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# Inputs          : $outdir             - Target directory
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# Inputs          : $outdir             - Target directory
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#                   $image_name         - Root name of the output image
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#                   $image_name         - Root name of the output image
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#                   $WORK               - Root of file system image
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#                   $WORK               - Root of file system image
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#                   $BUILD              - Scratch Work Area
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#                   $BUILD              - Scratch Work Area
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#                   $disk_blocks        - Size of target disk
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#                   $disk_blocks        - Size of target disk
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#                   $fullfs             - Size of test full fs
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#
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#
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# Returns         :
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# Returns         :
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#
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#
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sub CreateSdImage
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sub CreateSdImage
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{
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{
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    my ($outdir,$image_name,$WORK, $BUILD, $disk_blocks) = @_;
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    my ($outdir,$image_name,$WORK, $BUILD, $disk_blocks, $fullfs) = @_;
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    my $install_grub = ( -f "$WORK/boot/grub/grub" );
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    #
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    #   Ensure that the required utility programs can be found and that they
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    #   are being consumed from packages and not from the users path
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    #
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    Error ( "Required utility program not found in package: e2fsimage" )
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        unless ( LocateProgInPath ('e2fsimage' ) );
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    Error ( "Required utility program not found in package: grub" )
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        unless ( ! $install_grub || LocateProgInPath ('grub' ) );
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    #
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    #   Insert size of the FullFS
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    #   May be zero
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    #
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    $partitions{0}{size} = $fullfs;
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    #
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    #
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    #
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    #
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    #   Magic: The size of the SD card
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    #   Magic: The size of the SD card
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    #          This was determined by 'dd' ing an SD card and using the number of
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    #          This was determined by 'dd' ing an SD card and using the number of
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    #   Install grub into the MBR of the file system [ optional]
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    #   Install grub into the MBR of the file system [ optional]
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    #   This is only required for an x86 target and will detected by the
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    #   This is only required for an x86 target and will detected by the
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    #   presence of a key grub file
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    #   presence of a key grub file
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    #   The grub files will have been copied into the filesystem image earlier
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    #   The grub files will have been copied into the filesystem image earlier
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    #
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    #
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    if ( -f "$WORK/boot/grub/grub" )
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    if ( $install_grub )
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    {
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    {
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        Message ("Installing Grub into the MBR");
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        Message ("Installing Grub into the MBR");
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        #
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        #
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        #   Need to run a copy of grab (built for the build machine) on the image
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        #   Need to run a copy of grab (built for the build machine) on the image
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        #
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        #
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        #   Need a command file to feed into grub
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        #   Need a command file to feed into grub
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        #   Prevent grub from scanning bios
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        #   Prevent grub from scanning bios
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    my $pdata = $partitions{$FS_PART} || Error ("Unknown partition number: $FS_PART");
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    my $pdata = $partitions{$FS_PART} || Error ("Unknown partition number: $FS_PART");
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    my $FS_IMAGE = $pdata->{name};
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    my $FS_IMAGE = $pdata->{name};
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    my $FS_BASE =  $pdata->{root};
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    my $FS_BASE =  $pdata->{root};
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    my $FS_SIZE = $pdata->{size} / 2;
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    my $FS_SIZE = $pdata->{size} / 2;
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    #
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    #   The 'full' image may not be required
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    #   It will have a zero size
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    #
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    return unless ( $FS_SIZE );
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    Message "Creating EXT3 file system: ${FS_IMAGE}, Partition: ${FS_PART}, Size: ${FS_SIZE} blocks";
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    Message "Creating EXT3 file system: ${FS_IMAGE}, Partition: ${FS_PART}, Size: ${FS_SIZE} blocks";
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    $FS_IMAGE = "${BUILD}/${FS_IMAGE}.ext3";
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    $FS_IMAGE = "${BUILD}/${FS_IMAGE}.ext3";
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    $pdata->{fsname} = $FS_IMAGE;
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    $pdata->{fsname} = $FS_IMAGE;
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    unlink ${FS_IMAGE};
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    unlink ${FS_IMAGE};