refactoring fixes

driver/simx/Makefile

@@ -0,0 +1,32 @@
+CFLAGS += -std=c++11 -O3 -Wall -Wextra -pedantic -Wfatal-errors
+#CFLAGS += -std=c++11 -g -O0 -Wall -Wextra -pedantic -Wfatal-errors
+
+CFLAGS += -I../../include -I../../../simX/include -I../../../runtime
+
+CFLAGS += -fPIC
+
+CFLAGS += -DUSE_SIMX 
+
+LDFLAGS += -shared -pthread
+
+SRCS = vortex.cpp ../common/vx_utils.cpp ../../simX/args.cpp ../../simX/mem.cpp ../../simX/core.cpp ../../simX/instruction.cpp ../../simX/enc.cpp ../../simX/util.cpp
+
+RTL_TOP = ../../simX/cache_simX.v
+
+RTL_INCLUDE = -I../../hw/old_rtl -I../../hw/old_rtl/interfaces -I../../hw/old_rtl/cache -I../../hw/old_rtl/shared_memory
+
+THREADS ?= $(shell python3 -c 'import multiprocessing as mp; print(max(1, mp.cpu_count() // 2))')
+VL_FLAGS += --threads $(THREADS)
+
+VL_FLAGS += -Wno-UNOPTFLAT -Wno-WIDTH 
+
+PROJECT = libvortex.so
+
+all: $(PROJECT)
+
+$(PROJECT): $(SRCS) 
+	verilator --exe --cc $(RTL_TOP) $(RTL_INCLUDE) $(VL_FLAGS) $(SRCS) -CFLAGS '$(CFLAGS)' -LDFLAGS '$(LDFLAGS)' -o ../$(PROJECT)
+	make -j -C obj_dir -f Vcache_simX.mk
+
+clean:
+	rm -rf $(PROJECT) obj_dir