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build/sim: add coverage parameter to enable code coverage

This commit is contained in:
Florent Kermarrec 2018-12-09 08:10:50 +01:00
parent 0c687bc29e
commit 92a6169d2a
2 changed files with 11 additions and 6 deletions
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4
litex/build/sim/core/Makefile
View File

@ -30,7 +30,9 @@ sim: mkdir $(OBJS_SIM)
$(if $(THREADS), --threads $(THREADS),) \ $(if $(THREADS), --threads $(THREADS),) \
-CFLAGS "$(CFLAGS) -I$(SRC_DIR)" \ -CFLAGS "$(CFLAGS) -I$(SRC_DIR)" \
-LDFLAGS "$(LDFLAGS)" \ -LDFLAGS "$(LDFLAGS)" \
-trace $(INC_DIR) --trace \
$(if $(COVERAGE), --coverage,) \
$(INC_DIR)
make -j -C $(OBJ_DIR) -f Vdut.mk Vdut make -j -C $(OBJ_DIR) -f Vdut.mk Vdut
.PHONY: modules .PHONY: modules

13
litex/build/sim/verilator.py
View File

@ -118,13 +118,16 @@ def _generate_sim_config(config):
tools.write_to_file("sim_config.js", content) tools.write_to_file("sim_config.js", content)
def _build_sim(platform, build_name, threads, verbose): def _build_sim(platform, build_name, threads, coverage, verbose):
makefile = os.path.join(core_directory, 'Makefile') makefile = os.path.join(core_directory, 'Makefile')
build_script_contents = """\ build_script_contents = """\
rm -rf obj_dir/ rm -rf obj_dir/
make -C . -f {} {} make -C . -f {} {} {}
mkdir -p modules && cp obj_dir/*.so modules mkdir -p modules && cp obj_dir/*.so modules
""".format(makefile, "THREADS={}".format(threads) if int(threads) > 1 else "") """.format(makefile,
"THREADS={}".format(threads) if int(threads) > 1 else "",
"COVERAGE=1" if coverage else "",
)
build_script_file = "build_" + build_name + ".sh" build_script_file = "build_" + build_name + ".sh"
tools.write_to_file(build_script_file, build_script_contents, force_unix=True) tools.write_to_file(build_script_file, build_script_contents, force_unix=True)
@ -161,7 +164,7 @@ def _run_sim(build_name, as_root=False):
class SimVerilatorToolchain: class SimVerilatorToolchain:
def build(self, platform, fragment, build_dir="build", build_name="dut", def build(self, platform, fragment, build_dir="build", build_name="dut",
toolchain_path=None, serial="console", build=True, run=True, threads=1, toolchain_path=None, serial="console", build=True, run=True, threads=1,
verbose=True, sim_config=None, trace=False): verbose=True, sim_config=None, trace=False, coverage=False):
os.makedirs(build_dir, exist_ok=True) os.makedirs(build_dir, exist_ok=True)
os.chdir(build_dir) os.chdir(build_dir)
@ -188,7 +191,7 @@ class SimVerilatorToolchain:
if sim_config: if sim_config:
_generate_sim_config(sim_config) _generate_sim_config(sim_config)
_build_sim(platform, build_name, threads, verbose) _build_sim(platform, build_name, threads, coverage, verbose)
if run: if run:
_run_sim(build_name, as_root=sim_config.has_module("ethernet")) _run_sim(build_name, as_root=sim_config.has_module("ethernet"))