/******************************************************************************* * * Module Name: dmnames - AML disassembler, names, namestrings, pathnames * ******************************************************************************/ /****************************************************************************** * * 1. Copyright Notice * * Some or all of this work - Copyright (c) 1999 - 2022, 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: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification. * 2. Redistributions in binary form must reproduce at minimum a disclaimer * substantially similar to the "NO WARRANTY" disclaimer below * ("Disclaimer") and any redistribution must be conditioned upon * including a substantially similar Disclaimer requirement for further * binary redistribution. * 3. Neither the names of the above-listed copyright holders nor the names * of any contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * 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 MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * 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 #include #include #include #include #define _COMPONENT ACPI_CA_DEBUGGER ACPI_MODULE_NAME ("dmnames") /* Local prototypes */ #ifdef ACPI_OBSOLETE_FUNCTIONS void AcpiDmDisplayPath ( ACPI_PARSE_OBJECT *Op); #endif /******************************************************************************* * * FUNCTION: AcpiDmDumpName * * PARAMETERS: Name - 4 character ACPI name * * RETURN: Final length of name * * DESCRIPTION: Dump an ACPI name, minus any trailing underscores. * ******************************************************************************/ UINT32 AcpiDmDumpName ( UINT32 Name) { UINT32 i; UINT32 Length; char NewName[4]; /* Copy name locally in case the original name is not writeable */ *ACPI_CAST_PTR (UINT32, &NewName[0]) = Name; /* Ensure that the name is printable, even if we have to fix it */ AcpiUtRepairName (NewName); /* Remove all trailing underscores from the name */ Length = ACPI_NAMESEG_SIZE; for (i = (ACPI_NAMESEG_SIZE - 1); i != 0; i--) { if (NewName[i] == '_') { Length--; } else { break; } } /* Dump the name, up to the start of the trailing underscores */ for (i = 0; i < Length; i++) { AcpiOsPrintf ("%c", NewName[i]); } return (Length); } /******************************************************************************* * * FUNCTION: AcpiPsDisplayObjectPathname * * PARAMETERS: WalkState - Current walk state * Op - Object whose pathname is to be obtained * * RETURN: Status * * DESCRIPTION: Display the pathname associated with a named object. Two * versions. One searches the parse tree (for parser-only * applications suchas AcpiDump), and the other searches the * ACPI namespace (the parse tree is probably deleted) * ******************************************************************************/ ACPI_STATUS AcpiPsDisplayObjectPathname ( ACPI_WALK_STATE *WalkState, ACPI_PARSE_OBJECT *Op) { ACPI_STATUS Status; ACPI_NAMESPACE_NODE *Node; ACPI_BUFFER Buffer; UINT32 DebugLevel; /* Save current debug level so we don't get extraneous debug output */ DebugLevel = AcpiDbgLevel; AcpiDbgLevel = 0; /* Just get the Node out of the Op object */ Node = Op->Common.Node; if (!Node) { /* Node not defined in this scope, look it up */ Status = AcpiNsLookup (WalkState->ScopeInfo, Op->Common.Value.String, ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT, WalkState, &(Node)); if (ACPI_FAILURE (Status)) { /* * We can't get the pathname since the object is not in the * namespace. This can happen during single stepping * where a dynamic named object is *about* to be created. */ AcpiOsPrintf (" [Path not found]"); goto Exit; } /* Save it for next time. */ Op->Common.Node = Node; } /* Convert NamedDesc/handle to a full pathname */ Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER; Status = AcpiNsHandleToPathname (Node, &Buffer, FALSE); if (ACPI_FAILURE (Status)) { AcpiOsPrintf ("****Could not get pathname****)"); goto Exit; } AcpiOsPrintf (" (Path %s)", (char *) Buffer.Pointer); ACPI_FREE (Buffer.Pointer); Exit: /* Restore the debug level */ AcpiDbgLevel = DebugLevel; return (Status); } /******************************************************************************* * * FUNCTION: AcpiDmNamestring * * PARAMETERS: Name - ACPI Name string to store * * RETURN: None * * DESCRIPTION: Decode and dump an ACPI namestring. Handles prefix characters * ******************************************************************************/ void AcpiDmNamestring ( char *Name) { UINT32 SegCount; if (!Name) { return; } /* Handle all Scope Prefix operators */ while (ACPI_IS_ROOT_PREFIX (ACPI_GET8 (Name)) || ACPI_IS_PARENT_PREFIX (ACPI_GET8 (Name))) { /* Append prefix character */ AcpiOsPrintf ("%1c", ACPI_GET8 (Name)); Name++; } switch (ACPI_GET8 (Name)) { case 0: SegCount = 0; break; case AML_DUAL_NAME_PREFIX: SegCount = 2; Name++; break; case AML_MULTI_NAME_PREFIX: SegCount = (UINT32) ACPI_GET8 (Name + 1); Name += 2; break; default: SegCount = 1; break; } while (SegCount) { /* Append Name segment */ AcpiDmDumpName (*ACPI_CAST_PTR (UINT32, Name)); SegCount--; if (SegCount) { /* Not last name, append dot separator */ AcpiOsPrintf ("."); } Name += ACPI_NAMESEG_SIZE; } } #ifdef ACPI_OBSOLETE_FUNCTIONS /******************************************************************************* * * FUNCTION: AcpiDmDisplayPath * * PARAMETERS: Op - Named Op whose path is to be constructed * * RETURN: None * * DESCRIPTION: Walk backwards from current scope and display the name * of each previous level of scope up to the root scope * (like "pwd" does with file systems) * ******************************************************************************/ void AcpiDmDisplayPath ( ACPI_PARSE_OBJECT *Op) { ACPI_PARSE_OBJECT *Prev; ACPI_PARSE_OBJECT *Search; UINT32 Name; BOOLEAN DoDot = FALSE; ACPI_PARSE_OBJECT *NamePath; const ACPI_OPCODE_INFO *OpInfo; /* We are only interested in named objects */ OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); if (!(OpInfo->Flags & AML_NSNODE)) { return; } if (OpInfo->Flags & AML_CREATE) { /* Field creation - check for a fully qualified namepath */ if (Op->Common.AmlOpcode == AML_CREATE_FIELD_OP) { NamePath = AcpiPsGetArg (Op, 3); } else { NamePath = AcpiPsGetArg (Op, 2); } if ((NamePath) && (NamePath->Common.Value.String) && (ACPI_IS_ROOT_PREFIX (NamePath->Common.Value.String[0]))) { AcpiDmNamestring (NamePath->Common.Value.String); return; } } Prev = NULL; /* Start with Root Node */ while (Prev != Op) { /* Search upwards in the tree to find scope with "prev" as its parent */ Search = Op; for (; ;) { if (Search->Common.Parent == Prev) { break; } /* Go up one level */ Search = Search->Common.Parent; } if (Prev) { OpInfo = AcpiPsGetOpcodeInfo (Search->Common.AmlOpcode); if (!(OpInfo->Flags & AML_FIELD)) { /* Below root scope, append scope name */ if (DoDot) { /* Append dot */ AcpiOsPrintf ("."); } if (OpInfo->Flags & AML_CREATE) { if (Op->Common.AmlOpcode == AML_CREATE_FIELD_OP) { NamePath = AcpiPsGetArg (Op, 3); } else { NamePath = AcpiPsGetArg (Op, 2); } if ((NamePath) && (NamePath->Common.Value.String)) { AcpiDmDumpName (NamePath->Common.Value.String); } } else { Name = AcpiPsGetName (Search); AcpiDmDumpName ((char *) &Name); } DoDot = TRUE; } } Prev = Search; } } /******************************************************************************* * * FUNCTION: AcpiDmValidateName * * PARAMETERS: Name - 4 character ACPI name * * RETURN: None * * DESCRIPTION: Lookup the name * ******************************************************************************/ void AcpiDmValidateName ( char *Name, ACPI_PARSE_OBJECT *Op) { ACPI_PARSE_OBJECT *TargetOp; if ((!Name) || (!Op->Common.Parent)) { return; } if (!Op->Common.Node) { AcpiOsPrintf ( " /**** Name not found or not accessible from this scope ****/ "); } if ((!Name) || (!Op->Common.Parent)) { return; } TargetOp = AcpiPsFind (Op, Name, 0, 0); if (!TargetOp) { /* * Didn't find the name in the parse tree. This may be * a problem, or it may simply be one of the predefined names * (such as _OS_). Rather than worry about looking up all * the predefined names, just display the name as given */ AcpiOsPrintf ( " /**** Name not found or not accessible from this scope ****/ "); } } #endif