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1e57a462 | 1 | /** @file\r |
2 | *\r | |
d8f36fb5 | 3 | * Copyright (c) 2011-2014, ARM Limited. All rights reserved.\r |
1e57a462 | 4 | * \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 "BdsInternal.h"\r | |
16 | \r | |
17 | #include <Protocol/UsbIo.h>\r | |
18 | #include <Protocol/DiskIo.h>\r | |
19 | #include <Protocol/LoadedImage.h>\r | |
2edb5ad3 | 20 | #include <Protocol/SimpleNetwork.h>\r |
1e57a462 | 21 | \r |
22 | #define IS_DEVICE_PATH_NODE(node,type,subtype) (((node)->Type == (type)) && ((node)->SubType == (subtype)))\r | |
23 | \r | |
24 | // Extract the FilePath from the Device Path\r | |
25 | CHAR16*\r | |
26 | BdsExtractFilePathFromDevicePath (\r | |
27 | IN CONST CHAR16 *StrDevicePath,\r | |
28 | IN UINTN NumberDevicePathNode\r | |
29 | )\r | |
30 | {\r | |
31 | UINTN Node;\r | |
32 | CHAR16 *Str;\r | |
33 | \r | |
34 | Str = (CHAR16*)StrDevicePath;\r | |
35 | Node = 0;\r | |
36 | while ((Str != NULL) && (*Str != L'\0') && (Node < NumberDevicePathNode)) {\r | |
37 | if ((*Str == L'/') || (*Str == L'\\')) {\r | |
38 | Node++;\r | |
39 | }\r | |
40 | Str++;\r | |
41 | }\r | |
42 | \r | |
43 | if (*Str == L'\0') {\r | |
44 | return NULL;\r | |
45 | } else {\r | |
46 | return Str;\r | |
47 | }\r | |
48 | }\r | |
49 | \r | |
50 | BOOLEAN\r | |
51 | BdsIsRemovableUsb (\r | |
52 | IN EFI_DEVICE_PATH* DevicePath\r | |
53 | )\r | |
54 | {\r | |
55 | return ((DevicePathType (DevicePath) == MESSAGING_DEVICE_PATH) &&\r | |
56 | ((DevicePathSubType (DevicePath) == MSG_USB_CLASS_DP) ||\r | |
57 | (DevicePathSubType (DevicePath) == MSG_USB_WWID_DP)));\r | |
58 | }\r | |
59 | \r | |
60 | EFI_STATUS\r | |
61 | BdsGetDeviceUsb (\r | |
62 | IN EFI_DEVICE_PATH* RemovableDevicePath,\r | |
63 | OUT EFI_HANDLE* DeviceHandle,\r | |
64 | OUT EFI_DEVICE_PATH** NewDevicePath\r | |
65 | )\r | |
66 | {\r | |
67 | EFI_STATUS Status;\r | |
68 | UINTN Index;\r | |
69 | UINTN UsbIoHandleCount;\r | |
70 | EFI_HANDLE *UsbIoBuffer;\r | |
71 | EFI_DEVICE_PATH* UsbIoDevicePath;\r | |
72 | EFI_DEVICE_PATH* TmpDevicePath;\r | |
73 | USB_WWID_DEVICE_PATH* WwidDevicePath1;\r | |
74 | USB_WWID_DEVICE_PATH* WwidDevicePath2;\r | |
75 | USB_CLASS_DEVICE_PATH* UsbClassDevicePath1;\r | |
76 | USB_CLASS_DEVICE_PATH* UsbClassDevicePath2;\r | |
77 | \r | |
78 | // Get all the UsbIo handles\r | |
79 | UsbIoHandleCount = 0;\r | |
80 | Status = gBS->LocateHandleBuffer (ByProtocol, &gEfiUsbIoProtocolGuid, NULL, &UsbIoHandleCount, &UsbIoBuffer);\r | |
6f711615 | 81 | if (EFI_ERROR (Status) || (UsbIoHandleCount == 0)) {\r |
1e57a462 | 82 | return Status;\r |
83 | }\r | |
84 | \r | |
85 | // Check if one of the handles matches the USB description\r | |
86 | for (Index = 0; Index < UsbIoHandleCount; Index++) {\r | |
87 | Status = gBS->HandleProtocol (UsbIoBuffer[Index], &gEfiDevicePathProtocolGuid, (VOID **) &UsbIoDevicePath);\r | |
6f711615 | 88 | if (!EFI_ERROR (Status)) {\r |
1e57a462 | 89 | TmpDevicePath = UsbIoDevicePath;\r |
90 | while (!IsDevicePathEnd (TmpDevicePath)) {\r | |
91 | // Check if the Device Path node is a USB Removable device Path node\r | |
92 | if (BdsIsRemovableUsb (TmpDevicePath)) {\r | |
93 | if (TmpDevicePath->SubType == MSG_USB_WWID_DP) {\r | |
94 | WwidDevicePath1 = (USB_WWID_DEVICE_PATH*)RemovableDevicePath;\r | |
95 | WwidDevicePath2 = (USB_WWID_DEVICE_PATH*)TmpDevicePath;\r | |
96 | if ((WwidDevicePath1->VendorId == WwidDevicePath2->VendorId) &&\r | |
97 | (WwidDevicePath1->ProductId == WwidDevicePath2->ProductId) &&\r | |
6f711615 | 98 | (CompareMem (WwidDevicePath1+1, WwidDevicePath2+1, DevicePathNodeLength(WwidDevicePath1)-sizeof (USB_WWID_DEVICE_PATH)) == 0))\r |
1e57a462 | 99 | {\r |
100 | *DeviceHandle = UsbIoBuffer[Index];\r | |
101 | // Add the additional original Device Path Nodes (eg: FilePath Device Path Node) to the new Device Path\r | |
6f711615 | 102 | *NewDevicePath = AppendDevicePath (UsbIoDevicePath, NextDevicePathNode (RemovableDevicePath));\r |
1e57a462 | 103 | return EFI_SUCCESS;\r |
104 | }\r | |
105 | } else {\r | |
106 | UsbClassDevicePath1 = (USB_CLASS_DEVICE_PATH*)RemovableDevicePath;\r | |
107 | UsbClassDevicePath2 = (USB_CLASS_DEVICE_PATH*)TmpDevicePath;\r | |
108 | if ((UsbClassDevicePath1->VendorId != 0xFFFF) && (UsbClassDevicePath1->VendorId == UsbClassDevicePath2->VendorId) &&\r | |
109 | (UsbClassDevicePath1->ProductId != 0xFFFF) && (UsbClassDevicePath1->ProductId == UsbClassDevicePath2->ProductId) &&\r | |
110 | (UsbClassDevicePath1->DeviceClass != 0xFF) && (UsbClassDevicePath1->DeviceClass == UsbClassDevicePath2->DeviceClass) &&\r | |
111 | (UsbClassDevicePath1->DeviceSubClass != 0xFF) && (UsbClassDevicePath1->DeviceSubClass == UsbClassDevicePath2->DeviceSubClass) &&\r | |
112 | (UsbClassDevicePath1->DeviceProtocol != 0xFF) && (UsbClassDevicePath1->DeviceProtocol == UsbClassDevicePath2->DeviceProtocol))\r | |
113 | {\r | |
114 | *DeviceHandle = UsbIoBuffer[Index];\r | |
115 | // Add the additional original Device Path Nodes (eg: FilePath Device Path Node) to the new Device Path\r | |
6f711615 | 116 | *NewDevicePath = AppendDevicePath (UsbIoDevicePath, NextDevicePathNode (RemovableDevicePath));\r |
1e57a462 | 117 | return EFI_SUCCESS;\r |
118 | }\r | |
119 | }\r | |
120 | }\r | |
121 | TmpDevicePath = NextDevicePathNode (TmpDevicePath);\r | |
122 | }\r | |
123 | \r | |
124 | }\r | |
125 | }\r | |
126 | \r | |
127 | return EFI_NOT_FOUND;\r | |
128 | }\r | |
129 | \r | |
130 | BOOLEAN\r | |
131 | BdsIsRemovableHd (\r | |
132 | IN EFI_DEVICE_PATH* DevicePath\r | |
133 | )\r | |
134 | {\r | |
6f711615 | 135 | return IS_DEVICE_PATH_NODE (DevicePath, MEDIA_DEVICE_PATH, MEDIA_HARDDRIVE_DP);\r |
1e57a462 | 136 | }\r |
137 | \r | |
138 | EFI_STATUS\r | |
139 | BdsGetDeviceHd (\r | |
140 | IN EFI_DEVICE_PATH* RemovableDevicePath,\r | |
141 | OUT EFI_HANDLE* DeviceHandle,\r | |
142 | OUT EFI_DEVICE_PATH** NewDevicePath\r | |
143 | )\r | |
144 | {\r | |
145 | EFI_STATUS Status;\r | |
146 | UINTN Index;\r | |
147 | UINTN PartitionHandleCount;\r | |
148 | EFI_HANDLE *PartitionBuffer;\r | |
149 | EFI_DEVICE_PATH* PartitionDevicePath;\r | |
150 | EFI_DEVICE_PATH* TmpDevicePath;\r | |
151 | HARDDRIVE_DEVICE_PATH* HardDriveDevicePath1;\r | |
152 | HARDDRIVE_DEVICE_PATH* HardDriveDevicePath2;\r | |
153 | \r | |
154 | // Get all the DiskIo handles\r | |
155 | PartitionHandleCount = 0;\r | |
156 | Status = gBS->LocateHandleBuffer (ByProtocol, &gEfiDiskIoProtocolGuid, NULL, &PartitionHandleCount, &PartitionBuffer);\r | |
6f711615 | 157 | if (EFI_ERROR (Status) || (PartitionHandleCount == 0)) {\r |
1e57a462 | 158 | return Status;\r |
159 | }\r | |
160 | \r | |
161 | // Check if one of the handles matches the Hard Disk Description\r | |
162 | for (Index = 0; Index < PartitionHandleCount; Index++) {\r | |
163 | Status = gBS->HandleProtocol (PartitionBuffer[Index], &gEfiDevicePathProtocolGuid, (VOID **) &PartitionDevicePath);\r | |
6f711615 | 164 | if (!EFI_ERROR (Status)) {\r |
1e57a462 | 165 | TmpDevicePath = PartitionDevicePath;\r |
166 | while (!IsDevicePathEnd (TmpDevicePath)) {\r | |
167 | // Check if the Device Path node is a HD Removable device Path node\r | |
168 | if (BdsIsRemovableHd (TmpDevicePath)) {\r | |
169 | HardDriveDevicePath1 = (HARDDRIVE_DEVICE_PATH*)RemovableDevicePath;\r | |
170 | HardDriveDevicePath2 = (HARDDRIVE_DEVICE_PATH*)TmpDevicePath;\r | |
171 | if ((HardDriveDevicePath1->SignatureType == HardDriveDevicePath2->SignatureType) &&\r | |
6f711615 | 172 | (CompareGuid ((EFI_GUID *)HardDriveDevicePath1->Signature, (EFI_GUID *)HardDriveDevicePath2->Signature) == TRUE) &&\r |
1e57a462 | 173 | (HardDriveDevicePath1->PartitionNumber == HardDriveDevicePath2->PartitionNumber))\r |
174 | {\r | |
175 | *DeviceHandle = PartitionBuffer[Index];\r | |
176 | // Add the additional original Device Path Nodes (eg: FilePath Device Path Node) to the new Device Path\r | |
6f711615 | 177 | *NewDevicePath = AppendDevicePath (PartitionDevicePath, NextDevicePathNode (RemovableDevicePath));\r |
1e57a462 | 178 | return EFI_SUCCESS;\r |
179 | }\r | |
180 | }\r | |
181 | TmpDevicePath = NextDevicePathNode (TmpDevicePath);\r | |
182 | }\r | |
183 | \r | |
184 | }\r | |
185 | }\r | |
186 | \r | |
187 | return EFI_NOT_FOUND;\r | |
188 | }\r | |
189 | \r | |
190 | /*BOOLEAN\r | |
191 | BdsIsRemovableCdrom (\r | |
192 | IN EFI_DEVICE_PATH* DevicePath\r | |
193 | )\r | |
194 | {\r | |
6f711615 | 195 | return IS_DEVICE_PATH_NODE (DevicePath, MEDIA_DEVICE_PATH, MEDIA_CDROM_DP);\r |
1e57a462 | 196 | }\r |
197 | \r | |
198 | EFI_STATUS\r | |
199 | BdsGetDeviceCdrom (\r | |
200 | IN EFI_DEVICE_PATH* RemovableDevicePath,\r | |
201 | OUT EFI_HANDLE* DeviceHandle,\r | |
202 | OUT EFI_DEVICE_PATH** DevicePath\r | |
203 | )\r | |
204 | {\r | |
205 | ASSERT(0);\r | |
206 | return EFI_UNSUPPORTED;\r | |
207 | }*/\r | |
208 | \r | |
209 | typedef BOOLEAN\r | |
210 | (*BDS_IS_REMOVABLE) (\r | |
211 | IN EFI_DEVICE_PATH* DevicePath\r | |
212 | );\r | |
213 | \r | |
214 | typedef EFI_STATUS\r | |
215 | (*BDS_GET_DEVICE) (\r | |
216 | IN EFI_DEVICE_PATH* RemovableDevicePath,\r | |
217 | OUT EFI_HANDLE* DeviceHandle,\r | |
218 | OUT EFI_DEVICE_PATH** DevicePath\r | |
219 | );\r | |
220 | \r | |
221 | typedef struct {\r | |
222 | BDS_IS_REMOVABLE IsRemovable;\r | |
223 | BDS_GET_DEVICE GetDevice;\r | |
224 | } BDS_REMOVABLE_DEVICE_SUPPORT;\r | |
225 | \r | |
226 | BDS_REMOVABLE_DEVICE_SUPPORT RemovableDeviceSupport[] = {\r | |
227 | { BdsIsRemovableUsb, BdsGetDeviceUsb },\r | |
228 | { BdsIsRemovableHd, BdsGetDeviceHd },\r | |
229 | //{ BdsIsRemovableCdrom, BdsGetDeviceCdrom }\r | |
230 | };\r | |
231 | \r | |
232 | STATIC\r | |
233 | BOOLEAN\r | |
234 | IsRemovableDevice (\r | |
235 | IN EFI_DEVICE_PATH* DevicePath\r | |
236 | )\r | |
237 | {\r | |
238 | UINTN Index;\r | |
239 | EFI_DEVICE_PATH* TmpDevicePath;\r | |
240 | \r | |
241 | TmpDevicePath = DevicePath;\r | |
242 | while (!IsDevicePathEnd (TmpDevicePath)) {\r | |
6f711615 | 243 | for (Index = 0; Index < sizeof (RemovableDeviceSupport) / sizeof (BDS_REMOVABLE_DEVICE_SUPPORT); Index++) {\r |
244 | if (RemovableDeviceSupport[Index].IsRemovable (TmpDevicePath)) {\r | |
1e57a462 | 245 | return TRUE;\r |
246 | }\r | |
247 | }\r | |
248 | TmpDevicePath = NextDevicePathNode (TmpDevicePath);\r | |
249 | }\r | |
250 | \r | |
251 | return FALSE;\r | |
252 | }\r | |
253 | \r | |
254 | STATIC\r | |
255 | EFI_STATUS\r | |
256 | TryRemovableDevice (\r | |
257 | IN EFI_DEVICE_PATH* DevicePath,\r | |
258 | OUT EFI_HANDLE* DeviceHandle,\r | |
259 | OUT EFI_DEVICE_PATH** NewDevicePath\r | |
260 | )\r | |
261 | {\r | |
262 | EFI_STATUS Status;\r | |
263 | UINTN Index;\r | |
264 | EFI_DEVICE_PATH* TmpDevicePath;\r | |
265 | BDS_REMOVABLE_DEVICE_SUPPORT* RemovableDevice;\r | |
266 | EFI_DEVICE_PATH* RemovableDevicePath;\r | |
267 | BOOLEAN RemovableFound;\r | |
268 | \r | |
269 | RemovableDevice = NULL;\r | |
270 | RemovableDevicePath = NULL;\r | |
271 | RemovableFound = FALSE;\r | |
272 | TmpDevicePath = DevicePath;\r | |
273 | \r | |
274 | while (!IsDevicePathEnd (TmpDevicePath) && !RemovableFound) {\r | |
6f711615 | 275 | for (Index = 0; Index < sizeof (RemovableDeviceSupport) / sizeof (BDS_REMOVABLE_DEVICE_SUPPORT); Index++) {\r |
1e57a462 | 276 | RemovableDevice = &RemovableDeviceSupport[Index];\r |
6f711615 | 277 | if (RemovableDevice->IsRemovable (TmpDevicePath)) {\r |
1e57a462 | 278 | RemovableDevicePath = TmpDevicePath;\r |
279 | RemovableFound = TRUE;\r | |
280 | break;\r | |
281 | }\r | |
282 | }\r | |
283 | TmpDevicePath = NextDevicePathNode (TmpDevicePath);\r | |
284 | }\r | |
285 | \r | |
286 | if (!RemovableFound) {\r | |
287 | return EFI_NOT_FOUND;\r | |
288 | }\r | |
289 | \r | |
290 | // Search into the current started drivers\r | |
291 | Status = RemovableDevice->GetDevice (RemovableDevicePath, DeviceHandle, NewDevicePath);\r | |
292 | if (Status == EFI_NOT_FOUND) {\r | |
293 | // Connect all the drivers\r | |
294 | BdsConnectAllDrivers ();\r | |
295 | \r | |
296 | // Search again into all the drivers\r | |
297 | Status = RemovableDevice->GetDevice (RemovableDevicePath, DeviceHandle, NewDevicePath);\r | |
298 | }\r | |
299 | \r | |
300 | return Status;\r | |
301 | }\r | |
302 | \r | |
62d441fb | 303 | STATIC\r |
1e57a462 | 304 | EFI_STATUS\r |
62d441fb RC |
305 | BdsConnectAndUpdateDevicePath (\r |
306 | IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath,\r | |
307 | OUT EFI_HANDLE *Handle,\r | |
308 | OUT EFI_DEVICE_PATH_PROTOCOL **RemainingDevicePath\r | |
1e57a462 | 309 | )\r |
310 | {\r | |
311 | EFI_DEVICE_PATH* Remaining;\r | |
312 | EFI_DEVICE_PATH* NewDevicePath;\r | |
313 | EFI_STATUS Status;\r | |
314 | \r | |
62d441fb | 315 | if ((DevicePath == NULL) || (*DevicePath == NULL) || (Handle == NULL)) {\r |
1e57a462 | 316 | return EFI_INVALID_PARAMETER;\r |
317 | }\r | |
318 | \r | |
319 | do {\r | |
62d441fb | 320 | Remaining = *DevicePath;\r |
1e57a462 | 321 | // The LocateDevicePath() function locates all devices on DevicePath that support Protocol and returns\r |
322 | // the handle to the device that is closest to DevicePath. On output, the device path pointer is modified\r | |
323 | // to point to the remaining part of the device path\r | |
324 | Status = gBS->LocateDevicePath (&gEfiDevicePathProtocolGuid, &Remaining, Handle);\r | |
325 | if (!EFI_ERROR (Status)) {\r | |
326 | // Recursive = FALSE: We do not want to start all the device tree\r | |
327 | Status = gBS->ConnectController (*Handle, NULL, Remaining, FALSE);\r | |
328 | }\r | |
329 | \r | |
330 | /*// We need to check if RemainingDevicePath does not point on the last node. Otherwise, calling\r | |
6f711615 | 331 | // NextDevicePathNode () will return an undetermined Device Path Node\r |
1e57a462 | 332 | if (!IsDevicePathEnd (RemainingDevicePath)) {\r |
333 | RemainingDevicePath = NextDevicePathNode (RemainingDevicePath);\r | |
334 | }*/\r | |
335 | } while (!EFI_ERROR (Status) && !IsDevicePathEnd (Remaining));\r | |
336 | \r | |
337 | if (!EFI_ERROR (Status)) {\r | |
338 | // Now, we have got the whole Device Path connected, call again ConnectController to ensure all the supported Driver\r | |
339 | // Binding Protocol are connected (such as DiskIo and SimpleFileSystem)\r | |
62d441fb | 340 | Remaining = *DevicePath;\r |
6f711615 | 341 | Status = gBS->LocateDevicePath (&gEfiDevicePathProtocolGuid, &Remaining, Handle);\r |
1e57a462 | 342 | if (!EFI_ERROR (Status)) {\r |
343 | Status = gBS->ConnectController (*Handle, NULL, Remaining, FALSE);\r | |
344 | if (EFI_ERROR (Status)) {\r | |
345 | // If the last node is a Memory Map Device Path just return EFI_SUCCESS.\r | |
346 | if ((Remaining->Type == HARDWARE_DEVICE_PATH) && (Remaining->SubType == HW_MEMMAP_DP)) {\r | |
347 | Status = EFI_SUCCESS;\r | |
348 | }\r | |
349 | }\r | |
350 | }\r | |
351 | } else if (!IsDevicePathEnd (Remaining) && !IsRemovableDevice (Remaining)) {\r | |
352 | \r | |
353 | /*// If the remaining Device Path is a FilePath or MemoryMap then we consider the Device Path has been loaded correctly\r | |
354 | if ((Remaining->Type == MEDIA_DEVICE_PATH) && (Remaining->SubType == MEDIA_FILEPATH_DP)) {\r | |
355 | Status = EFI_SUCCESS;\r | |
356 | } else if ((Remaining->Type == HARDWARE_DEVICE_PATH) && (Remaining->SubType == HW_MEMMAP_DP)) {\r | |
357 | Status = EFI_SUCCESS;\r | |
358 | }*/\r | |
359 | \r | |
360 | //TODO: Should we just return success and leave the caller decide if it is the expected RemainingPath\r | |
361 | Status = EFI_SUCCESS;\r | |
362 | } else {\r | |
62d441fb | 363 | Status = TryRemovableDevice (*DevicePath, Handle, &NewDevicePath);\r |
1e57a462 | 364 | if (!EFI_ERROR (Status)) {\r |
62d441fb RC |
365 | Status = BdsConnectAndUpdateDevicePath (&NewDevicePath, Handle, RemainingDevicePath);\r |
366 | *DevicePath = NewDevicePath;\r | |
367 | return Status;\r | |
1e57a462 | 368 | }\r |
369 | }\r | |
370 | \r | |
371 | if (RemainingDevicePath) {\r | |
372 | *RemainingDevicePath = Remaining;\r | |
373 | }\r | |
374 | \r | |
375 | return Status;\r | |
376 | }\r | |
377 | \r | |
62d441fb RC |
378 | /**\r |
379 | Connect a Device Path and return the handle of the driver that support this DevicePath\r | |
380 | \r | |
381 | @param DevicePath Device Path of the File to connect\r | |
382 | @param Handle Handle of the driver that support this DevicePath\r | |
383 | @param RemainingDevicePath Remaining DevicePath nodes that do not match the driver DevicePath\r | |
384 | \r | |
385 | @retval EFI_SUCCESS A driver that matches the Device Path has been found\r | |
386 | @retval EFI_NOT_FOUND No handles match the search.\r | |
387 | @retval EFI_INVALID_PARAMETER DevicePath or Handle is NULL\r | |
388 | \r | |
10ddca8d | 389 | **/\r |
62d441fb RC |
390 | EFI_STATUS\r |
391 | BdsConnectDevicePath (\r | |
392 | IN EFI_DEVICE_PATH_PROTOCOL* DevicePath,\r | |
393 | OUT EFI_HANDLE *Handle,\r | |
394 | OUT EFI_DEVICE_PATH_PROTOCOL **RemainingDevicePath\r | |
395 | )\r | |
396 | {\r | |
397 | return BdsConnectAndUpdateDevicePath (&DevicePath, Handle, RemainingDevicePath);\r | |
398 | }\r | |
399 | \r | |
1e57a462 | 400 | BOOLEAN\r |
401 | BdsFileSystemSupport (\r | |
402 | IN EFI_DEVICE_PATH *DevicePath,\r | |
403 | IN EFI_HANDLE Handle,\r | |
404 | IN EFI_DEVICE_PATH *RemainingDevicePath\r | |
405 | )\r | |
406 | {\r | |
407 | EFI_STATUS Status;\r | |
408 | EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *FsProtocol;\r | |
409 | \r | |
6f711615 | 410 | Status = gBS->HandleProtocol (Handle, &gEfiSimpleFileSystemProtocolGuid, (VOID **)&FsProtocol);\r |
1e57a462 | 411 | \r |
6f711615 | 412 | return (!EFI_ERROR (Status) && IS_DEVICE_PATH_NODE (RemainingDevicePath, MEDIA_DEVICE_PATH, MEDIA_FILEPATH_DP));\r |
1e57a462 | 413 | }\r |
414 | \r | |
415 | EFI_STATUS\r | |
416 | BdsFileSystemLoadImage (\r | |
417 | IN EFI_DEVICE_PATH *DevicePath,\r | |
418 | IN EFI_HANDLE Handle,\r | |
419 | IN EFI_DEVICE_PATH *RemainingDevicePath,\r | |
420 | IN EFI_ALLOCATE_TYPE Type,\r | |
421 | IN OUT EFI_PHYSICAL_ADDRESS* Image,\r | |
422 | OUT UINTN *ImageSize\r | |
423 | )\r | |
424 | {\r | |
425 | FILEPATH_DEVICE_PATH* FilePathDevicePath;\r | |
426 | EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *FsProtocol;\r | |
427 | EFI_FILE_PROTOCOL *Fs;\r | |
428 | EFI_STATUS Status;\r | |
429 | EFI_FILE_INFO *FileInfo;\r | |
430 | EFI_FILE_PROTOCOL *File;\r | |
431 | UINTN Size;\r | |
432 | \r | |
6f711615 | 433 | ASSERT (IS_DEVICE_PATH_NODE (RemainingDevicePath, MEDIA_DEVICE_PATH, MEDIA_FILEPATH_DP));\r |
1e57a462 | 434 | \r |
435 | FilePathDevicePath = (FILEPATH_DEVICE_PATH*)RemainingDevicePath;\r | |
436 | \r | |
6f711615 | 437 | Status = gBS->HandleProtocol (Handle, &gEfiSimpleFileSystemProtocolGuid, (VOID **)&FsProtocol);\r |
438 | if (EFI_ERROR (Status)) {\r | |
1e57a462 | 439 | return Status;\r |
440 | }\r | |
441 | \r | |
442 | // Try to Open the volume and get root directory\r | |
443 | Status = FsProtocol->OpenVolume (FsProtocol, &Fs);\r | |
6f711615 | 444 | if (EFI_ERROR (Status)) {\r |
1e57a462 | 445 | return Status;\r |
446 | }\r | |
447 | \r | |
448 | File = NULL;\r | |
6f711615 | 449 | Status = Fs->Open (Fs, &File, FilePathDevicePath->PathName, EFI_FILE_MODE_READ, 0);\r |
450 | if (EFI_ERROR (Status)) {\r | |
1e57a462 | 451 | return Status;\r |
452 | }\r | |
453 | \r | |
454 | Size = 0;\r | |
6f711615 | 455 | File->GetInfo (File, &gEfiFileInfoGuid, &Size, NULL);\r |
1e57a462 | 456 | FileInfo = AllocatePool (Size);\r |
6f711615 | 457 | Status = File->GetInfo (File, &gEfiFileInfoGuid, &Size, FileInfo);\r |
458 | if (EFI_ERROR (Status)) {\r | |
1e57a462 | 459 | return Status;\r |
460 | }\r | |
461 | \r | |
462 | // Get the file size\r | |
463 | Size = FileInfo->FileSize;\r | |
464 | if (ImageSize) {\r | |
465 | *ImageSize = Size;\r | |
466 | }\r | |
6f711615 | 467 | FreePool (FileInfo);\r |
1e57a462 | 468 | \r |
469 | Status = gBS->AllocatePages (Type, EfiBootServicesCode, EFI_SIZE_TO_PAGES(Size), Image);\r | |
470 | // Try to allocate in any pages if failed to allocate memory at the defined location\r | |
471 | if ((Status == EFI_OUT_OF_RESOURCES) && (Type != AllocateAnyPages)) {\r | |
472 | Status = gBS->AllocatePages (AllocateAnyPages, EfiBootServicesCode, EFI_SIZE_TO_PAGES(Size), Image);\r | |
473 | }\r | |
6f711615 | 474 | if (!EFI_ERROR (Status)) {\r |
1e57a462 | 475 | Status = File->Read (File, &Size, (VOID*)(UINTN)(*Image));\r |
476 | }\r | |
477 | \r | |
478 | return Status;\r | |
479 | }\r | |
480 | \r | |
481 | BOOLEAN\r | |
482 | BdsMemoryMapSupport (\r | |
483 | IN EFI_DEVICE_PATH *DevicePath,\r | |
484 | IN EFI_HANDLE Handle,\r | |
485 | IN EFI_DEVICE_PATH *RemainingDevicePath\r | |
486 | )\r | |
487 | {\r | |
6f711615 | 488 | return IS_DEVICE_PATH_NODE (DevicePath, HARDWARE_DEVICE_PATH, HW_MEMMAP_DP) ||\r |
489 | IS_DEVICE_PATH_NODE (RemainingDevicePath, HARDWARE_DEVICE_PATH, HW_MEMMAP_DP);\r | |
1e57a462 | 490 | }\r |
491 | \r | |
492 | EFI_STATUS\r | |
493 | BdsMemoryMapLoadImage (\r | |
494 | IN EFI_DEVICE_PATH *DevicePath,\r | |
495 | IN EFI_HANDLE Handle,\r | |
496 | IN EFI_DEVICE_PATH *RemainingDevicePath,\r | |
497 | IN EFI_ALLOCATE_TYPE Type,\r | |
498 | IN OUT EFI_PHYSICAL_ADDRESS* Image,\r | |
499 | OUT UINTN *ImageSize\r | |
500 | )\r | |
501 | {\r | |
502 | EFI_STATUS Status;\r | |
503 | MEMMAP_DEVICE_PATH* MemMapPathDevicePath;\r | |
504 | UINTN Size;\r | |
505 | \r | |
6f711615 | 506 | if (IS_DEVICE_PATH_NODE (RemainingDevicePath, HARDWARE_DEVICE_PATH, HW_MEMMAP_DP)) {\r |
1e57a462 | 507 | MemMapPathDevicePath = (MEMMAP_DEVICE_PATH*)RemainingDevicePath;\r |
508 | } else {\r | |
6f711615 | 509 | ASSERT (IS_DEVICE_PATH_NODE (DevicePath, HARDWARE_DEVICE_PATH, HW_MEMMAP_DP));\r |
1e57a462 | 510 | MemMapPathDevicePath = (MEMMAP_DEVICE_PATH*)DevicePath;\r |
511 | }\r | |
512 | \r | |
513 | Size = MemMapPathDevicePath->EndingAddress - MemMapPathDevicePath->StartingAddress;\r | |
514 | if (Size == 0) {\r | |
515 | return EFI_INVALID_PARAMETER;\r | |
516 | }\r | |
517 | \r | |
518 | Status = gBS->AllocatePages (Type, EfiBootServicesCode, EFI_SIZE_TO_PAGES(Size), Image);\r | |
519 | // Try to allocate in any pages if failed to allocate memory at the defined location\r | |
520 | if ((Status == EFI_OUT_OF_RESOURCES) && (Type != AllocateAnyPages)) {\r | |
521 | Status = gBS->AllocatePages (AllocateAnyPages, EfiBootServicesCode, EFI_SIZE_TO_PAGES(Size), Image);\r | |
522 | }\r | |
6f711615 | 523 | if (!EFI_ERROR (Status)) {\r |
1e57a462 | 524 | CopyMem ((VOID*)(UINTN)(*Image), (CONST VOID*)(UINTN)MemMapPathDevicePath->StartingAddress, Size);\r |
525 | \r | |
526 | if (ImageSize != NULL) {\r | |
527 | *ImageSize = Size;\r | |
528 | }\r | |
529 | }\r | |
530 | \r | |
531 | return Status;\r | |
532 | }\r | |
533 | \r | |
534 | BOOLEAN\r | |
535 | BdsFirmwareVolumeSupport (\r | |
536 | IN EFI_DEVICE_PATH *DevicePath,\r | |
537 | IN EFI_HANDLE Handle,\r | |
538 | IN EFI_DEVICE_PATH *RemainingDevicePath\r | |
539 | )\r | |
540 | {\r | |
6f711615 | 541 | return IS_DEVICE_PATH_NODE (RemainingDevicePath, MEDIA_DEVICE_PATH, MEDIA_PIWG_FW_FILE_DP);\r |
1e57a462 | 542 | }\r |
543 | \r | |
544 | EFI_STATUS\r | |
545 | BdsFirmwareVolumeLoadImage (\r | |
546 | IN EFI_DEVICE_PATH *DevicePath,\r | |
547 | IN EFI_HANDLE Handle,\r | |
548 | IN EFI_DEVICE_PATH *RemainingDevicePath,\r | |
549 | IN EFI_ALLOCATE_TYPE Type,\r | |
550 | IN OUT EFI_PHYSICAL_ADDRESS* Image,\r | |
551 | OUT UINTN *ImageSize\r | |
552 | )\r | |
553 | {\r | |
554 | EFI_STATUS Status;\r | |
555 | EFI_FIRMWARE_VOLUME2_PROTOCOL *FwVol;\r | |
556 | EFI_GUID *FvNameGuid;\r | |
557 | EFI_SECTION_TYPE SectionType;\r | |
558 | EFI_FV_FILETYPE FvType;\r | |
559 | EFI_FV_FILE_ATTRIBUTES Attrib;\r | |
560 | UINT32 AuthenticationStatus;\r | |
561 | VOID* ImageBuffer;\r | |
562 | \r | |
6f711615 | 563 | ASSERT (IS_DEVICE_PATH_NODE (RemainingDevicePath, MEDIA_DEVICE_PATH, MEDIA_PIWG_FW_FILE_DP));\r |
1e57a462 | 564 | \r |
6f711615 | 565 | Status = gBS->HandleProtocol (Handle, &gEfiFirmwareVolume2ProtocolGuid, (VOID **)&FwVol);\r |
566 | if (EFI_ERROR (Status)) {\r | |
1e57a462 | 567 | return Status;\r |
568 | }\r | |
569 | \r | |
570 | FvNameGuid = EfiGetNameGuidFromFwVolDevicePathNode ((CONST MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *)RemainingDevicePath);\r | |
571 | if (FvNameGuid == NULL) {\r | |
572 | Status = EFI_INVALID_PARAMETER;\r | |
573 | }\r | |
574 | \r | |
575 | SectionType = EFI_SECTION_PE32;\r | |
576 | AuthenticationStatus = 0;\r | |
577 | //Note: ReadSection at the opposite of ReadFile does not allow to pass ImageBuffer == NULL to get the size of the file.\r | |
578 | ImageBuffer = NULL;\r | |
579 | Status = FwVol->ReadSection (\r | |
580 | FwVol,\r | |
581 | FvNameGuid,\r | |
582 | SectionType,\r | |
583 | 0,\r | |
584 | &ImageBuffer,\r | |
585 | ImageSize,\r | |
586 | &AuthenticationStatus\r | |
587 | );\r | |
588 | if (!EFI_ERROR (Status)) {\r | |
589 | #if 0\r | |
590 | // In case the buffer has some address requirements, we must copy the buffer to a buffer following the requirements\r | |
591 | if (Type != AllocateAnyPages) {\r | |
592 | Status = gBS->AllocatePages (Type, EfiBootServicesCode, EFI_SIZE_TO_PAGES(*ImageSize),Image);\r | |
6f711615 | 593 | if (!EFI_ERROR (Status)) {\r |
1e57a462 | 594 | CopyMem ((VOID*)(UINTN)(*Image), ImageBuffer, *ImageSize);\r |
595 | FreePool (ImageBuffer);\r | |
596 | }\r | |
597 | }\r | |
598 | #else\r | |
599 | // We must copy the buffer into a page allocations. Otherwise, the caller could call gBS->FreePages() on the pool allocation\r | |
600 | Status = gBS->AllocatePages (Type, EfiBootServicesCode, EFI_SIZE_TO_PAGES(*ImageSize), Image);\r | |
601 | // Try to allocate in any pages if failed to allocate memory at the defined location\r | |
602 | if ((Status == EFI_OUT_OF_RESOURCES) && (Type != AllocateAnyPages)) {\r | |
603 | Status = gBS->AllocatePages (AllocateAnyPages, EfiBootServicesCode, EFI_SIZE_TO_PAGES(*ImageSize), Image);\r | |
604 | }\r | |
6f711615 | 605 | if (!EFI_ERROR (Status)) {\r |
1e57a462 | 606 | CopyMem ((VOID*)(UINTN)(*Image), ImageBuffer, *ImageSize);\r |
607 | FreePool (ImageBuffer);\r | |
608 | }\r | |
609 | #endif\r | |
610 | } else {\r | |
611 | // Try a raw file, since a PE32 SECTION does not exist\r | |
612 | Status = FwVol->ReadFile (\r | |
613 | FwVol,\r | |
614 | FvNameGuid,\r | |
615 | NULL,\r | |
616 | ImageSize,\r | |
617 | &FvType,\r | |
618 | &Attrib,\r | |
619 | &AuthenticationStatus\r | |
620 | );\r | |
6f711615 | 621 | if (!EFI_ERROR (Status)) {\r |
1e57a462 | 622 | Status = gBS->AllocatePages (Type, EfiBootServicesCode, EFI_SIZE_TO_PAGES(*ImageSize), Image);\r |
623 | // Try to allocate in any pages if failed to allocate memory at the defined location\r | |
624 | if ((Status == EFI_OUT_OF_RESOURCES) && (Type != AllocateAnyPages)) {\r | |
625 | Status = gBS->AllocatePages (AllocateAnyPages, EfiBootServicesCode, EFI_SIZE_TO_PAGES(*ImageSize), Image);\r | |
626 | }\r | |
6f711615 | 627 | if (!EFI_ERROR (Status)) {\r |
1e57a462 | 628 | Status = FwVol->ReadFile (\r |
629 | FwVol,\r | |
630 | FvNameGuid,\r | |
631 | (VOID*)(UINTN)(*Image),\r | |
632 | ImageSize,\r | |
633 | &FvType,\r | |
634 | &Attrib,\r | |
635 | &AuthenticationStatus\r | |
636 | );\r | |
637 | }\r | |
638 | }\r | |
639 | }\r | |
640 | return Status;\r | |
641 | }\r | |
642 | \r | |
643 | BOOLEAN\r | |
644 | BdsPxeSupport (\r | |
645 | IN EFI_DEVICE_PATH* DevicePath,\r | |
646 | IN EFI_HANDLE Handle,\r | |
647 | IN EFI_DEVICE_PATH* RemainingDevicePath\r | |
648 | )\r | |
649 | {\r | |
650 | EFI_STATUS Status;\r | |
651 | EFI_PXE_BASE_CODE_PROTOCOL* PxeBcProtocol;\r | |
652 | \r | |
6f711615 | 653 | if (!IsDevicePathEnd (RemainingDevicePath)) {\r |
1e57a462 | 654 | return FALSE;\r |
655 | }\r | |
656 | \r | |
657 | Status = gBS->HandleProtocol (Handle, &gEfiPxeBaseCodeProtocolGuid, (VOID **)&PxeBcProtocol);\r | |
658 | if (EFI_ERROR (Status)) {\r | |
659 | return FALSE;\r | |
660 | } else {\r | |
661 | return TRUE;\r | |
662 | }\r | |
663 | }\r | |
664 | \r | |
665 | EFI_STATUS\r | |
666 | BdsPxeLoadImage (\r | |
667 | IN EFI_DEVICE_PATH* DevicePath,\r | |
668 | IN EFI_HANDLE Handle,\r | |
669 | IN EFI_DEVICE_PATH* RemainingDevicePath,\r | |
670 | IN EFI_ALLOCATE_TYPE Type,\r | |
671 | IN OUT EFI_PHYSICAL_ADDRESS *Image,\r | |
672 | OUT UINTN *ImageSize\r | |
673 | )\r | |
674 | {\r | |
675 | EFI_STATUS Status;\r | |
676 | EFI_LOAD_FILE_PROTOCOL *LoadFileProtocol;\r | |
677 | UINTN BufferSize;\r | |
2edb5ad3 | 678 | EFI_PXE_BASE_CODE_PROTOCOL *Pxe;\r |
1e57a462 | 679 | \r |
680 | // Get Load File Protocol attached to the PXE protocol\r | |
681 | Status = gBS->HandleProtocol (Handle, &gEfiLoadFileProtocolGuid, (VOID **)&LoadFileProtocol);\r | |
682 | if (EFI_ERROR (Status)) {\r | |
683 | return Status;\r | |
684 | }\r | |
685 | \r | |
686 | Status = LoadFileProtocol->LoadFile (LoadFileProtocol, DevicePath, TRUE, &BufferSize, NULL);\r | |
687 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
688 | Status = gBS->AllocatePages (Type, EfiBootServicesCode, EFI_SIZE_TO_PAGES(BufferSize), Image);\r | |
6f711615 | 689 | if (EFI_ERROR (Status)) {\r |
1e57a462 | 690 | return Status;\r |
691 | }\r | |
692 | \r | |
693 | Status = LoadFileProtocol->LoadFile (LoadFileProtocol, DevicePath, TRUE, &BufferSize, (VOID*)(UINTN)(*Image));\r | |
6f711615 | 694 | if (!EFI_ERROR (Status) && (ImageSize != NULL)) {\r |
1e57a462 | 695 | *ImageSize = BufferSize;\r |
696 | }\r | |
697 | }\r | |
698 | \r | |
2edb5ad3 | 699 | if (Status == EFI_ALREADY_STARTED) {\r |
700 | Status = gBS->LocateProtocol (&gEfiPxeBaseCodeProtocolGuid, NULL, (VOID **)&Pxe);\r | |
701 | if (!EFI_ERROR(Status)) {\r | |
702 | // If PXE is already started, we stop it\r | |
703 | Pxe->Stop (Pxe);\r | |
704 | // And we try again\r | |
705 | return BdsPxeLoadImage (DevicePath, Handle, RemainingDevicePath, Type, Image, ImageSize);\r | |
706 | }\r | |
707 | }\r | |
1e57a462 | 708 | return Status;\r |
709 | }\r | |
710 | \r | |
711 | BOOLEAN\r | |
712 | BdsTftpSupport (\r | |
713 | IN EFI_DEVICE_PATH* DevicePath,\r | |
714 | IN EFI_HANDLE Handle,\r | |
715 | IN EFI_DEVICE_PATH* RemainingDevicePath\r | |
716 | )\r | |
717 | {\r | |
718 | EFI_STATUS Status;\r | |
719 | EFI_DEVICE_PATH *NextDevicePath;\r | |
720 | EFI_PXE_BASE_CODE_PROTOCOL *PxeBcProtocol;\r | |
721 | \r | |
722 | // Validate the Remaining Device Path\r | |
6f711615 | 723 | if (IsDevicePathEnd (RemainingDevicePath)) {\r |
1e57a462 | 724 | return FALSE;\r |
725 | }\r | |
6f711615 | 726 | if (!IS_DEVICE_PATH_NODE (RemainingDevicePath, MESSAGING_DEVICE_PATH, MSG_IPv4_DP) &&\r |
727 | !IS_DEVICE_PATH_NODE (RemainingDevicePath, MESSAGING_DEVICE_PATH, MSG_IPv6_DP)) {\r | |
1e57a462 | 728 | return FALSE;\r |
729 | }\r | |
730 | NextDevicePath = NextDevicePathNode (RemainingDevicePath);\r | |
6f711615 | 731 | if (IsDevicePathEnd (NextDevicePath)) {\r |
1e57a462 | 732 | return FALSE;\r |
733 | }\r | |
6f711615 | 734 | if (!IS_DEVICE_PATH_NODE (NextDevicePath, MEDIA_DEVICE_PATH, MEDIA_FILEPATH_DP)) {\r |
1e57a462 | 735 | return FALSE;\r |
736 | }\r | |
737 | \r | |
738 | Status = gBS->HandleProtocol (Handle, &gEfiPxeBaseCodeProtocolGuid, (VOID **)&PxeBcProtocol);\r | |
739 | if (EFI_ERROR (Status)) {\r | |
740 | return FALSE;\r | |
741 | } else {\r | |
742 | return TRUE;\r | |
743 | }\r | |
744 | }\r | |
745 | \r | |
746 | EFI_STATUS\r | |
747 | BdsTftpLoadImage (\r | |
748 | IN EFI_DEVICE_PATH* DevicePath,\r | |
749 | IN EFI_HANDLE Handle,\r | |
750 | IN EFI_DEVICE_PATH* RemainingDevicePath,\r | |
751 | IN EFI_ALLOCATE_TYPE Type,\r | |
752 | IN OUT EFI_PHYSICAL_ADDRESS *Image,\r | |
753 | OUT UINTN *ImageSize\r | |
754 | )\r | |
755 | {\r | |
756 | EFI_STATUS Status;\r | |
757 | EFI_PXE_BASE_CODE_PROTOCOL *Pxe;\r | |
758 | UINT64 TftpBufferSize;\r | |
edc93a31 | 759 | UINT64 TftpTransferSize;\r |
1e57a462 | 760 | EFI_IP_ADDRESS ServerIp;\r |
761 | IPv4_DEVICE_PATH* IPv4DevicePathNode;\r | |
762 | FILEPATH_DEVICE_PATH* FilePathDevicePath;\r | |
763 | EFI_IP_ADDRESS LocalIp;\r | |
2edb5ad3 | 764 | CHAR8* AsciiPathName;\r |
765 | EFI_SIMPLE_NETWORK_PROTOCOL *Snp;\r | |
1e57a462 | 766 | \r |
6f711615 | 767 | ASSERT(IS_DEVICE_PATH_NODE (RemainingDevicePath, MESSAGING_DEVICE_PATH, MSG_IPv4_DP));\r |
1e57a462 | 768 | \r |
769 | IPv4DevicePathNode = (IPv4_DEVICE_PATH*)RemainingDevicePath;\r | |
770 | FilePathDevicePath = (FILEPATH_DEVICE_PATH*)(IPv4DevicePathNode + 1);\r | |
771 | \r | |
772 | Status = gBS->LocateProtocol (&gEfiPxeBaseCodeProtocolGuid, NULL, (VOID **)&Pxe);\r | |
6f711615 | 773 | if (EFI_ERROR (Status)) {\r |
1e57a462 | 774 | return Status;\r |
775 | }\r | |
776 | \r | |
777 | Status = Pxe->Start (Pxe, FALSE);\r | |
6f711615 | 778 | if (EFI_ERROR (Status) && (Status != EFI_ALREADY_STARTED)) {\r |
1e57a462 | 779 | return Status;\r |
780 | }\r | |
781 | \r | |
2edb5ad3 | 782 | do {\r |
783 | if (!IPv4DevicePathNode->StaticIpAddress) {\r | |
784 | Status = Pxe->Dhcp (Pxe, TRUE);\r | |
785 | } else {\r | |
786 | CopyMem (&LocalIp.v4, &IPv4DevicePathNode->LocalIpAddress, sizeof (EFI_IPv4_ADDRESS));\r | |
787 | Status = Pxe->SetStationIp (Pxe, &LocalIp, NULL);\r | |
788 | }\r | |
789 | \r | |
790 | // If an IP Address has already been set and a different static IP address is requested then restart\r | |
791 | // the Network service.\r | |
792 | if (Status == EFI_ALREADY_STARTED) {\r | |
793 | Status = gBS->LocateProtocol (&gEfiSimpleNetworkProtocolGuid, NULL, (VOID **)&Snp);\r | |
794 | if (!EFI_ERROR (Status) && IPv4DevicePathNode->StaticIpAddress &&\r | |
795 | (CompareMem (&Snp->Mode->CurrentAddress, &IPv4DevicePathNode->LocalIpAddress, sizeof(EFI_MAC_ADDRESS)) != 0))\r | |
796 | {\r | |
797 | Pxe->Stop (Pxe);\r | |
798 | Status = Pxe->Start (Pxe, FALSE);\r | |
799 | if (EFI_ERROR(Status)) {\r | |
800 | break;\r | |
801 | }\r | |
802 | // After restarting the PXE protocol, we want to try again with our new IP Address\r | |
803 | Status = EFI_ALREADY_STARTED;\r | |
804 | }\r | |
805 | }\r | |
806 | } while (Status == EFI_ALREADY_STARTED);\r | |
807 | \r | |
808 | if (EFI_ERROR(Status)) {\r | |
1e57a462 | 809 | return Status;\r |
810 | }\r | |
811 | \r | |
812 | CopyMem (&ServerIp.v4, &IPv4DevicePathNode->RemoteIpAddress, sizeof (EFI_IPv4_ADDRESS));\r | |
813 | \r | |
2edb5ad3 | 814 | // Convert the Unicode PathName to Ascii\r |
815 | AsciiPathName = AllocatePool ((StrLen (FilePathDevicePath->PathName) + 1) * sizeof (CHAR8));\r | |
816 | if (AsciiPathName == NULL) {\r | |
817 | return EFI_OUT_OF_RESOURCES;\r | |
818 | }\r | |
819 | UnicodeStrToAsciiStr (FilePathDevicePath->PathName, AsciiPathName);\r | |
820 | \r | |
d8f36fb5 | 821 | // Try to get the size (required the TFTP server to have "tsize" extension)\r |
1e57a462 | 822 | Status = Pxe->Mtftp (\r |
823 | Pxe,\r | |
824 | EFI_PXE_BASE_CODE_TFTP_GET_FILE_SIZE,\r | |
825 | NULL,\r | |
826 | FALSE,\r | |
827 | &TftpBufferSize,\r | |
828 | NULL,\r | |
829 | &ServerIp,\r | |
2edb5ad3 | 830 | (UINT8*)AsciiPathName,\r |
1e57a462 | 831 | NULL,\r |
2edb5ad3 | 832 | FALSE\r |
1e57a462 | 833 | );\r |
d8f36fb5 OM |
834 | // Pxe.Mtftp replies EFI_PROTOCOL_ERROR if tsize is not supported by the TFTP server\r |
835 | if (EFI_ERROR (Status) && (Status != EFI_PROTOCOL_ERROR)) {\r | |
2edb5ad3 | 836 | if (Status == EFI_TFTP_ERROR) {\r |
837 | DEBUG((EFI_D_ERROR, "TFTP Error: Fail to get the size of the file\n"));\r | |
838 | }\r | |
839 | goto EXIT;\r | |
1e57a462 | 840 | }\r |
841 | \r | |
d8f36fb5 OM |
842 | //\r |
843 | // Two cases:\r | |
844 | // 1) the file size is unknown (tsize extension not supported)\r | |
845 | // 2) tsize returned the file size\r | |
846 | //\r | |
847 | if (Status == EFI_PROTOCOL_ERROR) {\r | |
848 | for (TftpBufferSize = SIZE_8MB; TftpBufferSize <= FixedPcdGet32 (PcdMaxTftpFileSize); TftpBufferSize += SIZE_8MB) {\r | |
849 | // Allocate a buffer to hold the whole file.\r | |
850 | Status = gBS->AllocatePages (\r | |
851 | Type,\r | |
852 | EfiBootServicesCode,\r | |
853 | EFI_SIZE_TO_PAGES (TftpBufferSize),\r | |
854 | Image\r | |
855 | );\r | |
856 | if (EFI_ERROR (Status)) {\r | |
857 | DEBUG ((EFI_D_ERROR, "Failed to allocate space for image: %r\n", Status));\r | |
858 | goto EXIT;\r | |
859 | }\r | |
1e57a462 | 860 | \r |
edc93a31 | 861 | TftpTransferSize = TftpBufferSize;\r |
d8f36fb5 OM |
862 | Status = Pxe->Mtftp (\r |
863 | Pxe,\r | |
864 | EFI_PXE_BASE_CODE_TFTP_READ_FILE,\r | |
865 | (VOID *)(UINTN)*Image,\r | |
866 | FALSE,\r | |
edc93a31 | 867 | &TftpTransferSize,\r |
d8f36fb5 OM |
868 | NULL,\r |
869 | &ServerIp,\r | |
870 | (UINT8*)AsciiPathName,\r | |
871 | NULL,\r | |
872 | FALSE\r | |
873 | );\r | |
874 | if (EFI_ERROR (Status)) {\r | |
875 | gBS->FreePages (*Image, EFI_SIZE_TO_PAGES (TftpBufferSize));\r | |
876 | } else {\r | |
877 | *ImageSize = (UINTN)TftpBufferSize;\r | |
878 | break;\r | |
879 | }\r | |
880 | }\r | |
1aaa6f61 | 881 | } else {\r |
d8f36fb5 OM |
882 | // Allocate a buffer to hold the whole file.\r |
883 | Status = gBS->AllocatePages (\r | |
884 | Type,\r | |
885 | EfiBootServicesCode,\r | |
886 | EFI_SIZE_TO_PAGES (TftpBufferSize),\r | |
887 | Image\r | |
888 | );\r | |
889 | if (EFI_ERROR (Status)) {\r | |
890 | DEBUG ((EFI_D_ERROR, "Failed to allocate space for kernel image: %r\n", Status));\r | |
891 | goto EXIT;\r | |
892 | }\r | |
893 | \r | |
894 | Status = Pxe->Mtftp (\r | |
895 | Pxe,\r | |
896 | EFI_PXE_BASE_CODE_TFTP_READ_FILE,\r | |
897 | (VOID *)(UINTN)*Image,\r | |
898 | FALSE,\r | |
899 | &TftpBufferSize,\r | |
900 | NULL,\r | |
901 | &ServerIp,\r | |
902 | (UINT8*)AsciiPathName,\r | |
903 | NULL,\r | |
904 | FALSE\r | |
905 | );\r | |
906 | if (EFI_ERROR (Status)) {\r | |
907 | gBS->FreePages (*Image, EFI_SIZE_TO_PAGES (TftpBufferSize));\r | |
908 | } else {\r | |
909 | *ImageSize = (UINTN)TftpBufferSize;\r | |
910 | }\r | |
1e57a462 | 911 | }\r |
912 | \r | |
2edb5ad3 | 913 | EXIT:\r |
914 | FreePool (AsciiPathName);\r | |
1e57a462 | 915 | return Status;\r |
916 | }\r | |
917 | \r | |
918 | BDS_FILE_LOADER FileLoaders[] = {\r | |
919 | { BdsFileSystemSupport, BdsFileSystemLoadImage },\r | |
920 | { BdsFirmwareVolumeSupport, BdsFirmwareVolumeLoadImage },\r | |
921 | //{ BdsLoadFileSupport, BdsLoadFileLoadImage },\r | |
922 | { BdsMemoryMapSupport, BdsMemoryMapLoadImage },\r | |
923 | { BdsPxeSupport, BdsPxeLoadImage },\r | |
924 | { BdsTftpSupport, BdsTftpLoadImage },\r | |
925 | { NULL, NULL }\r | |
926 | };\r | |
927 | \r | |
928 | EFI_STATUS\r | |
62d441fb RC |
929 | BdsLoadImageAndUpdateDevicePath (\r |
930 | IN OUT EFI_DEVICE_PATH **DevicePath,\r | |
1e57a462 | 931 | IN EFI_ALLOCATE_TYPE Type,\r |
932 | IN OUT EFI_PHYSICAL_ADDRESS* Image,\r | |
933 | OUT UINTN *FileSize\r | |
934 | )\r | |
935 | {\r | |
936 | EFI_STATUS Status;\r | |
937 | EFI_HANDLE Handle;\r | |
938 | EFI_DEVICE_PATH *RemainingDevicePath;\r | |
939 | BDS_FILE_LOADER* FileLoader;\r | |
940 | \r | |
62d441fb | 941 | Status = BdsConnectAndUpdateDevicePath (DevicePath, &Handle, &RemainingDevicePath);\r |
1e57a462 | 942 | if (EFI_ERROR (Status)) {\r |
943 | return Status;\r | |
944 | }\r | |
945 | \r | |
946 | FileLoader = FileLoaders;\r | |
947 | while (FileLoader->Support != NULL) {\r | |
62d441fb RC |
948 | if (FileLoader->Support (*DevicePath, Handle, RemainingDevicePath)) {\r |
949 | return FileLoader->LoadImage (*DevicePath, Handle, RemainingDevicePath, Type, Image, FileSize);\r | |
1e57a462 | 950 | }\r |
951 | FileLoader++;\r | |
952 | }\r | |
953 | \r | |
954 | return EFI_UNSUPPORTED;\r | |
955 | }\r | |
956 | \r | |
10ddca8d | 957 | EFI_STATUS\r |
62d441fb RC |
958 | BdsLoadImage (\r |
959 | IN EFI_DEVICE_PATH *DevicePath,\r | |
960 | IN EFI_ALLOCATE_TYPE Type,\r | |
961 | IN OUT EFI_PHYSICAL_ADDRESS* Image,\r | |
962 | OUT UINTN *FileSize\r | |
963 | )\r | |
964 | {\r | |
965 | return BdsLoadImageAndUpdateDevicePath (&DevicePath, Type, Image, FileSize);\r | |
966 | }\r | |
967 | \r | |
1e57a462 | 968 | /**\r |
969 | Start an EFI Application from a Device Path\r | |
970 | \r | |
971 | @param ParentImageHandle Handle of the calling image\r | |
972 | @param DevicePath Location of the EFI Application\r | |
973 | \r | |
974 | @retval EFI_SUCCESS All drivers have been connected\r | |
975 | @retval EFI_NOT_FOUND The Linux kernel Device Path has not been found\r | |
976 | @retval EFI_OUT_OF_RESOURCES There is not enough resource memory to store the matching results.\r | |
977 | \r | |
978 | **/\r | |
979 | EFI_STATUS\r | |
980 | BdsStartEfiApplication (\r | |
981 | IN EFI_HANDLE ParentImageHandle,\r | |
982 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r | |
983 | IN UINTN LoadOptionsSize,\r | |
984 | IN VOID* LoadOptions\r | |
985 | )\r | |
986 | {\r | |
987 | EFI_STATUS Status;\r | |
988 | EFI_HANDLE ImageHandle;\r | |
989 | EFI_PHYSICAL_ADDRESS BinaryBuffer;\r | |
990 | UINTN BinarySize;\r | |
991 | EFI_LOADED_IMAGE_PROTOCOL* LoadedImage;\r | |
992 | \r | |
993 | // Find the nearest supported file loader\r | |
62d441fb | 994 | Status = BdsLoadImageAndUpdateDevicePath (&DevicePath, AllocateAnyPages, &BinaryBuffer, &BinarySize);\r |
6f711615 | 995 | if (EFI_ERROR (Status)) {\r |
1e57a462 | 996 | return Status;\r |
997 | }\r | |
998 | \r | |
999 | // Load the image from the Buffer with Boot Services function\r | |
1000 | Status = gBS->LoadImage (TRUE, ParentImageHandle, DevicePath, (VOID*)(UINTN)BinaryBuffer, BinarySize, &ImageHandle);\r | |
6f711615 | 1001 | if (EFI_ERROR (Status)) {\r |
1e57a462 | 1002 | return Status;\r |
1003 | }\r | |
1004 | \r | |
1005 | // Passed LoadOptions to the EFI Application\r | |
1006 | if (LoadOptionsSize != 0) {\r | |
1007 | Status = gBS->HandleProtocol (ImageHandle, &gEfiLoadedImageProtocolGuid, (VOID **) &LoadedImage);\r | |
6f711615 | 1008 | if (EFI_ERROR (Status)) {\r |
1e57a462 | 1009 | return Status;\r |
1010 | }\r | |
1011 | \r | |
1012 | LoadedImage->LoadOptionsSize = LoadOptionsSize;\r | |
1013 | LoadedImage->LoadOptions = LoadOptions;\r | |
1014 | }\r | |
1015 | \r | |
1016 | // Before calling the image, enable the Watchdog Timer for the 5 Minute period\r | |
1017 | gBS->SetWatchdogTimer (5 * 60, 0x0000, 0x00, NULL);\r | |
1018 | // Start the image\r | |
1019 | Status = gBS->StartImage (ImageHandle, NULL, NULL);\r | |
1020 | // Clear the Watchdog Timer after the image returns\r | |
1021 | gBS->SetWatchdogTimer (0x0000, 0x0000, 0x0000, NULL);\r | |
1022 | \r | |
1023 | return Status;\r | |
1024 | }\r |