WebSVN – Kolibri OS – Diff – /drivers/devman/acpica/common/dmextern.c


/******************************************************************************
 *
 * Module Name: dmextern - Support for External() ASL statements
 *
 *****************************************************************************/
 
/******************************************************************************
 *
 * 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 "acpi.h"
#include "accommon.h"
#include "amlcode.h"
#include "acnamesp.h"
#include "acdisasm.h"
 
 
/*
 * This module is used for application-level code (iASL disassembler) only.
 *
 * It contains the code to create and emit any necessary External() ASL
 * statements for the module being disassembled.
 */
#define _COMPONENT          ACPI_CA_DISASSEMBLER
        ACPI_MODULE_NAME    ("dmextern")
 
 
/*
 * This table maps ACPI_OBJECT_TYPEs to the corresponding ASL
 * ObjectTypeKeyword. Used to generate typed external declarations
 */
static const char           *AcpiGbl_DmTypeNames[] =
{
    /* 00 */ "",                    /* Type ANY */
    /* 01 */ ", IntObj",
    /* 02 */ ", StrObj",
    /* 03 */ ", BuffObj",
    /* 04 */ ", PkgObj",
    /* 05 */ ", FieldUnitObj",
    /* 06 */ ", DeviceObj",
    /* 07 */ ", EventObj",
    /* 08 */ ", MethodObj",
    /* 09 */ ", MutexObj",
    /* 10 */ ", OpRegionObj",
    /* 11 */ ", PowerResObj",
    /* 12 */ ", ProcessorObj",
    /* 13 */ ", ThermalZoneObj",
    /* 14 */ ", BuffFieldObj",
    /* 15 */ ", DDBHandleObj",
    /* 16 */ "",                    /* Debug object */
    /* 17 */ ", FieldUnitObj",
    /* 18 */ ", FieldUnitObj",
    /* 19 */ ", FieldUnitObj"
};
 
 
/* Local prototypes */
 
static const char *
AcpiDmGetObjectTypeName (
    ACPI_OBJECT_TYPE        Type);
 
static char *
AcpiDmNormalizeParentPrefix (
    ACPI_PARSE_OBJECT       *Op,
    char                    *Path);
 
 
/*******************************************************************************
 *
 * FUNCTION:    AcpiDmGetObjectTypeName
 *
 * PARAMETERS:  Type                - An ACPI_OBJECT_TYPE
 *
 * RETURN:      Pointer to a string
 *
 * DESCRIPTION: Map an object type to the ASL object type string.
 *
 ******************************************************************************/
 
static const char *
AcpiDmGetObjectTypeName (
    ACPI_OBJECT_TYPE        Type)
{
 
    if (Type == ACPI_TYPE_LOCAL_SCOPE)
    {
        Type = ACPI_TYPE_DEVICE;
    }
 
    else if (Type > ACPI_TYPE_LOCAL_INDEX_FIELD)
    {
        return ("");
    }
 
    return (AcpiGbl_DmTypeNames[Type]);
}
 
 
/*******************************************************************************
 *
 * FUNCTION:    AcpiDmNormalizeParentPrefix
 *
 * PARAMETERS:  Op                  - Parse op
 *              Path                - Path with parent prefix
 *
 * RETURN:      The full pathname to the object (from the namespace root)
 *
 * DESCRIPTION: Returns the full pathname of a path with parent prefix
 *              The caller must free the fullpath returned.
 *
 ******************************************************************************/
 
static char *
AcpiDmNormalizeParentPrefix (
    ACPI_PARSE_OBJECT       *Op,
    char                    *Path)
{
    ACPI_NAMESPACE_NODE     *Node;
    char                    *Fullpath;
    char                    *ParentPath;
    ACPI_SIZE               Length;
 
 
    /* Search upwards in the parse tree until we reach a namespace node */
 
    while (Op)
    {
        if (Op->Common.Node)
        {
            break;
        }
 
        Op = Op->Common.Parent;
    }
 
    if (!Op)
    {
        return (NULL);
    }
 
    /*
     * Find the actual parent node for the reference:
     * Remove all carat prefixes from the input path.
     * There may be multiple parent prefixes (For example, ^^^M000)
     */
    Node = Op->Common.Node;
    while (Node && (*Path == (UINT8) AML_PARENT_PREFIX))
    {
        Node = Node->Parent;
        Path++;
    }
 
    if (!Node)
    {
        return (NULL);
    }
 
    /* Get the full pathname for the parent node */
 
    ParentPath = AcpiNsGetExternalPathname (Node);
    if (!ParentPath)
    {
        return (NULL);
    }
 
    Length = (ACPI_STRLEN (ParentPath) + ACPI_STRLEN (Path) + 1);
    if (ParentPath[1])
    {
        /*
         * If ParentPath is not just a simple '\', increment the length
         * for the required dot separator (ParentPath.Path)
         */
        Length++;
    }
 
    Fullpath = ACPI_ALLOCATE_ZEROED (Length);
    if (!Fullpath)
    {
        goto Cleanup;
    }
 
    /*
     * Concatenate parent fullpath and path. For example,
     * parent fullpath "\_SB_", Path "^INIT", Fullpath "\_SB_.INIT"
     *
     * Copy the parent path
     */
    ACPI_STRCAT (Fullpath, ParentPath);
 
    /* Add dot separator (don't need dot if parent fullpath is a single "\") */
 
    if (ParentPath[1])
    {
        ACPI_STRCAT (Fullpath, ".");
    }
 
    /* Copy child path (carat parent prefix(es) were skipped above) */
 
    ACPI_STRCAT (Fullpath, Path);
 
Cleanup:
    ACPI_FREE (ParentPath);
    return (Fullpath);
}
 
 
/*******************************************************************************
 *
 * FUNCTION:    AcpiDmAddToExternalFileList
 *
 * PARAMETERS:  PathList            - Single path or list separated by comma
 *
 * RETURN:      None
 *
 * DESCRIPTION: Add external files to global list
 *
 ******************************************************************************/
 
ACPI_STATUS
AcpiDmAddToExternalFileList (
    char                    *PathList)
{
    ACPI_EXTERNAL_FILE      *ExternalFile;
    char                    *Path;
    char                    *TmpPath;
 
 
    if (!PathList)
    {
        return (AE_OK);
    }
 
    Path = strtok (PathList, ",");
 
    while (Path)
    {
        TmpPath = ACPI_ALLOCATE_ZEROED (ACPI_STRLEN (Path) + 1);
        if (!TmpPath)
        {
            return (AE_NO_MEMORY);
        }
 
        ACPI_STRCPY (TmpPath, Path);
 
        ExternalFile = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_EXTERNAL_FILE));
        if (!ExternalFile)
        {
            ACPI_FREE (TmpPath);
            return (AE_NO_MEMORY);
        }
 
        ExternalFile->Path = TmpPath;
 
        if (AcpiGbl_ExternalFileList)
        {
            ExternalFile->Next = AcpiGbl_ExternalFileList;
        }
 
        AcpiGbl_ExternalFileList = ExternalFile;
        Path = strtok (NULL, ",");
    }
 
    return (AE_OK);
}
 
 
/*******************************************************************************
 *
 * FUNCTION:    AcpiDmClearExternalFileList
 *
 * PARAMETERS:  None
 *
 * RETURN:      None
 *
 * DESCRIPTION: Clear the external file list
 *
 ******************************************************************************/
 
void
AcpiDmClearExternalFileList (
    void)
{
    ACPI_EXTERNAL_FILE      *NextExternal;
 
 
    while (AcpiGbl_ExternalFileList)
    {
        NextExternal = AcpiGbl_ExternalFileList->Next;
        ACPI_FREE (AcpiGbl_ExternalFileList->Path);
        ACPI_FREE (AcpiGbl_ExternalFileList);
        AcpiGbl_ExternalFileList = NextExternal;
    }
}
 
 
/*******************************************************************************
 *
 * FUNCTION:    AcpiDmAddToExternalList
 *
 * PARAMETERS:  Op                  - Current parser Op
 *              Path                - Internal (AML) path to the object
 *              Type                - ACPI object type to be added
 *              Value               - Arg count if adding a Method object
 *
 * RETURN:      None
 *
 * DESCRIPTION: Insert a new name into the global list of Externals which
 *              will in turn be later emitted as an External() declaration
 *              in the disassembled output.
 *
 ******************************************************************************/
 
void
AcpiDmAddToExternalList (
    ACPI_PARSE_OBJECT       *Op,
    char                    *Path,
    UINT8                   Type,
    UINT32                  Value)
{
    char                    *ExternalPath;
    char                    *Fullpath = NULL;
    ACPI_EXTERNAL_LIST      *NewExternal;
    ACPI_EXTERNAL_LIST      *NextExternal;
    ACPI_EXTERNAL_LIST      *PrevExternal = NULL;
    ACPI_STATUS             Status;
 
 
    if (!Path)
    {
        return;
    }
 
    /* Externalize the ACPI path */
 
    Status = AcpiNsExternalizeName (ACPI_UINT32_MAX, Path,
                NULL, &ExternalPath);
    if (ACPI_FAILURE (Status))
    {
        return;
    }
 
    /* Get the full pathname from root if "Path" has a parent prefix */
 
    if (*Path == (UINT8) AML_PARENT_PREFIX)
    {
        Fullpath = AcpiDmNormalizeParentPrefix (Op, ExternalPath);
        if (Fullpath)
        {
            /* Set new external path */
 
            ACPI_FREE (ExternalPath);
            ExternalPath = Fullpath;
        }
    }
 
    /* Check all existing externals to ensure no duplicates */
 
    NextExternal = AcpiGbl_ExternalList;
    while (NextExternal)
    {
        if (!ACPI_STRCMP (ExternalPath, NextExternal->Path))
        {
            /* Duplicate method, check that the Value (ArgCount) is the same */
 
            if ((NextExternal->Type == ACPI_TYPE_METHOD) &&
                (NextExternal->Value != Value))
            {
                ACPI_ERROR ((AE_INFO,
                    "Argument count mismatch for method %s %u %u",
                    NextExternal->Path, NextExternal->Value, Value));
            }
 
            /* Allow upgrade of type from ANY */
 
            else if (NextExternal->Type == ACPI_TYPE_ANY)
            {
                NextExternal->Type = Type;
                NextExternal->Value = Value;
            }
 
            ACPI_FREE (ExternalPath);
            return;
        }
 
        NextExternal = NextExternal->Next;
    }
 
    /* Allocate and init a new External() descriptor */
 
    NewExternal = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_EXTERNAL_LIST));
    if (!NewExternal)
    {
        ACPI_FREE (ExternalPath);
        return;
    }
 
    NewExternal->Path = ExternalPath;
    NewExternal->Type = Type;
    NewExternal->Value = Value;
    NewExternal->Length = (UINT16) ACPI_STRLEN (ExternalPath);
 
    /* Was the external path with parent prefix normalized to a fullpath? */
 
    if (Fullpath == ExternalPath)
    {
        /* Get new internal path */
 
        Status = AcpiNsInternalizeName (ExternalPath, &Path);
        if (ACPI_FAILURE (Status))
        {
            ACPI_FREE (ExternalPath);
            ACPI_FREE (NewExternal);
            return;
        }
 
        /* Set flag to indicate External->InternalPath need to be freed */
 
        NewExternal->Flags |= ACPI_IPATH_ALLOCATED;
    }
 
    NewExternal->InternalPath = Path;
 
    /* Link the new descriptor into the global list, ordered by string length */
 
    NextExternal = AcpiGbl_ExternalList;
    while (NextExternal)
    {
        if (NewExternal->Length <= NextExternal->Length)
        {
            if (PrevExternal)
            {
                PrevExternal->Next = NewExternal;
            }
            else
            {
                AcpiGbl_ExternalList = NewExternal;
            }
 
            NewExternal->Next = NextExternal;
            return;
        }
 
        PrevExternal = NextExternal;
        NextExternal = NextExternal->Next;
    }
 
    if (PrevExternal)
    {
        PrevExternal->Next = NewExternal;
    }
    else
    {
        AcpiGbl_ExternalList = NewExternal;
    }
}
 
 
/*******************************************************************************
 *
 * FUNCTION:    AcpiDmAddExternalsToNamespace
 *
 * PARAMETERS:  None
 *
 * RETURN:      None
 *
 * DESCRIPTION: Add all externals to the namespace. Allows externals to be
 *              "resolved".
 *
 ******************************************************************************/
 
void
AcpiDmAddExternalsToNamespace (
    void)
{
    ACPI_STATUS             Status;
    ACPI_NAMESPACE_NODE     *Node;
    ACPI_OPERAND_OBJECT     *MethodDesc;
    ACPI_EXTERNAL_LIST      *External = AcpiGbl_ExternalList;
 
 
    while (External)
    {
        /* Add the external name (object) into the namespace */
 
        Status = AcpiNsLookup (NULL, External->InternalPath, External->Type,
                   ACPI_IMODE_LOAD_PASS1,
                   ACPI_NS_EXTERNAL | ACPI_NS_DONT_OPEN_SCOPE,
                   NULL, &Node);
 
        if (ACPI_FAILURE (Status))
        {
            ACPI_EXCEPTION ((AE_INFO, Status,
                "while adding external to namespace [%s]",
                External->Path));
        }
        else if (External->Type == ACPI_TYPE_METHOD)
        {
            /* For methods, we need to save the argument count */
 
            MethodDesc = AcpiUtCreateInternalObject (ACPI_TYPE_METHOD);
            MethodDesc->Method.ParamCount = (UINT8) External->Value;
            Node->Object = MethodDesc;
        }
 
        External = External->Next;
    }
}
 
 
/*******************************************************************************
 *
 * FUNCTION:    AcpiDmGetExternalMethodCount
 *
 * PARAMETERS:  None
 *
 * RETURN:      The number of control method externals in the external list
 *
 * DESCRIPTION: Return the number of method externals that have been generated.
 *              If any control method externals have been found, we must
 *              re-parse the entire definition block with the new information
 *              (number of arguments for the methods.) This is limitation of
 *              AML, we don't know the number of arguments from the control
 *              method invocation itself.
 *
 ******************************************************************************/
 
UINT32
AcpiDmGetExternalMethodCount (
    void)
{
    ACPI_EXTERNAL_LIST      *External = AcpiGbl_ExternalList;
    UINT32                  Count = 0;
 
 
    while (External)
    {
        if (External->Type == ACPI_TYPE_METHOD)
        {
            Count++;
        }
 
        External = External->Next;
    }
 
    return (Count);
}
 
 
/*******************************************************************************
 *
 * FUNCTION:    AcpiDmClearExternalList
 *
 * PARAMETERS:  None
 *
 * RETURN:      None
 *
 * DESCRIPTION: Free the entire External info list
 *
 ******************************************************************************/
 
void
AcpiDmClearExternalList (
    void)
{
    ACPI_EXTERNAL_LIST      *NextExternal;
 
 
    while (AcpiGbl_ExternalList)
    {
        NextExternal = AcpiGbl_ExternalList->Next;
        ACPI_FREE (AcpiGbl_ExternalList->Path);
        ACPI_FREE (AcpiGbl_ExternalList);
        AcpiGbl_ExternalList = NextExternal;
    }
}
 
 
/*******************************************************************************
 *
 * FUNCTION:    AcpiDmEmitExternals
 *
 * PARAMETERS:  None
 *
 * RETURN:      None
 *
 * DESCRIPTION: Emit an External() ASL statement for each of the externals in
 *              the global external info list.
 *
 ******************************************************************************/
 
void
AcpiDmEmitExternals (
    void)
{
    ACPI_EXTERNAL_LIST      *NextExternal;
 
 
    if (!AcpiGbl_ExternalList)
    {
        return;
    }
 
    /*
     * Walk the list of externals (unresolved references)
     * found during the AML parsing
     */
    while (AcpiGbl_ExternalList)
    {
        AcpiOsPrintf ("    External (%s%s",
            AcpiGbl_ExternalList->Path,
            AcpiDmGetObjectTypeName (AcpiGbl_ExternalList->Type));
 
        if (AcpiGbl_ExternalList->Type == ACPI_TYPE_METHOD)
        {
            AcpiOsPrintf (")    // %u Arguments\n",
                AcpiGbl_ExternalList->Value);
        }
        else
        {
            AcpiOsPrintf (")\n");
        }
 
        /* Free this external info block and move on to next external */
 
        NextExternal = AcpiGbl_ExternalList->Next;
        if (AcpiGbl_ExternalList->Flags & ACPI_IPATH_ALLOCATED)
        {
            ACPI_FREE (AcpiGbl_ExternalList->InternalPath);
        }
 
        ACPI_FREE (AcpiGbl_ExternalList->Path);
        ACPI_FREE (AcpiGbl_ExternalList);
        AcpiGbl_ExternalList = NextExternal;
    }
 
    AcpiOsPrintf ("\n");
}

Rev 1498	Rev 2216
1	/******************************************************************************	1	/******************************************************************************
2	*	2	*
3	* Module Name: dmextern - Support for External() ASL statements	3	* Module Name: dmextern - Support for External() ASL statements
4	*	4	*
5	*****************************************************************************/	5	*****************************************************************************/
6		6
7	/******************************************************************************	7	/******************************************************************************
8	*	8	*
9	* 1. Copyright Notice	9	* 1. Copyright Notice
10	*	10	*
11	* Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.	11	* Some or all of this work - Copyright (c) 1999 - 2011, Intel Corp.
12	* All rights reserved.	12	* All rights reserved.
13	*	13	*
14	* 2. License	14	* 2. License
15	*	15	*
16	* 2.1. This is your license from Intel Corp. under its intellectual property	16	* 2.1. This is your license from Intel Corp. under its intellectual property
17	* rights. You may have additional license terms from the party that provided	17	* rights. You may have additional license terms from the party that provided
18	* you this software, covering your right to use that party's intellectual	18	* you this software, covering your right to use that party's intellectual
19	* property rights.	19	* property rights.
20	*	20	*
21	* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a	21	* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22	* copy of the source code appearing in this file ("Covered Code") an	22	* copy of the source code appearing in this file ("Covered Code") an
23	* irrevocable, perpetual, worldwide license under Intel's copyrights in the	23	* irrevocable, perpetual, worldwide license under Intel's copyrights in the
24	* base code distributed originally by Intel ("Original Intel Code") to copy,	24	* base code distributed originally by Intel ("Original Intel Code") to copy,
25	* make derivatives, distribute, use and display any portion of the Covered	25	* make derivatives, distribute, use and display any portion of the Covered
26	* Code in any form, with the right to sublicense such rights; and	26	* Code in any form, with the right to sublicense such rights; and
27	*	27	*
28	* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent	28	* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29	* license (with the right to sublicense), under only those claims of Intel	29	* license (with the right to sublicense), under only those claims of Intel
30	* patents that are infringed by the Original Intel Code, to make, use, sell,	30	* patents that are infringed by the Original Intel Code, to make, use, sell,
31	* offer to sell, and import the Covered Code and derivative works thereof	31	* offer to sell, and import the Covered Code and derivative works thereof
32	* solely to the minimum extent necessary to exercise the above copyright	32	* solely to the minimum extent necessary to exercise the above copyright
33	* license, and in no event shall the patent license extend to any additions	33	* license, and in no event shall the patent license extend to any additions
34	* to or modifications of the Original Intel Code. No other license or right	34	* to or modifications of the Original Intel Code. No other license or right
35	* is granted directly or by implication, estoppel or otherwise;	35	* is granted directly or by implication, estoppel or otherwise;
36	*	36	*
37	* The above copyright and patent license is granted only if the following	37	* The above copyright and patent license is granted only if the following
38	* conditions are met:	38	* conditions are met:
39	*	39	*
40	* 3. Conditions	40	* 3. Conditions
41	*	41	*
42	* 3.1. Redistribution of Source with Rights to Further Distribute Source.	42	* 3.1. Redistribution of Source with Rights to Further Distribute Source.
43	* Redistribution of source code of any substantial portion of the Covered	43	* Redistribution of source code of any substantial portion of the Covered
44	* Code or modification with rights to further distribute source must include	44	* Code or modification with rights to further distribute source must include
45	* the above Copyright Notice, the above License, this list of Conditions,	45	* the above Copyright Notice, the above License, this list of Conditions,
46	* and the following Disclaimer and Export Compliance provision. In addition,	46	* and the following Disclaimer and Export Compliance provision. In addition,
47	* Licensee must cause all Covered Code to which Licensee contributes to	47	* Licensee must cause all Covered Code to which Licensee contributes to
48	* contain a file documenting the changes Licensee made to create that Covered	48	* contain a file documenting the changes Licensee made to create that Covered
49	* Code and the date of any change. Licensee must include in that file the	49	* Code and the date of any change. Licensee must include in that file the
50	* documentation of any changes made by any predecessor Licensee. Licensee	50	* documentation of any changes made by any predecessor Licensee. Licensee
51	* must include a prominent statement that the modification is derived,	51	* must include a prominent statement that the modification is derived,
52	* directly or indirectly, from Original Intel Code.	52	* directly or indirectly, from Original Intel Code.
53	*	53	*
54	* 3.2. Redistribution of Source with no Rights to Further Distribute Source.	54	* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55	* Redistribution of source code of any substantial portion of the Covered	55	* Redistribution of source code of any substantial portion of the Covered
56	* Code or modification without rights to further distribute source must	56	* Code or modification without rights to further distribute source must
57	* include the following Disclaimer and Export Compliance provision in the	57	* include the following Disclaimer and Export Compliance provision in the
58	* documentation and/or other materials provided with distribution. In	58	* documentation and/or other materials provided with distribution. In
59	* addition, Licensee may not authorize further sublicense of source of any	59	* addition, Licensee may not authorize further sublicense of source of any
60	* portion of the Covered Code, and must include terms to the effect that the	60	* portion of the Covered Code, and must include terms to the effect that the
61	* license from Licensee to its licensee is limited to the intellectual	61	* license from Licensee to its licensee is limited to the intellectual
62	* property embodied in the software Licensee provides to its licensee, and	62	* property embodied in the software Licensee provides to its licensee, and
63	* not to intellectual property embodied in modifications its licensee may	63	* not to intellectual property embodied in modifications its licensee may
64	* make.	64	* make.
65	*	65	*
66	* 3.3. Redistribution of Executable. Redistribution in executable form of any	66	* 3.3. Redistribution of Executable. Redistribution in executable form of any
67	* substantial portion of the Covered Code or modification must reproduce the	67	* substantial portion of the Covered Code or modification must reproduce the
68	* above Copyright Notice, and the following Disclaimer and Export Compliance	68	* above Copyright Notice, and the following Disclaimer and Export Compliance
69	* provision in the documentation and/or other materials provided with the	69	* provision in the documentation and/or other materials provided with the
70	* distribution.	70	* distribution.
71	*	71	*
72	* 3.4. Intel retains all right, title, and interest in and to the Original	72	* 3.4. Intel retains all right, title, and interest in and to the Original
73	* Intel Code.	73	* Intel Code.
74	*	74	*
75	* 3.5. Neither the name Intel nor any other trademark owned or controlled by	75	* 3.5. Neither the name Intel nor any other trademark owned or controlled by
76	* Intel shall be used in advertising or otherwise to promote the sale, use or	76	* Intel shall be used in advertising or otherwise to promote the sale, use or
77	* other dealings in products derived from or relating to the Covered Code	77	* other dealings in products derived from or relating to the Covered Code
78	* without prior written authorization from Intel.	78	* without prior written authorization from Intel.
79	*	79	*
80	* 4. Disclaimer and Export Compliance	80	* 4. Disclaimer and Export Compliance
81	*	81	*
82	* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED	82	* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83	* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE	83	* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84	* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,	84	* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85	* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY	85	* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86	* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY	86	* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87	* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A	87	* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
88	* PARTICULAR PURPOSE.	88	* PARTICULAR PURPOSE.
89	*	89	*
90	* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES	90	* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91	* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR	91	* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92	* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,	92	* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93	* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY	93	* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94	* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL	94	* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95	* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS	95	* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96	* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY	96	* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
97	* LIMITED REMEDY.	97	* LIMITED REMEDY.
98	*	98	*
99	* 4.3. Licensee shall not export, either directly or indirectly, any of this	99	* 4.3. Licensee shall not export, either directly or indirectly, any of this
100	* software or system incorporating such software without first obtaining any	100	* software or system incorporating such software without first obtaining any
101	* required license or other approval from the U. S. Department of Commerce or	101	* required license or other approval from the U. S. Department of Commerce or
102	* any other agency or department of the United States Government. In the	102	* any other agency or department of the United States Government. In the
103	* event Licensee exports any such software from the United States or	103	* event Licensee exports any such software from the United States or
104	* re-exports any such software from a foreign destination, Licensee shall	104	* re-exports any such software from a foreign destination, Licensee shall
105	* ensure that the distribution and export/re-export of the software is in	105	* ensure that the distribution and export/re-export of the software is in
106	* compliance with all laws, regulations, orders, or other restrictions of the	106	* compliance with all laws, regulations, orders, or other restrictions of the
107	* U.S. Export Administration Regulations. Licensee agrees that neither it nor	107	* U.S. Export Administration Regulations. Licensee agrees that neither it nor
108	* any of its subsidiaries will export/re-export any technical data, process,	108	* any of its subsidiaries will export/re-export any technical data, process,
109	* software, or service, directly or indirectly, to any country for which the	109	* software, or service, directly or indirectly, to any country for which the
110	* United States government or any agency thereof requires an export license,	110	* United States government or any agency thereof requires an export license,
111	* other governmental approval, or letter of assurance, without first obtaining	111	* other governmental approval, or letter of assurance, without first obtaining
112	* such license, approval or letter.	112	* such license, approval or letter.
113	*	113	*
114	*****************************************************************************/	114	*****************************************************************************/
115		115
116	#include "acpi.h"	116	#include "acpi.h"
117	#include "accommon.h"	117	#include "accommon.h"
118	#include "amlcode.h"	118	#include "amlcode.h"
119	#include "acnamesp.h"	119	#include "acnamesp.h"
120	#include "acdisasm.h"	120	#include "acdisasm.h"
121		121
122		122
123	/*	123	/*
124	* This module is used for application-level code (iASL disassembler) only.	124	* This module is used for application-level code (iASL disassembler) only.
125	*	125	*
126	* It contains the code to create and emit any necessary External() ASL	126	* It contains the code to create and emit any necessary External() ASL
127	* statements for the module being disassembled.	127	* statements for the module being disassembled.
128	*/	128	*/
129	#define _COMPONENT ACPI_CA_DISASSEMBLER	129	#define _COMPONENT ACPI_CA_DISASSEMBLER
130	ACPI_MODULE_NAME ("dmextern")	130	ACPI_MODULE_NAME ("dmextern")
131		131
132		132
133	/*	133	/*
134	* This table maps ACPI_OBJECT_TYPEs to the corresponding ASL	134	* This table maps ACPI_OBJECT_TYPEs to the corresponding ASL
135	* ObjectTypeKeyword. Used to generate typed external declarations	135	* ObjectTypeKeyword. Used to generate typed external declarations
136	*/	136	*/
137	static const char *AcpiGbl_DmTypeNames[] =	137	static const char *AcpiGbl_DmTypeNames[] =
138	{	138	{
139	/* 00 / "", / Type ANY */	139	/* 00 / "", / Type ANY */
140	/* 01 */ ", IntObj",	140	/* 01 */ ", IntObj",
141	/* 02 */ ", StrObj",	141	/* 02 */ ", StrObj",
142	/* 03 */ ", BuffObj",	142	/* 03 */ ", BuffObj",
143	/* 04 */ ", PkgObj",	143	/* 04 */ ", PkgObj",
144	/* 05 */ ", FieldUnitObj",	144	/* 05 */ ", FieldUnitObj",
145	/* 06 */ ", DeviceObj",	145	/* 06 */ ", DeviceObj",
146	/* 07 */ ", EventObj",	146	/* 07 */ ", EventObj",
147	/* 08 */ ", MethodObj",	147	/* 08 */ ", MethodObj",
148	/* 09 */ ", MutexObj",	148	/* 09 */ ", MutexObj",
149	/* 10 */ ", OpRegionObj",	149	/* 10 */ ", OpRegionObj",
150	/* 11 */ ", PowerResObj",	150	/* 11 */ ", PowerResObj",
151	/* 12 */ ", ProcessorObj",	151	/* 12 */ ", ProcessorObj",
152	/* 13 */ ", ThermalZoneObj",	152	/* 13 */ ", ThermalZoneObj",
153	/* 14 */ ", BuffFieldObj",	153	/* 14 */ ", BuffFieldObj",
154	/* 15 */ ", DDBHandleObj",	154	/* 15 */ ", DDBHandleObj",
155	/* 16 / "", / Debug object */	155	/* 16 / "", / Debug object */
156	/* 17 */ ", FieldUnitObj",	156	/* 17 */ ", FieldUnitObj",
157	/* 18 */ ", FieldUnitObj",	157	/* 18 */ ", FieldUnitObj",
158	/* 19 */ ", FieldUnitObj"	158	/* 19 */ ", FieldUnitObj"
159	};	159	};
160		160
161		161
162	/* Local prototypes */	162	/* Local prototypes */
163		163
164	static const char *	164	static const char *
165	AcpiDmGetObjectTypeName (	165	AcpiDmGetObjectTypeName (
166	ACPI_OBJECT_TYPE Type);	166	ACPI_OBJECT_TYPE Type);
167		167
168	static char *	168	static char *
169	AcpiDmNormalizeParentPrefix (	169	AcpiDmNormalizeParentPrefix (
170	ACPI_PARSE_OBJECT *Op,	170	ACPI_PARSE_OBJECT *Op,
171	char *Path);	171	char *Path);
172		172
173		173
174	/*******************************************************************************	174	/*******************************************************************************
175	*	175	*
176	* FUNCTION: AcpiDmGetObjectTypeName	176	* FUNCTION: AcpiDmGetObjectTypeName
177	*	177	*
178	* PARAMETERS: Type - An ACPI_OBJECT_TYPE	178	* PARAMETERS: Type - An ACPI_OBJECT_TYPE
179	*	179	*
180	* RETURN: Pointer to a string	180	* RETURN: Pointer to a string
181	*	181	*
182	* DESCRIPTION: Map an object type to the ASL object type string.	182	* DESCRIPTION: Map an object type to the ASL object type string.
183	*	183	*
184	******************************************************************************/	184	******************************************************************************/
185		185
186	static const char *	186	static const char *
187	AcpiDmGetObjectTypeName (	187	AcpiDmGetObjectTypeName (
188	ACPI_OBJECT_TYPE Type)	188	ACPI_OBJECT_TYPE Type)
189	{	189	{
190		190
191	if (Type == ACPI_TYPE_LOCAL_SCOPE)	191	if (Type == ACPI_TYPE_LOCAL_SCOPE)
192	{	192	{
193	Type = ACPI_TYPE_DEVICE;	193	Type = ACPI_TYPE_DEVICE;
194	}	194	}
195		195
196	else if (Type > ACPI_TYPE_LOCAL_INDEX_FIELD)	196	else if (Type > ACPI_TYPE_LOCAL_INDEX_FIELD)
197	{	197	{
198	return ("");	198	return ("");
199	}	199	}
200		200
201	return (AcpiGbl_DmTypeNames[Type]);	201	return (AcpiGbl_DmTypeNames[Type]);
202	}	202	}
203		203
204		204
205	/*******************************************************************************	205	/*******************************************************************************
206	*	206	*
207	* FUNCTION: AcpiDmNormalizeParentPrefix	207	* FUNCTION: AcpiDmNormalizeParentPrefix
208	*	208	*
209	* PARAMETERS: Op - Parse op	209	* PARAMETERS: Op - Parse op
210	* Path - Path with parent prefix	210	* Path - Path with parent prefix
211	*	211	*
212	* RETURN: The full pathname to the object (from the namespace root)	212	* RETURN: The full pathname to the object (from the namespace root)
213	*	213	*
214	* DESCRIPTION: Returns the full pathname of a path with parent prefix	214	* DESCRIPTION: Returns the full pathname of a path with parent prefix
215	* The caller must free the fullpath returned.	215	* The caller must free the fullpath returned.
216	*	216	*
217	******************************************************************************/	217	******************************************************************************/
218		218
219	static char *	219	static char *
220	AcpiDmNormalizeParentPrefix (	220	AcpiDmNormalizeParentPrefix (
221	ACPI_PARSE_OBJECT *Op,	221	ACPI_PARSE_OBJECT *Op,
222	char *Path)	222	char *Path)
223	{	223	{
224	ACPI_NAMESPACE_NODE *Node;	224	ACPI_NAMESPACE_NODE *Node;
225	char *Fullpath;	225	char *Fullpath;
226	char *ParentPath;	226	char *ParentPath;
227	ACPI_SIZE Length;	227	ACPI_SIZE Length;
228		228
229		229
230	/* Search upwards in the parse tree until we reach a namespace node */	230	/* Search upwards in the parse tree until we reach a namespace node */
231		231
232	while (Op)	232	while (Op)
233	{	233	{
234	if (Op->Common.Node)	234	if (Op->Common.Node)
235	{	235	{
236	break;	236	break;
237	}	237	}
238		238
239	Op = Op->Common.Parent;	239	Op = Op->Common.Parent;
240	}	240	}
241		241
242	if (!Op)	242	if (!Op)
243	{	243	{
244	return (NULL);	244	return (NULL);
245	}	245	}
246		246
247	/*	247	/*
248	* Find the actual parent node for the reference:	248	* Find the actual parent node for the reference:
249	* Remove all carat prefixes from the input path.	249	* Remove all carat prefixes from the input path.
250	* There may be multiple parent prefixes (For example, ^^^M000)	250	* There may be multiple parent prefixes (For example, ^^^M000)
251	*/	251	*/
252	Node = Op->Common.Node;	252	Node = Op->Common.Node;
253	while (Node && (*Path == (UINT8) AML_PARENT_PREFIX))	253	while (Node && (*Path == (UINT8) AML_PARENT_PREFIX))
254	{	254	{
255	Node = Node->Parent;	255	Node = Node->Parent;
256	Path++;	256	Path++;
257	}	257	}
258		258
259	if (!Node)	259	if (!Node)
260	{	260	{
261	return (NULL);	261	return (NULL);
262	}	262	}
263		263
264	/* Get the full pathname for the parent node */	264	/* Get the full pathname for the parent node */
265		265
266	ParentPath = AcpiNsGetExternalPathname (Node);	266	ParentPath = AcpiNsGetExternalPathname (Node);
267	if (!ParentPath)	267	if (!ParentPath)
268	{	268	{
269	return (NULL);	269	return (NULL);
270	}	270	}
271		271
272	Length = (ACPI_STRLEN (ParentPath) + ACPI_STRLEN (Path) + 1);	272	Length = (ACPI_STRLEN (ParentPath) + ACPI_STRLEN (Path) + 1);
273	if (ParentPath[1])	273	if (ParentPath[1])
274	{	274	{
275	/*	275	/*
276	* If ParentPath is not just a simple '\', increment the length	276	* If ParentPath is not just a simple '\', increment the length
277	* for the required dot separator (ParentPath.Path)	277	* for the required dot separator (ParentPath.Path)
278	*/	278	*/
279	Length++;	279	Length++;
280	}	280	}
281		281
282	Fullpath = ACPI_ALLOCATE_ZEROED (Length);	282	Fullpath = ACPI_ALLOCATE_ZEROED (Length);
283	if (!Fullpath)	283	if (!Fullpath)
284	{	284	{
285	goto Cleanup;	285	goto Cleanup;
286	}	286	}
287		287
288	/*	288	/*
289	* Concatenate parent fullpath and path. For example,	289	* Concatenate parent fullpath and path. For example,
290	* parent fullpath "\_SB_", Path "^INIT", Fullpath "\_SB_.INIT"	290	* parent fullpath "\_SB_", Path "^INIT", Fullpath "\_SB_.INIT"
291	*	291	*
292	* Copy the parent path	292	* Copy the parent path
293	*/	293	*/
294	ACPI_STRCAT (Fullpath, ParentPath);	294	ACPI_STRCAT (Fullpath, ParentPath);
295		295
296	/* Add dot separator (don't need dot if parent fullpath is a single "\") */	296	/* Add dot separator (don't need dot if parent fullpath is a single "\") */
297		297
298	if (ParentPath[1])	298	if (ParentPath[1])
299	{	299	{
300	ACPI_STRCAT (Fullpath, ".");	300	ACPI_STRCAT (Fullpath, ".");
301	}	301	}
302		302
303	/* Copy child path (carat parent prefix(es) were skipped above) */	303	/* Copy child path (carat parent prefix(es) were skipped above) */
304		304
305	ACPI_STRCAT (Fullpath, Path);	305	ACPI_STRCAT (Fullpath, Path);
306		306
307	Cleanup:	307	Cleanup:
308	ACPI_FREE (ParentPath);	308	ACPI_FREE (ParentPath);
309	return (Fullpath);	309	return (Fullpath);
310	}	310	}
-		311
-		312
-		313	/*******************************************************************************
-		314	*
-		315	* FUNCTION: AcpiDmAddToExternalFileList
-		316	*
-		317	* PARAMETERS: PathList - Single path or list separated by comma
-		318	*
-		319	* RETURN: None
-		320	*
-		321	* DESCRIPTION: Add external files to global list
-		322	*
-		323	******************************************************************************/
-		324
-		325	ACPI_STATUS
-		326	AcpiDmAddToExternalFileList (
-		327	char *PathList)
-		328	{
-		329	ACPI_EXTERNAL_FILE *ExternalFile;
-		330	char *Path;
-		331	char *TmpPath;
-		332
-		333
-		334	if (!PathList)
-		335	{
-		336	return (AE_OK);
-		337	}
-		338
-		339	Path = strtok (PathList, ",");
-		340
-		341	while (Path)
-		342	{
-		343	TmpPath = ACPI_ALLOCATE_ZEROED (ACPI_STRLEN (Path) + 1);
-		344	if (!TmpPath)
-		345	{
-		346	return (AE_NO_MEMORY);
-		347	}
-		348
-		349	ACPI_STRCPY (TmpPath, Path);
-		350
-		351	ExternalFile = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_EXTERNAL_FILE));
-		352	if (!ExternalFile)
-		353	{
-		354	ACPI_FREE (TmpPath);
-		355	return (AE_NO_MEMORY);
-		356	}
-		357
-		358	ExternalFile->Path = TmpPath;
-		359
-		360	if (AcpiGbl_ExternalFileList)
-		361	{
-		362	ExternalFile->Next = AcpiGbl_ExternalFileList;
-		363	}
-		364
-		365	AcpiGbl_ExternalFileList = ExternalFile;
-		366	Path = strtok (NULL, ",");
-		367	}
-		368
-		369	return (AE_OK);
-		370	}
-		371
-		372
-		373	/*******************************************************************************
-		374	*
-		375	* FUNCTION: AcpiDmClearExternalFileList
-		376	*
-		377	* PARAMETERS: None
-		378	*
-		379	* RETURN: None
-		380	*
-		381	* DESCRIPTION: Clear the external file list
-		382	*
-		383	******************************************************************************/
-		384
-		385	void
-		386	AcpiDmClearExternalFileList (
-		387	void)
-		388	{
-		389	ACPI_EXTERNAL_FILE *NextExternal;
-		390
-		391
-		392	while (AcpiGbl_ExternalFileList)
-		393	{
-		394	NextExternal = AcpiGbl_ExternalFileList->Next;
-		395	ACPI_FREE (AcpiGbl_ExternalFileList->Path);
-		396	ACPI_FREE (AcpiGbl_ExternalFileList);
-		397	AcpiGbl_ExternalFileList = NextExternal;
-		398	}
-		399	}
311		400
312		401
313	/*******************************************************************************	402	/*******************************************************************************
314	*	403	*
315	* FUNCTION: AcpiDmAddToExternalList	404	* FUNCTION: AcpiDmAddToExternalList
316	*	405	*
317	* PARAMETERS: Op - Current parser Op	406	* PARAMETERS: Op - Current parser Op
318	* Path - Internal (AML) path to the object	407	* Path - Internal (AML) path to the object
319	* Type - ACPI object type to be added	408	* Type - ACPI object type to be added
320	* Value - Arg count if adding a Method object	409	* Value - Arg count if adding a Method object
321	*	410	*
322	* RETURN: None	411	* RETURN: None
323	*	412	*
324	* DESCRIPTION: Insert a new name into the global list of Externals which	413	* DESCRIPTION: Insert a new name into the global list of Externals which
325	* will in turn be later emitted as an External() declaration	414	* will in turn be later emitted as an External() declaration
326	* in the disassembled output.	415	* in the disassembled output.
327	*	416	*
328	******************************************************************************/	417	******************************************************************************/
329		418
330	void	419	void
331	AcpiDmAddToExternalList (	420	AcpiDmAddToExternalList (
332	ACPI_PARSE_OBJECT *Op,	421	ACPI_PARSE_OBJECT *Op,
333	char *Path,	422	char *Path,
334	UINT8 Type,	423	UINT8 Type,
335	UINT32 Value)	424	UINT32 Value)
336	{	425	{
337	char *ExternalPath;	426	char *ExternalPath;
338	char *Fullpath = NULL;	427	char *Fullpath = NULL;
339	ACPI_EXTERNAL_LIST *NewExternal;	428	ACPI_EXTERNAL_LIST *NewExternal;
340	ACPI_EXTERNAL_LIST *NextExternal;	429	ACPI_EXTERNAL_LIST *NextExternal;
341	ACPI_EXTERNAL_LIST *PrevExternal = NULL;	430	ACPI_EXTERNAL_LIST *PrevExternal = NULL;
342	ACPI_STATUS Status;	431	ACPI_STATUS Status;
343		432
344		433
345	if (!Path)	434	if (!Path)
346	{	435	{
347	return;	436	return;
348	}	437	}
349		438
350	/* Externalize the ACPI path */	439	/* Externalize the ACPI path */
351		440
352	Status = AcpiNsExternalizeName (ACPI_UINT32_MAX, Path,	441	Status = AcpiNsExternalizeName (ACPI_UINT32_MAX, Path,
353	NULL, &ExternalPath);	442	NULL, &ExternalPath);
354	if (ACPI_FAILURE (Status))	443	if (ACPI_FAILURE (Status))
355	{	444	{
356	return;	445	return;
357	}	446	}
358		447
359	/* Get the full pathname from root if "Path" has a parent prefix */	448	/* Get the full pathname from root if "Path" has a parent prefix */
360		449
361	if (*Path == (UINT8) AML_PARENT_PREFIX)	450	if (*Path == (UINT8) AML_PARENT_PREFIX)
362	{	451	{
363	Fullpath = AcpiDmNormalizeParentPrefix (Op, ExternalPath);	452	Fullpath = AcpiDmNormalizeParentPrefix (Op, ExternalPath);
364	if (Fullpath)	453	if (Fullpath)
365	{	454	{
366	/* Set new external path */	455	/* Set new external path */
367		456
368	ACPI_FREE (ExternalPath);	457	ACPI_FREE (ExternalPath);
369	ExternalPath = Fullpath;	458	ExternalPath = Fullpath;
370	}	459	}
371	}	460	}
372		461
373	/* Check all existing externals to ensure no duplicates */	462	/* Check all existing externals to ensure no duplicates */
374		463
375	NextExternal = AcpiGbl_ExternalList;	464	NextExternal = AcpiGbl_ExternalList;
376	while (NextExternal)	465	while (NextExternal)
377	{	466	{
378	if (!ACPI_STRCMP (ExternalPath, NextExternal->Path))	467	if (!ACPI_STRCMP (ExternalPath, NextExternal->Path))
379	{	468	{
380	/* Duplicate method, check that the Value (ArgCount) is the same */	469	/* Duplicate method, check that the Value (ArgCount) is the same */
381		470
382	if ((NextExternal->Type == ACPI_TYPE_METHOD) &&	471	if ((NextExternal->Type == ACPI_TYPE_METHOD) &&
383	(NextExternal->Value != Value))	472	(NextExternal->Value != Value))
384	{	473	{
385	ACPI_ERROR ((AE_INFO,	474	ACPI_ERROR ((AE_INFO,
386	"Argument count mismatch for method %s %u %u",	475	"Argument count mismatch for method %s %u %u",
387	NextExternal->Path, NextExternal->Value, Value));	476	NextExternal->Path, NextExternal->Value, Value));
388	}	477	}
389		478
390	/* Allow upgrade of type from ANY */	479	/* Allow upgrade of type from ANY */
391		480
392	else if (NextExternal->Type == ACPI_TYPE_ANY)	481	else if (NextExternal->Type == ACPI_TYPE_ANY)
393	{	482	{
394	NextExternal->Type = Type;	483	NextExternal->Type = Type;
395	NextExternal->Value = Value;	484	NextExternal->Value = Value;
396	}	485	}
397		486
398	ACPI_FREE (ExternalPath);	487	ACPI_FREE (ExternalPath);
399	return;	488	return;
400	}	489	}
401		490
402	NextExternal = NextExternal->Next;	491	NextExternal = NextExternal->Next;
403	}	492	}
404		493
405	/* Allocate and init a new External() descriptor */	494	/* Allocate and init a new External() descriptor */
406		495
407	NewExternal = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_EXTERNAL_LIST));	496	NewExternal = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_EXTERNAL_LIST));
408	if (!NewExternal)	497	if (!NewExternal)
409	{	498	{
410	ACPI_FREE (ExternalPath);	499	ACPI_FREE (ExternalPath);
411	return;	500	return;

Subversion Repositories Kolibri OS

(root)/drivers/devman/acpica/common/dmextern.c – Rev 1498 → 2216