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fd6a62f3 | 1 | /** @file\r |
2 | handles console redirection from boot manager\r | |
3 | \r | |
4 | Copyright (c) 2004 - 2008, Intel Corporation. <BR>\r | |
93e3992d | 5 | All rights reserved. This program and the accompanying materials\r |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
fd6a62f3 | 13 | **/\r |
93e3992d | 14 | \r |
15 | #include "BootMaint.h"\r | |
16 | \r | |
b30312ba | 17 | /**\r |
dce655e8 | 18 | Function creates a device path data structure that identically matches the\r |
19 | device path passed in.\r | |
b30312ba | 20 | \r |
b30312ba | 21 | \r |
dce655e8 | 22 | @param DevPath A pointer to a device path data structure.\r |
23 | \r | |
24 | @return The new copy of DevPath is created to identically match the input.\r | |
25 | @retval NULL Otherwise, NULL is returned.\r | |
b30312ba | 26 | \r |
27 | **/\r | |
93e3992d | 28 | EFI_DEVICE_PATH_PROTOCOL *\r |
29 | DevicePathInstanceDup (\r | |
30 | IN EFI_DEVICE_PATH_PROTOCOL *DevPath\r | |
31 | );\r | |
32 | \r | |
b30312ba | 33 | /**\r |
dce655e8 | 34 | Update Com Ports attributes from DevicePath\r |
b30312ba | 35 | \r |
b30312ba | 36 | \r |
dce655e8 | 37 | @param DevicePath DevicePath that contains Com ports\r |
38 | \r | |
39 | @retval EFI_SUCCESS The update is successful.\r | |
b30312ba | 40 | \r |
41 | **/\r | |
93e3992d | 42 | EFI_STATUS\r |
43 | UpdateComAttributeFromVariable (\r | |
44 | EFI_DEVICE_PATH_PROTOCOL *DevicePath\r | |
45 | );\r | |
46 | \r | |
b30312ba | 47 | /**\r |
dce655e8 | 48 | Update the multi-instance device path of Terminal Device based on\r |
49 | the global TerminalMenu. If ChangeTernimal is TRUE, the terminal \r | |
50 | device path in the Terminal Device in TerminalMenu is also updated.\r | |
b30312ba | 51 | \r |
dce655e8 | 52 | @param DevicePath The multi-instance device path.\r |
53 | @param ChangeTerminal TRUE, then device path in the Terminal Device \r | |
54 | in TerminalMenu is also updated; FALSE, no update.\r | |
b30312ba | 55 | \r |
dce655e8 | 56 | @return EFI_SUCCESS The function completes successfully.\r |
b30312ba | 57 | \r |
58 | **/\r | |
93e3992d | 59 | EFI_STATUS\r |
60 | ChangeTerminalDevicePath (\r | |
744fc758 | 61 | IN OUT EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r |
62 | IN BOOLEAN ChangeTerminal\r | |
93e3992d | 63 | )\r |
64 | {\r | |
65 | EFI_DEVICE_PATH_PROTOCOL *Node;\r | |
66 | EFI_DEVICE_PATH_PROTOCOL *Node1;\r | |
67 | ACPI_HID_DEVICE_PATH *Acpi;\r | |
68 | UART_DEVICE_PATH *Uart;\r | |
69 | UART_DEVICE_PATH *Uart1;\r | |
70 | UINTN Com;\r | |
71 | UINT32 Match;\r | |
72 | BM_TERMINAL_CONTEXT *NewTerminalContext;\r | |
73 | BM_MENU_ENTRY *NewMenuEntry;\r | |
74 | \r | |
75 | Match = EISA_PNP_ID (0x0501);\r | |
76 | Node = DevicePath;\r | |
77 | Node = NextDevicePathNode (Node);\r | |
78 | Com = 0;\r | |
79 | while (!IsDevicePathEnd (Node)) {\r | |
80 | if ((DevicePathType (Node) == ACPI_DEVICE_PATH) && (DevicePathSubType (Node) == ACPI_DP)) {\r | |
81 | Acpi = (ACPI_HID_DEVICE_PATH *) Node;\r | |
82 | if (CompareMem (&Acpi->HID, &Match, sizeof (UINT32)) == 0) {\r | |
83 | CopyMem (&Com, &Acpi->UID, sizeof (UINT32));\r | |
84 | }\r | |
85 | }\r | |
86 | \r | |
87 | NewMenuEntry = BOpt_GetMenuEntry (&TerminalMenu, Com);\r | |
93e3992d | 88 | \r |
89 | NewTerminalContext = (BM_TERMINAL_CONTEXT *) NewMenuEntry->VariableContext;\r | |
90 | if ((DevicePathType (Node) == MESSAGING_DEVICE_PATH) && (DevicePathSubType (Node) == MSG_UART_DP)) {\r | |
91 | Uart = (UART_DEVICE_PATH *) Node;\r | |
92 | CopyMem (\r | |
93 | &Uart->BaudRate,\r | |
94 | &NewTerminalContext->BaudRate,\r | |
95 | sizeof (UINT64)\r | |
96 | );\r | |
97 | \r | |
98 | CopyMem (\r | |
99 | &Uart->DataBits,\r | |
100 | &NewTerminalContext->DataBits,\r | |
101 | sizeof (UINT8)\r | |
102 | );\r | |
103 | \r | |
104 | CopyMem (\r | |
105 | &Uart->Parity,\r | |
106 | &NewTerminalContext->Parity,\r | |
107 | sizeof (UINT8)\r | |
108 | );\r | |
109 | \r | |
110 | CopyMem (\r | |
111 | &Uart->StopBits,\r | |
112 | &NewTerminalContext->StopBits,\r | |
113 | sizeof (UINT8)\r | |
114 | );\r | |
115 | //\r | |
116 | // Change the device path in the ComPort\r | |
117 | //\r | |
118 | if (ChangeTerminal) {\r | |
119 | Node1 = NewTerminalContext->DevicePath;\r | |
120 | Node1 = NextDevicePathNode (Node1);\r | |
121 | while (!IsDevicePathEnd (Node1)) {\r | |
122 | if ((DevicePathType (Node1) == MESSAGING_DEVICE_PATH) && (DevicePathSubType (Node1) == MSG_UART_DP)) {\r | |
123 | Uart1 = (UART_DEVICE_PATH *) Node1;\r | |
124 | CopyMem (\r | |
125 | &Uart1->BaudRate,\r | |
126 | &NewTerminalContext->BaudRate,\r | |
127 | sizeof (UINT64)\r | |
128 | );\r | |
129 | \r | |
130 | CopyMem (\r | |
131 | &Uart1->DataBits,\r | |
132 | &NewTerminalContext->DataBits,\r | |
133 | sizeof (UINT8)\r | |
134 | );\r | |
135 | \r | |
136 | CopyMem (\r | |
137 | &Uart1->Parity,\r | |
138 | &NewTerminalContext->Parity,\r | |
139 | sizeof (UINT8)\r | |
140 | );\r | |
141 | \r | |
142 | CopyMem (\r | |
143 | &Uart1->StopBits,\r | |
144 | &NewTerminalContext->StopBits,\r | |
145 | sizeof (UINT8)\r | |
146 | );\r | |
147 | break;\r | |
148 | }\r | |
149 | //\r | |
150 | // end if\r | |
151 | //\r | |
152 | Node1 = NextDevicePathNode (Node1);\r | |
153 | }\r | |
154 | //\r | |
155 | // end while\r | |
156 | //\r | |
157 | break;\r | |
158 | }\r | |
159 | }\r | |
160 | \r | |
161 | Node = NextDevicePathNode (Node);\r | |
162 | }\r | |
163 | \r | |
164 | return EFI_SUCCESS;\r | |
165 | \r | |
166 | }\r | |
167 | \r | |
b30312ba | 168 | /**\r |
dce655e8 | 169 | Update the device path that describing a terminal device\r |
170 | based on the new BaudRate, Data Bits, parity and Stop Bits\r | |
171 | set.\r | |
b30312ba | 172 | \r |
30394aa1 | 173 | @param DevicePath terminal device's path\r |
b30312ba | 174 | \r |
175 | **/\r | |
93e3992d | 176 | VOID\r |
177 | ChangeVariableDevicePath (\r | |
dce655e8 | 178 | IN OUT EFI_DEVICE_PATH_PROTOCOL *DevicePath\r |
93e3992d | 179 | )\r |
180 | {\r | |
181 | EFI_DEVICE_PATH_PROTOCOL *Node;\r | |
182 | ACPI_HID_DEVICE_PATH *Acpi;\r | |
183 | UART_DEVICE_PATH *Uart;\r | |
184 | UINTN Com;\r | |
185 | UINT32 Match;\r | |
186 | BM_TERMINAL_CONTEXT *NewTerminalContext;\r | |
187 | BM_MENU_ENTRY *NewMenuEntry;\r | |
188 | \r | |
189 | Match = EISA_PNP_ID (0x0501);\r | |
190 | Node = DevicePath;\r | |
191 | Node = NextDevicePathNode (Node);\r | |
192 | Com = 0;\r | |
193 | while (!IsDevicePathEnd (Node)) {\r | |
194 | if ((DevicePathType (Node) == ACPI_DEVICE_PATH) && (DevicePathSubType (Node) == ACPI_DP)) {\r | |
195 | Acpi = (ACPI_HID_DEVICE_PATH *) Node;\r | |
196 | if (CompareMem (&Acpi->HID, &Match, sizeof (UINT32)) == 0) {\r | |
197 | CopyMem (&Com, &Acpi->UID, sizeof (UINT32));\r | |
198 | }\r | |
199 | }\r | |
200 | \r | |
201 | if ((DevicePathType (Node) == MESSAGING_DEVICE_PATH) && (DevicePathSubType (Node) == MSG_UART_DP)) {\r | |
202 | NewMenuEntry = BOpt_GetMenuEntry (\r | |
203 | &TerminalMenu,\r | |
204 | Com\r | |
205 | );\r | |
206 | ASSERT (NewMenuEntry != NULL);\r | |
207 | NewTerminalContext = (BM_TERMINAL_CONTEXT *) NewMenuEntry->VariableContext;\r | |
208 | Uart = (UART_DEVICE_PATH *) Node;\r | |
209 | CopyMem (\r | |
210 | &Uart->BaudRate,\r | |
211 | &NewTerminalContext->BaudRate,\r | |
212 | sizeof (UINT64)\r | |
213 | );\r | |
214 | \r | |
215 | CopyMem (\r | |
216 | &Uart->DataBits,\r | |
217 | &NewTerminalContext->DataBits,\r | |
218 | sizeof (UINT8)\r | |
219 | );\r | |
220 | \r | |
221 | CopyMem (\r | |
222 | &Uart->Parity,\r | |
223 | &NewTerminalContext->Parity,\r | |
224 | sizeof (UINT8)\r | |
225 | );\r | |
226 | \r | |
227 | CopyMem (\r | |
228 | &Uart->StopBits,\r | |
229 | &NewTerminalContext->StopBits,\r | |
230 | sizeof (UINT8)\r | |
231 | );\r | |
232 | }\r | |
233 | \r | |
234 | Node = NextDevicePathNode (Node);\r | |
235 | }\r | |
93e3992d | 236 | }\r |
237 | \r | |
b30312ba | 238 | /**\r |
239 | Retrieve ACPI UID of UART from device path\r | |
240 | \r | |
dce655e8 | 241 | @param Handle The handle for the UART device.\r |
242 | @param AcpiUid The ACPI UID on output.\r | |
b30312ba | 243 | \r |
244 | @retval TRUE Find valid UID from device path\r | |
245 | @retval FALSE Can't find\r | |
246 | \r | |
247 | **/\r | |
93e3992d | 248 | BOOLEAN\r |
249 | RetrieveUartUid (\r | |
250 | IN EFI_HANDLE Handle,\r | |
251 | IN OUT UINT32 *AcpiUid\r | |
252 | )\r | |
93e3992d | 253 | {\r |
254 | UINT32 Match;\r | |
255 | UINT8 *Ptr;\r | |
256 | ACPI_HID_DEVICE_PATH *Acpi;\r | |
257 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
258 | \r | |
259 | gBS->HandleProtocol (\r | |
260 | Handle,\r | |
261 | &gEfiDevicePathProtocolGuid,\r | |
262 | (VOID **) &DevicePath\r | |
263 | );\r | |
264 | Ptr = (UINT8 *) DevicePath;\r | |
265 | \r | |
266 | while (*Ptr != END_DEVICE_PATH_TYPE) {\r | |
267 | Ptr++;\r | |
268 | }\r | |
269 | \r | |
270 | Ptr = Ptr - sizeof (UART_DEVICE_PATH) - sizeof (ACPI_HID_DEVICE_PATH);\r | |
271 | Acpi = (ACPI_HID_DEVICE_PATH *) Ptr;\r | |
272 | Match = EISA_PNP_ID (0x0501);\r | |
273 | \r | |
274 | if (CompareMem (&Acpi->HID, &Match, sizeof (UINT32)) == 0) {\r | |
275 | if (AcpiUid != NULL) {\r | |
276 | *AcpiUid = Acpi->UID;\r | |
277 | }\r | |
278 | return TRUE;\r | |
279 | } else {\r | |
280 | return FALSE;\r | |
281 | }\r | |
282 | }\r | |
283 | \r | |
b30312ba | 284 | /**\r |
744fc758 | 285 | Sort Uart handles array with Acpi->UID from low to high.\r |
b30312ba | 286 | \r |
b30312ba | 287 | @param Handles EFI_SERIAL_IO_PROTOCOL handle buffer\r |
288 | @param NoHandles EFI_SERIAL_IO_PROTOCOL handle count\r | |
b30312ba | 289 | **/\r |
93e3992d | 290 | VOID\r |
291 | SortedUartHandle (\r | |
292 | IN EFI_HANDLE *Handles,\r | |
293 | IN UINTN NoHandles\r | |
294 | )\r | |
93e3992d | 295 | {\r |
296 | UINTN Index1;\r | |
297 | UINTN Index2;\r | |
298 | UINTN Position;\r | |
299 | UINT32 AcpiUid1;\r | |
300 | UINT32 AcpiUid2;\r | |
301 | UINT32 TempAcpiUid;\r | |
302 | EFI_HANDLE TempHandle;\r | |
303 | \r | |
304 | for (Index1 = 0; Index1 < NoHandles-1; Index1++) {\r | |
305 | if (!RetrieveUartUid (Handles[Index1], &AcpiUid1)) {\r | |
306 | continue;\r | |
307 | }\r | |
308 | TempHandle = Handles[Index1];\r | |
309 | Position = Index1;\r | |
310 | TempAcpiUid = AcpiUid1;\r | |
311 | \r | |
312 | for (Index2 = Index1+1; Index2 < NoHandles; Index2++) {\r | |
313 | if (!RetrieveUartUid (Handles[Index2], &AcpiUid2)) {\r | |
314 | continue;\r | |
315 | }\r | |
316 | if (AcpiUid2 < TempAcpiUid) {\r | |
317 | TempAcpiUid = AcpiUid2;\r | |
318 | TempHandle = Handles[Index2];\r | |
319 | Position = Index2;\r | |
320 | }\r | |
321 | }\r | |
322 | Handles[Position] = Handles[Index1];\r | |
323 | Handles[Index1] = TempHandle;\r | |
324 | }\r | |
325 | }\r | |
326 | \r | |
b30312ba | 327 | /**\r |
dce655e8 | 328 | Test whether DevicePath is a valid Terminal\r |
b30312ba | 329 | \r |
b30312ba | 330 | \r |
dce655e8 | 331 | @param DevicePath DevicePath to be checked\r |
332 | @param Termi If DevicePath is valid Terminal, terminal type is returned.\r | |
333 | @param Com If DevicePath is valid Terminal, Com Port type is returned.\r | |
334 | \r | |
335 | @retval TRUE If DevicePath point to a Terminal.\r | |
336 | @retval FALSE If DevicePath does not point to a Terminal.\r | |
b30312ba | 337 | \r |
338 | **/\r | |
93e3992d | 339 | BOOLEAN\r |
340 | IsTerminalDevicePath (\r | |
341 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r | |
342 | OUT TYPE_OF_TERMINAL *Termi,\r | |
343 | OUT UINTN *Com\r | |
344 | );\r | |
345 | \r | |
b30312ba | 346 | /**\r |
744fc758 | 347 | Build a list containing all serial devices.\r |
93e3992d | 348 | \r |
93e3992d | 349 | \r |
744fc758 | 350 | @retval EFI_SUCCESS The function complete successfully.\r |
351 | @retval EFI_UNSUPPORTED No serial ports present.\r | |
93e3992d | 352 | \r |
b30312ba | 353 | **/\r |
354 | EFI_STATUS\r | |
355 | LocateSerialIo (\r | |
356 | VOID\r | |
357 | )\r | |
93e3992d | 358 | {\r |
359 | UINT8 *Ptr;\r | |
360 | UINTN Index;\r | |
361 | UINTN Index2;\r | |
362 | UINTN NoHandles;\r | |
363 | EFI_HANDLE *Handles;\r | |
364 | EFI_STATUS Status;\r | |
365 | ACPI_HID_DEVICE_PATH *Acpi;\r | |
366 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
367 | UINT32 Match;\r | |
368 | EFI_SERIAL_IO_PROTOCOL *SerialIo;\r | |
369 | EFI_DEVICE_PATH_PROTOCOL *OutDevicePath;\r | |
370 | EFI_DEVICE_PATH_PROTOCOL *InpDevicePath;\r | |
371 | EFI_DEVICE_PATH_PROTOCOL *ErrDevicePath;\r | |
372 | BM_MENU_ENTRY *NewMenuEntry;\r | |
373 | BM_TERMINAL_CONTEXT *NewTerminalContext;\r | |
374 | EFI_DEVICE_PATH_PROTOCOL *NewDevicePath;\r | |
375 | VENDOR_DEVICE_PATH Vendor;\r | |
376 | //\r | |
377 | // Get all handles that have SerialIo protocol installed\r | |
378 | //\r | |
379 | InitializeListHead (&TerminalMenu.Head);\r | |
380 | TerminalMenu.MenuNumber = 0;\r | |
381 | Status = gBS->LocateHandleBuffer (\r | |
382 | ByProtocol,\r | |
383 | &gEfiSerialIoProtocolGuid,\r | |
384 | NULL,\r | |
385 | &NoHandles,\r | |
386 | &Handles\r | |
387 | );\r | |
388 | if (EFI_ERROR (Status)) {\r | |
389 | //\r | |
390 | // No serial ports present\r | |
391 | //\r | |
392 | return EFI_UNSUPPORTED;\r | |
393 | }\r | |
394 | \r | |
395 | //\r | |
396 | // Sort Uart handles array with Acpi->UID from low to high\r | |
397 | // then Terminal menu can be built from low Acpi->UID to high Acpi->UID\r | |
398 | //\r | |
399 | SortedUartHandle (Handles, NoHandles);\r | |
400 | \r | |
401 | for (Index = 0; Index < NoHandles; Index++) {\r | |
402 | //\r | |
403 | // Check to see whether the handle has DevicePath Protocol installed\r | |
404 | //\r | |
405 | gBS->HandleProtocol (\r | |
406 | Handles[Index],\r | |
407 | &gEfiDevicePathProtocolGuid,\r | |
408 | (VOID **) &DevicePath\r | |
409 | );\r | |
410 | Ptr = (UINT8 *) DevicePath;\r | |
411 | while (*Ptr != END_DEVICE_PATH_TYPE) {\r | |
412 | Ptr++;\r | |
413 | }\r | |
414 | \r | |
415 | Ptr = Ptr - sizeof (UART_DEVICE_PATH) - sizeof (ACPI_HID_DEVICE_PATH);\r | |
416 | Acpi = (ACPI_HID_DEVICE_PATH *) Ptr;\r | |
417 | Match = EISA_PNP_ID (0x0501);\r | |
418 | \r | |
419 | if (CompareMem (&Acpi->HID, &Match, sizeof (UINT32)) == 0) {\r | |
420 | NewMenuEntry = BOpt_CreateMenuEntry (BM_TERMINAL_CONTEXT_SELECT);\r | |
a78b08d1 | 421 | if (NewMenuEntry == NULL) {\r |
676df92c | 422 | FreePool (Handles);\r |
93e3992d | 423 | return EFI_OUT_OF_RESOURCES;\r |
424 | }\r | |
425 | \r | |
426 | NewTerminalContext = (BM_TERMINAL_CONTEXT *) NewMenuEntry->VariableContext;\r | |
427 | CopyMem (&NewMenuEntry->OptionNumber, &Acpi->UID, sizeof (UINT32));\r | |
428 | NewTerminalContext->DevicePath = DevicePathInstanceDup (DevicePath);\r | |
429 | //\r | |
430 | // BugBug: I have no choice, calling EfiLibStrFromDatahub will hang the system!\r | |
431 | // coz' the misc data for each platform is not correct, actually it's the device path stored in\r | |
432 | // datahub which is not completed, so a searching for end of device path will enter a\r | |
433 | // dead-loop.\r | |
434 | //\r | |
435 | NewMenuEntry->DisplayString = EfiLibStrFromDatahub (DevicePath);\r | |
436 | if (NULL == NewMenuEntry->DisplayString) {\r | |
437 | NewMenuEntry->DisplayString = DevicePathToStr (DevicePath);\r | |
438 | }\r | |
439 | \r | |
440 | NewMenuEntry->HelpString = NULL;\r | |
441 | \r | |
442 | gBS->HandleProtocol (\r | |
443 | Handles[Index],\r | |
444 | &gEfiSerialIoProtocolGuid,\r | |
445 | (VOID **) &SerialIo\r | |
446 | );\r | |
447 | \r | |
448 | CopyMem (\r | |
449 | &NewTerminalContext->BaudRate,\r | |
450 | &SerialIo->Mode->BaudRate,\r | |
451 | sizeof (UINT64)\r | |
452 | );\r | |
453 | \r | |
454 | CopyMem (\r | |
455 | &NewTerminalContext->DataBits,\r | |
456 | &SerialIo->Mode->DataBits,\r | |
457 | sizeof (UINT8)\r | |
458 | );\r | |
459 | \r | |
460 | CopyMem (\r | |
461 | &NewTerminalContext->Parity,\r | |
462 | &SerialIo->Mode->Parity,\r | |
463 | sizeof (UINT8)\r | |
464 | );\r | |
465 | \r | |
466 | CopyMem (\r | |
467 | &NewTerminalContext->StopBits,\r | |
468 | &SerialIo->Mode->StopBits,\r | |
469 | sizeof (UINT8)\r | |
470 | );\r | |
471 | InsertTailList (&TerminalMenu.Head, &NewMenuEntry->Link);\r | |
472 | TerminalMenu.MenuNumber++;\r | |
473 | }\r | |
474 | }\r | |
676df92c | 475 | if (Handles != NULL) {\r |
476 | FreePool (Handles);\r | |
477 | }\r | |
93e3992d | 478 | \r |
479 | //\r | |
480 | // Get L"ConOut", L"ConIn" and L"ErrOut" from the Var\r | |
481 | //\r | |
482 | OutDevicePath = EfiLibGetVariable (L"ConOut", &gEfiGlobalVariableGuid);\r | |
483 | InpDevicePath = EfiLibGetVariable (L"ConIn", &gEfiGlobalVariableGuid);\r | |
484 | ErrDevicePath = EfiLibGetVariable (L"ErrOut", &gEfiGlobalVariableGuid);\r | |
a78b08d1 | 485 | if (OutDevicePath != NULL) {\r |
93e3992d | 486 | UpdateComAttributeFromVariable (OutDevicePath);\r |
487 | }\r | |
488 | \r | |
a78b08d1 | 489 | if (InpDevicePath != NULL) {\r |
93e3992d | 490 | UpdateComAttributeFromVariable (InpDevicePath);\r |
491 | }\r | |
492 | \r | |
a78b08d1 | 493 | if (ErrDevicePath != NULL) {\r |
93e3992d | 494 | UpdateComAttributeFromVariable (ErrDevicePath);\r |
495 | }\r | |
496 | \r | |
497 | for (Index = 0; Index < TerminalMenu.MenuNumber; Index++) {\r | |
498 | NewMenuEntry = BOpt_GetMenuEntry (&TerminalMenu, Index);\r | |
499 | if (NULL == NewMenuEntry) {\r | |
500 | return EFI_NOT_FOUND;\r | |
501 | }\r | |
502 | \r | |
503 | NewTerminalContext = (BM_TERMINAL_CONTEXT *) NewMenuEntry->VariableContext;\r | |
504 | \r | |
505 | NewTerminalContext->TerminalType = 0;\r | |
506 | NewTerminalContext->IsConIn = FALSE;\r | |
507 | NewTerminalContext->IsConOut = FALSE;\r | |
508 | NewTerminalContext->IsStdErr = FALSE;\r | |
509 | \r | |
510 | Vendor.Header.Type = MESSAGING_DEVICE_PATH;\r | |
511 | Vendor.Header.SubType = MSG_VENDOR_DP;\r | |
512 | \r | |
513 | for (Index2 = 0; Index2 < 4; Index2++) {\r | |
dce655e8 | 514 | CopyMem (&Vendor.Guid, &TerminalTypeGuid[Index2], sizeof (EFI_GUID));\r |
93e3992d | 515 | SetDevicePathNodeLength (&Vendor.Header, sizeof (VENDOR_DEVICE_PATH));\r |
516 | NewDevicePath = AppendDevicePathNode (\r | |
517 | NewTerminalContext->DevicePath,\r | |
518 | (EFI_DEVICE_PATH_PROTOCOL *) &Vendor\r | |
519 | );\r | |
676df92c | 520 | if (NewMenuEntry->HelpString != NULL) {\r |
521 | FreePool (NewMenuEntry->HelpString);\r | |
522 | }\r | |
93e3992d | 523 | //\r |
524 | // NewMenuEntry->HelpString = DevicePathToStr (NewDevicePath);\r | |
525 | // NewMenuEntry->DisplayString = NewMenuEntry->HelpString;\r | |
526 | //\r | |
527 | NewMenuEntry->HelpString = NULL;\r | |
528 | \r | |
529 | if (BdsLibMatchDevicePaths (OutDevicePath, NewDevicePath)) {\r | |
530 | NewTerminalContext->IsConOut = TRUE;\r | |
531 | NewTerminalContext->TerminalType = (UINT8) Index2;\r | |
532 | }\r | |
533 | \r | |
534 | if (BdsLibMatchDevicePaths (InpDevicePath, NewDevicePath)) {\r | |
535 | NewTerminalContext->IsConIn = TRUE;\r | |
536 | NewTerminalContext->TerminalType = (UINT8) Index2;\r | |
537 | }\r | |
538 | \r | |
539 | if (BdsLibMatchDevicePaths (ErrDevicePath, NewDevicePath)) {\r | |
540 | NewTerminalContext->IsStdErr = TRUE;\r | |
541 | NewTerminalContext->TerminalType = (UINT8) Index2;\r | |
542 | }\r | |
543 | }\r | |
544 | }\r | |
545 | \r | |
546 | return EFI_SUCCESS;\r | |
547 | }\r | |
548 | \r | |
b30312ba | 549 | /**\r |
93e3992d | 550 | Update Com Ports attributes from DevicePath\r |
551 | \r | |
93e3992d | 552 | \r |
b30312ba | 553 | @param DevicePath DevicePath that contains Com ports\r |
93e3992d | 554 | \r |
dce655e8 | 555 | @retval EFI_SUCCESS The update is successful.\r |
30394aa1 | 556 | @retval EFI_NOT_FOUND Can not find specific menu entry\r |
b30312ba | 557 | **/\r |
558 | EFI_STATUS\r | |
559 | UpdateComAttributeFromVariable (\r | |
560 | EFI_DEVICE_PATH_PROTOCOL *DevicePath\r | |
561 | )\r | |
93e3992d | 562 | {\r |
563 | EFI_DEVICE_PATH_PROTOCOL *Node;\r | |
564 | EFI_DEVICE_PATH_PROTOCOL *SerialNode;\r | |
565 | ACPI_HID_DEVICE_PATH *Acpi;\r | |
566 | UART_DEVICE_PATH *Uart;\r | |
567 | UART_DEVICE_PATH *Uart1;\r | |
568 | UINT32 Match;\r | |
569 | UINTN TerminalNumber;\r | |
570 | BM_MENU_ENTRY *NewMenuEntry;\r | |
571 | BM_TERMINAL_CONTEXT *NewTerminalContext;\r | |
572 | UINTN Index;\r | |
573 | \r | |
574 | Match = EISA_PNP_ID (0x0501);\r | |
575 | Node = DevicePath;\r | |
576 | Node = NextDevicePathNode (Node);\r | |
577 | TerminalNumber = 0;\r | |
578 | for (Index = 0; Index < TerminalMenu.MenuNumber; Index++) {\r | |
579 | while (!IsDevicePathEnd (Node)) {\r | |
580 | if ((DevicePathType (Node) == ACPI_DEVICE_PATH) && (DevicePathSubType (Node) == ACPI_DP)) {\r | |
581 | Acpi = (ACPI_HID_DEVICE_PATH *) Node;\r | |
582 | if (CompareMem (&Acpi->HID, &Match, sizeof (UINT32)) == 0) {\r | |
583 | CopyMem (&TerminalNumber, &Acpi->UID, sizeof (UINT32));\r | |
584 | }\r | |
585 | }\r | |
586 | \r | |
587 | if ((DevicePathType (Node) == MESSAGING_DEVICE_PATH) && (DevicePathSubType (Node) == MSG_UART_DP)) {\r | |
588 | Uart = (UART_DEVICE_PATH *) Node;\r | |
589 | NewMenuEntry = BOpt_GetMenuEntry (&TerminalMenu, TerminalNumber);\r | |
590 | if (NULL == NewMenuEntry) {\r | |
591 | return EFI_NOT_FOUND;\r | |
592 | }\r | |
593 | \r | |
594 | NewTerminalContext = (BM_TERMINAL_CONTEXT *) NewMenuEntry->VariableContext;\r | |
595 | CopyMem (\r | |
596 | &NewTerminalContext->BaudRate,\r | |
597 | &Uart->BaudRate,\r | |
598 | sizeof (UINT64)\r | |
599 | );\r | |
600 | \r | |
601 | CopyMem (\r | |
602 | &NewTerminalContext->DataBits,\r | |
603 | &Uart->DataBits,\r | |
604 | sizeof (UINT8)\r | |
605 | );\r | |
606 | \r | |
607 | CopyMem (\r | |
608 | &NewTerminalContext->Parity,\r | |
609 | &Uart->Parity,\r | |
610 | sizeof (UINT8)\r | |
611 | );\r | |
612 | \r | |
613 | CopyMem (\r | |
614 | &NewTerminalContext->StopBits,\r | |
615 | &Uart->StopBits,\r | |
616 | sizeof (UINT8)\r | |
617 | );\r | |
618 | \r | |
619 | SerialNode = NewTerminalContext->DevicePath;\r | |
620 | SerialNode = NextDevicePathNode (SerialNode);\r | |
621 | while (!IsDevicePathEnd (SerialNode)) {\r | |
622 | if ((DevicePathType (SerialNode) == MESSAGING_DEVICE_PATH) && (DevicePathSubType (SerialNode) == MSG_UART_DP)) {\r | |
623 | //\r | |
624 | // Update following device paths according to\r | |
625 | // previous acquired uart attributes\r | |
626 | //\r | |
627 | Uart1 = (UART_DEVICE_PATH *) SerialNode;\r | |
628 | CopyMem (\r | |
629 | &Uart1->BaudRate,\r | |
630 | &NewTerminalContext->BaudRate,\r | |
631 | sizeof (UINT64)\r | |
632 | );\r | |
633 | \r | |
634 | CopyMem (\r | |
635 | &Uart1->DataBits,\r | |
636 | &NewTerminalContext->DataBits,\r | |
637 | sizeof (UINT8)\r | |
638 | );\r | |
639 | CopyMem (\r | |
640 | &Uart1->Parity,\r | |
641 | &NewTerminalContext->Parity,\r | |
642 | sizeof (UINT8)\r | |
643 | );\r | |
644 | CopyMem (\r | |
645 | &Uart1->StopBits,\r | |
646 | &NewTerminalContext->StopBits,\r | |
647 | sizeof (UINT8)\r | |
648 | );\r | |
649 | \r | |
650 | break;\r | |
651 | }\r | |
652 | \r | |
653 | SerialNode = NextDevicePathNode (SerialNode);\r | |
654 | }\r | |
655 | //\r | |
656 | // end while\r | |
657 | //\r | |
658 | }\r | |
659 | \r | |
660 | Node = NextDevicePathNode (Node);\r | |
661 | }\r | |
662 | //\r | |
663 | // end while\r | |
664 | //\r | |
665 | }\r | |
666 | \r | |
667 | return EFI_SUCCESS;\r | |
668 | }\r | |
669 | \r | |
b30312ba | 670 | /**\r |
93e3992d | 671 | Function creates a device path data structure that identically matches the\r |
672 | device path passed in.\r | |
673 | \r | |
93e3992d | 674 | \r |
b30312ba | 675 | @param DevPath A pointer to a device path data structure.\r |
93e3992d | 676 | \r |
dce655e8 | 677 | @return The new copy of DevPath is created to identically match the input.\r |
678 | @retval NULL Otherwise, NULL is returned.\r | |
93e3992d | 679 | \r |
b30312ba | 680 | **/\r |
681 | EFI_DEVICE_PATH_PROTOCOL *\r | |
682 | DevicePathInstanceDup (\r | |
683 | IN EFI_DEVICE_PATH_PROTOCOL *DevPath\r | |
684 | )\r | |
93e3992d | 685 | {\r |
686 | EFI_DEVICE_PATH_PROTOCOL *NewDevPath;\r | |
687 | EFI_DEVICE_PATH_PROTOCOL *DevicePathInst;\r | |
688 | EFI_DEVICE_PATH_PROTOCOL *Temp;\r | |
689 | UINT8 *Ptr;\r | |
690 | UINTN Size;\r | |
691 | \r | |
692 | //\r | |
693 | // get the size of an instance from the input\r | |
694 | //\r | |
695 | Temp = DevPath;\r | |
696 | DevicePathInst = GetNextDevicePathInstance (&Temp, &Size);\r | |
697 | \r | |
698 | //\r | |
699 | // Make a copy and set proper end type\r | |
700 | //\r | |
701 | NewDevPath = NULL;\r | |
a78b08d1 | 702 | if (Size != 0) {\r |
dce655e8 | 703 | NewDevPath = AllocateZeroPool (Size);\r |
93e3992d | 704 | ASSERT (NewDevPath != NULL);\r |
705 | }\r | |
706 | \r | |
a78b08d1 | 707 | if (NewDevPath != NULL) {\r |
93e3992d | 708 | CopyMem (NewDevPath, DevicePathInst, Size);\r |
709 | Ptr = (UINT8 *) NewDevPath;\r | |
710 | Ptr += Size - sizeof (EFI_DEVICE_PATH_PROTOCOL);\r | |
711 | Temp = (EFI_DEVICE_PATH_PROTOCOL *) Ptr;\r | |
712 | SetDevicePathEndNode (Temp);\r | |
713 | }\r | |
714 | \r | |
715 | return NewDevPath;\r | |
716 | }\r | |
717 | \r | |
b30312ba | 718 | /**\r |
dce655e8 | 719 | Build up Console Menu based on types passed in. The type can\r |
720 | be BM_CONSOLE_IN_CONTEXT_SELECT, BM_CONSOLE_OUT_CONTEXT_SELECT\r | |
721 | and BM_CONSOLE_ERR_CONTEXT_SELECT.\r | |
b30312ba | 722 | \r |
dce655e8 | 723 | @param ConsoleMenuType Can be BM_CONSOLE_IN_CONTEXT_SELECT, BM_CONSOLE_OUT_CONTEXT_SELECT\r |
724 | and BM_CONSOLE_ERR_CONTEXT_SELECT.\r | |
b30312ba | 725 | \r |
dce655e8 | 726 | @retval EFI_UNSUPPORTED The type passed in is not in the 3 types defined.\r |
727 | @retval EFI_NOT_FOUND If the EFI Variable defined in UEFI spec with name "ConOutDev", \r | |
728 | "ConInDev" or "ConErrDev" doesn't exists.\r | |
729 | @retval EFI_OUT_OF_RESOURCES Not enough resource to complete the operations.\r | |
730 | @retval EFI_SUCCESS Function completes successfully.\r | |
b30312ba | 731 | \r |
732 | **/\r | |
93e3992d | 733 | EFI_STATUS\r |
734 | GetConsoleMenu (\r | |
735 | IN UINTN ConsoleMenuType\r | |
736 | )\r | |
737 | {\r | |
738 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
739 | EFI_DEVICE_PATH_PROTOCOL *AllDevicePath;\r | |
740 | EFI_DEVICE_PATH_PROTOCOL *MultiDevicePath;\r | |
741 | EFI_DEVICE_PATH_PROTOCOL *DevicePathInst;\r | |
742 | UINTN Size;\r | |
743 | UINTN AllCount;\r | |
744 | UINTN Index;\r | |
745 | UINTN Index2;\r | |
746 | BM_MENU_ENTRY *NewMenuEntry;\r | |
747 | BM_CONSOLE_CONTEXT *NewConsoleContext;\r | |
748 | TYPE_OF_TERMINAL Terminal;\r | |
749 | UINTN Com;\r | |
750 | BM_MENU_OPTION *ConsoleMenu;\r | |
751 | \r | |
752 | DevicePath = NULL;\r | |
753 | AllDevicePath = NULL;\r | |
754 | AllCount = 0;\r | |
755 | switch (ConsoleMenuType) {\r | |
756 | case BM_CONSOLE_IN_CONTEXT_SELECT:\r | |
757 | ConsoleMenu = &ConsoleInpMenu;\r | |
758 | DevicePath = EfiLibGetVariable (\r | |
759 | L"ConIn",\r | |
760 | &gEfiGlobalVariableGuid\r | |
761 | );\r | |
762 | \r | |
763 | AllDevicePath = EfiLibGetVariable (\r | |
764 | L"ConInDev",\r | |
765 | &gEfiGlobalVariableGuid\r | |
766 | );\r | |
767 | break;\r | |
768 | \r | |
769 | case BM_CONSOLE_OUT_CONTEXT_SELECT:\r | |
770 | ConsoleMenu = &ConsoleOutMenu;\r | |
771 | DevicePath = EfiLibGetVariable (\r | |
772 | L"ConOut",\r | |
773 | &gEfiGlobalVariableGuid\r | |
774 | );\r | |
775 | \r | |
776 | AllDevicePath = EfiLibGetVariable (\r | |
777 | L"ConOutDev",\r | |
778 | &gEfiGlobalVariableGuid\r | |
779 | );\r | |
780 | break;\r | |
781 | \r | |
782 | case BM_CONSOLE_ERR_CONTEXT_SELECT:\r | |
783 | ConsoleMenu = &ConsoleErrMenu;\r | |
784 | DevicePath = EfiLibGetVariable (\r | |
785 | L"ErrOut",\r | |
786 | &gEfiGlobalVariableGuid\r | |
787 | );\r | |
788 | \r | |
789 | AllDevicePath = EfiLibGetVariable (\r | |
790 | L"ErrOutDev",\r | |
791 | &gEfiGlobalVariableGuid\r | |
792 | );\r | |
793 | break;\r | |
794 | \r | |
795 | default:\r | |
796 | return EFI_UNSUPPORTED;\r | |
797 | }\r | |
798 | \r | |
799 | if (NULL == AllDevicePath) {\r | |
800 | return EFI_NOT_FOUND;\r | |
801 | }\r | |
802 | \r | |
803 | InitializeListHead (&ConsoleMenu->Head);\r | |
804 | \r | |
805 | AllCount = EfiDevicePathInstanceCount (AllDevicePath);\r | |
806 | ConsoleMenu->MenuNumber = 0;\r | |
807 | //\r | |
dce655e8 | 808 | // Following is menu building up for Console Devices selected.\r |
93e3992d | 809 | //\r |
810 | MultiDevicePath = AllDevicePath;\r | |
811 | Index2 = 0;\r | |
812 | for (Index = 0; Index < AllCount; Index++) {\r | |
813 | DevicePathInst = GetNextDevicePathInstance (&MultiDevicePath, &Size);\r | |
814 | \r | |
815 | NewMenuEntry = BOpt_CreateMenuEntry (BM_CONSOLE_CONTEXT_SELECT);\r | |
816 | if (NULL == NewMenuEntry) {\r | |
817 | return EFI_OUT_OF_RESOURCES;\r | |
818 | }\r | |
819 | \r | |
820 | NewConsoleContext = (BM_CONSOLE_CONTEXT *) NewMenuEntry->VariableContext;\r | |
821 | NewMenuEntry->OptionNumber = Index2;\r | |
822 | \r | |
823 | NewConsoleContext->DevicePath = DevicePathInstanceDup (DevicePathInst);\r | |
824 | NewMenuEntry->DisplayString = EfiLibStrFromDatahub (NewConsoleContext->DevicePath);\r | |
825 | if (NULL == NewMenuEntry->DisplayString) {\r | |
826 | NewMenuEntry->DisplayString = DevicePathToStr (NewConsoleContext->DevicePath);\r | |
827 | }\r | |
828 | \r | |
829 | NewConsoleContext->IsTerminal = IsTerminalDevicePath (\r | |
830 | NewConsoleContext->DevicePath,\r | |
831 | &Terminal,\r | |
832 | &Com\r | |
833 | );\r | |
834 | \r | |
835 | NewConsoleContext->IsActive = BdsLibMatchDevicePaths (\r | |
836 | DevicePath,\r | |
837 | NewConsoleContext->DevicePath\r | |
838 | );\r | |
839 | \r | |
840 | if (NewConsoleContext->IsTerminal) {\r | |
841 | BOpt_DestroyMenuEntry (NewMenuEntry);\r | |
842 | } else {\r | |
843 | Index2++;\r | |
844 | ConsoleMenu->MenuNumber++;\r | |
845 | InsertTailList (&ConsoleMenu->Head, &NewMenuEntry->Link);\r | |
846 | }\r | |
847 | }\r | |
848 | \r | |
849 | return EFI_SUCCESS;\r | |
850 | }\r | |
851 | \r | |
b30312ba | 852 | /**\r |
93e3992d | 853 | Build up ConsoleOutMenu, ConsoleInpMenu and ConsoleErrMenu\r |
854 | \r | |
dce655e8 | 855 | @retval EFI_SUCCESS The function always complete successfully.\r |
b30312ba | 856 | \r |
857 | **/\r | |
858 | EFI_STATUS\r | |
859 | GetAllConsoles (\r | |
860 | VOID\r | |
861 | )\r | |
93e3992d | 862 | {\r |
863 | GetConsoleMenu (BM_CONSOLE_IN_CONTEXT_SELECT);\r | |
864 | GetConsoleMenu (BM_CONSOLE_OUT_CONTEXT_SELECT);\r | |
865 | GetConsoleMenu (BM_CONSOLE_ERR_CONTEXT_SELECT);\r | |
866 | return EFI_SUCCESS;\r | |
867 | }\r | |
868 | \r | |
b30312ba | 869 | /**\r |
93e3992d | 870 | Free ConsoleOutMenu, ConsoleInpMenu and ConsoleErrMenu\r |
871 | \r | |
dce655e8 | 872 | @retval EFI_SUCCESS The function always complete successfully.\r |
b30312ba | 873 | **/\r |
874 | EFI_STATUS\r | |
875 | FreeAllConsoles (\r | |
876 | VOID\r | |
877 | )\r | |
93e3992d | 878 | {\r |
879 | BOpt_FreeMenu (&ConsoleOutMenu);\r | |
880 | BOpt_FreeMenu (&ConsoleInpMenu);\r | |
881 | BOpt_FreeMenu (&ConsoleErrMenu);\r | |
882 | BOpt_FreeMenu (&TerminalMenu);\r | |
883 | return EFI_SUCCESS;\r | |
884 | }\r | |
885 | \r | |
b30312ba | 886 | /**\r |
887 | Test whether DevicePath is a valid Terminal\r | |
888 | \r | |
889 | \r | |
890 | @param DevicePath DevicePath to be checked\r | |
dce655e8 | 891 | @param Termi If DevicePath is valid Terminal, terminal type is returned.\r |
892 | @param Com If DevicePath is valid Terminal, Com Port type is returned.\r | |
b30312ba | 893 | \r |
dce655e8 | 894 | @retval TRUE If DevicePath point to a Terminal.\r |
895 | @retval FALSE If DevicePath does not point to a Terminal.\r | |
b30312ba | 896 | \r |
897 | **/\r | |
93e3992d | 898 | BOOLEAN\r |
899 | IsTerminalDevicePath (\r | |
900 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r | |
901 | OUT TYPE_OF_TERMINAL *Termi,\r | |
902 | OUT UINTN *Com\r | |
903 | )\r | |
93e3992d | 904 | {\r |
905 | UINT8 *Ptr;\r | |
906 | BOOLEAN IsTerminal;\r | |
907 | VENDOR_DEVICE_PATH *Vendor;\r | |
908 | ACPI_HID_DEVICE_PATH *Acpi;\r | |
909 | UINT32 Match;\r | |
910 | EFI_GUID TempGuid;\r | |
911 | \r | |
912 | IsTerminal = FALSE;\r | |
913 | \r | |
914 | //\r | |
915 | // Parse the Device Path, should be change later!!!\r | |
916 | //\r | |
917 | Ptr = (UINT8 *) DevicePath;\r | |
918 | while (*Ptr != END_DEVICE_PATH_TYPE) {\r | |
919 | Ptr++;\r | |
920 | }\r | |
921 | \r | |
922 | Ptr = Ptr - sizeof (VENDOR_DEVICE_PATH);\r | |
923 | Vendor = (VENDOR_DEVICE_PATH *) Ptr;\r | |
924 | \r | |
925 | //\r | |
926 | // There are four kinds of Terminal types\r | |
927 | // check to see whether this devicepath\r | |
928 | // is one of that type\r | |
929 | //\r | |
930 | CopyMem (&TempGuid, &Vendor->Guid, sizeof (EFI_GUID));\r | |
931 | \r | |
dce655e8 | 932 | if (CompareGuid (&TempGuid, &TerminalTypeGuid[0])) {\r |
93e3992d | 933 | *Termi = PC_ANSI;\r |
934 | IsTerminal = TRUE;\r | |
935 | } else {\r | |
dce655e8 | 936 | if (CompareGuid (&TempGuid, &TerminalTypeGuid[1])) {\r |
93e3992d | 937 | *Termi = VT_100;\r |
938 | IsTerminal = TRUE;\r | |
939 | } else {\r | |
dce655e8 | 940 | if (CompareGuid (&TempGuid, &TerminalTypeGuid[2])) {\r |
93e3992d | 941 | *Termi = VT_100_PLUS;\r |
942 | IsTerminal = TRUE;\r | |
943 | } else {\r | |
dce655e8 | 944 | if (CompareGuid (&TempGuid, &TerminalTypeGuid[3])) {\r |
93e3992d | 945 | *Termi = VT_UTF8;\r |
946 | IsTerminal = TRUE;\r | |
947 | } else {\r | |
948 | IsTerminal = FALSE;\r | |
949 | }\r | |
950 | }\r | |
951 | }\r | |
952 | }\r | |
953 | \r | |
954 | if (!IsTerminal) {\r | |
955 | return FALSE;\r | |
956 | }\r | |
957 | \r | |
958 | Ptr = Ptr - sizeof (UART_DEVICE_PATH) - sizeof (ACPI_HID_DEVICE_PATH);\r | |
959 | Acpi = (ACPI_HID_DEVICE_PATH *) Ptr;\r | |
960 | Match = EISA_PNP_ID (0x0501);\r | |
961 | if (CompareMem (&Acpi->HID, &Match, sizeof (UINT32)) == 0) {\r | |
962 | CopyMem (Com, &Acpi->UID, sizeof (UINT32));\r | |
963 | } else {\r | |
964 | return FALSE;\r | |
965 | }\r | |
966 | \r | |
967 | return TRUE;\r | |
968 | }\r | |
969 | \r | |
b30312ba | 970 | /**\r |
93e3992d | 971 | Get mode number according to column and row\r |
972 | \r | |
dce655e8 | 973 | @param CallbackData The BMM context data.\r |
b30312ba | 974 | **/\r |
975 | VOID\r | |
976 | GetConsoleOutMode (\r | |
977 | IN BMM_CALLBACK_DATA *CallbackData\r | |
978 | )\r | |
93e3992d | 979 | {\r |
980 | UINTN Col;\r | |
981 | UINTN Row;\r | |
982 | UINTN CurrentCol;\r | |
983 | UINTN CurrentRow;\r | |
984 | UINTN Mode;\r | |
985 | UINTN MaxMode;\r | |
986 | EFI_STATUS Status;\r | |
987 | CONSOLE_OUT_MODE *ModeInfo;\r | |
988 | EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *ConOut;\r | |
989 | \r | |
990 | ConOut = gST->ConOut;\r | |
991 | MaxMode = (UINTN) (ConOut->Mode->MaxMode);\r | |
744fc758 | 992 | ModeInfo = EfiLibGetVariable (VAR_CON_OUT_MODE, &gEfiGenericPlatformVariableGuid);\r |
93e3992d | 993 | \r |
994 | if (ModeInfo != NULL) {\r | |
995 | CurrentCol = ModeInfo->Column;\r | |
996 | CurrentRow = ModeInfo->Row;\r | |
997 | for (Mode = 0; Mode < MaxMode; Mode++) {\r | |
998 | Status = ConOut->QueryMode (ConOut, Mode, &Col, &Row);\r | |
999 | if (!EFI_ERROR(Status)) {\r | |
1000 | if (CurrentCol == Col && CurrentRow == Row) {\r | |
1001 | CallbackData->BmmFakeNvData.ConsoleOutMode = (UINT16) Mode;\r | |
1002 | break;\r | |
1003 | }\r | |
1004 | }\r | |
1005 | }\r | |
676df92c | 1006 | FreePool (ModeInfo);\r |
93e3992d | 1007 | }\r |
93e3992d | 1008 | }\r |