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1e57a462 | 1 | /** @file\r |
2 | \r | |
3 | Copyright (c) 2010, Apple Inc. All rights reserved.<BR>\r | |
e39e40ca | 4 | Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>\r |
3402aac7 | 5 | \r |
1e57a462 | 6 | This program and the accompanying materials\r |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
14 | **/\r | |
15 | \r | |
16 | #include <PiPei.h>\r | |
17 | \r | |
18 | #include <Library/BaseLib.h>\r | |
19 | #include <Library/BaseMemoryLib.h>\r | |
20 | #include <Library/DebugLib.h>\r | |
21 | #include <Library/PeCoffLib.h>\r | |
22 | #include <Library/HobLib.h>\r | |
23 | #include <Library/PcdLib.h>\r | |
24 | #include <Library/PrePiHobListPointerLib.h>\r | |
25 | \r | |
26 | #include <Protocol/PeCoffLoader.h>\r | |
27 | #include <Guid/ExtractSection.h>\r | |
28 | #include <Guid/MemoryTypeInformation.h>\r | |
29 | #include <Guid/MemoryAllocationHob.h>\r | |
30 | \r | |
31 | VOID\r | |
32 | BuildMemoryTypeInformationHob (\r | |
33 | VOID\r | |
34 | );\r | |
35 | \r | |
36 | /**\r | |
37 | Returns the pointer to the HOB list.\r | |
38 | \r | |
39 | This function returns the pointer to first HOB in the list.\r | |
40 | \r | |
41 | @return The pointer to the HOB list.\r | |
42 | \r | |
43 | **/\r | |
44 | VOID *\r | |
45 | EFIAPI\r | |
46 | GetHobList (\r | |
47 | VOID\r | |
48 | )\r | |
49 | {\r | |
50 | return PrePeiGetHobList ();\r | |
51 | }\r | |
52 | \r | |
53 | \r | |
54 | \r | |
55 | /**\r | |
56 | Updates the pointer to the HOB list.\r | |
57 | \r | |
58 | @param HobList Hob list pointer to store\r | |
59 | \r | |
60 | **/\r | |
61 | EFI_STATUS\r | |
62 | EFIAPI\r | |
63 | SetHobList (\r | |
64 | IN VOID *HobList\r | |
65 | )\r | |
66 | {\r | |
67 | return PrePeiSetHobList (HobList);\r | |
68 | }\r | |
69 | \r | |
70 | /**\r | |
71 | \r | |
72 | \r | |
73 | **/\r | |
74 | EFI_HOB_HANDOFF_INFO_TABLE*\r | |
75 | HobConstructor (\r | |
76 | IN VOID *EfiMemoryBegin,\r | |
77 | IN UINTN EfiMemoryLength,\r | |
78 | IN VOID *EfiFreeMemoryBottom,\r | |
79 | IN VOID *EfiFreeMemoryTop\r | |
80 | )\r | |
81 | {\r | |
82 | EFI_HOB_HANDOFF_INFO_TABLE *Hob;\r | |
83 | EFI_HOB_GENERIC_HEADER *HobEnd;\r | |
84 | \r | |
85 | Hob = EfiFreeMemoryBottom;\r | |
86 | HobEnd = (EFI_HOB_GENERIC_HEADER *)(Hob+1);\r | |
87 | \r | |
88 | Hob->Header.HobType = EFI_HOB_TYPE_HANDOFF;\r | |
89 | Hob->Header.HobLength = sizeof(EFI_HOB_HANDOFF_INFO_TABLE);\r | |
90 | Hob->Header.Reserved = 0;\r | |
91 | \r | |
92 | HobEnd->HobType = EFI_HOB_TYPE_END_OF_HOB_LIST;\r | |
93 | HobEnd->HobLength = sizeof(EFI_HOB_GENERIC_HEADER);\r | |
94 | HobEnd->Reserved = 0;\r | |
95 | \r | |
96 | Hob->Version = EFI_HOB_HANDOFF_TABLE_VERSION;\r | |
97 | Hob->BootMode = BOOT_WITH_FULL_CONFIGURATION;\r | |
98 | \r | |
99 | Hob->EfiMemoryTop = (UINTN)EfiMemoryBegin + EfiMemoryLength;\r | |
100 | Hob->EfiMemoryBottom = (UINTN)EfiMemoryBegin;\r | |
101 | Hob->EfiFreeMemoryTop = (UINTN)EfiFreeMemoryTop;\r | |
102 | Hob->EfiFreeMemoryBottom = (EFI_PHYSICAL_ADDRESS)(UINTN)(HobEnd+1);\r | |
103 | Hob->EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS)(UINTN)HobEnd;\r | |
104 | \r | |
105 | return Hob;\r | |
106 | }\r | |
107 | \r | |
108 | VOID *\r | |
109 | CreateHob (\r | |
110 | IN UINT16 HobType,\r | |
111 | IN UINT16 HobLength\r | |
112 | )\r | |
113 | {\r | |
114 | EFI_HOB_HANDOFF_INFO_TABLE *HandOffHob;\r | |
115 | EFI_HOB_GENERIC_HEADER *HobEnd;\r | |
116 | EFI_PHYSICAL_ADDRESS FreeMemory;\r | |
117 | VOID *Hob;\r | |
118 | \r | |
119 | HandOffHob = GetHobList ();\r | |
120 | \r | |
121 | HobLength = (UINT16)((HobLength + 0x7) & (~0x7));\r | |
122 | \r | |
123 | FreeMemory = HandOffHob->EfiFreeMemoryTop - HandOffHob->EfiFreeMemoryBottom;\r | |
124 | \r | |
125 | if (FreeMemory < HobLength) {\r | |
126 | return NULL;\r | |
127 | }\r | |
128 | \r | |
129 | Hob = (VOID*) (UINTN) HandOffHob->EfiEndOfHobList;\r | |
130 | ((EFI_HOB_GENERIC_HEADER*) Hob)->HobType = HobType;\r | |
131 | ((EFI_HOB_GENERIC_HEADER*) Hob)->HobLength = HobLength;\r | |
132 | ((EFI_HOB_GENERIC_HEADER*) Hob)->Reserved = 0;\r | |
133 | \r | |
134 | HobEnd = (EFI_HOB_GENERIC_HEADER*) ((UINTN)Hob + HobLength);\r | |
135 | HandOffHob->EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS) (UINTN) HobEnd;\r | |
136 | \r | |
137 | HobEnd->HobType = EFI_HOB_TYPE_END_OF_HOB_LIST;\r | |
138 | HobEnd->HobLength = sizeof(EFI_HOB_GENERIC_HEADER);\r | |
139 | HobEnd->Reserved = 0;\r | |
140 | HobEnd++;\r | |
141 | HandOffHob->EfiFreeMemoryBottom = (EFI_PHYSICAL_ADDRESS) (UINTN) HobEnd;\r | |
142 | \r | |
143 | return Hob;\r | |
144 | }\r | |
145 | \r | |
146 | /**\r | |
147 | Builds a HOB that describes a chunk of system memory.\r | |
148 | \r | |
149 | This function builds a HOB that describes a chunk of system memory.\r | |
150 | If there is no additional space for HOB creation, then ASSERT().\r | |
151 | \r | |
152 | @param ResourceType The type of resource described by this HOB.\r | |
153 | @param ResourceAttribute The resource attributes of the memory described by this HOB.\r | |
154 | @param PhysicalStart The 64 bit physical address of memory described by this HOB.\r | |
155 | @param NumberOfBytes The length of the memory described by this HOB in bytes.\r | |
156 | \r | |
157 | **/\r | |
158 | VOID\r | |
159 | EFIAPI\r | |
160 | BuildResourceDescriptorHob (\r | |
161 | IN EFI_RESOURCE_TYPE ResourceType,\r | |
162 | IN EFI_RESOURCE_ATTRIBUTE_TYPE ResourceAttribute,\r | |
163 | IN EFI_PHYSICAL_ADDRESS PhysicalStart,\r | |
164 | IN UINT64 NumberOfBytes\r | |
165 | )\r | |
166 | {\r | |
167 | EFI_HOB_RESOURCE_DESCRIPTOR *Hob;\r | |
168 | \r | |
169 | Hob = CreateHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, sizeof (EFI_HOB_RESOURCE_DESCRIPTOR));\r | |
170 | ASSERT(Hob != NULL);\r | |
171 | \r | |
172 | Hob->ResourceType = ResourceType;\r | |
173 | Hob->ResourceAttribute = ResourceAttribute;\r | |
174 | Hob->PhysicalStart = PhysicalStart;\r | |
175 | Hob->ResourceLength = NumberOfBytes;\r | |
176 | }\r | |
177 | \r | |
1e57a462 | 178 | VOID\r |
179 | EFIAPI\r | |
3402aac7 | 180 | BuildFvHobs (\r |
1e57a462 | 181 | IN EFI_PHYSICAL_ADDRESS PhysicalStart,\r |
182 | IN UINT64 NumberOfBytes,\r | |
183 | IN EFI_RESOURCE_ATTRIBUTE_TYPE *ResourceAttribute\r | |
3402aac7 | 184 | )\r |
1e57a462 | 185 | {\r |
186 | \r | |
187 | EFI_RESOURCE_ATTRIBUTE_TYPE Resource;\r | |
3402aac7 | 188 | \r |
1e57a462 | 189 | BuildFvHob (PhysicalStart, NumberOfBytes);\r |
3402aac7 | 190 | \r |
1e57a462 | 191 | if (ResourceAttribute == NULL) {\r |
192 | Resource = (EFI_RESOURCE_ATTRIBUTE_PRESENT |\r | |
193 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r | |
194 | EFI_RESOURCE_ATTRIBUTE_TESTED |\r | |
195 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE);\r | |
196 | } else {\r | |
197 | Resource = *ResourceAttribute;\r | |
198 | }\r | |
3402aac7 | 199 | \r |
1e57a462 | 200 | BuildResourceDescriptorHob (EFI_RESOURCE_FIRMWARE_DEVICE, Resource, PhysicalStart, NumberOfBytes);\r |
201 | }\r | |
202 | \r | |
203 | /**\r | |
204 | Returns the next instance of a HOB type from the starting HOB.\r | |
205 | \r | |
3402aac7 | 206 | This function searches the first instance of a HOB type from the starting HOB pointer.\r |
1e57a462 | 207 | If there does not exist such HOB type from the starting HOB pointer, it will return NULL.\r |
208 | In contrast with macro GET_NEXT_HOB(), this function does not skip the starting HOB pointer\r | |
209 | unconditionally: it returns HobStart back if HobStart itself meets the requirement;\r | |
210 | caller is required to use GET_NEXT_HOB() if it wishes to skip current HobStart.\r | |
211 | If HobStart is NULL, then ASSERT().\r | |
212 | \r | |
213 | @param Type The HOB type to return.\r | |
214 | @param HobStart The starting HOB pointer to search from.\r | |
215 | \r | |
216 | @return The next instance of a HOB type from the starting HOB.\r | |
217 | \r | |
218 | **/\r | |
219 | VOID *\r | |
220 | EFIAPI\r | |
221 | GetNextHob (\r | |
222 | IN UINT16 Type,\r | |
223 | IN CONST VOID *HobStart\r | |
224 | )\r | |
225 | {\r | |
226 | EFI_PEI_HOB_POINTERS Hob;\r | |
227 | \r | |
228 | ASSERT (HobStart != NULL);\r | |
3402aac7 | 229 | \r |
1e57a462 | 230 | Hob.Raw = (UINT8 *) HobStart;\r |
231 | //\r | |
232 | // Parse the HOB list until end of list or matching type is found.\r | |
233 | //\r | |
234 | while (!END_OF_HOB_LIST (Hob)) {\r | |
235 | if (Hob.Header->HobType == Type) {\r | |
236 | return Hob.Raw;\r | |
237 | }\r | |
238 | Hob.Raw = GET_NEXT_HOB (Hob);\r | |
239 | }\r | |
240 | return NULL;\r | |
241 | }\r | |
3402aac7 RC |
242 | \r |
243 | \r | |
1e57a462 | 244 | \r |
245 | /**\r | |
246 | Returns the first instance of a HOB type among the whole HOB list.\r | |
247 | \r | |
3402aac7 RC |
248 | This function searches the first instance of a HOB type among the whole HOB list.\r |
249 | If there does not exist such HOB type in the HOB list, it will return NULL.\r | |
1e57a462 | 250 | \r |
251 | @param Type The HOB type to return.\r | |
252 | \r | |
253 | @return The next instance of a HOB type from the starting HOB.\r | |
254 | \r | |
255 | **/\r | |
256 | VOID *\r | |
257 | EFIAPI\r | |
258 | GetFirstHob (\r | |
259 | IN UINT16 Type\r | |
260 | )\r | |
261 | {\r | |
262 | VOID *HobList;\r | |
263 | \r | |
264 | HobList = GetHobList ();\r | |
265 | return GetNextHob (Type, HobList);\r | |
266 | }\r | |
267 | \r | |
268 | \r | |
269 | /**\r | |
3402aac7 RC |
270 | This function searches the first instance of a HOB from the starting HOB pointer.\r |
271 | Such HOB should satisfy two conditions:\r | |
272 | its HOB type is EFI_HOB_TYPE_GUID_EXTENSION and its GUID Name equals to the input Guid.\r | |
273 | If there does not exist such HOB from the starting HOB pointer, it will return NULL.\r | |
1e57a462 | 274 | Caller is required to apply GET_GUID_HOB_DATA () and GET_GUID_HOB_DATA_SIZE ()\r |
275 | to extract the data section and its size info respectively.\r | |
276 | In contrast with macro GET_NEXT_HOB(), this function does not skip the starting HOB pointer\r | |
277 | unconditionally: it returns HobStart back if HobStart itself meets the requirement;\r | |
278 | caller is required to use GET_NEXT_HOB() if it wishes to skip current HobStart.\r | |
279 | If Guid is NULL, then ASSERT().\r | |
280 | If HobStart is NULL, then ASSERT().\r | |
281 | \r | |
282 | @param Guid The GUID to match with in the HOB list.\r | |
283 | @param HobStart A pointer to a Guid.\r | |
284 | \r | |
285 | @return The next instance of the matched GUID HOB from the starting HOB.\r | |
286 | \r | |
287 | **/\r | |
288 | VOID *\r | |
289 | EFIAPI\r | |
290 | GetNextGuidHob (\r | |
291 | IN CONST EFI_GUID *Guid,\r | |
292 | IN CONST VOID *HobStart\r | |
293 | ){\r | |
294 | EFI_PEI_HOB_POINTERS GuidHob;\r | |
295 | \r | |
296 | GuidHob.Raw = (UINT8 *) HobStart;\r | |
297 | while ((GuidHob.Raw = GetNextHob (EFI_HOB_TYPE_GUID_EXTENSION, GuidHob.Raw)) != NULL) {\r | |
298 | if (CompareGuid (Guid, &GuidHob.Guid->Name)) {\r | |
299 | break;\r | |
300 | }\r | |
301 | GuidHob.Raw = GET_NEXT_HOB (GuidHob);\r | |
302 | }\r | |
303 | return GuidHob.Raw;\r | |
304 | }\r | |
305 | \r | |
306 | \r | |
307 | /**\r | |
3402aac7 | 308 | This function searches the first instance of a HOB among the whole HOB list.\r |
1e57a462 | 309 | Such HOB should satisfy two conditions:\r |
310 | its HOB type is EFI_HOB_TYPE_GUID_EXTENSION and its GUID Name equals to the input Guid.\r | |
311 | If there does not exist such HOB from the starting HOB pointer, it will return NULL.\r | |
312 | Caller is required to apply GET_GUID_HOB_DATA () and GET_GUID_HOB_DATA_SIZE ()\r | |
313 | to extract the data section and its size info respectively.\r | |
314 | If Guid is NULL, then ASSERT().\r | |
315 | \r | |
316 | @param Guid The GUID to match with in the HOB list.\r | |
317 | \r | |
318 | @return The first instance of the matched GUID HOB among the whole HOB list.\r | |
319 | \r | |
320 | **/\r | |
321 | VOID *\r | |
322 | EFIAPI\r | |
323 | GetFirstGuidHob (\r | |
324 | IN CONST EFI_GUID *Guid\r | |
325 | )\r | |
326 | {\r | |
327 | VOID *HobList;\r | |
328 | \r | |
329 | HobList = GetHobList ();\r | |
330 | return GetNextGuidHob (Guid, HobList);\r | |
331 | }\r | |
332 | \r | |
333 | \r | |
334 | /**\r | |
335 | Get the Boot Mode from the HOB list.\r | |
336 | \r | |
3402aac7 | 337 | This function returns the system boot mode information from the\r |
1e57a462 | 338 | PHIT HOB in HOB list.\r |
339 | \r | |
340 | @param VOID\r | |
341 | \r | |
342 | @return The Boot Mode.\r | |
343 | \r | |
344 | **/\r | |
345 | EFI_BOOT_MODE\r | |
346 | EFIAPI\r | |
347 | GetBootMode (\r | |
348 | VOID\r | |
349 | )\r | |
350 | {\r | |
351 | EFI_PEI_HOB_POINTERS Hob;\r | |
352 | \r | |
353 | Hob.Raw = GetHobList ();\r | |
354 | return Hob.HandoffInformationTable->BootMode;\r | |
355 | }\r | |
356 | \r | |
357 | \r | |
358 | /**\r | |
359 | Get the Boot Mode from the HOB list.\r | |
360 | \r | |
3402aac7 | 361 | This function returns the system boot mode information from the\r |
1e57a462 | 362 | PHIT HOB in HOB list.\r |
363 | \r | |
364 | @param VOID\r | |
365 | \r | |
366 | @return The Boot Mode.\r | |
367 | \r | |
368 | **/\r | |
369 | EFI_STATUS\r | |
370 | EFIAPI\r | |
371 | SetBootMode (\r | |
372 | IN EFI_BOOT_MODE BootMode\r | |
373 | )\r | |
374 | {\r | |
375 | EFI_PEI_HOB_POINTERS Hob;\r | |
376 | \r | |
377 | Hob.Raw = GetHobList ();\r | |
378 | Hob.HandoffInformationTable->BootMode = BootMode;\r | |
379 | return BootMode;\r | |
380 | }\r | |
381 | \r | |
382 | /**\r | |
383 | Builds a HOB for a loaded PE32 module.\r | |
384 | \r | |
385 | This function builds a HOB for a loaded PE32 module.\r | |
386 | It can only be invoked during PEI phase;\r | |
387 | for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.\r | |
388 | If ModuleName is NULL, then ASSERT().\r | |
389 | If there is no additional space for HOB creation, then ASSERT().\r | |
390 | \r | |
391 | @param ModuleName The GUID File Name of the module.\r | |
392 | @param MemoryAllocationModule The 64 bit physical address of the module.\r | |
393 | @param ModuleLength The length of the module in bytes.\r | |
394 | @param EntryPoint The 64 bit physical address of the module entry point.\r | |
395 | \r | |
396 | **/\r | |
397 | VOID\r | |
398 | EFIAPI\r | |
399 | BuildModuleHob (\r | |
400 | IN CONST EFI_GUID *ModuleName,\r | |
401 | IN EFI_PHYSICAL_ADDRESS MemoryAllocationModule,\r | |
402 | IN UINT64 ModuleLength,\r | |
403 | IN EFI_PHYSICAL_ADDRESS EntryPoint\r | |
404 | )\r | |
405 | {\r | |
406 | EFI_HOB_MEMORY_ALLOCATION_MODULE *Hob;\r | |
407 | \r | |
408 | ASSERT (((MemoryAllocationModule & (EFI_PAGE_SIZE - 1)) == 0) &&\r | |
409 | ((ModuleLength & (EFI_PAGE_SIZE - 1)) == 0));\r | |
410 | \r | |
411 | Hob = CreateHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, sizeof (EFI_HOB_MEMORY_ALLOCATION_MODULE));\r | |
412 | \r | |
413 | CopyGuid (&(Hob->MemoryAllocationHeader.Name), &gEfiHobMemoryAllocModuleGuid);\r | |
414 | Hob->MemoryAllocationHeader.MemoryBaseAddress = MemoryAllocationModule;\r | |
415 | Hob->MemoryAllocationHeader.MemoryLength = ModuleLength;\r | |
416 | Hob->MemoryAllocationHeader.MemoryType = EfiBootServicesCode;\r | |
417 | \r | |
418 | //\r | |
419 | // Zero the reserved space to match HOB spec\r | |
420 | //\r | |
421 | ZeroMem (Hob->MemoryAllocationHeader.Reserved, sizeof (Hob->MemoryAllocationHeader.Reserved));\r | |
3402aac7 | 422 | \r |
1e57a462 | 423 | CopyGuid (&Hob->ModuleName, ModuleName);\r |
424 | Hob->EntryPoint = EntryPoint;\r | |
425 | }\r | |
426 | \r | |
427 | /**\r | |
428 | Builds a GUID HOB with a certain data length.\r | |
429 | \r | |
3402aac7 RC |
430 | This function builds a customized HOB tagged with a GUID for identification\r |
431 | and returns the start address of GUID HOB data so that caller can fill the customized data.\r | |
1e57a462 | 432 | The HOB Header and Name field is already stripped.\r |
433 | It can only be invoked during PEI phase;\r | |
434 | for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.\r | |
435 | If Guid is NULL, then ASSERT().\r | |
436 | If there is no additional space for HOB creation, then ASSERT().\r | |
437 | If DataLength >= (0x10000 - sizeof (EFI_HOB_GUID_TYPE)), then ASSERT().\r | |
438 | \r | |
439 | @param Guid The GUID to tag the customized HOB.\r | |
440 | @param DataLength The size of the data payload for the GUID HOB.\r | |
441 | \r | |
442 | @return The start address of GUID HOB data.\r | |
443 | \r | |
444 | **/\r | |
445 | VOID *\r | |
446 | EFIAPI\r | |
447 | BuildGuidHob (\r | |
448 | IN CONST EFI_GUID *Guid,\r | |
449 | IN UINTN DataLength\r | |
450 | )\r | |
451 | {\r | |
452 | EFI_HOB_GUID_TYPE *Hob;\r | |
453 | \r | |
454 | //\r | |
455 | // Make sure that data length is not too long.\r | |
456 | //\r | |
457 | ASSERT (DataLength <= (0xffff - sizeof (EFI_HOB_GUID_TYPE)));\r | |
458 | \r | |
459 | Hob = CreateHob (EFI_HOB_TYPE_GUID_EXTENSION, (UINT16) (sizeof (EFI_HOB_GUID_TYPE) + DataLength));\r | |
460 | CopyGuid (&Hob->Name, Guid);\r | |
461 | return Hob + 1;\r | |
462 | }\r | |
463 | \r | |
464 | \r | |
465 | /**\r | |
466 | Copies a data buffer to a newly-built HOB.\r | |
467 | \r | |
468 | This function builds a customized HOB tagged with a GUID for identification,\r | |
469 | copies the input data to the HOB data field and returns the start address of the GUID HOB data.\r | |
470 | The HOB Header and Name field is already stripped.\r | |
471 | It can only be invoked during PEI phase;\r | |
472 | for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.\r | |
473 | If Guid is NULL, then ASSERT().\r | |
474 | If Data is NULL and DataLength > 0, then ASSERT().\r | |
475 | If there is no additional space for HOB creation, then ASSERT().\r | |
476 | If DataLength >= (0x10000 - sizeof (EFI_HOB_GUID_TYPE)), then ASSERT().\r | |
477 | \r | |
478 | @param Guid The GUID to tag the customized HOB.\r | |
479 | @param Data The data to be copied into the data field of the GUID HOB.\r | |
480 | @param DataLength The size of the data payload for the GUID HOB.\r | |
481 | \r | |
482 | @return The start address of GUID HOB data.\r | |
483 | \r | |
484 | **/\r | |
485 | VOID *\r | |
486 | EFIAPI\r | |
487 | BuildGuidDataHob (\r | |
488 | IN CONST EFI_GUID *Guid,\r | |
489 | IN VOID *Data,\r | |
490 | IN UINTN DataLength\r | |
491 | )\r | |
492 | {\r | |
493 | VOID *HobData;\r | |
494 | \r | |
495 | ASSERT (Data != NULL || DataLength == 0);\r | |
496 | \r | |
497 | HobData = BuildGuidHob (Guid, DataLength);\r | |
498 | \r | |
499 | return CopyMem (HobData, Data, DataLength);\r | |
500 | }\r | |
501 | \r | |
502 | \r | |
503 | /**\r | |
504 | Builds a Firmware Volume HOB.\r | |
505 | \r | |
506 | This function builds a Firmware Volume HOB.\r | |
507 | It can only be invoked during PEI phase;\r | |
508 | for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.\r | |
509 | If there is no additional space for HOB creation, then ASSERT().\r | |
510 | \r | |
511 | @param BaseAddress The base address of the Firmware Volume.\r | |
512 | @param Length The size of the Firmware Volume in bytes.\r | |
513 | \r | |
514 | **/\r | |
515 | VOID\r | |
516 | EFIAPI\r | |
517 | BuildFvHob (\r | |
518 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
519 | IN UINT64 Length\r | |
520 | )\r | |
521 | {\r | |
522 | EFI_HOB_FIRMWARE_VOLUME *Hob;\r | |
523 | \r | |
524 | Hob = CreateHob (EFI_HOB_TYPE_FV, sizeof (EFI_HOB_FIRMWARE_VOLUME));\r | |
525 | \r | |
526 | Hob->BaseAddress = BaseAddress;\r | |
527 | Hob->Length = Length;\r | |
528 | }\r | |
529 | \r | |
530 | \r | |
531 | /**\r | |
532 | Builds a EFI_HOB_TYPE_FV2 HOB.\r | |
533 | \r | |
534 | This function builds a EFI_HOB_TYPE_FV2 HOB.\r | |
535 | It can only be invoked during PEI phase;\r | |
536 | for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.\r | |
537 | If there is no additional space for HOB creation, then ASSERT().\r | |
538 | \r | |
539 | @param BaseAddress The base address of the Firmware Volume.\r | |
540 | @param Length The size of the Firmware Volume in bytes.\r | |
541 | @param FvName The name of the Firmware Volume.\r | |
542 | @param FileName The name of the file.\r | |
3402aac7 | 543 | \r |
1e57a462 | 544 | **/\r |
545 | VOID\r | |
546 | EFIAPI\r | |
547 | BuildFv2Hob (\r | |
548 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
549 | IN UINT64 Length,\r | |
550 | IN CONST EFI_GUID *FvName,\r | |
551 | IN CONST EFI_GUID *FileName\r | |
552 | )\r | |
553 | {\r | |
554 | EFI_HOB_FIRMWARE_VOLUME2 *Hob;\r | |
555 | \r | |
556 | Hob = CreateHob (EFI_HOB_TYPE_FV2, sizeof (EFI_HOB_FIRMWARE_VOLUME2));\r | |
557 | \r | |
558 | Hob->BaseAddress = BaseAddress;\r | |
559 | Hob->Length = Length;\r | |
560 | CopyGuid (&Hob->FvName, FvName);\r | |
561 | CopyGuid (&Hob->FileName, FileName);\r | |
562 | }\r | |
563 | \r | |
e39e40ca SZ |
564 | /**\r |
565 | Builds a EFI_HOB_TYPE_FV3 HOB.\r | |
566 | \r | |
567 | This function builds a EFI_HOB_TYPE_FV3 HOB.\r | |
568 | It can only be invoked during PEI phase;\r | |
569 | for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.\r | |
570 | \r | |
571 | If there is no additional space for HOB creation, then ASSERT().\r | |
572 | \r | |
573 | @param BaseAddress The base address of the Firmware Volume.\r | |
574 | @param Length The size of the Firmware Volume in bytes.\r | |
575 | @param AuthenticationStatus The authentication status.\r | |
576 | @param ExtractedFv TRUE if the FV was extracted as a file within\r | |
577 | another firmware volume. FALSE otherwise.\r | |
578 | @param FvName The name of the Firmware Volume.\r | |
579 | Valid only if IsExtractedFv is TRUE.\r | |
580 | @param FileName The name of the file.\r | |
581 | Valid only if IsExtractedFv is TRUE.\r | |
582 | \r | |
583 | **/\r | |
584 | VOID\r | |
585 | EFIAPI\r | |
586 | BuildFv3Hob (\r | |
587 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
588 | IN UINT64 Length,\r | |
589 | IN UINT32 AuthenticationStatus,\r | |
590 | IN BOOLEAN ExtractedFv,\r | |
591 | IN CONST EFI_GUID *FvName, OPTIONAL\r | |
592 | IN CONST EFI_GUID *FileName OPTIONAL\r | |
593 | )\r | |
594 | {\r | |
595 | EFI_HOB_FIRMWARE_VOLUME3 *Hob;\r | |
596 | \r | |
597 | Hob = CreateHob (EFI_HOB_TYPE_FV3, sizeof (EFI_HOB_FIRMWARE_VOLUME3));\r | |
1e57a462 | 598 | \r |
e39e40ca SZ |
599 | Hob->BaseAddress = BaseAddress;\r |
600 | Hob->Length = Length;\r | |
601 | Hob->AuthenticationStatus = AuthenticationStatus;\r | |
602 | Hob->ExtractedFv = ExtractedFv;\r | |
603 | if (ExtractedFv) {\r | |
604 | CopyGuid (&Hob->FvName, FvName);\r | |
605 | CopyGuid (&Hob->FileName, FileName);\r | |
606 | }\r | |
607 | }\r | |
1e57a462 | 608 | \r |
609 | /**\r | |
610 | Builds a Capsule Volume HOB.\r | |
611 | \r | |
612 | This function builds a Capsule Volume HOB.\r | |
613 | It can only be invoked during PEI phase;\r | |
614 | for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.\r | |
615 | If there is no additional space for HOB creation, then ASSERT().\r | |
616 | \r | |
617 | @param BaseAddress The base address of the Capsule Volume.\r | |
618 | @param Length The size of the Capsule Volume in bytes.\r | |
619 | \r | |
620 | **/\r | |
621 | VOID\r | |
622 | EFIAPI\r | |
623 | BuildCvHob (\r | |
624 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
625 | IN UINT64 Length\r | |
626 | )\r | |
627 | {\r | |
628 | ASSERT (FALSE);\r | |
629 | }\r | |
630 | \r | |
631 | \r | |
632 | /**\r | |
633 | Builds a HOB for the CPU.\r | |
634 | \r | |
635 | This function builds a HOB for the CPU.\r | |
636 | It can only be invoked during PEI phase;\r | |
637 | for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.\r | |
638 | If there is no additional space for HOB creation, then ASSERT().\r | |
639 | \r | |
640 | @param SizeOfMemorySpace The maximum physical memory addressability of the processor.\r | |
641 | @param SizeOfIoSpace The maximum physical I/O addressability of the processor.\r | |
642 | \r | |
643 | **/\r | |
644 | VOID\r | |
645 | EFIAPI\r | |
646 | BuildCpuHob (\r | |
647 | IN UINT8 SizeOfMemorySpace,\r | |
648 | IN UINT8 SizeOfIoSpace\r | |
649 | )\r | |
650 | {\r | |
651 | EFI_HOB_CPU *Hob;\r | |
652 | \r | |
653 | Hob = CreateHob (EFI_HOB_TYPE_CPU, sizeof (EFI_HOB_CPU));\r | |
654 | \r | |
655 | Hob->SizeOfMemorySpace = SizeOfMemorySpace;\r | |
656 | Hob->SizeOfIoSpace = SizeOfIoSpace;\r | |
657 | \r | |
658 | //\r | |
659 | // Zero the reserved space to match HOB spec\r | |
660 | //\r | |
3402aac7 | 661 | ZeroMem (Hob->Reserved, sizeof (Hob->Reserved));\r |
1e57a462 | 662 | }\r |
663 | \r | |
664 | \r | |
665 | /**\r | |
666 | Builds a HOB for the Stack.\r | |
667 | \r | |
668 | This function builds a HOB for the stack.\r | |
669 | It can only be invoked during PEI phase;\r | |
670 | for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.\r | |
671 | If there is no additional space for HOB creation, then ASSERT().\r | |
672 | \r | |
673 | @param BaseAddress The 64 bit physical address of the Stack.\r | |
674 | @param Length The length of the stack in bytes.\r | |
675 | \r | |
676 | **/\r | |
677 | VOID\r | |
678 | EFIAPI\r | |
679 | BuildStackHob (\r | |
680 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
681 | IN UINT64 Length\r | |
682 | )\r | |
683 | {\r | |
684 | EFI_HOB_MEMORY_ALLOCATION_STACK *Hob;\r | |
685 | \r | |
686 | ASSERT (((BaseAddress & (EFI_PAGE_SIZE - 1)) == 0) &&\r | |
687 | ((Length & (EFI_PAGE_SIZE - 1)) == 0));\r | |
688 | \r | |
689 | Hob = CreateHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, sizeof (EFI_HOB_MEMORY_ALLOCATION_STACK));\r | |
690 | \r | |
691 | CopyGuid (&(Hob->AllocDescriptor.Name), &gEfiHobMemoryAllocStackGuid);\r | |
692 | Hob->AllocDescriptor.MemoryBaseAddress = BaseAddress;\r | |
693 | Hob->AllocDescriptor.MemoryLength = Length;\r | |
694 | Hob->AllocDescriptor.MemoryType = EfiBootServicesData;\r | |
695 | \r | |
696 | //\r | |
697 | // Zero the reserved space to match HOB spec\r | |
698 | //\r | |
699 | ZeroMem (Hob->AllocDescriptor.Reserved, sizeof (Hob->AllocDescriptor.Reserved));\r | |
700 | }\r | |
701 | \r | |
702 | \r | |
703 | /**\r | |
704 | Update the Stack Hob if the stack has been moved\r | |
705 | \r | |
706 | @param BaseAddress The 64 bit physical address of the Stack.\r | |
707 | @param Length The length of the stack in bytes.\r | |
708 | \r | |
709 | **/\r | |
710 | VOID\r | |
711 | UpdateStackHob (\r | |
712 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
713 | IN UINT64 Length\r | |
714 | )\r | |
715 | {\r | |
716 | EFI_PEI_HOB_POINTERS Hob;\r | |
717 | \r | |
718 | Hob.Raw = GetHobList ();\r | |
719 | while ((Hob.Raw = GetNextHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, Hob.Raw)) != NULL) {\r | |
720 | if (CompareGuid (&gEfiHobMemoryAllocStackGuid, &(Hob.MemoryAllocationStack->AllocDescriptor.Name))) {\r | |
721 | //\r | |
722 | // Build a new memory allocation HOB with old stack info with EfiConventionalMemory type\r | |
723 | // to be reclaimed by DXE core.\r | |
724 | //\r | |
725 | BuildMemoryAllocationHob (\r | |
726 | Hob.MemoryAllocationStack->AllocDescriptor.MemoryBaseAddress,\r | |
727 | Hob.MemoryAllocationStack->AllocDescriptor.MemoryLength,\r | |
728 | EfiConventionalMemory\r | |
729 | );\r | |
730 | //\r | |
731 | // Update the BSP Stack Hob to reflect the new stack info.\r | |
732 | //\r | |
733 | Hob.MemoryAllocationStack->AllocDescriptor.MemoryBaseAddress = BaseAddress;\r | |
734 | Hob.MemoryAllocationStack->AllocDescriptor.MemoryLength = Length;\r | |
735 | break;\r | |
736 | }\r | |
737 | Hob.Raw = GET_NEXT_HOB (Hob);\r | |
738 | }\r | |
739 | }\r | |
740 | \r | |
741 | \r | |
742 | \r | |
743 | /**\r | |
744 | Builds a HOB for the memory allocation.\r | |
745 | \r | |
746 | This function builds a HOB for the memory allocation.\r | |
747 | It can only be invoked during PEI phase;\r | |
748 | for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.\r | |
749 | If there is no additional space for HOB creation, then ASSERT().\r | |
750 | \r | |
751 | @param BaseAddress The 64 bit physical address of the memory.\r | |
752 | @param Length The length of the memory allocation in bytes.\r | |
753 | @param MemoryType Type of memory allocated by this HOB.\r | |
754 | \r | |
755 | **/\r | |
756 | VOID\r | |
757 | EFIAPI\r | |
758 | BuildMemoryAllocationHob (\r | |
759 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
760 | IN UINT64 Length,\r | |
761 | IN EFI_MEMORY_TYPE MemoryType\r | |
762 | )\r | |
763 | {\r | |
764 | EFI_HOB_MEMORY_ALLOCATION *Hob;\r | |
765 | \r | |
766 | ASSERT (((BaseAddress & (EFI_PAGE_SIZE - 1)) == 0) &&\r | |
767 | ((Length & (EFI_PAGE_SIZE - 1)) == 0));\r | |
3402aac7 | 768 | \r |
1e57a462 | 769 | Hob = CreateHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, sizeof (EFI_HOB_MEMORY_ALLOCATION));\r |
3402aac7 | 770 | \r |
1e57a462 | 771 | ZeroMem (&(Hob->AllocDescriptor.Name), sizeof (EFI_GUID));\r |
772 | Hob->AllocDescriptor.MemoryBaseAddress = BaseAddress;\r | |
773 | Hob->AllocDescriptor.MemoryLength = Length;\r | |
774 | Hob->AllocDescriptor.MemoryType = MemoryType;\r | |
775 | //\r | |
776 | // Zero the reserved space to match HOB spec\r | |
777 | //\r | |
778 | ZeroMem (Hob->AllocDescriptor.Reserved, sizeof (Hob->AllocDescriptor.Reserved));\r | |
779 | }\r | |
780 | \r | |
781 | \r | |
782 | \r | |
783 | VOID\r | |
784 | EFIAPI\r | |
785 | BuildExtractSectionHob (\r | |
786 | IN EFI_GUID *Guid,\r | |
787 | IN EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER SectionGetInfo,\r | |
788 | IN EXTRACT_GUIDED_SECTION_DECODE_HANDLER SectionExtraction\r | |
789 | )\r | |
790 | {\r | |
791 | EXTRACT_SECTION_DATA Data;\r | |
3402aac7 | 792 | \r |
1e57a462 | 793 | Data.SectionGetInfo = SectionGetInfo;\r |
794 | Data.SectionExtraction = SectionExtraction;\r | |
795 | BuildGuidDataHob (Guid, &Data, sizeof (Data));\r | |
796 | }\r | |
797 | \r | |
798 | PE_COFF_LOADER_PROTOCOL gPeCoffProtocol = {\r | |
799 | PeCoffLoaderGetImageInfo,\r | |
800 | PeCoffLoaderLoadImage,\r | |
801 | PeCoffLoaderRelocateImage,\r | |
802 | PeCoffLoaderImageReadFromMemory,\r | |
803 | PeCoffLoaderRelocateImageForRuntime,\r | |
804 | PeCoffLoaderUnloadImage\r | |
805 | };\r | |
806 | \r | |
807 | \r | |
808 | \r | |
809 | VOID\r | |
810 | EFIAPI\r | |
811 | BuildPeCoffLoaderHob (\r | |
812 | VOID\r | |
813 | )\r | |
814 | {\r | |
3402aac7 RC |
815 | VOID *Ptr;\r |
816 | \r | |
1e57a462 | 817 | Ptr = &gPeCoffProtocol;\r |
3402aac7 | 818 | BuildGuidDataHob (&gPeCoffLoaderProtocolGuid, &Ptr, sizeof (VOID *));\r |
1e57a462 | 819 | }\r |
820 | \r | |
821 | // May want to put this into a library so you only need the PCD setings if you are using the feature?\r | |
822 | VOID\r | |
823 | BuildMemoryTypeInformationHob (\r | |
824 | VOID\r | |
825 | )\r | |
826 | {\r | |
827 | EFI_MEMORY_TYPE_INFORMATION Info[10];\r | |
828 | \r | |
829 | Info[0].Type = EfiACPIReclaimMemory;\r | |
830 | Info[0].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiACPIReclaimMemory);\r | |
831 | Info[1].Type = EfiACPIMemoryNVS;\r | |
832 | Info[1].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiACPIMemoryNVS);\r | |
833 | Info[2].Type = EfiReservedMemoryType;\r | |
834 | Info[2].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiReservedMemoryType);\r | |
835 | Info[3].Type = EfiRuntimeServicesData;\r | |
836 | Info[3].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiRuntimeServicesData);\r | |
837 | Info[4].Type = EfiRuntimeServicesCode;\r | |
838 | Info[4].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiRuntimeServicesCode);\r | |
839 | Info[5].Type = EfiBootServicesCode;\r | |
840 | Info[5].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiBootServicesCode);\r | |
841 | Info[6].Type = EfiBootServicesData;\r | |
842 | Info[6].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiBootServicesData);\r | |
843 | Info[7].Type = EfiLoaderCode;\r | |
844 | Info[7].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiLoaderCode);\r | |
845 | Info[8].Type = EfiLoaderData;\r | |
846 | Info[8].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiLoaderData);\r | |
847 | \r | |
848 | // Terminator for the list\r | |
849 | Info[9].Type = EfiMaxMemoryType;\r | |
850 | Info[9].NumberOfPages = 0;\r | |
851 | \r | |
852 | \r | |
853 | BuildGuidDataHob (&gEfiMemoryTypeInformationGuid, &Info, sizeof (Info));\r | |
854 | }\r | |
855 | \r |