diff options
| -rw-r--r-- | tools/binman/control.py | 103 |
1 files changed, 57 insertions, 46 deletions
diff --git a/tools/binman/control.py b/tools/binman/control.py index dc898be617..a92056846d 100644 --- a/tools/binman/control.py +++ b/tools/binman/control.py @@ -169,6 +169,62 @@ def ExtractEntries(image_fname, output_fname, outdir, entry_paths, return einfos +def ProcessImage(image, update_fdt, write_map): + """Perform all steps for this image, including checking and # writing it. + + This means that errors found with a later image will be reported after + earlier images are already completed and written, but that does not seem + important. + + Args: + image: Image to process + update_fdt: True to update the FDT wth entry offsets, etc. + write_map: True to write a map file + """ + image.GetEntryContents() + image.GetEntryOffsets() + + # We need to pack the entries to figure out where everything + # should be placed. This sets the offset/size of each entry. + # However, after packing we call ProcessEntryContents() which + # may result in an entry changing size. In that case we need to + # do another pass. Since the device tree often contains the + # final offset/size information we try to make space for this in + # AddMissingProperties() above. However, if the device is + # compressed we cannot know this compressed size in advance, + # since changing an offset from 0x100 to 0x104 (for example) can + # alter the compressed size of the device tree. So we need a + # third pass for this. + passes = 3 + for pack_pass in range(passes): + try: + image.PackEntries() + image.CheckSize() + image.CheckEntries() + except Exception as e: + if write_map: + fname = image.WriteMap() + print("Wrote map file '%s' to show errors" % fname) + raise + image.SetImagePos() + if update_fdt: + image.SetCalculatedProperties() + for dtb_item in state.GetFdts(): + dtb_item.Sync() + sizes_ok = image.ProcessEntryContents() + if sizes_ok: + break + image.ResetForPack() + if not sizes_ok: + image.Raise('Entries expanded after packing (tried %s passes)' % + passes) + + image.WriteSymbols() + image.BuildImage() + if write_map: + image.WriteMap() + + def Binman(args): """The main control code for binman @@ -279,52 +335,7 @@ def Binman(args): dtb_item.Flush() for image in images.values(): - # Perform all steps for this image, including checking and - # writing it. This means that errors found with a later - # image will be reported after earlier images are already - # completed and written, but that does not seem important. - image.GetEntryContents() - image.GetEntryOffsets() - - # We need to pack the entries to figure out where everything - # should be placed. This sets the offset/size of each entry. - # However, after packing we call ProcessEntryContents() which - # may result in an entry changing size. In that case we need to - # do another pass. Since the device tree often contains the - # final offset/size information we try to make space for this in - # AddMissingProperties() above. However, if the device is - # compressed we cannot know this compressed size in advance, - # since changing an offset from 0x100 to 0x104 (for example) can - # alter the compressed size of the device tree. So we need a - # third pass for this. - passes = 3 - for pack_pass in range(passes): - try: - image.PackEntries() - image.CheckSize() - image.CheckEntries() - except Exception as e: - if args.map: - fname = image.WriteMap() - print("Wrote map file '%s' to show errors" % fname) - raise - image.SetImagePos() - if args.update_fdt: - image.SetCalculatedProperties() - for dtb_item in state.GetFdts(): - dtb_item.Sync() - sizes_ok = image.ProcessEntryContents() - if sizes_ok: - break - image.ResetForPack() - if not sizes_ok: - image.Raise('Entries expanded after packing (tried %s passes)' % - passes) - - image.WriteSymbols() - image.BuildImage() - if args.map: - image.WriteMap() + ProcessImage(image, args.update_fdt, args.map) # Write the updated FDTs to our output files for dtb_item in state.GetFdts(): |