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1 | /** @file\r | |
2 | *\r | |
3 | * Copyright (c) 2011-2014, ARM Limited. All rights reserved.\r | |
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 <Library/NetLib.h>\r | |
18 | \r | |
19 | #include <Protocol/Bds.h>\r | |
20 | #include <Protocol/UsbIo.h>\r | |
21 | #include <Protocol/DiskIo.h>\r | |
22 | #include <Protocol/LoadedImage.h>\r | |
23 | #include <Protocol/SimpleNetwork.h>\r | |
24 | #include <Protocol/Dhcp4.h>\r | |
25 | #include <Protocol/Mtftp4.h>\r | |
26 | \r | |
27 | /* Type and defines to set up the DHCP4 options */\r | |
28 | \r | |
29 | typedef struct {\r | |
30 | EFI_DHCP4_PACKET_OPTION Head;\r | |
31 | UINT8 Route;\r | |
32 | } DHCP4_OPTION;\r | |
33 | \r | |
34 | #define DHCP_TAG_PARA_LIST 55\r | |
35 | #define DHCP_TAG_NETMASK 1\r | |
36 | #define DHCP_TAG_ROUTER 3\r | |
37 | \r | |
38 | /*\r | |
39 | Constant strings and define related to the message indicating the amount of\r | |
40 | progress in the dowloading of a TFTP file.\r | |
41 | */\r | |
42 | \r | |
43 | // Frame for the progression slider\r | |
44 | STATIC CONST CHAR16 mTftpProgressFrame[] = L"[ ]";\r | |
45 | \r | |
46 | // Number of steps in the progression slider\r | |
47 | #define TFTP_PROGRESS_SLIDER_STEPS ((sizeof (mTftpProgressFrame) / sizeof (CHAR16)) - 3)\r | |
48 | \r | |
49 | // Size in number of characters plus one (final zero) of the message to\r | |
50 | // indicate the progress of a tftp download. The format is "[(progress slider:\r | |
51 | // 40 characters)] (nb of KBytes downloaded so far: 7 characters) Kb". There\r | |
52 | // are thus the number of characters in mTftpProgressFrame[] plus 11 characters\r | |
53 | // (2 // spaces, "Kb" and seven characters for the number of KBytes).\r | |
54 | #define TFTP_PROGRESS_MESSAGE_SIZE ((sizeof (mTftpProgressFrame) / sizeof (CHAR16)) + 12)\r | |
55 | \r | |
56 | // String to delete the tftp progress message to be able to update it :\r | |
57 | // (TFTP_PROGRESS_MESSAGE_SIZE-1) '\b'\r | |
58 | STATIC CONST CHAR16 mTftpProgressDelete[] = L"\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b";\r | |
59 | \r | |
60 | \r | |
61 | // Extract the FilePath from the Device Path\r | |
62 | CHAR16*\r | |
63 | BdsExtractFilePathFromDevicePath (\r | |
64 | IN CONST CHAR16 *StrDevicePath,\r | |
65 | IN UINTN NumberDevicePathNode\r | |
66 | )\r | |
67 | {\r | |
68 | UINTN Node;\r | |
69 | CHAR16 *Str;\r | |
70 | \r | |
71 | Str = (CHAR16*)StrDevicePath;\r | |
72 | Node = 0;\r | |
73 | while ((Str != NULL) && (*Str != L'\0') && (Node < NumberDevicePathNode)) {\r | |
74 | if ((*Str == L'/') || (*Str == L'\\')) {\r | |
75 | Node++;\r | |
76 | }\r | |
77 | Str++;\r | |
78 | }\r | |
79 | \r | |
80 | if (*Str == L'\0') {\r | |
81 | return NULL;\r | |
82 | } else {\r | |
83 | return Str;\r | |
84 | }\r | |
85 | }\r | |
86 | \r | |
87 | BOOLEAN\r | |
88 | BdsIsRemovableUsb (\r | |
89 | IN EFI_DEVICE_PATH* DevicePath\r | |
90 | )\r | |
91 | {\r | |
92 | return ((DevicePathType (DevicePath) == MESSAGING_DEVICE_PATH) &&\r | |
93 | ((DevicePathSubType (DevicePath) == MSG_USB_CLASS_DP) ||\r | |
94 | (DevicePathSubType (DevicePath) == MSG_USB_WWID_DP)));\r | |
95 | }\r | |
96 | \r | |
97 | EFI_STATUS\r | |
98 | BdsGetDeviceUsb (\r | |
99 | IN EFI_DEVICE_PATH* RemovableDevicePath,\r | |
100 | OUT EFI_HANDLE* DeviceHandle,\r | |
101 | OUT EFI_DEVICE_PATH** NewDevicePath\r | |
102 | )\r | |
103 | {\r | |
104 | EFI_STATUS Status;\r | |
105 | UINTN Index;\r | |
106 | UINTN UsbIoHandleCount;\r | |
107 | EFI_HANDLE *UsbIoBuffer;\r | |
108 | EFI_DEVICE_PATH* UsbIoDevicePath;\r | |
109 | EFI_DEVICE_PATH* TmpDevicePath;\r | |
110 | USB_WWID_DEVICE_PATH* WwidDevicePath1;\r | |
111 | USB_WWID_DEVICE_PATH* WwidDevicePath2;\r | |
112 | USB_CLASS_DEVICE_PATH* UsbClassDevicePath1;\r | |
113 | USB_CLASS_DEVICE_PATH* UsbClassDevicePath2;\r | |
114 | \r | |
115 | // Get all the UsbIo handles\r | |
116 | UsbIoHandleCount = 0;\r | |
117 | Status = gBS->LocateHandleBuffer (ByProtocol, &gEfiUsbIoProtocolGuid, NULL, &UsbIoHandleCount, &UsbIoBuffer);\r | |
118 | if (EFI_ERROR (Status) || (UsbIoHandleCount == 0)) {\r | |
119 | return Status;\r | |
120 | }\r | |
121 | \r | |
122 | // Check if one of the handles matches the USB description\r | |
123 | for (Index = 0; Index < UsbIoHandleCount; Index++) {\r | |
124 | Status = gBS->HandleProtocol (UsbIoBuffer[Index], &gEfiDevicePathProtocolGuid, (VOID **) &UsbIoDevicePath);\r | |
125 | if (!EFI_ERROR (Status)) {\r | |
126 | TmpDevicePath = UsbIoDevicePath;\r | |
127 | while (!IsDevicePathEnd (TmpDevicePath)) {\r | |
128 | // Check if the Device Path node is a USB Removable device Path node\r | |
129 | if (BdsIsRemovableUsb (TmpDevicePath)) {\r | |
130 | if (TmpDevicePath->SubType == MSG_USB_WWID_DP) {\r | |
131 | WwidDevicePath1 = (USB_WWID_DEVICE_PATH*)RemovableDevicePath;\r | |
132 | WwidDevicePath2 = (USB_WWID_DEVICE_PATH*)TmpDevicePath;\r | |
133 | if ((WwidDevicePath1->VendorId == WwidDevicePath2->VendorId) &&\r | |
134 | (WwidDevicePath1->ProductId == WwidDevicePath2->ProductId) &&\r | |
135 | (CompareMem (WwidDevicePath1+1, WwidDevicePath2+1, DevicePathNodeLength(WwidDevicePath1)-sizeof (USB_WWID_DEVICE_PATH)) == 0))\r | |
136 | {\r | |
137 | *DeviceHandle = UsbIoBuffer[Index];\r | |
138 | // Add the additional original Device Path Nodes (eg: FilePath Device Path Node) to the new Device Path\r | |
139 | *NewDevicePath = AppendDevicePath (UsbIoDevicePath, NextDevicePathNode (RemovableDevicePath));\r | |
140 | return EFI_SUCCESS;\r | |
141 | }\r | |
142 | } else {\r | |
143 | UsbClassDevicePath1 = (USB_CLASS_DEVICE_PATH*)RemovableDevicePath;\r | |
144 | UsbClassDevicePath2 = (USB_CLASS_DEVICE_PATH*)TmpDevicePath;\r | |
145 | if ((UsbClassDevicePath1->VendorId != 0xFFFF) && (UsbClassDevicePath1->VendorId == UsbClassDevicePath2->VendorId) &&\r | |
146 | (UsbClassDevicePath1->ProductId != 0xFFFF) && (UsbClassDevicePath1->ProductId == UsbClassDevicePath2->ProductId) &&\r | |
147 | (UsbClassDevicePath1->DeviceClass != 0xFF) && (UsbClassDevicePath1->DeviceClass == UsbClassDevicePath2->DeviceClass) &&\r | |
148 | (UsbClassDevicePath1->DeviceSubClass != 0xFF) && (UsbClassDevicePath1->DeviceSubClass == UsbClassDevicePath2->DeviceSubClass) &&\r | |
149 | (UsbClassDevicePath1->DeviceProtocol != 0xFF) && (UsbClassDevicePath1->DeviceProtocol == UsbClassDevicePath2->DeviceProtocol))\r | |
150 | {\r | |
151 | *DeviceHandle = UsbIoBuffer[Index];\r | |
152 | // Add the additional original Device Path Nodes (eg: FilePath Device Path Node) to the new Device Path\r | |
153 | *NewDevicePath = AppendDevicePath (UsbIoDevicePath, NextDevicePathNode (RemovableDevicePath));\r | |
154 | return EFI_SUCCESS;\r | |
155 | }\r | |
156 | }\r | |
157 | }\r | |
158 | TmpDevicePath = NextDevicePathNode (TmpDevicePath);\r | |
159 | }\r | |
160 | \r | |
161 | }\r | |
162 | }\r | |
163 | \r | |
164 | return EFI_NOT_FOUND;\r | |
165 | }\r | |
166 | \r | |
167 | BOOLEAN\r | |
168 | BdsIsRemovableHd (\r | |
169 | IN EFI_DEVICE_PATH* DevicePath\r | |
170 | )\r | |
171 | {\r | |
172 | return IS_DEVICE_PATH_NODE (DevicePath, MEDIA_DEVICE_PATH, MEDIA_HARDDRIVE_DP);\r | |
173 | }\r | |
174 | \r | |
175 | EFI_STATUS\r | |
176 | BdsGetDeviceHd (\r | |
177 | IN EFI_DEVICE_PATH* RemovableDevicePath,\r | |
178 | OUT EFI_HANDLE* DeviceHandle,\r | |
179 | OUT EFI_DEVICE_PATH** NewDevicePath\r | |
180 | )\r | |
181 | {\r | |
182 | EFI_STATUS Status;\r | |
183 | UINTN Index;\r | |
184 | UINTN PartitionHandleCount;\r | |
185 | EFI_HANDLE *PartitionBuffer;\r | |
186 | EFI_DEVICE_PATH* PartitionDevicePath;\r | |
187 | EFI_DEVICE_PATH* TmpDevicePath;\r | |
188 | HARDDRIVE_DEVICE_PATH* HardDriveDevicePath1;\r | |
189 | HARDDRIVE_DEVICE_PATH* HardDriveDevicePath2;\r | |
190 | \r | |
191 | // Get all the DiskIo handles\r | |
192 | PartitionHandleCount = 0;\r | |
193 | Status = gBS->LocateHandleBuffer (ByProtocol, &gEfiDiskIoProtocolGuid, NULL, &PartitionHandleCount, &PartitionBuffer);\r | |
194 | if (EFI_ERROR (Status) || (PartitionHandleCount == 0)) {\r | |
195 | return Status;\r | |
196 | }\r | |
197 | \r | |
198 | // Check if one of the handles matches the Hard Disk Description\r | |
199 | for (Index = 0; Index < PartitionHandleCount; Index++) {\r | |
200 | Status = gBS->HandleProtocol (PartitionBuffer[Index], &gEfiDevicePathProtocolGuid, (VOID **) &PartitionDevicePath);\r | |
201 | if (!EFI_ERROR (Status)) {\r | |
202 | TmpDevicePath = PartitionDevicePath;\r | |
203 | while (!IsDevicePathEnd (TmpDevicePath)) {\r | |
204 | // Check if the Device Path node is a HD Removable device Path node\r | |
205 | if (BdsIsRemovableHd (TmpDevicePath)) {\r | |
206 | HardDriveDevicePath1 = (HARDDRIVE_DEVICE_PATH*)RemovableDevicePath;\r | |
207 | HardDriveDevicePath2 = (HARDDRIVE_DEVICE_PATH*)TmpDevicePath;\r | |
208 | if ((HardDriveDevicePath1->SignatureType == HardDriveDevicePath2->SignatureType) &&\r | |
209 | (CompareGuid ((EFI_GUID *)HardDriveDevicePath1->Signature, (EFI_GUID *)HardDriveDevicePath2->Signature) == TRUE) &&\r | |
210 | (HardDriveDevicePath1->PartitionNumber == HardDriveDevicePath2->PartitionNumber))\r | |
211 | {\r | |
212 | *DeviceHandle = PartitionBuffer[Index];\r | |
213 | // Add the additional original Device Path Nodes (eg: FilePath Device Path Node) to the new Device Path\r | |
214 | *NewDevicePath = AppendDevicePath (PartitionDevicePath, NextDevicePathNode (RemovableDevicePath));\r | |
215 | return EFI_SUCCESS;\r | |
216 | }\r | |
217 | }\r | |
218 | TmpDevicePath = NextDevicePathNode (TmpDevicePath);\r | |
219 | }\r | |
220 | \r | |
221 | }\r | |
222 | }\r | |
223 | \r | |
224 | return EFI_NOT_FOUND;\r | |
225 | }\r | |
226 | \r | |
227 | /*BOOLEAN\r | |
228 | BdsIsRemovableCdrom (\r | |
229 | IN EFI_DEVICE_PATH* DevicePath\r | |
230 | )\r | |
231 | {\r | |
232 | return IS_DEVICE_PATH_NODE (DevicePath, MEDIA_DEVICE_PATH, MEDIA_CDROM_DP);\r | |
233 | }\r | |
234 | \r | |
235 | EFI_STATUS\r | |
236 | BdsGetDeviceCdrom (\r | |
237 | IN EFI_DEVICE_PATH* RemovableDevicePath,\r | |
238 | OUT EFI_HANDLE* DeviceHandle,\r | |
239 | OUT EFI_DEVICE_PATH** DevicePath\r | |
240 | )\r | |
241 | {\r | |
242 | ASSERT(0);\r | |
243 | return EFI_UNSUPPORTED;\r | |
244 | }*/\r | |
245 | \r | |
246 | typedef BOOLEAN\r | |
247 | (*BDS_IS_REMOVABLE) (\r | |
248 | IN EFI_DEVICE_PATH* DevicePath\r | |
249 | );\r | |
250 | \r | |
251 | typedef EFI_STATUS\r | |
252 | (*BDS_GET_DEVICE) (\r | |
253 | IN EFI_DEVICE_PATH* RemovableDevicePath,\r | |
254 | OUT EFI_HANDLE* DeviceHandle,\r | |
255 | OUT EFI_DEVICE_PATH** DevicePath\r | |
256 | );\r | |
257 | \r | |
258 | typedef struct {\r | |
259 | BDS_IS_REMOVABLE IsRemovable;\r | |
260 | BDS_GET_DEVICE GetDevice;\r | |
261 | } BDS_REMOVABLE_DEVICE_SUPPORT;\r | |
262 | \r | |
263 | BDS_REMOVABLE_DEVICE_SUPPORT RemovableDeviceSupport[] = {\r | |
264 | { BdsIsRemovableUsb, BdsGetDeviceUsb },\r | |
265 | { BdsIsRemovableHd, BdsGetDeviceHd },\r | |
266 | //{ BdsIsRemovableCdrom, BdsGetDeviceCdrom }\r | |
267 | };\r | |
268 | \r | |
269 | STATIC\r | |
270 | BOOLEAN\r | |
271 | IsRemovableDevice (\r | |
272 | IN EFI_DEVICE_PATH* DevicePath\r | |
273 | )\r | |
274 | {\r | |
275 | UINTN Index;\r | |
276 | EFI_DEVICE_PATH* TmpDevicePath;\r | |
277 | \r | |
278 | TmpDevicePath = DevicePath;\r | |
279 | while (!IsDevicePathEnd (TmpDevicePath)) {\r | |
280 | for (Index = 0; Index < sizeof (RemovableDeviceSupport) / sizeof (BDS_REMOVABLE_DEVICE_SUPPORT); Index++) {\r | |
281 | if (RemovableDeviceSupport[Index].IsRemovable (TmpDevicePath)) {\r | |
282 | return TRUE;\r | |
283 | }\r | |
284 | }\r | |
285 | TmpDevicePath = NextDevicePathNode (TmpDevicePath);\r | |
286 | }\r | |
287 | \r | |
288 | return FALSE;\r | |
289 | }\r | |
290 | \r | |
291 | STATIC\r | |
292 | EFI_STATUS\r | |
293 | TryRemovableDevice (\r | |
294 | IN EFI_DEVICE_PATH* DevicePath,\r | |
295 | OUT EFI_HANDLE* DeviceHandle,\r | |
296 | OUT EFI_DEVICE_PATH** NewDevicePath\r | |
297 | )\r | |
298 | {\r | |
299 | EFI_STATUS Status;\r | |
300 | UINTN Index;\r | |
301 | EFI_DEVICE_PATH* TmpDevicePath;\r | |
302 | BDS_REMOVABLE_DEVICE_SUPPORT* RemovableDevice;\r | |
303 | EFI_DEVICE_PATH* RemovableDevicePath;\r | |
304 | BOOLEAN RemovableFound;\r | |
305 | \r | |
306 | RemovableDevice = NULL;\r | |
307 | RemovableDevicePath = NULL;\r | |
308 | RemovableFound = FALSE;\r | |
309 | TmpDevicePath = DevicePath;\r | |
310 | \r | |
311 | while (!IsDevicePathEnd (TmpDevicePath) && !RemovableFound) {\r | |
312 | for (Index = 0; Index < sizeof (RemovableDeviceSupport) / sizeof (BDS_REMOVABLE_DEVICE_SUPPORT); Index++) {\r | |
313 | RemovableDevice = &RemovableDeviceSupport[Index];\r | |
314 | if (RemovableDevice->IsRemovable (TmpDevicePath)) {\r | |
315 | RemovableDevicePath = TmpDevicePath;\r | |
316 | RemovableFound = TRUE;\r | |
317 | break;\r | |
318 | }\r | |
319 | }\r | |
320 | TmpDevicePath = NextDevicePathNode (TmpDevicePath);\r | |
321 | }\r | |
322 | \r | |
323 | if (!RemovableFound) {\r | |
324 | return EFI_NOT_FOUND;\r | |
325 | }\r | |
326 | \r | |
327 | // Search into the current started drivers\r | |
328 | Status = RemovableDevice->GetDevice (RemovableDevicePath, DeviceHandle, NewDevicePath);\r | |
329 | if (Status == EFI_NOT_FOUND) {\r | |
330 | // Connect all the drivers\r | |
331 | BdsConnectAllDrivers ();\r | |
332 | \r | |
333 | // Search again into all the drivers\r | |
334 | Status = RemovableDevice->GetDevice (RemovableDevicePath, DeviceHandle, NewDevicePath);\r | |
335 | }\r | |
336 | \r | |
337 | return Status;\r | |
338 | }\r | |
339 | \r | |
340 | STATIC\r | |
341 | EFI_STATUS\r | |
342 | BdsConnectAndUpdateDevicePath (\r | |
343 | IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath,\r | |
344 | OUT EFI_HANDLE *Handle,\r | |
345 | OUT EFI_DEVICE_PATH_PROTOCOL **RemainingDevicePath\r | |
346 | )\r | |
347 | {\r | |
348 | EFI_DEVICE_PATH* Remaining;\r | |
349 | EFI_DEVICE_PATH* NewDevicePath;\r | |
350 | EFI_STATUS Status;\r | |
351 | EFI_HANDLE PreviousHandle;\r | |
352 | \r | |
353 | if ((DevicePath == NULL) || (*DevicePath == NULL) || (Handle == NULL)) {\r | |
354 | return EFI_INVALID_PARAMETER;\r | |
355 | }\r | |
356 | \r | |
357 | PreviousHandle = NULL;\r | |
358 | do {\r | |
359 | Remaining = *DevicePath;\r | |
360 | \r | |
361 | // The LocateDevicePath() function locates all devices on DevicePath that support Protocol and returns\r | |
362 | // the handle to the device that is closest to DevicePath. On output, the device path pointer is modified\r | |
363 | // to point to the remaining part of the device path\r | |
364 | Status = gBS->LocateDevicePath (&gEfiDevicePathProtocolGuid, &Remaining, Handle);\r | |
365 | \r | |
366 | if (!EFI_ERROR (Status)) {\r | |
367 | if (*Handle == PreviousHandle) {\r | |
368 | //\r | |
369 | // If no forward progress is made try invoking the Dispatcher.\r | |
370 | // A new FV may have been added to the system and new drivers\r | |
371 | // may now be found.\r | |
372 | // Status == EFI_SUCCESS means a driver was dispatched\r | |
373 | // Status == EFI_NOT_FOUND means no new drivers were dispatched\r | |
374 | //\r | |
375 | Status = gDS->Dispatch ();\r | |
376 | }\r | |
377 | \r | |
378 | if (!EFI_ERROR (Status)) {\r | |
379 | PreviousHandle = *Handle;\r | |
380 | \r | |
381 | // Recursive = FALSE: We do not want to start the whole device tree\r | |
382 | Status = gBS->ConnectController (*Handle, NULL, Remaining, FALSE);\r | |
383 | }\r | |
384 | }\r | |
385 | } while (!EFI_ERROR (Status) && !IsDevicePathEnd (Remaining));\r | |
386 | \r | |
387 | if (!EFI_ERROR (Status)) {\r | |
388 | // Now, we have got the whole Device Path connected, call again ConnectController to ensure all the supported Driver\r | |
389 | // Binding Protocol are connected (such as DiskIo and SimpleFileSystem)\r | |
390 | Remaining = *DevicePath;\r | |
391 | Status = gBS->LocateDevicePath (&gEfiDevicePathProtocolGuid, &Remaining, Handle);\r | |
392 | if (!EFI_ERROR (Status)) {\r | |
393 | Status = gBS->ConnectController (*Handle, NULL, Remaining, FALSE);\r | |
394 | if (EFI_ERROR (Status)) {\r | |
395 | // If the last node is a Memory Map Device Path just return EFI_SUCCESS.\r | |
396 | if ((Remaining->Type == HARDWARE_DEVICE_PATH) && (Remaining->SubType == HW_MEMMAP_DP)) {\r | |
397 | Status = EFI_SUCCESS;\r | |
398 | }\r | |
399 | }\r | |
400 | }\r | |
401 | } else if (!IsDevicePathEnd (Remaining) && !IsRemovableDevice (Remaining)) {\r | |
402 | \r | |
403 | /*// If the remaining Device Path is a FilePath or MemoryMap then we consider the Device Path has been loaded correctly\r | |
404 | if ((Remaining->Type == MEDIA_DEVICE_PATH) && (Remaining->SubType == MEDIA_FILEPATH_DP)) {\r | |
405 | Status = EFI_SUCCESS;\r | |
406 | } else if ((Remaining->Type == HARDWARE_DEVICE_PATH) && (Remaining->SubType == HW_MEMMAP_DP)) {\r | |
407 | Status = EFI_SUCCESS;\r | |
408 | }*/\r | |
409 | \r | |
410 | //TODO: Should we just return success and leave the caller decide if it is the expected RemainingPath\r | |
411 | Status = EFI_SUCCESS;\r | |
412 | } else {\r | |
413 | Status = TryRemovableDevice (*DevicePath, Handle, &NewDevicePath);\r | |
414 | if (!EFI_ERROR (Status)) {\r | |
415 | Status = BdsConnectAndUpdateDevicePath (&NewDevicePath, Handle, RemainingDevicePath);\r | |
416 | *DevicePath = NewDevicePath;\r | |
417 | return Status;\r | |
418 | }\r | |
419 | }\r | |
420 | \r | |
421 | if (RemainingDevicePath) {\r | |
422 | *RemainingDevicePath = Remaining;\r | |
423 | }\r | |
424 | \r | |
425 | return Status;\r | |
426 | }\r | |
427 | \r | |
428 | /**\r | |
429 | Connect a Device Path and return the handle of the driver that support this DevicePath\r | |
430 | \r | |
431 | @param DevicePath Device Path of the File to connect\r | |
432 | @param Handle Handle of the driver that support this DevicePath\r | |
433 | @param RemainingDevicePath Remaining DevicePath nodes that do not match the driver DevicePath\r | |
434 | \r | |
435 | @retval EFI_SUCCESS A driver that matches the Device Path has been found\r | |
436 | @retval EFI_NOT_FOUND No handles match the search.\r | |
437 | @retval EFI_INVALID_PARAMETER DevicePath or Handle is NULL\r | |
438 | \r | |
439 | **/\r | |
440 | EFI_STATUS\r | |
441 | BdsConnectDevicePath (\r | |
442 | IN EFI_DEVICE_PATH_PROTOCOL* DevicePath,\r | |
443 | OUT EFI_HANDLE *Handle,\r | |
444 | OUT EFI_DEVICE_PATH_PROTOCOL **RemainingDevicePath\r | |
445 | )\r | |
446 | {\r | |
447 | return BdsConnectAndUpdateDevicePath (&DevicePath, Handle, RemainingDevicePath);\r | |
448 | }\r | |
449 | \r | |
450 | BOOLEAN\r | |
451 | BdsFileSystemSupport (\r | |
452 | IN EFI_DEVICE_PATH *DevicePath,\r | |
453 | IN EFI_HANDLE Handle,\r | |
454 | IN EFI_DEVICE_PATH *RemainingDevicePath\r | |
455 | )\r | |
456 | {\r | |
457 | EFI_STATUS Status;\r | |
458 | EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *FsProtocol;\r | |
459 | \r | |
460 | Status = gBS->HandleProtocol (Handle, &gEfiSimpleFileSystemProtocolGuid, (VOID **)&FsProtocol);\r | |
461 | \r | |
462 | return (!EFI_ERROR (Status) && IS_DEVICE_PATH_NODE (RemainingDevicePath, MEDIA_DEVICE_PATH, MEDIA_FILEPATH_DP));\r | |
463 | }\r | |
464 | \r | |
465 | EFI_STATUS\r | |
466 | BdsFileSystemLoadImage (\r | |
467 | IN OUT EFI_DEVICE_PATH **DevicePath,\r | |
468 | IN EFI_HANDLE Handle,\r | |
469 | IN EFI_DEVICE_PATH *RemainingDevicePath,\r | |
470 | IN EFI_ALLOCATE_TYPE Type,\r | |
471 | IN OUT EFI_PHYSICAL_ADDRESS *Image,\r | |
472 | OUT UINTN *ImageSize\r | |
473 | )\r | |
474 | {\r | |
475 | EFI_STATUS Status;\r | |
476 | FILEPATH_DEVICE_PATH *FilePathDevicePath;\r | |
477 | EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *FsProtocol;\r | |
478 | EFI_FILE_PROTOCOL *Fs;\r | |
479 | EFI_FILE_INFO *FileInfo;\r | |
480 | EFI_FILE_PROTOCOL *File;\r | |
481 | UINTN Size;\r | |
482 | \r | |
483 | ASSERT (IS_DEVICE_PATH_NODE (RemainingDevicePath, MEDIA_DEVICE_PATH, MEDIA_FILEPATH_DP));\r | |
484 | \r | |
485 | FilePathDevicePath = (FILEPATH_DEVICE_PATH*)RemainingDevicePath;\r | |
486 | \r | |
487 | Status = gBS->OpenProtocol (\r | |
488 | Handle,\r | |
489 | &gEfiSimpleFileSystemProtocolGuid,\r | |
490 | (VOID**)&FsProtocol,\r | |
491 | gImageHandle,\r | |
492 | Handle,\r | |
493 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
494 | );\r | |
495 | if (EFI_ERROR (Status)) {\r | |
496 | return Status;\r | |
497 | }\r | |
498 | \r | |
499 | // Try to Open the volume and get root directory\r | |
500 | Status = FsProtocol->OpenVolume (FsProtocol, &Fs);\r | |
501 | if (EFI_ERROR (Status)) {\r | |
502 | goto CLOSE_PROTOCOL;\r | |
503 | }\r | |
504 | \r | |
505 | Status = Fs->Open (Fs, &File, FilePathDevicePath->PathName, EFI_FILE_MODE_READ, 0);\r | |
506 | if (EFI_ERROR (Status)) {\r | |
507 | goto CLOSE_PROTOCOL;\r | |
508 | }\r | |
509 | \r | |
510 | Size = 0;\r | |
511 | File->GetInfo (File, &gEfiFileInfoGuid, &Size, NULL);\r | |
512 | FileInfo = AllocatePool (Size);\r | |
513 | Status = File->GetInfo (File, &gEfiFileInfoGuid, &Size, FileInfo);\r | |
514 | if (EFI_ERROR (Status)) {\r | |
515 | goto CLOSE_FILE;\r | |
516 | }\r | |
517 | \r | |
518 | // Get the file size\r | |
519 | Size = FileInfo->FileSize;\r | |
520 | if (ImageSize) {\r | |
521 | *ImageSize = Size;\r | |
522 | }\r | |
523 | FreePool (FileInfo);\r | |
524 | \r | |
525 | Status = gBS->AllocatePages (Type, EfiBootServicesCode, EFI_SIZE_TO_PAGES(Size), Image);\r | |
526 | // Try to allocate in any pages if failed to allocate memory at the defined location\r | |
527 | if ((Status == EFI_OUT_OF_RESOURCES) && (Type != AllocateAnyPages)) {\r | |
528 | Status = gBS->AllocatePages (AllocateAnyPages, EfiBootServicesCode, EFI_SIZE_TO_PAGES(Size), Image);\r | |
529 | }\r | |
530 | if (!EFI_ERROR (Status)) {\r | |
531 | Status = File->Read (File, &Size, (VOID*)(UINTN)(*Image));\r | |
532 | }\r | |
533 | \r | |
534 | CLOSE_FILE:\r | |
535 | File->Close (File);\r | |
536 | \r | |
537 | CLOSE_PROTOCOL:\r | |
538 | gBS->CloseProtocol (\r | |
539 | Handle,\r | |
540 | &gEfiSimpleFileSystemProtocolGuid,\r | |
541 | gImageHandle,\r | |
542 | Handle);\r | |
543 | \r | |
544 | return Status;\r | |
545 | }\r | |
546 | \r | |
547 | BOOLEAN\r | |
548 | BdsMemoryMapSupport (\r | |
549 | IN EFI_DEVICE_PATH *DevicePath,\r | |
550 | IN EFI_HANDLE Handle,\r | |
551 | IN EFI_DEVICE_PATH *RemainingDevicePath\r | |
552 | )\r | |
553 | {\r | |
554 | return IS_DEVICE_PATH_NODE (DevicePath, HARDWARE_DEVICE_PATH, HW_MEMMAP_DP) ||\r | |
555 | IS_DEVICE_PATH_NODE (RemainingDevicePath, HARDWARE_DEVICE_PATH, HW_MEMMAP_DP);\r | |
556 | }\r | |
557 | \r | |
558 | EFI_STATUS\r | |
559 | BdsMemoryMapLoadImage (\r | |
560 | IN OUT EFI_DEVICE_PATH **DevicePath,\r | |
561 | IN EFI_HANDLE Handle,\r | |
562 | IN EFI_DEVICE_PATH *RemainingDevicePath,\r | |
563 | IN EFI_ALLOCATE_TYPE Type,\r | |
564 | IN OUT EFI_PHYSICAL_ADDRESS* Image,\r | |
565 | OUT UINTN *ImageSize\r | |
566 | )\r | |
567 | {\r | |
568 | EFI_STATUS Status;\r | |
569 | MEMMAP_DEVICE_PATH* MemMapPathDevicePath;\r | |
570 | UINTN Size;\r | |
571 | \r | |
572 | if (IS_DEVICE_PATH_NODE (RemainingDevicePath, HARDWARE_DEVICE_PATH, HW_MEMMAP_DP)) {\r | |
573 | MemMapPathDevicePath = (MEMMAP_DEVICE_PATH*)RemainingDevicePath;\r | |
574 | } else {\r | |
575 | ASSERT (IS_DEVICE_PATH_NODE (*DevicePath, HARDWARE_DEVICE_PATH, HW_MEMMAP_DP));\r | |
576 | MemMapPathDevicePath = (MEMMAP_DEVICE_PATH*)*DevicePath;\r | |
577 | }\r | |
578 | \r | |
579 | Size = MemMapPathDevicePath->EndingAddress - MemMapPathDevicePath->StartingAddress;\r | |
580 | if (Size == 0) {\r | |
581 | return EFI_INVALID_PARAMETER;\r | |
582 | }\r | |
583 | \r | |
584 | Status = gBS->AllocatePages (Type, EfiBootServicesCode, EFI_SIZE_TO_PAGES(Size), Image);\r | |
585 | // Try to allocate in any pages if failed to allocate memory at the defined location\r | |
586 | if ((Status == EFI_OUT_OF_RESOURCES) && (Type != AllocateAnyPages)) {\r | |
587 | Status = gBS->AllocatePages (AllocateAnyPages, EfiBootServicesCode, EFI_SIZE_TO_PAGES(Size), Image);\r | |
588 | }\r | |
589 | if (!EFI_ERROR (Status)) {\r | |
590 | CopyMem ((VOID*)(UINTN)(*Image), (CONST VOID*)(UINTN)MemMapPathDevicePath->StartingAddress, Size);\r | |
591 | \r | |
592 | if (ImageSize != NULL) {\r | |
593 | *ImageSize = Size;\r | |
594 | }\r | |
595 | }\r | |
596 | \r | |
597 | return Status;\r | |
598 | }\r | |
599 | \r | |
600 | BOOLEAN\r | |
601 | BdsFirmwareVolumeSupport (\r | |
602 | IN EFI_DEVICE_PATH *DevicePath,\r | |
603 | IN EFI_HANDLE Handle,\r | |
604 | IN EFI_DEVICE_PATH *RemainingDevicePath\r | |
605 | )\r | |
606 | {\r | |
607 | return IS_DEVICE_PATH_NODE (RemainingDevicePath, MEDIA_DEVICE_PATH, MEDIA_PIWG_FW_FILE_DP);\r | |
608 | }\r | |
609 | \r | |
610 | EFI_STATUS\r | |
611 | BdsFirmwareVolumeLoadImage (\r | |
612 | IN OUT EFI_DEVICE_PATH **DevicePath,\r | |
613 | IN EFI_HANDLE Handle,\r | |
614 | IN EFI_DEVICE_PATH *RemainingDevicePath,\r | |
615 | IN EFI_ALLOCATE_TYPE Type,\r | |
616 | IN OUT EFI_PHYSICAL_ADDRESS* Image,\r | |
617 | OUT UINTN *ImageSize\r | |
618 | )\r | |
619 | {\r | |
620 | EFI_STATUS Status;\r | |
621 | EFI_FIRMWARE_VOLUME2_PROTOCOL *FwVol;\r | |
622 | EFI_GUID *FvNameGuid;\r | |
623 | EFI_SECTION_TYPE SectionType;\r | |
624 | EFI_FV_FILETYPE FvType;\r | |
625 | EFI_FV_FILE_ATTRIBUTES Attrib;\r | |
626 | UINT32 AuthenticationStatus;\r | |
627 | VOID* ImageBuffer;\r | |
628 | \r | |
629 | ASSERT (IS_DEVICE_PATH_NODE (RemainingDevicePath, MEDIA_DEVICE_PATH, MEDIA_PIWG_FW_FILE_DP));\r | |
630 | \r | |
631 | Status = gBS->HandleProtocol (Handle, &gEfiFirmwareVolume2ProtocolGuid, (VOID **)&FwVol);\r | |
632 | if (EFI_ERROR (Status)) {\r | |
633 | return Status;\r | |
634 | }\r | |
635 | \r | |
636 | FvNameGuid = EfiGetNameGuidFromFwVolDevicePathNode ((CONST MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *)RemainingDevicePath);\r | |
637 | if (FvNameGuid == NULL) {\r | |
638 | Status = EFI_INVALID_PARAMETER;\r | |
639 | }\r | |
640 | \r | |
641 | SectionType = EFI_SECTION_PE32;\r | |
642 | AuthenticationStatus = 0;\r | |
643 | //Note: ReadSection at the opposite of ReadFile does not allow to pass ImageBuffer == NULL to get the size of the file.\r | |
644 | ImageBuffer = NULL;\r | |
645 | Status = FwVol->ReadSection (\r | |
646 | FwVol,\r | |
647 | FvNameGuid,\r | |
648 | SectionType,\r | |
649 | 0,\r | |
650 | &ImageBuffer,\r | |
651 | ImageSize,\r | |
652 | &AuthenticationStatus\r | |
653 | );\r | |
654 | if (!EFI_ERROR (Status)) {\r | |
655 | #if 0\r | |
656 | // In case the buffer has some address requirements, we must copy the buffer to a buffer following the requirements\r | |
657 | if (Type != AllocateAnyPages) {\r | |
658 | Status = gBS->AllocatePages (Type, EfiBootServicesCode, EFI_SIZE_TO_PAGES(*ImageSize),Image);\r | |
659 | if (!EFI_ERROR (Status)) {\r | |
660 | CopyMem ((VOID*)(UINTN)(*Image), ImageBuffer, *ImageSize);\r | |
661 | FreePool (ImageBuffer);\r | |
662 | }\r | |
663 | }\r | |
664 | #else\r | |
665 | // We must copy the buffer into a page allocations. Otherwise, the caller could call gBS->FreePages() on the pool allocation\r | |
666 | Status = gBS->AllocatePages (Type, EfiBootServicesCode, EFI_SIZE_TO_PAGES(*ImageSize), Image);\r | |
667 | // Try to allocate in any pages if failed to allocate memory at the defined location\r | |
668 | if ((Status == EFI_OUT_OF_RESOURCES) && (Type != AllocateAnyPages)) {\r | |
669 | Status = gBS->AllocatePages (AllocateAnyPages, EfiBootServicesCode, EFI_SIZE_TO_PAGES(*ImageSize), Image);\r | |
670 | }\r | |
671 | if (!EFI_ERROR (Status)) {\r | |
672 | CopyMem ((VOID*)(UINTN)(*Image), ImageBuffer, *ImageSize);\r | |
673 | FreePool (ImageBuffer);\r | |
674 | }\r | |
675 | #endif\r | |
676 | } else {\r | |
677 | // Try a raw file, since a PE32 SECTION does not exist\r | |
678 | Status = FwVol->ReadFile (\r | |
679 | FwVol,\r | |
680 | FvNameGuid,\r | |
681 | NULL,\r | |
682 | ImageSize,\r | |
683 | &FvType,\r | |
684 | &Attrib,\r | |
685 | &AuthenticationStatus\r | |
686 | );\r | |
687 | if (!EFI_ERROR (Status)) {\r | |
688 | Status = gBS->AllocatePages (Type, EfiBootServicesCode, EFI_SIZE_TO_PAGES(*ImageSize), Image);\r | |
689 | // Try to allocate in any pages if failed to allocate memory at the defined location\r | |
690 | if ((Status == EFI_OUT_OF_RESOURCES) && (Type != AllocateAnyPages)) {\r | |
691 | Status = gBS->AllocatePages (AllocateAnyPages, EfiBootServicesCode, EFI_SIZE_TO_PAGES(*ImageSize), Image);\r | |
692 | }\r | |
693 | if (!EFI_ERROR (Status)) {\r | |
694 | Status = FwVol->ReadFile (\r | |
695 | FwVol,\r | |
696 | FvNameGuid,\r | |
697 | (VOID**)Image,\r | |
698 | ImageSize,\r | |
699 | &FvType,\r | |
700 | &Attrib,\r | |
701 | &AuthenticationStatus\r | |
702 | );\r | |
703 | }\r | |
704 | }\r | |
705 | }\r | |
706 | return Status;\r | |
707 | }\r | |
708 | \r | |
709 | BOOLEAN\r | |
710 | BdsPxeSupport (\r | |
711 | IN EFI_DEVICE_PATH* DevicePath,\r | |
712 | IN EFI_HANDLE Handle,\r | |
713 | IN EFI_DEVICE_PATH* RemainingDevicePath\r | |
714 | )\r | |
715 | {\r | |
716 | EFI_STATUS Status;\r | |
717 | EFI_PXE_BASE_CODE_PROTOCOL* PxeBcProtocol;\r | |
718 | \r | |
719 | if (!IsDevicePathEnd (RemainingDevicePath)) {\r | |
720 | return FALSE;\r | |
721 | }\r | |
722 | \r | |
723 | Status = gBS->HandleProtocol (Handle, &gEfiPxeBaseCodeProtocolGuid, (VOID **)&PxeBcProtocol);\r | |
724 | if (EFI_ERROR (Status)) {\r | |
725 | return FALSE;\r | |
726 | } else {\r | |
727 | return TRUE;\r | |
728 | }\r | |
729 | }\r | |
730 | \r | |
731 | EFI_STATUS\r | |
732 | BdsPxeLoadImage (\r | |
733 | IN OUT EFI_DEVICE_PATH **DevicePath,\r | |
734 | IN EFI_HANDLE Handle,\r | |
735 | IN EFI_DEVICE_PATH *RemainingDevicePath,\r | |
736 | IN EFI_ALLOCATE_TYPE Type,\r | |
737 | IN OUT EFI_PHYSICAL_ADDRESS* Image,\r | |
738 | OUT UINTN *ImageSize\r | |
739 | )\r | |
740 | {\r | |
741 | EFI_STATUS Status;\r | |
742 | EFI_LOAD_FILE_PROTOCOL *LoadFileProtocol;\r | |
743 | UINTN BufferSize;\r | |
744 | EFI_PXE_BASE_CODE_PROTOCOL *Pxe;\r | |
745 | \r | |
746 | // Get Load File Protocol attached to the PXE protocol\r | |
747 | Status = gBS->HandleProtocol (Handle, &gEfiLoadFileProtocolGuid, (VOID **)&LoadFileProtocol);\r | |
748 | if (EFI_ERROR (Status)) {\r | |
749 | return Status;\r | |
750 | }\r | |
751 | \r | |
752 | Status = LoadFileProtocol->LoadFile (LoadFileProtocol, RemainingDevicePath, TRUE, &BufferSize, NULL);\r | |
753 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
754 | Status = gBS->AllocatePages (Type, EfiBootServicesCode, EFI_SIZE_TO_PAGES(BufferSize), Image);\r | |
755 | if (EFI_ERROR (Status)) {\r | |
756 | return Status;\r | |
757 | }\r | |
758 | \r | |
759 | Status = LoadFileProtocol->LoadFile (LoadFileProtocol, RemainingDevicePath, TRUE, &BufferSize, (VOID*)(UINTN)(*Image));\r | |
760 | if (!EFI_ERROR (Status) && (ImageSize != NULL)) {\r | |
761 | *ImageSize = BufferSize;\r | |
762 | }\r | |
763 | }\r | |
764 | \r | |
765 | if (Status == EFI_ALREADY_STARTED) {\r | |
766 | Status = gBS->LocateProtocol (&gEfiPxeBaseCodeProtocolGuid, NULL, (VOID **)&Pxe);\r | |
767 | if (!EFI_ERROR(Status)) {\r | |
768 | // If PXE is already started, we stop it\r | |
769 | Pxe->Stop (Pxe);\r | |
770 | // And we try again\r | |
771 | return BdsPxeLoadImage (DevicePath, Handle, RemainingDevicePath, Type, Image, ImageSize);\r | |
772 | }\r | |
773 | }\r | |
774 | return Status;\r | |
775 | }\r | |
776 | \r | |
777 | BOOLEAN\r | |
778 | BdsTftpSupport (\r | |
779 | IN EFI_DEVICE_PATH *DevicePath,\r | |
780 | IN EFI_HANDLE Handle,\r | |
781 | IN EFI_DEVICE_PATH *RemainingDevicePath\r | |
782 | )\r | |
783 | {\r | |
784 | EFI_STATUS Status;\r | |
785 | EFI_DEVICE_PATH *NextDevicePath;\r | |
786 | VOID *Interface;\r | |
787 | \r | |
788 | // Validate the Remaining Device Path\r | |
789 | if (IsDevicePathEnd (RemainingDevicePath)) {\r | |
790 | return FALSE;\r | |
791 | }\r | |
792 | if (!IS_DEVICE_PATH_NODE (RemainingDevicePath, MESSAGING_DEVICE_PATH, MSG_IPv4_DP) &&\r | |
793 | !IS_DEVICE_PATH_NODE (RemainingDevicePath, MESSAGING_DEVICE_PATH, MSG_IPv6_DP)) {\r | |
794 | return FALSE;\r | |
795 | }\r | |
796 | NextDevicePath = NextDevicePathNode (RemainingDevicePath);\r | |
797 | if (IsDevicePathEnd (NextDevicePath)) {\r | |
798 | return FALSE;\r | |
799 | }\r | |
800 | if (!IS_DEVICE_PATH_NODE (NextDevicePath, MEDIA_DEVICE_PATH, MEDIA_FILEPATH_DP)) {\r | |
801 | return FALSE;\r | |
802 | }\r | |
803 | \r | |
804 | Status = gBS->HandleProtocol (\r | |
805 | Handle, &gEfiDevicePathProtocolGuid,\r | |
806 | &Interface\r | |
807 | );\r | |
808 | if (EFI_ERROR (Status)) {\r | |
809 | return FALSE;\r | |
810 | }\r | |
811 | \r | |
812 | //\r | |
813 | // Check that the controller (identified by its handle "Handle") supports the\r | |
814 | // MTFTPv4 Service Binding Protocol. If it does, it means that it supports the\r | |
815 | // EFI MTFTPv4 Protocol needed to download the image through TFTP.\r | |
816 | //\r | |
817 | Status = gBS->HandleProtocol (\r | |
818 | Handle, &gEfiMtftp4ServiceBindingProtocolGuid,\r | |
819 | &Interface\r | |
820 | );\r | |
821 | if (EFI_ERROR (Status)) {\r | |
822 | return FALSE;\r | |
823 | }\r | |
824 | \r | |
825 | return TRUE;\r | |
826 | }\r | |
827 | \r | |
828 | /**\r | |
829 | Worker function that get the size in numbers of bytes of a file from a TFTP\r | |
830 | server before to download the file.\r | |
831 | \r | |
832 | @param[in] Mtftp4 MTFTP4 protocol interface\r | |
833 | @param[in] FilePath Path of the file, Ascii encoded\r | |
834 | @param[out] FileSize Address where to store the file size in number of\r | |
835 | bytes.\r | |
836 | \r | |
837 | @retval EFI_SUCCESS The size of the file was returned.\r | |
838 | @retval !EFI_SUCCESS The size of the file was not returned.\r | |
839 | \r | |
840 | **/\r | |
841 | STATIC\r | |
842 | EFI_STATUS\r | |
843 | Mtftp4GetFileSize (\r | |
844 | IN EFI_MTFTP4_PROTOCOL *Mtftp4,\r | |
845 | IN CHAR8 *FilePath,\r | |
846 | OUT UINT64 *FileSize\r | |
847 | )\r | |
848 | {\r | |
849 | EFI_STATUS Status;\r | |
850 | EFI_MTFTP4_OPTION ReqOpt[1];\r | |
851 | EFI_MTFTP4_PACKET *Packet;\r | |
852 | UINT32 PktLen;\r | |
853 | EFI_MTFTP4_OPTION *TableOfOptions;\r | |
854 | EFI_MTFTP4_OPTION *Option;\r | |
855 | UINT32 OptCnt;\r | |
856 | UINT8 OptBuf[128];\r | |
857 | \r | |
858 | ReqOpt[0].OptionStr = (UINT8*)"tsize";\r | |
859 | OptBuf[0] = '0';\r | |
860 | OptBuf[1] = 0;\r | |
861 | ReqOpt[0].ValueStr = OptBuf;\r | |
862 | \r | |
863 | Status = Mtftp4->GetInfo (\r | |
864 | Mtftp4,\r | |
865 | NULL,\r | |
866 | (UINT8*)FilePath,\r | |
867 | NULL,\r | |
868 | 1,\r | |
869 | ReqOpt,\r | |
870 | &PktLen,\r | |
871 | &Packet\r | |
872 | );\r | |
873 | \r | |
874 | if (EFI_ERROR (Status)) {\r | |
875 | goto Error;\r | |
876 | }\r | |
877 | \r | |
878 | Status = Mtftp4->ParseOptions (\r | |
879 | Mtftp4,\r | |
880 | PktLen,\r | |
881 | Packet,\r | |
882 | (UINT32 *) &OptCnt,\r | |
883 | &TableOfOptions\r | |
884 | );\r | |
885 | if (EFI_ERROR (Status)) {\r | |
886 | goto Error;\r | |
887 | }\r | |
888 | \r | |
889 | Option = TableOfOptions;\r | |
890 | while (OptCnt != 0) {\r | |
891 | if (AsciiStrnCmp ((CHAR8 *)Option->OptionStr, "tsize", 5) == 0) {\r | |
892 | *FileSize = AsciiStrDecimalToUint64 ((CHAR8 *)Option->ValueStr);\r | |
893 | break;\r | |
894 | }\r | |
895 | OptCnt--;\r | |
896 | Option++;\r | |
897 | }\r | |
898 | FreePool (TableOfOptions);\r | |
899 | \r | |
900 | if (OptCnt == 0) {\r | |
901 | Status = EFI_UNSUPPORTED;\r | |
902 | }\r | |
903 | \r | |
904 | Error :\r | |
905 | \r | |
906 | return Status;\r | |
907 | }\r | |
908 | \r | |
909 | /**\r | |
910 | Update the progress of a file download\r | |
911 | This procedure is called each time a new TFTP packet is received.\r | |
912 | \r | |
913 | @param[in] This MTFTP4 protocol interface\r | |
914 | @param[in] Token Parameters for the download of the file\r | |
915 | @param[in] PacketLen Length of the packet\r | |
916 | @param[in] Packet Address of the packet\r | |
917 | \r | |
918 | @retval EFI_SUCCESS All packets are accepted.\r | |
919 | \r | |
920 | **/\r | |
921 | STATIC\r | |
922 | EFI_STATUS\r | |
923 | Mtftp4CheckPacket (\r | |
924 | IN EFI_MTFTP4_PROTOCOL *This,\r | |
925 | IN EFI_MTFTP4_TOKEN *Token,\r | |
926 | IN UINT16 PacketLen,\r | |
927 | IN EFI_MTFTP4_PACKET *Packet\r | |
928 | )\r | |
929 | {\r | |
930 | BDS_TFTP_CONTEXT *Context;\r | |
931 | CHAR16 Progress[TFTP_PROGRESS_MESSAGE_SIZE];\r | |
932 | UINT64 NbOfKb;\r | |
933 | UINTN Index;\r | |
934 | UINTN LastStep;\r | |
935 | UINTN Step;\r | |
936 | UINT64 LastNbOf50Kb;\r | |
937 | UINT64 NbOf50Kb;\r | |
938 | \r | |
939 | if ((NTOHS (Packet->OpCode)) == EFI_MTFTP4_OPCODE_DATA) {\r | |
940 | Context = (BDS_TFTP_CONTEXT*)Token->Context;\r | |
941 | \r | |
942 | if (Context->DownloadedNbOfBytes == 0) {\r | |
943 | if (Context->FileSize > 0) {\r | |
944 | Print (L"%s 0 Kb", mTftpProgressFrame);\r | |
945 | } else {\r | |
946 | Print (L" 0 Kb");\r | |
947 | }\r | |
948 | }\r | |
949 | \r | |
950 | //\r | |
951 | // The data is the packet are prepended with two UINT16 :\r | |
952 | // . OpCode = EFI_MTFTP4_OPCODE_DATA\r | |
953 | // . Block = the number of this block of data\r | |
954 | //\r | |
955 | Context->DownloadedNbOfBytes += PacketLen - sizeof (Packet->OpCode) - sizeof (Packet->Data.Block);\r | |
956 | NbOfKb = Context->DownloadedNbOfBytes / 1024;\r | |
957 | \r | |
958 | Progress[0] = L'\0';\r | |
959 | if (Context->FileSize > 0) {\r | |
960 | LastStep = (Context->LastReportedNbOfBytes * TFTP_PROGRESS_SLIDER_STEPS) / Context->FileSize;\r | |
961 | Step = (Context->DownloadedNbOfBytes * TFTP_PROGRESS_SLIDER_STEPS) / Context->FileSize;\r | |
962 | if (Step > LastStep) {\r | |
963 | Print (mTftpProgressDelete);\r | |
964 | CopyMem (Progress, mTftpProgressFrame, sizeof mTftpProgressFrame);\r | |
965 | for (Index = 1; Index < Step; Index++) {\r | |
966 | Progress[Index] = L'=';\r | |
967 | }\r | |
968 | Progress[Step] = L'>';\r | |
969 | \r | |
970 | UnicodeSPrint (\r | |
971 | Progress + (sizeof (mTftpProgressFrame) / sizeof (CHAR16)) - 1,\r | |
972 | sizeof (Progress) - sizeof (mTftpProgressFrame),\r | |
973 | L" %7d Kb",\r | |
974 | NbOfKb\r | |
975 | );\r | |
976 | Context->LastReportedNbOfBytes = Context->DownloadedNbOfBytes;\r | |
977 | }\r | |
978 | } else {\r | |
979 | //\r | |
980 | // Case when we do not know the size of the final file.\r | |
981 | // We print the updated size every 50KB of downloaded data\r | |
982 | //\r | |
983 | LastNbOf50Kb = Context->LastReportedNbOfBytes / (50*1024);\r | |
984 | NbOf50Kb = Context->DownloadedNbOfBytes / (50*1024);\r | |
985 | if (NbOf50Kb > LastNbOf50Kb) {\r | |
986 | Print (L"\b\b\b\b\b\b\b\b\b\b");\r | |
987 | UnicodeSPrint (Progress, sizeof (Progress), L"%7d Kb", NbOfKb);\r | |
988 | Context->LastReportedNbOfBytes = Context->DownloadedNbOfBytes;\r | |
989 | }\r | |
990 | }\r | |
991 | if (Progress[0] != L'\0') {\r | |
992 | Print (L"%s", Progress);\r | |
993 | }\r | |
994 | }\r | |
995 | \r | |
996 | return EFI_SUCCESS;\r | |
997 | }\r | |
998 | \r | |
999 | /**\r | |
1000 | Download an image from a TFTP server\r | |
1001 | \r | |
1002 | @param[in] DevicePath Device path of the TFTP boot option\r | |
1003 | @param[in] ControllerHandle Handle of the network controller\r | |
1004 | @param[in] RemainingDevicePath Device path of the TFTP boot option but\r | |
1005 | the first node that identifies the network controller\r | |
1006 | @param[in] Type Type to allocate memory pages\r | |
1007 | @param[out] Image Address of the bufer where the image is stored in\r | |
1008 | case of success\r | |
1009 | @param[out] ImageSize Size in number of bytes of the i;age in case of\r | |
1010 | success\r | |
1011 | \r | |
1012 | @retval EFI_SUCCESS The image was returned.\r | |
1013 | @retval !EFI_SUCCESS Something went wrong.\r | |
1014 | \r | |
1015 | **/\r | |
1016 | EFI_STATUS\r | |
1017 | BdsTftpLoadImage (\r | |
1018 | IN OUT EFI_DEVICE_PATH **DevicePath,\r | |
1019 | IN EFI_HANDLE ControllerHandle,\r | |
1020 | IN EFI_DEVICE_PATH *RemainingDevicePath,\r | |
1021 | IN EFI_ALLOCATE_TYPE Type,\r | |
1022 | IN OUT EFI_PHYSICAL_ADDRESS *Image,\r | |
1023 | OUT UINTN *ImageSize\r | |
1024 | )\r | |
1025 | {\r | |
1026 | EFI_STATUS Status;\r | |
1027 | EFI_HANDLE Dhcp4ChildHandle;\r | |
1028 | EFI_DHCP4_PROTOCOL *Dhcp4;\r | |
1029 | BOOLEAN Dhcp4ToStop;\r | |
1030 | EFI_HANDLE Mtftp4ChildHandle;\r | |
1031 | EFI_MTFTP4_PROTOCOL *Mtftp4;\r | |
1032 | DHCP4_OPTION ParaList;\r | |
1033 | EFI_DHCP4_PACKET_OPTION *OptionList[2];\r | |
1034 | EFI_DHCP4_CONFIG_DATA Dhcp4CfgData;\r | |
1035 | EFI_DHCP4_MODE_DATA Dhcp4Mode;\r | |
1036 | EFI_MTFTP4_CONFIG_DATA Mtftp4CfgData;\r | |
1037 | IPv4_DEVICE_PATH *IPv4DevicePathNode;\r | |
1038 | CHAR16 *PathName;\r | |
1039 | CHAR8 *AsciiFilePath;\r | |
1040 | EFI_MTFTP4_TOKEN Mtftp4Token;\r | |
1041 | UINT64 FileSize;\r | |
1042 | UINT64 TftpBufferSize;\r | |
1043 | BDS_TFTP_CONTEXT *TftpContext;\r | |
1044 | UINTN PathNameLen;\r | |
1045 | \r | |
1046 | ASSERT(IS_DEVICE_PATH_NODE (RemainingDevicePath, MESSAGING_DEVICE_PATH, MSG_IPv4_DP));\r | |
1047 | IPv4DevicePathNode = (IPv4_DEVICE_PATH*)RemainingDevicePath;\r | |
1048 | \r | |
1049 | Dhcp4ChildHandle = NULL;\r | |
1050 | Dhcp4 = NULL;\r | |
1051 | Dhcp4ToStop = FALSE;\r | |
1052 | Mtftp4ChildHandle = NULL;\r | |
1053 | Mtftp4 = NULL;\r | |
1054 | AsciiFilePath = NULL;\r | |
1055 | TftpContext = NULL;\r | |
1056 | \r | |
1057 | if (!IPv4DevicePathNode->StaticIpAddress) {\r | |
1058 | //\r | |
1059 | // Using the DHCP4 Service Binding Protocol, create a child handle of the DHCP4 service and\r | |
1060 | // install the DHCP4 protocol on it. Then, open the DHCP protocol.\r | |
1061 | //\r | |
1062 | Status = NetLibCreateServiceChild (\r | |
1063 | ControllerHandle,\r | |
1064 | gImageHandle,\r | |
1065 | &gEfiDhcp4ServiceBindingProtocolGuid,\r | |
1066 | &Dhcp4ChildHandle\r | |
1067 | );\r | |
1068 | if (!EFI_ERROR (Status)) {\r | |
1069 | Status = gBS->OpenProtocol (\r | |
1070 | Dhcp4ChildHandle,\r | |
1071 | &gEfiDhcp4ProtocolGuid,\r | |
1072 | (VOID **) &Dhcp4,\r | |
1073 | gImageHandle,\r | |
1074 | ControllerHandle,\r | |
1075 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
1076 | );\r | |
1077 | }\r | |
1078 | if (EFI_ERROR (Status)) {\r | |
1079 | Print (L"Unable to open DHCP4 protocol\n");\r | |
1080 | goto Error;\r | |
1081 | }\r | |
1082 | }\r | |
1083 | \r | |
1084 | //\r | |
1085 | // Using the MTFTP4 Service Binding Protocol, create a child handle of the MTFTP4 service and\r | |
1086 | // install the MTFTP4 protocol on it. Then, open the MTFTP4 protocol.\r | |
1087 | //\r | |
1088 | Status = NetLibCreateServiceChild (\r | |
1089 | ControllerHandle,\r | |
1090 | gImageHandle,\r | |
1091 | &gEfiMtftp4ServiceBindingProtocolGuid,\r | |
1092 | &Mtftp4ChildHandle\r | |
1093 | );\r | |
1094 | if (!EFI_ERROR (Status)) {\r | |
1095 | Status = gBS->OpenProtocol (\r | |
1096 | Mtftp4ChildHandle,\r | |
1097 | &gEfiMtftp4ProtocolGuid,\r | |
1098 | (VOID **) &Mtftp4,\r | |
1099 | gImageHandle,\r | |
1100 | ControllerHandle,\r | |
1101 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
1102 | );\r | |
1103 | }\r | |
1104 | if (EFI_ERROR (Status)) {\r | |
1105 | Print (L"Unable to open MTFTP4 protocol\n");\r | |
1106 | goto Error;\r | |
1107 | }\r | |
1108 | \r | |
1109 | if (!IPv4DevicePathNode->StaticIpAddress) {\r | |
1110 | //\r | |
1111 | // Configure the DHCP4, all default settings. It is acceptable for the configuration to\r | |
1112 | // fail if the return code is equal to EFI_ACCESS_DENIED which means that the configuration\r | |
1113 | // has been done by another instance of the DHCP4 protocol or that the DHCP configuration\r | |
1114 | // process has been started but is not completed yet.\r | |
1115 | //\r | |
1116 | ZeroMem (&Dhcp4CfgData, sizeof (EFI_DHCP4_CONFIG_DATA));\r | |
1117 | ParaList.Head.OpCode = DHCP_TAG_PARA_LIST;\r | |
1118 | ParaList.Head.Length = 2;\r | |
1119 | ParaList.Head.Data[0] = DHCP_TAG_NETMASK;\r | |
1120 | ParaList.Route = DHCP_TAG_ROUTER;\r | |
1121 | OptionList[0] = &ParaList.Head;\r | |
1122 | Dhcp4CfgData.OptionCount = 1;\r | |
1123 | Dhcp4CfgData.OptionList = OptionList;\r | |
1124 | \r | |
1125 | Status = Dhcp4->Configure (Dhcp4, &Dhcp4CfgData);\r | |
1126 | if (EFI_ERROR (Status)) {\r | |
1127 | if (Status != EFI_ACCESS_DENIED) {\r | |
1128 | Print (L"Error while configuring the DHCP4 protocol\n");\r | |
1129 | goto Error;\r | |
1130 | }\r | |
1131 | }\r | |
1132 | \r | |
1133 | //\r | |
1134 | // Start the DHCP configuration. This may have already been done thus do not leave in error\r | |
1135 | // if the return code is EFI_ALREADY_STARTED.\r | |
1136 | //\r | |
1137 | Status = Dhcp4->Start (Dhcp4, NULL);\r | |
1138 | if (EFI_ERROR (Status)) {\r | |
1139 | if (Status != EFI_ALREADY_STARTED) {\r | |
1140 | Print (L"DHCP configuration failed\n");\r | |
1141 | goto Error;\r | |
1142 | }\r | |
1143 | } else {\r | |
1144 | Dhcp4ToStop = TRUE;\r | |
1145 | }\r | |
1146 | \r | |
1147 | Status = Dhcp4->GetModeData (Dhcp4, &Dhcp4Mode);\r | |
1148 | if (EFI_ERROR (Status)) {\r | |
1149 | goto Error;\r | |
1150 | }\r | |
1151 | \r | |
1152 | if (Dhcp4Mode.State != Dhcp4Bound) {\r | |
1153 | Status = EFI_TIMEOUT;\r | |
1154 | Print (L"DHCP configuration failed\n");\r | |
1155 | goto Error;\r | |
1156 | }\r | |
1157 | }\r | |
1158 | \r | |
1159 | //\r | |
1160 | // Configure the TFTP4 protocol\r | |
1161 | //\r | |
1162 | \r | |
1163 | ZeroMem (&Mtftp4CfgData, sizeof (EFI_MTFTP4_CONFIG_DATA));\r | |
1164 | Mtftp4CfgData.UseDefaultSetting = FALSE;\r | |
1165 | Mtftp4CfgData.TimeoutValue = 4;\r | |
1166 | Mtftp4CfgData.TryCount = 6;\r | |
1167 | \r | |
1168 | if (IPv4DevicePathNode->StaticIpAddress) {\r | |
1169 | CopyMem (&Mtftp4CfgData.StationIp , &IPv4DevicePathNode->LocalIpAddress, sizeof (EFI_IPv4_ADDRESS));\r | |
1170 | CopyMem (&Mtftp4CfgData.SubnetMask, &IPv4DevicePathNode->SubnetMask, sizeof (EFI_IPv4_ADDRESS));\r | |
1171 | CopyMem (&Mtftp4CfgData.GatewayIp , &IPv4DevicePathNode->GatewayIpAddress, sizeof (EFI_IPv4_ADDRESS));\r | |
1172 | } else {\r | |
1173 | CopyMem (&Mtftp4CfgData.StationIp , &Dhcp4Mode.ClientAddress, sizeof (EFI_IPv4_ADDRESS));\r | |
1174 | CopyMem (&Mtftp4CfgData.SubnetMask, &Dhcp4Mode.SubnetMask , sizeof (EFI_IPv4_ADDRESS));\r | |
1175 | CopyMem (&Mtftp4CfgData.GatewayIp , &Dhcp4Mode.RouterAddress, sizeof (EFI_IPv4_ADDRESS));\r | |
1176 | }\r | |
1177 | \r | |
1178 | CopyMem (&Mtftp4CfgData.ServerIp , &IPv4DevicePathNode->RemoteIpAddress, sizeof (EFI_IPv4_ADDRESS));\r | |
1179 | \r | |
1180 | Status = Mtftp4->Configure (Mtftp4, &Mtftp4CfgData);\r | |
1181 | if (EFI_ERROR (Status)) {\r | |
1182 | Print (L"Error while configuring the MTFTP4 protocol\n");\r | |
1183 | goto Error;\r | |
1184 | }\r | |
1185 | \r | |
1186 | // The Device Path might contain multiple FilePath nodes\r | |
1187 | PathName = ConvertDevicePathToText ((EFI_DEVICE_PATH_PROTOCOL*)(IPv4DevicePathNode + 1), FALSE, FALSE);\r | |
1188 | PathNameLen = StrLen (PathName) + 1;\r | |
1189 | AsciiFilePath = AllocatePool (PathNameLen);\r | |
1190 | UnicodeStrToAsciiStrS (PathName, AsciiFilePath, PathNameLen);\r | |
1191 | \r | |
1192 | //\r | |
1193 | // Try to get the size of the file in bytes from the server. If it fails,\r | |
1194 | // start with a 8MB buffer to download the file.\r | |
1195 | //\r | |
1196 | FileSize = 0;\r | |
1197 | if (Mtftp4GetFileSize (Mtftp4, AsciiFilePath, &FileSize) == EFI_SUCCESS) {\r | |
1198 | TftpBufferSize = FileSize;\r | |
1199 | } else {\r | |
1200 | TftpBufferSize = SIZE_16MB;\r | |
1201 | }\r | |
1202 | \r | |
1203 | TftpContext = AllocatePool (sizeof (BDS_TFTP_CONTEXT));\r | |
1204 | if (TftpContext == NULL) {\r | |
1205 | Status = EFI_OUT_OF_RESOURCES;\r | |
1206 | goto Error;\r | |
1207 | }\r | |
1208 | TftpContext->FileSize = FileSize;\r | |
1209 | \r | |
1210 | for (; TftpBufferSize <= FixedPcdGet32 (PcdMaxTftpFileSize);\r | |
1211 | TftpBufferSize = (TftpBufferSize + SIZE_16MB) & (~(SIZE_16MB-1))) {\r | |
1212 | //\r | |
1213 | // Allocate a buffer to hold the whole file.\r | |
1214 | //\r | |
1215 | Status = gBS->AllocatePages (\r | |
1216 | Type,\r | |
1217 | EfiBootServicesCode,\r | |
1218 | EFI_SIZE_TO_PAGES (TftpBufferSize),\r | |
1219 | Image\r | |
1220 | );\r | |
1221 | if (EFI_ERROR (Status)) {\r | |
1222 | Print (L"Failed to allocate space for image\n");\r | |
1223 | goto Error;\r | |
1224 | }\r | |
1225 | \r | |
1226 | TftpContext->DownloadedNbOfBytes = 0;\r | |
1227 | TftpContext->LastReportedNbOfBytes = 0;\r | |
1228 | \r | |
1229 | ZeroMem (&Mtftp4Token, sizeof (EFI_MTFTP4_TOKEN));\r | |
1230 | Mtftp4Token.Filename = (UINT8*)AsciiFilePath;\r | |
1231 | Mtftp4Token.BufferSize = TftpBufferSize;\r | |
1232 | Mtftp4Token.Buffer = (VOID *)(UINTN)*Image;\r | |
1233 | Mtftp4Token.CheckPacket = Mtftp4CheckPacket;\r | |
1234 | Mtftp4Token.Context = (VOID*)TftpContext;\r | |
1235 | \r | |
1236 | Print (L"Downloading the file <%a> from the TFTP server\n", AsciiFilePath);\r | |
1237 | Status = Mtftp4->ReadFile (Mtftp4, &Mtftp4Token);\r | |
1238 | Print (L"\n");\r | |
1239 | if (EFI_ERROR (Status)) {\r | |
1240 | gBS->FreePages (*Image, EFI_SIZE_TO_PAGES (TftpBufferSize));\r | |
1241 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
1242 | Print (L"Downloading failed, file larger than expected.\n");\r | |
1243 | continue;\r | |
1244 | } else {\r | |
1245 | goto Error;\r | |
1246 | }\r | |
1247 | }\r | |
1248 | \r | |
1249 | *ImageSize = Mtftp4Token.BufferSize;\r | |
1250 | break;\r | |
1251 | }\r | |
1252 | \r | |
1253 | Error:\r | |
1254 | if (Dhcp4ChildHandle != NULL) {\r | |
1255 | if (Dhcp4 != NULL) {\r | |
1256 | if (Dhcp4ToStop) {\r | |
1257 | Dhcp4->Stop (Dhcp4);\r | |
1258 | }\r | |
1259 | gBS->CloseProtocol (\r | |
1260 | Dhcp4ChildHandle,\r | |
1261 | &gEfiDhcp4ProtocolGuid,\r | |
1262 | gImageHandle,\r | |
1263 | ControllerHandle\r | |
1264 | );\r | |
1265 | }\r | |
1266 | NetLibDestroyServiceChild (\r | |
1267 | ControllerHandle,\r | |
1268 | gImageHandle,\r | |
1269 | &gEfiDhcp4ServiceBindingProtocolGuid,\r | |
1270 | Dhcp4ChildHandle\r | |
1271 | );\r | |
1272 | }\r | |
1273 | \r | |
1274 | if (Mtftp4ChildHandle != NULL) {\r | |
1275 | if (Mtftp4 != NULL) {\r | |
1276 | if (AsciiFilePath != NULL) {\r | |
1277 | FreePool (AsciiFilePath);\r | |
1278 | }\r | |
1279 | if (TftpContext != NULL) {\r | |
1280 | FreePool (TftpContext);\r | |
1281 | }\r | |
1282 | gBS->CloseProtocol (\r | |
1283 | Mtftp4ChildHandle,\r | |
1284 | &gEfiMtftp4ProtocolGuid,\r | |
1285 | gImageHandle,\r | |
1286 | ControllerHandle\r | |
1287 | );\r | |
1288 | }\r | |
1289 | NetLibDestroyServiceChild (\r | |
1290 | ControllerHandle,\r | |
1291 | gImageHandle,\r | |
1292 | &gEfiMtftp4ServiceBindingProtocolGuid,\r | |
1293 | Mtftp4ChildHandle\r | |
1294 | );\r | |
1295 | }\r | |
1296 | \r | |
1297 | if (EFI_ERROR (Status)) {\r | |
1298 | *Image = 0;\r | |
1299 | Print (L"Failed to download the file - Error=%r\n", Status);\r | |
1300 | }\r | |
1301 | \r | |
1302 | return Status;\r | |
1303 | }\r | |
1304 | \r | |
1305 | BDS_FILE_LOADER FileLoaders[] = {\r | |
1306 | { BdsFileSystemSupport, BdsFileSystemLoadImage },\r | |
1307 | { BdsFirmwareVolumeSupport, BdsFirmwareVolumeLoadImage },\r | |
1308 | //{ BdsLoadFileSupport, BdsLoadFileLoadImage },\r | |
1309 | { BdsMemoryMapSupport, BdsMemoryMapLoadImage },\r | |
1310 | { BdsPxeSupport, BdsPxeLoadImage },\r | |
1311 | { BdsTftpSupport, BdsTftpLoadImage },\r | |
1312 | { NULL, NULL }\r | |
1313 | };\r | |
1314 | \r | |
1315 | EFI_STATUS\r | |
1316 | BdsLoadImageAndUpdateDevicePath (\r | |
1317 | IN OUT EFI_DEVICE_PATH **DevicePath,\r | |
1318 | IN EFI_ALLOCATE_TYPE Type,\r | |
1319 | IN OUT EFI_PHYSICAL_ADDRESS* Image,\r | |
1320 | OUT UINTN *FileSize\r | |
1321 | )\r | |
1322 | {\r | |
1323 | EFI_STATUS Status;\r | |
1324 | EFI_HANDLE Handle;\r | |
1325 | EFI_DEVICE_PATH *RemainingDevicePath;\r | |
1326 | BDS_FILE_LOADER* FileLoader;\r | |
1327 | \r | |
1328 | Status = BdsConnectAndUpdateDevicePath (DevicePath, &Handle, &RemainingDevicePath);\r | |
1329 | if (EFI_ERROR (Status)) {\r | |
1330 | return Status;\r | |
1331 | }\r | |
1332 | \r | |
1333 | FileLoader = FileLoaders;\r | |
1334 | while (FileLoader->Support != NULL) {\r | |
1335 | if (FileLoader->Support (*DevicePath, Handle, RemainingDevicePath)) {\r | |
1336 | return FileLoader->LoadImage (DevicePath, Handle, RemainingDevicePath, Type, Image, FileSize);\r | |
1337 | }\r | |
1338 | FileLoader++;\r | |
1339 | }\r | |
1340 | \r | |
1341 | return EFI_UNSUPPORTED;\r | |
1342 | }\r | |
1343 | \r | |
1344 | EFI_STATUS\r | |
1345 | BdsLoadImage (\r | |
1346 | IN EFI_DEVICE_PATH *DevicePath,\r | |
1347 | IN EFI_ALLOCATE_TYPE Type,\r | |
1348 | IN OUT EFI_PHYSICAL_ADDRESS* Image,\r | |
1349 | OUT UINTN *FileSize\r | |
1350 | )\r | |
1351 | {\r | |
1352 | return BdsLoadImageAndUpdateDevicePath (&DevicePath, Type, Image, FileSize);\r | |
1353 | }\r | |
1354 | \r | |
1355 | /**\r | |
1356 | Start an EFI Application from a Device Path\r | |
1357 | \r | |
1358 | @param ParentImageHandle Handle of the calling image\r | |
1359 | @param DevicePath Location of the EFI Application\r | |
1360 | \r | |
1361 | @retval EFI_SUCCESS All drivers have been connected\r | |
1362 | @retval EFI_NOT_FOUND The Linux kernel Device Path has not been found\r | |
1363 | @retval EFI_OUT_OF_RESOURCES There is not enough resource memory to store the matching results.\r | |
1364 | \r | |
1365 | **/\r | |
1366 | EFI_STATUS\r | |
1367 | BdsStartEfiApplication (\r | |
1368 | IN EFI_HANDLE ParentImageHandle,\r | |
1369 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r | |
1370 | IN UINTN LoadOptionsSize,\r | |
1371 | IN VOID* LoadOptions\r | |
1372 | )\r | |
1373 | {\r | |
1374 | EFI_STATUS Status;\r | |
1375 | EFI_HANDLE ImageHandle;\r | |
1376 | EFI_PHYSICAL_ADDRESS BinaryBuffer;\r | |
1377 | UINTN BinarySize;\r | |
1378 | EFI_LOADED_IMAGE_PROTOCOL* LoadedImage;\r | |
1379 | \r | |
1380 | // Find the nearest supported file loader\r | |
1381 | Status = BdsLoadImageAndUpdateDevicePath (&DevicePath, AllocateAnyPages, &BinaryBuffer, &BinarySize);\r | |
1382 | if (EFI_ERROR (Status)) {\r | |
1383 | return Status;\r | |
1384 | }\r | |
1385 | \r | |
1386 | // Load the image from the Buffer with Boot Services function\r | |
1387 | Status = gBS->LoadImage (TRUE, ParentImageHandle, DevicePath, (VOID*)(UINTN)BinaryBuffer, BinarySize, &ImageHandle);\r | |
1388 | if (EFI_ERROR (Status)) {\r | |
1389 | return Status;\r | |
1390 | }\r | |
1391 | \r | |
1392 | // Passed LoadOptions to the EFI Application\r | |
1393 | if (LoadOptionsSize != 0) {\r | |
1394 | Status = gBS->HandleProtocol (ImageHandle, &gEfiLoadedImageProtocolGuid, (VOID **) &LoadedImage);\r | |
1395 | if (EFI_ERROR (Status)) {\r | |
1396 | return Status;\r | |
1397 | }\r | |
1398 | \r | |
1399 | LoadedImage->LoadOptionsSize = LoadOptionsSize;\r | |
1400 | LoadedImage->LoadOptions = LoadOptions;\r | |
1401 | }\r | |
1402 | \r | |
1403 | // Before calling the image, enable the Watchdog Timer for the 5 Minute period\r | |
1404 | gBS->SetWatchdogTimer (5 * 60, 0x0000, 0x00, NULL);\r | |
1405 | // Start the image\r | |
1406 | Status = gBS->StartImage (ImageHandle, NULL, NULL);\r | |
1407 | // Clear the Watchdog Timer after the image returns\r | |
1408 | gBS->SetWatchdogTimer (0x0000, 0x0000, 0x0000, NULL);\r | |
1409 | \r | |
1410 | return Status;\r | |
1411 | }\r |