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+/******************************************************************************
+ *
+ * Module Name: nsrepair2 - Repair for objects returned by specific
+ * predefined methods
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2010, 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.
+ *
+ *****************************************************************************/
+
+#define __NSREPAIR2_C__
+
+#include <contrib/dev/acpica/include/acpi.h>
+#include <contrib/dev/acpica/include/accommon.h>
+#include <contrib/dev/acpica/include/acnamesp.h>
+
+#define _COMPONENT ACPI_NAMESPACE
+ ACPI_MODULE_NAME ("nsrepair2")
+
+
+/*
+ * Information structure and handler for ACPI predefined names that can
+ * be repaired on a per-name basis.
+ */
+typedef
+ACPI_STATUS (*ACPI_REPAIR_FUNCTION) (
+ ACPI_PREDEFINED_DATA *Data,
+ ACPI_OPERAND_OBJECT **ReturnObjectPtr);
+
+typedef struct acpi_repair_info
+{
+ char Name[ACPI_NAME_SIZE];
+ ACPI_REPAIR_FUNCTION RepairFunction;
+
+} ACPI_REPAIR_INFO;
+
+
+/* Local prototypes */
+
+static const ACPI_REPAIR_INFO *
+AcpiNsMatchRepairableName (
+ ACPI_NAMESPACE_NODE *Node);
+
+static ACPI_STATUS
+AcpiNsRepair_ALR (
+ ACPI_PREDEFINED_DATA *Data,
+ ACPI_OPERAND_OBJECT **ReturnObjectPtr);
+
+static ACPI_STATUS
+AcpiNsRepair_FDE (
+ ACPI_PREDEFINED_DATA *Data,
+ ACPI_OPERAND_OBJECT **ReturnObjectPtr);
+
+static ACPI_STATUS
+AcpiNsRepair_PSS (
+ ACPI_PREDEFINED_DATA *Data,
+ ACPI_OPERAND_OBJECT **ReturnObjectPtr);
+
+static ACPI_STATUS
+AcpiNsRepair_TSS (
+ ACPI_PREDEFINED_DATA *Data,
+ ACPI_OPERAND_OBJECT **ReturnObjectPtr);
+
+static ACPI_STATUS
+AcpiNsCheckSortedList (
+ ACPI_PREDEFINED_DATA *Data,
+ ACPI_OPERAND_OBJECT *ReturnObject,
+ UINT32 ExpectedCount,
+ UINT32 SortIndex,
+ UINT8 SortDirection,
+ char *SortKeyName);
+
+static void
+AcpiNsSortList (
+ ACPI_OPERAND_OBJECT **Elements,
+ UINT32 Count,
+ UINT32 Index,
+ UINT8 SortDirection);
+
+/* Values for SortDirection above */
+
+#define ACPI_SORT_ASCENDING 0
+#define ACPI_SORT_DESCENDING 1
+
+
+/*
+ * This table contains the names of the predefined methods for which we can
+ * perform more complex repairs.
+ *
+ * As necessary:
+ *
+ * _ALR: Sort the list ascending by AmbientIlluminance
+ * _FDE: Convert Buffer of BYTEs to a Buffer of DWORDs
+ * _GTM: Convert Buffer of BYTEs to a Buffer of DWORDs
+ * _PSS: Sort the list descending by Power
+ * _TSS: Sort the list descending by Power
+ */
+static const ACPI_REPAIR_INFO AcpiNsRepairableNames[] =
+{
+ {"_ALR", AcpiNsRepair_ALR},
+ {"_FDE", AcpiNsRepair_FDE},
+ {"_GTM", AcpiNsRepair_FDE}, /* _GTM has same repair as _FDE */
+ {"_PSS", AcpiNsRepair_PSS},
+ {"_TSS", AcpiNsRepair_TSS},
+ {{0,0,0,0}, NULL} /* Table terminator */
+};
+
+
+#define ACPI_FDE_FIELD_COUNT 5
+#define ACPI_FDE_BYTE_BUFFER_SIZE 5
+#define ACPI_FDE_DWORD_BUFFER_SIZE (ACPI_FDE_FIELD_COUNT * sizeof (UINT32))
+
+
+/******************************************************************************
+ *
+ * FUNCTION: AcpiNsComplexRepairs
+ *
+ * PARAMETERS: Data - Pointer to validation data structure
+ * Node - Namespace node for the method/object
+ * ValidateStatus - Original status of earlier validation
+ * ReturnObjectPtr - Pointer to the object returned from the
+ * evaluation of a method or object
+ *
+ * RETURN: Status. AE_OK if repair was successful. If name is not
+ * matched, ValidateStatus is returned.
+ *
+ * DESCRIPTION: Attempt to repair/convert a return object of a type that was
+ * not expected.
+ *
+ *****************************************************************************/
+
+ACPI_STATUS
+AcpiNsComplexRepairs (
+ ACPI_PREDEFINED_DATA *Data,
+ ACPI_NAMESPACE_NODE *Node,
+ ACPI_STATUS ValidateStatus,
+ ACPI_OPERAND_OBJECT **ReturnObjectPtr)
+{
+ const ACPI_REPAIR_INFO *Predefined;
+ ACPI_STATUS Status;
+
+
+ /* Check if this name is in the list of repairable names */
+
+ Predefined = AcpiNsMatchRepairableName (Node);
+ if (!Predefined)
+ {
+ return (ValidateStatus);
+ }
+
+ Status = Predefined->RepairFunction (Data, ReturnObjectPtr);
+ return (Status);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION: AcpiNsMatchRepairableName
+ *
+ * PARAMETERS: Node - Namespace node for the method/object
+ *
+ * RETURN: Pointer to entry in repair table. NULL indicates not found.
+ *
+ * DESCRIPTION: Check an object name against the repairable object list.
+ *
+ *****************************************************************************/
+
+static const ACPI_REPAIR_INFO *
+AcpiNsMatchRepairableName (
+ ACPI_NAMESPACE_NODE *Node)
+{
+ const ACPI_REPAIR_INFO *ThisName;
+
+
+ /* Search info table for a repairable predefined method/object name */
+
+ ThisName = AcpiNsRepairableNames;
+ while (ThisName->RepairFunction)
+ {
+ if (ACPI_COMPARE_NAME (Node->Name.Ascii, ThisName->Name))
+ {
+ return (ThisName);
+ }
+ ThisName++;
+ }
+
+ return (NULL); /* Not found */
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION: AcpiNsRepair_ALR
+ *
+ * PARAMETERS: Data - Pointer to validation data structure
+ * ReturnObjectPtr - Pointer to the object returned from the
+ * evaluation of a method or object
+ *
+ * RETURN: Status. AE_OK if object is OK or was repaired successfully
+ *
+ * DESCRIPTION: Repair for the _ALR object. If necessary, sort the object list
+ * ascending by the ambient illuminance values.
+ *
+ *****************************************************************************/
+
+static ACPI_STATUS
+AcpiNsRepair_ALR (
+ ACPI_PREDEFINED_DATA *Data,
+ ACPI_OPERAND_OBJECT **ReturnObjectPtr)
+{
+ ACPI_OPERAND_OBJECT *ReturnObject = *ReturnObjectPtr;
+ ACPI_STATUS Status;
+
+
+ Status = AcpiNsCheckSortedList (Data, ReturnObject, 2, 1,
+ ACPI_SORT_ASCENDING, "AmbientIlluminance");
+
+ return (Status);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION: AcpiNsRepair_FDE
+ *
+ * PARAMETERS: Data - Pointer to validation data structure
+ * ReturnObjectPtr - Pointer to the object returned from the
+ * evaluation of a method or object
+ *
+ * RETURN: Status. AE_OK if object is OK or was repaired successfully
+ *
+ * DESCRIPTION: Repair for the _FDE and _GTM objects. The expected return
+ * value is a Buffer of 5 DWORDs. This function repairs a common
+ * problem where the return value is a Buffer of BYTEs, not
+ * DWORDs.
+ *
+ *****************************************************************************/
+
+static ACPI_STATUS
+AcpiNsRepair_FDE (
+ ACPI_PREDEFINED_DATA *Data,
+ ACPI_OPERAND_OBJECT **ReturnObjectPtr)
+{
+ ACPI_OPERAND_OBJECT *ReturnObject = *ReturnObjectPtr;
+ ACPI_OPERAND_OBJECT *BufferObject;
+ UINT8 *ByteBuffer;
+ UINT32 *DwordBuffer;
+ UINT32 i;
+
+
+ ACPI_FUNCTION_NAME (NsRepair_FDE);
+
+
+ switch (ReturnObject->Common.Type)
+ {
+ case ACPI_TYPE_BUFFER:
+
+ /* This is the expected type. Length should be (at least) 5 DWORDs */
+
+ if (ReturnObject->Buffer.Length >= ACPI_FDE_DWORD_BUFFER_SIZE)
+ {
+ return (AE_OK);
+ }
+
+ /* We can only repair if we have exactly 5 BYTEs */
+
+ if (ReturnObject->Buffer.Length != ACPI_FDE_BYTE_BUFFER_SIZE)
+ {
+ ACPI_WARN_PREDEFINED ((AE_INFO, Data->Pathname, Data->NodeFlags,
+ "Incorrect return buffer length %u, expected %u",
+ ReturnObject->Buffer.Length, ACPI_FDE_DWORD_BUFFER_SIZE));
+
+ return (AE_AML_OPERAND_TYPE);
+ }
+
+ /* Create the new (larger) buffer object */
+
+ BufferObject = AcpiUtCreateBufferObject (ACPI_FDE_DWORD_BUFFER_SIZE);
+ if (!BufferObject)
+ {
+ return (AE_NO_MEMORY);
+ }
+
+ /* Expand each byte to a DWORD */
+
+ ByteBuffer = ReturnObject->Buffer.Pointer;
+ DwordBuffer = ACPI_CAST_PTR (UINT32, BufferObject->Buffer.Pointer);
+
+ for (i = 0; i < ACPI_FDE_FIELD_COUNT; i++)
+ {
+ *DwordBuffer = (UINT32) *ByteBuffer;
+ DwordBuffer++;
+ ByteBuffer++;
+ }
+
+ ACPI_DEBUG_PRINT ((ACPI_DB_REPAIR,
+ "%s Expanded Byte Buffer to expected DWord Buffer\n",
+ Data->Pathname));
+ break;
+
+ default:
+ return (AE_AML_OPERAND_TYPE);
+ }
+
+ /* Delete the original return object, return the new buffer object */
+
+ AcpiUtRemoveReference (ReturnObject);
+ *ReturnObjectPtr = BufferObject;
+
+ Data->Flags |= ACPI_OBJECT_REPAIRED;
+ return (AE_OK);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION: AcpiNsRepair_TSS
+ *
+ * PARAMETERS: Data - Pointer to validation data structure
+ * ReturnObjectPtr - Pointer to the object returned from the
+ * evaluation of a method or object
+ *
+ * RETURN: Status. AE_OK if object is OK or was repaired successfully
+ *
+ * DESCRIPTION: Repair for the _TSS object. If necessary, sort the object list
+ * descending by the power dissipation values.
+ *
+ *****************************************************************************/
+
+static ACPI_STATUS
+AcpiNsRepair_TSS (
+ ACPI_PREDEFINED_DATA *Data,
+ ACPI_OPERAND_OBJECT **ReturnObjectPtr)
+{
+ ACPI_OPERAND_OBJECT *ReturnObject = *ReturnObjectPtr;
+ ACPI_STATUS Status;
+
+
+ Status = AcpiNsCheckSortedList (Data, ReturnObject, 5, 1,
+ ACPI_SORT_DESCENDING, "PowerDissipation");
+
+ return (Status);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION: AcpiNsRepair_PSS
+ *
+ * PARAMETERS: Data - Pointer to validation data structure
+ * ReturnObjectPtr - Pointer to the object returned from the
+ * evaluation of a method or object
+ *
+ * RETURN: Status. AE_OK if object is OK or was repaired successfully
+ *
+ * DESCRIPTION: Repair for the _PSS object. If necessary, sort the object list
+ * by the CPU frequencies. Check that the power dissipation values
+ * are all proportional to CPU frequency (i.e., sorting by
+ * frequency should be the same as sorting by power.)
+ *
+ *****************************************************************************/
+
+static ACPI_STATUS
+AcpiNsRepair_PSS (
+ ACPI_PREDEFINED_DATA *Data,
+ ACPI_OPERAND_OBJECT **ReturnObjectPtr)
+{
+ ACPI_OPERAND_OBJECT *ReturnObject = *ReturnObjectPtr;
+ ACPI_OPERAND_OBJECT **OuterElements;
+ UINT32 OuterElementCount;
+ ACPI_OPERAND_OBJECT **Elements;
+ ACPI_OPERAND_OBJECT *ObjDesc;
+ UINT32 PreviousValue;
+ ACPI_STATUS Status;
+ UINT32 i;
+
+
+ /*
+ * Entries (sub-packages) in the _PSS Package must be sorted by power
+ * dissipation, in descending order. If it appears that the list is
+ * incorrectly sorted, sort it. We sort by CpuFrequency, since this
+ * should be proportional to the power.
+ */
+ Status =AcpiNsCheckSortedList (Data, ReturnObject, 6, 0,
+ ACPI_SORT_DESCENDING, "CpuFrequency");
+ if (ACPI_FAILURE (Status))
+ {
+ return (Status);
+ }
+
+ /*
+ * We now know the list is correctly sorted by CPU frequency. Check if
+ * the power dissipation values are proportional.
+ */
+ PreviousValue = ACPI_UINT32_MAX;
+ OuterElements = ReturnObject->Package.Elements;
+ OuterElementCount = ReturnObject->Package.Count;
+
+ for (i = 0; i < OuterElementCount; i++)
+ {
+ Elements = (*OuterElements)->Package.Elements;
+ ObjDesc = Elements[1]; /* Index1 = PowerDissipation */
+
+ if ((UINT32) ObjDesc->Integer.Value > PreviousValue)
+ {
+ ACPI_WARN_PREDEFINED ((AE_INFO, Data->Pathname, Data->NodeFlags,
+ "SubPackage[%u,%u] - suspicious power dissipation values",
+ i-1, i));
+ }
+
+ PreviousValue = (UINT32) ObjDesc->Integer.Value;
+ OuterElements++;
+ }
+
+ return (AE_OK);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION: AcpiNsCheckSortedList
+ *
+ * PARAMETERS: Data - Pointer to validation data structure
+ * ReturnObject - Pointer to the top-level returned object
+ * ExpectedCount - Minimum length of each sub-package
+ * SortIndex - Sub-package entry to sort on
+ * SortDirection - Ascending or descending
+ * SortKeyName - Name of the SortIndex field
+ *
+ * RETURN: Status. AE_OK if the list is valid and is sorted correctly or
+ * has been repaired by sorting the list.
+ *
+ * DESCRIPTION: Check if the package list is valid and sorted correctly by the
+ * SortIndex. If not, then sort the list.
+ *
+ *****************************************************************************/
+
+static ACPI_STATUS
+AcpiNsCheckSortedList (
+ ACPI_PREDEFINED_DATA *Data,
+ ACPI_OPERAND_OBJECT *ReturnObject,
+ UINT32 ExpectedCount,
+ UINT32 SortIndex,
+ UINT8 SortDirection,
+ char *SortKeyName)
+{
+ UINT32 OuterElementCount;
+ ACPI_OPERAND_OBJECT **OuterElements;
+ ACPI_OPERAND_OBJECT **Elements;
+ ACPI_OPERAND_OBJECT *ObjDesc;
+ UINT32 i;
+ UINT32 PreviousValue;
+
+
+ ACPI_FUNCTION_NAME (NsCheckSortedList);
+
+
+ /* The top-level object must be a package */
+
+ if (ReturnObject->Common.Type != ACPI_TYPE_PACKAGE)
+ {
+ return (AE_AML_OPERAND_TYPE);
+ }
+
+ /*
+ * NOTE: assumes list of sub-packages contains no NULL elements.
+ * Any NULL elements should have been removed by earlier call
+ * to AcpiNsRemoveNullElements.
+ */
+ OuterElements = ReturnObject->Package.Elements;
+ OuterElementCount = ReturnObject->Package.Count;
+ if (!OuterElementCount)
+ {
+ return (AE_AML_PACKAGE_LIMIT);
+ }
+
+ PreviousValue = 0;
+ if (SortDirection == ACPI_SORT_DESCENDING)
+ {
+ PreviousValue = ACPI_UINT32_MAX;
+ }
+
+ /* Examine each subpackage */
+
+ for (i = 0; i < OuterElementCount; i++)
+ {
+ /* Each element of the top-level package must also be a package */
+
+ if ((*OuterElements)->Common.Type != ACPI_TYPE_PACKAGE)
+ {
+ return (AE_AML_OPERAND_TYPE);
+ }
+
+ /* Each sub-package must have the minimum length */
+
+ if ((*OuterElements)->Package.Count < ExpectedCount)
+ {
+ return (AE_AML_PACKAGE_LIMIT);
+ }
+
+ Elements = (*OuterElements)->Package.Elements;
+ ObjDesc = Elements[SortIndex];
+
+ if (ObjDesc->Common.Type != ACPI_TYPE_INTEGER)
+ {
+ return (AE_AML_OPERAND_TYPE);
+ }
+
+ /*
+ * The list must be sorted in the specified order. If we detect a
+ * discrepancy, sort the entire list.
+ */
+ if (((SortDirection == ACPI_SORT_ASCENDING) &&
+ (ObjDesc->Integer.Value < PreviousValue)) ||
+ ((SortDirection == ACPI_SORT_DESCENDING) &&
+ (ObjDesc->Integer.Value > PreviousValue)))
+ {
+ AcpiNsSortList (ReturnObject->Package.Elements,
+ OuterElementCount, SortIndex, SortDirection);
+
+ Data->Flags |= ACPI_OBJECT_REPAIRED;
+
+ ACPI_DEBUG_PRINT ((ACPI_DB_REPAIR,
+ "%s: Repaired unsorted list - now sorted by %s\n",
+ Data->Pathname, SortKeyName));
+ return (AE_OK);
+ }
+
+ PreviousValue = (UINT32) ObjDesc->Integer.Value;
+ OuterElements++;
+ }
+
+ return (AE_OK);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION: AcpiNsSortList
+ *
+ * PARAMETERS: Elements - Package object element list
+ * Count - Element count for above
+ * Index - Sort by which package element
+ * SortDirection - Ascending or Descending sort
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Sort the objects that are in a package element list.
+ *
+ * NOTE: Assumes that all NULL elements have been removed from the package,
+ * and that all elements have been verified to be of type Integer.
+ *
+ *****************************************************************************/
+
+static void
+AcpiNsSortList (
+ ACPI_OPERAND_OBJECT **Elements,
+ UINT32 Count,
+ UINT32 Index,
+ UINT8 SortDirection)
+{
+ ACPI_OPERAND_OBJECT *ObjDesc1;
+ ACPI_OPERAND_OBJECT *ObjDesc2;
+ ACPI_OPERAND_OBJECT *TempObj;
+ UINT32 i;
+ UINT32 j;
+
+
+ /* Simple bubble sort */
+
+ for (i = 1; i < Count; i++)
+ {
+ for (j = (Count - 1); j >= i; j--)
+ {
+ ObjDesc1 = Elements[j-1]->Package.Elements[Index];
+ ObjDesc2 = Elements[j]->Package.Elements[Index];
+
+ if (((SortDirection == ACPI_SORT_ASCENDING) &&
+ (ObjDesc1->Integer.Value > ObjDesc2->Integer.Value)) ||
+
+ ((SortDirection == ACPI_SORT_DESCENDING) &&
+ (ObjDesc1->Integer.Value < ObjDesc2->Integer.Value)))
+ {
+ TempObj = Elements[j-1];
+ Elements[j-1] = Elements[j];
+ Elements[j] = TempObj;
+ }
+ }
+ }
+}
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