17851SDana.Myers@Sun.COM /******************************************************************************
27851SDana.Myers@Sun.COM *
37851SDana.Myers@Sun.COM * Module Name: dsobject - Dispatcher object management routines
47851SDana.Myers@Sun.COM *
57851SDana.Myers@Sun.COM *****************************************************************************/
67851SDana.Myers@Sun.COM
77851SDana.Myers@Sun.COM /******************************************************************************
87851SDana.Myers@Sun.COM *
97851SDana.Myers@Sun.COM * 1. Copyright Notice
107851SDana.Myers@Sun.COM *
119980SDana.Myers@Sun.COM * Some or all of this work - Copyright (c) 1999 - 2009, Intel Corp.
127851SDana.Myers@Sun.COM * All rights reserved.
137851SDana.Myers@Sun.COM *
147851SDana.Myers@Sun.COM * 2. License
157851SDana.Myers@Sun.COM *
167851SDana.Myers@Sun.COM * 2.1. This is your license from Intel Corp. under its intellectual property
177851SDana.Myers@Sun.COM * rights. You may have additional license terms from the party that provided
187851SDana.Myers@Sun.COM * you this software, covering your right to use that party's intellectual
197851SDana.Myers@Sun.COM * property rights.
207851SDana.Myers@Sun.COM *
217851SDana.Myers@Sun.COM * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
227851SDana.Myers@Sun.COM * copy of the source code appearing in this file ("Covered Code") an
237851SDana.Myers@Sun.COM * irrevocable, perpetual, worldwide license under Intel's copyrights in the
247851SDana.Myers@Sun.COM * base code distributed originally by Intel ("Original Intel Code") to copy,
257851SDana.Myers@Sun.COM * make derivatives, distribute, use and display any portion of the Covered
267851SDana.Myers@Sun.COM * Code in any form, with the right to sublicense such rights; and
277851SDana.Myers@Sun.COM *
287851SDana.Myers@Sun.COM * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
297851SDana.Myers@Sun.COM * license (with the right to sublicense), under only those claims of Intel
307851SDana.Myers@Sun.COM * patents that are infringed by the Original Intel Code, to make, use, sell,
317851SDana.Myers@Sun.COM * offer to sell, and import the Covered Code and derivative works thereof
327851SDana.Myers@Sun.COM * solely to the minimum extent necessary to exercise the above copyright
337851SDana.Myers@Sun.COM * license, and in no event shall the patent license extend to any additions
347851SDana.Myers@Sun.COM * to or modifications of the Original Intel Code. No other license or right
357851SDana.Myers@Sun.COM * is granted directly or by implication, estoppel or otherwise;
367851SDana.Myers@Sun.COM *
377851SDana.Myers@Sun.COM * The above copyright and patent license is granted only if the following
387851SDana.Myers@Sun.COM * conditions are met:
397851SDana.Myers@Sun.COM *
407851SDana.Myers@Sun.COM * 3. Conditions
417851SDana.Myers@Sun.COM *
427851SDana.Myers@Sun.COM * 3.1. Redistribution of Source with Rights to Further Distribute Source.
437851SDana.Myers@Sun.COM * Redistribution of source code of any substantial portion of the Covered
447851SDana.Myers@Sun.COM * Code or modification with rights to further distribute source must include
457851SDana.Myers@Sun.COM * the above Copyright Notice, the above License, this list of Conditions,
467851SDana.Myers@Sun.COM * and the following Disclaimer and Export Compliance provision. In addition,
477851SDana.Myers@Sun.COM * Licensee must cause all Covered Code to which Licensee contributes to
487851SDana.Myers@Sun.COM * contain a file documenting the changes Licensee made to create that Covered
497851SDana.Myers@Sun.COM * Code and the date of any change. Licensee must include in that file the
507851SDana.Myers@Sun.COM * documentation of any changes made by any predecessor Licensee. Licensee
517851SDana.Myers@Sun.COM * must include a prominent statement that the modification is derived,
527851SDana.Myers@Sun.COM * directly or indirectly, from Original Intel Code.
537851SDana.Myers@Sun.COM *
547851SDana.Myers@Sun.COM * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
557851SDana.Myers@Sun.COM * Redistribution of source code of any substantial portion of the Covered
567851SDana.Myers@Sun.COM * Code or modification without rights to further distribute source must
577851SDana.Myers@Sun.COM * include the following Disclaimer and Export Compliance provision in the
587851SDana.Myers@Sun.COM * documentation and/or other materials provided with distribution. In
597851SDana.Myers@Sun.COM * addition, Licensee may not authorize further sublicense of source of any
607851SDana.Myers@Sun.COM * portion of the Covered Code, and must include terms to the effect that the
617851SDana.Myers@Sun.COM * license from Licensee to its licensee is limited to the intellectual
627851SDana.Myers@Sun.COM * property embodied in the software Licensee provides to its licensee, and
637851SDana.Myers@Sun.COM * not to intellectual property embodied in modifications its licensee may
647851SDana.Myers@Sun.COM * make.
657851SDana.Myers@Sun.COM *
667851SDana.Myers@Sun.COM * 3.3. Redistribution of Executable. Redistribution in executable form of any
677851SDana.Myers@Sun.COM * substantial portion of the Covered Code or modification must reproduce the
687851SDana.Myers@Sun.COM * above Copyright Notice, and the following Disclaimer and Export Compliance
697851SDana.Myers@Sun.COM * provision in the documentation and/or other materials provided with the
707851SDana.Myers@Sun.COM * distribution.
717851SDana.Myers@Sun.COM *
727851SDana.Myers@Sun.COM * 3.4. Intel retains all right, title, and interest in and to the Original
737851SDana.Myers@Sun.COM * Intel Code.
747851SDana.Myers@Sun.COM *
757851SDana.Myers@Sun.COM * 3.5. Neither the name Intel nor any other trademark owned or controlled by
767851SDana.Myers@Sun.COM * Intel shall be used in advertising or otherwise to promote the sale, use or
777851SDana.Myers@Sun.COM * other dealings in products derived from or relating to the Covered Code
787851SDana.Myers@Sun.COM * without prior written authorization from Intel.
797851SDana.Myers@Sun.COM *
807851SDana.Myers@Sun.COM * 4. Disclaimer and Export Compliance
817851SDana.Myers@Sun.COM *
827851SDana.Myers@Sun.COM * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
837851SDana.Myers@Sun.COM * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
847851SDana.Myers@Sun.COM * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
857851SDana.Myers@Sun.COM * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
867851SDana.Myers@Sun.COM * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
877851SDana.Myers@Sun.COM * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
887851SDana.Myers@Sun.COM * PARTICULAR PURPOSE.
897851SDana.Myers@Sun.COM *
907851SDana.Myers@Sun.COM * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
917851SDana.Myers@Sun.COM * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
927851SDana.Myers@Sun.COM * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
937851SDana.Myers@Sun.COM * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
947851SDana.Myers@Sun.COM * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
957851SDana.Myers@Sun.COM * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
967851SDana.Myers@Sun.COM * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
977851SDana.Myers@Sun.COM * LIMITED REMEDY.
987851SDana.Myers@Sun.COM *
997851SDana.Myers@Sun.COM * 4.3. Licensee shall not export, either directly or indirectly, any of this
1007851SDana.Myers@Sun.COM * software or system incorporating such software without first obtaining any
1017851SDana.Myers@Sun.COM * required license or other approval from the U. S. Department of Commerce or
1027851SDana.Myers@Sun.COM * any other agency or department of the United States Government. In the
1037851SDana.Myers@Sun.COM * event Licensee exports any such software from the United States or
1047851SDana.Myers@Sun.COM * re-exports any such software from a foreign destination, Licensee shall
1057851SDana.Myers@Sun.COM * ensure that the distribution and export/re-export of the software is in
1067851SDana.Myers@Sun.COM * compliance with all laws, regulations, orders, or other restrictions of the
1077851SDana.Myers@Sun.COM * U.S. Export Administration Regulations. Licensee agrees that neither it nor
1087851SDana.Myers@Sun.COM * any of its subsidiaries will export/re-export any technical data, process,
1097851SDana.Myers@Sun.COM * software, or service, directly or indirectly, to any country for which the
1107851SDana.Myers@Sun.COM * United States government or any agency thereof requires an export license,
1117851SDana.Myers@Sun.COM * other governmental approval, or letter of assurance, without first obtaining
1127851SDana.Myers@Sun.COM * such license, approval or letter.
1137851SDana.Myers@Sun.COM *
1147851SDana.Myers@Sun.COM *****************************************************************************/
1157851SDana.Myers@Sun.COM
1167851SDana.Myers@Sun.COM #define __DSOBJECT_C__
1177851SDana.Myers@Sun.COM
1187851SDana.Myers@Sun.COM #include "acpi.h"
1199980SDana.Myers@Sun.COM #include "accommon.h"
1207851SDana.Myers@Sun.COM #include "acparser.h"
1217851SDana.Myers@Sun.COM #include "amlcode.h"
1227851SDana.Myers@Sun.COM #include "acdispat.h"
1237851SDana.Myers@Sun.COM #include "acnamesp.h"
1247851SDana.Myers@Sun.COM #include "acinterp.h"
1257851SDana.Myers@Sun.COM
1267851SDana.Myers@Sun.COM #define _COMPONENT ACPI_DISPATCHER
1277851SDana.Myers@Sun.COM ACPI_MODULE_NAME ("dsobject")
1287851SDana.Myers@Sun.COM
1297851SDana.Myers@Sun.COM /* Local prototypes */
1307851SDana.Myers@Sun.COM
1317851SDana.Myers@Sun.COM static ACPI_STATUS
1327851SDana.Myers@Sun.COM AcpiDsBuildInternalObject (
1337851SDana.Myers@Sun.COM ACPI_WALK_STATE *WalkState,
1347851SDana.Myers@Sun.COM ACPI_PARSE_OBJECT *Op,
1357851SDana.Myers@Sun.COM ACPI_OPERAND_OBJECT **ObjDescPtr);
1367851SDana.Myers@Sun.COM
1377851SDana.Myers@Sun.COM
1387851SDana.Myers@Sun.COM #ifndef ACPI_NO_METHOD_EXECUTION
1397851SDana.Myers@Sun.COM /*******************************************************************************
1407851SDana.Myers@Sun.COM *
1417851SDana.Myers@Sun.COM * FUNCTION: AcpiDsBuildInternalObject
1427851SDana.Myers@Sun.COM *
1437851SDana.Myers@Sun.COM * PARAMETERS: WalkState - Current walk state
1447851SDana.Myers@Sun.COM * Op - Parser object to be translated
1457851SDana.Myers@Sun.COM * ObjDescPtr - Where the ACPI internal object is returned
1467851SDana.Myers@Sun.COM *
1477851SDana.Myers@Sun.COM * RETURN: Status
1487851SDana.Myers@Sun.COM *
1497851SDana.Myers@Sun.COM * DESCRIPTION: Translate a parser Op object to the equivalent namespace object
1507851SDana.Myers@Sun.COM * Simple objects are any objects other than a package object!
1517851SDana.Myers@Sun.COM *
1527851SDana.Myers@Sun.COM ******************************************************************************/
1537851SDana.Myers@Sun.COM
1547851SDana.Myers@Sun.COM static ACPI_STATUS
AcpiDsBuildInternalObject(ACPI_WALK_STATE * WalkState,ACPI_PARSE_OBJECT * Op,ACPI_OPERAND_OBJECT ** ObjDescPtr)1557851SDana.Myers@Sun.COM AcpiDsBuildInternalObject (
1567851SDana.Myers@Sun.COM ACPI_WALK_STATE *WalkState,
1577851SDana.Myers@Sun.COM ACPI_PARSE_OBJECT *Op,
1587851SDana.Myers@Sun.COM ACPI_OPERAND_OBJECT **ObjDescPtr)
1597851SDana.Myers@Sun.COM {
1607851SDana.Myers@Sun.COM ACPI_OPERAND_OBJECT *ObjDesc;
1617851SDana.Myers@Sun.COM ACPI_STATUS Status;
1627851SDana.Myers@Sun.COM
1637851SDana.Myers@Sun.COM
1647851SDana.Myers@Sun.COM ACPI_FUNCTION_TRACE (DsBuildInternalObject);
1657851SDana.Myers@Sun.COM
1667851SDana.Myers@Sun.COM
1677851SDana.Myers@Sun.COM *ObjDescPtr = NULL;
1687851SDana.Myers@Sun.COM if (Op->Common.AmlOpcode == AML_INT_NAMEPATH_OP)
1697851SDana.Myers@Sun.COM {
1707851SDana.Myers@Sun.COM /*
1717851SDana.Myers@Sun.COM * This is a named object reference. If this name was
1727851SDana.Myers@Sun.COM * previously looked up in the namespace, it was stored in this op.
1737851SDana.Myers@Sun.COM * Otherwise, go ahead and look it up now
1747851SDana.Myers@Sun.COM */
1757851SDana.Myers@Sun.COM if (!Op->Common.Node)
1767851SDana.Myers@Sun.COM {
1777851SDana.Myers@Sun.COM Status = AcpiNsLookup (WalkState->ScopeInfo,
1787851SDana.Myers@Sun.COM Op->Common.Value.String,
1797851SDana.Myers@Sun.COM ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
1807851SDana.Myers@Sun.COM ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE, NULL,
1817851SDana.Myers@Sun.COM ACPI_CAST_INDIRECT_PTR (ACPI_NAMESPACE_NODE, &(Op->Common.Node)));
1827851SDana.Myers@Sun.COM if (ACPI_FAILURE (Status))
1837851SDana.Myers@Sun.COM {
1847851SDana.Myers@Sun.COM /* Check if we are resolving a named reference within a package */
1857851SDana.Myers@Sun.COM
1867851SDana.Myers@Sun.COM if ((Status == AE_NOT_FOUND) && (AcpiGbl_EnableInterpreterSlack) &&
1877851SDana.Myers@Sun.COM
1887851SDana.Myers@Sun.COM ((Op->Common.Parent->Common.AmlOpcode == AML_PACKAGE_OP) ||
1897851SDana.Myers@Sun.COM (Op->Common.Parent->Common.AmlOpcode == AML_VAR_PACKAGE_OP)))
1907851SDana.Myers@Sun.COM {
1917851SDana.Myers@Sun.COM /*
1927851SDana.Myers@Sun.COM * We didn't find the target and we are populating elements
1937851SDana.Myers@Sun.COM * of a package - ignore if slack enabled. Some ASL code
1947851SDana.Myers@Sun.COM * contains dangling invalid references in packages and
1957851SDana.Myers@Sun.COM * expects that no exception will be issued. Leave the
1967851SDana.Myers@Sun.COM * element as a null element. It cannot be used, but it
1977851SDana.Myers@Sun.COM * can be overwritten by subsequent ASL code - this is
1987851SDana.Myers@Sun.COM * typically the case.
1997851SDana.Myers@Sun.COM */
2007851SDana.Myers@Sun.COM ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
2017851SDana.Myers@Sun.COM "Ignoring unresolved reference in package [%4.4s]\n",
2027851SDana.Myers@Sun.COM WalkState->ScopeInfo->Scope.Node->Name.Ascii));
2037851SDana.Myers@Sun.COM
2047851SDana.Myers@Sun.COM return_ACPI_STATUS (AE_OK);
2057851SDana.Myers@Sun.COM }
2067851SDana.Myers@Sun.COM else
2077851SDana.Myers@Sun.COM {
2087851SDana.Myers@Sun.COM ACPI_ERROR_NAMESPACE (Op->Common.Value.String, Status);
2097851SDana.Myers@Sun.COM }
2107851SDana.Myers@Sun.COM
2117851SDana.Myers@Sun.COM return_ACPI_STATUS (Status);
2127851SDana.Myers@Sun.COM }
2137851SDana.Myers@Sun.COM }
2147851SDana.Myers@Sun.COM
2157851SDana.Myers@Sun.COM /* Special object resolution for elements of a package */
2167851SDana.Myers@Sun.COM
2177851SDana.Myers@Sun.COM if ((Op->Common.Parent->Common.AmlOpcode == AML_PACKAGE_OP) ||
2187851SDana.Myers@Sun.COM (Op->Common.Parent->Common.AmlOpcode == AML_VAR_PACKAGE_OP))
2197851SDana.Myers@Sun.COM {
2207851SDana.Myers@Sun.COM /*
2217851SDana.Myers@Sun.COM * Attempt to resolve the node to a value before we insert it into
2227851SDana.Myers@Sun.COM * the package. If this is a reference to a common data type,
2237851SDana.Myers@Sun.COM * resolve it immediately. According to the ACPI spec, package
2247851SDana.Myers@Sun.COM * elements can only be "data objects" or method references.
2257851SDana.Myers@Sun.COM * Attempt to resolve to an Integer, Buffer, String or Package.
2267851SDana.Myers@Sun.COM * If cannot, return the named reference (for things like Devices,
2277851SDana.Myers@Sun.COM * Methods, etc.) Buffer Fields and Fields will resolve to simple
2287851SDana.Myers@Sun.COM * objects (int/buf/str/pkg).
2297851SDana.Myers@Sun.COM *
2307851SDana.Myers@Sun.COM * NOTE: References to things like Devices, Methods, Mutexes, etc.
2317851SDana.Myers@Sun.COM * will remain as named references. This behavior is not described
2327851SDana.Myers@Sun.COM * in the ACPI spec, but it appears to be an oversight.
2337851SDana.Myers@Sun.COM */
2347851SDana.Myers@Sun.COM ObjDesc = ACPI_CAST_PTR (ACPI_OPERAND_OBJECT, Op->Common.Node);
2357851SDana.Myers@Sun.COM
2367851SDana.Myers@Sun.COM Status = AcpiExResolveNodeToValue (
2377851SDana.Myers@Sun.COM ACPI_CAST_INDIRECT_PTR (ACPI_NAMESPACE_NODE, &ObjDesc),
2387851SDana.Myers@Sun.COM WalkState);
2397851SDana.Myers@Sun.COM if (ACPI_FAILURE (Status))
2407851SDana.Myers@Sun.COM {
2417851SDana.Myers@Sun.COM return_ACPI_STATUS (Status);
2427851SDana.Myers@Sun.COM }
2437851SDana.Myers@Sun.COM
2447851SDana.Myers@Sun.COM switch (Op->Common.Node->Type)
2457851SDana.Myers@Sun.COM {
2467851SDana.Myers@Sun.COM /*
2477851SDana.Myers@Sun.COM * For these types, we need the actual node, not the subobject.
2487851SDana.Myers@Sun.COM * However, the subobject did not get an extra reference count above.
2497851SDana.Myers@Sun.COM *
2507851SDana.Myers@Sun.COM * TBD: should ExResolveNodeToValue be changed to fix this?
2517851SDana.Myers@Sun.COM */
2527851SDana.Myers@Sun.COM case ACPI_TYPE_DEVICE:
2537851SDana.Myers@Sun.COM case ACPI_TYPE_THERMAL:
2547851SDana.Myers@Sun.COM
2557851SDana.Myers@Sun.COM AcpiUtAddReference (Op->Common.Node->Object);
2567851SDana.Myers@Sun.COM
2577851SDana.Myers@Sun.COM /*lint -fallthrough */
2587851SDana.Myers@Sun.COM /*
2597851SDana.Myers@Sun.COM * For these types, we need the actual node, not the subobject.
2607851SDana.Myers@Sun.COM * The subobject got an extra reference count in ExResolveNodeToValue.
2617851SDana.Myers@Sun.COM */
2627851SDana.Myers@Sun.COM case ACPI_TYPE_MUTEX:
2637851SDana.Myers@Sun.COM case ACPI_TYPE_METHOD:
2647851SDana.Myers@Sun.COM case ACPI_TYPE_POWER:
2657851SDana.Myers@Sun.COM case ACPI_TYPE_PROCESSOR:
2667851SDana.Myers@Sun.COM case ACPI_TYPE_EVENT:
2677851SDana.Myers@Sun.COM case ACPI_TYPE_REGION:
2687851SDana.Myers@Sun.COM
2697851SDana.Myers@Sun.COM /* We will create a reference object for these types below */
2707851SDana.Myers@Sun.COM break;
2717851SDana.Myers@Sun.COM
2727851SDana.Myers@Sun.COM default:
2737851SDana.Myers@Sun.COM /*
2747851SDana.Myers@Sun.COM * All other types - the node was resolved to an actual
2757851SDana.Myers@Sun.COM * object, we are done.
2767851SDana.Myers@Sun.COM */
2777851SDana.Myers@Sun.COM goto Exit;
2787851SDana.Myers@Sun.COM }
2797851SDana.Myers@Sun.COM }
2807851SDana.Myers@Sun.COM }
2817851SDana.Myers@Sun.COM
2827851SDana.Myers@Sun.COM /* Create and init a new internal ACPI object */
2837851SDana.Myers@Sun.COM
2847851SDana.Myers@Sun.COM ObjDesc = AcpiUtCreateInternalObject (
2857851SDana.Myers@Sun.COM (AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode))->ObjectType);
2867851SDana.Myers@Sun.COM if (!ObjDesc)
2877851SDana.Myers@Sun.COM {
2887851SDana.Myers@Sun.COM return_ACPI_STATUS (AE_NO_MEMORY);
2897851SDana.Myers@Sun.COM }
2907851SDana.Myers@Sun.COM
2917851SDana.Myers@Sun.COM Status = AcpiDsInitObjectFromOp (WalkState, Op, Op->Common.AmlOpcode,
2927851SDana.Myers@Sun.COM &ObjDesc);
2937851SDana.Myers@Sun.COM if (ACPI_FAILURE (Status))
2947851SDana.Myers@Sun.COM {
2957851SDana.Myers@Sun.COM AcpiUtRemoveReference (ObjDesc);
2967851SDana.Myers@Sun.COM return_ACPI_STATUS (Status);
2977851SDana.Myers@Sun.COM }
2987851SDana.Myers@Sun.COM
2997851SDana.Myers@Sun.COM Exit:
3007851SDana.Myers@Sun.COM *ObjDescPtr = ObjDesc;
3017851SDana.Myers@Sun.COM return_ACPI_STATUS (Status);
3027851SDana.Myers@Sun.COM }
3037851SDana.Myers@Sun.COM
3047851SDana.Myers@Sun.COM
3057851SDana.Myers@Sun.COM /*******************************************************************************
3067851SDana.Myers@Sun.COM *
3077851SDana.Myers@Sun.COM * FUNCTION: AcpiDsBuildInternalBufferObj
3087851SDana.Myers@Sun.COM *
3097851SDana.Myers@Sun.COM * PARAMETERS: WalkState - Current walk state
3107851SDana.Myers@Sun.COM * Op - Parser object to be translated
3117851SDana.Myers@Sun.COM * BufferLength - Length of the buffer
3127851SDana.Myers@Sun.COM * ObjDescPtr - Where the ACPI internal object is returned
3137851SDana.Myers@Sun.COM *
3147851SDana.Myers@Sun.COM * RETURN: Status
3157851SDana.Myers@Sun.COM *
3167851SDana.Myers@Sun.COM * DESCRIPTION: Translate a parser Op package object to the equivalent
3177851SDana.Myers@Sun.COM * namespace object
3187851SDana.Myers@Sun.COM *
3197851SDana.Myers@Sun.COM ******************************************************************************/
3207851SDana.Myers@Sun.COM
3217851SDana.Myers@Sun.COM ACPI_STATUS
AcpiDsBuildInternalBufferObj(ACPI_WALK_STATE * WalkState,ACPI_PARSE_OBJECT * Op,UINT32 BufferLength,ACPI_OPERAND_OBJECT ** ObjDescPtr)3227851SDana.Myers@Sun.COM AcpiDsBuildInternalBufferObj (
3237851SDana.Myers@Sun.COM ACPI_WALK_STATE *WalkState,
3247851SDana.Myers@Sun.COM ACPI_PARSE_OBJECT *Op,
3257851SDana.Myers@Sun.COM UINT32 BufferLength,
3267851SDana.Myers@Sun.COM ACPI_OPERAND_OBJECT **ObjDescPtr)
3277851SDana.Myers@Sun.COM {
3287851SDana.Myers@Sun.COM ACPI_PARSE_OBJECT *Arg;
3297851SDana.Myers@Sun.COM ACPI_OPERAND_OBJECT *ObjDesc;
3307851SDana.Myers@Sun.COM ACPI_PARSE_OBJECT *ByteList;
3317851SDana.Myers@Sun.COM UINT32 ByteListLength = 0;
3327851SDana.Myers@Sun.COM
3337851SDana.Myers@Sun.COM
3347851SDana.Myers@Sun.COM ACPI_FUNCTION_TRACE (DsBuildInternalBufferObj);
3357851SDana.Myers@Sun.COM
3367851SDana.Myers@Sun.COM
3377851SDana.Myers@Sun.COM /*
3387851SDana.Myers@Sun.COM * If we are evaluating a Named buffer object "Name (xxxx, Buffer)".
3397851SDana.Myers@Sun.COM * The buffer object already exists (from the NS node), otherwise it must
3407851SDana.Myers@Sun.COM * be created.
3417851SDana.Myers@Sun.COM */
3427851SDana.Myers@Sun.COM ObjDesc = *ObjDescPtr;
3437851SDana.Myers@Sun.COM if (!ObjDesc)
3447851SDana.Myers@Sun.COM {
3457851SDana.Myers@Sun.COM /* Create a new buffer object */
3467851SDana.Myers@Sun.COM
3477851SDana.Myers@Sun.COM ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_BUFFER);
3487851SDana.Myers@Sun.COM *ObjDescPtr = ObjDesc;
3497851SDana.Myers@Sun.COM if (!ObjDesc)
3507851SDana.Myers@Sun.COM {
3517851SDana.Myers@Sun.COM return_ACPI_STATUS (AE_NO_MEMORY);
3527851SDana.Myers@Sun.COM }
3537851SDana.Myers@Sun.COM }
3547851SDana.Myers@Sun.COM
3557851SDana.Myers@Sun.COM /*
3567851SDana.Myers@Sun.COM * Second arg is the buffer data (optional) ByteList can be either
3577851SDana.Myers@Sun.COM * individual bytes or a string initializer. In either case, a
3587851SDana.Myers@Sun.COM * ByteList appears in the AML.
3597851SDana.Myers@Sun.COM */
3607851SDana.Myers@Sun.COM Arg = Op->Common.Value.Arg; /* skip first arg */
3617851SDana.Myers@Sun.COM
3627851SDana.Myers@Sun.COM ByteList = Arg->Named.Next;
3637851SDana.Myers@Sun.COM if (ByteList)
3647851SDana.Myers@Sun.COM {
3657851SDana.Myers@Sun.COM if (ByteList->Common.AmlOpcode != AML_INT_BYTELIST_OP)
3667851SDana.Myers@Sun.COM {
3677851SDana.Myers@Sun.COM ACPI_ERROR ((AE_INFO,
3687851SDana.Myers@Sun.COM "Expecting bytelist, got AML opcode %X in op %p",
3697851SDana.Myers@Sun.COM ByteList->Common.AmlOpcode, ByteList));
3707851SDana.Myers@Sun.COM
3717851SDana.Myers@Sun.COM AcpiUtRemoveReference (ObjDesc);
3727851SDana.Myers@Sun.COM return (AE_TYPE);
3737851SDana.Myers@Sun.COM }
3747851SDana.Myers@Sun.COM
3757851SDana.Myers@Sun.COM ByteListLength = (UINT32) ByteList->Common.Value.Integer;
3767851SDana.Myers@Sun.COM }
3777851SDana.Myers@Sun.COM
3787851SDana.Myers@Sun.COM /*
3797851SDana.Myers@Sun.COM * The buffer length (number of bytes) will be the larger of:
3807851SDana.Myers@Sun.COM * 1) The specified buffer length and
3817851SDana.Myers@Sun.COM * 2) The length of the initializer byte list
3827851SDana.Myers@Sun.COM */
3837851SDana.Myers@Sun.COM ObjDesc->Buffer.Length = BufferLength;
3847851SDana.Myers@Sun.COM if (ByteListLength > BufferLength)
3857851SDana.Myers@Sun.COM {
3867851SDana.Myers@Sun.COM ObjDesc->Buffer.Length = ByteListLength;
3877851SDana.Myers@Sun.COM }
3887851SDana.Myers@Sun.COM
3897851SDana.Myers@Sun.COM /* Allocate the buffer */
3907851SDana.Myers@Sun.COM
3917851SDana.Myers@Sun.COM if (ObjDesc->Buffer.Length == 0)
3927851SDana.Myers@Sun.COM {
3937851SDana.Myers@Sun.COM ObjDesc->Buffer.Pointer = NULL;
3947851SDana.Myers@Sun.COM ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
3957851SDana.Myers@Sun.COM "Buffer defined with zero length in AML, creating\n"));
3967851SDana.Myers@Sun.COM }
3977851SDana.Myers@Sun.COM else
3987851SDana.Myers@Sun.COM {
3997851SDana.Myers@Sun.COM ObjDesc->Buffer.Pointer = ACPI_ALLOCATE_ZEROED (
4007851SDana.Myers@Sun.COM ObjDesc->Buffer.Length);
4017851SDana.Myers@Sun.COM if (!ObjDesc->Buffer.Pointer)
4027851SDana.Myers@Sun.COM {
4037851SDana.Myers@Sun.COM AcpiUtDeleteObjectDesc (ObjDesc);
4047851SDana.Myers@Sun.COM return_ACPI_STATUS (AE_NO_MEMORY);
4057851SDana.Myers@Sun.COM }
4067851SDana.Myers@Sun.COM
4077851SDana.Myers@Sun.COM /* Initialize buffer from the ByteList (if present) */
4087851SDana.Myers@Sun.COM
4097851SDana.Myers@Sun.COM if (ByteList)
4107851SDana.Myers@Sun.COM {
4117851SDana.Myers@Sun.COM ACPI_MEMCPY (ObjDesc->Buffer.Pointer, ByteList->Named.Data,
4127851SDana.Myers@Sun.COM ByteListLength);
4137851SDana.Myers@Sun.COM }
4147851SDana.Myers@Sun.COM }
4157851SDana.Myers@Sun.COM
4167851SDana.Myers@Sun.COM ObjDesc->Buffer.Flags |= AOPOBJ_DATA_VALID;
4177851SDana.Myers@Sun.COM Op->Common.Node = ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, ObjDesc);
4187851SDana.Myers@Sun.COM return_ACPI_STATUS (AE_OK);
4197851SDana.Myers@Sun.COM }
4207851SDana.Myers@Sun.COM
4217851SDana.Myers@Sun.COM
4227851SDana.Myers@Sun.COM /*******************************************************************************
4237851SDana.Myers@Sun.COM *
4247851SDana.Myers@Sun.COM * FUNCTION: AcpiDsBuildInternalPackageObj
4257851SDana.Myers@Sun.COM *
4267851SDana.Myers@Sun.COM * PARAMETERS: WalkState - Current walk state
4277851SDana.Myers@Sun.COM * Op - Parser object to be translated
4287851SDana.Myers@Sun.COM * ElementCount - Number of elements in the package - this is
4297851SDana.Myers@Sun.COM * the NumElements argument to Package()
4307851SDana.Myers@Sun.COM * ObjDescPtr - Where the ACPI internal object is returned
4317851SDana.Myers@Sun.COM *
4327851SDana.Myers@Sun.COM * RETURN: Status
4337851SDana.Myers@Sun.COM *
4347851SDana.Myers@Sun.COM * DESCRIPTION: Translate a parser Op package object to the equivalent
4357851SDana.Myers@Sun.COM * namespace object
4367851SDana.Myers@Sun.COM *
4377851SDana.Myers@Sun.COM * NOTE: The number of elements in the package will be always be the NumElements
4387851SDana.Myers@Sun.COM * count, regardless of the number of elements in the package list. If
4397851SDana.Myers@Sun.COM * NumElements is smaller, only that many package list elements are used.
4407851SDana.Myers@Sun.COM * if NumElements is larger, the Package object is padded out with
4417851SDana.Myers@Sun.COM * objects of type Uninitialized (as per ACPI spec.)
4427851SDana.Myers@Sun.COM *
4437851SDana.Myers@Sun.COM * Even though the ASL compilers do not allow NumElements to be smaller
4447851SDana.Myers@Sun.COM * than the Package list length (for the fixed length package opcode), some
4457851SDana.Myers@Sun.COM * BIOS code modifies the AML on the fly to adjust the NumElements, and
4467851SDana.Myers@Sun.COM * this code compensates for that. This also provides compatibility with
4477851SDana.Myers@Sun.COM * other AML interpreters.
4487851SDana.Myers@Sun.COM *
4497851SDana.Myers@Sun.COM ******************************************************************************/
4507851SDana.Myers@Sun.COM
4517851SDana.Myers@Sun.COM ACPI_STATUS
AcpiDsBuildInternalPackageObj(ACPI_WALK_STATE * WalkState,ACPI_PARSE_OBJECT * Op,UINT32 ElementCount,ACPI_OPERAND_OBJECT ** ObjDescPtr)4527851SDana.Myers@Sun.COM AcpiDsBuildInternalPackageObj (
4537851SDana.Myers@Sun.COM ACPI_WALK_STATE *WalkState,
4547851SDana.Myers@Sun.COM ACPI_PARSE_OBJECT *Op,
4557851SDana.Myers@Sun.COM UINT32 ElementCount,
4567851SDana.Myers@Sun.COM ACPI_OPERAND_OBJECT **ObjDescPtr)
4577851SDana.Myers@Sun.COM {
4587851SDana.Myers@Sun.COM ACPI_PARSE_OBJECT *Arg;
4597851SDana.Myers@Sun.COM ACPI_PARSE_OBJECT *Parent;
4607851SDana.Myers@Sun.COM ACPI_OPERAND_OBJECT *ObjDesc = NULL;
4617851SDana.Myers@Sun.COM ACPI_STATUS Status = AE_OK;
4627851SDana.Myers@Sun.COM UINT32 i;
4637851SDana.Myers@Sun.COM UINT16 Index;
4647851SDana.Myers@Sun.COM UINT16 ReferenceCount;
4657851SDana.Myers@Sun.COM
4667851SDana.Myers@Sun.COM
4677851SDana.Myers@Sun.COM ACPI_FUNCTION_TRACE (DsBuildInternalPackageObj);
4687851SDana.Myers@Sun.COM
4697851SDana.Myers@Sun.COM
4707851SDana.Myers@Sun.COM /* Find the parent of a possibly nested package */
4717851SDana.Myers@Sun.COM
4727851SDana.Myers@Sun.COM Parent = Op->Common.Parent;
4737851SDana.Myers@Sun.COM while ((Parent->Common.AmlOpcode == AML_PACKAGE_OP) ||
4747851SDana.Myers@Sun.COM (Parent->Common.AmlOpcode == AML_VAR_PACKAGE_OP))
4757851SDana.Myers@Sun.COM {
4767851SDana.Myers@Sun.COM Parent = Parent->Common.Parent;
4777851SDana.Myers@Sun.COM }
4787851SDana.Myers@Sun.COM
4797851SDana.Myers@Sun.COM /*
4807851SDana.Myers@Sun.COM * If we are evaluating a Named package object "Name (xxxx, Package)",
4817851SDana.Myers@Sun.COM * the package object already exists, otherwise it must be created.
4827851SDana.Myers@Sun.COM */
4837851SDana.Myers@Sun.COM ObjDesc = *ObjDescPtr;
4847851SDana.Myers@Sun.COM if (!ObjDesc)
4857851SDana.Myers@Sun.COM {
4867851SDana.Myers@Sun.COM ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_PACKAGE);
4877851SDana.Myers@Sun.COM *ObjDescPtr = ObjDesc;
4887851SDana.Myers@Sun.COM if (!ObjDesc)
4897851SDana.Myers@Sun.COM {
4907851SDana.Myers@Sun.COM return_ACPI_STATUS (AE_NO_MEMORY);
4917851SDana.Myers@Sun.COM }
4927851SDana.Myers@Sun.COM
4937851SDana.Myers@Sun.COM ObjDesc->Package.Node = Parent->Common.Node;
4947851SDana.Myers@Sun.COM }
4957851SDana.Myers@Sun.COM
4967851SDana.Myers@Sun.COM /*
4977851SDana.Myers@Sun.COM * Allocate the element array (array of pointers to the individual
4987851SDana.Myers@Sun.COM * objects) based on the NumElements parameter. Add an extra pointer slot
4997851SDana.Myers@Sun.COM * so that the list is always null terminated.
5007851SDana.Myers@Sun.COM */
5017851SDana.Myers@Sun.COM ObjDesc->Package.Elements = ACPI_ALLOCATE_ZEROED (
5027851SDana.Myers@Sun.COM ((ACPI_SIZE) ElementCount + 1) * sizeof (void *));
5037851SDana.Myers@Sun.COM
5047851SDana.Myers@Sun.COM if (!ObjDesc->Package.Elements)
5057851SDana.Myers@Sun.COM {
5067851SDana.Myers@Sun.COM AcpiUtDeleteObjectDesc (ObjDesc);
5077851SDana.Myers@Sun.COM return_ACPI_STATUS (AE_NO_MEMORY);
5087851SDana.Myers@Sun.COM }
5097851SDana.Myers@Sun.COM
5107851SDana.Myers@Sun.COM ObjDesc->Package.Count = ElementCount;
5117851SDana.Myers@Sun.COM
5127851SDana.Myers@Sun.COM /*
5137851SDana.Myers@Sun.COM * Initialize the elements of the package, up to the NumElements count.
5147851SDana.Myers@Sun.COM * Package is automatically padded with uninitialized (NULL) elements
5157851SDana.Myers@Sun.COM * if NumElements is greater than the package list length. Likewise,
5167851SDana.Myers@Sun.COM * Package is truncated if NumElements is less than the list length.
5177851SDana.Myers@Sun.COM */
5187851SDana.Myers@Sun.COM Arg = Op->Common.Value.Arg;
5197851SDana.Myers@Sun.COM Arg = Arg->Common.Next;
5207851SDana.Myers@Sun.COM for (i = 0; Arg && (i < ElementCount); i++)
5217851SDana.Myers@Sun.COM {
5227851SDana.Myers@Sun.COM if (Arg->Common.AmlOpcode == AML_INT_RETURN_VALUE_OP)
5237851SDana.Myers@Sun.COM {
5247851SDana.Myers@Sun.COM if (Arg->Common.Node->Type == ACPI_TYPE_METHOD)
5257851SDana.Myers@Sun.COM {
5267851SDana.Myers@Sun.COM /*
5277851SDana.Myers@Sun.COM * A method reference "looks" to the parser to be a method
5287851SDana.Myers@Sun.COM * invocation, so we special case it here
5297851SDana.Myers@Sun.COM */
5307851SDana.Myers@Sun.COM Arg->Common.AmlOpcode = AML_INT_NAMEPATH_OP;
5317851SDana.Myers@Sun.COM Status = AcpiDsBuildInternalObject (WalkState, Arg,
5327851SDana.Myers@Sun.COM &ObjDesc->Package.Elements[i]);
5337851SDana.Myers@Sun.COM }
5347851SDana.Myers@Sun.COM else
5357851SDana.Myers@Sun.COM {
5367851SDana.Myers@Sun.COM /* This package element is already built, just get it */
5377851SDana.Myers@Sun.COM
5387851SDana.Myers@Sun.COM ObjDesc->Package.Elements[i] =
5397851SDana.Myers@Sun.COM ACPI_CAST_PTR (ACPI_OPERAND_OBJECT, Arg->Common.Node);
5407851SDana.Myers@Sun.COM }
5417851SDana.Myers@Sun.COM }
5427851SDana.Myers@Sun.COM else
5437851SDana.Myers@Sun.COM {
5447851SDana.Myers@Sun.COM Status = AcpiDsBuildInternalObject (WalkState, Arg,
5457851SDana.Myers@Sun.COM &ObjDesc->Package.Elements[i]);
5467851SDana.Myers@Sun.COM }
5477851SDana.Myers@Sun.COM
5487851SDana.Myers@Sun.COM if (*ObjDescPtr)
5497851SDana.Myers@Sun.COM {
5507851SDana.Myers@Sun.COM /* Existing package, get existing reference count */
5517851SDana.Myers@Sun.COM
5527851SDana.Myers@Sun.COM ReferenceCount = (*ObjDescPtr)->Common.ReferenceCount;
5537851SDana.Myers@Sun.COM if (ReferenceCount > 1)
5547851SDana.Myers@Sun.COM {
5557851SDana.Myers@Sun.COM /* Make new element ref count match original ref count */
5567851SDana.Myers@Sun.COM
5577851SDana.Myers@Sun.COM for (Index = 0; Index < (ReferenceCount - 1); Index++)
5587851SDana.Myers@Sun.COM {
5597851SDana.Myers@Sun.COM AcpiUtAddReference ((ObjDesc->Package.Elements[i]));
5607851SDana.Myers@Sun.COM }
5617851SDana.Myers@Sun.COM }
5627851SDana.Myers@Sun.COM }
5637851SDana.Myers@Sun.COM
5647851SDana.Myers@Sun.COM Arg = Arg->Common.Next;
5657851SDana.Myers@Sun.COM }
5667851SDana.Myers@Sun.COM
5677851SDana.Myers@Sun.COM /* Check for match between NumElements and actual length of PackageList */
5687851SDana.Myers@Sun.COM
5697851SDana.Myers@Sun.COM if (Arg)
5707851SDana.Myers@Sun.COM {
5717851SDana.Myers@Sun.COM /*
5727851SDana.Myers@Sun.COM * NumElements was exhausted, but there are remaining elements in the
573*11225SDana.Myers@Sun.COM * PackageList. Truncate the package to NumElements.
5747851SDana.Myers@Sun.COM *
5757851SDana.Myers@Sun.COM * Note: technically, this is an error, from ACPI spec: "It is an error
5767851SDana.Myers@Sun.COM * for NumElements to be less than the number of elements in the
577*11225SDana.Myers@Sun.COM * PackageList". However, we just print a message and
578*11225SDana.Myers@Sun.COM * no exception is returned. This provides Windows compatibility. Some
579*11225SDana.Myers@Sun.COM * BIOSs will alter the NumElements on the fly, creating this type
580*11225SDana.Myers@Sun.COM * of ill-formed package object.
5817851SDana.Myers@Sun.COM */
5827851SDana.Myers@Sun.COM while (Arg)
5837851SDana.Myers@Sun.COM {
584*11225SDana.Myers@Sun.COM /*
585*11225SDana.Myers@Sun.COM * We must delete any package elements that were created earlier
586*11225SDana.Myers@Sun.COM * and are not going to be used because of the package truncation.
587*11225SDana.Myers@Sun.COM */
588*11225SDana.Myers@Sun.COM if (Arg->Common.Node)
589*11225SDana.Myers@Sun.COM {
590*11225SDana.Myers@Sun.COM AcpiUtRemoveReference (
591*11225SDana.Myers@Sun.COM ACPI_CAST_PTR (ACPI_OPERAND_OBJECT, Arg->Common.Node));
592*11225SDana.Myers@Sun.COM Arg->Common.Node = NULL;
593*11225SDana.Myers@Sun.COM }
594*11225SDana.Myers@Sun.COM
5957851SDana.Myers@Sun.COM /* Find out how many elements there really are */
5967851SDana.Myers@Sun.COM
5977851SDana.Myers@Sun.COM i++;
5987851SDana.Myers@Sun.COM Arg = Arg->Common.Next;
5997851SDana.Myers@Sun.COM }
6007851SDana.Myers@Sun.COM
601*11225SDana.Myers@Sun.COM ACPI_INFO ((AE_INFO,
602*11225SDana.Myers@Sun.COM "Actual Package length (0x%X) is larger than NumElements field (0x%X), truncated\n",
6037851SDana.Myers@Sun.COM i, ElementCount));
6047851SDana.Myers@Sun.COM }
6057851SDana.Myers@Sun.COM else if (i < ElementCount)
6067851SDana.Myers@Sun.COM {
6077851SDana.Myers@Sun.COM /*
6087851SDana.Myers@Sun.COM * Arg list (elements) was exhausted, but we did not reach NumElements count.
6097851SDana.Myers@Sun.COM * Note: this is not an error, the package is padded out with NULLs.
6107851SDana.Myers@Sun.COM */
6117851SDana.Myers@Sun.COM ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
612*11225SDana.Myers@Sun.COM "Package List length (0x%X) smaller than NumElements count (0x%X), padded with null elements\n",
6137851SDana.Myers@Sun.COM i, ElementCount));
6147851SDana.Myers@Sun.COM }
6157851SDana.Myers@Sun.COM
6167851SDana.Myers@Sun.COM ObjDesc->Package.Flags |= AOPOBJ_DATA_VALID;
6177851SDana.Myers@Sun.COM Op->Common.Node = ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, ObjDesc);
6187851SDana.Myers@Sun.COM return_ACPI_STATUS (Status);
6197851SDana.Myers@Sun.COM }
6207851SDana.Myers@Sun.COM
6217851SDana.Myers@Sun.COM
6227851SDana.Myers@Sun.COM /*******************************************************************************
6237851SDana.Myers@Sun.COM *
6247851SDana.Myers@Sun.COM * FUNCTION: AcpiDsCreateNode
6257851SDana.Myers@Sun.COM *
6267851SDana.Myers@Sun.COM * PARAMETERS: WalkState - Current walk state
6277851SDana.Myers@Sun.COM * Node - NS Node to be initialized
6287851SDana.Myers@Sun.COM * Op - Parser object to be translated
6297851SDana.Myers@Sun.COM *
6307851SDana.Myers@Sun.COM * RETURN: Status
6317851SDana.Myers@Sun.COM *
6327851SDana.Myers@Sun.COM * DESCRIPTION: Create the object to be associated with a namespace node
6337851SDana.Myers@Sun.COM *
6347851SDana.Myers@Sun.COM ******************************************************************************/
6357851SDana.Myers@Sun.COM
6367851SDana.Myers@Sun.COM ACPI_STATUS
AcpiDsCreateNode(ACPI_WALK_STATE * WalkState,ACPI_NAMESPACE_NODE * Node,ACPI_PARSE_OBJECT * Op)6377851SDana.Myers@Sun.COM AcpiDsCreateNode (
6387851SDana.Myers@Sun.COM ACPI_WALK_STATE *WalkState,
6397851SDana.Myers@Sun.COM ACPI_NAMESPACE_NODE *Node,
6407851SDana.Myers@Sun.COM ACPI_PARSE_OBJECT *Op)
6417851SDana.Myers@Sun.COM {
6427851SDana.Myers@Sun.COM ACPI_STATUS Status;
6437851SDana.Myers@Sun.COM ACPI_OPERAND_OBJECT *ObjDesc;
6447851SDana.Myers@Sun.COM
6457851SDana.Myers@Sun.COM
6467851SDana.Myers@Sun.COM ACPI_FUNCTION_TRACE_PTR (DsCreateNode, Op);
6477851SDana.Myers@Sun.COM
6487851SDana.Myers@Sun.COM
6497851SDana.Myers@Sun.COM /*
6507851SDana.Myers@Sun.COM * Because of the execution pass through the non-control-method
6517851SDana.Myers@Sun.COM * parts of the table, we can arrive here twice. Only init
6527851SDana.Myers@Sun.COM * the named object node the first time through
6537851SDana.Myers@Sun.COM */
6547851SDana.Myers@Sun.COM if (AcpiNsGetAttachedObject (Node))
6557851SDana.Myers@Sun.COM {
6567851SDana.Myers@Sun.COM return_ACPI_STATUS (AE_OK);
6577851SDana.Myers@Sun.COM }
6587851SDana.Myers@Sun.COM
6597851SDana.Myers@Sun.COM if (!Op->Common.Value.Arg)
6607851SDana.Myers@Sun.COM {
6617851SDana.Myers@Sun.COM /* No arguments, there is nothing to do */
6627851SDana.Myers@Sun.COM
6637851SDana.Myers@Sun.COM return_ACPI_STATUS (AE_OK);
6647851SDana.Myers@Sun.COM }
6657851SDana.Myers@Sun.COM
6667851SDana.Myers@Sun.COM /* Build an internal object for the argument(s) */
6677851SDana.Myers@Sun.COM
6687851SDana.Myers@Sun.COM Status = AcpiDsBuildInternalObject (WalkState, Op->Common.Value.Arg,
6697851SDana.Myers@Sun.COM &ObjDesc);
6707851SDana.Myers@Sun.COM if (ACPI_FAILURE (Status))
6717851SDana.Myers@Sun.COM {
6727851SDana.Myers@Sun.COM return_ACPI_STATUS (Status);
6737851SDana.Myers@Sun.COM }
6747851SDana.Myers@Sun.COM
6757851SDana.Myers@Sun.COM /* Re-type the object according to its argument */
6767851SDana.Myers@Sun.COM
6779980SDana.Myers@Sun.COM Node->Type = ObjDesc->Common.Type;
6787851SDana.Myers@Sun.COM
6797851SDana.Myers@Sun.COM /* Attach obj to node */
6807851SDana.Myers@Sun.COM
6817851SDana.Myers@Sun.COM Status = AcpiNsAttachObject (Node, ObjDesc, Node->Type);
6827851SDana.Myers@Sun.COM
6837851SDana.Myers@Sun.COM /* Remove local reference to the object */
6847851SDana.Myers@Sun.COM
6857851SDana.Myers@Sun.COM AcpiUtRemoveReference (ObjDesc);
6867851SDana.Myers@Sun.COM return_ACPI_STATUS (Status);
6877851SDana.Myers@Sun.COM }
6887851SDana.Myers@Sun.COM
6897851SDana.Myers@Sun.COM #endif /* ACPI_NO_METHOD_EXECUTION */
6907851SDana.Myers@Sun.COM
6917851SDana.Myers@Sun.COM
6927851SDana.Myers@Sun.COM /*******************************************************************************
6937851SDana.Myers@Sun.COM *
6947851SDana.Myers@Sun.COM * FUNCTION: AcpiDsInitObjectFromOp
6957851SDana.Myers@Sun.COM *
6967851SDana.Myers@Sun.COM * PARAMETERS: WalkState - Current walk state
6977851SDana.Myers@Sun.COM * Op - Parser op used to init the internal object
6987851SDana.Myers@Sun.COM * Opcode - AML opcode associated with the object
6997851SDana.Myers@Sun.COM * RetObjDesc - Namespace object to be initialized
7007851SDana.Myers@Sun.COM *
7017851SDana.Myers@Sun.COM * RETURN: Status
7027851SDana.Myers@Sun.COM *
7037851SDana.Myers@Sun.COM * DESCRIPTION: Initialize a namespace object from a parser Op and its
7047851SDana.Myers@Sun.COM * associated arguments. The namespace object is a more compact
7057851SDana.Myers@Sun.COM * representation of the Op and its arguments.
7067851SDana.Myers@Sun.COM *
7077851SDana.Myers@Sun.COM ******************************************************************************/
7087851SDana.Myers@Sun.COM
7097851SDana.Myers@Sun.COM ACPI_STATUS
AcpiDsInitObjectFromOp(ACPI_WALK_STATE * WalkState,ACPI_PARSE_OBJECT * Op,UINT16 Opcode,ACPI_OPERAND_OBJECT ** RetObjDesc)7107851SDana.Myers@Sun.COM AcpiDsInitObjectFromOp (
7117851SDana.Myers@Sun.COM ACPI_WALK_STATE *WalkState,
7127851SDana.Myers@Sun.COM ACPI_PARSE_OBJECT *Op,
7137851SDana.Myers@Sun.COM UINT16 Opcode,
7147851SDana.Myers@Sun.COM ACPI_OPERAND_OBJECT **RetObjDesc)
7157851SDana.Myers@Sun.COM {
7167851SDana.Myers@Sun.COM const ACPI_OPCODE_INFO *OpInfo;
7177851SDana.Myers@Sun.COM ACPI_OPERAND_OBJECT *ObjDesc;
7187851SDana.Myers@Sun.COM ACPI_STATUS Status = AE_OK;
7197851SDana.Myers@Sun.COM
7207851SDana.Myers@Sun.COM
7217851SDana.Myers@Sun.COM ACPI_FUNCTION_TRACE (DsInitObjectFromOp);
7227851SDana.Myers@Sun.COM
7237851SDana.Myers@Sun.COM
7247851SDana.Myers@Sun.COM ObjDesc = *RetObjDesc;
7257851SDana.Myers@Sun.COM OpInfo = AcpiPsGetOpcodeInfo (Opcode);
7267851SDana.Myers@Sun.COM if (OpInfo->Class == AML_CLASS_UNKNOWN)
7277851SDana.Myers@Sun.COM {
7287851SDana.Myers@Sun.COM /* Unknown opcode */
7297851SDana.Myers@Sun.COM
7307851SDana.Myers@Sun.COM return_ACPI_STATUS (AE_TYPE);
7317851SDana.Myers@Sun.COM }
7327851SDana.Myers@Sun.COM
7337851SDana.Myers@Sun.COM /* Perform per-object initialization */
7347851SDana.Myers@Sun.COM
7359980SDana.Myers@Sun.COM switch (ObjDesc->Common.Type)
7367851SDana.Myers@Sun.COM {
7377851SDana.Myers@Sun.COM case ACPI_TYPE_BUFFER:
7387851SDana.Myers@Sun.COM
7397851SDana.Myers@Sun.COM /*
7407851SDana.Myers@Sun.COM * Defer evaluation of Buffer TermArg operand
7417851SDana.Myers@Sun.COM */
7427851SDana.Myers@Sun.COM ObjDesc->Buffer.Node = ACPI_CAST_PTR (ACPI_NAMESPACE_NODE,
7437851SDana.Myers@Sun.COM WalkState->Operands[0]);
7447851SDana.Myers@Sun.COM ObjDesc->Buffer.AmlStart = Op->Named.Data;
7457851SDana.Myers@Sun.COM ObjDesc->Buffer.AmlLength = Op->Named.Length;
7467851SDana.Myers@Sun.COM break;
7477851SDana.Myers@Sun.COM
7487851SDana.Myers@Sun.COM
7497851SDana.Myers@Sun.COM case ACPI_TYPE_PACKAGE:
7507851SDana.Myers@Sun.COM
7517851SDana.Myers@Sun.COM /*
7527851SDana.Myers@Sun.COM * Defer evaluation of Package TermArg operand
7537851SDana.Myers@Sun.COM */
7547851SDana.Myers@Sun.COM ObjDesc->Package.Node = ACPI_CAST_PTR (ACPI_NAMESPACE_NODE,
7557851SDana.Myers@Sun.COM WalkState->Operands[0]);
7567851SDana.Myers@Sun.COM ObjDesc->Package.AmlStart = Op->Named.Data;
7577851SDana.Myers@Sun.COM ObjDesc->Package.AmlLength = Op->Named.Length;
7587851SDana.Myers@Sun.COM break;
7597851SDana.Myers@Sun.COM
7607851SDana.Myers@Sun.COM
7617851SDana.Myers@Sun.COM case ACPI_TYPE_INTEGER:
7627851SDana.Myers@Sun.COM
7637851SDana.Myers@Sun.COM switch (OpInfo->Type)
7647851SDana.Myers@Sun.COM {
7657851SDana.Myers@Sun.COM case AML_TYPE_CONSTANT:
7667851SDana.Myers@Sun.COM /*
7677851SDana.Myers@Sun.COM * Resolve AML Constants here - AND ONLY HERE!
7687851SDana.Myers@Sun.COM * All constants are integers.
7697851SDana.Myers@Sun.COM * We mark the integer with a flag that indicates that it started
7707851SDana.Myers@Sun.COM * life as a constant -- so that stores to constants will perform
7717851SDana.Myers@Sun.COM * as expected (noop). ZeroOp is used as a placeholder for optional
7727851SDana.Myers@Sun.COM * target operands.
7737851SDana.Myers@Sun.COM */
7747851SDana.Myers@Sun.COM ObjDesc->Common.Flags = AOPOBJ_AML_CONSTANT;
7757851SDana.Myers@Sun.COM
7767851SDana.Myers@Sun.COM switch (Opcode)
7777851SDana.Myers@Sun.COM {
7787851SDana.Myers@Sun.COM case AML_ZERO_OP:
7797851SDana.Myers@Sun.COM
7807851SDana.Myers@Sun.COM ObjDesc->Integer.Value = 0;
7817851SDana.Myers@Sun.COM break;
7827851SDana.Myers@Sun.COM
7837851SDana.Myers@Sun.COM case AML_ONE_OP:
7847851SDana.Myers@Sun.COM
7857851SDana.Myers@Sun.COM ObjDesc->Integer.Value = 1;
7867851SDana.Myers@Sun.COM break;
7877851SDana.Myers@Sun.COM
7887851SDana.Myers@Sun.COM case AML_ONES_OP:
7897851SDana.Myers@Sun.COM
7907851SDana.Myers@Sun.COM ObjDesc->Integer.Value = ACPI_INTEGER_MAX;
7917851SDana.Myers@Sun.COM
7927851SDana.Myers@Sun.COM /* Truncate value if we are executing from a 32-bit ACPI table */
7937851SDana.Myers@Sun.COM
7947851SDana.Myers@Sun.COM #ifndef ACPI_NO_METHOD_EXECUTION
7957851SDana.Myers@Sun.COM AcpiExTruncateFor32bitTable (ObjDesc);
7967851SDana.Myers@Sun.COM #endif
7977851SDana.Myers@Sun.COM break;
7987851SDana.Myers@Sun.COM
7997851SDana.Myers@Sun.COM case AML_REVISION_OP:
8007851SDana.Myers@Sun.COM
8017851SDana.Myers@Sun.COM ObjDesc->Integer.Value = ACPI_CA_VERSION;
8027851SDana.Myers@Sun.COM break;
8037851SDana.Myers@Sun.COM
8047851SDana.Myers@Sun.COM default:
8057851SDana.Myers@Sun.COM
8067851SDana.Myers@Sun.COM ACPI_ERROR ((AE_INFO,
8077851SDana.Myers@Sun.COM "Unknown constant opcode %X", Opcode));
8087851SDana.Myers@Sun.COM Status = AE_AML_OPERAND_TYPE;
8097851SDana.Myers@Sun.COM break;
8107851SDana.Myers@Sun.COM }
8117851SDana.Myers@Sun.COM break;
8127851SDana.Myers@Sun.COM
8137851SDana.Myers@Sun.COM
8147851SDana.Myers@Sun.COM case AML_TYPE_LITERAL:
8157851SDana.Myers@Sun.COM
8167851SDana.Myers@Sun.COM ObjDesc->Integer.Value = Op->Common.Value.Integer;
8177851SDana.Myers@Sun.COM #ifndef ACPI_NO_METHOD_EXECUTION
8187851SDana.Myers@Sun.COM AcpiExTruncateFor32bitTable (ObjDesc);
8197851SDana.Myers@Sun.COM #endif
8207851SDana.Myers@Sun.COM break;
8217851SDana.Myers@Sun.COM
8227851SDana.Myers@Sun.COM
8237851SDana.Myers@Sun.COM default:
8247851SDana.Myers@Sun.COM ACPI_ERROR ((AE_INFO, "Unknown Integer type %X",
8257851SDana.Myers@Sun.COM OpInfo->Type));
8267851SDana.Myers@Sun.COM Status = AE_AML_OPERAND_TYPE;
8277851SDana.Myers@Sun.COM break;
8287851SDana.Myers@Sun.COM }
8297851SDana.Myers@Sun.COM break;
8307851SDana.Myers@Sun.COM
8317851SDana.Myers@Sun.COM
8327851SDana.Myers@Sun.COM case ACPI_TYPE_STRING:
8337851SDana.Myers@Sun.COM
8347851SDana.Myers@Sun.COM ObjDesc->String.Pointer = Op->Common.Value.String;
8357851SDana.Myers@Sun.COM ObjDesc->String.Length = (UINT32) ACPI_STRLEN (Op->Common.Value.String);
8367851SDana.Myers@Sun.COM
8377851SDana.Myers@Sun.COM /*
8387851SDana.Myers@Sun.COM * The string is contained in the ACPI table, don't ever try
8397851SDana.Myers@Sun.COM * to delete it
8407851SDana.Myers@Sun.COM */
8417851SDana.Myers@Sun.COM ObjDesc->Common.Flags |= AOPOBJ_STATIC_POINTER;
8427851SDana.Myers@Sun.COM break;
8437851SDana.Myers@Sun.COM
8447851SDana.Myers@Sun.COM
8457851SDana.Myers@Sun.COM case ACPI_TYPE_METHOD:
8467851SDana.Myers@Sun.COM break;
8477851SDana.Myers@Sun.COM
8487851SDana.Myers@Sun.COM
8497851SDana.Myers@Sun.COM case ACPI_TYPE_LOCAL_REFERENCE:
8507851SDana.Myers@Sun.COM
8517851SDana.Myers@Sun.COM switch (OpInfo->Type)
8527851SDana.Myers@Sun.COM {
8537851SDana.Myers@Sun.COM case AML_TYPE_LOCAL_VARIABLE:
8547851SDana.Myers@Sun.COM
8557851SDana.Myers@Sun.COM /* Local ID (0-7) is (AML opcode - base AML_LOCAL_OP) */
8567851SDana.Myers@Sun.COM
8579980SDana.Myers@Sun.COM ObjDesc->Reference.Value = ((UINT32) Opcode) - AML_LOCAL_OP;
8587851SDana.Myers@Sun.COM ObjDesc->Reference.Class = ACPI_REFCLASS_LOCAL;
8597851SDana.Myers@Sun.COM
8607851SDana.Myers@Sun.COM #ifndef ACPI_NO_METHOD_EXECUTION
8617851SDana.Myers@Sun.COM Status = AcpiDsMethodDataGetNode (ACPI_REFCLASS_LOCAL,
8627851SDana.Myers@Sun.COM ObjDesc->Reference.Value, WalkState,
8637851SDana.Myers@Sun.COM ACPI_CAST_INDIRECT_PTR (ACPI_NAMESPACE_NODE,
8647851SDana.Myers@Sun.COM &ObjDesc->Reference.Object));
8657851SDana.Myers@Sun.COM #endif
8667851SDana.Myers@Sun.COM break;
8677851SDana.Myers@Sun.COM
8687851SDana.Myers@Sun.COM
8697851SDana.Myers@Sun.COM case AML_TYPE_METHOD_ARGUMENT:
8707851SDana.Myers@Sun.COM
8717851SDana.Myers@Sun.COM /* Arg ID (0-6) is (AML opcode - base AML_ARG_OP) */
8727851SDana.Myers@Sun.COM
8739980SDana.Myers@Sun.COM ObjDesc->Reference.Value = ((UINT32) Opcode) - AML_ARG_OP;
8747851SDana.Myers@Sun.COM ObjDesc->Reference.Class = ACPI_REFCLASS_ARG;
8757851SDana.Myers@Sun.COM
8767851SDana.Myers@Sun.COM #ifndef ACPI_NO_METHOD_EXECUTION
8777851SDana.Myers@Sun.COM Status = AcpiDsMethodDataGetNode (ACPI_REFCLASS_ARG,
8787851SDana.Myers@Sun.COM ObjDesc->Reference.Value, WalkState,
8797851SDana.Myers@Sun.COM ACPI_CAST_INDIRECT_PTR (ACPI_NAMESPACE_NODE,
8807851SDana.Myers@Sun.COM &ObjDesc->Reference.Object));
8817851SDana.Myers@Sun.COM #endif
8827851SDana.Myers@Sun.COM break;
8837851SDana.Myers@Sun.COM
8847851SDana.Myers@Sun.COM default: /* Object name or Debug object */
8857851SDana.Myers@Sun.COM
8867851SDana.Myers@Sun.COM switch (Op->Common.AmlOpcode)
8877851SDana.Myers@Sun.COM {
8887851SDana.Myers@Sun.COM case AML_INT_NAMEPATH_OP:
8897851SDana.Myers@Sun.COM
8907851SDana.Myers@Sun.COM /* Node was saved in Op */
8917851SDana.Myers@Sun.COM
8927851SDana.Myers@Sun.COM ObjDesc->Reference.Node = Op->Common.Node;
8937851SDana.Myers@Sun.COM ObjDesc->Reference.Object = Op->Common.Node->Object;
8947851SDana.Myers@Sun.COM ObjDesc->Reference.Class = ACPI_REFCLASS_NAME;
8957851SDana.Myers@Sun.COM break;
8967851SDana.Myers@Sun.COM
8977851SDana.Myers@Sun.COM case AML_DEBUG_OP:
8987851SDana.Myers@Sun.COM
8997851SDana.Myers@Sun.COM ObjDesc->Reference.Class = ACPI_REFCLASS_DEBUG;
9007851SDana.Myers@Sun.COM break;
9017851SDana.Myers@Sun.COM
9027851SDana.Myers@Sun.COM default:
9037851SDana.Myers@Sun.COM
9047851SDana.Myers@Sun.COM ACPI_ERROR ((AE_INFO,
9057851SDana.Myers@Sun.COM "Unimplemented reference type for AML opcode: %4.4X", Opcode));
9067851SDana.Myers@Sun.COM return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
9077851SDana.Myers@Sun.COM }
9087851SDana.Myers@Sun.COM break;
9097851SDana.Myers@Sun.COM }
9107851SDana.Myers@Sun.COM break;
9117851SDana.Myers@Sun.COM
9127851SDana.Myers@Sun.COM
9137851SDana.Myers@Sun.COM default:
9147851SDana.Myers@Sun.COM
9157851SDana.Myers@Sun.COM ACPI_ERROR ((AE_INFO, "Unimplemented data type: %X",
9169980SDana.Myers@Sun.COM ObjDesc->Common.Type));
9177851SDana.Myers@Sun.COM
9187851SDana.Myers@Sun.COM Status = AE_AML_OPERAND_TYPE;
9197851SDana.Myers@Sun.COM break;
9207851SDana.Myers@Sun.COM }
9217851SDana.Myers@Sun.COM
9227851SDana.Myers@Sun.COM return_ACPI_STATUS (Status);
9237851SDana.Myers@Sun.COM }
9247851SDana.Myers@Sun.COM
9257851SDana.Myers@Sun.COM
926