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Commit | Line | Data |
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1f2e80af RN |
1 | /** @file\r |
2 | Library functions which relate with boot option description.\r | |
3 | \r | |
d1102dba | 4 | Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>\r |
1f2e80af | 5 | (C) Copyright 2015 Hewlett Packard Enterprise Development LP<BR>\r |
9d510e61 | 6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
1f2e80af RN |
7 | \r |
8 | **/\r | |
9 | \r | |
10 | #include "InternalBm.h"\r | |
11 | \r | |
1436aea4 MK |
12 | #define VENDOR_IDENTIFICATION_OFFSET 3\r |
13 | #define VENDOR_IDENTIFICATION_LENGTH 8\r | |
14 | #define PRODUCT_IDENTIFICATION_OFFSET 11\r | |
15 | #define PRODUCT_IDENTIFICATION_LENGTH 16\r | |
1f2e80af | 16 | \r |
1436aea4 MK |
17 | CONST UINT16 mBmUsbLangId = 0x0409; // English\r |
18 | CHAR16 mBmUefiPrefix[] = L"UEFI ";\r | |
1f2e80af | 19 | \r |
1436aea4 | 20 | LIST_ENTRY mPlatformBootDescriptionHandlers = INITIALIZE_LIST_HEAD_VARIABLE (mPlatformBootDescriptionHandlers);\r |
1f2e80af RN |
21 | \r |
22 | /**\r | |
23 | For a bootable Device path, return its boot type.\r | |
24 | \r | |
e4c7cefe RN |
25 | @param DevicePath The bootable device Path to check\r |
26 | \r | |
27 | @retval AcpiFloppyBoot If given device path contains ACPI_DEVICE_PATH type device path node\r | |
28 | which HID is floppy device.\r | |
29 | @retval MessageAtapiBoot If given device path contains MESSAGING_DEVICE_PATH type device path node\r | |
30 | and its last device path node's subtype is MSG_ATAPI_DP.\r | |
31 | @retval MessageSataBoot If given device path contains MESSAGING_DEVICE_PATH type device path node\r | |
32 | and its last device path node's subtype is MSG_SATA_DP.\r | |
33 | @retval MessageScsiBoot If given device path contains MESSAGING_DEVICE_PATH type device path node\r | |
34 | and its last device path node's subtype is MSG_SCSI_DP.\r | |
35 | @retval MessageUsbBoot If given device path contains MESSAGING_DEVICE_PATH type device path node\r | |
36 | and its last device path node's subtype is MSG_USB_DP.\r | |
37 | @retval BmMiscBoot If tiven device path doesn't match the above condition.\r | |
1f2e80af RN |
38 | \r |
39 | **/\r | |
40 | BM_BOOT_TYPE\r | |
41 | BmDevicePathType (\r | |
1436aea4 | 42 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath\r |
1f2e80af RN |
43 | )\r |
44 | {\r | |
1436aea4 MK |
45 | EFI_DEVICE_PATH_PROTOCOL *Node;\r |
46 | EFI_DEVICE_PATH_PROTOCOL *NextNode;\r | |
1f2e80af RN |
47 | \r |
48 | ASSERT (DevicePath != NULL);\r | |
49 | \r | |
50 | for (Node = DevicePath; !IsDevicePathEndType (Node); Node = NextDevicePathNode (Node)) {\r | |
51 | switch (DevicePathType (Node)) {\r | |
1f2e80af | 52 | case ACPI_DEVICE_PATH:\r |
1436aea4 | 53 | if (EISA_ID_TO_NUM (((ACPI_HID_DEVICE_PATH *)Node)->HID) == 0x0604) {\r |
1f2e80af RN |
54 | return BmAcpiFloppyBoot;\r |
55 | }\r | |
1436aea4 | 56 | \r |
1f2e80af RN |
57 | break;\r |
58 | \r | |
59 | case HARDWARE_DEVICE_PATH:\r | |
60 | if (DevicePathSubType (Node) == HW_CONTROLLER_DP) {\r | |
61 | return BmHardwareDeviceBoot;\r | |
62 | }\r | |
1436aea4 | 63 | \r |
1f2e80af RN |
64 | break;\r |
65 | \r | |
66 | case MESSAGING_DEVICE_PATH:\r | |
67 | //\r | |
68 | // Skip LUN device node\r | |
69 | //\r | |
70 | NextNode = Node;\r | |
71 | do {\r | |
72 | NextNode = NextDevicePathNode (NextNode);\r | |
73 | } while (\r | |
1436aea4 MK |
74 | (DevicePathType (NextNode) == MESSAGING_DEVICE_PATH) &&\r |
75 | (DevicePathSubType (NextNode) == MSG_DEVICE_LOGICAL_UNIT_DP)\r | |
76 | );\r | |
1f2e80af RN |
77 | \r |
78 | //\r | |
79 | // If the device path not only point to driver device, it is not a messaging device path,\r | |
80 | //\r | |
81 | if (!IsDevicePathEndType (NextNode)) {\r | |
82 | continue;\r | |
83 | }\r | |
84 | \r | |
85 | switch (DevicePathSubType (Node)) {\r | |
1436aea4 MK |
86 | case MSG_ATAPI_DP:\r |
87 | return BmMessageAtapiBoot;\r | |
88 | break;\r | |
1f2e80af | 89 | \r |
1436aea4 MK |
90 | case MSG_SATA_DP:\r |
91 | return BmMessageSataBoot;\r | |
92 | break;\r | |
1f2e80af | 93 | \r |
1436aea4 MK |
94 | case MSG_USB_DP:\r |
95 | return BmMessageUsbBoot;\r | |
96 | break;\r | |
1f2e80af | 97 | \r |
1436aea4 MK |
98 | case MSG_SCSI_DP:\r |
99 | return BmMessageScsiBoot;\r | |
100 | break;\r | |
1f2e80af RN |
101 | }\r |
102 | }\r | |
103 | }\r | |
104 | \r | |
105 | return BmMiscBoot;\r | |
106 | }\r | |
107 | \r | |
108 | /**\r | |
109 | Eliminate the extra spaces in the Str to one space.\r | |
110 | \r | |
111 | @param Str Input string info.\r | |
112 | **/\r | |
113 | VOID\r | |
114 | BmEliminateExtraSpaces (\r | |
1436aea4 | 115 | IN CHAR16 *Str\r |
1f2e80af RN |
116 | )\r |
117 | {\r | |
1436aea4 MK |
118 | UINTN Index;\r |
119 | UINTN ActualIndex;\r | |
1f2e80af RN |
120 | \r |
121 | for (Index = 0, ActualIndex = 0; Str[Index] != L'\0'; Index++) {\r | |
122 | if ((Str[Index] != L' ') || ((ActualIndex > 0) && (Str[ActualIndex - 1] != L' '))) {\r | |
123 | Str[ActualIndex++] = Str[Index];\r | |
124 | }\r | |
125 | }\r | |
1436aea4 | 126 | \r |
1f2e80af RN |
127 | Str[ActualIndex] = L'\0';\r |
128 | }\r | |
129 | \r | |
130 | /**\r | |
131 | Try to get the controller's ATA/ATAPI description.\r | |
132 | \r | |
133 | @param Handle Controller handle.\r | |
134 | \r | |
135 | @return The description string.\r | |
136 | **/\r | |
137 | CHAR16 *\r | |
138 | BmGetDescriptionFromDiskInfo (\r | |
1436aea4 | 139 | IN EFI_HANDLE Handle\r |
1f2e80af RN |
140 | )\r |
141 | {\r | |
1436aea4 MK |
142 | UINTN Index;\r |
143 | EFI_STATUS Status;\r | |
144 | EFI_DISK_INFO_PROTOCOL *DiskInfo;\r | |
145 | UINT32 BufferSize;\r | |
146 | EFI_ATAPI_IDENTIFY_DATA IdentifyData;\r | |
147 | EFI_SCSI_INQUIRY_DATA InquiryData;\r | |
148 | CHAR16 *Description;\r | |
149 | UINTN Length;\r | |
150 | CONST UINTN ModelNameLength = 40;\r | |
151 | CONST UINTN SerialNumberLength = 20;\r | |
152 | CHAR8 *StrPtr;\r | |
153 | UINT8 Temp;\r | |
154 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
155 | \r | |
156 | Description = NULL;\r | |
1f2e80af RN |
157 | \r |
158 | Status = gBS->HandleProtocol (\r | |
159 | Handle,\r | |
160 | &gEfiDiskInfoProtocolGuid,\r | |
1436aea4 | 161 | (VOID **)&DiskInfo\r |
1f2e80af RN |
162 | );\r |
163 | if (EFI_ERROR (Status)) {\r | |
164 | return NULL;\r | |
165 | }\r | |
166 | \r | |
167 | if (CompareGuid (&DiskInfo->Interface, &gEfiDiskInfoAhciInterfaceGuid) ||\r | |
1436aea4 MK |
168 | CompareGuid (&DiskInfo->Interface, &gEfiDiskInfoIdeInterfaceGuid))\r |
169 | {\r | |
170 | BufferSize = sizeof (EFI_ATAPI_IDENTIFY_DATA);\r | |
171 | Status = DiskInfo->Identify (\r | |
172 | DiskInfo,\r | |
173 | &IdentifyData,\r | |
174 | &BufferSize\r | |
175 | );\r | |
1f2e80af RN |
176 | if (!EFI_ERROR (Status)) {\r |
177 | Description = AllocateZeroPool ((ModelNameLength + SerialNumberLength + 2) * sizeof (CHAR16));\r | |
178 | ASSERT (Description != NULL);\r | |
179 | for (Index = 0; Index + 1 < ModelNameLength; Index += 2) {\r | |
1436aea4 MK |
180 | Description[Index] = (CHAR16)IdentifyData.ModelName[Index + 1];\r |
181 | Description[Index + 1] = (CHAR16)IdentifyData.ModelName[Index];\r | |
1f2e80af RN |
182 | }\r |
183 | \r | |
1436aea4 | 184 | Length = Index;\r |
1f2e80af RN |
185 | Description[Length++] = L' ';\r |
186 | \r | |
187 | for (Index = 0; Index + 1 < SerialNumberLength; Index += 2) {\r | |
1436aea4 MK |
188 | Description[Length + Index] = (CHAR16)IdentifyData.SerialNo[Index + 1];\r |
189 | Description[Length + Index + 1] = (CHAR16)IdentifyData.SerialNo[Index];\r | |
1f2e80af | 190 | }\r |
1436aea4 MK |
191 | \r |
192 | Length += Index;\r | |
1f2e80af RN |
193 | Description[Length++] = L'\0';\r |
194 | ASSERT (Length == ModelNameLength + SerialNumberLength + 2);\r | |
195 | \r | |
196 | BmEliminateExtraSpaces (Description);\r | |
197 | }\r | |
5ff7d712 JB |
198 | } else if (CompareGuid (&DiskInfo->Interface, &gEfiDiskInfoScsiInterfaceGuid) ||\r |
199 | CompareGuid (&DiskInfo->Interface, &gEfiDiskInfoUfsInterfaceGuid))\r | |
200 | {\r | |
1436aea4 MK |
201 | BufferSize = sizeof (EFI_SCSI_INQUIRY_DATA);\r |
202 | Status = DiskInfo->Inquiry (\r | |
203 | DiskInfo,\r | |
204 | &InquiryData,\r | |
205 | &BufferSize\r | |
206 | );\r | |
1f2e80af RN |
207 | if (!EFI_ERROR (Status)) {\r |
208 | Description = AllocateZeroPool ((VENDOR_IDENTIFICATION_LENGTH + PRODUCT_IDENTIFICATION_LENGTH + 2) * sizeof (CHAR16));\r | |
209 | ASSERT (Description != NULL);\r | |
210 | \r | |
211 | //\r | |
212 | // Per SCSI spec, EFI_SCSI_INQUIRY_DATA.Reserved_5_95[3 - 10] save the Verdor identification\r | |
213 | // EFI_SCSI_INQUIRY_DATA.Reserved_5_95[11 - 26] save the product identification,\r | |
214 | // Here combine the vendor identification and product identification to the description.\r | |
215 | //\r | |
1436aea4 MK |
216 | StrPtr = (CHAR8 *)(&InquiryData.Reserved_5_95[VENDOR_IDENTIFICATION_OFFSET]);\r |
217 | Temp = StrPtr[VENDOR_IDENTIFICATION_LENGTH];\r | |
1f2e80af | 218 | StrPtr[VENDOR_IDENTIFICATION_LENGTH] = '\0';\r |
b68ccac1 | 219 | AsciiStrToUnicodeStrS (StrPtr, Description, VENDOR_IDENTIFICATION_LENGTH + 1);\r |
1f2e80af RN |
220 | StrPtr[VENDOR_IDENTIFICATION_LENGTH] = Temp;\r |
221 | \r | |
222 | //\r | |
223 | // Add one space at the middle of vendor information and product information.\r | |
224 | //\r | |
225 | Description[VENDOR_IDENTIFICATION_LENGTH] = L' ';\r | |
226 | \r | |
1436aea4 | 227 | StrPtr = (CHAR8 *)(&InquiryData.Reserved_5_95[PRODUCT_IDENTIFICATION_OFFSET]);\r |
1f2e80af | 228 | StrPtr[PRODUCT_IDENTIFICATION_LENGTH] = '\0';\r |
b68ccac1 | 229 | AsciiStrToUnicodeStrS (StrPtr, Description + VENDOR_IDENTIFICATION_LENGTH + 1, PRODUCT_IDENTIFICATION_LENGTH + 1);\r |
1f2e80af RN |
230 | \r |
231 | BmEliminateExtraSpaces (Description);\r | |
232 | }\r | |
3f3a69b8 HW |
233 | } else if (CompareGuid (&DiskInfo->Interface, &gEfiDiskInfoSdMmcInterfaceGuid)) {\r |
234 | DevicePath = DevicePathFromHandle (Handle);\r | |
235 | if (DevicePath == NULL) {\r | |
236 | return NULL;\r | |
237 | }\r | |
238 | \r | |
239 | while (!IsDevicePathEnd (DevicePath) && (DevicePathType (DevicePath) != MESSAGING_DEVICE_PATH)) {\r | |
240 | DevicePath = NextDevicePathNode (DevicePath);\r | |
241 | }\r | |
1436aea4 | 242 | \r |
3f3a69b8 HW |
243 | if (IsDevicePathEnd (DevicePath)) {\r |
244 | return NULL;\r | |
245 | }\r | |
246 | \r | |
247 | if (DevicePathSubType (DevicePath) == MSG_SD_DP) {\r | |
248 | Description = L"SD Device";\r | |
249 | } else if (DevicePathSubType (DevicePath) == MSG_EMMC_DP) {\r | |
250 | Description = L"eMMC Device";\r | |
251 | } else {\r | |
252 | return NULL;\r | |
253 | }\r | |
254 | \r | |
255 | Description = AllocateCopyPool (StrSize (Description), Description);\r | |
1f2e80af RN |
256 | }\r |
257 | \r | |
258 | return Description;\r | |
259 | }\r | |
260 | \r | |
261 | /**\r | |
262 | Try to get the controller's USB description.\r | |
263 | \r | |
264 | @param Handle Controller handle.\r | |
265 | \r | |
266 | @return The description string.\r | |
267 | **/\r | |
268 | CHAR16 *\r | |
269 | BmGetUsbDescription (\r | |
1436aea4 | 270 | IN EFI_HANDLE Handle\r |
1f2e80af RN |
271 | )\r |
272 | {\r | |
1436aea4 MK |
273 | EFI_STATUS Status;\r |
274 | EFI_USB_IO_PROTOCOL *UsbIo;\r | |
275 | CHAR16 NullChar;\r | |
276 | CHAR16 *Manufacturer;\r | |
277 | CHAR16 *Product;\r | |
278 | CHAR16 *SerialNumber;\r | |
279 | CHAR16 *Description;\r | |
280 | EFI_USB_DEVICE_DESCRIPTOR DevDesc;\r | |
281 | UINTN DescMaxSize;\r | |
1f2e80af RN |
282 | \r |
283 | Status = gBS->HandleProtocol (\r | |
284 | Handle,\r | |
285 | &gEfiUsbIoProtocolGuid,\r | |
1436aea4 | 286 | (VOID **)&UsbIo\r |
1f2e80af RN |
287 | );\r |
288 | if (EFI_ERROR (Status)) {\r | |
289 | return NULL;\r | |
290 | }\r | |
291 | \r | |
292 | NullChar = L'\0';\r | |
293 | \r | |
294 | Status = UsbIo->UsbGetDeviceDescriptor (UsbIo, &DevDesc);\r | |
295 | if (EFI_ERROR (Status)) {\r | |
296 | return NULL;\r | |
297 | }\r | |
298 | \r | |
299 | Status = UsbIo->UsbGetStringDescriptor (\r | |
300 | UsbIo,\r | |
301 | mBmUsbLangId,\r | |
302 | DevDesc.StrManufacturer,\r | |
303 | &Manufacturer\r | |
304 | );\r | |
305 | if (EFI_ERROR (Status)) {\r | |
306 | Manufacturer = &NullChar;\r | |
307 | }\r | |
308 | \r | |
309 | Status = UsbIo->UsbGetStringDescriptor (\r | |
310 | UsbIo,\r | |
311 | mBmUsbLangId,\r | |
312 | DevDesc.StrProduct,\r | |
313 | &Product\r | |
314 | );\r | |
315 | if (EFI_ERROR (Status)) {\r | |
316 | Product = &NullChar;\r | |
317 | }\r | |
318 | \r | |
319 | Status = UsbIo->UsbGetStringDescriptor (\r | |
320 | UsbIo,\r | |
321 | mBmUsbLangId,\r | |
322 | DevDesc.StrSerialNumber,\r | |
323 | &SerialNumber\r | |
324 | );\r | |
325 | if (EFI_ERROR (Status)) {\r | |
326 | SerialNumber = &NullChar;\r | |
327 | }\r | |
328 | \r | |
329 | if ((Manufacturer == &NullChar) &&\r | |
330 | (Product == &NullChar) &&\r | |
331 | (SerialNumber == &NullChar)\r | |
1436aea4 MK |
332 | )\r |
333 | {\r | |
1f2e80af RN |
334 | return NULL;\r |
335 | }\r | |
336 | \r | |
337 | DescMaxSize = StrSize (Manufacturer) + StrSize (Product) + StrSize (SerialNumber);\r | |
338 | Description = AllocateZeroPool (DescMaxSize);\r | |
339 | ASSERT (Description != NULL);\r | |
1436aea4 MK |
340 | StrCatS (Description, DescMaxSize/sizeof (CHAR16), Manufacturer);\r |
341 | StrCatS (Description, DescMaxSize/sizeof (CHAR16), L" ");\r | |
1f2e80af | 342 | \r |
1436aea4 MK |
343 | StrCatS (Description, DescMaxSize/sizeof (CHAR16), Product);\r |
344 | StrCatS (Description, DescMaxSize/sizeof (CHAR16), L" ");\r | |
1f2e80af | 345 | \r |
1436aea4 | 346 | StrCatS (Description, DescMaxSize/sizeof (CHAR16), SerialNumber);\r |
1f2e80af RN |
347 | \r |
348 | if (Manufacturer != &NullChar) {\r | |
349 | FreePool (Manufacturer);\r | |
350 | }\r | |
1436aea4 | 351 | \r |
1f2e80af RN |
352 | if (Product != &NullChar) {\r |
353 | FreePool (Product);\r | |
354 | }\r | |
1436aea4 | 355 | \r |
1f2e80af RN |
356 | if (SerialNumber != &NullChar) {\r |
357 | FreePool (SerialNumber);\r | |
358 | }\r | |
359 | \r | |
360 | BmEliminateExtraSpaces (Description);\r | |
361 | \r | |
362 | return Description;\r | |
363 | }\r | |
364 | \r | |
e4c7cefe RN |
365 | /**\r |
366 | Return the description for network boot device.\r | |
367 | \r | |
368 | @param Handle Controller handle.\r | |
369 | \r | |
370 | @return The description string.\r | |
371 | **/\r | |
372 | CHAR16 *\r | |
373 | BmGetNetworkDescription (\r | |
1436aea4 | 374 | IN EFI_HANDLE Handle\r |
e4c7cefe RN |
375 | )\r |
376 | {\r | |
1436aea4 MK |
377 | EFI_STATUS Status;\r |
378 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
379 | MAC_ADDR_DEVICE_PATH *Mac;\r | |
380 | VLAN_DEVICE_PATH *Vlan;\r | |
381 | EFI_DEVICE_PATH_PROTOCOL *Ip;\r | |
382 | EFI_DEVICE_PATH_PROTOCOL *Uri;\r | |
383 | CHAR16 *Description;\r | |
384 | UINTN DescriptionSize;\r | |
e4c7cefe RN |
385 | \r |
386 | Status = gBS->OpenProtocol (\r | |
387 | Handle,\r | |
388 | &gEfiLoadFileProtocolGuid,\r | |
389 | NULL,\r | |
390 | gImageHandle,\r | |
391 | Handle,\r | |
392 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
393 | );\r | |
394 | if (EFI_ERROR (Status)) {\r | |
395 | return NULL;\r | |
396 | }\r | |
397 | \r | |
398 | Status = gBS->OpenProtocol (\r | |
399 | Handle,\r | |
400 | &gEfiDevicePathProtocolGuid,\r | |
1436aea4 | 401 | (VOID **)&DevicePath,\r |
e4c7cefe RN |
402 | gImageHandle,\r |
403 | Handle,\r | |
404 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
405 | );\r | |
406 | if (EFI_ERROR (Status) || (DevicePath == NULL)) {\r | |
407 | return NULL;\r | |
408 | }\r | |
409 | \r | |
410 | //\r | |
411 | // The PXE device path is like:\r | |
6bbd4a8f RN |
412 | // ....../Mac(...)[/Vlan(...)][/Wi-Fi(...)]\r |
413 | // ....../Mac(...)[/Vlan(...)][/Wi-Fi(...)]/IPv4(...)\r | |
414 | // ....../Mac(...)[/Vlan(...)][/Wi-Fi(...)]/IPv6(...)\r | |
e4c7cefe RN |
415 | //\r |
416 | // The HTTP device path is like:\r | |
67e0bbd6 JW |
417 | // ....../Mac(...)[/Vlan(...)][/Wi-Fi(...)]/IPv4(...)[/Dns(...)]/Uri(...)\r |
418 | // ....../Mac(...)[/Vlan(...)][/Wi-Fi(...)]/IPv6(...)[/Dns(...)]/Uri(...)\r | |
e4c7cefe RN |
419 | //\r |
420 | while (!IsDevicePathEnd (DevicePath) &&\r | |
421 | ((DevicePathType (DevicePath) != MESSAGING_DEVICE_PATH) ||\r | |
422 | (DevicePathSubType (DevicePath) != MSG_MAC_ADDR_DP))\r | |
1436aea4 MK |
423 | )\r |
424 | {\r | |
e4c7cefe RN |
425 | DevicePath = NextDevicePathNode (DevicePath);\r |
426 | }\r | |
427 | \r | |
428 | if (IsDevicePathEnd (DevicePath)) {\r | |
429 | return NULL;\r | |
430 | }\r | |
431 | \r | |
1436aea4 | 432 | Mac = (MAC_ADDR_DEVICE_PATH *)DevicePath;\r |
e4c7cefe RN |
433 | DevicePath = NextDevicePathNode (DevicePath);\r |
434 | \r | |
6bbd4a8f RN |
435 | //\r |
436 | // Locate the optional Vlan node\r | |
437 | //\r | |
e4c7cefe RN |
438 | if ((DevicePathType (DevicePath) == MESSAGING_DEVICE_PATH) &&\r |
439 | (DevicePathSubType (DevicePath) == MSG_VLAN_DP)\r | |
1436aea4 MK |
440 | )\r |
441 | {\r | |
442 | Vlan = (VLAN_DEVICE_PATH *)DevicePath;\r | |
e4c7cefe RN |
443 | DevicePath = NextDevicePathNode (DevicePath);\r |
444 | } else {\r | |
445 | Vlan = NULL;\r | |
446 | }\r | |
447 | \r | |
6bbd4a8f RN |
448 | //\r |
449 | // Skip the optional Wi-Fi node\r | |
450 | //\r | |
451 | if ((DevicePathType (DevicePath) == MESSAGING_DEVICE_PATH) &&\r | |
452 | (DevicePathSubType (DevicePath) == MSG_WIFI_DP)\r | |
1436aea4 MK |
453 | )\r |
454 | {\r | |
6bbd4a8f RN |
455 | DevicePath = NextDevicePathNode (DevicePath);\r |
456 | }\r | |
457 | \r | |
458 | //\r | |
459 | // Locate the IP node\r | |
460 | //\r | |
e4c7cefe RN |
461 | if ((DevicePathType (DevicePath) == MESSAGING_DEVICE_PATH) &&\r |
462 | ((DevicePathSubType (DevicePath) == MSG_IPv4_DP) ||\r | |
463 | (DevicePathSubType (DevicePath) == MSG_IPv6_DP))\r | |
1436aea4 MK |
464 | )\r |
465 | {\r | |
466 | Ip = DevicePath;\r | |
e4c7cefe RN |
467 | DevicePath = NextDevicePathNode (DevicePath);\r |
468 | } else {\r | |
469 | Ip = NULL;\r | |
470 | }\r | |
d1102dba | 471 | \r |
67e0bbd6 JW |
472 | //\r |
473 | // Skip the optional DNS node\r | |
474 | //\r | |
475 | if ((DevicePathType (DevicePath) == MESSAGING_DEVICE_PATH) &&\r | |
476 | (DevicePathSubType (DevicePath) == MSG_DNS_DP)\r | |
1436aea4 MK |
477 | )\r |
478 | {\r | |
67e0bbd6 JW |
479 | DevicePath = NextDevicePathNode (DevicePath);\r |
480 | }\r | |
e4c7cefe | 481 | \r |
6bbd4a8f RN |
482 | //\r |
483 | // Locate the URI node\r | |
484 | //\r | |
e4c7cefe RN |
485 | if ((DevicePathType (DevicePath) == MESSAGING_DEVICE_PATH) &&\r |
486 | (DevicePathSubType (DevicePath) == MSG_URI_DP)\r | |
1436aea4 MK |
487 | )\r |
488 | {\r | |
489 | Uri = DevicePath;\r | |
e4c7cefe RN |
490 | DevicePath = NextDevicePathNode (DevicePath);\r |
491 | } else {\r | |
492 | Uri = NULL;\r | |
493 | }\r | |
494 | \r | |
495 | //\r | |
496 | // Build description like below:\r | |
497 | // "PXEv6 (MAC:112233445566 VLAN1)"\r | |
498 | // "HTTPv4 (MAC:112233445566)"\r | |
499 | //\r | |
500 | DescriptionSize = sizeof (L"HTTPv6 (MAC:112233445566 VLAN65535)");\r | |
501 | Description = AllocatePool (DescriptionSize);\r | |
502 | ASSERT (Description != NULL);\r | |
503 | UnicodeSPrint (\r | |
1436aea4 MK |
504 | Description,\r |
505 | DescriptionSize,\r | |
e4c7cefe RN |
506 | (Vlan == NULL) ?\r |
507 | L"%sv%d (MAC:%02x%02x%02x%02x%02x%02x)" :\r | |
508 | L"%sv%d (MAC:%02x%02x%02x%02x%02x%02x VLAN%d)",\r | |
509 | (Uri == NULL) ? L"PXE" : L"HTTP",\r | |
510 | ((Ip == NULL) || (DevicePathSubType (Ip) == MSG_IPv4_DP)) ? 4 : 6,\r | |
1436aea4 MK |
511 | Mac->MacAddress.Addr[0],\r |
512 | Mac->MacAddress.Addr[1],\r | |
513 | Mac->MacAddress.Addr[2],\r | |
514 | Mac->MacAddress.Addr[3],\r | |
515 | Mac->MacAddress.Addr[4],\r | |
516 | Mac->MacAddress.Addr[5],\r | |
e4c7cefe RN |
517 | (Vlan == NULL) ? 0 : Vlan->VlanId\r |
518 | );\r | |
519 | return Description;\r | |
520 | }\r | |
521 | \r | |
fa9f986c LG |
522 | /**\r |
523 | Return the boot description for LoadFile\r | |
524 | \r | |
525 | @param Handle Controller handle.\r | |
526 | \r | |
527 | @return The description string.\r | |
528 | **/\r | |
529 | CHAR16 *\r | |
530 | BmGetLoadFileDescription (\r | |
1436aea4 | 531 | IN EFI_HANDLE Handle\r |
fa9f986c LG |
532 | )\r |
533 | {\r | |
1436aea4 MK |
534 | EFI_STATUS Status;\r |
535 | EFI_DEVICE_PATH_PROTOCOL *FilePath;\r | |
536 | EFI_DEVICE_PATH_PROTOCOL *DevicePathNode;\r | |
537 | CHAR16 *Description;\r | |
538 | EFI_LOAD_FILE_PROTOCOL *LoadFile;\r | |
fa9f986c LG |
539 | \r |
540 | Status = gBS->HandleProtocol (Handle, &gEfiLoadFileProtocolGuid, (VOID **)&LoadFile);\r | |
541 | if (EFI_ERROR (Status)) {\r | |
542 | return NULL;\r | |
543 | }\r | |
544 | \r | |
545 | //\r | |
546 | // Get the file name\r | |
547 | //\r | |
548 | Description = NULL;\r | |
1436aea4 | 549 | Status = gBS->HandleProtocol (Handle, &gEfiDevicePathProtocolGuid, (VOID **)&FilePath);\r |
fa9f986c LG |
550 | if (!EFI_ERROR (Status)) {\r |
551 | DevicePathNode = FilePath;\r | |
552 | while (!IsDevicePathEnd (DevicePathNode)) {\r | |
1436aea4 | 553 | if ((DevicePathNode->Type == MEDIA_DEVICE_PATH) && (DevicePathNode->SubType == MEDIA_FILEPATH_DP)) {\r |
fa9f986c LG |
554 | Description = (CHAR16 *)(DevicePathNode + 1);\r |
555 | break;\r | |
556 | }\r | |
1436aea4 | 557 | \r |
fa9f986c LG |
558 | DevicePathNode = NextDevicePathNode (DevicePathNode);\r |
559 | }\r | |
560 | }\r | |
561 | \r | |
562 | if (Description != NULL) {\r | |
563 | return AllocateCopyPool (StrSize (Description), Description);\r | |
564 | }\r | |
565 | \r | |
566 | return NULL;\r | |
567 | }\r | |
568 | \r | |
54127af5 RN |
569 | /**\r |
570 | Return the boot description for NVME boot device.\r | |
571 | \r | |
572 | @param Handle Controller handle.\r | |
573 | \r | |
574 | @return The description string.\r | |
575 | **/\r | |
576 | CHAR16 *\r | |
577 | BmGetNvmeDescription (\r | |
1436aea4 | 578 | IN EFI_HANDLE Handle\r |
54127af5 RN |
579 | )\r |
580 | {\r | |
1436aea4 MK |
581 | EFI_STATUS Status;\r |
582 | EFI_NVM_EXPRESS_PASS_THRU_PROTOCOL *NvmePassthru;\r | |
583 | EFI_DEV_PATH_PTR DevicePath;\r | |
584 | EFI_NVM_EXPRESS_PASS_THRU_COMMAND_PACKET CommandPacket;\r | |
585 | EFI_NVM_EXPRESS_COMMAND Command;\r | |
586 | EFI_NVM_EXPRESS_COMPLETION Completion;\r | |
587 | NVME_ADMIN_CONTROLLER_DATA ControllerData;\r | |
588 | CHAR16 *Description;\r | |
589 | CHAR16 *Char;\r | |
590 | UINTN Index;\r | |
591 | \r | |
592 | Status = gBS->HandleProtocol (Handle, &gEfiDevicePathProtocolGuid, (VOID **)&DevicePath.DevPath);\r | |
54127af5 RN |
593 | if (EFI_ERROR (Status)) {\r |
594 | return NULL;\r | |
595 | }\r | |
596 | \r | |
597 | Status = gBS->LocateDevicePath (&gEfiNvmExpressPassThruProtocolGuid, &DevicePath.DevPath, &Handle);\r | |
598 | if (EFI_ERROR (Status) ||\r | |
599 | (DevicePathType (DevicePath.DevPath) != MESSAGING_DEVICE_PATH) ||\r | |
1436aea4 MK |
600 | (DevicePathSubType (DevicePath.DevPath) != MSG_NVME_NAMESPACE_DP))\r |
601 | {\r | |
54127af5 RN |
602 | //\r |
603 | // Do not return description when the Handle is not a child of NVME controller.\r | |
604 | //\r | |
605 | return NULL;\r | |
606 | }\r | |
607 | \r | |
608 | //\r | |
609 | // Send ADMIN_IDENTIFY command to NVME controller to get the model and serial number.\r | |
610 | //\r | |
1436aea4 | 611 | Status = gBS->HandleProtocol (Handle, &gEfiNvmExpressPassThruProtocolGuid, (VOID **)&NvmePassthru);\r |
54127af5 RN |
612 | ASSERT_EFI_ERROR (Status);\r |
613 | \r | |
1436aea4 MK |
614 | ZeroMem (&CommandPacket, sizeof (EFI_NVM_EXPRESS_PASS_THRU_COMMAND_PACKET));\r |
615 | ZeroMem (&Command, sizeof (EFI_NVM_EXPRESS_COMMAND));\r | |
616 | ZeroMem (&Completion, sizeof (EFI_NVM_EXPRESS_COMPLETION));\r | |
54127af5 RN |
617 | \r |
618 | Command.Cdw0.Opcode = NVME_ADMIN_IDENTIFY_CMD;\r | |
619 | //\r | |
620 | // According to Nvm Express 1.1 spec Figure 38, When not used, the field shall be cleared to 0h.\r | |
621 | // For the Identify command, the Namespace Identifier is only used for the Namespace data structure.\r | |
622 | //\r | |
1436aea4 | 623 | Command.Nsid = 0;\r |
54127af5 RN |
624 | CommandPacket.NvmeCmd = &Command;\r |
625 | CommandPacket.NvmeCompletion = &Completion;\r | |
626 | CommandPacket.TransferBuffer = &ControllerData;\r | |
627 | CommandPacket.TransferLength = sizeof (ControllerData);\r | |
628 | CommandPacket.CommandTimeout = EFI_TIMER_PERIOD_SECONDS (5);\r | |
629 | CommandPacket.QueueType = NVME_ADMIN_QUEUE;\r | |
630 | //\r | |
631 | // Set bit 0 (Cns bit) to 1 to identify a controller\r | |
632 | //\r | |
1436aea4 MK |
633 | Command.Cdw10 = 1;\r |
634 | Command.Flags = CDW10_VALID;\r | |
54127af5 RN |
635 | \r |
636 | Status = NvmePassthru->PassThru (\r | |
1436aea4 MK |
637 | NvmePassthru,\r |
638 | 0,\r | |
639 | &CommandPacket,\r | |
640 | NULL\r | |
641 | );\r | |
54127af5 RN |
642 | if (EFI_ERROR (Status)) {\r |
643 | return NULL;\r | |
644 | }\r | |
645 | \r | |
646 | Description = AllocateZeroPool (\r | |
647 | (ARRAY_SIZE (ControllerData.Mn) + 1\r | |
648 | + ARRAY_SIZE (ControllerData.Sn) + 1\r | |
649 | + MAXIMUM_VALUE_CHARACTERS + 1\r | |
1436aea4 MK |
650 | ) * sizeof (CHAR16)\r |
651 | );\r | |
54127af5 RN |
652 | if (Description != NULL) {\r |
653 | Char = Description;\r | |
654 | for (Index = 0; Index < ARRAY_SIZE (ControllerData.Mn); Index++) {\r | |
1436aea4 | 655 | *(Char++) = (CHAR16)ControllerData.Mn[Index];\r |
54127af5 | 656 | }\r |
1436aea4 | 657 | \r |
54127af5 RN |
658 | *(Char++) = L' ';\r |
659 | for (Index = 0; Index < ARRAY_SIZE (ControllerData.Sn); Index++) {\r | |
1436aea4 | 660 | *(Char++) = (CHAR16)ControllerData.Sn[Index];\r |
54127af5 | 661 | }\r |
1436aea4 | 662 | \r |
54127af5 RN |
663 | *(Char++) = L' ';\r |
664 | UnicodeValueToStringS (\r | |
1436aea4 MK |
665 | Char,\r |
666 | sizeof (CHAR16) * (MAXIMUM_VALUE_CHARACTERS + 1),\r | |
667 | 0,\r | |
668 | DevicePath.NvmeNamespace->NamespaceId,\r | |
669 | 0\r | |
54127af5 RN |
670 | );\r |
671 | BmEliminateExtraSpaces (Description);\r | |
672 | }\r | |
673 | \r | |
674 | return Description;\r | |
675 | }\r | |
676 | \r | |
1f2e80af RN |
677 | /**\r |
678 | Return the boot description for the controller based on the type.\r | |
679 | \r | |
680 | @param Handle Controller handle.\r | |
681 | \r | |
682 | @return The description string.\r | |
683 | **/\r | |
684 | CHAR16 *\r | |
685 | BmGetMiscDescription (\r | |
1436aea4 | 686 | IN EFI_HANDLE Handle\r |
1f2e80af RN |
687 | )\r |
688 | {\r | |
1436aea4 MK |
689 | EFI_STATUS Status;\r |
690 | CHAR16 *Description;\r | |
691 | EFI_BLOCK_IO_PROTOCOL *BlockIo;\r | |
692 | EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *Fs;\r | |
1f2e80af RN |
693 | \r |
694 | switch (BmDevicePathType (DevicePathFromHandle (Handle))) {\r | |
1436aea4 MK |
695 | case BmAcpiFloppyBoot:\r |
696 | Description = L"Floppy";\r | |
697 | break;\r | |
698 | \r | |
699 | case BmMessageAtapiBoot:\r | |
700 | case BmMessageSataBoot:\r | |
701 | Status = gBS->HandleProtocol (Handle, &gEfiBlockIoProtocolGuid, (VOID **)&BlockIo);\r | |
702 | ASSERT_EFI_ERROR (Status);\r | |
703 | //\r | |
704 | // Assume a removable SATA device should be the DVD/CD device\r | |
705 | //\r | |
706 | Description = BlockIo->Media->RemovableMedia ? L"DVD/CDROM" : L"Hard Drive";\r | |
707 | break;\r | |
1f2e80af | 708 | \r |
1436aea4 MK |
709 | case BmMessageUsbBoot:\r |
710 | Description = L"USB Device";\r | |
711 | break;\r | |
1f2e80af | 712 | \r |
1436aea4 MK |
713 | case BmMessageScsiBoot:\r |
714 | Description = L"SCSI Device";\r | |
715 | break;\r | |
1f2e80af | 716 | \r |
1436aea4 MK |
717 | case BmHardwareDeviceBoot:\r |
718 | Status = gBS->HandleProtocol (Handle, &gEfiBlockIoProtocolGuid, (VOID **)&BlockIo);\r | |
719 | if (!EFI_ERROR (Status)) {\r | |
720 | Description = BlockIo->Media->RemovableMedia ? L"Removable Disk" : L"Hard Drive";\r | |
721 | } else {\r | |
722 | Description = L"Misc Device";\r | |
723 | }\r | |
1f2e80af | 724 | \r |
1436aea4 MK |
725 | break;\r |
726 | \r | |
727 | default:\r | |
728 | Status = gBS->HandleProtocol (Handle, &gEfiSimpleFileSystemProtocolGuid, (VOID **)&Fs);\r | |
729 | if (!EFI_ERROR (Status)) {\r | |
730 | Description = L"Non-Block Boot Device";\r | |
731 | } else {\r | |
732 | Description = L"Misc Device";\r | |
733 | }\r | |
734 | \r | |
735 | break;\r | |
1f2e80af RN |
736 | }\r |
737 | \r | |
738 | return AllocateCopyPool (StrSize (Description), Description);\r | |
739 | }\r | |
740 | \r | |
741 | /**\r | |
742 | Register the platform provided boot description handler.\r | |
743 | \r | |
744 | @param Handler The platform provided boot description handler\r | |
745 | \r | |
746 | @retval EFI_SUCCESS The handler was registered successfully.\r | |
747 | @retval EFI_ALREADY_STARTED The handler was already registered.\r | |
748 | @retval EFI_OUT_OF_RESOURCES There is not enough resource to perform the registration.\r | |
749 | **/\r | |
750 | EFI_STATUS\r | |
751 | EFIAPI\r | |
752 | EfiBootManagerRegisterBootDescriptionHandler (\r | |
753 | IN EFI_BOOT_MANAGER_BOOT_DESCRIPTION_HANDLER Handler\r | |
754 | )\r | |
755 | {\r | |
1436aea4 MK |
756 | LIST_ENTRY *Link;\r |
757 | BM_BOOT_DESCRIPTION_ENTRY *Entry;\r | |
1f2e80af RN |
758 | \r |
759 | for ( Link = GetFirstNode (&mPlatformBootDescriptionHandlers)\r | |
1436aea4 MK |
760 | ; !IsNull (&mPlatformBootDescriptionHandlers, Link)\r |
761 | ; Link = GetNextNode (&mPlatformBootDescriptionHandlers, Link)\r | |
762 | )\r | |
763 | {\r | |
1f2e80af RN |
764 | Entry = CR (Link, BM_BOOT_DESCRIPTION_ENTRY, Link, BM_BOOT_DESCRIPTION_ENTRY_SIGNATURE);\r |
765 | if (Entry->Handler == Handler) {\r | |
766 | return EFI_ALREADY_STARTED;\r | |
767 | }\r | |
768 | }\r | |
769 | \r | |
770 | Entry = AllocatePool (sizeof (BM_BOOT_DESCRIPTION_ENTRY));\r | |
771 | if (Entry == NULL) {\r | |
772 | return EFI_OUT_OF_RESOURCES;\r | |
773 | }\r | |
774 | \r | |
775 | Entry->Signature = BM_BOOT_DESCRIPTION_ENTRY_SIGNATURE;\r | |
776 | Entry->Handler = Handler;\r | |
777 | InsertTailList (&mPlatformBootDescriptionHandlers, &Entry->Link);\r | |
778 | return EFI_SUCCESS;\r | |
779 | }\r | |
780 | \r | |
1436aea4 | 781 | BM_GET_BOOT_DESCRIPTION mBmBootDescriptionHandlers[] = {\r |
1f2e80af RN |
782 | BmGetUsbDescription,\r |
783 | BmGetDescriptionFromDiskInfo,\r | |
e4c7cefe | 784 | BmGetNetworkDescription,\r |
fa9f986c | 785 | BmGetLoadFileDescription,\r |
54127af5 | 786 | BmGetNvmeDescription,\r |
1f2e80af RN |
787 | BmGetMiscDescription\r |
788 | };\r | |
789 | \r | |
790 | /**\r | |
791 | Return the boot description for the controller.\r | |
792 | \r | |
793 | @param Handle Controller handle.\r | |
794 | \r | |
795 | @return The description string.\r | |
796 | **/\r | |
797 | CHAR16 *\r | |
798 | BmGetBootDescription (\r | |
1436aea4 | 799 | IN EFI_HANDLE Handle\r |
1f2e80af RN |
800 | )\r |
801 | {\r | |
1436aea4 MK |
802 | LIST_ENTRY *Link;\r |
803 | BM_BOOT_DESCRIPTION_ENTRY *Entry;\r | |
804 | CHAR16 *Description;\r | |
805 | CHAR16 *DefaultDescription;\r | |
806 | CHAR16 *Temp;\r | |
807 | UINTN Index;\r | |
1f2e80af RN |
808 | \r |
809 | //\r | |
810 | // Firstly get the default boot description\r | |
811 | //\r | |
812 | DefaultDescription = NULL;\r | |
f0209935 | 813 | for (Index = 0; Index < ARRAY_SIZE (mBmBootDescriptionHandlers); Index++) {\r |
1436aea4 | 814 | DefaultDescription = mBmBootDescriptionHandlers[Index](Handle);\r |
1f2e80af RN |
815 | if (DefaultDescription != NULL) {\r |
816 | //\r | |
817 | // Avoid description confusion between UEFI & Legacy boot option by adding "UEFI " prefix\r | |
818 | // ONLY for core provided boot description handler.\r | |
819 | //\r | |
820 | Temp = AllocatePool (StrSize (DefaultDescription) + sizeof (mBmUefiPrefix));\r | |
821 | ASSERT (Temp != NULL);\r | |
822 | StrCpyS (Temp, (StrSize (DefaultDescription) + sizeof (mBmUefiPrefix)) / sizeof (CHAR16), mBmUefiPrefix);\r | |
823 | StrCatS (Temp, (StrSize (DefaultDescription) + sizeof (mBmUefiPrefix)) / sizeof (CHAR16), DefaultDescription);\r | |
824 | FreePool (DefaultDescription);\r | |
825 | DefaultDescription = Temp;\r | |
826 | break;\r | |
827 | }\r | |
828 | }\r | |
1436aea4 | 829 | \r |
1f2e80af RN |
830 | ASSERT (DefaultDescription != NULL);\r |
831 | \r | |
832 | //\r | |
833 | // Secondly query platform for the better boot description\r | |
834 | //\r | |
835 | for ( Link = GetFirstNode (&mPlatformBootDescriptionHandlers)\r | |
1436aea4 MK |
836 | ; !IsNull (&mPlatformBootDescriptionHandlers, Link)\r |
837 | ; Link = GetNextNode (&mPlatformBootDescriptionHandlers, Link)\r | |
838 | )\r | |
839 | {\r | |
840 | Entry = CR (Link, BM_BOOT_DESCRIPTION_ENTRY, Link, BM_BOOT_DESCRIPTION_ENTRY_SIGNATURE);\r | |
1f2e80af RN |
841 | Description = Entry->Handler (Handle, DefaultDescription);\r |
842 | if (Description != NULL) {\r | |
843 | FreePool (DefaultDescription);\r | |
844 | return Description;\r | |
845 | }\r | |
846 | }\r | |
847 | \r | |
848 | return DefaultDescription;\r | |
849 | }\r | |
850 | \r | |
851 | /**\r | |
852 | Enumerate all boot option descriptions and append " 2"/" 3"/... to make\r | |
853 | unique description.\r | |
854 | \r | |
855 | @param BootOptions Array of boot options.\r | |
856 | @param BootOptionCount Count of boot options.\r | |
857 | **/\r | |
858 | VOID\r | |
859 | BmMakeBootOptionDescriptionUnique (\r | |
1436aea4 MK |
860 | EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions,\r |
861 | UINTN BootOptionCount\r | |
1f2e80af RN |
862 | )\r |
863 | {\r | |
1436aea4 MK |
864 | UINTN Base;\r |
865 | UINTN Index;\r | |
866 | UINTN DescriptionSize;\r | |
867 | UINTN MaxSuffixSize;\r | |
868 | BOOLEAN *Visited;\r | |
869 | UINTN MatchCount;\r | |
1f2e80af RN |
870 | \r |
871 | if (BootOptionCount == 0) {\r | |
872 | return;\r | |
873 | }\r | |
874 | \r | |
875 | //\r | |
876 | // Calculate the maximum buffer size for the number suffix.\r | |
877 | // The initial sizeof (CHAR16) is for the blank space before the number.\r | |
878 | //\r | |
879 | MaxSuffixSize = sizeof (CHAR16);\r | |
880 | for (Index = BootOptionCount; Index != 0; Index = Index / 10) {\r | |
881 | MaxSuffixSize += sizeof (CHAR16);\r | |
882 | }\r | |
883 | \r | |
884 | Visited = AllocateZeroPool (sizeof (BOOLEAN) * BootOptionCount);\r | |
885 | ASSERT (Visited != NULL);\r | |
886 | \r | |
887 | for (Base = 0; Base < BootOptionCount; Base++) {\r | |
888 | if (!Visited[Base]) {\r | |
889 | MatchCount = 1;\r | |
890 | Visited[Base] = TRUE;\r | |
891 | DescriptionSize = StrSize (BootOptions[Base].Description);\r | |
892 | for (Index = Base + 1; Index < BootOptionCount; Index++) {\r | |
1436aea4 | 893 | if (!Visited[Index] && (StrCmp (BootOptions[Base].Description, BootOptions[Index].Description) == 0)) {\r |
1f2e80af RN |
894 | Visited[Index] = TRUE;\r |
895 | MatchCount++;\r | |
896 | FreePool (BootOptions[Index].Description);\r | |
897 | BootOptions[Index].Description = AllocatePool (DescriptionSize + MaxSuffixSize);\r | |
898 | UnicodeSPrint (\r | |
1436aea4 MK |
899 | BootOptions[Index].Description,\r |
900 | DescriptionSize + MaxSuffixSize,\r | |
1f2e80af | 901 | L"%s %d",\r |
1436aea4 MK |
902 | BootOptions[Base].Description,\r |
903 | MatchCount\r | |
1f2e80af RN |
904 | );\r |
905 | }\r | |
906 | }\r | |
907 | }\r | |
908 | }\r | |
909 | \r | |
910 | FreePool (Visited);\r | |
911 | }\r |