Fix riscv-dv makefile

Internal-tag: [#60812]
Signed-off-by: Ryszard Rozak <[email protected]>

tools/riscv-dv/Makefile

@@ -32,7 +32,6 @@ endif
 VERILATOR       = verilator
 VERILATOR_CFLAGS = -std=c++14
 VERILATOR_INC   = -I$(WORK_DIR) -I$(RV_ROOT)/testbench -I$(RV_ROOT)/testbench/axi4_mux
-VERILATOR_EXE   = $(RV_ROOT)/testbench/test_tb_top.cpp
 
 HDL_FILES = $(WORK_DIR)/common_defines.vh \
             $(WORK_DIR)/el2_pdef.vh \
@@ -50,6 +49,12 @@ TB_DPI_INCS := $(addprefix -I$(RV_ROOT)/testbench/,$(dir $(TB_DPI_SRCS)))
 # Add testbench include paths
 VERILATOR_CFLAGS += $(TB_DPI_INCS)
 
+TB_DPI_SRCS := $(addprefix $(RV_ROOT)/testbench/,$(TB_DPI_SRCS))
+TB_CPP_SRCS   = $(RV_ROOT)/testbench/test_tb_top.cpp $(TB_DPI_SRCS)
+
+VERILATOR_SKIP_WARNINGS = -Wno-IMPLICITSTATIC -Wno-TIMESCALEMOD -Wno-ASCRANGE \
+	-Wno-CASEINCOMPLETE -Wno-INITIALDLY -Wno-WIDTH -Wno-UNOPTFLAT
+
 # riscv-dv args
 RISCV_DV_ARGS = \
     --simulator $(RISCV_DV_SIM) \
@@ -85,7 +90,7 @@ $(WORK_DIR)/defines.h: | $(WORK_DIR)
 $(WORK_DIR)/verilator/Vtb_top.mk: $(WORK_DIR)/defines.h
 	$(VERILATOR) --cc -CFLAGS "$(VERILATOR_CFLAGS)" $(VERILATOR_INC) \
         $(HDL_FILES) -f $(RV_ROOT)/testbench/flist --top-module tb_top \
-		-exe $(VERILATOR_EXE) -Wno-WIDTH -Wno-UNOPTFLAT -Wno-IMPLICITSTATIC --autoflush \
+		-exe $(TB_CPP_SRCS) $(VERILATOR_SKIP_WARNINGS) --timing --autoflush \
 		$(VERILATOR_COVERAGE) \
 		-Mdir $(WORK_DIR)/verilator