]>
Commit | Line | Data |
---|---|---|
1 | /** @file\r | |
2 | BDS Lib functions which relate with create or process the boot option.\r | |
3 | \r | |
4 | Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>\r | |
5 | This program and the accompanying materials\r | |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | #include "InternalBdsLib.h"\r | |
16 | #include "String.h"\r | |
17 | \r | |
18 | BOOLEAN mEnumBootDevice = FALSE;\r | |
19 | EFI_HII_HANDLE gBdsLibStringPackHandle = NULL;\r | |
20 | \r | |
21 | /**\r | |
22 | The constructor function register UNI strings into imageHandle.\r | |
23 | \r | |
24 | It will ASSERT() if that operation fails and it will always return EFI_SUCCESS. \r | |
25 | \r | |
26 | @param ImageHandle The firmware allocated handle for the EFI image.\r | |
27 | @param SystemTable A pointer to the EFI System Table.\r | |
28 | \r | |
29 | @retval EFI_SUCCESS The constructor successfully added string package.\r | |
30 | @retval Other value The constructor can't add string package.\r | |
31 | \r | |
32 | **/\r | |
33 | EFI_STATUS\r | |
34 | EFIAPI\r | |
35 | GenericBdsLibConstructor (\r | |
36 | IN EFI_HANDLE ImageHandle,\r | |
37 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
38 | )\r | |
39 | {\r | |
40 | \r | |
41 | gBdsLibStringPackHandle = HiiAddPackages (\r | |
42 | &gBdsLibStringPackageGuid,\r | |
43 | ImageHandle,\r | |
44 | GenericBdsLibStrings,\r | |
45 | NULL\r | |
46 | );\r | |
47 | \r | |
48 | ASSERT (gBdsLibStringPackHandle != NULL);\r | |
49 | \r | |
50 | return EFI_SUCCESS;\r | |
51 | }\r | |
52 | \r | |
53 | /**\r | |
54 | Deletete the Boot Option from EFI Variable. The Boot Order Arrray\r | |
55 | is also updated.\r | |
56 | \r | |
57 | @param OptionNumber The number of Boot option want to be deleted.\r | |
58 | @param BootOrder The Boot Order array.\r | |
59 | @param BootOrderSize The size of the Boot Order Array.\r | |
60 | \r | |
61 | @retval EFI_SUCCESS The Boot Option Variable was found and removed\r | |
62 | @retval EFI_UNSUPPORTED The Boot Option Variable store was inaccessible\r | |
63 | @retval EFI_NOT_FOUND The Boot Option Variable was not found\r | |
64 | **/\r | |
65 | EFI_STATUS\r | |
66 | EFIAPI\r | |
67 | BdsDeleteBootOption (\r | |
68 | IN UINTN OptionNumber,\r | |
69 | IN OUT UINT16 *BootOrder,\r | |
70 | IN OUT UINTN *BootOrderSize\r | |
71 | )\r | |
72 | {\r | |
73 | CHAR16 BootOption[9];\r | |
74 | UINTN Index;\r | |
75 | EFI_STATUS Status;\r | |
76 | \r | |
77 | UnicodeSPrint (BootOption, sizeof (BootOption), L"Boot%04x", OptionNumber);\r | |
78 | Status = gRT->SetVariable (\r | |
79 | BootOption,\r | |
80 | &gEfiGlobalVariableGuid,\r | |
81 | 0,\r | |
82 | 0,\r | |
83 | NULL\r | |
84 | );\r | |
85 | //\r | |
86 | // Deleting variable with existing variable implementation shouldn't fail.\r | |
87 | //\r | |
88 | ASSERT_EFI_ERROR (Status);\r | |
89 | \r | |
90 | //\r | |
91 | // adjust boot order array\r | |
92 | //\r | |
93 | for (Index = 0; Index < *BootOrderSize / sizeof (UINT16); Index++) {\r | |
94 | if (BootOrder[Index] == OptionNumber) {\r | |
95 | CopyMem (&BootOrder[Index], &BootOrder[Index+1], *BootOrderSize - (Index+1) * sizeof (UINT16));\r | |
96 | *BootOrderSize -= sizeof (UINT16);\r | |
97 | break;\r | |
98 | }\r | |
99 | }\r | |
100 | \r | |
101 | return Status;\r | |
102 | }\r | |
103 | /**\r | |
104 | \r | |
105 | Translate the first n characters of an Ascii string to\r | |
106 | Unicode characters. The count n is indicated by parameter\r | |
107 | Size. If Size is greater than the length of string, then\r | |
108 | the entire string is translated.\r | |
109 | \r | |
110 | \r | |
111 | @param AStr Pointer to input Ascii string.\r | |
112 | @param Size The number of characters to translate.\r | |
113 | @param UStr Pointer to output Unicode string buffer.\r | |
114 | \r | |
115 | **/\r | |
116 | VOID\r | |
117 | AsciiToUnicodeSize (\r | |
118 | IN UINT8 *AStr,\r | |
119 | IN UINTN Size,\r | |
120 | OUT UINT16 *UStr\r | |
121 | )\r | |
122 | {\r | |
123 | UINTN Idx;\r | |
124 | \r | |
125 | Idx = 0;\r | |
126 | while (AStr[Idx] != 0) {\r | |
127 | UStr[Idx] = (CHAR16) AStr[Idx];\r | |
128 | if (Idx == Size) {\r | |
129 | break;\r | |
130 | }\r | |
131 | \r | |
132 | Idx++;\r | |
133 | }\r | |
134 | UStr[Idx] = 0;\r | |
135 | }\r | |
136 | \r | |
137 | /**\r | |
138 | Build Legacy Device Name String according.\r | |
139 | \r | |
140 | @param CurBBSEntry BBS Table.\r | |
141 | @param Index Index.\r | |
142 | @param BufSize The buffer size.\r | |
143 | @param BootString The output string.\r | |
144 | \r | |
145 | **/\r | |
146 | VOID\r | |
147 | BdsBuildLegacyDevNameString (\r | |
148 | IN BBS_TABLE *CurBBSEntry,\r | |
149 | IN UINTN Index,\r | |
150 | IN UINTN BufSize,\r | |
151 | OUT CHAR16 *BootString\r | |
152 | )\r | |
153 | {\r | |
154 | CHAR16 *Fmt;\r | |
155 | CHAR16 *Type;\r | |
156 | UINT8 *StringDesc;\r | |
157 | CHAR16 Temp[80];\r | |
158 | \r | |
159 | switch (Index) {\r | |
160 | //\r | |
161 | // Primary Master\r | |
162 | //\r | |
163 | case 1:\r | |
164 | Fmt = L"Primary Master %s";\r | |
165 | break;\r | |
166 | \r | |
167 | //\r | |
168 | // Primary Slave\r | |
169 | //\r | |
170 | case 2:\r | |
171 | Fmt = L"Primary Slave %s";\r | |
172 | break;\r | |
173 | \r | |
174 | //\r | |
175 | // Secondary Master\r | |
176 | //\r | |
177 | case 3:\r | |
178 | Fmt = L"Secondary Master %s";\r | |
179 | break;\r | |
180 | \r | |
181 | //\r | |
182 | // Secondary Slave\r | |
183 | //\r | |
184 | case 4:\r | |
185 | Fmt = L"Secondary Slave %s";\r | |
186 | break;\r | |
187 | \r | |
188 | default:\r | |
189 | Fmt = L"%s";\r | |
190 | break;\r | |
191 | }\r | |
192 | \r | |
193 | switch (CurBBSEntry->DeviceType) {\r | |
194 | case BBS_FLOPPY:\r | |
195 | Type = L"Floppy";\r | |
196 | break;\r | |
197 | \r | |
198 | case BBS_HARDDISK:\r | |
199 | Type = L"Harddisk";\r | |
200 | break;\r | |
201 | \r | |
202 | case BBS_CDROM:\r | |
203 | Type = L"CDROM";\r | |
204 | break;\r | |
205 | \r | |
206 | case BBS_PCMCIA:\r | |
207 | Type = L"PCMCIAe";\r | |
208 | break;\r | |
209 | \r | |
210 | case BBS_USB:\r | |
211 | Type = L"USB";\r | |
212 | break;\r | |
213 | \r | |
214 | case BBS_EMBED_NETWORK:\r | |
215 | Type = L"Network";\r | |
216 | break;\r | |
217 | \r | |
218 | case BBS_BEV_DEVICE:\r | |
219 | Type = L"BEVe";\r | |
220 | break;\r | |
221 | \r | |
222 | case BBS_UNKNOWN:\r | |
223 | default:\r | |
224 | Type = L"Unknown";\r | |
225 | break;\r | |
226 | }\r | |
227 | //\r | |
228 | // If current BBS entry has its description then use it.\r | |
229 | //\r | |
230 | StringDesc = (UINT8 *) (UINTN) ((CurBBSEntry->DescStringSegment << 4) + CurBBSEntry->DescStringOffset);\r | |
231 | if (NULL != StringDesc) {\r | |
232 | //\r | |
233 | // Only get fisrt 32 characters, this is suggested by BBS spec\r | |
234 | //\r | |
235 | AsciiToUnicodeSize (StringDesc, 32, Temp);\r | |
236 | Fmt = L"%s";\r | |
237 | Type = Temp;\r | |
238 | }\r | |
239 | \r | |
240 | //\r | |
241 | // BbsTable 16 entries are for onboard IDE.\r | |
242 | // Set description string for SATA harddisks, Harddisk 0 ~ Harddisk 11\r | |
243 | //\r | |
244 | if (Index >= 5 && Index <= 16 && (CurBBSEntry->DeviceType == BBS_HARDDISK || CurBBSEntry->DeviceType == BBS_CDROM)) {\r | |
245 | Fmt = L"%s %d";\r | |
246 | UnicodeSPrint (BootString, BufSize, Fmt, Type, Index - 5);\r | |
247 | } else {\r | |
248 | UnicodeSPrint (BootString, BufSize, Fmt, Type);\r | |
249 | }\r | |
250 | }\r | |
251 | \r | |
252 | /**\r | |
253 | \r | |
254 | Create a legacy boot option for the specified entry of\r | |
255 | BBS table, save it as variable, and append it to the boot\r | |
256 | order list.\r | |
257 | \r | |
258 | \r | |
259 | @param CurrentBbsEntry Pointer to current BBS table.\r | |
260 | @param CurrentBbsDevPath Pointer to the Device Path Protocol instance of BBS\r | |
261 | @param Index Index of the specified entry in BBS table.\r | |
262 | @param BootOrderList On input, the original boot order list.\r | |
263 | On output, the new boot order list attached with the\r | |
264 | created node.\r | |
265 | @param BootOrderListSize On input, the original size of boot order list.\r | |
266 | On output, the size of new boot order list.\r | |
267 | \r | |
268 | @retval EFI_SUCCESS Boot Option successfully created.\r | |
269 | @retval EFI_OUT_OF_RESOURCES Fail to allocate necessary memory.\r | |
270 | @retval Other Error occurs while setting variable.\r | |
271 | \r | |
272 | **/\r | |
273 | EFI_STATUS\r | |
274 | BdsCreateLegacyBootOption (\r | |
275 | IN BBS_TABLE *CurrentBbsEntry,\r | |
276 | IN EFI_DEVICE_PATH_PROTOCOL *CurrentBbsDevPath,\r | |
277 | IN UINTN Index,\r | |
278 | IN OUT UINT16 **BootOrderList,\r | |
279 | IN OUT UINTN *BootOrderListSize\r | |
280 | )\r | |
281 | {\r | |
282 | EFI_STATUS Status;\r | |
283 | UINT16 CurrentBootOptionNo;\r | |
284 | UINT16 BootString[10];\r | |
285 | CHAR16 BootDesc[100];\r | |
286 | CHAR8 HelpString[100];\r | |
287 | UINT16 *NewBootOrderList;\r | |
288 | UINTN BufferSize;\r | |
289 | UINTN StringLen;\r | |
290 | VOID *Buffer;\r | |
291 | UINT8 *Ptr;\r | |
292 | UINT16 CurrentBbsDevPathSize;\r | |
293 | UINTN BootOrderIndex;\r | |
294 | UINTN BootOrderLastIndex;\r | |
295 | UINTN ArrayIndex;\r | |
296 | BOOLEAN IndexNotFound;\r | |
297 | BBS_BBS_DEVICE_PATH *NewBbsDevPathNode;\r | |
298 | \r | |
299 | if ((*BootOrderList) == NULL) {\r | |
300 | CurrentBootOptionNo = 0;\r | |
301 | } else {\r | |
302 | for (ArrayIndex = 0; ArrayIndex < (UINTN) (*BootOrderListSize / sizeof (UINT16)); ArrayIndex++) {\r | |
303 | IndexNotFound = TRUE;\r | |
304 | for (BootOrderIndex = 0; BootOrderIndex < (UINTN) (*BootOrderListSize / sizeof (UINT16)); BootOrderIndex++) {\r | |
305 | if ((*BootOrderList)[BootOrderIndex] == ArrayIndex) {\r | |
306 | IndexNotFound = FALSE;\r | |
307 | break;\r | |
308 | }\r | |
309 | }\r | |
310 | \r | |
311 | if (!IndexNotFound) {\r | |
312 | continue;\r | |
313 | } else {\r | |
314 | break;\r | |
315 | }\r | |
316 | }\r | |
317 | \r | |
318 | CurrentBootOptionNo = (UINT16) ArrayIndex;\r | |
319 | }\r | |
320 | \r | |
321 | UnicodeSPrint (\r | |
322 | BootString,\r | |
323 | sizeof (BootString),\r | |
324 | L"Boot%04x",\r | |
325 | CurrentBootOptionNo\r | |
326 | );\r | |
327 | \r | |
328 | BdsBuildLegacyDevNameString (CurrentBbsEntry, Index, sizeof (BootDesc), BootDesc);\r | |
329 | \r | |
330 | //\r | |
331 | // Create new BBS device path node with description string\r | |
332 | //\r | |
333 | UnicodeStrToAsciiStr (BootDesc, HelpString);\r | |
334 | \r | |
335 | StringLen = AsciiStrLen (HelpString);\r | |
336 | NewBbsDevPathNode = AllocateZeroPool (sizeof (BBS_BBS_DEVICE_PATH) + StringLen);\r | |
337 | if (NewBbsDevPathNode == NULL) {\r | |
338 | return EFI_OUT_OF_RESOURCES;\r | |
339 | }\r | |
340 | CopyMem (NewBbsDevPathNode, CurrentBbsDevPath, sizeof (BBS_BBS_DEVICE_PATH));\r | |
341 | CopyMem (NewBbsDevPathNode->String, HelpString, StringLen + 1);\r | |
342 | SetDevicePathNodeLength (&(NewBbsDevPathNode->Header), sizeof (BBS_BBS_DEVICE_PATH) + StringLen);\r | |
343 | \r | |
344 | //\r | |
345 | // Create entire new CurrentBbsDevPath with end node\r | |
346 | //\r | |
347 | CurrentBbsDevPath = AppendDevicePathNode (\r | |
348 | NULL,\r | |
349 | (EFI_DEVICE_PATH_PROTOCOL *) NewBbsDevPathNode\r | |
350 | );\r | |
351 | if (CurrentBbsDevPath == NULL) {\r | |
352 | FreePool (NewBbsDevPathNode);\r | |
353 | return EFI_OUT_OF_RESOURCES;\r | |
354 | }\r | |
355 | \r | |
356 | CurrentBbsDevPathSize = (UINT16) (GetDevicePathSize (CurrentBbsDevPath));\r | |
357 | \r | |
358 | BufferSize = sizeof (UINT32) +\r | |
359 | sizeof (UINT16) +\r | |
360 | StrSize (BootDesc) +\r | |
361 | CurrentBbsDevPathSize +\r | |
362 | sizeof (BBS_TABLE) +\r | |
363 | sizeof (UINT16);\r | |
364 | \r | |
365 | Buffer = AllocateZeroPool (BufferSize);\r | |
366 | if (Buffer == NULL) {\r | |
367 | FreePool (NewBbsDevPathNode);\r | |
368 | FreePool (CurrentBbsDevPath);\r | |
369 | return EFI_OUT_OF_RESOURCES;\r | |
370 | }\r | |
371 | \r | |
372 | Ptr = (UINT8 *) Buffer;\r | |
373 | \r | |
374 | *((UINT32 *) Ptr) = LOAD_OPTION_ACTIVE;\r | |
375 | Ptr += sizeof (UINT32);\r | |
376 | \r | |
377 | *((UINT16 *) Ptr) = CurrentBbsDevPathSize;\r | |
378 | Ptr += sizeof (UINT16);\r | |
379 | \r | |
380 | CopyMem (\r | |
381 | Ptr,\r | |
382 | BootDesc,\r | |
383 | StrSize (BootDesc)\r | |
384 | );\r | |
385 | Ptr += StrSize (BootDesc);\r | |
386 | \r | |
387 | CopyMem (\r | |
388 | Ptr,\r | |
389 | CurrentBbsDevPath,\r | |
390 | CurrentBbsDevPathSize\r | |
391 | );\r | |
392 | Ptr += CurrentBbsDevPathSize;\r | |
393 | \r | |
394 | CopyMem (\r | |
395 | Ptr,\r | |
396 | CurrentBbsEntry,\r | |
397 | sizeof (BBS_TABLE)\r | |
398 | );\r | |
399 | \r | |
400 | Ptr += sizeof (BBS_TABLE);\r | |
401 | *((UINT16 *) Ptr) = (UINT16) Index;\r | |
402 | \r | |
403 | Status = gRT->SetVariable (\r | |
404 | BootString,\r | |
405 | &gEfiGlobalVariableGuid,\r | |
406 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,\r | |
407 | BufferSize,\r | |
408 | Buffer\r | |
409 | );\r | |
410 | \r | |
411 | FreePool (Buffer);\r | |
412 | \r | |
413 | Buffer = NULL;\r | |
414 | \r | |
415 | NewBootOrderList = AllocateZeroPool (*BootOrderListSize + sizeof (UINT16));\r | |
416 | if (NULL == NewBootOrderList) {\r | |
417 | FreePool (NewBbsDevPathNode);\r | |
418 | FreePool (CurrentBbsDevPath);\r | |
419 | return EFI_OUT_OF_RESOURCES;\r | |
420 | }\r | |
421 | \r | |
422 | if (*BootOrderList != NULL) {\r | |
423 | CopyMem (NewBootOrderList, *BootOrderList, *BootOrderListSize);\r | |
424 | FreePool (*BootOrderList);\r | |
425 | }\r | |
426 | \r | |
427 | BootOrderLastIndex = (UINTN) (*BootOrderListSize / sizeof (UINT16));\r | |
428 | NewBootOrderList[BootOrderLastIndex] = CurrentBootOptionNo;\r | |
429 | *BootOrderListSize += sizeof (UINT16);\r | |
430 | *BootOrderList = NewBootOrderList;\r | |
431 | \r | |
432 | FreePool (NewBbsDevPathNode);\r | |
433 | FreePool (CurrentBbsDevPath);\r | |
434 | return Status;\r | |
435 | }\r | |
436 | \r | |
437 | /**\r | |
438 | Check if the boot option is a legacy one.\r | |
439 | \r | |
440 | @param BootOptionVar The boot option data payload.\r | |
441 | @param BbsEntry The BBS Table.\r | |
442 | @param BbsIndex The table index.\r | |
443 | \r | |
444 | @retval TRUE It is a legacy boot option.\r | |
445 | @retval FALSE It is not a legacy boot option.\r | |
446 | \r | |
447 | **/\r | |
448 | BOOLEAN\r | |
449 | BdsIsLegacyBootOption (\r | |
450 | IN UINT8 *BootOptionVar,\r | |
451 | OUT BBS_TABLE **BbsEntry,\r | |
452 | OUT UINT16 *BbsIndex\r | |
453 | )\r | |
454 | {\r | |
455 | UINT8 *Ptr;\r | |
456 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
457 | BOOLEAN Ret;\r | |
458 | UINT16 DevPathLen;\r | |
459 | \r | |
460 | Ptr = BootOptionVar;\r | |
461 | Ptr += sizeof (UINT32);\r | |
462 | DevPathLen = *(UINT16 *) Ptr;\r | |
463 | Ptr += sizeof (UINT16);\r | |
464 | Ptr += StrSize ((UINT16 *) Ptr);\r | |
465 | DevicePath = (EFI_DEVICE_PATH_PROTOCOL *) Ptr;\r | |
466 | if ((BBS_DEVICE_PATH == DevicePath->Type) && (BBS_BBS_DP == DevicePath->SubType)) {\r | |
467 | Ptr += DevPathLen;\r | |
468 | *BbsEntry = (BBS_TABLE *) Ptr;\r | |
469 | Ptr += sizeof (BBS_TABLE);\r | |
470 | *BbsIndex = *(UINT16 *) Ptr;\r | |
471 | Ret = TRUE;\r | |
472 | } else {\r | |
473 | *BbsEntry = NULL;\r | |
474 | Ret = FALSE;\r | |
475 | }\r | |
476 | \r | |
477 | return Ret;\r | |
478 | }\r | |
479 | \r | |
480 | /**\r | |
481 | Delete all the invalid legacy boot options.\r | |
482 | \r | |
483 | @retval EFI_SUCCESS All invalide legacy boot options are deleted.\r | |
484 | @retval EFI_OUT_OF_RESOURCES Fail to allocate necessary memory.\r | |
485 | @retval EFI_NOT_FOUND Fail to retrive variable of boot order.\r | |
486 | **/\r | |
487 | EFI_STATUS\r | |
488 | EFIAPI\r | |
489 | BdsDeleteAllInvalidLegacyBootOptions (\r | |
490 | VOID\r | |
491 | )\r | |
492 | {\r | |
493 | UINT16 *BootOrder;\r | |
494 | UINT8 *BootOptionVar;\r | |
495 | UINTN BootOrderSize;\r | |
496 | UINTN BootOptionSize;\r | |
497 | EFI_STATUS Status;\r | |
498 | UINT16 HddCount;\r | |
499 | UINT16 BbsCount;\r | |
500 | HDD_INFO *LocalHddInfo;\r | |
501 | BBS_TABLE *LocalBbsTable;\r | |
502 | BBS_TABLE *BbsEntry;\r | |
503 | UINT16 BbsIndex;\r | |
504 | EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;\r | |
505 | UINTN Index;\r | |
506 | UINT16 BootOption[10];\r | |
507 | UINT16 BootDesc[100];\r | |
508 | BOOLEAN DescStringMatch;\r | |
509 | \r | |
510 | Status = EFI_SUCCESS;\r | |
511 | BootOrder = NULL;\r | |
512 | BootOrderSize = 0;\r | |
513 | HddCount = 0;\r | |
514 | BbsCount = 0;\r | |
515 | LocalHddInfo = NULL;\r | |
516 | LocalBbsTable = NULL;\r | |
517 | BbsEntry = NULL;\r | |
518 | \r | |
519 | Status = gBS->LocateProtocol (&gEfiLegacyBiosProtocolGuid, NULL, (VOID **) &LegacyBios);\r | |
520 | if (EFI_ERROR (Status)) {\r | |
521 | return Status;\r | |
522 | }\r | |
523 | \r | |
524 | BootOrder = BdsLibGetVariableAndSize (\r | |
525 | L"BootOrder",\r | |
526 | &gEfiGlobalVariableGuid,\r | |
527 | &BootOrderSize\r | |
528 | );\r | |
529 | if (BootOrder == NULL) {\r | |
530 | return EFI_NOT_FOUND;\r | |
531 | }\r | |
532 | \r | |
533 | LegacyBios->GetBbsInfo (\r | |
534 | LegacyBios,\r | |
535 | &HddCount,\r | |
536 | &LocalHddInfo,\r | |
537 | &BbsCount,\r | |
538 | &LocalBbsTable\r | |
539 | );\r | |
540 | \r | |
541 | Index = 0;\r | |
542 | while (Index < BootOrderSize / sizeof (UINT16)) {\r | |
543 | UnicodeSPrint (BootOption, sizeof (BootOption), L"Boot%04x", BootOrder[Index]);\r | |
544 | BootOptionVar = BdsLibGetVariableAndSize (\r | |
545 | BootOption,\r | |
546 | &gEfiGlobalVariableGuid,\r | |
547 | &BootOptionSize\r | |
548 | );\r | |
549 | if (NULL == BootOptionVar) {\r | |
550 | BootOptionSize = 0;\r | |
551 | Status = gRT->GetVariable (\r | |
552 | BootOption,\r | |
553 | &gEfiGlobalVariableGuid,\r | |
554 | NULL,\r | |
555 | &BootOptionSize,\r | |
556 | BootOptionVar\r | |
557 | );\r | |
558 | if (Status == EFI_NOT_FOUND) {\r | |
559 | //\r | |
560 | // Update BootOrder\r | |
561 | //\r | |
562 | BdsDeleteBootOption (\r | |
563 | BootOrder[Index],\r | |
564 | BootOrder,\r | |
565 | &BootOrderSize\r | |
566 | );\r | |
567 | continue;\r | |
568 | } else {\r | |
569 | FreePool (BootOrder);\r | |
570 | return EFI_OUT_OF_RESOURCES;\r | |
571 | }\r | |
572 | }\r | |
573 | \r | |
574 | //\r | |
575 | // Skip Non-Legacy boot option\r | |
576 | // \r | |
577 | if (!BdsIsLegacyBootOption (BootOptionVar, &BbsEntry, &BbsIndex)) {\r | |
578 | if (BootOptionVar!= NULL) {\r | |
579 | FreePool (BootOptionVar);\r | |
580 | }\r | |
581 | Index++;\r | |
582 | continue;\r | |
583 | }\r | |
584 | \r | |
585 | if (BbsIndex < BbsCount) {\r | |
586 | //\r | |
587 | // Check if BBS Description String is changed\r | |
588 | //\r | |
589 | DescStringMatch = FALSE;\r | |
590 | BdsBuildLegacyDevNameString (\r | |
591 | &LocalBbsTable[BbsIndex],\r | |
592 | BbsIndex,\r | |
593 | sizeof (BootDesc),\r | |
594 | BootDesc\r | |
595 | );\r | |
596 | \r | |
597 | if (StrCmp (BootDesc, (UINT16*)(BootOptionVar + sizeof (UINT32) + sizeof (UINT16))) == 0) {\r | |
598 | DescStringMatch = TRUE;\r | |
599 | }\r | |
600 | \r | |
601 | if (!((LocalBbsTable[BbsIndex].BootPriority == BBS_IGNORE_ENTRY) ||\r | |
602 | (LocalBbsTable[BbsIndex].BootPriority == BBS_DO_NOT_BOOT_FROM)) &&\r | |
603 | (LocalBbsTable[BbsIndex].DeviceType == BbsEntry->DeviceType) &&\r | |
604 | DescStringMatch) {\r | |
605 | Index++;\r | |
606 | continue;\r | |
607 | }\r | |
608 | }\r | |
609 | \r | |
610 | if (BootOptionVar != NULL) {\r | |
611 | FreePool (BootOptionVar);\r | |
612 | }\r | |
613 | //\r | |
614 | // should delete\r | |
615 | //\r | |
616 | BdsDeleteBootOption (\r | |
617 | BootOrder[Index],\r | |
618 | BootOrder,\r | |
619 | &BootOrderSize\r | |
620 | );\r | |
621 | }\r | |
622 | \r | |
623 | //\r | |
624 | // Adjust the number of boot options.\r | |
625 | //\r | |
626 | Status = gRT->SetVariable (\r | |
627 | L"BootOrder",\r | |
628 | &gEfiGlobalVariableGuid,\r | |
629 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,\r | |
630 | BootOrderSize,\r | |
631 | BootOrder\r | |
632 | );\r | |
633 | //\r | |
634 | // Shrinking variable with existing variable implementation shouldn't fail.\r | |
635 | //\r | |
636 | ASSERT_EFI_ERROR (Status);\r | |
637 | FreePool (BootOrder);\r | |
638 | \r | |
639 | return Status;\r | |
640 | }\r | |
641 | \r | |
642 | /**\r | |
643 | Find all legacy boot option by device type.\r | |
644 | \r | |
645 | @param BootOrder The boot order array.\r | |
646 | @param BootOptionNum The number of boot option.\r | |
647 | @param DevType Device type.\r | |
648 | @param DevName Device name.\r | |
649 | @param Attribute The boot option attribute.\r | |
650 | @param BbsIndex The BBS table index.\r | |
651 | @param OptionNumber The boot option index.\r | |
652 | \r | |
653 | @retval TRUE The Legacy boot option is found.\r | |
654 | @retval FALSE The legacy boot option is not found.\r | |
655 | \r | |
656 | **/\r | |
657 | BOOLEAN\r | |
658 | BdsFindLegacyBootOptionByDevTypeAndName (\r | |
659 | IN UINT16 *BootOrder,\r | |
660 | IN UINTN BootOptionNum,\r | |
661 | IN UINT16 DevType,\r | |
662 | IN CHAR16 *DevName,\r | |
663 | OUT UINT32 *Attribute,\r | |
664 | OUT UINT16 *BbsIndex,\r | |
665 | OUT UINT16 *OptionNumber\r | |
666 | )\r | |
667 | {\r | |
668 | UINTN Index;\r | |
669 | CHAR16 BootOption[9];\r | |
670 | UINTN BootOptionSize;\r | |
671 | UINT8 *BootOptionVar;\r | |
672 | BBS_TABLE *BbsEntry;\r | |
673 | BOOLEAN Found;\r | |
674 | \r | |
675 | BbsEntry = NULL;\r | |
676 | Found = FALSE;\r | |
677 | \r | |
678 | if (NULL == BootOrder) {\r | |
679 | return Found;\r | |
680 | }\r | |
681 | \r | |
682 | //\r | |
683 | // Loop all boot option from variable\r | |
684 | //\r | |
685 | for (Index = 0; Index < BootOptionNum; Index++) {\r | |
686 | UnicodeSPrint (BootOption, sizeof (BootOption), L"Boot%04x", (UINTN) BootOrder[Index]);\r | |
687 | BootOptionVar = BdsLibGetVariableAndSize (\r | |
688 | BootOption,\r | |
689 | &gEfiGlobalVariableGuid,\r | |
690 | &BootOptionSize\r | |
691 | );\r | |
692 | if (NULL == BootOptionVar) {\r | |
693 | continue;\r | |
694 | }\r | |
695 | \r | |
696 | //\r | |
697 | // Skip Non-legacy boot option\r | |
698 | //\r | |
699 | if (!BdsIsLegacyBootOption (BootOptionVar, &BbsEntry, BbsIndex)) {\r | |
700 | FreePool (BootOptionVar);\r | |
701 | continue;\r | |
702 | }\r | |
703 | \r | |
704 | if (\r | |
705 | (BbsEntry->DeviceType != DevType) ||\r | |
706 | (StrCmp (DevName, (CHAR16*)(BootOptionVar + sizeof (UINT32) + sizeof (UINT16))) != 0)\r | |
707 | ) {\r | |
708 | FreePool (BootOptionVar);\r | |
709 | continue;\r | |
710 | }\r | |
711 | \r | |
712 | *Attribute = *(UINT32 *) BootOptionVar;\r | |
713 | *OptionNumber = BootOrder[Index];\r | |
714 | Found = TRUE;\r | |
715 | FreePool (BootOptionVar);\r | |
716 | break;\r | |
717 | }\r | |
718 | \r | |
719 | return Found;\r | |
720 | }\r | |
721 | \r | |
722 | /**\r | |
723 | Create a legacy boot option.\r | |
724 | \r | |
725 | @param BbsItem The BBS Table entry.\r | |
726 | @param Index Index of the specified entry in BBS table.\r | |
727 | @param BootOrderList The boot order list.\r | |
728 | @param BootOrderListSize The size of boot order list.\r | |
729 | \r | |
730 | @retval EFI_OUT_OF_RESOURCE No enough memory.\r | |
731 | @retval EFI_SUCCESS The function complete successfully.\r | |
732 | @return Other value if the legacy boot option is not created.\r | |
733 | \r | |
734 | **/\r | |
735 | EFI_STATUS\r | |
736 | BdsCreateOneLegacyBootOption (\r | |
737 | IN BBS_TABLE *BbsItem,\r | |
738 | IN UINTN Index,\r | |
739 | IN OUT UINT16 **BootOrderList,\r | |
740 | IN OUT UINTN *BootOrderListSize\r | |
741 | )\r | |
742 | {\r | |
743 | BBS_BBS_DEVICE_PATH BbsDevPathNode;\r | |
744 | EFI_STATUS Status;\r | |
745 | EFI_DEVICE_PATH_PROTOCOL *DevPath;\r | |
746 | \r | |
747 | DevPath = NULL;\r | |
748 | \r | |
749 | //\r | |
750 | // Create device path node.\r | |
751 | //\r | |
752 | BbsDevPathNode.Header.Type = BBS_DEVICE_PATH;\r | |
753 | BbsDevPathNode.Header.SubType = BBS_BBS_DP;\r | |
754 | SetDevicePathNodeLength (&BbsDevPathNode.Header, sizeof (BBS_BBS_DEVICE_PATH));\r | |
755 | BbsDevPathNode.DeviceType = BbsItem->DeviceType;\r | |
756 | CopyMem (&BbsDevPathNode.StatusFlag, &BbsItem->StatusFlags, sizeof (UINT16));\r | |
757 | \r | |
758 | DevPath = AppendDevicePathNode (\r | |
759 | NULL,\r | |
760 | (EFI_DEVICE_PATH_PROTOCOL *) &BbsDevPathNode\r | |
761 | );\r | |
762 | if (NULL == DevPath) {\r | |
763 | return EFI_OUT_OF_RESOURCES;\r | |
764 | }\r | |
765 | \r | |
766 | Status = BdsCreateLegacyBootOption (\r | |
767 | BbsItem,\r | |
768 | DevPath,\r | |
769 | Index,\r | |
770 | BootOrderList,\r | |
771 | BootOrderListSize\r | |
772 | );\r | |
773 | BbsItem->BootPriority = 0x00;\r | |
774 | \r | |
775 | FreePool (DevPath);\r | |
776 | \r | |
777 | return Status;\r | |
778 | }\r | |
779 | \r | |
780 | /**\r | |
781 | Add the legacy boot options from BBS table if they do not exist.\r | |
782 | \r | |
783 | @retval EFI_SUCCESS The boot options are added successfully \r | |
784 | or they are already in boot options.\r | |
785 | @retval EFI_NOT_FOUND No legacy boot options is found.\r | |
786 | @retval EFI_OUT_OF_RESOURCE No enough memory.\r | |
787 | @return Other value LegacyBoot options are not added.\r | |
788 | **/\r | |
789 | EFI_STATUS\r | |
790 | EFIAPI\r | |
791 | BdsAddNonExistingLegacyBootOptions (\r | |
792 | VOID\r | |
793 | )\r | |
794 | {\r | |
795 | UINT16 *BootOrder;\r | |
796 | UINTN BootOrderSize;\r | |
797 | EFI_STATUS Status;\r | |
798 | CHAR16 Desc[100];\r | |
799 | UINT16 HddCount;\r | |
800 | UINT16 BbsCount;\r | |
801 | HDD_INFO *LocalHddInfo;\r | |
802 | BBS_TABLE *LocalBbsTable;\r | |
803 | UINT16 BbsIndex;\r | |
804 | EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;\r | |
805 | UINT16 Index;\r | |
806 | UINT32 Attribute;\r | |
807 | UINT16 OptionNumber;\r | |
808 | BOOLEAN Exist;\r | |
809 | \r | |
810 | HddCount = 0;\r | |
811 | BbsCount = 0;\r | |
812 | LocalHddInfo = NULL;\r | |
813 | LocalBbsTable = NULL;\r | |
814 | \r | |
815 | Status = gBS->LocateProtocol (&gEfiLegacyBiosProtocolGuid, NULL, (VOID **) &LegacyBios);\r | |
816 | if (EFI_ERROR (Status)) {\r | |
817 | return Status;\r | |
818 | }\r | |
819 | \r | |
820 | LegacyBios->GetBbsInfo (\r | |
821 | LegacyBios,\r | |
822 | &HddCount,\r | |
823 | &LocalHddInfo,\r | |
824 | &BbsCount,\r | |
825 | &LocalBbsTable\r | |
826 | );\r | |
827 | \r | |
828 | BootOrder = BdsLibGetVariableAndSize (\r | |
829 | L"BootOrder",\r | |
830 | &gEfiGlobalVariableGuid,\r | |
831 | &BootOrderSize\r | |
832 | );\r | |
833 | if (BootOrder == NULL) {\r | |
834 | BootOrderSize = 0;\r | |
835 | }\r | |
836 | \r | |
837 | for (Index = 0; Index < BbsCount; Index++) {\r | |
838 | if ((LocalBbsTable[Index].BootPriority == BBS_IGNORE_ENTRY) ||\r | |
839 | (LocalBbsTable[Index].BootPriority == BBS_DO_NOT_BOOT_FROM)\r | |
840 | ) {\r | |
841 | continue;\r | |
842 | }\r | |
843 | \r | |
844 | BdsBuildLegacyDevNameString (&LocalBbsTable[Index], Index, sizeof (Desc), Desc);\r | |
845 | \r | |
846 | Exist = BdsFindLegacyBootOptionByDevTypeAndName (\r | |
847 | BootOrder,\r | |
848 | BootOrderSize / sizeof (UINT16),\r | |
849 | LocalBbsTable[Index].DeviceType,\r | |
850 | Desc,\r | |
851 | &Attribute,\r | |
852 | &BbsIndex,\r | |
853 | &OptionNumber\r | |
854 | );\r | |
855 | if (!Exist) {\r | |
856 | //\r | |
857 | // Not found such type of legacy device in boot options or we found but it's disabled\r | |
858 | // so we have to create one and put it to the tail of boot order list\r | |
859 | //\r | |
860 | Status = BdsCreateOneLegacyBootOption (\r | |
861 | &LocalBbsTable[Index],\r | |
862 | Index,\r | |
863 | &BootOrder,\r | |
864 | &BootOrderSize\r | |
865 | );\r | |
866 | if (!EFI_ERROR (Status)) {\r | |
867 | ASSERT (BootOrder != NULL);\r | |
868 | BbsIndex = Index;\r | |
869 | OptionNumber = BootOrder[BootOrderSize / sizeof (UINT16) - 1];\r | |
870 | }\r | |
871 | }\r | |
872 | \r | |
873 | ASSERT (BbsIndex == Index);\r | |
874 | }\r | |
875 | \r | |
876 | Status = gRT->SetVariable (\r | |
877 | L"BootOrder",\r | |
878 | &gEfiGlobalVariableGuid,\r | |
879 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,\r | |
880 | BootOrderSize,\r | |
881 | BootOrder\r | |
882 | );\r | |
883 | if (BootOrder != NULL) {\r | |
884 | FreePool (BootOrder);\r | |
885 | }\r | |
886 | \r | |
887 | return Status;\r | |
888 | }\r | |
889 | \r | |
890 | /**\r | |
891 | Fill the device order buffer.\r | |
892 | \r | |
893 | @param BbsTable The BBS table.\r | |
894 | @param BbsType The BBS Type.\r | |
895 | @param BbsCount The BBS Count.\r | |
896 | @param Buf device order buffer.\r | |
897 | \r | |
898 | @return The device order buffer.\r | |
899 | \r | |
900 | **/\r | |
901 | UINT16 *\r | |
902 | BdsFillDevOrderBuf (\r | |
903 | IN BBS_TABLE *BbsTable,\r | |
904 | IN BBS_TYPE BbsType,\r | |
905 | IN UINTN BbsCount,\r | |
906 | OUT UINT16 *Buf\r | |
907 | )\r | |
908 | {\r | |
909 | UINTN Index;\r | |
910 | \r | |
911 | for (Index = 0; Index < BbsCount; Index++) {\r | |
912 | if (BbsTable[Index].BootPriority == BBS_IGNORE_ENTRY) {\r | |
913 | continue;\r | |
914 | }\r | |
915 | \r | |
916 | if (BbsTable[Index].DeviceType != BbsType) {\r | |
917 | continue;\r | |
918 | }\r | |
919 | \r | |
920 | *Buf = (UINT16) (Index & 0xFF);\r | |
921 | Buf++;\r | |
922 | }\r | |
923 | \r | |
924 | return Buf;\r | |
925 | }\r | |
926 | \r | |
927 | /**\r | |
928 | Create the device order buffer.\r | |
929 | \r | |
930 | @param BbsTable The BBS table.\r | |
931 | @param BbsCount The BBS Count.\r | |
932 | \r | |
933 | @retval EFI_SUCCES The buffer is created and the EFI variable named \r | |
934 | VAR_LEGACY_DEV_ORDER and gEfiLegacyDevOrderVariableGuid is\r | |
935 | set correctly.\r | |
936 | @retval EFI_OUT_OF_RESOURCES Memmory or storage is not enough.\r | |
937 | @retval EFI_DEVICE_ERROR Fail to add the device order into EFI variable fail\r | |
938 | because of hardware error.\r | |
939 | **/\r | |
940 | EFI_STATUS\r | |
941 | BdsCreateDevOrder (\r | |
942 | IN BBS_TABLE *BbsTable,\r | |
943 | IN UINT16 BbsCount\r | |
944 | )\r | |
945 | {\r | |
946 | UINTN Index;\r | |
947 | UINTN FDCount;\r | |
948 | UINTN HDCount;\r | |
949 | UINTN CDCount;\r | |
950 | UINTN NETCount;\r | |
951 | UINTN BEVCount;\r | |
952 | UINTN TotalSize;\r | |
953 | UINTN HeaderSize;\r | |
954 | LEGACY_DEV_ORDER_ENTRY *DevOrder;\r | |
955 | LEGACY_DEV_ORDER_ENTRY *DevOrderPtr;\r | |
956 | EFI_STATUS Status;\r | |
957 | \r | |
958 | FDCount = 0;\r | |
959 | HDCount = 0;\r | |
960 | CDCount = 0;\r | |
961 | NETCount = 0;\r | |
962 | BEVCount = 0;\r | |
963 | TotalSize = 0;\r | |
964 | HeaderSize = sizeof (BBS_TYPE) + sizeof (UINT16);\r | |
965 | DevOrder = NULL;\r | |
966 | Status = EFI_SUCCESS;\r | |
967 | \r | |
968 | //\r | |
969 | // Count all boot devices\r | |
970 | //\r | |
971 | for (Index = 0; Index < BbsCount; Index++) {\r | |
972 | if (BbsTable[Index].BootPriority == BBS_IGNORE_ENTRY) {\r | |
973 | continue;\r | |
974 | }\r | |
975 | \r | |
976 | switch (BbsTable[Index].DeviceType) {\r | |
977 | case BBS_FLOPPY:\r | |
978 | FDCount++;\r | |
979 | break;\r | |
980 | \r | |
981 | case BBS_HARDDISK:\r | |
982 | HDCount++;\r | |
983 | break;\r | |
984 | \r | |
985 | case BBS_CDROM:\r | |
986 | CDCount++;\r | |
987 | break;\r | |
988 | \r | |
989 | case BBS_EMBED_NETWORK:\r | |
990 | NETCount++;\r | |
991 | break;\r | |
992 | \r | |
993 | case BBS_BEV_DEVICE:\r | |
994 | BEVCount++;\r | |
995 | break;\r | |
996 | \r | |
997 | default:\r | |
998 | break;\r | |
999 | }\r | |
1000 | }\r | |
1001 | \r | |
1002 | TotalSize += (HeaderSize + sizeof (UINT16) * FDCount);\r | |
1003 | TotalSize += (HeaderSize + sizeof (UINT16) * HDCount);\r | |
1004 | TotalSize += (HeaderSize + sizeof (UINT16) * CDCount);\r | |
1005 | TotalSize += (HeaderSize + sizeof (UINT16) * NETCount);\r | |
1006 | TotalSize += (HeaderSize + sizeof (UINT16) * BEVCount);\r | |
1007 | \r | |
1008 | //\r | |
1009 | // Create buffer to hold all boot device order\r | |
1010 | //\r | |
1011 | DevOrder = AllocateZeroPool (TotalSize);\r | |
1012 | if (NULL == DevOrder) {\r | |
1013 | return EFI_OUT_OF_RESOURCES;\r | |
1014 | }\r | |
1015 | DevOrderPtr = DevOrder;\r | |
1016 | \r | |
1017 | DevOrderPtr->BbsType = BBS_FLOPPY;\r | |
1018 | DevOrderPtr->Length = (UINT16) (sizeof (DevOrderPtr->Length) + FDCount * sizeof (UINT16));\r | |
1019 | DevOrderPtr = (LEGACY_DEV_ORDER_ENTRY *) BdsFillDevOrderBuf (BbsTable, BBS_FLOPPY, BbsCount, DevOrderPtr->Data);\r | |
1020 | \r | |
1021 | DevOrderPtr->BbsType = BBS_HARDDISK;\r | |
1022 | DevOrderPtr->Length = (UINT16) (sizeof (UINT16) + HDCount * sizeof (UINT16));\r | |
1023 | DevOrderPtr = (LEGACY_DEV_ORDER_ENTRY *) BdsFillDevOrderBuf (BbsTable, BBS_HARDDISK, BbsCount, DevOrderPtr->Data);\r | |
1024 | \r | |
1025 | DevOrderPtr->BbsType = BBS_CDROM;\r | |
1026 | DevOrderPtr->Length = (UINT16) (sizeof (UINT16) + CDCount * sizeof (UINT16));\r | |
1027 | DevOrderPtr = (LEGACY_DEV_ORDER_ENTRY *) BdsFillDevOrderBuf (BbsTable, BBS_CDROM, BbsCount, DevOrderPtr->Data);\r | |
1028 | \r | |
1029 | DevOrderPtr->BbsType = BBS_EMBED_NETWORK;\r | |
1030 | DevOrderPtr->Length = (UINT16) (sizeof (UINT16) + NETCount * sizeof (UINT16));\r | |
1031 | DevOrderPtr = (LEGACY_DEV_ORDER_ENTRY *) BdsFillDevOrderBuf (BbsTable, BBS_EMBED_NETWORK, BbsCount, DevOrderPtr->Data);\r | |
1032 | \r | |
1033 | DevOrderPtr->BbsType = BBS_BEV_DEVICE;\r | |
1034 | DevOrderPtr->Length = (UINT16) (sizeof (UINT16) + BEVCount * sizeof (UINT16));\r | |
1035 | DevOrderPtr = (LEGACY_DEV_ORDER_ENTRY *) BdsFillDevOrderBuf (BbsTable, BBS_BEV_DEVICE, BbsCount, DevOrderPtr->Data);\r | |
1036 | \r | |
1037 | ASSERT (TotalSize == (UINTN) ((UINT8 *) DevOrderPtr - (UINT8 *) DevOrder));\r | |
1038 | \r | |
1039 | //\r | |
1040 | // Save device order for legacy boot device to variable.\r | |
1041 | //\r | |
1042 | Status = gRT->SetVariable (\r | |
1043 | VAR_LEGACY_DEV_ORDER,\r | |
1044 | &gEfiLegacyDevOrderVariableGuid,\r | |
1045 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,\r | |
1046 | TotalSize,\r | |
1047 | DevOrder\r | |
1048 | );\r | |
1049 | FreePool (DevOrder);\r | |
1050 | \r | |
1051 | return Status;\r | |
1052 | }\r | |
1053 | \r | |
1054 | /**\r | |
1055 | Add the legacy boot devices from BBS table into \r | |
1056 | the legacy device boot order.\r | |
1057 | \r | |
1058 | @retval EFI_SUCCESS The boot devices are added successfully.\r | |
1059 | @retval EFI_NOT_FOUND The legacy boot devices are not found.\r | |
1060 | @retval EFI_OUT_OF_RESOURCES Memmory or storage is not enough.\r | |
1061 | @retval EFI_DEVICE_ERROR Fail to add the legacy device boot order into EFI variable\r | |
1062 | because of hardware error.\r | |
1063 | **/\r | |
1064 | EFI_STATUS\r | |
1065 | EFIAPI\r | |
1066 | BdsUpdateLegacyDevOrder (\r | |
1067 | VOID\r | |
1068 | )\r | |
1069 | {\r | |
1070 | LEGACY_DEV_ORDER_ENTRY *DevOrder;\r | |
1071 | LEGACY_DEV_ORDER_ENTRY *NewDevOrder;\r | |
1072 | LEGACY_DEV_ORDER_ENTRY *Ptr;\r | |
1073 | LEGACY_DEV_ORDER_ENTRY *NewPtr;\r | |
1074 | UINTN DevOrderSize;\r | |
1075 | EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;\r | |
1076 | EFI_STATUS Status;\r | |
1077 | UINT16 HddCount;\r | |
1078 | UINT16 BbsCount;\r | |
1079 | HDD_INFO *LocalHddInfo;\r | |
1080 | BBS_TABLE *LocalBbsTable;\r | |
1081 | UINTN Index;\r | |
1082 | UINTN Index2;\r | |
1083 | UINTN *Idx;\r | |
1084 | UINTN FDCount;\r | |
1085 | UINTN HDCount;\r | |
1086 | UINTN CDCount;\r | |
1087 | UINTN NETCount;\r | |
1088 | UINTN BEVCount;\r | |
1089 | UINTN TotalSize;\r | |
1090 | UINTN HeaderSize;\r | |
1091 | UINT16 *NewFDPtr;\r | |
1092 | UINT16 *NewHDPtr;\r | |
1093 | UINT16 *NewCDPtr;\r | |
1094 | UINT16 *NewNETPtr;\r | |
1095 | UINT16 *NewBEVPtr;\r | |
1096 | UINT16 *NewDevPtr;\r | |
1097 | UINTN FDIndex;\r | |
1098 | UINTN HDIndex;\r | |
1099 | UINTN CDIndex;\r | |
1100 | UINTN NETIndex;\r | |
1101 | UINTN BEVIndex;\r | |
1102 | \r | |
1103 | Idx = NULL;\r | |
1104 | FDCount = 0;\r | |
1105 | HDCount = 0;\r | |
1106 | CDCount = 0;\r | |
1107 | NETCount = 0;\r | |
1108 | BEVCount = 0;\r | |
1109 | TotalSize = 0;\r | |
1110 | HeaderSize = sizeof (BBS_TYPE) + sizeof (UINT16);\r | |
1111 | FDIndex = 0;\r | |
1112 | HDIndex = 0;\r | |
1113 | CDIndex = 0;\r | |
1114 | NETIndex = 0;\r | |
1115 | BEVIndex = 0;\r | |
1116 | NewDevPtr = NULL;\r | |
1117 | \r | |
1118 | Status = gBS->LocateProtocol (&gEfiLegacyBiosProtocolGuid, NULL, (VOID **) &LegacyBios);\r | |
1119 | if (EFI_ERROR (Status)) {\r | |
1120 | return Status;\r | |
1121 | }\r | |
1122 | \r | |
1123 | Status = LegacyBios->GetBbsInfo (\r | |
1124 | LegacyBios,\r | |
1125 | &HddCount,\r | |
1126 | &LocalHddInfo,\r | |
1127 | &BbsCount,\r | |
1128 | &LocalBbsTable\r | |
1129 | );\r | |
1130 | if (EFI_ERROR (Status)) {\r | |
1131 | return Status;\r | |
1132 | }\r | |
1133 | \r | |
1134 | DevOrder = BdsLibGetVariableAndSize (\r | |
1135 | VAR_LEGACY_DEV_ORDER,\r | |
1136 | &gEfiLegacyDevOrderVariableGuid,\r | |
1137 | &DevOrderSize\r | |
1138 | );\r | |
1139 | if (NULL == DevOrder) {\r | |
1140 | return BdsCreateDevOrder (LocalBbsTable, BbsCount);\r | |
1141 | }\r | |
1142 | //\r | |
1143 | // First we figure out how many boot devices with same device type respectively\r | |
1144 | //\r | |
1145 | for (Index = 0; Index < BbsCount; Index++) {\r | |
1146 | if ((LocalBbsTable[Index].BootPriority == BBS_IGNORE_ENTRY) ||\r | |
1147 | (LocalBbsTable[Index].BootPriority == BBS_DO_NOT_BOOT_FROM)\r | |
1148 | ) {\r | |
1149 | continue;\r | |
1150 | }\r | |
1151 | \r | |
1152 | switch (LocalBbsTable[Index].DeviceType) {\r | |
1153 | case BBS_FLOPPY:\r | |
1154 | FDCount++;\r | |
1155 | break;\r | |
1156 | \r | |
1157 | case BBS_HARDDISK:\r | |
1158 | HDCount++;\r | |
1159 | break;\r | |
1160 | \r | |
1161 | case BBS_CDROM:\r | |
1162 | CDCount++;\r | |
1163 | break;\r | |
1164 | \r | |
1165 | case BBS_EMBED_NETWORK:\r | |
1166 | NETCount++;\r | |
1167 | break;\r | |
1168 | \r | |
1169 | case BBS_BEV_DEVICE:\r | |
1170 | BEVCount++;\r | |
1171 | break;\r | |
1172 | \r | |
1173 | default:\r | |
1174 | break;\r | |
1175 | }\r | |
1176 | }\r | |
1177 | \r | |
1178 | TotalSize += (HeaderSize + FDCount * sizeof (UINT16));\r | |
1179 | TotalSize += (HeaderSize + HDCount * sizeof (UINT16));\r | |
1180 | TotalSize += (HeaderSize + CDCount * sizeof (UINT16));\r | |
1181 | TotalSize += (HeaderSize + NETCount * sizeof (UINT16));\r | |
1182 | TotalSize += (HeaderSize + BEVCount * sizeof (UINT16));\r | |
1183 | \r | |
1184 | NewDevOrder = AllocateZeroPool (TotalSize);\r | |
1185 | if (NULL == NewDevOrder) {\r | |
1186 | return EFI_OUT_OF_RESOURCES;\r | |
1187 | }\r | |
1188 | \r | |
1189 | \r | |
1190 | \r | |
1191 | //\r | |
1192 | // copy FD\r | |
1193 | //\r | |
1194 | Ptr = DevOrder;\r | |
1195 | NewPtr = NewDevOrder;\r | |
1196 | NewPtr->BbsType = Ptr->BbsType;\r | |
1197 | NewPtr->Length = (UINT16) (sizeof (UINT16) + FDCount * sizeof (UINT16));\r | |
1198 | for (Index = 0; Index < Ptr->Length / sizeof (UINT16) - 1; Index++) {\r | |
1199 | if (LocalBbsTable[Ptr->Data[Index] & 0xFF].BootPriority == BBS_IGNORE_ENTRY ||\r | |
1200 | LocalBbsTable[Ptr->Data[Index] & 0xFF].BootPriority == BBS_DO_NOT_BOOT_FROM ||\r | |
1201 | LocalBbsTable[Ptr->Data[Index] & 0xFF].DeviceType != BBS_FLOPPY\r | |
1202 | ) {\r | |
1203 | continue;\r | |
1204 | }\r | |
1205 | \r | |
1206 | NewPtr->Data[FDIndex] = Ptr->Data[Index];\r | |
1207 | FDIndex++;\r | |
1208 | }\r | |
1209 | NewFDPtr = NewPtr->Data;\r | |
1210 | \r | |
1211 | //\r | |
1212 | // copy HD\r | |
1213 | //\r | |
1214 | Ptr = (LEGACY_DEV_ORDER_ENTRY *) (&Ptr->Data[Ptr->Length / sizeof (UINT16) - 1]);\r | |
1215 | NewPtr = (LEGACY_DEV_ORDER_ENTRY *) (&NewPtr->Data[NewPtr->Length / sizeof (UINT16) -1]);\r | |
1216 | NewPtr->BbsType = Ptr->BbsType;\r | |
1217 | NewPtr->Length = (UINT16) (sizeof (UINT16) + HDCount * sizeof (UINT16));\r | |
1218 | for (Index = 0; Index < Ptr->Length / sizeof (UINT16) - 1; Index++) {\r | |
1219 | if (LocalBbsTable[Ptr->Data[Index] & 0xFF].BootPriority == BBS_IGNORE_ENTRY ||\r | |
1220 | LocalBbsTable[Ptr->Data[Index] & 0xFF].BootPriority == BBS_DO_NOT_BOOT_FROM ||\r | |
1221 | LocalBbsTable[Ptr->Data[Index] & 0xFF].BootPriority == BBS_LOWEST_PRIORITY ||\r | |
1222 | LocalBbsTable[Ptr->Data[Index] & 0xFF].DeviceType != BBS_HARDDISK\r | |
1223 | ) {\r | |
1224 | continue;\r | |
1225 | }\r | |
1226 | \r | |
1227 | NewPtr->Data[HDIndex] = Ptr->Data[Index];\r | |
1228 | HDIndex++;\r | |
1229 | }\r | |
1230 | NewHDPtr = NewPtr->Data;\r | |
1231 | \r | |
1232 | //\r | |
1233 | // copy CD\r | |
1234 | //\r | |
1235 | Ptr = (LEGACY_DEV_ORDER_ENTRY *) (&Ptr->Data[Ptr->Length / sizeof (UINT16) - 1]);\r | |
1236 | NewPtr = (LEGACY_DEV_ORDER_ENTRY *) (&NewPtr->Data[NewPtr->Length / sizeof (UINT16) -1]);\r | |
1237 | NewPtr->BbsType = Ptr->BbsType;\r | |
1238 | NewPtr->Length = (UINT16) (sizeof (UINT16) + CDCount * sizeof (UINT16));\r | |
1239 | for (Index = 0; Index < Ptr->Length / sizeof (UINT16) - 1; Index++) {\r | |
1240 | if (LocalBbsTable[Ptr->Data[Index] & 0xFF].BootPriority == BBS_IGNORE_ENTRY ||\r | |
1241 | LocalBbsTable[Ptr->Data[Index] & 0xFF].BootPriority == BBS_DO_NOT_BOOT_FROM ||\r | |
1242 | LocalBbsTable[Ptr->Data[Index] & 0xFF].BootPriority == BBS_LOWEST_PRIORITY ||\r | |
1243 | LocalBbsTable[Ptr->Data[Index] & 0xFF].DeviceType != BBS_CDROM\r | |
1244 | ) {\r | |
1245 | continue;\r | |
1246 | }\r | |
1247 | \r | |
1248 | NewPtr->Data[CDIndex] = Ptr->Data[Index];\r | |
1249 | CDIndex++;\r | |
1250 | }\r | |
1251 | NewCDPtr = NewPtr->Data;\r | |
1252 | \r | |
1253 | //\r | |
1254 | // copy NET\r | |
1255 | //\r | |
1256 | Ptr = (LEGACY_DEV_ORDER_ENTRY *) (&Ptr->Data[Ptr->Length / sizeof (UINT16) - 1]);\r | |
1257 | NewPtr = (LEGACY_DEV_ORDER_ENTRY *) (&NewPtr->Data[NewPtr->Length / sizeof (UINT16) -1]);\r | |
1258 | NewPtr->BbsType = Ptr->BbsType;\r | |
1259 | NewPtr->Length = (UINT16) (sizeof (UINT16) + NETCount * sizeof (UINT16));\r | |
1260 | for (Index = 0; Index < Ptr->Length / sizeof (UINT16) - 1; Index++) {\r | |
1261 | if (LocalBbsTable[Ptr->Data[Index] & 0xFF].BootPriority == BBS_IGNORE_ENTRY ||\r | |
1262 | LocalBbsTable[Ptr->Data[Index] & 0xFF].BootPriority == BBS_DO_NOT_BOOT_FROM ||\r | |
1263 | LocalBbsTable[Ptr->Data[Index] & 0xFF].BootPriority == BBS_LOWEST_PRIORITY ||\r | |
1264 | LocalBbsTable[Ptr->Data[Index] & 0xFF].DeviceType != BBS_EMBED_NETWORK\r | |
1265 | ) {\r | |
1266 | continue;\r | |
1267 | }\r | |
1268 | \r | |
1269 | NewPtr->Data[NETIndex] = Ptr->Data[Index];\r | |
1270 | NETIndex++;\r | |
1271 | }\r | |
1272 | NewNETPtr = NewPtr->Data;\r | |
1273 | \r | |
1274 | //\r | |
1275 | // copy BEV\r | |
1276 | //\r | |
1277 | Ptr = (LEGACY_DEV_ORDER_ENTRY *) (&Ptr->Data[Ptr->Length / sizeof (UINT16) - 1]);\r | |
1278 | NewPtr = (LEGACY_DEV_ORDER_ENTRY *) (&NewPtr->Data[NewPtr->Length / sizeof (UINT16) -1]);\r | |
1279 | NewPtr->BbsType = Ptr->BbsType;\r | |
1280 | NewPtr->Length = (UINT16) (sizeof (UINT16) + BEVCount * sizeof (UINT16));\r | |
1281 | for (Index = 0; Index < Ptr->Length / sizeof (UINT16) - 1; Index++) {\r | |
1282 | if (LocalBbsTable[Ptr->Data[Index] & 0xFF].BootPriority == BBS_IGNORE_ENTRY ||\r | |
1283 | LocalBbsTable[Ptr->Data[Index] & 0xFF].BootPriority == BBS_DO_NOT_BOOT_FROM ||\r | |
1284 | LocalBbsTable[Ptr->Data[Index] & 0xFF].BootPriority == BBS_LOWEST_PRIORITY ||\r | |
1285 | LocalBbsTable[Ptr->Data[Index] & 0xFF].DeviceType != BBS_BEV_DEVICE\r | |
1286 | ) {\r | |
1287 | continue;\r | |
1288 | }\r | |
1289 | \r | |
1290 | NewPtr->Data[BEVIndex] = Ptr->Data[Index];\r | |
1291 | BEVIndex++;\r | |
1292 | }\r | |
1293 | NewBEVPtr = NewPtr->Data;\r | |
1294 | \r | |
1295 | for (Index = 0; Index < BbsCount; Index++) {\r | |
1296 | if ((LocalBbsTable[Index].BootPriority == BBS_IGNORE_ENTRY) ||\r | |
1297 | (LocalBbsTable[Index].BootPriority == BBS_DO_NOT_BOOT_FROM)\r | |
1298 | ) {\r | |
1299 | continue;\r | |
1300 | }\r | |
1301 | \r | |
1302 | switch (LocalBbsTable[Index].DeviceType) {\r | |
1303 | case BBS_FLOPPY:\r | |
1304 | Idx = &FDIndex;\r | |
1305 | NewDevPtr = NewFDPtr;\r | |
1306 | break;\r | |
1307 | \r | |
1308 | case BBS_HARDDISK:\r | |
1309 | Idx = &HDIndex;\r | |
1310 | NewDevPtr = NewHDPtr;\r | |
1311 | break;\r | |
1312 | \r | |
1313 | case BBS_CDROM:\r | |
1314 | Idx = &CDIndex;\r | |
1315 | NewDevPtr = NewCDPtr;\r | |
1316 | break;\r | |
1317 | \r | |
1318 | case BBS_EMBED_NETWORK:\r | |
1319 | Idx = &NETIndex;\r | |
1320 | NewDevPtr = NewNETPtr;\r | |
1321 | break;\r | |
1322 | \r | |
1323 | case BBS_BEV_DEVICE:\r | |
1324 | Idx = &BEVIndex;\r | |
1325 | NewDevPtr = NewBEVPtr;\r | |
1326 | break;\r | |
1327 | \r | |
1328 | default:\r | |
1329 | Idx = NULL;\r | |
1330 | break;\r | |
1331 | }\r | |
1332 | //\r | |
1333 | // at this point we have copied those valid indexes to new buffer\r | |
1334 | // and we should check if there is any new appeared boot device\r | |
1335 | //\r | |
1336 | if (Idx != NULL) {\r | |
1337 | for (Index2 = 0; Index2 < *Idx; Index2++) {\r | |
1338 | if ((NewDevPtr[Index2] & 0xFF) == (UINT16) Index) {\r | |
1339 | break;\r | |
1340 | }\r | |
1341 | }\r | |
1342 | \r | |
1343 | if (Index2 == *Idx) {\r | |
1344 | //\r | |
1345 | // Index2 == *Idx means we didn't find Index\r | |
1346 | // so Index is a new appeared device's index in BBS table\r | |
1347 | // insert it before disabled indexes.\r | |
1348 | //\r | |
1349 | for (Index2 = 0; Index2 < *Idx; Index2++) {\r | |
1350 | if ((NewDevPtr[Index2] & 0xFF00) == 0xFF00) {\r | |
1351 | break;\r | |
1352 | }\r | |
1353 | }\r | |
1354 | CopyMem (&NewDevPtr[Index2 + 1], &NewDevPtr[Index2], (*Idx - Index2) * sizeof (UINT16));\r | |
1355 | NewDevPtr[Index2] = (UINT16) (Index & 0xFF);\r | |
1356 | (*Idx)++;\r | |
1357 | }\r | |
1358 | }\r | |
1359 | }\r | |
1360 | \r | |
1361 | FreePool (DevOrder);\r | |
1362 | \r | |
1363 | Status = gRT->SetVariable (\r | |
1364 | VAR_LEGACY_DEV_ORDER,\r | |
1365 | &gEfiLegacyDevOrderVariableGuid,\r | |
1366 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,\r | |
1367 | TotalSize,\r | |
1368 | NewDevOrder\r | |
1369 | );\r | |
1370 | FreePool (NewDevOrder);\r | |
1371 | \r | |
1372 | return Status;\r | |
1373 | }\r | |
1374 | \r | |
1375 | /**\r | |
1376 | Set Boot Priority for specified device type.\r | |
1377 | \r | |
1378 | @param DeviceType The device type.\r | |
1379 | @param BbsIndex The BBS index to set the highest priority. Ignore when -1.\r | |
1380 | @param LocalBbsTable The BBS table.\r | |
1381 | @param Priority The prority table.\r | |
1382 | \r | |
1383 | @retval EFI_SUCCESS The function completes successfully.\r | |
1384 | @retval EFI_NOT_FOUND Failed to find device.\r | |
1385 | @retval EFI_OUT_OF_RESOURCES Failed to get the efi variable of device order.\r | |
1386 | \r | |
1387 | **/\r | |
1388 | EFI_STATUS\r | |
1389 | BdsSetBootPriority4SameTypeDev (\r | |
1390 | IN UINT16 DeviceType,\r | |
1391 | IN UINTN BbsIndex,\r | |
1392 | IN OUT BBS_TABLE *LocalBbsTable,\r | |
1393 | IN OUT UINT16 *Priority\r | |
1394 | )\r | |
1395 | {\r | |
1396 | LEGACY_DEV_ORDER_ENTRY *DevOrder;\r | |
1397 | LEGACY_DEV_ORDER_ENTRY *DevOrderPtr;\r | |
1398 | UINTN DevOrderSize;\r | |
1399 | UINTN Index;\r | |
1400 | \r | |
1401 | DevOrder = BdsLibGetVariableAndSize (\r | |
1402 | VAR_LEGACY_DEV_ORDER,\r | |
1403 | &gEfiLegacyDevOrderVariableGuid,\r | |
1404 | &DevOrderSize\r | |
1405 | );\r | |
1406 | if (NULL == DevOrder) {\r | |
1407 | return EFI_OUT_OF_RESOURCES;\r | |
1408 | }\r | |
1409 | \r | |
1410 | DevOrderPtr = DevOrder;\r | |
1411 | while ((UINT8 *) DevOrderPtr < (UINT8 *) DevOrder + DevOrderSize) {\r | |
1412 | if (DevOrderPtr->BbsType == DeviceType) {\r | |
1413 | break;\r | |
1414 | }\r | |
1415 | \r | |
1416 | DevOrderPtr = (LEGACY_DEV_ORDER_ENTRY *) ((UINT8 *) DevOrderPtr + sizeof (BBS_TYPE) + DevOrderPtr->Length);\r | |
1417 | }\r | |
1418 | \r | |
1419 | if ((UINT8 *) DevOrderPtr >= (UINT8 *) DevOrder + DevOrderSize) {\r | |
1420 | FreePool (DevOrder);\r | |
1421 | return EFI_NOT_FOUND;\r | |
1422 | }\r | |
1423 | \r | |
1424 | if (BbsIndex != (UINTN) -1) {\r | |
1425 | LocalBbsTable[BbsIndex].BootPriority = *Priority;\r | |
1426 | (*Priority)++;\r | |
1427 | }\r | |
1428 | //\r | |
1429 | // If the high byte of the DevIndex is 0xFF, it indicates that this device has been disabled.\r | |
1430 | //\r | |
1431 | for (Index = 0; Index < DevOrderPtr->Length / sizeof (UINT16) - 1; Index++) {\r | |
1432 | if ((DevOrderPtr->Data[Index] & 0xFF00) == 0xFF00) {\r | |
1433 | //\r | |
1434 | // LocalBbsTable[DevIndex[Index] & 0xFF].BootPriority = BBS_DISABLED_ENTRY;\r | |
1435 | //\r | |
1436 | } else if (DevOrderPtr->Data[Index] != BbsIndex) {\r | |
1437 | LocalBbsTable[DevOrderPtr->Data[Index]].BootPriority = *Priority;\r | |
1438 | (*Priority)++;\r | |
1439 | }\r | |
1440 | }\r | |
1441 | \r | |
1442 | FreePool (DevOrder);\r | |
1443 | return EFI_SUCCESS;\r | |
1444 | }\r | |
1445 | \r | |
1446 | /**\r | |
1447 | Print the BBS Table.\r | |
1448 | \r | |
1449 | @param LocalBbsTable The BBS table.\r | |
1450 | @param BbsCount The count of entry in BBS table.\r | |
1451 | **/\r | |
1452 | VOID\r | |
1453 | PrintBbsTable (\r | |
1454 | IN BBS_TABLE *LocalBbsTable,\r | |
1455 | IN UINT16 BbsCount\r | |
1456 | )\r | |
1457 | {\r | |
1458 | UINT16 Idx;\r | |
1459 | \r | |
1460 | DEBUG ((DEBUG_ERROR, "\n"));\r | |
1461 | DEBUG ((DEBUG_ERROR, " NO Prio bb/dd/ff cl/sc Type Stat segm:offs\n"));\r | |
1462 | DEBUG ((DEBUG_ERROR, "=============================================\n"));\r | |
1463 | for (Idx = 0; Idx < BbsCount; Idx++) {\r | |
1464 | if ((LocalBbsTable[Idx].BootPriority == BBS_IGNORE_ENTRY) ||\r | |
1465 | (LocalBbsTable[Idx].BootPriority == BBS_DO_NOT_BOOT_FROM) ||\r | |
1466 | (LocalBbsTable[Idx].BootPriority == BBS_LOWEST_PRIORITY)\r | |
1467 | ) {\r | |
1468 | continue;\r | |
1469 | }\r | |
1470 | \r | |
1471 | DEBUG (\r | |
1472 | (DEBUG_ERROR,\r | |
1473 | " %02x: %04x %02x/%02x/%02x %02x/%02x %04x %04x %04x:%04x\n",\r | |
1474 | (UINTN) Idx,\r | |
1475 | (UINTN) LocalBbsTable[Idx].BootPriority,\r | |
1476 | (UINTN) LocalBbsTable[Idx].Bus,\r | |
1477 | (UINTN) LocalBbsTable[Idx].Device,\r | |
1478 | (UINTN) LocalBbsTable[Idx].Function,\r | |
1479 | (UINTN) LocalBbsTable[Idx].Class,\r | |
1480 | (UINTN) LocalBbsTable[Idx].SubClass,\r | |
1481 | (UINTN) LocalBbsTable[Idx].DeviceType,\r | |
1482 | (UINTN) * (UINT16 *) &LocalBbsTable[Idx].StatusFlags,\r | |
1483 | (UINTN) LocalBbsTable[Idx].BootHandlerSegment,\r | |
1484 | (UINTN) LocalBbsTable[Idx].BootHandlerOffset,\r | |
1485 | (UINTN) ((LocalBbsTable[Idx].MfgStringSegment << 4) + LocalBbsTable[Idx].MfgStringOffset),\r | |
1486 | (UINTN) ((LocalBbsTable[Idx].DescStringSegment << 4) + LocalBbsTable[Idx].DescStringOffset))\r | |
1487 | );\r | |
1488 | }\r | |
1489 | \r | |
1490 | DEBUG ((DEBUG_ERROR, "\n"));\r | |
1491 | }\r | |
1492 | \r | |
1493 | /**\r | |
1494 | Set the boot priority for BBS entries based on boot option entry and boot order.\r | |
1495 | \r | |
1496 | @param Entry The boot option is to be checked for refresh BBS table.\r | |
1497 | \r | |
1498 | @retval EFI_SUCCESS The boot priority for BBS entries is refreshed successfully.\r | |
1499 | @retval EFI_NOT_FOUND BBS entries can't be found.\r | |
1500 | @retval EFI_OUT_OF_RESOURCES Failed to get the legacy device boot order.\r | |
1501 | **/\r | |
1502 | EFI_STATUS\r | |
1503 | EFIAPI\r | |
1504 | BdsRefreshBbsTableForBoot (\r | |
1505 | IN BDS_COMMON_OPTION *Entry\r | |
1506 | )\r | |
1507 | {\r | |
1508 | EFI_STATUS Status;\r | |
1509 | UINT16 BbsIndex;\r | |
1510 | UINT16 HddCount;\r | |
1511 | UINT16 BbsCount;\r | |
1512 | HDD_INFO *LocalHddInfo;\r | |
1513 | BBS_TABLE *LocalBbsTable;\r | |
1514 | UINT16 DevType;\r | |
1515 | EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;\r | |
1516 | UINTN Index;\r | |
1517 | UINT16 Priority;\r | |
1518 | UINT16 *BootOrder;\r | |
1519 | UINTN BootOrderSize;\r | |
1520 | UINT8 *BootOptionVar;\r | |
1521 | UINTN BootOptionSize;\r | |
1522 | CHAR16 BootOption[9];\r | |
1523 | UINT8 *Ptr;\r | |
1524 | UINT16 DevPathLen;\r | |
1525 | EFI_DEVICE_PATH_PROTOCOL *DevPath;\r | |
1526 | UINT16 *DeviceType;\r | |
1527 | UINTN DeviceTypeCount;\r | |
1528 | UINTN DeviceTypeIndex;\r | |
1529 | \r | |
1530 | HddCount = 0;\r | |
1531 | BbsCount = 0;\r | |
1532 | LocalHddInfo = NULL;\r | |
1533 | LocalBbsTable = NULL;\r | |
1534 | DevType = BBS_UNKNOWN;\r | |
1535 | \r | |
1536 | Status = gBS->LocateProtocol (&gEfiLegacyBiosProtocolGuid, NULL, (VOID **) &LegacyBios);\r | |
1537 | if (EFI_ERROR (Status)) {\r | |
1538 | return Status;\r | |
1539 | }\r | |
1540 | \r | |
1541 | LegacyBios->GetBbsInfo (\r | |
1542 | LegacyBios,\r | |
1543 | &HddCount,\r | |
1544 | &LocalHddInfo,\r | |
1545 | &BbsCount,\r | |
1546 | &LocalBbsTable\r | |
1547 | );\r | |
1548 | //\r | |
1549 | // First, set all the present devices' boot priority to BBS_UNPRIORITIZED_ENTRY\r | |
1550 | // We will set them according to the settings setup by user\r | |
1551 | //\r | |
1552 | for (Index = 0; Index < BbsCount; Index++) {\r | |
1553 | if (!((BBS_IGNORE_ENTRY == LocalBbsTable[Index].BootPriority) ||\r | |
1554 | (BBS_DO_NOT_BOOT_FROM == LocalBbsTable[Index].BootPriority) ||\r | |
1555 | (BBS_LOWEST_PRIORITY == LocalBbsTable[Index].BootPriority))) {\r | |
1556 | LocalBbsTable[Index].BootPriority = BBS_UNPRIORITIZED_ENTRY;\r | |
1557 | }\r | |
1558 | }\r | |
1559 | //\r | |
1560 | // boot priority always starts at 0\r | |
1561 | //\r | |
1562 | Priority = 0;\r | |
1563 | if (Entry->LoadOptionsSize == sizeof (BBS_TABLE) + sizeof (UINT16)) {\r | |
1564 | //\r | |
1565 | // If Entry stands for a legacy boot option, we prioritize the devices with the same type first.\r | |
1566 | //\r | |
1567 | DevType = ((BBS_TABLE *) Entry->LoadOptions)->DeviceType;\r | |
1568 | BbsIndex = *(UINT16 *) ((BBS_TABLE *) Entry->LoadOptions + 1);\r | |
1569 | Status = BdsSetBootPriority4SameTypeDev (\r | |
1570 | DevType,\r | |
1571 | BbsIndex,\r | |
1572 | LocalBbsTable,\r | |
1573 | &Priority\r | |
1574 | );\r | |
1575 | if (EFI_ERROR (Status)) {\r | |
1576 | return Status;\r | |
1577 | }\r | |
1578 | }\r | |
1579 | //\r | |
1580 | // we have to set the boot priority for other BBS entries with different device types\r | |
1581 | //\r | |
1582 | BootOrder = BdsLibGetVariableAndSize (\r | |
1583 | L"BootOrder",\r | |
1584 | &gEfiGlobalVariableGuid,\r | |
1585 | &BootOrderSize\r | |
1586 | );\r | |
1587 | DeviceType = AllocatePool (BootOrderSize + sizeof (UINT16));\r | |
1588 | ASSERT (DeviceType != NULL);\r | |
1589 | \r | |
1590 | DeviceType[0] = DevType;\r | |
1591 | DeviceTypeCount = 1;\r | |
1592 | for (Index = 0; ((BootOrder != NULL) && (Index < BootOrderSize / sizeof (UINT16))); Index++) {\r | |
1593 | UnicodeSPrint (BootOption, sizeof (BootOption), L"Boot%04x", BootOrder[Index]);\r | |
1594 | BootOptionVar = BdsLibGetVariableAndSize (\r | |
1595 | BootOption,\r | |
1596 | &gEfiGlobalVariableGuid,\r | |
1597 | &BootOptionSize\r | |
1598 | );\r | |
1599 | if (NULL == BootOptionVar) {\r | |
1600 | continue;\r | |
1601 | }\r | |
1602 | \r | |
1603 | Ptr = BootOptionVar;\r | |
1604 | \r | |
1605 | Ptr += sizeof (UINT32);\r | |
1606 | DevPathLen = *(UINT16 *) Ptr;\r | |
1607 | Ptr += sizeof (UINT16);\r | |
1608 | Ptr += StrSize ((UINT16 *) Ptr);\r | |
1609 | DevPath = (EFI_DEVICE_PATH_PROTOCOL *) Ptr;\r | |
1610 | if (BBS_DEVICE_PATH != DevPath->Type || BBS_BBS_DP != DevPath->SubType) {\r | |
1611 | FreePool (BootOptionVar);\r | |
1612 | continue;\r | |
1613 | }\r | |
1614 | \r | |
1615 | Ptr += DevPathLen;\r | |
1616 | DevType = ((BBS_TABLE *) Ptr)->DeviceType;\r | |
1617 | for (DeviceTypeIndex = 0; DeviceTypeIndex < DeviceTypeCount; DeviceTypeIndex++) {\r | |
1618 | if (DeviceType[DeviceTypeIndex] == DevType) {\r | |
1619 | break;\r | |
1620 | }\r | |
1621 | }\r | |
1622 | if (DeviceTypeIndex < DeviceTypeCount) {\r | |
1623 | //\r | |
1624 | // We don't want to process twice for a device type\r | |
1625 | //\r | |
1626 | FreePool (BootOptionVar);\r | |
1627 | continue;\r | |
1628 | }\r | |
1629 | \r | |
1630 | DeviceType[DeviceTypeCount] = DevType;\r | |
1631 | DeviceTypeCount++;\r | |
1632 | \r | |
1633 | Status = BdsSetBootPriority4SameTypeDev (\r | |
1634 | DevType,\r | |
1635 | (UINTN) -1,\r | |
1636 | LocalBbsTable,\r | |
1637 | &Priority\r | |
1638 | );\r | |
1639 | FreePool (BootOptionVar);\r | |
1640 | if (EFI_ERROR (Status)) {\r | |
1641 | break;\r | |
1642 | }\r | |
1643 | }\r | |
1644 | \r | |
1645 | FreePool (DeviceType);\r | |
1646 | \r | |
1647 | if (BootOrder != NULL) {\r | |
1648 | FreePool (BootOrder);\r | |
1649 | }\r | |
1650 | \r | |
1651 | DEBUG_CODE_BEGIN();\r | |
1652 | PrintBbsTable (LocalBbsTable, BbsCount);\r | |
1653 | DEBUG_CODE_END();\r | |
1654 | \r | |
1655 | return Status;\r | |
1656 | }\r | |
1657 | \r | |
1658 | /**\r | |
1659 | Boot the legacy system with the boot option\r | |
1660 | \r | |
1661 | @param Option The legacy boot option which have BBS device path\r | |
1662 | \r | |
1663 | @retval EFI_UNSUPPORTED There is no legacybios protocol, do not support\r | |
1664 | legacy boot.\r | |
1665 | @retval EFI_STATUS Return the status of LegacyBios->LegacyBoot ().\r | |
1666 | \r | |
1667 | **/\r | |
1668 | EFI_STATUS\r | |
1669 | BdsLibDoLegacyBoot (\r | |
1670 | IN BDS_COMMON_OPTION *Option\r | |
1671 | )\r | |
1672 | {\r | |
1673 | EFI_STATUS Status;\r | |
1674 | EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;\r | |
1675 | EFI_EVENT LegacyBootEvent;\r | |
1676 | \r | |
1677 | Status = gBS->LocateProtocol (&gEfiLegacyBiosProtocolGuid, NULL, (VOID **) &LegacyBios);\r | |
1678 | if (EFI_ERROR (Status)) {\r | |
1679 | //\r | |
1680 | // If no LegacyBios protocol we do not support legacy boot\r | |
1681 | //\r | |
1682 | return EFI_UNSUPPORTED;\r | |
1683 | }\r | |
1684 | //\r | |
1685 | // Notes: if we separate the int 19, then we don't need to refresh BBS\r | |
1686 | //\r | |
1687 | BdsRefreshBbsTableForBoot (Option);\r | |
1688 | \r | |
1689 | //\r | |
1690 | // Write boot to OS performance data for legacy boot.\r | |
1691 | //\r | |
1692 | PERF_CODE (\r | |
1693 | //\r | |
1694 | // Create an event to be signalled when Legacy Boot occurs to write performance data.\r | |
1695 | //\r | |
1696 | Status = EfiCreateEventLegacyBootEx(\r | |
1697 | TPL_NOTIFY,\r | |
1698 | WriteBootToOsPerformanceData,\r | |
1699 | NULL, \r | |
1700 | &LegacyBootEvent\r | |
1701 | );\r | |
1702 | ASSERT_EFI_ERROR (Status);\r | |
1703 | );\r | |
1704 | \r | |
1705 | DEBUG ((DEBUG_INFO | DEBUG_LOAD, "Legacy Boot: %S\n", Option->Description));\r | |
1706 | return LegacyBios->LegacyBoot (\r | |
1707 | LegacyBios,\r | |
1708 | (BBS_BBS_DEVICE_PATH *) Option->DevicePath,\r | |
1709 | Option->LoadOptionsSize,\r | |
1710 | Option->LoadOptions\r | |
1711 | );\r | |
1712 | }\r | |
1713 | \r | |
1714 | /**\r | |
1715 | Internal function to check if the input boot option is a valid EFI NV Boot####.\r | |
1716 | \r | |
1717 | @param OptionToCheck Boot option to be checked.\r | |
1718 | \r | |
1719 | @retval TRUE This boot option matches a valid EFI NV Boot####.\r | |
1720 | @retval FALSE If not.\r | |
1721 | \r | |
1722 | **/\r | |
1723 | BOOLEAN\r | |
1724 | IsBootOptionValidNVVarialbe (\r | |
1725 | IN BDS_COMMON_OPTION *OptionToCheck\r | |
1726 | )\r | |
1727 | {\r | |
1728 | LIST_ENTRY TempList;\r | |
1729 | BDS_COMMON_OPTION *BootOption;\r | |
1730 | BOOLEAN Valid;\r | |
1731 | CHAR16 OptionName[20];\r | |
1732 | \r | |
1733 | Valid = FALSE;\r | |
1734 | \r | |
1735 | InitializeListHead (&TempList);\r | |
1736 | UnicodeSPrint (OptionName, sizeof (OptionName), L"Boot%04x", OptionToCheck->BootCurrent);\r | |
1737 | \r | |
1738 | BootOption = BdsLibVariableToOption (&TempList, OptionName);\r | |
1739 | if (BootOption == NULL) {\r | |
1740 | return FALSE;\r | |
1741 | }\r | |
1742 | \r | |
1743 | //\r | |
1744 | // If the Boot Option Number and Device Path matches, OptionToCheck matches a\r | |
1745 | // valid EFI NV Boot####.\r | |
1746 | //\r | |
1747 | if ((OptionToCheck->BootCurrent == BootOption->BootCurrent) &&\r | |
1748 | (CompareMem (OptionToCheck->DevicePath, BootOption->DevicePath, GetDevicePathSize (OptionToCheck->DevicePath)) == 0))\r | |
1749 | {\r | |
1750 | Valid = TRUE;\r | |
1751 | }\r | |
1752 | \r | |
1753 | FreePool (BootOption);\r | |
1754 | \r | |
1755 | return Valid;\r | |
1756 | }\r | |
1757 | \r | |
1758 | /**\r | |
1759 | Check whether a USB device match the specified USB Class device path. This\r | |
1760 | function follows "Load Option Processing" behavior in UEFI specification.\r | |
1761 | \r | |
1762 | @param UsbIo USB I/O protocol associated with the USB device.\r | |
1763 | @param UsbClass The USB Class device path to match.\r | |
1764 | \r | |
1765 | @retval TRUE The USB device match the USB Class device path.\r | |
1766 | @retval FALSE The USB device does not match the USB Class device path.\r | |
1767 | \r | |
1768 | **/\r | |
1769 | BOOLEAN\r | |
1770 | BdsMatchUsbClass (\r | |
1771 | IN EFI_USB_IO_PROTOCOL *UsbIo,\r | |
1772 | IN USB_CLASS_DEVICE_PATH *UsbClass\r | |
1773 | )\r | |
1774 | {\r | |
1775 | EFI_STATUS Status;\r | |
1776 | EFI_USB_DEVICE_DESCRIPTOR DevDesc;\r | |
1777 | EFI_USB_INTERFACE_DESCRIPTOR IfDesc;\r | |
1778 | UINT8 DeviceClass;\r | |
1779 | UINT8 DeviceSubClass;\r | |
1780 | UINT8 DeviceProtocol;\r | |
1781 | \r | |
1782 | if ((DevicePathType (UsbClass) != MESSAGING_DEVICE_PATH) ||\r | |
1783 | (DevicePathSubType (UsbClass) != MSG_USB_CLASS_DP)){\r | |
1784 | return FALSE;\r | |
1785 | }\r | |
1786 | \r | |
1787 | //\r | |
1788 | // Check Vendor Id and Product Id.\r | |
1789 | //\r | |
1790 | Status = UsbIo->UsbGetDeviceDescriptor (UsbIo, &DevDesc);\r | |
1791 | if (EFI_ERROR (Status)) {\r | |
1792 | return FALSE;\r | |
1793 | }\r | |
1794 | \r | |
1795 | if ((UsbClass->VendorId != 0xffff) &&\r | |
1796 | (UsbClass->VendorId != DevDesc.IdVendor)) {\r | |
1797 | return FALSE;\r | |
1798 | }\r | |
1799 | \r | |
1800 | if ((UsbClass->ProductId != 0xffff) &&\r | |
1801 | (UsbClass->ProductId != DevDesc.IdProduct)) {\r | |
1802 | return FALSE;\r | |
1803 | }\r | |
1804 | \r | |
1805 | DeviceClass = DevDesc.DeviceClass;\r | |
1806 | DeviceSubClass = DevDesc.DeviceSubClass;\r | |
1807 | DeviceProtocol = DevDesc.DeviceProtocol;\r | |
1808 | if (DeviceClass == 0) {\r | |
1809 | //\r | |
1810 | // If Class in Device Descriptor is set to 0, use the Class, SubClass and\r | |
1811 | // Protocol in Interface Descriptor instead.\r | |
1812 | //\r | |
1813 | Status = UsbIo->UsbGetInterfaceDescriptor (UsbIo, &IfDesc);\r | |
1814 | if (EFI_ERROR (Status)) {\r | |
1815 | return FALSE;\r | |
1816 | }\r | |
1817 | \r | |
1818 | DeviceClass = IfDesc.InterfaceClass;\r | |
1819 | DeviceSubClass = IfDesc.InterfaceSubClass;\r | |
1820 | DeviceProtocol = IfDesc.InterfaceProtocol;\r | |
1821 | }\r | |
1822 | \r | |
1823 | //\r | |
1824 | // Check Class, SubClass and Protocol.\r | |
1825 | //\r | |
1826 | if ((UsbClass->DeviceClass != 0xff) &&\r | |
1827 | (UsbClass->DeviceClass != DeviceClass)) {\r | |
1828 | return FALSE;\r | |
1829 | }\r | |
1830 | \r | |
1831 | if ((UsbClass->DeviceSubClass != 0xff) &&\r | |
1832 | (UsbClass->DeviceSubClass != DeviceSubClass)) {\r | |
1833 | return FALSE;\r | |
1834 | }\r | |
1835 | \r | |
1836 | if ((UsbClass->DeviceProtocol != 0xff) &&\r | |
1837 | (UsbClass->DeviceProtocol != DeviceProtocol)) {\r | |
1838 | return FALSE;\r | |
1839 | }\r | |
1840 | \r | |
1841 | return TRUE;\r | |
1842 | }\r | |
1843 | \r | |
1844 | /**\r | |
1845 | Check whether a USB device match the specified USB WWID device path. This\r | |
1846 | function follows "Load Option Processing" behavior in UEFI specification.\r | |
1847 | \r | |
1848 | @param UsbIo USB I/O protocol associated with the USB device.\r | |
1849 | @param UsbWwid The USB WWID device path to match.\r | |
1850 | \r | |
1851 | @retval TRUE The USB device match the USB WWID device path.\r | |
1852 | @retval FALSE The USB device does not match the USB WWID device path.\r | |
1853 | \r | |
1854 | **/\r | |
1855 | BOOLEAN\r | |
1856 | BdsMatchUsbWwid (\r | |
1857 | IN EFI_USB_IO_PROTOCOL *UsbIo,\r | |
1858 | IN USB_WWID_DEVICE_PATH *UsbWwid\r | |
1859 | )\r | |
1860 | {\r | |
1861 | EFI_STATUS Status;\r | |
1862 | EFI_USB_DEVICE_DESCRIPTOR DevDesc;\r | |
1863 | EFI_USB_INTERFACE_DESCRIPTOR IfDesc;\r | |
1864 | UINT16 *LangIdTable;\r | |
1865 | UINT16 TableSize;\r | |
1866 | UINT16 Index;\r | |
1867 | CHAR16 *CompareStr;\r | |
1868 | UINTN CompareLen;\r | |
1869 | CHAR16 *SerialNumberStr;\r | |
1870 | UINTN Length;\r | |
1871 | \r | |
1872 | if ((DevicePathType (UsbWwid) != MESSAGING_DEVICE_PATH) ||\r | |
1873 | (DevicePathSubType (UsbWwid) != MSG_USB_WWID_DP )){\r | |
1874 | return FALSE;\r | |
1875 | }\r | |
1876 | \r | |
1877 | //\r | |
1878 | // Check Vendor Id and Product Id.\r | |
1879 | //\r | |
1880 | Status = UsbIo->UsbGetDeviceDescriptor (UsbIo, &DevDesc);\r | |
1881 | if (EFI_ERROR (Status)) {\r | |
1882 | return FALSE;\r | |
1883 | }\r | |
1884 | if ((DevDesc.IdVendor != UsbWwid->VendorId) ||\r | |
1885 | (DevDesc.IdProduct != UsbWwid->ProductId)) {\r | |
1886 | return FALSE;\r | |
1887 | }\r | |
1888 | \r | |
1889 | //\r | |
1890 | // Check Interface Number.\r | |
1891 | //\r | |
1892 | Status = UsbIo->UsbGetInterfaceDescriptor (UsbIo, &IfDesc);\r | |
1893 | if (EFI_ERROR (Status)) {\r | |
1894 | return FALSE;\r | |
1895 | }\r | |
1896 | if (IfDesc.InterfaceNumber != UsbWwid->InterfaceNumber) {\r | |
1897 | return FALSE;\r | |
1898 | }\r | |
1899 | \r | |
1900 | //\r | |
1901 | // Check Serial Number.\r | |
1902 | //\r | |
1903 | if (DevDesc.StrSerialNumber == 0) {\r | |
1904 | return FALSE;\r | |
1905 | }\r | |
1906 | \r | |
1907 | //\r | |
1908 | // Get all supported languages.\r | |
1909 | //\r | |
1910 | TableSize = 0;\r | |
1911 | LangIdTable = NULL;\r | |
1912 | Status = UsbIo->UsbGetSupportedLanguages (UsbIo, &LangIdTable, &TableSize);\r | |
1913 | if (EFI_ERROR (Status) || (TableSize == 0) || (LangIdTable == NULL)) {\r | |
1914 | return FALSE;\r | |
1915 | }\r | |
1916 | \r | |
1917 | //\r | |
1918 | // Serial number in USB WWID device path is the last 64-or-less UTF-16 characters.\r | |
1919 | //\r | |
1920 | CompareStr = (CHAR16 *) (UINTN) (UsbWwid + 1);\r | |
1921 | CompareLen = (DevicePathNodeLength (UsbWwid) - sizeof (USB_WWID_DEVICE_PATH)) / sizeof (CHAR16);\r | |
1922 | if (CompareStr[CompareLen - 1] == L'\0') {\r | |
1923 | CompareLen--;\r | |
1924 | }\r | |
1925 | \r | |
1926 | //\r | |
1927 | // Compare serial number in each supported language.\r | |
1928 | //\r | |
1929 | for (Index = 0; Index < TableSize / sizeof (UINT16); Index++) {\r | |
1930 | SerialNumberStr = NULL;\r | |
1931 | Status = UsbIo->UsbGetStringDescriptor (\r | |
1932 | UsbIo,\r | |
1933 | LangIdTable[Index],\r | |
1934 | DevDesc.StrSerialNumber,\r | |
1935 | &SerialNumberStr\r | |
1936 | );\r | |
1937 | if (EFI_ERROR (Status) || (SerialNumberStr == NULL)) {\r | |
1938 | continue;\r | |
1939 | }\r | |
1940 | \r | |
1941 | Length = StrLen (SerialNumberStr);\r | |
1942 | if ((Length >= CompareLen) &&\r | |
1943 | (CompareMem (SerialNumberStr + Length - CompareLen, CompareStr, CompareLen * sizeof (CHAR16)) == 0)) {\r | |
1944 | FreePool (SerialNumberStr);\r | |
1945 | return TRUE;\r | |
1946 | }\r | |
1947 | \r | |
1948 | FreePool (SerialNumberStr);\r | |
1949 | }\r | |
1950 | \r | |
1951 | return FALSE;\r | |
1952 | }\r | |
1953 | \r | |
1954 | /**\r | |
1955 | Find a USB device path which match the specified short-form device path start\r | |
1956 | with USB Class or USB WWID device path and load the boot file then return the \r | |
1957 | image handle. If ParentDevicePath is NULL, this function will search in all USB\r | |
1958 | devices of the platform. If ParentDevicePath is not NULL,this function will only\r | |
1959 | search in its child devices.\r | |
1960 | \r | |
1961 | @param ParentDevicePath The device path of the parent.\r | |
1962 | @param ShortFormDevicePath The USB Class or USB WWID device path to match.\r | |
1963 | \r | |
1964 | @return The image Handle if find load file from specified short-form device path\r | |
1965 | or NULL if not found.\r | |
1966 | \r | |
1967 | **/\r | |
1968 | EFI_HANDLE *\r | |
1969 | BdsFindUsbDevice (\r | |
1970 | IN EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath,\r | |
1971 | IN EFI_DEVICE_PATH_PROTOCOL *ShortFormDevicePath\r | |
1972 | )\r | |
1973 | {\r | |
1974 | EFI_STATUS Status;\r | |
1975 | UINTN UsbIoHandleCount;\r | |
1976 | EFI_HANDLE *UsbIoHandleBuffer;\r | |
1977 | EFI_DEVICE_PATH_PROTOCOL *UsbIoDevicePath;\r | |
1978 | EFI_USB_IO_PROTOCOL *UsbIo;\r | |
1979 | UINTN Index;\r | |
1980 | UINTN ParentSize;\r | |
1981 | UINTN Size;\r | |
1982 | EFI_HANDLE ImageHandle;\r | |
1983 | EFI_HANDLE Handle;\r | |
1984 | EFI_DEVICE_PATH_PROTOCOL *FullDevicePath;\r | |
1985 | EFI_DEVICE_PATH_PROTOCOL *NextDevicePath;\r | |
1986 | \r | |
1987 | FullDevicePath = NULL;\r | |
1988 | ImageHandle = NULL;\r | |
1989 | \r | |
1990 | //\r | |
1991 | // Get all UsbIo Handles.\r | |
1992 | //\r | |
1993 | UsbIoHandleCount = 0;\r | |
1994 | UsbIoHandleBuffer = NULL;\r | |
1995 | Status = gBS->LocateHandleBuffer (\r | |
1996 | ByProtocol,\r | |
1997 | &gEfiUsbIoProtocolGuid,\r | |
1998 | NULL,\r | |
1999 | &UsbIoHandleCount,\r | |
2000 | &UsbIoHandleBuffer\r | |
2001 | );\r | |
2002 | if (EFI_ERROR (Status) || (UsbIoHandleCount == 0) || (UsbIoHandleBuffer == NULL)) {\r | |
2003 | return NULL;\r | |
2004 | }\r | |
2005 | \r | |
2006 | ParentSize = (ParentDevicePath == NULL) ? 0 : GetDevicePathSize (ParentDevicePath);\r | |
2007 | for (Index = 0; Index < UsbIoHandleCount; Index++) {\r | |
2008 | //\r | |
2009 | // Get the Usb IO interface.\r | |
2010 | //\r | |
2011 | Status = gBS->HandleProtocol(\r | |
2012 | UsbIoHandleBuffer[Index],\r | |
2013 | &gEfiUsbIoProtocolGuid,\r | |
2014 | (VOID **) &UsbIo\r | |
2015 | );\r | |
2016 | if (EFI_ERROR (Status)) {\r | |
2017 | continue;\r | |
2018 | }\r | |
2019 | \r | |
2020 | UsbIoDevicePath = DevicePathFromHandle (UsbIoHandleBuffer[Index]);\r | |
2021 | if (UsbIoDevicePath == NULL) {\r | |
2022 | continue;\r | |
2023 | }\r | |
2024 | \r | |
2025 | if (ParentDevicePath != NULL) {\r | |
2026 | //\r | |
2027 | // Compare starting part of UsbIoHandle's device path with ParentDevicePath.\r | |
2028 | //\r | |
2029 | Size = GetDevicePathSize (UsbIoDevicePath);\r | |
2030 | if ((Size < ParentSize) ||\r | |
2031 | (CompareMem (UsbIoDevicePath, ParentDevicePath, ParentSize - END_DEVICE_PATH_LENGTH) != 0)) {\r | |
2032 | continue;\r | |
2033 | }\r | |
2034 | }\r | |
2035 | \r | |
2036 | if (BdsMatchUsbClass (UsbIo, (USB_CLASS_DEVICE_PATH *) ShortFormDevicePath) ||\r | |
2037 | BdsMatchUsbWwid (UsbIo, (USB_WWID_DEVICE_PATH *) ShortFormDevicePath)) {\r | |
2038 | //\r | |
2039 | // Try to find if there is the boot file in this DevicePath\r | |
2040 | //\r | |
2041 | NextDevicePath = NextDevicePathNode (ShortFormDevicePath);\r | |
2042 | if (!IsDevicePathEnd (NextDevicePath)) {\r | |
2043 | FullDevicePath = AppendDevicePath (UsbIoDevicePath, NextDevicePath);\r | |
2044 | //\r | |
2045 | // Connect the full device path, so that Simple File System protocol\r | |
2046 | // could be installed for this USB device.\r | |
2047 | //\r | |
2048 | BdsLibConnectDevicePath (FullDevicePath);\r | |
2049 | REPORT_STATUS_CODE (EFI_PROGRESS_CODE, PcdGet32 (PcdProgressCodeOsLoaderLoad));\r | |
2050 | Status = gBS->LoadImage (\r | |
2051 | TRUE,\r | |
2052 | gImageHandle,\r | |
2053 | FullDevicePath,\r | |
2054 | NULL,\r | |
2055 | 0,\r | |
2056 | &ImageHandle\r | |
2057 | );\r | |
2058 | FreePool (FullDevicePath);\r | |
2059 | } else {\r | |
2060 | FullDevicePath = UsbIoDevicePath;\r | |
2061 | Status = EFI_NOT_FOUND;\r | |
2062 | }\r | |
2063 | \r | |
2064 | //\r | |
2065 | // If we didn't find an image directly, we need to try as if it is a removable device boot option\r | |
2066 | // and load the image according to the default boot behavior for removable device.\r | |
2067 | //\r | |
2068 | if (EFI_ERROR (Status)) {\r | |
2069 | //\r | |
2070 | // check if there is a bootable removable media could be found in this device path ,\r | |
2071 | // and get the bootable media handle\r | |
2072 | //\r | |
2073 | Handle = BdsLibGetBootableHandle(UsbIoDevicePath);\r | |
2074 | if (Handle == NULL) {\r | |
2075 | continue;\r | |
2076 | }\r | |
2077 | //\r | |
2078 | // Load the default boot file \EFI\BOOT\boot{machinename}.EFI from removable Media\r | |
2079 | // machinename is ia32, ia64, x64, ...\r | |
2080 | //\r | |
2081 | FullDevicePath = FileDevicePath (Handle, EFI_REMOVABLE_MEDIA_FILE_NAME);\r | |
2082 | if (FullDevicePath != NULL) {\r | |
2083 | REPORT_STATUS_CODE (EFI_PROGRESS_CODE, PcdGet32 (PcdProgressCodeOsLoaderLoad));\r | |
2084 | Status = gBS->LoadImage (\r | |
2085 | TRUE,\r | |
2086 | gImageHandle,\r | |
2087 | FullDevicePath,\r | |
2088 | NULL,\r | |
2089 | 0,\r | |
2090 | &ImageHandle\r | |
2091 | );\r | |
2092 | if (EFI_ERROR (Status)) {\r | |
2093 | //\r | |
2094 | // The DevicePath failed, and it's not a valid\r | |
2095 | // removable media device.\r | |
2096 | //\r | |
2097 | continue;\r | |
2098 | }\r | |
2099 | } else {\r | |
2100 | continue;\r | |
2101 | }\r | |
2102 | }\r | |
2103 | break;\r | |
2104 | }\r | |
2105 | }\r | |
2106 | \r | |
2107 | FreePool (UsbIoHandleBuffer);\r | |
2108 | return ImageHandle;\r | |
2109 | }\r | |
2110 | \r | |
2111 | /**\r | |
2112 | Expand USB Class or USB WWID device path node to be full device path of a USB\r | |
2113 | device in platform then load the boot file on this full device path and return the \r | |
2114 | image handle.\r | |
2115 | \r | |
2116 | This function support following 4 cases:\r | |
2117 | 1) Boot Option device path starts with a USB Class or USB WWID device path,\r | |
2118 | and there is no Media FilePath device path in the end.\r | |
2119 | In this case, it will follow Removable Media Boot Behavior.\r | |
2120 | 2) Boot Option device path starts with a USB Class or USB WWID device path,\r | |
2121 | and ended with Media FilePath device path.\r | |
2122 | 3) Boot Option device path starts with a full device path to a USB Host Controller,\r | |
2123 | contains a USB Class or USB WWID device path node, while not ended with Media\r | |
2124 | FilePath device path. In this case, it will follow Removable Media Boot Behavior.\r | |
2125 | 4) Boot Option device path starts with a full device path to a USB Host Controller,\r | |
2126 | contains a USB Class or USB WWID device path node, and ended with Media\r | |
2127 | FilePath device path.\r | |
2128 | \r | |
2129 | @param DevicePath The Boot Option device path.\r | |
2130 | \r | |
2131 | @return The image handle of boot file, or NULL if there is no boot file found in\r | |
2132 | the specified USB Class or USB WWID device path.\r | |
2133 | \r | |
2134 | **/\r | |
2135 | EFI_HANDLE *\r | |
2136 | BdsExpandUsbShortFormDevicePath (\r | |
2137 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath\r | |
2138 | )\r | |
2139 | {\r | |
2140 | EFI_HANDLE *ImageHandle;\r | |
2141 | EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;\r | |
2142 | EFI_DEVICE_PATH_PROTOCOL *ShortFormDevicePath;\r | |
2143 | \r | |
2144 | //\r | |
2145 | // Search for USB Class or USB WWID device path node.\r | |
2146 | //\r | |
2147 | ShortFormDevicePath = NULL;\r | |
2148 | ImageHandle = NULL;\r | |
2149 | TempDevicePath = DevicePath;\r | |
2150 | while (!IsDevicePathEnd (TempDevicePath)) {\r | |
2151 | if ((DevicePathType (TempDevicePath) == MESSAGING_DEVICE_PATH) &&\r | |
2152 | ((DevicePathSubType (TempDevicePath) == MSG_USB_CLASS_DP) ||\r | |
2153 | (DevicePathSubType (TempDevicePath) == MSG_USB_WWID_DP))) {\r | |
2154 | ShortFormDevicePath = TempDevicePath;\r | |
2155 | break;\r | |
2156 | }\r | |
2157 | TempDevicePath = NextDevicePathNode (TempDevicePath);\r | |
2158 | }\r | |
2159 | \r | |
2160 | if (ShortFormDevicePath == NULL) {\r | |
2161 | //\r | |
2162 | // No USB Class or USB WWID device path node found, do nothing.\r | |
2163 | //\r | |
2164 | return NULL;\r | |
2165 | }\r | |
2166 | \r | |
2167 | if (ShortFormDevicePath == DevicePath) {\r | |
2168 | //\r | |
2169 | // Boot Option device path starts with USB Class or USB WWID device path.\r | |
2170 | //\r | |
2171 | ImageHandle = BdsFindUsbDevice (NULL, ShortFormDevicePath);\r | |
2172 | if (ImageHandle == NULL) {\r | |
2173 | //\r | |
2174 | // Failed to find a match in existing devices, connect the short form USB\r | |
2175 | // device path and try again.\r | |
2176 | //\r | |
2177 | BdsLibConnectUsbDevByShortFormDP (0xff, ShortFormDevicePath);\r | |
2178 | ImageHandle = BdsFindUsbDevice (NULL, ShortFormDevicePath);\r | |
2179 | }\r | |
2180 | } else {\r | |
2181 | //\r | |
2182 | // Boot Option device path contains USB Class or USB WWID device path node.\r | |
2183 | //\r | |
2184 | \r | |
2185 | //\r | |
2186 | // Prepare the parent device path for search.\r | |
2187 | //\r | |
2188 | TempDevicePath = DuplicateDevicePath (DevicePath);\r | |
2189 | ASSERT (TempDevicePath != NULL);\r | |
2190 | SetDevicePathEndNode (((UINT8 *) TempDevicePath) + ((UINTN) ShortFormDevicePath - (UINTN) DevicePath));\r | |
2191 | \r | |
2192 | //\r | |
2193 | // The USB Host Controller device path is already in Boot Option device path\r | |
2194 | // and USB Bus driver already support RemainingDevicePath starts with USB\r | |
2195 | // Class or USB WWID device path, so just search in existing USB devices and\r | |
2196 | // doesn't perform ConnectController here.\r | |
2197 | //\r | |
2198 | ImageHandle = BdsFindUsbDevice (TempDevicePath, ShortFormDevicePath);\r | |
2199 | FreePool (TempDevicePath);\r | |
2200 | }\r | |
2201 | \r | |
2202 | return ImageHandle;\r | |
2203 | }\r | |
2204 | \r | |
2205 | /**\r | |
2206 | Process the boot option follow the UEFI specification and\r | |
2207 | special treat the legacy boot option with BBS_DEVICE_PATH.\r | |
2208 | \r | |
2209 | @param Option The boot option need to be processed\r | |
2210 | @param DevicePath The device path which describe where to load the\r | |
2211 | boot image or the legacy BBS device path to boot\r | |
2212 | the legacy OS\r | |
2213 | @param ExitDataSize The size of exit data.\r | |
2214 | @param ExitData Data returned when Boot image failed.\r | |
2215 | \r | |
2216 | @retval EFI_SUCCESS Boot from the input boot option successfully.\r | |
2217 | @retval EFI_NOT_FOUND If the Device Path is not found in the system\r | |
2218 | \r | |
2219 | **/\r | |
2220 | EFI_STATUS\r | |
2221 | EFIAPI\r | |
2222 | BdsLibBootViaBootOption (\r | |
2223 | IN BDS_COMMON_OPTION *Option,\r | |
2224 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r | |
2225 | OUT UINTN *ExitDataSize,\r | |
2226 | OUT CHAR16 **ExitData OPTIONAL\r | |
2227 | )\r | |
2228 | {\r | |
2229 | EFI_STATUS Status;\r | |
2230 | EFI_STATUS StatusLogo;\r | |
2231 | EFI_HANDLE Handle;\r | |
2232 | EFI_HANDLE ImageHandle;\r | |
2233 | EFI_DEVICE_PATH_PROTOCOL *FilePath;\r | |
2234 | EFI_LOADED_IMAGE_PROTOCOL *ImageInfo;\r | |
2235 | EFI_DEVICE_PATH_PROTOCOL *WorkingDevicePath;\r | |
2236 | EFI_ACPI_S3_SAVE_PROTOCOL *AcpiS3Save;\r | |
2237 | LIST_ENTRY TempBootLists;\r | |
2238 | EFI_BOOT_LOGO_PROTOCOL *BootLogo;\r | |
2239 | \r | |
2240 | *ExitDataSize = 0;\r | |
2241 | *ExitData = NULL;\r | |
2242 | \r | |
2243 | //\r | |
2244 | // Notes: this code can be remove after the s3 script table\r | |
2245 | // hook on the event EVT_SIGNAL_READY_TO_BOOT or\r | |
2246 | // EVT_SIGNAL_LEGACY_BOOT\r | |
2247 | //\r | |
2248 | Status = gBS->LocateProtocol (&gEfiAcpiS3SaveProtocolGuid, NULL, (VOID **) &AcpiS3Save);\r | |
2249 | if (!EFI_ERROR (Status)) {\r | |
2250 | AcpiS3Save->S3Save (AcpiS3Save, NULL);\r | |
2251 | }\r | |
2252 | //\r | |
2253 | // If it's Device Path that starts with a hard drive path, append it with the front part to compose a\r | |
2254 | // full device path\r | |
2255 | //\r | |
2256 | WorkingDevicePath = NULL;\r | |
2257 | if ((DevicePathType (DevicePath) == MEDIA_DEVICE_PATH) &&\r | |
2258 | (DevicePathSubType (DevicePath) == MEDIA_HARDDRIVE_DP)) {\r | |
2259 | WorkingDevicePath = BdsExpandPartitionPartialDevicePathToFull (\r | |
2260 | (HARDDRIVE_DEVICE_PATH *)DevicePath\r | |
2261 | );\r | |
2262 | if (WorkingDevicePath != NULL) {\r | |
2263 | DevicePath = WorkingDevicePath;\r | |
2264 | }\r | |
2265 | }\r | |
2266 | \r | |
2267 | //\r | |
2268 | // Set Boot Current\r | |
2269 | //\r | |
2270 | if (IsBootOptionValidNVVarialbe (Option)) {\r | |
2271 | //\r | |
2272 | // For a temporary boot (i.e. a boot by selected a EFI Shell using "Boot From File"), Boot Current is actually not valid.\r | |
2273 | // In this case, "BootCurrent" is not created.\r | |
2274 | // Only create the BootCurrent variable when it points to a valid Boot#### variable.\r | |
2275 | //\r | |
2276 | SetVariableAndReportStatusCodeOnError (\r | |
2277 | L"BootCurrent",\r | |
2278 | &gEfiGlobalVariableGuid,\r | |
2279 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r | |
2280 | sizeof (UINT16),\r | |
2281 | &Option->BootCurrent\r | |
2282 | );\r | |
2283 | }\r | |
2284 | \r | |
2285 | //\r | |
2286 | // Report Status Code to indicate ReadyToBoot event will be signalled\r | |
2287 | //\r | |
2288 | REPORT_STATUS_CODE (EFI_PROGRESS_CODE, (EFI_SOFTWARE_DXE_BS_DRIVER | EFI_SW_DXE_BS_PC_READY_TO_BOOT_EVENT));\r | |
2289 | \r | |
2290 | //\r | |
2291 | // Signal the EVT_SIGNAL_READY_TO_BOOT event\r | |
2292 | //\r | |
2293 | EfiSignalEventReadyToBoot();\r | |
2294 | \r | |
2295 | //\r | |
2296 | // Expand USB Class or USB WWID device path node to be full device path of a USB\r | |
2297 | // device in platform then load the boot file on this full device path and get the\r | |
2298 | // image handle.\r | |
2299 | //\r | |
2300 | ImageHandle = BdsExpandUsbShortFormDevicePath (DevicePath);\r | |
2301 | \r | |
2302 | //\r | |
2303 | // Adjust the different type memory page number just before booting\r | |
2304 | // and save the updated info into the variable for next boot to use\r | |
2305 | //\r | |
2306 | BdsSetMemoryTypeInformationVariable ();\r | |
2307 | \r | |
2308 | //\r | |
2309 | // By expanding the USB Class or WWID device path, the ImageHandle has returnned.\r | |
2310 | // Here get the ImageHandle for the non USB class or WWID device path.\r | |
2311 | //\r | |
2312 | if (ImageHandle == NULL) {\r | |
2313 | ASSERT (Option->DevicePath != NULL);\r | |
2314 | if ((DevicePathType (Option->DevicePath) == BBS_DEVICE_PATH) &&\r | |
2315 | (DevicePathSubType (Option->DevicePath) == BBS_BBS_DP)\r | |
2316 | ) {\r | |
2317 | //\r | |
2318 | // Check to see if we should legacy BOOT. If yes then do the legacy boot\r | |
2319 | //\r | |
2320 | return BdsLibDoLegacyBoot (Option);\r | |
2321 | }\r | |
2322 | \r | |
2323 | //\r | |
2324 | // If the boot option point to Internal FV shell, make sure it is valid\r | |
2325 | //\r | |
2326 | Status = BdsLibUpdateFvFileDevicePath (&DevicePath, PcdGetPtr(PcdShellFile));\r | |
2327 | if (!EFI_ERROR(Status)) {\r | |
2328 | if (Option->DevicePath != NULL) {\r | |
2329 | FreePool(Option->DevicePath);\r | |
2330 | }\r | |
2331 | Option->DevicePath = AllocateZeroPool (GetDevicePathSize (DevicePath));\r | |
2332 | ASSERT(Option->DevicePath != NULL);\r | |
2333 | CopyMem (Option->DevicePath, DevicePath, GetDevicePathSize (DevicePath));\r | |
2334 | //\r | |
2335 | // Update the shell boot option\r | |
2336 | //\r | |
2337 | InitializeListHead (&TempBootLists);\r | |
2338 | BdsLibRegisterNewOption (&TempBootLists, DevicePath, L"EFI Internal Shell", L"BootOrder");\r | |
2339 | \r | |
2340 | //\r | |
2341 | // free the temporary device path created by BdsLibUpdateFvFileDevicePath()\r | |
2342 | //\r | |
2343 | FreePool (DevicePath);\r | |
2344 | DevicePath = Option->DevicePath;\r | |
2345 | }\r | |
2346 | \r | |
2347 | DEBUG_CODE_BEGIN();\r | |
2348 | \r | |
2349 | if (Option->Description == NULL) {\r | |
2350 | DEBUG ((DEBUG_INFO | DEBUG_LOAD, "Booting from unknown device path\n"));\r | |
2351 | } else {\r | |
2352 | DEBUG ((DEBUG_INFO | DEBUG_LOAD, "Booting %S\n", Option->Description));\r | |
2353 | }\r | |
2354 | \r | |
2355 | DEBUG_CODE_END();\r | |
2356 | \r | |
2357 | //\r | |
2358 | // Report status code for OS Loader LoadImage.\r | |
2359 | //\r | |
2360 | REPORT_STATUS_CODE (EFI_PROGRESS_CODE, PcdGet32 (PcdProgressCodeOsLoaderLoad));\r | |
2361 | Status = gBS->LoadImage (\r | |
2362 | TRUE,\r | |
2363 | gImageHandle,\r | |
2364 | DevicePath,\r | |
2365 | NULL,\r | |
2366 | 0,\r | |
2367 | &ImageHandle\r | |
2368 | );\r | |
2369 | \r | |
2370 | //\r | |
2371 | // If we didn't find an image directly, we need to try as if it is a removable device boot option\r | |
2372 | // and load the image according to the default boot behavior for removable device.\r | |
2373 | //\r | |
2374 | if (EFI_ERROR (Status)) {\r | |
2375 | //\r | |
2376 | // check if there is a bootable removable media could be found in this device path ,\r | |
2377 | // and get the bootable media handle\r | |
2378 | //\r | |
2379 | Handle = BdsLibGetBootableHandle(DevicePath);\r | |
2380 | if (Handle != NULL) {\r | |
2381 | //\r | |
2382 | // Load the default boot file \EFI\BOOT\boot{machinename}.EFI from removable Media\r | |
2383 | // machinename is ia32, ia64, x64, ...\r | |
2384 | //\r | |
2385 | FilePath = FileDevicePath (Handle, EFI_REMOVABLE_MEDIA_FILE_NAME);\r | |
2386 | if (FilePath != NULL) {\r | |
2387 | REPORT_STATUS_CODE (EFI_PROGRESS_CODE, PcdGet32 (PcdProgressCodeOsLoaderLoad));\r | |
2388 | Status = gBS->LoadImage (\r | |
2389 | TRUE,\r | |
2390 | gImageHandle,\r | |
2391 | FilePath,\r | |
2392 | NULL,\r | |
2393 | 0,\r | |
2394 | &ImageHandle\r | |
2395 | );\r | |
2396 | }\r | |
2397 | }\r | |
2398 | }\r | |
2399 | }\r | |
2400 | //\r | |
2401 | // Provide the image with it's load options\r | |
2402 | //\r | |
2403 | if ((ImageHandle == NULL) || (EFI_ERROR(Status))) {\r | |
2404 | //\r | |
2405 | // Report Status Code to indicate that the failure to load boot option\r | |
2406 | //\r | |
2407 | REPORT_STATUS_CODE (\r | |
2408 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
2409 | (EFI_SOFTWARE_DXE_BS_DRIVER | EFI_SW_DXE_BS_EC_BOOT_OPTION_LOAD_ERROR)\r | |
2410 | ); \r | |
2411 | goto Done;\r | |
2412 | }\r | |
2413 | \r | |
2414 | Status = gBS->HandleProtocol (ImageHandle, &gEfiLoadedImageProtocolGuid, (VOID **) &ImageInfo);\r | |
2415 | ASSERT_EFI_ERROR (Status);\r | |
2416 | \r | |
2417 | if (Option->LoadOptionsSize != 0) {\r | |
2418 | ImageInfo->LoadOptionsSize = Option->LoadOptionsSize;\r | |
2419 | ImageInfo->LoadOptions = Option->LoadOptions;\r | |
2420 | }\r | |
2421 | \r | |
2422 | //\r | |
2423 | // Clean to NULL because the image is loaded directly from the firmwares boot manager.\r | |
2424 | //\r | |
2425 | ImageInfo->ParentHandle = NULL;\r | |
2426 | \r | |
2427 | //\r | |
2428 | // Before calling the image, enable the Watchdog Timer for\r | |
2429 | // the 5 Minute period\r | |
2430 | //\r | |
2431 | gBS->SetWatchdogTimer (5 * 60, 0x0000, 0x00, NULL);\r | |
2432 | \r | |
2433 | //\r | |
2434 | // Write boot to OS performance data for UEFI boot\r | |
2435 | //\r | |
2436 | PERF_CODE (\r | |
2437 | WriteBootToOsPerformanceData (NULL, NULL);\r | |
2438 | );\r | |
2439 | \r | |
2440 | //\r | |
2441 | // Report status code for OS Loader StartImage.\r | |
2442 | //\r | |
2443 | REPORT_STATUS_CODE (EFI_PROGRESS_CODE, PcdGet32 (PcdProgressCodeOsLoaderStart));\r | |
2444 | \r | |
2445 | Status = gBS->StartImage (ImageHandle, ExitDataSize, ExitData);\r | |
2446 | DEBUG ((DEBUG_INFO | DEBUG_LOAD, "Image Return Status = %r\n", Status));\r | |
2447 | if (EFI_ERROR (Status)) {\r | |
2448 | //\r | |
2449 | // Report Status Code to indicate that boot failure\r | |
2450 | //\r | |
2451 | REPORT_STATUS_CODE (\r | |
2452 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
2453 | (EFI_SOFTWARE_DXE_BS_DRIVER | EFI_SW_DXE_BS_EC_BOOT_OPTION_FAILED)\r | |
2454 | );\r | |
2455 | }\r | |
2456 | \r | |
2457 | //\r | |
2458 | // Clear the Watchdog Timer after the image returns\r | |
2459 | //\r | |
2460 | gBS->SetWatchdogTimer (0x0000, 0x0000, 0x0000, NULL);\r | |
2461 | \r | |
2462 | Done:\r | |
2463 | //\r | |
2464 | // Set Logo status invalid after trying one boot option\r | |
2465 | //\r | |
2466 | BootLogo = NULL;\r | |
2467 | StatusLogo = gBS->LocateProtocol (&gEfiBootLogoProtocolGuid, NULL, (VOID **) &BootLogo);\r | |
2468 | if (!EFI_ERROR (StatusLogo) && (BootLogo != NULL)) {\r | |
2469 | BootLogo->SetBootLogo (BootLogo, NULL, 0, 0, 0, 0);\r | |
2470 | }\r | |
2471 | \r | |
2472 | //\r | |
2473 | // Clear Boot Current\r | |
2474 | // Deleting variable with current implementation shouldn't fail.\r | |
2475 | //\r | |
2476 | gRT->SetVariable (\r | |
2477 | L"BootCurrent",\r | |
2478 | &gEfiGlobalVariableGuid,\r | |
2479 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r | |
2480 | 0,\r | |
2481 | NULL\r | |
2482 | );\r | |
2483 | \r | |
2484 | return Status;\r | |
2485 | }\r | |
2486 | \r | |
2487 | \r | |
2488 | /**\r | |
2489 | Expand a device path that starts with a hard drive media device path node to be a\r | |
2490 | full device path that includes the full hardware path to the device. We need\r | |
2491 | to do this so it can be booted. As an optimization the front match (the part point\r | |
2492 | to the partition node. E.g. ACPI() /PCI()/ATA()/Partition() ) is saved in a variable\r | |
2493 | so a connect all is not required on every boot. All successful history device path\r | |
2494 | which point to partition node (the front part) will be saved.\r | |
2495 | \r | |
2496 | @param HardDriveDevicePath EFI Device Path to boot, if it starts with a hard\r | |
2497 | drive media device path.\r | |
2498 | @return A Pointer to the full device path or NULL if a valid Hard Drive devic path\r | |
2499 | cannot be found.\r | |
2500 | \r | |
2501 | **/\r | |
2502 | EFI_DEVICE_PATH_PROTOCOL *\r | |
2503 | EFIAPI\r | |
2504 | BdsExpandPartitionPartialDevicePathToFull (\r | |
2505 | IN HARDDRIVE_DEVICE_PATH *HardDriveDevicePath\r | |
2506 | )\r | |
2507 | {\r | |
2508 | EFI_STATUS Status;\r | |
2509 | UINTN BlockIoHandleCount;\r | |
2510 | EFI_HANDLE *BlockIoBuffer;\r | |
2511 | EFI_DEVICE_PATH_PROTOCOL *FullDevicePath;\r | |
2512 | EFI_DEVICE_PATH_PROTOCOL *BlockIoDevicePath;\r | |
2513 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
2514 | UINTN Index;\r | |
2515 | UINTN InstanceNum;\r | |
2516 | EFI_DEVICE_PATH_PROTOCOL *CachedDevicePath;\r | |
2517 | EFI_DEVICE_PATH_PROTOCOL *TempNewDevicePath;\r | |
2518 | UINTN CachedDevicePathSize;\r | |
2519 | BOOLEAN DeviceExist;\r | |
2520 | BOOLEAN NeedAdjust;\r | |
2521 | EFI_DEVICE_PATH_PROTOCOL *Instance;\r | |
2522 | UINTN Size;\r | |
2523 | \r | |
2524 | FullDevicePath = NULL;\r | |
2525 | //\r | |
2526 | // Check if there is prestore HD_BOOT_DEVICE_PATH_VARIABLE_NAME variable.\r | |
2527 | // If exist, search the front path which point to partition node in the variable instants.\r | |
2528 | // If fail to find or HD_BOOT_DEVICE_PATH_VARIABLE_NAME not exist, reconnect all and search in all system\r | |
2529 | //\r | |
2530 | GetVariable2 (\r | |
2531 | HD_BOOT_DEVICE_PATH_VARIABLE_NAME,\r | |
2532 | &gHdBootDevicePathVariablGuid,\r | |
2533 | (VOID **) &CachedDevicePath,\r | |
2534 | &CachedDevicePathSize\r | |
2535 | );\r | |
2536 | \r | |
2537 | //\r | |
2538 | // Delete the invalid HD_BOOT_DEVICE_PATH_VARIABLE_NAME variable.\r | |
2539 | //\r | |
2540 | if ((CachedDevicePath != NULL) && !IsDevicePathValid (CachedDevicePath, CachedDevicePathSize)) {\r | |
2541 | FreePool (CachedDevicePath);\r | |
2542 | CachedDevicePath = NULL;\r | |
2543 | Status = gRT->SetVariable (\r | |
2544 | HD_BOOT_DEVICE_PATH_VARIABLE_NAME,\r | |
2545 | &gHdBootDevicePathVariablGuid,\r | |
2546 | 0,\r | |
2547 | 0,\r | |
2548 | NULL\r | |
2549 | );\r | |
2550 | ASSERT_EFI_ERROR (Status);\r | |
2551 | }\r | |
2552 | \r | |
2553 | if (CachedDevicePath != NULL) {\r | |
2554 | TempNewDevicePath = CachedDevicePath;\r | |
2555 | DeviceExist = FALSE;\r | |
2556 | NeedAdjust = FALSE;\r | |
2557 | do {\r | |
2558 | //\r | |
2559 | // Check every instance of the variable\r | |
2560 | // First, check whether the instance contain the partition node, which is needed for distinguishing multi\r | |
2561 | // partial partition boot option. Second, check whether the instance could be connected.\r | |
2562 | //\r | |
2563 | Instance = GetNextDevicePathInstance (&TempNewDevicePath, &Size);\r | |
2564 | if (MatchPartitionDevicePathNode (Instance, HardDriveDevicePath)) {\r | |
2565 | //\r | |
2566 | // Connect the device path instance, the device path point to hard drive media device path node\r | |
2567 | // e.g. ACPI() /PCI()/ATA()/Partition()\r | |
2568 | //\r | |
2569 | Status = BdsLibConnectDevicePath (Instance);\r | |
2570 | if (!EFI_ERROR (Status)) {\r | |
2571 | DeviceExist = TRUE;\r | |
2572 | break;\r | |
2573 | }\r | |
2574 | }\r | |
2575 | //\r | |
2576 | // Come here means the first instance is not matched\r | |
2577 | //\r | |
2578 | NeedAdjust = TRUE;\r | |
2579 | FreePool(Instance);\r | |
2580 | } while (TempNewDevicePath != NULL);\r | |
2581 | \r | |
2582 | if (DeviceExist) {\r | |
2583 | //\r | |
2584 | // Find the matched device path.\r | |
2585 | // Append the file path information from the boot option and return the fully expanded device path.\r | |
2586 | //\r | |
2587 | DevicePath = NextDevicePathNode ((EFI_DEVICE_PATH_PROTOCOL *) HardDriveDevicePath);\r | |
2588 | FullDevicePath = AppendDevicePath (Instance, DevicePath);\r | |
2589 | \r | |
2590 | //\r | |
2591 | // Adjust the HD_BOOT_DEVICE_PATH_VARIABLE_NAME instances sequence if the matched one is not first one.\r | |
2592 | //\r | |
2593 | if (NeedAdjust) {\r | |
2594 | //\r | |
2595 | // First delete the matched instance.\r | |
2596 | //\r | |
2597 | TempNewDevicePath = CachedDevicePath;\r | |
2598 | CachedDevicePath = BdsLibDelPartMatchInstance (CachedDevicePath, Instance );\r | |
2599 | FreePool (TempNewDevicePath);\r | |
2600 | \r | |
2601 | //\r | |
2602 | // Second, append the remaining path after the matched instance\r | |
2603 | //\r | |
2604 | TempNewDevicePath = CachedDevicePath;\r | |
2605 | CachedDevicePath = AppendDevicePathInstance (Instance, CachedDevicePath );\r | |
2606 | FreePool (TempNewDevicePath);\r | |
2607 | //\r | |
2608 | // Save the matching Device Path so we don't need to do a connect all next time\r | |
2609 | // Failure to set the variable only impacts the performance when next time expanding the short-form device path.\r | |
2610 | //\r | |
2611 | Status = gRT->SetVariable (\r | |
2612 | HD_BOOT_DEVICE_PATH_VARIABLE_NAME,\r | |
2613 | &gHdBootDevicePathVariablGuid,\r | |
2614 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_NON_VOLATILE,\r | |
2615 | GetDevicePathSize (CachedDevicePath),\r | |
2616 | CachedDevicePath\r | |
2617 | );\r | |
2618 | }\r | |
2619 | \r | |
2620 | FreePool (Instance);\r | |
2621 | FreePool (CachedDevicePath);\r | |
2622 | return FullDevicePath;\r | |
2623 | }\r | |
2624 | }\r | |
2625 | \r | |
2626 | //\r | |
2627 | // If we get here we fail to find or HD_BOOT_DEVICE_PATH_VARIABLE_NAME not exist, and now we need\r | |
2628 | // to search all devices in the system for a matched partition\r | |
2629 | //\r | |
2630 | BdsLibConnectAllDriversToAllControllers ();\r | |
2631 | Status = gBS->LocateHandleBuffer (ByProtocol, &gEfiBlockIoProtocolGuid, NULL, &BlockIoHandleCount, &BlockIoBuffer);\r | |
2632 | if (EFI_ERROR (Status) || BlockIoHandleCount == 0 || BlockIoBuffer == NULL) {\r | |
2633 | //\r | |
2634 | // If there was an error or there are no device handles that support\r | |
2635 | // the BLOCK_IO Protocol, then return.\r | |
2636 | //\r | |
2637 | return NULL;\r | |
2638 | }\r | |
2639 | //\r | |
2640 | // Loop through all the device handles that support the BLOCK_IO Protocol\r | |
2641 | //\r | |
2642 | for (Index = 0; Index < BlockIoHandleCount; Index++) {\r | |
2643 | \r | |
2644 | Status = gBS->HandleProtocol (BlockIoBuffer[Index], &gEfiDevicePathProtocolGuid, (VOID *) &BlockIoDevicePath);\r | |
2645 | if (EFI_ERROR (Status) || BlockIoDevicePath == NULL) {\r | |
2646 | continue;\r | |
2647 | }\r | |
2648 | \r | |
2649 | if (MatchPartitionDevicePathNode (BlockIoDevicePath, HardDriveDevicePath)) {\r | |
2650 | //\r | |
2651 | // Find the matched partition device path\r | |
2652 | //\r | |
2653 | DevicePath = NextDevicePathNode ((EFI_DEVICE_PATH_PROTOCOL *) HardDriveDevicePath);\r | |
2654 | FullDevicePath = AppendDevicePath (BlockIoDevicePath, DevicePath);\r | |
2655 | \r | |
2656 | //\r | |
2657 | // Save the matched partition device path in HD_BOOT_DEVICE_PATH_VARIABLE_NAME variable\r | |
2658 | //\r | |
2659 | if (CachedDevicePath != NULL) {\r | |
2660 | //\r | |
2661 | // Save the matched partition device path as first instance of HD_BOOT_DEVICE_PATH_VARIABLE_NAME variable\r | |
2662 | //\r | |
2663 | if (BdsLibMatchDevicePaths (CachedDevicePath, BlockIoDevicePath)) {\r | |
2664 | TempNewDevicePath = CachedDevicePath;\r | |
2665 | CachedDevicePath = BdsLibDelPartMatchInstance (CachedDevicePath, BlockIoDevicePath);\r | |
2666 | FreePool(TempNewDevicePath);\r | |
2667 | }\r | |
2668 | \r | |
2669 | if (CachedDevicePath != NULL) {\r | |
2670 | TempNewDevicePath = CachedDevicePath;\r | |
2671 | CachedDevicePath = AppendDevicePathInstance (BlockIoDevicePath, CachedDevicePath);\r | |
2672 | FreePool(TempNewDevicePath);\r | |
2673 | } else {\r | |
2674 | CachedDevicePath = DuplicateDevicePath (BlockIoDevicePath);\r | |
2675 | }\r | |
2676 | \r | |
2677 | //\r | |
2678 | // Here limit the device path instance number to 12, which is max number for a system support 3 IDE controller\r | |
2679 | // If the user try to boot many OS in different HDs or partitions, in theory, \r | |
2680 | // the HD_BOOT_DEVICE_PATH_VARIABLE_NAME variable maybe become larger and larger.\r | |
2681 | //\r | |
2682 | InstanceNum = 0;\r | |
2683 | ASSERT (CachedDevicePath != NULL);\r | |
2684 | TempNewDevicePath = CachedDevicePath;\r | |
2685 | while (!IsDevicePathEnd (TempNewDevicePath)) {\r | |
2686 | TempNewDevicePath = NextDevicePathNode (TempNewDevicePath);\r | |
2687 | //\r | |
2688 | // Parse one instance\r | |
2689 | //\r | |
2690 | while (!IsDevicePathEndType (TempNewDevicePath)) {\r | |
2691 | TempNewDevicePath = NextDevicePathNode (TempNewDevicePath);\r | |
2692 | }\r | |
2693 | InstanceNum++;\r | |
2694 | //\r | |
2695 | // If the CachedDevicePath variable contain too much instance, only remain 12 instances.\r | |
2696 | //\r | |
2697 | if (InstanceNum >= 12) {\r | |
2698 | SetDevicePathEndNode (TempNewDevicePath);\r | |
2699 | break;\r | |
2700 | }\r | |
2701 | }\r | |
2702 | } else {\r | |
2703 | CachedDevicePath = DuplicateDevicePath (BlockIoDevicePath);\r | |
2704 | }\r | |
2705 | \r | |
2706 | //\r | |
2707 | // Save the matching Device Path so we don't need to do a connect all next time\r | |
2708 | // Failure to set the variable only impacts the performance when next time expanding the short-form device path.\r | |
2709 | //\r | |
2710 | Status = gRT->SetVariable (\r | |
2711 | HD_BOOT_DEVICE_PATH_VARIABLE_NAME,\r | |
2712 | &gHdBootDevicePathVariablGuid,\r | |
2713 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_NON_VOLATILE,\r | |
2714 | GetDevicePathSize (CachedDevicePath),\r | |
2715 | CachedDevicePath\r | |
2716 | );\r | |
2717 | \r | |
2718 | break;\r | |
2719 | }\r | |
2720 | }\r | |
2721 | \r | |
2722 | if (CachedDevicePath != NULL) {\r | |
2723 | FreePool (CachedDevicePath);\r | |
2724 | }\r | |
2725 | if (BlockIoBuffer != NULL) {\r | |
2726 | FreePool (BlockIoBuffer);\r | |
2727 | }\r | |
2728 | return FullDevicePath;\r | |
2729 | }\r | |
2730 | \r | |
2731 | /**\r | |
2732 | Check whether there is a instance in BlockIoDevicePath, which contain multi device path\r | |
2733 | instances, has the same partition node with HardDriveDevicePath device path\r | |
2734 | \r | |
2735 | @param BlockIoDevicePath Multi device path instances which need to check\r | |
2736 | @param HardDriveDevicePath A device path which starts with a hard drive media\r | |
2737 | device path.\r | |
2738 | \r | |
2739 | @retval TRUE There is a matched device path instance.\r | |
2740 | @retval FALSE There is no matched device path instance.\r | |
2741 | \r | |
2742 | **/\r | |
2743 | BOOLEAN\r | |
2744 | EFIAPI\r | |
2745 | MatchPartitionDevicePathNode (\r | |
2746 | IN EFI_DEVICE_PATH_PROTOCOL *BlockIoDevicePath,\r | |
2747 | IN HARDDRIVE_DEVICE_PATH *HardDriveDevicePath\r | |
2748 | )\r | |
2749 | {\r | |
2750 | HARDDRIVE_DEVICE_PATH *TmpHdPath;\r | |
2751 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
2752 | BOOLEAN Match;\r | |
2753 | EFI_DEVICE_PATH_PROTOCOL *BlockIoHdDevicePathNode;\r | |
2754 | \r | |
2755 | if ((BlockIoDevicePath == NULL) || (HardDriveDevicePath == NULL)) {\r | |
2756 | return FALSE;\r | |
2757 | }\r | |
2758 | \r | |
2759 | //\r | |
2760 | // Make PreviousDevicePath == the device path node before the end node\r | |
2761 | //\r | |
2762 | DevicePath = BlockIoDevicePath;\r | |
2763 | BlockIoHdDevicePathNode = NULL;\r | |
2764 | \r | |
2765 | //\r | |
2766 | // find the partition device path node\r | |
2767 | //\r | |
2768 | while (!IsDevicePathEnd (DevicePath)) {\r | |
2769 | if ((DevicePathType (DevicePath) == MEDIA_DEVICE_PATH) &&\r | |
2770 | (DevicePathSubType (DevicePath) == MEDIA_HARDDRIVE_DP)\r | |
2771 | ) {\r | |
2772 | BlockIoHdDevicePathNode = DevicePath;\r | |
2773 | break;\r | |
2774 | }\r | |
2775 | \r | |
2776 | DevicePath = NextDevicePathNode (DevicePath);\r | |
2777 | }\r | |
2778 | \r | |
2779 | if (BlockIoHdDevicePathNode == NULL) {\r | |
2780 | return FALSE;\r | |
2781 | }\r | |
2782 | //\r | |
2783 | // See if the harddrive device path in blockio matches the orig Hard Drive Node\r | |
2784 | //\r | |
2785 | TmpHdPath = (HARDDRIVE_DEVICE_PATH *) BlockIoHdDevicePathNode;\r | |
2786 | Match = FALSE;\r | |
2787 | \r | |
2788 | //\r | |
2789 | // Check for the match\r | |
2790 | //\r | |
2791 | if ((TmpHdPath->MBRType == HardDriveDevicePath->MBRType) &&\r | |
2792 | (TmpHdPath->SignatureType == HardDriveDevicePath->SignatureType)) {\r | |
2793 | switch (TmpHdPath->SignatureType) {\r | |
2794 | case SIGNATURE_TYPE_GUID:\r | |
2795 | Match = CompareGuid ((EFI_GUID *)TmpHdPath->Signature, (EFI_GUID *)HardDriveDevicePath->Signature);\r | |
2796 | break;\r | |
2797 | case SIGNATURE_TYPE_MBR:\r | |
2798 | Match = (BOOLEAN)(*((UINT32 *)(&(TmpHdPath->Signature[0]))) == ReadUnaligned32((UINT32 *)(&(HardDriveDevicePath->Signature[0]))));\r | |
2799 | break;\r | |
2800 | default:\r | |
2801 | Match = FALSE;\r | |
2802 | break;\r | |
2803 | }\r | |
2804 | }\r | |
2805 | \r | |
2806 | return Match;\r | |
2807 | }\r | |
2808 | \r | |
2809 | /**\r | |
2810 | Delete the boot option associated with the handle passed in.\r | |
2811 | \r | |
2812 | @param Handle The handle which present the device path to create\r | |
2813 | boot option\r | |
2814 | \r | |
2815 | @retval EFI_SUCCESS Delete the boot option success\r | |
2816 | @retval EFI_NOT_FOUND If the Device Path is not found in the system\r | |
2817 | @retval EFI_OUT_OF_RESOURCES Lack of memory resource\r | |
2818 | @retval Other Error return value from SetVariable()\r | |
2819 | \r | |
2820 | **/\r | |
2821 | EFI_STATUS\r | |
2822 | BdsLibDeleteOptionFromHandle (\r | |
2823 | IN EFI_HANDLE Handle\r | |
2824 | )\r | |
2825 | {\r | |
2826 | UINT16 *BootOrder;\r | |
2827 | UINT8 *BootOptionVar;\r | |
2828 | UINTN BootOrderSize;\r | |
2829 | UINTN BootOptionSize;\r | |
2830 | EFI_STATUS Status;\r | |
2831 | UINTN Index;\r | |
2832 | UINT16 BootOption[BOOT_OPTION_MAX_CHAR];\r | |
2833 | UINTN DevicePathSize;\r | |
2834 | UINTN OptionDevicePathSize;\r | |
2835 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
2836 | EFI_DEVICE_PATH_PROTOCOL *OptionDevicePath;\r | |
2837 | UINT8 *TempPtr;\r | |
2838 | \r | |
2839 | Status = EFI_SUCCESS;\r | |
2840 | BootOrder = NULL;\r | |
2841 | BootOrderSize = 0;\r | |
2842 | \r | |
2843 | //\r | |
2844 | // Check "BootOrder" variable, if no, means there is no any boot order.\r | |
2845 | //\r | |
2846 | BootOrder = BdsLibGetVariableAndSize (\r | |
2847 | L"BootOrder",\r | |
2848 | &gEfiGlobalVariableGuid,\r | |
2849 | &BootOrderSize\r | |
2850 | );\r | |
2851 | if (BootOrder == NULL) {\r | |
2852 | return EFI_NOT_FOUND;\r | |
2853 | }\r | |
2854 | \r | |
2855 | //\r | |
2856 | // Convert device handle to device path protocol instance\r | |
2857 | //\r | |
2858 | DevicePath = DevicePathFromHandle (Handle);\r | |
2859 | if (DevicePath == NULL) {\r | |
2860 | return EFI_NOT_FOUND;\r | |
2861 | }\r | |
2862 | DevicePathSize = GetDevicePathSize (DevicePath);\r | |
2863 | \r | |
2864 | //\r | |
2865 | // Loop all boot order variable and find the matching device path\r | |
2866 | //\r | |
2867 | Index = 0;\r | |
2868 | while (Index < BootOrderSize / sizeof (UINT16)) {\r | |
2869 | UnicodeSPrint (BootOption, sizeof (BootOption), L"Boot%04x", BootOrder[Index]);\r | |
2870 | BootOptionVar = BdsLibGetVariableAndSize (\r | |
2871 | BootOption,\r | |
2872 | &gEfiGlobalVariableGuid,\r | |
2873 | &BootOptionSize\r | |
2874 | );\r | |
2875 | \r | |
2876 | if (BootOptionVar == NULL) {\r | |
2877 | FreePool (BootOrder);\r | |
2878 | return EFI_OUT_OF_RESOURCES;\r | |
2879 | }\r | |
2880 | \r | |
2881 | if (!ValidateOption(BootOptionVar, BootOptionSize)) {\r | |
2882 | BdsDeleteBootOption (BootOrder[Index], BootOrder, &BootOrderSize);\r | |
2883 | FreePool (BootOptionVar);\r | |
2884 | Index++;\r | |
2885 | continue;\r | |
2886 | }\r | |
2887 | \r | |
2888 | TempPtr = BootOptionVar;\r | |
2889 | TempPtr += sizeof (UINT32) + sizeof (UINT16);\r | |
2890 | TempPtr += StrSize ((CHAR16 *) TempPtr);\r | |
2891 | OptionDevicePath = (EFI_DEVICE_PATH_PROTOCOL *) TempPtr;\r | |
2892 | OptionDevicePathSize = GetDevicePathSize (OptionDevicePath);\r | |
2893 | \r | |
2894 | //\r | |
2895 | // Check whether the device path match\r | |
2896 | //\r | |
2897 | if ((OptionDevicePathSize == DevicePathSize) &&\r | |
2898 | (CompareMem (DevicePath, OptionDevicePath, DevicePathSize) == 0)) {\r | |
2899 | BdsDeleteBootOption (BootOrder[Index], BootOrder, &BootOrderSize);\r | |
2900 | FreePool (BootOptionVar);\r | |
2901 | break;\r | |
2902 | }\r | |
2903 | \r | |
2904 | FreePool (BootOptionVar);\r | |
2905 | Index++;\r | |
2906 | }\r | |
2907 | \r | |
2908 | //\r | |
2909 | // Adjust number of boot option for "BootOrder" variable.\r | |
2910 | //\r | |
2911 | Status = gRT->SetVariable (\r | |
2912 | L"BootOrder",\r | |
2913 | &gEfiGlobalVariableGuid,\r | |
2914 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,\r | |
2915 | BootOrderSize,\r | |
2916 | BootOrder\r | |
2917 | );\r | |
2918 | //\r | |
2919 | // Shrinking variable with existing variable implementation shouldn't fail.\r | |
2920 | //\r | |
2921 | ASSERT_EFI_ERROR (Status);\r | |
2922 | \r | |
2923 | FreePool (BootOrder);\r | |
2924 | \r | |
2925 | return Status;\r | |
2926 | }\r | |
2927 | \r | |
2928 | \r | |
2929 | /**\r | |
2930 | Delete all invalid EFI boot options.\r | |
2931 | \r | |
2932 | @retval EFI_SUCCESS Delete all invalid boot option success\r | |
2933 | @retval EFI_NOT_FOUND Variable "BootOrder" is not found\r | |
2934 | @retval EFI_OUT_OF_RESOURCES Lack of memory resource\r | |
2935 | @retval Other Error return value from SetVariable()\r | |
2936 | \r | |
2937 | **/\r | |
2938 | EFI_STATUS\r | |
2939 | BdsDeleteAllInvalidEfiBootOption (\r | |
2940 | VOID\r | |
2941 | )\r | |
2942 | {\r | |
2943 | UINT16 *BootOrder;\r | |
2944 | UINT8 *BootOptionVar;\r | |
2945 | UINTN BootOrderSize;\r | |
2946 | UINTN BootOptionSize;\r | |
2947 | EFI_STATUS Status;\r | |
2948 | UINTN Index;\r | |
2949 | UINTN Index2;\r | |
2950 | UINT16 BootOption[BOOT_OPTION_MAX_CHAR];\r | |
2951 | EFI_DEVICE_PATH_PROTOCOL *OptionDevicePath;\r | |
2952 | UINT8 *TempPtr;\r | |
2953 | CHAR16 *Description;\r | |
2954 | BOOLEAN Corrupted;\r | |
2955 | \r | |
2956 | Status = EFI_SUCCESS;\r | |
2957 | BootOrder = NULL;\r | |
2958 | Description = NULL;\r | |
2959 | OptionDevicePath = NULL;\r | |
2960 | BootOrderSize = 0;\r | |
2961 | Corrupted = FALSE;\r | |
2962 | \r | |
2963 | //\r | |
2964 | // Check "BootOrder" variable firstly, this variable hold the number of boot options\r | |
2965 | //\r | |
2966 | BootOrder = BdsLibGetVariableAndSize (\r | |
2967 | L"BootOrder",\r | |
2968 | &gEfiGlobalVariableGuid,\r | |
2969 | &BootOrderSize\r | |
2970 | );\r | |
2971 | if (NULL == BootOrder) {\r | |
2972 | return EFI_NOT_FOUND;\r | |
2973 | }\r | |
2974 | \r | |
2975 | Index = 0;\r | |
2976 | while (Index < BootOrderSize / sizeof (UINT16)) {\r | |
2977 | UnicodeSPrint (BootOption, sizeof (BootOption), L"Boot%04x", BootOrder[Index]);\r | |
2978 | BootOptionVar = BdsLibGetVariableAndSize (\r | |
2979 | BootOption,\r | |
2980 | &gEfiGlobalVariableGuid,\r | |
2981 | &BootOptionSize\r | |
2982 | );\r | |
2983 | if (NULL == BootOptionVar) {\r | |
2984 | FreePool (BootOrder);\r | |
2985 | return EFI_OUT_OF_RESOURCES;\r | |
2986 | }\r | |
2987 | \r | |
2988 | if (!ValidateOption(BootOptionVar, BootOptionSize)) {\r | |
2989 | Corrupted = TRUE;\r | |
2990 | } else {\r | |
2991 | TempPtr = BootOptionVar;\r | |
2992 | TempPtr += sizeof (UINT32) + sizeof (UINT16);\r | |
2993 | Description = (CHAR16 *) TempPtr;\r | |
2994 | TempPtr += StrSize ((CHAR16 *) TempPtr);\r | |
2995 | OptionDevicePath = (EFI_DEVICE_PATH_PROTOCOL *) TempPtr;\r | |
2996 | \r | |
2997 | //\r | |
2998 | // Skip legacy boot option (BBS boot device)\r | |
2999 | //\r | |
3000 | if ((DevicePathType (OptionDevicePath) == BBS_DEVICE_PATH) &&\r | |
3001 | (DevicePathSubType (OptionDevicePath) == BBS_BBS_DP)) {\r | |
3002 | FreePool (BootOptionVar);\r | |
3003 | Index++;\r | |
3004 | continue;\r | |
3005 | }\r | |
3006 | }\r | |
3007 | \r | |
3008 | if (Corrupted || !BdsLibIsValidEFIBootOptDevicePathExt (OptionDevicePath, FALSE, Description)) {\r | |
3009 | //\r | |
3010 | // Delete this invalid boot option "Boot####"\r | |
3011 | //\r | |
3012 | Status = gRT->SetVariable (\r | |
3013 | BootOption,\r | |
3014 | &gEfiGlobalVariableGuid,\r | |
3015 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,\r | |
3016 | 0,\r | |
3017 | NULL\r | |
3018 | );\r | |
3019 | //\r | |
3020 | // Deleting variable with current variable implementation shouldn't fail.\r | |
3021 | //\r | |
3022 | ASSERT_EFI_ERROR (Status);\r | |
3023 | //\r | |
3024 | // Mark this boot option in boot order as deleted\r | |
3025 | //\r | |
3026 | BootOrder[Index] = 0xffff;\r | |
3027 | Corrupted = FALSE;\r | |
3028 | }\r | |
3029 | \r | |
3030 | FreePool (BootOptionVar);\r | |
3031 | Index++;\r | |
3032 | }\r | |
3033 | \r | |
3034 | //\r | |
3035 | // Adjust boot order array\r | |
3036 | //\r | |
3037 | Index2 = 0;\r | |
3038 | for (Index = 0; Index < BootOrderSize / sizeof (UINT16); Index++) {\r | |
3039 | if (BootOrder[Index] != 0xffff) {\r | |
3040 | BootOrder[Index2] = BootOrder[Index];\r | |
3041 | Index2 ++;\r | |
3042 | }\r | |
3043 | }\r | |
3044 | Status = gRT->SetVariable (\r | |
3045 | L"BootOrder",\r | |
3046 | &gEfiGlobalVariableGuid,\r | |
3047 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,\r | |
3048 | Index2 * sizeof (UINT16),\r | |
3049 | BootOrder\r | |
3050 | );\r | |
3051 | //\r | |
3052 | // Shrinking variable with current variable implementation shouldn't fail.\r | |
3053 | //\r | |
3054 | ASSERT_EFI_ERROR (Status);\r | |
3055 | \r | |
3056 | FreePool (BootOrder);\r | |
3057 | \r | |
3058 | return Status;\r | |
3059 | }\r | |
3060 | \r | |
3061 | \r | |
3062 | /**\r | |
3063 | For EFI boot option, BDS separate them as six types:\r | |
3064 | 1. Network - The boot option points to the SimpleNetworkProtocol device.\r | |
3065 | Bds will try to automatically create this type boot option when enumerate.\r | |
3066 | 2. Shell - The boot option points to internal flash shell.\r | |
3067 | Bds will try to automatically create this type boot option when enumerate.\r | |
3068 | 3. Removable BlockIo - The boot option only points to the removable media\r | |
3069 | device, like USB flash disk, DVD, Floppy etc.\r | |
3070 | These device should contain a *removable* blockIo\r | |
3071 | protocol in their device handle.\r | |
3072 | Bds will try to automatically create this type boot option\r | |
3073 | when enumerate.\r | |
3074 | 4. Fixed BlockIo - The boot option only points to a Fixed blockIo device,\r | |
3075 | like HardDisk.\r | |
3076 | These device should contain a *fixed* blockIo\r | |
3077 | protocol in their device handle.\r | |
3078 | BDS will skip fixed blockIo devices, and NOT\r | |
3079 | automatically create boot option for them. But BDS\r | |
3080 | will help to delete those fixed blockIo boot option,\r | |
3081 | whose description rule conflict with other auto-created\r | |
3082 | boot options.\r | |
3083 | 5. Non-BlockIo Simplefile - The boot option points to a device whose handle\r | |
3084 | has SimpleFileSystem Protocol, but has no blockio\r | |
3085 | protocol. These devices do not offer blockIo\r | |
3086 | protocol, but BDS still can get the\r | |
3087 | \EFI\BOOT\boot{machinename}.EFI by SimpleFileSystem\r | |
3088 | Protocol.\r | |
3089 | 6. File - The boot option points to a file. These boot options are usually\r | |
3090 | created by user manually or OS loader. BDS will not delete or modify\r | |
3091 | these boot options.\r | |
3092 | \r | |
3093 | This function will enumerate all possible boot device in the system, and\r | |
3094 | automatically create boot options for Network, Shell, Removable BlockIo,\r | |
3095 | and Non-BlockIo Simplefile devices.\r | |
3096 | It will only execute once of every boot.\r | |
3097 | \r | |
3098 | @param BdsBootOptionList The header of the link list which indexed all\r | |
3099 | current boot options\r | |
3100 | \r | |
3101 | @retval EFI_SUCCESS Finished all the boot device enumerate and create\r | |
3102 | the boot option base on that boot device\r | |
3103 | \r | |
3104 | @retval EFI_OUT_OF_RESOURCES Failed to enumerate the boot device and create the boot option list\r | |
3105 | **/\r | |
3106 | EFI_STATUS\r | |
3107 | EFIAPI\r | |
3108 | BdsLibEnumerateAllBootOption (\r | |
3109 | IN OUT LIST_ENTRY *BdsBootOptionList\r | |
3110 | )\r | |
3111 | {\r | |
3112 | EFI_STATUS Status;\r | |
3113 | UINT16 FloppyNumber;\r | |
3114 | UINT16 HarddriveNumber;\r | |
3115 | UINT16 CdromNumber;\r | |
3116 | UINT16 UsbNumber;\r | |
3117 | UINT16 MiscNumber;\r | |
3118 | UINT16 ScsiNumber;\r | |
3119 | UINT16 NonBlockNumber;\r | |
3120 | UINTN NumberBlockIoHandles;\r | |
3121 | EFI_HANDLE *BlockIoHandles;\r | |
3122 | EFI_BLOCK_IO_PROTOCOL *BlkIo;\r | |
3123 | BOOLEAN Removable[2];\r | |
3124 | UINTN RemovableIndex;\r | |
3125 | UINTN Index;\r | |
3126 | UINTN NumOfLoadFileHandles;\r | |
3127 | EFI_HANDLE *LoadFileHandles;\r | |
3128 | UINTN FvHandleCount;\r | |
3129 | EFI_HANDLE *FvHandleBuffer;\r | |
3130 | EFI_FV_FILETYPE Type;\r | |
3131 | UINTN Size;\r | |
3132 | EFI_FV_FILE_ATTRIBUTES Attributes;\r | |
3133 | UINT32 AuthenticationStatus;\r | |
3134 | EFI_FIRMWARE_VOLUME2_PROTOCOL *Fv;\r | |
3135 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
3136 | UINTN DevicePathType;\r | |
3137 | CHAR16 Buffer[40];\r | |
3138 | EFI_HANDLE *FileSystemHandles;\r | |
3139 | UINTN NumberFileSystemHandles;\r | |
3140 | BOOLEAN NeedDelete;\r | |
3141 | EFI_IMAGE_DOS_HEADER DosHeader;\r | |
3142 | CHAR8 *PlatLang;\r | |
3143 | CHAR8 *LastLang;\r | |
3144 | EFI_IMAGE_OPTIONAL_HEADER_UNION HdrData;\r | |
3145 | EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr;\r | |
3146 | \r | |
3147 | FloppyNumber = 0;\r | |
3148 | HarddriveNumber = 0;\r | |
3149 | CdromNumber = 0;\r | |
3150 | UsbNumber = 0;\r | |
3151 | MiscNumber = 0;\r | |
3152 | ScsiNumber = 0;\r | |
3153 | PlatLang = NULL;\r | |
3154 | LastLang = NULL;\r | |
3155 | ZeroMem (Buffer, sizeof (Buffer));\r | |
3156 | \r | |
3157 | //\r | |
3158 | // If the boot device enumerate happened, just get the boot\r | |
3159 | // device from the boot order variable\r | |
3160 | //\r | |
3161 | if (mEnumBootDevice) {\r | |
3162 | GetVariable2 (LAST_ENUM_LANGUAGE_VARIABLE_NAME, &gLastEnumLangGuid, (VOID**)&LastLang, NULL);\r | |
3163 | GetEfiGlobalVariable2 (L"PlatformLang", (VOID**)&PlatLang, NULL);\r | |
3164 | ASSERT (PlatLang != NULL);\r | |
3165 | if ((LastLang != NULL) && (AsciiStrCmp (LastLang, PlatLang) == 0)) {\r | |
3166 | Status = BdsLibBuildOptionFromVar (BdsBootOptionList, L"BootOrder");\r | |
3167 | FreePool (LastLang);\r | |
3168 | FreePool (PlatLang);\r | |
3169 | return Status;\r | |
3170 | } else {\r | |
3171 | Status = gRT->SetVariable (\r | |
3172 | LAST_ENUM_LANGUAGE_VARIABLE_NAME,\r | |
3173 | &gLastEnumLangGuid,\r | |
3174 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_NON_VOLATILE,\r | |
3175 | AsciiStrSize (PlatLang),\r | |
3176 | PlatLang\r | |
3177 | );\r | |
3178 | //\r | |
3179 | // Failure to set the variable only impacts the performance next time enumerating the boot options.\r | |
3180 | //\r | |
3181 | \r | |
3182 | if (LastLang != NULL) {\r | |
3183 | FreePool (LastLang);\r | |
3184 | }\r | |
3185 | FreePool (PlatLang);\r | |
3186 | }\r | |
3187 | }\r | |
3188 | \r | |
3189 | //\r | |
3190 | // Notes: this dirty code is to get the legacy boot option from the\r | |
3191 | // BBS table and create to variable as the EFI boot option, it should\r | |
3192 | // be removed after the CSM can provide legacy boot option directly\r | |
3193 | //\r | |
3194 | REFRESH_LEGACY_BOOT_OPTIONS;\r | |
3195 | \r | |
3196 | //\r | |
3197 | // Delete invalid boot option\r | |
3198 | //\r | |
3199 | BdsDeleteAllInvalidEfiBootOption ();\r | |
3200 | \r | |
3201 | //\r | |
3202 | // Parse removable media followed by fixed media.\r | |
3203 | // The Removable[] array is used by the for-loop below to create removable media boot options \r | |
3204 | // at first, and then to create fixed media boot options.\r | |
3205 | //\r | |
3206 | Removable[0] = FALSE;\r | |
3207 | Removable[1] = TRUE;\r | |
3208 | \r | |
3209 | gBS->LocateHandleBuffer (\r | |
3210 | ByProtocol,\r | |
3211 | &gEfiBlockIoProtocolGuid,\r | |
3212 | NULL,\r | |
3213 | &NumberBlockIoHandles,\r | |
3214 | &BlockIoHandles\r | |
3215 | );\r | |
3216 | \r | |
3217 | for (RemovableIndex = 0; RemovableIndex < 2; RemovableIndex++) {\r | |
3218 | for (Index = 0; Index < NumberBlockIoHandles; Index++) {\r | |
3219 | Status = gBS->HandleProtocol (\r | |
3220 | BlockIoHandles[Index],\r | |
3221 | &gEfiBlockIoProtocolGuid,\r | |
3222 | (VOID **) &BlkIo\r | |
3223 | );\r | |
3224 | //\r | |
3225 | // skip the logical partition\r | |
3226 | //\r | |
3227 | if (EFI_ERROR (Status) || BlkIo->Media->LogicalPartition) {\r | |
3228 | continue;\r | |
3229 | }\r | |
3230 | \r | |
3231 | //\r | |
3232 | // firstly fixed block io then the removable block io\r | |
3233 | //\r | |
3234 | if (BlkIo->Media->RemovableMedia == Removable[RemovableIndex]) {\r | |
3235 | continue;\r | |
3236 | }\r | |
3237 | DevicePath = DevicePathFromHandle (BlockIoHandles[Index]);\r | |
3238 | DevicePathType = BdsGetBootTypeFromDevicePath (DevicePath);\r | |
3239 | \r | |
3240 | switch (DevicePathType) {\r | |
3241 | case BDS_EFI_ACPI_FLOPPY_BOOT:\r | |
3242 | if (FloppyNumber != 0) {\r | |
3243 | UnicodeSPrint (Buffer, sizeof (Buffer), L"%s %d", BdsLibGetStringById (STRING_TOKEN (STR_DESCRIPTION_FLOPPY)), FloppyNumber);\r | |
3244 | } else {\r | |
3245 | UnicodeSPrint (Buffer, sizeof (Buffer), L"%s", BdsLibGetStringById (STRING_TOKEN (STR_DESCRIPTION_FLOPPY)));\r | |
3246 | }\r | |
3247 | BdsLibBuildOptionFromHandle (BlockIoHandles[Index], BdsBootOptionList, Buffer);\r | |
3248 | FloppyNumber++;\r | |
3249 | break;\r | |
3250 | \r | |
3251 | //\r | |
3252 | // Assume a removable SATA device should be the DVD/CD device, a fixed SATA device should be the Hard Drive device.\r | |
3253 | //\r | |
3254 | case BDS_EFI_MESSAGE_ATAPI_BOOT:\r | |
3255 | case BDS_EFI_MESSAGE_SATA_BOOT:\r | |
3256 | if (BlkIo->Media->RemovableMedia) {\r | |
3257 | if (CdromNumber != 0) {\r | |
3258 | UnicodeSPrint (Buffer, sizeof (Buffer), L"%s %d", BdsLibGetStringById (STRING_TOKEN (STR_DESCRIPTION_CD_DVD)), CdromNumber);\r | |
3259 | } else {\r | |
3260 | UnicodeSPrint (Buffer, sizeof (Buffer), L"%s", BdsLibGetStringById (STRING_TOKEN (STR_DESCRIPTION_CD_DVD)));\r | |
3261 | }\r | |
3262 | CdromNumber++;\r | |
3263 | } else {\r | |
3264 | if (HarddriveNumber != 0) {\r | |
3265 | UnicodeSPrint (Buffer, sizeof (Buffer), L"%s %d", BdsLibGetStringById (STRING_TOKEN (STR_DESCRIPTION_HARDDRIVE)), HarddriveNumber);\r | |
3266 | } else {\r | |
3267 | UnicodeSPrint (Buffer, sizeof (Buffer), L"%s", BdsLibGetStringById (STRING_TOKEN (STR_DESCRIPTION_HARDDRIVE)));\r | |
3268 | }\r | |
3269 | HarddriveNumber++;\r | |
3270 | }\r | |
3271 | DEBUG ((DEBUG_INFO | DEBUG_LOAD, "Buffer: %S\n", Buffer));\r | |
3272 | BdsLibBuildOptionFromHandle (BlockIoHandles[Index], BdsBootOptionList, Buffer);\r | |
3273 | break;\r | |
3274 | \r | |
3275 | case BDS_EFI_MESSAGE_USB_DEVICE_BOOT:\r | |
3276 | if (UsbNumber != 0) {\r | |
3277 | UnicodeSPrint (Buffer, sizeof (Buffer), L"%s %d", BdsLibGetStringById (STRING_TOKEN (STR_DESCRIPTION_USB)), UsbNumber);\r | |
3278 | } else {\r | |
3279 | UnicodeSPrint (Buffer, sizeof (Buffer), L"%s", BdsLibGetStringById (STRING_TOKEN (STR_DESCRIPTION_USB)));\r | |
3280 | }\r | |
3281 | BdsLibBuildOptionFromHandle (BlockIoHandles[Index], BdsBootOptionList, Buffer);\r | |
3282 | UsbNumber++;\r | |
3283 | break;\r | |
3284 | \r | |
3285 | case BDS_EFI_MESSAGE_SCSI_BOOT:\r | |
3286 | if (ScsiNumber != 0) {\r | |
3287 | UnicodeSPrint (Buffer, sizeof (Buffer), L"%s %d", BdsLibGetStringById (STRING_TOKEN (STR_DESCRIPTION_SCSI)), ScsiNumber);\r | |
3288 | } else {\r | |
3289 | UnicodeSPrint (Buffer, sizeof (Buffer), L"%s", BdsLibGetStringById (STRING_TOKEN (STR_DESCRIPTION_SCSI)));\r | |
3290 | }\r | |
3291 | BdsLibBuildOptionFromHandle (BlockIoHandles[Index], BdsBootOptionList, Buffer);\r | |
3292 | ScsiNumber++;\r | |
3293 | break;\r | |
3294 | \r | |
3295 | case BDS_EFI_MESSAGE_MISC_BOOT:\r | |
3296 | default:\r | |
3297 | if (MiscNumber != 0) {\r | |
3298 | UnicodeSPrint (Buffer, sizeof (Buffer), L"%s %d", BdsLibGetStringById (STRING_TOKEN (STR_DESCRIPTION_MISC)), MiscNumber);\r | |
3299 | } else {\r | |
3300 | UnicodeSPrint (Buffer, sizeof (Buffer), L"%s", BdsLibGetStringById (STRING_TOKEN (STR_DESCRIPTION_MISC)));\r | |
3301 | }\r | |
3302 | BdsLibBuildOptionFromHandle (BlockIoHandles[Index], BdsBootOptionList, Buffer);\r | |
3303 | MiscNumber++;\r | |
3304 | break;\r | |
3305 | }\r | |
3306 | }\r | |
3307 | }\r | |
3308 | \r | |
3309 | if (NumberBlockIoHandles != 0) {\r | |
3310 | FreePool (BlockIoHandles);\r | |
3311 | }\r | |
3312 | \r | |
3313 | //\r | |
3314 | // If there is simple file protocol which does not consume block Io protocol, create a boot option for it here.\r | |
3315 | //\r | |
3316 | NonBlockNumber = 0;\r | |
3317 | gBS->LocateHandleBuffer (\r | |
3318 | ByProtocol,\r | |
3319 | &gEfiSimpleFileSystemProtocolGuid,\r | |
3320 | NULL,\r | |
3321 | &NumberFileSystemHandles,\r | |
3322 | &FileSystemHandles\r | |
3323 | );\r | |
3324 | for (Index = 0; Index < NumberFileSystemHandles; Index++) {\r | |
3325 | Status = gBS->HandleProtocol (\r | |
3326 | FileSystemHandles[Index],\r | |
3327 | &gEfiBlockIoProtocolGuid,\r | |
3328 | (VOID **) &BlkIo\r | |
3329 | );\r | |
3330 | if (!EFI_ERROR (Status)) {\r | |
3331 | //\r | |
3332 | // Skip if the file system handle supports a BlkIo protocol,\r | |
3333 | //\r | |
3334 | continue;\r | |
3335 | }\r | |
3336 | \r | |
3337 | //\r | |
3338 | // Do the removable Media thing. \EFI\BOOT\boot{machinename}.EFI\r | |
3339 | // machinename is ia32, ia64, x64, ...\r | |
3340 | //\r | |
3341 | Hdr.Union = &HdrData;\r | |
3342 | NeedDelete = TRUE;\r | |
3343 | Status = BdsLibGetImageHeader (\r | |
3344 | FileSystemHandles[Index],\r | |
3345 | EFI_REMOVABLE_MEDIA_FILE_NAME,\r | |
3346 | &DosHeader,\r | |
3347 | Hdr\r | |
3348 | );\r | |
3349 | if (!EFI_ERROR (Status) &&\r | |
3350 | EFI_IMAGE_MACHINE_TYPE_SUPPORTED (Hdr.Pe32->FileHeader.Machine) &&\r | |
3351 | Hdr.Pe32->OptionalHeader.Subsystem == EFI_IMAGE_SUBSYSTEM_EFI_APPLICATION) {\r | |
3352 | NeedDelete = FALSE;\r | |
3353 | }\r | |
3354 | \r | |
3355 | if (NeedDelete) {\r | |
3356 | //\r | |
3357 | // No such file or the file is not a EFI application, delete this boot option\r | |
3358 | //\r | |
3359 | BdsLibDeleteOptionFromHandle (FileSystemHandles[Index]);\r | |
3360 | } else {\r | |
3361 | if (NonBlockNumber != 0) {\r | |
3362 | UnicodeSPrint (Buffer, sizeof (Buffer), L"%s %d", BdsLibGetStringById (STRING_TOKEN (STR_DESCRIPTION_NON_BLOCK)), NonBlockNumber);\r | |
3363 | } else {\r | |
3364 | UnicodeSPrint (Buffer, sizeof (Buffer), L"%s", BdsLibGetStringById (STRING_TOKEN (STR_DESCRIPTION_NON_BLOCK)));\r | |
3365 | }\r | |
3366 | BdsLibBuildOptionFromHandle (FileSystemHandles[Index], BdsBootOptionList, Buffer);\r | |
3367 | NonBlockNumber++;\r | |
3368 | }\r | |
3369 | }\r | |
3370 | \r | |
3371 | if (NumberFileSystemHandles != 0) {\r | |
3372 | FreePool (FileSystemHandles);\r | |
3373 | }\r | |
3374 | \r | |
3375 | //\r | |
3376 | // Parse Network Boot Device\r | |
3377 | //\r | |
3378 | NumOfLoadFileHandles = 0;\r | |
3379 | //\r | |
3380 | // Search Load File protocol for PXE boot option.\r | |
3381 | //\r | |
3382 | gBS->LocateHandleBuffer (\r | |
3383 | ByProtocol,\r | |
3384 | &gEfiLoadFileProtocolGuid,\r | |
3385 | NULL,\r | |
3386 | &NumOfLoadFileHandles,\r | |
3387 | &LoadFileHandles\r | |
3388 | );\r | |
3389 | \r | |
3390 | for (Index = 0; Index < NumOfLoadFileHandles; Index++) {\r | |
3391 | if (Index != 0) {\r | |
3392 | UnicodeSPrint (Buffer, sizeof (Buffer), L"%s %d", BdsLibGetStringById (STRING_TOKEN (STR_DESCRIPTION_NETWORK)), Index);\r | |
3393 | } else {\r | |
3394 | UnicodeSPrint (Buffer, sizeof (Buffer), L"%s", BdsLibGetStringById (STRING_TOKEN (STR_DESCRIPTION_NETWORK)));\r | |
3395 | }\r | |
3396 | BdsLibBuildOptionFromHandle (LoadFileHandles[Index], BdsBootOptionList, Buffer);\r | |
3397 | }\r | |
3398 | \r | |
3399 | if (NumOfLoadFileHandles != 0) {\r | |
3400 | FreePool (LoadFileHandles);\r | |
3401 | }\r | |
3402 | \r | |
3403 | //\r | |
3404 | // Check if we have on flash shell\r | |
3405 | //\r | |
3406 | gBS->LocateHandleBuffer (\r | |
3407 | ByProtocol,\r | |
3408 | &gEfiFirmwareVolume2ProtocolGuid,\r | |
3409 | NULL,\r | |
3410 | &FvHandleCount,\r | |
3411 | &FvHandleBuffer\r | |
3412 | );\r | |
3413 | for (Index = 0; Index < FvHandleCount; Index++) {\r | |
3414 | gBS->HandleProtocol (\r | |
3415 | FvHandleBuffer[Index],\r | |
3416 | &gEfiFirmwareVolume2ProtocolGuid,\r | |
3417 | (VOID **) &Fv\r | |
3418 | );\r | |
3419 | \r | |
3420 | Status = Fv->ReadFile (\r | |
3421 | Fv,\r | |
3422 | PcdGetPtr(PcdShellFile),\r | |
3423 | NULL,\r | |
3424 | &Size,\r | |
3425 | &Type,\r | |
3426 | &Attributes,\r | |
3427 | &AuthenticationStatus\r | |
3428 | );\r | |
3429 | if (EFI_ERROR (Status)) {\r | |
3430 | //\r | |
3431 | // Skip if no shell file in the FV\r | |
3432 | //\r | |
3433 | continue;\r | |
3434 | }\r | |
3435 | //\r | |
3436 | // Build the shell boot option\r | |
3437 | //\r | |
3438 | BdsLibBuildOptionFromShell (FvHandleBuffer[Index], BdsBootOptionList);\r | |
3439 | }\r | |
3440 | \r | |
3441 | if (FvHandleCount != 0) {\r | |
3442 | FreePool (FvHandleBuffer);\r | |
3443 | }\r | |
3444 | //\r | |
3445 | // Make sure every boot only have one time\r | |
3446 | // boot device enumerate\r | |
3447 | //\r | |
3448 | Status = BdsLibBuildOptionFromVar (BdsBootOptionList, L"BootOrder");\r | |
3449 | mEnumBootDevice = TRUE;\r | |
3450 | \r | |
3451 | return Status;\r | |
3452 | }\r | |
3453 | \r | |
3454 | /**\r | |
3455 | Build the boot option with the handle parsed in\r | |
3456 | \r | |
3457 | @param Handle The handle which present the device path to create\r | |
3458 | boot option\r | |
3459 | @param BdsBootOptionList The header of the link list which indexed all\r | |
3460 | current boot options\r | |
3461 | @param String The description of the boot option.\r | |
3462 | \r | |
3463 | **/\r | |
3464 | VOID\r | |
3465 | EFIAPI\r | |
3466 | BdsLibBuildOptionFromHandle (\r | |
3467 | IN EFI_HANDLE Handle,\r | |
3468 | IN LIST_ENTRY *BdsBootOptionList,\r | |
3469 | IN CHAR16 *String\r | |
3470 | )\r | |
3471 | {\r | |
3472 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
3473 | \r | |
3474 | DevicePath = DevicePathFromHandle (Handle);\r | |
3475 | \r | |
3476 | //\r | |
3477 | // Create and register new boot option\r | |
3478 | //\r | |
3479 | BdsLibRegisterNewOption (BdsBootOptionList, DevicePath, String, L"BootOrder");\r | |
3480 | }\r | |
3481 | \r | |
3482 | \r | |
3483 | /**\r | |
3484 | Build the on flash shell boot option with the handle parsed in.\r | |
3485 | \r | |
3486 | @param Handle The handle which present the device path to create\r | |
3487 | on flash shell boot option\r | |
3488 | @param BdsBootOptionList The header of the link list which indexed all\r | |
3489 | current boot options\r | |
3490 | \r | |
3491 | **/\r | |
3492 | VOID\r | |
3493 | EFIAPI\r | |
3494 | BdsLibBuildOptionFromShell (\r | |
3495 | IN EFI_HANDLE Handle,\r | |
3496 | IN OUT LIST_ENTRY *BdsBootOptionList\r | |
3497 | )\r | |
3498 | {\r | |
3499 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
3500 | MEDIA_FW_VOL_FILEPATH_DEVICE_PATH ShellNode;\r | |
3501 | \r | |
3502 | DevicePath = DevicePathFromHandle (Handle);\r | |
3503 | \r | |
3504 | //\r | |
3505 | // Build the shell device path\r | |
3506 | //\r | |
3507 | EfiInitializeFwVolDevicepathNode (&ShellNode, PcdGetPtr(PcdShellFile));\r | |
3508 | \r | |
3509 | DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *) &ShellNode);\r | |
3510 | \r | |
3511 | //\r | |
3512 | // Create and register the shell boot option\r | |
3513 | //\r | |
3514 | BdsLibRegisterNewOption (BdsBootOptionList, DevicePath, L"EFI Internal Shell", L"BootOrder");\r | |
3515 | \r | |
3516 | }\r | |
3517 | \r | |
3518 | /**\r | |
3519 | Boot from the UEFI spec defined "BootNext" variable.\r | |
3520 | \r | |
3521 | **/\r | |
3522 | VOID\r | |
3523 | EFIAPI\r | |
3524 | BdsLibBootNext (\r | |
3525 | VOID\r | |
3526 | )\r | |
3527 | {\r | |
3528 | EFI_STATUS Status;\r | |
3529 | UINT16 *BootNext;\r | |
3530 | UINTN BootNextSize;\r | |
3531 | CHAR16 Buffer[20];\r | |
3532 | BDS_COMMON_OPTION *BootOption;\r | |
3533 | LIST_ENTRY TempList;\r | |
3534 | UINTN ExitDataSize;\r | |
3535 | CHAR16 *ExitData;\r | |
3536 | \r | |
3537 | //\r | |
3538 | // Init the boot option name buffer and temp link list\r | |
3539 | //\r | |
3540 | InitializeListHead (&TempList);\r | |
3541 | ZeroMem (Buffer, sizeof (Buffer));\r | |
3542 | \r | |
3543 | BootNext = BdsLibGetVariableAndSize (\r | |
3544 | L"BootNext",\r | |
3545 | &gEfiGlobalVariableGuid,\r | |
3546 | &BootNextSize\r | |
3547 | );\r | |
3548 | \r | |
3549 | //\r | |
3550 | // Clear the boot next variable first\r | |
3551 | //\r | |
3552 | if (BootNext != NULL) {\r | |
3553 | Status = gRT->SetVariable (\r | |
3554 | L"BootNext",\r | |
3555 | &gEfiGlobalVariableGuid,\r | |
3556 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,\r | |
3557 | 0,\r | |
3558 | NULL\r | |
3559 | );\r | |
3560 | //\r | |
3561 | // Deleting variable with current variable implementation shouldn't fail.\r | |
3562 | //\r | |
3563 | ASSERT_EFI_ERROR (Status);\r | |
3564 | \r | |
3565 | //\r | |
3566 | // Start to build the boot option and try to boot\r | |
3567 | //\r | |
3568 | UnicodeSPrint (Buffer, sizeof (Buffer), L"Boot%04x", *BootNext);\r | |
3569 | BootOption = BdsLibVariableToOption (&TempList, Buffer);\r | |
3570 | ASSERT (BootOption != NULL);\r | |
3571 | BdsLibConnectDevicePath (BootOption->DevicePath);\r | |
3572 | BdsLibBootViaBootOption (BootOption, BootOption->DevicePath, &ExitDataSize, &ExitData);\r | |
3573 | FreePool(BootOption);\r | |
3574 | FreePool(BootNext);\r | |
3575 | }\r | |
3576 | \r | |
3577 | }\r | |
3578 | \r | |
3579 | /**\r | |
3580 | Return the bootable media handle.\r | |
3581 | First, check the device is connected\r | |
3582 | Second, check whether the device path point to a device which support SimpleFileSystemProtocol,\r | |
3583 | Third, detect the the default boot file in the Media, and return the removable Media handle.\r | |
3584 | \r | |
3585 | @param DevicePath Device Path to a bootable device\r | |
3586 | \r | |
3587 | @return The bootable media handle. If the media on the DevicePath is not bootable, NULL will return.\r | |
3588 | \r | |
3589 | **/\r | |
3590 | EFI_HANDLE\r | |
3591 | EFIAPI\r | |
3592 | BdsLibGetBootableHandle (\r | |
3593 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath\r | |
3594 | )\r | |
3595 | {\r | |
3596 | EFI_STATUS Status;\r | |
3597 | EFI_TPL OldTpl;\r | |
3598 | EFI_DEVICE_PATH_PROTOCOL *UpdatedDevicePath;\r | |
3599 | EFI_DEVICE_PATH_PROTOCOL *DupDevicePath;\r | |
3600 | EFI_HANDLE Handle;\r | |
3601 | EFI_BLOCK_IO_PROTOCOL *BlockIo;\r | |
3602 | VOID *Buffer;\r | |
3603 | EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;\r | |
3604 | UINTN Size;\r | |
3605 | UINTN TempSize;\r | |
3606 | EFI_HANDLE ReturnHandle;\r | |
3607 | EFI_HANDLE *SimpleFileSystemHandles;\r | |
3608 | \r | |
3609 | UINTN NumberSimpleFileSystemHandles;\r | |
3610 | UINTN Index;\r | |
3611 | EFI_IMAGE_DOS_HEADER DosHeader;\r | |
3612 | EFI_IMAGE_OPTIONAL_HEADER_UNION HdrData;\r | |
3613 | EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr;\r | |
3614 | \r | |
3615 | UpdatedDevicePath = DevicePath;\r | |
3616 | \r | |
3617 | //\r | |
3618 | // Enter to critical section to protect the acquired BlockIo instance \r | |
3619 | // from getting released due to the USB mass storage hotplug event\r | |
3620 | //\r | |
3621 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
3622 | \r | |
3623 | //\r | |
3624 | // Check whether the device is connected\r | |
3625 | //\r | |
3626 | Status = gBS->LocateDevicePath (&gEfiBlockIoProtocolGuid, &UpdatedDevicePath, &Handle);\r | |
3627 | if (EFI_ERROR (Status)) {\r | |
3628 | //\r | |
3629 | // Skip the case that the boot option point to a simple file protocol which does not consume block Io protocol,\r | |
3630 | //\r | |
3631 | Status = gBS->LocateDevicePath (&gEfiSimpleFileSystemProtocolGuid, &UpdatedDevicePath, &Handle);\r | |
3632 | if (EFI_ERROR (Status)) {\r | |
3633 | //\r | |
3634 | // Fail to find the proper BlockIo and simple file protocol, maybe because device not present, we need to connect it firstly\r | |
3635 | //\r | |
3636 | UpdatedDevicePath = DevicePath;\r | |
3637 | Status = gBS->LocateDevicePath (&gEfiDevicePathProtocolGuid, &UpdatedDevicePath, &Handle);\r | |
3638 | gBS->ConnectController (Handle, NULL, NULL, TRUE);\r | |
3639 | }\r | |
3640 | } else {\r | |
3641 | //\r | |
3642 | // For removable device boot option, its contained device path only point to the removable device handle, \r | |
3643 | // should make sure all its children handles (its child partion or media handles) are created and connected. \r | |
3644 | //\r | |
3645 | gBS->ConnectController (Handle, NULL, NULL, TRUE); \r | |
3646 | //\r | |
3647 | // Get BlockIo protocol and check removable attribute\r | |
3648 | //\r | |
3649 | Status = gBS->HandleProtocol (Handle, &gEfiBlockIoProtocolGuid, (VOID **)&BlockIo);\r | |
3650 | ASSERT_EFI_ERROR (Status);\r | |
3651 | \r | |
3652 | //\r | |
3653 | // Issue a dummy read to the device to check for media change.\r | |
3654 | // When the removable media is changed, any Block IO read/write will\r | |
3655 | // cause the BlockIo protocol be reinstalled and EFI_MEDIA_CHANGED is\r | |
3656 | // returned. After the Block IO protocol is reinstalled, subsequent\r | |
3657 | // Block IO read/write will success.\r | |
3658 | //\r | |
3659 | Buffer = AllocatePool (BlockIo->Media->BlockSize);\r | |
3660 | if (Buffer != NULL) {\r | |
3661 | BlockIo->ReadBlocks (\r | |
3662 | BlockIo,\r | |
3663 | BlockIo->Media->MediaId,\r | |
3664 | 0,\r | |
3665 | BlockIo->Media->BlockSize,\r | |
3666 | Buffer\r | |
3667 | );\r | |
3668 | FreePool(Buffer);\r | |
3669 | }\r | |
3670 | }\r | |
3671 | \r | |
3672 | //\r | |
3673 | // Detect the the default boot file from removable Media\r | |
3674 | //\r | |
3675 | \r | |
3676 | //\r | |
3677 | // If fail to get bootable handle specified by a USB boot option, the BDS should try to find other bootable device in the same USB bus\r | |
3678 | // Try to locate the USB node device path first, if fail then use its previous PCI node to search\r | |
3679 | //\r | |
3680 | DupDevicePath = DuplicateDevicePath (DevicePath);\r | |
3681 | ASSERT (DupDevicePath != NULL);\r | |
3682 | \r | |
3683 | UpdatedDevicePath = DupDevicePath;\r | |
3684 | Status = gBS->LocateDevicePath (&gEfiDevicePathProtocolGuid, &UpdatedDevicePath, &Handle);\r | |
3685 | //\r | |
3686 | // if the resulting device path point to a usb node, and the usb node is a dummy node, should only let device path only point to the previous Pci node\r | |
3687 | // Acpi()/Pci()/Usb() --> Acpi()/Pci()\r | |
3688 | //\r | |
3689 | if ((DevicePathType (UpdatedDevicePath) == MESSAGING_DEVICE_PATH) &&\r | |
3690 | (DevicePathSubType (UpdatedDevicePath) == MSG_USB_DP)) {\r | |
3691 | //\r | |
3692 | // Remove the usb node, let the device path only point to PCI node\r | |
3693 | //\r | |
3694 | SetDevicePathEndNode (UpdatedDevicePath);\r | |
3695 | UpdatedDevicePath = DupDevicePath;\r | |
3696 | } else {\r | |
3697 | UpdatedDevicePath = DevicePath;\r | |
3698 | }\r | |
3699 | \r | |
3700 | //\r | |
3701 | // Get the device path size of boot option\r | |
3702 | //\r | |
3703 | Size = GetDevicePathSize(UpdatedDevicePath) - sizeof (EFI_DEVICE_PATH_PROTOCOL); // minus the end node\r | |
3704 | ReturnHandle = NULL;\r | |
3705 | gBS->LocateHandleBuffer (\r | |
3706 | ByProtocol,\r | |
3707 | &gEfiSimpleFileSystemProtocolGuid,\r | |
3708 | NULL,\r | |
3709 | &NumberSimpleFileSystemHandles,\r | |
3710 | &SimpleFileSystemHandles\r | |
3711 | );\r | |
3712 | for (Index = 0; Index < NumberSimpleFileSystemHandles; Index++) {\r | |
3713 | //\r | |
3714 | // Get the device path size of SimpleFileSystem handle\r | |
3715 | //\r | |
3716 | TempDevicePath = DevicePathFromHandle (SimpleFileSystemHandles[Index]);\r | |
3717 | TempSize = GetDevicePathSize (TempDevicePath)- sizeof (EFI_DEVICE_PATH_PROTOCOL); // minus the end node\r | |
3718 | //\r | |
3719 | // Check whether the device path of boot option is part of the SimpleFileSystem handle's device path\r | |
3720 | //\r | |
3721 | if (Size <= TempSize && CompareMem (TempDevicePath, UpdatedDevicePath, Size)==0) {\r | |
3722 | //\r | |
3723 | // Load the default boot file \EFI\BOOT\boot{machinename}.EFI from removable Media\r | |
3724 | // machinename is ia32, ia64, x64, ...\r | |
3725 | //\r | |
3726 | Hdr.Union = &HdrData;\r | |
3727 | Status = BdsLibGetImageHeader (\r | |
3728 | SimpleFileSystemHandles[Index],\r | |
3729 | EFI_REMOVABLE_MEDIA_FILE_NAME,\r | |
3730 | &DosHeader,\r | |
3731 | Hdr\r | |
3732 | );\r | |
3733 | if (!EFI_ERROR (Status) &&\r | |
3734 | EFI_IMAGE_MACHINE_TYPE_SUPPORTED (Hdr.Pe32->FileHeader.Machine) &&\r | |
3735 | Hdr.Pe32->OptionalHeader.Subsystem == EFI_IMAGE_SUBSYSTEM_EFI_APPLICATION) {\r | |
3736 | ReturnHandle = SimpleFileSystemHandles[Index];\r | |
3737 | break;\r | |
3738 | }\r | |
3739 | }\r | |
3740 | }\r | |
3741 | \r | |
3742 | FreePool(DupDevicePath);\r | |
3743 | \r | |
3744 | if (SimpleFileSystemHandles != NULL) {\r | |
3745 | FreePool(SimpleFileSystemHandles);\r | |
3746 | }\r | |
3747 | \r | |
3748 | gBS->RestoreTPL (OldTpl);\r | |
3749 | \r | |
3750 | return ReturnHandle;\r | |
3751 | }\r | |
3752 | \r | |
3753 | /**\r | |
3754 | Check to see if the network cable is plugged in. If the DevicePath is not\r | |
3755 | connected it will be connected.\r | |
3756 | \r | |
3757 | @param DevicePath Device Path to check\r | |
3758 | \r | |
3759 | @retval TRUE DevicePath points to an Network that is connected\r | |
3760 | @retval FALSE DevicePath does not point to a bootable network\r | |
3761 | \r | |
3762 | **/\r | |
3763 | BOOLEAN\r | |
3764 | BdsLibNetworkBootWithMediaPresent (\r | |
3765 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath\r | |
3766 | )\r | |
3767 | {\r | |
3768 | EFI_STATUS Status;\r | |
3769 | EFI_DEVICE_PATH_PROTOCOL *UpdatedDevicePath;\r | |
3770 | EFI_HANDLE Handle;\r | |
3771 | EFI_SIMPLE_NETWORK_PROTOCOL *Snp;\r | |
3772 | BOOLEAN MediaPresent;\r | |
3773 | UINT32 InterruptStatus;\r | |
3774 | \r | |
3775 | MediaPresent = FALSE;\r | |
3776 | \r | |
3777 | UpdatedDevicePath = DevicePath;\r | |
3778 | //\r | |
3779 | // Locate Load File Protocol for PXE boot option first\r | |
3780 | //\r | |
3781 | Status = gBS->LocateDevicePath (&gEfiLoadFileProtocolGuid, &UpdatedDevicePath, &Handle);\r | |
3782 | if (EFI_ERROR (Status)) {\r | |
3783 | //\r | |
3784 | // Device not present so see if we need to connect it\r | |
3785 | //\r | |
3786 | Status = BdsLibConnectDevicePath (DevicePath);\r | |
3787 | if (!EFI_ERROR (Status)) {\r | |
3788 | //\r | |
3789 | // This one should work after we did the connect\r | |
3790 | //\r | |
3791 | Status = gBS->LocateDevicePath (&gEfiLoadFileProtocolGuid, &UpdatedDevicePath, &Handle);\r | |
3792 | }\r | |
3793 | }\r | |
3794 | \r | |
3795 | if (!EFI_ERROR (Status)) {\r | |
3796 | Status = gBS->HandleProtocol (Handle, &gEfiSimpleNetworkProtocolGuid, (VOID **)&Snp);\r | |
3797 | if (EFI_ERROR (Status)) {\r | |
3798 | //\r | |
3799 | // Failed to open SNP from this handle, try to get SNP from parent handle\r | |
3800 | //\r | |
3801 | UpdatedDevicePath = DevicePathFromHandle (Handle);\r | |
3802 | if (UpdatedDevicePath != NULL) {\r | |
3803 | Status = gBS->LocateDevicePath (&gEfiSimpleNetworkProtocolGuid, &UpdatedDevicePath, &Handle);\r | |
3804 | if (!EFI_ERROR (Status)) {\r | |
3805 | //\r | |
3806 | // SNP handle found, get SNP from it\r | |
3807 | //\r | |
3808 | Status = gBS->HandleProtocol (Handle, &gEfiSimpleNetworkProtocolGuid, (VOID **) &Snp);\r | |
3809 | }\r | |
3810 | }\r | |
3811 | }\r | |
3812 | \r | |
3813 | if (!EFI_ERROR (Status)) {\r | |
3814 | if (Snp->Mode->MediaPresentSupported) {\r | |
3815 | if (Snp->Mode->State == EfiSimpleNetworkInitialized) {\r | |
3816 | //\r | |
3817 | // Invoke Snp->GetStatus() to refresh the media status\r | |
3818 | //\r | |
3819 | Snp->GetStatus (Snp, &InterruptStatus, NULL);\r | |
3820 | \r | |
3821 | //\r | |
3822 | // In case some one else is using the SNP check to see if it's connected\r | |
3823 | //\r | |
3824 | MediaPresent = Snp->Mode->MediaPresent;\r | |
3825 | } else {\r | |
3826 | //\r | |
3827 | // No one is using SNP so we need to Start and Initialize so\r | |
3828 | // MediaPresent will be valid.\r | |
3829 | //\r | |
3830 | Status = Snp->Start (Snp);\r | |
3831 | if (!EFI_ERROR (Status)) {\r | |
3832 | Status = Snp->Initialize (Snp, 0, 0);\r | |
3833 | if (!EFI_ERROR (Status)) {\r | |
3834 | MediaPresent = Snp->Mode->MediaPresent;\r | |
3835 | Snp->Shutdown (Snp);\r | |
3836 | }\r | |
3837 | Snp->Stop (Snp);\r | |
3838 | }\r | |
3839 | }\r | |
3840 | } else {\r | |
3841 | MediaPresent = TRUE;\r | |
3842 | }\r | |
3843 | }\r | |
3844 | }\r | |
3845 | \r | |
3846 | return MediaPresent;\r | |
3847 | }\r | |
3848 | \r | |
3849 | /**\r | |
3850 | For a bootable Device path, return its boot type.\r | |
3851 | \r | |
3852 | @param DevicePath The bootable device Path to check\r | |
3853 | \r | |
3854 | @retval BDS_EFI_MEDIA_HD_BOOT If given device path contains MEDIA_DEVICE_PATH type device path node\r | |
3855 | which subtype is MEDIA_HARDDRIVE_DP\r | |
3856 | @retval BDS_EFI_MEDIA_CDROM_BOOT If given device path contains MEDIA_DEVICE_PATH type device path node\r | |
3857 | which subtype is MEDIA_CDROM_DP\r | |
3858 | @retval BDS_EFI_ACPI_FLOPPY_BOOT If given device path contains ACPI_DEVICE_PATH type device path node\r | |
3859 | which HID is floppy device.\r | |
3860 | @retval BDS_EFI_MESSAGE_ATAPI_BOOT If given device path contains MESSAGING_DEVICE_PATH type device path node\r | |
3861 | and its last device path node's subtype is MSG_ATAPI_DP.\r | |
3862 | @retval BDS_EFI_MESSAGE_SCSI_BOOT If given device path contains MESSAGING_DEVICE_PATH type device path node\r | |
3863 | and its last device path node's subtype is MSG_SCSI_DP.\r | |
3864 | @retval BDS_EFI_MESSAGE_USB_DEVICE_BOOT If given device path contains MESSAGING_DEVICE_PATH type device path node\r | |
3865 | and its last device path node's subtype is MSG_USB_DP.\r | |
3866 | @retval BDS_EFI_MESSAGE_MISC_BOOT If the device path not contains any media device path node, and\r | |
3867 | its last device path node point to a message device path node.\r | |
3868 | @retval BDS_LEGACY_BBS_BOOT If given device path contains BBS_DEVICE_PATH type device path node.\r | |
3869 | @retval BDS_EFI_UNSUPPORT An EFI Removable BlockIO device path not point to a media and message device,\r | |
3870 | \r | |
3871 | **/\r | |
3872 | UINT32\r | |
3873 | EFIAPI\r | |
3874 | BdsGetBootTypeFromDevicePath (\r | |
3875 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath\r | |
3876 | )\r | |
3877 | {\r | |
3878 | ACPI_HID_DEVICE_PATH *Acpi;\r | |
3879 | EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;\r | |
3880 | EFI_DEVICE_PATH_PROTOCOL *LastDeviceNode;\r | |
3881 | UINT32 BootType;\r | |
3882 | \r | |
3883 | if (NULL == DevicePath) {\r | |
3884 | return BDS_EFI_UNSUPPORT;\r | |
3885 | }\r | |
3886 | \r | |
3887 | TempDevicePath = DevicePath;\r | |
3888 | \r | |
3889 | while (!IsDevicePathEndType (TempDevicePath)) {\r | |
3890 | switch (DevicePathType (TempDevicePath)) {\r | |
3891 | case BBS_DEVICE_PATH:\r | |
3892 | return BDS_LEGACY_BBS_BOOT;\r | |
3893 | case MEDIA_DEVICE_PATH:\r | |
3894 | if (DevicePathSubType (TempDevicePath) == MEDIA_HARDDRIVE_DP) {\r | |
3895 | return BDS_EFI_MEDIA_HD_BOOT;\r | |
3896 | } else if (DevicePathSubType (TempDevicePath) == MEDIA_CDROM_DP) {\r | |
3897 | return BDS_EFI_MEDIA_CDROM_BOOT;\r | |
3898 | }\r | |
3899 | break;\r | |
3900 | case ACPI_DEVICE_PATH:\r | |
3901 | Acpi = (ACPI_HID_DEVICE_PATH *) TempDevicePath;\r | |
3902 | if (EISA_ID_TO_NUM (Acpi->HID) == 0x0604) {\r | |
3903 | return BDS_EFI_ACPI_FLOPPY_BOOT;\r | |
3904 | }\r | |
3905 | break;\r | |
3906 | case MESSAGING_DEVICE_PATH:\r | |
3907 | //\r | |
3908 | // Get the last device path node\r | |
3909 | //\r | |
3910 | LastDeviceNode = NextDevicePathNode (TempDevicePath);\r | |
3911 | if (DevicePathSubType(LastDeviceNode) == MSG_DEVICE_LOGICAL_UNIT_DP) {\r | |
3912 | //\r | |
3913 | // if the next node type is Device Logical Unit, which specify the Logical Unit Number (LUN),\r | |
3914 | // skip it\r | |
3915 | //\r | |
3916 | LastDeviceNode = NextDevicePathNode (LastDeviceNode);\r | |
3917 | }\r | |
3918 | //\r | |
3919 | // if the device path not only point to driver device, it is not a messaging device path,\r | |
3920 | //\r | |
3921 | if (!IsDevicePathEndType (LastDeviceNode)) {\r | |
3922 | break;\r | |
3923 | }\r | |
3924 | \r | |
3925 | switch (DevicePathSubType (TempDevicePath)) {\r | |
3926 | case MSG_ATAPI_DP:\r | |
3927 | BootType = BDS_EFI_MESSAGE_ATAPI_BOOT;\r | |
3928 | break;\r | |
3929 | \r | |
3930 | case MSG_USB_DP:\r | |
3931 | BootType = BDS_EFI_MESSAGE_USB_DEVICE_BOOT;\r | |
3932 | break;\r | |
3933 | \r | |
3934 | case MSG_SCSI_DP:\r | |
3935 | BootType = BDS_EFI_MESSAGE_SCSI_BOOT;\r | |
3936 | break;\r | |
3937 | \r | |
3938 | case MSG_SATA_DP:\r | |
3939 | BootType = BDS_EFI_MESSAGE_SATA_BOOT;\r | |
3940 | break;\r | |
3941 | \r | |
3942 | case MSG_MAC_ADDR_DP:\r | |
3943 | case MSG_VLAN_DP:\r | |
3944 | case MSG_IPv4_DP:\r | |
3945 | case MSG_IPv6_DP:\r | |
3946 | BootType = BDS_EFI_MESSAGE_MAC_BOOT;\r | |
3947 | break;\r | |
3948 | \r | |
3949 | default:\r | |
3950 | BootType = BDS_EFI_MESSAGE_MISC_BOOT;\r | |
3951 | break;\r | |
3952 | }\r | |
3953 | return BootType;\r | |
3954 | \r | |
3955 | default:\r | |
3956 | break;\r | |
3957 | }\r | |
3958 | TempDevicePath = NextDevicePathNode (TempDevicePath);\r | |
3959 | }\r | |
3960 | \r | |
3961 | return BDS_EFI_UNSUPPORT;\r | |
3962 | }\r | |
3963 | \r | |
3964 | /**\r | |
3965 | Check whether the Device path in a boot option point to a valid bootable device,\r | |
3966 | And if CheckMedia is true, check the device is ready to boot now.\r | |
3967 | \r | |
3968 | @param DevPath the Device path in a boot option\r | |
3969 | @param CheckMedia if true, check the device is ready to boot now.\r | |
3970 | \r | |
3971 | @retval TRUE the Device path is valid\r | |
3972 | @retval FALSE the Device path is invalid .\r | |
3973 | \r | |
3974 | **/\r | |
3975 | BOOLEAN\r | |
3976 | EFIAPI\r | |
3977 | BdsLibIsValidEFIBootOptDevicePath (\r | |
3978 | IN EFI_DEVICE_PATH_PROTOCOL *DevPath,\r | |
3979 | IN BOOLEAN CheckMedia\r | |
3980 | )\r | |
3981 | {\r | |
3982 | return BdsLibIsValidEFIBootOptDevicePathExt (DevPath, CheckMedia, NULL);\r | |
3983 | }\r | |
3984 | \r | |
3985 | /**\r | |
3986 | Check whether the Device path in a boot option point to a valid bootable device,\r | |
3987 | And if CheckMedia is true, check the device is ready to boot now.\r | |
3988 | If Description is not NULL and the device path point to a fixed BlockIo\r | |
3989 | device, check the description whether conflict with other auto-created\r | |
3990 | boot options.\r | |
3991 | \r | |
3992 | @param DevPath the Device path in a boot option\r | |
3993 | @param CheckMedia if true, check the device is ready to boot now.\r | |
3994 | @param Description the description in a boot option\r | |
3995 | \r | |
3996 | @retval TRUE the Device path is valid\r | |
3997 | @retval FALSE the Device path is invalid .\r | |
3998 | \r | |
3999 | **/\r | |
4000 | BOOLEAN\r | |
4001 | EFIAPI\r | |
4002 | BdsLibIsValidEFIBootOptDevicePathExt (\r | |
4003 | IN EFI_DEVICE_PATH_PROTOCOL *DevPath,\r | |
4004 | IN BOOLEAN CheckMedia,\r | |
4005 | IN CHAR16 *Description\r | |
4006 | )\r | |
4007 | {\r | |
4008 | EFI_STATUS Status;\r | |
4009 | EFI_HANDLE Handle;\r | |
4010 | EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;\r | |
4011 | EFI_DEVICE_PATH_PROTOCOL *LastDeviceNode;\r | |
4012 | EFI_BLOCK_IO_PROTOCOL *BlockIo;\r | |
4013 | \r | |
4014 | TempDevicePath = DevPath;\r | |
4015 | LastDeviceNode = DevPath;\r | |
4016 | \r | |
4017 | //\r | |
4018 | // Check if it's a valid boot option for network boot device.\r | |
4019 | // Check if there is EfiLoadFileProtocol installed. \r | |
4020 | // If yes, that means there is a boot option for network.\r | |
4021 | //\r | |
4022 | Status = gBS->LocateDevicePath (\r | |
4023 | &gEfiLoadFileProtocolGuid,\r | |
4024 | &TempDevicePath,\r | |
4025 | &Handle\r | |
4026 | );\r | |
4027 | if (EFI_ERROR (Status)) {\r | |
4028 | //\r | |
4029 | // Device not present so see if we need to connect it\r | |
4030 | //\r | |
4031 | TempDevicePath = DevPath;\r | |
4032 | BdsLibConnectDevicePath (TempDevicePath);\r | |
4033 | Status = gBS->LocateDevicePath (\r | |
4034 | &gEfiLoadFileProtocolGuid,\r | |
4035 | &TempDevicePath,\r | |
4036 | &Handle\r | |
4037 | );\r | |
4038 | }\r | |
4039 | \r | |
4040 | if (!EFI_ERROR (Status)) {\r | |
4041 | if (!IsDevicePathEnd (TempDevicePath)) {\r | |
4042 | //\r | |
4043 | // LoadFile protocol is not installed on handle with exactly the same DevPath\r | |
4044 | //\r | |
4045 | return FALSE;\r | |
4046 | }\r | |
4047 | \r | |
4048 | if (CheckMedia) {\r | |
4049 | //\r | |
4050 | // Test if it is ready to boot now\r | |
4051 | //\r | |
4052 | if (BdsLibNetworkBootWithMediaPresent(DevPath)) {\r | |
4053 | return TRUE;\r | |
4054 | }\r | |
4055 | } else {\r | |
4056 | return TRUE;\r | |
4057 | } \r | |
4058 | }\r | |
4059 | \r | |
4060 | //\r | |
4061 | // If the boot option point to a file, it is a valid EFI boot option,\r | |
4062 | // and assume it is ready to boot now\r | |
4063 | //\r | |
4064 | while (!IsDevicePathEnd (TempDevicePath)) {\r | |
4065 | //\r | |
4066 | // If there is USB Class or USB WWID device path node, treat it as valid EFI\r | |
4067 | // Boot Option. BdsExpandUsbShortFormDevicePath () will be used to expand it\r | |
4068 | // to full device path.\r | |
4069 | //\r | |
4070 | if ((DevicePathType (TempDevicePath) == MESSAGING_DEVICE_PATH) &&\r | |
4071 | ((DevicePathSubType (TempDevicePath) == MSG_USB_CLASS_DP) ||\r | |
4072 | (DevicePathSubType (TempDevicePath) == MSG_USB_WWID_DP))) {\r | |
4073 | return TRUE;\r | |
4074 | }\r | |
4075 | \r | |
4076 | LastDeviceNode = TempDevicePath;\r | |
4077 | TempDevicePath = NextDevicePathNode (TempDevicePath);\r | |
4078 | }\r | |
4079 | if ((DevicePathType (LastDeviceNode) == MEDIA_DEVICE_PATH) &&\r | |
4080 | (DevicePathSubType (LastDeviceNode) == MEDIA_FILEPATH_DP)) {\r | |
4081 | return TRUE;\r | |
4082 | }\r | |
4083 | \r | |
4084 | //\r | |
4085 | // Check if it's a valid boot option for internal FV application\r | |
4086 | //\r | |
4087 | if (EfiGetNameGuidFromFwVolDevicePathNode ((MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *) LastDeviceNode) != NULL) {\r | |
4088 | //\r | |
4089 | // If the boot option point to internal FV application, make sure it is valid\r | |
4090 | //\r | |
4091 | TempDevicePath = DevPath;\r | |
4092 | Status = BdsLibUpdateFvFileDevicePath (\r | |
4093 | &TempDevicePath,\r | |
4094 | EfiGetNameGuidFromFwVolDevicePathNode ((MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *) LastDeviceNode)\r | |
4095 | );\r | |
4096 | if (Status == EFI_ALREADY_STARTED) {\r | |
4097 | return TRUE;\r | |
4098 | } else {\r | |
4099 | if (Status == EFI_SUCCESS) {\r | |
4100 | FreePool (TempDevicePath);\r | |
4101 | }\r | |
4102 | return FALSE;\r | |
4103 | }\r | |
4104 | }\r | |
4105 | \r | |
4106 | //\r | |
4107 | // If the boot option point to a blockIO device:\r | |
4108 | // if it is a removable blockIo device, it is valid.\r | |
4109 | // if it is a fixed blockIo device, check its description confliction.\r | |
4110 | //\r | |
4111 | TempDevicePath = DevPath;\r | |
4112 | Status = gBS->LocateDevicePath (&gEfiBlockIoProtocolGuid, &TempDevicePath, &Handle);\r | |
4113 | if (EFI_ERROR (Status)) {\r | |
4114 | //\r | |
4115 | // Device not present so see if we need to connect it\r | |
4116 | //\r | |
4117 | Status = BdsLibConnectDevicePath (DevPath);\r | |
4118 | if (!EFI_ERROR (Status)) {\r | |
4119 | //\r | |
4120 | // Try again to get the Block Io protocol after we did the connect\r | |
4121 | //\r | |
4122 | TempDevicePath = DevPath;\r | |
4123 | Status = gBS->LocateDevicePath (&gEfiBlockIoProtocolGuid, &TempDevicePath, &Handle);\r | |
4124 | }\r | |
4125 | }\r | |
4126 | \r | |
4127 | if (!EFI_ERROR (Status)) {\r | |
4128 | Status = gBS->HandleProtocol (Handle, &gEfiBlockIoProtocolGuid, (VOID **)&BlockIo);\r | |
4129 | if (!EFI_ERROR (Status)) {\r | |
4130 | if (CheckMedia) {\r | |
4131 | //\r | |
4132 | // Test if it is ready to boot now\r | |
4133 | //\r | |
4134 | if (BdsLibGetBootableHandle (DevPath) != NULL) {\r | |
4135 | return TRUE;\r | |
4136 | }\r | |
4137 | } else {\r | |
4138 | return TRUE;\r | |
4139 | }\r | |
4140 | }\r | |
4141 | } else {\r | |
4142 | //\r | |
4143 | // if the boot option point to a simple file protocol which does not consume block Io protocol, it is also a valid EFI boot option,\r | |
4144 | //\r | |
4145 | Status = gBS->LocateDevicePath (&gEfiSimpleFileSystemProtocolGuid, &TempDevicePath, &Handle);\r | |
4146 | if (!EFI_ERROR (Status)) {\r | |
4147 | if (CheckMedia) {\r | |
4148 | //\r | |
4149 | // Test if it is ready to boot now\r | |
4150 | //\r | |
4151 | if (BdsLibGetBootableHandle (DevPath) != NULL) {\r | |
4152 | return TRUE;\r | |
4153 | }\r | |
4154 | } else {\r | |
4155 | return TRUE;\r | |
4156 | }\r | |
4157 | }\r | |
4158 | }\r | |
4159 | \r | |
4160 | return FALSE;\r | |
4161 | }\r | |
4162 | \r | |
4163 | \r | |
4164 | /**\r | |
4165 | According to a file guild, check a Fv file device path is valid. If it is invalid,\r | |
4166 | try to return the valid device path.\r | |
4167 | FV address maybe changes for memory layout adjust from time to time, use this function\r | |
4168 | could promise the Fv file device path is right.\r | |
4169 | \r | |
4170 | @param DevicePath on input, the Fv file device path need to check on\r | |
4171 | output, the updated valid Fv file device path\r | |
4172 | @param FileGuid the Fv file guild\r | |
4173 | \r | |
4174 | @retval EFI_INVALID_PARAMETER the input DevicePath or FileGuid is invalid\r | |
4175 | parameter\r | |
4176 | @retval EFI_UNSUPPORTED the input DevicePath does not contain Fv file\r | |
4177 | guild at all\r | |
4178 | @retval EFI_ALREADY_STARTED the input DevicePath has pointed to Fv file, it is\r | |
4179 | valid\r | |
4180 | @retval EFI_SUCCESS has successfully updated the invalid DevicePath,\r | |
4181 | and return the updated device path in DevicePath\r | |
4182 | \r | |
4183 | **/\r | |
4184 | EFI_STATUS\r | |
4185 | EFIAPI\r | |
4186 | BdsLibUpdateFvFileDevicePath (\r | |
4187 | IN OUT EFI_DEVICE_PATH_PROTOCOL ** DevicePath,\r | |
4188 | IN EFI_GUID *FileGuid\r | |
4189 | )\r | |
4190 | {\r | |
4191 | EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;\r | |
4192 | EFI_DEVICE_PATH_PROTOCOL *LastDeviceNode;\r | |
4193 | EFI_STATUS Status;\r | |
4194 | EFI_GUID *GuidPoint;\r | |
4195 | UINTN Index;\r | |
4196 | UINTN FvHandleCount;\r | |
4197 | EFI_HANDLE *FvHandleBuffer;\r | |
4198 | EFI_FV_FILETYPE Type;\r | |
4199 | UINTN Size;\r | |
4200 | EFI_FV_FILE_ATTRIBUTES Attributes;\r | |
4201 | UINT32 AuthenticationStatus;\r | |
4202 | BOOLEAN FindFvFile;\r | |
4203 | EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;\r | |
4204 | EFI_FIRMWARE_VOLUME2_PROTOCOL *Fv;\r | |
4205 | MEDIA_FW_VOL_FILEPATH_DEVICE_PATH FvFileNode;\r | |
4206 | EFI_HANDLE FoundFvHandle;\r | |
4207 | EFI_DEVICE_PATH_PROTOCOL *NewDevicePath;\r | |
4208 | \r | |
4209 | if ((DevicePath == NULL) || (*DevicePath == NULL)) {\r | |
4210 | return EFI_INVALID_PARAMETER;\r | |
4211 | }\r | |
4212 | if (FileGuid == NULL) {\r | |
4213 | return EFI_INVALID_PARAMETER;\r | |
4214 | }\r | |
4215 | \r | |
4216 | //\r | |
4217 | // Check whether the device path point to the default the input Fv file\r | |
4218 | //\r | |
4219 | TempDevicePath = *DevicePath;\r | |
4220 | LastDeviceNode = TempDevicePath;\r | |
4221 | while (!IsDevicePathEnd (TempDevicePath)) {\r | |
4222 | LastDeviceNode = TempDevicePath;\r | |
4223 | TempDevicePath = NextDevicePathNode (TempDevicePath);\r | |
4224 | }\r | |
4225 | GuidPoint = EfiGetNameGuidFromFwVolDevicePathNode (\r | |
4226 | (MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *) LastDeviceNode\r | |
4227 | );\r | |
4228 | if (GuidPoint == NULL) {\r | |
4229 | //\r | |
4230 | // if this option does not points to a Fv file, just return EFI_UNSUPPORTED\r | |
4231 | //\r | |
4232 | return EFI_UNSUPPORTED;\r | |
4233 | }\r | |
4234 | if (!CompareGuid (GuidPoint, FileGuid)) {\r | |
4235 | //\r | |
4236 | // If the Fv file is not the input file guid, just return EFI_UNSUPPORTED\r | |
4237 | //\r | |
4238 | return EFI_UNSUPPORTED;\r | |
4239 | }\r | |
4240 | \r | |
4241 | //\r | |
4242 | // Check whether the input Fv file device path is valid\r | |
4243 | //\r | |
4244 | TempDevicePath = *DevicePath;\r | |
4245 | FoundFvHandle = NULL;\r | |
4246 | Status = gBS->LocateDevicePath (\r | |
4247 | &gEfiFirmwareVolume2ProtocolGuid,\r | |
4248 | &TempDevicePath,\r | |
4249 | &FoundFvHandle\r | |
4250 | );\r | |
4251 | if (!EFI_ERROR (Status)) {\r | |
4252 | Status = gBS->HandleProtocol (\r | |
4253 | FoundFvHandle,\r | |
4254 | &gEfiFirmwareVolume2ProtocolGuid,\r | |
4255 | (VOID **) &Fv\r | |
4256 | );\r | |
4257 | if (!EFI_ERROR (Status)) {\r | |
4258 | //\r | |
4259 | // Set FV ReadFile Buffer as NULL, only need to check whether input Fv file exist there\r | |
4260 | //\r | |
4261 | Status = Fv->ReadFile (\r | |
4262 | Fv,\r | |
4263 | FileGuid,\r | |
4264 | NULL,\r | |
4265 | &Size,\r | |
4266 | &Type,\r | |
4267 | &Attributes,\r | |
4268 | &AuthenticationStatus\r | |
4269 | );\r | |
4270 | if (!EFI_ERROR (Status)) {\r | |
4271 | return EFI_ALREADY_STARTED;\r | |
4272 | }\r | |
4273 | }\r | |
4274 | }\r | |
4275 | \r | |
4276 | //\r | |
4277 | // Look for the input wanted FV file in current FV\r | |
4278 | // First, try to look for in Bds own FV. Bds and input wanted FV file usually are in the same FV\r | |
4279 | //\r | |
4280 | FindFvFile = FALSE;\r | |
4281 | FoundFvHandle = NULL;\r | |
4282 | Status = gBS->HandleProtocol (\r | |
4283 | gImageHandle,\r | |
4284 | &gEfiLoadedImageProtocolGuid,\r | |
4285 | (VOID **) &LoadedImage\r | |
4286 | );\r | |
4287 | if (!EFI_ERROR (Status)) {\r | |
4288 | Status = gBS->HandleProtocol (\r | |
4289 | LoadedImage->DeviceHandle,\r | |
4290 | &gEfiFirmwareVolume2ProtocolGuid,\r | |
4291 | (VOID **) &Fv\r | |
4292 | );\r | |
4293 | if (!EFI_ERROR (Status)) {\r | |
4294 | Status = Fv->ReadFile (\r | |
4295 | Fv,\r | |
4296 | FileGuid,\r | |
4297 | NULL,\r | |
4298 | &Size,\r | |
4299 | &Type,\r | |
4300 | &Attributes,\r | |
4301 | &AuthenticationStatus\r | |
4302 | );\r | |
4303 | if (!EFI_ERROR (Status)) {\r | |
4304 | FindFvFile = TRUE;\r | |
4305 | FoundFvHandle = LoadedImage->DeviceHandle;\r | |
4306 | }\r | |
4307 | }\r | |
4308 | }\r | |
4309 | //\r | |
4310 | // Second, if fail to find, try to enumerate all FV\r | |
4311 | //\r | |
4312 | if (!FindFvFile) {\r | |
4313 | FvHandleBuffer = NULL;\r | |
4314 | gBS->LocateHandleBuffer (\r | |
4315 | ByProtocol,\r | |
4316 | &gEfiFirmwareVolume2ProtocolGuid,\r | |
4317 | NULL,\r | |
4318 | &FvHandleCount,\r | |
4319 | &FvHandleBuffer\r | |
4320 | );\r | |
4321 | for (Index = 0; Index < FvHandleCount; Index++) {\r | |
4322 | gBS->HandleProtocol (\r | |
4323 | FvHandleBuffer[Index],\r | |
4324 | &gEfiFirmwareVolume2ProtocolGuid,\r | |
4325 | (VOID **) &Fv\r | |
4326 | );\r | |
4327 | \r | |
4328 | Status = Fv->ReadFile (\r | |
4329 | Fv,\r | |
4330 | FileGuid,\r | |
4331 | NULL,\r | |
4332 | &Size,\r | |
4333 | &Type,\r | |
4334 | &Attributes,\r | |
4335 | &AuthenticationStatus\r | |
4336 | );\r | |
4337 | if (EFI_ERROR (Status)) {\r | |
4338 | //\r | |
4339 | // Skip if input Fv file not in the FV\r | |
4340 | //\r | |
4341 | continue;\r | |
4342 | }\r | |
4343 | FindFvFile = TRUE;\r | |
4344 | FoundFvHandle = FvHandleBuffer[Index];\r | |
4345 | break;\r | |
4346 | }\r | |
4347 | \r | |
4348 | if (FvHandleBuffer != NULL) {\r | |
4349 | FreePool (FvHandleBuffer);\r | |
4350 | }\r | |
4351 | }\r | |
4352 | \r | |
4353 | if (FindFvFile) {\r | |
4354 | //\r | |
4355 | // Build the shell device path\r | |
4356 | //\r | |
4357 | NewDevicePath = DevicePathFromHandle (FoundFvHandle);\r | |
4358 | EfiInitializeFwVolDevicepathNode (&FvFileNode, FileGuid);\r | |
4359 | NewDevicePath = AppendDevicePathNode (NewDevicePath, (EFI_DEVICE_PATH_PROTOCOL *) &FvFileNode);\r | |
4360 | ASSERT (NewDevicePath != NULL);\r | |
4361 | *DevicePath = NewDevicePath;\r | |
4362 | return EFI_SUCCESS;\r | |
4363 | }\r | |
4364 | return EFI_NOT_FOUND;\r | |
4365 | }\r |