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