/******************************************************************************
*
* Module Name: aslrestype1 - Miscellaneous small resource descriptors
*
*****************************************************************************/
/******************************************************************************
*
* 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.
*
*****************************************************************************/
#include "aslcompiler.h"
#include "aslcompiler.y.h"
#define _COMPONENT ACPI_COMPILER
ACPI_MODULE_NAME ("aslrestype1")
/*
* This module contains miscellaneous small resource descriptors:
*
* EndTag
* EndDependentFn
* Memory24
* Memory32
* Memory32Fixed
* StartDependentFn
* StartDependentFnNoPri
* VendorShort
*/
/*******************************************************************************
*
* FUNCTION: RsDoEndTagDescriptor
*
* PARAMETERS: Op - Parent resource descriptor parse node
* CurrentByteOffset - Offset into the resource template AML
* buffer (to track references to the desc)
*
* RETURN: Completed resource node
*
* DESCRIPTION: Construct a short "EndDependentFn" descriptor
*
******************************************************************************/
ASL_RESOURCE_NODE *
RsDoEndTagDescriptor (
ACPI_PARSE_OBJECT *Op,
UINT32 CurrentByteOffset)
{
AML_RESOURCE *Descriptor;
ASL_RESOURCE_NODE *Rnode;
Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_END_TAG));
Descriptor = Rnode->Buffer;
Descriptor->EndTag.DescriptorType = ACPI_RESOURCE_NAME_END_TAG |
ASL_RDESC_END_TAG_SIZE;
Descriptor->EndTag.Checksum = 0;
return (Rnode);
}
/*******************************************************************************
*
* FUNCTION: RsDoEndDependentDescriptor
*
* PARAMETERS: Op - Parent resource descriptor parse node
* CurrentByteOffset - Offset into the resource template AML
* buffer (to track references to the desc)
*
* RETURN: Completed resource node
*
* DESCRIPTION: Construct a short "EndDependentFn" descriptor
*
******************************************************************************/
ASL_RESOURCE_NODE *
RsDoEndDependentDescriptor (
ACPI_PARSE_OBJECT *Op,
UINT32 CurrentByteOffset)
{
AML_RESOURCE *Descriptor;
ASL_RESOURCE_NODE *Rnode;
Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_END_DEPENDENT));
Descriptor = Rnode->Buffer;
Descriptor->EndDpf.DescriptorType = ACPI_RESOURCE_NAME_END_DEPENDENT |
ASL_RDESC_END_DEPEND_SIZE;
return (Rnode);
}
/*******************************************************************************
*
* FUNCTION: RsDoMemory24Descriptor
*
* PARAMETERS: Op - Parent resource descriptor parse node
* CurrentByteOffset - Offset into the resource template AML
* buffer (to track references to the desc)
*
* RETURN: Completed resource node
*
* DESCRIPTION: Construct a short "Memory24" descriptor
*
******************************************************************************/
ASL_RESOURCE_NODE *
RsDoMemory24Descriptor (
ACPI_PARSE_OBJECT *Op,
UINT32 CurrentByteOffset)
{
AML_RESOURCE *Descriptor;
ACPI_PARSE_OBJECT *InitializerOp;
ACPI_PARSE_OBJECT *MinOp = NULL;
ACPI_PARSE_OBJECT *MaxOp = NULL;
ACPI_PARSE_OBJECT *LengthOp = NULL;
ACPI_PARSE_OBJECT *AlignOp = NULL;
ASL_RESOURCE_NODE *Rnode;
UINT32 i;
InitializerOp = Op->Asl.Child;
Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_MEMORY24));
Descriptor = Rnode->Buffer;
Descriptor->Memory24.DescriptorType = ACPI_RESOURCE_NAME_MEMORY24;
Descriptor->Memory24.ResourceLength = 9;
/* Process all child initialization nodes */
for (i = 0; InitializerOp; i++)
{
switch (i)
{
case 0: /* Read/Write type */
RsSetFlagBits (&Descriptor->Memory24.Flags, InitializerOp, 0, 1);
RsCreateBitField (InitializerOp, ACPI_RESTAG_READWRITETYPE,
CurrentByteOffset + ASL_RESDESC_OFFSET (Memory24.Flags), 0);
break;
case 1: /* Min Address */
Descriptor->Memory24.Minimum = (UINT16) InitializerOp->Asl.Value.Integer;
RsCreateByteField (InitializerOp, ACPI_RESTAG_MINADDR,
CurrentByteOffset + ASL_RESDESC_OFFSET (Memory24.Minimum));
MinOp = InitializerOp;
break;
case 2: /* Max Address */
Descriptor->Memory24.Maximum = (UINT16) InitializerOp->Asl.Value.Integer;
RsCreateByteField (InitializerOp, ACPI_RESTAG_MAXADDR,
CurrentByteOffset + ASL_RESDESC_OFFSET (Memory24.Maximum));
MaxOp = InitializerOp;
break;
case 3: /* Alignment */
Descriptor->Memory24.Alignment = (UINT16) InitializerOp->Asl.Value.Integer;
RsCreateByteField (InitializerOp, ACPI_RESTAG_ALIGNMENT,
CurrentByteOffset + ASL_RESDESC_OFFSET (Memory24.Alignment));
AlignOp = InitializerOp;
break;
case 4: /* Length */
Descriptor->Memory24.AddressLength = (UINT16) InitializerOp->Asl.Value.Integer;
RsCreateByteField (InitializerOp, ACPI_RESTAG_LENGTH,
CurrentByteOffset + ASL_RESDESC_OFFSET (Memory24.AddressLength));
LengthOp = InitializerOp;
break;
case 5: /* Name */
UtAttachNamepathToOwner (Op, InitializerOp);
break;
default:
AslError (ASL_ERROR, ASL_MSG_RESOURCE_LIST, InitializerOp, NULL);
break;
}
InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
}
/* Validate the Min/Max/Len/Align values (Alignment==0 means 64K) */
RsSmallAddressCheck (ACPI_RESOURCE_NAME_MEMORY24,
Descriptor->Memory24.Minimum,
Descriptor->Memory24.Maximum,
Descriptor->Memory24.AddressLength,
Descriptor->Memory24.Alignment,
MinOp, MaxOp, LengthOp, NULL);
return (Rnode);
}
/*******************************************************************************
*
* FUNCTION: RsDoMemory32Descriptor
*
* PARAMETERS: Op - Parent resource descriptor parse node
* CurrentByteOffset - Offset into the resource template AML
* buffer (to track references to the desc)
*
* RETURN: Completed resource node
*
* DESCRIPTION: Construct a short "Memory32" descriptor
*
******************************************************************************/
ASL_RESOURCE_NODE *
RsDoMemory32Descriptor (
ACPI_PARSE_OBJECT *Op,
UINT32 CurrentByteOffset)
{
AML_RESOURCE *Descriptor;
ACPI_PARSE_OBJECT *InitializerOp;
ACPI_PARSE_OBJECT *MinOp = NULL;
ACPI_PARSE_OBJECT *MaxOp = NULL;
ACPI_PARSE_OBJECT *LengthOp = NULL;
ACPI_PARSE_OBJECT *AlignOp = NULL;
ASL_RESOURCE_NODE *Rnode;
UINT32 i;
InitializerOp = Op->Asl.Child;
Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_MEMORY32));
Descriptor = Rnode->Buffer;
Descriptor->Memory32.DescriptorType = ACPI_RESOURCE_NAME_MEMORY32;
Descriptor->Memory32.ResourceLength = 17;
/* Process all child initialization nodes */
for (i = 0; InitializerOp; i++)
{
switch (i)
{
case 0: /* Read/Write type */
RsSetFlagBits (&Descriptor->Memory32.Flags, InitializerOp, 0, 1);
RsCreateBitField (InitializerOp, ACPI_RESTAG_READWRITETYPE,
CurrentByteOffset + ASL_RESDESC_OFFSET (Memory32.Flags), 0);
break;
case 1: /* Min Address */
Descriptor->Memory32.Minimum = (UINT32) InitializerOp->Asl.Value.Integer;
RsCreateByteField (InitializerOp, ACPI_RESTAG_MINADDR,
CurrentByteOffset + ASL_RESDESC_OFFSET (Memory32.Minimum));
MinOp = InitializerOp;
break;
case 2: /* Max Address */
Descriptor->Memory32.Maximum = (UINT32) InitializerOp->Asl.Value.Integer;
RsCreateByteField (InitializerOp, ACPI_RESTAG_MAXADDR,
CurrentByteOffset + ASL_RESDESC_OFFSET (Memory32.Maximum));
MaxOp = InitializerOp;
break;
case 3: /* Alignment */
Descriptor->Memory32.Alignment = (UINT32) InitializerOp->Asl.Value.Integer;
RsCreateByteField (InitializerOp, ACPI_RESTAG_ALIGNMENT,
CurrentByteOffset + ASL_RESDESC_OFFSET (Memory32.Alignment));
AlignOp = InitializerOp;
break;
case 4: /* Length */
Descriptor->Memory32.AddressLength = (UINT32) InitializerOp->Asl.Value.Integer;
RsCreateByteField (InitializerOp, ACPI_RESTAG_LENGTH,
CurrentByteOffset + ASL_RESDESC_OFFSET (Memory32.AddressLength));
LengthOp = InitializerOp;
break;
case 5: /* Name */
UtAttachNamepathToOwner (Op, InitializerOp);
break;
default:
AslError (ASL_ERROR, ASL_MSG_RESOURCE_LIST, InitializerOp, NULL);
break;
}
InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
}
/* Validate the Min/Max/Len/Align values */
RsSmallAddressCheck (ACPI_RESOURCE_NAME_MEMORY32,
Descriptor->Memory32.Minimum,
Descriptor->Memory32.Maximum,
Descriptor->Memory32.AddressLength,
Descriptor->Memory32.Alignment,
MinOp, MaxOp, LengthOp, AlignOp);
return (Rnode);
}
/*******************************************************************************
*
* FUNCTION: RsDoMemory32FixedDescriptor
*
* PARAMETERS: Op - Parent resource descriptor parse node
* CurrentByteOffset - Offset into the resource template AML
* buffer (to track references to the desc)
*
* RETURN: Completed resource node
*
* DESCRIPTION: Construct a short "Memory32Fixed" descriptor
*
******************************************************************************/
ASL_RESOURCE_NODE *
RsDoMemory32FixedDescriptor (
ACPI_PARSE_OBJECT *Op,
UINT32 CurrentByteOffset)
{
AML_RESOURCE *Descriptor;
ACPI_PARSE_OBJECT *InitializerOp;
ASL_RESOURCE_NODE *Rnode;
UINT32 i;
InitializerOp = Op->Asl.Child;
Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_FIXED_MEMORY32));
Descriptor = Rnode->Buffer;
Descriptor->FixedMemory32.DescriptorType = ACPI_RESOURCE_NAME_FIXED_MEMORY32;
Descriptor->FixedMemory32.ResourceLength = 9;
/* Process all child initialization nodes */
for (i = 0; InitializerOp; i++)
{
switch (i)
{
case 0: /* Read/Write type */
RsSetFlagBits (&Descriptor->FixedMemory32.Flags, InitializerOp, 0, 1);
RsCreateBitField (InitializerOp, ACPI_RESTAG_READWRITETYPE,
CurrentByteOffset + ASL_RESDESC_OFFSET (FixedMemory32.Flags), 0);
break;
case 1: /* Address */
Descriptor->FixedMemory32.Address = (UINT32) InitializerOp->Asl.Value.Integer;
RsCreateByteField (InitializerOp, ACPI_RESTAG_BASEADDRESS,
CurrentByteOffset + ASL_RESDESC_OFFSET (FixedMemory32.Address));
break;
case 2: /* Length */
Descriptor->FixedMemory32.AddressLength = (UINT32) InitializerOp->Asl.Value.Integer;
RsCreateByteField (InitializerOp, ACPI_RESTAG_LENGTH,
CurrentByteOffset + ASL_RESDESC_OFFSET (FixedMemory32.AddressLength));
break;
case 3: /* Name */
UtAttachNamepathToOwner (Op, InitializerOp);
break;
default:
AslError (ASL_ERROR, ASL_MSG_RESOURCE_LIST, InitializerOp, NULL);
break;
}
InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
}
return (Rnode);
}
/*******************************************************************************
*
* FUNCTION: RsDoStartDependentDescriptor
*
* PARAMETERS: Op - Parent resource descriptor parse node
* CurrentByteOffset - Offset into the resource template AML
* buffer (to track references to the desc)
*
* RETURN: Completed resource node
*
* DESCRIPTION: Construct a short "StartDependentFn" descriptor
*
******************************************************************************/
ASL_RESOURCE_NODE *
RsDoStartDependentDescriptor (
ACPI_PARSE_OBJECT *Op,
UINT32 CurrentByteOffset)
{
AML_RESOURCE *Descriptor;
ACPI_PARSE_OBJECT *InitializerOp;
ASL_RESOURCE_NODE *Rnode;
ASL_RESOURCE_NODE *PreviousRnode;
ASL_RESOURCE_NODE *NextRnode;
UINT32 i;
UINT8 State;
InitializerOp = Op->Asl.Child;
Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_START_DEPENDENT));
PreviousRnode = Rnode;
Descriptor = Rnode->Buffer;
/* Descriptor has priority byte */
Descriptor->StartDpf.DescriptorType = ACPI_RESOURCE_NAME_START_DEPENDENT |
(ASL_RDESC_ST_DEPEND_SIZE + 0x01);
/* Process all child initialization nodes */
State = ACPI_RSTATE_START_DEPENDENT;
for (i = 0; InitializerOp; i++)
{
switch (i)
{
case 0: /* Compatibility Priority */
if ((UINT8) InitializerOp->Asl.Value.Integer > 2)
{
AslError (ASL_ERROR, ASL_MSG_INVALID_PRIORITY,
InitializerOp, NULL);
}
RsSetFlagBits (&Descriptor->StartDpf.Flags, InitializerOp, 0, 0);
break;
case 1: /* Performance/Robustness Priority */
if ((UINT8) InitializerOp->Asl.Value.Integer > 2)
{
AslError (ASL_ERROR, ASL_MSG_INVALID_PERFORMANCE,
InitializerOp, NULL);
}
RsSetFlagBits (&Descriptor->StartDpf.Flags, InitializerOp, 2, 0);
break;
default:
NextRnode = RsDoOneResourceDescriptor (InitializerOp,
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,
NextRnode);
break;
}
InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
}
return (Rnode);
}
/*******************************************************************************
*
* FUNCTION: RsDoStartDependentNoPriDescriptor
*
* PARAMETERS: Op - Parent resource descriptor parse node
* CurrentByteOffset - Offset into the resource template AML
* buffer (to track references to the desc)
*
* RETURN: Completed resource node
*
* DESCRIPTION: Construct a short "StartDependentNoPri" descriptor
*
******************************************************************************/
ASL_RESOURCE_NODE *
RsDoStartDependentNoPriDescriptor (
ACPI_PARSE_OBJECT *Op,
UINT32 CurrentByteOffset)
{
AML_RESOURCE *Descriptor;
ACPI_PARSE_OBJECT *InitializerOp;
ASL_RESOURCE_NODE *Rnode;
ASL_RESOURCE_NODE *PreviousRnode;
ASL_RESOURCE_NODE *NextRnode;
UINT8 State;
InitializerOp = Op->Asl.Child;
Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_START_DEPENDENT_NOPRIO));
Descriptor = Rnode->Buffer;
Descriptor->StartDpf.DescriptorType = ACPI_RESOURCE_NAME_START_DEPENDENT |
ASL_RDESC_ST_DEPEND_SIZE;
PreviousRnode = Rnode;
/* Process all child initialization nodes */
State = ACPI_RSTATE_START_DEPENDENT;
while (InitializerOp)
{
NextRnode = RsDoOneResourceDescriptor (InitializerOp,
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, NextRnode);
InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
}
return (Rnode);
}
/*******************************************************************************
*
* FUNCTION: RsDoVendorSmallDescriptor
*
* PARAMETERS: Op - Parent resource descriptor parse node
* CurrentByteOffset - Offset into the resource template AML
* buffer (to track references to the desc)
*
* RETURN: Completed resource node
*
* DESCRIPTION: Construct a short "VendorShort" descriptor
*
******************************************************************************/
ASL_RESOURCE_NODE *
RsDoVendorSmallDescriptor (
ACPI_PARSE_OBJECT *Op,
UINT32 CurrentByteOffset)
{
AML_RESOURCE *Descriptor;
ACPI_PARSE_OBJECT *InitializerOp;
ASL_RESOURCE_NODE *Rnode;
UINT8 *VendorData;
UINT32 i;
InitializerOp = Op->Asl.Child;
/* Allocate worst case - 7 vendor bytes */
Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_VENDOR_SMALL) + 7);
Descriptor = Rnode->Buffer;
Descriptor->VendorSmall.DescriptorType = ACPI_RESOURCE_NAME_VENDOR_SMALL;
VendorData = ((UINT8 *) Descriptor) + sizeof (AML_RESOURCE_SMALL_HEADER);
/* Process all child initialization nodes */
InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
for (i = 0; InitializerOp; i++)
{
if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
{
break;
}
/* Maximum 7 vendor data bytes allowed (0-6) */
if (i >= 7)
{
AslError (ASL_ERROR, ASL_MSG_VENDOR_LIST, InitializerOp, NULL);
/* Eat the excess initializers */
while (InitializerOp)
{
InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
}
break;
}
VendorData[i] = (UINT8) InitializerOp->Asl.Value.Integer;
InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
}
/* Adjust the Rnode buffer size, so correct number of bytes are emitted */
Rnode->BufferLength -= (7 - i);
/* Set the length in the Type Tag */
Descriptor->VendorSmall.DescriptorType |= (UINT8) i;
return (Rnode);
}