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Build cache.img on demand

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Bug: 5153694
To build cache.img, set BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE (required,
ext4 only for now), BOARD_CACHEIMAGE_PARTITION_SIZE (optional) in
BoardConfig.mk.

Change-Id: I1d8b91646aa1dba88285e008ad3335768bcbddd2
This commit is contained in:
Ying Wang
2011-11-04 11:37:01 -07:00
parent ba2c734f71
commit 9f8e8db188
7 changed files with 98 additions and 10 deletions
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25
tools/releasetools/build_image.py
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@@ -67,22 +67,28 @@ def ImagePropFromGlobalDict(glob_dict, mount_point):
mount_point: such as "system", "data" etc.
"""
d = {}
def copy_prop(src_p, dest_p):
if src_p in glob_dict:
d[dest_p] = str(glob_dict[src_p])
common_props = (
"fs_type",
"extfs_sparse_flag",
"mkyaffs2_extra_flags",
)
for p in common_props:
if p in glob_dict:
d[p] = glob_dict[p]
copy_prop(p, p)
d["mount_point"] = mount_point
if mount_point == "system":
if "system_size" in glob_dict:
d["partition_size"] = str(glob_dict["system_size"])
copy_prop("fs_type", "fs_type")
copy_prop("system_size", "partition_size")
elif mount_point == "data":
if "userdata_size" in glob_dict:
d["partition_size"] = str(glob_dict["userdata_size"])
copy_prop("fs_type", "fs_type")
copy_prop("userdata_size", "partition_size")
elif mount_point == "cache":
copy_prop("cache_fs_type", "fs_type")
copy_prop("cache_size", "partition_size")
return d
@@ -117,6 +123,11 @@ def main(argv):
mount_point = "system"
elif image_filename == "userdata.img":
mount_point = "data"
elif image_filename == "cache.img":
mount_point = "cache"
else:
print >> sys.stderr, "error: unknown image file name ", image_filename
exit(1)
image_properties = ImagePropFromGlobalDict(glob_dict, mount_point)
if not BuildImage(in_dir, image_properties, out_file):