dbutils.c

acpi tools for linux include acpiexec and acpixtract

/*******************************************************************************
 *
 * Module Name: dbutils - AML debugger utilities
 *              $Revision: 1.86 $
 *
 ******************************************************************************/

/******************************************************************************
 *
 * 1. Copyright Notice
 *
 * Some or all of this work - Copyright (c) 1999 - 2008, 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.
 *
 *****************************************************************************/


#include "acpi.h"
#include "acnamesp.h"
#include "acdebug.h"
#include "acdisasm.h"


#ifdef ACPI_DEBUGGER

#define _COMPONENT          ACPI_CA_DEBUGGER
        ACPI_MODULE_NAME    ("dbutils")

/* Local prototypes */

#ifdef ACPI_OBSOLETE_FUNCTIONS
ACPI_STATUS
AcpiDbSecondPassParse (
    ACPI_PARSE_OBJECT       *Root);

void
AcpiDbDumpBuffer (
    UINT32                  Address);
#endif

static char                 *Converter = "0123456789ABCDEF";


/*******************************************************************************
 *
 * FUNCTION:    AcpiDbMatchArgument
 *
 * PARAMETERS:  UserArgument            - User command line
 *              Arguments               - Array of commands to match against
 *
 * RETURN:      Index into command array or ACPI_TYPE_NOT_FOUND if not found
 *
 * DESCRIPTION: Search command array for a command match
 *
 ******************************************************************************/

ACPI_OBJECT_TYPE
AcpiDbMatchArgument (
    char                    *UserArgument,
    ARGUMENT_INFO           *Arguments)
{
    UINT32                  i;


    if (!UserArgument || UserArgument[0] == 0)
    {
        return (ACPI_TYPE_NOT_FOUND);
    }

    for (i = 0; Arguments[i].Name; i++)
    {
        if (ACPI_STRSTR (Arguments[i].Name, UserArgument) == Arguments[i].Name)
        {
            return (i);
        }
    }

    /* Argument not recognized */

    return (ACPI_TYPE_NOT_FOUND);
}


/*******************************************************************************
 *
 * FUNCTION:    AcpiDbSetOutputDestination
 *
 * PARAMETERS:  OutputFlags         - Current flags word
 *
 * RETURN:      None
 *
 * DESCRIPTION: Set the current destination for debugger output.  Also sets
 *              the debug output level accordingly.
 *
 ******************************************************************************/

void
AcpiDbSetOutputDestination (
    UINT32                  OutputFlags)
{

    AcpiGbl_DbOutputFlags = (UINT8) OutputFlags;

    if ((OutputFlags & ACPI_DB_REDIRECTABLE_OUTPUT) && AcpiGbl_DbOutputToFile)
    {
        AcpiDbgLevel = AcpiGbl_DbDebugLevel;
    }
    else
    {
        AcpiDbgLevel = AcpiGbl_DbConsoleDebugLevel;
    }
}


/*******************************************************************************
 *
 * FUNCTION:    AcpiDbDumpExternalObject
 *
 * PARAMETERS:  ObjDesc         - External ACPI object to dump
 *              Level           - Nesting level.
 *
 * RETURN:      None
 *
 * DESCRIPTION: Dump the contents of an ACPI external object
 *
 ******************************************************************************/

void
AcpiDbDumpExternalObject (
    ACPI_OBJECT             *ObjDesc,
    UINT32                  Level)
{
    UINT32                  i;


    if (!ObjDesc)
    {
        AcpiOsPrintf ("[Null Object]\n");
        return;
    }

    for (i = 0; i < Level; i++)
    {
        AcpiOsPrintf ("  ");
    }

    switch (ObjDesc->Type)
    {
    case ACPI_TYPE_ANY:

        AcpiOsPrintf ("[Object Reference] = %p ", ObjDesc->Reference.Handle);
        AcpiDmDisplayInternalObject (ObjDesc->Reference.Handle, NULL);
        break;


    case ACPI_TYPE_INTEGER:

        AcpiOsPrintf ("[Integer] = %8.8X%8.8X\n",
                    ACPI_FORMAT_UINT64 (ObjDesc->Integer.Value));
        break;


    case ACPI_TYPE_STRING:

        AcpiOsPrintf ("[String] Length %.2X = ", ObjDesc->String.Length);
        for (i = 0; i < ObjDesc->String.Length; i++)
        {
            AcpiOsPrintf ("%c", ObjDesc->String.Pointer[i]);
        }
        AcpiOsPrintf ("\n");
        break;


    case ACPI_TYPE_BUFFER:

        AcpiOsPrintf ("[Buffer] Length %.2X = ", ObjDesc->Buffer.Length);
        if (ObjDesc->Buffer.Length)
        {
            AcpiUtDumpBuffer (ACPI_CAST_PTR (UINT8, ObjDesc->Buffer.Pointer),
                    ObjDesc->Buffer.Length, DB_DWORD_DISPLAY, _COMPONENT);
        }
        else
        {
            AcpiOsPrintf ("\n");
        }
        break;


    case ACPI_TYPE_PACKAGE:

        AcpiOsPrintf ("[Package] Contains %d Elements:\n",
                ObjDesc->Package.Count);

        for (i = 0; i < ObjDesc->Package.Count; i++)
        {
            AcpiDbDumpExternalObject (&ObjDesc->Package.Elements[i], Level+1);
        }
        break;