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1 | /*++\r | |
2 | \r | |
3 | Copyright (c) 2004 - 2006, 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 | \r | |
14 | hob.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | Support for hob operation\r | |
19 | \r | |
20 | --*/\r | |
21 | \r | |
22 | #include "Tiano.h"\r | |
23 | #include "EfiDriverLib.h"\r | |
24 | #include "PeiHob.h"\r | |
25 | #include EFI_GUID_DEFINITION (IoBaseHob)\r | |
26 | #include EFI_GUID_DEFINITION (MemoryAllocationHob)\r | |
27 | \r | |
28 | VOID *\r | |
29 | GetHob (\r | |
30 | IN UINT16 Type,\r | |
31 | IN VOID *HobStart\r | |
32 | )\r | |
33 | /*++\r | |
34 | \r | |
35 | Routine Description:\r | |
36 | \r | |
37 | This function returns the first instance of a HOB type in a HOB list.\r | |
38 | \r | |
39 | Arguments:\r | |
40 | \r | |
41 | Type The HOB type to return.\r | |
42 | HobStart The first HOB in the HOB list.\r | |
43 | \r | |
44 | Returns:\r | |
45 | \r | |
46 | HobStart There were no HOBs found with the requested type.\r | |
47 | else Returns the first HOB with the matching type.\r | |
48 | \r | |
49 | --*/\r | |
50 | {\r | |
51 | EFI_PEI_HOB_POINTERS Hob;\r | |
52 | \r | |
53 | Hob.Raw = HobStart;\r | |
54 | //\r | |
55 | // Return input if not found\r | |
56 | //\r | |
57 | if (HobStart == NULL) {\r | |
58 | return HobStart;\r | |
59 | }\r | |
60 | \r | |
61 | //\r | |
62 | // Parse the HOB list, stop if end of list or matching type found.\r | |
63 | //\r | |
64 | while (!END_OF_HOB_LIST (Hob)) {\r | |
65 | \r | |
66 | if (Hob.Header->HobType == Type) {\r | |
67 | break;\r | |
68 | }\r | |
69 | \r | |
70 | Hob.Raw = GET_NEXT_HOB (Hob);\r | |
71 | }\r | |
72 | \r | |
73 | //\r | |
74 | // Return input if not found\r | |
75 | //\r | |
76 | if (END_OF_HOB_LIST (Hob)) {\r | |
77 | return HobStart;\r | |
78 | }\r | |
79 | \r | |
80 | return (VOID *) (Hob.Raw);\r | |
81 | }\r | |
82 | \r | |
83 | UINTN\r | |
84 | GetHobListSize (\r | |
85 | IN VOID *HobStart\r | |
86 | )\r | |
87 | /*++\r | |
88 | \r | |
89 | Routine Description:\r | |
90 | \r | |
91 | Get size of hob list.\r | |
92 | \r | |
93 | Arguments:\r | |
94 | \r | |
95 | HobStart - Start pointer of hob list\r | |
96 | \r | |
97 | Returns:\r | |
98 | \r | |
99 | Size of hob list.\r | |
100 | \r | |
101 | --*/\r | |
102 | {\r | |
103 | EFI_PEI_HOB_POINTERS Hob;\r | |
104 | UINTN Size;\r | |
105 | \r | |
106 | Hob.Raw = HobStart;\r | |
107 | Size = 0;\r | |
108 | \r | |
109 | while (Hob.Header->HobType != EFI_HOB_TYPE_END_OF_HOB_LIST) {\r | |
110 | Size += Hob.Header->HobLength;\r | |
111 | Hob.Raw += Hob.Header->HobLength;\r | |
112 | }\r | |
113 | \r | |
114 | Size += Hob.Header->HobLength;\r | |
115 | \r | |
116 | return Size;\r | |
117 | }\r | |
118 | \r | |
119 | UINT32\r | |
120 | GetHobVersion (\r | |
121 | IN VOID *HobStart\r | |
122 | )\r | |
123 | /*++\r | |
124 | \r | |
125 | Routine Description:\r | |
126 | \r | |
127 | Get hob version.\r | |
128 | \r | |
129 | Arguments:\r | |
130 | \r | |
131 | HobStart - Start pointer of hob list\r | |
132 | \r | |
133 | Returns:\r | |
134 | \r | |
135 | Hob version.\r | |
136 | \r | |
137 | --*/\r | |
138 | {\r | |
139 | EFI_PEI_HOB_POINTERS Hob;\r | |
140 | \r | |
141 | Hob.Raw = HobStart;\r | |
142 | return Hob.HandoffInformationTable->Version;\r | |
143 | }\r | |
144 | \r | |
145 | EFI_STATUS\r | |
146 | GetHobBootMode (\r | |
147 | IN VOID *HobStart,\r | |
148 | OUT EFI_BOOT_MODE *BootMode\r | |
149 | )\r | |
150 | /*++\r | |
151 | \r | |
152 | Routine Description:\r | |
153 | \r | |
154 | Get current boot mode.\r | |
155 | \r | |
156 | Arguments:\r | |
157 | \r | |
158 | HobStart - Start pointer of hob list\r | |
159 | \r | |
160 | BootMode - Current boot mode recorded in PHIT hob\r | |
161 | \r | |
162 | Returns:\r | |
163 | \r | |
164 | EFI_NOT_FOUND - Invalid hob header\r | |
165 | \r | |
166 | EFI_SUCCESS - Boot mode found\r | |
167 | \r | |
168 | --*/\r | |
169 | {\r | |
170 | EFI_PEI_HOB_POINTERS Hob;\r | |
171 | \r | |
172 | Hob.Raw = HobStart;\r | |
173 | if (Hob.Header->HobType != EFI_HOB_TYPE_HANDOFF) {\r | |
174 | return EFI_NOT_FOUND;\r | |
175 | }\r | |
176 | \r | |
177 | *BootMode = Hob.HandoffInformationTable->BootMode;\r | |
178 | return EFI_SUCCESS;\r | |
179 | }\r | |
180 | \r | |
181 | EFI_STATUS\r | |
182 | GetCpuHobInfo (\r | |
183 | IN VOID *HobStart,\r | |
184 | OUT UINT8 *SizeOfMemorySpace,\r | |
185 | OUT UINT8 *SizeOfIoSpace\r | |
186 | )\r | |
187 | /*++\r | |
188 | \r | |
189 | Routine Description:\r | |
190 | \r | |
191 | Get information recorded in CPU hob (Memory space size, Io space size)\r | |
192 | \r | |
193 | Arguments:\r | |
194 | \r | |
195 | HobStart - Start pointer of hob list\r | |
196 | \r | |
197 | SizeOfMemorySpace - Size of memory size\r | |
198 | \r | |
199 | SizeOfIoSpace - Size of IO size\r | |
200 | \r | |
201 | Returns:\r | |
202 | \r | |
203 | EFI_NOT_FOUND - CPU hob not found\r | |
204 | \r | |
205 | EFI_SUCCESS - CPU hob found and information got.\r | |
206 | \r | |
207 | --*/\r | |
208 | {\r | |
209 | EFI_PEI_HOB_POINTERS CpuHob;\r | |
210 | \r | |
211 | CpuHob.Raw = HobStart;\r | |
212 | CpuHob.Raw = GetHob (EFI_HOB_TYPE_CPU, CpuHob.Raw);\r | |
213 | if (CpuHob.Header->HobType != EFI_HOB_TYPE_CPU) {\r | |
214 | return EFI_NOT_FOUND;\r | |
215 | }\r | |
216 | \r | |
217 | *SizeOfMemorySpace = CpuHob.Cpu->SizeOfMemorySpace;\r | |
218 | *SizeOfIoSpace = CpuHob.Cpu->SizeOfIoSpace;\r | |
219 | return EFI_SUCCESS;\r | |
220 | }\r | |
221 | \r | |
222 | EFI_STATUS\r | |
223 | GetDxeCoreHobInfo (\r | |
224 | IN VOID *HobStart,\r | |
225 | OUT EFI_PHYSICAL_ADDRESS *BaseAddress,\r | |
226 | OUT UINT64 *Length,\r | |
227 | OUT VOID **EntryPoint,\r | |
228 | OUT EFI_GUID **FileName\r | |
229 | )\r | |
230 | /*++\r | |
231 | \r | |
232 | Routine Description:\r | |
233 | \r | |
234 | Get memory allocation hob created for DXE core and extract its information\r | |
235 | \r | |
236 | Arguments:\r | |
237 | \r | |
238 | HobStart - Start pointer of the hob list\r | |
239 | BaseAddress - Start address of memory allocated for DXE core\r | |
240 | Length - Length of memory allocated for DXE core\r | |
241 | EntryPoint - DXE core file name\r | |
242 | FileName - File Name\r | |
243 | \r | |
244 | Returns:\r | |
245 | \r | |
246 | EFI_NOT_FOUND - DxeCoreHob not found \r | |
247 | EFI_SUCCESS - DxeCoreHob found and information got\r | |
248 | \r | |
249 | --*/\r | |
250 | {\r | |
251 | EFI_PEI_HOB_POINTERS DxeCoreHob;\r | |
252 | \r | |
253 | \r | |
254 | DxeCoreHob.Raw = HobStart;\r | |
255 | DxeCoreHob.Raw = GetHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, DxeCoreHob.Raw);\r | |
256 | while (DxeCoreHob.Header->HobType == EFI_HOB_TYPE_MEMORY_ALLOCATION && \r | |
257 | !EfiCompareGuid (&DxeCoreHob.MemoryAllocationModule->MemoryAllocationHeader.Name, \r | |
258 | &gEfiHobMemeryAllocModuleGuid)) {\r | |
259 | \r | |
260 | DxeCoreHob.Raw = GET_NEXT_HOB (DxeCoreHob);\r | |
261 | DxeCoreHob.Raw = GetHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, DxeCoreHob.Raw);\r | |
262 | \r | |
263 | }\r | |
264 | \r | |
265 | if (DxeCoreHob.Header->HobType != EFI_HOB_TYPE_MEMORY_ALLOCATION) {\r | |
266 | return EFI_NOT_FOUND;\r | |
267 | }\r | |
268 | \r | |
269 | *BaseAddress = DxeCoreHob.MemoryAllocationModule->MemoryAllocationHeader.MemoryBaseAddress;\r | |
270 | *Length = DxeCoreHob.MemoryAllocationModule->MemoryAllocationHeader.MemoryLength;\r | |
271 | *EntryPoint = (VOID *) (UINTN) DxeCoreHob.MemoryAllocationModule->EntryPoint;\r | |
272 | *FileName = &DxeCoreHob.MemoryAllocationModule->ModuleName;\r | |
273 | \r | |
274 | return EFI_SUCCESS;\r | |
275 | }\r | |
276 | \r | |
277 | EFI_STATUS\r | |
278 | GetNextFirmwareVolumeHob (\r | |
279 | IN OUT VOID **HobStart,\r | |
280 | OUT EFI_PHYSICAL_ADDRESS *BaseAddress,\r | |
281 | OUT UINT64 *Length\r | |
282 | )\r | |
283 | /*++\r | |
284 | \r | |
285 | Routine Description:\r | |
286 | \r | |
287 | Get next firmware volume hob from HobStart\r | |
288 | \r | |
289 | Arguments:\r | |
290 | \r | |
291 | HobStart - Start pointer of hob list\r | |
292 | \r | |
293 | BaseAddress - Start address of next firmware volume\r | |
294 | \r | |
295 | Length - Length of next firmware volume\r | |
296 | \r | |
297 | Returns:\r | |
298 | \r | |
299 | EFI_NOT_FOUND - Next firmware volume not found\r | |
300 | \r | |
301 | EFI_SUCCESS - Next firmware volume found with address information\r | |
302 | \r | |
303 | --*/\r | |
304 | {\r | |
305 | EFI_PEI_HOB_POINTERS FirmwareVolumeHob;\r | |
306 | \r | |
307 | FirmwareVolumeHob.Raw = *HobStart;\r | |
308 | if (END_OF_HOB_LIST (FirmwareVolumeHob)) {\r | |
309 | return EFI_NOT_FOUND;\r | |
310 | }\r | |
311 | \r | |
312 | FirmwareVolumeHob.Raw = GetHob (EFI_HOB_TYPE_FV, *HobStart);\r | |
313 | if (FirmwareVolumeHob.Header->HobType != EFI_HOB_TYPE_FV) {\r | |
314 | return EFI_NOT_FOUND;\r | |
315 | }\r | |
316 | \r | |
317 | *BaseAddress = FirmwareVolumeHob.FirmwareVolume->BaseAddress;\r | |
318 | *Length = FirmwareVolumeHob.FirmwareVolume->Length;\r | |
319 | \r | |
320 | *HobStart = GET_NEXT_HOB (FirmwareVolumeHob);\r | |
321 | \r | |
322 | return EFI_SUCCESS;\r | |
323 | }\r | |
324 | \r | |
325 | #if (PI_SPECIFICATION_VERSION >= 0x00010000)\r | |
326 | EFI_STATUS\r | |
327 | GetNextFirmwareVolume2Hob (\r | |
328 | IN OUT VOID **HobStart,\r | |
329 | OUT EFI_PHYSICAL_ADDRESS *BaseAddress,\r | |
330 | OUT UINT64 *Length,\r | |
331 | OUT EFI_GUID *FileName\r | |
332 | )\r | |
333 | /*++\r | |
334 | \r | |
335 | Routine Description:\r | |
336 | \r | |
337 | Get next firmware volume2 hob from HobStart\r | |
338 | \r | |
339 | Arguments:\r | |
340 | \r | |
341 | HobStart - Start pointer of hob list\r | |
342 | \r | |
343 | BaseAddress - Start address of next firmware volume\r | |
344 | \r | |
345 | Length - Length of next firmware volume\r | |
346 | \r | |
347 | Returns:\r | |
348 | \r | |
349 | EFI_NOT_FOUND - Next firmware volume not found\r | |
350 | \r | |
351 | EFI_SUCCESS - Next firmware volume found with address information\r | |
352 | \r | |
353 | --*/\r | |
354 | {\r | |
355 | EFI_PEI_HOB_POINTERS FirmwareVolumeHob;\r | |
356 | \r | |
357 | FirmwareVolumeHob.Raw = *HobStart;\r | |
358 | if (END_OF_HOB_LIST (FirmwareVolumeHob)) {\r | |
359 | return EFI_NOT_FOUND;\r | |
360 | }\r | |
361 | \r | |
362 | FirmwareVolumeHob.Raw = GetHob (EFI_HOB_TYPE_FV2, *HobStart);\r | |
363 | if (FirmwareVolumeHob.Header->HobType != EFI_HOB_TYPE_FV2) {\r | |
364 | return EFI_NOT_FOUND;\r | |
365 | }\r | |
366 | \r | |
367 | *BaseAddress = FirmwareVolumeHob.FirmwareVolume2->BaseAddress;\r | |
368 | *Length = FirmwareVolumeHob.FirmwareVolume2->Length;\r | |
369 | EfiCommonLibCopyMem(FileName,&FirmwareVolumeHob.FirmwareVolume2->FileName,sizeof(EFI_GUID));\r | |
370 | \r | |
371 | *HobStart = GET_NEXT_HOB (FirmwareVolumeHob);\r | |
372 | \r | |
373 | return EFI_SUCCESS;\r | |
374 | }\r | |
375 | #endif\r | |
376 | \r | |
377 | EFI_STATUS\r | |
378 | GetNextGuidHob (\r | |
379 | IN OUT VOID **HobStart,\r | |
380 | IN EFI_GUID * Guid,\r | |
381 | OUT VOID **Buffer,\r | |
382 | OUT UINTN *BufferSize OPTIONAL\r | |
383 | )\r | |
384 | /*++\r | |
385 | \r | |
386 | Routine Description:\r | |
387 | Get the next guid hob.\r | |
388 | \r | |
389 | Arguments:\r | |
390 | HobStart A pointer to the start hob.\r | |
391 | Guid A pointer to a guid.\r | |
392 | Buffer A pointer to the buffer.\r | |
393 | BufferSize Buffer size.\r | |
394 | \r | |
395 | Returns:\r | |
396 | Status code.\r | |
397 | \r | |
398 | EFI_NOT_FOUND - Next Guid hob not found\r | |
399 | \r | |
400 | EFI_SUCCESS - Next Guid hob found and data for this Guid got\r | |
401 | \r | |
402 | EFI_INVALID_PARAMETER - invalid parameter\r | |
403 | \r | |
404 | --*/\r | |
405 | {\r | |
406 | EFI_STATUS Status;\r | |
407 | EFI_PEI_HOB_POINTERS GuidHob;\r | |
408 | \r | |
409 | if (Buffer == NULL) {\r | |
410 | return EFI_INVALID_PARAMETER;\r | |
411 | }\r | |
412 | \r | |
413 | for (Status = EFI_NOT_FOUND; EFI_ERROR (Status);) {\r | |
414 | \r | |
415 | GuidHob.Raw = *HobStart;\r | |
416 | if (END_OF_HOB_LIST (GuidHob)) {\r | |
417 | return EFI_NOT_FOUND;\r | |
418 | }\r | |
419 | \r | |
420 | GuidHob.Raw = GetHob (EFI_HOB_TYPE_GUID_EXTENSION, *HobStart);\r | |
421 | if (GuidHob.Header->HobType == EFI_HOB_TYPE_GUID_EXTENSION) {\r | |
422 | if (EfiCompareGuid (Guid, &GuidHob.Guid->Name)) {\r | |
423 | Status = EFI_SUCCESS;\r | |
424 | *Buffer = (VOID *) ((UINT8 *) (&GuidHob.Guid->Name) + sizeof (EFI_GUID));\r | |
425 | if (BufferSize != NULL) {\r | |
426 | *BufferSize = GuidHob.Header->HobLength - sizeof (EFI_HOB_GUID_TYPE);\r | |
427 | }\r | |
428 | }\r | |
429 | }\r | |
430 | \r | |
431 | *HobStart = GET_NEXT_HOB (GuidHob);\r | |
432 | }\r | |
433 | \r | |
434 | return Status;\r | |
435 | }\r | |
436 | \r | |
437 | \r | |
438 | #define PAL_ENTRY_HOB {0xe53cb8cc, 0xd62c, 0x4f74, 0xbd, 0xda, 0x31, 0xe5, 0x8d, 0xe5, 0x3e, 0x2}\r | |
439 | EFI_GUID gPalEntryHob = PAL_ENTRY_HOB;\r | |
440 | \r | |
441 | EFI_STATUS\r | |
442 | GetPalEntryHobInfo (\r | |
443 | IN VOID *HobStart,\r | |
444 | OUT EFI_PHYSICAL_ADDRESS *PalEntry\r | |
445 | )\r | |
446 | /*++\r | |
447 | \r | |
448 | Routine Description:\r | |
449 | \r | |
450 | Get PAL entry from PalEntryHob\r | |
451 | \r | |
452 | Arguments:\r | |
453 | \r | |
454 | HobStart - Start pointer of hob list\r | |
455 | \r | |
456 | PalEntry - Pointer to PAL entry\r | |
457 | \r | |
458 | Returns:\r | |
459 | \r | |
460 | Status code.\r | |
461 | \r | |
462 | --*/\r | |
463 | {\r | |
464 | VOID *Buffer;\r | |
465 | UINTN BufferSize;\r | |
466 | EFI_STATUS Status;\r | |
467 | VOID *HobStart2;\r | |
468 | \r | |
469 | HobStart2 = HobStart;\r | |
470 | Status = GetNextGuidHob (\r | |
471 | &HobStart2,\r | |
472 | &gPalEntryHob,\r | |
473 | &Buffer,\r | |
474 | &BufferSize\r | |
475 | );\r | |
476 | \r | |
477 | *PalEntry = *((EFI_PHYSICAL_ADDRESS *) Buffer);\r | |
478 | return Status;\r | |
479 | }\r | |
480 | \r | |
481 | \r | |
482 | EFI_STATUS\r | |
483 | GetIoPortSpaceAddressHobInfo (\r | |
484 | IN VOID *HobStart,\r | |
485 | OUT EFI_PHYSICAL_ADDRESS *IoPortSpaceAddress\r | |
486 | )\r | |
487 | /*++\r | |
488 | \r | |
489 | Routine Description:\r | |
490 | \r | |
491 | Get IO port space address from IoBaseHob.\r | |
492 | \r | |
493 | Arguments:\r | |
494 | \r | |
495 | HobStart - Start pointer of hob list\r | |
496 | \r | |
497 | IoPortSpaceAddress - IO port space address\r | |
498 | \r | |
499 | Returns:\r | |
500 | \r | |
501 | Status code\r | |
502 | \r | |
503 | --*/\r | |
504 | {\r | |
505 | \r | |
506 | VOID *Buffer;\r | |
507 | UINTN BufferSize;\r | |
508 | EFI_STATUS Status;\r | |
509 | VOID *HobStart2;\r | |
510 | \r | |
511 | HobStart2 = HobStart;\r | |
512 | Status = GetNextGuidHob (\r | |
513 | &HobStart2,\r | |
514 | &gEfiIoBaseHobGuid,\r | |
515 | &Buffer,\r | |
516 | &BufferSize\r | |
517 | );\r | |
518 | \r | |
519 | *IoPortSpaceAddress = *((EFI_PHYSICAL_ADDRESS *) Buffer);\r | |
520 | return Status;\r | |
521 | }\r |