FreeBSD/Linux Kernel Cross Reference
sys/contrib/dev/acpica/compiler/dttable.c

     /******************************************************************************
      *
      * Module Name: dttable.c - handling for specific ACPI tables
      *
      *****************************************************************************/
     
     /******************************************************************************
      *
      * 1. Copyright Notice
     *
     * Some or all of this work - Copyright (c) 1999 - 2022, 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.
    *
    *****************************************************************************
    *
    * Alternatively, you may choose to be licensed under the terms of the
    * following license:
    *
    * 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.
    *
    * 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 MERCHANTABILITY AND FITNESS FOR
    * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
    * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    * 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 DAMAGE.
    *
    * Alternatively, you may choose to be licensed under the terms of the
    * GNU General Public License ("GPL") version 2 as published by the Free
    * Software Foundation.
    *
    *****************************************************************************/
   
   /* Compile routines for the basic ACPI tables */
   
   #include <contrib/dev/acpica/compiler/aslcompiler.h>
   
   #define _COMPONENT          DT_COMPILER
           ACPI_MODULE_NAME    ("dttable")
   
   
   /******************************************************************************
    *
    * FUNCTION:    DtCompileRsdp
    *
    * PARAMETERS:  PFieldList          - Current field list pointer
    *
    * RETURN:      Status
    *
    * DESCRIPTION: Compile RSDP.
    *
    *****************************************************************************/
   
   ACPI_STATUS
   DtCompileRsdp (
       DT_FIELD                **PFieldList)
   {
       DT_SUBTABLE             *Subtable;
       ACPI_TABLE_RSDP         *Rsdp;
       ACPI_RSDP_EXTENSION     *RsdpExtension;
       ACPI_STATUS             Status;
   
   
       /* Compile the "common" RSDP (ACPI 1.0) */
   
       Status = DtCompileTable (PFieldList, AcpiDmTableInfoRsdp1,
           &AslGbl_RootTable);
       if (ACPI_FAILURE (Status))
       {
           return (Status);
       }
   
       Rsdp = ACPI_CAST_PTR (ACPI_TABLE_RSDP, AslGbl_RootTable->Buffer);
       DtSetTableChecksum (&Rsdp->Checksum);
   
       if (Rsdp->Revision > 0)
       {
           /* Compile the "extended" part of the RSDP as a subtable */
   
           Status = DtCompileTable (PFieldList, AcpiDmTableInfoRsdp2,
               &Subtable);
           if (ACPI_FAILURE (Status))
           {
               return (Status);
           }
   
           DtInsertSubtable (AslGbl_RootTable, Subtable);
   
           /* Set length and extended checksum for entire RSDP */
   
           RsdpExtension = ACPI_CAST_PTR (ACPI_RSDP_EXTENSION, Subtable->Buffer);
           RsdpExtension->Length = AslGbl_RootTable->Length + Subtable->Length;
           DtSetTableChecksum (&RsdpExtension->ExtendedChecksum);
       }
   
       return (AE_OK);
   }
   
   
   /******************************************************************************
    *
    * FUNCTION:    DtCompileFadt
    *
    * PARAMETERS:  List                - Current field list pointer
    *
    * RETURN:      Status
    *
    * DESCRIPTION: Compile FADT (signature FACP).
    *
    *****************************************************************************/
   
   #define ACPI_XDSDT_LOCATION_IN_LIST         11
   
   ACPI_STATUS
   DtCompileFadt (
       void                    **List)
   {
       ACPI_STATUS             Status;
       DT_SUBTABLE             *Subtable;
       DT_SUBTABLE             *ParentTable;
       DT_FIELD                **PFieldList = (DT_FIELD **) List;
       DT_FIELD                *DsdtFieldList;
       ACPI_TABLE_FADT         *Table;
       UINT8                   Revision;
       UINT32                  DsdtAddress;
       UINT64                  X_DsdtAddress;
       UINT32                  i;
   
   
       /* Get the table revision and 32-bit DSDT Address definition */
   
       DsdtFieldList = (*PFieldList)->Next;
       Status = DtCompileTable (PFieldList, AcpiDmTableInfoFadt1,
           &Subtable);
       if (ACPI_FAILURE (Status))
       {
           return (Status);
       }
   
       ParentTable = DtPeekSubtable ();
       DtInsertSubtable (ParentTable, Subtable);
   
       Table = ACPI_CAST_PTR (ACPI_TABLE_FADT, ParentTable->Buffer);
       Revision = Table->Header.Revision;
       DsdtAddress = Table->Dsdt;
   
       /* FADT version 1 has only 32-bit addresses - error if DSDT address is NULL */
   
       if ((Revision == 1) && (!DsdtAddress))
       {
           DtError (ASL_ERROR, ASL_MSG_ZERO_VALUE, DsdtFieldList, NULL);
       }
   
       if (Revision == 2)
       {
           Status = DtCompileTable (PFieldList, AcpiDmTableInfoFadt2,
               &Subtable);
           if (ACPI_FAILURE (Status))
           {
               return (Status);
           }
   
           DtInsertSubtable (ParentTable, Subtable);
       }
   
       else if (Revision > 2)
       {
           /*
            * Rev 3 and greater have 64-bit addresses (as well as 32-bit).
            * Get the 64-bit DSDT (X_DSDT) Address definition. Note: This
            * appears at field list offset 11 within AcpiDmTableInfoFadt3.
            */
           DsdtFieldList = *PFieldList;
           for (i = 0; i < ACPI_XDSDT_LOCATION_IN_LIST; i++)
           {
               DsdtFieldList = DsdtFieldList->Next;
               if (!DsdtFieldList)
               {
                   return (ASL_MSG_BAD_PARSE_TREE);
               }
           }
   
           Status = DtCompileTable (PFieldList, AcpiDmTableInfoFadt3,
               &Subtable);
           if (ACPI_FAILURE (Status))
           {
               return (Status);
           }
   
           DtInsertSubtable (ParentTable, Subtable);
   
           Table = ACPI_CAST_PTR (ACPI_TABLE_FADT, ParentTable->Buffer);
           X_DsdtAddress = Table->XDsdt;
   
           /*
            * Error if both the 32-bit DSDT address and the
            * 64-bit X_DSDT address are zero.
            */
           if ((!X_DsdtAddress) && (!DsdtAddress))
           {
               DtError (ASL_ERROR, ASL_MSG_TWO_ZERO_VALUES, DsdtFieldList, NULL);
           }
   
           /* Fields specific to FADT Revision 5 (appended to previous) */
   
           if (Revision >= 5)
           {
               Status = DtCompileTable (PFieldList, AcpiDmTableInfoFadt5,
                   &Subtable);
               if (ACPI_FAILURE (Status))
               {
                   return (Status);
               }
   
               DtInsertSubtable (ParentTable, Subtable);
           }
   
           /* Fields specific to FADT Revision 6 (appended to previous) */
   
           if (Revision >= 6)
           {
               Status = DtCompileTable (PFieldList, AcpiDmTableInfoFadt6,
                   &Subtable);
               if (ACPI_FAILURE (Status))
               {
                   return (Status);
               }
   
               DtInsertSubtable (ParentTable, Subtable);
           }
       }
   
       return (AE_OK);
   }
   
   
   /******************************************************************************
    *
    * FUNCTION:    DtCompileFacs
    *
    * PARAMETERS:  PFieldList          - Current field list pointer
    *
    * RETURN:      Status
    *
    * DESCRIPTION: Compile FACS.
    *
    *****************************************************************************/
   
   ACPI_STATUS
   DtCompileFacs (
       DT_FIELD                **PFieldList)
   {
       DT_SUBTABLE             *Subtable;
       UINT8                   *ReservedBuffer;
       ACPI_STATUS             Status;
       UINT32                  ReservedSize;
   
   
       Status = DtCompileTable (PFieldList, AcpiDmTableInfoFacs,
           &AslGbl_RootTable);
       if (ACPI_FAILURE (Status))
       {
           return (Status);
       }
   
       /* Large FACS reserved area at the end of the table */
   
       ReservedSize = (UINT32) sizeof (((ACPI_TABLE_FACS *) NULL)->Reserved1);
       ReservedBuffer = UtLocalCalloc (ReservedSize);
   
       DtCreateSubtable (ReservedBuffer, ReservedSize, &Subtable);
   
       ACPI_FREE (ReservedBuffer);
       DtInsertSubtable (AslGbl_RootTable, Subtable);
       return (AE_OK);
   }

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