Merge remote-tracking branch 'origin/dev' into HEAD

tools/dromajo/dromajo.mk

@@ -0,0 +1,59 @@
+##############################################################
+# extra variables/targets ingested by the chipyard make system
+##############################################################
+
+DROMAJO_DIR = $(base_dir)/tools/dromajo/dromajo-src/src
+DROMAJO_LIB_NAME = dromajo_cosim
+DROMAJO_LIB = $(DROMAJO_DIR)/lib$(DROMAJO_LIB_NAME).a
+
+# Dromajo assumes using the default bootrom
+DROMAJO_ROM = $(base_dir)/bootrom/bootrom.rv64.img
+
+DTS_FILE = $(build_dir)/$(long_name).dts
+DROMAJO_DTB = $(build_dir)/$(long_name).dtb
+
+$(DTS_FILE): $(FIRRTL_FILE)
+
+$(DROMAJO_DTB): $(DTS_FILE)
+	dtc -I dts -O dtb -o $(DROMAJO_DTB) $(DTS_FILE)
+
+DROMAJO_SRCS = $(call lookup_srcs,$(DROMAJO_DIR),cc) $(call lookup_srcs,$(DROMAJO_DIR),h)
+
+$(DROMAJO_LIB): $(DROMAJO_SRCS)
+	$(MAKE) -C $(DROMAJO_DIR)
+
+# depending on where the simulation is done, use the auto-variable or the hardcoded defined one
+ifeq ($(BINARY),)
+DROMAJO_BIN = $(<)
+else
+DROMAJO_BIN = $(BINARY)
+endif
+
+DROMAJO_FLAGS = +drj_dtb=$(DROMAJO_DTB) +drj_rom=$(DROMAJO_ROM) +drj_bin=$(DROMAJO_BIN)
+
+DROMAJO_PARAMS_FILE    = $(build_dir)/$(long_name).dromajo_params.h
+DROMAJO_PARAMS_SYMLINK = $(build_dir)/dromajo_params.h
+
+$(DROMAJO_PARAMS_FILE): $(FIRRTL_FILE)
+
+$(DROMAJO_PARAMS_SYMLINK): $(DROMAJO_PARAMS_FILE)
+	rm -rf $(DROMAJO_PARAMS_SYMLINK)
+	ln -s $(DROMAJO_PARAMS_FILE) $(DROMAJO_PARAMS_SYMLINK)
+
+##################################################################
+# THE FOLLOWING MUST BE += operators
+##################################################################
+
+# simargs needed (i.e. like +drj_test=hello)
+ifdef ENABLE_DROMAJO
+EXTRA_SIM_FLAGS += $(DROMAJO_FLAGS)
+
+# CC flags needed for all simulations
+EXTRA_SIM_CC_FLAGS += -I$(DROMAJO_DIR)
+
+# sourced needed for simulation
+EXTRA_SIM_SOURCES += $(DROMAJO_LIB)
+
+# requirements needed for simulation
+EXTRA_SIM_REQS += $(DROMAJO_PARAMS_SYMLINK) $(DROMAJO_LIB) $(DROMAJO_DTB)
+endif