--- /dev/null	ven. janv. 17 07:30:48 2014
+++ new/usr/src/common/acpica/components/utilities/utmisc.c	ven. janv. 17 07:30:48 2014
@@ -0,0 +1,457 @@
+/*******************************************************************************
+ *
+ * Module Name: utmisc - common utility procedures
+ *
+ ******************************************************************************/
+
+/*
+ * 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 __UTMISC_C__
+
+#include "acpi.h"
+#include "accommon.h"
+#include "acnamesp.h"
+
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utmisc")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtIsPciRootBridge
+ *
+ * PARAMETERS:  Id              - The HID/CID in string format
+ *
+ * RETURN:      TRUE if the Id is a match for a PCI/PCI-Express Root Bridge
+ *
+ * DESCRIPTION: Determine if the input ID is a PCI Root Bridge ID.
+ *
+ ******************************************************************************/
+
+BOOLEAN
+AcpiUtIsPciRootBridge (
+    char                    *Id)
+{
+
+    /*
+     * Check if this is a PCI root bridge.
+     * ACPI 3.0+: check for a PCI Express root also.
+     */
+    if (!(ACPI_STRCMP (Id,
+            PCI_ROOT_HID_STRING)) ||
+
+        !(ACPI_STRCMP (Id,
+            PCI_EXPRESS_ROOT_HID_STRING)))
+    {
+        return (TRUE);
+    }
+
+    return (FALSE);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtIsAmlTable
+ *
+ * PARAMETERS:  Table               - An ACPI table
+ *
+ * RETURN:      TRUE if table contains executable AML; FALSE otherwise
+ *
+ * DESCRIPTION: Check ACPI Signature for a table that contains AML code.
+ *              Currently, these are DSDT,SSDT,PSDT. All other table types are
+ *              data tables that do not contain AML code.
+ *
+ ******************************************************************************/
+
+BOOLEAN
+AcpiUtIsAmlTable (
+    ACPI_TABLE_HEADER       *Table)
+{
+
+    /* These are the only tables that contain executable AML */
+
+    if (ACPI_COMPARE_NAME (Table->Signature, ACPI_SIG_DSDT) ||
+        ACPI_COMPARE_NAME (Table->Signature, ACPI_SIG_PSDT) ||
+        ACPI_COMPARE_NAME (Table->Signature, ACPI_SIG_SSDT))
+    {
+        return (TRUE);
+    }
+
+    return (FALSE);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtDwordByteSwap
+ *
+ * PARAMETERS:  Value           - Value to be converted
+ *
+ * RETURN:      UINT32 integer with bytes swapped
+ *
+ * DESCRIPTION: Convert a 32-bit value to big-endian (swap the bytes)
+ *
+ ******************************************************************************/
+
+UINT32
+AcpiUtDwordByteSwap (
+    UINT32                  Value)
+{
+    union
+    {
+        UINT32              Value;
+        UINT8               Bytes[4];
+    } Out;
+    union
+    {
+        UINT32              Value;
+        UINT8               Bytes[4];
+    } In;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    In.Value = Value;
+
+    Out.Bytes[0] = In.Bytes[3];
+    Out.Bytes[1] = In.Bytes[2];
+    Out.Bytes[2] = In.Bytes[1];
+    Out.Bytes[3] = In.Bytes[0];
+
+    return (Out.Value);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtSetIntegerWidth
+ *
+ * PARAMETERS:  Revision            From DSDT header
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Set the global integer bit width based upon the revision
+ *              of the DSDT. For Revision 1 and 0, Integers are 32 bits.
+ *              For Revision 2 and above, Integers are 64 bits. Yes, this
+ *              makes a difference.
+ *
+ ******************************************************************************/
+
+void
+AcpiUtSetIntegerWidth (
+    UINT8                   Revision)
+{
+
+    if (Revision < 2)
+    {
+        /* 32-bit case */
+
+        AcpiGbl_IntegerBitWidth    = 32;
+        AcpiGbl_IntegerNybbleWidth = 8;
+        AcpiGbl_IntegerByteWidth   = 4;
+    }
+    else
+    {
+        /* 64-bit case (ACPI 2.0+) */
+
+        AcpiGbl_IntegerBitWidth    = 64;
+        AcpiGbl_IntegerNybbleWidth = 16;
+        AcpiGbl_IntegerByteWidth   = 8;
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCreateUpdateStateAndPush
+ *
+ * PARAMETERS:  Object          - Object to be added to the new state
+ *              Action          - Increment/Decrement
+ *              StateList       - List the state will be added to
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create a new state and push it
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtCreateUpdateStateAndPush (
+    ACPI_OPERAND_OBJECT     *Object,
+    UINT16                  Action,
+    ACPI_GENERIC_STATE      **StateList)
+{
+    ACPI_GENERIC_STATE       *State;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /* Ignore null objects; these are expected */
+
+    if (!Object)
+    {
+        return (AE_OK);
+    }
+
+    State = AcpiUtCreateUpdateState (Object, Action);
+    if (!State)
+    {
+        return (AE_NO_MEMORY);
+    }
+
+    AcpiUtPushGenericState (StateList, State);
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtWalkPackageTree
+ *
+ * PARAMETERS:  SourceObject        - The package to walk
+ *              TargetObject        - Target object (if package is being copied)
+ *              WalkCallback        - Called once for each package element
+ *              Context             - Passed to the callback function
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Walk through a package
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtWalkPackageTree (
+    ACPI_OPERAND_OBJECT     *SourceObject,
+    void                    *TargetObject,
+    ACPI_PKG_CALLBACK       WalkCallback,
+    void                    *Context)
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_GENERIC_STATE      *StateList = NULL;
+    ACPI_GENERIC_STATE      *State;
+    UINT32                  ThisIndex;
+    ACPI_OPERAND_OBJECT     *ThisSourceObj;
+
+
+    ACPI_FUNCTION_TRACE (UtWalkPackageTree);
+
+
+    State = AcpiUtCreatePkgState (SourceObject, TargetObject, 0);
+    if (!State)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    while (State)
+    {
+        /* Get one element of the package */
+
+        ThisIndex     = State->Pkg.Index;
+        ThisSourceObj = (ACPI_OPERAND_OBJECT *)
+                        State->Pkg.SourceObject->Package.Elements[ThisIndex];
+
+        /*
+         * Check for:
+         * 1) An uninitialized package element. It is completely
+         *    legal to declare a package and leave it uninitialized
+         * 2) Not an internal object - can be a namespace node instead
+         * 3) Any type other than a package. Packages are handled in else
+         *    case below.
+         */
+        if ((!ThisSourceObj) ||
+            (ACPI_GET_DESCRIPTOR_TYPE (ThisSourceObj) != ACPI_DESC_TYPE_OPERAND) ||
+            (ThisSourceObj->Common.Type != ACPI_TYPE_PACKAGE))
+        {
+            Status = WalkCallback (ACPI_COPY_TYPE_SIMPLE, ThisSourceObj,
+                                    State, Context);
+            if (ACPI_FAILURE (Status))
+            {
+                return_ACPI_STATUS (Status);
+            }
+
+            State->Pkg.Index++;
+            while (State->Pkg.Index >= State->Pkg.SourceObject->Package.Count)
+            {
+                /*
+                 * We've handled all of the objects at this level,  This means
+                 * that we have just completed a package. That package may
+                 * have contained one or more packages itself.
+                 *
+                 * Delete this state and pop the previous state (package).
+                 */
+                AcpiUtDeleteGenericState (State);
+                State = AcpiUtPopGenericState (&StateList);
+
+                /* Finished when there are no more states */
+
+                if (!State)
+                {
+                    /*
+                     * We have handled all of the objects in the top level
+                     * package just add the length of the package objects
+                     * and exit
+                     */
+                    return_ACPI_STATUS (AE_OK);
+                }
+
+                /*
+                 * Go back up a level and move the index past the just
+                 * completed package object.
+                 */
+                State->Pkg.Index++;
+            }
+        }
+        else
+        {
+            /* This is a subobject of type package */
+
+            Status = WalkCallback (ACPI_COPY_TYPE_PACKAGE, ThisSourceObj,
+                                        State, Context);
+            if (ACPI_FAILURE (Status))
+            {
+                return_ACPI_STATUS (Status);
+            }
+
+            /*
+             * Push the current state and create a new one
+             * The callback above returned a new target package object.
+             */
+            AcpiUtPushGenericState (&StateList, State);
+            State = AcpiUtCreatePkgState (ThisSourceObj,
+                                            State->Pkg.ThisTargetObj, 0);
+            if (!State)
+            {
+                /* Free any stacked Update State objects */
+
+                while (StateList)
+                {
+                    State = AcpiUtPopGenericState (&StateList);
+                    AcpiUtDeleteGenericState (State);
+                }
+                return_ACPI_STATUS (AE_NO_MEMORY);
+            }
+        }
+    }
+
+    /* We should never get here */
+
+    return_ACPI_STATUS (AE_AML_INTERNAL);
+}
+
+
+#ifdef ACPI_DEBUG_OUTPUT
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtDisplayInitPathname
+ *
+ * PARAMETERS:  Type                - Object type of the node
+ *              ObjHandle           - Handle whose pathname will be displayed
+ *              Path                - Additional path string to be appended.
+ *                                      (NULL if no extra path)
+ *
+ * RETURN:      ACPI_STATUS
+ *
+ * DESCRIPTION: Display full pathname of an object, DEBUG ONLY
+ *
+ ******************************************************************************/
+
+void
+AcpiUtDisplayInitPathname (
+    UINT8                   Type,
+    ACPI_NAMESPACE_NODE     *ObjHandle,
+    char                    *Path)
+{
+    ACPI_STATUS             Status;
+    ACPI_BUFFER             Buffer;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /* Only print the path if the appropriate debug level is enabled */
+
+    if (!(AcpiDbgLevel & ACPI_LV_INIT_NAMES))
+    {
+        return;
+    }
+
+    /* Get the full pathname to the node */
+
+    Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER;
+    Status = AcpiNsHandleToPathname (ObjHandle, &Buffer);
+    if (ACPI_FAILURE (Status))
+    {
+        return;
+    }
+
+    /* Print what we're doing */
+
+    switch (Type)
+    {
+    case ACPI_TYPE_METHOD:
+
+        AcpiOsPrintf ("Executing    ");
+        break;
+
+    default:
+
+        AcpiOsPrintf ("Initializing ");
+        break;
+    }
+
+    /* Print the object type and pathname */
+
+    AcpiOsPrintf ("%-12s  %s",
+        AcpiUtGetTypeName (Type), (char *) Buffer.Pointer);
+
+    /* Extra path is used to append names like _STA, _INI, etc. */
+
+    if (Path)
+    {
+        AcpiOsPrintf (".%s", Path);
+    }
+    AcpiOsPrintf ("\n");
+
+    ACPI_FREE (Buffer.Pointer);
+}
+#endif
