10b94ba42SJung-uk Kim /****************************************************************************** 20b94ba42SJung-uk Kim * 3efcc2a30SJung-uk Kim * Module Name: aslwalks.c - Miscellaneous analytical parse tree walks 40b94ba42SJung-uk Kim * 50b94ba42SJung-uk Kim *****************************************************************************/ 60b94ba42SJung-uk Kim 70d84335fSJung-uk Kim /****************************************************************************** 80d84335fSJung-uk Kim * 90d84335fSJung-uk Kim * 1. Copyright Notice 100d84335fSJung-uk Kim * 110d84335fSJung-uk Kim * Some or all of this work - Copyright (c) 1999 - 2017, Intel Corp. 120b94ba42SJung-uk Kim * All rights reserved. 130b94ba42SJung-uk Kim * 140d84335fSJung-uk Kim * 2. License 150d84335fSJung-uk Kim * 160d84335fSJung-uk Kim * 2.1. This is your license from Intel Corp. under its intellectual property 170d84335fSJung-uk Kim * rights. You may have additional license terms from the party that provided 180d84335fSJung-uk Kim * you this software, covering your right to use that party's intellectual 190d84335fSJung-uk Kim * property rights. 200d84335fSJung-uk Kim * 210d84335fSJung-uk Kim * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 220d84335fSJung-uk Kim * copy of the source code appearing in this file ("Covered Code") an 230d84335fSJung-uk Kim * irrevocable, perpetual, worldwide license under Intel's copyrights in the 240d84335fSJung-uk Kim * base code distributed originally by Intel ("Original Intel Code") to copy, 250d84335fSJung-uk Kim * make derivatives, distribute, use and display any portion of the Covered 260d84335fSJung-uk Kim * Code in any form, with the right to sublicense such rights; and 270d84335fSJung-uk Kim * 280d84335fSJung-uk Kim * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 290d84335fSJung-uk Kim * license (with the right to sublicense), under only those claims of Intel 300d84335fSJung-uk Kim * patents that are infringed by the Original Intel Code, to make, use, sell, 310d84335fSJung-uk Kim * offer to sell, and import the Covered Code and derivative works thereof 320d84335fSJung-uk Kim * solely to the minimum extent necessary to exercise the above copyright 330d84335fSJung-uk Kim * license, and in no event shall the patent license extend to any additions 340d84335fSJung-uk Kim * to or modifications of the Original Intel Code. No other license or right 350d84335fSJung-uk Kim * is granted directly or by implication, estoppel or otherwise; 360d84335fSJung-uk Kim * 370d84335fSJung-uk Kim * The above copyright and patent license is granted only if the following 380d84335fSJung-uk Kim * conditions are met: 390d84335fSJung-uk Kim * 400d84335fSJung-uk Kim * 3. Conditions 410d84335fSJung-uk Kim * 420d84335fSJung-uk Kim * 3.1. Redistribution of Source with Rights to Further Distribute Source. 430d84335fSJung-uk Kim * Redistribution of source code of any substantial portion of the Covered 440d84335fSJung-uk Kim * Code or modification with rights to further distribute source must include 450d84335fSJung-uk Kim * the above Copyright Notice, the above License, this list of Conditions, 460d84335fSJung-uk Kim * and the following Disclaimer and Export Compliance provision. In addition, 470d84335fSJung-uk Kim * Licensee must cause all Covered Code to which Licensee contributes to 480d84335fSJung-uk Kim * contain a file documenting the changes Licensee made to create that Covered 490d84335fSJung-uk Kim * Code and the date of any change. Licensee must include in that file the 500d84335fSJung-uk Kim * documentation of any changes made by any predecessor Licensee. Licensee 510d84335fSJung-uk Kim * must include a prominent statement that the modification is derived, 520d84335fSJung-uk Kim * directly or indirectly, from Original Intel Code. 530d84335fSJung-uk Kim * 540d84335fSJung-uk Kim * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 550d84335fSJung-uk Kim * Redistribution of source code of any substantial portion of the Covered 560d84335fSJung-uk Kim * Code or modification without rights to further distribute source must 570d84335fSJung-uk Kim * include the following Disclaimer and Export Compliance provision in the 580d84335fSJung-uk Kim * documentation and/or other materials provided with distribution. In 590d84335fSJung-uk Kim * addition, Licensee may not authorize further sublicense of source of any 600d84335fSJung-uk Kim * portion of the Covered Code, and must include terms to the effect that the 610d84335fSJung-uk Kim * license from Licensee to its licensee is limited to the intellectual 620d84335fSJung-uk Kim * property embodied in the software Licensee provides to its licensee, and 630d84335fSJung-uk Kim * not to intellectual property embodied in modifications its licensee may 640d84335fSJung-uk Kim * make. 650d84335fSJung-uk Kim * 660d84335fSJung-uk Kim * 3.3. Redistribution of Executable. Redistribution in executable form of any 670d84335fSJung-uk Kim * substantial portion of the Covered Code or modification must reproduce the 680d84335fSJung-uk Kim * above Copyright Notice, and the following Disclaimer and Export Compliance 690d84335fSJung-uk Kim * provision in the documentation and/or other materials provided with the 700d84335fSJung-uk Kim * distribution. 710d84335fSJung-uk Kim * 720d84335fSJung-uk Kim * 3.4. Intel retains all right, title, and interest in and to the Original 730d84335fSJung-uk Kim * Intel Code. 740d84335fSJung-uk Kim * 750d84335fSJung-uk Kim * 3.5. Neither the name Intel nor any other trademark owned or controlled by 760d84335fSJung-uk Kim * Intel shall be used in advertising or otherwise to promote the sale, use or 770d84335fSJung-uk Kim * other dealings in products derived from or relating to the Covered Code 780d84335fSJung-uk Kim * without prior written authorization from Intel. 790d84335fSJung-uk Kim * 800d84335fSJung-uk Kim * 4. Disclaimer and Export Compliance 810d84335fSJung-uk Kim * 820d84335fSJung-uk Kim * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 830d84335fSJung-uk Kim * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 840d84335fSJung-uk Kim * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 850d84335fSJung-uk Kim * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 860d84335fSJung-uk Kim * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 870d84335fSJung-uk Kim * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 880d84335fSJung-uk Kim * PARTICULAR PURPOSE. 890d84335fSJung-uk Kim * 900d84335fSJung-uk Kim * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 910d84335fSJung-uk Kim * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 920d84335fSJung-uk Kim * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 930d84335fSJung-uk Kim * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 940d84335fSJung-uk Kim * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 950d84335fSJung-uk Kim * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 960d84335fSJung-uk Kim * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 970d84335fSJung-uk Kim * LIMITED REMEDY. 980d84335fSJung-uk Kim * 990d84335fSJung-uk Kim * 4.3. Licensee shall not export, either directly or indirectly, any of this 1000d84335fSJung-uk Kim * software or system incorporating such software without first obtaining any 1010d84335fSJung-uk Kim * required license or other approval from the U. S. Department of Commerce or 1020d84335fSJung-uk Kim * any other agency or department of the United States Government. In the 1030d84335fSJung-uk Kim * event Licensee exports any such software from the United States or 1040d84335fSJung-uk Kim * re-exports any such software from a foreign destination, Licensee shall 1050d84335fSJung-uk Kim * ensure that the distribution and export/re-export of the software is in 1060d84335fSJung-uk Kim * compliance with all laws, regulations, orders, or other restrictions of the 1070d84335fSJung-uk Kim * U.S. Export Administration Regulations. Licensee agrees that neither it nor 1080d84335fSJung-uk Kim * any of its subsidiaries will export/re-export any technical data, process, 1090d84335fSJung-uk Kim * software, or service, directly or indirectly, to any country for which the 1100d84335fSJung-uk Kim * United States government or any agency thereof requires an export license, 1110d84335fSJung-uk Kim * other governmental approval, or letter of assurance, without first obtaining 1120d84335fSJung-uk Kim * such license, approval or letter. 1130d84335fSJung-uk Kim * 1140d84335fSJung-uk Kim ***************************************************************************** 1150d84335fSJung-uk Kim * 1160d84335fSJung-uk Kim * Alternatively, you may choose to be licensed under the terms of the 1170d84335fSJung-uk Kim * following license: 1180d84335fSJung-uk Kim * 1190b94ba42SJung-uk Kim * Redistribution and use in source and binary forms, with or without 1200b94ba42SJung-uk Kim * modification, are permitted provided that the following conditions 1210b94ba42SJung-uk Kim * are met: 1220b94ba42SJung-uk Kim * 1. Redistributions of source code must retain the above copyright 1230b94ba42SJung-uk Kim * notice, this list of conditions, and the following disclaimer, 1240b94ba42SJung-uk Kim * without modification. 1250b94ba42SJung-uk Kim * 2. Redistributions in binary form must reproduce at minimum a disclaimer 1260b94ba42SJung-uk Kim * substantially similar to the "NO WARRANTY" disclaimer below 1270b94ba42SJung-uk Kim * ("Disclaimer") and any redistribution must be conditioned upon 1280b94ba42SJung-uk Kim * including a substantially similar Disclaimer requirement for further 1290b94ba42SJung-uk Kim * binary redistribution. 1300b94ba42SJung-uk Kim * 3. Neither the names of the above-listed copyright holders nor the names 1310b94ba42SJung-uk Kim * of any contributors may be used to endorse or promote products derived 1320b94ba42SJung-uk Kim * from this software without specific prior written permission. 1330b94ba42SJung-uk Kim * 1340d84335fSJung-uk Kim * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1350d84335fSJung-uk Kim * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1360d84335fSJung-uk Kim * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1370d84335fSJung-uk Kim * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 1380d84335fSJung-uk Kim * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 1390d84335fSJung-uk Kim * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 1400d84335fSJung-uk Kim * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 1410d84335fSJung-uk Kim * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 1420d84335fSJung-uk Kim * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 1430d84335fSJung-uk Kim * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 1440d84335fSJung-uk Kim * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 1450d84335fSJung-uk Kim * 1460d84335fSJung-uk Kim * Alternatively, you may choose to be licensed under the terms of the 1470b94ba42SJung-uk Kim * GNU General Public License ("GPL") version 2 as published by the Free 1480b94ba42SJung-uk Kim * Software Foundation. 1490b94ba42SJung-uk Kim * 1500d84335fSJung-uk Kim *****************************************************************************/ 1510b94ba42SJung-uk Kim 1520b94ba42SJung-uk Kim #include <contrib/dev/acpica/compiler/aslcompiler.h> 1530b94ba42SJung-uk Kim #include "aslcompiler.y.h" 1540b94ba42SJung-uk Kim #include <contrib/dev/acpica/include/acparser.h> 1550b94ba42SJung-uk Kim #include <contrib/dev/acpica/include/amlcode.h> 1560b94ba42SJung-uk Kim 1570b94ba42SJung-uk Kim 1580b94ba42SJung-uk Kim #define _COMPONENT ACPI_COMPILER 1590b94ba42SJung-uk Kim ACPI_MODULE_NAME ("aslwalks") 1600b94ba42SJung-uk Kim 1610b94ba42SJung-uk Kim 162f8146b88SJung-uk Kim /* Local prototypes */ 163f8146b88SJung-uk Kim 164f8146b88SJung-uk Kim static void 165f8146b88SJung-uk Kim AnAnalyzeStoreOperator ( 166f8146b88SJung-uk Kim ACPI_PARSE_OBJECT *Op); 167f8146b88SJung-uk Kim 168f8146b88SJung-uk Kim 1690b94ba42SJung-uk Kim /******************************************************************************* 1700b94ba42SJung-uk Kim * 1710b94ba42SJung-uk Kim * FUNCTION: AnMethodTypingWalkEnd 1720b94ba42SJung-uk Kim * 1730b94ba42SJung-uk Kim * PARAMETERS: ASL_WALK_CALLBACK 1740b94ba42SJung-uk Kim * 1750b94ba42SJung-uk Kim * RETURN: Status 1760b94ba42SJung-uk Kim * 1770b94ba42SJung-uk Kim * DESCRIPTION: Ascending callback for typing walk. Complete the method 1780b94ba42SJung-uk Kim * return analysis. Check methods for: 1790b94ba42SJung-uk Kim * 1) Initialized local variables 1800b94ba42SJung-uk Kim * 2) Valid arguments 1810b94ba42SJung-uk Kim * 3) Return types 1820b94ba42SJung-uk Kim * 1830b94ba42SJung-uk Kim ******************************************************************************/ 1840b94ba42SJung-uk Kim 1850b94ba42SJung-uk Kim ACPI_STATUS 1860b94ba42SJung-uk Kim AnMethodTypingWalkEnd ( 1870b94ba42SJung-uk Kim ACPI_PARSE_OBJECT *Op, 1880b94ba42SJung-uk Kim UINT32 Level, 1890b94ba42SJung-uk Kim void *Context) 1900b94ba42SJung-uk Kim { 191f8146b88SJung-uk Kim UINT32 ThisOpBtype; 1920b94ba42SJung-uk Kim 1930b94ba42SJung-uk Kim 1940b94ba42SJung-uk Kim switch (Op->Asl.ParseOpcode) 1950b94ba42SJung-uk Kim { 1960b94ba42SJung-uk Kim case PARSEOP_METHOD: 1970b94ba42SJung-uk Kim 1980b94ba42SJung-uk Kim Op->Asl.CompileFlags |= NODE_METHOD_TYPED; 1990b94ba42SJung-uk Kim break; 2000b94ba42SJung-uk Kim 2010b94ba42SJung-uk Kim case PARSEOP_RETURN: 2020b94ba42SJung-uk Kim 2030b94ba42SJung-uk Kim if ((Op->Asl.Child) && 2040b94ba42SJung-uk Kim (Op->Asl.Child->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)) 2050b94ba42SJung-uk Kim { 206f8146b88SJung-uk Kim ThisOpBtype = AnGetBtype (Op->Asl.Child); 2070b94ba42SJung-uk Kim 2080b94ba42SJung-uk Kim if ((Op->Asl.Child->Asl.ParseOpcode == PARSEOP_METHODCALL) && 209f8146b88SJung-uk Kim (ThisOpBtype == (ACPI_UINT32_MAX -1))) 2100b94ba42SJung-uk Kim { 2110b94ba42SJung-uk Kim /* 2120b94ba42SJung-uk Kim * The called method is untyped at this time (typically a 2130b94ba42SJung-uk Kim * forward reference). 2140b94ba42SJung-uk Kim * 215f8146b88SJung-uk Kim * Check for a recursive method call first. Note: the 216f8146b88SJung-uk Kim * Child->Node will be null if the method has not been 217f8146b88SJung-uk Kim * resolved. 2180b94ba42SJung-uk Kim */ 219f8146b88SJung-uk Kim if (Op->Asl.Child->Asl.Node && 220f8146b88SJung-uk Kim (Op->Asl.ParentMethod != Op->Asl.Child->Asl.Node->Op)) 2210b94ba42SJung-uk Kim { 2220b94ba42SJung-uk Kim /* We must type the method here */ 2230b94ba42SJung-uk Kim 2240b94ba42SJung-uk Kim TrWalkParseTree (Op->Asl.Child->Asl.Node->Op, 2250b94ba42SJung-uk Kim ASL_WALK_VISIT_UPWARD, NULL, 2260b94ba42SJung-uk Kim AnMethodTypingWalkEnd, NULL); 2270b94ba42SJung-uk Kim 228f8146b88SJung-uk Kim ThisOpBtype = AnGetBtype (Op->Asl.Child); 2290b94ba42SJung-uk Kim } 2300b94ba42SJung-uk Kim } 2310b94ba42SJung-uk Kim 2320b94ba42SJung-uk Kim /* Returns a value, save the value type */ 2330b94ba42SJung-uk Kim 2340b94ba42SJung-uk Kim if (Op->Asl.ParentMethod) 2350b94ba42SJung-uk Kim { 236f8146b88SJung-uk Kim Op->Asl.ParentMethod->Asl.AcpiBtype |= ThisOpBtype; 2370b94ba42SJung-uk Kim } 2380b94ba42SJung-uk Kim } 2390b94ba42SJung-uk Kim break; 2400b94ba42SJung-uk Kim 2410b94ba42SJung-uk Kim default: 242a9d8d09cSJung-uk Kim 2430b94ba42SJung-uk Kim break; 2440b94ba42SJung-uk Kim } 2450b94ba42SJung-uk Kim 2460b94ba42SJung-uk Kim return (AE_OK); 2470b94ba42SJung-uk Kim } 2480b94ba42SJung-uk Kim 2490b94ba42SJung-uk Kim 2500b94ba42SJung-uk Kim /******************************************************************************* 2510b94ba42SJung-uk Kim * 2520b94ba42SJung-uk Kim * FUNCTION: AnOperandTypecheckWalkEnd 2530b94ba42SJung-uk Kim * 2540b94ba42SJung-uk Kim * PARAMETERS: ASL_WALK_CALLBACK 2550b94ba42SJung-uk Kim * 2560b94ba42SJung-uk Kim * RETURN: Status 2570b94ba42SJung-uk Kim * 2580b94ba42SJung-uk Kim * DESCRIPTION: Ascending callback for analysis walk. Complete method 2590b94ba42SJung-uk Kim * return analysis. 2600b94ba42SJung-uk Kim * 2610b94ba42SJung-uk Kim ******************************************************************************/ 2620b94ba42SJung-uk Kim 2630b94ba42SJung-uk Kim ACPI_STATUS 2640b94ba42SJung-uk Kim AnOperandTypecheckWalkEnd ( 2650b94ba42SJung-uk Kim ACPI_PARSE_OBJECT *Op, 2660b94ba42SJung-uk Kim UINT32 Level, 2670b94ba42SJung-uk Kim void *Context) 2680b94ba42SJung-uk Kim { 2690b94ba42SJung-uk Kim const ACPI_OPCODE_INFO *OpInfo; 2700b94ba42SJung-uk Kim UINT32 RuntimeArgTypes; 2710b94ba42SJung-uk Kim UINT32 RuntimeArgTypes2; 2720b94ba42SJung-uk Kim UINT32 RequiredBtypes; 2730b94ba42SJung-uk Kim UINT32 ThisNodeBtype; 2740b94ba42SJung-uk Kim UINT32 CommonBtypes; 2750b94ba42SJung-uk Kim UINT32 OpcodeClass; 2760b94ba42SJung-uk Kim ACPI_PARSE_OBJECT *ArgOp; 2770b94ba42SJung-uk Kim UINT32 ArgType; 2780b94ba42SJung-uk Kim 2790b94ba42SJung-uk Kim 2800b94ba42SJung-uk Kim switch (Op->Asl.AmlOpcode) 2810b94ba42SJung-uk Kim { 2820b94ba42SJung-uk Kim case AML_RAW_DATA_BYTE: 2830b94ba42SJung-uk Kim case AML_RAW_DATA_WORD: 2840b94ba42SJung-uk Kim case AML_RAW_DATA_DWORD: 2850b94ba42SJung-uk Kim case AML_RAW_DATA_QWORD: 2860b94ba42SJung-uk Kim case AML_RAW_DATA_BUFFER: 2870b94ba42SJung-uk Kim case AML_RAW_DATA_CHAIN: 2880b94ba42SJung-uk Kim case AML_PACKAGE_LENGTH: 2890b94ba42SJung-uk Kim case AML_UNASSIGNED_OPCODE: 2900b94ba42SJung-uk Kim case AML_DEFAULT_ARG_OP: 2910b94ba42SJung-uk Kim 2920b94ba42SJung-uk Kim /* Ignore the internal (compiler-only) AML opcodes */ 2930b94ba42SJung-uk Kim 2940b94ba42SJung-uk Kim return (AE_OK); 2950b94ba42SJung-uk Kim 2960b94ba42SJung-uk Kim default: 297a9d8d09cSJung-uk Kim 2980b94ba42SJung-uk Kim break; 2990b94ba42SJung-uk Kim } 3000b94ba42SJung-uk Kim 3010b94ba42SJung-uk Kim OpInfo = AcpiPsGetOpcodeInfo (Op->Asl.AmlOpcode); 3020b94ba42SJung-uk Kim if (!OpInfo) 3030b94ba42SJung-uk Kim { 3040b94ba42SJung-uk Kim return (AE_OK); 3050b94ba42SJung-uk Kim } 3060b94ba42SJung-uk Kim 3070b94ba42SJung-uk Kim ArgOp = Op->Asl.Child; 3080b94ba42SJung-uk Kim OpcodeClass = OpInfo->Class; 309f8146b88SJung-uk Kim RuntimeArgTypes = OpInfo->RuntimeArgs; 3100b94ba42SJung-uk Kim 3110b94ba42SJung-uk Kim #ifdef ASL_ERROR_NAMED_OBJECT_IN_WHILE 3120b94ba42SJung-uk Kim /* 3130b94ba42SJung-uk Kim * Update 11/2008: In practice, we can't perform this check. A simple 3140b94ba42SJung-uk Kim * analysis is not sufficient. Also, it can cause errors when compiling 3150b94ba42SJung-uk Kim * disassembled code because of the way Switch operators are implemented 3160b94ba42SJung-uk Kim * (a While(One) loop with a named temp variable created within.) 3170b94ba42SJung-uk Kim */ 3180b94ba42SJung-uk Kim 3190b94ba42SJung-uk Kim /* 3200b94ba42SJung-uk Kim * If we are creating a named object, check if we are within a while loop 3210b94ba42SJung-uk Kim * by checking if the parent is a WHILE op. This is a simple analysis, but 3220b94ba42SJung-uk Kim * probably sufficient for many cases. 3230b94ba42SJung-uk Kim * 3240b94ba42SJung-uk Kim * Allow Scope(), Buffer(), and Package(). 3250b94ba42SJung-uk Kim */ 3260b94ba42SJung-uk Kim if (((OpcodeClass == AML_CLASS_NAMED_OBJECT) && (Op->Asl.AmlOpcode != AML_SCOPE_OP)) || 3270b94ba42SJung-uk Kim ((OpcodeClass == AML_CLASS_CREATE) && (OpInfo->Flags & AML_NSNODE))) 3280b94ba42SJung-uk Kim { 3290b94ba42SJung-uk Kim if (Op->Asl.Parent->Asl.AmlOpcode == AML_WHILE_OP) 3300b94ba42SJung-uk Kim { 3310b94ba42SJung-uk Kim AslError (ASL_ERROR, ASL_MSG_NAMED_OBJECT_IN_WHILE, Op, NULL); 3320b94ba42SJung-uk Kim } 3330b94ba42SJung-uk Kim } 3340b94ba42SJung-uk Kim #endif 3350b94ba42SJung-uk Kim 3360b94ba42SJung-uk Kim /* 3370b94ba42SJung-uk Kim * Special case for control opcodes IF/RETURN/WHILE since they 3380b94ba42SJung-uk Kim * have no runtime arg list (at this time) 3390b94ba42SJung-uk Kim */ 3400b94ba42SJung-uk Kim switch (Op->Asl.AmlOpcode) 3410b94ba42SJung-uk Kim { 3420b94ba42SJung-uk Kim case AML_IF_OP: 3430b94ba42SJung-uk Kim case AML_WHILE_OP: 3440b94ba42SJung-uk Kim case AML_RETURN_OP: 3450b94ba42SJung-uk Kim 3460b94ba42SJung-uk Kim if (ArgOp->Asl.ParseOpcode == PARSEOP_METHODCALL) 3470b94ba42SJung-uk Kim { 3480b94ba42SJung-uk Kim /* Check for an internal method */ 3490b94ba42SJung-uk Kim 3500b94ba42SJung-uk Kim if (AnIsInternalMethod (ArgOp)) 3510b94ba42SJung-uk Kim { 3520b94ba42SJung-uk Kim return (AE_OK); 3530b94ba42SJung-uk Kim } 3540b94ba42SJung-uk Kim 3550b94ba42SJung-uk Kim /* The lone arg is a method call, check it */ 3560b94ba42SJung-uk Kim 3570b94ba42SJung-uk Kim RequiredBtypes = AnMapArgTypeToBtype (ARGI_INTEGER); 3580b94ba42SJung-uk Kim if (Op->Asl.AmlOpcode == AML_RETURN_OP) 3590b94ba42SJung-uk Kim { 3600b94ba42SJung-uk Kim RequiredBtypes = 0xFFFFFFFF; 3610b94ba42SJung-uk Kim } 3620b94ba42SJung-uk Kim 3630b94ba42SJung-uk Kim ThisNodeBtype = AnGetBtype (ArgOp); 3640b94ba42SJung-uk Kim if (ThisNodeBtype == ACPI_UINT32_MAX) 3650b94ba42SJung-uk Kim { 3660b94ba42SJung-uk Kim return (AE_OK); 3670b94ba42SJung-uk Kim } 368f8146b88SJung-uk Kim 3690b94ba42SJung-uk Kim AnCheckMethodReturnValue (Op, OpInfo, ArgOp, 3700b94ba42SJung-uk Kim RequiredBtypes, ThisNodeBtype); 3710b94ba42SJung-uk Kim } 3720b94ba42SJung-uk Kim return (AE_OK); 3730b94ba42SJung-uk Kim 3747cf3e94aSJung-uk Kim case AML_EXTERNAL_OP: 3757cf3e94aSJung-uk Kim /* 3767cf3e94aSJung-uk Kim * Not really a "runtime" opcode since it used by disassembler only. 3777cf3e94aSJung-uk Kim * The parser will find any issues with the operands. 3787cf3e94aSJung-uk Kim */ 3797cf3e94aSJung-uk Kim return (AE_OK); 3807cf3e94aSJung-uk Kim 3810b94ba42SJung-uk Kim default: 382a9d8d09cSJung-uk Kim 3830b94ba42SJung-uk Kim break; 3840b94ba42SJung-uk Kim } 3850b94ba42SJung-uk Kim 3860b94ba42SJung-uk Kim /* Ignore the non-executable opcodes */ 3870b94ba42SJung-uk Kim 3880b94ba42SJung-uk Kim if (RuntimeArgTypes == ARGI_INVALID_OPCODE) 3890b94ba42SJung-uk Kim { 3900b94ba42SJung-uk Kim return (AE_OK); 3910b94ba42SJung-uk Kim } 3920b94ba42SJung-uk Kim 393f8146b88SJung-uk Kim /* 394f8146b88SJung-uk Kim * Special handling for certain opcodes. 395f8146b88SJung-uk Kim */ 396f8146b88SJung-uk Kim switch (Op->Asl.AmlOpcode) 397f8146b88SJung-uk Kim { 398f8146b88SJung-uk Kim /* BankField has one TermArg */ 399f8146b88SJung-uk Kim 400f8146b88SJung-uk Kim case AML_BANK_FIELD_OP: 401f8146b88SJung-uk Kim 402f8146b88SJung-uk Kim OpcodeClass = AML_CLASS_EXECUTE; 403f8146b88SJung-uk Kim ArgOp = ArgOp->Asl.Next; 404f8146b88SJung-uk Kim ArgOp = ArgOp->Asl.Next; 405f8146b88SJung-uk Kim break; 406f8146b88SJung-uk Kim 407f8146b88SJung-uk Kim /* Operation Region has 2 TermArgs */ 408f8146b88SJung-uk Kim 409f8146b88SJung-uk Kim case AML_REGION_OP: 410f8146b88SJung-uk Kim 411f8146b88SJung-uk Kim OpcodeClass = AML_CLASS_EXECUTE; 412f8146b88SJung-uk Kim ArgOp = ArgOp->Asl.Next; 413f8146b88SJung-uk Kim ArgOp = ArgOp->Asl.Next; 414f8146b88SJung-uk Kim break; 415f8146b88SJung-uk Kim 416f8146b88SJung-uk Kim /* DataTableRegion has 3 TermArgs */ 417f8146b88SJung-uk Kim 418f8146b88SJung-uk Kim case AML_DATA_REGION_OP: 419f8146b88SJung-uk Kim 420f8146b88SJung-uk Kim OpcodeClass = AML_CLASS_EXECUTE; 421f8146b88SJung-uk Kim ArgOp = ArgOp->Asl.Next; 422f8146b88SJung-uk Kim break; 423f8146b88SJung-uk Kim 424f8146b88SJung-uk Kim /* Buffers/Packages have a length that is a TermArg */ 425f8146b88SJung-uk Kim 426f8146b88SJung-uk Kim case AML_BUFFER_OP: 427f8146b88SJung-uk Kim case AML_PACKAGE_OP: 4280d84335fSJung-uk Kim case AML_VARIABLE_PACKAGE_OP: 429f8146b88SJung-uk Kim 430f8146b88SJung-uk Kim /* If length is a constant, we are done */ 431f8146b88SJung-uk Kim 432f8146b88SJung-uk Kim if ((ArgOp->Asl.ParseOpcode == PARSEOP_INTEGER) || 433f8146b88SJung-uk Kim (ArgOp->Asl.ParseOpcode == PARSEOP_RAW_DATA)) 434f8146b88SJung-uk Kim { 435f8146b88SJung-uk Kim return (AE_OK); 436f8146b88SJung-uk Kim } 437f8146b88SJung-uk Kim break; 438f8146b88SJung-uk Kim 439f8146b88SJung-uk Kim /* Store can write any object to the Debug object */ 440f8146b88SJung-uk Kim 441f8146b88SJung-uk Kim case AML_STORE_OP: 442f8146b88SJung-uk Kim /* 443f8146b88SJung-uk Kim * If this is a Store() to the Debug object, we don't need 444f8146b88SJung-uk Kim * to perform any further validation -- because a Store of 445f8146b88SJung-uk Kim * any object to Debug is permitted and supported. 446f8146b88SJung-uk Kim */ 447f8146b88SJung-uk Kim if (ArgOp->Asl.Next->Asl.AmlOpcode == AML_DEBUG_OP) 448f8146b88SJung-uk Kim { 449f8146b88SJung-uk Kim return (AE_OK); 450f8146b88SJung-uk Kim } 451f8146b88SJung-uk Kim break; 452f8146b88SJung-uk Kim 453f8146b88SJung-uk Kim default: 454f8146b88SJung-uk Kim break; 455f8146b88SJung-uk Kim } 456f8146b88SJung-uk Kim 4570b94ba42SJung-uk Kim switch (OpcodeClass) 4580b94ba42SJung-uk Kim { 4590b94ba42SJung-uk Kim case AML_CLASS_EXECUTE: 4600b94ba42SJung-uk Kim case AML_CLASS_CREATE: 4610b94ba42SJung-uk Kim case AML_CLASS_CONTROL: 4620b94ba42SJung-uk Kim case AML_CLASS_RETURN_VALUE: 4630b94ba42SJung-uk Kim 4640b94ba42SJung-uk Kim /* Reverse the runtime argument list */ 4650b94ba42SJung-uk Kim 4660b94ba42SJung-uk Kim RuntimeArgTypes2 = 0; 4670b94ba42SJung-uk Kim while ((ArgType = GET_CURRENT_ARG_TYPE (RuntimeArgTypes))) 4680b94ba42SJung-uk Kim { 4690b94ba42SJung-uk Kim RuntimeArgTypes2 <<= ARG_TYPE_WIDTH; 4700b94ba42SJung-uk Kim RuntimeArgTypes2 |= ArgType; 4710b94ba42SJung-uk Kim INCREMENT_ARG_LIST (RuntimeArgTypes); 4720b94ba42SJung-uk Kim } 4730b94ba42SJung-uk Kim 474f8146b88SJung-uk Kim /* Typecheck each argument */ 475f8146b88SJung-uk Kim 4760b94ba42SJung-uk Kim while ((ArgType = GET_CURRENT_ARG_TYPE (RuntimeArgTypes2))) 4770b94ba42SJung-uk Kim { 478f8146b88SJung-uk Kim /* Get the required type(s) for the argument */ 479f8146b88SJung-uk Kim 4800b94ba42SJung-uk Kim RequiredBtypes = AnMapArgTypeToBtype (ArgType); 4810b94ba42SJung-uk Kim 4821c0e1b6dSJung-uk Kim if (!ArgOp) 4831c0e1b6dSJung-uk Kim { 4841c0e1b6dSJung-uk Kim AslError (ASL_ERROR, ASL_MSG_COMPILER_INTERNAL, Op, 4851c0e1b6dSJung-uk Kim "Null ArgOp in argument loop"); 4861c0e1b6dSJung-uk Kim AslAbort (); 4871c0e1b6dSJung-uk Kim } 4881c0e1b6dSJung-uk Kim 489f8146b88SJung-uk Kim /* Get the actual type of the argument */ 490f8146b88SJung-uk Kim 4910b94ba42SJung-uk Kim ThisNodeBtype = AnGetBtype (ArgOp); 4920b94ba42SJung-uk Kim if (ThisNodeBtype == ACPI_UINT32_MAX) 4930b94ba42SJung-uk Kim { 4940b94ba42SJung-uk Kim goto NextArgument; 4950b94ba42SJung-uk Kim } 4960b94ba42SJung-uk Kim 4970b94ba42SJung-uk Kim /* Examine the arg based on the required type of the arg */ 4980b94ba42SJung-uk Kim 4990b94ba42SJung-uk Kim switch (ArgType) 5000b94ba42SJung-uk Kim { 5010b94ba42SJung-uk Kim case ARGI_TARGETREF: 5020b94ba42SJung-uk Kim 5030b94ba42SJung-uk Kim if (ArgOp->Asl.ParseOpcode == PARSEOP_ZERO) 5040b94ba42SJung-uk Kim { 5050b94ba42SJung-uk Kim /* ZERO is the placeholder for "don't store result" */ 5060b94ba42SJung-uk Kim 5070b94ba42SJung-uk Kim ThisNodeBtype = RequiredBtypes; 5080b94ba42SJung-uk Kim break; 5090b94ba42SJung-uk Kim } 5100b94ba42SJung-uk Kim 511f8146b88SJung-uk Kim /* Fallthrough */ 512f8146b88SJung-uk Kim 513f8146b88SJung-uk Kim case ARGI_STORE_TARGET: 514f8146b88SJung-uk Kim 5150b94ba42SJung-uk Kim if (ArgOp->Asl.ParseOpcode == PARSEOP_INTEGER) 5160b94ba42SJung-uk Kim { 5170b94ba42SJung-uk Kim /* 5180b94ba42SJung-uk Kim * This is the case where an original reference to a resource 5190b94ba42SJung-uk Kim * descriptor field has been replaced by an (Integer) offset. 5200b94ba42SJung-uk Kim * These named fields are supported at compile-time only; 5210b94ba42SJung-uk Kim * the names are not passed to the interpreter (via the AML). 5220b94ba42SJung-uk Kim */ 5230b94ba42SJung-uk Kim if ((ArgOp->Asl.Node->Type == ACPI_TYPE_LOCAL_RESOURCE_FIELD) || 5240b94ba42SJung-uk Kim (ArgOp->Asl.Node->Type == ACPI_TYPE_LOCAL_RESOURCE)) 5250b94ba42SJung-uk Kim { 526f8146b88SJung-uk Kim AslError (ASL_ERROR, ASL_MSG_RESOURCE_FIELD, 527f8146b88SJung-uk Kim ArgOp, NULL); 5280b94ba42SJung-uk Kim } 5290b94ba42SJung-uk Kim else 5300b94ba42SJung-uk Kim { 531f8146b88SJung-uk Kim AslError (ASL_ERROR, ASL_MSG_INVALID_TYPE, 532f8146b88SJung-uk Kim ArgOp, NULL); 533f8146b88SJung-uk Kim } 5340b94ba42SJung-uk Kim } 5350b94ba42SJung-uk Kim break; 5360b94ba42SJung-uk Kim 5370b94ba42SJung-uk Kim 538f8146b88SJung-uk Kim #ifdef __FUTURE_IMPLEMENTATION 539f8146b88SJung-uk Kim /* 540f8146b88SJung-uk Kim * Possible future typechecking support 541f8146b88SJung-uk Kim */ 5420b94ba42SJung-uk Kim case ARGI_REFERENCE: /* References */ 5430b94ba42SJung-uk Kim case ARGI_INTEGER_REF: 5440b94ba42SJung-uk Kim case ARGI_OBJECT_REF: 5450b94ba42SJung-uk Kim case ARGI_DEVICE_REF: 5460b94ba42SJung-uk Kim 5470b94ba42SJung-uk Kim switch (ArgOp->Asl.ParseOpcode) 5480b94ba42SJung-uk Kim { 5490b94ba42SJung-uk Kim case PARSEOP_LOCAL0: 5500b94ba42SJung-uk Kim case PARSEOP_LOCAL1: 5510b94ba42SJung-uk Kim case PARSEOP_LOCAL2: 5520b94ba42SJung-uk Kim case PARSEOP_LOCAL3: 5530b94ba42SJung-uk Kim case PARSEOP_LOCAL4: 5540b94ba42SJung-uk Kim case PARSEOP_LOCAL5: 5550b94ba42SJung-uk Kim case PARSEOP_LOCAL6: 5560b94ba42SJung-uk Kim case PARSEOP_LOCAL7: 5570b94ba42SJung-uk Kim 5580b94ba42SJung-uk Kim /* TBD: implement analysis of current value (type) of the local */ 5590b94ba42SJung-uk Kim /* For now, just treat any local as a typematch */ 5600b94ba42SJung-uk Kim 5610b94ba42SJung-uk Kim /*ThisNodeBtype = RequiredBtypes;*/ 5620b94ba42SJung-uk Kim break; 5630b94ba42SJung-uk Kim 5640b94ba42SJung-uk Kim case PARSEOP_ARG0: 5650b94ba42SJung-uk Kim case PARSEOP_ARG1: 5660b94ba42SJung-uk Kim case PARSEOP_ARG2: 5670b94ba42SJung-uk Kim case PARSEOP_ARG3: 5680b94ba42SJung-uk Kim case PARSEOP_ARG4: 5690b94ba42SJung-uk Kim case PARSEOP_ARG5: 5700b94ba42SJung-uk Kim case PARSEOP_ARG6: 5710b94ba42SJung-uk Kim 572f8146b88SJung-uk Kim /* Hard to analyze argument types, so we won't */ 573f8146b88SJung-uk Kim /* for now. Just treat any arg as a typematch */ 5740b94ba42SJung-uk Kim 5750b94ba42SJung-uk Kim /* ThisNodeBtype = RequiredBtypes; */ 5760b94ba42SJung-uk Kim break; 5770b94ba42SJung-uk Kim 5780b94ba42SJung-uk Kim case PARSEOP_DEBUG: 5790b94ba42SJung-uk Kim case PARSEOP_REFOF: 5800b94ba42SJung-uk Kim case PARSEOP_INDEX: 5810b94ba42SJung-uk Kim default: 582a9d8d09cSJung-uk Kim 5830b94ba42SJung-uk Kim break; 5840b94ba42SJung-uk Kim } 5850b94ba42SJung-uk Kim break; 586f8146b88SJung-uk Kim #endif 5870b94ba42SJung-uk Kim case ARGI_INTEGER: 5880b94ba42SJung-uk Kim default: 589a9d8d09cSJung-uk Kim 5900b94ba42SJung-uk Kim break; 5910b94ba42SJung-uk Kim } 5920b94ba42SJung-uk Kim 5930b94ba42SJung-uk Kim 594f8146b88SJung-uk Kim /* Check for a type mismatch (required versus actual) */ 595f8146b88SJung-uk Kim 5960b94ba42SJung-uk Kim CommonBtypes = ThisNodeBtype & RequiredBtypes; 5970b94ba42SJung-uk Kim 5980b94ba42SJung-uk Kim if (ArgOp->Asl.ParseOpcode == PARSEOP_METHODCALL) 5990b94ba42SJung-uk Kim { 6000b94ba42SJung-uk Kim if (AnIsInternalMethod (ArgOp)) 6010b94ba42SJung-uk Kim { 6020b94ba42SJung-uk Kim return (AE_OK); 6030b94ba42SJung-uk Kim } 6040b94ba42SJung-uk Kim 6050b94ba42SJung-uk Kim /* Check a method call for a valid return value */ 6060b94ba42SJung-uk Kim 6070b94ba42SJung-uk Kim AnCheckMethodReturnValue (Op, OpInfo, ArgOp, 6080b94ba42SJung-uk Kim RequiredBtypes, ThisNodeBtype); 6090b94ba42SJung-uk Kim } 6100b94ba42SJung-uk Kim 6110b94ba42SJung-uk Kim /* 6120b94ba42SJung-uk Kim * Now check if the actual type(s) match at least one 6130b94ba42SJung-uk Kim * bit to the required type 6140b94ba42SJung-uk Kim */ 6150b94ba42SJung-uk Kim else if (!CommonBtypes) 6160b94ba42SJung-uk Kim { 6170b94ba42SJung-uk Kim /* No match -- this is a type mismatch error */ 6180b94ba42SJung-uk Kim 6190b94ba42SJung-uk Kim AnFormatBtype (StringBuffer, ThisNodeBtype); 6200b94ba42SJung-uk Kim AnFormatBtype (StringBuffer2, RequiredBtypes); 6210b94ba42SJung-uk Kim 6220b94ba42SJung-uk Kim sprintf (MsgBuffer, "[%s] found, %s operator requires [%s]", 6230b94ba42SJung-uk Kim StringBuffer, OpInfo->Name, StringBuffer2); 6240b94ba42SJung-uk Kim 625f8146b88SJung-uk Kim AslError (ASL_ERROR, ASL_MSG_INVALID_TYPE, 626f8146b88SJung-uk Kim ArgOp, MsgBuffer); 6270b94ba42SJung-uk Kim } 6280b94ba42SJung-uk Kim 6290b94ba42SJung-uk Kim NextArgument: 6300b94ba42SJung-uk Kim ArgOp = ArgOp->Asl.Next; 6310b94ba42SJung-uk Kim INCREMENT_ARG_LIST (RuntimeArgTypes2); 6320b94ba42SJung-uk Kim } 6330b94ba42SJung-uk Kim break; 6340b94ba42SJung-uk Kim 6350b94ba42SJung-uk Kim default: 636a9d8d09cSJung-uk Kim 6370b94ba42SJung-uk Kim break; 6380b94ba42SJung-uk Kim } 6390b94ba42SJung-uk Kim 6400b94ba42SJung-uk Kim return (AE_OK); 6410b94ba42SJung-uk Kim } 6420b94ba42SJung-uk Kim 6430b94ba42SJung-uk Kim 6440b94ba42SJung-uk Kim /******************************************************************************* 6450b94ba42SJung-uk Kim * 6460b94ba42SJung-uk Kim * FUNCTION: AnOtherSemanticAnalysisWalkBegin 6470b94ba42SJung-uk Kim * 6480b94ba42SJung-uk Kim * PARAMETERS: ASL_WALK_CALLBACK 6490b94ba42SJung-uk Kim * 6500b94ba42SJung-uk Kim * RETURN: Status 6510b94ba42SJung-uk Kim * 6520b94ba42SJung-uk Kim * DESCRIPTION: Descending callback for the analysis walk. Checks for 6530b94ba42SJung-uk Kim * miscellaneous issues in the code. 6540b94ba42SJung-uk Kim * 6550b94ba42SJung-uk Kim ******************************************************************************/ 6560b94ba42SJung-uk Kim 6570b94ba42SJung-uk Kim ACPI_STATUS 6580b94ba42SJung-uk Kim AnOtherSemanticAnalysisWalkBegin ( 6590b94ba42SJung-uk Kim ACPI_PARSE_OBJECT *Op, 6600b94ba42SJung-uk Kim UINT32 Level, 6610b94ba42SJung-uk Kim void *Context) 6620b94ba42SJung-uk Kim { 663f8146b88SJung-uk Kim ACPI_PARSE_OBJECT *ArgOp; 664f8146b88SJung-uk Kim ACPI_PARSE_OBJECT *PrevArgOp = NULL; 6650b94ba42SJung-uk Kim const ACPI_OPCODE_INFO *OpInfo; 6663f0275a0SJung-uk Kim ACPI_NAMESPACE_NODE *Node; 6670b94ba42SJung-uk Kim 6680b94ba42SJung-uk Kim 6690b94ba42SJung-uk Kim OpInfo = AcpiPsGetOpcodeInfo (Op->Asl.AmlOpcode); 6700b94ba42SJung-uk Kim 671f8146b88SJung-uk Kim 6720b94ba42SJung-uk Kim /* 6730b94ba42SJung-uk Kim * Determine if an execution class operator actually does something by 6740b94ba42SJung-uk Kim * checking if it has a target and/or the function return value is used. 6750b94ba42SJung-uk Kim * (Target is optional, so a standalone statement can actually do nothing.) 6760b94ba42SJung-uk Kim */ 6770b94ba42SJung-uk Kim if ((OpInfo->Class == AML_CLASS_EXECUTE) && 6780b94ba42SJung-uk Kim (OpInfo->Flags & AML_HAS_RETVAL) && 6790b94ba42SJung-uk Kim (!AnIsResultUsed (Op))) 6800b94ba42SJung-uk Kim { 6810b94ba42SJung-uk Kim if (OpInfo->Flags & AML_HAS_TARGET) 6820b94ba42SJung-uk Kim { 6830b94ba42SJung-uk Kim /* 684f8146b88SJung-uk Kim * Find the target node, it is always the last child. If the target 6850b94ba42SJung-uk Kim * is not specified in the ASL, a default node of type Zero was 6860b94ba42SJung-uk Kim * created by the parser. 6870b94ba42SJung-uk Kim */ 688f8146b88SJung-uk Kim ArgOp = Op->Asl.Child; 689f8146b88SJung-uk Kim while (ArgOp->Asl.Next) 6900b94ba42SJung-uk Kim { 691f8146b88SJung-uk Kim PrevArgOp = ArgOp; 692f8146b88SJung-uk Kim ArgOp = ArgOp->Asl.Next; 6930b94ba42SJung-uk Kim } 6940b94ba42SJung-uk Kim 6950b94ba42SJung-uk Kim /* Divide() is the only weird case, it has two targets */ 6960b94ba42SJung-uk Kim 6970b94ba42SJung-uk Kim if (Op->Asl.AmlOpcode == AML_DIVIDE_OP) 6980b94ba42SJung-uk Kim { 699f8146b88SJung-uk Kim if ((ArgOp->Asl.ParseOpcode == PARSEOP_ZERO) && 700f8146b88SJung-uk Kim (PrevArgOp) && 701f8146b88SJung-uk Kim (PrevArgOp->Asl.ParseOpcode == PARSEOP_ZERO)) 7020b94ba42SJung-uk Kim { 7039c7c683cSJung-uk Kim AslError (ASL_ERROR, ASL_MSG_RESULT_NOT_USED, 7040b94ba42SJung-uk Kim Op, Op->Asl.ExternalName); 7050b94ba42SJung-uk Kim } 7060b94ba42SJung-uk Kim } 707f8146b88SJung-uk Kim 708f8146b88SJung-uk Kim else if (ArgOp->Asl.ParseOpcode == PARSEOP_ZERO) 7090b94ba42SJung-uk Kim { 7109c7c683cSJung-uk Kim AslError (ASL_ERROR, ASL_MSG_RESULT_NOT_USED, 7110b94ba42SJung-uk Kim Op, Op->Asl.ExternalName); 7120b94ba42SJung-uk Kim } 7130b94ba42SJung-uk Kim } 7140b94ba42SJung-uk Kim else 7150b94ba42SJung-uk Kim { 7160b94ba42SJung-uk Kim /* 7170b94ba42SJung-uk Kim * Has no target and the result is not used. Only a couple opcodes 7180b94ba42SJung-uk Kim * can have this combination. 7190b94ba42SJung-uk Kim */ 7200b94ba42SJung-uk Kim switch (Op->Asl.ParseOpcode) 7210b94ba42SJung-uk Kim { 7220b94ba42SJung-uk Kim case PARSEOP_ACQUIRE: 7230b94ba42SJung-uk Kim case PARSEOP_WAIT: 7240b94ba42SJung-uk Kim case PARSEOP_LOADTABLE: 725a9d8d09cSJung-uk Kim 7260b94ba42SJung-uk Kim break; 7270b94ba42SJung-uk Kim 7280b94ba42SJung-uk Kim default: 729a9d8d09cSJung-uk Kim 7309c7c683cSJung-uk Kim AslError (ASL_ERROR, ASL_MSG_RESULT_NOT_USED, 7310b94ba42SJung-uk Kim Op, Op->Asl.ExternalName); 7320b94ba42SJung-uk Kim break; 7330b94ba42SJung-uk Kim } 7340b94ba42SJung-uk Kim } 7350b94ba42SJung-uk Kim } 7360b94ba42SJung-uk Kim 7370b94ba42SJung-uk Kim 7380b94ba42SJung-uk Kim /* 7390b94ba42SJung-uk Kim * Semantic checks for individual ASL operators 7400b94ba42SJung-uk Kim */ 7410b94ba42SJung-uk Kim switch (Op->Asl.ParseOpcode) 7420b94ba42SJung-uk Kim { 743f8146b88SJung-uk Kim case PARSEOP_STORE: 744f8146b88SJung-uk Kim 745f8146b88SJung-uk Kim if (Gbl_DoTypechecking) 746f8146b88SJung-uk Kim { 747f8146b88SJung-uk Kim AnAnalyzeStoreOperator (Op); 748f8146b88SJung-uk Kim } 749f8146b88SJung-uk Kim break; 750f8146b88SJung-uk Kim 751f8146b88SJung-uk Kim 7520b94ba42SJung-uk Kim case PARSEOP_ACQUIRE: 7530b94ba42SJung-uk Kim case PARSEOP_WAIT: 7540b94ba42SJung-uk Kim /* 7550b94ba42SJung-uk Kim * Emit a warning if the timeout parameter for these operators is not 7560b94ba42SJung-uk Kim * ACPI_WAIT_FOREVER, and the result value from the operator is not 7570b94ba42SJung-uk Kim * checked, meaning that a timeout could happen, but the code 7580b94ba42SJung-uk Kim * would not know about it. 7590b94ba42SJung-uk Kim */ 7600b94ba42SJung-uk Kim 7610b94ba42SJung-uk Kim /* First child is the namepath, 2nd child is timeout */ 7620b94ba42SJung-uk Kim 763f8146b88SJung-uk Kim ArgOp = Op->Asl.Child; 764f8146b88SJung-uk Kim ArgOp = ArgOp->Asl.Next; 7650b94ba42SJung-uk Kim 7660b94ba42SJung-uk Kim /* 7670b94ba42SJung-uk Kim * Check for the WAIT_FOREVER case - defined by the ACPI spec to be 7680b94ba42SJung-uk Kim * 0xFFFF or greater 7690b94ba42SJung-uk Kim */ 770f8146b88SJung-uk Kim if (((ArgOp->Asl.ParseOpcode == PARSEOP_WORDCONST) || 771f8146b88SJung-uk Kim (ArgOp->Asl.ParseOpcode == PARSEOP_INTEGER)) && 772f8146b88SJung-uk Kim (ArgOp->Asl.Value.Integer >= (UINT64) ACPI_WAIT_FOREVER)) 7730b94ba42SJung-uk Kim { 7740b94ba42SJung-uk Kim break; 7750b94ba42SJung-uk Kim } 7760b94ba42SJung-uk Kim 7770b94ba42SJung-uk Kim /* 7780b94ba42SJung-uk Kim * The operation could timeout. If the return value is not used 7790b94ba42SJung-uk Kim * (indicates timeout occurred), issue a warning 7800b94ba42SJung-uk Kim */ 7810b94ba42SJung-uk Kim if (!AnIsResultUsed (Op)) 7820b94ba42SJung-uk Kim { 783f8146b88SJung-uk Kim AslError (ASL_WARNING, ASL_MSG_TIMEOUT, ArgOp, 7840b94ba42SJung-uk Kim Op->Asl.ExternalName); 7850b94ba42SJung-uk Kim } 7860b94ba42SJung-uk Kim break; 7870b94ba42SJung-uk Kim 7880b94ba42SJung-uk Kim case PARSEOP_CREATEFIELD: 7890b94ba42SJung-uk Kim /* 7900b94ba42SJung-uk Kim * Check for a zero Length (NumBits) operand. NumBits is the 3rd operand 7910b94ba42SJung-uk Kim */ 792f8146b88SJung-uk Kim ArgOp = Op->Asl.Child; 793f8146b88SJung-uk Kim ArgOp = ArgOp->Asl.Next; 794f8146b88SJung-uk Kim ArgOp = ArgOp->Asl.Next; 7950b94ba42SJung-uk Kim 796f8146b88SJung-uk Kim if ((ArgOp->Asl.ParseOpcode == PARSEOP_ZERO) || 797f8146b88SJung-uk Kim ((ArgOp->Asl.ParseOpcode == PARSEOP_INTEGER) && 798f8146b88SJung-uk Kim (ArgOp->Asl.Value.Integer == 0))) 7990b94ba42SJung-uk Kim { 800f8146b88SJung-uk Kim AslError (ASL_ERROR, ASL_MSG_NON_ZERO, ArgOp, NULL); 8010b94ba42SJung-uk Kim } 8020b94ba42SJung-uk Kim break; 8030b94ba42SJung-uk Kim 8043f0275a0SJung-uk Kim case PARSEOP_CONNECTION: 8053f0275a0SJung-uk Kim /* 8063f0275a0SJung-uk Kim * Ensure that the referenced operation region has the correct SPACE_ID. 8073f0275a0SJung-uk Kim * From the grammar/parser, we know the parent is a FIELD definition. 8083f0275a0SJung-uk Kim */ 809f8146b88SJung-uk Kim ArgOp = Op->Asl.Parent; /* Field definition */ 810f8146b88SJung-uk Kim ArgOp = ArgOp->Asl.Child; /* First child is the OpRegion Name */ 811f8146b88SJung-uk Kim Node = ArgOp->Asl.Node; /* OpRegion namespace node */ 812313a0c13SJung-uk Kim if (!Node) 813313a0c13SJung-uk Kim { 814313a0c13SJung-uk Kim break; 815313a0c13SJung-uk Kim } 8163f0275a0SJung-uk Kim 817f8146b88SJung-uk Kim ArgOp = Node->Op; /* OpRegion definition */ 818f8146b88SJung-uk Kim ArgOp = ArgOp->Asl.Child; /* First child is the OpRegion Name */ 819f8146b88SJung-uk Kim ArgOp = ArgOp->Asl.Next; /* Next peer is the SPACE_ID (what we want) */ 8203f0275a0SJung-uk Kim 8213f0275a0SJung-uk Kim /* 8223f0275a0SJung-uk Kim * The Connection() operator is only valid for the following operation 8233f0275a0SJung-uk Kim * region SpaceIds: GeneralPurposeIo and GenericSerialBus. 8243f0275a0SJung-uk Kim */ 825f8146b88SJung-uk Kim if ((ArgOp->Asl.Value.Integer != ACPI_ADR_SPACE_GPIO) && 826f8146b88SJung-uk Kim (ArgOp->Asl.Value.Integer != ACPI_ADR_SPACE_GSBUS)) 8273f0275a0SJung-uk Kim { 8283f0275a0SJung-uk Kim AslError (ASL_ERROR, ASL_MSG_CONNECTION_INVALID, Op, NULL); 8293f0275a0SJung-uk Kim } 8303f0275a0SJung-uk Kim break; 8313f0275a0SJung-uk Kim 8323f0275a0SJung-uk Kim case PARSEOP_FIELD: 8333f0275a0SJung-uk Kim /* 8343f0275a0SJung-uk Kim * Ensure that fields for GeneralPurposeIo and GenericSerialBus 8353f0275a0SJung-uk Kim * contain at least one Connection() operator 8363f0275a0SJung-uk Kim */ 837f8146b88SJung-uk Kim ArgOp = Op->Asl.Child; /* 1st child is the OpRegion Name */ 838f8146b88SJung-uk Kim Node = ArgOp->Asl.Node; /* OpRegion namespace node */ 8393f0275a0SJung-uk Kim if (!Node) 8403f0275a0SJung-uk Kim { 8413f0275a0SJung-uk Kim break; 8423f0275a0SJung-uk Kim } 8433f0275a0SJung-uk Kim 844f8146b88SJung-uk Kim ArgOp = Node->Op; /* OpRegion definition */ 845f8146b88SJung-uk Kim ArgOp = ArgOp->Asl.Child; /* First child is the OpRegion Name */ 846f8146b88SJung-uk Kim ArgOp = ArgOp->Asl.Next; /* Next peer is the SPACE_ID (what we want) */ 8473f0275a0SJung-uk Kim 8483f0275a0SJung-uk Kim /* We are only interested in GeneralPurposeIo and GenericSerialBus */ 8493f0275a0SJung-uk Kim 850f8146b88SJung-uk Kim if ((ArgOp->Asl.Value.Integer != ACPI_ADR_SPACE_GPIO) && 851f8146b88SJung-uk Kim (ArgOp->Asl.Value.Integer != ACPI_ADR_SPACE_GSBUS)) 8523f0275a0SJung-uk Kim { 8533f0275a0SJung-uk Kim break; 8543f0275a0SJung-uk Kim } 8553f0275a0SJung-uk Kim 856f8146b88SJung-uk Kim ArgOp = Op->Asl.Child; /* 1st child is the OpRegion Name */ 857f8146b88SJung-uk Kim ArgOp = ArgOp->Asl.Next; /* AccessType */ 858f8146b88SJung-uk Kim ArgOp = ArgOp->Asl.Next; /* LockRule */ 859f8146b88SJung-uk Kim ArgOp = ArgOp->Asl.Next; /* UpdateRule */ 860f8146b88SJung-uk Kim ArgOp = ArgOp->Asl.Next; /* Start of FieldUnitList */ 8613f0275a0SJung-uk Kim 8623f0275a0SJung-uk Kim /* Walk the FieldUnitList */ 8633f0275a0SJung-uk Kim 864f8146b88SJung-uk Kim while (ArgOp) 8653f0275a0SJung-uk Kim { 866f8146b88SJung-uk Kim if (ArgOp->Asl.ParseOpcode == PARSEOP_CONNECTION) 8673f0275a0SJung-uk Kim { 8683f0275a0SJung-uk Kim break; 8693f0275a0SJung-uk Kim } 870f8146b88SJung-uk Kim else if (ArgOp->Asl.ParseOpcode == PARSEOP_NAMESEG) 8713f0275a0SJung-uk Kim { 872f8146b88SJung-uk Kim AslError (ASL_ERROR, ASL_MSG_CONNECTION_MISSING, ArgOp, NULL); 8733f0275a0SJung-uk Kim break; 8743f0275a0SJung-uk Kim } 8753f0275a0SJung-uk Kim 876f8146b88SJung-uk Kim ArgOp = ArgOp->Asl.Next; 8773f0275a0SJung-uk Kim } 8783f0275a0SJung-uk Kim break; 8793f0275a0SJung-uk Kim 8800b94ba42SJung-uk Kim default: 881a9d8d09cSJung-uk Kim 8820b94ba42SJung-uk Kim break; 8830b94ba42SJung-uk Kim } 8840b94ba42SJung-uk Kim 8850b94ba42SJung-uk Kim return (AE_OK); 8860b94ba42SJung-uk Kim } 887f8146b88SJung-uk Kim 888f8146b88SJung-uk Kim 889f8146b88SJung-uk Kim /******************************************************************************* 890f8146b88SJung-uk Kim * 891f8146b88SJung-uk Kim * FUNCTION: AnAnalyzeStoreOperator 892f8146b88SJung-uk Kim * 893f8146b88SJung-uk Kim * PARAMETERS: Op - Store() operator 894f8146b88SJung-uk Kim * 895f8146b88SJung-uk Kim * RETURN: None 896f8146b88SJung-uk Kim * 897f8146b88SJung-uk Kim * DESCRIPTION: Analyze a store operator. Mostly for stores to/from package 898f8146b88SJung-uk Kim * objects where there are more restrictions than other data 899f8146b88SJung-uk Kim * types. 900f8146b88SJung-uk Kim * 901f8146b88SJung-uk Kim ******************************************************************************/ 902f8146b88SJung-uk Kim 903f8146b88SJung-uk Kim static void 904f8146b88SJung-uk Kim AnAnalyzeStoreOperator ( 905f8146b88SJung-uk Kim ACPI_PARSE_OBJECT *Op) 906f8146b88SJung-uk Kim { 907f8146b88SJung-uk Kim ACPI_NAMESPACE_NODE *SourceNode; 908f8146b88SJung-uk Kim ACPI_NAMESPACE_NODE *TargetNode; 909f8146b88SJung-uk Kim ACPI_PARSE_OBJECT *SourceOperandOp; 910f8146b88SJung-uk Kim ACPI_PARSE_OBJECT *TargetOperandOp; 911f8146b88SJung-uk Kim UINT32 SourceOperandBtype; 912f8146b88SJung-uk Kim UINT32 TargetOperandBtype; 913f8146b88SJung-uk Kim 914f8146b88SJung-uk Kim 915f8146b88SJung-uk Kim /* Extract the two operands for STORE */ 916f8146b88SJung-uk Kim 917f8146b88SJung-uk Kim SourceOperandOp = Op->Asl.Child; 918f8146b88SJung-uk Kim TargetOperandOp = SourceOperandOp->Asl.Next; 919f8146b88SJung-uk Kim 920f8146b88SJung-uk Kim /* 921f8146b88SJung-uk Kim * Ignore these Source operand opcodes, they cannot be typechecked, 922f8146b88SJung-uk Kim * the actual result is unknown here. 923f8146b88SJung-uk Kim */ 924f8146b88SJung-uk Kim switch (SourceOperandOp->Asl.ParseOpcode) 925f8146b88SJung-uk Kim { 926f8146b88SJung-uk Kim /* For these, type of the returned value is unknown at compile time */ 927f8146b88SJung-uk Kim 928f8146b88SJung-uk Kim case PARSEOP_DEREFOF: 929f8146b88SJung-uk Kim case PARSEOP_METHODCALL: 930f8146b88SJung-uk Kim case PARSEOP_STORE: 931f8146b88SJung-uk Kim case PARSEOP_COPYOBJECT: 932f8146b88SJung-uk Kim 933f8146b88SJung-uk Kim return; 934f8146b88SJung-uk Kim 935f8146b88SJung-uk Kim case PARSEOP_INDEX: 936f8146b88SJung-uk Kim case PARSEOP_REFOF: 937f8146b88SJung-uk Kim 938f8146b88SJung-uk Kim if (!Gbl_EnableReferenceTypechecking) 939f8146b88SJung-uk Kim { 940f8146b88SJung-uk Kim return; 941f8146b88SJung-uk Kim } 942f8146b88SJung-uk Kim 943f8146b88SJung-uk Kim /* 944f8146b88SJung-uk Kim * These opcodes always return an object reference, and thus 945f8146b88SJung-uk Kim * the result can only be stored to a Local, Arg, or Debug. 946f8146b88SJung-uk Kim */ 947f8146b88SJung-uk Kim if (TargetOperandOp->Asl.AmlOpcode == AML_DEBUG_OP) 948f8146b88SJung-uk Kim { 949f8146b88SJung-uk Kim return; 950f8146b88SJung-uk Kim } 951f8146b88SJung-uk Kim 952f8146b88SJung-uk Kim if ((TargetOperandOp->Asl.AmlOpcode < AML_LOCAL0) || 953f8146b88SJung-uk Kim (TargetOperandOp->Asl.AmlOpcode > AML_ARG6)) 954f8146b88SJung-uk Kim { 955f8146b88SJung-uk Kim AslError (ASL_ERROR, ASL_MSG_INVALID_TYPE, TargetOperandOp, 956f8146b88SJung-uk Kim "Source [Reference], Target must be [Local/Arg/Debug]"); 957f8146b88SJung-uk Kim } 958f8146b88SJung-uk Kim return; 959f8146b88SJung-uk Kim 960f8146b88SJung-uk Kim default: 961f8146b88SJung-uk Kim break; 962f8146b88SJung-uk Kim } 963f8146b88SJung-uk Kim 964f8146b88SJung-uk Kim /* 965f8146b88SJung-uk Kim * Ignore these Target operand opcodes, they cannot be typechecked 966f8146b88SJung-uk Kim */ 967f8146b88SJung-uk Kim switch (TargetOperandOp->Asl.ParseOpcode) 968f8146b88SJung-uk Kim { 969f8146b88SJung-uk Kim case PARSEOP_DEBUG: 970f8146b88SJung-uk Kim case PARSEOP_DEREFOF: 971f8146b88SJung-uk Kim case PARSEOP_REFOF: 972f8146b88SJung-uk Kim case PARSEOP_INDEX: 9731cc50d6bSJung-uk Kim case PARSEOP_STORE: 974f8146b88SJung-uk Kim 975f8146b88SJung-uk Kim return; 976f8146b88SJung-uk Kim 977f8146b88SJung-uk Kim default: 978f8146b88SJung-uk Kim break; 979f8146b88SJung-uk Kim } 980f8146b88SJung-uk Kim 981f8146b88SJung-uk Kim /* 982f8146b88SJung-uk Kim * Ignore typecheck for External() operands of type "UnknownObj", 983f8146b88SJung-uk Kim * we don't know the actual type (source or target). 984f8146b88SJung-uk Kim */ 985f8146b88SJung-uk Kim SourceNode = SourceOperandOp->Asl.Node; 986f8146b88SJung-uk Kim if (SourceNode && 987f8146b88SJung-uk Kim (SourceNode->Flags & ANOBJ_IS_EXTERNAL) && 988f8146b88SJung-uk Kim (SourceNode->Type == ACPI_TYPE_ANY)) 989f8146b88SJung-uk Kim { 990f8146b88SJung-uk Kim return; 991f8146b88SJung-uk Kim } 992f8146b88SJung-uk Kim 993f8146b88SJung-uk Kim TargetNode = TargetOperandOp->Asl.Node; 994f8146b88SJung-uk Kim if (TargetNode && 995f8146b88SJung-uk Kim (TargetNode->Flags & ANOBJ_IS_EXTERNAL) && 996f8146b88SJung-uk Kim (TargetNode->Type == ACPI_TYPE_ANY)) 997f8146b88SJung-uk Kim { 998f8146b88SJung-uk Kim return; 999f8146b88SJung-uk Kim } 1000f8146b88SJung-uk Kim 1001f8146b88SJung-uk Kim /* 1002f8146b88SJung-uk Kim * A NULL node with a namepath AML opcode indicates non-existent 1003f8146b88SJung-uk Kim * name. Just return, the error message is generated elsewhere. 1004f8146b88SJung-uk Kim */ 1005f8146b88SJung-uk Kim if ((!SourceNode && (SourceOperandOp->Asl.AmlOpcode == AML_INT_NAMEPATH_OP)) || 1006f8146b88SJung-uk Kim (!TargetNode && (TargetOperandOp->Asl.AmlOpcode == AML_INT_NAMEPATH_OP))) 1007f8146b88SJung-uk Kim { 1008f8146b88SJung-uk Kim return; 1009f8146b88SJung-uk Kim } 1010f8146b88SJung-uk Kim 1011f8146b88SJung-uk Kim /* 1012f8146b88SJung-uk Kim * Simple check for source same as target via NS node. 1013f8146b88SJung-uk Kim * -- Could be expanded to locals and args. 1014f8146b88SJung-uk Kim */ 1015f8146b88SJung-uk Kim if (SourceNode && TargetNode) 1016f8146b88SJung-uk Kim { 1017f8146b88SJung-uk Kim if (SourceNode == TargetNode) 1018f8146b88SJung-uk Kim { 1019f8146b88SJung-uk Kim AslError (ASL_WARNING, ASL_MSG_DUPLICATE_ITEM, 1020f8146b88SJung-uk Kim TargetOperandOp, "Source is the same as Target"); 1021f8146b88SJung-uk Kim return; 1022f8146b88SJung-uk Kim } 1023f8146b88SJung-uk Kim } 1024f8146b88SJung-uk Kim 1025f8146b88SJung-uk Kim /* Ignore typecheck if either source or target is a local or arg */ 1026f8146b88SJung-uk Kim 1027f8146b88SJung-uk Kim if ((SourceOperandOp->Asl.AmlOpcode >= AML_LOCAL0) && 1028f8146b88SJung-uk Kim (SourceOperandOp->Asl.AmlOpcode <= AML_ARG6)) 1029f8146b88SJung-uk Kim { 1030f8146b88SJung-uk Kim return; /* Cannot type a local/arg at compile time */ 1031f8146b88SJung-uk Kim } 1032f8146b88SJung-uk Kim 1033f8146b88SJung-uk Kim if ((TargetOperandOp->Asl.AmlOpcode >= AML_LOCAL0) && 1034f8146b88SJung-uk Kim (TargetOperandOp->Asl.AmlOpcode <= AML_ARG6)) 1035f8146b88SJung-uk Kim { 1036f8146b88SJung-uk Kim return; /* Cannot type a local/arg at compile time */ 1037f8146b88SJung-uk Kim } 1038f8146b88SJung-uk Kim 1039f8146b88SJung-uk Kim /* 1040f8146b88SJung-uk Kim * Package objects are a special case because they cannot by implicitly 1041f8146b88SJung-uk Kim * converted to/from anything. Check for these two illegal cases: 1042f8146b88SJung-uk Kim * 1043f8146b88SJung-uk Kim * Store (non-package, package) 1044f8146b88SJung-uk Kim * Store (package, non-package) 1045f8146b88SJung-uk Kim */ 1046f8146b88SJung-uk Kim SourceOperandBtype = AnGetBtype (SourceOperandOp); 1047f8146b88SJung-uk Kim TargetOperandBtype = AnGetBtype (TargetOperandOp); 1048f8146b88SJung-uk Kim 1049f8146b88SJung-uk Kim /* Check source first for (package, non-package) case */ 1050f8146b88SJung-uk Kim 1051f8146b88SJung-uk Kim if (SourceOperandBtype & ACPI_BTYPE_PACKAGE) 1052f8146b88SJung-uk Kim { 1053f8146b88SJung-uk Kim /* If Source is PACKAGE-->Target must be PACKAGE */ 1054f8146b88SJung-uk Kim 1055f8146b88SJung-uk Kim if (!(TargetOperandBtype & ACPI_BTYPE_PACKAGE)) 1056f8146b88SJung-uk Kim { 1057f8146b88SJung-uk Kim AslError (ASL_ERROR, ASL_MSG_INVALID_TYPE, TargetOperandOp, 1058f8146b88SJung-uk Kim "Source is [Package], Target must be a package also"); 1059f8146b88SJung-uk Kim } 1060f8146b88SJung-uk Kim } 1061f8146b88SJung-uk Kim 1062f8146b88SJung-uk Kim /* Else check target for (non-package, package) case */ 1063f8146b88SJung-uk Kim 1064f8146b88SJung-uk Kim else if (TargetOperandBtype & ACPI_BTYPE_PACKAGE) 1065f8146b88SJung-uk Kim { 1066f8146b88SJung-uk Kim /* If Target is PACKAGE, Source must be PACKAGE */ 1067f8146b88SJung-uk Kim 1068f8146b88SJung-uk Kim if (!(SourceOperandBtype & ACPI_BTYPE_PACKAGE)) 1069f8146b88SJung-uk Kim { 1070f8146b88SJung-uk Kim AslError (ASL_ERROR, ASL_MSG_INVALID_TYPE, SourceOperandOp, 1071f8146b88SJung-uk Kim "Target is [Package], Source must be a package also"); 1072f8146b88SJung-uk Kim } 1073f8146b88SJung-uk Kim } 1074f8146b88SJung-uk Kim } 1075