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5c08e117 | 1 | /** @file\r |
2 | This function deal with the legacy boot option, it create, delete\r | |
3 | and manage the legacy boot option, all legacy boot option is getting from\r | |
4 | the legacy BBS table.\r | |
5 | \r | |
13078b3f | 6 | Copyright (c) 2004 - 2009, Intel Corporation. <BR>\r |
5c08e117 | 7 | All rights reserved. This program and the accompanying materials\r |
8 | are licensed and made available under the terms and conditions of the BSD License\r | |
9 | which accompanies this distribution. The full text of the license may be found at\r | |
10 | http://opensource.org/licenses/bsd-license.php\r | |
11 | \r | |
12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
14 | \r | |
15 | **/\r | |
16 | \r | |
17 | #include "BBSsupport.h"\r | |
18 | \r | |
19 | /**\r | |
20 | \r | |
21 | Translate the first n characters of an Ascii string to\r | |
22 | Unicode characters. The count n is indicated by parameter\r | |
23 | Size. If Size is greater than the length of string, then\r | |
24 | the entire string is translated.\r | |
25 | \r | |
26 | \r | |
27 | @param AStr Pointer to input Ascii string.\r | |
28 | @param Size The number of characters to translate.\r | |
29 | @param UStr Pointer to output Unicode string buffer.\r | |
30 | \r | |
31 | **/\r | |
32 | VOID\r | |
33 | AsciiToUnicodeSize (\r | |
34 | IN UINT8 *AStr,\r | |
35 | IN UINTN Size,\r | |
36 | OUT UINT16 *UStr\r | |
37 | )\r | |
38 | {\r | |
39 | UINTN Idx;\r | |
40 | \r | |
41 | Idx = 0;\r | |
42 | while (AStr[Idx] != 0) {\r | |
43 | UStr[Idx] = (CHAR16) AStr[Idx];\r | |
44 | if (Idx == Size) {\r | |
45 | break;\r | |
46 | }\r | |
47 | \r | |
48 | Idx++;\r | |
49 | }\r | |
50 | UStr[Idx] = 0;\r | |
51 | }\r | |
52 | \r | |
53 | /**\r | |
54 | Build Legacy Device Name String according.\r | |
55 | \r | |
56 | @param CurBBSEntry BBS Table.\r | |
57 | @param Index Index.\r | |
58 | @param BufSize The buffer size.\r | |
59 | @param BootString The output string.\r | |
60 | \r | |
61 | **/\r | |
62 | VOID\r | |
63 | BdsBuildLegacyDevNameString (\r | |
64 | IN BBS_TABLE *CurBBSEntry,\r | |
65 | IN UINTN Index,\r | |
66 | IN UINTN BufSize,\r | |
67 | OUT CHAR16 *BootString\r | |
68 | )\r | |
69 | {\r | |
70 | CHAR16 *Fmt;\r | |
71 | CHAR16 *Type;\r | |
72 | UINT8 *StringDesc;\r | |
73 | CHAR16 Temp[80];\r | |
74 | \r | |
75 | switch (Index) {\r | |
76 | //\r | |
77 | // Primary Master\r | |
78 | //\r | |
79 | case 1:\r | |
80 | Fmt = L"Primary Master %s";\r | |
81 | break;\r | |
82 | \r | |
83 | //\r | |
84 | // Primary Slave\r | |
85 | //\r | |
86 | case 2:\r | |
87 | Fmt = L"Primary Slave %s";\r | |
88 | break;\r | |
89 | \r | |
90 | //\r | |
91 | // Secondary Master\r | |
92 | //\r | |
93 | case 3:\r | |
94 | Fmt = L"Secondary Master %s";\r | |
95 | break;\r | |
96 | \r | |
97 | //\r | |
98 | // Secondary Slave\r | |
99 | //\r | |
100 | case 4:\r | |
101 | Fmt = L"Secondary Slave %s";\r | |
102 | break;\r | |
103 | \r | |
104 | default:\r | |
105 | Fmt = L"%s";\r | |
106 | break;\r | |
107 | }\r | |
108 | \r | |
109 | switch (CurBBSEntry->DeviceType) {\r | |
110 | case BBS_FLOPPY:\r | |
111 | Type = L"Floppy";\r | |
112 | break;\r | |
113 | \r | |
114 | case BBS_HARDDISK:\r | |
115 | Type = L"Harddisk";\r | |
116 | break;\r | |
117 | \r | |
118 | case BBS_CDROM:\r | |
119 | Type = L"CDROM";\r | |
120 | break;\r | |
121 | \r | |
122 | case BBS_PCMCIA:\r | |
123 | Type = L"PCMCIAe";\r | |
124 | break;\r | |
125 | \r | |
126 | case BBS_USB:\r | |
127 | Type = L"USB";\r | |
128 | break;\r | |
129 | \r | |
130 | case BBS_EMBED_NETWORK:\r | |
131 | Type = L"Network";\r | |
132 | break;\r | |
133 | \r | |
134 | case BBS_BEV_DEVICE:\r | |
135 | Type = L"BEVe";\r | |
136 | break;\r | |
137 | \r | |
138 | case BBS_UNKNOWN:\r | |
139 | default:\r | |
140 | Type = L"Unknown";\r | |
141 | break;\r | |
142 | }\r | |
143 | //\r | |
144 | // If current BBS entry has its description then use it.\r | |
145 | //\r | |
146 | StringDesc = (UINT8 *) (UINTN) ((CurBBSEntry->DescStringSegment << 4) + CurBBSEntry->DescStringOffset);\r | |
147 | if (NULL != StringDesc) {\r | |
148 | //\r | |
149 | // Only get fisrt 32 characters, this is suggested by BBS spec\r | |
150 | //\r | |
151 | AsciiToUnicodeSize (StringDesc, 32, Temp);\r | |
152 | Fmt = L"%s";\r | |
153 | Type = Temp;\r | |
154 | }\r | |
155 | \r | |
156 | //\r | |
157 | // BbsTable 16 entries are for onboard IDE.\r | |
158 | // Set description string for SATA harddisks, Harddisk 0 ~ Harddisk 11\r | |
159 | //\r | |
160 | if (Index >= 5 && Index <= 16 && CurBBSEntry->DeviceType == BBS_HARDDISK) {\r | |
161 | Fmt = L"%s %d";\r | |
162 | UnicodeSPrint (BootString, BufSize, Fmt, Type, Index - 5);\r | |
163 | } else {\r | |
164 | UnicodeSPrint (BootString, BufSize, Fmt, Type);\r | |
165 | }\r | |
166 | }\r | |
167 | \r | |
168 | /**\r | |
169 | \r | |
170 | Create a legacy boot option for the specified entry of\r | |
171 | BBS table, save it as variable, and append it to the boot\r | |
172 | order list.\r | |
173 | \r | |
174 | \r | |
175 | @param CurrentBbsEntry Pointer to current BBS table.\r | |
176 | @param CurrentBbsDevPath Pointer to the Device Path Protocol instance of BBS\r | |
177 | @param Index Index of the specified entry in BBS table.\r | |
178 | @param BootOrderList On input, the original boot order list.\r | |
179 | On output, the new boot order list attached with the\r | |
180 | created node.\r | |
181 | @param BootOrderListSize On input, the original size of boot order list.\r | |
182 | On output, the size of new boot order list.\r | |
183 | \r | |
184 | @retval EFI_SUCCESS Boot Option successfully created.\r | |
185 | @retval EFI_OUT_OF_RESOURCES Fail to allocate necessary memory.\r | |
186 | @retval Other Error occurs while setting variable.\r | |
187 | \r | |
188 | **/\r | |
189 | EFI_STATUS\r | |
190 | BdsCreateLegacyBootOption (\r | |
191 | IN BBS_TABLE *CurrentBbsEntry,\r | |
192 | IN EFI_DEVICE_PATH_PROTOCOL *CurrentBbsDevPath,\r | |
193 | IN UINTN Index,\r | |
194 | IN OUT UINT16 **BootOrderList,\r | |
195 | IN OUT UINTN *BootOrderListSize\r | |
196 | )\r | |
197 | {\r | |
198 | EFI_STATUS Status;\r | |
199 | UINT16 CurrentBootOptionNo;\r | |
200 | UINT16 BootString[10];\r | |
201 | UINT16 BootDesc[100];\r | |
202 | CHAR8 HelpString[100];\r | |
203 | UINT16 *NewBootOrderList;\r | |
204 | UINTN BufferSize;\r | |
205 | UINTN StringLen;\r | |
206 | VOID *Buffer;\r | |
207 | UINT8 *Ptr;\r | |
208 | UINT16 CurrentBbsDevPathSize;\r | |
209 | UINTN BootOrderIndex;\r | |
210 | UINTN BootOrderLastIndex;\r | |
211 | UINTN ArrayIndex;\r | |
212 | BOOLEAN IndexNotFound;\r | |
213 | BBS_BBS_DEVICE_PATH *NewBbsDevPathNode;\r | |
214 | \r | |
215 | if ((*BootOrderList) == NULL) {\r | |
216 | CurrentBootOptionNo = 0;\r | |
217 | } else {\r | |
218 | for (ArrayIndex = 0; ArrayIndex < (UINTN) (*BootOrderListSize / sizeof (UINT16)); ArrayIndex++) {\r | |
219 | IndexNotFound = TRUE;\r | |
220 | for (BootOrderIndex = 0; BootOrderIndex < (UINTN) (*BootOrderListSize / sizeof (UINT16)); BootOrderIndex++) {\r | |
221 | if ((*BootOrderList)[BootOrderIndex] == ArrayIndex) {\r | |
222 | IndexNotFound = FALSE;\r | |
223 | break;\r | |
224 | }\r | |
225 | }\r | |
226 | \r | |
227 | if (!IndexNotFound) {\r | |
228 | continue;\r | |
229 | } else {\r | |
230 | break;\r | |
231 | }\r | |
232 | }\r | |
233 | \r | |
234 | CurrentBootOptionNo = (UINT16) ArrayIndex;\r | |
235 | }\r | |
236 | \r | |
237 | UnicodeSPrint (\r | |
238 | BootString,\r | |
239 | sizeof (BootString),\r | |
240 | L"Boot%04x",\r | |
241 | CurrentBootOptionNo\r | |
242 | );\r | |
243 | \r | |
244 | BdsBuildLegacyDevNameString (CurrentBbsEntry, Index, sizeof (BootDesc), BootDesc);\r | |
245 | \r | |
246 | //\r | |
247 | // Create new BBS device path node with description string\r | |
248 | //\r | |
249 | UnicodeStrToAsciiStr ((CONST CHAR16*)&BootDesc, (CHAR8*)&HelpString);\r | |
250 | \r | |
251 | StringLen = AsciiStrLen (HelpString);\r | |
252 | NewBbsDevPathNode = AllocateZeroPool (sizeof (BBS_BBS_DEVICE_PATH) + StringLen);\r | |
253 | if (NewBbsDevPathNode == NULL) {\r | |
254 | return EFI_OUT_OF_RESOURCES;\r | |
255 | }\r | |
256 | CopyMem (NewBbsDevPathNode, CurrentBbsDevPath, sizeof (BBS_BBS_DEVICE_PATH));\r | |
257 | CopyMem (NewBbsDevPathNode->String, HelpString, StringLen + 1);\r | |
258 | SetDevicePathNodeLength (&(NewBbsDevPathNode->Header), sizeof (BBS_BBS_DEVICE_PATH) + StringLen);\r | |
259 | \r | |
260 | //\r | |
261 | // Create entire new CurrentBbsDevPath with end node\r | |
262 | //\r | |
263 | CurrentBbsDevPath = AppendDevicePathNode (\r | |
264 | EndDevicePath,\r | |
265 | (EFI_DEVICE_PATH_PROTOCOL *) NewBbsDevPathNode\r | |
266 | );\r | |
267 | if (CurrentBbsDevPath == NULL) {\r | |
268 | FreePool (NewBbsDevPathNode);\r | |
269 | return EFI_OUT_OF_RESOURCES;\r | |
270 | }\r | |
271 | \r | |
272 | CurrentBbsDevPathSize = (UINT16) (GetDevicePathSize (CurrentBbsDevPath));\r | |
273 | \r | |
274 | BufferSize = sizeof (UINT32) +\r | |
275 | sizeof (UINT16) +\r | |
276 | StrSize (BootDesc) +\r | |
277 | CurrentBbsDevPathSize +\r | |
278 | sizeof (BBS_TABLE) +\r | |
279 | sizeof (UINT16);\r | |
280 | \r | |
281 | Buffer = AllocateZeroPool (BufferSize);\r | |
282 | if (Buffer == NULL) {\r | |
283 | FreePool (NewBbsDevPathNode);\r | |
284 | FreePool (CurrentBbsDevPath);\r | |
285 | return EFI_OUT_OF_RESOURCES;\r | |
286 | }\r | |
287 | \r | |
288 | Ptr = (UINT8 *) Buffer;\r | |
289 | \r | |
290 | *((UINT32 *) Ptr) = LOAD_OPTION_ACTIVE;\r | |
291 | Ptr += sizeof (UINT32);\r | |
292 | \r | |
293 | *((UINT16 *) Ptr) = CurrentBbsDevPathSize;\r | |
294 | Ptr += sizeof (UINT16);\r | |
295 | \r | |
296 | CopyMem (\r | |
297 | Ptr,\r | |
298 | BootDesc,\r | |
299 | StrSize (BootDesc)\r | |
300 | );\r | |
301 | Ptr += StrSize (BootDesc);\r | |
302 | \r | |
303 | CopyMem (\r | |
304 | Ptr,\r | |
305 | CurrentBbsDevPath,\r | |
306 | CurrentBbsDevPathSize\r | |
307 | );\r | |
308 | Ptr += CurrentBbsDevPathSize;\r | |
309 | \r | |
310 | CopyMem (\r | |
311 | Ptr,\r | |
312 | CurrentBbsEntry,\r | |
313 | sizeof (BBS_TABLE)\r | |
314 | );\r | |
315 | \r | |
316 | Ptr += sizeof (BBS_TABLE);\r | |
317 | *((UINT16 *) Ptr) = (UINT16) Index;\r | |
318 | \r | |
319 | Status = gRT->SetVariable (\r | |
320 | BootString,\r | |
321 | &gEfiGlobalVariableGuid,\r | |
322 | VAR_FLAG,\r | |
323 | BufferSize,\r | |
324 | Buffer\r | |
325 | );\r | |
326 | \r | |
327 | FreePool (Buffer);\r | |
328 | \r | |
329 | Buffer = NULL;\r | |
330 | \r | |
331 | NewBootOrderList = AllocateZeroPool (*BootOrderListSize + sizeof (UINT16));\r | |
332 | if (NULL == NewBootOrderList) {\r | |
333 | FreePool (NewBbsDevPathNode);\r | |
334 | FreePool (CurrentBbsDevPath);\r | |
335 | return EFI_OUT_OF_RESOURCES;\r | |
336 | }\r | |
337 | \r | |
338 | if (*BootOrderList != NULL) {\r | |
339 | CopyMem (NewBootOrderList, *BootOrderList, *BootOrderListSize);\r | |
340 | FreePool (*BootOrderList);\r | |
341 | }\r | |
342 | \r | |
343 | BootOrderLastIndex = (UINTN) (*BootOrderListSize / sizeof (UINT16));\r | |
344 | NewBootOrderList[BootOrderLastIndex] = CurrentBootOptionNo;\r | |
345 | *BootOrderListSize += sizeof (UINT16);\r | |
346 | *BootOrderList = NewBootOrderList;\r | |
347 | \r | |
348 | FreePool (NewBbsDevPathNode);\r | |
349 | FreePool (CurrentBbsDevPath);\r | |
350 | return Status;\r | |
351 | }\r | |
352 | \r | |
353 | /**\r | |
354 | Check if the boot option is a legacy one.\r | |
355 | \r | |
356 | @param BootOptionVar The boot option data payload.\r | |
357 | @param BbsEntry The BBS Table.\r | |
358 | @param BbsIndex The table index.\r | |
359 | \r | |
360 | @retval TRUE It is a legacy boot option.\r | |
361 | @retval FALSE It is not a legacy boot option.\r | |
362 | \r | |
363 | **/\r | |
364 | BOOLEAN\r | |
365 | BdsIsLegacyBootOption (\r | |
366 | IN UINT8 *BootOptionVar,\r | |
367 | OUT BBS_TABLE **BbsEntry,\r | |
368 | OUT UINT16 *BbsIndex\r | |
369 | )\r | |
370 | {\r | |
371 | UINT8 *Ptr;\r | |
372 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
373 | BOOLEAN Ret;\r | |
374 | UINT16 DevPathLen;\r | |
375 | \r | |
376 | Ptr = BootOptionVar;\r | |
377 | Ptr += sizeof (UINT32);\r | |
378 | DevPathLen = *(UINT16 *) Ptr;\r | |
379 | Ptr += sizeof (UINT16);\r | |
380 | Ptr += StrSize ((UINT16 *) Ptr);\r | |
381 | DevicePath = (EFI_DEVICE_PATH_PROTOCOL *) Ptr;\r | |
382 | if ((BBS_DEVICE_PATH == DevicePath->Type) && (BBS_BBS_DP == DevicePath->SubType)) {\r | |
383 | Ptr += DevPathLen;\r | |
384 | *BbsEntry = (BBS_TABLE *) Ptr;\r | |
385 | Ptr += sizeof (BBS_TABLE);\r | |
386 | *BbsIndex = *(UINT16 *) Ptr;\r | |
387 | Ret = TRUE;\r | |
388 | } else {\r | |
389 | *BbsEntry = NULL;\r | |
390 | Ret = FALSE;\r | |
391 | }\r | |
392 | \r | |
393 | return Ret;\r | |
394 | }\r | |
395 | \r | |
396 | /**\r | |
397 | Delete all the invalid legacy boot options.\r | |
398 | \r | |
399 | @retval EFI_SUCCESS All invalide legacy boot options are deleted.\r | |
400 | @retval EFI_OUT_OF_RESOURCES Fail to allocate necessary memory.\r | |
401 | @retval EFI_NOT_FOUND Fail to retrive variable of boot order.\r | |
402 | **/\r | |
403 | EFI_STATUS\r | |
6ba0bc7c | 404 | EFIAPI\r |
5c08e117 | 405 | BdsDeleteAllInvalidLegacyBootOptions (\r |
406 | VOID\r | |
407 | )\r | |
408 | {\r | |
409 | UINT16 *BootOrder;\r | |
410 | UINT8 *BootOptionVar;\r | |
411 | UINTN BootOrderSize;\r | |
412 | UINTN BootOptionSize;\r | |
413 | EFI_STATUS Status;\r | |
414 | UINT16 HddCount;\r | |
415 | UINT16 BbsCount;\r | |
416 | HDD_INFO *LocalHddInfo;\r | |
417 | BBS_TABLE *LocalBbsTable;\r | |
418 | BBS_TABLE *BbsEntry;\r | |
419 | UINT16 BbsIndex;\r | |
420 | EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;\r | |
421 | UINTN Index;\r | |
422 | UINT16 BootOption[10];\r | |
423 | UINT16 BootDesc[100];\r | |
424 | BOOLEAN DescStringMatch;\r | |
425 | \r | |
426 | Status = EFI_SUCCESS;\r | |
427 | BootOrder = NULL;\r | |
428 | BootOrderSize = 0;\r | |
429 | HddCount = 0;\r | |
430 | BbsCount = 0;\r | |
431 | LocalHddInfo = NULL;\r | |
432 | LocalBbsTable = NULL;\r | |
433 | BbsEntry = NULL;\r | |
434 | \r | |
435 | Status = EfiLibLocateProtocol (&gEfiLegacyBiosProtocolGuid, (VOID **) &LegacyBios);\r | |
436 | if (EFI_ERROR (Status)) {\r | |
437 | return Status;\r | |
438 | }\r | |
439 | \r | |
440 | LegacyBios->GetBbsInfo (\r | |
441 | LegacyBios,\r | |
442 | &HddCount,\r | |
443 | &LocalHddInfo,\r | |
444 | &BbsCount,\r | |
445 | &LocalBbsTable\r | |
446 | );\r | |
447 | \r | |
448 | BootOrder = BdsLibGetVariableAndSize (\r | |
449 | L"BootOrder",\r | |
450 | &gEfiGlobalVariableGuid,\r | |
451 | &BootOrderSize\r | |
452 | );\r | |
453 | if (NULL == BootOrder) {\r | |
454 | return EFI_NOT_FOUND;\r | |
455 | }\r | |
456 | \r | |
457 | Index = 0;\r | |
458 | while (Index < BootOrderSize / sizeof (UINT16)) {\r | |
459 | UnicodeSPrint (BootOption, sizeof (BootOption), L"Boot%04x", BootOrder[Index]);\r | |
460 | BootOptionVar = BdsLibGetVariableAndSize (\r | |
461 | BootOption,\r | |
462 | &gEfiGlobalVariableGuid,\r | |
463 | &BootOptionSize\r | |
464 | );\r | |
465 | if (NULL == BootOptionVar) {\r | |
466 | if (BootOrder != NULL) {\r | |
467 | FreePool (BootOrder);\r | |
468 | }\r | |
469 | return EFI_OUT_OF_RESOURCES;\r | |
470 | }\r | |
471 | \r | |
472 | //\r | |
473 | // Skip Non-Legacy boot options\r | |
474 | // \r | |
475 | if (!BdsIsLegacyBootOption (BootOptionVar, &BbsEntry, &BbsIndex)) {\r | |
476 | if (BootOptionVar!= NULL) {\r | |
477 | FreePool (BootOptionVar);\r | |
478 | }\r | |
479 | Index++;\r | |
480 | continue;\r | |
481 | }\r | |
482 | \r | |
483 | //\r | |
484 | // Check if BBS Description String is changed\r | |
485 | //\r | |
486 | DescStringMatch = FALSE;\r | |
487 | \r | |
488 | BdsBuildLegacyDevNameString (\r | |
489 | &LocalBbsTable[BbsIndex],\r | |
490 | BbsIndex,\r | |
491 | sizeof(BootDesc),\r | |
492 | BootDesc\r | |
493 | );\r | |
494 | \r | |
495 | if (StrCmp (BootDesc, (UINT16*)(BootOptionVar + sizeof (UINT32) + sizeof (UINT16))) == 0) {\r | |
496 | DescStringMatch = TRUE;\r | |
497 | }\r | |
498 | \r | |
499 | if (!((LocalBbsTable[BbsIndex].BootPriority == BBS_IGNORE_ENTRY) ||\r | |
500 | (LocalBbsTable[BbsIndex].BootPriority == BBS_DO_NOT_BOOT_FROM)) &&\r | |
501 | (LocalBbsTable[BbsIndex].DeviceType == BbsEntry->DeviceType) &&\r | |
502 | DescStringMatch) {\r | |
503 | Index++;\r | |
504 | continue;\r | |
505 | }\r | |
506 | \r | |
507 | if (BootOptionVar != NULL) {\r | |
508 | FreePool (BootOptionVar);\r | |
509 | }\r | |
510 | //\r | |
511 | // should delete\r | |
512 | //\r | |
513 | BdsDeleteBootOption (\r | |
514 | BootOrder[Index],\r | |
515 | BootOrder,\r | |
516 | &BootOrderSize\r | |
517 | );\r | |
518 | }\r | |
519 | \r | |
520 | //\r | |
521 | // Adjust the number of boot options.\r | |
522 | //\r | |
523 | if (BootOrderSize != 0) {\r | |
524 | Status = gRT->SetVariable (\r | |
525 | L"BootOrder",\r | |
526 | &gEfiGlobalVariableGuid,\r | |
527 | VAR_FLAG,\r | |
528 | BootOrderSize,\r | |
529 | BootOrder\r | |
530 | );\r | |
531 | } else {\r | |
532 | EfiLibDeleteVariable (L"BootOrder", &gEfiGlobalVariableGuid);\r | |
533 | }\r | |
534 | \r | |
535 | if (BootOrder != NULL) {\r | |
536 | FreePool (BootOrder);\r | |
537 | }\r | |
538 | \r | |
539 | return Status;\r | |
540 | }\r | |
541 | \r | |
542 | /**\r | |
543 | Find all legacy boot option by device type.\r | |
544 | \r | |
545 | @param BootOrder The boot order array.\r | |
546 | @param BootOptionNum The number of boot option.\r | |
547 | @param DevType Device type.\r | |
548 | @param Attribute The boot option attribute.\r | |
549 | @param BbsIndex The BBS table index.\r | |
550 | @param OptionNumber The boot option index.\r | |
551 | \r | |
552 | @retval TRUE The Legacy boot option is found.\r | |
553 | @retval FALSE The legacy boot option is not found.\r | |
554 | \r | |
555 | **/\r | |
556 | BOOLEAN\r | |
557 | BdsFindLegacyBootOptionByDevType (\r | |
558 | IN UINT16 *BootOrder,\r | |
559 | IN UINTN BootOptionNum,\r | |
560 | IN UINT16 DevType,\r | |
561 | OUT UINT32 *Attribute,\r | |
562 | OUT UINT16 *BbsIndex,\r | |
563 | OUT UINTN *OptionNumber\r | |
564 | )\r | |
565 | {\r | |
566 | UINTN Index;\r | |
567 | UINTN BootOrderIndex;\r | |
568 | UINT16 BootOption[100];\r | |
569 | UINTN BootOptionSize;\r | |
570 | UINT8 *BootOptionVar;\r | |
571 | BBS_TABLE *BbsEntry;\r | |
572 | BOOLEAN Found;\r | |
573 | \r | |
574 | BbsEntry = NULL;\r | |
575 | Found = FALSE;\r | |
576 | \r | |
577 | if (NULL == BootOrder) {\r | |
578 | return Found;\r | |
579 | }\r | |
580 | \r | |
581 | //\r | |
582 | // Loop all boot option from variable\r | |
583 | //\r | |
584 | for (BootOrderIndex = 0; BootOrderIndex < BootOptionNum; BootOrderIndex++) {\r | |
585 | Index = (UINTN) BootOrder[BootOrderIndex];\r | |
586 | UnicodeSPrint (BootOption, sizeof (BootOption), L"Boot%04x", Index);\r | |
587 | BootOptionVar = BdsLibGetVariableAndSize (\r | |
588 | BootOption,\r | |
589 | &gEfiGlobalVariableGuid,\r | |
590 | &BootOptionSize\r | |
591 | );\r | |
592 | if (NULL == BootOptionVar) {\r | |
593 | continue;\r | |
594 | }\r | |
595 | \r | |
596 | //\r | |
597 | // Skip Non-legacy boot option\r | |
598 | //\r | |
599 | if (!BdsIsLegacyBootOption (BootOptionVar, &BbsEntry, BbsIndex)) {\r | |
600 | FreePool (BootOptionVar);\r | |
601 | continue;\r | |
602 | }\r | |
603 | \r | |
604 | if (BbsEntry->DeviceType != DevType) {\r | |
605 | FreePool (BootOptionVar);\r | |
606 | continue;\r | |
607 | }\r | |
608 | \r | |
609 | *Attribute = *(UINT32 *) BootOptionVar;\r | |
610 | *OptionNumber = Index;\r | |
611 | Found = TRUE;\r | |
612 | FreePool (BootOptionVar);\r | |
613 | break;\r | |
614 | }\r | |
615 | \r | |
616 | return Found;\r | |
617 | }\r | |
618 | \r | |
619 | /**\r | |
620 | Create a legacy boot option.\r | |
621 | \r | |
622 | @param BbsItem The BBS Table entry.\r | |
623 | @param Index Index of the specified entry in BBS table.\r | |
624 | @param BootOrderList The boot order list.\r | |
625 | @param BootOrderListSize The size of boot order list.\r | |
626 | \r | |
627 | @retval EFI_OUT_OF_RESOURCE No enough memory.\r | |
628 | @retval EFI_SUCCESS The function complete successfully.\r | |
629 | @return Other value if the legacy boot option is not created.\r | |
630 | \r | |
631 | **/\r | |
632 | EFI_STATUS\r | |
633 | BdsCreateOneLegacyBootOption (\r | |
634 | IN BBS_TABLE *BbsItem,\r | |
635 | IN UINTN Index,\r | |
636 | IN OUT UINT16 **BootOrderList,\r | |
637 | IN OUT UINTN *BootOrderListSize\r | |
638 | )\r | |
639 | {\r | |
640 | BBS_BBS_DEVICE_PATH BbsDevPathNode;\r | |
641 | EFI_STATUS Status;\r | |
642 | EFI_DEVICE_PATH_PROTOCOL *DevPath;\r | |
643 | \r | |
644 | DevPath = NULL;\r | |
645 | \r | |
646 | //\r | |
647 | // Create device path node.\r | |
648 | //\r | |
649 | BbsDevPathNode.Header.Type = BBS_DEVICE_PATH;\r | |
650 | BbsDevPathNode.Header.SubType = BBS_BBS_DP;\r | |
651 | SetDevicePathNodeLength (&BbsDevPathNode.Header, sizeof (BBS_BBS_DEVICE_PATH));\r | |
652 | BbsDevPathNode.DeviceType = BbsItem->DeviceType;\r | |
653 | CopyMem (&BbsDevPathNode.StatusFlag, &BbsItem->StatusFlags, sizeof (UINT16));\r | |
654 | \r | |
655 | DevPath = AppendDevicePathNode (\r | |
656 | EndDevicePath,\r | |
657 | (EFI_DEVICE_PATH_PROTOCOL *) &BbsDevPathNode\r | |
658 | );\r | |
659 | if (NULL == DevPath) {\r | |
660 | return EFI_OUT_OF_RESOURCES;\r | |
661 | }\r | |
662 | \r | |
663 | Status = BdsCreateLegacyBootOption (\r | |
664 | BbsItem,\r | |
665 | DevPath,\r | |
666 | Index,\r | |
667 | BootOrderList,\r | |
668 | BootOrderListSize\r | |
669 | );\r | |
670 | BbsItem->BootPriority = 0x00;\r | |
671 | \r | |
672 | FreePool (DevPath);\r | |
673 | \r | |
674 | return Status;\r | |
675 | }\r | |
676 | \r | |
677 | /**\r | |
678 | \r | |
679 | Add the legacy boot options from BBS table if they do not exist.\r | |
680 | \r | |
681 | @retval EFI_SUCCESS The boot options are added successfully \r | |
682 | or they are already in boot options.\r | |
683 | \r | |
684 | **/\r | |
685 | EFI_STATUS\r | |
6ba0bc7c | 686 | EFIAPI\r |
5c08e117 | 687 | BdsAddNonExistingLegacyBootOptions (\r |
688 | VOID\r | |
689 | )\r | |
690 | {\r | |
691 | UINT16 *BootOrder;\r | |
692 | UINTN BootOrderSize;\r | |
693 | EFI_STATUS Status;\r | |
694 | UINT16 HddCount;\r | |
695 | UINT16 BbsCount;\r | |
696 | HDD_INFO *LocalHddInfo;\r | |
697 | BBS_TABLE *LocalBbsTable;\r | |
698 | UINT16 BbsIndex;\r | |
699 | EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;\r | |
700 | UINTN Index;\r | |
701 | UINT32 Attribute;\r | |
702 | UINTN OptionNumber;\r | |
703 | BOOLEAN Ret;\r | |
704 | \r | |
705 | BootOrder = NULL;\r | |
706 | HddCount = 0;\r | |
707 | BbsCount = 0;\r | |
708 | LocalHddInfo = NULL;\r | |
709 | LocalBbsTable = NULL;\r | |
710 | \r | |
711 | Status = EfiLibLocateProtocol (&gEfiLegacyBiosProtocolGuid, (VOID **) &LegacyBios);\r | |
712 | if (EFI_ERROR (Status)) {\r | |
713 | return Status;\r | |
714 | }\r | |
715 | \r | |
716 | LegacyBios->GetBbsInfo (\r | |
717 | LegacyBios,\r | |
718 | &HddCount,\r | |
719 | &LocalHddInfo,\r | |
720 | &BbsCount,\r | |
721 | &LocalBbsTable\r | |
722 | );\r | |
723 | \r | |
724 | BootOrder = BdsLibGetVariableAndSize (\r | |
725 | L"BootOrder",\r | |
726 | &gEfiGlobalVariableGuid,\r | |
727 | &BootOrderSize\r | |
728 | );\r | |
729 | if (NULL == BootOrder) {\r | |
730 | BootOrderSize = 0;\r | |
731 | }\r | |
732 | \r | |
733 | for (Index = 0; Index < BbsCount; Index++) {\r | |
734 | if ((LocalBbsTable[Index].BootPriority == BBS_IGNORE_ENTRY) ||\r | |
735 | (LocalBbsTable[Index].BootPriority == BBS_DO_NOT_BOOT_FROM)\r | |
736 | ) {\r | |
737 | continue;\r | |
738 | }\r | |
739 | \r | |
740 | Ret = BdsFindLegacyBootOptionByDevType (\r | |
741 | BootOrder,\r | |
742 | BootOrderSize / sizeof (UINT16),\r | |
743 | LocalBbsTable[Index].DeviceType,\r | |
744 | &Attribute,\r | |
745 | &BbsIndex,\r | |
746 | &OptionNumber\r | |
747 | );\r | |
748 | if (Ret) {\r | |
749 | continue;\r | |
750 | }\r | |
751 | \r | |
752 | //\r | |
753 | // Not found such type of legacy device in boot options or we found but it's disabled\r | |
754 | // so we have to create one and put it to the tail of boot order list\r | |
755 | //\r | |
756 | Status = BdsCreateOneLegacyBootOption (\r | |
757 | &LocalBbsTable[Index],\r | |
758 | Index,\r | |
759 | &BootOrder,\r | |
760 | &BootOrderSize\r | |
761 | );\r | |
762 | if (EFI_ERROR (Status)) {\r | |
763 | break;\r | |
764 | }\r | |
765 | }\r | |
766 | \r | |
767 | if (BootOrderSize > 0) {\r | |
768 | Status = gRT->SetVariable (\r | |
769 | L"BootOrder",\r | |
770 | &gEfiGlobalVariableGuid,\r | |
771 | VAR_FLAG,\r | |
772 | BootOrderSize,\r | |
773 | BootOrder\r | |
774 | );\r | |
775 | } else {\r | |
776 | EfiLibDeleteVariable (L"BootOrder", &gEfiGlobalVariableGuid);\r | |
777 | }\r | |
778 | \r | |
779 | if (BootOrder != NULL) {\r | |
780 | FreePool (BootOrder);\r | |
781 | }\r | |
782 | \r | |
783 | return Status;\r | |
784 | }\r | |
785 | \r | |
786 | /**\r | |
787 | Fill the device order buffer.\r | |
788 | \r | |
789 | @param BbsTable The BBS table.\r | |
790 | @param BbsType The BBS Type.\r | |
791 | @param BbsCount The BBS Count.\r | |
792 | @param Buf device order buffer.\r | |
793 | \r | |
794 | @return The device order buffer.\r | |
795 | \r | |
796 | **/\r | |
797 | UINT16 *\r | |
798 | BdsFillDevOrderBuf (\r | |
799 | IN BBS_TABLE *BbsTable,\r | |
800 | IN BBS_TYPE BbsType,\r | |
801 | IN UINTN BbsCount,\r | |
802 | OUT UINT16 *Buf\r | |
803 | )\r | |
804 | {\r | |
805 | UINTN Index;\r | |
806 | \r | |
807 | for (Index = 0; Index < BbsCount; Index++) {\r | |
808 | if (BbsTable[Index].BootPriority == BBS_IGNORE_ENTRY) {\r | |
809 | continue;\r | |
810 | }\r | |
811 | \r | |
812 | if (BbsTable[Index].DeviceType != BbsType) {\r | |
813 | continue;\r | |
814 | }\r | |
815 | \r | |
816 | *Buf = (UINT16) (Index & 0xFF);\r | |
817 | Buf++;\r | |
818 | }\r | |
819 | \r | |
820 | return Buf;\r | |
821 | }\r | |
822 | \r | |
823 | /**\r | |
824 | Create the device order buffer.\r | |
825 | \r | |
826 | @param BbsTable The BBS table.\r | |
827 | @param BbsCount The BBS Count.\r | |
828 | \r | |
829 | @retval EFI_SUCCES The buffer is created and the EFI variable named \r | |
830 | VAR_LEGACY_DEV_ORDER and EfiLegacyDevOrderGuid is\r | |
831 | set correctly.\r | |
832 | @return Other value if the set of EFI variable fails. Check gRT->SetVariable\r | |
833 | for detailed information.\r | |
834 | \r | |
835 | **/\r | |
836 | EFI_STATUS\r | |
837 | BdsCreateDevOrder (\r | |
838 | IN BBS_TABLE *BbsTable,\r | |
839 | IN UINT16 BbsCount\r | |
840 | )\r | |
841 | {\r | |
842 | UINTN Index;\r | |
843 | UINTN FDCount;\r | |
844 | UINTN HDCount;\r | |
845 | UINTN CDCount;\r | |
846 | UINTN NETCount;\r | |
847 | UINTN BEVCount;\r | |
848 | UINTN TotalSize;\r | |
849 | UINTN HeaderSize;\r | |
850 | UINT8 *DevOrder;\r | |
851 | UINT8 *Ptr;\r | |
852 | EFI_STATUS Status;\r | |
853 | \r | |
854 | FDCount = 0;\r | |
855 | HDCount = 0;\r | |
856 | CDCount = 0;\r | |
857 | NETCount = 0;\r | |
858 | BEVCount = 0;\r | |
859 | TotalSize = 0;\r | |
860 | HeaderSize = sizeof (BBS_TYPE) + sizeof (UINT16);\r | |
861 | DevOrder = NULL;\r | |
862 | Ptr = NULL;\r | |
863 | Status = EFI_SUCCESS;\r | |
864 | \r | |
865 | //\r | |
866 | // Count all boot devices\r | |
867 | //\r | |
868 | for (Index = 0; Index < BbsCount; Index++) {\r | |
869 | if (BbsTable[Index].BootPriority == BBS_IGNORE_ENTRY) {\r | |
870 | continue;\r | |
871 | }\r | |
872 | \r | |
873 | switch (BbsTable[Index].DeviceType) {\r | |
874 | case BBS_FLOPPY:\r | |
875 | FDCount++;\r | |
876 | break;\r | |
877 | \r | |
878 | case BBS_HARDDISK:\r | |
879 | HDCount++;\r | |
880 | break;\r | |
881 | \r | |
882 | case BBS_CDROM:\r | |
883 | CDCount++;\r | |
884 | break;\r | |
885 | \r | |
886 | case BBS_EMBED_NETWORK:\r | |
887 | NETCount++;\r | |
888 | break;\r | |
889 | \r | |
890 | case BBS_BEV_DEVICE:\r | |
891 | BEVCount++;\r | |
892 | break;\r | |
893 | \r | |
894 | default:\r | |
895 | break;\r | |
896 | }\r | |
897 | }\r | |
898 | \r | |
899 | TotalSize += (HeaderSize + sizeof (UINT16) * FDCount);\r | |
900 | TotalSize += (HeaderSize + sizeof (UINT16) * HDCount);\r | |
901 | TotalSize += (HeaderSize + sizeof (UINT16) * CDCount);\r | |
902 | TotalSize += (HeaderSize + sizeof (UINT16) * NETCount);\r | |
903 | TotalSize += (HeaderSize + sizeof (UINT16) * BEVCount);\r | |
904 | \r | |
905 | //\r | |
906 | // Create buffer to hold all boot device order\r | |
907 | //\r | |
908 | DevOrder = AllocateZeroPool (TotalSize);\r | |
909 | if (NULL == DevOrder) {\r | |
910 | return EFI_OUT_OF_RESOURCES;\r | |
911 | }\r | |
912 | \r | |
913 | Ptr = DevOrder;\r | |
914 | \r | |
915 | *((BBS_TYPE *) Ptr) = BBS_FLOPPY;\r | |
916 | Ptr += sizeof (BBS_TYPE);\r | |
917 | *((UINT16 *) Ptr) = (UINT16) (sizeof (UINT16) + FDCount * sizeof (UINT16));\r | |
918 | Ptr += sizeof (UINT16);\r | |
919 | if (FDCount != 0) {\r | |
920 | Ptr = (UINT8 *) BdsFillDevOrderBuf (BbsTable, BBS_FLOPPY, BbsCount, (UINT16 *) Ptr);\r | |
921 | }\r | |
922 | \r | |
923 | *((BBS_TYPE *) Ptr) = BBS_HARDDISK;\r | |
924 | Ptr += sizeof (BBS_TYPE);\r | |
925 | *((UINT16 *) Ptr) = (UINT16) (sizeof (UINT16) + HDCount * sizeof (UINT16));\r | |
926 | Ptr += sizeof (UINT16);\r | |
927 | if (HDCount != 0) {\r | |
928 | Ptr = (UINT8 *) BdsFillDevOrderBuf (BbsTable, BBS_HARDDISK, BbsCount, (UINT16 *) Ptr);\r | |
929 | }\r | |
930 | \r | |
931 | *((BBS_TYPE *) Ptr) = BBS_CDROM;\r | |
932 | Ptr += sizeof (BBS_TYPE);\r | |
933 | *((UINT16 *) Ptr) = (UINT16) (sizeof (UINT16) + CDCount * sizeof (UINT16));\r | |
934 | Ptr += sizeof (UINT16);\r | |
935 | if (CDCount != 0) {\r | |
936 | Ptr = (UINT8 *) BdsFillDevOrderBuf (BbsTable, BBS_CDROM, BbsCount, (UINT16 *) Ptr);\r | |
937 | }\r | |
938 | \r | |
939 | *((BBS_TYPE *) Ptr) = BBS_EMBED_NETWORK;\r | |
940 | Ptr += sizeof (BBS_TYPE);\r | |
941 | *((UINT16 *) Ptr) = (UINT16) (sizeof (UINT16) + NETCount * sizeof (UINT16));\r | |
942 | Ptr += sizeof (UINT16);\r | |
943 | if (NETCount != 0) {\r | |
944 | Ptr = (UINT8 *) BdsFillDevOrderBuf (BbsTable, BBS_EMBED_NETWORK, BbsCount, (UINT16 *) Ptr);\r | |
945 | }\r | |
946 | \r | |
947 | *((BBS_TYPE *) Ptr) = BBS_BEV_DEVICE;\r | |
948 | Ptr += sizeof (BBS_TYPE);\r | |
949 | *((UINT16 *) Ptr) = (UINT16) (sizeof (UINT16) + BEVCount * sizeof (UINT16));\r | |
950 | Ptr += sizeof (UINT16);\r | |
951 | if (BEVCount != 0) {\r | |
952 | Ptr = (UINT8 *) BdsFillDevOrderBuf (BbsTable, BBS_BEV_DEVICE, BbsCount, (UINT16 *) Ptr);\r | |
953 | }\r | |
954 | \r | |
955 | //\r | |
956 | // Save device order for legacy boot device to variable.\r | |
957 | //\r | |
958 | Status = gRT->SetVariable (\r | |
959 | VAR_LEGACY_DEV_ORDER,\r | |
960 | &EfiLegacyDevOrderGuid,\r | |
961 | VAR_FLAG,\r | |
962 | TotalSize,\r | |
963 | DevOrder\r | |
964 | );\r | |
965 | FreePool (DevOrder);\r | |
966 | \r | |
967 | return Status;\r | |
968 | }\r | |
969 | \r | |
970 | /**\r | |
971 | \r | |
972 | Add the legacy boot devices from BBS table into \r | |
973 | the legacy device boot order.\r | |
974 | \r | |
975 | @retval EFI_SUCCESS The boot devices are added successfully.\r | |
976 | \r | |
977 | **/\r | |
978 | EFI_STATUS\r | |
6ba0bc7c | 979 | EFIAPI\r |
5c08e117 | 980 | BdsUpdateLegacyDevOrder (\r |
981 | VOID\r | |
982 | )\r | |
983 | {\r | |
984 | UINT8 *DevOrder;\r | |
985 | UINT8 *NewDevOrder;\r | |
986 | UINTN DevOrderSize;\r | |
987 | EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;\r | |
988 | EFI_STATUS Status;\r | |
989 | UINT16 HddCount;\r | |
990 | UINT16 BbsCount;\r | |
991 | HDD_INFO *LocalHddInfo;\r | |
992 | BBS_TABLE *LocalBbsTable;\r | |
993 | UINTN Index;\r | |
994 | UINTN Index2;\r | |
995 | UINTN *Idx;\r | |
996 | UINTN FDCount;\r | |
997 | UINTN HDCount;\r | |
998 | UINTN CDCount;\r | |
999 | UINTN NETCount;\r | |
1000 | UINTN BEVCount;\r | |
1001 | UINTN TotalSize;\r | |
1002 | UINTN HeaderSize;\r | |
1003 | UINT8 *Ptr;\r | |
1004 | UINT8 *NewPtr;\r | |
1005 | UINT16 *NewFDPtr;\r | |
1006 | UINT16 *NewHDPtr;\r | |
1007 | UINT16 *NewCDPtr;\r | |
1008 | UINT16 *NewNETPtr;\r | |
1009 | UINT16 *NewBEVPtr;\r | |
1010 | UINT16 *NewDevPtr;\r | |
1011 | UINT16 Length;\r | |
1012 | UINT16 Tmp;\r | |
1013 | UINTN FDIndex;\r | |
1014 | UINTN HDIndex;\r | |
1015 | UINTN CDIndex;\r | |
1016 | UINTN NETIndex;\r | |
1017 | UINTN BEVIndex;\r | |
1018 | \r | |
1019 | LocalHddInfo = NULL;\r | |
1020 | LocalBbsTable = NULL;\r | |
1021 | Idx = NULL;\r | |
1022 | FDCount = 0;\r | |
1023 | HDCount = 0;\r | |
1024 | CDCount = 0;\r | |
1025 | NETCount = 0;\r | |
1026 | BEVCount = 0;\r | |
1027 | TotalSize = 0;\r | |
1028 | HeaderSize = sizeof (BBS_TYPE) + sizeof (UINT16);\r | |
1029 | FDIndex = 0;\r | |
1030 | HDIndex = 0;\r | |
1031 | CDIndex = 0;\r | |
1032 | NETIndex = 0;\r | |
1033 | BEVIndex = 0;\r | |
1034 | NewDevPtr = NULL;\r | |
1035 | \r | |
1036 | Status = EfiLibLocateProtocol (&gEfiLegacyBiosProtocolGuid, (VOID **) &LegacyBios);\r | |
1037 | if (EFI_ERROR (Status)) {\r | |
1038 | return Status;\r | |
1039 | }\r | |
1040 | \r | |
1041 | LegacyBios->GetBbsInfo (\r | |
1042 | LegacyBios,\r | |
1043 | &HddCount,\r | |
1044 | &LocalHddInfo,\r | |
1045 | &BbsCount,\r | |
1046 | &LocalBbsTable\r | |
1047 | );\r | |
1048 | \r | |
1049 | DevOrder = (UINT8 *) BdsLibGetVariableAndSize (\r | |
1050 | VAR_LEGACY_DEV_ORDER,\r | |
1051 | &EfiLegacyDevOrderGuid,\r | |
1052 | &DevOrderSize\r | |
1053 | );\r | |
1054 | if (NULL == DevOrder) {\r | |
1055 | return BdsCreateDevOrder (LocalBbsTable, BbsCount);\r | |
1056 | }\r | |
1057 | //\r | |
1058 | // First we figure out how many boot devices with same device type respectively\r | |
1059 | //\r | |
1060 | for (Index = 0; Index < BbsCount; Index++) {\r | |
1061 | if ((LocalBbsTable[Index].BootPriority == BBS_IGNORE_ENTRY) ||\r | |
1062 | (LocalBbsTable[Index].BootPriority == BBS_DO_NOT_BOOT_FROM)\r | |
1063 | ) {\r | |
1064 | continue;\r | |
1065 | }\r | |
1066 | \r | |
1067 | switch (LocalBbsTable[Index].DeviceType) {\r | |
1068 | case BBS_FLOPPY:\r | |
1069 | FDCount++;\r | |
1070 | break;\r | |
1071 | \r | |
1072 | case BBS_HARDDISK:\r | |
1073 | HDCount++;\r | |
1074 | break;\r | |
1075 | \r | |
1076 | case BBS_CDROM:\r | |
1077 | CDCount++;\r | |
1078 | break;\r | |
1079 | \r | |
1080 | case BBS_EMBED_NETWORK:\r | |
1081 | NETCount++;\r | |
1082 | break;\r | |
1083 | \r | |
1084 | case BBS_BEV_DEVICE:\r | |
1085 | BEVCount++;\r | |
1086 | break;\r | |
1087 | \r | |
1088 | default:\r | |
1089 | break;\r | |
1090 | }\r | |
1091 | }\r | |
1092 | \r | |
1093 | TotalSize += (HeaderSize + FDCount * sizeof (UINT16));\r | |
1094 | TotalSize += (HeaderSize + HDCount * sizeof (UINT16));\r | |
1095 | TotalSize += (HeaderSize + CDCount * sizeof (UINT16));\r | |
1096 | TotalSize += (HeaderSize + NETCount * sizeof (UINT16));\r | |
1097 | TotalSize += (HeaderSize + BEVCount * sizeof (UINT16));\r | |
1098 | \r | |
1099 | NewDevOrder = AllocateZeroPool (TotalSize);\r | |
1100 | if (NULL == NewDevOrder) {\r | |
1101 | return EFI_OUT_OF_RESOURCES;\r | |
1102 | }\r | |
1103 | \r | |
1104 | NewFDPtr = (UINT16 *) (NewDevOrder + HeaderSize);\r | |
1105 | NewHDPtr = (UINT16 *) ((UINT8 *) NewFDPtr + FDCount * sizeof (UINT16) + HeaderSize);\r | |
1106 | NewCDPtr = (UINT16 *) ((UINT8 *) NewHDPtr + HDCount * sizeof (UINT16) + HeaderSize);\r | |
1107 | NewNETPtr = (UINT16 *) ((UINT8 *) NewCDPtr + CDCount * sizeof (UINT16) + HeaderSize);\r | |
1108 | NewBEVPtr = (UINT16 *) ((UINT8 *) NewNETPtr + NETCount * sizeof (UINT16) + HeaderSize);\r | |
1109 | \r | |
1110 | //\r | |
1111 | // copy FD\r | |
1112 | //\r | |
1113 | Ptr = DevOrder;\r | |
1114 | NewPtr = NewDevOrder;\r | |
1115 | *((BBS_TYPE *) NewPtr) = *((BBS_TYPE *) Ptr);\r | |
1116 | Ptr += sizeof (BBS_TYPE);\r | |
1117 | NewPtr += sizeof (BBS_TYPE);\r | |
1118 | Length = *((UINT16 *) Ptr);\r | |
1119 | *((UINT16 *) NewPtr) = (UINT16) (sizeof (UINT16) + FDCount * sizeof (UINT16));\r | |
1120 | Ptr += sizeof (UINT16);\r | |
1121 | \r | |
1122 | for (Index = 0; Index < Length / sizeof (UINT16) - 1; Index++) {\r | |
1123 | if (LocalBbsTable[*Ptr].BootPriority == BBS_IGNORE_ENTRY ||\r | |
1124 | LocalBbsTable[*Ptr].BootPriority == BBS_DO_NOT_BOOT_FROM ||\r | |
1125 | LocalBbsTable[*Ptr].DeviceType != BBS_FLOPPY\r | |
1126 | ) {\r | |
1127 | Ptr += sizeof (UINT16);\r | |
1128 | continue;\r | |
1129 | }\r | |
1130 | \r | |
1131 | NewFDPtr[FDIndex] = *(UINT16 *) Ptr;\r | |
1132 | FDIndex++;\r | |
1133 | Ptr += sizeof (UINT16);\r | |
1134 | }\r | |
1135 | //\r | |
1136 | // copy HD\r | |
1137 | //\r | |
1138 | NewPtr = (UINT8 *) NewHDPtr - HeaderSize;\r | |
1139 | *((BBS_TYPE *) NewPtr) = *((BBS_TYPE *) Ptr);\r | |
1140 | Ptr += sizeof (BBS_TYPE);\r | |
1141 | NewPtr += sizeof (BBS_TYPE);\r | |
1142 | Length = *((UINT16 *) Ptr);\r | |
1143 | *((UINT16 *) NewPtr) = (UINT16) (sizeof (UINT16) + HDCount * sizeof (UINT16));\r | |
1144 | Ptr += sizeof (UINT16);\r | |
1145 | \r | |
1146 | for (Index = 0; Index < Length / sizeof (UINT16) - 1; Index++) {\r | |
1147 | if (LocalBbsTable[*Ptr].BootPriority == BBS_IGNORE_ENTRY ||\r | |
1148 | LocalBbsTable[*Ptr].BootPriority == BBS_DO_NOT_BOOT_FROM ||\r | |
1149 | LocalBbsTable[*Ptr].BootPriority == BBS_LOWEST_PRIORITY ||\r | |
1150 | LocalBbsTable[*Ptr].DeviceType != BBS_HARDDISK\r | |
1151 | ) {\r | |
1152 | Ptr += sizeof (UINT16);\r | |
1153 | continue;\r | |
1154 | }\r | |
1155 | \r | |
1156 | NewHDPtr[HDIndex] = *(UINT16 *) Ptr;\r | |
1157 | HDIndex++;\r | |
1158 | Ptr += sizeof (UINT16);\r | |
1159 | }\r | |
1160 | //\r | |
1161 | // copy CD\r | |
1162 | //\r | |
1163 | NewPtr = (UINT8 *) NewCDPtr - HeaderSize;\r | |
1164 | *((BBS_TYPE *) NewPtr) = *((BBS_TYPE *) Ptr);\r | |
1165 | Ptr += sizeof (BBS_TYPE);\r | |
1166 | NewPtr += sizeof (BBS_TYPE);\r | |
1167 | Length = *((UINT16 *) Ptr);\r | |
1168 | *((UINT16 *) NewPtr) = (UINT16) (sizeof (UINT16) + CDCount * sizeof (UINT16));\r | |
1169 | Ptr += sizeof (UINT16);\r | |
1170 | \r | |
1171 | for (Index = 0; Index < Length / sizeof (UINT16) - 1; Index++) {\r | |
1172 | if (LocalBbsTable[*Ptr].BootPriority == BBS_IGNORE_ENTRY ||\r | |
1173 | LocalBbsTable[*Ptr].BootPriority == BBS_DO_NOT_BOOT_FROM ||\r | |
1174 | LocalBbsTable[*Ptr].BootPriority == BBS_LOWEST_PRIORITY ||\r | |
1175 | LocalBbsTable[*Ptr].DeviceType != BBS_CDROM\r | |
1176 | ) {\r | |
1177 | Ptr += sizeof (UINT16);\r | |
1178 | continue;\r | |
1179 | }\r | |
1180 | \r | |
1181 | NewCDPtr[CDIndex] = *(UINT16 *) Ptr;\r | |
1182 | CDIndex++;\r | |
1183 | Ptr += sizeof (UINT16);\r | |
1184 | }\r | |
1185 | //\r | |
1186 | // copy NET\r | |
1187 | //\r | |
1188 | NewPtr = (UINT8 *) NewNETPtr - HeaderSize;\r | |
1189 | *((BBS_TYPE *) NewPtr) = *((BBS_TYPE *) Ptr);\r | |
1190 | Ptr += sizeof (BBS_TYPE);\r | |
1191 | NewPtr += sizeof (BBS_TYPE);\r | |
1192 | Length = *((UINT16 *) Ptr);\r | |
1193 | *((UINT16 *) NewPtr) = (UINT16) (sizeof (UINT16) + NETCount * sizeof (UINT16));\r | |
1194 | Ptr += sizeof (UINT16);\r | |
1195 | \r | |
1196 | for (Index = 0; Index < Length / sizeof (UINT16) - 1; Index++) {\r | |
1197 | if (LocalBbsTable[*Ptr].BootPriority == BBS_IGNORE_ENTRY ||\r | |
1198 | LocalBbsTable[*Ptr].BootPriority == BBS_DO_NOT_BOOT_FROM ||\r | |
1199 | LocalBbsTable[*Ptr].BootPriority == BBS_LOWEST_PRIORITY ||\r | |
1200 | LocalBbsTable[*Ptr].DeviceType != BBS_EMBED_NETWORK\r | |
1201 | ) {\r | |
1202 | Ptr += sizeof (UINT16);\r | |
1203 | continue;\r | |
1204 | }\r | |
1205 | \r | |
1206 | NewNETPtr[NETIndex] = *(UINT16 *) Ptr;\r | |
1207 | NETIndex++;\r | |
1208 | Ptr += sizeof (UINT16);\r | |
1209 | }\r | |
1210 | //\r | |
1211 | // copy BEV\r | |
1212 | //\r | |
1213 | NewPtr = (UINT8 *) NewBEVPtr - HeaderSize;\r | |
1214 | *((BBS_TYPE *) NewPtr) = *((BBS_TYPE *) Ptr);\r | |
1215 | Ptr += sizeof (BBS_TYPE);\r | |
1216 | NewPtr += sizeof (BBS_TYPE);\r | |
1217 | Length = *((UINT16 *) Ptr);\r | |
1218 | *((UINT16 *) NewPtr) = (UINT16) (sizeof (UINT16) + BEVCount * sizeof (UINT16));\r | |
1219 | Ptr += sizeof (UINT16);\r | |
1220 | \r | |
1221 | for (Index = 0; Index < Length / sizeof (UINT16) - 1; Index++) {\r | |
1222 | if (LocalBbsTable[*Ptr].BootPriority == BBS_IGNORE_ENTRY ||\r | |
1223 | LocalBbsTable[*Ptr].BootPriority == BBS_DO_NOT_BOOT_FROM ||\r | |
1224 | LocalBbsTable[*Ptr].BootPriority == BBS_LOWEST_PRIORITY ||\r | |
1225 | LocalBbsTable[*Ptr].DeviceType != BBS_BEV_DEVICE\r | |
1226 | ) {\r | |
1227 | Ptr += sizeof (UINT16);\r | |
1228 | continue;\r | |
1229 | }\r | |
1230 | \r | |
1231 | NewBEVPtr[BEVIndex] = *(UINT16 *) Ptr;\r | |
1232 | BEVIndex++;\r | |
1233 | Ptr += sizeof (UINT16);\r | |
1234 | }\r | |
1235 | \r | |
1236 | for (Index = 0; Index < BbsCount; Index++) {\r | |
1237 | if ((LocalBbsTable[Index].BootPriority == BBS_IGNORE_ENTRY) ||\r | |
1238 | (LocalBbsTable[Index].BootPriority == BBS_DO_NOT_BOOT_FROM)\r | |
1239 | ) {\r | |
1240 | continue;\r | |
1241 | }\r | |
1242 | \r | |
1243 | switch (LocalBbsTable[Index].DeviceType) {\r | |
1244 | case BBS_FLOPPY:\r | |
1245 | Idx = &FDIndex;\r | |
1246 | NewDevPtr = NewFDPtr;\r | |
1247 | break;\r | |
1248 | \r | |
1249 | case BBS_HARDDISK:\r | |
1250 | Idx = &HDIndex;\r | |
1251 | NewDevPtr = NewHDPtr;\r | |
1252 | break;\r | |
1253 | \r | |
1254 | case BBS_CDROM:\r | |
1255 | Idx = &CDIndex;\r | |
1256 | NewDevPtr = NewCDPtr;\r | |
1257 | break;\r | |
1258 | \r | |
1259 | case BBS_EMBED_NETWORK:\r | |
1260 | Idx = &NETIndex;\r | |
1261 | NewDevPtr = NewNETPtr;\r | |
1262 | break;\r | |
1263 | \r | |
1264 | case BBS_BEV_DEVICE:\r | |
1265 | Idx = &BEVIndex;\r | |
1266 | NewDevPtr = NewBEVPtr;\r | |
1267 | break;\r | |
1268 | \r | |
1269 | default:\r | |
1270 | Idx = NULL;\r | |
1271 | break;\r | |
1272 | }\r | |
1273 | //\r | |
1274 | // at this point we have copied those valid indexes to new buffer\r | |
1275 | // and we should check if there is any new appeared boot device\r | |
1276 | //\r | |
1277 | if (Idx != 0) {\r | |
1278 | for (Index2 = 0; Index2 < *Idx; Index2++) {\r | |
1279 | if ((NewDevPtr[Index2] & 0xFF) == (UINT16) Index) {\r | |
1280 | break;\r | |
1281 | }\r | |
1282 | }\r | |
1283 | \r | |
1284 | if (Index2 == *Idx) {\r | |
1285 | //\r | |
1286 | // Index2 == *Idx means we didn't find Index\r | |
1287 | // so Index is a new appeared device's index in BBS table\r | |
1288 | // save it.\r | |
1289 | //\r | |
1290 | NewDevPtr[*Idx] = (UINT16) (Index & 0xFF);\r | |
1291 | (*Idx)++;\r | |
1292 | }\r | |
1293 | }\r | |
1294 | }\r | |
1295 | \r | |
1296 | if (FDCount != 0) {\r | |
1297 | //\r | |
1298 | // Just to make sure that disabled indexes are all at the end of the array\r | |
1299 | //\r | |
1300 | for (Index = 0; Index < FDIndex - 1; Index++) {\r | |
1301 | if (0xFF00 != (NewFDPtr[Index] & 0xFF00)) {\r | |
1302 | continue;\r | |
1303 | }\r | |
1304 | \r | |
1305 | for (Index2 = Index + 1; Index2 < FDIndex; Index2++) {\r | |
1306 | if (0 == (NewFDPtr[Index2] & 0xFF00)) {\r | |
1307 | Tmp = NewFDPtr[Index];\r | |
1308 | NewFDPtr[Index] = NewFDPtr[Index2];\r | |
1309 | NewFDPtr[Index2] = Tmp;\r | |
1310 | break;\r | |
1311 | }\r | |
1312 | }\r | |
1313 | }\r | |
1314 | }\r | |
1315 | \r | |
1316 | if (HDCount != 0) {\r | |
1317 | //\r | |
1318 | // Just to make sure that disabled indexes are all at the end of the array\r | |
1319 | //\r | |
1320 | for (Index = 0; Index < HDIndex - 1; Index++) {\r | |
1321 | if (0xFF00 != (NewHDPtr[Index] & 0xFF00)) {\r | |
1322 | continue;\r | |
1323 | }\r | |
1324 | \r | |
1325 | for (Index2 = Index + 1; Index2 < HDIndex; Index2++) {\r | |
1326 | if (0 == (NewHDPtr[Index2] & 0xFF00)) {\r | |
1327 | Tmp = NewHDPtr[Index];\r | |
1328 | NewHDPtr[Index] = NewHDPtr[Index2];\r | |
1329 | NewHDPtr[Index2] = Tmp;\r | |
1330 | break;\r | |
1331 | }\r | |
1332 | }\r | |
1333 | }\r | |
1334 | }\r | |
1335 | \r | |
1336 | if (CDCount != 0) {\r | |
1337 | //\r | |
1338 | // Just to make sure that disabled indexes are all at the end of the array\r | |
1339 | //\r | |
1340 | for (Index = 0; Index < CDIndex - 1; Index++) {\r | |
1341 | if (0xFF00 != (NewCDPtr[Index] & 0xFF00)) {\r | |
1342 | continue;\r | |
1343 | }\r | |
1344 | \r | |
1345 | for (Index2 = Index + 1; Index2 < CDIndex; Index2++) {\r | |
1346 | if (0 == (NewCDPtr[Index2] & 0xFF00)) {\r | |
1347 | Tmp = NewCDPtr[Index];\r | |
1348 | NewCDPtr[Index] = NewCDPtr[Index2];\r | |
1349 | NewCDPtr[Index2] = Tmp;\r | |
1350 | break;\r | |
1351 | }\r | |
1352 | }\r | |
1353 | }\r | |
1354 | }\r | |
1355 | \r | |
1356 | if (NETCount != 0) {\r | |
1357 | //\r | |
1358 | // Just to make sure that disabled indexes are all at the end of the array\r | |
1359 | //\r | |
1360 | for (Index = 0; Index < NETIndex - 1; Index++) {\r | |
1361 | if (0xFF00 != (NewNETPtr[Index] & 0xFF00)) {\r | |
1362 | continue;\r | |
1363 | }\r | |
1364 | \r | |
1365 | for (Index2 = Index + 1; Index2 < NETIndex; Index2++) {\r | |
1366 | if (0 == (NewNETPtr[Index2] & 0xFF00)) {\r | |
1367 | Tmp = NewNETPtr[Index];\r | |
1368 | NewNETPtr[Index] = NewNETPtr[Index2];\r | |
1369 | NewNETPtr[Index2] = Tmp;\r | |
1370 | break;\r | |
1371 | }\r | |
1372 | }\r | |
1373 | }\r | |
1374 | }\r | |
1375 | \r | |
1376 | if (BEVCount!= 0) {\r | |
1377 | //\r | |
1378 | // Just to make sure that disabled indexes are all at the end of the array\r | |
1379 | //\r | |
1380 | for (Index = 0; Index < BEVIndex - 1; Index++) {\r | |
1381 | if (0xFF00 != (NewBEVPtr[Index] & 0xFF00)) {\r | |
1382 | continue;\r | |
1383 | }\r | |
1384 | \r | |
1385 | for (Index2 = Index + 1; Index2 < BEVIndex; Index2++) {\r | |
1386 | if (0 == (NewBEVPtr[Index2] & 0xFF00)) {\r | |
1387 | Tmp = NewBEVPtr[Index];\r | |
1388 | NewBEVPtr[Index] = NewBEVPtr[Index2];\r | |
1389 | NewBEVPtr[Index2] = Tmp;\r | |
1390 | break;\r | |
1391 | }\r | |
1392 | }\r | |
1393 | }\r | |
1394 | }\r | |
1395 | \r | |
1396 | FreePool (DevOrder);\r | |
1397 | \r | |
1398 | Status = gRT->SetVariable (\r | |
1399 | VAR_LEGACY_DEV_ORDER,\r | |
1400 | &EfiLegacyDevOrderGuid,\r | |
1401 | VAR_FLAG,\r | |
1402 | TotalSize,\r | |
1403 | NewDevOrder\r | |
1404 | );\r | |
1405 | FreePool (NewDevOrder);\r | |
1406 | \r | |
1407 | return Status;\r | |
1408 | }\r | |
1409 | \r | |
1410 | /**\r | |
1411 | Set Boot Priority for specified device type.\r | |
1412 | \r | |
1413 | @param DeviceType The device type.\r | |
1414 | @param LocalBbsTable The BBS table.\r | |
1415 | @param Priority The prority table.\r | |
1416 | \r | |
1417 | @retval EFI_SUCCESS The function completes successfully.\r | |
1418 | @retval EFI_NOT_FOUND Failed to find device.\r | |
1419 | \r | |
1420 | **/\r | |
1421 | EFI_STATUS\r | |
1422 | BdsSetBootPriority4SameTypeDev (\r | |
1423 | IN UINT16 DeviceType,\r | |
1424 | IN OUT BBS_TABLE *LocalBbsTable,\r | |
1425 | IN OUT UINT16 *Priority\r | |
1426 | )\r | |
1427 | {\r | |
1428 | UINT8 *DevOrder;\r | |
1429 | \r | |
1430 | UINT8 *OrigBuffer;\r | |
1431 | UINT16 *DevIndex;\r | |
1432 | UINTN DevOrderSize;\r | |
1433 | UINTN DevCount;\r | |
1434 | UINTN Index;\r | |
1435 | \r | |
1436 | DevOrder = BdsLibGetVariableAndSize (\r | |
1437 | VAR_LEGACY_DEV_ORDER,\r | |
1438 | &EfiLegacyDevOrderGuid,\r | |
1439 | &DevOrderSize\r | |
1440 | );\r | |
1441 | if (NULL == DevOrder) {\r | |
1442 | return EFI_OUT_OF_RESOURCES;\r | |
1443 | }\r | |
1444 | \r | |
1445 | OrigBuffer = DevOrder;\r | |
1446 | while (DevOrder < OrigBuffer + DevOrderSize) {\r | |
1447 | if (DeviceType == * (BBS_TYPE *) DevOrder) {\r | |
1448 | break;\r | |
1449 | }\r | |
1450 | \r | |
1451 | DevOrder += sizeof (BBS_TYPE);\r | |
1452 | DevOrder += *(UINT16 *) DevOrder;\r | |
1453 | }\r | |
1454 | \r | |
1455 | if (DevOrder >= OrigBuffer + DevOrderSize) {\r | |
1456 | FreePool (OrigBuffer);\r | |
1457 | return EFI_NOT_FOUND;\r | |
1458 | }\r | |
1459 | \r | |
1460 | DevOrder += sizeof (BBS_TYPE);\r | |
1461 | DevCount = (*((UINT16 *) DevOrder) - sizeof (UINT16)) / sizeof (UINT16);\r | |
1462 | DevIndex = (UINT16 *) (DevOrder + sizeof (UINT16));\r | |
1463 | //\r | |
1464 | // If the high byte of the DevIndex is 0xFF, it indicates that this device has been disabled.\r | |
1465 | //\r | |
1466 | for (Index = 0; Index < DevCount; Index++) {\r | |
1467 | if ((DevIndex[Index] & 0xFF00) == 0xFF00) {\r | |
1468 | //\r | |
1469 | // LocalBbsTable[DevIndex[Index] & 0xFF].BootPriority = BBS_DISABLED_ENTRY;\r | |
1470 | //\r | |
1471 | } else {\r | |
1472 | LocalBbsTable[DevIndex[Index] & 0xFF].BootPriority = *Priority;\r | |
1473 | (*Priority)++;\r | |
1474 | }\r | |
1475 | }\r | |
1476 | \r | |
1477 | FreePool (OrigBuffer);\r | |
1478 | return EFI_SUCCESS;\r | |
1479 | }\r | |
1480 | \r | |
1481 | /**\r | |
1482 | Print the BBS Table.\r | |
1483 | \r | |
1484 | @param LocalBbsTable The BBS table.\r | |
13078b3f | 1485 | @param BbsCount The count of entry in BBS table.\r |
5c08e117 | 1486 | **/\r |
1487 | VOID\r | |
1488 | PrintBbsTable (\r | |
d7d5db96 | 1489 | IN BBS_TABLE *LocalBbsTable,\r |
1490 | IN UINT16 BbsCount\r | |
5c08e117 | 1491 | )\r |
1492 | {\r | |
1493 | UINT16 Idx;\r | |
1494 | \r | |
1495 | DEBUG ((DEBUG_ERROR, "\n"));\r | |
1496 | DEBUG ((DEBUG_ERROR, " NO Prio bb/dd/ff cl/sc Type Stat segm:offs\n"));\r | |
1497 | DEBUG ((DEBUG_ERROR, "=============================================\n"));\r | |
d7d5db96 | 1498 | for (Idx = 0; Idx < BbsCount; Idx++) {\r |
5c08e117 | 1499 | if ((LocalBbsTable[Idx].BootPriority == BBS_IGNORE_ENTRY) ||\r |
1500 | (LocalBbsTable[Idx].BootPriority == BBS_DO_NOT_BOOT_FROM) ||\r | |
1501 | (LocalBbsTable[Idx].BootPriority == BBS_LOWEST_PRIORITY)\r | |
1502 | ) {\r | |
1503 | continue;\r | |
1504 | }\r | |
1505 | \r | |
1506 | DEBUG (\r | |
1507 | (DEBUG_ERROR,\r | |
1508 | " %02x: %04x %02x/%02x/%02x %02x/%02x %04x %04x %04x:%04x\n",\r | |
1509 | (UINTN) Idx,\r | |
1510 | (UINTN) LocalBbsTable[Idx].BootPriority,\r | |
1511 | (UINTN) LocalBbsTable[Idx].Bus,\r | |
1512 | (UINTN) LocalBbsTable[Idx].Device,\r | |
1513 | (UINTN) LocalBbsTable[Idx].Function,\r | |
1514 | (UINTN) LocalBbsTable[Idx].Class,\r | |
1515 | (UINTN) LocalBbsTable[Idx].SubClass,\r | |
1516 | (UINTN) LocalBbsTable[Idx].DeviceType,\r | |
1517 | (UINTN) * (UINT16 *) &LocalBbsTable[Idx].StatusFlags,\r | |
1518 | (UINTN) LocalBbsTable[Idx].BootHandlerSegment,\r | |
1519 | (UINTN) LocalBbsTable[Idx].BootHandlerOffset,\r | |
1520 | (UINTN) ((LocalBbsTable[Idx].MfgStringSegment << 4) + LocalBbsTable[Idx].MfgStringOffset),\r | |
1521 | (UINTN) ((LocalBbsTable[Idx].DescStringSegment << 4) + LocalBbsTable[Idx].DescStringOffset))\r | |
1522 | );\r | |
1523 | }\r | |
1524 | \r | |
1525 | DEBUG ((DEBUG_ERROR, "\n"));\r | |
1526 | }\r | |
1527 | \r | |
1528 | /**\r | |
1529 | \r | |
1530 | Set the boot priority for BBS entries based on boot option entry and boot order.\r | |
1531 | \r | |
1532 | @param Entry The boot option is to be checked for refresh BBS table.\r | |
1533 | \r | |
1534 | @retval EFI_SUCCESS The boot priority for BBS entries is refreshed successfully.\r | |
1535 | @return status of BdsSetBootPriority4SameTypeDev()\r | |
1536 | **/\r | |
1537 | EFI_STATUS\r | |
6ba0bc7c | 1538 | EFIAPI\r |
5c08e117 | 1539 | BdsRefreshBbsTableForBoot (\r |
1540 | IN BDS_COMMON_OPTION *Entry\r | |
1541 | )\r | |
1542 | {\r | |
1543 | EFI_STATUS Status;\r | |
1544 | UINT16 HddCount;\r | |
1545 | UINT16 BbsCount;\r | |
1546 | HDD_INFO *LocalHddInfo;\r | |
1547 | BBS_TABLE *LocalBbsTable;\r | |
1548 | UINT16 DevType;\r | |
1549 | EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;\r | |
1550 | UINTN Index;\r | |
1551 | UINT16 Priority;\r | |
1552 | UINT16 *BootOrder;\r | |
1553 | UINTN BootOrderSize;\r | |
1554 | UINT8 *BootOptionVar;\r | |
1555 | UINTN BootOptionSize;\r | |
1556 | UINT16 BootOption[100];\r | |
1557 | UINT8 *Ptr;\r | |
1558 | UINT16 DevPathLen;\r | |
1559 | EFI_DEVICE_PATH_PROTOCOL *DevPath;\r | |
1560 | \r | |
1561 | HddCount = 0;\r | |
1562 | BbsCount = 0;\r | |
1563 | LocalHddInfo = NULL;\r | |
1564 | LocalBbsTable = NULL;\r | |
1565 | DevType = BBS_UNKNOWN;\r | |
1566 | \r | |
1567 | Status = EfiLibLocateProtocol (&gEfiLegacyBiosProtocolGuid, (VOID **) &LegacyBios);\r | |
1568 | if (EFI_ERROR (Status)) {\r | |
1569 | return Status;\r | |
1570 | }\r | |
1571 | \r | |
1572 | LegacyBios->GetBbsInfo (\r | |
1573 | LegacyBios,\r | |
1574 | &HddCount,\r | |
1575 | &LocalHddInfo,\r | |
1576 | &BbsCount,\r | |
1577 | &LocalBbsTable\r | |
1578 | );\r | |
1579 | //\r | |
1580 | // First, set all the present devices' boot priority to BBS_UNPRIORITIZED_ENTRY\r | |
1581 | // We will set them according to the settings setup by user\r | |
1582 | //\r | |
1583 | for (Index = 0; Index < BbsCount; Index++) {\r | |
1584 | if (!((BBS_IGNORE_ENTRY == LocalBbsTable[Index].BootPriority) ||\r | |
1585 | (BBS_DO_NOT_BOOT_FROM == LocalBbsTable[Index].BootPriority) ||\r | |
1586 | (BBS_LOWEST_PRIORITY == LocalBbsTable[Index].BootPriority))) {\r | |
1587 | LocalBbsTable[Index].BootPriority = BBS_UNPRIORITIZED_ENTRY;\r | |
1588 | }\r | |
1589 | }\r | |
1590 | //\r | |
1591 | // boot priority always starts at 0\r | |
1592 | //\r | |
1593 | Priority = 0;\r | |
1594 | if (Entry->LoadOptionsSize == sizeof (BBS_TABLE) + sizeof (UINT16)) {\r | |
1595 | //\r | |
1596 | // If Entry stands for a legacy boot option, we prioritize the devices with the same type first.\r | |
1597 | //\r | |
1598 | DevType = ((BBS_TABLE *) Entry->LoadOptions)->DeviceType;\r | |
1599 | Status = BdsSetBootPriority4SameTypeDev (\r | |
1600 | DevType,\r | |
1601 | LocalBbsTable,\r | |
1602 | &Priority\r | |
1603 | );\r | |
1604 | if (EFI_ERROR (Status)) {\r | |
1605 | return Status;\r | |
1606 | }\r | |
1607 | }\r | |
1608 | //\r | |
1609 | // we have to set the boot priority for other BBS entries with different device types\r | |
1610 | //\r | |
1611 | BootOrder = (UINT16 *) BdsLibGetVariableAndSize (\r | |
1612 | L"BootOrder",\r | |
1613 | &gEfiGlobalVariableGuid,\r | |
1614 | &BootOrderSize\r | |
1615 | );\r | |
1616 | for (Index = 0; ((BootOrder != NULL) && (Index < BootOrderSize / sizeof (UINT16))); Index++) {\r | |
1617 | UnicodeSPrint (BootOption, sizeof (BootOption), L"Boot%04x", BootOrder[Index]);\r | |
1618 | BootOptionVar = BdsLibGetVariableAndSize (\r | |
1619 | BootOption,\r | |
1620 | &gEfiGlobalVariableGuid,\r | |
1621 | &BootOptionSize\r | |
1622 | );\r | |
1623 | if (NULL == BootOptionVar) {\r | |
1624 | continue;\r | |
1625 | }\r | |
1626 | \r | |
1627 | Ptr = BootOptionVar;\r | |
1628 | \r | |
1629 | Ptr += sizeof (UINT32);\r | |
1630 | DevPathLen = *(UINT16 *) Ptr;\r | |
1631 | Ptr += sizeof (UINT16);\r | |
1632 | Ptr += StrSize ((UINT16 *) Ptr);\r | |
1633 | DevPath = (EFI_DEVICE_PATH_PROTOCOL *) Ptr;\r | |
1634 | if (BBS_DEVICE_PATH != DevPath->Type || BBS_BBS_DP != DevPath->SubType) {\r | |
1635 | FreePool (BootOptionVar);\r | |
1636 | continue;\r | |
1637 | }\r | |
1638 | \r | |
1639 | Ptr += DevPathLen;\r | |
1640 | if (DevType == ((BBS_TABLE *) Ptr)->DeviceType) {\r | |
1641 | //\r | |
1642 | // We don't want to process twice for a device type\r | |
1643 | //\r | |
1644 | FreePool (BootOptionVar);\r | |
1645 | continue;\r | |
1646 | }\r | |
1647 | \r | |
1648 | Status = BdsSetBootPriority4SameTypeDev (\r | |
1649 | ((BBS_TABLE *) Ptr)->DeviceType,\r | |
1650 | LocalBbsTable,\r | |
1651 | &Priority\r | |
1652 | );\r | |
1653 | FreePool (BootOptionVar);\r | |
1654 | if (EFI_ERROR (Status)) {\r | |
1655 | break;\r | |
1656 | }\r | |
1657 | }\r | |
1658 | \r | |
1659 | if (BootOrder != NULL) {\r | |
1660 | FreePool (BootOrder);\r | |
1661 | }\r | |
1662 | \r | |
1663 | DEBUG_CODE_BEGIN();\r | |
d7d5db96 | 1664 | PrintBbsTable (LocalBbsTable, BbsCount);\r |
5c08e117 | 1665 | DEBUG_CODE_END();\r |
1666 | \r | |
1667 | return Status;\r | |
1668 | }\r |