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8be0ba36 | 1 | /** @file\r |
2 | Function definitions for shell simple text in and out on top of file handles.\r | |
3 | \r | |
c011b6c9 | 4 | (C) Copyright 2013 Hewlett-Packard Development Company, L.P.<BR>\r |
ba0014b9 | 5 | Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>\r |
56ba3746 | 6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
8be0ba36 | 7 | \r |
8 | **/\r | |
9 | \r | |
8be0ba36 | 10 | #include "Shell.h"\r |
11 | \r | |
48cb33ec QS |
12 | extern BOOLEAN AsciiRedirection;\r |
13 | \r | |
8be0ba36 | 14 | typedef struct {\r |
15 | EFI_SIMPLE_TEXT_INPUT_PROTOCOL SimpleTextIn;\r | |
16 | SHELL_FILE_HANDLE FileHandle;\r | |
17 | EFI_HANDLE TheHandle;\r | |
2c86b6b7 | 18 | UINT64 RemainingBytesOfInputFile;\r |
8be0ba36 | 19 | } SHELL_EFI_SIMPLE_TEXT_INPUT_PROTOCOL;\r |
20 | \r | |
21 | typedef struct {\r | |
22 | EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL SimpleTextOut;\r | |
23 | SHELL_FILE_HANDLE FileHandle;\r | |
24 | EFI_HANDLE TheHandle;\r | |
dcf9b428 | 25 | EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *OriginalSimpleTextOut;\r |
8be0ba36 | 26 | } SHELL_EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL;\r |
27 | \r | |
28 | /**\r | |
29 | Event notification function for EFI_SIMPLE_TEXT_INPUT_PROTOCOL.WaitForKey event\r | |
30 | Signal the event if there is key available\r | |
31 | \r | |
32 | @param Event Indicates the event that invoke this function.\r | |
33 | @param Context Indicates the calling context.\r | |
34 | \r | |
35 | **/\r | |
36 | VOID\r | |
37 | EFIAPI\r | |
38 | ConInWaitForKey (\r | |
39 | IN EFI_EVENT Event,\r | |
40 | IN VOID *Context\r | |
41 | )\r | |
42 | {\r | |
2c86b6b7 | 43 | gBS->SignalEvent (Event);\r |
8be0ba36 | 44 | }\r |
45 | \r | |
46 | /**\r | |
47 | Reset function for the fake simple text input.\r | |
48 | \r | |
49 | @param[in] This A pointer to the SimpleTextIn structure.\r | |
50 | @param[in] ExtendedVerification TRUE for extra validation, FALSE otherwise.\r | |
51 | \r | |
52 | @retval EFI_SUCCESS The reset was successful.\r | |
53 | **/\r | |
54 | EFI_STATUS\r | |
55 | EFIAPI\r | |
56 | FileBasedSimpleTextInReset(\r | |
57 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r | |
58 | IN BOOLEAN ExtendedVerification\r | |
59 | )\r | |
60 | {\r | |
61 | return (EFI_SUCCESS);\r | |
62 | }\r | |
63 | \r | |
64 | /**\r | |
65 | ReadKeyStroke function for the fake simple text input.\r | |
66 | \r | |
4ff7e37b ED |
67 | @param[in] This A pointer to the SimpleTextIn structure.\r |
68 | @param[in, out] Key A pointer to the Key structure to fill.\r | |
8be0ba36 | 69 | \r |
70 | @retval EFI_SUCCESS The read was successful.\r | |
71 | **/\r | |
72 | EFI_STATUS\r | |
73 | EFIAPI\r | |
74 | FileBasedSimpleTextInReadKeyStroke(\r | |
733f138d | 75 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r |
76 | IN OUT EFI_INPUT_KEY *Key\r | |
8be0ba36 | 77 | )\r |
78 | {\r | |
79 | UINTN Size;\r | |
48cb33ec | 80 | UINTN CharSize;\r |
2c86b6b7 JC |
81 | \r |
82 | //\r | |
83 | // Verify the parameters\r | |
84 | //\r | |
8be0ba36 | 85 | if (Key == NULL || This == NULL) {\r |
86 | return (EFI_INVALID_PARAMETER);\r | |
87 | }\r | |
2c86b6b7 JC |
88 | \r |
89 | //\r | |
90 | // Check if we have any characters left in the stream.\r | |
91 | //\r | |
92 | if (((SHELL_EFI_SIMPLE_TEXT_INPUT_PROTOCOL *)This)->RemainingBytesOfInputFile == 0) {\r | |
93 | return (EFI_NOT_READY);\r | |
94 | }\r | |
95 | \r | |
96 | Size = sizeof(CHAR16);\r | |
97 | \r | |
48cb33ec QS |
98 | if(!AsciiRedirection) {\r |
99 | CharSize = sizeof(CHAR16);\r | |
100 | } else {\r | |
101 | CharSize = sizeof(CHAR8);\r | |
ba0014b9 | 102 | }\r |
2c86b6b7 JC |
103 | //\r |
104 | // Decrement the amount of free space by Size or set to zero (for odd length files)\r | |
105 | //\r | |
48cb33ec QS |
106 | if (((SHELL_EFI_SIMPLE_TEXT_INPUT_PROTOCOL *)This)->RemainingBytesOfInputFile > CharSize) {\r |
107 | ((SHELL_EFI_SIMPLE_TEXT_INPUT_PROTOCOL *)This)->RemainingBytesOfInputFile -= CharSize;\r | |
2c86b6b7 JC |
108 | } else {\r |
109 | ((SHELL_EFI_SIMPLE_TEXT_INPUT_PROTOCOL *)This)->RemainingBytesOfInputFile = 0;\r | |
110 | }\r | |
111 | \r | |
8be0ba36 | 112 | Key->ScanCode = 0;\r |
113 | return (ShellInfoObject.NewEfiShellProtocol->ReadFile(\r | |
114 | ((SHELL_EFI_SIMPLE_TEXT_INPUT_PROTOCOL *)This)->FileHandle,\r | |
115 | &Size,\r | |
116 | &Key->UnicodeChar));\r | |
117 | }\r | |
118 | \r | |
119 | /**\r | |
ba0014b9 | 120 | Function to create a EFI_SIMPLE_TEXT_INPUT_PROTOCOL on top of a\r |
8be0ba36 | 121 | SHELL_FILE_HANDLE to support redirecting input from a file.\r |
122 | \r | |
123 | @param[in] FileHandleToUse The pointer to the SHELL_FILE_HANDLE to use.\r | |
124 | @param[in] HandleLocation The pointer of a location to copy handle with protocol to.\r | |
125 | \r | |
126 | @retval NULL There was insufficient memory available.\r | |
127 | @return A pointer to the allocated protocol structure;\r | |
128 | **/\r | |
129 | EFI_SIMPLE_TEXT_INPUT_PROTOCOL*\r | |
8be0ba36 | 130 | CreateSimpleTextInOnFile(\r |
131 | IN SHELL_FILE_HANDLE FileHandleToUse,\r | |
132 | IN EFI_HANDLE *HandleLocation\r | |
133 | )\r | |
134 | {\r | |
135 | SHELL_EFI_SIMPLE_TEXT_INPUT_PROTOCOL *ProtocolToReturn;\r | |
136 | EFI_STATUS Status;\r | |
2c86b6b7 JC |
137 | UINT64 CurrentPosition;\r |
138 | UINT64 FileSize;\r | |
8be0ba36 | 139 | \r |
140 | if (HandleLocation == NULL || FileHandleToUse == NULL) {\r | |
141 | return (NULL);\r | |
142 | }\r | |
143 | \r | |
144 | ProtocolToReturn = AllocateZeroPool(sizeof(SHELL_EFI_SIMPLE_TEXT_INPUT_PROTOCOL));\r | |
145 | if (ProtocolToReturn == NULL) {\r | |
146 | return (NULL);\r | |
147 | }\r | |
2c86b6b7 JC |
148 | \r |
149 | ShellGetFileSize (FileHandleToUse, &FileSize);\r | |
150 | ShellGetFilePosition(FileHandleToUse, &CurrentPosition);\r | |
151 | \r | |
152 | //\r | |
153 | // Initialize the protocol members\r | |
154 | //\r | |
155 | ProtocolToReturn->RemainingBytesOfInputFile = FileSize - CurrentPosition;\r | |
156 | ProtocolToReturn->FileHandle = FileHandleToUse;\r | |
8be0ba36 | 157 | ProtocolToReturn->SimpleTextIn.Reset = FileBasedSimpleTextInReset;\r |
158 | ProtocolToReturn->SimpleTextIn.ReadKeyStroke = FileBasedSimpleTextInReadKeyStroke;\r | |
ba0014b9 | 159 | \r |
8be0ba36 | 160 | Status = gBS->CreateEvent (\r |
161 | EVT_NOTIFY_WAIT,\r | |
162 | TPL_NOTIFY,\r | |
163 | ConInWaitForKey,\r | |
164 | &ProtocolToReturn->SimpleTextIn,\r | |
165 | &ProtocolToReturn->SimpleTextIn.WaitForKey\r | |
166 | );\r | |
167 | \r | |
168 | if (EFI_ERROR(Status)) {\r | |
169 | FreePool(ProtocolToReturn);\r | |
170 | return (NULL);\r | |
171 | }\r | |
172 | ///@todo possibly also install SimpleTextInputEx on the handle at this point.\r | |
173 | Status = gBS->InstallProtocolInterface(\r | |
ba0014b9 LG |
174 | &(ProtocolToReturn->TheHandle),\r |
175 | &gEfiSimpleTextInProtocolGuid,\r | |
176 | EFI_NATIVE_INTERFACE,\r | |
8be0ba36 | 177 | &(ProtocolToReturn->SimpleTextIn));\r |
178 | if (!EFI_ERROR(Status)) {\r | |
179 | *HandleLocation = ProtocolToReturn->TheHandle;\r | |
180 | return ((EFI_SIMPLE_TEXT_INPUT_PROTOCOL*)ProtocolToReturn);\r | |
181 | } else {\r | |
182 | FreePool(ProtocolToReturn);\r | |
183 | return (NULL);\r | |
184 | }\r | |
185 | }\r | |
186 | \r | |
187 | /**\r | |
ba0014b9 | 188 | Function to close a EFI_SIMPLE_TEXT_INPUT_PROTOCOL on top of a\r |
8be0ba36 | 189 | SHELL_FILE_HANDLE to support redirecting input from a file.\r |
190 | \r | |
191 | @param[in] SimpleTextIn The pointer to the SimpleTextIn to close.\r | |
192 | \r | |
193 | @retval EFI_SUCCESS The object was closed.\r | |
194 | **/\r | |
195 | EFI_STATUS\r | |
8be0ba36 | 196 | CloseSimpleTextInOnFile(\r |
197 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *SimpleTextIn\r | |
198 | )\r | |
199 | {\r | |
200 | EFI_STATUS Status;\r | |
201 | EFI_STATUS Status1;\r | |
202 | \r | |
203 | if (SimpleTextIn == NULL) {\r | |
204 | return (EFI_INVALID_PARAMETER);\r | |
205 | }\r | |
206 | \r | |
207 | Status = gBS->CloseEvent(((SHELL_EFI_SIMPLE_TEXT_INPUT_PROTOCOL *)SimpleTextIn)->SimpleTextIn.WaitForKey);\r | |
208 | \r | |
209 | Status1 = gBS->UninstallProtocolInterface(\r | |
ba0014b9 LG |
210 | ((SHELL_EFI_SIMPLE_TEXT_INPUT_PROTOCOL*)SimpleTextIn)->TheHandle,\r |
211 | &gEfiSimpleTextInProtocolGuid,\r | |
8be0ba36 | 212 | &(((SHELL_EFI_SIMPLE_TEXT_INPUT_PROTOCOL*)SimpleTextIn)->SimpleTextIn));\r |
213 | \r | |
214 | FreePool(SimpleTextIn);\r | |
215 | if (!EFI_ERROR(Status)) {\r | |
216 | return (Status1);\r | |
217 | } else {\r | |
218 | return (Status);\r | |
219 | }\r | |
220 | }\r | |
221 | \r | |
222 | /**\r | |
223 | Reset the text output device hardware and optionaly run diagnostics.\r | |
224 | \r | |
225 | @param This pointer to EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL\r | |
226 | @param ExtendedVerification Indicates that a more extensive test may be performed\r | |
227 | \r | |
228 | @retval EFI_SUCCESS The text output device was reset.\r | |
229 | **/\r | |
230 | EFI_STATUS\r | |
231 | EFIAPI\r | |
232 | FileBasedSimpleTextOutReset (\r | |
233 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
234 | IN BOOLEAN ExtendedVerification\r | |
235 | )\r | |
236 | {\r | |
237 | return (EFI_SUCCESS);\r | |
238 | }\r | |
239 | \r | |
240 | /**\r | |
241 | Verifies that all characters in a Unicode string can be output to the\r | |
242 | target device.\r | |
243 | \r | |
244 | @param[in] This Protocol instance pointer.\r | |
245 | @param[in] WString The NULL-terminated Unicode string to be examined.\r | |
246 | \r | |
247 | @retval EFI_SUCCESS The device(s) are capable of rendering the output string.\r | |
248 | **/\r | |
249 | EFI_STATUS\r | |
250 | EFIAPI\r | |
251 | FileBasedSimpleTextOutTestString (\r | |
252 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
253 | IN CHAR16 *WString\r | |
254 | )\r | |
255 | {\r | |
256 | return (EFI_SUCCESS);\r | |
257 | }\r | |
258 | \r | |
259 | /**\r | |
260 | Returns information for an available text mode that the output device(s)\r | |
261 | supports.\r | |
262 | \r | |
263 | @param[in] This Protocol instance pointer.\r | |
264 | @param[in] ModeNumber The mode number to return information on.\r | |
265 | @param[out] Columns Upon return, the number of columns in the selected geometry\r | |
266 | @param[out] Rows Upon return, the number of rows in the selected geometry\r | |
267 | \r | |
268 | @retval EFI_UNSUPPORTED The mode number was not valid.\r | |
269 | **/\r | |
270 | EFI_STATUS\r | |
271 | EFIAPI\r | |
272 | FileBasedSimpleTextOutQueryMode (\r | |
273 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
274 | IN UINTN ModeNumber,\r | |
275 | OUT UINTN *Columns,\r | |
276 | OUT UINTN *Rows\r | |
277 | )\r | |
278 | {\r | |
6f05676d | 279 | EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *PassThruProtocol;\r |
ba0014b9 | 280 | \r |
6f05676d | 281 | PassThruProtocol = ((SHELL_EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *)This)->OriginalSimpleTextOut;\r |
ba0014b9 | 282 | \r |
dcf9b428 CP |
283 | // Pass the QueryMode call thru to the original SimpleTextOutProtocol\r |
284 | return (PassThruProtocol->QueryMode(\r | |
285 | PassThruProtocol,\r | |
286 | ModeNumber,\r | |
287 | Columns,\r | |
288 | Rows));\r | |
8be0ba36 | 289 | }\r |
290 | \r | |
291 | /**\r | |
292 | Sets the output device(s) to a specified mode.\r | |
293 | \r | |
294 | @param[in] This Protocol instance pointer.\r | |
295 | @param[in] ModeNumber The mode number to set.\r | |
296 | \r | |
297 | @retval EFI_UNSUPPORTED The mode number was not valid.\r | |
298 | **/\r | |
299 | EFI_STATUS\r | |
300 | EFIAPI\r | |
301 | FileBasedSimpleTextOutSetMode (\r | |
302 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
303 | IN UINTN ModeNumber\r | |
304 | )\r | |
305 | {\r | |
306 | return (EFI_UNSUPPORTED);\r | |
307 | }\r | |
308 | \r | |
309 | /**\r | |
310 | Sets the background and foreground colors for the OutputString () and\r | |
311 | ClearScreen () functions.\r | |
312 | \r | |
313 | @param[in] This Protocol instance pointer.\r | |
314 | @param[in] Attribute The attribute to set. Bits 0..3 are the foreground color, and\r | |
315 | bits 4..6 are the background color. All other bits are undefined\r | |
316 | and must be zero. The valid Attributes are defined in this file.\r | |
317 | \r | |
318 | @retval EFI_SUCCESS The attribute was set.\r | |
319 | **/\r | |
320 | EFI_STATUS\r | |
321 | EFIAPI\r | |
322 | FileBasedSimpleTextOutSetAttribute (\r | |
323 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
324 | IN UINTN Attribute\r | |
325 | )\r | |
326 | {\r | |
327 | return (EFI_SUCCESS);\r | |
328 | }\r | |
329 | \r | |
330 | /**\r | |
331 | Clears the output device(s) display to the currently selected background\r | |
332 | color.\r | |
333 | \r | |
334 | @param[in] This Protocol instance pointer.\r | |
335 | \r | |
336 | @retval EFI_UNSUPPORTED The output device is not in a valid text mode.\r | |
337 | **/\r | |
338 | EFI_STATUS\r | |
339 | EFIAPI\r | |
340 | FileBasedSimpleTextOutClearScreen (\r | |
341 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This\r | |
342 | )\r | |
343 | {\r | |
344 | return (EFI_SUCCESS);\r | |
345 | }\r | |
346 | \r | |
347 | /**\r | |
348 | Sets the current coordinates of the cursor position\r | |
349 | \r | |
350 | @param[in] This Protocol instance pointer.\r | |
351 | @param[in] Column Column to put the cursor in. Must be between zero and Column returned from QueryMode\r | |
352 | @param[in] Row Row to put the cursor in. Must be between zero and Row returned from QueryMode\r | |
353 | \r | |
354 | @retval EFI_SUCCESS The operation completed successfully.\r | |
355 | **/\r | |
356 | EFI_STATUS\r | |
357 | EFIAPI\r | |
358 | FileBasedSimpleTextOutSetCursorPosition (\r | |
359 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
360 | IN UINTN Column,\r | |
361 | IN UINTN Row\r | |
362 | )\r | |
363 | {\r | |
364 | return (EFI_SUCCESS);\r | |
365 | }\r | |
366 | \r | |
367 | /**\r | |
368 | Makes the cursor visible or invisible\r | |
369 | \r | |
370 | @param[in] This Protocol instance pointer.\r | |
371 | @param[in] Visible If TRUE, the cursor is set to be visible. If FALSE, the cursor is\r | |
372 | set to be invisible.\r | |
373 | \r | |
374 | @retval EFI_SUCCESS The operation completed successfully.\r | |
375 | **/\r | |
376 | EFI_STATUS\r | |
377 | EFIAPI\r | |
378 | FileBasedSimpleTextOutEnableCursor (\r | |
379 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
380 | IN BOOLEAN Visible\r | |
381 | )\r | |
382 | {\r | |
383 | return (EFI_SUCCESS);\r | |
384 | }\r | |
385 | \r | |
386 | /**\r | |
387 | Write a Unicode string to the output device.\r | |
388 | \r | |
389 | @param[in] This Protocol instance pointer.\r | |
390 | @param[in] WString The NULL-terminated Unicode string to be displayed on the output\r | |
391 | device(s). All output devices must also support the Unicode\r | |
392 | drawing defined in this file.\r | |
393 | @retval EFI_SUCCESS The string was output to the device.\r | |
394 | @retval EFI_DEVICE_ERROR The device reported an error while attempting to output\r | |
395 | the text.\r | |
396 | @retval EFI_UNSUPPORTED The output device's mode is not currently in a\r | |
397 | defined text mode.\r | |
398 | @retval EFI_WARN_UNKNOWN_GLYPH This warning code indicates that some of the\r | |
399 | characters in the Unicode string could not be\r | |
400 | rendered and were skipped.\r | |
401 | **/\r | |
402 | EFI_STATUS\r | |
403 | EFIAPI\r | |
404 | FileBasedSimpleTextOutOutputString (\r | |
405 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
406 | IN CHAR16 *WString\r | |
407 | )\r | |
408 | {\r | |
409 | UINTN Size;\r | |
410 | Size = StrLen(WString) * sizeof(CHAR16);\r | |
411 | return (ShellInfoObject.NewEfiShellProtocol->WriteFile(\r | |
412 | ((SHELL_EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *)This)->FileHandle,\r | |
413 | &Size,\r | |
414 | WString));\r | |
415 | }\r | |
416 | \r | |
417 | /**\r | |
ba0014b9 | 418 | Function to create a EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL on top of a\r |
8be0ba36 | 419 | SHELL_FILE_HANDLE to support redirecting output from a file.\r |
420 | \r | |
dcf9b428 CP |
421 | @param[in] FileHandleToUse The pointer to the SHELL_FILE_HANDLE to use.\r |
422 | @param[in] HandleLocation The pointer of a location to copy handle with protocol to.\r | |
423 | @param[in] OriginalProtocol The pointer to the original output protocol for pass thru of functions.\r | |
8be0ba36 | 424 | \r |
425 | @retval NULL There was insufficient memory available.\r | |
426 | @return A pointer to the allocated protocol structure;\r | |
427 | **/\r | |
428 | EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL*\r | |
8be0ba36 | 429 | CreateSimpleTextOutOnFile(\r |
dcf9b428 CP |
430 | IN SHELL_FILE_HANDLE FileHandleToUse,\r |
431 | IN EFI_HANDLE *HandleLocation,\r | |
432 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *OriginalProtocol\r | |
8be0ba36 | 433 | )\r |
434 | {\r | |
435 | SHELL_EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *ProtocolToReturn;\r | |
436 | EFI_STATUS Status;\r | |
437 | \r | |
438 | if (HandleLocation == NULL || FileHandleToUse == NULL) {\r | |
439 | return (NULL);\r | |
440 | }\r | |
441 | \r | |
442 | ProtocolToReturn = AllocateZeroPool(sizeof(SHELL_EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL));\r | |
443 | if (ProtocolToReturn == NULL) {\r | |
444 | return (NULL);\r | |
445 | }\r | |
446 | ProtocolToReturn->FileHandle = FileHandleToUse;\r | |
dcf9b428 | 447 | ProtocolToReturn->OriginalSimpleTextOut = OriginalProtocol;\r |
8be0ba36 | 448 | ProtocolToReturn->SimpleTextOut.Reset = FileBasedSimpleTextOutReset;\r |
449 | ProtocolToReturn->SimpleTextOut.TestString = FileBasedSimpleTextOutTestString;\r | |
450 | ProtocolToReturn->SimpleTextOut.QueryMode = FileBasedSimpleTextOutQueryMode;\r | |
451 | ProtocolToReturn->SimpleTextOut.SetMode = FileBasedSimpleTextOutSetMode;\r | |
452 | ProtocolToReturn->SimpleTextOut.SetAttribute = FileBasedSimpleTextOutSetAttribute;\r | |
453 | ProtocolToReturn->SimpleTextOut.ClearScreen = FileBasedSimpleTextOutClearScreen;\r | |
454 | ProtocolToReturn->SimpleTextOut.SetCursorPosition = FileBasedSimpleTextOutSetCursorPosition;\r | |
455 | ProtocolToReturn->SimpleTextOut.EnableCursor = FileBasedSimpleTextOutEnableCursor;\r | |
456 | ProtocolToReturn->SimpleTextOut.OutputString = FileBasedSimpleTextOutOutputString;\r | |
457 | ProtocolToReturn->SimpleTextOut.Mode = AllocateZeroPool(sizeof(EFI_SIMPLE_TEXT_OUTPUT_MODE));\r | |
458 | if (ProtocolToReturn->SimpleTextOut.Mode == NULL) {\r | |
459 | FreePool(ProtocolToReturn);\r | |
460 | return (NULL);\r | |
461 | }\r | |
dcf9b428 CP |
462 | ProtocolToReturn->SimpleTextOut.Mode->MaxMode = OriginalProtocol->Mode->MaxMode;\r |
463 | ProtocolToReturn->SimpleTextOut.Mode->Mode = OriginalProtocol->Mode->Mode;\r | |
464 | ProtocolToReturn->SimpleTextOut.Mode->Attribute = OriginalProtocol->Mode->Attribute;\r | |
465 | ProtocolToReturn->SimpleTextOut.Mode->CursorColumn = OriginalProtocol->Mode->CursorColumn;\r | |
466 | ProtocolToReturn->SimpleTextOut.Mode->CursorRow = OriginalProtocol->Mode->CursorRow;\r | |
467 | ProtocolToReturn->SimpleTextOut.Mode->CursorVisible = OriginalProtocol->Mode->CursorVisible;\r | |
8be0ba36 | 468 | \r |
469 | Status = gBS->InstallProtocolInterface(\r | |
ba0014b9 LG |
470 | &(ProtocolToReturn->TheHandle),\r |
471 | &gEfiSimpleTextOutProtocolGuid,\r | |
472 | EFI_NATIVE_INTERFACE,\r | |
8be0ba36 | 473 | &(ProtocolToReturn->SimpleTextOut));\r |
474 | if (!EFI_ERROR(Status)) {\r | |
475 | *HandleLocation = ProtocolToReturn->TheHandle;\r | |
476 | return ((EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL*)ProtocolToReturn);\r | |
477 | } else {\r | |
5772d0f5 QS |
478 | SHELL_FREE_NON_NULL(ProtocolToReturn->SimpleTextOut.Mode);\r |
479 | SHELL_FREE_NON_NULL(ProtocolToReturn);\r | |
8be0ba36 | 480 | return (NULL);\r |
481 | }\r | |
482 | }\r | |
483 | \r | |
484 | /**\r | |
ba0014b9 | 485 | Function to close a EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL on top of a\r |
8be0ba36 | 486 | SHELL_FILE_HANDLE to support redirecting output from a file.\r |
487 | \r | |
733f138d | 488 | @param[in] SimpleTextOut The pointer to the SimpleTextOUT to close.\r |
8be0ba36 | 489 | \r |
490 | @retval EFI_SUCCESS The object was closed.\r | |
491 | **/\r | |
492 | EFI_STATUS\r | |
8be0ba36 | 493 | CloseSimpleTextOutOnFile(\r |
733f138d | 494 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *SimpleTextOut\r |
8be0ba36 | 495 | )\r |
496 | {\r | |
497 | EFI_STATUS Status;\r | |
498 | if (SimpleTextOut == NULL) {\r | |
499 | return (EFI_INVALID_PARAMETER);\r | |
500 | }\r | |
501 | Status = gBS->UninstallProtocolInterface(\r | |
ba0014b9 LG |
502 | ((SHELL_EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL*)SimpleTextOut)->TheHandle,\r |
503 | &gEfiSimpleTextOutProtocolGuid,\r | |
8be0ba36 | 504 | &(((SHELL_EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL*)SimpleTextOut)->SimpleTextOut));\r |
5772d0f5 | 505 | FreePool(SimpleTextOut->Mode);\r |
8be0ba36 | 506 | FreePool(SimpleTextOut);\r |
507 | return (Status);\r | |
508 | }\r |