Import compiler/ files from acpica 0619

1 files changed, 632 insertions, 0 deletions

diff --git a/sys/contrib/dev/acpica/compiler/aslresource.c b/sys/contrib/dev/acpica/compiler/aslresource.c
new file mode 100644
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--- /dev/null
+++ b/sys/contrib/dev/acpica/compiler/aslresource.c
@@ -0,0 +1,632 @@
+
+/******************************************************************************
+ *
+ * Module Name: aslresource - Resource templates and descriptors
+ *              $Revision: 31 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2003, 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.
+ *
+ *****************************************************************************/
+
+
+#include "aslcompiler.h"
+#include "aslcompiler.y.h"
+#include "amlcode.h"
+
+
+#define _COMPONENT          ACPI_COMPILER
+        ACPI_MODULE_NAME    ("aslresource")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    RsAllocateResourceNode
+ *
+ * PARAMETERS:  Size        - Size of node in bytes
+ *
+ * RETURN:      The allocated node - aborts on allocation failure
+ *
+ * DESCRIPTION: Allocate a resource description node and the resource
+ *              descriptor itself (the nodes are used to link descriptors).
+ *
+ ******************************************************************************/
+
+ASL_RESOURCE_NODE *
+RsAllocateResourceNode (
+    UINT32                  Size)
+{
+    ASL_RESOURCE_NODE       *Rnode;
+
+
+    /* Allocate the node */
+
+    Rnode = UtLocalCalloc (sizeof (ASL_RESOURCE_NODE));
+
+    /* Allocate the resource descriptor itself */
+
+    Rnode->Buffer = UtLocalCalloc (Size);
+    Rnode->BufferLength = Size;
+
+    return (Rnode);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    RsCreateBitField
+ *
+ * PARAMETERS:  Op            - Resource field node
+ *              Name            - Name of the field (Used only to reference
+ *                                the field in the ASL, not in the AML)
+ *              ByteOffset      - Offset from the field start
+ *              BitOffset       - Additional bit offset
+ *
+ * RETURN:      None, sets fields within the input node
+ *
+ * DESCRIPTION: Utility function to generate a named bit field within a
+ *              resource descriptor.  Mark a node as 1) a field in a resource
+ *              descriptor, and 2) set the value to be a BIT offset
+ *
+ ******************************************************************************/
+
+void
+RsCreateBitField (
+    ACPI_PARSE_OBJECT       *Op,
+    char                    *Name,
+    UINT32                  ByteOffset,
+    UINT32                  BitOffset)
+{
+
+    Op->Asl.ExternalName      = Name;
+    Op->Asl.Value.Integer     = (ByteOffset * 8) + BitOffset;
+    Op->Asl.CompileFlags     |= (NODE_IS_RESOURCE_FIELD | NODE_IS_BIT_OFFSET);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    RsCreateByteField
+ *
+ * PARAMETERS:  Op            - Resource field node
+ *              Name            - Name of the field (Used only to reference
+ *                                the field in the ASL, not in the AML)
+ *              ByteOffset      - Offset from the field start
+ *
+ * RETURN:      None, sets fields within the input node
+ *
+ * DESCRIPTION: Utility function to generate a named byte field within a
+ *              resource descriptor.  Mark a node as 1) a field in a resource
+ *              descriptor, and 2) set the value to be a BYTE offset
+ *
+ ******************************************************************************/
+
+void
+RsCreateByteField (
+    ACPI_PARSE_OBJECT       *Op,
+    char                    *Name,
+    UINT32                  ByteOffset)
+{
+
+    Op->Asl.ExternalName      = Name;
+    Op->Asl.Value.Integer     = ByteOffset;
+    Op->Asl.CompileFlags     |= NODE_IS_RESOURCE_FIELD;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    RsSetFlagBits
+ *
+ * PARAMETERS:  *Flags          - Pointer to the flag byte
+ *              Op            - Flag initialization node
+ *              Position        - Bit position within the flag byte
+ *              Default         - Used if the node is DEFAULT.
+ *
+ * RETURN:      Sets bits within the *Flags output byte.
+ *
+ * DESCRIPTION: Set a bit in a cumulative flags word from an initialization
+ *              node.  Will use a default value if the node is DEFAULT, meaning
+ *              that no value was specified in the ASL.  Used to merge multiple
+ *              keywords into a single flags byte.
+ *
+ ******************************************************************************/
+
+void
+RsSetFlagBits (
+    UINT8                   *Flags,
+    ACPI_PARSE_OBJECT       *Op,
+    UINT8                   Position,
+    UINT8                   DefaultBit)
+{
+
+    if (Op->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
+    {
+        /* Use the default bit */
+
+        *Flags |= (DefaultBit << Position);
+    }
+    else
+    {
+        /* Use the bit specified in the initialization node */
+
+        *Flags |= (((UINT8) Op->Asl.Value.Integer) << Position);
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    RsCompleteNodeAndGetNext
+ *
+ * PARAMETERS:  Op            - Resource node to be completed
+ *
+ * RETURN:      The next peer to the input node.
+ *
+ * DESCRIPTION: Mark the current node completed and return the next peer.
+ *              The node ParseOpcode is set to DEFAULT_ARG, meaning that
+ *              this node is to be ignored from now on.
+ *
+ ******************************************************************************/
+
+ACPI_PARSE_OBJECT *
+RsCompleteNodeAndGetNext (
+    ACPI_PARSE_OBJECT       *Op)
+{
+
+    /* Mark this node unused */
+
+    Op->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
+
+    /* Move on to the next peer node in the initializer list */
+
+    return (ASL_GET_PEER_NODE (Op));
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    RsDoOneResourceDescriptor
+ *
+ * PARAMETERS:  DescriptorTypeOp    - Parent parse node of the descriptor
+ *              CurrentByteOffset   - Offset in the resource descriptor
+ *                                    buffer.
+ *
+ * RETURN:      A valid resource node for the descriptor
+ *
+ * DESCRIPTION: Dispatches the processing of one resource descriptor
+ *
+ ******************************************************************************/
+
+ASL_RESOURCE_NODE *
+RsDoOneResourceDescriptor (
+    ACPI_PARSE_OBJECT       *DescriptorTypeOp,
+    UINT32                  CurrentByteOffset,
+    UINT8                   *State)
+{
+    ASL_RESOURCE_NODE       *Rnode = NULL;
+
+
+    /* Determine type of resource */
+
+    switch (DescriptorTypeOp->Asl.ParseOpcode)
+    {
+    case PARSEOP_DMA:
+        Rnode = RsDoDmaDescriptor (DescriptorTypeOp, CurrentByteOffset);
+        break;
+
+    case PARSEOP_DWORDIO:
+        Rnode = RsDoDwordIoDescriptor (DescriptorTypeOp, CurrentByteOffset);
+        break;
+
+    case PARSEOP_DWORDMEMORY:
+        Rnode = RsDoDwordMemoryDescriptor (DescriptorTypeOp, CurrentByteOffset);
+        break;
+
+    case PARSEOP_ENDDEPENDENTFN:
+        switch (*State)
+        {
+        case ACPI_RSTATE_NORMAL:
+            AslError (ASL_ERROR, ASL_MSG_MISSING_STARTDEPENDENT, DescriptorTypeOp, NULL);
+            break;
+
+        case ACPI_RSTATE_START_DEPENDENT:
+            AslError (ASL_ERROR, ASL_MSG_DEPENDENT_NESTING, DescriptorTypeOp, NULL);
+            break;
+
+        case ACPI_RSTATE_DEPENDENT_LIST:
+        default:
+            break;
+        }
+
+        *State = ACPI_RSTATE_NORMAL;
+        Rnode = RsDoEndDependentDescriptor (DescriptorTypeOp, CurrentByteOffset);
+        break;
+
+    case PARSEOP_FIXEDIO:
+        Rnode = RsDoFixedIoDescriptor (DescriptorTypeOp, CurrentByteOffset);
+        break;
+
+    case PARSEOP_INTERRUPT:
+        Rnode = RsDoInterruptDescriptor (DescriptorTypeOp, CurrentByteOffset);
+        break;
+
+    case PARSEOP_IO:
+        Rnode = RsDoIoDescriptor (DescriptorTypeOp, CurrentByteOffset);
+        break;
+
+    case PARSEOP_IRQ:
+        Rnode = RsDoIrqDescriptor (DescriptorTypeOp, CurrentByteOffset);
+        break;
+
+    case PARSEOP_IRQNOFLAGS:
+        Rnode = RsDoIrqNoFlagsDescriptor (DescriptorTypeOp, CurrentByteOffset);
+        break;
+
+    case PARSEOP_MEMORY24:
+        Rnode = RsDoMemory24Descriptor (DescriptorTypeOp, CurrentByteOffset);
+        break;
+
+    case PARSEOP_MEMORY32:
+        Rnode = RsDoMemory32Descriptor (DescriptorTypeOp, CurrentByteOffset);
+        break;
+
+    case PARSEOP_MEMORY32FIXED:
+        Rnode = RsDoMemory32FixedDescriptor (DescriptorTypeOp, CurrentByteOffset);
+        break;
+
+    case PARSEOP_QWORDIO:
+        Rnode = RsDoQwordIoDescriptor (DescriptorTypeOp, CurrentByteOffset);
+        break;
+
+    case PARSEOP_QWORDMEMORY:
+        Rnode = RsDoQwordMemoryDescriptor (DescriptorTypeOp, CurrentByteOffset);
+        break;
+
+    case PARSEOP_REGISTER:
+        Rnode = RsDoGeneralRegisterDescriptor (DescriptorTypeOp, CurrentByteOffset);
+        break;
+
+    case PARSEOP_STARTDEPENDENTFN:
+        switch (*State)
+        {
+        case ACPI_RSTATE_START_DEPENDENT:
+            AslError (ASL_ERROR, ASL_MSG_DEPENDENT_NESTING, DescriptorTypeOp, NULL);
+            break;
+
+        case ACPI_RSTATE_NORMAL:
+        case ACPI_RSTATE_DEPENDENT_LIST:
+        default:
+            break;
+        }
+
+        *State = ACPI_RSTATE_START_DEPENDENT;
+        Rnode = RsDoStartDependentDescriptor (DescriptorTypeOp, CurrentByteOffset);
+        *State = ACPI_RSTATE_DEPENDENT_LIST;
+        break;
+
+    case PARSEOP_STARTDEPENDENTFN_NOPRI:
+        switch (*State)
+        {
+        case ACPI_RSTATE_START_DEPENDENT:
+            AslError (ASL_ERROR, ASL_MSG_DEPENDENT_NESTING, DescriptorTypeOp, NULL);
+            break;
+
+        case ACPI_RSTATE_NORMAL:
+        case ACPI_RSTATE_DEPENDENT_LIST:
+        default:
+            break;
+        }
+
+        *State = ACPI_RSTATE_START_DEPENDENT;
+        Rnode = RsDoStartDependentNoPriDescriptor (DescriptorTypeOp, CurrentByteOffset);
+        *State = ACPI_RSTATE_DEPENDENT_LIST;
+        break;
+
+    case PARSEOP_VENDORLONG:
+        Rnode = RsDoVendorLargeDescriptor (DescriptorTypeOp, CurrentByteOffset);
+        break;
+
+    case PARSEOP_VENDORSHORT:
+        Rnode = RsDoVendorSmallDescriptor (DescriptorTypeOp, CurrentByteOffset);
+        break;
+
+    case PARSEOP_WORDBUSNUMBER:
+        Rnode = RsDoWordBusNumberDescriptor (DescriptorTypeOp, CurrentByteOffset);
+        break;
+
+    case PARSEOP_WORDIO:
+        Rnode = RsDoWordIoDescriptor (DescriptorTypeOp, CurrentByteOffset);
+        break;
+
+    case PARSEOP_DEFAULT_ARG:
+        /* Just ignore any of these, they are used as fillers/placeholders */
+        break;
+
+    default:
+        printf ("Unknown resource descriptor type [%s]\n",
+                    DescriptorTypeOp->Asl.ParseOpName);
+        break;
+    }
+
+    /*
+     * Mark original node as unused, but head of a resource descriptor.
+     * This allows the resource to be installed in the namespace so that
+     * references to the descriptor can be resolved.
+     */
+    DescriptorTypeOp->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
+    DescriptorTypeOp->Asl.CompileFlags = NODE_IS_RESOURCE_DESC;
+
+    return (Rnode);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    RsLinkDescriptorChain
+ *
+ * PARAMETERS:  PreviousRnode       - Pointer to the node that will be previous
+ *                                    to the linked node,  At exit, set to the
+ *                                    last node in the new chain.
+ *              Rnode               - Resource node to link into the list
+ *
+ * RETURN:      Cumulative buffer byte offset of the new segment of chain
+ *
+ * DESCRIPTION: Link a descriptor chain at the end of an existing chain.
+ *
+ ******************************************************************************/
+
+UINT32
+RsLinkDescriptorChain (
+    ASL_RESOURCE_NODE       **PreviousRnode,
+    ASL_RESOURCE_NODE       *Rnode)
+{
+    ASL_RESOURCE_NODE       *LastRnode;
+    UINT32                  CurrentByteOffset;
+
+
+    /* Anything to do? */
+
+    if (!Rnode)
+    {
+        return 0;
+    }
+
+    /* Point the previous node to the new node */
+
+    (*PreviousRnode)->Next = Rnode;
+    CurrentByteOffset = Rnode->BufferLength;
+
+    /* Walk to the end of the chain headed by Rnode */
+
+    LastRnode = Rnode;
+    while (LastRnode->Next)
+    {
+        LastRnode = LastRnode->Next;
+        CurrentByteOffset += LastRnode->BufferLength;
+    }
+
+    /* Previous node becomes the last node in the chain */
+
+    *PreviousRnode = LastRnode;
+    return CurrentByteOffset;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    RsDoResourceTemplate
+ *
+ * PARAMETERS:  Op        - Parent of a resource template list
+ *
+ * RETURN:      None.  Sets input node to point to a list of AML code
+ *
+ * DESCRIPTION: Merge a list of resource descriptors into a single AML buffer,
+ *              in preparation for output to the AML output file.
+ *
+ ******************************************************************************/
+
+void
+RsDoResourceTemplate (
+    ACPI_PARSE_OBJECT       *Op)
+{
+    ACPI_PARSE_OBJECT       *BufferLengthOp;
+    ACPI_PARSE_OBJECT       *BufferOp;
+    ACPI_PARSE_OBJECT       *DescriptorTypeOp;
+    ACPI_PARSE_OBJECT       *LastOp = NULL;
+    ASL_RESOURCE_DESC       *Descriptor;
+    UINT32                  CurrentByteOffset = 0;
+    ASL_RESOURCE_NODE       HeadRnode;
+    ASL_RESOURCE_NODE       *PreviousRnode;
+    ASL_RESOURCE_NODE       *Rnode;
+    UINT8                   State;
+
+
+    /* ResourceTemplate Opcode is first (Op) */
+    /* Buffer Length node is first child */
+
+    BufferLengthOp = ASL_GET_CHILD_NODE (Op);
+
+    /* Buffer Op is first peer */
+
+    BufferOp = ASL_GET_PEER_NODE (BufferLengthOp);
+
+    /* First Descriptor type is next */
+
+    DescriptorTypeOp = ASL_GET_PEER_NODE (BufferOp);
+
+    /* Process all resource descriptors in the list */
+
+    State = ACPI_RSTATE_NORMAL;
+    PreviousRnode = &HeadRnode;
+    while (DescriptorTypeOp)
+    {
+        Rnode = RsDoOneResourceDescriptor (DescriptorTypeOp, CurrentByteOffset, &State);
+
+        /*
+         * Update current byte offset to indicate the number of bytes from the
+         * start of the buffer.  Buffer can include multiple descriptors, we
+         * must keep track of the offset of not only each descriptor, but each
+         * element (field) within each descriptor as well.
+         */
+        CurrentByteOffset += RsLinkDescriptorChain (&PreviousRnode, Rnode);
+
+        /* Get the next descriptor in the list */
+
+        LastOp = DescriptorTypeOp;
+        DescriptorTypeOp = ASL_GET_PEER_NODE (DescriptorTypeOp);
+    }
+
+    if (State == ACPI_RSTATE_DEPENDENT_LIST)
+    {
+        if (LastOp)
+        {
+            LastOp = LastOp->Asl.Parent;
+        }
+        AslError (ASL_ERROR, ASL_MSG_MISSING_ENDDEPENDENT, LastOp, NULL);
+    }
+
+    /*
+     * Insert the EndTag descriptor after all other descriptors have been processed
+     */
+    Rnode = RsAllocateResourceNode (sizeof (ASL_END_TAG_DESC));
+
+    Descriptor = Rnode->Buffer;
+    Descriptor->Et.DescriptorType = ACPI_RDESC_TYPE_END_TAG |
+                                        ASL_RDESC_END_TAG_SIZE;
+    Descriptor->Et.Checksum = 0;
+
+    CurrentByteOffset += RsLinkDescriptorChain (&PreviousRnode, Rnode);
+
+    /*
+     * Transform the nodes into the following
+     *
+     * Op           -> AML_BUFFER_OP
+     * First Child  -> BufferLength
+     * Second Child -> Descriptor Buffer (raw byte data)
+     */
+    Op->Asl.ParseOpcode               = PARSEOP_BUFFER;
+    Op->Asl.AmlOpcode                 = AML_BUFFER_OP;
+    Op->Asl.CompileFlags              = NODE_AML_PACKAGE;
+
+    BufferLengthOp->Asl.ParseOpcode   = PARSEOP_INTEGER;
+    BufferLengthOp->Asl.Value.Integer = CurrentByteOffset;
+
+    (void) OpcSetOptimalIntegerSize (BufferLengthOp);
+
+    BufferOp->Asl.ParseOpcode         = PARSEOP_RAW_DATA;
+    BufferOp->Asl.AmlOpcode           = AML_RAW_DATA_CHAIN;
+    BufferOp->Asl.AmlOpcodeLength     = 0;
+    BufferOp->Asl.AmlLength           = CurrentByteOffset;
+    BufferOp->Asl.Value.Buffer        = (UINT8 *) HeadRnode.Next;
+
+    return;
+}
+
+