aslpredef.c revision 206117
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 131static UINT32 132ApCheckForSpecialName ( 133 ACPI_PARSE_OBJECT *Op, 134 char *Name); 135 136static void 137ApCheckObjectType ( 138 ACPI_PARSE_OBJECT *Op, 139 UINT32 ExpectedBtypes); 140 141static void 142ApGetExpectedTypes ( 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 */ 151static 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 */ 165static 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 199static 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 222void 223ApCheckForPredefinedMethod ( 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, and _Qxx methods */ 247 248 Gbl_ReservedMethods++; 249 250 /* NumArguments must be zero for all _Lxx, _Exx, and _Qxx methods */ 251 252 if (MethodInfo->NumArguments != 0) 253 { 254 sprintf (MsgBuffer, "%s requires %d", 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 %d", 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 330void 331ApCheckPredefinedReturnValue ( 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, and _Qxx methods */ 350 351 /* Just return, nothing to do */ 352 return; 353 354 default: /* a real 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 415void 416ApCheckForPredefinedObject ( 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 if (Index > ACPI_VALID_RESERVED_NAME_MAX) 429 { 430 return; 431 } 432 433 /* 434 * We found a matching predefind name. 435 * Check if this predefined name requires input arguments 436 */ 437 if (PredefinedNames[Index].Info.ParamCount > 0) 438 { 439 /* 440 * This predefined name must always be defined as a control 441 * method because it is required to have input arguments. 442 */ 443 AslError (ASL_ERROR, ASL_MSG_RESERVED_METHOD, Op, 444 "with arguments"); 445 } 446 447 /* Typecheck the actual object, it is the next argument */ 448 449 ApCheckObjectType (Op->Asl.Child->Asl.Next, 450 PredefinedNames[Index].Info.ExpectedBtypes); 451} 452 453 454/******************************************************************************* 455 * 456 * FUNCTION: ApCheckForPredefinedName 457 * 458 * PARAMETERS: Op - A parse node 459 * Name - NameSeg to check 460 * 461 * RETURN: None 462 * 463 * DESCRIPTION: Check a NameSeg against the reserved list. 464 * 465 ******************************************************************************/ 466 467UINT32 468ApCheckForPredefinedName ( 469 ACPI_PARSE_OBJECT *Op, 470 char *Name) 471{ 472 UINT32 i; 473 474 475 if (Name[0] == 0) 476 { 477 AcpiOsPrintf ("Found a null name, external = %s\n", 478 Op->Asl.ExternalName); 479 } 480 481 /* All reserved names are prefixed with a single underscore */ 482 483 if (Name[0] != '_') 484 { 485 return (ACPI_NOT_RESERVED_NAME); 486 } 487 488 /* Check for a standard predefined method name */ 489 490 for (i = 0; PredefinedNames[i].Info.Name[0]; i++) 491 { 492 if (ACPI_COMPARE_NAME (Name, PredefinedNames[i].Info.Name)) 493 { 494 /* Return index into predefined array */ 495 return (i); 496 } 497 } 498 499 /* Check for resource names and predefined scope names */ 500 501 for (i = 0; ResourceNames[i].Info.Name[0]; i++) 502 { 503 if (ACPI_COMPARE_NAME (Name, ResourceNames[i].Info.Name)) 504 { 505 return (ACPI_PREDEFINED_NAME); 506 } 507 } 508 509 for (i = 0; ScopeNames[i].Info.Name[0]; i++) 510 { 511 if (ACPI_COMPARE_NAME (Name, ScopeNames[i].Info.Name)) 512 { 513 return (ACPI_PREDEFINED_NAME); 514 } 515 } 516 517 /* Check for _Lxx, _Exx, _Qxx, _T_x. Warning if unknown predefined name */ 518 519 return (ApCheckForSpecialName (Op, Name)); 520} 521 522 523/******************************************************************************* 524 * 525 * FUNCTION: ApCheckForSpecialName 526 * 527 * PARAMETERS: Op - A parse node 528 * Name - NameSeg to check 529 * 530 * RETURN: None 531 * 532 * DESCRIPTION: Check for the "special" predefined names - 533 * _Lxx, _Exx, _Qxx, and _T_x 534 * 535 ******************************************************************************/ 536 537static UINT32 538ApCheckForSpecialName ( 539 ACPI_PARSE_OBJECT *Op, 540 char *Name) 541{ 542 543 /* 544 * Check for the "special" predefined names. We know the first char is an 545 * underscore already. 546 * GPE: _Lxx 547 * GPE: _Exx 548 * EC: _Qxx 549 */ 550 if ((Name[1] == 'L') || 551 (Name[1] == 'E') || 552 (Name[1] == 'Q')) 553 { 554 /* The next two characters must be hex digits */ 555 556 if ((isxdigit ((int) Name[2])) && 557 (isxdigit ((int) Name[3]))) 558 { 559 return (ACPI_EVENT_RESERVED_NAME); 560 } 561 } 562 563 /* Check for the names reserved for the compiler itself: _T_x */ 564 565 else if ((Op->Asl.ExternalName[1] == 'T') && 566 (Op->Asl.ExternalName[2] == '_')) 567 { 568 /* Ignore if actually emitted by the compiler */ 569 570 if (Op->Asl.CompileFlags & NODE_COMPILER_EMITTED) 571 { 572 return (ACPI_NOT_RESERVED_NAME); 573 } 574 575 /* 576 * Was not actually emitted by the compiler. This is a special case, 577 * however. If the ASL code being compiled was the result of a 578 * dissasembly, it may possibly contain valid compiler-emitted names 579 * of the form "_T_x". We don't want to issue an error or even a 580 * warning and force the user to manually change the names. So, we 581 * will issue a remark instead. 582 */ 583 AslError (ASL_REMARK, ASL_MSG_COMPILER_RESERVED, Op, Op->Asl.ExternalName); 584 return (ACPI_COMPILER_RESERVED_NAME); 585 } 586 587 /* 588 * The name didn't match any of the known predefined names. Flag it as a 589 * warning, since the entire namespace starting with an underscore is 590 * reserved by the ACPI spec. 591 */ 592 AslError (ASL_WARNING, ASL_MSG_UNKNOWN_RESERVED_NAME, Op, 593 Op->Asl.ExternalName); 594 595 return (ACPI_NOT_RESERVED_NAME); 596} 597 598 599/******************************************************************************* 600 * 601 * FUNCTION: ApCheckObjectType 602 * 603 * PARAMETERS: Op - Current parse node 604 * ExpectedBtypes - Bitmap of expected return type(s) 605 * 606 * RETURN: None 607 * 608 * DESCRIPTION: Check if the object type is one of the types that is expected 609 * by the predefined name. Only a limited number of object types 610 * can be returned by the predefined names. 611 * 612 ******************************************************************************/ 613 614static void 615ApCheckObjectType ( 616 ACPI_PARSE_OBJECT *Op, 617 UINT32 ExpectedBtypes) 618{ 619 UINT32 ReturnBtype; 620 621 622 switch (Op->Asl.ParseOpcode) 623 { 624 case PARSEOP_ZERO: 625 case PARSEOP_ONE: 626 case PARSEOP_ONES: 627 case PARSEOP_INTEGER: 628 ReturnBtype = ACPI_RTYPE_INTEGER; 629 break; 630 631 case PARSEOP_BUFFER: 632 ReturnBtype = ACPI_RTYPE_BUFFER; 633 break; 634 635 case PARSEOP_STRING_LITERAL: 636 ReturnBtype = ACPI_RTYPE_STRING; 637 break; 638 639 case PARSEOP_PACKAGE: 640 ReturnBtype = ACPI_RTYPE_PACKAGE; 641 break; 642 643 default: 644 /* Not one of the supported object types */ 645 646 goto TypeErrorExit; 647 } 648 649 /* Exit if the object is one of the expected types */ 650 651 if (ReturnBtype & ExpectedBtypes) 652 { 653 return; 654 } 655 656 657TypeErrorExit: 658 659 /* Format the expected types and emit an error message */ 660 661 ApGetExpectedTypes (StringBuffer, ExpectedBtypes); 662 663 sprintf (MsgBuffer, "found %s, requires %s", 664 UtGetOpName (Op->Asl.ParseOpcode), StringBuffer); 665 666 AslError (ASL_ERROR, ASL_MSG_RESERVED_OPERAND_TYPE, Op, 667 MsgBuffer); 668} 669 670 671/******************************************************************************* 672 * 673 * FUNCTION: ApDisplayReservedNames 674 * 675 * PARAMETERS: None 676 * 677 * RETURN: None 678 * 679 * DESCRIPTION: Dump information about the ACPI predefined names and predefined 680 * resource descriptor names. 681 * 682 ******************************************************************************/ 683 684void 685ApDisplayReservedNames ( 686 void) 687{ 688 const ACPI_PREDEFINED_INFO *ThisName; 689 char TypeBuffer[48]; /* Room for 5 types */ 690 UINT32 Count; 691 692 693 /* 694 * Predefined names/methods 695 */ 696 printf ("\nPredefined Name Information\n\n"); 697 698 Count = 0; 699 ThisName = PredefinedNames; 700 while (ThisName->Info.Name[0]) 701 { 702 printf ("%4.4s Requires %d arguments, ", 703 ThisName->Info.Name, ThisName->Info.ParamCount & 0x0F); 704 705 if (ThisName->Info.ExpectedBtypes) 706 { 707 ApGetExpectedTypes (TypeBuffer, ThisName->Info.ExpectedBtypes); 708 printf ("Must return: %s\n", TypeBuffer); 709 } 710 else 711 { 712 printf ("No return value\n"); 713 } 714 715 /* 716 * Skip next entry in the table if this name returns a Package 717 * (next entry contains the package info) 718 */ 719 if (ThisName->Info.ExpectedBtypes & ACPI_RTYPE_PACKAGE) 720 { 721 ThisName++; 722 } 723 724 Count++; 725 ThisName++; 726 } 727 728 printf ("%u Predefined Names are recognized\n", Count); 729 730 /* 731 * Resource Descriptor names 732 */ 733 printf ("\nResource Descriptor Predefined Names\n\n"); 734 735 Count = 0; 736 ThisName = ResourceNames; 737 while (ThisName->Info.Name[0]) 738 { 739 printf ("%4.4s Resource Descriptor\n", ThisName->Info.Name); 740 Count++; 741 ThisName++; 742 } 743 744 printf ("%u Resource Descriptor Names are recognized\n", Count); 745 746 /* 747 * Predefined scope names 748 */ 749 printf ("\nPredefined Scope Names\n\n"); 750 751 ThisName = ScopeNames; 752 while (ThisName->Info.Name[0]) 753 { 754 printf ("%4.4s Scope\n", ThisName->Info.Name); 755 ThisName++; 756 } 757} 758 759 760/******************************************************************************* 761 * 762 * FUNCTION: ApGetExpectedTypes 763 * 764 * PARAMETERS: Buffer - Where the formatted string is returned 765 * ExpectedBTypes - Bitfield of expected data types 766 * 767 * RETURN: None, formatted string 768 * 769 * DESCRIPTION: Format the expected object types into a printable string. 770 * 771 ******************************************************************************/ 772 773static void 774ApGetExpectedTypes ( 775 char *Buffer, 776 UINT32 ExpectedBtypes) 777{ 778 UINT32 ThisRtype; 779 UINT32 i; 780 UINT32 j; 781 782 783 j = 1; 784 Buffer[0] = 0; 785 ThisRtype = ACPI_RTYPE_INTEGER; 786 787 for (i = 0; i < ACPI_NUM_RTYPES; i++) 788 { 789 /* If one of the expected types, concatenate the name of this type */ 790 791 if (ExpectedBtypes & ThisRtype) 792 { 793 ACPI_STRCAT (Buffer, &AcpiRtypeNames[i][j]); 794 j = 0; /* Use name separator from now on */ 795 } 796 ThisRtype <<= 1; /* Next Rtype */ 797 } 798} 799 800