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fb0b259e | 1 | /** @file\r |
11baadb6 | 2 | Produces Simple Text Input Protocol, Simple Text Input Extended Protocol and\r |
fb0b259e | 3 | Simple Text Output Protocol upon Serial IO Protocol.\r |
95276127 | 4 | \r |
fb0b259e | 5 | Copyright (c) 2006 - 2008, Intel Corporation. <BR>\r |
95276127 | 6 | All rights reserved. This program and the accompanying materials\r |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
fb0b259e | 14 | **/\r |
95276127 | 15 | \r |
16 | \r | |
95276127 | 17 | #include "Terminal.h"\r |
18 | \r | |
95276127 | 19 | //\r |
20 | // Globals\r | |
21 | //\r | |
22 | EFI_DRIVER_BINDING_PROTOCOL gTerminalDriverBinding = {\r | |
23 | TerminalDriverBindingSupported,\r | |
24 | TerminalDriverBindingStart,\r | |
25 | TerminalDriverBindingStop,\r | |
26 | 0xa,\r | |
27 | NULL,\r | |
28 | NULL\r | |
29 | };\r | |
30 | \r | |
31 | \r | |
6b88ceec A |
32 | EFI_GUID *gTerminalType[] = {\r |
33 | &gEfiPcAnsiGuid,\r | |
34 | &gEfiVT100Guid,\r | |
35 | &gEfiVT100PlusGuid,\r | |
36 | &gEfiVTUTF8Guid\r | |
37 | };\r | |
38 | \r | |
39 | \r | |
204ba917 | 40 | TERMINAL_DEV mTerminalDevTemplate = {\r |
6b88ceec A |
41 | TERMINAL_DEV_SIGNATURE,\r |
42 | NULL,\r | |
43 | 0,\r | |
44 | NULL,\r | |
45 | NULL,\r | |
46 | { // SimpleTextInput\r | |
47 | TerminalConInReset,\r | |
48 | TerminalConInReadKeyStroke,\r | |
49 | NULL\r | |
50 | },\r | |
51 | { // SimpleTextOutput\r | |
52 | TerminalConOutReset,\r | |
53 | TerminalConOutOutputString,\r | |
54 | TerminalConOutTestString,\r | |
55 | TerminalConOutQueryMode,\r | |
56 | TerminalConOutSetMode,\r | |
57 | TerminalConOutSetAttribute,\r | |
58 | TerminalConOutClearScreen,\r | |
59 | TerminalConOutSetCursorPosition,\r | |
60 | TerminalConOutEnableCursor,\r | |
61 | NULL\r | |
62 | },\r | |
63 | { // SimpleTextOutputMode\r | |
64 | 1, // MaxMode\r | |
11baadb6 | 65 | 0, // Mode\r |
6b88ceec A |
66 | EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK), // Attribute\r |
67 | 0, // CursorColumn\r | |
68 | 0, // CursorRow\r | |
69 | TRUE // CursorVisible\r | |
70 | },\r | |
11baadb6 | 71 | 0, // SerialInTimeOut\r |
72 | { // RawFiFo\r | |
6b88ceec A |
73 | 0,\r |
74 | 0,\r | |
75 | { 0 }\r | |
76 | },\r | |
11baadb6 | 77 | { // UnicodeFiFo\r |
6b88ceec A |
78 | 0,\r |
79 | 0,\r | |
80 | { 0 }\r | |
81 | },\r | |
11baadb6 | 82 | { // EfiKeyFiFo\r |
6b88ceec A |
83 | 0,\r |
84 | 0,\r | |
84b5c78e | 85 | { {0} }\r |
6b88ceec A |
86 | },\r |
87 | NULL, // ControllerNameTable\r | |
11baadb6 | 88 | NULL, // TwoSecondTimeOut\r |
6b88ceec A |
89 | INPUT_STATE_DEFAULT,\r |
90 | RESET_STATE_DEFAULT,\r | |
66aa04e4 | 91 | FALSE,\r |
92 | { // SimpleTextInputEx\r | |
93 | TerminalConInResetEx,\r | |
94 | TerminalConInReadKeyStrokeEx,\r | |
95 | NULL,\r | |
96 | TerminalConInSetState,\r | |
97 | TerminalConInRegisterKeyNotify,\r | |
98 | TerminalConInUnregisterKeyNotify,\r | |
99 | },\r | |
11baadb6 | 100 | { // NotifyList\r |
66aa04e4 | 101 | NULL,\r |
102 | NULL,\r | |
103 | }\r | |
6b88ceec A |
104 | };\r |
105 | \r | |
8fd98315 | 106 | /**\r |
ab76200c | 107 | Test to see if this driver supports Controller. \r |
8fd98315 | 108 | \r |
109 | @param This Protocol instance pointer.\r | |
ab76200c | 110 | @param Controller Handle of device to test\r |
8fd98315 | 111 | @param RemainingDevicePath Optional parameter use to pick a specific child\r |
112 | device to start.\r | |
113 | \r | |
ab76200c | 114 | @retval EFI_SUCCESS This driver supports this device.\r |
115 | @retval EFI_ALREADY_STARTED This driver is already running on this device.\r | |
116 | @retval other This driver does not support this device.\r | |
6b88ceec | 117 | \r |
8fd98315 | 118 | **/\r |
95276127 | 119 | EFI_STATUS\r |
120 | EFIAPI\r | |
121 | TerminalDriverBindingSupported (\r | |
122 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
123 | IN EFI_HANDLE Controller,\r | |
124 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
125 | )\r | |
126 | {\r | |
127 | EFI_STATUS Status;\r | |
128 | EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r | |
129 | EFI_SERIAL_IO_PROTOCOL *SerialIo;\r | |
130 | VENDOR_DEVICE_PATH *Node;\r | |
131 | \r | |
132 | //\r | |
133 | // If remaining device path is not NULL, then make sure it is a\r | |
134 | // device path that describes a terminal communications protocol.\r | |
135 | //\r | |
136 | if (RemainingDevicePath != NULL) {\r | |
137 | \r | |
138 | Node = (VENDOR_DEVICE_PATH *) RemainingDevicePath;\r | |
139 | \r | |
140 | if (Node->Header.Type != MESSAGING_DEVICE_PATH ||\r | |
141 | Node->Header.SubType != MSG_VENDOR_DP ||\r | |
142 | DevicePathNodeLength(&Node->Header) != sizeof(VENDOR_DEVICE_PATH)) {\r | |
143 | \r | |
144 | return EFI_UNSUPPORTED;\r | |
145 | \r | |
146 | }\r | |
147 | //\r | |
148 | // only supports PC ANSI, VT100, VT100+ and VT-UTF8 terminal types\r | |
149 | //\r | |
150 | if (!CompareGuid (&Node->Guid, &gEfiPcAnsiGuid) &&\r | |
151 | !CompareGuid (&Node->Guid, &gEfiVT100Guid) &&\r | |
152 | !CompareGuid (&Node->Guid, &gEfiVT100PlusGuid) &&\r | |
153 | !CompareGuid (&Node->Guid, &gEfiVTUTF8Guid)) {\r | |
154 | \r | |
155 | return EFI_UNSUPPORTED;\r | |
156 | }\r | |
157 | }\r | |
158 | //\r | |
159 | // Open the IO Abstraction(s) needed to perform the supported test\r | |
160 | //\r | |
161 | Status = gBS->OpenProtocol (\r | |
162 | Controller,\r | |
163 | &gEfiDevicePathProtocolGuid,\r | |
164 | (VOID **) &ParentDevicePath,\r | |
165 | This->DriverBindingHandle,\r | |
166 | Controller,\r | |
167 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
168 | );\r | |
169 | if (Status == EFI_ALREADY_STARTED) {\r | |
170 | return EFI_SUCCESS;\r | |
171 | }\r | |
172 | \r | |
173 | if (EFI_ERROR (Status)) {\r | |
174 | return Status;\r | |
175 | }\r | |
176 | \r | |
177 | gBS->CloseProtocol (\r | |
178 | Controller,\r | |
179 | &gEfiDevicePathProtocolGuid,\r | |
180 | This->DriverBindingHandle,\r | |
181 | Controller\r | |
182 | );\r | |
183 | \r | |
184 | //\r | |
185 | // The Controller must support the Serial I/O Protocol.\r | |
186 | // This driver is a bus driver with at most 1 child device, so it is\r | |
187 | // ok for it to be already started.\r | |
188 | //\r | |
189 | Status = gBS->OpenProtocol (\r | |
190 | Controller,\r | |
191 | &gEfiSerialIoProtocolGuid,\r | |
192 | (VOID **) &SerialIo,\r | |
193 | This->DriverBindingHandle,\r | |
194 | Controller,\r | |
195 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
196 | );\r | |
197 | if (Status == EFI_ALREADY_STARTED) {\r | |
198 | return EFI_SUCCESS;\r | |
199 | }\r | |
200 | \r | |
201 | if (EFI_ERROR (Status)) {\r | |
202 | return Status;\r | |
203 | }\r | |
204 | //\r | |
205 | // Close the I/O Abstraction(s) used to perform the supported test\r | |
206 | //\r | |
207 | gBS->CloseProtocol (\r | |
208 | Controller,\r | |
209 | &gEfiSerialIoProtocolGuid,\r | |
210 | This->DriverBindingHandle,\r | |
211 | Controller\r | |
212 | );\r | |
213 | \r | |
214 | return Status;\r | |
215 | }\r | |
216 | \r | |
e49ef433 | 217 | /**\r |
ab76200c | 218 | Start this driver on Controller by opening a Serial IO protocol,\r |
8fd98315 | 219 | reading Device Path, and creating a child handle with a Simple Text In,\r |
220 | Simple Text In Ex and Simple Text Out protocol, and device path protocol.\r | |
221 | And store Console Device Environment Variables.\r | |
e49ef433 | 222 | \r |
8fd98315 | 223 | @param This Protocol instance pointer.\r |
ab76200c | 224 | @param Controller Handle of device to bind driver to\r |
8fd98315 | 225 | @param RemainingDevicePath Optional parameter use to pick a specific child\r |
226 | device to start.\r | |
e49ef433 | 227 | \r |
ab76200c | 228 | @retval EFI_SUCCESS This driver is added to Controller.\r |
229 | @retval EFI_ALREADY_STARTED This driver is already running on Controller.\r | |
230 | @retval other This driver does not support this device.\r | |
e49ef433 | 231 | \r |
232 | **/\r | |
95276127 | 233 | EFI_STATUS\r |
234 | EFIAPI\r | |
235 | TerminalDriverBindingStart (\r | |
236 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
237 | IN EFI_HANDLE Controller,\r | |
238 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
239 | )\r | |
95276127 | 240 | {\r |
241 | EFI_STATUS Status;\r | |
242 | EFI_SERIAL_IO_PROTOCOL *SerialIo;\r | |
243 | EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r | |
244 | VENDOR_DEVICE_PATH *Node;\r | |
245 | VENDOR_DEVICE_PATH *DefaultNode;\r | |
246 | EFI_SERIAL_IO_MODE *Mode;\r | |
247 | UINTN SerialInTimeOut;\r | |
248 | TERMINAL_DEV *TerminalDevice;\r | |
249 | UINT8 TerminalType;\r | |
250 | EFI_OPEN_PROTOCOL_INFORMATION_ENTRY *OpenInfoBuffer;\r | |
251 | UINTN EntryCount;\r | |
252 | UINTN Index;\r | |
253 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
c4f9201e | 254 | EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *SimpleTextOutput;\r |
95276127 | 255 | \r |
256 | TerminalDevice = NULL;\r | |
257 | DefaultNode = NULL;\r | |
258 | //\r | |
259 | // Get the Device Path Protocol to build the device path of the child device\r | |
260 | //\r | |
261 | Status = gBS->OpenProtocol (\r | |
262 | Controller,\r | |
263 | &gEfiDevicePathProtocolGuid,\r | |
264 | (VOID **) &ParentDevicePath,\r | |
265 | This->DriverBindingHandle,\r | |
266 | Controller,\r | |
267 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
268 | );\r | |
269 | if (EFI_ERROR (Status) && Status != EFI_ALREADY_STARTED) {\r | |
270 | return Status;\r | |
271 | }\r | |
95276127 | 272 | \r |
273 | //\r | |
274 | // Open the Serial I/O Protocol BY_DRIVER. It might already be started.\r | |
275 | //\r | |
276 | Status = gBS->OpenProtocol (\r | |
277 | Controller,\r | |
278 | &gEfiSerialIoProtocolGuid,\r | |
279 | (VOID **) &SerialIo,\r | |
280 | This->DriverBindingHandle,\r | |
281 | Controller,\r | |
282 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
283 | );\r | |
284 | if (EFI_ERROR (Status) && Status != EFI_ALREADY_STARTED) {\r | |
285 | return Status;\r | |
286 | }\r | |
287 | \r | |
288 | if (Status != EFI_ALREADY_STARTED) {\r | |
289 | //\r | |
290 | // If Serial I/O is not already open by this driver, then tag the handle\r | |
291 | // with the Terminal Driver GUID and update the ConInDev, ConOutDev, and\r | |
292 | // StdErrDev variables with the list of possible terminal types on this\r | |
293 | // serial port.\r | |
294 | //\r | |
295 | Status = gBS->OpenProtocol (\r | |
296 | Controller,\r | |
297 | &gEfiCallerIdGuid,\r | |
298 | NULL,\r | |
299 | This->DriverBindingHandle,\r | |
300 | Controller,\r | |
301 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
302 | );\r | |
303 | if (EFI_ERROR (Status)) {\r | |
304 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
305 | &Controller,\r | |
306 | &gEfiCallerIdGuid,\r | |
307 | DuplicateDevicePath (ParentDevicePath),\r | |
308 | NULL\r | |
309 | );\r | |
310 | if (EFI_ERROR (Status)) {\r | |
311 | goto Error;\r | |
312 | }\r | |
313 | //\r | |
314 | // if the serial device is a hot plug device, do not update the\r | |
315 | // ConInDev, ConOutDev, and StdErrDev variables.\r | |
316 | //\r | |
317 | Status = gBS->OpenProtocol (\r | |
318 | Controller,\r | |
319 | &gEfiHotPlugDeviceGuid,\r | |
320 | NULL,\r | |
321 | This->DriverBindingHandle,\r | |
322 | Controller,\r | |
323 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
324 | );\r | |
325 | if (EFI_ERROR (Status)) {\r | |
ff37790d | 326 | TerminalUpdateConsoleDevVariable (L"ConInDev", ParentDevicePath);\r |
84ea1415 | 327 | TerminalUpdateConsoleDevVariable (L"ConOutDev", ParentDevicePath);\r |
ff37790d | 328 | TerminalUpdateConsoleDevVariable (L"ErrOutDev", ParentDevicePath);\r |
95276127 | 329 | }\r |
330 | }\r | |
331 | }\r | |
332 | //\r | |
333 | // Make sure a child handle does not already exist. This driver can only\r | |
334 | // produce one child per serial port.\r | |
335 | //\r | |
336 | Status = gBS->OpenProtocolInformation (\r | |
337 | Controller,\r | |
338 | &gEfiSerialIoProtocolGuid,\r | |
339 | &OpenInfoBuffer,\r | |
340 | &EntryCount\r | |
341 | );\r | |
342 | if (!EFI_ERROR (Status)) {\r | |
343 | Status = EFI_SUCCESS;\r | |
344 | for (Index = 0; Index < EntryCount; Index++) {\r | |
345 | if (OpenInfoBuffer[Index].Attributes & EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER) {\r | |
346 | Status = EFI_ALREADY_STARTED;\r | |
347 | }\r | |
348 | }\r | |
349 | \r | |
350 | FreePool (OpenInfoBuffer);\r | |
351 | if (EFI_ERROR (Status)) {\r | |
352 | return Status;\r | |
353 | }\r | |
354 | }\r | |
355 | //\r | |
356 | // If RemainingDevicePath is NULL, then create default device path node\r | |
357 | //\r | |
358 | if (RemainingDevicePath == NULL) {\r | |
6b88ceec | 359 | DefaultNode = AllocateZeroPool (sizeof (VENDOR_DEVICE_PATH));\r |
95276127 | 360 | if (DefaultNode == NULL) {\r |
361 | Status = EFI_OUT_OF_RESOURCES;\r | |
362 | goto Error;\r | |
363 | }\r | |
364 | \r | |
e8cb61fe | 365 | TerminalType = FixedPcdGet8 (PcdDefaultTerminalType);\r |
8fd98315 | 366 | //\r |
367 | // Must be between PCANSITYPE (0) and VTUTF8TYPE (3)\r | |
368 | //\r | |
e49ef433 | 369 | ASSERT (TerminalType <= VTUTF8TYPE);\r |
95276127 | 370 | \r |
6b88ceec | 371 | CopyMem (&DefaultNode->Guid, gTerminalType[TerminalType], sizeof (EFI_GUID));\r |
ab76200c | 372 | RemainingDevicePath = (EFI_DEVICE_PATH_PROTOCOL *) DefaultNode;\r |
95276127 | 373 | } else {\r |
6b88ceec A |
374 | //\r |
375 | // Use the RemainingDevicePath to determine the terminal type\r | |
376 | //\r | |
377 | Node = (VENDOR_DEVICE_PATH *)RemainingDevicePath;\r | |
378 | if (CompareGuid (&Node->Guid, &gEfiPcAnsiGuid)) {\r | |
e49ef433 | 379 | TerminalType = PCANSITYPE;\r |
6b88ceec | 380 | } else if (CompareGuid (&Node->Guid, &gEfiVT100Guid)) {\r |
e49ef433 | 381 | TerminalType = VT100TYPE;\r |
6b88ceec | 382 | } else if (CompareGuid (&Node->Guid, &gEfiVT100PlusGuid)) {\r |
e49ef433 | 383 | TerminalType = VT100PLUSTYPE;\r |
6b88ceec | 384 | } else if (CompareGuid (&Node->Guid, &gEfiVTUTF8Guid)) {\r |
e49ef433 | 385 | TerminalType = VTUTF8TYPE;\r |
6b88ceec A |
386 | } else {\r |
387 | goto Error;\r | |
388 | }\r | |
95276127 | 389 | }\r |
6b88ceec | 390 | \r |
95276127 | 391 | //\r |
392 | // Initialize the Terminal Dev\r | |
393 | //\r | |
204ba917 | 394 | TerminalDevice = AllocateCopyPool (sizeof (TERMINAL_DEV), &mTerminalDevTemplate);\r |
95276127 | 395 | if (TerminalDevice == NULL) {\r |
396 | Status = EFI_OUT_OF_RESOURCES;\r | |
397 | goto Error;\r | |
398 | }\r | |
399 | \r | |
95276127 | 400 | TerminalDevice->TerminalType = TerminalType;\r |
95276127 | 401 | TerminalDevice->SerialIo = SerialIo;\r |
402 | \r | |
66aa04e4 | 403 | InitializeListHead (&TerminalDevice->NotifyList);\r |
404 | Status = gBS->CreateEvent (\r | |
405 | EVT_NOTIFY_WAIT,\r | |
406 | TPL_NOTIFY,\r | |
407 | TerminalConInWaitForKeyEx,\r | |
408 | &TerminalDevice->SimpleInputEx,\r | |
409 | &TerminalDevice->SimpleInputEx.WaitForKeyEx\r | |
410 | );\r | |
411 | if (EFI_ERROR (Status)) {\r | |
412 | goto Error;\r | |
413 | }\r | |
414 | \r | |
415 | \r | |
95276127 | 416 | Status = gBS->CreateEvent (\r |
417 | EVT_NOTIFY_WAIT,\r | |
418 | TPL_NOTIFY,\r | |
419 | TerminalConInWaitForKey,\r | |
420 | &TerminalDevice->SimpleInput,\r | |
421 | &TerminalDevice->SimpleInput.WaitForKey\r | |
422 | );\r | |
423 | if (EFI_ERROR (Status)) {\r | |
424 | goto Error;\r | |
425 | }\r | |
426 | //\r | |
427 | // initialize the FIFO buffer used for accommodating\r | |
428 | // the pre-read pending characters\r | |
429 | //\r | |
430 | InitializeRawFiFo (TerminalDevice);\r | |
431 | InitializeUnicodeFiFo (TerminalDevice);\r | |
432 | InitializeEfiKeyFiFo (TerminalDevice);\r | |
433 | \r | |
434 | //\r | |
435 | // Set the timeout value of serial buffer for\r | |
436 | // keystroke response performance issue\r | |
437 | //\r | |
438 | Mode = TerminalDevice->SerialIo->Mode;\r | |
66aa04e4 | 439 | \r |
95276127 | 440 | SerialInTimeOut = 0;\r |
441 | if (Mode->BaudRate != 0) {\r | |
442 | SerialInTimeOut = (1 + Mode->DataBits + Mode->StopBits) * 2 * 1000000 / (UINTN) Mode->BaudRate;\r | |
443 | }\r | |
444 | \r | |
445 | Status = TerminalDevice->SerialIo->SetAttributes (\r | |
446 | TerminalDevice->SerialIo,\r | |
447 | Mode->BaudRate,\r | |
448 | Mode->ReceiveFifoDepth,\r | |
449 | (UINT32) SerialInTimeOut,\r | |
450 | (EFI_PARITY_TYPE) (Mode->Parity),\r | |
451 | (UINT8) Mode->DataBits,\r | |
452 | (EFI_STOP_BITS_TYPE) (Mode->StopBits)\r | |
453 | );\r | |
454 | if (EFI_ERROR (Status)) {\r | |
455 | //\r | |
456 | // if set attributes operation fails, invalidate\r | |
457 | // the value of SerialInTimeOut,thus make it\r | |
458 | // inconsistent with the default timeout value\r | |
459 | // of serial buffer. This will invoke the recalculation\r | |
460 | // in the readkeystroke routine.\r | |
461 | //\r | |
462 | TerminalDevice->SerialInTimeOut = 0;\r | |
463 | } else {\r | |
464 | TerminalDevice->SerialInTimeOut = SerialInTimeOut;\r | |
465 | }\r | |
466 | //\r | |
467 | // Build the device path for the child device\r | |
468 | //\r | |
469 | Status = SetTerminalDevicePath (\r | |
470 | TerminalDevice->TerminalType,\r | |
471 | ParentDevicePath,\r | |
472 | &TerminalDevice->DevicePath\r | |
473 | );\r | |
474 | if (EFI_ERROR (Status)) {\r | |
475 | goto Error;\r | |
476 | }\r | |
477 | \r | |
478 | DevicePath = TerminalDevice->DevicePath;\r | |
479 | \r | |
480 | Status = TerminalDevice->SimpleInput.Reset (\r | |
481 | &TerminalDevice->SimpleInput,\r | |
482 | FALSE\r | |
483 | );\r | |
484 | if (EFI_ERROR (Status)) {\r | |
485 | //\r | |
486 | // Need to report Error Code first\r | |
487 | //\r | |
488 | goto ReportError;\r | |
489 | }\r | |
490 | //\r | |
c4f9201e | 491 | // Set Simple Text Output Protocol from template.\r |
95276127 | 492 | //\r |
c4f9201e | 493 | SimpleTextOutput = CopyMem (\r |
494 | &TerminalDevice->SimpleTextOutput,\r | |
495 | &mTerminalDevTemplate.SimpleTextOutput,\r | |
496 | sizeof (mTerminalDevTemplate.SimpleTextOutput)\r | |
497 | );\r | |
498 | SimpleTextOutput->Mode = &TerminalDevice->SimpleTextOutputMode;\r | |
95276127 | 499 | \r |
7347d5d6 | 500 | TerminalDevice->SimpleTextOutputMode.MaxMode = 3;\r |
3012ce5c | 501 | //\r |
502 | // For terminal devices, cursor is always visible\r | |
503 | //\r | |
504 | TerminalDevice->SimpleTextOutputMode.CursorVisible = TRUE;\r | |
c4f9201e | 505 | Status = TerminalConOutSetAttribute (\r |
506 | SimpleTextOutput,\r | |
507 | EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK)\r | |
508 | );\r | |
3012ce5c | 509 | if (EFI_ERROR (Status)) {\r |
510 | goto ReportError;\r | |
511 | }\r | |
512 | \r | |
c4f9201e | 513 | Status = TerminalConOutReset (SimpleTextOutput, FALSE);\r |
95276127 | 514 | if (EFI_ERROR (Status)) {\r |
515 | goto ReportError;\r | |
516 | }\r | |
517 | \r | |
c4f9201e | 518 | Status = TerminalConOutSetMode (SimpleTextOutput, 0);\r |
95276127 | 519 | if (EFI_ERROR (Status)) {\r |
520 | goto ReportError;\r | |
521 | }\r | |
522 | \r | |
c4f9201e | 523 | Status = TerminalConOutEnableCursor (SimpleTextOutput, TRUE);\r |
95276127 | 524 | if (EFI_ERROR (Status)) {\r |
525 | goto ReportError;\r | |
526 | }\r | |
95276127 | 527 | \r |
528 | Status = gBS->CreateEvent (\r | |
529 | EVT_TIMER,\r | |
530 | TPL_CALLBACK,\r | |
531 | NULL,\r | |
532 | NULL,\r | |
533 | &TerminalDevice->TwoSecondTimeOut\r | |
534 | );\r | |
535 | \r | |
536 | //\r | |
537 | // Build the component name for the child device\r | |
538 | //\r | |
539 | TerminalDevice->ControllerNameTable = NULL;\r | |
540 | switch (TerminalDevice->TerminalType) {\r | |
e49ef433 | 541 | case PCANSITYPE:\r |
5bca971e | 542 | AddUnicodeString2 (\r |
95276127 | 543 | "eng",\r |
544 | gTerminalComponentName.SupportedLanguages,\r | |
545 | &TerminalDevice->ControllerNameTable,\r | |
5bca971e | 546 | (CHAR16 *)L"PC-ANSI Serial Console",\r |
547 | TRUE\r | |
95276127 | 548 | );\r |
5bca971e | 549 | AddUnicodeString2 (\r |
550 | "en",\r | |
551 | gTerminalComponentName2.SupportedLanguages,\r | |
552 | &TerminalDevice->ControllerNameTable,\r | |
553 | (CHAR16 *)L"PC-ANSI Serial Console",\r | |
554 | FALSE\r | |
555 | );\r | |
556 | \r | |
95276127 | 557 | break;\r |
558 | \r | |
e49ef433 | 559 | case VT100TYPE:\r |
5bca971e | 560 | AddUnicodeString2 (\r |
95276127 | 561 | "eng",\r |
562 | gTerminalComponentName.SupportedLanguages,\r | |
563 | &TerminalDevice->ControllerNameTable,\r | |
5bca971e | 564 | (CHAR16 *)L"VT-100 Serial Console",\r |
565 | TRUE\r | |
95276127 | 566 | );\r |
5bca971e | 567 | AddUnicodeString2 (\r |
568 | "en",\r | |
569 | gTerminalComponentName2.SupportedLanguages,\r | |
570 | &TerminalDevice->ControllerNameTable,\r | |
571 | (CHAR16 *)L"VT-100 Serial Console",\r | |
572 | FALSE\r | |
573 | );\r | |
574 | \r | |
95276127 | 575 | break;\r |
576 | \r | |
e49ef433 | 577 | case VT100PLUSTYPE:\r |
5bca971e | 578 | AddUnicodeString2 (\r |
95276127 | 579 | "eng",\r |
580 | gTerminalComponentName.SupportedLanguages,\r | |
581 | &TerminalDevice->ControllerNameTable,\r | |
5bca971e | 582 | (CHAR16 *)L"VT-100+ Serial Console",\r |
583 | TRUE\r | |
95276127 | 584 | );\r |
5bca971e | 585 | AddUnicodeString2 (\r |
586 | "en",\r | |
587 | gTerminalComponentName2.SupportedLanguages,\r | |
588 | &TerminalDevice->ControllerNameTable,\r | |
589 | (CHAR16 *)L"VT-100+ Serial Console",\r | |
590 | FALSE\r | |
591 | );\r | |
592 | \r | |
95276127 | 593 | break;\r |
594 | \r | |
e49ef433 | 595 | case VTUTF8TYPE:\r |
5bca971e | 596 | AddUnicodeString2 (\r |
95276127 | 597 | "eng",\r |
598 | gTerminalComponentName.SupportedLanguages,\r | |
599 | &TerminalDevice->ControllerNameTable,\r | |
5bca971e | 600 | (CHAR16 *)L"VT-UTF8 Serial Console",\r |
601 | TRUE\r | |
95276127 | 602 | );\r |
5bca971e | 603 | AddUnicodeString2 (\r |
604 | "en",\r | |
605 | gTerminalComponentName2.SupportedLanguages,\r | |
606 | &TerminalDevice->ControllerNameTable,\r | |
607 | (CHAR16 *)L"VT-UTF8 Serial Console",\r | |
608 | FALSE\r | |
609 | );\r | |
610 | \r | |
95276127 | 611 | break;\r |
612 | }\r | |
613 | //\r | |
614 | // Install protocol interfaces for the serial device.\r | |
615 | //\r | |
616 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
617 | &TerminalDevice->Handle,\r | |
618 | &gEfiDevicePathProtocolGuid,\r | |
619 | TerminalDevice->DevicePath,\r | |
620 | &gEfiSimpleTextInProtocolGuid,\r | |
621 | &TerminalDevice->SimpleInput,\r | |
66aa04e4 | 622 | &gEfiSimpleTextInputExProtocolGuid,\r |
623 | &TerminalDevice->SimpleInputEx,\r | |
95276127 | 624 | &gEfiSimpleTextOutProtocolGuid,\r |
625 | &TerminalDevice->SimpleTextOutput,\r | |
626 | NULL\r | |
627 | );\r | |
628 | if (EFI_ERROR (Status)) {\r | |
629 | goto Error;\r | |
630 | }\r | |
631 | //\r | |
632 | // if the serial device is a hot plug device, attaches the HotPlugGuid\r | |
633 | // onto the terminal device handle.\r | |
634 | //\r | |
635 | Status = gBS->OpenProtocol (\r | |
636 | Controller,\r | |
637 | &gEfiHotPlugDeviceGuid,\r | |
638 | NULL,\r | |
639 | This->DriverBindingHandle,\r | |
640 | Controller,\r | |
641 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
642 | );\r | |
643 | if (!EFI_ERROR (Status)) {\r | |
644 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
645 | &TerminalDevice->Handle,\r | |
646 | &gEfiHotPlugDeviceGuid,\r | |
647 | NULL,\r | |
648 | NULL\r | |
649 | );\r | |
650 | }\r | |
651 | //\r | |
652 | // Register the Parent-Child relationship via\r | |
653 | // EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER.\r | |
654 | //\r | |
655 | Status = gBS->OpenProtocol (\r | |
656 | Controller,\r | |
657 | &gEfiSerialIoProtocolGuid,\r | |
658 | (VOID **) &TerminalDevice->SerialIo,\r | |
659 | This->DriverBindingHandle,\r | |
660 | TerminalDevice->Handle,\r | |
661 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
662 | );\r | |
663 | if (EFI_ERROR (Status)) {\r | |
664 | goto Error;\r | |
665 | }\r | |
666 | \r | |
667 | if (DefaultNode != NULL) {\r | |
668 | FreePool (DefaultNode);\r | |
669 | }\r | |
670 | \r | |
671 | return EFI_SUCCESS;\r | |
672 | \r | |
673 | ReportError:\r | |
674 | //\r | |
675 | // Report error code before exiting\r | |
676 | //\r | |
677 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
678 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
97a079ed | 679 | PcdGet32 (PcdStatusCodeValueRemoteConsoleError),\r |
95276127 | 680 | DevicePath\r |
681 | );\r | |
682 | \r | |
683 | Error:\r | |
684 | //\r | |
685 | // Use the Stop() function to free all resources allocated in Start()\r | |
686 | //\r | |
687 | if (TerminalDevice != NULL) {\r | |
688 | \r | |
689 | if (TerminalDevice->Handle != NULL) {\r | |
690 | This->Stop (This, Controller, 1, &TerminalDevice->Handle);\r | |
691 | } else {\r | |
692 | \r | |
693 | if (TerminalDevice->TwoSecondTimeOut != NULL) {\r | |
694 | gBS->CloseEvent (TerminalDevice->TwoSecondTimeOut);\r | |
695 | }\r | |
696 | \r | |
697 | if (TerminalDevice->SimpleInput.WaitForKey != NULL) {\r | |
698 | gBS->CloseEvent (TerminalDevice->SimpleInput.WaitForKey);\r | |
699 | }\r | |
700 | \r | |
66aa04e4 | 701 | if (TerminalDevice->SimpleInputEx.WaitForKeyEx != NULL) {\r |
702 | gBS->CloseEvent (TerminalDevice->SimpleInputEx.WaitForKeyEx);\r | |
703 | }\r | |
704 | \r | |
705 | TerminalFreeNotifyList (&TerminalDevice->NotifyList);\r | |
706 | \r | |
95276127 | 707 | if (TerminalDevice->ControllerNameTable != NULL) {\r |
708 | FreeUnicodeStringTable (TerminalDevice->ControllerNameTable);\r | |
709 | }\r | |
710 | \r | |
711 | if (TerminalDevice->DevicePath != NULL) {\r | |
712 | FreePool (TerminalDevice->DevicePath);\r | |
713 | }\r | |
714 | \r | |
715 | FreePool (TerminalDevice);\r | |
716 | }\r | |
717 | }\r | |
718 | \r | |
719 | if (DefaultNode != NULL) {\r | |
720 | FreePool (DefaultNode);\r | |
721 | }\r | |
722 | \r | |
723 | This->Stop (This, Controller, 0, NULL);\r | |
724 | \r | |
725 | return Status;\r | |
726 | }\r | |
727 | \r | |
e49ef433 | 728 | /**\r |
ab76200c | 729 | Stop this driver on Controller by closing Simple Text In, Simple Text\r |
8fd98315 | 730 | In Ex, Simple Text Out protocol, and removing parent device path from\r |
731 | Console Device Environment Variables. \r | |
e49ef433 | 732 | \r |
8fd98315 | 733 | @param This Protocol instance pointer.\r |
ab76200c | 734 | @param Controller Handle of device to stop driver on\r |
8fd98315 | 735 | @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r |
736 | children is zero stop the entire bus driver.\r | |
737 | @param ChildHandleBuffer List of Child Handles to Stop.\r | |
e49ef433 | 738 | \r |
ab76200c | 739 | @retval EFI_SUCCESS This driver is removed Controller.\r |
8fd98315 | 740 | @retval other This driver could not be removed from this device.\r |
e49ef433 | 741 | \r |
742 | **/\r | |
95276127 | 743 | EFI_STATUS\r |
744 | EFIAPI\r | |
745 | TerminalDriverBindingStop (\r | |
746 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
747 | IN EFI_HANDLE Controller,\r | |
748 | IN UINTN NumberOfChildren,\r | |
749 | IN EFI_HANDLE *ChildHandleBuffer\r | |
750 | )\r | |
95276127 | 751 | {\r |
752 | EFI_STATUS Status;\r | |
753 | UINTN Index;\r | |
754 | BOOLEAN AllChildrenStopped;\r | |
755 | EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *SimpleTextOutput;\r | |
756 | TERMINAL_DEV *TerminalDevice;\r | |
757 | EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r | |
758 | EFI_SERIAL_IO_PROTOCOL *SerialIo;\r | |
759 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
760 | \r | |
761 | Status = gBS->HandleProtocol (\r | |
762 | Controller,\r | |
763 | &gEfiDevicePathProtocolGuid,\r | |
764 | (VOID **) &DevicePath\r | |
765 | );\r | |
766 | if (EFI_ERROR (Status)) {\r | |
767 | return Status;\r | |
768 | }\r | |
95276127 | 769 | \r |
770 | //\r | |
771 | // Complete all outstanding transactions to Controller.\r | |
772 | // Don't allow any new transaction to Controller to be started.\r | |
773 | //\r | |
774 | if (NumberOfChildren == 0) {\r | |
775 | //\r | |
776 | // Close the bus driver\r | |
777 | //\r | |
778 | Status = gBS->OpenProtocol (\r | |
779 | Controller,\r | |
780 | &gEfiCallerIdGuid,\r | |
781 | (VOID **) &ParentDevicePath,\r | |
782 | This->DriverBindingHandle,\r | |
783 | Controller,\r | |
784 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
785 | );\r | |
786 | if (!EFI_ERROR (Status)) {\r | |
787 | //\r | |
788 | // Remove Parent Device Path from\r | |
789 | // the Console Device Environment Variables\r | |
790 | //\r | |
ff37790d A |
791 | TerminalRemoveConsoleDevVariable (L"ConInDev", ParentDevicePath);\r |
792 | TerminalRemoveConsoleDevVariable (L"ConOutDev", ParentDevicePath);\r | |
793 | TerminalRemoveConsoleDevVariable (L"ErrOutDev", ParentDevicePath);\r | |
95276127 | 794 | \r |
795 | //\r | |
796 | // Uninstall the Terminal Driver's GUID Tag from the Serial controller\r | |
797 | //\r | |
798 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
799 | Controller,\r | |
800 | &gEfiCallerIdGuid,\r | |
801 | ParentDevicePath,\r | |
802 | NULL\r | |
803 | );\r | |
804 | \r | |
805 | //\r | |
806 | // Free the ParentDevicePath that was duplicated in Start()\r | |
807 | //\r | |
808 | if (!EFI_ERROR (Status)) {\r | |
809 | FreePool (ParentDevicePath);\r | |
810 | }\r | |
811 | }\r | |
812 | \r | |
813 | gBS->CloseProtocol (\r | |
814 | Controller,\r | |
815 | &gEfiSerialIoProtocolGuid,\r | |
816 | This->DriverBindingHandle,\r | |
817 | Controller\r | |
818 | );\r | |
819 | \r | |
820 | gBS->CloseProtocol (\r | |
821 | Controller,\r | |
822 | &gEfiDevicePathProtocolGuid,\r | |
823 | This->DriverBindingHandle,\r | |
824 | Controller\r | |
825 | );\r | |
826 | \r | |
827 | return EFI_SUCCESS;\r | |
828 | }\r | |
829 | \r | |
830 | AllChildrenStopped = TRUE;\r | |
831 | \r | |
832 | for (Index = 0; Index < NumberOfChildren; Index++) {\r | |
833 | \r | |
834 | Status = gBS->OpenProtocol (\r | |
835 | ChildHandleBuffer[Index],\r | |
836 | &gEfiSimpleTextOutProtocolGuid,\r | |
837 | (VOID **) &SimpleTextOutput,\r | |
838 | This->DriverBindingHandle,\r | |
839 | ChildHandleBuffer[Index],\r | |
840 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
841 | );\r | |
842 | if (!EFI_ERROR (Status)) {\r | |
843 | \r | |
844 | TerminalDevice = TERMINAL_CON_OUT_DEV_FROM_THIS (SimpleTextOutput);\r | |
845 | \r | |
846 | gBS->CloseProtocol (\r | |
847 | Controller,\r | |
848 | &gEfiSerialIoProtocolGuid,\r | |
849 | This->DriverBindingHandle,\r | |
850 | ChildHandleBuffer[Index]\r | |
851 | );\r | |
852 | \r | |
853 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
854 | ChildHandleBuffer[Index],\r | |
855 | &gEfiSimpleTextInProtocolGuid,\r | |
856 | &TerminalDevice->SimpleInput,\r | |
66aa04e4 | 857 | &gEfiSimpleTextInputExProtocolGuid,\r |
858 | &TerminalDevice->SimpleInputEx,\r | |
95276127 | 859 | &gEfiSimpleTextOutProtocolGuid,\r |
860 | &TerminalDevice->SimpleTextOutput,\r | |
861 | &gEfiDevicePathProtocolGuid,\r | |
862 | TerminalDevice->DevicePath,\r | |
863 | NULL\r | |
864 | );\r | |
865 | if (EFI_ERROR (Status)) {\r | |
866 | gBS->OpenProtocol (\r | |
867 | Controller,\r | |
868 | &gEfiSerialIoProtocolGuid,\r | |
869 | (VOID **) &SerialIo,\r | |
870 | This->DriverBindingHandle,\r | |
871 | ChildHandleBuffer[Index],\r | |
872 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
873 | );\r | |
874 | } else {\r | |
875 | \r | |
876 | if (TerminalDevice->ControllerNameTable != NULL) {\r | |
877 | FreeUnicodeStringTable (TerminalDevice->ControllerNameTable);\r | |
878 | }\r | |
879 | \r | |
880 | Status = gBS->OpenProtocol (\r | |
881 | ChildHandleBuffer[Index],\r | |
882 | &gEfiHotPlugDeviceGuid,\r | |
883 | NULL,\r | |
884 | This->DriverBindingHandle,\r | |
885 | Controller,\r | |
886 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
887 | );\r | |
888 | if (!EFI_ERROR (Status)) {\r | |
889 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
890 | ChildHandleBuffer[Index],\r | |
891 | &gEfiHotPlugDeviceGuid,\r | |
892 | NULL,\r | |
893 | NULL\r | |
894 | );\r | |
895 | } else {\r | |
896 | Status = EFI_SUCCESS;\r | |
897 | }\r | |
898 | \r | |
899 | gBS->CloseEvent (TerminalDevice->TwoSecondTimeOut);\r | |
900 | gBS->CloseEvent (TerminalDevice->SimpleInput.WaitForKey);\r | |
66aa04e4 | 901 | gBS->CloseEvent (TerminalDevice->SimpleInputEx.WaitForKeyEx);\r |
902 | TerminalFreeNotifyList (&TerminalDevice->NotifyList);\r | |
95276127 | 903 | FreePool (TerminalDevice->DevicePath);\r |
904 | FreePool (TerminalDevice);\r | |
905 | }\r | |
906 | }\r | |
907 | \r | |
908 | if (EFI_ERROR (Status)) {\r | |
909 | AllChildrenStopped = FALSE;\r | |
910 | }\r | |
911 | }\r | |
912 | \r | |
913 | if (!AllChildrenStopped) {\r | |
914 | return EFI_DEVICE_ERROR;\r | |
915 | }\r | |
916 | \r | |
917 | return EFI_SUCCESS;\r | |
918 | }\r | |
919 | \r | |
66aa04e4 | 920 | \r |
e49ef433 | 921 | /**\r |
8fd98315 | 922 | Free notify functions list.\r |
66aa04e4 | 923 | \r |
e49ef433 | 924 | @param ListHead The list head\r |
66aa04e4 | 925 | \r |
8fd98315 | 926 | @retval EFI_SUCCESS Free the notify list successfully.\r |
927 | @retval EFI_INVALID_PARAMETER ListHead is NULL.\r | |
66aa04e4 | 928 | \r |
e49ef433 | 929 | **/\r |
930 | EFI_STATUS\r | |
931 | TerminalFreeNotifyList (\r | |
932 | IN OUT LIST_ENTRY *ListHead\r | |
933 | )\r | |
66aa04e4 | 934 | {\r |
935 | TERMINAL_CONSOLE_IN_EX_NOTIFY *NotifyNode;\r | |
936 | \r | |
937 | if (ListHead == NULL) {\r | |
938 | return EFI_INVALID_PARAMETER;\r | |
939 | }\r | |
940 | while (!IsListEmpty (ListHead)) {\r | |
941 | NotifyNode = CR (\r | |
fb0b259e | 942 | ListHead->ForwardLink,\r |
943 | TERMINAL_CONSOLE_IN_EX_NOTIFY,\r | |
944 | NotifyEntry,\r | |
66aa04e4 | 945 | TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE\r |
946 | );\r | |
947 | RemoveEntryList (ListHead->ForwardLink);\r | |
ab76200c | 948 | FreePool (NotifyNode);\r |
66aa04e4 | 949 | }\r |
fb0b259e | 950 | \r |
66aa04e4 | 951 | return EFI_SUCCESS;\r |
952 | }\r | |
953 | \r | |
954 | \r | |
8fd98315 | 955 | /**\r |
956 | Update terminal device path in Console Device Environment Variables.\r | |
957 | \r | |
958 | @param VariableName The Console Device Environment Variable.\r | |
11baadb6 | 959 | @param ParentDevicePath The terminal device path to be updated.\r |
8fd98315 | 960 | \r |
961 | @return None.\r | |
66aa04e4 | 962 | \r |
8fd98315 | 963 | **/\r |
95276127 | 964 | VOID\r |
965 | TerminalUpdateConsoleDevVariable (\r | |
966 | IN CHAR16 *VariableName,\r | |
967 | IN EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath\r | |
968 | )\r | |
969 | {\r | |
970 | EFI_STATUS Status;\r | |
971 | UINTN VariableSize;\r | |
972 | UINT8 TerminalType;\r | |
973 | EFI_DEVICE_PATH_PROTOCOL *Variable;\r | |
974 | EFI_DEVICE_PATH_PROTOCOL *NewVariable;\r | |
975 | EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;\r | |
976 | \r | |
977 | Variable = NULL;\r | |
978 | \r | |
979 | //\r | |
980 | // Get global variable and its size according to the name given.\r | |
981 | //\r | |
982 | Variable = TerminalGetVariableAndSize (\r | |
983 | VariableName,\r | |
984 | &gEfiGlobalVariableGuid,\r | |
985 | &VariableSize\r | |
986 | );\r | |
987 | //\r | |
988 | // Append terminal device path onto the variable.\r | |
989 | //\r | |
e49ef433 | 990 | for (TerminalType = PCANSITYPE; TerminalType <= VTUTF8TYPE; TerminalType++) {\r |
95276127 | 991 | SetTerminalDevicePath (TerminalType, ParentDevicePath, &TempDevicePath);\r |
992 | NewVariable = AppendDevicePathInstance (Variable, TempDevicePath);\r | |
993 | if (Variable != NULL) {\r | |
994 | FreePool (Variable);\r | |
995 | }\r | |
996 | \r | |
997 | if (TempDevicePath != NULL) {\r | |
998 | FreePool (TempDevicePath);\r | |
999 | }\r | |
1000 | \r | |
1001 | Variable = NewVariable;\r | |
1002 | }\r | |
1003 | \r | |
1004 | VariableSize = GetDevicePathSize (Variable);\r | |
1005 | \r | |
1006 | Status = gRT->SetVariable (\r | |
1007 | VariableName,\r | |
1008 | &gEfiGlobalVariableGuid,\r | |
1009 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r | |
1010 | VariableSize,\r | |
1011 | Variable\r | |
1012 | );\r | |
1013 | ASSERT_EFI_ERROR (Status);\r | |
1014 | FreePool (Variable);\r | |
1015 | \r | |
1016 | return ;\r | |
1017 | }\r | |
1018 | \r | |
e49ef433 | 1019 | \r |
1020 | /**\r | |
8fd98315 | 1021 | Remove terminal device path from Console Device Environment Variables.\r |
e49ef433 | 1022 | \r |
8fd98315 | 1023 | @param VariableName Console Device Environment Variables.\r |
11baadb6 | 1024 | @param ParentDevicePath The terminal device path to be updated.\r |
e49ef433 | 1025 | \r |
1026 | @return None.\r | |
1027 | \r | |
1028 | **/\r | |
95276127 | 1029 | VOID\r |
1030 | TerminalRemoveConsoleDevVariable (\r | |
1031 | IN CHAR16 *VariableName,\r | |
1032 | IN EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath\r | |
1033 | )\r | |
95276127 | 1034 | {\r |
1035 | EFI_STATUS Status;\r | |
1036 | BOOLEAN FoundOne;\r | |
1037 | BOOLEAN Match;\r | |
1038 | UINTN VariableSize;\r | |
1039 | UINTN InstanceSize;\r | |
1040 | UINT8 TerminalType;\r | |
1041 | EFI_DEVICE_PATH_PROTOCOL *Instance;\r | |
1042 | EFI_DEVICE_PATH_PROTOCOL *Variable;\r | |
1043 | EFI_DEVICE_PATH_PROTOCOL *OriginalVariable;\r | |
1044 | EFI_DEVICE_PATH_PROTOCOL *NewVariable;\r | |
1045 | EFI_DEVICE_PATH_PROTOCOL *SavedNewVariable;\r | |
1046 | EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;\r | |
1047 | \r | |
1048 | Variable = NULL;\r | |
1049 | Instance = NULL;\r | |
1050 | \r | |
1051 | //\r | |
1052 | // Get global variable and its size according to the name given.\r | |
1053 | //\r | |
1054 | Variable = TerminalGetVariableAndSize (\r | |
1055 | VariableName,\r | |
1056 | &gEfiGlobalVariableGuid,\r | |
1057 | &VariableSize\r | |
1058 | );\r | |
1059 | if (Variable == NULL) {\r | |
1060 | return ;\r | |
1061 | }\r | |
1062 | \r | |
1063 | FoundOne = FALSE;\r | |
1064 | OriginalVariable = Variable;\r | |
1065 | NewVariable = NULL;\r | |
1066 | \r | |
1067 | //\r | |
1068 | // Get first device path instance from Variable\r | |
1069 | //\r | |
1070 | Instance = GetNextDevicePathInstance (&Variable, &InstanceSize);\r | |
1071 | if (Instance == NULL) {\r | |
1072 | FreePool (OriginalVariable);\r | |
1073 | return ;\r | |
1074 | }\r | |
1075 | //\r | |
1076 | // Loop through all the device path instances of Variable\r | |
1077 | //\r | |
1078 | do {\r | |
1079 | //\r | |
1080 | // Loop through all the terminal types that this driver supports\r | |
1081 | //\r | |
1082 | Match = FALSE;\r | |
e49ef433 | 1083 | for (TerminalType = PCANSITYPE; TerminalType <= VTUTF8TYPE; TerminalType++) {\r |
95276127 | 1084 | \r |
1085 | SetTerminalDevicePath (TerminalType, ParentDevicePath, &TempDevicePath);\r | |
1086 | \r | |
1087 | //\r | |
11baadb6 | 1088 | // Compare the generated device path to the current device path instance\r |
95276127 | 1089 | //\r |
1090 | if (TempDevicePath != NULL) {\r | |
1091 | if (CompareMem (Instance, TempDevicePath, InstanceSize) == 0) {\r | |
1092 | Match = TRUE;\r | |
1093 | FoundOne = TRUE;\r | |
1094 | }\r | |
1095 | \r | |
1096 | FreePool (TempDevicePath);\r | |
1097 | }\r | |
1098 | }\r | |
1099 | //\r | |
1100 | // If a match was not found, then keep the current device path instance\r | |
1101 | //\r | |
1102 | if (!Match) {\r | |
1103 | SavedNewVariable = NewVariable;\r | |
1104 | NewVariable = AppendDevicePathInstance (NewVariable, Instance);\r | |
1105 | if (SavedNewVariable != NULL) {\r | |
1106 | FreePool (SavedNewVariable);\r | |
1107 | }\r | |
1108 | }\r | |
1109 | //\r | |
1110 | // Get next device path instance from Variable\r | |
1111 | //\r | |
1112 | FreePool (Instance);\r | |
1113 | Instance = GetNextDevicePathInstance (&Variable, &InstanceSize);\r | |
1114 | } while (Instance != NULL);\r | |
1115 | \r | |
1116 | FreePool (OriginalVariable);\r | |
1117 | \r | |
1118 | if (FoundOne) {\r | |
1119 | VariableSize = GetDevicePathSize (NewVariable);\r | |
1120 | \r | |
1121 | Status = gRT->SetVariable (\r | |
1122 | VariableName,\r | |
1123 | &gEfiGlobalVariableGuid,\r | |
1124 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r | |
1125 | VariableSize,\r | |
1126 | NewVariable\r | |
1127 | );\r | |
1128 | ASSERT_EFI_ERROR (Status);\r | |
1129 | }\r | |
1130 | \r | |
1131 | if (NewVariable != NULL) {\r | |
1132 | FreePool (NewVariable);\r | |
1133 | }\r | |
1134 | \r | |
1135 | return ;\r | |
1136 | }\r | |
1137 | \r | |
95276127 | 1138 | \r |
e49ef433 | 1139 | /**\r |
95276127 | 1140 | Read the EFI variable (VendorGuid/Name) and return a dynamically allocated\r |
1141 | buffer, and the size of the buffer. On failure return NULL.\r | |
1142 | \r | |
e49ef433 | 1143 | @param Name String part of EFI variable name\r |
1144 | @param VendorGuid GUID part of EFI variable name\r | |
1145 | @param VariableSize Returns the size of the EFI variable that was read\r | |
95276127 | 1146 | \r |
e49ef433 | 1147 | @return Dynamically allocated memory that contains a copy of the EFI variable.\r |
11baadb6 | 1148 | Caller is responsible freeing the buffer. If variable was not read, \r |
1149 | NULL returned.\r | |
95276127 | 1150 | \r |
e49ef433 | 1151 | **/\r |
1152 | VOID *\r | |
1153 | TerminalGetVariableAndSize (\r | |
1154 | IN CHAR16 *Name,\r | |
1155 | IN EFI_GUID *VendorGuid,\r | |
1156 | OUT UINTN *VariableSize\r | |
1157 | )\r | |
95276127 | 1158 | {\r |
1159 | EFI_STATUS Status;\r | |
1160 | UINTN BufferSize;\r | |
1161 | VOID *Buffer;\r | |
1162 | \r | |
1163 | Buffer = NULL;\r | |
1164 | \r | |
1165 | //\r | |
1166 | // Pass in a small size buffer to find the actual variable size.\r | |
1167 | //\r | |
1168 | BufferSize = 1;\r | |
1169 | Buffer = AllocatePool (BufferSize);\r | |
1170 | if (Buffer == NULL) {\r | |
1171 | *VariableSize = 0;\r | |
1172 | return NULL;\r | |
1173 | }\r | |
1174 | \r | |
1175 | Status = gRT->GetVariable (Name, VendorGuid, NULL, &BufferSize, Buffer);\r | |
1176 | \r | |
1177 | if (Status == EFI_SUCCESS) {\r | |
1178 | *VariableSize = BufferSize;\r | |
1179 | return Buffer;\r | |
1180 | \r | |
1181 | } else if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
1182 | //\r | |
1183 | // Allocate the buffer to return\r | |
1184 | //\r | |
1185 | FreePool (Buffer);\r | |
1186 | Buffer = AllocatePool (BufferSize);\r | |
1187 | if (Buffer == NULL) {\r | |
1188 | *VariableSize = 0;\r | |
1189 | return NULL;\r | |
1190 | }\r | |
1191 | //\r | |
1192 | // Read variable into the allocated buffer.\r | |
1193 | //\r | |
1194 | Status = gRT->GetVariable (Name, VendorGuid, NULL, &BufferSize, Buffer);\r | |
1195 | if (EFI_ERROR (Status)) {\r | |
1196 | BufferSize = 0;\r | |
1197 | FreePool (Buffer);\r | |
1198 | Buffer = NULL;\r | |
1199 | }\r | |
1200 | } else {\r | |
1201 | //\r | |
1202 | // Variable not found or other errors met.\r | |
1203 | //\r | |
1204 | BufferSize = 0;\r | |
1205 | FreePool (Buffer);\r | |
1206 | Buffer = NULL;\r | |
1207 | }\r | |
1208 | \r | |
1209 | *VariableSize = BufferSize;\r | |
1210 | return Buffer;\r | |
1211 | }\r | |
1212 | \r | |
8fd98315 | 1213 | /**\r |
11baadb6 | 1214 | Build terminal device path according to terminal type.\r |
8fd98315 | 1215 | \r |
1216 | @param TerminalType The terminal type is PC ANSI, VT100, VT100+ or VT-UTF8.\r | |
11baadb6 | 1217 | @param ParentDevicePath Parent device path.\r |
8fd98315 | 1218 | @param TerminalDevicePath Returned terminal device path, if building successfully.\r |
1219 | \r | |
1220 | @retval EFI_UNSUPPORTED Terminal does not belong to the supported type.\r | |
1221 | @retval EFI_OUT_OF_RESOURCES Generate terminal device path failed.\r | |
1222 | @retval EFI_SUCCESS Build terminal device path successfully.\r | |
1223 | \r | |
1224 | **/\r | |
95276127 | 1225 | EFI_STATUS\r |
1226 | SetTerminalDevicePath (\r | |
1227 | IN UINT8 TerminalType,\r | |
1228 | IN EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath,\r | |
1229 | OUT EFI_DEVICE_PATH_PROTOCOL **TerminalDevicePath\r | |
1230 | )\r | |
1231 | {\r | |
1232 | VENDOR_DEVICE_PATH Node;\r | |
1233 | \r | |
1234 | *TerminalDevicePath = NULL;\r | |
1235 | Node.Header.Type = MESSAGING_DEVICE_PATH;\r | |
1236 | Node.Header.SubType = MSG_VENDOR_DP;\r | |
1237 | \r | |
1238 | //\r | |
ab76200c | 1239 | // Generate terminal device path node according to terminal type.\r |
95276127 | 1240 | //\r |
1241 | switch (TerminalType) {\r | |
1242 | \r | |
e49ef433 | 1243 | case PCANSITYPE:\r |
ab76200c | 1244 | CopyGuid (&Node.Guid, &gEfiPcAnsiGuid);\r |
95276127 | 1245 | break;\r |
1246 | \r | |
e49ef433 | 1247 | case VT100TYPE:\r |
ab76200c | 1248 | CopyGuid (&Node.Guid, &gEfiVT100Guid);\r |
95276127 | 1249 | break;\r |
1250 | \r | |
e49ef433 | 1251 | case VT100PLUSTYPE:\r |
ab76200c | 1252 | CopyGuid (&Node.Guid, &gEfiVT100PlusGuid);\r |
95276127 | 1253 | break;\r |
1254 | \r | |
e49ef433 | 1255 | case VTUTF8TYPE:\r |
ab76200c | 1256 | CopyGuid (&Node.Guid, &gEfiVTUTF8Guid);\r |
95276127 | 1257 | break;\r |
1258 | \r | |
1259 | default:\r | |
1260 | return EFI_UNSUPPORTED;\r | |
95276127 | 1261 | }\r |
1262 | \r | |
ab76200c | 1263 | //\r |
1264 | // Get VENDOR_DEVCIE_PATH size and put into Node.Header\r | |
1265 | //\r | |
95276127 | 1266 | SetDevicePathNodeLength (\r |
1267 | &Node.Header,\r | |
1268 | sizeof (VENDOR_DEVICE_PATH)\r | |
1269 | );\r | |
ab76200c | 1270 | \r |
95276127 | 1271 | //\r |
ab76200c | 1272 | // Append the terminal node onto parent device path\r |
95276127 | 1273 | // to generate a complete terminal device path.\r |
1274 | //\r | |
1275 | *TerminalDevicePath = AppendDevicePathNode (\r | |
1276 | ParentDevicePath,\r | |
1277 | (EFI_DEVICE_PATH_PROTOCOL *) &Node\r | |
1278 | );\r | |
1279 | if (*TerminalDevicePath == NULL) {\r | |
1280 | return EFI_OUT_OF_RESOURCES;\r | |
1281 | }\r | |
1282 | \r | |
1283 | return EFI_SUCCESS;\r | |
1284 | }\r | |
1285 | \r | |
8fd98315 | 1286 | /**\r |
1287 | Initialize the Raw Data FIFO.\r | |
1288 | \r | |
1289 | @param TerminalDevice The terminal device.\r | |
1290 | \r | |
1291 | @return None.\r | |
1292 | \r | |
1293 | **/\r | |
95276127 | 1294 | VOID\r |
1295 | InitializeRawFiFo (\r | |
1296 | IN TERMINAL_DEV *TerminalDevice\r | |
1297 | )\r | |
1298 | {\r | |
1299 | //\r | |
11baadb6 | 1300 | // Make the raw FIFO empty.\r |
95276127 | 1301 | //\r |
1302 | TerminalDevice->RawFiFo.Head = TerminalDevice->RawFiFo.Tail;\r | |
1303 | }\r | |
1304 | \r | |
8fd98315 | 1305 | /**\r |
1306 | Initialize the Unicode FIFO.\r | |
1307 | \r | |
1308 | @param TerminalDevice The terminal device.\r | |
1309 | \r | |
1310 | @return None.\r | |
1311 | \r | |
1312 | **/\r | |
95276127 | 1313 | VOID\r |
1314 | InitializeUnicodeFiFo (\r | |
1315 | IN TERMINAL_DEV *TerminalDevice\r | |
1316 | )\r | |
1317 | {\r | |
1318 | //\r | |
11baadb6 | 1319 | // Make the unicode FIFO empty\r |
95276127 | 1320 | //\r |
1321 | TerminalDevice->UnicodeFiFo.Head = TerminalDevice->UnicodeFiFo.Tail;\r | |
1322 | }\r | |
1323 | \r | |
8fd98315 | 1324 | /**\r |
1325 | Initialize the EFI Key FIFO.\r | |
1326 | \r | |
1327 | @param TerminalDevice The terminal device.\r | |
1328 | \r | |
1329 | @return None.\r | |
1330 | \r | |
1331 | **/\r | |
95276127 | 1332 | VOID\r |
1333 | InitializeEfiKeyFiFo (\r | |
1334 | IN TERMINAL_DEV *TerminalDevice\r | |
1335 | )\r | |
1336 | {\r | |
1337 | //\r | |
11baadb6 | 1338 | // Make the efi key FIFO empty\r |
95276127 | 1339 | //\r |
1340 | TerminalDevice->EfiKeyFiFo.Head = TerminalDevice->EfiKeyFiFo.Tail;\r | |
1341 | }\r | |
97a079ed A |
1342 | \r |
1343 | \r | |
1344 | /**\r | |
1345 | The user Entry Point for module Terminal. The user code starts with this function.\r | |
1346 | \r | |
ab76200c | 1347 | @param ImageHandle The firmware allocated handle for the EFI image.\r |
1348 | @param SystemTable A pointer to the EFI System Table.\r | |
fb0b259e | 1349 | \r |
97a079ed A |
1350 | @retval EFI_SUCCESS The entry point is executed successfully.\r |
1351 | @retval other Some error occurs when executing this entry point.\r | |
1352 | \r | |
1353 | **/\r | |
1354 | EFI_STATUS\r | |
1355 | EFIAPI\r | |
1356 | InitializeTerminal(\r | |
1357 | IN EFI_HANDLE ImageHandle,\r | |
1358 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
1359 | )\r | |
1360 | {\r | |
1361 | EFI_STATUS Status;\r | |
1362 | \r | |
1363 | //\r | |
1364 | // Install driver model protocol(s).\r | |
1365 | //\r | |
5bca971e | 1366 | Status = EfiLibInstallDriverBindingComponentName2 (\r |
97a079ed A |
1367 | ImageHandle,\r |
1368 | SystemTable,\r | |
1369 | &gTerminalDriverBinding,\r | |
1370 | ImageHandle,\r | |
1371 | &gTerminalComponentName,\r | |
5bca971e | 1372 | &gTerminalComponentName2\r |
97a079ed A |
1373 | );\r |
1374 | ASSERT_EFI_ERROR (Status);\r | |
1375 | \r | |
97a079ed A |
1376 | return Status;\r |
1377 | }\r |