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targets += cov
cov_cores = $(call per_target,cov_cores)
define target/cov/prepare
enable_cov := 1
endef
define target/cov/setup
$$(call target_var,cov_cores) := \
$$(foreach dep,$$(dep_tree/$$(rule_top)), \
$$(if $$(filter test,$$(core_info/$$(dep)/targets)), \
$$(eval $$(call build_target_top,$$(dep),test)) \
$$(dep)))
endef
define target/cov/rules
.PHONY: $$(rule_top_path)/cov
$$(rule_top_path)/cov: $$(obj)/html
$$(obj)/html: $$(obj)/coverage.info | $$(obj)
@rm -rf $$@
$$(call run,GENHTML) $$(GENHTML) $$< --output-dir=$$@
$$(obj)/coverage.info: $$(foreach core,$$(cov_cores),$$(obj/test/$$(core))/results.xml) | $$(obj)
$$(call run,COVERAGE) $$(VERILATOR)_coverage -write-info $$@ \
$$(wildcard $$(foreach core,$$(cov_cores),$$(obj/test/$$(core))/coverage.dat))
$(call target_entrypoint,$(obj)/html)
endef
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