1 /****************************************************************************** 2 * 3 * Module Name: aslpredef - support for ACPI predefined names 4 * 5 *****************************************************************************/ 6 7 /****************************************************************************** 8 * 9 * 1. Copyright Notice 10 * 11 * Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp. 12 * All rights reserved. 13 * 14 * 2. License 15 * 16 * 2.1. This is your license from Intel Corp. under its intellectual property 17 * rights. You may have additional license terms from the party that provided 18 * you this software, covering your right to use that party's intellectual 19 * property rights. 20 * 21 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 22 * copy of the source code appearing in this file ("Covered Code") an 23 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 24 * base code distributed originally by Intel ("Original Intel Code") to copy, 25 * make derivatives, distribute, use and display any portion of the Covered 26 * Code in any form, with the right to sublicense such rights; and 27 * 28 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 29 * license (with the right to sublicense), under only those claims of Intel 30 * patents that are infringed by the Original Intel Code, to make, use, sell, 31 * offer to sell, and import the Covered Code and derivative works thereof 32 * solely to the minimum extent necessary to exercise the above copyright 33 * license, and in no event shall the patent license extend to any additions 34 * to or modifications of the Original Intel Code. No other license or right 35 * is granted directly or by implication, estoppel or otherwise; 36 * 37 * The above copyright and patent license is granted only if the following 38 * conditions are met: 39 * 40 * 3. Conditions 41 * 42 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 43 * Redistribution of source code of any substantial portion of the Covered 44 * Code or modification with rights to further distribute source must include 45 * the above Copyright Notice, the above License, this list of Conditions, 46 * and the following Disclaimer and Export Compliance provision. In addition, 47 * Licensee must cause all Covered Code to which Licensee contributes to 48 * contain a file documenting the changes Licensee made to create that Covered 49 * Code and the date of any change. Licensee must include in that file the 50 * documentation of any changes made by any predecessor Licensee. Licensee 51 * must include a prominent statement that the modification is derived, 52 * directly or indirectly, from Original Intel Code. 53 * 54 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 55 * Redistribution of source code of any substantial portion of the Covered 56 * Code or modification without rights to further distribute source must 57 * include the following Disclaimer and Export Compliance provision in the 58 * documentation and/or other materials provided with distribution. In 59 * addition, Licensee may not authorize further sublicense of source of any 60 * portion of the Covered Code, and must include terms to the effect that the 61 * license from Licensee to its licensee is limited to the intellectual 62 * property embodied in the software Licensee provides to its licensee, and 63 * not to intellectual property embodied in modifications its licensee may 64 * make. 65 * 66 * 3.3. Redistribution of Executable. Redistribution in executable form of any 67 * substantial portion of the Covered Code or modification must reproduce the 68 * above Copyright Notice, and the following Disclaimer and Export Compliance 69 * provision in the documentation and/or other materials provided with the 70 * distribution. 71 * 72 * 3.4. Intel retains all right, title, and interest in and to the Original 73 * Intel Code. 74 * 75 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 76 * Intel shall be used in advertising or otherwise to promote the sale, use or 77 * other dealings in products derived from or relating to the Covered Code 78 * without prior written authorization from Intel. 79 * 80 * 4. Disclaimer and Export Compliance 81 * 82 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 83 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 84 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 85 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 86 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 87 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 88 * PARTICULAR PURPOSE. 89 * 90 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 91 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 92 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 93 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 94 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 95 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 96 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 97 * LIMITED REMEDY. 98 * 99 * 4.3. Licensee shall not export, either directly or indirectly, any of this 100 * software or system incorporating such software without first obtaining any 101 * required license or other approval from the U. S. Department of Commerce or 102 * any other agency or department of the United States Government. In the 103 * event Licensee exports any such software from the United States or 104 * re-exports any such software from a foreign destination, Licensee shall 105 * ensure that the distribution and export/re-export of the software is in 106 * compliance with all laws, regulations, orders, or other restrictions of the 107 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 108 * any of its subsidiaries will export/re-export any technical data, process, 109 * software, or service, directly or indirectly, to any country for which the 110 * United States government or any agency thereof requires an export license, 111 * other governmental approval, or letter of assurance, without first obtaining 112 * such license, approval or letter. 113 * 114 *****************************************************************************/ 115 116 #define ACPI_CREATE_PREDEFINED_TABLE 117 118 #include <contrib/dev/acpica/compiler/aslcompiler.h> 119 #include "aslcompiler.y.h" 120 #include <contrib/dev/acpica/include/amlcode.h> 121 #include <contrib/dev/acpica/include/acparser.h> 122 #include <contrib/dev/acpica/include/acpredef.h> 123 124 125 #define _COMPONENT ACPI_COMPILER 126 ACPI_MODULE_NAME ("aslpredef") 127 128 129 /* Local prototypes */ 130 131 static UINT32 132 ApCheckForSpecialName ( 133 ACPI_PARSE_OBJECT *Op, 134 char *Name); 135 136 static void 137 ApCheckObjectType ( 138 ACPI_PARSE_OBJECT *Op, 139 UINT32 ExpectedBtypes); 140 141 static void 142 ApGetExpectedTypes ( 143 char *Buffer, 144 UINT32 ExpectedBtypes); 145 146 147 /* 148 * Names for the types that can be returned by the predefined objects. 149 * Used for warning messages. Must be in the same order as the ACPI_RTYPEs 150 */ 151 static const char *AcpiRtypeNames[] = 152 { 153 "/Integer", 154 "/String", 155 "/Buffer", 156 "/Package", 157 "/Reference", 158 }; 159 160 /* 161 * Predefined names for use in Resource Descriptors. These names do not 162 * appear in the global Predefined Name table (since these names never 163 * appear in actual AML byte code, only in the original ASL) 164 */ 165 static const ACPI_PREDEFINED_INFO ResourceNames[] = { 166 {{"_ALN", 0, 0}}, 167 {{"_ASI", 0, 0}}, 168 {{"_ASZ", 0, 0}}, 169 {{"_ATT", 0, 0}}, 170 {{"_BAS", 0, 0}}, 171 {{"_BM_", 0, 0}}, 172 {{"_DEC", 0, 0}}, 173 {{"_GRA", 0, 0}}, 174 {{"_HE_", 0, 0}}, 175 {{"_INT", 0, 0}}, 176 {{"_LEN", 0, 0}}, 177 {{"_LL_", 0, 0}}, 178 {{"_MAF", 0, 0}}, 179 {{"_MAX", 0, 0}}, 180 {{"_MEM", 0, 0}}, 181 {{"_MIF", 0, 0}}, 182 {{"_MIN", 0, 0}}, 183 {{"_MTP", 0, 0}}, 184 {{"_RBO", 0, 0}}, 185 {{"_RBW", 0, 0}}, 186 {{"_RNG", 0, 0}}, 187 {{"_RT_", 0, 0}}, /* Acpi 3.0 */ 188 {{"_RW_", 0, 0}}, 189 {{"_SHR", 0, 0}}, 190 {{"_SIZ", 0, 0}}, 191 {{"_TRA", 0, 0}}, 192 {{"_TRS", 0, 0}}, 193 {{"_TSF", 0, 0}}, /* Acpi 3.0 */ 194 {{"_TTP", 0, 0}}, 195 {{"_TYP", 0, 0}}, 196 {{{0,0,0,0}, 0, 0}} /* Table terminator */ 197 }; 198 199 static const ACPI_PREDEFINED_INFO ScopeNames[] = { 200 {{"_SB_", 0, 0}}, 201 {{"_SI_", 0, 0}}, 202 {{"_TZ_", 0, 0}}, 203 {{{0,0,0,0}, 0, 0}} /* Table terminator */ 204 }; 205 206 207 /******************************************************************************* 208 * 209 * FUNCTION: ApCheckForPredefinedMethod 210 * 211 * PARAMETERS: Op - A parse node of type "METHOD". 212 * MethodInfo - Saved info about this method 213 * 214 * RETURN: None 215 * 216 * DESCRIPTION: If method is a predefined name, check that the number of 217 * arguments and the return type (returns a value or not) 218 * is correct. 219 * 220 ******************************************************************************/ 221 222 void 223 ApCheckForPredefinedMethod ( 224 ACPI_PARSE_OBJECT *Op, 225 ASL_METHOD_INFO *MethodInfo) 226 { 227 UINT32 Index; 228 UINT32 RequiredArgsCurrent; 229 UINT32 RequiredArgsOld; 230 231 232 /* Check for a match against the predefined name list */ 233 234 Index = ApCheckForPredefinedName (Op, Op->Asl.NameSeg); 235 236 switch (Index) 237 { 238 case ACPI_NOT_RESERVED_NAME: /* No underscore or _Txx or _xxx name not matched */ 239 case ACPI_PREDEFINED_NAME: /* Resource Name or reserved scope name */ 240 case ACPI_COMPILER_RESERVED_NAME: /* A _Txx that was not emitted by compiler */ 241 242 /* Just return, nothing to do */ 243 break; 244 245 246 case ACPI_EVENT_RESERVED_NAME: /* _Lxx/_Exx/_Wxx/_Qxx methods */ 247 248 Gbl_ReservedMethods++; 249 250 /* NumArguments must be zero for all _Lxx/_Exx/_Wxx/_Qxx methods */ 251 252 if (MethodInfo->NumArguments != 0) 253 { 254 sprintf (MsgBuffer, "%s requires %u", Op->Asl.ExternalName, 0); 255 256 AslError (ASL_WARNING, ASL_MSG_RESERVED_ARG_COUNT_HI, Op, 257 MsgBuffer); 258 } 259 break; 260 261 262 default: 263 /* 264 * Matched a predefined method name 265 * 266 * Validate the ASL-defined argument count. Allow two different legal 267 * arg counts. 268 */ 269 Gbl_ReservedMethods++; 270 271 RequiredArgsCurrent = PredefinedNames[Index].Info.ParamCount & 0x0F; 272 RequiredArgsOld = PredefinedNames[Index].Info.ParamCount >> 4; 273 274 if ((MethodInfo->NumArguments != RequiredArgsCurrent) && 275 (MethodInfo->NumArguments != RequiredArgsOld)) 276 { 277 sprintf (MsgBuffer, "%4.4s requires %u", 278 PredefinedNames[Index].Info.Name, RequiredArgsCurrent); 279 280 if (MethodInfo->NumArguments > RequiredArgsCurrent) 281 { 282 AslError (ASL_WARNING, ASL_MSG_RESERVED_ARG_COUNT_HI, Op, 283 MsgBuffer); 284 } 285 else 286 { 287 AslError (ASL_WARNING, ASL_MSG_RESERVED_ARG_COUNT_LO, Op, 288 MsgBuffer); 289 } 290 } 291 292 /* 293 * Check if method returns no value, but the predefined name is 294 * required to return a value 295 */ 296 if (MethodInfo->NumReturnNoValue && 297 PredefinedNames[Index].Info.ExpectedBtypes) 298 { 299 ApGetExpectedTypes (StringBuffer, 300 PredefinedNames[Index].Info.ExpectedBtypes); 301 302 sprintf (MsgBuffer, "%s required for %4.4s", 303 StringBuffer, PredefinedNames[Index].Info.Name); 304 305 AslError (ASL_WARNING, ASL_MSG_RESERVED_RETURN_VALUE, Op, 306 MsgBuffer); 307 } 308 break; 309 } 310 } 311 312 313 /******************************************************************************* 314 * 315 * FUNCTION: ApCheckPredefinedReturnValue 316 * 317 * PARAMETERS: Op - A parse node of type "RETURN". 318 * MethodInfo - Saved info about this method 319 * 320 * RETURN: None 321 * 322 * DESCRIPTION: If method is a predefined name, attempt to validate the return 323 * value. Only "static" types can be validated - a simple return 324 * of an integer/string/buffer/package or a named reference to 325 * a static object. Values such as a Localx or Argx or a control 326 * method invocation are not checked. 327 * 328 ******************************************************************************/ 329 330 void 331 ApCheckPredefinedReturnValue ( 332 ACPI_PARSE_OBJECT *Op, 333 ASL_METHOD_INFO *MethodInfo) 334 { 335 UINT32 Index; 336 ACPI_PARSE_OBJECT *ReturnValueOp; 337 338 339 /* Check parent method for a match against the predefined name list */ 340 341 Index = ApCheckForPredefinedName (MethodInfo->Op, 342 MethodInfo->Op->Asl.NameSeg); 343 344 switch (Index) 345 { 346 case ACPI_NOT_RESERVED_NAME: /* No underscore or _Txx or _xxx name not matched */ 347 case ACPI_PREDEFINED_NAME: /* Resource Name or reserved scope name */ 348 case ACPI_COMPILER_RESERVED_NAME: /* A _Txx that was not emitted by compiler */ 349 case ACPI_EVENT_RESERVED_NAME: /* _Lxx/_Exx/_Wxx/_Qxx methods */ 350 351 /* Just return, nothing to do */ 352 return; 353 354 default: /* A standard predefined ACPI name */ 355 356 /* Exit if no return value expected */ 357 358 if (!PredefinedNames[Index].Info.ExpectedBtypes) 359 { 360 return; 361 } 362 363 /* Get the object returned, it is the next argument */ 364 365 ReturnValueOp = Op->Asl.Child; 366 switch (ReturnValueOp->Asl.ParseOpcode) 367 { 368 case PARSEOP_ZERO: 369 case PARSEOP_ONE: 370 case PARSEOP_ONES: 371 case PARSEOP_INTEGER: 372 case PARSEOP_STRING_LITERAL: 373 case PARSEOP_BUFFER: 374 case PARSEOP_PACKAGE: 375 376 /* Static data return object - check against expected type */ 377 378 ApCheckObjectType (ReturnValueOp, 379 PredefinedNames[Index].Info.ExpectedBtypes); 380 break; 381 382 default: 383 384 /* 385 * All other ops are very difficult or impossible to typecheck at 386 * compile time. These include all Localx, Argx, and method 387 * invocations. Also, NAMESEG and NAMESTRING because the type of 388 * any named object can be changed at runtime (for example, 389 * CopyObject will change the type of the target object.) 390 */ 391 break; 392 } 393 } 394 } 395 396 397 /******************************************************************************* 398 * 399 * FUNCTION: ApCheckForPredefinedObject 400 * 401 * PARAMETERS: Op - A parse node 402 * Name - The ACPI name to be checked 403 * 404 * RETURN: None 405 * 406 * DESCRIPTION: Check for a predefined name for a static object (created via 407 * the ASL Name operator). If it is a predefined ACPI name, ensure 408 * that the name does not require any arguments (which would 409 * require a control method implemenation of the name), and that 410 * the type of the object is one of the expected types for the 411 * predefined name. 412 * 413 ******************************************************************************/ 414 415 void 416 ApCheckForPredefinedObject ( 417 ACPI_PARSE_OBJECT *Op, 418 char *Name) 419 { 420 UINT32 Index; 421 422 423 /* 424 * Check for a real predefined name -- not a resource descriptor name 425 * or a predefined scope name 426 */ 427 Index = ApCheckForPredefinedName (Op, Name); 428 429 switch (Index) 430 { 431 case ACPI_NOT_RESERVED_NAME: /* No underscore or _Txx or _xxx name not matched */ 432 case ACPI_PREDEFINED_NAME: /* Resource Name or reserved scope name */ 433 case ACPI_COMPILER_RESERVED_NAME: /* A _Txx that was not emitted by compiler */ 434 435 /* Nothing to do */ 436 return; 437 438 case ACPI_EVENT_RESERVED_NAME: /* _Lxx/_Exx/_Wxx/_Qxx methods */ 439 440 /* 441 * These names must be control methods, by definition in ACPI spec. 442 * Also because they are defined to return no value. None of them 443 * require any arguments. 444 */ 445 AslError (ASL_ERROR, ASL_MSG_RESERVED_METHOD, Op, 446 "with zero arguments"); 447 return; 448 449 default: /* A standard predefined ACPI name */ 450 451 /* 452 * If this predefined name requires input arguments, then 453 * it must be implemented as a control method 454 */ 455 if (PredefinedNames[Index].Info.ParamCount > 0) 456 { 457 AslError (ASL_ERROR, ASL_MSG_RESERVED_METHOD, Op, 458 "with arguments"); 459 return; 460 } 461 462 /* 463 * If no return value is expected from this predefined name, then 464 * it follows that it must be implemented as a control method 465 * (with zero args, because the args > 0 case was handled above) 466 * Examples are: _DIS, _INI, _IRC, _OFF, _ON, _PSx 467 */ 468 if (!PredefinedNames[Index].Info.ExpectedBtypes) 469 { 470 AslError (ASL_ERROR, ASL_MSG_RESERVED_METHOD, Op, 471 "with zero arguments"); 472 return; 473 } 474 475 /* Typecheck the actual object, it is the next argument */ 476 477 ApCheckObjectType (Op->Asl.Child->Asl.Next, 478 PredefinedNames[Index].Info.ExpectedBtypes); 479 return; 480 } 481 } 482 483 484 /******************************************************************************* 485 * 486 * FUNCTION: ApCheckForPredefinedName 487 * 488 * PARAMETERS: Op - A parse node 489 * Name - NameSeg to check 490 * 491 * RETURN: None 492 * 493 * DESCRIPTION: Check a NameSeg against the reserved list. 494 * 495 ******************************************************************************/ 496 497 UINT32 498 ApCheckForPredefinedName ( 499 ACPI_PARSE_OBJECT *Op, 500 char *Name) 501 { 502 UINT32 i; 503 504 505 if (Name[0] == 0) 506 { 507 AcpiOsPrintf ("Found a null name, external = %s\n", 508 Op->Asl.ExternalName); 509 } 510 511 /* All reserved names are prefixed with a single underscore */ 512 513 if (Name[0] != '_') 514 { 515 return (ACPI_NOT_RESERVED_NAME); 516 } 517 518 /* Check for a standard predefined method name */ 519 520 for (i = 0; PredefinedNames[i].Info.Name[0]; i++) 521 { 522 if (ACPI_COMPARE_NAME (Name, PredefinedNames[i].Info.Name)) 523 { 524 /* Return index into predefined array */ 525 return (i); 526 } 527 } 528 529 /* Check for resource names and predefined scope names */ 530 531 for (i = 0; ResourceNames[i].Info.Name[0]; i++) 532 { 533 if (ACPI_COMPARE_NAME (Name, ResourceNames[i].Info.Name)) 534 { 535 return (ACPI_PREDEFINED_NAME); 536 } 537 } 538 539 for (i = 0; ScopeNames[i].Info.Name[0]; i++) 540 { 541 if (ACPI_COMPARE_NAME (Name, ScopeNames[i].Info.Name)) 542 { 543 return (ACPI_PREDEFINED_NAME); 544 } 545 } 546 547 /* Check for _Lxx/_Exx/_Wxx/_Qxx/_T_x. Warning if unknown predefined name */ 548 549 return (ApCheckForSpecialName (Op, Name)); 550 } 551 552 553 /******************************************************************************* 554 * 555 * FUNCTION: ApCheckForSpecialName 556 * 557 * PARAMETERS: Op - A parse node 558 * Name - NameSeg to check 559 * 560 * RETURN: None 561 * 562 * DESCRIPTION: Check for the "special" predefined names - 563 * _Lxx, _Exx, _Qxx, _Wxx, and _T_x 564 * 565 ******************************************************************************/ 566 567 static UINT32 568 ApCheckForSpecialName ( 569 ACPI_PARSE_OBJECT *Op, 570 char *Name) 571 { 572 573 /* 574 * Check for the "special" predefined names. We already know that the 575 * first character is an underscore. 576 * GPE: _Lxx 577 * GPE: _Exx 578 * GPE: _Wxx 579 * EC: _Qxx 580 */ 581 if ((Name[1] == 'L') || 582 (Name[1] == 'E') || 583 (Name[1] == 'W') || 584 (Name[1] == 'Q')) 585 { 586 /* The next two characters must be hex digits */ 587 588 if ((isxdigit ((int) Name[2])) && 589 (isxdigit ((int) Name[3]))) 590 { 591 return (ACPI_EVENT_RESERVED_NAME); 592 } 593 } 594 595 /* Check for the names reserved for the compiler itself: _T_x */ 596 597 else if ((Op->Asl.ExternalName[1] == 'T') && 598 (Op->Asl.ExternalName[2] == '_')) 599 { 600 /* Ignore if actually emitted by the compiler */ 601 602 if (Op->Asl.CompileFlags & NODE_COMPILER_EMITTED) 603 { 604 return (ACPI_NOT_RESERVED_NAME); 605 } 606 607 /* 608 * Was not actually emitted by the compiler. This is a special case, 609 * however. If the ASL code being compiled was the result of a 610 * dissasembly, it may possibly contain valid compiler-emitted names 611 * of the form "_T_x". We don't want to issue an error or even a 612 * warning and force the user to manually change the names. So, we 613 * will issue a remark instead. 614 */ 615 AslError (ASL_REMARK, ASL_MSG_COMPILER_RESERVED, Op, Op->Asl.ExternalName); 616 return (ACPI_COMPILER_RESERVED_NAME); 617 } 618 619 /* 620 * The name didn't match any of the known predefined names. Flag it as a 621 * warning, since the entire namespace starting with an underscore is 622 * reserved by the ACPI spec. 623 */ 624 AslError (ASL_WARNING, ASL_MSG_UNKNOWN_RESERVED_NAME, Op, 625 Op->Asl.ExternalName); 626 627 return (ACPI_NOT_RESERVED_NAME); 628 } 629 630 631 /******************************************************************************* 632 * 633 * FUNCTION: ApCheckObjectType 634 * 635 * PARAMETERS: Op - Current parse node 636 * ExpectedBtypes - Bitmap of expected return type(s) 637 * 638 * RETURN: None 639 * 640 * DESCRIPTION: Check if the object type is one of the types that is expected 641 * by the predefined name. Only a limited number of object types 642 * can be returned by the predefined names. 643 * 644 ******************************************************************************/ 645 646 static void 647 ApCheckObjectType ( 648 ACPI_PARSE_OBJECT *Op, 649 UINT32 ExpectedBtypes) 650 { 651 UINT32 ReturnBtype; 652 653 654 switch (Op->Asl.ParseOpcode) 655 { 656 case PARSEOP_ZERO: 657 case PARSEOP_ONE: 658 case PARSEOP_ONES: 659 case PARSEOP_INTEGER: 660 ReturnBtype = ACPI_RTYPE_INTEGER; 661 break; 662 663 case PARSEOP_BUFFER: 664 ReturnBtype = ACPI_RTYPE_BUFFER; 665 break; 666 667 case PARSEOP_STRING_LITERAL: 668 ReturnBtype = ACPI_RTYPE_STRING; 669 break; 670 671 case PARSEOP_PACKAGE: 672 ReturnBtype = ACPI_RTYPE_PACKAGE; 673 break; 674 675 default: 676 /* Not one of the supported object types */ 677 678 goto TypeErrorExit; 679 } 680 681 /* Exit if the object is one of the expected types */ 682 683 if (ReturnBtype & ExpectedBtypes) 684 { 685 return; 686 } 687 688 689 TypeErrorExit: 690 691 /* Format the expected types and emit an error message */ 692 693 ApGetExpectedTypes (StringBuffer, ExpectedBtypes); 694 695 sprintf (MsgBuffer, "found %s, requires %s", 696 UtGetOpName (Op->Asl.ParseOpcode), StringBuffer); 697 698 AslError (ASL_ERROR, ASL_MSG_RESERVED_OPERAND_TYPE, Op, 699 MsgBuffer); 700 } 701 702 703 /******************************************************************************* 704 * 705 * FUNCTION: ApDisplayReservedNames 706 * 707 * PARAMETERS: None 708 * 709 * RETURN: None 710 * 711 * DESCRIPTION: Dump information about the ACPI predefined names and predefined 712 * resource descriptor names. 713 * 714 ******************************************************************************/ 715 716 void 717 ApDisplayReservedNames ( 718 void) 719 { 720 const ACPI_PREDEFINED_INFO *ThisName; 721 char TypeBuffer[48]; /* Room for 5 types */ 722 UINT32 Count; 723 724 725 /* 726 * Predefined names/methods 727 */ 728 printf ("\nPredefined Name Information\n\n"); 729 730 Count = 0; 731 ThisName = PredefinedNames; 732 while (ThisName->Info.Name[0]) 733 { 734 printf ("%4.4s Requires %u arguments, ", 735 ThisName->Info.Name, ThisName->Info.ParamCount & 0x0F); 736 737 if (ThisName->Info.ExpectedBtypes) 738 { 739 ApGetExpectedTypes (TypeBuffer, ThisName->Info.ExpectedBtypes); 740 printf ("Must return: %s\n", TypeBuffer); 741 } 742 else 743 { 744 printf ("No return value\n"); 745 } 746 747 /* 748 * Skip next entry in the table if this name returns a Package 749 * (next entry contains the package info) 750 */ 751 if (ThisName->Info.ExpectedBtypes & ACPI_RTYPE_PACKAGE) 752 { 753 ThisName++; 754 } 755 756 Count++; 757 ThisName++; 758 } 759 760 printf ("%u Predefined Names are recognized\n", Count); 761 762 /* 763 * Resource Descriptor names 764 */ 765 printf ("\nResource Descriptor Predefined Names\n\n"); 766 767 Count = 0; 768 ThisName = ResourceNames; 769 while (ThisName->Info.Name[0]) 770 { 771 printf ("%4.4s Resource Descriptor\n", ThisName->Info.Name); 772 Count++; 773 ThisName++; 774 } 775 776 printf ("%u Resource Descriptor Names are recognized\n", Count); 777 778 /* 779 * Predefined scope names 780 */ 781 printf ("\nPredefined Scope Names\n\n"); 782 783 ThisName = ScopeNames; 784 while (ThisName->Info.Name[0]) 785 { 786 printf ("%4.4s Scope\n", ThisName->Info.Name); 787 ThisName++; 788 } 789 } 790 791 792 /******************************************************************************* 793 * 794 * FUNCTION: ApGetExpectedTypes 795 * 796 * PARAMETERS: Buffer - Where the formatted string is returned 797 * ExpectedBTypes - Bitfield of expected data types 798 * 799 * RETURN: None, formatted string 800 * 801 * DESCRIPTION: Format the expected object types into a printable string. 802 * 803 ******************************************************************************/ 804 805 static void 806 ApGetExpectedTypes ( 807 char *Buffer, 808 UINT32 ExpectedBtypes) 809 { 810 UINT32 ThisRtype; 811 UINT32 i; 812 UINT32 j; 813 814 815 j = 1; 816 Buffer[0] = 0; 817 ThisRtype = ACPI_RTYPE_INTEGER; 818 819 for (i = 0; i < ACPI_NUM_RTYPES; i++) 820 { 821 /* If one of the expected types, concatenate the name of this type */ 822 823 if (ExpectedBtypes & ThisRtype) 824 { 825 ACPI_STRCAT (Buffer, &AcpiRtypeNames[i][j]); 826 j = 0; /* Use name separator from now on */ 827 } 828 ThisRtype <<= 1; /* Next Rtype */ 829 } 830 } 831 832