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  1. /******************************************************************************
  2.  *
  3.  * Module Name: utdebug - Debug print routines
  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 __UTDEBUG_C__
  117.  
  118. #include "acpi.h"
  119. #include "accommon.h"
  120.  
  121. #define _COMPONENT          ACPI_UTILITIES
  122.         ACPI_MODULE_NAME    ("utdebug")
  123.  
  124.  
  125. #ifdef ACPI_DEBUG_OUTPUT
  126.  
  127. static ACPI_THREAD_ID       AcpiGbl_PrevThreadId = (ACPI_THREAD_ID) 0xFFFFFFFF;
  128. static char                 *AcpiGbl_FnEntryStr = "----Entry";
  129. static char                 *AcpiGbl_FnExitStr  = "----Exit-";
  130.  
  131. /* Local prototypes */
  132.  
  133. static const char *
  134. AcpiUtTrimFunctionName (
  135.     const char              *FunctionName);
  136.  
  137.  
  138. /*******************************************************************************
  139.  *
  140.  * FUNCTION:    AcpiUtInitStackPtrTrace
  141.  *
  142.  * PARAMETERS:  None
  143.  *
  144.  * RETURN:      None
  145.  *
  146.  * DESCRIPTION: Save the current CPU stack pointer at subsystem startup
  147.  *
  148.  ******************************************************************************/
  149.  
  150. void
  151. AcpiUtInitStackPtrTrace (
  152.     void)
  153. {
  154.     ACPI_SIZE               CurrentSp;
  155.  
  156.  
  157.     AcpiGbl_EntryStackPointer = &CurrentSp;
  158. }
  159.  
  160.  
  161. /*******************************************************************************
  162.  *
  163.  * FUNCTION:    AcpiUtTrackStackPtr
  164.  *
  165.  * PARAMETERS:  None
  166.  *
  167.  * RETURN:      None
  168.  *
  169.  * DESCRIPTION: Save the current CPU stack pointer
  170.  *
  171.  ******************************************************************************/
  172.  
  173. void
  174. AcpiUtTrackStackPtr (
  175.     void)
  176. {
  177.     ACPI_SIZE               CurrentSp;
  178.  
  179.  
  180.     if (&CurrentSp < AcpiGbl_LowestStackPointer)
  181.     {
  182.         AcpiGbl_LowestStackPointer = &CurrentSp;
  183.     }
  184.  
  185.     if (AcpiGbl_NestingLevel > AcpiGbl_DeepestNesting)
  186.     {
  187.         AcpiGbl_DeepestNesting = AcpiGbl_NestingLevel;
  188.     }
  189. }
  190.  
  191.  
  192. /*******************************************************************************
  193.  *
  194.  * FUNCTION:    AcpiUtTrimFunctionName
  195.  *
  196.  * PARAMETERS:  FunctionName        - Ascii string containing a procedure name
  197.  *
  198.  * RETURN:      Updated pointer to the function name
  199.  *
  200.  * DESCRIPTION: Remove the "Acpi" prefix from the function name, if present.
  201.  *              This allows compiler macros such as __FUNCTION__ to be used
  202.  *              with no change to the debug output.
  203.  *
  204.  ******************************************************************************/
  205.  
  206. static const char *
  207. AcpiUtTrimFunctionName (
  208.     const char              *FunctionName)
  209. {
  210.  
  211.     /* All Function names are longer than 4 chars, check is safe */
  212.  
  213.     if (*(ACPI_CAST_PTR (UINT32, FunctionName)) == ACPI_PREFIX_MIXED)
  214.     {
  215.         /* This is the case where the original source has not been modified */
  216.  
  217.         return (FunctionName + 4);
  218.     }
  219.  
  220.     if (*(ACPI_CAST_PTR (UINT32, FunctionName)) == ACPI_PREFIX_LOWER)
  221.     {
  222.         /* This is the case where the source has been 'linuxized' */
  223.  
  224.         return (FunctionName + 5);
  225.     }
  226.  
  227.     return (FunctionName);
  228. }
  229.  
  230.  
  231. /*******************************************************************************
  232.  *
  233.  * FUNCTION:    AcpiDebugPrint
  234.  *
  235.  * PARAMETERS:  RequestedDebugLevel - Requested debug print level
  236.  *              LineNumber          - Caller's line number (for error output)
  237.  *              FunctionName        - Caller's procedure name
  238.  *              ModuleName          - Caller's module name
  239.  *              ComponentId         - Caller's component ID
  240.  *              Format              - Printf format field
  241.  *              ...                 - Optional printf arguments
  242.  *
  243.  * RETURN:      None
  244.  *
  245.  * DESCRIPTION: Print error message with prefix consisting of the module name,
  246.  *              line number, and component ID.
  247.  *
  248.  ******************************************************************************/
  249.  
  250. void  ACPI_INTERNAL_VAR_XFACE
  251. AcpiDebugPrint (
  252.     UINT32                  RequestedDebugLevel,
  253.     UINT32                  LineNumber,
  254.     const char              *FunctionName,
  255.     const char              *ModuleName,
  256.     UINT32                  ComponentId,
  257.     const char              *Format,
  258.     ...)
  259. {
  260.     ACPI_THREAD_ID          ThreadId;
  261.     va_list                 args;
  262.  
  263.  
  264.     /*
  265.      * Stay silent if the debug level or component ID is disabled
  266.      */
  267.     if (!(RequestedDebugLevel & AcpiDbgLevel) ||
  268.         !(ComponentId & AcpiDbgLayer))
  269.     {
  270.         return;
  271.     }
  272.  
  273.     /*
  274.      * Thread tracking and context switch notification
  275.      */
  276.     ThreadId = AcpiOsGetThreadId ();
  277.     if (ThreadId != AcpiGbl_PrevThreadId)
  278.     {
  279.         if (ACPI_LV_THREADS & AcpiDbgLevel)
  280.         {
  281.             AcpiOsPrintf (
  282.                 "\n**** Context Switch from TID %p to TID %p ****\n\n",
  283.                 ACPI_CAST_PTR (void, AcpiGbl_PrevThreadId),
  284.                 ACPI_CAST_PTR (void, ThreadId));
  285.         }
  286.  
  287.         AcpiGbl_PrevThreadId = ThreadId;
  288.     }
  289.  
  290.     /*
  291.      * Display the module name, current line number, thread ID (if requested),
  292.      * current procedure nesting level, and the current procedure name
  293.      */
  294.     AcpiOsPrintf ("%8s-%04ld ", ModuleName, LineNumber);
  295.  
  296.     if (ACPI_LV_THREADS & AcpiDbgLevel)
  297.     {
  298.         AcpiOsPrintf ("[%p] ", ACPI_CAST_PTR (void, ThreadId));
  299.     }
  300.  
  301.     AcpiOsPrintf ("[%02ld] %-22.22s: ",
  302.         AcpiGbl_NestingLevel, AcpiUtTrimFunctionName (FunctionName));
  303.  
  304.     va_start (args, Format);
  305.     AcpiOsVprintf (Format, args);
  306.     va_end (args);
  307. }
  308.  
  309. ACPI_EXPORT_SYMBOL (AcpiDebugPrint)
  310.  
  311.  
  312. /*******************************************************************************
  313.  *
  314.  * FUNCTION:    AcpiDebugPrintRaw
  315.  *
  316.  * PARAMETERS:  RequestedDebugLevel - Requested debug print level
  317.  *              LineNumber          - Caller's line number
  318.  *              FunctionName        - Caller's procedure name
  319.  *              ModuleName          - Caller's module name
  320.  *              ComponentId         - Caller's component ID
  321.  *              Format              - Printf format field
  322.  *              ...                 - Optional printf arguments
  323.  *
  324.  * RETURN:      None
  325.  *
  326.  * DESCRIPTION: Print message with no headers.  Has same interface as
  327.  *              DebugPrint so that the same macros can be used.
  328.  *
  329.  ******************************************************************************/
  330.  
  331. void  ACPI_INTERNAL_VAR_XFACE
  332. AcpiDebugPrintRaw (
  333.     UINT32                  RequestedDebugLevel,
  334.     UINT32                  LineNumber,
  335.     const char              *FunctionName,
  336.     const char              *ModuleName,
  337.     UINT32                  ComponentId,
  338.     const char              *Format,
  339.     ...)
  340. {
  341.     va_list                 args;
  342.  
  343.  
  344.     if (!(RequestedDebugLevel & AcpiDbgLevel) ||
  345.         !(ComponentId & AcpiDbgLayer))
  346.     {
  347.         return;
  348.     }
  349.  
  350.     va_start (args, Format);
  351.     AcpiOsVprintf (Format, args);
  352.     va_end (args);
  353. }
  354.  
  355. ACPI_EXPORT_SYMBOL (AcpiDebugPrintRaw)
  356.  
  357.  
  358. /*******************************************************************************
  359.  *
  360.  * FUNCTION:    AcpiUtTrace
  361.  *
  362.  * PARAMETERS:  LineNumber          - Caller's line number
  363.  *              FunctionName        - Caller's procedure name
  364.  *              ModuleName          - Caller's module name
  365.  *              ComponentId         - Caller's component ID
  366.  *
  367.  * RETURN:      None
  368.  *
  369.  * DESCRIPTION: Function entry trace.  Prints only if TRACE_FUNCTIONS bit is
  370.  *              set in DebugLevel
  371.  *
  372.  ******************************************************************************/
  373.  
  374. void
  375. AcpiUtTrace (
  376.     UINT32                  LineNumber,
  377.     const char              *FunctionName,
  378.     const char              *ModuleName,
  379.     UINT32                  ComponentId)
  380. {
  381.  
  382.     AcpiGbl_NestingLevel++;
  383.     AcpiUtTrackStackPtr ();
  384.  
  385.     AcpiDebugPrint (ACPI_LV_FUNCTIONS,
  386.         LineNumber, FunctionName, ModuleName, ComponentId,
  387.         "%s\n", AcpiGbl_FnEntryStr);
  388. }
  389.  
  390. ACPI_EXPORT_SYMBOL (AcpiUtTrace)
  391.  
  392.  
  393. /*******************************************************************************
  394.  *
  395.  * FUNCTION:    AcpiUtTracePtr
  396.  *
  397.  * PARAMETERS:  LineNumber          - Caller's line number
  398.  *              FunctionName        - Caller's procedure name
  399.  *              ModuleName          - Caller's module name
  400.  *              ComponentId         - Caller's component ID
  401.  *              Pointer             - Pointer to display
  402.  *
  403.  * RETURN:      None
  404.  *
  405.  * DESCRIPTION: Function entry trace.  Prints only if TRACE_FUNCTIONS bit is
  406.  *              set in DebugLevel
  407.  *
  408.  ******************************************************************************/
  409.  
  410. void
  411. AcpiUtTracePtr (
  412.     UINT32                  LineNumber,
  413.     const char              *FunctionName,
  414.     const char              *ModuleName,
  415.     UINT32                  ComponentId,
  416.     void                    *Pointer)
  417. {
  418.     AcpiGbl_NestingLevel++;
  419.     AcpiUtTrackStackPtr ();
  420.  
  421.     AcpiDebugPrint (ACPI_LV_FUNCTIONS,
  422.         LineNumber, FunctionName, ModuleName, ComponentId,
  423.         "%s %p\n", AcpiGbl_FnEntryStr, Pointer);
  424. }
  425.  
  426.  
  427. /*******************************************************************************
  428.  *
  429.  * FUNCTION:    AcpiUtTraceStr
  430.  *
  431.  * PARAMETERS:  LineNumber          - Caller's line number
  432.  *              FunctionName        - Caller's procedure name
  433.  *              ModuleName          - Caller's module name
  434.  *              ComponentId         - Caller's component ID
  435.  *              String              - Additional string to display
  436.  *
  437.  * RETURN:      None
  438.  *
  439.  * DESCRIPTION: Function entry trace.  Prints only if TRACE_FUNCTIONS bit is
  440.  *              set in DebugLevel
  441.  *
  442.  ******************************************************************************/
  443.  
  444. void
  445. AcpiUtTraceStr (
  446.     UINT32                  LineNumber,
  447.     const char              *FunctionName,
  448.     const char              *ModuleName,
  449.     UINT32                  ComponentId,
  450.     char                    *String)
  451. {
  452.  
  453.     AcpiGbl_NestingLevel++;
  454.     AcpiUtTrackStackPtr ();
  455.  
  456.     AcpiDebugPrint (ACPI_LV_FUNCTIONS,
  457.         LineNumber, FunctionName, ModuleName, ComponentId,
  458.         "%s %s\n", AcpiGbl_FnEntryStr, String);
  459. }
  460.  
  461.  
  462. /*******************************************************************************
  463.  *
  464.  * FUNCTION:    AcpiUtTraceU32
  465.  *
  466.  * PARAMETERS:  LineNumber          - Caller's line number
  467.  *              FunctionName        - Caller's procedure name
  468.  *              ModuleName          - Caller's module name
  469.  *              ComponentId         - Caller's component ID
  470.  *              Integer             - Integer to display
  471.  *
  472.  * RETURN:      None
  473.  *
  474.  * DESCRIPTION: Function entry trace.  Prints only if TRACE_FUNCTIONS bit is
  475.  *              set in DebugLevel
  476.  *
  477.  ******************************************************************************/
  478.  
  479. void
  480. AcpiUtTraceU32 (
  481.     UINT32                  LineNumber,
  482.     const char              *FunctionName,
  483.     const char              *ModuleName,
  484.     UINT32                  ComponentId,
  485.     UINT32                  Integer)
  486. {
  487.  
  488.     AcpiGbl_NestingLevel++;
  489.     AcpiUtTrackStackPtr ();
  490.  
  491.     AcpiDebugPrint (ACPI_LV_FUNCTIONS,
  492.         LineNumber, FunctionName, ModuleName, ComponentId,
  493.         "%s %08X\n", AcpiGbl_FnEntryStr, Integer);
  494. }
  495.  
  496.  
  497. /*******************************************************************************
  498.  *
  499.  * FUNCTION:    AcpiUtExit
  500.  *
  501.  * PARAMETERS:  LineNumber          - Caller's line number
  502.  *              FunctionName        - Caller's procedure name
  503.  *              ModuleName          - Caller's module name
  504.  *              ComponentId         - Caller's component ID
  505.  *
  506.  * RETURN:      None
  507.  *
  508.  * DESCRIPTION: Function exit trace.  Prints only if TRACE_FUNCTIONS bit is
  509.  *              set in DebugLevel
  510.  *
  511.  ******************************************************************************/
  512.  
  513. void
  514. AcpiUtExit (
  515.     UINT32                  LineNumber,
  516.     const char              *FunctionName,
  517.     const char              *ModuleName,
  518.     UINT32                  ComponentId)
  519. {
  520.  
  521.     AcpiDebugPrint (ACPI_LV_FUNCTIONS,
  522.         LineNumber, FunctionName, ModuleName, ComponentId,
  523.         "%s\n", AcpiGbl_FnExitStr);
  524.  
  525.     AcpiGbl_NestingLevel--;
  526. }
  527.  
  528. ACPI_EXPORT_SYMBOL (AcpiUtExit)
  529.  
  530.  
  531. /*******************************************************************************
  532.  *
  533.  * FUNCTION:    AcpiUtStatusExit
  534.  *
  535.  * PARAMETERS:  LineNumber          - Caller's line number
  536.  *              FunctionName        - Caller's procedure name
  537.  *              ModuleName          - Caller's module name
  538.  *              ComponentId         - Caller's component ID
  539.  *              Status              - Exit status code
  540.  *
  541.  * RETURN:      None
  542.  *
  543.  * DESCRIPTION: Function exit trace.  Prints only if TRACE_FUNCTIONS bit is
  544.  *              set in DebugLevel.  Prints exit status also.
  545.  *
  546.  ******************************************************************************/
  547.  
  548. void
  549. AcpiUtStatusExit (
  550.     UINT32                  LineNumber,
  551.     const char              *FunctionName,
  552.     const char              *ModuleName,
  553.     UINT32                  ComponentId,
  554.     ACPI_STATUS             Status)
  555. {
  556.  
  557.     if (ACPI_SUCCESS (Status))
  558.     {
  559.         AcpiDebugPrint (ACPI_LV_FUNCTIONS,
  560.             LineNumber, FunctionName, ModuleName, ComponentId,
  561.             "%s %s\n", AcpiGbl_FnExitStr,
  562.             AcpiFormatException (Status));
  563.     }
  564.     else
  565.     {
  566.         AcpiDebugPrint (ACPI_LV_FUNCTIONS,
  567.             LineNumber, FunctionName, ModuleName, ComponentId,
  568.             "%s ****Exception****: %s\n", AcpiGbl_FnExitStr,
  569.             AcpiFormatException (Status));
  570.     }
  571.  
  572.     AcpiGbl_NestingLevel--;
  573. }
  574.  
  575. ACPI_EXPORT_SYMBOL (AcpiUtStatusExit)
  576.  
  577.  
  578. /*******************************************************************************
  579.  *
  580.  * FUNCTION:    AcpiUtValueExit
  581.  *
  582.  * PARAMETERS:  LineNumber          - Caller's line number
  583.  *              FunctionName        - Caller's procedure name
  584.  *              ModuleName          - Caller's module name
  585.  *              ComponentId         - Caller's component ID
  586.  *              Value               - Value to be printed with exit msg
  587.  *
  588.  * RETURN:      None
  589.  *
  590.  * DESCRIPTION: Function exit trace.  Prints only if TRACE_FUNCTIONS bit is
  591.  *              set in DebugLevel.  Prints exit value also.
  592.  *
  593.  ******************************************************************************/
  594.  
  595. void
  596. AcpiUtValueExit (
  597.     UINT32                  LineNumber,
  598.     const char              *FunctionName,
  599.     const char              *ModuleName,
  600.     UINT32                  ComponentId,
  601.     UINT64                  Value)
  602. {
  603.  
  604.     AcpiDebugPrint (ACPI_LV_FUNCTIONS,
  605.         LineNumber, FunctionName, ModuleName, ComponentId,
  606.         "%s %8.8X%8.8X\n", AcpiGbl_FnExitStr,
  607.         ACPI_FORMAT_UINT64 (Value));
  608.  
  609.     AcpiGbl_NestingLevel--;
  610. }
  611.  
  612. ACPI_EXPORT_SYMBOL (AcpiUtValueExit)
  613.  
  614.  
  615. /*******************************************************************************
  616.  *
  617.  * FUNCTION:    AcpiUtPtrExit
  618.  *
  619.  * PARAMETERS:  LineNumber          - Caller's line number
  620.  *              FunctionName        - Caller's procedure name
  621.  *              ModuleName          - Caller's module name
  622.  *              ComponentId         - Caller's component ID
  623.  *              Ptr                 - Pointer to display
  624.  *
  625.  * RETURN:      None
  626.  *
  627.  * DESCRIPTION: Function exit trace.  Prints only if TRACE_FUNCTIONS bit is
  628.  *              set in DebugLevel.  Prints exit value also.
  629.  *
  630.  ******************************************************************************/
  631.  
  632. void
  633. AcpiUtPtrExit (
  634.     UINT32                  LineNumber,
  635.     const char              *FunctionName,
  636.     const char              *ModuleName,
  637.     UINT32                  ComponentId,
  638.     UINT8                   *Ptr)
  639. {
  640.  
  641.     AcpiDebugPrint (ACPI_LV_FUNCTIONS,
  642.         LineNumber, FunctionName, ModuleName, ComponentId,
  643.         "%s %p\n", AcpiGbl_FnExitStr, Ptr);
  644.  
  645.     AcpiGbl_NestingLevel--;
  646. }
  647.  
  648. #endif
  649.  
  650.  
  651. /*******************************************************************************
  652.  *
  653.  * FUNCTION:    AcpiUtDumpBuffer
  654.  *
  655.  * PARAMETERS:  Buffer              - Buffer to dump
  656.  *              Count               - Amount to dump, in bytes
  657.  *              Display             - BYTE, WORD, DWORD, or QWORD display
  658.  *              ComponentID         - Caller's component ID
  659.  *
  660.  * RETURN:      None
  661.  *
  662.  * DESCRIPTION: Generic dump buffer in both hex and ascii.
  663.  *
  664.  ******************************************************************************/
  665.  
  666. void
  667. AcpiUtDumpBuffer2 (
  668.     UINT8                   *Buffer,
  669.     UINT32                  Count,
  670.     UINT32                  Display)
  671. {
  672.     UINT32                  i = 0;
  673.     UINT32                  j;
  674.     UINT32                  Temp32;
  675.     UINT8                   BufChar;
  676.  
  677.  
  678.     if (!Buffer)
  679.     {
  680.         AcpiOsPrintf ("Null Buffer Pointer in DumpBuffer!\n");
  681.         return;
  682.     }
  683.  
  684.     if ((Count < 4) || (Count & 0x01))
  685.     {
  686.         Display = DB_BYTE_DISPLAY;
  687.     }
  688.  
  689.     /* Nasty little dump buffer routine! */
  690.  
  691.     while (i < Count)
  692.     {
  693.         /* Print current offset */
  694.  
  695.         AcpiOsPrintf ("%6.4X: ", i);
  696.  
  697.         /* Print 16 hex chars */
  698.  
  699.         for (j = 0; j < 16;)
  700.         {
  701.             if (i + j >= Count)
  702.             {
  703.                 /* Dump fill spaces */
  704.  
  705.                 AcpiOsPrintf ("%*s", ((Display * 2) + 1), " ");
  706.                 j += Display;
  707.                 continue;
  708.             }
  709.  
  710.             switch (Display)
  711.             {
  712.             case DB_BYTE_DISPLAY:
  713.             default:    /* Default is BYTE display */
  714.  
  715.                 AcpiOsPrintf ("%02X ", Buffer[(ACPI_SIZE) i + j]);
  716.                 break;
  717.  
  718.  
  719.             case DB_WORD_DISPLAY:
  720.  
  721.                 ACPI_MOVE_16_TO_32 (&Temp32, &Buffer[(ACPI_SIZE) i + j]);
  722.                 AcpiOsPrintf ("%04X ", Temp32);
  723.                 break;
  724.  
  725.  
  726.             case DB_DWORD_DISPLAY:
  727.  
  728.                 ACPI_MOVE_32_TO_32 (&Temp32, &Buffer[(ACPI_SIZE) i + j]);
  729.                 AcpiOsPrintf ("%08X ", Temp32);
  730.                 break;
  731.  
  732.  
  733.             case DB_QWORD_DISPLAY:
  734.  
  735.                 ACPI_MOVE_32_TO_32 (&Temp32, &Buffer[(ACPI_SIZE) i + j]);
  736.                 AcpiOsPrintf ("%08X", Temp32);
  737.  
  738.                 ACPI_MOVE_32_TO_32 (&Temp32, &Buffer[(ACPI_SIZE) i + j + 4]);
  739.                 AcpiOsPrintf ("%08X ", Temp32);
  740.                 break;
  741.             }
  742.  
  743.             j += Display;
  744.         }
  745.  
  746.         /*
  747.          * Print the ASCII equivalent characters but watch out for the bad
  748.          * unprintable ones (printable chars are 0x20 through 0x7E)
  749.          */
  750.         AcpiOsPrintf (" ");
  751.         for (j = 0; j < 16; j++)
  752.         {
  753.             if (i + j >= Count)
  754.             {
  755.                 AcpiOsPrintf ("\n");
  756.                 return;
  757.             }
  758.  
  759.             BufChar = Buffer[(ACPI_SIZE) i + j];
  760.             if (ACPI_IS_PRINT (BufChar))
  761.             {
  762.                 AcpiOsPrintf ("%c", BufChar);
  763.             }
  764.             else
  765.             {
  766.                 AcpiOsPrintf (".");
  767.             }
  768.         }
  769.  
  770.         /* Done with that line. */
  771.  
  772.         AcpiOsPrintf ("\n");
  773.         i += 16;
  774.     }
  775.  
  776.     return;
  777. }
  778.  
  779.  
  780. /*******************************************************************************
  781.  *
  782.  * FUNCTION:    AcpiUtDumpBuffer
  783.  *
  784.  * PARAMETERS:  Buffer              - Buffer to dump
  785.  *              Count               - Amount to dump, in bytes
  786.  *              Display             - BYTE, WORD, DWORD, or QWORD display
  787.  *              ComponentID         - Caller's component ID
  788.  *
  789.  * RETURN:      None
  790.  *
  791.  * DESCRIPTION: Generic dump buffer in both hex and ascii.
  792.  *
  793.  ******************************************************************************/
  794.  
  795. void
  796. AcpiUtDumpBuffer (
  797.     UINT8                   *Buffer,
  798.     UINT32                  Count,
  799.     UINT32                  Display,
  800.     UINT32                  ComponentId)
  801. {
  802.  
  803.     /* Only dump the buffer if tracing is enabled */
  804.  
  805.     if (!((ACPI_LV_TABLES & AcpiDbgLevel) &&
  806.         (ComponentId & AcpiDbgLayer)))
  807.     {
  808.         return;
  809.     }
  810.  
  811.     AcpiUtDumpBuffer2 (Buffer, Count, Display);
  812. }
  813.  
  814.  
  815.