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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 - 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 __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 %u to TID %u ****\n\n",
  283.                 (UINT32) AcpiGbl_PrevThreadId, (UINT32) ThreadId);
  284.         }
  285.  
  286.         AcpiGbl_PrevThreadId = ThreadId;
  287.     }
  288.  
  289.     /*
  290.      * Display the module name, current line number, thread ID (if requested),
  291.      * current procedure nesting level, and the current procedure name
  292.      */
  293.     AcpiOsPrintf ("%8s-%04ld ", ModuleName, LineNumber);
  294.  
  295.     if (ACPI_LV_THREADS & AcpiDbgLevel)
  296.     {
  297.         AcpiOsPrintf ("[%u] ", (UINT32) ThreadId);
  298.     }
  299.  
  300.     AcpiOsPrintf ("[%02ld] %-22.22s: ",
  301.         AcpiGbl_NestingLevel, AcpiUtTrimFunctionName (FunctionName));
  302.  
  303.     va_start (args, Format);
  304.     AcpiOsVprintf (Format, args);
  305.     va_end (args);
  306. }
  307.  
  308. ACPI_EXPORT_SYMBOL (AcpiDebugPrint)
  309.  
  310.  
  311. /*******************************************************************************
  312.  *
  313.  * FUNCTION:    AcpiDebugPrintRaw
  314.  *
  315.  * PARAMETERS:  RequestedDebugLevel - Requested debug print level
  316.  *              LineNumber          - Caller's line number
  317.  *              FunctionName        - Caller's procedure name
  318.  *              ModuleName          - Caller's module name
  319.  *              ComponentId         - Caller's component ID
  320.  *              Format              - Printf format field
  321.  *              ...                 - Optional printf arguments
  322.  *
  323.  * RETURN:      None
  324.  *
  325.  * DESCRIPTION: Print message with no headers.  Has same interface as
  326.  *              DebugPrint so that the same macros can be used.
  327.  *
  328.  ******************************************************************************/
  329.  
  330. void  ACPI_INTERNAL_VAR_XFACE
  331. AcpiDebugPrintRaw (
  332.     UINT32                  RequestedDebugLevel,
  333.     UINT32                  LineNumber,
  334.     const char              *FunctionName,
  335.     const char              *ModuleName,
  336.     UINT32                  ComponentId,
  337.     const char              *Format,
  338.     ...)
  339. {
  340.     va_list                 args;
  341.  
  342.  
  343.     if (!(RequestedDebugLevel & AcpiDbgLevel) ||
  344.         !(ComponentId & AcpiDbgLayer))
  345.     {
  346.         return;
  347.     }
  348.  
  349.     va_start (args, Format);
  350.     AcpiOsVprintf (Format, args);
  351.     va_end (args);
  352. }
  353.  
  354. ACPI_EXPORT_SYMBOL (AcpiDebugPrintRaw)
  355.  
  356.  
  357. /*******************************************************************************
  358.  *
  359.  * FUNCTION:    AcpiUtTrace
  360.  *
  361.  * PARAMETERS:  LineNumber          - Caller's line number
  362.  *              FunctionName        - Caller's procedure name
  363.  *              ModuleName          - Caller's module name
  364.  *              ComponentId         - Caller's component ID
  365.  *
  366.  * RETURN:      None
  367.  *
  368.  * DESCRIPTION: Function entry trace.  Prints only if TRACE_FUNCTIONS bit is
  369.  *              set in DebugLevel
  370.  *
  371.  ******************************************************************************/
  372.  
  373. void
  374. AcpiUtTrace (
  375.     UINT32                  LineNumber,
  376.     const char              *FunctionName,
  377.     const char              *ModuleName,
  378.     UINT32                  ComponentId)
  379. {
  380.  
  381.     AcpiGbl_NestingLevel++;
  382.     AcpiUtTrackStackPtr ();
  383.  
  384.     AcpiDebugPrint (ACPI_LV_FUNCTIONS,
  385.         LineNumber, FunctionName, ModuleName, ComponentId,
  386.         "%s\n", AcpiGbl_FnEntryStr);
  387. }
  388.  
  389. ACPI_EXPORT_SYMBOL (AcpiUtTrace)
  390.  
  391.  
  392. /*******************************************************************************
  393.  *
  394.  * FUNCTION:    AcpiUtTracePtr
  395.  *
  396.  * PARAMETERS:  LineNumber          - Caller's line number
  397.  *              FunctionName        - Caller's procedure name
  398.  *              ModuleName          - Caller's module name
  399.  *              ComponentId         - Caller's component ID
  400.  *              Pointer             - Pointer to display
  401.  *
  402.  * RETURN:      None
  403.  *
  404.  * DESCRIPTION: Function entry trace.  Prints only if TRACE_FUNCTIONS bit is
  405.  *              set in DebugLevel
  406.  *
  407.  ******************************************************************************/
  408.  
  409. void
  410. AcpiUtTracePtr (
  411.     UINT32                  LineNumber,
  412.     const char              *FunctionName,
  413.     const char              *ModuleName,
  414.     UINT32                  ComponentId,
  415.     void                    *Pointer)
  416. {
  417.     AcpiGbl_NestingLevel++;
  418.     AcpiUtTrackStackPtr ();
  419.  
  420.     AcpiDebugPrint (ACPI_LV_FUNCTIONS,
  421.         LineNumber, FunctionName, ModuleName, ComponentId,
  422.         "%s %p\n", AcpiGbl_FnEntryStr, Pointer);
  423. }
  424.  
  425.  
  426. /*******************************************************************************
  427.  *
  428.  * FUNCTION:    AcpiUtTraceStr
  429.  *
  430.  * PARAMETERS:  LineNumber          - Caller's line number
  431.  *              FunctionName        - Caller's procedure name
  432.  *              ModuleName          - Caller's module name
  433.  *              ComponentId         - Caller's component ID
  434.  *              String              - Additional string to display
  435.  *
  436.  * RETURN:      None
  437.  *
  438.  * DESCRIPTION: Function entry trace.  Prints only if TRACE_FUNCTIONS bit is
  439.  *              set in DebugLevel
  440.  *
  441.  ******************************************************************************/
  442.  
  443. void
  444. AcpiUtTraceStr (
  445.     UINT32                  LineNumber,
  446.     const char              *FunctionName,
  447.     const char              *ModuleName,
  448.     UINT32                  ComponentId,
  449.     char                    *String)
  450. {
  451.  
  452.     AcpiGbl_NestingLevel++;
  453.     AcpiUtTrackStackPtr ();
  454.  
  455.     AcpiDebugPrint (ACPI_LV_FUNCTIONS,
  456.         LineNumber, FunctionName, ModuleName, ComponentId,
  457.         "%s %s\n", AcpiGbl_FnEntryStr, String);
  458. }
  459.  
  460.  
  461. /*******************************************************************************
  462.  *
  463.  * FUNCTION:    AcpiUtTraceU32
  464.  *
  465.  * PARAMETERS:  LineNumber          - Caller's line number
  466.  *              FunctionName        - Caller's procedure name
  467.  *              ModuleName          - Caller's module name
  468.  *              ComponentId         - Caller's component ID
  469.  *              Integer             - Integer to display
  470.  *
  471.  * RETURN:      None
  472.  *
  473.  * DESCRIPTION: Function entry trace.  Prints only if TRACE_FUNCTIONS bit is
  474.  *              set in DebugLevel
  475.  *
  476.  ******************************************************************************/
  477.  
  478. void
  479. AcpiUtTraceU32 (
  480.     UINT32                  LineNumber,
  481.     const char              *FunctionName,
  482.     const char              *ModuleName,
  483.     UINT32                  ComponentId,
  484.     UINT32                  Integer)
  485. {
  486.  
  487.     AcpiGbl_NestingLevel++;
  488.     AcpiUtTrackStackPtr ();
  489.  
  490.     AcpiDebugPrint (ACPI_LV_FUNCTIONS,
  491.         LineNumber, FunctionName, ModuleName, ComponentId,
  492.         "%s %08X\n", AcpiGbl_FnEntryStr, Integer);
  493. }
  494.  
  495.  
  496. /*******************************************************************************
  497.  *
  498.  * FUNCTION:    AcpiUtExit
  499.  *
  500.  * PARAMETERS:  LineNumber          - Caller's line number
  501.  *              FunctionName        - Caller's procedure name
  502.  *              ModuleName          - Caller's module name
  503.  *              ComponentId         - Caller's component ID
  504.  *
  505.  * RETURN:      None
  506.  *
  507.  * DESCRIPTION: Function exit trace.  Prints only if TRACE_FUNCTIONS bit is
  508.  *              set in DebugLevel
  509.  *
  510.  ******************************************************************************/
  511.  
  512. void
  513. AcpiUtExit (
  514.     UINT32                  LineNumber,
  515.     const char              *FunctionName,
  516.     const char              *ModuleName,
  517.     UINT32                  ComponentId)
  518. {
  519.  
  520.     AcpiDebugPrint (ACPI_LV_FUNCTIONS,
  521.         LineNumber, FunctionName, ModuleName, ComponentId,
  522.         "%s\n", AcpiGbl_FnExitStr);
  523.  
  524.     AcpiGbl_NestingLevel--;
  525. }
  526.  
  527. ACPI_EXPORT_SYMBOL (AcpiUtExit)
  528.  
  529.  
  530. /*******************************************************************************
  531.  *
  532.  * FUNCTION:    AcpiUtStatusExit
  533.  *
  534.  * PARAMETERS:  LineNumber          - Caller's line number
  535.  *              FunctionName        - Caller's procedure name
  536.  *              ModuleName          - Caller's module name
  537.  *              ComponentId         - Caller's component ID
  538.  *              Status              - Exit status code
  539.  *
  540.  * RETURN:      None
  541.  *
  542.  * DESCRIPTION: Function exit trace.  Prints only if TRACE_FUNCTIONS bit is
  543.  *              set in DebugLevel.  Prints exit status also.
  544.  *
  545.  ******************************************************************************/
  546.  
  547. void
  548. AcpiUtStatusExit (
  549.     UINT32                  LineNumber,
  550.     const char              *FunctionName,
  551.     const char              *ModuleName,
  552.     UINT32                  ComponentId,
  553.     ACPI_STATUS             Status)
  554. {
  555.  
  556.     if (ACPI_SUCCESS (Status))
  557.     {
  558.         AcpiDebugPrint (ACPI_LV_FUNCTIONS,
  559.             LineNumber, FunctionName, ModuleName, ComponentId,
  560.             "%s %s\n", AcpiGbl_FnExitStr,
  561.             AcpiFormatException (Status));
  562.     }
  563.     else
  564.     {
  565.         AcpiDebugPrint (ACPI_LV_FUNCTIONS,
  566.             LineNumber, FunctionName, ModuleName, ComponentId,
  567.             "%s ****Exception****: %s\n", AcpiGbl_FnExitStr,
  568.             AcpiFormatException (Status));
  569.     }
  570.  
  571.     AcpiGbl_NestingLevel--;
  572. }
  573.  
  574. ACPI_EXPORT_SYMBOL (AcpiUtStatusExit)
  575.  
  576.  
  577. /*******************************************************************************
  578.  *
  579.  * FUNCTION:    AcpiUtValueExit
  580.  *
  581.  * PARAMETERS:  LineNumber          - Caller's line number
  582.  *              FunctionName        - Caller's procedure name
  583.  *              ModuleName          - Caller's module name
  584.  *              ComponentId         - Caller's component ID
  585.  *              Value               - Value to be printed with exit msg
  586.  *
  587.  * RETURN:      None
  588.  *
  589.  * DESCRIPTION: Function exit trace.  Prints only if TRACE_FUNCTIONS bit is
  590.  *              set in DebugLevel.  Prints exit value also.
  591.  *
  592.  ******************************************************************************/
  593.  
  594. void
  595. AcpiUtValueExit (
  596.     UINT32                  LineNumber,
  597.     const char              *FunctionName,
  598.     const char              *ModuleName,
  599.     UINT32                  ComponentId,
  600.     UINT64                  Value)
  601. {
  602.  
  603.     AcpiDebugPrint (ACPI_LV_FUNCTIONS,
  604.         LineNumber, FunctionName, ModuleName, ComponentId,
  605.         "%s %8.8X%8.8X\n", AcpiGbl_FnExitStr,
  606.         ACPI_FORMAT_UINT64 (Value));
  607.  
  608.     AcpiGbl_NestingLevel--;
  609. }
  610.  
  611. ACPI_EXPORT_SYMBOL (AcpiUtValueExit)
  612.  
  613.  
  614. /*******************************************************************************
  615.  *
  616.  * FUNCTION:    AcpiUtPtrExit
  617.  *
  618.  * PARAMETERS:  LineNumber          - Caller's line number
  619.  *              FunctionName        - Caller's procedure name
  620.  *              ModuleName          - Caller's module name
  621.  *              ComponentId         - Caller's component ID
  622.  *              Ptr                 - Pointer to display
  623.  *
  624.  * RETURN:      None
  625.  *
  626.  * DESCRIPTION: Function exit trace.  Prints only if TRACE_FUNCTIONS bit is
  627.  *              set in DebugLevel.  Prints exit value also.
  628.  *
  629.  ******************************************************************************/
  630.  
  631. void
  632. AcpiUtPtrExit (
  633.     UINT32                  LineNumber,
  634.     const char              *FunctionName,
  635.     const char              *ModuleName,
  636.     UINT32                  ComponentId,
  637.     UINT8                   *Ptr)
  638. {
  639.  
  640.     AcpiDebugPrint (ACPI_LV_FUNCTIONS,
  641.         LineNumber, FunctionName, ModuleName, ComponentId,
  642.         "%s %p\n", AcpiGbl_FnExitStr, Ptr);
  643.  
  644.     AcpiGbl_NestingLevel--;
  645. }
  646.  
  647. #endif
  648.  
  649.  
  650. /*******************************************************************************
  651.  *
  652.  * FUNCTION:    AcpiUtDumpBuffer
  653.  *
  654.  * PARAMETERS:  Buffer              - Buffer to dump
  655.  *              Count               - Amount to dump, in bytes
  656.  *              Display             - BYTE, WORD, DWORD, or QWORD display
  657.  *              ComponentID         - Caller's component ID
  658.  *
  659.  * RETURN:      None
  660.  *
  661.  * DESCRIPTION: Generic dump buffer in both hex and ascii.
  662.  *
  663.  ******************************************************************************/
  664.  
  665. void
  666. AcpiUtDumpBuffer2 (
  667.     UINT8                   *Buffer,
  668.     UINT32                  Count,
  669.     UINT32                  Display)
  670. {
  671.     UINT32                  i = 0;
  672.     UINT32                  j;
  673.     UINT32                  Temp32;
  674.     UINT8                   BufChar;
  675.  
  676.  
  677.     if (!Buffer)
  678.     {
  679.         AcpiOsPrintf ("Null Buffer Pointer in DumpBuffer!\n");
  680.         return;
  681.     }
  682.  
  683.     if ((Count < 4) || (Count & 0x01))
  684.     {
  685.         Display = DB_BYTE_DISPLAY;
  686.     }
  687.  
  688.     /* Nasty little dump buffer routine! */
  689.  
  690.     while (i < Count)
  691.     {
  692.         /* Print current offset */
  693.  
  694.         AcpiOsPrintf ("%6.4X: ", i);
  695.  
  696.         /* Print 16 hex chars */
  697.  
  698.         for (j = 0; j < 16;)
  699.         {
  700.             if (i + j >= Count)
  701.             {
  702.                 /* Dump fill spaces */
  703.  
  704.                 AcpiOsPrintf ("%*s", ((Display * 2) + 1), " ");
  705.                 j += Display;
  706.                 continue;
  707.             }
  708.  
  709.             switch (Display)
  710.             {
  711.             case DB_BYTE_DISPLAY:
  712.             default:    /* Default is BYTE display */
  713.  
  714.                 AcpiOsPrintf ("%02X ", Buffer[(ACPI_SIZE) i + j]);
  715.                 break;
  716.  
  717.  
  718.             case DB_WORD_DISPLAY:
  719.  
  720.                 ACPI_MOVE_16_TO_32 (&Temp32, &Buffer[(ACPI_SIZE) i + j]);
  721.                 AcpiOsPrintf ("%04X ", Temp32);
  722.                 break;
  723.  
  724.  
  725.             case DB_DWORD_DISPLAY:
  726.  
  727.                 ACPI_MOVE_32_TO_32 (&Temp32, &Buffer[(ACPI_SIZE) i + j]);
  728.                 AcpiOsPrintf ("%08X ", Temp32);
  729.                 break;
  730.  
  731.  
  732.             case DB_QWORD_DISPLAY:
  733.  
  734.                 ACPI_MOVE_32_TO_32 (&Temp32, &Buffer[(ACPI_SIZE) i + j]);
  735.                 AcpiOsPrintf ("%08X", Temp32);
  736.  
  737.                 ACPI_MOVE_32_TO_32 (&Temp32, &Buffer[(ACPI_SIZE) i + j + 4]);
  738.                 AcpiOsPrintf ("%08X ", Temp32);
  739.                 break;
  740.             }
  741.  
  742.             j += Display;
  743.         }
  744.  
  745.         /*
  746.          * Print the ASCII equivalent characters but watch out for the bad
  747.          * unprintable ones (printable chars are 0x20 through 0x7E)
  748.          */
  749.         AcpiOsPrintf (" ");
  750.         for (j = 0; j < 16; j++)
  751.         {
  752.             if (i + j >= Count)
  753.             {
  754.                 AcpiOsPrintf ("\n");
  755.                 return;
  756.             }
  757.  
  758.             BufChar = Buffer[(ACPI_SIZE) i + j];
  759.             if (ACPI_IS_PRINT (BufChar))
  760.             {
  761.                 AcpiOsPrintf ("%c", BufChar);
  762.             }
  763.             else
  764.             {
  765.                 AcpiOsPrintf (".");
  766.             }
  767.         }
  768.  
  769.         /* Done with that line. */
  770.  
  771.         AcpiOsPrintf ("\n");
  772.         i += 16;
  773.     }
  774.  
  775.     return;
  776. }
  777.  
  778.  
  779. /*******************************************************************************
  780.  *
  781.  * FUNCTION:    AcpiUtDumpBuffer
  782.  *
  783.  * PARAMETERS:  Buffer              - Buffer to dump
  784.  *              Count               - Amount to dump, in bytes
  785.  *              Display             - BYTE, WORD, DWORD, or QWORD display
  786.  *              ComponentID         - Caller's component ID
  787.  *
  788.  * RETURN:      None
  789.  *
  790.  * DESCRIPTION: Generic dump buffer in both hex and ascii.
  791.  *
  792.  ******************************************************************************/
  793.  
  794. void
  795. AcpiUtDumpBuffer (
  796.     UINT8                   *Buffer,
  797.     UINT32                  Count,
  798.     UINT32                  Display,
  799.     UINT32                  ComponentId)
  800. {
  801.  
  802.     /* Only dump the buffer if tracing is enabled */
  803.  
  804.     if (!((ACPI_LV_TABLES & AcpiDbgLevel) &&
  805.         (ComponentId & AcpiDbgLayer)))
  806.     {
  807.         return;
  808.     }
  809.  
  810.     AcpiUtDumpBuffer2 (Buffer, Count, Display);
  811. }
  812.  
  813.  
  814.