10d02842fSSascha Wildner /*******************************************************************************
20d02842fSSascha Wildner *
30d02842fSSascha Wildner * Module Name: utmisc - common utility procedures
40d02842fSSascha Wildner *
50d02842fSSascha Wildner ******************************************************************************/
60d02842fSSascha Wildner
7b4315fc7SSascha Wildner /******************************************************************************
8b4315fc7SSascha Wildner *
9b4315fc7SSascha Wildner * 1. Copyright Notice
10b4315fc7SSascha Wildner *
11*383048acSSascha Wildner * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
120d02842fSSascha Wildner * All rights reserved.
130d02842fSSascha Wildner *
14b4315fc7SSascha Wildner * 2. License
15b4315fc7SSascha Wildner *
16b4315fc7SSascha Wildner * 2.1. This is your license from Intel Corp. under its intellectual property
17b4315fc7SSascha Wildner * rights. You may have additional license terms from the party that provided
18b4315fc7SSascha Wildner * you this software, covering your right to use that party's intellectual
19b4315fc7SSascha Wildner * property rights.
20b4315fc7SSascha Wildner *
21b4315fc7SSascha Wildner * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22b4315fc7SSascha Wildner * copy of the source code appearing in this file ("Covered Code") an
23b4315fc7SSascha Wildner * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24b4315fc7SSascha Wildner * base code distributed originally by Intel ("Original Intel Code") to copy,
25b4315fc7SSascha Wildner * make derivatives, distribute, use and display any portion of the Covered
26b4315fc7SSascha Wildner * Code in any form, with the right to sublicense such rights; and
27b4315fc7SSascha Wildner *
28b4315fc7SSascha Wildner * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29b4315fc7SSascha Wildner * license (with the right to sublicense), under only those claims of Intel
30b4315fc7SSascha Wildner * patents that are infringed by the Original Intel Code, to make, use, sell,
31b4315fc7SSascha Wildner * offer to sell, and import the Covered Code and derivative works thereof
32b4315fc7SSascha Wildner * solely to the minimum extent necessary to exercise the above copyright
33b4315fc7SSascha Wildner * license, and in no event shall the patent license extend to any additions
34b4315fc7SSascha Wildner * to or modifications of the Original Intel Code. No other license or right
35b4315fc7SSascha Wildner * is granted directly or by implication, estoppel or otherwise;
36b4315fc7SSascha Wildner *
37b4315fc7SSascha Wildner * The above copyright and patent license is granted only if the following
38b4315fc7SSascha Wildner * conditions are met:
39b4315fc7SSascha Wildner *
40b4315fc7SSascha Wildner * 3. Conditions
41b4315fc7SSascha Wildner *
42b4315fc7SSascha Wildner * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43b4315fc7SSascha Wildner * Redistribution of source code of any substantial portion of the Covered
44b4315fc7SSascha Wildner * Code or modification with rights to further distribute source must include
45b4315fc7SSascha Wildner * the above Copyright Notice, the above License, this list of Conditions,
46b4315fc7SSascha Wildner * and the following Disclaimer and Export Compliance provision. In addition,
47b4315fc7SSascha Wildner * Licensee must cause all Covered Code to which Licensee contributes to
48b4315fc7SSascha Wildner * contain a file documenting the changes Licensee made to create that Covered
49b4315fc7SSascha Wildner * Code and the date of any change. Licensee must include in that file the
50b4315fc7SSascha Wildner * documentation of any changes made by any predecessor Licensee. Licensee
51b4315fc7SSascha Wildner * must include a prominent statement that the modification is derived,
52b4315fc7SSascha Wildner * directly or indirectly, from Original Intel Code.
53b4315fc7SSascha Wildner *
54b4315fc7SSascha Wildner * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55b4315fc7SSascha Wildner * Redistribution of source code of any substantial portion of the Covered
56b4315fc7SSascha Wildner * Code or modification without rights to further distribute source must
57b4315fc7SSascha Wildner * include the following Disclaimer and Export Compliance provision in the
58b4315fc7SSascha Wildner * documentation and/or other materials provided with distribution. In
59b4315fc7SSascha Wildner * addition, Licensee may not authorize further sublicense of source of any
60b4315fc7SSascha Wildner * portion of the Covered Code, and must include terms to the effect that the
61b4315fc7SSascha Wildner * license from Licensee to its licensee is limited to the intellectual
62b4315fc7SSascha Wildner * property embodied in the software Licensee provides to its licensee, and
63b4315fc7SSascha Wildner * not to intellectual property embodied in modifications its licensee may
64b4315fc7SSascha Wildner * make.
65b4315fc7SSascha Wildner *
66b4315fc7SSascha Wildner * 3.3. Redistribution of Executable. Redistribution in executable form of any
67b4315fc7SSascha Wildner * substantial portion of the Covered Code or modification must reproduce the
68b4315fc7SSascha Wildner * above Copyright Notice, and the following Disclaimer and Export Compliance
69b4315fc7SSascha Wildner * provision in the documentation and/or other materials provided with the
70b4315fc7SSascha Wildner * distribution.
71b4315fc7SSascha Wildner *
72b4315fc7SSascha Wildner * 3.4. Intel retains all right, title, and interest in and to the Original
73b4315fc7SSascha Wildner * Intel Code.
74b4315fc7SSascha Wildner *
75b4315fc7SSascha Wildner * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76b4315fc7SSascha Wildner * Intel shall be used in advertising or otherwise to promote the sale, use or
77b4315fc7SSascha Wildner * other dealings in products derived from or relating to the Covered Code
78b4315fc7SSascha Wildner * without prior written authorization from Intel.
79b4315fc7SSascha Wildner *
80b4315fc7SSascha Wildner * 4. Disclaimer and Export Compliance
81b4315fc7SSascha Wildner *
82b4315fc7SSascha Wildner * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83b4315fc7SSascha Wildner * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84b4315fc7SSascha Wildner * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85b4315fc7SSascha Wildner * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86b4315fc7SSascha Wildner * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87b4315fc7SSascha Wildner * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
88b4315fc7SSascha Wildner * PARTICULAR PURPOSE.
89b4315fc7SSascha Wildner *
90b4315fc7SSascha Wildner * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91b4315fc7SSascha Wildner * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92b4315fc7SSascha Wildner * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93b4315fc7SSascha Wildner * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94b4315fc7SSascha Wildner * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95b4315fc7SSascha Wildner * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96b4315fc7SSascha Wildner * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
97b4315fc7SSascha Wildner * LIMITED REMEDY.
98b4315fc7SSascha Wildner *
99b4315fc7SSascha Wildner * 4.3. Licensee shall not export, either directly or indirectly, any of this
100b4315fc7SSascha Wildner * software or system incorporating such software without first obtaining any
101b4315fc7SSascha Wildner * required license or other approval from the U. S. Department of Commerce or
102b4315fc7SSascha Wildner * any other agency or department of the United States Government. In the
103b4315fc7SSascha Wildner * event Licensee exports any such software from the United States or
104b4315fc7SSascha Wildner * re-exports any such software from a foreign destination, Licensee shall
105b4315fc7SSascha Wildner * ensure that the distribution and export/re-export of the software is in
106b4315fc7SSascha Wildner * compliance with all laws, regulations, orders, or other restrictions of the
107b4315fc7SSascha Wildner * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108b4315fc7SSascha Wildner * any of its subsidiaries will export/re-export any technical data, process,
109b4315fc7SSascha Wildner * software, or service, directly or indirectly, to any country for which the
110b4315fc7SSascha Wildner * United States government or any agency thereof requires an export license,
111b4315fc7SSascha Wildner * other governmental approval, or letter of assurance, without first obtaining
112b4315fc7SSascha Wildner * such license, approval or letter.
113b4315fc7SSascha Wildner *
114b4315fc7SSascha Wildner *****************************************************************************
115b4315fc7SSascha Wildner *
116b4315fc7SSascha Wildner * Alternatively, you may choose to be licensed under the terms of the
117b4315fc7SSascha Wildner * following license:
118b4315fc7SSascha Wildner *
1190d02842fSSascha Wildner * Redistribution and use in source and binary forms, with or without
1200d02842fSSascha Wildner * modification, are permitted provided that the following conditions
1210d02842fSSascha Wildner * are met:
1220d02842fSSascha Wildner * 1. Redistributions of source code must retain the above copyright
1230d02842fSSascha Wildner * notice, this list of conditions, and the following disclaimer,
1240d02842fSSascha Wildner * without modification.
1250d02842fSSascha Wildner * 2. Redistributions in binary form must reproduce at minimum a disclaimer
1260d02842fSSascha Wildner * substantially similar to the "NO WARRANTY" disclaimer below
1270d02842fSSascha Wildner * ("Disclaimer") and any redistribution must be conditioned upon
1280d02842fSSascha Wildner * including a substantially similar Disclaimer requirement for further
1290d02842fSSascha Wildner * binary redistribution.
1300d02842fSSascha Wildner * 3. Neither the names of the above-listed copyright holders nor the names
1310d02842fSSascha Wildner * of any contributors may be used to endorse or promote products derived
1320d02842fSSascha Wildner * from this software without specific prior written permission.
1330d02842fSSascha Wildner *
134b4315fc7SSascha Wildner * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
135b4315fc7SSascha Wildner * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136b4315fc7SSascha Wildner * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
137b4315fc7SSascha Wildner * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138b4315fc7SSascha Wildner * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139b4315fc7SSascha Wildner * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140b4315fc7SSascha Wildner * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141b4315fc7SSascha Wildner * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142b4315fc7SSascha Wildner * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143b4315fc7SSascha Wildner * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144b4315fc7SSascha Wildner * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
145b4315fc7SSascha Wildner *
146b4315fc7SSascha Wildner * Alternatively, you may choose to be licensed under the terms of the
1470d02842fSSascha Wildner * GNU General Public License ("GPL") version 2 as published by the Free
1480d02842fSSascha Wildner * Software Foundation.
1490d02842fSSascha Wildner *
150b4315fc7SSascha Wildner *****************************************************************************/
1510d02842fSSascha Wildner
1520d02842fSSascha Wildner #include "acpi.h"
1530d02842fSSascha Wildner #include "accommon.h"
1540d02842fSSascha Wildner #include "acnamesp.h"
1550d02842fSSascha Wildner
1560d02842fSSascha Wildner
1570d02842fSSascha Wildner #define _COMPONENT ACPI_UTILITIES
1580d02842fSSascha Wildner ACPI_MODULE_NAME ("utmisc")
1590d02842fSSascha Wildner
1600d02842fSSascha Wildner
1610d02842fSSascha Wildner /*******************************************************************************
1620d02842fSSascha Wildner *
1630d02842fSSascha Wildner * FUNCTION: AcpiUtIsPciRootBridge
1640d02842fSSascha Wildner *
1650d02842fSSascha Wildner * PARAMETERS: Id - The HID/CID in string format
1660d02842fSSascha Wildner *
1670d02842fSSascha Wildner * RETURN: TRUE if the Id is a match for a PCI/PCI-Express Root Bridge
1680d02842fSSascha Wildner *
1690d02842fSSascha Wildner * DESCRIPTION: Determine if the input ID is a PCI Root Bridge ID.
1700d02842fSSascha Wildner *
1710d02842fSSascha Wildner ******************************************************************************/
1720d02842fSSascha Wildner
1730d02842fSSascha Wildner BOOLEAN
AcpiUtIsPciRootBridge(char * Id)1740d02842fSSascha Wildner AcpiUtIsPciRootBridge (
1750d02842fSSascha Wildner char *Id)
1760d02842fSSascha Wildner {
1770d02842fSSascha Wildner
1780d02842fSSascha Wildner /*
1790d02842fSSascha Wildner * Check if this is a PCI root bridge.
1800d02842fSSascha Wildner * ACPI 3.0+: check for a PCI Express root also.
1810d02842fSSascha Wildner */
18225ca8c79SSascha Wildner if (!(strcmp (Id,
1830d02842fSSascha Wildner PCI_ROOT_HID_STRING)) ||
1840d02842fSSascha Wildner
18525ca8c79SSascha Wildner !(strcmp (Id,
1860d02842fSSascha Wildner PCI_EXPRESS_ROOT_HID_STRING)))
1870d02842fSSascha Wildner {
1880d02842fSSascha Wildner return (TRUE);
1890d02842fSSascha Wildner }
1900d02842fSSascha Wildner
1910d02842fSSascha Wildner return (FALSE);
1920d02842fSSascha Wildner }
1930d02842fSSascha Wildner
1940d02842fSSascha Wildner
1953cc0afc6SSascha Wildner #if (defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP || defined ACPI_NAMES_APP)
1960d02842fSSascha Wildner /*******************************************************************************
1970d02842fSSascha Wildner *
1980d02842fSSascha Wildner * FUNCTION: AcpiUtIsAmlTable
1990d02842fSSascha Wildner *
2000d02842fSSascha Wildner * PARAMETERS: Table - An ACPI table
2010d02842fSSascha Wildner *
2020d02842fSSascha Wildner * RETURN: TRUE if table contains executable AML; FALSE otherwise
2030d02842fSSascha Wildner *
2040d02842fSSascha Wildner * DESCRIPTION: Check ACPI Signature for a table that contains AML code.
2050d02842fSSascha Wildner * Currently, these are DSDT,SSDT,PSDT. All other table types are
2060d02842fSSascha Wildner * data tables that do not contain AML code.
2070d02842fSSascha Wildner *
2080d02842fSSascha Wildner ******************************************************************************/
2090d02842fSSascha Wildner
2100d02842fSSascha Wildner BOOLEAN
AcpiUtIsAmlTable(ACPI_TABLE_HEADER * Table)2110d02842fSSascha Wildner AcpiUtIsAmlTable (
2120d02842fSSascha Wildner ACPI_TABLE_HEADER *Table)
2130d02842fSSascha Wildner {
2140d02842fSSascha Wildner
2150d02842fSSascha Wildner /* These are the only tables that contain executable AML */
2160d02842fSSascha Wildner
217c1776041SSascha Wildner if (ACPI_COMPARE_NAMESEG (Table->Signature, ACPI_SIG_DSDT) ||
218c1776041SSascha Wildner ACPI_COMPARE_NAMESEG (Table->Signature, ACPI_SIG_PSDT) ||
219c1776041SSascha Wildner ACPI_COMPARE_NAMESEG (Table->Signature, ACPI_SIG_SSDT) ||
220c1776041SSascha Wildner ACPI_COMPARE_NAMESEG (Table->Signature, ACPI_SIG_OSDT) ||
221ef944814SSascha Wildner ACPI_IS_OEM_SIG (Table->Signature))
2220d02842fSSascha Wildner {
2230d02842fSSascha Wildner return (TRUE);
2240d02842fSSascha Wildner }
2250d02842fSSascha Wildner
2260d02842fSSascha Wildner return (FALSE);
2270d02842fSSascha Wildner }
2285943f66cSSascha Wildner #endif
2290d02842fSSascha Wildner
2300d02842fSSascha Wildner
2310d02842fSSascha Wildner /*******************************************************************************
2320d02842fSSascha Wildner *
2330d02842fSSascha Wildner * FUNCTION: AcpiUtDwordByteSwap
2340d02842fSSascha Wildner *
2350d02842fSSascha Wildner * PARAMETERS: Value - Value to be converted
2360d02842fSSascha Wildner *
2370d02842fSSascha Wildner * RETURN: UINT32 integer with bytes swapped
2380d02842fSSascha Wildner *
2390d02842fSSascha Wildner * DESCRIPTION: Convert a 32-bit value to big-endian (swap the bytes)
2400d02842fSSascha Wildner *
2410d02842fSSascha Wildner ******************************************************************************/
2420d02842fSSascha Wildner
2430d02842fSSascha Wildner UINT32
AcpiUtDwordByteSwap(UINT32 Value)2440d02842fSSascha Wildner AcpiUtDwordByteSwap (
2450d02842fSSascha Wildner UINT32 Value)
2460d02842fSSascha Wildner {
2470d02842fSSascha Wildner union
2480d02842fSSascha Wildner {
2490d02842fSSascha Wildner UINT32 Value;
2500d02842fSSascha Wildner UINT8 Bytes[4];
2510d02842fSSascha Wildner } Out;
2520d02842fSSascha Wildner union
2530d02842fSSascha Wildner {
2540d02842fSSascha Wildner UINT32 Value;
2550d02842fSSascha Wildner UINT8 Bytes[4];
2560d02842fSSascha Wildner } In;
2570d02842fSSascha Wildner
2580d02842fSSascha Wildner
2590d02842fSSascha Wildner ACPI_FUNCTION_ENTRY ();
2600d02842fSSascha Wildner
2610d02842fSSascha Wildner
2620d02842fSSascha Wildner In.Value = Value;
2630d02842fSSascha Wildner
2640d02842fSSascha Wildner Out.Bytes[0] = In.Bytes[3];
2650d02842fSSascha Wildner Out.Bytes[1] = In.Bytes[2];
2660d02842fSSascha Wildner Out.Bytes[2] = In.Bytes[1];
2670d02842fSSascha Wildner Out.Bytes[3] = In.Bytes[0];
2680d02842fSSascha Wildner
2690d02842fSSascha Wildner return (Out.Value);
2700d02842fSSascha Wildner }
2710d02842fSSascha Wildner
2720d02842fSSascha Wildner
2730d02842fSSascha Wildner /*******************************************************************************
2740d02842fSSascha Wildner *
2750d02842fSSascha Wildner * FUNCTION: AcpiUtSetIntegerWidth
2760d02842fSSascha Wildner *
2770d02842fSSascha Wildner * PARAMETERS: Revision From DSDT header
2780d02842fSSascha Wildner *
2790d02842fSSascha Wildner * RETURN: None
2800d02842fSSascha Wildner *
2810d02842fSSascha Wildner * DESCRIPTION: Set the global integer bit width based upon the revision
2820d02842fSSascha Wildner * of the DSDT. For Revision 1 and 0, Integers are 32 bits.
2830d02842fSSascha Wildner * For Revision 2 and above, Integers are 64 bits. Yes, this
2840d02842fSSascha Wildner * makes a difference.
2850d02842fSSascha Wildner *
2860d02842fSSascha Wildner ******************************************************************************/
2870d02842fSSascha Wildner
2880d02842fSSascha Wildner void
AcpiUtSetIntegerWidth(UINT8 Revision)2890d02842fSSascha Wildner AcpiUtSetIntegerWidth (
2900d02842fSSascha Wildner UINT8 Revision)
2910d02842fSSascha Wildner {
2920d02842fSSascha Wildner
2930d02842fSSascha Wildner if (Revision < 2)
2940d02842fSSascha Wildner {
2950d02842fSSascha Wildner /* 32-bit case */
2960d02842fSSascha Wildner
2970d02842fSSascha Wildner AcpiGbl_IntegerBitWidth = 32;
2980d02842fSSascha Wildner AcpiGbl_IntegerNybbleWidth = 8;
2990d02842fSSascha Wildner AcpiGbl_IntegerByteWidth = 4;
3000d02842fSSascha Wildner }
3010d02842fSSascha Wildner else
3020d02842fSSascha Wildner {
3030d02842fSSascha Wildner /* 64-bit case (ACPI 2.0+) */
3040d02842fSSascha Wildner
3050d02842fSSascha Wildner AcpiGbl_IntegerBitWidth = 64;
3060d02842fSSascha Wildner AcpiGbl_IntegerNybbleWidth = 16;
3070d02842fSSascha Wildner AcpiGbl_IntegerByteWidth = 8;
3080d02842fSSascha Wildner }
3090d02842fSSascha Wildner }
3100d02842fSSascha Wildner
3110d02842fSSascha Wildner
3120d02842fSSascha Wildner /*******************************************************************************
3130d02842fSSascha Wildner *
3140d02842fSSascha Wildner * FUNCTION: AcpiUtCreateUpdateStateAndPush
3150d02842fSSascha Wildner *
3160d02842fSSascha Wildner * PARAMETERS: Object - Object to be added to the new state
3170d02842fSSascha Wildner * Action - Increment/Decrement
3180d02842fSSascha Wildner * StateList - List the state will be added to
3190d02842fSSascha Wildner *
3200d02842fSSascha Wildner * RETURN: Status
3210d02842fSSascha Wildner *
3220d02842fSSascha Wildner * DESCRIPTION: Create a new state and push it
3230d02842fSSascha Wildner *
3240d02842fSSascha Wildner ******************************************************************************/
3250d02842fSSascha Wildner
3260d02842fSSascha Wildner ACPI_STATUS
AcpiUtCreateUpdateStateAndPush(ACPI_OPERAND_OBJECT * Object,UINT16 Action,ACPI_GENERIC_STATE ** StateList)3270d02842fSSascha Wildner AcpiUtCreateUpdateStateAndPush (
3280d02842fSSascha Wildner ACPI_OPERAND_OBJECT *Object,
3290d02842fSSascha Wildner UINT16 Action,
3300d02842fSSascha Wildner ACPI_GENERIC_STATE **StateList)
3310d02842fSSascha Wildner {
3320d02842fSSascha Wildner ACPI_GENERIC_STATE *State;
3330d02842fSSascha Wildner
3340d02842fSSascha Wildner
3350d02842fSSascha Wildner ACPI_FUNCTION_ENTRY ();
3360d02842fSSascha Wildner
3370d02842fSSascha Wildner
3380d02842fSSascha Wildner /* Ignore null objects; these are expected */
3390d02842fSSascha Wildner
3400d02842fSSascha Wildner if (!Object)
3410d02842fSSascha Wildner {
3420d02842fSSascha Wildner return (AE_OK);
3430d02842fSSascha Wildner }
3440d02842fSSascha Wildner
3450d02842fSSascha Wildner State = AcpiUtCreateUpdateState (Object, Action);
3460d02842fSSascha Wildner if (!State)
3470d02842fSSascha Wildner {
3480d02842fSSascha Wildner return (AE_NO_MEMORY);
3490d02842fSSascha Wildner }
3500d02842fSSascha Wildner
3510d02842fSSascha Wildner AcpiUtPushGenericState (StateList, State);
3520d02842fSSascha Wildner return (AE_OK);
3530d02842fSSascha Wildner }
3540d02842fSSascha Wildner
3550d02842fSSascha Wildner
3560d02842fSSascha Wildner /*******************************************************************************
3570d02842fSSascha Wildner *
3580d02842fSSascha Wildner * FUNCTION: AcpiUtWalkPackageTree
3590d02842fSSascha Wildner *
3600d02842fSSascha Wildner * PARAMETERS: SourceObject - The package to walk
3610d02842fSSascha Wildner * TargetObject - Target object (if package is being copied)
3620d02842fSSascha Wildner * WalkCallback - Called once for each package element
3630d02842fSSascha Wildner * Context - Passed to the callback function
3640d02842fSSascha Wildner *
3650d02842fSSascha Wildner * RETURN: Status
3660d02842fSSascha Wildner *
3673c639e0cSSascha Wildner * DESCRIPTION: Walk through a package, including subpackages
3680d02842fSSascha Wildner *
3690d02842fSSascha Wildner ******************************************************************************/
3700d02842fSSascha Wildner
3710d02842fSSascha Wildner ACPI_STATUS
AcpiUtWalkPackageTree(ACPI_OPERAND_OBJECT * SourceObject,void * TargetObject,ACPI_PKG_CALLBACK WalkCallback,void * Context)3720d02842fSSascha Wildner AcpiUtWalkPackageTree (
3730d02842fSSascha Wildner ACPI_OPERAND_OBJECT *SourceObject,
3740d02842fSSascha Wildner void *TargetObject,
3750d02842fSSascha Wildner ACPI_PKG_CALLBACK WalkCallback,
3760d02842fSSascha Wildner void *Context)
3770d02842fSSascha Wildner {
3780d02842fSSascha Wildner ACPI_STATUS Status = AE_OK;
3790d02842fSSascha Wildner ACPI_GENERIC_STATE *StateList = NULL;
3800d02842fSSascha Wildner ACPI_GENERIC_STATE *State;
3810d02842fSSascha Wildner ACPI_OPERAND_OBJECT *ThisSourceObj;
3823c639e0cSSascha Wildner UINT32 ThisIndex;
3830d02842fSSascha Wildner
3840d02842fSSascha Wildner
3850d02842fSSascha Wildner ACPI_FUNCTION_TRACE (UtWalkPackageTree);
3860d02842fSSascha Wildner
3870d02842fSSascha Wildner
3880d02842fSSascha Wildner State = AcpiUtCreatePkgState (SourceObject, TargetObject, 0);
3890d02842fSSascha Wildner if (!State)
3900d02842fSSascha Wildner {
3910d02842fSSascha Wildner return_ACPI_STATUS (AE_NO_MEMORY);
3920d02842fSSascha Wildner }
3930d02842fSSascha Wildner
3940d02842fSSascha Wildner while (State)
3950d02842fSSascha Wildner {
3960d02842fSSascha Wildner /* Get one element of the package */
3970d02842fSSascha Wildner
3980d02842fSSascha Wildner ThisIndex = State->Pkg.Index;
3993c639e0cSSascha Wildner ThisSourceObj =
4000d02842fSSascha Wildner State->Pkg.SourceObject->Package.Elements[ThisIndex];
4013c639e0cSSascha Wildner State->Pkg.ThisTargetObj =
4023c639e0cSSascha Wildner &State->Pkg.SourceObject->Package.Elements[ThisIndex];
4030d02842fSSascha Wildner
4040d02842fSSascha Wildner /*
4050d02842fSSascha Wildner * Check for:
4060d02842fSSascha Wildner * 1) An uninitialized package element. It is completely
4070d02842fSSascha Wildner * legal to declare a package and leave it uninitialized
4080d02842fSSascha Wildner * 2) Not an internal object - can be a namespace node instead
4090d02842fSSascha Wildner * 3) Any type other than a package. Packages are handled in else
4100d02842fSSascha Wildner * case below.
4110d02842fSSascha Wildner */
4120d02842fSSascha Wildner if ((!ThisSourceObj) ||
413820c5b08SSascha Wildner (ACPI_GET_DESCRIPTOR_TYPE (ThisSourceObj) !=
414820c5b08SSascha Wildner ACPI_DESC_TYPE_OPERAND) ||
4150d02842fSSascha Wildner (ThisSourceObj->Common.Type != ACPI_TYPE_PACKAGE))
4160d02842fSSascha Wildner {
4170d02842fSSascha Wildner Status = WalkCallback (ACPI_COPY_TYPE_SIMPLE, ThisSourceObj,
4180d02842fSSascha Wildner State, Context);
4190d02842fSSascha Wildner if (ACPI_FAILURE (Status))
4200d02842fSSascha Wildner {
4210d02842fSSascha Wildner return_ACPI_STATUS (Status);
4220d02842fSSascha Wildner }
4230d02842fSSascha Wildner
4240d02842fSSascha Wildner State->Pkg.Index++;
425820c5b08SSascha Wildner while (State->Pkg.Index >=
426820c5b08SSascha Wildner State->Pkg.SourceObject->Package.Count)
4270d02842fSSascha Wildner {
4280d02842fSSascha Wildner /*
4290d02842fSSascha Wildner * We've handled all of the objects at this level, This means
4300d02842fSSascha Wildner * that we have just completed a package. That package may
4310d02842fSSascha Wildner * have contained one or more packages itself.
4320d02842fSSascha Wildner *
4330d02842fSSascha Wildner * Delete this state and pop the previous state (package).
4340d02842fSSascha Wildner */
4350d02842fSSascha Wildner AcpiUtDeleteGenericState (State);
4360d02842fSSascha Wildner State = AcpiUtPopGenericState (&StateList);
4370d02842fSSascha Wildner
4380d02842fSSascha Wildner /* Finished when there are no more states */
4390d02842fSSascha Wildner
4400d02842fSSascha Wildner if (!State)
4410d02842fSSascha Wildner {
4420d02842fSSascha Wildner /*
4430d02842fSSascha Wildner * We have handled all of the objects in the top level
4440d02842fSSascha Wildner * package just add the length of the package objects
4450d02842fSSascha Wildner * and exit
4460d02842fSSascha Wildner */
4470d02842fSSascha Wildner return_ACPI_STATUS (AE_OK);
4480d02842fSSascha Wildner }
4490d02842fSSascha Wildner
4500d02842fSSascha Wildner /*
4510d02842fSSascha Wildner * Go back up a level and move the index past the just
4520d02842fSSascha Wildner * completed package object.
4530d02842fSSascha Wildner */
4540d02842fSSascha Wildner State->Pkg.Index++;
4550d02842fSSascha Wildner }
4560d02842fSSascha Wildner }
4570d02842fSSascha Wildner else
4580d02842fSSascha Wildner {
4590d02842fSSascha Wildner /* This is a subobject of type package */
4600d02842fSSascha Wildner
461820c5b08SSascha Wildner Status = WalkCallback (
462820c5b08SSascha Wildner ACPI_COPY_TYPE_PACKAGE, ThisSourceObj, State, Context);
4630d02842fSSascha Wildner if (ACPI_FAILURE (Status))
4640d02842fSSascha Wildner {
4650d02842fSSascha Wildner return_ACPI_STATUS (Status);
4660d02842fSSascha Wildner }
4670d02842fSSascha Wildner
4680d02842fSSascha Wildner /*
4690d02842fSSascha Wildner * Push the current state and create a new one
4700d02842fSSascha Wildner * The callback above returned a new target package object.
4710d02842fSSascha Wildner */
4720d02842fSSascha Wildner AcpiUtPushGenericState (&StateList, State);
473820c5b08SSascha Wildner State = AcpiUtCreatePkgState (
474820c5b08SSascha Wildner ThisSourceObj, State->Pkg.ThisTargetObj, 0);
4750d02842fSSascha Wildner if (!State)
4760d02842fSSascha Wildner {
4770d02842fSSascha Wildner /* Free any stacked Update State objects */
4780d02842fSSascha Wildner
4790d02842fSSascha Wildner while (StateList)
4800d02842fSSascha Wildner {
4810d02842fSSascha Wildner State = AcpiUtPopGenericState (&StateList);
4820d02842fSSascha Wildner AcpiUtDeleteGenericState (State);
4830d02842fSSascha Wildner }
4840d02842fSSascha Wildner return_ACPI_STATUS (AE_NO_MEMORY);
4850d02842fSSascha Wildner }
4860d02842fSSascha Wildner }
4870d02842fSSascha Wildner }
4880d02842fSSascha Wildner
4890d02842fSSascha Wildner /* We should never get here */
4900d02842fSSascha Wildner
4913c639e0cSSascha Wildner ACPI_ERROR ((AE_INFO,
4923c639e0cSSascha Wildner "State list did not terminate correctly"));
4933c639e0cSSascha Wildner
4940d02842fSSascha Wildner return_ACPI_STATUS (AE_AML_INTERNAL);
4950d02842fSSascha Wildner }
4960d02842fSSascha Wildner
4970d02842fSSascha Wildner
4980d02842fSSascha Wildner #ifdef ACPI_DEBUG_OUTPUT
4990d02842fSSascha Wildner /*******************************************************************************
5000d02842fSSascha Wildner *
5010d02842fSSascha Wildner * FUNCTION: AcpiUtDisplayInitPathname
5020d02842fSSascha Wildner *
5030d02842fSSascha Wildner * PARAMETERS: Type - Object type of the node
5040d02842fSSascha Wildner * ObjHandle - Handle whose pathname will be displayed
5050d02842fSSascha Wildner * Path - Additional path string to be appended.
5060d02842fSSascha Wildner * (NULL if no extra path)
5070d02842fSSascha Wildner *
5080d02842fSSascha Wildner * RETURN: ACPI_STATUS
5090d02842fSSascha Wildner *
5100d02842fSSascha Wildner * DESCRIPTION: Display full pathname of an object, DEBUG ONLY
5110d02842fSSascha Wildner *
5120d02842fSSascha Wildner ******************************************************************************/
5130d02842fSSascha Wildner
5140d02842fSSascha Wildner void
AcpiUtDisplayInitPathname(UINT8 Type,ACPI_NAMESPACE_NODE * ObjHandle,const char * Path)5150d02842fSSascha Wildner AcpiUtDisplayInitPathname (
5160d02842fSSascha Wildner UINT8 Type,
5170d02842fSSascha Wildner ACPI_NAMESPACE_NODE *ObjHandle,
5182ffe9f16SSascha Wildner const char *Path)
5190d02842fSSascha Wildner {
5200d02842fSSascha Wildner ACPI_STATUS Status;
5210d02842fSSascha Wildner ACPI_BUFFER Buffer;
5220d02842fSSascha Wildner
5230d02842fSSascha Wildner
5240d02842fSSascha Wildner ACPI_FUNCTION_ENTRY ();
5250d02842fSSascha Wildner
5260d02842fSSascha Wildner
5270d02842fSSascha Wildner /* Only print the path if the appropriate debug level is enabled */
5280d02842fSSascha Wildner
5290d02842fSSascha Wildner if (!(AcpiDbgLevel & ACPI_LV_INIT_NAMES))
5300d02842fSSascha Wildner {
5310d02842fSSascha Wildner return;
5320d02842fSSascha Wildner }
5330d02842fSSascha Wildner
5340d02842fSSascha Wildner /* Get the full pathname to the node */
5350d02842fSSascha Wildner
5360d02842fSSascha Wildner Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER;
5373cc0afc6SSascha Wildner Status = AcpiNsHandleToPathname (ObjHandle, &Buffer, TRUE);
5380d02842fSSascha Wildner if (ACPI_FAILURE (Status))
5390d02842fSSascha Wildner {
5400d02842fSSascha Wildner return;
5410d02842fSSascha Wildner }
5420d02842fSSascha Wildner
5430d02842fSSascha Wildner /* Print what we're doing */
5440d02842fSSascha Wildner
5450d02842fSSascha Wildner switch (Type)
5460d02842fSSascha Wildner {
5470d02842fSSascha Wildner case ACPI_TYPE_METHOD:
5480d02842fSSascha Wildner
5490d02842fSSascha Wildner AcpiOsPrintf ("Executing ");
5500d02842fSSascha Wildner break;
5510d02842fSSascha Wildner
5520d02842fSSascha Wildner default:
5530d02842fSSascha Wildner
5540d02842fSSascha Wildner AcpiOsPrintf ("Initializing ");
5550d02842fSSascha Wildner break;
5560d02842fSSascha Wildner }
5570d02842fSSascha Wildner
5580d02842fSSascha Wildner /* Print the object type and pathname */
5590d02842fSSascha Wildner
5600d02842fSSascha Wildner AcpiOsPrintf ("%-12s %s",
5610d02842fSSascha Wildner AcpiUtGetTypeName (Type), (char *) Buffer.Pointer);
5620d02842fSSascha Wildner
5630d02842fSSascha Wildner /* Extra path is used to append names like _STA, _INI, etc. */
5640d02842fSSascha Wildner
5650d02842fSSascha Wildner if (Path)
5660d02842fSSascha Wildner {
5670d02842fSSascha Wildner AcpiOsPrintf (".%s", Path);
5680d02842fSSascha Wildner }
5690d02842fSSascha Wildner AcpiOsPrintf ("\n");
5700d02842fSSascha Wildner
5710d02842fSSascha Wildner ACPI_FREE (Buffer.Pointer);
5720d02842fSSascha Wildner }
5730d02842fSSascha Wildner #endif
574