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

     /******************************************************************************
      *
      * Module Name: aslmain - compiler main and utilities
      *
      *****************************************************************************/
     
     /******************************************************************************
      *
      * 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.
    *
    *****************************************************************************/
   
   #define _DECLARE_GLOBALS
   
   #include <contrib/dev/acpica/compiler/aslcompiler.h>
   #include <contrib/dev/acpica/include/acapps.h>
   #include <contrib/dev/acpica/include/acdisasm.h>
   #include <signal.h>
   
   #define _COMPONENT          ACPI_COMPILER
           ACPI_MODULE_NAME    ("aslmain")
   
   /*
    * Main routine for the iASL compiler.
    *
    * Portability note: The compiler depends upon the host for command-line
    * wildcard support - it is not implemented locally. For example:
    *
    * Linux/Unix systems: Shell expands wildcards automatically.
    *
    * Windows: The setargv.obj module must be linked in to automatically
    * expand wildcards.
    */
   
   /* Local prototypes */
   
   static void ACPI_SYSTEM_XFACE
   AslSignalHandler (
       int                     Sig);
   
   static void
   AslInitialize (
       void);
   
   
   /*******************************************************************************
    *
    * FUNCTION:    main
    *
    * PARAMETERS:  Standard argc/argv
    *
    * RETURN:      Program termination code
    *
    * DESCRIPTION: C main routine for the iASL Compiler/Disassembler. Process
    *  command line options and begin the compile/disassembly for each file on
    *  the command line (wildcards supported).
    *
    ******************************************************************************/
   
   int ACPI_SYSTEM_XFACE
   main (
       int                     argc,
       char                    **argv)
   {
       ACPI_STATUS             Status;
       int                     Index1;
       int                     Index2;
       int                     ReturnStatus = 0;
   
   
       signal (SIGINT, AslSignalHandler);
   
       /*
        * Big-endian machines are not currently supported. ACPI tables must
        * be little-endian, and support for big-endian machines needs to
        * be implemented.
        */
       if (UtIsBigEndianMachine ())
       {
           fprintf (stderr,
               "iASL is not currently supported on big-endian machines.\n");
           return (-1);
       }
   
       AcpiOsInitialize ();
       ACPI_DEBUG_INITIALIZE (); /* For debug version only */
   
       /* Initialize preprocessor and compiler before command line processing */
   
       AcpiGbl_ExternalFileList = NULL;
       AcpiDbgLevel = 0;
       PrInitializePreprocessor ();
       AslInitialize ();
   
       Index1 = Index2 =
           AslCommandLine (argc, argv);
   
       /* Allocate the line buffer(s), must be after command line */
   
       AslGbl_LineBufferSize /= 2;
       UtExpandLineBuffers ();
   
       /* Perform global actions first/only */
   
       if (AslGbl_DisassembleAll)
       {
           while (argv[Index1])
           {
               Status = AcpiDmAddToExternalFileList (argv[Index1]);
               if (ACPI_FAILURE (Status))
               {
                   return (-1);
               }
   
               Index1++;
           }
       }
   
       /* ACPICA subsystem initialization */
   
       Status = AdInitialize ();
       if (ACPI_FAILURE (Status))
       {
           return (Status);
       }
   
   
       /* Process each pathname/filename in the list, with possible wildcards */
   
       while (argv[Index2])
       {
           /*
            * If -p not specified, we will use the input filename as the
            * output filename prefix
            */
           if (AslGbl_UseDefaultAmlFilename)
           {
               AslGbl_OutputFilenamePrefix = argv[Index2];
               UtConvertBackslashes (AslGbl_OutputFilenamePrefix);
           }
   
           Status = AslDoOneFile (argv[Index2]);
           if (ACPI_FAILURE (Status))
           {
               ReturnStatus = -1;
           }
   
           Index2++;
       }
   
       /*
        * At this point, compilation of a data table or disassembly is complete.
        * However, if there is a parse tree, perform compiler analysis and
        * generate AML.
        */
       if (AslGbl_PreprocessOnly || AcpiGbl_DisasmFlag || !AslGbl_ParseTreeRoot)
       {
           goto CleanupAndExit;
       }
   
       CmDoAslMiddleAndBackEnd ();
   
       /*
        * At this point, all semantic analysis has been completed. Check
        * expected error messages before cleanup or conversion.
        */
       AslCheckExpectedExceptions ();
   
       /* ASL-to-ASL+ conversion - Perform immediate disassembly */
   
       if (AslGbl_DoAslConversion)
       {
           /* re-initialize ACPICA subsystem for disassembler */
   
           Status = AdInitialize ();
           if (ACPI_FAILURE (Status))
           {
               return (Status);
           }
   
           /*
            * New input file is the output AML file from above.
            * New output is from the input ASL file from above.
            */
           AslGbl_OutputFilenamePrefix = AslGbl_Files[ASL_FILE_INPUT].Filename;
           AslGbl_Files[ASL_FILE_INPUT].Filename =
               AslGbl_Files[ASL_FILE_AML_OUTPUT].Filename;
   
           CvDbgPrint ("Output filename: %s\n", AslGbl_OutputFilenamePrefix);
           fprintf (stderr, "\n");
   
           AcpiGbl_DisasmFlag = TRUE;
           AslDoDisassembly ();
           AcpiGbl_DisasmFlag = FALSE;
   
           /* delete the AML file. This AML file should never be utilized by AML interpreters. */
   
           FlDeleteFile (ASL_FILE_AML_OUTPUT);
       }
   
   
   CleanupAndExit:
   
       UtFreeLineBuffers ();
       AslParserCleanup ();
       AcpiDmClearExternalFileList();
       (void) AcpiTerminate ();
   
       /* CmCleanupAndExit is intended for the compiler only */
   
       if (!AcpiGbl_DisasmFlag)
       {
           ReturnStatus = CmCleanupAndExit ();
       }
   
   
       return (ReturnStatus);
   }
   
   
   /******************************************************************************
    *
    * FUNCTION:    AslSignalHandler
    *
    * PARAMETERS:  Sig                 - Signal that invoked this handler
    *
    * RETURN:      None
    *
    * DESCRIPTION: Signal interrupt handler. Delete any intermediate files and
    *              any output files that may be left in an indeterminate state.
    *              Currently handles SIGINT (control-c).
    *
    *****************************************************************************/
   
   static void ACPI_SYSTEM_XFACE
   AslSignalHandler (
       int                     Sig)
   {
       UINT32                  i;
   
   
       signal (Sig, SIG_IGN);
       fflush (stdout);
       fflush (stderr);
   
       switch (Sig)
       {
       case SIGINT:
   
           printf ("\n" ASL_PREFIX "<Control-C>\n");
           break;
   
       default:
   
           printf (ASL_PREFIX "Unknown interrupt signal (%d)\n", Sig);
           break;
       }
   
       /*
        * Close all open files
        * Note: the .pre file is the same as the input source file
        */
       if (AslGbl_Files)
       {
           AslGbl_Files[ASL_FILE_PREPROCESSOR].Handle = NULL;
   
           for (i = ASL_FILE_INPUT; i < ASL_MAX_FILE_TYPE; i++)
           {
               FlCloseFile (i);
           }
   
           /* Delete any output files */
   
           for (i = ASL_FILE_AML_OUTPUT; i < ASL_MAX_FILE_TYPE; i++)
           {
               FlDeleteFile (i);
           }
       }
   
       printf (ASL_PREFIX "Terminating\n");
       _exit (0);
   }
   
   
   /*******************************************************************************
    *
    * FUNCTION:    AslInitialize
    *
    * PARAMETERS:  None
    *
    * RETURN:      None
    *
    * DESCRIPTION: Initialize compiler globals
    *
    ******************************************************************************/
   
   static void
   AslInitialize (
       void)
   {
       AcpiGbl_DmOpt_Verbose = FALSE;
   
       /* Default integer width is 32 bits */
   
       AcpiGbl_IntegerBitWidth = 32;
       AcpiGbl_IntegerNybbleWidth = 8;
       AcpiGbl_IntegerByteWidth = 4;
   }

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