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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):
"""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):
super().__init__(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
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