/****************************************************************************** * * Module Name: utdebug - Debug print/trace routines * *****************************************************************************/ /****************************************************************************** * * 1. Copyright Notice * * Some or all of this work - Copyright (c) 1999 - 2018, Intel Corp. * All rights reserved. * * 2. License * * 2.1. This is your license from Intel Corp. under its intellectual property * rights. You may have additional license terms from the party that provided * you this software, covering your right to use that party's intellectual * property rights. * * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a * copy of the source code appearing in this file ("Covered Code") an * irrevocable, perpetual, worldwide license under Intel's copyrights in the * base code distributed originally by Intel ("Original Intel Code") to copy, * make derivatives, distribute, use and display any portion of the Covered * Code in any form, with the right to sublicense such rights; and * * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent * license (with the right to sublicense), under only those claims of Intel * patents that are infringed by the Original Intel Code, to make, use, sell, * offer to sell, and import the Covered Code and derivative works thereof * solely to the minimum extent necessary to exercise the above copyright * license, and in no event shall the patent license extend to any additions * to or modifications of the Original Intel Code. No other license or right * is granted directly or by implication, estoppel or otherwise; * * The above copyright and patent license is granted only if the following * conditions are met: * * 3. Conditions * * 3.1. Redistribution of Source with Rights to Further Distribute Source. * Redistribution of source code of any substantial portion of the Covered * Code or modification with rights to further distribute source must include * the above Copyright Notice, the above License, this list of Conditions, * and the following Disclaimer and Export Compliance provision. In addition, * Licensee must cause all Covered Code to which Licensee contributes to * contain a file documenting the changes Licensee made to create that Covered * Code and the date of any change. Licensee must include in that file the * documentation of any changes made by any predecessor Licensee. Licensee * must include a prominent statement that the modification is derived, * directly or indirectly, from Original Intel Code. * * 3.2. Redistribution of Source with no Rights to Further Distribute Source. * Redistribution of source code of any substantial portion of the Covered * Code or modification without rights to further distribute source must * include the following Disclaimer and Export Compliance provision in the * documentation and/or other materials provided with distribution. In * addition, Licensee may not authorize further sublicense of source of any * portion of the Covered Code, and must include terms to the effect that the * license from Licensee to its licensee is limited to the intellectual * property embodied in the software Licensee provides to its licensee, and * not to intellectual property embodied in modifications its licensee may * make. * * 3.3. Redistribution of Executable. Redistribution in executable form of any * substantial portion of the Covered Code or modification must reproduce the * above Copyright Notice, and the following Disclaimer and Export Compliance * provision in the documentation and/or other materials provided with the * distribution. * * 3.4. Intel retains all right, title, and interest in and to the Original * Intel Code. * * 3.5. Neither the name Intel nor any other trademark owned or controlled by * Intel shall be used in advertising or otherwise to promote the sale, use or * other dealings in products derived from or relating to the Covered Code * without prior written authorization from Intel. * * 4. Disclaimer and Export Compliance * * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A * PARTICULAR PURPOSE. * * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY * LIMITED REMEDY. * * 4.3. Licensee shall not export, either directly or indirectly, any of this * software or system incorporating such software without first obtaining any * required license or other approval from the U. S. Department of Commerce or * any other agency or department of the United States Government. In the * event Licensee exports any such software from the United States or * re-exports any such software from a foreign destination, Licensee shall * ensure that the distribution and export/re-export of the software is in * compliance with all laws, regulations, orders, or other restrictions of the * U.S. Export Administration Regulations. Licensee agrees that neither it nor * any of its subsidiaries will export/re-export any technical data, process, * software, or service, directly or indirectly, to any country for which the * United States government or any agency thereof requires an export license, * other governmental approval, or letter of assurance, without first obtaining * such license, approval or letter. * ***************************************************************************** * * Alternatively, you may choose to be licensed under the terms of the * following license: * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification. * 2. Redistributions in binary form must reproduce at minimum a disclaimer * substantially similar to the "NO WARRANTY" disclaimer below * ("Disclaimer") and any redistribution must be conditioned upon * including a substantially similar Disclaimer requirement for further * binary redistribution. * 3. Neither the names of the above-listed copyright holders nor the names * of any contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Alternatively, you may choose to be licensed under the terms of the * GNU General Public License ("GPL") version 2 as published by the Free * Software Foundation. * *****************************************************************************/ #define EXPORT_ACPI_INTERFACES #include "acpi.h" #include "accommon.h" #include "acinterp.h" #define _COMPONENT ACPI_UTILITIES ACPI_MODULE_NAME ("utdebug") #ifdef ACPI_DEBUG_OUTPUT static ACPI_THREAD_ID AcpiGbl_PreviousThreadId = (ACPI_THREAD_ID) 0xFFFFFFFF; static const char *AcpiGbl_FunctionEntryPrefix = "----Entry"; static const char *AcpiGbl_FunctionExitPrefix = "----Exit-"; /******************************************************************************* * * FUNCTION: AcpiUtInitStackPtrTrace * * PARAMETERS: None * * RETURN: None * * DESCRIPTION: Save the current CPU stack pointer at subsystem startup * ******************************************************************************/ void AcpiUtInitStackPtrTrace ( void) { ACPI_SIZE CurrentSp; AcpiGbl_EntryStackPointer = &CurrentSp; } /******************************************************************************* * * FUNCTION: AcpiUtTrackStackPtr * * PARAMETERS: None * * RETURN: None * * DESCRIPTION: Save the current CPU stack pointer * ******************************************************************************/ void AcpiUtTrackStackPtr ( void) { ACPI_SIZE CurrentSp; if (&CurrentSp < AcpiGbl_LowestStackPointer) { AcpiGbl_LowestStackPointer = &CurrentSp; } if (AcpiGbl_NestingLevel > AcpiGbl_DeepestNesting) { AcpiGbl_DeepestNesting = AcpiGbl_NestingLevel; } } /******************************************************************************* * * FUNCTION: AcpiUtTrimFunctionName * * PARAMETERS: FunctionName - Ascii string containing a procedure name * * RETURN: Updated pointer to the function name * * DESCRIPTION: Remove the "Acpi" prefix from the function name, if present. * This allows compiler macros such as __FUNCTION__ to be used * with no change to the debug output. * ******************************************************************************/ static const char * AcpiUtTrimFunctionName ( const char *FunctionName) { /* All Function names are longer than 4 chars, check is safe */ if (*(ACPI_CAST_PTR (UINT32, FunctionName)) == ACPI_PREFIX_MIXED) { /* This is the case where the original source has not been modified */ return (FunctionName + 4); } if (*(ACPI_CAST_PTR (UINT32, FunctionName)) == ACPI_PREFIX_LOWER) { /* This is the case where the source has been 'linuxized' */ return (FunctionName + 5); } return (FunctionName); } /******************************************************************************* * * FUNCTION: AcpiDebugPrint * * PARAMETERS: RequestedDebugLevel - Requested debug print level * LineNumber - Caller's line number (for error output) * FunctionName - Caller's procedure name * ModuleName - Caller's module name * ComponentId - Caller's component ID * Format - Printf format field * ... - Optional printf arguments * * RETURN: None * * DESCRIPTION: Print error message with prefix consisting of the module name, * line number, and component ID. * ******************************************************************************/ void ACPI_INTERNAL_VAR_XFACE AcpiDebugPrint ( UINT32 RequestedDebugLevel, UINT32 LineNumber, const char *FunctionName, const char *ModuleName, UINT32 ComponentId, const char *Format, ...) { ACPI_THREAD_ID ThreadId; va_list args; #ifdef ACPI_APPLICATION int FillCount; #endif /* Check if debug output enabled */ if (!ACPI_IS_DEBUG_ENABLED (RequestedDebugLevel, ComponentId)) { return; } /* * Thread tracking and context switch notification */ ThreadId = AcpiOsGetThreadId (); if (ThreadId != AcpiGbl_PreviousThreadId) { if (ACPI_LV_THREADS & AcpiDbgLevel) { AcpiOsPrintf ( "\n**** Context Switch from TID %u to TID %u ****\n\n", (UINT32) AcpiGbl_PreviousThreadId, (UINT32) ThreadId); } AcpiGbl_PreviousThreadId = ThreadId; AcpiGbl_NestingLevel = 0; } /* * Display the module name, current line number, thread ID (if requested), * current procedure nesting level, and the current procedure name */ AcpiOsPrintf ("%9s-%04ld ", ModuleName, LineNumber); #ifdef ACPI_APPLICATION /* * For AcpiExec/iASL only, emit the thread ID and nesting level. * Note: nesting level is really only useful during a single-thread * execution. Otherwise, multiple threads will keep resetting the * level. */ if (ACPI_LV_THREADS & AcpiDbgLevel) { AcpiOsPrintf ("[%u] ", (UINT32) ThreadId); } FillCount = 48 - AcpiGbl_NestingLevel - strlen (AcpiUtTrimFunctionName (FunctionName)); if (FillCount < 0) { FillCount = 0; } AcpiOsPrintf ("[%02ld] %*s", AcpiGbl_NestingLevel, AcpiGbl_NestingLevel + 1, " "); AcpiOsPrintf ("%s%*s: ", AcpiUtTrimFunctionName (FunctionName), FillCount, " "); #else AcpiOsPrintf ("%-22.22s: ", AcpiUtTrimFunctionName (FunctionName)); #endif va_start (args, Format); AcpiOsVprintf (Format, args); va_end (args); } ACPI_EXPORT_SYMBOL (AcpiDebugPrint) /******************************************************************************* * * FUNCTION: AcpiDebugPrintRaw * * PARAMETERS: RequestedDebugLevel - Requested debug print level * LineNumber - Caller's line number * FunctionName - Caller's procedure name * ModuleName - Caller's module name * ComponentId - Caller's component ID * Format - Printf format field * ... - Optional printf arguments * * RETURN: None * * DESCRIPTION: Print message with no headers. Has same interface as * DebugPrint so that the same macros can be used. * ******************************************************************************/ void ACPI_INTERNAL_VAR_XFACE AcpiDebugPrintRaw ( UINT32 RequestedDebugLevel, UINT32 LineNumber, const char *FunctionName, const char *ModuleName, UINT32 ComponentId, const char *Format, ...) { va_list args; /* Check if debug output enabled */ if (!ACPI_IS_DEBUG_ENABLED (RequestedDebugLevel, ComponentId)) { return; } va_start (args, Format); AcpiOsVprintf (Format, args); va_end (args); } ACPI_EXPORT_SYMBOL (AcpiDebugPrintRaw) /******************************************************************************* * * FUNCTION: AcpiUtTrace * * PARAMETERS: LineNumber - Caller's line number * FunctionName - Caller's procedure name * ModuleName - Caller's module name * ComponentId - Caller's component ID * * RETURN: None * * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is * set in DebugLevel * ******************************************************************************/ void AcpiUtTrace ( UINT32 LineNumber, const char *FunctionName, const char *ModuleName, UINT32 ComponentId) { AcpiGbl_NestingLevel++; AcpiUtTrackStackPtr (); /* Check if enabled up-front for performance */ if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId)) { AcpiDebugPrint (ACPI_LV_FUNCTIONS, LineNumber, FunctionName, ModuleName, ComponentId, "%s\n", AcpiGbl_FunctionEntryPrefix); } } ACPI_EXPORT_SYMBOL (AcpiUtTrace) /******************************************************************************* * * FUNCTION: AcpiUtTracePtr * * PARAMETERS: LineNumber - Caller's line number * FunctionName - Caller's procedure name * ModuleName - Caller's module name * ComponentId - Caller's component ID * Pointer - Pointer to display * * RETURN: None * * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is * set in DebugLevel * ******************************************************************************/ void AcpiUtTracePtr ( UINT32 LineNumber, const char *FunctionName, const char *ModuleName, UINT32 ComponentId, const void *Pointer) { AcpiGbl_NestingLevel++; AcpiUtTrackStackPtr (); /* Check if enabled up-front for performance */ if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId)) { AcpiDebugPrint (ACPI_LV_FUNCTIONS, LineNumber, FunctionName, ModuleName, ComponentId, "%s %p\n", AcpiGbl_FunctionEntryPrefix, Pointer); } } /******************************************************************************* * * FUNCTION: AcpiUtTraceStr * * PARAMETERS: LineNumber - Caller's line number * FunctionName - Caller's procedure name * ModuleName - Caller's module name * ComponentId - Caller's component ID * String - Additional string to display * * RETURN: None * * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is * set in DebugLevel * ******************************************************************************/ void AcpiUtTraceStr ( UINT32 LineNumber, const char *FunctionName, const char *ModuleName, UINT32 ComponentId, const char *String) { AcpiGbl_NestingLevel++; AcpiUtTrackStackPtr (); /* Check if enabled up-front for performance */ if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId)) { AcpiDebugPrint (ACPI_LV_FUNCTIONS, LineNumber, FunctionName, ModuleName, ComponentId, "%s %s\n", AcpiGbl_FunctionEntryPrefix, String); } } /******************************************************************************* * * FUNCTION: AcpiUtTraceU32 * * PARAMETERS: LineNumber - Caller's line number * FunctionName - Caller's procedure name * ModuleName - Caller's module name * ComponentId - Caller's component ID * Integer - Integer to display * * RETURN: None * * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is * set in DebugLevel * ******************************************************************************/ void AcpiUtTraceU32 ( UINT32 LineNumber, const char *FunctionName, const char *ModuleName, UINT32 ComponentId, UINT32 Integer) { AcpiGbl_NestingLevel++; AcpiUtTrackStackPtr (); /* Check if enabled up-front for performance */ if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId)) { AcpiDebugPrint (ACPI_LV_FUNCTIONS, LineNumber, FunctionName, ModuleName, ComponentId, "%s %08X\n", AcpiGbl_FunctionEntryPrefix, Integer); } } /******************************************************************************* * * FUNCTION: AcpiUtExit * * PARAMETERS: LineNumber - Caller's line number * FunctionName - Caller's procedure name * ModuleName - Caller's module name * ComponentId - Caller's component ID * * RETURN: None * * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is * set in DebugLevel * ******************************************************************************/ void AcpiUtExit ( UINT32 LineNumber, const char *FunctionName, const char *ModuleName, UINT32 ComponentId) { /* Check if enabled up-front for performance */ if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId)) { AcpiDebugPrint (ACPI_LV_FUNCTIONS, LineNumber, FunctionName, ModuleName, ComponentId, "%s\n", AcpiGbl_FunctionExitPrefix); } if (AcpiGbl_NestingLevel) { AcpiGbl_NestingLevel--; } } ACPI_EXPORT_SYMBOL (AcpiUtExit) /******************************************************************************* * * FUNCTION: AcpiUtStatusExit * * PARAMETERS: LineNumber - Caller's line number * FunctionName - Caller's procedure name * ModuleName - Caller's module name * ComponentId - Caller's component ID * Status - Exit status code * * RETURN: None * * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is * set in DebugLevel. Prints exit status also. * ******************************************************************************/ void AcpiUtStatusExit ( UINT32 LineNumber, const char *FunctionName, const char *ModuleName, UINT32 ComponentId, ACPI_STATUS Status) { /* Check if enabled up-front for performance */ if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId)) { if (ACPI_SUCCESS (Status)) { AcpiDebugPrint (ACPI_LV_FUNCTIONS, LineNumber, FunctionName, ModuleName, ComponentId, "%s %s\n", AcpiGbl_FunctionExitPrefix, AcpiFormatException (Status)); } else { AcpiDebugPrint (ACPI_LV_FUNCTIONS, LineNumber, FunctionName, ModuleName, ComponentId, "%s ****Exception****: %s\n", AcpiGbl_FunctionExitPrefix, AcpiFormatException (Status)); } } if (AcpiGbl_NestingLevel) { AcpiGbl_NestingLevel--; } } ACPI_EXPORT_SYMBOL (AcpiUtStatusExit) /******************************************************************************* * * FUNCTION: AcpiUtValueExit * * PARAMETERS: LineNumber - Caller's line number * FunctionName - Caller's procedure name * ModuleName - Caller's module name * ComponentId - Caller's component ID * Value - Value to be printed with exit msg * * RETURN: None * * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is * set in DebugLevel. Prints exit value also. * ******************************************************************************/ void AcpiUtValueExit ( UINT32 LineNumber, const char *FunctionName, const char *ModuleName, UINT32 ComponentId, UINT64 Value) { /* Check if enabled up-front for performance */ if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId)) { AcpiDebugPrint (ACPI_LV_FUNCTIONS, LineNumber, FunctionName, ModuleName, ComponentId, "%s %8.8X%8.8X\n", AcpiGbl_FunctionExitPrefix, ACPI_FORMAT_UINT64 (Value)); } if (AcpiGbl_NestingLevel) { AcpiGbl_NestingLevel--; } } ACPI_EXPORT_SYMBOL (AcpiUtValueExit) /******************************************************************************* * * FUNCTION: AcpiUtPtrExit * * PARAMETERS: LineNumber - Caller's line number * FunctionName - Caller's procedure name * ModuleName - Caller's module name * ComponentId - Caller's component ID * Ptr - Pointer to display * * RETURN: None * * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is * set in DebugLevel. Prints exit value also. * ******************************************************************************/ void AcpiUtPtrExit ( UINT32 LineNumber, const char *FunctionName, const char *ModuleName, UINT32 ComponentId, UINT8 *Ptr) { /* Check if enabled up-front for performance */ if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId)) { AcpiDebugPrint (ACPI_LV_FUNCTIONS, LineNumber, FunctionName, ModuleName, ComponentId, "%s %p\n", AcpiGbl_FunctionExitPrefix, Ptr); } if (AcpiGbl_NestingLevel) { AcpiGbl_NestingLevel--; } } /******************************************************************************* * * FUNCTION: AcpiUtStrExit * * PARAMETERS: LineNumber - Caller's line number * FunctionName - Caller's procedure name * ModuleName - Caller's module name * ComponentId - Caller's component ID * String - String to display * * RETURN: None * * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is * set in DebugLevel. Prints exit value also. * ******************************************************************************/ void AcpiUtStrExit ( UINT32 LineNumber, const char *FunctionName, const char *ModuleName, UINT32 ComponentId, const char *String) { /* Check if enabled up-front for performance */ if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId)) { AcpiDebugPrint (ACPI_LV_FUNCTIONS, LineNumber, FunctionName, ModuleName, ComponentId, "%s %s\n", AcpiGbl_FunctionExitPrefix, String); } if (AcpiGbl_NestingLevel) { AcpiGbl_NestingLevel--; } } /******************************************************************************* * * FUNCTION: AcpiTracePoint * * PARAMETERS: Type - Trace event type * Begin - TRUE if before execution * Aml - Executed AML address * Pathname - Object path * Pointer - Pointer to the related object * * RETURN: None * * DESCRIPTION: Interpreter execution trace. * ******************************************************************************/ void AcpiTracePoint ( ACPI_TRACE_EVENT_TYPE Type, BOOLEAN Begin, UINT8 *Aml, char *Pathname) { ACPI_FUNCTION_ENTRY (); AcpiExTracePoint (Type, Begin, Aml, Pathname); #ifdef ACPI_USE_SYSTEM_TRACER AcpiOsTracePoint (Type, Begin, Aml, Pathname); #endif } ACPI_EXPORT_SYMBOL (AcpiTracePoint) #endif