From bf5cece51a20eb4773d196ec650fb3af574afa17 Mon Sep 17 00:00:00 2001
From: Alejandro Soto <alejandro@34project.org>
Date: Mon, 12 Feb 2024 16:18:03 -0600
Subject: mk: initial commit

This is a complete overhaul of the build system. This new
implementations upports many new features and is very extensible.
---
 mk/cov.mk | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 mk/cov.mk

(limited to 'mk/cov.mk')

diff --git a/mk/cov.mk b/mk/cov.mk
new file mode 100644
index 0000000..1281e4e
--- /dev/null
+++ b/mk/cov.mk
@@ -0,0 +1,30 @@
+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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