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File acpi_validate of Package acpica

#!/bin/bash
#
# Copyright (c) 2012 SUSE Linux Products GmbH
# Thomas Renninger <trenn@suse.de>
#
# This program is free software; you can redistribute it and/or modify it
# under the terms and conditions of the GNU General Public License,
# version 2, as published by the Free Software Foundation.
#
# This program is distributed in the hope it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
# more details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
#
                                                                             
OUTPUT_DIR="$PWD"
VERBOSE=0
# Disable remarks and resource checks. The latter often/mostly generates
# false positive warnings. Can be overridden via -c option
COMPILE_OPTIONS="-sa -cr -vr -in"
DISASSEMBLE_OPTIONS="-in"
OUTPUT="/dev/null"
ACPIDUMP=""
MUST_BE_ROOT=1

function usage()
{
    echo "acpi_validate [ -o output_dir ] [ -v ] [ -a acpidump ]"
    echo "              [ -c compile_options ] [ -d disassemble_options ]"
    echo
    echo "This tool extracts, disassembles and recompiles ACPI BIOS tables."
    echo "The disassembled files will be copied into the local or specified"
    echo "output directory (-o option)."
    echo
    echo "The underlying iasl compiler verifies and may complain about"
    echo "correctness of some of the BIOS tables."
    echo "These can give a pointer to possible malfunction of the system."
    echo
    echo "If you think you found a bug in the iasl compiler or related tools,"
    echo "you can ask here for help: devel@acpica.org"
    echo "You may also want to ask there if you are not sure whether it really"
    echo "is a BIOS bug."
    echo
    echo "If you are sure you found a BIOS issue, complain to your hardware vendor."
    echo "The iasl compiler typically provides a description of the warning/error in a way,"
    echo "so that BIOS authors can easily fix it."
    echo
    echo "Options"
    echo "   -o output_dir: Copy tables to this directory instead of local one"
    echo "   -v:          : be more verbose"
    echo "   -a acpidump  : Use this acpidump file"
    echo "                  instead of the tables from the local machine"
    echo "   -d options   : Pass iasl disassemble options"
    echo "   -c options   : Pass iasl compile options"
    echo "                  will override -sa -cr -vr (default options)"
    echo "   -h           : Show help"
    exit 1
}

while getopts hva:o:c:d: name ; do
    case $name in
        o)
	    OUTPUT_DIR="$OPTARG"
	    if [ ! -d "$OUTPUT_DIR" ];then
		mkdir "$OUTPUT_DIR"
		if [[ $? != 0 ]];then
		    echo "Cannot create directory $OUTPUT_DIR"
		    exit 1
		fi
	    elif [ ! -w "$OUTPUT_DIR" ];then
		echo "Cannot write into directory $OUTPUT_DIR"
		exit 1
	    fi

[[ $VERBOSE == 1 ]] && echo "Installing for architecture: $OUTPUT_DIR"
	    ;;
        a)
	    ACPIDUMP="$OPTARG"
	    if [ ! -r "$ACPIDUMP" ];then
		echo "$ACPIDUMP does not exist"
		exit 1
	    fi
	    [[ $VERBOSE == 1 ]] && echo "acpidump file: $ACPIDUMP"
	    MUST_BE_ROOT=0
	    ;;
        c)
	    COMPILE_OPTIONS="$OPTARG"
	    [[ $VERBOSE == 1 ]] && echo "Compile options: $COMPILE_OPTIONS"
	    ;;
        c)
	    DISASSEMBLE_OPTIONS="$OPTARG"
	    [[ $VERBOSE == 1 ]] && echo "Disassemble options: $DISASSEMBLE_OPTIONS"
	    ;;
        v)
            VERBOSE=1
	    OUTPUT="1"
            ;;
        ?)
	    usage
	    ;;
    esac
done
shift $(($OPTIND -1))

if [[ $MUST_BE_ROOT == 1 ]] && [ "$(id -u)" != "0" ]; then
   echo "This script must be run as root"
   echo "(or use -a acpidump option and pass already dumped acpi tables)"
   exit 1
fi

shopt -s nocasematch
TEMP_DIR=$(mktemp -d)
[[ $VERBOSE == 1 ]] && echo "Using temporary directory: $TEMP_DIR"

if [ -r "$ACPIDUMP" ];then
    cp "$ACPIDUMP" "$TEMP_DIR"/acpidump
fi

pushd "$TEMP_DIR" >/dev/null

mkdir log
mkdir err
if [ ! -r acpidump ];then
    acpidump >acpidump
fi
acpixtract -a acpidump >&$OUTPUT 2>&1

# ACPICA changed from uppercase to lowercase, try to find both:
SDTs=$(ls [SD]DST*.dat 2>/dev/null)
SDTs="${SDTs}$(ls [sd]sdt*.dat 2>/dev/null)"

for file in *.dat;do
    table=${file/.dat/}
    # Enable case insensitive pattern matching

case $file in
	[DS]SDT*.dat | [sd]sdt*.dat)
		# Use other [sd]sdt*.dat tables to reference possible
		# external symbols. Pass the table itself for disassembling
		# comma separted.
		# For example you we have:
		# dsdt.dat ssdt1 ssdt2.dat
		# and the current table to disassemble is ssdt1.dat the
		# command has to be:
		# iasl -e dsdt.dat,ssdt2.dat -d ssdt1.dat

# Get rid of the table which gets disassembled
		# could have leading or trailing whitespace depending whether
		# it is at the end or the beginning of the list
		REF_TABLE_LIST=${SDTs/[[:space:]]$file/}
		REF_TABLE_LIST=${REF_TABLE_LIST/$file[[:space:]]/}
		# Convert the whitespace list into a comma separated one:
		REF_TABLE_LIST=${REF_TABLE_LIST//[[:space:]]/,}
		if [ "$REF_TABLE_LIST" != "" ];then
		    FINAL_DISASSEMBLE_OPTIONS="-e ${REF_TABLE_LIST} $DISASSEMBLE_OPTIONS"
		else
		    FINAL_DISASSEMBLE_OPTIONS="$DISASSEMBLE_OPTIONS"
		fi
		echo "stdout and stderr of $file disassembling:" >log/${table}.log
		[[ $VERBOSE == 1 ]] && echo "iasl $FINAL_DISASSEMBLE_OPTIONS -d $file 1>>log/${table}.log 2>&1"
		iasl $FINAL_DISASSEMBLE_OPTIONS -d $file 1>>log/${table}.log 2>&1
		[[ $VERBOSE == 1 ]] && echo "iasl $COMPILE_OPTIONS ${table}.dsl 1>>log/${table}.log 2>>err/${table}.err"
		iasl $COMPILE_OPTIONS ${table}.dsl 1>>log/${table}.log 2>>err/${table}.err
		;;
	*.dat)
		iasl -d $file 1>log/${table}.log 2>&1
		iasl -sa ${table}.dsl 1>log/${table}.log 2>err/${table}.err
		;;
    esac
done

# remove empty error files
rm $(find err -size 0)
ERR_TABLES=$(ls err)
ERR_TABLES=${ERR_TABLES//.err/}

popd >/dev/null
cp -r "$TEMP_DIR"/* "$OUTPUT_DIR"

if [[ $VERBOSE == 1 ]];then
    echo "Temporary directory (undeleted): $TEMP_DIR"
else
    rm -rf "$TEMP_DIR"
fi

if [ "$ERR_TABLES" = "" ];then
    echo "No errors or warnings detected"
    exit 0
else
    echo "These tables have warnings or errors (details in "$OUTPUT_DIR"/err directory):"
    for err in $ERR_TABLES;do
	echo -n $err $'\t'
	sed -n -e 's/Compilation complete. $.* Errors, .* Warnings$.*/\1/p' "$OUTPUT_DIR"/log/$err.log
    done
    exit 1
fi

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File acpi_validate of Package acpica

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