10d02842fSSascha Wildner /******************************************************************************
20d02842fSSascha Wildner *
30d02842fSSascha Wildner * Module Name: aslopcode - AML opcode generation
40d02842fSSascha Wildner *
50d02842fSSascha Wildner *****************************************************************************/
60d02842fSSascha Wildner
7b4315fc7SSascha Wildner /******************************************************************************
8b4315fc7SSascha Wildner *
9b4315fc7SSascha Wildner * 1. Copyright Notice
10b4315fc7SSascha Wildner *
11383048acSSascha 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 "aslcompiler.h"
1530d02842fSSascha Wildner #include "aslcompiler.y.h"
1540d02842fSSascha Wildner #include "amlcode.h"
1550d02842fSSascha Wildner
1560d02842fSSascha Wildner #define _COMPONENT ACPI_COMPILER
1570d02842fSSascha Wildner ACPI_MODULE_NAME ("aslopcodes")
1580d02842fSSascha Wildner
1590d02842fSSascha Wildner
1600d02842fSSascha Wildner /* Local prototypes */
1610d02842fSSascha Wildner
1620d02842fSSascha Wildner static void
1630d02842fSSascha Wildner OpcDoAccessAs (
1640d02842fSSascha Wildner ACPI_PARSE_OBJECT *Op);
1650d02842fSSascha Wildner
1660d02842fSSascha Wildner static void
1670d02842fSSascha Wildner OpcDoConnection (
1680d02842fSSascha Wildner ACPI_PARSE_OBJECT *Op);
1690d02842fSSascha Wildner
1700d02842fSSascha Wildner static void
1710d02842fSSascha Wildner OpcDoUnicode (
1720d02842fSSascha Wildner ACPI_PARSE_OBJECT *Op);
1730d02842fSSascha Wildner
1740d02842fSSascha Wildner static void
1750d02842fSSascha Wildner OpcDoEisaId (
1760d02842fSSascha Wildner ACPI_PARSE_OBJECT *Op);
1770d02842fSSascha Wildner
1780d02842fSSascha Wildner static void
1790d02842fSSascha Wildner OpcDoUuId (
1800d02842fSSascha Wildner ACPI_PARSE_OBJECT *Op);
1810d02842fSSascha Wildner
1820d02842fSSascha Wildner
1830d02842fSSascha Wildner /*******************************************************************************
1840d02842fSSascha Wildner *
1850d02842fSSascha Wildner * FUNCTION: OpcAmlOpcodeUpdateWalk
1860d02842fSSascha Wildner *
1870d02842fSSascha Wildner * PARAMETERS: ASL_WALK_CALLBACK
1880d02842fSSascha Wildner *
1890d02842fSSascha Wildner * RETURN: Status
1900d02842fSSascha Wildner *
1910d02842fSSascha Wildner * DESCRIPTION: Opcode update walk, ascending callback
1920d02842fSSascha Wildner *
1930d02842fSSascha Wildner ******************************************************************************/
1940d02842fSSascha Wildner
1950d02842fSSascha Wildner ACPI_STATUS
OpcAmlOpcodeUpdateWalk(ACPI_PARSE_OBJECT * Op,UINT32 Level,void * Context)1960d02842fSSascha Wildner OpcAmlOpcodeUpdateWalk (
1970d02842fSSascha Wildner ACPI_PARSE_OBJECT *Op,
1980d02842fSSascha Wildner UINT32 Level,
1990d02842fSSascha Wildner void *Context)
2000d02842fSSascha Wildner {
2010d02842fSSascha Wildner
2020d02842fSSascha Wildner /*
2030d02842fSSascha Wildner * Handle the Package() case where the actual opcode cannot be determined
2040d02842fSSascha Wildner * until the PackageLength operand has been folded and minimized.
2050d02842fSSascha Wildner * (PackageOp versus VarPackageOp)
2060d02842fSSascha Wildner *
2070d02842fSSascha Wildner * This is (as of ACPI 3.0) the only case where the AML opcode can change
2080d02842fSSascha Wildner * based upon the value of a parameter.
2090d02842fSSascha Wildner *
2100d02842fSSascha Wildner * The parser always inserts a VarPackage opcode, which can possibly be
2110d02842fSSascha Wildner * optimized to a Package opcode.
2120d02842fSSascha Wildner */
2130d02842fSSascha Wildner if (Op->Asl.ParseOpcode == PARSEOP_VAR_PACKAGE)
2140d02842fSSascha Wildner {
2150d02842fSSascha Wildner OpnDoPackage (Op);
2160d02842fSSascha Wildner }
2170d02842fSSascha Wildner
2180d02842fSSascha Wildner return (AE_OK);
2190d02842fSSascha Wildner }
2200d02842fSSascha Wildner
2210d02842fSSascha Wildner
2220d02842fSSascha Wildner /*******************************************************************************
2230d02842fSSascha Wildner *
2240d02842fSSascha Wildner * FUNCTION: OpcAmlOpcodeWalk
2250d02842fSSascha Wildner *
2260d02842fSSascha Wildner * PARAMETERS: ASL_WALK_CALLBACK
2270d02842fSSascha Wildner *
2280d02842fSSascha Wildner * RETURN: Status
2290d02842fSSascha Wildner *
2300d02842fSSascha Wildner * DESCRIPTION: Parse tree walk to generate both the AML opcodes and the AML
2310d02842fSSascha Wildner * operands.
2320d02842fSSascha Wildner *
2330d02842fSSascha Wildner ******************************************************************************/
2340d02842fSSascha Wildner
2350d02842fSSascha Wildner ACPI_STATUS
OpcAmlOpcodeWalk(ACPI_PARSE_OBJECT * Op,UINT32 Level,void * Context)2360d02842fSSascha Wildner OpcAmlOpcodeWalk (
2370d02842fSSascha Wildner ACPI_PARSE_OBJECT *Op,
2380d02842fSSascha Wildner UINT32 Level,
2390d02842fSSascha Wildner void *Context)
2400d02842fSSascha Wildner {
2410d02842fSSascha Wildner
242806343b9SSascha Wildner AslGbl_TotalParseNodes++;
2430d02842fSSascha Wildner
2440d02842fSSascha Wildner OpcGenerateAmlOpcode (Op);
2450d02842fSSascha Wildner OpnGenerateAmlOperands (Op);
2460d02842fSSascha Wildner return (AE_OK);
2470d02842fSSascha Wildner }
2480d02842fSSascha Wildner
2490d02842fSSascha Wildner
2500d02842fSSascha Wildner /*******************************************************************************
2510d02842fSSascha Wildner *
2520d02842fSSascha Wildner * FUNCTION: OpcGetIntegerWidth
2530d02842fSSascha Wildner *
2540d02842fSSascha Wildner * PARAMETERS: Op - DEFINITION BLOCK op
2550d02842fSSascha Wildner *
2560d02842fSSascha Wildner * RETURN: none
2570d02842fSSascha Wildner *
2580d02842fSSascha Wildner * DESCRIPTION: Extract integer width from the table revision
2590d02842fSSascha Wildner *
2600d02842fSSascha Wildner ******************************************************************************/
2610d02842fSSascha Wildner
2620d02842fSSascha Wildner void
OpcGetIntegerWidth(ACPI_PARSE_OBJECT * Op)2630d02842fSSascha Wildner OpcGetIntegerWidth (
2640d02842fSSascha Wildner ACPI_PARSE_OBJECT *Op)
2650d02842fSSascha Wildner {
2660d02842fSSascha Wildner ACPI_PARSE_OBJECT *Child;
2670d02842fSSascha Wildner
2680d02842fSSascha Wildner
2690d02842fSSascha Wildner if (!Op)
2700d02842fSSascha Wildner {
2710d02842fSSascha Wildner return;
2720d02842fSSascha Wildner }
2730d02842fSSascha Wildner
274806343b9SSascha Wildner if (AslGbl_RevisionOverride)
2750d02842fSSascha Wildner {
276806343b9SSascha Wildner AcpiUtSetIntegerWidth (AslGbl_RevisionOverride);
2770d02842fSSascha Wildner }
2780d02842fSSascha Wildner else
2790d02842fSSascha Wildner {
2800d02842fSSascha Wildner Child = Op->Asl.Child;
2810d02842fSSascha Wildner Child = Child->Asl.Next;
2820d02842fSSascha Wildner Child = Child->Asl.Next;
2830d02842fSSascha Wildner
2840d02842fSSascha Wildner /* Use the revision to set the integer width */
2850d02842fSSascha Wildner
2860d02842fSSascha Wildner AcpiUtSetIntegerWidth ((UINT8) Child->Asl.Value.Integer);
2870d02842fSSascha Wildner }
2880d02842fSSascha Wildner }
2890d02842fSSascha Wildner
2900d02842fSSascha Wildner
2910d02842fSSascha Wildner /*******************************************************************************
2920d02842fSSascha Wildner *
2930d02842fSSascha Wildner * FUNCTION: OpcSetOptimalIntegerSize
2940d02842fSSascha Wildner *
2950d02842fSSascha Wildner * PARAMETERS: Op - A parse tree node
2960d02842fSSascha Wildner *
2970d02842fSSascha Wildner * RETURN: Integer width, in bytes. Also sets the node AML opcode to the
2980d02842fSSascha Wildner * optimal integer AML prefix opcode.
2990d02842fSSascha Wildner *
3000d02842fSSascha Wildner * DESCRIPTION: Determine the optimal AML encoding of an integer. All leading
3010d02842fSSascha Wildner * zeros can be truncated to squeeze the integer into the
3020d02842fSSascha Wildner * minimal number of AML bytes.
3030d02842fSSascha Wildner *
3040d02842fSSascha Wildner ******************************************************************************/
3050d02842fSSascha Wildner
3060d02842fSSascha Wildner UINT32
OpcSetOptimalIntegerSize(ACPI_PARSE_OBJECT * Op)3070d02842fSSascha Wildner OpcSetOptimalIntegerSize (
3080d02842fSSascha Wildner ACPI_PARSE_OBJECT *Op)
3090d02842fSSascha Wildner {
3100d02842fSSascha Wildner
3110d02842fSSascha Wildner #if 0
3120d02842fSSascha Wildner /*
3130d02842fSSascha Wildner * TBD: - we don't want to optimize integers in the block header, but the
3140d02842fSSascha Wildner * code below does not work correctly.
3150d02842fSSascha Wildner */
3160d02842fSSascha Wildner if (Op->Asl.Parent &&
3170d02842fSSascha Wildner Op->Asl.Parent->Asl.Parent &&
318820c5b08SSascha Wildner (Op->Asl.Parent->Asl.Parent->Asl.ParseOpcode == PARSEOP_DEFINITION_BLOCK))
3190d02842fSSascha Wildner {
3200d02842fSSascha Wildner return (0);
3210d02842fSSascha Wildner }
3220d02842fSSascha Wildner #endif
3230d02842fSSascha Wildner
3240d02842fSSascha Wildner /*
3250d02842fSSascha Wildner * Check for the special AML integers first - Zero, One, Ones.
3260d02842fSSascha Wildner * These are single-byte opcodes that are the smallest possible
3270d02842fSSascha Wildner * representation of an integer.
3280d02842fSSascha Wildner *
3290d02842fSSascha Wildner * This optimization is optional.
3300d02842fSSascha Wildner */
331806343b9SSascha Wildner if (AslGbl_IntegerOptimizationFlag)
3320d02842fSSascha Wildner {
3330d02842fSSascha Wildner switch (Op->Asl.Value.Integer)
3340d02842fSSascha Wildner {
3350d02842fSSascha Wildner case 0:
3360d02842fSSascha Wildner
3370d02842fSSascha Wildner Op->Asl.AmlOpcode = AML_ZERO_OP;
3380d02842fSSascha Wildner AslError (ASL_OPTIMIZATION, ASL_MSG_INTEGER_OPTIMIZATION,
3390d02842fSSascha Wildner Op, "Zero");
3400d02842fSSascha Wildner return (1);
3410d02842fSSascha Wildner
3420d02842fSSascha Wildner case 1:
3430d02842fSSascha Wildner
3440d02842fSSascha Wildner Op->Asl.AmlOpcode = AML_ONE_OP;
3450d02842fSSascha Wildner AslError (ASL_OPTIMIZATION, ASL_MSG_INTEGER_OPTIMIZATION,
3460d02842fSSascha Wildner Op, "One");
3470d02842fSSascha Wildner return (1);
3480d02842fSSascha Wildner
3490d02842fSSascha Wildner case ACPI_UINT32_MAX:
3500d02842fSSascha Wildner
3510d02842fSSascha Wildner /* Check for table integer width (32 or 64) */
3520d02842fSSascha Wildner
3530d02842fSSascha Wildner if (AcpiGbl_IntegerByteWidth == 4)
3540d02842fSSascha Wildner {
3550d02842fSSascha Wildner Op->Asl.AmlOpcode = AML_ONES_OP;
3560d02842fSSascha Wildner AslError (ASL_OPTIMIZATION, ASL_MSG_INTEGER_OPTIMIZATION,
3570d02842fSSascha Wildner Op, "Ones");
3580d02842fSSascha Wildner return (1);
3590d02842fSSascha Wildner }
3600d02842fSSascha Wildner break;
3610d02842fSSascha Wildner
3620d02842fSSascha Wildner case ACPI_UINT64_MAX:
3630d02842fSSascha Wildner
3640d02842fSSascha Wildner /* Check for table integer width (32 or 64) */
3650d02842fSSascha Wildner
3660d02842fSSascha Wildner if (AcpiGbl_IntegerByteWidth == 8)
3670d02842fSSascha Wildner {
3680d02842fSSascha Wildner Op->Asl.AmlOpcode = AML_ONES_OP;
3690d02842fSSascha Wildner AslError (ASL_OPTIMIZATION, ASL_MSG_INTEGER_OPTIMIZATION,
3700d02842fSSascha Wildner Op, "Ones");
3710d02842fSSascha Wildner return (1);
3720d02842fSSascha Wildner }
3730d02842fSSascha Wildner break;
3740d02842fSSascha Wildner
3750d02842fSSascha Wildner default:
3760d02842fSSascha Wildner
3770d02842fSSascha Wildner break;
3780d02842fSSascha Wildner }
3790d02842fSSascha Wildner }
3800d02842fSSascha Wildner
3810d02842fSSascha Wildner /* Find the best fit using the various AML integer prefixes */
3820d02842fSSascha Wildner
3830d02842fSSascha Wildner if (Op->Asl.Value.Integer <= ACPI_UINT8_MAX)
3840d02842fSSascha Wildner {
3850d02842fSSascha Wildner Op->Asl.AmlOpcode = AML_BYTE_OP;
3860d02842fSSascha Wildner return (1);
3870d02842fSSascha Wildner }
388820c5b08SSascha Wildner
3890d02842fSSascha Wildner if (Op->Asl.Value.Integer <= ACPI_UINT16_MAX)
3900d02842fSSascha Wildner {
3910d02842fSSascha Wildner Op->Asl.AmlOpcode = AML_WORD_OP;
3920d02842fSSascha Wildner return (2);
3930d02842fSSascha Wildner }
394820c5b08SSascha Wildner
3950d02842fSSascha Wildner if (Op->Asl.Value.Integer <= ACPI_UINT32_MAX)
3960d02842fSSascha Wildner {
3970d02842fSSascha Wildner Op->Asl.AmlOpcode = AML_DWORD_OP;
3980d02842fSSascha Wildner return (4);
3990d02842fSSascha Wildner }
400a96e04f2SSascha Wildner else /* 64-bit integer */
4010d02842fSSascha Wildner {
4020d02842fSSascha Wildner if (AcpiGbl_IntegerByteWidth == 4)
4030d02842fSSascha Wildner {
4040d02842fSSascha Wildner AslError (ASL_WARNING, ASL_MSG_INTEGER_LENGTH,
4050d02842fSSascha Wildner Op, NULL);
4060d02842fSSascha Wildner
407806343b9SSascha Wildner if (!AslGbl_IgnoreErrors)
4080d02842fSSascha Wildner {
4090d02842fSSascha Wildner /* Truncate the integer to 32-bit */
410a96e04f2SSascha Wildner
411a96e04f2SSascha Wildner Op->Asl.Value.Integer &= ACPI_UINT32_MAX;
412a96e04f2SSascha Wildner
413a96e04f2SSascha Wildner /* Now set the optimal integer size */
414a96e04f2SSascha Wildner
415a96e04f2SSascha Wildner return (OpcSetOptimalIntegerSize (Op));
4160d02842fSSascha Wildner }
4170d02842fSSascha Wildner }
4180d02842fSSascha Wildner
4190d02842fSSascha Wildner Op->Asl.AmlOpcode = AML_QWORD_OP;
4200d02842fSSascha Wildner return (8);
4210d02842fSSascha Wildner }
4220d02842fSSascha Wildner }
4230d02842fSSascha Wildner
4240d02842fSSascha Wildner
4250d02842fSSascha Wildner /*******************************************************************************
4260d02842fSSascha Wildner *
4270d02842fSSascha Wildner * FUNCTION: OpcDoAccessAs
4280d02842fSSascha Wildner *
4290d02842fSSascha Wildner * PARAMETERS: Op - Parse node
4300d02842fSSascha Wildner *
4310d02842fSSascha Wildner * RETURN: None
4320d02842fSSascha Wildner *
4330d02842fSSascha Wildner * DESCRIPTION: Implement the ACCESS_AS ASL keyword.
4340d02842fSSascha Wildner *
4350d02842fSSascha Wildner ******************************************************************************/
4360d02842fSSascha Wildner
4370d02842fSSascha Wildner static void
OpcDoAccessAs(ACPI_PARSE_OBJECT * Op)4380d02842fSSascha Wildner OpcDoAccessAs (
4390d02842fSSascha Wildner ACPI_PARSE_OBJECT *Op)
4400d02842fSSascha Wildner {
4410d02842fSSascha Wildner ACPI_PARSE_OBJECT *TypeOp;
4420d02842fSSascha Wildner ACPI_PARSE_OBJECT *AttribOp;
4430d02842fSSascha Wildner ACPI_PARSE_OBJECT *LengthOp;
4440d02842fSSascha Wildner UINT8 Attribute;
4450d02842fSSascha Wildner
4460d02842fSSascha Wildner
4470d02842fSSascha Wildner Op->Asl.AmlOpcodeLength = 1;
4480d02842fSSascha Wildner TypeOp = Op->Asl.Child;
4490d02842fSSascha Wildner
4500d02842fSSascha Wildner /* First child is the access type */
4510d02842fSSascha Wildner
4520d02842fSSascha Wildner TypeOp->Asl.AmlOpcode = AML_RAW_DATA_BYTE;
4530d02842fSSascha Wildner TypeOp->Asl.ParseOpcode = PARSEOP_RAW_DATA;
4540d02842fSSascha Wildner
4550d02842fSSascha Wildner /* Second child is the optional access attribute */
4560d02842fSSascha Wildner
4570d02842fSSascha Wildner AttribOp = TypeOp->Asl.Next;
4580d02842fSSascha Wildner if (AttribOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
4590d02842fSSascha Wildner {
4600d02842fSSascha Wildner AttribOp->Asl.Value.Integer = 0;
4610d02842fSSascha Wildner }
462820c5b08SSascha Wildner
4630d02842fSSascha Wildner AttribOp->Asl.AmlOpcode = AML_RAW_DATA_BYTE;
4640d02842fSSascha Wildner AttribOp->Asl.ParseOpcode = PARSEOP_RAW_DATA;
4650d02842fSSascha Wildner
4660d02842fSSascha Wildner /* Only a few AccessAttributes support AccessLength */
4670d02842fSSascha Wildner
4680d02842fSSascha Wildner Attribute = (UINT8) AttribOp->Asl.Value.Integer;
469806343b9SSascha Wildner if ((Attribute != AML_FIELD_ATTRIB_BYTES) &&
4700d02842fSSascha Wildner (Attribute != AML_FIELD_ATTRIB_RAW_BYTES) &&
471806343b9SSascha Wildner (Attribute != AML_FIELD_ATTRIB_RAW_PROCESS_BYTES))
4720d02842fSSascha Wildner {
4730d02842fSSascha Wildner return;
4740d02842fSSascha Wildner }
4750d02842fSSascha Wildner
4760d02842fSSascha Wildner Op->Asl.AmlOpcode = AML_FIELD_EXT_ACCESS_OP;
4770d02842fSSascha Wildner
4780d02842fSSascha Wildner /*
4790d02842fSSascha Wildner * Child of Attributes is the AccessLength (required for Multibyte,
4800d02842fSSascha Wildner * RawBytes, RawProcess.)
4810d02842fSSascha Wildner */
4820d02842fSSascha Wildner LengthOp = AttribOp->Asl.Child;
4830d02842fSSascha Wildner if (!LengthOp)
4840d02842fSSascha Wildner {
4850d02842fSSascha Wildner return;
4860d02842fSSascha Wildner }
4870d02842fSSascha Wildner
4880d02842fSSascha Wildner /* TBD: probably can remove */
4890d02842fSSascha Wildner
4900d02842fSSascha Wildner if (LengthOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
4910d02842fSSascha Wildner {
4920d02842fSSascha Wildner LengthOp->Asl.Value.Integer = 16;
4930d02842fSSascha Wildner }
4940d02842fSSascha Wildner
4950d02842fSSascha Wildner LengthOp->Asl.AmlOpcode = AML_RAW_DATA_BYTE;
4960d02842fSSascha Wildner LengthOp->Asl.ParseOpcode = PARSEOP_RAW_DATA;
4970d02842fSSascha Wildner }
4980d02842fSSascha Wildner
4990d02842fSSascha Wildner
5000d02842fSSascha Wildner /*******************************************************************************
5010d02842fSSascha Wildner *
5020d02842fSSascha Wildner * FUNCTION: OpcDoConnection
5030d02842fSSascha Wildner *
5040d02842fSSascha Wildner * PARAMETERS: Op - Parse node
5050d02842fSSascha Wildner *
5060d02842fSSascha Wildner * RETURN: None
5070d02842fSSascha Wildner *
5080d02842fSSascha Wildner * DESCRIPTION: Implement the Connection ASL keyword.
5090d02842fSSascha Wildner *
5100d02842fSSascha Wildner ******************************************************************************/
5110d02842fSSascha Wildner
5120d02842fSSascha Wildner static void
OpcDoConnection(ACPI_PARSE_OBJECT * Op)5130d02842fSSascha Wildner OpcDoConnection (
5140d02842fSSascha Wildner ACPI_PARSE_OBJECT *Op)
5150d02842fSSascha Wildner {
5160d02842fSSascha Wildner ASL_RESOURCE_NODE *Rnode;
5170d02842fSSascha Wildner ACPI_PARSE_OBJECT *BufferOp;
5180d02842fSSascha Wildner ACPI_PARSE_OBJECT *BufferLengthOp;
5190d02842fSSascha Wildner ACPI_PARSE_OBJECT *BufferDataOp;
5202e2672b8SSascha Wildner ASL_RESOURCE_INFO Info;
5210d02842fSSascha Wildner UINT8 State;
5220d02842fSSascha Wildner
5230d02842fSSascha Wildner
5240d02842fSSascha Wildner Op->Asl.AmlOpcodeLength = 1;
5250d02842fSSascha Wildner
5260d02842fSSascha Wildner if (Op->Asl.Child->Asl.AmlOpcode == AML_INT_NAMEPATH_OP)
5270d02842fSSascha Wildner {
5280d02842fSSascha Wildner return;
5290d02842fSSascha Wildner }
5300d02842fSSascha Wildner
5310d02842fSSascha Wildner BufferOp = Op->Asl.Child;
5320d02842fSSascha Wildner BufferLengthOp = BufferOp->Asl.Child;
5330d02842fSSascha Wildner BufferDataOp = BufferLengthOp->Asl.Next;
5340d02842fSSascha Wildner
5352e2672b8SSascha Wildner Info.DescriptorTypeOp = BufferDataOp->Asl.Next;
5362e2672b8SSascha Wildner Info.CurrentByteOffset = 0;
5370d02842fSSascha Wildner State = ACPI_RSTATE_NORMAL;
5382e2672b8SSascha Wildner Rnode = RsDoOneResourceDescriptor (&Info, &State);
5390d02842fSSascha Wildner if (!Rnode)
5400d02842fSSascha Wildner {
5410d02842fSSascha Wildner return; /* error */
5420d02842fSSascha Wildner }
5430d02842fSSascha Wildner
5440d02842fSSascha Wildner /*
5450d02842fSSascha Wildner * Transform the nodes into the following
5460d02842fSSascha Wildner *
5470d02842fSSascha Wildner * Op -> AML_BUFFER_OP
5480d02842fSSascha Wildner * First Child -> BufferLength
5490d02842fSSascha Wildner * Second Child -> Descriptor Buffer (raw byte data)
5500d02842fSSascha Wildner */
5510d02842fSSascha Wildner BufferOp->Asl.ParseOpcode = PARSEOP_BUFFER;
5520d02842fSSascha Wildner BufferOp->Asl.AmlOpcode = AML_BUFFER_OP;
5531093ca81SSascha Wildner BufferOp->Asl.CompileFlags = OP_AML_PACKAGE | OP_IS_RESOURCE_DESC;
5540d02842fSSascha Wildner UtSetParseOpName (BufferOp);
5550d02842fSSascha Wildner
5560d02842fSSascha Wildner BufferLengthOp->Asl.ParseOpcode = PARSEOP_INTEGER;
5570d02842fSSascha Wildner BufferLengthOp->Asl.Value.Integer = Rnode->BufferLength;
5580d02842fSSascha Wildner (void) OpcSetOptimalIntegerSize (BufferLengthOp);
5590d02842fSSascha Wildner UtSetParseOpName (BufferLengthOp);
5600d02842fSSascha Wildner
5610d02842fSSascha Wildner BufferDataOp->Asl.ParseOpcode = PARSEOP_RAW_DATA;
5620d02842fSSascha Wildner BufferDataOp->Asl.AmlOpcode = AML_RAW_DATA_CHAIN;
5630d02842fSSascha Wildner BufferDataOp->Asl.AmlOpcodeLength = 0;
5640d02842fSSascha Wildner BufferDataOp->Asl.AmlLength = Rnode->BufferLength;
5650d02842fSSascha Wildner BufferDataOp->Asl.Value.Buffer = (UINT8 *) Rnode;
5660d02842fSSascha Wildner UtSetParseOpName (BufferDataOp);
5670d02842fSSascha Wildner }
5680d02842fSSascha Wildner
5690d02842fSSascha Wildner
5700d02842fSSascha Wildner /*******************************************************************************
5710d02842fSSascha Wildner *
5720d02842fSSascha Wildner * FUNCTION: OpcDoUnicode
5730d02842fSSascha Wildner *
5740d02842fSSascha Wildner * PARAMETERS: Op - Parse node
5750d02842fSSascha Wildner *
5760d02842fSSascha Wildner * RETURN: None
5770d02842fSSascha Wildner *
5780d02842fSSascha Wildner * DESCRIPTION: Implement the UNICODE ASL "macro". Convert the input string
5790d02842fSSascha Wildner * to a unicode buffer. There is no Unicode AML opcode.
5800d02842fSSascha Wildner *
5810d02842fSSascha Wildner * Note: The Unicode string is 16 bits per character, no leading signature,
5820d02842fSSascha Wildner * with a 16-bit terminating NULL.
5830d02842fSSascha Wildner *
5840d02842fSSascha Wildner ******************************************************************************/
5850d02842fSSascha Wildner
5860d02842fSSascha Wildner static void
OpcDoUnicode(ACPI_PARSE_OBJECT * Op)5870d02842fSSascha Wildner OpcDoUnicode (
5880d02842fSSascha Wildner ACPI_PARSE_OBJECT *Op)
5890d02842fSSascha Wildner {
5900d02842fSSascha Wildner ACPI_PARSE_OBJECT *InitializerOp;
5910d02842fSSascha Wildner UINT32 Length;
5920d02842fSSascha Wildner UINT32 Count;
5930d02842fSSascha Wildner UINT32 i;
5940d02842fSSascha Wildner UINT8 *AsciiString;
5950d02842fSSascha Wildner UINT16 *UnicodeString;
5960d02842fSSascha Wildner ACPI_PARSE_OBJECT *BufferLengthOp;
5970d02842fSSascha Wildner
5980d02842fSSascha Wildner
5990d02842fSSascha Wildner /* Change op into a buffer object */
6000d02842fSSascha Wildner
6011093ca81SSascha Wildner Op->Asl.CompileFlags &= ~OP_COMPILE_TIME_CONST;
6020d02842fSSascha Wildner Op->Asl.ParseOpcode = PARSEOP_BUFFER;
6030d02842fSSascha Wildner UtSetParseOpName (Op);
6040d02842fSSascha Wildner
6050d02842fSSascha Wildner /* Buffer Length is first, followed by the string */
6060d02842fSSascha Wildner
6070d02842fSSascha Wildner BufferLengthOp = Op->Asl.Child;
6080d02842fSSascha Wildner InitializerOp = BufferLengthOp->Asl.Next;
6090d02842fSSascha Wildner
6100d02842fSSascha Wildner AsciiString = (UINT8 *) InitializerOp->Asl.Value.String;
6110d02842fSSascha Wildner
6120d02842fSSascha Wildner /* Create a new buffer for the Unicode string */
6130d02842fSSascha Wildner
6140d02842fSSascha Wildner Count = strlen (InitializerOp->Asl.Value.String) + 1;
6150d02842fSSascha Wildner Length = Count * sizeof (UINT16);
6160d02842fSSascha Wildner UnicodeString = UtLocalCalloc (Length);
6170d02842fSSascha Wildner
6180d02842fSSascha Wildner /* Convert to Unicode string (including null terminator) */
6190d02842fSSascha Wildner
6200d02842fSSascha Wildner for (i = 0; i < Count; i++)
6210d02842fSSascha Wildner {
6220d02842fSSascha Wildner UnicodeString[i] = (UINT16) AsciiString[i];
6230d02842fSSascha Wildner }
6240d02842fSSascha Wildner
6250d02842fSSascha Wildner /*
6260d02842fSSascha Wildner * Just set the buffer size node to be the buffer length, regardless
6270d02842fSSascha Wildner * of whether it was previously an integer or a default_arg placeholder
6280d02842fSSascha Wildner */
6290d02842fSSascha Wildner BufferLengthOp->Asl.ParseOpcode = PARSEOP_INTEGER;
6300d02842fSSascha Wildner BufferLengthOp->Asl.AmlOpcode = AML_DWORD_OP;
6310d02842fSSascha Wildner BufferLengthOp->Asl.Value.Integer = Length;
6320d02842fSSascha Wildner UtSetParseOpName (BufferLengthOp);
6330d02842fSSascha Wildner
6340d02842fSSascha Wildner (void) OpcSetOptimalIntegerSize (BufferLengthOp);
6350d02842fSSascha Wildner
6360d02842fSSascha Wildner /* The Unicode string is a raw data buffer */
6370d02842fSSascha Wildner
6380d02842fSSascha Wildner InitializerOp->Asl.Value.Buffer = (UINT8 *) UnicodeString;
6390d02842fSSascha Wildner InitializerOp->Asl.AmlOpcode = AML_RAW_DATA_BUFFER;
6400d02842fSSascha Wildner InitializerOp->Asl.AmlLength = Length;
6410d02842fSSascha Wildner InitializerOp->Asl.ParseOpcode = PARSEOP_RAW_DATA;
6420d02842fSSascha Wildner InitializerOp->Asl.Child = NULL;
6430d02842fSSascha Wildner UtSetParseOpName (InitializerOp);
6440d02842fSSascha Wildner }
6450d02842fSSascha Wildner
6460d02842fSSascha Wildner
6470d02842fSSascha Wildner /*******************************************************************************
6480d02842fSSascha Wildner *
6490d02842fSSascha Wildner * FUNCTION: OpcDoEisaId
6500d02842fSSascha Wildner *
6510d02842fSSascha Wildner * PARAMETERS: Op - Parse node
6520d02842fSSascha Wildner *
6530d02842fSSascha Wildner * RETURN: None
6540d02842fSSascha Wildner *
6550d02842fSSascha Wildner * DESCRIPTION: Convert a string EISA ID to numeric representation. See the
6560d02842fSSascha Wildner * Pnp BIOS Specification for details. Here is an excerpt:
6570d02842fSSascha Wildner *
6580d02842fSSascha Wildner * A seven character ASCII representation of the product
6590d02842fSSascha Wildner * identifier compressed into a 32-bit identifier. The seven
6600d02842fSSascha Wildner * character ID consists of a three character manufacturer code,
6610d02842fSSascha Wildner * a three character hexadecimal product identifier, and a one
6620d02842fSSascha Wildner * character hexadecimal revision number. The manufacturer code
6630d02842fSSascha Wildner * is a 3 uppercase character code that is compressed into 3 5-bit
6640d02842fSSascha Wildner * values as follows:
6650d02842fSSascha Wildner * 1) Find hex ASCII value for each letter
6660d02842fSSascha Wildner * 2) Subtract 40h from each ASCII value
6670d02842fSSascha Wildner * 3) Retain 5 least significant bits for each letter by
6680d02842fSSascha Wildner * discarding upper 3 bits because they are always 0.
6690d02842fSSascha Wildner * 4) Compressed code = concatenate 0 and the 3 5-bit values
6700d02842fSSascha Wildner *
6710d02842fSSascha Wildner * The format of the compressed product identifier is as follows:
6720d02842fSSascha Wildner * Byte 0: Bit 7 - Reserved (0)
6730d02842fSSascha Wildner * Bits 6-2: - 1st character of compressed mfg code
6740d02842fSSascha Wildner * Bits 1-0 - Upper 2 bits of 2nd character of mfg code
6750d02842fSSascha Wildner * Byte 1: Bits 7-5 - Lower 3 bits of 2nd character of mfg code
6760d02842fSSascha Wildner * Bits 4-0 - 3rd character of mfg code
6770d02842fSSascha Wildner * Byte 2: Bits 7-4 - 1st hex digit of product number
6780d02842fSSascha Wildner * Bits 3-0 - 2nd hex digit of product number
679*01d5d5dfSSascha Wildner * Byte 3: Bits 7-4 - 3rd hex digit of product number
6800d02842fSSascha Wildner * Bits 3-0 - Hex digit of the revision number
6810d02842fSSascha Wildner *
6820d02842fSSascha Wildner ******************************************************************************/
6830d02842fSSascha Wildner
6840d02842fSSascha Wildner static void
OpcDoEisaId(ACPI_PARSE_OBJECT * Op)6850d02842fSSascha Wildner OpcDoEisaId (
6860d02842fSSascha Wildner ACPI_PARSE_OBJECT *Op)
6870d02842fSSascha Wildner {
6880d02842fSSascha Wildner UINT32 EisaId = 0;
6890d02842fSSascha Wildner UINT32 BigEndianId;
6900d02842fSSascha Wildner char *InString;
6910d02842fSSascha Wildner ACPI_STATUS Status = AE_OK;
6920d02842fSSascha Wildner UINT32 i;
6930d02842fSSascha Wildner
6940d02842fSSascha Wildner
6950d02842fSSascha Wildner InString = (char *) Op->Asl.Value.String;
6960d02842fSSascha Wildner
6970d02842fSSascha Wildner /*
6980d02842fSSascha Wildner * The EISAID string must be exactly 7 characters and of the form
6990d02842fSSascha Wildner * "UUUXXXX" -- 3 uppercase letters and 4 hex digits (e.g., "PNP0001")
7000d02842fSSascha Wildner */
70125ca8c79SSascha Wildner if (strlen (InString) != 7)
7020d02842fSSascha Wildner {
7030d02842fSSascha Wildner Status = AE_BAD_PARAMETER;
7040d02842fSSascha Wildner }
7050d02842fSSascha Wildner else
7060d02842fSSascha Wildner {
7070d02842fSSascha Wildner /* Check all 7 characters for correct format */
7080d02842fSSascha Wildner
7090d02842fSSascha Wildner for (i = 0; i < 7; i++)
7100d02842fSSascha Wildner {
7110d02842fSSascha Wildner /* First 3 characters must be uppercase letters */
7120d02842fSSascha Wildner
7130d02842fSSascha Wildner if (i < 3)
7140d02842fSSascha Wildner {
7150d02842fSSascha Wildner if (!isupper ((int) InString[i]))
7160d02842fSSascha Wildner {
7170d02842fSSascha Wildner Status = AE_BAD_PARAMETER;
7180d02842fSSascha Wildner }
7190d02842fSSascha Wildner }
7200d02842fSSascha Wildner
7210d02842fSSascha Wildner /* Last 4 characters must be hex digits */
7220d02842fSSascha Wildner
7230d02842fSSascha Wildner else if (!isxdigit ((int) InString[i]))
7240d02842fSSascha Wildner {
7250d02842fSSascha Wildner Status = AE_BAD_PARAMETER;
7260d02842fSSascha Wildner }
7270d02842fSSascha Wildner }
7280d02842fSSascha Wildner }
7290d02842fSSascha Wildner
7300d02842fSSascha Wildner if (ACPI_FAILURE (Status))
7310d02842fSSascha Wildner {
7320d02842fSSascha Wildner AslError (ASL_ERROR, ASL_MSG_INVALID_EISAID, Op, Op->Asl.Value.String);
7330d02842fSSascha Wildner }
7340d02842fSSascha Wildner else
7350d02842fSSascha Wildner {
7360d02842fSSascha Wildner /* Create ID big-endian first (bits are contiguous) */
7370d02842fSSascha Wildner
7380d02842fSSascha Wildner BigEndianId =
7390d02842fSSascha Wildner (UINT32) ((UINT8) (InString[0] - 0x40)) << 26 |
7400d02842fSSascha Wildner (UINT32) ((UINT8) (InString[1] - 0x40)) << 21 |
7410d02842fSSascha Wildner (UINT32) ((UINT8) (InString[2] - 0x40)) << 16 |
7420d02842fSSascha Wildner
743066b6da2SSascha Wildner (AcpiUtAsciiCharToHex (InString[3])) << 12 |
744066b6da2SSascha Wildner (AcpiUtAsciiCharToHex (InString[4])) << 8 |
745066b6da2SSascha Wildner (AcpiUtAsciiCharToHex (InString[5])) << 4 |
746066b6da2SSascha Wildner AcpiUtAsciiCharToHex (InString[6]);
7470d02842fSSascha Wildner
7480d02842fSSascha Wildner /* Swap to little-endian to get final ID (see function header) */
7490d02842fSSascha Wildner
7500d02842fSSascha Wildner EisaId = AcpiUtDwordByteSwap (BigEndianId);
7510d02842fSSascha Wildner }
7520d02842fSSascha Wildner
7530d02842fSSascha Wildner /*
7540d02842fSSascha Wildner * Morph the Op into an integer, regardless of whether there
7550d02842fSSascha Wildner * was an error in the EISAID string
7560d02842fSSascha Wildner */
7570d02842fSSascha Wildner Op->Asl.Value.Integer = EisaId;
7580d02842fSSascha Wildner
7591093ca81SSascha Wildner Op->Asl.CompileFlags &= ~OP_COMPILE_TIME_CONST;
7600d02842fSSascha Wildner Op->Asl.ParseOpcode = PARSEOP_INTEGER;
7610d02842fSSascha Wildner (void) OpcSetOptimalIntegerSize (Op);
7620d02842fSSascha Wildner
7630d02842fSSascha Wildner /* Op is now an integer */
7640d02842fSSascha Wildner
7650d02842fSSascha Wildner UtSetParseOpName (Op);
7660d02842fSSascha Wildner }
7670d02842fSSascha Wildner
7680d02842fSSascha Wildner
7690d02842fSSascha Wildner /*******************************************************************************
7700d02842fSSascha Wildner *
7710d02842fSSascha Wildner * FUNCTION: OpcDoUuId
7720d02842fSSascha Wildner *
7730d02842fSSascha Wildner * PARAMETERS: Op - Parse node
7740d02842fSSascha Wildner *
7750d02842fSSascha Wildner * RETURN: None
7760d02842fSSascha Wildner *
7770d02842fSSascha Wildner * DESCRIPTION: Convert UUID string to 16-byte buffer
7780d02842fSSascha Wildner *
7790d02842fSSascha Wildner ******************************************************************************/
7800d02842fSSascha Wildner
7810d02842fSSascha Wildner static void
OpcDoUuId(ACPI_PARSE_OBJECT * Op)7820d02842fSSascha Wildner OpcDoUuId (
7830d02842fSSascha Wildner ACPI_PARSE_OBJECT *Op)
7840d02842fSSascha Wildner {
7850d02842fSSascha Wildner char *InString;
786066b6da2SSascha Wildner UINT8 *Buffer;
7870d02842fSSascha Wildner ACPI_STATUS Status = AE_OK;
7880d02842fSSascha Wildner ACPI_PARSE_OBJECT *NewOp;
7890d02842fSSascha Wildner
7900d02842fSSascha Wildner
7912e2672b8SSascha Wildner InString = ACPI_CAST_PTR (char, Op->Asl.Value.String);
7920d02842fSSascha Wildner Buffer = UtLocalCalloc (16);
7930d02842fSSascha Wildner
7940d02842fSSascha Wildner Status = AuValidateUuid (InString);
7950d02842fSSascha Wildner if (ACPI_FAILURE (Status))
7960d02842fSSascha Wildner {
7970d02842fSSascha Wildner AslError (ASL_ERROR, ASL_MSG_INVALID_UUID, Op, Op->Asl.Value.String);
7980d02842fSSascha Wildner }
7990d02842fSSascha Wildner else
8000d02842fSSascha Wildner {
8012b57e6dfSSascha Wildner /* Convert UUID string to a buffer, check for a known UUID */
8022b57e6dfSSascha Wildner
803066b6da2SSascha Wildner AcpiUtConvertStringToUuid (InString, Buffer);
8042b57e6dfSSascha Wildner if (!AcpiAhMatchUuid (Buffer))
8052b57e6dfSSascha Wildner {
8062b57e6dfSSascha Wildner AslError (ASL_REMARK, ASL_MSG_UUID_NOT_FOUND, Op, NULL);
8072b57e6dfSSascha Wildner }
8080d02842fSSascha Wildner }
8090d02842fSSascha Wildner
8100d02842fSSascha Wildner /* Change Op to a Buffer */
8110d02842fSSascha Wildner
8120d02842fSSascha Wildner Op->Asl.ParseOpcode = PARSEOP_BUFFER;
8130d02842fSSascha Wildner Op->Common.AmlOpcode = AML_BUFFER_OP;
8140d02842fSSascha Wildner
8150d02842fSSascha Wildner /* Disable further optimization */
8160d02842fSSascha Wildner
8171093ca81SSascha Wildner Op->Asl.CompileFlags &= ~OP_COMPILE_TIME_CONST;
8180d02842fSSascha Wildner UtSetParseOpName (Op);
8190d02842fSSascha Wildner
8200d02842fSSascha Wildner /* Child node is the buffer length */
8210d02842fSSascha Wildner
8221093ca81SSascha Wildner NewOp = TrAllocateOp (PARSEOP_INTEGER);
8230d02842fSSascha Wildner
8240d02842fSSascha Wildner NewOp->Asl.AmlOpcode = AML_BYTE_OP;
8250d02842fSSascha Wildner NewOp->Asl.Value.Integer = 16;
8260d02842fSSascha Wildner NewOp->Asl.Parent = Op;
8270d02842fSSascha Wildner
8280d02842fSSascha Wildner Op->Asl.Child = NewOp;
8290d02842fSSascha Wildner Op = NewOp;
8300d02842fSSascha Wildner
8310d02842fSSascha Wildner /* Peer to the child is the raw buffer data */
8320d02842fSSascha Wildner
8331093ca81SSascha Wildner NewOp = TrAllocateOp (PARSEOP_RAW_DATA);
8340d02842fSSascha Wildner NewOp->Asl.AmlOpcode = AML_RAW_DATA_BUFFER;
8350d02842fSSascha Wildner NewOp->Asl.AmlLength = 16;
8362e2672b8SSascha Wildner NewOp->Asl.Value.String = ACPI_CAST_PTR (char, Buffer);
8370d02842fSSascha Wildner NewOp->Asl.Parent = Op->Asl.Parent;
8380d02842fSSascha Wildner
8390d02842fSSascha Wildner Op->Asl.Next = NewOp;
8400d02842fSSascha Wildner }
8410d02842fSSascha Wildner
8420d02842fSSascha Wildner
8430d02842fSSascha Wildner /*******************************************************************************
8440d02842fSSascha Wildner *
8450d02842fSSascha Wildner * FUNCTION: OpcGenerateAmlOpcode
8460d02842fSSascha Wildner *
8470d02842fSSascha Wildner * PARAMETERS: Op - Parse node
8480d02842fSSascha Wildner *
8490d02842fSSascha Wildner * RETURN: None
8500d02842fSSascha Wildner *
8510d02842fSSascha Wildner * DESCRIPTION: Generate the AML opcode associated with the node and its
8520d02842fSSascha Wildner * parse (lex/flex) keyword opcode. Essentially implements
8530d02842fSSascha Wildner * a mapping between the parse opcodes and the actual AML opcodes.
8540d02842fSSascha Wildner *
8550d02842fSSascha Wildner ******************************************************************************/
8560d02842fSSascha Wildner
8570d02842fSSascha Wildner void
OpcGenerateAmlOpcode(ACPI_PARSE_OBJECT * Op)8580d02842fSSascha Wildner OpcGenerateAmlOpcode (
8590d02842fSSascha Wildner ACPI_PARSE_OBJECT *Op)
8600d02842fSSascha Wildner {
8610d02842fSSascha Wildner UINT16 Index;
8620d02842fSSascha Wildner
8630d02842fSSascha Wildner
8640d02842fSSascha Wildner Index = (UINT16) (Op->Asl.ParseOpcode - ASL_PARSE_OPCODE_BASE);
8650d02842fSSascha Wildner
8660d02842fSSascha Wildner Op->Asl.AmlOpcode = AslKeywordMapping[Index].AmlOpcode;
8670d02842fSSascha Wildner Op->Asl.AcpiBtype = AslKeywordMapping[Index].AcpiBtype;
8680d02842fSSascha Wildner Op->Asl.CompileFlags |= AslKeywordMapping[Index].Flags;
8690d02842fSSascha Wildner
8700d02842fSSascha Wildner if (!Op->Asl.Value.Integer)
8710d02842fSSascha Wildner {
8720d02842fSSascha Wildner Op->Asl.Value.Integer = AslKeywordMapping[Index].Value;
8730d02842fSSascha Wildner }
8740d02842fSSascha Wildner
8750d02842fSSascha Wildner /* Special handling for some opcodes */
8760d02842fSSascha Wildner
8770d02842fSSascha Wildner switch (Op->Asl.ParseOpcode)
8780d02842fSSascha Wildner {
8790d02842fSSascha Wildner case PARSEOP_INTEGER:
8800d02842fSSascha Wildner /*
8810d02842fSSascha Wildner * Set the opcode based on the size of the integer
8820d02842fSSascha Wildner */
8830d02842fSSascha Wildner (void) OpcSetOptimalIntegerSize (Op);
8840d02842fSSascha Wildner break;
8850d02842fSSascha Wildner
8860d02842fSSascha Wildner case PARSEOP_OFFSET:
8870d02842fSSascha Wildner
8880d02842fSSascha Wildner Op->Asl.AmlOpcodeLength = 1;
8890d02842fSSascha Wildner break;
8900d02842fSSascha Wildner
8910d02842fSSascha Wildner case PARSEOP_ACCESSAS:
8920d02842fSSascha Wildner
8930d02842fSSascha Wildner OpcDoAccessAs (Op);
8940d02842fSSascha Wildner break;
8950d02842fSSascha Wildner
8960d02842fSSascha Wildner case PARSEOP_CONNECTION:
8970d02842fSSascha Wildner
8980d02842fSSascha Wildner OpcDoConnection (Op);
8990d02842fSSascha Wildner break;
9000d02842fSSascha Wildner
9010d02842fSSascha Wildner case PARSEOP_EISAID:
9020d02842fSSascha Wildner
9030d02842fSSascha Wildner OpcDoEisaId (Op);
9040d02842fSSascha Wildner break;
9050d02842fSSascha Wildner
9062e2672b8SSascha Wildner case PARSEOP_PRINTF:
9072e2672b8SSascha Wildner
9082e2672b8SSascha Wildner OpcDoPrintf (Op);
9092e2672b8SSascha Wildner break;
9102e2672b8SSascha Wildner
9112e2672b8SSascha Wildner case PARSEOP_FPRINTF:
9122e2672b8SSascha Wildner
9132e2672b8SSascha Wildner OpcDoFprintf (Op);
9142e2672b8SSascha Wildner break;
9152e2672b8SSascha Wildner
9162e2672b8SSascha Wildner case PARSEOP_TOPLD:
9172e2672b8SSascha Wildner
9182e2672b8SSascha Wildner OpcDoPld (Op);
9192e2672b8SSascha Wildner break;
9202e2672b8SSascha Wildner
9210d02842fSSascha Wildner case PARSEOP_TOUUID:
9220d02842fSSascha Wildner
9230d02842fSSascha Wildner OpcDoUuId (Op);
9240d02842fSSascha Wildner break;
9250d02842fSSascha Wildner
9260d02842fSSascha Wildner case PARSEOP_UNICODE:
9270d02842fSSascha Wildner
9280d02842fSSascha Wildner OpcDoUnicode (Op);
9290d02842fSSascha Wildner break;
9300d02842fSSascha Wildner
9310d02842fSSascha Wildner case PARSEOP_INCLUDE:
9320d02842fSSascha Wildner
933806343b9SSascha Wildner AslGbl_HasIncludeFiles = TRUE;
9340d02842fSSascha Wildner break;
9350d02842fSSascha Wildner
9360d02842fSSascha Wildner case PARSEOP_TIMER:
9370d02842fSSascha Wildner
9380d02842fSSascha Wildner if (AcpiGbl_IntegerBitWidth == 32)
9390d02842fSSascha Wildner {
9400d02842fSSascha Wildner AslError (ASL_REMARK, ASL_MSG_TRUNCATION, Op, NULL);
9410d02842fSSascha Wildner }
9420d02842fSSascha Wildner break;
9430d02842fSSascha Wildner
9440d02842fSSascha Wildner default:
9450d02842fSSascha Wildner
9460d02842fSSascha Wildner /* Nothing to do for other opcodes */
9470d02842fSSascha Wildner
9480d02842fSSascha Wildner break;
9490d02842fSSascha Wildner }
9500d02842fSSascha Wildner
9510d02842fSSascha Wildner return;
9520d02842fSSascha Wildner }
953