It may report warning about comparison\r | |
563 | // between UINTN and 0 . So we add 1 in each size of the \r | |
564 | // comparison.\r | |
419db80b | 565 | ASSERT (TokenNumber + 1 < (LocalTokenCount + 1));\r |
80408db0 | 566 | \r |
419db80b | 567 | Size = (*((UINT32 *)((UINT8 *)PeiPcdDb + PeiPcdDb->LocalTokenNumberTableOffset) + TokenNumber) & PCD_DATUM_TYPE_ALL_SET) >> PCD_DATUM_TYPE_SHIFT;\r |
80408db0 | 568 | \r |
569 | if (Size == 0) {\r | |
570 | //\r | |
571 | // For pointer type, we need to scan the SIZE_TABLE to get the current size.\r | |
572 | //\r | |
573 | return GetPtrTypeSize (TokenNumber, &MaxSize, PeiPcdDb);\r | |
574 | } else {\r | |
575 | return Size;\r | |
576 | }\r | |
577 | \r | |
578 | }\r | |
579 | \r | |
fc547e08 | 580 | /**\r |
581 | Retrieves an 8-bit value for a given PCD token.\r | |
80408db0 | 582 | \r |
fc547e08 | 583 | Retrieves the 8-bit value of a particular PCD token. \r |
584 | If the TokenNumber is invalid or the token space\r | |
585 | specified by Guid does not exist, the results are \r | |
586 | unpredictable.\r | |
80408db0 | 587 | \r |
fc547e08 | 588 | @param[in] Guid The token space for the token number.\r |
589 | @param[in] ExTokenNumber The PCD token number. \r | |
590 | \r | |
591 | @return The size 8-bit value for the PCD token.\r | |
592 | \r | |
593 | **/\r | |
80408db0 | 594 | UINT8\r |
595 | EFIAPI\r | |
596 | PeiPcdGet8Ex (\r | |
597 | IN CONST EFI_GUID *Guid,\r | |
598 | IN UINTN ExTokenNumber\r | |
599 | )\r | |
600 | {\r | |
601 | return *((UINT8 *) ExGetWorker (Guid, ExTokenNumber, sizeof (UINT8)));\r | |
602 | }\r | |
603 | \r | |
fc547e08 | 604 | /**\r |
605 | Retrieves an 16-bit value for a given PCD token.\r | |
80408db0 | 606 | \r |
fc547e08 | 607 | Retrieves the 16-bit value of a particular PCD token. \r |
608 | If the TokenNumber is invalid or the token space\r | |
609 | specified by Guid does not exist, the results are \r | |
610 | unpredictable.\r | |
80408db0 | 611 | \r |
fc547e08 | 612 | @param[in] Guid The token space for the token number.\r |
613 | @param[in] ExTokenNumber The PCD token number. \r | |
614 | \r | |
615 | @return The size 16-bit value for the PCD token.\r | |
616 | \r | |
617 | **/\r | |
80408db0 | 618 | UINT16\r |
619 | EFIAPI\r | |
620 | PeiPcdGet16Ex (\r | |
621 | IN CONST EFI_GUID *Guid,\r | |
622 | IN UINTN ExTokenNumber\r | |
623 | )\r | |
624 | {\r | |
625 | return ReadUnaligned16 (ExGetWorker (Guid, ExTokenNumber, sizeof (UINT16)));\r | |
626 | }\r | |
627 | \r | |
fc547e08 | 628 | /**\r |
629 | Retrieves an 32-bit value for a given PCD token.\r | |
630 | \r | |
631 | Retrieves the 32-bit value of a particular PCD token. \r | |
632 | If the TokenNumber is invalid or the token space\r | |
633 | specified by Guid does not exist, the results are \r | |
634 | unpredictable.\r | |
80408db0 | 635 | \r |
fc547e08 | 636 | @param[in] Guid The token space for the token number.\r |
637 | @param[in] ExTokenNumber The PCD token number. \r | |
80408db0 | 638 | \r |
fc547e08 | 639 | @return The size 32-bit value for the PCD token.\r |
640 | \r | |
641 | **/\r | |
80408db0 | 642 | UINT32\r |
643 | EFIAPI\r | |
644 | PeiPcdGet32Ex (\r | |
645 | IN CONST EFI_GUID *Guid,\r | |
646 | IN UINTN ExTokenNumber\r | |
647 | )\r | |
648 | {\r | |
649 | return ReadUnaligned32 (ExGetWorker (Guid, ExTokenNumber, sizeof (UINT32)));\r | |
650 | }\r | |
651 | \r | |
fc547e08 | 652 | /**\r |
653 | Retrieves an 64-bit value for a given PCD token.\r | |
654 | \r | |
655 | Retrieves the 64-bit value of a particular PCD token. \r | |
656 | If the TokenNumber is invalid or the token space\r | |
657 | specified by Guid does not exist, the results are \r | |
658 | unpredictable.\r | |
80408db0 | 659 | \r |
fc547e08 | 660 | @param[in] Guid The token space for the token number.\r |
661 | @param[in] ExTokenNumber The PCD token number. \r | |
80408db0 | 662 | \r |
fc547e08 | 663 | @return The size 64-bit value for the PCD token.\r |
664 | \r | |
665 | **/\r | |
80408db0 | 666 | UINT64\r |
667 | EFIAPI\r | |
668 | PeiPcdGet64Ex (\r | |
669 | IN CONST EFI_GUID *Guid,\r | |
670 | IN UINTN ExTokenNumber\r | |
671 | )\r | |
672 | {\r | |
673 | return ReadUnaligned64 (ExGetWorker (Guid, ExTokenNumber, sizeof (UINT64)));\r | |
674 | }\r | |
675 | \r | |
fc547e08 | 676 | /**\r |
677 | Retrieves a pointer to a value for a given PCD token.\r | |
80408db0 | 678 | \r |
fc547e08 | 679 | Retrieves the current pointer to the buffer for a PCD token number. \r |
680 | Do not make any assumptions about the alignment of the pointer that \r | |
681 | is returned by this function call. If the TokenNumber is invalid, \r | |
682 | the results are unpredictable.\r | |
80408db0 | 683 | \r |
fc547e08 | 684 | @param[in] Guid The token space for the token number.\r |
685 | @param[in] ExTokenNumber The PCD token number. \r | |
686 | \r | |
3fd8027e | 687 | @return The pointer to the buffer to be retrieved.\r |
fc547e08 | 688 | \r |
689 | **/\r | |
80408db0 | 690 | VOID *\r |
691 | EFIAPI\r | |
692 | PeiPcdGetPtrEx (\r | |
693 | IN CONST EFI_GUID *Guid,\r | |
694 | IN UINTN ExTokenNumber\r | |
695 | )\r | |
696 | {\r | |
697 | return ExGetWorker (Guid, ExTokenNumber, 0);\r | |
698 | }\r | |
699 | \r | |
fc547e08 | 700 | /**\r |
701 | Retrieves an Boolean value for a given PCD token.\r | |
702 | \r | |
703 | Retrieves the Boolean value of a particular PCD token. \r | |
704 | If the TokenNumber is invalid or the token space\r | |
705 | specified by Guid does not exist, the results are \r | |
706 | unpredictable.\r | |
80408db0 | 707 | \r |
fc547e08 | 708 | @param[in] Guid The token space for the token number.\r |
709 | @param[in] ExTokenNumber The PCD token number. \r | |
80408db0 | 710 | \r |
fc547e08 | 711 | @return The size Boolean value for the PCD token.\r |
712 | \r | |
713 | **/\r | |
80408db0 | 714 | BOOLEAN\r |
715 | EFIAPI\r | |
716 | PeiPcdGetBoolEx (\r | |
717 | IN CONST EFI_GUID *Guid,\r | |
718 | IN UINTN ExTokenNumber\r | |
719 | )\r | |
720 | {\r | |
721 | return *((BOOLEAN *) ExGetWorker (Guid, ExTokenNumber, sizeof (BOOLEAN)));\r | |
722 | }\r | |
723 | \r | |
fc547e08 | 724 | /**\r |
725 | Retrieves the size of the value for a given PCD token.\r | |
726 | \r | |
727 | Retrieves the current size of a particular PCD token. \r | |
728 | If the TokenNumber is invalid, the results are unpredictable.\r | |
80408db0 | 729 | \r |
fc547e08 | 730 | @param[in] Guid The token space for the token number.\r |
731 | @param[in] ExTokenNumber The PCD token number. \r | |
80408db0 | 732 | \r |
fc547e08 | 733 | @return The size of the value for the PCD token.\r |
734 | \r | |
735 | **/\r | |
80408db0 | 736 | UINTN\r |
737 | EFIAPI\r | |
738 | PeiPcdGetSizeEx (\r | |
739 | IN CONST EFI_GUID *Guid,\r | |
740 | IN UINTN ExTokenNumber\r | |
741 | )\r | |
742 | {\r | |
80408db0 | 743 | return PeiPcdGetSize (GetExPcdTokenNumber (Guid, ExTokenNumber));\r |
744 | }\r | |
745 | \r | |
fc547e08 | 746 | /**\r |
747 | Sets an 8-bit value for a given PCD token.\r | |
80408db0 | 748 | \r |
fc547e08 | 749 | When the PCD service sets a value, it will check to ensure that the \r |
750 | size of the value being set is compatible with the Token's existing definition. \r | |
751 | If it is not, an error will be returned.\r | |
80408db0 | 752 | \r |
fc547e08 | 753 | @param[in] TokenNumber The PCD token number. \r |
754 | @param[in] Value The value to set for the PCD token.\r | |
755 | \r | |
756 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
757 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
758 | being set was incompatible with a call to this function. \r | |
759 | Use GetSize() to retrieve the size of the target data.\r | |
760 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
761 | \r | |
762 | **/\r | |
80408db0 | 763 | EFI_STATUS\r |
764 | EFIAPI\r | |
765 | PeiPcdSet8 (\r | |
766 | IN UINTN TokenNumber,\r | |
767 | IN UINT8 Value\r | |
768 | )\r | |
769 | {\r | |
770 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r | |
771 | }\r | |
772 | \r | |
fc547e08 | 773 | /**\r |
774 | Sets an 16-bit value for a given PCD token.\r | |
775 | \r | |
776 | When the PCD service sets a value, it will check to ensure that the \r | |
777 | size of the value being set is compatible with the Token's existing definition. \r | |
778 | If it is not, an error will be returned.\r | |
80408db0 | 779 | \r |
fc547e08 | 780 | @param[in] TokenNumber The PCD token number. \r |
781 | @param[in] Value The value to set for the PCD token.\r | |
80408db0 | 782 | \r |
fc547e08 | 783 | @retval EFI_SUCCESS Procedure returned successfully.\r |
784 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
785 | being set was incompatible with a call to this function. \r | |
786 | Use GetSize() to retrieve the size of the target data.\r | |
787 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
788 | \r | |
789 | **/\r | |
80408db0 | 790 | EFI_STATUS\r |
791 | EFIAPI\r | |
792 | PeiPcdSet16 (\r | |
793 | IN UINTN TokenNumber,\r | |
794 | IN UINT16 Value\r | |
795 | )\r | |
796 | {\r | |
797 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r | |
798 | }\r | |
799 | \r | |
fc547e08 | 800 | /**\r |
801 | Sets an 32-bit value for a given PCD token.\r | |
80408db0 | 802 | \r |
fc547e08 | 803 | When the PCD service sets a value, it will check to ensure that the \r |
804 | size of the value being set is compatible with the Token's existing definition. \r | |
805 | If it is not, an error will be returned.\r | |
80408db0 | 806 | \r |
fc547e08 | 807 | @param[in] TokenNumber The PCD token number. \r |
808 | @param[in] Value The value to set for the PCD token.\r | |
809 | \r | |
810 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
811 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
812 | being set was incompatible with a call to this function. \r | |
813 | Use GetSize() to retrieve the size of the target data.\r | |
814 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
815 | \r | |
816 | **/\r | |
80408db0 | 817 | EFI_STATUS\r |
818 | EFIAPI\r | |
819 | PeiPcdSet32 (\r | |
820 | IN UINTN TokenNumber,\r | |
821 | IN UINT32 Value\r | |
822 | )\r | |
823 | {\r | |
824 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r | |
825 | }\r | |
826 | \r | |
fc547e08 | 827 | /**\r |
828 | Sets an 64-bit value for a given PCD token.\r | |
829 | \r | |
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 | |
832 | If it is not, an error will be returned.\r | |
80408db0 | 833 | \r |
fc547e08 | 834 | @param[in] TokenNumber The PCD token number. \r |
835 | @param[in] Value The value to set for the PCD token.\r | |
80408db0 | 836 | \r |
fc547e08 | 837 | @retval EFI_SUCCESS Procedure returned successfully.\r |
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 | |
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 | |
842 | \r | |
843 | **/\r | |
80408db0 | 844 | EFI_STATUS\r |
845 | EFIAPI\r | |
846 | PeiPcdSet64 (\r | |
847 | IN UINTN TokenNumber,\r | |
848 | IN UINT64 Value\r | |
849 | )\r | |
850 | {\r | |
851 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r | |
852 | }\r | |
853 | \r | |
fc547e08 | 854 | /**\r |
855 | Sets a value of a specified size for a given PCD token.\r | |
856 | \r | |
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 | |
859 | If it is not, an error will be returned.\r | |
860 | \r | |
861 | @param[in] TokenNumber The PCD token number. \r | |
862 | @param[in, out] SizeOfBuffer A pointer to the length of the value being set for the PCD token. \r | |
863 | On input, if the SizeOfValue is greater than the maximum size supported \r | |
864 | for this TokenNumber then the output value of SizeOfValue will reflect \r | |
865 | the maximum size supported for this TokenNumber.\r | |
866 | @param[in] Buffer The buffer to set for the PCD token.\r | |
867 | \r | |
868 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
869 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
870 | being set was incompatible with a call to this function. \r | |
871 | Use GetSize() to retrieve the size of the target data.\r | |
872 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
873 | \r | |
874 | **/\r | |
80408db0 | 875 | EFI_STATUS\r |
876 | EFIAPI\r | |
877 | PeiPcdSetPtr (\r | |
878 | IN UINTN TokenNumber,\r | |
879 | IN OUT UINTN *SizeOfBuffer,\r | |
880 | IN VOID *Buffer\r | |
881 | )\r | |
882 | {\r | |
883 | return SetWorker (TokenNumber, Buffer, SizeOfBuffer, TRUE);\r | |
884 | }\r | |
885 | \r | |
fc547e08 | 886 | /**\r |
887 | Sets an Boolean value for a given PCD token.\r | |
80408db0 | 888 | \r |
fc547e08 | 889 | When the PCD service sets a value, it will check to ensure that the \r |
890 | size of the value being set is compatible with the Token's existing definition. \r | |
891 | If it is not, an error will be returned.\r | |
80408db0 | 892 | \r |
fc547e08 | 893 | @param[in] TokenNumber The PCD token number. \r |
894 | @param[in] Value The value to set for the PCD token.\r | |
895 | \r | |
896 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
897 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
898 | being set was incompatible with a call to this function. \r | |
899 | Use GetSize() to retrieve the size of the target data.\r | |
900 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
901 | \r | |
902 | **/\r | |
80408db0 | 903 | EFI_STATUS\r |
904 | EFIAPI\r | |
905 | PeiPcdSetBool (\r | |
906 | IN UINTN TokenNumber,\r | |
907 | IN BOOLEAN Value\r | |
908 | )\r | |
909 | {\r | |
910 | return SetValueWorker (TokenNumber, &Value, sizeof (Value));\r | |
911 | }\r | |
912 | \r | |
fc547e08 | 913 | /**\r |
914 | Sets an 8-bit value for a given PCD token.\r | |
80408db0 | 915 | \r |
fc547e08 | 916 | When the PCD service sets a value, it will check to ensure that the \r |
917 | size of the value being set is compatible with the Token's existing definition. \r | |
918 | If it is not, an error will be returned.\r | |
80408db0 | 919 | \r |
fc547e08 | 920 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
921 | @param[in] ExTokenNumber The PCD token number. \r | |
922 | @param[in] Value The value to set for the PCD token.\r | |
923 | \r | |
924 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
925 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
926 | being set was incompatible with a call to this function. \r | |
927 | Use GetSize() to retrieve the size of the target data.\r | |
928 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
929 | \r | |
930 | **/\r | |
80408db0 | 931 | EFI_STATUS\r |
932 | EFIAPI\r | |
933 | PeiPcdSet8Ex (\r | |
934 | IN CONST EFI_GUID *Guid,\r | |
935 | IN UINTN ExTokenNumber,\r | |
936 | IN UINT8 Value\r | |
937 | )\r | |
938 | {\r | |
939 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r | |
940 | }\r | |
941 | \r | |
fc547e08 | 942 | /**\r |
943 | Sets an 16-bit value for a given PCD token.\r | |
944 | \r | |
945 | When the PCD service sets a value, it will check to ensure that the \r | |
946 | size of the value being set is compatible with the Token's existing definition. \r | |
947 | If it is not, an error will be returned.\r | |
80408db0 | 948 | \r |
fc547e08 | 949 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
950 | @param[in] ExTokenNumber The PCD token number. \r | |
951 | @param[in] Value The value to set for the PCD token.\r | |
80408db0 | 952 | \r |
fc547e08 | 953 | @retval EFI_SUCCESS Procedure returned successfully.\r |
954 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
955 | being set was incompatible with a call to this function. \r | |
956 | Use GetSize() to retrieve the size of the target data.\r | |
957 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
958 | \r | |
959 | **/\r | |
80408db0 | 960 | EFI_STATUS\r |
961 | EFIAPI\r | |
962 | PeiPcdSet16Ex (\r | |
963 | IN CONST EFI_GUID *Guid,\r | |
964 | IN UINTN ExTokenNumber,\r | |
965 | IN UINT16 Value\r | |
966 | )\r | |
967 | {\r | |
968 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r | |
969 | }\r | |
970 | \r | |
fc547e08 | 971 | /**\r |
972 | Sets an 32-bit value for a given PCD token.\r | |
973 | \r | |
974 | When the PCD service sets a value, it will check to ensure that the \r | |
975 | size of the value being set is compatible with the Token's existing definition. \r | |
976 | If it is not, an error will be returned.\r | |
80408db0 | 977 | \r |
fc547e08 | 978 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
979 | @param[in] ExTokenNumber The PCD token number. \r | |
980 | @param[in] Value The value to set for the PCD token.\r | |
80408db0 | 981 | \r |
fc547e08 | 982 | @retval EFI_SUCCESS Procedure returned successfully.\r |
983 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
984 | being set was incompatible with a call to this function. \r | |
985 | Use GetSize() to retrieve the size of the target data.\r | |
986 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
987 | \r | |
988 | **/\r | |
80408db0 | 989 | EFI_STATUS\r |
990 | EFIAPI\r | |
991 | PeiPcdSet32Ex (\r | |
992 | IN CONST EFI_GUID *Guid,\r | |
993 | IN UINTN ExTokenNumber,\r | |
994 | IN UINT32 Value\r | |
995 | )\r | |
996 | {\r | |
997 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r | |
998 | }\r | |
999 | \r | |
fc547e08 | 1000 | /**\r |
1001 | Sets an 64-bit value for a given PCD token.\r | |
80408db0 | 1002 | \r |
fc547e08 | 1003 | When the PCD service sets a value, it will check to ensure that the \r |
1004 | size of the value being set is compatible with the Token's existing definition. \r | |
1005 | If it is not, an error will be returned.\r | |
80408db0 | 1006 | \r |
fc547e08 | 1007 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
1008 | @param[in] ExTokenNumber The PCD token number. \r | |
1009 | @param[in] Value The value to set for the PCD token.\r | |
1010 | \r | |
1011 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
1012 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
1013 | being set was incompatible with a call to this function. \r | |
1014 | Use GetSize() to retrieve the size of the target data.\r | |
1015 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
1016 | \r | |
1017 | **/\r | |
80408db0 | 1018 | EFI_STATUS\r |
1019 | EFIAPI\r | |
1020 | PeiPcdSet64Ex (\r | |
1021 | IN CONST EFI_GUID *Guid,\r | |
1022 | IN UINTN ExTokenNumber,\r | |
1023 | IN UINT64 Value\r | |
1024 | )\r | |
1025 | {\r | |
1026 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r | |
1027 | }\r | |
1028 | \r | |
fc547e08 | 1029 | /**\r |
1030 | Sets a value of a specified size for a given PCD token.\r | |
1031 | \r | |
1032 | When the PCD service sets a value, it will check to ensure that the \r | |
1033 | size of the value being set is compatible with the Token's existing definition. \r | |
1034 | If it is not, an error will be returned.\r | |
1035 | \r | |
1036 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r | |
1037 | @param[in] ExTokenNumber The PCD token number. \r | |
1038 | @param[in, out] SizeOfBuffer A pointer to the length of the value being set for the PCD token. \r | |
1039 | On input, if the SizeOfValue is greater than the maximum size supported \r | |
1040 | for this TokenNumber then the output value of SizeOfValue will reflect \r | |
1041 | the maximum size supported for this TokenNumber.\r | |
1042 | @param[in] Value The buffer to set for the PCD token.\r | |
1043 | \r | |
1044 | @retval EFI_SUCCESS Procedure returned successfully.\r | |
1045 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
1046 | being set was incompatible with a call to this function. \r | |
1047 | Use GetSize() to retrieve the size of the target data.\r | |
1048 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
1049 | \r | |
1050 | **/\r | |
80408db0 | 1051 | EFI_STATUS\r |
1052 | EFIAPI\r | |
1053 | PeiPcdSetPtrEx (\r | |
fc547e08 | 1054 | IN CONST EFI_GUID *Guid,\r |
1055 | IN UINTN ExTokenNumber,\r | |
1056 | IN OUT UINTN *SizeOfBuffer,\r | |
1057 | IN VOID *Value\r | |
80408db0 | 1058 | )\r |
1059 | {\r | |
1060 | return ExSetWorker (ExTokenNumber, Guid, Value, SizeOfBuffer, TRUE);\r | |
1061 | }\r | |
1062 | \r | |
fc547e08 | 1063 | /**\r |
1064 | Sets an Boolean value for a given PCD token.\r | |
1065 | \r | |
1066 | When the PCD service sets a value, it will check to ensure that the \r | |
1067 | size of the value being set is compatible with the Token's existing definition. \r | |
1068 | If it is not, an error will be returned.\r | |
80408db0 | 1069 | \r |
fc547e08 | 1070 | @param [in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
1071 | @param [in] ExTokenNumber The PCD token number. \r | |
1072 | @param [in] Value The value to set for the PCD token.\r | |
80408db0 | 1073 | \r |
fc547e08 | 1074 | @retval EFI_SUCCESS Procedure returned successfully.\r |
1075 | @retval EFI_INVALID_PARAMETER The PCD service determined that the size of the data \r | |
1076 | being set was incompatible with a call to this function. \r | |
1077 | Use GetSize() to retrieve the size of the target data.\r | |
1078 | @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r | |
1079 | \r | |
1080 | **/\r | |
80408db0 | 1081 | EFI_STATUS\r |
1082 | EFIAPI\r | |
1083 | PeiPcdSetBoolEx (\r | |
1084 | IN CONST EFI_GUID *Guid,\r | |
1085 | IN UINTN ExTokenNumber,\r | |
1086 | IN BOOLEAN Value\r | |
1087 | )\r | |
1088 | {\r | |
1089 | return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));\r | |
1090 | }\r | |
1091 | \r | |
fc547e08 | 1092 | /**\r |
1093 | Specifies a function to be called anytime the value of a designated token is changed.\r | |
80408db0 | 1094 | \r |
fc547e08 | 1095 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
1096 | @param[in] ExTokenNumber The PCD token number. \r | |
1097 | @param[in] CallBackFunction The function prototype called when the value associated with the CallBackToken is set. \r | |
80408db0 | 1098 | \r |
fc547e08 | 1099 | @retval EFI_SUCCESS The PCD service has successfully established a call event \r |
1100 | for the CallBackToken requested.\r | |
1101 | @retval EFI_NOT_FOUND The PCD service could not find the referenced token number.\r | |
80408db0 | 1102 | \r |
fc547e08 | 1103 | **/\r |
80408db0 | 1104 | EFI_STATUS\r |
1105 | EFIAPI\r | |
1106 | PeiRegisterCallBackOnSet (\r | |
1107 | IN CONST EFI_GUID *Guid, OPTIONAL\r | |
1108 | IN UINTN ExTokenNumber,\r | |
1109 | IN PCD_PPI_CALLBACK CallBackFunction\r | |
1110 | )\r | |
1111 | {\r | |
f806dd27 | 1112 | if (!FeaturePcdGet(PcdPeiFullPcdDatabaseEnable)) {\r |
80408db0 | 1113 | return EFI_UNSUPPORTED;\r |
1114 | }\r | |
1115 | \r | |
e4a3922f | 1116 | if (CallBackFunction == NULL) {\r |
1117 | return EFI_INVALID_PARAMETER;\r | |
1118 | }\r | |
1119 | \r | |
80408db0 | 1120 | return PeiRegisterCallBackWorker (ExTokenNumber, Guid, CallBackFunction, TRUE);\r |
1121 | }\r | |
1122 | \r | |
fc547e08 | 1123 | /**\r |
1124 | Cancels a previously set callback function for a particular PCD token number.\r | |
80408db0 | 1125 | \r |
fc547e08 | 1126 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r |
1127 | @param[in] ExTokenNumber The PCD token number. \r | |
1128 | @param[in] CallBackFunction The function prototype called when the value associated with the CallBackToken is set. \r | |
80408db0 | 1129 | \r |
fc547e08 | 1130 | @retval EFI_SUCCESS The PCD service has successfully established a call event \r |
1131 | for the CallBackToken requested.\r | |
1132 | @retval EFI_NOT_FOUND The PCD service could not find the referenced token number.\r | |
1133 | \r | |
1134 | **/\r | |
80408db0 | 1135 | EFI_STATUS\r |
1136 | EFIAPI\r | |
1137 | PcdUnRegisterCallBackOnSet (\r | |
1138 | IN CONST EFI_GUID *Guid, OPTIONAL\r | |
1139 | IN UINTN ExTokenNumber,\r | |
1140 | IN PCD_PPI_CALLBACK CallBackFunction\r | |
1141 | )\r | |
1142 | {\r | |
f806dd27 | 1143 | if (!FeaturePcdGet(PcdPeiFullPcdDatabaseEnable)) {\r |
80408db0 | 1144 | return EFI_UNSUPPORTED;\r |
1145 | }\r | |
1146 | \r | |
e4a3922f | 1147 | if (CallBackFunction == NULL) {\r |
1148 | return EFI_INVALID_PARAMETER;\r | |
1149 | }\r | |
1150 | \r | |
80408db0 | 1151 | return PeiRegisterCallBackWorker (ExTokenNumber, Guid, CallBackFunction, FALSE);\r |
1152 | }\r | |
1153 | \r | |
fc547e08 | 1154 | /**\r |
90e06556 | 1155 | Retrieves the next valid token number in a given namespace. \r |
1156 | \r | |
1157 | This is useful since the PCD infrastructure contains a sparse list of token numbers, \r | |
1158 | and one cannot a priori know what token numbers are valid in the database. \r | |
1159 | \r | |
1160 | If TokenNumber is 0 and Guid is not NULL, then the first token from the token space specified by Guid is returned. \r | |
1161 | If TokenNumber is not 0 and Guid is not NULL, then the next token in the token space specified by Guid is returned. \r | |
1162 | If TokenNumber is 0 and Guid is NULL, then the first token in the default token space is returned. \r | |
1163 | If TokenNumber is not 0 and Guid is NULL, then the next token in the default token space is returned. \r | |
1164 | The token numbers in the default token space may not be related to token numbers in token spaces that are named by Guid. \r | |
1165 | If the next token number can be retrieved, then it is returned in TokenNumber, and EFI_SUCCESS is returned. \r | |
1166 | If TokenNumber represents the last token number in the token space specified by Guid, then EFI_NOT_FOUND is returned. \r | |
1167 | If TokenNumber is not present in the token space specified by Guid, then EFI_NOT_FOUND is returned.\r | |
1168 | \r | |
1169 | \r | |
1170 | @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value. \r | |
1171 | This is an optional parameter that may be NULL. If this parameter is NULL, then a request \r | |
1172 | is being made to retrieve tokens from the default token space.\r | |
1173 | @param[in, out] TokenNumber A pointer to the PCD token number to use to find the subsequent token number.\r | |
1174 | \r | |
419db80b BF |
1175 | @retval EFI_SUCCESS The PCD service has retrieved the next valid token number.\r |
1176 | @retval EFI_NOT_FOUND The PCD service could not find data from the requested token number.\r | |
fc547e08 | 1177 | \r |
1178 | **/\r | |
80408db0 | 1179 | EFI_STATUS\r |
1180 | EFIAPI\r | |
1181 | PeiPcdGetNextToken (\r | |
1182 | IN CONST EFI_GUID *Guid, OPTIONAL\r | |
1183 | IN OUT UINTN *TokenNumber\r | |
1184 | )\r | |
1185 | {\r | |
1186 | UINTN GuidTableIdx;\r | |
1187 | PEI_PCD_DATABASE *PeiPcdDb;\r | |
1188 | EFI_GUID *MatchGuid;\r | |
419db80b | 1189 | EFI_GUID *GuidTable;\r |
80408db0 | 1190 | DYNAMICEX_MAPPING *ExMapTable;\r |
fc547e08 | 1191 | UINTN Index;\r |
80408db0 | 1192 | BOOLEAN Found;\r |
1193 | BOOLEAN PeiExMapTableEmpty;\r | |
419db80b | 1194 | UINTN PeiNexTokenNumber; \r |
80408db0 | 1195 | \r |
f806dd27 | 1196 | if (!FeaturePcdGet (PcdPeiFullPcdDatabaseEnable)) {\r |
80408db0 | 1197 | return EFI_UNSUPPORTED;\r |
1198 | }\r | |
1199 | \r | |
419db80b BF |
1200 | PeiPcdDb = GetPcdDatabase ();\r |
1201 | PeiNexTokenNumber = PeiPcdDb->LocalTokenCount - PeiPcdDb->ExTokenCount;\r | |
1202 | GuidTable = (EFI_GUID *)((UINT8 *)PeiPcdDb + PeiPcdDb->GuidTableOffset);\r | |
80408db0 | 1203 | \r |
419db80b BF |
1204 | if (PeiPcdDb->ExTokenCount == 0) {\r |
1205 | PeiExMapTableEmpty = TRUE;\r | |
1206 | } else {\r | |
1207 | PeiExMapTableEmpty = FALSE;\r | |
1208 | }\r | |
80408db0 | 1209 | if (Guid == NULL) {\r |
419db80b | 1210 | if (*TokenNumber > PeiNexTokenNumber) {\r |
80408db0 | 1211 | return EFI_NOT_FOUND;\r |
1212 | }\r | |
1213 | (*TokenNumber)++;\r | |
419db80b | 1214 | if (*TokenNumber > PeiNexTokenNumber) {\r |
80408db0 | 1215 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r |
419db80b | 1216 | return EFI_NOT_FOUND;\r |
80408db0 | 1217 | }\r |
1218 | return EFI_SUCCESS;\r | |
1219 | } else {\r | |
1220 | if (PeiExMapTableEmpty) {\r | |
419db80b | 1221 | return EFI_NOT_FOUND;\r |
80408db0 | 1222 | }\r |
419db80b BF |
1223 | \r |
1224 | MatchGuid = ScanGuid (GuidTable, PeiPcdDb->GuidTableCount * sizeof(EFI_GUID), Guid);\r | |
80408db0 | 1225 | \r |
1226 | if (MatchGuid == NULL) {\r | |
80408db0 | 1227 | return EFI_NOT_FOUND;\r |
1228 | }\r | |
1229 | \r | |
419db80b | 1230 | GuidTableIdx = MatchGuid - GuidTable;\r |
80408db0 | 1231 | \r |
419db80b | 1232 | ExMapTable = (DYNAMICEX_MAPPING *)((UINT8 *)PeiPcdDb + PeiPcdDb->ExMapTableOffset);\r |
80408db0 | 1233 | \r |
1234 | Found = FALSE;\r | |
1235 | //\r | |
1236 | // Locate the GUID in ExMapTable first.\r | |
1237 | //\r | |
419db80b | 1238 | for (Index = 0; Index < PeiPcdDb->ExTokenCount; Index++) {\r |
fc547e08 | 1239 | if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {\r |
80408db0 | 1240 | Found = TRUE;\r |
1241 | break;\r | |
1242 | }\r | |
1243 | }\r | |
1244 | \r | |
1245 | if (Found) {\r | |
bfb4c2ba CS |
1246 | //\r |
1247 | // If given token number is PCD_INVALID_TOKEN_NUMBER, then return the first\r | |
1248 | // token number in found token space.\r | |
1249 | //\r | |
80408db0 | 1250 | if (*TokenNumber == PCD_INVALID_TOKEN_NUMBER) {\r |
fc547e08 | 1251 | *TokenNumber = ExMapTable[Index].ExTokenNumber;\r |
80408db0 | 1252 | return EFI_SUCCESS;\r |
1253 | }\r | |
1254 | \r | |
419db80b | 1255 | for ( ; Index < PeiPcdDb->ExTokenCount; Index++) {\r |
bfb4c2ba | 1256 | if ((ExMapTable[Index].ExTokenNumber == *TokenNumber) && (ExMapTable[Index].ExGuidIndex == GuidTableIdx)) {\r |
419db80b BF |
1257 | break;\r |
1258 | }\r | |
1259 | }\r | |
1260 | \r | |
1261 | while (Index < PeiPcdDb->ExTokenCount) {\r | |
1262 | Index++;\r | |
1263 | if (Index == PeiPcdDb->ExTokenCount) {\r | |
1264 | //\r | |
1265 | // Exceed the length of ExMap Table\r | |
1266 | //\r | |
1267 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r | |
1268 | return EFI_NOT_FOUND;\r | |
1269 | } else if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {\r | |
1270 | //\r | |
1271 | // Found the next match\r | |
1272 | //\r | |
1273 | *TokenNumber = ExMapTable[Index].ExTokenNumber;\r | |
1274 | return EFI_SUCCESS;\r | |
80408db0 | 1275 | }\r |
1276 | }\r | |
80408db0 | 1277 | }\r |
1278 | }\r | |
1279 | \r | |
1280 | return EFI_NOT_FOUND;\r | |
1281 | }\r | |
1282 | \r | |
fc547e08 | 1283 | /**\r |
1284 | Retrieves the next valid PCD token namespace for a given namespace.\r | |
1285 | \r | |
419db80b BF |
1286 | Gets the next valid token namespace for a given namespace. This is useful to traverse the valid\r |
1287 | token namespaces on a platform.\r | |
1288 | \r | |
1289 | @param[in, out] Guid An indirect pointer to EFI_GUID. On input it designates a known token\r | |
1290 | namespace from which the search will start. On output, it designates the next valid\r | |
1291 | token namespace on the platform. If *Guid is NULL, then the GUID of the first token\r | |
1292 | space of the current platform is returned. If the search cannot locate the next valid\r | |
1293 | token namespace, an error is returned and the value of *Guid is undefined.\r | |
1294 | \r | |
1295 | @retval EFI_SUCCESS The PCD service retrieved the value requested.\r | |
1296 | @retval EFI_NOT_FOUND The PCD service could not find the next valid token namespace.\r | |
80408db0 | 1297 | \r |
fc547e08 | 1298 | **/\r |
80408db0 | 1299 | EFI_STATUS\r |
1300 | EFIAPI\r | |
1301 | PeiPcdGetNextTokenSpace (\r | |
1302 | IN OUT CONST EFI_GUID **Guid\r | |
1303 | )\r | |
1304 | {\r | |
1305 | UINTN GuidTableIdx;\r | |
1306 | EFI_GUID *MatchGuid;\r | |
1307 | PEI_PCD_DATABASE *PeiPcdDb;\r | |
1308 | DYNAMICEX_MAPPING *ExMapTable;\r | |
fc547e08 | 1309 | UINTN Index;\r |
419db80b | 1310 | UINTN Index2;\r |
80408db0 | 1311 | BOOLEAN Found;\r |
1312 | BOOLEAN PeiExMapTableEmpty;\r | |
419db80b | 1313 | EFI_GUID *GuidTable;\r |
80408db0 | 1314 | \r |
f806dd27 | 1315 | if (!FeaturePcdGet (PcdPeiFullPcdDatabaseEnable)) {\r |
80408db0 | 1316 | return EFI_UNSUPPORTED;\r |
1317 | }\r | |
1318 | \r | |
1319 | ASSERT (Guid != NULL);\r | |
1320 | \r | |
419db80b | 1321 | PeiPcdDb = GetPcdDatabase ();\r |
80408db0 | 1322 | \r |
419db80b BF |
1323 | if (PeiPcdDb->ExTokenCount == 0) {\r |
1324 | PeiExMapTableEmpty = TRUE;\r | |
1325 | } else {\r | |
1326 | PeiExMapTableEmpty = FALSE;\r | |
1327 | }\r | |
1328 | \r | |
80408db0 | 1329 | if (PeiExMapTableEmpty) {\r |
419db80b | 1330 | return EFI_NOT_FOUND;\r |
80408db0 | 1331 | }\r |
1332 | \r | |
419db80b BF |
1333 | ExMapTable = (DYNAMICEX_MAPPING *)((UINT8 *)PeiPcdDb + PeiPcdDb->ExMapTableOffset);\r |
1334 | GuidTable = (EFI_GUID *)((UINT8 *)PeiPcdDb + PeiPcdDb->GuidTableOffset);\r | |
1335 | \r | |
80408db0 | 1336 | if (*Guid == NULL) {\r |
1337 | //\r | |
1338 | // return the first Token Space Guid.\r | |
1339 | //\r | |
419db80b | 1340 | *Guid = GuidTable + ExMapTable[0].ExGuidIndex;\r |
80408db0 | 1341 | return EFI_SUCCESS;\r |
1342 | }\r | |
1343 | \r | |
419db80b | 1344 | MatchGuid = ScanGuid (GuidTable, PeiPcdDb->GuidTableCount * sizeof(GuidTable[0]), *Guid);\r |
80408db0 | 1345 | \r |
1346 | if (MatchGuid == NULL) {\r | |
1347 | return EFI_NOT_FOUND;\r | |
1348 | }\r | |
1349 | \r | |
419db80b | 1350 | GuidTableIdx = MatchGuid - GuidTable;\r |
80408db0 | 1351 | \r |
1352 | Found = FALSE;\r | |
419db80b | 1353 | for (Index = 0; Index < PeiPcdDb->ExTokenCount; Index++) {\r |
fc547e08 | 1354 | if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {\r |
80408db0 | 1355 | Found = TRUE;\r |
1356 | break;\r | |
1357 | }\r | |
1358 | }\r | |
1359 | \r | |
1360 | if (Found) {\r | |
fc547e08 | 1361 | Index++;\r |
419db80b BF |
1362 | for ( ; Index < PeiPcdDb->ExTokenCount; Index++ ) {\r |
1363 | if (ExMapTable[Index].ExGuidIndex != GuidTableIdx) {\r | |
1364 | Found = FALSE;\r | |
1365 | for (Index2 = 0 ; Index2 < Index; Index2++) {\r | |
1366 | if (ExMapTable[Index2].ExGuidIndex == ExMapTable[Index].ExGuidIndex) {\r | |
1367 | //\r | |
1368 | // This token namespace should have been found and output at preceding getting.\r | |
1369 | //\r | |
1370 | Found = TRUE;\r | |
1371 | break;\r | |
1372 | }\r | |
1373 | }\r | |
1374 | if (!Found) {\r | |
1375 | *Guid = (EFI_GUID *)((UINT8 *)PeiPcdDb + PeiPcdDb->GuidTableOffset) + ExMapTable[Index].ExGuidIndex;\r | |
1376 | return EFI_SUCCESS;\r | |
1377 | }\r | |
80408db0 | 1378 | }\r |
1379 | }\r | |
1380 | *Guid = NULL;\r | |
80408db0 | 1381 | }\r |
1382 | \r | |
1383 | return EFI_NOT_FOUND;\r | |
1384 | \r | |
1385 | }\r | |
1386 | \r | |
fc547e08 | 1387 | /**\r |
1388 | Get PCD value's size for POINTER type PCD.\r | |
1389 | \r | |
419db80b | 1390 | The POINTER type PCD's value will be stored into a buffer in specified size.\r |
fc547e08 | 1391 | The max size of this PCD's value is described in PCD's definition in DEC file.\r |
1392 | \r | |
1393 | @param LocalTokenNumberTableIdx Index of PCD token number in PCD token table\r | |
3fd8027e | 1394 | @param MaxSize Maximum size of PCD's value\r |
fc547e08 | 1395 | @param Database Pcd database in PEI phase.\r |
1396 | \r | |
1397 | @return PCD value's size for POINTER type PCD.\r | |
1398 | \r | |
1399 | **/\r | |
80408db0 | 1400 | UINTN\r |
1401 | GetPtrTypeSize (\r | |
1402 | IN UINTN LocalTokenNumberTableIdx,\r | |
1403 | OUT UINTN *MaxSize,\r | |
1404 | IN PEI_PCD_DATABASE *Database\r | |
1405 | )\r | |
1406 | {\r | |
1407 | INTN SizeTableIdx;\r | |
1408 | UINTN LocalTokenNumber;\r | |
1409 | SKU_ID *SkuIdTable;\r | |
1410 | SIZE_INFO *SizeTable;\r | |
fc547e08 | 1411 | UINTN Index;\r |
80408db0 | 1412 | \r |
1413 | SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, Database);\r | |
1414 | \r | |
419db80b | 1415 | LocalTokenNumber = *((UINT32 *)((UINT8 *)Database + Database->LocalTokenNumberTableOffset) + LocalTokenNumberTableIdx);\r |
80408db0 | 1416 | \r |
1417 | ASSERT ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER);\r | |
1418 | \r | |
419db80b | 1419 | SizeTable = (SIZE_INFO *)((UINT8 *)Database + Database->SizeTableOffset);\r |
80408db0 | 1420 | \r |
1421 | *MaxSize = SizeTable[SizeTableIdx];\r | |
1422 | //\r | |
1423 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r | |
1424 | // PCD entry.\r | |
1425 | //\r | |
fc547e08 | 1426 | if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r |
80408db0 | 1427 | //\r |
419db80b | 1428 | // We have only two entry for VPD enabled PCD entry:\r |
80408db0 | 1429 | // 1) MAX Size.\r |
419db80b | 1430 | // 2) Current Size\r |
80408db0 | 1431 | // We consider current size is equal to MAX size.\r |
1432 | //\r | |
1433 | return *MaxSize;\r | |
1434 | } else {\r | |
1435 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r | |
1436 | //\r | |
1437 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
1438 | // 1) MAX SIZE\r | |
1439 | // 2) Current Size\r | |
1440 | //\r | |
1441 | return SizeTable[SizeTableIdx + 1];\r | |
1442 | } else {\r | |
1443 | //\r | |
1444 | // We have these entry for SKU enabled PCD entry\r | |
1445 | // 1) MAX SIZE\r | |
1446 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r | |
1447 | //\r | |
1448 | SkuIdTable = GetSkuIdArray (LocalTokenNumberTableIdx, Database);\r | |
fc547e08 | 1449 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r |
419db80b | 1450 | if (SkuIdTable[1 + Index] == Database->SystemSkuId) {\r |
fc547e08 | 1451 | return SizeTable[SizeTableIdx + 1 + Index];\r |
80408db0 | 1452 | }\r |
1453 | }\r | |
1454 | return SizeTable[SizeTableIdx + 1];\r | |
1455 | }\r | |
1456 | }\r | |
1457 | }\r | |
1458 | \r | |
fc547e08 | 1459 | /**\r |
1460 | Set PCD value's size for POINTER type PCD.\r | |
1461 | \r | |
419db80b | 1462 | The POINTER type PCD's value will be stored into a buffer in specified size.\r |
fc547e08 | 1463 | The max size of this PCD's value is described in PCD's definition in DEC file.\r |
1464 | \r | |
1465 | @param LocalTokenNumberTableIdx Index of PCD token number in PCD token table\r | |
3fd8027e | 1466 | @param CurrentSize Maximum size of PCD's value\r |
fc547e08 | 1467 | @param Database Pcd database in PEI phase.\r |
80408db0 | 1468 | \r |
3fd8027e | 1469 | @retval TRUE Success to set PCD's value size, which is not exceed maximum size\r |
1470 | @retval FALSE Fail to set PCD's value size, which maybe exceed maximum size\r | |
80408db0 | 1471 | \r |
fc547e08 | 1472 | **/\r |
80408db0 | 1473 | BOOLEAN\r |
1474 | SetPtrTypeSize (\r | |
1475 | IN UINTN LocalTokenNumberTableIdx,\r | |
1476 | IN OUT UINTN *CurrentSize,\r | |
1477 | IN PEI_PCD_DATABASE *Database\r | |
1478 | )\r | |
1479 | {\r | |
1480 | INTN SizeTableIdx;\r | |
1481 | UINTN LocalTokenNumber;\r | |
1482 | SKU_ID *SkuIdTable;\r | |
1483 | SIZE_INFO *SizeTable;\r | |
fc547e08 | 1484 | UINTN Index;\r |
80408db0 | 1485 | UINTN MaxSize;\r |
1486 | \r | |
1487 | SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, Database);\r | |
1488 | \r | |
419db80b | 1489 | LocalTokenNumber = *((UINT32 *)((UINT8 *)Database + Database->LocalTokenNumberTableOffset) + LocalTokenNumberTableIdx);\r |
80408db0 | 1490 | \r |
1491 | ASSERT ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER);\r | |
419db80b BF |
1492 | \r |
1493 | SizeTable = (SIZE_INFO *)((UINT8 *)Database + Database->SizeTableOffset);\r | |
80408db0 | 1494 | \r |
1495 | MaxSize = SizeTable[SizeTableIdx];\r | |
1496 | //\r | |
1497 | // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type \r | |
1498 | // PCD entry.\r | |
1499 | //\r | |
fc547e08 | 1500 | if ((LocalTokenNumber & PCD_TYPE_VPD) != 0) {\r |
80408db0 | 1501 | //\r |
1502 | // We shouldn't come here as we don't support SET for VPD\r | |
1503 | //\r | |
1504 | ASSERT (FALSE);\r | |
1505 | return FALSE;\r | |
1506 | } else {\r | |
1507 | if ((*CurrentSize > MaxSize) ||\r | |
1508 | (*CurrentSize == MAX_ADDRESS)) {\r | |
1509 | *CurrentSize = MaxSize;\r | |
1510 | return FALSE;\r | |
5944a83b | 1511 | }\r |
80408db0 | 1512 | \r |
1513 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {\r | |
1514 | //\r | |
1515 | // We have only two entry for Non-Sku enabled PCD entry:\r | |
1516 | // 1) MAX SIZE\r | |
1517 | // 2) Current Size\r | |
1518 | //\r | |
1519 | SizeTable[SizeTableIdx + 1] = (SIZE_INFO) *CurrentSize;\r | |
1520 | return TRUE;\r | |
1521 | } else {\r | |
1522 | //\r | |
1523 | // We have these entry for SKU enabled PCD entry\r | |
1524 | // 1) MAX SIZE\r | |
1525 | // 2) Current Size for each SKU_ID (It is equal to MaxSku).\r | |
1526 | //\r | |
1527 | SkuIdTable = GetSkuIdArray (LocalTokenNumberTableIdx, Database);\r | |
fc547e08 | 1528 | for (Index = 0; Index < SkuIdTable[0]; Index++) {\r |
419db80b | 1529 | if (SkuIdTable[1 + Index] == Database->SystemSkuId) {\r |
fc547e08 | 1530 | SizeTable[SizeTableIdx + 1 + Index] = (SIZE_INFO) *CurrentSize;\r |
80408db0 | 1531 | return TRUE;\r |
1532 | }\r | |
1533 | }\r | |
1534 | SizeTable[SizeTableIdx + 1] = (SIZE_INFO) *CurrentSize;\r | |
1535 | return TRUE;\r | |
1536 | }\r | |
1537 | }\r | |
1538 | \r | |
1539 | }\r |