diff options
| -rw-r--r-- | tools/binman/README | 11 | ||||
| -rw-r--r-- | tools/binman/entry.py | 9 | ||||
| -rw-r--r-- | tools/binman/etype/blob.py | 19 |
3 files changed, 21 insertions, 18 deletions
diff --git a/tools/binman/README b/tools/binman/README index fe734c1e5f..abbf809b82 100644 --- a/tools/binman/README +++ b/tools/binman/README @@ -339,6 +339,10 @@ expand-size: limited by the size of the image/section and the position of the next entry. +compress: + Sets the compression algortihm to use (for blobs only). See the entry + documentation for details. + The attributes supported for images and sections are described below. Several are similar to those for entries. @@ -649,15 +653,16 @@ Compression ----------- Binman support compression for 'blob' entries (those of type 'blob' and -derivatives). To enable this for an entry, add a 'compression' property: +derivatives). To enable this for an entry, add a 'compress' property: blob { filename = "datafile"; - compression = "lz4"; + compress = "lz4"; }; The entry will then contain the compressed data, using the 'lz4' compression -algorithm. Currently this is the only one that is supported. +algorithm. Currently this is the only one that is supported. The uncompressed +size is written to the node in an 'uncomp-size' property, if -u is used. diff --git a/tools/binman/entry.py b/tools/binman/entry.py index e1cd0d3a88..8cccc2ed5f 100644 --- a/tools/binman/entry.py +++ b/tools/binman/entry.py @@ -51,6 +51,8 @@ class Entry(object): offset: Offset of entry within the section, None if not known yet (in which case it will be calculated by Pack()) size: Entry size in bytes, None if not known + uncomp_size: Size of uncompressed data in bytes, if the entry is + compressed, else None contents_size: Size of contents in bytes, 0 by default align: Entry start offset alignment, or None align_size: Entry size alignment, or None @@ -58,6 +60,7 @@ class Entry(object): pad_before: Number of pad bytes before the contents, 0 if none pad_after: Number of pad bytes after the contents, 0 if none data: Contents of entry (string of bytes) + compress: Compression algoithm used (e.g. 'lz4'), 'none' if none """ def __init__(self, section, etype, node, read_node=True, name_prefix=''): self.section = section @@ -66,6 +69,7 @@ class Entry(object): self.name = node and (name_prefix + node.name) or 'none' self.offset = None self.size = None + self.uncomp_size = None self.data = None self.contents_size = 0 self.align = None @@ -76,6 +80,7 @@ class Entry(object): self.offset_unset = False self.image_pos = None self._expand_size = False + self.compress = 'none' if read_node: self.ReadNode() @@ -188,6 +193,8 @@ class Entry(object): for prop in ['offset', 'size', 'image-pos']: if not prop in self._node.props: state.AddZeroProp(self._node, prop) + if self.compress != 'none': + state.AddZeroProp(self._node, 'uncomp-size') err = state.CheckAddHashProp(self._node) if err: self.Raise(err) @@ -198,6 +205,8 @@ class Entry(object): state.SetInt(self._node, 'size', self.size) state.SetInt(self._node, 'image-pos', self.image_pos - self.section.GetRootSkipAtStart()) + if self.uncomp_size is not None: + state.SetInt(self._node, 'uncomp-size', self.uncomp_size) state.CheckSetHashValue(self._node, self.GetData) def ProcessFdt(self, fdt): diff --git a/tools/binman/etype/blob.py b/tools/binman/etype/blob.py index a91e784700..ec94568ac0 100644 --- a/tools/binman/etype/blob.py +++ b/tools/binman/etype/blob.py @@ -33,8 +33,7 @@ class Entry_blob(Entry): def __init__(self, section, etype, node): Entry.__init__(self, section, etype, node) self._filename = fdt_util.GetString(self._node, 'filename', self.etype) - self._compress = fdt_util.GetString(self._node, 'compress', 'none') - self._uncompressed_size = None + self.compress = fdt_util.GetString(self._node, 'compress', 'none') def ObtainContents(self): self._filename = self.GetDefaultFilename() @@ -50,21 +49,11 @@ class Entry_blob(Entry): # the data in chunks and avoid reading it all at once. For now # this seems like an unnecessary complication. indata = tools.ReadFile(self._pathname) - if self._compress != 'none': - self._uncompressed_size = len(indata) - data = tools.Compress(indata, self._compress) + if self.compress != 'none': + self.uncomp_size = len(indata) + data = tools.Compress(indata, self.compress) self.SetContents(data) return True def GetDefaultFilename(self): return self._filename - - def AddMissingProperties(self): - Entry.AddMissingProperties(self) - if self._compress != 'none': - state.AddZeroProp(self._node, 'uncomp-size') - - def SetCalculatedProperties(self): - Entry.SetCalculatedProperties(self) - if self._uncompressed_size is not None: - state.SetInt(self._node, 'uncomp-size', self._uncompressed_size) |