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Diffstat (limited to 'tools/binman/etype/mkimage.py')
-rw-r--r-- | tools/binman/etype/mkimage.py | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/tools/binman/etype/mkimage.py b/tools/binman/etype/mkimage.py new file mode 100644 index 0000000000..1aa563963a --- /dev/null +++ b/tools/binman/etype/mkimage.py @@ -0,0 +1,62 @@ +# SPDX-License-Identifier: GPL-2.0+ +# Copyright (c) 2016 Google, Inc +# Written by Simon Glass <sjg@chromium.org> +# +# Entry-type module for producing an image using mkimage +# + +from collections import OrderedDict + +from binman.entry import Entry +from dtoc import fdt_util +from patman import tools + +class Entry_mkimage(Entry): + """Entry containing a binary produced by mkimage + + Properties / Entry arguments: + - datafile: Filename for -d argument + - args: Other arguments to pass + + The data passed to mkimage is collected from subnodes of the mkimage node, + e.g.: + + mkimage { + args = "-n test -T imximage"; + + u-boot-spl { + }; + }; + + This calls mkimage to create an imximage with u-boot-spl.bin as the input + file. The output from mkimage then becomes part of the image produced by + binman. + """ + def __init__(self, section, etype, node): + Entry.__init__(self, section, etype, node) + self._args = fdt_util.GetString(self._node, 'args').split(' ') + self._mkimage_entries = OrderedDict() + self._ReadSubnodes() + + def ObtainContents(self): + data = b'' + for entry in self._mkimage_entries.values(): + # First get the input data and put it in a file. If not available, + # try later. + if not entry.ObtainContents(): + return False + data += entry.GetData() + uniq = self.GetUniqueName() + input_fname = tools.GetOutputFilename('mkimage.%s' % uniq) + tools.WriteFile(input_fname, data) + output_fname = tools.GetOutputFilename('mkimage-out.%s' % uniq) + tools.Run('mkimage', '-d', input_fname, *self._args, output_fname) + self.SetContents(tools.ReadFile(output_fname)) + return True + + def _ReadSubnodes(self): + """Read the subnodes to find out what should go in this image""" + for node in self._node.subnodes: + entry = Entry.Create(self, node) + entry.ReadNode() + self._mkimage_entries[entry.name] = entry |