refine makefile

demo/helloworld/Makefile

@@ -6,8 +6,6 @@ GCC_PREFIX = /opt/riscv/bin/riscv64-unknown-elf
 TEST_CFLAGS = -g -O3 -funroll-all-loops
 ABI = -mabi=ilp32 -march=rv32imc
 
-# Allow tool override
-VERILATOR = verilator
 DEMODIR = ${PWD}
 BUILD_DIR = ${DEMODIR}/build
 RV_DESIGN = ${RV_ROOT}/design
@@ -25,10 +23,6 @@ LINK = $(DEMODIR)/link.ld
 OFILES = $(TEST).o
 OUTFILES = $(TEST).out
 
-SOCFILES = $(RV_SOC)/soc_top.sv $(RV_SOC)/ahb_sif.sv
-
-defines = $(BUILD_DIR)/common_defines.vh ${RV_DESIGN}/include/swerv_types.sv
-includes = -I${RV_DESIGN}/include -I${RV_DESIGN}/lib  -I${BUILD_DIR}
 
 # CFLAGS for verilator generated Makefiles. Without -std=c++11 it complains for `auto` variables
 CFLAGS += "-std=c++11"
@@ -42,19 +36,22 @@ all: clean verilator
 clean:
 	rm -rf build obj_dir
 
-${BUILD_DIR}/defines.h :
+swerv_define :
 	BUILD_PATH=${BUILD_DIR} PERLLIB=${RV_SOC} ${RV_SOC}/swerv.config -target=default -set iccm_enable
 
 ##################### Verilog Builds #####################################
 
-verilator-build: ${SOCFILES} ${BUILD_DIR}/defines.h test_soc_top.cpp
+defines = $(BUILD_DIR)/common_defines.vh ${RV_DESIGN}/include/swerv_types.sv
+includes = -I${RV_DESIGN}/include -I${BUILD_DIR} -I${RV_SOC}
+
+verilator-build: swerv_define
 	echo '`undef ASSERT_ON' >> ${BUILD_DIR}/common_defines.vh
-	$(VERILATOR) --cc -CFLAGS ${CFLAGS} $(defines) $(includes) \
+	verilator --cc -CFLAGS ${CFLAGS} \
+	              $(defines) \
+	              $(includes) \
 	              -Wno-UNOPTFLAT \
-	              -I${DEMODIR} \
+	              -f ${RV_SOC}/flist \
-	              -I${RV_SOC} \
+	              $(RV_SOC)/soc_top.sv \
-		            -f ${RV_SOC}/flist \
-	              ${SOCFILES} \
 	              --top-module soc_top -exe test_soc_top.cpp --autoflush $(VERILATOR_DEBUG)
 	cp ${DEMODIR}/test_soc_top.cpp obj_dir
 	$(MAKE) -j -C obj_dir/ -f Vsoc_top.mk $(VERILATOR_MAKE_FLAGS)
@@ -64,7 +61,7 @@ verilator-build: ${SOCFILES} ${BUILD_DIR}/defines.h test_soc_top.cpp
 verilator: program.hex verilator-build
 	cd build && ../obj_dir/Vsoc_top ${DEBUG_PLUS}
 
-##################### Test Build #####################################
+##################### Test hex Build #####################################
 
 # program.hex: $(OFILES) $(LINK)
 # 	@echo Building $(TEST)
@@ -73,7 +70,7 @@ verilator: program.hex verilator-build
 # 	$(GCC_PREFIX)-objdump -S  $(BUILD_DIR)/$(TEST).bin > $(BUILD_DIR)/$(TEST).dis
 # 	@echo Completed building $(TEST)
 
-# %.o : %.s ${BUILD_DIR}/defines.h
+# %.o : %.s swerv_define
 # 	$(GCC_PREFIX)-cpp -I${BUILD_DIR}  $<  > $(BUILD_DIR)/$*.cpp.s
 # 	$(GCC_PREFIX)-as $(ABI) $(BUILD_DIR)/$*.cpp.s -o $(BUILD_DIR)/$@
 
@@ -87,7 +84,7 @@ program.hex: $(OUTFILES)
 build: $(OUTFILES)
 	@echo Completed building $(TEST)
 
-%.out : %.c ${BUILD_DIR}/defines.h
+%.out : %.c swerv_define
 	$(LLVMINSTALL)/bin/clang --target=riscv32 -march=rv32gc $*.c -S -o $(BUILD_DIR)/$*.s -mno-relax
 	$(LLVMINSTALL)/bin/clang --target=riscv32 -march=rv32gc $*.c -c -o $(BUILD_DIR)/$*.o -mno-relax
 	$(LLVMINSTALL)/bin/ld.lld $(BUILD_DIR)/$*.o -Map=$(BUILD_DIR)/$(TEST).map -T$(LINK) -o $(BUILD_DIR)/$*.out

soc/flist

@@ -40,3 +40,5 @@ $RV_ROOT/design/dmi/rvjtag_tap.sv
 -v $RV_ROOT/design/lib/mem_lib.sv
 -v $RV_ROOT/design/lib/ahb_to_axi4.sv
 -v $RV_ROOT/design/lib/axi4_to_ahb.sv
+
+$RV_ROOT/soc/ahb_sif.sv

soc/soc_top.sv

@@ -77,8 +77,12 @@ module soc_top;
     logic        [1:0]          dec_tlu_perfcnt2;
     logic        [1:0]          dec_tlu_perfcnt3;
 
-
     logic                       jtag_tdo;
+    logic                       jtag_tck;
+    logic                       jtag_tms;
+    logic                       jtag_tdi;
+    logic                       jtag_trst_n;
+
     logic                       o_cpu_halt_ack;
     logic                       o_cpu_halt_status;
     logic                       o_cpu_run_ack;
@@ -712,10 +716,10 @@ swerv_wrapper rvtop (
     .trace_rv_i_interrupt_ip(trace_rv_i_interrupt_ip),
     .trace_rv_i_tval_ip     (trace_rv_i_tval_ip),
 
-    .jtag_tck               ( 1'b0  ),
+    .jtag_tck               ( jtag_tck ),
-    .jtag_tms               ( 1'b0  ),
+    .jtag_tms               ( jtag_tms ),
-    .jtag_tdi               ( 1'b0  ),
+    .jtag_tdi               ( jtag_tdi ),
-    .jtag_trst_n            ( 1'b0  ),
+    .jtag_trst_n            ( jtag_trst_n ),
     .jtag_tdo               ( jtag_tdo ),
 
     .mpc_debug_halt_ack     ( mpc_debug_halt_ack),