diff options
Diffstat (limited to 'usr/src/common/acpica/parser/psobject.c')
| -rw-r--r-- | usr/src/common/acpica/parser/psobject.c | 254 |
1 files changed, 234 insertions, 20 deletions
diff --git a/usr/src/common/acpica/parser/psobject.c b/usr/src/common/acpica/parser/psobject.c index 7edc39e2b7..8d6f81bd68 100644 --- a/usr/src/common/acpica/parser/psobject.c +++ b/usr/src/common/acpica/parser/psobject.c @@ -4,10 +4,118 @@ * *****************************************************************************/ -/* - * Copyright (C) 2000 - 2016, Intel Corp. +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999 - 2018, Intel Corp. * All rights reserved. * + * 2. License + * + * 2.1. This is your license from Intel Corp. under its intellectual property + * rights. You may have additional license terms from the party that provided + * you this software, covering your right to use that party's intellectual + * property rights. + * + * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a + * copy of the source code appearing in this file ("Covered Code") an + * irrevocable, perpetual, worldwide license under Intel's copyrights in the + * base code distributed originally by Intel ("Original Intel Code") to copy, + * make derivatives, distribute, use and display any portion of the Covered + * Code in any form, with the right to sublicense such rights; and + * + * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent + * license (with the right to sublicense), under only those claims of Intel + * patents that are infringed by the Original Intel Code, to make, use, sell, + * offer to sell, and import the Covered Code and derivative works thereof + * solely to the minimum extent necessary to exercise the above copyright + * license, and in no event shall the patent license extend to any additions + * to or modifications of the Original Intel Code. No other license or right + * is granted directly or by implication, estoppel or otherwise; + * + * The above copyright and patent license is granted only if the following + * conditions are met: + * + * 3. Conditions + * + * 3.1. Redistribution of Source with Rights to Further Distribute Source. + * Redistribution of source code of any substantial portion of the Covered + * Code or modification with rights to further distribute source must include + * the above Copyright Notice, the above License, this list of Conditions, + * and the following Disclaimer and Export Compliance provision. In addition, + * Licensee must cause all Covered Code to which Licensee contributes to + * contain a file documenting the changes Licensee made to create that Covered + * Code and the date of any change. Licensee must include in that file the + * documentation of any changes made by any predecessor Licensee. Licensee + * must include a prominent statement that the modification is derived, + * directly or indirectly, from Original Intel Code. + * + * 3.2. Redistribution of Source with no Rights to Further Distribute Source. + * Redistribution of source code of any substantial portion of the Covered + * Code or modification without rights to further distribute source must + * include the following Disclaimer and Export Compliance provision in the + * documentation and/or other materials provided with distribution. In + * addition, Licensee may not authorize further sublicense of source of any + * portion of the Covered Code, and must include terms to the effect that the + * license from Licensee to its licensee is limited to the intellectual + * property embodied in the software Licensee provides to its licensee, and + * not to intellectual property embodied in modifications its licensee may + * make. + * + * 3.3. Redistribution of Executable. Redistribution in executable form of any + * substantial portion of the Covered Code or modification must reproduce the + * above Copyright Notice, and the following Disclaimer and Export Compliance + * provision in the documentation and/or other materials provided with the + * distribution. + * + * 3.4. Intel retains all right, title, and interest in and to the Original + * Intel Code. + * + * 3.5. Neither the name Intel nor any other trademark owned or controlled by + * Intel shall be used in advertising or otherwise to promote the sale, use or + * other dealings in products derived from or relating to the Covered Code + * without prior written authorization from Intel. + * + * 4. Disclaimer and Export Compliance + * + * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED + * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE + * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, + * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY + * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY + * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A + * PARTICULAR PURPOSE. + * + * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES + * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR + * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, + * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY + * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL + * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS + * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY + * LIMITED REMEDY. + * + * 4.3. Licensee shall not export, either directly or indirectly, any of this + * software or system incorporating such software without first obtaining any + * required license or other approval from the U. S. Department of Commerce or + * any other agency or department of the United States Government. In the + * event Licensee exports any such software from the United States or + * re-exports any such software from a foreign destination, Licensee shall + * ensure that the distribution and export/re-export of the software is in + * compliance with all laws, regulations, orders, or other restrictions of the + * U.S. Export Administration Regulations. Licensee agrees that neither it nor + * any of its subsidiaries will export/re-export any technical data, process, + * software, or service, directly or indirectly, to any country for which the + * United States government or any agency thereof requires an export license, + * other governmental approval, or letter of assurance, without first obtaining + * such license, approval or letter. + * + ***************************************************************************** + * + * Alternatively, you may choose to be licensed under the terms of the + * following license: + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -23,28 +131,30 @@ * of any contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Alternatively, you may choose to be licensed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + *****************************************************************************/ #include "acpi.h" #include "accommon.h" #include "acparser.h" #include "amlcode.h" +#include "acconvert.h" +#include "acnamesp.h" #define _COMPONENT ACPI_PARSER ACPI_MODULE_NAME ("psobject") @@ -73,7 +183,7 @@ static ACPI_STATUS AcpiPsGetAmlOpcode ( ACPI_WALK_STATE *WalkState) { - UINT32 AmlOffset; + ACPI_ERROR_ONLY (UINT32 AmlOffset); ACPI_FUNCTION_TRACE_PTR (PsGetAmlOpcode, WalkState); @@ -108,8 +218,8 @@ AcpiPsGetAmlOpcode ( if (WalkState->PassNumber == 2) { - AmlOffset = (UINT32) ACPI_PTR_DIFF (WalkState->Aml, - WalkState->ParserState.AmlStart); + ACPI_ERROR_ONLY(AmlOffset = (UINT32) ACPI_PTR_DIFF (WalkState->Aml, + WalkState->ParserState.AmlStart)); ACPI_ERROR ((AE_INFO, "Unknown opcode 0x%.2X at table offset 0x%.4X, ignoring", @@ -128,12 +238,23 @@ AcpiPsGetAmlOpcode ( WalkState->Opcode, (UINT32) (AmlOffset + sizeof (ACPI_TABLE_HEADER))); + ACPI_ERROR ((AE_INFO, + "Aborting disassembly, AML byte code is corrupt")); + /* Dump the context surrounding the invalid opcode */ AcpiUtDumpBuffer (((UINT8 *) WalkState->ParserState.Aml - 16), 48, DB_BYTE_DISPLAY, (AmlOffset + sizeof (ACPI_TABLE_HEADER) - 16)); AcpiOsPrintf (" */\n"); + + /* + * Just abort the disassembly, cannot continue because the + * parser is essentially lost. The disassembler can then + * randomly fail because an ill-constructed parse tree + * can result. + */ + return_ACPI_STATUS (AE_AML_BAD_OPCODE); #endif } @@ -201,6 +322,7 @@ AcpiPsBuildNamedOp ( while (GET_CURRENT_ARG_TYPE (WalkState->ArgTypes) && (GET_CURRENT_ARG_TYPE (WalkState->ArgTypes) != ARGP_NAME)) { + ASL_CV_CAPTURE_COMMENTS (WalkState); Status = AcpiPsGetNextArg (WalkState, &(WalkState->ParserState), GET_CURRENT_ARG_TYPE (WalkState->ArgTypes), &Arg); if (ACPI_FAILURE (Status)) @@ -212,6 +334,18 @@ AcpiPsBuildNamedOp ( INCREMENT_ARG_LIST (WalkState->ArgTypes); } + /* are there any inline comments associated with the NameSeg?? If so, save this. */ + + ASL_CV_CAPTURE_COMMENTS (WalkState); + +#ifdef ACPI_ASL_COMPILER + if (AcpiGbl_CurrentInlineComment != NULL) + { + UnnamedOp->Common.NameComment = AcpiGbl_CurrentInlineComment; + AcpiGbl_CurrentInlineComment = NULL; + } +#endif + /* * Make sure that we found a NAME and didn't run out of arguments */ @@ -257,6 +391,28 @@ AcpiPsBuildNamedOp ( AcpiPsAppendArg (*Op, UnnamedOp->Common.Value.Arg); +#ifdef ACPI_ASL_COMPILER + + /* save any comments that might be associated with UnnamedOp. */ + + (*Op)->Common.InlineComment = UnnamedOp->Common.InlineComment; + (*Op)->Common.EndNodeComment = UnnamedOp->Common.EndNodeComment; + (*Op)->Common.CloseBraceComment = UnnamedOp->Common.CloseBraceComment; + (*Op)->Common.NameComment = UnnamedOp->Common.NameComment; + (*Op)->Common.CommentList = UnnamedOp->Common.CommentList; + (*Op)->Common.EndBlkComment = UnnamedOp->Common.EndBlkComment; + (*Op)->Common.CvFilename = UnnamedOp->Common.CvFilename; + (*Op)->Common.CvParentFilename = UnnamedOp->Common.CvParentFilename; + (*Op)->Named.Aml = UnnamedOp->Common.Aml; + + UnnamedOp->Common.InlineComment = NULL; + UnnamedOp->Common.EndNodeComment = NULL; + UnnamedOp->Common.CloseBraceComment = NULL; + UnnamedOp->Common.NameComment = NULL; + UnnamedOp->Common.CommentList = NULL; + UnnamedOp->Common.EndBlkComment = NULL; +#endif + if ((*Op)->Common.AmlOpcode == AML_REGION_OP || (*Op)->Common.AmlOpcode == AML_DATA_REGION_OP) { @@ -314,6 +470,10 @@ AcpiPsCreateOp ( { return_ACPI_STATUS (AE_CTRL_PARSE_CONTINUE); } + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } /* Create Op structure and append to parent's argument list */ @@ -328,6 +488,26 @@ AcpiPsCreateOp ( { Status = AcpiPsBuildNamedOp (WalkState, AmlOpStart, Op, &NamedOp); AcpiPsFreeOp (Op); + +#ifdef ACPI_ASL_COMPILER + if (AcpiGbl_DisasmFlag && WalkState->Opcode == AML_EXTERNAL_OP && + Status == AE_NOT_FOUND) + { + /* + * If parsing of AML_EXTERNAL_OP's name path fails, then skip + * past this opcode and keep parsing. This is a much better + * alternative than to abort the entire disassembler. At this + * point, the ParserState is at the end of the namepath of the + * external declaration opcode. Setting WalkState->Aml to + * WalkState->ParserState.Aml + 2 moves increments the + * WalkState->Aml past the object type and the paramcount of the + * external opcode. + */ + WalkState->Aml = WalkState->ParserState.Aml + 2; + WalkState->ParserState.Aml = WalkState->Aml; + return_ACPI_STATUS (AE_CTRL_PARSE_CONTINUE); + } +#endif if (ACPI_FAILURE (Status)) { return_ACPI_STATUS (Status); @@ -373,7 +553,13 @@ AcpiPsCreateOp ( Op->Common.Flags |= ACPI_PARSEOP_TARGET; } } - else if (ParentScope->Common.AmlOpcode == AML_INCREMENT_OP) + + /* + * Special case for both Increment() and Decrement(), where + * the lone argument is both a source and a target. + */ + else if ((ParentScope->Common.AmlOpcode == AML_INCREMENT_OP) || + (ParentScope->Common.AmlOpcode == AML_DECREMENT_OP)) { Op->Common.Flags |= ACPI_PARSEOP_TARGET; } @@ -537,6 +723,20 @@ AcpiPsCompleteOp ( { if (*Op) { + /* + * These Opcodes need to be removed from the namespace because they + * get created even if these opcodes cannot be created due to + * errors. + */ + if (((*Op)->Common.AmlOpcode == AML_REGION_OP) || + ((*Op)->Common.AmlOpcode == AML_DATA_REGION_OP)) + { + AcpiNsDeleteChildren ((*Op)->Common.Node); + AcpiNsRemoveNode ((*Op)->Common.Node); + (*Op)->Common.Node = NULL; + AcpiPsDeleteParseTree (*Op); + } + Status2 = AcpiPsCompleteThisOp (WalkState, *Op); if (ACPI_FAILURE (Status2)) { @@ -562,6 +762,20 @@ AcpiPsCompleteOp ( #endif WalkState->PrevOp = NULL; WalkState->PrevArgTypes = WalkState->ArgTypes; + + if (WalkState->ParseFlags & ACPI_PARSE_MODULE_LEVEL) + { + /* + * There was something that went wrong while executing code at the + * module-level. We need to skip parsing whatever caused the + * error and keep going. One runtime error during the table load + * should not cause the entire table to not be loaded. This is + * because there could be correct AML beyond the parts that caused + * the runtime error. + */ + ACPI_ERROR ((AE_INFO, "Ignore error and continue table load")); + return_ACPI_STATUS (AE_OK); + } return_ACPI_STATUS (Status); } |