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+
+/******************************************************************************
+ *
+ * Module Name: exresop - AML Interpreter operand/object resolution
+ * $Revision: 1.95 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2007, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights. You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code. No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision. In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change. Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee. Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution. In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government. In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __EXRESOP_C__
+
+#include <contrib/dev/acpica/acpi.h>
+#include <contrib/dev/acpica/amlcode.h>
+#include <contrib/dev/acpica/acparser.h>
+#include <contrib/dev/acpica/acinterp.h>
+#include <contrib/dev/acpica/acnamesp.h>
+
+
+#define _COMPONENT ACPI_EXECUTER
+ ACPI_MODULE_NAME ("exresop")
+
+/* Local prototypes */
+
+static ACPI_STATUS
+AcpiExCheckObjectType (
+ ACPI_OBJECT_TYPE TypeNeeded,
+ ACPI_OBJECT_TYPE ThisType,
+ void *Object);
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: AcpiExCheckObjectType
+ *
+ * PARAMETERS: TypeNeeded Object type needed
+ * ThisType Actual object type
+ * Object Object pointer
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Check required type against actual type
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiExCheckObjectType (
+ ACPI_OBJECT_TYPE TypeNeeded,
+ ACPI_OBJECT_TYPE ThisType,
+ void *Object)
+{
+ ACPI_FUNCTION_ENTRY ();
+
+
+ if (TypeNeeded == ACPI_TYPE_ANY)
+ {
+ /* All types OK, so we don't perform any typechecks */
+
+ return (AE_OK);
+ }
+
+ if (TypeNeeded == ACPI_TYPE_LOCAL_REFERENCE)
+ {
+ /*
+ * Allow the AML "Constant" opcodes (Zero, One, etc.) to be reference
+ * objects and thus allow them to be targets. (As per the ACPI
+ * specification, a store to a constant is a noop.)
+ */
+ if ((ThisType == ACPI_TYPE_INTEGER) &&
+ (((ACPI_OPERAND_OBJECT *) Object)->Common.Flags & AOPOBJ_AML_CONSTANT))
+ {
+ return (AE_OK);
+ }
+ }
+
+ if (TypeNeeded != ThisType)
+ {
+ ACPI_ERROR ((AE_INFO,
+ "Needed type [%s], found [%s] %p",
+ AcpiUtGetTypeName (TypeNeeded),
+ AcpiUtGetTypeName (ThisType), Object));
+
+ return (AE_AML_OPERAND_TYPE);
+ }
+
+ return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: AcpiExResolveOperands
+ *
+ * PARAMETERS: Opcode - Opcode being interpreted
+ * StackPtr - Pointer to the operand stack to be
+ * resolved
+ * WalkState - Current state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Convert multiple input operands to the types required by the
+ * target operator.
+ *
+ * Each 5-bit group in ArgTypes represents one required
+ * operand and indicates the required Type. The corresponding operand
+ * will be converted to the required type if possible, otherwise we
+ * abort with an exception.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExResolveOperands (
+ UINT16 Opcode,
+ ACPI_OPERAND_OBJECT **StackPtr,
+ ACPI_WALK_STATE *WalkState)
+{
+ ACPI_OPERAND_OBJECT *ObjDesc;
+ ACPI_STATUS Status = AE_OK;
+ UINT8 ObjectType;
+ UINT32 ArgTypes;
+ const ACPI_OPCODE_INFO *OpInfo;
+ UINT32 ThisArgType;
+ ACPI_OBJECT_TYPE TypeNeeded;
+ UINT16 TargetOp = 0;
+
+
+ ACPI_FUNCTION_TRACE_U32 (ExResolveOperands, Opcode);
+
+
+ OpInfo = AcpiPsGetOpcodeInfo (Opcode);
+ if (OpInfo->Class == AML_CLASS_UNKNOWN)
+ {
+ return_ACPI_STATUS (AE_AML_BAD_OPCODE);
+ }
+
+ ArgTypes = OpInfo->RuntimeArgs;
+ if (ArgTypes == ARGI_INVALID_OPCODE)
+ {
+ ACPI_ERROR ((AE_INFO, "Unknown AML opcode %X",
+ Opcode));
+
+ return_ACPI_STATUS (AE_AML_INTERNAL);
+ }
+
+ ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+ "Opcode %X [%s] RequiredOperandTypes=%8.8X\n",
+ Opcode, OpInfo->Name, ArgTypes));
+
+ /*
+ * Normal exit is with (ArgTypes == 0) at end of argument list.
+ * Function will return an exception from within the loop upon
+ * finding an entry which is not (or cannot be converted
+ * to) the required type; if stack underflows; or upon
+ * finding a NULL stack entry (which should not happen).
+ */
+ while (GET_CURRENT_ARG_TYPE (ArgTypes))
+ {
+ if (!StackPtr || !*StackPtr)
+ {
+ ACPI_ERROR ((AE_INFO, "Null stack entry at %p",
+ StackPtr));
+
+ return_ACPI_STATUS (AE_AML_INTERNAL);
+ }
+
+ /* Extract useful items */
+
+ ObjDesc = *StackPtr;
+
+ /* Decode the descriptor type */
+
+ switch (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc))
+ {
+ case ACPI_DESC_TYPE_NAMED:
+
+ /* Namespace Node */
+
+ ObjectType = ((ACPI_NAMESPACE_NODE *) ObjDesc)->Type;
+
+ /*
+ * Resolve an alias object. The construction of these objects
+ * guarantees that there is only one level of alias indirection;
+ * thus, the attached object is always the aliased namespace node
+ */
+ if (ObjectType == ACPI_TYPE_LOCAL_ALIAS)
+ {
+ ObjDesc = AcpiNsGetAttachedObject ((ACPI_NAMESPACE_NODE *) ObjDesc);
+ *StackPtr = ObjDesc;
+ ObjectType = ((ACPI_NAMESPACE_NODE *) ObjDesc)->Type;
+ }
+ break;
+
+
+ case ACPI_DESC_TYPE_OPERAND:
+
+ /* ACPI internal object */
+
+ ObjectType = ACPI_GET_OBJECT_TYPE (ObjDesc);
+
+ /* Check for bad ACPI_OBJECT_TYPE */
+
+ if (!AcpiUtValidObjectType (ObjectType))
+ {
+ ACPI_ERROR ((AE_INFO,
+ "Bad operand object type [%X]",
+ ObjectType));
+
+ return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+ }
+
+ if (ObjectType == (UINT8) ACPI_TYPE_LOCAL_REFERENCE)
+ {
+ /* Decode the Reference */
+
+ OpInfo = AcpiPsGetOpcodeInfo (Opcode);
+ if (OpInfo->Class == AML_CLASS_UNKNOWN)
+ {
+ return_ACPI_STATUS (AE_AML_BAD_OPCODE);
+ }
+
+ switch (ObjDesc->Reference.Opcode)
+ {
+ case AML_DEBUG_OP:
+ TargetOp = AML_DEBUG_OP;
+
+ /*lint -fallthrough */
+
+ case AML_INDEX_OP:
+ case AML_REF_OF_OP:
+ case AML_ARG_OP:
+ case AML_LOCAL_OP:
+ case AML_LOAD_OP: /* DdbHandle from LOAD_OP or LOAD_TABLE_OP */
+ case AML_INT_NAMEPATH_OP: /* Reference to a named object */
+
+ ACPI_DEBUG_ONLY_MEMBERS (ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+ "Operand is a Reference, RefOpcode [%s]\n",
+ (AcpiPsGetOpcodeInfo (ObjDesc->Reference.Opcode))->Name)));
+ break;
+
+ default:
+ ACPI_ERROR ((AE_INFO,
+ "Operand is a Reference, Unknown Reference Opcode: %X",
+ ObjDesc->Reference.Opcode));
+
+ return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+ }
+ }
+ break;
+
+
+ default:
+
+ /* Invalid descriptor */
+
+ ACPI_ERROR ((AE_INFO,
+ "Invalid descriptor %p [%s]",
+ ObjDesc, AcpiUtGetDescriptorName (ObjDesc)));
+
+ return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+ }
+
+ /* Get one argument type, point to the next */
+
+ ThisArgType = GET_CURRENT_ARG_TYPE (ArgTypes);
+ INCREMENT_ARG_LIST (ArgTypes);
+
+ /*
+ * Handle cases where the object does not need to be
+ * resolved to a value
+ */
+ switch (ThisArgType)
+ {
+ case ARGI_REF_OR_STRING: /* Can be a String or Reference */
+
+ if ((ACPI_GET_DESCRIPTOR_TYPE (ObjDesc) == ACPI_DESC_TYPE_OPERAND) &&
+ (ACPI_GET_OBJECT_TYPE (ObjDesc) == ACPI_TYPE_STRING))
+ {
+ /*
+ * String found - the string references a named object and
+ * must be resolved to a node
+ */
+ goto NextOperand;
+ }
+
+ /*
+ * Else not a string - fall through to the normal Reference
+ * case below
+ */
+ /*lint -fallthrough */
+
+ case ARGI_REFERENCE: /* References: */
+ case ARGI_INTEGER_REF:
+ case ARGI_OBJECT_REF:
+ case ARGI_DEVICE_REF:
+ case ARGI_TARGETREF: /* Allows implicit conversion rules before store */
+ case ARGI_FIXED_TARGET: /* No implicit conversion before store to target */
+ case ARGI_SIMPLE_TARGET: /* Name, Local, or Arg - no implicit conversion */
+
+ /*
+ * Need an operand of type ACPI_TYPE_LOCAL_REFERENCE
+ * A Namespace Node is OK as-is
+ */
+ if (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc) == ACPI_DESC_TYPE_NAMED)
+ {
+ goto NextOperand;
+ }
+
+ Status = AcpiExCheckObjectType (ACPI_TYPE_LOCAL_REFERENCE,
+ ObjectType, ObjDesc);
+ if (ACPI_FAILURE (Status))
+ {
+ return_ACPI_STATUS (Status);
+ }
+ goto NextOperand;
+
+
+ case ARGI_DATAREFOBJ: /* Store operator only */
+
+ /*
+ * We don't want to resolve IndexOp reference objects during
+ * a store because this would be an implicit DeRefOf operation.
+ * Instead, we just want to store the reference object.
+ * -- All others must be resolved below.
+ */
+ if ((Opcode == AML_STORE_OP) &&
+ (ACPI_GET_OBJECT_TYPE (*StackPtr) == ACPI_TYPE_LOCAL_REFERENCE) &&
+ ((*StackPtr)->Reference.Opcode == AML_INDEX_OP))
+ {
+ goto NextOperand;
+ }
+ break;
+
+ default:
+ /* All cases covered above */
+ break;
+ }
+
+ /*
+ * Resolve this object to a value
+ */
+ Status = AcpiExResolveToValue (StackPtr, WalkState);
+ if (ACPI_FAILURE (Status))
+ {
+ return_ACPI_STATUS (Status);
+ }
+
+ /* Get the resolved object */
+
+ ObjDesc = *StackPtr;
+
+ /*
+ * Check the resulting object (value) type
+ */
+ switch (ThisArgType)
+ {
+ /*
+ * For the simple cases, only one type of resolved object
+ * is allowed
+ */
+ case ARGI_MUTEX:
+
+ /* Need an operand of type ACPI_TYPE_MUTEX */
+
+ TypeNeeded = ACPI_TYPE_MUTEX;
+ break;
+
+ case ARGI_EVENT:
+
+ /* Need an operand of type ACPI_TYPE_EVENT */
+
+ TypeNeeded = ACPI_TYPE_EVENT;
+ break;
+
+ case ARGI_PACKAGE: /* Package */
+
+ /* Need an operand of type ACPI_TYPE_PACKAGE */
+
+ TypeNeeded = ACPI_TYPE_PACKAGE;
+ break;
+
+ case ARGI_ANYTYPE:
+
+ /* Any operand type will do */
+
+ TypeNeeded = ACPI_TYPE_ANY;
+ break;
+
+ case ARGI_DDBHANDLE:
+
+ /* Need an operand of type ACPI_TYPE_DDB_HANDLE */
+
+ TypeNeeded = ACPI_TYPE_LOCAL_REFERENCE;
+ break;
+
+
+ /*
+ * The more complex cases allow multiple resolved object types
+ */
+ case ARGI_INTEGER:
+
+ /*
+ * Need an operand of type ACPI_TYPE_INTEGER,
+ * But we can implicitly convert from a STRING or BUFFER
+ * Aka - "Implicit Source Operand Conversion"
+ */
+ Status = AcpiExConvertToInteger (ObjDesc, StackPtr, 16);
+ if (ACPI_FAILURE (Status))
+ {
+ if (Status == AE_TYPE)
+ {
+ ACPI_ERROR ((AE_INFO,
+ "Needed [Integer/String/Buffer], found [%s] %p",
+ AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
+
+ return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+ }
+
+ return_ACPI_STATUS (Status);
+ }
+
+ if (ObjDesc != *StackPtr)
+ {
+ AcpiUtRemoveReference (ObjDesc);
+ }
+ goto NextOperand;
+
+
+ case ARGI_BUFFER:
+
+ /*
+ * Need an operand of type ACPI_TYPE_BUFFER,
+ * But we can implicitly convert from a STRING or INTEGER
+ * Aka - "Implicit Source Operand Conversion"
+ */
+ Status = AcpiExConvertToBuffer (ObjDesc, StackPtr);
+ if (ACPI_FAILURE (Status))
+ {
+ if (Status == AE_TYPE)
+ {
+ ACPI_ERROR ((AE_INFO,
+ "Needed [Integer/String/Buffer], found [%s] %p",
+ AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
+
+ return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+ }
+
+ return_ACPI_STATUS (Status);
+ }
+
+ if (ObjDesc != *StackPtr)
+ {
+ AcpiUtRemoveReference (ObjDesc);
+ }
+ goto NextOperand;
+
+
+ case ARGI_STRING:
+
+ /*
+ * Need an operand of type ACPI_TYPE_STRING,
+ * But we can implicitly convert from a BUFFER or INTEGER
+ * Aka - "Implicit Source Operand Conversion"
+ */
+ Status = AcpiExConvertToString (ObjDesc, StackPtr,
+ ACPI_IMPLICIT_CONVERT_HEX);
+ if (ACPI_FAILURE (Status))
+ {
+ if (Status == AE_TYPE)
+ {
+ ACPI_ERROR ((AE_INFO,
+ "Needed [Integer/String/Buffer], found [%s] %p",
+ AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
+
+ return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+ }
+
+ return_ACPI_STATUS (Status);
+ }
+
+ if (ObjDesc != *StackPtr)
+ {
+ AcpiUtRemoveReference (ObjDesc);
+ }
+ goto NextOperand;
+
+
+ case ARGI_COMPUTEDATA:
+
+ /* Need an operand of type INTEGER, STRING or BUFFER */
+
+ switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
+ {
+ case ACPI_TYPE_INTEGER:
+ case ACPI_TYPE_STRING:
+ case ACPI_TYPE_BUFFER:
+
+ /* Valid operand */
+ break;
+
+ default:
+ ACPI_ERROR ((AE_INFO,
+ "Needed [Integer/String/Buffer], found [%s] %p",
+ AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
+
+ return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+ }
+ goto NextOperand;
+
+
+ case ARGI_BUFFER_OR_STRING:
+
+ /* Need an operand of type STRING or BUFFER */
+
+ switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
+ {
+ case ACPI_TYPE_STRING:
+ case ACPI_TYPE_BUFFER:
+
+ /* Valid operand */
+ break;
+
+ case ACPI_TYPE_INTEGER:
+
+ /* Highest priority conversion is to type Buffer */
+
+ Status = AcpiExConvertToBuffer (ObjDesc, StackPtr);
+ if (ACPI_FAILURE (Status))
+ {
+ return_ACPI_STATUS (Status);
+ }
+
+ if (ObjDesc != *StackPtr)
+ {
+ AcpiUtRemoveReference (ObjDesc);
+ }
+ break;
+
+ default:
+ ACPI_ERROR ((AE_INFO,
+ "Needed [Integer/String/Buffer], found [%s] %p",
+ AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
+
+ return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+ }
+ goto NextOperand;
+
+
+ case ARGI_DATAOBJECT:
+ /*
+ * ARGI_DATAOBJECT is only used by the SizeOf operator.
+ * Need a buffer, string, package, or RefOf reference.
+ *
+ * The only reference allowed here is a direct reference to
+ * a namespace node.
+ */
+ switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
+ {
+ case ACPI_TYPE_PACKAGE:
+ case ACPI_TYPE_STRING:
+ case ACPI_TYPE_BUFFER:
+ case ACPI_TYPE_LOCAL_REFERENCE:
+
+ /* Valid operand */
+ break;
+
+ default:
+ ACPI_ERROR ((AE_INFO,
+ "Needed [Buffer/String/Package/Reference], found [%s] %p",
+ AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
+
+ return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+ }
+ goto NextOperand;
+
+
+ case ARGI_COMPLEXOBJ:
+
+ /* Need a buffer or package or (ACPI 2.0) String */
+
+ switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
+ {
+ case ACPI_TYPE_PACKAGE:
+ case ACPI_TYPE_STRING:
+ case ACPI_TYPE_BUFFER:
+
+ /* Valid operand */
+ break;
+
+ default:
+ ACPI_ERROR ((AE_INFO,
+ "Needed [Buffer/String/Package], found [%s] %p",
+ AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
+
+ return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+ }
+ goto NextOperand;
+
+
+ case ARGI_REGION_OR_BUFFER: /* Used by Load() only */
+
+ /* Need an operand of type REGION or a BUFFER (which could be a resolved region field) */
+
+ switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
+ {
+ case ACPI_TYPE_BUFFER:
+ case ACPI_TYPE_REGION:
+
+ /* Valid operand */
+ break;
+
+ default:
+ ACPI_ERROR ((AE_INFO,
+ "Needed [Region/Buffer], found [%s] %p",
+ AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
+
+ return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+ }
+ goto NextOperand;
+
+
+ case ARGI_DATAREFOBJ:
+
+ /* Used by the Store() operator only */
+
+ switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
+ {
+ case ACPI_TYPE_INTEGER:
+ case ACPI_TYPE_PACKAGE:
+ case ACPI_TYPE_STRING:
+ case ACPI_TYPE_BUFFER:
+ case ACPI_TYPE_BUFFER_FIELD:
+ case ACPI_TYPE_LOCAL_REFERENCE:
+ case ACPI_TYPE_LOCAL_REGION_FIELD:
+ case ACPI_TYPE_LOCAL_BANK_FIELD:
+ case ACPI_TYPE_LOCAL_INDEX_FIELD:
+ case ACPI_TYPE_DDB_HANDLE:
+
+ /* Valid operand */
+ break;
+
+ default:
+
+ if (AcpiGbl_EnableInterpreterSlack)
+ {
+ /*
+ * Enable original behavior of Store(), allowing any and all
+ * objects as the source operand. The ACPI spec does not
+ * allow this, however.
+ */
+ break;
+ }
+
+ if (TargetOp == AML_DEBUG_OP)
+ {
+ /* Allow store of any object to the Debug object */
+
+ break;
+ }
+
+ ACPI_ERROR ((AE_INFO,
+ "Needed Integer/Buffer/String/Package/Ref/Ddb], found [%s] %p",
+ AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
+
+ return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+ }
+ goto NextOperand;
+
+
+ default:
+
+ /* Unknown type */
+
+ ACPI_ERROR ((AE_INFO,
+ "Internal - Unknown ARGI (required operand) type %X",
+ ThisArgType));
+
+ return_ACPI_STATUS (AE_BAD_PARAMETER);
+ }
+
+ /*
+ * Make sure that the original object was resolved to the
+ * required object type (Simple cases only).
+ */
+ Status = AcpiExCheckObjectType (TypeNeeded,
+ ACPI_GET_OBJECT_TYPE (*StackPtr), *StackPtr);
+ if (ACPI_FAILURE (Status))
+ {
+ return_ACPI_STATUS (Status);
+ }
+
+NextOperand:
+ /*
+ * If more operands needed, decrement StackPtr to point
+ * to next operand on stack
+ */
+ if (GET_CURRENT_ARG_TYPE (ArgTypes))
+ {
+ StackPtr--;
+ }
+ }
+
+ return_ACPI_STATUS (Status);
+}
+
+
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