diff options
Diffstat (limited to 'tools/binman/entry.py')
| -rw-r--r-- | tools/binman/entry.py | 51 |
1 files changed, 47 insertions, 4 deletions
diff --git a/tools/binman/entry.py b/tools/binman/entry.py index dc26f8f167b..bf68a85b245 100644 --- a/tools/binman/entry.py +++ b/tools/binman/entry.py @@ -78,6 +78,8 @@ class Entry(object): external: True if this entry contains an external binary blob bintools: Bintools used by this entry (only populated for Image) missing_bintools: List of missing bintools for this entry + update_hash: True if this entry's "hash" subnode should be + updated with a hash of the entry contents """ def __init__(self, section, etype, node, name_prefix=''): # Put this here to allow entry-docs and help to work without libfdt @@ -111,6 +113,7 @@ class Entry(object): self.allow_fake = False self.bintools = {} self.missing_bintools = [] + self.update_hash = True @staticmethod def FindEntryClass(etype, expanded): @@ -315,9 +318,11 @@ class Entry(object): if self.compress != 'none': state.AddZeroProp(self._node, 'uncomp-size') - err = state.CheckAddHashProp(self._node) - if err: - self.Raise(err) + + if self.update_hash: + err = state.CheckAddHashProp(self._node) + if err: + self.Raise(err) def SetCalculatedProperties(self): """Set the value of device-tree properties calculated by binman""" @@ -333,7 +338,9 @@ class Entry(object): state.SetInt(self._node, 'orig-size', self.orig_size, True) if self.uncomp_size is not None: state.SetInt(self._node, 'uncomp-size', self.uncomp_size) - state.CheckSetHashValue(self._node, self.GetData) + + if self.update_hash: + state.CheckSetHashValue(self._node, self.GetData) def ProcessFdt(self, fdt): """Allow entries to adjust the device tree @@ -1108,3 +1115,39 @@ features to produce new behaviours. btool = bintool.Bintool.create(name) tools[name] = btool return btool + + def SetUpdateHash(self, update_hash): + """Set whether this entry's "hash" subnode should be updated + + Args: + update_hash: True if hash should be updated, False if not + """ + self.update_hash = update_hash + + def collect_contents_to_file(self, entries, prefix): + """Put the contents of a list of entries into a file + + Args: + entries (list of Entry): Entries to collect + prefix (str): Filename prefix of file to write to + + If any entry does not have contents yet, this function returns False + for the data. + + Returns: + Tuple: + bytes: Concatenated data from all the entries (or False) + str: Filename of file written (or False if no data) + str: Unique portion of filename (or False if no data) + """ + data = b'' + for entry in entries: + # First get the input data and put it in a file. If not available, + # try later. + if not entry.ObtainContents(): + return False, False, False + data += entry.GetData() + uniq = self.GetUniqueName() + fname = tools.get_output_filename(f'{prefix}.{uniq}') + tools.write_file(fname, data) + return data, fname, uniq |