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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 | |
22d1f978 | 6 | Copyright (c) 2004 - 2011, Intel Corporation. All rights reserved.<BR>\r |
180a5a35 | 7 | This program and the accompanying materials\r |
5c08e117 | 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 | |
22d1f978 RN |
19 | BOOT_OPTION_BBS_MAPPING *mBootOptionBbsMapping = NULL;\r |
20 | UINTN mBootOptionBbsMappingCount = 0;\r | |
21 | \r | |
5c08e117 | 22 | /**\r |
23 | \r | |
24 | Translate the first n characters of an Ascii string to\r | |
25 | Unicode characters. The count n is indicated by parameter\r | |
26 | Size. If Size is greater than the length of string, then\r | |
27 | the entire string is translated.\r | |
28 | \r | |
29 | \r | |
30 | @param AStr Pointer to input Ascii string.\r | |
31 | @param Size The number of characters to translate.\r | |
32 | @param UStr Pointer to output Unicode string buffer.\r | |
33 | \r | |
34 | **/\r | |
35 | VOID\r | |
36 | AsciiToUnicodeSize (\r | |
37 | IN UINT8 *AStr,\r | |
38 | IN UINTN Size,\r | |
39 | OUT UINT16 *UStr\r | |
40 | )\r | |
41 | {\r | |
42 | UINTN Idx;\r | |
43 | \r | |
44 | Idx = 0;\r | |
45 | while (AStr[Idx] != 0) {\r | |
46 | UStr[Idx] = (CHAR16) AStr[Idx];\r | |
47 | if (Idx == Size) {\r | |
48 | break;\r | |
49 | }\r | |
50 | \r | |
51 | Idx++;\r | |
52 | }\r | |
53 | UStr[Idx] = 0;\r | |
54 | }\r | |
55 | \r | |
56 | /**\r | |
57 | Build Legacy Device Name String according.\r | |
58 | \r | |
59 | @param CurBBSEntry BBS Table.\r | |
60 | @param Index Index.\r | |
61 | @param BufSize The buffer size.\r | |
62 | @param BootString The output string.\r | |
63 | \r | |
64 | **/\r | |
65 | VOID\r | |
66 | BdsBuildLegacyDevNameString (\r | |
67 | IN BBS_TABLE *CurBBSEntry,\r | |
68 | IN UINTN Index,\r | |
69 | IN UINTN BufSize,\r | |
70 | OUT CHAR16 *BootString\r | |
71 | )\r | |
72 | {\r | |
73 | CHAR16 *Fmt;\r | |
74 | CHAR16 *Type;\r | |
75 | UINT8 *StringDesc;\r | |
76 | CHAR16 Temp[80];\r | |
77 | \r | |
78 | switch (Index) {\r | |
79 | //\r | |
80 | // Primary Master\r | |
81 | //\r | |
82 | case 1:\r | |
83 | Fmt = L"Primary Master %s";\r | |
84 | break;\r | |
85 | \r | |
86 | //\r | |
87 | // Primary Slave\r | |
88 | //\r | |
89 | case 2:\r | |
90 | Fmt = L"Primary Slave %s";\r | |
91 | break;\r | |
92 | \r | |
93 | //\r | |
94 | // Secondary Master\r | |
95 | //\r | |
96 | case 3:\r | |
97 | Fmt = L"Secondary Master %s";\r | |
98 | break;\r | |
99 | \r | |
100 | //\r | |
101 | // Secondary Slave\r | |
102 | //\r | |
103 | case 4:\r | |
104 | Fmt = L"Secondary Slave %s";\r | |
105 | break;\r | |
106 | \r | |
107 | default:\r | |
108 | Fmt = L"%s";\r | |
109 | break;\r | |
110 | }\r | |
111 | \r | |
112 | switch (CurBBSEntry->DeviceType) {\r | |
113 | case BBS_FLOPPY:\r | |
114 | Type = L"Floppy";\r | |
115 | break;\r | |
116 | \r | |
117 | case BBS_HARDDISK:\r | |
118 | Type = L"Harddisk";\r | |
119 | break;\r | |
120 | \r | |
121 | case BBS_CDROM:\r | |
122 | Type = L"CDROM";\r | |
123 | break;\r | |
124 | \r | |
125 | case BBS_PCMCIA:\r | |
126 | Type = L"PCMCIAe";\r | |
127 | break;\r | |
128 | \r | |
129 | case BBS_USB:\r | |
130 | Type = L"USB";\r | |
131 | break;\r | |
132 | \r | |
133 | case BBS_EMBED_NETWORK:\r | |
134 | Type = L"Network";\r | |
135 | break;\r | |
136 | \r | |
137 | case BBS_BEV_DEVICE:\r | |
138 | Type = L"BEVe";\r | |
139 | break;\r | |
140 | \r | |
141 | case BBS_UNKNOWN:\r | |
142 | default:\r | |
143 | Type = L"Unknown";\r | |
144 | break;\r | |
145 | }\r | |
146 | //\r | |
147 | // If current BBS entry has its description then use it.\r | |
148 | //\r | |
149 | StringDesc = (UINT8 *) (UINTN) ((CurBBSEntry->DescStringSegment << 4) + CurBBSEntry->DescStringOffset);\r | |
150 | if (NULL != StringDesc) {\r | |
151 | //\r | |
152 | // Only get fisrt 32 characters, this is suggested by BBS spec\r | |
153 | //\r | |
154 | AsciiToUnicodeSize (StringDesc, 32, Temp);\r | |
155 | Fmt = L"%s";\r | |
156 | Type = Temp;\r | |
157 | }\r | |
158 | \r | |
159 | //\r | |
160 | // BbsTable 16 entries are for onboard IDE.\r | |
161 | // Set description string for SATA harddisks, Harddisk 0 ~ Harddisk 11\r | |
162 | //\r | |
22d1f978 | 163 | if (Index >= 5 && Index <= 16 && (CurBBSEntry->DeviceType == BBS_HARDDISK || CurBBSEntry->DeviceType == BBS_CDROM)) {\r |
5c08e117 | 164 | Fmt = L"%s %d";\r |
165 | UnicodeSPrint (BootString, BufSize, Fmt, Type, Index - 5);\r | |
166 | } else {\r | |
167 | UnicodeSPrint (BootString, BufSize, Fmt, Type);\r | |
168 | }\r | |
169 | }\r | |
170 | \r | |
171 | /**\r | |
172 | \r | |
173 | Create a legacy boot option for the specified entry of\r | |
174 | BBS table, save it as variable, and append it to the boot\r | |
175 | order list.\r | |
176 | \r | |
177 | \r | |
178 | @param CurrentBbsEntry Pointer to current BBS table.\r | |
179 | @param CurrentBbsDevPath Pointer to the Device Path Protocol instance of BBS\r | |
180 | @param Index Index of the specified entry in BBS table.\r | |
181 | @param BootOrderList On input, the original boot order list.\r | |
182 | On output, the new boot order list attached with the\r | |
183 | created node.\r | |
184 | @param BootOrderListSize On input, the original size of boot order list.\r | |
185 | On output, the size of new boot order list.\r | |
186 | \r | |
187 | @retval EFI_SUCCESS Boot Option successfully created.\r | |
188 | @retval EFI_OUT_OF_RESOURCES Fail to allocate necessary memory.\r | |
189 | @retval Other Error occurs while setting variable.\r | |
190 | \r | |
191 | **/\r | |
192 | EFI_STATUS\r | |
193 | BdsCreateLegacyBootOption (\r | |
194 | IN BBS_TABLE *CurrentBbsEntry,\r | |
195 | IN EFI_DEVICE_PATH_PROTOCOL *CurrentBbsDevPath,\r | |
196 | IN UINTN Index,\r | |
197 | IN OUT UINT16 **BootOrderList,\r | |
198 | IN OUT UINTN *BootOrderListSize\r | |
199 | )\r | |
200 | {\r | |
201 | EFI_STATUS Status;\r | |
202 | UINT16 CurrentBootOptionNo;\r | |
203 | UINT16 BootString[10];\r | |
22d1f978 | 204 | CHAR16 BootDesc[100];\r |
5c08e117 | 205 | CHAR8 HelpString[100];\r |
206 | UINT16 *NewBootOrderList;\r | |
207 | UINTN BufferSize;\r | |
208 | UINTN StringLen;\r | |
209 | VOID *Buffer;\r | |
210 | UINT8 *Ptr;\r | |
211 | UINT16 CurrentBbsDevPathSize;\r | |
212 | UINTN BootOrderIndex;\r | |
213 | UINTN BootOrderLastIndex;\r | |
214 | UINTN ArrayIndex;\r | |
215 | BOOLEAN IndexNotFound;\r | |
216 | BBS_BBS_DEVICE_PATH *NewBbsDevPathNode;\r | |
217 | \r | |
218 | if ((*BootOrderList) == NULL) {\r | |
219 | CurrentBootOptionNo = 0;\r | |
220 | } else {\r | |
221 | for (ArrayIndex = 0; ArrayIndex < (UINTN) (*BootOrderListSize / sizeof (UINT16)); ArrayIndex++) {\r | |
222 | IndexNotFound = TRUE;\r | |
223 | for (BootOrderIndex = 0; BootOrderIndex < (UINTN) (*BootOrderListSize / sizeof (UINT16)); BootOrderIndex++) {\r | |
224 | if ((*BootOrderList)[BootOrderIndex] == ArrayIndex) {\r | |
225 | IndexNotFound = FALSE;\r | |
226 | break;\r | |
227 | }\r | |
228 | }\r | |
229 | \r | |
230 | if (!IndexNotFound) {\r | |
231 | continue;\r | |
232 | } else {\r | |
233 | break;\r | |
234 | }\r | |
235 | }\r | |
236 | \r | |
237 | CurrentBootOptionNo = (UINT16) ArrayIndex;\r | |
238 | }\r | |
239 | \r | |
240 | UnicodeSPrint (\r | |
241 | BootString,\r | |
242 | sizeof (BootString),\r | |
243 | L"Boot%04x",\r | |
244 | CurrentBootOptionNo\r | |
245 | );\r | |
246 | \r | |
247 | BdsBuildLegacyDevNameString (CurrentBbsEntry, Index, sizeof (BootDesc), BootDesc);\r | |
248 | \r | |
249 | //\r | |
250 | // Create new BBS device path node with description string\r | |
251 | //\r | |
22d1f978 | 252 | UnicodeStrToAsciiStr (BootDesc, HelpString);\r |
5c08e117 | 253 | \r |
254 | StringLen = AsciiStrLen (HelpString);\r | |
255 | NewBbsDevPathNode = AllocateZeroPool (sizeof (BBS_BBS_DEVICE_PATH) + StringLen);\r | |
256 | if (NewBbsDevPathNode == NULL) {\r | |
257 | return EFI_OUT_OF_RESOURCES;\r | |
258 | }\r | |
259 | CopyMem (NewBbsDevPathNode, CurrentBbsDevPath, sizeof (BBS_BBS_DEVICE_PATH));\r | |
260 | CopyMem (NewBbsDevPathNode->String, HelpString, StringLen + 1);\r | |
261 | SetDevicePathNodeLength (&(NewBbsDevPathNode->Header), sizeof (BBS_BBS_DEVICE_PATH) + StringLen);\r | |
262 | \r | |
263 | //\r | |
264 | // Create entire new CurrentBbsDevPath with end node\r | |
265 | //\r | |
266 | CurrentBbsDevPath = AppendDevicePathNode (\r | |
267 | EndDevicePath,\r | |
268 | (EFI_DEVICE_PATH_PROTOCOL *) NewBbsDevPathNode\r | |
269 | );\r | |
270 | if (CurrentBbsDevPath == NULL) {\r | |
271 | FreePool (NewBbsDevPathNode);\r | |
272 | return EFI_OUT_OF_RESOURCES;\r | |
273 | }\r | |
274 | \r | |
275 | CurrentBbsDevPathSize = (UINT16) (GetDevicePathSize (CurrentBbsDevPath));\r | |
276 | \r | |
277 | BufferSize = sizeof (UINT32) +\r | |
278 | sizeof (UINT16) +\r | |
279 | StrSize (BootDesc) +\r | |
280 | CurrentBbsDevPathSize +\r | |
281 | sizeof (BBS_TABLE) +\r | |
282 | sizeof (UINT16);\r | |
283 | \r | |
284 | Buffer = AllocateZeroPool (BufferSize);\r | |
285 | if (Buffer == NULL) {\r | |
286 | FreePool (NewBbsDevPathNode);\r | |
287 | FreePool (CurrentBbsDevPath);\r | |
288 | return EFI_OUT_OF_RESOURCES;\r | |
289 | }\r | |
290 | \r | |
291 | Ptr = (UINT8 *) Buffer;\r | |
292 | \r | |
293 | *((UINT32 *) Ptr) = LOAD_OPTION_ACTIVE;\r | |
294 | Ptr += sizeof (UINT32);\r | |
295 | \r | |
296 | *((UINT16 *) Ptr) = CurrentBbsDevPathSize;\r | |
297 | Ptr += sizeof (UINT16);\r | |
298 | \r | |
299 | CopyMem (\r | |
300 | Ptr,\r | |
301 | BootDesc,\r | |
302 | StrSize (BootDesc)\r | |
303 | );\r | |
304 | Ptr += StrSize (BootDesc);\r | |
305 | \r | |
306 | CopyMem (\r | |
307 | Ptr,\r | |
308 | CurrentBbsDevPath,\r | |
309 | CurrentBbsDevPathSize\r | |
310 | );\r | |
311 | Ptr += CurrentBbsDevPathSize;\r | |
312 | \r | |
313 | CopyMem (\r | |
314 | Ptr,\r | |
315 | CurrentBbsEntry,\r | |
316 | sizeof (BBS_TABLE)\r | |
317 | );\r | |
318 | \r | |
319 | Ptr += sizeof (BBS_TABLE);\r | |
320 | *((UINT16 *) Ptr) = (UINT16) Index;\r | |
321 | \r | |
322 | Status = gRT->SetVariable (\r | |
323 | BootString,\r | |
324 | &gEfiGlobalVariableGuid,\r | |
325 | VAR_FLAG,\r | |
326 | BufferSize,\r | |
327 | Buffer\r | |
328 | );\r | |
329 | \r | |
330 | FreePool (Buffer);\r | |
331 | \r | |
332 | Buffer = NULL;\r | |
333 | \r | |
334 | NewBootOrderList = AllocateZeroPool (*BootOrderListSize + sizeof (UINT16));\r | |
335 | if (NULL == NewBootOrderList) {\r | |
336 | FreePool (NewBbsDevPathNode);\r | |
337 | FreePool (CurrentBbsDevPath);\r | |
338 | return EFI_OUT_OF_RESOURCES;\r | |
339 | }\r | |
340 | \r | |
341 | if (*BootOrderList != NULL) {\r | |
342 | CopyMem (NewBootOrderList, *BootOrderList, *BootOrderListSize);\r | |
343 | FreePool (*BootOrderList);\r | |
344 | }\r | |
345 | \r | |
346 | BootOrderLastIndex = (UINTN) (*BootOrderListSize / sizeof (UINT16));\r | |
347 | NewBootOrderList[BootOrderLastIndex] = CurrentBootOptionNo;\r | |
348 | *BootOrderListSize += sizeof (UINT16);\r | |
349 | *BootOrderList = NewBootOrderList;\r | |
350 | \r | |
351 | FreePool (NewBbsDevPathNode);\r | |
352 | FreePool (CurrentBbsDevPath);\r | |
353 | return Status;\r | |
354 | }\r | |
355 | \r | |
356 | /**\r | |
357 | Check if the boot option is a legacy one.\r | |
358 | \r | |
359 | @param BootOptionVar The boot option data payload.\r | |
360 | @param BbsEntry The BBS Table.\r | |
361 | @param BbsIndex The table index.\r | |
362 | \r | |
363 | @retval TRUE It is a legacy boot option.\r | |
364 | @retval FALSE It is not a legacy boot option.\r | |
365 | \r | |
366 | **/\r | |
367 | BOOLEAN\r | |
368 | BdsIsLegacyBootOption (\r | |
369 | IN UINT8 *BootOptionVar,\r | |
370 | OUT BBS_TABLE **BbsEntry,\r | |
371 | OUT UINT16 *BbsIndex\r | |
372 | )\r | |
373 | {\r | |
374 | UINT8 *Ptr;\r | |
375 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
376 | BOOLEAN Ret;\r | |
377 | UINT16 DevPathLen;\r | |
378 | \r | |
379 | Ptr = BootOptionVar;\r | |
380 | Ptr += sizeof (UINT32);\r | |
381 | DevPathLen = *(UINT16 *) Ptr;\r | |
382 | Ptr += sizeof (UINT16);\r | |
383 | Ptr += StrSize ((UINT16 *) Ptr);\r | |
384 | DevicePath = (EFI_DEVICE_PATH_PROTOCOL *) Ptr;\r | |
385 | if ((BBS_DEVICE_PATH == DevicePath->Type) && (BBS_BBS_DP == DevicePath->SubType)) {\r | |
386 | Ptr += DevPathLen;\r | |
387 | *BbsEntry = (BBS_TABLE *) Ptr;\r | |
388 | Ptr += sizeof (BBS_TABLE);\r | |
389 | *BbsIndex = *(UINT16 *) Ptr;\r | |
390 | Ret = TRUE;\r | |
391 | } else {\r | |
392 | *BbsEntry = NULL;\r | |
393 | Ret = FALSE;\r | |
394 | }\r | |
395 | \r | |
396 | return Ret;\r | |
397 | }\r | |
398 | \r | |
22d1f978 RN |
399 | /**\r |
400 | Re-order the Boot Option according to the DevOrder.\r | |
401 | \r | |
402 | The routine re-orders the Boot Option in BootOption array according to\r | |
403 | the order specified by DevOrder.\r | |
404 | \r | |
405 | @param BootOption Pointer to buffer containing the Boot Option Numbers\r | |
406 | @param BootOptionCount Count of the Boot Option Numbers\r | |
407 | @param DevOrder Pointer to buffer containing the BBS Index,\r | |
408 | high 8-bit value 0xFF indicating a disabled boot option\r | |
409 | @param DevOrderCount Count of the BBS Index\r | |
410 | @param EnBootOption Pointer to buffer receiving the enabled Boot Option Numbers\r | |
411 | @param EnBootOptionCount Count of the enabled Boot Option Numbers\r | |
412 | @param DisBootOption Pointer to buffer receiving the disabled Boot Option Numbers\r | |
413 | @param DisBootOptionCount Count of the disabled Boot Option Numbers\r | |
414 | **/\r | |
415 | VOID\r | |
416 | OrderLegacyBootOption4SameType (\r | |
417 | UINT16 *BootOption,\r | |
418 | UINTN BootOptionCount,\r | |
419 | UINT16 *DevOrder,\r | |
420 | UINTN DevOrderCount,\r | |
421 | UINT16 *EnBootOption,\r | |
422 | UINTN *EnBootOptionCount,\r | |
423 | UINT16 *DisBootOption,\r | |
424 | UINTN *DisBootOptionCount\r | |
425 | )\r | |
426 | {\r | |
427 | UINTN Index;\r | |
428 | UINTN MappingIndex;\r | |
429 | UINT16 *NewBootOption;\r | |
430 | UINT16 BbsType;\r | |
431 | \r | |
432 | *DisBootOptionCount = 0;\r | |
433 | *EnBootOptionCount = 0;\r | |
434 | BbsType = 0;\r | |
435 | \r | |
436 | //\r | |
437 | // Record the corresponding Boot Option Numbers according to the DevOrder\r | |
438 | // Record the EnBootOption and DisBootOption according to the DevOrder\r | |
439 | //\r | |
440 | NewBootOption = AllocatePool (DevOrderCount * sizeof (UINT16));\r | |
441 | while (DevOrderCount-- != 0) {\r | |
442 | for (Index = 0; Index < mBootOptionBbsMappingCount; Index++) {\r | |
443 | if (mBootOptionBbsMapping[Index].BbsIndex == (DevOrder[DevOrderCount] & 0xFF)) {\r | |
444 | BbsType = mBootOptionBbsMapping[Index].BbsType;\r | |
445 | NewBootOption[DevOrderCount] = mBootOptionBbsMapping[Index].BootOptionNumber;\r | |
446 | \r | |
447 | if ((DevOrder[DevOrderCount] & 0xFF00) == 0xFF00) {\r | |
448 | DisBootOption[*DisBootOptionCount] = NewBootOption[DevOrderCount];\r | |
449 | (*DisBootOptionCount)++;\r | |
450 | } else {\r | |
451 | EnBootOption[*EnBootOptionCount] = NewBootOption[DevOrderCount];\r | |
452 | (*EnBootOptionCount)++;\r | |
453 | }\r | |
454 | break;\r | |
455 | }\r | |
456 | }\r | |
457 | }\r | |
458 | \r | |
459 | for (Index = 0; Index < BootOptionCount; Index++) {\r | |
460 | //\r | |
461 | // Find the start position for the BbsType in BootOption\r | |
462 | //\r | |
463 | for (MappingIndex = 0; MappingIndex < mBootOptionBbsMappingCount; MappingIndex++) {\r | |
464 | if (mBootOptionBbsMapping[MappingIndex].BbsType == BbsType && mBootOptionBbsMapping[MappingIndex].BootOptionNumber == BootOption[Index]) {\r | |
465 | break;\r | |
466 | }\r | |
467 | }\r | |
468 | \r | |
469 | //\r | |
470 | // Overwrite the old BootOption\r | |
471 | //\r | |
472 | if (MappingIndex < mBootOptionBbsMappingCount) {\r | |
473 | CopyMem (&BootOption[Index], NewBootOption, (*DisBootOptionCount + *EnBootOptionCount) * sizeof (UINT16));\r | |
474 | break;\r | |
475 | }\r | |
476 | }\r | |
477 | }\r | |
478 | \r | |
479 | /**\r | |
480 | Group the legacy boot options in the BootOption.\r | |
481 | \r | |
482 | The routine assumes the boot options in the beginning that covers all the device \r | |
483 | types are ordered properly and re-position the following boot options just after\r | |
484 | the corresponding boot options with the same device type.\r | |
485 | For example:\r | |
486 | 1. Input = [Harddisk1 CdRom2 Efi1 Harddisk0 CdRom0 CdRom1 Harddisk2 Efi0]\r | |
487 | Assuming [Harddisk1 CdRom2 Efi1] is ordered properly\r | |
488 | Output = [Harddisk1 Harddisk0 Harddisk2 CdRom2 CdRom0 CdRom1 Efi1 Efi0]\r | |
489 | \r | |
490 | 2. Input = [Efi1 Efi0 CdRom1 Harddisk0 Harddisk1 Harddisk2 CdRom0 CdRom2]\r | |
491 | Assuming [Efi1 Efi0 CdRom1 Harddisk0] is ordered properly\r | |
492 | Output = [Efi1 Efi0 CdRom1 CdRom0 CdRom2 Harddisk0 Harddisk1 Harddisk2]\r | |
493 | \r | |
494 | @param BootOption Pointer to buffer containing Boot Option Numbers\r | |
495 | @param BootOptionCount Count of the Boot Option Numbers\r | |
496 | **/\r | |
497 | VOID\r | |
498 | GroupMultipleLegacyBootOption4SameType (\r | |
499 | UINT16 *BootOption,\r | |
500 | UINTN BootOptionCount\r | |
501 | )\r | |
502 | {\r | |
503 | UINTN DeviceTypeIndex[7];\r | |
504 | UINTN Index;\r | |
505 | UINTN MappingIndex;\r | |
506 | UINTN *NextIndex;\r | |
507 | UINT16 OptionNumber;\r | |
508 | UINTN DeviceIndex;\r | |
509 | \r | |
510 | SetMem (DeviceTypeIndex, sizeof (DeviceTypeIndex), 0xFF);\r | |
511 | \r | |
512 | for (Index = 0; Index < BootOptionCount; Index++) {\r | |
513 | \r | |
514 | //\r | |
515 | // Find the DeviceType\r | |
516 | //\r | |
517 | for (MappingIndex = 0; MappingIndex < mBootOptionBbsMappingCount; MappingIndex++) {\r | |
518 | if (mBootOptionBbsMapping[MappingIndex].BootOptionNumber == BootOption[Index]) {\r | |
519 | break;\r | |
520 | }\r | |
521 | }\r | |
522 | if (MappingIndex == mBootOptionBbsMappingCount) {\r | |
523 | //\r | |
524 | // Is not a legacy boot option\r | |
525 | //\r | |
526 | continue;\r | |
527 | }\r | |
528 | \r | |
529 | ASSERT ((mBootOptionBbsMapping[MappingIndex].BbsType & 0xF) < \r | |
530 | sizeof (DeviceTypeIndex) / sizeof (DeviceTypeIndex[0]));\r | |
531 | NextIndex = &DeviceTypeIndex[mBootOptionBbsMapping[MappingIndex].BbsType & 0xF];\r | |
532 | if (*NextIndex == (UINTN) -1) {\r | |
533 | //\r | |
534 | // *NextIndex is the index in BootOption to put the next Option Number for the same type\r | |
535 | //\r | |
536 | *NextIndex = Index + 1;\r | |
537 | } else {\r | |
538 | //\r | |
539 | // insert the current boot option before *NextIndex, causing [*Next .. Index] shift right one position\r | |
540 | //\r | |
541 | OptionNumber = BootOption[Index];\r | |
542 | CopyMem (&BootOption[*NextIndex + 1], &BootOption[*NextIndex], (Index - *NextIndex) * sizeof (UINT16));\r | |
543 | BootOption[*NextIndex] = OptionNumber;\r | |
544 | \r | |
545 | //\r | |
546 | // Update the DeviceTypeIndex array to reflect the right shift operation\r | |
547 | //\r | |
548 | for (DeviceIndex = 0; DeviceIndex < sizeof (DeviceTypeIndex) / sizeof (DeviceTypeIndex[0]); DeviceIndex++) {\r | |
549 | if (DeviceTypeIndex[DeviceIndex] != (UINTN) -1 && DeviceTypeIndex[DeviceIndex] >= *NextIndex) {\r | |
550 | DeviceTypeIndex[DeviceIndex]++;\r | |
551 | }\r | |
552 | }\r | |
553 | }\r | |
554 | }\r | |
555 | }\r | |
556 | \r | |
5c08e117 | 557 | /**\r |
558 | Delete all the invalid legacy boot options.\r | |
559 | \r | |
560 | @retval EFI_SUCCESS All invalide legacy boot options are deleted.\r | |
561 | @retval EFI_OUT_OF_RESOURCES Fail to allocate necessary memory.\r | |
562 | @retval EFI_NOT_FOUND Fail to retrive variable of boot order.\r | |
563 | **/\r | |
564 | EFI_STATUS\r | |
6ba0bc7c | 565 | EFIAPI\r |
5c08e117 | 566 | BdsDeleteAllInvalidLegacyBootOptions (\r |
567 | VOID\r | |
568 | )\r | |
569 | {\r | |
570 | UINT16 *BootOrder;\r | |
571 | UINT8 *BootOptionVar;\r | |
572 | UINTN BootOrderSize;\r | |
573 | UINTN BootOptionSize;\r | |
574 | EFI_STATUS Status;\r | |
575 | UINT16 HddCount;\r | |
576 | UINT16 BbsCount;\r | |
577 | HDD_INFO *LocalHddInfo;\r | |
578 | BBS_TABLE *LocalBbsTable;\r | |
579 | BBS_TABLE *BbsEntry;\r | |
580 | UINT16 BbsIndex;\r | |
581 | EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;\r | |
582 | UINTN Index;\r | |
583 | UINT16 BootOption[10];\r | |
584 | UINT16 BootDesc[100];\r | |
585 | BOOLEAN DescStringMatch;\r | |
586 | \r | |
587 | Status = EFI_SUCCESS;\r | |
588 | BootOrder = NULL;\r | |
589 | BootOrderSize = 0;\r | |
590 | HddCount = 0;\r | |
591 | BbsCount = 0;\r | |
592 | LocalHddInfo = NULL;\r | |
593 | LocalBbsTable = NULL;\r | |
594 | BbsEntry = NULL;\r | |
595 | \r | |
596 | Status = EfiLibLocateProtocol (&gEfiLegacyBiosProtocolGuid, (VOID **) &LegacyBios);\r | |
597 | if (EFI_ERROR (Status)) {\r | |
598 | return Status;\r | |
599 | }\r | |
600 | \r | |
601 | LegacyBios->GetBbsInfo (\r | |
602 | LegacyBios,\r | |
603 | &HddCount,\r | |
604 | &LocalHddInfo,\r | |
605 | &BbsCount,\r | |
606 | &LocalBbsTable\r | |
607 | );\r | |
608 | \r | |
609 | BootOrder = BdsLibGetVariableAndSize (\r | |
610 | L"BootOrder",\r | |
611 | &gEfiGlobalVariableGuid,\r | |
612 | &BootOrderSize\r | |
613 | );\r | |
22d1f978 RN |
614 | if (BootOrder == NULL) {\r |
615 | BootOrderSize = 0;\r | |
5c08e117 | 616 | }\r |
617 | \r | |
618 | Index = 0;\r | |
619 | while (Index < BootOrderSize / sizeof (UINT16)) {\r | |
620 | UnicodeSPrint (BootOption, sizeof (BootOption), L"Boot%04x", BootOrder[Index]);\r | |
621 | BootOptionVar = BdsLibGetVariableAndSize (\r | |
622 | BootOption,\r | |
623 | &gEfiGlobalVariableGuid,\r | |
624 | &BootOptionSize\r | |
625 | );\r | |
626 | if (NULL == BootOptionVar) {\r | |
22d1f978 RN |
627 | BootOptionSize = 0;\r |
628 | Status = gRT->GetVariable (\r | |
629 | BootOption,\r | |
630 | &gEfiGlobalVariableGuid,\r | |
631 | NULL,\r | |
632 | &BootOptionSize,\r | |
633 | BootOptionVar\r | |
634 | );\r | |
635 | if (Status == EFI_NOT_FOUND) {\r | |
636 | //\r | |
637 | // Update BootOrder\r | |
638 | //\r | |
639 | BdsDeleteBootOption (\r | |
640 | BootOrder[Index],\r | |
641 | BootOrder,\r | |
642 | &BootOrderSize\r | |
643 | );\r | |
644 | continue;\r | |
645 | } else {\r | |
5c08e117 | 646 | FreePool (BootOrder);\r |
22d1f978 | 647 | return EFI_OUT_OF_RESOURCES;\r |
5c08e117 | 648 | }\r |
5c08e117 | 649 | }\r |
650 | \r | |
651 | //\r | |
22d1f978 | 652 | // Skip Non-Legacy boot option\r |
5c08e117 | 653 | // \r |
654 | if (!BdsIsLegacyBootOption (BootOptionVar, &BbsEntry, &BbsIndex)) {\r | |
655 | if (BootOptionVar!= NULL) {\r | |
656 | FreePool (BootOptionVar);\r | |
657 | }\r | |
658 | Index++;\r | |
659 | continue;\r | |
660 | }\r | |
661 | \r | |
22d1f978 RN |
662 | if (BbsIndex < BbsCount) {\r |
663 | //\r | |
664 | // Check if BBS Description String is changed\r | |
665 | //\r | |
666 | DescStringMatch = FALSE;\r | |
667 | BdsBuildLegacyDevNameString (\r | |
668 | &LocalBbsTable[BbsIndex],\r | |
669 | BbsIndex,\r | |
670 | sizeof (BootDesc),\r | |
671 | BootDesc\r | |
672 | );\r | |
673 | \r | |
674 | if (StrCmp (BootDesc, (UINT16*)(BootOptionVar + sizeof (UINT32) + sizeof (UINT16))) == 0) {\r | |
675 | DescStringMatch = TRUE;\r | |
676 | }\r | |
5c08e117 | 677 | \r |
22d1f978 RN |
678 | if (!((LocalBbsTable[BbsIndex].BootPriority == BBS_IGNORE_ENTRY) ||\r |
679 | (LocalBbsTable[BbsIndex].BootPriority == BBS_DO_NOT_BOOT_FROM)) &&\r | |
680 | (LocalBbsTable[BbsIndex].DeviceType == BbsEntry->DeviceType) &&\r | |
681 | DescStringMatch) {\r | |
682 | Index++;\r | |
683 | continue;\r | |
684 | }\r | |
5c08e117 | 685 | }\r |
686 | \r | |
687 | if (BootOptionVar != NULL) {\r | |
688 | FreePool (BootOptionVar);\r | |
689 | }\r | |
690 | //\r | |
691 | // should delete\r | |
692 | //\r | |
693 | BdsDeleteBootOption (\r | |
694 | BootOrder[Index],\r | |
695 | BootOrder,\r | |
696 | &BootOrderSize\r | |
697 | );\r | |
698 | }\r | |
699 | \r | |
700 | //\r | |
701 | // Adjust the number of boot options.\r | |
702 | //\r | |
703 | if (BootOrderSize != 0) {\r | |
704 | Status = gRT->SetVariable (\r | |
705 | L"BootOrder",\r | |
706 | &gEfiGlobalVariableGuid,\r | |
707 | VAR_FLAG,\r | |
708 | BootOrderSize,\r | |
709 | BootOrder\r | |
710 | );\r | |
711 | } else {\r | |
712 | EfiLibDeleteVariable (L"BootOrder", &gEfiGlobalVariableGuid);\r | |
713 | }\r | |
714 | \r | |
715 | if (BootOrder != NULL) {\r | |
716 | FreePool (BootOrder);\r | |
717 | }\r | |
718 | \r | |
719 | return Status;\r | |
720 | }\r | |
721 | \r | |
722 | /**\r | |
723 | Find all legacy boot option by device type.\r | |
724 | \r | |
725 | @param BootOrder The boot order array.\r | |
726 | @param BootOptionNum The number of boot option.\r | |
727 | @param DevType Device type.\r | |
22d1f978 | 728 | @param DevName Device name.\r |
5c08e117 | 729 | @param Attribute The boot option attribute.\r |
730 | @param BbsIndex The BBS table index.\r | |
731 | @param OptionNumber The boot option index.\r | |
732 | \r | |
733 | @retval TRUE The Legacy boot option is found.\r | |
734 | @retval FALSE The legacy boot option is not found.\r | |
735 | \r | |
736 | **/\r | |
737 | BOOLEAN\r | |
22d1f978 | 738 | BdsFindLegacyBootOptionByDevTypeAndName (\r |
5c08e117 | 739 | IN UINT16 *BootOrder,\r |
740 | IN UINTN BootOptionNum,\r | |
741 | IN UINT16 DevType,\r | |
22d1f978 | 742 | IN CHAR16 *DevName,\r |
5c08e117 | 743 | OUT UINT32 *Attribute,\r |
744 | OUT UINT16 *BbsIndex,\r | |
22d1f978 | 745 | OUT UINT16 *OptionNumber\r |
5c08e117 | 746 | )\r |
747 | {\r | |
748 | UINTN Index;\r | |
22d1f978 | 749 | CHAR16 BootOption[9];\r |
5c08e117 | 750 | UINTN BootOptionSize;\r |
751 | UINT8 *BootOptionVar;\r | |
752 | BBS_TABLE *BbsEntry;\r | |
753 | BOOLEAN Found;\r | |
754 | \r | |
755 | BbsEntry = NULL;\r | |
756 | Found = FALSE;\r | |
757 | \r | |
758 | if (NULL == BootOrder) {\r | |
759 | return Found;\r | |
760 | }\r | |
761 | \r | |
762 | //\r | |
763 | // Loop all boot option from variable\r | |
764 | //\r | |
22d1f978 RN |
765 | for (Index = 0; Index < BootOptionNum; Index++) {\r |
766 | UnicodeSPrint (BootOption, sizeof (BootOption), L"Boot%04x", (UINTN) BootOrder[Index]);\r | |
5c08e117 | 767 | BootOptionVar = BdsLibGetVariableAndSize (\r |
768 | BootOption,\r | |
769 | &gEfiGlobalVariableGuid,\r | |
770 | &BootOptionSize\r | |
771 | );\r | |
772 | if (NULL == BootOptionVar) {\r | |
773 | continue;\r | |
774 | }\r | |
775 | \r | |
776 | //\r | |
777 | // Skip Non-legacy boot option\r | |
778 | //\r | |
779 | if (!BdsIsLegacyBootOption (BootOptionVar, &BbsEntry, BbsIndex)) {\r | |
780 | FreePool (BootOptionVar);\r | |
781 | continue;\r | |
782 | }\r | |
783 | \r | |
22d1f978 RN |
784 | if (\r |
785 | (BbsEntry->DeviceType != DevType) ||\r | |
786 | (StrCmp (DevName, (CHAR16*)(BootOptionVar + sizeof (UINT32) + sizeof (UINT16))) != 0)\r | |
787 | ) {\r | |
5c08e117 | 788 | FreePool (BootOptionVar);\r |
789 | continue;\r | |
790 | }\r | |
791 | \r | |
792 | *Attribute = *(UINT32 *) BootOptionVar;\r | |
22d1f978 | 793 | *OptionNumber = BootOrder[Index];\r |
5c08e117 | 794 | Found = TRUE;\r |
795 | FreePool (BootOptionVar);\r | |
796 | break;\r | |
797 | }\r | |
798 | \r | |
799 | return Found;\r | |
800 | }\r | |
801 | \r | |
802 | /**\r | |
803 | Create a legacy boot option.\r | |
804 | \r | |
805 | @param BbsItem The BBS Table entry.\r | |
806 | @param Index Index of the specified entry in BBS table.\r | |
807 | @param BootOrderList The boot order list.\r | |
808 | @param BootOrderListSize The size of boot order list.\r | |
809 | \r | |
810 | @retval EFI_OUT_OF_RESOURCE No enough memory.\r | |
811 | @retval EFI_SUCCESS The function complete successfully.\r | |
812 | @return Other value if the legacy boot option is not created.\r | |
813 | \r | |
814 | **/\r | |
815 | EFI_STATUS\r | |
816 | BdsCreateOneLegacyBootOption (\r | |
817 | IN BBS_TABLE *BbsItem,\r | |
818 | IN UINTN Index,\r | |
819 | IN OUT UINT16 **BootOrderList,\r | |
820 | IN OUT UINTN *BootOrderListSize\r | |
821 | )\r | |
822 | {\r | |
823 | BBS_BBS_DEVICE_PATH BbsDevPathNode;\r | |
824 | EFI_STATUS Status;\r | |
825 | EFI_DEVICE_PATH_PROTOCOL *DevPath;\r | |
826 | \r | |
827 | DevPath = NULL;\r | |
828 | \r | |
829 | //\r | |
830 | // Create device path node.\r | |
831 | //\r | |
832 | BbsDevPathNode.Header.Type = BBS_DEVICE_PATH;\r | |
833 | BbsDevPathNode.Header.SubType = BBS_BBS_DP;\r | |
834 | SetDevicePathNodeLength (&BbsDevPathNode.Header, sizeof (BBS_BBS_DEVICE_PATH));\r | |
835 | BbsDevPathNode.DeviceType = BbsItem->DeviceType;\r | |
836 | CopyMem (&BbsDevPathNode.StatusFlag, &BbsItem->StatusFlags, sizeof (UINT16));\r | |
837 | \r | |
838 | DevPath = AppendDevicePathNode (\r | |
839 | EndDevicePath,\r | |
840 | (EFI_DEVICE_PATH_PROTOCOL *) &BbsDevPathNode\r | |
841 | );\r | |
842 | if (NULL == DevPath) {\r | |
843 | return EFI_OUT_OF_RESOURCES;\r | |
844 | }\r | |
845 | \r | |
846 | Status = BdsCreateLegacyBootOption (\r | |
847 | BbsItem,\r | |
848 | DevPath,\r | |
849 | Index,\r | |
850 | BootOrderList,\r | |
851 | BootOrderListSize\r | |
852 | );\r | |
853 | BbsItem->BootPriority = 0x00;\r | |
854 | \r | |
855 | FreePool (DevPath);\r | |
856 | \r | |
857 | return Status;\r | |
858 | }\r | |
859 | \r | |
860 | /**\r | |
5c08e117 | 861 | Add the legacy boot options from BBS table if they do not exist.\r |
862 | \r | |
e83c9064 LG |
863 | @retval EFI_SUCCESS The boot options are added successfully \r |
864 | or they are already in boot options.\r | |
865 | @retval EFI_NOT_FOUND No legacy boot options is found.\r | |
866 | @retval EFI_OUT_OF_RESOURCE No enough memory.\r | |
867 | @return Other value LegacyBoot options are not added.\r | |
5c08e117 | 868 | **/\r |
869 | EFI_STATUS\r | |
6ba0bc7c | 870 | EFIAPI\r |
5c08e117 | 871 | BdsAddNonExistingLegacyBootOptions (\r |
872 | VOID\r | |
873 | )\r | |
874 | {\r | |
875 | UINT16 *BootOrder;\r | |
876 | UINTN BootOrderSize;\r | |
877 | EFI_STATUS Status;\r | |
22d1f978 | 878 | CHAR16 Desc[100];\r |
5c08e117 | 879 | UINT16 HddCount;\r |
880 | UINT16 BbsCount;\r | |
881 | HDD_INFO *LocalHddInfo;\r | |
882 | BBS_TABLE *LocalBbsTable;\r | |
883 | UINT16 BbsIndex;\r | |
884 | EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;\r | |
22d1f978 | 885 | UINT16 Index;\r |
5c08e117 | 886 | UINT32 Attribute;\r |
22d1f978 RN |
887 | UINT16 OptionNumber;\r |
888 | BOOLEAN Exist;\r | |
5c08e117 | 889 | \r |
5c08e117 | 890 | HddCount = 0;\r |
891 | BbsCount = 0;\r | |
892 | LocalHddInfo = NULL;\r | |
893 | LocalBbsTable = NULL;\r | |
894 | \r | |
895 | Status = EfiLibLocateProtocol (&gEfiLegacyBiosProtocolGuid, (VOID **) &LegacyBios);\r | |
896 | if (EFI_ERROR (Status)) {\r | |
897 | return Status;\r | |
898 | }\r | |
899 | \r | |
22d1f978 RN |
900 | if (mBootOptionBbsMapping != NULL) {\r |
901 | FreePool (mBootOptionBbsMapping);\r | |
902 | \r | |
903 | mBootOptionBbsMapping = NULL;\r | |
904 | mBootOptionBbsMappingCount = 0;\r | |
905 | }\r | |
906 | \r | |
5c08e117 | 907 | LegacyBios->GetBbsInfo (\r |
908 | LegacyBios,\r | |
909 | &HddCount,\r | |
910 | &LocalHddInfo,\r | |
911 | &BbsCount,\r | |
912 | &LocalBbsTable\r | |
913 | );\r | |
914 | \r | |
915 | BootOrder = BdsLibGetVariableAndSize (\r | |
916 | L"BootOrder",\r | |
917 | &gEfiGlobalVariableGuid,\r | |
918 | &BootOrderSize\r | |
919 | );\r | |
22d1f978 | 920 | if (BootOrder == NULL) {\r |
5c08e117 | 921 | BootOrderSize = 0;\r |
922 | }\r | |
923 | \r | |
924 | for (Index = 0; Index < BbsCount; Index++) {\r | |
925 | if ((LocalBbsTable[Index].BootPriority == BBS_IGNORE_ENTRY) ||\r | |
926 | (LocalBbsTable[Index].BootPriority == BBS_DO_NOT_BOOT_FROM)\r | |
927 | ) {\r | |
928 | continue;\r | |
929 | }\r | |
930 | \r | |
22d1f978 RN |
931 | BdsBuildLegacyDevNameString (&LocalBbsTable[Index], Index, sizeof (Desc), Desc);\r |
932 | \r | |
933 | Exist = BdsFindLegacyBootOptionByDevTypeAndName (\r | |
934 | BootOrder,\r | |
935 | BootOrderSize / sizeof (UINT16),\r | |
936 | LocalBbsTable[Index].DeviceType,\r | |
937 | Desc,\r | |
938 | &Attribute,\r | |
939 | &BbsIndex,\r | |
940 | &OptionNumber\r | |
941 | );\r | |
942 | if (!Exist) {\r | |
943 | //\r | |
944 | // Not found such type of legacy device in boot options or we found but it's disabled\r | |
945 | // so we have to create one and put it to the tail of boot order list\r | |
946 | //\r | |
947 | Status = BdsCreateOneLegacyBootOption (\r | |
948 | &LocalBbsTable[Index],\r | |
949 | Index,\r | |
950 | &BootOrder,\r | |
951 | &BootOrderSize\r | |
952 | );\r | |
953 | if (EFI_ERROR (Status)) {\r | |
954 | break;\r | |
955 | }\r | |
956 | BbsIndex = Index;\r | |
957 | OptionNumber = BootOrder[BootOrderSize / sizeof (UINT16) - 1];\r | |
5c08e117 | 958 | }\r |
959 | \r | |
22d1f978 | 960 | ASSERT (BbsIndex == Index);\r |
5c08e117 | 961 | //\r |
22d1f978 | 962 | // Save the BbsIndex\r |
5c08e117 | 963 | //\r |
22d1f978 RN |
964 | mBootOptionBbsMapping = ReallocatePool (\r |
965 | mBootOptionBbsMappingCount * sizeof (BOOT_OPTION_BBS_MAPPING),\r | |
966 | (mBootOptionBbsMappingCount + 1) * sizeof (BOOT_OPTION_BBS_MAPPING),\r | |
967 | mBootOptionBbsMapping\r | |
968 | );\r | |
969 | ASSERT (mBootOptionBbsMapping != NULL);\r | |
970 | mBootOptionBbsMapping[mBootOptionBbsMappingCount].BootOptionNumber = OptionNumber;\r | |
971 | mBootOptionBbsMapping[mBootOptionBbsMappingCount].BbsIndex = Index;\r | |
972 | mBootOptionBbsMapping[mBootOptionBbsMappingCount].BbsType = LocalBbsTable[Index].DeviceType;\r | |
973 | mBootOptionBbsMappingCount ++;\r | |
5c08e117 | 974 | }\r |
975 | \r | |
22d1f978 RN |
976 | //\r |
977 | // Group the Boot Option Number in BootOrder for the same type devices\r | |
978 | //\r | |
979 | GroupMultipleLegacyBootOption4SameType (\r | |
980 | BootOrder,\r | |
981 | BootOrderSize / sizeof (UINT16)\r | |
982 | );\r | |
983 | \r | |
5c08e117 | 984 | if (BootOrderSize > 0) {\r |
985 | Status = gRT->SetVariable (\r | |
986 | L"BootOrder",\r | |
987 | &gEfiGlobalVariableGuid,\r | |
988 | VAR_FLAG,\r | |
989 | BootOrderSize,\r | |
990 | BootOrder\r | |
991 | );\r | |
992 | } else {\r | |
993 | EfiLibDeleteVariable (L"BootOrder", &gEfiGlobalVariableGuid);\r | |
994 | }\r | |
995 | \r | |
996 | if (BootOrder != NULL) {\r | |
997 | FreePool (BootOrder);\r | |
998 | }\r | |
999 | \r | |
1000 | return Status;\r | |
1001 | }\r | |
1002 | \r | |
1003 | /**\r | |
1004 | Fill the device order buffer.\r | |
1005 | \r | |
1006 | @param BbsTable The BBS table.\r | |
1007 | @param BbsType The BBS Type.\r | |
1008 | @param BbsCount The BBS Count.\r | |
1009 | @param Buf device order buffer.\r | |
1010 | \r | |
1011 | @return The device order buffer.\r | |
1012 | \r | |
1013 | **/\r | |
1014 | UINT16 *\r | |
1015 | BdsFillDevOrderBuf (\r | |
1016 | IN BBS_TABLE *BbsTable,\r | |
1017 | IN BBS_TYPE BbsType,\r | |
1018 | IN UINTN BbsCount,\r | |
22d1f978 | 1019 | OUT UINT16 *Buf\r |
5c08e117 | 1020 | )\r |
1021 | {\r | |
1022 | UINTN Index;\r | |
1023 | \r | |
1024 | for (Index = 0; Index < BbsCount; Index++) {\r | |
1025 | if (BbsTable[Index].BootPriority == BBS_IGNORE_ENTRY) {\r | |
1026 | continue;\r | |
1027 | }\r | |
1028 | \r | |
1029 | if (BbsTable[Index].DeviceType != BbsType) {\r | |
1030 | continue;\r | |
1031 | }\r | |
1032 | \r | |
1033 | *Buf = (UINT16) (Index & 0xFF);\r | |
1034 | Buf++;\r | |
1035 | }\r | |
1036 | \r | |
1037 | return Buf;\r | |
1038 | }\r | |
1039 | \r | |
1040 | /**\r | |
1041 | Create the device order buffer.\r | |
1042 | \r | |
1043 | @param BbsTable The BBS table.\r | |
1044 | @param BbsCount The BBS Count.\r | |
1045 | \r | |
e83c9064 LG |
1046 | @retval EFI_SUCCES The buffer is created and the EFI variable named \r |
1047 | VAR_LEGACY_DEV_ORDER and EfiLegacyDevOrderGuid is\r | |
1048 | set correctly.\r | |
1049 | @retval EFI_OUT_OF_RESOURCES Memmory or storage is not enough.\r | |
1050 | @retval EFI_DEVICE_ERROR Fail to add the device order into EFI variable fail\r | |
1051 | because of hardware error.\r | |
5c08e117 | 1052 | **/\r |
1053 | EFI_STATUS\r | |
1054 | BdsCreateDevOrder (\r | |
1055 | IN BBS_TABLE *BbsTable,\r | |
1056 | IN UINT16 BbsCount\r | |
1057 | )\r | |
1058 | {\r | |
22d1f978 RN |
1059 | UINTN Index;\r |
1060 | UINTN FDCount;\r | |
1061 | UINTN HDCount;\r | |
1062 | UINTN CDCount;\r | |
1063 | UINTN NETCount;\r | |
1064 | UINTN BEVCount;\r | |
1065 | UINTN TotalSize;\r | |
1066 | UINTN HeaderSize;\r | |
1067 | BM_LEGACY_DEV_ORDER_CONTEXT *DevOrder;\r | |
1068 | BM_LEGACY_DEV_ORDER_CONTEXT *DevOrderPtr;\r | |
1069 | EFI_STATUS Status;\r | |
5c08e117 | 1070 | \r |
1071 | FDCount = 0;\r | |
1072 | HDCount = 0;\r | |
1073 | CDCount = 0;\r | |
1074 | NETCount = 0;\r | |
1075 | BEVCount = 0;\r | |
1076 | TotalSize = 0;\r | |
1077 | HeaderSize = sizeof (BBS_TYPE) + sizeof (UINT16);\r | |
1078 | DevOrder = NULL;\r | |
5c08e117 | 1079 | Status = EFI_SUCCESS;\r |
1080 | \r | |
1081 | //\r | |
1082 | // Count all boot devices\r | |
1083 | //\r | |
1084 | for (Index = 0; Index < BbsCount; Index++) {\r | |
1085 | if (BbsTable[Index].BootPriority == BBS_IGNORE_ENTRY) {\r | |
1086 | continue;\r | |
1087 | }\r | |
1088 | \r | |
1089 | switch (BbsTable[Index].DeviceType) {\r | |
1090 | case BBS_FLOPPY:\r | |
1091 | FDCount++;\r | |
1092 | break;\r | |
1093 | \r | |
1094 | case BBS_HARDDISK:\r | |
1095 | HDCount++;\r | |
1096 | break;\r | |
1097 | \r | |
1098 | case BBS_CDROM:\r | |
1099 | CDCount++;\r | |
1100 | break;\r | |
1101 | \r | |
1102 | case BBS_EMBED_NETWORK:\r | |
1103 | NETCount++;\r | |
1104 | break;\r | |
1105 | \r | |
1106 | case BBS_BEV_DEVICE:\r | |
1107 | BEVCount++;\r | |
1108 | break;\r | |
1109 | \r | |
1110 | default:\r | |
1111 | break;\r | |
1112 | }\r | |
1113 | }\r | |
1114 | \r | |
1115 | TotalSize += (HeaderSize + sizeof (UINT16) * FDCount);\r | |
1116 | TotalSize += (HeaderSize + sizeof (UINT16) * HDCount);\r | |
1117 | TotalSize += (HeaderSize + sizeof (UINT16) * CDCount);\r | |
1118 | TotalSize += (HeaderSize + sizeof (UINT16) * NETCount);\r | |
1119 | TotalSize += (HeaderSize + sizeof (UINT16) * BEVCount);\r | |
1120 | \r | |
1121 | //\r | |
1122 | // Create buffer to hold all boot device order\r | |
1123 | //\r | |
1124 | DevOrder = AllocateZeroPool (TotalSize);\r | |
1125 | if (NULL == DevOrder) {\r | |
1126 | return EFI_OUT_OF_RESOURCES;\r | |
1127 | }\r | |
22d1f978 | 1128 | DevOrderPtr = DevOrder;\r |
5c08e117 | 1129 | \r |
22d1f978 RN |
1130 | DevOrderPtr->BbsType = BBS_FLOPPY;\r |
1131 | DevOrderPtr->Length = (UINT16) (sizeof (DevOrderPtr->Length) + FDCount * sizeof (UINT16));\r | |
1132 | DevOrderPtr = (BM_LEGACY_DEV_ORDER_CONTEXT *) BdsFillDevOrderBuf (BbsTable, BBS_FLOPPY, BbsCount, DevOrderPtr->Data);\r | |
5c08e117 | 1133 | \r |
22d1f978 RN |
1134 | DevOrderPtr->BbsType = BBS_HARDDISK;\r |
1135 | DevOrderPtr->Length = (UINT16) (sizeof (UINT16) + HDCount * sizeof (UINT16));\r | |
1136 | DevOrderPtr = (BM_LEGACY_DEV_ORDER_CONTEXT *) BdsFillDevOrderBuf (BbsTable, BBS_HARDDISK, BbsCount, DevOrderPtr->Data);\r | |
1137 | \r | |
1138 | DevOrderPtr->BbsType = BBS_CDROM;\r | |
1139 | DevOrderPtr->Length = (UINT16) (sizeof (UINT16) + CDCount * sizeof (UINT16));\r | |
1140 | DevOrderPtr = (BM_LEGACY_DEV_ORDER_CONTEXT *) BdsFillDevOrderBuf (BbsTable, BBS_CDROM, BbsCount, DevOrderPtr->Data);\r | |
1141 | \r | |
1142 | DevOrderPtr->BbsType = BBS_EMBED_NETWORK;\r | |
1143 | DevOrderPtr->Length = (UINT16) (sizeof (UINT16) + NETCount * sizeof (UINT16));\r | |
1144 | DevOrderPtr = (BM_LEGACY_DEV_ORDER_CONTEXT *) BdsFillDevOrderBuf (BbsTable, BBS_EMBED_NETWORK, BbsCount, DevOrderPtr->Data);\r | |
5c08e117 | 1145 | \r |
22d1f978 RN |
1146 | DevOrderPtr->BbsType = BBS_BEV_DEVICE;\r |
1147 | DevOrderPtr->Length = (UINT16) (sizeof (UINT16) + BEVCount * sizeof (UINT16));\r | |
1148 | DevOrderPtr = (BM_LEGACY_DEV_ORDER_CONTEXT *) BdsFillDevOrderBuf (BbsTable, BBS_BEV_DEVICE, BbsCount, DevOrderPtr->Data);\r | |
5c08e117 | 1149 | \r |
22d1f978 | 1150 | ASSERT (TotalSize == (UINTN) ((UINT8 *) DevOrderPtr - (UINT8 *) DevOrder));\r |
5c08e117 | 1151 | \r |
1152 | //\r | |
1153 | // Save device order for legacy boot device to variable.\r | |
1154 | //\r | |
1155 | Status = gRT->SetVariable (\r | |
1156 | VAR_LEGACY_DEV_ORDER,\r | |
1157 | &EfiLegacyDevOrderGuid,\r | |
1158 | VAR_FLAG,\r | |
1159 | TotalSize,\r | |
1160 | DevOrder\r | |
1161 | );\r | |
1162 | FreePool (DevOrder);\r | |
1163 | \r | |
1164 | return Status;\r | |
1165 | }\r | |
1166 | \r | |
1167 | /**\r | |
5c08e117 | 1168 | Add the legacy boot devices from BBS table into \r |
1169 | the legacy device boot order.\r | |
1170 | \r | |
e83c9064 LG |
1171 | @retval EFI_SUCCESS The boot devices are added successfully.\r |
1172 | @retval EFI_NOT_FOUND The legacy boot devices are not found.\r | |
1173 | @retval EFI_OUT_OF_RESOURCES Memmory or storage is not enough.\r | |
1174 | @retval EFI_DEVICE_ERROR Fail to add the legacy device boot order into EFI variable\r | |
1175 | because of hardware error.\r | |
5c08e117 | 1176 | **/\r |
1177 | EFI_STATUS\r | |
6ba0bc7c | 1178 | EFIAPI\r |
5c08e117 | 1179 | BdsUpdateLegacyDevOrder (\r |
1180 | VOID\r | |
1181 | )\r | |
1182 | {\r | |
22d1f978 RN |
1183 | BM_LEGACY_DEV_ORDER_CONTEXT *DevOrder;\r |
1184 | BM_LEGACY_DEV_ORDER_CONTEXT *NewDevOrder;\r | |
1185 | BM_LEGACY_DEV_ORDER_CONTEXT *Ptr;\r | |
1186 | BM_LEGACY_DEV_ORDER_CONTEXT *NewPtr;\r | |
1187 | UINTN DevOrderSize;\r | |
1188 | EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;\r | |
1189 | EFI_STATUS Status;\r | |
1190 | UINT16 HddCount;\r | |
1191 | UINT16 BbsCount;\r | |
1192 | HDD_INFO *LocalHddInfo;\r | |
1193 | BBS_TABLE *LocalBbsTable;\r | |
1194 | UINTN Index;\r | |
1195 | UINTN Index2;\r | |
1196 | UINTN *Idx;\r | |
1197 | UINTN FDCount;\r | |
1198 | UINTN HDCount;\r | |
1199 | UINTN CDCount;\r | |
1200 | UINTN NETCount;\r | |
1201 | UINTN BEVCount;\r | |
1202 | UINTN TotalSize;\r | |
1203 | UINTN HeaderSize;\r | |
1204 | UINT16 *NewFDPtr;\r | |
1205 | UINT16 *NewHDPtr;\r | |
1206 | UINT16 *NewCDPtr;\r | |
1207 | UINT16 *NewNETPtr;\r | |
1208 | UINT16 *NewBEVPtr;\r | |
1209 | UINT16 *NewDevPtr;\r | |
1210 | UINTN FDIndex;\r | |
1211 | UINTN HDIndex;\r | |
1212 | UINTN CDIndex;\r | |
1213 | UINTN NETIndex;\r | |
1214 | UINTN BEVIndex;\r | |
5c08e117 | 1215 | \r |
5c08e117 | 1216 | Idx = NULL;\r |
1217 | FDCount = 0;\r | |
1218 | HDCount = 0;\r | |
1219 | CDCount = 0;\r | |
1220 | NETCount = 0;\r | |
1221 | BEVCount = 0;\r | |
1222 | TotalSize = 0;\r | |
1223 | HeaderSize = sizeof (BBS_TYPE) + sizeof (UINT16);\r | |
1224 | FDIndex = 0;\r | |
1225 | HDIndex = 0;\r | |
1226 | CDIndex = 0;\r | |
1227 | NETIndex = 0;\r | |
1228 | BEVIndex = 0;\r | |
1229 | NewDevPtr = NULL;\r | |
1230 | \r | |
1231 | Status = EfiLibLocateProtocol (&gEfiLegacyBiosProtocolGuid, (VOID **) &LegacyBios);\r | |
1232 | if (EFI_ERROR (Status)) {\r | |
1233 | return Status;\r | |
1234 | }\r | |
1235 | \r | |
22d1f978 RN |
1236 | Status = LegacyBios->GetBbsInfo (\r |
1237 | LegacyBios,\r | |
1238 | &HddCount,\r | |
1239 | &LocalHddInfo,\r | |
1240 | &BbsCount,\r | |
1241 | &LocalBbsTable\r | |
1242 | );\r | |
1243 | if (EFI_ERROR (Status)) {\r | |
1244 | return Status;\r | |
1245 | }\r | |
5c08e117 | 1246 | \r |
22d1f978 RN |
1247 | DevOrder = BdsLibGetVariableAndSize (\r |
1248 | VAR_LEGACY_DEV_ORDER,\r | |
1249 | &EfiLegacyDevOrderGuid,\r | |
1250 | &DevOrderSize\r | |
1251 | );\r | |
5c08e117 | 1252 | if (NULL == DevOrder) {\r |
1253 | return BdsCreateDevOrder (LocalBbsTable, BbsCount);\r | |
1254 | }\r | |
1255 | //\r | |
1256 | // First we figure out how many boot devices with same device type respectively\r | |
1257 | //\r | |
1258 | for (Index = 0; Index < BbsCount; Index++) {\r | |
1259 | if ((LocalBbsTable[Index].BootPriority == BBS_IGNORE_ENTRY) ||\r | |
1260 | (LocalBbsTable[Index].BootPriority == BBS_DO_NOT_BOOT_FROM)\r | |
1261 | ) {\r | |
1262 | continue;\r | |
1263 | }\r | |
1264 | \r | |
1265 | switch (LocalBbsTable[Index].DeviceType) {\r | |
1266 | case BBS_FLOPPY:\r | |
1267 | FDCount++;\r | |
1268 | break;\r | |
1269 | \r | |
1270 | case BBS_HARDDISK:\r | |
1271 | HDCount++;\r | |
1272 | break;\r | |
1273 | \r | |
1274 | case BBS_CDROM:\r | |
1275 | CDCount++;\r | |
1276 | break;\r | |
1277 | \r | |
1278 | case BBS_EMBED_NETWORK:\r | |
1279 | NETCount++;\r | |
1280 | break;\r | |
1281 | \r | |
1282 | case BBS_BEV_DEVICE:\r | |
1283 | BEVCount++;\r | |
1284 | break;\r | |
1285 | \r | |
1286 | default:\r | |
1287 | break;\r | |
1288 | }\r | |
1289 | }\r | |
1290 | \r | |
1291 | TotalSize += (HeaderSize + FDCount * sizeof (UINT16));\r | |
1292 | TotalSize += (HeaderSize + HDCount * sizeof (UINT16));\r | |
1293 | TotalSize += (HeaderSize + CDCount * sizeof (UINT16));\r | |
1294 | TotalSize += (HeaderSize + NETCount * sizeof (UINT16));\r | |
1295 | TotalSize += (HeaderSize + BEVCount * sizeof (UINT16));\r | |
1296 | \r | |
1297 | NewDevOrder = AllocateZeroPool (TotalSize);\r | |
1298 | if (NULL == NewDevOrder) {\r | |
1299 | return EFI_OUT_OF_RESOURCES;\r | |
1300 | }\r | |
1301 | \r | |
22d1f978 | 1302 | \r |
5c08e117 | 1303 | \r |
1304 | //\r | |
1305 | // copy FD\r | |
1306 | //\r | |
22d1f978 RN |
1307 | Ptr = DevOrder;\r |
1308 | NewPtr = NewDevOrder;\r | |
1309 | NewPtr->BbsType = Ptr->BbsType;\r | |
1310 | NewPtr->Length = (UINT16) (sizeof (UINT16) + FDCount * sizeof (UINT16));\r | |
1311 | for (Index = 0; Index < Ptr->Length / sizeof (UINT16) - 1; Index++) {\r | |
1312 | if (LocalBbsTable[Ptr->Data[Index] & 0xFF].BootPriority == BBS_IGNORE_ENTRY ||\r | |
1313 | LocalBbsTable[Ptr->Data[Index] & 0xFF].BootPriority == BBS_DO_NOT_BOOT_FROM ||\r | |
1314 | LocalBbsTable[Ptr->Data[Index] & 0xFF].DeviceType != BBS_FLOPPY\r | |
5c08e117 | 1315 | ) {\r |
5c08e117 | 1316 | continue;\r |
1317 | }\r | |
1318 | \r | |
22d1f978 | 1319 | NewPtr->Data[FDIndex] = Ptr->Data[Index];\r |
5c08e117 | 1320 | FDIndex++;\r |
5c08e117 | 1321 | }\r |
22d1f978 RN |
1322 | NewFDPtr = NewPtr->Data;\r |
1323 | \r | |
5c08e117 | 1324 | //\r |
1325 | // copy HD\r | |
1326 | //\r | |
22d1f978 RN |
1327 | Ptr = (BM_LEGACY_DEV_ORDER_CONTEXT *) (&Ptr->Data[Ptr->Length / sizeof (UINT16) - 1]);\r |
1328 | NewPtr = (BM_LEGACY_DEV_ORDER_CONTEXT *) (&NewPtr->Data[NewPtr->Length / sizeof (UINT16) -1]);\r | |
1329 | NewPtr->BbsType = Ptr->BbsType;\r | |
1330 | NewPtr->Length = (UINT16) (sizeof (UINT16) + HDCount * sizeof (UINT16));\r | |
1331 | for (Index = 0; Index < Ptr->Length / sizeof (UINT16) - 1; Index++) {\r | |
1332 | if (LocalBbsTable[Ptr->Data[Index] & 0xFF].BootPriority == BBS_IGNORE_ENTRY ||\r | |
1333 | LocalBbsTable[Ptr->Data[Index] & 0xFF].BootPriority == BBS_DO_NOT_BOOT_FROM ||\r | |
1334 | LocalBbsTable[Ptr->Data[Index] & 0xFF].BootPriority == BBS_LOWEST_PRIORITY ||\r | |
1335 | LocalBbsTable[Ptr->Data[Index] & 0xFF].DeviceType != BBS_HARDDISK\r | |
5c08e117 | 1336 | ) {\r |
5c08e117 | 1337 | continue;\r |
1338 | }\r | |
1339 | \r | |
22d1f978 | 1340 | NewPtr->Data[HDIndex] = Ptr->Data[Index];\r |
5c08e117 | 1341 | HDIndex++;\r |
5c08e117 | 1342 | }\r |
22d1f978 RN |
1343 | NewHDPtr = NewPtr->Data;\r |
1344 | \r | |
5c08e117 | 1345 | //\r |
1346 | // copy CD\r | |
1347 | //\r | |
22d1f978 RN |
1348 | Ptr = (BM_LEGACY_DEV_ORDER_CONTEXT *) (&Ptr->Data[Ptr->Length / sizeof (UINT16) - 1]);\r |
1349 | NewPtr = (BM_LEGACY_DEV_ORDER_CONTEXT *) (&NewPtr->Data[NewPtr->Length / sizeof (UINT16) -1]);\r | |
1350 | NewPtr->BbsType = Ptr->BbsType;\r | |
1351 | NewPtr->Length = (UINT16) (sizeof (UINT16) + CDCount * sizeof (UINT16));\r | |
1352 | for (Index = 0; Index < Ptr->Length / sizeof (UINT16) - 1; Index++) {\r | |
1353 | if (LocalBbsTable[Ptr->Data[Index] & 0xFF].BootPriority == BBS_IGNORE_ENTRY ||\r | |
1354 | LocalBbsTable[Ptr->Data[Index] & 0xFF].BootPriority == BBS_DO_NOT_BOOT_FROM ||\r | |
1355 | LocalBbsTable[Ptr->Data[Index] & 0xFF].BootPriority == BBS_LOWEST_PRIORITY ||\r | |
1356 | LocalBbsTable[Ptr->Data[Index] & 0xFF].DeviceType != BBS_CDROM\r | |
5c08e117 | 1357 | ) {\r |
5c08e117 | 1358 | continue;\r |
1359 | }\r | |
1360 | \r | |
22d1f978 | 1361 | NewPtr->Data[CDIndex] = Ptr->Data[Index];\r |
5c08e117 | 1362 | CDIndex++;\r |
5c08e117 | 1363 | }\r |
22d1f978 RN |
1364 | NewCDPtr = NewPtr->Data;\r |
1365 | \r | |
5c08e117 | 1366 | //\r |
1367 | // copy NET\r | |
1368 | //\r | |
22d1f978 RN |
1369 | Ptr = (BM_LEGACY_DEV_ORDER_CONTEXT *) (&Ptr->Data[Ptr->Length / sizeof (UINT16) - 1]);\r |
1370 | NewPtr = (BM_LEGACY_DEV_ORDER_CONTEXT *) (&NewPtr->Data[NewPtr->Length / sizeof (UINT16) -1]);\r | |
1371 | NewPtr->BbsType = Ptr->BbsType;\r | |
1372 | NewPtr->Length = (UINT16) (sizeof (UINT16) + NETCount * sizeof (UINT16));\r | |
1373 | for (Index = 0; Index < Ptr->Length / sizeof (UINT16) - 1; Index++) {\r | |
1374 | if (LocalBbsTable[Ptr->Data[Index] & 0xFF].BootPriority == BBS_IGNORE_ENTRY ||\r | |
1375 | LocalBbsTable[Ptr->Data[Index] & 0xFF].BootPriority == BBS_DO_NOT_BOOT_FROM ||\r | |
1376 | LocalBbsTable[Ptr->Data[Index] & 0xFF].BootPriority == BBS_LOWEST_PRIORITY ||\r | |
1377 | LocalBbsTable[Ptr->Data[Index] & 0xFF].DeviceType != BBS_EMBED_NETWORK\r | |
5c08e117 | 1378 | ) {\r |
5c08e117 | 1379 | continue;\r |
1380 | }\r | |
1381 | \r | |
22d1f978 | 1382 | NewPtr->Data[NETIndex] = Ptr->Data[Index];\r |
5c08e117 | 1383 | NETIndex++;\r |
5c08e117 | 1384 | }\r |
22d1f978 RN |
1385 | NewNETPtr = NewPtr->Data;\r |
1386 | \r | |
5c08e117 | 1387 | //\r |
1388 | // copy BEV\r | |
1389 | //\r | |
22d1f978 RN |
1390 | Ptr = (BM_LEGACY_DEV_ORDER_CONTEXT *) (&Ptr->Data[Ptr->Length / sizeof (UINT16) - 1]);\r |
1391 | NewPtr = (BM_LEGACY_DEV_ORDER_CONTEXT *) (&NewPtr->Data[NewPtr->Length / sizeof (UINT16) -1]);\r | |
1392 | NewPtr->BbsType = Ptr->BbsType;\r | |
1393 | NewPtr->Length = (UINT16) (sizeof (UINT16) + BEVCount * sizeof (UINT16));\r | |
1394 | for (Index = 0; Index < Ptr->Length / sizeof (UINT16) - 1; Index++) {\r | |
1395 | if (LocalBbsTable[Ptr->Data[Index] & 0xFF].BootPriority == BBS_IGNORE_ENTRY ||\r | |
1396 | LocalBbsTable[Ptr->Data[Index] & 0xFF].BootPriority == BBS_DO_NOT_BOOT_FROM ||\r | |
1397 | LocalBbsTable[Ptr->Data[Index] & 0xFF].BootPriority == BBS_LOWEST_PRIORITY ||\r | |
1398 | LocalBbsTable[Ptr->Data[Index] & 0xFF].DeviceType != BBS_BEV_DEVICE\r | |
5c08e117 | 1399 | ) {\r |
5c08e117 | 1400 | continue;\r |
1401 | }\r | |
1402 | \r | |
22d1f978 | 1403 | NewPtr->Data[BEVIndex] = Ptr->Data[Index];\r |
5c08e117 | 1404 | BEVIndex++;\r |
5c08e117 | 1405 | }\r |
22d1f978 | 1406 | NewBEVPtr = NewPtr->Data;\r |
5c08e117 | 1407 | \r |
1408 | for (Index = 0; Index < BbsCount; Index++) {\r | |
1409 | if ((LocalBbsTable[Index].BootPriority == BBS_IGNORE_ENTRY) ||\r | |
1410 | (LocalBbsTable[Index].BootPriority == BBS_DO_NOT_BOOT_FROM)\r | |
1411 | ) {\r | |
1412 | continue;\r | |
1413 | }\r | |
1414 | \r | |
1415 | switch (LocalBbsTable[Index].DeviceType) {\r | |
1416 | case BBS_FLOPPY:\r | |
1417 | Idx = &FDIndex;\r | |
1418 | NewDevPtr = NewFDPtr;\r | |
1419 | break;\r | |
1420 | \r | |
1421 | case BBS_HARDDISK:\r | |
1422 | Idx = &HDIndex;\r | |
1423 | NewDevPtr = NewHDPtr;\r | |
1424 | break;\r | |
1425 | \r | |
1426 | case BBS_CDROM:\r | |
1427 | Idx = &CDIndex;\r | |
1428 | NewDevPtr = NewCDPtr;\r | |
1429 | break;\r | |
1430 | \r | |
1431 | case BBS_EMBED_NETWORK:\r | |
1432 | Idx = &NETIndex;\r | |
1433 | NewDevPtr = NewNETPtr;\r | |
1434 | break;\r | |
1435 | \r | |
1436 | case BBS_BEV_DEVICE:\r | |
1437 | Idx = &BEVIndex;\r | |
1438 | NewDevPtr = NewBEVPtr;\r | |
1439 | break;\r | |
1440 | \r | |
1441 | default:\r | |
1442 | Idx = NULL;\r | |
1443 | break;\r | |
1444 | }\r | |
1445 | //\r | |
1446 | // at this point we have copied those valid indexes to new buffer\r | |
1447 | // and we should check if there is any new appeared boot device\r | |
1448 | //\r | |
22d1f978 | 1449 | if (Idx != NULL) {\r |
5c08e117 | 1450 | for (Index2 = 0; Index2 < *Idx; Index2++) {\r |
1451 | if ((NewDevPtr[Index2] & 0xFF) == (UINT16) Index) {\r | |
1452 | break;\r | |
1453 | }\r | |
1454 | }\r | |
1455 | \r | |
1456 | if (Index2 == *Idx) {\r | |
1457 | //\r | |
1458 | // Index2 == *Idx means we didn't find Index\r | |
1459 | // so Index is a new appeared device's index in BBS table\r | |
22d1f978 | 1460 | // insert it before disabled indexes.\r |
5c08e117 | 1461 | //\r |
22d1f978 RN |
1462 | for (Index2 = 0; Index2 < *Idx; Index2++) {\r |
1463 | if ((NewDevPtr[Index2] & 0xFF00) == 0xFF00) {\r | |
1464 | break;\r | |
1465 | }\r | |
5c08e117 | 1466 | }\r |
22d1f978 RN |
1467 | CopyMem (&NewDevPtr[Index2 + 1], &NewDevPtr[Index2], (*Idx - Index2) * sizeof (UINT16));\r |
1468 | NewDevPtr[Index2] = (UINT16) (Index & 0xFF);\r | |
1469 | (*Idx)++;\r | |
5c08e117 | 1470 | }\r |
1471 | }\r | |
1472 | }\r | |
1473 | \r | |
1474 | FreePool (DevOrder);\r | |
1475 | \r | |
1476 | Status = gRT->SetVariable (\r | |
1477 | VAR_LEGACY_DEV_ORDER,\r | |
1478 | &EfiLegacyDevOrderGuid,\r | |
1479 | VAR_FLAG,\r | |
1480 | TotalSize,\r | |
1481 | NewDevOrder\r | |
1482 | );\r | |
1483 | FreePool (NewDevOrder);\r | |
1484 | \r | |
1485 | return Status;\r | |
1486 | }\r | |
1487 | \r | |
1488 | /**\r | |
1489 | Set Boot Priority for specified device type.\r | |
1490 | \r | |
1491 | @param DeviceType The device type.\r | |
22d1f978 | 1492 | @param BbsIndex The BBS index to set the highest priority. Ignore when -1.\r |
5c08e117 | 1493 | @param LocalBbsTable The BBS table.\r |
1494 | @param Priority The prority table.\r | |
1495 | \r | |
e83c9064 LG |
1496 | @retval EFI_SUCCESS The function completes successfully.\r |
1497 | @retval EFI_NOT_FOUND Failed to find device.\r | |
1498 | @retval EFI_OUT_OF_RESOURCES Failed to get the efi variable of device order.\r | |
5c08e117 | 1499 | \r |
1500 | **/\r | |
1501 | EFI_STATUS\r | |
1502 | BdsSetBootPriority4SameTypeDev (\r | |
1503 | IN UINT16 DeviceType,\r | |
22d1f978 | 1504 | IN UINTN BbsIndex,\r |
5c08e117 | 1505 | IN OUT BBS_TABLE *LocalBbsTable,\r |
1506 | IN OUT UINT16 *Priority\r | |
1507 | )\r | |
1508 | {\r | |
22d1f978 RN |
1509 | BM_LEGACY_DEV_ORDER_CONTEXT *DevOrder;\r |
1510 | BM_LEGACY_DEV_ORDER_CONTEXT *DevOrderPtr;\r | |
1511 | UINTN DevOrderSize;\r | |
1512 | UINTN Index;\r | |
5c08e117 | 1513 | \r |
1514 | DevOrder = BdsLibGetVariableAndSize (\r | |
22d1f978 RN |
1515 | VAR_LEGACY_DEV_ORDER,\r |
1516 | &EfiLegacyDevOrderGuid,\r | |
1517 | &DevOrderSize\r | |
1518 | );\r | |
5c08e117 | 1519 | if (NULL == DevOrder) {\r |
1520 | return EFI_OUT_OF_RESOURCES;\r | |
1521 | }\r | |
1522 | \r | |
22d1f978 RN |
1523 | DevOrderPtr = DevOrder;\r |
1524 | while ((UINT8 *) DevOrderPtr < (UINT8 *) DevOrder + DevOrderSize) {\r | |
1525 | if (DevOrderPtr->BbsType == DeviceType) {\r | |
5c08e117 | 1526 | break;\r |
1527 | }\r | |
1528 | \r | |
22d1f978 | 1529 | DevOrderPtr = (BM_LEGACY_DEV_ORDER_CONTEXT *) ((UINT8 *) DevOrderPtr + sizeof (BBS_TYPE) + DevOrderPtr->Length);\r |
5c08e117 | 1530 | }\r |
1531 | \r | |
22d1f978 RN |
1532 | if ((UINT8 *) DevOrderPtr >= (UINT8 *) DevOrder + DevOrderSize) {\r |
1533 | FreePool (DevOrder);\r | |
5c08e117 | 1534 | return EFI_NOT_FOUND;\r |
1535 | }\r | |
1536 | \r | |
22d1f978 RN |
1537 | if (BbsIndex != (UINTN) -1) {\r |
1538 | LocalBbsTable[BbsIndex].BootPriority = *Priority;\r | |
1539 | (*Priority)++;\r | |
1540 | }\r | |
5c08e117 | 1541 | //\r |
1542 | // If the high byte of the DevIndex is 0xFF, it indicates that this device has been disabled.\r | |
1543 | //\r | |
22d1f978 RN |
1544 | for (Index = 0; Index < DevOrderPtr->Length / sizeof (UINT16) - 1; Index++) {\r |
1545 | if ((DevOrderPtr->Data[Index] & 0xFF00) == 0xFF00) {\r | |
5c08e117 | 1546 | //\r |
1547 | // LocalBbsTable[DevIndex[Index] & 0xFF].BootPriority = BBS_DISABLED_ENTRY;\r | |
1548 | //\r | |
22d1f978 RN |
1549 | } else if (DevOrderPtr->Data[Index] != BbsIndex) {\r |
1550 | LocalBbsTable[DevOrderPtr->Data[Index]].BootPriority = *Priority;\r | |
5c08e117 | 1551 | (*Priority)++;\r |
1552 | }\r | |
1553 | }\r | |
1554 | \r | |
22d1f978 | 1555 | FreePool (DevOrder);\r |
5c08e117 | 1556 | return EFI_SUCCESS;\r |
1557 | }\r | |
1558 | \r | |
1559 | /**\r | |
1560 | Print the BBS Table.\r | |
1561 | \r | |
1562 | @param LocalBbsTable The BBS table.\r | |
13078b3f | 1563 | @param BbsCount The count of entry in BBS table.\r |
5c08e117 | 1564 | **/\r |
1565 | VOID\r | |
1566 | PrintBbsTable (\r | |
d7d5db96 | 1567 | IN BBS_TABLE *LocalBbsTable,\r |
1568 | IN UINT16 BbsCount\r | |
5c08e117 | 1569 | )\r |
1570 | {\r | |
1571 | UINT16 Idx;\r | |
1572 | \r | |
1573 | DEBUG ((DEBUG_ERROR, "\n"));\r | |
1574 | DEBUG ((DEBUG_ERROR, " NO Prio bb/dd/ff cl/sc Type Stat segm:offs\n"));\r | |
1575 | DEBUG ((DEBUG_ERROR, "=============================================\n"));\r | |
d7d5db96 | 1576 | for (Idx = 0; Idx < BbsCount; Idx++) {\r |
5c08e117 | 1577 | if ((LocalBbsTable[Idx].BootPriority == BBS_IGNORE_ENTRY) ||\r |
1578 | (LocalBbsTable[Idx].BootPriority == BBS_DO_NOT_BOOT_FROM) ||\r | |
1579 | (LocalBbsTable[Idx].BootPriority == BBS_LOWEST_PRIORITY)\r | |
1580 | ) {\r | |
1581 | continue;\r | |
1582 | }\r | |
1583 | \r | |
1584 | DEBUG (\r | |
1585 | (DEBUG_ERROR,\r | |
1586 | " %02x: %04x %02x/%02x/%02x %02x/%02x %04x %04x %04x:%04x\n",\r | |
1587 | (UINTN) Idx,\r | |
1588 | (UINTN) LocalBbsTable[Idx].BootPriority,\r | |
1589 | (UINTN) LocalBbsTable[Idx].Bus,\r | |
1590 | (UINTN) LocalBbsTable[Idx].Device,\r | |
1591 | (UINTN) LocalBbsTable[Idx].Function,\r | |
1592 | (UINTN) LocalBbsTable[Idx].Class,\r | |
1593 | (UINTN) LocalBbsTable[Idx].SubClass,\r | |
1594 | (UINTN) LocalBbsTable[Idx].DeviceType,\r | |
1595 | (UINTN) * (UINT16 *) &LocalBbsTable[Idx].StatusFlags,\r | |
1596 | (UINTN) LocalBbsTable[Idx].BootHandlerSegment,\r | |
1597 | (UINTN) LocalBbsTable[Idx].BootHandlerOffset,\r | |
1598 | (UINTN) ((LocalBbsTable[Idx].MfgStringSegment << 4) + LocalBbsTable[Idx].MfgStringOffset),\r | |
1599 | (UINTN) ((LocalBbsTable[Idx].DescStringSegment << 4) + LocalBbsTable[Idx].DescStringOffset))\r | |
1600 | );\r | |
1601 | }\r | |
1602 | \r | |
1603 | DEBUG ((DEBUG_ERROR, "\n"));\r | |
1604 | }\r | |
1605 | \r | |
1606 | /**\r | |
5c08e117 | 1607 | Set the boot priority for BBS entries based on boot option entry and boot order.\r |
1608 | \r | |
1609 | @param Entry The boot option is to be checked for refresh BBS table.\r | |
1610 | \r | |
e83c9064 LG |
1611 | @retval EFI_SUCCESS The boot priority for BBS entries is refreshed successfully.\r |
1612 | @retval EFI_NOT_FOUND BBS entries can't be found.\r | |
1613 | @retval EFI_OUT_OF_RESOURCES Failed to get the legacy device boot order.\r | |
5c08e117 | 1614 | **/\r |
1615 | EFI_STATUS\r | |
6ba0bc7c | 1616 | EFIAPI\r |
5c08e117 | 1617 | BdsRefreshBbsTableForBoot (\r |
1618 | IN BDS_COMMON_OPTION *Entry\r | |
1619 | )\r | |
1620 | {\r | |
1621 | EFI_STATUS Status;\r | |
22d1f978 | 1622 | UINT16 BbsIndex;\r |
5c08e117 | 1623 | UINT16 HddCount;\r |
1624 | UINT16 BbsCount;\r | |
1625 | HDD_INFO *LocalHddInfo;\r | |
1626 | BBS_TABLE *LocalBbsTable;\r | |
1627 | UINT16 DevType;\r | |
1628 | EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;\r | |
1629 | UINTN Index;\r | |
1630 | UINT16 Priority;\r | |
1631 | UINT16 *BootOrder;\r | |
1632 | UINTN BootOrderSize;\r | |
1633 | UINT8 *BootOptionVar;\r | |
1634 | UINTN BootOptionSize;\r | |
22d1f978 | 1635 | CHAR16 BootOption[9];\r |
5c08e117 | 1636 | UINT8 *Ptr;\r |
1637 | UINT16 DevPathLen;\r | |
1638 | EFI_DEVICE_PATH_PROTOCOL *DevPath;\r | |
22d1f978 RN |
1639 | UINT16 *DeviceType;\r |
1640 | UINTN DeviceTypeCount;\r | |
1641 | UINTN DeviceTypeIndex;\r | |
5c08e117 | 1642 | \r |
1643 | HddCount = 0;\r | |
1644 | BbsCount = 0;\r | |
1645 | LocalHddInfo = NULL;\r | |
1646 | LocalBbsTable = NULL;\r | |
1647 | DevType = BBS_UNKNOWN;\r | |
1648 | \r | |
1649 | Status = EfiLibLocateProtocol (&gEfiLegacyBiosProtocolGuid, (VOID **) &LegacyBios);\r | |
1650 | if (EFI_ERROR (Status)) {\r | |
1651 | return Status;\r | |
1652 | }\r | |
1653 | \r | |
1654 | LegacyBios->GetBbsInfo (\r | |
1655 | LegacyBios,\r | |
1656 | &HddCount,\r | |
1657 | &LocalHddInfo,\r | |
1658 | &BbsCount,\r | |
1659 | &LocalBbsTable\r | |
1660 | );\r | |
1661 | //\r | |
1662 | // First, set all the present devices' boot priority to BBS_UNPRIORITIZED_ENTRY\r | |
1663 | // We will set them according to the settings setup by user\r | |
1664 | //\r | |
1665 | for (Index = 0; Index < BbsCount; Index++) {\r | |
1666 | if (!((BBS_IGNORE_ENTRY == LocalBbsTable[Index].BootPriority) ||\r | |
1667 | (BBS_DO_NOT_BOOT_FROM == LocalBbsTable[Index].BootPriority) ||\r | |
1668 | (BBS_LOWEST_PRIORITY == LocalBbsTable[Index].BootPriority))) {\r | |
1669 | LocalBbsTable[Index].BootPriority = BBS_UNPRIORITIZED_ENTRY;\r | |
1670 | }\r | |
1671 | }\r | |
1672 | //\r | |
1673 | // boot priority always starts at 0\r | |
1674 | //\r | |
1675 | Priority = 0;\r | |
1676 | if (Entry->LoadOptionsSize == sizeof (BBS_TABLE) + sizeof (UINT16)) {\r | |
1677 | //\r | |
1678 | // If Entry stands for a legacy boot option, we prioritize the devices with the same type first.\r | |
1679 | //\r | |
22d1f978 RN |
1680 | DevType = ((BBS_TABLE *) Entry->LoadOptions)->DeviceType;\r |
1681 | BbsIndex = *(UINT16 *) ((BBS_TABLE *) Entry->LoadOptions + 1);\r | |
5c08e117 | 1682 | Status = BdsSetBootPriority4SameTypeDev (\r |
1683 | DevType,\r | |
22d1f978 | 1684 | BbsIndex,\r |
5c08e117 | 1685 | LocalBbsTable,\r |
1686 | &Priority\r | |
1687 | );\r | |
1688 | if (EFI_ERROR (Status)) {\r | |
1689 | return Status;\r | |
1690 | }\r | |
1691 | }\r | |
1692 | //\r | |
1693 | // we have to set the boot priority for other BBS entries with different device types\r | |
1694 | //\r | |
22d1f978 RN |
1695 | BootOrder = BdsLibGetVariableAndSize (\r |
1696 | L"BootOrder",\r | |
1697 | &gEfiGlobalVariableGuid,\r | |
1698 | &BootOrderSize\r | |
1699 | );\r | |
1700 | DeviceType = AllocatePool (BootOrderSize + sizeof (UINT16));\r | |
1701 | ASSERT (DeviceType != NULL);\r | |
1702 | \r | |
1703 | DeviceType[0] = DevType;\r | |
1704 | DeviceTypeCount = 1;\r | |
5c08e117 | 1705 | for (Index = 0; ((BootOrder != NULL) && (Index < BootOrderSize / sizeof (UINT16))); Index++) {\r |
1706 | UnicodeSPrint (BootOption, sizeof (BootOption), L"Boot%04x", BootOrder[Index]);\r | |
1707 | BootOptionVar = BdsLibGetVariableAndSize (\r | |
1708 | BootOption,\r | |
1709 | &gEfiGlobalVariableGuid,\r | |
1710 | &BootOptionSize\r | |
1711 | );\r | |
1712 | if (NULL == BootOptionVar) {\r | |
1713 | continue;\r | |
1714 | }\r | |
1715 | \r | |
1716 | Ptr = BootOptionVar;\r | |
1717 | \r | |
1718 | Ptr += sizeof (UINT32);\r | |
1719 | DevPathLen = *(UINT16 *) Ptr;\r | |
1720 | Ptr += sizeof (UINT16);\r | |
1721 | Ptr += StrSize ((UINT16 *) Ptr);\r | |
1722 | DevPath = (EFI_DEVICE_PATH_PROTOCOL *) Ptr;\r | |
1723 | if (BBS_DEVICE_PATH != DevPath->Type || BBS_BBS_DP != DevPath->SubType) {\r | |
1724 | FreePool (BootOptionVar);\r | |
1725 | continue;\r | |
1726 | }\r | |
1727 | \r | |
1728 | Ptr += DevPathLen;\r | |
22d1f978 RN |
1729 | DevType = ((BBS_TABLE *) Ptr)->DeviceType;\r |
1730 | for (DeviceTypeIndex = 0; DeviceTypeIndex < DeviceTypeCount; DeviceTypeIndex++) {\r | |
1731 | if (DeviceType[DeviceTypeIndex] == DevType) {\r | |
1732 | break;\r | |
1733 | }\r | |
1734 | }\r | |
1735 | if (DeviceTypeIndex < DeviceTypeCount) {\r | |
5c08e117 | 1736 | //\r |
1737 | // We don't want to process twice for a device type\r | |
1738 | //\r | |
1739 | FreePool (BootOptionVar);\r | |
1740 | continue;\r | |
1741 | }\r | |
1742 | \r | |
22d1f978 RN |
1743 | DeviceType[DeviceTypeCount] = DevType;\r |
1744 | DeviceTypeCount++;\r | |
1745 | \r | |
5c08e117 | 1746 | Status = BdsSetBootPriority4SameTypeDev (\r |
22d1f978 RN |
1747 | DevType,\r |
1748 | (UINTN) -1,\r | |
5c08e117 | 1749 | LocalBbsTable,\r |
1750 | &Priority\r | |
1751 | );\r | |
1752 | FreePool (BootOptionVar);\r | |
1753 | if (EFI_ERROR (Status)) {\r | |
1754 | break;\r | |
1755 | }\r | |
1756 | }\r | |
1757 | \r | |
1758 | if (BootOrder != NULL) {\r | |
1759 | FreePool (BootOrder);\r | |
1760 | }\r | |
1761 | \r | |
1762 | DEBUG_CODE_BEGIN();\r | |
d7d5db96 | 1763 | PrintBbsTable (LocalBbsTable, BbsCount);\r |
5c08e117 | 1764 | DEBUG_CODE_END();\r |
1765 | \r | |
1766 | return Status;\r | |
1767 | }\r |