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a405b86d | 1 | /** @file\r |
2 | Member functions of EFI_SHELL_PROTOCOL and functions for creation,\r | |
3 | manipulation, and initialization of EFI_SHELL_PROTOCOL.\r | |
4 | \r | |
c011b6c9 | 5 | (C) Copyright 2014 Hewlett-Packard Development Company, L.P.<BR>\r |
9168df3d | 6 | Copyright (c) 2009 - 2016, Intel Corporation. All rights reserved.<BR>\r |
a405b86d | 7 | This program and the accompanying materials\r |
8 | are licensed and made available under the terms and conditions of the BSD License\r | |
9 | which accompanies this distribution. The full text of the license may be found at\r | |
10 | http://opensource.org/licenses/bsd-license.php\r | |
11 | \r | |
12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
14 | \r | |
15 | **/\r | |
16 | \r | |
17 | #ifndef _SHELL_PROTOCOL_HEADER_\r | |
18 | #define _SHELL_PROTOCOL_HEADER_\r | |
19 | \r | |
0406a571 | 20 | #include "Shell.h"\r |
a405b86d | 21 | \r |
22 | typedef struct {\r | |
23 | LIST_ENTRY Link;\r | |
24 | EFI_SHELL_PROTOCOL *Interface;\r | |
25 | EFI_HANDLE Handle;\r | |
26 | } SHELL_PROTOCOL_HANDLE_LIST;\r | |
27 | \r | |
28 | // flags values...\r | |
29 | #define SHELL_MAP_FLAGS_CONSIST BIT1\r | |
30 | \r | |
31 | /**\r | |
32 | Function to create and install on the current handle.\r | |
33 | \r | |
34 | Will overwrite any existing ShellProtocols in the system to be sure that\r | |
35 | the current shell is in control.\r | |
36 | \r | |
37 | This must be removed via calling CleanUpShellProtocol().\r | |
38 | \r | |
4ff7e37b | 39 | @param[in, out] NewShell The pointer to the pointer to the structure \r |
a405b86d | 40 | to install.\r |
41 | \r | |
42 | @retval EFI_SUCCESS The operation was successful.\r | |
43 | @return An error from LocateHandle, CreateEvent, or other core function.\r | |
44 | **/\r | |
45 | EFI_STATUS\r | |
a405b86d | 46 | CreatePopulateInstallShellProtocol (\r |
838b31a6 | 47 | IN OUT EFI_SHELL_PROTOCOL **NewShell\r |
a405b86d | 48 | );\r |
49 | \r | |
50 | /**\r | |
9168df3d | 51 | Opposite of CreatePopulateInstallShellProtocol.\r |
a405b86d | 52 | \r |
53 | Free all memory and restore the system to the state it was in before calling\r | |
54 | CreatePopulateInstallShellProtocol.\r | |
55 | \r | |
4ff7e37b | 56 | @param[in, out] NewShell The pointer to the new shell protocol structure.\r |
a405b86d | 57 | \r |
58 | @retval EFI_SUCCESS The operation was successful.\r | |
59 | **/\r | |
60 | EFI_STATUS\r | |
a405b86d | 61 | CleanUpShellProtocol (\r |
838b31a6 | 62 | IN OUT EFI_SHELL_PROTOCOL *NewShell\r |
a405b86d | 63 | );\r |
64 | \r | |
9168df3d RN |
65 | /**\r |
66 | Cleanup the shell environment.\r | |
67 | \r | |
68 | @param[in, out] NewShell The pointer to the new shell protocol structure.\r | |
69 | \r | |
70 | @retval EFI_SUCCESS The operation was successful.\r | |
71 | **/\r | |
72 | EFI_STATUS\r | |
73 | CleanUpShellEnvironment (\r | |
74 | IN OUT EFI_SHELL_PROTOCOL *NewShell\r | |
75 | );\r | |
76 | \r | |
a405b86d | 77 | /**\r |
78 | This function creates a mapping for a device path.\r | |
79 | \r | |
80 | @param DevicePath Points to the device path. If this is NULL and Mapping points to a valid mapping,\r | |
81 | then the mapping will be deleted.\r | |
82 | @param Mapping Points to the NULL-terminated mapping for the device path. Must end with a ':'\r | |
83 | \r | |
84 | @retval EFI_SUCCESS Mapping created or deleted successfully.\r | |
85 | @retval EFI_NO_MAPPING There is no handle that corresponds exactly to DevicePath. See the\r | |
86 | boot service function LocateDevicePath().\r | |
87 | @retval EFI_ACCESS_DENIED The mapping is a built-in alias.\r | |
88 | @retval EFI_INVALID_PARAMETER Mapping was NULL\r | |
89 | @retval EFI_INVALID_PARAMETER Mapping did not end with a ':'\r | |
90 | @retval EFI_INVALID_PARAMETER DevicePath was not pointing at a device that had a SIMPLE_FILE_SYSTEM_PROTOCOL installed.\r | |
91 | @retval EFI_NOT_FOUND There was no mapping found to delete\r | |
92 | @retval EFI_OUT_OF_RESOURCES Memory allocation failed\r | |
93 | **/\r | |
94 | EFI_STATUS\r | |
95 | EFIAPI\r | |
96 | EfiShellSetMap(\r | |
97 | IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath OPTIONAL,\r | |
98 | IN CONST CHAR16 *Mapping\r | |
99 | );\r | |
100 | \r | |
101 | /**\r | |
102 | Gets the device path from the mapping.\r | |
103 | \r | |
104 | This function gets the device path associated with a mapping.\r | |
105 | \r | |
106 | @param Mapping A pointer to the mapping\r | |
107 | \r | |
108 | @retval !=NULL Pointer to the device path that corresponds to the\r | |
109 | device mapping. The returned pointer does not need\r | |
110 | to be freed.\r | |
111 | @retval NULL There is no device path associated with the\r | |
112 | specified mapping.\r | |
113 | **/\r | |
114 | CONST EFI_DEVICE_PATH_PROTOCOL *\r | |
115 | EFIAPI\r | |
116 | EfiShellGetDevicePathFromMap(\r | |
117 | IN CONST CHAR16 *Mapping\r | |
118 | );\r | |
119 | \r | |
120 | /**\r | |
121 | Gets the mapping that most closely matches the device path.\r | |
122 | \r | |
123 | This function gets the mapping which corresponds to the device path *DevicePath. If\r | |
124 | there is no exact match, then the mapping which most closely matches *DevicePath\r | |
125 | is returned, and *DevicePath is updated to point to the remaining portion of the\r | |
126 | device path. If there is an exact match, the mapping is returned and *DevicePath\r | |
127 | points to the end-of-device-path node.\r | |
128 | \r | |
129 | @param DevicePath On entry, points to a device path pointer. On\r | |
130 | exit, updates the pointer to point to the\r | |
131 | portion of the device path after the mapping.\r | |
132 | \r | |
133 | @retval NULL No mapping was found.\r | |
134 | @return !=NULL Pointer to NULL-terminated mapping. The buffer\r | |
135 | is callee allocated and should be freed by the caller.\r | |
136 | **/\r | |
137 | CONST CHAR16 *\r | |
138 | EFIAPI\r | |
139 | EfiShellGetMapFromDevicePath(\r | |
140 | IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath\r | |
141 | );\r | |
142 | \r | |
143 | /**\r | |
144 | Converts a device path to a file system-style path.\r | |
145 | \r | |
146 | This function converts a device path to a file system path by replacing part, or all, of\r | |
147 | the device path with the file-system mapping. If there are more than one application\r | |
148 | file system mappings, the one that most closely matches Path will be used.\r | |
149 | \r | |
150 | @param Path The pointer to the device path\r | |
151 | \r | |
152 | @retval NULL the device path could not be found.\r | |
153 | @return all The pointer of the NULL-terminated file path. The path\r | |
154 | is callee-allocated and should be freed by the caller.\r | |
155 | **/\r | |
156 | CHAR16 *\r | |
157 | EFIAPI\r | |
158 | EfiShellGetFilePathFromDevicePath(\r | |
159 | IN CONST EFI_DEVICE_PATH_PROTOCOL *Path\r | |
160 | );\r | |
161 | \r | |
162 | /**\r | |
163 | Converts a file system style name to a device path.\r | |
164 | \r | |
165 | This function converts a file system style name to a device path, by replacing any\r | |
166 | mapping references to the associated device path.\r | |
167 | \r | |
168 | @param Path the pointer to the path\r | |
169 | \r | |
170 | @return all The pointer of the file path. The file path is callee\r | |
171 | allocated and should be freed by the caller.\r | |
172 | **/\r | |
173 | EFI_DEVICE_PATH_PROTOCOL *\r | |
174 | EFIAPI\r | |
175 | EfiShellGetDevicePathFromFilePath(\r | |
176 | IN CONST CHAR16 *Path\r | |
177 | );\r | |
178 | \r | |
179 | /**\r | |
180 | Gets the name of the device specified by the device handle.\r | |
181 | \r | |
182 | This function gets the user-readable name of the device specified by the device\r | |
183 | handle. If no user-readable name could be generated, then *BestDeviceName will be\r | |
184 | NULL and EFI_NOT_FOUND will be returned.\r | |
185 | \r | |
186 | If EFI_DEVICE_NAME_USE_COMPONENT_NAME is set, then the function will return the\r | |
187 | device's name using the EFI_COMPONENT_NAME2_PROTOCOL, if present on\r | |
188 | DeviceHandle.\r | |
189 | \r | |
190 | If EFI_DEVICE_NAME_USE_DEVICE_PATH is set, then the function will return the\r | |
191 | device's name using the EFI_DEVICE_PATH_PROTOCOL, if present on DeviceHandle.\r | |
192 | If both EFI_DEVICE_NAME_USE_COMPONENT_NAME and\r | |
193 | EFI_DEVICE_NAME_USE_DEVICE_PATH are set, then\r | |
194 | EFI_DEVICE_NAME_USE_COMPONENT_NAME will have higher priority.\r | |
195 | \r | |
196 | @param DeviceHandle The handle of the device.\r | |
197 | @param Flags Determines the possible sources of component names.\r | |
198 | Valid bits are:\r | |
199 | EFI_DEVICE_NAME_USE_COMPONENT_NAME\r | |
200 | EFI_DEVICE_NAME_USE_DEVICE_PATH\r | |
201 | @param Language A pointer to the language specified for the device\r | |
202 | name, in the same format as described in the UEFI\r | |
203 | specification, Appendix M\r | |
204 | @param BestDeviceName On return, points to the callee-allocated NULL-\r | |
205 | terminated name of the device. If no device name\r | |
206 | could be found, points to NULL. The name must be\r | |
207 | freed by the caller...\r | |
208 | \r | |
209 | @retval EFI_SUCCESS Get the name successfully.\r | |
210 | @retval EFI_NOT_FOUND Fail to get the device name.\r | |
211 | @retval EFI_INVALID_PARAMETER Flags did not have a valid bit set.\r | |
212 | @retval EFI_INVALID_PARAMETER BestDeviceName was NULL\r | |
213 | @retval EFI_INVALID_PARAMETER DeviceHandle was NULL\r | |
214 | **/\r | |
215 | EFI_STATUS\r | |
216 | EFIAPI\r | |
217 | EfiShellGetDeviceName(\r | |
218 | IN EFI_HANDLE DeviceHandle,\r | |
219 | IN EFI_SHELL_DEVICE_NAME_FLAGS Flags,\r | |
220 | IN CHAR8 *Language,\r | |
221 | OUT CHAR16 **BestDeviceName\r | |
222 | );\r | |
223 | \r | |
224 | /**\r | |
225 | Opens the root directory of a device on a handle\r | |
226 | \r | |
227 | This function opens the root directory of a device and returns a file handle to it.\r | |
228 | \r | |
229 | @param DeviceHandle The handle of the device that contains the volume.\r | |
230 | @param FileHandle On exit, points to the file handle corresponding to the root directory on the\r | |
231 | device.\r | |
232 | \r | |
233 | @retval EFI_SUCCESS Root opened successfully.\r | |
234 | @retval EFI_NOT_FOUND EFI_SIMPLE_FILE_SYSTEM could not be found or the root directory\r | |
235 | could not be opened.\r | |
236 | @retval EFI_VOLUME_CORRUPTED The data structures in the volume were corrupted.\r | |
237 | @retval EFI_DEVICE_ERROR The device had an error\r | |
238 | **/\r | |
239 | EFI_STATUS\r | |
240 | EFIAPI\r | |
241 | EfiShellOpenRootByHandle(\r | |
242 | IN EFI_HANDLE DeviceHandle,\r | |
243 | OUT SHELL_FILE_HANDLE *FileHandle\r | |
244 | );\r | |
245 | \r | |
246 | /**\r | |
247 | Opens the root directory of a device.\r | |
248 | \r | |
249 | This function opens the root directory of a device and returns a file handle to it.\r | |
250 | \r | |
251 | @param DevicePath Points to the device path corresponding to the device where the\r | |
252 | EFI_SIMPLE_FILE_SYSTEM_PROTOCOL is installed.\r | |
253 | @param FileHandle On exit, points to the file handle corresponding to the root directory on the\r | |
254 | device.\r | |
255 | \r | |
256 | @retval EFI_SUCCESS Root opened successfully.\r | |
257 | @retval EFI_NOT_FOUND EFI_SIMPLE_FILE_SYSTEM could not be found or the root directory\r | |
258 | could not be opened.\r | |
259 | @retval EFI_VOLUME_CORRUPTED The data structures in the volume were corrupted.\r | |
260 | @retval EFI_DEVICE_ERROR The device had an error\r | |
261 | **/\r | |
262 | EFI_STATUS\r | |
263 | EFIAPI\r | |
264 | EfiShellOpenRoot(\r | |
265 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r | |
266 | OUT SHELL_FILE_HANDLE *FileHandle\r | |
267 | );\r | |
268 | \r | |
269 | /**\r | |
270 | Returns whether any script files are currently being processed.\r | |
271 | \r | |
272 | @retval TRUE There is at least one script file active.\r | |
273 | @retval FALSE No script files are active now.\r | |
274 | \r | |
275 | **/\r | |
276 | BOOLEAN\r | |
277 | EFIAPI\r | |
278 | EfiShellBatchIsActive (\r | |
279 | VOID\r | |
280 | );\r | |
281 | \r | |
282 | /**\r | |
283 | Worker function to open a file based on a device path. this will open the root\r | |
284 | of the volume and then traverse down to the file itself.\r | |
285 | \r | |
286 | @param DevicePath2 Device Path of the file\r | |
287 | @param FileHandle Pointer to the file upon a successful return\r | |
288 | @param OpenMode mode to open file in.\r | |
289 | @param Attributes the File Attributes to use when creating a new file\r | |
290 | \r | |
291 | @retval EFI_SUCCESS the file is open and FileHandle is valid\r | |
292 | @retval EFI_UNSUPPORTED the device path cotained non-path elements\r | |
293 | @retval other an error ocurred.\r | |
294 | **/\r | |
295 | EFI_STATUS\r | |
a405b86d | 296 | InternalOpenFileDevicePath(\r |
297 | IN OUT EFI_DEVICE_PATH_PROTOCOL *DevicePath2,\r | |
298 | OUT SHELL_FILE_HANDLE *FileHandle,\r | |
299 | IN UINT64 OpenMode,\r | |
300 | IN UINT64 Attributes OPTIONAL\r | |
301 | );\r | |
302 | \r | |
303 | /**\r | |
304 | Creates a file or directory by name.\r | |
305 | \r | |
306 | This function creates an empty new file or directory with the specified attributes and\r | |
307 | returns the new file's handle. If the file already exists and is read-only, then\r | |
308 | EFI_INVALID_PARAMETER will be returned.\r | |
309 | \r | |
310 | If the file already existed, it is truncated and its attributes updated. If the file is\r | |
311 | created successfully, the FileHandle is the file's handle, else, the FileHandle is NULL.\r | |
312 | \r | |
313 | If the file name begins with >v, then the file handle which is returned refers to the\r | |
314 | shell environment variable with the specified name. If the shell environment variable\r | |
315 | already exists and is non-volatile then EFI_INVALID_PARAMETER is returned.\r | |
316 | \r | |
317 | @param FileName Pointer to NULL-terminated file path\r | |
318 | @param FileAttribs The new file's attrbiutes. the different attributes are\r | |
319 | described in EFI_FILE_PROTOCOL.Open().\r | |
320 | @param FileHandle On return, points to the created file handle or directory's handle\r | |
321 | \r | |
322 | @retval EFI_SUCCESS The file was opened. FileHandle points to the new file's handle.\r | |
323 | @retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.\r | |
324 | @retval EFI_UNSUPPORTED could not open the file path\r | |
325 | @retval EFI_NOT_FOUND the specified file could not be found on the devide, or could not\r | |
326 | file the file system on the device.\r | |
327 | @retval EFI_NO_MEDIA the device has no medium.\r | |
328 | @retval EFI_MEDIA_CHANGED The device has a different medium in it or the medium is no\r | |
329 | longer supported.\r | |
330 | @retval EFI_DEVICE_ERROR The device reported an error or can't get the file path according\r | |
331 | the DirName.\r | |
332 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r | |
333 | @retval EFI_WRITE_PROTECTED An attempt was made to create a file, or open a file for write\r | |
334 | when the media is write-protected.\r | |
335 | @retval EFI_ACCESS_DENIED The service denied access to the file.\r | |
336 | @retval EFI_OUT_OF_RESOURCES Not enough resources were available to open the file.\r | |
337 | @retval EFI_VOLUME_FULL The volume is full.\r | |
338 | **/\r | |
339 | EFI_STATUS\r | |
340 | EFIAPI\r | |
341 | EfiShellCreateFile(\r | |
342 | IN CONST CHAR16 *FileName,\r | |
343 | IN UINT64 FileAttribs,\r | |
344 | OUT SHELL_FILE_HANDLE *FileHandle\r | |
345 | );\r | |
346 | \r | |
347 | /**\r | |
348 | Opens a file or a directory by file name.\r | |
349 | \r | |
350 | This function opens the specified file in the specified OpenMode and returns a file\r | |
351 | handle.\r | |
352 | If the file name begins with >v, then the file handle which is returned refers to the\r | |
353 | shell environment variable with the specified name. If the shell environment variable\r | |
354 | exists, is non-volatile and the OpenMode indicates EFI_FILE_MODE_WRITE, then\r | |
355 | EFI_INVALID_PARAMETER is returned.\r | |
356 | \r | |
357 | If the file name is >i, then the file handle which is returned refers to the standard\r | |
358 | input. If the OpenMode indicates EFI_FILE_MODE_WRITE, then EFI_INVALID_PARAMETER\r | |
359 | is returned.\r | |
360 | \r | |
361 | If the file name is >o, then the file handle which is returned refers to the standard\r | |
362 | output. If the OpenMode indicates EFI_FILE_MODE_READ, then EFI_INVALID_PARAMETER\r | |
363 | is returned.\r | |
364 | \r | |
365 | If the file name is >e, then the file handle which is returned refers to the standard\r | |
366 | error. If the OpenMode indicates EFI_FILE_MODE_READ, then EFI_INVALID_PARAMETER\r | |
367 | is returned.\r | |
368 | \r | |
369 | If the file name is NUL, then the file handle that is returned refers to the standard NUL\r | |
370 | file. If the OpenMode indicates EFI_FILE_MODE_READ, then EFI_INVALID_PARAMETER is\r | |
371 | returned.\r | |
372 | \r | |
373 | If return EFI_SUCCESS, the FileHandle is the opened file's handle, else, the\r | |
374 | FileHandle is NULL.\r | |
375 | \r | |
376 | @param FileName Points to the NULL-terminated UCS-2 encoded file name.\r | |
377 | @param FileHandle On return, points to the file handle.\r | |
378 | @param OpenMode File open mode. Either EFI_FILE_MODE_READ or\r | |
379 | EFI_FILE_MODE_WRITE from section 12.4 of the UEFI\r | |
380 | Specification.\r | |
381 | @retval EFI_SUCCESS The file was opened. FileHandle has the opened file's handle.\r | |
382 | @retval EFI_INVALID_PARAMETER One of the parameters has an invalid value. FileHandle is NULL.\r | |
383 | @retval EFI_UNSUPPORTED Could not open the file path. FileHandle is NULL.\r | |
384 | @retval EFI_NOT_FOUND The specified file could not be found on the device or the file\r | |
385 | system could not be found on the device. FileHandle is NULL.\r | |
386 | @retval EFI_NO_MEDIA The device has no medium. FileHandle is NULL.\r | |
387 | @retval EFI_MEDIA_CHANGED The device has a different medium in it or the medium is no\r | |
388 | longer supported. FileHandle is NULL.\r | |
389 | @retval EFI_DEVICE_ERROR The device reported an error or can't get the file path according\r | |
390 | the FileName. FileHandle is NULL.\r | |
391 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted. FileHandle is NULL.\r | |
392 | @retval EFI_WRITE_PROTECTED An attempt was made to create a file, or open a file for write\r | |
393 | when the media is write-protected. FileHandle is NULL.\r | |
394 | @retval EFI_ACCESS_DENIED The service denied access to the file. FileHandle is NULL.\r | |
395 | @retval EFI_OUT_OF_RESOURCES Not enough resources were available to open the file. FileHandle\r | |
396 | is NULL.\r | |
397 | @retval EFI_VOLUME_FULL The volume is full. FileHandle is NULL.\r | |
398 | **/\r | |
399 | EFI_STATUS\r | |
400 | EFIAPI\r | |
401 | EfiShellOpenFileByName(\r | |
402 | IN CONST CHAR16 *FileName,\r | |
403 | OUT SHELL_FILE_HANDLE *FileHandle,\r | |
404 | IN UINT64 OpenMode\r | |
405 | );\r | |
406 | \r | |
407 | /**\r | |
408 | Deletes the file specified by the file name.\r | |
409 | \r | |
410 | This function deletes a file.\r | |
411 | \r | |
412 | @param FileName Points to the NULL-terminated file name.\r | |
413 | \r | |
414 | @retval EFI_SUCCESS The file was closed and deleted, and the handle was closed.\r | |
415 | @retval EFI_WARN_DELETE_FAILURE The handle was closed but the file was not deleted.\r | |
416 | @sa EfiShellCreateFile\r | |
417 | @sa FileHandleDelete\r | |
418 | **/\r | |
419 | EFI_STATUS\r | |
420 | EFIAPI\r | |
421 | EfiShellDeleteFileByName(\r | |
422 | IN CONST CHAR16 *FileName\r | |
423 | );\r | |
424 | \r | |
425 | /**\r | |
426 | Disables the page break output mode.\r | |
427 | **/\r | |
428 | VOID\r | |
429 | EFIAPI\r | |
430 | EfiShellDisablePageBreak (\r | |
431 | VOID\r | |
432 | );\r | |
433 | \r | |
434 | /**\r | |
435 | Enables the page break output mode.\r | |
436 | **/\r | |
437 | VOID\r | |
438 | EFIAPI\r | |
439 | EfiShellEnablePageBreak (\r | |
440 | VOID\r | |
441 | );\r | |
442 | \r | |
443 | /**\r | |
444 | internal worker function to run a command via Device Path\r | |
445 | \r | |
b5ce69c3 QS |
446 | @param ParentImageHandle A handle of the image that is executing the specified\r |
447 | command line.\r | |
448 | @param DevicePath device path of the file to execute\r | |
449 | @param CommandLine Points to the NULL-terminated UCS-2 encoded string\r | |
450 | containing the command line. If NULL then the command-\r | |
451 | line will be empty.\r | |
452 | @param Environment Points to a NULL-terminated array of environment\r | |
453 | variables with the format 'x=y', where x is the\r | |
454 | environment variable name and y is the value. If this\r | |
455 | is NULL, then the current shell environment is used.\r | |
456 | @param[out] StartImageStatus Returned status from gBS->StartImage.\r | |
5223c121 | 457 | \r |
a405b86d | 458 | @retval EFI_SUCCESS The command executed successfully. The status code\r |
459 | returned by the command is pointed to by StatusCode.\r | |
460 | @retval EFI_INVALID_PARAMETER The parameters are invalid.\r | |
461 | @retval EFI_OUT_OF_RESOURCES Out of resources.\r | |
462 | @retval EFI_UNSUPPORTED Nested shell invocations are not allowed.\r | |
463 | **/\r | |
464 | EFI_STATUS\r | |
a405b86d | 465 | InternalShellExecuteDevicePath(\r |
cd39fe08 | 466 | IN CONST EFI_HANDLE *ParentImageHandle,\r |
a405b86d | 467 | IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r |
cd39fe08 OM |
468 | IN CONST CHAR16 *CommandLine OPTIONAL,\r |
469 | IN CONST CHAR16 **Environment OPTIONAL,\r | |
a308e058 | 470 | OUT EFI_STATUS *StartImageStatus OPTIONAL\r |
a405b86d | 471 | );\r |
472 | \r | |
473 | /**\r | |
474 | Execute the command line.\r | |
475 | \r | |
476 | This function creates a nested instance of the shell and executes the specified\r | |
477 | command (CommandLine) with the specified environment (Environment). Upon return,\r | |
478 | the status code returned by the specified command is placed in StatusCode.\r | |
479 | \r | |
480 | If Environment is NULL, then the current environment is used and all changes made\r | |
481 | by the commands executed will be reflected in the current environment. If the\r | |
482 | Environment is non-NULL, then the changes made will be discarded.\r | |
483 | \r | |
484 | The CommandLine is executed from the current working directory on the current\r | |
485 | device.\r | |
486 | \r | |
487 | @param ParentImageHandle A handle of the image that is executing the specified\r | |
488 | command line.\r | |
489 | @param CommandLine Points to the NULL-terminated UCS-2 encoded string\r | |
490 | containing the command line. If NULL then the command-\r | |
491 | line will be empty.\r | |
492 | @param Environment Points to a NULL-terminated array of environment\r | |
493 | variables with the format 'x=y', where x is the\r | |
494 | environment variable name and y is the value. If this\r | |
495 | is NULL, then the current shell environment is used.\r | |
496 | @param StatusCode Points to the status code returned by the command.\r | |
497 | \r | |
498 | @retval EFI_SUCCESS The command executed successfully. The status code\r | |
499 | returned by the command is pointed to by StatusCode.\r | |
500 | @retval EFI_INVALID_PARAMETER The parameters are invalid.\r | |
501 | @retval EFI_OUT_OF_RESOURCES Out of resources.\r | |
502 | @retval EFI_UNSUPPORTED Nested shell invocations are not allowed.\r | |
503 | **/\r | |
504 | EFI_STATUS\r | |
505 | EFIAPI\r | |
506 | EfiShellExecute(\r | |
507 | IN EFI_HANDLE *ParentImageHandle,\r | |
508 | IN CHAR16 *CommandLine OPTIONAL,\r | |
509 | IN CHAR16 **Environment OPTIONAL,\r | |
510 | OUT EFI_STATUS *StatusCode OPTIONAL\r | |
511 | );\r | |
512 | \r | |
513 | /**\r | |
514 | Utility cleanup function for EFI_SHELL_FILE_INFO objects.\r | |
515 | \r | |
516 | 1) frees all pointers (non-NULL)\r | |
517 | 2) Closes the SHELL_FILE_HANDLE\r | |
518 | \r | |
519 | @param FileListNode pointer to the list node to free\r | |
520 | **/\r | |
521 | VOID\r | |
a405b86d | 522 | FreeShellFileInfoNode(\r |
523 | IN EFI_SHELL_FILE_INFO *FileListNode\r | |
524 | );\r | |
525 | \r | |
526 | /**\r | |
527 | Frees the file list.\r | |
528 | \r | |
529 | This function cleans up the file list and any related data structures. It has no\r | |
530 | impact on the files themselves.\r | |
531 | \r | |
532 | @param FileList The file list to free. Type EFI_SHELL_FILE_INFO is\r | |
533 | defined in OpenFileList()\r | |
534 | \r | |
535 | @retval EFI_SUCCESS Free the file list successfully.\r | |
536 | @retval EFI_INVALID_PARAMETER FileList was NULL or *FileList was NULL;\r | |
537 | **/\r | |
538 | EFI_STATUS\r | |
539 | EFIAPI\r | |
540 | EfiShellFreeFileList(\r | |
541 | IN EFI_SHELL_FILE_INFO **FileList\r | |
542 | );\r | |
543 | \r | |
544 | /**\r | |
545 | Deletes the duplicate file names files in the given file list.\r | |
546 | \r | |
547 | This function deletes the reduplicate files in the given file list.\r | |
548 | \r | |
549 | @param FileList A pointer to the first entry in the file list.\r | |
550 | \r | |
551 | @retval EFI_SUCCESS Always success.\r | |
552 | @retval EFI_INVALID_PARAMETER FileList was NULL or *FileList was NULL;\r | |
553 | **/\r | |
554 | EFI_STATUS\r | |
555 | EFIAPI\r | |
556 | EfiShellRemoveDupInFileList(\r | |
557 | IN EFI_SHELL_FILE_INFO **FileList\r | |
558 | );\r | |
559 | \r | |
560 | /**\r | |
561 | Allocates and populates a EFI_SHELL_FILE_INFO structure. if any memory operation\r | |
562 | failed it will return NULL.\r | |
563 | \r | |
564 | @param[in] BasePath the Path to prepend onto filename for FullPath\r | |
565 | @param[in] Status Status member initial value.\r | |
a405b86d | 566 | @param[in] FileName FileName member initial value.\r |
567 | @param[in] Handle Handle member initial value.\r | |
568 | @param[in] Info Info struct to copy.\r | |
569 | \r | |
570 | **/\r | |
571 | EFI_SHELL_FILE_INFO *\r | |
a405b86d | 572 | CreateAndPopulateShellFileInfo(\r |
573 | IN CONST CHAR16 *BasePath,\r | |
574 | IN CONST EFI_STATUS Status,\r | |
a405b86d | 575 | IN CONST CHAR16 *FileName,\r |
576 | IN CONST SHELL_FILE_HANDLE Handle,\r | |
577 | IN CONST EFI_FILE_INFO *Info\r | |
578 | );\r | |
579 | \r | |
580 | /**\r | |
581 | Find all files in a specified directory.\r | |
582 | \r | |
583 | @param FileDirHandle Handle of the directory to search.\r | |
584 | @param FileList On return, points to the list of files in the directory\r | |
585 | or NULL if there are no files in the directory.\r | |
586 | \r | |
587 | @retval EFI_SUCCESS File information was returned successfully.\r | |
588 | @retval EFI_VOLUME_CORRUPTED The file system structures have been corrupted.\r | |
589 | @retval EFI_DEVICE_ERROR The device reported an error.\r | |
590 | @retval EFI_NO_MEDIA The device media is not present.\r | |
591 | @retval EFI_INVALID_PARAMETER The FileDirHandle was not a directory.\r | |
592 | **/\r | |
593 | EFI_STATUS\r | |
594 | EFIAPI\r | |
595 | EfiShellFindFilesInDir(\r | |
596 | IN SHELL_FILE_HANDLE FileDirHandle,\r | |
597 | OUT EFI_SHELL_FILE_INFO **FileList\r | |
598 | );\r | |
599 | \r | |
600 | /**\r | |
601 | Find files that match a specified pattern.\r | |
602 | \r | |
603 | This function searches for all files and directories that match the specified\r | |
604 | FilePattern. The FilePattern can contain wild-card characters. The resulting file\r | |
605 | information is placed in the file list FileList.\r | |
606 | \r | |
607 | Wildcards are processed\r | |
608 | according to the rules specified in UEFI Shell 2.0 spec section 3.7.1.\r | |
609 | \r | |
610 | The files in the file list are not opened. The OpenMode field is set to 0 and the FileInfo\r | |
611 | field is set to NULL.\r | |
612 | \r | |
613 | if *FileList is not NULL then it must be a pre-existing and properly initialized list.\r | |
614 | \r | |
615 | @param FilePattern Points to a NULL-terminated shell file path, including wildcards.\r | |
616 | @param FileList On return, points to the start of a file list containing the names\r | |
617 | of all matching files or else points to NULL if no matching files\r | |
618 | were found. only on a EFI_SUCCESS return will; this be non-NULL.\r | |
619 | \r | |
620 | @retval EFI_SUCCESS Files found. FileList is a valid list.\r | |
621 | @retval EFI_NOT_FOUND No files found.\r | |
622 | @retval EFI_NO_MEDIA The device has no media\r | |
623 | @retval EFI_DEVICE_ERROR The device reported an error\r | |
624 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted\r | |
625 | **/\r | |
626 | EFI_STATUS\r | |
627 | EFIAPI\r | |
628 | EfiShellFindFiles(\r | |
629 | IN CONST CHAR16 *FilePattern,\r | |
630 | OUT EFI_SHELL_FILE_INFO **FileList\r | |
631 | );\r | |
632 | \r | |
633 | /**\r | |
634 | Opens the files that match the path specified.\r | |
635 | \r | |
636 | This function opens all of the files specified by Path. Wildcards are processed\r | |
637 | according to the rules specified in UEFI Shell 2.0 spec section 3.7.1. Each\r | |
638 | matching file has an EFI_SHELL_FILE_INFO structure created in a linked list.\r | |
639 | \r | |
640 | @param Path A pointer to the path string.\r | |
641 | @param OpenMode Specifies the mode used to open each file, EFI_FILE_MODE_READ or\r | |
642 | EFI_FILE_MODE_WRITE.\r | |
643 | @param FileList Points to the start of a list of files opened.\r | |
644 | \r | |
645 | @retval EFI_SUCCESS Create the file list successfully.\r | |
646 | @return Others Can't create the file list.\r | |
647 | **/\r | |
648 | EFI_STATUS\r | |
649 | EFIAPI\r | |
650 | EfiShellOpenFileList(\r | |
651 | IN CHAR16 *Path,\r | |
652 | IN UINT64 OpenMode,\r | |
653 | IN OUT EFI_SHELL_FILE_INFO **FileList\r | |
654 | );\r | |
655 | \r | |
656 | /**\r | |
657 | Gets the environment variable.\r | |
658 | \r | |
659 | This function returns the current value of the specified environment variable.\r | |
660 | \r | |
661 | @param Name A pointer to the environment variable name\r | |
662 | \r | |
09fd5328 | 663 | @retval !=NULL The environment variable's value. The returned\r |
a405b86d | 664 | pointer does not need to be freed by the caller.\r |
665 | @retval NULL The environment variable doesn't exist.\r | |
666 | **/\r | |
667 | CONST CHAR16 *\r | |
668 | EFIAPI\r | |
669 | EfiShellGetEnv(\r | |
670 | IN CONST CHAR16 *Name\r | |
671 | );\r | |
672 | \r | |
673 | /**\r | |
674 | Sets the environment variable.\r | |
675 | \r | |
676 | This function changes the current value of the specified environment variable. If the\r | |
677 | environment variable exists and the Value is an empty string, then the environment\r | |
678 | variable is deleted. If the environment variable exists and the Value is not an empty\r | |
679 | string, then the value of the environment variable is changed. If the environment\r | |
680 | variable does not exist and the Value is an empty string, there is no action. If the\r | |
681 | environment variable does not exist and the Value is a non-empty string, then the\r | |
682 | environment variable is created and assigned the specified value.\r | |
683 | \r | |
684 | For a description of volatile and non-volatile environment variables, see UEFI Shell\r | |
685 | 2.0 specification section 3.6.1.\r | |
686 | \r | |
687 | @param Name Points to the NULL-terminated environment variable name.\r | |
688 | @param Value Points to the NULL-terminated environment variable value. If the value is an\r | |
689 | empty string then the environment variable is deleted.\r | |
690 | @param Volatile Indicates whether the variable is non-volatile (FALSE) or volatile (TRUE).\r | |
691 | \r | |
692 | @retval EFI_SUCCESS The environment variable was successfully updated.\r | |
693 | **/\r | |
694 | EFI_STATUS\r | |
695 | EFIAPI\r | |
696 | EfiShellSetEnv(\r | |
697 | IN CONST CHAR16 *Name,\r | |
698 | IN CONST CHAR16 *Value,\r | |
699 | IN BOOLEAN Volatile\r | |
700 | );\r | |
701 | \r | |
702 | /**\r | |
703 | Returns the current directory on the specified device.\r | |
704 | \r | |
705 | If FileSystemMapping is NULL, it returns the current working directory. If the\r | |
706 | FileSystemMapping is not NULL, it returns the current directory associated with the\r | |
707 | FileSystemMapping. In both cases, the returned name includes the file system\r | |
708 | mapping (i.e. fs0:\current-dir).\r | |
709 | \r | |
710 | @param FileSystemMapping A pointer to the file system mapping. If NULL,\r | |
711 | then the current working directory is returned.\r | |
712 | \r | |
713 | @retval !=NULL The current directory.\r | |
714 | @retval NULL Current directory does not exist.\r | |
715 | **/\r | |
716 | CONST CHAR16 *\r | |
717 | EFIAPI\r | |
718 | EfiShellGetCurDir(\r | |
719 | IN CONST CHAR16 *FileSystemMapping OPTIONAL\r | |
720 | );\r | |
721 | \r | |
722 | /**\r | |
723 | Changes the current directory on the specified device.\r | |
724 | \r | |
725 | If the FileSystem is NULL, and the directory Dir does not contain a file system's\r | |
726 | mapped name, this function changes the current working directory. If FileSystem is\r | |
727 | NULL and the directory Dir contains a mapped name, then the current file system and\r | |
728 | the current directory on that file system are changed.\r | |
729 | \r | |
730 | If FileSystem is not NULL, and Dir is NULL, then this changes the current working file\r | |
731 | system.\r | |
732 | \r | |
733 | If FileSystem is not NULL and Dir is not NULL, then this function changes the current\r | |
734 | directory on the specified file system.\r | |
735 | \r | |
736 | If the current working directory or the current working file system is changed then the\r | |
737 | %cwd% environment variable will be updated\r | |
738 | \r | |
739 | @param FileSystem A pointer to the file system's mapped name. If NULL, then the current working\r | |
740 | directory is changed.\r | |
741 | @param Dir Points to the NULL-terminated directory on the device specified by FileSystem.\r | |
742 | \r | |
743 | @retval EFI_SUCCESS The operation was sucessful\r | |
744 | **/\r | |
745 | EFI_STATUS\r | |
746 | EFIAPI\r | |
747 | EfiShellSetCurDir(\r | |
748 | IN CONST CHAR16 *FileSystem OPTIONAL,\r | |
749 | IN CONST CHAR16 *Dir\r | |
750 | );\r | |
751 | \r | |
752 | /**\r | |
753 | Return help information about a specific command.\r | |
754 | \r | |
755 | This function returns the help information for the specified command. The help text\r | |
756 | can be internal to the shell or can be from a UEFI Shell manual page.\r | |
757 | \r | |
758 | If Sections is specified, then each section name listed will be compared in a casesensitive\r | |
759 | manner, to the section names described in Appendix B. If the section exists,\r | |
760 | it will be appended to the returned help text. If the section does not exist, no\r | |
761 | information will be returned. If Sections is NULL, then all help text information\r | |
762 | available will be returned.\r | |
763 | \r | |
764 | @param Command Points to the NULL-terminated UEFI Shell command name.\r | |
765 | @param Sections Points to the NULL-terminated comma-delimited\r | |
766 | section names to return. If NULL, then all\r | |
767 | sections will be returned.\r | |
768 | @param HelpText On return, points to a callee-allocated buffer\r | |
769 | containing all specified help text.\r | |
770 | \r | |
771 | @retval EFI_SUCCESS The help text was returned.\r | |
772 | @retval EFI_OUT_OF_RESOURCES The necessary buffer could not be allocated to hold the\r | |
773 | returned help text.\r | |
774 | @retval EFI_INVALID_PARAMETER HelpText is NULL\r | |
775 | @retval EFI_NOT_FOUND There is no help text available for Command.\r | |
776 | **/\r | |
777 | EFI_STATUS\r | |
778 | EFIAPI\r | |
779 | EfiShellGetHelpText(\r | |
780 | IN CONST CHAR16 *Command,\r | |
781 | IN CONST CHAR16 *Sections OPTIONAL,\r | |
782 | OUT CHAR16 **HelpText\r | |
783 | );\r | |
784 | \r | |
785 | /**\r | |
786 | Gets the enable status of the page break output mode.\r | |
787 | \r | |
788 | User can use this function to determine current page break mode.\r | |
789 | \r | |
790 | @retval TRUE The page break output mode is enabled\r | |
791 | @retval FALSE The page break output mode is disabled\r | |
792 | **/\r | |
793 | BOOLEAN\r | |
794 | EFIAPI\r | |
795 | EfiShellGetPageBreak(\r | |
796 | VOID\r | |
797 | );\r | |
798 | \r | |
799 | /**\r | |
800 | Judges whether the active shell is the root shell.\r | |
801 | \r | |
802 | This function makes the user to know that whether the active Shell is the root shell.\r | |
803 | \r | |
804 | @retval TRUE The active Shell is the root Shell.\r | |
805 | @retval FALSE The active Shell is NOT the root Shell.\r | |
806 | **/\r | |
807 | BOOLEAN\r | |
808 | EFIAPI\r | |
809 | EfiShellIsRootShell(\r | |
810 | VOID\r | |
811 | );\r | |
812 | \r | |
813 | /**\r | |
814 | This function returns the command associated with a alias or a list of all\r | |
815 | alias'.\r | |
816 | \r | |
817 | @param[in] Command Points to the NULL-terminated shell alias.\r | |
818 | If this parameter is NULL, then all\r | |
819 | aliases will be returned in ReturnedData.\r | |
820 | @param[out] Volatile upon return of a single command if TRUE indicates\r | |
821 | this is stored in a volatile fashion. FALSE otherwise.\r | |
822 | @return If Alias is not NULL, it will return a pointer to\r | |
823 | the NULL-terminated command for that alias.\r | |
824 | If Alias is NULL, ReturnedData points to a ';'\r | |
825 | delimited list of alias (e.g.\r | |
826 | ReturnedData = "dir;del;copy;mfp") that is NULL-terminated.\r | |
827 | @retval NULL an error ocurred\r | |
828 | @retval NULL Alias was not a valid Alias\r | |
829 | **/\r | |
830 | CONST CHAR16 *\r | |
831 | EFIAPI\r | |
832 | EfiShellGetAlias(\r | |
833 | IN CONST CHAR16 *Command,\r | |
834 | OUT BOOLEAN *Volatile OPTIONAL\r | |
835 | );\r | |
836 | \r | |
837 | /**\r | |
838 | Changes a shell command alias.\r | |
839 | \r | |
840 | This function creates an alias for a shell command or if Alias is NULL it will delete an existing alias.\r | |
841 | \r | |
842 | this function does not check for built in alias'.\r | |
843 | \r | |
844 | @param[in] Command Points to the NULL-terminated shell command or existing alias.\r | |
845 | @param[in] Alias Points to the NULL-terminated alias for the shell command. If this is NULL, and\r | |
846 | Command refers to an alias, that alias will be deleted.\r | |
847 | @param[in] Volatile if TRUE the Alias being set will be stored in a volatile fashion. if FALSE the\r | |
848 | Alias being set will be stored in a non-volatile fashion.\r | |
849 | \r | |
850 | @retval EFI_SUCCESS Alias created or deleted successfully.\r | |
851 | @retval EFI_NOT_FOUND the Alias intended to be deleted was not found\r | |
852 | **/\r | |
853 | EFI_STATUS\r | |
a405b86d | 854 | InternalSetAlias(\r |
855 | IN CONST CHAR16 *Command,\r | |
856 | IN CONST CHAR16 *Alias OPTIONAL,\r | |
857 | IN BOOLEAN Volatile\r | |
858 | );\r | |
859 | \r | |
860 | /**\r | |
861 | Changes a shell command alias.\r | |
862 | \r | |
863 | This function creates an alias for a shell command or if Alias is NULL it will delete an existing alias.\r | |
864 | \r | |
865 | \r | |
866 | @param[in] Command Points to the NULL-terminated shell command or existing alias.\r | |
867 | @param[in] Alias Points to the NULL-terminated alias for the shell command. If this is NULL, and\r | |
868 | Command refers to an alias, that alias will be deleted.\r | |
869 | @param[in] Replace If TRUE and the alias already exists, then the existing alias will be replaced. If\r | |
870 | FALSE and the alias already exists, then the existing alias is unchanged and\r | |
871 | EFI_ACCESS_DENIED is returned.\r | |
872 | @param[in] Volatile if TRUE the Alias being set will be stored in a volatile fashion. if FALSE the\r | |
873 | Alias being set will be stored in a non-volatile fashion.\r | |
874 | \r | |
875 | @retval EFI_SUCCESS Alias created or deleted successfully.\r | |
876 | @retval EFI_NOT_FOUND the Alias intended to be deleted was not found\r | |
877 | @retval EFI_ACCESS_DENIED The alias is a built-in alias or already existed and Replace was set to\r | |
878 | FALSE.\r | |
879 | **/\r | |
880 | EFI_STATUS\r | |
881 | EFIAPI\r | |
882 | EfiShellSetAlias(\r | |
883 | IN CONST CHAR16 *Command,\r | |
884 | IN CONST CHAR16 *Alias OPTIONAL,\r | |
885 | IN BOOLEAN Replace,\r | |
886 | IN BOOLEAN Volatile\r | |
887 | );\r | |
888 | \r | |
889 | /**\r | |
890 | Utility cleanup function for EFI_SHELL_FILE_INFO objects.\r | |
891 | \r | |
892 | 1) frees all pointers (non-NULL)\r | |
893 | 2) Closes the SHELL_FILE_HANDLE\r | |
894 | \r | |
895 | @param FileListNode pointer to the list node to free\r | |
896 | **/\r | |
897 | VOID\r | |
a405b86d | 898 | InternalFreeShellFileInfoNode(\r |
899 | IN EFI_SHELL_FILE_INFO *FileListNode\r | |
900 | );\r | |
901 | \r | |
902 | /**\r | |
903 | Internal variable setting function. Allows for setting of the read only variables.\r | |
904 | \r | |
905 | @param Name Points to the NULL-terminated environment variable name.\r | |
906 | @param Value Points to the NULL-terminated environment variable value. If the value is an\r | |
907 | empty string then the environment variable is deleted.\r | |
908 | @param Volatile Indicates whether the variable is non-volatile (FALSE) or volatile (TRUE).\r | |
909 | \r | |
910 | @retval EFI_SUCCESS The environment variable was successfully updated.\r | |
911 | **/\r | |
912 | EFI_STATUS\r | |
a405b86d | 913 | InternalEfiShellSetEnv(\r |
914 | IN CONST CHAR16 *Name,\r | |
915 | IN CONST CHAR16 *Value,\r | |
916 | IN BOOLEAN Volatile\r | |
917 | );\r | |
918 | \r | |
8be0ba36 | 919 | /**\r |
920 | Function to start monitoring for CTRL-C using SimpleTextInputEx. This \r | |
921 | feature's enabled state was not known when the shell initially launched.\r | |
922 | \r | |
923 | @retval EFI_SUCCESS The feature is enabled.\r | |
924 | @retval EFI_OUT_OF_RESOURCES There is not enough mnemory available.\r | |
925 | **/\r | |
926 | EFI_STATUS\r | |
8be0ba36 | 927 | InernalEfiShellStartMonitor(\r |
928 | VOID\r | |
929 | );\r | |
733f138d | 930 | \r |
931 | /**\r | |
932 | Notification function for keystrokes.\r | |
933 | \r | |
934 | @param[in] KeyData The key that was pressed.\r | |
935 | \r | |
936 | @retval EFI_SUCCESS The operation was successful.\r | |
937 | **/\r | |
938 | EFI_STATUS\r | |
939 | EFIAPI\r | |
940 | NotificationFunction(\r | |
941 | IN EFI_KEY_DATA *KeyData\r | |
942 | );\r | |
a405b86d | 943 | #endif //_SHELL_PROTOCOL_HEADER_\r |
944 | \r |