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- # SPDX-License-Identifier: GPL-2.0+
- # Copyright (c) 2018 Google, Inc
- # Written by Simon Glass <sjg@chromium.org>
- #
- # Entry-type module for a set of files which are placed in individual
- # sub-entries
- #
- import glob
- import os
- from binman.etype.section import Entry_section
- from dtoc import fdt_util
- from patman import tools
- class Entry_files(Entry_section):
- """A set of files arranged in a section
- Properties / Entry arguments:
- - pattern: Filename pattern to match the files to include
- - files-compress: Compression algorithm to use:
- none: No compression
- lz4: Use lz4 compression (via 'lz4' command-line utility)
- - files-align: Align each file to the given alignment
- This entry reads a number of files and places each in a separate sub-entry
- within this entry. To access these you need to enable device-tree updates
- at run-time so you can obtain the file positions.
- """
- def __init__(self, section, etype, node):
- # Put this here to allow entry-docs and help to work without libfdt
- global state
- from binman import state
- super().__init__(section, etype, node)
- def ReadNode(self):
- super().ReadNode()
- self._pattern = fdt_util.GetString(self._node, 'pattern')
- if not self._pattern:
- self.Raise("Missing 'pattern' property")
- self._files_compress = fdt_util.GetString(self._node, 'files-compress',
- 'none')
- self._files_align = fdt_util.GetInt(self._node, 'files-align');
- self._require_matches = fdt_util.GetBool(self._node,
- 'require-matches')
- def ExpandEntries(self):
- files = tools.GetInputFilenameGlob(self._pattern)
- if self._require_matches and not files:
- self.Raise("Pattern '%s' matched no files" % self._pattern)
- for fname in files:
- if not os.path.isfile(fname):
- continue
- name = os.path.basename(fname)
- subnode = self._node.FindNode(name)
- if not subnode:
- subnode = state.AddSubnode(self._node, name)
- state.AddString(subnode, 'type', 'blob')
- state.AddString(subnode, 'filename', fname)
- state.AddString(subnode, 'compress', self._files_compress)
- if self._files_align:
- state.AddInt(subnode, 'align', self._files_align)
- # Read entries again, now that we have some
- self._ReadEntries()
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