| 59336178 |
1 | /** @file\r |
| 2 | Parser for IFR binary encoding.\r |
| 3 | \r |
| 4 | Copyright (c) 2008, Intel Corporation\r |
| 5 | All rights reserved. This program and the accompanying materials\r |
| 6 | are licensed and made available under the terms and conditions of the BSD License\r |
| 7 | which accompanies this distribution. The full text of the license may be found at\r |
| 8 | http://opensource.org/licenses/bsd-license.php\r |
| 9 | \r |
| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
| 12 | \r |
| 13 | **/\r |
| 14 | \r |
| 15 | #include "UefiIfrParser.h"\r |
| 16 | #include "UefiIfrParserExpression.h"\r |
| 17 | #include "UefiIfrParserInternal.h"\r |
| 18 | #include "UefiIfrParserCommon.h"\r |
| 19 | \r |
| 20 | \r |
| 21 | UINT16 mStatementIndex;\r |
| 22 | UINT16 mExpressionOpCodeIndex;\r |
| 23 | \r |
| 24 | BOOLEAN mInScopeSubtitle;\r |
| 25 | BOOLEAN mInScopeSuppress;\r |
| 26 | BOOLEAN mInScopeGrayOut;\r |
| 27 | FORM_EXPRESSION *mSuppressExpression;\r |
| 28 | FORM_EXPRESSION *mGrayOutExpression;\r |
| 29 | \r |
| 30 | EFI_GUID gZeroGuid = {0, 0, 0, {0, 0, 0, 0, 0, 0, 0, 0}};\r |
| 59336178 |
31 | \r |
| 32 | /**\r |
| 33 | Initialize Statement header members.\r |
| 34 | \r |
| 35 | @param OpCodeData Pointer of the raw OpCode data.\r |
| 36 | @param FormSet Pointer of the current FormSe.\r |
| 37 | @param Form Pointer of the current Form.\r |
| 38 | \r |
| 39 | @return The Statement.\r |
| 40 | \r |
| 41 | **/\r |
| 42 | FORM_BROWSER_STATEMENT *\r |
| 43 | CreateStatement (\r |
| 44 | IN UINT8 *OpCodeData,\r |
| 45 | IN OUT FORM_BROWSER_FORMSET *FormSet,\r |
| 46 | IN OUT FORM_BROWSER_FORM *Form\r |
| 47 | )\r |
| 48 | {\r |
| 49 | FORM_BROWSER_STATEMENT *Statement;\r |
| 50 | EFI_IFR_STATEMENT_HEADER *StatementHdr;\r |
| 51 | \r |
| 52 | if (Form == NULL) {\r |
| 53 | //\r |
| 54 | // We are currently not in a Form Scope, so just skip this Statement\r |
| 55 | //\r |
| 56 | return NULL;\r |
| 57 | }\r |
| 58 | \r |
| 59 | Statement = &FormSet->StatementBuffer[mStatementIndex];\r |
| 60 | mStatementIndex++;\r |
| 61 | \r |
| 62 | InitializeListHead (&Statement->DefaultListHead);\r |
| 63 | InitializeListHead (&Statement->OptionListHead);\r |
| 64 | InitializeListHead (&Statement->InconsistentListHead);\r |
| 65 | InitializeListHead (&Statement->NoSubmitListHead);\r |
| 66 | \r |
| 67 | Statement->Signature = FORM_BROWSER_STATEMENT_SIGNATURE;\r |
| 68 | \r |
| 69 | Statement->Operand = ((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode;\r |
| 70 | \r |
| 71 | StatementHdr = (EFI_IFR_STATEMENT_HEADER *) (OpCodeData + sizeof (EFI_IFR_OP_HEADER));\r |
| 72 | CopyMem (&Statement->Prompt, &StatementHdr->Prompt, sizeof (EFI_STRING_ID));\r |
| 73 | CopyMem (&Statement->Help, &StatementHdr->Help, sizeof (EFI_STRING_ID));\r |
| 74 | \r |
| 75 | if (mInScopeSuppress) {\r |
| 76 | Statement->SuppressExpression = mSuppressExpression;\r |
| 77 | }\r |
| 78 | \r |
| 79 | if (mInScopeGrayOut) {\r |
| 80 | Statement->GrayOutExpression = mGrayOutExpression;\r |
| 81 | }\r |
| 82 | \r |
| 83 | Statement->InSubtitle = mInScopeSubtitle;\r |
| 84 | \r |
| 85 | //\r |
| 86 | // Insert this Statement into current Form\r |
| 87 | //\r |
| 88 | InsertTailList (&Form->StatementListHead, &Statement->Link);\r |
| 89 | \r |
| 90 | return Statement;\r |
| 91 | }\r |
| 92 | \r |
| 93 | \r |
| 94 | /**\r |
| 95 | Initialize Question's members.\r |
| 96 | \r |
| 97 | @param OpCodeData Pointer of the raw OpCode data.\r |
| 98 | @param FormSet Pointer of the current FormSet.\r |
| 99 | @param Form Pointer of the current Form.\r |
| 100 | \r |
| 101 | @return The Question.\r |
| 102 | \r |
| 103 | **/\r |
| 104 | FORM_BROWSER_STATEMENT *\r |
| 105 | CreateQuestion (\r |
| 106 | IN UINT8 *OpCodeData,\r |
| 107 | IN OUT FORM_BROWSER_FORMSET *FormSet,\r |
| 108 | IN OUT FORM_BROWSER_FORM *Form\r |
| 109 | )\r |
| 110 | {\r |
| 111 | FORM_BROWSER_STATEMENT *Statement;\r |
| 112 | EFI_IFR_QUESTION_HEADER *QuestionHdr;\r |
| 113 | LIST_ENTRY *Link;\r |
| 114 | FORMSET_STORAGE *Storage;\r |
| 115 | NAME_VALUE_NODE *NameValueNode;\r |
| 116 | \r |
| 117 | Statement = CreateStatement (OpCodeData, FormSet, Form);\r |
| 118 | if (Statement == NULL) {\r |
| 119 | return NULL;\r |
| 120 | }\r |
| 121 | \r |
| 122 | QuestionHdr = (EFI_IFR_QUESTION_HEADER *) (OpCodeData + sizeof (EFI_IFR_OP_HEADER));\r |
| 123 | CopyMem (&Statement->QuestionId, &QuestionHdr->QuestionId, sizeof (EFI_QUESTION_ID));\r |
| 124 | CopyMem (&Statement->VarStoreId, &QuestionHdr->VarStoreId, sizeof (EFI_VARSTORE_ID));\r |
| 125 | CopyMem (&Statement->VarStoreInfo.VarOffset, &QuestionHdr->VarStoreInfo.VarOffset, sizeof (UINT16));\r |
| 126 | \r |
| 127 | Statement->QuestionFlags = QuestionHdr->Flags;\r |
| 128 | \r |
| 129 | if (Statement->VarStoreId == 0) {\r |
| 130 | //\r |
| 131 | // VarStoreId of zero indicates no variable storage\r |
| 132 | //\r |
| 133 | return Statement;\r |
| 134 | }\r |
| 135 | \r |
| 136 | //\r |
| 137 | // Find Storage for this Question\r |
| 138 | //\r |
| 139 | Link = GetFirstNode (&FormSet->StorageListHead);\r |
| 140 | while (!IsNull (&FormSet->StorageListHead, Link)) {\r |
| 141 | Storage = FORMSET_STORAGE_FROM_LINK (Link);\r |
| 142 | \r |
| 143 | if (Storage->VarStoreId == Statement->VarStoreId) {\r |
| 144 | Statement->Storage = Storage;\r |
| 145 | break;\r |
| 146 | }\r |
| 147 | \r |
| 148 | Link = GetNextNode (&FormSet->StorageListHead, Link);\r |
| 149 | }\r |
| 150 | ASSERT (Statement->Storage != NULL);\r |
| 151 | \r |
| 152 | //\r |
| 153 | // Initialilze varname for Name/Value or EFI Variable\r |
| 154 | //\r |
| 155 | if ((Statement->Storage->Type == EFI_HII_VARSTORE_NAME_VALUE) ||\r |
| 156 | (Statement->Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE)) {\r |
| 157 | Statement->VariableName = GetToken (Statement->VarStoreInfo.VarName, FormSet->HiiHandle);\r |
| 158 | ASSERT (Statement->VariableName != NULL);\r |
| 159 | \r |
| 160 | if (Statement->Storage->Type == EFI_HII_VARSTORE_NAME_VALUE) {\r |
| 161 | //\r |
| 162 | // Insert to Name/Value varstore list\r |
| 163 | //\r |
| 164 | NameValueNode = AllocateZeroPool (sizeof (NAME_VALUE_NODE));\r |
| 165 | ASSERT (NameValueNode != NULL);\r |
| 166 | NameValueNode->Signature = NAME_VALUE_NODE_SIGNATURE;\r |
| 167 | NameValueNode->Name = AllocateCopyPool (StrSize (Statement->VariableName), Statement->VariableName);\r |
| 168 | ASSERT (NameValueNode->Name != NULL);\r |
| 169 | NameValueNode->Value = AllocateZeroPool (0x10);\r |
| 170 | ASSERT (NameValueNode->Value != NULL);\r |
| 171 | NameValueNode->EditValue = AllocateZeroPool (0x10);\r |
| 172 | ASSERT (NameValueNode->EditValue != NULL);\r |
| 173 | \r |
| 174 | InsertTailList (&Statement->Storage->NameValueListHead, &NameValueNode->Link);\r |
| 175 | }\r |
| 176 | }\r |
| 177 | \r |
| 178 | return Statement;\r |
| 179 | }\r |
| 180 | \r |
| 181 | \r |
| 182 | /**\r |
| 183 | Allocate a FORM_EXPRESSION node.\r |
| 184 | \r |
| 185 | @param Form The Form associated with this Expression\r |
| 186 | \r |
| 187 | @return Pointer to a FORM_EXPRESSION data structure.\r |
| 188 | \r |
| 189 | **/\r |
| 190 | FORM_EXPRESSION *\r |
| 191 | CreateExpression (\r |
| 192 | IN OUT FORM_BROWSER_FORM *Form\r |
| 193 | )\r |
| 194 | {\r |
| 195 | FORM_EXPRESSION *Expression;\r |
| 196 | \r |
| 197 | Expression = AllocateZeroPool (sizeof (FORM_EXPRESSION));\r |
| 198 | Expression->Signature = FORM_EXPRESSION_SIGNATURE;\r |
| 199 | InitializeListHead (&Expression->OpCodeListHead);\r |
| 200 | \r |
| 201 | return Expression;\r |
| 202 | }\r |
| 203 | \r |
| 204 | \r |
| 205 | /**\r |
| 206 | Allocate a FORMSET_STORAGE data structure and insert to FormSet Storage List.\r |
| 207 | \r |
| 208 | @param FormSet Pointer of the current FormSet\r |
| 209 | \r |
| 210 | @return Pointer to a FORMSET_STORAGE data structure.\r |
| 211 | \r |
| 212 | **/\r |
| 213 | FORMSET_STORAGE *\r |
| 214 | CreateStorage (\r |
| 215 | IN FORM_BROWSER_FORMSET *FormSet\r |
| 216 | )\r |
| 217 | {\r |
| 218 | FORMSET_STORAGE *Storage;\r |
| 219 | \r |
| 220 | Storage = AllocateZeroPool (sizeof (FORMSET_STORAGE));\r |
| 221 | Storage->Signature = FORMSET_STORAGE_SIGNATURE;\r |
| 222 | InitializeListHead (&Storage->NameValueListHead);\r |
| 223 | InsertTailList (&FormSet->StorageListHead, &Storage->Link);\r |
| 224 | \r |
| 225 | return Storage;\r |
| 226 | }\r |
| 227 | \r |
| 228 | \r |
| 229 | /**\r |
| 230 | Create ConfigHdr string for a storage.\r |
| 231 | \r |
| 232 | @param FormSet Pointer of the current FormSet\r |
| 233 | @param Storage Pointer of the storage\r |
| 234 | \r |
| 235 | @retval EFI_SUCCESS Initialize ConfigHdr success\r |
| 236 | \r |
| 237 | **/\r |
| 238 | EFI_STATUS\r |
| 239 | InitializeConfigHdr (\r |
| 240 | IN FORM_BROWSER_FORMSET *FormSet,\r |
| 241 | IN OUT FORMSET_STORAGE *Storage\r |
| 242 | )\r |
| 243 | {\r |
| 244 | EFI_STATUS Status;\r |
| 245 | UINTN StrBufferLen;\r |
| 246 | CHAR16 *Name;\r |
| 247 | \r |
| 248 | if (Storage->Type == EFI_HII_VARSTORE_BUFFER) {\r |
| 249 | Name = Storage->Name;\r |
| 250 | } else {\r |
| 251 | Name = NULL;\r |
| 252 | }\r |
| 253 | \r |
| 254 | StrBufferLen = 0;\r |
| 255 | Status = ConstructConfigHdr (\r |
| 256 | Storage->ConfigHdr,\r |
| 257 | &StrBufferLen,\r |
| 258 | &Storage->Guid,\r |
| 259 | Name,\r |
| 260 | FormSet->DriverHandle\r |
| 261 | );\r |
| 262 | if (Status == EFI_BUFFER_TOO_SMALL) {\r |
| 263 | Storage->ConfigHdr = AllocateZeroPool (StrBufferLen);\r |
| 264 | Status = ConstructConfigHdr (\r |
| 265 | Storage->ConfigHdr,\r |
| 266 | &StrBufferLen,\r |
| 267 | &Storage->Guid,\r |
| 268 | Name,\r |
| 269 | FormSet->DriverHandle\r |
| 270 | );\r |
| 271 | }\r |
| 272 | \r |
| 273 | if (EFI_ERROR (Status)) {\r |
| 274 | return Status;\r |
| 275 | }\r |
| 276 | \r |
| 277 | Storage->ConfigRequest = AllocateCopyPool (StrBufferLen, Storage->ConfigHdr);\r |
| 278 | Storage->SpareStrLen = 0;\r |
| 279 | \r |
| 280 | return EFI_SUCCESS;\r |
| 281 | }\r |
| 282 | \r |
| 283 | \r |
| 284 | /**\r |
| 285 | Initialize Request Element of a Question. <RequestElement> ::= '&'<BlockName> | '&'<Label>\r |
| 286 | \r |
| 287 | @param FormSet Pointer of the current FormSet.\r |
| 288 | @param Question The Question to be initialized.\r |
| 289 | \r |
| 290 | @retval EFI_SUCCESS Function success.\r |
| 291 | @retval EFI_INVALID_PARAMETER No storage associated with the Question.\r |
| 292 | \r |
| 293 | **/\r |
| 294 | EFI_STATUS\r |
| 295 | InitializeRequestElement (\r |
| 296 | IN OUT FORM_BROWSER_FORMSET *FormSet,\r |
| 297 | IN OUT FORM_BROWSER_STATEMENT *Question\r |
| 298 | )\r |
| 299 | {\r |
| 300 | FORMSET_STORAGE *Storage;\r |
| 301 | UINTN StrLen;\r |
| 302 | UINTN StringSize;\r |
| 303 | CHAR16 *NewStr;\r |
| 304 | CHAR16 RequestElement[30];\r |
| 305 | \r |
| 306 | Storage = Question->Storage;\r |
| 307 | if (Storage == NULL) {\r |
| 308 | return EFI_INVALID_PARAMETER;\r |
| 309 | }\r |
| 310 | \r |
| 311 | if (Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE) {\r |
| 312 | //\r |
| 313 | // <ConfigRequest> is unnecessary for EFI variable storage,\r |
| 314 | // GetVariable()/SetVariable() will be used to retrieve/save values\r |
| 315 | //\r |
| 316 | return EFI_SUCCESS;\r |
| 317 | }\r |
| 318 | \r |
| 319 | //\r |
| 320 | // Prepare <RequestElement>\r |
| 321 | //\r |
| 322 | if (Storage->Type == EFI_HII_VARSTORE_BUFFER) {\r |
| 323 | StrLen = UnicodeSPrint (\r |
| 324 | RequestElement,\r |
| 325 | 30 * sizeof (CHAR16),\r |
| 326 | L"&OFFSET=%x&WIDTH=%x",\r |
| 327 | Question->VarStoreInfo.VarOffset,\r |
| 328 | Question->StorageWidth\r |
| 329 | );\r |
| 330 | Question->BlockName = AllocateCopyPool ((StrLen + 1) * sizeof (CHAR16), RequestElement);\r |
| 331 | } else {\r |
| 332 | StrLen = UnicodeSPrint (RequestElement, 30 * sizeof (CHAR16), L"&%s", Question->VariableName);\r |
| 333 | }\r |
| 334 | \r |
| 335 | if ((Question->Operand == EFI_IFR_PASSWORD_OP) && (Question->QuestionFlags & EFI_IFR_FLAG_CALLBACK)) {\r |
| 336 | //\r |
| 337 | // Password with CALLBACK flag is stored in encoded format,\r |
| 338 | // so don't need to append it to <ConfigRequest>\r |
| 339 | //\r |
| 340 | return EFI_SUCCESS;\r |
| 341 | }\r |
| 342 | \r |
| 343 | //\r |
| 344 | // Append <RequestElement> to <ConfigRequest>\r |
| 345 | //\r |
| 346 | if (StrLen > Storage->SpareStrLen) {\r |
| 347 | //\r |
| 348 | // Old String buffer is not sufficient for RequestElement, allocate a new one\r |
| 349 | //\r |
| 350 | StringSize = (Storage->ConfigRequest != NULL) ? StrSize (Storage->ConfigRequest) : sizeof (CHAR16);\r |
| 351 | NewStr = AllocateZeroPool (StringSize + CONFIG_REQUEST_STRING_INCREMENTAL * sizeof (CHAR16));\r |
| 352 | if (Storage->ConfigRequest != NULL) {\r |
| 353 | CopyMem (NewStr, Storage->ConfigRequest, StringSize);\r |
| 354 | gBS->FreePool (Storage->ConfigRequest);\r |
| 355 | }\r |
| 356 | Storage->ConfigRequest = NewStr;\r |
| 357 | Storage->SpareStrLen = CONFIG_REQUEST_STRING_INCREMENTAL;\r |
| 358 | }\r |
| 359 | \r |
| 360 | StrCat (Storage->ConfigRequest, RequestElement);\r |
| 361 | Storage->ElementCount++;\r |
| 362 | Storage->SpareStrLen -= StrLen;\r |
| 363 | \r |
| 364 | return EFI_SUCCESS;\r |
| 365 | }\r |
| 366 | \r |
| 367 | \r |
| 368 | /**\r |
| 369 | Free resources of a Expression\r |
| 370 | \r |
| 371 | @param FormSet Pointer of the Expression\r |
| 372 | \r |
| 373 | @return None.\r |
| 374 | \r |
| 375 | **/\r |
| 376 | VOID\r |
| 377 | DestroyExpression (\r |
| 378 | IN FORM_EXPRESSION *Expression\r |
| 379 | )\r |
| 380 | {\r |
| 381 | LIST_ENTRY *Link;\r |
| 382 | EXPRESSION_OPCODE *OpCode;\r |
| 383 | \r |
| 384 | while (!IsListEmpty (&Expression->OpCodeListHead)) {\r |
| 385 | Link = GetFirstNode (&Expression->OpCodeListHead);\r |
| 386 | OpCode = EXPRESSION_OPCODE_FROM_LINK (Link);\r |
| 387 | RemoveEntryList (&OpCode->Link);\r |
| 388 | \r |
| 389 | SafeFreePool (OpCode->ValueList);\r |
| 390 | }\r |
| 391 | \r |
| 392 | //\r |
| 393 | // Free this Expression\r |
| 394 | //\r |
| 395 | gBS->FreePool (Expression);\r |
| 396 | }\r |
| 397 | \r |
| 398 | \r |
| 399 | /**\r |
| 400 | Free resources of a storage\r |
| 401 | \r |
| 402 | @param Storage Pointer of the storage\r |
| 403 | \r |
| 404 | @return None.\r |
| 405 | \r |
| 406 | **/\r |
| 407 | VOID\r |
| 408 | DestroyStorage (\r |
| 409 | IN FORMSET_STORAGE *Storage\r |
| 410 | )\r |
| 411 | {\r |
| 412 | LIST_ENTRY *Link;\r |
| 413 | NAME_VALUE_NODE *NameValueNode;\r |
| 414 | \r |
| 415 | if (Storage == NULL) {\r |
| 416 | return;\r |
| 417 | }\r |
| 418 | \r |
| 419 | SafeFreePool (Storage->Name);\r |
| 420 | SafeFreePool (Storage->Buffer);\r |
| 421 | SafeFreePool (Storage->EditBuffer);\r |
| 422 | \r |
| 423 | while (!IsListEmpty (&Storage->NameValueListHead)) {\r |
| 424 | Link = GetFirstNode (&Storage->NameValueListHead);\r |
| 425 | NameValueNode = NAME_VALUE_NODE_FROM_LINK (Link);\r |
| 426 | RemoveEntryList (&NameValueNode->Link);\r |
| 427 | \r |
| 428 | SafeFreePool (NameValueNode->Name);\r |
| 429 | SafeFreePool (NameValueNode->Value);\r |
| 430 | SafeFreePool (NameValueNode->EditValue);\r |
| 431 | SafeFreePool (NameValueNode);\r |
| 432 | }\r |
| 433 | \r |
| 434 | SafeFreePool (Storage->ConfigHdr);\r |
| 435 | SafeFreePool (Storage->ConfigRequest);\r |
| 436 | \r |
| 437 | gBS->FreePool (Storage);\r |
| 438 | }\r |
| 439 | \r |
| 440 | \r |
| 441 | /**\r |
| 442 | Free resources of a Statement\r |
| 443 | \r |
| 444 | @param Statement Pointer of the Statement\r |
| 445 | \r |
| 446 | @return None.\r |
| 447 | \r |
| 448 | **/\r |
| 449 | VOID\r |
| 450 | DestroyStatement (\r |
| 451 | IN OUT FORM_BROWSER_STATEMENT *Statement\r |
| 452 | )\r |
| 453 | {\r |
| 454 | LIST_ENTRY *Link;\r |
| 455 | QUESTION_DEFAULT *Default;\r |
| 456 | QUESTION_OPTION *Option;\r |
| 457 | FORM_EXPRESSION *Expression;\r |
| 458 | \r |
| 459 | //\r |
| 460 | // Free Default value List\r |
| 461 | //\r |
| 462 | while (!IsListEmpty (&Statement->DefaultListHead)) {\r |
| 463 | Link = GetFirstNode (&Statement->DefaultListHead);\r |
| 464 | Default = QUESTION_DEFAULT_FROM_LINK (Link);\r |
| 465 | RemoveEntryList (&Default->Link);\r |
| 466 | \r |
| 467 | gBS->FreePool (Default);\r |
| 468 | }\r |
| 469 | \r |
| 470 | //\r |
| 471 | // Free Options List\r |
| 472 | //\r |
| 473 | while (!IsListEmpty (&Statement->OptionListHead)) {\r |
| 474 | Link = GetFirstNode (&Statement->OptionListHead);\r |
| 475 | Option = QUESTION_OPTION_FROM_LINK (Link);\r |
| 476 | RemoveEntryList (&Option->Link);\r |
| 477 | \r |
| 478 | gBS->FreePool (Option);\r |
| 479 | }\r |
| 480 | \r |
| 481 | //\r |
| 482 | // Free Inconsistent List\r |
| 483 | //\r |
| 484 | while (!IsListEmpty (&Statement->InconsistentListHead)) {\r |
| 485 | Link = GetFirstNode (&Statement->InconsistentListHead);\r |
| 486 | Expression = FORM_EXPRESSION_FROM_LINK (Link);\r |
| 487 | RemoveEntryList (&Expression->Link);\r |
| 488 | \r |
| 489 | DestroyExpression (Expression);\r |
| 490 | }\r |
| 491 | \r |
| 492 | //\r |
| 493 | // Free NoSubmit List\r |
| 494 | //\r |
| 495 | while (!IsListEmpty (&Statement->NoSubmitListHead)) {\r |
| 496 | Link = GetFirstNode (&Statement->NoSubmitListHead);\r |
| 497 | Expression = FORM_EXPRESSION_FROM_LINK (Link);\r |
| 498 | RemoveEntryList (&Expression->Link);\r |
| 499 | \r |
| 500 | DestroyExpression (Expression);\r |
| 501 | }\r |
| 502 | \r |
| 503 | SafeFreePool (Statement->VariableName);\r |
| 504 | SafeFreePool (Statement->BlockName);\r |
| 505 | }\r |
| 506 | \r |
| 507 | \r |
| 508 | /**\r |
| 509 | Free resources of a Form\r |
| 510 | \r |
| 511 | @param Form Pointer of the Form\r |
| 512 | \r |
| 513 | @return None.\r |
| 514 | \r |
| 515 | **/\r |
| 516 | VOID\r |
| 517 | DestroyForm (\r |
| 518 | IN OUT FORM_BROWSER_FORM *Form\r |
| 519 | )\r |
| 520 | {\r |
| 521 | LIST_ENTRY *Link;\r |
| 522 | FORM_EXPRESSION *Expression;\r |
| 523 | FORM_BROWSER_STATEMENT *Statement;\r |
| 524 | \r |
| 525 | //\r |
| 526 | // Free Form Expressions\r |
| 527 | //\r |
| 528 | while (!IsListEmpty (&Form->ExpressionListHead)) {\r |
| 529 | Link = GetFirstNode (&Form->ExpressionListHead);\r |
| 530 | Expression = FORM_EXPRESSION_FROM_LINK (Link);\r |
| 531 | RemoveEntryList (&Expression->Link);\r |
| 532 | \r |
| 533 | DestroyExpression (Expression);\r |
| 534 | }\r |
| 535 | \r |
| 536 | //\r |
| 537 | // Free Statements/Questions\r |
| 538 | //\r |
| 539 | while (!IsListEmpty (&Form->StatementListHead)) {\r |
| 540 | Link = GetFirstNode (&Form->StatementListHead);\r |
| 541 | Statement = FORM_BROWSER_STATEMENT_FROM_LINK (Link);\r |
| 542 | RemoveEntryList (&Statement->Link);\r |
| 543 | \r |
| 544 | DestroyStatement (Statement);\r |
| 545 | }\r |
| 546 | \r |
| 547 | //\r |
| 548 | // Free this Form\r |
| 549 | //\r |
| 550 | gBS->FreePool (Form);\r |
| 551 | }\r |
| 552 | \r |
| 553 | \r |
| 554 | /**\r |
| 555 | Free resources allocated for a FormSet\r |
| 556 | \r |
| 557 | @param FormSet Pointer of the FormSet\r |
| 558 | \r |
| 559 | @return None.\r |
| 560 | \r |
| 561 | **/\r |
| 562 | VOID\r |
| 563 | DestroyFormSet (\r |
| 564 | IN OUT FORM_BROWSER_FORMSET *FormSet\r |
| 565 | )\r |
| 566 | {\r |
| 567 | LIST_ENTRY *Link;\r |
| 568 | FORMSET_STORAGE *Storage;\r |
| 569 | FORMSET_DEFAULTSTORE *DefaultStore;\r |
| 570 | FORM_BROWSER_FORM *Form;\r |
| 571 | \r |
| 572 | //\r |
| 573 | // Free IFR binary buffer\r |
| 574 | //\r |
| 575 | SafeFreePool (FormSet->IfrBinaryData);\r |
| 576 | \r |
| 577 | //\r |
| 578 | // Free FormSet Storage\r |
| 579 | //\r |
| 580 | if (FormSet->StorageListHead.ForwardLink != NULL) {\r |
| 581 | while (!IsListEmpty (&FormSet->StorageListHead)) {\r |
| 582 | Link = GetFirstNode (&FormSet->StorageListHead);\r |
| 583 | Storage = FORMSET_STORAGE_FROM_LINK (Link);\r |
| 584 | RemoveEntryList (&Storage->Link);\r |
| 585 | \r |
| 586 | DestroyStorage (Storage);\r |
| 587 | }\r |
| 588 | }\r |
| 589 | \r |
| 590 | //\r |
| 591 | // Free FormSet Default Store\r |
| 592 | //\r |
| 593 | if (FormSet->DefaultStoreListHead.ForwardLink != NULL) {\r |
| 594 | while (!IsListEmpty (&FormSet->DefaultStoreListHead)) {\r |
| 595 | Link = GetFirstNode (&FormSet->DefaultStoreListHead);\r |
| 596 | DefaultStore = FORMSET_DEFAULTSTORE_FROM_LINK (Link);\r |
| 597 | RemoveEntryList (&DefaultStore->Link);\r |
| 598 | \r |
| 599 | gBS->FreePool (DefaultStore);\r |
| 600 | }\r |
| 601 | }\r |
| 602 | \r |
| 603 | //\r |
| 604 | // Free Forms\r |
| 605 | //\r |
| 606 | if (FormSet->FormListHead.ForwardLink != NULL) {\r |
| 607 | while (!IsListEmpty (&FormSet->FormListHead)) {\r |
| 608 | Link = GetFirstNode (&FormSet->FormListHead);\r |
| 609 | Form = FORM_BROWSER_FORM_FROM_LINK (Link);\r |
| 610 | RemoveEntryList (&Form->Link);\r |
| 611 | \r |
| 612 | DestroyForm (Form);\r |
| 613 | }\r |
| 614 | }\r |
| 615 | \r |
| 616 | SafeFreePool (FormSet->StatementBuffer);\r |
| 617 | SafeFreePool (FormSet->ExpressionBuffer);\r |
| 618 | \r |
| 619 | SafeFreePool (FormSet);\r |
| 620 | }\r |
| 621 | \r |
| 622 | \r |
| 623 | /**\r |
| 624 | Tell whether this Operand is an Expression OpCode or not\r |
| 625 | \r |
| 626 | @param Operand Operand of an IFR OpCode.\r |
| 627 | \r |
| 628 | @retval TRUE This is an Expression OpCode.\r |
| 629 | @retval FALSE Not an Expression OpCode.\r |
| 630 | \r |
| 631 | **/\r |
| 632 | BOOLEAN\r |
| 633 | IsExpressionOpCode (\r |
| 634 | IN UINT8 Operand\r |
| 635 | )\r |
| 636 | {\r |
| 637 | if (((Operand >= EFI_IFR_EQ_ID_VAL_OP) && (Operand <= EFI_IFR_NOT_OP)) ||\r |
| 638 | ((Operand >= EFI_IFR_MATCH_OP) && (Operand <= EFI_IFR_SPAN_OP)) ||\r |
| 639 | (Operand == EFI_IFR_CATENATE_OP)\r |
| 640 | ) {\r |
| 641 | return TRUE;\r |
| 642 | } else {\r |
| 643 | return FALSE;\r |
| 644 | }\r |
| 645 | }\r |
| 646 | \r |
| 647 | \r |
| 648 | /**\r |
| 649 | Calculate number of Statemens(Questions) and Expression OpCodes.\r |
| 650 | \r |
| 651 | @param FormSet The FormSet to be counted.\r |
| 652 | @param NumberOfStatement Number of Statemens(Questions)\r |
| 653 | @param NumberOfExpression Number of Expression OpCodes\r |
| 654 | \r |
| 655 | @return None.\r |
| 656 | \r |
| 657 | **/\r |
| 658 | VOID\r |
| 659 | CountOpCodes (\r |
| 660 | IN FORM_BROWSER_FORMSET *FormSet,\r |
| 661 | IN OUT UINT16 *NumberOfStatement,\r |
| 662 | IN OUT UINT16 *NumberOfExpression\r |
| 663 | )\r |
| 664 | {\r |
| 665 | UINT16 StatementCount;\r |
| 666 | UINT16 ExpressionCount;\r |
| 667 | UINT8 *OpCodeData;\r |
| 668 | UINTN Offset;\r |
| 669 | UINTN OpCodeLen;\r |
| 670 | \r |
| 671 | Offset = 0;\r |
| 672 | StatementCount = 0;\r |
| 673 | ExpressionCount = 0;\r |
| 674 | \r |
| 675 | while (Offset < FormSet->IfrBinaryLength) {\r |
| 676 | OpCodeData = FormSet->IfrBinaryData + Offset;\r |
| 677 | OpCodeLen = ((EFI_IFR_OP_HEADER *) OpCodeData)->Length;\r |
| 678 | Offset += OpCodeLen;\r |
| 679 | \r |
| 680 | if (IsExpressionOpCode (((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode)) {\r |
| 681 | ExpressionCount++;\r |
| 682 | } else {\r |
| 683 | StatementCount++;\r |
| 684 | }\r |
| 685 | }\r |
| 686 | \r |
| 687 | *NumberOfStatement = StatementCount;\r |
| 688 | *NumberOfExpression = ExpressionCount;\r |
| 689 | }\r |
| 690 | \r |
| 691 | \r |
| 692 | /**\r |
| 693 | Parse opcodes in the formset IFR binary.\r |
| 694 | \r |
| 695 | @param FormSet Pointer of the FormSet data structure.\r |
| 696 | \r |
| 697 | @retval EFI_SUCCESS Opcode parse success.\r |
| 698 | @retval Other Opcode parse fail.\r |
| 699 | \r |
| 700 | **/\r |
| 701 | EFI_STATUS\r |
| 702 | ParseOpCodes (\r |
| 703 | IN FORM_BROWSER_FORMSET *FormSet\r |
| 704 | )\r |
| 705 | {\r |
| 706 | EFI_STATUS Status;\r |
| 707 | UINT16 Index;\r |
| 708 | FORM_BROWSER_FORM *CurrentForm;\r |
| 709 | FORM_BROWSER_STATEMENT *CurrentStatement;\r |
| 710 | EXPRESSION_OPCODE *ExpressionOpCode;\r |
| 711 | FORM_EXPRESSION *CurrentExpression;\r |
| 712 | UINT8 Operand;\r |
| 713 | UINT8 Scope;\r |
| 714 | UINTN OpCodeOffset;\r |
| 715 | UINTN OpCodeLength;\r |
| 716 | UINT8 *OpCodeData;\r |
| 717 | UINT8 ScopeOpCode;\r |
| 718 | FORMSET_STORAGE *Storage;\r |
| 719 | FORMSET_DEFAULTSTORE *DefaultStore;\r |
| 720 | QUESTION_DEFAULT *CurrentDefault;\r |
| 721 | QUESTION_OPTION *CurrentOption;\r |
| 722 | CHAR8 *AsciiString;\r |
| 723 | UINT16 NumberOfStatement;\r |
| 724 | UINT16 NumberOfExpression;\r |
| 725 | EFI_IMAGE_ID *ImageId;\r |
| 726 | BOOLEAN SuppressForOption;\r |
| 727 | BOOLEAN InScopeOptionSuppress;\r |
| 728 | FORM_EXPRESSION *OptionSuppressExpression;\r |
| 729 | BOOLEAN InScopeDisable;\r |
| 730 | UINT16 DepthOfDisable;\r |
| 731 | BOOLEAN OpCodeDisabled;\r |
| 732 | BOOLEAN SingleOpCodeExpression;\r |
| 733 | BOOLEAN InScopeDefault;\r |
| 734 | EFI_HII_VALUE *Value;\r |
| 735 | \r |
| 736 | mInScopeSubtitle = FALSE;\r |
| 737 | SuppressForOption = FALSE;\r |
| 738 | mInScopeSuppress = FALSE;\r |
| 739 | InScopeOptionSuppress = FALSE;\r |
| 740 | mInScopeGrayOut = FALSE;\r |
| 741 | InScopeDisable = FALSE;\r |
| 742 | DepthOfDisable = 0;\r |
| 743 | OpCodeDisabled = FALSE;\r |
| 744 | SingleOpCodeExpression = FALSE;\r |
| 745 | InScopeDefault = FALSE;\r |
| 746 | CurrentExpression = NULL;\r |
| 747 | CurrentDefault = NULL;\r |
| 748 | CurrentOption = NULL;\r |
| 749 | OptionSuppressExpression = NULL;\r |
| 750 | \r |
| 751 | //\r |
| 752 | // Get the number of Statements and Expressions\r |
| 753 | //\r |
| 754 | CountOpCodes (FormSet, &NumberOfStatement, &NumberOfExpression);\r |
| 755 | \r |
| 756 | mStatementIndex = 0;\r |
| 757 | FormSet->StatementBuffer = AllocateZeroPool (NumberOfStatement * sizeof (FORM_BROWSER_STATEMENT));\r |
| 758 | if (FormSet->StatementBuffer == NULL) {\r |
| 759 | return EFI_OUT_OF_RESOURCES;\r |
| 760 | }\r |
| 761 | \r |
| 762 | mExpressionOpCodeIndex = 0;\r |
| 763 | FormSet->ExpressionBuffer = AllocateZeroPool (NumberOfExpression * sizeof (EXPRESSION_OPCODE));\r |
| 764 | if (FormSet->ExpressionBuffer == NULL) {\r |
| 765 | return EFI_OUT_OF_RESOURCES;\r |
| 766 | }\r |
| 767 | \r |
| 768 | InitializeListHead (&FormSet->StorageListHead);\r |
| 769 | InitializeListHead (&FormSet->DefaultStoreListHead);\r |
| 770 | InitializeListHead (&FormSet->FormListHead);\r |
| 771 | \r |
| 772 | CurrentForm = NULL;\r |
| 773 | CurrentStatement = NULL;\r |
| 774 | \r |
| 775 | ResetScopeStack ();\r |
| 776 | \r |
| 777 | OpCodeOffset = 0;\r |
| 778 | while (OpCodeOffset < FormSet->IfrBinaryLength) {\r |
| 779 | OpCodeData = FormSet->IfrBinaryData + OpCodeOffset;\r |
| 780 | \r |
| 781 | OpCodeLength = ((EFI_IFR_OP_HEADER *) OpCodeData)->Length;\r |
| 782 | OpCodeOffset += OpCodeLength;\r |
| 783 | Operand = ((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode;\r |
| 784 | Scope = ((EFI_IFR_OP_HEADER *) OpCodeData)->Scope;\r |
| 785 | \r |
| 786 | //\r |
| 787 | // If scope bit set, push onto scope stack\r |
| 788 | //\r |
| 789 | if (Scope) {\r |
| 790 | PushScope (Operand);\r |
| 791 | }\r |
| 792 | \r |
| 793 | if (OpCodeDisabled) {\r |
| 794 | //\r |
| 795 | // DisableIf Expression is evaluated to be TRUE, try to find its end.\r |
| 796 | // Here only cares the EFI_IFR_DISABLE_IF and EFI_IFR_END\r |
| 797 | //\r |
| 798 | if (Operand == EFI_IFR_DISABLE_IF_OP) {\r |
| 799 | DepthOfDisable++;\r |
| 800 | } else if (Operand == EFI_IFR_END_OP) {\r |
| 801 | Status = PopScope (&ScopeOpCode);\r |
| 802 | if (EFI_ERROR (Status)) {\r |
| 803 | return Status;\r |
| 804 | }\r |
| 805 | \r |
| 806 | if (ScopeOpCode == EFI_IFR_DISABLE_IF_OP) {\r |
| 807 | if (DepthOfDisable == 0) {\r |
| 808 | InScopeDisable = FALSE;\r |
| 809 | OpCodeDisabled = FALSE;\r |
| 810 | } else {\r |
| 811 | DepthOfDisable--;\r |
| 812 | }\r |
| 813 | }\r |
| 814 | }\r |
| 815 | continue;\r |
| 816 | }\r |
| 817 | \r |
| 818 | if (IsExpressionOpCode (Operand)) {\r |
| 819 | ExpressionOpCode = &FormSet->ExpressionBuffer[mExpressionOpCodeIndex];\r |
| 820 | mExpressionOpCodeIndex++;\r |
| 821 | \r |
| 822 | ExpressionOpCode->Signature = EXPRESSION_OPCODE_SIGNATURE;\r |
| 823 | ExpressionOpCode->Operand = Operand;\r |
| 824 | Value = &ExpressionOpCode->Value;\r |
| 825 | \r |
| 826 | switch (Operand) {\r |
| 827 | case EFI_IFR_EQ_ID_VAL_OP:\r |
| 828 | CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_VAL *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));\r |
| 829 | \r |
| 830 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_16;\r |
| 831 | CopyMem (&Value->Value.u16, &((EFI_IFR_EQ_ID_VAL *) OpCodeData)->Value, sizeof (UINT16));\r |
| 832 | break;\r |
| 833 | \r |
| 834 | case EFI_IFR_EQ_ID_ID_OP:\r |
| 835 | CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_ID *) OpCodeData)->QuestionId1, sizeof (EFI_QUESTION_ID));\r |
| 836 | CopyMem (&ExpressionOpCode->QuestionId2, &((EFI_IFR_EQ_ID_ID *) OpCodeData)->QuestionId2, sizeof (EFI_QUESTION_ID));\r |
| 837 | break;\r |
| 838 | \r |
| 839 | case EFI_IFR_EQ_ID_LIST_OP:\r |
| 840 | CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));\r |
| 841 | CopyMem (&ExpressionOpCode->ListLength, &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->ListLength, sizeof (UINT16));\r |
| 842 | ExpressionOpCode->ValueList = AllocateCopyPool (ExpressionOpCode->ListLength * sizeof (UINT16), &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->ValueList);\r |
| 843 | break;\r |
| 844 | \r |
| 845 | case EFI_IFR_TO_STRING_OP:\r |
| 846 | case EFI_IFR_FIND_OP:\r |
| 847 | ExpressionOpCode->Format = (( EFI_IFR_TO_STRING *) OpCodeData)->Format;\r |
| 848 | break;\r |
| 849 | \r |
| 850 | case EFI_IFR_STRING_REF1_OP:\r |
| 851 | Value->Type = EFI_IFR_TYPE_STRING;\r |
| 852 | CopyMem (&Value->Value.string, &(( EFI_IFR_STRING_REF1 *) OpCodeData)->StringId, sizeof (EFI_STRING_ID));\r |
| 853 | break;\r |
| 854 | \r |
| 855 | case EFI_IFR_RULE_REF_OP:\r |
| 856 | ExpressionOpCode->RuleId = (( EFI_IFR_RULE_REF *) OpCodeData)->RuleId;\r |
| 857 | break;\r |
| 858 | \r |
| 859 | case EFI_IFR_SPAN_OP:\r |
| 860 | ExpressionOpCode->Flags = (( EFI_IFR_SPAN *) OpCodeData)->Flags;\r |
| 861 | break;\r |
| 862 | \r |
| 863 | case EFI_IFR_THIS_OP:\r |
| 864 | ExpressionOpCode->QuestionId = CurrentStatement->QuestionId;\r |
| 865 | break;\r |
| 866 | \r |
| 867 | case EFI_IFR_QUESTION_REF1_OP:\r |
| 868 | CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_LIST *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));\r |
| 869 | break;\r |
| 870 | \r |
| 871 | case EFI_IFR_QUESTION_REF3_OP:\r |
| 872 | if (OpCodeLength >= sizeof (EFI_IFR_QUESTION_REF3_2)) {\r |
| 873 | CopyMem (&ExpressionOpCode->DevicePath, &(( EFI_IFR_QUESTION_REF3_2 *) OpCodeData)->DevicePath, sizeof (EFI_STRING_ID));\r |
| 874 | \r |
| 875 | if (OpCodeLength >= sizeof (EFI_IFR_QUESTION_REF3_3)) {\r |
| 876 | CopyMem (&ExpressionOpCode->Guid, &(( EFI_IFR_QUESTION_REF3_3 *) OpCodeData)->Guid, sizeof (EFI_GUID));\r |
| 877 | }\r |
| 878 | }\r |
| 879 | break;\r |
| 880 | \r |
| 881 | //\r |
| 882 | // constant\r |
| 883 | //\r |
| 884 | case EFI_IFR_TRUE_OP:\r |
| 885 | Value->Type = EFI_IFR_TYPE_BOOLEAN;\r |
| 886 | Value->Value.b = TRUE;\r |
| 887 | break;\r |
| 888 | \r |
| 889 | case EFI_IFR_FALSE_OP:\r |
| 890 | Value->Type = EFI_IFR_TYPE_BOOLEAN;\r |
| 891 | Value->Value.b = FALSE;\r |
| 892 | break;\r |
| 893 | \r |
| 894 | case EFI_IFR_ONE_OP:\r |
| 895 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;\r |
| 896 | Value->Value.u8 = 1;\r |
| 897 | break;\r |
| 898 | \r |
| 899 | case EFI_IFR_ZERO_OP:\r |
| 900 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;\r |
| 901 | Value->Value.u8 = 0;\r |
| 902 | break;\r |
| 903 | \r |
| 904 | case EFI_IFR_ONES_OP:\r |
| 905 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r |
| 906 | Value->Value.u64 = 0xffffffffffffffffULL;\r |
| 907 | break;\r |
| 908 | \r |
| 909 | case EFI_IFR_UINT8_OP:\r |
| 910 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;\r |
| 911 | Value->Value.u8 = (( EFI_IFR_UINT8 *) OpCodeData)->Value;\r |
| 912 | break;\r |
| 913 | \r |
| 914 | case EFI_IFR_UINT16_OP:\r |
| 915 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_16;\r |
| 916 | CopyMem (&Value->Value.u16, &(( EFI_IFR_UINT16 *) OpCodeData)->Value, sizeof (UINT16));\r |
| 917 | break;\r |
| 918 | \r |
| 919 | case EFI_IFR_UINT32_OP:\r |
| 920 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_32;\r |
| 921 | CopyMem (&Value->Value.u32, &(( EFI_IFR_UINT32 *) OpCodeData)->Value, sizeof (UINT32));\r |
| 922 | break;\r |
| 923 | \r |
| 924 | case EFI_IFR_UINT64_OP:\r |
| 925 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r |
| 926 | CopyMem (&Value->Value.u64, &(( EFI_IFR_UINT64 *) OpCodeData)->Value, sizeof (UINT64));\r |
| 927 | break;\r |
| 928 | \r |
| 929 | case EFI_IFR_UNDEFINED_OP:\r |
| 930 | Value->Type = EFI_IFR_TYPE_OTHER;\r |
| 931 | break;\r |
| 932 | \r |
| 933 | case EFI_IFR_VERSION_OP:\r |
| 934 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_16;\r |
| 935 | Value->Value.u16 = EFI_IFR_SPECIFICATION_VERSION;\r |
| 936 | break;\r |
| 937 | \r |
| 938 | default:\r |
| 939 | break;\r |
| 940 | }\r |
| 941 | \r |
| 942 | InsertTailList (&CurrentExpression->OpCodeListHead, &ExpressionOpCode->Link);\r |
| 943 | \r |
| 944 | if (SingleOpCodeExpression) {\r |
| 945 | //\r |
| 946 | // There are two cases to indicate the end of an Expression:\r |
| 947 | // for single OpCode expression: one Expression OpCode\r |
| 948 | // for expression consists of more than one OpCode: EFI_IFR_END\r |
| 949 | //\r |
| 950 | SingleOpCodeExpression = FALSE;\r |
| 951 | \r |
| 952 | if (InScopeDisable) {\r |
| 953 | //\r |
| 954 | // Evaluate DisableIf expression\r |
| 955 | //\r |
| 956 | Status = EvaluateExpression (FormSet, CurrentForm, CurrentExpression);\r |
| 957 | if (EFI_ERROR (Status)) {\r |
| 958 | return Status;\r |
| 959 | }\r |
| 960 | if (CurrentExpression->Result.Type != EFI_IFR_TYPE_BOOLEAN) {\r |
| 961 | return EFI_INVALID_PARAMETER;\r |
| 962 | }\r |
| 963 | \r |
| 964 | OpCodeDisabled = CurrentExpression->Result.Value.b;\r |
| 965 | }\r |
| 966 | \r |
| 967 | CurrentExpression = NULL;\r |
| 968 | }\r |
| 969 | \r |
| 970 | continue;\r |
| 971 | }\r |
| 972 | \r |
| 973 | //\r |
| 974 | // Parse the Opcode\r |
| 975 | //\r |
| 976 | switch (Operand) {\r |
| 977 | \r |
| 978 | case EFI_IFR_FORM_SET_OP:\r |
| 979 | //\r |
| 980 | // check the formset GUID\r |
| 981 | //\r |
| 982 | if (CompareMem (&FormSet->Guid, &((EFI_IFR_FORM_SET *) OpCodeData)->Guid, sizeof (EFI_GUID)) != 0) {\r |
| 983 | return EFI_INVALID_PARAMETER;\r |
| 984 | }\r |
| 985 | \r |
| 986 | CopyMem (&FormSet->FormSetTitle, &((EFI_IFR_FORM_SET *) OpCodeData)->FormSetTitle, sizeof (EFI_STRING_ID));\r |
| 987 | CopyMem (&FormSet->Help, &((EFI_IFR_FORM_SET *) OpCodeData)->Help, sizeof (EFI_STRING_ID));\r |
| 988 | break;\r |
| 989 | \r |
| 990 | case EFI_IFR_FORM_OP:\r |
| 991 | //\r |
| 992 | // Create a new Form for this FormSet\r |
| 993 | //\r |
| 994 | CurrentForm = AllocateZeroPool (sizeof (FORM_BROWSER_FORM));\r |
| 995 | CurrentForm->Signature = FORM_BROWSER_FORM_SIGNATURE;\r |
| 996 | InitializeListHead (&CurrentForm->ExpressionListHead);\r |
| 997 | InitializeListHead (&CurrentForm->StatementListHead);\r |
| 998 | \r |
| 999 | CopyMem (&CurrentForm->FormId, &((EFI_IFR_FORM *) OpCodeData)->FormId, sizeof (UINT16));\r |
| 1000 | CopyMem (&CurrentForm->FormTitle, &((EFI_IFR_FORM *) OpCodeData)->FormTitle, sizeof (EFI_STRING_ID));\r |
| 1001 | \r |
| 1002 | //\r |
| 1003 | // Insert into Form list of this FormSet\r |
| 1004 | //\r |
| 1005 | InsertTailList (&FormSet->FormListHead, &CurrentForm->Link);\r |
| 1006 | break;\r |
| 1007 | \r |
| 1008 | //\r |
| 1009 | // Storage\r |
| 1010 | //\r |
| 1011 | case EFI_IFR_VARSTORE_OP:\r |
| 1012 | //\r |
| 1013 | // Create a buffer Storage for this FormSet\r |
| 1014 | //\r |
| 1015 | Storage = CreateStorage (FormSet);\r |
| 1016 | Storage->Type = EFI_HII_VARSTORE_BUFFER;\r |
| 1017 | \r |
| 1018 | CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID));\r |
| 1019 | CopyMem (&Storage->Guid, &((EFI_IFR_VARSTORE *) OpCodeData)->Guid, sizeof (EFI_GUID));\r |
| 1020 | CopyMem (&Storage->Size, &((EFI_IFR_VARSTORE *) OpCodeData)->Size, sizeof (UINT16));\r |
| 1021 | \r |
| 1022 | Storage->Buffer = AllocateZeroPool (Storage->Size);\r |
| 1023 | Storage->EditBuffer = AllocateZeroPool (Storage->Size);\r |
| 1024 | \r |
| 1025 | AsciiString = (CHAR8 *) ((EFI_IFR_VARSTORE *) OpCodeData)->Name;\r |
| 1026 | Storage->Name = AllocateZeroPool (AsciiStrSize (AsciiString) * 2);\r |
| 1027 | ASSERT (Storage->Name != NULL);\r |
| 1028 | for (Index = 0; AsciiString[Index] != 0; Index++) {\r |
| 1029 | Storage->Name[Index] = (CHAR16) AsciiString[Index];\r |
| 1030 | }\r |
| 1031 | \r |
| 1032 | //\r |
| 1033 | // Initialize <ConfigHdr>\r |
| 1034 | //\r |
| 1035 | InitializeConfigHdr (FormSet, Storage);\r |
| 1036 | break;\r |
| 1037 | \r |
| 1038 | case EFI_IFR_VARSTORE_NAME_VALUE_OP:\r |
| 1039 | //\r |
| 1040 | // Create a name/value Storage for this FormSet\r |
| 1041 | //\r |
| 1042 | Storage = CreateStorage (FormSet);\r |
| 1043 | Storage->Type = EFI_HII_VARSTORE_NAME_VALUE;\r |
| 1044 | \r |
| 1045 | CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE_NAME_VALUE *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID));\r |
| 1046 | CopyMem (&Storage->Guid, &((EFI_IFR_VARSTORE_NAME_VALUE *) OpCodeData)->Guid, sizeof (EFI_GUID));\r |
| 1047 | \r |
| 1048 | //\r |
| 1049 | // Initialize <ConfigHdr>\r |
| 1050 | //\r |
| 1051 | InitializeConfigHdr (FormSet, Storage);\r |
| 1052 | break;\r |
| 1053 | \r |
| 1054 | case EFI_IFR_VARSTORE_EFI_OP:\r |
| 1055 | //\r |
| 1056 | // Create a EFI variable Storage for this FormSet\r |
| 1057 | //\r |
| 1058 | Storage = CreateStorage (FormSet);\r |
| 1059 | Storage->Type = EFI_HII_VARSTORE_EFI_VARIABLE;\r |
| 1060 | \r |
| 1061 | CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID));\r |
| 1062 | CopyMem (&Storage->Guid, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Guid, sizeof (EFI_GUID));\r |
| 1063 | CopyMem (&Storage->Attributes, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Attributes, sizeof (UINT32));\r |
| 1064 | break;\r |
| 1065 | \r |
| 1066 | //\r |
| 1067 | // DefaultStore\r |
| 1068 | //\r |
| 1069 | case EFI_IFR_DEFAULTSTORE_OP:\r |
| 1070 | DefaultStore = AllocateZeroPool (sizeof (FORMSET_DEFAULTSTORE));\r |
| 1071 | DefaultStore->Signature = FORMSET_DEFAULTSTORE_SIGNATURE;\r |
| 1072 | \r |
| 1073 | CopyMem (&DefaultStore->DefaultId, &((EFI_IFR_DEFAULTSTORE *) OpCodeData)->DefaultId, sizeof (UINT16));\r |
| 1074 | CopyMem (&DefaultStore->DefaultName, &((EFI_IFR_DEFAULTSTORE *) OpCodeData)->DefaultName, sizeof (EFI_STRING_ID));\r |
| 1075 | \r |
| 1076 | //\r |
| 1077 | // Insert to DefaultStore list of this Formset\r |
| 1078 | //\r |
| 1079 | InsertTailList (&FormSet->DefaultStoreListHead, &DefaultStore->Link);\r |
| 1080 | break;\r |
| 1081 | \r |
| 1082 | //\r |
| 1083 | // Statements\r |
| 1084 | //\r |
| 1085 | case EFI_IFR_SUBTITLE_OP:\r |
| 1086 | CurrentStatement = CreateStatement (OpCodeData, FormSet, CurrentForm);\r |
| 1087 | CurrentStatement->Flags = ((EFI_IFR_SUBTITLE *) OpCodeData)->Flags;\r |
| 1088 | \r |
| 1089 | if (Scope) {\r |
| 1090 | mInScopeSubtitle = TRUE;\r |
| 1091 | }\r |
| 1092 | break;\r |
| 1093 | \r |
| 1094 | case EFI_IFR_TEXT_OP:\r |
| 1095 | CurrentStatement = CreateStatement (OpCodeData, FormSet, CurrentForm);\r |
| 1096 | \r |
| 1097 | CopyMem (&CurrentStatement->TextTwo, &((EFI_IFR_TEXT *) OpCodeData)->TextTwo, sizeof (EFI_STRING_ID));\r |
| 1098 | break;\r |
| 1099 | \r |
| 1100 | //\r |
| 1101 | // Questions\r |
| 1102 | //\r |
| 1103 | case EFI_IFR_ACTION_OP:\r |
| 1104 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);\r |
| 1105 | \r |
| 1106 | if (OpCodeLength == sizeof (EFI_IFR_ACTION_1)) {\r |
| 1107 | //\r |
| 1108 | // No QuestionConfig present, so no configuration string will be processed\r |
| 1109 | //\r |
| 1110 | CurrentStatement->QuestionConfig = 0;\r |
| 1111 | } else {\r |
| 1112 | CopyMem (&CurrentStatement->QuestionConfig, &((EFI_IFR_ACTION *) OpCodeData)->QuestionConfig, sizeof (EFI_STRING_ID));\r |
| 1113 | }\r |
| 1114 | break;\r |
| 1115 | \r |
| 1116 | case EFI_IFR_RESET_BUTTON_OP:\r |
| 1117 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);\r |
| 1118 | \r |
| 1119 | CopyMem (&CurrentStatement->DefaultId, &((EFI_IFR_RESET_BUTTON *) OpCodeData)->DefaultId, sizeof (EFI_DEFAULT_ID));\r |
| 1120 | break;\r |
| 1121 | \r |
| 1122 | case EFI_IFR_REF_OP:\r |
| 1123 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);\r |
| 1124 | \r |
| 1125 | CopyMem (&CurrentStatement->RefFormId, &((EFI_IFR_REF *) OpCodeData)->FormId, sizeof (EFI_FORM_ID));\r |
| 1126 | if (OpCodeLength >= sizeof (EFI_IFR_REF2)) {\r |
| 1127 | CopyMem (&CurrentStatement->RefQuestionId, &((EFI_IFR_REF2 *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));\r |
| 1128 | \r |
| 1129 | if (OpCodeLength >= sizeof (EFI_IFR_REF3)) {\r |
| 1130 | CopyMem (&CurrentStatement->RefFormSetId, &((EFI_IFR_REF3 *) OpCodeData)->FormSetId, sizeof (EFI_GUID));\r |
| 1131 | \r |
| 1132 | if (OpCodeLength >= sizeof (EFI_IFR_REF4)) {\r |
| 1133 | CopyMem (&CurrentStatement->RefDevicePath, &((EFI_IFR_REF4 *) OpCodeData)->DevicePath, sizeof (EFI_STRING_ID));\r |
| 1134 | }\r |
| 1135 | }\r |
| 1136 | }\r |
| 1137 | break;\r |
| 1138 | \r |
| 1139 | case EFI_IFR_ONE_OF_OP:\r |
| 1140 | case EFI_IFR_NUMERIC_OP:\r |
| 1141 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);\r |
| 1142 | \r |
| 1143 | CurrentStatement->Flags = ((EFI_IFR_ONE_OF *) OpCodeData)->Flags;\r |
| 1144 | Value = &CurrentStatement->HiiValue;\r |
| 1145 | \r |
| 1146 | switch (CurrentStatement->Flags & EFI_IFR_NUMERIC_SIZE) {\r |
| 1147 | case EFI_IFR_NUMERIC_SIZE_1:\r |
| 1148 | CurrentStatement->Minimum = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.MinValue;\r |
| 1149 | CurrentStatement->Maximum = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.MaxValue;\r |
| 1150 | CurrentStatement->Step = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.Step;\r |
| 1151 | CurrentStatement->StorageWidth = sizeof (UINT8);\r |
| 1152 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;\r |
| 1153 | break;\r |
| 1154 | \r |
| 1155 | case EFI_IFR_NUMERIC_SIZE_2:\r |
| 1156 | CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.MinValue, sizeof (UINT16));\r |
| 1157 | CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.MaxValue, sizeof (UINT16));\r |
| 1158 | CopyMem (&CurrentStatement->Step, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.Step, sizeof (UINT16));\r |
| 1159 | CurrentStatement->StorageWidth = sizeof (UINT16);\r |
| 1160 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_16;\r |
| 1161 | break;\r |
| 1162 | \r |
| 1163 | case EFI_IFR_NUMERIC_SIZE_4:\r |
| 1164 | CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.MinValue, sizeof (UINT32));\r |
| 1165 | CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.MaxValue, sizeof (UINT32));\r |
| 1166 | CopyMem (&CurrentStatement->Step, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.Step, sizeof (UINT32));\r |
| 1167 | CurrentStatement->StorageWidth = sizeof (UINT32);\r |
| 1168 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_32;\r |
| 1169 | break;\r |
| 1170 | \r |
| 1171 | case EFI_IFR_NUMERIC_SIZE_8:\r |
| 1172 | CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.MinValue, sizeof (UINT64));\r |
| 1173 | CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.MaxValue, sizeof (UINT64));\r |
| 1174 | CopyMem (&CurrentStatement->Step, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.Step, sizeof (UINT64));\r |
| 1175 | CurrentStatement->StorageWidth = sizeof (UINT64);\r |
| 1176 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r |
| 1177 | break;\r |
| 1178 | \r |
| 1179 | default:\r |
| 1180 | break;\r |
| 1181 | }\r |
| 1182 | \r |
| 1183 | InitializeRequestElement (FormSet, CurrentStatement);\r |
| 1184 | \r |
| 1185 | if ((Operand == EFI_IFR_ONE_OF_OP) && Scope) {\r |
| 1186 | SuppressForOption = TRUE;\r |
| 1187 | }\r |
| 1188 | break;\r |
| 1189 | \r |
| 1190 | case EFI_IFR_ORDERED_LIST_OP:\r |
| 1191 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);\r |
| 1192 | \r |
| 1193 | CurrentStatement->Flags = ((EFI_IFR_ORDERED_LIST *) OpCodeData)->Flags;\r |
| 1194 | CurrentStatement->MaxContainers = ((EFI_IFR_ORDERED_LIST *) OpCodeData)->MaxContainers;\r |
| 1195 | CurrentStatement->StorageWidth = (UINT16)(CurrentStatement->MaxContainers * sizeof (UINT8));\r |
| 1196 | InitializeRequestElement (FormSet, CurrentStatement);\r |
| 1197 | \r |
| 1198 | //\r |
| 1199 | // No buffer type is defined in EFI_IFR_TYPE_VALUE, so a Configuration Driver\r |
| 1200 | // has to use FormBrowser2.Callback() to retrieve the uncommited data for\r |
| 1201 | // an interactive orderedlist (i.e. with EFI_IFR_FLAG_CALLBACK flag set).\r |
| 1202 | //\r |
| 1203 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_OTHER;\r |
| 1204 | CurrentStatement->BufferValue = AllocateZeroPool (CurrentStatement->StorageWidth);\r |
| 1205 | \r |
| 1206 | if (Scope) {\r |
| 1207 | SuppressForOption = TRUE;\r |
| 1208 | }\r |
| 1209 | break;\r |
| 1210 | \r |
| 1211 | case EFI_IFR_CHECKBOX_OP:\r |
| 1212 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);\r |
| 1213 | \r |
| 1214 | CurrentStatement->Flags = ((EFI_IFR_CHECKBOX *) OpCodeData)->Flags;\r |
| 1215 | CurrentStatement->StorageWidth = sizeof (BOOLEAN);\r |
| 1216 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_BOOLEAN;\r |
| 1217 | \r |
| 1218 | InitializeRequestElement (FormSet, CurrentStatement);\r |
| 1219 | break;\r |
| 1220 | \r |
| 1221 | case EFI_IFR_STRING_OP:\r |
| 1222 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);\r |
| 1223 | \r |
| 1224 | //\r |
| 1225 | // MinSize is the minimum number of characters that can be accepted for this opcode,\r |
| 1226 | // MaxSize is the maximum number of characters that can be accepted for this opcode.\r |
| 1227 | // The characters are stored as Unicode, so the storage width should multiply 2.\r |
| 1228 | //\r |
| 1229 | CurrentStatement->Minimum = ((EFI_IFR_STRING *) OpCodeData)->MinSize;\r |
| 1230 | CurrentStatement->Maximum = ((EFI_IFR_STRING *) OpCodeData)->MaxSize;\r |
| 1231 | CurrentStatement->StorageWidth = (UINT16)((UINTN) CurrentStatement->Maximum * sizeof (UINT16));\r |
| 1232 | CurrentStatement->Flags = ((EFI_IFR_STRING *) OpCodeData)->Flags;\r |
| 1233 | \r |
| 1234 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_STRING;\r |
| 1235 | CurrentStatement->BufferValue = AllocateZeroPool (CurrentStatement->StorageWidth);\r |
| 1236 | \r |
| 1237 | InitializeRequestElement (FormSet, CurrentStatement);\r |
| 1238 | break;\r |
| 1239 | \r |
| 1240 | case EFI_IFR_PASSWORD_OP:\r |
| 1241 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);\r |
| 1242 | \r |
| 1243 | //\r |
| 1244 | // MinSize is the minimum number of characters that can be accepted for this opcode,\r |
| 1245 | // MaxSize is the maximum number of characters that can be accepted for this opcode.\r |
| 1246 | // The characters are stored as Unicode, so the storage width should multiply 2.\r |
| 1247 | //\r |
| 1248 | CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_PASSWORD *) OpCodeData)->MinSize, sizeof (UINT16));\r |
| 1249 | CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_PASSWORD *) OpCodeData)->MaxSize, sizeof (UINT16));\r |
| 1250 | CurrentStatement->StorageWidth = (UINT16)((UINTN) CurrentStatement->Maximum * sizeof (UINT16));\r |
| 1251 | \r |
| 1252 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_STRING;\r |
| 1253 | CurrentStatement->BufferValue = AllocateZeroPool (CurrentStatement->StorageWidth);\r |
| 1254 | \r |
| 1255 | InitializeRequestElement (FormSet, CurrentStatement);\r |
| 1256 | break;\r |
| 1257 | \r |
| 1258 | case EFI_IFR_DATE_OP:\r |
| 1259 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);\r |
| 1260 | \r |
| 1261 | CurrentStatement->Flags = ((EFI_IFR_DATE *) OpCodeData)->Flags;\r |
| 1262 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_DATE;\r |
| 1263 | \r |
| 1264 | if ((CurrentStatement->Flags & EFI_QF_DATE_STORAGE) == QF_DATE_STORAGE_NORMAL) {\r |
| 1265 | CurrentStatement->StorageWidth = sizeof (EFI_HII_DATE);\r |
| 1266 | \r |
| 1267 | InitializeRequestElement (FormSet, CurrentStatement);\r |
| 1268 | } else {\r |
| 1269 | //\r |
| 1270 | // Don't assign storage for RTC type of date/time\r |
| 1271 | //\r |
| 1272 | CurrentStatement->Storage = NULL;\r |
| 1273 | CurrentStatement->StorageWidth = 0;\r |
| 1274 | }\r |
| 1275 | break;\r |
| 1276 | \r |
| 1277 | case EFI_IFR_TIME_OP:\r |
| 1278 | CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);\r |
| 1279 | \r |
| 1280 | CurrentStatement->Flags = ((EFI_IFR_TIME *) OpCodeData)->Flags;\r |
| 1281 | CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_TIME;\r |
| 1282 | \r |
| 1283 | if ((CurrentStatement->Flags & QF_TIME_STORAGE) == QF_TIME_STORAGE_NORMAL) {\r |
| 1284 | CurrentStatement->StorageWidth = sizeof (EFI_IFR_TIME);\r |
| 1285 | \r |
| 1286 | InitializeRequestElement (FormSet, CurrentStatement);\r |
| 1287 | } else {\r |
| 1288 | //\r |
| 1289 | // Don't assign storage for RTC type of date/time\r |
| 1290 | //\r |
| 1291 | CurrentStatement->Storage = NULL;\r |
| 1292 | CurrentStatement->StorageWidth = 0;\r |
| 1293 | }\r |
| 1294 | break;\r |
| 1295 | \r |
| 1296 | //\r |
| 1297 | // Default\r |
| 1298 | //\r |
| 1299 | case EFI_IFR_DEFAULT_OP:\r |
| 1300 | //\r |
| 1301 | // EFI_IFR_DEFAULT appear in scope of a Question,\r |
| 1302 | // It creates a default value for the current question.\r |
| 1303 | // A Question may have more than one Default value which have different default types.\r |
| 1304 | //\r |
| 1305 | CurrentDefault = AllocateZeroPool (sizeof (QUESTION_DEFAULT));\r |
| 1306 | CurrentDefault->Signature = QUESTION_DEFAULT_SIGNATURE;\r |
| 1307 | \r |
| 1308 | CurrentDefault->Value.Type = ((EFI_IFR_DEFAULT *) OpCodeData)->Type;\r |
| 1309 | CopyMem (&CurrentDefault->DefaultId, &((EFI_IFR_DEFAULT *) OpCodeData)->DefaultId, sizeof (UINT16));\r |
| 1310 | CopyMem (&CurrentDefault->Value.Value, &((EFI_IFR_DEFAULT *) OpCodeData)->Value, sizeof (EFI_IFR_TYPE_VALUE));\r |
| 1311 | ExtendValueToU64 (&CurrentDefault->Value);\r |
| 1312 | \r |
| 1313 | //\r |
| 1314 | // Insert to Default Value list of current Question\r |
| 1315 | //\r |
| 1316 | InsertTailList (&CurrentStatement->DefaultListHead, &CurrentDefault->Link);\r |
| 1317 | \r |
| 1318 | if (Scope) {\r |
| 1319 | InScopeDefault = TRUE;\r |
| 1320 | }\r |
| 1321 | break;\r |
| 1322 | \r |
| 1323 | //\r |
| 1324 | // Option\r |
| 1325 | //\r |
| 1326 | case EFI_IFR_ONE_OF_OPTION_OP:\r |
| 1327 | //\r |
| 1328 | // EFI_IFR_ONE_OF_OPTION appear in scope of a Question.\r |
| 1329 | // It create a selection for use in current Question.\r |
| 1330 | //\r |
| 1331 | CurrentOption = AllocateZeroPool (sizeof (QUESTION_OPTION));\r |
| 1332 | CurrentOption->Signature = QUESTION_OPTION_SIGNATURE;\r |
| 1333 | \r |
| 1334 | CurrentOption->Flags = ((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Flags;\r |
| 1335 | CurrentOption->Value.Type = ((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Type;\r |
| 1336 | CopyMem (&CurrentOption->Text, &((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Option, sizeof (EFI_STRING_ID));\r |
| 1337 | CopyMem (&CurrentOption->Value.Value, &((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Value, sizeof (EFI_IFR_TYPE_VALUE));\r |
| 1338 | ExtendValueToU64 (&CurrentOption->Value);\r |
| 1339 | \r |
| 1340 | if (InScopeOptionSuppress) {\r |
| 1341 | CurrentOption->SuppressExpression = OptionSuppressExpression;\r |
| 1342 | }\r |
| 1343 | \r |
| 1344 | //\r |
| 1345 | // Insert to Option list of current Question\r |
| 1346 | //\r |
| 1347 | InsertTailList (&CurrentStatement->OptionListHead, &CurrentOption->Link);\r |
| 1348 | break;\r |
| 1349 | \r |
| 1350 | //\r |
| 1351 | // Conditional\r |
| 1352 | //\r |
| 1353 | case EFI_IFR_NO_SUBMIT_IF_OP:\r |
| 1354 | case EFI_IFR_INCONSISTENT_IF_OP:\r |
| 1355 | //\r |
| 1356 | // Create an Expression node\r |
| 1357 | //\r |
| 1358 | CurrentExpression = CreateExpression (CurrentForm);\r |
| 1359 | CopyMem (&CurrentExpression->Error, &((EFI_IFR_INCONSISTENT_IF *) OpCodeData)->Error, sizeof (EFI_STRING_ID));\r |
| 1360 | \r |
| 1361 | if (Operand == EFI_IFR_NO_SUBMIT_IF_OP) {\r |
| 1362 | CurrentExpression->Type = EFI_HII_EXPRESSION_NO_SUBMIT_IF;\r |
| 1363 | InsertTailList (&CurrentStatement->NoSubmitListHead, &CurrentExpression->Link);\r |
| 1364 | } else {\r |
| 1365 | CurrentExpression->Type = EFI_HII_EXPRESSION_INCONSISTENT_IF;\r |
| 1366 | InsertTailList (&CurrentStatement->InconsistentListHead, &CurrentExpression->Link);\r |
| 1367 | }\r |
| 1368 | break;\r |
| 1369 | \r |
| 1370 | case EFI_IFR_SUPPRESS_IF_OP:\r |
| 1371 | //\r |
| 1372 | // Question and Option will appear in scope of this OpCode\r |
| 1373 | //\r |
| 1374 | CurrentExpression = CreateExpression (CurrentForm);\r |
| 1375 | CurrentExpression->Type = EFI_HII_EXPRESSION_SUPPRESS_IF;\r |
| 1376 | InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);\r |
| 1377 | \r |
| 1378 | if (SuppressForOption) {\r |
| 1379 | InScopeOptionSuppress = TRUE;\r |
| 1380 | OptionSuppressExpression = CurrentExpression;\r |
| 1381 | } else {\r |
| 1382 | mInScopeSuppress = TRUE;\r |
| 1383 | mSuppressExpression = CurrentExpression;\r |
| 1384 | }\r |
| 1385 | break;\r |
| 1386 | \r |
| 1387 | case EFI_IFR_GRAY_OUT_IF_OP:\r |
| 1388 | //\r |
| 1389 | // Questions will appear in scope of this OpCode\r |
| 1390 | //\r |
| 1391 | CurrentExpression = CreateExpression (CurrentForm);\r |
| 1392 | CurrentExpression->Type = EFI_HII_EXPRESSION_GRAY_OUT_IF;\r |
| 1393 | InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);\r |
| 1394 | \r |
| 1395 | mInScopeGrayOut = TRUE;\r |
| 1396 | mGrayOutExpression = CurrentExpression;\r |
| 1397 | break;\r |
| 1398 | \r |
| 1399 | case EFI_IFR_DISABLE_IF_OP:\r |
| 1400 | //\r |
| 1401 | // The DisableIf expression should only rely on constant, so it could be\r |
| 1402 | // evaluated at initialization and it will not be queued\r |
| 1403 | //\r |
| 1404 | CurrentExpression = AllocateZeroPool (sizeof (FORM_EXPRESSION));\r |
| 1405 | CurrentExpression->Signature = FORM_EXPRESSION_SIGNATURE;\r |
| 1406 | CurrentExpression->Type = EFI_HII_EXPRESSION_DISABLE_IF;\r |
| 1407 | InitializeListHead (&CurrentExpression->OpCodeListHead);\r |
| 1408 | \r |
| 1409 | InScopeDisable = TRUE;\r |
| 1410 | OpCodeDisabled = FALSE;\r |
| 1411 | \r |
| 1412 | //\r |
| 1413 | // Take a look at next OpCode to see whether current expression consists\r |
| 1414 | // of single OpCode\r |
| 1415 | //\r |
| 1416 | if (((EFI_IFR_OP_HEADER *) (OpCodeData + OpCodeLength))->Scope == 0) {\r |
| 1417 | SingleOpCodeExpression = TRUE;\r |
| 1418 | }\r |
| 1419 | break;\r |
| 1420 | \r |
| 1421 | //\r |
| 1422 | // Expression\r |
| 1423 | //\r |
| 1424 | case EFI_IFR_VALUE_OP:\r |
| 1425 | CurrentExpression = CreateExpression (CurrentForm);\r |
| 1426 | CurrentExpression->Type = EFI_HII_EXPRESSION_VALUE;\r |
| 1427 | InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);\r |
| 1428 | \r |
| 1429 | if (InScopeDefault) {\r |
| 1430 | //\r |
| 1431 | // Used for default (EFI_IFR_DEFAULT)\r |
| 1432 | //\r |
| 1433 | CurrentDefault->ValueExpression = CurrentExpression;\r |
| 1434 | } else {\r |
| 1435 | //\r |
| 1436 | // If used for a question, then the question will be read-only\r |
| 1437 | //\r |
| 1438 | CurrentStatement->ValueExpression = CurrentExpression;\r |
| 1439 | }\r |
| 1440 | break;\r |
| 1441 | \r |
| 1442 | case EFI_IFR_RULE_OP:\r |
| 1443 | CurrentExpression = CreateExpression (CurrentForm);\r |
| 1444 | CurrentExpression->Type = EFI_HII_EXPRESSION_RULE;\r |
| 1445 | \r |
| 1446 | CurrentExpression->RuleId = ((EFI_IFR_RULE *) OpCodeData)->RuleId;\r |
| 1447 | InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);\r |
| 1448 | break;\r |
| 1449 | \r |
| 1450 | //\r |
| 1451 | // Image\r |
| 1452 | //\r |
| 1453 | case EFI_IFR_IMAGE_OP:\r |
| 1454 | //\r |
| 1455 | // Get ScopeOpcode from top of stack\r |
| 1456 | //\r |
| 1457 | PopScope (&ScopeOpCode);\r |
| 1458 | PushScope (ScopeOpCode);\r |
| 1459 | \r |
| 1460 | switch (ScopeOpCode) {\r |
| 1461 | case EFI_IFR_FORM_SET_OP:\r |
| 1462 | ImageId = &FormSet->ImageId;\r |
| 1463 | break;\r |
| 1464 | \r |
| 1465 | case EFI_IFR_FORM_OP:\r |
| 1466 | ImageId = &CurrentForm->ImageId;\r |
| 1467 | break;\r |
| 1468 | \r |
| 1469 | case EFI_IFR_ONE_OF_OPTION_OP:\r |
| 1470 | ImageId = &CurrentOption->ImageId;\r |
| 1471 | break;\r |
| 1472 | \r |
| 1473 | default:\r |
| 1474 | ImageId = &CurrentStatement->ImageId;\r |
| 1475 | break;\r |
| 1476 | }\r |
| 1477 | \r |
| 1478 | CopyMem (ImageId, &((EFI_IFR_IMAGE *) OpCodeData)->Id, sizeof (EFI_IMAGE_ID));\r |
| 1479 | break;\r |
| 1480 | \r |
| 1481 | //\r |
| 1482 | // Refresh\r |
| 1483 | //\r |
| 1484 | case EFI_IFR_REFRESH_OP:\r |
| 1485 | CurrentStatement->RefreshInterval = ((EFI_IFR_REFRESH *) OpCodeData)->RefreshInterval;\r |
| 1486 | break;\r |
| 1487 | \r |
| 1488 | //\r |
| 1489 | // Vendor specific\r |
| 1490 | //\r |
| 1491 | case EFI_IFR_GUID_OP:\r |
| 1492 | if (CompareGuid (&gTianoHiiIfrGuid, (EFI_GUID *)(OpCodeData + sizeof (EFI_IFR_OP_HEADER)))) {\r |
| 1493 | //\r |
| 1494 | // Tiano specific GUIDed opcodes\r |
| 1495 | //\r |
| 1496 | switch (((EFI_IFR_GUID_LABEL *) OpCodeData)->ExtendOpCode) {\r |
| 1497 | case EFI_IFR_EXTEND_OP_LABEL:\r |
| 1498 | //\r |
| 1499 | // just ignore label\r |
| 1500 | //\r |
| 1501 | break;\r |
| 1502 | \r |
| 1503 | #if 0\r |
| 1504 | case EFI_IFR_EXTEND_OP_BANNER:\r |
| 1505 | if (FormSet->SubClass == EFI_FRONT_PAGE_SUBCLASS) {\r |
| 1506 | CopyMem (\r |
| 1507 | &BannerData->Banner[((EFI_IFR_GUID_BANNER *) OpCodeData)->LineNumber][\r |
| 1508 | ((EFI_IFR_GUID_BANNER *) OpCodeData)->Alignment],\r |
| 1509 | &((EFI_IFR_GUID_BANNER *) OpCodeData)->Title,\r |
| 1510 | sizeof (EFI_STRING_ID)\r |
| 1511 | );\r |
| 1512 | }\r |
| 1513 | break;\r |
| 1514 | #endif\r |
| 1515 | \r |
| 1516 | case EFI_IFR_EXTEND_OP_CLASS:\r |
| 1517 | CopyMem (&FormSet->Class, &((EFI_IFR_GUID_CLASS *) OpCodeData)->Class, sizeof (UINT16));\r |
| 1518 | break;\r |
| 1519 | \r |
| 1520 | case EFI_IFR_EXTEND_OP_SUBCLASS:\r |
| 1521 | CopyMem (&FormSet->SubClass, &((EFI_IFR_GUID_SUBCLASS *) OpCodeData)->SubClass, sizeof (UINT16));\r |
| 1522 | break;\r |
| 1523 | \r |
| 1524 | default:\r |
| 1525 | break;\r |
| 1526 | }\r |
| 1527 | }\r |
| 1528 | break;\r |
| 1529 | \r |
| 1530 | //\r |
| 1531 | // Scope End\r |
| 1532 | //\r |
| 1533 | case EFI_IFR_END_OP:\r |
| 1534 | Status = PopScope (&ScopeOpCode);\r |
| 1535 | if (EFI_ERROR (Status)) {\r |
| 1536 | ResetScopeStack ();\r |
| 1537 | return Status;\r |
| 1538 | }\r |
| 1539 | \r |
| 1540 | switch (ScopeOpCode) {\r |
| 1541 | case EFI_IFR_FORM_SET_OP:\r |
| 1542 | //\r |
| 1543 | // End of FormSet, update FormSet IFR binary length\r |
| 1544 | // to stop parsing substantial OpCodes\r |
| 1545 | //\r |
| 1546 | FormSet->IfrBinaryLength = OpCodeOffset;\r |
| 1547 | break;\r |
| 1548 | \r |
| 1549 | case EFI_IFR_FORM_OP:\r |
| 1550 | //\r |
| 1551 | // End of Form\r |
| 1552 | //\r |
| 1553 | CurrentForm = NULL;\r |
| 1554 | break;\r |
| 1555 | \r |
| 1556 | case EFI_IFR_ONE_OF_OPTION_OP:\r |
| 1557 | //\r |
| 1558 | // End of Option\r |
| 1559 | //\r |
| 1560 | CurrentOption = NULL;\r |
| 1561 | break;\r |
| 1562 | \r |
| 1563 | case EFI_IFR_SUBTITLE_OP:\r |
| 1564 | mInScopeSubtitle = FALSE;\r |
| 1565 | break;\r |
| 1566 | \r |
| 1567 | case EFI_IFR_NO_SUBMIT_IF_OP:\r |
| 1568 | case EFI_IFR_INCONSISTENT_IF_OP:\r |
| 1569 | //\r |
| 1570 | // Ignore end of EFI_IFR_NO_SUBMIT_IF and EFI_IFR_INCONSISTENT_IF\r |
| 1571 | //\r |
| 1572 | break;\r |
| 1573 | \r |
| 1574 | case EFI_IFR_SUPPRESS_IF_OP:\r |
| 1575 | if (SuppressForOption) {\r |
| 1576 | InScopeOptionSuppress = FALSE;\r |
| 1577 | } else {\r |
| 1578 | mInScopeSuppress = FALSE;\r |
| 1579 | }\r |
| 1580 | break;\r |
| 1581 | \r |
| 1582 | case EFI_IFR_GRAY_OUT_IF_OP:\r |
| 1583 | mInScopeGrayOut = FALSE;\r |
| 1584 | break;\r |
| 1585 | \r |
| 1586 | case EFI_IFR_DISABLE_IF_OP:\r |
| 1587 | InScopeDisable = FALSE;\r |
| 1588 | OpCodeDisabled = FALSE;\r |
| 1589 | break;\r |
| 1590 | \r |
| 1591 | case EFI_IFR_ONE_OF_OP:\r |
| 1592 | case EFI_IFR_ORDERED_LIST_OP:\r |
| 1593 | SuppressForOption = FALSE;\r |
| 1594 | break;\r |
| 1595 | \r |
| 1596 | case EFI_IFR_DEFAULT_OP:\r |
| 1597 | InScopeDefault = FALSE;\r |
| 1598 | break;\r |
| 1599 | \r |
| 1600 | default:\r |
| 1601 | if (IsExpressionOpCode (ScopeOpCode)) {\r |
| 1602 | if (InScopeDisable) {\r |
| 1603 | //\r |
| 1604 | // Evaluate DisableIf expression\r |
| 1605 | //\r |
| 1606 | Status = EvaluateExpression (FormSet, CurrentForm, CurrentExpression);\r |
| 1607 | if (EFI_ERROR (Status)) {\r |
| 1608 | return Status;\r |
| 1609 | }\r |
| 1610 | if (CurrentExpression->Result.Type != EFI_IFR_TYPE_BOOLEAN) {\r |
| 1611 | return EFI_INVALID_PARAMETER;\r |
| 1612 | }\r |
| 1613 | \r |
| 1614 | OpCodeDisabled = CurrentExpression->Result.Value.b;\r |
| 1615 | //\r |
| 1616 | // DisableIf Expression is only used once and not quequed, free it\r |
| 1617 | //\r |
| 1618 | DestroyExpression (CurrentExpression);\r |
| 1619 | }\r |
| 1620 | \r |
| 1621 | //\r |
| 1622 | // End of current Expression\r |
| 1623 | //\r |
| 1624 | CurrentExpression = NULL;\r |
| 1625 | }\r |
| 1626 | break;\r |
| 1627 | }\r |
| 1628 | break;\r |
| 1629 | \r |
| 1630 | default:\r |
| 1631 | break;\r |
| 1632 | }\r |
| 1633 | }\r |
| 1634 | \r |
| 1635 | return EFI_SUCCESS;\r |
| 1636 | }\r |
| 1637 | \r |
| 1638 | \r |
| 1639 | \r |
| 1640 | \r |
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