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615c6dd0 | 1 | /** @file\r |
b1f6a7c6 | 2 | EFI PEI Core dispatch services\r |
d1102dba LG |
3 | \r |
4 | Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r | |
d7bd924f | 5 | (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>\r |
cd5ebaa0 | 6 | This program and the accompanying materials\r |
192f6d4c | 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 | |
13 | \r | |
615c6dd0 | 14 | **/\r |
192f6d4c | 15 | \r |
0d516397 | 16 | #include "PeiMain.h"\r |
192f6d4c | 17 | \r |
b1f6a7c6 | 18 | /**\r |
b0d803fe | 19 | \r |
20 | Discover all Peims and optional Apriori file in one FV. There is at most one\r | |
21 | Apriori file in one FV.\r | |
22 | \r | |
b0d803fe | 23 | \r |
3b428ade | 24 | @param Private Pointer to the private data passed in from caller\r |
25 | @param CoreFileHandle The instance of PEI_CORE_FV_HANDLE.\r | |
b0d803fe | 26 | \r |
b1f6a7c6 | 27 | **/\r |
28 | VOID\r | |
29 | DiscoverPeimsAndOrderWithApriori (\r | |
30 | IN PEI_CORE_INSTANCE *Private,\r | |
3b428ade | 31 | IN PEI_CORE_FV_HANDLE *CoreFileHandle\r |
b1f6a7c6 | 32 | )\r |
b0d803fe | 33 | {\r |
34 | EFI_STATUS Status;\r | |
890e5417 | 35 | EFI_PEI_FILE_HANDLE FileHandle;\r |
177aabe6 | 36 | EFI_PEI_FILE_HANDLE AprioriFileHandle;\r |
b0d803fe | 37 | EFI_GUID *Apriori;\r |
38 | UINTN Index;\r | |
39 | UINTN Index2;\r | |
40 | UINTN PeimIndex;\r | |
41 | UINTN PeimCount;\r | |
42 | EFI_GUID *Guid;\r | |
fe781940 | 43 | EFI_PEI_FILE_HANDLE *TempFileHandles;\r |
b62fe570 | 44 | EFI_GUID *TempFileGuid;\r |
3b428ade | 45 | EFI_PEI_FIRMWARE_VOLUME_PPI *FvPpi;\r |
46 | EFI_FV_FILE_INFO FileInfo;\r | |
d1102dba | 47 | \r |
3b428ade | 48 | FvPpi = CoreFileHandle->FvPpi;\r |
d1102dba | 49 | \r |
b0d803fe | 50 | //\r |
51 | // Walk the FV and find all the PEIMs and the Apriori file.\r | |
52 | //\r | |
53 | AprioriFileHandle = NULL;\r | |
b62fe570 | 54 | Private->CurrentFvFileHandles = NULL;\r |
b0d803fe | 55 | Guid = NULL;\r |
b0d803fe | 56 | \r |
57 | //\r | |
b62fe570 | 58 | // If the current Fv has been scanned, directly get its cached records.\r |
b0d803fe | 59 | //\r |
b62fe570 SZ |
60 | if (CoreFileHandle->ScanFv) {\r |
61 | Private->CurrentFvFileHandles = CoreFileHandle->FvFileHandles;\r | |
b0d803fe | 62 | return;\r |
63 | }\r | |
64 | \r | |
b62fe570 SZ |
65 | TempFileHandles = Private->TempFileHandles;\r |
66 | TempFileGuid = Private->TempFileGuid;\r | |
67 | \r | |
b0d803fe | 68 | //\r |
b62fe570 | 69 | // Go ahead to scan this Fv, get PeimCount and cache FileHandles within it to TempFileHandles.\r |
b0d803fe | 70 | //\r |
b62fe570 SZ |
71 | PeimCount = 0;\r |
72 | FileHandle = NULL;\r | |
73 | do {\r | |
3b428ade | 74 | Status = FvPpi->FindFileByType (FvPpi, PEI_CORE_INTERNAL_FFS_FILE_DISPATCH_TYPE, CoreFileHandle->FvHandle, &FileHandle);\r |
b62fe570 SZ |
75 | if (!EFI_ERROR (Status)) {\r |
76 | if (PeimCount >= Private->TempPeimCount) {\r | |
77 | //\r | |
78 | // Run out of room, grow the buffer.\r | |
79 | //\r | |
80 | TempFileHandles = AllocatePool (\r | |
81 | sizeof (EFI_PEI_FILE_HANDLE) * (Private->TempPeimCount + TEMP_FILE_GROWTH_STEP));\r | |
82 | ASSERT (TempFileHandles != NULL);\r | |
83 | CopyMem (\r | |
84 | TempFileHandles,\r | |
85 | Private->TempFileHandles,\r | |
86 | sizeof (EFI_PEI_FILE_HANDLE) * Private->TempPeimCount\r | |
87 | );\r | |
88 | Private->TempFileHandles = TempFileHandles;\r | |
89 | TempFileGuid = AllocatePool (\r | |
90 | sizeof (EFI_GUID) * (Private->TempPeimCount + TEMP_FILE_GROWTH_STEP));\r | |
91 | ASSERT (TempFileGuid != NULL);\r | |
92 | CopyMem (\r | |
93 | TempFileGuid,\r | |
94 | Private->TempFileGuid,\r | |
95 | sizeof (EFI_GUID) * Private->TempPeimCount\r | |
96 | );\r | |
97 | Private->TempFileGuid = TempFileGuid;\r | |
98 | Private->TempPeimCount = Private->TempPeimCount + TEMP_FILE_GROWTH_STEP;\r | |
99 | }\r | |
100 | \r | |
101 | TempFileHandles[PeimCount++] = FileHandle;\r | |
b0d803fe | 102 | }\r |
b62fe570 SZ |
103 | } while (!EFI_ERROR (Status));\r |
104 | \r | |
105 | DEBUG ((\r | |
106 | DEBUG_INFO,\r | |
107 | "%a(): Found 0x%x PEI FFS files in the %dth FV\n",\r | |
108 | __FUNCTION__,\r | |
109 | PeimCount,\r | |
110 | Private->CurrentPeimFvCount\r | |
111 | ));\r | |
58dcdada | 112 | \r |
b62fe570 SZ |
113 | if (PeimCount == 0) {\r |
114 | //\r | |
115 | // No PEIM FFS file is found, set ScanFv flag and return.\r | |
116 | //\r | |
117 | CoreFileHandle->ScanFv = TRUE;\r | |
118 | return;\r | |
b0d803fe | 119 | }\r |
9b8e61be | 120 | \r |
97b2c9b5 | 121 | //\r |
b62fe570 | 122 | // Record PeimCount, allocate buffer for PeimState and FvFileHandles.\r |
97b2c9b5 | 123 | //\r |
b62fe570 SZ |
124 | CoreFileHandle->PeimCount = PeimCount;\r |
125 | CoreFileHandle->PeimState = AllocateZeroPool (sizeof (UINT8) * PeimCount);\r | |
126 | ASSERT (CoreFileHandle->PeimState != NULL);\r | |
127 | CoreFileHandle->FvFileHandles = AllocateZeroPool (sizeof (EFI_PEI_FILE_HANDLE) * PeimCount);\r | |
128 | ASSERT (CoreFileHandle->FvFileHandles != NULL);\r | |
b0d803fe | 129 | \r |
3b428ade | 130 | //\r |
131 | // Get Apriori File handle\r | |
132 | //\r | |
58dcdada | 133 | Private->AprioriCount = 0;\r |
3b428ade | 134 | Status = FvPpi->FindFileByName (FvPpi, &gPeiAprioriFileNameGuid, &CoreFileHandle->FvHandle, &AprioriFileHandle);\r |
135 | if (!EFI_ERROR(Status) && AprioriFileHandle != NULL) {\r | |
b0d803fe | 136 | //\r |
137 | // Read the Apriori file\r | |
138 | //\r | |
3b428ade | 139 | Status = FvPpi->FindSectionByType (FvPpi, EFI_SECTION_RAW, AprioriFileHandle, (VOID **) &Apriori);\r |
b0d803fe | 140 | if (!EFI_ERROR (Status)) {\r |
141 | //\r | |
b62fe570 | 142 | // Calculate the number of PEIMs in the Apriori file\r |
b0d803fe | 143 | //\r |
3b428ade | 144 | Status = FvPpi->GetFileInfo (FvPpi, AprioriFileHandle, &FileInfo);\r |
145 | ASSERT_EFI_ERROR (Status);\r | |
890e5417 SZ |
146 | Private->AprioriCount = FileInfo.BufferSize;\r |
147 | if (IS_SECTION2 (FileInfo.Buffer)) {\r | |
148 | Private->AprioriCount -= sizeof (EFI_COMMON_SECTION_HEADER2);\r | |
149 | } else {\r | |
150 | Private->AprioriCount -= sizeof (EFI_COMMON_SECTION_HEADER);\r | |
151 | }\r | |
b0d803fe | 152 | Private->AprioriCount /= sizeof (EFI_GUID);\r |
58dcdada | 153 | \r |
b0d803fe | 154 | for (Index = 0; Index < PeimCount; Index++) {\r |
155 | //\r | |
156 | // Make an array of file name guids that matches the FileHandle array so we can convert\r | |
157 | // quickly from file name to file handle\r | |
158 | //\r | |
b62fe570 SZ |
159 | Status = FvPpi->GetFileInfo (FvPpi, TempFileHandles[Index], &FileInfo);\r |
160 | ASSERT_EFI_ERROR (Status);\r | |
161 | CopyMem (&TempFileGuid[Index], &FileInfo.FileName, sizeof(EFI_GUID));\r | |
b0d803fe | 162 | }\r |
163 | \r | |
164 | //\r | |
b62fe570 SZ |
165 | // Walk through TempFileGuid array to find out who is invalid PEIM guid in Apriori file.\r |
166 | // Add available PEIMs in Apriori file into FvFileHandles array.\r | |
b0d803fe | 167 | //\r |
b62fe570 SZ |
168 | Index = 0;\r |
169 | for (Index2 = 0; Index2 < Private->AprioriCount; Index2++) {\r | |
170 | Guid = ScanGuid (TempFileGuid, PeimCount * sizeof (EFI_GUID), &Apriori[Index2]);\r | |
171 | if (Guid != NULL) {\r | |
172 | PeimIndex = ((UINTN)Guid - (UINTN)&TempFileGuid[0])/sizeof (EFI_GUID);\r | |
173 | CoreFileHandle->FvFileHandles[Index++] = TempFileHandles[PeimIndex];\r | |
b0d803fe | 174 | \r |
b62fe570 SZ |
175 | //\r |
176 | // Since we have copied the file handle we can remove it from this list.\r | |
177 | //\r | |
178 | TempFileHandles[PeimIndex] = NULL;\r | |
179 | }\r | |
b0d803fe | 180 | }\r |
181 | \r | |
182 | //\r | |
b62fe570 | 183 | // Update valid AprioriCount\r |
b0d803fe | 184 | //\r |
185 | Private->AprioriCount = Index;\r | |
58dcdada | 186 | \r |
b0d803fe | 187 | //\r |
188 | // Add in any PEIMs not in the Apriori file\r | |
189 | //\r | |
b62fe570 SZ |
190 | for (Index2 = 0; Index2 < PeimCount; Index2++) {\r |
191 | if (TempFileHandles[Index2] != NULL) {\r | |
192 | CoreFileHandle->FvFileHandles[Index++] = TempFileHandles[Index2];\r | |
193 | TempFileHandles[Index2] = NULL;\r | |
b0d803fe | 194 | }\r |
195 | }\r | |
b62fe570 | 196 | ASSERT (Index == PeimCount);\r |
b0d803fe | 197 | }\r |
b62fe570 SZ |
198 | } else {\r |
199 | CopyMem (CoreFileHandle->FvFileHandles, TempFileHandles, sizeof (EFI_PEI_FILE_HANDLE) * PeimCount);\r | |
b0d803fe | 200 | }\r |
b62fe570 | 201 | \r |
b0d803fe | 202 | //\r |
b62fe570 SZ |
203 | // The current Fv File Handles have been cached. So that we don't have to scan the Fv again.\r |
204 | // Instead, we can retrieve the file handles within this Fv from cached records.\r | |
b0d803fe | 205 | //\r |
b62fe570 SZ |
206 | CoreFileHandle->ScanFv = TRUE;\r |
207 | Private->CurrentFvFileHandles = CoreFileHandle->FvFileHandles;\r | |
58dcdada | 208 | }\r |
209 | \r | |
54ea99a7 | 210 | //\r |
211 | // This is the minimum memory required by DxeCore initialization. When LMFA feature enabled,\r | |
d1102dba | 212 | // This part of memory still need reserved on the very top of memory so that the DXE Core could\r |
54ea99a7 | 213 | // use these memory for data initialization. This macro should be sync with the same marco\r |
214 | // defined in DXE Core.\r | |
215 | //\r | |
216 | #define MINIMUM_INITIAL_MEMORY_SIZE 0x10000\r | |
9bfb4940 | 217 | /**\r |
d1102dba LG |
218 | This function is to test if the memory range described in resource HOB is available or not.\r |
219 | \r | |
220 | This function should only be invoked when Loading Module at Fixed Address(LMFA) feature is enabled. Some platform may allocate the\r | |
9bfb4940 | 221 | memory before PeiLoadFixAddressHook in invoked. so this function is to test if the memory range described by the input resource HOB is\r |
222 | available or not.\r | |
223 | \r | |
224 | @param PrivateData Pointer to the private data passed in from caller\r | |
225 | @param ResourceHob Pointer to a resource HOB which described the memory range described by the input resource HOB\r | |
226 | **/\r | |
227 | BOOLEAN\r | |
228 | PeiLoadFixAddressIsMemoryRangeAvailable (\r | |
229 | IN PEI_CORE_INSTANCE *PrivateData,\r | |
230 | IN EFI_HOB_RESOURCE_DESCRIPTOR *ResourceHob\r | |
231 | )\r | |
232 | {\r | |
d1102dba LG |
233 | EFI_HOB_MEMORY_ALLOCATION *MemoryHob;\r |
234 | BOOLEAN IsAvailable;\r | |
235 | EFI_PEI_HOB_POINTERS Hob;\r | |
236 | \r | |
9bfb4940 | 237 | IsAvailable = TRUE;\r |
d1102dba LG |
238 | if (PrivateData == NULL || ResourceHob == NULL) {\r |
239 | return FALSE;\r | |
240 | }\r | |
241 | //\r | |
9bfb4940 | 242 | // test if the memory range describe in the HOB is already allocated.\r |
243 | //\r | |
244 | for (Hob.Raw = PrivateData->HobList.Raw; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
9bfb4940 | 245 | //\r |
d1102dba LG |
246 | // See if this is a memory allocation HOB\r |
247 | //\r | |
248 | if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_MEMORY_ALLOCATION) {\r | |
9bfb4940 | 249 | MemoryHob = Hob.MemoryAllocation;\r |
d1102dba | 250 | if(MemoryHob->AllocDescriptor.MemoryBaseAddress == ResourceHob->PhysicalStart &&\r |
9bfb4940 | 251 | MemoryHob->AllocDescriptor.MemoryBaseAddress + MemoryHob->AllocDescriptor.MemoryLength == ResourceHob->PhysicalStart + ResourceHob->ResourceLength) {\r |
252 | IsAvailable = FALSE;\r | |
d1102dba | 253 | break;\r |
9bfb4940 | 254 | }\r |
255 | }\r | |
256 | }\r | |
d1102dba | 257 | \r |
9bfb4940 | 258 | return IsAvailable;\r |
d1102dba | 259 | \r |
9bfb4940 | 260 | }\r |
54ea99a7 | 261 | /**\r |
262 | Hook function for Loading Module at Fixed Address feature\r | |
d1102dba | 263 | \r |
54ea99a7 | 264 | This function should only be invoked when Loading Module at Fixed Address(LMFA) feature is enabled. When feature is\r |
d1102dba LG |
265 | configured as Load Modules at Fix Absolute Address, this function is to validate the top address assigned by user. When\r |
266 | feature is configured as Load Modules at Fixed Offset, the functino is to find the top address which is TOLM-TSEG in general.\r | |
267 | And also the function will re-install PEI memory.\r | |
b0d803fe | 268 | \r |
54ea99a7 | 269 | @param PrivateData Pointer to the private data passed in from caller\r |
270 | \r | |
271 | **/\r | |
272 | VOID\r | |
273 | PeiLoadFixAddressHook(\r | |
274 | IN PEI_CORE_INSTANCE *PrivateData\r | |
275 | )\r | |
276 | {\r | |
277 | EFI_PHYSICAL_ADDRESS TopLoadingAddress;\r | |
278 | UINT64 PeiMemorySize;\r | |
279 | UINT64 TotalReservedMemorySize;\r | |
280 | UINT64 MemoryRangeEnd;\r | |
d1102dba | 281 | EFI_PHYSICAL_ADDRESS HighAddress;\r |
54ea99a7 | 282 | EFI_HOB_RESOURCE_DESCRIPTOR *ResourceHob;\r |
283 | EFI_HOB_RESOURCE_DESCRIPTOR *NextResourceHob;\r | |
284 | EFI_HOB_RESOURCE_DESCRIPTOR *CurrentResourceHob;\r | |
285 | EFI_PEI_HOB_POINTERS CurrentHob;\r | |
286 | EFI_PEI_HOB_POINTERS Hob;\r | |
287 | EFI_PEI_HOB_POINTERS NextHob;\r | |
9bfb4940 | 288 | EFI_HOB_MEMORY_ALLOCATION *MemoryHob;\r |
54ea99a7 | 289 | //\r |
290 | // Initialize Local Variables\r | |
291 | //\r | |
292 | CurrentResourceHob = NULL;\r | |
293 | ResourceHob = NULL;\r | |
294 | NextResourceHob = NULL;\r | |
54ea99a7 | 295 | HighAddress = 0;\r |
296 | TopLoadingAddress = 0;\r | |
297 | MemoryRangeEnd = 0;\r | |
298 | CurrentHob.Raw = PrivateData->HobList.Raw;\r | |
299 | PeiMemorySize = PrivateData->PhysicalMemoryLength;\r | |
300 | //\r | |
301 | // The top reserved memory include 3 parts: the topest range is for DXE core initialization with the size MINIMUM_INITIAL_MEMORY_SIZE\r | |
302 | // then RuntimeCodePage range and Boot time code range.\r | |
d1102dba | 303 | //\r |
e18fa167 | 304 | TotalReservedMemorySize = MINIMUM_INITIAL_MEMORY_SIZE + EFI_PAGES_TO_SIZE(PcdGet32(PcdLoadFixAddressRuntimeCodePageNumber));\r |
d1102dba | 305 | TotalReservedMemorySize+= EFI_PAGES_TO_SIZE(PcdGet32(PcdLoadFixAddressBootTimeCodePageNumber)) ;\r |
54ea99a7 | 306 | //\r |
307 | // PEI memory range lies below the top reserved memory\r | |
d1102dba | 308 | //\r |
54ea99a7 | 309 | TotalReservedMemorySize += PeiMemorySize;\r |
d1102dba | 310 | \r |
852081fc | 311 | DEBUG ((EFI_D_INFO, "LOADING MODULE FIXED INFO: PcdLoadFixAddressRuntimeCodePageNumber= 0x%x.\n", PcdGet32(PcdLoadFixAddressRuntimeCodePageNumber)));\r |
312 | DEBUG ((EFI_D_INFO, "LOADING MODULE FIXED INFO: PcdLoadFixAddressBootTimeCodePageNumber= 0x%x.\n", PcdGet32(PcdLoadFixAddressBootTimeCodePageNumber)));\r | |
d1102dba | 313 | DEBUG ((EFI_D_INFO, "LOADING MODULE FIXED INFO: PcdLoadFixAddressPeiCodePageNumber= 0x%x.\n", PcdGet32(PcdLoadFixAddressPeiCodePageNumber)));\r |
852081fc | 314 | DEBUG ((EFI_D_INFO, "LOADING MODULE FIXED INFO: Total Reserved Memory Size = 0x%lx.\n", TotalReservedMemorySize));\r |
54ea99a7 | 315 | //\r |
d1102dba | 316 | // Loop through the system memory typed hob to merge the adjacent memory range\r |
54ea99a7 | 317 | //\r |
318 | for (Hob.Raw = PrivateData->HobList.Raw; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
d1102dba LG |
319 | //\r |
320 | // See if this is a resource descriptor HOB\r | |
54ea99a7 | 321 | //\r |
322 | if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
d1102dba LG |
323 | \r |
324 | ResourceHob = Hob.ResourceDescriptor;\r | |
54ea99a7 | 325 | //\r |
326 | // If range described in this hob is not system memory or heigher than MAX_ADDRESS, ignored.\r | |
327 | //\r | |
63e70348 | 328 | if (ResourceHob->ResourceType != EFI_RESOURCE_SYSTEM_MEMORY ||\r |
54ea99a7 | 329 | ResourceHob->PhysicalStart + ResourceHob->ResourceLength > MAX_ADDRESS) {\r |
330 | continue;\r | |
d1102dba LG |
331 | }\r |
332 | \r | |
333 | for (NextHob.Raw = PrivateData->HobList.Raw; !END_OF_HOB_LIST(NextHob); NextHob.Raw = GET_NEXT_HOB(NextHob)) {\r | |
54ea99a7 | 334 | if (NextHob.Raw == Hob.Raw){\r |
335 | continue;\r | |
d1102dba | 336 | }\r |
54ea99a7 | 337 | //\r |
338 | // See if this is a resource descriptor HOB\r | |
339 | //\r | |
340 | if (GET_HOB_TYPE (NextHob) == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
d1102dba | 341 | \r |
54ea99a7 | 342 | NextResourceHob = NextHob.ResourceDescriptor;\r |
343 | //\r | |
344 | // test if range described in this NextResourceHob is system memory and have the same attribute.\r | |
345 | // Note: Here is a assumption that system memory should always be healthy even without test.\r | |
d1102dba | 346 | //\r |
54ea99a7 | 347 | if (NextResourceHob->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY &&\r |
348 | (((NextResourceHob->ResourceAttribute^ResourceHob->ResourceAttribute)&(~EFI_RESOURCE_ATTRIBUTE_TESTED)) == 0)){\r | |
d1102dba | 349 | \r |
54ea99a7 | 350 | //\r |
351 | // See if the memory range described in ResourceHob and NextResourceHob is adjacent\r | |
352 | //\r | |
d1102dba LG |
353 | if ((ResourceHob->PhysicalStart <= NextResourceHob->PhysicalStart &&\r |
354 | ResourceHob->PhysicalStart + ResourceHob->ResourceLength >= NextResourceHob->PhysicalStart)||\r | |
54ea99a7 | 355 | (ResourceHob->PhysicalStart >= NextResourceHob->PhysicalStart&&\r |
356 | ResourceHob->PhysicalStart <= NextResourceHob->PhysicalStart + NextResourceHob->ResourceLength)) {\r | |
d1102dba | 357 | \r |
54ea99a7 | 358 | MemoryRangeEnd = ((ResourceHob->PhysicalStart + ResourceHob->ResourceLength)>(NextResourceHob->PhysicalStart + NextResourceHob->ResourceLength)) ?\r |
359 | (ResourceHob->PhysicalStart + ResourceHob->ResourceLength):(NextResourceHob->PhysicalStart + NextResourceHob->ResourceLength);\r | |
d1102dba LG |
360 | \r |
361 | ResourceHob->PhysicalStart = (ResourceHob->PhysicalStart < NextResourceHob->PhysicalStart) ?\r | |
54ea99a7 | 362 | ResourceHob->PhysicalStart : NextResourceHob->PhysicalStart;\r |
d1102dba LG |
363 | \r |
364 | \r | |
54ea99a7 | 365 | ResourceHob->ResourceLength = (MemoryRangeEnd - ResourceHob->PhysicalStart);\r |
d1102dba | 366 | \r |
54ea99a7 | 367 | ResourceHob->ResourceAttribute = ResourceHob->ResourceAttribute & (~EFI_RESOURCE_ATTRIBUTE_TESTED);\r |
368 | //\r | |
369 | // Delete the NextResourceHob by marking it as unused.\r | |
370 | //\r | |
371 | GET_HOB_TYPE (NextHob) = EFI_HOB_TYPE_UNUSED;\r | |
d1102dba | 372 | \r |
54ea99a7 | 373 | }\r |
374 | }\r | |
d1102dba | 375 | }\r |
54ea99a7 | 376 | }\r |
d1102dba | 377 | }\r |
54ea99a7 | 378 | }\r |
9bfb4940 | 379 | //\r |
380 | // Some platform is already allocated pages before the HOB re-org. Here to build dedicated resource HOB to describe\r | |
381 | // the allocated memory range\r | |
382 | //\r | |
383 | for (Hob.Raw = PrivateData->HobList.Raw; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
d1102dba LG |
384 | //\r |
385 | // See if this is a memory allocation HOB\r | |
9bfb4940 | 386 | //\r |
387 | if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_MEMORY_ALLOCATION) {\r | |
388 | MemoryHob = Hob.MemoryAllocation;\r | |
389 | for (NextHob.Raw = PrivateData->HobList.Raw; !END_OF_HOB_LIST(NextHob); NextHob.Raw = GET_NEXT_HOB(NextHob)) {\r | |
390 | //\r | |
391 | // See if this is a resource descriptor HOB\r | |
392 | //\r | |
393 | if (GET_HOB_TYPE (NextHob) == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
d1102dba | 394 | NextResourceHob = NextHob.ResourceDescriptor;\r |
9bfb4940 | 395 | //\r |
396 | // If range described in this hob is not system memory or heigher than MAX_ADDRESS, ignored.\r | |
397 | //\r | |
63e70348 | 398 | if (NextResourceHob->ResourceType != EFI_RESOURCE_SYSTEM_MEMORY || NextResourceHob->PhysicalStart + NextResourceHob->ResourceLength > MAX_ADDRESS) {\r |
9bfb4940 | 399 | continue;\r |
400 | }\r | |
401 | //\r | |
402 | // If the range describe in memory allocation HOB belongs to the memroy range described by the resource hob\r | |
d1102dba LG |
403 | //\r |
404 | if (MemoryHob->AllocDescriptor.MemoryBaseAddress >= NextResourceHob->PhysicalStart &&\r | |
9bfb4940 | 405 | MemoryHob->AllocDescriptor.MemoryBaseAddress + MemoryHob->AllocDescriptor.MemoryLength <= NextResourceHob->PhysicalStart + NextResourceHob->ResourceLength) {\r |
406 | //\r | |
407 | // Build seperate resource hob for this allocated range\r | |
d1102dba | 408 | //\r |
9bfb4940 | 409 | if (MemoryHob->AllocDescriptor.MemoryBaseAddress > NextResourceHob->PhysicalStart) {\r |
410 | BuildResourceDescriptorHob (\r | |
d1102dba | 411 | EFI_RESOURCE_SYSTEM_MEMORY,\r |
9bfb4940 | 412 | NextResourceHob->ResourceAttribute,\r |
d1102dba LG |
413 | NextResourceHob->PhysicalStart,\r |
414 | (MemoryHob->AllocDescriptor.MemoryBaseAddress - NextResourceHob->PhysicalStart)\r | |
9bfb4940 | 415 | );\r |
416 | }\r | |
417 | if (MemoryHob->AllocDescriptor.MemoryBaseAddress + MemoryHob->AllocDescriptor.MemoryLength < NextResourceHob->PhysicalStart + NextResourceHob->ResourceLength) {\r | |
418 | BuildResourceDescriptorHob (\r | |
d1102dba | 419 | EFI_RESOURCE_SYSTEM_MEMORY,\r |
9bfb4940 | 420 | NextResourceHob->ResourceAttribute,\r |
d1102dba LG |
421 | MemoryHob->AllocDescriptor.MemoryBaseAddress + MemoryHob->AllocDescriptor.MemoryLength,\r |
422 | (NextResourceHob->PhysicalStart + NextResourceHob->ResourceLength -(MemoryHob->AllocDescriptor.MemoryBaseAddress + MemoryHob->AllocDescriptor.MemoryLength))\r | |
9bfb4940 | 423 | );\r |
424 | }\r | |
425 | NextResourceHob->PhysicalStart = MemoryHob->AllocDescriptor.MemoryBaseAddress;\r | |
426 | NextResourceHob->ResourceLength = MemoryHob->AllocDescriptor.MemoryLength;\r | |
427 | break;\r | |
428 | }\r | |
429 | }\r | |
430 | }\r | |
431 | }\r | |
432 | }\r | |
433 | \r | |
54ea99a7 | 434 | //\r |
435 | // Try to find and validate the TOP address.\r | |
d1102dba | 436 | //\r |
852081fc | 437 | if ((INT64)PcdGet64(PcdLoadModuleAtFixAddressEnable) > 0 ) {\r |
54ea99a7 | 438 | //\r |
439 | // The LMFA feature is enabled as load module at fixed absolute address.\r | |
440 | //\r | |
852081fc | 441 | TopLoadingAddress = (EFI_PHYSICAL_ADDRESS)PcdGet64(PcdLoadModuleAtFixAddressEnable);\r |
54ea99a7 | 442 | DEBUG ((EFI_D_INFO, "LOADING MODULE FIXED INFO: Loading module at fixed absolute address.\n"));\r |
443 | //\r | |
444 | // validate the Address. Loop the resource descriptor HOB to make sure the address is in valid memory range\r | |
445 | //\r | |
446 | if ((TopLoadingAddress & EFI_PAGE_MASK) != 0) {\r | |
d1102dba LG |
447 | DEBUG ((EFI_D_INFO, "LOADING MODULE FIXED ERROR:Top Address 0x%lx is invalid since top address should be page align. \n", TopLoadingAddress));\r |
448 | ASSERT (FALSE);\r | |
54ea99a7 | 449 | }\r |
450 | //\r | |
d1102dba | 451 | // Search for a memory region that is below MAX_ADDRESS and in which TopLoadingAddress lies\r |
54ea99a7 | 452 | //\r |
453 | for (Hob.Raw = PrivateData->HobList.Raw; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
454 | //\r | |
455 | // See if this is a resource descriptor HOB\r | |
456 | //\r | |
457 | if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
458 | \r | |
459 | ResourceHob = Hob.ResourceDescriptor;\r | |
460 | //\r | |
461 | // See if this resource descrior HOB describes tested system memory below MAX_ADDRESS\r | |
d1102dba | 462 | //\r |
54ea99a7 | 463 | if (ResourceHob->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY &&\r |
464 | ResourceHob->PhysicalStart + ResourceHob->ResourceLength <= MAX_ADDRESS) {\r | |
465 | //\r | |
466 | // See if Top address specified by user is valid.\r | |
467 | //\r | |
d1102dba LG |
468 | if (ResourceHob->PhysicalStart + TotalReservedMemorySize < TopLoadingAddress &&\r |
469 | (ResourceHob->PhysicalStart + ResourceHob->ResourceLength - MINIMUM_INITIAL_MEMORY_SIZE) >= TopLoadingAddress &&\r | |
9bfb4940 | 470 | PeiLoadFixAddressIsMemoryRangeAvailable(PrivateData, ResourceHob)) {\r |
d1102dba | 471 | CurrentResourceHob = ResourceHob;\r |
54ea99a7 | 472 | CurrentHob = Hob;\r |
473 | break;\r | |
9bfb4940 | 474 | }\r |
54ea99a7 | 475 | }\r |
d1102dba LG |
476 | }\r |
477 | }\r | |
54ea99a7 | 478 | if (CurrentResourceHob != NULL) {\r |
852081fc | 479 | DEBUG ((EFI_D_INFO, "LOADING MODULE FIXED INFO:Top Address 0x%lx is valid \n", TopLoadingAddress));\r |
d1102dba | 480 | TopLoadingAddress += MINIMUM_INITIAL_MEMORY_SIZE;\r |
54ea99a7 | 481 | } else {\r |
d1102dba LG |
482 | DEBUG ((EFI_D_INFO, "LOADING MODULE FIXED ERROR:Top Address 0x%lx is invalid \n", TopLoadingAddress));\r |
483 | DEBUG ((EFI_D_INFO, "LOADING MODULE FIXED ERROR:The recommended Top Address for the platform is: \n"));\r | |
54ea99a7 | 484 | //\r |
485 | // Print the recomended Top address range.\r | |
d1102dba | 486 | //\r |
54ea99a7 | 487 | for (Hob.Raw = PrivateData->HobList.Raw; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r |
488 | //\r | |
489 | // See if this is a resource descriptor HOB\r | |
490 | //\r | |
491 | if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
d1102dba | 492 | \r |
54ea99a7 | 493 | ResourceHob = Hob.ResourceDescriptor;\r |
494 | //\r | |
495 | // See if this resource descrior HOB describes tested system memory below MAX_ADDRESS\r | |
d1102dba | 496 | //\r |
54ea99a7 | 497 | if (ResourceHob->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY &&\r |
498 | ResourceHob->PhysicalStart + ResourceHob->ResourceLength <= MAX_ADDRESS) {\r | |
499 | //\r | |
500 | // See if Top address specified by user is valid.\r | |
501 | //\r | |
9bfb4940 | 502 | if (ResourceHob->ResourceLength > TotalReservedMemorySize && PeiLoadFixAddressIsMemoryRangeAvailable(PrivateData, ResourceHob)) {\r |
d1102dba LG |
503 | DEBUG ((EFI_D_INFO, "(0x%lx, 0x%lx)\n",\r |
504 | (ResourceHob->PhysicalStart + TotalReservedMemorySize -MINIMUM_INITIAL_MEMORY_SIZE),\r | |
505 | (ResourceHob->PhysicalStart + ResourceHob->ResourceLength -MINIMUM_INITIAL_MEMORY_SIZE)\r | |
506 | ));\r | |
54ea99a7 | 507 | }\r |
508 | }\r | |
509 | }\r | |
d1102dba | 510 | }\r |
54ea99a7 | 511 | //\r |
d1102dba | 512 | // Assert here\r |
54ea99a7 | 513 | //\r |
d1102dba LG |
514 | ASSERT (FALSE);\r |
515 | return;\r | |
516 | }\r | |
54ea99a7 | 517 | } else {\r |
518 | //\r | |
519 | // The LMFA feature is enabled as load module at fixed offset relative to TOLM\r | |
520 | // Parse the Hob list to find the topest available memory. Generally it is (TOLM - TSEG)\r | |
521 | //\r | |
522 | //\r | |
523 | // Search for a tested memory region that is below MAX_ADDRESS\r | |
524 | //\r | |
525 | for (Hob.Raw = PrivateData->HobList.Raw; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
526 | //\r | |
d1102dba | 527 | // See if this is a resource descriptor HOB\r |
54ea99a7 | 528 | //\r |
529 | if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
d1102dba LG |
530 | \r |
531 | ResourceHob = Hob.ResourceDescriptor;\r | |
54ea99a7 | 532 | //\r |
533 | // See if this resource descrior HOB describes tested system memory below MAX_ADDRESS\r | |
534 | //\r | |
d1102dba | 535 | if (ResourceHob->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY &&\r |
54ea99a7 | 536 | ResourceHob->PhysicalStart + ResourceHob->ResourceLength <= MAX_ADDRESS &&\r |
9bfb4940 | 537 | ResourceHob->ResourceLength > TotalReservedMemorySize && PeiLoadFixAddressIsMemoryRangeAvailable(PrivateData, ResourceHob)) {\r |
54ea99a7 | 538 | //\r |
539 | // See if this is the highest largest system memory region below MaxAddress\r | |
540 | //\r | |
541 | if (ResourceHob->PhysicalStart > HighAddress) {\r | |
542 | CurrentResourceHob = ResourceHob;\r | |
543 | CurrentHob = Hob;\r | |
544 | HighAddress = CurrentResourceHob->PhysicalStart;\r | |
545 | }\r | |
546 | }\r | |
d1102dba | 547 | }\r |
54ea99a7 | 548 | }\r |
549 | if (CurrentResourceHob == NULL) {\r | |
d1102dba | 550 | DEBUG ((EFI_D_INFO, "LOADING MODULE FIXED ERROR:The System Memory is too small\n"));\r |
54ea99a7 | 551 | //\r |
d1102dba | 552 | // Assert here\r |
54ea99a7 | 553 | //\r |
9bfb4940 | 554 | ASSERT (FALSE);\r |
d1102dba | 555 | return;\r |
54ea99a7 | 556 | } else {\r |
d1102dba LG |
557 | TopLoadingAddress = CurrentResourceHob->PhysicalStart + CurrentResourceHob->ResourceLength ;\r |
558 | }\r | |
54ea99a7 | 559 | }\r |
d1102dba | 560 | \r |
54ea99a7 | 561 | if (CurrentResourceHob != NULL) {\r |
562 | //\r | |
9bfb4940 | 563 | // rebuild resource HOB for PEI memmory and reserved memory\r |
54ea99a7 | 564 | //\r |
565 | BuildResourceDescriptorHob (\r | |
d1102dba | 566 | EFI_RESOURCE_SYSTEM_MEMORY,\r |
54ea99a7 | 567 | (\r |
568 | EFI_RESOURCE_ATTRIBUTE_PRESENT |\r | |
569 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r | |
570 | EFI_RESOURCE_ATTRIBUTE_TESTED |\r | |
571 | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |\r | |
572 | EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |\r | |
573 | EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |\r | |
574 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE\r | |
575 | ),\r | |
d1102dba LG |
576 | (TopLoadingAddress - TotalReservedMemorySize),\r |
577 | TotalReservedMemorySize\r | |
54ea99a7 | 578 | );\r |
579 | //\r | |
9bfb4940 | 580 | // rebuild resource for the remain memory if necessary\r |
54ea99a7 | 581 | //\r |
582 | if (CurrentResourceHob->PhysicalStart < TopLoadingAddress - TotalReservedMemorySize) {\r | |
583 | BuildResourceDescriptorHob (\r | |
d1102dba | 584 | EFI_RESOURCE_SYSTEM_MEMORY,\r |
54ea99a7 | 585 | (\r |
586 | EFI_RESOURCE_ATTRIBUTE_PRESENT |\r | |
587 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r | |
588 | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |\r | |
589 | EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |\r | |
590 | EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |\r | |
591 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE\r | |
592 | ),\r | |
d1102dba LG |
593 | CurrentResourceHob->PhysicalStart,\r |
594 | (TopLoadingAddress - TotalReservedMemorySize - CurrentResourceHob->PhysicalStart)\r | |
54ea99a7 | 595 | );\r |
596 | }\r | |
597 | if (CurrentResourceHob->PhysicalStart + CurrentResourceHob->ResourceLength > TopLoadingAddress ) {\r | |
598 | BuildResourceDescriptorHob (\r | |
d1102dba | 599 | EFI_RESOURCE_SYSTEM_MEMORY,\r |
54ea99a7 | 600 | (\r |
601 | EFI_RESOURCE_ATTRIBUTE_PRESENT |\r | |
602 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r | |
603 | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |\r | |
604 | EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |\r | |
605 | EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |\r | |
606 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE\r | |
607 | ),\r | |
d1102dba LG |
608 | TopLoadingAddress,\r |
609 | (CurrentResourceHob->PhysicalStart + CurrentResourceHob->ResourceLength - TopLoadingAddress)\r | |
54ea99a7 | 610 | );\r |
611 | }\r | |
612 | //\r | |
613 | // Delete CurrentHob by marking it as unused since the the memory range described by is rebuilt.\r | |
614 | //\r | |
d1102dba | 615 | GET_HOB_TYPE (CurrentHob) = EFI_HOB_TYPE_UNUSED;\r |
54ea99a7 | 616 | }\r |
617 | \r | |
618 | //\r | |
619 | // Cache the top address for Loading Module at Fixed Address feature\r | |
620 | //\r | |
621 | PrivateData->LoadModuleAtFixAddressTopAddress = TopLoadingAddress - MINIMUM_INITIAL_MEMORY_SIZE;\r | |
d1102dba | 622 | DEBUG ((EFI_D_INFO, "LOADING MODULE FIXED INFO: Top address = 0x%lx\n", PrivateData->LoadModuleAtFixAddressTopAddress));\r |
54ea99a7 | 623 | //\r |
624 | // reinstall the PEI memory relative to TopLoadingAddress\r | |
625 | //\r | |
626 | PrivateData->PhysicalMemoryBegin = TopLoadingAddress - TotalReservedMemorySize;\r | |
627 | PrivateData->FreePhysicalMemoryTop = PrivateData->PhysicalMemoryBegin + PeiMemorySize;\r | |
628 | }\r | |
0f9ebb32 LG |
629 | \r |
630 | /**\r | |
631 | This routine is invoked in switch stack as PeiCore Entry.\r | |
632 | \r | |
633 | @param SecCoreData Points to a data structure containing information about the PEI core's operating\r | |
634 | environment, such as the size and location of temporary RAM, the stack location and\r | |
635 | the BFV location.\r | |
636 | @param Private Pointer to old core data that is used to initialize the\r | |
637 | core's data areas.\r | |
638 | **/\r | |
639 | VOID\r | |
640 | EFIAPI\r | |
641 | PeiCoreEntry (\r | |
642 | IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData,\r | |
643 | IN PEI_CORE_INSTANCE *Private\r | |
644 | )\r | |
645 | {\r | |
646 | //\r | |
647 | // Entry PEI Phase 2\r | |
648 | //\r | |
649 | PeiCore (SecCoreData, NULL, Private);\r | |
650 | }\r | |
651 | \r | |
bfb685da SZ |
652 | /**\r |
653 | Check SwitchStackSignal and switch stack if SwitchStackSignal is TRUE.\r | |
654 | \r | |
655 | @param[in] SecCoreData Points to a data structure containing information about the PEI core's operating\r | |
656 | environment, such as the size and location of temporary RAM, the stack location and\r | |
657 | the BFV location.\r | |
658 | @param[in] Private Pointer to the private data passed in from caller.\r | |
659 | \r | |
660 | **/\r | |
661 | VOID\r | |
662 | PeiCheckAndSwitchStack (\r | |
663 | IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData,\r | |
664 | IN PEI_CORE_INSTANCE *Private\r | |
665 | )\r | |
666 | {\r | |
667 | VOID *LoadFixPeiCodeBegin;\r | |
668 | EFI_STATUS Status;\r | |
669 | CONST EFI_PEI_SERVICES **PeiServices;\r | |
670 | UINT64 NewStackSize;\r | |
671 | EFI_PHYSICAL_ADDRESS TopOfOldStack;\r | |
672 | EFI_PHYSICAL_ADDRESS TopOfNewStack;\r | |
673 | UINTN StackOffset;\r | |
674 | BOOLEAN StackOffsetPositive;\r | |
675 | EFI_PHYSICAL_ADDRESS TemporaryRamBase;\r | |
676 | UINTN TemporaryRamSize;\r | |
677 | UINTN TemporaryStackSize;\r | |
678 | VOID *TemporaryStackBase;\r | |
679 | UINTN PeiTemporaryRamSize;\r | |
680 | VOID *PeiTemporaryRamBase;\r | |
681 | EFI_PEI_TEMPORARY_RAM_SUPPORT_PPI *TemporaryRamSupportPpi;\r | |
682 | EFI_PHYSICAL_ADDRESS BaseOfNewHeap;\r | |
683 | EFI_PHYSICAL_ADDRESS HoleMemBase;\r | |
684 | UINTN HoleMemSize;\r | |
685 | UINTN HeapTemporaryRamSize;\r | |
686 | EFI_PHYSICAL_ADDRESS TempBase1;\r | |
687 | UINTN TempSize1;\r | |
688 | EFI_PHYSICAL_ADDRESS TempBase2;\r | |
689 | UINTN TempSize2;\r | |
690 | UINTN Index;\r | |
691 | \r | |
692 | PeiServices = (CONST EFI_PEI_SERVICES **) &Private->Ps;\r | |
693 | \r | |
694 | if (Private->SwitchStackSignal) {\r | |
695 | //\r | |
6393d9c8 GL |
696 | // Before switch stack from temporary memory to permanent memory, calculate the heap and stack\r |
697 | // usage in temporary memory for debugging.\r | |
bfb685da SZ |
698 | //\r |
699 | DEBUG_CODE_BEGIN ();\r | |
aa57c0f0 SZ |
700 | UINT32 *StackPointer;\r |
701 | EFI_PEI_HOB_POINTERS Hob;\r | |
bfb685da SZ |
702 | \r |
703 | for (StackPointer = (UINT32*)SecCoreData->StackBase;\r | |
704 | (StackPointer < (UINT32*)((UINTN)SecCoreData->StackBase + SecCoreData->StackSize)) \\r | |
98127071 | 705 | && (*StackPointer == PcdGet32 (PcdInitValueInTempStack));\r |
be18cb03 LG |
706 | StackPointer ++) {\r |
707 | }\r | |
bfb685da | 708 | \r |
b2374cec SZ |
709 | DEBUG ((DEBUG_INFO, "Temp Stack : BaseAddress=0x%p Length=0x%X\n", SecCoreData->StackBase, (UINT32)SecCoreData->StackSize));\r |
710 | DEBUG ((DEBUG_INFO, "Temp Heap : BaseAddress=0x%p Length=0x%X\n", SecCoreData->PeiTemporaryRamBase, (UINT32)SecCoreData->PeiTemporaryRamSize));\r | |
711 | DEBUG ((DEBUG_INFO, "Total temporary memory: %d bytes.\n", (UINT32)SecCoreData->TemporaryRamSize));\r | |
712 | DEBUG ((DEBUG_INFO, " temporary memory stack ever used: %d bytes.\n",\r | |
df56e808 AF |
713 | (UINT32)(SecCoreData->StackSize - ((UINTN) StackPointer - (UINTN)SecCoreData->StackBase))\r |
714 | ));\r | |
b2374cec | 715 | DEBUG ((DEBUG_INFO, " temporary memory heap used for HobList: %d bytes.\n",\r |
df56e808 AF |
716 | (UINT32)((UINTN)Private->HobList.HandoffInformationTable->EfiFreeMemoryBottom - (UINTN)Private->HobList.Raw)\r |
717 | ));\r | |
aa57c0f0 SZ |
718 | DEBUG ((DEBUG_INFO, " temporary memory heap occupied by memory pages: %d bytes.\n",\r |
719 | (UINT32)(UINTN)(Private->HobList.HandoffInformationTable->EfiMemoryTop - Private->HobList.HandoffInformationTable->EfiFreeMemoryTop)\r | |
720 | ));\r | |
721 | for (Hob.Raw = Private->HobList.Raw; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
722 | if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_MEMORY_ALLOCATION) {\r | |
723 | DEBUG ((DEBUG_INFO, "Memory Allocation 0x%08x 0x%0lx - 0x%0lx\n", \\r | |
724 | Hob.MemoryAllocation->AllocDescriptor.MemoryType, \\r | |
725 | Hob.MemoryAllocation->AllocDescriptor.MemoryBaseAddress, \\r | |
726 | Hob.MemoryAllocation->AllocDescriptor.MemoryBaseAddress + Hob.MemoryAllocation->AllocDescriptor.MemoryLength - 1));\r | |
727 | }\r | |
728 | }\r | |
bfb685da SZ |
729 | DEBUG_CODE_END ();\r |
730 | \r | |
731 | if (PcdGet64(PcdLoadModuleAtFixAddressEnable) != 0 && (Private->HobList.HandoffInformationTable->BootMode != BOOT_ON_S3_RESUME)) {\r | |
732 | //\r | |
733 | // Loading Module at Fixed Address is enabled\r | |
734 | //\r | |
735 | PeiLoadFixAddressHook (Private);\r | |
736 | \r | |
737 | //\r | |
738 | // If Loading Module at Fixed Address is enabled, Allocating memory range for Pei code range.\r | |
739 | //\r | |
740 | LoadFixPeiCodeBegin = AllocatePages((UINTN)PcdGet32(PcdLoadFixAddressPeiCodePageNumber));\r | |
741 | DEBUG ((EFI_D_INFO, "LOADING MODULE FIXED INFO: PeiCodeBegin = 0x%lX, PeiCodeTop= 0x%lX\n", (UINT64)(UINTN)LoadFixPeiCodeBegin, (UINT64)((UINTN)LoadFixPeiCodeBegin + PcdGet32(PcdLoadFixAddressPeiCodePageNumber) * EFI_PAGE_SIZE)));\r | |
742 | }\r | |
743 | \r | |
744 | //\r | |
745 | // Reserve the size of new stack at bottom of physical memory\r | |
746 | //\r | |
6393d9c8 | 747 | // The size of new stack in permanent memory must be the same size\r |
bfb685da SZ |
748 | // or larger than the size of old stack in temporary memory.\r |
749 | // But if new stack is smaller than the size of old stack, we also reserve\r | |
6393d9c8 | 750 | // the size of old stack at bottom of permanent memory.\r |
bfb685da SZ |
751 | //\r |
752 | NewStackSize = RShiftU64 (Private->PhysicalMemoryLength, 1);\r | |
753 | NewStackSize = ALIGN_VALUE (NewStackSize, EFI_PAGE_SIZE);\r | |
754 | NewStackSize = MIN (PcdGet32(PcdPeiCoreMaxPeiStackSize), NewStackSize);\r | |
755 | DEBUG ((EFI_D_INFO, "Old Stack size %d, New stack size %d\n", (UINT32)SecCoreData->StackSize, (UINT32)NewStackSize));\r | |
756 | ASSERT (NewStackSize >= SecCoreData->StackSize);\r | |
757 | \r | |
758 | //\r | |
d1102dba | 759 | // Calculate stack offset and heap offset between temporary memory and new permement\r |
bfb685da SZ |
760 | // memory seperately.\r |
761 | //\r | |
762 | TopOfOldStack = (UINTN)SecCoreData->StackBase + SecCoreData->StackSize;\r | |
763 | TopOfNewStack = Private->PhysicalMemoryBegin + NewStackSize;\r | |
764 | if (TopOfNewStack >= TopOfOldStack) {\r | |
765 | StackOffsetPositive = TRUE;\r | |
766 | StackOffset = (UINTN)(TopOfNewStack - TopOfOldStack);\r | |
767 | } else {\r | |
768 | StackOffsetPositive = FALSE;\r | |
769 | StackOffset = (UINTN)(TopOfOldStack - TopOfNewStack);\r | |
770 | }\r | |
771 | Private->StackOffsetPositive = StackOffsetPositive;\r | |
772 | Private->StackOffset = StackOffset;\r | |
773 | \r | |
774 | //\r | |
775 | // Build Stack HOB that describes the permanent memory stack\r | |
776 | //\r | |
777 | DEBUG ((EFI_D_INFO, "Stack Hob: BaseAddress=0x%lX Length=0x%lX\n", TopOfNewStack - NewStackSize, NewStackSize));\r | |
778 | BuildStackHob (TopOfNewStack - NewStackSize, NewStackSize);\r | |
779 | \r | |
780 | //\r | |
781 | // Cache information from SecCoreData into locals before SecCoreData is converted to a permanent memory address\r | |
782 | //\r | |
783 | TemporaryRamBase = (EFI_PHYSICAL_ADDRESS)(UINTN)SecCoreData->TemporaryRamBase;\r | |
784 | TemporaryRamSize = SecCoreData->TemporaryRamSize;\r | |
785 | TemporaryStackSize = SecCoreData->StackSize;\r | |
786 | TemporaryStackBase = SecCoreData->StackBase;\r | |
787 | PeiTemporaryRamSize = SecCoreData->PeiTemporaryRamSize;\r | |
788 | PeiTemporaryRamBase = SecCoreData->PeiTemporaryRamBase;\r | |
789 | \r | |
790 | //\r | |
791 | // TemporaryRamSupportPpi is produced by platform's SEC\r | |
792 | //\r | |
793 | Status = PeiServicesLocatePpi (\r | |
794 | &gEfiTemporaryRamSupportPpiGuid,\r | |
795 | 0,\r | |
796 | NULL,\r | |
797 | (VOID**)&TemporaryRamSupportPpi\r | |
798 | );\r | |
799 | if (!EFI_ERROR (Status)) {\r | |
800 | //\r | |
801 | // Heap Offset\r | |
802 | //\r | |
803 | BaseOfNewHeap = TopOfNewStack;\r | |
804 | if (BaseOfNewHeap >= (UINTN)SecCoreData->PeiTemporaryRamBase) {\r | |
805 | Private->HeapOffsetPositive = TRUE;\r | |
806 | Private->HeapOffset = (UINTN)(BaseOfNewHeap - (UINTN)SecCoreData->PeiTemporaryRamBase);\r | |
807 | } else {\r | |
808 | Private->HeapOffsetPositive = FALSE;\r | |
809 | Private->HeapOffset = (UINTN)((UINTN)SecCoreData->PeiTemporaryRamBase - BaseOfNewHeap);\r | |
810 | }\r | |
811 | \r | |
812 | DEBUG ((EFI_D_INFO, "Heap Offset = 0x%lX Stack Offset = 0x%lX\n", (UINT64) Private->HeapOffset, (UINT64) Private->StackOffset));\r | |
813 | \r | |
814 | //\r | |
815 | // Calculate new HandOffTable and PrivateData address in permanent memory's stack\r | |
816 | //\r | |
817 | if (StackOffsetPositive) {\r | |
818 | SecCoreData = (CONST EFI_SEC_PEI_HAND_OFF *)((UINTN)(VOID *)SecCoreData + StackOffset);\r | |
819 | Private = (PEI_CORE_INSTANCE *)((UINTN)(VOID *)Private + StackOffset);\r | |
820 | } else {\r | |
821 | SecCoreData = (CONST EFI_SEC_PEI_HAND_OFF *)((UINTN)(VOID *)SecCoreData - StackOffset);\r | |
822 | Private = (PEI_CORE_INSTANCE *)((UINTN)(VOID *)Private - StackOffset);\r | |
823 | }\r | |
824 | \r | |
825 | //\r | |
d1102dba | 826 | // Temporary Ram Support PPI is provided by platform, it will copy\r |
6393d9c8 | 827 | // temporary memory to permanent memory and do stack switching.\r |
d1102dba | 828 | // After invoking Temporary Ram Support PPI, the following code's\r |
bfb685da SZ |
829 | // stack is in permanent memory.\r |
830 | //\r | |
831 | TemporaryRamSupportPpi->TemporaryRamMigration (\r | |
832 | PeiServices,\r | |
833 | TemporaryRamBase,\r | |
834 | (EFI_PHYSICAL_ADDRESS)(UINTN)(TopOfNewStack - TemporaryStackSize),\r | |
835 | TemporaryRamSize\r | |
836 | );\r | |
837 | \r | |
b2374cec SZ |
838 | //\r |
839 | // Migrate memory pages allocated in pre-memory phase.\r | |
840 | // It could not be called before calling TemporaryRamSupportPpi->TemporaryRamMigration()\r | |
841 | // as the migrated memory pages may be overridden by TemporaryRamSupportPpi->TemporaryRamMigration().\r | |
842 | //\r | |
843 | MigrateMemoryPages (Private, TRUE);\r | |
844 | \r | |
bfb685da SZ |
845 | //\r |
846 | // Entry PEI Phase 2\r | |
847 | //\r | |
848 | PeiCore (SecCoreData, NULL, Private);\r | |
849 | } else {\r | |
b2374cec SZ |
850 | //\r |
851 | // Migrate memory pages allocated in pre-memory phase.\r | |
852 | //\r | |
853 | MigrateMemoryPages (Private, FALSE);\r | |
854 | \r | |
bfb685da SZ |
855 | //\r |
856 | // Migrate the PEI Services Table pointer from temporary RAM to permanent RAM.\r | |
857 | //\r | |
858 | MigratePeiServicesTablePointer ();\r | |
b2374cec | 859 | \r |
bfb685da SZ |
860 | //\r |
861 | // Heap Offset\r | |
862 | //\r | |
863 | BaseOfNewHeap = TopOfNewStack;\r | |
864 | HoleMemBase = TopOfNewStack;\r | |
865 | HoleMemSize = TemporaryRamSize - PeiTemporaryRamSize - TemporaryStackSize;\r | |
866 | if (HoleMemSize != 0) {\r | |
867 | //\r | |
868 | // Make sure HOB List start address is 8 byte alignment.\r | |
869 | //\r | |
870 | BaseOfNewHeap = ALIGN_VALUE (BaseOfNewHeap + HoleMemSize, 8);\r | |
871 | }\r | |
872 | if (BaseOfNewHeap >= (UINTN)SecCoreData->PeiTemporaryRamBase) {\r | |
873 | Private->HeapOffsetPositive = TRUE;\r | |
874 | Private->HeapOffset = (UINTN)(BaseOfNewHeap - (UINTN)SecCoreData->PeiTemporaryRamBase);\r | |
875 | } else {\r | |
876 | Private->HeapOffsetPositive = FALSE;\r | |
877 | Private->HeapOffset = (UINTN)((UINTN)SecCoreData->PeiTemporaryRamBase - BaseOfNewHeap);\r | |
878 | }\r | |
879 | \r | |
880 | DEBUG ((EFI_D_INFO, "Heap Offset = 0x%lX Stack Offset = 0x%lX\n", (UINT64) Private->HeapOffset, (UINT64) Private->StackOffset));\r | |
881 | \r | |
882 | //\r | |
883 | // Migrate Heap\r | |
884 | //\r | |
885 | HeapTemporaryRamSize = (UINTN) (Private->HobList.HandoffInformationTable->EfiFreeMemoryBottom - Private->HobList.HandoffInformationTable->EfiMemoryBottom);\r | |
886 | ASSERT (BaseOfNewHeap + HeapTemporaryRamSize <= Private->FreePhysicalMemoryTop);\r | |
b2374cec | 887 | CopyMem ((UINT8 *) (UINTN) BaseOfNewHeap, PeiTemporaryRamBase, HeapTemporaryRamSize);\r |
bfb685da SZ |
888 | \r |
889 | //\r | |
890 | // Migrate Stack\r | |
891 | //\r | |
892 | CopyMem ((UINT8 *) (UINTN) (TopOfNewStack - TemporaryStackSize), TemporaryStackBase, TemporaryStackSize);\r | |
893 | \r | |
894 | //\r | |
895 | // Copy Hole Range Data\r | |
bfb685da SZ |
896 | //\r |
897 | if (HoleMemSize != 0) {\r | |
898 | //\r | |
899 | // Prepare Hole\r | |
900 | //\r | |
901 | if (PeiTemporaryRamBase < TemporaryStackBase) {\r | |
902 | TempBase1 = (EFI_PHYSICAL_ADDRESS) (UINTN) PeiTemporaryRamBase;\r | |
903 | TempSize1 = PeiTemporaryRamSize;\r | |
904 | TempBase2 = (EFI_PHYSICAL_ADDRESS) (UINTN) TemporaryStackBase;\r | |
905 | TempSize2 = TemporaryStackSize;\r | |
906 | } else {\r | |
907 | TempBase1 = (EFI_PHYSICAL_ADDRESS) (UINTN) TemporaryStackBase;\r | |
908 | TempSize1 = TemporaryStackSize;\r | |
909 | TempBase2 =(EFI_PHYSICAL_ADDRESS) (UINTN) PeiTemporaryRamBase;\r | |
910 | TempSize2 = PeiTemporaryRamSize;\r | |
911 | }\r | |
912 | if (TemporaryRamBase < TempBase1) {\r | |
913 | Private->HoleData[0].Base = TemporaryRamBase;\r | |
914 | Private->HoleData[0].Size = (UINTN) (TempBase1 - TemporaryRamBase);\r | |
915 | }\r | |
916 | if (TempBase1 + TempSize1 < TempBase2) {\r | |
917 | Private->HoleData[1].Base = TempBase1 + TempSize1;\r | |
918 | Private->HoleData[1].Size = (UINTN) (TempBase2 - TempBase1 - TempSize1);\r | |
919 | }\r | |
920 | if (TempBase2 + TempSize2 < TemporaryRamBase + TemporaryRamSize) {\r | |
921 | Private->HoleData[2].Base = TempBase2 + TempSize2;\r | |
922 | Private->HoleData[2].Size = (UINTN) (TemporaryRamBase + TemporaryRamSize - TempBase2 - TempSize2);\r | |
923 | }\r | |
924 | \r | |
925 | //\r | |
926 | // Copy Hole Range data.\r | |
927 | //\r | |
928 | for (Index = 0; Index < HOLE_MAX_NUMBER; Index ++) {\r | |
929 | if (Private->HoleData[Index].Size > 0) {\r | |
930 | if (HoleMemBase > Private->HoleData[Index].Base) {\r | |
931 | Private->HoleData[Index].OffsetPositive = TRUE;\r | |
932 | Private->HoleData[Index].Offset = (UINTN) (HoleMemBase - Private->HoleData[Index].Base);\r | |
933 | } else {\r | |
934 | Private->HoleData[Index].OffsetPositive = FALSE;\r | |
935 | Private->HoleData[Index].Offset = (UINTN) (Private->HoleData[Index].Base - HoleMemBase);\r | |
936 | }\r | |
937 | CopyMem ((VOID *) (UINTN) HoleMemBase, (VOID *) (UINTN) Private->HoleData[Index].Base, Private->HoleData[Index].Size);\r | |
938 | HoleMemBase = HoleMemBase + Private->HoleData[Index].Size;\r | |
939 | }\r | |
940 | }\r | |
941 | }\r | |
942 | \r | |
943 | //\r | |
944 | // Switch new stack\r | |
945 | //\r | |
946 | SwitchStack (\r | |
947 | (SWITCH_STACK_ENTRY_POINT)(UINTN)PeiCoreEntry,\r | |
948 | (VOID *) SecCoreData,\r | |
949 | (VOID *) Private,\r | |
950 | (VOID *) (UINTN) TopOfNewStack\r | |
951 | );\r | |
952 | }\r | |
953 | \r | |
954 | //\r | |
955 | // Code should not come here\r | |
956 | //\r | |
957 | ASSERT (FALSE);\r | |
958 | }\r | |
959 | }\r | |
960 | \r | |
b1f6a7c6 | 961 | /**\r |
192f6d4c | 962 | Conduct PEIM dispatch.\r |
963 | \r | |
b1f6a7c6 | 964 | @param SecCoreData Points to a data structure containing information about the PEI core's operating\r |
5aae0aa7 | 965 | environment, such as the size and location of temporary RAM, the stack location and\r |
966 | the BFV location.\r | |
b1f6a7c6 | 967 | @param Private Pointer to the private data passed in from caller\r |
192f6d4c | 968 | \r |
b1f6a7c6 | 969 | **/\r |
970 | VOID\r | |
971 | PeiDispatcher (\r | |
972 | IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData,\r | |
973 | IN PEI_CORE_INSTANCE *Private\r | |
974 | )\r | |
192f6d4c | 975 | {\r |
b0d803fe | 976 | EFI_STATUS Status;\r |
977 | UINT32 Index1;\r | |
978 | UINT32 Index2;\r | |
6c7a807a | 979 | CONST EFI_PEI_SERVICES **PeiServices;\r |
b0d803fe | 980 | EFI_PEI_FILE_HANDLE PeimFileHandle;\r |
981 | UINTN FvCount;\r | |
982 | UINTN PeimCount;\r | |
983 | UINT32 AuthenticationState;\r | |
984 | EFI_PHYSICAL_ADDRESS EntryPoint;\r | |
797a9d67 | 985 | EFI_PEIM_ENTRY_POINT2 PeimEntryPoint;\r |
b0d803fe | 986 | UINTN SaveCurrentPeimCount;\r |
1053e0c5 | 987 | UINTN SaveCurrentFvCount;\r |
b0d803fe | 988 | EFI_PEI_FILE_HANDLE SaveCurrentFileHandle;\r |
288f9b38 | 989 | EFI_FV_FILE_INFO FvFileInfo;\r |
3b428ade | 990 | PEI_CORE_FV_HANDLE *CoreFvHandle;\r |
d1102dba | 991 | \r |
4140a663 | 992 | PeiServices = (CONST EFI_PEI_SERVICES **) &Private->Ps;\r |
b0d803fe | 993 | PeimEntryPoint = NULL;\r |
994 | PeimFileHandle = NULL;\r | |
288f9b38 | 995 | EntryPoint = 0;\r |
b0d803fe | 996 | \r |
5d7f3126 | 997 | if ((Private->PeiMemoryInstalled) && (Private->HobList.HandoffInformationTable->BootMode != BOOT_ON_S3_RESUME || PcdGetBool (PcdShadowPeimOnS3Boot))) {\r |
b0d803fe | 998 | //\r |
999 | // Once real memory is available, shadow the RegisterForShadow modules. And meanwhile\r | |
c2c4199b | 1000 | // update the modules' status from PEIM_STATE_REGISTER_FOR_SHADOW to PEIM_STATE_DONE.\r |
b0d803fe | 1001 | //\r |
1002 | SaveCurrentPeimCount = Private->CurrentPeimCount;\r | |
1053e0c5 | 1003 | SaveCurrentFvCount = Private->CurrentPeimFvCount;\r |
b0d803fe | 1004 | SaveCurrentFileHandle = Private->CurrentFileHandle;\r |
1005 | \r | |
b22d0931 | 1006 | for (Index1 = 0; Index1 < Private->FvCount; Index1++) {\r |
b62fe570 | 1007 | for (Index2 = 0; Index2 < Private->Fv[Index1].PeimCount; Index2++) {\r |
c2c4199b | 1008 | if (Private->Fv[Index1].PeimState[Index2] == PEIM_STATE_REGISTER_FOR_SHADOW) {\r |
58dcdada | 1009 | PeimFileHandle = Private->Fv[Index1].FvFileHandles[Index2];\r |
3d44658c LG |
1010 | Private->CurrentFileHandle = PeimFileHandle;\r |
1011 | Private->CurrentPeimFvCount = Index1;\r | |
1012 | Private->CurrentPeimCount = Index2;\r | |
b0d803fe | 1013 | Status = PeiLoadImage (\r |
4140a663 | 1014 | (CONST EFI_PEI_SERVICES **) &Private->Ps,\r |
58dcdada | 1015 | PeimFileHandle,\r |
c2c4199b | 1016 | PEIM_STATE_REGISTER_FOR_SHADOW,\r |
58dcdada | 1017 | &EntryPoint,\r |
b0d803fe | 1018 | &AuthenticationState\r |
1019 | );\r | |
1020 | if (Status == EFI_SUCCESS) {\r | |
1021 | //\r | |
c2c4199b | 1022 | // PEIM_STATE_REGISTER_FOR_SHADOW move to PEIM_STATE_DONE\r |
b0d803fe | 1023 | //\r |
1024 | Private->Fv[Index1].PeimState[Index2]++;\r | |
b0d803fe | 1025 | //\r |
1026 | // Call the PEIM entry point\r | |
1027 | //\r | |
797a9d67 | 1028 | PeimEntryPoint = (EFI_PEIM_ENTRY_POINT2)(UINTN)EntryPoint;\r |
58dcdada | 1029 | \r |
67e9ab84 | 1030 | PERF_START_IMAGE_BEGIN (PeimFileHandle);\r |
4140a663 | 1031 | PeimEntryPoint(PeimFileHandle, (const EFI_PEI_SERVICES **) &Private->Ps);\r |
67e9ab84 | 1032 | PERF_START_IMAGE_END (PeimFileHandle);\r |
58dcdada | 1033 | }\r |
1034 | \r | |
b0d803fe | 1035 | //\r |
1036 | // Process the Notify list and dispatch any notifies for\r | |
1037 | // newly installed PPIs.\r | |
1038 | //\r | |
1039 | ProcessNotifyList (Private);\r | |
1040 | }\r | |
1041 | }\r | |
1042 | }\r | |
58dcdada | 1043 | Private->CurrentFileHandle = SaveCurrentFileHandle;\r |
1044 | Private->CurrentPeimFvCount = SaveCurrentFvCount;\r | |
1045 | Private->CurrentPeimCount = SaveCurrentPeimCount;\r | |
b0d803fe | 1046 | }\r |
192f6d4c | 1047 | \r |
1048 | //\r | |
1049 | // This is the main dispatch loop. It will search known FVs for PEIMs and\r | |
1050 | // attempt to dispatch them. If any PEIM gets dispatched through a single\r | |
1051 | // pass of the dispatcher, it will start over from the Bfv again to see\r | |
1052 | // if any new PEIMs dependencies got satisfied. With a well ordered\r | |
1053 | // FV where PEIMs are found in the order their dependencies are also\r | |
1054 | // satisfied, this dipatcher should run only once.\r | |
1055 | //\r | |
b0d803fe | 1056 | do {\r |
82b8c8df | 1057 | //\r |
d1102dba | 1058 | // In case that reenter PeiCore happens, the last pass record is still available.\r |
82b8c8df | 1059 | //\r |
1060 | if (!Private->PeimDispatcherReenter) {\r | |
1061 | Private->PeimNeedingDispatch = FALSE;\r | |
1062 | Private->PeimDispatchOnThisPass = FALSE;\r | |
1063 | } else {\r | |
1064 | Private->PeimDispatcherReenter = FALSE;\r | |
1065 | }\r | |
d1102dba | 1066 | \r |
b0d803fe | 1067 | for (FvCount = Private->CurrentPeimFvCount; FvCount < Private->FvCount; FvCount++) {\r |
3b428ade | 1068 | CoreFvHandle = FindNextCoreFvHandle (Private, FvCount);\r |
1069 | ASSERT (CoreFvHandle != NULL);\r | |
d1102dba | 1070 | \r |
2a00326e | 1071 | //\r |
3b428ade | 1072 | // If the FV has corresponding EFI_PEI_FIRMWARE_VOLUME_PPI instance, then dispatch it.\r |
2a00326e | 1073 | //\r |
3b428ade | 1074 | if (CoreFvHandle->FvPpi == NULL) {\r |
1075 | continue;\r | |
1076 | }\r | |
d1102dba | 1077 | \r |
3b428ade | 1078 | Private->CurrentPeimFvCount = FvCount;\r |
192f6d4c | 1079 | \r |
b0d803fe | 1080 | if (Private->CurrentPeimCount == 0) {\r |
1081 | //\r | |
1082 | // When going through each FV, at first, search Apriori file to\r | |
58dcdada | 1083 | // reorder all PEIMs to ensure the PEIMs in Apriori file to get\r |
b0d803fe | 1084 | // dispatch at first.\r |
1085 | //\r | |
3b428ade | 1086 | DiscoverPeimsAndOrderWithApriori (Private, CoreFvHandle);\r |
b0d803fe | 1087 | }\r |
192f6d4c | 1088 | \r |
1089 | //\r | |
b0d803fe | 1090 | // Start to dispatch all modules within the current Fv.\r |
192f6d4c | 1091 | //\r |
58dcdada | 1092 | for (PeimCount = Private->CurrentPeimCount;\r |
b62fe570 | 1093 | PeimCount < Private->Fv[FvCount].PeimCount;\r |
b0d803fe | 1094 | PeimCount++) {\r |
1095 | Private->CurrentPeimCount = PeimCount;\r | |
1096 | PeimFileHandle = Private->CurrentFileHandle = Private->CurrentFvFileHandles[PeimCount];\r | |
1097 | \r | |
1098 | if (Private->Fv[FvCount].PeimState[PeimCount] == PEIM_STATE_NOT_DISPATCHED) {\r | |
1099 | if (!DepexSatisfied (Private, PeimFileHandle, PeimCount)) {\r | |
82b8c8df | 1100 | Private->PeimNeedingDispatch = TRUE;\r |
b0d803fe | 1101 | } else {\r |
3b428ade | 1102 | Status = CoreFvHandle->FvPpi->GetFileInfo (CoreFvHandle->FvPpi, PeimFileHandle, &FvFileInfo);\r |
288f9b38 LG |
1103 | ASSERT_EFI_ERROR (Status);\r |
1104 | if (FvFileInfo.FileType == EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE) {\r | |
1105 | //\r | |
116cd856 | 1106 | // For Fv type file, Produce new FvInfo PPI and FV hob\r |
288f9b38 | 1107 | //\r |
c7935105 SZ |
1108 | Status = ProcessFvFile (Private, &Private->Fv[FvCount], PeimFileHandle);\r |
1109 | if (Status == EFI_SUCCESS) {\r | |
1110 | //\r | |
1111 | // PEIM_STATE_NOT_DISPATCHED move to PEIM_STATE_DISPATCHED\r | |
1112 | //\r | |
1113 | Private->Fv[FvCount].PeimState[PeimCount]++;\r | |
1114 | Private->PeimDispatchOnThisPass = TRUE;\r | |
116cd856 SZ |
1115 | } else {\r |
1116 | //\r | |
1117 | // The related GuidedSectionExtraction/Decompress PPI for the\r | |
1118 | // encapsulated FV image section may be installed in the rest\r | |
1119 | // of this do-while loop, so need to make another pass.\r | |
1120 | //\r | |
1121 | Private->PeimNeedingDispatch = TRUE;\r | |
c7935105 | 1122 | }\r |
288f9b38 LG |
1123 | } else {\r |
1124 | //\r | |
1125 | // For PEIM driver, Load its entry point\r | |
1126 | //\r | |
1127 | Status = PeiLoadImage (\r | |
58dcdada | 1128 | PeiServices,\r |
1129 | PeimFileHandle,\r | |
341a658f | 1130 | PEIM_STATE_NOT_DISPATCHED,\r |
58dcdada | 1131 | &EntryPoint,\r |
288f9b38 LG |
1132 | &AuthenticationState\r |
1133 | );\r | |
c7935105 | 1134 | if (Status == EFI_SUCCESS) {\r |
b0d803fe | 1135 | //\r |
c7935105 SZ |
1136 | // The PEIM has its dependencies satisfied, and its entry point\r |
1137 | // has been found, so invoke it.\r | |
b0d803fe | 1138 | //\r |
67e9ab84 | 1139 | PERF_START_IMAGE_BEGIN (PeimFileHandle);\r |
58dcdada | 1140 | \r |
c7935105 SZ |
1141 | REPORT_STATUS_CODE_WITH_EXTENDED_DATA (\r |
1142 | EFI_PROGRESS_CODE,\r | |
1143 | (EFI_SOFTWARE_PEI_CORE | EFI_SW_PC_INIT_BEGIN),\r | |
fa3d30ea LG |
1144 | (VOID *)(&PeimFileHandle),\r |
1145 | sizeof (PeimFileHandle)\r | |
c7935105 SZ |
1146 | );\r |
1147 | \r | |
1148 | Status = VerifyPeim (Private, CoreFvHandle->FvHandle, PeimFileHandle, AuthenticationState);\r | |
1149 | if (Status != EFI_SECURITY_VIOLATION) {\r | |
1150 | //\r | |
1151 | // PEIM_STATE_NOT_DISPATCHED move to PEIM_STATE_DISPATCHED\r | |
1152 | //\r | |
1153 | Private->Fv[FvCount].PeimState[PeimCount]++;\r | |
288f9b38 LG |
1154 | //\r |
1155 | // Call the PEIM entry point for PEIM driver\r | |
1156 | //\r | |
797a9d67 | 1157 | PeimEntryPoint = (EFI_PEIM_ENTRY_POINT2)(UINTN)EntryPoint;\r |
1158 | PeimEntryPoint (PeimFileHandle, (const EFI_PEI_SERVICES **) PeiServices);\r | |
c7935105 | 1159 | Private->PeimDispatchOnThisPass = TRUE;\r |
9f671b47 LG |
1160 | } else {\r |
1161 | //\r | |
1162 | // The related GuidedSectionExtraction PPI for the\r | |
1163 | // signed PEIM image section may be installed in the rest\r | |
1164 | // of this do-while loop, so need to make another pass.\r | |
1165 | //\r | |
1166 | Private->PeimNeedingDispatch = TRUE;\r | |
288f9b38 | 1167 | }\r |
797a9d67 | 1168 | \r |
c7935105 SZ |
1169 | REPORT_STATUS_CODE_WITH_EXTENDED_DATA (\r |
1170 | EFI_PROGRESS_CODE,\r | |
1171 | (EFI_SOFTWARE_PEI_CORE | EFI_SW_PC_INIT_END),\r | |
fa3d30ea LG |
1172 | (VOID *)(&PeimFileHandle),\r |
1173 | sizeof (PeimFileHandle)\r | |
c7935105 | 1174 | );\r |
67e9ab84 | 1175 | PERF_START_IMAGE_END (PeimFileHandle);\r |
b0d803fe | 1176 | \r |
c7935105 | 1177 | }\r |
58dcdada | 1178 | }\r |
1179 | \r | |
bfb685da | 1180 | PeiCheckAndSwitchStack (SecCoreData, Private);\r |
192f6d4c | 1181 | \r |
58dcdada | 1182 | //\r |
1183 | // Process the Notify list and dispatch any notifies for\r | |
1184 | // newly installed PPIs.\r | |
1185 | //\r | |
1186 | ProcessNotifyList (Private);\r | |
1187 | \r | |
bfb685da SZ |
1188 | //\r |
1189 | // Recheck SwitchStackSignal after ProcessNotifyList()\r | |
1190 | // in case PeiInstallPeiMemory() is done in a callback with\r | |
1191 | // EFI_PEI_PPI_DESCRIPTOR_NOTIFY_DISPATCH.\r | |
1192 | //\r | |
1193 | PeiCheckAndSwitchStack (SecCoreData, Private);\r | |
1194 | \r | |
c2c4199b | 1195 | if ((Private->PeiMemoryInstalled) && (Private->Fv[FvCount].PeimState[PeimCount] == PEIM_STATE_REGISTER_FOR_SHADOW) && \\r |
5d7f3126 | 1196 | (Private->HobList.HandoffInformationTable->BootMode != BOOT_ON_S3_RESUME || PcdGetBool (PcdShadowPeimOnS3Boot))) {\r |
b0d803fe | 1197 | //\r |
6393d9c8 | 1198 | // If memory is available we shadow images by default for performance reasons.\r |
58dcdada | 1199 | // We call the entry point a 2nd time so the module knows it's shadowed.\r |
b0d803fe | 1200 | //\r |
1201 | //PERF_START (PeiServices, L"PEIM", PeimFileHandle, 0);\r | |
3d44658c LG |
1202 | if ((Private->HobList.HandoffInformationTable->BootMode != BOOT_ON_S3_RESUME) && !PcdGetBool (PcdShadowPeimOnBoot)) {\r |
1203 | //\r | |
1204 | // Load PEIM into Memory for Register for shadow PEIM.\r | |
1205 | //\r | |
1206 | Status = PeiLoadImage (\r | |
1207 | PeiServices,\r | |
1208 | PeimFileHandle,\r | |
c2c4199b | 1209 | PEIM_STATE_REGISTER_FOR_SHADOW,\r |
3d44658c LG |
1210 | &EntryPoint,\r |
1211 | &AuthenticationState\r | |
1212 | );\r | |
1213 | if (Status == EFI_SUCCESS) {\r | |
1214 | PeimEntryPoint = (EFI_PEIM_ENTRY_POINT2)(UINTN)EntryPoint;\r | |
1215 | }\r | |
1216 | }\r | |
e67ca95c | 1217 | ASSERT (PeimEntryPoint != NULL);\r |
797a9d67 | 1218 | PeimEntryPoint (PeimFileHandle, (const EFI_PEI_SERVICES **) PeiServices);\r |
b0d803fe | 1219 | //PERF_END (PeiServices, L"PEIM", PeimFileHandle, 0);\r |
58dcdada | 1220 | \r |
b0d803fe | 1221 | //\r |
c2c4199b | 1222 | // PEIM_STATE_REGISTER_FOR_SHADOW move to PEIM_STATE_DONE\r |
b0d803fe | 1223 | //\r |
1224 | Private->Fv[FvCount].PeimState[PeimCount]++;\r | |
192f6d4c | 1225 | \r |
192f6d4c | 1226 | //\r |
b0d803fe | 1227 | // Process the Notify list and dispatch any notifies for\r |
1228 | // newly installed PPIs.\r | |
192f6d4c | 1229 | //\r |
b0d803fe | 1230 | ProcessNotifyList (Private);\r |
192f6d4c | 1231 | }\r |
1232 | }\r | |
1233 | }\r | |
192f6d4c | 1234 | }\r |
192f6d4c | 1235 | \r |
b0d803fe | 1236 | //\r |
b62fe570 SZ |
1237 | // Before walking through the next FV, we should set them to NULL/0 to\r |
1238 | // start at the begining of the next FV.\r | |
b0d803fe | 1239 | //\r |
1240 | Private->CurrentFileHandle = NULL;\r | |
1241 | Private->CurrentPeimCount = 0;\r | |
b62fe570 | 1242 | Private->CurrentFvFileHandles = NULL;\r |
192f6d4c | 1243 | }\r |
1244 | \r | |
1245 | //\r | |
b62fe570 SZ |
1246 | // Before making another pass, we should set it to 0 to\r |
1247 | // go through all the FVs.\r | |
192f6d4c | 1248 | //\r |
b0d803fe | 1249 | Private->CurrentPeimFvCount = 0;\r |
192f6d4c | 1250 | \r |
1251 | //\r | |
116cd856 | 1252 | // PeimNeedingDispatch being TRUE means we found a PEIM/FV that did not get\r |
b0d803fe | 1253 | // dispatched. So we need to make another pass\r |
192f6d4c | 1254 | //\r |
116cd856 SZ |
1255 | // PeimDispatchOnThisPass being TRUE means we dispatched a PEIM/FV on this\r |
1256 | // pass. If we did not dispatch a PEIM/FV there is no point in trying again\r | |
b0d803fe | 1257 | // as it will fail the next time too (nothing has changed).\r |
192f6d4c | 1258 | //\r |
82b8c8df | 1259 | } while (Private->PeimNeedingDispatch && Private->PeimDispatchOnThisPass);\r |
192f6d4c | 1260 | \r |
192f6d4c | 1261 | }\r |
1262 | \r | |
b1f6a7c6 | 1263 | /**\r |
192f6d4c | 1264 | Initialize the Dispatcher's data members\r |
1265 | \r | |
b1f6a7c6 | 1266 | @param PrivateData PeiCore's private data structure\r |
1267 | @param OldCoreData Old data from SecCore\r | |
192f6d4c | 1268 | NULL if being run in non-permament memory mode.\r |
b1f6a7c6 | 1269 | @param SecCoreData Points to a data structure containing information about the PEI core's operating\r |
5aae0aa7 | 1270 | environment, such as the size and location of temporary RAM, the stack location and\r |
1271 | the BFV location.\r | |
192f6d4c | 1272 | \r |
b1f6a7c6 | 1273 | @return None.\r |
192f6d4c | 1274 | \r |
b1f6a7c6 | 1275 | **/\r |
1276 | VOID\r | |
1277 | InitializeDispatcherData (\r | |
1278 | IN PEI_CORE_INSTANCE *PrivateData,\r | |
1279 | IN PEI_CORE_INSTANCE *OldCoreData,\r | |
1280 | IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData\r | |
1281 | )\r | |
192f6d4c | 1282 | {\r |
192f6d4c | 1283 | if (OldCoreData == NULL) {\r |
82b8c8df | 1284 | PrivateData->PeimDispatcherReenter = FALSE;\r |
b0d803fe | 1285 | PeiInitializeFv (PrivateData, SecCoreData);\r |
8e0e40ed | 1286 | } else {\r |
7ec93917 | 1287 | PeiReinitializeFv (PrivateData);\r |
192f6d4c | 1288 | }\r |
1289 | \r | |
1290 | return;\r | |
1291 | }\r | |
1292 | \r | |
b1f6a7c6 | 1293 | /**\r |
1294 | This routine parses the Dependency Expression, if available, and\r | |
1295 | decides if the module can be executed.\r | |
1296 | \r | |
1297 | \r | |
1298 | @param Private PeiCore's private data structure\r | |
1299 | @param FileHandle PEIM's file handle\r | |
1300 | @param PeimCount Peim count in all dispatched PEIMs.\r | |
192f6d4c | 1301 | \r |
b1f6a7c6 | 1302 | @retval TRUE Can be dispatched\r |
1303 | @retval FALSE Cannot be dispatched\r | |
1304 | \r | |
1305 | **/\r | |
192f6d4c | 1306 | BOOLEAN\r |
1307 | DepexSatisfied (\r | |
b0d803fe | 1308 | IN PEI_CORE_INSTANCE *Private,\r |
1309 | IN EFI_PEI_FILE_HANDLE FileHandle,\r | |
1310 | IN UINTN PeimCount\r | |
192f6d4c | 1311 | )\r |
192f6d4c | 1312 | {\r |
288f9b38 LG |
1313 | EFI_STATUS Status;\r |
1314 | VOID *DepexData;\r | |
6a55eea3 | 1315 | EFI_FV_FILE_INFO FileInfo;\r |
b0d803fe | 1316 | \r |
6a55eea3 | 1317 | Status = PeiServicesFfsGetFileInfo (FileHandle, &FileInfo);\r |
1318 | if (EFI_ERROR (Status)) {\r | |
1319 | DEBUG ((DEBUG_DISPATCH, "Evaluate PEI DEPEX for FFS(Unknown)\n"));\r | |
1320 | } else {\r | |
1321 | DEBUG ((DEBUG_DISPATCH, "Evaluate PEI DEPEX for FFS(%g)\n", &FileInfo.FileName));\r | |
1322 | }\r | |
d1102dba | 1323 | \r |
b0d803fe | 1324 | if (PeimCount < Private->AprioriCount) {\r |
1325 | //\r | |
b62fe570 | 1326 | // If it's in the Apriori file then we set Depex to TRUE\r |
b0d803fe | 1327 | //\r |
6a55eea3 | 1328 | DEBUG ((DEBUG_DISPATCH, " RESULT = TRUE (Apriori)\n"));\r |
b0d803fe | 1329 | return TRUE;\r |
1330 | }\r | |
58dcdada | 1331 | \r |
288f9b38 | 1332 | //\r |
58dcdada | 1333 | // Depex section not in the encapsulated section.\r |
288f9b38 LG |
1334 | //\r |
1335 | Status = PeiServicesFfsFindSectionData (\r | |
1336 | EFI_SECTION_PEI_DEPEX,\r | |
58dcdada | 1337 | FileHandle,\r |
288f9b38 LG |
1338 | (VOID **)&DepexData\r |
1339 | );\r | |
b0d803fe | 1340 | \r |
192f6d4c | 1341 | if (EFI_ERROR (Status)) {\r |
b0d803fe | 1342 | //\r |
1343 | // If there is no DEPEX, assume the module can be executed\r | |
1344 | //\r | |
6a55eea3 | 1345 | DEBUG ((DEBUG_DISPATCH, " RESULT = TRUE (No DEPEX)\n"));\r |
192f6d4c | 1346 | return TRUE;\r |
1347 | }\r | |
1348 | \r | |
1349 | //\r | |
1350 | // Evaluate a given DEPEX\r | |
1351 | //\r | |
4140a663 | 1352 | return PeimDispatchReadiness (&Private->Ps, DepexData);\r |
192f6d4c | 1353 | }\r |
1354 | \r | |
14e8823a | 1355 | /**\r |
1356 | This routine enable a PEIM to register itself to shadow when PEI Foundation\r | |
1357 | discovery permanent memory.\r | |
1358 | \r | |
b1f6a7c6 | 1359 | @param FileHandle File handle of a PEIM.\r |
58dcdada | 1360 | \r |
b1f6a7c6 | 1361 | @retval EFI_NOT_FOUND The file handle doesn't point to PEIM itself.\r |
1362 | @retval EFI_ALREADY_STARTED Indicate that the PEIM has been registered itself.\r | |
1363 | @retval EFI_SUCCESS Successfully to register itself.\r | |
14e8823a | 1364 | \r |
58dcdada | 1365 | **/\r |
14e8823a | 1366 | EFI_STATUS\r |
1367 | EFIAPI\r | |
1368 | PeiRegisterForShadow (\r | |
1369 | IN EFI_PEI_FILE_HANDLE FileHandle\r | |
1370 | )\r | |
1371 | {\r | |
1372 | PEI_CORE_INSTANCE *Private;\r | |
1373 | Private = PEI_CORE_INSTANCE_FROM_PS_THIS (GetPeiServicesTablePointer ());\r | |
1374 | \r | |
1375 | if (Private->CurrentFileHandle != FileHandle) {\r | |
1376 | //\r | |
1377 | // The FileHandle must be for the current PEIM\r | |
1378 | //\r | |
1379 | return EFI_NOT_FOUND;\r | |
1380 | }\r | |
1381 | \r | |
c2c4199b | 1382 | if (Private->Fv[Private->CurrentPeimFvCount].PeimState[Private->CurrentPeimCount] >= PEIM_STATE_REGISTER_FOR_SHADOW) {\r |
14e8823a | 1383 | //\r |
1384 | // If the PEIM has already entered the PEIM_STATE_REGISTER_FOR_SHADOW or PEIM_STATE_DONE then it's already been started\r | |
1385 | //\r | |
1386 | return EFI_ALREADY_STARTED;\r | |
1387 | }\r | |
58dcdada | 1388 | \r |
c2c4199b | 1389 | Private->Fv[Private->CurrentPeimFvCount].PeimState[Private->CurrentPeimCount] = PEIM_STATE_REGISTER_FOR_SHADOW;\r |
14e8823a | 1390 | \r |
1391 | return EFI_SUCCESS;\r | |
1392 | }\r | |
1393 | \r | |
3b428ade | 1394 | \r |
341a658f | 1395 | \r |