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/******************************************************************************
*
* Module Name: utdebug - Debug print routines
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* 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.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* 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 MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES.
*/
#define __UTDEBUG_C__
#include <contrib/dev/acpica/include/acpi.h>
#include <contrib/dev/acpica/include/accommon.h>
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME ("utdebug")
#ifdef ACPI_DEBUG_OUTPUT
static ACPI_THREAD_ID AcpiGbl_PrevThreadId = (ACPI_THREAD_ID) 0xFFFFFFFF;
static char *AcpiGbl_FnEntryStr = "----Entry";
static char *AcpiGbl_FnExitStr = "----Exit-";
/* Local prototypes */
static const char *
AcpiUtTrimFunctionName (
const char *FunctionName);
/*******************************************************************************
*
* 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;
/*
* Stay silent if the debug level or component ID is disabled
*/
if (!(RequestedDebugLevel & AcpiDbgLevel) ||
!(ComponentId & AcpiDbgLayer))
{
return;
}
/*
* Thread tracking and context switch notification
*/
ThreadId = AcpiOsGetThreadId ();
if (ThreadId != AcpiGbl_PrevThreadId)
{
if (ACPI_LV_THREADS & AcpiDbgLevel)
{
AcpiOsPrintf (
"\n**** Context Switch from TID %u to TID %u ****\n\n",
(UINT32) AcpiGbl_PrevThreadId, (UINT32) ThreadId);
}
AcpiGbl_PrevThreadId = ThreadId;
}
/*
* Display the module name, current line number, thread ID (if requested),
* current procedure nesting level, and the current procedure name
*/
AcpiOsPrintf ("%8s-%04ld ", ModuleName, LineNumber);
if (ACPI_LV_THREADS & AcpiDbgLevel)
{
AcpiOsPrintf ("[%u] ", (UINT32) ThreadId);
}
AcpiOsPrintf ("[%02ld] %-22.22s: ",
AcpiGbl_NestingLevel, AcpiUtTrimFunctionName (FunctionName));
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;
if (!(RequestedDebugLevel & AcpiDbgLevel) ||
!(ComponentId & AcpiDbgLayer))
{
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 ();
AcpiDebugPrint (ACPI_LV_FUNCTIONS,
LineNumber, FunctionName, ModuleName, ComponentId,
"%s\n", AcpiGbl_FnEntryStr);
}
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,
void *Pointer)
{
AcpiGbl_NestingLevel++;
AcpiUtTrackStackPtr ();
AcpiDebugPrint (ACPI_LV_FUNCTIONS,
LineNumber, FunctionName, ModuleName, ComponentId,
"%s %p\n", AcpiGbl_FnEntryStr, 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,
char *String)
{
AcpiGbl_NestingLevel++;
AcpiUtTrackStackPtr ();
AcpiDebugPrint (ACPI_LV_FUNCTIONS,
LineNumber, FunctionName, ModuleName, ComponentId,
"%s %s\n", AcpiGbl_FnEntryStr, 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 ();
AcpiDebugPrint (ACPI_LV_FUNCTIONS,
LineNumber, FunctionName, ModuleName, ComponentId,
"%s %08X\n", AcpiGbl_FnEntryStr, 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)
{
AcpiDebugPrint (ACPI_LV_FUNCTIONS,
LineNumber, FunctionName, ModuleName, ComponentId,
"%s\n", AcpiGbl_FnExitStr);
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)
{
if (ACPI_SUCCESS (Status))
{
AcpiDebugPrint (ACPI_LV_FUNCTIONS,
LineNumber, FunctionName, ModuleName, ComponentId,
"%s %s\n", AcpiGbl_FnExitStr,
AcpiFormatException (Status));
}
else
{
AcpiDebugPrint (ACPI_LV_FUNCTIONS,
LineNumber, FunctionName, ModuleName, ComponentId,
"%s ****Exception****: %s\n", AcpiGbl_FnExitStr,
AcpiFormatException (Status));
}
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)
{
AcpiDebugPrint (ACPI_LV_FUNCTIONS,
LineNumber, FunctionName, ModuleName, ComponentId,
"%s %8.8X%8.8X\n", AcpiGbl_FnExitStr,
ACPI_FORMAT_UINT64 (Value));
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)
{
AcpiDebugPrint (ACPI_LV_FUNCTIONS,
LineNumber, FunctionName, ModuleName, ComponentId,
"%s %p\n", AcpiGbl_FnExitStr, Ptr);
AcpiGbl_NestingLevel--;
}
#endif
/*******************************************************************************
*
* FUNCTION: AcpiUtDumpBuffer
*
* PARAMETERS: Buffer - Buffer to dump
* Count - Amount to dump, in bytes
* Display - BYTE, WORD, DWORD, or QWORD display
* ComponentID - Caller's component ID
*
* RETURN: None
*
* DESCRIPTION: Generic dump buffer in both hex and ascii.
*
******************************************************************************/
void
AcpiUtDumpBuffer2 (
UINT8 *Buffer,
UINT32 Count,
UINT32 Display)
{
UINT32 i = 0;
UINT32 j;
UINT32 Temp32;
UINT8 BufChar;
if (!Buffer)
{
AcpiOsPrintf ("Null Buffer Pointer in DumpBuffer!\n");
return;
}
if ((Count < 4) || (Count & 0x01))
{
Display = DB_BYTE_DISPLAY;
}
/* Nasty little dump buffer routine! */
while (i < Count)
{
/* Print current offset */
AcpiOsPrintf ("%6.4X: ", i);
/* Print 16 hex chars */
for (j = 0; j < 16;)
{
if (i + j >= Count)
{
/* Dump fill spaces */
AcpiOsPrintf ("%*s", ((Display * 2) + 1), " ");
j += Display;
continue;
}
switch (Display)
{
case DB_BYTE_DISPLAY:
default: /* Default is BYTE display */
AcpiOsPrintf ("%02X ", Buffer[(ACPI_SIZE) i + j]);
break;
case DB_WORD_DISPLAY:
ACPI_MOVE_16_TO_32 (&Temp32, &Buffer[(ACPI_SIZE) i + j]);
AcpiOsPrintf ("%04X ", Temp32);
break;
case DB_DWORD_DISPLAY:
ACPI_MOVE_32_TO_32 (&Temp32, &Buffer[(ACPI_SIZE) i + j]);
AcpiOsPrintf ("%08X ", Temp32);
break;
case DB_QWORD_DISPLAY:
ACPI_MOVE_32_TO_32 (&Temp32, &Buffer[(ACPI_SIZE) i + j]);
AcpiOsPrintf ("%08X", Temp32);
ACPI_MOVE_32_TO_32 (&Temp32, &Buffer[(ACPI_SIZE) i + j + 4]);
AcpiOsPrintf ("%08X ", Temp32);
break;
}
j += Display;
}
/*
* Print the ASCII equivalent characters but watch out for the bad
* unprintable ones (printable chars are 0x20 through 0x7E)
*/
AcpiOsPrintf (" ");
for (j = 0; j < 16; j++)
{
if (i + j >= Count)
{
AcpiOsPrintf ("\n");
return;
}
BufChar = Buffer[(ACPI_SIZE) i + j];
if (ACPI_IS_PRINT (BufChar))
{
AcpiOsPrintf ("%c", BufChar);
}
else
{
AcpiOsPrintf (".");
}
}
/* Done with that line. */
AcpiOsPrintf ("\n");
i += 16;
}
return;
}
/*******************************************************************************
*
* FUNCTION: AcpiUtDumpBuffer
*
* PARAMETERS: Buffer - Buffer to dump
* Count - Amount to dump, in bytes
* Display - BYTE, WORD, DWORD, or QWORD display
* ComponentID - Caller's component ID
*
* RETURN: None
*
* DESCRIPTION: Generic dump buffer in both hex and ascii.
*
******************************************************************************/
void
AcpiUtDumpBuffer (
UINT8 *Buffer,
UINT32 Count,
UINT32 Display,
UINT32 ComponentId)
{
/* Only dump the buffer if tracing is enabled */
if (!((ACPI_LV_TABLES & AcpiDbgLevel) &&
(ComponentId & AcpiDbgLayer)))
{
return;
}
AcpiUtDumpBuffer2 (Buffer, Count, Display);
}