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615c6dd0 | 1 | /** @file\r |
b1f6a7c6 | 2 | Pei Core Main Entry Point\r |
3 | \r | |
c7935105 | 4 | Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>\r |
cd5ebaa0 | 5 | This program and the accompanying materials\r |
192f6d4c | 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 |
fe1e36e5 | 17 | EFI_PEI_PPI_DESCRIPTOR mMemoryDiscoveredPpi = {\r |
192f6d4c | 18 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r |
19 | &gEfiPeiMemoryDiscoveredPpiGuid,\r | |
20 | NULL\r | |
21 | };\r | |
22 | \r | |
40f26b8f | 23 | ///\r |
82b8c8df | 24 | /// Pei service instance\r |
40f26b8f | 25 | ///\r |
fe1e36e5 | 26 | EFI_PEI_SERVICES gPs = {\r |
192f6d4c | 27 | {\r |
28 | PEI_SERVICES_SIGNATURE,\r | |
29 | PEI_SERVICES_REVISION,\r | |
30 | sizeof (EFI_PEI_SERVICES),\r | |
31 | 0,\r | |
32 | 0\r | |
33 | },\r | |
34 | PeiInstallPpi,\r | |
35 | PeiReInstallPpi,\r | |
36 | PeiLocatePpi,\r | |
37 | PeiNotifyPpi,\r | |
38 | \r | |
39 | PeiGetBootMode,\r | |
40 | PeiSetBootMode,\r | |
41 | \r | |
42 | PeiGetHobList,\r | |
43 | PeiCreateHob,\r | |
44 | \r | |
3b428ade | 45 | PeiFfsFindNextVolume,\r |
192f6d4c | 46 | PeiFfsFindNextFile,\r |
47 | PeiFfsFindSectionData,\r | |
48 | \r | |
b0d803fe | 49 | PeiInstallPeiMemory, \r |
192f6d4c | 50 | PeiAllocatePages,\r |
51 | PeiAllocatePool,\r | |
52 | (EFI_PEI_COPY_MEM)CopyMem,\r | |
53 | (EFI_PEI_SET_MEM)SetMem,\r | |
54 | \r | |
55 | PeiReportStatusCode,\r | |
14e8823a | 56 | PeiResetSystem,\r |
b0d803fe | 57 | \r |
8d415937 | 58 | &gPeiDefaultCpuIoPpi,\r |
59 | &gPeiDefaultPciCfg2Ppi,\r | |
b0d803fe | 60 | \r |
61 | PeiFfsFindFileByName,\r | |
62 | PeiFfsGetFileInfo,\r | |
63 | PeiFfsGetVolumeInfo,\r | |
c7935105 SZ |
64 | PeiRegisterForShadow,\r |
65 | PeiFfsFindSectionData3,\r | |
66 | PeiFfsGetFileInfo2\r | |
192f6d4c | 67 | };\r |
68 | \r | |
ef05e063 | 69 | /**\r |
70 | Shadow PeiCore module from flash to installed memory.\r | |
71 | \r | |
72 | @param PrivateData PeiCore's private data structure\r | |
73 | \r | |
74 | @return PeiCore function address after shadowing.\r | |
75 | **/\r | |
76 | PEICORE_FUNCTION_POINTER\r | |
77 | ShadowPeiCore (\r | |
78 | IN PEI_CORE_INSTANCE *PrivateData\r | |
79 | )\r | |
80 | {\r | |
81 | EFI_PEI_FILE_HANDLE PeiCoreFileHandle;\r | |
82 | EFI_PHYSICAL_ADDRESS EntryPoint;\r | |
83 | EFI_STATUS Status;\r | |
84 | UINT32 AuthenticationState;\r | |
85 | \r | |
86 | PeiCoreFileHandle = NULL;\r | |
87 | \r | |
88 | //\r | |
89 | // Find the PEI Core in the BFV\r | |
90 | //\r | |
91 | Status = PrivateData->Fv[0].FvPpi->FindFileByType (\r | |
92 | PrivateData->Fv[0].FvPpi,\r | |
93 | EFI_FV_FILETYPE_PEI_CORE,\r | |
94 | PrivateData->Fv[0].FvHandle,\r | |
95 | &PeiCoreFileHandle\r | |
96 | );\r | |
97 | ASSERT_EFI_ERROR (Status);\r | |
98 | \r | |
99 | //\r | |
100 | // Shadow PEI Core into memory so it will run faster\r | |
101 | //\r | |
102 | Status = PeiLoadImage (\r | |
103 | GetPeiServicesTablePointer (),\r | |
104 | *((EFI_PEI_FILE_HANDLE*)&PeiCoreFileHandle),\r | |
105 | PEIM_STATE_REGISITER_FOR_SHADOW,\r | |
106 | &EntryPoint,\r | |
107 | &AuthenticationState\r | |
108 | );\r | |
109 | ASSERT_EFI_ERROR (Status);\r | |
110 | \r | |
111 | //\r | |
112 | // Compute the PeiCore's function address after shaowed PeiCore.\r | |
113 | // _ModuleEntryPoint is PeiCore main function entry\r | |
114 | //\r | |
115 | return (PEICORE_FUNCTION_POINTER)((UINTN) EntryPoint + (UINTN) PeiCore - (UINTN) _ModuleEntryPoint);\r | |
116 | }\r | |
117 | \r | |
b1f6a7c6 | 118 | /**\r |
82b8c8df | 119 | This routine is invoked by main entry of PeiMain module during transition\r |
192f6d4c | 120 | from SEC to PEI. After switching stack in the PEI core, it will restart\r |
121 | with the old core data.\r | |
122 | \r | |
0f9ebb32 | 123 | @param SecCoreDataPtr Points to a data structure containing information about the PEI core's operating\r |
5aae0aa7 | 124 | environment, such as the size and location of temporary RAM, the stack location and\r |
125 | the BFV location.\r | |
b1f6a7c6 | 126 | @param PpiList Points to a list of one or more PPI descriptors to be installed initially by the PEI core.\r |
5aae0aa7 | 127 | An empty PPI list consists of a single descriptor with the end-tag\r |
128 | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST. As part of its initialization\r | |
129 | phase, the PEI Foundation will add these SEC-hosted PPIs to its PPI database such\r | |
130 | that both the PEI Foundation and any modules can leverage the associated service\r | |
131 | calls and/or code in these early PPIs\r | |
b1f6a7c6 | 132 | @param Data Pointer to old core data that is used to initialize the\r |
192f6d4c | 133 | core's data areas.\r |
82b8c8df | 134 | If NULL, it is first PeiCore entering.\r |
192f6d4c | 135 | \r |
b1f6a7c6 | 136 | **/\r |
0308e20d | 137 | VOID\r |
b1f6a7c6 | 138 | EFIAPI\r |
139 | PeiCore (\r | |
0f9ebb32 | 140 | IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreDataPtr,\r |
b1f6a7c6 | 141 | IN CONST EFI_PEI_PPI_DESCRIPTOR *PpiList,\r |
142 | IN VOID *Data\r | |
143 | )\r | |
192f6d4c | 144 | {\r |
ef05e063 | 145 | PEI_CORE_INSTANCE PrivateData;\r |
0f9ebb32 LG |
146 | EFI_SEC_PEI_HAND_OFF *SecCoreData;\r |
147 | EFI_SEC_PEI_HAND_OFF NewSecCoreData;\r | |
ef05e063 | 148 | EFI_STATUS Status;\r |
149 | PEI_CORE_TEMP_POINTERS TempPtr;\r | |
ef05e063 | 150 | PEI_CORE_INSTANCE *OldCoreData;\r |
151 | EFI_PEI_CPU_IO_PPI *CpuIo;\r | |
152 | EFI_PEI_PCI_CFG2_PPI *PciCfg;\r | |
153 | EFI_HOB_HANDOFF_INFO_TABLE *HandoffInformationTable;\r | |
0f9ebb32 LG |
154 | EFI_PEI_TEMPORARY_RAM_DONE_PPI *TemporaryRamDonePpi;\r |
155 | \r | |
6b22483f | 156 | //\r |
157 | // Retrieve context passed into PEI Core\r | |
158 | //\r | |
0f9ebb32 LG |
159 | OldCoreData = (PEI_CORE_INSTANCE *) Data;\r |
160 | SecCoreData = (EFI_SEC_PEI_HAND_OFF *) SecCoreDataPtr;\r | |
192f6d4c | 161 | \r |
40f26b8f | 162 | //\r |
6b22483f | 163 | // Perform PEI Core phase specific actions.\r |
164 | //\r | |
165 | if (OldCoreData == NULL) {\r | |
166 | //\r | |
167 | // If OldCoreData is NULL, means current is the first entry into the PEI Core before memory is available.\r | |
168 | //\r | |
169 | ZeroMem (&PrivateData, sizeof (PEI_CORE_INSTANCE));\r | |
170 | PrivateData.Signature = PEI_CORE_HANDLE_SIGNATURE;\r | |
171 | CopyMem (&PrivateData.ServiceTableShadow, &gPs, sizeof (gPs));\r | |
172 | } else {\r | |
173 | //\r | |
174 | // Memory is available to the PEI Core. See if the PEI Core has been shadowed to memory yet.\r | |
175 | //\r | |
ef05e063 | 176 | if (OldCoreData->ShadowedPeiCore == NULL) {\r |
ef05e063 | 177 | //\r |
178 | // Fixup the PeiCore's private data\r | |
179 | //\r | |
6b22483f | 180 | OldCoreData->Ps = &OldCoreData->ServiceTableShadow;\r |
181 | OldCoreData->CpuIo = &OldCoreData->ServiceTableShadow.CpuIo;\r | |
ef05e063 | 182 | if (OldCoreData->HeapOffsetPositive) {\r |
183 | OldCoreData->HobList.Raw = (VOID *)(OldCoreData->HobList.Raw + OldCoreData->HeapOffset);\r | |
184 | } else {\r | |
185 | OldCoreData->HobList.Raw = (VOID *)(OldCoreData->HobList.Raw - OldCoreData->HeapOffset);\r | |
186 | }\r | |
187 | \r | |
6b22483f | 188 | //\r |
189 | // Initialize libraries that the PEI Core is linked against\r | |
190 | //\r | |
191 | ProcessLibraryConstructorList (NULL, (CONST EFI_PEI_SERVICES **)&OldCoreData->Ps);\r | |
192 | \r | |
ef05e063 | 193 | //\r |
194 | // Fixup for PeiService's address\r | |
195 | //\r | |
196 | SetPeiServicesTablePointer ((CONST EFI_PEI_SERVICES **)&OldCoreData->Ps);\r | |
197 | \r | |
198 | //\r | |
199 | // Update HandOffHob for new installed permenent memory\r | |
200 | //\r | |
201 | HandoffInformationTable = OldCoreData->HobList.HandoffInformationTable;\r | |
202 | if (OldCoreData->HeapOffsetPositive) {\r | |
203 | HandoffInformationTable->EfiEndOfHobList = HandoffInformationTable->EfiEndOfHobList + OldCoreData->HeapOffset;\r | |
204 | } else {\r | |
205 | HandoffInformationTable->EfiEndOfHobList = HandoffInformationTable->EfiEndOfHobList - OldCoreData->HeapOffset;\r | |
206 | }\r | |
207 | HandoffInformationTable->EfiMemoryTop = OldCoreData->PhysicalMemoryBegin + OldCoreData->PhysicalMemoryLength;\r | |
208 | HandoffInformationTable->EfiMemoryBottom = OldCoreData->PhysicalMemoryBegin;\r | |
209 | HandoffInformationTable->EfiFreeMemoryTop = OldCoreData->FreePhysicalMemoryTop;\r | |
210 | HandoffInformationTable->EfiFreeMemoryBottom = HandoffInformationTable->EfiEndOfHobList + sizeof (EFI_HOB_GENERIC_HEADER);\r | |
211 | \r | |
212 | //\r | |
424b7c9f | 213 | // We need convert the PPI descriptor's pointer\r |
ef05e063 | 214 | //\r |
424b7c9f | 215 | ConvertPpiPointers (SecCoreData, OldCoreData);\r |
ef05e063 | 216 | \r |
217 | //\r | |
218 | // After the whole temporary memory is migrated, then we can allocate page in\r | |
219 | // permenent memory.\r | |
220 | //\r | |
221 | OldCoreData->PeiMemoryInstalled = TRUE;\r | |
222 | \r | |
223 | //\r | |
224 | // Indicate that PeiCore reenter\r | |
225 | //\r | |
226 | OldCoreData->PeimDispatcherReenter = TRUE;\r | |
227 | \r | |
228 | if (PcdGet64(PcdLoadModuleAtFixAddressEnable) != 0 && (OldCoreData->HobList.HandoffInformationTable->BootMode != BOOT_ON_S3_RESUME)) {\r | |
229 | //\r | |
230 | // if Loading Module at Fixed Address is enabled, allocate the PEI code memory range usage bit map array.\r | |
231 | // Every bit in the array indicate the status of the corresponding memory page available or not\r | |
232 | //\r | |
233 | OldCoreData->PeiCodeMemoryRangeUsageBitMap = AllocateZeroPool (((PcdGet32(PcdLoadFixAddressPeiCodePageNumber)>>6) + 1)*sizeof(UINT64));\r | |
234 | }\r | |
235 | \r | |
ef05e063 | 236 | //\r |
237 | // Shadow PEI Core. When permanent memory is avaiable, shadow\r | |
238 | // PEI Core and PEIMs to get high performance.\r | |
239 | //\r | |
240 | OldCoreData->ShadowedPeiCore = ShadowPeiCore (OldCoreData);\r | |
241 | \r | |
242 | //\r | |
6b22483f | 243 | // PEI Core has now been shadowed to memory. Restart PEI Core in memory.\r |
ef05e063 | 244 | //\r |
245 | OldCoreData->ShadowedPeiCore (SecCoreData, PpiList, OldCoreData);\r | |
6b22483f | 246 | \r |
247 | //\r | |
248 | // Should never reach here.\r | |
249 | //\r | |
250 | ASSERT (FALSE);\r | |
251 | CpuDeadLoop();\r | |
58dcdada | 252 | }\r |
253 | \r | |
6b22483f | 254 | //\r |
255 | // Memory is available to the PEI Core and the PEI Core has been shadowed to memory.\r | |
256 | //\r | |
0f9ebb32 LG |
257 | CopyMem (&NewSecCoreData, SecCoreDataPtr, sizeof (NewSecCoreData));\r |
258 | SecCoreData = &NewSecCoreData;\r | |
259 | \r | |
ef05e063 | 260 | CopyMem (&PrivateData, OldCoreData, sizeof (PrivateData));\r |
0f9ebb32 | 261 | \r |
b0d803fe | 262 | CpuIo = (VOID*)PrivateData.ServiceTableShadow.CpuIo;\r |
263 | PciCfg = (VOID*)PrivateData.ServiceTableShadow.PciCfg;\r | |
264 | \r | |
b1f6a7c6 | 265 | CopyMem (&PrivateData.ServiceTableShadow, &gPs, sizeof (gPs));\r |
b0d803fe | 266 | \r |
267 | PrivateData.ServiceTableShadow.CpuIo = CpuIo;\r | |
268 | PrivateData.ServiceTableShadow.PciCfg = PciCfg;\r | |
192f6d4c | 269 | }\r |
6b22483f | 270 | \r |
271 | //\r | |
272 | // Cache a pointer to the PEI Services Table that is either in temporary memory or permanent memory\r | |
273 | //\r | |
4140a663 | 274 | PrivateData.Ps = &PrivateData.ServiceTableShadow;\r |
192f6d4c | 275 | \r |
276 | //\r | |
6b22483f | 277 | // Initialize libraries that the PEI Core is linked against\r |
192f6d4c | 278 | //\r |
4140a663 | 279 | ProcessLibraryConstructorList (NULL, (CONST EFI_PEI_SERVICES **)&PrivateData.Ps);\r |
192f6d4c | 280 | \r |
81c7803c | 281 | //\r |
282 | // Save PeiServicePointer so that it can be retrieved anywhere.\r | |
283 | //\r | |
6b22483f | 284 | SetPeiServicesTablePointer ((CONST EFI_PEI_SERVICES **)&PrivateData.Ps);\r |
192f6d4c | 285 | \r |
6b22483f | 286 | //\r |
287 | // Initialize PEI Core Services\r | |
288 | // \r | |
289 | InitializeMemoryServices (&PrivateData, SecCoreData, OldCoreData);\r | |
290 | InitializePpiServices (&PrivateData, OldCoreData);\r | |
291 | \r | |
292 | //\r | |
293 | // Update performance measurements \r | |
294 | //\r | |
295 | if (OldCoreData == NULL) {\r | |
296 | PERF_START (NULL, "SEC", NULL, 1);\r | |
297 | PERF_END (NULL, "SEC", NULL, 0);\r | |
192f6d4c | 298 | \r |
192f6d4c | 299 | //\r |
6b22483f | 300 | // If first pass, start performance measurement.\r |
192f6d4c | 301 | //\r |
6b22483f | 302 | PERF_START (NULL,"PEI", NULL, 0);\r |
303 | PERF_START (NULL,"PreMem", NULL, 0);\r | |
192f6d4c | 304 | \r |
305 | } else {\r | |
6b22483f | 306 | PERF_END (NULL,"PreMem", NULL, 0);\r |
307 | PERF_START (NULL,"PostMem", NULL, 0);\r | |
308 | }\r | |
309 | \r | |
310 | //\r | |
311 | // Complete PEI Core Service initialization\r | |
312 | // \r | |
313 | InitializeSecurityServices (&PrivateData.Ps, OldCoreData);\r | |
314 | InitializeDispatcherData (&PrivateData, OldCoreData, SecCoreData);\r | |
315 | InitializeImageServices (&PrivateData, OldCoreData);\r | |
192f6d4c | 316 | \r |
6b22483f | 317 | //\r |
318 | // Perform PEI Core Phase specific actions\r | |
319 | // \r | |
320 | if (OldCoreData == NULL) {\r | |
192f6d4c | 321 | //\r |
322 | // Report Status Code EFI_SW_PC_INIT\r | |
323 | //\r | |
324 | REPORT_STATUS_CODE (\r | |
325 | EFI_PROGRESS_CODE,\r | |
f9876ecf | 326 | (EFI_SOFTWARE_PEI_CORE | EFI_SW_PC_INIT)\r |
192f6d4c | 327 | );\r |
008d4018 | 328 | \r |
192f6d4c | 329 | //\r |
330 | // If SEC provided any PPI services to PEI, install them.\r | |
331 | //\r | |
5088e385 | 332 | if (PpiList != NULL) {\r |
333 | Status = PeiServicesInstallPpi (PpiList);\r | |
192f6d4c | 334 | ASSERT_EFI_ERROR (Status);\r |
335 | }\r | |
6b22483f | 336 | } else {\r |
0f9ebb32 LG |
337 | //\r |
338 | // Try to locate Temporary RAM Done Ppi.\r | |
339 | //\r | |
340 | Status = PeiServicesLocatePpi (\r | |
341 | &gEfiTemporaryRamDonePpiGuid,\r | |
342 | 0,\r | |
343 | NULL,\r | |
344 | (VOID**)&TemporaryRamDonePpi\r | |
345 | );\r | |
346 | if (!EFI_ERROR (Status)) {\r | |
347 | //\r | |
348 | // Disable the use of Temporary RAM after the transition from Temporary RAM to Permanent RAM is complete.\r | |
349 | //\r | |
350 | TemporaryRamDonePpi->TemporaryRamDone ();\r | |
351 | }\r | |
352 | \r | |
6b22483f | 353 | //\r |
354 | // Alert any listeners that there is permanent memory available\r | |
355 | //\r | |
356 | PERF_START (NULL,"DisMem", NULL, 0);\r | |
357 | Status = PeiServicesInstallPpi (&mMemoryDiscoveredPpi);\r | |
b0d803fe | 358 | \r |
6b22483f | 359 | //\r |
360 | // Process the Notify list and dispatch any notifies for the Memory Discovered PPI\r | |
361 | //\r | |
362 | ProcessNotifyList (&PrivateData);\r | |
b0d803fe | 363 | \r |
6b22483f | 364 | PERF_END (NULL,"DisMem", NULL, 0);\r |
365 | }\r | |
192f6d4c | 366 | \r |
367 | //\r | |
368 | // Call PEIM dispatcher\r | |
369 | //\r | |
b0d803fe | 370 | PeiDispatcher (SecCoreData, &PrivateData);\r |
192f6d4c | 371 | \r |
372 | //\r | |
373 | // Check if InstallPeiMemory service was called.\r | |
374 | //\r | |
375 | ASSERT(PrivateData.PeiMemoryInstalled == TRUE);\r | |
376 | \r | |
40f26b8f | 377 | //\r |
6b22483f | 378 | // Measure PEI Core execution time.\r |
40f26b8f | 379 | //\r |
192f6d4c | 380 | PERF_END (NULL, "PostMem", NULL, 0);\r |
381 | \r | |
6b22483f | 382 | //\r |
383 | // Lookup DXE IPL PPI\r | |
384 | //\r | |
192f6d4c | 385 | Status = PeiServicesLocatePpi (\r |
386 | &gEfiDxeIplPpiGuid,\r | |
387 | 0,\r | |
388 | NULL,\r | |
389 | (VOID **)&TempPtr.DxeIpl\r | |
390 | );\r | |
391 | ASSERT_EFI_ERROR (Status);\r | |
392 | \r | |
40f26b8f | 393 | //\r |
394 | // Enter DxeIpl to load Dxe core.\r | |
395 | //\r | |
192f6d4c | 396 | DEBUG ((EFI_D_INFO, "DXE IPL Entry\n"));\r |
397 | Status = TempPtr.DxeIpl->Entry (\r | |
398 | TempPtr.DxeIpl,\r | |
4140a663 | 399 | &PrivateData.Ps,\r |
192f6d4c | 400 | PrivateData.HobList\r |
401 | );\r | |
0308e20d | 402 | //\r |
403 | // Should never reach here.\r | |
404 | //\r | |
192f6d4c | 405 | ASSERT_EFI_ERROR (Status);\r |
0308e20d | 406 | CpuDeadLoop();\r |
192f6d4c | 407 | }\r |