1 /******************************************************************************
3 * Module Name: exresop - AML Interpreter operand/object resolution
5 *****************************************************************************/
7 /******************************************************************************
11 * Some or all of this work - Copyright (c) 1999 - 2018, Intel Corp.
12 * All rights reserved.
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
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
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;
37 * The above copyright and patent license is granted only if the following
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.
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
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
72 * 3.4. Intel retains all right, title, and interest in and to the Original
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.
80 * 4. Disclaimer and Export Compliance
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
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
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.
114 *****************************************************************************
116 * Alternatively, you may choose to be licensed under the terms of the
119 * Redistribution and use in source and binary forms, with or without
120 * modification, are permitted provided that the following conditions
122 * 1. Redistributions of source code must retain the above copyright
123 * notice, this list of conditions, and the following disclaimer,
124 * without modification.
125 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
126 * substantially similar to the "NO WARRANTY" disclaimer below
127 * ("Disclaimer") and any redistribution must be conditioned upon
128 * including a substantially similar Disclaimer requirement for further
129 * binary redistribution.
130 * 3. Neither the names of the above-listed copyright holders nor the names
131 * of any contributors may be used to endorse or promote products derived
132 * from this software without specific prior written permission.
134 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
135 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
137 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
146 * Alternatively, you may choose to be licensed under the terms of the
147 * GNU General Public License ("GPL") version 2 as published by the Free
148 * Software Foundation.
150 *****************************************************************************/
153 #include "accommon.h"
155 #include "acparser.h"
156 #include "acinterp.h"
157 #include "acnamesp.h"
160 #define _COMPONENT ACPI_EXECUTER
161 ACPI_MODULE_NAME ("exresop")
163 /* Local prototypes */
166 AcpiExCheckObjectType (
167 ACPI_OBJECT_TYPE TypeNeeded
,
168 ACPI_OBJECT_TYPE ThisType
,
172 /*******************************************************************************
174 * FUNCTION: AcpiExCheckObjectType
176 * PARAMETERS: TypeNeeded Object type needed
177 * ThisType Actual object type
178 * Object Object pointer
182 * DESCRIPTION: Check required type against actual type
184 ******************************************************************************/
187 AcpiExCheckObjectType (
188 ACPI_OBJECT_TYPE TypeNeeded
,
189 ACPI_OBJECT_TYPE ThisType
,
192 ACPI_FUNCTION_ENTRY ();
195 if (TypeNeeded
== ACPI_TYPE_ANY
)
197 /* All types OK, so we don't perform any typechecks */
202 if (TypeNeeded
== ACPI_TYPE_LOCAL_REFERENCE
)
205 * Allow the AML "Constant" opcodes (Zero, One, etc.) to be reference
206 * objects and thus allow them to be targets. (As per the ACPI
207 * specification, a store to a constant is a noop.)
209 if ((ThisType
== ACPI_TYPE_INTEGER
) &&
210 (((ACPI_OPERAND_OBJECT
*) Object
)->Common
.Flags
&
211 AOPOBJ_AML_CONSTANT
))
217 if (TypeNeeded
!= ThisType
)
219 ACPI_ERROR ((AE_INFO
,
220 "Needed type [%s], found [%s] %p",
221 AcpiUtGetTypeName (TypeNeeded
),
222 AcpiUtGetTypeName (ThisType
), Object
));
224 return (AE_AML_OPERAND_TYPE
);
231 /*******************************************************************************
233 * FUNCTION: AcpiExResolveOperands
235 * PARAMETERS: Opcode - Opcode being interpreted
236 * StackPtr - Pointer to the operand stack to be
238 * WalkState - Current state
242 * DESCRIPTION: Convert multiple input operands to the types required by the
245 * Each 5-bit group in ArgTypes represents one required
246 * operand and indicates the required Type. The corresponding operand
247 * will be converted to the required type if possible, otherwise we
248 * abort with an exception.
250 ******************************************************************************/
253 AcpiExResolveOperands (
255 ACPI_OPERAND_OBJECT
**StackPtr
,
256 ACPI_WALK_STATE
*WalkState
)
258 ACPI_OPERAND_OBJECT
*ObjDesc
;
259 ACPI_STATUS Status
= AE_OK
;
262 const ACPI_OPCODE_INFO
*OpInfo
;
264 ACPI_OBJECT_TYPE TypeNeeded
;
268 ACPI_FUNCTION_TRACE_U32 (ExResolveOperands
, Opcode
);
271 OpInfo
= AcpiPsGetOpcodeInfo (Opcode
);
272 if (OpInfo
->Class
== AML_CLASS_UNKNOWN
)
274 return_ACPI_STATUS (AE_AML_BAD_OPCODE
);
277 ArgTypes
= OpInfo
->RuntimeArgs
;
278 if (ArgTypes
== ARGI_INVALID_OPCODE
)
280 ACPI_ERROR ((AE_INFO
, "Unknown AML opcode 0x%X",
283 return_ACPI_STATUS (AE_AML_INTERNAL
);
286 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC
,
287 "Opcode %X [%s] RequiredOperandTypes=%8.8X\n",
288 Opcode
, OpInfo
->Name
, ArgTypes
));
291 * Normal exit is with (ArgTypes == 0) at end of argument list.
292 * Function will return an exception from within the loop upon
293 * finding an entry which is not (or cannot be converted
294 * to) the required type; if stack underflows; or upon
295 * finding a NULL stack entry (which should not happen).
297 while (GET_CURRENT_ARG_TYPE (ArgTypes
))
299 if (!StackPtr
|| !*StackPtr
)
301 ACPI_ERROR ((AE_INFO
, "Null stack entry at %p",
304 return_ACPI_STATUS (AE_AML_INTERNAL
);
307 /* Extract useful items */
311 /* Decode the descriptor type */
313 switch (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc
))
315 case ACPI_DESC_TYPE_NAMED
:
319 ObjectType
= ((ACPI_NAMESPACE_NODE
*) ObjDesc
)->Type
;
322 * Resolve an alias object. The construction of these objects
323 * guarantees that there is only one level of alias indirection;
324 * thus, the attached object is always the aliased namespace node
326 if (ObjectType
== ACPI_TYPE_LOCAL_ALIAS
)
328 ObjDesc
= AcpiNsGetAttachedObject (
329 (ACPI_NAMESPACE_NODE
*) ObjDesc
);
331 ObjectType
= ((ACPI_NAMESPACE_NODE
*) ObjDesc
)->Type
;
335 case ACPI_DESC_TYPE_OPERAND
:
337 /* ACPI internal object */
339 ObjectType
= ObjDesc
->Common
.Type
;
341 /* Check for bad ACPI_OBJECT_TYPE */
343 if (!AcpiUtValidObjectType (ObjectType
))
345 ACPI_ERROR ((AE_INFO
,
346 "Bad operand object type [0x%X]", ObjectType
));
348 return_ACPI_STATUS (AE_AML_OPERAND_TYPE
);
351 if (ObjectType
== (UINT8
) ACPI_TYPE_LOCAL_REFERENCE
)
353 /* Validate the Reference */
355 switch (ObjDesc
->Reference
.Class
)
357 case ACPI_REFCLASS_DEBUG
:
359 TargetOp
= AML_DEBUG_OP
;
361 /*lint -fallthrough */
363 case ACPI_REFCLASS_ARG
:
364 case ACPI_REFCLASS_LOCAL
:
365 case ACPI_REFCLASS_INDEX
:
366 case ACPI_REFCLASS_REFOF
:
367 case ACPI_REFCLASS_TABLE
: /* DdbHandle from LOAD_OP or LOAD_TABLE_OP */
368 case ACPI_REFCLASS_NAME
: /* Reference to a named object */
370 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC
,
371 "Operand is a Reference, Class [%s] %2.2X\n",
372 AcpiUtGetReferenceName (ObjDesc
),
373 ObjDesc
->Reference
.Class
));
378 ACPI_ERROR ((AE_INFO
,
379 "Unknown Reference Class 0x%2.2X in %p",
380 ObjDesc
->Reference
.Class
, ObjDesc
));
382 return_ACPI_STATUS (AE_AML_OPERAND_TYPE
);
389 /* Invalid descriptor */
391 ACPI_ERROR ((AE_INFO
, "Invalid descriptor %p [%s]",
392 ObjDesc
, AcpiUtGetDescriptorName (ObjDesc
)));
394 return_ACPI_STATUS (AE_AML_OPERAND_TYPE
);
397 /* Get one argument type, point to the next */
399 ThisArgType
= GET_CURRENT_ARG_TYPE (ArgTypes
);
400 INCREMENT_ARG_LIST (ArgTypes
);
403 * Handle cases where the object does not need to be
404 * resolved to a value
408 case ARGI_REF_OR_STRING
: /* Can be a String or Reference */
410 if ((ACPI_GET_DESCRIPTOR_TYPE (ObjDesc
) ==
411 ACPI_DESC_TYPE_OPERAND
) &&
412 (ObjDesc
->Common
.Type
== ACPI_TYPE_STRING
))
415 * String found - the string references a named object and
416 * must be resolved to a node
422 * Else not a string - fall through to the normal Reference
425 /*lint -fallthrough */
427 case ARGI_REFERENCE
: /* References: */
428 case ARGI_INTEGER_REF
:
429 case ARGI_OBJECT_REF
:
430 case ARGI_DEVICE_REF
:
431 case ARGI_TARGETREF
: /* Allows implicit conversion rules before store */
432 case ARGI_FIXED_TARGET
: /* No implicit conversion before store to target */
433 case ARGI_SIMPLE_TARGET
: /* Name, Local, or Arg - no implicit conversion */
434 case ARGI_STORE_TARGET
:
437 * Need an operand of type ACPI_TYPE_LOCAL_REFERENCE
438 * A Namespace Node is OK as-is
440 if (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc
) == ACPI_DESC_TYPE_NAMED
)
445 Status
= AcpiExCheckObjectType (
446 ACPI_TYPE_LOCAL_REFERENCE
, ObjectType
, ObjDesc
);
447 if (ACPI_FAILURE (Status
))
449 return_ACPI_STATUS (Status
);
453 case ARGI_DATAREFOBJ
: /* Store operator only */
455 * We don't want to resolve IndexOp reference objects during
456 * a store because this would be an implicit DeRefOf operation.
457 * Instead, we just want to store the reference object.
458 * -- All others must be resolved below.
460 if ((Opcode
== AML_STORE_OP
) &&
461 ((*StackPtr
)->Common
.Type
== ACPI_TYPE_LOCAL_REFERENCE
) &&
462 ((*StackPtr
)->Reference
.Class
== ACPI_REFCLASS_INDEX
))
470 /* All cases covered above */
476 * Resolve this object to a value
478 Status
= AcpiExResolveToValue (StackPtr
, WalkState
);
479 if (ACPI_FAILURE (Status
))
481 return_ACPI_STATUS (Status
);
484 /* Get the resolved object */
489 * Check the resulting object (value) type
494 * For the simple cases, only one type of resolved object
499 /* Need an operand of type ACPI_TYPE_MUTEX */
501 TypeNeeded
= ACPI_TYPE_MUTEX
;
506 /* Need an operand of type ACPI_TYPE_EVENT */
508 TypeNeeded
= ACPI_TYPE_EVENT
;
511 case ARGI_PACKAGE
: /* Package */
513 /* Need an operand of type ACPI_TYPE_PACKAGE */
515 TypeNeeded
= ACPI_TYPE_PACKAGE
;
520 /* Any operand type will do */
522 TypeNeeded
= ACPI_TYPE_ANY
;
527 /* Need an operand of type ACPI_TYPE_DDB_HANDLE */
529 TypeNeeded
= ACPI_TYPE_LOCAL_REFERENCE
;
534 * The more complex cases allow multiple resolved object types
539 * Need an operand of type ACPI_TYPE_INTEGER, but we can
540 * implicitly convert from a STRING or BUFFER.
542 * Known as "Implicit Source Operand Conversion"
544 Status
= AcpiExConvertToInteger (ObjDesc
, StackPtr
,
545 ACPI_IMPLICIT_CONVERSION
);
546 if (ACPI_FAILURE (Status
))
548 if (Status
== AE_TYPE
)
550 ACPI_ERROR ((AE_INFO
,
551 "Needed [Integer/String/Buffer], found [%s] %p",
552 AcpiUtGetObjectTypeName (ObjDesc
), ObjDesc
));
554 return_ACPI_STATUS (AE_AML_OPERAND_TYPE
);
557 return_ACPI_STATUS (Status
);
560 if (ObjDesc
!= *StackPtr
)
562 AcpiUtRemoveReference (ObjDesc
);
568 * Need an operand of type ACPI_TYPE_BUFFER,
569 * But we can implicitly convert from a STRING or INTEGER
570 * Aka - "Implicit Source Operand Conversion"
572 Status
= AcpiExConvertToBuffer (ObjDesc
, StackPtr
);
573 if (ACPI_FAILURE (Status
))
575 if (Status
== AE_TYPE
)
577 ACPI_ERROR ((AE_INFO
,
578 "Needed [Integer/String/Buffer], found [%s] %p",
579 AcpiUtGetObjectTypeName (ObjDesc
), ObjDesc
));
581 return_ACPI_STATUS (AE_AML_OPERAND_TYPE
);
584 return_ACPI_STATUS (Status
);
587 if (ObjDesc
!= *StackPtr
)
589 AcpiUtRemoveReference (ObjDesc
);
595 * Need an operand of type ACPI_TYPE_STRING,
596 * But we can implicitly convert from a BUFFER or INTEGER
597 * Aka - "Implicit Source Operand Conversion"
599 Status
= AcpiExConvertToString (
600 ObjDesc
, StackPtr
, ACPI_IMPLICIT_CONVERT_HEX
);
601 if (ACPI_FAILURE (Status
))
603 if (Status
== AE_TYPE
)
605 ACPI_ERROR ((AE_INFO
,
606 "Needed [Integer/String/Buffer], found [%s] %p",
607 AcpiUtGetObjectTypeName (ObjDesc
), ObjDesc
));
609 return_ACPI_STATUS (AE_AML_OPERAND_TYPE
);
612 return_ACPI_STATUS (Status
);
615 if (ObjDesc
!= *StackPtr
)
617 AcpiUtRemoveReference (ObjDesc
);
621 case ARGI_COMPUTEDATA
:
623 /* Need an operand of type INTEGER, STRING or BUFFER */
625 switch (ObjDesc
->Common
.Type
)
627 case ACPI_TYPE_INTEGER
:
628 case ACPI_TYPE_STRING
:
629 case ACPI_TYPE_BUFFER
:
635 ACPI_ERROR ((AE_INFO
,
636 "Needed [Integer/String/Buffer], found [%s] %p",
637 AcpiUtGetObjectTypeName (ObjDesc
), ObjDesc
));
639 return_ACPI_STATUS (AE_AML_OPERAND_TYPE
);
643 case ARGI_BUFFER_OR_STRING
:
645 /* Need an operand of type STRING or BUFFER */
647 switch (ObjDesc
->Common
.Type
)
649 case ACPI_TYPE_STRING
:
650 case ACPI_TYPE_BUFFER
:
655 case ACPI_TYPE_INTEGER
:
657 /* Highest priority conversion is to type Buffer */
659 Status
= AcpiExConvertToBuffer (ObjDesc
, StackPtr
);
660 if (ACPI_FAILURE (Status
))
662 return_ACPI_STATUS (Status
);
665 if (ObjDesc
!= *StackPtr
)
667 AcpiUtRemoveReference (ObjDesc
);
672 ACPI_ERROR ((AE_INFO
,
673 "Needed [Integer/String/Buffer], found [%s] %p",
674 AcpiUtGetObjectTypeName (ObjDesc
), ObjDesc
));
676 return_ACPI_STATUS (AE_AML_OPERAND_TYPE
);
680 case ARGI_DATAOBJECT
:
682 * ARGI_DATAOBJECT is only used by the SizeOf operator.
683 * Need a buffer, string, package, or RefOf reference.
685 * The only reference allowed here is a direct reference to
688 switch (ObjDesc
->Common
.Type
)
690 case ACPI_TYPE_PACKAGE
:
691 case ACPI_TYPE_STRING
:
692 case ACPI_TYPE_BUFFER
:
693 case ACPI_TYPE_LOCAL_REFERENCE
:
700 ACPI_ERROR ((AE_INFO
,
701 "Needed [Buffer/String/Package/Reference], found [%s] %p",
702 AcpiUtGetObjectTypeName (ObjDesc
), ObjDesc
));
704 return_ACPI_STATUS (AE_AML_OPERAND_TYPE
);
708 case ARGI_COMPLEXOBJ
:
710 /* Need a buffer or package or (ACPI 2.0) String */
712 switch (ObjDesc
->Common
.Type
)
714 case ACPI_TYPE_PACKAGE
:
715 case ACPI_TYPE_STRING
:
716 case ACPI_TYPE_BUFFER
:
723 ACPI_ERROR ((AE_INFO
,
724 "Needed [Buffer/String/Package], found [%s] %p",
725 AcpiUtGetObjectTypeName (ObjDesc
), ObjDesc
));
727 return_ACPI_STATUS (AE_AML_OPERAND_TYPE
);
731 case ARGI_REGION_OR_BUFFER
: /* Used by Load() only */
734 * Need an operand of type REGION or a BUFFER
735 * (which could be a resolved region field)
737 switch (ObjDesc
->Common
.Type
)
739 case ACPI_TYPE_BUFFER
:
740 case ACPI_TYPE_REGION
:
747 ACPI_ERROR ((AE_INFO
,
748 "Needed [Region/Buffer], found [%s] %p",
749 AcpiUtGetObjectTypeName (ObjDesc
), ObjDesc
));
751 return_ACPI_STATUS (AE_AML_OPERAND_TYPE
);
755 case ARGI_DATAREFOBJ
:
757 /* Used by the Store() operator only */
759 switch (ObjDesc
->Common
.Type
)
761 case ACPI_TYPE_INTEGER
:
762 case ACPI_TYPE_PACKAGE
:
763 case ACPI_TYPE_STRING
:
764 case ACPI_TYPE_BUFFER
:
765 case ACPI_TYPE_BUFFER_FIELD
:
766 case ACPI_TYPE_LOCAL_REFERENCE
:
767 case ACPI_TYPE_LOCAL_REGION_FIELD
:
768 case ACPI_TYPE_LOCAL_BANK_FIELD
:
769 case ACPI_TYPE_LOCAL_INDEX_FIELD
:
770 case ACPI_TYPE_DDB_HANDLE
:
777 if (AcpiGbl_EnableInterpreterSlack
)
780 * Enable original behavior of Store(), allowing any
781 * and all objects as the source operand. The ACPI
782 * spec does not allow this, however.
787 if (TargetOp
== AML_DEBUG_OP
)
789 /* Allow store of any object to the Debug object */
794 ACPI_ERROR ((AE_INFO
,
795 "Needed Integer/Buffer/String/Package/Ref/Ddb]"
797 AcpiUtGetObjectTypeName (ObjDesc
), ObjDesc
));
799 return_ACPI_STATUS (AE_AML_OPERAND_TYPE
);
807 ACPI_ERROR ((AE_INFO
,
808 "Internal - Unknown ARGI (required operand) type 0x%X",
811 return_ACPI_STATUS (AE_BAD_PARAMETER
);
815 * Make sure that the original object was resolved to the
816 * required object type (Simple cases only).
818 Status
= AcpiExCheckObjectType (
819 TypeNeeded
, (*StackPtr
)->Common
.Type
, *StackPtr
);
820 if (ACPI_FAILURE (Status
))
822 return_ACPI_STATUS (Status
);
827 * If more operands needed, decrement StackPtr to point
828 * to next operand on stack
830 if (GET_CURRENT_ARG_TYPE (ArgTypes
))
836 ACPI_DUMP_OPERANDS (WalkState
->Operands
,
837 AcpiPsGetOpcodeName (Opcode
), WalkState
->NumOperands
);
839 return_ACPI_STATUS (Status
);