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* Make builds repeatable.Bill Richardson2015-09-241-6/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | We have been using the time of compilation to determine the version string. This CL will keep doing that if the git repo has uncommitted changes, but if the repo is clean we'll just use the author date of the last commit. This ensures that the same source will produce bitwise-identical builds (assuming no toolchain changes, of course). BUG=chrome-os-partner:45616 BRANCH=none TEST=manual cd src/platform/ec make buildall mv build build.one make buildall md5sum build{,.one}/*/ec.bin | sort Observe that successive builds produce identical binaries. Change-Id: Ie2ef44b216586097589c9c15f12e05c87a53f991 Signed-off-by: Bill Richardson <wfrichar@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/302140 Reviewed-by: Randall Spangler <rspangler@chromium.org> Reviewed-by: Shawn N <shawnn@chromium.org>
* add hash for locally emerged buildsVincent Palatin2015-05-131-1/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When the EC is built using "emerge-<board> chromeos-ec" on a developer workstation with the chromeos-ec package "cros-worked'on", put "1.1.9999-<git-sha1>" rather than "no_version" in the version string. Emerge is exporting the current git SHA-1 hash in the VCSID id but the .git repository is not available during the build. Signed-off-by: Vincent Palatin <vpalatin@chromium.org> BRANCH=none BUG=none TEST=try the following build setups: - local emerge $ emerge-smaug chromeos-ec $ strings /build/smaug/firmware/ec.bin | grep ryu ryu_p4p5_1.1.9999-ebe18ef - local build $ make BOARD=ryu_p4p5 $ strings build/ryu_p4p5/ec.bin | grep ryu ryu_p4p5_v1.1.3127-ebe18ef-dirt - trybot build $ cbuildbot --remote -g 270554 smaug-firmware $ tar xvjf firmware_from_sources.tar.bz2 $ strings ec.bin | grep ryu ryu_p4p5_v1.1.3137-9b52578 Change-Id: I386f80d82d95b5e99a1660a1eb242c47c54d17ef Reviewed-on: https://chromium-review.googlesource.com/270554 Trybot-Ready: Vincent Palatin <vpalatin@chromium.org> Tested-by: Vincent Palatin <vpalatin@chromium.org> Reviewed-by: Randall Spangler <rspangler@chromium.org> Commit-Queue: Vincent Palatin <vpalatin@chromium.org>
* Add USE_GIT_DATE=1 to make args to build repeatable imagesBill Richardson2015-02-251-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Up until now, every image includes the time of compilation in the build information. This makes it impossible to verify that a particular image came from a particular source code snapshot. With this change, specifying USE_GIT_DATE=1 to the make command will use the author date of HEAD as the timestamp. That means that successive builds from the same source will produce bitwise-identical output (assuming the same toolchain, of course). BUG=none BRANCH=none TEST=manual Do this twice: \rm -rf build make BOARD=cr50 USE_GIT_DATE=1 md5sum build/cr50/ec.bin The md5sum should be the same for both runs. Change-Id: If64307101a453cb13c62fa003f1bf432f4998273 Signed-off-by: Bill Richardson <wfrichar@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/252751 Reviewed-by: Randall Spangler <rspangler@chromium.org>
* USB: Remove special case for iVersion string descriptorAnton Staaf2014-11-041-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Previously the version string was special cased in the USB stack because the build system prevented the inclusion of ec_version.h in any file other than common/version.c. This lead to common/version.c being the only place that the USB version string could be computed and thus the special case of filling in the version string descriptor at run time. This made the USB stack more complex, and lead to the common/version.c file including usb.h, which is actually STM32 specific. Now, the portion of ec_version.h that is deterministic is only updated when something in the tree actually changes (by way of a conditional in the makefile), and ec_version.h no longer has to depend on all object files (other than the special version.o). This allows anyone to include ec_version.h as needed. In particular, each board that wants to define a USB version string can directly include ec_version.h and do so. Signed-off-by: Anton Staaf <robotboy@chromium.org> BRANCH=None BUG=None TEST=make buildall -j touch files and verify rebuilds happen correctly Change-Id: Ic84d0b9da90f82ebb4630fb550ec841071e25a49 Reviewed-on: https://chromium-review.googlesource.com/227211 Tested-by: Anton Staaf <robotboy@chromium.org> Reviewed-by: Vincent Palatin <vpalatin@chromium.org> Commit-Queue: Anton Staaf <robotboy@chromium.org>
* Truncate version string to 32 charactersRandall Spangler2013-07-191-4/+17
| | | | | | | | | | | | | | | | | | | | | | | The version struct and EC_CMD_GET_VERSION assume 32-character version strings. But if the git tree is dirty and the board name is long, the version string overflows that limit. This change truncates what's stored in the version string to fit. The build info still contains the full version string, as it did before. BUG=chrome-os-partner:21156 BRANCH=none TEST=build BOARD=mccroskey with a dirty tree; it should build. Then cat build/mccroskey/ec_version.h to see CROS_EC_VERSION32 has truncated the version string. Then build a platform of your choice and type 'version' to see that the version string and build info is still reported correctly. Change-Id: Ie71b8efd99a83315f8b4d5ad10c51e48781b12f4 Signed-off-by: Randall Spangler <rspangler@chromium.org> Reviewed-on: https://gerrit.chromium.org/gerrit/62649 Reviewed-by: Bill Richardson <wfrichar@chromium.org>
* Append "shift" to version string in shifted imageVic Yang2012-07-161-0/+4
| | | | | | | | | | | | | | | | For EC update test, we produce binary-wise shifted image. To make it easier to tell if update has succeeded, let's append "shift" to the verison in this image. BUG=chrome-os-partner:10264 TEST=Build shifted image and check the version string. Change-Id: I16187611cf61fc97a74bc3707a77ad9ad5274f37 Reviewed-on: https://gerrit.chromium.org/gerrit/27577 Reviewed-by: Randall Spangler <rspangler@chromium.org> Reviewed-by: Hung-Te Lin <hungte@chromium.org> Commit-Ready: Vic Yang <victoryang@chromium.org> Tested-by: Vic Yang <victoryang@chromium.org>
* fix version generation scriptVincent Palatin2012-03-021-1/+1
| | | | | | | | | | | | Fix the quoting for git local change detection. Signed-off-by: Vincent Palatin <vpalatin@chromium.org> BUG=None TEST=run ./util/getversion.sh on a repository with and without local changes and observe we no longer have a spurious output on stderr. Change-Id: I40ea4505d175c9135027ba7cf2b787c08eff6f70
* update versioning information stored in the ECVincent Palatin2012-03-021-0/+33
Add build information (date/time/builder) which can be displayed at the EC console. Generate a version from the board name and the branch tag. Signed-off-by: Vincent Palatin <vpalatin@chromium.org> BUG=chromium-os:27013 TEST=on BDS, run version command on the console. inspect the built binary. Change-Id: Idb1f68898ba6b811d02919f17ab4536ed9f8934a
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