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  1. /******************************************************************************
  2.  *
  3.  * Module Name: exdebug - Support for stores to the AML Debug Object
  4.  *
  5.  *****************************************************************************/
  6.  
  7. /******************************************************************************
  8.  *
  9.  * 1. Copyright Notice
  10.  *
  11.  * Some or all of this work - Copyright (c) 1999 - 2011, Intel Corp.
  12.  * All rights reserved.
  13.  *
  14.  * 2. License
  15.  *
  16.  * 2.1. This is your license from Intel Corp. under its intellectual property
  17.  * rights.  You may have additional license terms from the party that provided
  18.  * you this software, covering your right to use that party's intellectual
  19.  * property rights.
  20.  *
  21.  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
  22.  * copy of the source code appearing in this file ("Covered Code") an
  23.  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
  24.  * base code distributed originally by Intel ("Original Intel Code") to copy,
  25.  * make derivatives, distribute, use and display any portion of the Covered
  26.  * Code in any form, with the right to sublicense such rights; and
  27.  *
  28.  * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
  29.  * license (with the right to sublicense), under only those claims of Intel
  30.  * patents that are infringed by the Original Intel Code, to make, use, sell,
  31.  * offer to sell, and import the Covered Code and derivative works thereof
  32.  * solely to the minimum extent necessary to exercise the above copyright
  33.  * license, and in no event shall the patent license extend to any additions
  34.  * to or modifications of the Original Intel Code.  No other license or right
  35.  * is granted directly or by implication, estoppel or otherwise;
  36.  *
  37.  * The above copyright and patent license is granted only if the following
  38.  * conditions are met:
  39.  *
  40.  * 3. Conditions
  41.  *
  42.  * 3.1. Redistribution of Source with Rights to Further Distribute Source.
  43.  * Redistribution of source code of any substantial portion of the Covered
  44.  * Code or modification with rights to further distribute source must include
  45.  * the above Copyright Notice, the above License, this list of Conditions,
  46.  * and the following Disclaimer and Export Compliance provision.  In addition,
  47.  * Licensee must cause all Covered Code to which Licensee contributes to
  48.  * contain a file documenting the changes Licensee made to create that Covered
  49.  * Code and the date of any change.  Licensee must include in that file the
  50.  * documentation of any changes made by any predecessor Licensee.  Licensee
  51.  * must include a prominent statement that the modification is derived,
  52.  * directly or indirectly, from Original Intel Code.
  53.  *
  54.  * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
  55.  * Redistribution of source code of any substantial portion of the Covered
  56.  * Code or modification without rights to further distribute source must
  57.  * include the following Disclaimer and Export Compliance provision in the
  58.  * documentation and/or other materials provided with distribution.  In
  59.  * addition, Licensee may not authorize further sublicense of source of any
  60.  * portion of the Covered Code, and must include terms to the effect that the
  61.  * license from Licensee to its licensee is limited to the intellectual
  62.  * property embodied in the software Licensee provides to its licensee, and
  63.  * not to intellectual property embodied in modifications its licensee may
  64.  * make.
  65.  *
  66.  * 3.3. Redistribution of Executable. Redistribution in executable form of any
  67.  * substantial portion of the Covered Code or modification must reproduce the
  68.  * above Copyright Notice, and the following Disclaimer and Export Compliance
  69.  * provision in the documentation and/or other materials provided with the
  70.  * distribution.
  71.  *
  72.  * 3.4. Intel retains all right, title, and interest in and to the Original
  73.  * Intel Code.
  74.  *
  75.  * 3.5. Neither the name Intel nor any other trademark owned or controlled by
  76.  * Intel shall be used in advertising or otherwise to promote the sale, use or
  77.  * other dealings in products derived from or relating to the Covered Code
  78.  * without prior written authorization from Intel.
  79.  *
  80.  * 4. Disclaimer and Export Compliance
  81.  *
  82.  * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
  83.  * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
  84.  * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
  85.  * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
  86.  * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
  87.  * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
  88.  * PARTICULAR PURPOSE.
  89.  *
  90.  * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
  91.  * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
  92.  * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
  93.  * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
  94.  * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
  95.  * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
  96.  * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
  97.  * LIMITED REMEDY.
  98.  *
  99.  * 4.3. Licensee shall not export, either directly or indirectly, any of this
  100.  * software or system incorporating such software without first obtaining any
  101.  * required license or other approval from the U. S. Department of Commerce or
  102.  * any other agency or department of the United States Government.  In the
  103.  * event Licensee exports any such software from the United States or
  104.  * re-exports any such software from a foreign destination, Licensee shall
  105.  * ensure that the distribution and export/re-export of the software is in
  106.  * compliance with all laws, regulations, orders, or other restrictions of the
  107.  * U.S. Export Administration Regulations. Licensee agrees that neither it nor
  108.  * any of its subsidiaries will export/re-export any technical data, process,
  109.  * software, or service, directly or indirectly, to any country for which the
  110.  * United States government or any agency thereof requires an export license,
  111.  * other governmental approval, or letter of assurance, without first obtaining
  112.  * such license, approval or letter.
  113.  *
  114.  *****************************************************************************/
  115.  
  116. #define __EXDEBUG_C__
  117.  
  118. #include "acpi.h"
  119. #include "accommon.h"
  120. #include "acinterp.h"
  121.  
  122.  
  123. #define _COMPONENT          ACPI_EXECUTER
  124.         ACPI_MODULE_NAME    ("exdebug")
  125.  
  126.  
  127. #ifndef ACPI_NO_ERROR_MESSAGES
  128. /*******************************************************************************
  129.  *
  130.  * FUNCTION:    AcpiExDoDebugObject
  131.  *
  132.  * PARAMETERS:  SourceDesc          - Object to be output to "Debug Object"
  133.  *              Level               - Indentation level (used for packages)
  134.  *              Index               - Current package element, zero if not pkg
  135.  *
  136.  * RETURN:      None
  137.  *
  138.  * DESCRIPTION: Handles stores to the AML Debug Object. For example:
  139.  *              Store(INT1, Debug)
  140.  *
  141.  * This function is not compiled if ACPI_NO_ERROR_MESSAGES is set.
  142.  *
  143.  * This function is only enabled if AcpiGbl_EnableAmlDebugObject is set, or
  144.  * if ACPI_LV_DEBUG_OBJECT is set in the AcpiDbgLevel. Thus, in the normal
  145.  * operational case, stores to the debug object are ignored but can be easily
  146.  * enabled if necessary.
  147.  *
  148.  ******************************************************************************/
  149.  
  150. void
  151. AcpiExDoDebugObject (
  152.     ACPI_OPERAND_OBJECT     *SourceDesc,
  153.     UINT32                  Level,
  154.     UINT32                  Index)
  155. {
  156.     UINT32                  i;
  157.  
  158.  
  159.     ACPI_FUNCTION_TRACE_PTR (ExDoDebugObject, SourceDesc);
  160.  
  161.  
  162.     /* Output must be enabled via the DebugObject global or the DbgLevel */
  163.  
  164.     if (!AcpiGbl_EnableAmlDebugObject &&
  165.         !(AcpiDbgLevel & ACPI_LV_DEBUG_OBJECT))
  166.     {
  167.         return_VOID;
  168.     }
  169.  
  170.     /*
  171.      * Print line header as long as we are not in the middle of an
  172.      * object display
  173.      */
  174.     if (!((Level > 0) && Index == 0))
  175.     {
  176.         AcpiOsPrintf ("[ACPI Debug] %*s", Level, " ");
  177.     }
  178.  
  179.     /* Display the index for package output only */
  180.  
  181.     if (Index > 0)
  182.     {
  183.        AcpiOsPrintf ("(%.2u) ", Index-1);
  184.     }
  185.  
  186.     if (!SourceDesc)
  187.     {
  188.         AcpiOsPrintf ("[Null Object]\n");
  189.         return_VOID;
  190.     }
  191.  
  192.     if (ACPI_GET_DESCRIPTOR_TYPE (SourceDesc) == ACPI_DESC_TYPE_OPERAND)
  193.     {
  194.         AcpiOsPrintf ("%s ", AcpiUtGetObjectTypeName (SourceDesc));
  195.  
  196.         if (!AcpiUtValidInternalObject (SourceDesc))
  197.         {
  198.            AcpiOsPrintf ("%p, Invalid Internal Object!\n", SourceDesc);
  199.            return_VOID;
  200.         }
  201.     }
  202.     else if (ACPI_GET_DESCRIPTOR_TYPE (SourceDesc) == ACPI_DESC_TYPE_NAMED)
  203.     {
  204.         AcpiOsPrintf ("%s: %p\n",
  205.             AcpiUtGetTypeName (((ACPI_NAMESPACE_NODE *) SourceDesc)->Type),
  206.             SourceDesc);
  207.         return_VOID;
  208.     }
  209.     else
  210.     {
  211.         return_VOID;
  212.     }
  213.  
  214.     /* SourceDesc is of type ACPI_DESC_TYPE_OPERAND */
  215.  
  216.     switch (SourceDesc->Common.Type)
  217.     {
  218.     case ACPI_TYPE_INTEGER:
  219.  
  220.         /* Output correct integer width */
  221.  
  222.         if (AcpiGbl_IntegerByteWidth == 4)
  223.         {
  224.             AcpiOsPrintf ("0x%8.8X\n",
  225.                 (UINT32) SourceDesc->Integer.Value);
  226.         }
  227.         else
  228.         {
  229.             AcpiOsPrintf ("0x%8.8X%8.8X\n",
  230.                 ACPI_FORMAT_UINT64 (SourceDesc->Integer.Value));
  231.         }
  232.         break;
  233.  
  234.     case ACPI_TYPE_BUFFER:
  235.  
  236.         AcpiOsPrintf ("[0x%.2X]\n", (UINT32) SourceDesc->Buffer.Length);
  237.         AcpiUtDumpBuffer2 (SourceDesc->Buffer.Pointer,
  238.             (SourceDesc->Buffer.Length < 256) ?
  239.                 SourceDesc->Buffer.Length : 256, DB_BYTE_DISPLAY);
  240.         break;
  241.  
  242.     case ACPI_TYPE_STRING:
  243.  
  244.         AcpiOsPrintf ("[0x%.2X] \"%s\"\n",
  245.             SourceDesc->String.Length, SourceDesc->String.Pointer);
  246.         break;
  247.  
  248.     case ACPI_TYPE_PACKAGE:
  249.  
  250.         AcpiOsPrintf ("[Contains 0x%.2X Elements]\n",
  251.             SourceDesc->Package.Count);
  252.  
  253.         /* Output the entire contents of the package */
  254.  
  255.         for (i = 0; i < SourceDesc->Package.Count; i++)
  256.         {
  257.             AcpiExDoDebugObject (SourceDesc->Package.Elements[i],
  258.                 Level+4, i+1);
  259.         }
  260.         break;
  261.  
  262.     case ACPI_TYPE_LOCAL_REFERENCE:
  263.  
  264.         AcpiOsPrintf ("[%s] ", AcpiUtGetReferenceName (SourceDesc));
  265.  
  266.         /* Decode the reference */
  267.  
  268.         switch (SourceDesc->Reference.Class)
  269.         {
  270.         case ACPI_REFCLASS_INDEX:
  271.  
  272.             AcpiOsPrintf ("0x%X\n", SourceDesc->Reference.Value);
  273.             break;
  274.  
  275.         case ACPI_REFCLASS_TABLE:
  276.  
  277.             /* Case for DdbHandle */
  278.  
  279.             AcpiOsPrintf ("Table Index 0x%X\n", SourceDesc->Reference.Value);
  280.             return;
  281.  
  282.         default:
  283.             break;
  284.         }
  285.  
  286.         AcpiOsPrintf ("  ");
  287.  
  288.         /* Check for valid node first, then valid object */
  289.  
  290.         if (SourceDesc->Reference.Node)
  291.         {
  292.             if (ACPI_GET_DESCRIPTOR_TYPE (SourceDesc->Reference.Node) !=
  293.                     ACPI_DESC_TYPE_NAMED)
  294.             {
  295.                 AcpiOsPrintf (" %p - Not a valid namespace node\n",
  296.                     SourceDesc->Reference.Node);
  297.             }
  298.             else
  299.             {
  300.                 AcpiOsPrintf ("Node %p [%4.4s] ", SourceDesc->Reference.Node,
  301.                     (SourceDesc->Reference.Node)->Name.Ascii);
  302.  
  303.                 switch ((SourceDesc->Reference.Node)->Type)
  304.                 {
  305.                 /* These types have no attached object */
  306.  
  307.                 case ACPI_TYPE_DEVICE:
  308.                     AcpiOsPrintf ("Device\n");
  309.                     break;
  310.  
  311.                 case ACPI_TYPE_THERMAL:
  312.                     AcpiOsPrintf ("Thermal Zone\n");
  313.                     break;
  314.  
  315.                 default:
  316.                     AcpiExDoDebugObject ((SourceDesc->Reference.Node)->Object,
  317.                         Level+4, 0);
  318.                     break;
  319.                 }
  320.             }
  321.         }
  322.         else if (SourceDesc->Reference.Object)
  323.         {
  324.             if (ACPI_GET_DESCRIPTOR_TYPE (SourceDesc->Reference.Object) ==
  325.                     ACPI_DESC_TYPE_NAMED)
  326.             {
  327.                 AcpiExDoDebugObject (((ACPI_NAMESPACE_NODE *)
  328.                     SourceDesc->Reference.Object)->Object,
  329.                     Level+4, 0);
  330.             }
  331.             else
  332.             {
  333.                 AcpiExDoDebugObject (SourceDesc->Reference.Object,
  334.                     Level+4, 0);
  335.             }
  336.         }
  337.         break;
  338.  
  339.     default:
  340.  
  341.         AcpiOsPrintf ("%p\n", SourceDesc);
  342.         break;
  343.     }
  344.  
  345.     ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC, "\n"));
  346.     return_VOID;
  347. }
  348. #endif
  349.  
  350.  
  351.