The generated OTAs are supposed to be repeatable. The use of dict in
blockimgdiff.py breaks the assumption for block-based OTAs. Fixed by
using OrderedDict instead.
Change-Id: I945bdc879912ba174ca330c152b1f8fc7ed211ac
Add source and target block hashes as parameters to transfer list
commands that copy or patch data to a partition. This allows the
updater to verify the status of each command in the transfer list
and makes resuming block based OTAs possible. Due to the changes,
update the transfer list version to 3.
Needs matching changes from
I1e752464134aeb2d396946348e6041acabe13942
Bug: 18262110
Change-Id: Ia5c56379f570047f10f0aa7373a1025439495c98
(cherry picked from commit cac671a9d1)
The erase command we insert at the top for full OTAs was getting
inserted in the wrong place for version 2.
Change-Id: I9caf03a40efbdba79f3428f73e50d4319d9ba371
Generate version 2 of the block_image_update transfer list format.
This improves patch size by a different strategy for dealing with
out-of-order transfers. If transfer A must be done before transfer B
due to B overwriting A's source but we want to do B before A, we
resolve the conflict by:
- before B is executed, we save ("stash") the overlapping region (ie
the blocks B will overwrite that A wants to read)
- when A is executed, it will read those parts of source data from
the stash rather than from the image.
This reverses the ordering constraint; with these additions now B
*must* go before A. The implementation of the stash is left up to the
code that executes the transfer list to apply the patch; it could hold
stashed data in RAM or on a scratch disk such as /cache, if available.
The code retains the ability to build a version 1 block image patch;
it's needed for processing older target-files.
Change-Id: Ia9aa0bd45d5dc3ef7c5835e483b1b2ead10135fe
Move BlockDifference into common and make its script generation code
more complete, so that it can be use by releasetools.py to do diffs on
baseband images.
Bug: 16984795
Change-Id: Iba9afc1c7755458ce47468b5170672612b2cb4b3
Replace the xdelta/xz-based block OTA generation with a new system
based on the existing bsdiff/imgdiff tools.
Bug: 16984795
Change-Id: Ia9732516ffdfc12be86260b2cc4b1dd2d210e886
