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fd6a62f3 | 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 | |
93e3992d | 5 | \r |
fd6a62f3 | 6 | Copyright (c) 2004 - 2008, Intel Corporation. <BR>\r |
93e3992d | 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 | |
fd6a62f3 | 15 | **/\r |
93e3992d | 16 | \r |
17 | #include "BBSsupport.h"\r | |
18 | \r | |
b30312ba | 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 | |
744fc758 | 27 | @param AStr Pointer to input Ascii string.\r |
b30312ba | 28 | @param Size The number of characters to translate.\r |
744fc758 | 29 | @param UStr Pointer to output Unicode string buffer.\r |
b30312ba | 30 | \r |
31 | @return None\r | |
32 | \r | |
33 | **/\r | |
93e3992d | 34 | VOID\r |
35 | AsciiToUnicodeSize (\r | |
744fc758 | 36 | IN UINT8 *AStr,\r |
93e3992d | 37 | IN UINTN Size,\r |
744fc758 | 38 | OUT UINT16 *UStr\r |
93e3992d | 39 | )\r |
93e3992d | 40 | {\r |
744fc758 | 41 | UINTN Idx;\r |
93e3992d | 42 | \r |
744fc758 | 43 | Idx = 0;\r |
44 | while (AStr[Idx] != 0) {\r | |
45 | UStr[Idx] = (CHAR16) AStr[Idx];\r | |
46 | if (Idx == Size) {\r | |
93e3992d | 47 | break;\r |
48 | }\r | |
49 | \r | |
744fc758 | 50 | Idx++;\r |
93e3992d | 51 | }\r |
744fc758 | 52 | UStr[Idx] = 0;\r |
93e3992d | 53 | }\r |
54 | \r | |
b30312ba | 55 | /**\r |
93e3992d | 56 | \r |
57 | change a Unicode string t ASCII string\r | |
58 | \r | |
93e3992d | 59 | \r |
b30312ba | 60 | @param UStr Unicode string\r |
61 | Lenght - most possible length of AStr\r | |
62 | @param Length The length of UStr.\r | |
63 | @param AStr ASCII string to pass out\r | |
93e3992d | 64 | \r |
b30312ba | 65 | @return Actual length\r |
93e3992d | 66 | \r |
b30312ba | 67 | **/\r |
68 | UINTN\r | |
69 | UnicodeToAscii (\r | |
70 | IN CHAR16 *UStr,\r | |
71 | IN UINTN Length,\r | |
72 | OUT CHAR8 *AStr\r | |
73 | )\r | |
93e3992d | 74 | {\r |
75 | UINTN Index;\r | |
76 | \r | |
77 | //\r | |
78 | // just buffer copy, not character copy\r | |
79 | //\r | |
80 | for (Index = 0; Index < Length; Index++) {\r | |
81 | *AStr++ = (CHAR8) *UStr++;\r | |
82 | }\r | |
83 | \r | |
84 | return Index;\r | |
85 | }\r | |
86 | \r | |
b30312ba | 87 | /**\r |
744fc758 | 88 | Build Legacy Device Name String according.\r |
b30312ba | 89 | \r |
744fc758 | 90 | @param CurBBSEntry BBS Table.\r |
91 | @param Index Index.\r | |
92 | @param BufSize The buffer size.\r | |
93 | @param BootString The output string.\r | |
b30312ba | 94 | \r |
744fc758 | 95 | @return VOID No output.\r |
b30312ba | 96 | \r |
97 | **/\r | |
93e3992d | 98 | VOID\r |
99 | BdsBuildLegacyDevNameString (\r | |
100 | IN BBS_TABLE *CurBBSEntry,\r | |
101 | IN UINTN Index,\r | |
102 | IN UINTN BufSize,\r | |
103 | OUT CHAR16 *BootString\r | |
104 | )\r | |
105 | {\r | |
106 | CHAR16 *Fmt;\r | |
107 | CHAR16 *Type;\r | |
108 | UINT8 *StringDesc;\r | |
744fc758 | 109 | CHAR16 Temp[80];\r |
93e3992d | 110 | \r |
111 | switch (Index) {\r | |
112 | //\r | |
113 | // Primary Master\r | |
114 | //\r | |
115 | case 1:\r | |
116 | Fmt = L"Primary Master %s";\r | |
117 | break;\r | |
118 | \r | |
119 | //\r | |
120 | // Primary Slave\r | |
121 | //\r | |
122 | case 2:\r | |
123 | Fmt = L"Primary Slave %s";\r | |
124 | break;\r | |
125 | \r | |
126 | //\r | |
127 | // Secondary Master\r | |
128 | //\r | |
129 | case 3:\r | |
130 | Fmt = L"Secondary Master %s";\r | |
131 | break;\r | |
132 | \r | |
133 | //\r | |
134 | // Secondary Slave\r | |
135 | //\r | |
136 | case 4:\r | |
137 | Fmt = L"Secondary Slave %s";\r | |
138 | break;\r | |
139 | \r | |
140 | default:\r | |
141 | Fmt = L"%s";\r | |
142 | break;\r | |
143 | }\r | |
144 | \r | |
145 | switch (CurBBSEntry->DeviceType) {\r | |
146 | case BBS_FLOPPY:\r | |
147 | Type = L"Floppy";\r | |
148 | break;\r | |
149 | \r | |
150 | case BBS_HARDDISK:\r | |
151 | Type = L"Harddisk";\r | |
152 | break;\r | |
153 | \r | |
154 | case BBS_CDROM:\r | |
155 | Type = L"CDROM";\r | |
156 | break;\r | |
157 | \r | |
158 | case BBS_PCMCIA:\r | |
159 | Type = L"PCMCIAe";\r | |
160 | break;\r | |
161 | \r | |
162 | case BBS_USB:\r | |
163 | Type = L"USB";\r | |
164 | break;\r | |
165 | \r | |
166 | case BBS_EMBED_NETWORK:\r | |
167 | Type = L"Network";\r | |
168 | break;\r | |
169 | \r | |
170 | case BBS_BEV_DEVICE:\r | |
171 | Type = L"BEVe";\r | |
172 | break;\r | |
173 | \r | |
174 | case BBS_UNKNOWN:\r | |
175 | default:\r | |
176 | Type = L"Unknown";\r | |
177 | break;\r | |
178 | }\r | |
179 | //\r | |
180 | // If current BBS entry has its description then use it.\r | |
181 | //\r | |
182 | StringDesc = (UINT8 *) (UINTN) ((CurBBSEntry->DescStringSegment << 4) + CurBBSEntry->DescStringOffset);\r | |
183 | if (NULL != StringDesc) {\r | |
184 | //\r | |
185 | // Only get fisrt 32 characters, this is suggested by BBS spec\r | |
186 | //\r | |
744fc758 | 187 | AsciiToUnicodeSize (StringDesc, 32, Temp);\r |
93e3992d | 188 | Fmt = L"%s";\r |
744fc758 | 189 | Type = Temp;\r |
93e3992d | 190 | }\r |
191 | \r | |
192 | //\r | |
193 | // BbsTable 16 entries are for onboard IDE.\r | |
194 | // Set description string for SATA harddisks, Harddisk 0 ~ Harddisk 11\r | |
195 | //\r | |
196 | if (Index >= 5 && Index <= 16 && CurBBSEntry->DeviceType == BBS_HARDDISK) {\r | |
197 | Fmt = L"%s %d";\r | |
198 | UnicodeSPrint (BootString, BufSize, Fmt, Type, Index - 5);\r | |
199 | } else {\r | |
200 | UnicodeSPrint (BootString, BufSize, Fmt, Type);\r | |
201 | }\r | |
202 | }\r | |
203 | \r | |
b30312ba | 204 | /**\r |
205 | \r | |
206 | Create a legacy boot option for the specified entry of\r | |
207 | BBS table, save it as variable, and append it to the boot\r | |
208 | order list.\r | |
209 | \r | |
210 | \r | |
211 | @param CurrentBbsEntry Pointer to current BBS table.\r | |
212 | @param CurrentBbsDevPath Pointer to the Device Path Protocol instance of BBS\r | |
213 | @param Index Index of the specified entry in BBS table.\r | |
214 | @param BootOrderList On input, the original boot order list.\r | |
215 | On output, the new boot order list attached with the\r | |
216 | created node.\r | |
217 | @param BootOrderListSize On input, the original size of boot order list.\r | |
218 | - On output, the size of new boot order list.\r | |
219 | \r | |
220 | @retval EFI_SUCCESS Boot Option successfully created.\r | |
221 | @retval EFI_OUT_OF_RESOURCES Fail to allocate necessary memory.\r | |
222 | @retval Other Error occurs while setting variable.\r | |
223 | \r | |
224 | **/\r | |
93e3992d | 225 | EFI_STATUS\r |
226 | BdsCreateLegacyBootOption (\r | |
227 | IN BBS_TABLE *CurrentBbsEntry,\r | |
228 | IN EFI_DEVICE_PATH_PROTOCOL *CurrentBbsDevPath,\r | |
229 | IN UINTN Index,\r | |
230 | IN OUT UINT16 **BootOrderList,\r | |
231 | IN OUT UINTN *BootOrderListSize\r | |
232 | )\r | |
93e3992d | 233 | {\r |
234 | EFI_STATUS Status;\r | |
235 | UINT16 CurrentBootOptionNo;\r | |
236 | UINT16 BootString[10];\r | |
237 | UINT16 BootDesc[100];\r | |
238 | CHAR8 HelpString[100];\r | |
239 | UINT16 *NewBootOrderList;\r | |
240 | UINTN BufferSize;\r | |
241 | UINTN StringLen;\r | |
242 | VOID *Buffer;\r | |
243 | UINT8 *Ptr;\r | |
244 | UINT16 CurrentBbsDevPathSize;\r | |
245 | UINTN BootOrderIndex;\r | |
246 | UINTN BootOrderLastIndex;\r | |
247 | UINTN ArrayIndex;\r | |
248 | BOOLEAN IndexNotFound;\r | |
249 | BBS_BBS_DEVICE_PATH *NewBbsDevPathNode;\r | |
250 | \r | |
251 | if (NULL == (*BootOrderList)) {\r | |
252 | CurrentBootOptionNo = 0;\r | |
253 | } else {\r | |
254 | for (ArrayIndex = 0; ArrayIndex < (UINTN) (*BootOrderListSize / sizeof (UINT16)); ArrayIndex++) {\r | |
255 | IndexNotFound = TRUE;\r | |
256 | for (BootOrderIndex = 0; BootOrderIndex < (UINTN) (*BootOrderListSize / sizeof (UINT16)); BootOrderIndex++) {\r | |
257 | if ((*BootOrderList)[BootOrderIndex] == ArrayIndex) {\r | |
258 | IndexNotFound = FALSE;\r | |
259 | break;\r | |
260 | }\r | |
261 | }\r | |
262 | \r | |
263 | if (!IndexNotFound) {\r | |
264 | continue;\r | |
265 | } else {\r | |
266 | break;\r | |
267 | }\r | |
268 | }\r | |
269 | \r | |
270 | CurrentBootOptionNo = (UINT16) ArrayIndex;\r | |
271 | }\r | |
272 | \r | |
273 | UnicodeSPrint (\r | |
274 | BootString,\r | |
275 | sizeof (BootString),\r | |
276 | L"Boot%04x",\r | |
277 | CurrentBootOptionNo\r | |
278 | );\r | |
279 | \r | |
280 | BdsBuildLegacyDevNameString (CurrentBbsEntry, Index, sizeof (BootDesc), BootDesc);\r | |
281 | \r | |
282 | //\r | |
283 | // Create new BBS device path node with description string\r | |
284 | //\r | |
285 | UnicodeToAscii (BootDesc, StrSize (BootDesc), HelpString);\r | |
286 | StringLen = AsciiStrLen (HelpString);\r | |
dce655e8 | 287 | NewBbsDevPathNode = AllocateZeroPool (sizeof (BBS_BBS_DEVICE_PATH) + StringLen);\r |
93e3992d | 288 | if (NewBbsDevPathNode == NULL) {\r |
289 | return EFI_OUT_OF_RESOURCES;\r | |
290 | }\r | |
291 | CopyMem (NewBbsDevPathNode, CurrentBbsDevPath, sizeof (BBS_BBS_DEVICE_PATH));\r | |
292 | CopyMem (NewBbsDevPathNode->String, HelpString, StringLen + 1);\r | |
293 | SetDevicePathNodeLength (&(NewBbsDevPathNode->Header), sizeof (BBS_BBS_DEVICE_PATH) + StringLen);\r | |
294 | \r | |
295 | //\r | |
296 | // Create entire new CurrentBbsDevPath with end node\r | |
297 | //\r | |
298 | CurrentBbsDevPath = AppendDevicePathNode (\r | |
299 | EndDevicePath,\r | |
300 | (EFI_DEVICE_PATH_PROTOCOL *) NewBbsDevPathNode\r | |
301 | );\r | |
302 | if (CurrentBbsDevPath == NULL) {\r | |
303 | FreePool (NewBbsDevPathNode);\r | |
304 | return EFI_OUT_OF_RESOURCES;\r | |
305 | }\r | |
306 | \r | |
307 | CurrentBbsDevPathSize = (UINT16) (GetDevicePathSize (CurrentBbsDevPath));\r | |
308 | \r | |
309 | BufferSize = sizeof (UINT32) +\r | |
310 | sizeof (UINT16) +\r | |
311 | StrSize (BootDesc) +\r | |
312 | CurrentBbsDevPathSize +\r | |
313 | sizeof (BBS_TABLE) +\r | |
314 | sizeof (UINT16);\r | |
315 | \r | |
dce655e8 | 316 | Buffer = AllocateZeroPool (BufferSize);\r |
93e3992d | 317 | if (Buffer == NULL) {\r |
318 | FreePool (NewBbsDevPathNode);\r | |
319 | FreePool (CurrentBbsDevPath);\r | |
320 | return EFI_OUT_OF_RESOURCES;\r | |
321 | }\r | |
322 | \r | |
323 | Ptr = (UINT8 *) Buffer;\r | |
324 | \r | |
325 | *((UINT32 *) Ptr) = LOAD_OPTION_ACTIVE;\r | |
326 | Ptr += sizeof (UINT32);\r | |
327 | \r | |
328 | *((UINT16 *) Ptr) = CurrentBbsDevPathSize;\r | |
329 | Ptr += sizeof (UINT16);\r | |
330 | \r | |
331 | CopyMem (\r | |
332 | Ptr,\r | |
333 | BootDesc,\r | |
334 | StrSize (BootDesc)\r | |
335 | );\r | |
336 | Ptr += StrSize (BootDesc);\r | |
337 | \r | |
338 | CopyMem (\r | |
339 | Ptr,\r | |
340 | CurrentBbsDevPath,\r | |
341 | CurrentBbsDevPathSize\r | |
342 | );\r | |
343 | Ptr += CurrentBbsDevPathSize;\r | |
344 | \r | |
345 | CopyMem (\r | |
346 | Ptr,\r | |
347 | CurrentBbsEntry,\r | |
348 | sizeof (BBS_TABLE)\r | |
349 | );\r | |
350 | \r | |
351 | Ptr += sizeof (BBS_TABLE);\r | |
352 | *((UINT16 *) Ptr) = (UINT16) Index;\r | |
353 | \r | |
354 | Status = gRT->SetVariable (\r | |
355 | BootString,\r | |
356 | &gEfiGlobalVariableGuid,\r | |
357 | VAR_FLAG,\r | |
358 | BufferSize,\r | |
359 | Buffer\r | |
360 | );\r | |
361 | \r | |
362 | SafeFreePool (Buffer);\r | |
363 | Buffer = NULL;\r | |
364 | \r | |
dce655e8 | 365 | NewBootOrderList = AllocateZeroPool (*BootOrderListSize + sizeof (UINT16));\r |
93e3992d | 366 | if (NULL == NewBootOrderList) {\r |
367 | FreePool (NewBbsDevPathNode);\r | |
368 | FreePool (CurrentBbsDevPath);\r | |
369 | return EFI_OUT_OF_RESOURCES;\r | |
370 | }\r | |
371 | \r | |
372 | if (NULL != *BootOrderList) {\r | |
373 | CopyMem (NewBootOrderList, *BootOrderList, *BootOrderListSize);\r | |
374 | }\r | |
375 | \r | |
376 | SafeFreePool (*BootOrderList);\r | |
377 | \r | |
378 | BootOrderLastIndex = (UINTN) (*BootOrderListSize / sizeof (UINT16));\r | |
379 | NewBootOrderList[BootOrderLastIndex] = CurrentBootOptionNo;\r | |
380 | *BootOrderListSize += sizeof (UINT16);\r | |
381 | *BootOrderList = NewBootOrderList;\r | |
382 | \r | |
383 | FreePool (NewBbsDevPathNode);\r | |
384 | FreePool (CurrentBbsDevPath);\r | |
385 | return Status;\r | |
386 | }\r | |
387 | \r | |
b30312ba | 388 | /**\r |
744fc758 | 389 | Check if the boot option is a legacy one.\r |
b30312ba | 390 | \r |
744fc758 | 391 | @param BootOptionVar The boot option data payload.\r |
392 | @param BbsEntry The BBS Table.\r | |
393 | @param BbsIndex The table index.\r | |
b30312ba | 394 | \r |
744fc758 | 395 | @retval TRUE It is a legacy boot option.\r |
396 | @retval FALSE It is not a legacy boot option.\r | |
b30312ba | 397 | \r |
398 | **/\r | |
93e3992d | 399 | BOOLEAN\r |
400 | BdsIsLegacyBootOption (\r | |
401 | IN UINT8 *BootOptionVar,\r | |
402 | OUT BBS_TABLE **BbsEntry,\r | |
403 | OUT UINT16 *BbsIndex\r | |
404 | )\r | |
405 | {\r | |
406 | UINT8 *Ptr;\r | |
407 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
408 | BOOLEAN Ret;\r | |
409 | UINT16 DevPathLen;\r | |
410 | \r | |
411 | Ptr = BootOptionVar;\r | |
412 | Ptr += sizeof (UINT32);\r | |
413 | DevPathLen = *(UINT16 *) Ptr;\r | |
414 | Ptr += sizeof (UINT16);\r | |
415 | Ptr += StrSize ((UINT16 *) Ptr);\r | |
416 | DevicePath = (EFI_DEVICE_PATH_PROTOCOL *) Ptr;\r | |
417 | if ((BBS_DEVICE_PATH == DevicePath->Type) && (BBS_BBS_DP == DevicePath->SubType)) {\r | |
418 | Ptr += DevPathLen;\r | |
419 | *BbsEntry = (BBS_TABLE *) Ptr;\r | |
420 | Ptr += sizeof (BBS_TABLE);\r | |
421 | *BbsIndex = *(UINT16 *) Ptr;\r | |
422 | Ret = TRUE;\r | |
423 | } else {\r | |
424 | *BbsEntry = NULL;\r | |
425 | Ret = FALSE;\r | |
426 | }\r | |
427 | \r | |
428 | return Ret;\r | |
429 | }\r | |
430 | \r | |
b30312ba | 431 | /**\r |
744fc758 | 432 | Delete all the invalid legacy boot options.\r |
b30312ba | 433 | \r |
78f64f28 | 434 | \r |
93e3992d | 435 | \r |
78f64f28 LG |
436 | @retval EFI_SUCCESS All invalide legacy boot options are deleted.\r |
437 | @retval EFI_OUT_OF_RESOURCES Fail to allocate necessary memory.\r | |
438 | @retval EFI_NOT_FOUND Fail to retrive variable of boot order.\r | |
b30312ba | 439 | **/\r |
440 | EFI_STATUS\r | |
441 | BdsDeleteAllInvalidLegacyBootOptions (\r | |
442 | VOID\r | |
443 | )\r | |
93e3992d | 444 | {\r |
445 | UINT16 *BootOrder;\r | |
446 | UINT8 *BootOptionVar;\r | |
447 | UINTN BootOrderSize;\r | |
448 | UINTN BootOptionSize;\r | |
449 | EFI_STATUS Status;\r | |
450 | UINT16 HddCount;\r | |
451 | UINT16 BbsCount;\r | |
452 | HDD_INFO *LocalHddInfo;\r | |
453 | BBS_TABLE *LocalBbsTable;\r | |
454 | BBS_TABLE *BbsEntry;\r | |
455 | UINT16 BbsIndex;\r | |
456 | EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;\r | |
457 | UINTN Index;\r | |
458 | UINT16 BootOption[10];\r | |
459 | UINT16 BootDesc[100];\r | |
460 | BOOLEAN DescStringMatch;\r | |
461 | \r | |
462 | Status = EFI_SUCCESS;\r | |
463 | BootOrder = NULL;\r | |
464 | BootOrderSize = 0;\r | |
465 | HddCount = 0;\r | |
466 | BbsCount = 0;\r | |
467 | LocalHddInfo = NULL;\r | |
468 | LocalBbsTable = NULL;\r | |
469 | BbsEntry = NULL;\r | |
470 | \r | |
471 | Status = EfiLibLocateProtocol (&gEfiLegacyBiosProtocolGuid, (VOID **) &LegacyBios);\r | |
472 | if (EFI_ERROR (Status)) {\r | |
473 | return Status;\r | |
474 | }\r | |
475 | \r | |
476 | LegacyBios->GetBbsInfo (\r | |
477 | LegacyBios,\r | |
478 | &HddCount,\r | |
479 | &LocalHddInfo,\r | |
480 | &BbsCount,\r | |
481 | &LocalBbsTable\r | |
482 | );\r | |
483 | \r | |
484 | BootOrder = BdsLibGetVariableAndSize (\r | |
485 | L"BootOrder",\r | |
486 | &gEfiGlobalVariableGuid,\r | |
487 | &BootOrderSize\r | |
488 | );\r | |
489 | if (NULL == BootOrder) {\r | |
490 | return EFI_NOT_FOUND;\r | |
491 | }\r | |
492 | \r | |
493 | Index = 0;\r | |
494 | while (Index < BootOrderSize / sizeof (UINT16)) {\r | |
495 | UnicodeSPrint (BootOption, sizeof (BootOption), L"Boot%04x", BootOrder[Index]);\r | |
496 | BootOptionVar = BdsLibGetVariableAndSize (\r | |
497 | BootOption,\r | |
498 | &gEfiGlobalVariableGuid,\r | |
499 | &BootOptionSize\r | |
500 | );\r | |
501 | if (NULL == BootOptionVar) {\r | |
502 | SafeFreePool (BootOrder);\r | |
503 | return EFI_OUT_OF_RESOURCES;\r | |
504 | }\r | |
505 | \r | |
506 | if (!BdsIsLegacyBootOption (BootOptionVar, &BbsEntry, &BbsIndex)) {\r | |
507 | SafeFreePool (BootOptionVar);\r | |
508 | Index++;\r | |
509 | continue;\r | |
510 | }\r | |
511 | \r | |
512 | //\r | |
513 | // Check if BBS Description String is changed\r | |
514 | //\r | |
515 | DescStringMatch = FALSE;\r | |
516 | \r | |
517 | BdsBuildLegacyDevNameString (\r | |
518 | &LocalBbsTable[BbsIndex],\r | |
519 | BbsIndex,\r | |
520 | sizeof(BootDesc),\r | |
521 | BootDesc\r | |
522 | );\r | |
523 | \r | |
524 | if (StrCmp (BootDesc, (UINT16*)(BootOptionVar + sizeof (UINT32) + sizeof (UINT16))) == 0) {\r | |
525 | DescStringMatch = TRUE;\r | |
526 | }\r | |
527 | \r | |
528 | if (!((LocalBbsTable[BbsIndex].BootPriority == BBS_IGNORE_ENTRY) ||\r | |
529 | (LocalBbsTable[BbsIndex].BootPriority == BBS_DO_NOT_BOOT_FROM)) &&\r | |
530 | (LocalBbsTable[BbsIndex].DeviceType == BbsEntry->DeviceType) &&\r | |
531 | DescStringMatch) {\r | |
532 | Index++;\r | |
533 | continue;\r | |
534 | }\r | |
535 | \r | |
536 | SafeFreePool (BootOptionVar);\r | |
537 | //\r | |
538 | // should delete\r | |
539 | //\r | |
540 | BdsDeleteBootOption (\r | |
541 | BootOrder[Index],\r | |
542 | BootOrder,\r | |
543 | &BootOrderSize\r | |
544 | );\r | |
545 | }\r | |
546 | \r | |
a78b08d1 | 547 | if (BootOrderSize != 0) {\r |
93e3992d | 548 | Status = gRT->SetVariable (\r |
549 | L"BootOrder",\r | |
550 | &gEfiGlobalVariableGuid,\r | |
551 | VAR_FLAG,\r | |
552 | BootOrderSize,\r | |
553 | BootOrder\r | |
554 | );\r | |
555 | } else {\r | |
556 | EfiLibDeleteVariable (L"BootOrder", &gEfiGlobalVariableGuid);\r | |
557 | }\r | |
558 | \r | |
559 | SafeFreePool (BootOrder);\r | |
560 | \r | |
561 | return Status;\r | |
562 | }\r | |
563 | \r | |
b30312ba | 564 | /**\r |
744fc758 | 565 | Find all legacy boot option by device type.\r |
b30312ba | 566 | \r |
744fc758 | 567 | @param BootOrder The boot order array.\r |
568 | @param BootOptionNum The number of boot option.\r | |
569 | @param DevType Device type.\r | |
570 | @param Attribute The boot option attribute.\r | |
571 | @param BbsIndex The BBS table index.\r | |
572 | @param OptionNumber The boot option index.\r | |
b30312ba | 573 | \r |
744fc758 | 574 | @retval TRUE The Legacy boot option is found.\r |
575 | @retval FALSE The legacy boot option is not found.\r | |
b30312ba | 576 | \r |
577 | **/\r | |
93e3992d | 578 | BOOLEAN\r |
579 | BdsFindLegacyBootOptionByDevType (\r | |
580 | IN UINT16 *BootOrder,\r | |
581 | IN UINTN BootOptionNum,\r | |
582 | IN UINT16 DevType,\r | |
583 | OUT UINT32 *Attribute,\r | |
584 | OUT UINT16 *BbsIndex,\r | |
585 | OUT UINTN *OptionNumber\r | |
586 | )\r | |
587 | {\r | |
588 | UINTN Index;\r | |
589 | UINTN BootOrderIndex;\r | |
590 | UINT16 BootOption[100];\r | |
591 | UINTN BootOptionSize;\r | |
592 | UINT8 *BootOptionVar;\r | |
593 | BBS_TABLE *BbsEntry;\r | |
594 | BOOLEAN Found;\r | |
595 | \r | |
596 | BbsEntry = NULL;\r | |
597 | Found = FALSE;\r | |
598 | \r | |
599 | if (NULL == BootOrder) {\r | |
600 | return Found;\r | |
601 | }\r | |
602 | \r | |
603 | for (BootOrderIndex = 0; BootOrderIndex < BootOptionNum; BootOrderIndex++) {\r | |
604 | Index = (UINTN) BootOrder[BootOrderIndex];\r | |
605 | UnicodeSPrint (BootOption, sizeof (BootOption), L"Boot%04x", Index);\r | |
606 | BootOptionVar = BdsLibGetVariableAndSize (\r | |
607 | BootOption,\r | |
608 | &gEfiGlobalVariableGuid,\r | |
609 | &BootOptionSize\r | |
610 | );\r | |
611 | if (NULL == BootOptionVar) {\r | |
612 | continue;\r | |
613 | }\r | |
614 | \r | |
615 | if (!BdsIsLegacyBootOption (BootOptionVar, &BbsEntry, BbsIndex)) {\r | |
616 | SafeFreePool (BootOptionVar);\r | |
617 | continue;\r | |
618 | }\r | |
619 | \r | |
620 | if (BbsEntry->DeviceType != DevType) {\r | |
621 | SafeFreePool (BootOptionVar);\r | |
622 | continue;\r | |
623 | }\r | |
624 | \r | |
625 | *Attribute = *(UINT32 *) BootOptionVar;\r | |
626 | *OptionNumber = Index;\r | |
627 | Found = TRUE;\r | |
628 | SafeFreePool (BootOptionVar);\r | |
629 | break;\r | |
630 | }\r | |
631 | \r | |
632 | return Found;\r | |
633 | }\r | |
634 | \r | |
b30312ba | 635 | /**\r |
744fc758 | 636 | Create a legacy boot option.\r |
b30312ba | 637 | \r |
744fc758 | 638 | @param BbsItem The BBS Table entry.\r |
639 | @param Index Index of the specified entry in BBS table.\r | |
640 | @param BootOrderList The boot order list.\r | |
641 | @param BootOrderListSize The size of boot order list.\r | |
b30312ba | 642 | \r |
744fc758 | 643 | @retval EFI_OUT_OF_RESOURCE No enough memory.\r |
644 | @retval EFI_SUCCESS The function complete successfully.\r | |
645 | @return Other value if the legacy boot option is not created.\r | |
b30312ba | 646 | \r |
647 | **/\r | |
93e3992d | 648 | EFI_STATUS\r |
649 | BdsCreateOneLegacyBootOption (\r | |
650 | IN BBS_TABLE *BbsItem,\r | |
651 | IN UINTN Index,\r | |
652 | IN OUT UINT16 **BootOrderList,\r | |
653 | IN OUT UINTN *BootOrderListSize\r | |
654 | )\r | |
655 | {\r | |
656 | BBS_BBS_DEVICE_PATH BbsDevPathNode;\r | |
657 | EFI_STATUS Status;\r | |
658 | EFI_DEVICE_PATH_PROTOCOL *DevPath;\r | |
659 | \r | |
660 | DevPath = NULL;\r | |
661 | \r | |
662 | BbsDevPathNode.Header.Type = BBS_DEVICE_PATH;\r | |
663 | BbsDevPathNode.Header.SubType = BBS_BBS_DP;\r | |
664 | SetDevicePathNodeLength (&BbsDevPathNode.Header, sizeof (BBS_BBS_DEVICE_PATH));\r | |
665 | BbsDevPathNode.DeviceType = BbsItem->DeviceType;\r | |
666 | CopyMem (&BbsDevPathNode.StatusFlag, &BbsItem->StatusFlags, sizeof (UINT16));\r | |
667 | \r | |
668 | DevPath = AppendDevicePathNode (\r | |
669 | EndDevicePath,\r | |
670 | (EFI_DEVICE_PATH_PROTOCOL *) &BbsDevPathNode\r | |
671 | );\r | |
672 | if (NULL == DevPath) {\r | |
673 | return EFI_OUT_OF_RESOURCES;\r | |
674 | }\r | |
675 | \r | |
676 | Status = BdsCreateLegacyBootOption (\r | |
677 | BbsItem,\r | |
678 | DevPath,\r | |
679 | Index,\r | |
680 | BootOrderList,\r | |
681 | BootOrderListSize\r | |
682 | );\r | |
683 | BbsItem->BootPriority = 0x00;\r | |
684 | \r | |
685 | FreePool (DevPath);\r | |
686 | \r | |
687 | return Status;\r | |
688 | }\r | |
689 | \r | |
b30312ba | 690 | /**\r |
93e3992d | 691 | \r |
692 | Add the legacy boot options from BBS table if they do not exist.\r | |
693 | \r | |
744fc758 | 694 | \r |
695 | \r | |
78f64f28 LG |
696 | @retval EFI_SUCCESS The boot options are added successfully \r |
697 | or they are already in boot options.\r | |
93e3992d | 698 | \r |
b30312ba | 699 | **/\r |
700 | EFI_STATUS\r | |
701 | BdsAddNonExistingLegacyBootOptions (\r | |
702 | VOID\r | |
703 | )\r | |
93e3992d | 704 | {\r |
705 | UINT16 *BootOrder;\r | |
706 | UINTN BootOrderSize;\r | |
707 | EFI_STATUS Status;\r | |
708 | UINT16 HddCount;\r | |
709 | UINT16 BbsCount;\r | |
710 | HDD_INFO *LocalHddInfo;\r | |
711 | BBS_TABLE *LocalBbsTable;\r | |
712 | UINT16 BbsIndex;\r | |
713 | EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;\r | |
714 | UINTN Index;\r | |
715 | UINT32 Attribute;\r | |
716 | UINTN OptionNumber;\r | |
717 | BOOLEAN Ret;\r | |
718 | \r | |
719 | BootOrder = NULL;\r | |
720 | HddCount = 0;\r | |
721 | BbsCount = 0;\r | |
722 | LocalHddInfo = NULL;\r | |
723 | LocalBbsTable = NULL;\r | |
724 | \r | |
725 | Status = EfiLibLocateProtocol (&gEfiLegacyBiosProtocolGuid, (VOID **) &LegacyBios);\r | |
726 | if (EFI_ERROR (Status)) {\r | |
727 | return Status;\r | |
728 | }\r | |
729 | \r | |
730 | LegacyBios->GetBbsInfo (\r | |
731 | LegacyBios,\r | |
732 | &HddCount,\r | |
733 | &LocalHddInfo,\r | |
734 | &BbsCount,\r | |
735 | &LocalBbsTable\r | |
736 | );\r | |
737 | \r | |
738 | BootOrder = BdsLibGetVariableAndSize (\r | |
739 | L"BootOrder",\r | |
740 | &gEfiGlobalVariableGuid,\r | |
741 | &BootOrderSize\r | |
742 | );\r | |
743 | if (NULL == BootOrder) {\r | |
744 | BootOrderSize = 0;\r | |
745 | }\r | |
746 | \r | |
747 | for (Index = 0; Index < BbsCount; Index++) {\r | |
748 | if ((LocalBbsTable[Index].BootPriority == BBS_IGNORE_ENTRY) ||\r | |
749 | (LocalBbsTable[Index].BootPriority == BBS_DO_NOT_BOOT_FROM)\r | |
750 | ) {\r | |
751 | continue;\r | |
752 | }\r | |
753 | \r | |
754 | Ret = BdsFindLegacyBootOptionByDevType (\r | |
755 | BootOrder,\r | |
756 | BootOrderSize / sizeof (UINT16),\r | |
757 | LocalBbsTable[Index].DeviceType,\r | |
758 | &Attribute,\r | |
759 | &BbsIndex,\r | |
760 | &OptionNumber\r | |
761 | );\r | |
762 | if (Ret) {\r | |
763 | continue;\r | |
764 | }\r | |
765 | \r | |
766 | //\r | |
767 | // Not found such type of legacy device in boot options or we found but it's disabled\r | |
768 | // so we have to create one and put it to the tail of boot order list\r | |
769 | //\r | |
770 | Status = BdsCreateOneLegacyBootOption (\r | |
771 | &LocalBbsTable[Index],\r | |
772 | Index,\r | |
773 | &BootOrder,\r | |
774 | &BootOrderSize\r | |
775 | );\r | |
776 | if (EFI_ERROR (Status)) {\r | |
777 | break;\r | |
778 | }\r | |
779 | }\r | |
780 | \r | |
781 | if (BootOrderSize > 0) {\r | |
782 | Status = gRT->SetVariable (\r | |
783 | L"BootOrder",\r | |
784 | &gEfiGlobalVariableGuid,\r | |
785 | VAR_FLAG,\r | |
786 | BootOrderSize,\r | |
787 | BootOrder\r | |
788 | );\r | |
789 | } else {\r | |
790 | EfiLibDeleteVariable (L"BootOrder", &gEfiGlobalVariableGuid);\r | |
791 | }\r | |
792 | \r | |
793 | if (BootOrder != NULL) {\r | |
794 | SafeFreePool (BootOrder);\r | |
795 | }\r | |
796 | \r | |
797 | return Status;\r | |
798 | }\r | |
799 | \r | |
b30312ba | 800 | /**\r |
744fc758 | 801 | Fill the device order buffer.\r |
b30312ba | 802 | \r |
744fc758 | 803 | @param BbsTable The BBS table.\r |
804 | @param BbsType The BBS Type.\r | |
805 | @param BbsCount The BBS Count.\r | |
806 | @param Buf device order buffer.\r | |
b30312ba | 807 | \r |
744fc758 | 808 | @return The device order buffer.\r |
b30312ba | 809 | \r |
810 | **/\r | |
93e3992d | 811 | UINT16 *\r |
812 | BdsFillDevOrderBuf (\r | |
813 | IN BBS_TABLE *BbsTable,\r | |
814 | IN BBS_TYPE BbsType,\r | |
815 | IN UINTN BbsCount,\r | |
744fc758 | 816 | OUT UINT16 *Buf\r |
93e3992d | 817 | )\r |
818 | {\r | |
819 | UINTN Index;\r | |
820 | \r | |
821 | for (Index = 0; Index < BbsCount; Index++) {\r | |
822 | if (BbsTable[Index].BootPriority == BBS_IGNORE_ENTRY) {\r | |
823 | continue;\r | |
824 | }\r | |
825 | \r | |
826 | if (BbsTable[Index].DeviceType != BbsType) {\r | |
827 | continue;\r | |
828 | }\r | |
829 | \r | |
830 | *Buf = (UINT16) (Index & 0xFF);\r | |
831 | Buf++;\r | |
832 | }\r | |
833 | \r | |
834 | return Buf;\r | |
835 | }\r | |
836 | \r | |
b30312ba | 837 | /**\r |
744fc758 | 838 | Create the device order buffer.\r |
b30312ba | 839 | \r |
744fc758 | 840 | @param BbsTable The BBS table.\r |
841 | @param BbsCount The BBS Count.\r | |
b30312ba | 842 | \r |
744fc758 | 843 | @retval EFI_SUCCES The buffer is created and the EFI variable named \r |
844 | VAR_LEGACY_DEV_ORDER and EfiLegacyDevOrderGuid is\r | |
845 | set correctly.\r | |
846 | @return Other value if the set of EFI variable fails. Check gRT->SetVariable\r | |
847 | for detailed information.\r | |
b30312ba | 848 | \r |
849 | **/\r | |
93e3992d | 850 | EFI_STATUS\r |
851 | BdsCreateDevOrder (\r | |
852 | IN BBS_TABLE *BbsTable,\r | |
853 | IN UINT16 BbsCount\r | |
854 | )\r | |
855 | {\r | |
856 | UINTN Index;\r | |
857 | UINTN FDCount;\r | |
858 | UINTN HDCount;\r | |
859 | UINTN CDCount;\r | |
860 | UINTN NETCount;\r | |
861 | UINTN BEVCount;\r | |
862 | UINTN TotalSize;\r | |
863 | UINTN HeaderSize;\r | |
864 | UINT8 *DevOrder;\r | |
865 | UINT8 *Ptr;\r | |
866 | EFI_STATUS Status;\r | |
867 | \r | |
868 | FDCount = 0;\r | |
869 | HDCount = 0;\r | |
870 | CDCount = 0;\r | |
871 | NETCount = 0;\r | |
872 | BEVCount = 0;\r | |
873 | TotalSize = 0;\r | |
874 | HeaderSize = sizeof (BBS_TYPE) + sizeof (UINT16);\r | |
875 | DevOrder = NULL;\r | |
876 | Ptr = NULL;\r | |
877 | Status = EFI_SUCCESS;\r | |
878 | \r | |
879 | for (Index = 0; Index < BbsCount; Index++) {\r | |
880 | if (BbsTable[Index].BootPriority == BBS_IGNORE_ENTRY) {\r | |
881 | continue;\r | |
882 | }\r | |
883 | \r | |
884 | switch (BbsTable[Index].DeviceType) {\r | |
885 | case BBS_FLOPPY:\r | |
886 | FDCount++;\r | |
887 | break;\r | |
888 | \r | |
889 | case BBS_HARDDISK:\r | |
890 | HDCount++;\r | |
891 | break;\r | |
892 | \r | |
893 | case BBS_CDROM:\r | |
894 | CDCount++;\r | |
895 | break;\r | |
896 | \r | |
897 | case BBS_EMBED_NETWORK:\r | |
898 | NETCount++;\r | |
899 | break;\r | |
900 | \r | |
901 | case BBS_BEV_DEVICE:\r | |
902 | BEVCount++;\r | |
903 | break;\r | |
904 | \r | |
905 | default:\r | |
906 | break;\r | |
907 | }\r | |
908 | }\r | |
909 | \r | |
910 | TotalSize += (HeaderSize + sizeof (UINT16) * FDCount);\r | |
911 | TotalSize += (HeaderSize + sizeof (UINT16) * HDCount);\r | |
912 | TotalSize += (HeaderSize + sizeof (UINT16) * CDCount);\r | |
913 | TotalSize += (HeaderSize + sizeof (UINT16) * NETCount);\r | |
914 | TotalSize += (HeaderSize + sizeof (UINT16) * BEVCount);\r | |
915 | \r | |
dce655e8 | 916 | DevOrder = AllocateZeroPool (TotalSize);\r |
93e3992d | 917 | if (NULL == DevOrder) {\r |
918 | return EFI_OUT_OF_RESOURCES;\r | |
919 | }\r | |
920 | \r | |
921 | Ptr = DevOrder;\r | |
922 | \r | |
923 | *((BBS_TYPE *) Ptr) = BBS_FLOPPY;\r | |
924 | Ptr += sizeof (BBS_TYPE);\r | |
925 | *((UINT16 *) Ptr) = (UINT16) (sizeof (UINT16) + FDCount * sizeof (UINT16));\r | |
926 | Ptr += sizeof (UINT16);\r | |
a78b08d1 | 927 | if (FDCount != 0) {\r |
93e3992d | 928 | Ptr = (UINT8 *) BdsFillDevOrderBuf (BbsTable, BBS_FLOPPY, BbsCount, (UINT16 *) Ptr);\r |
929 | }\r | |
930 | \r | |
931 | *((BBS_TYPE *) Ptr) = BBS_HARDDISK;\r | |
932 | Ptr += sizeof (BBS_TYPE);\r | |
933 | *((UINT16 *) Ptr) = (UINT16) (sizeof (UINT16) + HDCount * sizeof (UINT16));\r | |
934 | Ptr += sizeof (UINT16);\r | |
a78b08d1 | 935 | if (HDCount != 0) {\r |
93e3992d | 936 | Ptr = (UINT8 *) BdsFillDevOrderBuf (BbsTable, BBS_HARDDISK, BbsCount, (UINT16 *) Ptr);\r |
937 | }\r | |
938 | \r | |
939 | *((BBS_TYPE *) Ptr) = BBS_CDROM;\r | |
940 | Ptr += sizeof (BBS_TYPE);\r | |
941 | *((UINT16 *) Ptr) = (UINT16) (sizeof (UINT16) + CDCount * sizeof (UINT16));\r | |
942 | Ptr += sizeof (UINT16);\r | |
a78b08d1 | 943 | if (CDCount != 0) {\r |
93e3992d | 944 | Ptr = (UINT8 *) BdsFillDevOrderBuf (BbsTable, BBS_CDROM, BbsCount, (UINT16 *) Ptr);\r |
945 | }\r | |
946 | \r | |
947 | *((BBS_TYPE *) Ptr) = BBS_EMBED_NETWORK;\r | |
948 | Ptr += sizeof (BBS_TYPE);\r | |
949 | *((UINT16 *) Ptr) = (UINT16) (sizeof (UINT16) + NETCount * sizeof (UINT16));\r | |
950 | Ptr += sizeof (UINT16);\r | |
a78b08d1 | 951 | if (NETCount != 0) {\r |
93e3992d | 952 | Ptr = (UINT8 *) BdsFillDevOrderBuf (BbsTable, BBS_EMBED_NETWORK, BbsCount, (UINT16 *) Ptr);\r |
953 | }\r | |
954 | \r | |
955 | *((BBS_TYPE *) Ptr) = BBS_BEV_DEVICE;\r | |
956 | Ptr += sizeof (BBS_TYPE);\r | |
957 | *((UINT16 *) Ptr) = (UINT16) (sizeof (UINT16) + BEVCount * sizeof (UINT16));\r | |
958 | Ptr += sizeof (UINT16);\r | |
a78b08d1 | 959 | if (BEVCount != 0) {\r |
93e3992d | 960 | Ptr = (UINT8 *) BdsFillDevOrderBuf (BbsTable, BBS_BEV_DEVICE, BbsCount, (UINT16 *) Ptr);\r |
961 | }\r | |
962 | \r | |
963 | Status = gRT->SetVariable (\r | |
5f597758 | 964 | VAR_LEGACY_DEV_ORDER,\r |
93e3992d | 965 | &EfiLegacyDevOrderGuid,\r |
966 | VAR_FLAG,\r | |
967 | TotalSize,\r | |
968 | DevOrder\r | |
969 | );\r | |
970 | SafeFreePool (DevOrder);\r | |
971 | \r | |
972 | return Status;\r | |
973 | }\r | |
974 | \r | |
b30312ba | 975 | /**\r |
b30312ba | 976 | \r |
78f64f28 LG |
977 | Add the legacy boot devices from BBS table into \r |
978 | the legacy device boot order.\r | |
b30312ba | 979 | \r |
78f64f28 | 980 | @retval EFI_SUCCESS The boot devices are added successfully.\r |
b30312ba | 981 | \r |
982 | **/\r | |
93e3992d | 983 | EFI_STATUS\r |
984 | BdsUpdateLegacyDevOrder (\r | |
985 | VOID\r | |
986 | )\r | |
93e3992d | 987 | {\r |
988 | UINT8 *DevOrder;\r | |
989 | UINT8 *NewDevOrder;\r | |
990 | UINTN DevOrderSize;\r | |
991 | EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;\r | |
992 | EFI_STATUS Status;\r | |
993 | UINT16 HddCount;\r | |
994 | UINT16 BbsCount;\r | |
995 | HDD_INFO *LocalHddInfo;\r | |
996 | BBS_TABLE *LocalBbsTable;\r | |
997 | UINTN Index;\r | |
998 | UINTN Index2;\r | |
999 | UINTN *Idx;\r | |
1000 | UINTN FDCount;\r | |
1001 | UINTN HDCount;\r | |
1002 | UINTN CDCount;\r | |
1003 | UINTN NETCount;\r | |
1004 | UINTN BEVCount;\r | |
1005 | UINTN TotalSize;\r | |
1006 | UINTN HeaderSize;\r | |
1007 | UINT8 *Ptr;\r | |
1008 | UINT8 *NewPtr;\r | |
1009 | UINT16 *NewFDPtr;\r | |
1010 | UINT16 *NewHDPtr;\r | |
1011 | UINT16 *NewCDPtr;\r | |
1012 | UINT16 *NewNETPtr;\r | |
1013 | UINT16 *NewBEVPtr;\r | |
1014 | UINT16 *NewDevPtr;\r | |
1015 | UINT16 Length;\r | |
744fc758 | 1016 | UINT16 Tmp;\r |
93e3992d | 1017 | UINTN FDIndex;\r |
1018 | UINTN HDIndex;\r | |
1019 | UINTN CDIndex;\r | |
1020 | UINTN NETIndex;\r | |
1021 | UINTN BEVIndex;\r | |
1022 | \r | |
1023 | LocalHddInfo = NULL;\r | |
1024 | LocalBbsTable = NULL;\r | |
1025 | Idx = NULL;\r | |
1026 | FDCount = 0;\r | |
1027 | HDCount = 0;\r | |
1028 | CDCount = 0;\r | |
1029 | NETCount = 0;\r | |
1030 | BEVCount = 0;\r | |
1031 | TotalSize = 0;\r | |
1032 | HeaderSize = sizeof (BBS_TYPE) + sizeof (UINT16);\r | |
1033 | FDIndex = 0;\r | |
1034 | HDIndex = 0;\r | |
1035 | CDIndex = 0;\r | |
1036 | NETIndex = 0;\r | |
1037 | BEVIndex = 0;\r | |
1038 | NewDevPtr = NULL;\r | |
1039 | \r | |
1040 | Status = EfiLibLocateProtocol (&gEfiLegacyBiosProtocolGuid, (VOID **) &LegacyBios);\r | |
1041 | if (EFI_ERROR (Status)) {\r | |
1042 | return Status;\r | |
1043 | }\r | |
1044 | \r | |
1045 | LegacyBios->GetBbsInfo (\r | |
1046 | LegacyBios,\r | |
1047 | &HddCount,\r | |
1048 | &LocalHddInfo,\r | |
1049 | &BbsCount,\r | |
1050 | &LocalBbsTable\r | |
1051 | );\r | |
1052 | \r | |
1053 | DevOrder = (UINT8 *) BdsLibGetVariableAndSize (\r | |
5f597758 | 1054 | VAR_LEGACY_DEV_ORDER,\r |
93e3992d | 1055 | &EfiLegacyDevOrderGuid,\r |
1056 | &DevOrderSize\r | |
1057 | );\r | |
1058 | if (NULL == DevOrder) {\r | |
1059 | return BdsCreateDevOrder (LocalBbsTable, BbsCount);\r | |
1060 | }\r | |
1061 | //\r | |
1062 | // First we figure out how many boot devices with same device type respectively\r | |
1063 | //\r | |
1064 | for (Index = 0; Index < BbsCount; Index++) {\r | |
1065 | if ((LocalBbsTable[Index].BootPriority == BBS_IGNORE_ENTRY) ||\r | |
1066 | (LocalBbsTable[Index].BootPriority == BBS_DO_NOT_BOOT_FROM)\r | |
1067 | ) {\r | |
1068 | continue;\r | |
1069 | }\r | |
1070 | \r | |
1071 | switch (LocalBbsTable[Index].DeviceType) {\r | |
1072 | case BBS_FLOPPY:\r | |
1073 | FDCount++;\r | |
1074 | break;\r | |
1075 | \r | |
1076 | case BBS_HARDDISK:\r | |
1077 | HDCount++;\r | |
1078 | break;\r | |
1079 | \r | |
1080 | case BBS_CDROM:\r | |
1081 | CDCount++;\r | |
1082 | break;\r | |
1083 | \r | |
1084 | case BBS_EMBED_NETWORK:\r | |
1085 | NETCount++;\r | |
1086 | break;\r | |
1087 | \r | |
1088 | case BBS_BEV_DEVICE:\r | |
1089 | BEVCount++;\r | |
1090 | break;\r | |
1091 | \r | |
1092 | default:\r | |
1093 | break;\r | |
1094 | }\r | |
1095 | }\r | |
1096 | \r | |
1097 | TotalSize += (HeaderSize + FDCount * sizeof (UINT16));\r | |
1098 | TotalSize += (HeaderSize + HDCount * sizeof (UINT16));\r | |
1099 | TotalSize += (HeaderSize + CDCount * sizeof (UINT16));\r | |
1100 | TotalSize += (HeaderSize + NETCount * sizeof (UINT16));\r | |
1101 | TotalSize += (HeaderSize + BEVCount * sizeof (UINT16));\r | |
1102 | \r | |
dce655e8 | 1103 | NewDevOrder = AllocateZeroPool (TotalSize);\r |
93e3992d | 1104 | if (NULL == NewDevOrder) {\r |
1105 | return EFI_OUT_OF_RESOURCES;\r | |
1106 | }\r | |
1107 | \r | |
1108 | NewFDPtr = (UINT16 *) (NewDevOrder + HeaderSize);\r | |
1109 | NewHDPtr = (UINT16 *) ((UINT8 *) NewFDPtr + FDCount * sizeof (UINT16) + HeaderSize);\r | |
1110 | NewCDPtr = (UINT16 *) ((UINT8 *) NewHDPtr + HDCount * sizeof (UINT16) + HeaderSize);\r | |
1111 | NewNETPtr = (UINT16 *) ((UINT8 *) NewCDPtr + CDCount * sizeof (UINT16) + HeaderSize);\r | |
1112 | NewBEVPtr = (UINT16 *) ((UINT8 *) NewNETPtr + NETCount * sizeof (UINT16) + HeaderSize);\r | |
1113 | \r | |
1114 | //\r | |
1115 | // copy FD\r | |
1116 | //\r | |
1117 | Ptr = DevOrder;\r | |
1118 | NewPtr = NewDevOrder;\r | |
1119 | *((BBS_TYPE *) NewPtr) = *((BBS_TYPE *) Ptr);\r | |
1120 | Ptr += sizeof (BBS_TYPE);\r | |
1121 | NewPtr += sizeof (BBS_TYPE);\r | |
1122 | Length = *((UINT16 *) Ptr);\r | |
1123 | *((UINT16 *) NewPtr) = (UINT16) (sizeof (UINT16) + FDCount * sizeof (UINT16));\r | |
1124 | Ptr += sizeof (UINT16);\r | |
1125 | \r | |
1126 | for (Index = 0; Index < Length / sizeof (UINT16) - 1; Index++) {\r | |
1127 | if (LocalBbsTable[*Ptr].BootPriority == BBS_IGNORE_ENTRY ||\r | |
1128 | LocalBbsTable[*Ptr].BootPriority == BBS_DO_NOT_BOOT_FROM ||\r | |
1129 | LocalBbsTable[*Ptr].DeviceType != BBS_FLOPPY\r | |
1130 | ) {\r | |
1131 | Ptr += sizeof (UINT16);\r | |
1132 | continue;\r | |
1133 | }\r | |
1134 | \r | |
1135 | NewFDPtr[FDIndex] = *(UINT16 *) Ptr;\r | |
1136 | FDIndex++;\r | |
1137 | Ptr += sizeof (UINT16);\r | |
1138 | }\r | |
1139 | //\r | |
1140 | // copy HD\r | |
1141 | //\r | |
1142 | NewPtr = (UINT8 *) NewHDPtr - HeaderSize;\r | |
1143 | *((BBS_TYPE *) NewPtr) = *((BBS_TYPE *) Ptr);\r | |
1144 | Ptr += sizeof (BBS_TYPE);\r | |
1145 | NewPtr += sizeof (BBS_TYPE);\r | |
1146 | Length = *((UINT16 *) Ptr);\r | |
1147 | *((UINT16 *) NewPtr) = (UINT16) (sizeof (UINT16) + HDCount * sizeof (UINT16));\r | |
1148 | Ptr += sizeof (UINT16);\r | |
1149 | \r | |
1150 | for (Index = 0; Index < Length / sizeof (UINT16) - 1; Index++) {\r | |
1151 | if (LocalBbsTable[*Ptr].BootPriority == BBS_IGNORE_ENTRY ||\r | |
1152 | LocalBbsTable[*Ptr].BootPriority == BBS_DO_NOT_BOOT_FROM ||\r | |
1153 | LocalBbsTable[*Ptr].BootPriority == BBS_LOWEST_PRIORITY ||\r | |
1154 | LocalBbsTable[*Ptr].DeviceType != BBS_HARDDISK\r | |
1155 | ) {\r | |
1156 | Ptr += sizeof (UINT16);\r | |
1157 | continue;\r | |
1158 | }\r | |
1159 | \r | |
1160 | NewHDPtr[HDIndex] = *(UINT16 *) Ptr;\r | |
1161 | HDIndex++;\r | |
1162 | Ptr += sizeof (UINT16);\r | |
1163 | }\r | |
1164 | //\r | |
1165 | // copy CD\r | |
1166 | //\r | |
1167 | NewPtr = (UINT8 *) NewCDPtr - HeaderSize;\r | |
1168 | *((BBS_TYPE *) NewPtr) = *((BBS_TYPE *) Ptr);\r | |
1169 | Ptr += sizeof (BBS_TYPE);\r | |
1170 | NewPtr += sizeof (BBS_TYPE);\r | |
1171 | Length = *((UINT16 *) Ptr);\r | |
1172 | *((UINT16 *) NewPtr) = (UINT16) (sizeof (UINT16) + CDCount * sizeof (UINT16));\r | |
1173 | Ptr += sizeof (UINT16);\r | |
1174 | \r | |
1175 | for (Index = 0; Index < Length / sizeof (UINT16) - 1; Index++) {\r | |
1176 | if (LocalBbsTable[*Ptr].BootPriority == BBS_IGNORE_ENTRY ||\r | |
1177 | LocalBbsTable[*Ptr].BootPriority == BBS_DO_NOT_BOOT_FROM ||\r | |
1178 | LocalBbsTable[*Ptr].BootPriority == BBS_LOWEST_PRIORITY ||\r | |
1179 | LocalBbsTable[*Ptr].DeviceType != BBS_CDROM\r | |
1180 | ) {\r | |
1181 | Ptr += sizeof (UINT16);\r | |
1182 | continue;\r | |
1183 | }\r | |
1184 | \r | |
1185 | NewCDPtr[CDIndex] = *(UINT16 *) Ptr;\r | |
1186 | CDIndex++;\r | |
1187 | Ptr += sizeof (UINT16);\r | |
1188 | }\r | |
1189 | //\r | |
1190 | // copy NET\r | |
1191 | //\r | |
1192 | NewPtr = (UINT8 *) NewNETPtr - HeaderSize;\r | |
1193 | *((BBS_TYPE *) NewPtr) = *((BBS_TYPE *) Ptr);\r | |
1194 | Ptr += sizeof (BBS_TYPE);\r | |
1195 | NewPtr += sizeof (BBS_TYPE);\r | |
1196 | Length = *((UINT16 *) Ptr);\r | |
1197 | *((UINT16 *) NewPtr) = (UINT16) (sizeof (UINT16) + NETCount * sizeof (UINT16));\r | |
1198 | Ptr += sizeof (UINT16);\r | |
1199 | \r | |
1200 | for (Index = 0; Index < Length / sizeof (UINT16) - 1; Index++) {\r | |
1201 | if (LocalBbsTable[*Ptr].BootPriority == BBS_IGNORE_ENTRY ||\r | |
1202 | LocalBbsTable[*Ptr].BootPriority == BBS_DO_NOT_BOOT_FROM ||\r | |
1203 | LocalBbsTable[*Ptr].BootPriority == BBS_LOWEST_PRIORITY ||\r | |
1204 | LocalBbsTable[*Ptr].DeviceType != BBS_EMBED_NETWORK\r | |
1205 | ) {\r | |
1206 | Ptr += sizeof (UINT16);\r | |
1207 | continue;\r | |
1208 | }\r | |
1209 | \r | |
1210 | NewNETPtr[NETIndex] = *(UINT16 *) Ptr;\r | |
1211 | NETIndex++;\r | |
1212 | Ptr += sizeof (UINT16);\r | |
1213 | }\r | |
1214 | //\r | |
1215 | // copy BEV\r | |
1216 | //\r | |
1217 | NewPtr = (UINT8 *) NewBEVPtr - HeaderSize;\r | |
1218 | *((BBS_TYPE *) NewPtr) = *((BBS_TYPE *) Ptr);\r | |
1219 | Ptr += sizeof (BBS_TYPE);\r | |
1220 | NewPtr += sizeof (BBS_TYPE);\r | |
1221 | Length = *((UINT16 *) Ptr);\r | |
1222 | *((UINT16 *) NewPtr) = (UINT16) (sizeof (UINT16) + BEVCount * sizeof (UINT16));\r | |
1223 | Ptr += sizeof (UINT16);\r | |
1224 | \r | |
1225 | for (Index = 0; Index < Length / sizeof (UINT16) - 1; Index++) {\r | |
1226 | if (LocalBbsTable[*Ptr].BootPriority == BBS_IGNORE_ENTRY ||\r | |
1227 | LocalBbsTable[*Ptr].BootPriority == BBS_DO_NOT_BOOT_FROM ||\r | |
1228 | LocalBbsTable[*Ptr].BootPriority == BBS_LOWEST_PRIORITY ||\r | |
1229 | LocalBbsTable[*Ptr].DeviceType != BBS_BEV_DEVICE\r | |
1230 | ) {\r | |
1231 | Ptr += sizeof (UINT16);\r | |
1232 | continue;\r | |
1233 | }\r | |
1234 | \r | |
1235 | NewBEVPtr[BEVIndex] = *(UINT16 *) Ptr;\r | |
1236 | BEVIndex++;\r | |
1237 | Ptr += sizeof (UINT16);\r | |
1238 | }\r | |
1239 | \r | |
1240 | for (Index = 0; Index < BbsCount; Index++) {\r | |
1241 | if ((LocalBbsTable[Index].BootPriority == BBS_IGNORE_ENTRY) ||\r | |
1242 | (LocalBbsTable[Index].BootPriority == BBS_DO_NOT_BOOT_FROM)\r | |
1243 | ) {\r | |
1244 | continue;\r | |
1245 | }\r | |
1246 | \r | |
1247 | switch (LocalBbsTable[Index].DeviceType) {\r | |
1248 | case BBS_FLOPPY:\r | |
1249 | Idx = &FDIndex;\r | |
1250 | NewDevPtr = NewFDPtr;\r | |
1251 | break;\r | |
1252 | \r | |
1253 | case BBS_HARDDISK:\r | |
1254 | Idx = &HDIndex;\r | |
1255 | NewDevPtr = NewHDPtr;\r | |
1256 | break;\r | |
1257 | \r | |
1258 | case BBS_CDROM:\r | |
1259 | Idx = &CDIndex;\r | |
1260 | NewDevPtr = NewCDPtr;\r | |
1261 | break;\r | |
1262 | \r | |
1263 | case BBS_EMBED_NETWORK:\r | |
1264 | Idx = &NETIndex;\r | |
1265 | NewDevPtr = NewNETPtr;\r | |
1266 | break;\r | |
1267 | \r | |
1268 | case BBS_BEV_DEVICE:\r | |
1269 | Idx = &BEVIndex;\r | |
1270 | NewDevPtr = NewBEVPtr;\r | |
1271 | break;\r | |
1272 | \r | |
1273 | default:\r | |
1274 | Idx = NULL;\r | |
1275 | break;\r | |
1276 | }\r | |
1277 | //\r | |
1278 | // at this point we have copied those valid indexes to new buffer\r | |
1279 | // and we should check if there is any new appeared boot device\r | |
1280 | //\r | |
a78b08d1 | 1281 | if (Idx != 0) {\r |
93e3992d | 1282 | for (Index2 = 0; Index2 < *Idx; Index2++) {\r |
1283 | if ((NewDevPtr[Index2] & 0xFF) == (UINT16) Index) {\r | |
1284 | break;\r | |
1285 | }\r | |
1286 | }\r | |
1287 | \r | |
1288 | if (Index2 == *Idx) {\r | |
1289 | //\r | |
1290 | // Index2 == *Idx means we didn't find Index\r | |
1291 | // so Index is a new appeared device's index in BBS table\r | |
1292 | // save it.\r | |
1293 | //\r | |
1294 | NewDevPtr[*Idx] = (UINT16) (Index & 0xFF);\r | |
1295 | (*Idx)++;\r | |
1296 | }\r | |
1297 | }\r | |
1298 | }\r | |
1299 | \r | |
a78b08d1 | 1300 | if (FDCount != 0) {\r |
93e3992d | 1301 | //\r |
1302 | // Just to make sure that disabled indexes are all at the end of the array\r | |
1303 | //\r | |
1304 | for (Index = 0; Index < FDIndex - 1; Index++) {\r | |
1305 | if (0xFF00 != (NewFDPtr[Index] & 0xFF00)) {\r | |
1306 | continue;\r | |
1307 | }\r | |
1308 | \r | |
1309 | for (Index2 = Index + 1; Index2 < FDIndex; Index2++) {\r | |
1310 | if (0 == (NewFDPtr[Index2] & 0xFF00)) {\r | |
744fc758 | 1311 | Tmp = NewFDPtr[Index];\r |
93e3992d | 1312 | NewFDPtr[Index] = NewFDPtr[Index2];\r |
744fc758 | 1313 | NewFDPtr[Index2] = Tmp;\r |
93e3992d | 1314 | break;\r |
1315 | }\r | |
1316 | }\r | |
1317 | }\r | |
1318 | }\r | |
1319 | \r | |
a78b08d1 | 1320 | if (HDCount != 0) {\r |
93e3992d | 1321 | //\r |
1322 | // Just to make sure that disabled indexes are all at the end of the array\r | |
1323 | //\r | |
1324 | for (Index = 0; Index < HDIndex - 1; Index++) {\r | |
1325 | if (0xFF00 != (NewHDPtr[Index] & 0xFF00)) {\r | |
1326 | continue;\r | |
1327 | }\r | |
1328 | \r | |
1329 | for (Index2 = Index + 1; Index2 < HDIndex; Index2++) {\r | |
1330 | if (0 == (NewHDPtr[Index2] & 0xFF00)) {\r | |
744fc758 | 1331 | Tmp = NewHDPtr[Index];\r |
93e3992d | 1332 | NewHDPtr[Index] = NewHDPtr[Index2];\r |
744fc758 | 1333 | NewHDPtr[Index2] = Tmp;\r |
93e3992d | 1334 | break;\r |
1335 | }\r | |
1336 | }\r | |
1337 | }\r | |
1338 | }\r | |
1339 | \r | |
a78b08d1 | 1340 | if (CDCount != 0) {\r |
93e3992d | 1341 | //\r |
1342 | // Just to make sure that disabled indexes are all at the end of the array\r | |
1343 | //\r | |
1344 | for (Index = 0; Index < CDIndex - 1; Index++) {\r | |
1345 | if (0xFF00 != (NewCDPtr[Index] & 0xFF00)) {\r | |
1346 | continue;\r | |
1347 | }\r | |
1348 | \r | |
1349 | for (Index2 = Index + 1; Index2 < CDIndex; Index2++) {\r | |
1350 | if (0 == (NewCDPtr[Index2] & 0xFF00)) {\r | |
744fc758 | 1351 | Tmp = NewCDPtr[Index];\r |
93e3992d | 1352 | NewCDPtr[Index] = NewCDPtr[Index2];\r |
744fc758 | 1353 | NewCDPtr[Index2] = Tmp;\r |
93e3992d | 1354 | break;\r |
1355 | }\r | |
1356 | }\r | |
1357 | }\r | |
1358 | }\r | |
1359 | \r | |
a78b08d1 | 1360 | if (NETCount != 0) {\r |
93e3992d | 1361 | //\r |
1362 | // Just to make sure that disabled indexes are all at the end of the array\r | |
1363 | //\r | |
1364 | for (Index = 0; Index < NETIndex - 1; Index++) {\r | |
1365 | if (0xFF00 != (NewNETPtr[Index] & 0xFF00)) {\r | |
1366 | continue;\r | |
1367 | }\r | |
1368 | \r | |
1369 | for (Index2 = Index + 1; Index2 < NETIndex; Index2++) {\r | |
1370 | if (0 == (NewNETPtr[Index2] & 0xFF00)) {\r | |
744fc758 | 1371 | Tmp = NewNETPtr[Index];\r |
93e3992d | 1372 | NewNETPtr[Index] = NewNETPtr[Index2];\r |
744fc758 | 1373 | NewNETPtr[Index2] = Tmp;\r |
93e3992d | 1374 | break;\r |
1375 | }\r | |
1376 | }\r | |
1377 | }\r | |
1378 | }\r | |
1379 | \r | |
a78b08d1 | 1380 | if (BEVCount!= 0) {\r |
93e3992d | 1381 | //\r |
1382 | // Just to make sure that disabled indexes are all at the end of the array\r | |
1383 | //\r | |
1384 | for (Index = 0; Index < BEVIndex - 1; Index++) {\r | |
1385 | if (0xFF00 != (NewBEVPtr[Index] & 0xFF00)) {\r | |
1386 | continue;\r | |
1387 | }\r | |
1388 | \r | |
1389 | for (Index2 = Index + 1; Index2 < BEVIndex; Index2++) {\r | |
1390 | if (0 == (NewBEVPtr[Index2] & 0xFF00)) {\r | |
744fc758 | 1391 | Tmp = NewBEVPtr[Index];\r |
93e3992d | 1392 | NewBEVPtr[Index] = NewBEVPtr[Index2];\r |
744fc758 | 1393 | NewBEVPtr[Index2] = Tmp;\r |
93e3992d | 1394 | break;\r |
1395 | }\r | |
1396 | }\r | |
1397 | }\r | |
1398 | }\r | |
1399 | \r | |
1400 | SafeFreePool (DevOrder);\r | |
1401 | \r | |
1402 | Status = gRT->SetVariable (\r | |
5f597758 | 1403 | VAR_LEGACY_DEV_ORDER,\r |
93e3992d | 1404 | &EfiLegacyDevOrderGuid,\r |
1405 | VAR_FLAG,\r | |
1406 | TotalSize,\r | |
1407 | NewDevOrder\r | |
1408 | );\r | |
1409 | SafeFreePool (NewDevOrder);\r | |
1410 | \r | |
1411 | return Status;\r | |
1412 | }\r | |
1413 | \r | |
b30312ba | 1414 | /**\r |
744fc758 | 1415 | Set Boot Priority for specified device type.\r |
b30312ba | 1416 | \r |
744fc758 | 1417 | @param DeviceType The device type.\r |
1418 | @param LocalBbsTable The BBS table.\r | |
1419 | @param Priority The prority table.\r | |
b30312ba | 1420 | \r |
744fc758 | 1421 | @retval EFI_SUCCESS The function completes successfully.\r |
1422 | @retval EFI_NOT_FOUND Failed to find device.\r | |
b30312ba | 1423 | \r |
1424 | **/\r | |
93e3992d | 1425 | EFI_STATUS\r |
1426 | BdsSetBootPriority4SameTypeDev (\r | |
1427 | IN UINT16 DeviceType,\r | |
1428 | IN OUT BBS_TABLE *LocalBbsTable,\r | |
1429 | IN OUT UINT16 *Priority\r | |
1430 | )\r | |
93e3992d | 1431 | {\r |
1432 | UINT8 *DevOrder;\r | |
1433 | \r | |
1434 | UINT8 *OrigBuffer;\r | |
1435 | UINT16 *DevIndex;\r | |
1436 | UINTN DevOrderSize;\r | |
1437 | UINTN DevCount;\r | |
1438 | UINTN Index;\r | |
1439 | \r | |
1440 | DevOrder = BdsLibGetVariableAndSize (\r | |
5f597758 | 1441 | VAR_LEGACY_DEV_ORDER,\r |
93e3992d | 1442 | &EfiLegacyDevOrderGuid,\r |
1443 | &DevOrderSize\r | |
1444 | );\r | |
1445 | if (NULL == DevOrder) {\r | |
1446 | return EFI_OUT_OF_RESOURCES;\r | |
1447 | }\r | |
1448 | \r | |
1449 | OrigBuffer = DevOrder;\r | |
1450 | while (DevOrder < OrigBuffer + DevOrderSize) {\r | |
1451 | if (DeviceType == * (BBS_TYPE *) DevOrder) {\r | |
1452 | break;\r | |
1453 | }\r | |
1454 | \r | |
1455 | DevOrder += sizeof (BBS_TYPE);\r | |
1456 | DevOrder += *(UINT16 *) DevOrder;\r | |
1457 | }\r | |
1458 | \r | |
1459 | if (DevOrder >= OrigBuffer + DevOrderSize) {\r | |
1460 | SafeFreePool (OrigBuffer);\r | |
1461 | return EFI_NOT_FOUND;\r | |
1462 | }\r | |
1463 | \r | |
1464 | DevOrder += sizeof (BBS_TYPE);\r | |
1465 | DevCount = (*((UINT16 *) DevOrder) - sizeof (UINT16)) / sizeof (UINT16);\r | |
1466 | DevIndex = (UINT16 *) (DevOrder + sizeof (UINT16));\r | |
1467 | //\r | |
1468 | // If the high byte of the DevIndex is 0xFF, it indicates that this device has been disabled.\r | |
1469 | //\r | |
1470 | for (Index = 0; Index < DevCount; Index++) {\r | |
1471 | if ((DevIndex[Index] & 0xFF00) == 0xFF00) {\r | |
1472 | //\r | |
1473 | // LocalBbsTable[DevIndex[Index] & 0xFF].BootPriority = BBS_DISABLED_ENTRY;\r | |
1474 | //\r | |
1475 | } else {\r | |
1476 | LocalBbsTable[DevIndex[Index] & 0xFF].BootPriority = *Priority;\r | |
1477 | (*Priority)++;\r | |
1478 | }\r | |
1479 | }\r | |
1480 | \r | |
1481 | SafeFreePool (OrigBuffer);\r | |
1482 | return EFI_SUCCESS;\r | |
1483 | }\r | |
1484 | \r | |
b30312ba | 1485 | /**\r |
744fc758 | 1486 | Print the BBS Table.\r |
b30312ba | 1487 | \r |
744fc758 | 1488 | @param LocalBbsTable The BBS table.\r |
b30312ba | 1489 | \r |
1490 | **/\r | |
93e3992d | 1491 | VOID\r |
1492 | PrintBbsTable (\r | |
1493 | IN BBS_TABLE *LocalBbsTable\r | |
1494 | )\r | |
1495 | {\r | |
1496 | UINT16 Idx;\r | |
1497 | \r | |
1498 | DEBUG ((DEBUG_ERROR, "\n"));\r | |
1499 | DEBUG ((DEBUG_ERROR, " NO Prio bb/dd/ff cl/sc Type Stat segm:offs\n"));\r | |
1500 | DEBUG ((DEBUG_ERROR, "=============================================\n"));\r | |
1501 | for (Idx = 0; Idx < MAX_BBS_ENTRIES; Idx++) {\r | |
1502 | if ((LocalBbsTable[Idx].BootPriority == BBS_IGNORE_ENTRY) ||\r | |
1503 | (LocalBbsTable[Idx].BootPriority == BBS_DO_NOT_BOOT_FROM) ||\r | |
1504 | (LocalBbsTable[Idx].BootPriority == BBS_LOWEST_PRIORITY)\r | |
1505 | ) {\r | |
1506 | continue;\r | |
1507 | }\r | |
1508 | \r | |
1509 | DEBUG (\r | |
1510 | (DEBUG_ERROR,\r | |
f26b92e4 | 1511 | " %02x: %04x %02x/%02x/%02x %02x/%02x %04x %04x %04x:%04x\n",\r |
93e3992d | 1512 | (UINTN) Idx,\r |
1513 | (UINTN) LocalBbsTable[Idx].BootPriority,\r | |
1514 | (UINTN) LocalBbsTable[Idx].Bus,\r | |
1515 | (UINTN) LocalBbsTable[Idx].Device,\r | |
1516 | (UINTN) LocalBbsTable[Idx].Function,\r | |
1517 | (UINTN) LocalBbsTable[Idx].Class,\r | |
1518 | (UINTN) LocalBbsTable[Idx].SubClass,\r | |
1519 | (UINTN) LocalBbsTable[Idx].DeviceType,\r | |
1520 | (UINTN) * (UINT16 *) &LocalBbsTable[Idx].StatusFlags,\r | |
1521 | (UINTN) LocalBbsTable[Idx].BootHandlerSegment,\r | |
1522 | (UINTN) LocalBbsTable[Idx].BootHandlerOffset,\r | |
1523 | (UINTN) ((LocalBbsTable[Idx].MfgStringSegment << 4) + LocalBbsTable[Idx].MfgStringOffset),\r | |
1524 | (UINTN) ((LocalBbsTable[Idx].DescStringSegment << 4) + LocalBbsTable[Idx].DescStringOffset))\r | |
1525 | );\r | |
1526 | }\r | |
1527 | \r | |
1528 | DEBUG ((DEBUG_ERROR, "\n"));\r | |
1529 | }\r | |
1530 | \r | |
b30312ba | 1531 | /**\r |
b30312ba | 1532 | \r |
78f64f28 | 1533 | Set the boot priority for BBS entries based on boot option entry and boot order.\r |
b30312ba | 1534 | \r |
78f64f28 LG |
1535 | @param Entry The boot option is to be checked for refresh BBS table.\r |
1536 | \r | |
1537 | @retval EFI_SUCCESS The boot priority for BBS entries is refreshed successfully.\r | |
b30312ba | 1538 | \r |
1539 | **/\r | |
93e3992d | 1540 | EFI_STATUS\r |
1541 | BdsRefreshBbsTableForBoot (\r | |
1542 | IN BDS_COMMON_OPTION *Entry\r | |
1543 | )\r | |
1544 | {\r | |
1545 | EFI_STATUS Status;\r | |
1546 | UINT16 HddCount;\r | |
1547 | UINT16 BbsCount;\r | |
1548 | HDD_INFO *LocalHddInfo;\r | |
1549 | BBS_TABLE *LocalBbsTable;\r | |
1550 | UINT16 DevType;\r | |
1551 | EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;\r | |
1552 | UINTN Index;\r | |
1553 | UINT16 Priority;\r | |
1554 | UINT16 *BootOrder;\r | |
1555 | UINTN BootOrderSize;\r | |
1556 | UINT8 *BootOptionVar;\r | |
1557 | UINTN BootOptionSize;\r | |
1558 | UINT16 BootOption[100];\r | |
1559 | UINT8 *Ptr;\r | |
1560 | UINT16 DevPathLen;\r | |
1561 | EFI_DEVICE_PATH_PROTOCOL *DevPath;\r | |
1562 | \r | |
1563 | HddCount = 0;\r | |
1564 | BbsCount = 0;\r | |
1565 | LocalHddInfo = NULL;\r | |
1566 | LocalBbsTable = NULL;\r | |
1567 | DevType = BBS_UNKNOWN;\r | |
1568 | \r | |
1569 | Status = EfiLibLocateProtocol (&gEfiLegacyBiosProtocolGuid, (VOID **) &LegacyBios);\r | |
1570 | if (EFI_ERROR (Status)) {\r | |
1571 | return Status;\r | |
1572 | }\r | |
1573 | \r | |
1574 | LegacyBios->GetBbsInfo (\r | |
1575 | LegacyBios,\r | |
1576 | &HddCount,\r | |
1577 | &LocalHddInfo,\r | |
1578 | &BbsCount,\r | |
1579 | &LocalBbsTable\r | |
1580 | );\r | |
1581 | //\r | |
1582 | // First, set all the present devices' boot priority to BBS_UNPRIORITIZED_ENTRY\r | |
1583 | // We will set them according to the settings setup by user\r | |
1584 | //\r | |
1585 | for (Index = 0; Index < BbsCount; Index++) {\r | |
1586 | if (!((BBS_IGNORE_ENTRY == LocalBbsTable[Index].BootPriority) ||\r | |
1587 | (BBS_DO_NOT_BOOT_FROM == LocalBbsTable[Index].BootPriority) ||\r | |
1588 | (BBS_LOWEST_PRIORITY == LocalBbsTable[Index].BootPriority))) {\r | |
1589 | LocalBbsTable[Index].BootPriority = BBS_UNPRIORITIZED_ENTRY;\r | |
1590 | }\r | |
1591 | }\r | |
1592 | //\r | |
1593 | // boot priority always starts at 0\r | |
1594 | //\r | |
1595 | Priority = 0;\r | |
1596 | if (Entry->LoadOptionsSize == sizeof (BBS_TABLE) + sizeof (UINT16)) {\r | |
1597 | //\r | |
1598 | // If Entry stands for a legacy boot option, we prioritize the devices with the same type first.\r | |
1599 | //\r | |
1600 | DevType = ((BBS_TABLE *) Entry->LoadOptions)->DeviceType;\r | |
1601 | Status = BdsSetBootPriority4SameTypeDev (\r | |
1602 | DevType,\r | |
1603 | LocalBbsTable,\r | |
1604 | &Priority\r | |
1605 | );\r | |
1606 | if (EFI_ERROR (Status)) {\r | |
1607 | return Status;\r | |
1608 | }\r | |
1609 | }\r | |
1610 | //\r | |
1611 | // we have to set the boot priority for other BBS entries with different device types\r | |
1612 | //\r | |
1613 | BootOrder = (UINT16 *) BdsLibGetVariableAndSize (\r | |
1614 | L"BootOrder",\r | |
1615 | &gEfiGlobalVariableGuid,\r | |
1616 | &BootOrderSize\r | |
1617 | );\r | |
a78b08d1 | 1618 | for (Index = 0; ((BootOrder != NULL) && (Index < BootOrderSize / sizeof (UINT16))); Index++) {\r |
93e3992d | 1619 | UnicodeSPrint (BootOption, sizeof (BootOption), L"Boot%04x", BootOrder[Index]);\r |
1620 | BootOptionVar = BdsLibGetVariableAndSize (\r | |
1621 | BootOption,\r | |
1622 | &gEfiGlobalVariableGuid,\r | |
1623 | &BootOptionSize\r | |
1624 | );\r | |
1625 | if (NULL == BootOptionVar) {\r | |
1626 | continue;\r | |
1627 | }\r | |
1628 | \r | |
1629 | Ptr = BootOptionVar;\r | |
1630 | \r | |
1631 | Ptr += sizeof (UINT32);\r | |
1632 | DevPathLen = *(UINT16 *) Ptr;\r | |
1633 | Ptr += sizeof (UINT16);\r | |
1634 | Ptr += StrSize ((UINT16 *) Ptr);\r | |
1635 | DevPath = (EFI_DEVICE_PATH_PROTOCOL *) Ptr;\r | |
1636 | if (BBS_DEVICE_PATH != DevPath->Type || BBS_BBS_DP != DevPath->SubType) {\r | |
1637 | SafeFreePool (BootOptionVar);\r | |
1638 | continue;\r | |
1639 | }\r | |
1640 | \r | |
1641 | Ptr += DevPathLen;\r | |
1642 | if (DevType == ((BBS_TABLE *) Ptr)->DeviceType) {\r | |
1643 | //\r | |
1644 | // We don't want to process twice for a device type\r | |
1645 | //\r | |
1646 | SafeFreePool (BootOptionVar);\r | |
1647 | continue;\r | |
1648 | }\r | |
1649 | \r | |
1650 | Status = BdsSetBootPriority4SameTypeDev (\r | |
1651 | ((BBS_TABLE *) Ptr)->DeviceType,\r | |
1652 | LocalBbsTable,\r | |
1653 | &Priority\r | |
1654 | );\r | |
1655 | SafeFreePool (BootOptionVar);\r | |
1656 | if (EFI_ERROR (Status)) {\r | |
1657 | break;\r | |
1658 | }\r | |
1659 | }\r | |
1660 | \r | |
a78b08d1 | 1661 | if (BootOrder != NULL) {\r |
93e3992d | 1662 | SafeFreePool (BootOrder);\r |
1663 | }\r | |
1664 | //\r | |
1665 | // For debug\r | |
1666 | //\r | |
1667 | PrintBbsTable (LocalBbsTable);\r | |
1668 | \r | |
1669 | return Status;\r | |
1670 | }\r |