diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/binman/control.py | 24 | ||||
| -rw-r--r-- | tools/binman/etype/section.py | 3 | ||||
| -rw-r--r-- | tools/binman/image.py | 17 |
3 files changed, 36 insertions, 8 deletions
diff --git a/tools/binman/control.py b/tools/binman/control.py index 9c0cafe..9709aa9 100644 --- a/tools/binman/control.py +++ b/tools/binman/control.py @@ -28,7 +28,7 @@ images = OrderedDict() # value: Text for the help missing_blob_help = {} -def _ReadImageDesc(binman_node): +def _ReadImageDesc(binman_node, use_expanded): """Read the image descriptions from the /binman node This normally produces a single Image object called 'image'. But if @@ -36,15 +36,17 @@ def _ReadImageDesc(binman_node): Args: binman_node: Node object of the /binman node + use_expanded: True if the FDT will be updated with the entry information Returns: OrderedDict of Image objects, each of which describes an image """ images = OrderedDict() if 'multiple-images' in binman_node.props: for node in binman_node.subnodes: - images[node.name] = Image(node.name, node) + images[node.name] = Image(node.name, node, + use_expanded=use_expanded) else: - images['image'] = Image('image', binman_node) + images['image'] = Image('image', binman_node, use_expanded=use_expanded) return images def _FindBinmanNode(dtb): @@ -399,7 +401,7 @@ def ReplaceEntries(image_fname, input_fname, indir, entry_paths, return image -def PrepareImagesAndDtbs(dtb_fname, select_images, update_fdt): +def PrepareImagesAndDtbs(dtb_fname, select_images, update_fdt, use_expanded): """Prepare the images to be processed and select the device tree This function: @@ -413,6 +415,9 @@ def PrepareImagesAndDtbs(dtb_fname, select_images, update_fdt): dtb_fname: Filename of the device tree file to use (.dts or .dtb) selected_images: List of images to output, or None for all update_fdt: True to update the FDT wth entry offsets, etc. + use_expanded: True to use expanded versions of entries, if available. + So if 'u-boot' is called for, we use 'u-boot-expanded' instead. This + is needed if update_fdt is True (although tests may disable it) Returns: OrderedDict of images: @@ -438,7 +443,7 @@ def PrepareImagesAndDtbs(dtb_fname, select_images, update_fdt): raise ValueError("Device tree '%s' does not have a 'binman' " "node" % dtb_fname) - images = _ReadImageDesc(node) + images = _ReadImageDesc(node, use_expanded) if select_images: skip = [] @@ -611,6 +616,13 @@ def Binman(args): 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) @@ -618,7 +630,7 @@ def Binman(args): state.SetEntryArgs(args.entry_arg) images = PrepareImagesAndDtbs(dtb_fname, args.image, - args.update_fdt) + args.update_fdt, use_expanded) missing = False for image in images.values(): missing |= ProcessImage(image, args.update_fdt, args.map, diff --git a/tools/binman/etype/section.py b/tools/binman/etype/section.py index 2103919..2f862bd 100644 --- a/tools/binman/etype/section.py +++ b/tools/binman/etype/section.py @@ -84,7 +84,8 @@ class Entry_section(Entry): for node in self._node.subnodes: if node.name.startswith('hash') or node.name.startswith('signature'): continue - entry = Entry.Create(self, node) + entry = Entry.Create(self, node, + expanded=self.GetImage().use_expanded) entry.ReadNode() entry.SetPrefix(self._name_prefix) self._entries[node.name] = entry diff --git a/tools/binman/image.py b/tools/binman/image.py index e949435..10778f4 100644 --- a/tools/binman/image.py +++ b/tools/binman/image.py @@ -47,9 +47,23 @@ class Image(section.Entry_section): exception). This should be used if the Image is being loaded from a file rather than generated. In that case we obviously don't need the entry arguments since the contents already exists. + use_expanded: True if we are updating the FDT wth entry offsets, etc. + and should use the expanded versions of the U-Boot entries. + Any entry type that includes a devicetree must put it in a + separate entry so that it will be updated. For example. 'u-boot' + normally just picks up 'u-boot.bin' which includes the + devicetree, but this is not updateable, since it comes into + binman as one piece and binman doesn't know that it is actually + an executable followed by a devicetree. Of course it could be + taught this, but then when reading an image (e.g. 'binman ls') + it may need to be able to split the devicetree out of the image + in order to determine the location of things. Instead we choose + to ignore 'u-boot-bin' in this case, and build it ourselves in + binman with 'u-boot-dtb.bin' and 'u-boot.dtb'. See + Entry_u_boot_expanded and Entry_blob_phase for details. """ def __init__(self, name, node, copy_to_orig=True, test=False, - ignore_missing=False): + ignore_missing=False, use_expanded=False): super().__init__(None, 'section', node, test=test) self.copy_to_orig = copy_to_orig self.name = 'main-section' @@ -59,6 +73,7 @@ class Image(section.Entry_section): self.fdtmap_data = None self.allow_repack = False self._ignore_missing = ignore_missing + self.use_expanded = use_expanded if not test: self.ReadNode() |