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Merge "Add LZ4 support to the release tools"

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This commit is contained in:
J. Avila 2020-06-11 14:56:38 +00:00 committed by Gerrit Code Review
commit b8d67f3722
3 changed files with 15 additions and 5 deletions
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3
core/Makefile
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@ -3773,6 +3773,9 @@ ifeq ($(INSTALLED_BOOTIMAGE_TARGET),)
else
echo "boot_images=$(foreach b,$(INSTALLED_BOOTIMAGE_TARGET),$(notdir $(b)))" >> $@
endif
ifeq ($(BOARD_RAMDISK_USE_LZ4),true)
echo "lz4_ramdisks=true" >> $@
endif
ifneq ($(INSTALLED_VENDOR_BOOTIMAGE_TARGET),)
echo "vendor_boot=true" >> $@
echo "vendor_boot_size=$(BOARD_VENDOR_BOOTIMAGE_PARTITION_SIZE)" >> $@

1
tools/releasetools/Android.bp
View file

@ -184,6 +184,7 @@ python_library_host {
"bsdiff",
"imgdiff",
"minigzip",
"lz4",
"mkbootfs",
"signapk",
],

16
tools/releasetools/common.py
View file

@ -1191,7 +1191,7 @@ def BuildVBMeta(image_path, partitions, name, needed_partitions):
AddAftlInclusionProof(image_path)
def _MakeRamdisk(sourcedir, fs_config_file=None):
def _MakeRamdisk(sourcedir, fs_config_file=None, lz4_ramdisks=False):
ramdisk_img = tempfile.NamedTemporaryFile()
if fs_config_file is not None and os.access(fs_config_file, os.F_OK):
@ -1200,12 +1200,16 @@ def _MakeRamdisk(sourcedir, fs_config_file=None):
else:
cmd = ["mkbootfs", os.path.join(sourcedir, "RAMDISK")]
p1 = Run(cmd, stdout=subprocess.PIPE)
p2 = Run(["minigzip"], stdin=p1.stdout, stdout=ramdisk_img.file.fileno())
if lz4_ramdisks:
p2 = Run(["lz4", "-l", "-12" , "--favor-decSpeed"], stdin=p1.stdout,
stdout=ramdisk_img.file.fileno())
else:
p2 = Run(["minigzip"], stdin=p1.stdout, stdout=ramdisk_img.file.fileno())
p2.wait()
p1.wait()
assert p1.returncode == 0, "mkbootfs of %s ramdisk failed" % (sourcedir,)
assert p2.returncode == 0, "minigzip of %s ramdisk failed" % (sourcedir,)
assert p2.returncode == 0, "compression of %s ramdisk failed" % (sourcedir,)
return ramdisk_img
@ -1243,7 +1247,8 @@ def _BuildBootableImage(image_name, sourcedir, fs_config_file, info_dict=None,
img = tempfile.NamedTemporaryFile()
if has_ramdisk:
ramdisk_img = _MakeRamdisk(sourcedir, fs_config_file)
use_lz4 = info_dict.get("lz4_ramdisks") == 'true'
ramdisk_img = _MakeRamdisk(sourcedir, fs_config_file, lz4_ramdisks=use_lz4)
# use MKBOOTIMG from environ, or "mkbootimg" if empty or not set
mkbootimg = os.getenv('MKBOOTIMG') or "mkbootimg"
@ -1427,7 +1432,8 @@ def _BuildVendorBootImage(sourcedir, info_dict=None):
img = tempfile.NamedTemporaryFile()
ramdisk_img = _MakeRamdisk(sourcedir)
use_lz4 = info_dict.get("lz4_ramdisks") == 'true'
ramdisk_img = _MakeRamdisk(sourcedir, lz4_ramdisks=use_lz4)
# use MKBOOTIMG from environ, or "mkbootimg" if empty or not set
mkbootimg = os.getenv('MKBOOTIMG') or "mkbootimg"