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067ed98a RN |
1 | /** @file\r |
2 | Library functions which relates with booting.\r | |
3 | \r | |
4 | Copyright (c) 2011 - 2015, Intel Corporation. All rights reserved.<BR>\r | |
5d3a9896 | 5 | (C) Copyright 2015 Hewlett Packard Enterprise Development LP<BR>\r |
067ed98a RN |
6 | This program and the accompanying materials\r |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
14 | **/\r | |
15 | \r | |
16 | #include "InternalBm.h"\r | |
17 | \r | |
18 | #define VENDOR_IDENTIFICATION_OFFSET 3\r | |
19 | #define VENDOR_IDENTIFICATION_LENGTH 8\r | |
20 | #define PRODUCT_IDENTIFICATION_OFFSET 11\r | |
21 | #define PRODUCT_IDENTIFICATION_LENGTH 16\r | |
22 | \r | |
23 | CONST UINT16 mBmUsbLangId = 0x0409; // English\r | |
24 | CHAR16 mBmUefiPrefix[] = L"UEFI ";\r | |
25 | \r | |
26 | EFI_BOOT_MANAGER_REFRESH_LEGACY_BOOT_OPTION mBmRefreshLegacyBootOption = NULL;\r | |
27 | EFI_BOOT_MANAGER_LEGACY_BOOT mBmLegacyBoot = NULL;\r | |
28 | \r | |
f41c71d2 RN |
29 | LIST_ENTRY mPlatformBootDescriptionHandlers = INITIALIZE_LIST_HEAD_VARIABLE (mPlatformBootDescriptionHandlers);\r |
30 | \r | |
067ed98a RN |
31 | ///\r |
32 | /// This GUID is used for an EFI Variable that stores the front device pathes\r | |
33 | /// for a partial device path that starts with the HD node.\r | |
34 | ///\r | |
35 | EFI_GUID mBmHardDriveBootVariableGuid = { 0xfab7e9e1, 0x39dd, 0x4f2b, { 0x84, 0x08, 0xe2, 0x0e, 0x90, 0x6c, 0xb6, 0xde } };\r | |
36 | EFI_GUID mBmAutoCreateBootOptionGuid = { 0x8108ac4e, 0x9f11, 0x4d59, { 0x85, 0x0e, 0xe2, 0x1a, 0x52, 0x2c, 0x59, 0xb2 } };\r | |
37 | \r | |
38 | /**\r | |
39 | The function registers the legacy boot support capabilities.\r | |
40 | \r | |
41 | @param RefreshLegacyBootOption The function pointer to create all the legacy boot options.\r | |
42 | @param LegacyBoot The function pointer to boot the legacy boot option.\r | |
43 | **/\r | |
44 | VOID\r | |
45 | EFIAPI\r | |
46 | EfiBootManagerRegisterLegacyBootSupport (\r | |
47 | EFI_BOOT_MANAGER_REFRESH_LEGACY_BOOT_OPTION RefreshLegacyBootOption,\r | |
48 | EFI_BOOT_MANAGER_LEGACY_BOOT LegacyBoot\r | |
49 | )\r | |
50 | {\r | |
51 | mBmRefreshLegacyBootOption = RefreshLegacyBootOption;\r | |
52 | mBmLegacyBoot = LegacyBoot;\r | |
53 | }\r | |
54 | \r | |
55 | /**\r | |
56 | For a bootable Device path, return its boot type.\r | |
57 | \r | |
58 | @param DevicePath The bootable device Path to check\r | |
59 | \r | |
60 | @retval AcpiFloppyBoot If given device path contains ACPI_DEVICE_PATH type device path node\r | |
61 | which HID is floppy device.\r | |
62 | @retval MessageAtapiBoot If given device path contains MESSAGING_DEVICE_PATH type device path node\r | |
63 | and its last device path node's subtype is MSG_ATAPI_DP.\r | |
64 | @retval MessageSataBoot If given device path contains MESSAGING_DEVICE_PATH type device path node\r | |
65 | and its last device path node's subtype is MSG_SATA_DP.\r | |
66 | @retval MessageScsiBoot If given device path contains MESSAGING_DEVICE_PATH type device path node\r | |
67 | and its last device path node's subtype is MSG_SCSI_DP.\r | |
68 | @retval MessageUsbBoot If given device path contains MESSAGING_DEVICE_PATH type device path node\r | |
69 | and its last device path node's subtype is MSG_USB_DP.\r | |
70 | @retval MessageNetworkBoot If given device path contains MESSAGING_DEVICE_PATH type device path node\r | |
71 | and its last device path node's subtype is MSG_MAC_ADDR_DP, MSG_VLAN_DP,\r | |
72 | MSG_IPv4_DP or MSG_IPv6_DP.\r | |
ebf735f1 RN |
73 | @retval MessageHttpBoot If given device path contains MESSAGING_DEVICE_PATH type device path node\r |
74 | and its last device path node's subtype is MSG_URI_DP.\r | |
067ed98a RN |
75 | @retval UnsupportedBoot If tiven device path doesn't match the above condition, it's not supported.\r |
76 | \r | |
77 | **/\r | |
78 | BM_BOOT_TYPE\r | |
79 | BmDevicePathType (\r | |
80 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath\r | |
81 | )\r | |
82 | {\r | |
83 | EFI_DEVICE_PATH_PROTOCOL *Node;\r | |
84 | EFI_DEVICE_PATH_PROTOCOL *NextNode;\r | |
85 | \r | |
86 | ASSERT (DevicePath != NULL);\r | |
87 | \r | |
88 | for (Node = DevicePath; !IsDevicePathEndType (Node); Node = NextDevicePathNode (Node)) {\r | |
89 | switch (DevicePathType (Node)) {\r | |
90 | \r | |
91 | case ACPI_DEVICE_PATH:\r | |
92 | if (EISA_ID_TO_NUM (((ACPI_HID_DEVICE_PATH *) Node)->HID) == 0x0604) {\r | |
93 | return BmAcpiFloppyBoot;\r | |
94 | }\r | |
95 | break;\r | |
96 | \r | |
97 | case HARDWARE_DEVICE_PATH:\r | |
98 | if (DevicePathSubType (Node) == HW_CONTROLLER_DP) {\r | |
99 | return BmHardwareDeviceBoot;\r | |
100 | }\r | |
101 | break;\r | |
102 | \r | |
103 | case MESSAGING_DEVICE_PATH:\r | |
104 | //\r | |
105 | // Skip LUN device node\r | |
106 | //\r | |
107 | NextNode = Node;\r | |
108 | do {\r | |
109 | NextNode = NextDevicePathNode (NextNode);\r | |
110 | } while (\r | |
111 | (DevicePathType (NextNode) == MESSAGING_DEVICE_PATH) &&\r | |
112 | (DevicePathSubType(NextNode) == MSG_DEVICE_LOGICAL_UNIT_DP)\r | |
113 | );\r | |
114 | \r | |
115 | //\r | |
116 | // If the device path not only point to driver device, it is not a messaging device path,\r | |
117 | //\r | |
118 | if (!IsDevicePathEndType (NextNode)) {\r | |
ebf735f1 | 119 | continue;\r |
067ed98a RN |
120 | }\r |
121 | \r | |
122 | switch (DevicePathSubType (Node)) {\r | |
123 | case MSG_ATAPI_DP:\r | |
124 | return BmMessageAtapiBoot;\r | |
125 | break;\r | |
126 | \r | |
127 | case MSG_SATA_DP:\r | |
128 | return BmMessageSataBoot;\r | |
129 | break;\r | |
130 | \r | |
131 | case MSG_USB_DP:\r | |
132 | return BmMessageUsbBoot;\r | |
133 | break;\r | |
134 | \r | |
135 | case MSG_SCSI_DP:\r | |
136 | return BmMessageScsiBoot;\r | |
137 | break;\r | |
138 | \r | |
139 | case MSG_MAC_ADDR_DP:\r | |
140 | case MSG_VLAN_DP:\r | |
141 | case MSG_IPv4_DP:\r | |
142 | case MSG_IPv6_DP:\r | |
143 | return BmMessageNetworkBoot;\r | |
144 | break;\r | |
ebf735f1 RN |
145 | \r |
146 | case MSG_URI_DP:\r | |
147 | return BmMessageHttpBoot;\r | |
148 | break;\r | |
067ed98a RN |
149 | }\r |
150 | }\r | |
151 | }\r | |
152 | \r | |
153 | return BmMiscBoot;\r | |
154 | }\r | |
155 | \r | |
156 | /**\r | |
157 | Find the boot option in the NV storage and return the option number.\r | |
158 | \r | |
159 | @param OptionToFind Boot option to be checked.\r | |
160 | \r | |
161 | @return The option number of the found boot option.\r | |
162 | \r | |
163 | **/\r | |
164 | UINTN\r | |
165 | BmFindBootOptionInVariable (\r | |
166 | IN EFI_BOOT_MANAGER_LOAD_OPTION *OptionToFind\r | |
167 | )\r | |
168 | {\r | |
169 | EFI_STATUS Status;\r | |
170 | EFI_BOOT_MANAGER_LOAD_OPTION BootOption;\r | |
171 | UINTN OptionNumber;\r | |
172 | CHAR16 OptionName[BM_OPTION_NAME_LEN];\r | |
173 | EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions;\r | |
174 | UINTN BootOptionCount;\r | |
175 | UINTN Index;\r | |
176 | \r | |
177 | OptionNumber = LoadOptionNumberUnassigned;\r | |
178 | \r | |
179 | //\r | |
180 | // Try to match the variable exactly if the option number is assigned\r | |
181 | //\r | |
182 | if (OptionToFind->OptionNumber != LoadOptionNumberUnassigned) {\r | |
183 | UnicodeSPrint (\r | |
184 | OptionName, sizeof (OptionName), L"%s%04x",\r | |
185 | mBmLoadOptionName[OptionToFind->OptionType], OptionToFind->OptionNumber\r | |
186 | );\r | |
187 | Status = EfiBootManagerVariableToLoadOption (OptionName, &BootOption);\r | |
188 | \r | |
189 | if (!EFI_ERROR (Status)) {\r | |
190 | ASSERT (OptionToFind->OptionNumber == BootOption.OptionNumber);\r | |
191 | if ((OptionToFind->Attributes == BootOption.Attributes) &&\r | |
192 | (StrCmp (OptionToFind->Description, BootOption.Description) == 0) &&\r | |
193 | (CompareMem (OptionToFind->FilePath, BootOption.FilePath, GetDevicePathSize (OptionToFind->FilePath)) == 0) &&\r | |
194 | (OptionToFind->OptionalDataSize == BootOption.OptionalDataSize) &&\r | |
195 | (CompareMem (OptionToFind->OptionalData, BootOption.OptionalData, OptionToFind->OptionalDataSize) == 0)\r | |
196 | ) {\r | |
197 | OptionNumber = OptionToFind->OptionNumber;\r | |
198 | }\r | |
199 | EfiBootManagerFreeLoadOption (&BootOption);\r | |
200 | }\r | |
201 | }\r | |
202 | \r | |
203 | //\r | |
204 | // The option number assigned is either incorrect or unassigned.\r | |
205 | //\r | |
206 | if (OptionNumber == LoadOptionNumberUnassigned) {\r | |
207 | BootOptions = EfiBootManagerGetLoadOptions (&BootOptionCount, LoadOptionTypeBoot);\r | |
208 | \r | |
5d3a9896 | 209 | Index = EfiBootManagerFindLoadOption (OptionToFind, BootOptions, BootOptionCount);\r |
067ed98a RN |
210 | if (Index != -1) {\r |
211 | OptionNumber = BootOptions[Index].OptionNumber;\r | |
212 | }\r | |
213 | \r | |
214 | EfiBootManagerFreeLoadOptions (BootOptions, BootOptionCount);\r | |
215 | }\r | |
216 | \r | |
217 | return OptionNumber;\r | |
218 | }\r | |
219 | \r | |
220 | /**\r | |
221 | Get the file buffer using a Memory Mapped Device Path.\r | |
222 | \r | |
223 | FV address may change across reboot. This routine promises the FV file device path is right.\r | |
224 | \r | |
225 | @param DevicePath The Memory Mapped Device Path to get the file buffer.\r | |
226 | @param FullPath Receive the updated FV Device Path pointint to the file.\r | |
227 | @param FileSize Receive the file buffer size.\r | |
228 | \r | |
229 | @return The file buffer.\r | |
230 | **/\r | |
231 | VOID *\r | |
232 | BmGetFileBufferByMemmapFv (\r | |
233 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r | |
234 | OUT EFI_DEVICE_PATH_PROTOCOL **FullPath,\r | |
235 | OUT UINTN *FileSize\r | |
236 | )\r | |
237 | {\r | |
238 | EFI_STATUS Status;\r | |
239 | UINTN Index;\r | |
240 | EFI_DEVICE_PATH_PROTOCOL *FvFileNode;\r | |
241 | EFI_HANDLE FvHandle;\r | |
242 | EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;\r | |
243 | UINT32 AuthenticationStatus;\r | |
244 | UINTN FvHandleCount;\r | |
245 | EFI_HANDLE *FvHandles;\r | |
246 | EFI_DEVICE_PATH_PROTOCOL *NewDevicePath;\r | |
247 | VOID *FileBuffer;\r | |
248 | \r | |
249 | FvFileNode = DevicePath;\r | |
250 | Status = gBS->LocateDevicePath (&gEfiFirmwareVolume2ProtocolGuid, &FvFileNode, &FvHandle);\r | |
251 | if (!EFI_ERROR (Status)) {\r | |
252 | FileBuffer = GetFileBufferByFilePath (TRUE, DevicePath, FileSize, &AuthenticationStatus);\r | |
253 | if (FileBuffer != NULL) {\r | |
254 | *FullPath = DuplicateDevicePath (DevicePath);\r | |
255 | }\r | |
256 | return FileBuffer;\r | |
257 | }\r | |
258 | \r | |
259 | FvFileNode = NextDevicePathNode (DevicePath);\r | |
260 | \r | |
261 | //\r | |
262 | // Firstly find the FV file in current FV\r | |
263 | //\r | |
264 | gBS->HandleProtocol (\r | |
265 | gImageHandle,\r | |
266 | &gEfiLoadedImageProtocolGuid,\r | |
267 | (VOID **) &LoadedImage\r | |
268 | );\r | |
269 | NewDevicePath = AppendDevicePathNode (DevicePathFromHandle (LoadedImage->DeviceHandle), FvFileNode);\r | |
270 | FileBuffer = BmGetFileBufferByMemmapFv (NewDevicePath, FullPath, FileSize);\r | |
271 | FreePool (NewDevicePath);\r | |
272 | \r | |
273 | if (FileBuffer != NULL) {\r | |
274 | return FileBuffer;\r | |
275 | }\r | |
276 | \r | |
277 | //\r | |
278 | // Secondly find the FV file in all other FVs\r | |
279 | //\r | |
280 | gBS->LocateHandleBuffer (\r | |
281 | ByProtocol,\r | |
282 | &gEfiFirmwareVolume2ProtocolGuid,\r | |
283 | NULL,\r | |
284 | &FvHandleCount,\r | |
285 | &FvHandles\r | |
286 | );\r | |
287 | for (Index = 0; (Index < FvHandleCount) && (FileBuffer == NULL); Index++) {\r | |
288 | if (FvHandles[Index] == LoadedImage->DeviceHandle) {\r | |
289 | //\r | |
290 | // Skip current FV\r | |
291 | //\r | |
292 | continue;\r | |
293 | }\r | |
294 | NewDevicePath = AppendDevicePathNode (DevicePathFromHandle (FvHandles[Index]), FvFileNode);\r | |
295 | FileBuffer = BmGetFileBufferByMemmapFv (NewDevicePath, FullPath, FileSize);\r | |
296 | FreePool (NewDevicePath);\r | |
297 | }\r | |
298 | \r | |
299 | if (FvHandles != NULL) {\r | |
300 | FreePool (FvHandles);\r | |
301 | }\r | |
302 | return FileBuffer;\r | |
303 | }\r | |
304 | \r | |
305 | /**\r | |
306 | Check if it's a Memory Mapped FV Device Path.\r | |
307 | \r | |
308 | The function doesn't garentee the device path points to existing FV file.\r | |
309 | \r | |
310 | @param DevicePath Input device path.\r | |
311 | \r | |
312 | @retval TRUE The device path is a Memory Mapped FV Device Path.\r | |
313 | @retval FALSE The device path is NOT a Memory Mapped FV Device Path.\r | |
314 | **/\r | |
315 | BOOLEAN\r | |
316 | BmIsMemmapFvFilePath (\r | |
317 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath\r | |
318 | )\r | |
319 | {\r | |
320 | EFI_DEVICE_PATH_PROTOCOL *FileNode;\r | |
321 | \r | |
322 | if ((DevicePathType (DevicePath) == HARDWARE_DEVICE_PATH) && (DevicePathSubType (DevicePath) == HW_MEMMAP_DP)) {\r | |
323 | FileNode = NextDevicePathNode (DevicePath);\r | |
324 | if ((DevicePathType (FileNode) == MEDIA_DEVICE_PATH) && (DevicePathSubType (FileNode) == MEDIA_PIWG_FW_FILE_DP)) {\r | |
325 | return IsDevicePathEnd (NextDevicePathNode (FileNode));\r | |
326 | }\r | |
327 | }\r | |
328 | \r | |
329 | return FALSE;\r | |
330 | }\r | |
331 | \r | |
332 | /**\r | |
333 | Check whether a USB device match the specified USB Class device path. This\r | |
334 | function follows "Load Option Processing" behavior in UEFI specification.\r | |
335 | \r | |
336 | @param UsbIo USB I/O protocol associated with the USB device.\r | |
337 | @param UsbClass The USB Class device path to match.\r | |
338 | \r | |
339 | @retval TRUE The USB device match the USB Class device path.\r | |
340 | @retval FALSE The USB device does not match the USB Class device path.\r | |
341 | \r | |
342 | **/\r | |
343 | BOOLEAN\r | |
344 | BmMatchUsbClass (\r | |
345 | IN EFI_USB_IO_PROTOCOL *UsbIo,\r | |
346 | IN USB_CLASS_DEVICE_PATH *UsbClass\r | |
347 | )\r | |
348 | {\r | |
349 | EFI_STATUS Status;\r | |
350 | EFI_USB_DEVICE_DESCRIPTOR DevDesc;\r | |
351 | EFI_USB_INTERFACE_DESCRIPTOR IfDesc;\r | |
352 | UINT8 DeviceClass;\r | |
353 | UINT8 DeviceSubClass;\r | |
354 | UINT8 DeviceProtocol;\r | |
355 | \r | |
356 | if ((DevicePathType (UsbClass) != MESSAGING_DEVICE_PATH) ||\r | |
357 | (DevicePathSubType (UsbClass) != MSG_USB_CLASS_DP)){\r | |
358 | return FALSE;\r | |
359 | }\r | |
360 | \r | |
361 | //\r | |
362 | // Check Vendor Id and Product Id.\r | |
363 | //\r | |
364 | Status = UsbIo->UsbGetDeviceDescriptor (UsbIo, &DevDesc);\r | |
365 | if (EFI_ERROR (Status)) {\r | |
366 | return FALSE;\r | |
367 | }\r | |
368 | \r | |
369 | if ((UsbClass->VendorId != 0xffff) &&\r | |
370 | (UsbClass->VendorId != DevDesc.IdVendor)) {\r | |
371 | return FALSE;\r | |
372 | }\r | |
373 | \r | |
374 | if ((UsbClass->ProductId != 0xffff) &&\r | |
375 | (UsbClass->ProductId != DevDesc.IdProduct)) {\r | |
376 | return FALSE;\r | |
377 | }\r | |
378 | \r | |
379 | DeviceClass = DevDesc.DeviceClass;\r | |
380 | DeviceSubClass = DevDesc.DeviceSubClass;\r | |
381 | DeviceProtocol = DevDesc.DeviceProtocol;\r | |
382 | if (DeviceClass == 0) {\r | |
383 | //\r | |
384 | // If Class in Device Descriptor is set to 0, use the Class, SubClass and\r | |
385 | // Protocol in Interface Descriptor instead.\r | |
386 | //\r | |
387 | Status = UsbIo->UsbGetInterfaceDescriptor (UsbIo, &IfDesc);\r | |
388 | if (EFI_ERROR (Status)) {\r | |
389 | return FALSE;\r | |
390 | }\r | |
391 | \r | |
392 | DeviceClass = IfDesc.InterfaceClass;\r | |
393 | DeviceSubClass = IfDesc.InterfaceSubClass;\r | |
394 | DeviceProtocol = IfDesc.InterfaceProtocol;\r | |
395 | }\r | |
396 | \r | |
397 | //\r | |
398 | // Check Class, SubClass and Protocol.\r | |
399 | //\r | |
400 | if ((UsbClass->DeviceClass != 0xff) &&\r | |
401 | (UsbClass->DeviceClass != DeviceClass)) {\r | |
402 | return FALSE;\r | |
403 | }\r | |
404 | \r | |
405 | if ((UsbClass->DeviceSubClass != 0xff) &&\r | |
406 | (UsbClass->DeviceSubClass != DeviceSubClass)) {\r | |
407 | return FALSE;\r | |
408 | }\r | |
409 | \r | |
410 | if ((UsbClass->DeviceProtocol != 0xff) &&\r | |
411 | (UsbClass->DeviceProtocol != DeviceProtocol)) {\r | |
412 | return FALSE;\r | |
413 | }\r | |
414 | \r | |
415 | return TRUE;\r | |
416 | }\r | |
417 | \r | |
418 | /**\r | |
419 | Eliminate the extra spaces in the Str to one space.\r | |
420 | \r | |
421 | @param Str Input string info.\r | |
422 | **/\r | |
423 | VOID\r | |
424 | BmEliminateExtraSpaces (\r | |
425 | IN CHAR16 *Str\r | |
426 | )\r | |
427 | {\r | |
428 | UINTN Index;\r | |
429 | UINTN ActualIndex;\r | |
430 | \r | |
431 | for (Index = 0, ActualIndex = 0; Str[Index] != L'\0'; Index++) {\r | |
432 | if ((Str[Index] != L' ') || ((ActualIndex > 0) && (Str[ActualIndex - 1] != L' '))) {\r | |
433 | Str[ActualIndex++] = Str[Index];\r | |
434 | }\r | |
435 | }\r | |
436 | Str[ActualIndex] = L'\0';\r | |
437 | }\r | |
438 | \r | |
439 | /**\r | |
440 | Try to get the controller's ATA/ATAPI description.\r | |
441 | \r | |
442 | @param Handle Controller handle.\r | |
443 | \r | |
444 | @return The description string.\r | |
445 | **/\r | |
446 | CHAR16 *\r | |
447 | BmGetDescriptionFromDiskInfo (\r | |
448 | IN EFI_HANDLE Handle\r | |
449 | )\r | |
450 | {\r | |
451 | UINTN Index;\r | |
452 | EFI_STATUS Status;\r | |
453 | EFI_DISK_INFO_PROTOCOL *DiskInfo;\r | |
454 | UINT32 BufferSize;\r | |
455 | EFI_ATAPI_IDENTIFY_DATA IdentifyData;\r | |
456 | EFI_SCSI_INQUIRY_DATA InquiryData;\r | |
457 | CHAR16 *Description;\r | |
458 | UINTN Length;\r | |
459 | CONST UINTN ModelNameLength = 40;\r | |
460 | CONST UINTN SerialNumberLength = 20;\r | |
461 | CHAR8 *StrPtr;\r | |
462 | UINT8 Temp;\r | |
463 | \r | |
464 | Description = NULL;\r | |
465 | \r | |
466 | Status = gBS->HandleProtocol (\r | |
467 | Handle,\r | |
468 | &gEfiDiskInfoProtocolGuid,\r | |
469 | (VOID **) &DiskInfo\r | |
470 | );\r | |
471 | if (EFI_ERROR (Status)) {\r | |
472 | return NULL;\r | |
473 | }\r | |
474 | \r | |
475 | if (CompareGuid (&DiskInfo->Interface, &gEfiDiskInfoAhciInterfaceGuid) || \r | |
476 | CompareGuid (&DiskInfo->Interface, &gEfiDiskInfoIdeInterfaceGuid)) {\r | |
477 | BufferSize = sizeof (EFI_ATAPI_IDENTIFY_DATA);\r | |
478 | Status = DiskInfo->Identify (\r | |
479 | DiskInfo,\r | |
480 | &IdentifyData,\r | |
481 | &BufferSize\r | |
482 | );\r | |
483 | if (!EFI_ERROR (Status)) {\r | |
484 | Description = AllocateZeroPool ((ModelNameLength + SerialNumberLength + 2) * sizeof (CHAR16));\r | |
485 | ASSERT (Description != NULL);\r | |
486 | for (Index = 0; Index + 1 < ModelNameLength; Index += 2) {\r | |
487 | Description[Index] = (CHAR16) IdentifyData.ModelName[Index + 1];\r | |
488 | Description[Index + 1] = (CHAR16) IdentifyData.ModelName[Index];\r | |
489 | }\r | |
490 | \r | |
491 | Length = Index;\r | |
492 | Description[Length++] = L' ';\r | |
493 | \r | |
494 | for (Index = 0; Index + 1 < SerialNumberLength; Index += 2) {\r | |
495 | Description[Length + Index] = (CHAR16) IdentifyData.SerialNo[Index + 1];\r | |
496 | Description[Length + Index + 1] = (CHAR16) IdentifyData.SerialNo[Index];\r | |
497 | }\r | |
498 | Length += Index;\r | |
499 | Description[Length++] = L'\0';\r | |
500 | ASSERT (Length == ModelNameLength + SerialNumberLength + 2);\r | |
501 | \r | |
502 | BmEliminateExtraSpaces (Description);\r | |
503 | }\r | |
504 | } else if (CompareGuid (&DiskInfo->Interface, &gEfiDiskInfoScsiInterfaceGuid)) {\r | |
505 | BufferSize = sizeof (EFI_SCSI_INQUIRY_DATA);\r | |
506 | Status = DiskInfo->Inquiry (\r | |
507 | DiskInfo,\r | |
508 | &InquiryData,\r | |
509 | &BufferSize\r | |
510 | );\r | |
511 | if (!EFI_ERROR (Status)) {\r | |
512 | Description = AllocateZeroPool ((VENDOR_IDENTIFICATION_LENGTH + PRODUCT_IDENTIFICATION_LENGTH + 2) * sizeof (CHAR16));\r | |
513 | ASSERT (Description != NULL);\r | |
514 | \r | |
515 | //\r | |
516 | // Per SCSI spec, EFI_SCSI_INQUIRY_DATA.Reserved_5_95[3 - 10] save the Verdor identification\r | |
517 | // EFI_SCSI_INQUIRY_DATA.Reserved_5_95[11 - 26] save the product identification, \r | |
518 | // Here combine the vendor identification and product identification to the description.\r | |
519 | //\r | |
520 | StrPtr = (CHAR8 *) (&InquiryData.Reserved_5_95[VENDOR_IDENTIFICATION_OFFSET]);\r | |
521 | Temp = StrPtr[VENDOR_IDENTIFICATION_LENGTH];\r | |
522 | StrPtr[VENDOR_IDENTIFICATION_LENGTH] = '\0';\r | |
523 | AsciiStrToUnicodeStr (StrPtr, Description);\r | |
524 | StrPtr[VENDOR_IDENTIFICATION_LENGTH] = Temp;\r | |
525 | \r | |
526 | //\r | |
527 | // Add one space at the middle of vendor information and product information.\r | |
528 | //\r | |
529 | Description[VENDOR_IDENTIFICATION_LENGTH] = L' ';\r | |
530 | \r | |
531 | StrPtr = (CHAR8 *) (&InquiryData.Reserved_5_95[PRODUCT_IDENTIFICATION_OFFSET]);\r | |
532 | StrPtr[PRODUCT_IDENTIFICATION_LENGTH] = '\0';\r | |
533 | AsciiStrToUnicodeStr (StrPtr, Description + VENDOR_IDENTIFICATION_LENGTH + 1);\r | |
534 | \r | |
535 | BmEliminateExtraSpaces (Description);\r | |
536 | }\r | |
537 | }\r | |
538 | \r | |
539 | return Description;\r | |
540 | }\r | |
541 | \r | |
542 | /**\r | |
543 | Try to get the controller's USB description.\r | |
544 | \r | |
545 | @param Handle Controller handle.\r | |
546 | \r | |
547 | @return The description string.\r | |
548 | **/\r | |
549 | CHAR16 *\r | |
550 | BmGetUsbDescription (\r | |
551 | IN EFI_HANDLE Handle\r | |
552 | )\r | |
553 | {\r | |
554 | EFI_STATUS Status;\r | |
555 | EFI_USB_IO_PROTOCOL *UsbIo;\r | |
556 | CHAR16 NullChar;\r | |
557 | CHAR16 *Manufacturer;\r | |
558 | CHAR16 *Product;\r | |
559 | CHAR16 *SerialNumber;\r | |
560 | CHAR16 *Description;\r | |
561 | EFI_USB_DEVICE_DESCRIPTOR DevDesc;\r | |
b6344b37 | 562 | UINTN DescMaxSize;\r |
067ed98a RN |
563 | \r |
564 | Status = gBS->HandleProtocol (\r | |
565 | Handle,\r | |
566 | &gEfiUsbIoProtocolGuid,\r | |
567 | (VOID **) &UsbIo\r | |
568 | );\r | |
569 | if (EFI_ERROR (Status)) {\r | |
570 | return NULL;\r | |
571 | }\r | |
572 | \r | |
573 | NullChar = L'\0';\r | |
574 | \r | |
575 | Status = UsbIo->UsbGetDeviceDescriptor (UsbIo, &DevDesc);\r | |
576 | if (EFI_ERROR (Status)) {\r | |
577 | return NULL;\r | |
578 | }\r | |
579 | \r | |
580 | Status = UsbIo->UsbGetStringDescriptor (\r | |
581 | UsbIo,\r | |
582 | mBmUsbLangId,\r | |
583 | DevDesc.StrManufacturer,\r | |
584 | &Manufacturer\r | |
585 | );\r | |
586 | if (EFI_ERROR (Status)) {\r | |
587 | Manufacturer = &NullChar;\r | |
588 | }\r | |
589 | \r | |
590 | Status = UsbIo->UsbGetStringDescriptor (\r | |
591 | UsbIo,\r | |
592 | mBmUsbLangId,\r | |
593 | DevDesc.StrProduct,\r | |
594 | &Product\r | |
595 | );\r | |
596 | if (EFI_ERROR (Status)) {\r | |
597 | Product = &NullChar;\r | |
598 | }\r | |
599 | \r | |
600 | Status = UsbIo->UsbGetStringDescriptor (\r | |
601 | UsbIo,\r | |
602 | mBmUsbLangId,\r | |
603 | DevDesc.StrSerialNumber,\r | |
604 | &SerialNumber\r | |
605 | );\r | |
606 | if (EFI_ERROR (Status)) {\r | |
607 | SerialNumber = &NullChar;\r | |
608 | }\r | |
609 | \r | |
610 | if ((Manufacturer == &NullChar) &&\r | |
611 | (Product == &NullChar) &&\r | |
612 | (SerialNumber == &NullChar)\r | |
613 | ) {\r | |
614 | return NULL;\r | |
615 | }\r | |
616 | \r | |
b6344b37 QS |
617 | DescMaxSize = StrSize (Manufacturer) + StrSize (Product) + StrSize (SerialNumber);\r |
618 | Description = AllocateZeroPool (DescMaxSize);\r | |
067ed98a | 619 | ASSERT (Description != NULL);\r |
b6344b37 QS |
620 | StrCatS (Description, DescMaxSize/sizeof(CHAR16), Manufacturer);\r |
621 | StrCatS (Description, DescMaxSize/sizeof(CHAR16), L" ");\r | |
067ed98a | 622 | \r |
b6344b37 QS |
623 | StrCatS (Description, DescMaxSize/sizeof(CHAR16), Product); \r |
624 | StrCatS (Description, DescMaxSize/sizeof(CHAR16), L" ");\r | |
067ed98a | 625 | \r |
b6344b37 | 626 | StrCatS (Description, DescMaxSize/sizeof(CHAR16), SerialNumber);\r |
067ed98a RN |
627 | \r |
628 | if (Manufacturer != &NullChar) {\r | |
629 | FreePool (Manufacturer);\r | |
630 | }\r | |
631 | if (Product != &NullChar) {\r | |
632 | FreePool (Product);\r | |
633 | }\r | |
634 | if (SerialNumber != &NullChar) {\r | |
635 | FreePool (SerialNumber);\r | |
636 | }\r | |
637 | \r | |
638 | BmEliminateExtraSpaces (Description);\r | |
639 | \r | |
640 | return Description;\r | |
641 | }\r | |
642 | \r | |
643 | /**\r | |
644 | Return the boot description for the controller based on the type.\r | |
645 | \r | |
646 | @param Handle Controller handle.\r | |
647 | \r | |
648 | @return The description string.\r | |
649 | **/\r | |
650 | CHAR16 *\r | |
651 | BmGetMiscDescription (\r | |
652 | IN EFI_HANDLE Handle\r | |
653 | )\r | |
654 | {\r | |
f41c71d2 RN |
655 | EFI_STATUS Status;\r |
656 | CHAR16 *Description;\r | |
657 | EFI_BLOCK_IO_PROTOCOL *BlockIo;\r | |
658 | EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *Fs;\r | |
067ed98a RN |
659 | \r |
660 | switch (BmDevicePathType (DevicePathFromHandle (Handle))) {\r | |
661 | case BmAcpiFloppyBoot:\r | |
662 | Description = L"Floppy";\r | |
663 | break;\r | |
664 | \r | |
665 | case BmMessageAtapiBoot:\r | |
666 | case BmMessageSataBoot:\r | |
667 | Status = gBS->HandleProtocol (Handle, &gEfiBlockIoProtocolGuid, (VOID **) &BlockIo);\r | |
668 | ASSERT_EFI_ERROR (Status);\r | |
669 | //\r | |
670 | // Assume a removable SATA device should be the DVD/CD device\r | |
671 | //\r | |
672 | Description = BlockIo->Media->RemovableMedia ? L"DVD/CDROM" : L"Hard Drive";\r | |
673 | break;\r | |
674 | \r | |
675 | case BmMessageUsbBoot:\r | |
676 | Description = L"USB Device";\r | |
677 | break;\r | |
678 | \r | |
679 | case BmMessageScsiBoot:\r | |
680 | Description = L"SCSI Device";\r | |
681 | break;\r | |
682 | \r | |
683 | case BmHardwareDeviceBoot:\r | |
684 | Status = gBS->HandleProtocol (Handle, &gEfiBlockIoProtocolGuid, (VOID **) &BlockIo);\r | |
685 | if (!EFI_ERROR (Status)) {\r | |
686 | Description = BlockIo->Media->RemovableMedia ? L"Removable Disk" : L"Hard Drive";\r | |
687 | } else {\r | |
688 | Description = L"Misc Device";\r | |
689 | }\r | |
690 | break;\r | |
691 | \r | |
f41c71d2 RN |
692 | case BmMessageNetworkBoot:\r |
693 | Description = L"Network";\r | |
694 | break;\r | |
695 | \r | |
ebf735f1 RN |
696 | case BmMessageHttpBoot:\r |
697 | Description = L"Http";\r | |
698 | break;\r | |
699 | \r | |
067ed98a | 700 | default:\r |
f41c71d2 RN |
701 | Status = gBS->HandleProtocol (Handle, &gEfiSimpleFileSystemProtocolGuid, (VOID **) &Fs);\r |
702 | if (!EFI_ERROR (Status)) {\r | |
703 | Description = L"Non-Block Boot Device";\r | |
704 | } else {\r | |
705 | Description = L"Misc Device";\r | |
706 | }\r | |
067ed98a RN |
707 | break;\r |
708 | }\r | |
709 | \r | |
710 | return AllocateCopyPool (StrSize (Description), Description);\r | |
711 | }\r | |
712 | \r | |
f41c71d2 RN |
713 | /**\r |
714 | Register the platform provided boot description handler.\r | |
715 | \r | |
716 | @param Handler The platform provided boot description handler\r | |
717 | \r | |
718 | @retval EFI_SUCCESS The handler was registered successfully.\r | |
719 | @retval EFI_ALREADY_STARTED The handler was already registered.\r | |
720 | @retval EFI_OUT_OF_RESOURCES There is not enough resource to perform the registration.\r | |
721 | **/\r | |
722 | EFI_STATUS\r | |
723 | EFIAPI\r | |
724 | EfiBootManagerRegisterBootDescriptionHandler (\r | |
725 | IN EFI_BOOT_MANAGER_BOOT_DESCRIPTION_HANDLER Handler\r | |
726 | )\r | |
727 | {\r | |
728 | LIST_ENTRY *Link;\r | |
729 | BM_BOOT_DESCRIPTION_ENTRY *Entry;\r | |
730 | \r | |
731 | for ( Link = GetFirstNode (&mPlatformBootDescriptionHandlers)\r | |
732 | ; !IsNull (&mPlatformBootDescriptionHandlers, Link)\r | |
733 | ; Link = GetNextNode (&mPlatformBootDescriptionHandlers, Link)\r | |
734 | ) {\r | |
735 | Entry = CR (Link, BM_BOOT_DESCRIPTION_ENTRY, Link, BM_BOOT_DESCRIPTION_ENTRY_SIGNATURE);\r | |
736 | if (Entry->Handler == Handler) {\r | |
737 | return EFI_ALREADY_STARTED;\r | |
738 | }\r | |
739 | }\r | |
740 | \r | |
741 | Entry = AllocatePool (sizeof (BM_BOOT_DESCRIPTION_ENTRY));\r | |
742 | if (Entry == NULL) {\r | |
743 | return EFI_OUT_OF_RESOURCES;\r | |
744 | }\r | |
745 | \r | |
746 | Entry->Signature = BM_BOOT_DESCRIPTION_ENTRY_SIGNATURE;\r | |
747 | Entry->Handler = Handler;\r | |
748 | InsertTailList (&mPlatformBootDescriptionHandlers, &Entry->Link);\r | |
749 | return EFI_SUCCESS;\r | |
750 | }\r | |
751 | \r | |
752 | BM_GET_BOOT_DESCRIPTION mBmBootDescriptionHandlers[] = {\r | |
067ed98a RN |
753 | BmGetUsbDescription,\r |
754 | BmGetDescriptionFromDiskInfo,\r | |
755 | BmGetMiscDescription\r | |
756 | };\r | |
757 | \r | |
f41c71d2 RN |
758 | /**\r |
759 | Return the boot description for the controller.\r | |
760 | \r | |
761 | @param Handle Controller handle.\r | |
762 | \r | |
763 | @return The description string.\r | |
764 | **/\r | |
765 | CHAR16 *\r | |
766 | BmGetBootDescription (\r | |
767 | IN EFI_HANDLE Handle\r | |
768 | )\r | |
769 | {\r | |
770 | LIST_ENTRY *Link;\r | |
771 | BM_BOOT_DESCRIPTION_ENTRY *Entry;\r | |
772 | CHAR16 *Description;\r | |
773 | CHAR16 *DefaultDescription;\r | |
774 | CHAR16 *Temp;\r | |
775 | UINTN Index;\r | |
776 | \r | |
777 | //\r | |
778 | // Firstly get the default boot description\r | |
779 | //\r | |
780 | DefaultDescription = NULL;\r | |
781 | for (Index = 0; Index < sizeof (mBmBootDescriptionHandlers) / sizeof (mBmBootDescriptionHandlers[0]); Index++) {\r | |
782 | DefaultDescription = mBmBootDescriptionHandlers[Index] (Handle);\r | |
783 | if (DefaultDescription != NULL) {\r | |
784 | //\r | |
785 | // Avoid description confusion between UEFI & Legacy boot option by adding "UEFI " prefix\r | |
786 | // ONLY for core provided boot description handler.\r | |
787 | //\r | |
788 | Temp = AllocatePool (StrSize (DefaultDescription) + sizeof (mBmUefiPrefix)); \r | |
789 | ASSERT (Temp != NULL);\r | |
b6344b37 QS |
790 | StrCpyS ( Temp, \r |
791 | (StrSize (DefaultDescription) + sizeof (mBmUefiPrefix))/sizeof(CHAR16), \r | |
792 | mBmUefiPrefix\r | |
793 | );\r | |
794 | StrCatS ( Temp, \r | |
795 | (StrSize (DefaultDescription) + sizeof (mBmUefiPrefix))/sizeof(CHAR16), \r | |
796 | DefaultDescription\r | |
797 | );\r | |
f41c71d2 RN |
798 | FreePool (DefaultDescription);\r |
799 | DefaultDescription = Temp;\r | |
800 | break;\r | |
801 | }\r | |
802 | }\r | |
803 | ASSERT (DefaultDescription != NULL);\r | |
804 | \r | |
805 | //\r | |
806 | // Secondly query platform for the better boot description\r | |
807 | //\r | |
808 | for ( Link = GetFirstNode (&mPlatformBootDescriptionHandlers)\r | |
809 | ; !IsNull (&mPlatformBootDescriptionHandlers, Link)\r | |
810 | ; Link = GetNextNode (&mPlatformBootDescriptionHandlers, Link)\r | |
811 | ) {\r | |
812 | Entry = CR (Link, BM_BOOT_DESCRIPTION_ENTRY, Link, BM_BOOT_DESCRIPTION_ENTRY_SIGNATURE);\r | |
813 | Description = Entry->Handler (Handle, DefaultDescription);\r | |
814 | if (Description != NULL) {\r | |
815 | FreePool (DefaultDescription);\r | |
816 | return Description;\r | |
817 | }\r | |
818 | }\r | |
819 | \r | |
820 | return DefaultDescription;\r | |
821 | }\r | |
822 | \r | |
067ed98a RN |
823 | /**\r |
824 | Check whether a USB device match the specified USB WWID device path. This\r | |
825 | function follows "Load Option Processing" behavior in UEFI specification.\r | |
826 | \r | |
827 | @param UsbIo USB I/O protocol associated with the USB device.\r | |
828 | @param UsbWwid The USB WWID device path to match.\r | |
829 | \r | |
830 | @retval TRUE The USB device match the USB WWID device path.\r | |
831 | @retval FALSE The USB device does not match the USB WWID device path.\r | |
832 | \r | |
833 | **/\r | |
834 | BOOLEAN\r | |
835 | BmMatchUsbWwid (\r | |
836 | IN EFI_USB_IO_PROTOCOL *UsbIo,\r | |
837 | IN USB_WWID_DEVICE_PATH *UsbWwid\r | |
838 | )\r | |
839 | {\r | |
840 | EFI_STATUS Status;\r | |
841 | EFI_USB_DEVICE_DESCRIPTOR DevDesc;\r | |
842 | EFI_USB_INTERFACE_DESCRIPTOR IfDesc;\r | |
843 | UINT16 *LangIdTable;\r | |
844 | UINT16 TableSize;\r | |
845 | UINT16 Index;\r | |
846 | CHAR16 *CompareStr;\r | |
847 | UINTN CompareLen;\r | |
848 | CHAR16 *SerialNumberStr;\r | |
849 | UINTN Length;\r | |
850 | \r | |
851 | if ((DevicePathType (UsbWwid) != MESSAGING_DEVICE_PATH) ||\r | |
852 | (DevicePathSubType (UsbWwid) != MSG_USB_WWID_DP)) {\r | |
853 | return FALSE;\r | |
854 | }\r | |
855 | \r | |
856 | //\r | |
857 | // Check Vendor Id and Product Id.\r | |
858 | //\r | |
859 | Status = UsbIo->UsbGetDeviceDescriptor (UsbIo, &DevDesc);\r | |
860 | if (EFI_ERROR (Status)) {\r | |
861 | return FALSE;\r | |
862 | }\r | |
863 | if ((DevDesc.IdVendor != UsbWwid->VendorId) ||\r | |
864 | (DevDesc.IdProduct != UsbWwid->ProductId)) {\r | |
865 | return FALSE;\r | |
866 | }\r | |
867 | \r | |
868 | //\r | |
869 | // Check Interface Number.\r | |
870 | //\r | |
871 | Status = UsbIo->UsbGetInterfaceDescriptor (UsbIo, &IfDesc);\r | |
872 | if (EFI_ERROR (Status)) {\r | |
873 | return FALSE;\r | |
874 | }\r | |
875 | if (IfDesc.InterfaceNumber != UsbWwid->InterfaceNumber) {\r | |
876 | return FALSE;\r | |
877 | }\r | |
878 | \r | |
879 | //\r | |
880 | // Check Serial Number.\r | |
881 | //\r | |
882 | if (DevDesc.StrSerialNumber == 0) {\r | |
883 | return FALSE;\r | |
884 | }\r | |
885 | \r | |
886 | //\r | |
887 | // Get all supported languages.\r | |
888 | //\r | |
889 | TableSize = 0;\r | |
890 | LangIdTable = NULL;\r | |
891 | Status = UsbIo->UsbGetSupportedLanguages (UsbIo, &LangIdTable, &TableSize);\r | |
892 | if (EFI_ERROR (Status) || (TableSize == 0) || (LangIdTable == NULL)) {\r | |
893 | return FALSE;\r | |
894 | }\r | |
895 | \r | |
896 | //\r | |
897 | // Serial number in USB WWID device path is the last 64-or-less UTF-16 characters.\r | |
898 | //\r | |
899 | CompareStr = (CHAR16 *) (UINTN) (UsbWwid + 1);\r | |
900 | CompareLen = (DevicePathNodeLength (UsbWwid) - sizeof (USB_WWID_DEVICE_PATH)) / sizeof (CHAR16);\r | |
901 | if (CompareStr[CompareLen - 1] == L'\0') {\r | |
902 | CompareLen--;\r | |
903 | }\r | |
904 | \r | |
905 | //\r | |
906 | // Compare serial number in each supported language.\r | |
907 | //\r | |
908 | for (Index = 0; Index < TableSize / sizeof (UINT16); Index++) {\r | |
909 | SerialNumberStr = NULL;\r | |
910 | Status = UsbIo->UsbGetStringDescriptor (\r | |
911 | UsbIo,\r | |
912 | LangIdTable[Index],\r | |
913 | DevDesc.StrSerialNumber,\r | |
914 | &SerialNumberStr\r | |
915 | );\r | |
916 | if (EFI_ERROR (Status) || (SerialNumberStr == NULL)) {\r | |
917 | continue;\r | |
918 | }\r | |
919 | \r | |
920 | Length = StrLen (SerialNumberStr);\r | |
921 | if ((Length >= CompareLen) &&\r | |
922 | (CompareMem (SerialNumberStr + Length - CompareLen, CompareStr, CompareLen * sizeof (CHAR16)) == 0)) {\r | |
923 | FreePool (SerialNumberStr);\r | |
924 | return TRUE;\r | |
925 | }\r | |
926 | \r | |
927 | FreePool (SerialNumberStr);\r | |
928 | }\r | |
929 | \r | |
930 | return FALSE;\r | |
931 | }\r | |
932 | \r | |
933 | /**\r | |
934 | Find a USB device which match the specified short-form device path start with \r | |
935 | USB Class or USB WWID device path. If ParentDevicePath is NULL, this function\r | |
936 | will search in all USB devices of the platform. If ParentDevicePath is not NULL,\r | |
937 | this function will only search in its child devices.\r | |
938 | \r | |
939 | @param DevicePath The device path that contains USB Class or USB WWID device path.\r | |
940 | @param ParentDevicePathSize The length of the device path before the USB Class or \r | |
941 | USB WWID device path.\r | |
942 | @param UsbIoHandleCount A pointer to the count of the returned USB IO handles.\r | |
943 | \r | |
944 | @retval NULL The matched USB IO handles cannot be found.\r | |
945 | @retval other The matched USB IO handles.\r | |
946 | \r | |
947 | **/\r | |
948 | EFI_HANDLE *\r | |
949 | BmFindUsbDevice (\r | |
950 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r | |
951 | IN UINTN ParentDevicePathSize,\r | |
952 | OUT UINTN *UsbIoHandleCount\r | |
953 | )\r | |
954 | {\r | |
955 | EFI_STATUS Status;\r | |
956 | EFI_HANDLE *UsbIoHandles;\r | |
957 | EFI_DEVICE_PATH_PROTOCOL *UsbIoDevicePath;\r | |
958 | EFI_USB_IO_PROTOCOL *UsbIo;\r | |
959 | UINTN Index;\r | |
067ed98a RN |
960 | BOOLEAN Matched;\r |
961 | \r | |
962 | ASSERT (UsbIoHandleCount != NULL); \r | |
963 | \r | |
964 | //\r | |
965 | // Get all UsbIo Handles.\r | |
966 | //\r | |
967 | Status = gBS->LocateHandleBuffer (\r | |
968 | ByProtocol,\r | |
969 | &gEfiUsbIoProtocolGuid,\r | |
970 | NULL,\r | |
971 | UsbIoHandleCount,\r | |
972 | &UsbIoHandles\r | |
973 | );\r | |
974 | if (EFI_ERROR (Status)) {\r | |
975 | *UsbIoHandleCount = 0;\r | |
976 | UsbIoHandles = NULL;\r | |
977 | }\r | |
978 | \r | |
979 | for (Index = 0; Index < *UsbIoHandleCount; ) {\r | |
980 | //\r | |
981 | // Get the Usb IO interface.\r | |
982 | //\r | |
983 | Status = gBS->HandleProtocol(\r | |
984 | UsbIoHandles[Index],\r | |
985 | &gEfiUsbIoProtocolGuid,\r | |
986 | (VOID **) &UsbIo\r | |
987 | );\r | |
988 | UsbIoDevicePath = DevicePathFromHandle (UsbIoHandles[Index]);\r | |
989 | Matched = FALSE;\r | |
990 | if (!EFI_ERROR (Status) && (UsbIoDevicePath != NULL)) {\r | |
067ed98a RN |
991 | \r |
992 | //\r | |
993 | // Compare starting part of UsbIoHandle's device path with ParentDevicePath.\r | |
994 | //\r | |
995 | if (CompareMem (UsbIoDevicePath, DevicePath, ParentDevicePathSize) == 0) {\r | |
996 | if (BmMatchUsbClass (UsbIo, (USB_CLASS_DEVICE_PATH *) ((UINTN) DevicePath + ParentDevicePathSize)) ||\r | |
997 | BmMatchUsbWwid (UsbIo, (USB_WWID_DEVICE_PATH *) ((UINTN) DevicePath + ParentDevicePathSize))) {\r | |
998 | Matched = TRUE;\r | |
999 | }\r | |
1000 | }\r | |
1001 | }\r | |
1002 | \r | |
1003 | if (!Matched) {\r | |
1004 | (*UsbIoHandleCount) --;\r | |
1005 | CopyMem (&UsbIoHandles[Index], &UsbIoHandles[Index + 1], (*UsbIoHandleCount - Index) * sizeof (EFI_HANDLE));\r | |
1006 | } else {\r | |
1007 | Index++;\r | |
1008 | }\r | |
1009 | }\r | |
1010 | \r | |
1011 | return UsbIoHandles;\r | |
1012 | }\r | |
1013 | \r | |
1014 | /**\r | |
1015 | Expand USB Class or USB WWID device path node to be full device path of a USB\r | |
1016 | device in platform.\r | |
1017 | \r | |
1018 | This function support following 4 cases:\r | |
1019 | 1) Boot Option device path starts with a USB Class or USB WWID device path,\r | |
1020 | and there is no Media FilePath device path in the end.\r | |
1021 | In this case, it will follow Removable Media Boot Behavior.\r | |
1022 | 2) Boot Option device path starts with a USB Class or USB WWID device path,\r | |
1023 | and ended with Media FilePath device path.\r | |
1024 | 3) Boot Option device path starts with a full device path to a USB Host Controller,\r | |
1025 | contains a USB Class or USB WWID device path node, while not ended with Media\r | |
1026 | FilePath device path. In this case, it will follow Removable Media Boot Behavior.\r | |
1027 | 4) Boot Option device path starts with a full device path to a USB Host Controller,\r | |
1028 | contains a USB Class or USB WWID device path node, and ended with Media\r | |
1029 | FilePath device path.\r | |
1030 | \r | |
1031 | @param FilePath The device path pointing to a load option.\r | |
1032 | It could be a short-form device path.\r | |
1033 | @param FullPath Return the full device path of the load option after\r | |
1034 | short-form device path expanding.\r | |
1035 | Caller is responsible to free it.\r | |
1036 | @param FileSize Return the load option size.\r | |
1037 | @param ShortformNode Pointer to the USB short-form device path node in the FilePath buffer.\r | |
1038 | \r | |
1039 | @return The load option buffer. Caller is responsible to free the memory.\r | |
1040 | **/\r | |
1041 | VOID *\r | |
1042 | BmExpandUsbDevicePath (\r | |
1043 | IN EFI_DEVICE_PATH_PROTOCOL *FilePath,\r | |
1044 | OUT EFI_DEVICE_PATH_PROTOCOL **FullPath,\r | |
1045 | OUT UINTN *FileSize,\r | |
1046 | IN EFI_DEVICE_PATH_PROTOCOL *ShortformNode\r | |
1047 | )\r | |
1048 | {\r | |
1049 | UINTN ParentDevicePathSize;\r | |
1050 | EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath;\r | |
1051 | EFI_DEVICE_PATH_PROTOCOL *FullDevicePath;\r | |
1052 | EFI_HANDLE *Handles;\r | |
1053 | UINTN HandleCount;\r | |
1054 | UINTN Index;\r | |
1055 | VOID *FileBuffer;\r | |
1056 | \r | |
1057 | ParentDevicePathSize = (UINTN) ShortformNode - (UINTN) FilePath;\r | |
1058 | RemainingDevicePath = NextDevicePathNode (ShortformNode);\r | |
1059 | FileBuffer = NULL;\r | |
1060 | Handles = BmFindUsbDevice (FilePath, ParentDevicePathSize, &HandleCount);\r | |
1061 | \r | |
1062 | for (Index = 0; (Index < HandleCount) && (FileBuffer == NULL); Index++) {\r | |
1063 | FullDevicePath = AppendDevicePath (DevicePathFromHandle (Handles[Index]), RemainingDevicePath);\r | |
1064 | FileBuffer = BmGetLoadOptionBuffer (FullDevicePath, FullPath, FileSize);\r | |
1065 | FreePool (FullDevicePath);\r | |
1066 | }\r | |
1067 | \r | |
1068 | if (Handles != NULL) {\r | |
1069 | FreePool (Handles);\r | |
1070 | }\r | |
1071 | \r | |
1072 | return FileBuffer;\r | |
1073 | }\r | |
1074 | \r | |
1075 | /**\r | |
1076 | Save the partition DevicePath to the CachedDevicePath as the first instance.\r | |
1077 | \r | |
1078 | @param CachedDevicePath The device path cache.\r | |
1079 | @param DevicePath The partition device path to be cached.\r | |
1080 | **/\r | |
1081 | VOID\r | |
1082 | BmCachePartitionDevicePath (\r | |
1083 | IN OUT EFI_DEVICE_PATH_PROTOCOL **CachedDevicePath,\r | |
1084 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath\r | |
1085 | )\r | |
1086 | {\r | |
1087 | EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;\r | |
1088 | UINTN Count;\r | |
1089 | \r | |
1090 | if (BmMatchDevicePaths (*CachedDevicePath, DevicePath)) {\r | |
1091 | TempDevicePath = *CachedDevicePath;\r | |
1092 | *CachedDevicePath = BmDelPartMatchInstance (*CachedDevicePath, DevicePath);\r | |
1093 | FreePool (TempDevicePath);\r | |
1094 | }\r | |
1095 | \r | |
1096 | if (*CachedDevicePath == NULL) {\r | |
1097 | *CachedDevicePath = DuplicateDevicePath (DevicePath);\r | |
1098 | return;\r | |
1099 | }\r | |
1100 | \r | |
1101 | TempDevicePath = *CachedDevicePath;\r | |
1102 | *CachedDevicePath = AppendDevicePathInstance (DevicePath, *CachedDevicePath);\r | |
1103 | if (TempDevicePath != NULL) {\r | |
1104 | FreePool (TempDevicePath);\r | |
1105 | }\r | |
1106 | \r | |
1107 | //\r | |
1108 | // Here limit the device path instance number to 12, which is max number for a system support 3 IDE controller\r | |
1109 | // If the user try to boot many OS in different HDs or partitions, in theory, the 'HDDP' variable maybe become larger and larger.\r | |
1110 | //\r | |
1111 | Count = 0;\r | |
1112 | TempDevicePath = *CachedDevicePath;\r | |
1113 | while (!IsDevicePathEnd (TempDevicePath)) {\r | |
1114 | TempDevicePath = NextDevicePathNode (TempDevicePath);\r | |
1115 | //\r | |
1116 | // Parse one instance\r | |
1117 | //\r | |
1118 | while (!IsDevicePathEndType (TempDevicePath)) {\r | |
1119 | TempDevicePath = NextDevicePathNode (TempDevicePath);\r | |
1120 | }\r | |
1121 | Count++;\r | |
1122 | //\r | |
1123 | // If the CachedDevicePath variable contain too much instance, only remain 12 instances.\r | |
1124 | //\r | |
1125 | if (Count == 12) {\r | |
1126 | SetDevicePathEndNode (TempDevicePath);\r | |
1127 | break;\r | |
1128 | }\r | |
1129 | }\r | |
1130 | }\r | |
1131 | \r | |
1132 | /**\r | |
1133 | Expand a device path that starts with a hard drive media device path node to be a\r | |
1134 | full device path that includes the full hardware path to the device. We need\r | |
1135 | to do this so it can be booted. As an optimization the front match (the part point\r | |
1136 | to the partition node. E.g. ACPI() /PCI()/ATA()/Partition() ) is saved in a variable\r | |
1137 | so a connect all is not required on every boot. All successful history device path\r | |
1138 | which point to partition node (the front part) will be saved.\r | |
1139 | \r | |
1140 | @param FilePath The device path pointing to a load option.\r | |
1141 | It could be a short-form device path.\r | |
1142 | @param FullPath Return the full device path of the load option after\r | |
1143 | short-form device path expanding.\r | |
1144 | Caller is responsible to free it.\r | |
1145 | @param FileSize Return the load option size.\r | |
1146 | \r | |
1147 | @return The load option buffer. Caller is responsible to free the memory.\r | |
1148 | **/\r | |
1149 | VOID *\r | |
1150 | BmExpandPartitionDevicePath (\r | |
1151 | IN EFI_DEVICE_PATH_PROTOCOL *FilePath,\r | |
1152 | OUT EFI_DEVICE_PATH_PROTOCOL **FullPath,\r | |
1153 | OUT UINTN *FileSize\r | |
1154 | )\r | |
1155 | {\r | |
1156 | EFI_STATUS Status;\r | |
1157 | UINTN BlockIoHandleCount;\r | |
1158 | EFI_HANDLE *BlockIoBuffer;\r | |
1159 | VOID *FileBuffer;\r | |
1160 | EFI_DEVICE_PATH_PROTOCOL *BlockIoDevicePath;\r | |
1161 | UINTN Index;\r | |
1162 | EFI_DEVICE_PATH_PROTOCOL *CachedDevicePath;\r | |
1163 | EFI_DEVICE_PATH_PROTOCOL *TempNewDevicePath;\r | |
1164 | EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;\r | |
1165 | UINTN CachedDevicePathSize;\r | |
1166 | BOOLEAN NeedAdjust;\r | |
1167 | EFI_DEVICE_PATH_PROTOCOL *Instance;\r | |
1168 | UINTN Size;\r | |
1169 | \r | |
1170 | FileBuffer = NULL;\r | |
1171 | //\r | |
1172 | // Check if there is prestore 'HDDP' variable.\r | |
1173 | // If exist, search the front path which point to partition node in the variable instants.\r | |
1174 | // If fail to find or 'HDDP' not exist, reconnect all and search in all system\r | |
1175 | //\r | |
1176 | GetVariable2 (L"HDDP", &mBmHardDriveBootVariableGuid, (VOID **) &CachedDevicePath, &CachedDevicePathSize);\r | |
1177 | \r | |
1178 | //\r | |
1179 | // Delete the invalid 'HDDP' variable.\r | |
1180 | //\r | |
1181 | if ((CachedDevicePath != NULL) && !IsDevicePathValid (CachedDevicePath, CachedDevicePathSize)) {\r | |
1182 | FreePool (CachedDevicePath);\r | |
1183 | CachedDevicePath = NULL;\r | |
1184 | Status = gRT->SetVariable (\r | |
1185 | L"HDDP",\r | |
1186 | &mBmHardDriveBootVariableGuid,\r | |
1187 | 0,\r | |
1188 | 0,\r | |
1189 | NULL\r | |
1190 | );\r | |
1191 | ASSERT_EFI_ERROR (Status);\r | |
1192 | }\r | |
1193 | \r | |
1194 | if (CachedDevicePath != NULL) {\r | |
1195 | TempNewDevicePath = CachedDevicePath;\r | |
1196 | NeedAdjust = FALSE;\r | |
1197 | do {\r | |
1198 | //\r | |
1199 | // Check every instance of the variable\r | |
1200 | // First, check whether the instance contain the partition node, which is needed for distinguishing multi\r | |
1201 | // partial partition boot option. Second, check whether the instance could be connected.\r | |
1202 | //\r | |
1203 | Instance = GetNextDevicePathInstance (&TempNewDevicePath, &Size);\r | |
1204 | if (BmMatchPartitionDevicePathNode (Instance, (HARDDRIVE_DEVICE_PATH *) FilePath)) {\r | |
1205 | //\r | |
1206 | // Connect the device path instance, the device path point to hard drive media device path node\r | |
1207 | // e.g. ACPI() /PCI()/ATA()/Partition()\r | |
1208 | //\r | |
1209 | Status = EfiBootManagerConnectDevicePath (Instance, NULL);\r | |
1210 | if (!EFI_ERROR (Status)) {\r | |
1211 | TempDevicePath = AppendDevicePath (Instance, NextDevicePathNode (FilePath));\r | |
1212 | FileBuffer = BmGetLoadOptionBuffer (TempDevicePath, FullPath, FileSize);\r | |
1213 | FreePool (TempDevicePath);\r | |
1214 | \r | |
1215 | if (FileBuffer != NULL) {\r | |
1216 | //\r | |
1217 | // Adjust the 'HDDP' instances sequence if the matched one is not first one.\r | |
1218 | //\r | |
1219 | if (NeedAdjust) {\r | |
1220 | BmCachePartitionDevicePath (&CachedDevicePath, Instance);\r | |
1221 | //\r | |
1222 | // Save the matching Device Path so we don't need to do a connect all next time\r | |
1223 | // Failing to save only impacts performance next time expanding the short-form device path\r | |
1224 | //\r | |
1225 | Status = gRT->SetVariable (\r | |
1226 | L"HDDP",\r | |
1227 | &mBmHardDriveBootVariableGuid,\r | |
1228 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_NON_VOLATILE,\r | |
1229 | GetDevicePathSize (CachedDevicePath),\r | |
1230 | CachedDevicePath\r | |
1231 | );\r | |
1232 | }\r | |
1233 | \r | |
1234 | FreePool (Instance);\r | |
1235 | FreePool (CachedDevicePath);\r | |
1236 | return FileBuffer;\r | |
1237 | }\r | |
1238 | }\r | |
1239 | }\r | |
1240 | //\r | |
1241 | // Come here means the first instance is not matched\r | |
1242 | //\r | |
1243 | NeedAdjust = TRUE;\r | |
1244 | FreePool(Instance);\r | |
1245 | } while (TempNewDevicePath != NULL);\r | |
1246 | }\r | |
1247 | \r | |
1248 | //\r | |
1249 | // If we get here we fail to find or 'HDDP' not exist, and now we need\r | |
1250 | // to search all devices in the system for a matched partition\r | |
1251 | //\r | |
1252 | EfiBootManagerConnectAll ();\r | |
1253 | Status = gBS->LocateHandleBuffer (ByProtocol, &gEfiBlockIoProtocolGuid, NULL, &BlockIoHandleCount, &BlockIoBuffer);\r | |
1254 | if (EFI_ERROR (Status)) {\r | |
1255 | BlockIoHandleCount = 0;\r | |
1256 | BlockIoBuffer = NULL;\r | |
1257 | }\r | |
1258 | //\r | |
1259 | // Loop through all the device handles that support the BLOCK_IO Protocol\r | |
1260 | //\r | |
1261 | for (Index = 0; Index < BlockIoHandleCount; Index++) {\r | |
1262 | BlockIoDevicePath = DevicePathFromHandle (BlockIoBuffer[Index]);\r | |
1263 | if (BlockIoDevicePath == NULL) {\r | |
1264 | continue;\r | |
1265 | }\r | |
1266 | \r | |
1267 | if (BmMatchPartitionDevicePathNode (BlockIoDevicePath, (HARDDRIVE_DEVICE_PATH *) FilePath)) {\r | |
1268 | //\r | |
1269 | // Find the matched partition device path\r | |
1270 | //\r | |
1271 | TempDevicePath = AppendDevicePath (BlockIoDevicePath, NextDevicePathNode (FilePath));\r | |
1272 | FileBuffer = BmGetLoadOptionBuffer (TempDevicePath, FullPath, FileSize);\r | |
1273 | FreePool (TempDevicePath);\r | |
1274 | \r | |
1275 | if (FileBuffer != NULL) {\r | |
1276 | BmCachePartitionDevicePath (&CachedDevicePath, BlockIoDevicePath);\r | |
1277 | \r | |
1278 | //\r | |
1279 | // Save the matching Device Path so we don't need to do a connect all next time\r | |
1280 | // Failing to save only impacts performance next time expanding the short-form device path\r | |
1281 | //\r | |
1282 | Status = gRT->SetVariable (\r | |
1283 | L"HDDP",\r | |
1284 | &mBmHardDriveBootVariableGuid,\r | |
1285 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_NON_VOLATILE,\r | |
1286 | GetDevicePathSize (CachedDevicePath),\r | |
1287 | CachedDevicePath\r | |
1288 | );\r | |
1289 | \r | |
1290 | break;\r | |
1291 | }\r | |
1292 | }\r | |
1293 | }\r | |
1294 | \r | |
1295 | if (CachedDevicePath != NULL) {\r | |
1296 | FreePool (CachedDevicePath);\r | |
1297 | }\r | |
1298 | if (BlockIoBuffer != NULL) {\r | |
1299 | FreePool (BlockIoBuffer);\r | |
1300 | }\r | |
1301 | return FileBuffer;\r | |
1302 | }\r | |
1303 | \r | |
1304 | /**\r | |
1305 | Expand the media device path which points to a BlockIo or SimpleFileSystem instance\r | |
1306 | by appending EFI_REMOVABLE_MEDIA_FILE_NAME.\r | |
1307 | \r | |
1308 | @param DevicePath The media device path pointing to a BlockIo or SimpleFileSystem instance.\r | |
1309 | @param FullPath Return the full device path pointing to the load option.\r | |
1310 | @param FileSize Return the size of the load option.\r | |
1311 | \r | |
1312 | @return The load option buffer.\r | |
1313 | **/\r | |
1314 | VOID *\r | |
1315 | BmExpandMediaDevicePath (\r | |
1316 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r | |
1317 | OUT EFI_DEVICE_PATH_PROTOCOL **FullPath,\r | |
1318 | OUT UINTN *FileSize\r | |
1319 | )\r | |
1320 | {\r | |
1321 | EFI_STATUS Status;\r | |
1322 | EFI_HANDLE Handle;\r | |
1323 | EFI_BLOCK_IO_PROTOCOL *BlockIo;\r | |
1324 | VOID *Buffer;\r | |
1325 | EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;\r | |
1326 | UINTN Size;\r | |
1327 | UINTN TempSize;\r | |
1328 | EFI_HANDLE *SimpleFileSystemHandles;\r | |
1329 | UINTN NumberSimpleFileSystemHandles;\r | |
1330 | UINTN Index;\r | |
1331 | VOID *FileBuffer;\r | |
1332 | UINT32 AuthenticationStatus;\r | |
1333 | \r | |
1334 | //\r | |
1335 | // Check whether the device is connected\r | |
1336 | //\r | |
1337 | TempDevicePath = DevicePath;\r | |
1338 | Status = gBS->LocateDevicePath (&gEfiSimpleFileSystemProtocolGuid, &TempDevicePath, &Handle);\r | |
1339 | if (!EFI_ERROR (Status)) {\r | |
1340 | ASSERT (IsDevicePathEnd (TempDevicePath));\r | |
1341 | \r | |
1342 | TempDevicePath = FileDevicePath (Handle, EFI_REMOVABLE_MEDIA_FILE_NAME);\r | |
1343 | FileBuffer = GetFileBufferByFilePath (TRUE, TempDevicePath, FileSize, &AuthenticationStatus);\r | |
1344 | if (FileBuffer == NULL) {\r | |
1345 | FreePool (TempDevicePath);\r | |
1346 | TempDevicePath = NULL;\r | |
1347 | }\r | |
1348 | *FullPath = TempDevicePath;\r | |
1349 | return FileBuffer;\r | |
1350 | }\r | |
1351 | \r | |
1352 | //\r | |
1353 | // For device boot option only pointing to the removable device handle, \r | |
1354 | // should make sure all its children handles (its child partion or media handles) are created and connected. \r | |
1355 | //\r | |
1356 | gBS->ConnectController (Handle, NULL, NULL, TRUE);\r | |
1357 | \r | |
1358 | //\r | |
1359 | // Issue a dummy read to the device to check for media change.\r | |
1360 | // When the removable media is changed, any Block IO read/write will\r | |
1361 | // cause the BlockIo protocol be reinstalled and EFI_MEDIA_CHANGED is\r | |
1362 | // returned. After the Block IO protocol is reinstalled, subsequent\r | |
1363 | // Block IO read/write will success.\r | |
1364 | //\r | |
1365 | Status = gBS->LocateDevicePath (&gEfiBlockIoProtocolGuid, &TempDevicePath, &Handle);\r | |
1366 | ASSERT_EFI_ERROR (Status);\r | |
1367 | Status = gBS->HandleProtocol (Handle, &gEfiBlockIoProtocolGuid, (VOID **) &BlockIo);\r | |
1368 | ASSERT_EFI_ERROR (Status);\r | |
1369 | Buffer = AllocatePool (BlockIo->Media->BlockSize);\r | |
1370 | if (Buffer != NULL) {\r | |
1371 | BlockIo->ReadBlocks (\r | |
1372 | BlockIo,\r | |
1373 | BlockIo->Media->MediaId,\r | |
1374 | 0,\r | |
1375 | BlockIo->Media->BlockSize,\r | |
1376 | Buffer\r | |
1377 | );\r | |
1378 | FreePool (Buffer);\r | |
1379 | }\r | |
1380 | \r | |
1381 | //\r | |
1382 | // Detect the the default boot file from removable Media\r | |
1383 | //\r | |
1384 | FileBuffer = NULL;\r | |
1385 | *FullPath = NULL;\r | |
1386 | Size = GetDevicePathSize (DevicePath) - END_DEVICE_PATH_LENGTH;\r | |
1387 | gBS->LocateHandleBuffer (\r | |
1388 | ByProtocol,\r | |
1389 | &gEfiSimpleFileSystemProtocolGuid,\r | |
1390 | NULL,\r | |
1391 | &NumberSimpleFileSystemHandles,\r | |
1392 | &SimpleFileSystemHandles\r | |
1393 | );\r | |
1394 | for (Index = 0; Index < NumberSimpleFileSystemHandles; Index++) {\r | |
1395 | //\r | |
1396 | // Get the device path size of SimpleFileSystem handle\r | |
1397 | //\r | |
1398 | TempDevicePath = DevicePathFromHandle (SimpleFileSystemHandles[Index]);\r | |
1399 | TempSize = GetDevicePathSize (TempDevicePath) - END_DEVICE_PATH_LENGTH;\r | |
1400 | //\r | |
1401 | // Check whether the device path of boot option is part of the SimpleFileSystem handle's device path\r | |
1402 | //\r | |
1403 | if ((Size <= TempSize) && (CompareMem (TempDevicePath, DevicePath, Size) == 0)) {\r | |
1404 | TempDevicePath = FileDevicePath (SimpleFileSystemHandles[Index], EFI_REMOVABLE_MEDIA_FILE_NAME);\r | |
1405 | FileBuffer = GetFileBufferByFilePath (TRUE, TempDevicePath, FileSize, &AuthenticationStatus);\r | |
1406 | if (FileBuffer != NULL) {\r | |
1407 | *FullPath = TempDevicePath;\r | |
1408 | break;\r | |
1409 | }\r | |
1410 | FreePool (TempDevicePath);\r | |
1411 | }\r | |
1412 | }\r | |
1413 | \r | |
1414 | if (SimpleFileSystemHandles != NULL) {\r | |
1415 | FreePool (SimpleFileSystemHandles);\r | |
1416 | }\r | |
1417 | \r | |
1418 | return FileBuffer;\r | |
1419 | }\r | |
1420 | \r | |
1421 | /**\r | |
1422 | Get the load option by its device path.\r | |
1423 | \r | |
1424 | @param FilePath The device path pointing to a load option.\r | |
1425 | It could be a short-form device path.\r | |
1426 | @param FullPath Return the full device path of the load option after\r | |
1427 | short-form device path expanding.\r | |
1428 | Caller is responsible to free it.\r | |
1429 | @param FileSize Return the load option size.\r | |
1430 | \r | |
1431 | @return The load option buffer. Caller is responsible to free the memory.\r | |
1432 | **/\r | |
1433 | VOID *\r | |
1434 | BmGetLoadOptionBuffer (\r | |
1435 | IN EFI_DEVICE_PATH_PROTOCOL *FilePath,\r | |
1436 | OUT EFI_DEVICE_PATH_PROTOCOL **FullPath,\r | |
1437 | OUT UINTN *FileSize\r | |
1438 | )\r | |
1439 | {\r | |
1440 | EFI_HANDLE Handle;\r | |
1441 | VOID *FileBuffer;\r | |
1442 | UINT32 AuthenticationStatus;\r | |
1443 | EFI_DEVICE_PATH_PROTOCOL *Node;\r | |
1444 | EFI_STATUS Status;\r | |
1445 | \r | |
1446 | ASSERT ((FilePath != NULL) && (FullPath != NULL) && (FileSize != NULL));\r | |
1447 | \r | |
1448 | EfiBootManagerConnectDevicePath (FilePath, NULL);\r | |
1449 | \r | |
1450 | *FullPath = NULL;\r | |
1451 | *FileSize = 0;\r | |
1452 | FileBuffer = NULL;\r | |
1453 | \r | |
1454 | //\r | |
1455 | // Boot from media device by adding a default file name \EFI\BOOT\BOOT{machine type short-name}.EFI\r | |
1456 | //\r | |
1457 | Node = FilePath;\r | |
1458 | Status = gBS->LocateDevicePath (&gEfiSimpleFileSystemProtocolGuid, &Node, &Handle);\r | |
1459 | if (EFI_ERROR (Status)) {\r | |
1460 | Status = gBS->LocateDevicePath (&gEfiBlockIoProtocolGuid, &Node, &Handle);\r | |
1461 | }\r | |
1462 | \r | |
1463 | if (!EFI_ERROR (Status) && IsDevicePathEnd (Node)) {\r | |
1464 | return BmExpandMediaDevicePath (FilePath, FullPath, FileSize);\r | |
1465 | }\r | |
1466 | \r | |
1467 | //\r | |
1468 | // Expand the short-form device path to full device path\r | |
1469 | //\r | |
1470 | if ((DevicePathType (FilePath) == MEDIA_DEVICE_PATH) &&\r | |
1471 | (DevicePathSubType (FilePath) == MEDIA_HARDDRIVE_DP)) {\r | |
1472 | //\r | |
1473 | // Expand the Harddrive device path\r | |
1474 | //\r | |
1475 | return BmExpandPartitionDevicePath (FilePath, FullPath, FileSize);\r | |
1476 | } else {\r | |
1477 | for (Node = FilePath; !IsDevicePathEnd (Node); Node = NextDevicePathNode (Node)) {\r | |
1478 | if ((DevicePathType (Node) == MESSAGING_DEVICE_PATH) &&\r | |
1479 | ((DevicePathSubType (Node) == MSG_USB_CLASS_DP) || (DevicePathSubType (Node) == MSG_USB_WWID_DP))) {\r | |
1480 | break;\r | |
1481 | }\r | |
1482 | }\r | |
1483 | \r | |
1484 | if (!IsDevicePathEnd (Node)) {\r | |
1485 | //\r | |
1486 | // Expand the USB WWID/Class device path\r | |
1487 | //\r | |
1488 | FileBuffer = BmExpandUsbDevicePath (FilePath, FullPath, FileSize, Node);\r | |
1489 | if ((FileBuffer == NULL) && (FilePath == Node)) {\r | |
1490 | //\r | |
1491 | // Boot Option device path starts with USB Class or USB WWID device path.\r | |
1492 | // For Boot Option device path which doesn't begin with the USB Class or\r | |
1493 | // USB WWID device path, it's not needed to connect again here.\r | |
1494 | //\r | |
1495 | BmConnectUsbShortFormDevicePath (FilePath);\r | |
1496 | FileBuffer = BmExpandUsbDevicePath (FilePath, FullPath, FileSize, Node);\r | |
1497 | }\r | |
1498 | return FileBuffer;\r | |
1499 | }\r | |
1500 | }\r | |
1501 | \r | |
1502 | //\r | |
1503 | // Fix up the boot option path if it points to a FV in memory map style of device path\r | |
1504 | //\r | |
1505 | if (BmIsMemmapFvFilePath (FilePath)) {\r | |
1506 | return BmGetFileBufferByMemmapFv (FilePath, FullPath, FileSize);\r | |
1507 | }\r | |
1508 | \r | |
1509 | //\r | |
1510 | // Directly reads the load option when it doesn't reside in simple file system instance (LoadFile/LoadFile2),\r | |
1511 | // or it directly points to a file in simple file system instance.\r | |
1512 | //\r | |
de6c0eff LG |
1513 | Node = FilePath;\r |
1514 | Status = gBS->LocateDevicePath (&gEfiLoadFileProtocolGuid, &Node, &Handle);\r | |
067ed98a RN |
1515 | FileBuffer = GetFileBufferByFilePath (TRUE, FilePath, FileSize, &AuthenticationStatus);\r |
1516 | if (FileBuffer != NULL) {\r | |
de6c0eff LG |
1517 | if (EFI_ERROR (Status)) {\r |
1518 | *FullPath = DuplicateDevicePath (FilePath);\r | |
1519 | } else {\r | |
1520 | //\r | |
1521 | // LoadFile () may cause the device path of the Handle be updated.\r | |
1522 | //\r | |
1523 | *FullPath = AppendDevicePath (DevicePathFromHandle (Handle), Node);\r | |
1524 | }\r | |
067ed98a RN |
1525 | }\r |
1526 | \r | |
1527 | return FileBuffer;\r | |
1528 | }\r | |
1529 | \r | |
1530 | /**\r | |
1531 | Attempt to boot the EFI boot option. This routine sets L"BootCurent" and\r | |
1532 | also signals the EFI ready to boot event. If the device path for the option\r | |
1533 | starts with a BBS device path a legacy boot is attempted via the registered \r | |
1534 | gLegacyBoot function. Short form device paths are also supported via this \r | |
1535 | rountine. A device path starting with MEDIA_HARDDRIVE_DP, MSG_USB_WWID_DP,\r | |
1536 | MSG_USB_CLASS_DP gets expaned out to find the first device that matches.\r | |
1537 | If the BootOption Device Path fails the removable media boot algorithm \r | |
1538 | is attempted (\EFI\BOOTIA32.EFI, \EFI\BOOTX64.EFI,... only one file type \r | |
1539 | is tried per processor type)\r | |
1540 | \r | |
1541 | @param BootOption Boot Option to try and boot.\r | |
1542 | On return, BootOption->Status contains the boot status.\r | |
1543 | EFI_SUCCESS BootOption was booted\r | |
1544 | EFI_UNSUPPORTED A BBS device path was found with no valid callback\r | |
1545 | registered via EfiBootManagerInitialize().\r | |
1546 | EFI_NOT_FOUND The BootOption was not found on the system\r | |
1547 | !EFI_SUCCESS BootOption failed with this error status\r | |
1548 | \r | |
1549 | **/\r | |
1550 | VOID\r | |
1551 | EFIAPI\r | |
1552 | EfiBootManagerBoot (\r | |
1553 | IN EFI_BOOT_MANAGER_LOAD_OPTION *BootOption\r | |
1554 | )\r | |
1555 | {\r | |
1556 | EFI_STATUS Status;\r | |
1557 | EFI_HANDLE ImageHandle;\r | |
1558 | EFI_LOADED_IMAGE_PROTOCOL *ImageInfo;\r | |
1559 | UINT16 Uint16;\r | |
1560 | UINTN OptionNumber;\r | |
1561 | UINTN OriginalOptionNumber;\r | |
1562 | EFI_DEVICE_PATH_PROTOCOL *FilePath;\r | |
1563 | EFI_DEVICE_PATH_PROTOCOL *Node;\r | |
1564 | EFI_HANDLE FvHandle;\r | |
1565 | VOID *FileBuffer;\r | |
1566 | UINTN FileSize;\r | |
1567 | EFI_BOOT_LOGO_PROTOCOL *BootLogo;\r | |
1568 | EFI_EVENT LegacyBootEvent;\r | |
1569 | \r | |
1570 | if (BootOption == NULL) {\r | |
1571 | return;\r | |
1572 | }\r | |
1573 | \r | |
1574 | if (BootOption->FilePath == NULL || BootOption->OptionType != LoadOptionTypeBoot) {\r | |
1575 | BootOption->Status = EFI_INVALID_PARAMETER;\r | |
1576 | return;\r | |
1577 | }\r | |
1578 | \r | |
1579 | //\r | |
1580 | // 1. Create Boot#### for a temporary boot if there is no match Boot#### (i.e. a boot by selected a EFI Shell using "Boot From File")\r | |
1581 | //\r | |
1582 | OptionNumber = BmFindBootOptionInVariable (BootOption);\r | |
1583 | if (OptionNumber == LoadOptionNumberUnassigned) {\r | |
1584 | Status = BmGetFreeOptionNumber (LoadOptionTypeBoot, &Uint16);\r | |
1585 | if (!EFI_ERROR (Status)) {\r | |
1586 | //\r | |
1587 | // Save the BootOption->OptionNumber to restore later\r | |
1588 | //\r | |
1589 | OptionNumber = Uint16;\r | |
1590 | OriginalOptionNumber = BootOption->OptionNumber;\r | |
1591 | BootOption->OptionNumber = OptionNumber;\r | |
1592 | Status = EfiBootManagerLoadOptionToVariable (BootOption);\r | |
1593 | BootOption->OptionNumber = OriginalOptionNumber;\r | |
1594 | }\r | |
1595 | \r | |
1596 | if (EFI_ERROR (Status)) {\r | |
1597 | DEBUG ((EFI_D_ERROR, "[Bds] Failed to create Boot#### for a temporary boot - %r!\n", Status));\r | |
1598 | BootOption->Status = Status;\r | |
1599 | return ;\r | |
1600 | }\r | |
1601 | }\r | |
1602 | \r | |
1603 | //\r | |
1604 | // 2. Set BootCurrent\r | |
1605 | //\r | |
1606 | Uint16 = (UINT16) OptionNumber;\r | |
1607 | BmSetVariableAndReportStatusCodeOnError (\r | |
1608 | L"BootCurrent",\r | |
1609 | &gEfiGlobalVariableGuid,\r | |
1610 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r | |
1611 | sizeof (UINT16),\r | |
1612 | &Uint16\r | |
1613 | );\r | |
1614 | \r | |
1615 | //\r | |
1616 | // 3. Signal the EVT_SIGNAL_READY_TO_BOOT event when we are about to load and execute\r | |
1617 | // the boot option.\r | |
1618 | //\r | |
1619 | Node = BootOption->FilePath;\r | |
1620 | Status = gBS->LocateDevicePath (&gEfiFirmwareVolume2ProtocolGuid, &Node, &FvHandle);\r | |
1621 | if (!EFI_ERROR (Status) && CompareGuid (\r | |
1622 | EfiGetNameGuidFromFwVolDevicePathNode ((CONST MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *) Node),\r | |
1623 | PcdGetPtr (PcdBootManagerMenuFile)\r | |
1624 | )) {\r | |
1625 | DEBUG ((EFI_D_INFO, "[Bds] Booting Boot Manager Menu.\n"));\r | |
1626 | BmStopHotkeyService (NULL, NULL);\r | |
1627 | } else {\r | |
1628 | EfiSignalEventReadyToBoot();\r | |
1629 | //\r | |
1630 | // Report Status Code to indicate ReadyToBoot was signalled\r | |
1631 | //\r | |
1632 | REPORT_STATUS_CODE (EFI_PROGRESS_CODE, (EFI_SOFTWARE_DXE_BS_DRIVER | EFI_SW_DXE_BS_PC_READY_TO_BOOT_EVENT));\r | |
1633 | //\r | |
1634 | // 4. Repair system through DriverHealth protocol\r | |
1635 | //\r | |
1636 | BmRepairAllControllers ();\r | |
1637 | }\r | |
1638 | \r | |
1639 | PERF_START_EX (gImageHandle, "BdsAttempt", NULL, 0, (UINT32) OptionNumber);\r | |
1640 | \r | |
1641 | //\r | |
1642 | // 5. Load EFI boot option to ImageHandle\r | |
1643 | //\r | |
1644 | ImageHandle = NULL;\r | |
1645 | if (DevicePathType (BootOption->FilePath) != BBS_DEVICE_PATH) {\r | |
1646 | Status = EFI_NOT_FOUND;\r | |
1647 | FileBuffer = BmGetLoadOptionBuffer (BootOption->FilePath, &FilePath, &FileSize);\r | |
1648 | DEBUG_CODE (\r | |
1649 | if (FileBuffer != NULL && CompareMem (BootOption->FilePath, FilePath, GetDevicePathSize (FilePath)) != 0) {\r | |
1650 | DEBUG ((EFI_D_INFO, "[Bds] DevicePath expand: "));\r | |
1651 | BmPrintDp (BootOption->FilePath);\r | |
1652 | DEBUG ((EFI_D_INFO, " -> "));\r | |
1653 | BmPrintDp (FilePath);\r | |
1654 | DEBUG ((EFI_D_INFO, "\n"));\r | |
1655 | }\r | |
1656 | );\r | |
1657 | if (BmIsLoadOptionPeHeaderValid (BootOption->OptionType, FileBuffer, FileSize)) {\r | |
1658 | REPORT_STATUS_CODE (EFI_PROGRESS_CODE, PcdGet32 (PcdProgressCodeOsLoaderLoad));\r | |
1659 | Status = gBS->LoadImage (\r | |
1660 | TRUE,\r | |
1661 | gImageHandle,\r | |
1662 | FilePath,\r | |
1663 | FileBuffer,\r | |
1664 | FileSize,\r | |
1665 | &ImageHandle\r | |
1666 | );\r | |
1667 | }\r | |
1668 | if (FileBuffer != NULL) {\r | |
1669 | FreePool (FileBuffer);\r | |
1670 | }\r | |
1671 | if (FilePath != NULL) {\r | |
1672 | FreePool (FilePath);\r | |
1673 | }\r | |
1674 | \r | |
1675 | if (EFI_ERROR (Status)) {\r | |
1676 | //\r | |
1677 | // Report Status Code to indicate that the failure to load boot option\r | |
1678 | //\r | |
1679 | REPORT_STATUS_CODE (\r | |
1680 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
1681 | (EFI_SOFTWARE_DXE_BS_DRIVER | EFI_SW_DXE_BS_EC_BOOT_OPTION_LOAD_ERROR)\r | |
1682 | );\r | |
1683 | BootOption->Status = Status;\r | |
1684 | return;\r | |
1685 | }\r | |
1686 | }\r | |
1687 | \r | |
1688 | //\r | |
1689 | // 6. Adjust the different type memory page number just before booting\r | |
1690 | // and save the updated info into the variable for next boot to use\r | |
1691 | //\r | |
1692 | if ((BootOption->Attributes & LOAD_OPTION_CATEGORY) == LOAD_OPTION_CATEGORY_BOOT) {\r | |
1693 | if (PcdGetBool (PcdResetOnMemoryTypeInformationChange)) {\r | |
1694 | BmSetMemoryTypeInformationVariable ();\r | |
1695 | }\r | |
1696 | }\r | |
1697 | \r | |
1698 | DEBUG_CODE_BEGIN();\r | |
1699 | if (BootOption->Description == NULL) {\r | |
1700 | DEBUG ((DEBUG_INFO | DEBUG_LOAD, "[Bds]Booting from unknown device path\n"));\r | |
1701 | } else {\r | |
1702 | DEBUG ((DEBUG_INFO | DEBUG_LOAD, "[Bds]Booting %s\n", BootOption->Description));\r | |
1703 | }\r | |
1704 | DEBUG_CODE_END();\r | |
1705 | \r | |
1706 | //\r | |
1707 | // Check to see if we should legacy BOOT. If yes then do the legacy boot\r | |
1708 | // Write boot to OS performance data for Legacy boot\r | |
1709 | //\r | |
1710 | if ((DevicePathType (BootOption->FilePath) == BBS_DEVICE_PATH) && (DevicePathSubType (BootOption->FilePath) == BBS_BBS_DP)) {\r | |
1711 | if (mBmLegacyBoot != NULL) {\r | |
1712 | //\r | |
1713 | // Write boot to OS performance data for legacy boot.\r | |
1714 | //\r | |
1715 | PERF_CODE (\r | |
1716 | //\r | |
1717 | // Create an event to be signalled when Legacy Boot occurs to write performance data.\r | |
1718 | //\r | |
1719 | Status = EfiCreateEventLegacyBootEx(\r | |
1720 | TPL_NOTIFY,\r | |
1721 | BmWriteBootToOsPerformanceData,\r | |
1722 | NULL, \r | |
1723 | &LegacyBootEvent\r | |
1724 | );\r | |
1725 | ASSERT_EFI_ERROR (Status);\r | |
1726 | );\r | |
1727 | \r | |
1728 | mBmLegacyBoot (BootOption);\r | |
1729 | } else {\r | |
1730 | BootOption->Status = EFI_UNSUPPORTED;\r | |
1731 | }\r | |
1732 | \r | |
1733 | PERF_END_EX (gImageHandle, "BdsAttempt", NULL, 0, (UINT32) OptionNumber);\r | |
1734 | return;\r | |
1735 | }\r | |
1736 | \r | |
1737 | //\r | |
1738 | // Provide the image with its load options\r | |
1739 | //\r | |
1740 | Status = gBS->HandleProtocol (ImageHandle, &gEfiLoadedImageProtocolGuid, (VOID **) &ImageInfo);\r | |
1741 | ASSERT_EFI_ERROR (Status);\r | |
1742 | \r | |
1743 | ImageInfo->LoadOptionsSize = BootOption->OptionalDataSize;\r | |
1744 | ImageInfo->LoadOptions = BootOption->OptionalData;\r | |
1745 | \r | |
1746 | //\r | |
1747 | // Clean to NULL because the image is loaded directly from the firmwares boot manager.\r | |
1748 | //\r | |
1749 | ImageInfo->ParentHandle = NULL;\r | |
1750 | \r | |
1751 | //\r | |
1752 | // Before calling the image, enable the Watchdog Timer for 5 minutes period\r | |
1753 | //\r | |
1754 | gBS->SetWatchdogTimer (5 * 60, 0x0000, 0x00, NULL);\r | |
1755 | \r | |
1756 | //\r | |
1757 | // Write boot to OS performance data for UEFI boot\r | |
1758 | //\r | |
1759 | PERF_CODE (\r | |
1760 | BmWriteBootToOsPerformanceData (NULL, NULL);\r | |
1761 | );\r | |
1762 | \r | |
1763 | REPORT_STATUS_CODE (EFI_PROGRESS_CODE, PcdGet32 (PcdProgressCodeOsLoaderStart));\r | |
1764 | \r | |
1765 | Status = gBS->StartImage (ImageHandle, &BootOption->ExitDataSize, &BootOption->ExitData);\r | |
1766 | DEBUG ((DEBUG_INFO | DEBUG_LOAD, "Image Return Status = %r\n", Status));\r | |
1767 | BootOption->Status = Status;\r | |
1768 | if (EFI_ERROR (Status)) {\r | |
1769 | //\r | |
1770 | // Report Status Code to indicate that boot failure\r | |
1771 | //\r | |
1772 | REPORT_STATUS_CODE (\r | |
1773 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
1774 | (EFI_SOFTWARE_DXE_BS_DRIVER | EFI_SW_DXE_BS_EC_BOOT_OPTION_FAILED)\r | |
1775 | );\r | |
1776 | }\r | |
1777 | PERF_END_EX (gImageHandle, "BdsAttempt", NULL, 0, (UINT32) OptionNumber);\r | |
1778 | \r | |
1779 | //\r | |
1780 | // Clear the Watchdog Timer after the image returns\r | |
1781 | //\r | |
1782 | gBS->SetWatchdogTimer (0x0000, 0x0000, 0x0000, NULL);\r | |
1783 | \r | |
1784 | //\r | |
1785 | // Set Logo status invalid after trying one boot option\r | |
1786 | //\r | |
1787 | BootLogo = NULL;\r | |
1788 | Status = gBS->LocateProtocol (&gEfiBootLogoProtocolGuid, NULL, (VOID **) &BootLogo);\r | |
1789 | if (!EFI_ERROR (Status) && (BootLogo != NULL)) {\r | |
1790 | Status = BootLogo->SetBootLogo (BootLogo, NULL, 0, 0, 0, 0);\r | |
1791 | ASSERT_EFI_ERROR (Status);\r | |
1792 | }\r | |
1793 | \r | |
1794 | //\r | |
1795 | // Clear Boot Current\r | |
1796 | //\r | |
1797 | Status = gRT->SetVariable (\r | |
1798 | L"BootCurrent",\r | |
1799 | &gEfiGlobalVariableGuid,\r | |
1800 | 0,\r | |
1801 | 0,\r | |
1802 | NULL\r | |
1803 | );\r | |
1804 | //\r | |
1805 | // Deleting variable with current variable implementation shouldn't fail.\r | |
1806 | // When BootXXXX (e.g.: BootManagerMenu) boots BootYYYY, exiting BootYYYY causes BootCurrent deleted,\r | |
1807 | // exiting BootXXXX causes deleting BootCurrent returns EFI_NOT_FOUND.\r | |
1808 | //\r | |
1809 | ASSERT (Status == EFI_SUCCESS || Status == EFI_NOT_FOUND);\r | |
1810 | }\r | |
1811 | \r | |
1812 | /**\r | |
1813 | Check whether there is a instance in BlockIoDevicePath, which contain multi device path\r | |
1814 | instances, has the same partition node with HardDriveDevicePath device path\r | |
1815 | \r | |
1816 | @param BlockIoDevicePath Multi device path instances which need to check\r | |
1817 | @param HardDriveDevicePath A device path which starts with a hard drive media\r | |
1818 | device path.\r | |
1819 | \r | |
1820 | @retval TRUE There is a matched device path instance.\r | |
1821 | @retval FALSE There is no matched device path instance.\r | |
1822 | \r | |
1823 | **/\r | |
1824 | BOOLEAN\r | |
1825 | BmMatchPartitionDevicePathNode (\r | |
1826 | IN EFI_DEVICE_PATH_PROTOCOL *BlockIoDevicePath,\r | |
1827 | IN HARDDRIVE_DEVICE_PATH *HardDriveDevicePath\r | |
1828 | )\r | |
1829 | {\r | |
1830 | HARDDRIVE_DEVICE_PATH *Node;\r | |
1831 | \r | |
1832 | if ((BlockIoDevicePath == NULL) || (HardDriveDevicePath == NULL)) {\r | |
1833 | return FALSE;\r | |
1834 | }\r | |
1835 | \r | |
1836 | //\r | |
1837 | // find the partition device path node\r | |
1838 | //\r | |
1839 | while (!IsDevicePathEnd (BlockIoDevicePath)) {\r | |
1840 | if ((DevicePathType (BlockIoDevicePath) == MEDIA_DEVICE_PATH) &&\r | |
1841 | (DevicePathSubType (BlockIoDevicePath) == MEDIA_HARDDRIVE_DP)\r | |
1842 | ) {\r | |
1843 | break;\r | |
1844 | }\r | |
1845 | \r | |
1846 | BlockIoDevicePath = NextDevicePathNode (BlockIoDevicePath);\r | |
1847 | }\r | |
1848 | \r | |
1849 | if (IsDevicePathEnd (BlockIoDevicePath)) {\r | |
1850 | return FALSE;\r | |
1851 | }\r | |
1852 | \r | |
1853 | //\r | |
1854 | // See if the harddrive device path in blockio matches the orig Hard Drive Node\r | |
1855 | //\r | |
1856 | Node = (HARDDRIVE_DEVICE_PATH *) BlockIoDevicePath;\r | |
1857 | \r | |
1858 | //\r | |
1859 | // Match Signature and PartitionNumber.\r | |
1860 | // Unused bytes in Signature are initiaized with zeros.\r | |
1861 | //\r | |
1862 | return (BOOLEAN) (\r | |
1863 | (Node->PartitionNumber == HardDriveDevicePath->PartitionNumber) &&\r | |
1864 | (Node->MBRType == HardDriveDevicePath->MBRType) &&\r | |
1865 | (Node->SignatureType == HardDriveDevicePath->SignatureType) &&\r | |
1866 | (CompareMem (Node->Signature, HardDriveDevicePath->Signature, sizeof (Node->Signature)) == 0)\r | |
1867 | );\r | |
1868 | }\r | |
1869 | \r | |
d948fe96 RN |
1870 | /**\r |
1871 | Enumerate all boot option descriptions and append " 2"/" 3"/... to make\r | |
1872 | unique description.\r | |
1873 | \r | |
1874 | @param BootOptions Array of boot options.\r | |
1875 | @param BootOptionCount Count of boot options.\r | |
1876 | **/\r | |
1877 | VOID\r | |
1878 | BmMakeBootOptionDescriptionUnique (\r | |
1879 | EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions,\r | |
1880 | UINTN BootOptionCount\r | |
1881 | )\r | |
1882 | {\r | |
1883 | UINTN Base;\r | |
1884 | UINTN Index;\r | |
1885 | UINTN DescriptionSize;\r | |
1886 | UINTN MaxSuffixSize;\r | |
1887 | BOOLEAN *Visited;\r | |
1888 | UINTN MatchCount;\r | |
1889 | \r | |
1890 | if (BootOptionCount == 0) {\r | |
1891 | return;\r | |
1892 | }\r | |
1893 | \r | |
1894 | //\r | |
1895 | // Calculate the maximum buffer size for the number suffix.\r | |
1896 | // The initial sizeof (CHAR16) is for the blank space before the number.\r | |
1897 | //\r | |
1898 | MaxSuffixSize = sizeof (CHAR16);\r | |
1899 | for (Index = BootOptionCount; Index != 0; Index = Index / 10) {\r | |
1900 | MaxSuffixSize += sizeof (CHAR16);\r | |
1901 | }\r | |
1902 | \r | |
1903 | Visited = AllocateZeroPool (sizeof (BOOLEAN) * BootOptionCount);\r | |
1904 | ASSERT (Visited != NULL);\r | |
1905 | \r | |
1906 | for (Base = 0; Base < BootOptionCount; Base++) {\r | |
1907 | if (!Visited[Base]) {\r | |
1908 | MatchCount = 1;\r | |
1909 | Visited[Base] = TRUE;\r | |
1910 | DescriptionSize = StrSize (BootOptions[Base].Description);\r | |
1911 | for (Index = Base + 1; Index < BootOptionCount; Index++) {\r | |
1912 | if (!Visited[Index] && StrCmp (BootOptions[Base].Description, BootOptions[Index].Description) == 0) {\r | |
1913 | Visited[Index] = TRUE;\r | |
1914 | MatchCount++;\r | |
1915 | FreePool (BootOptions[Index].Description);\r | |
1916 | BootOptions[Index].Description = AllocatePool (DescriptionSize + MaxSuffixSize);\r | |
1917 | UnicodeSPrint (\r | |
1918 | BootOptions[Index].Description, DescriptionSize + MaxSuffixSize,\r | |
1919 | L"%s %d",\r | |
1920 | BootOptions[Base].Description, MatchCount\r | |
1921 | );\r | |
1922 | }\r | |
1923 | }\r | |
1924 | }\r | |
1925 | }\r | |
1926 | \r | |
1927 | FreePool (Visited);\r | |
1928 | }\r | |
1929 | \r | |
067ed98a RN |
1930 | /**\r |
1931 | Emuerate all possible bootable medias in the following order:\r | |
1932 | 1. Removable BlockIo - The boot option only points to the removable media\r | |
1933 | device, like USB key, DVD, Floppy etc.\r | |
1934 | 2. Fixed BlockIo - The boot option only points to a Fixed blockIo device,\r | |
1935 | like HardDisk.\r | |
1936 | 3. Non-BlockIo SimpleFileSystem - The boot option points to a device supporting\r | |
1937 | SimpleFileSystem Protocol, but not supporting BlockIo\r | |
1938 | protocol.\r | |
1939 | 4. LoadFile - The boot option points to the media supporting \r | |
1940 | LoadFile protocol.\r | |
1941 | Reference: UEFI Spec chapter 3.3 Boot Option Variables Default Boot Behavior\r | |
1942 | \r | |
1943 | @param BootOptionCount Return the boot option count which has been found.\r | |
1944 | \r | |
1945 | @retval Pointer to the boot option array.\r | |
1946 | **/\r | |
1947 | EFI_BOOT_MANAGER_LOAD_OPTION *\r | |
1948 | BmEnumerateBootOptions (\r | |
1949 | UINTN *BootOptionCount\r | |
1950 | )\r | |
1951 | {\r | |
1952 | EFI_STATUS Status;\r | |
1953 | EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions;\r | |
067ed98a RN |
1954 | UINTN HandleCount;\r |
1955 | EFI_HANDLE *Handles;\r | |
1956 | EFI_BLOCK_IO_PROTOCOL *BlkIo;\r | |
1957 | UINTN Removable;\r | |
1958 | UINTN Index;\r | |
f41c71d2 | 1959 | CHAR16 *Description;\r |
067ed98a RN |
1960 | \r |
1961 | ASSERT (BootOptionCount != NULL);\r | |
1962 | \r | |
1963 | *BootOptionCount = 0;\r | |
1964 | BootOptions = NULL;\r | |
1965 | \r | |
1966 | //\r | |
1967 | // Parse removable block io followed by fixed block io\r | |
1968 | //\r | |
1969 | gBS->LocateHandleBuffer (\r | |
1970 | ByProtocol,\r | |
1971 | &gEfiBlockIoProtocolGuid,\r | |
1972 | NULL,\r | |
1973 | &HandleCount,\r | |
1974 | &Handles\r | |
1975 | );\r | |
1976 | \r | |
1977 | for (Removable = 0; Removable < 2; Removable++) {\r | |
1978 | for (Index = 0; Index < HandleCount; Index++) {\r | |
1979 | Status = gBS->HandleProtocol (\r | |
1980 | Handles[Index],\r | |
1981 | &gEfiBlockIoProtocolGuid,\r | |
1982 | (VOID **) &BlkIo\r | |
1983 | );\r | |
1984 | if (EFI_ERROR (Status)) {\r | |
1985 | continue;\r | |
1986 | }\r | |
1987 | \r | |
1988 | //\r | |
1989 | // Skip the logical partitions\r | |
1990 | //\r | |
1991 | if (BlkIo->Media->LogicalPartition) {\r | |
1992 | continue;\r | |
1993 | }\r | |
1994 | \r | |
1995 | //\r | |
1996 | // Skip the fixed block io then the removable block io\r | |
1997 | //\r | |
1998 | if (BlkIo->Media->RemovableMedia == ((Removable == 0) ? FALSE : TRUE)) {\r | |
1999 | continue;\r | |
2000 | }\r | |
2001 | \r | |
f41c71d2 | 2002 | Description = BmGetBootDescription (Handles[Index]);\r |
067ed98a RN |
2003 | BootOptions = ReallocatePool (\r |
2004 | sizeof (EFI_BOOT_MANAGER_LOAD_OPTION) * (*BootOptionCount),\r | |
2005 | sizeof (EFI_BOOT_MANAGER_LOAD_OPTION) * (*BootOptionCount + 1),\r | |
2006 | BootOptions\r | |
2007 | );\r | |
2008 | ASSERT (BootOptions != NULL);\r | |
2009 | \r | |
2010 | Status = EfiBootManagerInitializeLoadOption (\r | |
2011 | &BootOptions[(*BootOptionCount)++],\r | |
2012 | LoadOptionNumberUnassigned,\r | |
2013 | LoadOptionTypeBoot,\r | |
2014 | LOAD_OPTION_ACTIVE,\r | |
f41c71d2 | 2015 | Description,\r |
067ed98a RN |
2016 | DevicePathFromHandle (Handles[Index]),\r |
2017 | NULL,\r | |
2018 | 0\r | |
2019 | );\r | |
2020 | ASSERT_EFI_ERROR (Status);\r | |
2021 | \r | |
f41c71d2 | 2022 | FreePool (Description);\r |
067ed98a RN |
2023 | }\r |
2024 | }\r | |
2025 | \r | |
2026 | if (HandleCount != 0) {\r | |
2027 | FreePool (Handles);\r | |
2028 | }\r | |
2029 | \r | |
2030 | //\r | |
2031 | // Parse simple file system not based on block io\r | |
2032 | //\r | |
067ed98a RN |
2033 | gBS->LocateHandleBuffer (\r |
2034 | ByProtocol,\r | |
2035 | &gEfiSimpleFileSystemProtocolGuid,\r | |
2036 | NULL,\r | |
2037 | &HandleCount,\r | |
2038 | &Handles\r | |
2039 | );\r | |
2040 | for (Index = 0; Index < HandleCount; Index++) {\r | |
2041 | Status = gBS->HandleProtocol (\r | |
2042 | Handles[Index],\r | |
2043 | &gEfiBlockIoProtocolGuid,\r | |
2044 | (VOID **) &BlkIo\r | |
2045 | );\r | |
2046 | if (!EFI_ERROR (Status)) {\r | |
2047 | //\r | |
2048 | // Skip if the file system handle supports a BlkIo protocol, which we've handled in above\r | |
2049 | //\r | |
2050 | continue;\r | |
2051 | }\r | |
f41c71d2 | 2052 | Description = BmGetBootDescription (Handles[Index]);\r |
067ed98a RN |
2053 | BootOptions = ReallocatePool (\r |
2054 | sizeof (EFI_BOOT_MANAGER_LOAD_OPTION) * (*BootOptionCount),\r | |
2055 | sizeof (EFI_BOOT_MANAGER_LOAD_OPTION) * (*BootOptionCount + 1),\r | |
2056 | BootOptions\r | |
2057 | );\r | |
2058 | ASSERT (BootOptions != NULL);\r | |
2059 | \r | |
2060 | Status = EfiBootManagerInitializeLoadOption (\r | |
2061 | &BootOptions[(*BootOptionCount)++],\r | |
2062 | LoadOptionNumberUnassigned,\r | |
2063 | LoadOptionTypeBoot,\r | |
2064 | LOAD_OPTION_ACTIVE,\r | |
2065 | Description,\r | |
2066 | DevicePathFromHandle (Handles[Index]),\r | |
2067 | NULL,\r | |
2068 | 0\r | |
2069 | );\r | |
2070 | ASSERT_EFI_ERROR (Status);\r | |
f41c71d2 | 2071 | FreePool (Description);\r |
067ed98a RN |
2072 | }\r |
2073 | \r | |
2074 | if (HandleCount != 0) {\r | |
2075 | FreePool (Handles);\r | |
2076 | }\r | |
2077 | \r | |
2078 | //\r | |
2079 | // Parse load file, assuming UEFI Network boot option\r | |
2080 | //\r | |
2081 | gBS->LocateHandleBuffer (\r | |
2082 | ByProtocol,\r | |
2083 | &gEfiLoadFileProtocolGuid,\r | |
2084 | NULL,\r | |
2085 | &HandleCount,\r | |
2086 | &Handles\r | |
2087 | );\r | |
2088 | for (Index = 0; Index < HandleCount; Index++) {\r | |
2089 | \r | |
f41c71d2 | 2090 | Description = BmGetBootDescription (Handles[Index]);\r |
067ed98a RN |
2091 | BootOptions = ReallocatePool (\r |
2092 | sizeof (EFI_BOOT_MANAGER_LOAD_OPTION) * (*BootOptionCount),\r | |
2093 | sizeof (EFI_BOOT_MANAGER_LOAD_OPTION) * (*BootOptionCount + 1),\r | |
2094 | BootOptions\r | |
2095 | );\r | |
2096 | ASSERT (BootOptions != NULL);\r | |
2097 | \r | |
2098 | Status = EfiBootManagerInitializeLoadOption (\r | |
2099 | &BootOptions[(*BootOptionCount)++],\r | |
2100 | LoadOptionNumberUnassigned,\r | |
2101 | LoadOptionTypeBoot,\r | |
2102 | LOAD_OPTION_ACTIVE,\r | |
2103 | Description,\r | |
2104 | DevicePathFromHandle (Handles[Index]),\r | |
2105 | NULL,\r | |
2106 | 0\r | |
2107 | );\r | |
2108 | ASSERT_EFI_ERROR (Status);\r | |
f41c71d2 | 2109 | FreePool (Description);\r |
067ed98a RN |
2110 | }\r |
2111 | \r | |
2112 | if (HandleCount != 0) {\r | |
2113 | FreePool (Handles);\r | |
2114 | }\r | |
2115 | \r | |
d948fe96 | 2116 | BmMakeBootOptionDescriptionUnique (BootOptions, *BootOptionCount);\r |
067ed98a RN |
2117 | return BootOptions;\r |
2118 | }\r | |
2119 | \r | |
2120 | /**\r | |
2121 | The function enumerates all boot options, creates them and registers them in the BootOrder variable.\r | |
2122 | **/\r | |
2123 | VOID\r | |
2124 | EFIAPI\r | |
2125 | EfiBootManagerRefreshAllBootOption (\r | |
2126 | VOID\r | |
2127 | )\r | |
2128 | {\r | |
2129 | EFI_STATUS Status;\r | |
2130 | EFI_BOOT_MANAGER_LOAD_OPTION *NvBootOptions;\r | |
2131 | UINTN NvBootOptionCount;\r | |
2132 | EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions;\r | |
2133 | UINTN BootOptionCount;\r | |
2134 | UINTN Index;\r | |
2135 | \r | |
2136 | //\r | |
2137 | // Optionally refresh the legacy boot option\r | |
2138 | //\r | |
2139 | if (mBmRefreshLegacyBootOption != NULL) {\r | |
2140 | mBmRefreshLegacyBootOption ();\r | |
2141 | }\r | |
2142 | \r | |
2143 | BootOptions = BmEnumerateBootOptions (&BootOptionCount);\r | |
2144 | NvBootOptions = EfiBootManagerGetLoadOptions (&NvBootOptionCount, LoadOptionTypeBoot);\r | |
2145 | \r | |
2146 | //\r | |
2147 | // Mark the boot option as added by BDS by setting OptionalData to a special GUID\r | |
2148 | //\r | |
2149 | for (Index = 0; Index < BootOptionCount; Index++) {\r | |
2150 | BootOptions[Index].OptionalData = AllocateCopyPool (sizeof (EFI_GUID), &mBmAutoCreateBootOptionGuid);\r | |
2151 | BootOptions[Index].OptionalDataSize = sizeof (EFI_GUID);\r | |
2152 | }\r | |
2153 | \r | |
2154 | //\r | |
2155 | // Remove invalid EFI boot options from NV\r | |
2156 | //\r | |
2157 | for (Index = 0; Index < NvBootOptionCount; Index++) {\r | |
2158 | if (((DevicePathType (NvBootOptions[Index].FilePath) != BBS_DEVICE_PATH) || \r | |
2159 | (DevicePathSubType (NvBootOptions[Index].FilePath) != BBS_BBS_DP)\r | |
2160 | ) &&\r | |
2161 | (NvBootOptions[Index].OptionalDataSize == sizeof (EFI_GUID)) &&\r | |
2162 | CompareGuid ((EFI_GUID *) NvBootOptions[Index].OptionalData, &mBmAutoCreateBootOptionGuid)\r | |
2163 | ) {\r | |
2164 | //\r | |
2165 | // Only check those added by BDS\r | |
2166 | // so that the boot options added by end-user or OS installer won't be deleted\r | |
2167 | //\r | |
5d3a9896 | 2168 | if (EfiBootManagerFindLoadOption (&NvBootOptions[Index], BootOptions, BootOptionCount) == (UINTN) -1) {\r |
067ed98a RN |
2169 | Status = EfiBootManagerDeleteLoadOptionVariable (NvBootOptions[Index].OptionNumber, LoadOptionTypeBoot);\r |
2170 | //\r | |
2171 | // Deleting variable with current variable implementation shouldn't fail.\r | |
2172 | //\r | |
2173 | ASSERT_EFI_ERROR (Status);\r | |
2174 | }\r | |
2175 | }\r | |
2176 | }\r | |
2177 | \r | |
2178 | //\r | |
2179 | // Add new EFI boot options to NV\r | |
2180 | //\r | |
2181 | for (Index = 0; Index < BootOptionCount; Index++) {\r | |
5d3a9896 | 2182 | if (EfiBootManagerFindLoadOption (&BootOptions[Index], NvBootOptions, NvBootOptionCount) == (UINTN) -1) {\r |
067ed98a RN |
2183 | EfiBootManagerAddLoadOptionVariable (&BootOptions[Index], (UINTN) -1);\r |
2184 | //\r | |
2185 | // Try best to add the boot options so continue upon failure.\r | |
2186 | //\r | |
2187 | }\r | |
2188 | }\r | |
2189 | \r | |
2190 | EfiBootManagerFreeLoadOptions (BootOptions, BootOptionCount);\r | |
2191 | EfiBootManagerFreeLoadOptions (NvBootOptions, NvBootOptionCount);\r | |
2192 | }\r | |
2193 | \r | |
2194 | /**\r | |
2195 | This function is called to create the boot option for the Boot Manager Menu.\r | |
2196 | \r | |
2197 | The Boot Manager Menu is shown after successfully booting a boot option.\r | |
2198 | Assume the BootManagerMenuFile is in the same FV as the module links to this library.\r | |
2199 | \r | |
2200 | @param BootOption Return the boot option of the Boot Manager Menu\r | |
2201 | \r | |
2202 | @retval EFI_SUCCESS Successfully register the Boot Manager Menu.\r | |
2203 | @retval Status Return status of gRT->SetVariable (). BootOption still points\r | |
2204 | to the Boot Manager Menu even the Status is not EFI_SUCCESS.\r | |
2205 | **/\r | |
2206 | EFI_STATUS\r | |
2207 | BmRegisterBootManagerMenu (\r | |
2208 | OUT EFI_BOOT_MANAGER_LOAD_OPTION *BootOption\r | |
2209 | )\r | |
2210 | {\r | |
2211 | EFI_STATUS Status;\r | |
2212 | CHAR16 *Description;\r | |
2213 | UINTN DescriptionLength;\r | |
2214 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
2215 | EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;\r | |
2216 | MEDIA_FW_VOL_FILEPATH_DEVICE_PATH FileNode;\r | |
2217 | \r | |
2218 | Status = GetSectionFromFv (\r | |
2219 | PcdGetPtr (PcdBootManagerMenuFile),\r | |
2220 | EFI_SECTION_USER_INTERFACE,\r | |
2221 | 0,\r | |
2222 | (VOID **) &Description,\r | |
2223 | &DescriptionLength\r | |
2224 | );\r | |
2225 | if (EFI_ERROR (Status)) {\r | |
2226 | Description = NULL;\r | |
2227 | }\r | |
2228 | \r | |
2229 | EfiInitializeFwVolDevicepathNode (&FileNode, PcdGetPtr (PcdBootManagerMenuFile));\r | |
2230 | Status = gBS->HandleProtocol (\r | |
2231 | gImageHandle,\r | |
2232 | &gEfiLoadedImageProtocolGuid,\r | |
2233 | (VOID **) &LoadedImage\r | |
2234 | );\r | |
2235 | ASSERT_EFI_ERROR (Status);\r | |
2236 | DevicePath = AppendDevicePathNode (\r | |
2237 | DevicePathFromHandle (LoadedImage->DeviceHandle),\r | |
2238 | (EFI_DEVICE_PATH_PROTOCOL *) &FileNode\r | |
2239 | );\r | |
2240 | ASSERT (DevicePath != NULL);\r | |
2241 | \r | |
2242 | Status = EfiBootManagerInitializeLoadOption (\r | |
2243 | BootOption,\r | |
2244 | LoadOptionNumberUnassigned,\r | |
2245 | LoadOptionTypeBoot,\r | |
2246 | LOAD_OPTION_CATEGORY_APP | LOAD_OPTION_ACTIVE | LOAD_OPTION_HIDDEN,\r | |
2247 | (Description != NULL) ? Description : L"Boot Manager Menu",\r | |
2248 | DevicePath,\r | |
2249 | NULL,\r | |
2250 | 0\r | |
2251 | );\r | |
2252 | ASSERT_EFI_ERROR (Status);\r | |
2253 | FreePool (DevicePath);\r | |
2254 | if (Description != NULL) {\r | |
2255 | FreePool (Description);\r | |
2256 | }\r | |
2257 | \r | |
2258 | DEBUG_CODE (\r | |
2259 | EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions;\r | |
2260 | UINTN BootOptionCount;\r | |
2261 | \r | |
2262 | BootOptions = EfiBootManagerGetLoadOptions (&BootOptionCount, LoadOptionTypeBoot);\r | |
5d3a9896 | 2263 | ASSERT (EfiBootManagerFindLoadOption (BootOption, BootOptions, BootOptionCount) == -1);\r |
067ed98a RN |
2264 | EfiBootManagerFreeLoadOptions (BootOptions, BootOptionCount);\r |
2265 | );\r | |
2266 | \r | |
2267 | return EfiBootManagerAddLoadOptionVariable (BootOption, 0);\r | |
2268 | }\r | |
2269 | \r | |
2270 | /**\r | |
2271 | Return the boot option corresponding to the Boot Manager Menu.\r | |
2272 | It may automatically create one if the boot option hasn't been created yet.\r | |
2273 | \r | |
2274 | @param BootOption Return the Boot Manager Menu.\r | |
2275 | \r | |
2276 | @retval EFI_SUCCESS The Boot Manager Menu is successfully returned.\r | |
2277 | @retval Status Return status of gRT->SetVariable (). BootOption still points\r | |
2278 | to the Boot Manager Menu even the Status is not EFI_SUCCESS.\r | |
2279 | **/\r | |
2280 | EFI_STATUS\r | |
2281 | EFIAPI\r | |
2282 | EfiBootManagerGetBootManagerMenu (\r | |
2283 | EFI_BOOT_MANAGER_LOAD_OPTION *BootOption\r | |
2284 | )\r | |
2285 | {\r | |
2286 | EFI_STATUS Status;\r | |
2287 | UINTN BootOptionCount;\r | |
2288 | EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions;\r | |
2289 | UINTN Index;\r | |
2290 | EFI_DEVICE_PATH_PROTOCOL *Node;\r | |
2291 | EFI_HANDLE FvHandle;\r | |
2292 | \r | |
2293 | BootOptions = EfiBootManagerGetLoadOptions (&BootOptionCount, LoadOptionTypeBoot);\r | |
2294 | \r | |
2295 | for (Index = 0; Index < BootOptionCount; Index++) {\r | |
2296 | Node = BootOptions[Index].FilePath;\r | |
2297 | Status = gBS->LocateDevicePath (&gEfiFirmwareVolume2ProtocolGuid, &Node, &FvHandle);\r | |
2298 | if (!EFI_ERROR (Status)) {\r | |
2299 | if (CompareGuid (\r | |
2300 | EfiGetNameGuidFromFwVolDevicePathNode ((CONST MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *) Node),\r | |
2301 | PcdGetPtr (PcdBootManagerMenuFile)\r | |
2302 | )\r | |
2303 | ) { \r | |
2304 | Status = EfiBootManagerInitializeLoadOption (\r | |
2305 | BootOption,\r | |
2306 | BootOptions[Index].OptionNumber,\r | |
2307 | BootOptions[Index].OptionType,\r | |
2308 | BootOptions[Index].Attributes,\r | |
2309 | BootOptions[Index].Description,\r | |
2310 | BootOptions[Index].FilePath,\r | |
2311 | BootOptions[Index].OptionalData,\r | |
2312 | BootOptions[Index].OptionalDataSize\r | |
2313 | );\r | |
2314 | ASSERT_EFI_ERROR (Status);\r | |
2315 | break;\r | |
2316 | }\r | |
2317 | }\r | |
2318 | }\r | |
2319 | \r | |
2320 | EfiBootManagerFreeLoadOptions (BootOptions, BootOptionCount);\r | |
2321 | \r | |
2322 | //\r | |
2323 | // Automatically create the Boot#### for Boot Manager Menu when not found.\r | |
2324 | //\r | |
2325 | if (Index == BootOptionCount) {\r | |
2326 | return BmRegisterBootManagerMenu (BootOption);\r | |
2327 | } else {\r | |
2328 | return EFI_SUCCESS;\r | |
2329 | }\r | |
2330 | }\r | |
2331 | \r |