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615c6dd0 | 1 | /** @file\r |
b1f6a7c6 | 2 | EFI PEI Core dispatch services\r |
3 | \r | |
90e128e2 | 4 | Copyright (c) 2006 - 2009, Intel Corporation\r |
192f6d4c | 5 | All rights reserved. This program and the accompanying materials\r |
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 | |
615c6dd0 | 13 | **/\r |
192f6d4c | 14 | \r |
0d516397 | 15 | #include "PeiMain.h"\r |
192f6d4c | 16 | \r |
b1f6a7c6 | 17 | ///\r |
18 | /// CAR is filled with this initial value during SEC phase\r | |
19 | ///\r | |
a7715e73 | 20 | #define INIT_CAR_VALUE 0x5AA55AA5\r |
21 | \r | |
797a9d67 | 22 | typedef struct {\r |
23 | EFI_STATUS_CODE_DATA DataHeader;\r | |
24 | EFI_HANDLE Handle;\r | |
25 | } PEIM_FILE_HANDLE_EXTENDED_DATA;\r | |
26 | \r | |
b1f6a7c6 | 27 | /**\r |
b0d803fe | 28 | \r |
29 | Discover all Peims and optional Apriori file in one FV. There is at most one\r | |
30 | Apriori file in one FV.\r | |
31 | \r | |
b0d803fe | 32 | \r |
b1f6a7c6 | 33 | @param Private - Pointer to the private data passed in from caller\r |
34 | @param VolumeHandle - Fv handle.\r | |
b0d803fe | 35 | \r |
b1f6a7c6 | 36 | **/\r |
37 | VOID\r | |
38 | DiscoverPeimsAndOrderWithApriori (\r | |
39 | IN PEI_CORE_INSTANCE *Private,\r | |
40 | IN EFI_PEI_FV_HANDLE VolumeHandle\r | |
41 | )\r | |
b0d803fe | 42 | {\r |
43 | EFI_STATUS Status;\r | |
44 | EFI_PEI_FV_HANDLE FileHandle;\r | |
177aabe6 | 45 | EFI_PEI_FILE_HANDLE AprioriFileHandle;\r |
b0d803fe | 46 | EFI_GUID *Apriori;\r |
47 | UINTN Index;\r | |
48 | UINTN Index2;\r | |
49 | UINTN PeimIndex;\r | |
50 | UINTN PeimCount;\r | |
51 | EFI_GUID *Guid;\r | |
177aabe6 | 52 | EFI_PEI_FV_HANDLE TempFileHandles[FixedPcdGet32 (PcdPeiCoreMaxPeimPerFv)];\r |
53 | EFI_GUID FileGuid[FixedPcdGet32 (PcdPeiCoreMaxPeimPerFv)];\r | |
b0d803fe | 54 | \r |
55 | //\r | |
56 | // Walk the FV and find all the PEIMs and the Apriori file.\r | |
57 | //\r | |
58 | AprioriFileHandle = NULL;\r | |
59 | Private->CurrentFvFileHandles[0] = NULL;\r | |
60 | Guid = NULL;\r | |
61 | FileHandle = NULL;\r | |
62 | \r | |
63 | //\r | |
64 | // If the current Fv has been scanned, directly get its cachable record.\r | |
65 | //\r | |
66 | if (Private->Fv[Private->CurrentPeimFvCount].ScanFv) {\r | |
67 | CopyMem (Private->CurrentFvFileHandles, Private->Fv[Private->CurrentPeimFvCount].FvFileHandles, sizeof (Private->CurrentFvFileHandles));\r | |
68 | return;\r | |
69 | }\r | |
70 | \r | |
71 | //\r | |
72 | // Go ahead to scan this Fv, and cache FileHandles within it.\r | |
73 | //\r | |
177aabe6 | 74 | for (PeimCount = 0; PeimCount < FixedPcdGet32 (PcdPeiCoreMaxPeimPerFv); PeimCount++) {\r |
b0d803fe | 75 | Status = PeiFindFileEx (\r |
58dcdada | 76 | VolumeHandle,\r |
77 | NULL,\r | |
78 | PEI_CORE_INTERNAL_FFS_FILE_DISPATCH_TYPE,\r | |
b0d803fe | 79 | &FileHandle,\r |
80 | &AprioriFileHandle\r | |
81 | );\r | |
82 | if (Status != EFI_SUCCESS) {\r | |
83 | break;\r | |
84 | }\r | |
58dcdada | 85 | \r |
b0d803fe | 86 | Private->CurrentFvFileHandles[PeimCount] = FileHandle;\r |
87 | }\r | |
97b2c9b5 LG |
88 | \r |
89 | //\r | |
90 | // Check whether the count of Peims exceeds the max support PEIMs in a FV image\r | |
91 | // If more Peims are required in a FV image, PcdPeiCoreMaxPeimPerFv can be set to a larger value in DSC file.\r | |
92 | //\r | |
93 | ASSERT (PeimCount < FixedPcdGet32 (PcdPeiCoreMaxPeimPerFv));\r | |
b0d803fe | 94 | \r |
58dcdada | 95 | Private->AprioriCount = 0;\r |
b0d803fe | 96 | if (AprioriFileHandle != NULL) {\r |
97 | //\r | |
98 | // Read the Apriori file\r | |
99 | //\r | |
177aabe6 | 100 | Status = PeiServicesFfsFindSectionData (EFI_SECTION_RAW, AprioriFileHandle, (VOID **) &Apriori);\r |
b0d803fe | 101 | if (!EFI_ERROR (Status)) {\r |
102 | //\r | |
103 | // Calculate the number of PEIMs in the A Priori list\r | |
104 | //\r | |
105 | Private->AprioriCount = *(UINT32 *)(((EFI_FFS_FILE_HEADER *)AprioriFileHandle)->Size) & 0x00FFFFFF;\r | |
58dcdada | 106 | Private->AprioriCount -= sizeof (EFI_FFS_FILE_HEADER) - sizeof (EFI_COMMON_SECTION_HEADER);\r |
b0d803fe | 107 | Private->AprioriCount /= sizeof (EFI_GUID);\r |
58dcdada | 108 | \r |
82b8c8df | 109 | ZeroMem (FileGuid, sizeof (FileGuid));\r |
b0d803fe | 110 | for (Index = 0; Index < PeimCount; Index++) {\r |
111 | //\r | |
112 | // Make an array of file name guids that matches the FileHandle array so we can convert\r | |
113 | // quickly from file name to file handle\r | |
114 | //\r | |
58dcdada | 115 | CopyMem (&FileGuid[Index], &((EFI_FFS_FILE_HEADER *)Private->CurrentFvFileHandles[Index])->Name,sizeof(EFI_GUID));\r |
b0d803fe | 116 | }\r |
117 | \r | |
118 | //\r | |
119 | // Walk through FileGuid array to find out who is invalid PEIM guid in Apriori file.\r | |
58dcdada | 120 | // Add avalible PEIMs in Apriori file into TempFileHandles array at first.\r |
b0d803fe | 121 | //\r |
122 | Index2 = 0;\r | |
123 | for (Index = 0; Index2 < Private->AprioriCount; Index++) {\r | |
124 | while (Index2 < Private->AprioriCount) {\r | |
125 | Guid = ScanGuid (FileGuid, PeimCount * sizeof (EFI_GUID), &Apriori[Index2++]);\r | |
126 | if (Guid != NULL) {\r | |
127 | break;\r | |
128 | }\r | |
129 | }\r | |
130 | if (Guid == NULL) {\r | |
58dcdada | 131 | break;\r |
b0d803fe | 132 | }\r |
133 | PeimIndex = ((UINTN)Guid - (UINTN)&FileGuid[0])/sizeof (EFI_GUID);\r | |
134 | TempFileHandles[Index] = Private->CurrentFvFileHandles[PeimIndex];\r | |
135 | \r | |
136 | //\r | |
137 | // Since we have copied the file handle we can remove it from this list.\r | |
138 | //\r | |
139 | Private->CurrentFvFileHandles[PeimIndex] = NULL;\r | |
140 | }\r | |
141 | \r | |
142 | //\r | |
143 | // Update valid Aprioricount\r | |
144 | //\r | |
145 | Private->AprioriCount = Index;\r | |
58dcdada | 146 | \r |
b0d803fe | 147 | //\r |
148 | // Add in any PEIMs not in the Apriori file\r | |
149 | //\r | |
150 | for (;Index < PeimCount; Index++) {\r | |
151 | for (Index2 = 0; Index2 < PeimCount; Index2++) {\r | |
152 | if (Private->CurrentFvFileHandles[Index2] != NULL) {\r | |
153 | TempFileHandles[Index] = Private->CurrentFvFileHandles[Index2];\r | |
154 | Private->CurrentFvFileHandles[Index2] = NULL;\r | |
155 | break;\r | |
156 | }\r | |
157 | }\r | |
158 | }\r | |
159 | //\r | |
160 | //Index the end of array contains re-range Pei moudle.\r | |
161 | //\r | |
162 | TempFileHandles[Index] = NULL;\r | |
58dcdada | 163 | \r |
b0d803fe | 164 | //\r |
165 | // Private->CurrentFvFileHandles is currently in PEIM in the FV order.\r | |
58dcdada | 166 | // We need to update it to start with files in the A Priori list and\r |
167 | // then the remaining files in PEIM order.\r | |
b0d803fe | 168 | //\r |
169 | CopyMem (Private->CurrentFvFileHandles, TempFileHandles, sizeof (Private->CurrentFvFileHandles));\r | |
170 | }\r | |
171 | }\r | |
172 | //\r | |
173 | // Cache the current Fv File Handle. So that we don't have to scan the Fv again.\r | |
174 | // Instead, we can retrieve the file handles within this Fv from cachable data.\r | |
175 | //\r | |
176 | Private->Fv[Private->CurrentPeimFvCount].ScanFv = TRUE;\r | |
177 | CopyMem (Private->Fv[Private->CurrentPeimFvCount].FvFileHandles, Private->CurrentFvFileHandles, sizeof (Private->CurrentFvFileHandles));\r | |
58dcdada | 178 | \r |
179 | }\r | |
180 | \r | |
b1f6a7c6 | 181 | /**\r |
182 | Shadow PeiCore module from flash to installed memory.\r | |
183 | \r | |
d73d93c3 | 184 | @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.\r |
b1f6a7c6 | 185 | @param PrivateInMem PeiCore's private data structure\r |
186 | \r | |
82b8c8df | 187 | @return PeiCore function address after shadowing.\r |
b1f6a7c6 | 188 | **/\r |
58dcdada | 189 | VOID*\r |
190 | ShadowPeiCore(\r | |
6c7a807a | 191 | IN CONST EFI_PEI_SERVICES **PeiServices,\r |
192 | IN PEI_CORE_INSTANCE *PrivateInMem\r | |
58dcdada | 193 | )\r |
194 | {\r | |
195 | EFI_PEI_FILE_HANDLE PeiCoreFileHandle;\r | |
196 | EFI_PHYSICAL_ADDRESS EntryPoint;\r | |
197 | EFI_STATUS Status;\r | |
198 | UINT32 AuthenticationState;\r | |
199 | \r | |
200 | PeiCoreFileHandle = NULL;\r | |
201 | \r | |
202 | //\r | |
203 | // Find the PEI Core in the BFV\r | |
204 | //\r | |
205 | Status = PeiFindFileEx (\r | |
206 | (EFI_PEI_FV_HANDLE)PrivateInMem->Fv[0].FvHeader,\r | |
207 | NULL,\r | |
208 | EFI_FV_FILETYPE_PEI_CORE,\r | |
209 | &PeiCoreFileHandle,\r | |
210 | NULL\r | |
211 | );\r | |
212 | ASSERT_EFI_ERROR (Status);\r | |
213 | \r | |
214 | //\r | |
215 | // Shadow PEI Core into memory so it will run faster\r | |
216 | //\r | |
217 | Status = PeiLoadImage (\r | |
218 | PeiServices,\r | |
219 | *((EFI_PEI_FILE_HANDLE*)&PeiCoreFileHandle),\r | |
220 | &EntryPoint,\r | |
221 | &AuthenticationState\r | |
222 | );\r | |
223 | ASSERT_EFI_ERROR (Status);\r | |
224 | \r | |
82b8c8df | 225 | //\r |
226 | // Compute the PeiCore's function address after shaowed PeiCore.\r | |
227 | // _ModuleEntryPoint is PeiCore main function entry\r | |
228 | //\r | |
58dcdada | 229 | return (VOID*) ((UINTN) EntryPoint + (UINTN) PeiCore - (UINTN) _ModuleEntryPoint);\r |
b0d803fe | 230 | }\r |
231 | \r | |
b1f6a7c6 | 232 | /**\r |
192f6d4c | 233 | Conduct PEIM dispatch.\r |
234 | \r | |
b1f6a7c6 | 235 | @param SecCoreData Points to a data structure containing information about the PEI core's operating\r |
5aae0aa7 | 236 | environment, such as the size and location of temporary RAM, the stack location and\r |
237 | the BFV location.\r | |
b1f6a7c6 | 238 | @param Private Pointer to the private data passed in from caller\r |
192f6d4c | 239 | \r |
b1f6a7c6 | 240 | **/\r |
241 | VOID\r | |
242 | PeiDispatcher (\r | |
243 | IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData,\r | |
244 | IN PEI_CORE_INSTANCE *Private\r | |
245 | )\r | |
192f6d4c | 246 | {\r |
b0d803fe | 247 | EFI_STATUS Status;\r |
248 | UINT32 Index1;\r | |
249 | UINT32 Index2;\r | |
6c7a807a | 250 | CONST EFI_PEI_SERVICES **PeiServices;\r |
58dcdada | 251 | EFI_PEI_FV_HANDLE VolumeHandle;\r |
b0d803fe | 252 | EFI_PEI_FILE_HANDLE PeimFileHandle;\r |
253 | UINTN FvCount;\r | |
254 | UINTN PeimCount;\r | |
255 | UINT32 AuthenticationState;\r | |
256 | EFI_PHYSICAL_ADDRESS EntryPoint;\r | |
797a9d67 | 257 | EFI_PEIM_ENTRY_POINT2 PeimEntryPoint;\r |
b0d803fe | 258 | UINTN SaveCurrentPeimCount;\r |
1053e0c5 | 259 | UINTN SaveCurrentFvCount;\r |
b0d803fe | 260 | EFI_PEI_FILE_HANDLE SaveCurrentFileHandle;\r |
797a9d67 | 261 | PEIM_FILE_HANDLE_EXTENDED_DATA ExtendedData;\r |
58dcdada | 262 | EFI_PHYSICAL_ADDRESS NewPermenentMemoryBase;\r |
263 | TEMPORARY_RAM_SUPPORT_PPI *TemporaryRamSupportPpi;\r | |
264 | EFI_HOB_HANDOFF_INFO_TABLE *OldHandOffTable;\r | |
265 | EFI_HOB_HANDOFF_INFO_TABLE *NewHandOffTable;\r | |
66c69dea | 266 | INTN StackOffset;\r |
267 | INTN HeapOffset;\r | |
58dcdada | 268 | PEI_CORE_INSTANCE *PrivateInMem;\r |
269 | UINT64 NewPeiStackSize;\r | |
270 | UINT64 OldPeiStackSize;\r | |
271 | UINT64 StackGap;\r | |
288f9b38 | 272 | EFI_FV_FILE_INFO FvFileInfo;\r |
58dcdada | 273 | UINTN OldCheckingTop;\r |
274 | UINTN OldCheckingBottom;\r | |
b0d803fe | 275 | \r |
276 | \r | |
6c7a807a | 277 | PeiServices = (CONST EFI_PEI_SERVICES **) &Private->PS;\r |
b0d803fe | 278 | PeimEntryPoint = NULL;\r |
279 | PeimFileHandle = NULL;\r | |
288f9b38 | 280 | EntryPoint = 0;\r |
b0d803fe | 281 | \r |
282 | if ((Private->PeiMemoryInstalled) && (Private->HobList.HandoffInformationTable->BootMode != BOOT_ON_S3_RESUME)) {\r | |
283 | //\r | |
284 | // Once real memory is available, shadow the RegisterForShadow modules. And meanwhile\r | |
285 | // update the modules' status from PEIM_STATE_REGISITER_FOR_SHADOW to PEIM_STATE_DONE.\r | |
286 | //\r | |
287 | SaveCurrentPeimCount = Private->CurrentPeimCount;\r | |
1053e0c5 | 288 | SaveCurrentFvCount = Private->CurrentPeimFvCount;\r |
b0d803fe | 289 | SaveCurrentFileHandle = Private->CurrentFileHandle;\r |
290 | \r | |
1053e0c5 | 291 | for (Index1 = 0; Index1 <= SaveCurrentFvCount; Index1++) {\r |
177aabe6 | 292 | for (Index2 = 0; (Index2 < FixedPcdGet32 (PcdPeiCoreMaxPeimPerFv)) && (Private->Fv[Index1].FvFileHandles[Index2] != NULL); Index2++) {\r |
b0d803fe | 293 | if (Private->Fv[Index1].PeimState[Index2] == PEIM_STATE_REGISITER_FOR_SHADOW) {\r |
58dcdada | 294 | PeimFileHandle = Private->Fv[Index1].FvFileHandles[Index2];\r |
b0d803fe | 295 | Status = PeiLoadImage (\r |
6c7a807a | 296 | (CONST EFI_PEI_SERVICES **) &Private->PS,\r |
58dcdada | 297 | PeimFileHandle,\r |
298 | &EntryPoint,\r | |
b0d803fe | 299 | &AuthenticationState\r |
300 | );\r | |
301 | if (Status == EFI_SUCCESS) {\r | |
302 | //\r | |
303 | // PEIM_STATE_REGISITER_FOR_SHADOW move to PEIM_STATE_DONE\r | |
304 | //\r | |
305 | Private->Fv[Index1].PeimState[Index2]++;\r | |
1053e0c5 | 306 | Private->CurrentFileHandle = PeimFileHandle;\r |
58dcdada | 307 | Private->CurrentPeimFvCount = Index1;\r |
308 | Private->CurrentPeimCount = Index2;\r | |
b0d803fe | 309 | //\r |
310 | // Call the PEIM entry point\r | |
311 | //\r | |
797a9d67 | 312 | PeimEntryPoint = (EFI_PEIM_ENTRY_POINT2)(UINTN)EntryPoint;\r |
58dcdada | 313 | \r |
b0d803fe | 314 | PERF_START (0, "PEIM", NULL, 0);\r |
797a9d67 | 315 | PeimEntryPoint(PeimFileHandle, (const EFI_PEI_SERVICES **) &Private->PS);\r |
b0d803fe | 316 | PERF_END (0, "PEIM", NULL, 0);\r |
58dcdada | 317 | }\r |
318 | \r | |
b0d803fe | 319 | //\r |
320 | // Process the Notify list and dispatch any notifies for\r | |
321 | // newly installed PPIs.\r | |
322 | //\r | |
323 | ProcessNotifyList (Private);\r | |
324 | }\r | |
325 | }\r | |
326 | }\r | |
58dcdada | 327 | Private->CurrentFileHandle = SaveCurrentFileHandle;\r |
328 | Private->CurrentPeimFvCount = SaveCurrentFvCount;\r | |
329 | Private->CurrentPeimCount = SaveCurrentPeimCount;\r | |
b0d803fe | 330 | }\r |
192f6d4c | 331 | \r |
332 | //\r | |
333 | // This is the main dispatch loop. It will search known FVs for PEIMs and\r | |
334 | // attempt to dispatch them. If any PEIM gets dispatched through a single\r | |
335 | // pass of the dispatcher, it will start over from the Bfv again to see\r | |
336 | // if any new PEIMs dependencies got satisfied. With a well ordered\r | |
337 | // FV where PEIMs are found in the order their dependencies are also\r | |
338 | // satisfied, this dipatcher should run only once.\r | |
339 | //\r | |
b0d803fe | 340 | do {\r |
82b8c8df | 341 | //\r |
342 | // In case that reenter PeiCore happens, the last pass record is still available. \r | |
343 | //\r | |
344 | if (!Private->PeimDispatcherReenter) {\r | |
345 | Private->PeimNeedingDispatch = FALSE;\r | |
346 | Private->PeimDispatchOnThisPass = FALSE;\r | |
347 | } else {\r | |
348 | Private->PeimDispatcherReenter = FALSE;\r | |
349 | }\r | |
350 | \r | |
b0d803fe | 351 | for (FvCount = Private->CurrentPeimFvCount; FvCount < Private->FvCount; FvCount++) {\r |
352 | Private->CurrentPeimFvCount = FvCount;\r | |
2a00326e LG |
353 | //\r |
354 | // Get this Fv Handle by PeiService FvFindNextVolume.\r | |
355 | //\r | |
6c7a807a | 356 | PeiFvFindNextVolume (PeiServices, FvCount, &VolumeHandle);\r |
192f6d4c | 357 | \r |
b0d803fe | 358 | if (Private->CurrentPeimCount == 0) {\r |
359 | //\r | |
360 | // When going through each FV, at first, search Apriori file to\r | |
58dcdada | 361 | // reorder all PEIMs to ensure the PEIMs in Apriori file to get\r |
b0d803fe | 362 | // dispatch at first.\r |
363 | //\r | |
364 | DiscoverPeimsAndOrderWithApriori (Private, VolumeHandle);\r | |
365 | }\r | |
192f6d4c | 366 | \r |
367 | //\r | |
b0d803fe | 368 | // Start to dispatch all modules within the current Fv.\r |
192f6d4c | 369 | //\r |
58dcdada | 370 | for (PeimCount = Private->CurrentPeimCount;\r |
371 | (PeimCount < FixedPcdGet32 (PcdPeiCoreMaxPeimPerFv)) && (Private->CurrentFvFileHandles[PeimCount] != NULL);\r | |
b0d803fe | 372 | PeimCount++) {\r |
373 | Private->CurrentPeimCount = PeimCount;\r | |
374 | PeimFileHandle = Private->CurrentFileHandle = Private->CurrentFvFileHandles[PeimCount];\r | |
375 | \r | |
376 | if (Private->Fv[FvCount].PeimState[PeimCount] == PEIM_STATE_NOT_DISPATCHED) {\r | |
377 | if (!DepexSatisfied (Private, PeimFileHandle, PeimCount)) {\r | |
82b8c8df | 378 | Private->PeimNeedingDispatch = TRUE;\r |
b0d803fe | 379 | } else {\r |
288f9b38 LG |
380 | Status = PeiFfsGetFileInfo (PeimFileHandle, &FvFileInfo);\r |
381 | ASSERT_EFI_ERROR (Status);\r | |
382 | if (FvFileInfo.FileType == EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE) {\r | |
383 | //\r | |
384 | // For Fv type file, Produce new FV PPI and FV hob\r | |
385 | //\r | |
97b2c9b5 | 386 | Status = ProcessFvFile (PeiServices, VolumeHandle, PeimFileHandle, &AuthenticationState);\r |
288f9b38 LG |
387 | } else {\r |
388 | //\r | |
389 | // For PEIM driver, Load its entry point\r | |
390 | //\r | |
391 | Status = PeiLoadImage (\r | |
58dcdada | 392 | PeiServices,\r |
393 | PeimFileHandle,\r | |
394 | &EntryPoint,\r | |
288f9b38 LG |
395 | &AuthenticationState\r |
396 | );\r | |
397 | }\r | |
398 | \r | |
b0d803fe | 399 | if ((Status == EFI_SUCCESS)) {\r |
192f6d4c | 400 | //\r |
58dcdada | 401 | // The PEIM has its dependencies satisfied, and its entry point\r |
402 | // has been found, so invoke it.\r | |
192f6d4c | 403 | //\r |
b0d803fe | 404 | PERF_START (0, "PEIM", NULL, 0);\r |
192f6d4c | 405 | \r |
b0d803fe | 406 | ExtendedData.Handle = (EFI_HANDLE)PeimFileHandle;\r |
192f6d4c | 407 | \r |
408 | REPORT_STATUS_CODE_WITH_EXTENDED_DATA (\r | |
409 | EFI_PROGRESS_CODE,\r | |
797a9d67 | 410 | FixedPcdGet32(PcdStatusCodeValuePeimDispatch),\r |
192f6d4c | 411 | (VOID *)(&ExtendedData),\r |
412 | sizeof (ExtendedData)\r | |
413 | );\r | |
414 | \r | |
b0d803fe | 415 | Status = VerifyPeim (Private, VolumeHandle, PeimFileHandle);\r |
416 | if (Status != EFI_SECURITY_VIOLATION && (AuthenticationState == 0)) {\r | |
417 | //\r | |
418 | // PEIM_STATE_NOT_DISPATCHED move to PEIM_STATE_DISPATCHED\r | |
419 | //\r | |
420 | Private->Fv[FvCount].PeimState[PeimCount]++;\r | |
58dcdada | 421 | \r |
288f9b38 LG |
422 | if (FvFileInfo.FileType != EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE) {\r |
423 | //\r | |
424 | // Call the PEIM entry point for PEIM driver\r | |
425 | //\r | |
797a9d67 | 426 | PeimEntryPoint = (EFI_PEIM_ENTRY_POINT2)(UINTN)EntryPoint;\r |
427 | PeimEntryPoint (PeimFileHandle, (const EFI_PEI_SERVICES **) PeiServices);\r | |
288f9b38 | 428 | }\r |
797a9d67 | 429 | \r |
82b8c8df | 430 | Private->PeimDispatchOnThisPass = TRUE;\r |
192f6d4c | 431 | }\r |
432 | \r | |
433 | REPORT_STATUS_CODE_WITH_EXTENDED_DATA (\r | |
434 | EFI_PROGRESS_CODE,\r | |
797a9d67 | 435 | FixedPcdGet32(PcdStatusCodeValuePeimDispatch),\r |
192f6d4c | 436 | (VOID *)(&ExtendedData),\r |
437 | sizeof (ExtendedData)\r | |
438 | );\r | |
b0d803fe | 439 | PERF_END (0, "PEIM", NULL, 0);\r |
440 | \r | |
58dcdada | 441 | }\r |
442 | \r | |
443 | if (Private->SwitchStackSignal) {\r | |
a7715e73 | 444 | //\r |
445 | // Before switch stack from CAR to permenent memory, caculate the heap and stack\r | |
446 | // usage in temporary memory for debuging.\r | |
447 | //\r | |
448 | DEBUG_CODE_BEGIN ();\r | |
96317468 | 449 | UINT32 *StackPointer;\r |
a7715e73 | 450 | \r |
96317468 | 451 | for (StackPointer = (UINT32*)SecCoreData->StackBase;\r |
452 | (StackPointer < (UINT32*)((UINTN)SecCoreData->StackBase + SecCoreData->StackSize)) \\r | |
a7715e73 | 453 | && (*StackPointer == INIT_CAR_VALUE);\r |
454 | StackPointer ++);\r | |
455 | \r | |
7df7393f | 456 | DEBUG ((EFI_D_INFO, "Total Cache as RAM: %d bytes.\n", (UINT32)SecCoreData->TemporaryRamSize));\r |
a7715e73 | 457 | DEBUG ((EFI_D_INFO, " CAR stack ever used: %d bytes.\n",\r |
458 | (SecCoreData->StackSize - ((UINTN) StackPointer - (UINTN)SecCoreData->StackBase))\r | |
459 | ));\r | |
460 | DEBUG ((EFI_D_INFO, " CAR heap used: %d bytes.\n",\r | |
461 | ((UINTN) Private->HobList.HandoffInformationTable->EfiFreeMemoryBottom -\r | |
462 | (UINTN) Private->HobList.Raw)\r | |
463 | ));\r | |
464 | DEBUG_CODE_END ();\r | |
465 | \r | |
a3a15d21 | 466 | //\r |
58dcdada | 467 | // Reserve the size of new stack at bottom of physical memory\r |
a3a15d21 | 468 | //\r |
63b62331 | 469 | OldPeiStackSize = (UINT64) SecCoreData->StackSize;\r |
58dcdada | 470 | NewPeiStackSize = (RShiftU64 (Private->PhysicalMemoryLength, 1) + EFI_PAGE_MASK) & ~EFI_PAGE_MASK;\r |
471 | if (FixedPcdGet32(PcdPeiCoreMaxPeiStackSize) > (UINT32) NewPeiStackSize) {\r | |
472 | Private->StackSize = NewPeiStackSize;\r | |
473 | } else {\r | |
474 | Private->StackSize = FixedPcdGet32(PcdPeiCoreMaxPeiStackSize);\r | |
475 | }\r | |
192f6d4c | 476 | \r |
58dcdada | 477 | //\r |
478 | // In theory, the size of new stack in permenent memory should large than\r | |
479 | // size of old stack in temporary memory.\r | |
480 | // But if new stack is smaller than the size of old stack, we also reserve\r | |
481 | // the size of old stack at bottom of permenent memory.\r | |
482 | //\r | |
90e128e2 | 483 | DEBUG ((EFI_D_INFO, "Old Stack size %d, New stack size %d\n", (INT32) OldPeiStackSize, (INT32) Private->StackSize));\r |
28127cc7 LG |
484 | ASSERT (Private->StackSize >= OldPeiStackSize);\r |
485 | StackGap = Private->StackSize - OldPeiStackSize;\r | |
d74eeda8 | 486 | \r |
58dcdada | 487 | //\r |
488 | // Update HandOffHob for new installed permenent memory\r | |
489 | //\r | |
490 | OldHandOffTable = Private->HobList.HandoffInformationTable;\r | |
5c5a0601 | 491 | OldCheckingBottom = (UINTN)(SecCoreData->TemporaryRamBase);\r |
58dcdada | 492 | OldCheckingTop = (UINTN)(OldCheckingBottom + SecCoreData->TemporaryRamSize);\r |
192f6d4c | 493 | \r |
494 | //\r | |
58dcdada | 495 | // The whole temporary memory will be migrated to physical memory.\r |
496 | // CAUTION: The new base is computed accounding to gap of new stack.\r | |
192f6d4c | 497 | //\r |
58dcdada | 498 | NewPermenentMemoryBase = Private->PhysicalMemoryBegin + StackGap;\r |
40f26b8f | 499 | \r |
500 | //\r | |
501 | // Caculate stack offset and heap offset between CAR and new permement \r | |
502 | // memory seperately.\r | |
503 | //\r | |
d74eeda8 | 504 | StackOffset = (UINTN) NewPermenentMemoryBase - (UINTN) SecCoreData->StackBase;\r |
66c69dea | 505 | HeapOffset = (INTN) ((UINTN) Private->PhysicalMemoryBegin + Private->StackSize - \\r |
506 | (UINTN) SecCoreData->PeiTemporaryRamBase);\r | |
7df7393f | 507 | DEBUG ((EFI_D_INFO, "Heap Offset = 0x%lX Stack Offset = 0x%lX\n", (INT64)HeapOffset, (INT64)StackOffset));\r |
66c69dea | 508 | \r |
40f26b8f | 509 | //\r |
510 | // Caculate new HandOffTable and PrivateData address in permenet memory's stack\r | |
511 | //\r | |
66c69dea | 512 | NewHandOffTable = (EFI_HOB_HANDOFF_INFO_TABLE *)((UINTN)OldHandOffTable + HeapOffset);\r |
513 | PrivateInMem = (PEI_CORE_INSTANCE *)((UINTN) (VOID*) Private + StackOffset);\r | |
192f6d4c | 514 | \r |
515 | //\r | |
58dcdada | 516 | // TemporaryRamSupportPpi is produced by platform's SEC\r |
192f6d4c | 517 | //\r |
58dcdada | 518 | Status = PeiLocatePpi (\r |
519 | (CONST EFI_PEI_SERVICES **) PeiServices,\r | |
520 | &gEfiTemporaryRamSupportPpiGuid,\r | |
521 | 0,\r | |
522 | NULL,\r | |
523 | (VOID**)&TemporaryRamSupportPpi\r | |
524 | );\r | |
525 | \r | |
81c7803c | 526 | \r |
58dcdada | 527 | if (!EFI_ERROR (Status)) {\r |
40f26b8f | 528 | //\r |
529 | // Temporary Ram support Ppi is provided by platform, it will copy \r | |
530 | // temporary memory to permenent memory and do stack switching.\r | |
531 | // After invoken temporary Ram support, following code's stack is in \r | |
532 | // memory but not in CAR.\r | |
533 | //\r | |
58dcdada | 534 | TemporaryRamSupportPpi->TemporaryRamMigration (\r |
535 | (CONST EFI_PEI_SERVICES **) PeiServices,\r | |
536 | (EFI_PHYSICAL_ADDRESS)(UINTN) SecCoreData->TemporaryRamBase,\r | |
537 | (EFI_PHYSICAL_ADDRESS)(UINTN) NewPermenentMemoryBase,\r | |
538 | SecCoreData->TemporaryRamSize\r | |
539 | );\r | |
540 | \r | |
541 | } else {\r | |
b414ea4b | 542 | //\r |
543 | // In IA32/x64/Itanium architecture, we need platform provide\r | |
544 | // TEMPORAY_RAM_MIGRATION_PPI.\r | |
545 | //\r | |
546 | ASSERT (FALSE);\r | |
58dcdada | 547 | }\r |
548 | \r | |
549 | \r | |
550 | //\r | |
b0d803fe | 551 | //\r |
58dcdada | 552 | // Fixup the PeiCore's private data\r |
b0d803fe | 553 | //\r |
58dcdada | 554 | PrivateInMem->PS = &PrivateInMem->ServiceTableShadow;\r |
555 | PrivateInMem->CpuIo = &PrivateInMem->ServiceTableShadow.CpuIo;\r | |
66c69dea | 556 | PrivateInMem->HobList.Raw = (VOID*) ((UINTN) PrivateInMem->HobList.Raw + HeapOffset);\r |
58dcdada | 557 | PrivateInMem->StackBase = (EFI_PHYSICAL_ADDRESS)(((UINTN)PrivateInMem->PhysicalMemoryBegin + EFI_PAGE_MASK) & ~EFI_PAGE_MASK);\r |
558 | \r | |
6c7a807a | 559 | PeiServices = (CONST EFI_PEI_SERVICES **) &PrivateInMem->PS;\r |
58dcdada | 560 | \r |
561 | //\r | |
562 | // Fixup for PeiService's address\r | |
563 | //\r | |
564 | SetPeiServicesTablePointer(PeiServices);\r | |
565 | \r | |
566 | //\r | |
567 | // Update HandOffHob for new installed permenent memory\r | |
568 | //\r | |
569 | NewHandOffTable->EfiEndOfHobList =\r | |
66c69dea | 570 | (EFI_PHYSICAL_ADDRESS)((UINTN) NewHandOffTable->EfiEndOfHobList + HeapOffset);\r |
58dcdada | 571 | NewHandOffTable->EfiMemoryTop = PrivateInMem->PhysicalMemoryBegin +\r |
572 | PrivateInMem->PhysicalMemoryLength;\r | |
573 | NewHandOffTable->EfiMemoryBottom = PrivateInMem->PhysicalMemoryBegin;\r | |
574 | NewHandOffTable->EfiFreeMemoryTop = PrivateInMem->FreePhysicalMemoryTop;\r | |
575 | NewHandOffTable->EfiFreeMemoryBottom = NewHandOffTable->EfiEndOfHobList +\r | |
576 | sizeof (EFI_HOB_GENERIC_HEADER);\r | |
577 | \r | |
578 | //\r | |
579 | // We need convert the PPI desciptor's pointer\r | |
580 | //\r | |
40f26b8f | 581 | ConvertPpiPointers (PrivateInMem, \r |
58dcdada | 582 | OldCheckingBottom, \r |
583 | OldCheckingTop, \r | |
5c5a0601 | 584 | HeapOffset\r |
585 | );\r | |
58dcdada | 586 | \r |
7df7393f | 587 | DEBUG ((EFI_D_INFO, "Stack Hob: BaseAddress=0x%lX Length=0x%lX\n",\r |
588 | PrivateInMem->StackBase,\r | |
58dcdada | 589 | PrivateInMem->StackSize));\r |
590 | BuildStackHob (PrivateInMem->StackBase, PrivateInMem->StackSize);\r | |
591 | \r | |
592 | //\r | |
593 | // After the whole temporary memory is migrated, then we can allocate page in\r | |
594 | // permenent memory.\r | |
595 | //\r | |
596 | PrivateInMem->PeiMemoryInstalled = TRUE;\r | |
597 | \r | |
1bd90a4c | 598 | //\r |
82b8c8df | 599 | // Indicate that PeiCore reenter\r |
1bd90a4c | 600 | //\r |
82b8c8df | 601 | PrivateInMem->PeimDispatcherReenter = TRUE;\r |
602 | \r | |
192f6d4c | 603 | //\r |
b0d803fe | 604 | // Shadow PEI Core. When permanent memory is avaiable, shadow\r |
605 | // PEI Core and PEIMs to get high performance.\r | |
192f6d4c | 606 | //\r |
58dcdada | 607 | PrivateInMem->ShadowedPeiCore = ShadowPeiCore (\r |
608 | PeiServices,\r | |
609 | PrivateInMem\r | |
610 | );\r | |
b0d803fe | 611 | //\r |
58dcdada | 612 | // Process the Notify list and dispatch any notifies for\r |
613 | // newly installed PPIs.\r | |
b0d803fe | 614 | //\r |
58dcdada | 615 | ProcessNotifyList (PrivateInMem);\r |
616 | \r | |
b0d803fe | 617 | //\r |
58dcdada | 618 | // Entry PEI Phase 2\r |
b0d803fe | 619 | //\r |
58dcdada | 620 | PeiCore (SecCoreData, NULL, PrivateInMem);\r |
b0d803fe | 621 | \r |
58dcdada | 622 | //\r |
623 | // Code should not come here\r | |
624 | //\r | |
625 | ASSERT_EFI_ERROR(FALSE);\r | |
192f6d4c | 626 | }\r |
192f6d4c | 627 | \r |
58dcdada | 628 | //\r |
629 | // Process the Notify list and dispatch any notifies for\r | |
630 | // newly installed PPIs.\r | |
631 | //\r | |
632 | ProcessNotifyList (Private);\r | |
633 | \r | |
b0d803fe | 634 | if ((Private->PeiMemoryInstalled) && (Private->Fv[FvCount].PeimState[PeimCount] == PEIM_STATE_REGISITER_FOR_SHADOW) && \\r |
635 | (Private->HobList.HandoffInformationTable->BootMode != BOOT_ON_S3_RESUME)) {\r | |
636 | //\r | |
58dcdada | 637 | // If memory is availble we shadow images by default for performance reasons.\r |
638 | // We call the entry point a 2nd time so the module knows it's shadowed.\r | |
b0d803fe | 639 | //\r |
640 | //PERF_START (PeiServices, L"PEIM", PeimFileHandle, 0);\r | |
e67ca95c | 641 | ASSERT (PeimEntryPoint != NULL);\r |
797a9d67 | 642 | PeimEntryPoint (PeimFileHandle, (const EFI_PEI_SERVICES **) PeiServices);\r |
b0d803fe | 643 | //PERF_END (PeiServices, L"PEIM", PeimFileHandle, 0);\r |
58dcdada | 644 | \r |
b0d803fe | 645 | //\r |
646 | // PEIM_STATE_REGISITER_FOR_SHADOW move to PEIM_STATE_DONE\r | |
647 | //\r | |
648 | Private->Fv[FvCount].PeimState[PeimCount]++;\r | |
192f6d4c | 649 | \r |
192f6d4c | 650 | //\r |
b0d803fe | 651 | // Process the Notify list and dispatch any notifies for\r |
652 | // newly installed PPIs.\r | |
192f6d4c | 653 | //\r |
b0d803fe | 654 | ProcessNotifyList (Private);\r |
192f6d4c | 655 | }\r |
656 | }\r | |
657 | }\r | |
192f6d4c | 658 | }\r |
192f6d4c | 659 | \r |
b0d803fe | 660 | //\r |
661 | // We set to NULL here to optimize the 2nd entry to this routine after\r | |
662 | // memory is found. This reprevents rescanning of the FV. We set to\r | |
663 | // NULL here so we start at the begining of the next FV\r | |
664 | //\r | |
665 | Private->CurrentFileHandle = NULL;\r | |
666 | Private->CurrentPeimCount = 0;\r | |
667 | //\r | |
668 | // Before walking through the next FV,Private->CurrentFvFileHandles[]should set to NULL\r | |
669 | //\r | |
670 | SetMem (Private->CurrentFvFileHandles, sizeof (Private->CurrentFvFileHandles), 0);\r | |
192f6d4c | 671 | }\r |
672 | \r | |
673 | //\r | |
58dcdada | 674 | // Before making another pass, we should set Private->CurrentPeimFvCount =0 to go\r |
b0d803fe | 675 | // through all the FV.\r |
192f6d4c | 676 | //\r |
b0d803fe | 677 | Private->CurrentPeimFvCount = 0;\r |
192f6d4c | 678 | \r |
679 | //\r | |
58dcdada | 680 | // PeimNeedingDispatch being TRUE means we found a PEIM that did not get\r |
b0d803fe | 681 | // dispatched. So we need to make another pass\r |
192f6d4c | 682 | //\r |
58dcdada | 683 | // PeimDispatchOnThisPass being TRUE means we dispatched a PEIM on this\r |
b0d803fe | 684 | // pass. If we did not dispatch a PEIM there is no point in trying again\r |
685 | // as it will fail the next time too (nothing has changed).\r | |
192f6d4c | 686 | //\r |
82b8c8df | 687 | } while (Private->PeimNeedingDispatch && Private->PeimDispatchOnThisPass);\r |
192f6d4c | 688 | \r |
192f6d4c | 689 | }\r |
690 | \r | |
b1f6a7c6 | 691 | /**\r |
192f6d4c | 692 | Initialize the Dispatcher's data members\r |
693 | \r | |
b1f6a7c6 | 694 | @param PrivateData PeiCore's private data structure\r |
695 | @param OldCoreData Old data from SecCore\r | |
192f6d4c | 696 | NULL if being run in non-permament memory mode.\r |
b1f6a7c6 | 697 | @param SecCoreData Points to a data structure containing information about the PEI core's operating\r |
5aae0aa7 | 698 | environment, such as the size and location of temporary RAM, the stack location and\r |
699 | the BFV location.\r | |
192f6d4c | 700 | \r |
b1f6a7c6 | 701 | @return None.\r |
192f6d4c | 702 | \r |
b1f6a7c6 | 703 | **/\r |
704 | VOID\r | |
705 | InitializeDispatcherData (\r | |
706 | IN PEI_CORE_INSTANCE *PrivateData,\r | |
707 | IN PEI_CORE_INSTANCE *OldCoreData,\r | |
708 | IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData\r | |
709 | )\r | |
192f6d4c | 710 | {\r |
192f6d4c | 711 | if (OldCoreData == NULL) {\r |
82b8c8df | 712 | PrivateData->PeimDispatcherReenter = FALSE;\r |
b0d803fe | 713 | PeiInitializeFv (PrivateData, SecCoreData);\r |
192f6d4c | 714 | }\r |
715 | \r | |
716 | return;\r | |
717 | }\r | |
718 | \r | |
b1f6a7c6 | 719 | /**\r |
720 | This routine parses the Dependency Expression, if available, and\r | |
721 | decides if the module can be executed.\r | |
722 | \r | |
723 | \r | |
724 | @param Private PeiCore's private data structure\r | |
725 | @param FileHandle PEIM's file handle\r | |
726 | @param PeimCount Peim count in all dispatched PEIMs.\r | |
192f6d4c | 727 | \r |
b1f6a7c6 | 728 | @retval TRUE Can be dispatched\r |
729 | @retval FALSE Cannot be dispatched\r | |
730 | \r | |
731 | **/\r | |
192f6d4c | 732 | BOOLEAN\r |
733 | DepexSatisfied (\r | |
b0d803fe | 734 | IN PEI_CORE_INSTANCE *Private,\r |
735 | IN EFI_PEI_FILE_HANDLE FileHandle,\r | |
736 | IN UINTN PeimCount\r | |
192f6d4c | 737 | )\r |
192f6d4c | 738 | {\r |
288f9b38 LG |
739 | EFI_STATUS Status;\r |
740 | VOID *DepexData;\r | |
b0d803fe | 741 | \r |
742 | if (PeimCount < Private->AprioriCount) {\r | |
743 | //\r | |
744 | // If its in the A priori file then we set Depex to TRUE\r | |
745 | //\r | |
746 | return TRUE;\r | |
747 | }\r | |
58dcdada | 748 | \r |
288f9b38 | 749 | //\r |
58dcdada | 750 | // Depex section not in the encapsulated section.\r |
288f9b38 LG |
751 | //\r |
752 | Status = PeiServicesFfsFindSectionData (\r | |
753 | EFI_SECTION_PEI_DEPEX,\r | |
58dcdada | 754 | FileHandle,\r |
288f9b38 LG |
755 | (VOID **)&DepexData\r |
756 | );\r | |
b0d803fe | 757 | \r |
192f6d4c | 758 | if (EFI_ERROR (Status)) {\r |
b0d803fe | 759 | //\r |
760 | // If there is no DEPEX, assume the module can be executed\r | |
761 | //\r | |
192f6d4c | 762 | return TRUE;\r |
763 | }\r | |
764 | \r | |
765 | //\r | |
766 | // Evaluate a given DEPEX\r | |
767 | //\r | |
b0d803fe | 768 | return PeimDispatchReadiness (&Private->PS, DepexData);\r |
192f6d4c | 769 | }\r |
770 | \r | |
14e8823a | 771 | /**\r |
772 | This routine enable a PEIM to register itself to shadow when PEI Foundation\r | |
773 | discovery permanent memory.\r | |
774 | \r | |
b1f6a7c6 | 775 | @param FileHandle File handle of a PEIM.\r |
58dcdada | 776 | \r |
b1f6a7c6 | 777 | @retval EFI_NOT_FOUND The file handle doesn't point to PEIM itself.\r |
778 | @retval EFI_ALREADY_STARTED Indicate that the PEIM has been registered itself.\r | |
779 | @retval EFI_SUCCESS Successfully to register itself.\r | |
14e8823a | 780 | \r |
58dcdada | 781 | **/\r |
14e8823a | 782 | EFI_STATUS\r |
783 | EFIAPI\r | |
784 | PeiRegisterForShadow (\r | |
785 | IN EFI_PEI_FILE_HANDLE FileHandle\r | |
786 | )\r | |
787 | {\r | |
788 | PEI_CORE_INSTANCE *Private;\r | |
789 | Private = PEI_CORE_INSTANCE_FROM_PS_THIS (GetPeiServicesTablePointer ());\r | |
790 | \r | |
791 | if (Private->CurrentFileHandle != FileHandle) {\r | |
792 | //\r | |
793 | // The FileHandle must be for the current PEIM\r | |
794 | //\r | |
795 | return EFI_NOT_FOUND;\r | |
796 | }\r | |
797 | \r | |
798 | if (Private->Fv[Private->CurrentPeimFvCount].PeimState[Private->CurrentPeimCount] >= PEIM_STATE_REGISITER_FOR_SHADOW) {\r | |
799 | //\r | |
800 | // If the PEIM has already entered the PEIM_STATE_REGISTER_FOR_SHADOW or PEIM_STATE_DONE then it's already been started\r | |
801 | //\r | |
802 | return EFI_ALREADY_STARTED;\r | |
803 | }\r | |
58dcdada | 804 | \r |
14e8823a | 805 | Private->Fv[Private->CurrentPeimFvCount].PeimState[Private->CurrentPeimCount] = PEIM_STATE_REGISITER_FOR_SHADOW;\r |
806 | \r | |
807 | return EFI_SUCCESS;\r | |
808 | }\r | |
809 | \r |