drivers/acpi/executer/exdebug.c

   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 - 2010, 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