.bazelrc - hw/matcha - Git at Google


            
            # Copyright lowRISC contributors.

            
            # Licensed under the Apache License, Version 2.0, see LICENSE for details.

            
            # SPDX-License-Identifier: Apache-2.0


            # https://docs.opentitan.org/doc/rm/c_cpp_coding_style/#cxx-version specifies

            
            build --action_env=BAZEL_CXXOPTS="-std=gnu++14"

            
            build --cxxopt='-std=gnu++14'

            
            build --conlyopt='-std=gnu11'


            # Never strip debugging information so that we can produce annotated

            
            # disassemblies when compilation mode is fastbuild.

            
            build --strip='never'


            # Bazel embedded enables the following feature which along with -std=c11 and

            
            # our codebase generates a lot of warnings by setting the -Wpedantic flag

            
            build --features=-all_warnings


            # Enable toolchain resolution with cc

            
            build --incompatible_enable_cc_toolchain_resolution


            # This lets us generate key/value pairs for the workspace which can be

            
            # accessed like we do in util/BUILD

            
            build --workspace_status_command=util/get_matcha_workspace_status.sh


            # This enables convenient building for opentitan targets with the argument

            
            # --config=riscv32

            
            build:riscv32 --platforms=@crt//platforms/riscv32:opentitan

            
            build:kelvin --platforms=//platforms/riscv32:kelvin

            
            build:sparrow --platforms=@matcha//platforms/riscv32:sparrow

            
            build:cheriot --platforms=@matcha//platforms/cheri/riscv32:cheriot

            
            build:cheriot-baremetal --platforms=@matcha//platforms/cheri/riscv32:cheriot-baremetal


            # Support airgapped build environment

            
            build:airgapped_env --//rules:build_env='airgapped'


            # Shared configuration for clang's source-based coverage instrumentation.

            
            # Bazel seems to support this only partially, thus we have to perform some

            
            # additional processing. See

            
            # https://github.com/bazelbuild/bazel/commit/21b5eb627d78c09d47c4de957e9e6b56a9ae6fad

            
            # and `util/coverage/coverage_off_target.py`.

            
            build:ot_coverage --repo_env='CC=clang'

            
            build:ot_coverage --repo_env='BAZEL_USE_LLVM_NATIVE_COVERAGE=1'

            
            build:ot_coverage --java_runtime_version='remotejdk_11'

            
            # Docs state that bazel will fail to create coverage information if tests have

            
            # been cached previously. See

            
            # https://bazel.build/configure/coverage?hl=en#remote-execution

            
            coverage:ot_coverage --nocache_test_results


            # Configuration for measuring off-target coverage. Enable with

            
            # `--config=ot_coverage_off_target`.

            
            build:ot_coverage_off_target --config='ot_coverage'

            
            build:ot_coverage_off_target --collect_code_coverage

            
            coverage:ot_coverage_off_target --repo_env='GCOV=/usr/bin/llvm-profdata'

            
            coverage:ot_coverage_off_target --repo_env='BAZEL_LLVM_COV=/usr/bin/llvm-cov'


            # Configuration for measuring on-target coverage. Enable with

            
            # `--config=ot_coverage_on_target`.

            
            build:ot_coverage_on_target --config='ot_coverage'

            
            build:ot_coverage_on_target --platforms="@crt//platforms/riscv32:opentitan"

            
            build:ot_coverage_on_target --define='measure_coverage_on_target=true'

            
            # Instrument selectively to limit size overhead when measuring on-target coverage.

            
            # Note: We have to disable optimizations until the corresponding item in #16761 is

            
            # resolved.

            
            build:ot_coverage_on_target --per_file_copt='//sw/device/silicon_creator[/:].*,//sw/device/lib/base:.*@-fprofile-instr-generate,-fcoverage-mapping,-O0'

            
            # Needed to be able to build host binaries while collecting coverage.

            
            coverage:ot_coverage_on_target --platforms=""


            # Configuration to override resource constrained test

            
            # scheduling. Enable with `--config=local_test_jobs_per_cpus`

            
            test:local_test_jobs_per_cpus --local_test_jobs=HOST_CPUS*0.22

            
            # Verilator is built for 4 cores, but requires a harness and additional overhead.

            
            # Empirically 72 cores can support 16 simultaneous tests, but not 17. Setting

            
            # this will ignore tags like "cpu:5"


            # AddressSanitizer (ASan) catches runtime out-of-bounds accesses to globals, the

            
            # stack, and (less importantly for OpenTitan) the heap. ASan instruments

            
            # programs at compile time and also requires a runtime library.

            
            #

            
            # ASan documentation: https://clang.llvm.org/docs/AddressSanitizer.html

            
            #

            
            # Enable ASan with --config=asan.

            
            build:asan --copt -fsanitize=address

            
            build:asan --copt -g

            
            build:asan --strip=never

            
            build:asan --copt -fno-omit-frame-pointer

            
            build:asan --linkopt -fsanitize=address


            # UndefinedBehaviorSanitizer (UBSan) catches C/C++ undefined behavior at

            
            # runtime, e.g. signed integer overflow. UBSan instruments programs at compile

            
            # time and also requires a runtime library.

            
            #

            
            # UBSan documentation:

            
            # https://clang.llvm.org/docs/UndefinedBehaviorSanitizer.html

            
            #

            
            # Enable UBSan with --config=ubsan.

            
            build:ubsan --copt -fsanitize=undefined

            
            build:ubsan --copt -g

            
            build:ubsan --strip=never

            
            build:ubsan --copt -fno-omit-frame-pointer

            
            build:ubsan --linkopt -fsanitize=undefined


            # Enable the rust nightly toolchain

            
            build --@rules_rust//rust/toolchain/channel=nightly


            # Enable the rust 'clippy' linter.

            
            #build --aspects=@rules_rust//rust:defs.bzl%rust_clippy_aspect

            
            #build --output_groups=+clippy_checks


            # Import site-specific configuration.

            
            try-import .bazelrc-site
	# Copyright lowRISC contributors.
	# Licensed under the Apache License, Version 2.0, see LICENSE for details.
	# SPDX-License-Identifier: Apache-2.0

	# https://docs.opentitan.org/doc/rm/c_cpp_coding_style/#cxx-version specifies
	build --action_env=BAZEL_CXXOPTS="-std=gnu++14"
	build --cxxopt='-std=gnu++14'
	build --conlyopt='-std=gnu11'

	# Never strip debugging information so that we can produce annotated
	# disassemblies when compilation mode is fastbuild.
	build --strip='never'

	# Bazel embedded enables the following feature which along with -std=c11 and
	# our codebase generates a lot of warnings by setting the -Wpedantic flag
	build --features=-all_warnings

	# Enable toolchain resolution with cc
	build --incompatible_enable_cc_toolchain_resolution

	# This lets us generate key/value pairs for the workspace which can be
	# accessed like we do in util/BUILD
	build --workspace_status_command=util/get_matcha_workspace_status.sh

	# This enables convenient building for opentitan targets with the argument
	# --config=riscv32
	build:riscv32 --platforms=@crt//platforms/riscv32:opentitan
	build:kelvin --platforms=//platforms/riscv32:kelvin
	build:sparrow --platforms=@matcha//platforms/riscv32:sparrow
	build:cheriot --platforms=@matcha//platforms/cheri/riscv32:cheriot
	build:cheriot-baremetal --platforms=@matcha//platforms/cheri/riscv32:cheriot-baremetal

	# Support airgapped build environment
	build:airgapped_env --//rules:build_env='airgapped'

	# Shared configuration for clang's source-based coverage instrumentation.
	# Bazel seems to support this only partially, thus we have to perform some
	# additional processing. See
	# https://github.com/bazelbuild/bazel/commit/21b5eb627d78c09d47c4de957e9e6b56a9ae6fad
	# and `util/coverage/coverage_off_target.py`.
	build:ot_coverage --repo_env='CC=clang'
	build:ot_coverage --repo_env='BAZEL_USE_LLVM_NATIVE_COVERAGE=1'
	build:ot_coverage --java_runtime_version='remotejdk_11'
	# Docs state that bazel will fail to create coverage information if tests have
	# been cached previously. See
	# https://bazel.build/configure/coverage?hl=en#remote-execution
	coverage:ot_coverage --nocache_test_results

	# Configuration for measuring off-target coverage. Enable with
	# `--config=ot_coverage_off_target`.
	build:ot_coverage_off_target --config='ot_coverage'
	build:ot_coverage_off_target --collect_code_coverage
	coverage:ot_coverage_off_target --repo_env='GCOV=/usr/bin/llvm-profdata'
	coverage:ot_coverage_off_target --repo_env='BAZEL_LLVM_COV=/usr/bin/llvm-cov'

	# Configuration for measuring on-target coverage. Enable with
	# `--config=ot_coverage_on_target`.
	build:ot_coverage_on_target --config='ot_coverage'
	build:ot_coverage_on_target --platforms="@crt//platforms/riscv32:opentitan"
	build:ot_coverage_on_target --define='measure_coverage_on_target=true'
	# Instrument selectively to limit size overhead when measuring on-target coverage.
	# Note: We have to disable optimizations until the corresponding item in #16761 is
	# resolved.
	build:ot_coverage_on_target --per_file_copt='//sw/device/silicon_creator[/:].,//sw/device/lib/base:.@-fprofile-instr-generate,-fcoverage-mapping,-O0'
	# Needed to be able to build host binaries while collecting coverage.
	coverage:ot_coverage_on_target --platforms=""

	# Configuration to override resource constrained test
	# scheduling. Enable with `--config=local_test_jobs_per_cpus`
	test:local_test_jobs_per_cpus --local_test_jobs=HOST_CPUS*0.22
	# Verilator is built for 4 cores, but requires a harness and additional overhead.
	# Empirically 72 cores can support 16 simultaneous tests, but not 17. Setting
	# this will ignore tags like "cpu:5"

	# AddressSanitizer (ASan) catches runtime out-of-bounds accesses to globals, the
	# stack, and (less importantly for OpenTitan) the heap. ASan instruments
	# programs at compile time and also requires a runtime library.
	#
	# ASan documentation: https://clang.llvm.org/docs/AddressSanitizer.html
	#
	# Enable ASan with --config=asan.
	build:asan --copt -fsanitize=address
	build:asan --copt -g
	build:asan --strip=never
	build:asan --copt -fno-omit-frame-pointer
	build:asan --linkopt -fsanitize=address

	# UndefinedBehaviorSanitizer (UBSan) catches C/C++ undefined behavior at
	# runtime, e.g. signed integer overflow. UBSan instruments programs at compile
	# time and also requires a runtime library.
	#
	# UBSan documentation:
	# https://clang.llvm.org/docs/UndefinedBehaviorSanitizer.html
	#
	# Enable UBSan with --config=ubsan.
	build:ubsan --copt -fsanitize=undefined
	build:ubsan --copt -g
	build:ubsan --strip=never
	build:ubsan --copt -fno-omit-frame-pointer
	build:ubsan --linkopt -fsanitize=undefined

	# Enable the rust nightly toolchain
	build --@rules_rust//rust/toolchain/channel=nightly

	# Enable the rust 'clippy' linter.
	#build --aspects=@rules_rust//rust:defs.bzl%rust_clippy_aspect
	#build --output_groups=+clippy_checks

	# Import site-specific configuration.
	try-import .bazelrc-site