--- /dev/null	ven. janv. 17 07:30:44 2014
+++ new/usr/src/common/acpica/components/utilities/utdebug.c	ven. janv. 17 07:30:44 2014
@@ -0,0 +1,638 @@
+/******************************************************************************
+ *
+ * Module Name: utdebug - Debug print/trace routines
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, 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__
+#define EXPORT_ACPI_INTERFACES
+
+#include "acpi.h"
+#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;
+
+
+    /* Check if debug output enabled */
+
+    if (!ACPI_IS_DEBUG_ENABLED (RequestedDebugLevel, ComponentId))
+    {
+        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;
+        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);
+    }
+
+    AcpiOsPrintf ("[%02ld] ", AcpiGbl_NestingLevel);
+#endif
+
+    AcpiOsPrintf ("%-22.22s: ", 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;
+
+
+    /* 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_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 ();
+
+    /* 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_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 ();
+
+    /* 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_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 ();
+
+    /* 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_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)
+{
+
+    /* 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_FnExitStr);
+    }
+
+    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_FnExitStr,
+                AcpiFormatException (Status));
+        }
+        else
+        {
+            AcpiDebugPrint (ACPI_LV_FUNCTIONS,
+                LineNumber, FunctionName, ModuleName, ComponentId,
+                "%s ****Exception****: %s\n", AcpiGbl_FnExitStr,
+                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_FnExitStr,
+            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_FnExitStr, Ptr);
+    }
+
+    if (AcpiGbl_NestingLevel)
+    {
+        AcpiGbl_NestingLevel--;
+    }
+}
+
+#endif
