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-rw-r--r--tools/binman/etype/mkimage.py62
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diff --git a/tools/binman/etype/mkimage.py b/tools/binman/etype/mkimage.py
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+# 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