Merge 'aosp/master' into android-msm-bluecross-4.9-pie-qpr1
* aosp/master:
initial release of kernel/build in AOSP
This consolidates the kernel/build scripts for the common kernels and
for the devices using such kind of scripts (currently only the mentioned one).
Change-Id: Iec009d9c0e414f38b96541274ff567018f32b719
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..6b0b127
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,203 @@
+
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
+
+ "License" shall mean the terms and conditions for use, reproduction,
+ and distribution as defined by Sections 1 through 9 of this document.
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+ (an example is provided in the Appendix below).
+
+ "Derivative Works" shall mean any work, whether in Source or Object
+ form, that is based on (or derived from) the Work and for which the
+ editorial revisions, annotations, elaborations, or other modifications
+ represent, as a whole, an original work of authorship. For the purposes
+ of this License, Derivative Works shall not include works that remain
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+ the Work and Derivative Works thereof.
+
+ "Contribution" shall mean any work of authorship, including
+ the original version of the Work and any modifications or additions
+ to that Work or Derivative Works thereof, that is intentionally
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+ communication on electronic mailing lists, source code control systems,
+ and issue tracking systems that are managed by, or on behalf of, the
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+ designated in writing by the copyright owner as "Not a Contribution."
+
+ "Contributor" shall mean Licensor and any individual or Legal Entity
+ on behalf of whom a Contribution has been received by Licensor and
+ subsequently incorporated within the Work.
+
+ 2. Grant of Copyright License. Subject to the terms and conditions of
+ this License, each Contributor hereby grants to You a perpetual,
+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable
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+ Work and such Derivative Works in Source or Object form.
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+ 3. Grant of Patent License. Subject to the terms and conditions of
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+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+ (except as stated in this section) patent license to make, have made,
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+ institute patent litigation against any entity (including a
+ cross-claim or counterclaim in a lawsuit) alleging that the Work
+ or a Contribution incorporated within the Work constitutes direct
+ or contributory patent infringement, then any patent licenses
+ granted to You under this License for that Work shall terminate
+ as of the date such litigation is filed.
+
+ 4. Redistribution. You may reproduce and distribute copies of the
+ Work or Derivative Works thereof in any medium, with or without
+ modifications, and in Source or Object form, provided that You
+ meet the following conditions:
+
+ (a) You must give any other recipients of the Work or
+ Derivative Works a copy of this License; and
+
+ (b) You must cause any modified files to carry prominent notices
+ stating that You changed the files; and
+
+ (c) You must retain, in the Source form of any Derivative Works
+ that You distribute, all copyright, patent, trademark, and
+ attribution notices from the Source form of the Work,
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+ the Derivative Works; and
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+ documentation, if provided along with the Derivative Works; or,
+ within a display generated by the Derivative Works, if and
+ wherever such third-party notices normally appear. The contents
+ of the NOTICE file are for informational purposes only and
+ do not modify the License. You may add Your own attribution
+ notices within Derivative Works that You distribute, alongside
+ or as an addendum to the NOTICE text from the Work, provided
+ that such additional attribution notices cannot be construed
+ as modifying the License.
+
+ You may add Your own copyright statement to Your modifications and
+ may provide additional or different license terms and conditions
+ for use, reproduction, or distribution of Your modifications, or
+ for any such Derivative Works as a whole, provided Your use,
+ reproduction, and distribution of the Work otherwise complies with
+ the conditions stated in this License.
+
+ 5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
+ by You to the Licensor shall be under the terms and conditions of
+ this License, without any additional terms or conditions.
+ Notwithstanding the above, nothing herein shall supersede or modify
+ the terms of any separate license agreement you may have executed
+ with Licensor regarding such Contributions.
+
+ 6. Trademarks. This License does not grant permission to use the trade
+ names, trademarks, service marks, or product names of the Licensor,
+ except as required for reasonable and customary use in describing the
+ origin of the Work and reproducing the content of the NOTICE file.
+
+ 7. Disclaimer of Warranty. Unless required by applicable law or
+ agreed to in writing, Licensor provides the Work (and each
+ Contributor provides its Contributions) on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ implied, including, without limitation, any warranties or conditions
+ of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+ PARTICULAR PURPOSE. You are solely responsible for determining the
+ appropriateness of using or redistributing the Work and assume any
+ risks associated with Your exercise of permissions under this License.
+
+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
+ unless required by applicable law (such as deliberate and grossly
+ negligent acts) or agreed to in writing, shall any Contributor be
+ liable to You for damages, including any direct, indirect, special,
+ incidental, or consequential damages of any character arising as a
+ result of this License or out of the use or inability to use the
+ Work (including but not limited to damages for loss of goodwill,
+ work stoppage, computer failure or malfunction, or any and all
+ other commercial damages or losses), even if such Contributor
+ has been advised of the possibility of such damages.
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+ the Work or Derivative Works thereof, You may choose to offer,
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+ on Your own behalf and on Your sole responsibility, not on behalf
+ of any other Contributor, and only if You agree to indemnify,
+ defend, and hold each Contributor harmless for any liability
+ incurred by, or claims asserted against, such Contributor by reason
+ of your accepting any such warranty or additional liability.
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+ END OF TERMS AND CONDITIONS
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+ APPENDIX: How to apply the Apache License to your work.
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+ Licensed under the Apache License, Version 2.0 (the "License");
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+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
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+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+
diff --git a/METADATA b/METADATA
new file mode 100644
index 0000000..5a16d1d
--- /dev/null
+++ b/METADATA
@@ -0,0 +1,17 @@
+name: "kernel/build"
+description:
+ "Build scripts to build Android Kernels."
+
+third_party {
+ url {
+ type: HOMEPAGE
+ value: "https://source.android.com/setup/build/building-kernels"
+ }
+ url {
+ type: GIT
+ value: "https://android.googlesource.com/kernel/build"
+ }
+ version: ""
+ last_upgrade_date { year: 2019 month: 2 day: 1 }
+ license_type: NOTICE
+}
diff --git a/MODULE_LICENSE_APACHE2 b/MODULE_LICENSE_APACHE2
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/MODULE_LICENSE_APACHE2
diff --git a/NOTICE b/NOTICE
new file mode 120000
index 0000000..7a694c9
--- /dev/null
+++ b/NOTICE
@@ -0,0 +1 @@
+LICENSE
\ No newline at end of file
diff --git a/build.config b/build.config
new file mode 120000
index 0000000..7c5f637
--- /dev/null
+++ b/build.config
@@ -0,0 +1 @@
+../build.config
\ No newline at end of file
diff --git a/build.config.net_test b/build.config.net_test
new file mode 100644
index 0000000..721dac0
--- /dev/null
+++ b/build.config.net_test
@@ -0,0 +1,9 @@
+ARCH=um
+SUBARCH=x86_64
+CROSS_COMPILE=
+EXTRA_CMDS=''
+KERNEL_DIR=$(. $(dirname $0)/build.config && echo $KERNEL_DIR || echo common)
+LINUX_GCC_CROSS_COMPILE_PREBUILTS_BIN=
+FILES="
+linux
+"
diff --git a/build.sh b/build.sh
old mode 100644
new mode 100755
index 7f92995..cc2aa82
--- a/build.sh
+++ b/build.sh
@@ -1,16 +1,82 @@
#!/bin/bash
+# Copyright (C) 2019 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
# Usage:
-# build.sh <make options>*
+# build/build.sh <make options>*
# or:
-# OUT_DIR=<out dir> DIST_DIR=<dist dir> build.sh <make options>*
+# OUT_DIR=<out dir> DIST_DIR=<dist dir> build/build.sh <make options>*
#
# Example:
-# OUT_DIR=output DIST_DIR=dist build.sh -j24
+# OUT_DIR=output DIST_DIR=dist build/build.sh -j24
+#
+#
+# The following environment variables are considered during execution:
+#
+# BUILD_CONFIG
+# Build config file to initialize the build environment from. The location
+# is to be defined relative to the repo root directory.
+# Defaults to 'build.config'.
+#
+# OUT_DIR
+# Base output directory for the kernel build.
+# Defaults to <REPO_ROOT>/out/<BRANCH>.
+#
+# DIST_DIR
+# Base output directory for the kernel distribution.
+# Defaults to <OUT_DIR>/dist
+#
+# EXT_MODULES
+# Space separated list of external kernel modules to be build.
+#
+# UNSTRIPPED_MODULES
+# Space separated list of modules to be copied to <DIST_DIR>/unstripped
+# for debugging purposes.
+#
+# CC
+# Override compiler to be used. (e.g. CC=clang)
+#
+# LD
+# Override linker (flags) to be used.
+#
+# Environment variables to influence the stages of the kernel build.
+#
+# SKIP_MRPROPER
+# if defined, skip `make mrproper`
+#
+# SKIP_DEFCONFIG
+# if defined, skip `make defconfig`
+#
+# POST_DEFCONFIG_CMDS
+# Command evaluated after `make defconfig` and before `make`.
+#
+# IN_KERNEL_MODULES
+# if defined, install kernel modules
+#
+# SKIP_EXT_MODULES
+# if defined, skip building and installing of external modules
+#
+# EXTRA_CMDS
+# Command evaluated after building and installing kernel and modules.
+#
+# SKIP_CP_KERNEL_HDR
+# if defined, skip installing kernel headers.
#
# Note: For historic reasons, internally, OUT_DIR will be copied into
# COMMON_OUT_DIR, and OUT_DIR will be then set to
-# ${COMMON_OUT_DIR}/${KERNEL_DIR}. This has been done to accomadate existing
+# ${COMMON_OUT_DIR}/${KERNEL_DIR}. This has been done to accommodate existing
# build.config files that expect ${OUT_DIR} to point to the output directory of
# the kernel build.
#
@@ -44,7 +110,7 @@
echo ${path}${to#$stem}
}
-export ROOT_DIR=$(readlink -f $(dirname $0)/.)
+export ROOT_DIR=$(readlink -f $(dirname $0)/..)
# For module file Signing with the kernel (if needed)
FILE_SIGN_BIN=scripts/sign-file
@@ -52,7 +118,7 @@
SIGN_CERT=certs/signing_key.x509
SIGN_ALGO=sha512
-source "${ROOT_DIR}/envsetup.sh"
+source "${ROOT_DIR}/build/envsetup.sh"
export MAKE_ARGS=$@
export COMMON_OUT_DIR=$(readlink -m ${OUT_DIR:-${ROOT_DIR}/out/${BRANCH}})
@@ -61,6 +127,7 @@
export MODULES_PRIVATE_DIR=$(readlink -m ${COMMON_OUT_DIR}/private)
export DIST_DIR=$(readlink -m ${DIST_DIR:-${COMMON_OUT_DIR}/dist})
export UNSTRIPPED_DIR=${DIST_DIR}/unstripped
+export KERNEL_UAPI_HEADERS_DIR=$(readlink -m ${COMMON_OUT_DIR}/kernel_uapi_headers)
cd ${ROOT_DIR}
@@ -96,9 +163,13 @@
CC_ARG="CC=${CC}"
fi
+if [ -n "${LD}" ]; then
+ LD_ARG="LD=${LD}"
+fi
+
set -x
(cd ${OUT_DIR} && \
- make O=${OUT_DIR} ${CC_ARG} -j$(nproc) $@)
+ make O=${OUT_DIR} ${CC_ARG} ${LD_ARG} -j$(nproc) $@)
set +x
rm -rf ${MODULES_STAGING_DIR}
@@ -109,7 +180,8 @@
echo " Installing kernel modules into staging directory"
(cd ${OUT_DIR} && \
- make O=${OUT_DIR} ${CC_ARG} INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=${MODULES_STAGING_DIR} modules_install)
+ make O=${OUT_DIR} ${CC_ARG} ${LD_ARG} INSTALL_MOD_STRIP=1 \
+ INSTALL_MOD_PATH=${MODULES_STAGING_DIR} modules_install)
fi
if [[ -z "${SKIP_EXT_MODULES}" ]] && [[ "${EXT_MODULES}" != "" ]]; then
@@ -128,8 +200,11 @@
# build system behaves horribly wrong.
mkdir -p ${OUT_DIR}/${EXT_MOD_REL}
set -x
- make -C ${EXT_MOD} M=${EXT_MOD_REL} KERNEL_SRC=${ROOT_DIR}/${KERNEL_DIR} O=${OUT_DIR} ${CC_ARG} -j$(nproc) "$@"
- make -C ${EXT_MOD} M=${EXT_MOD_REL} KERNEL_SRC=${ROOT_DIR}/${KERNEL_DIR} O=${OUT_DIR} ${CC_ARG} INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=${MODULES_STAGING_DIR} modules_install
+ make -C ${EXT_MOD} M=${EXT_MOD_REL} KERNEL_SRC=${ROOT_DIR}/${KERNEL_DIR} \
+ O=${OUT_DIR} ${CC_ARG} ${LD_ARG} -j$(nproc) "$@"
+ make -C ${EXT_MOD} M=${EXT_MOD_REL} KERNEL_SRC=${ROOT_DIR}/${KERNEL_DIR} \
+ O=${OUT_DIR} ${CC_ARG} ${LD_ARG} INSTALL_MOD_STRIP=1 \
+ INSTALL_MOD_PATH=${MODULES_STAGING_DIR} modules_install
set +x
done
@@ -196,6 +271,19 @@
done
fi
+if [ -z "${SKIP_CP_KERNEL_HDR}" ]; then
+ echo "========================================================"
+ echo " Installing UAPI kernel headers:"
+ mkdir -p "${KERNEL_UAPI_HEADERS_DIR}/usr"
+ make -C ${OUT_DIR} O=${OUT_DIR} ${CC_ARG} INSTALL_HDR_PATH="${KERNEL_UAPI_HEADERS_DIR}/usr" -j$(nproc) headers_install
+ # The kernel makefiles create files named ..install.cmd and .install which
+ # are only side products. We don't want those. Let's delete them.
+ find ${KERNEL_UAPI_HEADERS_DIR} \( -name ..install.cmd -o -name .install \) -exec rm '{}' +
+ KERNEL_UAPI_HEADERS_TAR=${DIST_DIR}/kernel-uapi-headers.tar.gz
+ echo " Copying kernel UAPI headers to ${KERNEL_UAPI_HEADERS_TAR}"
+ tar -czf ${KERNEL_UAPI_HEADERS_TAR} --directory=${KERNEL_UAPI_HEADERS_DIR} usr/
+fi
+
if [ -z "${SKIP_CP_KERNEL_HDR}" ] ; then
echo "========================================================"
KERNEL_HEADERS_TAR=${DIST_DIR}/kernel-headers.tar.gz
diff --git a/build_test.sh b/build_test.sh
new file mode 100755
index 0000000..268af0b
--- /dev/null
+++ b/build_test.sh
@@ -0,0 +1,60 @@
+#!/bin/bash
+
+# Copyright (C) 2019 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Usage:
+# build/build_test.sh
+
+export MAKE_ARGS=$@
+export ROOT_DIR=$(dirname $(readlink -f $0))
+export NET_TEST=${ROOT_DIR}/../kernel/tests/net/test
+
+# if device has its own build.config.net_test in the
+# root (via manifest copy rule) then use it, otherwise
+# use the default one in the build/ directory. if the
+# BUILD_CONFIG is already specified in the environment,
+# it overrides everything (unless it does not exist.)
+if [ -z "$BUILD_CONFIG" ]; then
+ BUILD_CONFIG=build.config.net_test
+fi
+if [ ! -e $BUILD_CONFIG ]; then
+ BUILD_CONFIG=build/${BUILD_CONFIG}
+fi
+export BUILD_CONFIG
+
+test=all_tests.sh
+set -e
+source ${ROOT_DIR}/envsetup.sh
+export OUT_DIR=$(readlink -m ${OUT_DIR:-${ROOT_DIR}/out/${BRANCH}})
+mkdir -p ${OUT_DIR}
+
+# build.config.net_test sets KERNEL_DIR to "private/*", which doesn't work for
+# common kernels, where the code is in "common/". Check for that here. We could
+# also require that each of these kernels have their own build.config.net_test,
+# but that complicates the manifests.
+if ! [ -f $KERNEL_DIR/Makefile ] && [ -f common/Makefile ]; then
+ KERNEL_DIR=common
+fi
+export KERNEL_DIR=$(readlink -m ${KERNEL_DIR})
+
+echo "========================================================"
+echo " Building kernel and running tests "
+echo " Using KERNEL_DIR: " ${KERNEL_DIR}
+echo " Using OUT_DIR : " ${OUT_DIR}
+
+cd ${OUT_DIR}
+$NET_TEST/run_net_test.sh --builder $test
+echo $?
+echo "======Finished running tests======"
diff --git a/envsetup.sh b/envsetup.sh
index c64ef94..d8a9729 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -1,5 +1,19 @@
# source this file. Don't run it.
+
+# Copyright (C) 2019 The Android Open Source Project
#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
# Usage:
# source build/envsetup.sh
# to setup your path and cross compiler so that a kernel build command is
diff --git a/static_analysis/checkpatch.sh b/static_analysis/checkpatch.sh
new file mode 100755
index 0000000..4857d26
--- /dev/null
+++ b/static_analysis/checkpatch.sh
@@ -0,0 +1,130 @@
+#!/bin/bash
+
+# Copyright (C) 2019 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Wrapper around checkpatch.pl to filter results.
+
+set -e
+
+export STATIC_ANALYSIS_SRC_DIR=$(dirname $(readlink -f $0))
+
+ROOT_DIR="${STATIC_ANALYSIS_SRC_DIR}/../../"
+pushd ${ROOT_DIR}
+source ${STATIC_ANALYSIS_SRC_DIR}/../envsetup.sh
+export OUT_DIR=$(readlink -m ${OUT_DIR:-${ROOT_DIR}/out/${BRANCH}})
+export DIST_DIR=$(readlink -m ${DIST_DIR:-${OUT_DIR}/dist})
+mkdir -p ${DIST_DIR}
+
+export KERNEL_DIR=$(readlink -m ${KERNEL_DIR})
+
+CHECKPATCH_PL_PATH="${KERNEL_DIR}/scripts/checkpatch.pl"
+GIT_SHA1="HEAD"
+PATCH_DIR="${OUT_DIR}/checkpatch/patches"
+BLACKLIST_FILE="${STATIC_ANALYSIS_SRC_DIR}/checkpatch_blacklist"
+RESULTS_PATH=${DIST_DIR}/checkpatch.log
+RETURN_CODE=0
+
+echoerr() {
+ echo "$@" 1>&2;
+}
+
+# Parse flags.
+CHECKPATCH_ARGS=(--show-types)
+while [[ $# -gt 0 ]]; do
+ next="$1"
+ case ${next} in
+ --git_sha1)
+ GIT_SHA1="$2"
+ shift
+ ;;
+ --blacklisted_checks)
+ BLACKLIST_FILE="$2"
+ shift
+ ;;
+ --help)
+ echo "Gets a patch from git, passes it checkpatch.pl, and then reports"
+ echo "the subset of violations we choose to enforce."
+ echo ""
+ echo "Usage: $0"
+ echo " <--git_sha1 nnn> (Defaults to HEAD)"
+ echo " <--blacklisted_checks path_to_file> (Defaults to checkpatch_blacklist)"
+ echo " <args for checkpatch.pl>"
+ exit 0
+ ;;
+ *)
+ CHECKPATCH_ARGS+=("$1")
+ ;;
+ esac
+ shift
+done
+
+
+# Clean up from any previous run.
+if [[ -d "${PATCH_DIR}" ]]; then
+ rm -fr "${PATCH_DIR}"
+fi
+mkdir -p "${PATCH_DIR}"
+
+# Update blacklist.
+if [[ -f "${BLACKLIST_FILE}" ]]; then
+ IGNORED_ERRORS=$(grep -v '^#' ${BLACKLIST_FILE} | paste -s -d,)
+ if [[ -n "${IGNORED_ERRORS}" ]]; then
+ CHECKPATCH_ARGS+=(--ignore)
+ CHECKPATCH_ARGS+=("${IGNORED_ERRORS}")
+ fi
+fi
+
+echo "========================================================"
+echo " Running static analysis..."
+echo "========================================================"
+echo "Using KERNEL_DIR: ${KERNEL_DIR}"
+echo "Using --git_sha1: ${GIT_SHA1}"
+
+# Generate patch file from git.
+cd ${KERNEL_DIR}
+git format-patch --quiet -o "${PATCH_DIR}" "${GIT_SHA1}^1..${GIT_SHA1}"
+PATCH_FILE="${PATCH_DIR}/*.patch"
+
+# Delay exit on non-zero checkpatch.pl return code so we can finish logging.
+
+# Note, it's tricky to ignore this exit code completely and instead return only
+# based on the log values. For example, if the log is not empty, but contains no
+# ERRORS, how do we reliabliy distinguish WARNINGS that were not blacklisted
+# (or other conditions we want to ignore), from legitimate errors running the
+# script itself (e.g. bad flags)? checkpatch.pl will return 1 in both cases.
+# For now, include all known warnings in the blacklist, and forward this code
+# unconditionally.
+
+set +e
+"${CHECKPATCH_PL_PATH}" ${CHECKPATCH_ARGS[*]} $PATCH_FILE > "${RESULTS_PATH}"
+CHECKPATCH_RC=$?
+set -e
+
+# Summarize errors in the build log (full copy included in dist dir).
+if [[ $CHECKPATCH_RC -ne 0 ]]; then
+ echoerr "Errors were reported from checkpatch.pl."
+ echoerr ""
+ echoerr "Summary:"
+ echoerr ""
+ { grep -r -h -E -A1 "^ERROR:" "${RESULTS_PATH}" 1>&2; } || true
+ echoerr ""
+ echoerr "See $(basename ${RESULTS_PATH}) for complete output."
+fi
+
+echo "========================================================"
+echo "Finished running static analysis."
+echo "========================================================"
+popd
+exit ${CHECKPATCH_RC}
diff --git a/static_analysis/checkpatch_blacklist b/static_analysis/checkpatch_blacklist
new file mode 100644
index 0000000..b28c845
--- /dev/null
+++ b/static_analysis/checkpatch_blacklist
@@ -0,0 +1,128 @@
+# Lists errors that should be ignored.
+# To see the type of an error, run checkpatch with --show_types.
+GERRIT_CHANGE_ID
+# All WARNINGS are ignored
+# TODO(mikewallstedt): Consider modifying checkpatch.pl such that we can
+# ignore by level (this is non-trivial now because we have dozens of versions).
+ALLOC_ARRAY_ARGS
+ALLOC_WITH_MULTIPLY
+ARM_BARRIER
+ARRAY_SIZE
+AVOID_EXTERNS
+BAD_AUTHOR
+BAD_SIGN_OFF
+BLOCK_COMMENT_STYLE
+BRACES
+COMMIT_LOG_LONG_LINE
+CONFIG_DESCRIPTION
+CONFIG_EXPERIMENTAL
+CONFIG_TYPE_BOOLEAN
+CONSIDER_COMPLETION
+CONSIDER_KSTRTO
+CONSTANT_COMPARISON
+CONSTANT_CONVERSION
+CONST_CONST
+CONST_STRUCT
+CVS_KEYWORD
+DEEP_INDENTATION
+DEFAULT_NO_BREAK
+DEFINE_PCI_DEVICE_TABLE
+DEPRECATED_VARIABLE
+DEPRECATED_VREG_APIS
+DO_WHILE_MACRO_WITH_TRAILING_SEMICOLON
+EMAIL_SUBJECT
+ENOSYS
+EXPEDITED_RCU_GRACE_PERIOD
+EXPORTED_WORLD_WRITABLE
+EXPORT_SYMBOL
+FILE_PATH_CHANGES
+FUNCTION_ARGUMENTS
+GCC_BINARY_CONSTANT
+GPIOMUX_IN_BOARD
+HEXADECIMAL_BOOLEAN_TEST
+HOTPLUG_SECTION
+IF_0
+IF_1
+IN_ATOMIC
+INCLUDE_LINUX
+INDENTED_LABEL
+INLINE
+JIFFIES_COMPARISON
+KREALLOC_ARG_REUSE
+LEADING_SPACE
+LIKELY_MISUSE
+LINE_CONTINUATIONS
+LINE_SPACING
+LINUX_VERSION_CODE
+LONG_COMMIT_TEXT
+LONG_SUMMARY_LINE
+LONG_UDELAY
+MACRO_WITH_FLOW_CONTROL
+MASK_THEN_SHIFT
+MDELAY
+MEMORY_BARRIER
+MEMSET
+MINMAX
+MISORDERED_TYPE
+MISPLACED_INIT
+MISSING_BREAK
+MISSING_EOF_NEWLINE
+MISSING_VMLINUX_SYMBOL
+MODULE_LICENSE
+MSLEEP
+MULTIPLE_DECLARATION
+NAKED_SSCANF
+NETWORKING_BLOCK_COMMENT_STYLE
+NEW_TYPEDEFS
+NO_COMMIT_TEXT
+NONBLANK_AFTER_SUMMARY
+NR_CPUS
+ONE_SEMICOLON
+OOM_MESSAGE
+PATCH_PREFIX
+PREFER_ALIGNED
+PREFER_DEV_LEVEL
+PREFER_ETH_BROADCAST_ADDR
+PREFER_ETHER_ADDR_COPY
+PREFER_ETHER_ADDR_EQUAL
+PREFER_ETH_ZERO_ADDR
+PREFER_PACKED
+PREFER_PRINTF
+PREFER_PR_LEVEL
+PREFER_SCANF
+PREFER_SEQ_PUTS
+PRINTF_L
+PRINTK_RATELIMITED
+PRINTK_WITHOUT_KERN_LEVEL
+QUOTED_WHITESPACE_BEFORE_NEWLINE
+RETURN_VOID
+SINGLE_STATEMENT_DO_WHILE_MACRO
+SIZEOF_ADDRESS
+SIZEOF_PARENTHESIS
+SPACE_BEFORE_TAB
+SPACING
+SPLIT_STRING
+SSCANF_TO_KSTRTO
+STATIC_CONST_CHAR_ARRAY
+STORAGE_CLASS
+STRING_FRAGMENTS
+SUSPECT_CODE_INDENT
+TRAILING_SEMICOLON
+UNDOCUMENTED_DT_STRING
+UNNECESSARY_BREAK
+UNNECESSARY_CASTS
+UNNECESSARY_ELSE
+UNNECESSARY_KERN_LEVEL
+UNNECESSARY_PARENTHESES
+USE_DEVICE_INITCALL
+USE_FUNC
+USE_NEGATIVE_ERRNO
+USE_RELATIVE_PATH
+USE_SPINLOCK_T
+USLEEP_RANGE
+UTF8_BEFORE_PATCH
+VOLATILE
+WAITQUEUE_ACTIVE
+WHITESPACE_AFTER_LINE_CONTINUATION
+YIELD
+
diff --git a/static_analysis/checkpatch_presubmit.sh b/static_analysis/checkpatch_presubmit.sh
new file mode 100755
index 0000000..d854e16
--- /dev/null
+++ b/static_analysis/checkpatch_presubmit.sh
@@ -0,0 +1,90 @@
+#!/bin/bash
+
+# Copyright (C) 2019 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Wrapper around checkpatch.sh to gather necessary information from the
+# dist dir. Notably, this includes the git_sha1 and whether to suppress
+# the check for post-submit.
+
+set -e
+
+export STATIC_ANALYSIS_SRC_DIR=$(dirname $(readlink -f $0))
+
+source ${STATIC_ANALYSIS_SRC_DIR}/../envsetup.sh
+export OUT_DIR=$(readlink -m ${OUT_DIR:-${ROOT_DIR}/out/${BRANCH}})
+export DIST_DIR=$(readlink -m ${DIST_DIR:-${OUT_DIR}/dist})
+
+APPLIED_PROP_PATH=${DIST_DIR}/applied.prop
+BUILD_INFO_PATH=${DIST_DIR}/BUILD_INFO
+
+verify_file_exists() {
+ if [[ ! -f $1 ]]; then
+ echo "Missing $1"
+ exit 1
+ fi
+}
+
+# Parse flags.
+BUILD_ID=""
+FORWARDED_ARGS=()
+while [[ $# -gt 0 ]]; do
+ next="$1"
+ case ${next} in
+ --bid)
+ BUILD_ID="$2"
+ shift
+ ;;
+ --help)
+ echo "Checks whether given build is for presubmit. If so, extract git_sha1"
+ echo "from repo.prop and invoke checkpatch.sh."
+ echo ""
+ echo "Usage: $0"
+ echo " <--bid nnn> (The build ID. Required.)"
+ echo " <args for checkpatch.sh>"
+ exit 0
+ ;;
+ *)
+ FORWARDED_ARGS+=("$1")
+ ;;
+ esac
+ shift
+done
+
+if [[ -z $BUILD_ID ]]; then
+ echo "WARNING: No --bid supplied. Assuming not presubmit build. Exiting."
+ exit 0
+fi
+
+# Skip checkpatch for postsubmit (b/35390488).
+set +e
+echo "${BUILD_ID}" | grep -E "^P[0-9]+"
+if [[ $? -ne 0 ]]; then
+ echo "Did not identify a presubmit build. Exiting."
+ exit 0
+fi
+set -e
+
+# Pick the correct patch to test.
+verify_file_exists ${APPLIED_PROP_PATH}
+GIT_SHA1=$(grep -E "${KERNEL_DIR} [0-9a-f]+" "${APPLIED_PROP_PATH}" | awk '{print $2}')
+if [[ -z ${GIT_SHA1} ]]; then
+ # Since applied.prop only tracks user changes, ignore projects that are
+ # included in presubmit without any changed files.
+ echo "No changes to apply for ${KERNEL_DIR}."
+ exit 0
+fi
+
+${STATIC_ANALYSIS_SRC_DIR}/checkpatch.sh --git_sha1 ${GIT_SHA1} ${FORWARDED_ARGS[*]}
+
