#
# This file and its contents are supplied under the terms of the
# Common Development and Distribution License ("CDDL"), version 1.0.
# You may only use this file in accordance with the terms of version
# 1.0 of the CDDL.
#
# A full copy of the text of the CDDL should have accompanied this
# source.  A copy of the CDDL is also available via the Internet at
# http://www.illumos.org/license/CDDL.
#
# Copyright 2020 Joyent, Inc.
# Copyright 2016 RackTop Systems.
#

PROG=		acpixtract

include ../../Makefile.cmd
include ../../Makefile.ctf

OBJS =	axmain.o acpixtract.o axutils.o osunixxf.o utglobal.o getopt.o \
	utdebug.o osl.o utascii.o utmath.o utxferror.o utnonansi.o \
	utexcep.o
SRCS = $(OBJS:.o=.c)

VPATH = ../common:$(SRC)/common/acpica/utilities

#
# "the 'AX_IS_TABLE_BLOCK_HEADER' macro might need parens"
# (Reported) upstream bug.
#
SMOFF = all_func_returns,macros

CPPFLAGS += -I$(SRC)/uts/intel/sys/acpi -DACPI_XTRACT_APP
CPPFLAGS += -DACPI_DATE=\"`$(ECHO) $(VERSION) | sed -e 's/ /_/g'`\"

.KEEP_STATE:

all: $(PROG)

$(PROG): $(OBJS)
	$(LINK.c) -o $@ $(OBJS) $(LDLIBS)
	$(POST_PROCESS)

install: all $(ROOTUSRSBINPROG)

clean:
	$(RM) $(OBJS) $(PROG)

lint:	lint_SRCS

include ../../Makefile.targ
/******************************************************************************
 *
 * Module Name: acpixtract - Top level functions to convert ascii/hex
 *                           ACPI tables to the original binary tables
 *
 *****************************************************************************/

/******************************************************************************
 *
 * 1. Copyright Notice
 *
 * Some or all of this work - Copyright (c) 1999 - 2018, 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.
 *
 *****************************************************************************/

#include "acpixtract.h"


/******************************************************************************
 *
 * FUNCTION:    AxExtractTables
 *
 * PARAMETERS:  InputPathname       - Filename for input acpidump file
 *              Signature           - Requested ACPI signature to extract.
 *                                    NULL means extract ALL tables.
 *              MinimumInstances    - Min instances that are acceptable
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Convert text ACPI tables to binary
 *
 ******************************************************************************/

int
AxExtractTables (
    char                    *InputPathname,
    char                    *Signature,
    unsigned int            MinimumInstances)
{
    FILE                    *InputFile;
    FILE                    *OutputFile = NULL;
    unsigned int            BytesConverted;
    unsigned int            ThisTableBytesWritten = 0;
    unsigned int            FoundTable = 0;
    unsigned int            Instances = 0;
    unsigned int            ThisInstance;
    char                    ThisSignature[5];
    char                    UpperSignature[5];
    int                     Status = 0;
    unsigned int            State = AX_STATE_FIND_HEADER;


    /* Open input in text mode, output is in binary mode */

    InputFile = fopen (InputPathname, "r");
    if (!InputFile)
    {
        printf ("Could not open input file %s\n", InputPathname);
        return (-1);
    }

    if (!AxIsFileAscii (InputFile))
    {
        fclose (InputFile);
        return (-1);
    }

    if (Signature)
    {
        strncpy (UpperSignature, Signature, ACPI_NAME_SIZE);
        AcpiUtStrupr (UpperSignature);

        /* Are there enough instances of the table to continue? */

        AxNormalizeSignature (UpperSignature);
        Instances = AxCountTableInstances (InputPathname, UpperSignature);

        if (Instances < MinimumInstances)
        {
            printf ("Table [%s] was not found in %s\n",
                UpperSignature, InputPathname);
            fclose (InputFile);
            return (0);             /* Don't abort */
        }

        if (Instances == 0)
        {
            fclose (InputFile);
            return (-1);
        }
    }

    /* Convert all instances of the table to binary */

    while (fgets (Gbl_LineBuffer, AX_LINE_BUFFER_SIZE, InputFile))
    {
        /*
         * Check up front if we have a header line of the form:
         * DSDT @ 0xdfffd0c0 (10999 bytes)
         */
        if (AX_IS_TABLE_BLOCK_HEADER &&
            (State == AX_STATE_EXTRACT_DATA))
        {
            /* End of previous table, start of new table */

            if (ThisTableBytesWritten)
            {
                printf (AX_TABLE_INFO_FORMAT, ThisSignature, ThisTableBytesWritten,
                    ThisTableBytesWritten, Gbl_OutputFilename);
            }
            else
            {
                Gbl_TableCount--;
            }

            State = AX_STATE_FIND_HEADER;
        }

        switch (State)
        {
        case AX_STATE_FIND_HEADER:

            if (!AxIsDataBlockHeader ())
            {
                continue;
            }

            ACPI_MOVE_NAME (ThisSignature, Gbl_LineBuffer);
            if (Signature)
            {
                /* Ignore signatures that don't match */

                if (!ACPI_COMPARE_NAME (ThisSignature, UpperSignature))
                {
                    continue;
                }
            }

            /*
             * Get the instance number for this signature. Only the
             * SSDT and PSDT tables can have multiple instances.
             */
            ThisInstance = AxGetNextInstance (InputPathname, ThisSignature);

            /* Build an output filename and create/open the output file */

            if (ThisInstance > 0)
            {
                /* Add instance number to the output filename */

                sprintf (Gbl_OutputFilename, "%4.4s%u.dat",
                    ThisSignature, ThisInstance);
            }
            else
            {
                sprintf (Gbl_OutputFilename, "%4.4s.dat",
                    ThisSignature);
            }

            AcpiUtStrlwr (Gbl_OutputFilename);
            OutputFile = fopen (Gbl_OutputFilename, "w+b");
            if (!OutputFile)
            {
                printf ("Could not open output file %s\n",
                    Gbl_OutputFilename);
                fclose (InputFile);
                return (-1);
            }

            /*
             * Toss this block header of the form "<sig> @ <addr>" line
             * and move on to the actual data block
             */
            Gbl_TableCount++;
            FoundTable = 1;
            ThisTableBytesWritten = 0;
            State = AX_STATE_EXTRACT_DATA;
            continue;

        case AX_STATE_EXTRACT_DATA:

            if (!AxIsHexDataLine ())
            {
                continue;   /* Toss any lines that are not raw hex data */
            }

            /* Empty line or non-data line terminates the data block */

            BytesConverted = AxConvertAndWrite (OutputFile, ThisSignature,
                ThisTableBytesWritten);
            switch (BytesConverted)
            {
            case 0:

                State = AX_STATE_FIND_HEADER; /* No more data block lines */
                continue;

            case -1:

                goto CleanupAndExit; /* There was a write error */

            default: /* Normal case, get next line */

                ThisTableBytesWritten += BytesConverted;
                continue;
            }

        default:

            Status = -1;
            goto CleanupAndExit;
        }
    }

    if (!FoundTable)
    {
        printf ("No ACPI tables were found in %s\n", InputPathname);
    }


CleanupAndExit:

    if (State == AX_STATE_EXTRACT_DATA)
    {
        /* Received an input file EOF while extracting data */

        printf (AX_TABLE_INFO_FORMAT, ThisSignature, ThisTableBytesWritten,
            ThisTableBytesWritten, Gbl_OutputFilename);
    }

    if (OutputFile)
    {
        fclose (OutputFile);
    }

    fclose (InputFile);
    return (Status);
}


/******************************************************************************
 *
 * FUNCTION:    AxExtractToMultiAmlFile
 *
 * PARAMETERS:  InputPathname       - Filename for input acpidump file
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Convert all DSDT/SSDT tables to binary and append them all
 *              into a single output file. Used to simplify the loading of
 *              multiple/many SSDTs into a utility like acpiexec -- instead
 *              of creating many separate output files.
 *
 ******************************************************************************/

int
AxExtractToMultiAmlFile (
    char                    *InputPathname)
{
    FILE                    *InputFile;
    FILE                    *OutputFile;
    int                     Status = 0;
    unsigned int            TotalBytesWritten = 0;
    unsigned int            ThisTableBytesWritten = 0;
    unsigned int            BytesConverted;
    char                    ThisSignature[4];
    unsigned int            State = AX_STATE_FIND_HEADER;


    strcpy (Gbl_OutputFilename, AX_MULTI_TABLE_FILENAME);

    /* Open the input file in text mode */

    InputFile = fopen (InputPathname, "r");
    if (!InputFile)
    {
        printf ("Could not open input file %s\n", InputPathname);
        return (-1);
    }

    if (!AxIsFileAscii (InputFile))
    {
        fclose (InputFile);
        return (-1);
    }

    /* Open the output file in binary mode */

    OutputFile = fopen (Gbl_OutputFilename, "w+b");
    if (!OutputFile)
    {
        printf ("Could not open output file %s\n", Gbl_OutputFilename);
        fclose (InputFile);
        return (-1);
    }

    /* Convert the DSDT and all SSDTs to binary */

    while (fgets (Gbl_LineBuffer, AX_LINE_BUFFER_SIZE, InputFile))
    {
        /*
         * Check up front if we have a header line of the form:
         * DSDT @ 0xdfffd0c0 (10999 bytes)
         */
        if (AX_IS_TABLE_BLOCK_HEADER &&
            (State == AX_STATE_EXTRACT_DATA))
        {
            /* End of previous table, start of new table */

            if (ThisTableBytesWritten)
            {
                printf (AX_TABLE_INFO_FORMAT, ThisSignature, ThisTableBytesWritten,
                    ThisTableBytesWritten, Gbl_OutputFilename);
            }
            else
            {
                Gbl_TableCount--;
            }

            State = AX_STATE_FIND_HEADER;
        }

        switch (State)
        {
        case AX_STATE_FIND_HEADER:

            if (!AxIsDataBlockHeader ())
            {
                continue;
            }

            ACPI_MOVE_NAME (ThisSignature, Gbl_LineBuffer);

            /* Only want DSDT and SSDTs */

            if (!ACPI_COMPARE_NAME (ThisSignature, ACPI_SIG_DSDT) &&
                !ACPI_COMPARE_NAME (ThisSignature, ACPI_SIG_SSDT))
            {
                continue;
            }

            /*
             * Toss this block header of the form "<sig> @ <addr>" line
             * and move on to the actual data block
             */
            Gbl_TableCount++;
            ThisTableBytesWritten = 0;
            State = AX_STATE_EXTRACT_DATA;
            continue;

        case AX_STATE_EXTRACT_DATA:

            if (!AxIsHexDataLine ())
            {
                continue;   /* Toss any lines that are not raw hex data */
            }

            /* Empty line or non-data line terminates the data block */

            BytesConverted = AxConvertAndWrite (
                OutputFile, ThisSignature, ThisTableBytesWritten);
            switch (BytesConverted)
            {
            case 0:

                State = AX_STATE_FIND_HEADER; /* No more data block lines */
                continue;

            case -1:

                goto CleanupAndExit; /* There was a write error */

            default: /* Normal case, get next line */

                ThisTableBytesWritten += BytesConverted;
                TotalBytesWritten += BytesConverted;
                continue;
            }

        default:

            Status = -1;
            goto CleanupAndExit;
        }
    }


CleanupAndExit:

    if (State == AX_STATE_EXTRACT_DATA)
    {
        /* Received an input file EOF or error while writing data */

        printf (AX_TABLE_INFO_FORMAT, ThisSignature, ThisTableBytesWritten,
            ThisTableBytesWritten, Gbl_OutputFilename);
    }

    printf ("\n%u binary ACPI tables extracted and written to %s (%u bytes)\n",
        Gbl_TableCount, Gbl_OutputFilename, TotalBytesWritten);

    fclose (InputFile);
    fclose (OutputFile);
    return (Status);
}


/******************************************************************************
 *
 * FUNCTION:    AxListAllTables
 *
 * PARAMETERS:  InputPathname       - Filename for acpidump file
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Display info for all ACPI tables found in input. Does not
 *              perform an actual extraction of the tables.
 *
 ******************************************************************************/

int
AxListAllTables (
    char                    *InputPathname)
{
    FILE                    *InputFile;
    unsigned char           Header[48];
    UINT32                  ByteCount = 0;
    unsigned int            State = AX_STATE_FIND_HEADER;


    /* Open input in text mode, output is in binary mode */

    InputFile = fopen (InputPathname, "r");
    if (!InputFile)
    {
        printf ("Could not open input file %s\n", InputPathname);
        return (-1);
    }

    if (!AxIsFileAscii (InputFile))
    {
        fclose (InputFile);
        return (-1);
    }

    /* Info header */

    printf ("\n Signature  Length    Version Oem       Oem         "
        "Oem         Compiler Compiler\n");
    printf (  "                              Id        TableId     "
        "RevisionId  Name     Revision\n");
    printf (  " _________  __________  ____  ________  __________  "
        "__________  _______  __________\n\n");

    /* Dump the headers for all tables found in the input file */

    while (fgets (Gbl_LineBuffer, AX_LINE_BUFFER_SIZE, InputFile))
    {
        /* Ignore empty lines */

        if (AxIsEmptyLine (Gbl_LineBuffer))
        {
            continue;
        }

        /*
         * Check up front if we have a header line of the form:
         * DSDT @ 0xdfffd0c0 (10999 bytes)
         */
        if (AX_IS_TABLE_BLOCK_HEADER &&
            (State == AX_STATE_EXTRACT_DATA))
        {
            State = AX_STATE_FIND_HEADER;
        }

        switch (State)
        {
        case AX_STATE_FIND_HEADER:

            ByteCount = 0;
            if (!AxIsDataBlockHeader ())
            {
                continue;
            }

            State = AX_STATE_EXTRACT_DATA;
            continue;

        case AX_STATE_EXTRACT_DATA:

            /* Ignore any lines that don't look like a data line */

            if (!AxIsHexDataLine ())
            {
                continue;   /* Toss any lines that are not raw hex data */
            }

            /* Convert header to hex and display it */

            ByteCount += AxConvertToBinary (Gbl_LineBuffer, &Header[ByteCount]);
            if (ByteCount >= sizeof (ACPI_TABLE_HEADER))
            {
                AxDumpTableHeader (Header);
                State = AX_STATE_FIND_HEADER;
            }
            continue;

        default:
            break;
        }
    }

    printf ("\nFound %u ACPI tables in %s\n", Gbl_TableCount, InputPathname);
    fclose (InputFile);
    return (0);
}
/******************************************************************************
 *
 * Module Name: acpixtract.h - Include for acpixtract utility
 *
 *****************************************************************************/

/******************************************************************************
 *
 * 1. Copyright Notice
 *
 * Some or all of this work - Copyright (c) 1999 - 2018, 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.
 *
 *****************************************************************************/

#include "acpi.h"
#include "accommon.h"
#include "acapps.h"
#include <stdio.h>


#undef ACPI_GLOBAL

#ifdef DEFINE_ACPIXTRACT_GLOBALS
#define ACPI_GLOBAL(type,name) \
    extern type name; \
    type name

#else
#define ACPI_GLOBAL(type,name) \
    extern type name
#endif


/* Options */

#define AX_EXTRACT_ALL              0
#define AX_LIST_ALL                 1
#define AX_EXTRACT_SIGNATURE        2
#define AX_EXTRACT_AML_TABLES       3
#define AX_EXTRACT_MULTI_TABLE      4

#define AX_OPTIONAL_TABLES          0
#define AX_REQUIRED_TABLE           1

#define AX_UTILITY_NAME             "ACPI Binary Table Extraction Utility"
#define AX_SUPPORTED_OPTIONS        "afhlms:v^"
#define AX_MULTI_TABLE_FILENAME     "amltables.dat"
#define AX_TABLE_INFO_FORMAT        "  %4.4s - %7u bytes written (0x%8.8X) - %s\n"

/* Extraction states */

#define AX_STATE_FIND_HEADER        0
#define AX_STATE_EXTRACT_DATA       1

/* Miscellaneous constants */

#define AX_LINE_BUFFER_SIZE         256
#define AX_MIN_BLOCK_HEADER_LENGTH  6   /* strlen ("DSDT @") */
#define AX_HEX_DATA_LENGTH          49  /*  (3 * 16) + 1 for the colon delimiter */
#define AX_IS_TABLE_BLOCK_HEADER    (strlen (Gbl_LineBuffer) < AX_HEX_DATA_LENGTH) && \
                                    (strstr (Gbl_LineBuffer, " @ "))


typedef struct AxTableInfo
{
    UINT32                  Signature;
    unsigned int            Instances;
    unsigned int            NextInstance;
    struct AxTableInfo      *Next;

} AX_TABLE_INFO;


/* Globals */

ACPI_GLOBAL (char,           Gbl_LineBuffer[AX_LINE_BUFFER_SIZE]);
ACPI_GLOBAL (char,           Gbl_HeaderBuffer[AX_LINE_BUFFER_SIZE]);
ACPI_GLOBAL (char,           Gbl_InstanceBuffer[AX_LINE_BUFFER_SIZE]);
ACPI_GLOBAL (AX_TABLE_INFO, *Gbl_TableListHead);
ACPI_GLOBAL (char,           Gbl_OutputFilename[32]);
ACPI_GLOBAL (unsigned char,  Gbl_BinaryData[16]);
ACPI_GLOBAL (unsigned int,   Gbl_TableCount);
ACPI_GLOBAL (BOOLEAN,        Gbl_ForceExtraction);


/*
 * acpixtract.c
 */
int
AxExtractTables (
    char                    *InputPathname,
    char                    *Signature,
    unsigned int            MinimumInstances);

int
AxExtractToMultiAmlFile (
    char                    *InputPathname);

int
AxListAllTables (
    char                    *InputPathname);


/*
 * axutils.c
 */
unsigned int
AxCountTableInstances (
    char                    *InputPathname,
    char                    *Signature);

unsigned int
AxGetNextInstance (
    char                    *InputPathname,
    char                    *Signature);

void
AxNormalizeSignature (
    char                    *Signature);

void
AxCheckAscii (
    char                    *Name,
    int                     Count);

BOOLEAN
AxIsFileAscii (
    FILE                    *Handle);

BOOLEAN
AxIsHexDataLine (
    void);

BOOLEAN
AxIsEmptyLine (
    char                    *Buffer);

BOOLEAN
AxIsDataBlockHeader (
    void);

long
AxConvertAndWrite (
    FILE                    *OutputFile,
    char                    *ThisSignature,
    unsigned int            ThisTableBytesWritten);

size_t
AxConvertToBinary (
    char                    *InputLine,
    unsigned char           *OutputData);

void
AxDumpTableHeader (
    unsigned char           *Header);
/******************************************************************************
 *
 * Module Name: axmain - main module for acpixtract utility
 *
 *****************************************************************************/

/******************************************************************************
 *
 * 1. Copyright Notice
 *
 * Some or all of this work - Copyright (c) 1999 - 2018, 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 DEFINE_ACPIXTRACT_GLOBALS
#include "acpixtract.h"


/* Local prototypes */

static void
DisplayUsage (
    void);


/******************************************************************************
 *
 * FUNCTION:    DisplayUsage
 *
 * DESCRIPTION: Usage message
 *
 ******************************************************************************/

static void
DisplayUsage (
    void)
{

    ACPI_USAGE_HEADER ("acpixtract [option] <InputFile>");

    ACPI_OPTION ("-a",                  "Extract all tables, not just DSDT/SSDT");
    ACPI_OPTION ("-f",                  "Force extraction, even if there are errors");
    ACPI_OPTION ("-l",                  "List table summaries, do not extract");
    ACPI_OPTION ("-m",                  "Extract multiple DSDT/SSDTs to a single file");
    ACPI_OPTION ("-s <signature>",      "Extract all tables with <signature>");
    ACPI_OPTION ("-v",                  "Display version information");
    ACPI_OPTION ("-vd",                 "Display build date and time");

    ACPI_USAGE_TEXT ("\nExtract binary ACPI tables from text acpidump output\n");
    ACPI_USAGE_TEXT ("Default invocation extracts the DSDT and all SSDTs\n");
}


/******************************************************************************
 *
 * FUNCTION:    main
 *
 * DESCRIPTION: C main function
 *
 ******************************************************************************/

int
main (
    int                     argc,
    char                    *argv[])
{
    char                    *Filename;
    int                     AxAction;
    int                     Status;
    int                     j;


    Gbl_TableCount = 0;
    Gbl_TableListHead = NULL;
    Gbl_ForceExtraction = FALSE;
    AxAction = AX_EXTRACT_AML_TABLES; /* Default: DSDT & SSDTs */

    ACPI_DEBUG_INITIALIZE (); /* For debug version only */
    AcpiOsInitialize ();
    printf (ACPI_COMMON_SIGNON (AX_UTILITY_NAME));

    if (argc < 2)
    {
        DisplayUsage ();
        return (0);
    }

    /* Command line options */

    while ((j = AcpiGetopt (argc, argv, AX_SUPPORTED_OPTIONS)) != ACPI_OPT_END) switch (j)
    {
    case 'a':

        AxAction = AX_EXTRACT_ALL;          /* Extract all tables found */
        break;

    case 'f':

        Gbl_ForceExtraction = TRUE;           /* Ignore errors */
        break;

    case 'l':

        AxAction = AX_LIST_ALL;             /* List tables only, do not extract */
        break;

    case 'm':

        AxAction = AX_EXTRACT_MULTI_TABLE;  /* Make single file for all DSDT/SSDTs */
        break;

    case 's':

        AxAction = AX_EXTRACT_SIGNATURE;    /* Extract only tables with this sig */
        break;

    case 'v':

        switch (AcpiGbl_Optarg[0])
        {
        case '^':  /* -v: (Version): signon already emitted, just exit */

            exit (0);

        case 'd':

            printf (ACPI_COMMON_BUILD_TIME);
            return (0);

        default:

            printf ("Unknown option: -v%s\n", AcpiGbl_Optarg);
            return (-1);
        }
        break;

    case 'h':
    default:

        DisplayUsage ();
        return (0);
    }

    /* Input filename is always required */

    Filename = argv[AcpiGbl_Optind];
    if (!Filename)
    {
        printf ("Missing required input filename\n");
        return (-1);
    }

    /* Perform requested action */

    switch (AxAction)
    {
    case AX_EXTRACT_ALL:

        Status = AxExtractTables (Filename, NULL, AX_OPTIONAL_TABLES);
        break;

    case AX_EXTRACT_MULTI_TABLE:

        Status = AxExtractToMultiAmlFile (Filename);
        break;

    case AX_LIST_ALL:

        Status = AxListAllTables (Filename);
        break;

    case AX_EXTRACT_SIGNATURE:

        Status = AxExtractTables (Filename, AcpiGbl_Optarg, AX_REQUIRED_TABLE);
        break;

    default:
        /*
         * Default output is the DSDT and all SSDTs. One DSDT is required,
         * any SSDTs are optional.
         */
        Status = AxExtractTables (Filename, "DSDT", AX_REQUIRED_TABLE);
        if (Status)
        {
            return (Status);
        }

        Status = AxExtractTables (Filename, "SSDT", AX_OPTIONAL_TABLES);
        break;
    }

    return (Status);
}
/******************************************************************************
 *
 * Module Name: axutils - Utility functions for acpixtract tool.
 *
 *****************************************************************************/

/******************************************************************************
 *
 * 1. Copyright Notice
 *
 * Some or all of this work - Copyright (c) 1999 - 2018, 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.
 *
 *****************************************************************************/

#include "acpixtract.h"


/*******************************************************************************
 *
 * FUNCTION:    AxCheckAscii
 *
 * PARAMETERS:  Name                - Ascii string, at least as long as Count
 *              Count               - Number of characters to check
 *
 * RETURN:      None
 *
 * DESCRIPTION: Ensure that the requested number of characters are printable
 *              Ascii characters. Sets non-printable and null chars to <space>.
 *
 ******************************************************************************/

void
AxCheckAscii (
    char                    *Name,
    int                     Count)
{
    int                     i;


    for (i = 0; i < Count; i++)
    {
        if (!Name[i] || !isprint ((int) Name[i]))
        {
            Name[i] = ' ';
        }
    }
}


/*******************************************************************************
 *
 * FUNCTION:    AxIsFileAscii
 *
 * PARAMETERS:  Handle              - To open input file
 *
 * RETURN:      TRUE if file is entirely ASCII and printable
 *
 * DESCRIPTION: Verify that the input file is entirely ASCII.
 *
 ******************************************************************************/

BOOLEAN
AxIsFileAscii (
    FILE                    *Handle)
{
    UINT8                   Byte;
    UINT32                  Offset = 0;


    /* Read the entire file */

    fseek (Handle, 0, SEEK_SET);
    while (fread (&Byte, 1, 1, Handle) == 1)
    {
        /*
         * Ignore null characters. Some acpidump-type utilities insert
         * a few of these, probably a bug in the utility. As long as these
         * characters are in lines that are tossed (non-data), they
         * won't cause a problem.
         */
        if (!Byte)
        {
            continue;
        }

        /* Check for an ASCII character */

        if (!ACPI_IS_ASCII (Byte))
        {
            printf ("Found non-ascii char: %2.2X at file offset %u (0x%X)\n",
                Byte, Offset, Offset);
            if (!Gbl_ForceExtraction)
            {
                goto ErrorExit;
            }
        }

        /* Ensure character is either printable or a "space" char */

        else if (!isprint (Byte) && !isspace (Byte))
        {
            printf ("Found non-printable char: %2.2X at file offset %u (0x%X)\n",
                Byte, Offset, Offset);
            if (!Gbl_ForceExtraction)
            {
                goto ErrorExit;
            }
        }

        Offset++;
    }

    /* File is OK (100% ASCII) */

    fseek (Handle, 0, SEEK_SET);
    return (TRUE);

ErrorExit:

    printf ("File appears to be binary "
        "(contains non-text or non-ascii characters)\n");
    fseek (Handle, 0, SEEK_SET);
    return (FALSE);
}


/******************************************************************************
 *
 * FUNCTION:    AxIsEmptyLine
 *
 * PARAMETERS:  Buffer              - Line from input file
 *
 * RETURN:      TRUE if line is empty (zero or more blanks only)
 *
 * DESCRIPTION: Determine if an input line is empty.
 *
 ******************************************************************************/

BOOLEAN
AxIsEmptyLine (
    char                    *Buffer)
{

    /* Skip all spaces */

    while (*Buffer == ' ')
    {
        Buffer++;
    }

    /* Line is empty when a Unix or DOS-style line terminator is found. */

    if ((*Buffer == '\r') || (*Buffer == '\n'))
    {
        return (1);
    }

    return (0);
}


/******************************************************************************
 *
 * FUNCTION:    AxIsHexDataLine
 *
 * PARAMETERS:  None
 *
 * RETURN:      Status. 1 if the table header is valid, 0 otherwise.
 *
 * DESCRIPTION: Check for a valid line of hex data of the form:
 *
 *  00a0: 0c 00 00 00 03 00 00 00 43 48 41 35 0c 00 00 00  ........CHA5....
 *
 ******************************************************************************/

BOOLEAN
AxIsHexDataLine (
    void)
{

    if (AxIsEmptyLine (Gbl_LineBuffer) ||
        (Gbl_LineBuffer[0] != ' '))
    {
        return (FALSE);
    }

    if (!strstr (Gbl_LineBuffer, ": "))
    {
        /* Not valid data line */

        return (FALSE);
    }

    return (TRUE);
}


/******************************************************************************
 *
 * FUNCTION:    AxIsDataBlockHeader
 *
 * PARAMETERS:  None
 *
 * RETURN:      Status. 1 if the table header is valid, 0 otherwise.
 *
 * DESCRIPTION: Check if the ACPI table identifier in the input acpidump text
 *              file is valid (of the form: <sig> @ <addr>).
 *
 ******************************************************************************/

BOOLEAN
AxIsDataBlockHeader (
    void)
{

    /* Ignore lines that are too short to be header lines */

    if (strlen (Gbl_LineBuffer) < AX_MIN_BLOCK_HEADER_LENGTH)
    {
        return (FALSE);
    }

    /* Ignore empty lines and lines that start with a space */

    if (AxIsEmptyLine (Gbl_LineBuffer) ||
        (Gbl_LineBuffer[0] == ' '))
    {
        return (FALSE);
    }

    /*
     * Ignore lines that are not headers of the form <sig> @ <addr>.
     * Basically, just look for the '@' symbol, surrounded by spaces.
     *
     * Examples of headers that must be supported:
     *
     * DSDT @ 0x737e4000
     * XSDT @ 0x737f2fff
     * RSD PTR @ 0xf6cd0
     * SSDT @ (nil)
     */
    if (!AX_IS_TABLE_BLOCK_HEADER)
    {
        return (FALSE);
    }

    AxNormalizeSignature (Gbl_LineBuffer);
    return (TRUE);
}


/*******************************************************************************
 *
 * FUNCTION:    AxNormalizeSignature
 *
 * PARAMETERS:  Name                - Ascii string containing an ACPI signature
 *
 * RETURN:      None
 *
 * DESCRIPTION: Change "RSD PTR" to "RSDP"
 *
 ******************************************************************************/

void
AxNormalizeSignature (
    char                    *Signature)
{

    if (!strncmp (Signature, "RSD ", 4))
    {
        Signature[3] = 'P';
    }
}


/******************************************************************************
 *
 * FUNCTION:    AxConvertToBinary
 *
 * PARAMETERS:  InputLine           - One line from the input acpidump file
 *              OutputData          - Where the converted data is returned
 *
 * RETURN:      The number of bytes actually converted
 *
 * DESCRIPTION: Convert one line of ascii text binary (up to 16 bytes)
 *
 * NOTE: Assumes the input data line has been validated to be of the form:
 *
 *  0010: 48 53 57 55 4c 54 2d 52 01 00 00 00 49 4e 54 4c  HSWULT-R....INTL
 *
 ******************************************************************************/

size_t
AxConvertToBinary (
    char                    *InputLine,
    unsigned char           *OutputData)
{
    char                    *ColonDelimiter;
    int                     BytesConverted;
    int                     Converted[16];
    int                     i;


    /*
     * Terminate input line immediately after the data. Otherwise, the
     * second line below will not scan correctly.
     *
     * This handles varying lengths for the offset: line prefix. This support
     * for tables larger than 1mb was added 05/2018.
     *
     *    00b0: 03 00 00 00 43 48 41 36 0c 00 00 00 03 00 00 00  ....CHA6........
     *    00c0: 43 48 41 37                                      CHA7
     *
     *    012340b0: 03 00 00 00 43 48 41 36 0c 00 00 00 03 00 00 00  ....CHA6........
     *    012340c0: 43 48 41 37                                      CHA7
     */
    ColonDelimiter = strchr (InputLine, ':');
    ColonDelimiter [AX_HEX_DATA_LENGTH] = 0;

    /*
     * Convert one line of table data, of the form:
     * <offset>: <up to 16 bytes of hex data> <ASCII representation> <newline>
     *
     * Example:
     * 02C0: 5F 53 42 5F 4C 4E 4B 44 00 12 13 04 0C FF FF 08  _SB_LNKD........
     */
    BytesConverted = sscanf (InputLine,
        "%*s %2X %2X %2X %2X %2X %2X %2X %2X %2X %2X %2X %2X %2X %2X %2X %2X",
        &Converted[0],  &Converted[1],  &Converted[2],  &Converted[3],
        &Converted[4],  &Converted[5],  &Converted[6],  &Converted[7],
        &Converted[8],  &Converted[9],  &Converted[10], &Converted[11],
        &Converted[12], &Converted[13], &Converted[14], &Converted[15]);

    /* Pack converted data into a byte array */

    for (i = 0; i < BytesConverted; i++)
    {
        OutputData[i] = (unsigned char) Converted[i];
    }

    return ((size_t) BytesConverted);
}


/******************************************************************************
 *
 * FUNCTION:    AxCountTableInstances
 *
 * PARAMETERS:  InputPathname       - Filename for acpidump file
 *              Signature           - Requested signature to count
 *
 * RETURN:      The number of instances of the signature
 *
 * DESCRIPTION: Count the instances of tables with the given signature within
 *              the input acpidump file.
 *
 ******************************************************************************/

unsigned int
AxCountTableInstances (
    char                    *InputPathname,
    char                    *Signature)
{
    FILE                    *InputFile;
    unsigned int            Instances = 0;


    InputFile = fopen (InputPathname, "r");
    if (!InputFile)
    {
        printf ("Could not open input file %s\n", InputPathname);
        return (0);
    }

    /* Count the number of instances of this signature */

    while (fgets (Gbl_InstanceBuffer, AX_LINE_BUFFER_SIZE, InputFile))
    {
        /* Ignore empty lines and lines that start with a space */

        if (AxIsEmptyLine (Gbl_InstanceBuffer) ||
            (Gbl_InstanceBuffer[0] == ' '))
        {
            continue;
        }

        AxNormalizeSignature (Gbl_InstanceBuffer);
        if (ACPI_COMPARE_NAME (Gbl_InstanceBuffer, Signature))
        {
            Instances++;
        }
    }

    fclose (InputFile);
    return (Instances);
}


/******************************************************************************
 *
 * FUNCTION:    AxGetNextInstance
 *
 * PARAMETERS:  InputPathname       - Filename for acpidump file
 *              Signature           - Requested ACPI signature
 *
 * RETURN:      The next instance number for this signature. Zero if this
 *              is the first instance of this signature.
 *
 * DESCRIPTION: Get the next instance number of the specified table. If this
 *              is the first instance of the table, create a new instance
 *              block. Note: only SSDT and PSDT tables can have multiple
 *              instances.
 *
 ******************************************************************************/

unsigned int
AxGetNextInstance (
    char                    *InputPathname,
    char                    *Signature)
{
    AX_TABLE_INFO           *Info;


    Info = Gbl_TableListHead;
    while (Info)
    {
        if (*(UINT32 *) Signature == Info->Signature)
        {
            break;
        }

        Info = Info->Next;
    }

    if (!Info)
    {
        /* Signature not found, create new table info block */

        Info = malloc (sizeof (AX_TABLE_INFO));
        if (!Info)
        {
            printf ("Could not allocate memory (0x%X bytes)\n",
                (unsigned int) sizeof (AX_TABLE_INFO));
            exit (0);
        }

        Info->Signature = *(UINT32 *) Signature;
        Info->Instances = AxCountTableInstances (InputPathname, Signature);
        Info->NextInstance = 1;
        Info->Next = Gbl_TableListHead;
        Gbl_TableListHead = Info;
    }

    if (Info->Instances > 1)
    {
        return (Info->NextInstance++);
    }

    return (0);
}


/******************************************************************************
 *
 * FUNCTION:    AxConvertAndWrite
 *
 * PARAMETERS:  OutputFile              - Where to write the binary data
 *              ThisSignature           - Signature of current ACPI table
 *              ThisTableBytesWritten   - Total count of data written
 *
 * RETURN:      Length of the converted line
 *
 * DESCRIPTION: Convert one line of input hex ascii text to binary, and write
 *              the binary data to the table output file.
 *
 * NOTE: Assumes the input data line has been validated to be of the form:
 *
 *  0010: 48 53 57 55 4c 54 2d 52 01 00 00 00 49 4e 54 4c  HSWULT-R....INTL
 *
 ******************************************************************************/

long
AxConvertAndWrite (
    FILE                    *OutputFile,
    char                    *ThisSignature,
    unsigned int            ThisTableBytesWritten)
{
    size_t                  BytesWritten;
    size_t                  BytesConverted;


    /* Convert one line of ascii hex data to binary */

    BytesConverted = AxConvertToBinary (Gbl_LineBuffer, Gbl_BinaryData);

    /* Write the binary data */

    if (!BytesConverted)
    {
        return (0);
    }

    BytesWritten = fwrite (Gbl_BinaryData, 1, BytesConverted, OutputFile);
    if (BytesWritten != BytesConverted)
    {
        printf ("Error while writing file %s\n", Gbl_OutputFilename);
        return (-1);
    }

    return (BytesWritten);
}


/******************************************************************************
 *
 * FUNCTION:    AxDumpTableHeader
 *
 * PARAMETERS:  Header          - A binary ACPI table header
 *
 * RETURN:      None
 *
 * DESCRIPTION: Display the contents of a standard ACPI table header
 *
 ******************************************************************************/

void
AxDumpTableHeader (
    unsigned char           *Header)
{
    ACPI_TABLE_HEADER       *TableHeader = (ACPI_TABLE_HEADER *) (void *) Header;
    ACPI_TABLE_RSDP         *Rsdp = (ACPI_TABLE_RSDP *) (void *) Header;
    ACPI_TABLE_FACS         *Facs = (ACPI_TABLE_FACS *) (void *) Header;


    /* RSDP has an oddball signature and header */

    if (!strncmp (TableHeader->Signature, "RSD PTR ", 8))
    {
        AxCheckAscii ((char *) &Header[9], 6);

        Gbl_TableCount++;
        printf (" %.2u) %5.4s  0x%8.8X  0x%2.2X  \"%6.6s\"\n",
            Gbl_TableCount, "RSDP", Rsdp->Length, Rsdp->Revision, Rsdp->OemId);
        return;
    }

    if (!AcpiUtValidNameseg (TableHeader->Signature))
    {
        return;
    }

    /* Signature and Table length */

    Gbl_TableCount++;
    printf (" %.2u) %5.4s  0x%8.8X", Gbl_TableCount, TableHeader->Signature,
        TableHeader->Length);

    /* FACS has only signature and length */

    if (ACPI_COMPARE_NAME (TableHeader->Signature, "FACS"))
    {
        printf ("  0x%2.2X\n", Facs->Version);
        return;
    }

    /* OEM IDs and Compiler IDs */

    AxCheckAscii (TableHeader->OemId, 6);
    AxCheckAscii (TableHeader->OemTableId, 8);
    AxCheckAscii (TableHeader->AslCompilerId, 4);

    printf (
        "  0x%2.2X  \"%6.6s\"  \"%8.8s\"  0x%8.8X"
        "  \"%4.4s\"   0x%8.8X\n",
        TableHeader->Revision, TableHeader->OemId,
        TableHeader->OemTableId, TableHeader->OemRevision,
        TableHeader->AslCompilerId, TableHeader->AslCompilerRevision);
}


#ifdef _AX_FUTURE_ENHANCEMENTS

/* Possible enhancement to validate table lengths */

void
AxCheckTableLengths (
    UINT32                  ByteCount,
    UINT32                  AmlByteCount)
{

    if (AmlByteCount == 0)
    {
        return;
    }

    if (ByteCount == 0)
    {
        return;
    }

    if ((ByteCount < sizeof (ACPI_TABLE_HEADER)) &&
        (ByteCount >= ACPI_NAME_SIZE))
    {
        printf ("  : (Table too short for an ACPI table)");
    }

    else if (ByteCount != AmlByteCount)
    {
        printf ("  : (Hex data length mismatch with AML length 0x%X)",
            AmlByteCount);
    }

    printf ("\n");
}
#endif