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Commit | Line | Data |
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ca162103 | 1 | /*++\r |
2 | \r | |
3 | Copyright (c) 2006 - 2007, Intel Corporation \r | |
4 | All rights reserved. This program and the accompanying materials \r | |
5 | are licensed and made available under the terms and conditions of the BSD License \r | |
6 | which accompanies this distribution. The full text of the license may be found at \r | |
7 | http://opensource.org/licenses/bsd-license.php \r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
11 | \r | |
12 | Module Name:\r | |
13 | HobGeneration.c\r | |
14 | \r | |
15 | Abstract:\r | |
16 | \r | |
17 | Revision History:\r | |
18 | \r | |
19 | --*/\r | |
20 | #include "DxeIpl.h"\r | |
21 | #include "HobGeneration.h"\r | |
22 | #include "PpisNeededByDxeCore.h"\r | |
23 | #include "FlashLayout.h"\r | |
24 | #include "Debug.h"\r | |
25 | \r | |
26 | #define EFI_DXE_FILE_GUID \\r | |
27 | { 0xb1644c1a, 0xc16a, 0x4c5b, 0x88, 0xde, 0xea, 0xfb, 0xa9, 0x7e, 0x74, 0xd8 }\r | |
28 | \r | |
29 | #define CPUID_EXTENDED_ADD_SIZE 0x80000008\r | |
30 | \r | |
31 | HOB_TEMPLATE gHobTemplate = {\r | |
32 | { // Phit\r | |
33 | { // Header\r | |
34 | EFI_HOB_TYPE_HANDOFF, // HobType\r | |
35 | sizeof (EFI_HOB_HANDOFF_INFO_TABLE), // HobLength\r | |
36 | 0 // Reserved\r | |
37 | },\r | |
38 | EFI_HOB_HANDOFF_TABLE_VERSION, // Version\r | |
39 | BOOT_WITH_FULL_CONFIGURATION, // BootMode\r | |
40 | 0, // EfiMemoryTop\r | |
41 | 0, // EfiMemoryBottom\r | |
42 | 0, // EfiFreeMemoryTop\r | |
43 | 0, // EfiFreeMemoryBottom\r | |
44 | 0 // EfiEndOfHobList\r | |
45 | }, \r | |
46 | { // Bfv\r | |
47 | {\r | |
48 | EFI_HOB_TYPE_FV, // HobType\r | |
49 | sizeof (EFI_HOB_FIRMWARE_VOLUME), // HobLength\r | |
50 | 0 // Reserved\r | |
51 | },\r | |
52 | 0, // BaseAddress\r | |
53 | 0 // Length\r | |
54 | },\r | |
55 | { // BfvResource\r | |
56 | {\r | |
57 | EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType\r | |
58 | sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength\r | |
59 | 0 // Reserved\r | |
60 | },\r | |
61 | {\r | |
62 | 0 // Owner Guid\r | |
63 | },\r | |
64 | EFI_RESOURCE_FIRMWARE_DEVICE, // ResourceType\r | |
65 | (EFI_RESOURCE_ATTRIBUTE_PRESENT |\r | |
66 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r | |
67 | EFI_RESOURCE_ATTRIBUTE_TESTED |\r | |
68 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE), // ResourceAttribute\r | |
69 | 0, // PhysicalStart\r | |
70 | 0 // ResourceLength\r | |
71 | },\r | |
72 | { // Cpu\r | |
73 | { // Header\r | |
74 | EFI_HOB_TYPE_CPU, // HobType\r | |
75 | sizeof (EFI_HOB_CPU), // HobLength\r | |
76 | 0 // Reserved\r | |
77 | },\r | |
78 | 52, // SizeOfMemorySpace - Architecture Max\r | |
79 | 16, // SizeOfIoSpace,\r | |
80 | {\r | |
81 | 0, 0, 0, 0, 0, 0 // Reserved[6]\r | |
82 | }\r | |
83 | },\r | |
84 | { // Stack HOB\r | |
85 | { // header\r | |
86 | EFI_HOB_TYPE_MEMORY_ALLOCATION, // Hob type\r | |
87 | sizeof (EFI_HOB_MEMORY_ALLOCATION_STACK), // Hob size\r | |
88 | 0 // reserved\r | |
89 | },\r | |
90 | {\r | |
91 | EFI_HOB_MEMORY_ALLOC_STACK_GUID,\r | |
92 | 0x0, // EFI_PHYSICAL_ADDRESS MemoryBaseAddress;\r | |
93 | 0x0, // UINT64 MemoryLength;\r | |
94 | EfiBootServicesData, // EFI_MEMORY_TYPE MemoryType; \r | |
95 | 0, 0, 0, 0 // Reserved Reserved[4]; \r | |
96 | }\r | |
97 | },\r | |
98 | { // MemoryAllocation for HOB's & Images\r | |
99 | {\r | |
100 | EFI_HOB_TYPE_MEMORY_ALLOCATION, // HobType\r | |
101 | sizeof (EFI_HOB_MEMORY_ALLOCATION), // HobLength\r | |
102 | 0 // Reserved\r | |
103 | },\r | |
104 | {\r | |
105 | {\r | |
106 | 0, //EFI_HOB_MEMORY_ALLOC_MODULE_GUID // Name\r | |
107 | },\r | |
108 | 0x0, // EFI_PHYSICAL_ADDRESS MemoryBaseAddress;\r | |
109 | 0x0, // UINT64 MemoryLength;\r | |
110 | EfiBootServicesData, // EFI_MEMORY_TYPE MemoryType; \r | |
111 | {\r | |
112 | 0, 0, 0, 0 // Reserved Reserved[4]; \r | |
113 | }\r | |
114 | }\r | |
115 | },\r | |
116 | { // MemoryFreeUnder1MB for unused memory that DXE core will claim\r | |
117 | {\r | |
118 | EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType\r | |
119 | sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength\r | |
120 | 0 // Reserved\r | |
121 | },\r | |
122 | {\r | |
123 | 0 // Owner Guid\r | |
124 | },\r | |
125 | EFI_RESOURCE_SYSTEM_MEMORY, // ResourceType\r | |
126 | (EFI_RESOURCE_ATTRIBUTE_PRESENT |\r | |
127 | EFI_RESOURCE_ATTRIBUTE_TESTED |\r | |
128 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r | |
129 | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE | \r | |
130 | EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE | \r | |
131 | EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE | \r | |
132 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE), \r | |
133 | 0x0, // PhysicalStart\r | |
134 | 0 // ResourceLength\r | |
135 | },\r | |
136 | { // MemoryFreeAbove1MB for unused memory that DXE core will claim\r | |
137 | {\r | |
138 | EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType\r | |
139 | sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength\r | |
140 | 0 // Reserved\r | |
141 | },\r | |
142 | {\r | |
143 | 0 // Owner Guid\r | |
144 | },\r | |
145 | EFI_RESOURCE_SYSTEM_MEMORY, // ResourceType\r | |
146 | (EFI_RESOURCE_ATTRIBUTE_PRESENT |\r | |
147 | EFI_RESOURCE_ATTRIBUTE_TESTED |\r | |
148 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r | |
149 | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE | \r | |
150 | EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE | \r | |
151 | EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE | \r | |
152 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE), \r | |
153 | 0x0, // PhysicalStart\r | |
154 | 0 // ResourceLength\r | |
155 | },\r | |
156 | { // MemoryFreeAbove4GB for unused memory that DXE core will claim\r | |
157 | {\r | |
158 | EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType\r | |
159 | sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength\r | |
160 | 0 // Reserved\r | |
161 | },\r | |
162 | {\r | |
163 | 0 // Owner Guid\r | |
164 | },\r | |
165 | EFI_RESOURCE_SYSTEM_MEMORY, // ResourceType\r | |
166 | (EFI_RESOURCE_ATTRIBUTE_PRESENT |\r | |
167 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r | |
168 | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE | \r | |
169 | EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE | \r | |
170 | EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE | \r | |
171 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE), \r | |
172 | 0x0, // PhysicalStart\r | |
173 | 0 // ResourceLength\r | |
174 | },\r | |
175 | { // Memory Allocation Module for DxeCore\r | |
176 | { // header\r | |
177 | EFI_HOB_TYPE_MEMORY_ALLOCATION, // Hob type\r | |
178 | sizeof (EFI_HOB_MEMORY_ALLOCATION_MODULE), // Hob size\r | |
179 | 0 // reserved\r | |
180 | },\r | |
181 | {\r | |
182 | EFI_HOB_MEMORY_ALLOC_MODULE_GUID,\r | |
183 | 0x0, // EFI_PHYSICAL_ADDRESS MemoryBaseAddress;\r | |
184 | 0x0, // UINT64 MemoryLength;\r | |
185 | EfiBootServicesCode, // EFI_MEMORY_TYPE MemoryType; \r | |
186 | {\r | |
187 | 0, 0, 0, 0 // UINT8 Reserved[4]; \r | |
188 | },\r | |
189 | },\r | |
190 | EFI_DXE_FILE_GUID,\r | |
191 | 0x0 // EFI_PHYSICAL_ADDRESS of EntryPoint;\r | |
192 | },\r | |
193 | { // Memory Map Hints to reduce fragmentation in the memory map\r | |
194 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
195 | sizeof (MEMORY_TYPE_INFORMATION_HOB), // Hob size\r | |
196 | 0, // reserved\r | |
197 | EFI_MEMORY_TYPE_INFORMATION_GUID,\r | |
198 | {\r | |
199 | {\r | |
200 | EfiACPIReclaimMemory,\r | |
201 | 0x80\r | |
202 | }, // 0x80 pages = 512k for ASL\r | |
203 | {\r | |
204 | EfiACPIMemoryNVS,\r | |
205 | 0x100\r | |
206 | }, // 0x100 pages = 1024k for S3, SMM, etc\r | |
207 | {\r | |
208 | EfiReservedMemoryType,\r | |
209 | 0x04\r | |
210 | }, // 16k for BIOS Reserved\r | |
211 | {\r | |
212 | EfiRuntimeServicesData,\r | |
213 | 0x100\r | |
214 | },\r | |
215 | {\r | |
216 | EfiRuntimeServicesCode,\r | |
217 | 0x100\r | |
218 | },\r | |
219 | {\r | |
220 | EfiBootServicesCode,\r | |
221 | 0x200\r | |
222 | },\r | |
223 | {\r | |
224 | EfiBootServicesData,\r | |
225 | 0x200\r | |
226 | },\r | |
227 | {\r | |
228 | EfiLoaderCode,\r | |
229 | 0x100\r | |
230 | },\r | |
231 | {\r | |
232 | EfiLoaderData,\r | |
233 | 0x100\r | |
234 | },\r | |
235 | {\r | |
236 | EfiMaxMemoryType,\r | |
237 | 0\r | |
238 | }\r | |
239 | }\r | |
240 | },\r | |
241 | { // Pointer to ACPI Table\r | |
242 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
243 | sizeof (TABLE_HOB), // Hob size\r | |
244 | 0, // reserved\r | |
245 | EFI_ACPI_TABLE_GUID,\r | |
246 | 0\r | |
247 | },\r | |
248 | { // Pointer to ACPI20 Table\r | |
249 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
250 | sizeof (TABLE_HOB), // Hob size\r | |
251 | 0, // reserved\r | |
252 | EFI_ACPI_20_TABLE_GUID,\r | |
253 | 0\r | |
254 | },\r | |
255 | { // Pointer to SMBIOS Table\r | |
256 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
257 | sizeof (TABLE_HOB), // Hob size\r | |
258 | 0, // reserved\r | |
259 | EFI_SMBIOS_TABLE_GUID,\r | |
260 | 0\r | |
261 | },\r | |
262 | { // Pointer to MPS Table\r | |
263 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
264 | sizeof (TABLE_HOB), // Hob size\r | |
265 | 0, // reserved\r | |
266 | EFI_MPS_TABLE_GUID,\r | |
267 | 0\r | |
268 | },\r | |
269 | /**\r | |
270 | { // Pointer to FlushInstructionCache\r | |
271 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
272 | sizeof (PROTOCOL_HOB), // Hob size\r | |
273 | 0, // reserved\r | |
274 | EFI_PEI_FLUSH_INSTRUCTION_CACHE_GUID,\r | |
275 | NULL\r | |
276 | },\r | |
277 | { // Pointer to TransferControl\r | |
278 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
279 | sizeof (PROTOCOL_HOB), // Hob size\r | |
280 | 0, // reserved\r | |
281 | EFI_PEI_TRANSFER_CONTROL_GUID,\r | |
282 | NULL\r | |
283 | },\r | |
284 | { // Pointer to PeCoffLoader\r | |
285 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
286 | sizeof (PROTOCOL_HOB), // Hob size\r | |
287 | 0, // reserved\r | |
288 | EFI_PEI_PE_COFF_LOADER_GUID,\r | |
289 | NULL\r | |
290 | },\r | |
291 | { // Pointer to EfiDecompress\r | |
292 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
293 | sizeof (PROTOCOL_HOB), // Hob size\r | |
294 | 0, // reserved\r | |
295 | EFI_DECOMPRESS_PROTOCOL_GUID,\r | |
296 | NULL\r | |
297 | },\r | |
298 | { // Pointer to TianoDecompress\r | |
299 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
300 | sizeof (PROTOCOL_HOB), // Hob size\r | |
301 | 0, // reserved\r | |
302 | EFI_TIANO_DECOMPRESS_PROTOCOL_GUID,\r | |
303 | NULL\r | |
304 | },\r | |
305 | **/\r | |
306 | { // Pointer to ReportStatusCode\r | |
307 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
308 | sizeof (PROTOCOL_HOB), // Hob size\r | |
309 | 0, // reserved\r | |
310 | EFI_STATUS_CODE_RUNTIME_PROTOCOL_GUID,\r | |
311 | NULL\r | |
312 | },\r | |
313 | { // EFILDR Memory Descriptor\r | |
314 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
315 | sizeof (MEMORY_DESC_HOB), // Hob size\r | |
316 | 0, // reserved\r | |
317 | EFI_LDR_MEMORY_DESCRIPTOR_GUID,\r | |
318 | 0,\r | |
319 | NULL\r | |
320 | },\r | |
321 | { // Pci Express Base Address Hob\r | |
322 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
323 | sizeof (PCI_EXPRESS_BASE_HOB), // Hob size\r | |
324 | 0, // reserved\r | |
325 | EFI_PCI_EXPRESS_BASE_ADDRESS_GUID,\r | |
326 | {\r | |
327 | 0,\r | |
328 | 0,\r | |
329 | 0,\r | |
330 | }\r | |
331 | },\r | |
332 | { // Acpi Description Hob\r | |
333 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
334 | sizeof (ACPI_DESCRIPTION_HOB), // Hob size\r | |
335 | 0, // reserved\r | |
336 | EFI_ACPI_DESCRIPTION_GUID,\r | |
337 | {\r | |
338 | 0,\r | |
339 | }\r | |
340 | },\r | |
341 | { // NV Storage FV Resource\r | |
342 | {\r | |
343 | EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType\r | |
344 | sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength\r | |
345 | 0 // Reserved\r | |
346 | },\r | |
347 | {\r | |
348 | 0 // Owner Guid\r | |
349 | },\r | |
350 | EFI_RESOURCE_FIRMWARE_DEVICE, // ResourceType\r | |
351 | (EFI_RESOURCE_ATTRIBUTE_PRESENT |\r | |
352 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r | |
353 | EFI_RESOURCE_ATTRIBUTE_TESTED |\r | |
354 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE), // ResourceAttribute\r | |
355 | 0, // PhysicalStart (Fixed later)\r | |
356 | NV_STORAGE_FVB_SIZE // ResourceLength\r | |
357 | },\r | |
358 | { // FVB holding NV Storage\r | |
359 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
360 | sizeof (FVB_HOB),\r | |
361 | 0,\r | |
362 | EFI_FLASH_MAP_HOB_GUID,\r | |
363 | {\r | |
364 | 0, 0, 0, // Reserved[3]\r | |
365 | EFI_FLASH_AREA_GUID_DEFINED, // AreaType\r | |
366 | EFI_SYSTEM_NV_DATA_HOB_GUID, // AreaTypeGuid\r | |
367 | 1,\r | |
368 | {\r | |
369 | EFI_FLASH_AREA_FV | EFI_FLASH_AREA_MEMMAPPED_FV, // SubAreaData.Attributes\r | |
370 | 0, // SubAreaData.Reserved\r | |
371 | 0, // SubAreaData.Base (Fixed later)\r | |
372 | NV_STORAGE_FVB_SIZE, // SubAreaData.Length\r | |
373 | EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL_GUID // SubAreaData.FileSystem\r | |
374 | }, \r | |
375 | 0, // VolumeSignature (Fixed later)\r | |
376 | NV_STORAGE_FILE_PATH, // Mapped file without padding\r | |
377 | // TotalFVBSize = FileSize + PaddingSize = multiple of BLOCK_SIZE\r | |
378 | NV_STORAGE_SIZE + EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH,\r | |
379 | // ActuralSize\r | |
380 | EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH\r | |
381 | }\r | |
382 | },\r | |
383 | { // NV Storage Hob\r | |
384 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
385 | sizeof (FVB_HOB), // Hob size\r | |
386 | 0, // reserved\r | |
387 | EFI_FLASH_MAP_HOB_GUID,\r | |
388 | {\r | |
389 | 0, 0, 0, // Reserved[3]\r | |
390 | EFI_FLASH_AREA_EFI_VARIABLES, // AreaType\r | |
391 | { 0 }, // AreaTypeGuid\r | |
392 | 1,\r | |
393 | {\r | |
394 | EFI_FLASH_AREA_SUBFV | EFI_FLASH_AREA_MEMMAPPED_FV, // SubAreaData.Attributes\r | |
395 | 0, // SubAreaData.Reserved\r | |
396 | 0, // SubAreaData.Base (Fixed later)\r | |
397 | NV_STORAGE_SIZE, // SubAreaData.Length\r | |
398 | EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL_GUID // SubAreaData.FileSystem\r | |
399 | }, \r | |
400 | 0,\r | |
401 | NV_STORAGE_FILE_PATH,\r | |
402 | NV_STORAGE_SIZE,\r | |
403 | 0\r | |
404 | }\r | |
405 | },\r | |
406 | { // FVB holding FTW spaces including Working & Spare space\r | |
407 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
408 | sizeof (FVB_HOB),\r | |
409 | 0,\r | |
410 | EFI_FLASH_MAP_HOB_GUID,\r | |
411 | {\r | |
412 | 0, 0, 0, // Reserved[3]\r | |
413 | EFI_FLASH_AREA_GUID_DEFINED, // AreaType\r | |
414 | EFI_SYSTEM_NV_DATA_HOB_GUID, // AreaTypeGuid\r | |
415 | 1,\r | |
416 | {\r | |
417 | EFI_FLASH_AREA_FV | EFI_FLASH_AREA_MEMMAPPED_FV, // SubAreaData.Attributes\r | |
418 | 0, // SubAreaData.Reserved\r | |
419 | 0, // SubAreaData.Base (Fixed later)\r | |
420 | NV_FTW_FVB_SIZE, // SubAreaData.Length\r | |
421 | EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL_GUID // SubAreaData.FileSystem\r | |
422 | }, \r | |
423 | 0,\r | |
424 | L"", // Empty String indicates using memory\r | |
425 | 0,\r | |
426 | 0\r | |
427 | }\r | |
428 | },\r | |
429 | { // NV Ftw working Hob\r | |
430 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
431 | sizeof (FVB_HOB), // Hob size\r | |
432 | 0, // reserved\r | |
433 | EFI_FLASH_MAP_HOB_GUID,\r | |
434 | {\r | |
435 | 0, 0, 0, // Reserved[3]\r | |
436 | EFI_FLASH_AREA_FTW_STATE, // AreaType\r | |
437 | { 0 }, // AreaTypeGuid\r | |
438 | 1,\r | |
439 | {\r | |
440 | EFI_FLASH_AREA_SUBFV | EFI_FLASH_AREA_MEMMAPPED_FV, // SubAreaData.Attributes\r | |
441 | 0, // SubAreaData.Reserved\r | |
442 | 0, // SubAreaData.Base (Fixed later)\r | |
443 | NV_FTW_WORKING_SIZE, // SubAreaData.Length\r | |
444 | EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL_GUID // SubAreaData.FileSystem\r | |
445 | }, \r | |
446 | 0, // VolumeSignature\r | |
447 | L"",\r | |
448 | 0,\r | |
449 | 0\r | |
450 | }\r | |
451 | },\r | |
452 | { // NV Ftw spare Hob\r | |
453 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
454 | sizeof (FVB_HOB), // Hob size\r | |
455 | 0, // reserved\r | |
456 | EFI_FLASH_MAP_HOB_GUID,\r | |
457 | {\r | |
458 | 0, 0, 0, // Reserved[3]\r | |
459 | EFI_FLASH_AREA_FTW_BACKUP, // AreaType\r | |
460 | { 0 }, // AreaTypeGuid\r | |
461 | 1,\r | |
462 | {\r | |
463 | EFI_FLASH_AREA_SUBFV | EFI_FLASH_AREA_MEMMAPPED_FV, // SubAreaData.Attributes\r | |
464 | 0, // SubAreaData.Reserved\r | |
465 | 0, // SubAreaData.Base (Fixed later)\r | |
466 | NV_FTW_SPARE_SIZE, // SubAreaData.Length\r | |
467 | EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL_GUID // SubAreaData.FileSystem\r | |
468 | }, \r | |
469 | 0,\r | |
470 | L"",\r | |
471 | 0,\r | |
472 | 0\r | |
473 | }\r | |
474 | },\r | |
475 | { // EndOfHobList\r | |
476 | EFI_HOB_TYPE_END_OF_HOB_LIST, // HobType\r | |
477 | sizeof (EFI_HOB_GENERIC_HEADER), // HobLength\r | |
478 | 0 // Reserved\r | |
479 | }\r | |
480 | };\r | |
481 | \r | |
482 | HOB_TEMPLATE *gHob = &gHobTemplate;\r | |
483 | \r | |
484 | VOID *\r | |
485 | PrepareHobMemory (\r | |
486 | IN UINTN NumberOfMemoryMapEntries,\r | |
487 | IN EFI_MEMORY_DESCRIPTOR *EfiMemoryDescriptor\r | |
488 | )\r | |
489 | /*++\r | |
490 | Description:\r | |
491 | Update the Hob filling MemoryFreeUnder1MB, MemoryAbove1MB, MemoryAbove4GB\r | |
492 | \r | |
493 | Arguments:\r | |
494 | NumberOfMemoryMapEntries - Count of Memory Descriptors\r | |
495 | EfiMemoryDescriptor - Point to the buffer containing NumberOfMemoryMapEntries Memory Descriptors\r | |
496 | \r | |
497 | Return:\r | |
498 | VOID * : The end address of MemoryAbove1MB (or the top free memory under 4GB)\r | |
499 | --*/\r | |
500 | {\r | |
501 | UINTN Index;\r | |
502 | \r | |
503 | //\r | |
504 | // Prepare Low Memory\r | |
505 | // 0x18 pages is 72 KB.\r | |
506 | //\r | |
507 | gHob->MemoryFreeUnder1MB.ResourceLength = EFI_MEMORY_BELOW_1MB_END - EFI_MEMORY_BELOW_1MB_START;\r | |
508 | gHob->MemoryFreeUnder1MB.PhysicalStart = EFI_MEMORY_BELOW_1MB_START;\r | |
509 | \r | |
510 | //\r | |
511 | // Prepare High Memory\r | |
512 | // Assume Memory Map is ordered from low to high\r | |
513 | //\r | |
514 | gHob->MemoryAbove1MB.PhysicalStart = 0;\r | |
515 | gHob->MemoryAbove1MB.ResourceLength = 0;\r | |
516 | gHob->MemoryAbove4GB.PhysicalStart = 0;\r | |
517 | gHob->MemoryAbove4GB.ResourceLength = 0;\r | |
518 | \r | |
519 | for (Index = 0; Index < NumberOfMemoryMapEntries; Index++) {\r | |
520 | //\r | |
521 | // Skip regions below 1MB\r | |
522 | //\r | |
523 | if (EfiMemoryDescriptor[Index].PhysicalStart < 0x100000) {\r | |
524 | continue;\r | |
525 | }\r | |
526 | //\r | |
527 | // Process regions above 1MB\r | |
528 | //\r | |
529 | if (EfiMemoryDescriptor[Index].PhysicalStart >= 0x100000) {\r | |
530 | if (EfiMemoryDescriptor[Index].Type == EfiConventionalMemory) {\r | |
531 | if (gHob->MemoryAbove1MB.PhysicalStart == 0) {\r | |
532 | gHob->MemoryAbove1MB.PhysicalStart = EfiMemoryDescriptor[Index].PhysicalStart;\r | |
533 | gHob->MemoryAbove1MB.ResourceLength = LShiftU64 (EfiMemoryDescriptor[Index].NumberOfPages, EFI_PAGE_SHIFT);\r | |
534 | } else if (gHob->MemoryAbove1MB.PhysicalStart + gHob->MemoryAbove1MB.ResourceLength == EfiMemoryDescriptor[Index].PhysicalStart) {\r | |
535 | gHob->MemoryAbove1MB.ResourceLength += LShiftU64 (EfiMemoryDescriptor[Index].NumberOfPages, EFI_PAGE_SHIFT);\r | |
536 | }\r | |
537 | }\r | |
538 | if ((EfiMemoryDescriptor[Index].Type == EfiReservedMemoryType) ||\r | |
539 | (EfiMemoryDescriptor[Index].Type >= EfiACPIReclaimMemory) ) {\r | |
540 | continue;\r | |
541 | }\r | |
542 | if ((EfiMemoryDescriptor[Index].Type == EfiRuntimeServicesCode) ||\r | |
543 | (EfiMemoryDescriptor[Index].Type == EfiRuntimeServicesData)) {\r | |
544 | break;\r | |
545 | }\r | |
546 | }\r | |
547 | //\r | |
548 | // Process region above 4GB\r | |
549 | //\r | |
550 | if (EfiMemoryDescriptor[Index].PhysicalStart >= 0x100000000) {\r | |
551 | if (EfiMemoryDescriptor[Index].Type == EfiConventionalMemory) {\r | |
552 | if (gHob->MemoryAbove4GB.PhysicalStart == 0) {\r | |
553 | gHob->MemoryAbove4GB.PhysicalStart = EfiMemoryDescriptor[Index].PhysicalStart;\r | |
554 | gHob->MemoryAbove4GB.ResourceLength = LShiftU64 (EfiMemoryDescriptor[Index].NumberOfPages, EFI_PAGE_SHIFT);\r | |
555 | }\r | |
556 | if (gHob->MemoryAbove4GB.PhysicalStart + gHob->MemoryAbove4GB.ResourceLength == \r | |
557 | EfiMemoryDescriptor[Index].PhysicalStart) {\r | |
558 | gHob->MemoryAbove4GB.ResourceLength += LShiftU64 (EfiMemoryDescriptor[Index].NumberOfPages, EFI_PAGE_SHIFT);\r | |
559 | }\r | |
560 | }\r | |
561 | }\r | |
562 | }\r | |
563 | \r | |
564 | if (gHob->MemoryAbove4GB.ResourceLength == 0) {\r | |
565 | //\r | |
566 | // If there is no memory above 4GB then change the resource descriptor HOB\r | |
567 | // into another type. I'm doing this as it's unclear if a resource\r | |
568 | // descriptor HOB of length zero is valid. Spec does not say it's illegal,\r | |
569 | // but code in EDK does not seem to handle this case.\r | |
570 | //\r | |
571 | gHob->MemoryAbove4GB.Header.HobType = EFI_HOB_TYPE_UNUSED;\r | |
572 | }\r | |
573 | \r | |
574 | return (VOID *)(UINTN)(gHob->MemoryAbove1MB.PhysicalStart + gHob->MemoryAbove1MB.ResourceLength);\r | |
575 | }\r | |
576 | \r | |
577 | VOID *\r | |
578 | PrepareHobStack (\r | |
579 | IN VOID *StackTop\r | |
580 | )\r | |
581 | {\r | |
582 | gHob->Stack.AllocDescriptor.MemoryLength = EFI_MEMORY_STACK_PAGE_NUM * EFI_PAGE_SIZE;\r | |
583 | gHob->Stack.AllocDescriptor.MemoryBaseAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)StackTop - gHob->Stack.AllocDescriptor.MemoryLength;\r | |
584 | \r | |
585 | return (VOID *)(UINTN)gHob->Stack.AllocDescriptor.MemoryBaseAddress;\r | |
586 | }\r | |
587 | \r | |
588 | VOID *\r | |
589 | PrepareHobMemoryDescriptor (\r | |
590 | VOID *MemoryDescriptorTop,\r | |
591 | UINTN MemDescCount,\r | |
592 | EFI_MEMORY_DESCRIPTOR *MemDesc\r | |
593 | )\r | |
594 | {\r | |
595 | gHob->MemoryDescriptor.MemDescCount = MemDescCount;\r | |
596 | gHob->MemoryDescriptor.MemDesc = (EFI_MEMORY_DESCRIPTOR *)((UINTN)MemoryDescriptorTop - MemDescCount * sizeof(EFI_MEMORY_DESCRIPTOR));\r | |
597 | //\r | |
598 | // Make MemoryDescriptor.MemDesc page aligned\r | |
599 | //\r | |
600 | gHob->MemoryDescriptor.MemDesc = (EFI_MEMORY_DESCRIPTOR *)((UINTN) gHob->MemoryDescriptor.MemDesc & ~EFI_PAGE_MASK);\r | |
601 | \r | |
602 | CopyMem (gHob->MemoryDescriptor.MemDesc, MemDesc, MemDescCount * sizeof(EFI_MEMORY_DESCRIPTOR));\r | |
603 | \r | |
604 | return gHob->MemoryDescriptor.MemDesc;\r | |
605 | }\r | |
606 | \r | |
607 | VOID\r | |
608 | PrepareHobBfv (\r | |
609 | VOID *Bfv,\r | |
610 | UINTN BfvLength\r | |
611 | )\r | |
612 | {\r | |
613 | UINTN BfvLengthPageSize;\r | |
614 | \r | |
615 | //\r | |
616 | // Calculate BFV location at top of the memory region.\r | |
617 | // This is like a RAM Disk. Align to page boundry.\r | |
618 | //\r | |
619 | BfvLengthPageSize = EFI_PAGES_TO_SIZE (EFI_SIZE_TO_PAGES (BfvLength));\r | |
620 | \r | |
621 | gHob->Bfv.BaseAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)Bfv;\r | |
622 | gHob->Bfv.Length = BfvLength;\r | |
623 | \r | |
624 | //\r | |
625 | // Resource descriptor for the FV\r | |
626 | //\r | |
627 | gHob->BfvResource.PhysicalStart = gHob->Bfv.BaseAddress;\r | |
628 | gHob->BfvResource.ResourceLength = gHob->Bfv.Length;\r | |
629 | }\r | |
630 | \r | |
631 | VOID\r | |
632 | PrepareHobDxeCore (\r | |
633 | VOID *DxeCoreEntryPoint,\r | |
634 | EFI_PHYSICAL_ADDRESS DxeCoreImageBase,\r | |
635 | UINT64 DxeCoreLength\r | |
636 | )\r | |
637 | {\r | |
638 | gHob->DxeCore.MemoryAllocationHeader.MemoryBaseAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)DxeCoreImageBase;\r | |
639 | gHob->DxeCore.MemoryAllocationHeader.MemoryLength = DxeCoreLength;\r | |
640 | gHob->DxeCore.EntryPoint = (EFI_PHYSICAL_ADDRESS)(UINTN)DxeCoreEntryPoint;\r | |
641 | }\r | |
642 | \r | |
643 | VOID *\r | |
644 | PrepareHobNvStorage (\r | |
645 | VOID *NvStorageTop\r | |
646 | )\r | |
647 | /*\r | |
648 | Initialize Block-Aligned Firmware Block.\r | |
649 | \r | |
650 | Variable:\r | |
651 | +-------------------+\r | |
652 | | FV_Header |\r | |
653 | +-------------------+\r | |
654 | | |\r | |
655 | |VAR_STORAGE(0x4000)|\r | |
656 | | |\r | |
657 | +-------------------+\r | |
658 | FTW:\r | |
659 | +-------------------+\r | |
660 | | FV_Header |\r | |
661 | +-------------------+\r | |
662 | | |\r | |
663 | | Working(0x2000) |\r | |
664 | | |\r | |
665 | +-------------------+\r | |
666 | | |\r | |
667 | | Spare(0x10000) |\r | |
668 | | |\r | |
669 | +-------------------+\r | |
670 | */\r | |
671 | {\r | |
672 | static VARIABLE_STORE_HEADER VarStoreHeader = {\r | |
673 | VARIABLE_STORE_SIGNATURE,\r | |
674 | 0xffffffff, // will be fixed in Variable driver\r | |
675 | VARIABLE_STORE_FORMATTED,\r | |
676 | VARIABLE_STORE_HEALTHY,\r | |
677 | 0,\r | |
678 | 0\r | |
679 | };\r | |
680 | \r | |
681 | static EFI_FIRMWARE_VOLUME_HEADER NvStorageFvbHeader = {\r | |
682 | {\r | |
683 | 0,\r | |
684 | }, // ZeroVector[16]\r | |
685 | EFI_SYSTEM_NV_DATA_FV_GUID,\r | |
686 | NV_STORAGE_FVB_SIZE,\r | |
687 | EFI_FVH_SIGNATURE,\r | |
688 | EFI_FVB_READ_ENABLED_CAP |\r | |
689 | EFI_FVB_READ_STATUS |\r | |
690 | EFI_FVB_WRITE_ENABLED_CAP |\r | |
691 | EFI_FVB_WRITE_STATUS |\r | |
692 | EFI_FVB_ERASE_POLARITY,\r | |
693 | EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH,\r | |
694 | 0, // CheckSum\r | |
695 | 0, // ExtHeaderOffset\r | |
696 | {\r | |
697 | 0,\r | |
698 | }, // Reserved[1]\r | |
699 | 1, // Revision\r | |
700 | {\r | |
701 | {\r | |
702 | NV_STORAGE_FVB_BLOCK_NUM,\r | |
703 | FV_BLOCK_SIZE,\r | |
704 | }\r | |
705 | }\r | |
706 | };\r | |
707 | \r | |
708 | static EFI_FV_BLOCK_MAP_ENTRY BlockMapEntryEnd = {0, 0};\r | |
709 | \r | |
710 | EFI_PHYSICAL_ADDRESS StorageFvbBase;\r | |
711 | EFI_PHYSICAL_ADDRESS FtwFvbBase;\r | |
712 | \r | |
713 | UINT16 *Ptr;\r | |
714 | UINT16 Checksum;\r | |
715 | \r | |
716 | \r | |
717 | //\r | |
718 | // Use first 16-byte Reset Vector of FVB to store extra information\r | |
719 | // UINT32 Offset 0 stores the volume signature\r | |
720 | // UINT8 Offset 4 : should init the Variable Store Header if non-zero\r | |
721 | //\r | |
722 | gHob->NvStorageFvb.FvbInfo.VolumeId = *(UINT32 *) (UINTN) (NV_STORAGE_STATE);\r | |
723 | gHob->NvStorage. FvbInfo.VolumeId = *(UINT32 *) (UINTN) (NV_STORAGE_STATE);\r | |
724 | \r | |
725 | //\r | |
726 | // *(NV_STORAGE_STATE + 4):\r | |
727 | // 2 - Size error\r | |
728 | // 1 - File not exist\r | |
729 | // 0 - File exist with correct size\r | |
730 | //\r | |
731 | if (*(UINT8 *) (UINTN) (NV_STORAGE_STATE + 4) == 2) {\r | |
732 | ClearScreen ();\r | |
733 | PrintString ("Error: Size of Efivar.bin should be 16k!\n");\r | |
734 | CpuDeadLoop();\r | |
735 | }\r | |
736 | \r | |
737 | if (*(UINT8 *) (UINTN) (NV_STORAGE_STATE + 4) != 0) {\r | |
738 | //\r | |
739 | // Efivar.bin doesn't exist\r | |
740 | // 1. Init variable storage header to valid header\r | |
741 | //\r | |
742 | CopyMem (\r | |
743 | (VOID *) (UINTN) NV_STORAGE_START,\r | |
744 | &VarStoreHeader,\r | |
745 | sizeof (VARIABLE_STORE_HEADER)\r | |
746 | );\r | |
747 | //\r | |
748 | // 2. set all bits in variable storage body to 1\r | |
749 | //\r | |
750 | SetMem (\r | |
751 | (VOID *) (UINTN) (NV_STORAGE_START + sizeof (VARIABLE_STORE_HEADER)),\r | |
752 | NV_STORAGE_SIZE - sizeof (VARIABLE_STORE_HEADER),\r | |
753 | 0xff\r | |
754 | );\r | |
755 | }\r | |
756 | \r | |
757 | //\r | |
758 | // Relocate variable storage\r | |
759 | // \r | |
760 | // 1. Init FVB Header to valid header: First 0x48 bytes\r | |
761 | // In real platform, these fields are fixed by tools\r | |
762 | //\r | |
763 | //\r | |
764 | Checksum = 0;\r | |
765 | for (\r | |
766 | Ptr = (UINT16 *) &NvStorageFvbHeader; \r | |
767 | Ptr < (UINT16 *) ((UINTN) (UINT8 *) &NvStorageFvbHeader + sizeof (EFI_FIRMWARE_VOLUME_HEADER));\r | |
768 | ++Ptr\r | |
769 | ) {\r | |
770 | Checksum = (UINT16) (Checksum + (*Ptr));\r | |
771 | }\r | |
772 | NvStorageFvbHeader.Checksum = (UINT16) (0x10000 - Checksum);\r | |
773 | StorageFvbBase = (EFI_PHYSICAL_ADDRESS)(((UINTN)NvStorageTop - NV_STORAGE_FVB_SIZE - NV_FTW_FVB_SIZE) & ~EFI_PAGE_MASK);\r | |
774 | CopyMem ((VOID *) (UINTN) StorageFvbBase, &NvStorageFvbHeader, sizeof (EFI_FIRMWARE_VOLUME_HEADER));\r | |
775 | CopyMem (\r | |
776 | (VOID *) (UINTN) (StorageFvbBase + sizeof (EFI_FIRMWARE_VOLUME_HEADER)),\r | |
777 | &BlockMapEntryEnd,\r | |
778 | sizeof (EFI_FV_BLOCK_MAP_ENTRY)\r | |
779 | );\r | |
780 | \r | |
781 | //\r | |
782 | // 2. Relocate variable data\r | |
783 | //\r | |
784 | CopyMem (\r | |
785 | (VOID *) (UINTN) (StorageFvbBase + EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH),\r | |
786 | (VOID *) (UINTN) NV_STORAGE_START,\r | |
787 | NV_STORAGE_SIZE\r | |
788 | );\r | |
789 | \r | |
790 | //\r | |
791 | // 3. Set the remaining memory to 0xff\r | |
792 | //\r | |
793 | SetMem (\r | |
794 | (VOID *) (UINTN) (StorageFvbBase + EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH + NV_STORAGE_SIZE),\r | |
795 | NV_STORAGE_FVB_SIZE - NV_STORAGE_SIZE - EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH,\r | |
796 | 0xff\r | |
797 | );\r | |
798 | \r | |
799 | //\r | |
800 | // Create the FVB holding NV Storage in memory\r | |
801 | //\r | |
802 | gHob->NvStorageFvResource.PhysicalStart =\r | |
803 | gHob->NvStorageFvb.FvbInfo.Entries[0].Base = StorageFvbBase;\r | |
804 | //\r | |
805 | // Create the NV Storage Hob\r | |
806 | //\r | |
807 | gHob->NvStorage.FvbInfo.Entries[0].Base = StorageFvbBase + EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH;\r | |
808 | \r | |
809 | //\r | |
810 | // Create the FVB holding FTW spaces\r | |
811 | //\r | |
812 | FtwFvbBase = (EFI_PHYSICAL_ADDRESS)((UINTN) StorageFvbBase + NV_STORAGE_FVB_SIZE);\r | |
813 | gHob->NvFtwFvb.FvbInfo.Entries[0].Base = FtwFvbBase;\r | |
814 | //\r | |
815 | // Put FTW Working in front\r | |
816 | //\r | |
817 | gHob->NvFtwWorking.FvbInfo.Entries[0].Base = FtwFvbBase + EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH;\r | |
818 | \r | |
819 | //\r | |
820 | // Put FTW Spare area after FTW Working area\r | |
821 | //\r | |
822 | gHob->NvFtwSpare.FvbInfo.Entries[0].Base = \r | |
823 | (EFI_PHYSICAL_ADDRESS)((UINTN) FtwFvbBase + EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH + NV_FTW_WORKING_SIZE);\r | |
824 | \r | |
825 | return (VOID *)(UINTN)StorageFvbBase;\r | |
826 | }\r | |
827 | \r | |
828 | VOID\r | |
829 | PrepareHobPhit (\r | |
830 | VOID *MemoryTop,\r | |
831 | VOID *FreeMemoryTop\r | |
832 | )\r | |
833 | {\r | |
834 | gHob->Phit.EfiMemoryTop = (EFI_PHYSICAL_ADDRESS)(UINTN)MemoryTop;\r | |
835 | gHob->Phit.EfiMemoryBottom = gHob->Phit.EfiMemoryTop - CONSUMED_MEMORY;\r | |
836 | gHob->Phit.EfiFreeMemoryTop = (EFI_PHYSICAL_ADDRESS)(UINTN)FreeMemoryTop;\r | |
837 | gHob->Phit.EfiFreeMemoryBottom = gHob->Phit.EfiMemoryBottom + sizeof(HOB_TEMPLATE);\r | |
838 | \r | |
839 | CopyMem ((VOID *)(UINTN)gHob->Phit.EfiMemoryBottom, gHob, sizeof(HOB_TEMPLATE));\r | |
840 | gHob = (HOB_TEMPLATE *)(UINTN)gHob->Phit.EfiMemoryBottom;\r | |
841 | \r | |
842 | gHob->Phit.EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS)(UINTN)&gHob->EndOfHobList;\r | |
843 | }\r | |
844 | \r | |
845 | VOID\r | |
846 | PrepareHobCpu (\r | |
847 | VOID\r | |
848 | )\r | |
849 | {\r | |
850 | EFI_CPUID_REGISTER Reg;\r | |
851 | UINT8 CpuMemoryAddrBitNumber;\r | |
852 | \r | |
853 | //\r | |
854 | // Create a CPU hand-off information\r | |
855 | //\r | |
856 | CpuMemoryAddrBitNumber = 36;\r | |
857 | AsmCpuid (EFI_CPUID_EXTENDED_FUNCTION, &Reg.RegEax, &Reg.RegEbx, &Reg.RegEcx, &Reg.RegEdx);\r | |
858 | \r | |
859 | if (Reg.RegEax >= CPUID_EXTENDED_ADD_SIZE) {\r | |
860 | AsmCpuid (CPUID_EXTENDED_ADD_SIZE, &Reg.RegEax, &Reg.RegEbx, &Reg.RegEcx, &Reg.RegEdx);\r | |
861 | CpuMemoryAddrBitNumber = (UINT8)(UINTN)(Reg.RegEax & 0xFF);\r | |
862 | }\r | |
863 | \r | |
864 | gHob->Cpu.SizeOfMemorySpace = CpuMemoryAddrBitNumber;\r | |
865 | }\r | |
866 | \r | |
867 | VOID\r | |
868 | CompleteHobGeneration (\r | |
869 | VOID\r | |
870 | )\r | |
871 | {\r | |
872 | gHob->MemoryAllocation.AllocDescriptor.MemoryBaseAddress = gHob->Phit.EfiFreeMemoryTop;\r | |
873 | //\r | |
874 | // Reserve all the memory under Stack above FreeMemoryTop as allocated\r | |
875 | //\r | |
876 | gHob->MemoryAllocation.AllocDescriptor.MemoryLength = gHob->Stack.AllocDescriptor.MemoryBaseAddress - gHob->Phit.EfiFreeMemoryTop;\r | |
877 | \r | |
878 | //\r | |
879 | // adjust Above1MB ResourceLength\r | |
880 | //\r | |
881 | if (gHob->MemoryAbove1MB.PhysicalStart + gHob->MemoryAbove1MB.ResourceLength > gHob->Phit.EfiMemoryTop) {\r | |
882 | gHob->MemoryAbove1MB.ResourceLength = gHob->Phit.EfiMemoryTop - gHob->MemoryAbove1MB.PhysicalStart;\r | |
883 | }\r | |
884 | }\r | |
885 | \r |