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 *

 * Module Name: aslcodegen - AML code generation

 *

 *****************************************************************************/

 *

 * 1. Copyright Notice

 *

 * Some or all of this work - Copyright (c) 1999 - 2011, 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.y.h"

#include "amlcode.h"

        ACPI_MODULE_NAME    ("aslcodegen")

CgAmlWriteWalk (

    ACPI_PARSE_OBJECT       *Op,

    UINT32                  Level,

    void                    *Context);

CgLocalWriteAmlData (

    ACPI_PARSE_OBJECT       *Op,

    void                    *Buffer,

    UINT32                  Length);

CgWriteAmlOpcode (

    ACPI_PARSE_OBJECT       *Op);

CgWriteTableHeader (

    ACPI_PARSE_OBJECT       *Op);

CgCloseTable (

    void);

CgWriteNode (

    ACPI_PARSE_OBJECT       *Op);

 *

 * FUNCTION:    CgGenerateAmlOutput

 *

 * PARAMETERS:  None.

 *

 * RETURN:      None

 *

 * DESCRIPTION: Generate AML code.  Currently generates the listing file

 *              simultaneously.

 *

 ******************************************************************************/

CgGenerateAmlOutput (

    void)

{

    Gbl_SourceLine = 0;

    Gbl_NextError = Gbl_ErrorLog;

        CgAmlWriteWalk, NULL, NULL);

    CgCloseTable ();

}

 *

 * FUNCTION:    CgAmlWriteWalk

 *

 * PARAMETERS:  ASL_WALK_CALLBACK

 *

 * RETURN:      Status

 *

 * DESCRIPTION: Parse tree walk to generate the AML code.

 *

 ******************************************************************************/

CgAmlWriteWalk (

    ACPI_PARSE_OBJECT       *Op,

    UINT32                  Level,

    void                    *Context)

{

     * Print header at level 0. Alignment assumes 32-bit pointers

     */

    if (!Level)

    {

        DbgPrint (ASL_TREE_OUTPUT,

            "Final parse tree used for AML output:\n");

        DbgPrint (ASL_TREE_OUTPUT,

            "%*s Value    P_Op A_Op OpLen PByts Len  SubLen PSubLen OpPtr    Child    Parent   Flags    AcTyp    Final Col L\n",

            76, " ");

    }

        "%5.5d [%2d]", Op->Asl.LogicalLineNumber, Level);

    UtPrintFormattedName (Op->Asl.ParseOpcode, Level);

        Op->Asl.ParseOpcode == PARSEOP_NAMESTRING ||

        Op->Asl.ParseOpcode == PARSEOP_METHODCALL)

    {

        DbgPrint (ASL_TREE_OUTPUT,

            "%10.32s      ", Op->Asl.ExternalName);

    }

    else

    {

        DbgPrint (ASL_TREE_OUTPUT, "                ");

    }

    "%08X %04X %04X %01X     %04X  %04X %04X   %04X    %08X %08X %08X %08X %08X %04X  %02d  %02d\n",

            /* 1  */ (UINT32) Op->Asl.Value.Integer,

            /* 2  */ Op->Asl.ParseOpcode,

            /* 3  */ Op->Asl.AmlOpcode,

            /* 4  */ Op->Asl.AmlOpcodeLength,

            /* 5  */ Op->Asl.AmlPkgLenBytes,

            /* 6  */ Op->Asl.AmlLength,

            /* 7  */ Op->Asl.AmlSubtreeLength,

            /* 8  */ Op->Asl.Parent ? Op->Asl.Parent->Asl.AmlSubtreeLength : 0,

            /* 9  */ Op,

            /* 10 */ Op->Asl.Child,

            /* 11 */ Op->Asl.Parent,

            /* 12 */ Op->Asl.CompileFlags,

            /* 13 */ Op->Asl.AcpiBtype,

            /* 14 */ Op->Asl.FinalAmlLength,

            /* 15 */ Op->Asl.Column,

            /* 16 */ Op->Asl.LineNumber);

    return (AE_OK);

}

 *

 * FUNCTION:    CgLocalWriteAmlData

 *

 * PARAMETERS:  Op              - Current parse op

 *              Buffer          - Buffer to write

 *              Length          - Size of data in buffer

 *

 * RETURN:      None

 *

 * DESCRIPTION: Write a buffer of AML data to the AML output file.

 *

 ******************************************************************************/

CgLocalWriteAmlData (

    ACPI_PARSE_OBJECT       *Op,

    void                    *Buffer,

    UINT32                  Length)

{

    {

        Op->Asl.FinalAmlLength += Length;

    }

}

 *

 * FUNCTION:    CgWriteAmlOpcode

 *

 * PARAMETERS:  Op            - Parse node with an AML opcode

 *

 * RETURN:      None.

 *

 * DESCRIPTION: Write the AML opcode corresponding to a parse node.

 *

 ******************************************************************************/

CgWriteAmlOpcode (

    ACPI_PARSE_OBJECT       *Op)

{

    UINT8                   PkgLenFirstByte;

    UINT32                  i;

    union {

        UINT16                  Opcode;

        UINT8                   OpcodeBytes[2];

    } Aml;

    union {

        UINT32                  Len;

        UINT8                   LenBytes[4];

    } PkgLen;

    {

        return;

    }

    {

    case AML_UNASSIGNED_OPCODE:

        fprintf (stderr, "Found a node with an unassigned AML opcode\n");

        return;

        break;

        break;

        Aml.Opcode = Op->Asl.AmlOpcode;

        break;

    }

    {

    case AML_PACKAGE_LENGTH:

        break;

        {

            /* Write the high byte first */

        }

        break;

    }

    {

        if (Op->Asl.AmlPkgLenBytes == 1)

        {

            /* Simplest case -- no bytes to follow, just write the count */

        }

        else if (Op->Asl.AmlPkgLenBytes != 0)

        {

            /*

             * Encode the "bytes to follow" in the first byte, top two bits.

             * The low-order nybble of the length is in the bottom 4 bits

             */

            PkgLenFirstByte = (UINT8)

                (((UINT32) (Op->Asl.AmlPkgLenBytes - 1) << 6) |

                (PkgLen.LenBytes[0] & 0x0F));

             * Shift the length over by the 4 bits we just stuffed

             * in the first byte

             */

            PkgLen.Len >>= 4;

            {

                CgLocalWriteAmlData (Op, &PkgLen.LenBytes[i], 1);

            }

        }

    }

    {

    case AML_BYTE_OP:

        break;

       break;

        break;

        break;

        break;

        /* All data opcodes must appear above */

        break;

    }

}

 *

 * FUNCTION:    CgWriteTableHeader

 *

 * PARAMETERS:  Op        - The DEFINITIONBLOCK node

 *

 * RETURN:      None

 *

 * DESCRIPTION: Write a table header corresponding to the DEFINITIONBLOCK

 *

 ******************************************************************************/

CgWriteTableHeader (

    ACPI_PARSE_OBJECT       *Op)

{

    ACPI_PARSE_OBJECT       *Child;

    strncpy (TableHeader.Signature, Child->Asl.Value.String, 4);

    TableHeader.Revision = (UINT8) Child->Asl.Value.Integer;

    {

        TableHeader.Revision = Gbl_RevisionOverride;

    }

    strncpy (TableHeader.OemId, Child->Asl.Value.String, 6);

    strncpy (TableHeader.OemTableId, Child->Asl.Value.String, 8);

    TableHeader.OemRevision = (UINT32) Child->Asl.Value.Integer;

    TableHeader.Checksum = 0;

}

 *

 * FUNCTION:    CgCloseTable

 *

 * PARAMETERS:  None.

 *

 * RETURN:      None.

 *

 * DESCRIPTION: Complete the ACPI table by calculating the checksum and

 *              re-writing the header.

 *

 ******************************************************************************/

CgCloseTable (

    void)

{

    signed char         Sum;

    UINT8               FileByte;

    Sum = 0;

    {

        Sum = (signed char) (Sum + FileByte);

    }

    CgLocalWriteAmlData (NULL, &TableHeader, sizeof (ACPI_TABLE_HEADER));

}

 *

 * FUNCTION:    CgWriteNode

 *

 * PARAMETERS:  Op            - Parse node to write.

 *

 * RETURN:      None.

 *

 * DESCRIPTION: Write the AML that corresponds to a parse node.

 *

 ******************************************************************************/

CgWriteNode (

    ACPI_PARSE_OBJECT       *Op)

{

    ASL_RESOURCE_NODE       *Rnode;

    /* TBD: this may not be the best place for this check */

        (Op->Asl.ParseOpcode == PARSEOP_EXTERNAL)     ||

        (Op->Asl.ParseOpcode == PARSEOP_INCLUDE)      ||

        (Op->Asl.ParseOpcode == PARSEOP_INCLUDE_END))

    {

        return;

    }

    {

    case AML_RAW_DATA_BYTE:

    case AML_RAW_DATA_WORD:

    case AML_RAW_DATA_DWORD:

    case AML_RAW_DATA_QWORD:

        return;

        return;

        while (Rnode)

        {

            CgLocalWriteAmlData (Op, Rnode->Buffer, Rnode->BufferLength);

            Rnode = Rnode->Next;

        }

        return;

        /* Internal data opcodes must all appear above */

        break;

    }

    {

    case PARSEOP_DEFAULT_ARG:

        break;

    case PARSEOP_NAMESTRING:

    case PARSEOP_METHODCALL:

        break;

        break;

    }

}