dmrestag.c

acpi tools for linux include acpiexec and acpixtract

/******************************************************************************
 *
 * Module Name: dmrestag - Add tags to resource descriptors (Application-level)
 *              $Revision: 1.12 $
 *
 *****************************************************************************/

/******************************************************************************
 *
 * 1. Copyright Notice
 *
 * Some or all of this work - Copyright (c) 1999 - 2008, 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 "acparser.h"
#include "acdisasm.h"
#include "acnamesp.h"
#include "amlcode.h"

/* This module used for application-level code only */

#define _COMPONENT          ACPI_CA_DISASSEMBLER
        ACPI_MODULE_NAME    ("dmrestag")

/* Local prototypes */

static void
AcpiDmUpdateResourceName (
    ACPI_NAMESPACE_NODE     *ResourceNode);

static char *
AcpiDmSearchTagList (
    UINT32                  BitIndex,
    ACPI_RESOURCE_TAG       *TagList);

static char *
AcpiDmGetResourceTag (
    UINT32                  BitIndex,
    AML_RESOURCE            *Resource,
    UINT8                   ResourceIndex);

static char *
AcpiGetTagPathname (
    ACPI_NAMESPACE_NODE     *BufferNode,
    ACPI_NAMESPACE_NODE     *ResourceNode,
    UINT32                  BitIndex);

static ACPI_NAMESPACE_NODE *
AcpiDmGetResourceNode (
    ACPI_NAMESPACE_NODE     *BufferNode,
    UINT32                  BitIndex);

static ACPI_STATUS
AcpiDmAddResourceToNamespace (
    UINT8                   *Aml,
    UINT32                  Length,
    UINT32                  Offset,
    UINT8                   ResourceIndex,
    void                    *Context);

static void
AcpiDmAddResourcesToNamespace (
    ACPI_NAMESPACE_NODE     *BufferNode,
    ACPI_PARSE_OBJECT       *Op);


/******************************************************************************
 *
 * Resource Tag tables
 *
 * These are the predefined tags that refer to elements of a resource
 * descriptor. Each name and offset is defined in the ACPI specification.
 *
 * Each table entry contains the bit offset of the field and the associated
 * name.
 *
 ******************************************************************************/

static ACPI_RESOURCE_TAG        AcpiDmIrqTags[] =
{
    {( 1 * 8),      ACPI_RESTAG_INTERRUPT},
    {( 3 * 8) + 0,  ACPI_RESTAG_INTERRUPTTYPE},
    {( 3 * 8) + 3,  ACPI_RESTAG_INTERRUPTLEVEL},
    {( 3 * 8) + 4,  ACPI_RESTAG_INTERRUPTSHARE},
    {0,             NULL}
};

static ACPI_RESOURCE_TAG        AcpiDmDmaTags[] =
{
    {( 1 * 8),      ACPI_RESTAG_DMA},
    {( 2 * 8) + 0,  ACPI_RESTAG_XFERTYPE},
    {( 2 * 8) + 2,  ACPI_RESTAG_BUSMASTER},
    {( 2 * 8) + 5,  ACPI_RESTAG_DMATYPE},
    {0,             NULL}
};

static ACPI_RESOURCE_TAG        AcpiDmIoTags[] =
{
    {( 1 * 8) + 0,  ACPI_RESTAG_DECODE},
    {( 2 * 8),      ACPI_RESTAG_MINADDR},
    {( 4 * 8),      ACPI_RESTAG_MAXADDR},
    {( 6 * 8),      ACPI_RESTAG_ALIGNMENT},
    {( 7 * 8),      ACPI_RESTAG_LENGTH},
    {0,             NULL}
};

static ACPI_RESOURCE_TAG        AcpiDmFixedIoTags[] =
{
    {( 1 * 8),      ACPI_RESTAG_BASEADDRESS},
    {( 3 * 8),      ACPI_RESTAG_LENGTH},
    {0,             NULL}
};

static ACPI_RESOURCE_TAG        AcpiDmMemory24Tags[] =
{
    {( 3 * 8) + 0,  ACPI_RESTAG_READWRITETYPE},
    {( 4 * 8),      ACPI_RESTAG_MINADDR},
    {( 6 * 8),      ACPI_RESTAG_MAXADDR},
    {( 8 * 8),      ACPI_RESTAG_ALIGNMENT},
    {(10 * 8),      ACPI_RESTAG_LENGTH},
    {0,             NULL}
};

static ACPI_RESOURCE_TAG        AcpiDmRegisterTags[] =
{
    {( 3 * 8),      ACPI_RESTAG_ADDRESSSPACE},
    {( 4 * 8),      ACPI_RESTAG_REGISTERBITWIDTH},
    {( 5 * 8),      ACPI_RESTAG_REGISTERBITOFFSET},
    {( 6 * 8),      ACPI_RESTAG_ACCESSSIZE},
    {( 7 * 8),      ACPI_RESTAG_ADDRESS},
    {0,             NULL}
};

static ACPI_RESOURCE_TAG        AcpiDmMemory32Tags[] =
{
    {( 3 * 8) + 0,  ACPI_RESTAG_READWRITETYPE},
    {( 4 * 8),      ACPI_RESTAG_MINADDR},
    {( 8 * 8),      ACPI_RESTAG_MAXADDR},
    {(12 * 8),      ACPI_RESTAG_ALIGNMENT},
    {(16 * 8),      ACPI_RESTAG_LENGTH},
    {0,             NULL}
};

static ACPI_RESOURCE_TAG        AcpiDmFixedMemory32Tags[] =
{
    {( 3 * 8) + 0,  ACPI_RESTAG_READWRITETYPE},
    {( 4 * 8),      ACPI_RESTAG_BASEADDRESS},
    {( 8 * 8),      ACPI_RESTAG_LENGTH},
    {0,             NULL}
};

static ACPI_RESOURCE_TAG        AcpiDmInterruptTags[] =
{
    {( 3 * 8) + 1,  ACPI_RESTAG_INTERRUPTTYPE},
    {( 3 * 8) + 2,  ACPI_RESTAG_INTERRUPTLEVEL},
    {( 3 * 8) + 3,  ACPI_RESTAG_INTERRUPTSHARE},
    {( 5 * 8),      ACPI_RESTAG_INTERRUPT},
    {0,             NULL}
};

static ACPI_RESOURCE_TAG        AcpiDmAddress16Tags[] =
{
    {( 4 * 8) + 1,  ACPI_RESTAG_DECODE},
    {( 4 * 8) + 2,  ACPI_RESTAG_MINTYPE},
    {( 4 * 8) + 3,  ACPI_RESTAG_MAXTYPE},
    {( 6 * 8),      ACPI_RESTAG_GRANULARITY},
    {( 8 * 8),      ACPI_RESTAG_MINADDR},
    {(10 * 8),      ACPI_RESTAG_MAXADDR},
    {(12 * 8),      ACPI_RESTAG_TRANSLATION},
    {(14 * 8),      ACPI_RESTAG_LENGTH},
    {0,             NULL}
};

static ACPI_RESOURCE_TAG        AcpiDmAddress32Tags[] =
{
    {( 4 * 8) + 1,  ACPI_RESTAG_DECODE},
    {( 4 * 8) + 2,  ACPI_RESTAG_MINTYPE},
    {( 4 * 8) + 3,  ACPI_RESTAG_MAXTYPE},
    {( 6 * 8),      ACPI_RESTAG_GRANULARITY},
    {(10 * 8),      ACPI_RESTAG_MINADDR},
    {(14 * 8),      ACPI_RESTAG_MAXADDR},
    {(18 * 8),      ACPI_RESTAG_TRANSLATION},
    {(22 * 8),      ACPI_RESTAG_LENGTH},
    {0,             NULL}
};

static ACPI_RESOURCE_TAG        AcpiDmAddress64Tags[] =
{
    {( 4 * 8) + 1,  ACPI_RESTAG_DECODE},
    {( 4 * 8) + 2,  ACPI_RESTAG_MINTYPE},
    {( 4 * 8) + 3,  ACPI_RESTAG_MAXTYPE},
    {( 6 * 8),      ACPI_RESTAG_GRANULARITY},
    {(14 * 8),      ACPI_RESTAG_MINADDR},
    {(22 * 8),      ACPI_RESTAG_MAXADDR},
    {(30 * 8),      ACPI_RESTAG_TRANSLATION},
    {(38 * 8),      ACPI_RESTAG_LENGTH},
    {0,             NULL}
};

static ACPI_RESOURCE_TAG        AcpiDmExtendedAddressTags[] =
{
    {( 4 * 8) + 1,  ACPI_RESTAG_DECODE},
    {( 4 * 8) + 2,  ACPI_RESTAG_MINTYPE},
    {( 4 * 8) + 3,  ACPI_RESTAG_MAXTYPE},
    {( 8 * 8),      ACPI_RESTAG_GRANULARITY},
    {(16 * 8),      ACPI_RESTAG_MINADDR},
    {(24 * 8),      ACPI_RESTAG_MAXADDR},
    {(32 * 8),      ACPI_RESTAG_TRANSLATION},
    {(40 * 8),      ACPI_RESTAG_LENGTH},
    {(48 * 8),      ACPI_RESTAG_TYPESPECIFICATTRIBUTES},
    {0,             NULL}
};

/* Special-case tables for the type-specific flags */

static ACPI_RESOURCE_TAG        AcpiDmMemoryFlagTags[] =
{
    {( 5 * 8) + 0,  ACPI_RESTAG_READWRITETYPE},
    {( 5 * 8) + 1,  ACPI_RESTAG_MEMTYPE},
    {( 5 * 8) + 3,  ACPI_RESTAG_MEMATTRIBUTES},
    {( 5 * 8) + 5,  ACPI_RESTAG_TYPE},
    {0,             NULL}
};

static ACPI_RESOURCE_TAG        AcpiDmIoFlagTags[] =
{
    {( 5 * 8) + 0,  ACPI_RESTAG_RANGETYPE},