nsdump.c

acpi tools for linux include acpiexec and acpixtract

/******************************************************************************
 *
 * Module Name: nsdump - table dumping routines for debug
 *              $Revision: 1.184 $
 *
 *****************************************************************************/

/******************************************************************************
 *
 * 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.
 *
 *****************************************************************************/

#define __NSDUMP_C__

#include "acpi.h"
#include "acnamesp.h"
#include "acparser.h"


#define _COMPONENT          ACPI_NAMESPACE
        ACPI_MODULE_NAME    ("nsdump")

/* Local prototypes */

#ifdef ACPI_OBSOLETE_FUNCTIONS
void
AcpiNsDumpRootDevices (
    void);

static ACPI_STATUS
AcpiNsDumpOneDevice (
    ACPI_HANDLE             ObjHandle,
    UINT32                  Level,
    void                    *Context,
    void                    **ReturnValue);
#endif


#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
/*******************************************************************************
 *
 * FUNCTION:    AcpiNsPrintPathname
 *
 * PARAMETERS:  NumSegments         - Number of ACPI name segments
 *              Pathname            - The compressed (internal) path
 *
 * RETURN:      None
 *
 * DESCRIPTION: Print an object's full namespace pathname
 *
 ******************************************************************************/

void
AcpiNsPrintPathname (
    UINT32                  NumSegments,
    char                    *Pathname)
{
    ACPI_NATIVE_UINT        i;


    ACPI_FUNCTION_NAME (NsPrintPathname);


    if (!(AcpiDbgLevel & ACPI_LV_NAMES) || !(AcpiDbgLayer & ACPI_NAMESPACE))
    {
        return;
    }

    /* Print the entire name */

    ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "["));

    while (NumSegments)
    {
        for (i = 0; i < 4; i++)
        {
            ACPI_IS_PRINT (Pathname[i]) ?
                AcpiOsPrintf ("%c", Pathname[i]) :
                AcpiOsPrintf ("?");
        }

        Pathname += ACPI_NAME_SIZE;
        NumSegments--;
        if (NumSegments)
        {
            AcpiOsPrintf (".");
        }
    }

    AcpiOsPrintf ("]\n");
}


/*******************************************************************************
 *
 * FUNCTION:    AcpiNsDumpPathname
 *
 * PARAMETERS:  Handle              - Object
 *              Msg                 - Prefix message
 *              Level               - Desired debug level
 *              Component           - Caller's component ID
 *
 * RETURN:      None
 *
 * DESCRIPTION: Print an object's full namespace pathname
 *              Manages allocation/freeing of a pathname buffer
 *
 ******************************************************************************/

void
AcpiNsDumpPathname (
    ACPI_HANDLE             Handle,
    char                    *Msg,
    UINT32                  Level,
    UINT32                  Component)
{

    ACPI_FUNCTION_TRACE (NsDumpPathname);


    /* Do this only if the requested debug level and component are enabled */

    if (!(AcpiDbgLevel & Level) || !(AcpiDbgLayer & Component))
    {
        return_VOID;
    }

    /* Convert handle to a full pathname and print it (with supplied message) */

    AcpiNsPrintNodePathname (Handle, Msg);
    AcpiOsPrintf ("\n");
    return_VOID;
}


/*******************************************************************************
 *
 * FUNCTION:    AcpiNsDumpOneObject
 *
 * PARAMETERS:  ObjHandle           - Node to be dumped
 *              Level               - Nesting level of the handle
 *              Context             - Passed into WalkNamespace
 *              ReturnValue         - Not used
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Dump a single Node
 *              This procedure is a UserFunction called by AcpiNsWalkNamespace.
 *
 ******************************************************************************/

ACPI_STATUS
AcpiNsDumpOneObject (
    ACPI_HANDLE             ObjHandle,
    UINT32                  Level,
    void                    *Context,
    void                    **ReturnValue)
{
    ACPI_WALK_INFO          *Info = (ACPI_WALK_INFO *) Context;
    ACPI_NAMESPACE_NODE     *ThisNode;
    ACPI_OPERAND_OBJECT     *ObjDesc = NULL;
    ACPI_OBJECT_TYPE        ObjType;
    ACPI_OBJECT_TYPE        Type;
    UINT32                  BytesToDump;
    UINT32                  DbgLevel;
    UINT32                  i;


    ACPI_FUNCTION_NAME (NsDumpOneObject);


    /* Is output enabled? */

    if (!(AcpiDbgLevel & Info->DebugLevel))
    {
        return (AE_OK);
    }

    if (!ObjHandle)
    {
        ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Null object handle\n"));
        return (AE_OK);
    }

    ThisNode = AcpiNsMapHandleToNode (ObjHandle);
    Type = ThisNode->Type;

    /* Check if the owner matches */

    if ((Info->OwnerId != ACPI_OWNER_ID_MAX) &&
        (Info->OwnerId != ThisNode->OwnerId))
    {
        return (AE_OK);
    }

    if (!(Info->DisplayType & ACPI_DISPLAY_SHORT))
    {
        /* Indent the object according to the level */

        AcpiOsPrintf ("%2d%*s", (UINT32) Level - 1, (int) Level * 2, " ");

        /* Check the node type and name */

        if (Type > ACPI_TYPE_LOCAL_MAX)
        {
            ACPI_WARNING ((AE_INFO, "Invalid ACPI Object Type %08X", Type));
        }

        if (!AcpiUtValidAcpiName (ThisNode->Name.Integer))
        {
            ThisNode->Name.Integer = AcpiUtRepairName (ThisNode->Name.Ascii);

            ACPI_WARNING ((AE_INFO, "Invalid ACPI Name %08X",
                ThisNode->Name.Integer));
        }

        AcpiOsPrintf ("%4.4s", AcpiUtGetNodeName (ThisNode));
    }

    /*
     * Now we can print out the pertinent information
     */
    AcpiOsPrintf (" %-12s %p %2.2X ",
            AcpiUtGetTypeName (Type), ThisNode, ThisNode->OwnerId);

    DbgLevel = AcpiDbgLevel;
    AcpiDbgLevel = 0;
    ObjDesc = AcpiNsGetAttachedObject (ThisNode);
    AcpiDbgLevel = DbgLevel;

    /* Temp nodes are those nodes created by a control method */

    if (ThisNode->Flags & ANOBJ_TEMPORARY)
    {
        AcpiOsPrintf ("(T) ");
    }

    switch (Info->DisplayType & ACPI_DISPLAY_MASK)
    {
    case ACPI_DISPLAY_SUMMARY:

        if (!ObjDesc)
        {
            /* No attached object, we are done */

            AcpiOsPrintf ("\n");
            return (AE_OK);
        }

        switch (Type)
        {
        case ACPI_TYPE_PROCESSOR:

            AcpiOsPrintf ("ID %X Len %.4X Addr %p\n",
                ObjDesc->Processor.ProcId, ObjDesc->Processor.Length,
                ACPI_CAST_PTR (void, ObjDesc->Processor.Address));
            break;


        case ACPI_TYPE_DEVICE:

            AcpiOsPrintf ("Notify Object: %p\n", ObjDesc);
            break;


        case ACPI_TYPE_METHOD:

            AcpiOsPrintf ("Args %X Len %.4X Aml %p\n",
                (UINT32) ObjDesc->Method.ParamCount,
                ObjDesc->Method.AmlLength, ObjDesc->Method.AmlStart);
            break;


        case ACPI_TYPE_INTEGER:

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


        case ACPI_TYPE_PACKAGE:

            if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID)
            {
                AcpiOsPrintf ("Elements %.2X\n",
                    ObjDesc->Package.Count);
            }
            else
            {
                AcpiOsPrintf ("[Length not yet evaluated]\n");
            }
            break;


        case ACPI_TYPE_BUFFER:

            if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID)
            {
                AcpiOsPrintf ("Len %.2X",
                            ObjDesc->Buffer.Length);

                /* Dump some of the buffer */

                if (ObjDesc->Buffer.Length > 0)
                {
                    AcpiOsPrintf (" =");
                    for (i = 0; (i < ObjDesc->Buffer.Length && i < 12); i++)
                    {
                        AcpiOsPrintf (" %.2hX", ObjDesc->Buffer.Pointer[i]);