| # 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 section import Entry_section |
| import fdt_util |
| import state |
| import tools |
| |
| import bsection |
| |
| class Entry_files(Entry_section): |
| """Entry containing a set of files |
| |
| Properties / Entry arguments: |
| - pattern: Filename pattern to match the files to include |
| - compress: Compression algorithm to use: |
| none: No compression |
| lz4: Use lz4 compression (via 'lz4' command-line utility) |
| |
| 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): |
| Entry_section.__init__(self, section, etype, node) |
| self._pattern = fdt_util.GetString(self._node, 'pattern') |
| if not self._pattern: |
| self.Raise("Missing 'pattern' property") |
| self._compress = fdt_util.GetString(self._node, 'compress', 'none') |
| 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._compress) |
| |
| # Read entries again, now that we have some |
| self._section._ReadEntries() |