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1 | /** @file\r | |
2 | This is an example of how a driver might export data to the HII protocol to be\r | |
3 | later utilized by the Setup Protocol\r | |
4 | \r | |
5 | Copyright (c) 2004 - 2017, Intel Corporation. All rights reserved.<BR>\r | |
6 | 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 | |
14 | **/\r | |
15 | \r | |
16 | \r | |
17 | #include "DriverSample.h"\r | |
18 | \r | |
19 | #define DISPLAY_ONLY_MY_ITEM 0x0002\r | |
20 | \r | |
21 | CHAR16 VariableName[] = L"MyIfrNVData";\r | |
22 | CHAR16 MyEfiVar[] = L"MyEfiVar";\r | |
23 | EFI_HANDLE DriverHandle[2] = {NULL, NULL};\r | |
24 | DRIVER_SAMPLE_PRIVATE_DATA *mPrivateData = NULL;\r | |
25 | EFI_EVENT mEvent;\r | |
26 | \r | |
27 | HII_VENDOR_DEVICE_PATH mHiiVendorDevicePath0 = {\r | |
28 | {\r | |
29 | {\r | |
30 | HARDWARE_DEVICE_PATH,\r | |
31 | HW_VENDOR_DP,\r | |
32 | {\r | |
33 | (UINT8) (sizeof (VENDOR_DEVICE_PATH)),\r | |
34 | (UINT8) ((sizeof (VENDOR_DEVICE_PATH)) >> 8)\r | |
35 | }\r | |
36 | },\r | |
37 | DRIVER_SAMPLE_FORMSET_GUID\r | |
38 | },\r | |
39 | {\r | |
40 | END_DEVICE_PATH_TYPE,\r | |
41 | END_ENTIRE_DEVICE_PATH_SUBTYPE,\r | |
42 | {\r | |
43 | (UINT8) (END_DEVICE_PATH_LENGTH),\r | |
44 | (UINT8) ((END_DEVICE_PATH_LENGTH) >> 8)\r | |
45 | }\r | |
46 | }\r | |
47 | };\r | |
48 | \r | |
49 | HII_VENDOR_DEVICE_PATH mHiiVendorDevicePath1 = {\r | |
50 | {\r | |
51 | {\r | |
52 | HARDWARE_DEVICE_PATH,\r | |
53 | HW_VENDOR_DP,\r | |
54 | {\r | |
55 | (UINT8) (sizeof (VENDOR_DEVICE_PATH)),\r | |
56 | (UINT8) ((sizeof (VENDOR_DEVICE_PATH)) >> 8)\r | |
57 | }\r | |
58 | },\r | |
59 | DRIVER_SAMPLE_INVENTORY_GUID\r | |
60 | },\r | |
61 | {\r | |
62 | END_DEVICE_PATH_TYPE,\r | |
63 | END_ENTIRE_DEVICE_PATH_SUBTYPE,\r | |
64 | {\r | |
65 | (UINT8) (END_DEVICE_PATH_LENGTH),\r | |
66 | (UINT8) ((END_DEVICE_PATH_LENGTH) >> 8)\r | |
67 | }\r | |
68 | }\r | |
69 | };\r | |
70 | \r | |
71 | /**\r | |
72 | Set value of a data element in an Array by its Index.\r | |
73 | \r | |
74 | @param Array The data array.\r | |
75 | @param Type Type of the data in this array.\r | |
76 | @param Index Zero based index for data in this array.\r | |
77 | @param Value The value to be set.\r | |
78 | \r | |
79 | **/\r | |
80 | VOID\r | |
81 | SetArrayData (\r | |
82 | IN VOID *Array,\r | |
83 | IN UINT8 Type,\r | |
84 | IN UINTN Index,\r | |
85 | IN UINT64 Value\r | |
86 | )\r | |
87 | {\r | |
88 | \r | |
89 | ASSERT (Array != NULL);\r | |
90 | \r | |
91 | switch (Type) {\r | |
92 | case EFI_IFR_TYPE_NUM_SIZE_8:\r | |
93 | *(((UINT8 *) Array) + Index) = (UINT8) Value;\r | |
94 | break;\r | |
95 | \r | |
96 | case EFI_IFR_TYPE_NUM_SIZE_16:\r | |
97 | *(((UINT16 *) Array) + Index) = (UINT16) Value;\r | |
98 | break;\r | |
99 | \r | |
100 | case EFI_IFR_TYPE_NUM_SIZE_32:\r | |
101 | *(((UINT32 *) Array) + Index) = (UINT32) Value;\r | |
102 | break;\r | |
103 | \r | |
104 | case EFI_IFR_TYPE_NUM_SIZE_64:\r | |
105 | *(((UINT64 *) Array) + Index) = (UINT64) Value;\r | |
106 | break;\r | |
107 | \r | |
108 | default:\r | |
109 | break;\r | |
110 | }\r | |
111 | }\r | |
112 | \r | |
113 | /**\r | |
114 | Notification function for keystrokes.\r | |
115 | \r | |
116 | @param[in] KeyData The key that was pressed.\r | |
117 | \r | |
118 | @retval EFI_SUCCESS The operation was successful.\r | |
119 | **/\r | |
120 | EFI_STATUS\r | |
121 | EFIAPI\r | |
122 | NotificationFunction(\r | |
123 | IN EFI_KEY_DATA *KeyData\r | |
124 | )\r | |
125 | {\r | |
126 | gBS->SignalEvent (mEvent);\r | |
127 | \r | |
128 | return EFI_SUCCESS;\r | |
129 | }\r | |
130 | \r | |
131 | /**\r | |
132 | Function to start monitoring for CTRL-C using SimpleTextInputEx. \r | |
133 | \r | |
134 | @retval EFI_SUCCESS The feature is enabled.\r | |
135 | @retval EFI_OUT_OF_RESOURCES There is not enough mnemory available.\r | |
136 | **/\r | |
137 | EFI_STATUS\r | |
138 | EFIAPI\r | |
139 | InternalStartMonitor(\r | |
140 | VOID\r | |
141 | )\r | |
142 | {\r | |
143 | EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *SimpleEx;\r | |
144 | EFI_KEY_DATA KeyData;\r | |
145 | EFI_STATUS Status;\r | |
146 | EFI_HANDLE *Handles;\r | |
147 | UINTN HandleCount;\r | |
148 | UINTN HandleIndex;\r | |
149 | EFI_HANDLE NotifyHandle;\r | |
150 | \r | |
151 | Status = gBS->LocateHandleBuffer (\r | |
152 | ByProtocol,\r | |
153 | &gEfiSimpleTextInputExProtocolGuid,\r | |
154 | NULL,\r | |
155 | &HandleCount,\r | |
156 | &Handles\r | |
157 | );\r | |
158 | for (HandleIndex = 0; HandleIndex < HandleCount; HandleIndex++) {\r | |
159 | Status = gBS->HandleProtocol (Handles[HandleIndex], &gEfiSimpleTextInputExProtocolGuid, (VOID **) &SimpleEx);\r | |
160 | ASSERT_EFI_ERROR (Status);\r | |
161 | \r | |
162 | KeyData.KeyState.KeyToggleState = 0;\r | |
163 | KeyData.Key.ScanCode = 0;\r | |
164 | KeyData.KeyState.KeyShiftState = EFI_SHIFT_STATE_VALID|EFI_LEFT_CONTROL_PRESSED;\r | |
165 | KeyData.Key.UnicodeChar = L'c';\r | |
166 | \r | |
167 | Status = SimpleEx->RegisterKeyNotify(\r | |
168 | SimpleEx,\r | |
169 | &KeyData,\r | |
170 | NotificationFunction,\r | |
171 | &NotifyHandle);\r | |
172 | if (EFI_ERROR (Status)) {\r | |
173 | break;\r | |
174 | }\r | |
175 | \r | |
176 | KeyData.KeyState.KeyShiftState = EFI_SHIFT_STATE_VALID|EFI_RIGHT_CONTROL_PRESSED;\r | |
177 | Status = SimpleEx->RegisterKeyNotify(\r | |
178 | SimpleEx,\r | |
179 | &KeyData,\r | |
180 | NotificationFunction,\r | |
181 | &NotifyHandle);\r | |
182 | if (EFI_ERROR (Status)) {\r | |
183 | break;\r | |
184 | }\r | |
185 | }\r | |
186 | \r | |
187 | return EFI_SUCCESS;\r | |
188 | }\r | |
189 | \r | |
190 | /**\r | |
191 | Function to stop monitoring for CTRL-C using SimpleTextInputEx. \r | |
192 | \r | |
193 | @retval EFI_SUCCESS The feature is enabled.\r | |
194 | @retval EFI_OUT_OF_RESOURCES There is not enough mnemory available.\r | |
195 | **/\r | |
196 | EFI_STATUS\r | |
197 | EFIAPI\r | |
198 | InternalStopMonitor(\r | |
199 | VOID\r | |
200 | )\r | |
201 | {\r | |
202 | EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *SimpleEx;\r | |
203 | EFI_STATUS Status;\r | |
204 | EFI_HANDLE *Handles;\r | |
205 | EFI_KEY_DATA KeyData; \r | |
206 | UINTN HandleCount;\r | |
207 | UINTN HandleIndex;\r | |
208 | EFI_HANDLE NotifyHandle;\r | |
209 | \r | |
210 | Status = gBS->LocateHandleBuffer (\r | |
211 | ByProtocol,\r | |
212 | &gEfiSimpleTextInputExProtocolGuid,\r | |
213 | NULL,\r | |
214 | &HandleCount,\r | |
215 | &Handles\r | |
216 | );\r | |
217 | for (HandleIndex = 0; HandleIndex < HandleCount; HandleIndex++) {\r | |
218 | Status = gBS->HandleProtocol (Handles[HandleIndex], &gEfiSimpleTextInputExProtocolGuid, (VOID **) &SimpleEx);\r | |
219 | ASSERT_EFI_ERROR (Status);\r | |
220 | \r | |
221 | KeyData.KeyState.KeyToggleState = 0;\r | |
222 | KeyData.Key.ScanCode = 0;\r | |
223 | KeyData.KeyState.KeyShiftState = EFI_SHIFT_STATE_VALID|EFI_LEFT_CONTROL_PRESSED;\r | |
224 | KeyData.Key.UnicodeChar = L'c';\r | |
225 | \r | |
226 | Status = SimpleEx->RegisterKeyNotify(\r | |
227 | SimpleEx,\r | |
228 | &KeyData,\r | |
229 | NotificationFunction,\r | |
230 | &NotifyHandle);\r | |
231 | if (!EFI_ERROR (Status)) {\r | |
232 | Status = SimpleEx->UnregisterKeyNotify (SimpleEx, NotifyHandle);\r | |
233 | }\r | |
234 | \r | |
235 | KeyData.KeyState.KeyShiftState = EFI_SHIFT_STATE_VALID|EFI_RIGHT_CONTROL_PRESSED;\r | |
236 | Status = SimpleEx->RegisterKeyNotify(\r | |
237 | SimpleEx,\r | |
238 | &KeyData,\r | |
239 | NotificationFunction,\r | |
240 | &NotifyHandle);\r | |
241 | if (!EFI_ERROR (Status)) {\r | |
242 | Status = SimpleEx->UnregisterKeyNotify (SimpleEx, NotifyHandle);\r | |
243 | }\r | |
244 | }\r | |
245 | return EFI_SUCCESS;\r | |
246 | }\r | |
247 | \r | |
248 | /**\r | |
249 | Update names of Name/Value storage to current language.\r | |
250 | \r | |
251 | @param PrivateData Points to the driver private data.\r | |
252 | \r | |
253 | @retval EFI_SUCCESS All names are successfully updated.\r | |
254 | @retval EFI_NOT_FOUND Failed to get Name from HII database.\r | |
255 | \r | |
256 | **/\r | |
257 | EFI_STATUS\r | |
258 | LoadNameValueNames (\r | |
259 | IN DRIVER_SAMPLE_PRIVATE_DATA *PrivateData\r | |
260 | )\r | |
261 | {\r | |
262 | UINTN Index;\r | |
263 | \r | |
264 | //\r | |
265 | // Get Name/Value name string of current language\r | |
266 | //\r | |
267 | for (Index = 0; Index < NAME_VALUE_NAME_NUMBER; Index++) {\r | |
268 | PrivateData->NameValueName[Index] = HiiGetString (\r | |
269 | PrivateData->HiiHandle[0],\r | |
270 | PrivateData->NameStringId[Index],\r | |
271 | NULL\r | |
272 | );\r | |
273 | if (PrivateData->NameValueName[Index] == NULL) {\r | |
274 | return EFI_NOT_FOUND;\r | |
275 | }\r | |
276 | }\r | |
277 | \r | |
278 | return EFI_SUCCESS;\r | |
279 | }\r | |
280 | \r | |
281 | \r | |
282 | /**\r | |
283 | Get the value of <Number> in <BlockConfig> format, i.e. the value of OFFSET\r | |
284 | or WIDTH or VALUE.\r | |
285 | <BlockConfig> ::= 'OFFSET='<Number>&'WIDTH='<Number>&'VALUE'=<Number>\r | |
286 | \r | |
287 | This is a internal function.\r | |
288 | \r | |
289 | @param StringPtr String in <BlockConfig> format and points to the\r | |
290 | first character of <Number>.\r | |
291 | @param Number The output value. Caller takes the responsibility\r | |
292 | to free memory.\r | |
293 | @param Len Length of the <Number>, in characters.\r | |
294 | \r | |
295 | @retval EFI_OUT_OF_RESOURCES Insufficient resources to store neccessary\r | |
296 | structures.\r | |
297 | @retval EFI_SUCCESS Value of <Number> is outputted in Number\r | |
298 | successfully.\r | |
299 | \r | |
300 | **/\r | |
301 | EFI_STATUS\r | |
302 | GetValueOfNumber (\r | |
303 | IN EFI_STRING StringPtr,\r | |
304 | OUT UINT8 **Number,\r | |
305 | OUT UINTN *Len\r | |
306 | )\r | |
307 | {\r | |
308 | EFI_STRING TmpPtr;\r | |
309 | UINTN Length;\r | |
310 | EFI_STRING Str;\r | |
311 | UINT8 *Buf;\r | |
312 | EFI_STATUS Status;\r | |
313 | UINT8 DigitUint8;\r | |
314 | UINTN Index;\r | |
315 | CHAR16 TemStr[2];\r | |
316 | \r | |
317 | if (StringPtr == NULL || *StringPtr == L'\0' || Number == NULL || Len == NULL) {\r | |
318 | return EFI_INVALID_PARAMETER;\r | |
319 | }\r | |
320 | \r | |
321 | Buf = NULL;\r | |
322 | \r | |
323 | TmpPtr = StringPtr;\r | |
324 | while (*StringPtr != L'\0' && *StringPtr != L'&') {\r | |
325 | StringPtr++;\r | |
326 | }\r | |
327 | *Len = StringPtr - TmpPtr;\r | |
328 | Length = *Len + 1;\r | |
329 | \r | |
330 | Str = (EFI_STRING) AllocateZeroPool (Length * sizeof (CHAR16));\r | |
331 | if (Str == NULL) {\r | |
332 | Status = EFI_OUT_OF_RESOURCES;\r | |
333 | goto Exit;\r | |
334 | }\r | |
335 | CopyMem (Str, TmpPtr, *Len * sizeof (CHAR16));\r | |
336 | *(Str + *Len) = L'\0';\r | |
337 | \r | |
338 | Length = (Length + 1) / 2;\r | |
339 | Buf = (UINT8 *) AllocateZeroPool (Length);\r | |
340 | if (Buf == NULL) {\r | |
341 | Status = EFI_OUT_OF_RESOURCES;\r | |
342 | goto Exit;\r | |
343 | }\r | |
344 | \r | |
345 | Length = *Len;\r | |
346 | ZeroMem (TemStr, sizeof (TemStr));\r | |
347 | for (Index = 0; Index < Length; Index ++) {\r | |
348 | TemStr[0] = Str[Length - Index - 1];\r | |
349 | DigitUint8 = (UINT8) StrHexToUint64 (TemStr);\r | |
350 | if ((Index & 1) == 0) {\r | |
351 | Buf [Index/2] = DigitUint8;\r | |
352 | } else {\r | |
353 | Buf [Index/2] = (UINT8) ((DigitUint8 << 4) + Buf [Index/2]);\r | |
354 | }\r | |
355 | }\r | |
356 | \r | |
357 | *Number = Buf;\r | |
358 | Status = EFI_SUCCESS;\r | |
359 | \r | |
360 | Exit:\r | |
361 | if (Str != NULL) {\r | |
362 | FreePool (Str);\r | |
363 | }\r | |
364 | \r | |
365 | return Status;\r | |
366 | }\r | |
367 | \r | |
368 | /**\r | |
369 | Create altcfg string. \r | |
370 | \r | |
371 | @param Result The request result string.\r | |
372 | @param ConfigHdr The request head info. <ConfigHdr> format.\r | |
373 | @param Offset The offset of the parameter int he structure.\r | |
374 | @param Width The width of the parameter.\r | |
375 | \r | |
376 | \r | |
377 | @retval The string with altcfg info append at the end.\r | |
378 | **/\r | |
379 | EFI_STRING \r | |
380 | CreateAltCfgString (\r | |
381 | IN EFI_STRING Result,\r | |
382 | IN EFI_STRING ConfigHdr,\r | |
383 | IN UINTN Offset,\r | |
384 | IN UINTN Width\r | |
385 | )\r | |
386 | {\r | |
387 | EFI_STRING StringPtr;\r | |
388 | EFI_STRING TmpStr;\r | |
389 | UINTN NewLen;\r | |
390 | \r | |
391 | NewLen = StrLen (Result);\r | |
392 | //\r | |
393 | // String Len = ConfigResp + AltConfig + AltConfig + 1("\0")\r | |
394 | //\r | |
395 | NewLen = (NewLen + ((1 + StrLen (ConfigHdr) + 8 + 4) + (8 + 4 + 7 + 4 + 7 + 4)) * 2 + 1) * sizeof (CHAR16);\r | |
396 | StringPtr = AllocateZeroPool (NewLen);\r | |
397 | if (StringPtr == NULL) {\r | |
398 | return NULL;\r | |
399 | }\r | |
400 | \r | |
401 | TmpStr = StringPtr;\r | |
402 | if (Result != NULL) {\r | |
403 | StrCpyS (StringPtr, NewLen / sizeof (CHAR16), Result);\r | |
404 | StringPtr += StrLen (Result); \r | |
405 | FreePool (Result);\r | |
406 | }\r | |
407 | \r | |
408 | UnicodeSPrint (\r | |
409 | StringPtr, \r | |
410 | (1 + StrLen (ConfigHdr) + 8 + 4 + 1) * sizeof (CHAR16), \r | |
411 | L"&%s&ALTCFG=%04x", \r | |
412 | ConfigHdr, \r | |
413 | EFI_HII_DEFAULT_CLASS_STANDARD\r | |
414 | );\r | |
415 | StringPtr += StrLen (StringPtr);\r | |
416 | \r | |
417 | UnicodeSPrint (\r | |
418 | StringPtr, \r | |
419 | (8 + 4 + 7 + 4 + 7 + 4 + 1) * sizeof (CHAR16),\r | |
420 | L"&OFFSET=%04x&WIDTH=%04x&VALUE=%04x", \r | |
421 | Offset, \r | |
422 | Width,\r | |
423 | DEFAULT_CLASS_STANDARD_VALUE\r | |
424 | );\r | |
425 | StringPtr += StrLen (StringPtr); \r | |
426 | \r | |
427 | UnicodeSPrint (\r | |
428 | StringPtr, \r | |
429 | (1 + StrLen (ConfigHdr) + 8 + 4 + 1) * sizeof (CHAR16), \r | |
430 | L"&%s&ALTCFG=%04x", \r | |
431 | ConfigHdr, \r | |
432 | EFI_HII_DEFAULT_CLASS_MANUFACTURING\r | |
433 | );\r | |
434 | StringPtr += StrLen (StringPtr);\r | |
435 | \r | |
436 | UnicodeSPrint (\r | |
437 | StringPtr, \r | |
438 | (8 + 4 + 7 + 4 + 7 + 4 + 1) * sizeof (CHAR16),\r | |
439 | L"&OFFSET=%04x&WIDTH=%04x&VALUE=%04x", \r | |
440 | Offset, \r | |
441 | Width,\r | |
442 | DEFAULT_CLASS_MANUFACTURING_VALUE\r | |
443 | );\r | |
444 | StringPtr += StrLen (StringPtr); \r | |
445 | \r | |
446 | return TmpStr;\r | |
447 | }\r | |
448 | \r | |
449 | /**\r | |
450 | Check whether need to add the altcfg string. if need to add, add the altcfg \r | |
451 | string.\r | |
452 | \r | |
453 | @param RequestResult The request result string.\r | |
454 | @param ConfigRequestHdr The request head info. <ConfigHdr> format.\r | |
455 | \r | |
456 | **/\r | |
457 | VOID \r | |
458 | AppendAltCfgString (\r | |
459 | IN OUT EFI_STRING *RequestResult,\r | |
460 | IN EFI_STRING ConfigRequestHdr\r | |
461 | )\r | |
462 | {\r | |
463 | EFI_STRING StringPtr;\r | |
464 | UINTN Length;\r | |
465 | UINT8 *TmpBuffer;\r | |
466 | UINTN Offset;\r | |
467 | UINTN Width;\r | |
468 | UINTN BlockSize;\r | |
469 | UINTN ValueOffset;\r | |
470 | UINTN ValueWidth;\r | |
471 | EFI_STATUS Status;\r | |
472 | \r | |
473 | TmpBuffer = NULL;\r | |
474 | StringPtr = *RequestResult;\r | |
475 | StringPtr = StrStr (StringPtr, L"OFFSET");\r | |
476 | BlockSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);\r | |
477 | ValueOffset = OFFSET_OF (DRIVER_SAMPLE_CONFIGURATION, GetDefaultValueFromAccess);\r | |
478 | ValueWidth = sizeof (((DRIVER_SAMPLE_CONFIGURATION *)0)->GetDefaultValueFromAccess);\r | |
479 | \r | |
480 | if (StringPtr == NULL) {\r | |
481 | return;\r | |
482 | }\r | |
483 | \r | |
484 | while (*StringPtr != 0 && StrnCmp (StringPtr, L"OFFSET=", StrLen (L"OFFSET=")) == 0) {\r | |
485 | StringPtr += StrLen (L"OFFSET=");\r | |
486 | //\r | |
487 | // Get Offset\r | |
488 | //\r | |
489 | Status = GetValueOfNumber (StringPtr, &TmpBuffer, &Length);\r | |
490 | if (EFI_ERROR (Status)) {\r | |
491 | return;\r | |
492 | }\r | |
493 | Offset = 0;\r | |
494 | CopyMem (\r | |
495 | &Offset,\r | |
496 | TmpBuffer,\r | |
497 | (((Length + 1) / 2) < sizeof (UINTN)) ? ((Length + 1) / 2) : sizeof (UINTN)\r | |
498 | );\r | |
499 | FreePool (TmpBuffer);\r | |
500 | \r | |
501 | StringPtr += Length;\r | |
502 | if (StrnCmp (StringPtr, L"&WIDTH=", StrLen (L"&WIDTH=")) != 0) {\r | |
503 | return;\r | |
504 | }\r | |
505 | StringPtr += StrLen (L"&WIDTH=");\r | |
506 | \r | |
507 | //\r | |
508 | // Get Width\r | |
509 | //\r | |
510 | Status = GetValueOfNumber (StringPtr, &TmpBuffer, &Length);\r | |
511 | if (EFI_ERROR (Status)) {\r | |
512 | return;\r | |
513 | }\r | |
514 | Width = 0;\r | |
515 | CopyMem (\r | |
516 | &Width,\r | |
517 | TmpBuffer,\r | |
518 | (((Length + 1) / 2) < sizeof (UINTN)) ? ((Length + 1) / 2) : sizeof (UINTN)\r | |
519 | );\r | |
520 | FreePool (TmpBuffer);\r | |
521 | \r | |
522 | StringPtr += Length;\r | |
523 | if (StrnCmp (StringPtr, L"&VALUE=", StrLen (L"&VALUE=")) != 0) {\r | |
524 | return;\r | |
525 | }\r | |
526 | StringPtr += StrLen (L"&VALUE=");\r | |
527 | \r | |
528 | //\r | |
529 | // Get Value\r | |
530 | //\r | |
531 | Status = GetValueOfNumber (StringPtr, &TmpBuffer, &Length);\r | |
532 | if (EFI_ERROR (Status)) {\r | |
533 | return;\r | |
534 | }\r | |
535 | StringPtr += Length;\r | |
536 | \r | |
537 | //\r | |
538 | // Skip the character "&" before "OFFSET".\r | |
539 | //\r | |
540 | StringPtr ++;\r | |
541 | \r | |
542 | //\r | |
543 | // Calculate Value and convert it to hex string.\r | |
544 | //\r | |
545 | if (Offset + Width > BlockSize) {\r | |
546 | return;\r | |
547 | }\r | |
548 | \r | |
549 | if (Offset <= ValueOffset && Offset + Width >= ValueOffset + ValueWidth) {\r | |
550 | *RequestResult = CreateAltCfgString(*RequestResult, ConfigRequestHdr, ValueOffset, ValueWidth);\r | |
551 | return;\r | |
552 | }\r | |
553 | }\r | |
554 | }\r | |
555 | \r | |
556 | /**\r | |
557 | This function allows a caller to extract the current configuration for one\r | |
558 | or more named elements from the target driver.\r | |
559 | \r | |
560 | @param This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
561 | @param Request A null-terminated Unicode string in\r | |
562 | <ConfigRequest> format.\r | |
563 | @param Progress On return, points to a character in the Request\r | |
564 | string. Points to the string's null terminator if\r | |
565 | request was successful. Points to the most recent\r | |
566 | '&' before the first failing name/value pair (or\r | |
567 | the beginning of the string if the failure is in\r | |
568 | the first name/value pair) if the request was not\r | |
569 | successful.\r | |
570 | @param Results A null-terminated Unicode string in\r | |
571 | <ConfigAltResp> format which has all values filled\r | |
572 | in for the names in the Request string. String to\r | |
573 | be allocated by the called function.\r | |
574 | \r | |
575 | @retval EFI_SUCCESS The Results is filled with the requested values.\r | |
576 | @retval EFI_OUT_OF_RESOURCES Not enough memory to store the results.\r | |
577 | @retval EFI_INVALID_PARAMETER Request is illegal syntax, or unknown name.\r | |
578 | @retval EFI_NOT_FOUND Routing data doesn't match any storage in this\r | |
579 | driver.\r | |
580 | \r | |
581 | **/\r | |
582 | EFI_STATUS\r | |
583 | EFIAPI\r | |
584 | ExtractConfig (\r | |
585 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
586 | IN CONST EFI_STRING Request,\r | |
587 | OUT EFI_STRING *Progress,\r | |
588 | OUT EFI_STRING *Results\r | |
589 | )\r | |
590 | {\r | |
591 | EFI_STATUS Status;\r | |
592 | UINTN BufferSize;\r | |
593 | DRIVER_SAMPLE_PRIVATE_DATA *PrivateData;\r | |
594 | EFI_HII_CONFIG_ROUTING_PROTOCOL *HiiConfigRouting;\r | |
595 | EFI_STRING ConfigRequest;\r | |
596 | EFI_STRING ConfigRequestHdr;\r | |
597 | UINTN Size;\r | |
598 | EFI_STRING Value;\r | |
599 | UINTN ValueStrLen;\r | |
600 | CHAR16 BackupChar;\r | |
601 | CHAR16 *StrPointer;\r | |
602 | BOOLEAN AllocatedRequest;\r | |
603 | \r | |
604 | if (Progress == NULL || Results == NULL) {\r | |
605 | return EFI_INVALID_PARAMETER;\r | |
606 | }\r | |
607 | //\r | |
608 | // Initialize the local variables.\r | |
609 | //\r | |
610 | ConfigRequestHdr = NULL;\r | |
611 | ConfigRequest = NULL;\r | |
612 | Size = 0;\r | |
613 | *Progress = Request;\r | |
614 | AllocatedRequest = FALSE;\r | |
615 | \r | |
616 | PrivateData = DRIVER_SAMPLE_PRIVATE_FROM_THIS (This);\r | |
617 | HiiConfigRouting = PrivateData->HiiConfigRouting;\r | |
618 | \r | |
619 | //\r | |
620 | // Get Buffer Storage data from EFI variable.\r | |
621 | // Try to get the current setting from variable.\r | |
622 | //\r | |
623 | BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);\r | |
624 | Status = gRT->GetVariable (\r | |
625 | VariableName,\r | |
626 | &gDriverSampleFormSetGuid,\r | |
627 | NULL,\r | |
628 | &BufferSize,\r | |
629 | &PrivateData->Configuration\r | |
630 | );\r | |
631 | if (EFI_ERROR (Status)) {\r | |
632 | return EFI_NOT_FOUND;\r | |
633 | }\r | |
634 | \r | |
635 | if (Request == NULL) {\r | |
636 | //\r | |
637 | // Request is set to NULL, construct full request string.\r | |
638 | //\r | |
639 | \r | |
640 | //\r | |
641 | // Allocate and fill a buffer large enough to hold the <ConfigHdr> template\r | |
642 | // followed by "&OFFSET=0&WIDTH=WWWWWWWWWWWWWWWW" followed by a Null-terminator\r | |
643 | //\r | |
644 | ConfigRequestHdr = HiiConstructConfigHdr (&gDriverSampleFormSetGuid, VariableName, PrivateData->DriverHandle[0]);\r | |
645 | Size = (StrLen (ConfigRequestHdr) + 32 + 1) * sizeof (CHAR16);\r | |
646 | ConfigRequest = AllocateZeroPool (Size);\r | |
647 | ASSERT (ConfigRequest != NULL);\r | |
648 | AllocatedRequest = TRUE;\r | |
649 | UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", ConfigRequestHdr, (UINT64)BufferSize);\r | |
650 | FreePool (ConfigRequestHdr);\r | |
651 | ConfigRequestHdr = NULL;\r | |
652 | } else {\r | |
653 | //\r | |
654 | // Check routing data in <ConfigHdr>.\r | |
655 | // Note: if only one Storage is used, then this checking could be skipped.\r | |
656 | //\r | |
657 | if (!HiiIsConfigHdrMatch (Request, &gDriverSampleFormSetGuid, NULL)) {\r | |
658 | return EFI_NOT_FOUND;\r | |
659 | }\r | |
660 | //\r | |
661 | // Check whether request for EFI Varstore. EFI varstore get data\r | |
662 | // through hii database, not support in this path.\r | |
663 | //\r | |
664 | if (HiiIsConfigHdrMatch(Request, &gDriverSampleFormSetGuid, MyEfiVar)) {\r | |
665 | return EFI_UNSUPPORTED;\r | |
666 | }\r | |
667 | //\r | |
668 | // Set Request to the unified request string.\r | |
669 | //\r | |
670 | ConfigRequest = Request;\r | |
671 | //\r | |
672 | // Check whether Request includes Request Element.\r | |
673 | //\r | |
674 | if (StrStr (Request, L"OFFSET") == NULL) {\r | |
675 | //\r | |
676 | // Check Request Element does exist in Reques String\r | |
677 | //\r | |
678 | StrPointer = StrStr (Request, L"PATH");\r | |
679 | if (StrPointer == NULL) {\r | |
680 | return EFI_INVALID_PARAMETER;\r | |
681 | }\r | |
682 | if (StrStr (StrPointer, L"&") == NULL) {\r | |
683 | Size = (StrLen (Request) + 32 + 1) * sizeof (CHAR16);\r | |
684 | ConfigRequest = AllocateZeroPool (Size);\r | |
685 | ASSERT (ConfigRequest != NULL);\r | |
686 | AllocatedRequest = TRUE;\r | |
687 | UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", Request, (UINT64)BufferSize);\r | |
688 | }\r | |
689 | }\r | |
690 | }\r | |
691 | \r | |
692 | //\r | |
693 | // Check if requesting Name/Value storage\r | |
694 | //\r | |
695 | if (StrStr (ConfigRequest, L"OFFSET") == NULL) {\r | |
696 | //\r | |
697 | // Update Name/Value storage Names\r | |
698 | //\r | |
699 | Status = LoadNameValueNames (PrivateData);\r | |
700 | if (EFI_ERROR (Status)) {\r | |
701 | return Status;\r | |
702 | }\r | |
703 | \r | |
704 | //\r | |
705 | // Allocate memory for <ConfigResp>, e.g. Name0=0x11, Name1=0x1234, Name2="ABCD"\r | |
706 | // <Request> ::=<ConfigHdr>&Name0&Name1&Name2\r | |
707 | // <ConfigResp>::=<ConfigHdr>&Name0=11&Name1=1234&Name2=0041004200430044\r | |
708 | //\r | |
709 | BufferSize = (StrLen (ConfigRequest) +\r | |
710 | 1 + sizeof (PrivateData->Configuration.NameValueVar0) * 2 +\r | |
711 | 1 + sizeof (PrivateData->Configuration.NameValueVar1) * 2 +\r | |
712 | 1 + sizeof (PrivateData->Configuration.NameValueVar2) * 2 + 1) * sizeof (CHAR16);\r | |
713 | *Results = AllocateZeroPool (BufferSize);\r | |
714 | ASSERT (*Results != NULL);\r | |
715 | StrCpyS (*Results, BufferSize / sizeof (CHAR16), ConfigRequest);\r | |
716 | Value = *Results;\r | |
717 | \r | |
718 | //\r | |
719 | // Append value of NameValueVar0, type is UINT8\r | |
720 | //\r | |
721 | if ((Value = StrStr (*Results, PrivateData->NameValueName[0])) != NULL) {\r | |
722 | Value += StrLen (PrivateData->NameValueName[0]);\r | |
723 | ValueStrLen = ((sizeof (PrivateData->Configuration.NameValueVar0) * 2) + 1);\r | |
724 | CopyMem (Value + ValueStrLen, Value, StrSize (Value));\r | |
725 | \r | |
726 | BackupChar = Value[ValueStrLen];\r | |
727 | *Value++ = L'=';\r | |
728 | Value += UnicodeValueToString (\r | |
729 | Value, \r | |
730 | PREFIX_ZERO | RADIX_HEX, \r | |
731 | PrivateData->Configuration.NameValueVar0, \r | |
732 | sizeof (PrivateData->Configuration.NameValueVar0) * 2\r | |
733 | );\r | |
734 | *Value = BackupChar;\r | |
735 | }\r | |
736 | \r | |
737 | //\r | |
738 | // Append value of NameValueVar1, type is UINT16\r | |
739 | //\r | |
740 | if ((Value = StrStr (*Results, PrivateData->NameValueName[1])) != NULL) {\r | |
741 | Value += StrLen (PrivateData->NameValueName[1]);\r | |
742 | ValueStrLen = ((sizeof (PrivateData->Configuration.NameValueVar1) * 2) + 1);\r | |
743 | CopyMem (Value + ValueStrLen, Value, StrSize (Value));\r | |
744 | \r | |
745 | BackupChar = Value[ValueStrLen];\r | |
746 | *Value++ = L'=';\r | |
747 | Value += UnicodeValueToString (\r | |
748 | Value, \r | |
749 | PREFIX_ZERO | RADIX_HEX, \r | |
750 | PrivateData->Configuration.NameValueVar1, \r | |
751 | sizeof (PrivateData->Configuration.NameValueVar1) * 2\r | |
752 | );\r | |
753 | *Value = BackupChar;\r | |
754 | }\r | |
755 | \r | |
756 | //\r | |
757 | // Append value of NameValueVar2, type is CHAR16 *\r | |
758 | //\r | |
759 | if ((Value = StrStr (*Results, PrivateData->NameValueName[2])) != NULL) {\r | |
760 | Value += StrLen (PrivateData->NameValueName[2]);\r | |
761 | ValueStrLen = StrLen (PrivateData->Configuration.NameValueVar2) * 4 + 1;\r | |
762 | CopyMem (Value + ValueStrLen, Value, StrSize (Value));\r | |
763 | \r | |
764 | *Value++ = L'=';\r | |
765 | //\r | |
766 | // Convert Unicode String to Config String, e.g. "ABCD" => "0041004200430044"\r | |
767 | //\r | |
768 | StrPointer = (CHAR16 *) PrivateData->Configuration.NameValueVar2;\r | |
769 | for (; *StrPointer != L'\0'; StrPointer++) {\r | |
770 | Value += UnicodeValueToString (Value, PREFIX_ZERO | RADIX_HEX, *StrPointer, 4);\r | |
771 | }\r | |
772 | }\r | |
773 | \r | |
774 | Status = EFI_SUCCESS;\r | |
775 | } else {\r | |
776 | //\r | |
777 | // Convert buffer data to <ConfigResp> by helper function BlockToConfig()\r | |
778 | //\r | |
779 | Status = HiiConfigRouting->BlockToConfig (\r | |
780 | HiiConfigRouting,\r | |
781 | ConfigRequest,\r | |
782 | (UINT8 *) &PrivateData->Configuration,\r | |
783 | BufferSize,\r | |
784 | Results,\r | |
785 | Progress\r | |
786 | );\r | |
787 | if (!EFI_ERROR (Status)) {\r | |
788 | ConfigRequestHdr = HiiConstructConfigHdr (&gDriverSampleFormSetGuid, VariableName, PrivateData->DriverHandle[0]);\r | |
789 | AppendAltCfgString(Results, ConfigRequestHdr);\r | |
790 | }\r | |
791 | }\r | |
792 | \r | |
793 | //\r | |
794 | // Free the allocated config request string.\r | |
795 | //\r | |
796 | if (AllocatedRequest) {\r | |
797 | FreePool (ConfigRequest);\r | |
798 | }\r | |
799 | \r | |
800 | if (ConfigRequestHdr != NULL) {\r | |
801 | FreePool (ConfigRequestHdr);\r | |
802 | }\r | |
803 | //\r | |
804 | // Set Progress string to the original request string.\r | |
805 | //\r | |
806 | if (Request == NULL) {\r | |
807 | *Progress = NULL;\r | |
808 | } else if (StrStr (Request, L"OFFSET") == NULL) {\r | |
809 | *Progress = Request + StrLen (Request);\r | |
810 | }\r | |
811 | \r | |
812 | return Status;\r | |
813 | }\r | |
814 | \r | |
815 | \r | |
816 | /**\r | |
817 | This function processes the results of changes in configuration.\r | |
818 | \r | |
819 | @param This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
820 | @param Configuration A null-terminated Unicode string in <ConfigResp>\r | |
821 | format.\r | |
822 | @param Progress A pointer to a string filled in with the offset of\r | |
823 | the most recent '&' before the first failing\r | |
824 | name/value pair (or the beginning of the string if\r | |
825 | the failure is in the first name/value pair) or\r | |
826 | the terminating NULL if all was successful.\r | |
827 | \r | |
828 | @retval EFI_SUCCESS The Results is processed successfully.\r | |
829 | @retval EFI_INVALID_PARAMETER Configuration is NULL.\r | |
830 | @retval EFI_NOT_FOUND Routing data doesn't match any storage in this\r | |
831 | driver.\r | |
832 | \r | |
833 | **/\r | |
834 | EFI_STATUS\r | |
835 | EFIAPI\r | |
836 | RouteConfig (\r | |
837 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
838 | IN CONST EFI_STRING Configuration,\r | |
839 | OUT EFI_STRING *Progress\r | |
840 | )\r | |
841 | {\r | |
842 | EFI_STATUS Status;\r | |
843 | UINTN BufferSize;\r | |
844 | DRIVER_SAMPLE_PRIVATE_DATA *PrivateData;\r | |
845 | EFI_HII_CONFIG_ROUTING_PROTOCOL *HiiConfigRouting;\r | |
846 | CHAR16 *Value;\r | |
847 | CHAR16 *StrPtr;\r | |
848 | CHAR16 TemStr[5];\r | |
849 | UINT8 *DataBuffer;\r | |
850 | UINT8 DigitUint8;\r | |
851 | UINTN Index;\r | |
852 | CHAR16 *StrBuffer;\r | |
853 | \r | |
854 | if (Configuration == NULL || Progress == NULL) {\r | |
855 | return EFI_INVALID_PARAMETER;\r | |
856 | }\r | |
857 | \r | |
858 | PrivateData = DRIVER_SAMPLE_PRIVATE_FROM_THIS (This);\r | |
859 | HiiConfigRouting = PrivateData->HiiConfigRouting;\r | |
860 | *Progress = Configuration;\r | |
861 | \r | |
862 | //\r | |
863 | // Check routing data in <ConfigHdr>.\r | |
864 | // Note: if only one Storage is used, then this checking could be skipped.\r | |
865 | //\r | |
866 | if (!HiiIsConfigHdrMatch (Configuration, &gDriverSampleFormSetGuid, NULL)) {\r | |
867 | return EFI_NOT_FOUND;\r | |
868 | }\r | |
869 | \r | |
870 | //\r | |
871 | // Check whether request for EFI Varstore. EFI varstore get data\r | |
872 | // through hii database, not support in this path.\r | |
873 | //\r | |
874 | if (HiiIsConfigHdrMatch(Configuration, &gDriverSampleFormSetGuid, MyEfiVar)) {\r | |
875 | return EFI_UNSUPPORTED;\r | |
876 | }\r | |
877 | \r | |
878 | //\r | |
879 | // Get Buffer Storage data from EFI variable\r | |
880 | //\r | |
881 | BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);\r | |
882 | Status = gRT->GetVariable (\r | |
883 | VariableName,\r | |
884 | &gDriverSampleFormSetGuid,\r | |
885 | NULL,\r | |
886 | &BufferSize,\r | |
887 | &PrivateData->Configuration\r | |
888 | );\r | |
889 | if (EFI_ERROR (Status)) {\r | |
890 | return Status;\r | |
891 | }\r | |
892 | \r | |
893 | //\r | |
894 | // Check if configuring Name/Value storage\r | |
895 | //\r | |
896 | if (StrStr (Configuration, L"OFFSET") == NULL) {\r | |
897 | //\r | |
898 | // Update Name/Value storage Names\r | |
899 | //\r | |
900 | Status = LoadNameValueNames (PrivateData);\r | |
901 | if (EFI_ERROR (Status)) {\r | |
902 | return Status;\r | |
903 | }\r | |
904 | \r | |
905 | //\r | |
906 | // Convert value for NameValueVar0\r | |
907 | //\r | |
908 | if ((Value = StrStr (Configuration, PrivateData->NameValueName[0])) != NULL) {\r | |
909 | //\r | |
910 | // Skip "Name="\r | |
911 | //\r | |
912 | Value += StrLen (PrivateData->NameValueName[0]);\r | |
913 | Value++;\r | |
914 | //\r | |
915 | // Get Value String\r | |
916 | //\r | |
917 | StrPtr = StrStr (Value, L"&");\r | |
918 | if (StrPtr == NULL) {\r | |
919 | StrPtr = Value + StrLen (Value);\r | |
920 | }\r | |
921 | //\r | |
922 | // Convert Value to Buffer data\r | |
923 | //\r | |
924 | DataBuffer = (UINT8 *) &PrivateData->Configuration.NameValueVar0;\r | |
925 | ZeroMem (TemStr, sizeof (TemStr));\r | |
926 | for (Index = 0, StrPtr --; StrPtr >= Value; StrPtr --, Index ++) {\r | |
927 | TemStr[0] = *StrPtr;\r | |
928 | DigitUint8 = (UINT8) StrHexToUint64 (TemStr);\r | |
929 | if ((Index & 1) == 0) {\r | |
930 | DataBuffer [Index/2] = DigitUint8;\r | |
931 | } else {\r | |
932 | DataBuffer [Index/2] = (UINT8) ((UINT8) (DigitUint8 << 4) + DataBuffer [Index/2]);\r | |
933 | }\r | |
934 | }\r | |
935 | }\r | |
936 | \r | |
937 | //\r | |
938 | // Convert value for NameValueVar1\r | |
939 | //\r | |
940 | if ((Value = StrStr (Configuration, PrivateData->NameValueName[1])) != NULL) {\r | |
941 | //\r | |
942 | // Skip "Name="\r | |
943 | //\r | |
944 | Value += StrLen (PrivateData->NameValueName[1]);\r | |
945 | Value++;\r | |
946 | //\r | |
947 | // Get Value String\r | |
948 | //\r | |
949 | StrPtr = StrStr (Value, L"&");\r | |
950 | if (StrPtr == NULL) {\r | |
951 | StrPtr = Value + StrLen (Value);\r | |
952 | }\r | |
953 | //\r | |
954 | // Convert Value to Buffer data\r | |
955 | //\r | |
956 | DataBuffer = (UINT8 *) &PrivateData->Configuration.NameValueVar1;\r | |
957 | ZeroMem (TemStr, sizeof (TemStr));\r | |
958 | for (Index = 0, StrPtr --; StrPtr >= Value; StrPtr --, Index ++) {\r | |
959 | TemStr[0] = *StrPtr;\r | |
960 | DigitUint8 = (UINT8) StrHexToUint64 (TemStr);\r | |
961 | if ((Index & 1) == 0) {\r | |
962 | DataBuffer [Index/2] = DigitUint8;\r | |
963 | } else {\r | |
964 | DataBuffer [Index/2] = (UINT8) ((UINT8) (DigitUint8 << 4) + DataBuffer [Index/2]);\r | |
965 | }\r | |
966 | }\r | |
967 | }\r | |
968 | \r | |
969 | //\r | |
970 | // Convert value for NameValueVar2\r | |
971 | //\r | |
972 | if ((Value = StrStr (Configuration, PrivateData->NameValueName[2])) != NULL) {\r | |
973 | //\r | |
974 | // Skip "Name="\r | |
975 | //\r | |
976 | Value += StrLen (PrivateData->NameValueName[2]);\r | |
977 | Value++;\r | |
978 | //\r | |
979 | // Get Value String\r | |
980 | //\r | |
981 | StrPtr = StrStr (Value, L"&");\r | |
982 | if (StrPtr == NULL) {\r | |
983 | StrPtr = Value + StrLen (Value);\r | |
984 | }\r | |
985 | //\r | |
986 | // Convert Config String to Unicode String, e.g "0041004200430044" => "ABCD"\r | |
987 | //\r | |
988 | StrBuffer = (CHAR16 *) PrivateData->Configuration.NameValueVar2;\r | |
989 | ZeroMem (TemStr, sizeof (TemStr));\r | |
990 | while (Value < StrPtr) {\r | |
991 | StrnCpyS (TemStr, sizeof (TemStr) / sizeof (CHAR16), Value, 4);\r | |
992 | *(StrBuffer++) = (CHAR16) StrHexToUint64 (TemStr);\r | |
993 | Value += 4;\r | |
994 | }\r | |
995 | *StrBuffer = L'\0';\r | |
996 | }\r | |
997 | \r | |
998 | //\r | |
999 | // Store Buffer Storage back to EFI variable\r | |
1000 | //\r | |
1001 | Status = gRT->SetVariable(\r | |
1002 | VariableName,\r | |
1003 | &gDriverSampleFormSetGuid,\r | |
1004 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
1005 | sizeof (DRIVER_SAMPLE_CONFIGURATION),\r | |
1006 | &PrivateData->Configuration\r | |
1007 | );\r | |
1008 | \r | |
1009 | return Status;\r | |
1010 | }\r | |
1011 | \r | |
1012 | //\r | |
1013 | // Convert <ConfigResp> to buffer data by helper function ConfigToBlock()\r | |
1014 | //\r | |
1015 | BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);\r | |
1016 | Status = HiiConfigRouting->ConfigToBlock (\r | |
1017 | HiiConfigRouting,\r | |
1018 | Configuration,\r | |
1019 | (UINT8 *) &PrivateData->Configuration,\r | |
1020 | &BufferSize,\r | |
1021 | Progress\r | |
1022 | );\r | |
1023 | if (EFI_ERROR (Status)) {\r | |
1024 | return Status;\r | |
1025 | }\r | |
1026 | \r | |
1027 | //\r | |
1028 | // Store Buffer Storage back to EFI variable\r | |
1029 | //\r | |
1030 | Status = gRT->SetVariable(\r | |
1031 | VariableName,\r | |
1032 | &gDriverSampleFormSetGuid,\r | |
1033 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
1034 | sizeof (DRIVER_SAMPLE_CONFIGURATION),\r | |
1035 | &PrivateData->Configuration\r | |
1036 | );\r | |
1037 | \r | |
1038 | return Status;\r | |
1039 | }\r | |
1040 | \r | |
1041 | \r | |
1042 | /**\r | |
1043 | This function processes the results of changes in configuration.\r | |
1044 | \r | |
1045 | @param This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
1046 | @param Action Specifies the type of action taken by the browser.\r | |
1047 | @param QuestionId A unique value which is sent to the original\r | |
1048 | exporting driver so that it can identify the type\r | |
1049 | of data to expect.\r | |
1050 | @param Type The type of value for the question.\r | |
1051 | @param Value A pointer to the data being sent to the original\r | |
1052 | exporting driver.\r | |
1053 | @param ActionRequest On return, points to the action requested by the\r | |
1054 | callback function.\r | |
1055 | \r | |
1056 | @retval EFI_SUCCESS The callback successfully handled the action.\r | |
1057 | @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the\r | |
1058 | variable and its data.\r | |
1059 | @retval EFI_DEVICE_ERROR The variable could not be saved.\r | |
1060 | @retval EFI_UNSUPPORTED The specified Action is not supported by the\r | |
1061 | callback.\r | |
1062 | \r | |
1063 | **/\r | |
1064 | EFI_STATUS\r | |
1065 | EFIAPI\r | |
1066 | DriverCallback (\r | |
1067 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
1068 | IN EFI_BROWSER_ACTION Action,\r | |
1069 | IN EFI_QUESTION_ID QuestionId,\r | |
1070 | IN UINT8 Type,\r | |
1071 | IN EFI_IFR_TYPE_VALUE *Value,\r | |
1072 | OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest\r | |
1073 | )\r | |
1074 | {\r | |
1075 | DRIVER_SAMPLE_PRIVATE_DATA *PrivateData;\r | |
1076 | EFI_STATUS Status;\r | |
1077 | VOID *StartOpCodeHandle;\r | |
1078 | VOID *OptionsOpCodeHandle;\r | |
1079 | EFI_IFR_GUID_LABEL *StartLabel;\r | |
1080 | VOID *EndOpCodeHandle;\r | |
1081 | EFI_IFR_GUID_LABEL *EndLabel;\r | |
1082 | EFI_INPUT_KEY Key;\r | |
1083 | DRIVER_SAMPLE_CONFIGURATION *Configuration;\r | |
1084 | MY_EFI_VARSTORE_DATA *EfiData;\r | |
1085 | EFI_FORM_ID FormId;\r | |
1086 | EFI_STRING Progress;\r | |
1087 | EFI_STRING Results;\r | |
1088 | UINT32 ProgressErr;\r | |
1089 | CHAR16 *TmpStr;\r | |
1090 | UINTN Index;\r | |
1091 | UINT64 BufferValue;\r | |
1092 | \r | |
1093 | if (((Value == NULL) && (Action != EFI_BROWSER_ACTION_FORM_OPEN) && (Action != EFI_BROWSER_ACTION_FORM_CLOSE))||\r | |
1094 | (ActionRequest == NULL)) {\r | |
1095 | return EFI_INVALID_PARAMETER;\r | |
1096 | }\r | |
1097 | \r | |
1098 | \r | |
1099 | FormId = 0;\r | |
1100 | ProgressErr = 0;\r | |
1101 | Status = EFI_SUCCESS;\r | |
1102 | BufferValue = 3;\r | |
1103 | PrivateData = DRIVER_SAMPLE_PRIVATE_FROM_THIS (This);\r | |
1104 | \r | |
1105 | switch (Action) {\r | |
1106 | case EFI_BROWSER_ACTION_FORM_OPEN:\r | |
1107 | {\r | |
1108 | if (QuestionId == 0x1234) {\r | |
1109 | //\r | |
1110 | // Sample CallBack for UEFI FORM_OPEN action:\r | |
1111 | // Add Save action into Form 3 when Form 1 is opened.\r | |
1112 | // This will be done only in FORM_OPEN CallBack of question with ID 0x1234 from Form 1.\r | |
1113 | //\r | |
1114 | PrivateData = DRIVER_SAMPLE_PRIVATE_FROM_THIS (This);\r | |
1115 | \r | |
1116 | //\r | |
1117 | // Initialize the container for dynamic opcodes\r | |
1118 | //\r | |
1119 | StartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
1120 | ASSERT (StartOpCodeHandle != NULL);\r | |
1121 | \r | |
1122 | //\r | |
1123 | // Create Hii Extend Label OpCode as the start opcode\r | |
1124 | //\r | |
1125 | StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (StartOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));\r | |
1126 | StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
1127 | StartLabel->Number = LABEL_UPDATE2;\r | |
1128 | \r | |
1129 | HiiCreateActionOpCode (\r | |
1130 | StartOpCodeHandle, // Container for dynamic created opcodes\r | |
1131 | 0x1238, // Question ID\r | |
1132 | STRING_TOKEN(STR_SAVE_TEXT), // Prompt text\r | |
1133 | STRING_TOKEN(STR_SAVE_TEXT), // Help text\r | |
1134 | EFI_IFR_FLAG_CALLBACK, // Question flag\r | |
1135 | 0 // Action String ID\r | |
1136 | );\r | |
1137 | \r | |
1138 | HiiUpdateForm (\r | |
1139 | PrivateData->HiiHandle[0], // HII handle\r | |
1140 | &gDriverSampleFormSetGuid, // Formset GUID\r | |
1141 | 0x3, // Form ID\r | |
1142 | StartOpCodeHandle, // Label for where to insert opcodes\r | |
1143 | NULL // Insert data\r | |
1144 | );\r | |
1145 | \r | |
1146 | HiiFreeOpCodeHandle (StartOpCodeHandle);\r | |
1147 | }\r | |
1148 | \r | |
1149 | if (QuestionId == 0x1247) {\r | |
1150 | Status = InternalStartMonitor ();\r | |
1151 | ASSERT_EFI_ERROR (Status);\r | |
1152 | }\r | |
1153 | }\r | |
1154 | break;\r | |
1155 | \r | |
1156 | case EFI_BROWSER_ACTION_FORM_CLOSE:\r | |
1157 | {\r | |
1158 | if (QuestionId == 0x5678) {\r | |
1159 | //\r | |
1160 | // Sample CallBack for UEFI FORM_CLOSE action:\r | |
1161 | // Show up a pop-up to specify Form 3 will be closed when exit Form 3.\r | |
1162 | //\r | |
1163 | do {\r | |
1164 | CreatePopUp (\r | |
1165 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
1166 | &Key,\r | |
1167 | L"",\r | |
1168 | L"You are going to leave third Form!",\r | |
1169 | L"Press ESC or ENTER to continue ...",\r | |
1170 | L"",\r | |
1171 | NULL\r | |
1172 | );\r | |
1173 | } while ((Key.ScanCode != SCAN_ESC) && (Key.UnicodeChar != CHAR_CARRIAGE_RETURN));\r | |
1174 | }\r | |
1175 | \r | |
1176 | if (QuestionId == 0x1247) {\r | |
1177 | Status = InternalStopMonitor ();\r | |
1178 | ASSERT_EFI_ERROR (Status);\r | |
1179 | }\r | |
1180 | }\r | |
1181 | break;\r | |
1182 | \r | |
1183 | case EFI_BROWSER_ACTION_RETRIEVE:\r | |
1184 | {\r | |
1185 | switch (QuestionId ) {\r | |
1186 | case 0x1248:\r | |
1187 | if (Type != EFI_IFR_TYPE_REF) {\r | |
1188 | return EFI_INVALID_PARAMETER;\r | |
1189 | }\r | |
1190 | Value->ref.FormId = 0x3;\r | |
1191 | break;\r | |
1192 | \r | |
1193 | case 0x5678:\r | |
1194 | case 0x1247:\r | |
1195 | //\r | |
1196 | // We will reach here once the Question is refreshed\r | |
1197 | //\r | |
1198 | \r | |
1199 | //\r | |
1200 | // Initialize the container for dynamic opcodes\r | |
1201 | //\r | |
1202 | StartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
1203 | ASSERT (StartOpCodeHandle != NULL);\r | |
1204 | \r | |
1205 | //\r | |
1206 | // Create Hii Extend Label OpCode as the start opcode\r | |
1207 | //\r | |
1208 | StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (StartOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));\r | |
1209 | StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
1210 | if (QuestionId == 0x5678) {\r | |
1211 | StartLabel->Number = LABEL_UPDATE2;\r | |
1212 | FormId = 0x03;\r | |
1213 | PrivateData->Configuration.DynamicRefresh++;\r | |
1214 | } else if (QuestionId == 0x1247 ) {\r | |
1215 | StartLabel->Number = LABEL_UPDATE3;\r | |
1216 | FormId = 0x06;\r | |
1217 | PrivateData->Configuration.RefreshGuidCount++;\r | |
1218 | }\r | |
1219 | \r | |
1220 | HiiCreateActionOpCode (\r | |
1221 | StartOpCodeHandle, // Container for dynamic created opcodes\r | |
1222 | 0x1237, // Question ID\r | |
1223 | STRING_TOKEN(STR_EXIT_TEXT), // Prompt text\r | |
1224 | STRING_TOKEN(STR_EXIT_TEXT), // Help text\r | |
1225 | EFI_IFR_FLAG_CALLBACK, // Question flag\r | |
1226 | 0 // Action String ID\r | |
1227 | );\r | |
1228 | \r | |
1229 | HiiUpdateForm (\r | |
1230 | PrivateData->HiiHandle[0], // HII handle\r | |
1231 | &gDriverSampleFormSetGuid, // Formset GUID\r | |
1232 | FormId, // Form ID\r | |
1233 | StartOpCodeHandle, // Label for where to insert opcodes\r | |
1234 | NULL // Insert data\r | |
1235 | );\r | |
1236 | \r | |
1237 | HiiFreeOpCodeHandle (StartOpCodeHandle);\r | |
1238 | \r | |
1239 | //\r | |
1240 | // Refresh the Question value\r | |
1241 | //\r | |
1242 | Status = gRT->SetVariable(\r | |
1243 | VariableName,\r | |
1244 | &gDriverSampleFormSetGuid,\r | |
1245 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
1246 | sizeof (DRIVER_SAMPLE_CONFIGURATION),\r | |
1247 | &PrivateData->Configuration\r | |
1248 | );\r | |
1249 | \r | |
1250 | if (QuestionId == 0x5678) {\r | |
1251 | //\r | |
1252 | // Update uncommitted data of Browser\r | |
1253 | //\r | |
1254 | EfiData = AllocateZeroPool (sizeof (MY_EFI_VARSTORE_DATA));\r | |
1255 | ASSERT (EfiData != NULL);\r | |
1256 | if (HiiGetBrowserData (&gDriverSampleFormSetGuid, MyEfiVar, sizeof (MY_EFI_VARSTORE_DATA), (UINT8 *) EfiData)) {\r | |
1257 | EfiData->Field8 = 111;\r | |
1258 | HiiSetBrowserData (\r | |
1259 | &gDriverSampleFormSetGuid,\r | |
1260 | MyEfiVar,\r | |
1261 | sizeof (MY_EFI_VARSTORE_DATA),\r | |
1262 | (UINT8 *) EfiData,\r | |
1263 | NULL\r | |
1264 | );\r | |
1265 | }\r | |
1266 | FreePool (EfiData);\r | |
1267 | }\r | |
1268 | break;\r | |
1269 | }\r | |
1270 | }\r | |
1271 | break;\r | |
1272 | \r | |
1273 | case EFI_BROWSER_ACTION_DEFAULT_STANDARD:\r | |
1274 | {\r | |
1275 | switch (QuestionId) {\r | |
1276 | case 0x1240:\r | |
1277 | Value->u8 = DEFAULT_CLASS_STANDARD_VALUE;\r | |
1278 | break;\r | |
1279 | \r | |
1280 | case 0x1252:\r | |
1281 | for (Index = 0; Index < 3; Index ++) {\r | |
1282 | SetArrayData (Value, EFI_IFR_TYPE_NUM_SIZE_8, Index, BufferValue--);\r | |
1283 | }\r | |
1284 | break;\r | |
1285 | \r | |
1286 | default:\r | |
1287 | Status = EFI_UNSUPPORTED;\r | |
1288 | break;\r | |
1289 | }\r | |
1290 | }\r | |
1291 | break;\r | |
1292 | \r | |
1293 | case EFI_BROWSER_ACTION_DEFAULT_MANUFACTURING:\r | |
1294 | {\r | |
1295 | switch (QuestionId) {\r | |
1296 | case 0x1240:\r | |
1297 | Value->u8 = DEFAULT_CLASS_MANUFACTURING_VALUE;\r | |
1298 | break;\r | |
1299 | \r | |
1300 | default:\r | |
1301 | Status = EFI_UNSUPPORTED; \r | |
1302 | break;\r | |
1303 | }\r | |
1304 | }\r | |
1305 | break;\r | |
1306 | \r | |
1307 | case EFI_BROWSER_ACTION_CHANGING:\r | |
1308 | {\r | |
1309 | switch (QuestionId) {\r | |
1310 | case 0x1249:\r | |
1311 | {\r | |
1312 | if (Type != EFI_IFR_TYPE_REF) {\r | |
1313 | return EFI_INVALID_PARAMETER;\r | |
1314 | }\r | |
1315 | \r | |
1316 | Value->ref.FormId = 0x1234;\r | |
1317 | }\r | |
1318 | break;\r | |
1319 | case 0x1234:\r | |
1320 | //\r | |
1321 | // Initialize the container for dynamic opcodes\r | |
1322 | //\r | |
1323 | StartOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
1324 | ASSERT (StartOpCodeHandle != NULL);\r | |
1325 | \r | |
1326 | EndOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
1327 | ASSERT (EndOpCodeHandle != NULL);\r | |
1328 | \r | |
1329 | //\r | |
1330 | // Create Hii Extend Label OpCode as the start opcode\r | |
1331 | //\r | |
1332 | StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (StartOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));\r | |
1333 | StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
1334 | StartLabel->Number = LABEL_UPDATE1;\r | |
1335 | \r | |
1336 | //\r | |
1337 | // Create Hii Extend Label OpCode as the end opcode\r | |
1338 | //\r | |
1339 | EndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (EndOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));\r | |
1340 | EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r | |
1341 | EndLabel->Number = LABEL_END;\r | |
1342 | \r | |
1343 | HiiCreateActionOpCode (\r | |
1344 | StartOpCodeHandle, // Container for dynamic created opcodes\r | |
1345 | 0x1237, // Question ID\r | |
1346 | STRING_TOKEN(STR_EXIT_TEXT), // Prompt text\r | |
1347 | STRING_TOKEN(STR_EXIT_TEXT), // Help text\r | |
1348 | EFI_IFR_FLAG_CALLBACK, // Question flag\r | |
1349 | 0 // Action String ID\r | |
1350 | );\r | |
1351 | \r | |
1352 | //\r | |
1353 | // Create Option OpCode\r | |
1354 | //\r | |
1355 | OptionsOpCodeHandle = HiiAllocateOpCodeHandle ();\r | |
1356 | ASSERT (OptionsOpCodeHandle != NULL);\r | |
1357 | \r | |
1358 | HiiCreateOneOfOptionOpCode (\r | |
1359 | OptionsOpCodeHandle,\r | |
1360 | STRING_TOKEN (STR_BOOT_OPTION1),\r | |
1361 | 0,\r | |
1362 | EFI_IFR_NUMERIC_SIZE_1,\r | |
1363 | 1\r | |
1364 | );\r | |
1365 | \r | |
1366 | HiiCreateOneOfOptionOpCode (\r | |
1367 | OptionsOpCodeHandle,\r | |
1368 | STRING_TOKEN (STR_BOOT_OPTION2),\r | |
1369 | 0,\r | |
1370 | EFI_IFR_NUMERIC_SIZE_1,\r | |
1371 | 2\r | |
1372 | );\r | |
1373 | \r | |
1374 | //\r | |
1375 | // Prepare initial value for the dynamic created oneof Question\r | |
1376 | //\r | |
1377 | PrivateData->Configuration.DynamicOneof = 2;\r | |
1378 | Status = gRT->SetVariable(\r | |
1379 | VariableName,\r | |
1380 | &gDriverSampleFormSetGuid,\r | |
1381 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
1382 | sizeof (DRIVER_SAMPLE_CONFIGURATION),\r | |
1383 | &PrivateData->Configuration\r | |
1384 | );\r | |
1385 | \r | |
1386 | //\r | |
1387 | // Set initial vlaue of dynamic created oneof Question in Form Browser\r | |
1388 | //\r | |
1389 | Configuration = AllocateZeroPool (sizeof (DRIVER_SAMPLE_CONFIGURATION));\r | |
1390 | ASSERT (Configuration != NULL);\r | |
1391 | if (HiiGetBrowserData (&gDriverSampleFormSetGuid, VariableName, sizeof (DRIVER_SAMPLE_CONFIGURATION), (UINT8 *) Configuration)) {\r | |
1392 | Configuration->DynamicOneof = 2;\r | |
1393 | \r | |
1394 | //\r | |
1395 | // Update uncommitted data of Browser\r | |
1396 | //\r | |
1397 | HiiSetBrowserData (\r | |
1398 | &gDriverSampleFormSetGuid,\r | |
1399 | VariableName,\r | |
1400 | sizeof (DRIVER_SAMPLE_CONFIGURATION),\r | |
1401 | (UINT8 *) Configuration,\r | |
1402 | NULL\r | |
1403 | );\r | |
1404 | }\r | |
1405 | FreePool (Configuration);\r | |
1406 | \r | |
1407 | HiiCreateOneOfOpCode (\r | |
1408 | StartOpCodeHandle, // Container for dynamic created opcodes\r | |
1409 | 0x8001, // Question ID (or call it "key")\r | |
1410 | CONFIGURATION_VARSTORE_ID, // VarStore ID\r | |
1411 | (UINT16) DYNAMIC_ONE_OF_VAR_OFFSET, // Offset in Buffer Storage\r | |
1412 | STRING_TOKEN (STR_ONE_OF_PROMPT), // Question prompt text\r | |
1413 | STRING_TOKEN (STR_ONE_OF_HELP), // Question help text\r | |
1414 | EFI_IFR_FLAG_CALLBACK, // Question flag\r | |
1415 | EFI_IFR_NUMERIC_SIZE_1, // Data type of Question Value\r | |
1416 | OptionsOpCodeHandle, // Option Opcode list\r | |
1417 | NULL // Default Opcode is NULl\r | |
1418 | );\r | |
1419 | \r | |
1420 | HiiCreateOrderedListOpCode (\r | |
1421 | StartOpCodeHandle, // Container for dynamic created opcodes\r | |
1422 | 0x8002, // Question ID\r | |
1423 | CONFIGURATION_VARSTORE_ID, // VarStore ID\r | |
1424 | (UINT16) DYNAMIC_ORDERED_LIST_VAR_OFFSET, // Offset in Buffer Storage\r | |
1425 | STRING_TOKEN (STR_BOOT_OPTIONS), // Question prompt text\r | |
1426 | STRING_TOKEN (STR_BOOT_OPTIONS), // Question help text\r | |
1427 | EFI_IFR_FLAG_RESET_REQUIRED, // Question flag\r | |
1428 | 0, // Ordered list flag, e.g. EFI_IFR_UNIQUE_SET\r | |
1429 | EFI_IFR_NUMERIC_SIZE_1, // Data type of Question value\r | |
1430 | 5, // Maximum container\r | |
1431 | OptionsOpCodeHandle, // Option Opcode list\r | |
1432 | NULL // Default Opcode is NULl\r | |
1433 | );\r | |
1434 | \r | |
1435 | HiiCreateTextOpCode (\r | |
1436 | StartOpCodeHandle,\r | |
1437 | STRING_TOKEN(STR_TEXT_SAMPLE_HELP),\r | |
1438 | STRING_TOKEN(STR_TEXT_SAMPLE_HELP),\r | |
1439 | STRING_TOKEN(STR_TEXT_SAMPLE_STRING)\r | |
1440 | );\r | |
1441 | \r | |
1442 | HiiCreateDateOpCode (\r | |
1443 | StartOpCodeHandle,\r | |
1444 | 0x8004,\r | |
1445 | 0x0,\r | |
1446 | 0x0,\r | |
1447 | STRING_TOKEN(STR_DATE_SAMPLE_HELP),\r | |
1448 | STRING_TOKEN(STR_DATE_SAMPLE_HELP),\r | |
1449 | 0,\r | |
1450 | QF_DATE_STORAGE_TIME,\r | |
1451 | NULL\r | |
1452 | );\r | |
1453 | \r | |
1454 | HiiCreateTimeOpCode (\r | |
1455 | StartOpCodeHandle,\r | |
1456 | 0x8005,\r | |
1457 | 0x0,\r | |
1458 | 0x0,\r | |
1459 | STRING_TOKEN(STR_TIME_SAMPLE_HELP),\r | |
1460 | STRING_TOKEN(STR_TIME_SAMPLE_HELP),\r | |
1461 | 0,\r | |
1462 | QF_TIME_STORAGE_TIME,\r | |
1463 | NULL\r | |
1464 | );\r | |
1465 | \r | |
1466 | HiiCreateGotoOpCode (\r | |
1467 | StartOpCodeHandle, // Container for dynamic created opcodes\r | |
1468 | 1, // Target Form ID\r | |
1469 | STRING_TOKEN (STR_GOTO_FORM1), // Prompt text\r | |
1470 | STRING_TOKEN (STR_GOTO_HELP), // Help text\r | |
1471 | 0, // Question flag\r | |
1472 | 0x8003 // Question ID\r | |
1473 | );\r | |
1474 | \r | |
1475 | HiiUpdateForm (\r | |
1476 | PrivateData->HiiHandle[0], // HII handle\r | |
1477 | &gDriverSampleFormSetGuid, // Formset GUID\r | |
1478 | 0x1234, // Form ID\r | |
1479 | StartOpCodeHandle, // Label for where to insert opcodes\r | |
1480 | EndOpCodeHandle // Replace data\r | |
1481 | );\r | |
1482 | \r | |
1483 | HiiFreeOpCodeHandle (StartOpCodeHandle);\r | |
1484 | HiiFreeOpCodeHandle (OptionsOpCodeHandle);\r | |
1485 | HiiFreeOpCodeHandle (EndOpCodeHandle);\r | |
1486 | break;\r | |
1487 | \r | |
1488 | default:\r | |
1489 | break;\r | |
1490 | }\r | |
1491 | }\r | |
1492 | break;\r | |
1493 | \r | |
1494 | case EFI_BROWSER_ACTION_CHANGED:\r | |
1495 | switch (QuestionId) {\r | |
1496 | case 0x1237:\r | |
1497 | //\r | |
1498 | // User press "Exit now", request Browser to exit\r | |
1499 | //\r | |
1500 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_EXIT;\r | |
1501 | break;\r | |
1502 | \r | |
1503 | case 0x1238:\r | |
1504 | //\r | |
1505 | // User press "Save now", request Browser to save the uncommitted data.\r | |
1506 | //\r | |
1507 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_SUBMIT;\r | |
1508 | break;\r | |
1509 | \r | |
1510 | case 0x1241:\r | |
1511 | case 0x1246:\r | |
1512 | //\r | |
1513 | // User press "Submit current form and Exit now", request Browser to submit current form and exit\r | |
1514 | //\r | |
1515 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_SUBMIT_EXIT;\r | |
1516 | break;\r | |
1517 | \r | |
1518 | case 0x1242:\r | |
1519 | //\r | |
1520 | // User press "Discard current form now", request Browser to discard the uncommitted data.\r | |
1521 | //\r | |
1522 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_DISCARD;\r | |
1523 | break;\r | |
1524 | \r | |
1525 | case 0x1243:\r | |
1526 | //\r | |
1527 | // User press "Submit current form now", request Browser to save the uncommitted data.\r | |
1528 | //\r | |
1529 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;\r | |
1530 | break;\r | |
1531 | \r | |
1532 | case 0x1244:\r | |
1533 | case 0x1245:\r | |
1534 | //\r | |
1535 | // User press "Discard current form and Exit now", request Browser to discard the uncommitted data and exit.\r | |
1536 | //\r | |
1537 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_DISCARD_EXIT;\r | |
1538 | break;\r | |
1539 | \r | |
1540 | case 0x1231:\r | |
1541 | //\r | |
1542 | // 1. Check to see whether system support keyword.\r | |
1543 | //\r | |
1544 | Status = PrivateData->HiiKeywordHandler->GetData (PrivateData->HiiKeywordHandler,\r | |
1545 | L"NAMESPACE=x-UEFI-ns",\r | |
1546 | L"KEYWORD=iSCSIBootEnable",\r | |
1547 | &Progress,\r | |
1548 | &ProgressErr,\r | |
1549 | &Results\r | |
1550 | );\r | |
1551 | if (EFI_ERROR (Status)) {\r | |
1552 | do {\r | |
1553 | CreatePopUp (\r | |
1554 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
1555 | &Key,\r | |
1556 | L"",\r | |
1557 | L"This system not support this keyword!",\r | |
1558 | L"Press ENTER to continue ...",\r | |
1559 | L"",\r | |
1560 | NULL\r | |
1561 | );\r | |
1562 | } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);\r | |
1563 | \r | |
1564 | Status = EFI_SUCCESS;\r | |
1565 | break;\r | |
1566 | }\r | |
1567 | \r | |
1568 | //\r | |
1569 | // 2. If system support this keyword, just try to change value.\r | |
1570 | //\r | |
1571 | \r | |
1572 | //\r | |
1573 | // Change value from '0' to '1' or from '1' to '0'\r | |
1574 | //\r | |
1575 | TmpStr = StrStr (Results, L"&VALUE=");\r | |
1576 | ASSERT (TmpStr != NULL);\r | |
1577 | TmpStr += StrLen (L"&VALUE=");\r | |
1578 | TmpStr++;\r | |
1579 | if (*TmpStr == L'0') {\r | |
1580 | *TmpStr = L'1';\r | |
1581 | } else {\r | |
1582 | *TmpStr = L'0';\r | |
1583 | }\r | |
1584 | \r | |
1585 | //\r | |
1586 | // 3. Call the keyword handler protocol to change the value.\r | |
1587 | //\r | |
1588 | Status = PrivateData->HiiKeywordHandler->SetData (PrivateData->HiiKeywordHandler,\r | |
1589 | Results,\r | |
1590 | &Progress,\r | |
1591 | &ProgressErr\r | |
1592 | );\r | |
1593 | if (EFI_ERROR (Status)) {\r | |
1594 | do {\r | |
1595 | CreatePopUp (\r | |
1596 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
1597 | &Key,\r | |
1598 | L"",\r | |
1599 | L"Set keyword to the system failed!",\r | |
1600 | L"Press ENTER to continue ...",\r | |
1601 | L"",\r | |
1602 | NULL\r | |
1603 | );\r | |
1604 | } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);\r | |
1605 | \r | |
1606 | Status = EFI_SUCCESS;\r | |
1607 | break;\r | |
1608 | }\r | |
1609 | break;\r | |
1610 | \r | |
1611 | default:\r | |
1612 | break;\r | |
1613 | }\r | |
1614 | break;\r | |
1615 | \r | |
1616 | case EFI_BROWSER_ACTION_SUBMITTED:\r | |
1617 | {\r | |
1618 | if (QuestionId == 0x1250) {\r | |
1619 | //\r | |
1620 | // Sample CallBack for EFI_BROWSER_ACTION_SUBMITTED action:\r | |
1621 | // Show up a pop-up to show SUBMITTED callback has been triggered.\r | |
1622 | //\r | |
1623 | do {\r | |
1624 | CreatePopUp (\r | |
1625 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
1626 | &Key,\r | |
1627 | L"",\r | |
1628 | L"EfiVarstore value has been submitted!",\r | |
1629 | L"Press ESC or ENTER to continue ...",\r | |
1630 | L"",\r | |
1631 | NULL\r | |
1632 | );\r | |
1633 | } while ((Key.ScanCode != SCAN_ESC) && (Key.UnicodeChar != CHAR_CARRIAGE_RETURN));\r | |
1634 | }\r | |
1635 | }\r | |
1636 | break;\r | |
1637 | \r | |
1638 | default:\r | |
1639 | Status = EFI_UNSUPPORTED;\r | |
1640 | break;\r | |
1641 | }\r | |
1642 | \r | |
1643 | return Status;\r | |
1644 | }\r | |
1645 | \r | |
1646 | /**\r | |
1647 | Main entry for this driver.\r | |
1648 | \r | |
1649 | @param ImageHandle Image handle this driver.\r | |
1650 | @param SystemTable Pointer to SystemTable.\r | |
1651 | \r | |
1652 | @retval EFI_SUCESS This function always complete successfully.\r | |
1653 | \r | |
1654 | **/\r | |
1655 | EFI_STATUS\r | |
1656 | EFIAPI\r | |
1657 | DriverSampleInit (\r | |
1658 | IN EFI_HANDLE ImageHandle,\r | |
1659 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
1660 | )\r | |
1661 | {\r | |
1662 | EFI_STATUS Status;\r | |
1663 | EFI_HII_HANDLE HiiHandle[2];\r | |
1664 | EFI_SCREEN_DESCRIPTOR Screen;\r | |
1665 | EFI_HII_DATABASE_PROTOCOL *HiiDatabase;\r | |
1666 | EFI_HII_STRING_PROTOCOL *HiiString;\r | |
1667 | EFI_FORM_BROWSER2_PROTOCOL *FormBrowser2;\r | |
1668 | EFI_HII_CONFIG_ROUTING_PROTOCOL *HiiConfigRouting;\r | |
1669 | EFI_CONFIG_KEYWORD_HANDLER_PROTOCOL *HiiKeywordHandler;\r | |
1670 | CHAR16 *NewString;\r | |
1671 | UINTN BufferSize;\r | |
1672 | DRIVER_SAMPLE_CONFIGURATION *Configuration;\r | |
1673 | BOOLEAN ActionFlag;\r | |
1674 | EFI_STRING ConfigRequestHdr;\r | |
1675 | EFI_STRING NameRequestHdr;\r | |
1676 | MY_EFI_VARSTORE_DATA *VarStoreConfig;\r | |
1677 | EFI_INPUT_KEY HotKey;\r | |
1678 | EDKII_FORM_BROWSER_EXTENSION_PROTOCOL *FormBrowserEx;\r | |
1679 | \r | |
1680 | //\r | |
1681 | // Initialize the local variables.\r | |
1682 | //\r | |
1683 | ConfigRequestHdr = NULL;\r | |
1684 | NewString = NULL;\r | |
1685 | \r | |
1686 | //\r | |
1687 | // Initialize screen dimensions for SendForm().\r | |
1688 | // Remove 3 characters from top and bottom\r | |
1689 | //\r | |
1690 | ZeroMem (&Screen, sizeof (EFI_SCREEN_DESCRIPTOR));\r | |
1691 | gST->ConOut->QueryMode (gST->ConOut, gST->ConOut->Mode->Mode, &Screen.RightColumn, &Screen.BottomRow);\r | |
1692 | \r | |
1693 | Screen.TopRow = 3;\r | |
1694 | Screen.BottomRow = Screen.BottomRow - 3;\r | |
1695 | \r | |
1696 | //\r | |
1697 | // Initialize driver private data\r | |
1698 | //\r | |
1699 | mPrivateData = AllocateZeroPool (sizeof (DRIVER_SAMPLE_PRIVATE_DATA));\r | |
1700 | if (mPrivateData == NULL) {\r | |
1701 | return EFI_OUT_OF_RESOURCES;\r | |
1702 | }\r | |
1703 | \r | |
1704 | mPrivateData->Signature = DRIVER_SAMPLE_PRIVATE_SIGNATURE;\r | |
1705 | \r | |
1706 | mPrivateData->ConfigAccess.ExtractConfig = ExtractConfig;\r | |
1707 | mPrivateData->ConfigAccess.RouteConfig = RouteConfig;\r | |
1708 | mPrivateData->ConfigAccess.Callback = DriverCallback;\r | |
1709 | \r | |
1710 | //\r | |
1711 | // Locate Hii Database protocol\r | |
1712 | //\r | |
1713 | Status = gBS->LocateProtocol (&gEfiHiiDatabaseProtocolGuid, NULL, (VOID **) &HiiDatabase);\r | |
1714 | if (EFI_ERROR (Status)) {\r | |
1715 | return Status;\r | |
1716 | }\r | |
1717 | mPrivateData->HiiDatabase = HiiDatabase;\r | |
1718 | \r | |
1719 | //\r | |
1720 | // Locate HiiString protocol\r | |
1721 | //\r | |
1722 | Status = gBS->LocateProtocol (&gEfiHiiStringProtocolGuid, NULL, (VOID **) &HiiString);\r | |
1723 | if (EFI_ERROR (Status)) {\r | |
1724 | return Status;\r | |
1725 | }\r | |
1726 | mPrivateData->HiiString = HiiString;\r | |
1727 | \r | |
1728 | //\r | |
1729 | // Locate Formbrowser2 protocol\r | |
1730 | //\r | |
1731 | Status = gBS->LocateProtocol (&gEfiFormBrowser2ProtocolGuid, NULL, (VOID **) &FormBrowser2);\r | |
1732 | if (EFI_ERROR (Status)) {\r | |
1733 | return Status;\r | |
1734 | }\r | |
1735 | mPrivateData->FormBrowser2 = FormBrowser2;\r | |
1736 | \r | |
1737 | //\r | |
1738 | // Locate ConfigRouting protocol\r | |
1739 | //\r | |
1740 | Status = gBS->LocateProtocol (&gEfiHiiConfigRoutingProtocolGuid, NULL, (VOID **) &HiiConfigRouting);\r | |
1741 | if (EFI_ERROR (Status)) {\r | |
1742 | return Status;\r | |
1743 | }\r | |
1744 | mPrivateData->HiiConfigRouting = HiiConfigRouting;\r | |
1745 | \r | |
1746 | //\r | |
1747 | // Locate keyword handler protocol\r | |
1748 | //\r | |
1749 | Status = gBS->LocateProtocol (&gEfiConfigKeywordHandlerProtocolGuid, NULL, (VOID **) &HiiKeywordHandler);\r | |
1750 | if (EFI_ERROR (Status)) {\r | |
1751 | return Status;\r | |
1752 | }\r | |
1753 | mPrivateData->HiiKeywordHandler = HiiKeywordHandler;\r | |
1754 | \r | |
1755 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
1756 | &DriverHandle[0],\r | |
1757 | &gEfiDevicePathProtocolGuid,\r | |
1758 | &mHiiVendorDevicePath0,\r | |
1759 | &gEfiHiiConfigAccessProtocolGuid,\r | |
1760 | &mPrivateData->ConfigAccess,\r | |
1761 | NULL\r | |
1762 | );\r | |
1763 | ASSERT_EFI_ERROR (Status);\r | |
1764 | \r | |
1765 | mPrivateData->DriverHandle[0] = DriverHandle[0];\r | |
1766 | \r | |
1767 | //\r | |
1768 | // Publish our HII data\r | |
1769 | //\r | |
1770 | HiiHandle[0] = HiiAddPackages (\r | |
1771 | &gDriverSampleFormSetGuid,\r | |
1772 | DriverHandle[0],\r | |
1773 | DriverSampleStrings,\r | |
1774 | VfrBin,\r | |
1775 | NULL\r | |
1776 | );\r | |
1777 | if (HiiHandle[0] == NULL) {\r | |
1778 | return EFI_OUT_OF_RESOURCES;\r | |
1779 | }\r | |
1780 | \r | |
1781 | mPrivateData->HiiHandle[0] = HiiHandle[0];\r | |
1782 | \r | |
1783 | //\r | |
1784 | // Publish another Fromset\r | |
1785 | //\r | |
1786 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
1787 | &DriverHandle[1],\r | |
1788 | &gEfiDevicePathProtocolGuid,\r | |
1789 | &mHiiVendorDevicePath1,\r | |
1790 | &gEfiHiiConfigAccessProtocolGuid,\r | |
1791 | &mPrivateData->ConfigAccess,\r | |
1792 | NULL\r | |
1793 | );\r | |
1794 | ASSERT_EFI_ERROR (Status);\r | |
1795 | \r | |
1796 | mPrivateData->DriverHandle[1] = DriverHandle[1];\r | |
1797 | \r | |
1798 | HiiHandle[1] = HiiAddPackages (\r | |
1799 | &gDriverSampleInventoryGuid,\r | |
1800 | DriverHandle[1],\r | |
1801 | DriverSampleStrings,\r | |
1802 | InventoryBin,\r | |
1803 | NULL\r | |
1804 | );\r | |
1805 | if (HiiHandle[1] == NULL) {\r | |
1806 | DriverSampleUnload (ImageHandle);\r | |
1807 | return EFI_OUT_OF_RESOURCES;\r | |
1808 | }\r | |
1809 | \r | |
1810 | mPrivateData->HiiHandle[1] = HiiHandle[1];\r | |
1811 | \r | |
1812 | //\r | |
1813 | // Update the device path string.\r | |
1814 | //\r | |
1815 | NewString = ConvertDevicePathToText((EFI_DEVICE_PATH_PROTOCOL*)&mHiiVendorDevicePath0, FALSE, FALSE);\r | |
1816 | if (HiiSetString (HiiHandle[0], STRING_TOKEN (STR_DEVICE_PATH), NewString, NULL) == 0) {\r | |
1817 | DriverSampleUnload (ImageHandle);\r | |
1818 | return EFI_OUT_OF_RESOURCES;\r | |
1819 | }\r | |
1820 | if (NewString != NULL) {\r | |
1821 | FreePool (NewString);\r | |
1822 | }\r | |
1823 | \r | |
1824 | //\r | |
1825 | // Very simple example of how one would update a string that is already\r | |
1826 | // in the HII database\r | |
1827 | //\r | |
1828 | NewString = L"700 Mhz";\r | |
1829 | \r | |
1830 | if (HiiSetString (HiiHandle[0], STRING_TOKEN (STR_CPU_STRING2), NewString, NULL) == 0) {\r | |
1831 | DriverSampleUnload (ImageHandle);\r | |
1832 | return EFI_OUT_OF_RESOURCES;\r | |
1833 | }\r | |
1834 | \r | |
1835 | HiiSetString (HiiHandle[0], 0, NewString, NULL);\r | |
1836 | \r | |
1837 | //\r | |
1838 | // Initialize Name/Value name String ID\r | |
1839 | //\r | |
1840 | mPrivateData->NameStringId[0] = STR_NAME_VALUE_VAR_NAME0;\r | |
1841 | mPrivateData->NameStringId[1] = STR_NAME_VALUE_VAR_NAME1;\r | |
1842 | mPrivateData->NameStringId[2] = STR_NAME_VALUE_VAR_NAME2;\r | |
1843 | \r | |
1844 | //\r | |
1845 | // Initialize configuration data\r | |
1846 | //\r | |
1847 | Configuration = &mPrivateData->Configuration;\r | |
1848 | ZeroMem (Configuration, sizeof (DRIVER_SAMPLE_CONFIGURATION));\r | |
1849 | \r | |
1850 | //\r | |
1851 | // Try to read NV config EFI variable first\r | |
1852 | //\r | |
1853 | ConfigRequestHdr = HiiConstructConfigHdr (&gDriverSampleFormSetGuid, VariableName, DriverHandle[0]);\r | |
1854 | ASSERT (ConfigRequestHdr != NULL);\r | |
1855 | \r | |
1856 | NameRequestHdr = HiiConstructConfigHdr (&gDriverSampleFormSetGuid, NULL, DriverHandle[0]);\r | |
1857 | ASSERT (NameRequestHdr != NULL);\r | |
1858 | \r | |
1859 | BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);\r | |
1860 | Status = gRT->GetVariable (VariableName, &gDriverSampleFormSetGuid, NULL, &BufferSize, Configuration);\r | |
1861 | if (EFI_ERROR (Status)) {\r | |
1862 | //\r | |
1863 | // Store zero data Buffer Storage to EFI variable\r | |
1864 | //\r | |
1865 | Status = gRT->SetVariable(\r | |
1866 | VariableName,\r | |
1867 | &gDriverSampleFormSetGuid,\r | |
1868 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
1869 | sizeof (DRIVER_SAMPLE_CONFIGURATION),\r | |
1870 | Configuration\r | |
1871 | );\r | |
1872 | if (EFI_ERROR (Status)) {\r | |
1873 | DriverSampleUnload (ImageHandle);\r | |
1874 | return Status;\r | |
1875 | }\r | |
1876 | //\r | |
1877 | // EFI variable for NV config doesn't exit, we should build this variable\r | |
1878 | // based on default values stored in IFR\r | |
1879 | //\r | |
1880 | ActionFlag = HiiSetToDefaults (NameRequestHdr, EFI_HII_DEFAULT_CLASS_STANDARD);\r | |
1881 | if (!ActionFlag) {\r | |
1882 | DriverSampleUnload (ImageHandle);\r | |
1883 | return EFI_INVALID_PARAMETER;\r | |
1884 | }\r | |
1885 | \r | |
1886 | ActionFlag = HiiSetToDefaults (ConfigRequestHdr, EFI_HII_DEFAULT_CLASS_STANDARD);\r | |
1887 | if (!ActionFlag) {\r | |
1888 | DriverSampleUnload (ImageHandle);\r | |
1889 | return EFI_INVALID_PARAMETER;\r | |
1890 | }\r | |
1891 | } else {\r | |
1892 | //\r | |
1893 | // EFI variable does exist and Validate Current Setting\r | |
1894 | //\r | |
1895 | ActionFlag = HiiValidateSettings (NameRequestHdr);\r | |
1896 | if (!ActionFlag) {\r | |
1897 | DriverSampleUnload (ImageHandle);\r | |
1898 | return EFI_INVALID_PARAMETER;\r | |
1899 | }\r | |
1900 | \r | |
1901 | ActionFlag = HiiValidateSettings (ConfigRequestHdr);\r | |
1902 | if (!ActionFlag) {\r | |
1903 | DriverSampleUnload (ImageHandle);\r | |
1904 | return EFI_INVALID_PARAMETER;\r | |
1905 | }\r | |
1906 | }\r | |
1907 | FreePool (ConfigRequestHdr);\r | |
1908 | \r | |
1909 | //\r | |
1910 | // Initialize efi varstore configuration data\r | |
1911 | //\r | |
1912 | VarStoreConfig = &mPrivateData->VarStoreConfig;\r | |
1913 | ZeroMem (VarStoreConfig, sizeof (MY_EFI_VARSTORE_DATA));\r | |
1914 | \r | |
1915 | ConfigRequestHdr = HiiConstructConfigHdr (&gDriverSampleFormSetGuid, MyEfiVar, DriverHandle[0]);\r | |
1916 | ASSERT (ConfigRequestHdr != NULL);\r | |
1917 | \r | |
1918 | BufferSize = sizeof (MY_EFI_VARSTORE_DATA);\r | |
1919 | Status = gRT->GetVariable (MyEfiVar, &gDriverSampleFormSetGuid, NULL, &BufferSize, VarStoreConfig);\r | |
1920 | if (EFI_ERROR (Status)) {\r | |
1921 | //\r | |
1922 | // Store zero data to EFI variable Storage.\r | |
1923 | //\r | |
1924 | Status = gRT->SetVariable(\r | |
1925 | MyEfiVar,\r | |
1926 | &gDriverSampleFormSetGuid,\r | |
1927 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
1928 | sizeof (MY_EFI_VARSTORE_DATA),\r | |
1929 | VarStoreConfig\r | |
1930 | );\r | |
1931 | if (EFI_ERROR (Status)) {\r | |
1932 | DriverSampleUnload (ImageHandle);\r | |
1933 | return Status;\r | |
1934 | }\r | |
1935 | //\r | |
1936 | // EFI variable for NV config doesn't exit, we should build this variable\r | |
1937 | // based on default values stored in IFR\r | |
1938 | //\r | |
1939 | ActionFlag = HiiSetToDefaults (ConfigRequestHdr, EFI_HII_DEFAULT_CLASS_STANDARD);\r | |
1940 | if (!ActionFlag) {\r | |
1941 | DriverSampleUnload (ImageHandle);\r | |
1942 | return EFI_INVALID_PARAMETER;\r | |
1943 | }\r | |
1944 | } else {\r | |
1945 | //\r | |
1946 | // EFI variable does exist and Validate Current Setting\r | |
1947 | //\r | |
1948 | ActionFlag = HiiValidateSettings (ConfigRequestHdr);\r | |
1949 | if (!ActionFlag) {\r | |
1950 | DriverSampleUnload (ImageHandle);\r | |
1951 | return EFI_INVALID_PARAMETER;\r | |
1952 | }\r | |
1953 | }\r | |
1954 | FreePool (ConfigRequestHdr);\r | |
1955 | \r | |
1956 | Status = gBS->CreateEventEx (\r | |
1957 | EVT_NOTIFY_SIGNAL, \r | |
1958 | TPL_NOTIFY,\r | |
1959 | EfiEventEmptyFunction,\r | |
1960 | NULL,\r | |
1961 | &gEfiIfrRefreshIdOpGuid,\r | |
1962 | &mEvent\r | |
1963 | );\r | |
1964 | ASSERT_EFI_ERROR (Status);\r | |
1965 | \r | |
1966 | //\r | |
1967 | // Example of how to use BrowserEx protocol to register HotKey.\r | |
1968 | // \r | |
1969 | Status = gBS->LocateProtocol (&gEdkiiFormBrowserExProtocolGuid, NULL, (VOID **) &FormBrowserEx);\r | |
1970 | if (!EFI_ERROR (Status)) {\r | |
1971 | //\r | |
1972 | // First unregister the default hot key F9 and F10.\r | |
1973 | //\r | |
1974 | HotKey.UnicodeChar = CHAR_NULL;\r | |
1975 | HotKey.ScanCode = SCAN_F9;\r | |
1976 | FormBrowserEx->RegisterHotKey (&HotKey, 0, 0, NULL);\r | |
1977 | HotKey.ScanCode = SCAN_F10;\r | |
1978 | FormBrowserEx->RegisterHotKey (&HotKey, 0, 0, NULL);\r | |
1979 | \r | |
1980 | //\r | |
1981 | // Register the default HotKey F9 and F10 again.\r | |
1982 | //\r | |
1983 | HotKey.ScanCode = SCAN_F10;\r | |
1984 | NewString = HiiGetString (mPrivateData->HiiHandle[0], STRING_TOKEN (FUNCTION_TEN_STRING), NULL);\r | |
1985 | ASSERT (NewString != NULL);\r | |
1986 | FormBrowserEx->RegisterHotKey (&HotKey, BROWSER_ACTION_SUBMIT, 0, NewString);\r | |
1987 | HotKey.ScanCode = SCAN_F9;\r | |
1988 | NewString = HiiGetString (mPrivateData->HiiHandle[0], STRING_TOKEN (FUNCTION_NINE_STRING), NULL);\r | |
1989 | ASSERT (NewString != NULL);\r | |
1990 | FormBrowserEx->RegisterHotKey (&HotKey, BROWSER_ACTION_DEFAULT, EFI_HII_DEFAULT_CLASS_STANDARD, NewString);\r | |
1991 | }\r | |
1992 | \r | |
1993 | //\r | |
1994 | // In default, this driver is built into Flash device image,\r | |
1995 | // the following code doesn't run.\r | |
1996 | //\r | |
1997 | \r | |
1998 | //\r | |
1999 | // Example of how to display only the item we sent to HII\r | |
2000 | // When this driver is not built into Flash device image,\r | |
2001 | // it need to call SendForm to show front page by itself.\r | |
2002 | //\r | |
2003 | if (DISPLAY_ONLY_MY_ITEM <= 1) {\r | |
2004 | //\r | |
2005 | // Have the browser pull out our copy of the data, and only display our data\r | |
2006 | //\r | |
2007 | Status = FormBrowser2->SendForm (\r | |
2008 | FormBrowser2,\r | |
2009 | &(HiiHandle[DISPLAY_ONLY_MY_ITEM]),\r | |
2010 | 1,\r | |
2011 | NULL,\r | |
2012 | 0,\r | |
2013 | NULL,\r | |
2014 | NULL\r | |
2015 | );\r | |
2016 | \r | |
2017 | HiiRemovePackages (HiiHandle[0]);\r | |
2018 | \r | |
2019 | HiiRemovePackages (HiiHandle[1]);\r | |
2020 | }\r | |
2021 | \r | |
2022 | return EFI_SUCCESS;\r | |
2023 | }\r | |
2024 | \r | |
2025 | /**\r | |
2026 | Unloads the application and its installed protocol.\r | |
2027 | \r | |
2028 | @param[in] ImageHandle Handle that identifies the image to be unloaded.\r | |
2029 | \r | |
2030 | @retval EFI_SUCCESS The image has been unloaded.\r | |
2031 | **/\r | |
2032 | EFI_STATUS\r | |
2033 | EFIAPI\r | |
2034 | DriverSampleUnload (\r | |
2035 | IN EFI_HANDLE ImageHandle\r | |
2036 | )\r | |
2037 | {\r | |
2038 | UINTN Index;\r | |
2039 | \r | |
2040 | ASSERT (mPrivateData != NULL);\r | |
2041 | \r | |
2042 | if (DriverHandle[0] != NULL) {\r | |
2043 | gBS->UninstallMultipleProtocolInterfaces (\r | |
2044 | DriverHandle[0],\r | |
2045 | &gEfiDevicePathProtocolGuid,\r | |
2046 | &mHiiVendorDevicePath0,\r | |
2047 | &gEfiHiiConfigAccessProtocolGuid,\r | |
2048 | &mPrivateData->ConfigAccess,\r | |
2049 | NULL\r | |
2050 | );\r | |
2051 | DriverHandle[0] = NULL;\r | |
2052 | }\r | |
2053 | \r | |
2054 | if (DriverHandle[1] != NULL) {\r | |
2055 | gBS->UninstallMultipleProtocolInterfaces (\r | |
2056 | DriverHandle[1],\r | |
2057 | &gEfiDevicePathProtocolGuid,\r | |
2058 | &mHiiVendorDevicePath1,\r | |
2059 | &gEfiHiiConfigAccessProtocolGuid,\r | |
2060 | &mPrivateData->ConfigAccess,\r | |
2061 | NULL\r | |
2062 | );\r | |
2063 | DriverHandle[1] = NULL;\r | |
2064 | }\r | |
2065 | \r | |
2066 | if (mPrivateData->HiiHandle[0] != NULL) {\r | |
2067 | HiiRemovePackages (mPrivateData->HiiHandle[0]);\r | |
2068 | }\r | |
2069 | \r | |
2070 | if (mPrivateData->HiiHandle[1] != NULL) {\r | |
2071 | HiiRemovePackages (mPrivateData->HiiHandle[1]);\r | |
2072 | }\r | |
2073 | \r | |
2074 | for (Index = 0; Index < NAME_VALUE_NAME_NUMBER; Index++) {\r | |
2075 | if (mPrivateData->NameValueName[Index] != NULL) {\r | |
2076 | FreePool (mPrivateData->NameValueName[Index]);\r | |
2077 | }\r | |
2078 | }\r | |
2079 | FreePool (mPrivateData);\r | |
2080 | mPrivateData = NULL;\r | |
2081 | \r | |
2082 | gBS->CloseEvent (mEvent);\r | |
2083 | \r | |
2084 | return EFI_SUCCESS;\r | |
2085 | }\r |