1/****************************************************************************** 2 * 3 * Module Name: exresop - AML Interpreter operand/object resolution 4 * 5 *****************************************************************************/ 6 7/****************************************************************************** 8 * 9 * 1. Copyright Notice 10 * 11 * Some or all of this work - Copyright (c) 1999 - 2012, 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 __EXRESOP_C__ 117 118#include "acpi.h" 119#include "accommon.h" 120#include "amlcode.h" 121#include "acparser.h" 122#include "acinterp.h" 123#include "acnamesp.h" 124 125 126#define _COMPONENT ACPI_EXECUTER 127 ACPI_MODULE_NAME ("exresop") 128 129/* Local prototypes */ 130 131static ACPI_STATUS 132AcpiExCheckObjectType ( 133 ACPI_OBJECT_TYPE TypeNeeded, 134 ACPI_OBJECT_TYPE ThisType, 135 void *Object); 136 137 138/******************************************************************************* 139 * 140 * FUNCTION: AcpiExCheckObjectType 141 * 142 * PARAMETERS: TypeNeeded Object type needed 143 * ThisType Actual object type 144 * Object Object pointer 145 * 146 * RETURN: Status 147 * 148 * DESCRIPTION: Check required type against actual type 149 * 150 ******************************************************************************/ 151 152static ACPI_STATUS 153AcpiExCheckObjectType ( 154 ACPI_OBJECT_TYPE TypeNeeded, 155 ACPI_OBJECT_TYPE ThisType, 156 void *Object) 157{ 158 ACPI_FUNCTION_ENTRY (); 159 160 161 if (TypeNeeded == ACPI_TYPE_ANY) 162 { 163 /* All types OK, so we don't perform any typechecks */ 164 165 return (AE_OK); 166 } 167 168 if (TypeNeeded == ACPI_TYPE_LOCAL_REFERENCE) 169 { 170 /* 171 * Allow the AML "Constant" opcodes (Zero, One, etc.) to be reference 172 * objects and thus allow them to be targets. (As per the ACPI 173 * specification, a store to a constant is a noop.) 174 */ 175 if ((ThisType == ACPI_TYPE_INTEGER) && 176 (((ACPI_OPERAND_OBJECT *) Object)->Common.Flags & AOPOBJ_AML_CONSTANT)) 177 { 178 return (AE_OK); 179 } 180 } 181 182 if (TypeNeeded != ThisType) 183 { 184 ACPI_ERROR ((AE_INFO, 185 "Needed type [%s], found [%s] %p", 186 AcpiUtGetTypeName (TypeNeeded), 187 AcpiUtGetTypeName (ThisType), Object)); 188 189 return (AE_AML_OPERAND_TYPE); 190 } 191 192 return (AE_OK); 193} 194 195 196/******************************************************************************* 197 * 198 * FUNCTION: AcpiExResolveOperands 199 * 200 * PARAMETERS: Opcode - Opcode being interpreted 201 * StackPtr - Pointer to the operand stack to be 202 * resolved 203 * WalkState - Current state 204 * 205 * RETURN: Status 206 * 207 * DESCRIPTION: Convert multiple input operands to the types required by the 208 * target operator. 209 * 210 * Each 5-bit group in ArgTypes represents one required 211 * operand and indicates the required Type. The corresponding operand 212 * will be converted to the required type if possible, otherwise we 213 * abort with an exception. 214 * 215 ******************************************************************************/ 216 217ACPI_STATUS 218AcpiExResolveOperands ( 219 UINT16 Opcode, 220 ACPI_OPERAND_OBJECT **StackPtr, 221 ACPI_WALK_STATE *WalkState) 222{ 223 ACPI_OPERAND_OBJECT *ObjDesc; 224 ACPI_STATUS Status = AE_OK; 225 UINT8 ObjectType; 226 UINT32 ArgTypes; 227 const ACPI_OPCODE_INFO *OpInfo; 228 UINT32 ThisArgType; 229 ACPI_OBJECT_TYPE TypeNeeded; 230 UINT16 TargetOp = 0; 231 232 233 ACPI_FUNCTION_TRACE_U32 (ExResolveOperands, Opcode); 234 235 236 OpInfo = AcpiPsGetOpcodeInfo (Opcode); 237 if (OpInfo->Class == AML_CLASS_UNKNOWN) 238 { 239 return_ACPI_STATUS (AE_AML_BAD_OPCODE); 240 } 241 242 ArgTypes = OpInfo->RuntimeArgs; 243 if (ArgTypes == ARGI_INVALID_OPCODE) 244 { 245 ACPI_ERROR ((AE_INFO, "Unknown AML opcode 0x%X", 246 Opcode)); 247 248 return_ACPI_STATUS (AE_AML_INTERNAL); 249 } 250 251 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, 252 "Opcode %X [%s] RequiredOperandTypes=%8.8X\n", 253 Opcode, OpInfo->Name, ArgTypes)); 254 255 /* 256 * Normal exit is with (ArgTypes == 0) at end of argument list. 257 * Function will return an exception from within the loop upon 258 * finding an entry which is not (or cannot be converted 259 * to) the required type; if stack underflows; or upon 260 * finding a NULL stack entry (which should not happen). 261 */ 262 while (GET_CURRENT_ARG_TYPE (ArgTypes)) 263 { 264 if (!StackPtr || !*StackPtr) 265 { 266 ACPI_ERROR ((AE_INFO, "Null stack entry at %p", 267 StackPtr)); 268 269 return_ACPI_STATUS (AE_AML_INTERNAL); 270 } 271 272 /* Extract useful items */ 273 274 ObjDesc = *StackPtr; 275 276 /* Decode the descriptor type */ 277 278 switch (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc)) 279 { 280 case ACPI_DESC_TYPE_NAMED: 281 282 /* Namespace Node */ 283 284 ObjectType = ((ACPI_NAMESPACE_NODE *) ObjDesc)->Type; 285 286 /* 287 * Resolve an alias object. The construction of these objects 288 * guarantees that there is only one level of alias indirection; 289 * thus, the attached object is always the aliased namespace node 290 */ 291 if (ObjectType == ACPI_TYPE_LOCAL_ALIAS) 292 { 293 ObjDesc = AcpiNsGetAttachedObject ((ACPI_NAMESPACE_NODE *) ObjDesc); 294 *StackPtr = ObjDesc; 295 ObjectType = ((ACPI_NAMESPACE_NODE *) ObjDesc)->Type; 296 } 297 break; 298 299 300 case ACPI_DESC_TYPE_OPERAND: 301 302 /* ACPI internal object */ 303 304 ObjectType = ObjDesc->Common.Type; 305 306 /* Check for bad ACPI_OBJECT_TYPE */ 307 308 if (!AcpiUtValidObjectType (ObjectType)) 309 { 310 ACPI_ERROR ((AE_INFO, 311 "Bad operand object type [0x%X]", ObjectType)); 312 313 return_ACPI_STATUS (AE_AML_OPERAND_TYPE); 314 } 315 316 if (ObjectType == (UINT8) ACPI_TYPE_LOCAL_REFERENCE) 317 { 318 /* Validate the Reference */ 319 320 switch (ObjDesc->Reference.Class) 321 { 322 case ACPI_REFCLASS_DEBUG: 323 324 TargetOp = AML_DEBUG_OP; 325 326 /*lint -fallthrough */ 327 328 case ACPI_REFCLASS_ARG: 329 case ACPI_REFCLASS_LOCAL: 330 case ACPI_REFCLASS_INDEX: 331 case ACPI_REFCLASS_REFOF: 332 case ACPI_REFCLASS_TABLE: /* DdbHandle from LOAD_OP or LOAD_TABLE_OP */ 333 case ACPI_REFCLASS_NAME: /* Reference to a named object */ 334 335 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, 336 "Operand is a Reference, Class [%s] %2.2X\n", 337 AcpiUtGetReferenceName (ObjDesc), 338 ObjDesc->Reference.Class)); 339 break; 340 341 default: 342 343 ACPI_ERROR ((AE_INFO, 344 "Unknown Reference Class 0x%2.2X in %p", 345 ObjDesc->Reference.Class, ObjDesc)); 346 347 return_ACPI_STATUS (AE_AML_OPERAND_TYPE); 348 } 349 } 350 break; 351 352 353 default: 354 355 /* Invalid descriptor */ 356 357 ACPI_ERROR ((AE_INFO, "Invalid descriptor %p [%s]", 358 ObjDesc, AcpiUtGetDescriptorName (ObjDesc))); 359 360 return_ACPI_STATUS (AE_AML_OPERAND_TYPE); 361 } 362 363 /* Get one argument type, point to the next */ 364 365 ThisArgType = GET_CURRENT_ARG_TYPE (ArgTypes); 366 INCREMENT_ARG_LIST (ArgTypes); 367 368 /* 369 * Handle cases where the object does not need to be 370 * resolved to a value 371 */ 372 switch (ThisArgType) 373 { 374 case ARGI_REF_OR_STRING: /* Can be a String or Reference */ 375 376 if ((ACPI_GET_DESCRIPTOR_TYPE (ObjDesc) == ACPI_DESC_TYPE_OPERAND) && 377 (ObjDesc->Common.Type == ACPI_TYPE_STRING)) 378 { 379 /* 380 * String found - the string references a named object and 381 * must be resolved to a node 382 */ 383 goto NextOperand; 384 } 385 386 /* 387 * Else not a string - fall through to the normal Reference 388 * case below 389 */ 390 /*lint -fallthrough */ 391 392 case ARGI_REFERENCE: /* References: */ 393 case ARGI_INTEGER_REF: 394 case ARGI_OBJECT_REF: 395 case ARGI_DEVICE_REF: 396 case ARGI_TARGETREF: /* Allows implicit conversion rules before store */ 397 case ARGI_FIXED_TARGET: /* No implicit conversion before store to target */ 398 case ARGI_SIMPLE_TARGET: /* Name, Local, or Arg - no implicit conversion */ 399 400 /* 401 * Need an operand of type ACPI_TYPE_LOCAL_REFERENCE 402 * A Namespace Node is OK as-is 403 */ 404 if (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc) == ACPI_DESC_TYPE_NAMED) 405 { 406 goto NextOperand; 407 } 408 409 Status = AcpiExCheckObjectType (ACPI_TYPE_LOCAL_REFERENCE, 410 ObjectType, ObjDesc); 411 if (ACPI_FAILURE (Status)) 412 { 413 return_ACPI_STATUS (Status); 414 } 415 goto NextOperand; 416 417 418 case ARGI_DATAREFOBJ: /* Store operator only */ 419 420 /* 421 * We don't want to resolve IndexOp reference objects during 422 * a store because this would be an implicit DeRefOf operation. 423 * Instead, we just want to store the reference object. 424 * -- All others must be resolved below. 425 */ 426 if ((Opcode == AML_STORE_OP) && 427 ((*StackPtr)->Common.Type == ACPI_TYPE_LOCAL_REFERENCE) && 428 ((*StackPtr)->Reference.Class == ACPI_REFCLASS_INDEX)) 429 { 430 goto NextOperand; 431 } 432 break; 433 434 default: 435 /* All cases covered above */ 436 break; 437 } 438 439 /* 440 * Resolve this object to a value 441 */ 442 Status = AcpiExResolveToValue (StackPtr, WalkState); 443 if (ACPI_FAILURE (Status)) 444 { 445 return_ACPI_STATUS (Status); 446 } 447 448 /* Get the resolved object */ 449 450 ObjDesc = *StackPtr; 451 452 /* 453 * Check the resulting object (value) type 454 */ 455 switch (ThisArgType) 456 { 457 /* 458 * For the simple cases, only one type of resolved object 459 * is allowed 460 */ 461 case ARGI_MUTEX: 462 463 /* Need an operand of type ACPI_TYPE_MUTEX */ 464 465 TypeNeeded = ACPI_TYPE_MUTEX; 466 break; 467 468 case ARGI_EVENT: 469 470 /* Need an operand of type ACPI_TYPE_EVENT */ 471 472 TypeNeeded = ACPI_TYPE_EVENT; 473 break; 474 475 case ARGI_PACKAGE: /* Package */ 476 477 /* Need an operand of type ACPI_TYPE_PACKAGE */ 478 479 TypeNeeded = ACPI_TYPE_PACKAGE; 480 break; 481 482 case ARGI_ANYTYPE: 483 484 /* Any operand type will do */ 485 486 TypeNeeded = ACPI_TYPE_ANY; 487 break; 488 489 case ARGI_DDBHANDLE: 490 491 /* Need an operand of type ACPI_TYPE_DDB_HANDLE */ 492 493 TypeNeeded = ACPI_TYPE_LOCAL_REFERENCE; 494 break; 495 496 497 /* 498 * The more complex cases allow multiple resolved object types 499 */ 500 case ARGI_INTEGER: 501 502 /* 503 * Need an operand of type ACPI_TYPE_INTEGER, 504 * But we can implicitly convert from a STRING or BUFFER 505 * Aka - "Implicit Source Operand Conversion" 506 */ 507 Status = AcpiExConvertToInteger (ObjDesc, StackPtr, 16); 508 if (ACPI_FAILURE (Status)) 509 { 510 if (Status == AE_TYPE) 511 { 512 ACPI_ERROR ((AE_INFO, 513 "Needed [Integer/String/Buffer], found [%s] %p", 514 AcpiUtGetObjectTypeName (ObjDesc), ObjDesc)); 515 516 return_ACPI_STATUS (AE_AML_OPERAND_TYPE); 517 } 518 519 return_ACPI_STATUS (Status); 520 } 521 522 if (ObjDesc != *StackPtr) 523 { 524 AcpiUtRemoveReference (ObjDesc); 525 } 526 goto NextOperand; 527 528 529 case ARGI_BUFFER: 530 531 /* 532 * Need an operand of type ACPI_TYPE_BUFFER, 533 * But we can implicitly convert from a STRING or INTEGER 534 * Aka - "Implicit Source Operand Conversion" 535 */ 536 Status = AcpiExConvertToBuffer (ObjDesc, StackPtr); 537 if (ACPI_FAILURE (Status)) 538 { 539 if (Status == AE_TYPE) 540 { 541 ACPI_ERROR ((AE_INFO, 542 "Needed [Integer/String/Buffer], found [%s] %p", 543 AcpiUtGetObjectTypeName (ObjDesc), ObjDesc)); 544 545 return_ACPI_STATUS (AE_AML_OPERAND_TYPE); 546 } 547 548 return_ACPI_STATUS (Status); 549 } 550 551 if (ObjDesc != *StackPtr) 552 { 553 AcpiUtRemoveReference (ObjDesc); 554 } 555 goto NextOperand; 556 557 558 case ARGI_STRING: 559 560 /* 561 * Need an operand of type ACPI_TYPE_STRING, 562 * But we can implicitly convert from a BUFFER or INTEGER 563 * Aka - "Implicit Source Operand Conversion" 564 */ 565 Status = AcpiExConvertToString (ObjDesc, StackPtr, 566 ACPI_IMPLICIT_CONVERT_HEX); 567 if (ACPI_FAILURE (Status)) 568 { 569 if (Status == AE_TYPE) 570 { 571 ACPI_ERROR ((AE_INFO, 572 "Needed [Integer/String/Buffer], found [%s] %p", 573 AcpiUtGetObjectTypeName (ObjDesc), ObjDesc)); 574 575 return_ACPI_STATUS (AE_AML_OPERAND_TYPE); 576 } 577 578 return_ACPI_STATUS (Status); 579 } 580 581 if (ObjDesc != *StackPtr) 582 { 583 AcpiUtRemoveReference (ObjDesc); 584 } 585 goto NextOperand; 586 587 588 case ARGI_COMPUTEDATA: 589 590 /* Need an operand of type INTEGER, STRING or BUFFER */ 591 592 switch (ObjDesc->Common.Type) 593 { 594 case ACPI_TYPE_INTEGER: 595 case ACPI_TYPE_STRING: 596 case ACPI_TYPE_BUFFER: 597 598 /* Valid operand */ 599 break; 600 601 default: 602 ACPI_ERROR ((AE_INFO, 603 "Needed [Integer/String/Buffer], found [%s] %p", 604 AcpiUtGetObjectTypeName (ObjDesc), ObjDesc)); 605 606 return_ACPI_STATUS (AE_AML_OPERAND_TYPE); 607 } 608 goto NextOperand; 609 610 611 case ARGI_BUFFER_OR_STRING: 612 613 /* Need an operand of type STRING or BUFFER */ 614 615 switch (ObjDesc->Common.Type) 616 { 617 case ACPI_TYPE_STRING: 618 case ACPI_TYPE_BUFFER: 619 620 /* Valid operand */ 621 break; 622 623 case ACPI_TYPE_INTEGER: 624 625 /* Highest priority conversion is to type Buffer */ 626 627 Status = AcpiExConvertToBuffer (ObjDesc, StackPtr); 628 if (ACPI_FAILURE (Status)) 629 { 630 return_ACPI_STATUS (Status); 631 } 632 633 if (ObjDesc != *StackPtr) 634 { 635 AcpiUtRemoveReference (ObjDesc); 636 } 637 break; 638 639 default: 640 ACPI_ERROR ((AE_INFO, 641 "Needed [Integer/String/Buffer], found [%s] %p", 642 AcpiUtGetObjectTypeName (ObjDesc), ObjDesc)); 643 644 return_ACPI_STATUS (AE_AML_OPERAND_TYPE); 645 } 646 goto NextOperand; 647 648 649 case ARGI_DATAOBJECT: 650 /* 651 * ARGI_DATAOBJECT is only used by the SizeOf operator. 652 * Need a buffer, string, package, or RefOf reference. 653 * 654 * The only reference allowed here is a direct reference to 655 * a namespace node. 656 */ 657 switch (ObjDesc->Common.Type) 658 { 659 case ACPI_TYPE_PACKAGE: 660 case ACPI_TYPE_STRING: 661 case ACPI_TYPE_BUFFER: 662 case ACPI_TYPE_LOCAL_REFERENCE: 663 664 /* Valid operand */ 665 break; 666 667 default: 668 ACPI_ERROR ((AE_INFO, 669 "Needed [Buffer/String/Package/Reference], found [%s] %p", 670 AcpiUtGetObjectTypeName (ObjDesc), ObjDesc)); 671 672 return_ACPI_STATUS (AE_AML_OPERAND_TYPE); 673 } 674 goto NextOperand; 675 676 677 case ARGI_COMPLEXOBJ: 678 679 /* Need a buffer or package or (ACPI 2.0) String */ 680 681 switch (ObjDesc->Common.Type) 682 { 683 case ACPI_TYPE_PACKAGE: 684 case ACPI_TYPE_STRING: 685 case ACPI_TYPE_BUFFER: 686 687 /* Valid operand */ 688 break; 689 690 default: 691 ACPI_ERROR ((AE_INFO, 692 "Needed [Buffer/String/Package], found [%s] %p", 693 AcpiUtGetObjectTypeName (ObjDesc), ObjDesc)); 694 695 return_ACPI_STATUS (AE_AML_OPERAND_TYPE); 696 } 697 goto NextOperand; 698 699 700 case ARGI_REGION_OR_BUFFER: /* Used by Load() only */ 701 702 /* Need an operand of type REGION or a BUFFER (which could be a resolved region field) */ 703 704 switch (ObjDesc->Common.Type) 705 { 706 case ACPI_TYPE_BUFFER: 707 case ACPI_TYPE_REGION: 708 709 /* Valid operand */ 710 break; 711 712 default: 713 ACPI_ERROR ((AE_INFO, 714 "Needed [Region/Buffer], found [%s] %p", 715 AcpiUtGetObjectTypeName (ObjDesc), ObjDesc)); 716 717 return_ACPI_STATUS (AE_AML_OPERAND_TYPE); 718 } 719 goto NextOperand; 720 721 722 case ARGI_DATAREFOBJ: 723 724 /* Used by the Store() operator only */ 725 726 switch (ObjDesc->Common.Type) 727 { 728 case ACPI_TYPE_INTEGER: 729 case ACPI_TYPE_PACKAGE: 730 case ACPI_TYPE_STRING: 731 case ACPI_TYPE_BUFFER: 732 case ACPI_TYPE_BUFFER_FIELD: 733 case ACPI_TYPE_LOCAL_REFERENCE: 734 case ACPI_TYPE_LOCAL_REGION_FIELD: 735 case ACPI_TYPE_LOCAL_BANK_FIELD: 736 case ACPI_TYPE_LOCAL_INDEX_FIELD: 737 case ACPI_TYPE_DDB_HANDLE: 738 739 /* Valid operand */ 740 break; 741 742 default: 743 744 if (AcpiGbl_EnableInterpreterSlack) 745 { 746 /* 747 * Enable original behavior of Store(), allowing any and all 748 * objects as the source operand. The ACPI spec does not 749 * allow this, however. 750 */ 751 break; 752 } 753 754 if (TargetOp == AML_DEBUG_OP) 755 { 756 /* Allow store of any object to the Debug object */ 757 758 break; 759 } 760 761 ACPI_ERROR ((AE_INFO, 762 "Needed Integer/Buffer/String/Package/Ref/Ddb], found [%s] %p", 763 AcpiUtGetObjectTypeName (ObjDesc), ObjDesc)); 764 765 return_ACPI_STATUS (AE_AML_OPERAND_TYPE); 766 } 767 goto NextOperand; 768 769 770 default: 771 772 /* Unknown type */ 773 774 ACPI_ERROR ((AE_INFO, 775 "Internal - Unknown ARGI (required operand) type 0x%X", 776 ThisArgType)); 777 778 return_ACPI_STATUS (AE_BAD_PARAMETER); 779 } 780 781 /* 782 * Make sure that the original object was resolved to the 783 * required object type (Simple cases only). 784 */ 785 Status = AcpiExCheckObjectType (TypeNeeded, 786 (*StackPtr)->Common.Type, *StackPtr); 787 if (ACPI_FAILURE (Status)) 788 { 789 return_ACPI_STATUS (Status); 790 } 791 792NextOperand: 793 /* 794 * If more operands needed, decrement StackPtr to point 795 * to next operand on stack 796 */ 797 if (GET_CURRENT_ARG_TYPE (ArgTypes)) 798 { 799 StackPtr--; 800 } 801 } 802 803 ACPI_DUMP_OPERANDS (WalkState->Operands, 804 AcpiPsGetOpcodeName (Opcode), WalkState->NumOperands); 805 806 return_ACPI_STATUS (Status); 807} 808