示例#1
0
    def ProcessFdt(self, fdt):
        # So the module can be loaded without it
        from dtoc import fdt

        # If the section does not need microcode, there is nothing to do
        ucode_dest_entry = self.section.FindEntryType(
            'u-boot-spl-with-ucode-ptr')
        if not ucode_dest_entry or not ucode_dest_entry.target_offset:
            ucode_dest_entry = self.section.FindEntryType(
                'u-boot-tpl-with-ucode-ptr')
        if not ucode_dest_entry or not ucode_dest_entry.target_offset:
            ucode_dest_entry = self.section.FindEntryType(
                'u-boot-with-ucode-ptr')
        if not ucode_dest_entry or not ucode_dest_entry.target_offset:
            return True

        # Remove the microcode
        etype = self.GetFdtEtype()
        fdt = state.GetFdtForEtype(etype)
        self.ucode = fdt.GetNode('/microcode')
        if not self.ucode:
            raise self.Raise("No /microcode node found in '%s'" % etype)

        # There's no need to collate it (move all microcode into one place)
        # if we only have one chunk of microcode.
        self.collate = len(self.ucode.subnodes) > 1
        for node in self.ucode.subnodes:
            data_prop = node.props.get('data')
            if data_prop:
                self.ucode_data += data_prop.bytes
                if self.collate:
                    node.DeleteProp('data')
        return True
示例#2
0
def Binman(args):
    """The main control code for binman

    This assumes that help and test options have already been dealt with. It
    deals with the core task of building images.

    Args:
        args: Command line arguments Namespace object
    """
    global Image
    global state

    if args.full_help:
        tools.PrintFullHelp(
            os.path.join(os.path.dirname(os.path.realpath(sys.argv[0])),
                         'README.rst'))
        return 0

    # Put these here so that we can import this module without libfdt
    from binman.image import Image
    from binman import state

    if args.cmd in ['ls', 'extract', 'replace']:
        try:
            tout.Init(args.verbosity)
            tools.PrepareOutputDir(None)
            if args.cmd == 'ls':
                ListEntries(args.image, args.paths)

            if args.cmd == 'extract':
                ExtractEntries(args.image, args.filename, args.outdir,
                               args.paths, not args.uncompressed)

            if args.cmd == 'replace':
                ReplaceEntries(args.image,
                               args.filename,
                               args.indir,
                               args.paths,
                               do_compress=not args.compressed,
                               allow_resize=not args.fix_size,
                               write_map=args.map)
        except:
            raise
        finally:
            tools.FinaliseOutputDir()
        return 0

    elf_params = None
    if args.update_fdt_in_elf:
        elf_params = args.update_fdt_in_elf.split(',')
        if len(elf_params) != 4:
            raise ValueError(
                'Invalid args %s to --update-fdt-in-elf: expected infile,outfile,begin_sym,end_sym'
                % elf_params)

    # Try to figure out which device tree contains our image description
    if args.dt:
        dtb_fname = args.dt
    else:
        board = args.board
        if not board:
            raise ValueError(
                'Must provide a board to process (use -b <board>)')
        board_pathname = os.path.join(args.build_dir, board)
        dtb_fname = os.path.join(board_pathname, 'u-boot.dtb')
        if not args.indir:
            args.indir = ['.']
        args.indir.append(board_pathname)

    try:
        tout.Init(args.verbosity)
        elf.debug = args.debug
        cbfs_util.VERBOSE = args.verbosity > 2
        state.use_fake_dtb = args.fake_dtb

        # Normally we replace the 'u-boot' etype with 'u-boot-expanded', etc.
        # When running tests this can be disabled using this flag. When not
        # updating the FDT in image, it is not needed by binman, but we use it
        # for consistency, so that the images look the same to U-Boot at
        # runtime.
        use_expanded = not args.no_expanded
        try:
            tools.SetInputDirs(args.indir)
            tools.PrepareOutputDir(args.outdir, args.preserve)
            tools.SetToolPaths(args.toolpath)
            state.SetEntryArgs(args.entry_arg)
            state.SetThreads(args.threads)

            images = PrepareImagesAndDtbs(dtb_fname, args.image,
                                          args.update_fdt, use_expanded)

            if args.test_section_timeout:
                # Set the first image to timeout, used in testThreadTimeout()
                images[list(images.keys())[0]].test_section_timeout = True
            invalid = False
            for image in images.values():
                invalid |= ProcessImage(image,
                                        args.update_fdt,
                                        args.map,
                                        allow_missing=args.allow_missing,
                                        allow_fake_blobs=args.fake_ext_blobs)

            # Write the updated FDTs to our output files
            for dtb_item in state.GetAllFdts():
                tools.WriteFile(dtb_item._fname, dtb_item.GetContents())

            if elf_params:
                data = state.GetFdtForEtype('u-boot-dtb').GetContents()
                elf.UpdateFile(*elf_params, data)

            if invalid:
                tout.Warning("\nSome images are invalid")

            # Use this to debug the time take to pack the image
            #state.TimingShow()
        finally:
            tools.FinaliseOutputDir()
    finally:
        tout.Uninit()

    return 0