From 3ac78307acfb919271587c3638a20f644f524658 Mon Sep 17 00:00:00 2001
From: Alejandro Soto <alejandro@34project.org>
Date: Wed, 22 May 2024 15:01:02 -0600
Subject: mk: implement support for cc, objcopy

---
 mk/cc.mk      | 32 ++++++++++++++++++++++++++++++++
 mk/objcopy.mk | 11 +++++++++++
 mk/top.mk     |  3 +++
 3 files changed, 46 insertions(+)
 create mode 100644 mk/cc.mk
 create mode 100644 mk/objcopy.mk

diff --git a/mk/cc.mk b/mk/cc.mk
new file mode 100644
index 0000000..36e16b2
--- /dev/null
+++ b/mk/cc.mk
@@ -0,0 +1,32 @@
+cc_srcs = $(call require_core_paths,$(1),cc_files)
+cc_objs = $(call cc_srcs_to_objs,$(1),$(call cc_srcs,$(1)))
+cc_srcs_to_objs = $(addsuffix .o,$(addprefix $(obj)/cc/$(1)/,$(basename $(notdir $(2)))))
+
+define hooks/cc
+  define obj_rules
+    cc_binary := $$(call require_core_objs,$(1),ld_binary)
+
+    $$(cc_binary): | $$(obj)/cc/$(1)
+    $$(cc_binary): $$(call cc_objs,$(1)) $$(obj_deps)
+		$$(call run,LD,$$@) $$(core_info/$(1)/cross)gcc \
+			$$(core_info/$(1)/cc_flags) $$(core_info/$(1)/ld_flags) \
+			$$(call cc_objs,$(1)) -o $$@
+
+    $$(obj)/cc/$(1): $$(obj)
+		@mkdir -p $$@
+  endef
+
+  $$(eval $$(call add_obj_rules,$(1)))
+
+  $$(foreach src,$$(call cc_srcs,$(1)), \
+    $$(eval $$(call cc_unit_rule,$(1),$$(src),$$(call cc_srcs_to_objs,$(1),$$(src)))))
+endef
+
+define cc_unit_rule
+  define obj_rules
+    $(3): $(2) $$(obj_deps)
+		$$(call run,CC,$$<) $(core_info/$(1)/cross)gcc $(core_info/$(1)/cc_flags) -c $$< -o $$@
+  endef
+
+  $$(eval $$(call add_obj_rules,$(1)))
+endef
diff --git a/mk/objcopy.mk b/mk/objcopy.mk
new file mode 100644
index 0000000..8face7d
--- /dev/null
+++ b/mk/objcopy.mk
@@ -0,0 +1,11 @@
+objcopy_src = $(call require_core_objs,$(1),objcopy_src)
+objcopy_obj = $(call require_core_objs,$(1),objcopy_obj)
+
+define hooks/objcopy
+  define obj_rules
+    $$(call objcopy_obj,$(1)): $$(call objcopy_src,$(1)) $$(obj_deps)
+		$$(call run,OBJCOPY,$$@) $$(core_info/$(1)/cross)objcopy -O binary $$< $$@
+  endef
+
+  $$(eval $$(call add_obj_rules,$(1)))
+endef
diff --git a/mk/top.mk b/mk/top.mk
index c81d04d..1e31d3f 100644
--- a/mk/top.mk
+++ b/mk/top.mk
@@ -27,10 +27,13 @@ $(foreach flag,$(subst $(comma),$(space),$(enable)),$(eval override enable_$(fla
 $(foreach flag,$(subst $(comma),$(space),$(disable)),$(eval override enable_$(flag) :=))
 
 include mk/build.mk
+include mk/cc.mk
 include mk/cocotb.mk
 include mk/cores.mk
 include mk/cov.mk
+include mk/makehex.mk
 include mk/obj.mk
+include mk/objcopy.mk
 include mk/output.mk
 include mk/peakrdl.mk
 include mk/quartus.mk
-- 
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