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binman: Select compression bintools in cbfs_util class

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Select the lz4 and lzma_alone bintools in cbfs_util class to centralize
the supported compression algorithm evaluation inside the class and over
multiple classes.

Signed-off-by: Stefan Herbrechtsmeier <stefan.herbrechtsmeier@weidmueller.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Stefan Herbrechtsmeier 2022-08-19 16:25:29 +02:00 committed by Simon Glass
parent cbe2e75d00
commit edafeb8da6
2 changed files with 13 additions and 11 deletions
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20
tools/binman/cbfs_util.py
View File

@ -20,7 +20,7 @@ import io
import struct
import sys
from binman import comp_util
from binman import bintool
from binman import elf
from patman import command
from patman import tools
@ -236,14 +236,18 @@ class CbfsFile(object):
self.data_len = len(data)
self.erase_byte = None
self.size = None
if self.compress == COMPRESS_LZ4:
self.comp_bintool = bintool.Bintool.create('lz4')
elif self.compress == COMPRESS_LZMA:
self.comp_bintool = bintool.Bintool.create('lzma_alone')
else:
self.comp_bintool = None
def decompress(self):
"""Handle decompressing data if necessary"""
indata = self.data
if self.compress == COMPRESS_LZ4:
data = comp_util.decompress(indata, 'lz4')
elif self.compress == COMPRESS_LZMA:
data = comp_util.decompress(indata, 'lzma')
if self.comp_bintool:
data = self.comp_bintool.decompress(indata)
else:
data = indata
self.memlen = len(data)
@ -361,10 +365,8 @@ class CbfsFile(object):
data = elf_data.data
elif self.ftype == TYPE_RAW:
orig_data = data
if self.compress == COMPRESS_LZ4:
data = comp_util.compress(orig_data, 'lz4')
elif self.compress == COMPRESS_LZMA:
data = comp_util.compress(orig_data, 'lzma')
if self.comp_bintool:
data = self.comp_bintool.compress(orig_data)
self.memlen = len(orig_data)
self.data_len = len(data)
attr = struct.pack(ATTR_COMPRESSION_FORMAT,

4
tools/binman/cbfs_util_test.py
View File

@ -19,7 +19,6 @@ import unittest
from binman import bintool
from binman import cbfs_util
from binman.cbfs_util import CbfsWriter
from binman import comp_util
from binman import elf
from patman import test_util
from patman import tools
@ -50,7 +49,8 @@ class TestCbfs(unittest.TestCase):
cls.cbfstool = bintool.Bintool.create('cbfstool')
cls.have_cbfstool = cls.cbfstool.is_present()
cls.have_lz4 = comp_util.HAVE_LZ4
lz4 = bintool.Bintool.create('lz4')
cls.have_lz4 = lz4.is_present()
@classmethod
def tearDownClass(cls):