Import ACPICA 20120215.

1 files changed, 782 insertions, 0 deletions

diff --git a/source/compiler/asltransform.c b/source/compiler/asltransform.c
new file mode 100644
index 0000000..4a5900f
--- /dev/null
+++ b/source/compiler/asltransform.c
@@ -0,0 +1,782 @@
+
+/******************************************************************************
+ *
+ * Module Name: asltransform - Parse tree transforms
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, 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.
+ */
+
+
+#include "aslcompiler.h"
+#include "aslcompiler.y.h"
+
+#define _COMPONENT          ACPI_COMPILER
+        ACPI_MODULE_NAME    ("asltransform")
+
+/* Local prototypes */
+
+static void
+TrTransformSubtree (
+    ACPI_PARSE_OBJECT       *Op);
+
+static char *
+TrAmlGetNextTempName (
+    ACPI_PARSE_OBJECT       *Op,
+    UINT8                   *TempCount);
+
+static void
+TrAmlInitLineNumbers (
+    ACPI_PARSE_OBJECT       *Op,
+    ACPI_PARSE_OBJECT       *Neighbor);
+
+static void
+TrAmlInitNode (
+    ACPI_PARSE_OBJECT       *Op,
+    UINT16                  ParseOpcode);
+
+static void
+TrAmlSetSubtreeParent (
+    ACPI_PARSE_OBJECT       *Op,
+    ACPI_PARSE_OBJECT       *Parent);
+
+static void
+TrAmlInsertPeer (
+    ACPI_PARSE_OBJECT       *Op,
+    ACPI_PARSE_OBJECT       *NewPeer);
+
+static void
+TrDoDefinitionBlock (
+    ACPI_PARSE_OBJECT       *Op);
+
+static void
+TrDoSwitch (
+    ACPI_PARSE_OBJECT       *StartNode);
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    TrAmlGetNextTempName
+ *
+ * PARAMETERS:  Op              - Current parse op
+ *              TempCount       - Current temporary counter. Was originally
+ *                                per-module; Currently per method, could be
+ *                                expanded to per-scope.
+ *
+ * RETURN:      A pointer to name (allocated here).
+ *
+ * DESCRIPTION: Generate an ACPI name of the form _T_x.  These names are
+ *              reserved for use by the ASL compiler. (_T_0 through _T_Z)
+ *
+ ******************************************************************************/
+
+static char *
+TrAmlGetNextTempName (
+    ACPI_PARSE_OBJECT       *Op,
+    UINT8                   *TempCount)
+{
+    char                    *TempName;
+
+
+    if (*TempCount >= (10+26))  /* 0-35 valid: 0-9 and A-Z for TempName[3] */
+    {
+        /* Too many temps */
+
+        AslError (ASL_ERROR, ASL_MSG_TOO_MANY_TEMPS, Op, NULL);
+        return (NULL);
+    }
+
+    TempName = UtLocalCalloc (5);
+
+    if (*TempCount < 10)    /* 0-9 */
+    {
+        TempName[3] = (char) (*TempCount + '0');
+    }
+    else                    /* 10-35: A-Z */
+    {
+        TempName[3] = (char) (*TempCount + ('A' - 10));
+    }
+    (*TempCount)++;
+
+    /* First three characters are always "_T_" */
+
+    TempName[0] = '_';
+    TempName[1] = 'T';
+    TempName[2] = '_';
+
+    return (TempName);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    TrAmlInitLineNumbers
+ *
+ * PARAMETERS:  Op              - Op to be initialized
+ *              Neighbor        - Op used for initialization values
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Initialized the various line numbers for a parse node.
+ *
+ ******************************************************************************/
+
+static void
+TrAmlInitLineNumbers (
+    ACPI_PARSE_OBJECT       *Op,
+    ACPI_PARSE_OBJECT       *Neighbor)
+{
+
+    Op->Asl.EndLine           = Neighbor->Asl.EndLine;
+    Op->Asl.EndLogicalLine    = Neighbor->Asl.EndLogicalLine;
+    Op->Asl.LineNumber        = Neighbor->Asl.LineNumber;
+    Op->Asl.LogicalByteOffset = Neighbor->Asl.LogicalByteOffset;
+    Op->Asl.LogicalLineNumber = Neighbor->Asl.LogicalLineNumber;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    TrAmlInitNode
+ *
+ * PARAMETERS:  Op              - Op to be initialized
+ *              ParseOpcode     - Opcode for this node
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Initialize a node with the parse opcode and opcode name.
+ *
+ ******************************************************************************/
+
+static void
+TrAmlInitNode (
+    ACPI_PARSE_OBJECT       *Op,
+    UINT16                  ParseOpcode)
+{
+
+    Op->Asl.ParseOpcode = ParseOpcode;
+    UtSetParseOpName (Op);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    TrAmlSetSubtreeParent
+ *
+ * PARAMETERS:  Op              - First node in a list of peer nodes
+ *              Parent          - Parent of the subtree
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Set the parent for all peer nodes in a subtree
+ *
+ ******************************************************************************/
+
+static void
+TrAmlSetSubtreeParent (
+    ACPI_PARSE_OBJECT       *Op,
+    ACPI_PARSE_OBJECT       *Parent)
+{
+    ACPI_PARSE_OBJECT       *Next;
+
+
+    Next = Op;
+    while (Next)
+    {
+        Next->Asl.Parent = Parent;
+        Next             = Next->Asl.Next;
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    TrAmlInsertPeer
+ *
+ * PARAMETERS:  Op              - First node in a list of peer nodes
+ *              NewPeer         - Peer node to insert
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Insert a new peer node into a list of peers.
+ *
+ ******************************************************************************/
+
+static void
+TrAmlInsertPeer (
+    ACPI_PARSE_OBJECT       *Op,
+    ACPI_PARSE_OBJECT       *NewPeer)
+{
+
+    NewPeer->Asl.Next = Op->Asl.Next;
+    Op->Asl.Next      = NewPeer;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    TrAmlTransformWalk
+ *
+ * PARAMETERS:  ASL_WALK_CALLBACK
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Parse tree walk to generate both the AML opcodes and the AML
+ *              operands.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+TrAmlTransformWalk (
+    ACPI_PARSE_OBJECT       *Op,
+    UINT32                  Level,
+    void                    *Context)
+{
+
+    TrTransformSubtree (Op);
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    TrTransformSubtree
+ *
+ * PARAMETERS:  Op        - The parent parse node
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Prepare nodes to be output as AML data and operands.  The more
+ *              complex AML opcodes require processing of the child nodes
+ *              (arguments/operands).
+ *
+ ******************************************************************************/
+
+static void
+TrTransformSubtree (
+    ACPI_PARSE_OBJECT           *Op)
+{
+
+    if (Op->Asl.AmlOpcode == AML_RAW_DATA_BYTE)
+    {
+        return;
+    }
+
+    switch (Op->Asl.ParseOpcode)
+    {
+    case PARSEOP_DEFINITIONBLOCK:
+        TrDoDefinitionBlock (Op);
+        break;
+
+    case PARSEOP_SWITCH:
+        TrDoSwitch (Op);
+        break;
+
+    case PARSEOP_METHOD:
+
+        /*
+         * TBD: Zero the tempname (_T_x) count. Probably shouldn't be a global,
+         * however
+         */
+        Gbl_TempCount = 0;
+        break;
+
+    default:
+        /* Nothing to do here for other opcodes */
+        break;
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    TrDoDefinitionBlock
+ *
+ * PARAMETERS:  Op        - Parse node
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Find the end of the definition block and set a global to this
+ *              node.  It is used by the compiler to insert compiler-generated
+ *              names at the root level of the namespace.
+ *
+ ******************************************************************************/
+
+static void
+TrDoDefinitionBlock (
+    ACPI_PARSE_OBJECT       *Op)
+{
+    ACPI_PARSE_OBJECT       *Next;
+    UINT32                  i;
+
+
+    Next = Op->Asl.Child;
+    for (i = 0; i < 5; i++)
+    {
+        Next = Next->Asl.Next;
+        if (i == 0)
+        {
+            /*
+             * This is the table signature. Only the DSDT can be assumed
+             * to be at the root of the namespace;  Therefore, namepath
+             * optimization can only be performed on the DSDT.
+             */
+            if (!ACPI_COMPARE_NAME (Next->Asl.Value.String, ACPI_SIG_DSDT))
+            {
+                Gbl_ReferenceOptimizationFlag = FALSE;
+            }
+        }
+    }
+
+    Gbl_FirstLevelInsertionNode = Next;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    TrDoSwitch
+ *
+ * PARAMETERS:  StartNode        - Parse node for SWITCH
+ *
+ * RETURN:      None
+ *
+ *
+ * DESCRIPTION: Translate ASL SWITCH statement to if/else pairs.  There is
+ *              no actual AML opcode for SWITCH -- it must be simulated.
+ *
+ ******************************************************************************/
+
+static void
+TrDoSwitch (
+    ACPI_PARSE_OBJECT       *StartNode)
+{
+    ACPI_PARSE_OBJECT       *Next;
+    ACPI_PARSE_OBJECT       *CaseOp = NULL;
+    ACPI_PARSE_OBJECT       *CaseBlock = NULL;
+    ACPI_PARSE_OBJECT       *DefaultOp = NULL;
+    ACPI_PARSE_OBJECT       *CurrentParentNode;
+    ACPI_PARSE_OBJECT       *Conditional = NULL;
+    ACPI_PARSE_OBJECT       *Predicate;
+    ACPI_PARSE_OBJECT       *Peer;
+    ACPI_PARSE_OBJECT       *NewOp;
+    ACPI_PARSE_OBJECT       *NewOp2;
+    ACPI_PARSE_OBJECT       *MethodOp;
+    ACPI_PARSE_OBJECT       *StoreOp;
+    ACPI_PARSE_OBJECT       *BreakOp;
+    ACPI_PARSE_OBJECT       *BufferOp;
+    char                    *PredicateValueName;
+    UINT16                  Index;
+    UINT32                  Btype;
+
+
+    /* Start node is the Switch() node */
+
+    CurrentParentNode  = StartNode;
+
+    /* Create a new temp name of the form _T_x */
+
+    PredicateValueName = TrAmlGetNextTempName (StartNode, &Gbl_TempCount);
+    if (!PredicateValueName)
+    {
+        return;
+    }
+
+    /* First child is the Switch() predicate */
+
+    Next = StartNode->Asl.Child;
+
+    /*
+     * Examine the return type of the Switch Value -
+     * must be Integer/Buffer/String
+     */
+    Index = (UINT16) (Next->Asl.ParseOpcode - ASL_PARSE_OPCODE_BASE);
+    Btype = AslKeywordMapping[Index].AcpiBtype;
+    if ((Btype != ACPI_BTYPE_INTEGER) &&
+        (Btype != ACPI_BTYPE_STRING)  &&
+        (Btype != ACPI_BTYPE_BUFFER))
+    {
+        AslError (ASL_WARNING, ASL_MSG_SWITCH_TYPE, Next, NULL);
+        Btype = ACPI_BTYPE_INTEGER;
+    }
+
+    /* CASE statements start at next child */
+
+    Peer = Next->Asl.Next;
+    while (Peer)
+    {
+        Next = Peer;
+        Peer = Next->Asl.Next;
+
+        if (Next->Asl.ParseOpcode == PARSEOP_CASE)
+        {
+            if (CaseOp)
+            {
+                /* Add an ELSE to complete the previous CASE */
+
+                if (!Conditional)
+                {
+                    return;
+                }
+                NewOp             = TrCreateLeafNode (PARSEOP_ELSE);
+                NewOp->Asl.Parent = Conditional->Asl.Parent;
+                TrAmlInitLineNumbers (NewOp, NewOp->Asl.Parent);
+
+                /* Link ELSE node as a peer to the previous IF */
+
+                TrAmlInsertPeer (Conditional, NewOp);
+                CurrentParentNode = NewOp;
+            }
+
+            CaseOp      = Next;
+            Conditional = CaseOp;
+            CaseBlock   = CaseOp->Asl.Child->Asl.Next;
+            Conditional->Asl.Child->Asl.Next = NULL;
+            Predicate = CaseOp->Asl.Child;
+
+            if ((Predicate->Asl.ParseOpcode == PARSEOP_PACKAGE) ||
+                (Predicate->Asl.ParseOpcode == PARSEOP_VAR_PACKAGE))
+            {
+                /*
+                 * Convert the package declaration to this form:
+                 *
+                 * If (LNotEqual (Match (Package(<size>){<data>},
+                 *                       MEQ, _T_x, MTR, Zero, Zero), Ones))
+                 */
+                NewOp2              = TrCreateLeafNode (PARSEOP_MATCHTYPE_MEQ);
+                Predicate->Asl.Next = NewOp2;
+                TrAmlInitLineNumbers (NewOp2, Conditional);
+
+                NewOp               = NewOp2;
+                NewOp2              = TrCreateValuedLeafNode (PARSEOP_NAMESTRING,
+                                        (UINT64) ACPI_TO_INTEGER (PredicateValueName));
+                NewOp->Asl.Next     = NewOp2;
+                TrAmlInitLineNumbers (NewOp2, Predicate);
+
+                NewOp               = NewOp2;
+                NewOp2              = TrCreateLeafNode (PARSEOP_MATCHTYPE_MTR);
+                NewOp->Asl.Next     = NewOp2;
+                TrAmlInitLineNumbers (NewOp2, Predicate);
+
+                NewOp               = NewOp2;
+                NewOp2              = TrCreateLeafNode (PARSEOP_ZERO);
+                NewOp->Asl.Next     = NewOp2;
+                TrAmlInitLineNumbers (NewOp2, Predicate);
+
+                NewOp               = NewOp2;
+                NewOp2              = TrCreateLeafNode (PARSEOP_ZERO);
+                NewOp->Asl.Next     = NewOp2;
+                TrAmlInitLineNumbers (NewOp2, Predicate);
+
+                NewOp2              = TrCreateLeafNode (PARSEOP_MATCH);
+                NewOp2->Asl.Child   = Predicate;  /* PARSEOP_PACKAGE */
+                TrAmlInitLineNumbers (NewOp2, Conditional);
+                TrAmlSetSubtreeParent (Predicate, NewOp2);
+
+                NewOp               = NewOp2;
+                NewOp2              = TrCreateLeafNode (PARSEOP_ONES);
+                NewOp->Asl.Next     = NewOp2;
+                TrAmlInitLineNumbers (NewOp2, Conditional);
+
+                NewOp2              = TrCreateLeafNode (PARSEOP_LEQUAL);
+                NewOp2->Asl.Child   = NewOp;
+                NewOp->Asl.Parent   = NewOp2;
+                TrAmlInitLineNumbers (NewOp2, Conditional);
+                TrAmlSetSubtreeParent (NewOp, NewOp2);
+
+                NewOp               = NewOp2;
+                NewOp2              = TrCreateLeafNode (PARSEOP_LNOT);
+                NewOp2->Asl.Child   = NewOp;
+                NewOp2->Asl.Parent  = Conditional;
+                NewOp->Asl.Parent   = NewOp2;
+                TrAmlInitLineNumbers (NewOp2, Conditional);
+
+                Conditional->Asl.Child = NewOp2;
+                NewOp2->Asl.Next = CaseBlock;
+            }
+            else
+            {
+                /*
+                 * Integer and Buffer case.
+                 *
+                 * Change CaseOp() to:  If (LEqual (SwitchValue, CaseValue)) {...}
+                 * Note: SwitchValue is first to allow the CaseValue to be implicitly
+                 * converted to the type of SwitchValue if necessary.
+                 *
+                 * CaseOp->Child is the case value
+                 * CaseOp->Child->Peer is the beginning of the case block
+                 */
+                NewOp = TrCreateValuedLeafNode (PARSEOP_NAMESTRING,
+                            (UINT64) ACPI_TO_INTEGER (PredicateValueName));
+                NewOp->Asl.Next = Predicate;
+                TrAmlInitLineNumbers (NewOp, Predicate);
+
+                NewOp2              = TrCreateLeafNode (PARSEOP_LEQUAL);
+                NewOp2->Asl.Parent  = Conditional;
+                NewOp2->Asl.Child   = NewOp;
+                TrAmlInitLineNumbers (NewOp2, Conditional);
+
+                TrAmlSetSubtreeParent (NewOp, NewOp2);
+
+                Predicate           = NewOp2;
+                Predicate->Asl.Next = CaseBlock;
+
+                TrAmlSetSubtreeParent (Predicate, Conditional);
+                Conditional->Asl.Child = Predicate;
+            }
+
+            /* Reinitialize the CASE node to an IF node */
+
+            TrAmlInitNode (Conditional, PARSEOP_IF);
+
+            /*
+             * The first CASE(IF) is not nested under an ELSE.
+             * All other CASEs are children of a parent ELSE.
+             */
+            if (CurrentParentNode == StartNode)
+            {
+                Conditional->Asl.Next = NULL;
+            }
+            else
+            {
+                /*
+                 * The IF is a child of previous IF/ELSE.  It
+                 * is therefore without peer.
+                 */
+                CurrentParentNode->Asl.Child = Conditional;
+                Conditional->Asl.Parent      = CurrentParentNode;
+                Conditional->Asl.Next        = NULL;
+            }
+        }
+        else if (Next->Asl.ParseOpcode == PARSEOP_DEFAULT)
+        {
+            if (DefaultOp)
+            {
+                /*
+                 * More than one Default
+                 * (Parser does not catch this, must check here)
+                 */
+                AslError (ASL_ERROR, ASL_MSG_MULTIPLE_DEFAULT, Next, NULL);
+            }
+            else
+            {
+                /* Save the DEFAULT node for later, after CASEs */
+
+                DefaultOp = Next;
+            }
+        }
+        else
+        {
+            /* Unknown peer opcode */
+
+            AcpiOsPrintf ("Unknown parse opcode for switch statement: %s (%u)\n",
+                        Next->Asl.ParseOpName, Next->Asl.ParseOpcode);
+        }
+    }
+
+    /* Add the default case at the end of the if/else construct */
+
+    if (DefaultOp)
+    {
+        /* If no CASE statements, this is an error - see below */
+
+        if (CaseOp)
+        {
+            /* Convert the DEFAULT node to an ELSE */
+
+            if (!Conditional)
+            {
+                return;
+            }
+
+            TrAmlInitNode (DefaultOp, PARSEOP_ELSE);
+            DefaultOp->Asl.Parent = Conditional->Asl.Parent;
+
+            /* Link ELSE node as a peer to the previous IF */
+
+            TrAmlInsertPeer (Conditional, DefaultOp);
+        }
+    }
+
+    if (!CaseOp)
+    {
+        AslError (ASL_ERROR, ASL_MSG_NO_CASES, StartNode, NULL);
+    }
+
+
+    /*
+     * Create a Name(_T_x, ...) statement. This statement must appear at the
+     * method level, in case a loop surrounds the switch statement and could
+     * cause the name to be created twice (error).
+     */
+
+    /* Create the Name node */
+
+    Predicate = StartNode->Asl.Child;
+    NewOp = TrCreateLeafNode (PARSEOP_NAME);
+    TrAmlInitLineNumbers (NewOp, StartNode);
+
+    /* Find the parent method */
+
+    Next = StartNode;
+    while ((Next->Asl.ParseOpcode != PARSEOP_METHOD) &&
+           (Next->Asl.ParseOpcode != PARSEOP_DEFINITIONBLOCK))
+    {
+        Next = Next->Asl.Parent;
+    }
+    MethodOp = Next;
+
+    NewOp->Asl.CompileFlags |= NODE_COMPILER_EMITTED;
+    NewOp->Asl.Parent = Next;
+
+    /* Insert name after the method name and arguments */
+
+    Next = Next->Asl.Child; /* Name */
+    Next = Next->Asl.Next;  /* NumArgs */
+    Next = Next->Asl.Next;  /* SerializeRule */
+
+    /*
+     * If method is not Serialized, we must make is so, because of the way
+     * that Switch() must be implemented -- we cannot allow multiple threads
+     * to execute this method concurrently since we need to create local
+     * temporary name(s).
+     */
+    if (Next->Asl.ParseOpcode != PARSEOP_SERIALIZERULE_SERIAL)
+    {
+        AslError (ASL_REMARK, ASL_MSG_SERIALIZED, MethodOp, "Due to use of Switch operator");
+        Next->Asl.ParseOpcode = PARSEOP_SERIALIZERULE_SERIAL;
+    }
+
+    Next = Next->Asl.Next;  /* SyncLevel */
+    Next = Next->Asl.Next;  /* ReturnType */
+    Next = Next->Asl.Next;  /* ParameterTypes */
+
+    TrAmlInsertPeer (Next, NewOp);
+    TrAmlInitLineNumbers (NewOp, Next);
+
+    /* Create the NameSeg child for the Name node */
+
+    NewOp2 = TrCreateValuedLeafNode (PARSEOP_NAMESEG,
+                (UINT64) ACPI_TO_INTEGER (PredicateValueName));
+    TrAmlInitLineNumbers (NewOp2, NewOp);
+    NewOp2->Asl.CompileFlags |= NODE_IS_NAME_DECLARATION;
+    NewOp->Asl.Child  = NewOp2;
+
+    /* Create the initial value for the Name. Btype was already validated above */
+
+    switch (Btype)
+    {
+    case ACPI_BTYPE_INTEGER:
+        NewOp2->Asl.Next = TrCreateValuedLeafNode (PARSEOP_ZERO,
+                                (UINT64) 0);
+        TrAmlInitLineNumbers (NewOp2->Asl.Next, NewOp);
+        break;
+
+    case ACPI_BTYPE_STRING:
+        NewOp2->Asl.Next = TrCreateValuedLeafNode (PARSEOP_STRING_LITERAL,
+                                (UINT64) ACPI_TO_INTEGER (""));
+        TrAmlInitLineNumbers (NewOp2->Asl.Next, NewOp);
+        break;
+
+    case ACPI_BTYPE_BUFFER:
+        (void) TrLinkPeerNode (NewOp2, TrCreateValuedLeafNode (PARSEOP_BUFFER,
+                                    (UINT64) 0));
+        Next = NewOp2->Asl.Next;
+        TrAmlInitLineNumbers (Next, NewOp2);
+        (void) TrLinkChildren (Next, 1, TrCreateValuedLeafNode (PARSEOP_ZERO,
+                                    (UINT64) 1));
+        TrAmlInitLineNumbers (Next->Asl.Child, Next);
+
+        BufferOp = TrCreateValuedLeafNode (PARSEOP_DEFAULT_ARG, (UINT64) 0);
+        TrAmlInitLineNumbers (BufferOp, Next->Asl.Child);
+        (void) TrLinkPeerNode (Next->Asl.Child, BufferOp);
+
+        TrAmlSetSubtreeParent (Next->Asl.Child, Next);
+        break;
+
+    default:
+        break;
+    }
+
+    TrAmlSetSubtreeParent (NewOp2, NewOp);
+
+    /*
+     * Transform the Switch() into a While(One)-Break node.
+     * And create a Store() node which will be used to save the
+     * Switch() value.  The store is of the form: Store (Value, _T_x)
+     * where _T_x is the temp variable.
+     */
+    TrAmlInitNode (StartNode, PARSEOP_WHILE);
+    NewOp = TrCreateLeafNode (PARSEOP_ONE);
+    TrAmlInitLineNumbers (NewOp, StartNode);
+    NewOp->Asl.Next = Predicate->Asl.Next;
+    NewOp->Asl.Parent = StartNode;
+    StartNode->Asl.Child = NewOp;
+
+    /* Create a Store() node */
+
+    StoreOp = TrCreateLeafNode (PARSEOP_STORE);
+    TrAmlInitLineNumbers (StoreOp, NewOp);
+    StoreOp->Asl.Parent = StartNode;
+    TrAmlInsertPeer (NewOp, StoreOp);
+
+    /* Complete the Store subtree */
+
+    StoreOp->Asl.Child = Predicate;
+    Predicate->Asl.Parent = StoreOp;
+
+    NewOp = TrCreateValuedLeafNode (PARSEOP_NAMESEG,
+                (UINT64) ACPI_TO_INTEGER (PredicateValueName));
+    TrAmlInitLineNumbers (NewOp, StoreOp);
+    NewOp->Asl.Parent    = StoreOp;
+    Predicate->Asl.Next  = NewOp;
+
+    /* Create a Break() node and insert it into the end of While() */
+
+    Conditional = StartNode->Asl.Child;
+    while (Conditional->Asl.Next)
+    {
+        Conditional = Conditional->Asl.Next;
+    }
+
+    BreakOp = TrCreateLeafNode (PARSEOP_BREAK);
+    TrAmlInitLineNumbers (BreakOp, NewOp);
+    BreakOp->Asl.Parent = StartNode;
+    TrAmlInsertPeer (Conditional, BreakOp);
+}
+
+