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1 | /** @file\r | |
2 | EFI_FILE_PROTOCOL wrappers for other items (Like Environment Variables,\r | |
3 | StdIn, StdOut, StdErr, etc...).\r | |
4 | \r | |
5 | Copyright 2016 Dell Inc.\r | |
6 | Copyright (c) 2009 - 2016, Intel Corporation. All rights reserved.<BR>\r | |
7 | (C) Copyright 2013 Hewlett-Packard Development Company, L.P.<BR>\r | |
8 | This program and the accompanying materials\r | |
9 | are licensed and made available under the terms and conditions of the BSD License\r | |
10 | which accompanies this distribution. The full text of the license may be found at\r | |
11 | http://opensource.org/licenses/bsd-license.php\r | |
12 | \r | |
13 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
14 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
15 | \r | |
16 | **/\r | |
17 | \r | |
18 | #include "Shell.h"\r | |
19 | #include "FileHandleInternal.h"\r | |
20 | \r | |
21 | #define MEM_WRITE_REALLOC_OVERHEAD 1024\r | |
22 | \r | |
23 | /**\r | |
24 | File style interface for console (Open). \r | |
25 | \r | |
26 | @param[in] This Ignored.\r | |
27 | @param[out] NewHandle Ignored.\r | |
28 | @param[in] FileName Ignored.\r | |
29 | @param[in] OpenMode Ignored.\r | |
30 | @param[in] Attributes Ignored.\r | |
31 | \r | |
32 | @retval EFI_NOT_FOUND\r | |
33 | **/\r | |
34 | EFI_STATUS\r | |
35 | EFIAPI\r | |
36 | FileInterfaceOpenNotFound(\r | |
37 | IN EFI_FILE_PROTOCOL *This,\r | |
38 | OUT EFI_FILE_PROTOCOL **NewHandle,\r | |
39 | IN CHAR16 *FileName,\r | |
40 | IN UINT64 OpenMode,\r | |
41 | IN UINT64 Attributes\r | |
42 | )\r | |
43 | {\r | |
44 | return (EFI_NOT_FOUND);\r | |
45 | }\r | |
46 | \r | |
47 | /**\r | |
48 | File style interface for console (Close, Delete, & Flush)\r | |
49 | \r | |
50 | @param[in] This Ignored.\r | |
51 | \r | |
52 | @retval EFI_SUCCESS\r | |
53 | **/\r | |
54 | EFI_STATUS\r | |
55 | EFIAPI\r | |
56 | FileInterfaceNopGeneric(\r | |
57 | IN EFI_FILE_PROTOCOL *This\r | |
58 | )\r | |
59 | {\r | |
60 | return (EFI_SUCCESS);\r | |
61 | }\r | |
62 | \r | |
63 | /**\r | |
64 | File style interface for console (GetPosition).\r | |
65 | \r | |
66 | @param[in] This Ignored.\r | |
67 | @param[out] Position Ignored.\r | |
68 | \r | |
69 | @retval EFI_UNSUPPORTED\r | |
70 | **/\r | |
71 | EFI_STATUS\r | |
72 | EFIAPI\r | |
73 | FileInterfaceNopGetPosition(\r | |
74 | IN EFI_FILE_PROTOCOL *This,\r | |
75 | OUT UINT64 *Position\r | |
76 | )\r | |
77 | {\r | |
78 | return (EFI_UNSUPPORTED);\r | |
79 | }\r | |
80 | \r | |
81 | /**\r | |
82 | File style interface for console (SetPosition).\r | |
83 | \r | |
84 | @param[in] This Ignored.\r | |
85 | @param[in] Position Ignored.\r | |
86 | \r | |
87 | @retval EFI_UNSUPPORTED\r | |
88 | **/\r | |
89 | EFI_STATUS\r | |
90 | EFIAPI\r | |
91 | FileInterfaceNopSetPosition(\r | |
92 | IN EFI_FILE_PROTOCOL *This,\r | |
93 | IN UINT64 Position\r | |
94 | )\r | |
95 | {\r | |
96 | return (EFI_UNSUPPORTED);\r | |
97 | }\r | |
98 | \r | |
99 | /**\r | |
100 | File style interface for console (GetInfo).\r | |
101 | \r | |
102 | @param[in] This Ignored.\r | |
103 | @param[in] InformationType Ignored.\r | |
104 | @param[in, out] BufferSize Ignored.\r | |
105 | @param[out] Buffer Ignored.\r | |
106 | \r | |
107 | @retval EFI_UNSUPPORTED\r | |
108 | **/\r | |
109 | EFI_STATUS\r | |
110 | EFIAPI\r | |
111 | FileInterfaceNopGetInfo(\r | |
112 | IN EFI_FILE_PROTOCOL *This,\r | |
113 | IN EFI_GUID *InformationType,\r | |
114 | IN OUT UINTN *BufferSize,\r | |
115 | OUT VOID *Buffer\r | |
116 | )\r | |
117 | {\r | |
118 | return (EFI_UNSUPPORTED);\r | |
119 | }\r | |
120 | \r | |
121 | /**\r | |
122 | File style interface for console (SetInfo).\r | |
123 | \r | |
124 | @param[in] This Ignored.\r | |
125 | @param[in] InformationType Ignored.\r | |
126 | @param[in] BufferSize Ignored.\r | |
127 | @param[in] Buffer Ignored.\r | |
128 | \r | |
129 | @retval EFI_UNSUPPORTED\r | |
130 | **/\r | |
131 | EFI_STATUS\r | |
132 | EFIAPI\r | |
133 | FileInterfaceNopSetInfo(\r | |
134 | IN EFI_FILE_PROTOCOL *This,\r | |
135 | IN EFI_GUID *InformationType,\r | |
136 | IN UINTN BufferSize,\r | |
137 | IN VOID *Buffer\r | |
138 | )\r | |
139 | {\r | |
140 | return (EFI_UNSUPPORTED);\r | |
141 | }\r | |
142 | \r | |
143 | /**\r | |
144 | File style interface for StdOut (Write).\r | |
145 | \r | |
146 | Writes data to the screen.\r | |
147 | \r | |
148 | @param[in] This The pointer to the EFI_FILE_PROTOCOL object.\r | |
149 | @param[in, out] BufferSize Size in bytes of Buffer.\r | |
150 | @param[in] Buffer The pointer to the buffer to write.\r | |
151 | \r | |
152 | @retval EFI_UNSUPPORTED No output console is supported.\r | |
153 | @return A return value from gST->ConOut->OutputString.\r | |
154 | **/\r | |
155 | EFI_STATUS\r | |
156 | EFIAPI\r | |
157 | FileInterfaceStdOutWrite(\r | |
158 | IN EFI_FILE_PROTOCOL *This,\r | |
159 | IN OUT UINTN *BufferSize,\r | |
160 | IN VOID *Buffer\r | |
161 | )\r | |
162 | {\r | |
163 | if (ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleOut) {\r | |
164 | return (EFI_UNSUPPORTED);\r | |
165 | }\r | |
166 | if (*((CHAR16 *)Buffer) == gUnicodeFileTag) {\r | |
167 | return (gST->ConOut->OutputString(gST->ConOut, (CHAR16 *)Buffer + 1));\r | |
168 | }\r | |
169 | return (gST->ConOut->OutputString(gST->ConOut, Buffer));\r | |
170 | }\r | |
171 | \r | |
172 | /**\r | |
173 | File style interface for StdIn (Write).\r | |
174 | \r | |
175 | @param[in] This Ignored.\r | |
176 | @param[in, out] BufferSize Ignored.\r | |
177 | @param[in] Buffer Ignored.\r | |
178 | \r | |
179 | @retval EFI_UNSUPPORTED\r | |
180 | **/\r | |
181 | EFI_STATUS\r | |
182 | EFIAPI\r | |
183 | FileInterfaceStdInWrite(\r | |
184 | IN EFI_FILE_PROTOCOL *This,\r | |
185 | IN OUT UINTN *BufferSize,\r | |
186 | IN VOID *Buffer\r | |
187 | )\r | |
188 | {\r | |
189 | return (EFI_UNSUPPORTED);\r | |
190 | }\r | |
191 | \r | |
192 | /**\r | |
193 | File style interface for console StdErr (Write).\r | |
194 | \r | |
195 | Writes error to the error output.\r | |
196 | \r | |
197 | @param[in] This The pointer to the EFI_FILE_PROTOCOL object.\r | |
198 | @param[in, out] BufferSize Size in bytes of Buffer.\r | |
199 | @param[in] Buffer The pointer to the buffer to write.\r | |
200 | \r | |
201 | @return A return value from gST->StdErr->OutputString.\r | |
202 | **/\r | |
203 | EFI_STATUS\r | |
204 | EFIAPI\r | |
205 | FileInterfaceStdErrWrite(\r | |
206 | IN EFI_FILE_PROTOCOL *This,\r | |
207 | IN OUT UINTN *BufferSize,\r | |
208 | IN VOID *Buffer\r | |
209 | )\r | |
210 | {\r | |
211 | return (gST->StdErr->OutputString(gST->StdErr, Buffer));\r | |
212 | }\r | |
213 | \r | |
214 | /**\r | |
215 | File style interface for console StdOut (Read).\r | |
216 | \r | |
217 | @param[in] This Ignored.\r | |
218 | @param[in, out] BufferSize Ignored.\r | |
219 | @param[out] Buffer Ignored.\r | |
220 | \r | |
221 | @retval EFI_UNSUPPORTED\r | |
222 | **/\r | |
223 | EFI_STATUS\r | |
224 | EFIAPI\r | |
225 | FileInterfaceStdOutRead(\r | |
226 | IN EFI_FILE_PROTOCOL *This,\r | |
227 | IN OUT UINTN *BufferSize,\r | |
228 | OUT VOID *Buffer\r | |
229 | )\r | |
230 | {\r | |
231 | return (EFI_UNSUPPORTED);\r | |
232 | }\r | |
233 | \r | |
234 | /**\r | |
235 | File style interface for console StdErr (Read).\r | |
236 | \r | |
237 | @param[in] This Ignored.\r | |
238 | @param[in, out] BufferSize Ignored.\r | |
239 | @param[out] Buffer Ignored.\r | |
240 | \r | |
241 | @retval EFI_UNSUPPORTED Always.\r | |
242 | **/\r | |
243 | EFI_STATUS\r | |
244 | EFIAPI\r | |
245 | FileInterfaceStdErrRead(\r | |
246 | IN EFI_FILE_PROTOCOL *This,\r | |
247 | IN OUT UINTN *BufferSize,\r | |
248 | OUT VOID *Buffer\r | |
249 | )\r | |
250 | {\r | |
251 | return (EFI_UNSUPPORTED);\r | |
252 | }\r | |
253 | \r | |
254 | /**\r | |
255 | File style interface for NUL file (Read).\r | |
256 | \r | |
257 | @param[in] This Ignored.\r | |
258 | @param[in, out] BufferSize Poiner to 0 upon return.\r | |
259 | @param[out] Buffer Ignored.\r | |
260 | \r | |
261 | @retval EFI_SUCCESS Always.\r | |
262 | **/\r | |
263 | EFI_STATUS\r | |
264 | EFIAPI\r | |
265 | FileInterfaceNulRead(\r | |
266 | IN EFI_FILE_PROTOCOL *This,\r | |
267 | IN OUT UINTN *BufferSize,\r | |
268 | OUT VOID *Buffer\r | |
269 | )\r | |
270 | {\r | |
271 | *BufferSize = 0;\r | |
272 | return (EFI_SUCCESS);\r | |
273 | }\r | |
274 | \r | |
275 | /**\r | |
276 | File style interface for NUL file (Write).\r | |
277 | \r | |
278 | @param[in] This Ignored.\r | |
279 | @param[in, out] BufferSize Ignored.\r | |
280 | @param[in] Buffer Ignored.\r | |
281 | \r | |
282 | @retval EFI_SUCCESS\r | |
283 | **/\r | |
284 | EFI_STATUS\r | |
285 | EFIAPI\r | |
286 | FileInterfaceNulWrite(\r | |
287 | IN EFI_FILE_PROTOCOL *This,\r | |
288 | IN OUT UINTN *BufferSize,\r | |
289 | IN VOID *Buffer\r | |
290 | )\r | |
291 | {\r | |
292 | return (EFI_SUCCESS);\r | |
293 | }\r | |
294 | \r | |
295 | /**\r | |
296 | File style interface for console (Read).\r | |
297 | \r | |
298 | This will return a single line of input from the console.\r | |
299 | \r | |
300 | @param This A pointer to the EFI_FILE_PROTOCOL instance that is the\r | |
301 | file handle to read data from. Not used.\r | |
302 | @param BufferSize On input, the size of the Buffer. On output, the amount\r | |
303 | of data returned in Buffer. In both cases, the size is\r | |
304 | measured in bytes.\r | |
305 | @param Buffer The buffer into which the data is read.\r | |
306 | \r | |
307 | \r | |
308 | @retval EFI_SUCCESS The data was read.\r | |
309 | @retval EFI_NO_MEDIA The device has no medium.\r | |
310 | @retval EFI_DEVICE_ERROR The device reported an error.\r | |
311 | @retval EFI_DEVICE_ERROR An attempt was made to read from a deleted file.\r | |
312 | @retval EFI_DEVICE_ERROR On entry, the current file position is beyond the end of the file.\r | |
313 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r | |
314 | @retval EFI_BUFFER_TOO_SMALL The BufferSize is too small to read the current directory\r | |
315 | entry. BufferSize has been updated with the size\r | |
316 | needed to complete the request.\r | |
317 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
318 | **/\r | |
319 | EFI_STATUS\r | |
320 | EFIAPI\r | |
321 | FileInterfaceStdInRead(\r | |
322 | IN EFI_FILE_PROTOCOL *This,\r | |
323 | IN OUT UINTN *BufferSize,\r | |
324 | OUT VOID *Buffer\r | |
325 | )\r | |
326 | {\r | |
327 | CHAR16 *CurrentString;\r | |
328 | BOOLEAN Done;\r | |
329 | UINTN Column; // Column of current cursor\r | |
330 | UINTN Row; // Row of current cursor\r | |
331 | UINTN StartColumn; // Column at the beginning of the line\r | |
332 | UINTN Update; // Line index for update\r | |
333 | UINTN Delete; // Num of chars to delete from console after update\r | |
334 | UINTN StringLen; // Total length of the line\r | |
335 | UINTN StringCurPos; // Line index corresponding to the cursor\r | |
336 | UINTN MaxStr; // Maximum possible line length\r | |
337 | UINTN Index;\r | |
338 | UINTN TotalColumn; // Num of columns in the console\r | |
339 | UINTN TotalRow; // Num of rows in the console\r | |
340 | UINTN SkipLength;\r | |
341 | UINTN OutputLength; // Length of the update string\r | |
342 | UINTN TailRow; // Row of end of line\r | |
343 | UINTN TailColumn; // Column of end of line\r | |
344 | EFI_INPUT_KEY Key;\r | |
345 | \r | |
346 | BUFFER_LIST *LinePos;\r | |
347 | BUFFER_LIST *NewPos;\r | |
348 | BOOLEAN InScrolling;\r | |
349 | EFI_STATUS Status;\r | |
350 | BOOLEAN InTabScrolling; // Whether in TAB-completion state\r | |
351 | EFI_SHELL_FILE_INFO *FoundFileList;\r | |
352 | EFI_SHELL_FILE_INFO *TabLinePos;\r | |
353 | EFI_SHELL_FILE_INFO *TempPos;\r | |
354 | CHAR16 *TabStr;\r | |
355 | CHAR16 *TabOutputStr;\r | |
356 | BOOLEAN InQuotationMode;\r | |
357 | CHAR16 *TempStr;\r | |
358 | UINTN TabPos; // Start index of the string to search for TAB completion.\r | |
359 | UINTN TabUpdatePos; // Start index of the string updated by TAB stroke\r | |
360 | // UINTN Count;\r | |
361 | UINTN EventIndex;\r | |
362 | CONST CHAR16 *Cwd;\r | |
363 | \r | |
364 | //\r | |
365 | // If buffer is not large enough to hold a CHAR16, return minimum buffer size\r | |
366 | //\r | |
367 | if (*BufferSize < sizeof (CHAR16) * 2) {\r | |
368 | *BufferSize = sizeof (CHAR16) * 2;\r | |
369 | return (EFI_BUFFER_TOO_SMALL);\r | |
370 | }\r | |
371 | \r | |
372 | Done = FALSE;\r | |
373 | CurrentString = Buffer;\r | |
374 | StringLen = 0;\r | |
375 | StringCurPos = 0;\r | |
376 | OutputLength = 0;\r | |
377 | Update = 0;\r | |
378 | Delete = 0;\r | |
379 | LinePos = NewPos = (BUFFER_LIST*)(&ShellInfoObject.ViewingSettings.CommandHistory);\r | |
380 | InScrolling = FALSE;\r | |
381 | InTabScrolling = FALSE;\r | |
382 | Status = EFI_SUCCESS;\r | |
383 | TabLinePos = NULL;\r | |
384 | FoundFileList = NULL;\r | |
385 | TempPos = NULL;\r | |
386 | TabPos = 0;\r | |
387 | TabUpdatePos = 0;\r | |
388 | \r | |
389 | //\r | |
390 | // Allocate buffers\r | |
391 | //\r | |
392 | TabStr = AllocateZeroPool (*BufferSize);\r | |
393 | if (TabStr == NULL) {\r | |
394 | return EFI_OUT_OF_RESOURCES;\r | |
395 | }\r | |
396 | TabOutputStr = AllocateZeroPool (*BufferSize);\r | |
397 | if (TabOutputStr == NULL) {\r | |
398 | FreePool(TabStr);\r | |
399 | return EFI_OUT_OF_RESOURCES;\r | |
400 | }\r | |
401 | \r | |
402 | //\r | |
403 | // Get the screen setting and the current cursor location\r | |
404 | //\r | |
405 | Column = StartColumn = gST->ConOut->Mode->CursorColumn;\r | |
406 | Row = gST->ConOut->Mode->CursorRow;\r | |
407 | gST->ConOut->QueryMode (gST->ConOut, gST->ConOut->Mode->Mode, &TotalColumn, &TotalRow);\r | |
408 | \r | |
409 | //\r | |
410 | // Limit the line length to the buffer size or the minimun size of the\r | |
411 | // screen. (The smaller takes effect)\r | |
412 | //\r | |
413 | MaxStr = TotalColumn * (TotalRow - 1) - StartColumn;\r | |
414 | if (MaxStr > *BufferSize / sizeof (CHAR16)) {\r | |
415 | MaxStr = *BufferSize / sizeof (CHAR16);\r | |
416 | }\r | |
417 | ZeroMem (CurrentString, MaxStr * sizeof (CHAR16));\r | |
418 | do {\r | |
419 | //\r | |
420 | // Read a key\r | |
421 | //\r | |
422 | gBS->WaitForEvent (1, &gST->ConIn->WaitForKey, &EventIndex);\r | |
423 | Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);\r | |
424 | if (EFI_ERROR (Status)) {\r | |
425 | \r | |
426 | if (Status == EFI_NOT_READY)\r | |
427 | continue;\r | |
428 | \r | |
429 | ZeroMem (CurrentString, MaxStr * sizeof(CHAR16));\r | |
430 | StringLen = 0;\r | |
431 | break;\r | |
432 | }\r | |
433 | \r | |
434 | //\r | |
435 | // Press PageUp or PageDown to scroll the history screen up or down.\r | |
436 | // Press any other key to quit scrolling.\r | |
437 | //\r | |
438 | if (Key.UnicodeChar == 0 && (Key.ScanCode == SCAN_PAGE_UP || Key.ScanCode == SCAN_PAGE_DOWN)) {\r | |
439 | if (Key.ScanCode == SCAN_PAGE_UP) {\r | |
440 | ConsoleLoggerDisplayHistory(FALSE, 0, ShellInfoObject.ConsoleInfo);\r | |
441 | } else if (Key.ScanCode == SCAN_PAGE_DOWN) {\r | |
442 | ConsoleLoggerDisplayHistory(TRUE, 0, ShellInfoObject.ConsoleInfo);\r | |
443 | }\r | |
444 | \r | |
445 | InScrolling = TRUE;\r | |
446 | } else {\r | |
447 | if (InScrolling) {\r | |
448 | ConsoleLoggerStopHistory(ShellInfoObject.ConsoleInfo);\r | |
449 | InScrolling = FALSE;\r | |
450 | }\r | |
451 | }\r | |
452 | \r | |
453 | //\r | |
454 | // If we are quitting TAB scrolling...\r | |
455 | //\r | |
456 | if (InTabScrolling && Key.UnicodeChar != CHAR_TAB) {\r | |
457 | if (FoundFileList != NULL) {\r | |
458 | ShellInfoObject.NewEfiShellProtocol->FreeFileList (&FoundFileList);\r | |
459 | DEBUG_CODE(FoundFileList = NULL;);\r | |
460 | }\r | |
461 | InTabScrolling = FALSE;\r | |
462 | }\r | |
463 | \r | |
464 | switch (Key.UnicodeChar) {\r | |
465 | case CHAR_CARRIAGE_RETURN:\r | |
466 | //\r | |
467 | // All done, print a newline at the end of the string\r | |
468 | //\r | |
469 | TailRow = Row + (StringLen - StringCurPos + Column) / TotalColumn;\r | |
470 | TailColumn = (StringLen - StringCurPos + Column) % TotalColumn;\r | |
471 | ShellPrintEx ((INT32)TailColumn, (INT32)TailRow, L"%N\n");\r | |
472 | Done = TRUE;\r | |
473 | break;\r | |
474 | \r | |
475 | case CHAR_BACKSPACE:\r | |
476 | if (StringCurPos != 0) {\r | |
477 | //\r | |
478 | // If not move back beyond string beginning, move all characters behind\r | |
479 | // the current position one character forward\r | |
480 | //\r | |
481 | StringCurPos--;\r | |
482 | Update = StringCurPos;\r | |
483 | Delete = 1;\r | |
484 | CopyMem (CurrentString + StringCurPos, CurrentString + StringCurPos + 1, sizeof (CHAR16) * (StringLen - StringCurPos));\r | |
485 | \r | |
486 | //\r | |
487 | // Adjust the current column and row\r | |
488 | //\r | |
489 | MoveCursorBackward (TotalColumn, &Column, &Row);\r | |
490 | }\r | |
491 | break;\r | |
492 | \r | |
493 | case CHAR_TAB:\r | |
494 | //\r | |
495 | // handle auto complete of file and directory names...\r | |
496 | //\r | |
497 | if (InTabScrolling) {\r | |
498 | ASSERT(FoundFileList != NULL);\r | |
499 | ASSERT(TabLinePos != NULL);\r | |
500 | TabLinePos = (EFI_SHELL_FILE_INFO*)GetNextNode(&(FoundFileList->Link), &TabLinePos->Link);\r | |
501 | if (IsNull(&(FoundFileList->Link), &TabLinePos->Link)) {\r | |
502 | TabLinePos = (EFI_SHELL_FILE_INFO*)GetNextNode(&(FoundFileList->Link), &TabLinePos->Link);\r | |
503 | }\r | |
504 | } else {\r | |
505 | TabPos = 0;\r | |
506 | TabUpdatePos = 0;\r | |
507 | InQuotationMode = FALSE;\r | |
508 | for (Index = 0; Index < StringLen; Index++) {\r | |
509 | if (CurrentString[Index] == L'\"') {\r | |
510 | InQuotationMode = (BOOLEAN)(!InQuotationMode);\r | |
511 | }\r | |
512 | if (CurrentString[Index] == L' ' && !InQuotationMode) {\r | |
513 | TabPos = Index + 1;\r | |
514 | TabUpdatePos = Index + 1;\r | |
515 | }\r | |
516 | if (CurrentString[Index] == L'\\') {\r | |
517 | TabUpdatePos = Index + 1;\r | |
518 | }\r | |
519 | }\r | |
520 | if (StrStr(CurrentString + TabPos, L":") == NULL) {\r | |
521 | Cwd = ShellInfoObject.NewEfiShellProtocol->GetCurDir(NULL);\r | |
522 | if (Cwd != NULL) {\r | |
523 | StrnCpyS(TabStr, (*BufferSize)/sizeof(CHAR16), Cwd, (*BufferSize)/sizeof(CHAR16) - 1);\r | |
524 | StrCatS(TabStr, (*BufferSize)/sizeof(CHAR16), L"\\");\r | |
525 | if (TabStr[StrLen(TabStr)-1] == L'\\' && *(CurrentString + TabPos) == L'\\' ) {\r | |
526 | TabStr[StrLen(TabStr)-1] = CHAR_NULL;\r | |
527 | }\r | |
528 | StrnCatS( TabStr, \r | |
529 | (*BufferSize)/sizeof(CHAR16), \r | |
530 | CurrentString + TabPos, \r | |
531 | StringLen - TabPos\r | |
532 | );\r | |
533 | } else {\r | |
534 | *TabStr = CHAR_NULL;\r | |
535 | StrnCatS(TabStr, (*BufferSize)/sizeof(CHAR16), CurrentString + TabPos, StringLen - TabPos);\r | |
536 | }\r | |
537 | } else {\r | |
538 | StrnCpyS(TabStr, (*BufferSize)/sizeof(CHAR16), CurrentString + TabPos, (*BufferSize)/sizeof(CHAR16) - 1);\r | |
539 | }\r | |
540 | StrnCatS(TabStr, (*BufferSize)/sizeof(CHAR16), L"*", (*BufferSize)/sizeof(CHAR16) - 1 - StrLen(TabStr));\r | |
541 | FoundFileList = NULL;\r | |
542 | Status = ShellInfoObject.NewEfiShellProtocol->FindFiles(TabStr, &FoundFileList);\r | |
543 | for ( TempStr = CurrentString\r | |
544 | ; *TempStr == L' '\r | |
545 | ; TempStr++); // note the ';'... empty for loop\r | |
546 | //\r | |
547 | // make sure we have a list before we do anything more...\r | |
548 | //\r | |
549 | if (EFI_ERROR (Status) || FoundFileList == NULL) {\r | |
550 | InTabScrolling = FALSE;\r | |
551 | TabLinePos = NULL;\r | |
552 | continue;\r | |
553 | } else {\r | |
554 | //\r | |
555 | // enumerate through the list of files\r | |
556 | //\r | |
557 | for ( TempPos = (EFI_SHELL_FILE_INFO*)GetFirstNode(&(FoundFileList->Link))\r | |
558 | ; !IsNull(&FoundFileList->Link, &TempPos->Link)\r | |
559 | ; TempPos = (EFI_SHELL_FILE_INFO*)GetNextNode(&(FoundFileList->Link), &(TempPos->Link))\r | |
560 | ){\r | |
561 | //\r | |
562 | // If "cd" is typed, only directory name will be auto-complete filled\r | |
563 | // in either case . and .. will be removed.\r | |
564 | //\r | |
565 | if ((((TempStr[0] == L'c' || TempStr[0] == L'C') &&\r | |
566 | (TempStr[1] == L'd' || TempStr[1] == L'D')\r | |
567 | ) && ((ShellIsDirectory(TempPos->FullName) != EFI_SUCCESS)\r | |
568 | ||(StrCmp(TempPos->FileName, L".") == 0)\r | |
569 | ||(StrCmp(TempPos->FileName, L"..") == 0)\r | |
570 | )) || ((StrCmp(TempPos->FileName, L".") == 0)\r | |
571 | ||(StrCmp(TempPos->FileName, L"..") == 0))){\r | |
572 | TabLinePos = TempPos;\r | |
573 | TempPos = (EFI_SHELL_FILE_INFO*)(RemoveEntryList(&(TempPos->Link))->BackLink);\r | |
574 | InternalFreeShellFileInfoNode(TabLinePos);\r | |
575 | }\r | |
576 | }\r | |
577 | if (FoundFileList != NULL && !IsListEmpty(&FoundFileList->Link)) {\r | |
578 | TabLinePos = (EFI_SHELL_FILE_INFO*)GetFirstNode(&FoundFileList->Link);\r | |
579 | InTabScrolling = TRUE;\r | |
580 | } else {\r | |
581 | ShellInfoObject.NewEfiShellProtocol->FreeFileList (&FoundFileList);\r | |
582 | }\r | |
583 | }\r | |
584 | }\r | |
585 | break;\r | |
586 | \r | |
587 | default:\r | |
588 | if (Key.UnicodeChar >= ' ') {\r | |
589 | //\r | |
590 | // If we are at the buffer's end, drop the key\r | |
591 | //\r | |
592 | if (StringLen == MaxStr - 1 && (ShellInfoObject.ViewingSettings.InsertMode || StringCurPos == StringLen)) {\r | |
593 | break;\r | |
594 | }\r | |
595 | //\r | |
596 | // If in insert mode, make space by moving each other character 1\r | |
597 | // space higher in the array\r | |
598 | //\r | |
599 | if (ShellInfoObject.ViewingSettings.InsertMode) {\r | |
600 | CopyMem(CurrentString + StringCurPos + 1, CurrentString + StringCurPos, (StringLen - StringCurPos)*sizeof(CurrentString[0]));\r | |
601 | }\r | |
602 | \r | |
603 | CurrentString[StringCurPos] = Key.UnicodeChar;\r | |
604 | Update = StringCurPos;\r | |
605 | \r | |
606 | StringCurPos += 1;\r | |
607 | OutputLength = 1;\r | |
608 | }\r | |
609 | break;\r | |
610 | \r | |
611 | case 0:\r | |
612 | switch (Key.ScanCode) {\r | |
613 | case SCAN_DELETE:\r | |
614 | //\r | |
615 | // Move characters behind current position one character forward\r | |
616 | //\r | |
617 | if (StringLen != 0) {\r | |
618 | Update = StringCurPos;\r | |
619 | Delete = 1;\r | |
620 | CopyMem (CurrentString + StringCurPos, CurrentString + StringCurPos + 1, sizeof (CHAR16) * (StringLen - StringCurPos));\r | |
621 | }\r | |
622 | break;\r | |
623 | \r | |
624 | case SCAN_UP:\r | |
625 | //\r | |
626 | // Prepare to print the previous command\r | |
627 | //\r | |
628 | NewPos = (BUFFER_LIST*)GetPreviousNode(&ShellInfoObject.ViewingSettings.CommandHistory.Link, &LinePos->Link);\r | |
629 | if (IsNull(&ShellInfoObject.ViewingSettings.CommandHistory.Link, &LinePos->Link)) {\r | |
630 | NewPos = (BUFFER_LIST*)GetPreviousNode(&ShellInfoObject.ViewingSettings.CommandHistory.Link, &LinePos->Link);\r | |
631 | }\r | |
632 | break;\r | |
633 | \r | |
634 | case SCAN_DOWN:\r | |
635 | //\r | |
636 | // Prepare to print the next command\r | |
637 | //\r | |
638 | NewPos = (BUFFER_LIST*)GetNextNode(&ShellInfoObject.ViewingSettings.CommandHistory.Link, &LinePos->Link);\r | |
639 | if (NewPos == (BUFFER_LIST*)(&ShellInfoObject.ViewingSettings.CommandHistory)) {\r | |
640 | NewPos = (BUFFER_LIST*)GetNextNode(&ShellInfoObject.ViewingSettings.CommandHistory.Link, &LinePos->Link);\r | |
641 | }\r | |
642 | break;\r | |
643 | \r | |
644 | case SCAN_LEFT:\r | |
645 | //\r | |
646 | // Adjust current cursor position\r | |
647 | //\r | |
648 | if (StringCurPos != 0) {\r | |
649 | --StringCurPos;\r | |
650 | MoveCursorBackward (TotalColumn, &Column, &Row);\r | |
651 | }\r | |
652 | break;\r | |
653 | \r | |
654 | case SCAN_RIGHT:\r | |
655 | //\r | |
656 | // Adjust current cursor position\r | |
657 | //\r | |
658 | if (StringCurPos < StringLen) {\r | |
659 | ++StringCurPos;\r | |
660 | MoveCursorForward (TotalColumn, TotalRow, &Column, &Row);\r | |
661 | }\r | |
662 | break;\r | |
663 | \r | |
664 | case SCAN_HOME:\r | |
665 | //\r | |
666 | // Move current cursor position to the beginning of the command line\r | |
667 | //\r | |
668 | Row -= (StringCurPos + StartColumn) / TotalColumn;\r | |
669 | Column = StartColumn;\r | |
670 | StringCurPos = 0;\r | |
671 | break;\r | |
672 | \r | |
673 | case SCAN_END:\r | |
674 | //\r | |
675 | // Move current cursor position to the end of the command line\r | |
676 | //\r | |
677 | TailRow = Row + (StringLen - StringCurPos + Column) / TotalColumn;\r | |
678 | TailColumn = (StringLen - StringCurPos + Column) % TotalColumn;\r | |
679 | Row = TailRow;\r | |
680 | Column = TailColumn;\r | |
681 | StringCurPos = StringLen;\r | |
682 | break;\r | |
683 | \r | |
684 | case SCAN_ESC:\r | |
685 | //\r | |
686 | // Prepare to clear the current command line\r | |
687 | //\r | |
688 | CurrentString[0] = 0;\r | |
689 | Update = 0;\r | |
690 | Delete = StringLen;\r | |
691 | Row -= (StringCurPos + StartColumn) / TotalColumn;\r | |
692 | Column = StartColumn;\r | |
693 | OutputLength = 0;\r | |
694 | break;\r | |
695 | \r | |
696 | case SCAN_INSERT:\r | |
697 | //\r | |
698 | // Toggle the SEnvInsertMode flag\r | |
699 | //\r | |
700 | ShellInfoObject.ViewingSettings.InsertMode = (BOOLEAN)!ShellInfoObject.ViewingSettings.InsertMode;\r | |
701 | break;\r | |
702 | \r | |
703 | case SCAN_F7:\r | |
704 | //\r | |
705 | // Print command history\r | |
706 | //\r | |
707 | PrintCommandHistory (TotalColumn, TotalRow, 4);\r | |
708 | *CurrentString = CHAR_NULL;\r | |
709 | Done = TRUE;\r | |
710 | break;\r | |
711 | }\r | |
712 | }\r | |
713 | \r | |
714 | if (Done) {\r | |
715 | break;\r | |
716 | }\r | |
717 | \r | |
718 | //\r | |
719 | // If we are in auto-complete mode, we are preparing to print\r | |
720 | // the next file or directory name\r | |
721 | //\r | |
722 | if (InTabScrolling) {\r | |
723 | //\r | |
724 | // Adjust the column and row to the start of TAB-completion string.\r | |
725 | //\r | |
726 | Column = (StartColumn + TabUpdatePos) % TotalColumn;\r | |
727 | Row -= (StartColumn + StringCurPos) / TotalColumn - (StartColumn + TabUpdatePos) / TotalColumn;\r | |
728 | OutputLength = StrLen (TabLinePos->FileName);\r | |
729 | //\r | |
730 | // if the output string contains blank space, quotation marks L'\"'\r | |
731 | // should be added to the output.\r | |
732 | //\r | |
733 | if (StrStr(TabLinePos->FileName, L" ") != NULL){\r | |
734 | TabOutputStr[0] = L'\"';\r | |
735 | CopyMem (TabOutputStr + 1, TabLinePos->FileName, OutputLength * sizeof (CHAR16));\r | |
736 | TabOutputStr[OutputLength + 1] = L'\"';\r | |
737 | TabOutputStr[OutputLength + 2] = CHAR_NULL;\r | |
738 | } else {\r | |
739 | CopyMem (TabOutputStr, TabLinePos->FileName, OutputLength * sizeof (CHAR16));\r | |
740 | TabOutputStr[OutputLength] = CHAR_NULL;\r | |
741 | }\r | |
742 | OutputLength = StrLen (TabOutputStr) < MaxStr - 1 ? StrLen (TabOutputStr) : MaxStr - 1;\r | |
743 | CopyMem (CurrentString + TabUpdatePos, TabOutputStr, OutputLength * sizeof (CHAR16));\r | |
744 | CurrentString[TabUpdatePos + OutputLength] = CHAR_NULL;\r | |
745 | StringCurPos = TabUpdatePos + OutputLength;\r | |
746 | Update = TabUpdatePos;\r | |
747 | if (StringLen > TabUpdatePos + OutputLength) {\r | |
748 | Delete = StringLen - TabUpdatePos - OutputLength;\r | |
749 | }\r | |
750 | }\r | |
751 | \r | |
752 | //\r | |
753 | // If we have a new position, we are preparing to print a previous or\r | |
754 | // next command.\r | |
755 | //\r | |
756 | if (NewPos != (BUFFER_LIST*)(&ShellInfoObject.ViewingSettings.CommandHistory)) {\r | |
757 | Column = StartColumn;\r | |
758 | Row -= (StringCurPos + StartColumn) / TotalColumn;\r | |
759 | \r | |
760 | LinePos = NewPos;\r | |
761 | NewPos = (BUFFER_LIST*)(&ShellInfoObject.ViewingSettings.CommandHistory);\r | |
762 | \r | |
763 | OutputLength = StrLen (LinePos->Buffer) < MaxStr - 1 ? StrLen (LinePos->Buffer) : MaxStr - 1;\r | |
764 | CopyMem (CurrentString, LinePos->Buffer, OutputLength * sizeof (CHAR16));\r | |
765 | CurrentString[OutputLength] = CHAR_NULL;\r | |
766 | \r | |
767 | StringCurPos = OutputLength;\r | |
768 | \r | |
769 | //\r | |
770 | // Draw new input string\r | |
771 | //\r | |
772 | Update = 0;\r | |
773 | if (StringLen > OutputLength) {\r | |
774 | //\r | |
775 | // If old string was longer, blank its tail\r | |
776 | //\r | |
777 | Delete = StringLen - OutputLength;\r | |
778 | }\r | |
779 | }\r | |
780 | //\r | |
781 | // If we need to update the output do so now\r | |
782 | //\r | |
783 | if (Update != (UINTN) -1) {\r | |
784 | ShellPrintEx ((INT32)Column, (INT32)Row, L"%s%.*s", CurrentString + Update, Delete, L"");\r | |
785 | StringLen = StrLen (CurrentString);\r | |
786 | \r | |
787 | if (Delete != 0) {\r | |
788 | SetMem (CurrentString + StringLen, Delete * sizeof (CHAR16), CHAR_NULL);\r | |
789 | }\r | |
790 | \r | |
791 | if (StringCurPos > StringLen) {\r | |
792 | StringCurPos = StringLen;\r | |
793 | }\r | |
794 | \r | |
795 | Update = (UINTN) -1;\r | |
796 | \r | |
797 | //\r | |
798 | // After using print to reflect newly updates, if we're not using\r | |
799 | // BACKSPACE and DELETE, we need to move the cursor position forward,\r | |
800 | // so adjust row and column here.\r | |
801 | //\r | |
802 | if (Key.UnicodeChar != CHAR_BACKSPACE && !(Key.UnicodeChar == 0 && Key.ScanCode == SCAN_DELETE)) {\r | |
803 | //\r | |
804 | // Calulate row and column of the tail of current string\r | |
805 | //\r | |
806 | TailRow = Row + (StringLen - StringCurPos + Column + OutputLength) / TotalColumn;\r | |
807 | TailColumn = (StringLen - StringCurPos + Column + OutputLength) % TotalColumn;\r | |
808 | \r | |
809 | //\r | |
810 | // If the tail of string reaches screen end, screen rolls up, so if\r | |
811 | // Row does not equal TailRow, Row should be decremented\r | |
812 | //\r | |
813 | // (if we are recalling commands using UPPER and DOWN key, and if the\r | |
814 | // old command is too long to fit the screen, TailColumn must be 79.\r | |
815 | //\r | |
816 | if (TailColumn == 0 && TailRow >= TotalRow && Row != TailRow) {\r | |
817 | Row--;\r | |
818 | }\r | |
819 | //\r | |
820 | // Calculate the cursor position after current operation. If cursor\r | |
821 | // reaches line end, update both row and column, otherwise, only\r | |
822 | // column will be changed.\r | |
823 | //\r | |
824 | if (Column + OutputLength >= TotalColumn) {\r | |
825 | SkipLength = OutputLength - (TotalColumn - Column);\r | |
826 | \r | |
827 | Row += SkipLength / TotalColumn + 1;\r | |
828 | if (Row > TotalRow - 1) {\r | |
829 | Row = TotalRow - 1;\r | |
830 | }\r | |
831 | \r | |
832 | Column = SkipLength % TotalColumn;\r | |
833 | } else {\r | |
834 | Column += OutputLength;\r | |
835 | }\r | |
836 | }\r | |
837 | \r | |
838 | Delete = 0;\r | |
839 | }\r | |
840 | //\r | |
841 | // Set the cursor position for this key\r | |
842 | //\r | |
843 | gST->ConOut->SetCursorPosition (gST->ConOut, Column, Row);\r | |
844 | } while (!Done);\r | |
845 | \r | |
846 | if (CurrentString != NULL && StrLen(CurrentString) > 0) {\r | |
847 | //\r | |
848 | // add the line to the history buffer\r | |
849 | //\r | |
850 | AddLineToCommandHistory(CurrentString);\r | |
851 | }\r | |
852 | \r | |
853 | FreePool (TabStr);\r | |
854 | FreePool (TabOutputStr);\r | |
855 | //\r | |
856 | // Return the data to the caller\r | |
857 | //\r | |
858 | *BufferSize = StringLen * sizeof (CHAR16);\r | |
859 | \r | |
860 | //\r | |
861 | // if this was used it should be deallocated by now...\r | |
862 | // prevent memory leaks...\r | |
863 | //\r | |
864 | if (FoundFileList != NULL) {\r | |
865 | ShellInfoObject.NewEfiShellProtocol->FreeFileList (&FoundFileList);\r | |
866 | }\r | |
867 | ASSERT(FoundFileList == NULL);\r | |
868 | \r | |
869 | return Status;\r | |
870 | }\r | |
871 | \r | |
872 | //\r | |
873 | // FILE sytle interfaces for StdIn/StdOut/StdErr\r | |
874 | //\r | |
875 | EFI_FILE_PROTOCOL FileInterfaceStdIn = {\r | |
876 | EFI_FILE_REVISION,\r | |
877 | FileInterfaceOpenNotFound,\r | |
878 | FileInterfaceNopGeneric,\r | |
879 | FileInterfaceNopGeneric,\r | |
880 | FileInterfaceStdInRead,\r | |
881 | FileInterfaceStdInWrite,\r | |
882 | FileInterfaceNopGetPosition,\r | |
883 | FileInterfaceNopSetPosition,\r | |
884 | FileInterfaceNopGetInfo,\r | |
885 | FileInterfaceNopSetInfo,\r | |
886 | FileInterfaceNopGeneric\r | |
887 | };\r | |
888 | \r | |
889 | EFI_FILE_PROTOCOL FileInterfaceStdOut = {\r | |
890 | EFI_FILE_REVISION,\r | |
891 | FileInterfaceOpenNotFound,\r | |
892 | FileInterfaceNopGeneric,\r | |
893 | FileInterfaceNopGeneric,\r | |
894 | FileInterfaceStdOutRead,\r | |
895 | FileInterfaceStdOutWrite,\r | |
896 | FileInterfaceNopGetPosition,\r | |
897 | FileInterfaceNopSetPosition,\r | |
898 | FileInterfaceNopGetInfo,\r | |
899 | FileInterfaceNopSetInfo,\r | |
900 | FileInterfaceNopGeneric\r | |
901 | };\r | |
902 | \r | |
903 | EFI_FILE_PROTOCOL FileInterfaceStdErr = {\r | |
904 | EFI_FILE_REVISION,\r | |
905 | FileInterfaceOpenNotFound,\r | |
906 | FileInterfaceNopGeneric,\r | |
907 | FileInterfaceNopGeneric,\r | |
908 | FileInterfaceStdErrRead,\r | |
909 | FileInterfaceStdErrWrite,\r | |
910 | FileInterfaceNopGetPosition,\r | |
911 | FileInterfaceNopSetPosition,\r | |
912 | FileInterfaceNopGetInfo,\r | |
913 | FileInterfaceNopSetInfo,\r | |
914 | FileInterfaceNopGeneric\r | |
915 | };\r | |
916 | \r | |
917 | EFI_FILE_PROTOCOL FileInterfaceNulFile = {\r | |
918 | EFI_FILE_REVISION,\r | |
919 | FileInterfaceOpenNotFound,\r | |
920 | FileInterfaceNopGeneric,\r | |
921 | FileInterfaceNopGeneric,\r | |
922 | FileInterfaceNulRead,\r | |
923 | FileInterfaceNulWrite,\r | |
924 | FileInterfaceNopGetPosition,\r | |
925 | FileInterfaceNopSetPosition,\r | |
926 | FileInterfaceNopGetInfo,\r | |
927 | FileInterfaceNopSetInfo,\r | |
928 | FileInterfaceNopGeneric\r | |
929 | };\r | |
930 | \r | |
931 | \r | |
932 | \r | |
933 | \r | |
934 | //\r | |
935 | // This is identical to EFI_FILE_PROTOCOL except for the additional member\r | |
936 | // for the name.\r | |
937 | //\r | |
938 | \r | |
939 | typedef struct {\r | |
940 | UINT64 Revision;\r | |
941 | EFI_FILE_OPEN Open;\r | |
942 | EFI_FILE_CLOSE Close;\r | |
943 | EFI_FILE_DELETE Delete;\r | |
944 | EFI_FILE_READ Read;\r | |
945 | EFI_FILE_WRITE Write;\r | |
946 | EFI_FILE_GET_POSITION GetPosition;\r | |
947 | EFI_FILE_SET_POSITION SetPosition;\r | |
948 | EFI_FILE_GET_INFO GetInfo;\r | |
949 | EFI_FILE_SET_INFO SetInfo;\r | |
950 | EFI_FILE_FLUSH Flush;\r | |
951 | CHAR16 Name[1];\r | |
952 | } EFI_FILE_PROTOCOL_ENVIRONMENT;\r | |
953 | //ANSI compliance helper to get size of the struct.\r | |
954 | #define SIZE_OF_EFI_FILE_PROTOCOL_ENVIRONMENT EFI_FIELD_OFFSET (EFI_FILE_PROTOCOL_ENVIRONMENT, Name)\r | |
955 | \r | |
956 | /**\r | |
957 | File style interface for Environment Variable (Close).\r | |
958 | \r | |
959 | Frees the memory for this object.\r | |
960 | \r | |
961 | @param[in] This The pointer to the EFI_FILE_PROTOCOL object.\r | |
962 | \r | |
963 | @retval EFI_SUCCESS\r | |
964 | **/\r | |
965 | EFI_STATUS\r | |
966 | EFIAPI\r | |
967 | FileInterfaceEnvClose(\r | |
968 | IN EFI_FILE_PROTOCOL *This\r | |
969 | )\r | |
970 | {\r | |
971 | VOID* NewBuffer;\r | |
972 | UINTN NewSize;\r | |
973 | EFI_STATUS Status;\r | |
974 | BOOLEAN Volatile;\r | |
975 | \r | |
976 | //\r | |
977 | // Most if not all UEFI commands will have an '\r\n' at the end of any output. \r | |
978 | // Since the output was redirected to a variable, it does not make sense to \r | |
979 | // keep this. So, before closing, strip the trailing '\r\n' from the variable\r | |
980 | // if it exists.\r | |
981 | //\r | |
982 | NewBuffer = NULL;\r | |
983 | NewSize = 0;\r | |
984 | \r | |
985 | Status = IsVolatileEnv (((EFI_FILE_PROTOCOL_ENVIRONMENT*)This)->Name, &Volatile);\r | |
986 | if (EFI_ERROR (Status)) {\r | |
987 | return Status;\r | |
988 | }\r | |
989 | \r | |
990 | Status = SHELL_GET_ENVIRONMENT_VARIABLE(((EFI_FILE_PROTOCOL_ENVIRONMENT*)This)->Name, &NewSize, NewBuffer);\r | |
991 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
992 | NewBuffer = AllocateZeroPool(NewSize + sizeof(CHAR16));\r | |
993 | if (NewBuffer == NULL) {\r | |
994 | return EFI_OUT_OF_RESOURCES;\r | |
995 | } \r | |
996 | Status = SHELL_GET_ENVIRONMENT_VARIABLE(((EFI_FILE_PROTOCOL_ENVIRONMENT*)This)->Name, &NewSize, NewBuffer);\r | |
997 | }\r | |
998 | \r | |
999 | if (!EFI_ERROR(Status) && NewBuffer != NULL) {\r | |
1000 | \r | |
1001 | if (StrSize(NewBuffer) > 6)\r | |
1002 | {\r | |
1003 | if ((((CHAR16*)NewBuffer)[(StrSize(NewBuffer)/2) - 2] == CHAR_LINEFEED) \r | |
1004 | && (((CHAR16*)NewBuffer)[(StrSize(NewBuffer)/2) - 3] == CHAR_CARRIAGE_RETURN)) {\r | |
1005 | ((CHAR16*)NewBuffer)[(StrSize(NewBuffer)/2) - 3] = CHAR_NULL; \r | |
1006 | }\r | |
1007 | \r | |
1008 | if (Volatile) {\r | |
1009 | Status = SHELL_SET_ENVIRONMENT_VARIABLE_V(((EFI_FILE_PROTOCOL_ENVIRONMENT*)This)->Name, StrSize(NewBuffer), NewBuffer);\r | |
1010 | } else {\r | |
1011 | Status = SHELL_SET_ENVIRONMENT_VARIABLE_NV(((EFI_FILE_PROTOCOL_ENVIRONMENT*)This)->Name, StrSize(NewBuffer), NewBuffer);\r | |
1012 | }\r | |
1013 | }\r | |
1014 | } \r | |
1015 | \r | |
1016 | SHELL_FREE_NON_NULL(NewBuffer);\r | |
1017 | FreePool((EFI_FILE_PROTOCOL_ENVIRONMENT*)This);\r | |
1018 | return (Status);\r | |
1019 | }\r | |
1020 | \r | |
1021 | /**\r | |
1022 | File style interface for Environment Variable (Delete).\r | |
1023 | \r | |
1024 | @param[in] This The pointer to the EFI_FILE_PROTOCOL object.\r | |
1025 | \r | |
1026 | @retval The return value from FileInterfaceEnvClose().\r | |
1027 | **/\r | |
1028 | EFI_STATUS\r | |
1029 | EFIAPI\r | |
1030 | FileInterfaceEnvDelete(\r | |
1031 | IN EFI_FILE_PROTOCOL *This\r | |
1032 | )\r | |
1033 | {\r | |
1034 | SHELL_DELETE_ENVIRONMENT_VARIABLE(((EFI_FILE_PROTOCOL_ENVIRONMENT*)This)->Name);\r | |
1035 | return (FileInterfaceEnvClose(This));\r | |
1036 | }\r | |
1037 | \r | |
1038 | /**\r | |
1039 | File style interface for Environment Variable (Read).\r | |
1040 | \r | |
1041 | @param[in] This The pointer to the EFI_FILE_PROTOCOL object.\r | |
1042 | @param[in, out] BufferSize Size in bytes of Buffer.\r | |
1043 | @param[out] Buffer The pointer to the buffer to fill.\r | |
1044 | \r | |
1045 | @retval EFI_SUCCESS The data was read.\r | |
1046 | **/\r | |
1047 | EFI_STATUS\r | |
1048 | EFIAPI\r | |
1049 | FileInterfaceEnvRead(\r | |
1050 | IN EFI_FILE_PROTOCOL *This,\r | |
1051 | IN OUT UINTN *BufferSize,\r | |
1052 | OUT VOID *Buffer\r | |
1053 | )\r | |
1054 | {\r | |
1055 | return (SHELL_GET_ENVIRONMENT_VARIABLE(\r | |
1056 | ((EFI_FILE_PROTOCOL_ENVIRONMENT*)This)->Name,\r | |
1057 | BufferSize,\r | |
1058 | Buffer));\r | |
1059 | }\r | |
1060 | \r | |
1061 | /**\r | |
1062 | File style interface for Volatile Environment Variable (Write).\r | |
1063 | \r | |
1064 | @param[in] This The pointer to the EFI_FILE_PROTOCOL object.\r | |
1065 | @param[in, out] BufferSize Size in bytes of Buffer.\r | |
1066 | @param[in] Buffer The pointer to the buffer to write.\r | |
1067 | \r | |
1068 | @retval EFI_SUCCESS The data was read.\r | |
1069 | **/\r | |
1070 | EFI_STATUS\r | |
1071 | EFIAPI\r | |
1072 | FileInterfaceEnvVolWrite(\r | |
1073 | IN EFI_FILE_PROTOCOL *This,\r | |
1074 | IN OUT UINTN *BufferSize,\r | |
1075 | IN VOID *Buffer\r | |
1076 | )\r | |
1077 | {\r | |
1078 | VOID* NewBuffer;\r | |
1079 | UINTN NewSize;\r | |
1080 | EFI_STATUS Status;\r | |
1081 | \r | |
1082 | NewBuffer = NULL;\r | |
1083 | NewSize = 0;\r | |
1084 | \r | |
1085 | Status = SHELL_GET_ENVIRONMENT_VARIABLE(((EFI_FILE_PROTOCOL_ENVIRONMENT*)This)->Name, &NewSize, NewBuffer);\r | |
1086 | if (Status == EFI_BUFFER_TOO_SMALL){\r | |
1087 | NewBuffer = AllocateZeroPool(NewSize + *BufferSize + sizeof(CHAR16));\r | |
1088 | Status = SHELL_GET_ENVIRONMENT_VARIABLE(((EFI_FILE_PROTOCOL_ENVIRONMENT*)This)->Name, &NewSize, NewBuffer);\r | |
1089 | }\r | |
1090 | if (!EFI_ERROR(Status) && NewBuffer != NULL) {\r | |
1091 | while (((CHAR16*)NewBuffer)[NewSize/2] == CHAR_NULL) {\r | |
1092 | //\r | |
1093 | // We want to overwrite the CHAR_NULL\r | |
1094 | //\r | |
1095 | NewSize -= 2;\r | |
1096 | }\r | |
1097 | CopyMem((UINT8*)NewBuffer + NewSize + 2, Buffer, *BufferSize);\r | |
1098 | Status = SHELL_SET_ENVIRONMENT_VARIABLE_V(((EFI_FILE_PROTOCOL_ENVIRONMENT*)This)->Name, StrSize(NewBuffer), NewBuffer);\r | |
1099 | FreePool(NewBuffer);\r | |
1100 | return (Status);\r | |
1101 | } else {\r | |
1102 | SHELL_FREE_NON_NULL(NewBuffer);\r | |
1103 | return (SHELL_SET_ENVIRONMENT_VARIABLE_V(((EFI_FILE_PROTOCOL_ENVIRONMENT*)This)->Name, *BufferSize, Buffer));\r | |
1104 | }\r | |
1105 | }\r | |
1106 | \r | |
1107 | \r | |
1108 | /**\r | |
1109 | File style interface for Non Volatile Environment Variable (Write).\r | |
1110 | \r | |
1111 | @param[in] This The pointer to the EFI_FILE_PROTOCOL object.\r | |
1112 | @param[in, out] BufferSize Size in bytes of Buffer.\r | |
1113 | @param[in] Buffer The pointer to the buffer to write.\r | |
1114 | \r | |
1115 | @retval EFI_SUCCESS The data was read.\r | |
1116 | **/\r | |
1117 | EFI_STATUS\r | |
1118 | EFIAPI\r | |
1119 | FileInterfaceEnvNonVolWrite(\r | |
1120 | IN EFI_FILE_PROTOCOL *This,\r | |
1121 | IN OUT UINTN *BufferSize,\r | |
1122 | IN VOID *Buffer\r | |
1123 | )\r | |
1124 | {\r | |
1125 | VOID* NewBuffer;\r | |
1126 | UINTN NewSize;\r | |
1127 | EFI_STATUS Status;\r | |
1128 | \r | |
1129 | NewBuffer = NULL;\r | |
1130 | NewSize = 0;\r | |
1131 | \r | |
1132 | Status = SHELL_GET_ENVIRONMENT_VARIABLE(((EFI_FILE_PROTOCOL_ENVIRONMENT*)This)->Name, &NewSize, NewBuffer);\r | |
1133 | if (Status == EFI_BUFFER_TOO_SMALL){\r | |
1134 | NewBuffer = AllocateZeroPool(NewSize + *BufferSize);\r | |
1135 | Status = SHELL_GET_ENVIRONMENT_VARIABLE(((EFI_FILE_PROTOCOL_ENVIRONMENT*)This)->Name, &NewSize, NewBuffer);\r | |
1136 | }\r | |
1137 | if (!EFI_ERROR(Status)) {\r | |
1138 | CopyMem((UINT8*)NewBuffer + NewSize, Buffer, *BufferSize);\r | |
1139 | return (SHELL_SET_ENVIRONMENT_VARIABLE_NV(\r | |
1140 | ((EFI_FILE_PROTOCOL_ENVIRONMENT*)This)->Name,\r | |
1141 | NewSize + *BufferSize,\r | |
1142 | NewBuffer));\r | |
1143 | } else {\r | |
1144 | return (SHELL_SET_ENVIRONMENT_VARIABLE_NV(\r | |
1145 | ((EFI_FILE_PROTOCOL_ENVIRONMENT*)This)->Name,\r | |
1146 | *BufferSize,\r | |
1147 | Buffer));\r | |
1148 | }\r | |
1149 | }\r | |
1150 | \r | |
1151 | /**\r | |
1152 | Creates a EFI_FILE_PROTOCOL (almost) object for using to access\r | |
1153 | environment variables through file operations.\r | |
1154 | \r | |
1155 | @param EnvName The name of the Environment Variable to be operated on.\r | |
1156 | \r | |
1157 | @retval NULL Memory could not be allocated.\r | |
1158 | @return other a pointer to an EFI_FILE_PROTOCOL structure\r | |
1159 | **/\r | |
1160 | EFI_FILE_PROTOCOL*\r | |
1161 | EFIAPI\r | |
1162 | CreateFileInterfaceEnv(\r | |
1163 | IN CONST CHAR16 *EnvName\r | |
1164 | )\r | |
1165 | {\r | |
1166 | EFI_STATUS Status;\r | |
1167 | EFI_FILE_PROTOCOL_ENVIRONMENT *EnvFileInterface;\r | |
1168 | UINTN EnvNameSize;\r | |
1169 | BOOLEAN Volatile;\r | |
1170 | \r | |
1171 | if (EnvName == NULL) {\r | |
1172 | return (NULL);\r | |
1173 | }\r | |
1174 | \r | |
1175 | Status = IsVolatileEnv (EnvName, &Volatile);\r | |
1176 | if (EFI_ERROR (Status)) {\r | |
1177 | return NULL;\r | |
1178 | }\r | |
1179 | \r | |
1180 | //\r | |
1181 | // Get some memory\r | |
1182 | //\r | |
1183 | EnvNameSize = StrSize(EnvName);\r | |
1184 | EnvFileInterface = AllocateZeroPool(sizeof(EFI_FILE_PROTOCOL_ENVIRONMENT)+EnvNameSize);\r | |
1185 | if (EnvFileInterface == NULL){\r | |
1186 | return (NULL);\r | |
1187 | }\r | |
1188 | \r | |
1189 | //\r | |
1190 | // Assign the generic members\r | |
1191 | //\r | |
1192 | EnvFileInterface->Revision = EFI_FILE_REVISION;\r | |
1193 | EnvFileInterface->Open = FileInterfaceOpenNotFound;\r | |
1194 | EnvFileInterface->Close = FileInterfaceEnvClose;\r | |
1195 | EnvFileInterface->GetPosition = FileInterfaceNopGetPosition;\r | |
1196 | EnvFileInterface->SetPosition = FileInterfaceNopSetPosition;\r | |
1197 | EnvFileInterface->GetInfo = FileInterfaceNopGetInfo;\r | |
1198 | EnvFileInterface->SetInfo = FileInterfaceNopSetInfo;\r | |
1199 | EnvFileInterface->Flush = FileInterfaceNopGeneric;\r | |
1200 | EnvFileInterface->Delete = FileInterfaceEnvDelete;\r | |
1201 | EnvFileInterface->Read = FileInterfaceEnvRead;\r | |
1202 | \r | |
1203 | CopyMem(EnvFileInterface->Name, EnvName, EnvNameSize);\r | |
1204 | \r | |
1205 | //\r | |
1206 | // Assign the different members for Volatile and Non-Volatile variables\r | |
1207 | //\r | |
1208 | if (Volatile) {\r | |
1209 | EnvFileInterface->Write = FileInterfaceEnvVolWrite;\r | |
1210 | } else {\r | |
1211 | EnvFileInterface->Write = FileInterfaceEnvNonVolWrite;\r | |
1212 | }\r | |
1213 | return ((EFI_FILE_PROTOCOL *)EnvFileInterface);\r | |
1214 | }\r | |
1215 | \r | |
1216 | /**\r | |
1217 | Move the cursor position one character backward.\r | |
1218 | \r | |
1219 | @param[in] LineLength Length of a line. Get it by calling QueryMode\r | |
1220 | @param[in, out] Column Current column of the cursor position\r | |
1221 | @param[in, out] Row Current row of the cursor position\r | |
1222 | **/\r | |
1223 | VOID\r | |
1224 | EFIAPI\r | |
1225 | MoveCursorBackward (\r | |
1226 | IN UINTN LineLength,\r | |
1227 | IN OUT UINTN *Column,\r | |
1228 | IN OUT UINTN *Row\r | |
1229 | )\r | |
1230 | {\r | |
1231 | //\r | |
1232 | // If current column is 0, move to the last column of the previous line,\r | |
1233 | // otherwise, just decrement column.\r | |
1234 | //\r | |
1235 | if (*Column == 0) {\r | |
1236 | *Column = LineLength - 1;\r | |
1237 | if (*Row > 0) {\r | |
1238 | (*Row)--;\r | |
1239 | }\r | |
1240 | return;\r | |
1241 | }\r | |
1242 | (*Column)--;\r | |
1243 | }\r | |
1244 | \r | |
1245 | /**\r | |
1246 | Move the cursor position one character forward.\r | |
1247 | \r | |
1248 | @param[in] LineLength Length of a line.\r | |
1249 | @param[in] TotalRow Total row of a screen\r | |
1250 | @param[in, out] Column Current column of the cursor position\r | |
1251 | @param[in, out] Row Current row of the cursor position\r | |
1252 | **/\r | |
1253 | VOID\r | |
1254 | EFIAPI\r | |
1255 | MoveCursorForward (\r | |
1256 | IN UINTN LineLength,\r | |
1257 | IN UINTN TotalRow,\r | |
1258 | IN OUT UINTN *Column,\r | |
1259 | IN OUT UINTN *Row\r | |
1260 | )\r | |
1261 | {\r | |
1262 | //\r | |
1263 | // Increment Column.\r | |
1264 | // If this puts column past the end of the line, move to first column\r | |
1265 | // of the next row.\r | |
1266 | //\r | |
1267 | (*Column)++;\r | |
1268 | if (*Column >= LineLength) {\r | |
1269 | (*Column) = 0;\r | |
1270 | if ((*Row) < TotalRow - 1) {\r | |
1271 | (*Row)++;\r | |
1272 | }\r | |
1273 | }\r | |
1274 | }\r | |
1275 | \r | |
1276 | /**\r | |
1277 | Prints out each previously typed command in the command list history log.\r | |
1278 | \r | |
1279 | When each screen is full it will pause for a key before continuing.\r | |
1280 | \r | |
1281 | @param[in] TotalCols How many columns are on the screen\r | |
1282 | @param[in] TotalRows How many rows are on the screen\r | |
1283 | @param[in] StartColumn which column to start at\r | |
1284 | **/\r | |
1285 | VOID\r | |
1286 | EFIAPI\r | |
1287 | PrintCommandHistory (\r | |
1288 | IN CONST UINTN TotalCols,\r | |
1289 | IN CONST UINTN TotalRows,\r | |
1290 | IN CONST UINTN StartColumn\r | |
1291 | )\r | |
1292 | {\r | |
1293 | BUFFER_LIST *Node;\r | |
1294 | UINTN Index;\r | |
1295 | UINTN LineNumber;\r | |
1296 | UINTN LineCount;\r | |
1297 | \r | |
1298 | ShellPrintEx (-1, -1, L"\n");\r | |
1299 | Index = 0;\r | |
1300 | LineNumber = 0;\r | |
1301 | //\r | |
1302 | // go through history list...\r | |
1303 | //\r | |
1304 | for ( Node = (BUFFER_LIST*)GetFirstNode(&ShellInfoObject.ViewingSettings.CommandHistory.Link)\r | |
1305 | ; !IsNull(&ShellInfoObject.ViewingSettings.CommandHistory.Link, &Node->Link)\r | |
1306 | ; Node = (BUFFER_LIST*)GetNextNode(&ShellInfoObject.ViewingSettings.CommandHistory.Link, &Node->Link)\r | |
1307 | ){\r | |
1308 | Index++;\r | |
1309 | LineCount = ((StrLen (Node->Buffer) + StartColumn + 1) / TotalCols) + 1;\r | |
1310 | \r | |
1311 | if (LineNumber + LineCount >= TotalRows) {\r | |
1312 | ShellPromptForResponseHii(\r | |
1313 | ShellPromptResponseTypeEnterContinue,\r | |
1314 | STRING_TOKEN (STR_SHELL_ENTER_TO_CONT),\r | |
1315 | ShellInfoObject.HiiHandle,\r | |
1316 | NULL\r | |
1317 | );\r | |
1318 | LineNumber = 0;\r | |
1319 | }\r | |
1320 | ShellPrintEx (-1, -1, L"%2d. %s\n", Index, Node->Buffer);\r | |
1321 | LineNumber += LineCount;\r | |
1322 | }\r | |
1323 | }\r | |
1324 | \r | |
1325 | \r | |
1326 | \r | |
1327 | \r | |
1328 | \r | |
1329 | \r | |
1330 | //\r | |
1331 | // This is identical to EFI_FILE_PROTOCOL except for the additional members\r | |
1332 | // for the buffer, size, and position.\r | |
1333 | //\r | |
1334 | \r | |
1335 | typedef struct {\r | |
1336 | UINT64 Revision;\r | |
1337 | EFI_FILE_OPEN Open;\r | |
1338 | EFI_FILE_CLOSE Close;\r | |
1339 | EFI_FILE_DELETE Delete;\r | |
1340 | EFI_FILE_READ Read;\r | |
1341 | EFI_FILE_WRITE Write;\r | |
1342 | EFI_FILE_GET_POSITION GetPosition;\r | |
1343 | EFI_FILE_SET_POSITION SetPosition;\r | |
1344 | EFI_FILE_GET_INFO GetInfo;\r | |
1345 | EFI_FILE_SET_INFO SetInfo;\r | |
1346 | EFI_FILE_FLUSH Flush;\r | |
1347 | VOID *Buffer;\r | |
1348 | UINT64 Position;\r | |
1349 | UINT64 BufferSize;\r | |
1350 | BOOLEAN Unicode;\r | |
1351 | UINT64 FileSize;\r | |
1352 | } EFI_FILE_PROTOCOL_MEM;\r | |
1353 | \r | |
1354 | /**\r | |
1355 | File style interface for Mem (SetPosition).\r | |
1356 | \r | |
1357 | @param[in] This The pointer to the EFI_FILE_PROTOCOL object.\r | |
1358 | @param[out] Position The position to set.\r | |
1359 | \r | |
1360 | @retval EFI_SUCCESS The position was successfully changed.\r | |
1361 | @retval EFI_INVALID_PARAMETER The Position was invalid.\r | |
1362 | **/\r | |
1363 | EFI_STATUS\r | |
1364 | EFIAPI\r | |
1365 | FileInterfaceMemSetPosition(\r | |
1366 | IN EFI_FILE_PROTOCOL *This,\r | |
1367 | OUT UINT64 Position\r | |
1368 | )\r | |
1369 | {\r | |
1370 | if (Position <= ((EFI_FILE_PROTOCOL_MEM*)This)->FileSize) {\r | |
1371 | ((EFI_FILE_PROTOCOL_MEM*)This)->Position = Position;\r | |
1372 | return (EFI_SUCCESS);\r | |
1373 | } else {\r | |
1374 | return (EFI_INVALID_PARAMETER);\r | |
1375 | }\r | |
1376 | }\r | |
1377 | \r | |
1378 | /**\r | |
1379 | File style interface for Mem (GetPosition).\r | |
1380 | \r | |
1381 | @param[in] This The pointer to the EFI_FILE_PROTOCOL object.\r | |
1382 | @param[out] Position The pointer to the position.\r | |
1383 | \r | |
1384 | @retval EFI_SUCCESS The position was retrieved.\r | |
1385 | **/ \r | |
1386 | EFI_STATUS\r | |
1387 | EFIAPI\r | |
1388 | FileInterfaceMemGetPosition(\r | |
1389 | IN EFI_FILE_PROTOCOL *This,\r | |
1390 | OUT UINT64 *Position\r | |
1391 | )\r | |
1392 | {\r | |
1393 | *Position = ((EFI_FILE_PROTOCOL_MEM*)This)->Position;\r | |
1394 | return (EFI_SUCCESS);\r | |
1395 | }\r | |
1396 | \r | |
1397 | /**\r | |
1398 | File style interface for Mem (Write).\r | |
1399 | \r | |
1400 | @param[in] This The pointer to the EFI_FILE_PROTOCOL object.\r | |
1401 | @param[in, out] BufferSize Size in bytes of Buffer.\r | |
1402 | @param[in] Buffer The pointer to the buffer to write.\r | |
1403 | \r | |
1404 | @retval EFI_OUT_OF_RESOURCES The operation failed due to lack of resources.\r | |
1405 | @retval EFI_SUCCESS The data was written.\r | |
1406 | **/\r | |
1407 | EFI_STATUS\r | |
1408 | EFIAPI\r | |
1409 | FileInterfaceMemWrite(\r | |
1410 | IN EFI_FILE_PROTOCOL *This,\r | |
1411 | IN OUT UINTN *BufferSize,\r | |
1412 | IN VOID *Buffer\r | |
1413 | )\r | |
1414 | {\r | |
1415 | CHAR8 *AsciiBuffer;\r | |
1416 | EFI_FILE_PROTOCOL_MEM *MemFile;\r | |
1417 | \r | |
1418 | MemFile = (EFI_FILE_PROTOCOL_MEM *) This;\r | |
1419 | if (MemFile->Unicode) {\r | |
1420 | //\r | |
1421 | // Unicode\r | |
1422 | //\r | |
1423 | if ((UINTN)(MemFile->Position + (*BufferSize)) > (UINTN)(MemFile->BufferSize)) {\r | |
1424 | MemFile->Buffer = ReallocatePool((UINTN)(MemFile->BufferSize), (UINTN)(MemFile->BufferSize) + (*BufferSize) + MEM_WRITE_REALLOC_OVERHEAD, MemFile->Buffer);\r | |
1425 | MemFile->BufferSize += (*BufferSize) + MEM_WRITE_REALLOC_OVERHEAD;\r | |
1426 | }\r | |
1427 | CopyMem(((UINT8*)MemFile->Buffer) + MemFile->Position, Buffer, *BufferSize);\r | |
1428 | MemFile->Position += (*BufferSize);\r | |
1429 | MemFile->FileSize = MemFile->Position;\r | |
1430 | return (EFI_SUCCESS);\r | |
1431 | } else {\r | |
1432 | //\r | |
1433 | // Ascii\r | |
1434 | //\r | |
1435 | AsciiBuffer = AllocateZeroPool(*BufferSize);\r | |
1436 | if (AsciiBuffer == NULL) {\r | |
1437 | return (EFI_OUT_OF_RESOURCES);\r | |
1438 | }\r | |
1439 | AsciiSPrint(AsciiBuffer, *BufferSize, "%S", Buffer);\r | |
1440 | if ((UINTN)(MemFile->Position + AsciiStrSize(AsciiBuffer)) > (UINTN)(MemFile->BufferSize)) {\r | |
1441 | MemFile->Buffer = ReallocatePool((UINTN)(MemFile->BufferSize), (UINTN)(MemFile->BufferSize) + AsciiStrSize(AsciiBuffer) + MEM_WRITE_REALLOC_OVERHEAD, MemFile->Buffer);\r | |
1442 | MemFile->BufferSize += AsciiStrSize(AsciiBuffer) + MEM_WRITE_REALLOC_OVERHEAD;\r | |
1443 | }\r | |
1444 | CopyMem(((UINT8*)MemFile->Buffer) + MemFile->Position, AsciiBuffer, AsciiStrSize(AsciiBuffer));\r | |
1445 | MemFile->Position += (*BufferSize / sizeof(CHAR16));\r | |
1446 | MemFile->FileSize = MemFile->Position;\r | |
1447 | FreePool(AsciiBuffer);\r | |
1448 | return (EFI_SUCCESS);\r | |
1449 | }\r | |
1450 | }\r | |
1451 | \r | |
1452 | /**\r | |
1453 | File style interface for Mem (Read).\r | |
1454 | \r | |
1455 | @param[in] This The pointer to the EFI_FILE_PROTOCOL object.\r | |
1456 | @param[in, out] BufferSize Size in bytes of Buffer.\r | |
1457 | @param[in] Buffer The pointer to the buffer to fill.\r | |
1458 | \r | |
1459 | @retval EFI_SUCCESS The data was read.\r | |
1460 | **/\r | |
1461 | EFI_STATUS\r | |
1462 | EFIAPI\r | |
1463 | FileInterfaceMemRead(\r | |
1464 | IN EFI_FILE_PROTOCOL *This,\r | |
1465 | IN OUT UINTN *BufferSize,\r | |
1466 | IN VOID *Buffer\r | |
1467 | )\r | |
1468 | {\r | |
1469 | EFI_FILE_PROTOCOL_MEM *MemFile;\r | |
1470 | \r | |
1471 | MemFile = (EFI_FILE_PROTOCOL_MEM *) This;\r | |
1472 | if (*BufferSize > (UINTN)((MemFile->FileSize) - (UINTN)(MemFile->Position))) {\r | |
1473 | (*BufferSize) = (UINTN)((MemFile->FileSize) - (UINTN)(MemFile->Position));\r | |
1474 | }\r | |
1475 | CopyMem(Buffer, ((UINT8*)MemFile->Buffer) + MemFile->Position, (*BufferSize));\r | |
1476 | MemFile->Position = MemFile->Position + (*BufferSize);\r | |
1477 | return (EFI_SUCCESS);\r | |
1478 | }\r | |
1479 | \r | |
1480 | /**\r | |
1481 | File style interface for Mem (Close).\r | |
1482 | \r | |
1483 | Frees all memory associated with this object.\r | |
1484 | \r | |
1485 | @param[in] This The pointer to the EFI_FILE_PROTOCOL object.\r | |
1486 | \r | |
1487 | @retval EFI_SUCCESS The 'file' was closed.\r | |
1488 | **/ \r | |
1489 | EFI_STATUS\r | |
1490 | EFIAPI\r | |
1491 | FileInterfaceMemClose(\r | |
1492 | IN EFI_FILE_PROTOCOL *This\r | |
1493 | )\r | |
1494 | {\r | |
1495 | SHELL_FREE_NON_NULL(((EFI_FILE_PROTOCOL_MEM*)This)->Buffer);\r | |
1496 | SHELL_FREE_NON_NULL(This);\r | |
1497 | return (EFI_SUCCESS);\r | |
1498 | }\r | |
1499 | \r | |
1500 | /**\r | |
1501 | Creates a EFI_FILE_PROTOCOL (almost) object for using to access\r | |
1502 | a file entirely in memory through file operations.\r | |
1503 | \r | |
1504 | @param[in] Unicode Boolean value with TRUE for Unicode and FALSE for Ascii.\r | |
1505 | \r | |
1506 | @retval NULL Memory could not be allocated.\r | |
1507 | @return other A pointer to an EFI_FILE_PROTOCOL structure.\r | |
1508 | **/\r | |
1509 | EFI_FILE_PROTOCOL*\r | |
1510 | EFIAPI\r | |
1511 | CreateFileInterfaceMem(\r | |
1512 | IN CONST BOOLEAN Unicode\r | |
1513 | )\r | |
1514 | {\r | |
1515 | EFI_FILE_PROTOCOL_MEM *FileInterface;\r | |
1516 | \r | |
1517 | //\r | |
1518 | // Get some memory\r | |
1519 | //\r | |
1520 | FileInterface = AllocateZeroPool(sizeof(EFI_FILE_PROTOCOL_MEM));\r | |
1521 | if (FileInterface == NULL){\r | |
1522 | return (NULL);\r | |
1523 | }\r | |
1524 | \r | |
1525 | //\r | |
1526 | // Assign the generic members\r | |
1527 | //\r | |
1528 | FileInterface->Revision = EFI_FILE_REVISION;\r | |
1529 | FileInterface->Open = FileInterfaceOpenNotFound;\r | |
1530 | FileInterface->Close = FileInterfaceMemClose;\r | |
1531 | FileInterface->GetPosition = FileInterfaceMemGetPosition;\r | |
1532 | FileInterface->SetPosition = FileInterfaceMemSetPosition;\r | |
1533 | FileInterface->GetInfo = FileInterfaceNopGetInfo;\r | |
1534 | FileInterface->SetInfo = FileInterfaceNopSetInfo;\r | |
1535 | FileInterface->Flush = FileInterfaceNopGeneric;\r | |
1536 | FileInterface->Delete = FileInterfaceNopGeneric;\r | |
1537 | FileInterface->Read = FileInterfaceMemRead;\r | |
1538 | FileInterface->Write = FileInterfaceMemWrite;\r | |
1539 | FileInterface->Unicode = Unicode;\r | |
1540 | \r | |
1541 | ASSERT(FileInterface->Buffer == NULL);\r | |
1542 | ASSERT(FileInterface->BufferSize == 0);\r | |
1543 | ASSERT(FileInterface->Position == 0);\r | |
1544 | \r | |
1545 | if (Unicode) {\r | |
1546 | FileInterface->Buffer = AllocateZeroPool(sizeof(gUnicodeFileTag));\r | |
1547 | if (FileInterface->Buffer == NULL) {\r | |
1548 | FreePool (FileInterface);\r | |
1549 | return NULL;\r | |
1550 | }\r | |
1551 | *((CHAR16 *) (FileInterface->Buffer)) = EFI_UNICODE_BYTE_ORDER_MARK;\r | |
1552 | FileInterface->BufferSize = 2;\r | |
1553 | FileInterface->Position = 2;\r | |
1554 | }\r | |
1555 | \r | |
1556 | return ((EFI_FILE_PROTOCOL *)FileInterface);\r | |
1557 | }\r | |
1558 | \r | |
1559 | typedef struct {\r | |
1560 | UINT64 Revision;\r | |
1561 | EFI_FILE_OPEN Open;\r | |
1562 | EFI_FILE_CLOSE Close;\r | |
1563 | EFI_FILE_DELETE Delete;\r | |
1564 | EFI_FILE_READ Read;\r | |
1565 | EFI_FILE_WRITE Write;\r | |
1566 | EFI_FILE_GET_POSITION GetPosition;\r | |
1567 | EFI_FILE_SET_POSITION SetPosition;\r | |
1568 | EFI_FILE_GET_INFO GetInfo;\r | |
1569 | EFI_FILE_SET_INFO SetInfo;\r | |
1570 | EFI_FILE_FLUSH Flush;\r | |
1571 | BOOLEAN Unicode;\r | |
1572 | EFI_FILE_PROTOCOL *Orig;\r | |
1573 | } EFI_FILE_PROTOCOL_FILE;\r | |
1574 | \r | |
1575 | /**\r | |
1576 | Set a files current position\r | |
1577 | \r | |
1578 | @param This Protocol instance pointer.\r | |
1579 | @param Position Byte position from the start of the file.\r | |
1580 | \r | |
1581 | @retval EFI_SUCCESS Data was written.\r | |
1582 | @retval EFI_UNSUPPORTED Seek request for non-zero is not valid on open.\r | |
1583 | \r | |
1584 | **/\r | |
1585 | EFI_STATUS\r | |
1586 | EFIAPI\r | |
1587 | FileInterfaceFileSetPosition(\r | |
1588 | IN EFI_FILE_PROTOCOL *This,\r | |
1589 | IN UINT64 Position\r | |
1590 | )\r | |
1591 | {\r | |
1592 | return ((EFI_FILE_PROTOCOL_FILE*)This)->Orig->SetPosition(((EFI_FILE_PROTOCOL_FILE*)This)->Orig, Position);\r | |
1593 | }\r | |
1594 | \r | |
1595 | /**\r | |
1596 | Get a file's current position\r | |
1597 | \r | |
1598 | @param This Protocol instance pointer.\r | |
1599 | @param Position Byte position from the start of the file.\r | |
1600 | \r | |
1601 | @retval EFI_SUCCESS Data was written.\r | |
1602 | @retval EFI_UNSUPPORTED Seek request for non-zero is not valid on open..\r | |
1603 | \r | |
1604 | **/\r | |
1605 | EFI_STATUS\r | |
1606 | EFIAPI\r | |
1607 | FileInterfaceFileGetPosition(\r | |
1608 | IN EFI_FILE_PROTOCOL *This,\r | |
1609 | OUT UINT64 *Position\r | |
1610 | )\r | |
1611 | {\r | |
1612 | return ((EFI_FILE_PROTOCOL_FILE*)This)->Orig->GetPosition(((EFI_FILE_PROTOCOL_FILE*)This)->Orig, Position);\r | |
1613 | }\r | |
1614 | \r | |
1615 | /**\r | |
1616 | Get information about a file.\r | |
1617 | \r | |
1618 | @param This Protocol instance pointer.\r | |
1619 | @param InformationType Type of information to return in Buffer.\r | |
1620 | @param BufferSize On input size of buffer, on output amount of data in buffer.\r | |
1621 | @param Buffer The buffer to return data.\r | |
1622 | \r | |
1623 | @retval EFI_SUCCESS Data was returned.\r | |
1624 | @retval EFI_UNSUPPORT InformationType is not supported.\r | |
1625 | @retval EFI_NO_MEDIA The device has no media.\r | |
1626 | @retval EFI_DEVICE_ERROR The device reported an error.\r | |
1627 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r | |
1628 | @retval EFI_WRITE_PROTECTED The device is write protected.\r | |
1629 | @retval EFI_ACCESS_DENIED The file was open for read only.\r | |
1630 | @retval EFI_BUFFER_TOO_SMALL Buffer was too small; required size returned in BufferSize.\r | |
1631 | \r | |
1632 | **/\r | |
1633 | EFI_STATUS\r | |
1634 | EFIAPI\r | |
1635 | FileInterfaceFileGetInfo(\r | |
1636 | IN EFI_FILE_PROTOCOL *This,\r | |
1637 | IN EFI_GUID *InformationType,\r | |
1638 | IN OUT UINTN *BufferSize,\r | |
1639 | OUT VOID *Buffer\r | |
1640 | )\r | |
1641 | {\r | |
1642 | return ((EFI_FILE_PROTOCOL_FILE*)This)->Orig->GetInfo(((EFI_FILE_PROTOCOL_FILE*)This)->Orig, InformationType, BufferSize, Buffer);\r | |
1643 | }\r | |
1644 | \r | |
1645 | /**\r | |
1646 | Set information about a file\r | |
1647 | \r | |
1648 | @param This Protocol instance pointer.\r | |
1649 | @param InformationType Type of information in Buffer.\r | |
1650 | @param BufferSize Size of buffer.\r | |
1651 | @param Buffer The data to write.\r | |
1652 | \r | |
1653 | @retval EFI_SUCCESS Data was returned.\r | |
1654 | @retval EFI_UNSUPPORT InformationType is not supported.\r | |
1655 | @retval EFI_NO_MEDIA The device has no media.\r | |
1656 | @retval EFI_DEVICE_ERROR The device reported an error.\r | |
1657 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r | |
1658 | @retval EFI_WRITE_PROTECTED The device is write protected.\r | |
1659 | @retval EFI_ACCESS_DENIED The file was open for read only.\r | |
1660 | \r | |
1661 | **/\r | |
1662 | EFI_STATUS\r | |
1663 | EFIAPI\r | |
1664 | FileInterfaceFileSetInfo(\r | |
1665 | IN EFI_FILE_PROTOCOL *This,\r | |
1666 | IN EFI_GUID *InformationType,\r | |
1667 | IN UINTN BufferSize,\r | |
1668 | IN VOID *Buffer\r | |
1669 | )\r | |
1670 | {\r | |
1671 | return ((EFI_FILE_PROTOCOL_FILE*)This)->Orig->SetInfo(((EFI_FILE_PROTOCOL_FILE*)This)->Orig, InformationType, BufferSize, Buffer);\r | |
1672 | }\r | |
1673 | \r | |
1674 | /**\r | |
1675 | Flush data back for the file handle.\r | |
1676 | \r | |
1677 | @param This Protocol instance pointer.\r | |
1678 | \r | |
1679 | @retval EFI_SUCCESS Data was written.\r | |
1680 | @retval EFI_UNSUPPORT Writes to Open directory are not supported.\r | |
1681 | @retval EFI_NO_MEDIA The device has no media.\r | |
1682 | @retval EFI_DEVICE_ERROR The device reported an error.\r | |
1683 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r | |
1684 | @retval EFI_WRITE_PROTECTED The device is write protected.\r | |
1685 | @retval EFI_ACCESS_DENIED The file was open for read only.\r | |
1686 | @retval EFI_VOLUME_FULL The volume is full.\r | |
1687 | \r | |
1688 | **/\r | |
1689 | EFI_STATUS\r | |
1690 | EFIAPI\r | |
1691 | FileInterfaceFileFlush(\r | |
1692 | IN EFI_FILE_PROTOCOL *This\r | |
1693 | )\r | |
1694 | {\r | |
1695 | return ((EFI_FILE_PROTOCOL_FILE*)This)->Orig->Flush(((EFI_FILE_PROTOCOL_FILE*)This)->Orig);\r | |
1696 | }\r | |
1697 | \r | |
1698 | /**\r | |
1699 | Read data from the file.\r | |
1700 | \r | |
1701 | @param This Protocol instance pointer.\r | |
1702 | @param BufferSize On input size of buffer, on output amount of data in buffer.\r | |
1703 | @param Buffer The buffer in which data is read.\r | |
1704 | \r | |
1705 | @retval EFI_SUCCESS Data was read.\r | |
1706 | @retval EFI_NO_MEDIA The device has no media.\r | |
1707 | @retval EFI_DEVICE_ERROR The device reported an error.\r | |
1708 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r | |
1709 | @retval EFI_BUFFER_TO_SMALL BufferSize is too small. BufferSize contains required size.\r | |
1710 | \r | |
1711 | **/\r | |
1712 | EFI_STATUS\r | |
1713 | EFIAPI\r | |
1714 | FileInterfaceFileRead(\r | |
1715 | IN EFI_FILE_PROTOCOL *This,\r | |
1716 | IN OUT UINTN *BufferSize,\r | |
1717 | OUT VOID *Buffer\r | |
1718 | )\r | |
1719 | {\r | |
1720 | CHAR8 *AsciiStrBuffer;\r | |
1721 | CHAR16 *UscStrBuffer;\r | |
1722 | UINTN Size;\r | |
1723 | UINTN CharNum;\r | |
1724 | EFI_STATUS Status;\r | |
1725 | if (((EFI_FILE_PROTOCOL_FILE*)This)->Unicode) {\r | |
1726 | //\r | |
1727 | // Unicode\r | |
1728 | //\r | |
1729 | return (((EFI_FILE_PROTOCOL_FILE*)This)->Orig->Read(((EFI_FILE_PROTOCOL_FILE*)This)->Orig, BufferSize, Buffer));\r | |
1730 | } else {\r | |
1731 | //\r | |
1732 | // Ascii\r | |
1733 | //\r | |
1734 | Size = (*BufferSize) / sizeof(CHAR16);\r | |
1735 | AsciiStrBuffer = AllocateZeroPool(Size + sizeof(CHAR8));\r | |
1736 | if (AsciiStrBuffer == NULL) {\r | |
1737 | return EFI_OUT_OF_RESOURCES;\r | |
1738 | }\r | |
1739 | UscStrBuffer = AllocateZeroPool(*BufferSize + sizeof(CHAR16));\r | |
1740 | if (UscStrBuffer== NULL) {\r | |
1741 | SHELL_FREE_NON_NULL(AsciiStrBuffer);\r | |
1742 | return EFI_OUT_OF_RESOURCES;\r | |
1743 | }\r | |
1744 | Status = (((EFI_FILE_PROTOCOL_FILE*)This)->Orig->Read(((EFI_FILE_PROTOCOL_FILE*)This)->Orig, &Size, AsciiStrBuffer));\r | |
1745 | if (!EFI_ERROR(Status)) {\r | |
1746 | CharNum = UnicodeSPrint(UscStrBuffer, *BufferSize + sizeof(CHAR16), L"%a", AsciiStrBuffer);\r | |
1747 | if (CharNum == Size) {\r | |
1748 | CopyMem (Buffer, UscStrBuffer, *BufferSize);\r | |
1749 | } else {\r | |
1750 | Status = EFI_UNSUPPORTED;\r | |
1751 | }\r | |
1752 | }\r | |
1753 | SHELL_FREE_NON_NULL(AsciiStrBuffer);\r | |
1754 | SHELL_FREE_NON_NULL(UscStrBuffer);\r | |
1755 | return (Status);\r | |
1756 | }\r | |
1757 | }\r | |
1758 | \r | |
1759 | /**\r | |
1760 | Opens a new file relative to the source file's location.\r | |
1761 | \r | |
1762 | @param[in] This The protocol instance pointer.\r | |
1763 | @param[out] NewHandle Returns File Handle for FileName.\r | |
1764 | @param[in] FileName Null terminated string. "\", ".", and ".." are supported.\r | |
1765 | @param[in] OpenMode Open mode for file.\r | |
1766 | @param[in] Attributes Only used for EFI_FILE_MODE_CREATE.\r | |
1767 | \r | |
1768 | @retval EFI_SUCCESS The device was opened.\r | |
1769 | @retval EFI_NOT_FOUND The specified file could not be found on the device.\r | |
1770 | @retval EFI_NO_MEDIA The device has no media.\r | |
1771 | @retval EFI_MEDIA_CHANGED The media has changed.\r | |
1772 | @retval EFI_DEVICE_ERROR The device reported an error.\r | |
1773 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r | |
1774 | @retval EFI_ACCESS_DENIED The service denied access to the file.\r | |
1775 | @retval EFI_OUT_OF_RESOURCES The volume was not opened due to lack of resources.\r | |
1776 | @retval EFI_VOLUME_FULL The volume is full.\r | |
1777 | **/\r | |
1778 | EFI_STATUS\r | |
1779 | EFIAPI\r | |
1780 | FileInterfaceFileOpen (\r | |
1781 | IN EFI_FILE_PROTOCOL *This,\r | |
1782 | OUT EFI_FILE_PROTOCOL **NewHandle,\r | |
1783 | IN CHAR16 *FileName,\r | |
1784 | IN UINT64 OpenMode,\r | |
1785 | IN UINT64 Attributes\r | |
1786 | )\r | |
1787 | {\r | |
1788 | return ((EFI_FILE_PROTOCOL_FILE*)This)->Orig->Open(((EFI_FILE_PROTOCOL_FILE*)This)->Orig, NewHandle, FileName, OpenMode, Attributes);\r | |
1789 | }\r | |
1790 | \r | |
1791 | /**\r | |
1792 | Close and delete the file handle.\r | |
1793 | \r | |
1794 | @param This Protocol instance pointer.\r | |
1795 | \r | |
1796 | @retval EFI_SUCCESS The device was opened.\r | |
1797 | @retval EFI_WARN_DELETE_FAILURE The handle was closed but the file was not deleted.\r | |
1798 | \r | |
1799 | **/\r | |
1800 | EFI_STATUS\r | |
1801 | EFIAPI\r | |
1802 | FileInterfaceFileDelete(\r | |
1803 | IN EFI_FILE_PROTOCOL *This\r | |
1804 | )\r | |
1805 | {\r | |
1806 | EFI_STATUS Status;\r | |
1807 | Status = ((EFI_FILE_PROTOCOL_FILE*)This)->Orig->Delete(((EFI_FILE_PROTOCOL_FILE*)This)->Orig);\r | |
1808 | FreePool(This);\r | |
1809 | return (Status);\r | |
1810 | }\r | |
1811 | \r | |
1812 | /**\r | |
1813 | File style interface for File (Close).\r | |
1814 | \r | |
1815 | @param[in] This The pointer to the EFI_FILE_PROTOCOL object.\r | |
1816 | \r | |
1817 | @retval EFI_SUCCESS The file was closed.\r | |
1818 | **/\r | |
1819 | EFI_STATUS\r | |
1820 | EFIAPI\r | |
1821 | FileInterfaceFileClose(\r | |
1822 | IN EFI_FILE_PROTOCOL *This\r | |
1823 | )\r | |
1824 | {\r | |
1825 | EFI_STATUS Status;\r | |
1826 | Status = ((EFI_FILE_PROTOCOL_FILE*)This)->Orig->Close(((EFI_FILE_PROTOCOL_FILE*)This)->Orig);\r | |
1827 | FreePool(This);\r | |
1828 | return (Status);\r | |
1829 | }\r | |
1830 | \r | |
1831 | /**\r | |
1832 | File style interface for File (Write).\r | |
1833 | \r | |
1834 | If the file was opened with ASCII mode the data will be processed through \r | |
1835 | AsciiSPrint before writing.\r | |
1836 | \r | |
1837 | @param[in] This The pointer to the EFI_FILE_PROTOCOL object.\r | |
1838 | @param[in, out] BufferSize Size in bytes of Buffer.\r | |
1839 | @param[in] Buffer The pointer to the buffer to write.\r | |
1840 | \r | |
1841 | @retval EFI_SUCCESS The data was written.\r | |
1842 | **/\r | |
1843 | EFI_STATUS\r | |
1844 | EFIAPI\r | |
1845 | FileInterfaceFileWrite(\r | |
1846 | IN EFI_FILE_PROTOCOL *This,\r | |
1847 | IN OUT UINTN *BufferSize,\r | |
1848 | IN VOID *Buffer\r | |
1849 | )\r | |
1850 | {\r | |
1851 | CHAR8 *AsciiBuffer;\r | |
1852 | UINTN Size;\r | |
1853 | EFI_STATUS Status;\r | |
1854 | if (((EFI_FILE_PROTOCOL_FILE*)This)->Unicode) {\r | |
1855 | //\r | |
1856 | // Unicode\r | |
1857 | //\r | |
1858 | return (((EFI_FILE_PROTOCOL_FILE*)This)->Orig->Write(((EFI_FILE_PROTOCOL_FILE*)This)->Orig, BufferSize, Buffer));\r | |
1859 | } else {\r | |
1860 | //\r | |
1861 | // Ascii\r | |
1862 | //\r | |
1863 | AsciiBuffer = AllocateZeroPool(*BufferSize);\r | |
1864 | AsciiSPrint(AsciiBuffer, *BufferSize, "%S", Buffer);\r | |
1865 | Size = AsciiStrSize(AsciiBuffer) - 1; // (we dont need the null terminator)\r | |
1866 | Status = (((EFI_FILE_PROTOCOL_FILE*)This)->Orig->Write(((EFI_FILE_PROTOCOL_FILE*)This)->Orig, &Size, AsciiBuffer));\r | |
1867 | FreePool(AsciiBuffer);\r | |
1868 | return (Status);\r | |
1869 | }\r | |
1870 | }\r | |
1871 | \r | |
1872 | /**\r | |
1873 | Create a file interface with unicode information.\r | |
1874 | \r | |
1875 | This will create a new EFI_FILE_PROTOCOL identical to the Templace\r | |
1876 | except that the new one has Unicode and Ascii knowledge.\r | |
1877 | \r | |
1878 | @param[in] Template A pointer to the EFI_FILE_PROTOCOL object.\r | |
1879 | @param[in] Unicode TRUE for UCS-2, FALSE for ASCII.\r | |
1880 | \r | |
1881 | @return a new EFI_FILE_PROTOCOL object to be used instead of the template.\r | |
1882 | **/\r | |
1883 | EFI_FILE_PROTOCOL*\r | |
1884 | CreateFileInterfaceFile(\r | |
1885 | IN CONST EFI_FILE_PROTOCOL *Template,\r | |
1886 | IN CONST BOOLEAN Unicode\r | |
1887 | )\r | |
1888 | {\r | |
1889 | EFI_FILE_PROTOCOL_FILE *NewOne;\r | |
1890 | \r | |
1891 | NewOne = AllocateZeroPool(sizeof(EFI_FILE_PROTOCOL_FILE));\r | |
1892 | if (NewOne == NULL) {\r | |
1893 | return (NULL);\r | |
1894 | }\r | |
1895 | CopyMem(NewOne, Template, sizeof(EFI_FILE_PROTOCOL_FILE));\r | |
1896 | NewOne->Orig = (EFI_FILE_PROTOCOL *)Template;\r | |
1897 | NewOne->Unicode = Unicode;\r | |
1898 | NewOne->Open = FileInterfaceFileOpen;\r | |
1899 | NewOne->Close = FileInterfaceFileClose;\r | |
1900 | NewOne->Delete = FileInterfaceFileDelete;\r | |
1901 | NewOne->Read = FileInterfaceFileRead;\r | |
1902 | NewOne->Write = FileInterfaceFileWrite;\r | |
1903 | NewOne->GetPosition = FileInterfaceFileGetPosition;\r | |
1904 | NewOne->SetPosition = FileInterfaceFileSetPosition;\r | |
1905 | NewOne->GetInfo = FileInterfaceFileGetInfo;\r | |
1906 | NewOne->SetInfo = FileInterfaceFileSetInfo;\r | |
1907 | NewOne->Flush = FileInterfaceFileFlush;\r | |
1908 | \r | |
1909 | return ((EFI_FILE_PROTOCOL *)NewOne);\r | |
1910 | }\r |