From: Stefan Herbrechtsmeier stefan.herbrechtsmeier@weidmueller.com
Add gzip bintool to binman to support on-the-fly compression of Linux kernel images and FPGA bitstreams. The SPL basic fitImage implementation supports only gzip decompression.
Signed-off-by: Stefan Herbrechtsmeier stefan.herbrechtsmeier@weidmueller.com
---
Changes in v3: - Rebase
Changes in v2: - Added
tools/binman/btool/gzip.py | 31 +++++++++++++++++++++++++++++++ tools/binman/comp_util.py | 4 +++- 2 files changed, 34 insertions(+), 1 deletion(-) create mode 100644 tools/binman/btool/gzip.py
diff --git a/tools/binman/btool/gzip.py b/tools/binman/btool/gzip.py new file mode 100644 index 0000000000..0d75028120 --- /dev/null +++ b/tools/binman/btool/gzip.py @@ -0,0 +1,31 @@ +# SPDX-License-Identifier: GPL-2.0+ +# Copyright (C) 2022 Weidmüller Interface GmbH & Co. KG +# Stefan Herbrechtsmeier stefan.herbrechtsmeier@weidmueller.com +# +"""Bintool implementation for gzip + +gzip allows compression and decompression of files. + +Documentation is available via:: + + man gzip +""" + +from binman import bintool + +# pylint: disable=C0103 +class Bintoolgzip(bintool.BintoolPacker): + """Compression/decompression using the gzip algorithm + + This bintool supports running `gzip` to compress and decompress data, as + used by binman. + + It is also possible to fetch the tool, which uses `apt` to install it. + + Documentation is available via:: + + man gzip + """ + def __init__(self, name): + super().__init__(name, compress_args=[], + version_regex=r'gzip ([0-9.]+)') diff --git a/tools/binman/comp_util.py b/tools/binman/comp_util.py index 6ec371b145..19627e490c 100644 --- a/tools/binman/comp_util.py +++ b/tools/binman/comp_util.py @@ -8,6 +8,7 @@ This supports the following compression algorithm: none bzip2 + gzip lz4 lzma
@@ -16,6 +17,7 @@ provided by xz.
This requires the following tools: bzip2 + gzip lz4 lzma_alone
@@ -29,7 +31,7 @@ from binman import bintool from patman import tools
# Supported compression algorithms -ALGORITHMS = ['bzip2', 'lz4', 'lzma'] +ALGORITHMS = ['bzip2', 'gzip', 'lz4', 'lzma']
bintools = {}