18b84857 |
1 | /** @file\r |
ca162103 |
2 | \r |
4a1db20f |
3 | Copyright (c) 2006 - 2010, Intel Corporation \r |
ca162103 |
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 |
18b84857 |
19 | **/\r |
ca162103 |
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 |
9008db4a |
27 | { 0xb1644c1a, 0xc16a, 0x4c5b, {0x88, 0xde, 0xea, 0xfb, 0xa9, 0x7e, 0x74, 0xd8 }}\r |
ca162103 |
28 | \r |
4a1db20f |
29 | #define EFI_CPUID_EXTENDED_FUNCTION 0x80000000\r |
30 | #define CPUID_EXTENDED_ADD_SIZE 0x80000008\r |
ca162103 |
31 | \r |
32 | HOB_TEMPLATE gHobTemplate = {\r |
33 | { // Phit\r |
34 | { // Header\r |
35 | EFI_HOB_TYPE_HANDOFF, // HobType\r |
36 | sizeof (EFI_HOB_HANDOFF_INFO_TABLE), // HobLength\r |
37 | 0 // Reserved\r |
38 | },\r |
39 | EFI_HOB_HANDOFF_TABLE_VERSION, // Version\r |
40 | BOOT_WITH_FULL_CONFIGURATION, // BootMode\r |
41 | 0, // EfiMemoryTop\r |
42 | 0, // EfiMemoryBottom\r |
43 | 0, // EfiFreeMemoryTop\r |
44 | 0, // EfiFreeMemoryBottom\r |
45 | 0 // EfiEndOfHobList\r |
46 | }, \r |
47 | { // Bfv\r |
48 | {\r |
49 | EFI_HOB_TYPE_FV, // HobType\r |
50 | sizeof (EFI_HOB_FIRMWARE_VOLUME), // HobLength\r |
51 | 0 // Reserved\r |
52 | },\r |
53 | 0, // BaseAddress\r |
54 | 0 // Length\r |
55 | },\r |
56 | { // BfvResource\r |
57 | {\r |
58 | EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType\r |
59 | sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength\r |
60 | 0 // Reserved\r |
61 | },\r |
62 | {\r |
63 | 0 // Owner Guid\r |
64 | },\r |
65 | EFI_RESOURCE_FIRMWARE_DEVICE, // ResourceType\r |
66 | (EFI_RESOURCE_ATTRIBUTE_PRESENT |\r |
67 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r |
68 | EFI_RESOURCE_ATTRIBUTE_TESTED |\r |
69 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE), // ResourceAttribute\r |
70 | 0, // PhysicalStart\r |
71 | 0 // ResourceLength\r |
72 | },\r |
73 | { // Cpu\r |
74 | { // Header\r |
75 | EFI_HOB_TYPE_CPU, // HobType\r |
76 | sizeof (EFI_HOB_CPU), // HobLength\r |
77 | 0 // Reserved\r |
78 | },\r |
79 | 52, // SizeOfMemorySpace - Architecture Max\r |
80 | 16, // SizeOfIoSpace,\r |
81 | {\r |
82 | 0, 0, 0, 0, 0, 0 // Reserved[6]\r |
83 | }\r |
84 | },\r |
85 | { // Stack HOB\r |
86 | { // header\r |
87 | EFI_HOB_TYPE_MEMORY_ALLOCATION, // Hob type\r |
88 | sizeof (EFI_HOB_MEMORY_ALLOCATION_STACK), // Hob size\r |
89 | 0 // reserved\r |
90 | },\r |
91 | {\r |
92 | EFI_HOB_MEMORY_ALLOC_STACK_GUID,\r |
93 | 0x0, // EFI_PHYSICAL_ADDRESS MemoryBaseAddress;\r |
94 | 0x0, // UINT64 MemoryLength;\r |
95 | EfiBootServicesData, // EFI_MEMORY_TYPE MemoryType; \r |
9008db4a |
96 | {0, 0, 0, 0} // Reserved Reserved[4]; \r |
ca162103 |
97 | }\r |
98 | },\r |
99 | { // MemoryAllocation for HOB's & Images\r |
100 | {\r |
101 | EFI_HOB_TYPE_MEMORY_ALLOCATION, // HobType\r |
102 | sizeof (EFI_HOB_MEMORY_ALLOCATION), // HobLength\r |
103 | 0 // Reserved\r |
104 | },\r |
105 | {\r |
106 | {\r |
107 | 0, //EFI_HOB_MEMORY_ALLOC_MODULE_GUID // Name\r |
108 | },\r |
109 | 0x0, // EFI_PHYSICAL_ADDRESS MemoryBaseAddress;\r |
110 | 0x0, // UINT64 MemoryLength;\r |
111 | EfiBootServicesData, // EFI_MEMORY_TYPE MemoryType; \r |
112 | {\r |
113 | 0, 0, 0, 0 // Reserved Reserved[4]; \r |
114 | }\r |
115 | }\r |
116 | },\r |
117 | { // MemoryFreeUnder1MB for unused memory that DXE core will claim\r |
118 | {\r |
119 | EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType\r |
120 | sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength\r |
121 | 0 // Reserved\r |
122 | },\r |
123 | {\r |
124 | 0 // Owner Guid\r |
125 | },\r |
126 | EFI_RESOURCE_SYSTEM_MEMORY, // ResourceType\r |
127 | (EFI_RESOURCE_ATTRIBUTE_PRESENT |\r |
128 | EFI_RESOURCE_ATTRIBUTE_TESTED |\r |
129 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r |
130 | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE | \r |
131 | EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE | \r |
132 | EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE | \r |
133 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE), \r |
134 | 0x0, // PhysicalStart\r |
135 | 0 // ResourceLength\r |
136 | },\r |
137 | { // MemoryFreeAbove1MB for unused memory that DXE core will claim\r |
138 | {\r |
139 | EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType\r |
140 | sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength\r |
141 | 0 // Reserved\r |
142 | },\r |
143 | {\r |
144 | 0 // Owner Guid\r |
145 | },\r |
146 | EFI_RESOURCE_SYSTEM_MEMORY, // ResourceType\r |
147 | (EFI_RESOURCE_ATTRIBUTE_PRESENT |\r |
148 | EFI_RESOURCE_ATTRIBUTE_TESTED |\r |
149 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r |
150 | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE | \r |
151 | EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE | \r |
152 | EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE | \r |
153 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE), \r |
154 | 0x0, // PhysicalStart\r |
155 | 0 // ResourceLength\r |
156 | },\r |
157 | { // MemoryFreeAbove4GB for unused memory that DXE core will claim\r |
158 | {\r |
159 | EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType\r |
160 | sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength\r |
161 | 0 // Reserved\r |
162 | },\r |
163 | {\r |
164 | 0 // Owner Guid\r |
165 | },\r |
166 | EFI_RESOURCE_SYSTEM_MEMORY, // ResourceType\r |
167 | (EFI_RESOURCE_ATTRIBUTE_PRESENT |\r |
168 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r |
169 | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE | \r |
170 | EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE | \r |
171 | EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE | \r |
172 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE), \r |
173 | 0x0, // PhysicalStart\r |
174 | 0 // ResourceLength\r |
175 | },\r |
176 | { // Memory Allocation Module for DxeCore\r |
177 | { // header\r |
178 | EFI_HOB_TYPE_MEMORY_ALLOCATION, // Hob type\r |
179 | sizeof (EFI_HOB_MEMORY_ALLOCATION_MODULE), // Hob size\r |
180 | 0 // reserved\r |
181 | },\r |
182 | {\r |
183 | EFI_HOB_MEMORY_ALLOC_MODULE_GUID,\r |
184 | 0x0, // EFI_PHYSICAL_ADDRESS MemoryBaseAddress;\r |
185 | 0x0, // UINT64 MemoryLength;\r |
186 | EfiBootServicesCode, // EFI_MEMORY_TYPE MemoryType; \r |
187 | {\r |
188 | 0, 0, 0, 0 // UINT8 Reserved[4]; \r |
189 | },\r |
190 | },\r |
191 | EFI_DXE_FILE_GUID,\r |
192 | 0x0 // EFI_PHYSICAL_ADDRESS of EntryPoint;\r |
193 | },\r |
d569cbb0 |
194 | { // MemoryDxeCore\r |
195 | {\r |
196 | EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType\r |
197 | sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength\r |
198 | 0 // Reserved\r |
199 | },\r |
200 | {\r |
201 | 0 // Owner Guid\r |
202 | },\r |
203 | EFI_RESOURCE_SYSTEM_MEMORY, // ResourceType\r |
204 | (EFI_RESOURCE_ATTRIBUTE_PRESENT |\r |
205 | // EFI_RESOURCE_ATTRIBUTE_TESTED | // Do not mark as TESTED, or DxeCore will find it and use it before check Allocation\r |
206 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r |
207 | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE | \r |
208 | EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE | \r |
209 | EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE | \r |
210 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE), \r |
211 | 0x0, // PhysicalStart\r |
212 | 0 // ResourceLength\r |
213 | },\r |
ca162103 |
214 | { // Memory Map Hints to reduce fragmentation in the memory map\r |
9008db4a |
215 | {\r |
216 | {\r |
217 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
218 | sizeof (MEMORY_TYPE_INFORMATION_HOB), // Hob size\r |
219 | 0, // reserved\r |
220 | },\r |
221 | EFI_MEMORY_TYPE_INFORMATION_GUID\r |
222 | },\r |
ca162103 |
223 | {\r |
224 | {\r |
225 | EfiACPIReclaimMemory,\r |
226 | 0x80\r |
227 | }, // 0x80 pages = 512k for ASL\r |
228 | {\r |
229 | EfiACPIMemoryNVS,\r |
230 | 0x100\r |
231 | }, // 0x100 pages = 1024k for S3, SMM, etc\r |
232 | {\r |
233 | EfiReservedMemoryType,\r |
234 | 0x04\r |
235 | }, // 16k for BIOS Reserved\r |
236 | {\r |
237 | EfiRuntimeServicesData,\r |
238 | 0x100\r |
239 | },\r |
240 | {\r |
241 | EfiRuntimeServicesCode,\r |
242 | 0x100\r |
243 | },\r |
244 | {\r |
245 | EfiBootServicesCode,\r |
246 | 0x200\r |
247 | },\r |
248 | {\r |
249 | EfiBootServicesData,\r |
250 | 0x200\r |
251 | },\r |
252 | {\r |
253 | EfiLoaderCode,\r |
254 | 0x100\r |
255 | },\r |
256 | {\r |
257 | EfiLoaderData,\r |
258 | 0x100\r |
259 | },\r |
260 | {\r |
261 | EfiMaxMemoryType,\r |
262 | 0\r |
263 | }\r |
264 | }\r |
265 | },\r |
266 | { // Pointer to ACPI Table\r |
9008db4a |
267 | {\r |
268 | {\r |
269 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
270 | sizeof (TABLE_HOB), // Hob size\r |
271 | 0 // reserved\r |
272 | },\r |
273 | EFI_ACPI_TABLE_GUID\r |
274 | },\r |
ca162103 |
275 | 0\r |
276 | },\r |
277 | { // Pointer to ACPI20 Table\r |
9008db4a |
278 | {\r |
279 | { \r |
280 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
281 | sizeof (TABLE_HOB), // Hob size\r |
282 | 0 // reserved\r |
283 | },\r |
284 | EFI_ACPI_20_TABLE_GUID\r |
285 | },\r |
ca162103 |
286 | 0\r |
287 | },\r |
288 | { // Pointer to SMBIOS Table\r |
9008db4a |
289 | {\r |
290 | {\r |
291 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
292 | sizeof (TABLE_HOB), // Hob size\r |
293 | 0 // reserved\r |
294 | },\r |
7bc4989f |
295 | SMBIOS_TABLE_GUID\r |
9008db4a |
296 | },\r |
ca162103 |
297 | 0\r |
298 | },\r |
299 | { // Pointer to MPS Table\r |
9008db4a |
300 | {\r |
301 | {\r |
302 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
303 | sizeof (TABLE_HOB), // Hob size\r |
304 | 0, // reserved\r |
305 | },\r |
306 | EFI_MPS_TABLE_GUID\r |
307 | },\r |
ca162103 |
308 | 0\r |
309 | },\r |
310 | /**\r |
311 | { // Pointer to FlushInstructionCache\r |
312 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
313 | sizeof (PROTOCOL_HOB), // Hob size\r |
314 | 0, // reserved\r |
315 | EFI_PEI_FLUSH_INSTRUCTION_CACHE_GUID,\r |
316 | NULL\r |
317 | },\r |
318 | { // Pointer to TransferControl\r |
319 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
320 | sizeof (PROTOCOL_HOB), // Hob size\r |
321 | 0, // reserved\r |
322 | EFI_PEI_TRANSFER_CONTROL_GUID,\r |
323 | NULL\r |
324 | },\r |
325 | { // Pointer to PeCoffLoader\r |
326 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
327 | sizeof (PROTOCOL_HOB), // Hob size\r |
328 | 0, // reserved\r |
329 | EFI_PEI_PE_COFF_LOADER_GUID,\r |
330 | NULL\r |
331 | },\r |
332 | { // Pointer to EfiDecompress\r |
333 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
334 | sizeof (PROTOCOL_HOB), // Hob size\r |
335 | 0, // reserved\r |
336 | EFI_DECOMPRESS_PROTOCOL_GUID,\r |
337 | NULL\r |
338 | },\r |
339 | { // Pointer to TianoDecompress\r |
340 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
341 | sizeof (PROTOCOL_HOB), // Hob size\r |
342 | 0, // reserved\r |
343 | EFI_TIANO_DECOMPRESS_PROTOCOL_GUID,\r |
344 | NULL\r |
345 | },\r |
346 | **/\r |
347 | { // Pointer to ReportStatusCode\r |
9008db4a |
348 | {\r |
349 | {\r |
350 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
351 | sizeof (PROTOCOL_HOB), // Hob size\r |
352 | 0 // reserved\r |
353 | },\r |
354 | EFI_STATUS_CODE_RUNTIME_PROTOCOL_GUID\r |
355 | },\r |
ca162103 |
356 | NULL\r |
357 | },\r |
358 | { // EFILDR Memory Descriptor\r |
9008db4a |
359 | {\r |
360 | {\r |
361 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
362 | sizeof (MEMORY_DESC_HOB), // Hob size\r |
363 | 0 // reserved\r |
364 | },\r |
365 | EFI_LDR_MEMORY_DESCRIPTOR_GUID\r |
366 | },\r |
ca162103 |
367 | 0,\r |
368 | NULL\r |
369 | },\r |
370 | { // Pci Express Base Address Hob\r |
9008db4a |
371 | {\r |
372 | {\r |
373 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
374 | sizeof (PCI_EXPRESS_BASE_HOB), // Hob size\r |
375 | 0 // reserved\r |
376 | },\r |
377 | EFI_PCI_EXPRESS_BASE_ADDRESS_GUID\r |
378 | },\r |
ca162103 |
379 | {\r |
380 | 0,\r |
381 | 0,\r |
382 | 0,\r |
383 | }\r |
384 | },\r |
385 | { // Acpi Description Hob\r |
ca162103 |
386 | {\r |
9008db4a |
387 | {\r |
388 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
389 | sizeof (ACPI_DESCRIPTION_HOB), // Hob size\r |
390 | 0 // reserved\r |
391 | },\r |
392 | EFI_ACPI_DESCRIPTION_GUID\r |
393 | },\r |
394 | {\r |
395 | {\r |
396 | 0,\r |
397 | },\r |
ca162103 |
398 | }\r |
399 | },\r |
400 | { // NV Storage FV Resource\r |
401 | {\r |
402 | EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType\r |
403 | sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength\r |
404 | 0 // Reserved\r |
405 | },\r |
406 | {\r |
407 | 0 // Owner Guid\r |
408 | },\r |
409 | EFI_RESOURCE_FIRMWARE_DEVICE, // ResourceType\r |
410 | (EFI_RESOURCE_ATTRIBUTE_PRESENT |\r |
411 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r |
412 | EFI_RESOURCE_ATTRIBUTE_TESTED |\r |
413 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE), // ResourceAttribute\r |
414 | 0, // PhysicalStart (Fixed later)\r |
415 | NV_STORAGE_FVB_SIZE // ResourceLength\r |
416 | },\r |
417 | { // FVB holding NV Storage\r |
ca162103 |
418 | {\r |
9008db4a |
419 | {\r |
420 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
421 | sizeof (FVB_HOB),\r |
422 | 0\r |
423 | },\r |
424 | EFI_FLASH_MAP_HOB_GUID\r |
425 | },\r |
426 | {\r |
427 | {0, 0, 0}, // Reserved[3]\r |
ca162103 |
428 | EFI_FLASH_AREA_GUID_DEFINED, // AreaType\r |
204d0e01 |
429 | EFI_SYSTEM_NV_DATA_FV_GUID , // AreaTypeGuid\r |
ca162103 |
430 | 1,\r |
431 | {\r |
9008db4a |
432 | {\r |
433 | EFI_FLASH_AREA_FV | EFI_FLASH_AREA_MEMMAPPED_FV, // SubAreaData.Attributes\r |
434 | 0, // SubAreaData.Reserved\r |
435 | 0, // SubAreaData.Base (Fixed later)\r |
436 | NV_STORAGE_FVB_SIZE, // SubAreaData.Length\r |
437 | EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL_GUID // SubAreaData.FileSystem\r |
438 | }\r |
ca162103 |
439 | }, \r |
440 | 0, // VolumeSignature (Fixed later)\r |
441 | NV_STORAGE_FILE_PATH, // Mapped file without padding\r |
442 | // TotalFVBSize = FileSize + PaddingSize = multiple of BLOCK_SIZE\r |
443 | NV_STORAGE_SIZE + EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH,\r |
444 | // ActuralSize\r |
445 | EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH\r |
446 | }\r |
447 | },\r |
448 | { // NV Storage Hob\r |
ca162103 |
449 | {\r |
9008db4a |
450 | {\r |
451 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
452 | sizeof (FVB_HOB), // Hob size\r |
453 | 0 // reserved\r |
454 | },\r |
455 | EFI_FLASH_MAP_HOB_GUID\r |
456 | },\r |
457 | {\r |
458 | {0, 0, 0}, // Reserved[3]\r |
ca162103 |
459 | EFI_FLASH_AREA_EFI_VARIABLES, // AreaType\r |
460 | { 0 }, // AreaTypeGuid\r |
461 | 1,\r |
462 | {\r |
9008db4a |
463 | {\r |
464 | EFI_FLASH_AREA_SUBFV | EFI_FLASH_AREA_MEMMAPPED_FV, // SubAreaData.Attributes\r |
465 | 0, // SubAreaData.Reserved\r |
466 | 0, // SubAreaData.Base (Fixed later)\r |
467 | NV_STORAGE_SIZE, // SubAreaData.Length\r |
468 | EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL_GUID // SubAreaData.FileSystem\r |
469 | }\r |
ca162103 |
470 | }, \r |
471 | 0,\r |
472 | NV_STORAGE_FILE_PATH,\r |
473 | NV_STORAGE_SIZE,\r |
474 | 0\r |
475 | }\r |
476 | },\r |
d569cbb0 |
477 | { // NV Ftw FV Resource\r |
478 | {\r |
479 | EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType\r |
480 | sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength\r |
481 | 0 // Reserved\r |
482 | },\r |
483 | {\r |
484 | 0 // Owner Guid\r |
485 | },\r |
486 | EFI_RESOURCE_FIRMWARE_DEVICE, // ResourceType\r |
487 | (EFI_RESOURCE_ATTRIBUTE_PRESENT |\r |
488 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r |
489 | EFI_RESOURCE_ATTRIBUTE_TESTED |\r |
490 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE), // ResourceAttribute\r |
491 | 0, // PhysicalStart (Fixed later)\r |
492 | NV_FTW_FVB_SIZE // ResourceLength\r |
493 | }, \r |
ca162103 |
494 | { // FVB holding FTW spaces including Working & Spare space\r |
ca162103 |
495 | {\r |
9008db4a |
496 | {\r |
497 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
498 | sizeof (FVB_HOB),\r |
499 | 0\r |
500 | },\r |
501 | EFI_FLASH_MAP_HOB_GUID\r |
502 | },\r |
503 | {\r |
504 | {0, 0, 0}, // Reserved[3]\r |
ca162103 |
505 | EFI_FLASH_AREA_GUID_DEFINED, // AreaType\r |
204d0e01 |
506 | EFI_SYSTEM_NV_DATA_FV_GUID, // AreaTypeGuid\r |
ca162103 |
507 | 1,\r |
508 | {\r |
9008db4a |
509 | {\r |
510 | EFI_FLASH_AREA_FV | EFI_FLASH_AREA_MEMMAPPED_FV, // SubAreaData.Attributes\r |
511 | 0, // SubAreaData.Reserved\r |
512 | 0, // SubAreaData.Base (Fixed later)\r |
513 | NV_FTW_FVB_SIZE, // SubAreaData.Length\r |
514 | EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL_GUID // SubAreaData.FileSystem\r |
515 | }\r |
ca162103 |
516 | }, \r |
517 | 0,\r |
518 | L"", // Empty String indicates using memory\r |
519 | 0,\r |
520 | 0\r |
521 | }\r |
522 | },\r |
523 | { // NV Ftw working Hob\r |
ca162103 |
524 | {\r |
9008db4a |
525 | {\r |
526 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
527 | sizeof (FVB_HOB), // Hob size\r |
528 | 0 // reserved\r |
529 | },\r |
530 | EFI_FLASH_MAP_HOB_GUID\r |
531 | },\r |
532 | {\r |
533 | {0, 0, 0}, // Reserved[3]\r |
ca162103 |
534 | EFI_FLASH_AREA_FTW_STATE, // AreaType\r |
535 | { 0 }, // AreaTypeGuid\r |
536 | 1,\r |
537 | {\r |
9008db4a |
538 | {\r |
539 | EFI_FLASH_AREA_SUBFV | EFI_FLASH_AREA_MEMMAPPED_FV, // SubAreaData.Attributes\r |
540 | 0, // SubAreaData.Reserved\r |
541 | 0, // SubAreaData.Base (Fixed later)\r |
542 | NV_FTW_WORKING_SIZE, // SubAreaData.Length\r |
543 | EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL_GUID // SubAreaData.FileSystem\r |
544 | }\r |
ca162103 |
545 | }, \r |
546 | 0, // VolumeSignature\r |
547 | L"",\r |
548 | 0,\r |
549 | 0\r |
550 | }\r |
551 | },\r |
552 | { // NV Ftw spare Hob\r |
ca162103 |
553 | {\r |
9008db4a |
554 | {\r |
555 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
556 | sizeof (FVB_HOB), // Hob size\r |
557 | 0 // reserved\r |
558 | },\r |
559 | EFI_FLASH_MAP_HOB_GUID\r |
560 | },\r |
561 | {\r |
562 | {0, 0, 0}, // Reserved[3]\r |
ca162103 |
563 | EFI_FLASH_AREA_FTW_BACKUP, // AreaType\r |
564 | { 0 }, // AreaTypeGuid\r |
565 | 1,\r |
566 | {\r |
9008db4a |
567 | {\r |
568 | EFI_FLASH_AREA_SUBFV | EFI_FLASH_AREA_MEMMAPPED_FV, // SubAreaData.Attributes\r |
569 | 0, // SubAreaData.Reserved\r |
570 | 0, // SubAreaData.Base (Fixed later)\r |
571 | NV_FTW_SPARE_SIZE, // SubAreaData.Length\r |
572 | EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL_GUID // SubAreaData.FileSystem\r |
573 | }\r |
ca162103 |
574 | }, \r |
575 | 0,\r |
576 | L"",\r |
577 | 0,\r |
578 | 0\r |
579 | }\r |
580 | },\r |
581 | { // EndOfHobList\r |
582 | EFI_HOB_TYPE_END_OF_HOB_LIST, // HobType\r |
583 | sizeof (EFI_HOB_GENERIC_HEADER), // HobLength\r |
584 | 0 // Reserved\r |
585 | }\r |
586 | };\r |
587 | \r |
588 | HOB_TEMPLATE *gHob = &gHobTemplate;\r |
589 | \r |
590 | VOID *\r |
591 | PrepareHobMemory (\r |
592 | IN UINTN NumberOfMemoryMapEntries,\r |
593 | IN EFI_MEMORY_DESCRIPTOR *EfiMemoryDescriptor\r |
594 | )\r |
595 | /*++\r |
596 | Description:\r |
597 | Update the Hob filling MemoryFreeUnder1MB, MemoryAbove1MB, MemoryAbove4GB\r |
598 | \r |
599 | Arguments:\r |
600 | NumberOfMemoryMapEntries - Count of Memory Descriptors\r |
601 | EfiMemoryDescriptor - Point to the buffer containing NumberOfMemoryMapEntries Memory Descriptors\r |
602 | \r |
603 | Return:\r |
604 | VOID * : The end address of MemoryAbove1MB (or the top free memory under 4GB)\r |
605 | --*/\r |
606 | {\r |
607 | UINTN Index;\r |
608 | \r |
609 | //\r |
610 | // Prepare Low Memory\r |
611 | // 0x18 pages is 72 KB.\r |
612 | //\r |
613 | gHob->MemoryFreeUnder1MB.ResourceLength = EFI_MEMORY_BELOW_1MB_END - EFI_MEMORY_BELOW_1MB_START;\r |
614 | gHob->MemoryFreeUnder1MB.PhysicalStart = EFI_MEMORY_BELOW_1MB_START;\r |
615 | \r |
616 | //\r |
617 | // Prepare High Memory\r |
618 | // Assume Memory Map is ordered from low to high\r |
619 | //\r |
620 | gHob->MemoryAbove1MB.PhysicalStart = 0;\r |
621 | gHob->MemoryAbove1MB.ResourceLength = 0;\r |
622 | gHob->MemoryAbove4GB.PhysicalStart = 0;\r |
623 | gHob->MemoryAbove4GB.ResourceLength = 0;\r |
624 | \r |
625 | for (Index = 0; Index < NumberOfMemoryMapEntries; Index++) {\r |
626 | //\r |
627 | // Skip regions below 1MB\r |
628 | //\r |
629 | if (EfiMemoryDescriptor[Index].PhysicalStart < 0x100000) {\r |
630 | continue;\r |
631 | }\r |
632 | //\r |
633 | // Process regions above 1MB\r |
634 | //\r |
635 | if (EfiMemoryDescriptor[Index].PhysicalStart >= 0x100000) {\r |
636 | if (EfiMemoryDescriptor[Index].Type == EfiConventionalMemory) {\r |
637 | if (gHob->MemoryAbove1MB.PhysicalStart == 0) {\r |
638 | gHob->MemoryAbove1MB.PhysicalStart = EfiMemoryDescriptor[Index].PhysicalStart;\r |
639 | gHob->MemoryAbove1MB.ResourceLength = LShiftU64 (EfiMemoryDescriptor[Index].NumberOfPages, EFI_PAGE_SHIFT);\r |
640 | } else if (gHob->MemoryAbove1MB.PhysicalStart + gHob->MemoryAbove1MB.ResourceLength == EfiMemoryDescriptor[Index].PhysicalStart) {\r |
641 | gHob->MemoryAbove1MB.ResourceLength += LShiftU64 (EfiMemoryDescriptor[Index].NumberOfPages, EFI_PAGE_SHIFT);\r |
642 | }\r |
643 | }\r |
644 | if ((EfiMemoryDescriptor[Index].Type == EfiReservedMemoryType) ||\r |
645 | (EfiMemoryDescriptor[Index].Type >= EfiACPIReclaimMemory) ) {\r |
646 | continue;\r |
647 | }\r |
648 | if ((EfiMemoryDescriptor[Index].Type == EfiRuntimeServicesCode) ||\r |
649 | (EfiMemoryDescriptor[Index].Type == EfiRuntimeServicesData)) {\r |
650 | break;\r |
651 | }\r |
652 | }\r |
653 | //\r |
654 | // Process region above 4GB\r |
655 | //\r |
f40bbc08 |
656 | if (EfiMemoryDescriptor[Index].PhysicalStart >= 0x100000000LL) {\r |
ca162103 |
657 | if (EfiMemoryDescriptor[Index].Type == EfiConventionalMemory) {\r |
658 | if (gHob->MemoryAbove4GB.PhysicalStart == 0) {\r |
659 | gHob->MemoryAbove4GB.PhysicalStart = EfiMemoryDescriptor[Index].PhysicalStart;\r |
660 | gHob->MemoryAbove4GB.ResourceLength = LShiftU64 (EfiMemoryDescriptor[Index].NumberOfPages, EFI_PAGE_SHIFT);\r |
661 | }\r |
662 | if (gHob->MemoryAbove4GB.PhysicalStart + gHob->MemoryAbove4GB.ResourceLength == \r |
663 | EfiMemoryDescriptor[Index].PhysicalStart) {\r |
664 | gHob->MemoryAbove4GB.ResourceLength += LShiftU64 (EfiMemoryDescriptor[Index].NumberOfPages, EFI_PAGE_SHIFT);\r |
665 | }\r |
666 | }\r |
667 | }\r |
668 | }\r |
669 | \r |
670 | if (gHob->MemoryAbove4GB.ResourceLength == 0) {\r |
671 | //\r |
672 | // If there is no memory above 4GB then change the resource descriptor HOB\r |
673 | // into another type. I'm doing this as it's unclear if a resource\r |
674 | // descriptor HOB of length zero is valid. Spec does not say it's illegal,\r |
675 | // but code in EDK does not seem to handle this case.\r |
676 | //\r |
677 | gHob->MemoryAbove4GB.Header.HobType = EFI_HOB_TYPE_UNUSED;\r |
678 | }\r |
679 | \r |
680 | return (VOID *)(UINTN)(gHob->MemoryAbove1MB.PhysicalStart + gHob->MemoryAbove1MB.ResourceLength);\r |
681 | }\r |
682 | \r |
683 | VOID *\r |
684 | PrepareHobStack (\r |
685 | IN VOID *StackTop\r |
686 | )\r |
687 | {\r |
688 | gHob->Stack.AllocDescriptor.MemoryLength = EFI_MEMORY_STACK_PAGE_NUM * EFI_PAGE_SIZE;\r |
689 | gHob->Stack.AllocDescriptor.MemoryBaseAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)StackTop - gHob->Stack.AllocDescriptor.MemoryLength;\r |
690 | \r |
691 | return (VOID *)(UINTN)gHob->Stack.AllocDescriptor.MemoryBaseAddress;\r |
692 | }\r |
693 | \r |
694 | VOID *\r |
695 | PrepareHobMemoryDescriptor (\r |
696 | VOID *MemoryDescriptorTop,\r |
697 | UINTN MemDescCount,\r |
698 | EFI_MEMORY_DESCRIPTOR *MemDesc\r |
699 | )\r |
700 | {\r |
701 | gHob->MemoryDescriptor.MemDescCount = MemDescCount;\r |
702 | gHob->MemoryDescriptor.MemDesc = (EFI_MEMORY_DESCRIPTOR *)((UINTN)MemoryDescriptorTop - MemDescCount * sizeof(EFI_MEMORY_DESCRIPTOR));\r |
703 | //\r |
704 | // Make MemoryDescriptor.MemDesc page aligned\r |
705 | //\r |
706 | gHob->MemoryDescriptor.MemDesc = (EFI_MEMORY_DESCRIPTOR *)((UINTN) gHob->MemoryDescriptor.MemDesc & ~EFI_PAGE_MASK);\r |
707 | \r |
708 | CopyMem (gHob->MemoryDescriptor.MemDesc, MemDesc, MemDescCount * sizeof(EFI_MEMORY_DESCRIPTOR));\r |
709 | \r |
710 | return gHob->MemoryDescriptor.MemDesc;\r |
711 | }\r |
712 | \r |
713 | VOID\r |
714 | PrepareHobBfv (\r |
715 | VOID *Bfv,\r |
716 | UINTN BfvLength\r |
717 | )\r |
718 | {\r |
e188a609 |
719 | //UINTN BfvLengthPageSize;\r |
ca162103 |
720 | \r |
721 | //\r |
722 | // Calculate BFV location at top of the memory region.\r |
723 | // This is like a RAM Disk. Align to page boundry.\r |
724 | //\r |
e188a609 |
725 | //BfvLengthPageSize = EFI_PAGES_TO_SIZE (EFI_SIZE_TO_PAGES (BfvLength));\r |
ca162103 |
726 | \r |
727 | gHob->Bfv.BaseAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)Bfv;\r |
728 | gHob->Bfv.Length = BfvLength;\r |
729 | \r |
730 | //\r |
731 | // Resource descriptor for the FV\r |
732 | //\r |
733 | gHob->BfvResource.PhysicalStart = gHob->Bfv.BaseAddress;\r |
734 | gHob->BfvResource.ResourceLength = gHob->Bfv.Length;\r |
735 | }\r |
736 | \r |
737 | VOID\r |
738 | PrepareHobDxeCore (\r |
739 | VOID *DxeCoreEntryPoint,\r |
740 | EFI_PHYSICAL_ADDRESS DxeCoreImageBase,\r |
741 | UINT64 DxeCoreLength\r |
742 | )\r |
743 | {\r |
d569cbb0 |
744 | gHob->DxeCore.MemoryAllocationHeader.MemoryBaseAddress = DxeCoreImageBase;\r |
ca162103 |
745 | gHob->DxeCore.MemoryAllocationHeader.MemoryLength = DxeCoreLength;\r |
746 | gHob->DxeCore.EntryPoint = (EFI_PHYSICAL_ADDRESS)(UINTN)DxeCoreEntryPoint;\r |
d569cbb0 |
747 | \r |
748 | \r |
749 | gHob->MemoryDxeCore.PhysicalStart = DxeCoreImageBase;\r |
750 | gHob->MemoryDxeCore.ResourceLength = DxeCoreLength; \r |
ca162103 |
751 | }\r |
752 | \r |
753 | VOID *\r |
754 | PrepareHobNvStorage (\r |
755 | VOID *NvStorageTop\r |
756 | )\r |
757 | /*\r |
758 | Initialize Block-Aligned Firmware Block.\r |
759 | \r |
760 | Variable:\r |
761 | +-------------------+\r |
762 | | FV_Header |\r |
763 | +-------------------+\r |
764 | | |\r |
765 | |VAR_STORAGE(0x4000)|\r |
766 | | |\r |
767 | +-------------------+\r |
768 | FTW:\r |
769 | +-------------------+\r |
770 | | FV_Header |\r |
771 | +-------------------+\r |
772 | | |\r |
773 | | Working(0x2000) |\r |
774 | | |\r |
775 | +-------------------+\r |
776 | | |\r |
777 | | Spare(0x10000) |\r |
778 | | |\r |
779 | +-------------------+\r |
780 | */\r |
781 | {\r |
e56dd2ce |
782 | STATIC VARIABLE_STORE_HEADER VarStoreHeader = {\r |
439c34f3 |
783 | VARIABLE_STORE_SIGNATURE,\r |
ca162103 |
784 | 0xffffffff, // will be fixed in Variable driver\r |
785 | VARIABLE_STORE_FORMATTED,\r |
786 | VARIABLE_STORE_HEALTHY,\r |
787 | 0,\r |
788 | 0\r |
789 | };\r |
790 | \r |
e56dd2ce |
791 | STATIC EFI_FIRMWARE_VOLUME_HEADER NvStorageFvbHeader = {\r |
ca162103 |
792 | {\r |
793 | 0,\r |
794 | }, // ZeroVector[16]\r |
795 | EFI_SYSTEM_NV_DATA_FV_GUID,\r |
796 | NV_STORAGE_FVB_SIZE,\r |
797 | EFI_FVH_SIGNATURE,\r |
798 | EFI_FVB_READ_ENABLED_CAP |\r |
799 | EFI_FVB_READ_STATUS |\r |
800 | EFI_FVB_WRITE_ENABLED_CAP |\r |
801 | EFI_FVB_WRITE_STATUS |\r |
802 | EFI_FVB_ERASE_POLARITY,\r |
803 | EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH,\r |
804 | 0, // CheckSum\r |
805 | 0, // ExtHeaderOffset\r |
806 | {\r |
807 | 0,\r |
808 | }, // Reserved[1]\r |
809 | 1, // Revision\r |
810 | {\r |
811 | {\r |
812 | NV_STORAGE_FVB_BLOCK_NUM,\r |
813 | FV_BLOCK_SIZE,\r |
814 | }\r |
815 | }\r |
816 | };\r |
817 | \r |
e56dd2ce |
818 | STATIC EFI_FV_BLOCK_MAP_ENTRY BlockMapEntryEnd = {0, 0};\r |
ca162103 |
819 | \r |
820 | EFI_PHYSICAL_ADDRESS StorageFvbBase;\r |
821 | EFI_PHYSICAL_ADDRESS FtwFvbBase;\r |
822 | \r |
823 | UINT16 *Ptr;\r |
824 | UINT16 Checksum;\r |
825 | \r |
826 | \r |
827 | //\r |
828 | // Use first 16-byte Reset Vector of FVB to store extra information\r |
829 | // UINT32 Offset 0 stores the volume signature\r |
830 | // UINT8 Offset 4 : should init the Variable Store Header if non-zero\r |
831 | //\r |
832 | gHob->NvStorageFvb.FvbInfo.VolumeId = *(UINT32 *) (UINTN) (NV_STORAGE_STATE);\r |
833 | gHob->NvStorage. FvbInfo.VolumeId = *(UINT32 *) (UINTN) (NV_STORAGE_STATE);\r |
834 | \r |
835 | //\r |
836 | // *(NV_STORAGE_STATE + 4):\r |
837 | // 2 - Size error\r |
838 | // 1 - File not exist\r |
839 | // 0 - File exist with correct size\r |
840 | //\r |
841 | if (*(UINT8 *) (UINTN) (NV_STORAGE_STATE + 4) == 2) {\r |
842 | ClearScreen ();\r |
843 | PrintString ("Error: Size of Efivar.bin should be 16k!\n");\r |
844 | CpuDeadLoop();\r |
845 | }\r |
846 | \r |
847 | if (*(UINT8 *) (UINTN) (NV_STORAGE_STATE + 4) != 0) {\r |
848 | //\r |
849 | // Efivar.bin doesn't exist\r |
850 | // 1. Init variable storage header to valid header\r |
851 | //\r |
852 | CopyMem (\r |
853 | (VOID *) (UINTN) NV_STORAGE_START,\r |
854 | &VarStoreHeader,\r |
855 | sizeof (VARIABLE_STORE_HEADER)\r |
856 | );\r |
857 | //\r |
858 | // 2. set all bits in variable storage body to 1\r |
859 | //\r |
860 | SetMem (\r |
861 | (VOID *) (UINTN) (NV_STORAGE_START + sizeof (VARIABLE_STORE_HEADER)),\r |
862 | NV_STORAGE_SIZE - sizeof (VARIABLE_STORE_HEADER),\r |
863 | 0xff\r |
864 | );\r |
865 | }\r |
866 | \r |
867 | //\r |
868 | // Relocate variable storage\r |
869 | // \r |
870 | // 1. Init FVB Header to valid header: First 0x48 bytes\r |
871 | // In real platform, these fields are fixed by tools\r |
872 | //\r |
873 | //\r |
874 | Checksum = 0;\r |
875 | for (\r |
876 | Ptr = (UINT16 *) &NvStorageFvbHeader; \r |
877 | Ptr < (UINT16 *) ((UINTN) (UINT8 *) &NvStorageFvbHeader + sizeof (EFI_FIRMWARE_VOLUME_HEADER));\r |
878 | ++Ptr\r |
879 | ) {\r |
880 | Checksum = (UINT16) (Checksum + (*Ptr));\r |
881 | }\r |
882 | NvStorageFvbHeader.Checksum = (UINT16) (0x10000 - Checksum);\r |
883 | StorageFvbBase = (EFI_PHYSICAL_ADDRESS)(((UINTN)NvStorageTop - NV_STORAGE_FVB_SIZE - NV_FTW_FVB_SIZE) & ~EFI_PAGE_MASK);\r |
884 | CopyMem ((VOID *) (UINTN) StorageFvbBase, &NvStorageFvbHeader, sizeof (EFI_FIRMWARE_VOLUME_HEADER));\r |
885 | CopyMem (\r |
886 | (VOID *) (UINTN) (StorageFvbBase + sizeof (EFI_FIRMWARE_VOLUME_HEADER)),\r |
887 | &BlockMapEntryEnd,\r |
888 | sizeof (EFI_FV_BLOCK_MAP_ENTRY)\r |
889 | );\r |
890 | \r |
891 | //\r |
892 | // 2. Relocate variable data\r |
893 | //\r |
894 | CopyMem (\r |
895 | (VOID *) (UINTN) (StorageFvbBase + EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH),\r |
896 | (VOID *) (UINTN) NV_STORAGE_START,\r |
897 | NV_STORAGE_SIZE\r |
898 | );\r |
899 | \r |
900 | //\r |
901 | // 3. Set the remaining memory to 0xff\r |
902 | //\r |
903 | SetMem (\r |
904 | (VOID *) (UINTN) (StorageFvbBase + EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH + NV_STORAGE_SIZE),\r |
905 | NV_STORAGE_FVB_SIZE - NV_STORAGE_SIZE - EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH,\r |
906 | 0xff\r |
907 | );\r |
908 | \r |
909 | //\r |
910 | // Create the FVB holding NV Storage in memory\r |
911 | //\r |
912 | gHob->NvStorageFvResource.PhysicalStart =\r |
913 | gHob->NvStorageFvb.FvbInfo.Entries[0].Base = StorageFvbBase;\r |
914 | //\r |
915 | // Create the NV Storage Hob\r |
916 | //\r |
917 | gHob->NvStorage.FvbInfo.Entries[0].Base = StorageFvbBase + EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH;\r |
918 | \r |
919 | //\r |
920 | // Create the FVB holding FTW spaces\r |
921 | //\r |
922 | FtwFvbBase = (EFI_PHYSICAL_ADDRESS)((UINTN) StorageFvbBase + NV_STORAGE_FVB_SIZE);\r |
d569cbb0 |
923 | gHob->NvFtwFvResource.PhysicalStart =\r |
924 | gHob->NvFtwFvb.FvbInfo.Entries[0].Base = FtwFvbBase;\r |
ca162103 |
925 | //\r |
926 | // Put FTW Working in front\r |
927 | //\r |
928 | gHob->NvFtwWorking.FvbInfo.Entries[0].Base = FtwFvbBase + EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH;\r |
929 | \r |
930 | //\r |
931 | // Put FTW Spare area after FTW Working area\r |
932 | //\r |
933 | gHob->NvFtwSpare.FvbInfo.Entries[0].Base = \r |
934 | (EFI_PHYSICAL_ADDRESS)((UINTN) FtwFvbBase + EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH + NV_FTW_WORKING_SIZE);\r |
935 | \r |
936 | return (VOID *)(UINTN)StorageFvbBase;\r |
937 | }\r |
938 | \r |
939 | VOID\r |
940 | PrepareHobPhit (\r |
941 | VOID *MemoryTop,\r |
942 | VOID *FreeMemoryTop\r |
943 | )\r |
944 | {\r |
945 | gHob->Phit.EfiMemoryTop = (EFI_PHYSICAL_ADDRESS)(UINTN)MemoryTop;\r |
946 | gHob->Phit.EfiMemoryBottom = gHob->Phit.EfiMemoryTop - CONSUMED_MEMORY;\r |
947 | gHob->Phit.EfiFreeMemoryTop = (EFI_PHYSICAL_ADDRESS)(UINTN)FreeMemoryTop;\r |
948 | gHob->Phit.EfiFreeMemoryBottom = gHob->Phit.EfiMemoryBottom + sizeof(HOB_TEMPLATE);\r |
949 | \r |
950 | CopyMem ((VOID *)(UINTN)gHob->Phit.EfiMemoryBottom, gHob, sizeof(HOB_TEMPLATE));\r |
951 | gHob = (HOB_TEMPLATE *)(UINTN)gHob->Phit.EfiMemoryBottom;\r |
952 | \r |
953 | gHob->Phit.EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS)(UINTN)&gHob->EndOfHobList;\r |
954 | }\r |
955 | \r |
956 | VOID\r |
957 | PrepareHobCpu (\r |
958 | VOID\r |
959 | )\r |
960 | {\r |
4a1db20f |
961 | UINT32 CpuidEax;\r |
ca162103 |
962 | \r |
963 | //\r |
964 | // Create a CPU hand-off information\r |
965 | //\r |
4a1db20f |
966 | gHob->Cpu.SizeOfMemorySpace = 36;\r |
ca162103 |
967 | \r |
4a1db20f |
968 | AsmCpuid (EFI_CPUID_EXTENDED_FUNCTION, &CpuidEax, NULL, NULL, NULL);\r |
969 | if (CpuidEax >= CPUID_EXTENDED_ADD_SIZE) {\r |
970 | AsmCpuid (CPUID_EXTENDED_ADD_SIZE, &CpuidEax, NULL, NULL, NULL);\r |
971 | gHob->Cpu.SizeOfMemorySpace = (UINT8)(CpuidEax & 0xFF);\r |
ca162103 |
972 | }\r |
ca162103 |
973 | }\r |
974 | \r |
975 | VOID\r |
976 | CompleteHobGeneration (\r |
977 | VOID\r |
978 | )\r |
979 | {\r |
980 | gHob->MemoryAllocation.AllocDescriptor.MemoryBaseAddress = gHob->Phit.EfiFreeMemoryTop;\r |
981 | //\r |
982 | // Reserve all the memory under Stack above FreeMemoryTop as allocated\r |
983 | //\r |
984 | gHob->MemoryAllocation.AllocDescriptor.MemoryLength = gHob->Stack.AllocDescriptor.MemoryBaseAddress - gHob->Phit.EfiFreeMemoryTop;\r |
985 | \r |
986 | //\r |
987 | // adjust Above1MB ResourceLength\r |
988 | //\r |
989 | if (gHob->MemoryAbove1MB.PhysicalStart + gHob->MemoryAbove1MB.ResourceLength > gHob->Phit.EfiMemoryTop) {\r |
990 | gHob->MemoryAbove1MB.ResourceLength = gHob->Phit.EfiMemoryTop - gHob->MemoryAbove1MB.PhysicalStart;\r |
991 | }\r |
992 | }\r |
993 | \r |